gl_rmain.c

   1 /*
   2 Copyright (C) 1996-1997 Id Software, Inc.
   3
   4 This program is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU General Public License
   6 as published by the Free Software Foundation; either version 2
   7 of the License, or (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13 See the GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 */
  20 // r_main.c
  21
  22 #include "quakedef.h"
  23 #include "cl_dyntexture.h"
  24 #include "r_shadow.h"
  25 #include "polygon.h"
  26 #include "image.h"
  27 #include "ft2.h"
  28 #include "csprogs.h"
  29 #include "cl_video.h"
  30 #include "dpsoftrast.h"
  31
  32 #ifdef SUPPORTD3D
  33 #include <d3d9.h>
  34 extern LPDIRECT3DDEVICE9 vid_d3d9dev;
  35 #endif
  36
  37 mempool_t *r_main_mempool;
  38 rtexturepool_t *r_main_texturepool;
  39
  40 static int r_textureframe = 0; ///< used only by R_GetCurrentTexture
  41
  42 static qboolean r_loadnormalmap;
  43 static qboolean r_loadgloss;
  44 qboolean r_loadfog;
  45 static qboolean r_loaddds;
  46 static qboolean r_savedds;
  47
  48 //
  49 // screen size info
  50 //
  51 r_refdef_t r_refdef;
  52
  53 cvar_t r_motionblur = {CVAR_SAVE, "r_motionblur", "0", "screen motionblur - value represents intensity, somewhere around 0.5 recommended"};
  54 cvar_t r_damageblur = {CVAR_SAVE, "r_damageblur", "0", "screen motionblur based on damage - value represents intensity, somewhere around 0.5 recommended"};
  55 cvar_t r_motionblur_averaging = {CVAR_SAVE, "r_motionblur_averaging", "0.1", "sliding average reaction time for velocity (higher = slower adaption to change)"};
  56 cvar_t r_motionblur_randomize = {CVAR_SAVE, "r_motionblur_randomize", "0.1", "randomizing coefficient to workaround ghosting"};
  57 cvar_t r_motionblur_minblur = {CVAR_SAVE, "r_motionblur_minblur", "0.5", "factor of blur to apply at all times (always have this amount of blur no matter what the other factors are)"};
  58 cvar_t r_motionblur_maxblur = {CVAR_SAVE, "r_motionblur_maxblur", "0.9", "maxmimum amount of blur"};
  59 cvar_t r_motionblur_velocityfactor = {CVAR_SAVE, "r_motionblur_velocityfactor", "1", "factoring in of player velocity to the blur equation - the faster the player moves around the map, the more blur they get"};
  60 cvar_t r_motionblur_velocityfactor_minspeed = {CVAR_SAVE, "r_motionblur_velocityfactor_minspeed", "400", "lower value of velocity when it starts to factor into blur equation"};
  61 cvar_t r_motionblur_velocityfactor_maxspeed = {CVAR_SAVE, "r_motionblur_velocityfactor_maxspeed", "800", "upper value of velocity when it reaches the peak factor into blur equation"};
  62 cvar_t r_motionblur_mousefactor = {CVAR_SAVE, "r_motionblur_mousefactor", "2", "factoring in of mouse acceleration to the blur equation - the faster the player turns their mouse, the more blur they get"};
  63 cvar_t r_motionblur_mousefactor_minspeed = {CVAR_SAVE, "r_motionblur_mousefactor_minspeed", "0", "lower value of mouse acceleration when it starts to factor into blur equation"};
  64 cvar_t r_motionblur_mousefactor_maxspeed = {CVAR_SAVE, "r_motionblur_mousefactor_maxspeed", "50", "upper value of mouse acceleration when it reaches the peak factor into blur equation"};
  65
  66 // TODO do we want a r_equalize_entities cvar that works on all ents, or would that be a cheat?
  67 cvar_t r_equalize_entities_fullbright = {CVAR_SAVE, "r_equalize_entities_fullbright", "0", "render fullbright entities by equalizing their lightness, not by not rendering light"};
  68 cvar_t r_equalize_entities_minambient = {CVAR_SAVE, "r_equalize_entities_minambient", "0.5", "light equalizing: ensure at least this ambient/diffuse ratio"};
  69 cvar_t r_equalize_entities_by = {CVAR_SAVE, "r_equalize_entities_by", "0.7", "light equalizing: exponent of dynamics compression (0 = no compression, 1 = full compression)"};
  70 cvar_t r_equalize_entities_to = {CVAR_SAVE, "r_equalize_entities_to", "0.8", "light equalizing: target light level"};
  71
  72 cvar_t r_depthfirst = {CVAR_SAVE, "r_depthfirst", "0", "renders a depth-only version of the scene before normal rendering begins to eliminate overdraw, values: 0 = off, 1 = world depth, 2 = world and model depth"};
  73 cvar_t r_useinfinitefarclip = {CVAR_SAVE, "r_useinfinitefarclip", "1", "enables use of a special kind of projection matrix that has an extremely large farclip"};
  74 cvar_t r_farclip_base = {0, "r_farclip_base", "65536", "farclip (furthest visible distance) for rendering when r_useinfinitefarclip is 0"};
  75 cvar_t r_farclip_world = {0, "r_farclip_world", "2", "adds map size to farclip multiplied by this value"};
  76 cvar_t r_nearclip = {0, "r_nearclip", "1", "distance from camera of nearclip plane" };
  77 cvar_t r_deformvertexes = {0, "r_deformvertexes", "1", "allows use of deformvertexes in shader files (can be turned off to check performance impact)"};
  78 cvar_t r_transparent = {0, "r_transparent", "1", "allows use of transparent surfaces (can be turned off to check performance impact)"};
  79 cvar_t r_transparent_alphatocoverage = {0, "r_transparent_alphatocoverage", "1", "enables GL_ALPHA_TO_COVERAGE antialiasing technique on alphablend and alphatest surfaces when using vid_samples 2 or higher"};
  80 cvar_t r_showoverdraw = {0, "r_showoverdraw", "0", "shows overlapping geometry"};
  81 cvar_t r_showbboxes = {0, "r_showbboxes", "0", "shows bounding boxes of server entities, value controls opacity scaling (1 = 10%,  10 = 100%)"};
  82 cvar_t r_showsurfaces = {0, "r_showsurfaces", "0", "1 shows surfaces as different colors, or a value of 2 shows triangle draw order (for analyzing whether meshes are optimized for vertex cache)"};
  83 cvar_t r_showtris = {0, "r_showtris", "0", "shows triangle outlines, value controls brightness (can be above 1)"};
  84 cvar_t r_shownormals = {0, "r_shownormals", "0", "shows per-vertex surface normals and tangent vectors for bumpmapped lighting"};
  85 cvar_t r_showlighting = {0, "r_showlighting", "0", "shows areas lit by lights, useful for finding out why some areas of a map render slowly (bright orange = lots of passes = slow), a value of 2 disables depth testing which can be interesting but not very useful"};
  86 cvar_t r_showshadowvolumes = {0, "r_showshadowvolumes", "0", "shows areas shadowed by lights, useful for finding out why some areas of a map render slowly (bright blue = lots of passes = slow), a value of 2 disables depth testing which can be interesting but not very useful"};
  87 cvar_t r_showcollisionbrushes = {0, "r_showcollisionbrushes", "0", "draws collision brushes in quake3 maps (mode 1), mode 2 disables rendering of world (trippy!)"};
  88 cvar_t r_showcollisionbrushes_polygonfactor = {0, "r_showcollisionbrushes_polygonfactor", "-1", "expands outward the brush polygons a little bit, used to make collision brushes appear infront of walls"};
  89 cvar_t r_showcollisionbrushes_polygonoffset = {0, "r_showcollisionbrushes_polygonoffset", "0", "nudges brush polygon depth in hardware depth units, used to make collision brushes appear infront of walls"};
  90 cvar_t r_showdisabledepthtest = {0, "r_showdisabledepthtest", "0", "disables depth testing on r_show* cvars, allowing you to see what hidden geometry the graphics card is processing"};
  91 cvar_t r_drawportals = {0, "r_drawportals", "0", "shows portals (separating polygons) in world interior in quake1 maps"};
  92 cvar_t r_drawentities = {0, "r_drawentities","1", "draw entities (doors, players, projectiles, etc)"};
  93 cvar_t r_draw2d = {0, "r_draw2d","1", "draw 2D stuff (dangerous to turn off)"};
  94 cvar_t r_drawworld = {0, "r_drawworld","1", "draw world (most static stuff)"};
  95 cvar_t r_drawviewmodel = {0, "r_drawviewmodel","1", "draw your weapon model"};
  96 cvar_t r_drawexteriormodel = {0, "r_drawexteriormodel","1", "draw your player model (e.g. in chase cam, reflections)"};
  97 cvar_t r_cullentities_trace = {0, "r_cullentities_trace", "1", "probabistically cull invisible entities"};
  98 cvar_t r_cullentities_trace_samples = {0, "r_cullentities_trace_samples", "2", "number of samples to test for entity culling (in addition to center sample)"};
  99 cvar_t r_cullentities_trace_tempentitysamples = {0, "r_cullentities_trace_tempentitysamples", "-1", "number of samples to test for entity culling of temp entities (including all CSQC entities), -1 disables trace culling on these entities to prevent flicker (pvs still applies)"};
 100 cvar_t r_cullentities_trace_enlarge = {0, "r_cullentities_trace_enlarge", "0", "box enlargement for entity culling"};
 101 cvar_t r_cullentities_trace_delay = {0, "r_cullentities_trace_delay", "1", "number of seconds until the entity gets actually culled"};
 102 cvar_t r_sortentities = {0, "r_sortentities", "0", "sort entities before drawing (might be faster)"};
 103 cvar_t r_speeds = {0, "r_speeds","0", "displays rendering statistics and per-subsystem timings"};
 104 cvar_t r_fullbright = {0, "r_fullbright","0", "makes map very bright and renders faster"};
 105
 106 cvar_t r_fakelight = {0, "r_fakelight","0", "render 'fake' lighting instead of real lightmaps"};
 107 cvar_t r_fakelight_intensity = {0, "r_fakelight_intensity","0.75", "fakelight intensity modifier"};
 108 #define FAKELIGHT_ENABLED (r_fakelight.integer >= 2 || (r_fakelight.integer && r_refdef.scene.worldmodel && !r_refdef.scene.worldmodel->lit))
 109
 110 cvar_t r_wateralpha = {CVAR_SAVE, "r_wateralpha","1", "opacity of water polygons"};
 111 cvar_t r_dynamic = {CVAR_SAVE, "r_dynamic","1", "enables dynamic lights (rocket glow and such)"};
 112 cvar_t r_fullbrights = {CVAR_SAVE, "r_fullbrights", "1", "enables glowing pixels in quake textures (changes need r_restart to take effect)"};
 113 cvar_t r_shadows = {CVAR_SAVE, "r_shadows", "0", "casts fake stencil shadows from models onto the world (rtlights are unaffected by this); when set to 2, always cast the shadows in the direction set by r_shadows_throwdirection, otherwise use the model lighting."};
 114 cvar_t r_shadows_darken = {CVAR_SAVE, "r_shadows_darken", "0.5", "how much shadowed areas will be darkened"};
 115 cvar_t r_shadows_throwdistance = {CVAR_SAVE, "r_shadows_throwdistance", "500", "how far to cast shadows from models"};
 116 cvar_t r_shadows_throwdirection = {CVAR_SAVE, "r_shadows_throwdirection", "0 0 -1", "override throwing direction for r_shadows 2"};
 117 cvar_t r_shadows_drawafterrtlighting = {CVAR_SAVE, "r_shadows_drawafterrtlighting", "0", "draw fake shadows AFTER realtime lightning is drawn. May be useful for simulating fast sunlight on large outdoor maps with only one noshadow rtlight. The price is less realistic appearance of dynamic light shadows."};
 118 cvar_t r_shadows_castfrombmodels = {CVAR_SAVE, "r_shadows_castfrombmodels", "0", "do cast shadows from bmodels"};
 119 cvar_t r_shadows_focus = {CVAR_SAVE, "r_shadows_focus", "0 0 0", "offset the shadowed area focus"};
 120 cvar_t r_shadows_shadowmapscale = {CVAR_SAVE, "r_shadows_shadowmapscale", "1", "increases shadowmap quality (multiply global shadowmap precision) for fake shadows. Needs shadowmapping ON."};
 121 cvar_t r_q1bsp_skymasking = {0, "r_q1bsp_skymasking", "1", "allows sky polygons in quake1 maps to obscure other geometry"};
 122 cvar_t r_polygonoffset_submodel_factor = {0, "r_polygonoffset_submodel_factor", "0", "biases depth values of world submodels such as doors, to prevent z-fighting artifacts in Quake maps"};
 123 cvar_t r_polygonoffset_submodel_offset = {0, "r_polygonoffset_submodel_offset", "14", "biases depth values of world submodels such as doors, to prevent z-fighting artifacts in Quake maps"};
 124 cvar_t r_polygonoffset_decals_factor = {0, "r_polygonoffset_decals_factor", "0", "biases depth values of decals to prevent z-fighting artifacts"};
 125 cvar_t r_polygonoffset_decals_offset = {0, "r_polygonoffset_decals_offset", "-14", "biases depth values of decals to prevent z-fighting artifacts"};
 126 cvar_t r_fog_exp2 = {0, "r_fog_exp2", "0", "uses GL_EXP2 fog (as in Nehahra) rather than realistic GL_EXP fog"};
 127 cvar_t r_fog_clear = {0, "r_fog_clear", "1", "clears renderbuffer with fog color before render starts"};
 128 cvar_t r_drawfog = {CVAR_SAVE, "r_drawfog", "1", "allows one to disable fog rendering"};
 129 cvar_t r_transparentdepthmasking = {CVAR_SAVE, "r_transparentdepthmasking", "0", "enables depth writes on transparent meshes whose materially is normally opaque, this prevents seeing the inside of a transparent mesh"};
 130 cvar_t r_transparent_sortmindist = {CVAR_SAVE, "r_transparent_sortmindist", "0", "lower distance limit for transparent sorting"};
 131 cvar_t r_transparent_sortmaxdist = {CVAR_SAVE, "r_transparent_sortmaxdist", "32768", "upper distance limit for transparent sorting"};
 132 cvar_t r_transparent_sortarraysize = {CVAR_SAVE, "r_transparent_sortarraysize", "4096", "number of distance-sorting layers"};
 133
 134 cvar_t gl_fogenable = {0, "gl_fogenable", "0", "nehahra fog enable (for Nehahra compatibility only)"};
 135 cvar_t gl_fogdensity = {0, "gl_fogdensity", "0.25", "nehahra fog density (recommend values below 0.1) (for Nehahra compatibility only)"};
 136 cvar_t gl_fogred = {0, "gl_fogred","0.3", "nehahra fog color red value (for Nehahra compatibility only)"};
 137 cvar_t gl_foggreen = {0, "gl_foggreen","0.3", "nehahra fog color green value (for Nehahra compatibility only)"};
 138 cvar_t gl_fogblue = {0, "gl_fogblue","0.3", "nehahra fog color blue value (for Nehahra compatibility only)"};
 139 cvar_t gl_fogstart = {0, "gl_fogstart", "0", "nehahra fog start distance (for Nehahra compatibility only)"};
 140 cvar_t gl_fogend = {0, "gl_fogend","0", "nehahra fog end distance (for Nehahra compatibility only)"};
 141 cvar_t gl_skyclip = {0, "gl_skyclip", "4608", "nehahra farclip distance - the real fog end (for Nehahra compatibility only)"};
 142
 143 cvar_t r_texture_dds_load = {CVAR_SAVE, "r_texture_dds_load", "0", "load compressed dds/filename.dds texture instead of filename.tga, if the file exists (requires driver support)"};
 144 cvar_t r_texture_dds_save = {CVAR_SAVE, "r_texture_dds_save", "0", "save compressed dds/filename.dds texture when filename.tga is loaded, so that it can be loaded instead next time"};
 145
 146 cvar_t r_textureunits = {0, "r_textureunits", "32", "number of texture units to use in GL 1.1 and GL 1.3 rendering paths"};
 147 static cvar_t gl_combine = {CVAR_READONLY, "gl_combine", "1", "indicates whether the OpenGL 1.3 rendering path is active"};
 148 static cvar_t r_glsl = {CVAR_READONLY, "r_glsl", "1", "indicates whether the OpenGL 2.0 rendering path is active"};
 149
 150 cvar_t r_viewfbo = {CVAR_SAVE, "r_viewfbo", "0", "enables use of an 8bit (1) or 16bit (2) or 32bit (3) per component float framebuffer render, which may be at a different resolution than the video mode"};
 151 cvar_t r_viewscale = {CVAR_SAVE, "r_viewscale", "1", "scaling factor for resolution of the fbo rendering method, must be > 0, can be above 1 for a costly antialiasing behavior, typical values are 0.5 for 1/4th as many pixels rendered, or 1 for normal rendering"};
 152 cvar_t r_viewscale_fpsscaling = {CVAR_SAVE, "r_viewscale_fpsscaling", "0", "change resolution based on framerate"};
 153 cvar_t r_viewscale_fpsscaling_min = {CVAR_SAVE, "r_viewscale_fpsscaling_min", "0.0625", "worst acceptable quality"};
 154 cvar_t r_viewscale_fpsscaling_multiply = {CVAR_SAVE, "r_viewscale_fpsscaling_multiply", "5", "adjust quality up or down by the frametime difference from 1.0/target, multiplied by this factor"};
 155 cvar_t r_viewscale_fpsscaling_stepsize = {CVAR_SAVE, "r_viewscale_fpsscaling_stepsize", "0.01", "smallest adjustment to hit the target framerate (this value prevents minute oscillations)"};
 156 cvar_t r_viewscale_fpsscaling_stepmax = {CVAR_SAVE, "r_viewscale_fpsscaling_stepmax", "1.00", "largest adjustment to hit the target framerate (this value prevents wild overshooting of the estimate)"};
 157 cvar_t r_viewscale_fpsscaling_target = {CVAR_SAVE, "r_viewscale_fpsscaling_target", "70", "desired framerate"};
 158
 159 cvar_t r_glsl_deluxemapping = {CVAR_SAVE, "r_glsl_deluxemapping", "1", "use per pixel lighting on deluxemap-compiled q3bsp maps (or a value of 2 forces deluxemap shading even without deluxemaps)"};
 160 cvar_t r_glsl_offsetmapping = {CVAR_SAVE, "r_glsl_offsetmapping", "0", "offset mapping effect (also known as parallax mapping or virtual displacement mapping)"};
 161 cvar_t r_glsl_offsetmapping_steps = {CVAR_SAVE, "r_glsl_offsetmapping_steps", "2", "offset mapping steps (note: too high values may be not supported by your GPU)"};
 162 cvar_t r_glsl_offsetmapping_reliefmapping = {CVAR_SAVE, "r_glsl_offsetmapping_reliefmapping", "0", "relief mapping effect (higher quality)"};
 163 cvar_t r_glsl_offsetmapping_reliefmapping_steps = {CVAR_SAVE, "r_glsl_offsetmapping_reliefmapping_steps", "10", "relief mapping steps (note: too high values may be not supported by your GPU)"};
 164 cvar_t r_glsl_offsetmapping_reliefmapping_refinesteps = {CVAR_SAVE, "r_glsl_offsetmapping_reliefmapping_refinesteps", "5", "relief mapping refine steps (these are a binary search executed as the last step as given by r_glsl_offsetmapping_reliefmapping_steps)"};
 165 cvar_t r_glsl_offsetmapping_scale = {CVAR_SAVE, "r_glsl_offsetmapping_scale", "0.04", "how deep the offset mapping effect is"};
 166 cvar_t r_glsl_offsetmapping_lod = {CVAR_SAVE, "r_glsl_offsetmapping_lod", "0", "apply distance-based level-of-detail correction to number of offsetmappig steps, effectively making it render faster on large open-area maps"};
 167 cvar_t r_glsl_offsetmapping_lod_distance = {CVAR_SAVE, "r_glsl_offsetmapping_lod_distance", "32", "first LOD level distance, second level (-50% steps) is 2x of this, third (33%) - 3x etc."};
 168 cvar_t r_glsl_postprocess = {CVAR_SAVE, "r_glsl_postprocess", "0", "use a GLSL postprocessing shader"};
 169 cvar_t r_glsl_postprocess_uservec1 = {CVAR_SAVE, "r_glsl_postprocess_uservec1", "0 0 0 0", "a 4-component vector to pass as uservec1 to the postprocessing shader (only useful if default.glsl has been customized)"};
 170 cvar_t r_glsl_postprocess_uservec2 = {CVAR_SAVE, "r_glsl_postprocess_uservec2", "0 0 0 0", "a 4-component vector to pass as uservec2 to the postprocessing shader (only useful if default.glsl has been customized)"};
 171 cvar_t r_glsl_postprocess_uservec3 = {CVAR_SAVE, "r_glsl_postprocess_uservec3", "0 0 0 0", "a 4-component vector to pass as uservec3 to the postprocessing shader (only useful if default.glsl has been customized)"};
 172 cvar_t r_glsl_postprocess_uservec4 = {CVAR_SAVE, "r_glsl_postprocess_uservec4", "0 0 0 0", "a 4-component vector to pass as uservec4 to the postprocessing shader (only useful if default.glsl has been customized)"};
 173 cvar_t r_glsl_postprocess_uservec1_enable = {CVAR_SAVE, "r_glsl_postprocess_uservec1_enable", "1", "enables postprocessing uservec1 usage, creates USERVEC1 define (only useful if default.glsl has been customized)"};
 174 cvar_t r_glsl_postprocess_uservec2_enable = {CVAR_SAVE, "r_glsl_postprocess_uservec2_enable", "1", "enables postprocessing uservec2 usage, creates USERVEC1 define (only useful if default.glsl has been customized)"};
 175 cvar_t r_glsl_postprocess_uservec3_enable = {CVAR_SAVE, "r_glsl_postprocess_uservec3_enable", "1", "enables postprocessing uservec3 usage, creates USERVEC1 define (only useful if default.glsl has been customized)"};
 176 cvar_t r_glsl_postprocess_uservec4_enable = {CVAR_SAVE, "r_glsl_postprocess_uservec4_enable", "1", "enables postprocessing uservec4 usage, creates USERVEC1 define (only useful if default.glsl has been customized)"};
 177
 178 cvar_t r_water = {CVAR_SAVE, "r_water", "0", "whether to use reflections and refraction on water surfaces (note: r_wateralpha must be set below 1)"};
 179 cvar_t r_water_clippingplanebias = {CVAR_SAVE, "r_water_clippingplanebias", "1", "a rather technical setting which avoids black pixels around water edges"};
 180 cvar_t r_water_resolutionmultiplier = {CVAR_SAVE, "r_water_resolutionmultiplier", "0.5", "multiplier for screen resolution when rendering refracted/reflected scenes, 1 is full quality, lower values are faster"};
 181 cvar_t r_water_refractdistort = {CVAR_SAVE, "r_water_refractdistort", "0.01", "how much water refractions shimmer"};
 182 cvar_t r_water_reflectdistort = {CVAR_SAVE, "r_water_reflectdistort", "0.01", "how much water reflections shimmer"};
 183 cvar_t r_water_scissormode = {0, "r_water_scissormode", "3", "scissor (1) or cull (2) or both (3) water renders"};
 184 cvar_t r_water_lowquality = {0, "r_water_lowquality", "0", "special option to accelerate water rendering, 1 disables shadows and particles, 2 disables all dynamic lights"};
 185 cvar_t r_water_hideplayer = {CVAR_SAVE, "r_water_hideplayer", "0", "if set to 1 then player will be hidden in refraction views, if set to 2 then player will also be hidden in reflection views, player is always visible in camera views"};
 186 cvar_t r_water_fbo = {CVAR_SAVE, "r_water_fbo", "1", "enables use of render to texture for water effects, otherwise copy to texture is used (slower)"};
 187
 188 cvar_t r_lerpsprites = {CVAR_SAVE, "r_lerpsprites", "0", "enables animation smoothing on sprites"};
 189 cvar_t r_lerpmodels = {CVAR_SAVE, "r_lerpmodels", "1", "enables animation smoothing on models"};
 190 cvar_t r_lerplightstyles = {CVAR_SAVE, "r_lerplightstyles", "0", "enable animation smoothing on flickering lights"};
 191 cvar_t r_waterscroll = {CVAR_SAVE, "r_waterscroll", "1", "makes water scroll around, value controls how much"};
 192
 193 cvar_t r_bloom = {CVAR_SAVE, "r_bloom", "0", "enables bloom effect (makes bright pixels affect neighboring pixels)"};
 194 cvar_t r_bloom_colorscale = {CVAR_SAVE, "r_bloom_colorscale", "1", "how bright the glow is"};
 195 cvar_t r_bloom_brighten = {CVAR_SAVE, "r_bloom_brighten", "2", "how bright the glow is, after subtract/power"};
 196 cvar_t r_bloom_blur = {CVAR_SAVE, "r_bloom_blur", "4", "how large the glow is"};
 197 cvar_t r_bloom_resolution = {CVAR_SAVE, "r_bloom_resolution", "320", "what resolution to perform the bloom effect at (independent of screen resolution)"};
 198 cvar_t r_bloom_colorexponent = {CVAR_SAVE, "r_bloom_colorexponent", "1", "how exaggerated the glow is"};
 199 cvar_t r_bloom_colorsubtract = {CVAR_SAVE, "r_bloom_colorsubtract", "0.125", "reduces bloom colors by a certain amount"};
 200
 201 cvar_t r_hdr_scenebrightness = {CVAR_SAVE, "r_hdr_scenebrightness", "1", "global rendering brightness"};
 202 cvar_t r_hdr_glowintensity = {CVAR_SAVE, "r_hdr_glowintensity", "1", "how bright light emitting textures should appear"};
 203 cvar_t r_hdr_irisadaptation = {CVAR_SAVE, "r_hdr_irisadaptation", "0", "adjust scene brightness according to light intensity at player location"};
 204 cvar_t r_hdr_irisadaptation_multiplier = {CVAR_SAVE, "r_hdr_irisadaptation_multiplier", "2", "brightness at which value will be 1.0"};
 205 cvar_t r_hdr_irisadaptation_minvalue = {CVAR_SAVE, "r_hdr_irisadaptation_minvalue", "0.5", "minimum value that can result from multiplier / brightness"};
 206 cvar_t r_hdr_irisadaptation_maxvalue = {CVAR_SAVE, "r_hdr_irisadaptation_maxvalue", "4", "maximum value that can result from multiplier / brightness"};
 207 cvar_t r_hdr_irisadaptation_value = {0, "r_hdr_irisadaptation_value", "1", "current value as scenebrightness multiplier, changes continuously when irisadaptation is active"};
 208 cvar_t r_hdr_irisadaptation_fade_up = {CVAR_SAVE, "r_hdr_irisadaptation_fade_up", "0.1", "fade rate at which value adjusts to darkness"};
 209 cvar_t r_hdr_irisadaptation_fade_down = {CVAR_SAVE, "r_hdr_irisadaptation_fade_down", "0.5", "fade rate at which value adjusts to brightness"};
 210 cvar_t r_hdr_irisadaptation_radius = {CVAR_SAVE, "r_hdr_irisadaptation_radius", "15", "lighting within this many units of the eye is averaged"};
 211
 212 cvar_t r_smoothnormals_areaweighting = {0, "r_smoothnormals_areaweighting", "1", "uses significantly faster (and supposedly higher quality) area-weighted vertex normals and tangent vectors rather than summing normalized triangle normals and tangents"};
 213
 214 cvar_t developer_texturelogging = {0, "developer_texturelogging", "0", "produces a textures.log file containing names of skins and map textures the engine tried to load"};
 215
 216 cvar_t gl_lightmaps = {0, "gl_lightmaps", "0", "draws only lightmaps, no texture (for level designers)"};
 217
 218 cvar_t r_test = {0, "r_test", "0", "internal development use only, leave it alone (usually does nothing anyway)"};
 219
 220 cvar_t r_glsl_saturation = {CVAR_SAVE, "r_glsl_saturation", "1", "saturation multiplier (only working in glsl!)"};
 221 cvar_t r_glsl_saturation_redcompensate = {CVAR_SAVE, "r_glsl_saturation_redcompensate", "0", "a 'vampire sight' addition to desaturation effect, does compensation for red color, r_glsl_restart is required"};
 222
 223 cvar_t r_glsl_vertextextureblend_usebothalphas = {CVAR_SAVE, "r_glsl_vertextextureblend_usebothalphas", "0", "use both alpha layers on vertex blended surfaces, each alpha layer sets amount of 'blend leak' on another layer."};
 224
 225 cvar_t r_framedatasize = {CVAR_SAVE, "r_framedatasize", "0.5", "size of renderer data cache used during one frame (for skeletal animation caching, light processing, etc)"};
 226
 227 extern cvar_t v_glslgamma;
 228 extern cvar_t v_glslgamma_2d;
 229
 230 extern qboolean v_flipped_state;
 231
 232 r_framebufferstate_t r_fb;
 233
 234 /// shadow volume bsp struct with automatically growing nodes buffer
 235 svbsp_t r_svbsp;
 236
 237 rtexture_t *r_texture_blanknormalmap;
 238 rtexture_t *r_texture_white;
 239 rtexture_t *r_texture_grey128;
 240 rtexture_t *r_texture_black;
 241 rtexture_t *r_texture_notexture;
 242 rtexture_t *r_texture_whitecube;
 243 rtexture_t *r_texture_normalizationcube;
 244 rtexture_t *r_texture_fogattenuation;
 245 rtexture_t *r_texture_fogheighttexture;
 246 rtexture_t *r_texture_gammaramps;
 247 unsigned int r_texture_gammaramps_serial;
 248 //rtexture_t *r_texture_fogintensity;
 249 rtexture_t *r_texture_reflectcube;
 250
 251 // TODO: hash lookups?
 252 typedef struct cubemapinfo_s
 253 {
 254         char basename[64];
 255         rtexture_t *texture;
 256 }
 257 cubemapinfo_t;
 258
 259 int r_texture_numcubemaps;
 260 cubemapinfo_t *r_texture_cubemaps[MAX_CUBEMAPS];
 261
 262 unsigned int r_queries[MAX_OCCLUSION_QUERIES];
 263 unsigned int r_numqueries;
 264 unsigned int r_maxqueries;
 265
 266 typedef struct r_qwskincache_s
 267 {
 268         char name[MAX_QPATH];
 269         skinframe_t *skinframe;
 270 }
 271 r_qwskincache_t;
 272
 273 static r_qwskincache_t *r_qwskincache;
 274 static int r_qwskincache_size;
 275
 276 /// vertex coordinates for a quad that covers the screen exactly
 277 extern const float r_screenvertex3f[12];
 278 extern const float r_d3dscreenvertex3f[12];
 279 const float r_screenvertex3f[12] =
 280 {
 281         0, 0, 0,
 282         1, 0, 0,
 283         1, 1, 0,
 284         0, 1, 0
 285 };
 286 const float r_d3dscreenvertex3f[12] =
 287 {
 288         0, 1, 0,
 289         1, 1, 0,
 290         1, 0, 0,
 291         0, 0, 0
 292 };
 293
 294 void R_ModulateColors(float *in, float *out, int verts, float r, float g, float b)
 295 {
 296         int i;
 297         for (i = 0;i < verts;i++)
 298         {
 299                 out[0] = in[0] * r;
 300                 out[1] = in[1] * g;
 301                 out[2] = in[2] * b;
 302                 out[3] = in[3];
 303                 in += 4;
 304                 out += 4;
 305         }
 306 }
 307
 308 void R_FillColors(float *out, int verts, float r, float g, float b, float a)
 309 {
 310         int i;
 311         for (i = 0;i < verts;i++)
 312         {
 313                 out[0] = r;
 314                 out[1] = g;
 315                 out[2] = b;
 316                 out[3] = a;
 317                 out += 4;
 318         }
 319 }
 320
 321 // FIXME: move this to client?
 322 void FOG_clear(void)
 323 {
 324         if (gamemode == GAME_NEHAHRA)
 325         {
 326                 Cvar_Set("gl_fogenable", "0");
 327                 Cvar_Set("gl_fogdensity", "0.2");
 328                 Cvar_Set("gl_fogred", "0.3");
 329                 Cvar_Set("gl_foggreen", "0.3");
 330                 Cvar_Set("gl_fogblue", "0.3");
 331         }
 332         r_refdef.fog_density = 0;
 333         r_refdef.fog_red = 0;
 334         r_refdef.fog_green = 0;
 335         r_refdef.fog_blue = 0;
 336         r_refdef.fog_alpha = 1;
 337         r_refdef.fog_start = 0;
 338         r_refdef.fog_end = 16384;
 339         r_refdef.fog_height = 1<<30;
 340         r_refdef.fog_fadedepth = 128;
 341         memset(r_refdef.fog_height_texturename, 0, sizeof(r_refdef.fog_height_texturename));
 342 }
 343
 344 static void R_BuildBlankTextures(void)
 345 {
 346         unsigned char data[4];
 347         data[2] = 128; // normal X
 348         data[1] = 128; // normal Y
 349         data[0] = 255; // normal Z
 350         data[3] = 255; // height
 351         r_texture_blanknormalmap = R_LoadTexture2D(r_main_texturepool, "blankbump", 1, 1, data, TEXTYPE_BGRA, TEXF_PERSISTENT, -1, NULL);
 352         data[0] = 255;
 353         data[1] = 255;
 354         data[2] = 255;
 355         data[3] = 255;
 356         r_texture_white = R_LoadTexture2D(r_main_texturepool, "blankwhite", 1, 1, data, TEXTYPE_BGRA, TEXF_PERSISTENT, -1, NULL);
 357         data[0] = 128;
 358         data[1] = 128;
 359         data[2] = 128;
 360         data[3] = 255;
 361         r_texture_grey128 = R_LoadTexture2D(r_main_texturepool, "blankgrey128", 1, 1, data, TEXTYPE_BGRA, TEXF_PERSISTENT, -1, NULL);
 362         data[0] = 0;
 363         data[1] = 0;
 364         data[2] = 0;
 365         data[3] = 255;
 366         r_texture_black = R_LoadTexture2D(r_main_texturepool, "blankblack", 1, 1, data, TEXTYPE_BGRA, TEXF_PERSISTENT, -1, NULL);
 367 }
 368
 369 static void R_BuildNoTexture(void)
 370 {
 371         int x, y;
 372         unsigned char pix[16][16][4];
 373         // this makes a light grey/dark grey checkerboard texture
 374         for (y = 0;y < 16;y++)
 375         {
 376                 for (x = 0;x < 16;x++)
 377                 {
 378                         if ((y < 8) ^ (x < 8))
 379                         {
 380                                 pix[y][x][0] = 128;
 381                                 pix[y][x][1] = 128;
 382                                 pix[y][x][2] = 128;
 383                                 pix[y][x][3] = 255;
 384                         }
 385                         else
 386                         {
 387                                 pix[y][x][0] = 64;
 388                                 pix[y][x][1] = 64;
 389                                 pix[y][x][2] = 64;
 390                                 pix[y][x][3] = 255;
 391                         }
 392                 }
 393         }
 394         r_texture_notexture = R_LoadTexture2D(r_main_texturepool, "notexture", 16, 16, &pix[0][0][0], TEXTYPE_BGRA, TEXF_MIPMAP | TEXF_PERSISTENT, -1, NULL);
 395 }
 396
 397 static void R_BuildWhiteCube(void)
 398 {
 399         unsigned char data[6*1*1*4];
 400         memset(data, 255, sizeof(data));
 401         r_texture_whitecube = R_LoadTextureCubeMap(r_main_texturepool, "whitecube", 1, data, TEXTYPE_BGRA, TEXF_CLAMP | TEXF_PERSISTENT, -1, NULL);
 402 }
 403
 404 static void R_BuildNormalizationCube(void)
 405 {
 406         int x, y, side;
 407         vec3_t v;
 408         vec_t s, t, intensity;
 409 #define NORMSIZE 64
 410         unsigned char *data;
 411         data = (unsigned char *)Mem_Alloc(tempmempool, 6*NORMSIZE*NORMSIZE*4);
 412         for (side = 0;side < 6;side++)
 413         {
 414                 for (y = 0;y < NORMSIZE;y++)
 415                 {
 416                         for (x = 0;x < NORMSIZE;x++)
 417                         {
 418                                 s = (x + 0.5f) * (2.0f / NORMSIZE) - 1.0f;
 419                                 t = (y + 0.5f) * (2.0f / NORMSIZE) - 1.0f;
 420                                 switch(side)
 421                                 {
 422                                 default:
 423                                 case 0:
 424                                         v[0] = 1;
 425                                         v[1] = -t;
 426                                         v[2] = -s;
 427                                         break;
 428                                 case 1:
 429                                         v[0] = -1;
 430                                         v[1] = -t;
 431                                         v[2] = s;
 432                                         break;
 433                                 case 2:
 434                                         v[0] = s;
 435                                         v[1] = 1;
 436                                         v[2] = t;
 437                                         break;
 438                                 case 3:
 439                                         v[0] = s;
 440                                         v[1] = -1;
 441                                         v[2] = -t;
 442                                         break;
 443                                 case 4:
 444                                         v[0] = s;
 445                                         v[1] = -t;
 446                                         v[2] = 1;
 447                                         break;
 448                                 case 5:
 449                                         v[0] = -s;
 450                                         v[1] = -t;
 451                                         v[2] = -1;
 452                                         break;
 453                                 }
 454                                 intensity = 127.0f / sqrt(DotProduct(v, v));
 455                                 data[((side*64+y)*64+x)*4+2] = (unsigned char)(128.0f + intensity * v[0]);
 456                                 data[((side*64+y)*64+x)*4+1] = (unsigned char)(128.0f + intensity * v[1]);
 457                                 data[((side*64+y)*64+x)*4+0] = (unsigned char)(128.0f + intensity * v[2]);
 458                                 data[((side*64+y)*64+x)*4+3] = 255;
 459                         }
 460                 }
 461         }
 462         r_texture_normalizationcube = R_LoadTextureCubeMap(r_main_texturepool, "normalcube", NORMSIZE, data, TEXTYPE_BGRA, TEXF_CLAMP | TEXF_PERSISTENT, -1, NULL);
 463         Mem_Free(data);
 464 }
 465
 466 static void R_BuildFogTexture(void)
 467 {
 468         int x, b;
 469 #define FOGWIDTH 256
 470         unsigned char data1[FOGWIDTH][4];
 471         //unsigned char data2[FOGWIDTH][4];
 472         double d, r, alpha;
 473
 474         r_refdef.fogmasktable_start = r_refdef.fog_start;
 475         r_refdef.fogmasktable_alpha = r_refdef.fog_alpha;
 476         r_refdef.fogmasktable_range = r_refdef.fogrange;
 477         r_refdef.fogmasktable_density = r_refdef.fog_density;
 478
 479         r = r_refdef.fogmasktable_range / FOGMASKTABLEWIDTH;
 480         for (x = 0;x < FOGMASKTABLEWIDTH;x++)
 481         {
 482                 d = (x * r - r_refdef.fogmasktable_start);
 483                 if(developer_extra.integer)
 484                         Con_DPrintf("%f ", d);
 485                 d = max(0, d);
 486                 if (r_fog_exp2.integer)
 487                         alpha = exp(-r_refdef.fogmasktable_density * r_refdef.fogmasktable_density * 0.0001 * d * d);
 488                 else
 489                         alpha = exp(-r_refdef.fogmasktable_density * 0.004 * d);
 490                 if(developer_extra.integer)
 491                         Con_DPrintf(" : %f ", alpha);
 492                 alpha = 1 - (1 - alpha) * r_refdef.fogmasktable_alpha;
 493                 if(developer_extra.integer)
 494                         Con_DPrintf(" = %f\n", alpha);
 495                 r_refdef.fogmasktable[x] = bound(0, alpha, 1);
 496         }
 497
 498         for (x = 0;x < FOGWIDTH;x++)
 499         {
 500                 b = (int)(r_refdef.fogmasktable[x * (FOGMASKTABLEWIDTH - 1) / (FOGWIDTH - 1)] * 255);
 501                 data1[x][0] = b;
 502                 data1[x][1] = b;
 503                 data1[x][2] = b;
 504                 data1[x][3] = 255;
 505                 //data2[x][0] = 255 - b;
 506                 //data2[x][1] = 255 - b;
 507                 //data2[x][2] = 255 - b;
 508                 //data2[x][3] = 255;
 509         }
 510         if (r_texture_fogattenuation)
 511         {
 512                 R_UpdateTexture(r_texture_fogattenuation, &data1[0][0], 0, 0, 0, FOGWIDTH, 1, 1);
 513                 //R_UpdateTexture(r_texture_fogattenuation, &data2[0][0], 0, 0, 0, FOGWIDTH, 1, 1);
 514         }
 515         else
 516         {
 517                 r_texture_fogattenuation = R_LoadTexture2D(r_main_texturepool, "fogattenuation", FOGWIDTH, 1, &data1[0][0], TEXTYPE_BGRA, TEXF_FORCELINEAR | TEXF_CLAMP | TEXF_PERSISTENT, -1, NULL);
 518                 //r_texture_fogintensity = R_LoadTexture2D(r_main_texturepool, "fogintensity", FOGWIDTH, 1, &data2[0][0], TEXTYPE_BGRA, TEXF_FORCELINEAR | TEXF_CLAMP, NULL);
 519         }
 520 }
 521
 522 static void R_BuildFogHeightTexture(void)
 523 {
 524         unsigned char *inpixels;
 525         int size;
 526         int x;
 527         int y;
 528         int j;
 529         float c[4];
 530         float f;
 531         inpixels = NULL;
 532         strlcpy(r_refdef.fogheighttexturename, r_refdef.fog_height_texturename, sizeof(r_refdef.fogheighttexturename));
 533         if (r_refdef.fogheighttexturename[0])
 534                 inpixels = loadimagepixelsbgra(r_refdef.fogheighttexturename, true, false, false, NULL);
 535         if (!inpixels)
 536         {
 537                 r_refdef.fog_height_tablesize = 0;
 538                 if (r_texture_fogheighttexture)
 539                         R_FreeTexture(r_texture_fogheighttexture);
 540                 r_texture_fogheighttexture = NULL;
 541                 if (r_refdef.fog_height_table2d)
 542                         Mem_Free(r_refdef.fog_height_table2d);
 543                 r_refdef.fog_height_table2d = NULL;
 544                 if (r_refdef.fog_height_table1d)
 545                         Mem_Free(r_refdef.fog_height_table1d);
 546                 r_refdef.fog_height_table1d = NULL;
 547                 return;
 548         }
 549         size = image_width;
 550         r_refdef.fog_height_tablesize = size;
 551         r_refdef.fog_height_table1d = (unsigned char *)Mem_Alloc(r_main_mempool, size * 4);
 552         r_refdef.fog_height_table2d = (unsigned char *)Mem_Alloc(r_main_mempool, size * size * 4);
 553         memcpy(r_refdef.fog_height_table1d, inpixels, size * 4);
 554         Mem_Free(inpixels);
 555         // LordHavoc: now the magic - what is that table2d for?  it is a cooked
 556         // average fog color table accounting for every fog layer between a point
 557         // and the camera.  (Note: attenuation is handled separately!)
 558         for (y = 0;y < size;y++)
 559         {
 560                 for (x = 0;x < size;x++)
 561                 {
 562                         Vector4Clear(c);
 563                         f = 0;
 564                         if (x < y)
 565                         {
 566                                 for (j = x;j <= y;j++)
 567                                 {
 568                                         Vector4Add(c, r_refdef.fog_height_table1d + j*4, c);
 569                                         f++;
 570                                 }
 571                         }
 572                         else
 573                         {
 574                                 for (j = x;j >= y;j--)
 575                                 {
 576                                         Vector4Add(c, r_refdef.fog_height_table1d + j*4, c);
 577                                         f++;
 578                                 }
 579                         }
 580                         f = 1.0f / f;
 581                         r_refdef.fog_height_table2d[(y*size+x)*4+0] = (unsigned char)(c[0] * f);
 582                         r_refdef.fog_height_table2d[(y*size+x)*4+1] = (unsigned char)(c[1] * f);
 583                         r_refdef.fog_height_table2d[(y*size+x)*4+2] = (unsigned char)(c[2] * f);
 584                         r_refdef.fog_height_table2d[(y*size+x)*4+3] = (unsigned char)(c[3] * f);
 585                 }
 586         }
 587         r_texture_fogheighttexture = R_LoadTexture2D(r_main_texturepool, "fogheighttable", size, size, r_refdef.fog_height_table2d, TEXTYPE_BGRA, TEXF_ALPHA | TEXF_CLAMP, -1, NULL);
 588 }
 589
 590 //=======================================================================================================================================================
 591
 592 static const char *builtinshaderstring =
 593 #include "shader_glsl.h"
 594 ;
 595
 596 const char *builtinhlslshaderstring =
 597 #include "shader_hlsl.h"
 598 ;
 599
 600 char *glslshaderstring = NULL;
 601 char *hlslshaderstring = NULL;
 602
 603 //=======================================================================================================================================================
 604
 605 typedef struct shaderpermutationinfo_s
 606 {
 607         const char *pretext;
 608         const char *name;
 609 }
 610 shaderpermutationinfo_t;
 611
 612 typedef struct shadermodeinfo_s
 613 {
 614         const char *vertexfilename;
 615         const char *geometryfilename;
 616         const char *fragmentfilename;
 617         const char *pretext;
 618         const char *name;
 619 }
 620 shadermodeinfo_t;
 621
 622 // NOTE: MUST MATCH ORDER OF SHADERPERMUTATION_* DEFINES!
 623 shaderpermutationinfo_t shaderpermutationinfo[SHADERPERMUTATION_COUNT] =
 624 {
 625         {"#define USEDIFFUSE\n", " diffuse"},
 626         {"#define USEVERTEXTEXTUREBLEND\n", " vertextextureblend"},
 627         {"#define USEVIEWTINT\n", " viewtint"},
 628         {"#define USECOLORMAPPING\n", " colormapping"},
 629         {"#define USESATURATION\n", " saturation"},
 630         {"#define USEFOGINSIDE\n", " foginside"},
 631         {"#define USEFOGOUTSIDE\n", " fogoutside"},
 632         {"#define USEFOGHEIGHTTEXTURE\n", " fogheighttexture"},
 633         {"#define USEFOGALPHAHACK\n", " fogalphahack"},
 634         {"#define USEGAMMARAMPS\n", " gammaramps"},
 635         {"#define USECUBEFILTER\n", " cubefilter"},
 636         {"#define USEGLOW\n", " glow"},
 637         {"#define USEBLOOM\n", " bloom"},
 638         {"#define USESPECULAR\n", " specular"},
 639         {"#define USEPOSTPROCESSING\n", " postprocessing"},
 640         {"#define USEREFLECTION\n", " reflection"},
 641         {"#define USEOFFSETMAPPING\n", " offsetmapping"},
 642         {"#define USEOFFSETMAPPING_RELIEFMAPPING\n", " reliefmapping"},
 643         {"#define USESHADOWMAP2D\n", " shadowmap2d"},
 644         {"#define USESHADOWMAPPCF 1\n", " shadowmappcf"},
 645         {"#define USESHADOWMAPPCF 2\n", " shadowmappcf2"},
 646         {"#define USESHADOWSAMPLER\n", " shadowsampler"},
 647         {"#define USESHADOWMAPVSDCT\n", " shadowmapvsdct"},
 648         {"#define USESHADOWMAPORTHO\n", " shadowmaportho"},
 649         {"#define USEDEFERREDLIGHTMAP\n", " deferredlightmap"},
 650         {"#define USEALPHAKILL\n", " alphakill"},
 651         {"#define USEREFLECTCUBE\n", " reflectcube"},
 652         {"#define USENORMALMAPSCROLLBLEND\n", " normalmapscrollblend"},
 653         {"#define USEBOUNCEGRID\n", " bouncegrid"},
 654         {"#define USEBOUNCEGRIDDIRECTIONAL\n", " bouncegriddirectional"},
 655         {"#define USETRIPPY\n", " trippy"},
 656 };
 657
 658 // NOTE: MUST MATCH ORDER OF SHADERMODE_* ENUMS!
 659 shadermodeinfo_t glslshadermodeinfo[SHADERMODE_COUNT] =
 660 {
 661         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_GENERIC\n", " generic"},
 662         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_POSTPROCESS\n", " postprocess"},
 663         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_DEPTH_OR_SHADOW\n", " depth/shadow"},
 664         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_FLATCOLOR\n", " flatcolor"},
 665         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_VERTEXCOLOR\n", " vertexcolor"},
 666         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_LIGHTMAP\n", " lightmap"},
 667         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_FAKELIGHT\n", " fakelight"},
 668         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_LIGHTDIRECTIONMAP_MODELSPACE\n", " lightdirectionmap_modelspace"},
 669         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_LIGHTDIRECTIONMAP_TANGENTSPACE\n", " lightdirectionmap_tangentspace"},
 670         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_LIGHTDIRECTIONMAP_FORCED_LIGHTMAP\n", " lightdirectionmap_forced_lightmap"},
 671         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_LIGHTDIRECTIONMAP_FORCED_VERTEXCOLOR\n", " lightdirectionmap_forced_vertexcolor"},
 672         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_LIGHTDIRECTION\n", " lightdirection"},
 673         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_LIGHTSOURCE\n", " lightsource"},
 674         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_REFRACTION\n", " refraction"},
 675         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_WATER\n", " water"},
 676         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_SHOWDEPTH\n", " showdepth"},
 677         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_DEFERREDGEOMETRY\n", " deferredgeometry"},
 678         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_DEFERREDLIGHTSOURCE\n", " deferredlightsource"},
 679 };
 680
 681 shadermodeinfo_t hlslshadermodeinfo[SHADERMODE_COUNT] =
 682 {
 683         {"hlsl/default.hlsl", NULL, "hlsl/default.hlsl", "#define MODE_GENERIC\n", " generic"},
 684         {"hlsl/default.hlsl", NULL, "hlsl/default.hlsl", "#define MODE_POSTPROCESS\n", " postprocess"},
 685         {"hlsl/default.hlsl", NULL, "hlsl/default.hlsl", "#define MODE_DEPTH_OR_SHADOW\n", " depth/shadow"},
 686         {"hlsl/default.hlsl", NULL, "hlsl/default.hlsl", "#define MODE_FLATCOLOR\n", " flatcolor"},
 687         {"hlsl/default.hlsl", NULL, "hlsl/default.hlsl", "#define MODE_VERTEXCOLOR\n", " vertexcolor"},
 688         {"hlsl/default.hlsl", NULL, "hlsl/default.hlsl", "#define MODE_LIGHTMAP\n", " lightmap"},
 689         {"hlsl/default.hlsl", NULL, "hlsl/default.hlsl", "#define MODE_FAKELIGHT\n", " fakelight"},
 690         {"hlsl/default.hlsl", NULL, "hlsl/default.hlsl", "#define MODE_LIGHTDIRECTIONMAP_MODELSPACE\n", " lightdirectionmap_modelspace"},
 691         {"hlsl/default.hlsl", NULL, "hlsl/default.hlsl", "#define MODE_LIGHTDIRECTIONMAP_TANGENTSPACE\n", " lightdirectionmap_tangentspace"},
 692         {"hlsl/default.hlsl", NULL, "hlsl/default.hlsl", "#define MODE_LIGHTDIRECTIONMAP_FORCED_LIGHTMAP\n", " lightdirectionmap_forced_lightmap"},
 693         {"hlsl/default.hlsl", NULL, "hlsl/default.hlsl", "#define MODE_LIGHTDIRECTIONMAP_FORCED_VERTEXCOLOR\n", " lightdirectionmap_forced_vertexcolor"},
 694         {"hlsl/default.hlsl", NULL, "hlsl/default.hlsl", "#define MODE_LIGHTDIRECTION\n", " lightdirection"},
 695         {"hlsl/default.hlsl", NULL, "hlsl/default.hlsl", "#define MODE_LIGHTSOURCE\n", " lightsource"},
 696         {"hlsl/default.hlsl", NULL, "hlsl/default.hlsl", "#define MODE_REFRACTION\n", " refraction"},
 697         {"hlsl/default.hlsl", NULL, "hlsl/default.hlsl", "#define MODE_WATER\n", " water"},
 698         {"hlsl/default.hlsl", NULL, "hlsl/default.hlsl", "#define MODE_SHOWDEPTH\n", " showdepth"},
 699         {"hlsl/default.hlsl", NULL, "hlsl/default.hlsl", "#define MODE_DEFERREDGEOMETRY\n", " deferredgeometry"},
 700         {"hlsl/default.hlsl", NULL, "hlsl/default.hlsl", "#define MODE_DEFERREDLIGHTSOURCE\n", " deferredlightsource"},
 701 };
 702
 703 struct r_glsl_permutation_s;
 704 typedef struct r_glsl_permutation_s
 705 {
 706         /// hash lookup data
 707         struct r_glsl_permutation_s *hashnext;
 708         unsigned int mode;
 709         unsigned int permutation;
 710
 711         /// indicates if we have tried compiling this permutation already
 712         qboolean compiled;
 713         /// 0 if compilation failed
 714         int program;
 715         // texture units assigned to each detected uniform
 716         int tex_Texture_First;
 717         int tex_Texture_Second;
 718         int tex_Texture_GammaRamps;
 719         int tex_Texture_Normal;
 720         int tex_Texture_Color;
 721         int tex_Texture_Gloss;
 722         int tex_Texture_Glow;
 723         int tex_Texture_SecondaryNormal;
 724         int tex_Texture_SecondaryColor;
 725         int tex_Texture_SecondaryGloss;
 726         int tex_Texture_SecondaryGlow;
 727         int tex_Texture_Pants;
 728         int tex_Texture_Shirt;
 729         int tex_Texture_FogHeightTexture;
 730         int tex_Texture_FogMask;
 731         int tex_Texture_Lightmap;
 732         int tex_Texture_Deluxemap;
 733         int tex_Texture_Attenuation;
 734         int tex_Texture_Cube;
 735         int tex_Texture_Refraction;
 736         int tex_Texture_Reflection;
 737         int tex_Texture_ShadowMap2D;
 738         int tex_Texture_CubeProjection;
 739         int tex_Texture_ScreenDepth;
 740         int tex_Texture_ScreenNormalMap;
 741         int tex_Texture_ScreenDiffuse;
 742         int tex_Texture_ScreenSpecular;
 743         int tex_Texture_ReflectMask;
 744         int tex_Texture_ReflectCube;
 745         int tex_Texture_BounceGrid;
 746         /// locations of detected uniforms in program object, or -1 if not found
 747         int loc_Texture_First;
 748         int loc_Texture_Second;
 749         int loc_Texture_GammaRamps;
 750         int loc_Texture_Normal;
 751         int loc_Texture_Color;
 752         int loc_Texture_Gloss;
 753         int loc_Texture_Glow;
 754         int loc_Texture_SecondaryNormal;
 755         int loc_Texture_SecondaryColor;
 756         int loc_Texture_SecondaryGloss;
 757         int loc_Texture_SecondaryGlow;
 758         int loc_Texture_Pants;
 759         int loc_Texture_Shirt;
 760         int loc_Texture_FogHeightTexture;
 761         int loc_Texture_FogMask;
 762         int loc_Texture_Lightmap;
 763         int loc_Texture_Deluxemap;
 764         int loc_Texture_Attenuation;
 765         int loc_Texture_Cube;
 766         int loc_Texture_Refraction;
 767         int loc_Texture_Reflection;
 768         int loc_Texture_ShadowMap2D;
 769         int loc_Texture_CubeProjection;
 770         int loc_Texture_ScreenDepth;
 771         int loc_Texture_ScreenNormalMap;
 772         int loc_Texture_ScreenDiffuse;
 773         int loc_Texture_ScreenSpecular;
 774         int loc_Texture_ReflectMask;
 775         int loc_Texture_ReflectCube;
 776         int loc_Texture_BounceGrid;
 777         int loc_Alpha;
 778         int loc_BloomBlur_Parameters;
 779         int loc_ClientTime;
 780         int loc_Color_Ambient;
 781         int loc_Color_Diffuse;
 782         int loc_Color_Specular;
 783         int loc_Color_Glow;
 784         int loc_Color_Pants;
 785         int loc_Color_Shirt;
 786         int loc_DeferredColor_Ambient;
 787         int loc_DeferredColor_Diffuse;
 788         int loc_DeferredColor_Specular;
 789         int loc_DeferredMod_Diffuse;
 790         int loc_DeferredMod_Specular;
 791         int loc_DistortScaleRefractReflect;
 792         int loc_EyePosition;
 793         int loc_FogColor;
 794         int loc_FogHeightFade;
 795         int loc_FogPlane;
 796         int loc_FogPlaneViewDist;
 797         int loc_FogRangeRecip;
 798         int loc_LightColor;
 799         int loc_LightDir;
 800         int loc_LightPosition;
 801         int loc_OffsetMapping_ScaleSteps;
 802         int loc_OffsetMapping_LodDistance;
 803         int loc_OffsetMapping_Bias;
 804         int loc_PixelSize;
 805         int loc_ReflectColor;
 806         int loc_ReflectFactor;
 807         int loc_ReflectOffset;
 808         int loc_RefractColor;
 809         int loc_Saturation;
 810         int loc_ScreenCenterRefractReflect;
 811         int loc_ScreenScaleRefractReflect;
 812         int loc_ScreenToDepth;
 813         int loc_ShadowMap_Parameters;
 814         int loc_ShadowMap_TextureScale;
 815         int loc_SpecularPower;
 816         int loc_UserVec1;
 817         int loc_UserVec2;
 818         int loc_UserVec3;
 819         int loc_UserVec4;
 820         int loc_ViewTintColor;
 821         int loc_ViewToLight;
 822         int loc_ModelToLight;
 823         int loc_TexMatrix;
 824         int loc_BackgroundTexMatrix;
 825         int loc_ModelViewProjectionMatrix;
 826         int loc_ModelViewMatrix;
 827         int loc_PixelToScreenTexCoord;
 828         int loc_ModelToReflectCube;
 829         int loc_ShadowMapMatrix;
 830         int loc_BloomColorSubtract;
 831         int loc_NormalmapScrollBlend;
 832         int loc_BounceGridMatrix;
 833         int loc_BounceGridIntensity;
 834 }
 835 r_glsl_permutation_t;
 836
 837 #define SHADERPERMUTATION_HASHSIZE 256
 838
 839
 840 // non-degradable "lightweight" shader parameters to keep the permutations simpler
 841 // these can NOT degrade! only use for simple stuff
 842 enum
 843 {
 844         SHADERSTATICPARM_SATURATION_REDCOMPENSATE = 0, ///< red compensation filter for saturation
 845         SHADERSTATICPARM_EXACTSPECULARMATH = 1, ///< (lightsource or deluxemapping) use exact reflection map for specular effects, as opposed to the usual OpenGL approximation
 846         SHADERSTATICPARM_POSTPROCESS_USERVEC1 = 2, ///< postprocess uservec1 is enabled
 847         SHADERSTATICPARM_POSTPROCESS_USERVEC2 = 3, ///< postprocess uservec2 is enabled
 848         SHADERSTATICPARM_POSTPROCESS_USERVEC3 = 4, ///< postprocess uservec3 is enabled
 849         SHADERSTATICPARM_POSTPROCESS_USERVEC4 = 5,  ///< postprocess uservec4 is enabled
 850         SHADERSTATICPARM_VERTEXTEXTUREBLEND_USEBOTHALPHAS = 6, // use both alpha layers while blending materials, allows more advanced microblending
 851         SHADERSTATICPARM_OFFSETMAPPING_USELOD = 7,  ///< LOD for offsetmapping
 852 };
 853 #define SHADERSTATICPARMS_COUNT 8
 854
 855 static const char *shaderstaticparmstrings_list[SHADERSTATICPARMS_COUNT];
 856 static int shaderstaticparms_count = 0;
 857
 858 static unsigned int r_compileshader_staticparms[(SHADERSTATICPARMS_COUNT + 0x1F) >> 5] = {0};
 859 #define R_COMPILESHADER_STATICPARM_ENABLE(p) r_compileshader_staticparms[(p) >> 5] |= (1 << ((p) & 0x1F))
 860 qboolean R_CompileShader_CheckStaticParms(void)
 861 {
 862         static int r_compileshader_staticparms_save[1];
 863         memcpy(r_compileshader_staticparms_save, r_compileshader_staticparms, sizeof(r_compileshader_staticparms));
 864         memset(r_compileshader_staticparms, 0, sizeof(r_compileshader_staticparms));
 865
 866         // detect all
 867         if (r_glsl_saturation_redcompensate.integer)
 868                 R_COMPILESHADER_STATICPARM_ENABLE(SHADERSTATICPARM_SATURATION_REDCOMPENSATE);
 869         if (r_glsl_vertextextureblend_usebothalphas.integer)
 870                 R_COMPILESHADER_STATICPARM_ENABLE(SHADERSTATICPARM_VERTEXTEXTUREBLEND_USEBOTHALPHAS);
 871         if (r_shadow_glossexact.integer)
 872                 R_COMPILESHADER_STATICPARM_ENABLE(SHADERSTATICPARM_EXACTSPECULARMATH);
 873         if (r_glsl_postprocess.integer)
 874         {
 875                 if (r_glsl_postprocess_uservec1_enable.integer)
 876                         R_COMPILESHADER_STATICPARM_ENABLE(SHADERSTATICPARM_POSTPROCESS_USERVEC1);
 877                 if (r_glsl_postprocess_uservec2_enable.integer)
 878                         R_COMPILESHADER_STATICPARM_ENABLE(SHADERSTATICPARM_POSTPROCESS_USERVEC2);
 879                 if (r_glsl_postprocess_uservec3_enable.integer)
 880                         R_COMPILESHADER_STATICPARM_ENABLE(SHADERSTATICPARM_POSTPROCESS_USERVEC3);
 881                 if (r_glsl_postprocess_uservec4_enable.integer)
 882                         R_COMPILESHADER_STATICPARM_ENABLE(SHADERSTATICPARM_POSTPROCESS_USERVEC4);
 883         }
 884         if (r_glsl_offsetmapping_lod.integer && r_glsl_offsetmapping_lod_distance.integer > 0)
 885                 R_COMPILESHADER_STATICPARM_ENABLE(SHADERSTATICPARM_OFFSETMAPPING_USELOD);
 886         return memcmp(r_compileshader_staticparms, r_compileshader_staticparms_save, sizeof(r_compileshader_staticparms)) != 0;
 887 }
 888
 889 #define R_COMPILESHADER_STATICPARM_EMIT(p, n) \
 890         if(r_compileshader_staticparms[(p) >> 5] & (1 << ((p) & 0x1F))) \
 891                 shaderstaticparmstrings_list[shaderstaticparms_count++] = "#define " n "\n"; \
 892         else \
 893                 shaderstaticparmstrings_list[shaderstaticparms_count++] = "\n"
 894 void R_CompileShader_AddStaticParms(unsigned int mode, unsigned int permutation)
 895 {
 896         shaderstaticparms_count = 0;
 897
 898         // emit all
 899         R_COMPILESHADER_STATICPARM_EMIT(SHADERSTATICPARM_SATURATION_REDCOMPENSATE, "SATURATION_REDCOMPENSATE");
 900         R_COMPILESHADER_STATICPARM_EMIT(SHADERSTATICPARM_EXACTSPECULARMATH, "USEEXACTSPECULARMATH");
 901         R_COMPILESHADER_STATICPARM_EMIT(SHADERSTATICPARM_POSTPROCESS_USERVEC1, "USERVEC1");
 902         R_COMPILESHADER_STATICPARM_EMIT(SHADERSTATICPARM_POSTPROCESS_USERVEC2, "USERVEC2");
 903         R_COMPILESHADER_STATICPARM_EMIT(SHADERSTATICPARM_POSTPROCESS_USERVEC3, "USERVEC3");
 904         R_COMPILESHADER_STATICPARM_EMIT(SHADERSTATICPARM_POSTPROCESS_USERVEC4, "USERVEC4");
 905         R_COMPILESHADER_STATICPARM_EMIT(SHADERSTATICPARM_VERTEXTEXTUREBLEND_USEBOTHALPHAS, "USEBOTHALPHAS");
 906         R_COMPILESHADER_STATICPARM_EMIT(SHADERSTATICPARM_OFFSETMAPPING_USELOD, "USEOFFSETMAPPING_LOD");
 907 }
 908
 909 /// information about each possible shader permutation
 910 r_glsl_permutation_t *r_glsl_permutationhash[SHADERMODE_COUNT][SHADERPERMUTATION_HASHSIZE];
 911 /// currently selected permutation
 912 r_glsl_permutation_t *r_glsl_permutation;
 913 /// storage for permutations linked in the hash table
 914 memexpandablearray_t r_glsl_permutationarray;
 915
 916 static r_glsl_permutation_t *R_GLSL_FindPermutation(unsigned int mode, unsigned int permutation)
 917 {
 918         //unsigned int hashdepth = 0;
 919         unsigned int hashindex = (permutation * 0x1021) & (SHADERPERMUTATION_HASHSIZE - 1);
 920         r_glsl_permutation_t *p;
 921         for (p = r_glsl_permutationhash[mode][hashindex];p;p = p->hashnext)
 922         {
 923                 if (p->mode == mode && p->permutation == permutation)
 924                 {
 925                         //if (hashdepth > 10)
 926                         //      Con_Printf("R_GLSL_FindPermutation: Warning: %i:%i has hashdepth %i\n", mode, permutation, hashdepth);
 927                         return p;
 928                 }
 929                 //hashdepth++;
 930         }
 931         p = (r_glsl_permutation_t*)Mem_ExpandableArray_AllocRecord(&r_glsl_permutationarray);
 932         p->mode = mode;
 933         p->permutation = permutation;
 934         p->hashnext = r_glsl_permutationhash[mode][hashindex];
 935         r_glsl_permutationhash[mode][hashindex] = p;
 936         //if (hashdepth > 10)
 937         //      Con_Printf("R_GLSL_FindPermutation: Warning: %i:%i has hashdepth %i\n", mode, permutation, hashdepth);
 938         return p;
 939 }
 940
 941 static char *R_GLSL_GetText(const char *filename, qboolean printfromdisknotice)
 942 {
 943         char *shaderstring;
 944         if (!filename || !filename[0])
 945                 return NULL;
 946         if (!strcmp(filename, "glsl/default.glsl"))
 947         {
 948                 if (!glslshaderstring)
 949                 {
 950                         glslshaderstring = (char *)FS_LoadFile(filename, r_main_mempool, false, NULL);
 951                         if (glslshaderstring)
 952                                 Con_DPrintf("Loading shaders from file %s...\n", filename);
 953                         else
 954                                 glslshaderstring = (char *)builtinshaderstring;
 955                 }
 956                 shaderstring = (char *) Mem_Alloc(r_main_mempool, strlen(glslshaderstring) + 1);
 957                 memcpy(shaderstring, glslshaderstring, strlen(glslshaderstring) + 1);
 958                 return shaderstring;
 959         }
 960         shaderstring = (char *)FS_LoadFile(filename, r_main_mempool, false, NULL);
 961         if (shaderstring)
 962         {
 963                 if (printfromdisknotice)
 964                         Con_DPrintf("from disk %s... ", filename);
 965                 return shaderstring;
 966         }
 967         return shaderstring;
 968 }
 969
 970 static void R_GLSL_CompilePermutation(r_glsl_permutation_t *p, unsigned int mode, unsigned int permutation)
 971 {
 972         int i;
 973         int sampler;
 974         shadermodeinfo_t *modeinfo = glslshadermodeinfo + mode;
 975         char *vertexstring, *geometrystring, *fragmentstring;
 976         char permutationname[256];
 977         int vertstrings_count = 0;
 978         int geomstrings_count = 0;
 979         int fragstrings_count = 0;
 980         const char *vertstrings_list[32+3+SHADERSTATICPARMS_COUNT+1];
 981         const char *geomstrings_list[32+3+SHADERSTATICPARMS_COUNT+1];
 982         const char *fragstrings_list[32+3+SHADERSTATICPARMS_COUNT+1];
 983
 984         if (p->compiled)
 985                 return;
 986         p->compiled = true;
 987         p->program = 0;
 988
 989         permutationname[0] = 0;
 990         vertexstring   = R_GLSL_GetText(modeinfo->vertexfilename, true);
 991         geometrystring = R_GLSL_GetText(modeinfo->geometryfilename, false);
 992         fragmentstring = R_GLSL_GetText(modeinfo->fragmentfilename, false);
 993
 994         strlcat(permutationname, modeinfo->vertexfilename, sizeof(permutationname));
 995
 996         // if we can do #version 130, we should (this improves quality of offset/reliefmapping thanks to textureGrad)
 997         if(vid.support.gl20shaders130)
 998         {
 999                 vertstrings_list[vertstrings_count++] = "#version 130\n";
1000                 geomstrings_list[geomstrings_count++] = "#version 130\n";
1001                 fragstrings_list[fragstrings_count++] = "#version 130\n";
1002                 vertstrings_list[vertstrings_count++] = "#define GLSL130\n";
1003                 geomstrings_list[geomstrings_count++] = "#define GLSL130\n";
1004                 fragstrings_list[fragstrings_count++] = "#define GLSL130\n";
1005         }
1006
1007         // the first pretext is which type of shader to compile as
1008         // (later these will all be bound together as a program object)
1009         vertstrings_list[vertstrings_count++] = "#define VERTEX_SHADER\n";
1010         geomstrings_list[geomstrings_count++] = "#define GEOMETRY_SHADER\n";
1011         fragstrings_list[fragstrings_count++] = "#define FRAGMENT_SHADER\n";
1012
1013         // the second pretext is the mode (for example a light source)
1014         vertstrings_list[vertstrings_count++] = modeinfo->pretext;
1015         geomstrings_list[geomstrings_count++] = modeinfo->pretext;
1016         fragstrings_list[fragstrings_count++] = modeinfo->pretext;
1017         strlcat(permutationname, modeinfo->name, sizeof(permutationname));
1018
1019         // now add all the permutation pretexts
1020         for (i = 0;i < SHADERPERMUTATION_COUNT;i++)
1021         {
1022                 if (permutation & (1<<i))
1023                 {
1024                         vertstrings_list[vertstrings_count++] = shaderpermutationinfo[i].pretext;
1025                         geomstrings_list[geomstrings_count++] = shaderpermutationinfo[i].pretext;
1026                         fragstrings_list[fragstrings_count++] = shaderpermutationinfo[i].pretext;
1027                         strlcat(permutationname, shaderpermutationinfo[i].name, sizeof(permutationname));
1028                 }
1029                 else
1030                 {
1031                         // keep line numbers correct
1032                         vertstrings_list[vertstrings_count++] = "\n";
1033                         geomstrings_list[geomstrings_count++] = "\n";
1034                         fragstrings_list[fragstrings_count++] = "\n";
1035                 }
1036         }
1037
1038         // add static parms
1039         R_CompileShader_AddStaticParms(mode, permutation);
1040         memcpy((char *)(vertstrings_list + vertstrings_count), shaderstaticparmstrings_list, sizeof(*vertstrings_list) * shaderstaticparms_count);
1041         vertstrings_count += shaderstaticparms_count;
1042         memcpy((char *)(geomstrings_list + geomstrings_count), shaderstaticparmstrings_list, sizeof(*vertstrings_list) * shaderstaticparms_count);
1043         geomstrings_count += shaderstaticparms_count;
1044         memcpy((char *)(fragstrings_list + fragstrings_count), shaderstaticparmstrings_list, sizeof(*vertstrings_list) * shaderstaticparms_count);
1045         fragstrings_count += shaderstaticparms_count;
1046
1047         // now append the shader text itself
1048         vertstrings_list[vertstrings_count++] = vertexstring;
1049         geomstrings_list[geomstrings_count++] = geometrystring;
1050         fragstrings_list[fragstrings_count++] = fragmentstring;
1051
1052         // if any sources were NULL, clear the respective list
1053         if (!vertexstring)
1054                 vertstrings_count = 0;
1055         if (!geometrystring)
1056                 geomstrings_count = 0;
1057         if (!fragmentstring)
1058                 fragstrings_count = 0;
1059
1060         // compile the shader program
1061         if (vertstrings_count + geomstrings_count + fragstrings_count)
1062                 p->program = GL_Backend_CompileProgram(vertstrings_count, vertstrings_list, geomstrings_count, geomstrings_list, fragstrings_count, fragstrings_list);
1063         if (p->program)
1064         {
1065                 CHECKGLERROR
1066                 qglUseProgram(p->program);CHECKGLERROR
1067                 // look up all the uniform variable names we care about, so we don't
1068                 // have to look them up every time we set them
1069
1070                 p->loc_Texture_First              = qglGetUniformLocation(p->program, "Texture_First");
1071                 p->loc_Texture_Second             = qglGetUniformLocation(p->program, "Texture_Second");
1072                 p->loc_Texture_GammaRamps         = qglGetUniformLocation(p->program, "Texture_GammaRamps");
1073                 p->loc_Texture_Normal             = qglGetUniformLocation(p->program, "Texture_Normal");
1074                 p->loc_Texture_Color              = qglGetUniformLocation(p->program, "Texture_Color");
1075                 p->loc_Texture_Gloss              = qglGetUniformLocation(p->program, "Texture_Gloss");
1076                 p->loc_Texture_Glow               = qglGetUniformLocation(p->program, "Texture_Glow");
1077                 p->loc_Texture_SecondaryNormal    = qglGetUniformLocation(p->program, "Texture_SecondaryNormal");
1078                 p->loc_Texture_SecondaryColor     = qglGetUniformLocation(p->program, "Texture_SecondaryColor");
1079                 p->loc_Texture_SecondaryGloss     = qglGetUniformLocation(p->program, "Texture_SecondaryGloss");
1080                 p->loc_Texture_SecondaryGlow      = qglGetUniformLocation(p->program, "Texture_SecondaryGlow");
1081                 p->loc_Texture_Pants              = qglGetUniformLocation(p->program, "Texture_Pants");
1082                 p->loc_Texture_Shirt              = qglGetUniformLocation(p->program, "Texture_Shirt");
1083                 p->loc_Texture_FogHeightTexture   = qglGetUniformLocation(p->program, "Texture_FogHeightTexture");
1084                 p->loc_Texture_FogMask            = qglGetUniformLocation(p->program, "Texture_FogMask");
1085                 p->loc_Texture_Lightmap           = qglGetUniformLocation(p->program, "Texture_Lightmap");
1086                 p->loc_Texture_Deluxemap          = qglGetUniformLocation(p->program, "Texture_Deluxemap");
1087                 p->loc_Texture_Attenuation        = qglGetUniformLocation(p->program, "Texture_Attenuation");
1088                 p->loc_Texture_Cube               = qglGetUniformLocation(p->program, "Texture_Cube");
1089                 p->loc_Texture_Refraction         = qglGetUniformLocation(p->program, "Texture_Refraction");
1090                 p->loc_Texture_Reflection         = qglGetUniformLocation(p->program, "Texture_Reflection");
1091                 p->loc_Texture_ShadowMap2D        = qglGetUniformLocation(p->program, "Texture_ShadowMap2D");
1092                 p->loc_Texture_CubeProjection     = qglGetUniformLocation(p->program, "Texture_CubeProjection");
1093                 p->loc_Texture_ScreenDepth        = qglGetUniformLocation(p->program, "Texture_ScreenDepth");
1094                 p->loc_Texture_ScreenNormalMap    = qglGetUniformLocation(p->program, "Texture_ScreenNormalMap");
1095                 p->loc_Texture_ScreenDiffuse      = qglGetUniformLocation(p->program, "Texture_ScreenDiffuse");
1096                 p->loc_Texture_ScreenSpecular     = qglGetUniformLocation(p->program, "Texture_ScreenSpecular");
1097                 p->loc_Texture_ReflectMask        = qglGetUniformLocation(p->program, "Texture_ReflectMask");
1098                 p->loc_Texture_ReflectCube        = qglGetUniformLocation(p->program, "Texture_ReflectCube");
1099                 p->loc_Texture_BounceGrid         = qglGetUniformLocation(p->program, "Texture_BounceGrid");
1100                 p->loc_Alpha                      = qglGetUniformLocation(p->program, "Alpha");
1101                 p->loc_BloomBlur_Parameters       = qglGetUniformLocation(p->program, "BloomBlur_Parameters");
1102                 p->loc_ClientTime                 = qglGetUniformLocation(p->program, "ClientTime");
1103                 p->loc_Color_Ambient              = qglGetUniformLocation(p->program, "Color_Ambient");
1104                 p->loc_Color_Diffuse              = qglGetUniformLocation(p->program, "Color_Diffuse");
1105                 p->loc_Color_Specular             = qglGetUniformLocation(p->program, "Color_Specular");
1106                 p->loc_Color_Glow                 = qglGetUniformLocation(p->program, "Color_Glow");
1107                 p->loc_Color_Pants                = qglGetUniformLocation(p->program, "Color_Pants");
1108                 p->loc_Color_Shirt                = qglGetUniformLocation(p->program, "Color_Shirt");
1109                 p->loc_DeferredColor_Ambient      = qglGetUniformLocation(p->program, "DeferredColor_Ambient");
1110                 p->loc_DeferredColor_Diffuse      = qglGetUniformLocation(p->program, "DeferredColor_Diffuse");
1111                 p->loc_DeferredColor_Specular     = qglGetUniformLocation(p->program, "DeferredColor_Specular");
1112                 p->loc_DeferredMod_Diffuse        = qglGetUniformLocation(p->program, "DeferredMod_Diffuse");
1113                 p->loc_DeferredMod_Specular       = qglGetUniformLocation(p->program, "DeferredMod_Specular");
1114                 p->loc_DistortScaleRefractReflect = qglGetUniformLocation(p->program, "DistortScaleRefractReflect");
1115                 p->loc_EyePosition                = qglGetUniformLocation(p->program, "EyePosition");
1116                 p->loc_FogColor                   = qglGetUniformLocation(p->program, "FogColor");
1117                 p->loc_FogHeightFade              = qglGetUniformLocation(p->program, "FogHeightFade");
1118                 p->loc_FogPlane                   = qglGetUniformLocation(p->program, "FogPlane");
1119                 p->loc_FogPlaneViewDist           = qglGetUniformLocation(p->program, "FogPlaneViewDist");
1120                 p->loc_FogRangeRecip              = qglGetUniformLocation(p->program, "FogRangeRecip");
1121                 p->loc_LightColor                 = qglGetUniformLocation(p->program, "LightColor");
1122                 p->loc_LightDir                   = qglGetUniformLocation(p->program, "LightDir");
1123                 p->loc_LightPosition              = qglGetUniformLocation(p->program, "LightPosition");
1124                 p->loc_OffsetMapping_ScaleSteps   = qglGetUniformLocation(p->program, "OffsetMapping_ScaleSteps");
1125                 p->loc_OffsetMapping_LodDistance  = qglGetUniformLocation(p->program, "OffsetMapping_LodDistance");
1126                 p->loc_OffsetMapping_Bias         = qglGetUniformLocation(p->program, "OffsetMapping_Bias");
1127                 p->loc_PixelSize                  = qglGetUniformLocation(p->program, "PixelSize");
1128                 p->loc_ReflectColor               = qglGetUniformLocation(p->program, "ReflectColor");
1129                 p->loc_ReflectFactor              = qglGetUniformLocation(p->program, "ReflectFactor");
1130                 p->loc_ReflectOffset              = qglGetUniformLocation(p->program, "ReflectOffset");
1131                 p->loc_RefractColor               = qglGetUniformLocation(p->program, "RefractColor");
1132                 p->loc_Saturation                 = qglGetUniformLocation(p->program, "Saturation");
1133                 p->loc_ScreenCenterRefractReflect = qglGetUniformLocation(p->program, "ScreenCenterRefractReflect");
1134                 p->loc_ScreenScaleRefractReflect  = qglGetUniformLocation(p->program, "ScreenScaleRefractReflect");
1135                 p->loc_ScreenToDepth              = qglGetUniformLocation(p->program, "ScreenToDepth");
1136                 p->loc_ShadowMap_Parameters       = qglGetUniformLocation(p->program, "ShadowMap_Parameters");
1137                 p->loc_ShadowMap_TextureScale     = qglGetUniformLocation(p->program, "ShadowMap_TextureScale");
1138                 p->loc_SpecularPower              = qglGetUniformLocation(p->program, "SpecularPower");
1139                 p->loc_UserVec1                   = qglGetUniformLocation(p->program, "UserVec1");
1140                 p->loc_UserVec2                   = qglGetUniformLocation(p->program, "UserVec2");
1141                 p->loc_UserVec3                   = qglGetUniformLocation(p->program, "UserVec3");
1142                 p->loc_UserVec4                   = qglGetUniformLocation(p->program, "UserVec4");
1143                 p->loc_ViewTintColor              = qglGetUniformLocation(p->program, "ViewTintColor");
1144                 p->loc_ViewToLight                = qglGetUniformLocation(p->program, "ViewToLight");
1145                 p->loc_ModelToLight               = qglGetUniformLocation(p->program, "ModelToLight");
1146                 p->loc_TexMatrix                  = qglGetUniformLocation(p->program, "TexMatrix");
1147                 p->loc_BackgroundTexMatrix        = qglGetUniformLocation(p->program, "BackgroundTexMatrix");
1148                 p->loc_ModelViewMatrix            = qglGetUniformLocation(p->program, "ModelViewMatrix");
1149                 p->loc_ModelViewProjectionMatrix  = qglGetUniformLocation(p->program, "ModelViewProjectionMatrix");
1150                 p->loc_PixelToScreenTexCoord      = qglGetUniformLocation(p->program, "PixelToScreenTexCoord");
1151                 p->loc_ModelToReflectCube         = qglGetUniformLocation(p->program, "ModelToReflectCube");
1152                 p->loc_ShadowMapMatrix            = qglGetUniformLocation(p->program, "ShadowMapMatrix");
1153                 p->loc_BloomColorSubtract         = qglGetUniformLocation(p->program, "BloomColorSubtract");
1154                 p->loc_NormalmapScrollBlend       = qglGetUniformLocation(p->program, "NormalmapScrollBlend");
1155                 p->loc_BounceGridMatrix           = qglGetUniformLocation(p->program, "BounceGridMatrix");
1156                 p->loc_BounceGridIntensity        = qglGetUniformLocation(p->program, "BounceGridIntensity");
1157                 // initialize the samplers to refer to the texture units we use
1158                 p->tex_Texture_First = -1;
1159                 p->tex_Texture_Second = -1;
1160                 p->tex_Texture_GammaRamps = -1;
1161                 p->tex_Texture_Normal = -1;
1162                 p->tex_Texture_Color = -1;
1163                 p->tex_Texture_Gloss = -1;
1164                 p->tex_Texture_Glow = -1;
1165                 p->tex_Texture_SecondaryNormal = -1;
1166                 p->tex_Texture_SecondaryColor = -1;
1167                 p->tex_Texture_SecondaryGloss = -1;
1168                 p->tex_Texture_SecondaryGlow = -1;
1169                 p->tex_Texture_Pants = -1;
1170                 p->tex_Texture_Shirt = -1;
1171                 p->tex_Texture_FogHeightTexture = -1;
1172                 p->tex_Texture_FogMask = -1;
1173                 p->tex_Texture_Lightmap = -1;
1174                 p->tex_Texture_Deluxemap = -1;
1175                 p->tex_Texture_Attenuation = -1;
1176                 p->tex_Texture_Cube = -1;
1177                 p->tex_Texture_Refraction = -1;
1178                 p->tex_Texture_Reflection = -1;
1179                 p->tex_Texture_ShadowMap2D = -1;
1180                 p->tex_Texture_CubeProjection = -1;
1181                 p->tex_Texture_ScreenDepth = -1;
1182                 p->tex_Texture_ScreenNormalMap = -1;
1183                 p->tex_Texture_ScreenDiffuse = -1;
1184                 p->tex_Texture_ScreenSpecular = -1;
1185                 p->tex_Texture_ReflectMask = -1;
1186                 p->tex_Texture_ReflectCube = -1;
1187                 p->tex_Texture_BounceGrid = -1;
1188                 sampler = 0;
1189                 if (p->loc_Texture_First           >= 0) {p->tex_Texture_First            = sampler;qglUniform1i(p->loc_Texture_First           , sampler);sampler++;}
1190                 if (p->loc_Texture_Second          >= 0) {p->tex_Texture_Second           = sampler;qglUniform1i(p->loc_Texture_Second          , sampler);sampler++;}
1191                 if (p->loc_Texture_GammaRamps      >= 0) {p->tex_Texture_GammaRamps       = sampler;qglUniform1i(p->loc_Texture_GammaRamps      , sampler);sampler++;}
1192                 if (p->loc_Texture_Normal          >= 0) {p->tex_Texture_Normal           = sampler;qglUniform1i(p->loc_Texture_Normal          , sampler);sampler++;}
1193                 if (p->loc_Texture_Color           >= 0) {p->tex_Texture_Color            = sampler;qglUniform1i(p->loc_Texture_Color           , sampler);sampler++;}
1194                 if (p->loc_Texture_Gloss           >= 0) {p->tex_Texture_Gloss            = sampler;qglUniform1i(p->loc_Texture_Gloss           , sampler);sampler++;}
1195                 if (p->loc_Texture_Glow            >= 0) {p->tex_Texture_Glow             = sampler;qglUniform1i(p->loc_Texture_Glow            , sampler);sampler++;}
1196                 if (p->loc_Texture_SecondaryNormal >= 0) {p->tex_Texture_SecondaryNormal  = sampler;qglUniform1i(p->loc_Texture_SecondaryNormal , sampler);sampler++;}
1197                 if (p->loc_Texture_SecondaryColor  >= 0) {p->tex_Texture_SecondaryColor   = sampler;qglUniform1i(p->loc_Texture_SecondaryColor  , sampler);sampler++;}
1198                 if (p->loc_Texture_SecondaryGloss  >= 0) {p->tex_Texture_SecondaryGloss   = sampler;qglUniform1i(p->loc_Texture_SecondaryGloss  , sampler);sampler++;}
1199                 if (p->loc_Texture_SecondaryGlow   >= 0) {p->tex_Texture_SecondaryGlow    = sampler;qglUniform1i(p->loc_Texture_SecondaryGlow   , sampler);sampler++;}
1200                 if (p->loc_Texture_Pants           >= 0) {p->tex_Texture_Pants            = sampler;qglUniform1i(p->loc_Texture_Pants           , sampler);sampler++;}
1201                 if (p->loc_Texture_Shirt           >= 0) {p->tex_Texture_Shirt            = sampler;qglUniform1i(p->loc_Texture_Shirt           , sampler);sampler++;}
1202                 if (p->loc_Texture_FogHeightTexture>= 0) {p->tex_Texture_FogHeightTexture = sampler;qglUniform1i(p->loc_Texture_FogHeightTexture, sampler);sampler++;}
1203                 if (p->loc_Texture_FogMask         >= 0) {p->tex_Texture_FogMask          = sampler;qglUniform1i(p->loc_Texture_FogMask         , sampler);sampler++;}
1204                 if (p->loc_Texture_Lightmap        >= 0) {p->tex_Texture_Lightmap         = sampler;qglUniform1i(p->loc_Texture_Lightmap        , sampler);sampler++;}
1205                 if (p->loc_Texture_Deluxemap       >= 0) {p->tex_Texture_Deluxemap        = sampler;qglUniform1i(p->loc_Texture_Deluxemap       , sampler);sampler++;}
1206                 if (p->loc_Texture_Attenuation     >= 0) {p->tex_Texture_Attenuation      = sampler;qglUniform1i(p->loc_Texture_Attenuation     , sampler);sampler++;}
1207                 if (p->loc_Texture_Cube            >= 0) {p->tex_Texture_Cube             = sampler;qglUniform1i(p->loc_Texture_Cube            , sampler);sampler++;}
1208                 if (p->loc_Texture_Refraction      >= 0) {p->tex_Texture_Refraction       = sampler;qglUniform1i(p->loc_Texture_Refraction      , sampler);sampler++;}
1209                 if (p->loc_Texture_Reflection      >= 0) {p->tex_Texture_Reflection       = sampler;qglUniform1i(p->loc_Texture_Reflection      , sampler);sampler++;}
1210                 if (p->loc_Texture_ShadowMap2D     >= 0) {p->tex_Texture_ShadowMap2D      = sampler;qglUniform1i(p->loc_Texture_ShadowMap2D     , sampler);sampler++;}
1211                 if (p->loc_Texture_CubeProjection  >= 0) {p->tex_Texture_CubeProjection   = sampler;qglUniform1i(p->loc_Texture_CubeProjection  , sampler);sampler++;}
1212                 if (p->loc_Texture_ScreenDepth     >= 0) {p->tex_Texture_ScreenDepth      = sampler;qglUniform1i(p->loc_Texture_ScreenDepth     , sampler);sampler++;}
1213                 if (p->loc_Texture_ScreenNormalMap >= 0) {p->tex_Texture_ScreenNormalMap  = sampler;qglUniform1i(p->loc_Texture_ScreenNormalMap , sampler);sampler++;}
1214                 if (p->loc_Texture_ScreenDiffuse   >= 0) {p->tex_Texture_ScreenDiffuse    = sampler;qglUniform1i(p->loc_Texture_ScreenDiffuse   , sampler);sampler++;}
1215                 if (p->loc_Texture_ScreenSpecular  >= 0) {p->tex_Texture_ScreenSpecular   = sampler;qglUniform1i(p->loc_Texture_ScreenSpecular  , sampler);sampler++;}
1216                 if (p->loc_Texture_ReflectMask     >= 0) {p->tex_Texture_ReflectMask      = sampler;qglUniform1i(p->loc_Texture_ReflectMask     , sampler);sampler++;}
1217                 if (p->loc_Texture_ReflectCube     >= 0) {p->tex_Texture_ReflectCube      = sampler;qglUniform1i(p->loc_Texture_ReflectCube     , sampler);sampler++;}
1218                 if (p->loc_Texture_BounceGrid      >= 0) {p->tex_Texture_BounceGrid       = sampler;qglUniform1i(p->loc_Texture_BounceGrid      , sampler);sampler++;}
1219                 CHECKGLERROR
1220                 Con_DPrintf("^5GLSL shader %s compiled (%i textures).\n", permutationname, sampler);
1221         }
1222         else
1223                 Con_Printf("^1GLSL shader %s failed!  some features may not work properly.\n", permutationname);
1224
1225         // free the strings
1226         if (vertexstring)
1227                 Mem_Free(vertexstring);
1228         if (geometrystring)
1229                 Mem_Free(geometrystring);
1230         if (fragmentstring)
1231                 Mem_Free(fragmentstring);
1232 }
1233
1234 void R_SetupShader_SetPermutationGLSL(unsigned int mode, unsigned int permutation)
1235 {
1236         r_glsl_permutation_t *perm = R_GLSL_FindPermutation(mode, permutation);
1237         if (r_glsl_permutation != perm)
1238         {
1239                 r_glsl_permutation = perm;
1240                 if (!r_glsl_permutation->program)
1241                 {
1242                         if (!r_glsl_permutation->compiled)
1243                                 R_GLSL_CompilePermutation(perm, mode, permutation);
1244                         if (!r_glsl_permutation->program)
1245                         {
1246                                 // remove features until we find a valid permutation
1247                                 int i;
1248                                 for (i = 0;i < SHADERPERMUTATION_COUNT;i++)
1249                                 {
1250                                         // reduce i more quickly whenever it would not remove any bits
1251                                         int j = 1<<(SHADERPERMUTATION_COUNT-1-i);
1252                                         if (!(permutation & j))
1253                                                 continue;
1254                                         permutation -= j;
1255                                         r_glsl_permutation = R_GLSL_FindPermutation(mode, permutation);
1256                                         if (!r_glsl_permutation->compiled)
1257                                                 R_GLSL_CompilePermutation(perm, mode, permutation);
1258                                         if (r_glsl_permutation->program)
1259                                                 break;
1260                                 }
1261                                 if (i >= SHADERPERMUTATION_COUNT)
1262                                 {
1263                                         //Con_Printf("Could not find a working OpenGL 2.0 shader for permutation %s %s\n", shadermodeinfo[mode].vertexfilename, shadermodeinfo[mode].pretext);
1264                                         r_glsl_permutation = R_GLSL_FindPermutation(mode, permutation);
1265                                         qglUseProgram(0);CHECKGLERROR
1266                                         return; // no bit left to clear, entire mode is broken
1267                                 }
1268                         }
1269                 }
1270                 CHECKGLERROR
1271                 qglUseProgram(r_glsl_permutation->program);CHECKGLERROR
1272         }
1273         if (r_glsl_permutation->loc_ModelViewProjectionMatrix >= 0) qglUniformMatrix4fv(r_glsl_permutation->loc_ModelViewProjectionMatrix, 1, false, gl_modelviewprojection16f);
1274         if (r_glsl_permutation->loc_ModelViewMatrix >= 0) qglUniformMatrix4fv(r_glsl_permutation->loc_ModelViewMatrix, 1, false, gl_modelview16f);
1275         if (r_glsl_permutation->loc_ClientTime >= 0) qglUniform1f(r_glsl_permutation->loc_ClientTime, cl.time);
1276 }
1277
1278 #ifdef SUPPORTD3D
1279
1280 #ifdef SUPPORTD3D
1281 #include <d3d9.h>
1282 extern LPDIRECT3DDEVICE9 vid_d3d9dev;
1283 extern D3DCAPS9 vid_d3d9caps;
1284 #endif
1285
1286 struct r_hlsl_permutation_s;
1287 typedef struct r_hlsl_permutation_s
1288 {
1289         /// hash lookup data
1290         struct r_hlsl_permutation_s *hashnext;
1291         unsigned int mode;
1292         unsigned int permutation;
1293
1294         /// indicates if we have tried compiling this permutation already
1295         qboolean compiled;
1296         /// NULL if compilation failed
1297         IDirect3DVertexShader9 *vertexshader;
1298         IDirect3DPixelShader9 *pixelshader;
