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
  28 mempool_t *r_main_mempool;
  29 rtexturepool_t *r_main_texturepool;
  30
  31 static int r_frame = 0; ///< used only by R_GetCurrentTexture
  32
  33 //
  34 // screen size info
  35 //
  36 r_refdef_t r_refdef;
  37
  38 cvar_t r_motionblur = {CVAR_SAVE, "r_motionblur", "0", "motionblur value scale - 0.5 recommended"};
  39 cvar_t r_damageblur = {CVAR_SAVE, "r_damageblur", "0", "motionblur based on damage"};
  40 cvar_t r_motionblur_vmin = {CVAR_SAVE, "r_motionblur_vmin", "300", "minimum influence from velocity"};
  41 cvar_t r_motionblur_vmax = {CVAR_SAVE, "r_motionblur_vmax", "600", "maximum influence from velocity"};
  42 cvar_t r_motionblur_bmin = {CVAR_SAVE, "r_motionblur_bmin", "0.5", "velocity at which there is no blur yet (may be negative to always have some blur)"};
  43 cvar_t r_motionblur_vcoeff = {CVAR_SAVE, "r_motionblur_vcoeff", "0.05", "sliding average reaction time for velocity"};
  44 cvar_t r_motionblur_maxblur = {CVAR_SAVE, "r_motionblur_maxblur", "0.88", "cap for motionblur alpha value"};
  45 cvar_t r_motionblur_randomize = {CVAR_SAVE, "r_motionblur_randomize", "0.1", "randomizing coefficient to workaround ghosting"};
  46
  47 // TODO do we want a r_equalize_entities cvar that works on all ents, or would that be a cheat?
  48 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"};
  49 cvar_t r_equalize_entities_minambient = {CVAR_SAVE, "r_equalize_entities_minambient", "1", "light equalizing: ensure at least this ambient/diffuse ratio"};
  50 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)"};
  51 cvar_t r_equalize_entities_to = {CVAR_SAVE, "r_equalize_entities_to", "0.8", "light equalizing: target light level"};
  52
  53 cvar_t r_animcache = {CVAR_SAVE, "r_animcache", "1", "cache animation frames to save CPU usage, primarily optimizes shadows and reflections"};
  54
  55 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"};
  56 cvar_t r_useinfinitefarclip = {CVAR_SAVE, "r_useinfinitefarclip", "1", "enables use of a special kind of projection matrix that has an extremely large farclip"};
  57 cvar_t r_nearclip = {0, "r_nearclip", "1", "distance from camera of nearclip plane" };
  58 cvar_t r_showbboxes = {0, "r_showbboxes", "0", "shows bounding boxes of server entities, value controls opacity scaling (1 = 10%,  10 = 100%)"};
  59 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)"};
  60 cvar_t r_showtris = {0, "r_showtris", "0", "shows triangle outlines, value controls brightness (can be above 1)"};
  61 cvar_t r_shownormals = {0, "r_shownormals", "0", "shows per-vertex surface normals and tangent vectors for bumpmapped lighting"};
  62 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"};
  63 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"};
  64 cvar_t r_showcollisionbrushes = {0, "r_showcollisionbrushes", "0", "draws collision brushes in quake3 maps (mode 1), mode 2 disables rendering of world (trippy!)"};
  65 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"};
  66 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"};
  67 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"};
  68 cvar_t r_drawportals = {0, "r_drawportals", "0", "shows portals (separating polygons) in world interior in quake1 maps"};
  69 cvar_t r_drawentities = {0, "r_drawentities","1", "draw entities (doors, players, projectiles, etc)"};
  70 cvar_t r_drawviewmodel = {0, "r_drawviewmodel","1", "draw your weapon model"};
  71 cvar_t r_cullentities_trace = {0, "r_cullentities_trace", "1", "probabistically cull invisible entities"};
  72 cvar_t r_cullentities_trace_samples = {0, "r_cullentities_trace_samples", "2", "number of samples to test for entity culling"};
  73 cvar_t r_cullentities_trace_enlarge = {0, "r_cullentities_trace_enlarge", "0", "box enlargement for entity culling"};
  74 cvar_t r_cullentities_trace_delay = {0, "r_cullentities_trace_delay", "1", "number of seconds until the entity gets actually culled"};
  75 cvar_t r_speeds = {0, "r_speeds","0", "displays rendering statistics and per-subsystem timings"};
  76 cvar_t r_fullbright = {0, "r_fullbright","0", "makes map very bright and renders faster"};
  77 cvar_t r_wateralpha = {CVAR_SAVE, "r_wateralpha","1", "opacity of water polygons"};
  78 cvar_t r_dynamic = {CVAR_SAVE, "r_dynamic","1", "enables dynamic lights (rocket glow and such)"};
  79 cvar_t r_fullbrights = {CVAR_SAVE, "r_fullbrights", "1", "enables glowing pixels in quake textures (changes need r_restart to take effect)"};
  80 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."};
  81 cvar_t r_shadows_darken = {CVAR_SAVE, "r_shadows_darken", "0.5", "how much shadowed areas will be darkened"};
  82 cvar_t r_shadows_throwdistance = {CVAR_SAVE, "r_shadows_throwdistance", "500", "how far to cast shadows from models"};
  83 cvar_t r_shadows_throwdirection = {CVAR_SAVE, "r_shadows_throwdirection", "0 0 -1", "override throwing direction for r_shadows 2"};
  84 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."};
  85 cvar_t r_shadows_castfrombmodels = {CVAR_SAVE, "r_shadows_castfrombmodels", "0", "do cast shadows from bmodels"};
  86 cvar_t r_q1bsp_skymasking = {0, "r_q1bsp_skymasking", "1", "allows sky polygons in quake1 maps to obscure other geometry"};
  87 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"};
  88 cvar_t r_polygonoffset_submodel_offset = {0, "r_polygonoffset_submodel_offset", "4", "biases depth values of world submodels such as doors, to prevent z-fighting artifacts in Quake maps"};
  89 cvar_t r_fog_exp2 = {0, "r_fog_exp2", "0", "uses GL_EXP2 fog (as in Nehahra) rather than realistic GL_EXP fog"};
  90 cvar_t r_drawfog = {CVAR_SAVE, "r_drawfog", "1", "allows one to disable fog rendering"};
  91
  92 cvar_t gl_fogenable = {0, "gl_fogenable", "0", "nehahra fog enable (for Nehahra compatibility only)"};
  93 cvar_t gl_fogdensity = {0, "gl_fogdensity", "0.25", "nehahra fog density (recommend values below 0.1) (for Nehahra compatibility only)"};
  94 cvar_t gl_fogred = {0, "gl_fogred","0.3", "nehahra fog color red value (for Nehahra compatibility only)"};
  95 cvar_t gl_foggreen = {0, "gl_foggreen","0.3", "nehahra fog color green value (for Nehahra compatibility only)"};
  96 cvar_t gl_fogblue = {0, "gl_fogblue","0.3", "nehahra fog color blue value (for Nehahra compatibility only)"};
  97 cvar_t gl_fogstart = {0, "gl_fogstart", "0", "nehahra fog start distance (for Nehahra compatibility only)"};
  98 cvar_t gl_fogend = {0, "gl_fogend","0", "nehahra fog end distance (for Nehahra compatibility only)"};
  99 cvar_t gl_skyclip = {0, "gl_skyclip", "4608", "nehahra farclip distance - the real fog end (for Nehahra compatibility only)"};
 100
 101 cvar_t r_textureunits = {0, "r_textureunits", "32", "number of hardware texture units reported by driver (note: setting this to 1 turns off gl_combine)"};
 102
 103 cvar_t r_glsl = {CVAR_SAVE, "r_glsl", "1", "enables use of OpenGL 2.0 pixel shaders for lighting"};
 104 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)"};
 105 cvar_t r_glsl_offsetmapping = {CVAR_SAVE, "r_glsl_offsetmapping", "0", "offset mapping effect (also known as parallax mapping or virtual displacement mapping)"};