1299 }
1300 r_hlsl_permutation_t;
1301
1302 typedef enum D3DVSREGISTER_e
1303 {
1304         D3DVSREGISTER_TexMatrix = 0, // float4x4
1305         D3DVSREGISTER_BackgroundTexMatrix = 4, // float4x4
1306         D3DVSREGISTER_ModelViewProjectionMatrix = 8, // float4x4
1307         D3DVSREGISTER_ModelViewMatrix = 12, // float4x4
1308         D3DVSREGISTER_ShadowMapMatrix = 16, // float4x4
1309         D3DVSREGISTER_ModelToLight = 20, // float4x4
1310         D3DVSREGISTER_EyePosition = 24,
1311         D3DVSREGISTER_FogPlane = 25,
1312         D3DVSREGISTER_LightDir = 26,
1313         D3DVSREGISTER_LightPosition = 27,
1314 }
1315 D3DVSREGISTER_t;
1316
1317 typedef enum D3DPSREGISTER_e
1318 {
1319         D3DPSREGISTER_Alpha = 0,
1320         D3DPSREGISTER_BloomBlur_Parameters = 1,
1321         D3DPSREGISTER_ClientTime = 2,
1322         D3DPSREGISTER_Color_Ambient = 3,
1323         D3DPSREGISTER_Color_Diffuse = 4,
1324         D3DPSREGISTER_Color_Specular = 5,
1325         D3DPSREGISTER_Color_Glow = 6,
1326         D3DPSREGISTER_Color_Pants = 7,
1327         D3DPSREGISTER_Color_Shirt = 8,
1328         D3DPSREGISTER_DeferredColor_Ambient = 9,
1329         D3DPSREGISTER_DeferredColor_Diffuse = 10,
1330         D3DPSREGISTER_DeferredColor_Specular = 11,
1331         D3DPSREGISTER_DeferredMod_Diffuse = 12,
1332         D3DPSREGISTER_DeferredMod_Specular = 13,
1333         D3DPSREGISTER_DistortScaleRefractReflect = 14,
1334         D3DPSREGISTER_EyePosition = 15, // unused
1335         D3DPSREGISTER_FogColor = 16,
1336         D3DPSREGISTER_FogHeightFade = 17,
1337         D3DPSREGISTER_FogPlane = 18,
1338         D3DPSREGISTER_FogPlaneViewDist = 19,
1339         D3DPSREGISTER_FogRangeRecip = 20,
1340         D3DPSREGISTER_LightColor = 21,
1341         D3DPSREGISTER_LightDir = 22, // unused
1342         D3DPSREGISTER_LightPosition = 23,
1343         D3DPSREGISTER_OffsetMapping_ScaleSteps = 24,
1344         D3DPSREGISTER_PixelSize = 25,
1345         D3DPSREGISTER_ReflectColor = 26,
1346         D3DPSREGISTER_ReflectFactor = 27,
1347         D3DPSREGISTER_ReflectOffset = 28,
1348         D3DPSREGISTER_RefractColor = 29,
1349         D3DPSREGISTER_Saturation = 30,
1350         D3DPSREGISTER_ScreenCenterRefractReflect = 31,
1351         D3DPSREGISTER_ScreenScaleRefractReflect = 32,
1352         D3DPSREGISTER_ScreenToDepth = 33,
1353         D3DPSREGISTER_ShadowMap_Parameters = 34,
1354         D3DPSREGISTER_ShadowMap_TextureScale = 35,
1355         D3DPSREGISTER_SpecularPower = 36,
1356         D3DPSREGISTER_UserVec1 = 37,
1357         D3DPSREGISTER_UserVec2 = 38,
1358         D3DPSREGISTER_UserVec3 = 39,
1359         D3DPSREGISTER_UserVec4 = 40,
1360         D3DPSREGISTER_ViewTintColor = 41,
1361         D3DPSREGISTER_PixelToScreenTexCoord = 42,
1362         D3DPSREGISTER_BloomColorSubtract = 43,
1363         D3DPSREGISTER_ViewToLight = 44, // float4x4
1364         D3DPSREGISTER_ModelToReflectCube = 48, // float4x4
1365         D3DPSREGISTER_NormalmapScrollBlend = 52,
1366         D3DPSREGISTER_OffsetMapping_LodDistance = 53,
1367         D3DPSREGISTER_OffsetMapping_Bias = 54,
1368         // next at 54
1369 }
1370 D3DPSREGISTER_t;
1371
1372 /// information about each possible shader permutation
1373 r_hlsl_permutation_t *r_hlsl_permutationhash[SHADERMODE_COUNT][SHADERPERMUTATION_HASHSIZE];
1374 /// currently selected permutation
1375 r_hlsl_permutation_t *r_hlsl_permutation;
1376 /// storage for permutations linked in the hash table
1377 memexpandablearray_t r_hlsl_permutationarray;
1378
1379 static r_hlsl_permutation_t *R_HLSL_FindPermutation(unsigned int mode, unsigned int permutation)
1380 {
1381         //unsigned int hashdepth = 0;
1382         unsigned int hashindex = (permutation * 0x1021) & (SHADERPERMUTATION_HASHSIZE - 1);
1383         r_hlsl_permutation_t *p;
1384         for (p = r_hlsl_permutationhash[mode][hashindex];p;p = p->hashnext)
1385         {
1386                 if (p->mode == mode && p->permutation == permutation)
1387                 {
1388                         //if (hashdepth > 10)
1389                         //      Con_Printf("R_HLSL_FindPermutation: Warning: %i:%i has hashdepth %i\n", mode, permutation, hashdepth);
1390                         return p;
1391                 }
1392                 //hashdepth++;
1393         }
1394         p = (r_hlsl_permutation_t*)Mem_ExpandableArray_AllocRecord(&r_hlsl_permutationarray);
1395         p->mode = mode;
1396         p->permutation = permutation;
1397         p->hashnext = r_hlsl_permutationhash[mode][hashindex];
1398         r_hlsl_permutationhash[mode][hashindex] = p;
1399         //if (hashdepth > 10)
1400         //      Con_Printf("R_HLSL_FindPermutation: Warning: %i:%i has hashdepth %i\n", mode, permutation, hashdepth);
1401         return p;
1402 }
1403
1404 static char *R_HLSL_GetText(const char *filename, qboolean printfromdisknotice)
1405 {
1406         char *shaderstring;
1407         if (!filename || !filename[0])
1408                 return NULL;
1409         if (!strcmp(filename, "hlsl/default.hlsl"))
1410         {
1411                 if (!hlslshaderstring)
1412                 {
1413                         hlslshaderstring = (char *)FS_LoadFile(filename, r_main_mempool, false, NULL);
1414                         if (hlslshaderstring)
1415                                 Con_DPrintf("Loading shaders from file %s...\n", filename);
1416                         else
1417                                 hlslshaderstring = (char *)builtinhlslshaderstring;
1418                 }
1419                 shaderstring = (char *) Mem_Alloc(r_main_mempool, strlen(hlslshaderstring) + 1);
1420                 memcpy(shaderstring, hlslshaderstring, strlen(hlslshaderstring) + 1);
1421                 return shaderstring;
1422         }
1423         shaderstring = (char *)FS_LoadFile(filename, r_main_mempool, false, NULL);
1424         if (shaderstring)
1425         {
1426                 if (printfromdisknotice)
1427                         Con_DPrintf("from disk %s... ", filename);
1428                 return shaderstring;
1429         }
1430         return shaderstring;
1431 }
1432
1433 #include <d3dx9.h>
1434 //#include <d3dx9shader.h>
1435 //#include <d3dx9mesh.h>
1436
1437 static void R_HLSL_CacheShader(r_hlsl_permutation_t *p, const char *cachename, const char *vertstring, const char *fragstring)
1438 {
1439         DWORD *vsbin = NULL;
1440         DWORD *psbin = NULL;
1441         fs_offset_t vsbinsize;
1442         fs_offset_t psbinsize;
1443 //      IDirect3DVertexShader9 *vs = NULL;
1444 //      IDirect3DPixelShader9 *ps = NULL;
1445         ID3DXBuffer *vslog = NULL;
1446         ID3DXBuffer *vsbuffer = NULL;
1447         ID3DXConstantTable *vsconstanttable = NULL;
1448         ID3DXBuffer *pslog = NULL;
1449         ID3DXBuffer *psbuffer = NULL;
1450         ID3DXConstantTable *psconstanttable = NULL;
1451         int vsresult = 0;
1452         int psresult = 0;
1453         char temp[MAX_INPUTLINE];
1454         const char *vsversion = "vs_3_0", *psversion = "ps_3_0";
1455         qboolean debugshader = gl_paranoid.integer != 0;
1456         if (p->permutation & SHADERPERMUTATION_OFFSETMAPPING) {vsversion = "vs_3_0";psversion = "ps_3_0";}
1457         if (p->permutation & SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING) {vsversion = "vs_3_0";psversion = "ps_3_0";}
1458         if (!debugshader)
1459         {
1460                 vsbin = (DWORD *)FS_LoadFile(va("%s.vsbin", cachename), r_main_mempool, true, &vsbinsize);
1461                 psbin = (DWORD *)FS_LoadFile(va("%s.psbin", cachename), r_main_mempool, true, &psbinsize);
1462         }
1463         if ((!vsbin && vertstring) || (!psbin && fragstring))
1464         {
1465                 const char* dllnames_d3dx9 [] =
1466                 {
1467                         "d3dx9_43.dll",
1468                         "d3dx9_42.dll",
1469                         "d3dx9_41.dll",
1470                         "d3dx9_40.dll",
1471                         "d3dx9_39.dll",
1472                         "d3dx9_38.dll",
1473                         "d3dx9_37.dll",
1474                         "d3dx9_36.dll",
1475                         "d3dx9_35.dll",
1476                         "d3dx9_34.dll",
1477                         "d3dx9_33.dll",
1478                         "d3dx9_32.dll",
1479                         "d3dx9_31.dll",
1480                         "d3dx9_30.dll",
1481                         "d3dx9_29.dll",
1482                         "d3dx9_28.dll",
1483                         "d3dx9_27.dll",
1484                         "d3dx9_26.dll",
1485                         "d3dx9_25.dll",
1486                         "d3dx9_24.dll",
1487                         NULL
1488                 };
1489                 dllhandle_t d3dx9_dll = NULL;
1490                 HRESULT (WINAPI *qD3DXCompileShaderFromFileA)(LPCSTR pSrcFile, CONST D3DXMACRO* pDefines, LPD3DXINCLUDE pInclude, LPCSTR pFunctionName, LPCSTR pProfile, DWORD Flags, LPD3DXBUFFER* ppShader, LPD3DXBUFFER* ppErrorMsgs, LPD3DXCONSTANTTABLE* ppConstantTable);
1491                 HRESULT (WINAPI *qD3DXPreprocessShader)(LPCSTR pSrcData, UINT SrcDataSize, CONST D3DXMACRO* pDefines, LPD3DXINCLUDE pInclude, LPD3DXBUFFER* ppShaderText, LPD3DXBUFFER* ppErrorMsgs);
1492                 HRESULT (WINAPI *qD3DXCompileShader)(LPCSTR pSrcData, UINT SrcDataLen, CONST D3DXMACRO* pDefines, LPD3DXINCLUDE pInclude, LPCSTR pFunctionName, LPCSTR pProfile, DWORD Flags, LPD3DXBUFFER* ppShader, LPD3DXBUFFER* ppErrorMsgs, LPD3DXCONSTANTTABLE* ppConstantTable);
1493                 dllfunction_t d3dx9_dllfuncs[] =
1494                 {
1495                         {"D3DXCompileShaderFromFileA",  (void **) &qD3DXCompileShaderFromFileA},
1496                         {"D3DXPreprocessShader",                (void **) &qD3DXPreprocessShader},
1497                         {"D3DXCompileShader",                   (void **) &qD3DXCompileShader},
1498                         {NULL, NULL}
1499                 };
1500                 if (Sys_LoadLibrary(dllnames_d3dx9, &d3dx9_dll, d3dx9_dllfuncs))
1501                 {
1502                         DWORD shaderflags = 0;
1503                         if (debugshader)
1504                                 shaderflags = D3DXSHADER_DEBUG | D3DXSHADER_SKIPOPTIMIZATION;
1505                         vsbin = (DWORD *)Mem_Realloc(tempmempool, vsbin, 0);
1506                         psbin = (DWORD *)Mem_Realloc(tempmempool, psbin, 0);
1507                         if (vertstring && vertstring[0])
1508                         {
1509                                 if (debugshader)
1510                                 {
1511 //                                      vsresult = qD3DXPreprocessShader(vertstring, strlen(vertstring), NULL, NULL, &vsbuffer, &vslog);
1512 //                                      FS_WriteFile(va("%s_vs.fx", cachename), vsbuffer->GetBufferPointer(), vsbuffer->GetBufferSize());
1513                                         FS_WriteFile(va("%s_vs.fx", cachename), vertstring, strlen(vertstring));
1514                                         vsresult = qD3DXCompileShaderFromFileA(va("%s/%s_vs.fx", fs_gamedir, cachename), NULL, NULL, "main", vsversion, shaderflags, &vsbuffer, &vslog, &vsconstanttable);
1515                                 }
1516                                 else
1517                                         vsresult = qD3DXCompileShader(vertstring, strlen(vertstring), NULL, NULL, "main", vsversion, shaderflags, &vsbuffer, &vslog, &vsconstanttable);
1518                                 if (vsbuffer)
1519                                 {
1520                                         vsbinsize = vsbuffer->GetBufferSize();
1521                                         vsbin = (DWORD *)Mem_Alloc(tempmempool, vsbinsize);
1522                                         memcpy(vsbin, vsbuffer->GetBufferPointer(), vsbinsize);
1523                                         vsbuffer->Release();
1524                                 }
1525                                 if (vslog)
1526                                 {
1527                                         strlcpy(temp, (const char *)vslog->GetBufferPointer(), min(sizeof(temp), vslog->GetBufferSize()));
1528                                         Con_DPrintf("HLSL vertex shader compile output for %s follows:\n%s\n", cachename, temp);
1529                                         vslog->Release();
1530                                 }
1531                         }
1532                         if (fragstring && fragstring[0])
1533                         {
1534                                 if (debugshader)
1535                                 {
1536 //                                      psresult = qD3DXPreprocessShader(fragstring, strlen(fragstring), NULL, NULL, &psbuffer, &pslog);
1537 //                                      FS_WriteFile(va("%s_ps.fx", cachename), psbuffer->GetBufferPointer(), psbuffer->GetBufferSize());
1538                                         FS_WriteFile(va("%s_ps.fx", cachename), fragstring, strlen(fragstring));
1539                                         psresult = qD3DXCompileShaderFromFileA(va("%s/%s_ps.fx", fs_gamedir, cachename), NULL, NULL, "main", psversion, shaderflags, &psbuffer, &pslog, &psconstanttable);
1540                                 }
1541                                 else
1542                                         psresult = qD3DXCompileShader(fragstring, strlen(fragstring), NULL, NULL, "main", psversion, shaderflags, &psbuffer, &pslog, &psconstanttable);
1543                                 if (psbuffer)
1544                                 {
1545                                         psbinsize = psbuffer->GetBufferSize();
1546                                         psbin = (DWORD *)Mem_Alloc(tempmempool, psbinsize);
1547                                         memcpy(psbin, psbuffer->GetBufferPointer(), psbinsize);
1548                                         psbuffer->Release();
1549                                 }
1550                                 if (pslog)
1551                                 {
1552                                         strlcpy(temp, (const char *)pslog->GetBufferPointer(), min(sizeof(temp), pslog->GetBufferSize()));
1553                                         Con_DPrintf("HLSL pixel shader compile output for %s follows:\n%s\n", cachename, temp);
1554                                         pslog->Release();
1555                                 }
1556                         }
1557                         Sys_UnloadLibrary(&d3dx9_dll);
1558                 }
1559                 else
1560                         Con_DPrintf("Unable to compile shader - D3DXCompileShader function not found\n");
1561         }
1562         if (vsbin && psbin)
1563         {
1564                 vsresult = IDirect3DDevice9_CreateVertexShader(vid_d3d9dev, vsbin, &p->vertexshader);
1565                 if (FAILED(vsresult))
1566                         Con_DPrintf("HLSL CreateVertexShader failed for %s (hresult = %8x)\n", cachename, vsresult);
1567                 psresult = IDirect3DDevice9_CreatePixelShader(vid_d3d9dev, psbin, &p->pixelshader);
1568                 if (FAILED(psresult))
1569                         Con_DPrintf("HLSL CreatePixelShader failed for %s (hresult = %8x)\n", cachename, psresult);
1570         }
1571         // free the shader data
1572         vsbin = (DWORD *)Mem_Realloc(tempmempool, vsbin, 0);
1573         psbin = (DWORD *)Mem_Realloc(tempmempool, psbin, 0);
1574 }
1575
1576 static void R_HLSL_CompilePermutation(r_hlsl_permutation_t *p, unsigned int mode, unsigned int permutation)
1577 {
1578         int i;
1579         shadermodeinfo_t *modeinfo = hlslshadermodeinfo + mode;
1580         int vertstring_length = 0;
1581         int geomstring_length = 0;
1582         int fragstring_length = 0;
1583         char *t;
1584         char *vertexstring, *geometrystring, *fragmentstring;
1585         char *vertstring, *geomstring, *fragstring;
1586         char permutationname[256];
1587         char cachename[256];
1588         int vertstrings_count = 0;
1589         int geomstrings_count = 0;
1590         int fragstrings_count = 0;
1591         const char *vertstrings_list[32+3+SHADERSTATICPARMS_COUNT+1];
1592         const char *geomstrings_list[32+3+SHADERSTATICPARMS_COUNT+1];
1593         const char *fragstrings_list[32+3+SHADERSTATICPARMS_COUNT+1];
1594
1595         if (p->compiled)
1596                 return;
1597         p->compiled = true;
1598         p->vertexshader = NULL;
1599         p->pixelshader = NULL;
1600
1601         permutationname[0] = 0;
1602         cachename[0] = 0;
1603         vertexstring   = R_HLSL_GetText(modeinfo->vertexfilename, true);
1604         geometrystring = R_HLSL_GetText(modeinfo->geometryfilename, false);
1605         fragmentstring = R_HLSL_GetText(modeinfo->fragmentfilename, false);
1606
1607         strlcat(permutationname, modeinfo->vertexfilename, sizeof(permutationname));
1608         strlcat(cachename, "hlsl/", sizeof(cachename));
1609
1610         // define HLSL so that the shader can tell apart the HLSL compiler and the Cg compiler
1611         vertstrings_count = 0;
1612         geomstrings_count = 0;
1613         fragstrings_count = 0;
1614         vertstrings_list[vertstrings_count++] = "#define HLSL\n";
1615         geomstrings_list[geomstrings_count++] = "#define HLSL\n";
1616         fragstrings_list[fragstrings_count++] = "#define HLSL\n";
1617
1618         // the first pretext is which type of shader to compile as
1619         // (later these will all be bound together as a program object)
1620         vertstrings_list[vertstrings_count++] = "#define VERTEX_SHADER\n";
1621         geomstrings_list[geomstrings_count++] = "#define GEOMETRY_SHADER\n";
1622         fragstrings_list[fragstrings_count++] = "#define FRAGMENT_SHADER\n";
1623
1624         // the second pretext is the mode (for example a light source)
1625         vertstrings_list[vertstrings_count++] = modeinfo->pretext;
1626         geomstrings_list[geomstrings_count++] = modeinfo->pretext;
1627         fragstrings_list[fragstrings_count++] = modeinfo->pretext;
1628         strlcat(permutationname, modeinfo->name, sizeof(permutationname));
1629         strlcat(cachename, modeinfo->name, sizeof(cachename));
1630
1631         // now add all the permutation pretexts
1632         for (i = 0;i < SHADERPERMUTATION_COUNT;i++)
1633         {
1634                 if (permutation & (1<<i))
1635                 {
1636                         vertstrings_list[vertstrings_count++] = shaderpermutationinfo[i].pretext;
1637                         geomstrings_list[geomstrings_count++] = shaderpermutationinfo[i].pretext;
1638                         fragstrings_list[fragstrings_count++] = shaderpermutationinfo[i].pretext;
1639                         strlcat(permutationname, shaderpermutationinfo[i].name, sizeof(permutationname));
1640                         strlcat(cachename, shaderpermutationinfo[i].name, sizeof(cachename));
1641                 }
1642                 else
1643                 {
1644                         // keep line numbers correct
1645                         vertstrings_list[vertstrings_count++] = "\n";
1646                         geomstrings_list[geomstrings_count++] = "\n";
1647                         fragstrings_list[fragstrings_count++] = "\n";
1648                 }
1649         }
1650
1651         // add static parms
1652         R_CompileShader_AddStaticParms(mode, permutation);
1653         memcpy(vertstrings_list + vertstrings_count, shaderstaticparmstrings_list, sizeof(*vertstrings_list) * shaderstaticparms_count);
1654         vertstrings_count += shaderstaticparms_count;
1655         memcpy(geomstrings_list + geomstrings_count, shaderstaticparmstrings_list, sizeof(*vertstrings_list) * shaderstaticparms_count);
1656         geomstrings_count += shaderstaticparms_count;
1657         memcpy(fragstrings_list + fragstrings_count, shaderstaticparmstrings_list, sizeof(*vertstrings_list) * shaderstaticparms_count);
1658         fragstrings_count += shaderstaticparms_count;
1659
1660         // replace spaces in the cachename with _ characters
1661         for (i = 0;cachename[i];i++)
1662                 if (cachename[i] == ' ')
1663                         cachename[i] = '_';
1664
1665         // now append the shader text itself
1666         vertstrings_list[vertstrings_count++] = vertexstring;
1667         geomstrings_list[geomstrings_count++] = geometrystring;
1668         fragstrings_list[fragstrings_count++] = fragmentstring;
1669
1670         // if any sources were NULL, clear the respective list
1671         if (!vertexstring)
1672                 vertstrings_count = 0;
1673         if (!geometrystring)
1674                 geomstrings_count = 0;
1675         if (!fragmentstring)
1676                 fragstrings_count = 0;
1677
1678         vertstring_length = 0;
1679         for (i = 0;i < vertstrings_count;i++)
1680                 vertstring_length += strlen(vertstrings_list[i]);
1681         vertstring = t = (char *)Mem_Alloc(tempmempool, vertstring_length + 1);
1682         for (i = 0;i < vertstrings_count;t += strlen(vertstrings_list[i]), i++)
1683                 memcpy(t, vertstrings_list[i], strlen(vertstrings_list[i]));
1684
1685         geomstring_length = 0;
1686         for (i = 0;i < geomstrings_count;i++)
1687                 geomstring_length += strlen(geomstrings_list[i]);
1688         geomstring = t = (char *)Mem_Alloc(tempmempool, geomstring_length + 1);
1689         for (i = 0;i < geomstrings_count;t += strlen(geomstrings_list[i]), i++)
1690                 memcpy(t, geomstrings_list[i], strlen(geomstrings_list[i]));
1691
1692         fragstring_length = 0;
1693         for (i = 0;i < fragstrings_count;i++)
1694                 fragstring_length += strlen(fragstrings_list[i]);
1695         fragstring = t = (char *)Mem_Alloc(tempmempool, fragstring_length + 1);
1696         for (i = 0;i < fragstrings_count;t += strlen(fragstrings_list[i]), i++)
1697                 memcpy(t, fragstrings_list[i], strlen(fragstrings_list[i]));
1698
1699         // try to load the cached shader, or generate one
1700         R_HLSL_CacheShader(p, cachename, vertstring, fragstring);
1701
1702         if ((p->vertexshader || !vertstring[0]) && (p->pixelshader || !fragstring[0]))
1703                 Con_DPrintf("^5HLSL shader %s compiled.\n", permutationname);
1704         else
1705                 Con_Printf("^1HLSL shader %s failed!  some features may not work properly.\n", permutationname);
1706
1707         // free the strings
1708         if (vertstring)
1709                 Mem_Free(vertstring);
1710         if (geomstring)
1711                 Mem_Free(geomstring);
1712         if (fragstring)
1713                 Mem_Free(fragstring);
1714         if (vertexstring)
1715                 Mem_Free(vertexstring);
1716         if (geometrystring)
1717                 Mem_Free(geometrystring);
1718         if (fragmentstring)
1719                 Mem_Free(fragmentstring);
1720 }
1721
1722 static inline void hlslVSSetParameter16f(D3DVSREGISTER_t r, const float *a) {IDirect3DDevice9_SetVertexShaderConstantF(vid_d3d9dev, r, a, 4);}
1723 static inline void hlslVSSetParameter4fv(D3DVSREGISTER_t r, const float *a) {IDirect3DDevice9_SetVertexShaderConstantF(vid_d3d9dev, r, a, 1);}
1724 static inline void hlslVSSetParameter4f(D3DVSREGISTER_t r, float x, float y, float z, float w) {float temp[4];Vector4Set(temp, x, y, z, w);IDirect3DDevice9_SetVertexShaderConstantF(vid_d3d9dev, r, temp, 1);}
1725 static inline void hlslVSSetParameter3f(D3DVSREGISTER_t r, float x, float y, float z) {float temp[4];Vector4Set(temp, x, y, z, 0);IDirect3DDevice9_SetVertexShaderConstantF(vid_d3d9dev, r, temp, 1);}
1726 static inline void hlslVSSetParameter2f(D3DVSREGISTER_t r, float x, float y) {float temp[4];Vector4Set(temp, x, y, 0, 0);IDirect3DDevice9_SetVertexShaderConstantF(vid_d3d9dev, r, temp, 1);}
1727 static inline void hlslVSSetParameter1f(D3DVSREGISTER_t r, float x) {float temp[4];Vector4Set(temp, x, 0, 0, 0);IDirect3DDevice9_SetVertexShaderConstantF(vid_d3d9dev, r, temp, 1);}
1728
1729 static inline void hlslPSSetParameter16f(D3DPSREGISTER_t r, const float *a) {IDirect3DDevice9_SetPixelShaderConstantF(vid_d3d9dev, r, a, 4);}
1730 static inline void hlslPSSetParameter4fv(D3DPSREGISTER_t r, const float *a) {IDirect3DDevice9_SetPixelShaderConstantF(vid_d3d9dev, r, a, 1);}
1731 static inline void hlslPSSetParameter4f(D3DPSREGISTER_t r, float x, float y, float z, float w) {float temp[4];Vector4Set(temp, x, y, z, w);IDirect3DDevice9_SetPixelShaderConstantF(vid_d3d9dev, r, temp, 1);}
1732 static inline void hlslPSSetParameter3f(D3DPSREGISTER_t r, float x, float y, float z) {float temp[4];Vector4Set(temp, x, y, z, 0);IDirect3DDevice9_SetPixelShaderConstantF(vid_d3d9dev, r, temp, 1);}
1733 static inline void hlslPSSetParameter2f(D3DPSREGISTER_t r, float x, float y) {float temp[4];Vector4Set(temp, x, y, 0, 0);IDirect3DDevice9_SetPixelShaderConstantF(vid_d3d9dev, r, temp, 1);}
1734 static inline void hlslPSSetParameter1f(D3DPSREGISTER_t r, float x) {float temp[4];Vector4Set(temp, x, 0, 0, 0);IDirect3DDevice9_SetPixelShaderConstantF(vid_d3d9dev, r, temp, 1);}
1735
1736 void R_SetupShader_SetPermutationHLSL(unsigned int mode, unsigned int permutation)
1737 {
1738         r_hlsl_permutation_t *perm = R_HLSL_FindPermutation(mode, permutation);
1739         if (r_hlsl_permutation != perm)
1740         {
1741                 r_hlsl_permutation = perm;
1742                 if (!r_hlsl_permutation->vertexshader && !r_hlsl_permutation->pixelshader)
1743                 {
1744                         if (!r_hlsl_permutation->compiled)
1745                                 R_HLSL_CompilePermutation(perm, mode, permutation);
1746                         if (!r_hlsl_permutation->vertexshader && !r_hlsl_permutation->pixelshader)
1747                         {
1748                                 // remove features until we find a valid permutation
1749                                 int i;
1750                                 for (i = 0;i < SHADERPERMUTATION_COUNT;i++)
1751                                 {
1752                                         // reduce i more quickly whenever it would not remove any bits
1753                                         int j = 1<<(SHADERPERMUTATION_COUNT-1-i);
1754                                         if (!(permutation & j))
1755                                                 continue;
1756                                         permutation -= j;
1757                                         r_hlsl_permutation = R_HLSL_FindPermutation(mode, permutation);
1758                                         if (!r_hlsl_permutation->compiled)
1759                                                 R_HLSL_CompilePermutation(perm, mode, permutation);
1760                                         if (r_hlsl_permutation->vertexshader || r_hlsl_permutation->pixelshader)
1761                                                 break;
1762                                 }
1763                                 if (i >= SHADERPERMUTATION_COUNT)
1764                                 {
1765                                         //Con_Printf("Could not find a working HLSL shader for permutation %s %s\n", shadermodeinfo[mode].vertexfilename, shadermodeinfo[mode].pretext);
1766                                         r_hlsl_permutation = R_HLSL_FindPermutation(mode, permutation);
1767                                         return; // no bit left to clear, entire mode is broken
1768                                 }
1769                         }
1770                 }
1771                 IDirect3DDevice9_SetVertexShader(vid_d3d9dev, r_hlsl_permutation->vertexshader);
1772                 IDirect3DDevice9_SetPixelShader(vid_d3d9dev, r_hlsl_permutation->pixelshader);
1773         }
1774         hlslVSSetParameter16f(D3DVSREGISTER_ModelViewProjectionMatrix, gl_modelviewprojection16f);
1775         hlslVSSetParameter16f(D3DVSREGISTER_ModelViewMatrix, gl_modelview16f);
1776         hlslPSSetParameter1f(D3DPSREGISTER_ClientTime, cl.time);
1777 }
1778 #endif
1779
1780 void R_SetupShader_SetPermutationSoft(unsigned int mode, unsigned int permutation)
1781 {
1782         DPSOFTRAST_SetShader(mode, permutation, r_shadow_glossexact.integer);
1783         DPSOFTRAST_UniformMatrix4fv(DPSOFTRAST_UNIFORM_ModelViewProjectionMatrixM1, 1, false, gl_modelviewprojection16f);
1784         DPSOFTRAST_UniformMatrix4fv(DPSOFTRAST_UNIFORM_ModelViewMatrixM1, 1, false, gl_modelview16f);
1785         DPSOFTRAST_Uniform1f(DPSOFTRAST_UNIFORM_ClientTime, cl.time);
1786 }
1787
1788 void R_GLSL_Restart_f(void)
1789 {
1790         unsigned int i, limit;
1791         if (glslshaderstring && glslshaderstring != builtinshaderstring)
1792                 Mem_Free(glslshaderstring);
1793         glslshaderstring = NULL;
1794         if (hlslshaderstring && hlslshaderstring != builtinhlslshaderstring)
1795                 Mem_Free(hlslshaderstring);
1796         hlslshaderstring = NULL;
1797         switch(vid.renderpath)
1798         {
1799         case RENDERPATH_D3D9:
1800 #ifdef SUPPORTD3D
1801                 {
1802                         r_hlsl_permutation_t *p;
1803                         r_hlsl_permutation = NULL;
1804                         limit = Mem_ExpandableArray_IndexRange(&r_hlsl_permutationarray);
1805                         for (i = 0;i < limit;i++)
1806                         {
1807                                 if ((p = (r_hlsl_permutation_t*)Mem_ExpandableArray_RecordAtIndex(&r_hlsl_permutationarray, i)))
1808                                 {
1809                                         if (p->vertexshader)
1810                                                 IDirect3DVertexShader9_Release(p->vertexshader);
1811                                         if (p->pixelshader)
1812                                                 IDirect3DPixelShader9_Release(p->pixelshader);
1813                                         Mem_ExpandableArray_FreeRecord(&r_hlsl_permutationarray, (void*)p);
1814                                 }
1815                         }
1816                         memset(r_hlsl_permutationhash, 0, sizeof(r_hlsl_permutationhash));
1817                 }
1818 #endif
1819                 break;
1820         case RENDERPATH_D3D10:
1821                 Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
1822                 break;
1823         case RENDERPATH_D3D11:
1824                 Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
1825                 break;
1826         case RENDERPATH_GL20:
1827         case RENDERPATH_GLES2:
1828                 {
1829                         r_glsl_permutation_t *p;
1830                         r_glsl_permutation = NULL;
1831                         limit = Mem_ExpandableArray_IndexRange(&r_glsl_permutationarray);
1832                         for (i = 0;i < limit;i++)
1833                         {
1834                                 if ((p = (r_glsl_permutation_t*)Mem_ExpandableArray_RecordAtIndex(&r_glsl_permutationarray, i)))
1835                                 {
1836                                         GL_Backend_FreeProgram(p->program);
1837                                         Mem_ExpandableArray_FreeRecord(&r_glsl_permutationarray, (void*)p);
1838                                 }
1839                         }
1840                         memset(r_glsl_permutationhash, 0, sizeof(r_glsl_permutationhash));
1841                 }
1842                 break;
1843         case RENDERPATH_GL11:
1844         case RENDERPATH_GL13:
1845         case RENDERPATH_GLES1:
1846                 break;
1847         case RENDERPATH_SOFT:
1848                 break;
1849         }
1850 }
1851
1852 void R_GLSL_DumpShader_f(void)
1853 {
1854         int i;
1855         qfile_t *file;
1856
1857         file = FS_OpenRealFile("glsl/default.glsl", "w", false);
1858         if (file)
1859         {
1860                 FS_Print(file, "/* The engine may define the following macros:\n");
1861                 FS_Print(file, "#define VERTEX_SHADER\n#define GEOMETRY_SHADER\n#define FRAGMENT_SHADER\n");
1862                 for (i = 0;i < SHADERMODE_COUNT;i++)
1863                         FS_Print(file, glslshadermodeinfo[i].pretext);
1864                 for (i = 0;i < SHADERPERMUTATION_COUNT;i++)
1865                         FS_Print(file, shaderpermutationinfo[i].pretext);
1866                 FS_Print(file, "*/\n");
1867                 FS_Print(file, builtinshaderstring);
1868                 FS_Close(file);
1869                 Con_Printf("glsl/default.glsl written\n");
1870         }
1871         else
1872                 Con_Printf("failed to write to glsl/default.glsl\n");
1873
1874         file = FS_OpenRealFile("hlsl/default.hlsl", "w", false);
1875         if (file)
1876         {
1877                 FS_Print(file, "/* The engine may define the following macros:\n");
1878                 FS_Print(file, "#define VERTEX_SHADER\n#define GEOMETRY_SHADER\n#define FRAGMENT_SHADER\n");
1879                 for (i = 0;i < SHADERMODE_COUNT;i++)
1880                         FS_Print(file, hlslshadermodeinfo[i].pretext);
1881                 for (i = 0;i < SHADERPERMUTATION_COUNT;i++)
1882                         FS_Print(file, shaderpermutationinfo[i].pretext);
1883                 FS_Print(file, "*/\n");
1884                 FS_Print(file, builtinhlslshaderstring);
1885                 FS_Close(file);
1886                 Con_Printf("hlsl/default.hlsl written\n");
1887         }
1888         else
1889                 Con_Printf("failed to write to hlsl/default.hlsl\n");
1890 }
1891
1892 void R_SetupShader_Generic(rtexture_t *first, rtexture_t *second, int texturemode, int rgbscale, qboolean usegamma, qboolean notrippy, qboolean suppresstexalpha)
1893 {
1894         unsigned int permutation = 0;
1895         if (r_trippy.integer && !notrippy)
1896                 permutation |= SHADERPERMUTATION_TRIPPY;
1897         permutation |= SHADERPERMUTATION_VIEWTINT;
1898         if (first)
1899                 permutation |= SHADERPERMUTATION_DIFFUSE;
1900         if (second)
1901                 permutation |= SHADERPERMUTATION_SPECULAR;
1902         if (texturemode == GL_MODULATE)
1903                 permutation |= SHADERPERMUTATION_COLORMAPPING;
1904         else if (texturemode == GL_ADD)
1905                 permutation |= SHADERPERMUTATION_GLOW;
1906         else if (texturemode == GL_DECAL)
1907                 permutation |= SHADERPERMUTATION_VERTEXTEXTUREBLEND;
1908         if (usegamma && v_glslgamma.integer && v_glslgamma_2d.integer && !vid.sRGB2D && r_texture_gammaramps && !vid_gammatables_trivial)
1909                 permutation |= SHADERPERMUTATION_GAMMARAMPS;
1910         if (suppresstexalpha)
1911                 permutation |= SHADERPERMUTATION_REFLECTCUBE;
1912         if (!second)
1913                 texturemode = GL_MODULATE;
1914         if (vid.allowalphatocoverage)
1915                 GL_AlphaToCoverage(false);
1916         switch (vid.renderpath)
1917         {
1918         case RENDERPATH_D3D9:
1919 #ifdef SUPPORTD3D
1920                 R_SetupShader_SetPermutationHLSL(SHADERMODE_GENERIC, permutation);
1921                 R_Mesh_TexBind(GL20TU_FIRST , first );
1922                 R_Mesh_TexBind(GL20TU_SECOND, second);
1923                 if (permutation & SHADERPERMUTATION_GAMMARAMPS)
1924                         R_Mesh_TexBind(r_glsl_permutation->tex_Texture_GammaRamps, r_texture_gammaramps);
1925 #endif
1926                 break;
1927         case RENDERPATH_D3D10:
1928                 Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
1929                 break;
1930         case RENDERPATH_D3D11:
1931                 Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
1932                 break;
1933         case RENDERPATH_GL20:
1934         case RENDERPATH_GLES2:
1935                 R_SetupShader_SetPermutationGLSL(SHADERMODE_GENERIC, permutation);
1936                 R_Mesh_TexBind(r_glsl_permutation->tex_Texture_First , first );
1937                 R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Second, second);
1938                 if (r_glsl_permutation->tex_Texture_GammaRamps >= 0)
1939                         R_Mesh_TexBind(r_glsl_permutation->tex_Texture_GammaRamps, r_texture_gammaramps);
1940                 break;
1941         case RENDERPATH_GL13:
1942         case RENDERPATH_GLES1:
1943                 R_Mesh_TexBind(0, first );
1944                 R_Mesh_TexCombine(0, GL_MODULATE, GL_MODULATE, 1, 1);
1945                 R_Mesh_TexBind(1, second);
1946                 if (second)
1947                         R_Mesh_TexCombine(1, texturemode, texturemode, rgbscale, 1);
1948                 break;
1949         case RENDERPATH_GL11:
1950                 R_Mesh_TexBind(0, first );
1951                 break;
1952         case RENDERPATH_SOFT:
1953                 R_SetupShader_SetPermutationSoft(SHADERMODE_GENERIC, permutation);
1954                 R_Mesh_TexBind(GL20TU_FIRST , first );
1955                 R_Mesh_TexBind(GL20TU_SECOND, second);
1956                 break;
1957         }
1958 }
1959
1960 void R_SetupShader_Generic_NoTexture(qboolean usegamma, qboolean notrippy)
1961 {
1962         R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1, usegamma, notrippy, false);
1963 }
1964
1965 void R_SetupShader_DepthOrShadow(qboolean notrippy)
1966 {
1967         unsigned int permutation = 0;
1968         if (r_trippy.integer && !notrippy)
1969                 permutation |= SHADERPERMUTATION_TRIPPY;
1970         if (vid.allowalphatocoverage)
1971                 GL_AlphaToCoverage(false);
1972         switch (vid.renderpath)
1973         {
1974         case RENDERPATH_D3D9:
1975 #ifdef SUPPORTD3D
1976                 R_SetupShader_SetPermutationHLSL(SHADERMODE_DEPTH_OR_SHADOW, permutation);
1977 #endif
1978                 break;
1979         case RENDERPATH_D3D10:
1980                 Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
1981                 break;
1982         case RENDERPATH_D3D11:
1983                 Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
1984                 break;
1985         case RENDERPATH_GL20:
1986         case RENDERPATH_GLES2:
1987                 R_SetupShader_SetPermutationGLSL(SHADERMODE_DEPTH_OR_SHADOW, permutation);
1988                 break;
1989         case RENDERPATH_GL13:
1990         case RENDERPATH_GLES1:
1991                 R_Mesh_TexBind(0, 0);
1992                 R_Mesh_TexBind(1, 0);
1993                 break;
1994         case RENDERPATH_GL11:
1995                 R_Mesh_TexBind(0, 0);
1996                 break;
1997         case RENDERPATH_SOFT:
1998                 R_SetupShader_SetPermutationSoft(SHADERMODE_DEPTH_OR_SHADOW, permutation);
1999                 break;
2000         }
2001 }
2002
2003 void R_SetupShader_ShowDepth(qboolean notrippy)
2004 {
2005         int permutation = 0;
2006         if (r_trippy.integer && !notrippy)
2007                 permutation |= SHADERPERMUTATION_TRIPPY;
2008         if (vid.allowalphatocoverage)
2009                 GL_AlphaToCoverage(false);
2010         switch (vid.renderpath)
2011         {
2012         case RENDERPATH_D3D9:
2013 #ifdef SUPPORTHLSL
2014                 R_SetupShader_SetPermutationHLSL(SHADERMODE_SHOWDEPTH, permutation);
2015 #endif
2016                 break;
2017         case RENDERPATH_D3D10:
2018                 Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
2019                 break;
2020         case RENDERPATH_D3D11:
2021                 Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
2022                 break;
2023         case RENDERPATH_GL20:
2024         case RENDERPATH_GLES2:
2025                 R_SetupShader_SetPermutationGLSL(SHADERMODE_SHOWDEPTH, permutation);
2026                 break;
2027         case RENDERPATH_GL13:
2028         case RENDERPATH_GLES1:
2029                 break;
2030         case RENDERPATH_GL11:
2031                 break;
2032         case RENDERPATH_SOFT:
2033                 R_SetupShader_SetPermutationSoft(SHADERMODE_SHOWDEPTH, permutation);
2034                 break;
2035         }
2036 }
2037
2038 extern qboolean r_shadow_usingdeferredprepass;
2039 extern cvar_t r_shadow_deferred_8bitrange;
2040 extern rtexture_t *r_shadow_attenuationgradienttexture;
2041 extern rtexture_t *r_shadow_attenuation2dtexture;
2042 extern rtexture_t *r_shadow_attenuation3dtexture;
2043 extern qboolean r_shadow_usingshadowmap2d;
2044 extern qboolean r_shadow_usingshadowmaportho;
2045 extern float r_shadow_shadowmap_texturescale[2];
2046 extern float r_shadow_shadowmap_parameters[4];
2047 extern qboolean r_shadow_shadowmapvsdct;
2048 extern qboolean r_shadow_shadowmapsampler;
2049 extern int r_shadow_shadowmappcf;
2050 extern rtexture_t *r_shadow_shadowmap2dtexture;
2051 extern rtexture_t *r_shadow_shadowmap2dcolortexture;
2052 extern rtexture_t *r_shadow_shadowmapvsdcttexture;
2053 extern matrix4x4_t r_shadow_shadowmapmatrix;
2054 extern int r_shadow_shadowmaplod; // changes for each light based on distance
2055 extern int r_shadow_prepass_width;
2056 extern int r_shadow_prepass_height;
2057 extern rtexture_t *r_shadow_prepassgeometrydepthtexture;
2058 extern rtexture_t *r_shadow_prepassgeometrynormalmaptexture;
2059 extern rtexture_t *r_shadow_prepassgeometrydepthcolortexture;
2060 extern rtexture_t *r_shadow_prepasslightingdiffusetexture;
2061 extern rtexture_t *r_shadow_prepasslightingspeculartexture;
2062
2063 #define BLENDFUNC_ALLOWS_COLORMOD      1
2064 #define BLENDFUNC_ALLOWS_FOG           2
2065 #define BLENDFUNC_ALLOWS_FOG_HACK0     4
2066 #define BLENDFUNC_ALLOWS_FOG_HACKALPHA 8
2067 #define BLENDFUNC_ALLOWS_ANYFOG        (BLENDFUNC_ALLOWS_FOG | BLENDFUNC_ALLOWS_FOG_HACK0 | BLENDFUNC_ALLOWS_FOG_HACKALPHA)
2068 static int R_BlendFuncFlags(int src, int dst)
2069 {
2070         int r = 0;
2071
2072         // a blendfunc allows colormod if:
2073         // a) it can never keep the destination pixel invariant, or
2074         // b) it can keep the destination pixel invariant, and still can do so if colormodded
2075         // this is to prevent unintended side effects from colormod
2076
2077         // a blendfunc allows fog if:
2078         // blend(fog(src), fog(dst)) == fog(blend(src, dst))
2079         // this is to prevent unintended side effects from fog
2080
2081         // these checks are the output of fogeval.pl
2082
2083         r |= BLENDFUNC_ALLOWS_COLORMOD;
2084         if(src == GL_DST_ALPHA && dst == GL_ONE) r |= BLENDFUNC_ALLOWS_FOG_HACK0;
2085         if(src == GL_DST_ALPHA && dst == GL_ONE_MINUS_DST_ALPHA) r |= BLENDFUNC_ALLOWS_FOG;
2086         if(src == GL_DST_COLOR && dst == GL_ONE_MINUS_SRC_ALPHA) r &= ~BLENDFUNC_ALLOWS_COLORMOD;
2087         if(src == GL_DST_COLOR && dst == GL_ONE_MINUS_SRC_COLOR) r |= BLENDFUNC_ALLOWS_FOG;
2088         if(src == GL_DST_COLOR && dst == GL_SRC_ALPHA) r &= ~BLENDFUNC_ALLOWS_COLORMOD;
2089         if(src == GL_DST_COLOR && dst == GL_SRC_COLOR) r &= ~BLENDFUNC_ALLOWS_COLORMOD;
2090         if(src == GL_DST_COLOR && dst == GL_ZERO) r &= ~BLENDFUNC_ALLOWS_COLORMOD;
2091         if(src == GL_ONE && dst == GL_ONE) r |= BLENDFUNC_ALLOWS_FOG_HACK0;
2092         if(src == GL_ONE && dst == GL_ONE_MINUS_SRC_ALPHA) r |= BLENDFUNC_ALLOWS_FOG_HACKALPHA;
2093         if(src == GL_ONE && dst == GL_ZERO) r |= BLENDFUNC_ALLOWS_FOG;
2094         if(src == GL_ONE_MINUS_DST_ALPHA && dst == GL_DST_ALPHA) r |= BLENDFUNC_ALLOWS_FOG;
2095         if(src == GL_ONE_MINUS_DST_ALPHA && dst == GL_ONE) r |= BLENDFUNC_ALLOWS_FOG_HACK0;
2096         if(src == GL_ONE_MINUS_DST_COLOR && dst == GL_SRC_COLOR) r |= BLENDFUNC_ALLOWS_FOG;
2097         if(src == GL_ONE_MINUS_SRC_ALPHA && dst == GL_ONE) r |= BLENDFUNC_ALLOWS_FOG_HACK0;
2098         if(src == GL_ONE_MINUS_SRC_ALPHA && dst == GL_SRC_ALPHA) r |= BLENDFUNC_ALLOWS_FOG;
2099         if(src == GL_ONE_MINUS_SRC_ALPHA && dst == GL_SRC_COLOR) r &= ~BLENDFUNC_ALLOWS_COLORMOD;
2100         if(src == GL_ONE_MINUS_SRC_COLOR && dst == GL_SRC_COLOR) r &= ~BLENDFUNC_ALLOWS_COLORMOD;
2101         if(src == GL_SRC_ALPHA && dst == GL_ONE) r |= BLENDFUNC_ALLOWS_FOG_HACK0;
2102         if(src == GL_SRC_ALPHA && dst == GL_ONE_MINUS_SRC_ALPHA) r |= BLENDFUNC_ALLOWS_FOG;
2103         if(src == GL_ZERO && dst == GL_ONE) r |= BLENDFUNC_ALLOWS_FOG;
2104         if(src == GL_ZERO && dst == GL_SRC_COLOR) r &= ~BLENDFUNC_ALLOWS_COLORMOD;
2105
2106         return r;
2107 }
2108
2109 void R_SetupShader_Surface(const vec3_t lightcolorbase, qboolean modellighting, float ambientscale, float diffusescale, float specularscale, rsurfacepass_t rsurfacepass, int texturenumsurfaces, const msurface_t **texturesurfacelist, void *surfacewaterplane, qboolean notrippy)
2110 {
2111         // select a permutation of the lighting shader appropriate to this
2112         // combination of texture, entity, light source, and fogging, only use the
2113         // minimum features necessary to avoid wasting rendering time in the
2114         // fragment shader on features that are not being used
2115         unsigned int permutation = 0;
2116         unsigned int mode = 0;
2117         int blendfuncflags;
2118         static float dummy_colormod[3] = {1, 1, 1};
2119         float *colormod = rsurface.colormod;
2120         float m16f[16];
2121         matrix4x4_t tempmatrix;
2122         r_waterstate_waterplane_t *waterplane = (r_waterstate_waterplane_t *)surfacewaterplane;
2123         if (r_trippy.integer && !notrippy)
2124                 permutation |= SHADERPERMUTATION_TRIPPY;
2125         if (rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST)
2126                 permutation |= SHADERPERMUTATION_ALPHAKILL;
2127         if (rsurface.texture->r_water_waterscroll[0] && rsurface.texture->r_water_waterscroll[1])
2128                 permutation |= SHADERPERMUTATION_NORMALMAPSCROLLBLEND; // todo: make generic
2129         if (rsurfacepass == RSURFPASS_BACKGROUND)
2130         {
2131                 // distorted background
2132                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_WATERSHADER)
2133                 {
2134                         mode = SHADERMODE_WATER;
2135                         if((r_wateralpha.value < 1) && (rsurface.texture->currentmaterialflags & MATERIALFLAG_WATERALPHA))
2136                         {
2137                                 // this is the right thing to do for wateralpha
2138                                 GL_BlendFunc(GL_ONE, GL_ZERO);
2139                                 blendfuncflags = R_BlendFuncFlags(GL_ONE, GL_ZERO);
2140                         }
2141                         else
2142                         {
2143                                 // this is the right thing to do for entity alpha
2144                                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
2145                                 blendfuncflags = R_BlendFuncFlags(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
2146                         }
2147                 }
2148                 else if (rsurface.texture->currentmaterialflags & MATERIALFLAG_REFRACTION)
2149                 {
2150                         mode = SHADERMODE_REFRACTION;
2151                         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
2152                         blendfuncflags = R_BlendFuncFlags(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
2153                 }
2154                 else
2155                 {
2156                         mode = SHADERMODE_GENERIC;
2157                         permutation |= SHADERPERMUTATION_DIFFUSE;
2158                         GL_BlendFunc(GL_ONE, GL_ZERO);
2159                         blendfuncflags = R_BlendFuncFlags(GL_ONE, GL_ZERO);
2160                 }
2161                 if (vid.allowalphatocoverage)
2162                         GL_AlphaToCoverage(false);
2163         }
2164         else if (rsurfacepass == RSURFPASS_DEFERREDGEOMETRY)
2165         {
2166                 if (r_glsl_offsetmapping.integer && ((R_TextureFlags(rsurface.texture->nmaptexture) & TEXF_ALPHA) || rsurface.texture->offsetbias != 0.0f))
2167                 {
2168                         switch(rsurface.texture->offsetmapping)
2169                         {
2170                         case OFFSETMAPPING_LINEAR: permutation |= SHADERPERMUTATION_OFFSETMAPPING;break;
2171                         case OFFSETMAPPING_RELIEF: permutation |= SHADERPERMUTATION_OFFSETMAPPING | SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;break;
2172                         case OFFSETMAPPING_DEFAULT: permutation |= SHADERPERMUTATION_OFFSETMAPPING;if (r_glsl_offsetmapping_reliefmapping.integer) permutation |= SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;break;
2173                         case OFFSETMAPPING_OFF: break;
2174                         }
2175                 }
2176                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_VERTEXTEXTUREBLEND)
2177                         permutation |= SHADERPERMUTATION_VERTEXTEXTUREBLEND;
2178                 // normalmap (deferred prepass), may use alpha test on diffuse
2179                 mode = SHADERMODE_DEFERREDGEOMETRY;
2180                 GL_BlendFunc(GL_ONE, GL_ZERO);
2181                 blendfuncflags = R_BlendFuncFlags(GL_ONE, GL_ZERO);
2182                 if (vid.allowalphatocoverage)
2183                         GL_AlphaToCoverage(false);
2184         }
2185         else if (rsurfacepass == RSURFPASS_RTLIGHT)
2186         {
2187                 if (r_glsl_offsetmapping.integer && ((R_TextureFlags(rsurface.texture->nmaptexture) & TEXF_ALPHA) || rsurface.texture->offsetbias != 0.0f))
2188                 {
2189                         switch(rsurface.texture->offsetmapping)
2190                         {
2191                         case OFFSETMAPPING_LINEAR: permutation |= SHADERPERMUTATION_OFFSETMAPPING;break;
2192                         case OFFSETMAPPING_RELIEF: permutation |= SHADERPERMUTATION_OFFSETMAPPING | SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;break;
2193                         case OFFSETMAPPING_DEFAULT: permutation |= SHADERPERMUTATION_OFFSETMAPPING;if (r_glsl_offsetmapping_reliefmapping.integer) permutation |= SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;break;
2194                         case OFFSETMAPPING_OFF: break;
2195                         }
2196                 }
2197                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_VERTEXTEXTUREBLEND)
2198                         permutation |= SHADERPERMUTATION_VERTEXTEXTUREBLEND;
2199                 // light source
2200                 mode = SHADERMODE_LIGHTSOURCE;
2201                 if (rsurface.rtlight->currentcubemap != r_texture_whitecube)
2202                         permutation |= SHADERPERMUTATION_CUBEFILTER;
2203                 if (diffusescale > 0)
2204                         permutation |= SHADERPERMUTATION_DIFFUSE;
2205                 if (specularscale > 0)
2206                         permutation |= SHADERPERMUTATION_SPECULAR | SHADERPERMUTATION_DIFFUSE;
2207                 if (r_refdef.fogenabled)
2208                         permutation |= r_texture_fogheighttexture ? SHADERPERMUTATION_FOGHEIGHTTEXTURE : (r_refdef.fogplaneviewabove ? SHADERPERMUTATION_FOGOUTSIDE : SHADERPERMUTATION_FOGINSIDE);
2209                 if (rsurface.texture->colormapping)
2210                         permutation |= SHADERPERMUTATION_COLORMAPPING;
2211                 if (r_shadow_usingshadowmap2d)
2212                 {
2213                         permutation |= SHADERPERMUTATION_SHADOWMAP2D;
2214                         if(r_shadow_shadowmapvsdct)
2215                                 permutation |= SHADERPERMUTATION_SHADOWMAPVSDCT;
2216
2217                         if (r_shadow_shadowmapsampler)
2218                                 permutation |= SHADERPERMUTATION_SHADOWSAMPLER;
2219                         if (r_shadow_shadowmappcf > 1)
2220                                 permutation |= SHADERPERMUTATION_SHADOWMAPPCF2;
2221                         else if (r_shadow_shadowmappcf)
2222                                 permutation |= SHADERPERMUTATION_SHADOWMAPPCF;
2223                 }
2224                 if (rsurface.texture->reflectmasktexture)
2225                         permutation |= SHADERPERMUTATION_REFLECTCUBE;
2226                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
2227                 blendfuncflags = R_BlendFuncFlags(GL_SRC_ALPHA, GL_ONE);
2228                 if (vid.allowalphatocoverage)
2229                         GL_AlphaToCoverage(false);
2230         }
2231         else if (rsurface.texture->currentmaterialflags & MATERIALFLAG_FULLBRIGHT)
2232         {
2233                 if (r_glsl_offsetmapping.integer && ((R_TextureFlags(rsurface.texture->nmaptexture) & TEXF_ALPHA) || rsurface.texture->offsetbias != 0.0f))
2234                 {
2235                         switch(rsurface.texture->offsetmapping)
2236                         {
2237                         case OFFSETMAPPING_LINEAR: permutation |= SHADERPERMUTATION_OFFSETMAPPING;break;
2238                         case OFFSETMAPPING_RELIEF: permutation |= SHADERPERMUTATION_OFFSETMAPPING | SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;break;
2239                         case OFFSETMAPPING_DEFAULT: permutation |= SHADERPERMUTATION_OFFSETMAPPING;if (r_glsl_offsetmapping_reliefmapping.integer) permutation |= SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;break;
2240                         case OFFSETMAPPING_OFF: break;
2241                         }
2242                 }
2243                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_VERTEXTEXTUREBLEND)
2244                         permutation |= SHADERPERMUTATION_VERTEXTEXTUREBLEND;
2245                 // unshaded geometry (fullbright or ambient model lighting)
2246                 mode = SHADERMODE_FLATCOLOR;
2247                 ambientscale = diffusescale = specularscale = 0;
2248                 if (rsurface.texture->glowtexture && r_hdr_glowintensity.value > 0 && !gl_lightmaps.integer)
2249                         permutation |= SHADERPERMUTATION_GLOW;
2250                 if (r_refdef.fogenabled)
2251                         permutation |= r_texture_fogheighttexture ? SHADERPERMUTATION_FOGHEIGHTTEXTURE : (r_refdef.fogplaneviewabove ? SHADERPERMUTATION_FOGOUTSIDE : SHADERPERMUTATION_FOGINSIDE);
2252                 if (rsurface.texture->colormapping)
2253                         permutation |= SHADERPERMUTATION_COLORMAPPING;
2254                 if (r_shadow_usingshadowmaportho && !(rsurface.ent_flags & RENDER_NOSELFSHADOW))
2255                 {
2256                         permutation |= SHADERPERMUTATION_SHADOWMAPORTHO;
2257                         permutation |= SHADERPERMUTATION_SHADOWMAP2D;
2258
2259                         if (r_shadow_shadowmapsampler)
2260                                 permutation |= SHADERPERMUTATION_SHADOWSAMPLER;
2261                         if (r_shadow_shadowmappcf > 1)
2262                                 permutation |= SHADERPERMUTATION_SHADOWMAPPCF2;
2263                         else if (r_shadow_shadowmappcf)
2264                                 permutation |= SHADERPERMUTATION_SHADOWMAPPCF;
2265                 }
2266                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_REFLECTION)
2267                         permutation |= SHADERPERMUTATION_REFLECTION;
2268                 if (rsurface.texture->reflectmasktexture)
2269                         permutation |= SHADERPERMUTATION_REFLECTCUBE;
2270                 GL_BlendFunc(rsurface.texture->currentlayers[0].blendfunc1, rsurface.texture->currentlayers[0].blendfunc2);
2271                 blendfuncflags = R_BlendFuncFlags(rsurface.texture->currentlayers[0].blendfunc1, rsurface.texture->currentlayers[0].blendfunc2);
2272                 // when using alphatocoverage, we don't need alphakill
2273                 if (vid.allowalphatocoverage)
2274                 {
2275                         if (r_transparent_alphatocoverage.integer)
2276                         {
2277                                 GL_AlphaToCoverage((rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST) != 0);
2278                                 permutation &= ~SHADERPERMUTATION_ALPHAKILL;
2279                         }
2280                         else
2281                                 GL_AlphaToCoverage(false);
2282                 }
2283         }
2284         else if (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT_DIRECTIONAL)
2285         {
2286                 if (r_glsl_offsetmapping.integer && ((R_TextureFlags(rsurface.texture->nmaptexture) & TEXF_ALPHA) || rsurface.texture->offsetbias != 0.0f))
2287                 {
2288                         switch(rsurface.texture->offsetmapping)
2289                         {
2290                         case OFFSETMAPPING_LINEAR: permutation |= SHADERPERMUTATION_OFFSETMAPPING;break;
2291                         case OFFSETMAPPING_RELIEF: permutation |= SHADERPERMUTATION_OFFSETMAPPING | SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;break;
2292                         case OFFSETMAPPING_DEFAULT: permutation |= SHADERPERMUTATION_OFFSETMAPPING;if (r_glsl_offsetmapping_reliefmapping.integer) permutation |= SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;break;
2293                         case OFFSETMAPPING_OFF: break;
2294                         }
2295                 }
2296                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_VERTEXTEXTUREBLEND)
2297                         permutation |= SHADERPERMUTATION_VERTEXTEXTUREBLEND;
2298                 // directional model lighting
2299                 mode = SHADERMODE_LIGHTDIRECTION;
2300                 if (rsurface.texture->glowtexture && r_hdr_glowintensity.value > 0 && !gl_lightmaps.integer)
2301                         permutation |= SHADERPERMUTATION_GLOW;
2302                 permutation |= SHADERPERMUTATION_DIFFUSE;
2303                 if (specularscale > 0)
2304                         permutation |= SHADERPERMUTATION_SPECULAR;
2305                 if (r_refdef.fogenabled)
2306                         permutation |= r_texture_fogheighttexture ? SHADERPERMUTATION_FOGHEIGHTTEXTURE : (r_refdef.fogplaneviewabove ? SHADERPERMUTATION_FOGOUTSIDE : SHADERPERMUTATION_FOGINSIDE);
2307                 if (rsurface.texture->colormapping)
2308                         permutation |= SHADERPERMUTATION_COLORMAPPING;
2309                 if (r_shadow_usingshadowmaportho && !(rsurface.ent_flags & RENDER_NOSELFSHADOW))
2310                 {
2311                         permutation |= SHADERPERMUTATION_SHADOWMAPORTHO;
2312                         permutation |= SHADERPERMUTATION_SHADOWMAP2D;
2313
2314                         if (r_shadow_shadowmapsampler)
2315                                 permutation |= SHADERPERMUTATION_SHADOWSAMPLER;
2316                         if (r_shadow_shadowmappcf > 1)
2317                                 permutation |= SHADERPERMUTATION_SHADOWMAPPCF2;
2318                         else if (r_shadow_shadowmappcf)
2319                                 permutation |= SHADERPERMUTATION_SHADOWMAPPCF;
2320                 }
2321                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_REFLECTION)
2322                         permutation |= SHADERPERMUTATION_REFLECTION;
2323                 if (r_shadow_usingdeferredprepass && !(rsurface.texture->currentmaterialflags & MATERIALFLAG_BLENDED))
2324                         permutation |= SHADERPERMUTATION_DEFERREDLIGHTMAP;
2325                 if (rsurface.texture->reflectmasktexture)
2326                         permutation |= SHADERPERMUTATION_REFLECTCUBE;
2327                 if (r_shadow_bouncegridtexture && cl.csqc_vidvars.drawworld)
2328                 {
2329                         permutation |= SHADERPERMUTATION_BOUNCEGRID;
2330                         if (r_shadow_bouncegriddirectional)
2331                                 permutation |= SHADERPERMUTATION_BOUNCEGRIDDIRECTIONAL;
2332                 }
2333                 GL_BlendFunc(rsurface.texture->currentlayers[0].blendfunc1, rsurface.texture->currentlayers[0].blendfunc2);
2334                 blendfuncflags = R_BlendFuncFlags(rsurface.texture->currentlayers[0].blendfunc1, rsurface.texture->currentlayers[0].blendfunc2);
2335                 // when using alphatocoverage, we don't need alphakill
2336                 if (vid.allowalphatocoverage)
2337                 {
2338                         if (r_transparent_alphatocoverage.integer)
2339                         {
2340                                 GL_AlphaToCoverage((rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST) != 0);
2341                                 permutation &= ~SHADERPERMUTATION_ALPHAKILL;
2342                         }
2343                         else
2344                                 GL_AlphaToCoverage(false);
2345                 }
2346         }
2347         else if (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT)
2348         {
2349                 if (r_glsl_offsetmapping.integer && ((R_TextureFlags(rsurface.texture->nmaptexture) & TEXF_ALPHA) || rsurface.texture->offsetbias != 0.0f))
2350                 {
2351                         switch(rsurface.texture->offsetmapping)
2352                         {
2353                         case OFFSETMAPPING_LINEAR: permutation |= SHADERPERMUTATION_OFFSETMAPPING;break;
2354                         case OFFSETMAPPING_RELIEF: permutation |= SHADERPERMUTATION_OFFSETMAPPING | SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;break;
2355                         case OFFSETMAPPING_DEFAULT: permutation |= SHADERPERMUTATION_OFFSETMAPPING;if (r_glsl_offsetmapping_reliefmapping.integer) permutation |= SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;break;
2356                         case OFFSETMAPPING_OFF: break;
2357                         }
2358                 }
2359                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_VERTEXTEXTUREBLEND)
2360                         permutation |= SHADERPERMUTATION_VERTEXTEXTUREBLEND;
2361                 // ambient model lighting
2362                 mode = SHADERMODE_LIGHTDIRECTION;
2363                 if (rsurface.texture->glowtexture && r_hdr_glowintensity.value > 0 && !gl_lightmaps.integer)
2364                         permutation |= SHADERPERMUTATION_GLOW;
2365                 if (r_refdef.fogenabled)
2366                         permutation |= r_texture_fogheighttexture ? SHADERPERMUTATION_FOGHEIGHTTEXTURE : (r_refdef.fogplaneviewabove ? SHADERPERMUTATION_FOGOUTSIDE : SHADERPERMUTATION_FOGINSIDE);
2367                 if (rsurface.texture->colormapping)
2368                         permutation |= SHADERPERMUTATION_COLORMAPPING;
2369                 if (r_shadow_usingshadowmaportho && !(rsurface.ent_flags & RENDER_NOSELFSHADOW))
2370                 {
2371                         permutation |= SHADERPERMUTATION_SHADOWMAPORTHO;
2372                         permutation |= SHADERPERMUTATION_SHADOWMAP2D;
2373
2374                         if (r_shadow_shadowmapsampler)
2375                                 permutation |= SHADERPERMUTATION_SHADOWSAMPLER;
2376                         if (r_shadow_shadowmappcf > 1)
2377                                 permutation |= SHADERPERMUTATION_SHADOWMAPPCF2;
2378                         else if (r_shadow_shadowmappcf)
2379                                 permutation |= SHADERPERMUTATION_SHADOWMAPPCF;
2380                 }
2381                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_REFLECTION)
2382                         permutation |= SHADERPERMUTATION_REFLECTION;
2383                 if (r_shadow_usingdeferredprepass && !(rsurface.texture->currentmaterialflags & MATERIALFLAG_BLENDED))
2384                         permutation |= SHADERPERMUTATION_DEFERREDLIGHTMAP;
2385                 if (rsurface.texture->reflectmasktexture)
2386                         permutation |= SHADERPERMUTATION_REFLECTCUBE;
2387                 if (r_shadow_bouncegridtexture && cl.csqc_vidvars.drawworld)
2388                 {
2389                         permutation |= SHADERPERMUTATION_BOUNCEGRID;
2390                         if (r_shadow_bouncegriddirectional)
2391                                 permutation |= SHADERPERMUTATION_BOUNCEGRIDDIRECTIONAL;
2392                 }
2393                 GL_BlendFunc(rsurface.texture->currentlayers[0].blendfunc1, rsurface.texture->currentlayers[0].blendfunc2);
2394                 blendfuncflags = R_BlendFuncFlags(rsurface.texture->currentlayers[0].blendfunc1, rsurface.texture->currentlayers[0].blendfunc2);
2395                 // when using alphatocoverage, we don't need alphakill
2396                 if (vid.allowalphatocoverage)
2397                 {
2398                         if (r_transparent_alphatocoverage.integer)
2399                         {
2400                                 GL_AlphaToCoverage((rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST) != 0);
2401                                 permutation &= ~SHADERPERMUTATION_ALPHAKILL;
2402                         }
2403                         else
2404                                 GL_AlphaToCoverage(false);
2405                 }
2406         }
2407         else
2408         {
2409                 if (r_glsl_offsetmapping.integer && ((R_TextureFlags(rsurface.texture->nmaptexture) & TEXF_ALPHA) || rsurface.texture->offsetbias != 0.0f))
2410                 {
2411                         switch(rsurface.texture->offsetmapping)
2412                         {
2413                         case OFFSETMAPPING_LINEAR: permutation |= SHADERPERMUTATION_OFFSETMAPPING;break;
2414                         case OFFSETMAPPING_RELIEF: permutation |= SHADERPERMUTATION_OFFSETMAPPING | SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;break;
2415                         case OFFSETMAPPING_DEFAULT: permutation |= SHADERPERMUTATION_OFFSETMAPPING;if (r_glsl_offsetmapping_reliefmapping.integer) permutation |= SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;break;
2416                         case OFFSETMAPPING_OFF: break;
2417                         }
2418                 }
2419                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_VERTEXTEXTUREBLEND)
2420                         permutation |= SHADERPERMUTATION_VERTEXTEXTUREBLEND;
2421                 // lightmapped wall
2422                 if (rsurface.texture->glowtexture && r_hdr_glowintensity.value > 0 && !gl_lightmaps.integer)
2423                         permutation |= SHADERPERMUTATION_GLOW;
2424                 if (r_refdef.fogenabled)
2425                         permutation |= r_texture_fogheighttexture ? SHADERPERMUTATION_FOGHEIGHTTEXTURE : (r_refdef.fogplaneviewabove ? SHADERPERMUTATION_FOGOUTSIDE : SHADERPERMUTATION_FOGINSIDE);
2426                 if (rsurface.texture->colormapping)
2427                         permutation |= SHADERPERMUTATION_COLORMAPPING;
2428                 if (r_shadow_usingshadowmaportho && !(rsurface.ent_flags & RENDER_NOSELFSHADOW))
2429                 {
2430                         permutation |= SHADERPERMUTATION_SHADOWMAPORTHO;
2431                         permutation |= SHADERPERMUTATION_SHADOWMAP2D;
2432
2433                         if (r_shadow_shadowmapsampler)
2434                                 permutation |= SHADERPERMUTATION_SHADOWSAMPLER;
2435                         if (r_shadow_shadowmappcf > 1)
2436                                 permutation |= SHADERPERMUTATION_SHADOWMAPPCF2;
2437                         else if (r_shadow_shadowmappcf)
2438                                 permutation |= SHADERPERMUTATION_SHADOWMAPPCF;
2439                 }
2440                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_REFLECTION)
2441                         permutation |= SHADERPERMUTATION_REFLECTION;
2442                 if (r_shadow_usingdeferredprepass && !(rsurface.texture->currentmaterialflags & MATERIALFLAG_BLENDED))
2443                         permutation |= SHADERPERMUTATION_DEFERREDLIGHTMAP;
2444                 if (rsurface.texture->reflectmasktexture)
2445                         permutation |= SHADERPERMUTATION_REFLECTCUBE;
2446                 if (FAKELIGHT_ENABLED)
2447                 {
2448                         // fake lightmapping (q1bsp, q3bsp, fullbright map)
2449                         mode = SHADERMODE_FAKELIGHT;
2450                         permutation |= SHADERPERMUTATION_DIFFUSE;
2451                         if (specularscale > 0)
2452                                 permutation |= SHADERPERMUTATION_SPECULAR | SHADERPERMUTATION_DIFFUSE;
2453                 }
2454                 else if (r_glsl_deluxemapping.integer >= 1 && rsurface.uselightmaptexture && r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->brushq3.deluxemapping)
2455                 {
2456                         // deluxemapping (light direction texture)
2457                         if (rsurface.uselightmaptexture && r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->brushq3.deluxemapping && r_refdef.scene.worldmodel->brushq3.deluxemapping_modelspace)
2458                                 mode = SHADERMODE_LIGHTDIRECTIONMAP_MODELSPACE;
2459                         else
2460                                 mode = SHADERMODE_LIGHTDIRECTIONMAP_TANGENTSPACE;
2461                         permutation |= SHADERPERMUTATION_DIFFUSE;
2462                         if (specularscale > 0)
2463                                 permutation |= SHADERPERMUTATION_SPECULAR | SHADERPERMUTATION_DIFFUSE;
2464                 }
2465                 else if (r_glsl_deluxemapping.integer >= 2)
2466                 {
2467                         // fake deluxemapping (uniform light direction in tangentspace)
2468                         if (rsurface.uselightmaptexture)
2469                                 mode = SHADERMODE_LIGHTDIRECTIONMAP_FORCED_LIGHTMAP;
2470                         else
2471                                 mode = SHADERMODE_LIGHTDIRECTIONMAP_FORCED_VERTEXCOLOR;
2472                         permutation |= SHADERPERMUTATION_DIFFUSE;
2473                         if (specularscale > 0)
2474                                 permutation |= SHADERPERMUTATION_SPECULAR | SHADERPERMUTATION_DIFFUSE;
2475                 }
2476                 else if (rsurface.uselightmaptexture)
2477                 {
2478                         // ordinary lightmapping (q1bsp, q3bsp)
2479                         mode = SHADERMODE_LIGHTMAP;
2480                 }
2481                 else
2482                 {
2483                         // ordinary vertex coloring (q3bsp)
2484                         mode = SHADERMODE_VERTEXCOLOR;
2485                 }
2486                 if (r_shadow_bouncegridtexture && cl.csqc_vidvars.drawworld)
2487                 {
2488                         permutation |= SHADERPERMUTATION_BOUNCEGRID;
2489                         if (r_shadow_bouncegriddirectional)
2490                                 permutation |= SHADERPERMUTATION_BOUNCEGRIDDIRECTIONAL;
2491                 }
2492                 GL_BlendFunc(rsurface.texture->currentlayers[0].blendfunc1, rsurface.texture->currentlayers[0].blendfunc2);
2493                 blendfuncflags = R_BlendFuncFlags(rsurface.texture->currentlayers[0].blendfunc1, rsurface.texture->currentlayers[0].blendfunc2);
2494                 // when using alphatocoverage, we don't need alphakill
2495                 if (vid.allowalphatocoverage)
2496                 {
2497                         if (r_transparent_alphatocoverage.integer)
2498                         {
2499                                 GL_AlphaToCoverage((rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST) != 0);
2500                                 permutation &= ~SHADERPERMUTATION_ALPHAKILL;
2501                         }
2502                         else
2503                                 GL_AlphaToCoverage(false);
2504                 }
2505         }
2506         if(!(blendfuncflags & BLENDFUNC_ALLOWS_COLORMOD))
2507                 colormod = dummy_colormod;
2508         if(!(blendfuncflags & BLENDFUNC_ALLOWS_ANYFOG))
2509                 permutation &= ~(SHADERPERMUTATION_FOGHEIGHTTEXTURE | SHADERPERMUTATION_FOGOUTSIDE | SHADERPERMUTATION_FOGINSIDE);
2510         if(blendfuncflags & BLENDFUNC_ALLOWS_FOG_HACKALPHA)
2511                 permutation |= SHADERPERMUTATION_FOGALPHAHACK;
2512         switch(vid.renderpath)
2513         {
2514         case RENDERPATH_D3D9:
2515 #ifdef SUPPORTD3D
2516                 RSurf_PrepareVerticesForBatch(BATCHNEED_VERTEXMESH_VERTEX | BATCHNEED_VERTEXMESH_NORMAL | BATCHNEED_VERTEXMESH_VECTOR | (rsurface.modellightmapcolor4f ? BATCHNEED_VERTEXMESH_VERTEXCOLOR : 0) | BATCHNEED_VERTEXMESH_TEXCOORD | (rsurface.uselightmaptexture ? BATCHNEED_VERTEXMESH_LIGHTMAP : 0), texturenumsurfaces, texturesurfacelist);
2517                 R_Mesh_PrepareVertices_Mesh(rsurface.batchnumvertices, rsurface.batchvertexmesh, rsurface.batchvertexmeshbuffer);
2518                 R_SetupShader_SetPermutationHLSL(mode, permutation);
2519                 Matrix4x4_ToArrayFloatGL(&rsurface.matrix, m16f);hlslPSSetParameter16f(D3DPSREGISTER_ModelToReflectCube, m16f);
2520                 if (mode == SHADERMODE_LIGHTSOURCE)
2521                 {
2522                         Matrix4x4_ToArrayFloatGL(&rsurface.entitytolight, m16f);hlslVSSetParameter16f(D3DVSREGISTER_ModelToLight, m16f);
2523                         hlslVSSetParameter3f(D3DVSREGISTER_LightPosition, rsurface.entitylightorigin[0], rsurface.entitylightorigin[1], rsurface.entitylightorigin[2]);
2524                 }
2525                 else
2526                 {
2527                         if (mode == SHADERMODE_LIGHTDIRECTION)
2528                         {
2529                                 hlslVSSetParameter3f(D3DVSREGISTER_LightDir, rsurface.modellight_lightdir[0], rsurface.modellight_lightdir[1], rsurface.modellight_lightdir[2]);
2530                         }
2531                 }
2532                 Matrix4x4_ToArrayFloatGL(&rsurface.texture->currenttexmatrix, m16f);hlslVSSetParameter16f(D3DVSREGISTER_TexMatrix, m16f);
2533                 Matrix4x4_ToArrayFloatGL(&rsurface.texture->currentbackgroundtexmatrix, m16f);hlslVSSetParameter16f(D3DVSREGISTER_BackgroundTexMatrix, m16f);
2534                 Matrix4x4_ToArrayFloatGL(&r_shadow_shadowmapmatrix, m16f);hlslVSSetParameter16f(D3DVSREGISTER_ShadowMapMatrix, m16f);
2535                 hlslVSSetParameter3f(D3DVSREGISTER_EyePosition, rsurface.localvieworigin[0], rsurface.localvieworigin[1], rsurface.localvieworigin[2]);
2536                 hlslVSSetParameter4f(D3DVSREGISTER_FogPlane, rsurface.fogplane[0], rsurface.fogplane[1], rsurface.fogplane[2], rsurface.fogplane[3]);
2537
2538                 if (mode == SHADERMODE_LIGHTSOURCE)
2539                 {
2540                         hlslPSSetParameter3f(D3DPSREGISTER_LightPosition, rsurface.entitylightorigin[0], rsurface.entitylightorigin[1], rsurface.entitylightorigin[2]);
2541                         hlslPSSetParameter3f(D3DPSREGISTER_LightColor, lightcolorbase[0], lightcolorbase[1], lightcolorbase[2]);
2542                         hlslPSSetParameter3f(D3DPSREGISTER_Color_Ambient, colormod[0] * ambientscale, colormod[1] * ambientscale, colormod[2] * ambientscale);
2543                         hlslPSSetParameter3f(D3DPSREGISTER_Color_Diffuse, colormod[0] * diffusescale, colormod[1] * diffusescale, colormod[2] * diffusescale);
2544                         hlslPSSetParameter3f(D3DPSREGISTER_Color_Specular, r_refdef.view.colorscale * specularscale, r_refdef.view.colorscale * specularscale, r_refdef.view.colorscale * specularscale);
2545
2546                         // additive passes are only darkened by fog, not tinted
2547                         hlslPSSetParameter3f(D3DPSREGISTER_FogColor, 0, 0, 0);
2548                         hlslPSSetParameter1f(D3DPSREGISTER_SpecularPower, rsurface.texture->specularpower * (r_shadow_glossexact.integer ? 0.25f : 1.0f) - 1.0f);
2549                 }
2550                 else
2551                 {
2552                         if (mode == SHADERMODE_FLATCOLOR)
2553                         {
2554                                 hlslPSSetParameter3f(D3DPSREGISTER_Color_Ambient, colormod[0], colormod[1], colormod[2]);
2555                         }
2556                         else if (mode == SHADERMODE_LIGHTDIRECTION)
2557                         {
2558                                 hlslPSSetParameter3f(D3DPSREGISTER_Color_Ambient, (r_refdef.scene.ambient + rsurface.modellight_ambient[0] * r_refdef.lightmapintensity) * colormod[0], (r_refdef.scene.ambient + rsurface.modellight_ambient[1] * r_refdef.lightmapintensity) * colormod[1], (r_refdef.scene.ambient + rsurface.modellight_ambient[2] * r_refdef.lightmapintensity) * colormod[2]);
2559                                 hlslPSSetParameter3f(D3DPSREGISTER_Color_Diffuse, r_refdef.lightmapintensity * colormod[0], r_refdef.lightmapintensity * colormod[1], r_refdef.lightmapintensity * colormod[2]);
2560                                 hlslPSSetParameter3f(D3DPSREGISTER_Color_Specular, r_refdef.lightmapintensity * r_refdef.view.colorscale * specularscale, r_refdef.lightmapintensity * r_refdef.view.colorscale * specularscale, r_refdef.lightmapintensity * r_refdef.view.colorscale * specularscale);
2561                                 hlslPSSetParameter3f(D3DPSREGISTER_DeferredMod_Diffuse, colormod[0] * r_shadow_deferred_8bitrange.value, colormod[1] * r_shadow_deferred_8bitrange.value, colormod[2] * r_shadow_deferred_8bitrange.value);
2562                                 hlslPSSetParameter3f(D3DPSREGISTER_DeferredMod_Specular, specularscale * r_shadow_deferred_8bitrange.value, specularscale * r_shadow_deferred_8bitrange.value, specularscale * r_shadow_deferred_8bitrange.value);
2563                                 hlslPSSetParameter3f(D3DPSREGISTER_LightColor, rsurface.modellight_diffuse[0], rsurface.modellight_diffuse[1], rsurface.modellight_diffuse[2]);
2564                                 hlslPSSetParameter3f(D3DPSREGISTER_LightDir, rsurface.modellight_lightdir[0], rsurface.modellight_lightdir[1], rsurface.modellight_lightdir[2]);
2565                         }
2566                         else
2567                         {
2568                                 hlslPSSetParameter3f(D3DPSREGISTER_Color_Ambient, r_refdef.scene.ambient * colormod[0], r_refdef.scene.ambient * colormod[1], r_refdef.scene.ambient * colormod[2]);
2569                                 hlslPSSetParameter3f(D3DPSREGISTER_Color_Diffuse, rsurface.texture->lightmapcolor[0], rsurface.texture->lightmapcolor[1], rsurface.texture->lightmapcolor[2]);
2570                                 hlslPSSetParameter3f(D3DPSREGISTER_Color_Specular, r_refdef.lightmapintensity * r_refdef.view.colorscale * specularscale, r_refdef.lightmapintensity * r_refdef.view.colorscale * specularscale, r_refdef.lightmapintensity * r_refdef.view.colorscale * specularscale);
2571                                 hlslPSSetParameter3f(D3DPSREGISTER_DeferredMod_Diffuse, colormod[0] * diffusescale * r_shadow_deferred_8bitrange.value, colormod[1] * diffusescale * r_shadow_deferred_8bitrange.value, colormod[2] * diffusescale * r_shadow_deferred_8bitrange.value);
2572                                 hlslPSSetParameter3f(D3DPSREGISTER_DeferredMod_Specular, specularscale * r_shadow_deferred_8bitrange.value, specularscale * r_shadow_deferred_8bitrange.value, specularscale * r_shadow_deferred_8bitrange.value);
2573                         }
2574                         // additive passes are only darkened by fog, not tinted
2575                         if(blendfuncflags & BLENDFUNC_ALLOWS_FOG_HACK0)
2576                                 hlslPSSetParameter3f(D3DPSREGISTER_FogColor, 0, 0, 0);
2577                         else
2578                                 hlslPSSetParameter3f(D3DPSREGISTER_FogColor, r_refdef.fogcolor[0], r_refdef.fogcolor[1], r_refdef.fogcolor[2]);
2579                         hlslPSSetParameter4f(D3DPSREGISTER_DistortScaleRefractReflect, r_water_refractdistort.value * rsurface.texture->refractfactor, r_water_refractdistort.value * rsurface.texture->refractfactor, r_water_reflectdistort.value * rsurface.texture->reflectfactor, r_water_reflectdistort.value * rsurface.texture->reflectfactor);
2580                         hlslPSSetParameter4f(D3DPSREGISTER_ScreenScaleRefractReflect, r_fb.water.screenscale[0], r_fb.water.screenscale[1], r_fb.water.screenscale[0], r_fb.water.screenscale[1]);
2581                         hlslPSSetParameter4f(D3DPSREGISTER_ScreenCenterRefractReflect, r_fb.water.screencenter[0], r_fb.water.screencenter[1], r_fb.water.screencenter[0], r_fb.water.screencenter[1]);
2582                         hlslPSSetParameter4f(D3DPSREGISTER_RefractColor, rsurface.texture->refractcolor4f[0], rsurface.texture->refractcolor4f[1], rsurface.texture->refractcolor4f[2], rsurface.texture->refractcolor4f[3] * rsurface.texture->lightmapcolor[3]);
2583                         hlslPSSetParameter4f(D3DPSREGISTER_ReflectColor, rsurface.texture->reflectcolor4f[0], rsurface.texture->reflectcolor4f[1], rsurface.texture->reflectcolor4f[2], rsurface.texture->reflectcolor4f[3] * rsurface.texture->lightmapcolor[3]);
2584                         hlslPSSetParameter1f(D3DPSREGISTER_ReflectFactor, rsurface.texture->reflectmax - rsurface.texture->reflectmin);
2585                         hlslPSSetParameter1f(D3DPSREGISTER_ReflectOffset, rsurface.texture->reflectmin);
2586                         hlslPSSetParameter1f(D3DPSREGISTER_SpecularPower, (rsurface.texture->specularpower - 1.0f) * (r_shadow_glossexact.integer ? 0.25f : 1.0f));
2587                         if (mode == SHADERMODE_WATER)
2588                                 hlslPSSetParameter2f(D3DPSREGISTER_NormalmapScrollBlend, rsurface.texture->r_water_waterscroll[0], rsurface.texture->r_water_waterscroll[1]);
2589                 }
2590                 hlslPSSetParameter2f(D3DPSREGISTER_ShadowMap_TextureScale, r_shadow_shadowmap_texturescale[0], r_shadow_shadowmap_texturescale[1]);
2591                 hlslPSSetParameter4f(D3DPSREGISTER_ShadowMap_Parameters, r_shadow_shadowmap_parameters[0], r_shadow_shadowmap_parameters[1], r_shadow_shadowmap_parameters[2], r_shadow_shadowmap_parameters[3]);
2592                 hlslPSSetParameter3f(D3DPSREGISTER_Color_Glow, rsurface.glowmod[0], rsurface.glowmod[1], rsurface.glowmod[2]);
2593                 hlslPSSetParameter1f(D3DPSREGISTER_Alpha, rsurface.texture->lightmapcolor[3] * ((rsurface.texture->basematerialflags & MATERIALFLAG_WATERSHADER && r_fb.water.enabled && !r_refdef.view.isoverlay) ? rsurface.texture->r_water_wateralpha : 1));
2594                 hlslPSSetParameter3f(D3DPSREGISTER_EyePosition, rsurface.localvieworigin[0], rsurface.localvieworigin[1], rsurface.localvieworigin[2]);
2595                 if (rsurface.texture->pantstexture)
2596                         hlslPSSetParameter3f(D3DPSREGISTER_Color_Pants, rsurface.colormap_pantscolor[0], rsurface.colormap_pantscolor[1], rsurface.colormap_pantscolor[2]);
2597                 else
2598                         hlslPSSetParameter3f(D3DPSREGISTER_Color_Pants, 0, 0, 0);
2599                 if (rsurface.texture->shirttexture)
2600                         hlslPSSetParameter3f(D3DPSREGISTER_Color_Shirt, rsurface.colormap_shirtcolor[0], rsurface.colormap_shirtcolor[1], rsurface.colormap_shirtcolor[2]);
2601                 else
2602                         hlslPSSetParameter3f(D3DPSREGISTER_Color_Shirt, 0, 0, 0);
2603                 hlslPSSetParameter4f(D3DPSREGISTER_FogPlane, rsurface.fogplane[0], rsurface.fogplane[1], rsurface.fogplane[2], rsurface.fogplane[3]);
2604                 hlslPSSetParameter1f(D3DPSREGISTER_FogPlaneViewDist, rsurface.fogplaneviewdist);
2605                 hlslPSSetParameter1f(D3DPSREGISTER_FogRangeRecip, rsurface.fograngerecip);
2606                 hlslPSSetParameter1f(D3DPSREGISTER_FogHeightFade, rsurface.fogheightfade);
2607                 hlslPSSetParameter4f(D3DPSREGISTER_OffsetMapping_ScaleSteps,
2608                                 r_glsl_offsetmapping_scale.value*rsurface.texture->offsetscale,
2609                                 max(1, (permutation & SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING) ? r_glsl_offsetmapping_reliefmapping_steps.integer : r_glsl_offsetmapping_steps.integer),
2610                                 1.0 / max(1, (permutation & SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING) ? r_glsl_offsetmapping_reliefmapping_steps.integer : r_glsl_offsetmapping_steps.integer),
2611                                 max(1, r_glsl_offsetmapping_reliefmapping_refinesteps.integer)
2612                         );
2613                 hlslPSSetParameter1f(D3DPSREGISTER_OffsetMapping_LodDistance, r_glsl_offsetmapping_lod_distance.integer);
2614                 hlslPSSetParameter1f(D3DPSREGISTER_OffsetMapping_Bias, rsurface.texture->offsetbias);
2615                 hlslPSSetParameter2f(D3DPSREGISTER_ScreenToDepth, r_refdef.view.viewport.screentodepth[0], r_refdef.view.viewport.screentodepth[1]);
2616                 hlslPSSetParameter2f(D3DPSREGISTER_PixelToScreenTexCoord, 1.0f/vid.width, 1.0/vid.height);
2617
2618                 R_Mesh_TexBind(GL20TU_NORMAL            , rsurface.texture->nmaptexture                       );
2619                 R_Mesh_TexBind(GL20TU_COLOR             , rsurface.texture->basetexture                       );
2620                 R_Mesh_TexBind(GL20TU_GLOSS             , rsurface.texture->glosstexture                      );
2621                 R_Mesh_TexBind(GL20TU_GLOW              , rsurface.texture->glowtexture                       );
2622                 if (permutation & SHADERPERMUTATION_VERTEXTEXTUREBLEND) R_Mesh_TexBind(GL20TU_SECONDARY_NORMAL  , rsurface.texture->backgroundnmaptexture             );
2623                 if (permutation & SHADERPERMUTATION_VERTEXTEXTUREBLEND) R_Mesh_TexBind(GL20TU_SECONDARY_COLOR   , rsurface.texture->backgroundbasetexture             );
2624                 if (permutation & SHADERPERMUTATION_VERTEXTEXTUREBLEND) R_Mesh_TexBind(GL20TU_SECONDARY_GLOSS   , rsurface.texture->backgroundglosstexture            );
2625                 if (permutation & SHADERPERMUTATION_VERTEXTEXTUREBLEND) R_Mesh_TexBind(GL20TU_SECONDARY_GLOW    , rsurface.texture->backgroundglowtexture             );
2626                 if (permutation & SHADERPERMUTATION_COLORMAPPING) R_Mesh_TexBind(GL20TU_PANTS             , rsurface.texture->pantstexture                      );
2627                 if (permutation & SHADERPERMUTATION_COLORMAPPING) R_Mesh_TexBind(GL20TU_SHIRT             , rsurface.texture->shirttexture                      );
2628                 if (permutation & SHADERPERMUTATION_REFLECTCUBE) R_Mesh_TexBind(GL20TU_REFLECTMASK       , rsurface.texture->reflectmasktexture                );
2629                 if (permutation & SHADERPERMUTATION_REFLECTCUBE) R_Mesh_TexBind(GL20TU_REFLECTCUBE       , rsurface.texture->reflectcubetexture ? rsurface.texture->reflectcubetexture : r_texture_whitecube);
2630                 if (permutation & SHADERPERMUTATION_FOGHEIGHTTEXTURE) R_Mesh_TexBind(GL20TU_FOGHEIGHTTEXTURE  , r_texture_fogheighttexture                          );
2631                 if (permutation & (SHADERPERMUTATION_FOGINSIDE | SHADERPERMUTATION_FOGOUTSIDE)) R_Mesh_TexBind(GL20TU_FOGMASK           , r_texture_fogattenuation                            );
2632                 R_Mesh_TexBind(GL20TU_LIGHTMAP          , rsurface.lightmaptexture ? rsurface.lightmaptexture : r_texture_white);
2633                 R_Mesh_TexBind(GL20TU_DELUXEMAP         , rsurface.deluxemaptexture ? rsurface.deluxemaptexture : r_texture_blanknormalmap);
2634                 if (rsurface.rtlight                                  ) R_Mesh_TexBind(GL20TU_ATTENUATION       , r_shadow_attenuationgradienttexture                 );
2635                 if (rsurfacepass == RSURFPASS_BACKGROUND)
2636                 {
2637                         R_Mesh_TexBind(GL20TU_REFRACTION        , waterplane->texture_refraction ? waterplane->texture_refraction : r_texture_black);
2638                         if(mode == SHADERMODE_GENERIC) R_Mesh_TexBind(GL20TU_FIRST             , waterplane->texture_camera ? waterplane->texture_camera : r_texture_black);
2639                         R_Mesh_TexBind(GL20TU_REFLECTION        , waterplane->texture_reflection ? waterplane->texture_reflection : r_texture_black);
2640                 }
2641                 else
2642                 {
2643                         if (permutation & SHADERPERMUTATION_REFLECTION        ) R_Mesh_TexBind(GL20TU_REFLECTION        , waterplane->texture_reflection ? waterplane->texture_reflection : r_texture_black);
2644                 }
2645 //              if (rsurfacepass == RSURFPASS_DEFERREDLIGHT           ) R_Mesh_TexBind(GL20TU_SCREENDEPTH       , r_shadow_prepassgeometrydepthtexture                );
2646 //              if (rsurfacepass == RSURFPASS_DEFERREDLIGHT           ) R_Mesh_TexBind(GL20TU_SCREENNORMALMAP   , r_shadow_prepassgeometrynormalmaptexture            );
2647                 if (permutation & SHADERPERMUTATION_DEFERREDLIGHTMAP  ) R_Mesh_TexBind(GL20TU_SCREENDIFFUSE     , r_shadow_prepasslightingdiffusetexture              );
2648                 if (permutation & SHADERPERMUTATION_DEFERREDLIGHTMAP  ) R_Mesh_TexBind(GL20TU_SCREENSPECULAR    , r_shadow_prepasslightingspeculartexture             );
2649                 if (rsurface.rtlight || (r_shadow_usingshadowmaportho && !(rsurface.ent_flags & RENDER_NOSELFSHADOW)))
2650                 {
2651                         R_Mesh_TexBind(GL20TU_SHADOWMAP2D, r_shadow_shadowmap2dcolortexture);
2652                         if (rsurface.rtlight)
2653                         {
2654                                 if (permutation & SHADERPERMUTATION_CUBEFILTER        ) R_Mesh_TexBind(GL20TU_CUBE              , rsurface.rtlight->currentcubemap                    );
2655                                 if (permutation & SHADERPERMUTATION_SHADOWMAPVSDCT    ) R_Mesh_TexBind(GL20TU_CUBEPROJECTION    , r_shadow_shadowmapvsdcttexture                      );
2656                         }
2657                 }
2658 #endif
2659                 break;
2660         case RENDERPATH_D3D10:
2661                 Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
2662                 break;
2663         case RENDERPATH_D3D11:
2664                 Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
2665                 break;
2666         case RENDERPATH_GL20:
2667         case RENDERPATH_GLES2:
2668                 if (!vid.useinterleavedarrays)
2669                 {
2670                         RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_NORMAL | BATCHNEED_ARRAY_VECTOR | (rsurface.modellightmapcolor4f ? BATCHNEED_ARRAY_VERTEXCOLOR : 0) | BATCHNEED_ARRAY_TEXCOORD | (rsurface.uselightmaptexture ? BATCHNEED_ARRAY_LIGHTMAP : 0), texturenumsurfaces, texturesurfacelist);
2671                         R_Mesh_VertexPointer(     3, GL_FLOAT, sizeof(float[3]), rsurface.batchvertex3f, rsurface.batchvertex3f_vertexbuffer, rsurface.batchvertex3f_bufferoffset);
2672                         R_Mesh_ColorPointer(      4, GL_FLOAT, sizeof(float[4]), rsurface.batchlightmapcolor4f, rsurface.batchlightmapcolor4f_vertexbuffer, rsurface.batchlightmapcolor4f_bufferoffset);
2673                         R_Mesh_TexCoordPointer(0, 2, GL_FLOAT, sizeof(float[2]), rsurface.batchtexcoordtexture2f, rsurface.batchtexcoordtexture2f_vertexbuffer, rsurface.batchtexcoordtexture2f_bufferoffset);
2674                         R_Mesh_TexCoordPointer(1, 3, GL_FLOAT, sizeof(float[3]), rsurface.batchsvector3f, rsurface.batchsvector3f_vertexbuffer, rsurface.batchsvector3f_bufferoffset);
2675                         R_Mesh_TexCoordPointer(2, 3, GL_FLOAT, sizeof(float[3]), rsurface.batchtvector3f, rsurface.batchtvector3f_vertexbuffer, rsurface.batchtvector3f_bufferoffset);
2676                         R_Mesh_TexCoordPointer(3, 3, GL_FLOAT, sizeof(float[3]), rsurface.batchnormal3f, rsurface.batchnormal3f_vertexbuffer, rsurface.batchnormal3f_bufferoffset);
2677                         R_Mesh_TexCoordPointer(4, 2, GL_FLOAT, sizeof(float[2]), rsurface.batchtexcoordlightmap2f, rsurface.batchtexcoordlightmap2f_vertexbuffer, rsurface.batchtexcoordlightmap2f_bufferoffset);
2678                 }
2679                 else
2680                 {
2681                         RSurf_PrepareVerticesForBatch(BATCHNEED_VERTEXMESH_VERTEX | BATCHNEED_VERTEXMESH_NORMAL | BATCHNEED_VERTEXMESH_VECTOR | (rsurface.modellightmapcolor4f ? BATCHNEED_VERTEXMESH_VERTEXCOLOR : 0) | BATCHNEED_VERTEXMESH_TEXCOORD | (rsurface.uselightmaptexture ? BATCHNEED_VERTEXMESH_LIGHTMAP : 0), texturenumsurfaces, texturesurfacelist);
2682                         R_Mesh_PrepareVertices_Mesh(rsurface.batchnumvertices, rsurface.batchvertexmesh, rsurface.batchvertexmeshbuffer);
2683                 }
2684                 R_SetupShader_SetPermutationGLSL(mode, permutation);
2685                 if (r_glsl_permutation->loc_ModelToReflectCube >= 0) {Matrix4x4_ToArrayFloatGL(&rsurface.matrix, m16f);qglUniformMatrix4fv(r_glsl_permutation->loc_ModelToReflectCube, 1, false, m16f);}
2686                 if (mode == SHADERMODE_LIGHTSOURCE)
2687                 {
2688                         if (r_glsl_permutation->loc_ModelToLight >= 0) {Matrix4x4_ToArrayFloatGL(&rsurface.entitytolight, m16f);qglUniformMatrix4fv(r_glsl_permutation->loc_ModelToLight, 1, false, m16f);}
2689                         if (r_glsl_permutation->loc_LightPosition >= 0) qglUniform3f(r_glsl_permutation->loc_LightPosition, rsurface.entitylightorigin[0], rsurface.entitylightorigin[1], rsurface.entitylightorigin[2]);
2690                         if (r_glsl_permutation->loc_LightColor >= 0) qglUniform3f(r_glsl_permutation->loc_LightColor, lightcolorbase[0], lightcolorbase[1], lightcolorbase[2]);
2691                         if (r_glsl_permutation->loc_Color_Ambient >= 0) qglUniform3f(r_glsl_permutation->loc_Color_Ambient, colormod[0] * ambientscale, colormod[1] * ambientscale, colormod[2] * ambientscale);
2692                         if (r_glsl_permutation->loc_Color_Diffuse >= 0) qglUniform3f(r_glsl_permutation->loc_Color_Diffuse, colormod[0] * diffusescale, colormod[1] * diffusescale, colormod[2] * diffusescale);
2693                         if (r_glsl_permutation->loc_Color_Specular >= 0) qglUniform3f(r_glsl_permutation->loc_Color_Specular, r_refdef.view.colorscale * specularscale, r_refdef.view.colorscale * specularscale, r_refdef.view.colorscale * specularscale);
2694
2695                         // additive passes are only darkened by fog, not tinted
2696                         if (r_glsl_permutation->loc_FogColor >= 0)
2697                                 qglUniform3f(r_glsl_permutation->loc_FogColor, 0, 0, 0);
2698                         if (r_glsl_permutation->loc_SpecularPower >= 0) qglUniform1f(r_glsl_permutation->loc_SpecularPower, rsurface.texture->specularpower * (r_shadow_glossexact.integer ? 0.25f : 1.0f) - 1.0f);
2699                 }
2700                 else
2701                 {
2702                         if (mode == SHADERMODE_FLATCOLOR)
2703                         {
2704                                 if (r_glsl_permutation->loc_Color_Ambient >= 0) qglUniform3f(r_glsl_permutation->loc_Color_Ambient, colormod[0], colormod[1], colormod[2]);
2705                         }
2706                         else if (mode == SHADERMODE_LIGHTDIRECTION)
2707                         {
2708                                 if (r_glsl_permutation->loc_Color_Ambient >= 0) qglUniform3f(r_glsl_permutation->loc_Color_Ambient, (r_refdef.scene.ambient + rsurface.modellight_ambient[0] * r_refdef.lightmapintensity * r_refdef.scene.rtlightstylevalue[0]) * colormod[0], (r_refdef.scene.ambient + rsurface.modellight_ambient[1] * r_refdef.lightmapintensity * r_refdef.scene.rtlightstylevalue[0]) * colormod[1], (r_refdef.scene.ambient + rsurface.modellight_ambient[2] * r_refdef.lightmapintensity * r_refdef.scene.rtlightstylevalue[0]) * colormod[2]);
2709                                 if (r_glsl_permutation->loc_Color_Diffuse >= 0) qglUniform3f(r_glsl_permutation->loc_Color_Diffuse, r_refdef.lightmapintensity * colormod[0], r_refdef.lightmapintensity * colormod[1], r_refdef.lightmapintensity * colormod[2]);
2710                                 if (r_glsl_permutation->loc_Color_Specular >= 0) qglUniform3f(r_glsl_permutation->loc_Color_Specular, r_refdef.lightmapintensity * r_refdef.view.colorscale * specularscale, r_refdef.lightmapintensity * r_refdef.view.colorscale * specularscale, r_refdef.lightmapintensity * r_refdef.view.colorscale * specularscale);
2711                                 if (r_glsl_permutation->loc_DeferredMod_Diffuse >= 0) qglUniform3f(r_glsl_permutation->loc_DeferredMod_Diffuse, colormod[0] * r_shadow_deferred_8bitrange.value, colormod[1] * r_shadow_deferred_8bitrange.value, colormod[2] * r_shadow_deferred_8bitrange.value);
2712                                 if (r_glsl_permutation->loc_DeferredMod_Specular >= 0) qglUniform3f(r_glsl_permutation->loc_DeferredMod_Specular, specularscale * r_shadow_deferred_8bitrange.value, specularscale * r_shadow_deferred_8bitrange.value, specularscale * r_shadow_deferred_8bitrange.value);
2713                                 if (r_glsl_permutation->loc_LightColor >= 0) qglUniform3f(r_glsl_permutation->loc_LightColor, rsurface.modellight_diffuse[0] * r_refdef.scene.rtlightstylevalue[0], rsurface.modellight_diffuse[1] * r_refdef.scene.rtlightstylevalue[0], rsurface.modellight_diffuse[2] * r_refdef.scene.rtlightstylevalue[0]);
2714                                 if (r_glsl_permutation->loc_LightDir >= 0) qglUniform3f(r_glsl_permutation->loc_LightDir, rsurface.modellight_lightdir[0], rsurface.modellight_lightdir[1], rsurface.modellight_lightdir[2]);
2715                         }
2716                         else
2717                         {
2718                                 if (r_glsl_permutation->loc_Color_Ambient >= 0) qglUniform3f(r_glsl_permutation->loc_Color_Ambient, r_refdef.scene.ambient * colormod[0], r_refdef.scene.ambient * colormod[1], r_refdef.scene.ambient * colormod[2]);
2719                                 if (r_glsl_permutation->loc_Color_Diffuse >= 0) qglUniform3f(r_glsl_permutation->loc_Color_Diffuse, rsurface.texture->lightmapcolor[0], rsurface.texture->lightmapcolor[1], rsurface.texture->lightmapcolor[2]);
2720                                 if (r_glsl_permutation->loc_Color_Specular >= 0) qglUniform3f(r_glsl_permutation->loc_Color_Specular, r_refdef.lightmapintensity * r_refdef.view.colorscale * specularscale, r_refdef.lightmapintensity * r_refdef.view.colorscale * specularscale, r_refdef.lightmapintensity * r_refdef.view.colorscale * specularscale);
2721                                 if (r_glsl_permutation->loc_DeferredMod_Diffuse >= 0) qglUniform3f(r_glsl_permutation->loc_DeferredMod_Diffuse, colormod[0] * diffusescale * r_shadow_deferred_8bitrange.value, colormod[1] * diffusescale * r_shadow_deferred_8bitrange.value, colormod[2] * diffusescale * r_shadow_deferred_8bitrange.value);
2722                                 if (r_glsl_permutation->loc_DeferredMod_Specular >= 0) qglUniform3f(r_glsl_permutation->loc_DeferredMod_Specular, specularscale * r_shadow_deferred_8bitrange.value, specularscale * r_shadow_deferred_8bitrange.value, specularscale * r_shadow_deferred_8bitrange.value);
2723                         }
2724                         // additive passes are only darkened by fog, not tinted
2725                         if (r_glsl_permutation->loc_FogColor >= 0)
2726                         {
2727                                 if(blendfuncflags & BLENDFUNC_ALLOWS_FOG_HACK0)
2728                                         qglUniform3f(r_glsl_permutation->loc_FogColor, 0, 0, 0);
2729                                 else
2730                                         qglUniform3f(r_glsl_permutation->loc_FogColor, r_refdef.fogcolor[0], r_refdef.fogcolor[1], r_refdef.fogcolor[2]);
2731                         }
2732                         if (r_glsl_permutation->loc_DistortScaleRefractReflect >= 0) qglUniform4f(r_glsl_permutation->loc_DistortScaleRefractReflect, r_water_refractdistort.value * rsurface.texture->refractfactor, r_water_refractdistort.value * rsurface.texture->refractfactor, r_water_reflectdistort.value * rsurface.texture->reflectfactor, r_water_reflectdistort.value * rsurface.texture->reflectfactor);
2733                         if (r_glsl_permutation->loc_ScreenScaleRefractReflect >= 0) qglUniform4f(r_glsl_permutation->loc_ScreenScaleRefractReflect, r_fb.water.screenscale[0], r_fb.water.screenscale[1], r_fb.water.screenscale[0], r_fb.water.screenscale[1]);
2734                         if (r_glsl_permutation->loc_ScreenCenterRefractReflect >= 0) qglUniform4f(r_glsl_permutation->loc_ScreenCenterRefractReflect, r_fb.water.screencenter[0], r_fb.water.screencenter[1], r_fb.water.screencenter[0], r_fb.water.screencenter[1]);
2735                         if (r_glsl_permutation->loc_RefractColor >= 0) qglUniform4f(r_glsl_permutation->loc_RefractColor, rsurface.texture->refractcolor4f[0], rsurface.texture->refractcolor4f[1], rsurface.texture->refractcolor4f[2], rsurface.texture->refractcolor4f[3] * rsurface.texture->lightmapcolor[3]);
2736                         if (r_glsl_permutation->loc_ReflectColor >= 0) qglUniform4f(r_glsl_permutation->loc_ReflectColor, rsurface.texture->reflectcolor4f[0], rsurface.texture->reflectcolor4f[1], rsurface.texture->reflectcolor4f[2], rsurface.texture->reflectcolor4f[3] * rsurface.texture->lightmapcolor[3]);
2737                         if (r_glsl_permutation->loc_ReflectFactor >= 0) qglUniform1f(r_glsl_permutation->loc_ReflectFactor, rsurface.texture->reflectmax - rsurface.texture->reflectmin);
2738                         if (r_glsl_permutation->loc_ReflectOffset >= 0) qglUniform1f(r_glsl_permutation->loc_ReflectOffset, rsurface.texture->reflectmin);
2739                         if (r_glsl_permutation->loc_SpecularPower >= 0) qglUniform1f(r_glsl_permutation->loc_SpecularPower, rsurface.texture->specularpower * (r_shadow_glossexact.integer ? 0.25f : 1.0f) - 1.0f);
2740                         if (r_glsl_permutation->loc_NormalmapScrollBlend >= 0) qglUniform2f(r_glsl_permutation->loc_NormalmapScrollBlend, rsurface.texture->r_water_waterscroll[0], rsurface.texture->r_water_waterscroll[1]);
2741                 }
2742                 if (r_glsl_permutation->loc_TexMatrix >= 0) {Matrix4x4_ToArrayFloatGL(&rsurface.texture->currenttexmatrix, m16f);qglUniformMatrix4fv(r_glsl_permutation->loc_TexMatrix, 1, false, m16f);}
2743                 if (r_glsl_permutation->loc_BackgroundTexMatrix >= 0) {Matrix4x4_ToArrayFloatGL(&rsurface.texture->currentbackgroundtexmatrix, m16f);qglUniformMatrix4fv(r_glsl_permutation->loc_BackgroundTexMatrix, 1, false, m16f);}
2744                 if (r_glsl_permutation->loc_ShadowMapMatrix >= 0) {Matrix4x4_ToArrayFloatGL(&r_shadow_shadowmapmatrix, m16f);qglUniformMatrix4fv(r_glsl_permutation->loc_ShadowMapMatrix, 1, false, m16f);}
2745                 if (r_glsl_permutation->loc_ShadowMap_TextureScale >= 0) qglUniform2f(r_glsl_permutation->loc_ShadowMap_TextureScale, r_shadow_shadowmap_texturescale[0], r_shadow_shadowmap_texturescale[1]);
2746                 if (r_glsl_permutation->loc_ShadowMap_Parameters >= 0) qglUniform4f(r_glsl_permutation->loc_ShadowMap_Parameters, r_shadow_shadowmap_parameters[0], r_shadow_shadowmap_parameters[1], r_shadow_shadowmap_parameters[2], r_shadow_shadowmap_parameters[3]);
2747
2748                 if (r_glsl_permutation->loc_Color_Glow >= 0) qglUniform3f(r_glsl_permutation->loc_Color_Glow, rsurface.glowmod[0], rsurface.glowmod[1], rsurface.glowmod[2]);
2749                 if (r_glsl_permutation->loc_Alpha >= 0) qglUniform1f(r_glsl_permutation->loc_Alpha, rsurface.texture->lightmapcolor[3] * ((rsurface.texture->basematerialflags & MATERIALFLAG_WATERSHADER && r_fb.water.enabled && !r_refdef.view.isoverlay) ? rsurface.texture->r_water_wateralpha : 1));
2750                 if (r_glsl_permutation->loc_EyePosition >= 0) qglUniform3f(r_glsl_permutation->loc_EyePosition, rsurface.localvieworigin[0], rsurface.localvieworigin[1], rsurface.localvieworigin[2]);
2751                 if (r_glsl_permutation->loc_Color_Pants >= 0)
2752                 {
2753                         if (rsurface.texture->pantstexture)
2754                                 qglUniform3f(r_glsl_permutation->loc_Color_Pants, rsurface.colormap_pantscolor[0], rsurface.colormap_pantscolor[1], rsurface.colormap_pantscolor[2]);
2755                         else
2756                                 qglUniform3f(r_glsl_permutation->loc_Color_Pants, 0, 0, 0);
2757                 }
2758                 if (r_glsl_permutation->loc_Color_Shirt >= 0)
2759                 {
2760                         if (rsurface.texture->shirttexture)
2761                                 qglUniform3f(r_glsl_permutation->loc_Color_Shirt, rsurface.colormap_shirtcolor[0], rsurface.colormap_shirtcolor[1], rsurface.colormap_shirtcolor[2]);
2762                         else
2763                                 qglUniform3f(r_glsl_permutation->loc_Color_Shirt, 0, 0, 0);
2764                 }
2765                 if (r_glsl_permutation->loc_FogPlane >= 0) qglUniform4f(r_glsl_permutation->loc_FogPlane, rsurface.fogplane[0], rsurface.fogplane[1], rsurface.fogplane[2], rsurface.fogplane[3]);
2766                 if (r_glsl_permutation->loc_FogPlaneViewDist >= 0) qglUniform1f(r_glsl_permutation->loc_FogPlaneViewDist, rsurface.fogplaneviewdist);
2767                 if (r_glsl_permutation->loc_FogRangeRecip >= 0) qglUniform1f(r_glsl_permutation->loc_FogRangeRecip, rsurface.fograngerecip);
2768                 if (r_glsl_permutation->loc_FogHeightFade >= 0) qglUniform1f(r_glsl_permutation->loc_FogHeightFade, rsurface.fogheightfade);
2769                 if (r_glsl_permutation->loc_OffsetMapping_ScaleSteps >= 0) qglUniform4f(r_glsl_permutation->loc_OffsetMapping_ScaleSteps,
2770                                 r_glsl_offsetmapping_scale.value*rsurface.texture->offsetscale,
2771                                 max(1, (permutation & SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING) ? r_glsl_offsetmapping_reliefmapping_steps.integer : r_glsl_offsetmapping_steps.integer),
2772                                 1.0 / max(1, (permutation & SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING) ? r_glsl_offsetmapping_reliefmapping_steps.integer : r_glsl_offsetmapping_steps.integer),
2773                                 max(1, r_glsl_offsetmapping_reliefmapping_refinesteps.integer)
2774                         );
2775                 if (r_glsl_permutation->loc_OffsetMapping_LodDistance >= 0) qglUniform1f(r_glsl_permutation->loc_OffsetMapping_LodDistance, r_glsl_offsetmapping_lod_distance.integer);
2776                 if (r_glsl_permutation->loc_OffsetMapping_Bias >= 0) qglUniform1f(r_glsl_permutation->loc_OffsetMapping_Bias, rsurface.texture->offsetbias);
2777                 if (r_glsl_permutation->loc_ScreenToDepth >= 0) qglUniform2f(r_glsl_permutation->loc_ScreenToDepth, r_refdef.view.viewport.screentodepth[0], r_refdef.view.viewport.screentodepth[1]);
2778                 if (r_glsl_permutation->loc_PixelToScreenTexCoord >= 0) qglUniform2f(r_glsl_permutation->loc_PixelToScreenTexCoord, 1.0f/vid.width, 1.0f/vid.height);
2779                 if (r_glsl_permutation->loc_BounceGridMatrix >= 0) {Matrix4x4_Concat(&tempmatrix, &r_shadow_bouncegridmatrix, &rsurface.matrix);Matrix4x4_ToArrayFloatGL(&tempmatrix, m16f);qglUniformMatrix4fv(r_glsl_permutation->loc_BounceGridMatrix, 1, false, m16f);}
2780                 if (r_glsl_permutation->loc_BounceGridIntensity >= 0) qglUniform1f(r_glsl_permutation->loc_BounceGridIntensity, r_shadow_bouncegridintensity*r_refdef.view.colorscale);
2781
2782                 if (r_glsl_permutation->tex_Texture_First           >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_First            , r_texture_white                                     );
2783                 if (r_glsl_permutation->tex_Texture_Second          >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Second           , r_texture_white                                     );
2784                 if (r_glsl_permutation->tex_Texture_GammaRamps      >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_GammaRamps       , r_texture_gammaramps                                );
2785                 if (r_glsl_permutation->tex_Texture_Normal          >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Normal           , rsurface.texture->nmaptexture                       );
2786                 if (r_glsl_permutation->tex_Texture_Color           >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Color            , rsurface.texture->basetexture                       );
2787                 if (r_glsl_permutation->tex_Texture_Gloss           >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Gloss            , rsurface.texture->glosstexture                      );
2788                 if (r_glsl_permutation->tex_Texture_Glow            >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Glow             , rsurface.texture->glowtexture                       );
2789                 if (r_glsl_permutation->tex_Texture_SecondaryNormal >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_SecondaryNormal  , rsurface.texture->backgroundnmaptexture             );
2790                 if (r_glsl_permutation->tex_Texture_SecondaryColor  >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_SecondaryColor   , rsurface.texture->backgroundbasetexture             );
2791                 if (r_glsl_permutation->tex_Texture_SecondaryGloss  >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_SecondaryGloss   , rsurface.texture->backgroundglosstexture            );
2792                 if (r_glsl_permutation->tex_Texture_SecondaryGlow   >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_SecondaryGlow    , rsurface.texture->backgroundglowtexture             );
2793                 if (r_glsl_permutation->tex_Texture_Pants           >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Pants            , rsurface.texture->pantstexture                      );
2794                 if (r_glsl_permutation->tex_Texture_Shirt           >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Shirt            , rsurface.texture->shirttexture                      );
2795                 if (r_glsl_permutation->tex_Texture_ReflectMask     >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_ReflectMask      , rsurface.texture->reflectmasktexture                );
2796                 if (r_glsl_permutation->tex_Texture_ReflectCube     >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_ReflectCube      , rsurface.texture->reflectcubetexture ? rsurface.texture->reflectcubetexture : r_texture_whitecube);
2797                 if (r_glsl_permutation->tex_Texture_FogHeightTexture>= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_FogHeightTexture , r_texture_fogheighttexture                          );
2798                 if (r_glsl_permutation->tex_Texture_FogMask         >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_FogMask          , r_texture_fogattenuation                            );
2799                 if (r_glsl_permutation->tex_Texture_Lightmap        >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Lightmap         , rsurface.lightmaptexture ? rsurface.lightmaptexture : r_texture_white);
2800                 if (r_glsl_permutation->tex_Texture_Deluxemap       >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Deluxemap        , rsurface.deluxemaptexture ? rsurface.deluxemaptexture : r_texture_blanknormalmap);
2801                 if (r_glsl_permutation->tex_Texture_Attenuation     >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Attenuation      , r_shadow_attenuationgradienttexture                 );
2802                 if (rsurfacepass == RSURFPASS_BACKGROUND)
2803                 {
2804                         if (r_glsl_permutation->tex_Texture_Refraction  >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Refraction        , waterplane->texture_refraction ? waterplane->texture_refraction : r_texture_black);
2805                         if (r_glsl_permutation->tex_Texture_First       >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_First             , waterplane->texture_camera ? waterplane->texture_camera : r_texture_black);
2806                         if (r_glsl_permutation->tex_Texture_Reflection  >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Reflection        , waterplane->texture_reflection ? waterplane->texture_reflection : r_texture_black);
2807                 }
2808                 else
2809                 {
2810                         if (r_glsl_permutation->tex_Texture_Reflection >= 0 && waterplane) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Reflection        , waterplane->texture_reflection ? waterplane->texture_reflection : r_texture_black);
2811                 }
2812                 if (r_glsl_permutation->tex_Texture_ScreenDepth     >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_ScreenDepth       , r_shadow_prepassgeometrydepthtexture                );
2813                 if (r_glsl_permutation->tex_Texture_ScreenNormalMap >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_ScreenNormalMap   , r_shadow_prepassgeometrynormalmaptexture            );
2814                 if (r_glsl_permutation->tex_Texture_ScreenDiffuse   >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_ScreenDiffuse     , r_shadow_prepasslightingdiffusetexture              );
2815                 if (r_glsl_permutation->tex_Texture_ScreenSpecular  >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_ScreenSpecular    , r_shadow_prepasslightingspeculartexture             );
2816                 if (rsurface.rtlight || (r_shadow_usingshadowmaportho && !(rsurface.ent_flags & RENDER_NOSELFSHADOW)))
2817                 {
2818                         if (r_glsl_permutation->tex_Texture_ShadowMap2D     >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_ShadowMap2D, r_shadow_shadowmap2dtexture                         );
2819                         if (rsurface.rtlight)
2820                         {
2821                                 if (r_glsl_permutation->tex_Texture_Cube            >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Cube              , rsurface.rtlight->currentcubemap                    );
2822                                 if (r_glsl_permutation->tex_Texture_CubeProjection  >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_CubeProjection    , r_shadow_shadowmapvsdcttexture                      );
2823                         }
2824                 }
2825                 if (r_glsl_permutation->tex_Texture_BounceGrid  >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_BounceGrid, r_shadow_bouncegridtexture);
2826                 CHECKGLERROR
2827                 break;
2828         case RENDERPATH_GL11:
2829         case RENDERPATH_GL13:
2830         case RENDERPATH_GLES1:
2831                 break;
2832         case RENDERPATH_SOFT:
2833                 RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_NORMAL | BATCHNEED_ARRAY_VECTOR | (rsurface.modellightmapcolor4f ? BATCHNEED_ARRAY_VERTEXCOLOR : 0) | BATCHNEED_ARRAY_TEXCOORD | (rsurface.uselightmaptexture ? BATCHNEED_ARRAY_LIGHTMAP : 0), texturenumsurfaces, texturesurfacelist);
2834                 R_Mesh_PrepareVertices_Mesh_Arrays(rsurface.batchnumvertices, rsurface.batchvertex3f, rsurface.batchsvector3f, rsurface.batchtvector3f, rsurface.batchnormal3f, rsurface.batchlightmapcolor4f, rsurface.batchtexcoordtexture2f, rsurface.batchtexcoordlightmap2f);
2835                 R_SetupShader_SetPermutationSoft(mode, permutation);
2836                 {Matrix4x4_ToArrayFloatGL(&rsurface.matrix, m16f);DPSOFTRAST_UniformMatrix4fv(DPSOFTRAST_UNIFORM_ModelToReflectCubeM1, 1, false, m16f);}
2837                 if (mode == SHADERMODE_LIGHTSOURCE)
2838                 {
2839                         {Matrix4x4_ToArrayFloatGL(&rsurface.entitytolight, m16f);DPSOFTRAST_UniformMatrix4fv(DPSOFTRAST_UNIFORM_ModelToLightM1, 1, false, m16f);}
2840                         DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_LightPosition, rsurface.entitylightorigin[0], rsurface.entitylightorigin[1], rsurface.entitylightorigin[2]);
2841                         DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_LightColor, lightcolorbase[0], lightcolorbase[1], lightcolorbase[2]);
2842                         DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_Color_Ambient, colormod[0] * ambientscale, colormod[1] * ambientscale, colormod[2] * ambientscale);
2843                         DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_Color_Diffuse, colormod[0] * diffusescale, colormod[1] * diffusescale, colormod[2] * diffusescale);
2844                         DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_Color_Specular, r_refdef.view.colorscale * specularscale, r_refdef.view.colorscale * specularscale, r_refdef.view.colorscale * specularscale);
2845
2846                         // additive passes are only darkened by fog, not tinted
2847                         DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_FogColor, 0, 0, 0);
2848                         DPSOFTRAST_Uniform1f(DPSOFTRAST_UNIFORM_SpecularPower, rsurface.texture->specularpower * (r_shadow_glossexact.integer ? 0.25f : 1.0f) - 1.0f);
2849                 }
2850                 else
2851                 {
2852                         if (mode == SHADERMODE_FLATCOLOR)
2853                         {
2854                                 DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_Color_Ambient, colormod[0], colormod[1], colormod[2]);
2855                         }
2856                         else if (mode == SHADERMODE_LIGHTDIRECTION)
2857                         {
2858                                 DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_Color_Ambient, (r_refdef.scene.ambient + rsurface.modellight_ambient[0] * r_refdef.lightmapintensity * r_refdef.scene.rtlightstylevalue[0]) * colormod[0], (r_refdef.scene.ambient + rsurface.modellight_ambient[1] * r_refdef.lightmapintensity * r_refdef.scene.rtlightstylevalue[0]) * colormod[1], (r_refdef.scene.ambient + rsurface.modellight_ambient[2] * r_refdef.lightmapintensity * r_refdef.scene.rtlightstylevalue[0]) * colormod[2]);
2859                                 DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_Color_Diffuse, r_refdef.lightmapintensity * colormod[0], r_refdef.lightmapintensity * colormod[1], r_refdef.lightmapintensity * colormod[2]);
2860                                 DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_Color_Specular, r_refdef.lightmapintensity * r_refdef.view.colorscale * specularscale, r_refdef.lightmapintensity * r_refdef.view.colorscale * specularscale, r_refdef.lightmapintensity * r_refdef.view.colorscale * specularscale);
2861                                 DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_DeferredMod_Diffuse, colormod[0] * r_shadow_deferred_8bitrange.value, colormod[1] * r_shadow_deferred_8bitrange.value, colormod[2] * r_shadow_deferred_8bitrange.value);
2862                                 DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_DeferredMod_Specular, specularscale * r_shadow_deferred_8bitrange.value, specularscale * r_shadow_deferred_8bitrange.value, specularscale * r_shadow_deferred_8bitrange.value);
2863                                 DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_LightColor, rsurface.modellight_diffuse[0] * r_refdef.scene.rtlightstylevalue[0], rsurface.modellight_diffuse[1] * r_refdef.scene.rtlightstylevalue[0], rsurface.modellight_diffuse[2] * r_refdef.scene.rtlightstylevalue[0]);
2864                                 DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_LightDir, rsurface.modellight_lightdir[0], rsurface.modellight_lightdir[1], rsurface.modellight_lightdir[2]);
2865                         }
2866                         else
2867                         {
2868                                 DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_Color_Ambient, r_refdef.scene.ambient * colormod[0], r_refdef.scene.ambient * colormod[1], r_refdef.scene.ambient * colormod[2]);
2869                                 DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_Color_Diffuse, rsurface.texture->lightmapcolor[0], rsurface.texture->lightmapcolor[1], rsurface.texture->lightmapcolor[2]);
2870                                 DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_Color_Specular, r_refdef.lightmapintensity * r_refdef.view.colorscale * specularscale, r_refdef.lightmapintensity * r_refdef.view.colorscale * specularscale, r_refdef.lightmapintensity * r_refdef.view.colorscale * specularscale);
2871                                 DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_DeferredMod_Diffuse, colormod[0] * diffusescale * r_shadow_deferred_8bitrange.value, colormod[1] * diffusescale * r_shadow_deferred_8bitrange.value, colormod[2] * diffusescale * r_shadow_deferred_8bitrange.value);
2872                                 DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_DeferredMod_Specular, specularscale * r_shadow_deferred_8bitrange.value, specularscale * r_shadow_deferred_8bitrange.value, specularscale * r_shadow_deferred_8bitrange.value);
2873                         }
2874                         // additive passes are only darkened by fog, not tinted
2875                         if(blendfuncflags & BLENDFUNC_ALLOWS_FOG_HACK0)
2876                                 DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_FogColor, 0, 0, 0);
2877                         else
2878                                 DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_FogColor, r_refdef.fogcolor[0], r_refdef.fogcolor[1], r_refdef.fogcolor[2]);
2879                         DPSOFTRAST_Uniform4f(DPSOFTRAST_UNIFORM_DistortScaleRefractReflect, r_water_refractdistort.value * rsurface.texture->refractfactor, r_water_refractdistort.value * rsurface.texture->refractfactor, r_water_reflectdistort.value * rsurface.texture->reflectfactor, r_water_reflectdistort.value * rsurface.texture->reflectfactor);
2880                         DPSOFTRAST_Uniform4f(DPSOFTRAST_UNIFORM_ScreenScaleRefractReflect, r_fb.water.screenscale[0], r_fb.water.screenscale[1], r_fb.water.screenscale[0], r_fb.water.screenscale[1]);
2881                         DPSOFTRAST_Uniform4f(DPSOFTRAST_UNIFORM_ScreenCenterRefractReflect, r_fb.water.screencenter[0], r_fb.water.screencenter[1], r_fb.water.screencenter[0], r_fb.water.screencenter[1]);
2882                         DPSOFTRAST_Uniform4f(DPSOFTRAST_UNIFORM_RefractColor, rsurface.texture->refractcolor4f[0], rsurface.texture->refractcolor4f[1], rsurface.texture->refractcolor4f[2], rsurface.texture->refractcolor4f[3] * rsurface.texture->lightmapcolor[3]);
2883                         DPSOFTRAST_Uniform4f(DPSOFTRAST_UNIFORM_ReflectColor, rsurface.texture->reflectcolor4f[0], rsurface.texture->reflectcolor4f[1], rsurface.texture->reflectcolor4f[2], rsurface.texture->reflectcolor4f[3] * rsurface.texture->lightmapcolor[3]);
2884                         DPSOFTRAST_Uniform1f(DPSOFTRAST_UNIFORM_ReflectFactor, rsurface.texture->reflectmax - rsurface.texture->reflectmin);
2885                         DPSOFTRAST_Uniform1f(DPSOFTRAST_UNIFORM_ReflectOffset, rsurface.texture->reflectmin);
2886                         DPSOFTRAST_Uniform1f(DPSOFTRAST_UNIFORM_SpecularPower, rsurface.texture->specularpower * (r_shadow_glossexact.integer ? 0.25f : 1.0f) - 1.0f);
2887                         DPSOFTRAST_Uniform2f(DPSOFTRAST_UNIFORM_NormalmapScrollBlend, rsurface.texture->r_water_waterscroll[0], rsurface.texture->r_water_waterscroll[1]);
2888                 }
2889                 {Matrix4x4_ToArrayFloatGL(&rsurface.texture->currenttexmatrix, m16f);DPSOFTRAST_UniformMatrix4fv(DPSOFTRAST_UNIFORM_TexMatrixM1, 1, false, m16f);}
2890                 {Matrix4x4_ToArrayFloatGL(&rsurface.texture->currentbackgroundtexmatrix, m16f);DPSOFTRAST_UniformMatrix4fv(DPSOFTRAST_UNIFORM_BackgroundTexMatrixM1, 1, false, m16f);}
2891                 {Matrix4x4_ToArrayFloatGL(&r_shadow_shadowmapmatrix, m16f);DPSOFTRAST_UniformMatrix4fv(DPSOFTRAST_UNIFORM_ShadowMapMatrixM1, 1, false, m16f);}
2892                 DPSOFTRAST_Uniform2f(DPSOFTRAST_UNIFORM_ShadowMap_TextureScale, r_shadow_shadowmap_texturescale[0], r_shadow_shadowmap_texturescale[1]);
2893                 DPSOFTRAST_Uniform4f(DPSOFTRAST_UNIFORM_ShadowMap_Parameters, r_shadow_shadowmap_parameters[0], r_shadow_shadowmap_parameters[1], r_shadow_shadowmap_parameters[2], r_shadow_shadowmap_parameters[3]);
2894
2895                 DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_Color_Glow, rsurface.glowmod[0], rsurface.glowmod[1], rsurface.glowmod[2]);
2896                 DPSOFTRAST_Uniform1f(DPSOFTRAST_UNIFORM_Alpha, rsurface.texture->lightmapcolor[3] * ((rsurface.texture->basematerialflags & MATERIALFLAG_WATERSHADER && r_fb.water.enabled && !r_refdef.view.isoverlay) ? rsurface.texture->r_water_wateralpha : 1));
2897                 DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_EyePosition, rsurface.localvieworigin[0], rsurface.localvieworigin[1], rsurface.localvieworigin[2]);
2898                 if (DPSOFTRAST_UNIFORM_Color_Pants >= 0)
2899                 {
2900                         if (rsurface.texture->pantstexture)
2901                                 DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_Color_Pants, rsurface.colormap_pantscolor[0], rsurface.colormap_pantscolor[1], rsurface.colormap_pantscolor[2]);
2902                         else
2903                                 DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_Color_Pants, 0, 0, 0);
2904                 }
2905                 if (DPSOFTRAST_UNIFORM_Color_Shirt >= 0)
2906                 {
2907                         if (rsurface.texture->shirttexture)
2908                                 DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_Color_Shirt, rsurface.colormap_shirtcolor[0], rsurface.colormap_shirtcolor[1], rsurface.colormap_shirtcolor[2]);
2909                         else
2910                                 DPSOFTRAST_Uniform3f(DPSOFTRAST_UNIFORM_Color_Shirt, 0, 0, 0);
2911                 }
2912                 DPSOFTRAST_Uniform4f(DPSOFTRAST_UNIFORM_FogPlane, rsurface.fogplane[0], rsurface.fogplane[1], rsurface.fogplane[2], rsurface.fogplane[3]);
2913                 DPSOFTRAST_Uniform1f(DPSOFTRAST_UNIFORM_FogPlaneViewDist, rsurface.fogplaneviewdist);
2914                 DPSOFTRAST_Uniform1f(DPSOFTRAST_UNIFORM_FogRangeRecip, rsurface.fograngerecip);
2915                 DPSOFTRAST_Uniform1f(DPSOFTRAST_UNIFORM_FogHeightFade, rsurface.fogheightfade);
2916                 DPSOFTRAST_Uniform4f(DPSOFTRAST_UNIFORM_OffsetMapping_ScaleSteps,
2917                                 r_glsl_offsetmapping_scale.value*rsurface.texture->offsetscale,
2918                                 max(1, (permutation & SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING) ? r_glsl_offsetmapping_reliefmapping_steps.integer : r_glsl_offsetmapping_steps.integer),
2919                                 1.0 / max(1, (permutation & SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING) ? r_glsl_offsetmapping_reliefmapping_steps.integer : r_glsl_offsetmapping_steps.integer),
2920                                 max(1, r_glsl_offsetmapping_reliefmapping_refinesteps.integer)
2921                         );
2922                 DPSOFTRAST_Uniform1f(DPSOFTRAST_UNIFORM_OffsetMapping_LodDistance, r_glsl_offsetmapping_lod_distance.integer);
2923                 DPSOFTRAST_Uniform1f(DPSOFTRAST_UNIFORM_OffsetMapping_Bias, rsurface.texture->offsetbias);
2924                 DPSOFTRAST_Uniform2f(DPSOFTRAST_UNIFORM_ScreenToDepth, r_refdef.view.viewport.screentodepth[0], r_refdef.view.viewport.screentodepth[1]);
2925                 DPSOFTRAST_Uniform2f(DPSOFTRAST_UNIFORM_PixelToScreenTexCoord, 1.0f/vid.width, 1.0f/vid.height);
2926
2927                 R_Mesh_TexBind(GL20TU_NORMAL            , rsurface.texture->nmaptexture                       );
2928                 R_Mesh_TexBind(GL20TU_COLOR             , rsurface.texture->basetexture                       );
2929                 R_Mesh_TexBind(GL20TU_GLOSS             , rsurface.texture->glosstexture                      );
2930                 R_Mesh_TexBind(GL20TU_GLOW              , rsurface.texture->glowtexture                       );
2931                 if (permutation & SHADERPERMUTATION_VERTEXTEXTUREBLEND) R_Mesh_TexBind(GL20TU_SECONDARY_NORMAL  , rsurface.texture->backgroundnmaptexture             );
2932                 if (permutation & SHADERPERMUTATION_VERTEXTEXTUREBLEND) R_Mesh_TexBind(GL20TU_SECONDARY_COLOR   , rsurface.texture->backgroundbasetexture             );
2933                 if (permutation & SHADERPERMUTATION_VERTEXTEXTUREBLEND) R_Mesh_TexBind(GL20TU_SECONDARY_GLOSS   , rsurface.texture->backgroundglosstexture            );
2934                 if (permutation & SHADERPERMUTATION_VERTEXTEXTUREBLEND) R_Mesh_TexBind(GL20TU_SECONDARY_GLOW    , rsurface.texture->backgroundglowtexture             );
2935                 if (permutation & SHADERPERMUTATION_COLORMAPPING) R_Mesh_TexBind(GL20TU_PANTS             , rsurface.texture->pantstexture                      );
2936                 if (permutation & SHADERPERMUTATION_COLORMAPPING) R_Mesh_TexBind(GL20TU_SHIRT             , rsurface.texture->shirttexture                      );
2937                 if (permutation & SHADERPERMUTATION_REFLECTCUBE) R_Mesh_TexBind(GL20TU_REFLECTMASK       , rsurface.texture->reflectmasktexture                );
2938                 if (permutation & SHADERPERMUTATION_REFLECTCUBE) R_Mesh_TexBind(GL20TU_REFLECTCUBE       , rsurface.texture->reflectcubetexture ? rsurface.texture->reflectcubetexture : r_texture_whitecube);
2939                 if (permutation & SHADERPERMUTATION_FOGHEIGHTTEXTURE) R_Mesh_TexBind(GL20TU_FOGHEIGHTTEXTURE  , r_texture_fogheighttexture                          );
2940                 if (permutation & (SHADERPERMUTATION_FOGINSIDE | SHADERPERMUTATION_FOGOUTSIDE)) R_Mesh_TexBind(GL20TU_FOGMASK           , r_texture_fogattenuation                            );
2941                 R_Mesh_TexBind(GL20TU_LIGHTMAP          , rsurface.lightmaptexture ? rsurface.lightmaptexture : r_texture_white);
2942                 R_Mesh_TexBind(GL20TU_DELUXEMAP         , rsurface.deluxemaptexture ? rsurface.deluxemaptexture : r_texture_blanknormalmap);
2943                 if (rsurface.rtlight                                  ) R_Mesh_TexBind(GL20TU_ATTENUATION       , r_shadow_attenuationgradienttexture                 );
2944                 if (rsurfacepass == RSURFPASS_BACKGROUND)
2945                 {
2946                         R_Mesh_TexBind(GL20TU_REFRACTION        , waterplane->texture_refraction ? waterplane->texture_refraction : r_texture_black);
2947                         if(mode == SHADERMODE_GENERIC) R_Mesh_TexBind(GL20TU_FIRST             , waterplane->texture_camera ? waterplane->texture_camera : r_texture_black);
2948                         R_Mesh_TexBind(GL20TU_REFLECTION        , waterplane->texture_reflection ? waterplane->texture_reflection : r_texture_black);
2949                 }
2950                 else
2951                 {
2952                         if (permutation & SHADERPERMUTATION_REFLECTION        ) R_Mesh_TexBind(GL20TU_REFLECTION        , waterplane->texture_reflection ? waterplane->texture_reflection : r_texture_black);
2953                 }
2954 //              if (rsurfacepass == RSURFPASS_DEFERREDLIGHT           ) R_Mesh_TexBind(GL20TU_SCREENDEPTH       , r_shadow_prepassgeometrydepthtexture                );
2955 //              if (rsurfacepass == RSURFPASS_DEFERREDLIGHT           ) R_Mesh_TexBind(GL20TU_SCREENNORMALMAP   , r_shadow_prepassgeometrynormalmaptexture            );
2956                 if (permutation & SHADERPERMUTATION_DEFERREDLIGHTMAP  ) R_Mesh_TexBind(GL20TU_SCREENDIFFUSE     , r_shadow_prepasslightingdiffusetexture              );
2957                 if (permutation & SHADERPERMUTATION_DEFERREDLIGHTMAP  ) R_Mesh_TexBind(GL20TU_SCREENSPECULAR    , r_shadow_prepasslightingspeculartexture             );
2958                 if (rsurface.rtlight || (r_shadow_usingshadowmaportho && !(rsurface.ent_flags & RENDER_NOSELFSHADOW)))
2959                 {
2960                         R_Mesh_TexBind(GL20TU_SHADOWMAP2D, r_shadow_shadowmap2dcolortexture);
2961                         if (rsurface.rtlight)
2962                         {
2963                                 if (permutation & SHADERPERMUTATION_CUBEFILTER        ) R_Mesh_TexBind(GL20TU_CUBE              , rsurface.rtlight->currentcubemap                    );
2964                                 if (permutation & SHADERPERMUTATION_SHADOWMAPVSDCT    ) R_Mesh_TexBind(GL20TU_CUBEPROJECTION    , r_shadow_shadowmapvsdcttexture                      );
2965                         }
2966                 }
2967                 break;
2968         }
2969 }
2970
2971 void R_SetupShader_DeferredLight(const rtlight_t *rtlight)
2972 {
2973         // select a permutation of the lighting shader appropriate to this
2974         // combination of texture, entity, light source, and fogging, only use the
2975         // minimum features necessary to avoid wasting rendering time in the
2976         // fragment shader on features that are not being used
2977         unsigned int permutation = 0;
2978         unsigned int mode = 0;
2979         const float *lightcolorbase = rtlight->currentcolor;
2980         float ambientscale = rtlight->ambientscale;
2981         float diffusescale = rtlight->diffusescale;
2982         float specularscale = rtlight->specularscale;
2983         // this is the location of the light in view space
2984         vec3_t viewlightorigin;
2985         // this transforms from view space (camera) to light space (cubemap)
2986         matrix4x4_t viewtolight;
2987         matrix4x4_t lighttoview;
2988         float viewtolight16f[16];
2989         float range = 1.0f / r_shadow_deferred_8bitrange.value;
2990         // light source
2991         mode = SHADERMODE_DEFERREDLIGHTSOURCE;
2992         if (rtlight->currentcubemap != r_texture_whitecube)
2993                 permutation |= SHADERPERMUTATION_CUBEFILTER;
2994         if (diffusescale > 0)
2995                 permutation |= SHADERPERMUTATION_DIFFUSE;
2996         if (specularscale > 0 && r_shadow_gloss.integer > 0)
2997                 permutation |= SHADERPERMUTATION_SPECULAR | SHADERPERMUTATION_DIFFUSE;
2998         if (r_shadow_usingshadowmap2d)
2999         {
3000                 permutation |= SHADERPERMUTATION_SHADOWMAP2D;
3001                 if (r_shadow_shadowmapvsdct)
3002                         permutation |= SHADERPERMUTATION_SHADOWMAPVSDCT;
3003
3004                 if (r_shadow_shadowmapsampler)
3005                         permutation |= SHADERPERMUTATION_SHADOWSAMPLER;
3006                 if (r_shadow_shadowmappcf > 1)
3007                         permutation |= SHADERPERMUTATION_SHADOWMAPPCF2;
3008                 else if (r_shadow_shadowmappcf)
3009                         permutation |= SHADERPERMUTATION_SHADOWMAPPCF;
3010         }
3011         if (vid.allowalphatocoverage)
3012                 GL_AlphaToCoverage(false);
3013         Matrix4x4_Transform(&r_refdef.view.viewport.viewmatrix, rtlight->shadoworigin, viewlightorigin);
3014         Matrix4x4_Concat(&lighttoview, &r_refdef.view.viewport.viewmatrix, &rtlight->matrix_lighttoworld);
3015         Matrix4x4_Invert_Simple(&viewtolight, &lighttoview);
3016         Matrix4x4_ToArrayFloatGL(&viewtolight, viewtolight16f);
3017         switch(vid.renderpath)
3018         {
3019         case RENDERPATH_D3D9:
3020 #ifdef SUPPORTD3D
3021                 R_SetupShader_SetPermutationHLSL(mode, permutation);
3022                 hlslPSSetParameter3f(D3DPSREGISTER_LightPosition, viewlightorigin[0], viewlightorigin[1], viewlightorigin[2]);
3023                 hlslPSSetParameter16f(D3DPSREGISTER_ViewToLight, viewtolight16f);
3024                 hlslPSSetParameter3f(D3DPSREGISTER_DeferredColor_Ambient , lightcolorbase[0] * ambientscale  * range, lightcolorbase[1] * ambientscale  * range, lightcolorbase[2] * ambientscale  * range);
3025                 hlslPSSetParameter3f(D3DPSREGISTER_DeferredColor_Diffuse , lightcolorbase[0] * diffusescale  * range, lightcolorbase[1] * diffusescale  * range, lightcolorbase[2] * diffusescale  * range);
3026                 hlslPSSetParameter3f(D3DPSREGISTER_DeferredColor_Specular, lightcolorbase[0] * specularscale * range, lightcolorbase[1] * specularscale * range, lightcolorbase[2] * specularscale * range);
3027                 hlslPSSetParameter2f(D3DPSREGISTER_ShadowMap_TextureScale, r_shadow_shadowmap_texturescale[0], r_shadow_shadowmap_texturescale[1]);
3028                 hlslPSSetParameter4f(D3DPSREGISTER_ShadowMap_Parameters, r_shadow_shadowmap_parameters[0], r_shadow_shadowmap_parameters[1], r_shadow_shadowmap_parameters[2], r_shadow_shadowmap_parameters[3]);
3029                 hlslPSSetParameter1f(D3DPSREGISTER_SpecularPower, (r_shadow_gloss.integer == 2 ? r_shadow_gloss2exponent.value : r_shadow_glossexponent.value) * (r_shadow_glossexact.integer ? 0.25f : 1.0f) - 1.0f);
3030                 hlslPSSetParameter2f(D3DPSREGISTER_ScreenToDepth, r_refdef.view.viewport.screentodepth[0], r_refdef.view.viewport.screentodepth[1]);
3031                 hlslPSSetParameter2f(D3DPSREGISTER_PixelToScreenTexCoord, 1.0f/vid.width, 1.0/vid.height);
3032
3033                 R_Mesh_TexBind(GL20TU_ATTENUATION        , r_shadow_attenuationgradienttexture                 );
3034                 R_Mesh_TexBind(GL20TU_SCREENDEPTH        , r_shadow_prepassgeometrydepthcolortexture           );
3035                 R_Mesh_TexBind(GL20TU_SCREENNORMALMAP    , r_shadow_prepassgeometrynormalmaptexture            );
3036                 R_Mesh_TexBind(GL20TU_CUBE               , rsurface.rtlight->currentcubemap                    );
3037                 R_Mesh_TexBind(GL20TU_SHADOWMAP2D        , r_shadow_shadowmap2dcolortexture                    );
3038                 R_Mesh_TexBind(GL20TU_CUBEPROJECTION     , r_shadow_shadowmapvsdcttexture                      );
3039 #endif
3040                 break;
3041         case RENDERPATH_D3D10:
3042                 Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
3043                 break;
3044         case RENDERPATH_D3D11:
3045                 Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
3046                 break;
3047         case RENDERPATH_GL20:
3048         case RENDERPATH_GLES2:
3049                 R_SetupShader_SetPermutationGLSL(mode, permutation);
3050                 if (r_glsl_permutation->loc_LightPosition             >= 0) qglUniform3f(       r_glsl_permutation->loc_LightPosition            , viewlightorigin[0], viewlightorigin[1], viewlightorigin[2]);
3051                 if (r_glsl_permutation->loc_ViewToLight               >= 0) qglUniformMatrix4fv(r_glsl_permutation->loc_ViewToLight              , 1, false, viewtolight16f);
3052                 if (r_glsl_permutation->loc_DeferredColor_Ambient     >= 0) qglUniform3f(       r_glsl_permutation->loc_DeferredColor_Ambient    , lightcolorbase[0] * ambientscale  * range, lightcolorbase[1] * ambientscale  * range, lightcolorbase[2] * ambientscale  * range);
3053                 if (r_glsl_permutation->loc_DeferredColor_Diffuse     >= 0) qglUniform3f(       r_glsl_permutation->loc_DeferredColor_Diffuse    , lightcolorbase[0] * diffusescale  * range, lightcolorbase[1] * diffusescale  * range, lightcolorbase[2] * diffusescale  * range);
3054                 if (r_glsl_permutation->loc_DeferredColor_Specular    >= 0) qglUniform3f(       r_glsl_permutation->loc_DeferredColor_Specular   , lightcolorbase[0] * specularscale * range, lightcolorbase[1] * specularscale * range, lightcolorbase[2] * specularscale * range);
3055                 if (r_glsl_permutation->loc_ShadowMap_TextureScale    >= 0) qglUniform2f(       r_glsl_permutation->loc_ShadowMap_TextureScale   , r_shadow_shadowmap_texturescale[0], r_shadow_shadowmap_texturescale[1]);
3056                 if (r_glsl_permutation->loc_ShadowMap_Parameters      >= 0) qglUniform4f(       r_glsl_permutation->loc_ShadowMap_Parameters     , r_shadow_shadowmap_parameters[0], r_shadow_shadowmap_parameters[1], r_shadow_shadowmap_parameters[2], r_shadow_shadowmap_parameters[3]);
3057                 if (r_glsl_permutation->loc_SpecularPower             >= 0) qglUniform1f(       r_glsl_permutation->loc_SpecularPower            , (r_shadow_gloss.integer == 2 ? r_shadow_gloss2exponent.value : r_shadow_glossexponent.value) * (r_shadow_glossexact.integer ? 0.25f : 1.0f) - 1.0f);
3058                 if (r_glsl_permutation->loc_ScreenToDepth             >= 0) qglUniform2f(       r_glsl_permutation->loc_ScreenToDepth            , r_refdef.view.viewport.screentodepth[0], r_refdef.view.viewport.screentodepth[1]);
3059                 if (r_glsl_permutation->loc_PixelToScreenTexCoord     >= 0) qglUniform2f(       r_glsl_permutation->loc_PixelToScreenTexCoord    , 1.0f/vid.width, 1.0f/vid.height);
3060
3061                 if (r_glsl_permutation->tex_Texture_Attenuation       >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Attenuation        , r_shadow_attenuationgradienttexture                 );
3062                 if (r_glsl_permutation->tex_Texture_ScreenDepth       >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_ScreenDepth        , r_shadow_prepassgeometrydepthtexture                );
3063                 if (r_glsl_permutation->tex_Texture_ScreenNormalMap   >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_ScreenNormalMap    , r_shadow_prepassgeometrynormalmaptexture            );
3064                 if (r_glsl_permutation->tex_Texture_Cube              >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Cube               , rsurface.rtlight->currentcubemap                    );
3065                 if (r_glsl_permutation->tex_Texture_ShadowMap2D       >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_ShadowMap2D        , r_shadow_shadowmap2dtexture                         );
3066                 if (r_glsl_permutation->tex_Texture_CubeProjection    >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_CubeProjection     , r_shadow_shadowmapvsdcttexture                      );
3067                 break;
3068         case RENDERPATH_GL11:
3069         case RENDERPATH_GL13:
3070         case RENDERPATH_GLES1:
3071                 break;
3072         case RENDERPATH_SOFT:
3073                 R_SetupShader_SetPermutationGLSL(mode, permutation);
3074                 DPSOFTRAST_Uniform3f(       DPSOFTRAST_UNIFORM_LightPosition            , viewlightorigin[0], viewlightorigin[1], viewlightorigin[2]);
3075                 DPSOFTRAST_UniformMatrix4fv(DPSOFTRAST_UNIFORM_ViewToLightM1            , 1, false, viewtolight16f);
3076                 DPSOFTRAST_Uniform3f(       DPSOFTRAST_UNIFORM_DeferredColor_Ambient    , lightcolorbase[0] * ambientscale  * range, lightcolorbase[1] * ambientscale  * range, lightcolorbase[2] * ambientscale  * range);
3077                 DPSOFTRAST_Uniform3f(       DPSOFTRAST_UNIFORM_DeferredColor_Diffuse    , lightcolorbase[0] * diffusescale  * range, lightcolorbase[1] * diffusescale  * range, lightcolorbase[2] * diffusescale  * range);
3078                 DPSOFTRAST_Uniform3f(       DPSOFTRAST_UNIFORM_DeferredColor_Specular   , lightcolorbase[0] * specularscale * range, lightcolorbase[1] * specularscale * range, lightcolorbase[2] * specularscale * range);
3079                 DPSOFTRAST_Uniform2f(       DPSOFTRAST_UNIFORM_ShadowMap_TextureScale   , r_shadow_shadowmap_texturescale[0], r_shadow_shadowmap_texturescale[1]);
3080                 DPSOFTRAST_Uniform4f(       DPSOFTRAST_UNIFORM_ShadowMap_Parameters     , r_shadow_shadowmap_parameters[0], r_shadow_shadowmap_parameters[1], r_shadow_shadowmap_parameters[2], r_shadow_shadowmap_parameters[3]);
3081                 DPSOFTRAST_Uniform1f(       DPSOFTRAST_UNIFORM_SpecularPower            , (r_shadow_gloss.integer == 2 ? r_shadow_gloss2exponent.value : r_shadow_glossexponent.value) * (r_shadow_glossexact.integer ? 0.25f : 1.0f) - 1.0f);
3082                 DPSOFTRAST_Uniform2f(       DPSOFTRAST_UNIFORM_ScreenToDepth            , r_refdef.view.viewport.screentodepth[0], r_refdef.view.viewport.screentodepth[1]);
3083                 DPSOFTRAST_Uniform2f(DPSOFTRAST_UNIFORM_PixelToScreenTexCoord, 1.0f/vid.width, 1.0f/vid.height);
3084
3085                 R_Mesh_TexBind(GL20TU_ATTENUATION        , r_shadow_attenuationgradienttexture                 );
3086                 R_Mesh_TexBind(GL20TU_SCREENDEPTH        , r_shadow_prepassgeometrydepthtexture                );
3087                 R_Mesh_TexBind(GL20TU_SCREENNORMALMAP    , r_shadow_prepassgeometrynormalmaptexture            );
3088                 R_Mesh_TexBind(GL20TU_CUBE               , rsurface.rtlight->currentcubemap                    );
3089                 R_Mesh_TexBind(GL20TU_SHADOWMAP2D        , r_shadow_shadowmap2dtexture                         );
3090                 R_Mesh_TexBind(GL20TU_CUBEPROJECTION     , r_shadow_shadowmapvsdcttexture                      );
3091                 break;
3092         }
3093 }
3094
3095 #define SKINFRAME_HASH 1024
3096
3097 typedef struct
3098 {
3099         int loadsequence; // incremented each level change
3100         memexpandablearray_t array;
3101         skinframe_t *hash[SKINFRAME_HASH];
3102 }
3103 r_skinframe_t;
3104 r_skinframe_t r_skinframe;
3105
3106 void R_SkinFrame_PrepareForPurge(void)
3107 {
3108         r_skinframe.loadsequence++;
3109         // wrap it without hitting zero
3110         if (r_skinframe.loadsequence >= 200)
3111                 r_skinframe.loadsequence = 1;
3112 }
3113
3114 void R_SkinFrame_MarkUsed(skinframe_t *skinframe)
3115 {
3116         if (!skinframe)
3117                 return;
3118         // mark the skinframe as used for the purging code
3119         skinframe->loadsequence = r_skinframe.loadsequence;
3120 }
3121
3122 void R_SkinFrame_Purge(void)
3123 {
3124         int i;
3125         skinframe_t *s;
3126         for (i = 0;i < SKINFRAME_HASH;i++)
3127         {
3128                 for (s = r_skinframe.hash[i];s;s = s->next)
3129                 {
3130                         if (s->loadsequence && s->loadsequence != r_skinframe.loadsequence)
3131                         {
3132                                 if (s->merged == s->base)
3133                                         s->merged = NULL;
3134                                 // FIXME: maybe pass a pointer to the pointer to R_PurgeTexture and reset it to NULL inside? [11/29/2007 Black]
3135                                 R_PurgeTexture(s->stain );s->stain  = NULL;
3136                                 R_PurgeTexture(s->merged);s->merged = NULL;
3137                                 R_PurgeTexture(s->base  );s->base   = NULL;
3138                                 R_PurgeTexture(s->pants );s->pants  = NULL;
3139                                 R_PurgeTexture(s->shirt );s->shirt  = NULL;
3140                                 R_PurgeTexture(s->nmap  );s->nmap   = NULL;
3141                                 R_PurgeTexture(s->gloss );s->gloss  = NULL;
3142                                 R_PurgeTexture(s->glow  );s->glow   = NULL;
3143                                 R_PurgeTexture(s->fog   );s->fog    = NULL;
3144                                 R_PurgeTexture(s->reflect);s->reflect = NULL;
3145                                 s->loadsequence = 0;
3146                         }
3147                 }
3148         }
3149 }
3150
3151 skinframe_t *R_SkinFrame_FindNextByName( skinframe_t *last, const char *name ) {
3152         skinframe_t *item;
3153         char basename[MAX_QPATH];
3154
3155         Image_StripImageExtension(name, basename, sizeof(basename));
3156
3157         if( last == NULL ) {
3158                 int hashindex;
3159                 hashindex = CRC_Block((unsigned char *)basename, strlen(basename)) & (SKINFRAME_HASH - 1);
3160                 item = r_skinframe.hash[hashindex];
3161         } else {
3162                 item = last->next;
3163         }
3164
3165         // linearly search through the hash bucket
3166         for( ; item ; item = item->next ) {
3167                 if( !strcmp( item->basename, basename ) ) {
3168                         return item;
3169                 }
3170         }
3171         return NULL;
3172 }
3173
3174 skinframe_t *R_SkinFrame_Find(const char *name, int textureflags, int comparewidth, int compareheight, int comparecrc, qboolean add)
3175 {
3176         skinframe_t *item;
3177         int hashindex;
3178         char basename[MAX_QPATH];
3179
3180         Image_StripImageExtension(name, basename, sizeof(basename));
3181
3182         hashindex = CRC_Block((unsigned char *)basename, strlen(basename)) & (SKINFRAME_HASH - 1);
3183         for (item = r_skinframe.hash[hashindex];item;item = item->next)
3184                 if (!strcmp(item->basename, basename) && (comparecrc < 0 || (item->textureflags == textureflags && item->comparewidth == comparewidth && item->compareheight == compareheight && item->comparecrc == comparecrc)))
3185                         break;
3186
3187         if (!item) {
3188                 rtexture_t *dyntexture;
3189                 // check whether its a dynamic texture
3190                 dyntexture = CL_GetDynTexture( basename );
3191                 if (!add && !dyntexture)
3192                         return NULL;
3193                 item = (skinframe_t *)Mem_ExpandableArray_AllocRecord(&r_skinframe.array);
3194                 memset(item, 0, sizeof(*item));
3195                 strlcpy(item->basename, basename, sizeof(item->basename));
3196                 item->base = dyntexture; // either NULL or dyntexture handle
3197                 item->textureflags = textureflags & ~TEXF_FORCE_RELOAD;
3198                 item->comparewidth = comparewidth;
3199                 item->compareheight = compareheight;
3200                 item->comparecrc = comparecrc;
3201                 item->next = r_skinframe.hash[hashindex];
3202                 r_skinframe.hash[hashindex] = item;
3203         }
3204         else if (textureflags & TEXF_FORCE_RELOAD)
3205         {
3206                 rtexture_t *dyntexture;
3207                 // check whether its a dynamic texture
3208                 dyntexture = CL_GetDynTexture( basename );
3209                 if (!add && !dyntexture)
3210                         return NULL;
3211                 if (item->merged == item->base)
3212                         item->merged = NULL;
3213                 // FIXME: maybe pass a pointer to the pointer to R_PurgeTexture and reset it to NULL inside? [11/29/2007 Black]
3214                 R_PurgeTexture(item->stain );item->stain  = NULL;
3215                 R_PurgeTexture(item->merged);item->merged = NULL;
3216                 R_PurgeTexture(item->base  );item->base   = NULL;
3217                 R_PurgeTexture(item->pants );item->pants  = NULL;
3218                 R_PurgeTexture(item->shirt );item->shirt  = NULL;
3219                 R_PurgeTexture(item->nmap  );item->nmap   = NULL;
3220                 R_PurgeTexture(item->gloss );item->gloss  = NULL;
3221                 R_PurgeTexture(item->glow  );item->glow   = NULL;
3222                 R_PurgeTexture(item->fog   );item->fog    = NULL;
3223         R_PurgeTexture(item->reflect);item->reflect = NULL;
3224                 item->loadsequence = 0;
3225         }
3226         else if( item->base == NULL )
3227         {
3228                 rtexture_t *dyntexture;
3229                 // check whether its a dynamic texture
3230                 // this only needs to be done because Purge doesnt delete skinframes - only sets the texture pointers to NULL and we need to restore it before returing.. [11/29/2007 Black]
3231                 dyntexture = CL_GetDynTexture( basename );
3232                 item->base = dyntexture; // either NULL or dyntexture handle
3233         }
3234
3235         R_SkinFrame_MarkUsed(item);
3236         return item;
3237 }
3238
3239 #define R_SKINFRAME_LOAD_AVERAGE_COLORS(cnt, getpixel) \
3240         { \
3241                 unsigned long long avgcolor[5], wsum; \
3242                 int pix, comp, w; \
3243                 avgcolor[0] = 0; \
3244                 avgcolor[1] = 0; \
3245                 avgcolor[2] = 0; \
3246                 avgcolor[3] = 0; \
3247                 avgcolor[4] = 0; \
3248                 wsum = 0; \
3249                 for(pix = 0; pix < cnt; ++pix) \
3250                 { \
3251                         w = 0; \
3252                         for(comp = 0; comp < 3; ++comp) \
3253                                 w += getpixel; \
3254                         if(w) /* ignore perfectly black pixels because that is better for model skins */ \
3255                         { \
3256                                 ++wsum; \
3257                                 /* comp = 3; -- not needed, comp is always 3 when we get here */ \
3258                                 w = getpixel; \
3259                                 for(comp = 0; comp < 3; ++comp) \
3260                                         avgcolor[comp] += getpixel * w; \
3261                                 avgcolor[3] += w; \
3262                         } \
3263                         /* comp = 3; -- not needed, comp is always 3 when we get here */ \
3264                         avgcolor[4] += getpixel; \
3265                 } \
3266                 if(avgcolor[3] == 0) /* no pixels seen? even worse */ \
3267                         avgcolor[3] = 1; \
3268                 skinframe->avgcolor[0] = avgcolor[2] / (255.0 * avgcolor[3]); \
3269                 skinframe->avgcolor[1] = avgcolor[1] / (255.0 * avgcolor[3]); \
3270                 skinframe->avgcolor[2] = avgcolor[0] / (255.0 * avgcolor[3]); \
3271                 skinframe->avgcolor[3] = avgcolor[4] / (255.0 * cnt); \
3272         }
3273
3274 extern cvar_t gl_picmip;
3275 skinframe_t *R_SkinFrame_LoadExternal(const char *name, int textureflags, qboolean complain)
3276 {
3277         int j;
3278         unsigned char *pixels;
3279         unsigned char *bumppixels;
3280         unsigned char *basepixels = NULL;
3281         int basepixels_width = 0;
3282         int basepixels_height = 0;
3283         skinframe_t *skinframe;
3284         rtexture_t *ddsbase = NULL;
3285         qboolean ddshasalpha = false;
3286         float ddsavgcolor[4];
3287         char basename[MAX_QPATH];
3288         int miplevel = R_PicmipForFlags(textureflags);
3289         int savemiplevel = miplevel;
3290         int mymiplevel;
3291
3292         if (cls.state == ca_dedicated)
3293                 return NULL;
3294
3295         // return an existing skinframe if already loaded
3296         // if loading of the first image fails, don't make a new skinframe as it
3297         // would cause all future lookups of this to be missing
3298         skinframe = R_SkinFrame_Find(name, textureflags, 0, 0, 0, false);
3299         if (skinframe && skinframe->base)
3300                 return skinframe;
3301
3302         Image_StripImageExtension(name, basename, sizeof(basename));
3303
3304         // check for DDS texture file first
3305         if (!r_loaddds || !(ddsbase = R_LoadTextureDDSFile(r_main_texturepool, va("dds/%s.dds", basename), vid.sRGB3D, textureflags, &ddshasalpha, ddsavgcolor, miplevel)))
3306         {
3307                 basepixels = loadimagepixelsbgra(name, complain, true, false, &miplevel);
3308                 if (basepixels == NULL)
3309                         return NULL;
3310         }
3311
3312         // FIXME handle miplevel
3313
3314         if (developer_loading.integer)
3315                 Con_Printf("loading skin \"%s\"\n", name);
3316
3317         // we've got some pixels to store, so really allocate this new texture now
3318         if (!skinframe)
3319                 skinframe = R_SkinFrame_Find(name, textureflags, 0, 0, 0, true);
3320         textureflags &= ~TEXF_FORCE_RELOAD;
3321         skinframe->stain = NULL;
3322         skinframe->merged = NULL;
3323         skinframe->base = NULL;
3324         skinframe->pants = NULL;
3325         skinframe->shirt = NULL;
3326         skinframe->nmap = NULL;
3327         skinframe->gloss = NULL;
3328         skinframe->glow = NULL;
3329         skinframe->fog = NULL;
3330         skinframe->reflect = NULL;
3331         skinframe->hasalpha = false;
3332
3333         if (ddsbase)
3334         {
3335                 skinframe->base = ddsbase;
3336                 skinframe->hasalpha = ddshasalpha;
3337                 VectorCopy(ddsavgcolor, skinframe->avgcolor);
3338                 if (r_loadfog && skinframe->hasalpha)
3339                         skinframe->fog = R_LoadTextureDDSFile(r_main_texturepool, va("dds/%s_mask.dds", skinframe->basename), false, textureflags | TEXF_ALPHA, NULL, NULL, miplevel);
3340                 //Con_Printf("Texture %s has average colors %f %f %f alpha %f\n", name, skinframe->avgcolor[0], skinframe->avgcolor[1], skinframe->avgcolor[2], skinframe->avgcolor[3]);
3341         }
3342         else
3343         {
3344                 basepixels_width = image_width;
3345                 basepixels_height = image_height;
3346                 skinframe->base = R_LoadTexture2D (r_main_texturepool, skinframe->basename, basepixels_width, basepixels_height, basepixels, vid.sRGB3D ? TEXTYPE_SRGB_BGRA : TEXTYPE_BGRA, textureflags & (gl_texturecompression_color.integer && gl_texturecompression.integer ? ~0 : ~TEXF_COMPRESS), miplevel, NULL);
3347                 if (textureflags & TEXF_ALPHA)
3348                 {
3349                         for (j = 3;j < basepixels_width * basepixels_height * 4;j += 4)
3350                         {
3351                                 if (basepixels[j] < 255)
3352                                 {
3353                                         skinframe->hasalpha = true;
3354                                         break;
3355                                 }
3356                         }
3357                         if (r_loadfog && skinframe->hasalpha)
3358                         {
3359                                 // has transparent pixels
3360                                 pixels = (unsigned char *)Mem_Alloc(tempmempool, image_width * image_height * 4);
3361                                 for (j = 0;j < image_width * image_height * 4;j += 4)
3362                                 {
3363                                         pixels[j+0] = 255;
3364                                         pixels[j+1] = 255;
3365                                         pixels[j+2] = 255;
3366                                         pixels[j+3] = basepixels[j+3];
3367                                 }
3368                                 skinframe->fog = R_LoadTexture2D (r_main_texturepool, va("%s_mask", skinframe->basename), image_width, image_height, pixels, TEXTYPE_BGRA, textureflags & (gl_texturecompression_color.integer && gl_texturecompression.integer ? ~0 : ~TEXF_COMPRESS), miplevel, NULL);
3369                                 Mem_Free(pixels);
3370                         }
3371                 }
3372                 R_SKINFRAME_LOAD_AVERAGE_COLORS(basepixels_width * basepixels_height, basepixels[4 * pix + comp]);
3373 #ifndef USE_GLES2
3374                 //Con_Printf("Texture %s has average colors %f %f %f alpha %f\n", name, skinframe->avgcolor[0], skinframe->avgcolor[1], skinframe->avgcolor[2], skinframe->avgcolor[3]);
3375                 if (r_savedds && qglGetCompressedTexImageARB && skinframe->base)
3376                         R_SaveTextureDDSFile(skinframe->base, va("dds/%s.dds", skinframe->basename), r_texture_dds_save.integer < 2, skinframe->hasalpha);
3377                 if (r_savedds && qglGetCompressedTexImageARB && skinframe->fog)
3378                         R_SaveTextureDDSFile(skinframe->fog, va("dds/%s_mask.dds", skinframe->basename), r_texture_dds_save.integer < 2, true);
3379 #endif
3380         }
3381
3382         if (r_loaddds)
3383         {
3384                 mymiplevel = savemiplevel;
3385                 if (r_loadnormalmap)
3386                         skinframe->nmap = R_LoadTextureDDSFile(r_main_texturepool, va("dds/%s_norm.dds", skinframe->basename), false, (TEXF_ALPHA | textureflags) & (r_mipnormalmaps.integer ? ~0 : ~TEXF_MIPMAP), NULL, NULL, mymiplevel);
3387                 skinframe->glow = R_LoadTextureDDSFile(r_main_texturepool, va("dds/%s_glow.dds", skinframe->basename), vid.sRGB3D, textureflags, NULL, NULL, mymiplevel);
3388                 if (r_loadgloss)
3389                         skinframe->gloss = R_LoadTextureDDSFile(r_main_texturepool, va("dds/%s_gloss.dds", skinframe->basename), vid.sRGB3D, textureflags, NULL, NULL, mymiplevel);
3390                 skinframe->pants = R_LoadTextureDDSFile(r_main_texturepool, va("dds/%s_pants.dds", skinframe->basename), vid.sRGB3D, textureflags, NULL, NULL, mymiplevel);
3391                 skinframe->shirt = R_LoadTextureDDSFile(r_main_texturepool, va("dds/%s_shirt.dds", skinframe->basename), vid.sRGB3D, textureflags, NULL, NULL, mymiplevel);
3392                 skinframe->reflect = R_LoadTextureDDSFile(r_main_texturepool, va("dds/%s_reflect.dds", skinframe->basename), vid.sRGB3D, textureflags, NULL, NULL, mymiplevel);
3393         }
3394
3395         // _norm is the name used by tenebrae and has been adopted as standard
3396         if (r_loadnormalmap && skinframe->nmap == NULL)
3397         {
3398                 mymiplevel = savemiplevel;
3399                 if ((pixels = loadimagepixelsbgra(va("%s_norm", skinframe->basename), false, false, false, &mymiplevel)) != NULL)
3400                 {
3401                         skinframe->nmap = R_LoadTexture2D (r_main_texturepool, va("%s_nmap", skinframe->basename), image_width, image_height, pixels, TEXTYPE_BGRA, (TEXF_ALPHA | textureflags) & (r_mipnormalmaps.integer ? ~0 : ~TEXF_MIPMAP) & (gl_texturecompression_normal.integer && gl_texturecompression.integer ? ~0 : ~TEXF_COMPRESS), mymiplevel, NULL);
3402                         Mem_Free(pixels);
3403                         pixels = NULL;
3404                 }
3405                 else if (r_shadow_bumpscale_bumpmap.value > 0 && (bumppixels = loadimagepixelsbgra(va("%s_bump", skinframe->basename), false, false, false, &mymiplevel)) != NULL)
3406                 {
3407                         pixels = (unsigned char *)Mem_Alloc(tempmempool, image_width * image_height * 4);
3408                         Image_HeightmapToNormalmap_BGRA(bumppixels, pixels, image_width, image_height, false, r_shadow_bumpscale_bumpmap.value);
3409                         skinframe->nmap = R_LoadTexture2D (r_main_texturepool, va("%s_nmap", skinframe->basename), image_width, image_height, pixels, TEXTYPE_BGRA, (TEXF_ALPHA | textureflags) & (r_mipnormalmaps.integer ? ~0 : ~TEXF_MIPMAP) & (gl_texturecompression_normal.integer && gl_texturecompression.integer ? ~0 : ~TEXF_COMPRESS), mymiplevel, NULL);
3410                         Mem_Free(pixels);
3411                         Mem_Free(bumppixels);
3412                 }
3413                 else if (r_shadow_bumpscale_basetexture.value > 0)
3414                 {
3415                         pixels = (unsigned char *)Mem_Alloc(tempmempool, basepixels_width * basepixels_height * 4);
3416                         Image_HeightmapToNormalmap_BGRA(basepixels, pixels, basepixels_width, basepixels_height, false, r_shadow_bumpscale_basetexture.value);
3417                         skinframe->nmap = R_LoadTexture2D (r_main_texturepool, va("%s_nmap", skinframe->basename), basepixels_width, basepixels_height, pixels, TEXTYPE_BGRA, (TEXF_ALPHA | textureflags) & (r_mipnormalmaps.integer ? ~0 : ~TEXF_MIPMAP) & (gl_texturecompression_normal.integer && gl_texturecompression.integer ? ~0 : ~TEXF_COMPRESS), mymiplevel, NULL);
3418                         Mem_Free(pixels);
3419                 }
3420 #ifndef USE_GLES2
3421                 if (r_savedds && qglGetCompressedTexImageARB && skinframe->nmap)
3422                         R_SaveTextureDDSFile(skinframe->nmap, va("dds/%s_norm.dds", skinframe->basename), r_texture_dds_save.integer < 2, true);
3423 #endif
3424         }
3425
3426         // _luma is supported only for tenebrae compatibility
3427         // _glow is the preferred name
3428         mymiplevel = savemiplevel;
3429         if (skinframe->glow == NULL && ((pixels = loadimagepixelsbgra(va("%s_glow",  skinframe->basename), false, false, false, &mymiplevel)) || (pixels = loadimagepixelsbgra(va("%s_luma", skinframe->basename), false, false, false, &mymiplevel))))
3430         {
3431                 skinframe->glow = R_LoadTexture2D (r_main_texturepool, va("%s_glow", skinframe->basename), image_width, image_height, pixels, vid.sRGB3D ? TEXTYPE_SRGB_BGRA : TEXTYPE_BGRA, textureflags & (gl_texturecompression_glow.integer && gl_texturecompression.integer ? ~0 : ~TEXF_COMPRESS), mymiplevel, NULL);
3432 #ifndef USE_GLES2
3433                 if (r_savedds && qglGetCompressedTexImageARB && skinframe->glow)
3434                         R_SaveTextureDDSFile(skinframe->glow, va("dds/%s_glow.dds", skinframe->basename), r_texture_dds_save.integer < 2, true);
3435 #endif
3436                 Mem_Free(pixels);pixels = NULL;
3437         }
3438
3439         mymiplevel = savemiplevel;
3440         if (skinframe->gloss == NULL && r_loadgloss && (pixels = loadimagepixelsbgra(va("%s_gloss", skinframe->basename), false, false, false, &mymiplevel)))
3441         {
3442                 skinframe->gloss = R_LoadTexture2D (r_main_texturepool, va("%s_gloss", skinframe->basename), image_width, image_height, pixels, vid.sRGB3D ? TEXTYPE_SRGB_BGRA : TEXTYPE_BGRA, (TEXF_ALPHA | textureflags) & (gl_texturecompression_gloss.integer && gl_texturecompression.integer ? ~0 : ~TEXF_COMPRESS), mymiplevel, NULL);
3443 #ifndef USE_GLES2
3444                 if (r_savedds && qglGetCompressedTexImageARB && skinframe->gloss)
3445                         R_SaveTextureDDSFile(skinframe->gloss, va("dds/%s_gloss.dds", skinframe->basename), r_texture_dds_save.integer < 2, true);
3446 #endif
3447                 Mem_Free(pixels);
3448                 pixels = NULL;
3449         }
3450
3451         mymiplevel = savemiplevel;
3452         if (skinframe->pants == NULL && (pixels = loadimagepixelsbgra(va("%s_pants", skinframe->basename), false, false, false, &mymiplevel)))
3453         {
3454                 skinframe->pants = R_LoadTexture2D (r_main_texturepool, va("%s_pants", skinframe->basename), image_width, image_height, pixels, vid.sRGB3D ? TEXTYPE_SRGB_BGRA : TEXTYPE_BGRA, textureflags & (gl_texturecompression_color.integer && gl_texturecompression.integer ? ~0 : ~TEXF_COMPRESS), mymiplevel, NULL);
3455 #ifndef USE_GLES2
3456                 if (r_savedds && qglGetCompressedTexImageARB && skinframe->pants)
3457                         R_SaveTextureDDSFile(skinframe->pants, va("dds/%s_pants.dds", skinframe->basename), r_texture_dds_save.integer < 2, false);
3458 #endif
3459                 Mem_Free(pixels);
3460                 pixels = NULL;
3461         }
3462
3463         mymiplevel = savemiplevel;
3464         if (skinframe->shirt == NULL && (pixels = loadimagepixelsbgra(va("%s_shirt", skinframe->basename), false, false, false, &mymiplevel)))
3465         {
3466                 skinframe->shirt = R_LoadTexture2D (r_main_texturepool, va("%s_shirt", skinframe->basename), image_width, image_height, pixels, vid.sRGB3D ? TEXTYPE_SRGB_BGRA : TEXTYPE_BGRA, textureflags & (gl_texturecompression_color.integer && gl_texturecompression.integer ? ~0 : ~TEXF_COMPRESS), mymiplevel, NULL);
3467 #ifndef USE_GLES2
3468                 if (r_savedds && qglGetCompressedTexImageARB && skinframe->shirt)
3469                         R_SaveTextureDDSFile(skinframe->shirt, va("dds/%s_shirt.dds", skinframe->basename), r_texture_dds_save.integer < 2, false);
3470 #endif
3471                 Mem_Free(pixels);
3472                 pixels = NULL;
3473         }
3474
3475         mymiplevel = savemiplevel;
3476         if (skinframe->reflect == NULL && (pixels = loadimagepixelsbgra(va("%s_reflect", skinframe->basename), false, false, false, &mymiplevel)))
3477         {
3478                 skinframe->reflect = R_LoadTexture2D (r_main_texturepool, va("%s_reflect", skinframe->basename), image_width, image_height, pixels, vid.sRGB3D ? TEXTYPE_SRGB_BGRA : TEXTYPE_BGRA, textureflags & (gl_texturecompression_reflectmask.integer && gl_texturecompression.integer ? ~0 : ~TEXF_COMPRESS), mymiplevel, NULL);
3479 #ifndef USE_GLES2
3480                 if (r_savedds && qglGetCompressedTexImageARB && skinframe->reflect)
3481                         R_SaveTextureDDSFile(skinframe->reflect, va("dds/%s_reflect.dds", skinframe->basename), r_texture_dds_save.integer < 2, true);
3482 #endif
3483                 Mem_Free(pixels);
3484                 pixels = NULL;
3485         }
3486
3487         if (basepixels)
3488                 Mem_Free(basepixels);
3489
3490         return skinframe;
3491 }
3492
3493 // this is only used by .spr32 sprites, HL .spr files, HL .bsp files
3494 skinframe_t *R_SkinFrame_LoadInternalBGRA(const char *name, int textureflags, const unsigned char *skindata, int width, int height, qboolean sRGB)
3495 {
3496         int i;
3497         unsigned char *temp1, *temp2;
3498         skinframe_t *skinframe;
3499
3500         if (cls.state == ca_dedicated)
3501                 return NULL;
3502
3503         // if already loaded just return it, otherwise make a new skinframe
3504         skinframe = R_SkinFrame_Find(name, textureflags, width, height, (textureflags & TEXF_FORCE_RELOAD) ? -1 : skindata ? CRC_Block(skindata, width*height*4) : 0, true);
3505         if (skinframe && skinframe->base)
3506                 return skinframe;
3507         textureflags &= ~TEXF_FORCE_RELOAD;
3508
3509         skinframe->stain = NULL;
3510         skinframe->merged = NULL;
3511         skinframe->base = NULL;
3512         skinframe->pants = NULL;
3513         skinframe->shirt = NULL;
3514         skinframe->nmap = NULL;
3515         skinframe->gloss = NULL;
3516         skinframe->glow = NULL;
3517         skinframe->fog = NULL;
3518         skinframe->reflect = NULL;
3519         skinframe->hasalpha = false;
3520
3521         // if no data was provided, then clearly the caller wanted to get a blank skinframe
3522         if (!skindata)
3523                 return NULL;
3524
3525         if (developer_loading.integer)
3526                 Con_Printf("loading 32bit skin \"%s\"\n", name);
3527
3528         if (r_loadnormalmap && r_shadow_bumpscale_basetexture.value > 0)
3529         {
3530                 temp1 = (unsigned char *)Mem_Alloc(tempmempool, width * height * 8);
3531                 temp2 = temp1 + width * height * 4;
3532                 Image_HeightmapToNormalmap_BGRA(skindata, temp2, width, height, false, r_shadow_bumpscale_basetexture.value);
3533                 skinframe->nmap = R_LoadTexture2D(r_main_texturepool, va("%s_nmap", skinframe->basename), width, height, temp2, TEXTYPE_BGRA, (textureflags | TEXF_ALPHA) & (r_mipnormalmaps.integer ? ~0 : ~TEXF_MIPMAP), -1, NULL);
3534                 Mem_Free(temp1);
3535         }
3536         skinframe->base = skinframe->merged = R_LoadTexture2D(r_main_texturepool, skinframe->basename, width, height, skindata, sRGB ? TEXTYPE_SRGB_BGRA : TEXTYPE_BGRA, textureflags, -1, NULL);
3537         if (textureflags & TEXF_ALPHA)
3538         {
3539                 for (i = 3;i < width * height * 4;i += 4)
3540                 {
3541                         if (skindata[i] < 255)
3542                         {
3543                                 skinframe->hasalpha = true;
3544                                 break;
3545                         }
3546                 }
3547                 if (r_loadfog && skinframe->hasalpha)
3548                 {
3549                         unsigned char *fogpixels = (unsigned char *)Mem_Alloc(tempmempool, width * height * 4);
3550                         memcpy(fogpixels, skindata, width * height * 4);
3551                         for (i = 0;i < width * height * 4;i += 4)
3552                                 fogpixels[i] = fogpixels[i+1] = fogpixels[i+2] = 255;
3553                         skinframe->fog = R_LoadTexture2D(r_main_texturepool, va("%s_fog", skinframe->basename), width, height, fogpixels, TEXTYPE_BGRA, textureflags, -1, NULL);
3554                         Mem_Free(fogpixels);
3555                 }
3556         }
3557
3558         R_SKINFRAME_LOAD_AVERAGE_COLORS(width * height, skindata[4 * pix + comp]);
3559         //Con_Printf("Texture %s has average colors %f %f %f alpha %f\n", name, skinframe->avgcolor[0], skinframe->avgcolor[1], skinframe->avgcolor[2], skinframe->avgcolor[3]);
3560
3561         return skinframe;
3562 }
3563
3564 skinframe_t *R_SkinFrame_LoadInternalQuake(const char *name, int textureflags, int loadpantsandshirt, int loadglowtexture, const unsigned char *skindata, int width, int height)
3565 {
3566         int i;
3567         int featuresmask;
3568         skinframe_t *skinframe;
3569
3570         if (cls.state == ca_dedicated)
3571                 return NULL;
3572
3573         // if already loaded just return it, otherwise make a new skinframe
3574         skinframe = R_SkinFrame_Find(name, textureflags, width, height, skindata ? CRC_Block(skindata, width*height) : 0, true);
3575         if (skinframe && skinframe->base)
3576                 return skinframe;