 106 cvar_t r_glsl_offsetmapping_reliefmapping = {CVAR_SAVE, "r_glsl_offsetmapping_reliefmapping", "0", "relief mapping effect (higher quality)"};
 107 cvar_t r_glsl_offsetmapping_scale = {CVAR_SAVE, "r_glsl_offsetmapping_scale", "0.04", "how deep the offset mapping effect is"};
 108 cvar_t r_glsl_postprocess = {CVAR_SAVE, "r_glsl_postprocess", "0", "use a GLSL postprocessing shader"};
 109 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)"};
 110 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)"};
 111 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)"};
 112 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)"};
 113 cvar_t r_glsl_usegeneric = {CVAR_SAVE, "r_glsl_usegeneric", "1", "use shaders for rendering simple geometry (rather than conventional fixed-function rendering for this purpose)"};
 114
 115 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)"};
 116 cvar_t r_water_clippingplanebias = {CVAR_SAVE, "r_water_clippingplanebias", "1", "a rather technical setting which avoids black pixels around water edges"};
 117 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"};
 118 cvar_t r_water_refractdistort = {CVAR_SAVE, "r_water_refractdistort", "0.01", "how much water refractions shimmer"};
 119 cvar_t r_water_reflectdistort = {CVAR_SAVE, "r_water_reflectdistort", "0.01", "how much water reflections shimmer"};
 120
 121 cvar_t r_lerpsprites = {CVAR_SAVE, "r_lerpsprites", "1", "enables animation smoothing on sprites"};
 122 cvar_t r_lerpmodels = {CVAR_SAVE, "r_lerpmodels", "1", "enables animation smoothing on models"};
 123 cvar_t r_lerplightstyles = {CVAR_SAVE, "r_lerplightstyles", "0", "enable animation smoothing on flickering lights"};
 124 cvar_t r_waterscroll = {CVAR_SAVE, "r_waterscroll", "1", "makes water scroll around, value controls how much"};
 125
 126 cvar_t r_bloom = {CVAR_SAVE, "r_bloom", "0", "enables bloom effect (makes bright pixels affect neighboring pixels)"};
 127 cvar_t r_bloom_colorscale = {CVAR_SAVE, "r_bloom_colorscale", "1", "how bright the glow is"};
 128 cvar_t r_bloom_brighten = {CVAR_SAVE, "r_bloom_brighten", "2", "how bright the glow is, after subtract/power"};
 129 cvar_t r_bloom_blur = {CVAR_SAVE, "r_bloom_blur", "4", "how large the glow is"};
 130 cvar_t r_bloom_resolution = {CVAR_SAVE, "r_bloom_resolution", "320", "what resolution to perform the bloom effect at (independent of screen resolution)"};
 131 cvar_t r_bloom_colorexponent = {CVAR_SAVE, "r_bloom_colorexponent", "1", "how exagerated the glow is"};
 132 cvar_t r_bloom_colorsubtract = {CVAR_SAVE, "r_bloom_colorsubtract", "0.125", "reduces bloom colors by a certain amount"};
 133
 134 cvar_t r_hdr = {CVAR_SAVE, "r_hdr", "0", "enables High Dynamic Range bloom effect (higher quality version of r_bloom)"};
 135 cvar_t r_hdr_scenebrightness = {CVAR_SAVE, "r_hdr_scenebrightness", "1", "global rendering brightness"};
 136 cvar_t r_hdr_glowintensity = {CVAR_SAVE, "r_hdr_glowintensity", "1", "how bright light emitting textures should appear"};
 137 cvar_t r_hdr_range = {CVAR_SAVE, "r_hdr_range", "4", "how much dynamic range to render bloom with (equivilant to multiplying r_bloom_brighten by this value and dividing r_bloom_colorscale by this value)"};
 138
 139 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"};
 140
 141 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"};
 142
 143 cvar_t gl_lightmaps = {0, "gl_lightmaps", "0", "draws only lightmaps, no texture (for level designers)"};
 144
 145 cvar_t r_test = {0, "r_test", "0", "internal development use only, leave it alone (usually does nothing anyway)"};
 146 cvar_t r_batchmode = {0, "r_batchmode", "1", "selects method of rendering multiple surfaces with one driver call (values are 0, 1, 2, etc...)"};
 147 cvar_t r_track_sprites = {CVAR_SAVE, "r_track_sprites", "1", "track SPR_LABEL* sprites by putting them as indicator at the screen border to rotate to"};
 148 cvar_t r_track_sprites_flags = {CVAR_SAVE, "r_track_sprites_flags", "1", "1: Rotate sprites accodringly, 2: Make it a continuous rotation"};
 149 cvar_t r_track_sprites_scalew = {CVAR_SAVE, "r_track_sprites_scalew", "1", "width scaling of tracked sprites"};
 150 cvar_t r_track_sprites_scaleh = {CVAR_SAVE, "r_track_sprites_scaleh", "1", "height scaling of tracked sprites"};
 151 cvar_t r_glsl_saturation = {CVAR_SAVE, "r_glsl_saturation", "1", "saturation multiplier (only working in glsl!)"};
 152
 153 extern cvar_t v_glslgamma;
 154
 155 extern qboolean v_flipped_state;
 156
 157 static struct r_bloomstate_s
 158 {
 159         qboolean enabled;
 160         qboolean hdr;
 161
 162         int bloomwidth, bloomheight;
 163
 164         int screentexturewidth, screentextureheight;
 165         rtexture_t *texture_screen; /// \note also used for motion blur if enabled!
 166
 167         int bloomtexturewidth, bloomtextureheight;
 168         rtexture_t *texture_bloom;
 169
 170         // arrays for rendering the screen passes
 171         float screentexcoord2f[8];
 172         float bloomtexcoord2f[8];
 173         float offsettexcoord2f[8];
 174
 175         r_viewport_t viewport;
 176 }
 177 r_bloomstate;
 178
 179 r_waterstate_t r_waterstate;
 180
 181 /// shadow volume bsp struct with automatically growing nodes buffer
 182 svbsp_t r_svbsp;
 183
 184 rtexture_t *r_texture_blanknormalmap;
 185 rtexture_t *r_texture_white;
 186 rtexture_t *r_texture_grey128;
 187 rtexture_t *r_texture_black;
 188 rtexture_t *r_texture_notexture;
 189 rtexture_t *r_texture_whitecube;
 190 rtexture_t *r_texture_normalizationcube;
 191 rtexture_t *r_texture_fogattenuation;
 192 rtexture_t *r_texture_gammaramps;
 193 unsigned int r_texture_gammaramps_serial;
 194 //rtexture_t *r_texture_fogintensity;
 195
 196 unsigned int r_queries[R_MAX_OCCLUSION_QUERIES];
 197 unsigned int r_numqueries;
 198 unsigned int r_maxqueries;
 199
 200 typedef struct r_qwskincache_s
 201 {
 202         char name[MAX_QPATH];
 203         skinframe_t *skinframe;
 204 }
 205 r_qwskincache_t;
 206
 207 static r_qwskincache_t *r_qwskincache;
 208 static int r_qwskincache_size;
 209
 210 /// vertex coordinates for a quad that covers the screen exactly
 211 const float r_screenvertex3f[12] =
 212 {
 213         0, 0, 0,
 214         1, 0, 0,
 215         1, 1, 0,
 216         0, 1, 0
 217 };
 218
 219 extern void R_DrawModelShadows(void);
 220
 221 void R_ModulateColors(float *in, float *out, int verts, float r, float g, float b)
 222 {
 223         int i;
 224         for (i = 0;i < verts;i++)
 225         {
 226                 out[0] = in[0] * r;
 227                 out[1] = in[1] * g;
 228                 out[2] = in[2] * b;
 229                 out[3] = in[3];
 230                 in += 4;
 231                 out += 4;
 232         }
 233 }
 234
 235 void R_FillColors(float *out, int verts, float r, float g, float b, float a)
 236 {
 237         int i;
 238         for (i = 0;i < verts;i++)
 239         {
 240                 out[0] = r;
 241                 out[1] = g;
 242                 out[2] = b;
 243                 out[3] = a;
 244                 out += 4;
 245         }
 246 }
 247
 248 // FIXME: move this to client?
 249 void FOG_clear(void)
 250 {
 251         if (gamemode == GAME_NEHAHRA)
 252         {
 253                 Cvar_Set("gl_fogenable", "0");
 254                 Cvar_Set("gl_fogdensity", "0.2");
 255                 Cvar_Set("gl_fogred", "0.3");
 256                 Cvar_Set("gl_foggreen", "0.3");
 257                 Cvar_Set("gl_fogblue", "0.3");
 258         }
 259         r_refdef.fog_density = 0;
 260         r_refdef.fog_red = 0;
 261         r_refdef.fog_green = 0;
 262         r_refdef.fog_blue = 0;
 263         r_refdef.fog_alpha = 1;
 264         r_refdef.fog_start = 0;
 265         r_refdef.fog_end = 0;
 266 }
 267
 268 static void R_BuildBlankTextures(void)
 269 {
 270         unsigned char data[4];
 271         data[2] = 128; // normal X
 272         data[1] = 128; // normal Y
 273         data[0] = 255; // normal Z
 274         data[3] = 128; // height
 275         r_texture_blanknormalmap = R_LoadTexture2D(r_main_texturepool, "blankbump", 1, 1, data, TEXTYPE_BGRA, TEXF_PRECACHE | TEXF_PERSISTENT, NULL);
 276         data[0] = 255;
 277         data[1] = 255;
 278         data[2] = 255;
 279         data[3] = 255;
 280         r_texture_white = R_LoadTexture2D(r_main_texturepool, "blankwhite", 1, 1, data, TEXTYPE_BGRA, TEXF_PRECACHE | TEXF_PERSISTENT, NULL);
 281         data[0] = 128;
 282         data[1] = 128;
 283         data[2] = 128;
 284         data[3] = 255;
 285         r_texture_grey128 = R_LoadTexture2D(r_main_texturepool, "blankgrey128", 1, 1, data, TEXTYPE_BGRA, TEXF_PRECACHE | TEXF_PERSISTENT, NULL);
 286         data[0] = 0;
 287         data[1] = 0;
 288         data[2] = 0;
 289         data[3] = 255;
 290         r_texture_black = R_LoadTexture2D(r_main_texturepool, "blankblack", 1, 1, data, TEXTYPE_BGRA, TEXF_PRECACHE | TEXF_PERSISTENT, NULL);
 291 }
 292
 293 static void R_BuildNoTexture(void)
 294 {
 295         int x, y;
 296         unsigned char pix[16][16][4];
 297         // this makes a light grey/dark grey checkerboard texture
 298         for (y = 0;y < 16;y++)
 299         {
 300                 for (x = 0;x < 16;x++)
 301                 {
 302                         if ((y < 8) ^ (x < 8))
 303                         {
 304                                 pix[y][x][0] = 128;
 305                                 pix[y][x][1] = 128;
 306                                 pix[y][x][2] = 128;
 307                                 pix[y][x][3] = 255;
 308                         }
 309                         else
 310                         {
 311                                 pix[y][x][0] = 64;
 312                                 pix[y][x][1] = 64;
 313                                 pix[y][x][2] = 64;
 314                                 pix[y][x][3] = 255;
 315                         }
 316                 }
 317         }
 318         r_texture_notexture = R_LoadTexture2D(r_main_texturepool, "notexture", 16, 16, &pix[0][0][0], TEXTYPE_BGRA, TEXF_MIPMAP | TEXF_PERSISTENT, NULL);
 319 }
 320
 321 static void R_BuildWhiteCube(void)
 322 {
 323         unsigned char data[6*1*1*4];
 324         memset(data, 255, sizeof(data));
 325         r_texture_whitecube = R_LoadTextureCubeMap(r_main_texturepool, "whitecube", 1, data, TEXTYPE_BGRA, TEXF_PRECACHE | TEXF_CLAMP | TEXF_PERSISTENT, NULL);
 326 }
 327
 328 static void R_BuildNormalizationCube(void)
 329 {
 330         int x, y, side;
 331         vec3_t v;
 332         vec_t s, t, intensity;
 333 #define NORMSIZE 64
 334         unsigned char data[6][NORMSIZE][NORMSIZE][4];
 335         for (side = 0;side < 6;side++)
 336         {
 337                 for (y = 0;y < NORMSIZE;y++)
 338                 {
 339                         for (x = 0;x < NORMSIZE;x++)
 340                         {
 341                                 s = (x + 0.5f) * (2.0f / NORMSIZE) - 1.0f;
 342                                 t = (y + 0.5f) * (2.0f / NORMSIZE) - 1.0f;
 343                                 switch(side)
 344                                 {
 345                                 default:
 346                                 case 0:
 347                                         v[0] = 1;
 348                                         v[1] = -t;
 349                                         v[2] = -s;
 350                                         break;
 351                                 case 1:
 352                                         v[0] = -1;
 353                                         v[1] = -t;
 354                                         v[2] = s;
 355                                         break;
 356                                 case 2:
 357                                         v[0] = s;
 358                                         v[1] = 1;
 359                                         v[2] = t;
 360                                         break;
 361                                 case 3:
 362                                         v[0] = s;
 363                                         v[1] = -1;
 364                                         v[2] = -t;
 365                                         break;
 366                                 case 4:
 367                                         v[0] = s;
 368                                         v[1] = -t;
 369                                         v[2] = 1;
 370                                         break;
 371                                 case 5:
 372                                         v[0] = -s;
 373                                         v[1] = -t;
 374                                         v[2] = -1;
 375                                         break;
 376                                 }
 377                                 intensity = 127.0f / sqrt(DotProduct(v, v));
 378                                 data[side][y][x][2] = (unsigned char)(128.0f + intensity * v[0]);
 379                                 data[side][y][x][1] = (unsigned char)(128.0f + intensity * v[1]);