3577         textureflags &= ~TEXF_FORCE_RELOAD;
3578
3579         skinframe->stain = NULL;
3580         skinframe->merged = NULL;
3581         skinframe->base = NULL;
3582         skinframe->pants = NULL;
3583         skinframe->shirt = NULL;
3584         skinframe->nmap = NULL;
3585         skinframe->gloss = NULL;
3586         skinframe->glow = NULL;
3587         skinframe->fog = NULL;
3588         skinframe->reflect = NULL;
3589         skinframe->hasalpha = false;
3590
3591         // if no data was provided, then clearly the caller wanted to get a blank skinframe
3592         if (!skindata)
3593                 return NULL;
3594
3595         if (developer_loading.integer)
3596                 Con_Printf("loading quake skin \"%s\"\n", name);
3597
3598         // we actually don't upload anything until the first use, because mdl skins frequently go unused, and are almost never used in both modes (colormapped and non-colormapped)
3599         skinframe->qpixels = (unsigned char *)Mem_Alloc(r_main_mempool, width*height); // FIXME LEAK
3600         memcpy(skinframe->qpixels, skindata, width*height);
3601         skinframe->qwidth = width;
3602         skinframe->qheight = height;
3603
3604         featuresmask = 0;
3605         for (i = 0;i < width * height;i++)
3606                 featuresmask |= palette_featureflags[skindata[i]];
3607
3608         skinframe->hasalpha = false;
3609         skinframe->qhascolormapping = loadpantsandshirt && (featuresmask & (PALETTEFEATURE_PANTS | PALETTEFEATURE_SHIRT));
3610         skinframe->qgeneratenmap = r_shadow_bumpscale_basetexture.value > 0;
3611         skinframe->qgeneratemerged = true;
3612         skinframe->qgeneratebase = skinframe->qhascolormapping;
3613         skinframe->qgenerateglow = loadglowtexture && (featuresmask & PALETTEFEATURE_GLOW);
3614
3615         R_SKINFRAME_LOAD_AVERAGE_COLORS(width * height, ((unsigned char *)palette_bgra_complete)[skindata[pix]*4 + comp]);
3616         //Con_Printf("Texture %s has average colors %f %f %f alpha %f\n", name, skinframe->avgcolor[0], skinframe->avgcolor[1], skinframe->avgcolor[2], skinframe->avgcolor[3]);
3617
3618         return skinframe;
3619 }
3620
3621 static void R_SkinFrame_GenerateTexturesFromQPixels(skinframe_t *skinframe, qboolean colormapped)
3622 {
3623         int width;
3624         int height;
3625         unsigned char *skindata;
3626
3627         if (!skinframe->qpixels)
3628                 return;
3629
3630         if (!skinframe->qhascolormapping)
3631                 colormapped = false;
3632
3633         if (colormapped)
3634         {
3635                 if (!skinframe->qgeneratebase)
3636                         return;
3637         }
3638         else
3639         {
3640                 if (!skinframe->qgeneratemerged)
3641                         return;
3642         }
3643
3644         width = skinframe->qwidth;
3645         height = skinframe->qheight;
3646         skindata = skinframe->qpixels;
3647
3648         if (skinframe->qgeneratenmap)
3649         {
3650                 unsigned char *temp1, *temp2;
3651                 skinframe->qgeneratenmap = false;
3652                 temp1 = (unsigned char *)Mem_Alloc(tempmempool, width * height * 8);
3653                 temp2 = temp1 + width * height * 4;
3654                 // use either a custom palette or the quake palette
3655                 Image_Copy8bitBGRA(skindata, temp1, width * height, palette_bgra_complete);
3656                 Image_HeightmapToNormalmap_BGRA(temp1, temp2, width, height, false, r_shadow_bumpscale_basetexture.value);
3657                 skinframe->nmap = R_LoadTexture2D(r_main_texturepool, va("%s_nmap", skinframe->basename), width, height, temp2, TEXTYPE_BGRA, (skinframe->textureflags | TEXF_ALPHA) & (r_mipnormalmaps.integer ? ~0 : ~TEXF_MIPMAP), -1, NULL);
3658                 Mem_Free(temp1);
3659         }
3660
3661         if (skinframe->qgenerateglow)
3662         {
3663                 skinframe->qgenerateglow = false;
3664                 skinframe->glow = R_LoadTexture2D(r_main_texturepool, va("%s_glow", skinframe->basename), width, height, skindata, vid.sRGB3D ? TEXTYPE_SRGB_PALETTE : TEXTYPE_PALETTE, skinframe->textureflags, -1, palette_bgra_onlyfullbrights); // glow
3665         }
3666
3667         if (colormapped)
3668         {
3669                 skinframe->qgeneratebase = false;
3670                 skinframe->base  = R_LoadTexture2D(r_main_texturepool, va("%s_nospecial", skinframe->basename), width, height, skindata, vid.sRGB3D ? TEXTYPE_SRGB_PALETTE : TEXTYPE_PALETTE, skinframe->textureflags, -1, skinframe->glow ? palette_bgra_nocolormapnofullbrights : palette_bgra_nocolormap);
3671                 skinframe->pants = R_LoadTexture2D(r_main_texturepool, va("%s_pants", skinframe->basename), width, height, skindata, vid.sRGB3D ? TEXTYPE_SRGB_PALETTE : TEXTYPE_PALETTE, skinframe->textureflags, -1, palette_bgra_pantsaswhite);
3672                 skinframe->shirt = R_LoadTexture2D(r_main_texturepool, va("%s_shirt", skinframe->basename), width, height, skindata, vid.sRGB3D ? TEXTYPE_SRGB_PALETTE : TEXTYPE_PALETTE, skinframe->textureflags, -1, palette_bgra_shirtaswhite);
3673         }
3674         else
3675         {
3676                 skinframe->qgeneratemerged = false;
3677                 skinframe->merged = R_LoadTexture2D(r_main_texturepool, skinframe->basename, width, height, skindata, vid.sRGB3D ? TEXTYPE_SRGB_PALETTE : TEXTYPE_PALETTE, skinframe->textureflags, -1, skinframe->glow ? palette_bgra_nofullbrights : palette_bgra_complete);
3678         }
3679
3680         if (!skinframe->qgeneratemerged && !skinframe->qgeneratebase)
3681         {
3682                 Mem_Free(skinframe->qpixels);
3683                 skinframe->qpixels = NULL;
3684         }
3685 }
3686
3687 skinframe_t *R_SkinFrame_LoadInternal8bit(const char *name, int textureflags, const unsigned char *skindata, int width, int height, const unsigned int *palette, const unsigned int *alphapalette)
3688 {
3689         int i;
3690         skinframe_t *skinframe;
3691
3692         if (cls.state == ca_dedicated)
3693                 return NULL;
3694
3695         // if already loaded just return it, otherwise make a new skinframe
3696         skinframe = R_SkinFrame_Find(name, textureflags, width, height, skindata ? CRC_Block(skindata, width*height) : 0, true);
3697         if (skinframe && skinframe->base)
3698                 return skinframe;
3699         textureflags &= ~TEXF_FORCE_RELOAD;
3700
3701         skinframe->stain = NULL;
3702         skinframe->merged = NULL;
3703         skinframe->base = NULL;
3704         skinframe->pants = NULL;
3705         skinframe->shirt = NULL;
3706         skinframe->nmap = NULL;
3707         skinframe->gloss = NULL;
3708         skinframe->glow = NULL;
3709         skinframe->fog = NULL;
3710         skinframe->reflect = NULL;
3711         skinframe->hasalpha = false;
3712
3713         // if no data was provided, then clearly the caller wanted to get a blank skinframe
3714         if (!skindata)
3715                 return NULL;
3716
3717         if (developer_loading.integer)
3718                 Con_Printf("loading embedded 8bit image \"%s\"\n", name);
3719
3720         skinframe->base = skinframe->merged = R_LoadTexture2D(r_main_texturepool, skinframe->basename, width, height, skindata, TEXTYPE_PALETTE, textureflags, -1, palette);
3721         if (textureflags & TEXF_ALPHA)
3722         {
3723                 for (i = 0;i < width * height;i++)
3724                 {
3725                         if (((unsigned char *)palette)[skindata[i]*4+3] < 255)
3726                         {
3727                                 skinframe->hasalpha = true;
3728                                 break;
3729                         }
3730                 }
3731                 if (r_loadfog && skinframe->hasalpha)
3732                         skinframe->fog = R_LoadTexture2D(r_main_texturepool, va("%s_fog", skinframe->basename), width, height, skindata, TEXTYPE_PALETTE, textureflags, -1, alphapalette);
3733         }
3734
3735         R_SKINFRAME_LOAD_AVERAGE_COLORS(width * height, ((unsigned char *)palette)[skindata[pix]*4 + comp]);
3736         //Con_Printf("Texture %s has average colors %f %f %f alpha %f\n", name, skinframe->avgcolor[0], skinframe->avgcolor[1], skinframe->avgcolor[2], skinframe->avgcolor[3]);
3737
3738         return skinframe;
3739 }
3740
3741 skinframe_t *R_SkinFrame_LoadMissing(void)
3742 {
3743         skinframe_t *skinframe;
3744
3745         if (cls.state == ca_dedicated)
3746                 return NULL;
3747
3748         skinframe = R_SkinFrame_Find("missing", TEXF_FORCENEAREST, 0, 0, 0, true);
3749         skinframe->stain = NULL;
3750         skinframe->merged = NULL;
3751         skinframe->base = NULL;
3752         skinframe->pants = NULL;
3753         skinframe->shirt = NULL;
3754         skinframe->nmap = NULL;
3755         skinframe->gloss = NULL;
3756         skinframe->glow = NULL;
3757         skinframe->fog = NULL;
3758         skinframe->reflect = NULL;
3759         skinframe->hasalpha = false;
3760
3761         skinframe->avgcolor[0] = rand() / RAND_MAX;
3762         skinframe->avgcolor[1] = rand() / RAND_MAX;
3763         skinframe->avgcolor[2] = rand() / RAND_MAX;
3764         skinframe->avgcolor[3] = 1;
3765
3766         return skinframe;
3767 }
3768
3769 //static char *suffix[6] = {"ft", "bk", "rt", "lf", "up", "dn"};
3770 typedef struct suffixinfo_s
3771 {
3772         const char *suffix;
3773         qboolean flipx, flipy, flipdiagonal;
3774 }
3775 suffixinfo_t;
3776 static suffixinfo_t suffix[3][6] =
3777 {
3778         {
3779                 {"px",   false, false, false},
3780                 {"nx",   false, false, false},
3781                 {"py",   false, false, false},
3782                 {"ny",   false, false, false},
3783                 {"pz",   false, false, false},
3784                 {"nz",   false, false, false}
3785         },
3786         {
3787                 {"posx", false, false, false},
3788                 {"negx", false, false, false},
3789                 {"posy", false, false, false},
3790                 {"negy", false, false, false},
3791                 {"posz", false, false, false},
3792                 {"negz", false, false, false}
3793         },
3794         {
3795                 {"rt",    true, false,  true},
3796                 {"lf",   false,  true,  true},
3797                 {"ft",    true,  true, false},
3798                 {"bk",   false, false, false},
3799                 {"up",    true, false,  true},
3800                 {"dn",    true, false,  true}
3801         }
3802 };
3803
3804 static int componentorder[4] = {0, 1, 2, 3};
3805
3806 rtexture_t *R_LoadCubemap(const char *basename)
3807 {
3808         int i, j, cubemapsize;
3809         unsigned char *cubemappixels, *image_buffer;
3810         rtexture_t *cubemaptexture;
3811         char name[256];
3812         // must start 0 so the first loadimagepixels has no requested width/height
3813         cubemapsize = 0;
3814         cubemappixels = NULL;
3815         cubemaptexture = NULL;
3816         // keep trying different suffix groups (posx, px, rt) until one loads
3817         for (j = 0;j < 3 && !cubemappixels;j++)
3818         {
3819                 // load the 6 images in the suffix group
3820                 for (i = 0;i < 6;i++)
3821                 {
3822                         // generate an image name based on the base and and suffix
3823                         dpsnprintf(name, sizeof(name), "%s%s", basename, suffix[j][i].suffix);
3824                         // load it
3825                         if ((image_buffer = loadimagepixelsbgra(name, false, false, false, NULL)))
3826                         {
3827                                 // an image loaded, make sure width and height are equal
3828                                 if (image_width == image_height && (!cubemappixels || image_width == cubemapsize))
3829                                 {
3830                                         // if this is the first image to load successfully, allocate the cubemap memory
3831                                         if (!cubemappixels && image_width >= 1)
3832                                         {
3833                                                 cubemapsize = image_width;
3834                                                 // note this clears to black, so unavailable sides are black
3835                                                 cubemappixels = (unsigned char *)Mem_Alloc(tempmempool, 6*cubemapsize*cubemapsize*4);
3836                                         }
3837                                         // copy the image with any flipping needed by the suffix (px and posx types don't need flipping)
3838                                         if (cubemappixels)
3839                                                 Image_CopyMux(cubemappixels+i*cubemapsize*cubemapsize*4, image_buffer, cubemapsize, cubemapsize, suffix[j][i].flipx, suffix[j][i].flipy, suffix[j][i].flipdiagonal, 4, 4, componentorder);
3840                                 }
3841                                 else
3842                                         Con_Printf("Cubemap image \"%s\" (%ix%i) is not square, OpenGL requires square cubemaps.\n", name, image_width, image_height);
3843                                 // free the image
3844                                 Mem_Free(image_buffer);
3845                         }
3846                 }
3847         }
3848         // if a cubemap loaded, upload it
3849         if (cubemappixels)
3850         {
3851                 if (developer_loading.integer)
3852                         Con_Printf("loading cubemap \"%s\"\n", basename);
3853
3854                 cubemaptexture = R_LoadTextureCubeMap(r_main_texturepool, basename, cubemapsize, cubemappixels, vid.sRGB3D ? TEXTYPE_SRGB_BGRA : TEXTYPE_BGRA, (gl_texturecompression_lightcubemaps.integer && gl_texturecompression.integer ? TEXF_COMPRESS : 0) | TEXF_FORCELINEAR | TEXF_CLAMP, -1, NULL);
3855                 Mem_Free(cubemappixels);
3856         }
3857         else
3858         {
3859                 Con_DPrintf("failed to load cubemap \"%s\"\n", basename);
3860                 if (developer_loading.integer)
3861                 {
3862                         Con_Printf("(tried tried images ");
3863                         for (j = 0;j < 3;j++)
3864                                 for (i = 0;i < 6;i++)
3865                                         Con_Printf("%s\"%s%s.tga\"", j + i > 0 ? ", " : "", basename, suffix[j][i].suffix);
3866                         Con_Print(" and was unable to find any of them).\n");
3867                 }
3868         }
3869         return cubemaptexture;
3870 }
3871
3872 rtexture_t *R_GetCubemap(const char *basename)
3873 {
3874         int i;
3875         for (i = 0;i < r_texture_numcubemaps;i++)
3876                 if (r_texture_cubemaps[i] != NULL)
3877                         if (!strcasecmp(r_texture_cubemaps[i]->basename, basename))
3878                                 return r_texture_cubemaps[i]->texture ? r_texture_cubemaps[i]->texture : r_texture_whitecube;
3879         if (i >= MAX_CUBEMAPS || !r_main_mempool)
3880                 return r_texture_whitecube;
3881         r_texture_numcubemaps++;
3882         r_texture_cubemaps[i] = (cubemapinfo_t *)Mem_Alloc(r_main_mempool, sizeof(cubemapinfo_t));
3883         strlcpy(r_texture_cubemaps[i]->basename, basename, sizeof(r_texture_cubemaps[i]->basename));
3884         r_texture_cubemaps[i]->texture = R_LoadCubemap(r_texture_cubemaps[i]->basename);
3885         return r_texture_cubemaps[i]->texture;
3886 }
3887
3888 void R_FreeCubemap(const char *basename)
3889 {
3890         int i;
3891
3892         for (i = 0;i < r_texture_numcubemaps;i++)
3893         {
3894                 if (r_texture_cubemaps[i] != NULL)
3895                 {
3896                         if (r_texture_cubemaps[i]->texture)
3897                         {
3898                                 if (developer_loading.integer)
3899                                         Con_DPrintf("unloading cubemap \"%s\"\n", r_texture_cubemaps[i]->basename);
3900                                 R_FreeTexture(r_texture_cubemaps[i]->texture);
3901                                 Mem_Free(r_texture_cubemaps[i]);
3902                                 r_texture_cubemaps[i] = NULL;
3903                         }
3904                 }
3905         }
3906 }
3907
3908 void R_FreeCubemaps(void)
3909 {
3910         int i;
3911         for (i = 0;i < r_texture_numcubemaps;i++)
3912         {
3913                 if (developer_loading.integer)
3914                         Con_DPrintf("unloading cubemap \"%s\"\n", r_texture_cubemaps[i]->basename);
3915                 if (r_texture_cubemaps[i] != NULL)
3916                 {
3917                         if (r_texture_cubemaps[i]->texture)
3918                                 R_FreeTexture(r_texture_cubemaps[i]->texture);
3919                         Mem_Free(r_texture_cubemaps[i]);
3920                 }
3921         }
3922         r_texture_numcubemaps = 0;
3923 }
3924
3925 void R_Main_FreeViewCache(void)
3926 {
3927         if (r_refdef.viewcache.entityvisible)
3928                 Mem_Free(r_refdef.viewcache.entityvisible);
3929         if (r_refdef.viewcache.world_pvsbits)
3930                 Mem_Free(r_refdef.viewcache.world_pvsbits);
3931         if (r_refdef.viewcache.world_leafvisible)
3932                 Mem_Free(r_refdef.viewcache.world_leafvisible);
3933         if (r_refdef.viewcache.world_surfacevisible)
3934                 Mem_Free(r_refdef.viewcache.world_surfacevisible);
3935         memset(&r_refdef.viewcache, 0, sizeof(r_refdef.viewcache));
3936 }
3937
3938 void R_Main_ResizeViewCache(void)
3939 {
3940         int numentities = r_refdef.scene.numentities;
3941         int numclusters = r_refdef.scene.worldmodel ? r_refdef.scene.worldmodel->brush.num_pvsclusters : 1;
3942         int numclusterbytes = r_refdef.scene.worldmodel ? r_refdef.scene.worldmodel->brush.num_pvsclusterbytes : 1;
3943         int numleafs = r_refdef.scene.worldmodel ? r_refdef.scene.worldmodel->brush.num_leafs : 1;
3944         int numsurfaces = r_refdef.scene.worldmodel ? r_refdef.scene.worldmodel->num_surfaces : 1;
3945         if (r_refdef.viewcache.maxentities < numentities)
3946         {
3947                 r_refdef.viewcache.maxentities = numentities;
3948                 if (r_refdef.viewcache.entityvisible)
3949                         Mem_Free(r_refdef.viewcache.entityvisible);
3950                 r_refdef.viewcache.entityvisible = (unsigned char *)Mem_Alloc(r_main_mempool, r_refdef.viewcache.maxentities);
3951         }
3952         if (r_refdef.viewcache.world_numclusters != numclusters)
3953         {
3954                 r_refdef.viewcache.world_numclusters = numclusters;
3955                 r_refdef.viewcache.world_numclusterbytes = numclusterbytes;
3956                 if (r_refdef.viewcache.world_pvsbits)
3957                         Mem_Free(r_refdef.viewcache.world_pvsbits);
3958                 r_refdef.viewcache.world_pvsbits = (unsigned char *)Mem_Alloc(r_main_mempool, r_refdef.viewcache.world_numclusterbytes);
3959         }
3960         if (r_refdef.viewcache.world_numleafs != numleafs)
3961         {
3962                 r_refdef.viewcache.world_numleafs = numleafs;
3963                 if (r_refdef.viewcache.world_leafvisible)
3964                         Mem_Free(r_refdef.viewcache.world_leafvisible);
3965                 r_refdef.viewcache.world_leafvisible = (unsigned char *)Mem_Alloc(r_main_mempool, r_refdef.viewcache.world_numleafs);
3966         }
3967         if (r_refdef.viewcache.world_numsurfaces != numsurfaces)
3968         {
3969                 r_refdef.viewcache.world_numsurfaces = numsurfaces;
3970                 if (r_refdef.viewcache.world_surfacevisible)
3971                         Mem_Free(r_refdef.viewcache.world_surfacevisible);
3972                 r_refdef.viewcache.world_surfacevisible = (unsigned char *)Mem_Alloc(r_main_mempool, r_refdef.viewcache.world_numsurfaces);
3973         }
3974 }
3975
3976 extern rtexture_t *loadingscreentexture;
3977 void gl_main_start(void)
3978 {
3979         loadingscreentexture = NULL;
3980         r_texture_blanknormalmap = NULL;
3981         r_texture_white = NULL;
3982         r_texture_grey128 = NULL;
3983         r_texture_black = NULL;
3984         r_texture_whitecube = NULL;
3985         r_texture_normalizationcube = NULL;
3986         r_texture_fogattenuation = NULL;
3987         r_texture_fogheighttexture = NULL;
3988         r_texture_gammaramps = NULL;
3989         r_texture_numcubemaps = 0;
3990
3991         r_loaddds = r_texture_dds_load.integer != 0;
3992         r_savedds = vid.support.arb_texture_compression && vid.support.ext_texture_compression_s3tc && r_texture_dds_save.integer;
3993
3994         switch(vid.renderpath)
3995         {
3996         case RENDERPATH_GL20:
3997         case RENDERPATH_D3D9:
3998         case RENDERPATH_D3D10:
3999         case RENDERPATH_D3D11:
4000         case RENDERPATH_SOFT:
4001         case RENDERPATH_GLES2:
4002                 Cvar_SetValueQuick(&r_textureunits, vid.texunits);
4003                 Cvar_SetValueQuick(&gl_combine, 1);
4004                 Cvar_SetValueQuick(&r_glsl, 1);
4005                 r_loadnormalmap = true;
4006                 r_loadgloss = true;
4007                 r_loadfog = false;
4008                 break;
4009         case RENDERPATH_GL13:
4010         case RENDERPATH_GLES1:
4011                 Cvar_SetValueQuick(&r_textureunits, vid.texunits);
4012                 Cvar_SetValueQuick(&gl_combine, 1);
4013                 Cvar_SetValueQuick(&r_glsl, 0);
4014                 r_loadnormalmap = false;
4015                 r_loadgloss = false;
4016                 r_loadfog = true;
4017                 break;
4018         case RENDERPATH_GL11:
4019                 Cvar_SetValueQuick(&r_textureunits, vid.texunits);
4020                 Cvar_SetValueQuick(&gl_combine, 0);
4021                 Cvar_SetValueQuick(&r_glsl, 0);
4022                 r_loadnormalmap = false;
4023                 r_loadgloss = false;
4024                 r_loadfog = true;
4025                 break;
4026         }
4027
4028         R_AnimCache_Free();
4029         R_FrameData_Reset();
4030
4031         r_numqueries = 0;
4032         r_maxqueries = 0;
4033         memset(r_queries, 0, sizeof(r_queries));
4034
4035         r_qwskincache = NULL;
4036         r_qwskincache_size = 0;
4037
4038         // due to caching of texture_t references, the collision cache must be reset
4039         Collision_Cache_Reset(true);
4040
4041         // set up r_skinframe loading system for textures
4042         memset(&r_skinframe, 0, sizeof(r_skinframe));
4043         r_skinframe.loadsequence = 1;
4044         Mem_ExpandableArray_NewArray(&r_skinframe.array, r_main_mempool, sizeof(skinframe_t), 256);
4045
4046         r_main_texturepool = R_AllocTexturePool();
4047         R_BuildBlankTextures();
4048         R_BuildNoTexture();
4049         if (vid.support.arb_texture_cube_map)
4050         {
4051                 R_BuildWhiteCube();
4052                 R_BuildNormalizationCube();
4053         }
4054         r_texture_fogattenuation = NULL;
4055         r_texture_fogheighttexture = NULL;
4056         r_texture_gammaramps = NULL;
4057         //r_texture_fogintensity = NULL;
4058         memset(&r_fb, 0, sizeof(r_fb));
4059         r_glsl_permutation = NULL;
4060         memset(r_glsl_permutationhash, 0, sizeof(r_glsl_permutationhash));
4061         Mem_ExpandableArray_NewArray(&r_glsl_permutationarray, r_main_mempool, sizeof(r_glsl_permutation_t), 256);
4062         glslshaderstring = NULL;
4063 #ifdef SUPPORTD3D
4064         r_hlsl_permutation = NULL;
4065         memset(r_hlsl_permutationhash, 0, sizeof(r_hlsl_permutationhash));
4066         Mem_ExpandableArray_NewArray(&r_hlsl_permutationarray, r_main_mempool, sizeof(r_hlsl_permutation_t), 256);
4067 #endif
4068         hlslshaderstring = NULL;
4069         memset(&r_svbsp, 0, sizeof (r_svbsp));
4070
4071         memset(r_texture_cubemaps, 0, sizeof(r_texture_cubemaps));
4072         r_texture_numcubemaps = 0;
4073
4074         r_refdef.fogmasktable_density = 0;
4075 }
4076
4077 void gl_main_shutdown(void)
4078 {
4079         R_AnimCache_Free();
4080         R_FrameData_Reset();
4081
4082         R_Main_FreeViewCache();
4083
4084         switch(vid.renderpath)
4085         {
4086         case RENDERPATH_GL11:
4087         case RENDERPATH_GL13:
4088         case RENDERPATH_GL20:
4089         case RENDERPATH_GLES1:
4090         case RENDERPATH_GLES2:
4091 #ifdef GL_SAMPLES_PASSED_ARB
4092                 if (r_maxqueries)
4093                         qglDeleteQueriesARB(r_maxqueries, r_queries);
4094 #endif
4095                 break;
4096         case RENDERPATH_D3D9:
4097                 //Con_DPrintf("FIXME D3D9 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
4098                 break;
4099         case RENDERPATH_D3D10:
4100                 Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
4101                 break;
4102         case RENDERPATH_D3D11:
4103                 Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
4104                 break;
4105         case RENDERPATH_SOFT:
4106                 break;
4107         }
4108
4109         r_numqueries = 0;
4110         r_maxqueries = 0;
4111         memset(r_queries, 0, sizeof(r_queries));
4112
4113         r_qwskincache = NULL;
4114         r_qwskincache_size = 0;
4115
4116         // clear out the r_skinframe state
4117         Mem_ExpandableArray_FreeArray(&r_skinframe.array);
4118         memset(&r_skinframe, 0, sizeof(r_skinframe));
4119
4120         if (r_svbsp.nodes)
4121                 Mem_Free(r_svbsp.nodes);
4122         memset(&r_svbsp, 0, sizeof (r_svbsp));
4123         R_FreeTexturePool(&r_main_texturepool);
4124         loadingscreentexture = NULL;
4125         r_texture_blanknormalmap = NULL;
4126         r_texture_white = NULL;
4127         r_texture_grey128 = NULL;
4128         r_texture_black = NULL;
4129         r_texture_whitecube = NULL;
4130         r_texture_normalizationcube = NULL;
4131         r_texture_fogattenuation = NULL;
4132         r_texture_fogheighttexture = NULL;
4133         r_texture_gammaramps = NULL;
4134         r_texture_numcubemaps = 0;
4135         //r_texture_fogintensity = NULL;
4136         memset(&r_fb, 0, sizeof(r_fb));
4137         R_GLSL_Restart_f();
4138
4139         r_glsl_permutation = NULL;
4140         memset(r_glsl_permutationhash, 0, sizeof(r_glsl_permutationhash));
4141         Mem_ExpandableArray_FreeArray(&r_glsl_permutationarray);
4142         glslshaderstring = NULL;
4143 #ifdef SUPPORTD3D
4144         r_hlsl_permutation = NULL;
4145         memset(r_hlsl_permutationhash, 0, sizeof(r_hlsl_permutationhash));
4146         Mem_ExpandableArray_FreeArray(&r_hlsl_permutationarray);
4147 #endif
4148         hlslshaderstring = NULL;
4149 }
4150
4151 extern void CL_ParseEntityLump(char *entitystring);
4152 void gl_main_newmap(void)
4153 {
4154         // FIXME: move this code to client
4155         char *entities, entname[MAX_QPATH];
4156         if (r_qwskincache)
4157                 Mem_Free(r_qwskincache);
4158         r_qwskincache = NULL;
4159         r_qwskincache_size = 0;
4160         if (cl.worldmodel)
4161         {
4162                 dpsnprintf(entname, sizeof(entname), "%s.ent", cl.worldnamenoextension);
4163                 if ((entities = (char *)FS_LoadFile(entname, tempmempool, true, NULL)))
4164                 {
4165                         CL_ParseEntityLump(entities);
4166                         Mem_Free(entities);
4167                         return;
4168                 }
4169                 if (cl.worldmodel->brush.entities)
4170                         CL_ParseEntityLump(cl.worldmodel->brush.entities);
4171         }
4172         R_Main_FreeViewCache();
4173
4174         R_FrameData_Reset();
4175 }
4176
4177 void GL_Main_Init(void)
4178 {
4179         r_main_mempool = Mem_AllocPool("Renderer", 0, NULL);
4180
4181         Cmd_AddCommand("r_glsl_restart", R_GLSL_Restart_f, "unloads GLSL shaders, they will then be reloaded as needed");
4182         Cmd_AddCommand("r_glsl_dumpshader", R_GLSL_DumpShader_f, "dumps the engine internal default.glsl shader into glsl/default.glsl");
4183         // FIXME: the client should set up r_refdef.fog stuff including the fogmasktable
4184         if (gamemode == GAME_NEHAHRA)
4185         {
4186                 Cvar_RegisterVariable (&gl_fogenable);
4187                 Cvar_RegisterVariable (&gl_fogdensity);
4188                 Cvar_RegisterVariable (&gl_fogred);
4189                 Cvar_RegisterVariable (&gl_foggreen);
4190                 Cvar_RegisterVariable (&gl_fogblue);
4191                 Cvar_RegisterVariable (&gl_fogstart);
4192                 Cvar_RegisterVariable (&gl_fogend);
4193                 Cvar_RegisterVariable (&gl_skyclip);
4194         }
4195         Cvar_RegisterVariable(&r_motionblur);
4196         Cvar_RegisterVariable(&r_damageblur);
4197         Cvar_RegisterVariable(&r_motionblur_averaging);
4198         Cvar_RegisterVariable(&r_motionblur_randomize);
4199         Cvar_RegisterVariable(&r_motionblur_minblur);
4200         Cvar_RegisterVariable(&r_motionblur_maxblur);
4201         Cvar_RegisterVariable(&r_motionblur_velocityfactor);
4202         Cvar_RegisterVariable(&r_motionblur_velocityfactor_minspeed);
4203         Cvar_RegisterVariable(&r_motionblur_velocityfactor_maxspeed);
4204         Cvar_RegisterVariable(&r_motionblur_mousefactor);
4205         Cvar_RegisterVariable(&r_motionblur_mousefactor_minspeed);
4206         Cvar_RegisterVariable(&r_motionblur_mousefactor_maxspeed);
4207         Cvar_RegisterVariable(&r_equalize_entities_fullbright);
4208         Cvar_RegisterVariable(&r_equalize_entities_minambient);
4209         Cvar_RegisterVariable(&r_equalize_entities_by);
4210         Cvar_RegisterVariable(&r_equalize_entities_to);
4211         Cvar_RegisterVariable(&r_depthfirst);
4212         Cvar_RegisterVariable(&r_useinfinitefarclip);
4213         Cvar_RegisterVariable(&r_farclip_base);
4214         Cvar_RegisterVariable(&r_farclip_world);
4215         Cvar_RegisterVariable(&r_nearclip);
4216         Cvar_RegisterVariable(&r_deformvertexes);
4217         Cvar_RegisterVariable(&r_transparent);
4218         Cvar_RegisterVariable(&r_transparent_alphatocoverage);
4219         Cvar_RegisterVariable(&r_showoverdraw);
4220         Cvar_RegisterVariable(&r_showbboxes);
4221         Cvar_RegisterVariable(&r_showsurfaces);
4222         Cvar_RegisterVariable(&r_showtris);
4223         Cvar_RegisterVariable(&r_shownormals);
4224         Cvar_RegisterVariable(&r_showlighting);
4225         Cvar_RegisterVariable(&r_showshadowvolumes);
4226         Cvar_RegisterVariable(&r_showcollisionbrushes);
4227         Cvar_RegisterVariable(&r_showcollisionbrushes_polygonfactor);
4228         Cvar_RegisterVariable(&r_showcollisionbrushes_polygonoffset);
4229         Cvar_RegisterVariable(&r_showdisabledepthtest);
4230         Cvar_RegisterVariable(&r_drawportals);
4231         Cvar_RegisterVariable(&r_drawentities);
4232         Cvar_RegisterVariable(&r_draw2d);
4233         Cvar_RegisterVariable(&r_drawworld);
4234         Cvar_RegisterVariable(&r_cullentities_trace);
4235         Cvar_RegisterVariable(&r_cullentities_trace_samples);
4236         Cvar_RegisterVariable(&r_cullentities_trace_tempentitysamples);
4237         Cvar_RegisterVariable(&r_cullentities_trace_enlarge);
4238         Cvar_RegisterVariable(&r_cullentities_trace_delay);
4239         Cvar_RegisterVariable(&r_sortentities);
4240         Cvar_RegisterVariable(&r_drawviewmodel);
4241         Cvar_RegisterVariable(&r_drawexteriormodel);
4242         Cvar_RegisterVariable(&r_speeds);
4243         Cvar_RegisterVariable(&r_fullbrights);
4244         Cvar_RegisterVariable(&r_wateralpha);
4245         Cvar_RegisterVariable(&r_dynamic);
4246         Cvar_RegisterVariable(&r_fakelight);
4247         Cvar_RegisterVariable(&r_fakelight_intensity);
4248         Cvar_RegisterVariable(&r_fullbright);
4249         Cvar_RegisterVariable(&r_shadows);
4250         Cvar_RegisterVariable(&r_shadows_darken);
4251         Cvar_RegisterVariable(&r_shadows_drawafterrtlighting);
4252         Cvar_RegisterVariable(&r_shadows_castfrombmodels);
4253         Cvar_RegisterVariable(&r_shadows_throwdistance);
4254         Cvar_RegisterVariable(&r_shadows_throwdirection);
4255         Cvar_RegisterVariable(&r_shadows_focus);
4256         Cvar_RegisterVariable(&r_shadows_shadowmapscale);
4257         Cvar_RegisterVariable(&r_q1bsp_skymasking);
4258         Cvar_RegisterVariable(&r_polygonoffset_submodel_factor);
4259         Cvar_RegisterVariable(&r_polygonoffset_submodel_offset);
4260         Cvar_RegisterVariable(&r_polygonoffset_decals_factor);
4261         Cvar_RegisterVariable(&r_polygonoffset_decals_offset);
4262         Cvar_RegisterVariable(&r_fog_exp2);
4263         Cvar_RegisterVariable(&r_fog_clear);
4264         Cvar_RegisterVariable(&r_drawfog);
4265         Cvar_RegisterVariable(&r_transparentdepthmasking);
4266         Cvar_RegisterVariable(&r_transparent_sortmindist);
4267         Cvar_RegisterVariable(&r_transparent_sortmaxdist);
4268         Cvar_RegisterVariable(&r_transparent_sortarraysize);
4269         Cvar_RegisterVariable(&r_texture_dds_load);
4270         Cvar_RegisterVariable(&r_texture_dds_save);
4271         Cvar_RegisterVariable(&r_textureunits);
4272         Cvar_RegisterVariable(&gl_combine);
4273         Cvar_RegisterVariable(&r_viewfbo);
4274         Cvar_RegisterVariable(&r_viewscale);
4275         Cvar_RegisterVariable(&r_viewscale_fpsscaling);
4276         Cvar_RegisterVariable(&r_viewscale_fpsscaling_min);
4277         Cvar_RegisterVariable(&r_viewscale_fpsscaling_multiply);
4278         Cvar_RegisterVariable(&r_viewscale_fpsscaling_stepsize);
4279         Cvar_RegisterVariable(&r_viewscale_fpsscaling_stepmax);
4280         Cvar_RegisterVariable(&r_viewscale_fpsscaling_target);
4281         Cvar_RegisterVariable(&r_glsl);
4282         Cvar_RegisterVariable(&r_glsl_deluxemapping);
4283         Cvar_RegisterVariable(&r_glsl_offsetmapping);
4284         Cvar_RegisterVariable(&r_glsl_offsetmapping_steps);
4285         Cvar_RegisterVariable(&r_glsl_offsetmapping_reliefmapping);
4286         Cvar_RegisterVariable(&r_glsl_offsetmapping_reliefmapping_steps);
4287         Cvar_RegisterVariable(&r_glsl_offsetmapping_reliefmapping_refinesteps);
4288         Cvar_RegisterVariable(&r_glsl_offsetmapping_scale);
4289         Cvar_RegisterVariable(&r_glsl_offsetmapping_lod);
4290         Cvar_RegisterVariable(&r_glsl_offsetmapping_lod_distance);
4291         Cvar_RegisterVariable(&r_glsl_postprocess);
4292         Cvar_RegisterVariable(&r_glsl_postprocess_uservec1);
4293         Cvar_RegisterVariable(&r_glsl_postprocess_uservec2);
4294         Cvar_RegisterVariable(&r_glsl_postprocess_uservec3);
4295         Cvar_RegisterVariable(&r_glsl_postprocess_uservec4);
4296         Cvar_RegisterVariable(&r_glsl_postprocess_uservec1_enable);
4297         Cvar_RegisterVariable(&r_glsl_postprocess_uservec2_enable);
4298         Cvar_RegisterVariable(&r_glsl_postprocess_uservec3_enable);
4299         Cvar_RegisterVariable(&r_glsl_postprocess_uservec4_enable);
4300
4301         Cvar_RegisterVariable(&r_water);
4302         Cvar_RegisterVariable(&r_water_resolutionmultiplier);
4303         Cvar_RegisterVariable(&r_water_clippingplanebias);
4304         Cvar_RegisterVariable(&r_water_refractdistort);
4305         Cvar_RegisterVariable(&r_water_reflectdistort);
4306         Cvar_RegisterVariable(&r_water_scissormode);
4307         Cvar_RegisterVariable(&r_water_lowquality);
4308         Cvar_RegisterVariable(&r_water_hideplayer);
4309         Cvar_RegisterVariable(&r_water_fbo);
4310
4311         Cvar_RegisterVariable(&r_lerpsprites);
4312         Cvar_RegisterVariable(&r_lerpmodels);
4313         Cvar_RegisterVariable(&r_lerplightstyles);
4314         Cvar_RegisterVariable(&r_waterscroll);
4315         Cvar_RegisterVariable(&r_bloom);
4316         Cvar_RegisterVariable(&r_bloom_colorscale);
4317         Cvar_RegisterVariable(&r_bloom_brighten);
4318         Cvar_RegisterVariable(&r_bloom_blur);
4319         Cvar_RegisterVariable(&r_bloom_resolution);
4320         Cvar_RegisterVariable(&r_bloom_colorexponent);
4321         Cvar_RegisterVariable(&r_bloom_colorsubtract);
4322         Cvar_RegisterVariable(&r_hdr_scenebrightness);
4323         Cvar_RegisterVariable(&r_hdr_glowintensity);
4324         Cvar_RegisterVariable(&r_hdr_irisadaptation);
4325         Cvar_RegisterVariable(&r_hdr_irisadaptation_multiplier);
4326         Cvar_RegisterVariable(&r_hdr_irisadaptation_minvalue);
4327         Cvar_RegisterVariable(&r_hdr_irisadaptation_maxvalue);
4328         Cvar_RegisterVariable(&r_hdr_irisadaptation_value);
4329         Cvar_RegisterVariable(&r_hdr_irisadaptation_fade_up);
4330         Cvar_RegisterVariable(&r_hdr_irisadaptation_fade_down);
4331         Cvar_RegisterVariable(&r_hdr_irisadaptation_radius);
4332         Cvar_RegisterVariable(&r_smoothnormals_areaweighting);
4333         Cvar_RegisterVariable(&developer_texturelogging);
4334         Cvar_RegisterVariable(&gl_lightmaps);
4335         Cvar_RegisterVariable(&r_test);
4336         Cvar_RegisterVariable(&r_glsl_saturation);
4337         Cvar_RegisterVariable(&r_glsl_saturation_redcompensate);
4338         Cvar_RegisterVariable(&r_glsl_vertextextureblend_usebothalphas);
4339         Cvar_RegisterVariable(&r_framedatasize);
4340         if (gamemode == GAME_NEHAHRA || gamemode == GAME_TENEBRAE)
4341                 Cvar_SetValue("r_fullbrights", 0);
4342         R_RegisterModule("GL_Main", gl_main_start, gl_main_shutdown, gl_main_newmap, NULL, NULL);
4343 }
4344
4345 extern void R_Textures_Init(void);
4346 extern void GL_Draw_Init(void);
4347 extern void GL_Main_Init(void);
4348 extern void R_Shadow_Init(void);
4349 extern void R_Sky_Init(void);
4350 extern void GL_Surf_Init(void);
4351 extern void R_Particles_Init(void);
4352 extern void R_Explosion_Init(void);
4353 extern void gl_backend_init(void);
4354 extern void Sbar_Init(void);
4355 extern void R_LightningBeams_Init(void);
4356 extern void Mod_RenderInit(void);
4357 extern void Font_Init(void);
4358
4359 void Render_Init(void)
4360 {
4361         gl_backend_init();
4362         R_Textures_Init();
4363         GL_Main_Init();
4364         Font_Init();
4365         GL_Draw_Init();
4366         R_Shadow_Init();
4367         R_Sky_Init();
4368         GL_Surf_Init();
4369         Sbar_Init();
4370         R_Particles_Init();
4371         R_Explosion_Init();
4372         R_LightningBeams_Init();
4373         Mod_RenderInit();
4374 }
4375
4376 /*
4377 ===============
4378 GL_Init
4379 ===============
4380 */
4381 #ifndef USE_GLES2
4382 extern char *ENGINE_EXTENSIONS;
4383 void GL_Init (void)
4384 {
4385         gl_renderer = (const char *)qglGetString(GL_RENDERER);
4386         gl_vendor = (const char *)qglGetString(GL_VENDOR);
4387         gl_version = (const char *)qglGetString(GL_VERSION);
4388         gl_extensions = (const char *)qglGetString(GL_EXTENSIONS);
4389
4390         if (!gl_extensions)
4391                 gl_extensions = "";
4392         if (!gl_platformextensions)
4393                 gl_platformextensions = "";
4394
4395         Con_Printf("GL_VENDOR: %s\n", gl_vendor);
4396         Con_Printf("GL_RENDERER: %s\n", gl_renderer);
4397         Con_Printf("GL_VERSION: %s\n", gl_version);
4398         Con_DPrintf("GL_EXTENSIONS: %s\n", gl_extensions);
4399         Con_DPrintf("%s_EXTENSIONS: %s\n", gl_platform, gl_platformextensions);
4400
4401         VID_CheckExtensions();
4402
4403         // LordHavoc: report supported extensions
4404         Con_DPrintf("\nQuakeC extensions for server and client: %s\nQuakeC extensions for menu: %s\n", vm_sv_extensions, vm_m_extensions );
4405
4406         // clear to black (loading plaque will be seen over this)
4407         GL_Clear(GL_COLOR_BUFFER_BIT, NULL, 1.0f, 128);
4408 }
4409 #endif
4410
4411 int R_CullBox(const vec3_t mins, const vec3_t maxs)
4412 {
4413         int i;
4414         mplane_t *p;
4415         if (r_trippy.integer)
4416                 return false;
4417         for (i = 0;i < r_refdef.view.numfrustumplanes;i++)
4418         {
4419                 // skip nearclip plane, it often culls portals when you are very close, and is almost never useful
4420                 if (i == 4)
4421                         continue;
4422                 p = r_refdef.view.frustum + i;
4423                 switch(p->signbits)
4424                 {
4425                 default:
4426                 case 0:
4427                         if (p->normal[0]*maxs[0] + p->normal[1]*maxs[1] + p->normal[2]*maxs[2] < p->dist)
4428                                 return true;
4429                         break;
4430                 case 1:
4431                         if (p->normal[0]*mins[0] + p->normal[1]*maxs[1] + p->normal[2]*maxs[2] < p->dist)
4432                                 return true;
4433                         break;
4434                 case 2:
4435                         if (p->normal[0]*maxs[0] + p->normal[1]*mins[1] + p->normal[2]*maxs[2] < p->dist)
4436                                 return true;
4437                         break;
4438                 case 3:
4439                         if (p->normal[0]*mins[0] + p->normal[1]*mins[1] + p->normal[2]*maxs[2] < p->dist)
4440                                 return true;
4441                         break;
4442                 case 4:
4443                         if (p->normal[0]*maxs[0] + p->normal[1]*maxs[1] + p->normal[2]*mins[2] < p->dist)
4444                                 return true;
4445                         break;
4446                 case 5:
4447                         if (p->normal[0]*mins[0] + p->normal[1]*maxs[1] + p->normal[2]*mins[2] < p->dist)
4448                                 return true;
4449                         break;
4450                 case 6:
4451                         if (p->normal[0]*maxs[0] + p->normal[1]*mins[1] + p->normal[2]*mins[2] < p->dist)
4452                                 return true;
4453                         break;
4454                 case 7:
4455                         if (p->normal[0]*mins[0] + p->normal[1]*mins[1] + p->normal[2]*mins[2] < p->dist)
4456                                 return true;
4457                         break;
4458                 }
4459         }
4460         return false;
4461 }
4462
4463 int R_CullBoxCustomPlanes(const vec3_t mins, const vec3_t maxs, int numplanes, const mplane_t *planes)
4464 {
4465         int i;
4466         const mplane_t *p;
4467         if (r_trippy.integer)
4468                 return false;
4469         for (i = 0;i < numplanes;i++)
4470         {
4471                 p = planes + i;
4472                 switch(p->signbits)
4473                 {
4474                 default:
4475                 case 0:
4476                         if (p->normal[0]*maxs[0] + p->normal[1]*maxs[1] + p->normal[2]*maxs[2] < p->dist)
4477                                 return true;
4478                         break;
4479                 case 1:
4480                         if (p->normal[0]*mins[0] + p->normal[1]*maxs[1] + p->normal[2]*maxs[2] < p->dist)
4481                                 return true;
4482                         break;
4483                 case 2:
4484                         if (p->normal[0]*maxs[0] + p->normal[1]*mins[1] + p->normal[2]*maxs[2] < p->dist)
4485                                 return true;
4486                         break;
4487                 case 3:
4488                         if (p->normal[0]*mins[0] + p->normal[1]*mins[1] + p->normal[2]*maxs[2] < p->dist)
4489                                 return true;
4490                         break;
4491                 case 4:
4492                         if (p->normal[0]*maxs[0] + p->normal[1]*maxs[1] + p->normal[2]*mins[2] < p->dist)
4493                                 return true;
4494                         break;
4495                 case 5:
4496                         if (p->normal[0]*mins[0] + p->normal[1]*maxs[1] + p->normal[2]*mins[2] < p->dist)
4497                                 return true;
4498                         break;
4499                 case 6:
4500                         if (p->normal[0]*maxs[0] + p->normal[1]*mins[1] + p->normal[2]*mins[2] < p->dist)
4501                                 return true;
4502                         break;
4503                 case 7:
4504                         if (p->normal[0]*mins[0] + p->normal[1]*mins[1] + p->normal[2]*mins[2] < p->dist)
4505                                 return true;
4506                         break;
4507                 }
4508         }
4509         return false;
4510 }
4511
4512 //==================================================================================
4513
4514 // LordHavoc: this stores temporary data used within the same frame
4515
4516 typedef struct r_framedata_mem_s
4517 {
4518         struct r_framedata_mem_s *purge; // older mem block to free on next frame
4519         size_t size; // how much usable space
4520         size_t current; // how much space in use
4521         size_t mark; // last "mark" location, temporary memory can be freed by returning to this
4522         size_t wantedsize; // how much space was allocated
4523         unsigned char *data; // start of real data (16byte aligned)
4524 }
4525 r_framedata_mem_t;
4526
4527 static r_framedata_mem_t *r_framedata_mem;
4528
4529 void R_FrameData_Reset(void)
4530 {
4531         while (r_framedata_mem)
4532         {
4533                 r_framedata_mem_t *next = r_framedata_mem->purge;
4534                 Mem_Free(r_framedata_mem);
4535                 r_framedata_mem = next;
4536         }
4537 }
4538
4539 void R_FrameData_Resize(void)
4540 {
4541         size_t wantedsize;
4542         wantedsize = (size_t)(r_framedatasize.value * 1024*1024);
4543         wantedsize = bound(65536, wantedsize, 1000*1024*1024);
4544         if (!r_framedata_mem || r_framedata_mem->wantedsize != wantedsize)
4545         {
4546                 r_framedata_mem_t *newmem = (r_framedata_mem_t *)Mem_Alloc(r_main_mempool, wantedsize);
4547                 newmem->wantedsize = wantedsize;
4548                 newmem->data = (unsigned char *)(((size_t)(newmem+1) + 15) & ~15);
4549                 newmem->size = (unsigned char *)newmem + wantedsize - newmem->data;
4550                 newmem->current = 0;
4551                 newmem->mark = 0;
4552                 newmem->purge = r_framedata_mem;
4553                 r_framedata_mem = newmem;
4554         }
4555 }
4556
4557 void R_FrameData_NewFrame(void)
4558 {
4559         R_FrameData_Resize();
4560         if (!r_framedata_mem)
4561                 return;
4562         // if we ran out of space on the last frame, free the old memory now
4563         while (r_framedata_mem->purge)
4564         {
4565                 // repeatedly remove the second item in the list, leaving only head
4566                 r_framedata_mem_t *next = r_framedata_mem->purge->purge;
4567                 Mem_Free(r_framedata_mem->purge);
4568                 r_framedata_mem->purge = next;
4569         }
4570         // reset the current mem pointer
4571         r_framedata_mem->current = 0;
4572         r_framedata_mem->mark = 0;
4573 }
4574
4575 void *R_FrameData_Alloc(size_t size)
4576 {
4577         void *data;
4578
4579         // align to 16 byte boundary - the data pointer is already aligned, so we
4580         // only need to ensure the size of every allocation is also aligned
4581         size = (size + 15) & ~15;
4582
4583         while (!r_framedata_mem || r_framedata_mem->current + size > r_framedata_mem->size)
4584         {
4585                 // emergency - we ran out of space, allocate more memory
4586                 Cvar_SetValueQuick(&r_framedatasize, bound(0.25f, r_framedatasize.value * 2.0f, 128.0f));
4587                 R_FrameData_Resize();
4588         }
4589
4590         data = r_framedata_mem->data + r_framedata_mem->current;
4591         r_framedata_mem->current += size;
4592
4593         // count the usage for stats
4594         r_refdef.stats.framedatacurrent = max(r_refdef.stats.framedatacurrent, (int)r_framedata_mem->current);
4595         r_refdef.stats.framedatasize = max(r_refdef.stats.framedatasize, (int)r_framedata_mem->size);
4596
4597         return (void *)data;
4598 }
4599
4600 void *R_FrameData_Store(size_t size, void *data)
4601 {
4602         void *d = R_FrameData_Alloc(size);
4603         if (d && data)
4604                 memcpy(d, data, size);
4605         return d;
4606 }
4607
4608 void R_FrameData_SetMark(void)
4609 {
4610         if (!r_framedata_mem)
4611                 return;
4612         r_framedata_mem->mark = r_framedata_mem->current;
4613 }
4614
4615 void R_FrameData_ReturnToMark(void)
4616 {
4617         if (!r_framedata_mem)
4618                 return;
4619         r_framedata_mem->current = r_framedata_mem->mark;
4620 }
4621
4622 //==================================================================================
4623
4624 // LordHavoc: animcache originally written by Echon, rewritten since then
4625
4626 /**
4627  * Animation cache prevents re-generating mesh data for an animated model
4628  * multiple times in one frame for lighting, shadowing, reflections, etc.
4629  */
4630
4631 void R_AnimCache_Free(void)
4632 {
4633 }
4634
4635 void R_AnimCache_ClearCache(void)
4636 {
4637         int i;
4638         entity_render_t *ent;
4639
4640         for (i = 0;i < r_refdef.scene.numentities;i++)
4641         {
4642                 ent = r_refdef.scene.entities[i];
4643                 ent->animcache_vertex3f = NULL;
4644                 ent->animcache_normal3f = NULL;
4645                 ent->animcache_svector3f = NULL;
4646                 ent->animcache_tvector3f = NULL;
4647                 ent->animcache_vertexmesh = NULL;
4648                 ent->animcache_vertex3fbuffer = NULL;
4649                 ent->animcache_vertexmeshbuffer = NULL;
4650         }
4651 }
4652
4653 void R_AnimCache_UpdateEntityMeshBuffers(entity_render_t *ent, int numvertices)
4654 {
4655         int i;
4656
4657         // check if we need the meshbuffers
4658         if (!vid.useinterleavedarrays)
4659                 return;
4660
4661         if (!ent->animcache_vertexmesh && ent->animcache_normal3f)
4662                 ent->animcache_vertexmesh = (r_vertexmesh_t *)R_FrameData_Alloc(sizeof(r_vertexmesh_t)*numvertices);
4663         // TODO: upload vertex3f buffer?
4664         if (ent->animcache_vertexmesh)
4665         {
4666                 memcpy(ent->animcache_vertexmesh, ent->model->surfmesh.vertexmesh, sizeof(r_vertexmesh_t)*numvertices);
4667                 for (i = 0;i < numvertices;i++)
4668                         memcpy(ent->animcache_vertexmesh[i].vertex3f, ent->animcache_vertex3f + 3*i, sizeof(float[3]));
4669                 if (ent->animcache_svector3f)
4670                         for (i = 0;i < numvertices;i++)
4671                                 memcpy(ent->animcache_vertexmesh[i].svector3f, ent->animcache_svector3f + 3*i, sizeof(float[3]));
4672                 if (ent->animcache_tvector3f)
4673                         for (i = 0;i < numvertices;i++)
4674                                 memcpy(ent->animcache_vertexmesh[i].tvector3f, ent->animcache_tvector3f + 3*i, sizeof(float[3]));
4675                 if (ent->animcache_normal3f)
4676                         for (i = 0;i < numvertices;i++)
4677                                 memcpy(ent->animcache_vertexmesh[i].normal3f, ent->animcache_normal3f + 3*i, sizeof(float[3]));
4678                 // TODO: upload vertexmeshbuffer?
4679         }
4680 }
4681
4682 qboolean R_AnimCache_GetEntity(entity_render_t *ent, qboolean wantnormals, qboolean wanttangents)
4683 {
4684         dp_model_t *model = ent->model;
4685         int numvertices;
4686         // see if it's already cached this frame
4687         if (ent->animcache_vertex3f)
4688         {
4689                 // add normals/tangents if needed (this only happens with multiple views, reflections, cameras, etc)
4690                 if (wantnormals || wanttangents)
4691                 {
4692                         if (ent->animcache_normal3f)
4693                                 wantnormals = false;
4694                         if (ent->animcache_svector3f)
4695                                 wanttangents = false;
4696                         if (wantnormals || wanttangents)
4697                         {
4698                                 numvertices = model->surfmesh.num_vertices;
4699                                 if (wantnormals)
4700                                         ent->animcache_normal3f = (float *)R_FrameData_Alloc(sizeof(float[3])*numvertices);
4701                                 if (wanttangents)
4702                                 {
4703                                         ent->animcache_svector3f = (float *)R_FrameData_Alloc(sizeof(float[3])*numvertices);
4704                                         ent->animcache_tvector3f = (float *)R_FrameData_Alloc(sizeof(float[3])*numvertices);
4705                                 }
4706                                 model->AnimateVertices(model, ent->frameblend, ent->skeleton, NULL, wantnormals ? ent->animcache_normal3f : NULL, wanttangents ? ent->animcache_svector3f : NULL, wanttangents ? ent->animcache_tvector3f : NULL);
4707                                 R_AnimCache_UpdateEntityMeshBuffers(ent, model->surfmesh.num_vertices);
4708                         }
4709                 }
4710         }
4711         else
4712         {
4713                 // see if this ent is worth caching
4714                 if (!model || !model->Draw || !model->surfmesh.isanimated || !model->AnimateVertices)
4715                         return false;
4716                 // get some memory for this entity and generate mesh data
4717                 numvertices = model->surfmesh.num_vertices;
4718                 ent->animcache_vertex3f = (float *)R_FrameData_Alloc(sizeof(float[3])*numvertices);
4719                 if (wantnormals)
4720                         ent->animcache_normal3f = (float *)R_FrameData_Alloc(sizeof(float[3])*numvertices);
4721                 if (wanttangents)
4722                 {
4723                         ent->animcache_svector3f = (float *)R_FrameData_Alloc(sizeof(float[3])*numvertices);
4724                         ent->animcache_tvector3f = (float *)R_FrameData_Alloc(sizeof(float[3])*numvertices);
4725                 }
4726                 model->AnimateVertices(model, ent->frameblend, ent->skeleton, ent->animcache_vertex3f, ent->animcache_normal3f, ent->animcache_svector3f, ent->animcache_tvector3f);
4727                 R_AnimCache_UpdateEntityMeshBuffers(ent, model->surfmesh.num_vertices);
4728         }
4729         return true;
4730 }
4731
4732 void R_AnimCache_CacheVisibleEntities(void)
4733 {
4734         int i;
4735         qboolean wantnormals = true;
4736         qboolean wanttangents = !r_showsurfaces.integer;
4737
4738         switch(vid.renderpath)
4739         {
4740         case RENDERPATH_GL20:
4741         case RENDERPATH_D3D9:
4742         case RENDERPATH_D3D10:
4743         case RENDERPATH_D3D11:
4744         case RENDERPATH_GLES2:
4745                 break;
4746         case RENDERPATH_GL11:
4747         case RENDERPATH_GL13:
4748         case RENDERPATH_GLES1:
4749                 wanttangents = false;
4750                 break;
4751         case RENDERPATH_SOFT:
4752                 break;
4753         }
4754
4755         if (r_shownormals.integer)
4756                 wanttangents = wantnormals = true;
4757
4758         // TODO: thread this
4759         // NOTE: R_PrepareRTLights() also caches entities
4760
4761         for (i = 0;i < r_refdef.scene.numentities;i++)
4762                 if (r_refdef.viewcache.entityvisible[i])
4763                         R_AnimCache_GetEntity(r_refdef.scene.entities[i], wantnormals, wanttangents);
4764 }
4765
4766 //==================================================================================
4767
4768 extern cvar_t r_overheadsprites_pushback;
4769
4770 static void R_View_UpdateEntityLighting (void)
4771 {
4772         int i;
4773         entity_render_t *ent;
4774         vec3_t tempdiffusenormal, avg;
4775         vec_t f, fa, fd, fdd;
4776         qboolean skipunseen = r_shadows.integer != 1; //|| R_Shadow_ShadowMappingEnabled();
4777
4778         for (i = 0;i < r_refdef.scene.numentities;i++)
4779         {
4780                 ent = r_refdef.scene.entities[i];
4781
4782                 // skip unseen models and models that updated by CSQC
4783                 if ((!r_refdef.viewcache.entityvisible[i] && skipunseen) || ent->flags & RENDER_CUSTOMIZEDMODELLIGHT)
4784                         continue;
4785
4786                 // skip bsp models
4787                 if (ent->model && ent->model->brush.num_leafs)
4788                 {
4789                         // TODO: use modellight for r_ambient settings on world?
4790                         VectorSet(ent->modellight_ambient, 0, 0, 0);
4791                         VectorSet(ent->modellight_diffuse, 0, 0, 0);
4792                         VectorSet(ent->modellight_lightdir, 0, 0, 1);
4793                         continue;
4794                 }
4795
4796                 // fetch the lighting from the worldmodel data
4797                 VectorClear(ent->modellight_ambient);
4798                 VectorClear(ent->modellight_diffuse);
4799                 VectorClear(tempdiffusenormal);
4800                 if (ent->flags & RENDER_LIGHT)
4801                 {
4802                         vec3_t org;
4803                         Matrix4x4_OriginFromMatrix(&ent->matrix, org);
4804
4805                         // complete lightning for lit sprites
4806                         // todo: make a EF_ field so small ents could be lit purely by modellight and skipping real rtlight pass (like EF_NORTLIGHT)?
4807                         if (ent->model->type == mod_sprite && !(ent->model->data_textures[0].basematerialflags & MATERIALFLAG_FULLBRIGHT))
4808                         {
4809                                 if (ent->model->sprite.sprnum_type == SPR_OVERHEAD) // apply offset for overhead sprites
4810                                         org[2] = org[2] + r_overheadsprites_pushback.value;
4811                                 R_LightPoint(ent->modellight_ambient, org, LP_LIGHTMAP | LP_RTWORLD | LP_DYNLIGHT);
4812                         }
4813                         else
4814                                 R_CompleteLightPoint(ent->modellight_ambient, ent->modellight_diffuse, tempdiffusenormal, org, LP_LIGHTMAP);
4815
4816                         if(ent->flags & RENDER_EQUALIZE)
4817                         {
4818                                 // first fix up ambient lighting...
4819                                 if(r_equalize_entities_minambient.value > 0)
4820                                 {
4821                                         fd = 0.299f * ent->modellight_diffuse[0] + 0.587f * ent->modellight_diffuse[1] + 0.114f * ent->modellight_diffuse[2];
4822                                         if(fd > 0)
4823                                         {
4824                                                 fa = (0.299f * ent->modellight_ambient[0] + 0.587f * ent->modellight_ambient[1] + 0.114f * ent->modellight_ambient[2]);
4825                                                 if(fa < r_equalize_entities_minambient.value * fd)
4826                                                 {
4827                                                         // solve:
4828                                                         //   fa'/fd' = minambient
4829                                                         //   fa'+0.25*fd' = fa+0.25*fd
4830                                                         //   ...
4831                                                         //   fa' = fd' * minambient
4832                                                         //   fd'*(0.25+minambient) = fa+0.25*fd
4833                                                         //   ...
4834                                                         //   fd' = (fa+0.25*fd) * 1 / (0.25+minambient)
4835                                                         //   fa' = (fa+0.25*fd) * minambient / (0.25+minambient)
4836                                                         //   ...
4837                                                         fdd = (fa + 0.25f * fd) / (0.25f + r_equalize_entities_minambient.value);
4838                                                         f = fdd / fd; // f>0 because all this is additive; f<1 because fdd<fd because this follows from fa < r_equalize_entities_minambient.value * fd
4839                                                         VectorMA(ent->modellight_ambient, (1-f)*0.25f, ent->modellight_diffuse, ent->modellight_ambient);
4840                                                         VectorScale(ent->modellight_diffuse, f, ent->modellight_diffuse);
4841                                                 }
4842                                         }
4843                                 }
4844
4845                                 if(r_equalize_entities_to.value > 0 && r_equalize_entities_by.value != 0)
4846                                 {
4847                                         fa = 0.299f * ent->modellight_ambient[0] + 0.587f * ent->modellight_ambient[1] + 0.114f * ent->modellight_ambient[2];
4848                                         fd = 0.299f * ent->modellight_diffuse[0] + 0.587f * ent->modellight_diffuse[1] + 0.114f * ent->modellight_diffuse[2];
4849                                         f = fa + 0.25 * fd;
4850                                         if(f > 0)
4851                                         {
4852                                                 // adjust brightness and saturation to target
4853                                                 avg[0] = avg[1] = avg[2] = fa / f;
4854                                                 VectorLerp(ent->modellight_ambient, r_equalize_entities_by.value, avg, ent->modellight_ambient);
4855                                                 avg[0] = avg[1] = avg[2] = fd / f;
4856                                                 VectorLerp(ent->modellight_diffuse, r_equalize_entities_by.value, avg, ent->modellight_diffuse);
4857                                         }
4858                                 }
4859                         }
4860                 }
4861                 else // highly rare
4862                         VectorSet(ent->modellight_ambient, 1, 1, 1);
4863
4864                 // move the light direction into modelspace coordinates for lighting code
4865                 Matrix4x4_Transform3x3(&ent->inversematrix, tempdiffusenormal, ent->modellight_lightdir);
4866                 if(VectorLength2(ent->modellight_lightdir) == 0)
4867                         VectorSet(ent->modellight_lightdir, 0, 0, 1); // have to set SOME valid vector here
4868                 VectorNormalize(ent->modellight_lightdir);
4869         }
4870 }
4871
4872 #define MAX_LINEOFSIGHTTRACES 64
4873
4874 static qboolean R_CanSeeBox(int numsamples, vec_t enlarge, vec3_t eye, vec3_t entboxmins, vec3_t entboxmaxs)
4875 {
4876         int i;
4877         vec3_t boxmins, boxmaxs;
4878         vec3_t start;
4879         vec3_t end;
4880         dp_model_t *model = r_refdef.scene.worldmodel;
4881
4882         if (!model || !model->brush.TraceLineOfSight)
4883                 return true;
4884
4885         // expand the box a little
4886         boxmins[0] = (enlarge+1) * entboxmins[0] - enlarge * entboxmaxs[0];
4887         boxmaxs[0] = (enlarge+1) * entboxmaxs[0] - enlarge * entboxmins[0];
4888         boxmins[1] = (enlarge+1) * entboxmins[1] - enlarge * entboxmaxs[1];
4889         boxmaxs[1] = (enlarge+1) * entboxmaxs[1] - enlarge * entboxmins[1];
4890         boxmins[2] = (enlarge+1) * entboxmins[2] - enlarge * entboxmaxs[2];
4891         boxmaxs[2] = (enlarge+1) * entboxmaxs[2] - enlarge * entboxmins[2];
4892
4893         // return true if eye is inside enlarged box
4894         if (BoxesOverlap(boxmins, boxmaxs, eye, eye))
4895                 return true;
4896
4897         // try center
4898         VectorCopy(eye, start);
4899         VectorMAM(0.5f, boxmins, 0.5f, boxmaxs, end);
4900         if (model->brush.TraceLineOfSight(model, start, end))
4901                 return true;
4902
4903         // try various random positions
4904         for (i = 0;i < numsamples;i++)
4905         {
4906                 VectorSet(end, lhrandom(boxmins[0], boxmaxs[0]), lhrandom(boxmins[1], boxmaxs[1]), lhrandom(boxmins[2], boxmaxs[2]));
4907                 if (model->brush.TraceLineOfSight(model, start, end))
4908                         return true;
4909         }
4910
4911         return false;
4912 }
4913
4914
4915 static void R_View_UpdateEntityVisible (void)
4916 {
4917         int i;
4918         int renderimask;
4919         int samples;
4920         entity_render_t *ent;
4921
4922         renderimask = r_refdef.envmap                                    ? (RENDER_EXTERIORMODEL | RENDER_VIEWMODEL)
4923                 : r_fb.water.hideplayer                                      ? (RENDER_EXTERIORMODEL | RENDER_VIEWMODEL)
4924                 : (chase_active.integer || r_fb.water.renderingscene)  ? RENDER_VIEWMODEL
4925                 :                                                          RENDER_EXTERIORMODEL;
4926         if (!r_drawviewmodel.integer)
4927                 renderimask |= RENDER_VIEWMODEL;
4928         if (!r_drawexteriormodel.integer)
4929                 renderimask |= RENDER_EXTERIORMODEL;
4930         if (r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->brush.BoxTouchingVisibleLeafs)
4931         {
4932                 // worldmodel can check visibility
4933                 memset(r_refdef.viewcache.entityvisible, 0, r_refdef.scene.numentities);
4934                 for (i = 0;i < r_refdef.scene.numentities;i++)
4935                 {
4936                         ent = r_refdef.scene.entities[i];
4937                         if (!(ent->flags & renderimask))
4938                         if (!R_CullBox(ent->mins, ent->maxs) || (ent->model && ent->model->type == mod_sprite && (ent->model->sprite.sprnum_type == SPR_LABEL || ent->model->sprite.sprnum_type == SPR_LABEL_SCALE)))
4939                         if ((ent->flags & (RENDER_NODEPTHTEST | RENDER_WORLDOBJECT | RENDER_VIEWMODEL)) || r_refdef.scene.worldmodel->brush.BoxTouchingVisibleLeafs(r_refdef.scene.worldmodel, r_refdef.viewcache.world_leafvisible, ent->mins, ent->maxs))
4940                                 r_refdef.viewcache.entityvisible[i] = true;
4941                 }
4942         }
4943         else
4944         {
4945                 // no worldmodel or it can't check visibility
4946                 for (i = 0;i < r_refdef.scene.numentities;i++)
4947                 {
4948                         ent = r_refdef.scene.entities[i];
4949                         r_refdef.viewcache.entityvisible[i] = !(ent->flags & renderimask) && ((ent->model && ent->model->type == mod_sprite && (ent->model->sprite.sprnum_type == SPR_LABEL || ent->model->sprite.sprnum_type == SPR_LABEL_SCALE)) || !R_CullBox(ent->mins, ent->maxs));
4950                 }
4951         }
4952         if(r_cullentities_trace.integer && r_refdef.scene.worldmodel->brush.TraceLineOfSight && !r_refdef.view.useclipplane && !r_trippy.integer)
4953                 // sorry, this check doesn't work for portal/reflection/refraction renders as the view origin is not useful for culling
4954         {
4955                 for (i = 0;i < r_refdef.scene.numentities;i++)
4956                 {
4957                         if (!r_refdef.viewcache.entityvisible[i])
4958                                 continue;
4959                         ent = r_refdef.scene.entities[i];
4960                         if(!(ent->flags & (RENDER_VIEWMODEL | RENDER_WORLDOBJECT | RENDER_NODEPTHTEST)) && !(ent->model && (ent->model->name[0] == '*')))
4961                         {
4962                                 samples = ent->entitynumber ? r_cullentities_trace_samples.integer : r_cullentities_trace_tempentitysamples.integer;
4963                                 if (samples < 0)
4964                                         continue; // temp entities do pvs only
4965                                 if(R_CanSeeBox(samples, r_cullentities_trace_enlarge.value, r_refdef.view.origin, ent->mins, ent->maxs))
4966                                         ent->last_trace_visibility = realtime;
4967                                 if(ent->last_trace_visibility < realtime - r_cullentities_trace_delay.value)
4968                                         r_refdef.viewcache.entityvisible[i] = 0;
4969                         }
4970                 }
4971         }
4972 }
4973
4974 /// only used if skyrendermasked, and normally returns false
4975 int R_DrawBrushModelsSky (void)
4976 {
4977         int i, sky;
4978         entity_render_t *ent;
4979
4980         sky = false;
4981         for (i = 0;i < r_refdef.scene.numentities;i++)
4982         {
4983                 if (!r_refdef.viewcache.entityvisible[i])
4984                         continue;
4985                 ent = r_refdef.scene.entities[i];
4986                 if (!ent->model || !ent->model->DrawSky)
4987                         continue;
4988                 ent->model->DrawSky(ent);
4989                 sky = true;
4990         }
4991         return sky;
4992 }
4993
4994 static void R_DrawNoModel(entity_render_t *ent);
4995 static void R_DrawModels(void)
4996 {
4997         int i;
4998         entity_render_t *ent;
4999
5000         for (i = 0;i < r_refdef.scene.numentities;i++)
5001         {
5002                 if (!r_refdef.viewcache.entityvisible[i])
5003                         continue;
5004                 ent = r_refdef.scene.entities[i];
5005                 r_refdef.stats.entities++;
5006                 /*
5007                 if (ent->model && !strncmp(ent->model->name, "models/proto_", 13))
5008                 {
5009                         vec3_t f, l, u, o;
5010                         Matrix4x4_ToVectors(&ent->matrix, f, l, u, o);
5011                         Con_Printf("R_DrawModels\n");
5012                         Con_Printf("model %s O %f %f %f F %f %f %f L %f %f %f U %f %f %f\n", ent->model->name, o[0], o[1], o[2], f[0], f[1], f[2], l[0], l[1], l[2], u[0], u[1], u[2]);
5013                         Con_Printf("group: %i %f %i %f %i %f %i %f\n", ent->framegroupblend[0].frame, ent->framegroupblend[0].lerp, ent->framegroupblend[1].frame, ent->framegroupblend[1].lerp, ent->framegroupblend[2].frame, ent->framegroupblend[2].lerp, ent->framegroupblend[3].frame, ent->framegroupblend[3].lerp);
5014                         Con_Printf("blend: %i %f %i %f %i %f %i %f %i %f %i %f %i %f %i %f\n", ent->frameblend[0].subframe, ent->frameblend[0].lerp, ent->frameblend[1].subframe, ent->frameblend[1].lerp, ent->frameblend[2].subframe, ent->frameblend[2].lerp, ent->frameblend[3].subframe, ent->frameblend[3].lerp, ent->frameblend[4].subframe, ent->frameblend[4].lerp, ent->frameblend[5].subframe, ent->frameblend[5].lerp, ent->frameblend[6].subframe, ent->frameblend[6].lerp, ent->frameblend[7].subframe, ent->frameblend[7].lerp);
5015                 }
5016                 */
5017                 if (ent->model && ent->model->Draw != NULL)
5018                         ent->model->Draw(ent);
5019                 else
5020                         R_DrawNoModel(ent);
5021         }
5022 }
5023
5024 static void R_DrawModelsDepth(void)
5025 {
5026         int i;
5027         entity_render_t *ent;
5028
5029         for (i = 0;i < r_refdef.scene.numentities;i++)
5030         {
5031                 if (!r_refdef.viewcache.entityvisible[i])
5032                         continue;
5033                 ent = r_refdef.scene.entities[i];
5034                 if (ent->model && ent->model->DrawDepth != NULL)
5035                         ent->model->DrawDepth(ent);
5036         }
5037 }
5038
5039 static void R_DrawModelsDebug(void)
5040 {
5041         int i;
5042         entity_render_t *ent;
5043
5044         for (i = 0;i < r_refdef.scene.numentities;i++)
5045         {
5046                 if (!r_refdef.viewcache.entityvisible[i])
5047                         continue;
5048                 ent = r_refdef.scene.entities[i];
5049                 if (ent->model && ent->model->DrawDebug != NULL)
5050                         ent->model->DrawDebug(ent);
5051         }
5052 }
5053
5054 static void R_DrawModelsAddWaterPlanes(void)
5055 {
5056         int i;
5057         entity_render_t *ent;
5058
5059         for (i = 0;i < r_refdef.scene.numentities;i++)
5060         {
5061                 if (!r_refdef.viewcache.entityvisible[i])
5062                         continue;
5063                 ent = r_refdef.scene.entities[i];
5064                 if (ent->model && ent->model->DrawAddWaterPlanes != NULL)
5065                         ent->model->DrawAddWaterPlanes(ent);
5066         }
5067 }
5068
5069 static float irisvecs[7][3] = {{0, 0, 0}, {-1, 0, 0}, {1, 0, 0}, {0, -1, 0}, {0, 1, 0}, {0, 0, -1}, {0, 0, 1}};
5070
5071 void R_HDR_UpdateIrisAdaptation(const vec3_t point)
5072 {
5073         if (r_hdr_irisadaptation.integer)
5074         {
5075                 vec3_t p;
5076                 vec3_t ambient;
5077                 vec3_t diffuse;
5078                 vec3_t diffusenormal;
5079                 vec3_t forward;
5080                 vec_t brightness = 0.0f;
5081                 vec_t goal;
5082                 vec_t current;
5083                 vec_t d;
5084                 int c;
5085                 VectorCopy(r_refdef.view.forward, forward);
5086                 for (c = 0;c < (int)(sizeof(irisvecs)/sizeof(irisvecs[0]));c++)
5087                 {
5088                         p[0] = point[0] + irisvecs[c][0] * r_hdr_irisadaptation_radius.value;
5089                         p[1] = point[1] + irisvecs[c][1] * r_hdr_irisadaptation_radius.value;
5090                         p[2] = point[2] + irisvecs[c][2] * r_hdr_irisadaptation_radius.value;
5091                         R_CompleteLightPoint(ambient, diffuse, diffusenormal, p, LP_LIGHTMAP | LP_RTWORLD | LP_DYNLIGHT);
5092                         d = DotProduct(forward, diffusenormal);
5093                         brightness += VectorLength(ambient);
5094                         if (d > 0)
5095                                 brightness += d * VectorLength(diffuse);
5096                 }
5097                 brightness *= 1.0f / c;
5098                 brightness += 0.00001f; // make sure it's never zero
5099                 goal = r_hdr_irisadaptation_multiplier.value / brightness;
5100                 goal = bound(r_hdr_irisadaptation_minvalue.value, goal, r_hdr_irisadaptation_maxvalue.value);
5101                 current = r_hdr_irisadaptation_value.value;
5102                 if (current < goal)
5103                         current = min(current + r_hdr_irisadaptation_fade_up.value * cl.realframetime, goal);
5104                 else if (current > goal)
5105                         current = max(current - r_hdr_irisadaptation_fade_down.value * cl.realframetime, goal);
5106                 if (fabs(r_hdr_irisadaptation_value.value - current) > 0.0001f)
5107                         Cvar_SetValueQuick(&r_hdr_irisadaptation_value, current);
5108         }
5109         else if (r_hdr_irisadaptation_value.value != 1.0f)
5110                 Cvar_SetValueQuick(&r_hdr_irisadaptation_value, 1.0f);
5111 }
5112
5113 static void R_View_SetFrustum(const int *scissor)
5114 {
5115         int i;
5116         double fpx = +1, fnx = -1, fpy = +1, fny = -1;
5117         vec3_t forward, left, up, origin, v;
5118
5119         if(scissor)
5120         {
5121                 // flipped x coordinates (because x points left here)
5122                 fpx =  1.0 - 2.0 * (scissor[0]              - r_refdef.view.viewport.x) / (double) (r_refdef.view.viewport.width);
5123                 fnx =  1.0 - 2.0 * (scissor[0] + scissor[2] - r_refdef.view.viewport.x) / (double) (r_refdef.view.viewport.width);
5124
5125                 // D3D Y coordinate is top to bottom, OpenGL is bottom to top, fix the D3D one
5126                 switch(vid.renderpath)
5127                 {
5128                         case RENDERPATH_D3D9:
5129                         case RENDERPATH_D3D10:
5130                         case RENDERPATH_D3D11:
5131                                 // non-flipped y coordinates
5132                                 fny = -1.0 + 2.0 * (vid.height - scissor[1] - scissor[3] - r_refdef.view.viewport.y) / (double) (r_refdef.view.viewport.height);
5133                                 fpy = -1.0 + 2.0 * (vid.height - scissor[1]              - r_refdef.view.viewport.y) / (double) (r_refdef.view.viewport.height);
5134                                 break;
5135                         case RENDERPATH_SOFT:
5136                         case RENDERPATH_GL11:
5137                         case RENDERPATH_GL13:
5138                         case RENDERPATH_GL20:
5139                         case RENDERPATH_GLES1:
5140                         case RENDERPATH_GLES2:
5141                                 // non-flipped y coordinates
5142                                 fny = -1.0 + 2.0 * (scissor[1]              - r_refdef.view.viewport.y) / (double) (r_refdef.view.viewport.height);
5143                                 fpy = -1.0 + 2.0 * (scissor[1] + scissor[3] - r_refdef.view.viewport.y) / (double) (r_refdef.view.viewport.height);
5144                                 break;
5145                 }
5146         }
5147
5148         // we can't trust r_refdef.view.forward and friends in reflected scenes
5149         Matrix4x4_ToVectors(&r_refdef.view.matrix, forward, left, up, origin);
5150
5151 #if 0
5152         r_refdef.view.frustum[0].normal[0] = 0 - 1.0 / r_refdef.view.frustum_x;
5153         r_refdef.view.frustum[0].normal[1] = 0 - 0;
5154         r_refdef.view.frustum[0].normal[2] = -1 - 0;
5155         r_refdef.view.frustum[1].normal[0] = 0 + 1.0 / r_refdef.view.frustum_x;
5156         r_refdef.view.frustum[1].normal[1] = 0 + 0;
5157         r_refdef.view.frustum[1].normal[2] = -1 + 0;
5158         r_refdef.view.frustum[2].normal[0] = 0 - 0;
5159         r_refdef.view.frustum[2].normal[1] = 0 - 1.0 / r_refdef.view.frustum_y;
5160         r_refdef.view.frustum[2].normal[2] = -1 - 0;
5161         r_refdef.view.frustum[3].normal[0] = 0 + 0;
5162         r_refdef.view.frustum[3].normal[1] = 0 + 1.0 / r_refdef.view.frustum_y;
5163         r_refdef.view.frustum[3].normal[2] = -1 + 0;
5164 #endif
5165
5166 #if 0
5167         zNear = r_refdef.nearclip;
5168         nudge = 1.0 - 1.0 / (1<<23);
5169         r_refdef.view.frustum[4].normal[0] = 0 - 0;
5170         r_refdef.view.frustum[4].normal[1] = 0 - 0;
5171         r_refdef.view.frustum[4].normal[2] = -1 - -nudge;
5172         r_refdef.view.frustum[4].dist = 0 - -2 * zNear * nudge;
5173         r_refdef.view.frustum[5].normal[0] = 0 + 0;
5174         r_refdef.view.frustum[5].normal[1] = 0 + 0;
5175         r_refdef.view.frustum[5].normal[2] = -1 + -nudge;
5176         r_refdef.view.frustum[5].dist = 0 + -2 * zNear * nudge;
5177 #endif
5178
5179
5180
5181 #if 0
5182         r_refdef.view.frustum[0].normal[0] = m[3] - m[0];
5183         r_refdef.view.frustum[0].normal[1] = m[7] - m[4];
5184         r_refdef.view.frustum[0].normal[2] = m[11] - m[8];
5185         r_refdef.view.frustum[0].dist = m[15] - m[12];
5186
5187         r_refdef.view.frustum[1].normal[0] = m[3] + m[0];
5188         r_refdef.view.frustum[1].normal[1] = m[7] + m[4];
5189         r_refdef.view.frustum[1].normal[2] = m[11] + m[8];
5190         r_refdef.view.frustum[1].dist = m[15] + m[12];
5191
5192         r_refdef.view.frustum[2].normal[0] = m[3] - m[1];
5193         r_refdef.view.frustum[2].normal[1] = m[7] - m[5];
5194         r_refdef.view.frustum[2].normal[2] = m[11] - m[9];
5195         r_refdef.view.frustum[2].dist = m[15] - m[13];
5196
5197         r_refdef.view.frustum[3].normal[0] = m[3] + m[1];
5198         r_refdef.view.frustum[3].normal[1] = m[7] + m[5];
5199         r_refdef.view.frustum[3].normal[2] = m[11] + m[9];
5200         r_refdef.view.frustum[3].dist = m[15] + m[13];
5201
5202         r_refdef.view.frustum[4].normal[0] = m[3] - m[2];
5203         r_refdef.view.frustum[4].normal[1] = m[7] - m[6];
5204         r_refdef.view.frustum[4].normal[2] = m[11] - m[10];
5205         r_refdef.view.frustum[4].dist = m[15] - m[14];
5206
5207         r_refdef.view.frustum[5].normal[0] = m[3] + m[2];
5208         r_refdef.view.frustum[5].normal[1] = m[7] + m[6];
5209         r_refdef.view.frustum[5].normal[2] = m[11] + m[10];
5210         r_refdef.view.frustum[5].dist = m[15] + m[14];
5211 #endif
5212
5213         if (r_refdef.view.useperspective)
5214         {
5215                 // calculate frustum corners, which are used to calculate deformed frustum planes for shadow caster culling
5216                 VectorMAMAM(1024, forward, fnx * 1024.0 * r_refdef.view.frustum_x, left, fny * 1024.0 * r_refdef.view.frustum_y, up, r_refdef.view.frustumcorner[0]);
5217                 VectorMAMAM(1024, forward, fpx * 1024.0 * r_refdef.view.frustum_x, left, fny * 1024.0 * r_refdef.view.frustum_y, up, r_refdef.view.frustumcorner[1]);
5218                 VectorMAMAM(1024, forward, fnx * 1024.0 * r_refdef.view.frustum_x, left, fpy * 1024.0 * r_refdef.view.frustum_y, up, r_refdef.view.frustumcorner[2]);
5219                 VectorMAMAM(1024, forward, fpx * 1024.0 * r_refdef.view.frustum_x, left, fpy * 1024.0 * r_refdef.view.frustum_y, up, r_refdef.view.frustumcorner[3]);
5220
5221                 // then the normals from the corners relative to origin
5222                 CrossProduct(r_refdef.view.frustumcorner[2], r_refdef.view.frustumcorner[0], r_refdef.view.frustum[0].normal);
5223                 CrossProduct(r_refdef.view.frustumcorner[1], r_refdef.view.frustumcorner[3], r_refdef.view.frustum[1].normal);
5224                 CrossProduct(r_refdef.view.frustumcorner[0], r_refdef.view.frustumcorner[1], r_refdef.view.frustum[2].normal);
5225                 CrossProduct(r_refdef.view.frustumcorner[3], r_refdef.view.frustumcorner[2], r_refdef.view.frustum[3].normal);
5226
5227                 // in a NORMAL view, forward cross left == up
5228                 // in a REFLECTED view, forward cross left == down
5229                 // so our cross products above need to be adjusted for a left handed coordinate system
5230                 CrossProduct(forward, left, v);
5231                 if(DotProduct(v, up) < 0)
5232                 {
5233                         VectorNegate(r_refdef.view.frustum[0].normal, r_refdef.view.frustum[0].normal);
5234                         VectorNegate(r_refdef.view.frustum[1].normal, r_refdef.view.frustum[1].normal);
5235                         VectorNegate(r_refdef.view.frustum[2].normal, r_refdef.view.frustum[2].normal);
5236                         VectorNegate(r_refdef.view.frustum[3].normal, r_refdef.view.frustum[3].normal);
5237                 }
5238
5239                 // Leaving those out was a mistake, those were in the old code, and they
5240                 // fix a reproducable bug in this one: frustum culling got fucked up when viewmatrix was an identity matrix
5241                 // I couldn't reproduce it after adding those normalizations. --blub
5242                 VectorNormalize(r_refdef.view.frustum[0].normal);
5243                 VectorNormalize(r_refdef.view.frustum[1].normal);
5244                 VectorNormalize(r_refdef.view.frustum[2].normal);
5245                 VectorNormalize(r_refdef.view.frustum[3].normal);
5246
5247                 // make the corners absolute
5248                 VectorAdd(r_refdef.view.frustumcorner[0], r_refdef.view.origin, r_refdef.view.frustumcorner[0]);
5249                 VectorAdd(r_refdef.view.frustumcorner[1], r_refdef.view.origin, r_refdef.view.frustumcorner[1]);
5250                 VectorAdd(r_refdef.view.frustumcorner[2], r_refdef.view.origin, r_refdef.view.frustumcorner[2]);
5251                 VectorAdd(r_refdef.view.frustumcorner[3], r_refdef.view.origin, r_refdef.view.frustumcorner[3]);
5252
5253                 // one more normal
5254                 VectorCopy(forward, r_refdef.view.frustum[4].normal);
5255
5256                 r_refdef.view.frustum[0].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[0].normal);
5257                 r_refdef.view.frustum[1].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[1].normal);
5258                 r_refdef.view.frustum[2].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[2].normal);
5259                 r_refdef.view.frustum[3].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[3].normal);
5260                 r_refdef.view.frustum[4].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[4].normal) + r_refdef.nearclip;
5261         }
5262         else
5263         {
5264                 VectorScale(left, -r_refdef.view.ortho_x, r_refdef.view.frustum[0].normal);
5265                 VectorScale(left,  r_refdef.view.ortho_x, r_refdef.view.frustum[1].normal);
5266                 VectorScale(up, -r_refdef.view.ortho_y, r_refdef.view.frustum[2].normal);
5267                 VectorScale(up,  r_refdef.view.ortho_y, r_refdef.view.frustum[3].normal);
5268                 VectorCopy(forward, r_refdef.view.frustum[4].normal);
5269                 r_refdef.view.frustum[0].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[0].normal) + r_refdef.view.ortho_x;
5270                 r_refdef.view.frustum[1].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[1].normal) + r_refdef.view.ortho_x;
5271                 r_refdef.view.frustum[2].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[2].normal) + r_refdef.view.ortho_y;
5272                 r_refdef.view.frustum[3].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[3].normal) + r_refdef.view.ortho_y;
5273                 r_refdef.view.frustum[4].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[4].normal) + r_refdef.nearclip;
5274         }
5275         r_refdef.view.numfrustumplanes = 5;
5276
5277         if (r_refdef.view.useclipplane)
5278         {
5279                 r_refdef.view.numfrustumplanes = 6;
5280                 r_refdef.view.frustum[5] = r_refdef.view.clipplane;
5281         }
5282
5283         for (i = 0;i < r_refdef.view.numfrustumplanes;i++)
5284                 PlaneClassify(r_refdef.view.frustum + i);
5285
5286         // LordHavoc: note to all quake engine coders, Quake had a special case
5287         // for 90 degrees which assumed a square view (wrong), so I removed it,
5288         // Quake2 has it disabled as well.