 380                                 data[side][y][x][0] = (unsigned char)(128.0f + intensity * v[2]);
 381                                 data[side][y][x][3] = 255;
 382                         }
 383                 }
 384         }
 385         r_texture_normalizationcube = R_LoadTextureCubeMap(r_main_texturepool, "normalcube", NORMSIZE, &data[0][0][0][0], TEXTYPE_BGRA, TEXF_PRECACHE | TEXF_CLAMP | TEXF_PERSISTENT, NULL);
 386 }
 387
 388 static void R_BuildFogTexture(void)
 389 {
 390         int x, b;
 391 #define FOGWIDTH 256
 392         unsigned char data1[FOGWIDTH][4];
 393         //unsigned char data2[FOGWIDTH][4];
 394         double d, r, alpha;
 395
 396         r_refdef.fogmasktable_start = r_refdef.fog_start;
 397         r_refdef.fogmasktable_alpha = r_refdef.fog_alpha;
 398         r_refdef.fogmasktable_range = r_refdef.fogrange;
 399         r_refdef.fogmasktable_density = r_refdef.fog_density;
 400
 401         r = r_refdef.fogmasktable_range / FOGMASKTABLEWIDTH;
 402         for (x = 0;x < FOGMASKTABLEWIDTH;x++)
 403         {
 404                 d = (x * r - r_refdef.fogmasktable_start);
 405                 if(developer.integer >= 100)
 406                         Con_Printf("%f ", d);
 407                 d = max(0, d);
 408                 if (r_fog_exp2.integer)
 409                         alpha = exp(-r_refdef.fogmasktable_density * r_refdef.fogmasktable_density * 0.0001 * d * d);
 410                 else
 411                         alpha = exp(-r_refdef.fogmasktable_density * 0.004 * d);
 412                 if(developer.integer >= 100)
 413                         Con_Printf(" : %f ", alpha);
 414                 alpha = 1 - (1 - alpha) * r_refdef.fogmasktable_alpha;
 415                 if(developer.integer >= 100)
 416                         Con_Printf(" = %f\n", alpha);
 417                 r_refdef.fogmasktable[x] = bound(0, alpha, 1);
 418         }
 419
 420         for (x = 0;x < FOGWIDTH;x++)
 421         {
 422                 b = (int)(r_refdef.fogmasktable[x * (FOGMASKTABLEWIDTH - 1) / (FOGWIDTH - 1)] * 255);
 423                 data1[x][0] = b;
 424                 data1[x][1] = b;
 425                 data1[x][2] = b;
 426                 data1[x][3] = 255;
 427                 //data2[x][0] = 255 - b;
 428                 //data2[x][1] = 255 - b;
 429                 //data2[x][2] = 255 - b;
 430                 //data2[x][3] = 255;
 431         }
 432         if (r_texture_fogattenuation)
 433         {
 434                 R_UpdateTexture(r_texture_fogattenuation, &data1[0][0], 0, 0, FOGWIDTH, 1);
 435                 //R_UpdateTexture(r_texture_fogattenuation, &data2[0][0], 0, 0, FOGWIDTH, 1);
 436         }
 437         else
 438         {
 439                 r_texture_fogattenuation = R_LoadTexture2D(r_main_texturepool, "fogattenuation", FOGWIDTH, 1, &data1[0][0], TEXTYPE_BGRA, TEXF_PRECACHE | TEXF_FORCELINEAR | TEXF_CLAMP | TEXF_PERSISTENT, NULL);
 440                 //r_texture_fogintensity = R_LoadTexture2D(r_main_texturepool, "fogintensity", FOGWIDTH, 1, &data2[0][0], TEXTYPE_BGRA, TEXF_PRECACHE | TEXF_FORCELINEAR | TEXF_CLAMP, NULL);
 441         }
 442 }
 443
 444 static const char *builtinshaderstring =
 445 "// ambient+diffuse+specular+normalmap+attenuation+cubemap+fog shader\n"
 446 "// written by Forest 'LordHavoc' Hale\n"
 447 "\n"
 448 "// enable various extensions depending on permutation:\n"
 449 "\n"
 450 "#ifdef USESHADOWMAPRECT\n"
 451 "# extension GL_ARB_texture_rectangle : enable\n"
 452 "#endif\n"
 453 "\n"
 454 "#ifdef USESHADOWMAP2D\n"
 455 "# ifdef GL_EXT_gpu_shader4\n"
 456 "#   extension GL_EXT_gpu_shader4 : enable\n"
 457 "# endif\n"
 458 "# ifdef GL_ARB_texture_gather\n"
 459 "#   extension GL_ARB_texture_gather : enable\n"
 460 "# else\n"
 461 "#   ifdef GL_AMD_texture_texture4\n"
 462 "#     extension GL_AMD_texture_texture4 : enable\n"
 463 "#   endif\n"
 464 "# endif\n"
 465 "#endif\n"
 466 "\n"
 467 "#ifdef USESHADOWMAPCUBE\n"
 468 "# extension GL_EXT_gpu_shader4 : enable\n"
 469 "#endif\n"
 470 "\n"
 471 "#ifdef USESHADOWSAMPLER\n"
 472 "# extension GL_ARB_shadow : enable\n"
 473 "#endif\n"
 474 "\n"
 475 "// common definitions between vertex shader and fragment shader:\n"
 476 "\n"
 477 "//#ifdef __GLSL_CG_DATA_TYPES\n"
 478 "//# define myhalf half\n"
 479 "//# define myhalf2 half2\n"
 480 "//# define myhalf3half3\n"
 481 "//# define myhalf4 half4\n"
 482 "//#else\n"
 483 "# define myhalf float\n"
 484 "# define myhalf2 vec2\n"
 485 "# define myhalf3 vec3\n"
 486 "# define myhalf4 vec4\n"
 487 "//#endif\n"
 488 "\n"
 489 "#ifdef MODE_DEPTH_OR_SHADOW\n"
 490 "\n"
 491 "# ifdef VERTEX_SHADER\n"
 492 "void main(void)\n"
 493 "{\n"
 494 "       gl_Position = ftransform();\n"
 495 "}\n"
 496 "# endif\n"
 497 "\n"
 498 "#else\n"
 499 "#ifdef MODE_SHOWDEPTH\n"
 500 "# ifdef VERTEX_SHADER\n"
 501 "void main(void)\n"
 502 "{\n"
 503 "       gl_Position = ftransform();\n"
 504 "       gl_FrontColor = vec4(gl_Position.z, gl_Position.z, gl_Position.z, 1.0);\n"
 505 "}\n"
 506 "# endif\n"
 507 "# ifdef FRAGMENT_SHADER\n"
 508 "void main(void)\n"
 509 "{\n"
 510 "       gl_FragColor = gl_Color;\n"
 511 "}\n"
 512 "# endif\n"
 513 "\n"
 514 "#else // !MODE_SHOWDEPTH\n"
 515 "\n"
 516 "#ifdef MODE_POSTPROCESS\n"
 517 "# ifdef VERTEX_SHADER\n"
 518 "void main(void)\n"
 519 "{\n"
 520 "       gl_FrontColor = gl_Color;\n"
 521 "       gl_Position = ftransform();\n"
 522 "       gl_TexCoord[0] = gl_TextureMatrix[0] * gl_MultiTexCoord0;\n"
 523 "#ifdef USEBLOOM\n"
 524 "       gl_TexCoord[1] = gl_TextureMatrix[1] * gl_MultiTexCoord1;\n"
 525 "#endif\n"
 526 "}\n"
 527 "# endif\n"
 528 "# ifdef FRAGMENT_SHADER\n"
 529 "\n"
 530 "uniform sampler2D Texture_First;\n"
 531 "#ifdef USEBLOOM\n"
 532 "uniform sampler2D Texture_Second;\n"
 533 "#endif\n"
 534 "#ifdef USEGAMMARAMPS\n"
 535 "uniform sampler2D Texture_GammaRamps;\n"
 536 "#endif\n"
 537 "#ifdef USESATURATION\n"
 538 "uniform float Saturation;\n"
 539 "#endif\n"
 540 "#ifdef USEVIEWTINT\n"
 541 "uniform vec4 TintColor;\n"
 542 "#endif\n"
 543 "//uncomment these if you want to use them:\n"
 544 "uniform vec4 UserVec1;\n"
 545 "// uniform vec4 UserVec2;\n"
 546 "// uniform vec4 UserVec3;\n"
 547 "// uniform vec4 UserVec4;\n"
 548 "// uniform float ClientTime;\n"
 549 "uniform vec2 PixelSize;\n"
 550 "void main(void)\n"
 551 "{\n"
 552 "       gl_FragColor = texture2D(Texture_First, gl_TexCoord[0].xy);\n"
 553 "#ifdef USEBLOOM\n"
 554 "       gl_FragColor += texture2D(Texture_Second, gl_TexCoord[1].xy);\n"
 555 "#endif\n"
 556 "#ifdef USEVIEWTINT\n"
 557 "       gl_FragColor = mix(gl_FragColor, TintColor, TintColor.a);\n"
 558 "#endif\n"
 559 "\n"
 560 "#ifdef USEPOSTPROCESSING\n"
 561 "// do r_glsl_dumpshader, edit glsl/default.glsl, and replace this by your own postprocessing if you want\n"
 562 "// this code does a blur with the radius specified in the first component of r_glsl_postprocess_uservec1 and blends it using the second component\n"
 563 "       gl_FragColor += texture2D(Texture_First, gl_TexCoord[0].xy + PixelSize*UserVec1.x*vec2(-0.987688, -0.156434)) * UserVec1.y;\n"
 564 "       gl_FragColor += texture2D(Texture_First, gl_TexCoord[0].xy + PixelSize*UserVec1.x*vec2(-0.156434, -0.891007)) * UserVec1.y;\n"
 565 "       gl_FragColor += texture2D(Texture_First, gl_TexCoord[0].xy + PixelSize*UserVec1.x*vec2( 0.891007, -0.453990)) * UserVec1.y;\n"
 566 "       gl_FragColor += texture2D(Texture_First, gl_TexCoord[0].xy + PixelSize*UserVec1.x*vec2( 0.707107,  0.707107)) * UserVec1.y;\n"
 567 "       gl_FragColor += texture2D(Texture_First, gl_TexCoord[0].xy + PixelSize*UserVec1.x*vec2(-0.453990,  0.891007)) * UserVec1.y;\n"
 568 "       gl_FragColor /= (1 + 5 * UserVec1.y);\n"
 569 "#endif\n"
 570 "\n"
 571 "#ifdef USESATURATION\n"
 572 "       //apply saturation BEFORE gamma ramps, so v_glslgamma value does not matter\n"
 573 "       myhalf y = dot(gl_FragColor.rgb, vec3(0.299, 0.587, 0.114));\n"
 574 "       //gl_FragColor = vec3(y) + (gl_FragColor.rgb - vec3(y)) * Saturation;\n"
 575 "       gl_FragColor.rgb = mix(vec3(y), gl_FragColor.rgb, Saturation);\n"
 576 "#endif\n"
 577 "\n"
 578 "#ifdef USEGAMMARAMPS\n"
 579 "       gl_FragColor.r = texture2D(Texture_GammaRamps, vec2(gl_FragColor.r, 0)).r;\n"
 580 "       gl_FragColor.g = texture2D(Texture_GammaRamps, vec2(gl_FragColor.g, 0)).g;\n"
 581 "       gl_FragColor.b = texture2D(Texture_GammaRamps, vec2(gl_FragColor.b, 0)).b;\n"
 582 "#endif\n"
 583 "}\n"
 584 "# endif\n"
 585 "\n"
 586 "\n"
 587 "#else\n"
 588 "#ifdef MODE_GENERIC\n"
 589 "# ifdef VERTEX_SHADER\n"
 590 "void main(void)\n"
 591 "{\n"
 592 "       gl_FrontColor = gl_Color;\n"
 593 "#  ifdef USEDIFFUSE\n"
 594 "       gl_TexCoord[0] = gl_TextureMatrix[0] * gl_MultiTexCoord0;\n"
 595 "#  endif\n"
 596 "#  ifdef USESPECULAR\n"
 597 "       gl_TexCoord[1] = gl_TextureMatrix[1] * gl_MultiTexCoord1;\n"
 598 "#  endif\n"
 599 "       gl_Position = ftransform();\n"
 600 "}\n"
 601 "# endif\n"
 602 "# ifdef FRAGMENT_SHADER\n"
 603 "\n"
 604 "#  ifdef USEDIFFUSE\n"
 605 "uniform sampler2D Texture_First;\n"
 606 "#  endif\n"
 607 "#  ifdef USESPECULAR\n"
 608 "uniform sampler2D Texture_Second;\n"
 609 "#  endif\n"
 610 "\n"
 611 "void main(void)\n"
 612 "{\n"
 613 "       gl_FragColor = gl_Color;\n"
 614 "#  ifdef USEDIFFUSE\n"
 615 "       gl_FragColor *= texture2D(Texture_First, gl_TexCoord[0].xy);\n"
 616 "#  endif\n"
 617 "\n"
 618 "#  ifdef USESPECULAR\n"
 619 "       vec4 tex2 = texture2D(Texture_Second, gl_TexCoord[1].xy);\n"
 620 "#  endif\n"
 621 "#  ifdef USECOLORMAPPING\n"
 622 "       gl_FragColor *= tex2;\n"
 623 "#  endif\n"
 624 "#  ifdef USEGLOW\n"
 625 "       gl_FragColor += tex2;\n"
 626 "#  endif\n"
 627 "#  ifdef USEVERTEXTEXTUREBLEND\n"
 628 "       gl_FragColor = mix(gl_FragColor, tex2, tex2.a);\n"
 629 "#  endif\n"
 630 "}\n"
 631 "# endif\n"
 632 "\n"
 633 "#else // !MODE_GENERIC\n"
 634 "\n"
 635 "varying vec2 TexCoord;\n"
 636 "#ifdef USEVERTEXTEXTUREBLEND\n"
 637 "varying vec2 TexCoord2;\n"
 638 "#endif\n"
 639 "varying vec2 TexCoordLightmap;\n"
 640 "\n"
 641 "#ifdef MODE_LIGHTSOURCE\n"
 642 "varying vec3 CubeVector;\n"
 643 "#endif\n"
 644 "\n"
 645 "#ifdef MODE_LIGHTSOURCE\n"
 646 "varying vec3 LightVector;\n"
 647 "#endif\n"
 648 "#ifdef MODE_LIGHTDIRECTION\n"
 649 "varying vec3 LightVector;\n"
 650 "#endif\n"
 651 "\n"
 652 "varying vec3 EyeVector;\n"
 653 "#ifdef USEFOG\n"
 654 "varying vec3 EyeVectorModelSpace;\n"
 655 "#endif\n"
 656 "\n"
 657 "varying vec3 VectorS; // direction of S texcoord (sometimes crudely called tangent)\n"
 658 "varying vec3 VectorT; // direction of T texcoord (sometimes crudely called binormal)\n"
 659 "varying vec3 VectorR; // direction of R texcoord (surface normal)\n"
 660 "\n"
 661 "#ifdef MODE_WATER\n"
 662 "varying vec4 ModelViewProjectionPosition;\n"
 663 "#endif\n"
 664 "#ifdef MODE_REFRACTION\n"
 665 "varying vec4 ModelViewProjectionPosition;\n"
 666 "#endif\n"
 667 "#ifdef USEREFLECTION\n"
 668 "varying vec4 ModelViewProjectionPosition;\n"
 669 "#endif\n"
 670 "\n"
 671 "\n"
 672 "\n"
 673 "\n"
 674 "\n"
 675 "// vertex shader specific:\n"
 676 "#ifdef VERTEX_SHADER\n"
 677 "\n"
 678 "uniform vec3 LightPosition;\n"
 679 "uniform vec3 EyePosition;\n"
 680 "uniform vec3 LightDir;\n"
 681 "\n"
 682 "// TODO: get rid of tangentt (texcoord2) and use a crossproduct to regenerate it from tangents (texcoord1) and normal (texcoord3), this would require sending a 4 component texcoord1 with W as 1 or -1 according to which side the texcoord2 should be on\n"
 683 "\n"
 684 "void main(void)\n"
 685 "{\n"
 686 "       gl_FrontColor = gl_Color;\n"
 687 "       // copy the surface texcoord\n"
 688 "       TexCoord = vec2(gl_TextureMatrix[0] * gl_MultiTexCoord0);\n"
 689 "#ifdef USEVERTEXTEXTUREBLEND\n"