5289
5290         // rotate R_VIEWFORWARD right by FOV_X/2 degrees
5291         //RotatePointAroundVector( r_refdef.view.frustum[0].normal, up, forward, -(90 - r_refdef.fov_x / 2));
5292         //r_refdef.view.frustum[0].dist = DotProduct (r_refdef.view.origin, frustum[0].normal);
5293         //PlaneClassify(&frustum[0]);
5294
5295         // rotate R_VIEWFORWARD left by FOV_X/2 degrees
5296         //RotatePointAroundVector( r_refdef.view.frustum[1].normal, up, forward, (90 - r_refdef.fov_x / 2));
5297         //r_refdef.view.frustum[1].dist = DotProduct (r_refdef.view.origin, frustum[1].normal);
5298         //PlaneClassify(&frustum[1]);
5299
5300         // rotate R_VIEWFORWARD up by FOV_X/2 degrees
5301         //RotatePointAroundVector( r_refdef.view.frustum[2].normal, left, forward, -(90 - r_refdef.fov_y / 2));
5302         //r_refdef.view.frustum[2].dist = DotProduct (r_refdef.view.origin, frustum[2].normal);
5303         //PlaneClassify(&frustum[2]);
5304
5305         // rotate R_VIEWFORWARD down by FOV_X/2 degrees
5306         //RotatePointAroundVector( r_refdef.view.frustum[3].normal, left, forward, (90 - r_refdef.fov_y / 2));
5307         //r_refdef.view.frustum[3].dist = DotProduct (r_refdef.view.origin, frustum[3].normal);
5308         //PlaneClassify(&frustum[3]);
5309
5310         // nearclip plane
5311         //VectorCopy(forward, r_refdef.view.frustum[4].normal);
5312         //r_refdef.view.frustum[4].dist = DotProduct (r_refdef.view.origin, frustum[4].normal) + r_nearclip.value;
5313         //PlaneClassify(&frustum[4]);
5314 }
5315
5316 void R_View_UpdateWithScissor(const int *myscissor)
5317 {
5318         R_Main_ResizeViewCache();
5319         R_View_SetFrustum(myscissor);
5320         R_View_WorldVisibility(r_refdef.view.useclipplane);
5321         R_View_UpdateEntityVisible();
5322         R_View_UpdateEntityLighting();
5323         R_AnimCache_CacheVisibleEntities();
5324 }
5325
5326 void R_View_Update(void)
5327 {
5328         R_Main_ResizeViewCache();
5329         R_View_SetFrustum(NULL);
5330         R_View_WorldVisibility(r_refdef.view.useclipplane);
5331         R_View_UpdateEntityVisible();
5332         R_View_UpdateEntityLighting();
5333         R_AnimCache_CacheVisibleEntities();
5334 }
5335
5336 float viewscalefpsadjusted = 1.0f;
5337
5338 void R_GetScaledViewSize(int width, int height, int *outwidth, int *outheight)
5339 {
5340         float scale = r_viewscale.value * sqrt(viewscalefpsadjusted);
5341         scale = bound(0.03125f, scale, 1.0f);
5342         *outwidth = (int)ceil(width * scale);
5343         *outheight = (int)ceil(height * scale);
5344 }
5345
5346 void R_SetupView(qboolean allowwaterclippingplane, int fbo, rtexture_t *depthtexture, rtexture_t *colortexture)
5347 {
5348         const float *customclipplane = NULL;
5349         float plane[4];
5350         int /*rtwidth,*/ rtheight, scaledwidth, scaledheight;
5351         if (r_refdef.view.useclipplane && allowwaterclippingplane)
5352         {
5353                 // LordHavoc: couldn't figure out how to make this approach the
5354                 vec_t dist = r_refdef.view.clipplane.dist - r_water_clippingplanebias.value;
5355                 vec_t viewdist = DotProduct(r_refdef.view.origin, r_refdef.view.clipplane.normal);
5356                 if (viewdist < r_refdef.view.clipplane.dist + r_water_clippingplanebias.value)
5357                         dist = r_refdef.view.clipplane.dist;
5358                 plane[0] = r_refdef.view.clipplane.normal[0];
5359                 plane[1] = r_refdef.view.clipplane.normal[1];
5360                 plane[2] = r_refdef.view.clipplane.normal[2];
5361                 plane[3] = -dist;
5362                 if(vid.renderpath != RENDERPATH_SOFT) customclipplane = plane;
5363         }
5364
5365         //rtwidth = fbo ? R_TextureWidth(depthtexture ? depthtexture : colortexture) : vid.width;
5366         rtheight = fbo ? R_TextureHeight(depthtexture ? depthtexture : colortexture) : vid.height;
5367
5368         R_GetScaledViewSize(r_refdef.view.width, r_refdef.view.height, &scaledwidth, &scaledheight);
5369         if (!r_refdef.view.useperspective)
5370                 R_Viewport_InitOrtho(&r_refdef.view.viewport, &r_refdef.view.matrix, r_refdef.view.x, rtheight - scaledheight - r_refdef.view.y, scaledwidth, scaledheight, -r_refdef.view.ortho_x, -r_refdef.view.ortho_y, r_refdef.view.ortho_x, r_refdef.view.ortho_y, -r_refdef.farclip, r_refdef.farclip, customclipplane);
5371         else if (vid.stencil && r_useinfinitefarclip.integer)
5372                 R_Viewport_InitPerspectiveInfinite(&r_refdef.view.viewport, &r_refdef.view.matrix, r_refdef.view.x, rtheight - scaledheight - r_refdef.view.y, scaledwidth, scaledheight, r_refdef.view.frustum_x, r_refdef.view.frustum_y, r_refdef.nearclip, customclipplane);
5373         else
5374                 R_Viewport_InitPerspective(&r_refdef.view.viewport, &r_refdef.view.matrix, r_refdef.view.x, rtheight - scaledheight - r_refdef.view.y, scaledwidth, scaledheight, r_refdef.view.frustum_x, r_refdef.view.frustum_y, r_refdef.nearclip, r_refdef.farclip, customclipplane);
5375         R_Mesh_SetRenderTargets(fbo, depthtexture, colortexture, NULL, NULL, NULL);
5376         R_SetViewport(&r_refdef.view.viewport);
5377         if (r_refdef.view.useclipplane && allowwaterclippingplane && vid.renderpath == RENDERPATH_SOFT)
5378         {
5379                 matrix4x4_t mvpmatrix, invmvpmatrix, invtransmvpmatrix;
5380                 float screenplane[4];
5381                 Matrix4x4_Concat(&mvpmatrix, &r_refdef.view.viewport.projectmatrix, &r_refdef.view.viewport.viewmatrix);
5382                 Matrix4x4_Invert_Full(&invmvpmatrix, &mvpmatrix);
5383                 Matrix4x4_Transpose(&invtransmvpmatrix, &invmvpmatrix);
5384                 Matrix4x4_Transform4(&invtransmvpmatrix, plane, screenplane);
5385                 DPSOFTRAST_ClipPlane(screenplane[0], screenplane[1], screenplane[2], screenplane[3]);
5386         }
5387 }
5388
5389 void R_EntityMatrix(const matrix4x4_t *matrix)
5390 {
5391         if (gl_modelmatrixchanged || memcmp(matrix, &gl_modelmatrix, sizeof(matrix4x4_t)))
5392         {
5393                 gl_modelmatrixchanged = false;
5394                 gl_modelmatrix = *matrix;
5395                 Matrix4x4_Concat(&gl_modelviewmatrix, &gl_viewmatrix, &gl_modelmatrix);
5396                 Matrix4x4_Concat(&gl_modelviewprojectionmatrix, &gl_projectionmatrix, &gl_modelviewmatrix);
5397                 Matrix4x4_ToArrayFloatGL(&gl_modelviewmatrix, gl_modelview16f);
5398                 Matrix4x4_ToArrayFloatGL(&gl_modelviewprojectionmatrix, gl_modelviewprojection16f);
5399                 CHECKGLERROR
5400                 switch(vid.renderpath)
5401                 {
5402                 case RENDERPATH_D3D9:
5403 #ifdef SUPPORTD3D
5404                         hlslVSSetParameter16f(D3DVSREGISTER_ModelViewProjectionMatrix, gl_modelviewprojection16f);
5405                         hlslVSSetParameter16f(D3DVSREGISTER_ModelViewMatrix, gl_modelview16f);
5406 #endif
5407                         break;
5408                 case RENDERPATH_D3D10:
5409                         Con_DPrintf("FIXME D3D10 shader %s:%i\n", __FILE__, __LINE__);
5410                         break;
5411                 case RENDERPATH_D3D11:
5412                         Con_DPrintf("FIXME D3D11 shader %s:%i\n", __FILE__, __LINE__);
5413                         break;
5414                 case RENDERPATH_GL11:
5415                 case RENDERPATH_GL13:
5416                 case RENDERPATH_GLES1:
5417                         qglLoadMatrixf(gl_modelview16f);CHECKGLERROR
5418                         break;
5419                 case RENDERPATH_SOFT:
5420                         DPSOFTRAST_UniformMatrix4fv(DPSOFTRAST_UNIFORM_ModelViewProjectionMatrixM1, 1, false, gl_modelviewprojection16f);
5421                         DPSOFTRAST_UniformMatrix4fv(DPSOFTRAST_UNIFORM_ModelViewMatrixM1, 1, false, gl_modelview16f);
5422                         break;
5423                 case RENDERPATH_GL20:
5424                 case RENDERPATH_GLES2:
5425                         if (r_glsl_permutation && r_glsl_permutation->loc_ModelViewProjectionMatrix >= 0) qglUniformMatrix4fv(r_glsl_permutation->loc_ModelViewProjectionMatrix, 1, false, gl_modelviewprojection16f);
5426                         if (r_glsl_permutation && r_glsl_permutation->loc_ModelViewMatrix >= 0) qglUniformMatrix4fv(r_glsl_permutation->loc_ModelViewMatrix, 1, false, gl_modelview16f);
5427                         break;
5428                 }
5429         }
5430 }
5431
5432 void R_ResetViewRendering2D(int fbo, rtexture_t *depthtexture, rtexture_t *colortexture)
5433 {
5434         r_viewport_t viewport;
5435         DrawQ_Finish();
5436
5437         // GL is weird because it's bottom to top, r_refdef.view.y is top to bottom
5438         R_Viewport_InitOrtho(&viewport, &identitymatrix, r_refdef.view.x, vid.height - r_refdef.view.height - r_refdef.view.y, r_refdef.view.width, r_refdef.view.height, 0, 0, 1, 1, -10, 100, NULL);
5439         R_Mesh_SetRenderTargets(fbo, depthtexture, colortexture, NULL, NULL, NULL);
5440         R_SetViewport(&viewport);
5441         GL_Scissor(viewport.x, viewport.y, viewport.width, viewport.height);
5442         GL_Color(1, 1, 1, 1);
5443         GL_ColorMask(r_refdef.view.colormask[0], r_refdef.view.colormask[1], r_refdef.view.colormask[2], 1);
5444         GL_BlendFunc(GL_ONE, GL_ZERO);
5445         GL_ScissorTest(false);
5446         GL_DepthMask(false);
5447         GL_DepthRange(0, 1);
5448         GL_DepthTest(false);
5449         GL_DepthFunc(GL_LEQUAL);
5450         R_EntityMatrix(&identitymatrix);
5451         R_Mesh_ResetTextureState();
5452         GL_PolygonOffset(0, 0);
5453         R_SetStencil(false, 255, GL_KEEP, GL_KEEP, GL_KEEP, GL_ALWAYS, 128, 255);
5454         switch(vid.renderpath)
5455         {
5456         case RENDERPATH_GL11:
5457         case RENDERPATH_GL13:
5458         case RENDERPATH_GL20:
5459         case RENDERPATH_GLES1:
5460         case RENDERPATH_GLES2:
5461                 qglEnable(GL_POLYGON_OFFSET_FILL);CHECKGLERROR
5462                 break;
5463         case RENDERPATH_D3D9:
5464         case RENDERPATH_D3D10:
5465         case RENDERPATH_D3D11:
5466         case RENDERPATH_SOFT:
5467                 break;
5468         }
5469         GL_CullFace(GL_NONE);
5470 }
5471
5472 void R_ResetViewRendering3D(int fbo, rtexture_t *depthtexture, rtexture_t *colortexture)
5473 {
5474         DrawQ_Finish();
5475
5476         R_SetupView(true, fbo, depthtexture, colortexture);
5477         GL_Scissor(r_refdef.view.viewport.x, r_refdef.view.viewport.y, r_refdef.view.viewport.width, r_refdef.view.viewport.height);
5478         GL_Color(1, 1, 1, 1);
5479         GL_ColorMask(r_refdef.view.colormask[0], r_refdef.view.colormask[1], r_refdef.view.colormask[2], 1);
5480         GL_BlendFunc(GL_ONE, GL_ZERO);
5481         GL_ScissorTest(true);
5482         GL_DepthMask(true);
5483         GL_DepthRange(0, 1);
5484         GL_DepthTest(true);
5485         GL_DepthFunc(GL_LEQUAL);
5486         R_EntityMatrix(&identitymatrix);
5487         R_Mesh_ResetTextureState();
5488         GL_PolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);
5489         R_SetStencil(false, 255, GL_KEEP, GL_KEEP, GL_KEEP, GL_ALWAYS, 128, 255);
5490         switch(vid.renderpath)
5491         {
5492         case RENDERPATH_GL11:
5493         case RENDERPATH_GL13:
5494         case RENDERPATH_GL20:
5495         case RENDERPATH_GLES1:
5496         case RENDERPATH_GLES2:
5497                 qglEnable(GL_POLYGON_OFFSET_FILL);CHECKGLERROR
5498                 break;
5499         case RENDERPATH_D3D9:
5500         case RENDERPATH_D3D10:
5501         case RENDERPATH_D3D11:
5502         case RENDERPATH_SOFT:
5503                 break;
5504         }
5505         GL_CullFace(r_refdef.view.cullface_back);
5506 }
5507
5508 /*
5509 ================
5510 R_RenderView_UpdateViewVectors
5511 ================
5512 */
5513 static void R_RenderView_UpdateViewVectors(void)
5514 {
5515         // break apart the view matrix into vectors for various purposes
5516         // it is important that this occurs outside the RenderScene function because that can be called from reflection renders, where the vectors come out wrong
5517         // however the r_refdef.view.origin IS updated in RenderScene intentionally - otherwise the sky renders at the wrong origin, etc
5518         Matrix4x4_ToVectors(&r_refdef.view.matrix, r_refdef.view.forward, r_refdef.view.left, r_refdef.view.up, r_refdef.view.origin);
5519         VectorNegate(r_refdef.view.left, r_refdef.view.right);
5520         // make an inverted copy of the view matrix for tracking sprites
5521         Matrix4x4_Invert_Simple(&r_refdef.view.inverse_matrix, &r_refdef.view.matrix);
5522 }
5523
5524 void R_RenderScene(int fbo, rtexture_t *depthtexture, rtexture_t *colortexture);
5525 void R_RenderWaterPlanes(int fbo, rtexture_t *depthtexture, rtexture_t *colortexture);
5526
5527 static void R_Water_StartFrame(void)
5528 {
5529         int i;
5530         int waterwidth, waterheight, texturewidth, textureheight, camerawidth, cameraheight;
5531         r_waterstate_waterplane_t *p;
5532         qboolean usewaterfbo = (r_viewfbo.integer >= 1 || r_water_fbo.integer >= 1) && vid.support.ext_framebuffer_object && vid.samples < 2;
5533
5534         if (vid.width > (int)vid.maxtexturesize_2d || vid.height > (int)vid.maxtexturesize_2d)
5535                 return;
5536
5537         switch(vid.renderpath)
5538         {
5539         case RENDERPATH_GL20:
5540         case RENDERPATH_D3D9:
5541         case RENDERPATH_D3D10:
5542         case RENDERPATH_D3D11:
5543         case RENDERPATH_SOFT:
5544         case RENDERPATH_GLES2:
5545                 break;
5546         case RENDERPATH_GL11:
5547         case RENDERPATH_GL13:
5548         case RENDERPATH_GLES1:
5549                 return;
5550         }
5551
5552         // set waterwidth and waterheight to the water resolution that will be
5553         // used (often less than the screen resolution for faster rendering)
5554         R_GetScaledViewSize(bound(1, vid.width * r_water_resolutionmultiplier.value, vid.width), bound(1, vid.height * r_water_resolutionmultiplier.value, vid.height), &waterwidth, &waterheight);
5555
5556         // calculate desired texture sizes
5557         // can't use water if the card does not support the texture size
5558         if (!r_water.integer || r_showsurfaces.integer)
5559                 texturewidth = textureheight = waterwidth = waterheight = camerawidth = cameraheight = 0;
5560         else if (vid.support.arb_texture_non_power_of_two)
5561         {
5562                 texturewidth = waterwidth;
5563                 textureheight = waterheight;
5564                 camerawidth = waterwidth;
5565                 cameraheight = waterheight;
5566         }
5567         else
5568         {
5569                 for (texturewidth   = 1;texturewidth   < waterwidth ;texturewidth   *= 2);
5570                 for (textureheight  = 1;textureheight  < waterheight;textureheight  *= 2);
5571                 for (camerawidth    = 1;camerawidth   <= waterwidth; camerawidth    *= 2); camerawidth  /= 2;
5572                 for (cameraheight   = 1;cameraheight  <= waterheight;cameraheight   *= 2); cameraheight /= 2;
5573         }
5574
5575         // allocate textures as needed
5576         if (r_fb.water.texturewidth != texturewidth || r_fb.water.textureheight != textureheight || r_fb.water.camerawidth != camerawidth || r_fb.water.cameraheight != cameraheight || (r_fb.depthtexture && !usewaterfbo))
5577         {
5578                 r_fb.water.maxwaterplanes = MAX_WATERPLANES;
5579                 for (i = 0, p = r_fb.water.waterplanes;i < r_fb.water.maxwaterplanes;i++, p++)
5580                 {
5581                         if (p->texture_refraction)
5582                                 R_FreeTexture(p->texture_refraction);
5583                         p->texture_refraction = NULL;
5584                         if (p->fbo_refraction)
5585                                 R_Mesh_DestroyFramebufferObject(p->fbo_refraction);
5586                         p->fbo_refraction = 0;
5587                         if (p->texture_reflection)
5588                                 R_FreeTexture(p->texture_reflection);
5589                         p->texture_reflection = NULL;
5590                         if (p->fbo_reflection)
5591                                 R_Mesh_DestroyFramebufferObject(p->fbo_reflection);
5592                         p->fbo_reflection = 0;
5593                         if (p->texture_camera)
5594                                 R_FreeTexture(p->texture_camera);
5595                         p->texture_camera = NULL;
5596                         if (p->fbo_camera)
5597                                 R_Mesh_DestroyFramebufferObject(p->fbo_camera);
5598                         p->fbo_camera = 0;
5599                 }
5600                 memset(&r_fb.water, 0, sizeof(r_fb.water));
5601                 r_fb.water.texturewidth = texturewidth;
5602                 r_fb.water.textureheight = textureheight;
5603                 r_fb.water.camerawidth = camerawidth;
5604                 r_fb.water.cameraheight = cameraheight;
5605         }
5606
5607         if (r_fb.water.texturewidth)
5608         {
5609                 int scaledwidth, scaledheight;
5610
5611                 r_fb.water.enabled = true;
5612
5613                 // water resolution is usually reduced
5614                 r_fb.water.waterwidth = (int)bound(1, r_refdef.view.width * r_water_resolutionmultiplier.value, r_refdef.view.width);
5615                 r_fb.water.waterheight = (int)bound(1, r_refdef.view.height * r_water_resolutionmultiplier.value, r_refdef.view.height);
5616                 R_GetScaledViewSize(r_fb.water.waterwidth, r_fb.water.waterheight, &scaledwidth, &scaledheight);
5617
5618                 // set up variables that will be used in shader setup
5619                 r_fb.water.screenscale[0] = 0.5f * (float)scaledwidth / (float)r_fb.water.texturewidth;
5620                 r_fb.water.screenscale[1] = 0.5f * (float)scaledheight / (float)r_fb.water.textureheight;
5621                 r_fb.water.screencenter[0] = 0.5f * (float)scaledwidth / (float)r_fb.water.texturewidth;
5622                 r_fb.water.screencenter[1] = 0.5f * (float)scaledheight / (float)r_fb.water.textureheight;
5623         }
5624
5625         r_fb.water.maxwaterplanes = MAX_WATERPLANES;
5626         r_fb.water.numwaterplanes = 0;
5627 }
5628
5629 void R_Water_AddWaterPlane(msurface_t *surface, int entno)
5630 {
5631         int planeindex, bestplaneindex, vertexindex;
5632         vec3_t mins, maxs, normal, center, v, n;
5633         vec_t planescore, bestplanescore;
5634         mplane_t plane;
5635         r_waterstate_waterplane_t *p;
5636         texture_t *t = R_GetCurrentTexture(surface->texture);
5637
5638         rsurface.texture = t;
5639         RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_NORMAL | BATCHNEED_NOGAPS, 1, ((const msurface_t **)&surface));
5640         // if the model has no normals, it's probably off-screen and they were not generated, so don't add it anyway
5641         if (!rsurface.batchnormal3f || rsurface.batchnumvertices < 1)
5642                 return;
5643         // average the vertex normals, find the surface bounds (after deformvertexes)
5644         Matrix4x4_Transform(&rsurface.matrix, rsurface.batchvertex3f, v);
5645         Matrix4x4_Transform3x3(&rsurface.matrix, rsurface.batchnormal3f, n);
5646         VectorCopy(n, normal);
5647         VectorCopy(v, mins);
5648         VectorCopy(v, maxs);
5649         for (vertexindex = 1;vertexindex < rsurface.batchnumvertices;vertexindex++)
5650         {
5651                 Matrix4x4_Transform(&rsurface.matrix, rsurface.batchvertex3f + vertexindex*3, v);
5652                 Matrix4x4_Transform3x3(&rsurface.matrix, rsurface.batchnormal3f + vertexindex*3, n);
5653                 VectorAdd(normal, n, normal);
5654                 mins[0] = min(mins[0], v[0]);
5655                 mins[1] = min(mins[1], v[1]);
5656                 mins[2] = min(mins[2], v[2]);
5657                 maxs[0] = max(maxs[0], v[0]);
5658                 maxs[1] = max(maxs[1], v[1]);
5659                 maxs[2] = max(maxs[2], v[2]);
5660         }
5661         VectorNormalize(normal);
5662         VectorMAM(0.5f, mins, 0.5f, maxs, center);
5663
5664         VectorCopy(normal, plane.normal);
5665         VectorNormalize(plane.normal);
5666         plane.dist = DotProduct(center, plane.normal);
5667         PlaneClassify(&plane);
5668         if (PlaneDiff(r_refdef.view.origin, &plane) < 0)
5669         {
5670                 // skip backfaces (except if nocullface is set)
5671 //              if (!(t->currentmaterialflags & MATERIALFLAG_NOCULLFACE))
5672 //                      return;
5673                 VectorNegate(plane.normal, plane.normal);
5674                 plane.dist *= -1;
5675                 PlaneClassify(&plane);
5676         }
5677
5678
5679         // find a matching plane if there is one
5680         bestplaneindex = -1;
5681         bestplanescore = 1048576.0f;
5682         for (planeindex = 0, p = r_fb.water.waterplanes;planeindex < r_fb.water.numwaterplanes;planeindex++, p++)
5683         {
5684                 if(p->camera_entity == t->camera_entity)
5685                 {
5686                         planescore = 1.0f - DotProduct(plane.normal, p->plane.normal) + fabs(plane.dist - p->plane.dist) * 0.001f;
5687                         if (bestplaneindex < 0 || bestplanescore > planescore)
5688                         {
5689                                 bestplaneindex = planeindex;
5690                                 bestplanescore = planescore;
5691                         }
5692                 }
5693         }
5694         planeindex = bestplaneindex;
5695         p = r_fb.water.waterplanes + planeindex;
5696
5697         // if this surface does not fit any known plane rendered this frame, add one
5698         if ((planeindex < 0 || bestplanescore > 0.001f) && r_fb.water.numwaterplanes < r_fb.water.maxwaterplanes)
5699         {
5700                 // store the new plane
5701                 planeindex = r_fb.water.numwaterplanes++;
5702                 p = r_fb.water.waterplanes + planeindex;
5703                 p->plane = plane;
5704                 // clear materialflags and pvs
5705                 p->materialflags = 0;
5706                 p->pvsvalid = false;
5707                 p->camera_entity = t->camera_entity;
5708                 VectorCopy(mins, p->mins);
5709                 VectorCopy(maxs, p->maxs);
5710         }
5711         else
5712         {
5713                 // merge mins/maxs when we're adding this surface to the plane
5714                 p->mins[0] = min(p->mins[0], mins[0]);
5715                 p->mins[1] = min(p->mins[1], mins[1]);
5716                 p->mins[2] = min(p->mins[2], mins[2]);
5717                 p->maxs[0] = max(p->maxs[0], maxs[0]);
5718                 p->maxs[1] = max(p->maxs[1], maxs[1]);
5719                 p->maxs[2] = max(p->maxs[2], maxs[2]);
5720         }
5721         // merge this surface's materialflags into the waterplane
5722         p->materialflags |= t->currentmaterialflags;
5723         if(!(p->materialflags & MATERIALFLAG_CAMERA))
5724         {
5725                 // merge this surface's PVS into the waterplane
5726                 if (p->materialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION | MATERIALFLAG_REFLECTION | MATERIALFLAG_CAMERA) && r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->brush.FatPVS
5727                  && r_refdef.scene.worldmodel->brush.PointInLeaf && r_refdef.scene.worldmodel->brush.PointInLeaf(r_refdef.scene.worldmodel, center)->clusterindex >= 0)
5728                 {
5729                         r_refdef.scene.worldmodel->brush.FatPVS(r_refdef.scene.worldmodel, center, 2, p->pvsbits, sizeof(p->pvsbits), p->pvsvalid);
5730                         p->pvsvalid = true;
5731                 }
5732         }
5733 }
5734
5735 extern cvar_t r_drawparticles;
5736 extern cvar_t r_drawdecals;
5737
5738 static void R_Water_ProcessPlanes(int fbo, rtexture_t *depthtexture, rtexture_t *colortexture)
5739 {
5740         int myscissor[4];
5741         r_refdef_view_t originalview;
5742         r_refdef_view_t myview;
5743         int planeindex, qualityreduction = 0, old_r_dynamic = 0, old_r_shadows = 0, old_r_worldrtlight = 0, old_r_dlight = 0, old_r_particles = 0, old_r_decals = 0;
5744         r_waterstate_waterplane_t *p;
5745         vec3_t visorigin;
5746         qboolean usewaterfbo = (r_viewfbo.integer >= 1 || r_water_fbo.integer >= 1) && vid.support.ext_framebuffer_object && vid.samples < 2;
5747
5748         originalview = r_refdef.view;
5749
5750         // lowquality hack, temporarily shut down some cvars and restore afterwards
5751         qualityreduction = r_water_lowquality.integer;
5752         if (qualityreduction > 0)
5753         {
5754                 if (qualityreduction >= 1)
5755                 {
5756                         old_r_shadows = r_shadows.integer;
5757                         old_r_worldrtlight = r_shadow_realtime_world.integer;
5758                         old_r_dlight = r_shadow_realtime_dlight.integer;
5759                         Cvar_SetValueQuick(&r_shadows, 0);
5760                         Cvar_SetValueQuick(&r_shadow_realtime_world, 0);
5761                         Cvar_SetValueQuick(&r_shadow_realtime_dlight, 0);
5762                 }
5763                 if (qualityreduction >= 2)
5764                 {
5765                         old_r_dynamic = r_dynamic.integer;
5766                         old_r_particles = r_drawparticles.integer;
5767                         old_r_decals = r_drawdecals.integer;
5768                         Cvar_SetValueQuick(&r_dynamic, 0);
5769                         Cvar_SetValueQuick(&r_drawparticles, 0);
5770                         Cvar_SetValueQuick(&r_drawdecals, 0);
5771                 }
5772         }
5773
5774         // make sure enough textures are allocated
5775         for (planeindex = 0, p = r_fb.water.waterplanes;planeindex < r_fb.water.numwaterplanes;planeindex++, p++)
5776         {
5777                 if (p->materialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION))
5778                 {
5779                         if (!p->texture_refraction)
5780                                 p->texture_refraction = R_LoadTexture2D(r_main_texturepool, va("waterplane%i_refraction", planeindex), r_fb.water.texturewidth, r_fb.water.textureheight, NULL, r_fb.textype, TEXF_RENDERTARGET | TEXF_FORCELINEAR | TEXF_CLAMP, -1, NULL);
5781                         if (!p->texture_refraction)
5782                                 goto error;
5783                         if (usewaterfbo)
5784                         {
5785                                 if (r_fb.water.depthtexture == NULL)
5786                                         r_fb.water.depthtexture = R_LoadTextureShadowMap2D(r_main_texturepool, "waterviewdepth", r_fb.water.texturewidth, r_fb.water.textureheight, 24, false);
5787                                 if (p->fbo_refraction == 0)
5788                                         p->fbo_refraction = R_Mesh_CreateFramebufferObject(r_fb.water.depthtexture, p->texture_refraction, NULL, NULL, NULL);
5789                         }
5790                 }
5791                 else if (p->materialflags & MATERIALFLAG_CAMERA)
5792                 {
5793                         if (!p->texture_camera)
5794                                 p->texture_camera = R_LoadTexture2D(r_main_texturepool, va("waterplane%i_camera", planeindex), r_fb.water.camerawidth, r_fb.water.cameraheight, NULL, r_fb.textype, TEXF_RENDERTARGET | TEXF_FORCELINEAR, -1, NULL);
5795                         if (!p->texture_camera)
5796                                 goto error;
5797                         if (usewaterfbo)
5798                         {
5799                                 if (r_fb.water.depthtexture == NULL)
5800                                         r_fb.water.depthtexture = R_LoadTextureShadowMap2D(r_main_texturepool, "waterviewdepth", r_fb.water.texturewidth, r_fb.water.textureheight, 24, false);
5801                                 if (p->fbo_camera == 0)
5802                                         p->fbo_camera = R_Mesh_CreateFramebufferObject(r_fb.water.depthtexture, p->texture_camera, NULL, NULL, NULL);
5803                         }
5804                 }
5805
5806                 if (p->materialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFLECTION))
5807                 {
5808                         if (!p->texture_reflection)
5809                                 p->texture_reflection = R_LoadTexture2D(r_main_texturepool, va("waterplane%i_reflection", planeindex), r_fb.water.texturewidth, r_fb.water.textureheight, NULL, r_fb.textype, TEXF_RENDERTARGET | TEXF_FORCELINEAR | TEXF_CLAMP, -1, NULL);
5810                         if (!p->texture_reflection)
5811                                 goto error;
5812                         if (usewaterfbo)
5813                         {
5814                                 if (r_fb.water.depthtexture == NULL)
5815                                         r_fb.water.depthtexture = R_LoadTextureShadowMap2D(r_main_texturepool, "waterviewdepth", r_fb.water.texturewidth, r_fb.water.textureheight, 24, false);
5816                                 if (p->fbo_reflection == 0)
5817                                         p->fbo_reflection = R_Mesh_CreateFramebufferObject(r_fb.water.depthtexture, p->texture_reflection, NULL, NULL, NULL);
5818                         }
5819                 }
5820         }
5821
5822         // render views
5823         r_refdef.view = originalview;
5824         r_refdef.view.showdebug = false;
5825         r_refdef.view.width = r_fb.water.waterwidth;
5826         r_refdef.view.height = r_fb.water.waterheight;
5827         r_refdef.view.useclipplane = true;
5828         myview = r_refdef.view;
5829         r_fb.water.renderingscene = true;
5830         for (planeindex = 0, p = r_fb.water.waterplanes;planeindex < r_fb.water.numwaterplanes;planeindex++, p++)
5831         {
5832                 if (p->materialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFLECTION))
5833                 {
5834                         r_refdef.view = myview;
5835                         if(r_water_scissormode.integer)
5836                         {
5837                                 R_SetupView(true, p->fbo_reflection, r_fb.water.depthtexture, p->texture_reflection);
5838                                 if(R_ScissorForBBox(p->mins, p->maxs, myscissor))
5839                                         continue; // FIXME the plane then still may get rendered but with broken texture, but it sure won't be visible
5840                         }
5841
5842                         // render reflected scene and copy into texture
5843                         Matrix4x4_Reflect(&r_refdef.view.matrix, p->plane.normal[0], p->plane.normal[1], p->plane.normal[2], p->plane.dist, -2);
5844                         // update the r_refdef.view.origin because otherwise the sky renders at the wrong location (amongst other problems)
5845                         Matrix4x4_OriginFromMatrix(&r_refdef.view.matrix, r_refdef.view.origin);
5846                         r_refdef.view.clipplane = p->plane;
5847                         // reverse the cullface settings for this render
5848                         r_refdef.view.cullface_front = GL_FRONT;
5849                         r_refdef.view.cullface_back = GL_BACK;
5850                         if (r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->brush.num_pvsclusterbytes)
5851                         {
5852                                 r_refdef.view.usecustompvs = true;
5853                                 if (p->pvsvalid)
5854                                         memcpy(r_refdef.viewcache.world_pvsbits, p->pvsbits, r_refdef.scene.worldmodel->brush.num_pvsclusterbytes);
5855                                 else
5856                                         memset(r_refdef.viewcache.world_pvsbits, 0xFF, r_refdef.scene.worldmodel->brush.num_pvsclusterbytes);
5857                         }
5858
5859                         r_fb.water.hideplayer = r_water_hideplayer.integer >= 2;
5860                         R_ResetViewRendering3D(p->fbo_reflection, r_fb.water.depthtexture, p->texture_reflection);
5861                         R_ClearScreen(r_refdef.fogenabled);
5862                         if(r_water_scissormode.integer & 2)
5863                                 R_View_UpdateWithScissor(myscissor);
5864                         else
5865                                 R_View_Update();
5866                         if(r_water_scissormode.integer & 1)
5867                                 GL_Scissor(myscissor[0], myscissor[1], myscissor[2], myscissor[3]);
5868                         R_RenderScene(p->fbo_reflection, r_fb.water.depthtexture, p->texture_reflection);
5869
5870                         if (!p->fbo_reflection)
5871                                 R_Mesh_CopyToTexture(p->texture_reflection, 0, 0, r_refdef.view.viewport.x, r_refdef.view.viewport.y, r_refdef.view.viewport.width, r_refdef.view.viewport.height);
5872                         r_fb.water.hideplayer = false;
5873                 }
5874
5875                 // render the normal view scene and copy into texture
5876                 // (except that a clipping plane should be used to hide everything on one side of the water, and the viewer's weapon model should be omitted)
5877                 if (p->materialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION))
5878                 {
5879                         r_refdef.view = myview;
5880                         if(r_water_scissormode.integer)
5881                         {
5882                                 R_SetupView(true, p->fbo_refraction, r_fb.water.depthtexture, p->texture_refraction);
5883                                 if(R_ScissorForBBox(p->mins, p->maxs, myscissor))
5884                                         continue; // FIXME the plane then still may get rendered but with broken texture, but it sure won't be visible
5885                         }
5886
5887                         r_fb.water.hideplayer = r_water_hideplayer.integer >= 1;
5888
5889                         r_refdef.view.clipplane = p->plane;
5890                         VectorNegate(r_refdef.view.clipplane.normal, r_refdef.view.clipplane.normal);
5891                         r_refdef.view.clipplane.dist = -r_refdef.view.clipplane.dist;
5892
5893                         if((p->materialflags & MATERIALFLAG_CAMERA) && p->camera_entity)
5894                         {
5895                                 // we need to perform a matrix transform to render the view... so let's get the transformation matrix
5896                                 r_fb.water.hideplayer = false; // we don't want to hide the player model from these ones
5897                                 CL_VM_TransformView(p->camera_entity - MAX_EDICTS, &r_refdef.view.matrix, &r_refdef.view.clipplane, visorigin);
5898                                 R_RenderView_UpdateViewVectors();
5899                                 if(r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->brush.FatPVS)
5900                                 {
5901                                         r_refdef.view.usecustompvs = true;
5902                                         r_refdef.scene.worldmodel->brush.FatPVS(r_refdef.scene.worldmodel, visorigin, 2, r_refdef.viewcache.world_pvsbits, (r_refdef.viewcache.world_numclusters+7)>>3, false);
5903                                 }
5904                         }
5905
5906                         PlaneClassify(&r_refdef.view.clipplane);
5907
5908                         R_ResetViewRendering3D(p->fbo_refraction, r_fb.water.depthtexture, p->texture_refraction);
5909                         R_ClearScreen(r_refdef.fogenabled);
5910                         if(r_water_scissormode.integer & 2)
5911                                 R_View_UpdateWithScissor(myscissor);
5912                         else
5913                                 R_View_Update();
5914                         if(r_water_scissormode.integer & 1)
5915                                 GL_Scissor(myscissor[0], myscissor[1], myscissor[2], myscissor[3]);
5916                         R_RenderScene(p->fbo_refraction, r_fb.water.depthtexture, p->texture_refraction);
5917
5918                         if (!p->fbo_refraction)
5919                                 R_Mesh_CopyToTexture(p->texture_refraction, 0, 0, r_refdef.view.viewport.x, r_refdef.view.viewport.y, r_refdef.view.viewport.width, r_refdef.view.viewport.height);
5920                         r_fb.water.hideplayer = false;
5921                 }
5922                 else if (p->materialflags & MATERIALFLAG_CAMERA)
5923                 {
5924                         r_refdef.view = myview;
5925
5926                         r_refdef.view.clipplane = p->plane;
5927                         VectorNegate(r_refdef.view.clipplane.normal, r_refdef.view.clipplane.normal);
5928                         r_refdef.view.clipplane.dist = -r_refdef.view.clipplane.dist;
5929
5930                         r_refdef.view.width = r_fb.water.camerawidth;
5931                         r_refdef.view.height = r_fb.water.cameraheight;
5932                         r_refdef.view.frustum_x = 1; // tan(45 * M_PI / 180.0);
5933                         r_refdef.view.frustum_y = 1; // tan(45 * M_PI / 180.0);
5934                         r_refdef.view.ortho_x = 90; // abused as angle by VM_CL_R_SetView
5935                         r_refdef.view.ortho_y = 90; // abused as angle by VM_CL_R_SetView
5936
5937                         if(p->camera_entity)
5938                         {
5939                                 // we need to perform a matrix transform to render the view... so let's get the transformation matrix
5940                                 CL_VM_TransformView(p->camera_entity - MAX_EDICTS, &r_refdef.view.matrix, &r_refdef.view.clipplane, visorigin);
5941                         }
5942
5943                         // note: all of the view is used for displaying... so
5944                         // there is no use in scissoring
5945
5946                         // reverse the cullface settings for this render
5947                         r_refdef.view.cullface_front = GL_FRONT;
5948                         r_refdef.view.cullface_back = GL_BACK;
5949                         // also reverse the view matrix
5950                         Matrix4x4_ConcatScale3(&r_refdef.view.matrix, 1, 1, -1); // this serves to invert texcoords in the result, as the copied texture is mapped the wrong way round
5951                         R_RenderView_UpdateViewVectors();
5952                         if(p->camera_entity && r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->brush.FatPVS)
5953                         {
5954                                 r_refdef.view.usecustompvs = true;
5955                                 r_refdef.scene.worldmodel->brush.FatPVS(r_refdef.scene.worldmodel, visorigin, 2, r_refdef.viewcache.world_pvsbits, (r_refdef.viewcache.world_numclusters+7)>>3, false);
5956                         }
5957
5958                         // camera needs no clipplane
5959                         r_refdef.view.useclipplane = false;
5960
5961                         PlaneClassify(&r_refdef.view.clipplane);
5962
5963                         r_fb.water.hideplayer = false;
5964
5965                         R_ResetViewRendering3D(p->fbo_camera, r_fb.water.depthtexture, p->texture_camera);
5966                         R_ClearScreen(r_refdef.fogenabled);
5967                         R_View_Update();
5968                         R_RenderScene(p->fbo_camera, r_fb.water.depthtexture, p->texture_camera);
5969
5970                         if (!p->fbo_camera)
5971                                 R_Mesh_CopyToTexture(p->texture_camera, 0, 0, r_refdef.view.viewport.x, r_refdef.view.viewport.y, r_refdef.view.viewport.width, r_refdef.view.viewport.height);
5972                         r_fb.water.hideplayer = false;
5973                 }
5974
5975         }
5976         if(vid.renderpath==RENDERPATH_SOFT) DPSOFTRAST_ClipPlane(0, 0, 0, 1);
5977         r_fb.water.renderingscene = false;
5978         r_refdef.view = originalview;
5979         R_ResetViewRendering3D(fbo, depthtexture, colortexture);
5980         if (!r_fb.water.depthtexture)
5981                 R_ClearScreen(r_refdef.fogenabled);
5982         R_View_Update();
5983         goto finish;
5984 error:
5985         r_refdef.view = originalview;
5986         r_fb.water.renderingscene = false;
5987         Cvar_SetValueQuick(&r_water, 0);
5988         Con_Printf("R_Water_ProcessPlanes: Error: texture creation failed!  Turned off r_water.\n");
5989 finish:
5990         // lowquality hack, restore cvars
5991         if (qualityreduction > 0)
5992         {
5993                 if (qualityreduction >= 1)
5994                 {
5995                         Cvar_SetValueQuick(&r_shadows, old_r_shadows);
5996                         Cvar_SetValueQuick(&r_shadow_realtime_world, old_r_worldrtlight);
5997                         Cvar_SetValueQuick(&r_shadow_realtime_dlight, old_r_dlight);
5998                 }
5999                 if (qualityreduction >= 2)
6000                 {
6001                         Cvar_SetValueQuick(&r_dynamic, old_r_dynamic);
6002                         Cvar_SetValueQuick(&r_drawparticles, old_r_particles);
6003                         Cvar_SetValueQuick(&r_drawdecals, old_r_decals);
6004                 }
6005         }
6006 }
6007
6008 void R_Bloom_StartFrame(void)
6009 {
6010         int i;
6011         int bloomtexturewidth, bloomtextureheight, screentexturewidth, screentextureheight;
6012         int viewwidth, viewheight;
6013         qboolean useviewfbo = r_viewfbo.integer >= 1 && vid.support.ext_framebuffer_object && vid.samples < 2;
6014         textype_t textype = TEXTYPE_COLORBUFFER;
6015
6016         switch (vid.renderpath)
6017         {
6018         case RENDERPATH_GL20:
6019         case RENDERPATH_GLES2:
6020                 if (vid.support.ext_framebuffer_object)
6021                 {
6022                         if (r_viewfbo.integer == 2) textype = TEXTYPE_COLORBUFFER16F;
6023                         if (r_viewfbo.integer == 3) textype = TEXTYPE_COLORBUFFER32F;
6024                 }
6025                 break;
6026         case RENDERPATH_GL11:
6027         case RENDERPATH_GL13:
6028         case RENDERPATH_GLES1:
6029         case RENDERPATH_D3D9:
6030         case RENDERPATH_D3D10:
6031         case RENDERPATH_D3D11:
6032         case RENDERPATH_SOFT:
6033                 break;
6034         }
6035
6036         if (r_viewscale_fpsscaling.integer)
6037         {
6038                 double actualframetime;
6039                 double targetframetime;
6040                 double adjust;
6041                 actualframetime = r_refdef.lastdrawscreentime;
6042                 targetframetime = (1.0 / r_viewscale_fpsscaling_target.value);
6043                 adjust = (targetframetime - actualframetime) * r_viewscale_fpsscaling_multiply.value;
6044                 adjust = bound(-r_viewscale_fpsscaling_stepmax.value, adjust, r_viewscale_fpsscaling_stepmax.value);
6045                 if (r_viewscale_fpsscaling_stepsize.value > 0)
6046                         adjust = (int)(adjust / r_viewscale_fpsscaling_stepsize.value) * r_viewscale_fpsscaling_stepsize.value;
6047                 viewscalefpsadjusted += adjust;
6048                 viewscalefpsadjusted = bound(r_viewscale_fpsscaling_min.value, viewscalefpsadjusted, 1.0f);
6049         }
6050         else
6051                 viewscalefpsadjusted = 1.0f;
6052
6053         R_GetScaledViewSize(r_refdef.view.width, r_refdef.view.height, &viewwidth, &viewheight);
6054
6055         switch(vid.renderpath)
6056         {
6057         case RENDERPATH_GL20:
6058         case RENDERPATH_D3D9:
6059         case RENDERPATH_D3D10:
6060         case RENDERPATH_D3D11:
6061         case RENDERPATH_SOFT:
6062         case RENDERPATH_GLES2:
6063                 break;
6064         case RENDERPATH_GL11:
6065         case RENDERPATH_GL13:
6066         case RENDERPATH_GLES1:
6067                 return;
6068         }
6069
6070         // set bloomwidth and bloomheight to the bloom resolution that will be
6071         // used (often less than the screen resolution for faster rendering)
6072         r_fb.bloomwidth = bound(1, r_bloom_resolution.integer, vid.height);
6073         r_fb.bloomheight = r_fb.bloomwidth * vid.height / vid.width;
6074         r_fb.bloomheight = bound(1, r_fb.bloomheight, vid.height);
6075         r_fb.bloomwidth = bound(1, r_fb.bloomwidth, (int)vid.maxtexturesize_2d);
6076         r_fb.bloomheight = bound(1, r_fb.bloomheight, (int)vid.maxtexturesize_2d);
6077
6078         // calculate desired texture sizes
6079         if (vid.support.arb_texture_non_power_of_two)
6080         {
6081                 screentexturewidth = vid.width;
6082                 screentextureheight = vid.height;
6083                 bloomtexturewidth = r_fb.bloomwidth;
6084                 bloomtextureheight = r_fb.bloomheight;
6085         }
6086         else
6087         {
6088                 for (screentexturewidth  = 1;screentexturewidth  < vid.width       ;screentexturewidth  *= 2);
6089                 for (screentextureheight = 1;screentextureheight < vid.height      ;screentextureheight *= 2);
6090                 for (bloomtexturewidth   = 1;bloomtexturewidth   < r_fb.bloomwidth ;bloomtexturewidth   *= 2);
6091                 for (bloomtextureheight  = 1;bloomtextureheight  < r_fb.bloomheight;bloomtextureheight  *= 2);
6092         }
6093
6094         if ((r_bloom.integer || (!R_Stereo_Active() && (r_motionblur.value > 0 || r_damageblur.value > 0))) && ((r_bloom_resolution.integer < 4 || r_bloom_blur.value < 1 || r_bloom_blur.value >= 512) || r_refdef.view.width > (int)vid.maxtexturesize_2d || r_refdef.view.height > (int)vid.maxtexturesize_2d))
6095         {
6096                 Cvar_SetValueQuick(&r_bloom, 0);
6097                 Cvar_SetValueQuick(&r_motionblur, 0);
6098                 Cvar_SetValueQuick(&r_damageblur, 0);
6099         }
6100
6101         if (!(r_glsl_postprocess.integer || (!R_Stereo_ColorMasking() && r_glsl_saturation.value != 1) || (v_glslgamma.integer && !vid_gammatables_trivial))
6102          && !r_bloom.integer
6103          && (R_Stereo_Active() || (r_motionblur.value <= 0 && r_damageblur.value <= 0))
6104          && !useviewfbo
6105          && r_viewscale.value == 1.0f
6106          && !r_viewscale_fpsscaling.integer)
6107                 screentexturewidth = screentextureheight = 0;
6108         if (!r_bloom.integer)
6109                 bloomtexturewidth = bloomtextureheight = 0;
6110
6111         // allocate textures as needed
6112         if (r_fb.screentexturewidth != screentexturewidth
6113          || r_fb.screentextureheight != screentextureheight
6114          || r_fb.bloomtexturewidth != bloomtexturewidth
6115          || r_fb.bloomtextureheight != bloomtextureheight
6116          || r_fb.textype != textype
6117          || useviewfbo != (r_fb.fbo != 0))
6118         {
6119                 for (i = 0;i < (int)(sizeof(r_fb.bloomtexture)/sizeof(r_fb.bloomtexture[i]));i++)
6120                 {
6121                         if (r_fb.bloomtexture[i])
6122                                 R_FreeTexture(r_fb.bloomtexture[i]);
6123                         r_fb.bloomtexture[i] = NULL;
6124
6125                         if (r_fb.bloomfbo[i])
6126                                 R_Mesh_DestroyFramebufferObject(r_fb.bloomfbo[i]);
6127                         r_fb.bloomfbo[i] = 0;
6128                 }
6129
6130                 if (r_fb.fbo)
6131                         R_Mesh_DestroyFramebufferObject(r_fb.fbo);
6132                 r_fb.fbo = 0;
6133
6134                 if (r_fb.colortexture)
6135                         R_FreeTexture(r_fb.colortexture);
6136                 r_fb.colortexture = NULL;
6137
6138                 if (r_fb.depthtexture)
6139                         R_FreeTexture(r_fb.depthtexture);
6140                 r_fb.depthtexture = NULL;
6141
6142                 if (r_fb.ghosttexture)
6143                         R_FreeTexture(r_fb.ghosttexture);
6144                 r_fb.ghosttexture = NULL;
6145
6146                 r_fb.screentexturewidth = screentexturewidth;
6147                 r_fb.screentextureheight = screentextureheight;
6148                 r_fb.bloomtexturewidth = bloomtexturewidth;
6149                 r_fb.bloomtextureheight = bloomtextureheight;
6150                 r_fb.textype = textype;
6151
6152                 if (r_fb.screentexturewidth && r_fb.screentextureheight)
6153                 {
6154                         if (r_motionblur.value > 0 || r_damageblur.value > 0)
6155                                 r_fb.ghosttexture = R_LoadTexture2D(r_main_texturepool, "framebuffermotionblur", r_fb.screentexturewidth, r_fb.screentextureheight, NULL, r_fb.textype, TEXF_RENDERTARGET | TEXF_FORCELINEAR | TEXF_CLAMP, -1, NULL);
6156                         r_fb.ghosttexture_valid = false;
6157                         r_fb.colortexture = R_LoadTexture2D(r_main_texturepool, "framebuffercolor", r_fb.screentexturewidth, r_fb.screentextureheight, NULL, r_fb.textype, TEXF_RENDERTARGET | TEXF_FORCELINEAR | TEXF_CLAMP, -1, NULL);
6158                         if (useviewfbo)
6159                         {
6160                                 // FIXME: choose depth bits based on a cvar
6161                                 r_fb.depthtexture = R_LoadTextureShadowMap2D(r_main_texturepool, "framebufferdepth", r_fb.screentexturewidth, r_fb.screentextureheight, 24, false);
6162                                 r_fb.fbo = R_Mesh_CreateFramebufferObject(r_fb.depthtexture, r_fb.colortexture, NULL, NULL, NULL);
6163                                 R_Mesh_SetRenderTargets(r_fb.fbo, r_fb.depthtexture, r_fb.colortexture, NULL, NULL, NULL);
6164 #ifndef USE_GLES2
6165                                 // render depth into one texture and color into the other
6166                                 if (qglDrawBuffer)
6167                                 {
6168                                         int status;
6169                                         qglDrawBuffer(GL_COLOR_ATTACHMENT0);CHECKGLERROR
6170                                         qglReadBuffer(GL_COLOR_ATTACHMENT0);CHECKGLERROR
6171                                         status = qglCheckFramebufferStatusEXT(GL_FRAMEBUFFER);CHECKGLERROR
6172                                         if (status != GL_FRAMEBUFFER_COMPLETE)
6173                                                 Con_Printf("R_Bloom_StartFrame: glCheckFramebufferStatusEXT returned %i\n", status);
6174                                 }
6175 #endif
6176                         }
6177                 }
6178
6179                 if (r_fb.bloomtexturewidth && r_fb.bloomtextureheight)
6180                 {
6181                         for (i = 0;i < (int)(sizeof(r_fb.bloomtexture)/sizeof(r_fb.bloomtexture[i]));i++)
6182                         {
6183                                 r_fb.bloomtexture[i] = R_LoadTexture2D(r_main_texturepool, "framebufferbloom", r_fb.bloomtexturewidth, r_fb.bloomtextureheight, NULL, r_fb.textype, TEXF_RENDERTARGET | TEXF_FORCELINEAR | TEXF_CLAMP, -1, NULL);
6184                                 if (useviewfbo)
6185                                         r_fb.bloomfbo[i] = R_Mesh_CreateFramebufferObject(NULL, r_fb.bloomtexture[i], NULL, NULL, NULL);
6186                         }
6187                 }
6188         }
6189
6190         // bloom texture is a different resolution
6191         r_fb.bloomwidth = bound(1, r_bloom_resolution.integer, r_refdef.view.height);
6192         r_fb.bloomheight = r_fb.bloomwidth * r_refdef.view.height / r_refdef.view.width;
6193         r_fb.bloomheight = bound(1, r_fb.bloomheight, r_refdef.view.height);
6194         r_fb.bloomwidth = bound(1, r_fb.bloomwidth, r_fb.bloomtexturewidth);
6195         r_fb.bloomheight = bound(1, r_fb.bloomheight, r_fb.bloomtextureheight);
6196
6197         // set up a texcoord array for the full resolution screen image
6198         // (we have to keep this around to copy back during final render)
6199         r_fb.screentexcoord2f[0] = 0;
6200         r_fb.screentexcoord2f[1] = (float)viewheight    / (float)r_fb.screentextureheight;
6201         r_fb.screentexcoord2f[2] = (float)viewwidth     / (float)r_fb.screentexturewidth;
6202         r_fb.screentexcoord2f[3] = (float)viewheight    / (float)r_fb.screentextureheight;
6203         r_fb.screentexcoord2f[4] = (float)viewwidth     / (float)r_fb.screentexturewidth;
6204         r_fb.screentexcoord2f[5] = 0;
6205         r_fb.screentexcoord2f[6] = 0;
6206         r_fb.screentexcoord2f[7] = 0;
6207
6208         // set up a texcoord array for the reduced resolution bloom image
6209         // (which will be additive blended over the screen image)
6210         r_fb.bloomtexcoord2f[0] = 0;
6211         r_fb.bloomtexcoord2f[1] = (float)r_fb.bloomheight / (float)r_fb.bloomtextureheight;
6212         r_fb.bloomtexcoord2f[2] = (float)r_fb.bloomwidth  / (float)r_fb.bloomtexturewidth;
6213         r_fb.bloomtexcoord2f[3] = (float)r_fb.bloomheight / (float)r_fb.bloomtextureheight;
6214         r_fb.bloomtexcoord2f[4] = (float)r_fb.bloomwidth  / (float)r_fb.bloomtexturewidth;
6215         r_fb.bloomtexcoord2f[5] = 0;
6216         r_fb.bloomtexcoord2f[6] = 0;
6217         r_fb.bloomtexcoord2f[7] = 0;
6218
6219         switch(vid.renderpath)
6220         {
6221         case RENDERPATH_GL11:
6222         case RENDERPATH_GL13:
6223         case RENDERPATH_GL20:
6224         case RENDERPATH_SOFT:
6225         case RENDERPATH_GLES1:
6226         case RENDERPATH_GLES2:
6227                 break;
6228         case RENDERPATH_D3D9:
6229         case RENDERPATH_D3D10:
6230         case RENDERPATH_D3D11:
6231                 {
6232                         int i;
6233                         for (i = 0;i < 4;i++)
6234                         {
6235                                 r_fb.screentexcoord2f[i*2+0] += 0.5f / (float)r_fb.screentexturewidth;
6236                                 r_fb.screentexcoord2f[i*2+1] += 0.5f / (float)r_fb.screentextureheight;
6237                                 r_fb.bloomtexcoord2f[i*2+0] += 0.5f / (float)r_fb.bloomtexturewidth;
6238                                 r_fb.bloomtexcoord2f[i*2+1] += 0.5f / (float)r_fb.bloomtextureheight;
6239                         }
6240                 }
6241                 break;
6242         }
6243
6244         R_Viewport_InitOrtho(&r_fb.bloomviewport, &identitymatrix, r_refdef.view.x, (r_fb.bloomfbo[0] ? r_fb.bloomtextureheight : vid.height) - r_fb.bloomheight - r_refdef.view.y, r_fb.bloomwidth, r_fb.bloomheight, 0, 0, 1, 1, -10, 100, NULL);
6245
6246         if (r_fb.fbo)
6247                 r_refdef.view.clear = true;
6248 }
6249
6250 void R_Bloom_MakeTexture(void)
6251 {
6252         int x, range, dir;
6253         float xoffset, yoffset, r, brighten;
6254         rtexture_t *intex;
6255         float colorscale = r_bloom_colorscale.value;
6256
6257         r_refdef.stats.bloom++;
6258
6259         if (!r_fb.fbo)
6260         {
6261                 R_Mesh_CopyToTexture(r_fb.colortexture, 0, 0, r_refdef.view.viewport.x, r_refdef.view.viewport.y, r_refdef.view.viewport.width, r_refdef.view.viewport.height);
6262                 r_refdef.stats.bloom_copypixels += r_refdef.view.viewport.width * r_refdef.view.viewport.height;
6263         }
6264
6265         // scale down screen texture to the bloom texture size
6266         CHECKGLERROR
6267         r_fb.bloomindex = 0;
6268         R_Mesh_SetRenderTargets(r_fb.bloomfbo[r_fb.bloomindex], NULL, r_fb.bloomtexture[r_fb.bloomindex], NULL, NULL, NULL);
6269         R_SetViewport(&r_fb.bloomviewport);
6270         GL_BlendFunc(GL_ONE, GL_ZERO);
6271         GL_Color(colorscale, colorscale, colorscale, 1);
6272         // D3D has upside down Y coords, the easiest way to flip this is to flip the screen vertices rather than the texcoords, so we just use a different array for that...
6273         switch(vid.renderpath)
6274         {
6275         case RENDERPATH_GL11:
6276         case RENDERPATH_GL13:
6277         case RENDERPATH_GL20:
6278         case RENDERPATH_GLES1:
6279         case RENDERPATH_GLES2:
6280         case RENDERPATH_SOFT:
6281                 R_Mesh_PrepareVertices_Generic_Arrays(4, r_screenvertex3f, NULL, r_fb.screentexcoord2f);
6282                 break;
6283         case RENDERPATH_D3D9:
6284         case RENDERPATH_D3D10:
6285         case RENDERPATH_D3D11:
6286                 R_Mesh_PrepareVertices_Generic_Arrays(4, r_d3dscreenvertex3f, NULL, r_fb.screentexcoord2f);
6287                 break;
6288         }
6289         // TODO: do boxfilter scale-down in shader?
6290         R_SetupShader_Generic(r_fb.colortexture, NULL, GL_MODULATE, 1, false, true, true);
6291         R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
6292         r_refdef.stats.bloom_drawpixels += r_fb.bloomwidth * r_fb.bloomheight;
6293
6294         // we now have a properly scaled bloom image
6295         if (!r_fb.bloomfbo[r_fb.bloomindex])
6296         {
6297                 // copy it into the bloom texture
6298                 R_Mesh_CopyToTexture(r_fb.bloomtexture[r_fb.bloomindex], 0, 0, r_fb.bloomviewport.x, r_fb.bloomviewport.y, r_fb.bloomviewport.width, r_fb.bloomviewport.height);
6299                 r_refdef.stats.bloom_copypixels += r_fb.bloomviewport.width * r_fb.bloomviewport.height;
6300         }
6301
6302         // multiply bloom image by itself as many times as desired
6303         for (x = 1;x < min(r_bloom_colorexponent.value, 32);)
6304         {
6305                 intex = r_fb.bloomtexture[r_fb.bloomindex];
6306                 r_fb.bloomindex ^= 1;
6307                 R_Mesh_SetRenderTargets(r_fb.bloomfbo[r_fb.bloomindex], NULL, r_fb.bloomtexture[r_fb.bloomindex], NULL, NULL, NULL);
6308                 x *= 2;
6309                 r = bound(0, r_bloom_colorexponent.value / x, 1);
6310                 GL_BlendFunc(GL_DST_COLOR, GL_SRC_COLOR);
6311                 GL_Color(r,r,r,1);
6312                 R_Mesh_PrepareVertices_Generic_Arrays(4, r_screenvertex3f, NULL, r_fb.bloomtexcoord2f);
6313                 R_SetupShader_Generic(intex, NULL, GL_MODULATE, 1, false, true, false);
6314                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
6315                 r_refdef.stats.bloom_drawpixels += r_fb.bloomwidth * r_fb.bloomheight;
6316
6317                 if (!r_fb.bloomfbo[r_fb.bloomindex])
6318                 {
6319                         // copy the darkened image to a texture
6320                         R_Mesh_CopyToTexture(r_fb.bloomtexture[r_fb.bloomindex], 0, 0, r_fb.bloomviewport.x, r_fb.bloomviewport.y, r_fb.bloomviewport.width, r_fb.bloomviewport.height);
6321                         r_refdef.stats.bloom_copypixels += r_fb.bloomviewport.width * r_fb.bloomviewport.height;
6322                 }
6323         }
6324
6325         range = r_bloom_blur.integer * r_fb.bloomwidth / 320;
6326         brighten = r_bloom_brighten.value;
6327         brighten = sqrt(brighten);
6328         if(range >= 1)
6329                 brighten *= (3 * range) / (2 * range - 1); // compensate for the "dot particle"
6330
6331         for (dir = 0;dir < 2;dir++)
6332         {
6333                 intex = r_fb.bloomtexture[r_fb.bloomindex];
6334                 r_fb.bloomindex ^= 1;
6335                 R_Mesh_SetRenderTargets(r_fb.bloomfbo[r_fb.bloomindex], NULL, r_fb.bloomtexture[r_fb.bloomindex], NULL, NULL, NULL);
6336                 // blend on at multiple vertical offsets to achieve a vertical blur
6337                 // TODO: do offset blends using GLSL
6338                 // TODO instead of changing the texcoords, change the target positions to prevent artifacts at edges
6339                 GL_BlendFunc(GL_ONE, GL_ZERO);
6340                 R_SetupShader_Generic(intex, NULL, GL_MODULATE, 1, false, true, false);
6341                 for (x = -range;x <= range;x++)
6342                 {
6343                         if (!dir){xoffset = 0;yoffset = x;}
6344                         else {xoffset = x;yoffset = 0;}
6345                         xoffset /= (float)r_fb.bloomtexturewidth;
6346                         yoffset /= (float)r_fb.bloomtextureheight;
6347                         // compute a texcoord array with the specified x and y offset
6348                         r_fb.offsettexcoord2f[0] = xoffset+0;
6349                         r_fb.offsettexcoord2f[1] = yoffset+(float)r_fb.bloomheight / (float)r_fb.bloomtextureheight;
6350                         r_fb.offsettexcoord2f[2] = xoffset+(float)r_fb.bloomwidth / (float)r_fb.bloomtexturewidth;
6351                         r_fb.offsettexcoord2f[3] = yoffset+(float)r_fb.bloomheight / (float)r_fb.bloomtextureheight;
6352                         r_fb.offsettexcoord2f[4] = xoffset+(float)r_fb.bloomwidth / (float)r_fb.bloomtexturewidth;
6353                         r_fb.offsettexcoord2f[5] = yoffset+0;
6354                         r_fb.offsettexcoord2f[6] = xoffset+0;
6355                         r_fb.offsettexcoord2f[7] = yoffset+0;
6356                         // this r value looks like a 'dot' particle, fading sharply to
6357                         // black at the edges
6358                         // (probably not realistic but looks good enough)
6359                         //r = ((range*range+1)/((float)(x*x+1)))/(range*2+1);
6360                         //r = brighten/(range*2+1);
6361                         r = brighten / (range * 2 + 1);
6362                         if(range >= 1)
6363                                 r *= (1 - x*x/(float)(range*range));
6364                         GL_Color(r, r, r, 1);
6365                         R_Mesh_PrepareVertices_Generic_Arrays(4, r_screenvertex3f, NULL, r_fb.offsettexcoord2f);
6366                         R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
6367                         r_refdef.stats.bloom_drawpixels += r_fb.bloomwidth * r_fb.bloomheight;
6368                         GL_BlendFunc(GL_ONE, GL_ONE);
6369                 }
6370
6371                 if (!r_fb.bloomfbo[r_fb.bloomindex])
6372                 {
6373                         // copy the vertically or horizontally blurred bloom view to a texture
6374                         R_Mesh_CopyToTexture(r_fb.bloomtexture[r_fb.bloomindex], 0, 0, r_fb.bloomviewport.x, r_fb.bloomviewport.y, r_fb.bloomviewport.width, r_fb.bloomviewport.height);
6375                         r_refdef.stats.bloom_copypixels += r_fb.bloomviewport.width * r_fb.bloomviewport.height;
6376                 }
6377         }
6378 }
6379
6380 static void R_BlendView(int fbo, rtexture_t *depthtexture, rtexture_t *colortexture)
6381 {
6382         unsigned int permutation;
6383         float uservecs[4][4];
6384
6385         switch (vid.renderpath)
6386         {
6387         case RENDERPATH_GL20:
6388         case RENDERPATH_D3D9:
6389         case RENDERPATH_D3D10:
6390         case RENDERPATH_D3D11:
6391         case RENDERPATH_SOFT:
6392         case RENDERPATH_GLES2:
6393                 permutation =
6394                           (r_fb.bloomtexture[r_fb.bloomindex] ? SHADERPERMUTATION_BLOOM : 0)
6395                         | (r_refdef.viewblend[3] > 0 ? SHADERPERMUTATION_VIEWTINT : 0)
6396                         | ((v_glslgamma.value && !vid_gammatables_trivial) ? SHADERPERMUTATION_GAMMARAMPS : 0)
6397                         | (r_glsl_postprocess.integer ? SHADERPERMUTATION_POSTPROCESSING : 0)
6398                         | ((!R_Stereo_ColorMasking() && r_glsl_saturation.value != 1) ? SHADERPERMUTATION_SATURATION : 0);
6399
6400                 if (r_fb.colortexture)
6401                 {
6402                         if (!r_fb.fbo)
6403                         {
6404                                 R_Mesh_CopyToTexture(r_fb.colortexture, 0, 0, r_refdef.view.viewport.x, r_refdef.view.viewport.y, r_refdef.view.viewport.width, r_refdef.view.viewport.height);
6405                                 r_refdef.stats.bloom_copypixels += r_refdef.view.viewport.width * r_refdef.view.viewport.height;
6406                         }
6407
6408                         if(!R_Stereo_Active() && (r_motionblur.value > 0 || r_damageblur.value > 0) && r_fb.ghosttexture)
6409                         {
6410                                 // declare variables
6411                                 float blur_factor, blur_mouseaccel, blur_velocity;
6412                                 static float blur_average;
6413                                 static vec3_t blur_oldangles; // used to see how quickly the mouse is moving
6414
6415                                 // set a goal for the factoring
6416                                 blur_velocity = bound(0, (VectorLength(cl.movement_velocity) - r_motionblur_velocityfactor_minspeed.value)
6417                                         / max(1, r_motionblur_velocityfactor_maxspeed.value - r_motionblur_velocityfactor_minspeed.value), 1);
6418                                 blur_mouseaccel = bound(0, ((fabs(VectorLength(cl.viewangles) - VectorLength(blur_oldangles)) * 10) - r_motionblur_mousefactor_minspeed.value)
6419                                         / max(1, r_motionblur_mousefactor_maxspeed.value - r_motionblur_mousefactor_minspeed.value), 1);
6420                                 blur_factor = ((blur_velocity * r_motionblur_velocityfactor.value)
6421                                         + (blur_mouseaccel * r_motionblur_mousefactor.value));
6422
6423                                 // from the goal, pick an averaged value between goal and last value
6424                                 cl.motionbluralpha = bound(0, (cl.time - cl.oldtime) / max(0.001, r_motionblur_averaging.value), 1);
6425                                 blur_average = blur_average * (1 - cl.motionbluralpha) + blur_factor * cl.motionbluralpha;
6426
6427                                 // enforce minimum amount of blur
6428                                 blur_factor = blur_average * (1 - r_motionblur_minblur.value) + r_motionblur_minblur.value;
6429
6430                                 //Con_Printf("motionblur: direct factor: %f, averaged factor: %f, velocity: %f, mouse accel: %f \n", blur_factor, blur_average, blur_velocity, blur_mouseaccel);
6431
6432                                 // calculate values into a standard alpha
6433                                 cl.motionbluralpha = 1 - exp(-
6434                                                 (
6435                                                  (r_motionblur.value * blur_factor / 80)
6436                                                  +
6437                                                  (r_damageblur.value * (cl.cshifts[CSHIFT_DAMAGE].percent / 1600))
6438                                                 )
6439                                                 /
6440                                                 max(0.0001, cl.time - cl.oldtime) // fps independent
6441                                           );
6442
6443                                 // randomization for the blur value to combat persistent ghosting
6444                                 cl.motionbluralpha *= lhrandom(1 - r_motionblur_randomize.value, 1 + r_motionblur_randomize.value);
6445                                 cl.motionbluralpha = bound(0, cl.motionbluralpha, r_motionblur_maxblur.value);
6446
6447                                 // apply the blur
6448                                 R_ResetViewRendering2D(fbo, depthtexture, colortexture);
6449                                 if (cl.motionbluralpha > 0 && !r_refdef.envmap && r_fb.ghosttexture_valid)
6450                                 {
6451                                         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
6452                                         GL_Color(1, 1, 1, cl.motionbluralpha);
6453                                         switch(vid.renderpath)
6454                                         {
6455                                         case RENDERPATH_GL11:
6456                                         case RENDERPATH_GL13:
6457                                         case RENDERPATH_GL20:
6458                                         case RENDERPATH_GLES1:
6459                                         case RENDERPATH_GLES2:
6460                                         case RENDERPATH_SOFT:
6461                                                 R_Mesh_PrepareVertices_Generic_Arrays(4, r_screenvertex3f, NULL, r_fb.screentexcoord2f);
6462                                                 break;
6463                                         case RENDERPATH_D3D9:
6464                                         case RENDERPATH_D3D10:
6465                                         case RENDERPATH_D3D11:
6466                                                 R_Mesh_PrepareVertices_Generic_Arrays(4, r_d3dscreenvertex3f, NULL, r_fb.screentexcoord2f);
6467                                                 break;
6468                                         }
6469                                         R_SetupShader_Generic(r_fb.ghosttexture, NULL, GL_MODULATE, 1, false, true, true);
6470                                         R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
6471                                         r_refdef.stats.bloom_drawpixels += r_refdef.view.viewport.width * r_refdef.view.viewport.height;
6472                                 }
6473
6474                                 // updates old view angles for next pass
6475                                 VectorCopy(cl.viewangles, blur_oldangles);
6476
6477                                 // copy view into the ghost texture
6478                                 R_Mesh_CopyToTexture(r_fb.ghosttexture, 0, 0, r_refdef.view.viewport.x, r_refdef.view.viewport.y, r_refdef.view.viewport.width, r_refdef.view.viewport.height);
6479                                 r_refdef.stats.bloom_copypixels += r_refdef.view.viewport.width * r_refdef.view.viewport.height;
6480                                 r_fb.ghosttexture_valid = true;
6481                         }
6482                 }
6483                 else
6484                 {
6485                         // no r_fb.colortexture means we're rendering to the real fb
6486                         // we may still have to do view tint...
6487                         if (r_refdef.viewblend[3] >= (1.0f / 256.0f))
6488                         {
6489                                 // apply a color tint to the whole view
6490                                 R_ResetViewRendering2D(0, NULL, NULL);
6491                                 GL_Color(r_refdef.viewblend[0], r_refdef.viewblend[1], r_refdef.viewblend[2], r_refdef.viewblend[3]);
6492                                 R_Mesh_PrepareVertices_Generic_Arrays(4, r_screenvertex3f, NULL, NULL);
6493                                 R_SetupShader_Generic_NoTexture(false, true);
6494                                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
6495                                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
6496                         }
6497                         break; // no screen processing, no bloom, skip it
6498                 }
6499
6500                 if (r_fb.bloomtexture[0])
6501                 {
6502                         // make the bloom texture
6503                         R_Bloom_MakeTexture();
6504                 }
6505
6506 #if _MSC_VER >= 1400
6507 #define sscanf sscanf_s
6508 #endif
6509                 memset(uservecs, 0, sizeof(uservecs));
6510                 if (r_glsl_postprocess_uservec1_enable.integer)
6511                         sscanf(r_glsl_postprocess_uservec1.string, "%f %f %f %f", &uservecs[0][0], &uservecs[0][1], &uservecs[0][2], &uservecs[0][3]);
6512                 if (r_glsl_postprocess_uservec2_enable.integer)
6513                         sscanf(r_glsl_postprocess_uservec2.string, "%f %f %f %f", &uservecs[1][0], &uservecs[1][1], &uservecs[1][2], &uservecs[1][3]);
6514                 if (r_glsl_postprocess_uservec3_enable.integer)
6515                         sscanf(r_glsl_postprocess_uservec3.string, "%f %f %f %f", &uservecs[2][0], &uservecs[2][1], &uservecs[2][2], &uservecs[2][3]);
6516                 if (r_glsl_postprocess_uservec4_enable.integer)
6517                         sscanf(r_glsl_postprocess_uservec4.string, "%f %f %f %f", &uservecs[3][0], &uservecs[3][1], &uservecs[3][2], &uservecs[3][3]);
6518
6519                 R_ResetViewRendering2D(0, NULL, NULL); // here we render to the real framebuffer!
6520                 GL_Color(1, 1, 1, 1);
6521                 GL_BlendFunc(GL_ONE, GL_ZERO);
6522
6523                 switch(vid.renderpath)
6524                 {
6525                 case RENDERPATH_GL20:
6526                 case RENDERPATH_GLES2:
6527                         R_Mesh_PrepareVertices_Mesh_Arrays(4, r_screenvertex3f, NULL, NULL, NULL, NULL, r_fb.screentexcoord2f, r_fb.bloomtexcoord2f);
6528                         R_SetupShader_SetPermutationGLSL(SHADERMODE_POSTPROCESS, permutation);
6529                         if (r_glsl_permutation->tex_Texture_First           >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_First     , r_fb.colortexture);
6530                         if (r_glsl_permutation->tex_Texture_Second          >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_Second    , r_fb.bloomtexture[r_fb.bloomindex]);
6531                         if (r_glsl_permutation->tex_Texture_GammaRamps      >= 0) R_Mesh_TexBind(r_glsl_permutation->tex_Texture_GammaRamps, r_texture_gammaramps       );
6532                         if (r_glsl_permutation->loc_ViewTintColor           >= 0) qglUniform4f(r_glsl_permutation->loc_ViewTintColor     , r_refdef.viewblend[0], r_refdef.viewblend[1], r_refdef.viewblend[2], r_refdef.viewblend[3]);
6533                         if (r_glsl_permutation->loc_PixelSize               >= 0) qglUniform2f(r_glsl_permutation->loc_PixelSize         , 1.0/r_fb.screentexturewidth, 1.0/r_fb.screentextureheight);
6534                         if (r_glsl_permutation->loc_UserVec1                >= 0) qglUniform4f(r_glsl_permutation->loc_UserVec1          , uservecs[0][0], uservecs[0][1], uservecs[0][2], uservecs[0][3]);
6535                         if (r_glsl_permutation->loc_UserVec2                >= 0) qglUniform4f(r_glsl_permutation->loc_UserVec2          , uservecs[1][0], uservecs[1][1], uservecs[1][2], uservecs[1][3]);
6536                         if (r_glsl_permutation->loc_UserVec3                >= 0) qglUniform4f(r_glsl_permutation->loc_UserVec3          , uservecs[2][0], uservecs[2][1], uservecs[2][2], uservecs[2][3]);
6537                         if (r_glsl_permutation->loc_UserVec4                >= 0) qglUniform4f(r_glsl_permutation->loc_UserVec4          , uservecs[3][0], uservecs[3][1], uservecs[3][2], uservecs[3][3]);
6538                         if (r_glsl_permutation->loc_Saturation              >= 0) qglUniform1f(r_glsl_permutation->loc_Saturation        , r_glsl_saturation.value);
6539                         if (r_glsl_permutation->loc_PixelToScreenTexCoord   >= 0) qglUniform2f(r_glsl_permutation->loc_PixelToScreenTexCoord, 1.0f/vid.width, 1.0f/vid.height);
6540                         if (r_glsl_permutation->loc_BloomColorSubtract      >= 0) qglUniform4f(r_glsl_permutation->loc_BloomColorSubtract   , r_bloom_colorsubtract.value, r_bloom_colorsubtract.value, r_bloom_colorsubtract.value, 0.0f);
6541                         break;
6542                 case RENDERPATH_D3D9:
6543 #ifdef SUPPORTD3D
6544                         // D3D has upside down Y coords, the easiest way to flip this is to flip the screen vertices rather than the texcoords, so we just use a different array for that...
6545                         R_Mesh_PrepareVertices_Mesh_Arrays(4, r_d3dscreenvertex3f, NULL, NULL, NULL, NULL, r_fb.screentexcoord2f, r_fb.bloomtexcoord2f);
6546                         R_SetupShader_SetPermutationHLSL(SHADERMODE_POSTPROCESS, permutation);
6547                         R_Mesh_TexBind(GL20TU_FIRST     , r_fb.colortexture);
6548                         R_Mesh_TexBind(GL20TU_SECOND    , r_fb.bloomtexture[r_fb.bloomindex]);
6549                         R_Mesh_TexBind(GL20TU_GAMMARAMPS, r_texture_gammaramps       );
6550                         hlslPSSetParameter4f(D3DPSREGISTER_ViewTintColor        , r_refdef.viewblend[0], r_refdef.viewblend[1], r_refdef.viewblend[2], r_refdef.viewblend[3]);
6551                         hlslPSSetParameter2f(D3DPSREGISTER_PixelSize            , 1.0/r_fb.screentexturewidth, 1.0/r_fb.screentextureheight);
6552                         hlslPSSetParameter4f(D3DPSREGISTER_UserVec1             , uservecs[0][0], uservecs[0][1], uservecs[0][2], uservecs[0][3]);
6553                         hlslPSSetParameter4f(D3DPSREGISTER_UserVec2             , uservecs[1][0], uservecs[1][1], uservecs[1][2], uservecs[1][3]);
6554                         hlslPSSetParameter4f(D3DPSREGISTER_UserVec3             , uservecs[2][0], uservecs[2][1], uservecs[2][2], uservecs[2][3]);
6555                         hlslPSSetParameter4f(D3DPSREGISTER_UserVec4             , uservecs[3][0], uservecs[3][1], uservecs[3][2], uservecs[3][3]);
6556                         hlslPSSetParameter1f(D3DPSREGISTER_Saturation           , r_glsl_saturation.value);
6557                         hlslPSSetParameter2f(D3DPSREGISTER_PixelToScreenTexCoord, 1.0f/vid.width, 1.0/vid.height);
6558                         hlslPSSetParameter4f(D3DPSREGISTER_BloomColorSubtract   , r_bloom_colorsubtract.value, r_bloom_colorsubtract.value, r_bloom_colorsubtract.value, 0.0f);
6559 #endif
6560                         break;
6561                 case RENDERPATH_D3D10:
6562                         Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
6563                         break;
6564                 case RENDERPATH_D3D11:
6565                         Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
6566                         break;
6567                 case RENDERPATH_SOFT:
6568                         R_Mesh_PrepareVertices_Mesh_Arrays(4, r_screenvertex3f, NULL, NULL, NULL, NULL, r_fb.screentexcoord2f, r_fb.bloomtexcoord2f);
6569                         R_SetupShader_SetPermutationSoft(SHADERMODE_POSTPROCESS, permutation);
6570                         R_Mesh_TexBind(GL20TU_FIRST     , r_fb.colortexture);
6571                         R_Mesh_TexBind(GL20TU_SECOND    , r_fb.bloomtexture[r_fb.bloomindex]);
6572                         R_Mesh_TexBind(GL20TU_GAMMARAMPS, r_texture_gammaramps       );
6573                         DPSOFTRAST_Uniform4f(DPSOFTRAST_UNIFORM_ViewTintColor     , r_refdef.viewblend[0], r_refdef.viewblend[1], r_refdef.viewblend[2], r_refdef.viewblend[3]);
6574                         DPSOFTRAST_Uniform2f(DPSOFTRAST_UNIFORM_PixelSize         , 1.0/r_fb.screentexturewidth, 1.0/r_fb.screentextureheight);
6575                         DPSOFTRAST_Uniform4f(DPSOFTRAST_UNIFORM_UserVec1          , uservecs[0][0], uservecs[0][1], uservecs[0][2], uservecs[0][3]);
6576                         DPSOFTRAST_Uniform4f(DPSOFTRAST_UNIFORM_UserVec2          , uservecs[1][0], uservecs[1][1], uservecs[1][2], uservecs[1][3]);
6577                         DPSOFTRAST_Uniform4f(DPSOFTRAST_UNIFORM_UserVec3          , uservecs[2][0], uservecs[2][1], uservecs[2][2], uservecs[2][3]);
6578                         DPSOFTRAST_Uniform4f(DPSOFTRAST_UNIFORM_UserVec4          , uservecs[3][0], uservecs[3][1], uservecs[3][2], uservecs[3][3]);
6579                         DPSOFTRAST_Uniform1f(DPSOFTRAST_UNIFORM_Saturation        , r_glsl_saturation.value);
6580                         DPSOFTRAST_Uniform2f(DPSOFTRAST_UNIFORM_PixelToScreenTexCoord, 1.0f/vid.width, 1.0f/vid.height);
6581                         DPSOFTRAST_Uniform4f(DPSOFTRAST_UNIFORM_BloomColorSubtract   , r_bloom_colorsubtract.value, r_bloom_colorsubtract.value, r_bloom_colorsubtract.value, 0.0f);
6582                         break;
6583                 default:
6584                         break;
6585                 }
6586                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
6587                 r_refdef.stats.bloom_drawpixels += r_refdef.view.width * r_refdef.view.height;
6588                 break;
6589         case RENDERPATH_GL11:
6590         case RENDERPATH_GL13:
6591         case RENDERPATH_GLES1:
6592                 if (r_refdef.viewblend[3] >= (1.0f / 256.0f))
6593                 {
6594                         // apply a color tint to the whole view
6595                         R_ResetViewRendering2D(0, NULL, NULL);
6596                         GL_Color(r_refdef.viewblend[0], r_refdef.viewblend[1], r_refdef.viewblend[2], r_refdef.viewblend[3]);
6597                         R_Mesh_PrepareVertices_Generic_Arrays(4, r_screenvertex3f, NULL, NULL);
6598                         R_SetupShader_Generic_NoTexture(false, true);
6599                         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
6600                         R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
6601                 }
6602                 break;
6603         }
6604 }
6605
6606 matrix4x4_t r_waterscrollmatrix;
6607
6608 void R_UpdateFog(void)
6609 {
6610         // Nehahra fog
6611         if (gamemode == GAME_NEHAHRA)
6612         {
6613                 if (gl_fogenable.integer)
6614                 {
6615                         r_refdef.oldgl_fogenable = true;
6616                         r_refdef.fog_density = gl_fogdensity.value;
6617                         r_refdef.fog_red = gl_fogred.value;
6618                         r_refdef.fog_green = gl_foggreen.value;
6619                         r_refdef.fog_blue = gl_fogblue.value;
6620                         r_refdef.fog_alpha = 1;
6621                         r_refdef.fog_start = 0;
6622                         r_refdef.fog_end = gl_skyclip.value;
6623                         r_refdef.fog_height = 1<<30;
6624                         r_refdef.fog_fadedepth = 128;
6625                 }
6626                 else if (r_refdef.oldgl_fogenable)
6627                 {
6628                         r_refdef.oldgl_fogenable = false;
6629                         r_refdef.fog_density = 0;
6630                         r_refdef.fog_red = 0;
6631                         r_refdef.fog_green = 0;
6632                         r_refdef.fog_blue = 0;
6633                         r_refdef.fog_alpha = 0;
6634                         r_refdef.fog_start = 0;
6635                         r_refdef.fog_end = 0;
6636                         r_refdef.fog_height = 1<<30;
6637                         r_refdef.fog_fadedepth = 128;
6638                 }
6639         }
6640
6641         // fog parms
6642         r_refdef.fog_alpha = bound(0, r_refdef.fog_alpha, 1);
6643         r_refdef.fog_start = max(0, r_refdef.fog_start);
6644         r_refdef.fog_end = max(r_refdef.fog_start + 0.01, r_refdef.fog_end);
6645
6646         if (r_refdef.fog_density && r_drawfog.integer)
6647         {
6648                 r_refdef.fogenabled = true;
6649                 // this is the point where the fog reaches 0.9986 alpha, which we
6650                 // consider a good enough cutoff point for the texture
6651                 // (0.9986 * 256 == 255.6)
6652                 if (r_fog_exp2.integer)
6653                         r_refdef.fogrange = 32 / (r_refdef.fog_density * r_refdef.fog_density) + r_refdef.fog_start;
6654                 else
6655                         r_refdef.fogrange = 2048 / r_refdef.fog_density + r_refdef.fog_start;
6656                 r_refdef.fogrange = bound(r_refdef.fog_start, r_refdef.fogrange, r_refdef.fog_end);
6657                 r_refdef.fograngerecip = 1.0f / r_refdef.fogrange;
6658                 r_refdef.fogmasktabledistmultiplier = FOGMASKTABLEWIDTH * r_refdef.fograngerecip;
6659                 if (strcmp(r_refdef.fogheighttexturename, r_refdef.fog_height_texturename))
6660                         R_BuildFogHeightTexture();
6661                 // fog color was already set
6662                 // update the fog texture
6663                 if (r_refdef.fogmasktable_start != r_refdef.fog_start || r_refdef.fogmasktable_alpha != r_refdef.fog_alpha || r_refdef.fogmasktable_density != r_refdef.fog_density || r_refdef.fogmasktable_range != r_refdef.fogrange)
6664                         R_BuildFogTexture();
6665                 r_refdef.fog_height_texcoordscale = 1.0f / max(0.125f, r_refdef.fog_fadedepth);
6666                 r_refdef.fog_height_tablescale = r_refdef.fog_height_tablesize * r_refdef.fog_height_texcoordscale;
6667         }
6668         else
6669                 r_refdef.fogenabled = false;
6670
6671         // fog color
6672         if (r_refdef.fog_density)
6673         {
6674                 r_refdef.fogcolor[0] = r_refdef.fog_red;
6675                 r_refdef.fogcolor[1] = r_refdef.fog_green;
6676                 r_refdef.fogcolor[2] = r_refdef.fog_blue;
6677
6678                 Vector4Set(r_refdef.fogplane, 0, 0, 1, -r_refdef.fog_height);
6679                 r_refdef.fogplaneviewdist = DotProduct(r_refdef.fogplane, r_refdef.view.origin) + r_refdef.fogplane[3];
6680                 r_refdef.fogplaneviewabove = r_refdef.fogplaneviewdist >= 0;
6681                 r_refdef.fogheightfade = -0.5f/max(0.125f, r_refdef.fog_fadedepth);
6682
6683                 {
6684                         vec3_t fogvec;
6685                         VectorCopy(r_refdef.fogcolor, fogvec);
6686                         //   color.rgb *= ContrastBoost * SceneBrightness;
6687                         VectorScale(fogvec, r_refdef.view.colorscale, fogvec);
6688                         r_refdef.fogcolor[0] = bound(0.0f, fogvec[0], 1.0f);
6689                         r_refdef.fogcolor[1] = bound(0.0f, fogvec[1], 1.0f);
6690                         r_refdef.fogcolor[2] = bound(0.0f, fogvec[2], 1.0f);
6691                 }
6692         }
6693 }
6694
6695 void R_UpdateVariables(void)
6696 {
6697         R_Textures_Frame();
6698
6699         r_refdef.scene.ambient = r_ambient.value * (1.0f / 64.0f);
6700
6701         r_refdef.farclip = r_farclip_base.value;
6702         if (r_refdef.scene.worldmodel)
6703                 r_refdef.farclip += r_refdef.scene.worldmodel->radius * r_farclip_world.value * 2;
6704         r_refdef.nearclip = bound (0.001f, r_nearclip.value, r_refdef.farclip - 1.0f);
6705
6706         if (r_shadow_frontsidecasting.integer < 0 || r_shadow_frontsidecasting.integer > 1)
6707                 Cvar_SetValueQuick(&r_shadow_frontsidecasting, 1);
6708         r_refdef.polygonfactor = 0;
6709         r_refdef.polygonoffset = 0;
6710         r_refdef.shadowpolygonfactor = r_refdef.polygonfactor + r_shadow_polygonfactor.value * (r_shadow_frontsidecasting.integer ? 1 : -1);
6711         r_refdef.shadowpolygonoffset = r_refdef.polygonoffset + r_shadow_polygonoffset.value * (r_shadow_frontsidecasting.integer ? 1 : -1);
6712
6713         r_refdef.scene.rtworld = r_shadow_realtime_world.integer != 0;
6714         r_refdef.scene.rtworldshadows = r_shadow_realtime_world_shadows.integer && vid.stencil;
6715         r_refdef.scene.rtdlight = r_shadow_realtime_dlight.integer != 0 && !gl_flashblend.integer && r_dynamic.integer;
6716         r_refdef.scene.rtdlightshadows = r_refdef.scene.rtdlight && r_shadow_realtime_dlight_shadows.integer && vid.stencil;
6717         r_refdef.lightmapintensity = r_refdef.scene.rtworld ? r_shadow_realtime_world_lightmaps.value : 1;
6718         if (FAKELIGHT_ENABLED)
6719         {
6720                 r_refdef.lightmapintensity *= r_fakelight_intensity.value;
6721         }
6722         if (r_showsurfaces.integer)
6723         {
6724                 r_refdef.scene.rtworld = false;
6725                 r_refdef.scene.rtworldshadows = false;
6726                 r_refdef.scene.rtdlight = false;
6727                 r_refdef.scene.rtdlightshadows = false;
6728                 r_refdef.lightmapintensity = 0;
6729         }
6730
6731         switch(vid.renderpath)
6732         {
6733         case RENDERPATH_GL20:
6734         case RENDERPATH_D3D9:
6735         case RENDERPATH_D3D10:
6736         case RENDERPATH_D3D11:
6737         case RENDERPATH_SOFT:
6738         case RENDERPATH_GLES2:
6739                 if(v_glslgamma.integer && !vid_gammatables_trivial)
6740                 {
6741                         if(!r_texture_gammaramps || vid_gammatables_serial != r_texture_gammaramps_serial)
6742                         {
6743                                 // build GLSL gamma texture
6744 #define RAMPWIDTH 256
6745                                 unsigned short ramp[RAMPWIDTH * 3];
6746                                 unsigned char rampbgr[RAMPWIDTH][4];
6747                                 int i;
6748
6749                                 r_texture_gammaramps_serial = vid_gammatables_serial;
6750
6751                                 VID_BuildGammaTables(&ramp[0], RAMPWIDTH);
6752                                 for(i = 0; i < RAMPWIDTH; ++i)
6753                                 {
6754                                         rampbgr[i][0] = (unsigned char) (ramp[i + 2 * RAMPWIDTH] * 255.0 / 65535.0 + 0.5);
6755                                         rampbgr[i][1] = (unsigned char) (ramp[i + RAMPWIDTH] * 255.0 / 65535.0 + 0.5);
6756                                         rampbgr[i][2] = (unsigned char) (ramp[i] * 255.0 / 65535.0 + 0.5);
6757                                         rampbgr[i][3] = 0;
6758                                 }
6759                                 if (r_texture_gammaramps)
6760                                 {
6761                                         R_UpdateTexture(r_texture_gammaramps, &rampbgr[0][0], 0, 0, 0, RAMPWIDTH, 1, 1);
6762                                 }
6763                                 else
6764                                 {
6765                                         r_texture_gammaramps = R_LoadTexture2D(r_main_texturepool, "gammaramps", RAMPWIDTH, 1, &rampbgr[0][0], TEXTYPE_BGRA, TEXF_FORCELINEAR | TEXF_CLAMP | TEXF_PERSISTENT, -1, NULL);
6766                                 }
6767                         }
6768                 }
6769                 else
6770                 {
6771                         // remove GLSL gamma texture
6772                 }
6773                 break;
6774         case RENDERPATH_GL11:
6775         case RENDERPATH_GL13:
6776         case RENDERPATH_GLES1:
6777                 break;
6778         }
6779 }
6780
6781 static r_refdef_scene_type_t r_currentscenetype = RST_CLIENT;
6782 static r_refdef_scene_t r_scenes_store[ RST_COUNT ];
6783 /*
6784 ================
6785 R_SelectScene
6786 ================
6787 */
6788 void R_SelectScene( r_refdef_scene_type_t scenetype ) {
6789         if( scenetype != r_currentscenetype ) {
6790                 // store the old scenetype
6791                 r_scenes_store[ r_currentscenetype ] = r_refdef.scene;
6792                 r_currentscenetype = scenetype;
6793                 // move in the new scene
6794                 r_refdef.scene = r_scenes_store[ r_currentscenetype ];
6795         }
6796 }
6797
6798 /*
6799 ================
6800 R_GetScenePointer
6801 ================
6802 */
6803 r_refdef_scene_t * R_GetScenePointer( r_refdef_scene_type_t scenetype )
6804 {
6805         // of course, we could also add a qboolean that provides a lock state and a ReleaseScenePointer function..
6806         if( scenetype == r_currentscenetype ) {
6807                 return &r_refdef.scene;
6808         } else {
6809                 return &r_scenes_store[ scenetype ];
6810         }
6811 }
6812
6813 int R_SortEntities_Compare(const void *ap, const void *bp)
6814 {
6815         const entity_render_t *a = *(const entity_render_t **)ap;
6816         const entity_render_t *b = *(const entity_render_t **)bp;
6817
6818         // 1. compare model
6819         if(a->model < b->model)
6820                 return -1;
6821         if(a->model > b->model)
6822                 return +1;
6823
6824         // 2. compare skin
6825         // TODO possibly calculate the REAL skinnum here first using
6826         // skinscenes?