 690 "       TexCoord2 = vec2(gl_TextureMatrix[1] * gl_MultiTexCoord0);\n"
 691 "#endif\n"
 692 "#ifndef MODE_LIGHTSOURCE\n"
 693 "# ifndef MODE_LIGHTDIRECTION\n"
 694 "       TexCoordLightmap = vec2(gl_MultiTexCoord4);\n"
 695 "# endif\n"
 696 "#endif\n"
 697 "\n"
 698 "#ifdef MODE_LIGHTSOURCE\n"
 699 "       // transform vertex position into light attenuation/cubemap space\n"
 700 "       // (-1 to +1 across the light box)\n"
 701 "       CubeVector = vec3(gl_TextureMatrix[3] * gl_Vertex);\n"
 702 "\n"
 703 "       // transform unnormalized light direction into tangent space\n"
 704 "       // (we use unnormalized to ensure that it interpolates correctly and then\n"
 705 "       //  normalize it per pixel)\n"
 706 "       vec3 lightminusvertex = LightPosition - gl_Vertex.xyz;\n"
 707 "       LightVector.x = dot(lightminusvertex, gl_MultiTexCoord1.xyz);\n"
 708 "       LightVector.y = dot(lightminusvertex, gl_MultiTexCoord2.xyz);\n"
 709 "       LightVector.z = dot(lightminusvertex, gl_MultiTexCoord3.xyz);\n"
 710 "#endif\n"
 711 "\n"
 712 "#ifdef MODE_LIGHTDIRECTION\n"
 713 "       LightVector.x = dot(LightDir, gl_MultiTexCoord1.xyz);\n"
 714 "       LightVector.y = dot(LightDir, gl_MultiTexCoord2.xyz);\n"
 715 "       LightVector.z = dot(LightDir, gl_MultiTexCoord3.xyz);\n"
 716 "#endif\n"
 717 "\n"
 718 "       // transform unnormalized eye direction into tangent space\n"
 719 "#ifndef USEFOG\n"
 720 "       vec3 EyeVectorModelSpace;\n"
 721 "#endif\n"
 722 "       EyeVectorModelSpace = EyePosition - gl_Vertex.xyz;\n"
 723 "       EyeVector.x = dot(EyeVectorModelSpace, gl_MultiTexCoord1.xyz);\n"
 724 "       EyeVector.y = dot(EyeVectorModelSpace, gl_MultiTexCoord2.xyz);\n"
 725 "       EyeVector.z = dot(EyeVectorModelSpace, gl_MultiTexCoord3.xyz);\n"
 726 "\n"
 727 "#ifdef MODE_LIGHTDIRECTIONMAP_MODELSPACE\n"
 728 "       VectorS = gl_MultiTexCoord1.xyz;\n"
 729 "       VectorT = gl_MultiTexCoord2.xyz;\n"
 730 "       VectorR = gl_MultiTexCoord3.xyz;\n"
 731 "#endif\n"
 732 "\n"
 733 "//#if defined(MODE_WATER) || defined(MODE_REFRACTION) || defined(USEREFLECTION)\n"
 734 "//     ModelViewProjectionPosition = gl_Vertex * gl_ModelViewProjectionMatrix;\n"
 735 "//     //ModelViewProjectionPosition_svector = (gl_Vertex + vec4(gl_MultiTexCoord1.xyz, 0)) * gl_ModelViewProjectionMatrix - ModelViewProjectionPosition;\n"
 736 "//     //ModelViewProjectionPosition_tvector = (gl_Vertex + vec4(gl_MultiTexCoord2.xyz, 0)) * gl_ModelViewProjectionMatrix - ModelViewProjectionPosition;\n"
 737 "//#endif\n"
 738 "\n"
 739 "// transform vertex to camera space, using ftransform to match non-VS\n"
 740 "       // rendering\n"
 741 "       gl_Position = ftransform();\n"
 742 "\n"
 743 "#ifdef MODE_WATER\n"
 744 "       ModelViewProjectionPosition = gl_Position;\n"
 745 "#endif\n"
 746 "#ifdef MODE_REFRACTION\n"
 747 "       ModelViewProjectionPosition = gl_Position;\n"
 748 "#endif\n"
 749 "#ifdef USEREFLECTION\n"
 750 "       ModelViewProjectionPosition = gl_Position;\n"
 751 "#endif\n"
 752 "}\n"
 753 "\n"
 754 "#endif // VERTEX_SHADER\n"
 755 "\n"
 756 "\n"
 757 "\n"
 758 "\n"
 759 "// fragment shader specific:\n"
 760 "#ifdef FRAGMENT_SHADER\n"
 761 "\n"
 762 "// 13 textures, we can only use up to 16 on DX9-class hardware\n"
 763 "uniform sampler2D Texture_Normal;\n"
 764 "uniform sampler2D Texture_Color;\n"
 765 "uniform sampler2D Texture_Gloss;\n"
 766 "uniform sampler2D Texture_Glow;\n"
 767 "uniform sampler2D Texture_SecondaryNormal;\n"
 768 "uniform sampler2D Texture_SecondaryColor;\n"
 769 "uniform sampler2D Texture_SecondaryGloss;\n"
 770 "uniform sampler2D Texture_SecondaryGlow;\n"
 771 "uniform sampler2D Texture_Pants;\n"
 772 "uniform sampler2D Texture_Shirt;\n"
 773 "uniform sampler2D Texture_FogMask;\n"
 774 "uniform sampler2D Texture_Lightmap;\n"
 775 "uniform sampler2D Texture_Deluxemap;\n"
 776 "uniform sampler2D Texture_Refraction;\n"
 777 "uniform sampler2D Texture_Reflection;\n"
 778 "uniform sampler2D Texture_Attenuation;\n"
 779 "uniform samplerCube Texture_Cube;\n"
 780 "\n"
 781 "#define showshadowmap 0\n"
 782 "\n"
 783 "#ifdef USESHADOWMAPRECT\n"
 784 "# ifdef USESHADOWSAMPLER\n"
 785 "uniform sampler2DRectShadow Texture_ShadowMapRect;\n"
 786 "# else\n"
 787 "uniform sampler2DRect Texture_ShadowMapRect;\n"
 788 "# endif\n"
 789 "#endif\n"
 790 "\n"
 791 "#ifdef USESHADOWMAP2D\n"
 792 "# ifdef USESHADOWSAMPLER\n"
 793 "uniform sampler2DShadow Texture_ShadowMap2D;\n"
 794 "# else\n"
 795 "uniform sampler2D Texture_ShadowMap2D;\n"
 796 "# endif\n"
 797 "#endif\n"
 798 "\n"
 799 "#ifdef USESHADOWMAPVSDCT\n"
 800 "uniform samplerCube Texture_CubeProjection;\n"
 801 "#endif\n"
 802 "\n"
 803 "#ifdef USESHADOWMAPCUBE\n"
 804 "# ifdef USESHADOWSAMPLER\n"
 805 "uniform samplerCubeShadow Texture_ShadowMapCube;\n"
 806 "# else\n"
 807 "uniform samplerCube Texture_ShadowMapCube;\n"
 808 "# endif\n"
 809 "#endif\n"
 810 "\n"
 811 "uniform myhalf3 LightColor;\n"
 812 "uniform myhalf3 AmbientColor;\n"
 813 "uniform myhalf3 DiffuseColor;\n"
 814 "uniform myhalf3 SpecularColor;\n"
 815 "uniform myhalf3 Color_Pants;\n"
 816 "uniform myhalf3 Color_Shirt;\n"
 817 "uniform myhalf3 FogColor;\n"
 818 "\n"
 819 "uniform myhalf4 TintColor;\n"
 820 "\n"
 821 "\n"
 822 "//#ifdef MODE_WATER\n"
 823 "uniform vec4 DistortScaleRefractReflect;\n"
 824 "uniform vec4 ScreenScaleRefractReflect;\n"
 825 "uniform vec4 ScreenCenterRefractReflect;\n"
 826 "uniform myhalf4 RefractColor;\n"
 827 "uniform myhalf4 ReflectColor;\n"
 828 "uniform myhalf ReflectFactor;\n"
 829 "uniform myhalf ReflectOffset;\n"
 830 "//#else\n"
 831 "//# ifdef MODE_REFRACTION\n"
 832 "//uniform vec4 DistortScaleRefractReflect;\n"
 833 "//uniform vec4 ScreenScaleRefractReflect;\n"
 834 "//uniform vec4 ScreenCenterRefractReflect;\n"
 835 "//uniform myhalf4 RefractColor;\n"
 836 "//#  ifdef USEREFLECTION\n"
 837 "//uniform myhalf4 ReflectColor;\n"
 838 "//#  endif\n"
 839 "//# else\n"