6827         if(a->skinnum < b->skinnum)
6828                 return -1;
6829         if(a->skinnum > b->skinnum)
6830                 return +1;
6831
6832         // everything we compared is equal
6833         return 0;
6834 }
6835 void R_SortEntities(void)
6836 {
6837         // below or equal 2 ents, sorting never gains anything
6838         if(r_refdef.scene.numentities <= 2)
6839                 return;
6840         // sort
6841         qsort(r_refdef.scene.entities, r_refdef.scene.numentities, sizeof(*r_refdef.scene.entities), R_SortEntities_Compare);
6842 }
6843
6844 /*
6845 ================
6846 R_RenderView
6847 ================
6848 */
6849 int dpsoftrast_test;
6850 extern void R_Shadow_UpdateBounceGridTexture(void);
6851 extern cvar_t r_shadow_bouncegrid;
6852 void R_RenderView(void)
6853 {
6854         matrix4x4_t originalmatrix = r_refdef.view.matrix, offsetmatrix;
6855         int fbo;
6856         rtexture_t *depthtexture;
6857         rtexture_t *colortexture;
6858
6859         dpsoftrast_test = r_test.integer;
6860
6861         if (r_timereport_active)
6862                 R_TimeReport("start");
6863         r_textureframe++; // used only by R_GetCurrentTexture
6864         rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity
6865
6866         if(R_CompileShader_CheckStaticParms())
6867                 R_GLSL_Restart_f();
6868
6869         if (!r_drawentities.integer)
6870                 r_refdef.scene.numentities = 0;
6871         else if (r_sortentities.integer)
6872                 R_SortEntities();
6873
6874         R_AnimCache_ClearCache();
6875         R_FrameData_NewFrame();
6876
6877         /* adjust for stereo display */
6878         if(R_Stereo_Active())
6879         {
6880                 Matrix4x4_CreateFromQuakeEntity(&offsetmatrix, 0, r_stereo_separation.value * (0.5f - r_stereo_side), 0, 0, r_stereo_angle.value * (0.5f - r_stereo_side), 0, 1);
6881                 Matrix4x4_Concat(&r_refdef.view.matrix, &originalmatrix, &offsetmatrix);
6882         }
6883
6884         if (r_refdef.view.isoverlay)
6885         {
6886                 // TODO: FIXME: move this into its own backend function maybe? [2/5/2008 Andreas]
6887                 R_Mesh_SetRenderTargets(0, NULL, NULL, NULL, NULL, NULL);
6888                 GL_Clear(GL_DEPTH_BUFFER_BIT, NULL, 1.0f, 0);
6889                 R_TimeReport("depthclear");
6890
6891                 r_refdef.view.showdebug = false;
6892
6893                 r_fb.water.enabled = false;
6894                 r_fb.water.numwaterplanes = 0;
6895
6896                 R_RenderScene(0, NULL, NULL);
6897
6898                 r_refdef.view.matrix = originalmatrix;
6899
6900                 CHECKGLERROR
6901                 return;
6902         }
6903
6904         if (!r_refdef.scene.entities || r_refdef.view.width * r_refdef.view.height == 0 || !r_renderview.integer || cl_videoplaying/* || !r_refdef.scene.worldmodel*/)
6905         {
6906                 r_refdef.view.matrix = originalmatrix;
6907                 return; //Host_Error ("R_RenderView: NULL worldmodel");
6908         }
6909
6910         r_refdef.view.colorscale = r_hdr_scenebrightness.value * r_hdr_irisadaptation_value.value;
6911
6912         R_RenderView_UpdateViewVectors();
6913
6914         R_Shadow_UpdateWorldLightSelection();
6915
6916         R_Bloom_StartFrame();
6917         R_Water_StartFrame();
6918
6919         // now we probably have an fbo to render into
6920         fbo = r_fb.fbo;
6921         depthtexture = r_fb.depthtexture;
6922         colortexture = r_fb.colortexture;
6923
6924         CHECKGLERROR
6925         if (r_timereport_active)
6926                 R_TimeReport("viewsetup");
6927
6928         R_ResetViewRendering3D(fbo, depthtexture, colortexture);
6929
6930         if (r_refdef.view.clear || r_refdef.fogenabled || fbo)
6931         {
6932                 R_ClearScreen(r_refdef.fogenabled);
6933                 if (r_timereport_active)
6934                         R_TimeReport("viewclear");
6935         }
6936         r_refdef.view.clear = true;
6937
6938         r_refdef.view.showdebug = true;
6939
6940         R_View_Update();
6941         if (r_timereport_active)
6942                 R_TimeReport("visibility");
6943
6944         R_Shadow_UpdateBounceGridTexture();
6945         if (r_timereport_active && r_shadow_bouncegrid.integer)
6946                 R_TimeReport("bouncegrid");
6947
6948         r_fb.water.numwaterplanes = 0;
6949         if (r_fb.water.enabled)
6950                 R_RenderWaterPlanes(fbo, depthtexture, colortexture);
6951
6952         R_RenderScene(fbo, depthtexture, colortexture);
6953         r_fb.water.numwaterplanes = 0;
6954
6955         R_BlendView(fbo, depthtexture, colortexture);
6956         if (r_timereport_active)
6957                 R_TimeReport("blendview");
6958
6959         GL_Scissor(0, 0, vid.width, vid.height);
6960         GL_ScissorTest(false);
6961
6962         r_refdef.view.matrix = originalmatrix;
6963
6964         CHECKGLERROR
6965 }
6966
6967 void R_RenderWaterPlanes(int fbo, rtexture_t *depthtexture, rtexture_t *colortexture)
6968 {
6969         if (cl.csqc_vidvars.drawworld && r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->DrawAddWaterPlanes)
6970         {
6971                 r_refdef.scene.worldmodel->DrawAddWaterPlanes(r_refdef.scene.worldentity);
6972                 if (r_timereport_active)
6973                         R_TimeReport("waterworld");
6974         }
6975
6976         // don't let sound skip if going slow
6977         if (r_refdef.scene.extraupdate)
6978                 S_ExtraUpdate ();
6979
6980         R_DrawModelsAddWaterPlanes();
6981         if (r_timereport_active)
6982                 R_TimeReport("watermodels");
6983
6984         if (r_fb.water.numwaterplanes)
6985         {
6986                 R_Water_ProcessPlanes(fbo, depthtexture, colortexture);
6987                 if (r_timereport_active)
6988                         R_TimeReport("waterscenes");
6989         }
6990 }
6991
6992 extern void R_DrawLightningBeams (void);
6993 extern void VM_CL_AddPolygonsToMeshQueue (void);
6994 extern void R_DrawPortals (void);
6995 extern cvar_t cl_locs_show;
6996 static void R_DrawLocs(void);
6997 static void R_DrawEntityBBoxes(void);
6998 static void R_DrawModelDecals(void);
6999 extern cvar_t cl_decals_newsystem;
7000 extern qboolean r_shadow_usingdeferredprepass;
7001 void R_RenderScene(int fbo, rtexture_t *depthtexture, rtexture_t *colortexture)
7002 {
7003         qboolean shadowmapping = false;
7004
7005         if (r_timereport_active)
7006                 R_TimeReport("beginscene");
7007
7008         r_refdef.stats.renders++;
7009
7010         R_UpdateFog();
7011
7012         // don't let sound skip if going slow
7013         if (r_refdef.scene.extraupdate)
7014                 S_ExtraUpdate ();
7015
7016         R_MeshQueue_BeginScene();
7017
7018         R_SkyStartFrame();
7019
7020         Matrix4x4_CreateTranslate(&r_waterscrollmatrix, sin(r_refdef.scene.time) * 0.025 * r_waterscroll.value, sin(r_refdef.scene.time * 0.8f) * 0.025 * r_waterscroll.value, 0);
7021
7022         if (r_timereport_active)
7023                 R_TimeReport("skystartframe");
7024
7025         if (cl.csqc_vidvars.drawworld)
7026         {
7027                 // don't let sound skip if going slow
7028                 if (r_refdef.scene.extraupdate)
7029                         S_ExtraUpdate ();
7030
7031                 if (r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->DrawSky)
7032                 {
7033                         r_refdef.scene.worldmodel->DrawSky(r_refdef.scene.worldentity);
7034                         if (r_timereport_active)
7035                                 R_TimeReport("worldsky");
7036                 }
7037
7038                 if (R_DrawBrushModelsSky() && r_timereport_active)
7039                         R_TimeReport("bmodelsky");
7040
7041                 if (skyrendermasked && skyrenderlater)
7042                 {
7043                         // we have to force off the water clipping plane while rendering sky
7044                         R_SetupView(false, fbo, depthtexture, colortexture);
7045                         R_Sky();
7046                         R_SetupView(true, fbo, depthtexture, colortexture);
7047                         if (r_timereport_active)
7048                                 R_TimeReport("sky");
7049                 }
7050         }
7051
7052         R_Shadow_PrepareLights(fbo, depthtexture, colortexture);
7053         if (r_shadows.integer > 0 && r_refdef.lightmapintensity > 0)
7054                 R_Shadow_PrepareModelShadows();
7055         if (r_timereport_active)
7056                 R_TimeReport("preparelights");
7057
7058         if (R_Shadow_ShadowMappingEnabled())
7059                 shadowmapping = true;
7060
7061         if (r_shadow_usingdeferredprepass)
7062                 R_Shadow_DrawPrepass();
7063
7064         if (r_depthfirst.integer >= 1 && cl.csqc_vidvars.drawworld && r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->DrawDepth)
7065         {
7066                 r_refdef.scene.worldmodel->DrawDepth(r_refdef.scene.worldentity);
7067                 if (r_timereport_active)
7068                         R_TimeReport("worlddepth");
7069         }
7070         if (r_depthfirst.integer >= 2)
7071         {
7072                 R_DrawModelsDepth();
7073                 if (r_timereport_active)
7074                         R_TimeReport("modeldepth");
7075         }
7076
7077         if (r_shadows.integer >= 2 && shadowmapping && r_refdef.lightmapintensity > 0)
7078         {
7079                 R_ResetViewRendering3D(fbo, depthtexture, colortexture);
7080                 R_DrawModelShadowMaps(fbo, depthtexture, colortexture);
7081                 R_ResetViewRendering3D(fbo, depthtexture, colortexture);
7082                 // don't let sound skip if going slow
7083                 if (r_refdef.scene.extraupdate)
7084                         S_ExtraUpdate ();
7085         }
7086
7087         if (cl.csqc_vidvars.drawworld && r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->Draw)
7088         {
7089                 r_refdef.scene.worldmodel->Draw(r_refdef.scene.worldentity);
7090                 if (r_timereport_active)
7091                         R_TimeReport("world");
7092         }
7093
7094         // don't let sound skip if going slow
7095         if (r_refdef.scene.extraupdate)
7096                 S_ExtraUpdate ();
7097
7098         R_DrawModels();
7099         if (r_timereport_active)
7100                 R_TimeReport("models");
7101
7102         // don't let sound skip if going slow
7103         if (r_refdef.scene.extraupdate)
7104                 S_ExtraUpdate ();
7105
7106         if ((r_shadows.integer == 1 || (r_shadows.integer > 0 && !shadowmapping)) && !r_shadows_drawafterrtlighting.integer && r_refdef.lightmapintensity > 0)
7107         {
7108                 R_ResetViewRendering3D(fbo, depthtexture, colortexture);
7109                 R_DrawModelShadows(fbo, depthtexture, colortexture);
7110                 R_ResetViewRendering3D(fbo, depthtexture, colortexture);
7111                 // don't let sound skip if going slow
7112                 if (r_refdef.scene.extraupdate)
7113                         S_ExtraUpdate ();
7114         }
7115
7116         if (!r_shadow_usingdeferredprepass)
7117         {
7118                 R_Shadow_DrawLights();
7119                 if (r_timereport_active)
7120                         R_TimeReport("rtlights");
7121         }
7122
7123         // don't let sound skip if going slow
7124         if (r_refdef.scene.extraupdate)
7125                 S_ExtraUpdate ();
7126
7127         if ((r_shadows.integer == 1 || (r_shadows.integer > 0 && !shadowmapping)) && r_shadows_drawafterrtlighting.integer && r_refdef.lightmapintensity > 0)
7128         {
7129                 R_ResetViewRendering3D(fbo, depthtexture, colortexture);
7130                 R_DrawModelShadows(fbo, depthtexture, colortexture);
7131                 R_ResetViewRendering3D(fbo, depthtexture, colortexture);
7132                 // don't let sound skip if going slow
7133                 if (r_refdef.scene.extraupdate)
7134                         S_ExtraUpdate ();
7135         }
7136
7137         if (cl.csqc_vidvars.drawworld)
7138         {
7139                 if (cl_decals_newsystem.integer)
7140                 {
7141                         R_DrawModelDecals();
7142                         if (r_timereport_active)
7143                                 R_TimeReport("modeldecals");
7144                 }
7145                 else
7146                 {
7147                         R_DrawDecals();
7148                         if (r_timereport_active)
7149                                 R_TimeReport("decals");
7150                 }
7151
7152                 R_DrawParticles();
7153                 if (r_timereport_active)
7154                         R_TimeReport("particles");
7155
7156                 R_DrawExplosions();
7157                 if (r_timereport_active)
7158                         R_TimeReport("explosions");
7159
7160                 R_DrawLightningBeams();
7161                 if (r_timereport_active)
7162                         R_TimeReport("lightning");
7163         }
7164
7165         VM_CL_AddPolygonsToMeshQueue();
7166
7167         if (r_refdef.view.showdebug)
7168         {
7169                 if (cl_locs_show.integer)
7170                 {
7171                         R_DrawLocs();
7172                         if (r_timereport_active)
7173                                 R_TimeReport("showlocs");
7174                 }
7175
7176                 if (r_drawportals.integer)
7177                 {
7178                         R_DrawPortals();
7179                         if (r_timereport_active)
7180                                 R_TimeReport("portals");
7181                 }
7182
7183                 if (r_showbboxes.value > 0)
7184                 {
7185                         R_DrawEntityBBoxes();
7186                         if (r_timereport_active)
7187                                 R_TimeReport("bboxes");
7188                 }
7189         }
7190
7191         if (r_transparent.integer)
7192         {
7193                 R_MeshQueue_RenderTransparent();
7194                 if (r_timereport_active)
7195                         R_TimeReport("drawtrans");
7196         }
7197
7198         if (r_refdef.view.showdebug && r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->DrawDebug && (r_showtris.value > 0 || r_shownormals.value != 0 || r_showcollisionbrushes.value > 0 || r_showoverdraw.value > 0))
7199         {
7200                 r_refdef.scene.worldmodel->DrawDebug(r_refdef.scene.worldentity);
7201                 if (r_timereport_active)
7202                         R_TimeReport("worlddebug");
7203                 R_DrawModelsDebug();
7204                 if (r_timereport_active)
7205                         R_TimeReport("modeldebug");
7206         }
7207
7208         if (cl.csqc_vidvars.drawworld)
7209         {
7210                 R_Shadow_DrawCoronas();
7211                 if (r_timereport_active)
7212                         R_TimeReport("coronas");
7213         }
7214
7215 #if 0
7216         {
7217                 GL_DepthTest(false);
7218                 qglPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
7219                 GL_Color(1, 1, 1, 1);
7220                 qglBegin(GL_POLYGON);
7221                 qglVertex3f(r_refdef.view.frustumcorner[0][0], r_refdef.view.frustumcorner[0][1], r_refdef.view.frustumcorner[0][2]);
7222                 qglVertex3f(r_refdef.view.frustumcorner[1][0], r_refdef.view.frustumcorner[1][1], r_refdef.view.frustumcorner[1][2]);
7223                 qglVertex3f(r_refdef.view.frustumcorner[3][0], r_refdef.view.frustumcorner[3][1], r_refdef.view.frustumcorner[3][2]);
7224                 qglVertex3f(r_refdef.view.frustumcorner[2][0], r_refdef.view.frustumcorner[2][1], r_refdef.view.frustumcorner[2][2]);
7225                 qglEnd();
7226                 qglBegin(GL_POLYGON);
7227                 qglVertex3f(r_refdef.view.frustumcorner[0][0] + 1000 * r_refdef.view.forward[0], r_refdef.view.frustumcorner[0][1] + 1000 * r_refdef.view.forward[1], r_refdef.view.frustumcorner[0][2] + 1000 * r_refdef.view.forward[2]);
7228                 qglVertex3f(r_refdef.view.frustumcorner[1][0] + 1000 * r_refdef.view.forward[0], r_refdef.view.frustumcorner[1][1] + 1000 * r_refdef.view.forward[1], r_refdef.view.frustumcorner[1][2] + 1000 * r_refdef.view.forward[2]);
7229                 qglVertex3f(r_refdef.view.frustumcorner[3][0] + 1000 * r_refdef.view.forward[0], r_refdef.view.frustumcorner[3][1] + 1000 * r_refdef.view.forward[1], r_refdef.view.frustumcorner[3][2] + 1000 * r_refdef.view.forward[2]);
7230                 qglVertex3f(r_refdef.view.frustumcorner[2][0] + 1000 * r_refdef.view.forward[0], r_refdef.view.frustumcorner[2][1] + 1000 * r_refdef.view.forward[1], r_refdef.view.frustumcorner[2][2] + 1000 * r_refdef.view.forward[2]);
7231                 qglEnd();
7232                 qglPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
7233         }
7234 #endif
7235
7236         // don't let sound skip if going slow
7237         if (r_refdef.scene.extraupdate)
7238                 S_ExtraUpdate ();
7239 }
7240
7241 static const unsigned short bboxelements[36] =
7242 {
7243         5, 1, 3, 5, 3, 7,
7244         6, 2, 0, 6, 0, 4,
7245         7, 3, 2, 7, 2, 6,
7246         4, 0, 1, 4, 1, 5,
7247         4, 5, 7, 4, 7, 6,
7248         1, 0, 2, 1, 2, 3,
7249 };
7250
7251 void R_DrawBBoxMesh(vec3_t mins, vec3_t maxs, float cr, float cg, float cb, float ca)
7252 {
7253         int i;
7254         float *v, *c, f1, f2, vertex3f[8*3], color4f[8*4];
7255
7256         RSurf_ActiveWorldEntity();
7257
7258         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
7259         GL_DepthMask(false);
7260         GL_DepthRange(0, 1);
7261         GL_PolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);
7262 //      R_Mesh_ResetTextureState();
7263
7264         vertex3f[ 0] = mins[0];vertex3f[ 1] = mins[1];vertex3f[ 2] = mins[2]; //
7265         vertex3f[ 3] = maxs[0];vertex3f[ 4] = mins[1];vertex3f[ 5] = mins[2];
7266         vertex3f[ 6] = mins[0];vertex3f[ 7] = maxs[1];vertex3f[ 8] = mins[2];
7267         vertex3f[ 9] = maxs[0];vertex3f[10] = maxs[1];vertex3f[11] = mins[2];
7268         vertex3f[12] = mins[0];vertex3f[13] = mins[1];vertex3f[14] = maxs[2];
7269         vertex3f[15] = maxs[0];vertex3f[16] = mins[1];vertex3f[17] = maxs[2];
7270         vertex3f[18] = mins[0];vertex3f[19] = maxs[1];vertex3f[20] = maxs[2];
7271         vertex3f[21] = maxs[0];vertex3f[22] = maxs[1];vertex3f[23] = maxs[2];
7272         R_FillColors(color4f, 8, cr, cg, cb, ca);
7273         if (r_refdef.fogenabled)
7274         {
7275                 for (i = 0, v = vertex3f, c = color4f;i < 8;i++, v += 3, c += 4)
7276                 {
7277                         f1 = RSurf_FogVertex(v);
7278                         f2 = 1 - f1;
7279                         c[0] = c[0] * f1 + r_refdef.fogcolor[0] * f2;
7280                         c[1] = c[1] * f1 + r_refdef.fogcolor[1] * f2;
7281                         c[2] = c[2] * f1 + r_refdef.fogcolor[2] * f2;
7282                 }
7283         }
7284         R_Mesh_PrepareVertices_Generic_Arrays(8, vertex3f, color4f, NULL);
7285         R_Mesh_ResetTextureState();
7286         R_SetupShader_Generic_NoTexture(false, false);
7287         R_Mesh_Draw(0, 8, 0, 12, NULL, NULL, 0, bboxelements, NULL, 0);
7288 }
7289
7290 static void R_DrawEntityBBoxes_Callback(const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist)
7291 {
7292         int i;
7293         float color[4];
7294         prvm_edict_t *edict;
7295         prvm_prog_t *prog_save = prog;
7296
7297         // this function draws bounding boxes of server entities
7298         if (!sv.active)
7299                 return;
7300
7301         GL_CullFace(GL_NONE);
7302         R_SetupShader_Generic_NoTexture(false, false);
7303
7304         prog = 0;
7305         SV_VM_Begin();
7306         for (i = 0;i < numsurfaces;i++)
7307         {
7308                 edict = PRVM_EDICT_NUM(surfacelist[i]);
7309                 switch ((int)PRVM_serveredictfloat(edict, solid))
7310                 {
7311                         case SOLID_NOT:      Vector4Set(color, 1, 1, 1, 0.05);break;
7312                         case SOLID_TRIGGER:  Vector4Set(color, 1, 0, 1, 0.10);break;
7313                         case SOLID_BBOX:     Vector4Set(color, 0, 1, 0, 0.10);break;
7314                         case SOLID_SLIDEBOX: Vector4Set(color, 1, 0, 0, 0.10);break;
7315                         case SOLID_BSP:      Vector4Set(color, 0, 0, 1, 0.05);break;
7316                         default:             Vector4Set(color, 0, 0, 0, 0.50);break;
7317                 }
7318                 color[3] *= r_showbboxes.value;
7319                 color[3] = bound(0, color[3], 1);
7320                 GL_DepthTest(!r_showdisabledepthtest.integer);
7321                 GL_CullFace(r_refdef.view.cullface_front);
7322                 R_DrawBBoxMesh(edict->priv.server->areamins, edict->priv.server->areamaxs, color[0], color[1], color[2], color[3]);
7323         }
7324         SV_VM_End();
7325         prog = prog_save;
7326 }
7327
7328 static void R_DrawEntityBBoxes(void)
7329 {
7330         int i;
7331         prvm_edict_t *edict;
7332         vec3_t center;
7333         prvm_prog_t *prog_save = prog;
7334
7335         // this function draws bounding boxes of server entities
7336         if (!sv.active)
7337                 return;
7338
7339         prog = 0;
7340         SV_VM_Begin();
7341         for (i = 0;i < prog->num_edicts;i++)
7342         {
7343                 edict = PRVM_EDICT_NUM(i);
7344                 if (edict->priv.server->free)
7345                         continue;
7346                 // exclude the following for now, as they don't live in world coordinate space and can't be solid:
7347                 if(PRVM_serveredictedict(edict, tag_entity) != 0)
7348                         continue;
7349                 if(PRVM_serveredictedict(edict, viewmodelforclient) != 0)
7350                         continue;
7351                 VectorLerp(edict->priv.server->areamins, 0.5f, edict->priv.server->areamaxs, center);
7352                 R_MeshQueue_AddTransparent(center, R_DrawEntityBBoxes_Callback, (entity_render_t *)NULL, i, (rtlight_t *)NULL);
7353         }
7354         SV_VM_End();
7355         prog = prog_save;
7356 }
7357
7358 static const int nomodelelement3i[24] =
7359 {
7360         5, 2, 0,
7361         5, 1, 2,
7362         5, 0, 3,
7363         5, 3, 1,
7364         0, 2, 4,
7365         2, 1, 4,
7366         3, 0, 4,
7367         1, 3, 4
7368 };
7369
7370 static const unsigned short nomodelelement3s[24] =
7371 {
7372         5, 2, 0,
7373         5, 1, 2,
7374         5, 0, 3,
7375         5, 3, 1,
7376         0, 2, 4,
7377         2, 1, 4,
7378         3, 0, 4,
7379         1, 3, 4
7380 };
7381
7382 static const float nomodelvertex3f[6*3] =
7383 {
7384         -16,   0,   0,
7385          16,   0,   0,
7386           0, -16,   0,
7387           0,  16,   0,
7388           0,   0, -16,
7389           0,   0,  16
7390 };
7391
7392 static const float nomodelcolor4f[6*4] =
7393 {
7394         0.0f, 0.0f, 0.5f, 1.0f,
7395         0.0f, 0.0f, 0.5f, 1.0f,
7396         0.0f, 0.5f, 0.0f, 1.0f,
7397         0.0f, 0.5f, 0.0f, 1.0f,
7398         0.5f, 0.0f, 0.0f, 1.0f,
7399         0.5f, 0.0f, 0.0f, 1.0f
7400 };
7401
7402 void R_DrawNoModel_TransparentCallback(const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist)
7403 {
7404         int i;
7405         float f1, f2, *c;
7406         float color4f[6*4];
7407
7408         RSurf_ActiveCustomEntity(&ent->matrix, &ent->inversematrix, ent->flags, ent->shadertime, ent->colormod[0], ent->colormod[1], ent->colormod[2], ent->alpha, 6, nomodelvertex3f, NULL, NULL, NULL, NULL, nomodelcolor4f, 8, nomodelelement3i, nomodelelement3s, false, false);
7409
7410         // this is only called once per entity so numsurfaces is always 1, and
7411         // surfacelist is always {0}, so this code does not handle batches
7412
7413         if (rsurface.ent_flags & RENDER_ADDITIVE)
7414         {
7415                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
7416                 GL_DepthMask(false);
7417         }
7418         else if (rsurface.colormod[3] < 1)
7419         {
7420                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
7421                 GL_DepthMask(false);
7422         }
7423         else
7424         {
7425                 GL_BlendFunc(GL_ONE, GL_ZERO);
7426                 GL_DepthMask(true);
7427         }
7428         GL_DepthRange(0, (rsurface.ent_flags & RENDER_VIEWMODEL) ? 0.0625 : 1);
7429         GL_PolygonOffset(rsurface.basepolygonfactor, rsurface.basepolygonoffset);
7430         GL_DepthTest(!(rsurface.ent_flags & RENDER_NODEPTHTEST));
7431         GL_CullFace((rsurface.ent_flags & RENDER_DOUBLESIDED) ? GL_NONE : r_refdef.view.cullface_back);
7432         memcpy(color4f, nomodelcolor4f, sizeof(float[6*4]));
7433         for (i = 0, c = color4f;i < 6;i++, c += 4)
7434         {
7435                 c[0] *= rsurface.colormod[0];
7436                 c[1] *= rsurface.colormod[1];
7437                 c[2] *= rsurface.colormod[2];
7438                 c[3] *= rsurface.colormod[3];
7439         }
7440         if (r_refdef.fogenabled)
7441         {
7442                 for (i = 0, c = color4f;i < 6;i++, c += 4)
7443                 {
7444                         f1 = RSurf_FogVertex(nomodelvertex3f + 3*i);
7445                         f2 = 1 - f1;
7446                         c[0] = (c[0] * f1 + r_refdef.fogcolor[0] * f2);
7447                         c[1] = (c[1] * f1 + r_refdef.fogcolor[1] * f2);
7448                         c[2] = (c[2] * f1 + r_refdef.fogcolor[2] * f2);
7449                 }
7450         }
7451 //      R_Mesh_ResetTextureState();
7452         R_SetupShader_Generic_NoTexture(false, false);
7453         R_Mesh_PrepareVertices_Generic_Arrays(6, nomodelvertex3f, color4f, NULL);
7454         R_Mesh_Draw(0, 6, 0, 8, nomodelelement3i, NULL, 0, nomodelelement3s, NULL, 0);
7455 }
7456
7457 void R_DrawNoModel(entity_render_t *ent)
7458 {
7459         vec3_t org;
7460         Matrix4x4_OriginFromMatrix(&ent->matrix, org);
7461         if ((ent->flags & RENDER_ADDITIVE) || (ent->alpha < 1))
7462                 R_MeshQueue_AddTransparent(ent->flags & RENDER_NODEPTHTEST ? r_refdef.view.origin : org, R_DrawNoModel_TransparentCallback, ent, 0, rsurface.rtlight);
7463         else
7464                 R_DrawNoModel_TransparentCallback(ent, rsurface.rtlight, 0, NULL);
7465 }
7466
7467 void R_CalcBeam_Vertex3f (float *vert, const vec3_t org1, const vec3_t org2, float width)
7468 {
7469         vec3_t right1, right2, diff, normal;
7470
7471         VectorSubtract (org2, org1, normal);
7472
7473         // calculate 'right' vector for start
7474         VectorSubtract (r_refdef.view.origin, org1, diff);
7475         CrossProduct (normal, diff, right1);
7476         VectorNormalize (right1);
7477
7478         // calculate 'right' vector for end
7479         VectorSubtract (r_refdef.view.origin, org2, diff);
7480         CrossProduct (normal, diff, right2);
7481         VectorNormalize (right2);
7482
7483         vert[ 0] = org1[0] + width * right1[0];
7484         vert[ 1] = org1[1] + width * right1[1];
7485         vert[ 2] = org1[2] + width * right1[2];
7486         vert[ 3] = org1[0] - width * right1[0];
7487         vert[ 4] = org1[1] - width * right1[1];
7488         vert[ 5] = org1[2] - width * right1[2];
7489         vert[ 6] = org2[0] - width * right2[0];
7490         vert[ 7] = org2[1] - width * right2[1];
7491         vert[ 8] = org2[2] - width * right2[2];
7492         vert[ 9] = org2[0] + width * right2[0];
7493         vert[10] = org2[1] + width * right2[1];
7494         vert[11] = org2[2] + width * right2[2];
7495 }
7496
7497 void R_CalcSprite_Vertex3f(float *vertex3f, const vec3_t origin, const vec3_t left, const vec3_t up, float scalex1, float scalex2, float scaley1, float scaley2)
7498 {
7499         vertex3f[ 0] = origin[0] + left[0] * scalex2 + up[0] * scaley1;
7500         vertex3f[ 1] = origin[1] + left[1] * scalex2 + up[1] * scaley1;
7501         vertex3f[ 2] = origin[2] + left[2] * scalex2 + up[2] * scaley1;
7502         vertex3f[ 3] = origin[0] + left[0] * scalex2 + up[0] * scaley2;
7503         vertex3f[ 4] = origin[1] + left[1] * scalex2 + up[1] * scaley2;
7504         vertex3f[ 5] = origin[2] + left[2] * scalex2 + up[2] * scaley2;
7505         vertex3f[ 6] = origin[0] + left[0] * scalex1 + up[0] * scaley2;
7506         vertex3f[ 7] = origin[1] + left[1] * scalex1 + up[1] * scaley2;
7507         vertex3f[ 8] = origin[2] + left[2] * scalex1 + up[2] * scaley2;
7508         vertex3f[ 9] = origin[0] + left[0] * scalex1 + up[0] * scaley1;
7509         vertex3f[10] = origin[1] + left[1] * scalex1 + up[1] * scaley1;
7510         vertex3f[11] = origin[2] + left[2] * scalex1 + up[2] * scaley1;
7511 }
7512
7513 int R_Mesh_AddVertex(rmesh_t *mesh, float x, float y, float z)
7514 {
7515         int i;
7516         float *vertex3f;
7517         float v[3];
7518         VectorSet(v, x, y, z);
7519         for (i = 0, vertex3f = mesh->vertex3f;i < mesh->numvertices;i++, vertex3f += 3)
7520                 if (VectorDistance2(v, vertex3f) < mesh->epsilon2)
7521                         break;
7522         if (i == mesh->numvertices)
7523         {
7524                 if (mesh->numvertices < mesh->maxvertices)
7525                 {
7526                         VectorCopy(v, vertex3f);
7527                         mesh->numvertices++;
7528                 }
7529                 return mesh->numvertices;
7530         }
7531         else
7532                 return i;
7533 }
7534
7535 void R_Mesh_AddPolygon3f(rmesh_t *mesh, int numvertices, float *vertex3f)
7536 {
7537         int i;
7538         int *e, element[3];
7539         element[0] = R_Mesh_AddVertex(mesh, vertex3f[0], vertex3f[1], vertex3f[2]);vertex3f += 3;
7540         element[1] = R_Mesh_AddVertex(mesh, vertex3f[0], vertex3f[1], vertex3f[2]);vertex3f += 3;
7541         e = mesh->element3i + mesh->numtriangles * 3;
7542         for (i = 0;i < numvertices - 2;i++, vertex3f += 3)
7543         {
7544                 element[2] = R_Mesh_AddVertex(mesh, vertex3f[0], vertex3f[1], vertex3f[2]);
7545                 if (mesh->numtriangles < mesh->maxtriangles)
7546                 {
7547                         *e++ = element[0];
7548                         *e++ = element[1];
7549                         *e++ = element[2];
7550                         mesh->numtriangles++;
7551                 }
7552                 element[1] = element[2];
7553         }
7554 }
7555
7556 void R_Mesh_AddPolygon3d(rmesh_t *mesh, int numvertices, double *vertex3d)
7557 {
7558         int i;
7559         int *e, element[3];
7560         element[0] = R_Mesh_AddVertex(mesh, vertex3d[0], vertex3d[1], vertex3d[2]);vertex3d += 3;
7561         element[1] = R_Mesh_AddVertex(mesh, vertex3d[0], vertex3d[1], vertex3d[2]);vertex3d += 3;
7562         e = mesh->element3i + mesh->numtriangles * 3;
7563         for (i = 0;i < numvertices - 2;i++, vertex3d += 3)
7564         {
7565                 element[2] = R_Mesh_AddVertex(mesh, vertex3d[0], vertex3d[1], vertex3d[2]);
7566                 if (mesh->numtriangles < mesh->maxtriangles)
7567                 {
7568                         *e++ = element[0];
7569                         *e++ = element[1];
7570                         *e++ = element[2];
7571                         mesh->numtriangles++;
7572                 }
7573                 element[1] = element[2];
7574         }
7575 }
7576
7577 #define R_MESH_PLANE_DIST_EPSILON (1.0 / 32.0)
7578 void R_Mesh_AddBrushMeshFromPlanes(rmesh_t *mesh, int numplanes, mplane_t *planes)
7579 {
7580         int planenum, planenum2;
7581         int w;
7582         int tempnumpoints;
7583         mplane_t *plane, *plane2;
7584         double maxdist;
7585         double temppoints[2][256*3];
7586         // figure out how large a bounding box we need to properly compute this brush
7587         maxdist = 0;
7588         for (w = 0;w < numplanes;w++)
7589                 maxdist = max(maxdist, fabs(planes[w].dist));
7590         // now make it large enough to enclose the entire brush, and round it off to a reasonable multiple of 1024
7591         maxdist = floor(maxdist * (4.0 / 1024.0) + 1) * 1024.0;
7592         for (planenum = 0, plane = planes;planenum < numplanes;planenum++, plane++)
7593         {
7594                 w = 0;
7595                 tempnumpoints = 4;
7596                 PolygonD_QuadForPlane(temppoints[w], plane->normal[0], plane->normal[1], plane->normal[2], plane->dist, maxdist);
7597                 for (planenum2 = 0, plane2 = planes;planenum2 < numplanes && tempnumpoints >= 3;planenum2++, plane2++)
7598                 {
7599                         if (planenum2 == planenum)
7600                                 continue;
7601                         PolygonD_Divide(tempnumpoints, temppoints[w], plane2->normal[0], plane2->normal[1], plane2->normal[2], plane2->dist, R_MESH_PLANE_DIST_EPSILON, 0, NULL, NULL, 256, temppoints[!w], &tempnumpoints, NULL);
7602                         w = !w;
7603                 }
7604                 if (tempnumpoints < 3)
7605                         continue;
7606                 // generate elements forming a triangle fan for this polygon
7607                 R_Mesh_AddPolygon3d(mesh, tempnumpoints, temppoints[w]);
7608         }
7609 }
7610
7611 static void R_Texture_AddLayer(texture_t *t, qboolean depthmask, int blendfunc1, int blendfunc2, texturelayertype_t type, rtexture_t *texture, const matrix4x4_t *matrix, float r, float g, float b, float a)
7612 {
7613         texturelayer_t *layer;
7614         layer = t->currentlayers + t->currentnumlayers++;
7615         layer->type = type;
7616         layer->depthmask = depthmask;
7617         layer->blendfunc1 = blendfunc1;
7618         layer->blendfunc2 = blendfunc2;
7619         layer->texture = texture;
7620         layer->texmatrix = *matrix;
7621         layer->color[0] = r;
7622         layer->color[1] = g;
7623         layer->color[2] = b;
7624         layer->color[3] = a;
7625 }
7626
7627 static qboolean R_TestQ3WaveFunc(q3wavefunc_t func, const float *parms)
7628 {
7629         if(parms[0] == 0 && parms[1] == 0)
7630                 return false;
7631         if(func >> Q3WAVEFUNC_USER_SHIFT) // assumes rsurface to be set!
7632                 if(rsurface.userwavefunc_param[bound(0, (func >> Q3WAVEFUNC_USER_SHIFT) - 1, Q3WAVEFUNC_USER_COUNT - 1)] == 0)
7633                         return false;
7634         return true;
7635 }
7636
7637 static float R_EvaluateQ3WaveFunc(q3wavefunc_t func, const float *parms)
7638 {
7639         double index, f;
7640         index = parms[2] + rsurface.shadertime * parms[3];
7641         index -= floor(index);
7642         switch (func & ((1 << Q3WAVEFUNC_USER_SHIFT) - 1))
7643         {
7644         default:
7645         case Q3WAVEFUNC_NONE:
7646         case Q3WAVEFUNC_NOISE:
7647         case Q3WAVEFUNC_COUNT:
7648                 f = 0;
7649                 break;
7650         case Q3WAVEFUNC_SIN: f = sin(index * M_PI * 2);break;
7651         case Q3WAVEFUNC_SQUARE: f = index < 0.5 ? 1 : -1;break;
7652         case Q3WAVEFUNC_SAWTOOTH: f = index;break;
7653         case Q3WAVEFUNC_INVERSESAWTOOTH: f = 1 - index;break;
7654         case Q3WAVEFUNC_TRIANGLE:
7655                 index *= 4;
7656                 f = index - floor(index);
7657                 if (index < 1)
7658                 {
7659                         // f = f;
7660                 }
7661                 else if (index < 2)
7662                         f = 1 - f;
7663                 else if (index < 3)
7664                         f = -f;
7665                 else
7666                         f = -(1 - f);
7667                 break;
7668         }
7669         f = parms[0] + parms[1] * f;
7670         if(func >> Q3WAVEFUNC_USER_SHIFT) // assumes rsurface to be set!
7671                 f *= rsurface.userwavefunc_param[bound(0, (func >> Q3WAVEFUNC_USER_SHIFT) - 1, Q3WAVEFUNC_USER_COUNT - 1)];
7672         return (float) f;
7673 }
7674
7675 void R_tcMod_ApplyToMatrix(matrix4x4_t *texmatrix, q3shaderinfo_layer_tcmod_t *tcmod, int currentmaterialflags)
7676 {
7677         int w, h, idx;
7678         double f;
7679         double offsetd[2];
7680         float tcmat[12];
7681         matrix4x4_t matrix, temp;
7682         switch(tcmod->tcmod)
7683         {
7684                 case Q3TCMOD_COUNT:
7685                 case Q3TCMOD_NONE:
7686                         if (currentmaterialflags & MATERIALFLAG_WATERSCROLL)
7687                                 matrix = r_waterscrollmatrix;
7688                         else
7689                                 matrix = identitymatrix;
7690                         break;
7691                 case Q3TCMOD_ENTITYTRANSLATE:
7692                         // this is used in Q3 to allow the gamecode to control texcoord
7693                         // scrolling on the entity, which is not supported in darkplaces yet.
7694                         Matrix4x4_CreateTranslate(&matrix, 0, 0, 0);
7695                         break;
7696                 case Q3TCMOD_ROTATE:
7697                         f = tcmod->parms[0] * rsurface.shadertime;
7698                         Matrix4x4_CreateTranslate(&matrix, 0.5, 0.5, 0);
7699                         Matrix4x4_ConcatRotate(&matrix, (f / 360 - floor(f / 360)) * 360, 0, 0, 1);
7700                         Matrix4x4_ConcatTranslate(&matrix, -0.5, -0.5, 0);
7701                         break;
7702                 case Q3TCMOD_SCALE:
7703                         Matrix4x4_CreateScale3(&matrix, tcmod->parms[0], tcmod->parms[1], 1);
7704                         break;
7705                 case Q3TCMOD_SCROLL:
7706                         // extra care is needed because of precision breakdown with large values of time
7707                         offsetd[0] = tcmod->parms[0] * rsurface.shadertime;
7708                         offsetd[1] = tcmod->parms[1] * rsurface.shadertime;
7709                         Matrix4x4_CreateTranslate(&matrix, offsetd[0] - floor(offsetd[0]), offsetd[1] - floor(offsetd[1]), 0);
7710                         break;
7711                 case Q3TCMOD_PAGE: // poor man's animmap (to store animations into a single file, useful for HTTP downloaded textures)
7712                         w = (int) tcmod->parms[0];
7713                         h = (int) tcmod->parms[1];
7714                         f = rsurface.shadertime / (tcmod->parms[2] * w * h);
7715                         f = f - floor(f);
7716                         idx = (int) floor(f * w * h);
7717                         Matrix4x4_CreateTranslate(&matrix, (idx % w) / tcmod->parms[0], (idx / w) / tcmod->parms[1], 0);
7718                         break;
7719                 case Q3TCMOD_STRETCH:
7720                         f = 1.0f / R_EvaluateQ3WaveFunc(tcmod->wavefunc, tcmod->waveparms);
7721                         Matrix4x4_CreateFromQuakeEntity(&matrix, 0.5f * (1 - f), 0.5 * (1 - f), 0, 0, 0, 0, f);
7722                         break;
7723                 case Q3TCMOD_TRANSFORM:
7724                         VectorSet(tcmat +  0, tcmod->parms[0], tcmod->parms[1], 0);
7725                         VectorSet(tcmat +  3, tcmod->parms[2], tcmod->parms[3], 0);
7726                         VectorSet(tcmat +  6, 0                   , 0                , 1);
7727                         VectorSet(tcmat +  9, tcmod->parms[4], tcmod->parms[5], 0);
7728                         Matrix4x4_FromArray12FloatGL(&matrix, tcmat);
7729                         break;
7730                 case Q3TCMOD_TURBULENT:
7731                         // this is handled in the RSurf_PrepareVertices function
7732                         matrix = identitymatrix;
7733                         break;
7734         }
7735         temp = *texmatrix;
7736         Matrix4x4_Concat(texmatrix, &matrix, &temp);
7737 }
7738
7739 void R_LoadQWSkin(r_qwskincache_t *cache, const char *skinname)
7740 {
7741         int textureflags = (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_PICMIP;
7742         char name[MAX_QPATH];
7743         skinframe_t *skinframe;
7744         unsigned char pixels[296*194];
7745         strlcpy(cache->name, skinname, sizeof(cache->name));
7746         dpsnprintf(name, sizeof(name), "skins/%s.pcx", cache->name);
7747         if (developer_loading.integer)
7748                 Con_Printf("loading %s\n", name);
7749         skinframe = R_SkinFrame_Find(name, textureflags, 0, 0, 0, false);
7750         if (!skinframe || !skinframe->base)
7751         {
7752                 unsigned char *f;
7753                 fs_offset_t filesize;
7754                 skinframe = NULL;
7755                 f = FS_LoadFile(name, tempmempool, true, &filesize);
7756                 if (f)
7757                 {
7758                         if (LoadPCX_QWSkin(f, (int)filesize, pixels, 296, 194))
7759                                 skinframe = R_SkinFrame_LoadInternalQuake(name, textureflags, true, r_fullbrights.integer, pixels, image_width, image_height);
7760                         Mem_Free(f);
7761                 }
7762         }
7763         cache->skinframe = skinframe;
7764 }
7765
7766 texture_t *R_GetCurrentTexture(texture_t *t)
7767 {
7768         int i;
7769         const entity_render_t *ent = rsurface.entity;
7770         dp_model_t *model = ent->model;
7771         q3shaderinfo_layer_tcmod_t *tcmod;
7772
7773         if (t->update_lastrenderframe == r_textureframe && t->update_lastrenderentity == (void *)ent)
7774                 return t->currentframe;
7775         t->update_lastrenderframe = r_textureframe;
7776         t->update_lastrenderentity = (void *)ent;
7777
7778         if(ent && ent->entitynumber >= MAX_EDICTS && ent->entitynumber < 2 * MAX_EDICTS)
7779                 t->camera_entity = ent->entitynumber;
7780         else
7781                 t->camera_entity = 0;
7782
7783         // switch to an alternate material if this is a q1bsp animated material
7784         {
7785                 texture_t *texture = t;
7786                 int s = rsurface.ent_skinnum;
7787                 if ((unsigned int)s >= (unsigned int)model->numskins)
7788                         s = 0;
7789                 if (model->skinscenes)
7790                 {
7791                         if (model->skinscenes[s].framecount > 1)
7792                                 s = model->skinscenes[s].firstframe + (unsigned int) (rsurface.shadertime * model->skinscenes[s].framerate) % model->skinscenes[s].framecount;
7793                         else
7794                                 s = model->skinscenes[s].firstframe;
7795                 }
7796                 if (s > 0)
7797                         t = t + s * model->num_surfaces;
7798                 if (t->animated)
7799                 {
7800                         // use an alternate animation if the entity's frame is not 0,
7801                         // and only if the texture has an alternate animation
7802                         if (rsurface.ent_alttextures && t->anim_total[1])
7803                                 t = t->anim_frames[1][(t->anim_total[1] >= 2) ? ((int)(rsurface.shadertime * 5.0f) % t->anim_total[1]) : 0];
7804                         else
7805                                 t = t->anim_frames[0][(t->anim_total[0] >= 2) ? ((int)(rsurface.shadertime * 5.0f) % t->anim_total[0]) : 0];
7806                 }
7807                 texture->currentframe = t;
7808         }
7809
7810         // update currentskinframe to be a qw skin or animation frame
7811         if (rsurface.ent_qwskin >= 0)
7812         {
7813                 i = rsurface.ent_qwskin;
7814                 if (!r_qwskincache || r_qwskincache_size != cl.maxclients)
7815                 {
7816                         r_qwskincache_size = cl.maxclients;
7817                         if (r_qwskincache)
7818                                 Mem_Free(r_qwskincache);
7819                         r_qwskincache = (r_qwskincache_t *)Mem_Alloc(r_main_mempool, sizeof(*r_qwskincache) * r_qwskincache_size);
7820                 }
7821                 if (strcmp(r_qwskincache[i].name, cl.scores[i].qw_skin))
7822                         R_LoadQWSkin(&r_qwskincache[i], cl.scores[i].qw_skin);
7823                 t->currentskinframe = r_qwskincache[i].skinframe;
7824                 if (t->currentskinframe == NULL)
7825                         t->currentskinframe = t->skinframes[LoopingFrameNumberFromDouble(rsurface.shadertime * t->skinframerate, t->numskinframes)];
7826         }
7827         else if (t->numskinframes >= 2)
7828                 t->currentskinframe = t->skinframes[LoopingFrameNumberFromDouble(rsurface.shadertime * t->skinframerate, t->numskinframes)];
7829         if (t->backgroundnumskinframes >= 2)
7830                 t->backgroundcurrentskinframe = t->backgroundskinframes[LoopingFrameNumberFromDouble(rsurface.shadertime * t->backgroundskinframerate, t->backgroundnumskinframes)];
7831
7832         t->currentmaterialflags = t->basematerialflags;
7833         t->currentalpha = rsurface.colormod[3];
7834         if (t->basematerialflags & MATERIALFLAG_WATERALPHA && (model->brush.supportwateralpha || r_novis.integer || r_trippy.integer))
7835                 t->currentalpha *= r_wateralpha.value;
7836         if(t->basematerialflags & MATERIALFLAG_WATERSHADER && r_fb.water.enabled && !r_refdef.view.isoverlay)
7837                 t->currentmaterialflags |= MATERIALFLAG_ALPHA | MATERIALFLAG_BLENDED | MATERIALFLAG_NOSHADOW; // we apply wateralpha later
7838         if(!r_fb.water.enabled || r_refdef.view.isoverlay)
7839                 t->currentmaterialflags &= ~(MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION | MATERIALFLAG_REFLECTION | MATERIALFLAG_CAMERA);
7840         if (!(rsurface.ent_flags & RENDER_LIGHT))
7841                 t->currentmaterialflags |= MATERIALFLAG_FULLBRIGHT;
7842         else if (FAKELIGHT_ENABLED)
7843         {
7844                 // no modellight if using fakelight for the map
7845         }
7846         else if (rsurface.modeltexcoordlightmap2f == NULL && !(t->currentmaterialflags & MATERIALFLAG_FULLBRIGHT))
7847         {
7848                 // pick a model lighting mode
7849                 if (VectorLength2(rsurface.modellight_diffuse) >= (1.0f / 256.0f))
7850                         t->currentmaterialflags |= MATERIALFLAG_MODELLIGHT | MATERIALFLAG_MODELLIGHT_DIRECTIONAL;
7851                 else
7852                         t->currentmaterialflags |= MATERIALFLAG_MODELLIGHT;
7853         }
7854         if (rsurface.ent_flags & RENDER_ADDITIVE)
7855                 t->currentmaterialflags |= MATERIALFLAG_ADD | MATERIALFLAG_BLENDED | MATERIALFLAG_NOSHADOW;
7856         else if (t->currentalpha < 1)
7857                 t->currentmaterialflags |= MATERIALFLAG_ALPHA | MATERIALFLAG_BLENDED | MATERIALFLAG_NOSHADOW;
7858         // LordHavoc: prevent bugs where code checks add or alpha at higher priority than customblend by clearing these flags
7859         if (t->currentmaterialflags & MATERIALFLAG_CUSTOMBLEND)
7860                 t->currentmaterialflags &= ~(MATERIALFLAG_ADD | MATERIALFLAG_ALPHA);
7861         if (rsurface.ent_flags & RENDER_DOUBLESIDED)
7862                 t->currentmaterialflags |= MATERIALFLAG_NOSHADOW | MATERIALFLAG_NOCULLFACE;
7863         if (rsurface.ent_flags & (RENDER_NODEPTHTEST | RENDER_VIEWMODEL))
7864                 t->currentmaterialflags |= MATERIALFLAG_SHORTDEPTHRANGE;
7865         if (t->backgroundnumskinframes)
7866                 t->currentmaterialflags |= MATERIALFLAG_VERTEXTEXTUREBLEND;
7867         if (t->currentmaterialflags & MATERIALFLAG_BLENDED)
7868         {
7869                 if (t->currentmaterialflags & (MATERIALFLAG_REFRACTION | MATERIALFLAG_WATERSHADER | MATERIALFLAG_CAMERA))
7870                         t->currentmaterialflags &= ~MATERIALFLAG_BLENDED;
7871         }
7872         else
7873                 t->currentmaterialflags &= ~(MATERIALFLAG_REFRACTION | MATERIALFLAG_WATERSHADER | MATERIALFLAG_CAMERA);
7874         if (vid.allowalphatocoverage && r_transparent_alphatocoverage.integer >= 2 && ((t->currentmaterialflags & (MATERIALFLAG_BLENDED | MATERIALFLAG_ALPHA | MATERIALFLAG_ADD | MATERIALFLAG_CUSTOMBLEND)) == (MATERIALFLAG_BLENDED | MATERIALFLAG_ALPHA)))
7875         {
7876                 // promote alphablend to alphatocoverage (a type of alphatest) if antialiasing is on
7877                 t->currentmaterialflags = (t->currentmaterialflags & ~(MATERIALFLAG_BLENDED | MATERIALFLAG_ALPHA)) | MATERIALFLAG_ALPHATEST;
7878         }
7879         if ((t->currentmaterialflags & (MATERIALFLAG_BLENDED | MATERIALFLAG_NODEPTHTEST)) == MATERIALFLAG_BLENDED && r_transparentdepthmasking.integer && !(t->basematerialflags & MATERIALFLAG_BLENDED))
7880                 t->currentmaterialflags |= MATERIALFLAG_TRANSDEPTH;
7881
7882         // there is no tcmod
7883         if (t->currentmaterialflags & MATERIALFLAG_WATERSCROLL)
7884         {
7885                 t->currenttexmatrix = r_waterscrollmatrix;
7886                 t->currentbackgroundtexmatrix = r_waterscrollmatrix;
7887         }
7888         else if (!(t->currentmaterialflags & MATERIALFLAG_CUSTOMSURFACE))
7889         {
7890                 Matrix4x4_CreateIdentity(&t->currenttexmatrix);
7891                 Matrix4x4_CreateIdentity(&t->currentbackgroundtexmatrix);
7892         }
7893
7894         for (i = 0, tcmod = t->tcmods;i < Q3MAXTCMODS && tcmod->tcmod;i++, tcmod++)
7895                 R_tcMod_ApplyToMatrix(&t->currenttexmatrix, tcmod, t->currentmaterialflags);
7896         for (i = 0, tcmod = t->backgroundtcmods;i < Q3MAXTCMODS && tcmod->tcmod;i++, tcmod++)
7897                 R_tcMod_ApplyToMatrix(&t->currentbackgroundtexmatrix, tcmod, t->currentmaterialflags);
7898
7899         t->colormapping = VectorLength2(rsurface.colormap_pantscolor) + VectorLength2(rsurface.colormap_shirtcolor) >= (1.0f / 1048576.0f);
7900         if (t->currentskinframe->qpixels)
7901                 R_SkinFrame_GenerateTexturesFromQPixels(t->currentskinframe, t->colormapping);
7902         t->basetexture = (!t->colormapping && t->currentskinframe->merged) ? t->currentskinframe->merged : t->currentskinframe->base;
7903         if (!t->basetexture)
7904                 t->basetexture = r_texture_notexture;
7905         t->pantstexture = t->colormapping ? t->currentskinframe->pants : NULL;
7906         t->shirttexture = t->colormapping ? t->currentskinframe->shirt : NULL;
7907         t->nmaptexture = t->currentskinframe->nmap;
7908         if (!t->nmaptexture)
7909                 t->nmaptexture = r_texture_blanknormalmap;
7910         t->glosstexture = r_texture_black;
7911         t->glowtexture = t->currentskinframe->glow;
7912         t->fogtexture = t->currentskinframe->fog;
7913         t->reflectmasktexture = t->currentskinframe->reflect;
7914         if (t->backgroundnumskinframes)
7915         {
7916                 t->backgroundbasetexture = (!t->colormapping && t->backgroundcurrentskinframe->merged) ? t->backgroundcurrentskinframe->merged : t->backgroundcurrentskinframe->base;
7917                 t->backgroundnmaptexture = t->backgroundcurrentskinframe->nmap;
7918                 t->backgroundglosstexture = r_texture_black;
7919                 t->backgroundglowtexture = t->backgroundcurrentskinframe->glow;
7920                 if (!t->backgroundnmaptexture)
7921                         t->backgroundnmaptexture = r_texture_blanknormalmap;
7922         }
7923         else
7924         {
7925                 t->backgroundbasetexture = r_texture_white;
7926                 t->backgroundnmaptexture = r_texture_blanknormalmap;
7927                 t->backgroundglosstexture = r_texture_black;
7928                 t->backgroundglowtexture = NULL;
7929         }
7930         t->specularpower = r_shadow_glossexponent.value;
7931         // TODO: store reference values for these in the texture?
7932         t->specularscale = 0;
7933         if (r_shadow_gloss.integer > 0)
7934         {
7935                 if (t->currentskinframe->gloss || (t->backgroundcurrentskinframe && t->backgroundcurrentskinframe->gloss))
7936                 {
7937                         if (r_shadow_glossintensity.value > 0)
7938                         {
7939                                 t->glosstexture = t->currentskinframe->gloss ? t->currentskinframe->gloss : r_texture_white;
7940                                 t->backgroundglosstexture = (t->backgroundcurrentskinframe && t->backgroundcurrentskinframe->gloss) ? t->backgroundcurrentskinframe->gloss : r_texture_white;
7941                                 t->specularscale = r_shadow_glossintensity.value;
7942                         }
7943                 }
7944                 else if (r_shadow_gloss.integer >= 2 && r_shadow_gloss2intensity.value > 0)
7945                 {
7946                         t->glosstexture = r_texture_white;
7947                         t->backgroundglosstexture = r_texture_white;
7948                         t->specularscale = r_shadow_gloss2intensity.value;
7949                         t->specularpower = r_shadow_gloss2exponent.value;
7950                 }
7951         }
7952         t->specularscale *= t->specularscalemod;
7953         t->specularpower *= t->specularpowermod;
7954         t->rtlightambient = 0;
7955
7956         // lightmaps mode looks bad with dlights using actual texturing, so turn
7957         // off the colormap and glossmap, but leave the normalmap on as it still
7958         // accurately represents the shading involved
7959         if (gl_lightmaps.integer)
7960         {
7961                 t->basetexture = r_texture_grey128;
7962                 t->pantstexture = r_texture_black;
7963                 t->shirttexture = r_texture_black;
7964                 t->nmaptexture = r_texture_blanknormalmap;
7965                 t->glosstexture = r_texture_black;
7966                 t->glowtexture = NULL;
7967                 t->fogtexture = NULL;
7968                 t->reflectmasktexture = NULL;
7969                 t->backgroundbasetexture = NULL;
7970                 t->backgroundnmaptexture = r_texture_blanknormalmap;
7971                 t->backgroundglosstexture = r_texture_black;
7972                 t->backgroundglowtexture = NULL;
7973                 t->specularscale = 0;
7974                 t->currentmaterialflags = MATERIALFLAG_WALL | (t->currentmaterialflags & (MATERIALFLAG_NOCULLFACE | MATERIALFLAG_MODELLIGHT | MATERIALFLAG_MODELLIGHT_DIRECTIONAL | MATERIALFLAG_NODEPTHTEST | MATERIALFLAG_SHORTDEPTHRANGE));
7975         }
7976
7977         Vector4Set(t->lightmapcolor, rsurface.colormod[0], rsurface.colormod[1], rsurface.colormod[2], t->currentalpha);
7978         VectorClear(t->dlightcolor);
7979         t->currentnumlayers = 0;
7980         if (t->currentmaterialflags & MATERIALFLAG_WALL)
7981         {
7982                 int blendfunc1, blendfunc2;
7983                 qboolean depthmask;
7984                 if (t->currentmaterialflags & MATERIALFLAG_ADD)
7985                 {
7986                         blendfunc1 = GL_SRC_ALPHA;
7987                         blendfunc2 = GL_ONE;
7988                 }
7989                 else if (t->currentmaterialflags & MATERIALFLAG_ALPHA)
7990                 {
7991                         blendfunc1 = GL_SRC_ALPHA;
7992                         blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
7993                 }
7994                 else if (t->currentmaterialflags & MATERIALFLAG_CUSTOMBLEND)
7995                 {
7996                         blendfunc1 = t->customblendfunc[0];
7997                         blendfunc2 = t->customblendfunc[1];
7998                 }
7999                 else
8000                 {
8001                         blendfunc1 = GL_ONE;
8002                         blendfunc2 = GL_ZERO;
8003                 }
8004                 // don't colormod evilblend textures
8005                 if(!R_BlendFuncFlags(blendfunc1, blendfunc2) & BLENDFUNC_ALLOWS_COLORMOD)
8006                         VectorSet(t->lightmapcolor, 1, 1, 1);
8007                 depthmask = !(t->currentmaterialflags & MATERIALFLAG_BLENDED);
8008                 if (t->currentmaterialflags & MATERIALFLAG_FULLBRIGHT)
8009                 {
8010                         // fullbright is not affected by r_refdef.lightmapintensity
8011                         R_Texture_AddLayer(t, depthmask, blendfunc1, blendfunc2, TEXTURELAYERTYPE_TEXTURE, t->basetexture, &t->currenttexmatrix, t->lightmapcolor[0], t->lightmapcolor[1], t->lightmapcolor[2], t->lightmapcolor[3]);
8012                         if (VectorLength2(rsurface.colormap_pantscolor) >= (1.0f / 1048576.0f) && t->pantstexture)
8013                                 R_Texture_AddLayer(t, false, GL_SRC_ALPHA, GL_ONE, TEXTURELAYERTYPE_TEXTURE, t->pantstexture, &t->currenttexmatrix, rsurface.colormap_pantscolor[0] * t->lightmapcolor[0], rsurface.colormap_pantscolor[1] * t->lightmapcolor[1], rsurface.colormap_pantscolor[2] * t->lightmapcolor[2], t->lightmapcolor[3]);
8014                         if (VectorLength2(rsurface.colormap_shirtcolor) >= (1.0f / 1048576.0f) && t->shirttexture)
8015                                 R_Texture_AddLayer(t, false, GL_SRC_ALPHA, GL_ONE, TEXTURELAYERTYPE_TEXTURE, t->shirttexture, &t->currenttexmatrix, rsurface.colormap_shirtcolor[0] * t->lightmapcolor[0], rsurface.colormap_shirtcolor[1] * t->lightmapcolor[1], rsurface.colormap_shirtcolor[2] * t->lightmapcolor[2], t->lightmapcolor[3]);
8016                 }
8017                 else
8018                 {
8019                         vec3_t ambientcolor;
8020                         float colorscale;
8021                         // set the color tint used for lights affecting this surface
8022                         VectorSet(t->dlightcolor, t->lightmapcolor[0] * t->lightmapcolor[3], t->lightmapcolor[1] * t->lightmapcolor[3], t->lightmapcolor[2] * t->lightmapcolor[3]);
8023                         colorscale = 2;
8024                         // q3bsp has no lightmap updates, so the lightstylevalue that
8025                         // would normally be baked into the lightmap must be
8026                         // applied to the color
8027                         // FIXME: r_glsl 1 rendering doesn't support overbright lightstyles with this (the default light style is not overbright)
8028                         if (model->type == mod_brushq3)
8029                                 colorscale *= r_refdef.scene.rtlightstylevalue[0];
8030                         colorscale *= r_refdef.lightmapintensity;
8031                         VectorScale(t->lightmapcolor, r_refdef.scene.ambient, ambientcolor);
8032                         VectorScale(t->lightmapcolor, colorscale, t->lightmapcolor);
8033                         // basic lit geometry
8034                         R_Texture_AddLayer(t, depthmask, blendfunc1, blendfunc2, TEXTURELAYERTYPE_LITTEXTURE, t->basetexture, &t->currenttexmatrix, t->lightmapcolor[0], t->lightmapcolor[1], t->lightmapcolor[2], t->lightmapcolor[3]);
8035                         // add pants/shirt if needed
8036                         if (VectorLength2(rsurface.colormap_pantscolor) >= (1.0f / 1048576.0f) && t->pantstexture)
8037                                 R_Texture_AddLayer(t, false, GL_SRC_ALPHA, GL_ONE, TEXTURELAYERTYPE_LITTEXTURE, t->pantstexture, &t->currenttexmatrix, rsurface.colormap_pantscolor[0] * t->lightmapcolor[0], rsurface.colormap_pantscolor[1] * t->lightmapcolor[1], rsurface.colormap_pantscolor[2]  * t->lightmapcolor[2], t->lightmapcolor[3]);
8038                         if (VectorLength2(rsurface.colormap_shirtcolor) >= (1.0f / 1048576.0f) && t->shirttexture)
8039                                 R_Texture_AddLayer(t, false, GL_SRC_ALPHA, GL_ONE, TEXTURELAYERTYPE_LITTEXTURE, t->shirttexture, &t->currenttexmatrix, rsurface.colormap_shirtcolor[0] * t->lightmapcolor[0], rsurface.colormap_shirtcolor[1] * t->lightmapcolor[1], rsurface.colormap_shirtcolor[2] * t->lightmapcolor[2], t->lightmapcolor[3]);
8040                         // now add ambient passes if needed
8041                         if (VectorLength2(ambientcolor) >= (1.0f/1048576.0f))
8042                         {
8043                                 R_Texture_AddLayer(t, false, GL_SRC_ALPHA, GL_ONE, TEXTURELAYERTYPE_TEXTURE, t->basetexture, &t->currenttexmatrix, ambientcolor[0], ambientcolor[1], ambientcolor[2], t->lightmapcolor[3]);
8044                                 if (VectorLength2(rsurface.colormap_pantscolor) >= (1.0f / 1048576.0f) && t->pantstexture)
8045                                         R_Texture_AddLayer(t, false, GL_SRC_ALPHA, GL_ONE, TEXTURELAYERTYPE_TEXTURE, t->pantstexture, &t->currenttexmatrix, rsurface.colormap_pantscolor[0] * ambientcolor[0], rsurface.colormap_pantscolor[1] * ambientcolor[1], rsurface.colormap_pantscolor[2] * ambientcolor[2], t->lightmapcolor[3]);
8046                                 if (VectorLength2(rsurface.colormap_shirtcolor) >= (1.0f / 1048576.0f) && t->shirttexture)
8047                                         R_Texture_AddLayer(t, false, GL_SRC_ALPHA, GL_ONE, TEXTURELAYERTYPE_TEXTURE, t->shirttexture, &t->currenttexmatrix, rsurface.colormap_shirtcolor[0] * ambientcolor[0], rsurface.colormap_shirtcolor[1] * ambientcolor[1], rsurface.colormap_shirtcolor[2] * ambientcolor[2], t->lightmapcolor[3]);
8048                         }
8049                 }
8050                 if (t->glowtexture != NULL && !gl_lightmaps.integer)
8051                         R_Texture_AddLayer(t, false, GL_SRC_ALPHA, GL_ONE, TEXTURELAYERTYPE_TEXTURE, t->glowtexture, &t->currenttexmatrix, rsurface.glowmod[0], rsurface.glowmod[1], rsurface.glowmod[2], t->lightmapcolor[3]);
8052                 if (r_refdef.fogenabled && !(t->currentmaterialflags & MATERIALFLAG_ADD))
8053                 {
8054                         // if this is opaque use alpha blend which will darken the earlier
8055                         // passes cheaply.
8056                         //
8057                         // if this is an alpha blended material, all the earlier passes
8058                         // were darkened by fog already, so we only need to add the fog
8059                         // color ontop through the fog mask texture
8060                         //
8061                         // if this is an additive blended material, all the earlier passes
8062                         // were darkened by fog already, and we should not add fog color
8063                         // (because the background was not darkened, there is no fog color
8064                         // that was lost behind it).
8065                         R_Texture_AddLayer(t, false, GL_SRC_ALPHA, (t->currentmaterialflags & MATERIALFLAG_BLENDED) ? GL_ONE : GL_ONE_MINUS_SRC_ALPHA, TEXTURELAYERTYPE_FOG, t->fogtexture, &t->currenttexmatrix, r_refdef.fogcolor[0], r_refdef.fogcolor[1], r_refdef.fogcolor[2], t->lightmapcolor[3]);
8066                 }
8067         }
8068
8069         return t->currentframe;
8070 }
8071
8072 rsurfacestate_t rsurface;
8073
8074 void RSurf_ActiveWorldEntity(void)
8075 {
8076         dp_model_t *model = r_refdef.scene.worldmodel;
8077         //if (rsurface.entity == r_refdef.scene.worldentity)
8078         //      return;
8079         rsurface.entity = r_refdef.scene.worldentity;
8080         rsurface.skeleton = NULL;
8081         memset(rsurface.userwavefunc_param, 0, sizeof(rsurface.userwavefunc_param));
8082         rsurface.ent_skinnum = 0;
8083         rsurface.ent_qwskin = -1;
8084         rsurface.ent_flags = r_refdef.scene.worldentity->flags;
8085         rsurface.shadertime = r_refdef.scene.time;
8086         rsurface.matrix = identitymatrix;
8087         rsurface.inversematrix = identitymatrix;
8088         rsurface.matrixscale = 1;
8089         rsurface.inversematrixscale = 1;
8090         R_EntityMatrix(&identitymatrix);
8091         VectorCopy(r_refdef.view.origin, rsurface.localvieworigin);
8092         Vector4Copy(r_refdef.fogplane, rsurface.fogplane);
8093         rsurface.fograngerecip = r_refdef.fograngerecip;
8094         rsurface.fogheightfade = r_refdef.fogheightfade;
8095         rsurface.fogplaneviewdist = r_refdef.fogplaneviewdist;
8096         rsurface.fogmasktabledistmultiplier = FOGMASKTABLEWIDTH * rsurface.fograngerecip;
8097         VectorSet(rsurface.modellight_ambient, 0, 0, 0);
8098         VectorSet(rsurface.modellight_diffuse, 0, 0, 0);
8099         VectorSet(rsurface.modellight_lightdir, 0, 0, 1);
8100         VectorSet(rsurface.colormap_pantscolor, 0, 0, 0);
8101         VectorSet(rsurface.colormap_shirtcolor, 0, 0, 0);
8102         VectorSet(rsurface.colormod, r_refdef.view.colorscale, r_refdef.view.colorscale, r_refdef.view.colorscale);
8103         rsurface.colormod[3] = 1;
8104         VectorSet(rsurface.glowmod, r_refdef.view.colorscale * r_hdr_glowintensity.value, r_refdef.view.colorscale * r_hdr_glowintensity.value, r_refdef.view.colorscale * r_hdr_glowintensity.value);
8105         memset(rsurface.frameblend, 0, sizeof(rsurface.frameblend));
8106         rsurface.frameblend[0].lerp = 1;
8107         rsurface.ent_alttextures = false;
8108         rsurface.basepolygonfactor = r_refdef.polygonfactor;
8109         rsurface.basepolygonoffset = r_refdef.polygonoffset;
8110         rsurface.modelvertex3f  = model->surfmesh.data_vertex3f;
8111         rsurface.modelvertex3f_vertexbuffer = model->surfmesh.vbo_vertexbuffer;
8112         rsurface.modelvertex3f_bufferoffset = model->surfmesh.vbooffset_vertex3f;
8113         rsurface.modelsvector3f = model->surfmesh.data_svector3f;
8114         rsurface.modelsvector3f_vertexbuffer = model->surfmesh.vbo_vertexbuffer;
8115         rsurface.modelsvector3f_bufferoffset = model->surfmesh.vbooffset_svector3f;
8116         rsurface.modeltvector3f = model->surfmesh.data_tvector3f;
8117         rsurface.modeltvector3f_vertexbuffer = model->surfmesh.vbo_vertexbuffer;
8118         rsurface.modeltvector3f_bufferoffset = model->surfmesh.vbooffset_tvector3f;
8119         rsurface.modelnormal3f  = model->surfmesh.data_normal3f;
8120         rsurface.modelnormal3f_vertexbuffer = model->surfmesh.vbo_vertexbuffer;
8121         rsurface.modelnormal3f_bufferoffset = model->surfmesh.vbooffset_normal3f;
8122         rsurface.modellightmapcolor4f  = model->surfmesh.data_lightmapcolor4f;
8123         rsurface.modellightmapcolor4f_vertexbuffer = model->surfmesh.vbo_vertexbuffer;
8124         rsurface.modellightmapcolor4f_bufferoffset = model->surfmesh.vbooffset_lightmapcolor4f;
8125         rsurface.modeltexcoordtexture2f  = model->surfmesh.data_texcoordtexture2f;
8126         rsurface.modeltexcoordtexture2f_vertexbuffer = model->surfmesh.vbo_vertexbuffer;
8127         rsurface.modeltexcoordtexture2f_bufferoffset = model->surfmesh.vbooffset_texcoordtexture2f;
8128         rsurface.modeltexcoordlightmap2f  = model->surfmesh.data_texcoordlightmap2f;
8129         rsurface.modeltexcoordlightmap2f_vertexbuffer = model->surfmesh.vbo_vertexbuffer;
8130         rsurface.modeltexcoordlightmap2f_bufferoffset = model->surfmesh.vbooffset_texcoordlightmap2f;
8131         rsurface.modelelement3i = model->surfmesh.data_element3i;
8132         rsurface.modelelement3i_indexbuffer = model->surfmesh.data_element3i_indexbuffer;
8133         rsurface.modelelement3i_bufferoffset = model->surfmesh.data_element3i_bufferoffset;
8134         rsurface.modelelement3s = model->surfmesh.data_element3s;
8135         rsurface.modelelement3s_indexbuffer = model->surfmesh.data_element3s_indexbuffer;
8136         rsurface.modelelement3s_bufferoffset = model->surfmesh.data_element3s_bufferoffset;
8137         rsurface.modellightmapoffsets = model->surfmesh.data_lightmapoffsets;
8138         rsurface.modelnumvertices = model->surfmesh.num_vertices;
8139         rsurface.modelnumtriangles = model->surfmesh.num_triangles;
8140         rsurface.modelsurfaces = model->data_surfaces;
8141         rsurface.modelvertexmesh = model->surfmesh.vertexmesh;
8142         rsurface.modelvertexmeshbuffer = model->surfmesh.vertexmeshbuffer;
8143         rsurface.modelvertex3fbuffer = model->surfmesh.vertex3fbuffer;
8144         rsurface.modelgeneratedvertex = false;
8145         rsurface.batchgeneratedvertex = false;
8146         rsurface.batchfirstvertex = 0;
8147         rsurface.batchnumvertices = 0;
8148         rsurface.batchfirsttriangle = 0;
8149         rsurface.batchnumtriangles = 0;
8150         rsurface.batchvertex3f  = NULL;
8151         rsurface.batchvertex3f_vertexbuffer = NULL;
8152         rsurface.batchvertex3f_bufferoffset = 0;
8153         rsurface.batchsvector3f = NULL;
8154         rsurface.batchsvector3f_vertexbuffer = NULL;
8155         rsurface.batchsvector3f_bufferoffset = 0;
8156         rsurface.batchtvector3f = NULL;
8157         rsurface.batchtvector3f_vertexbuffer = NULL;
8158         rsurface.batchtvector3f_bufferoffset = 0;
8159         rsurface.batchnormal3f  = NULL;
8160         rsurface.batchnormal3f_vertexbuffer = NULL;
8161         rsurface.batchnormal3f_bufferoffset = 0;
8162         rsurface.batchlightmapcolor4f = NULL;
8163         rsurface.batchlightmapcolor4f_vertexbuffer = NULL;
8164         rsurface.batchlightmapcolor4f_bufferoffset = 0;
8165         rsurface.batchtexcoordtexture2f = NULL;
8166         rsurface.batchtexcoordtexture2f_vertexbuffer = NULL;
8167         rsurface.batchtexcoordtexture2f_bufferoffset = 0;
8168         rsurface.batchtexcoordlightmap2f = NULL;
8169         rsurface.batchtexcoordlightmap2f_vertexbuffer = NULL;
8170         rsurface.batchtexcoordlightmap2f_bufferoffset = 0;
8171         rsurface.batchvertexmesh = NULL;
8172         rsurface.batchvertexmeshbuffer = NULL;
8173         rsurface.batchvertex3fbuffer = NULL;
8174         rsurface.batchelement3i = NULL;
8175         rsurface.batchelement3i_indexbuffer = NULL;
8176         rsurface.batchelement3i_bufferoffset = 0;
8177         rsurface.batchelement3s = NULL;
8178         rsurface.batchelement3s_indexbuffer = NULL;
8179         rsurface.batchelement3s_bufferoffset = 0;
8180         rsurface.passcolor4f = NULL;
8181         rsurface.passcolor4f_vertexbuffer = NULL;
8182         rsurface.passcolor4f_bufferoffset = 0;
8183 }
8184
8185 void RSurf_ActiveModelEntity(const entity_render_t *ent, qboolean wantnormals, qboolean wanttangents, qboolean prepass)
8186 {
8187         dp_model_t *model = ent->model;
8188         //if (rsurface.entity == ent && (!model->surfmesh.isanimated || (!wantnormals && !wanttangents)))
8189         //      return;
8190         rsurface.entity = (entity_render_t *)ent;
8191         rsurface.skeleton = ent->skeleton;
8192         memcpy(rsurface.userwavefunc_param, ent->userwavefunc_param, sizeof(rsurface.userwavefunc_param));
8193         rsurface.ent_skinnum = ent->skinnum;
8194         rsurface.ent_qwskin = (ent->entitynumber <= cl.maxclients && ent->entitynumber >= 1 && cls.protocol == PROTOCOL_QUAKEWORLD && cl.scores[ent->entitynumber - 1].qw_skin[0] && !strcmp(ent->model->name, "progs/player.mdl")) ? (ent->entitynumber - 1) : -1;
8195         rsurface.ent_flags = ent->flags;
8196         rsurface.shadertime = r_refdef.scene.time - ent->shadertime;
8197         rsurface.matrix = ent->matrix;
8198         rsurface.inversematrix = ent->inversematrix;
8199         rsurface.matrixscale = Matrix4x4_ScaleFromMatrix(&rsurface.matrix);
8200         rsurface.inversematrixscale = 1.0f / rsurface.matrixscale;
8201         R_EntityMatrix(&rsurface.matrix);
8202         Matrix4x4_Transform(&rsurface.inversematrix, r_refdef.view.origin, rsurface.localvieworigin);
8203         Matrix4x4_TransformStandardPlane(&rsurface.inversematrix, r_refdef.fogplane[0], r_refdef.fogplane[1], r_refdef.fogplane[2], r_refdef.fogplane[3], rsurface.fogplane);
8204         rsurface.fogplaneviewdist *= rsurface.inversematrixscale;
8205         rsurface.fograngerecip = r_refdef.fograngerecip * rsurface.matrixscale;
8206         rsurface.fogheightfade = r_refdef.fogheightfade * rsurface.matrixscale;
8207         rsurface.fogmasktabledistmultiplier = FOGMASKTABLEWIDTH * rsurface.fograngerecip;
8208         VectorCopy(ent->modellight_ambient, rsurface.modellight_ambient);
8209         VectorCopy(ent->modellight_diffuse, rsurface.modellight_diffuse);
8210         VectorCopy(ent->modellight_lightdir, rsurface.modellight_lightdir);
8211         VectorCopy(ent->colormap_pantscolor, rsurface.colormap_pantscolor);
8212         VectorCopy(ent->colormap_shirtcolor, rsurface.colormap_shirtcolor);
8213         VectorScale(ent->colormod, r_refdef.view.colorscale, rsurface.colormod);
8214         rsurface.colormod[3] = ent->alpha;
8215         VectorScale(ent->glowmod, r_refdef.view.colorscale * r_hdr_glowintensity.value, rsurface.glowmod);
8216         memcpy(rsurface.frameblend, ent->frameblend, sizeof(ent->frameblend));
8217         rsurface.ent_alttextures = ent->framegroupblend[0].frame != 0;
8218         rsurface.basepolygonfactor = r_refdef.polygonfactor;
8219         rsurface.basepolygonoffset = r_refdef.polygonoffset;
8220         if (ent->model->brush.submodel && !prepass)
8221         {
8222                 rsurface.basepolygonfactor += r_polygonoffset_submodel_factor.value;
8223                 rsurface.basepolygonoffset += r_polygonoffset_submodel_offset.value;
8224         }
8225         if (model->surfmesh.isanimated && model->AnimateVertices)
8226         {
8227                 if (ent->animcache_vertex3f)
8228                 {
8229                         rsurface.modelvertex3f = ent->animcache_vertex3f;
8230                         rsurface.modelsvector3f = wanttangents ? ent->animcache_svector3f : NULL;
8231                         rsurface.modeltvector3f = wanttangents ? ent->animcache_tvector3f : NULL;
8232                         rsurface.modelnormal3f = wantnormals ? ent->animcache_normal3f : NULL;
8233                         rsurface.modelvertexmesh = ent->animcache_vertexmesh;
8234                         rsurface.modelvertexmeshbuffer = ent->animcache_vertexmeshbuffer;
8235                         rsurface.modelvertex3fbuffer = ent->animcache_vertex3fbuffer;
8236                 }
8237                 else if (wanttangents)
8238                 {
8239                         rsurface.modelvertex3f = (float *)R_FrameData_Alloc(model->surfmesh.num_vertices * sizeof(float[3]));
8240                         rsurface.modelsvector3f = (float *)R_FrameData_Alloc(model->surfmesh.num_vertices * sizeof(float[3]));
8241                         rsurface.modeltvector3f = (float *)R_FrameData_Alloc(model->surfmesh.num_vertices * sizeof(float[3]));
8242                         rsurface.modelnormal3f = (float *)R_FrameData_Alloc(model->surfmesh.num_vertices * sizeof(float[3]));
8243                         model->AnimateVertices(model, rsurface.frameblend, rsurface.skeleton, rsurface.modelvertex3f, rsurface.modelnormal3f, rsurface.modelsvector3f, rsurface.modeltvector3f);
8244                         rsurface.modelvertexmesh = NULL;
8245                         rsurface.modelvertexmeshbuffer = NULL;
8246                         rsurface.modelvertex3fbuffer = NULL;
8247                 }
8248                 else if (wantnormals)
8249                 {
8250                         rsurface.modelvertex3f = (float *)R_FrameData_Alloc(model->surfmesh.num_vertices * sizeof(float[3]));
8251                         rsurface.modelsvector3f = NULL;
8252                         rsurface.modeltvector3f = NULL;
8253                         rsurface.modelnormal3f = (float *)R_FrameData_Alloc(model->surfmesh.num_vertices * sizeof(float[3]));
8254                         model->AnimateVertices(model, rsurface.frameblend, rsurface.skeleton, rsurface.modelvertex3f, rsurface.modelnormal3f, NULL, NULL);
8255                         rsurface.modelvertexmesh = NULL;
8256                         rsurface.modelvertexmeshbuffer = NULL;
8257                         rsurface.modelvertex3fbuffer = NULL;
8258                 }
8259                 else
8260                 {
8261                         rsurface.modelvertex3f = (float *)R_FrameData_Alloc(model->surfmesh.num_vertices * sizeof(float[3]));
8262                         rsurface.modelsvector3f = NULL;
8263                         rsurface.modeltvector3f = NULL;
8264                         rsurface.modelnormal3f = NULL;
8265                         model->AnimateVertices(model, rsurface.frameblend, rsurface.skeleton, rsurface.modelvertex3f, NULL, NULL, NULL);
8266                         rsurface.modelvertexmesh = NULL;
8267                         rsurface.modelvertexmeshbuffer = NULL;
8268                         rsurface.modelvertex3fbuffer = NULL;
8269                 }
8270                 rsurface.modelvertex3f_vertexbuffer = 0;
8271                 rsurface.modelvertex3f_bufferoffset = 0;
8272                 rsurface.modelsvector3f_vertexbuffer = 0;
8273                 rsurface.modelsvector3f_bufferoffset = 0;
8274                 rsurface.modeltvector3f_vertexbuffer = 0;
8275                 rsurface.modeltvector3f_bufferoffset = 0;
8276                 rsurface.modelnormal3f_vertexbuffer = 0;
8277                 rsurface.modelnormal3f_bufferoffset = 0;
8278                 rsurface.modelgeneratedvertex = true;
8279         }
8280         else
8281         {
8282                 rsurface.modelvertex3f  = model->surfmesh.data_vertex3f;
8283                 rsurface.modelvertex3f_vertexbuffer = model->surfmesh.vbo_vertexbuffer;
8284                 rsurface.modelvertex3f_bufferoffset = model->surfmesh.vbooffset_vertex3f;
8285                 rsurface.modelsvector3f = model->surfmesh.data_svector3f;
8286                 rsurface.modelsvector3f_vertexbuffer = model->surfmesh.vbo_vertexbuffer;
8287                 rsurface.modelsvector3f_bufferoffset = model->surfmesh.vbooffset_svector3f;
8288                 rsurface.modeltvector3f = model->surfmesh.data_tvector3f;
8289                 rsurface.modeltvector3f_vertexbuffer = model->surfmesh.vbo_vertexbuffer;
8290                 rsurface.modeltvector3f_bufferoffset = model->surfmesh.vbooffset_tvector3f;
8291                 rsurface.modelnormal3f  = model->surfmesh.data_normal3f;
8292                 rsurface.modelnormal3f_vertexbuffer = model->surfmesh.vbo_vertexbuffer;
8293                 rsurface.modelnormal3f_bufferoffset = model->surfmesh.vbooffset_normal3f;
8294                 rsurface.modelvertexmesh = model->surfmesh.vertexmesh;
8295                 rsurface.modelvertexmeshbuffer = model->surfmesh.vertexmeshbuffer;
8296                 rsurface.modelvertex3fbuffer = model->surfmesh.vertex3fbuffer;
8297                 rsurface.modelgeneratedvertex = false;
8298         }
8299         rsurface.modellightmapcolor4f  = model->surfmesh.data_lightmapcolor4f;
8300         rsurface.modellightmapcolor4f_vertexbuffer = model->surfmesh.vbo_vertexbuffer;
8301         rsurface.modellightmapcolor4f_bufferoffset = model->surfmesh.vbooffset_lightmapcolor4f;
8302         rsurface.modeltexcoordtexture2f  = model->surfmesh.data_texcoordtexture2f;
8303         rsurface.modeltexcoordtexture2f_vertexbuffer = model->surfmesh.vbo_vertexbuffer;
8304         rsurface.modeltexcoordtexture2f_bufferoffset = model->surfmesh.vbooffset_texcoordtexture2f;
8305         rsurface.modeltexcoordlightmap2f  = model->surfmesh.data_texcoordlightmap2f;
8306         rsurface.modeltexcoordlightmap2f_vertexbuffer = model->surfmesh.vbo_vertexbuffer;
8307         rsurface.modeltexcoordlightmap2f_bufferoffset = model->surfmesh.vbooffset_texcoordlightmap2f;
8308         rsurface.modelelement3i = model->surfmesh.data_element3i;
8309         rsurface.modelelement3i_indexbuffer = model->surfmesh.data_element3i_indexbuffer;
8310         rsurface.modelelement3i_bufferoffset = model->surfmesh.data_element3i_bufferoffset;
8311         rsurface.modelelement3s = model->surfmesh.data_element3s;
8312         rsurface.modelelement3s_indexbuffer = model->surfmesh.data_element3s_indexbuffer;
8313         rsurface.modelelement3s_bufferoffset = model->surfmesh.data_element3s_bufferoffset;
8314         rsurface.modellightmapoffsets = model->surfmesh.data_lightmapoffsets;
8315         rsurface.modelnumvertices = model->surfmesh.num_vertices;
8316         rsurface.modelnumtriangles = model->surfmesh.num_triangles;
8317         rsurface.modelsurfaces = model->data_surfaces;
8318         rsurface.batchgeneratedvertex = false;
8319         rsurface.batchfirstvertex = 0;
8320         rsurface.batchnumvertices = 0;
8321         rsurface.batchfirsttriangle = 0;
8322         rsurface.batchnumtriangles = 0;
8323         rsurface.batchvertex3f  = NULL;
8324         rsurface.batchvertex3f_vertexbuffer = NULL;
8325         rsurface.batchvertex3f_bufferoffset = 0;
8326         rsurface.batchsvector3f = NULL;
8327         rsurface.batchsvector3f_vertexbuffer = NULL;
8328         rsurface.batchsvector3f_bufferoffset = 0;
8329         rsurface.batchtvector3f = NULL;
8330         rsurface.batchtvector3f_vertexbuffer = NULL;
8331         rsurface.batchtvector3f_bufferoffset = 0;
8332         rsurface.batchnormal3f  = NULL;
8333         rsurface.batchnormal3f_vertexbuffer = NULL;
8334         rsurface.batchnormal3f_bufferoffset = 0;
8335         rsurface.batchlightmapcolor4f = NULL;
8336         rsurface.batchlightmapcolor4f_vertexbuffer = NULL;
8337         rsurface.batchlightmapcolor4f_bufferoffset = 0;
8338         rsurface.batchtexcoordtexture2f = NULL;
8339         rsurface.batchtexcoordtexture2f_vertexbuffer = NULL;
8340         rsurface.batchtexcoordtexture2f_bufferoffset = 0;
8341         rsurface.batchtexcoordlightmap2f = NULL;
8342         rsurface.batchtexcoordlightmap2f_vertexbuffer = NULL;
8343         rsurface.batchtexcoordlightmap2f_bufferoffset = 0;
8344         rsurface.batchvertexmesh = NULL;
8345         rsurface.batchvertexmeshbuffer = NULL;
8346         rsurface.batchvertex3fbuffer = NULL;
8347         rsurface.batchelement3i = NULL;
8348         rsurface.batchelement3i_indexbuffer = NULL;
8349         rsurface.batchelement3i_bufferoffset = 0;
8350         rsurface.batchelement3s = NULL;
8351         rsurface.batchelement3s_indexbuffer = NULL;
8352         rsurface.batchelement3s_bufferoffset = 0;
8353         rsurface.passcolor4f = NULL;
8354         rsurface.passcolor4f_vertexbuffer = NULL;
8355         rsurface.passcolor4f_bufferoffset = 0;
8356 }
8357
8358 void RSurf_ActiveCustomEntity(const matrix4x4_t *matrix, const matrix4x4_t *inversematrix, int entflags, double shadertime, float r, float g, float b, float a, int numvertices, const float *vertex3f, const float *texcoord2f, const float *normal3f, const float *svector3f, const float *tvector3f, const float *color4f, int numtriangles, const int *element3i, const unsigned short *element3s, qboolean wantnormals, qboolean wanttangents)
8359 {
8360         rsurface.entity = r_refdef.scene.worldentity;
8361         rsurface.skeleton = NULL;
8362         rsurface.ent_skinnum = 0;
8363         rsurface.ent_qwskin = -1;
8364         rsurface.ent_flags = entflags;
8365         rsurface.shadertime = r_refdef.scene.time - shadertime;
8366         rsurface.modelnumvertices = numvertices;
8367         rsurface.modelnumtriangles = numtriangles;
8368         rsurface.matrix = *matrix;
8369         rsurface.inversematrix = *inversematrix;
8370         rsurface.matrixscale = Matrix4x4_ScaleFromMatrix(&rsurface.matrix);
8371         rsurface.inversematrixscale = 1.0f / rsurface.matrixscale;
8372         R_EntityMatrix(&rsurface.matrix);
8373         Matrix4x4_Transform(&rsurface.inversematrix, r_refdef.view.origin, rsurface.localvieworigin);
8374         Matrix4x4_TransformStandardPlane(&rsurface.inversematrix, r_refdef.fogplane[0], r_refdef.fogplane[1], r_refdef.fogplane[2], r_refdef.fogplane[3], rsurface.fogplane);
8375         rsurface.fogplaneviewdist *= rsurface.inversematrixscale;
8376         rsurface.fograngerecip = r_refdef.fograngerecip * rsurface.matrixscale;
8377         rsurface.fogheightfade = r_refdef.fogheightfade * rsurface.matrixscale;
8378         rsurface.fogmasktabledistmultiplier = FOGMASKTABLEWIDTH * rsurface.fograngerecip;
8379         VectorSet(rsurface.modellight_ambient, 0, 0, 0);
8380         VectorSet(rsurface.modellight_diffuse, 0, 0, 0);
8381         VectorSet(rsurface.modellight_lightdir, 0, 0, 1);
8382         VectorSet(rsurface.colormap_pantscolor, 0, 0, 0);
8383         VectorSet(rsurface.colormap_shirtcolor, 0, 0, 0);
8384         Vector4Set(rsurface.colormod, r * r_refdef.view.colorscale, g * r_refdef.view.colorscale, b * r_refdef.view.colorscale, a);
8385         VectorSet(rsurface.glowmod, r_refdef.view.colorscale * r_hdr_glowintensity.value, r_refdef.view.colorscale * r_hdr_glowintensity.value, r_refdef.view.colorscale * r_hdr_glowintensity.value);
8386         memset(rsurface.frameblend, 0, sizeof(rsurface.frameblend));
8387         rsurface.frameblend[0].lerp = 1;
8388         rsurface.ent_alttextures = false;
8389         rsurface.basepolygonfactor = r_refdef.polygonfactor;
8390         rsurface.basepolygonoffset = r_refdef.polygonoffset;
8391         if (wanttangents)
8392         {
8393                 rsurface.modelvertex3f = (float *)vertex3f;
8394                 rsurface.modelsvector3f = svector3f ? (float *)svector3f : (float *)R_FrameData_Alloc(rsurface.modelnumvertices * sizeof(float[3]));
8395                 rsurface.modeltvector3f = tvector3f ? (float *)tvector3f : (float *)R_FrameData_Alloc(rsurface.modelnumvertices * sizeof(float[3]));
8396                 rsurface.modelnormal3f = normal3f ? (float *)normal3f : (float *)R_FrameData_Alloc(rsurface.modelnumvertices * sizeof(float[3]));
8397         }
8398         else if (wantnormals)
8399         {
8400                 rsurface.modelvertex3f = (float *)vertex3f;
8401                 rsurface.modelsvector3f = NULL;
8402                 rsurface.modeltvector3f = NULL;
8403                 rsurface.modelnormal3f = normal3f ? (float *)normal3f : (float *)R_FrameData_Alloc(rsurface.modelnumvertices * sizeof(float[3]));
8404         }
8405         else
8406         {
8407                 rsurface.modelvertex3f = (float *)vertex3f;
8408                 rsurface.modelsvector3f = NULL;
8409                 rsurface.modeltvector3f = NULL;
8410                 rsurface.modelnormal3f = NULL;
8411         }
8412         rsurface.modelvertexmesh = NULL;
8413         rsurface.modelvertexmeshbuffer = NULL;
8414         rsurface.modelvertex3fbuffer = NULL;
8415         rsurface.modelvertex3f_vertexbuffer = 0;
8416         rsurface.modelvertex3f_bufferoffset = 0;
8417         rsurface.modelsvector3f_vertexbuffer = 0;
8418         rsurface.modelsvector3f_bufferoffset = 0;
8419         rsurface.modeltvector3f_vertexbuffer = 0;
8420         rsurface.modeltvector3f_bufferoffset = 0;
8421         rsurface.modelnormal3f_vertexbuffer = 0;
8422         rsurface.modelnormal3f_bufferoffset = 0;
8423         rsurface.modelgeneratedvertex = true;
8424         rsurface.modellightmapcolor4f  = (float *)color4f;
8425         rsurface.modellightmapcolor4f_vertexbuffer = 0;
8426         rsurface.modellightmapcolor4f_bufferoffset = 0;
8427         rsurface.modeltexcoordtexture2f  = (float *)texcoord2f;
8428         rsurface.modeltexcoordtexture2f_vertexbuffer = 0;
8429         rsurface.modeltexcoordtexture2f_bufferoffset = 0;
8430         rsurface.modeltexcoordlightmap2f  = NULL;
8431         rsurface.modeltexcoordlightmap2f_vertexbuffer = 0;
8432         rsurface.modeltexcoordlightmap2f_bufferoffset = 0;
8433         rsurface.modelelement3i = (int *)element3i;
8434         rsurface.modelelement3i_indexbuffer = NULL;
8435         rsurface.modelelement3i_bufferoffset = 0;
8436         rsurface.modelelement3s = (unsigned short *)element3s;
8437         rsurface.modelelement3s_indexbuffer = NULL;
8438         rsurface.modelelement3s_bufferoffset = 0;
8439         rsurface.modellightmapoffsets = NULL;
8440         rsurface.modelsurfaces = NULL;
8441         rsurface.batchgeneratedvertex = false;
8442         rsurface.batchfirstvertex = 0;
8443         rsurface.batchnumvertices = 0;
8444         rsurface.batchfirsttriangle = 0;
8445         rsurface.batchnumtriangles = 0;
8446         rsurface.batchvertex3f  = NULL;
8447         rsurface.batchvertex3f_vertexbuffer = NULL;
8448         rsurface.batchvertex3f_bufferoffset = 0;
8449         rsurface.batchsvector3f = NULL;
8450         rsurface.batchsvector3f_vertexbuffer = NULL;
8451         rsurface.batchsvector3f_bufferoffset = 0;
8452         rsurface.batchtvector3f = NULL;
8453         rsurface.batchtvector3f_vertexbuffer = NULL;
8454         rsurface.batchtvector3f_bufferoffset = 0;
8455         rsurface.batchnormal3f  = NULL;
8456         rsurface.batchnormal3f_vertexbuffer = NULL;
8457         rsurface.batchnormal3f_bufferoffset = 0;
8458         rsurface.batchlightmapcolor4f = NULL;
8459         rsurface.batchlightmapcolor4f_vertexbuffer = NULL;
8460         rsurface.batchlightmapcolor4f_bufferoffset = 0;
8461         rsurface.batchtexcoordtexture2f = NULL;
8462         rsurface.batchtexcoordtexture2f_vertexbuffer = NULL;
8463         rsurface.batchtexcoordtexture2f_bufferoffset = 0;
8464         rsurface.batchtexcoordlightmap2f = NULL;
8465         rsurface.batchtexcoordlightmap2f_vertexbuffer = NULL;
8466         rsurface.batchtexcoordlightmap2f_bufferoffset = 0;
8467         rsurface.batchvertexmesh = NULL;
8468         rsurface.batchvertexmeshbuffer = NULL;
8469         rsurface.batchvertex3fbuffer = NULL;
8470         rsurface.batchelement3i = NULL;
8471         rsurface.batchelement3i_indexbuffer = NULL;
8472         rsurface.batchelement3i_bufferoffset = 0;
8473         rsurface.batchelement3s = NULL;
8474         rsurface.batchelement3s_indexbuffer = NULL;
8475         rsurface.batchelement3s_bufferoffset = 0;
8476         rsurface.passcolor4f = NULL;
8477         rsurface.passcolor4f_vertexbuffer = NULL;
8478         rsurface.passcolor4f_bufferoffset = 0;
8479
8480         if (rsurface.modelnumvertices && rsurface.modelelement3i)
8481         {
8482                 if ((wantnormals || wanttangents) && !normal3f)
8483                 {
8484                         rsurface.modelnormal3f = (float *)R_FrameData_Alloc(rsurface.modelnumvertices * sizeof(float[3]));
8485                         Mod_BuildNormals(0, rsurface.modelnumvertices, rsurface.modelnumtriangles, rsurface.modelvertex3f, rsurface.modelelement3i, rsurface.modelnormal3f, r_smoothnormals_areaweighting.integer != 0);
8486                 }
8487                 if (wanttangents && !svector3f)
8488                 {
8489                         rsurface.modelsvector3f = (float *)R_FrameData_Alloc(rsurface.modelnumvertices * sizeof(float[3]));
8490                         rsurface.modeltvector3f = (float *)R_FrameData_Alloc(rsurface.modelnumvertices * sizeof(float[3]));
8491                         Mod_BuildTextureVectorsFromNormals(0, rsurface.modelnumvertices, rsurface.modelnumtriangles, rsurface.modelvertex3f, rsurface.modeltexcoordtexture2f, rsurface.modelnormal3f, rsurface.modelelement3i, rsurface.modelsvector3f, rsurface.modeltvector3f, r_smoothnormals_areaweighting.integer != 0);
8492                 }
8493         }
8494 }
8495
8496 float RSurf_FogPoint(const float *v)
8497 {
8498         // this code is identical to the USEFOGINSIDE/USEFOGOUTSIDE code in the shader
8499         float FogPlaneViewDist = r_refdef.fogplaneviewdist;
8500         float FogPlaneVertexDist = DotProduct(r_refdef.fogplane, v) + r_refdef.fogplane[3];
8501         float FogHeightFade = r_refdef.fogheightfade;
8502         float fogfrac;
8503         unsigned int fogmasktableindex;
8504         if (r_refdef.fogplaneviewabove)
8505                 fogfrac = min(0.0f, FogPlaneVertexDist) / (FogPlaneVertexDist - FogPlaneViewDist) * min(1.0f, min(0.0f, FogPlaneVertexDist) * FogHeightFade);
8506         else
8507                 fogfrac = FogPlaneViewDist / (FogPlaneViewDist - max(0.0f, FogPlaneVertexDist)) * min(1.0f, (min(0.0f, FogPlaneVertexDist) + FogPlaneViewDist) * FogHeightFade);
8508         fogmasktableindex = (unsigned int)(VectorDistance(r_refdef.view.origin, v) * fogfrac * r_refdef.fogmasktabledistmultiplier);
8509         return r_refdef.fogmasktable[min(fogmasktableindex, FOGMASKTABLEWIDTH - 1)];
8510 }
8511
8512 float RSurf_FogVertex(const float *v)
8513 {
8514         // this code is identical to the USEFOGINSIDE/USEFOGOUTSIDE code in the shader
8515         float FogPlaneViewDist = rsurface.fogplaneviewdist;
8516         float FogPlaneVertexDist = DotProduct(rsurface.fogplane, v) + rsurface.fogplane[3];
8517         float FogHeightFade = rsurface.fogheightfade;
8518         float fogfrac;
8519         unsigned int fogmasktableindex;
8520         if (r_refdef.fogplaneviewabove)
8521                 fogfrac = min(0.0f, FogPlaneVertexDist) / (FogPlaneVertexDist - FogPlaneViewDist) * min(1.0f, min(0.0f, FogPlaneVertexDist) * FogHeightFade);
8522         else
8523                 fogfrac = FogPlaneViewDist / (FogPlaneViewDist - max(0.0f, FogPlaneVertexDist)) * min(1.0f, (min(0.0f, FogPlaneVertexDist) + FogPlaneViewDist) * FogHeightFade);
8524         fogmasktableindex = (unsigned int)(VectorDistance(rsurface.localvieworigin, v) * fogfrac * rsurface.fogmasktabledistmultiplier);
8525         return r_refdef.fogmasktable[min(fogmasktableindex, FOGMASKTABLEWIDTH - 1)];
8526 }
8527
8528 void RSurf_RenumberElements(const int *inelement3i, int *outelement3i, int numelements, int adjust)
8529 {
8530         int i;
8531         for (i = 0;i < numelements;i++)
8532                 outelement3i[i] = inelement3i[i] + adjust;
8533 }
8534
8535 static const int quadedges[6][2] = {{0, 1}, {0, 2}, {0, 3}, {1, 2}, {1, 3}, {2, 3}};
8536 extern cvar_t gl_vbo;
8537 void RSurf_PrepareVerticesForBatch(int batchneed, int texturenumsurfaces, const msurface_t **texturesurfacelist)
8538 {
8539         int deformindex;
8540         int firsttriangle;
8541         int numtriangles;
8542         int firstvertex;
8543         int endvertex;
8544         int numvertices;
8545         int surfacefirsttriangle;
8546         int surfacenumtriangles;
8547         int surfacefirstvertex;
8548         int surfaceendvertex;
8549         int surfacenumvertices;
8550         int batchnumvertices;
8551         int batchnumtriangles;
8552         int needsupdate;
8553         int i, j;
8554         qboolean gaps;
8555         qboolean dynamicvertex;
8556         float amplitude;
8557         float animpos;
8558         float scale;
8559         float center[3], forward[3], right[3], up[3], v[3], newforward[3], newright[3], newup[3];
8560         float waveparms[4];
8561         q3shaderinfo_deform_t *deform;
8562         const msurface_t *surface, *firstsurface;
8563         r_vertexmesh_t *vertexmesh;
8564         if (!texturenumsurfaces)
8565                 return;
8566         // find vertex range of this surface batch
8567         gaps = false;
8568         firstsurface = texturesurfacelist[0];
8569         firsttriangle = firstsurface->num_firsttriangle;
8570         batchnumvertices = 0;
8571         batchnumtriangles = 0;
8572         firstvertex = endvertex = firstsurface->num_firstvertex;
8573         for (i = 0;i < texturenumsurfaces;i++)
8574         {
8575                 surface = texturesurfacelist[i];
8576                 if (surface != firstsurface + i)
8577                         gaps = true;
8578                 surfacefirstvertex = surface->num_firstvertex;
8579                 surfaceendvertex = surfacefirstvertex + surface->num_vertices;
8580                 surfacenumvertices = surface->num_vertices;
8581                 surfacenumtriangles = surface->num_triangles;
8582                 if (firstvertex > surfacefirstvertex)
8583                         firstvertex = surfacefirstvertex;
8584                 if (endvertex < surfaceendvertex)
8585                         endvertex = surfaceendvertex;
8586                 batchnumvertices += surfacenumvertices;
8587                 batchnumtriangles += surfacenumtriangles;
8588         }
8589
8590         // we now know the vertex range used, and if there are any gaps in it
8591         rsurface.batchfirstvertex = firstvertex;
8592         rsurface.batchnumvertices = endvertex - firstvertex;
8593         rsurface.batchfirsttriangle = firsttriangle;
8594         rsurface.batchnumtriangles = batchnumtriangles;
8595
8596         // this variable holds flags for which properties have been updated that
8597         // may require regenerating vertexmesh array...
8598         needsupdate = 0;
8599
8600         // check if any dynamic vertex processing must occur
8601         dynamicvertex = false;
8602
8603         // if there is a chance of animated vertex colors, it's a dynamic batch
8604         if ((batchneed & (BATCHNEED_VERTEXMESH_VERTEXCOLOR | BATCHNEED_ARRAY_VERTEXCOLOR)) && texturesurfacelist[0]->lightmapinfo)
8605         {
8606                 dynamicvertex = true;
8607                 batchneed |= BATCHNEED_NOGAPS;
8608                 needsupdate |= BATCHNEED_VERTEXMESH_VERTEXCOLOR;
8609         }
8610
8611         for (deformindex = 0, deform = rsurface.texture->deforms;deformindex < Q3MAXDEFORMS && deform->deform && r_deformvertexes.integer;deformindex++, deform++)
8612         {
8613                 switch (deform->deform)
8614                 {
8615                 default:
8616                 case Q3DEFORM_PROJECTIONSHADOW:
8617                 case Q3DEFORM_TEXT0:
8618                 case Q3DEFORM_TEXT1:
8619                 case Q3DEFORM_TEXT2:
8620                 case Q3DEFORM_TEXT3:
8621                 case Q3DEFORM_TEXT4:
8622                 case Q3DEFORM_TEXT5:
8623                 case Q3DEFORM_TEXT6:
8624                 case Q3DEFORM_TEXT7:
8625                 case Q3DEFORM_NONE:
8626                         break;
8627                 case Q3DEFORM_AUTOSPRITE:
8628                         dynamicvertex = true;
8629                         batchneed |= BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_NORMAL | BATCHNEED_ARRAY_VECTOR | BATCHNEED_ARRAY_TEXCOORD | BATCHNEED_NOGAPS;
8630                         needsupdate |= BATCHNEED_VERTEXMESH_VERTEX | BATCHNEED_VERTEXMESH_NORMAL | BATCHNEED_VERTEXMESH_VECTOR;
8631                         break;
8632                 case Q3DEFORM_AUTOSPRITE2:
8633                         dynamicvertex = true;
8634                         batchneed |= BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_TEXCOORD | BATCHNEED_NOGAPS;
8635                         needsupdate |= BATCHNEED_VERTEXMESH_VERTEX | BATCHNEED_VERTEXMESH_NORMAL | BATCHNEED_VERTEXMESH_VECTOR;
8636                         break;
8637                 case Q3DEFORM_NORMAL:
8638                         dynamicvertex = true;
8639                         batchneed |= BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_NORMAL | BATCHNEED_ARRAY_TEXCOORD | BATCHNEED_NOGAPS;
8640                         needsupdate |= BATCHNEED_VERTEXMESH_NORMAL | BATCHNEED_VERTEXMESH_VECTOR;
8641                         break;
8642                 case Q3DEFORM_WAVE:
8643                         if(!R_TestQ3WaveFunc(deform->wavefunc, deform->waveparms))
8644                                 break; // if wavefunc is a nop, ignore this transform
8645                         dynamicvertex = true;
8646                         batchneed |= BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_NORMAL | BATCHNEED_ARRAY_TEXCOORD | BATCHNEED_NOGAPS;
8647                         needsupdate |= BATCHNEED_VERTEXMESH_VERTEX | BATCHNEED_VERTEXMESH_NORMAL | BATCHNEED_VERTEXMESH_VECTOR;
8648                         break;
8649                 case Q3DEFORM_BULGE:
8650                         dynamicvertex = true;
8651                         batchneed |= BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_NORMAL | BATCHNEED_ARRAY_TEXCOORD | BATCHNEED_NOGAPS;
8652                         needsupdate |= BATCHNEED_VERTEXMESH_VERTEX | BATCHNEED_VERTEXMESH_NORMAL | BATCHNEED_VERTEXMESH_VECTOR;
8653                         break;
8654                 case Q3DEFORM_MOVE:
8655                         if(!R_TestQ3WaveFunc(deform->wavefunc, deform->waveparms))
8656                                 break; // if wavefunc is a nop, ignore this transform
8657                         dynamicvertex = true;
8658                         batchneed |= BATCHNEED_ARRAY_VERTEX | BATCHNEED_NOGAPS;
8659                         needsupdate |= BATCHNEED_VERTEXMESH_VERTEX;
8660                         break;
8661                 }
8662         }
8663         switch(rsurface.texture->tcgen.tcgen)
8664         {
8665         default:
8666         case Q3TCGEN_TEXTURE:
8667                 break;
8668         case Q3TCGEN_LIGHTMAP:
8669                 dynamicvertex = true;
8670                 batchneed |= BATCHNEED_ARRAY_LIGHTMAP | BATCHNEED_NOGAPS;
8671                 needsupdate |= BATCHNEED_VERTEXMESH_LIGHTMAP;
8672                 break;
8673         case Q3TCGEN_VECTOR:
8674                 dynamicvertex = true;
8675                 batchneed |= BATCHNEED_ARRAY_VERTEX | BATCHNEED_NOGAPS;
8676                 needsupdate |= BATCHNEED_VERTEXMESH_TEXCOORD;
8677                 break;
8678         case Q3TCGEN_ENVIRONMENT:
8679                 dynamicvertex = true;
8680                 batchneed |= BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_NORMAL | BATCHNEED_NOGAPS;
8681                 needsupdate |= BATCHNEED_VERTEXMESH_TEXCOORD;
8682                 break;
8683         }
8684         if (rsurface.texture->tcmods[0].tcmod == Q3TCMOD_TURBULENT)
8685         {
8686                 dynamicvertex = true;
8687                 batchneed |= BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_TEXCOORD | BATCHNEED_NOGAPS;
8688                 needsupdate |= BATCHNEED_VERTEXMESH_TEXCOORD;
8689         }
8690
8691         if (!rsurface.modelvertexmesh && (batchneed & (BATCHNEED_VERTEXMESH_VERTEX | BATCHNEED_VERTEXMESH_NORMAL | BATCHNEED_VERTEXMESH_VECTOR | BATCHNEED_VERTEXMESH_VERTEXCOLOR | BATCHNEED_VERTEXMESH_TEXCOORD | BATCHNEED_VERTEXMESH_LIGHTMAP)))
8692         {
8693                 dynamicvertex = true;
8694                 batchneed |= BATCHNEED_NOGAPS;
8695                 needsupdate |= (batchneed & (BATCHNEED_VERTEXMESH_VERTEX | BATCHNEED_VERTEXMESH_NORMAL | BATCHNEED_VERTEXMESH_VECTOR | BATCHNEED_VERTEXMESH_VERTEXCOLOR | BATCHNEED_VERTEXMESH_TEXCOORD | BATCHNEED_VERTEXMESH_LIGHTMAP));
8696         }
8697
8698         if (dynamicvertex || gaps || rsurface.batchfirstvertex)
8699         {
8700                 // when copying, we need to consider the regeneration of vertexmesh, any dependencies it may have must be set...