 840 "//#  ifdef USEREFLECTION\n"
 841 "//uniform vec4 DistortScaleRefractReflect;\n"
 842 "//uniform vec4 ScreenScaleRefractReflect;\n"
 843 "//uniform vec4 ScreenCenterRefractReflect;\n"
 844 "//uniform myhalf4 ReflectColor;\n"
 845 "//#  endif\n"
 846 "//# endif\n"
 847 "//#endif\n"
 848 "\n"
 849 "uniform myhalf3 GlowColor;\n"
 850 "uniform myhalf SceneBrightness;\n"
 851 "\n"
 852 "uniform float OffsetMapping_Scale;\n"
 853 "uniform float OffsetMapping_Bias;\n"
 854 "uniform float FogRangeRecip;\n"
 855 "\n"
 856 "uniform myhalf AmbientScale;\n"
 857 "uniform myhalf DiffuseScale;\n"
 858 "uniform myhalf SpecularScale;\n"
 859 "uniform myhalf SpecularPower;\n"
 860 "\n"
 861 "#ifdef USEOFFSETMAPPING\n"
 862 "vec2 OffsetMapping(vec2 TexCoord)\n"
 863 "{\n"
 864 "#ifdef USEOFFSETMAPPING_RELIEFMAPPING\n"
 865 "       // 14 sample relief mapping: linear search and then binary search\n"
 866 "       // this basically steps forward a small amount repeatedly until it finds\n"
 867 "       // itself inside solid, then jitters forward and back using decreasing\n"
 868 "       // amounts to find the impact\n"
 869 "       //vec3 OffsetVector = vec3(EyeVector.xy * ((1.0 / EyeVector.z) * OffsetMapping_Scale) * vec2(-1, 1), -1);\n"
 870 "       //vec3 OffsetVector = vec3(normalize(EyeVector.xy) * OffsetMapping_Scale * vec2(-1, 1), -1);\n"
 871 "       vec3 OffsetVector = vec3(normalize(EyeVector).xy * OffsetMapping_Scale * vec2(-1, 1), -1);\n"
 872 "       vec3 RT = vec3(TexCoord, 1);\n"
 873 "       OffsetVector *= 0.1;\n"
 874 "       RT += OffsetVector *  step(texture2D(Texture_Normal, RT.xy).a, RT.z);\n"
 875 "       RT += OffsetVector *  step(texture2D(Texture_Normal, RT.xy).a, RT.z);\n"
 876 "       RT += OffsetVector *  step(texture2D(Texture_Normal, RT.xy).a, RT.z);\n"
 877 "       RT += OffsetVector *  step(texture2D(Texture_Normal, RT.xy).a, RT.z);\n"
 878 "       RT += OffsetVector *  step(texture2D(Texture_Normal, RT.xy).a, RT.z);\n"
 879 "       RT += OffsetVector *  step(texture2D(Texture_Normal, RT.xy).a, RT.z);\n"
 880 "       RT += OffsetVector *  step(texture2D(Texture_Normal, RT.xy).a, RT.z);\n"
 881 "       RT += OffsetVector *  step(texture2D(Texture_Normal, RT.xy).a, RT.z);\n"
 882 "       RT += OffsetVector *  step(texture2D(Texture_Normal, RT.xy).a, RT.z);\n"
 883 "       RT += OffsetVector * (step(texture2D(Texture_Normal, RT.xy).a, RT.z)          - 0.5);\n"
 884 "       RT += OffsetVector * (step(texture2D(Texture_Normal, RT.xy).a, RT.z) * 0.5    - 0.25);\n"
 885 "       RT += OffsetVector * (step(texture2D(Texture_Normal, RT.xy).a, RT.z) * 0.25   - 0.125);\n"
 886 "       RT += OffsetVector * (step(texture2D(Texture_Normal, RT.xy).a, RT.z) * 0.125  - 0.0625);\n"
 887 "       RT += OffsetVector * (step(texture2D(Texture_Normal, RT.xy).a, RT.z) * 0.0625 - 0.03125);\n"
 888 "       return RT.xy;\n"
 889 "#else\n"
 890 "       // 3 sample offset mapping (only 3 samples because of ATI Radeon 9500-9800/X300 limits)\n"
 891 "       // this basically moves forward the full distance, and then backs up based\n"
 892 "       // on height of samples\n"
 893 "       //vec2 OffsetVector = vec2(EyeVector.xy * ((1.0 / EyeVector.z) * OffsetMapping_Scale) * vec2(-1, 1));\n"
 894 "       //vec2 OffsetVector = vec2(normalize(EyeVector.xy) * OffsetMapping_Scale * vec2(-1, 1));\n"
 895 "       vec2 OffsetVector = vec2(normalize(EyeVector).xy * OffsetMapping_Scale * vec2(-1, 1));\n"
 896 "       TexCoord += OffsetVector;\n"
 897 "       OffsetVector *= 0.333;\n"
 898 "       TexCoord -= OffsetVector * texture2D(Texture_Normal, TexCoord).a;\n"
 899 "       TexCoord -= OffsetVector * texture2D(Texture_Normal, TexCoord).a;\n"
 900 "       TexCoord -= OffsetVector * texture2D(Texture_Normal, TexCoord).a;\n"
 901 "       return TexCoord;\n"
 902 "#endif\n"
 903 "}\n"
 904 "#endif // USEOFFSETMAPPING\n"
 905 "\n"
 906 "#if defined(USESHADOWMAPRECT) || defined(USESHADOWMAP2D) || defined(USESHADOWMAPCUBE)\n"
 907 "uniform vec2 ShadowMap_TextureScale;\n"
 908 "uniform vec4 ShadowMap_Parameters;\n"
 909 "#endif\n"
 910 "\n"
 911 "#if defined(USESHADOWMAPRECT) || defined(USESHADOWMAP2D)\n"
 912 "vec3 GetShadowMapTC2D(vec3 dir)\n"
 913 "{\n"
 914 "       vec3 adir = abs(dir);\n"
 915 "# ifndef USESHADOWMAPVSDCT\n"
 916 "       vec2 tc;\n"
 917 "       vec2 offset;\n"
 918 "       float ma;\n"
 919 "       if (adir.x > adir.y)\n"
 920 "       {\n"
 921 "               if (adir.x > adir.z) // X\n"
 922 "               {\n"
 923 "                       ma = adir.x;\n"
 924 "                       tc = dir.zy;\n"
 925 "                       offset = vec2(mix(0.5, 1.5, dir.x < 0.0), 0.5);\n"
 926 "               }\n"
 927 "               else // Z\n"
 928 "               {\n"
 929 "                       ma = adir.z;\n"
 930 "                       tc = dir.xy;\n"
 931 "                       offset = vec2(mix(0.5, 1.5, dir.z < 0.0), 2.5);\n"
 932 "               }\n"
 933 "       }\n"
 934 "       else\n"
 935 "       {\n"
 936 "               if (adir.y > adir.z) // Y\n"
 937 "               {\n"
 938 "                       ma = adir.y;\n"
 939 "                       tc = dir.xz;\n"
 940 "                       offset = vec2(mix(0.5, 1.5, dir.y < 0.0), 1.5);\n"
 941 "               }\n"
 942 "               else // Z\n"
 943 "               {\n"
 944 "                       ma = adir.z;\n"
 945 "                       tc = dir.xy;\n"
 946 "                       offset = vec2(mix(0.5, 1.5, dir.z < 0.0), 2.5);\n"
 947 "               }\n"
 948 "       }\n"
 949 "\n"
 950 "       vec3 stc = vec3(tc * ShadowMap_Parameters.x, ShadowMap_Parameters.w) / ma;\n"
 951 "       stc.xy += offset * ShadowMap_Parameters.y;\n"
 952 "       stc.z += ShadowMap_Parameters.z;\n"
 953 "#  if showshadowmap\n"
 954 "       stc.xy *= ShadowMap_TextureScale;\n"
 955 "#  endif\n"
 956 "       return stc;\n"
 957 "# else\n"
 958 "       vec4 proj = textureCube(Texture_CubeProjection, dir);\n"