8701                 if (batchneed & BATCHNEED_VERTEXMESH_VERTEX)      batchneed |= BATCHNEED_ARRAY_VERTEX;
8702                 if (batchneed & BATCHNEED_VERTEXMESH_NORMAL)      batchneed |= BATCHNEED_ARRAY_NORMAL;
8703                 if (batchneed & BATCHNEED_VERTEXMESH_VECTOR)      batchneed |= BATCHNEED_ARRAY_VECTOR;
8704                 if (batchneed & BATCHNEED_VERTEXMESH_VERTEXCOLOR) batchneed |= BATCHNEED_ARRAY_VERTEXCOLOR;
8705                 if (batchneed & BATCHNEED_VERTEXMESH_TEXCOORD)    batchneed |= BATCHNEED_ARRAY_TEXCOORD;
8706                 if (batchneed & BATCHNEED_VERTEXMESH_LIGHTMAP)    batchneed |= BATCHNEED_ARRAY_LIGHTMAP;
8707         }
8708
8709         // when the model data has no vertex buffer (dynamic mesh), we need to
8710         // eliminate gaps
8711         if (vid.useinterleavedarrays ? !rsurface.modelvertexmeshbuffer : !rsurface.modelvertex3f_vertexbuffer)
8712                 batchneed |= BATCHNEED_NOGAPS;
8713
8714         // if needsupdate, we have to do a dynamic vertex batch for sure
8715         if (needsupdate & batchneed)
8716                 dynamicvertex = true;
8717
8718         // see if we need to build vertexmesh from arrays
8719         if (!rsurface.modelvertexmesh && (batchneed & (BATCHNEED_VERTEXMESH_VERTEX | BATCHNEED_VERTEXMESH_NORMAL | BATCHNEED_VERTEXMESH_VECTOR | BATCHNEED_VERTEXMESH_VERTEXCOLOR | BATCHNEED_VERTEXMESH_TEXCOORD | BATCHNEED_VERTEXMESH_LIGHTMAP)))
8720                 dynamicvertex = true;
8721
8722         // if gaps are unacceptable, and there are gaps, it's a dynamic batch...
8723         // also some drivers strongly dislike firstvertex
8724         if ((batchneed & BATCHNEED_NOGAPS) && (gaps || firstvertex))
8725                 dynamicvertex = true;
8726
8727         rsurface.batchvertex3f = rsurface.modelvertex3f;
8728         rsurface.batchvertex3f_vertexbuffer = rsurface.modelvertex3f_vertexbuffer;
8729         rsurface.batchvertex3f_bufferoffset = rsurface.modelvertex3f_bufferoffset;
8730         rsurface.batchsvector3f = rsurface.modelsvector3f;
8731         rsurface.batchsvector3f_vertexbuffer = rsurface.modelsvector3f_vertexbuffer;
8732         rsurface.batchsvector3f_bufferoffset = rsurface.modelsvector3f_bufferoffset;
8733         rsurface.batchtvector3f = rsurface.modeltvector3f;
8734         rsurface.batchtvector3f_vertexbuffer = rsurface.modeltvector3f_vertexbuffer;
8735         rsurface.batchtvector3f_bufferoffset = rsurface.modeltvector3f_bufferoffset;
8736         rsurface.batchnormal3f = rsurface.modelnormal3f;
8737         rsurface.batchnormal3f_vertexbuffer = rsurface.modelnormal3f_vertexbuffer;
8738         rsurface.batchnormal3f_bufferoffset = rsurface.modelnormal3f_bufferoffset;
8739         rsurface.batchlightmapcolor4f = rsurface.modellightmapcolor4f;
8740         rsurface.batchlightmapcolor4f_vertexbuffer  = rsurface.modellightmapcolor4f_vertexbuffer;
8741         rsurface.batchlightmapcolor4f_bufferoffset  = rsurface.modellightmapcolor4f_bufferoffset;
8742         rsurface.batchtexcoordtexture2f = rsurface.modeltexcoordtexture2f;
8743         rsurface.batchtexcoordtexture2f_vertexbuffer  = rsurface.modeltexcoordtexture2f_vertexbuffer;
8744         rsurface.batchtexcoordtexture2f_bufferoffset  = rsurface.modeltexcoordtexture2f_bufferoffset;
8745         rsurface.batchtexcoordlightmap2f = rsurface.modeltexcoordlightmap2f;
8746         rsurface.batchtexcoordlightmap2f_vertexbuffer = rsurface.modeltexcoordlightmap2f_vertexbuffer;
8747         rsurface.batchtexcoordlightmap2f_bufferoffset = rsurface.modeltexcoordlightmap2f_bufferoffset;
8748         rsurface.batchvertex3fbuffer = rsurface.modelvertex3fbuffer;
8749         rsurface.batchvertexmesh = rsurface.modelvertexmesh;
8750         rsurface.batchvertexmeshbuffer = rsurface.modelvertexmeshbuffer;
8751         rsurface.batchelement3i = rsurface.modelelement3i;
8752         rsurface.batchelement3i_indexbuffer = rsurface.modelelement3i_indexbuffer;
8753         rsurface.batchelement3i_bufferoffset = rsurface.modelelement3i_bufferoffset;
8754         rsurface.batchelement3s = rsurface.modelelement3s;
8755         rsurface.batchelement3s_indexbuffer = rsurface.modelelement3s_indexbuffer;
8756         rsurface.batchelement3s_bufferoffset = rsurface.modelelement3s_bufferoffset;
8757
8758         // if any dynamic vertex processing has to occur in software, we copy the
8759         // entire surface list together before processing to rebase the vertices
8760         // to start at 0 (otherwise we waste a lot of room in a vertex buffer).
8761         //
8762         // if any gaps exist and we do not have a static vertex buffer, we have to
8763         // copy the surface list together to avoid wasting upload bandwidth on the
8764         // vertices in the gaps.
8765         //
8766         // if gaps exist and we have a static vertex buffer, we still have to
8767         // combine the index buffer ranges into one dynamic index buffer.
8768         //
8769         // in all cases we end up with data that can be drawn in one call.
8770
8771         if (!dynamicvertex)
8772         {
8773                 // static vertex data, just set pointers...
8774                 rsurface.batchgeneratedvertex = false;
8775                 // if there are gaps, we want to build a combined index buffer,
8776                 // otherwise use the original static buffer with an appropriate offset
8777                 if (gaps)
8778                 {
8779                         // build a new triangle elements array for this batch
8780                         rsurface.batchelement3i = (int *)R_FrameData_Alloc(batchnumtriangles * sizeof(int[3]));
8781                         rsurface.batchfirsttriangle = 0;
8782                         numtriangles = 0;
8783                         for (i = 0;i < texturenumsurfaces;i++)
8784                         {
8785                                 surfacefirsttriangle = texturesurfacelist[i]->num_firsttriangle;
8786                                 surfacenumtriangles = texturesurfacelist[i]->num_triangles;
8787                                 memcpy(rsurface.batchelement3i + 3*numtriangles, rsurface.modelelement3i + 3*surfacefirsttriangle, surfacenumtriangles*sizeof(int[3]));
8788                                 numtriangles += surfacenumtriangles;
8789                         }
8790                         rsurface.batchelement3i_indexbuffer = NULL;
8791                         rsurface.batchelement3i_bufferoffset = 0;
8792                         rsurface.batchelement3s = NULL;
8793                         rsurface.batchelement3s_indexbuffer = NULL;
8794                         rsurface.batchelement3s_bufferoffset = 0;
8795                         if (endvertex <= 65536)
8796                         {
8797                                 // make a 16bit (unsigned short) index array if possible
8798                                 rsurface.batchelement3s = (unsigned short *)R_FrameData_Alloc(batchnumtriangles * sizeof(unsigned short[3]));
8799                                 for (i = 0;i < numtriangles*3;i++)
8800                                         rsurface.batchelement3s[i] = rsurface.batchelement3i[i];
8801                         }
8802                 }
8803                 return;
8804         }
8805
8806         // something needs software processing, do it for real...
8807         // we only directly handle separate array data in this case and then
8808         // generate interleaved data if needed...
8809         rsurface.batchgeneratedvertex = true;
8810
8811         // now copy the vertex data into a combined array and make an index array
8812         // (this is what Quake3 does all the time)
8813         //if (gaps || rsurface.batchfirstvertex)
8814         {
8815                 rsurface.batchvertex3fbuffer = NULL;
8816                 rsurface.batchvertexmesh = NULL;
8817                 rsurface.batchvertexmeshbuffer = NULL;
8818                 rsurface.batchvertex3f = NULL;
8819                 rsurface.batchvertex3f_vertexbuffer = NULL;
8820                 rsurface.batchvertex3f_bufferoffset = 0;
8821                 rsurface.batchsvector3f = NULL;
8822                 rsurface.batchsvector3f_vertexbuffer = NULL;
8823                 rsurface.batchsvector3f_bufferoffset = 0;
8824                 rsurface.batchtvector3f = NULL;
8825                 rsurface.batchtvector3f_vertexbuffer = NULL;
8826                 rsurface.batchtvector3f_bufferoffset = 0;
8827                 rsurface.batchnormal3f = NULL;
8828                 rsurface.batchnormal3f_vertexbuffer = NULL;
8829                 rsurface.batchnormal3f_bufferoffset = 0;
8830                 rsurface.batchlightmapcolor4f = NULL;
8831                 rsurface.batchlightmapcolor4f_vertexbuffer = NULL;
8832                 rsurface.batchlightmapcolor4f_bufferoffset = 0;
8833                 rsurface.batchtexcoordtexture2f = NULL;
8834                 rsurface.batchtexcoordtexture2f_vertexbuffer = NULL;
8835                 rsurface.batchtexcoordtexture2f_bufferoffset = 0;
8836                 rsurface.batchtexcoordlightmap2f = NULL;
8837                 rsurface.batchtexcoordlightmap2f_vertexbuffer = NULL;
8838                 rsurface.batchtexcoordlightmap2f_bufferoffset = 0;
8839                 rsurface.batchelement3i = (int *)R_FrameData_Alloc(batchnumtriangles * sizeof(int[3]));
8840                 rsurface.batchelement3i_indexbuffer = NULL;
8841                 rsurface.batchelement3i_bufferoffset = 0;
8842                 rsurface.batchelement3s = NULL;
8843                 rsurface.batchelement3s_indexbuffer = NULL;
8844                 rsurface.batchelement3s_bufferoffset = 0;
8845                 // we'll only be setting up certain arrays as needed
8846                 if (batchneed & (BATCHNEED_VERTEXMESH_VERTEX | BATCHNEED_VERTEXMESH_NORMAL | BATCHNEED_VERTEXMESH_VECTOR | BATCHNEED_VERTEXMESH_VERTEXCOLOR | BATCHNEED_VERTEXMESH_TEXCOORD | BATCHNEED_VERTEXMESH_LIGHTMAP))
8847                         rsurface.batchvertexmesh = (r_vertexmesh_t *)R_FrameData_Alloc(batchnumvertices * sizeof(r_vertexmesh_t));
8848                 if (batchneed & BATCHNEED_ARRAY_VERTEX)
8849                         rsurface.batchvertex3f = (float *)R_FrameData_Alloc(batchnumvertices * sizeof(float[3]));
8850                 if (batchneed & BATCHNEED_ARRAY_NORMAL)
8851                         rsurface.batchnormal3f = (float *)R_FrameData_Alloc(batchnumvertices * sizeof(float[3]));
8852                 if (batchneed & BATCHNEED_ARRAY_VECTOR)
8853                 {
8854                         rsurface.batchsvector3f = (float *)R_FrameData_Alloc(batchnumvertices * sizeof(float[3]));
8855                         rsurface.batchtvector3f = (float *)R_FrameData_Alloc(batchnumvertices * sizeof(float[3]));
8856                 }
8857                 if (batchneed & BATCHNEED_ARRAY_VERTEXCOLOR)
8858                         rsurface.batchlightmapcolor4f = (float *)R_FrameData_Alloc(batchnumvertices * sizeof(float[4]));
8859                 if (batchneed & BATCHNEED_ARRAY_TEXCOORD)
8860                         rsurface.batchtexcoordtexture2f = (float *)R_FrameData_Alloc(batchnumvertices * sizeof(float[2]));
8861                 if (batchneed & BATCHNEED_ARRAY_LIGHTMAP)
8862                         rsurface.batchtexcoordlightmap2f = (float *)R_FrameData_Alloc(batchnumvertices * sizeof(float[2]));
8863                 numvertices = 0;
8864                 numtriangles = 0;
8865                 for (i = 0;i < texturenumsurfaces;i++)
8866                 {
8867                         surfacefirstvertex = texturesurfacelist[i]->num_firstvertex;
8868                         surfacenumvertices = texturesurfacelist[i]->num_vertices;
8869                         surfacefirsttriangle = texturesurfacelist[i]->num_firsttriangle;
8870                         surfacenumtriangles = texturesurfacelist[i]->num_triangles;
8871                         // copy only the data requested
8872                         if ((batchneed & (BATCHNEED_VERTEXMESH_VERTEX | BATCHNEED_VERTEXMESH_NORMAL | BATCHNEED_VERTEXMESH_VECTOR | BATCHNEED_VERTEXMESH_VERTEXCOLOR | BATCHNEED_VERTEXMESH_TEXCOORD | BATCHNEED_VERTEXMESH_LIGHTMAP)) && rsurface.modelvertexmesh)
8873                                 memcpy(rsurface.batchvertexmesh + numvertices, rsurface.modelvertexmesh + surfacefirstvertex, surfacenumvertices * sizeof(rsurface.batchvertexmesh[0]));
8874                         if (batchneed & (BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_NORMAL | BATCHNEED_ARRAY_VECTOR | BATCHNEED_ARRAY_VERTEXCOLOR | BATCHNEED_ARRAY_TEXCOORD | BATCHNEED_ARRAY_LIGHTMAP))
8875                         {
8876                                 if (batchneed & BATCHNEED_ARRAY_VERTEX)
8877                                 {
8878                                         if (rsurface.batchvertex3f)
8879                                                 memcpy(rsurface.batchvertex3f + 3*numvertices, rsurface.modelvertex3f + 3*surfacefirstvertex, surfacenumvertices * sizeof(float[3]));
8880                                         else
8881                                                 memset(rsurface.batchvertex3f + 3*numvertices, 0, surfacenumvertices * sizeof(float[3]));
8882                                 }
8883                                 if (batchneed & BATCHNEED_ARRAY_NORMAL)
8884                                 {
8885                                         if (rsurface.modelnormal3f)
8886                                                 memcpy(rsurface.batchnormal3f + 3*numvertices, rsurface.modelnormal3f + 3*surfacefirstvertex, surfacenumvertices * sizeof(float[3]));
8887                                         else
8888                                                 memset(rsurface.batchnormal3f + 3*numvertices, 0, surfacenumvertices * sizeof(float[3]));
8889                                 }
8890                                 if (batchneed & BATCHNEED_ARRAY_VECTOR)
8891                                 {
8892                                         if (rsurface.modelsvector3f)
8893                                         {
8894                                                 memcpy(rsurface.batchsvector3f + 3*numvertices, rsurface.modelsvector3f + 3*surfacefirstvertex, surfacenumvertices * sizeof(float[3]));
8895                                                 memcpy(rsurface.batchtvector3f + 3*numvertices, rsurface.modeltvector3f + 3*surfacefirstvertex, surfacenumvertices * sizeof(float[3]));
8896                                         }
8897                                         else
8898                                         {
8899                                                 memset(rsurface.batchsvector3f + 3*numvertices, 0, surfacenumvertices * sizeof(float[3]));
8900                                                 memset(rsurface.batchtvector3f + 3*numvertices, 0, surfacenumvertices * sizeof(float[3]));
8901                                         }
8902                                 }
8903                                 if (batchneed & BATCHNEED_ARRAY_VERTEXCOLOR)
8904                                 {
8905                                         if (rsurface.modellightmapcolor4f)
8906                                                 memcpy(rsurface.batchlightmapcolor4f + 4*numvertices, rsurface.modellightmapcolor4f + 4*surfacefirstvertex, surfacenumvertices * sizeof(float[4]));
8907                                         else
8908                                                 memset(rsurface.batchlightmapcolor4f + 4*numvertices, 0, surfacenumvertices * sizeof(float[4]));
8909                                 }
8910                                 if (batchneed & BATCHNEED_ARRAY_TEXCOORD)
8911                                 {
8912                                         if (rsurface.modeltexcoordtexture2f)
8913                                                 memcpy(rsurface.batchtexcoordtexture2f + 2*numvertices, rsurface.modeltexcoordtexture2f + 2*surfacefirstvertex, surfacenumvertices * sizeof(float[2]));
8914                                         else
8915                                                 memset(rsurface.batchtexcoordtexture2f + 2*numvertices, 0, surfacenumvertices * sizeof(float[2]));
8916                                 }
8917                                 if (batchneed & BATCHNEED_ARRAY_LIGHTMAP)
8918                                 {
8919                                         if (rsurface.modeltexcoordlightmap2f)
8920                                                 memcpy(rsurface.batchtexcoordlightmap2f + 2*numvertices, rsurface.modeltexcoordlightmap2f + 2*surfacefirstvertex, surfacenumvertices * sizeof(float[2]));
8921                                         else
8922                                                 memset(rsurface.batchtexcoordlightmap2f + 2*numvertices, 0, surfacenumvertices * sizeof(float[2]));
8923                                 }
8924                         }
8925                         RSurf_RenumberElements(rsurface.modelelement3i + 3*surfacefirsttriangle, rsurface.batchelement3i + 3*numtriangles, 3*surfacenumtriangles, numvertices - surfacefirstvertex);
8926                         numvertices += surfacenumvertices;
8927                         numtriangles += surfacenumtriangles;
8928                 }
8929
8930                 // generate a 16bit index array as well if possible
8931                 // (in general, dynamic batches fit)
8932                 if (numvertices <= 65536)
8933                 {
8934                         rsurface.batchelement3s = (unsigned short *)R_FrameData_Alloc(batchnumtriangles * sizeof(unsigned short[3]));
8935                         for (i = 0;i < numtriangles*3;i++)
8936                                 rsurface.batchelement3s[i] = rsurface.batchelement3i[i];
8937                 }
8938
8939                 // since we've copied everything, the batch now starts at 0
8940                 rsurface.batchfirstvertex = 0;
8941                 rsurface.batchnumvertices = batchnumvertices;
8942                 rsurface.batchfirsttriangle = 0;
8943                 rsurface.batchnumtriangles = batchnumtriangles;
8944         }
8945
8946         // q1bsp surfaces rendered in vertex color mode have to have colors
8947         // calculated based on lightstyles
8948         if ((batchneed & (BATCHNEED_VERTEXMESH_VERTEXCOLOR | BATCHNEED_ARRAY_VERTEXCOLOR)) && texturesurfacelist[0]->lightmapinfo)
8949         {
8950                 // generate color arrays for the surfaces in this list
8951                 int c[4];
8952                 int scale;
8953                 int size3;
8954                 const int *offsets;
8955                 const unsigned char *lm;
8956                 rsurface.batchlightmapcolor4f = (float *)R_FrameData_Alloc(batchnumvertices * sizeof(float[4]));
8957                 rsurface.batchlightmapcolor4f_vertexbuffer = NULL;
8958                 rsurface.batchlightmapcolor4f_bufferoffset = 0;
8959                 numvertices = 0;
8960                 for (i = 0;i < texturenumsurfaces;i++)
8961                 {
8962                         surface = texturesurfacelist[i];
8963                         offsets = rsurface.modellightmapoffsets + surface->num_firstvertex;
8964                         surfacenumvertices = surface->num_vertices;
8965                         if (surface->lightmapinfo->samples)
8966                         {
8967                                 for (j = 0;j < surfacenumvertices;j++)
8968                                 {
8969                                         lm = surface->lightmapinfo->samples + offsets[j];
8970                                         scale = r_refdef.scene.lightstylevalue[surface->lightmapinfo->styles[0]];
8971                                         VectorScale(lm, scale, c);
8972                                         if (surface->lightmapinfo->styles[1] != 255)
8973                                         {
8974                                                 size3 = ((surface->lightmapinfo->extents[0]>>4)+1)*((surface->lightmapinfo->extents[1]>>4)+1)*3;
8975                                                 lm += size3;
8976                                                 scale = r_refdef.scene.lightstylevalue[surface->lightmapinfo->styles[1]];
8977                                                 VectorMA(c, scale, lm, c);
8978                                                 if (surface->lightmapinfo->styles[2] != 255)
8979                                                 {
8980                                                         lm += size3;
8981                                                         scale = r_refdef.scene.lightstylevalue[surface->lightmapinfo->styles[2]];
8982                                                         VectorMA(c, scale, lm, c);
8983                                                         if (surface->lightmapinfo->styles[3] != 255)
8984                                                         {
8985                                                                 lm += size3;
8986                                                                 scale = r_refdef.scene.lightstylevalue[surface->lightmapinfo->styles[3]];
8987                                                                 VectorMA(c, scale, lm, c);
8988                                                         }
8989                                                 }
8990                                         }
8991                                         c[0] >>= 7;
8992                                         c[1] >>= 7;
8993                                         c[2] >>= 7;
8994                                         Vector4Set(rsurface.batchlightmapcolor4f + 4*numvertices, min(c[0], 255) * (1.0f / 255.0f), min(c[1], 255) * (1.0f / 255.0f), min(c[2], 255) * (1.0f / 255.0f), 1);
8995                                         numvertices++;
8996                                 }
8997                         }
8998                         else
8999                         {
9000                                 for (j = 0;j < surfacenumvertices;j++)
9001                                 {
9002                                         Vector4Set(rsurface.batchlightmapcolor4f + 4*numvertices, 0, 0, 0, 1);
9003                                         numvertices++;
9004                                 }
9005                         }
9006                 }
9007         }
9008
9009         // if vertices are deformed (sprite flares and things in maps, possibly
9010         // water waves, bulges and other deformations), modify the copied vertices
9011         // in place
9012         for (deformindex = 0, deform = rsurface.texture->deforms;deformindex < Q3MAXDEFORMS && deform->deform && r_deformvertexes.integer;deformindex++, deform++)
9013         {
9014                 switch (deform->deform)
9015                 {
9016                 default:
9017                 case Q3DEFORM_PROJECTIONSHADOW:
9018                 case Q3DEFORM_TEXT0:
9019                 case Q3DEFORM_TEXT1:
9020                 case Q3DEFORM_TEXT2:
9021                 case Q3DEFORM_TEXT3:
9022                 case Q3DEFORM_TEXT4:
9023                 case Q3DEFORM_TEXT5:
9024                 case Q3DEFORM_TEXT6:
9025                 case Q3DEFORM_TEXT7:
9026                 case Q3DEFORM_NONE:
9027                         break;
9028                 case Q3DEFORM_AUTOSPRITE:
9029                         Matrix4x4_Transform3x3(&rsurface.inversematrix, r_refdef.view.forward, newforward);
9030                         Matrix4x4_Transform3x3(&rsurface.inversematrix, r_refdef.view.right, newright);
9031                         Matrix4x4_Transform3x3(&rsurface.inversematrix, r_refdef.view.up, newup);
9032                         VectorNormalize(newforward);
9033                         VectorNormalize(newright);
9034                         VectorNormalize(newup);
9035 //                      rsurface.batchvertex3f = R_FrameData_Store(batchnumvertices * sizeof(float[3]), rsurface.batchvertex3f);
9036 //                      rsurface.batchvertex3f_vertexbuffer = NULL;
9037 //                      rsurface.batchvertex3f_bufferoffset = 0;
9038 //                      rsurface.batchsvector3f = R_FrameData_Store(batchnumvertices * sizeof(float[3]), rsurface.batchsvector3f);
9039 //                      rsurface.batchsvector3f_vertexbuffer = NULL;
9040 //                      rsurface.batchsvector3f_bufferoffset = 0;
9041 //                      rsurface.batchtvector3f = R_FrameData_Store(batchnumvertices * sizeof(float[3]), rsurface.batchtvector3f);
9042 //                      rsurface.batchtvector3f_vertexbuffer = NULL;
9043 //                      rsurface.batchtvector3f_bufferoffset = 0;
9044 //                      rsurface.batchnormal3f = R_FrameData_Store(batchnumvertices * sizeof(float[3]), rsurface.batchnormal3f);
9045 //                      rsurface.batchnormal3f_vertexbuffer = NULL;
9046 //                      rsurface.batchnormal3f_bufferoffset = 0;
9047                         // sometimes we're on a renderpath that does not use vectors (GL11/GL13/GLES1)
9048                         if (!VectorLength2(rsurface.batchnormal3f + 3*rsurface.batchfirstvertex))
9049                                 Mod_BuildNormals(rsurface.batchfirstvertex, batchnumvertices, batchnumtriangles, rsurface.batchvertex3f, rsurface.batchelement3i + 3 * rsurface.batchfirsttriangle, rsurface.batchnormal3f, r_smoothnormals_areaweighting.integer != 0);
9050                         if (!VectorLength2(rsurface.batchsvector3f + 3*rsurface.batchfirstvertex))
9051                                 Mod_BuildTextureVectorsFromNormals(rsurface.batchfirstvertex, batchnumvertices, batchnumtriangles, rsurface.batchvertex3f, rsurface.batchtexcoordtexture2f, rsurface.batchnormal3f, rsurface.batchelement3i + 3 * rsurface.batchfirsttriangle, rsurface.batchsvector3f, rsurface.batchtvector3f, r_smoothnormals_areaweighting.integer != 0);
9052                         // a single autosprite surface can contain multiple sprites...
9053                         for (j = 0;j < batchnumvertices - 3;j += 4)
9054                         {
9055                                 VectorClear(center);
9056                                 for (i = 0;i < 4;i++)
9057                                         VectorAdd(center, rsurface.batchvertex3f + 3*(j+i), center);
9058                                 VectorScale(center, 0.25f, center);
9059                                 VectorCopy(rsurface.batchnormal3f + 3*j, forward);
9060                                 VectorCopy(rsurface.batchsvector3f + 3*j, right);
9061                                 VectorCopy(rsurface.batchtvector3f + 3*j, up);
9062                                 for (i = 0;i < 4;i++)
9063                                 {
9064                                         VectorSubtract(rsurface.batchvertex3f + 3*(j+i), center, v);
9065                                         VectorMAMAMAM(1, center, DotProduct(forward, v), newforward, DotProduct(right, v), newright, DotProduct(up, v), newup, rsurface.batchvertex3f + 3*(j+i));
9066                                 }
9067                         }
9068                         // if we get here, BATCHNEED_ARRAY_NORMAL and BATCHNEED_ARRAY_VECTOR are in batchneed, so no need to check
9069                         Mod_BuildNormals(rsurface.batchfirstvertex, batchnumvertices, batchnumtriangles, rsurface.batchvertex3f, rsurface.batchelement3i + 3 * rsurface.batchfirsttriangle, rsurface.batchnormal3f, r_smoothnormals_areaweighting.integer != 0);
9070                         Mod_BuildTextureVectorsFromNormals(rsurface.batchfirstvertex, batchnumvertices, batchnumtriangles, rsurface.batchvertex3f, rsurface.batchtexcoordtexture2f, rsurface.batchnormal3f, rsurface.batchelement3i + 3 * rsurface.batchfirsttriangle, rsurface.batchsvector3f, rsurface.batchtvector3f, r_smoothnormals_areaweighting.integer != 0);
9071                         break;
9072                 case Q3DEFORM_AUTOSPRITE2:
9073                         Matrix4x4_Transform3x3(&rsurface.inversematrix, r_refdef.view.forward, newforward);
9074                         Matrix4x4_Transform3x3(&rsurface.inversematrix, r_refdef.view.right, newright);
9075                         Matrix4x4_Transform3x3(&rsurface.inversematrix, r_refdef.view.up, newup);
9076                         VectorNormalize(newforward);
9077                         VectorNormalize(newright);
9078                         VectorNormalize(newup);
9079 //                      rsurface.batchvertex3f = R_FrameData_Store(batchnumvertices * sizeof(float[3]), rsurface.batchvertex3f);
9080 //                      rsurface.batchvertex3f_vertexbuffer = NULL;
9081 //                      rsurface.batchvertex3f_bufferoffset = 0;
9082                         {
9083                                 const float *v1, *v2;
9084                                 vec3_t start, end;
9085                                 float f, l;
9086                                 struct
9087                                 {
9088                                         float length2;
9089                                         const float *v1;
9090                                         const float *v2;
9091                                 }
9092                                 shortest[2];
9093                                 memset(shortest, 0, sizeof(shortest));
9094                                 // a single autosprite surface can contain multiple sprites...
9095                                 for (j = 0;j < batchnumvertices - 3;j += 4)
9096                                 {
9097                                         VectorClear(center);
9098                                         for (i = 0;i < 4;i++)
9099                                                 VectorAdd(center, rsurface.batchvertex3f + 3*(j+i), center);
9100                                         VectorScale(center, 0.25f, center);
9101                                         // find the two shortest edges, then use them to define the
9102                                         // axis vectors for rotating around the central axis
9103                                         for (i = 0;i < 6;i++)
9104                                         {
9105                                                 v1 = rsurface.batchvertex3f + 3*(j+quadedges[i][0]);
9106                                                 v2 = rsurface.batchvertex3f + 3*(j+quadedges[i][1]);
9107                                                 l = VectorDistance2(v1, v2);
9108                                                 // this length bias tries to make sense of square polygons, assuming they are meant to be upright
9109                                                 if (v1[2] != v2[2])
9110                                                         l += (1.0f / 1024.0f);
9111                                                 if (shortest[0].length2 > l || i == 0)
9112                                                 {
9113                                                         shortest[1] = shortest[0];
9114                                                         shortest[0].length2 = l;
9115                                                         shortest[0].v1 = v1;
9116                                                         shortest[0].v2 = v2;
9117                                                 }
9118                                                 else if (shortest[1].length2 > l || i == 1)
9119                                                 {
9120                                                         shortest[1].length2 = l;
9121                                                         shortest[1].v1 = v1;
9122                                                         shortest[1].v2 = v2;
9123                                                 }
9124                                         }
9125                                         VectorLerp(shortest[0].v1, 0.5f, shortest[0].v2, start);
9126                                         VectorLerp(shortest[1].v1, 0.5f, shortest[1].v2, end);
9127                                         // this calculates the right vector from the shortest edge
9128                                         // and the up vector from the edge midpoints
9129                                         VectorSubtract(shortest[0].v1, shortest[0].v2, right);
9130                                         VectorNormalize(right);
9131                                         VectorSubtract(end, start, up);
9132                                         VectorNormalize(up);
9133                                         // calculate a forward vector to use instead of the original plane normal (this is how we get a new right vector)
9134                                         VectorSubtract(rsurface.localvieworigin, center, forward);
9135                                         //Matrix4x4_Transform3x3(&rsurface.inversematrix, r_refdef.view.forward, forward);
9136                                         VectorNegate(forward, forward);
9137                                         VectorReflect(forward, 0, up, forward);
9138                                         VectorNormalize(forward);
9139                                         CrossProduct(up, forward, newright);
9140                                         VectorNormalize(newright);
9141                                         // rotate the quad around the up axis vector, this is made
9142                                         // especially easy by the fact we know the quad is flat,
9143                                         // so we only have to subtract the center position and
9144                                         // measure distance along the right vector, and then
9145                                         // multiply that by the newright vector and add back the
9146                                         // center position
9147                                         // we also need to subtract the old position to undo the
9148                                         // displacement from the center, which we do with a
9149                                         // DotProduct, the subtraction/addition of center is also
9150                                         // optimized into DotProducts here
9151                                         l = DotProduct(right, center);
9152                                         for (i = 0;i < 4;i++)
9153                                         {
9154                                                 v1 = rsurface.batchvertex3f + 3*(j+i);
9155                                                 f = DotProduct(right, v1) - l;
9156                                                 VectorMAMAM(1, v1, -f, right, f, newright, rsurface.batchvertex3f + 3*(j+i));
9157                                         }
9158                                 }
9159                         }
9160                         if(batchneed & (BATCHNEED_ARRAY_NORMAL | BATCHNEED_ARRAY_VECTOR)) // otherwise these can stay NULL
9161                         {
9162 //                              rsurface.batchnormal3f = R_FrameData_Alloc(batchnumvertices * sizeof(float[3]));
9163 //                              rsurface.batchnormal3f_vertexbuffer = NULL;
9164 //                              rsurface.batchnormal3f_bufferoffset = 0;
9165                                 Mod_BuildNormals(rsurface.batchfirstvertex, batchnumvertices, batchnumtriangles, rsurface.batchvertex3f, rsurface.batchelement3i + 3 * rsurface.batchfirsttriangle, rsurface.batchnormal3f, r_smoothnormals_areaweighting.integer != 0);
9166                         }
9167                         if(batchneed & BATCHNEED_ARRAY_VECTOR) // otherwise these can stay NULL
9168                         {
9169 //                              rsurface.batchsvector3f = R_FrameData_Alloc(batchnumvertices * sizeof(float[3]));
9170 //                              rsurface.batchsvector3f_vertexbuffer = NULL;
9171 //                              rsurface.batchsvector3f_bufferoffset = 0;
9172 //                              rsurface.batchtvector3f = R_FrameData_Alloc(batchnumvertices * sizeof(float[3]));
9173 //                              rsurface.batchtvector3f_vertexbuffer = NULL;
9174 //                              rsurface.batchtvector3f_bufferoffset = 0;
9175                                 Mod_BuildTextureVectorsFromNormals(rsurface.batchfirstvertex, batchnumvertices, batchnumtriangles, rsurface.batchvertex3f, rsurface.batchtexcoordtexture2f, rsurface.batchnormal3f, rsurface.batchelement3i + 3 * rsurface.batchfirsttriangle, rsurface.batchsvector3f, rsurface.batchtvector3f, r_smoothnormals_areaweighting.integer != 0);
9176                         }
9177                         break;
9178                 case Q3DEFORM_NORMAL:
9179                         // deform the normals to make reflections wavey
9180                         rsurface.batchnormal3f = (float *)R_FrameData_Store(batchnumvertices * sizeof(float[3]), rsurface.batchnormal3f);
9181                         rsurface.batchnormal3f_vertexbuffer = NULL;
9182                         rsurface.batchnormal3f_bufferoffset = 0;
9183                         for (j = 0;j < batchnumvertices;j++)
9184                         {
9185                                 float vertex[3];
9186                                 float *normal = rsurface.batchnormal3f + 3*j;
9187                                 VectorScale(rsurface.batchvertex3f + 3*j, 0.98f, vertex);
9188                                 normal[0] = rsurface.batchnormal3f[j*3+0] + deform->parms[0] * noise4f(      vertex[0], vertex[1], vertex[2], rsurface.shadertime * deform->parms[1]);
9189                                 normal[1] = rsurface.batchnormal3f[j*3+1] + deform->parms[0] * noise4f( 98 + vertex[0], vertex[1], vertex[2], rsurface.shadertime * deform->parms[1]);
9190                                 normal[2] = rsurface.batchnormal3f[j*3+2] + deform->parms[0] * noise4f(196 + vertex[0], vertex[1], vertex[2], rsurface.shadertime * deform->parms[1]);
9191                                 VectorNormalize(normal);
9192                         }
9193                         if(batchneed & BATCHNEED_ARRAY_VECTOR) // otherwise these can stay NULL
9194                         {
9195 //                              rsurface.batchsvector3f = R_FrameData_Alloc(batchnumvertices * sizeof(float[3]));
9196 //                              rsurface.batchsvector3f_vertexbuffer = NULL;
9197 //                              rsurface.batchsvector3f_bufferoffset = 0;
9198 //                              rsurface.batchtvector3f = R_FrameData_Alloc(batchnumvertices * sizeof(float[3]));
9199 //                              rsurface.batchtvector3f_vertexbuffer = NULL;
9200 //                              rsurface.batchtvector3f_bufferoffset = 0;
9201                                 Mod_BuildTextureVectorsFromNormals(rsurface.batchfirstvertex, batchnumvertices, batchnumtriangles, rsurface.batchvertex3f, rsurface.batchtexcoordtexture2f, rsurface.batchnormal3f, rsurface.batchelement3i + 3 * rsurface.batchfirsttriangle, rsurface.batchsvector3f, rsurface.batchtvector3f, r_smoothnormals_areaweighting.integer != 0);
9202                         }
9203                         break;
9204                 case Q3DEFORM_WAVE:
9205                         // deform vertex array to make wavey water and flags and such
9206                         waveparms[0] = deform->waveparms[0];
9207                         waveparms[1] = deform->waveparms[1];
9208                         waveparms[2] = deform->waveparms[2];
9209                         waveparms[3] = deform->waveparms[3];
9210                         if(!R_TestQ3WaveFunc(deform->wavefunc, waveparms))
9211                                 break; // if wavefunc is a nop, don't make a dynamic vertex array
9212                         // this is how a divisor of vertex influence on deformation
9213                         animpos = deform->parms[0] ? 1.0f / deform->parms[0] : 100.0f;
9214                         scale = R_EvaluateQ3WaveFunc(deform->wavefunc, waveparms);
9215 //                      rsurface.batchvertex3f = R_FrameData_Store(batchnumvertices * sizeof(float[3]), rsurface.batchvertex3f);
9216 //                      rsurface.batchvertex3f_vertexbuffer = NULL;
9217 //                      rsurface.batchvertex3f_bufferoffset = 0;
9218 //                      rsurface.batchnormal3f = R_FrameData_Store(batchnumvertices * sizeof(float[3]), rsurface.batchnormal3f);
9219 //                      rsurface.batchnormal3f_vertexbuffer = NULL;
9220 //                      rsurface.batchnormal3f_bufferoffset = 0;
9221                         for (j = 0;j < batchnumvertices;j++)
9222                         {
9223                                 // if the wavefunc depends on time, evaluate it per-vertex
9224                                 if (waveparms[3])
9225                                 {
9226                                         waveparms[2] = deform->waveparms[2] + (rsurface.batchvertex3f[j*3+0] + rsurface.batchvertex3f[j*3+1] + rsurface.batchvertex3f[j*3+2]) * animpos;
9227                                         scale = R_EvaluateQ3WaveFunc(deform->wavefunc, waveparms);
9228                                 }
9229                                 VectorMA(rsurface.batchvertex3f + 3*j, scale, rsurface.batchnormal3f + 3*j, rsurface.batchvertex3f + 3*j);
9230                         }
9231                         // if we get here, BATCHNEED_ARRAY_NORMAL is in batchneed, so no need to check
9232                         Mod_BuildNormals(rsurface.batchfirstvertex, batchnumvertices, batchnumtriangles, rsurface.batchvertex3f, rsurface.batchelement3i + 3 * rsurface.batchfirsttriangle, rsurface.batchnormal3f, r_smoothnormals_areaweighting.integer != 0);
9233                         if(batchneed & BATCHNEED_ARRAY_VECTOR) // otherwise these can stay NULL
9234                         {
9235 //                              rsurface.batchsvector3f = R_FrameData_Alloc(batchnumvertices * sizeof(float[3]));
9236 //                              rsurface.batchsvector3f_vertexbuffer = NULL;
9237 //                              rsurface.batchsvector3f_bufferoffset = 0;
9238 //                              rsurface.batchtvector3f = R_FrameData_Alloc(batchnumvertices * sizeof(float[3]));
9239 //                              rsurface.batchtvector3f_vertexbuffer = NULL;
9240 //                              rsurface.batchtvector3f_bufferoffset = 0;
9241                                 Mod_BuildTextureVectorsFromNormals(rsurface.batchfirstvertex, batchnumvertices, batchnumtriangles, rsurface.batchvertex3f, rsurface.batchtexcoordtexture2f, rsurface.batchnormal3f, rsurface.batchelement3i + 3 * rsurface.batchfirsttriangle, rsurface.batchsvector3f, rsurface.batchtvector3f, r_smoothnormals_areaweighting.integer != 0);
9242                         }
9243                         break;
9244                 case Q3DEFORM_BULGE:
9245                         // deform vertex array to make the surface have moving bulges
9246 //                      rsurface.batchvertex3f = R_FrameData_Store(batchnumvertices * sizeof(float[3]), rsurface.batchvertex3f);
9247 //                      rsurface.batchvertex3f_vertexbuffer = NULL;
9248 //                      rsurface.batchvertex3f_bufferoffset = 0;
9249 //                      rsurface.batchnormal3f = R_FrameData_Store(batchnumvertices * sizeof(float[3]), rsurface.batchnormal3f);
9250 //                      rsurface.batchnormal3f_vertexbuffer = NULL;
9251 //                      rsurface.batchnormal3f_bufferoffset = 0;
9252                         for (j = 0;j < batchnumvertices;j++)
9253                         {
9254                                 scale = sin(rsurface.batchtexcoordtexture2f[j*2+0] * deform->parms[0] + rsurface.shadertime * deform->parms[2]) * deform->parms[1];
9255                                 VectorMA(rsurface.batchvertex3f + 3*j, scale, rsurface.batchnormal3f + 3*j, rsurface.batchvertex3f + 3*j);
9256                         }
9257                         // if we get here, BATCHNEED_ARRAY_NORMAL is in batchneed, so no need to check
9258                         Mod_BuildNormals(rsurface.batchfirstvertex, batchnumvertices, batchnumtriangles, rsurface.batchvertex3f, rsurface.batchelement3i + 3 * rsurface.batchfirsttriangle, rsurface.batchnormal3f, r_smoothnormals_areaweighting.integer != 0);
9259                         if(batchneed & BATCHNEED_ARRAY_VECTOR) // otherwise these can stay NULL
9260                         {
9261 //                              rsurface.batchsvector3f = R_FrameData_Alloc(batchnumvertices * sizeof(float[3]));
9262 //                              rsurface.batchsvector3f_vertexbuffer = NULL;
9263 //                              rsurface.batchsvector3f_bufferoffset = 0;
9264 //                              rsurface.batchtvector3f = R_FrameData_Alloc(batchnumvertices * sizeof(float[3]));
9265 //                              rsurface.batchtvector3f_vertexbuffer = NULL;
9266 //                              rsurface.batchtvector3f_bufferoffset = 0;
9267                                 Mod_BuildTextureVectorsFromNormals(rsurface.batchfirstvertex, batchnumvertices, batchnumtriangles, rsurface.batchvertex3f, rsurface.batchtexcoordtexture2f, rsurface.batchnormal3f, rsurface.batchelement3i + 3 * rsurface.batchfirsttriangle, rsurface.batchsvector3f, rsurface.batchtvector3f, r_smoothnormals_areaweighting.integer != 0);
9268                         }
9269                         break;
9270                 case Q3DEFORM_MOVE:
9271                         // deform vertex array
9272                         if(!R_TestQ3WaveFunc(deform->wavefunc, deform->waveparms))
9273                                 break; // if wavefunc is a nop, don't make a dynamic vertex array
9274                         scale = R_EvaluateQ3WaveFunc(deform->wavefunc, deform->waveparms);
9275                         VectorScale(deform->parms, scale, waveparms);
9276 //                      rsurface.batchvertex3f = R_FrameData_Store(batchnumvertices * sizeof(float[3]), rsurface.batchvertex3f);
9277 //                      rsurface.batchvertex3f_vertexbuffer = NULL;
9278 //                      rsurface.batchvertex3f_bufferoffset = 0;
9279                         for (j = 0;j < batchnumvertices;j++)
9280                                 VectorAdd(rsurface.batchvertex3f + 3*j, waveparms, rsurface.batchvertex3f + 3*j);
9281                         break;
9282                 }
9283         }
9284
9285         // generate texcoords based on the chosen texcoord source
9286         switch(rsurface.texture->tcgen.tcgen)
9287         {
9288         default:
9289         case Q3TCGEN_TEXTURE:
9290                 break;
9291         case Q3TCGEN_LIGHTMAP:
9292 //              rsurface.batchtexcoordtexture2f = R_FrameData_Alloc(batchnumvertices * sizeof(float[2]));
9293 //              rsurface.batchtexcoordtexture2f_vertexbuffer = NULL;
9294 //              rsurface.batchtexcoordtexture2f_bufferoffset = 0;
9295                 if (rsurface.batchtexcoordlightmap2f)
9296                         memcpy(rsurface.batchtexcoordlightmap2f, rsurface.batchtexcoordtexture2f, batchnumvertices * sizeof(float[2]));
9297                 break;
9298         case Q3TCGEN_VECTOR:
9299 //              rsurface.batchtexcoordtexture2f = R_FrameData_Alloc(batchnumvertices * sizeof(float[2]));
9300 //              rsurface.batchtexcoordtexture2f_vertexbuffer = NULL;
9301 //              rsurface.batchtexcoordtexture2f_bufferoffset = 0;
9302                 for (j = 0;j < batchnumvertices;j++)
9303                 {
9304                         rsurface.batchtexcoordtexture2f[j*2+0] = DotProduct(rsurface.batchvertex3f + 3*j, rsurface.texture->tcgen.parms);
9305                         rsurface.batchtexcoordtexture2f[j*2+1] = DotProduct(rsurface.batchvertex3f + 3*j, rsurface.texture->tcgen.parms + 3);
9306                 }
9307                 break;
9308         case Q3TCGEN_ENVIRONMENT:
9309                 // make environment reflections using a spheremap
9310                 rsurface.batchtexcoordtexture2f = (float *)R_FrameData_Alloc(batchnumvertices * sizeof(float[2]));
9311                 rsurface.batchtexcoordtexture2f_vertexbuffer = NULL;
9312                 rsurface.batchtexcoordtexture2f_bufferoffset = 0;
9313                 for (j = 0;j < batchnumvertices;j++)
9314                 {
9315                         // identical to Q3A's method, but executed in worldspace so
9316                         // carried models can be shiny too
9317
9318                         float viewer[3], d, reflected[3], worldreflected[3];
9319
9320                         VectorSubtract(rsurface.localvieworigin, rsurface.batchvertex3f + 3*j, viewer);
9321                         // VectorNormalize(viewer);
9322
9323                         d = DotProduct(rsurface.batchnormal3f + 3*j, viewer);
9324
9325                         reflected[0] = rsurface.batchnormal3f[j*3+0]*2*d - viewer[0];
9326                         reflected[1] = rsurface.batchnormal3f[j*3+1]*2*d - viewer[1];
9327                         reflected[2] = rsurface.batchnormal3f[j*3+2]*2*d - viewer[2];
9328                         // note: this is proportinal to viewer, so we can normalize later
9329
9330                         Matrix4x4_Transform3x3(&rsurface.matrix, reflected, worldreflected);
9331                         VectorNormalize(worldreflected);
9332
9333                         // note: this sphere map only uses world x and z!
9334                         // so positive and negative y will LOOK THE SAME.
9335                         rsurface.batchtexcoordtexture2f[j*2+0] = 0.5 + 0.5 * worldreflected[1];
9336                         rsurface.batchtexcoordtexture2f[j*2+1] = 0.5 - 0.5 * worldreflected[2];
9337                 }
9338                 break;
9339         }
9340         // the only tcmod that needs software vertex processing is turbulent, so
9341         // check for it here and apply the changes if needed
9342         // and we only support that as the first one
9343         // (handling a mixture of turbulent and other tcmods would be problematic
9344         //  without punting it entirely to a software path)
9345         if (rsurface.texture->tcmods[0].tcmod == Q3TCMOD_TURBULENT)
9346         {
9347                 amplitude = rsurface.texture->tcmods[0].parms[1];
9348                 animpos = rsurface.texture->tcmods[0].parms[2] + rsurface.shadertime * rsurface.texture->tcmods[0].parms[3];
9349 //              rsurface.batchtexcoordtexture2f = R_FrameData_Alloc(batchnumvertices * sizeof(float[2]));
9350 //              rsurface.batchtexcoordtexture2f_vertexbuffer = NULL;
9351 //              rsurface.batchtexcoordtexture2f_bufferoffset = 0;
9352                 for (j = 0;j < batchnumvertices;j++)
9353                 {
9354                         rsurface.batchtexcoordtexture2f[j*2+0] += amplitude * sin(((rsurface.batchvertex3f[j*3+0] + rsurface.batchvertex3f[j*3+2]) * 1.0 / 1024.0f + animpos) * M_PI * 2);
9355                         rsurface.batchtexcoordtexture2f[j*2+1] += amplitude * sin(((rsurface.batchvertex3f[j*3+1]                                ) * 1.0 / 1024.0f + animpos) * M_PI * 2);
9356                 }
9357         }
9358
9359         if (needsupdate & batchneed & (BATCHNEED_VERTEXMESH_VERTEX | BATCHNEED_VERTEXMESH_NORMAL | BATCHNEED_VERTEXMESH_VECTOR | BATCHNEED_VERTEXMESH_VERTEXCOLOR | BATCHNEED_VERTEXMESH_TEXCOORD | BATCHNEED_VERTEXMESH_LIGHTMAP))
9360         {
9361                 // convert the modified arrays to vertex structs
9362 //              rsurface.batchvertexmesh = R_FrameData_Alloc(batchnumvertices * sizeof(r_vertexmesh_t));
9363 //              rsurface.batchvertexmeshbuffer = NULL;
9364                 if (batchneed & BATCHNEED_VERTEXMESH_VERTEX)
9365                         for (j = 0, vertexmesh = rsurface.batchvertexmesh;j < batchnumvertices;j++, vertexmesh++)
9366                                 VectorCopy(rsurface.batchvertex3f + 3*j, vertexmesh->vertex3f);
9367                 if (batchneed & BATCHNEED_VERTEXMESH_NORMAL)
9368                         for (j = 0, vertexmesh = rsurface.batchvertexmesh;j < batchnumvertices;j++, vertexmesh++)
9369                                 VectorCopy(rsurface.batchnormal3f + 3*j, vertexmesh->normal3f);
9370                 if (batchneed & BATCHNEED_VERTEXMESH_VECTOR)
9371                 {
9372                         for (j = 0, vertexmesh = rsurface.batchvertexmesh;j < batchnumvertices;j++, vertexmesh++)
9373                         {
9374                                 VectorCopy(rsurface.batchsvector3f + 3*j, vertexmesh->svector3f);
9375                                 VectorCopy(rsurface.batchtvector3f + 3*j, vertexmesh->tvector3f);
9376                         }
9377                 }
9378                 if ((batchneed & BATCHNEED_VERTEXMESH_VERTEXCOLOR) && rsurface.batchlightmapcolor4f)
9379                         for (j = 0, vertexmesh = rsurface.batchvertexmesh;j < batchnumvertices;j++, vertexmesh++)
9380                                 Vector4Copy(rsurface.batchlightmapcolor4f + 4*j, vertexmesh->color4f);
9381                 if (batchneed & BATCHNEED_VERTEXMESH_TEXCOORD)
9382                         for (j = 0, vertexmesh = rsurface.batchvertexmesh;j < batchnumvertices;j++, vertexmesh++)
9383                                 Vector2Copy(rsurface.batchtexcoordtexture2f + 2*j, vertexmesh->texcoordtexture2f);
9384                 if ((batchneed & BATCHNEED_VERTEXMESH_LIGHTMAP) && rsurface.batchtexcoordlightmap2f)
9385                         for (j = 0, vertexmesh = rsurface.batchvertexmesh;j < batchnumvertices;j++, vertexmesh++)
9386                                 Vector2Copy(rsurface.batchtexcoordlightmap2f + 2*j, vertexmesh->texcoordlightmap2f);
9387         }
9388 }
9389
9390 void RSurf_DrawBatch(void)
9391 {
9392         // sometimes a zero triangle surface (usually a degenerate patch) makes it
9393         // through the pipeline, killing it earlier in the pipeline would have
9394         // per-surface overhead rather than per-batch overhead, so it's best to
9395         // reject it here, before it hits glDraw.
9396         if (rsurface.batchnumtriangles == 0)
9397                 return;
9398 #if 0
9399         // batch debugging code
9400         if (r_test.integer && rsurface.entity == r_refdef.scene.worldentity && rsurface.batchvertex3f == r_refdef.scene.worldentity->model->surfmesh.data_vertex3f)
9401         {
9402                 int i;
9403                 int j;
9404                 int c;
9405                 const int *e;
9406                 e = rsurface.batchelement3i + rsurface.batchfirsttriangle*3;
9407                 for (i = 0;i < rsurface.batchnumtriangles*3;i++)
9408                 {
9409                         c = e[i];
9410                         for (j = 0;j < rsurface.entity->model->num_surfaces;j++)
9411                         {
9412                                 if (c >= rsurface.modelsurfaces[j].num_firstvertex && c < (rsurface.modelsurfaces[j].num_firstvertex + rsurface.modelsurfaces[j].num_vertices))
9413                                 {
9414                                         if (rsurface.modelsurfaces[j].texture != rsurface.texture)
9415                                                 Sys_Error("RSurf_DrawBatch: index %i uses different texture (%s) than surface %i which it belongs to (which uses %s)\n", c, rsurface.texture->name, j, rsurface.modelsurfaces[j].texture->name);
9416                                         break;
9417                                 }
9418                         }
9419                 }
9420         }
9421 #endif
9422         R_Mesh_Draw(rsurface.batchfirstvertex, rsurface.batchnumvertices, rsurface.batchfirsttriangle, rsurface.batchnumtriangles, rsurface.batchelement3i, rsurface.batchelement3i_indexbuffer, rsurface.batchelement3i_bufferoffset, rsurface.batchelement3s, rsurface.batchelement3s_indexbuffer, rsurface.batchelement3s_bufferoffset);
9423 }
9424
9425 static int RSurf_FindWaterPlaneForSurface(const msurface_t *surface)
9426 {
9427         // pick the closest matching water plane
9428         int planeindex, vertexindex, bestplaneindex = -1;
9429         float d, bestd;
9430         vec3_t vert;
9431         const float *v;
9432         r_waterstate_waterplane_t *p;
9433         qboolean prepared = false;
9434         bestd = 0;
9435         for (planeindex = 0, p = r_fb.water.waterplanes;planeindex < r_fb.water.numwaterplanes;planeindex++, p++)
9436         {
9437                 if(p->camera_entity != rsurface.texture->camera_entity)
9438                         continue;
9439                 d = 0;
9440                 if(!prepared)
9441                 {
9442                         RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_NOGAPS, 1, &surface);
9443                         prepared = true;
9444                         if(rsurface.batchnumvertices == 0)
9445                                 break;
9446                 }
9447                 for (vertexindex = 0, v = rsurface.batchvertex3f + rsurface.batchfirstvertex * 3;vertexindex < rsurface.batchnumvertices;vertexindex++, v += 3)
9448                 {
9449                         Matrix4x4_Transform(&rsurface.matrix, v, vert);
9450                         d += fabs(PlaneDiff(vert, &p->plane));
9451                 }
9452                 if (bestd > d || bestplaneindex < 0)
9453                 {
9454                         bestd = d;
9455                         bestplaneindex = planeindex;
9456                 }
9457         }
9458         return bestplaneindex;
9459         // NOTE: this MAY return a totally unrelated water plane; we can ignore
9460         // this situation though, as it might be better to render single larger
9461         // batches with useless stuff (backface culled for example) than to
9462         // render multiple smaller batches
9463 }
9464
9465 static void RSurf_DrawBatch_GL11_MakeFullbrightLightmapColorArray(void)
9466 {
9467         int i;
9468         rsurface.passcolor4f = (float *)R_FrameData_Alloc(rsurface.batchnumvertices * sizeof(float[4]));
9469         rsurface.passcolor4f_vertexbuffer = 0;
9470         rsurface.passcolor4f_bufferoffset = 0;
9471         for (i = 0;i < rsurface.batchnumvertices;i++)
9472                 Vector4Set(rsurface.passcolor4f + 4*i, 0.5f, 0.5f, 0.5f, 1.0f);
9473 }
9474
9475 static void RSurf_DrawBatch_GL11_ApplyFog(void)
9476 {
9477         int i;
9478         float f;
9479         const float *v;
9480         const float *c;
9481         float *c2;
9482         if (rsurface.passcolor4f)
9483         {
9484                 // generate color arrays
9485                 c = rsurface.passcolor4f + rsurface.batchfirstvertex * 4;
9486                 rsurface.passcolor4f = (float *)R_FrameData_Alloc(rsurface.batchnumvertices * sizeof(float[4]));
9487                 rsurface.passcolor4f_vertexbuffer = 0;
9488                 rsurface.passcolor4f_bufferoffset = 0;
9489                 for (i = 0, v = rsurface.batchvertex3f + rsurface.batchfirstvertex * 3, c = rsurface.passcolor4f + rsurface.batchfirstvertex * 4, c2 = rsurface.passcolor4f + rsurface.batchfirstvertex * 4;i < rsurface.batchnumvertices;i++, v += 3, c += 4, c2 += 4)
9490                 {
9491                         f = RSurf_FogVertex(v);
9492                         c2[0] = c[0] * f;
9493                         c2[1] = c[1] * f;
9494                         c2[2] = c[2] * f;
9495                         c2[3] = c[3];
9496                 }
9497         }
9498         else
9499         {
9500                 rsurface.passcolor4f = (float *)R_FrameData_Alloc(rsurface.batchnumvertices * sizeof(float[4]));
9501                 rsurface.passcolor4f_vertexbuffer = 0;
9502                 rsurface.passcolor4f_bufferoffset = 0;
9503                 for (i = 0, v = rsurface.batchvertex3f + rsurface.batchfirstvertex * 3, c2 = rsurface.passcolor4f + rsurface.batchfirstvertex * 4;i < rsurface.batchnumvertices;i++, v += 3, c2 += 4)
9504                 {
9505                         f = RSurf_FogVertex(v);
9506                         c2[0] = f;
9507                         c2[1] = f;
9508                         c2[2] = f;
9509                         c2[3] = 1;
9510                 }
9511         }
9512 }
9513
9514 static void RSurf_DrawBatch_GL11_ApplyFogToFinishedVertexColors(void)
9515 {
9516         int i;
9517         float f;
9518         const float *v;
9519         const float *c;
9520         float *c2;
9521         if (!rsurface.passcolor4f)
9522                 return;
9523         c = rsurface.passcolor4f + rsurface.batchfirstvertex * 4;
9524         rsurface.passcolor4f = (float *)R_FrameData_Alloc(rsurface.batchnumvertices * sizeof(float[4]));
9525         rsurface.passcolor4f_vertexbuffer = 0;
9526         rsurface.passcolor4f_bufferoffset = 0;
9527         for (i = 0, v = rsurface.batchvertex3f + rsurface.batchfirstvertex * 3, c2 = rsurface.passcolor4f + rsurface.batchfirstvertex * 4;i < rsurface.batchnumvertices;i++, v += 3, c += 4, c2 += 4)
9528         {
9529                 f = RSurf_FogVertex(v);
9530                 c2[0] = c[0] * f + r_refdef.fogcolor[0] * (1 - f);
9531                 c2[1] = c[1] * f + r_refdef.fogcolor[1] * (1 - f);
9532                 c2[2] = c[2] * f + r_refdef.fogcolor[2] * (1 - f);
9533                 c2[3] = c[3];
9534         }
9535 }
9536
9537 static void RSurf_DrawBatch_GL11_ApplyColor(float r, float g, float b, float a)
9538 {
9539         int i;
9540         const float *c;
9541         float *c2;
9542         if (!rsurface.passcolor4f)
9543                 return;
9544         c = rsurface.passcolor4f + rsurface.batchfirstvertex * 4;
9545         rsurface.passcolor4f = (float *)R_FrameData_Alloc(rsurface.batchnumvertices * sizeof(float[4]));
9546         rsurface.passcolor4f_vertexbuffer = 0;
9547         rsurface.passcolor4f_bufferoffset = 0;
9548         for (i = 0, c2 = rsurface.passcolor4f + rsurface.batchfirstvertex * 4;i < rsurface.batchnumvertices;i++, c += 4, c2 += 4)
9549         {
9550                 c2[0] = c[0] * r;
9551                 c2[1] = c[1] * g;
9552                 c2[2] = c[2] * b;
9553                 c2[3] = c[3] * a;
9554         }
9555 }
9556
9557 static void RSurf_DrawBatch_GL11_ApplyAmbient(void)
9558 {
9559         int i;
9560         const float *c;
9561         float *c2;
9562         if (!rsurface.passcolor4f)
9563                 return;
9564         c = rsurface.passcolor4f + rsurface.batchfirstvertex * 4;
9565         rsurface.passcolor4f = (float *)R_FrameData_Alloc(rsurface.batchnumvertices * sizeof(float[4]));
9566         rsurface.passcolor4f_vertexbuffer = 0;
9567         rsurface.passcolor4f_bufferoffset = 0;
9568         for (i = 0, c2 = rsurface.passcolor4f + rsurface.batchfirstvertex * 4;i < rsurface.batchnumvertices;i++, c += 4, c2 += 4)
9569         {
9570                 c2[0] = c[0] + r_refdef.scene.ambient;
9571                 c2[1] = c[1] + r_refdef.scene.ambient;
9572                 c2[2] = c[2] + r_refdef.scene.ambient;
9573                 c2[3] = c[3];
9574         }
9575 }
9576
9577 static void RSurf_DrawBatch_GL11_Lightmap(float r, float g, float b, float a, qboolean applycolor, qboolean applyfog)
9578 {
9579         // TODO: optimize
9580         rsurface.passcolor4f = NULL;
9581         rsurface.passcolor4f_vertexbuffer = 0;
9582         rsurface.passcolor4f_bufferoffset = 0;
9583         if (applyfog)   RSurf_DrawBatch_GL11_ApplyFog();
9584         if (applycolor) RSurf_DrawBatch_GL11_ApplyColor(r, g, b, a);
9585         R_Mesh_ColorPointer(4, GL_FLOAT, sizeof(float[4]), rsurface.passcolor4f, rsurface.passcolor4f_vertexbuffer, rsurface.passcolor4f_bufferoffset);
9586         GL_Color(r, g, b, a);
9587         R_Mesh_TexBind(0, rsurface.lightmaptexture);
9588         RSurf_DrawBatch();
9589 }
9590
9591 static void RSurf_DrawBatch_GL11_Unlit(float r, float g, float b, float a, qboolean applycolor, qboolean applyfog)
9592 {
9593         // TODO: optimize applyfog && applycolor case
9594         // just apply fog if necessary, and tint the fog color array if necessary
9595         rsurface.passcolor4f = NULL;
9596         rsurface.passcolor4f_vertexbuffer = 0;
9597         rsurface.passcolor4f_bufferoffset = 0;
9598         if (applyfog)   RSurf_DrawBatch_GL11_ApplyFog();
9599         if (applycolor) RSurf_DrawBatch_GL11_ApplyColor(r, g, b, a);
9600         R_Mesh_ColorPointer(4, GL_FLOAT, sizeof(float[4]), rsurface.passcolor4f, rsurface.passcolor4f_vertexbuffer, rsurface.passcolor4f_bufferoffset);
9601         GL_Color(r, g, b, a);
9602         RSurf_DrawBatch();
9603 }
9604
9605 static void RSurf_DrawBatch_GL11_VertexColor(float r, float g, float b, float a, qboolean applycolor, qboolean applyfog)
9606 {
9607         // TODO: optimize
9608         rsurface.passcolor4f = rsurface.batchlightmapcolor4f;
9609         rsurface.passcolor4f_vertexbuffer = rsurface.batchlightmapcolor4f_vertexbuffer;
9610         rsurface.passcolor4f_bufferoffset = rsurface.batchlightmapcolor4f_bufferoffset;
9611         if (applyfog)   RSurf_DrawBatch_GL11_ApplyFog();
9612         if (applycolor) RSurf_DrawBatch_GL11_ApplyColor(r, g, b, a);
9613         R_Mesh_ColorPointer(4, GL_FLOAT, sizeof(float[4]), rsurface.passcolor4f, rsurface.passcolor4f_vertexbuffer, rsurface.passcolor4f_bufferoffset);
9614         GL_Color(r, g, b, a);
9615         RSurf_DrawBatch();
9616 }
9617
9618 static void RSurf_DrawBatch_GL11_ClampColor(void)
9619 {
9620         int i;
9621         const float *c1;
9622         float *c2;
9623         if (!rsurface.passcolor4f)
9624                 return;
9625         for (i = 0, c1 = rsurface.passcolor4f + 4*rsurface.batchfirstvertex, c2 = rsurface.passcolor4f + 4*rsurface.batchfirstvertex;i < rsurface.batchnumvertices;i++, c1 += 4, c2 += 4)
9626         {
9627                 c2[0] = bound(0.0f, c1[0], 1.0f);
9628                 c2[1] = bound(0.0f, c1[1], 1.0f);
9629                 c2[2] = bound(0.0f, c1[2], 1.0f);
9630                 c2[3] = bound(0.0f, c1[3], 1.0f);
9631         }
9632 }
9633
9634 static void RSurf_DrawBatch_GL11_ApplyFakeLight(void)
9635 {
9636         int i;
9637         float f;
9638         const float *v;
9639         const float *n;
9640         float *c;
9641         //vec3_t eyedir;
9642
9643         // fake shading
9644         rsurface.passcolor4f = (float *)R_FrameData_Alloc(rsurface.batchnumvertices * sizeof(float[4]));
9645         rsurface.passcolor4f_vertexbuffer = 0;
9646         rsurface.passcolor4f_bufferoffset = 0;
9647         for (i = 0, v = rsurface.batchvertex3f + rsurface.batchfirstvertex * 3, n = rsurface.batchnormal3f + rsurface.batchfirstvertex * 3, c = rsurface.passcolor4f + rsurface.batchfirstvertex * 4;i < rsurface.batchnumvertices;i++, v += 3, n += 3, c += 4)
9648         {
9649                 f = -DotProduct(r_refdef.view.forward, n);
9650                 f = max(0, f);
9651                 f = f * 0.85 + 0.15; // work around so stuff won't get black
9652                 f *= r_refdef.lightmapintensity;
9653                 Vector4Set(c, f, f, f, 1);
9654         }
9655 }
9656
9657 static void RSurf_DrawBatch_GL11_FakeLight(float r, float g, float b, float a, qboolean applycolor, qboolean applyfog)
9658 {
9659         RSurf_DrawBatch_GL11_ApplyFakeLight();
9660         if (applyfog)   RSurf_DrawBatch_GL11_ApplyFog();
9661         if (applycolor) RSurf_DrawBatch_GL11_ApplyColor(r, g, b, a);
9662         R_Mesh_ColorPointer(4, GL_FLOAT, sizeof(float[4]), rsurface.passcolor4f, rsurface.passcolor4f_vertexbuffer, rsurface.passcolor4f_bufferoffset);
9663         GL_Color(r, g, b, a);
9664         RSurf_DrawBatch();
9665 }
9666
9667 static void RSurf_DrawBatch_GL11_ApplyVertexShade(float *r, float *g, float *b, float *a, qboolean *applycolor)
9668 {
9669         int i;
9670         float f;
9671         float alpha;
9672         const float *v;
9673         const float *n;
9674         float *c;
9675         vec3_t ambientcolor;
9676         vec3_t diffusecolor;
9677         vec3_t lightdir;
9678         // TODO: optimize
9679         // model lighting
9680         VectorCopy(rsurface.modellight_lightdir, lightdir);
9681         f = 0.5f * r_refdef.lightmapintensity;
9682         ambientcolor[0] = rsurface.modellight_ambient[0] * *r * f;
9683         ambientcolor[1] = rsurface.modellight_ambient[1] * *g * f;
9684         ambientcolor[2] = rsurface.modellight_ambient[2] * *b * f;
9685         diffusecolor[0] = rsurface.modellight_diffuse[0] * *r * f;
9686         diffusecolor[1] = rsurface.modellight_diffuse[1] * *g * f;
9687         diffusecolor[2] = rsurface.modellight_diffuse[2] * *b * f;
9688         alpha = *a;
9689         if (VectorLength2(diffusecolor) > 0)
9690         {
9691                 // q3-style directional shading
9692                 rsurface.passcolor4f = (float *)R_FrameData_Alloc(rsurface.batchnumvertices * sizeof(float[4]));
9693                 rsurface.passcolor4f_vertexbuffer = 0;
9694                 rsurface.passcolor4f_bufferoffset = 0;
9695                 for (i = 0, v = rsurface.batchvertex3f + rsurface.batchfirstvertex * 3, n = rsurface.batchnormal3f + rsurface.batchfirstvertex * 3, c = rsurface.passcolor4f + rsurface.batchfirstvertex * 4;i < rsurface.batchnumvertices;i++, v += 3, n += 3, c += 4)
9696                 {
9697                         if ((f = DotProduct(n, lightdir)) > 0)
9698                                 VectorMA(ambientcolor, f, diffusecolor, c);
9699                         else
9700                                 VectorCopy(ambientcolor, c);
9701                         c[3] = alpha;
9702                 }
9703                 *r = 1;
9704                 *g = 1;
9705                 *b = 1;
9706                 *a = 1;
9707                 *applycolor = false;
9708         }
9709         else
9710         {
9711                 *r = ambientcolor[0];
9712                 *g = ambientcolor[1];
9713                 *b = ambientcolor[2];
9714                 rsurface.passcolor4f = NULL;
9715                 rsurface.passcolor4f_vertexbuffer = 0;
9716                 rsurface.passcolor4f_bufferoffset = 0;
9717         }
9718 }
9719
9720 static void RSurf_DrawBatch_GL11_VertexShade(float r, float g, float b, float a, qboolean applycolor, qboolean applyfog)
9721 {
9722         RSurf_DrawBatch_GL11_ApplyVertexShade(&r, &g, &b, &a, &applycolor);
9723         if (applyfog)   RSurf_DrawBatch_GL11_ApplyFog();
9724         if (applycolor) RSurf_DrawBatch_GL11_ApplyColor(r, g, b, a);
9725         R_Mesh_ColorPointer(4, GL_FLOAT, sizeof(float[4]), rsurface.passcolor4f, rsurface.passcolor4f_vertexbuffer, rsurface.passcolor4f_bufferoffset);
9726         GL_Color(r, g, b, a);
9727         RSurf_DrawBatch();
9728 }
9729
9730 static void RSurf_DrawBatch_GL11_MakeFogColor(float r, float g, float b, float a)
9731 {
9732         int i;
9733         float f;
9734         const float *v;
9735         float *c;
9736
9737         // fake shading
9738         rsurface.passcolor4f = (float *)R_FrameData_Alloc(rsurface.batchnumvertices * sizeof(float[4]));
9739         rsurface.passcolor4f_vertexbuffer = 0;
9740         rsurface.passcolor4f_bufferoffset = 0;
9741
9742         for (i = 0, v = rsurface.batchvertex3f + rsurface.batchfirstvertex * 3, c = rsurface.passcolor4f + rsurface.batchfirstvertex * 4;i < rsurface.batchnumvertices;i++, v += 3, c += 4)
9743         {
9744                 f = 1 - RSurf_FogVertex(v);
9745                 c[0] = r;
9746                 c[1] = g;
9747                 c[2] = b;
9748                 c[3] = f * a;
9749         }
9750 }
9751
9752 void RSurf_SetupDepthAndCulling(void)
9753 {
9754         // submodels are biased to avoid z-fighting with world surfaces that they
9755         // may be exactly overlapping (avoids z-fighting artifacts on certain
9756         // doors and things in Quake maps)
9757         GL_DepthRange(0, (rsurface.texture->currentmaterialflags & MATERIALFLAG_SHORTDEPTHRANGE) ? 0.0625 : 1);
9758         GL_PolygonOffset(rsurface.basepolygonfactor + rsurface.texture->biaspolygonfactor, rsurface.basepolygonoffset + rsurface.texture->biaspolygonoffset);
9759         GL_DepthTest(!(rsurface.texture->currentmaterialflags & MATERIALFLAG_NODEPTHTEST));
9760         GL_CullFace((rsurface.texture->currentmaterialflags & MATERIALFLAG_NOCULLFACE) ? GL_NONE : r_refdef.view.cullface_back);
9761 }
9762
9763 static void R_DrawTextureSurfaceList_Sky(int texturenumsurfaces, const msurface_t **texturesurfacelist)
9764 {
9765         // transparent sky would be ridiculous
9766         if (rsurface.texture->currentmaterialflags & MATERIALFLAGMASK_DEPTHSORTED)
9767                 return;
9768         R_SetupShader_Generic_NoTexture(false, false);
9769         skyrenderlater = true;
9770         RSurf_SetupDepthAndCulling();
9771         GL_DepthMask(true);
9772         // LordHavoc: HalfLife maps have freaky skypolys so don't use
9773         // skymasking on them, and Quake3 never did sky masking (unlike
9774         // software Quake and software Quake2), so disable the sky masking
9775         // in Quake3 maps as it causes problems with q3map2 sky tricks,
9776         // and skymasking also looks very bad when noclipping outside the
9777         // level, so don't use it then either.
9778         if (r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->type == mod_brushq1 && r_q1bsp_skymasking.integer && !r_refdef.viewcache.world_novis && !r_trippy.integer)
9779         {
9780                 R_Mesh_ResetTextureState();
9781                 if (skyrendermasked)
9782                 {
9783                         R_SetupShader_DepthOrShadow(false);
9784                         // depth-only (masking)
9785                         GL_ColorMask(0,0,0,0);
9786                         // just to make sure that braindead drivers don't draw
9787                         // anything despite that colormask...
9788                         GL_BlendFunc(GL_ZERO, GL_ONE);
9789                         RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_NOGAPS, texturenumsurfaces, texturesurfacelist);
9790                         if (rsurface.batchvertex3fbuffer)
9791                                 R_Mesh_PrepareVertices_Vertex3f(rsurface.batchnumvertices, rsurface.batchvertex3f, rsurface.batchvertex3fbuffer);
9792                         else
9793                                 R_Mesh_PrepareVertices_Vertex3f(rsurface.batchnumvertices, rsurface.batchvertex3f, rsurface.batchvertex3f_vertexbuffer);
9794                 }
9795                 else
9796                 {
9797                         R_SetupShader_Generic_NoTexture(false, false);
9798                         // fog sky
9799                         GL_BlendFunc(GL_ONE, GL_ZERO);
9800                         RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_NOGAPS, texturenumsurfaces, texturesurfacelist);
9801                         GL_Color(r_refdef.fogcolor[0], r_refdef.fogcolor[1], r_refdef.fogcolor[2], 1);
9802                         R_Mesh_PrepareVertices_Generic_Arrays(rsurface.batchnumvertices, rsurface.batchvertex3f, NULL, NULL);
9803                 }
9804                 RSurf_DrawBatch();
9805                 if (skyrendermasked)
9806                         GL_ColorMask(r_refdef.view.colormask[0], r_refdef.view.colormask[1], r_refdef.view.colormask[2], 1);
9807         }
9808         R_Mesh_ResetTextureState();
9809         GL_Color(1, 1, 1, 1);
9810 }
9811
9812 extern rtexture_t *r_shadow_prepasslightingdiffusetexture;
9813 extern rtexture_t *r_shadow_prepasslightingspeculartexture;
9814 static void R_DrawTextureSurfaceList_GL20(int texturenumsurfaces, const msurface_t **texturesurfacelist, qboolean writedepth, qboolean prepass)
9815 {
9816         if (r_fb.water.renderingscene && (rsurface.texture->currentmaterialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION | MATERIALFLAG_REFLECTION | MATERIALFLAG_CAMERA)))
9817                 return;
9818         if (prepass)
9819         {
9820                 // render screenspace normalmap to texture
9821                 GL_DepthMask(true);
9822                 R_SetupShader_Surface(vec3_origin, (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT) != 0, 1, 1, rsurface.texture->specularscale, RSURFPASS_DEFERREDGEOMETRY, texturenumsurfaces, texturesurfacelist, NULL, false);
9823                 RSurf_DrawBatch();
9824         }
9825
9826         // bind lightmap texture
9827
9828         // water/refraction/reflection/camera surfaces have to be handled specially
9829         if ((rsurface.texture->currentmaterialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION | MATERIALFLAG_CAMERA | MATERIALFLAG_REFLECTION)))
9830         {
9831                 int start, end, startplaneindex;
9832                 for (start = 0;start < texturenumsurfaces;start = end)
9833                 {
9834                         startplaneindex = RSurf_FindWaterPlaneForSurface(texturesurfacelist[start]);
9835                         if(startplaneindex < 0)
9836                         {
9837                                 // this happens if the plane e.g. got backface culled and thus didn't get a water plane. We can just ignore this.
9838                                 // Con_Printf("No matching water plane for surface with material flags 0x%08x - PLEASE DEBUG THIS\n", rsurface.texture->currentmaterialflags);
9839                                 end = start + 1;
9840                                 continue;
9841                         }
9842                         for (end = start + 1;end < texturenumsurfaces && startplaneindex == RSurf_FindWaterPlaneForSurface(texturesurfacelist[end]);end++)
9843                                 ;
9844                         // now that we have a batch using the same planeindex, render it
9845                         if ((rsurface.texture->currentmaterialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION | MATERIALFLAG_CAMERA)))
9846                         {
9847                                 // render water or distortion background
9848                                 GL_DepthMask(true);
9849                                 R_SetupShader_Surface(vec3_origin, (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT) != 0, 1, 1, rsurface.texture->specularscale, RSURFPASS_BACKGROUND, end-start, texturesurfacelist + start, (void *)(r_fb.water.waterplanes + startplaneindex), false);
9850                                 RSurf_DrawBatch();
9851                                 // blend surface on top
9852                                 GL_DepthMask(false);
9853                                 R_SetupShader_Surface(vec3_origin, (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT) != 0, 1, 1, rsurface.texture->specularscale, RSURFPASS_BASE, end-start, texturesurfacelist + start, NULL, false);
9854                                 RSurf_DrawBatch();
9855                         }
9856                         else if ((rsurface.texture->currentmaterialflags & MATERIALFLAG_REFLECTION))
9857                         {
9858                                 // render surface with reflection texture as input
9859                                 GL_DepthMask(writedepth && !(rsurface.texture->currentmaterialflags & MATERIALFLAG_BLENDED));
9860                                 R_SetupShader_Surface(vec3_origin, (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT) != 0, 1, 1, rsurface.texture->specularscale, RSURFPASS_BASE, end-start, texturesurfacelist + start, (void *)(r_fb.water.waterplanes + startplaneindex), false);
9861                                 RSurf_DrawBatch();
9862                         }
9863                 }
9864                 return;
9865         }
9866
9867         // render surface batch normally
9868         GL_DepthMask(writedepth && !(rsurface.texture->currentmaterialflags & MATERIALFLAG_BLENDED));
9869         R_SetupShader_Surface(vec3_origin, (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT) != 0, 1, 1, rsurface.texture->specularscale, RSURFPASS_BASE, texturenumsurfaces, texturesurfacelist, NULL, (rsurface.texture->currentmaterialflags & MATERIALFLAG_SKY) != 0);
9870         RSurf_DrawBatch();
9871 }
9872
9873 static void R_DrawTextureSurfaceList_GL13(int texturenumsurfaces, const msurface_t **texturesurfacelist, qboolean writedepth)
9874 {
9875         // OpenGL 1.3 path - anything not completely ancient
9876         qboolean applycolor;
9877         qboolean applyfog;
9878         int layerindex;
9879         const texturelayer_t *layer;
9880         RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_NORMAL | ((!rsurface.uselightmaptexture && !(rsurface.texture->currentmaterialflags & MATERIALFLAG_FULLBRIGHT)) ? BATCHNEED_ARRAY_VERTEXCOLOR : 0) | BATCHNEED_ARRAY_TEXCOORD | (rsurface.modeltexcoordlightmap2f ? BATCHNEED_ARRAY_LIGHTMAP : 0) | BATCHNEED_NOGAPS, texturenumsurfaces, texturesurfacelist);
9881         R_Mesh_VertexPointer(3, GL_FLOAT, sizeof(float[3]), rsurface.batchvertex3f, rsurface.batchvertex3f_vertexbuffer, rsurface.batchvertex3f_bufferoffset);
9882
9883         for (layerindex = 0, layer = rsurface.texture->currentlayers;layerindex < rsurface.texture->currentnumlayers;layerindex++, layer++)
9884         {
9885                 vec4_t layercolor;
9886                 int layertexrgbscale;
9887                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST)
9888                 {
9889                         if (layerindex == 0)
9890                                 GL_AlphaTest(true);
9891                         else
9892                         {
9893                                 GL_AlphaTest(false);
9894                                 GL_DepthFunc(GL_EQUAL);
9895                         }
9896                 }
9897                 GL_DepthMask(layer->depthmask && writedepth);
9898                 GL_BlendFunc(layer->blendfunc1, layer->blendfunc2);
9899                 if (layer->color[0] > 2 || layer->color[1] > 2 || layer->color[2] > 2)
9900                 {
9901                         layertexrgbscale = 4;
9902                         VectorScale(layer->color, 0.25f, layercolor);
9903                 }
9904                 else if (layer->color[0] > 1 || layer->color[1] > 1 || layer->color[2] > 1)
9905                 {
9906                         layertexrgbscale = 2;
9907                         VectorScale(layer->color, 0.5f, layercolor);
9908                 }
9909                 else
9910                 {
9911                         layertexrgbscale = 1;
9912                         VectorScale(layer->color, 1.0f, layercolor);
9913                 }
9914                 layercolor[3] = layer->color[3];
9915                 applycolor = layercolor[0] != 1 || layercolor[1] != 1 || layercolor[2] != 1 || layercolor[3] != 1;
9916                 R_Mesh_ColorPointer(4, GL_FLOAT, sizeof(float[4]), NULL, 0, 0);
9917                 applyfog = r_refdef.fogenabled && (rsurface.texture->currentmaterialflags & MATERIALFLAG_BLENDED);
9918                 switch (layer->type)
9919                 {
9920                 case TEXTURELAYERTYPE_LITTEXTURE:
9921                         // single-pass lightmapped texture with 2x rgbscale
9922                         R_Mesh_TexBind(0, r_texture_white);
9923                         R_Mesh_TexMatrix(0, NULL);
9924                         R_Mesh_TexCombine(0, GL_MODULATE, GL_MODULATE, 1, 1);
9925                         R_Mesh_TexCoordPointer(0, 2, GL_FLOAT, sizeof(float[2]), rsurface.batchtexcoordlightmap2f, rsurface.batchtexcoordlightmap2f_vertexbuffer, rsurface.batchtexcoordlightmap2f_bufferoffset);
9926                         R_Mesh_TexBind(1, layer->texture);
9927                         R_Mesh_TexMatrix(1, &layer->texmatrix);
9928                         R_Mesh_TexCombine(1, GL_MODULATE, GL_MODULATE, layertexrgbscale, 1);
9929                         R_Mesh_TexCoordPointer(1, 2, GL_FLOAT, sizeof(float[2]), rsurface.batchtexcoordtexture2f, rsurface.batchtexcoordtexture2f_vertexbuffer, rsurface.batchtexcoordtexture2f_bufferoffset);
9930                         if (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT)
9931                                 RSurf_DrawBatch_GL11_VertexShade(layercolor[0], layercolor[1], layercolor[2], layercolor[3], applycolor, applyfog);
9932                         else if (FAKELIGHT_ENABLED)
9933                                 RSurf_DrawBatch_GL11_FakeLight(layercolor[0], layercolor[1], layercolor[2], layercolor[3], applycolor, applyfog);
9934                         else if (rsurface.uselightmaptexture)
9935                                 RSurf_DrawBatch_GL11_Lightmap(layercolor[0], layercolor[1], layercolor[2], layercolor[3], applycolor, applyfog);
9936                         else
9937                                 RSurf_DrawBatch_GL11_VertexColor(layercolor[0], layercolor[1], layercolor[2], layercolor[3], applycolor, applyfog);
9938                         break;
9939                 case TEXTURELAYERTYPE_TEXTURE:
9940                         // singletexture unlit texture with transparency support
9941                         R_Mesh_TexBind(0, layer->texture);
9942                         R_Mesh_TexMatrix(0, &layer->texmatrix);
9943                         R_Mesh_TexCombine(0, GL_MODULATE, GL_MODULATE, layertexrgbscale, 1);
9944                         R_Mesh_TexCoordPointer(0, 2, GL_FLOAT, sizeof(float[2]), rsurface.batchtexcoordtexture2f, rsurface.batchtexcoordtexture2f_vertexbuffer, rsurface.batchtexcoordtexture2f_bufferoffset);
9945                         R_Mesh_TexBind(1, 0);
9946                         R_Mesh_TexCoordPointer(1, 2, GL_FLOAT, sizeof(float[2]), NULL, 0, 0);
9947                         RSurf_DrawBatch_GL11_Unlit(layercolor[0], layercolor[1], layercolor[2], layercolor[3], applycolor, applyfog);
9948                         break;
9949                 case TEXTURELAYERTYPE_FOG:
9950                         // singletexture fogging
9951                         if (layer->texture)
9952                         {
9953                                 R_Mesh_TexBind(0, layer->texture);
9954                                 R_Mesh_TexMatrix(0, &layer->texmatrix);
9955                                 R_Mesh_TexCombine(0, GL_MODULATE, GL_MODULATE, layertexrgbscale, 1);
9956                                 R_Mesh_TexCoordPointer(0, 2, GL_FLOAT, sizeof(float[2]), rsurface.batchtexcoordtexture2f, rsurface.batchtexcoordtexture2f_vertexbuffer, rsurface.batchtexcoordtexture2f_bufferoffset);
9957                         }
9958                         else
9959                         {
9960                                 R_Mesh_TexBind(0, 0);
9961                                 R_Mesh_TexCoordPointer(0, 2, GL_FLOAT, sizeof(float[2]), NULL, 0, 0);
9962                         }
9963                         R_Mesh_TexBind(1, 0);
9964                         R_Mesh_TexCoordPointer(1, 2, GL_FLOAT, sizeof(float[2]), NULL, 0, 0);
9965                         // generate a color array for the fog pass
9966                         R_Mesh_ColorPointer(4, GL_FLOAT, sizeof(float[4]), rsurface.passcolor4f, 0, 0);
9967                         RSurf_DrawBatch_GL11_MakeFogColor(layercolor[0], layercolor[1], layercolor[2], layercolor[3]);
9968                         RSurf_DrawBatch();
9969                         break;
9970                 default:
9971                         Con_Printf("R_DrawTextureSurfaceList: unknown layer type %i\n", layer->type);
9972                 }
9973         }
9974         if (rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST)
9975         {
9976                 GL_DepthFunc(GL_LEQUAL);
9977                 GL_AlphaTest(false);
9978         }
9979 }
9980
9981 static void R_DrawTextureSurfaceList_GL11(int texturenumsurfaces, const msurface_t **texturesurfacelist, qboolean writedepth)
9982 {
9983         // OpenGL 1.1 - crusty old voodoo path
9984         qboolean applyfog;
9985         int layerindex;
9986         const texturelayer_t *layer;
9987         RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_NORMAL | ((!rsurface.uselightmaptexture && !(rsurface.texture->currentmaterialflags & MATERIALFLAG_FULLBRIGHT)) ? BATCHNEED_ARRAY_VERTEXCOLOR : 0) | BATCHNEED_ARRAY_TEXCOORD | (rsurface.modeltexcoordlightmap2f ? BATCHNEED_ARRAY_LIGHTMAP : 0) | BATCHNEED_NOGAPS, texturenumsurfaces, texturesurfacelist);
9988         R_Mesh_VertexPointer(3, GL_FLOAT, sizeof(float[3]), rsurface.batchvertex3f, rsurface.batchvertex3f_vertexbuffer, rsurface.batchvertex3f_bufferoffset);
9989
9990         for (layerindex = 0, layer = rsurface.texture->currentlayers;layerindex < rsurface.texture->currentnumlayers;layerindex++, layer++)
9991         {
9992                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST)
9993                 {
9994                         if (layerindex == 0)
9995                                 GL_AlphaTest(true);
9996                         else
9997                         {
9998                                 GL_AlphaTest(false);
9999                                 GL_DepthFunc(GL_EQUAL);
10000                         }
10001                 }
10002                 GL_DepthMask(layer->depthmask && writedepth);
10003                 GL_BlendFunc(layer->blendfunc1, layer->blendfunc2);
10004                 R_Mesh_ColorPointer(4, GL_FLOAT, sizeof(float[4]), NULL, 0, 0);
10005                 applyfog = r_refdef.fogenabled && (rsurface.texture->currentmaterialflags & MATERIALFLAG_BLENDED);
10006                 switch (layer->type)
10007                 {
10008                 case TEXTURELAYERTYPE_LITTEXTURE:
10009                         if (layer->blendfunc1 == GL_ONE && layer->blendfunc2 == GL_ZERO)
10010                         {
10011                                 // two-pass lit texture with 2x rgbscale
10012                                 // first the lightmap pass
10013                                 R_Mesh_TexBind(0, r_texture_white);
10014                                 R_Mesh_TexMatrix(0, NULL);
10015                                 R_Mesh_TexCombine(0, GL_MODULATE, GL_MODULATE, 1, 1);
10016                                 R_Mesh_TexCoordPointer(0, 2, GL_FLOAT, sizeof(float[2]), rsurface.batchtexcoordlightmap2f, rsurface.batchtexcoordlightmap2f_vertexbuffer, rsurface.batchtexcoordlightmap2f_bufferoffset);
10017                                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT)
10018                                         RSurf_DrawBatch_GL11_VertexShade(1, 1, 1, 1, false, false);
10019                                 else if (FAKELIGHT_ENABLED)
10020                                         RSurf_DrawBatch_GL11_FakeLight(1, 1, 1, 1, false, false);
10021                                 else if (rsurface.uselightmaptexture)
10022                                         RSurf_DrawBatch_GL11_Lightmap(1, 1, 1, 1, false, false);
10023                                 else
10024                                         RSurf_DrawBatch_GL11_VertexColor(1, 1, 1, 1, false, false);
10025                                 // then apply the texture to it
10026                                 GL_BlendFunc(GL_DST_COLOR, GL_SRC_COLOR);
10027                                 R_Mesh_TexBind(0, layer->texture);
10028                                 R_Mesh_TexMatrix(0, &layer->texmatrix);
10029                                 R_Mesh_TexCombine(0, GL_MODULATE, GL_MODULATE, 1, 1);
10030                                 R_Mesh_TexCoordPointer(0, 2, GL_FLOAT, sizeof(float[2]), rsurface.batchtexcoordtexture2f, rsurface.batchtexcoordtexture2f_vertexbuffer, rsurface.batchtexcoordtexture2f_bufferoffset);
10031                                 RSurf_DrawBatch_GL11_Unlit(layer->color[0] * 0.5f, layer->color[1] * 0.5f, layer->color[2] * 0.5f, layer->color[3], layer->color[0] != 2 || layer->color[1] != 2 || layer->color[2] != 2 || layer->color[3] != 1, false);
10032                         }
10033                         else
10034                         {
10035                                 // single pass vertex-lighting-only texture with 1x rgbscale and transparency support
10036                                 R_Mesh_TexBind(0, layer->texture);
10037                                 R_Mesh_TexMatrix(0, &layer->texmatrix);
10038                                 R_Mesh_TexCombine(0, GL_MODULATE, GL_MODULATE, 1, 1);
10039                                 R_Mesh_TexCoordPointer(0, 2, GL_FLOAT, sizeof(float[2]), rsurface.batchtexcoordtexture2f, rsurface.batchtexcoordtexture2f_vertexbuffer, rsurface.batchtexcoordtexture2f_bufferoffset);
10040                                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT)
10041                                         RSurf_DrawBatch_GL11_VertexShade(layer->color[0], layer->color[1], layer->color[2], layer->color[3], layer->color[0] != 1 || layer->color[1] != 1 || layer->color[2] != 1 || layer->color[3] != 1, applyfog);
10042                                 else
10043                                         RSurf_DrawBatch_GL11_VertexColor(layer->color[0], layer->color[1], layer->color[2], layer->color[3], layer->color[0] != 1 || layer->color[1] != 1 || layer->color[2] != 1 || layer->color[3] != 1, applyfog);
10044                         }
10045                         break;
10046                 case TEXTURELAYERTYPE_TEXTURE:
10047                         // singletexture unlit texture with transparency support
10048                         R_Mesh_TexBind(0, layer->texture);
10049                         R_Mesh_TexMatrix(0, &layer->texmatrix);
10050                         R_Mesh_TexCombine(0, GL_MODULATE, GL_MODULATE, 1, 1);
10051                         R_Mesh_TexCoordPointer(0, 2, GL_FLOAT, sizeof(float[2]), rsurface.batchtexcoordtexture2f, rsurface.batchtexcoordtexture2f_vertexbuffer, rsurface.batchtexcoordtexture2f_bufferoffset);
10052                         RSurf_DrawBatch_GL11_Unlit(layer->color[0], layer->color[1], layer->color[2], layer->color[3], layer->color[0] != 1 || layer->color[1] != 1 || layer->color[2] != 1 || layer->color[3] != 1, applyfog);
10053                         break;
10054                 case TEXTURELAYERTYPE_FOG:
10055                         // singletexture fogging
10056                         if (layer->texture)
10057                         {
10058                                 R_Mesh_TexBind(0, layer->texture);
10059                                 R_Mesh_TexMatrix(0, &layer->texmatrix);
10060                                 R_Mesh_TexCombine(0, GL_MODULATE, GL_MODULATE, 1, 1);
10061                                 R_Mesh_TexCoordPointer(0, 2, GL_FLOAT, sizeof(float[2]), rsurface.batchtexcoordtexture2f, rsurface.batchtexcoordtexture2f_vertexbuffer, rsurface.batchtexcoordtexture2f_bufferoffset);
10062                         }
10063                         else
10064                         {
10065                                 R_Mesh_TexBind(0, 0);
10066                                 R_Mesh_TexCoordPointer(0, 2, GL_FLOAT, sizeof(float[2]), NULL, 0, 0);
10067                         }
10068                         // generate a color array for the fog pass
10069                         R_Mesh_ColorPointer(4, GL_FLOAT, sizeof(float[4]), rsurface.passcolor4f, 0, 0);
10070                         RSurf_DrawBatch_GL11_MakeFogColor(layer->color[0], layer->color[1], layer->color[2], layer->color[3]);
10071                         RSurf_DrawBatch();
10072                         break;
10073                 default:
10074                         Con_Printf("R_DrawTextureSurfaceList: unknown layer type %i\n", layer->type);
10075                 }
10076         }
10077         if (rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST)
10078         {
10079                 GL_DepthFunc(GL_LEQUAL);
10080                 GL_AlphaTest(false);
10081         }
10082 }
10083
10084 static void R_DrawTextureSurfaceList_ShowSurfaces(int texturenumsurfaces, const msurface_t **texturesurfacelist, qboolean writedepth)
10085 {
10086         int vi;
10087         int j;
10088         r_vertexgeneric_t *batchvertex;
10089         float c[4];
10090
10091 //      R_Mesh_ResetTextureState();
10092         R_SetupShader_Generic_NoTexture(false, false);
10093
10094         if(rsurface.texture && rsurface.texture->currentskinframe)
10095         {
10096                 memcpy(c, rsurface.texture->currentskinframe->avgcolor, sizeof(c));
10097                 c[3] *= rsurface.texture->currentalpha;
10098         }
10099         else
10100         {
10101                 c[0] = 1;
10102                 c[1] = 0;
10103                 c[2] = 1;
10104                 c[3] = 1;
10105         }
10106
10107         if (rsurface.texture->pantstexture || rsurface.texture->shirttexture)
10108         {
10109                 c[0] = 0.5 * (rsurface.colormap_pantscolor[0] * 0.3 + rsurface.colormap_shirtcolor[0] * 0.7);
10110                 c[1] = 0.5 * (rsurface.colormap_pantscolor[1] * 0.3 + rsurface.colormap_shirtcolor[1] * 0.7);
10111                 c[2] = 0.5 * (rsurface.colormap_pantscolor[2] * 0.3 + rsurface.colormap_shirtcolor[2] * 0.7);
10112         }
10113
10114         // brighten it up (as texture value 127 means "unlit")
10115         c[0] *= 2 * r_refdef.view.colorscale;
10116         c[1] *= 2 * r_refdef.view.colorscale;
10117         c[2] *= 2 * r_refdef.view.colorscale;
10118
10119         if(rsurface.texture->currentmaterialflags & MATERIALFLAG_WATERALPHA)
10120                 c[3] *= r_wateralpha.value;
10121
10122         if(rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHA && c[3] != 1)
10123         {
10124                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
10125                 GL_DepthMask(false);
10126         }
10127         else if(rsurface.texture->currentmaterialflags & MATERIALFLAG_ADD)
10128         {
10129                 GL_BlendFunc(GL_ONE, GL_ONE);
10130                 GL_DepthMask(false);
10131         }
10132         else if(rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST)
10133         {
10134                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); // can't do alpha test without texture, so let's blend instead
10135                 GL_DepthMask(false);
10136         }
10137         else if(rsurface.texture->currentmaterialflags & MATERIALFLAG_CUSTOMBLEND)
10138         {
10139                 GL_BlendFunc(rsurface.texture->customblendfunc[0], rsurface.texture->customblendfunc[1]);
10140                 GL_DepthMask(false);
10141         }
10142         else
10143         {
10144                 GL_BlendFunc(GL_ONE, GL_ZERO);
10145                 GL_DepthMask(writedepth);
10146         }
10147
10148         if (r_showsurfaces.integer == 3)
10149         {
10150                 rsurface.passcolor4f = NULL;
10151
10152                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_FULLBRIGHT)
10153                 {
10154                         RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_NOGAPS, texturenumsurfaces, texturesurfacelist);
10155
10156                         rsurface.passcolor4f = NULL;
10157                         rsurface.passcolor4f_vertexbuffer = 0;
10158                         rsurface.passcolor4f_bufferoffset = 0;
10159                 }
10160                 else if (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT)
10161                 {
10162                         qboolean applycolor = true;
10163                         float one = 1.0;
10164
10165                         RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_NORMAL | BATCHNEED_NOGAPS, texturenumsurfaces, texturesurfacelist);
10166
10167                         r_refdef.lightmapintensity = 1;
10168                         RSurf_DrawBatch_GL11_ApplyVertexShade(&one, &one, &one, &one, &applycolor);
10169                         r_refdef.lightmapintensity = 0; // we're in showsurfaces, after all
10170                 }
10171                 else if (FAKELIGHT_ENABLED)
10172                 {
10173                         RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_NORMAL | BATCHNEED_NOGAPS, texturenumsurfaces, texturesurfacelist);
10174
10175                         r_refdef.lightmapintensity = r_fakelight_intensity.value;
10176                         RSurf_DrawBatch_GL11_ApplyFakeLight();
10177                         r_refdef.lightmapintensity = 0; // we're in showsurfaces, after all
10178                 }
10179                 else
10180                 {
10181                         RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_VERTEXCOLOR | BATCHNEED_NOGAPS, texturenumsurfaces, texturesurfacelist);
10182
10183                         rsurface.passcolor4f = rsurface.batchlightmapcolor4f;
10184                         rsurface.passcolor4f_vertexbuffer = rsurface.batchlightmapcolor4f_vertexbuffer;
10185                         rsurface.passcolor4f_bufferoffset = rsurface.batchlightmapcolor4f_bufferoffset;
10186                 }
10187
10188                 if(!rsurface.passcolor4f)
10189                         RSurf_DrawBatch_GL11_MakeFullbrightLightmapColorArray();
10190
10191                 RSurf_DrawBatch_GL11_ApplyAmbient();
10192                 RSurf_DrawBatch_GL11_ApplyColor(c[0], c[1], c[2], c[3]);
10193                 if(r_refdef.fogenabled)
10194                         RSurf_DrawBatch_GL11_ApplyFogToFinishedVertexColors();
10195                 RSurf_DrawBatch_GL11_ClampColor();
10196
10197                 R_Mesh_PrepareVertices_Generic_Arrays(rsurface.batchnumvertices, rsurface.batchvertex3f, rsurface.passcolor4f, NULL);
10198                 R_SetupShader_Generic_NoTexture(false, false);
10199                 RSurf_DrawBatch();
10200         }
10201         else if (!r_refdef.view.showdebug)
10202         {
10203                 RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_NOGAPS, texturenumsurfaces, texturesurfacelist);
10204                 batchvertex = R_Mesh_PrepareVertices_Generic_Lock(rsurface.batchnumvertices);
10205                 for (j = 0, vi = rsurface.batchfirstvertex;j < rsurface.batchnumvertices;j++, vi++)
10206                 {
10207                         VectorCopy(rsurface.batchvertex3f + 3*vi, batchvertex[vi].vertex3f);
10208                         Vector4Set(batchvertex[vi].color4f, 0, 0, 0, 1);
10209                 }
10210                 R_Mesh_PrepareVertices_Generic_Unlock();
10211                 RSurf_DrawBatch();
10212         }
10213         else if (r_showsurfaces.integer == 4)
10214         {
10215                 RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_NOGAPS, texturenumsurfaces, texturesurfacelist);
10216                 batchvertex = R_Mesh_PrepareVertices_Generic_Lock(rsurface.batchnumvertices);
10217                 for (j = 0, vi = rsurface.batchfirstvertex;j < rsurface.batchnumvertices;j++, vi++)
10218                 {
10219                         unsigned char c = (vi << 3) * (1.0f / 256.0f);
10220                         VectorCopy(rsurface.batchvertex3f + 3*vi, batchvertex[vi].vertex3f);
10221                         Vector4Set(batchvertex[vi].color4f, c, c, c, 1);
10222                 }
10223                 R_Mesh_PrepareVertices_Generic_Unlock();
10224                 RSurf_DrawBatch();
10225         }
10226         else if (r_showsurfaces.integer == 2)
10227         {
10228                 const int *e;
10229                 RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_NOGAPS, texturenumsurfaces, texturesurfacelist);
10230                 batchvertex = R_Mesh_PrepareVertices_Generic_Lock(3*rsurface.batchnumtriangles);
10231                 for (j = 0, e = rsurface.batchelement3i + 3 * rsurface.batchfirsttriangle;j < rsurface.batchnumtriangles;j++, e += 3)
10232                 {
10233                         unsigned char c = ((j + rsurface.batchfirsttriangle) << 3) * (1.0f / 256.0f);
10234                         VectorCopy(rsurface.batchvertex3f + 3*e[0], batchvertex[j*3+0].vertex3f);
10235                         VectorCopy(rsurface.batchvertex3f + 3*e[1], batchvertex[j*3+1].vertex3f);
10236                         VectorCopy(rsurface.batchvertex3f + 3*e[2], batchvertex[j*3+2].vertex3f);
10237                         Vector4Set(batchvertex[j*3+0].color4f, c, c, c, 1);
10238                         Vector4Set(batchvertex[j*3+1].color4f, c, c, c, 1);
10239                         Vector4Set(batchvertex[j*3+2].color4f, c, c, c, 1);
10240                 }
10241                 R_Mesh_PrepareVertices_Generic_Unlock();
10242                 R_Mesh_Draw(0, rsurface.batchnumtriangles*3, 0, rsurface.batchnumtriangles, NULL, NULL, 0, NULL, NULL, 0);
10243         }
10244         else
10245         {
10246                 int texturesurfaceindex;
10247                 int k;
10248                 const msurface_t *surface;
10249                 float surfacecolor4f[4];
10250                 RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_NOGAPS, texturenumsurfaces, texturesurfacelist);
10251                 batchvertex = R_Mesh_PrepareVertices_Generic_Lock(rsurface.batchfirstvertex + rsurface.batchnumvertices);
10252                 vi = 0;
10253                 for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
10254                 {
10255                         surface = texturesurfacelist[texturesurfaceindex];
10256                         k = (int)(((size_t)surface) / sizeof(msurface_t));
10257                         Vector4Set(surfacecolor4f, (k & 0xF) * (1.0f / 16.0f), (k & 0xF0) * (1.0f / 256.0f), (k & 0xF00) * (1.0f / 4096.0f), 1);
10258                         for (j = 0;j < surface->num_vertices;j++)
10259                         {
10260                                 VectorCopy(rsurface.batchvertex3f + 3*vi, batchvertex[vi].vertex3f);
10261                                 Vector4Copy(surfacecolor4f, batchvertex[vi].color4f);
10262                                 vi++;
10263                         }
10264                 }
10265                 R_Mesh_PrepareVertices_Generic_Unlock();
10266                 RSurf_DrawBatch();
10267         }
10268 }
10269
10270 static void R_DrawWorldTextureSurfaceList(int texturenumsurfaces, const msurface_t **texturesurfacelist, qboolean writedepth, qboolean prepass)
10271 {
10272         CHECKGLERROR
10273         RSurf_SetupDepthAndCulling();
10274         if (r_showsurfaces.integer)
10275         {
10276                 R_DrawTextureSurfaceList_ShowSurfaces(texturenumsurfaces, texturesurfacelist, writedepth);
10277                 return;
10278         }
10279         switch (vid.renderpath)
10280         {
10281         case RENDERPATH_GL20:
10282         case RENDERPATH_D3D9:
10283         case RENDERPATH_D3D10:
10284         case RENDERPATH_D3D11:
10285         case RENDERPATH_SOFT:
10286         case RENDERPATH_GLES2:
10287                 R_DrawTextureSurfaceList_GL20(texturenumsurfaces, texturesurfacelist, writedepth, prepass);
10288                 break;
10289         case RENDERPATH_GL13:
10290         case RENDERPATH_GLES1:
10291                 R_DrawTextureSurfaceList_GL13(texturenumsurfaces, texturesurfacelist, writedepth);
10292                 break;
10293         case RENDERPATH_GL11:
10294                 R_DrawTextureSurfaceList_GL11(texturenumsurfaces, texturesurfacelist, writedepth);
10295                 break;
10296         }
10297         CHECKGLERROR
10298 }
10299
10300 static void R_DrawModelTextureSurfaceList(int texturenumsurfaces, const msurface_t **texturesurfacelist, qboolean writedepth, qboolean prepass)
10301 {
10302         CHECKGLERROR
10303         RSurf_SetupDepthAndCulling();
10304         if (r_showsurfaces.integer)
10305         {
10306                 R_DrawTextureSurfaceList_ShowSurfaces(texturenumsurfaces, texturesurfacelist, writedepth);
10307                 return;
10308         }
10309         switch (vid.renderpath)
10310         {
10311         case RENDERPATH_GL20:
10312         case RENDERPATH_D3D9:
10313         case RENDERPATH_D3D10:
10314         case RENDERPATH_D3D11:
10315         case RENDERPATH_SOFT:
10316         case RENDERPATH_GLES2:
10317                 R_DrawTextureSurfaceList_GL20(texturenumsurfaces, texturesurfacelist, writedepth, prepass);
10318                 break;
10319         case RENDERPATH_GL13:
10320         case RENDERPATH_GLES1:
10321                 R_DrawTextureSurfaceList_GL13(texturenumsurfaces, texturesurfacelist, writedepth);
10322                 break;
10323         case RENDERPATH_GL11:
10324                 R_DrawTextureSurfaceList_GL11(texturenumsurfaces, texturesurfacelist, writedepth);
10325                 break;
10326         }
10327         CHECKGLERROR
10328 }
10329
10330 static void R_DrawSurface_TransparentCallback(const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist)
10331 {
10332         int i, j;
10333         int texturenumsurfaces, endsurface;
10334         texture_t *texture;
10335         const msurface_t *surface;
10336         const msurface_t *texturesurfacelist[MESHQUEUE_TRANSPARENT_BATCHSIZE];
10337
10338         // if the model is static it doesn't matter what value we give for
10339         // wantnormals and wanttangents, so this logic uses only rules applicable
10340         // to a model, knowing that they are meaningless otherwise
10341         if (ent == r_refdef.scene.worldentity)
10342                 RSurf_ActiveWorldEntity();
10343         else if (r_showsurfaces.integer && r_showsurfaces.integer != 3)
10344                 RSurf_ActiveModelEntity(ent, false, false, false);
10345         else
10346         {
10347                 switch (vid.renderpath)
10348                 {
10349                 case RENDERPATH_GL20:
10350                 case RENDERPATH_D3D9:
10351                 case RENDERPATH_D3D10:
10352                 case RENDERPATH_D3D11:
10353                 case RENDERPATH_SOFT:
10354                 case RENDERPATH_GLES2:
10355                         RSurf_ActiveModelEntity(ent, true, true, false);
10356                         break;
10357                 case RENDERPATH_GL11:
10358                 case RENDERPATH_GL13:
10359                 case RENDERPATH_GLES1:
10360                         RSurf_ActiveModelEntity(ent, true, false, false);
10361                         break;
10362                 }
10363         }
10364
10365         if (r_transparentdepthmasking.integer)
10366         {
10367                 qboolean setup = false;
10368                 for (i = 0;i < numsurfaces;i = j)
10369                 {
10370                         j = i + 1;
10371                         surface = rsurface.modelsurfaces + surfacelist[i];
10372                         texture = surface->texture;
10373                         rsurface.texture = R_GetCurrentTexture(texture);
10374                         rsurface.lightmaptexture = NULL;
10375                         rsurface.deluxemaptexture = NULL;
10376                         rsurface.uselightmaptexture = false;
10377                         // scan ahead until we find a different texture
10378                         endsurface = min(i + 1024, numsurfaces);
10379                         texturenumsurfaces = 0;
10380                         texturesurfacelist[texturenumsurfaces++] = surface;
10381                         for (;j < endsurface;j++)
10382                         {
10383                                 surface = rsurface.modelsurfaces + surfacelist[j];
10384                                 if (texture != surface->texture)
10385                                         break;
10386                                 texturesurfacelist[texturenumsurfaces++] = surface;
10387                         }
10388                         if (!(rsurface.texture->currentmaterialflags & MATERIALFLAG_TRANSDEPTH))
10389                                 continue;
10390                         // render the range of surfaces as depth
10391                         if (!setup)
10392                         {
10393                                 setup = true;
10394                                 GL_ColorMask(0,0,0,0);
10395                                 GL_Color(1,1,1,1);
10396                                 GL_DepthTest(true);
10397                                 GL_BlendFunc(GL_ONE, GL_ZERO);
10398                                 GL_DepthMask(true);
10399 //                              R_Mesh_ResetTextureState();
10400                                 R_SetupShader_DepthOrShadow(false);
10401                         }
10402                         RSurf_SetupDepthAndCulling();
10403                         RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX, texturenumsurfaces, texturesurfacelist);
10404                         if (rsurface.batchvertex3fbuffer)
10405                                 R_Mesh_PrepareVertices_Vertex3f(rsurface.batchnumvertices, rsurface.batchvertex3f, rsurface.batchvertex3fbuffer);
10406                         else
10407                                 R_Mesh_PrepareVertices_Vertex3f(rsurface.batchnumvertices, rsurface.batchvertex3f, rsurface.batchvertex3f_vertexbuffer);
10408                         RSurf_DrawBatch();
10409                 }
10410                 if (setup)
10411                         GL_ColorMask(r_refdef.view.colormask[0], r_refdef.view.colormask[1], r_refdef.view.colormask[2], 1);
10412         }
10413
10414         for (i = 0;i < numsurfaces;i = j)
10415         {
10416                 j = i + 1;
10417                 surface = rsurface.modelsurfaces + surfacelist[i];
10418                 texture = surface->texture;
10419                 rsurface.texture = R_GetCurrentTexture(texture);
10420                 // scan ahead until we find a different texture
10421                 endsurface = min(i + MESHQUEUE_TRANSPARENT_BATCHSIZE, numsurfaces);
10422                 texturenumsurfaces = 0;
10423                 texturesurfacelist[texturenumsurfaces++] = surface;
10424                 if(FAKELIGHT_ENABLED)
10425                 {
10426                         rsurface.lightmaptexture = NULL;
10427                         rsurface.deluxemaptexture = NULL;
10428                         rsurface.uselightmaptexture = false;
10429                         for (;j < endsurface;j++)
10430                         {
10431                                 surface = rsurface.modelsurfaces + surfacelist[j];
10432                                 if (texture != surface->texture)
10433                                         break;
10434                                 texturesurfacelist[texturenumsurfaces++] = surface;
10435                         }
10436                 }
10437                 else
10438                 {
10439                         rsurface.lightmaptexture = surface->lightmaptexture;
10440                         rsurface.deluxemaptexture = surface->deluxemaptexture;
10441                         rsurface.uselightmaptexture = surface->lightmaptexture != NULL;
10442                         for (;j < endsurface;j++)
10443                         {
10444                                 surface = rsurface.modelsurfaces + surfacelist[j];
10445                                 if (texture != surface->texture || rsurface.lightmaptexture != surface->lightmaptexture)
10446                                         break;
10447                                 texturesurfacelist[texturenumsurfaces++] = surface;
10448                         }
10449                 }
10450                 // render the range of surfaces
10451                 if (ent == r_refdef.scene.worldentity)
10452                         R_DrawWorldTextureSurfaceList(texturenumsurfaces, texturesurfacelist, false, false);
10453                 else
10454                         R_DrawModelTextureSurfaceList(texturenumsurfaces, texturesurfacelist, false, false);
10455         }
10456         rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity
10457 }
10458
10459 static void R_ProcessTransparentTextureSurfaceList(int texturenumsurfaces, const msurface_t **texturesurfacelist, const entity_render_t *queueentity)
10460 {
10461         // transparent surfaces get pushed off into the transparent queue
10462         int surfacelistindex;
10463         const msurface_t *surface;
10464         vec3_t tempcenter, center;
10465         for (surfacelistindex = 0;surfacelistindex < texturenumsurfaces;surfacelistindex++)
10466         {
10467                 surface = texturesurfacelist[surfacelistindex];
10468                 tempcenter[0] = (surface->mins[0] + surface->maxs[0]) * 0.5f;
10469                 tempcenter[1] = (surface->mins[1] + surface->maxs[1]) * 0.5f;
10470                 tempcenter[2] = (surface->mins[2] + surface->maxs[2]) * 0.5f;
10471                 Matrix4x4_Transform(&rsurface.matrix, tempcenter, center);
10472                 if (queueentity->transparent_offset) // transparent offset
10473                 {
10474                         center[0] += r_refdef.view.forward[0]*queueentity->transparent_offset;
10475                         center[1] += r_refdef.view.forward[1]*queueentity->transparent_offset;
10476                         center[2] += r_refdef.view.forward[2]*queueentity->transparent_offset;
10477                 }
10478                 R_MeshQueue_AddTransparent(rsurface.texture->currentmaterialflags & MATERIALFLAG_NODEPTHTEST ? r_refdef.view.origin : center, R_DrawSurface_TransparentCallback, queueentity, surface - rsurface.modelsurfaces, rsurface.rtlight);
10479         }
10480 }
10481
10482 static void R_DrawTextureSurfaceList_DepthOnly(int texturenumsurfaces, const msurface_t **texturesurfacelist)
10483 {
10484         if ((rsurface.texture->currentmaterialflags & (MATERIALFLAG_NODEPTHTEST | MATERIALFLAG_BLENDED | MATERIALFLAG_ALPHATEST)))
10485                 return;
10486         if (r_fb.water.renderingscene && (rsurface.texture->currentmaterialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFLECTION)))
10487                 return;
10488         RSurf_SetupDepthAndCulling();
10489         RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX, texturenumsurfaces, texturesurfacelist);
10490         if (rsurface.batchvertex3fbuffer)
10491                 R_Mesh_PrepareVertices_Vertex3f(rsurface.batchnumvertices, rsurface.batchvertex3f, rsurface.batchvertex3fbuffer);
10492         else
10493                 R_Mesh_PrepareVertices_Vertex3f(rsurface.batchnumvertices, rsurface.batchvertex3f, rsurface.batchvertex3f_vertexbuffer);
10494         RSurf_DrawBatch();
10495 }
10496
10497 static void R_ProcessWorldTextureSurfaceList(int texturenumsurfaces, const msurface_t **texturesurfacelist, qboolean writedepth, qboolean depthonly, qboolean prepass)
10498 {
10499         const entity_render_t *queueentity = r_refdef.scene.worldentity;
10500         CHECKGLERROR
10501         if (depthonly)
10502                 R_DrawTextureSurfaceList_DepthOnly(texturenumsurfaces, texturesurfacelist);
10503         else if (prepass)
10504         {
10505                 if (!rsurface.texture->currentnumlayers)
10506                         return;
10507                 if (rsurface.texture->currentmaterialflags & MATERIALFLAGMASK_DEPTHSORTED)
10508                         R_ProcessTransparentTextureSurfaceList(texturenumsurfaces, texturesurfacelist, queueentity);
10509                 else
10510                         R_DrawWorldTextureSurfaceList(texturenumsurfaces, texturesurfacelist, writedepth, prepass);
10511         }
10512         else if ((rsurface.texture->currentmaterialflags & MATERIALFLAG_SKY) && (!r_showsurfaces.integer || r_showsurfaces.integer == 3))
10513                 R_DrawTextureSurfaceList_Sky(texturenumsurfaces, texturesurfacelist);
10514         else if (!rsurface.texture->currentnumlayers)
10515                 return;
10516         else if (((rsurface.texture->currentmaterialflags & MATERIALFLAGMASK_DEPTHSORTED) || (r_showsurfaces.integer == 3 && (rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST))) && queueentity)
10517         {
10518                 // in the deferred case, transparent surfaces were queued during prepass
10519                 if (!r_shadow_usingdeferredprepass)
10520                         R_ProcessTransparentTextureSurfaceList(texturenumsurfaces, texturesurfacelist, queueentity);
10521         }
10522         else
10523         {
10524                 // the alphatest check is to make sure we write depth for anything we skipped on the depth-only pass earlier
10525                 R_DrawWorldTextureSurfaceList(texturenumsurfaces, texturesurfacelist, writedepth || (rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST), prepass);
10526         }
10527         CHECKGLERROR
10528 }
10529
10530 void R_QueueWorldSurfaceList(int numsurfaces, const msurface_t **surfacelist, int flagsmask, qboolean writedepth, qboolean depthonly, qboolean prepass)
10531 {
10532         int i, j;
10533         texture_t *texture;
10534         R_FrameData_SetMark();
10535         // break the surface list down into batches by texture and use of lightmapping
10536         for (i = 0;i < numsurfaces;i = j)
10537         {
10538                 j = i + 1;
10539                 // texture is the base texture pointer, rsurface.texture is the
10540                 // current frame/skin the texture is directing us to use (for example
10541                 // if a model has 2 skins and it is on skin 1, then skin 0 tells us to
10542                 // use skin 1 instead)
10543                 texture = surfacelist[i]->texture;
10544                 rsurface.texture = R_GetCurrentTexture(texture);
10545                 if (!(rsurface.texture->currentmaterialflags & flagsmask) || (rsurface.texture->currentmaterialflags & MATERIALFLAG_NODRAW))
10546                 {
10547                         // if this texture is not the kind we want, skip ahead to the next one
10548                         for (;j < numsurfaces && texture == surfacelist[j]->texture;j++)
10549                                 ;
10550                         continue;
10551                 }
10552                 if(FAKELIGHT_ENABLED || depthonly || prepass)
10553                 {
10554                         rsurface.lightmaptexture = NULL;
10555                         rsurface.deluxemaptexture = NULL;
10556                         rsurface.uselightmaptexture = false;
10557                         // simply scan ahead until we find a different texture or lightmap state
10558                         for (;j < numsurfaces && texture == surfacelist[j]->texture;j++)
10559                                 ;
10560                 }
10561                 else
10562                 {
10563                         rsurface.lightmaptexture = surfacelist[i]->lightmaptexture;
10564                         rsurface.deluxemaptexture = surfacelist[i]->deluxemaptexture;
10565                         rsurface.uselightmaptexture = surfacelist[i]->lightmaptexture != NULL;
10566                         // simply scan ahead until we find a different texture or lightmap state
10567                         for (;j < numsurfaces && texture == surfacelist[j]->texture && rsurface.lightmaptexture == surfacelist[j]->lightmaptexture;j++)
10568                                 ;
10569                 }
10570                 // render the range of surfaces
10571                 R_ProcessWorldTextureSurfaceList(j - i, surfacelist + i, writedepth, depthonly, prepass);
10572         }
10573         R_FrameData_ReturnToMark();
10574 }
10575
10576 static void R_ProcessModelTextureSurfaceList(int texturenumsurfaces, const msurface_t **texturesurfacelist, qboolean writedepth, qboolean depthonly, const entity_render_t *queueentity, qboolean prepass)
10577 {
10578         CHECKGLERROR
10579         if (depthonly)
10580                 R_DrawTextureSurfaceList_DepthOnly(texturenumsurfaces, texturesurfacelist);
10581         else if (prepass)
10582         {
10583                 if (!rsurface.texture->currentnumlayers)
10584                         return;
10585                 if (rsurface.texture->currentmaterialflags & MATERIALFLAGMASK_DEPTHSORTED)
10586                         R_ProcessTransparentTextureSurfaceList(texturenumsurfaces, texturesurfacelist, queueentity);
10587                 else
10588                         R_DrawModelTextureSurfaceList(texturenumsurfaces, texturesurfacelist, writedepth, prepass);
10589         }
10590         else if ((rsurface.texture->currentmaterialflags & MATERIALFLAG_SKY) && (!r_showsurfaces.integer || r_showsurfaces.integer == 3))
10591                 R_DrawTextureSurfaceList_Sky(texturenumsurfaces, texturesurfacelist);
10592         else if (!rsurface.texture->currentnumlayers)
10593                 return;
10594         else if (((rsurface.texture->currentmaterialflags & MATERIALFLAGMASK_DEPTHSORTED) || (r_showsurfaces.integer == 3 && (rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST))) && queueentity)
10595         {
10596                 // in the deferred case, transparent surfaces were queued during prepass
10597                 if (!r_shadow_usingdeferredprepass)
10598                         R_ProcessTransparentTextureSurfaceList(texturenumsurfaces, texturesurfacelist, queueentity);
10599         }
10600         else
10601         {
10602                 // the alphatest check is to make sure we write depth for anything we skipped on the depth-only pass earlier
10603                 R_DrawModelTextureSurfaceList(texturenumsurfaces, texturesurfacelist, writedepth || (rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST), prepass);
10604         }
10605         CHECKGLERROR
10606 }
10607
10608 void R_QueueModelSurfaceList(entity_render_t *ent, int numsurfaces, const msurface_t **surfacelist, int flagsmask, qboolean writedepth, qboolean depthonly, qboolean prepass)
10609 {
10610         int i, j;
10611         texture_t *texture;
10612         R_FrameData_SetMark();
10613         // break the surface list down into batches by texture and use of lightmapping
10614         for (i = 0;i < numsurfaces;i = j)
10615         {
10616                 j = i + 1;
10617                 // texture is the base texture pointer, rsurface.texture is the
10618                 // current frame/skin the texture is directing us to use (for example
10619                 // if a model has 2 skins and it is on skin 1, then skin 0 tells us to
10620                 // use skin 1 instead)
10621                 texture = surfacelist[i]->texture;
10622                 rsurface.texture = R_GetCurrentTexture(texture);
10623                 if (!(rsurface.texture->currentmaterialflags & flagsmask) || (rsurface.texture->currentmaterialflags & MATERIALFLAG_NODRAW))
10624                 {
10625                         // if this texture is not the kind we want, skip ahead to the next one
10626                         for (;j < numsurfaces && texture == surfacelist[j]->texture;j++)
10627                                 ;
10628                         continue;
10629                 }
10630                 if(FAKELIGHT_ENABLED || depthonly || prepass)
10631                 {
10632                         rsurface.lightmaptexture = NULL;
10633                         rsurface.deluxemaptexture = NULL;
10634                         rsurface.uselightmaptexture = false;
10635                         // simply scan ahead until we find a different texture or lightmap state
10636                         for (;j < numsurfaces && texture == surfacelist[j]->texture;j++)
10637                                 ;
10638                 }
10639                 else
10640                 {
10641                         rsurface.lightmaptexture = surfacelist[i]->lightmaptexture;
10642                         rsurface.deluxemaptexture = surfacelist[i]->deluxemaptexture;
10643                         rsurface.uselightmaptexture = surfacelist[i]->lightmaptexture != NULL;
10644                         // simply scan ahead until we find a different texture or lightmap state
10645                         for (;j < numsurfaces && texture == surfacelist[j]->texture && rsurface.lightmaptexture == surfacelist[j]->lightmaptexture;j++)
10646                                 ;
10647                 }
10648                 // render the range of surfaces
10649                 R_ProcessModelTextureSurfaceList(j - i, surfacelist + i, writedepth, depthonly, ent, prepass);
10650         }
10651         R_FrameData_ReturnToMark();
10652 }
10653
10654 float locboxvertex3f[6*4*3] =
10655 {
10656         1,0,1, 1,0,0, 1,1,0, 1,1,1,
10657         0,1,1, 0,1,0, 0,0,0, 0,0,1,
10658         1,1,1, 1,1,0, 0,1,0, 0,1,1,
10659         0,0,1, 0,0,0, 1,0,0, 1,0,1,
10660         0,0,1, 1,0,1, 1,1,1, 0,1,1,
10661         1,0,0, 0,0,0, 0,1,0, 1,1,0
10662 };
10663
10664 unsigned short locboxelements[6*2*3] =
10665 {
10666          0, 1, 2, 0, 2, 3,
10667          4, 5, 6, 4, 6, 7,
10668          8, 9,10, 8,10,11,
10669         12,13,14, 12,14,15,
10670         16,17,18, 16,18,19,
10671         20,21,22, 20,22,23
10672 };
10673
10674 void R_DrawLoc_Callback(const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist)
10675 {
10676         int i, j;
10677         cl_locnode_t *loc = (cl_locnode_t *)ent;
10678         vec3_t mins, size;
10679         float vertex3f[6*4*3];
10680         CHECKGLERROR
10681         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
10682         GL_DepthMask(false);
10683         GL_DepthRange(0, 1);
10684         GL_PolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);
10685         GL_DepthTest(true);
10686         GL_CullFace(GL_NONE);
10687         R_EntityMatrix(&identitymatrix);
10688
10689 //      R_Mesh_ResetTextureState();
10690
10691         i = surfacelist[0];
10692         GL_Color(((i & 0x0007) >> 0) * (1.0f / 7.0f) * r_refdef.view.colorscale,
10693                          ((i & 0x0038) >> 3) * (1.0f / 7.0f) * r_refdef.view.colorscale,
10694                          ((i & 0x01C0) >> 6) * (1.0f / 7.0f) * r_refdef.view.colorscale,
10695                         surfacelist[0] < 0 ? 0.5f : 0.125f);
10696
10697         if (VectorCompare(loc->mins, loc->maxs))
10698         {
10699                 VectorSet(size, 2, 2, 2);
10700                 VectorMA(loc->mins, -0.5f, size, mins);
10701         }
10702         else
10703         {
10704                 VectorCopy(loc->mins, mins);
10705                 VectorSubtract(loc->maxs, loc->mins, size);
10706         }
10707
10708         for (i = 0;i < 6*4*3;)
10709                 for (j = 0;j < 3;j++, i++)
10710                         vertex3f[i] = mins[j] + size[j] * locboxvertex3f[i];
10711
10712         R_Mesh_PrepareVertices_Generic_Arrays(6*4, vertex3f, NULL, NULL);
10713         R_SetupShader_Generic_NoTexture(false, false);
10714         R_Mesh_Draw(0, 6*4, 0, 6*2, NULL, NULL, 0, locboxelements, NULL, 0);
10715 }
10716
10717 void R_DrawLocs(void)
10718 {
10719         int index;
10720         cl_locnode_t *loc, *nearestloc;
10721         vec3_t center;
10722         nearestloc = CL_Locs_FindNearest(cl.movement_origin);
10723         for (loc = cl.locnodes, index = 0;loc;loc = loc->next, index++)
10724         {
10725                 VectorLerp(loc->mins, 0.5f, loc->maxs, center);
10726                 R_MeshQueue_AddTransparent(center, R_DrawLoc_Callback, (entity_render_t *)loc, loc == nearestloc ? -1 : index, NULL);
10727         }
10728 }
10729
10730 void R_DecalSystem_Reset(decalsystem_t *decalsystem)
10731 {
10732         if (decalsystem->decals)
10733                 Mem_Free(decalsystem->decals);
10734         memset(decalsystem, 0, sizeof(*decalsystem));
10735 }
10736
10737 static void R_DecalSystem_SpawnTriangle(decalsystem_t *decalsystem, const float *v0, const float *v1, const float *v2, const float *t0, const float *t1, const float *t2, const float *c0, const float *c1, const float *c2, int triangleindex, int surfaceindex, int decalsequence)
10738 {
10739         tridecal_t *decal;
10740         tridecal_t *decals;
10741         int i;
10742
10743         // expand or initialize the system
10744         if (decalsystem->maxdecals <= decalsystem->numdecals)
10745         {
10746                 decalsystem_t old = *decalsystem;
10747                 qboolean useshortelements;
10748                 decalsystem->maxdecals = max(16, decalsystem->maxdecals * 2);
10749                 useshortelements = decalsystem->maxdecals * 3 <= 65536;
10750                 decalsystem->decals = (tridecal_t *)Mem_Alloc(cls.levelmempool, decalsystem->maxdecals * (sizeof(tridecal_t) + sizeof(float[3][3]) + sizeof(float[3][2]) + sizeof(float[3][4]) + sizeof(int[3]) + (useshortelements ? sizeof(unsigned short[3]) : 0)));
10751                 decalsystem->color4f = (float *)(decalsystem->decals + decalsystem->maxdecals);
10752                 decalsystem->texcoord2f = (float *)(decalsystem->color4f + decalsystem->maxdecals*12);
10753                 decalsystem->vertex3f = (float *)(decalsystem->texcoord2f + decalsystem->maxdecals*6);
10754                 decalsystem->element3i = (int *)(decalsystem->vertex3f + decalsystem->maxdecals*9);
10755                 decalsystem->element3s = (useshortelements ? ((unsigned short *)(decalsystem->element3i + decalsystem->maxdecals*3)) : NULL);
10756                 if (decalsystem->numdecals)
10757                         memcpy(decalsystem->decals, old.decals, decalsystem->numdecals * sizeof(tridecal_t));
10758                 if (old.decals)
10759                         Mem_Free(old.decals);
10760                 for (i = 0;i < decalsystem->maxdecals*3;i++)
10761                         decalsystem->element3i[i] = i;
10762                 if (useshortelements)
10763                         for (i = 0;i < decalsystem->maxdecals*3;i++)
10764                                 decalsystem->element3s[i] = i;
10765         }
10766
10767         // grab a decal and search for another free slot for the next one
10768         decals = decalsystem->decals;
10769         decal = decalsystem->decals + (i = decalsystem->freedecal++);
10770         for (i = decalsystem->freedecal;i < decalsystem->numdecals && decals[i].color4f[0][3];i++)
10771                 ;
10772         decalsystem->freedecal = i;
10773         if (decalsystem->numdecals <= i)
10774                 decalsystem->numdecals = i + 1;
10775
10776         // initialize the decal
10777         decal->lived = 0;
10778         decal->triangleindex = triangleindex;
10779         decal->surfaceindex = surfaceindex;
10780         decal->decalsequence = decalsequence;
10781         decal->color4f[0][0] = c0[0];
10782         decal->color4f[0][1] = c0[1];
10783         decal->color4f[0][2] = c0[2];
10784         decal->color4f[0][3] = 1;
10785         decal->color4f[1][0] = c1[0];
10786         decal->color4f[1][1] = c1[1];
10787         decal->color4f[1][2] = c1[2];
10788         decal->color4f[1][3] = 1;
10789         decal->color4f[2][0] = c2[0];
10790         decal->color4f[2][1] = c2[1];
10791         decal->color4f[2][2] = c2[2];
10792         decal->color4f[2][3] = 1;
10793         decal->vertex3f[0][0] = v0[0];
10794         decal->vertex3f[0][1] = v0[1];
10795         decal->vertex3f[0][2] = v0[2];
10796         decal->vertex3f[1][0] = v1[0];
10797         decal->vertex3f[1][1] = v1[1];
10798         decal->vertex3f[1][2] = v1[2];
10799         decal->vertex3f[2][0] = v2[0];
10800         decal->vertex3f[2][1] = v2[1];
10801         decal->vertex3f[2][2] = v2[2];
10802         decal->texcoord2f[0][0] = t0[0];
10803         decal->texcoord2f[0][1] = t0[1];
10804         decal->texcoord2f[1][0] = t1[0];
10805         decal->texcoord2f[1][1] = t1[1];
10806         decal->texcoord2f[2][0] = t2[0];
10807         decal->texcoord2f[2][1] = t2[1];
10808         TriangleNormal(v0, v1, v2, decal->plane);
10809         VectorNormalize(decal->plane);
10810         decal->plane[3] = DotProduct(v0, decal->plane);
10811 }
10812
10813 extern cvar_t cl_decals_bias;
10814 extern cvar_t cl_decals_models;
10815 extern cvar_t cl_decals_newsystem_intensitymultiplier;
10816 // baseparms, parms, temps
10817 static void R_DecalSystem_SplatTriangle(decalsystem_t *decalsystem, float r, float g, float b, float a, float s1, float t1, float s2, float t2, int decalsequence, qboolean dynamic, float (*planes)[4], matrix4x4_t *projection, int triangleindex, int surfaceindex)
10818 {
10819         int cornerindex;
10820         int index;
10821         float v[9][3];
10822         const float *vertex3f;
10823         const float *normal3f;
10824         int numpoints;
10825         float points[2][9][3];
10826         float temp[3];
10827         float tc[9][2];
10828         float f;
10829         float c[9][4];
10830         const int *e;
10831
10832         e = rsurface.modelelement3i + 3*triangleindex;
10833
10834         vertex3f = rsurface.modelvertex3f;
10835         normal3f = rsurface.modelnormal3f;
10836
10837         if (normal3f)
10838         {
10839                 for (cornerindex = 0;cornerindex < 3;cornerindex++)
10840                 {
10841                         index = 3*e[cornerindex];
10842                         VectorMA(vertex3f + index, cl_decals_bias.value, normal3f + index, v[cornerindex]);
10843                 }
10844         }
10845         else
10846         {
10847                 for (cornerindex = 0;cornerindex < 3;cornerindex++)
10848                 {
10849                         index = 3*e[cornerindex];
10850                         VectorCopy(vertex3f + index, v[cornerindex]);
10851                 }
10852         }
10853
10854         // cull backfaces
10855         //TriangleNormal(v[0], v[1], v[2], normal);
10856         //if (DotProduct(normal, localnormal) < 0.0f)
10857         //      continue;
10858         // clip by each of the box planes formed from the projection matrix
10859         // if anything survives, we emit the decal
10860         numpoints = PolygonF_Clip(3        , v[0]        , planes[0][0], planes[0][1], planes[0][2], planes[0][3], 1.0f/64.0f, sizeof(points[0])/sizeof(points[0][0]), points[1][0]);
10861         if (numpoints < 3)
10862                 return;
10863         numpoints = PolygonF_Clip(numpoints, points[1][0], planes[1][0], planes[1][1], planes[1][2], planes[1][3], 1.0f/64.0f, sizeof(points[0])/sizeof(points[0][0]), points[0][0]);
10864         if (numpoints < 3)
10865                 return;
10866         numpoints = PolygonF_Clip(numpoints, points[0][0], planes[2][0], planes[2][1], planes[2][2], planes[2][3], 1.0f/64.0f, sizeof(points[0])/sizeof(points[0][0]), points[1][0]);
10867         if (numpoints < 3)
10868                 return;
10869         numpoints = PolygonF_Clip(numpoints, points[1][0], planes[3][0], planes[3][1], planes[3][2], planes[3][3], 1.0f/64.0f, sizeof(points[0])/sizeof(points[0][0]), points[0][0]);
10870         if (numpoints < 3)
10871                 return;
10872         numpoints = PolygonF_Clip(numpoints, points[0][0], planes[4][0], planes[4][1], planes[4][2], planes[4][3], 1.0f/64.0f, sizeof(points[0])/sizeof(points[0][0]), points[1][0]);
10873         if (numpoints < 3)
10874                 return;
10875         numpoints = PolygonF_Clip(numpoints, points[1][0], planes[5][0], planes[5][1], planes[5][2], planes[5][3], 1.0f/64.0f, sizeof(points[0])/sizeof(points[0][0]), v[0]);
10876         if (numpoints < 3)
10877                 return;
10878         // some part of the triangle survived, so we have to accept it...
10879         if (dynamic)
10880         {
10881                 // dynamic always uses the original triangle
10882                 numpoints = 3;
10883                 for (cornerindex = 0;cornerindex < 3;cornerindex++)
10884                 {
10885                         index = 3*e[cornerindex];
10886                         VectorCopy(vertex3f + index, v[cornerindex]);
10887                 }
10888         }
10889         for (cornerindex = 0;cornerindex < numpoints;cornerindex++)
10890         {
10891                 // convert vertex positions to texcoords
10892                 Matrix4x4_Transform(projection, v[cornerindex], temp);
10893                 tc[cornerindex][0] = (temp[1]+1.0f)*0.5f * (s2-s1) + s1;
10894                 tc[cornerindex][1] = (temp[2]+1.0f)*0.5f * (t2-t1) + t1;
10895                 // calculate distance fade from the projection origin
10896                 f = a * (1.0f-fabs(temp[0])) * cl_decals_newsystem_intensitymultiplier.value;
10897                 f = bound(0.0f, f, 1.0f);
10898                 c[cornerindex][0] = r * f;
10899                 c[cornerindex][1] = g * f;
10900                 c[cornerindex][2] = b * f;
10901                 c[cornerindex][3] = 1.0f;
10902                 //VectorMA(v[cornerindex], cl_decals_bias.value, localnormal, v[cornerindex]);
10903         }
10904         if (dynamic)
10905                 R_DecalSystem_SpawnTriangle(decalsystem, v[0], v[1], v[2], tc[0], tc[1], tc[2], c[0], c[1], c[2], triangleindex, surfaceindex, decalsequence);
10906         else
10907                 for (cornerindex = 0;cornerindex < numpoints-2;cornerindex++)
10908                         R_DecalSystem_SpawnTriangle(decalsystem, v[0], v[cornerindex+1], v[cornerindex+2], tc[0], tc[cornerindex+1], tc[cornerindex+2], c[0], c[cornerindex+1], c[cornerindex+2], -1, surfaceindex, decalsequence);
10909 }
10910 static void R_DecalSystem_SplatEntity(entity_render_t *ent, const vec3_t worldorigin, const vec3_t worldnormal, float r, float g, float b, float a, float s1, float t1, float s2, float t2, float worldsize, int decalsequence)
10911 {
10912         matrix4x4_t projection;
10913         decalsystem_t *decalsystem;
10914         qboolean dynamic;
10915         dp_model_t *model;
10916         const msurface_t *surface;
10917         const msurface_t *surfaces;
10918         const int *surfacelist;
10919         const texture_t *texture;
10920         int numtriangles;
10921         int numsurfacelist;
10922         int surfacelistindex;
10923         int surfaceindex;
10924         int triangleindex;
10925         float localorigin[3];
10926         float localnormal[3];
10927         float localmins[3];
10928         float localmaxs[3];
10929         float localsize;
10930         //float normal[3];
10931         float planes[6][4];
10932         float angles[3];
10933         bih_t *bih;
10934         int bih_triangles_count;
10935         int bih_triangles[256];
10936         int bih_surfaces[256];
10937
10938         decalsystem = &ent->decalsystem;
10939         model = ent->model;
10940         if (!model || !ent->allowdecals || ent->alpha < 1 || (ent->flags & (RENDER_ADDITIVE | RENDER_NODEPTHTEST)))
10941         {
10942                 R_DecalSystem_Reset(&ent->decalsystem);
10943                 return;
10944         }
10945
10946         if (!model->brush.data_leafs && !cl_decals_models.integer)
10947         {
10948                 if (decalsystem->model)
10949                         R_DecalSystem_Reset(decalsystem);
10950                 return;
10951         }
10952
10953         if (decalsystem->model != model)
10954                 R_DecalSystem_Reset(decalsystem);
10955         decalsystem->model = model;
10956
10957         RSurf_ActiveModelEntity(ent, true, false, false);
10958
10959         Matrix4x4_Transform(&rsurface.inversematrix, worldorigin, localorigin);
10960         Matrix4x4_Transform3x3(&rsurface.inversematrix, worldnormal, localnormal);
10961         VectorNormalize(localnormal);
10962         localsize = worldsize*rsurface.inversematrixscale;
10963         localmins[0] = localorigin[0] - localsize;
10964         localmins[1] = localorigin[1] - localsize;
10965         localmins[2] = localorigin[2] - localsize;
10966         localmaxs[0] = localorigin[0] + localsize;
10967         localmaxs[1] = localorigin[1] + localsize;
10968         localmaxs[2] = localorigin[2] + localsize;
10969
10970         //VectorCopy(localnormal, planes[4]);
10971         //VectorVectors(planes[4], planes[2], planes[0]);
10972         AnglesFromVectors(angles, localnormal, NULL, false);
10973         AngleVectors(angles, planes[0], planes[2], planes[4]);
10974         VectorNegate(planes[0], planes[1]);
10975         VectorNegate(planes[2], planes[3]);
10976         VectorNegate(planes[4], planes[5]);
10977         planes[0][3] = DotProduct(planes[0], localorigin) - localsize;
10978         planes[1][3] = DotProduct(planes[1], localorigin) - localsize;
10979         planes[2][3] = DotProduct(planes[2], localorigin) - localsize;
10980         planes[3][3] = DotProduct(planes[3], localorigin) - localsize;
10981         planes[4][3] = DotProduct(planes[4], localorigin) - localsize;
10982         planes[5][3] = DotProduct(planes[5], localorigin) - localsize;
10983
10984 #if 1
10985 // works
10986 {
10987         matrix4x4_t forwardprojection;
10988         Matrix4x4_CreateFromQuakeEntity(&forwardprojection, localorigin[0], localorigin[1], localorigin[2], angles[0], angles[1], angles[2], localsize);
10989         Matrix4x4_Invert_Simple(&projection, &forwardprojection);
10990 }
10991 #else
10992 // broken
10993 {
10994         float projectionvector[4][3];
10995         VectorScale(planes[0], ilocalsize, projectionvector[0]);
10996         VectorScale(planes[2], ilocalsize, projectionvector[1]);
10997         VectorScale(planes[4], ilocalsize, projectionvector[2]);
10998         projectionvector[0][0] = planes[0][0] * ilocalsize;
10999         projectionvector[0][1] = planes[1][0] * ilocalsize;
11000         projectionvector[0][2] = planes[2][0] * ilocalsize;
11001         projectionvector[1][0] = planes[0][1] * ilocalsize;
11002         projectionvector[1][1] = planes[1][1] * ilocalsize;
11003         projectionvector[1][2] = planes[2][1] * ilocalsize;
11004         projectionvector[2][0] = planes[0][2] * ilocalsize;
11005         projectionvector[2][1] = planes[1][2] * ilocalsize;
11006         projectionvector[2][2] = planes[2][2] * ilocalsize;
11007         projectionvector[3][0] = -(localorigin[0]*projectionvector[0][0]+localorigin[1]*projectionvector[1][0]+localorigin[2]*projectionvector[2][0]);
11008         projectionvector[3][1] = -(localorigin[0]*projectionvector[0][1]+localorigin[1]*projectionvector[1][1]+localorigin[2]*projectionvector[2][1]);
11009         projectionvector[3][2] = -(localorigin[0]*projectionvector[0][2]+localorigin[1]*projectionvector[1][2]+localorigin[2]*projectionvector[2][2]);
11010         Matrix4x4_FromVectors(&projection, projectionvector[0], projectionvector[1], projectionvector[2], projectionvector[3]);
11011 }
11012 #endif
11013
11014         dynamic = model->surfmesh.isanimated;
11015         numsurfacelist = model->nummodelsurfaces;
11016         surfacelist = model->sortedmodelsurfaces;
11017         surfaces = model->data_surfaces;
11018
11019         bih = NULL;
11020         bih_triangles_count = -1;
11021         if(!dynamic)
11022         {
11023                 if(model->render_bih.numleafs)
11024                         bih = &model->render_bih;
11025                 else if(model->collision_bih.numleafs)
11026                         bih = &model->collision_bih;
11027         }
11028         if(bih)
11029                 bih_triangles_count = BIH_GetTriangleListForBox(bih, sizeof(bih_triangles) / sizeof(*bih_triangles), bih_triangles, bih_surfaces, localmins, localmaxs);
11030         if(bih_triangles_count == 0)
11031                 return;
11032         if(bih_triangles_count > (int) (sizeof(bih_triangles) / sizeof(*bih_triangles))) // hit too many, likely bad anyway
11033                 return;
11034         if(bih_triangles_count > 0)
11035         {
11036                 for (triangleindex = 0; triangleindex < bih_triangles_count; ++triangleindex)
11037                 {
11038                         surfaceindex = bih_surfaces[triangleindex];
11039                         surface = surfaces + surfaceindex;
11040                         texture = surface->texture;
11041                         if (texture->currentmaterialflags & (MATERIALFLAG_BLENDED | MATERIALFLAG_NODEPTHTEST | MATERIALFLAG_SKY | MATERIALFLAG_SHORTDEPTHRANGE | MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION))
11042                                 continue;
11043                         if (texture->surfaceflags & Q3SURFACEFLAG_NOMARKS)
11044                                 continue;
11045                         R_DecalSystem_SplatTriangle(decalsystem, r, g, b, a, s1, t1, s2, t2, decalsequence, dynamic, planes, &projection, bih_triangles[triangleindex], surfaceindex);
11046                 }
11047         }
11048         else
11049         {
11050                 for (surfacelistindex = 0;surfacelistindex < numsurfacelist;surfacelistindex++)
11051                 {
11052                         surfaceindex = surfacelist[surfacelistindex];
11053                         surface = surfaces + surfaceindex;
11054                         // check cull box first because it rejects more than any other check
11055                         if (!dynamic && !BoxesOverlap(surface->mins, surface->maxs, localmins, localmaxs))
11056                                 continue;
11057                         // skip transparent surfaces
11058                         texture = surface->texture;
11059                         if (texture->currentmaterialflags & (MATERIALFLAG_BLENDED | MATERIALFLAG_NODEPTHTEST | MATERIALFLAG_SKY | MATERIALFLAG_SHORTDEPTHRANGE | MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION))
11060                                 continue;
11061                         if (texture->surfaceflags & Q3SURFACEFLAG_NOMARKS)
11062                                 continue;
11063                         numtriangles = surface->num_triangles;
11064                         for (triangleindex = 0; triangleindex < numtriangles; triangleindex++)
11065                                 R_DecalSystem_SplatTriangle(decalsystem, r, g, b, a, s1, t1, s2, t2, decalsequence, dynamic, planes, &projection, triangleindex + surface->num_firsttriangle, surfaceindex);
11066                 }
11067         }
11068 }
11069
11070 // do not call this outside of rendering code - use R_DecalSystem_SplatEntities instead
11071 static void R_DecalSystem_ApplySplatEntities(const vec3_t worldorigin, const vec3_t worldnormal, float r, float g, float b, float a, float s1, float t1, float s2, float t2, float worldsize, int decalsequence)
11072 {
11073         int renderentityindex;
11074         float worldmins[3];
11075         float worldmaxs[3];
11076         entity_render_t *ent;
11077
11078         if (!cl_decals_newsystem.integer)
11079                 return;
11080
11081         worldmins[0] = worldorigin[0] - worldsize;
11082         worldmins[1] = worldorigin[1] - worldsize;
11083         worldmins[2] = worldorigin[2] - worldsize;
11084         worldmaxs[0] = worldorigin[0] + worldsize;
11085         worldmaxs[1] = worldorigin[1] + worldsize;
11086         worldmaxs[2] = worldorigin[2] + worldsize;
11087
11088         R_DecalSystem_SplatEntity(r_refdef.scene.worldentity, worldorigin, worldnormal, r, g, b, a, s1, t1, s2, t2, worldsize, decalsequence);
11089
11090         for (renderentityindex = 0;renderentityindex < r_refdef.scene.numentities;renderentityindex++)
11091         {
11092                 ent = r_refdef.scene.entities[renderentityindex];
11093                 if (!BoxesOverlap(ent->mins, ent->maxs, worldmins, worldmaxs))
11094                         continue;
11095
11096                 R_DecalSystem_SplatEntity(ent, worldorigin, worldnormal, r, g, b, a, s1, t1, s2, t2, worldsize, decalsequence);
11097         }
11098 }
11099
11100 typedef struct r_decalsystem_splatqueue_s
11101 {
11102         vec3_t worldorigin;
11103         vec3_t worldnormal;
11104         float color[4];
11105         float tcrange[4];
11106         float worldsize;
11107         int decalsequence;
11108 }
11109 r_decalsystem_splatqueue_t;
11110
11111 int r_decalsystem_numqueued = 0;
11112 r_decalsystem_splatqueue_t r_decalsystem_queue[MAX_DECALSYSTEM_QUEUE];
11113
11114 void R_DecalSystem_SplatEntities(const vec3_t worldorigin, const vec3_t worldnormal, float r, float g, float b, float a, float s1, float t1, float s2, float t2, float worldsize)
11115 {
11116         r_decalsystem_splatqueue_t *queue;
11117
11118         if (!cl_decals_newsystem.integer || r_decalsystem_numqueued == MAX_DECALSYSTEM_QUEUE)
11119                 return;
11120
11121         queue = &r_decalsystem_queue[r_decalsystem_numqueued++];
11122         VectorCopy(worldorigin, queue->worldorigin);
11123         VectorCopy(worldnormal, queue->worldnormal);
11124         Vector4Set(queue->color, r, g, b, a);
11125         Vector4Set(queue->tcrange, s1, t1, s2, t2);
11126         queue->worldsize = worldsize;
11127         queue->decalsequence = cl.decalsequence++;
11128 }
11129
11130 static void R_DecalSystem_ApplySplatEntitiesQueue(void)
11131 {
11132         int i;
11133         r_decalsystem_splatqueue_t *queue;
11134
11135         for (i = 0, queue = r_decalsystem_queue;i < r_decalsystem_numqueued;i++, queue++)
11136                 R_DecalSystem_ApplySplatEntities(queue->worldorigin, queue->worldnormal, queue->color[0], queue->color[1], queue->color[2], queue->color[3], queue->tcrange[0], queue->tcrange[1], queue->tcrange[2], queue->tcrange[3], queue->worldsize, queue->decalsequence);
11137         r_decalsystem_numqueued = 0;
11138 }
11139
11140 extern cvar_t cl_decals_max;
11141 static void R_DrawModelDecals_FadeEntity(entity_render_t *ent)
11142 {
11143         int i;
11144         decalsystem_t *decalsystem = &ent->decalsystem;
11145         int numdecals;
11146         int killsequence;
11147         tridecal_t *decal;
11148         float frametime;
11149         float lifetime;
11150
11151         if (!decalsystem->numdecals)
11152                 return;
11153
11154         if (r_showsurfaces.integer)
11155                 return;
11156
11157         if (ent->model != decalsystem->model || ent->alpha < 1 || (ent->flags & RENDER_ADDITIVE))
11158         {
11159                 R_DecalSystem_Reset(decalsystem);
11160                 return;
11161         }
11162
11163         killsequence = cl.decalsequence - max(1, cl_decals_max.integer);
11164         lifetime = cl_decals_time.value + cl_decals_fadetime.value;
11165
11166         if (decalsystem->lastupdatetime)
11167                 frametime = (r_refdef.scene.time - decalsystem->lastupdatetime);
11168         else
11169                 frametime = 0;
11170         decalsystem->lastupdatetime = r_refdef.scene.time;
11171         decal = decalsystem->decals;
11172         numdecals = decalsystem->numdecals;
11173
11174         for (i = 0, decal = decalsystem->decals;i < numdecals;i++, decal++)
11175         {
11176                 if (decal->color4f[0][3])
11177                 {
11178                         decal->lived += frametime;
11179                         if (killsequence - decal->decalsequence > 0 || decal->lived >= lifetime)
11180                         {
11181                                 memset(decal, 0, sizeof(*decal));
11182                                 if (decalsystem->freedecal > i)
11183                                         decalsystem->freedecal = i;
11184                         }
11185                 }
11186         }
11187         decal = decalsystem->decals;
11188         while (numdecals > 0 && !decal[numdecals-1].color4f[0][3])
11189                 numdecals--;
11190
11191         // collapse the array by shuffling the tail decals into the gaps
11192         for (;;)
11193         {
11194                 while (decalsystem->freedecal < numdecals && decal[decalsystem->freedecal].color4f[0][3])
11195                         decalsystem->freedecal++;
11196                 if (decalsystem->freedecal == numdecals)
11197                         break;
11198                 decal[decalsystem->freedecal] = decal[--numdecals];
11199         }
11200
11201         decalsystem->numdecals = numdecals;
11202
11203         if (numdecals <= 0)
11204         {
11205                 // if there are no decals left, reset decalsystem
11206                 R_DecalSystem_Reset(decalsystem);
11207         }
11208 }
11209
11210 extern skinframe_t *decalskinframe;
11211 static void R_DrawModelDecals_Entity(entity_render_t *ent)
11212 {
11213         int i;
11214         decalsystem_t *decalsystem = &ent->decalsystem;
11215         int numdecals;
11216         tridecal_t *decal;
11217         float faderate;
11218         float alpha;
11219         float *v3f;
11220         float *c4f;
11221         float *t2f;
11222         const int *e;
11223         const unsigned char *surfacevisible = ent == r_refdef.scene.worldentity ? r_refdef.viewcache.world_surfacevisible : NULL;
11224         int numtris = 0;
11225
11226         numdecals = decalsystem->numdecals;
11227         if (!numdecals)
11228                 return;
11229
11230         if (r_showsurfaces.integer)
11231                 return;
11232
11233         if (ent->model != decalsystem->model || ent->alpha < 1 || (ent->flags & RENDER_ADDITIVE))
11234         {
11235                 R_DecalSystem_Reset(decalsystem);
11236                 return;
11237         }
11238
11239         // if the model is static it doesn't matter what value we give for
11240         // wantnormals and wanttangents, so this logic uses only rules applicable
11241         // to a model, knowing that they are meaningless otherwise
11242         if (ent == r_refdef.scene.worldentity)
11243                 RSurf_ActiveWorldEntity();
11244         else
11245                 RSurf_ActiveModelEntity(ent, false, false, false);
11246
11247         decalsystem->lastupdatetime = r_refdef.scene.time;
11248         decal = decalsystem->decals;
11249
11250         faderate = 1.0f / max(0.001f, cl_decals_fadetime.value);
11251
11252         // update vertex positions for animated models
11253         v3f = decalsystem->vertex3f;
11254         c4f = decalsystem->color4f;
11255         t2f = decalsystem->texcoord2f;
11256         for (i = 0, decal = decalsystem->decals;i < numdecals;i++, decal++)
11257         {
11258                 if (!decal->color4f[0][3])
11259                         continue;
11260
11261                 if (surfacevisible && !surfacevisible[decal->surfaceindex])
11262                         continue;
11263
11264                 // skip backfaces
11265                 if (decal->triangleindex < 0 && DotProduct(r_refdef.view.origin, decal->plane) < decal->plane[3])
11266                         continue;
11267
11268                 // update color values for fading decals
11269                 if (decal->lived >= cl_decals_time.value)
11270                         alpha = 1 - faderate * (decal->lived - cl_decals_time.value);
11271                 else
11272                         alpha = 1.0f;
11273
11274                 c4f[ 0] = decal->color4f[0][0] * alpha;
11275                 c4f[ 1] = decal->color4f[0][1] * alpha;
11276                 c4f[ 2] = decal->color4f[0][2] * alpha;
11277                 c4f[ 3] = 1;
11278                 c4f[ 4] = decal->color4f[1][0] * alpha;
11279                 c4f[ 5] = decal->color4f[1][1] * alpha;
11280                 c4f[ 6] = decal->color4f[1][2] * alpha;
11281                 c4f[ 7] = 1;
11282                 c4f[ 8] = decal->color4f[2][0] * alpha;
11283                 c4f[ 9] = decal->color4f[2][1] * alpha;
11284                 c4f[10] = decal->color4f[2][2] * alpha;
11285                 c4f[11] = 1;
11286
11287                 t2f[0] = decal->texcoord2f[0][0];
11288                 t2f[1] = decal->texcoord2f[0][1];
11289                 t2f[2] = decal->texcoord2f[1][0];
11290                 t2f[3] = decal->texcoord2f[1][1];
11291                 t2f[4] = decal->texcoord2f[2][0];
11292                 t2f[5] = decal->texcoord2f[2][1];
11293
11294                 // update vertex positions for animated models
11295                 if (decal->triangleindex >= 0 && decal->triangleindex < rsurface.modelnumtriangles)
11296                 {
11297                         e = rsurface.modelelement3i + 3*decal->triangleindex;
11298                         VectorCopy(rsurface.modelvertex3f + 3*e[0], v3f);
11299                         VectorCopy(rsurface.modelvertex3f + 3*e[1], v3f + 3);
11300                         VectorCopy(rsurface.modelvertex3f + 3*e[2], v3f + 6);
11301                 }
11302                 else
11303                 {
11304                         VectorCopy(decal->vertex3f[0], v3f);
11305                         VectorCopy(decal->vertex3f[1], v3f + 3);
11306                         VectorCopy(decal->vertex3f[2], v3f + 6);
11307                 }
11308
11309                 if (r_refdef.fogenabled)
11310                 {
11311                         alpha = RSurf_FogVertex(v3f);
11312                         VectorScale(c4f, alpha, c4f);
11313                         alpha = RSurf_FogVertex(v3f + 3);
11314                         VectorScale(c4f + 4, alpha, c4f + 4);
11315                         alpha = RSurf_FogVertex(v3f + 6);
11316                         VectorScale(c4f + 8, alpha, c4f + 8);
11317                 }
11318
11319                 v3f += 9;
11320                 c4f += 12;
11321                 t2f += 6;
11322                 numtris++;
11323         }
11324
11325         if (numtris > 0)
11326         {
11327                 r_refdef.stats.drawndecals += numtris;
11328
11329                 // now render the decals all at once
11330                 // (this assumes they all use one particle font texture!)
11331                 RSurf_ActiveCustomEntity(&rsurface.matrix, &rsurface.inversematrix, rsurface.ent_flags, ent->shadertime, 1, 1, 1, 1, numdecals*3, decalsystem->vertex3f, decalsystem->texcoord2f, NULL, NULL, NULL, decalsystem->color4f, numtris, decalsystem->element3i, decalsystem->element3s, false, false);
11332 //              R_Mesh_ResetTextureState();
11333                 R_Mesh_PrepareVertices_Generic_Arrays(numtris * 3, decalsystem->vertex3f, decalsystem->color4f, decalsystem->texcoord2f);
11334                 GL_DepthMask(false);
11335                 GL_DepthRange(0, 1);
11336                 GL_PolygonOffset(rsurface.basepolygonfactor + r_polygonoffset_decals_factor.value, rsurface.basepolygonoffset + r_polygonoffset_decals_offset.value);
11337                 GL_DepthTest(true);
11338                 GL_CullFace(GL_NONE);
11339                 GL_BlendFunc(GL_ZERO, GL_ONE_MINUS_SRC_COLOR);
11340                 R_SetupShader_Generic(decalskinframe->base, NULL, GL_MODULATE, 1, false, false, false);
11341                 R_Mesh_Draw(0, numtris * 3, 0, numtris, decalsystem->element3i, NULL, 0, decalsystem->element3s, NULL, 0);
11342         }
11343 }
11344
11345 static void R_DrawModelDecals(void)
11346 {
11347         int i, numdecals;
11348
11349         // fade faster when there are too many decals
11350         numdecals = r_refdef.scene.worldentity->decalsystem.numdecals;
11351         for (i = 0;i < r_refdef.scene.numentities;i++)
11352                 numdecals += r_refdef.scene.entities[i]->decalsystem.numdecals;
11353
11354         R_DrawModelDecals_FadeEntity(r_refdef.scene.worldentity);
11355         for (i = 0;i < r_refdef.scene.numentities;i++)
11356                 if (r_refdef.scene.entities[i]->decalsystem.numdecals)
11357                         R_DrawModelDecals_FadeEntity(r_refdef.scene.entities[i]);
11358
11359         R_DecalSystem_ApplySplatEntitiesQueue();
11360
11361         numdecals = r_refdef.scene.worldentity->decalsystem.numdecals;
11362         for (i = 0;i < r_refdef.scene.numentities;i++)
11363                 numdecals += r_refdef.scene.entities[i]->decalsystem.numdecals;
11364
11365         r_refdef.stats.totaldecals += numdecals;
11366
11367         if (r_showsurfaces.integer)
11368                 return;
11369
11370         R_DrawModelDecals_Entity(r_refdef.scene.worldentity);
11371
11372         for (i = 0;i < r_refdef.scene.numentities;i++)
11373         {
11374                 if (!r_refdef.viewcache.entityvisible[i])
11375                         continue;
11376                 if (r_refdef.scene.entities[i]->decalsystem.numdecals)
11377                         R_DrawModelDecals_Entity(r_refdef.scene.entities[i]);
11378         }
11379 }
11380
11381 extern cvar_t mod_collision_bih;
11382 void R_DrawDebugModel(void)
11383 {
11384         entity_render_t *ent = rsurface.entity;
11385         int i, j, k, l, flagsmask;
11386         const msurface_t *surface;
11387         dp_model_t *model = ent->model;
11388         vec3_t v;
11389
11390         if (!sv.active  && !cls.demoplayback && ent != r_refdef.scene.worldentity)
11391                 return;
11392
11393         if (r_showoverdraw.value > 0)
11394         {
11395                 float c = r_refdef.view.colorscale * r_showoverdraw.value * 0.125f;
11396                 flagsmask = MATERIALFLAG_SKY | MATERIALFLAG_WALL;
11397                 R_SetupShader_Generic_NoTexture(false, false);
11398                 GL_DepthTest(false);
11399                 GL_DepthMask(false);
11400                 GL_DepthRange(0, 1);
11401                 GL_BlendFunc(GL_ONE, GL_ONE);
11402                 for (i = 0, j = model->firstmodelsurface, surface = model->data_surfaces + j;i < model->nummodelsurfaces;i++, j++, surface++)
11403                 {
11404                         if (ent == r_refdef.scene.worldentity && !r_refdef.viewcache.world_surfacevisible[j])
11405                                 continue;
11406                         rsurface.texture = R_GetCurrentTexture(surface->texture);
11407                         if ((rsurface.texture->currentmaterialflags & flagsmask) && surface->num_triangles)
11408                         {
11409                                 RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_NOGAPS, 1, &surface);
11410                                 GL_CullFace((rsurface.texture->currentmaterialflags & MATERIALFLAG_NOCULLFACE) ? GL_NONE : r_refdef.view.cullface_back);
11411                                 if (!rsurface.texture->currentlayers->depthmask)
11412                                         GL_Color(c, 0, 0, 1.0f);
11413                                 else if (ent == r_refdef.scene.worldentity)
11414                                         GL_Color(c, c, c, 1.0f);
11415                                 else
11416                                         GL_Color(0, c, 0, 1.0f);
11417                                 R_Mesh_PrepareVertices_Generic_Arrays(rsurface.batchnumvertices, rsurface.batchvertex3f, NULL, NULL);
11418                                 RSurf_DrawBatch();
11419                         }
11420                 }
11421                 rsurface.texture = NULL;
11422         }
11423
11424         flagsmask = MATERIALFLAG_SKY | MATERIALFLAG_WALL;
11425
11426 //      R_Mesh_ResetTextureState();
11427         R_SetupShader_Generic_NoTexture(false, false);
11428         GL_DepthRange(0, 1);
11429         GL_DepthTest(!r_showdisabledepthtest.integer);
11430         GL_DepthMask(false);
11431         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
11432
11433         if (r_showcollisionbrushes.value > 0 && model->collision_bih.numleafs)
11434         {
11435                 int triangleindex;
11436                 int bihleafindex;
11437                 qboolean cullbox = ent == r_refdef.scene.worldentity;
11438                 const q3mbrush_t *brush;
11439                 const bih_t *bih = &model->collision_bih;
11440                 const bih_leaf_t *bihleaf;
11441                 float vertex3f[3][3];
11442                 GL_PolygonOffset(r_refdef.polygonfactor + r_showcollisionbrushes_polygonfactor.value, r_refdef.polygonoffset + r_showcollisionbrushes_polygonoffset.value);
11443                 cullbox = false;
11444                 for (bihleafindex = 0, bihleaf = bih->leafs;bihleafindex < bih->numleafs;bihleafindex++, bihleaf++)
11445                 {
11446                         if (cullbox && R_CullBox(bihleaf->mins, bihleaf->maxs))
11447                                 continue;
11448                         switch (bihleaf->type)
11449                         {
11450                         case BIH_BRUSH:
11451                                 brush = model->brush.data_brushes + bihleaf->itemindex;
11452                                 if (brush->colbrushf && brush->colbrushf->numtriangles)
11453                                 {
11454                                         GL_Color((bihleafindex & 31) * (1.0f / 32.0f) * r_refdef.view.colorscale, ((bihleafindex >> 5) & 31) * (1.0f / 32.0f) * r_refdef.view.colorscale, ((bihleafindex >> 10) & 31) * (1.0f / 32.0f) * r_refdef.view.colorscale, r_showcollisionbrushes.value);
11455                                         R_Mesh_PrepareVertices_Generic_Arrays(brush->colbrushf->numpoints, brush->colbrushf->points->v, NULL, NULL);
11456                                         R_Mesh_Draw(0, brush->colbrushf->numpoints, 0, brush->colbrushf->numtriangles, brush->colbrushf->elements, NULL, 0, NULL, NULL, 0);
11457                                 }
11458                                 break;
11459                         case BIH_COLLISIONTRIANGLE:
11460                                 triangleindex = bihleaf->itemindex;
11461                                 VectorCopy(model->brush.data_collisionvertex3f + 3*model->brush.data_collisionelement3i[triangleindex*3+0], vertex3f[0]);
11462                                 VectorCopy(model->brush.data_collisionvertex3f + 3*model->brush.data_collisionelement3i[triangleindex*3+1], vertex3f[1]);
11463                                 VectorCopy(model->brush.data_collisionvertex3f + 3*model->brush.data_collisionelement3i[triangleindex*3+2], vertex3f[2]);
11464                                 GL_Color((bihleafindex & 31) * (1.0f / 32.0f) * r_refdef.view.colorscale, ((bihleafindex >> 5) & 31) * (1.0f / 32.0f) * r_refdef.view.colorscale, ((bihleafindex >> 10) & 31) * (1.0f / 32.0f) * r_refdef.view.colorscale, r_showcollisionbrushes.value);
11465                                 R_Mesh_PrepareVertices_Generic_Arrays(3, vertex3f[0], NULL, NULL);
11466                                 R_Mesh_Draw(0, 3, 0, 1, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
11467                                 break;
11468                         case BIH_RENDERTRIANGLE:
11469                                 triangleindex = bihleaf->itemindex;
11470                                 VectorCopy(model->surfmesh.data_vertex3f + 3*model->surfmesh.data_element3i[triangleindex*3+0], vertex3f[0]);
11471                                 VectorCopy(model->surfmesh.data_vertex3f + 3*model->surfmesh.data_element3i[triangleindex*3+1], vertex3f[1]);
11472                                 VectorCopy(model->surfmesh.data_vertex3f + 3*model->surfmesh.data_element3i[triangleindex*3+2], vertex3f[2]);
11473                                 GL_Color((bihleafindex & 31) * (1.0f / 32.0f) * r_refdef.view.colorscale, ((bihleafindex >> 5) & 31) * (1.0f / 32.0f) * r_refdef.view.colorscale, ((bihleafindex >> 10) & 31) * (1.0f / 32.0f) * r_refdef.view.colorscale, r_showcollisionbrushes.value);
11474                                 R_Mesh_PrepareVertices_Generic_Arrays(3, vertex3f[0], NULL, NULL);
11475                                 R_Mesh_Draw(0, 3, 0, 1, polygonelement3i, NULL, 0, polygonelement3s, NULL, 0);
11476                                 break;
11477                         }
11478                 }
11479         }
11480
11481         GL_PolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);
11482
11483 #ifndef USE_GLES2
11484         if (r_showtris.integer && qglPolygonMode)
11485         {
11486                 if (r_showdisabledepthtest.integer)
11487                 {
11488                         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
11489                         GL_DepthMask(false);
11490                 }
11491                 else
11492                 {
11493                         GL_BlendFunc(GL_ONE, GL_ZERO);
11494                         GL_DepthMask(true);
11495                 }
11496                 qglPolygonMode(GL_FRONT_AND_BACK, GL_LINE);CHECKGLERROR
11497                 for (i = 0, j = model->firstmodelsurface, surface = model->data_surfaces + j;i < model->nummodelsurfaces;i++, j++, surface++)
11498                 {
11499                         if (ent == r_refdef.scene.worldentity && !r_refdef.viewcache.world_surfacevisible[j])
11500                                 continue;
11501                         rsurface.texture = R_GetCurrentTexture(surface->texture);
11502                         if ((rsurface.texture->currentmaterialflags & flagsmask) && surface->num_triangles)
11503                         {
11504                                 RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_NORMAL | BATCHNEED_ARRAY_VECTOR | BATCHNEED_NOGAPS, 1, &surface);
11505                                 if (!rsurface.texture->currentlayers->depthmask)
11506                                         GL_Color(r_refdef.view.colorscale, 0, 0, r_showtris.value);
11507                                 else if (ent == r_refdef.scene.worldentity)
11508                                         GL_Color(r_refdef.view.colorscale, r_refdef.view.colorscale, r_refdef.view.colorscale, r_showtris.value);
11509                                 else
11510                                         GL_Color(0, r_refdef.view.colorscale, 0, r_showtris.value);
11511                                 R_Mesh_PrepareVertices_Generic_Arrays(rsurface.batchnumvertices, rsurface.batchvertex3f, NULL, NULL);
11512                                 RSurf_DrawBatch();
11513                         }
11514                 }
11515                 qglPolygonMode(GL_FRONT_AND_BACK, GL_FILL);CHECKGLERROR
11516                 rsurface.texture = NULL;
11517         }
11518
11519         if (r_shownormals.value != 0 && qglBegin)
11520         {
11521                 if (r_showdisabledepthtest.integer)
11522                 {
11523                         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
11524                         GL_DepthMask(false);
11525                 }
11526                 else
11527                 {
11528                         GL_BlendFunc(GL_ONE, GL_ZERO);
11529                         GL_DepthMask(true);
11530                 }
11531                 for (i = 0, j = model->firstmodelsurface, surface = model->data_surfaces + j;i < model->nummodelsurfaces;i++, j++, surface++)
11532                 {
11533                         if (ent == r_refdef.scene.worldentity && !r_refdef.viewcache.world_surfacevisible[j])
11534                                 continue;
11535                         rsurface.texture = R_GetCurrentTexture(surface->texture);
11536                         if ((rsurface.texture->currentmaterialflags & flagsmask) && surface->num_triangles)
11537                         {
11538                                 RSurf_PrepareVerticesForBatch(BATCHNEED_ARRAY_VERTEX | BATCHNEED_ARRAY_NORMAL | BATCHNEED_ARRAY_VECTOR | BATCHNEED_NOGAPS, 1, &surface);
11539                                 qglBegin(GL_LINES);
11540                                 if (r_shownormals.value < 0 && rsurface.batchnormal3f)
11541                                 {
11542                                         for (k = 0, l = rsurface.batchfirstvertex;k < rsurface.batchnumvertices;k++, l++)
11543                                         {
11544                                                 VectorCopy(rsurface.batchvertex3f + l * 3, v);
11545                                                 GL_Color(0, 0, r_refdef.view.colorscale, 1);
11546                                                 qglVertex3f(v[0], v[1], v[2]);
11547                                                 VectorMA(v, -r_shownormals.value, rsurface.batchnormal3f + l * 3, v);
11548                                                 GL_Color(r_refdef.view.colorscale, r_refdef.view.colorscale, r_refdef.view.colorscale, 1);
11549                                                 qglVertex3f(v[0], v[1], v[2]);
11550                                         }
11551                                 }
11552                                 if (r_shownormals.value > 0 && rsurface.batchsvector3f)
11553                                 {
11554                                         for (k = 0, l = rsurface.batchfirstvertex;k < rsurface.batchnumvertices;k++, l++)
11555                                         {
11556                                                 VectorCopy(rsurface.batchvertex3f + l * 3, v);
11557                                                 GL_Color(r_refdef.view.colorscale, 0, 0, 1);
11558                                                 qglVertex3f(v[0], v[1], v[2]);
11559                                                 VectorMA(v, r_shownormals.value, rsurface.batchsvector3f + l * 3, v);
11560                                                 GL_Color(r_refdef.view.colorscale, r_refdef.view.colorscale, r_refdef.view.colorscale, 1);
11561                                                 qglVertex3f(v[0], v[1], v[2]);
11562                                         }
11563                                 }
11564                                 if (r_shownormals.value > 0 && rsurface.batchtvector3f)
11565                                 {
11566                                         for (k = 0, l = rsurface.batchfirstvertex;k < rsurface.batchnumvertices;k++, l++)
11567                                         {
11568                                                 VectorCopy(rsurface.batchvertex3f + l * 3, v);
11569                                                 GL_Color(0, r_refdef.view.colorscale, 0, 1);
11570                                                 qglVertex3f(v[0], v[1], v[2]);
11571                                                 VectorMA(v, r_shownormals.value, rsurface.batchtvector3f + l * 3, v);
11572                                                 GL_Color(r_refdef.view.colorscale, r_refdef.view.colorscale, r_refdef.view.colorscale, 1);
11573                                                 qglVertex3f(v[0], v[1], v[2]);
11574                                         }
11575                                 }
11576                                 if (r_shownormals.value > 0 && rsurface.batchnormal3f)
11577                                 {
11578                                         for (k = 0, l = rsurface.batchfirstvertex;k < rsurface.batchnumvertices;k++, l++)
11579                                         {
11580                                                 VectorCopy(rsurface.batchvertex3f + l * 3, v);
11581                                                 GL_Color(0, 0, r_refdef.view.colorscale, 1);
11582                                                 qglVertex3f(v[0], v[1], v[2]);
11583                                                 VectorMA(v, r_shownormals.value, rsurface.batchnormal3f + l * 3, v);
11584                                                 GL_Color(r_refdef.view.colorscale, r_refdef.view.colorscale, r_refdef.view.colorscale, 1);
11585                                                 qglVertex3f(v[0], v[1], v[2]);
11586                                         }
11587                                 }
11588                                 qglEnd();
11589                                 CHECKGLERROR
11590                         }
11591                 }
11592                 rsurface.texture = NULL;
11593         }
11594 #endif
11595 }
11596
11597 extern void R_BuildLightMap(const entity_render_t *ent, msurface_t *surface);
11598 int r_maxsurfacelist = 0;
11599 const msurface_t **r_surfacelist = NULL;
11600 void R_DrawWorldSurfaces(qboolean skysurfaces, qboolean writedepth, qboolean depthonly, qboolean debug, qboolean prepass)
11601 {
11602         int i, j, endj, flagsmask;
11603         dp_model_t *model = r_refdef.scene.worldmodel;
11604         msurface_t *surfaces;
11605         unsigned char *update;
11606         int numsurfacelist = 0;
11607         if (model == NULL)
11608                 return;
11609
11610         if (r_maxsurfacelist < model->num_surfaces)
11611         {
11612                 r_maxsurfacelist = model->num_surfaces;
11613                 if (r_surfacelist)
11614                         Mem_Free((msurface_t**)r_surfacelist);
11615                 r_surfacelist = (const msurface_t **) Mem_Alloc(r_main_mempool, r_maxsurfacelist * sizeof(*r_surfacelist));
11616         }
11617
11618         RSurf_ActiveWorldEntity();
11619
11620         surfaces = model->data_surfaces;
11621         update = model->brushq1.lightmapupdateflags;
11622
11623         // update light styles on this submodel
11624         if (!skysurfaces && !depthonly && !prepass && model->brushq1.num_lightstyles && r_refdef.lightmapintensity > 0)
11625         {
11626                 model_brush_lightstyleinfo_t *style;
11627                 for (i = 0, style = model->brushq1.data_lightstyleinfo;i < model->brushq1.num_lightstyles;i++, style++)
11628                 {
11629                         if (style->value != r_refdef.scene.lightstylevalue[style->style])
11630                         {
11631                                 int *list = style->surfacelist;
11632                                 style->value = r_refdef.scene.lightstylevalue[style->style];
11633                                 for (j = 0;j < style->numsurfaces;j++)
11634                                         update[list[j]] = true;
11635                         }
11636                 }
11637         }
11638
11639         flagsmask = skysurfaces ? MATERIALFLAG_SKY : MATERIALFLAG_WALL;
11640
11641         if (debug)
11642         {
11643                 R_DrawDebugModel();
11644                 rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity
11645                 return;
11646         }
11647
11648         rsurface.lightmaptexture = NULL;
11649         rsurface.deluxemaptexture = NULL;
11650         rsurface.uselightmaptexture = false;
11651         rsurface.texture = NULL;
11652         rsurface.rtlight = NULL;
11653         numsurfacelist = 0;
11654         // add visible surfaces to draw list
11655         for (i = 0;i < model->nummodelsurfaces;i++)
11656         {
11657                 j = model->sortedmodelsurfaces[i];
11658                 if (r_refdef.viewcache.world_surfacevisible[j])
11659                         r_surfacelist[numsurfacelist++] = surfaces + j;
11660         }
11661         // update lightmaps if needed
11662         if (model->brushq1.firstrender)
11663         {
11664                 model->brushq1.firstrender = false;
11665                 for (j = model->firstmodelsurface, endj = model->firstmodelsurface + model->nummodelsurfaces;j < endj;j++)
11666                         if (update[j])
11667                                 R_BuildLightMap(r_refdef.scene.worldentity, surfaces + j);
11668         }
11669         else if (update)
11670         {
11671                 for (j = model->firstmodelsurface, endj = model->firstmodelsurface + model->nummodelsurfaces;j < endj;j++)
11672                         if (r_refdef.viewcache.world_surfacevisible[j])
11673                                 if (update[j])
11674                                         R_BuildLightMap(r_refdef.scene.worldentity, surfaces + j);
11675         }
11676         // don't do anything if there were no surfaces
11677         if (!numsurfacelist)
11678         {
11679                 rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity
11680                 return;
11681         }
11682         R_QueueWorldSurfaceList(numsurfacelist, r_surfacelist, flagsmask, writedepth, depthonly, prepass);
11683
11684         // add to stats if desired
11685         if (r_speeds.integer && !skysurfaces && !depthonly)
11686         {
11687                 r_refdef.stats.world_surfaces += numsurfacelist;
11688                 for (j = 0;j < numsurfacelist;j++)
11689                         r_refdef.stats.world_triangles += r_surfacelist[j]->num_triangles;
11690         }
11691
11692         rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity
11693 }
11694
11695 void R_DrawModelSurfaces(entity_render_t *ent, qboolean skysurfaces, qboolean writedepth, qboolean depthonly, qboolean debug, qboolean prepass)
11696 {
11697         int i, j, endj, flagsmask;
11698         dp_model_t *model = ent->model;
11699         msurface_t *surfaces;
11700         unsigned char *update;
11701         int numsurfacelist = 0;
11702         if (model == NULL)
11703                 return;
11704
11705         if (r_maxsurfacelist < model->num_surfaces)
11706         {
11707                 r_maxsurfacelist = model->num_surfaces;
11708                 if (r_surfacelist)
11709                         Mem_Free((msurface_t **)r_surfacelist);
11710                 r_surfacelist = (const msurface_t **) Mem_Alloc(r_main_mempool, r_maxsurfacelist * sizeof(*r_surfacelist));
11711         }
11712
11713         // if the model is static it doesn't matter what value we give for
11714         // wantnormals and wanttangents, so this logic uses only rules applicable
11715         // to a model, knowing that they are meaningless otherwise
11716         if (ent == r_refdef.scene.worldentity)
11717                 RSurf_ActiveWorldEntity();
11718         else if (r_showsurfaces.integer && r_showsurfaces.integer != 3)
11719                 RSurf_ActiveModelEntity(ent, false, false, false);
11720         else if (prepass)
11721                 RSurf_ActiveModelEntity(ent, true, true, true);
11722         else if (depthonly)
11723         {
11724                 switch (vid.renderpath)
11725                 {
11726                 case RENDERPATH_GL20:
11727                 case RENDERPATH_D3D9:
11728                 case RENDERPATH_D3D10:
11729                 case RENDERPATH_D3D11:
11730                 case RENDERPATH_SOFT:
11731                 case RENDERPATH_GLES2:
11732                         RSurf_ActiveModelEntity(ent, model->wantnormals, model->wanttangents, false);
11733                         break;
11734                 case RENDERPATH_GL11:
11735                 case RENDERPATH_GL13:
11736                 case RENDERPATH_GLES1:
11737                         RSurf_ActiveModelEntity(ent, model->wantnormals, false, false);
11738                         break;
11739                 }
11740         }
11741         else
11742         {
11743                 switch (vid.renderpath)
11744                 {
11745                 case RENDERPATH_GL20:
11746                 case RENDERPATH_D3D9:
11747                 case RENDERPATH_D3D10:
11748                 case RENDERPATH_D3D11:
11749                 case RENDERPATH_SOFT:
11750                 case RENDERPATH_GLES2:
11751                         RSurf_ActiveModelEntity(ent, true, true, false);
11752                         break;
11753                 case RENDERPATH_GL11:
11754                 case RENDERPATH_GL13:
11755                 case RENDERPATH_GLES1:
11756                         RSurf_ActiveModelEntity(ent, true, false, false);
11757                         break;
11758                 }
11759         }
11760
11761         surfaces = model->data_surfaces;
11762         update = model->brushq1.lightmapupdateflags;
11763
11764         // update light styles
11765         if (!skysurfaces && !depthonly && !prepass && model->brushq1.num_lightstyles && r_refdef.lightmapintensity > 0)
11766         {
11767                 model_brush_lightstyleinfo_t *style;
11768                 for (i = 0, style = model->brushq1.data_lightstyleinfo;i < model->brushq1.num_lightstyles;i++, style++)
11769                 {
11770                         if (style->value != r_refdef.scene.lightstylevalue[style->style])
11771                         {
11772                                 int *list = style->surfacelist;
11773                                 style->value = r_refdef.scene.lightstylevalue[style->style];
11774                                 for (j = 0;j < style->numsurfaces;j++)
11775                                         update[list[j]] = true;
11776                         }
11777                 }
11778         }
11779
11780         flagsmask = skysurfaces ? MATERIALFLAG_SKY : MATERIALFLAG_WALL;
11781
11782         if (debug)
11783         {
11784                 R_DrawDebugModel();
11785                 rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity
11786                 return;
11787         }
11788
11789         rsurface.lightmaptexture = NULL;
11790         rsurface.deluxemaptexture = NULL;
11791         rsurface.uselightmaptexture = false;
11792         rsurface.texture = NULL;
11793         rsurface.rtlight = NULL;
11794         numsurfacelist = 0;
11795         // add visible surfaces to draw list
11796         for (i = 0;i < model->nummodelsurfaces;i++)
11797                 r_surfacelist[numsurfacelist++] = surfaces + model->sortedmodelsurfaces[i];
11798         // don't do anything if there were no surfaces
11799         if (!numsurfacelist)
11800         {
11801                 rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity
11802                 return;
11803         }
11804         // update lightmaps if needed
11805         if (update)
11806         {
11807                 int updated = 0;
11808                 for (j = model->firstmodelsurface, endj = model->firstmodelsurface + model->nummodelsurfaces;j < endj;j++)
11809                 {
11810                         if (update[j])
11811                         {
11812                                 updated++;
11813                                 R_BuildLightMap(ent, surfaces + j);
11814                         }
11815                 }
11816         }
11817         if (update)
11818                 for (j = model->firstmodelsurface, endj = model->firstmodelsurface + model->nummodelsurfaces;j < endj;j++)
11819                         if (update[j])
11820                                 R_BuildLightMap(ent, surfaces + j);
11821         R_QueueModelSurfaceList(ent, numsurfacelist, r_surfacelist, flagsmask, writedepth, depthonly, prepass);
11822
11823         // add to stats if desired
11824         if (r_speeds.integer && !skysurfaces && !depthonly)
11825         {
11826                 r_refdef.stats.entities_surfaces += numsurfacelist;
11827                 for (j = 0;j < numsurfacelist;j++)
11828                         r_refdef.stats.entities_triangles += r_surfacelist[j]->num_triangles;
11829         }
11830
11831         rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity
11832 }
11833
11834 void R_DrawCustomSurface(skinframe_t *skinframe, const matrix4x4_t *texmatrix, int materialflags, int firstvertex, int numvertices, int firsttriangle, int numtriangles, qboolean writedepth, qboolean prepass)
11835 {
11836         static texture_t texture;
11837         static msurface_t surface;
11838         const msurface_t *surfacelist = &surface;
11839
11840         // fake enough texture and surface state to render this geometry
11841
11842         texture.update_lastrenderframe = -1; // regenerate this texture
11843         texture.basematerialflags = materialflags | MATERIALFLAG_CUSTOMSURFACE | MATERIALFLAG_WALL;
11844         texture.currentskinframe = skinframe;
11845         texture.currenttexmatrix = *texmatrix; // requires MATERIALFLAG_CUSTOMSURFACE
11846         texture.offsetmapping = OFFSETMAPPING_OFF;
11847         texture.offsetscale = 1;
11848         texture.specularscalemod = 1;
11849         texture.specularpowermod = 1;
11850
11851         surface.texture = &texture;
11852         surface.num_triangles = numtriangles;
11853         surface.num_firsttriangle = firsttriangle;
11854         surface.num_vertices = numvertices;
11855         surface.num_firstvertex = firstvertex;
11856
11857         // now render it
11858         rsurface.texture = R_GetCurrentTexture(surface.texture);
11859         rsurface.lightmaptexture = NULL;
11860         rsurface.deluxemaptexture = NULL;
11861         rsurface.uselightmaptexture = false;
11862         R_DrawModelTextureSurfaceList(1, &surfacelist, writedepth, prepass);
11863 }
11864
11865 void R_DrawCustomSurface_Texture(texture_t *texture, const matrix4x4_t *texmatrix, int materialflags, int firstvertex, int numvertices, int firsttriangle, int numtriangles, qboolean writedepth, qboolean prepass)
11866 {
11867         static msurface_t surface;
11868         const msurface_t *surfacelist = &surface;
11869
11870         // fake enough texture and surface state to render this geometry
11871         surface.texture = texture;
11872         surface.num_triangles = numtriangles;
11873         surface.num_firsttriangle = firsttriangle;
11874         surface.num_vertices = numvertices;
11875         surface.num_firstvertex = firstvertex;
11876
11877         // now render it
11878         rsurface.texture = R_GetCurrentTexture(surface.texture);
11879         rsurface.lightmaptexture = NULL;
11880         rsurface.deluxemaptexture = NULL;
11881         rsurface.uselightmaptexture = false;
11882         R_DrawModelTextureSurfaceList(1, &surfacelist, writedepth, prepass);
11883 }