 959 "       float ma = max(max(adir.x, adir.y), adir.z);\n"
 960 "       vec3 stc = vec3(mix(dir.xy, dir.zz, proj.xy) * ShadowMap_Parameters.x, ShadowMap_Parameters.w) / ma;\n"
 961 "       stc.xy += proj.zw * ShadowMap_Parameters.y;\n"
 962 "       stc.z += ShadowMap_Parameters.z;\n"
 963 "#  if showshadowmap\n"
 964 "       stc.xy *= ShadowMap_TextureScale;\n"
 965 "#  endif\n"
 966 "       return stc;\n"
 967 "# endif\n"
 968 "}\n"
 969 "#endif // defined(USESHADOWMAPRECT) || defined(USESHADOWMAP2D)\n"
 970 "\n"
 971 "#ifdef USESHADOWMAPCUBE\n"
 972 "vec4 GetShadowMapTCCube(vec3 dir)\n"
 973 "{\n"
 974 "    vec3 adir = abs(dir);\n"
 975 "    return vec4(dir, ShadowMap_Parameters.z + ShadowMap_Parameters.w / max(max(adir.x, adir.y), adir.z));\n"
 976 "}\n"
 977 "#endif\n"
 978 "\n"
 979 "#if !showshadowmap\n"
 980 "# ifdef USESHADOWMAPRECT\n"
 981 "float ShadowMapCompare(vec3 dir)\n"
 982 "{\n"
 983 "       vec3 shadowmaptc = GetShadowMapTC2D(dir);\n"
 984 "       float f;\n"
 985 "#  ifdef USESHADOWSAMPLER\n"
 986 "\n"
 987 "#    ifdef USESHADOWMAPPCF\n"
 988 "#      define texval(x, y) shadow2DRect(Texture_ShadowMapRect, shadowmaptc + vec3(x, y, 0.0)).r\n"
 989 "    f = dot(vec4(0.25), vec4(texval(-0.4, 1.0), texval(-1.0, -0.4), texval(0.4, -1.0), texval(1.0, 0.4)));\n"
 990 "#    else\n"
 991 "    f = shadow2DRect(Texture_ShadowMapRect, shadowmaptc).r;\n"
 992 "#    endif\n"
 993 "\n"
 994 "#  else\n"
 995 "\n"
 996 "#    ifdef USESHADOWMAPPCF\n"
 997 "#      if USESHADOWMAPPCF > 1\n"
 998 "#        define texval(x, y) texture2DRect(Texture_ShadowMapRect, center + vec2(x, y)).r\n"
 999 "    vec2 center = shadowmaptc.xy - 0.5, offset = fract(center);\n"
1000 "    vec4 row1 = step(shadowmaptc.z, vec4(texval(-1.0, -1.0), texval( 0.0, -1.0), texval( 1.0, -1.0), texval( 2.0, -1.0)));\n"
1001 "    vec4 row2 = step(shadowmaptc.z, vec4(texval(-1.0,  0.0), texval( 0.0,  0.0), texval( 1.0,  0.0), texval( 2.0,  0.0)));\n"
1002 "    vec4 row3 = step(shadowmaptc.z, vec4(texval(-1.0,  1.0), texval( 0.0,  1.0), texval( 1.0,  1.0), texval( 2.0,  1.0)));\n"
1003 "    vec4 row4 = step(shadowmaptc.z, vec4(texval(-1.0,  2.0), texval( 0.0,  2.0), texval( 1.0,  2.0), texval( 2.0,  2.0)));\n"
1004 "    vec4 cols = row2 + row3 + mix(row1, row4, offset.y);\n"
1005 "    f = dot(mix(cols.xyz, cols.yzw, offset.x), vec3(1.0/9.0));\n"
1006 "#      else\n"
1007 "#        define texval(x, y) texture2DRect(Texture_ShadowMapRect, shadowmaptc.xy + vec2(x, y)).r\n"
1008 "    vec2 offset = fract(shadowmaptc.xy);\n"
1009 "    vec3 row1 = step(shadowmaptc.z, vec3(texval(-1.0, -1.0), texval( 0.0, -1.0), texval( 1.0, -1.0)));\n"
1010 "    vec3 row2 = step(shadowmaptc.z, vec3(texval(-1.0,  0.0), texval( 0.0,  0.0), texval( 1.0,  0.0)));\n"
1011 "    vec3 row3 = step(shadowmaptc.z, vec3(texval(-1.0,  1.0), texval( 0.0,  1.0), texval( 1.0,  1.0)));\n"
1012 "    vec3 cols = row2 + mix(row1, row3, offset.y);\n"
1013 "    f = dot(mix(cols.xy, cols.yz, offset.x), vec2(0.25));\n"
1014 "#      endif\n"
1015 "#    else\n"
1016 "    f = step(shadowmaptc.z, texture2DRect(Texture_ShadowMapRect, shadowmaptc.xy).r);\n"
1017 "#    endif\n"
1018 "\n"
1019 "#  endif\n"
1020 "       return f;\n"
1021 "}\n"
1022 "# endif\n"
1023 "\n"
1024 "# ifdef USESHADOWMAP2D\n"
1025 "float ShadowMapCompare(vec3 dir)\n"
1026 "{\n"
1027 "    vec3 shadowmaptc = GetShadowMapTC2D(dir);\n"
1028 "    float f;\n"
1029 "\n"
1030 "#  ifdef USESHADOWSAMPLER\n"
1031 "#    ifdef USESHADOWMAPPCF\n"
1032 "#      define texval(x, y) shadow2D(Texture_ShadowMap2D, vec3(center + vec2(x, y)*ShadowMap_TextureScale, shadowmaptc.z)).r  \n"
1033 "    vec2 center = shadowmaptc.xy*ShadowMap_TextureScale;\n"
1034 "    f = dot(vec4(0.25), vec4(texval(-0.4, 1.0), texval(-1.0, -0.4), texval(0.4, -1.0), texval(1.0, 0.4)));\n"
1035 "#    else\n"
1036 "    f = shadow2D(Texture_ShadowMap2D, vec3(shadowmaptc.xy*ShadowMap_TextureScale, shadowmaptc.z)).r;\n"
1037 "#    endif\n"
1038 "#  else\n"
1039 "#    ifdef USESHADOWMAPPCF\n"
1040 "#     if defined(GL_ARB_texture_gather) || defined(GL_AMD_texture_texture4)\n"
1041 "#      ifdef GL_ARB_texture_gather\n"
1042 "#        define texval(x, y) textureGatherOffset(Texture_ShadowMap2D, center, ivec(x, y))\n"
1043 "#      else\n"
1044 "#        define texval(x, y) texture4(Texture_ShadowMap2D, center + vec2(x,y)*ShadowMap_TextureScale)\n"
1045 "#      endif\n"
1046 "    vec2 center = shadowmaptc.xy - 0.5, offset = fract(center);\n"
1047 "    center *= ShadowMap_TextureScale;\n"
1048 "    vec4 group1 = step(shadowmaptc.z, texval(-1.0, -1.0));\n"
1049 "    vec4 group2 = step(shadowmaptc.z, texval( 1.0, -1.0));\n"
1050 "    vec4 group3 = step(shadowmaptc.z, texval(-1.0,  1.0));\n"
1051 "    vec4 group4 = step(shadowmaptc.z, texval( 1.0,  1.0));\n"
1052 "    vec4 cols = vec4(group1.rg, group2.rg) + vec4(group3.ab, group4.ab) +\n"
1053 "                mix(vec4(group1.ab, group2.ab), vec4(group3.rg, group4.rg), offset.y);\n"
1054 "    f = dot(mix(cols.xyz, cols.yzw, offset.x), vec3(1.0/9.0));\n"
1055 "#     else\n"
1056 "#      ifdef GL_EXT_gpu_shader4\n"
1057 "#        define texval(x, y) texture2DOffset(Texture_ShadowMap2D, center, ivec2(x, y)).r\n"
1058 "#      else\n"
1059 "#        define texval(x, y) texture2D(Texture_ShadowMap2D, center + vec2(x, y)*ShadowMap_TextureScale).r  \n"
1060 "#      endif\n"
1061 "#      if USESHADOWMAPPCF > 1\n"
1062 "    vec2 center = shadowmaptc.xy - 0.5, offset = fract(center);\n"
1063 "    center *= ShadowMap_TextureScale;\n"
1064 "    vec4 row1 = step(shadowmaptc.z, vec4(texval(-1.0, -1.0), texval( 0.0, -1.0), texval( 1.0, -1.0), texval( 2.0, -1.0)));\n"
1065 "    vec4 row2 = step(shadowmaptc.z, vec4(texval(-1.0,  0.0), texval( 0.0,  0.0), texval( 1.0,  0.0), texval( 2.0,  0.0)));\n"
1066 "    vec4 row3 = step(shadowmaptc.z, vec4(texval(-1.0,  1.0), texval( 0.0,  1.0), texval( 1.0,  1.0), texval( 2.0,  1.0)));\n"
1067 "    vec4 row4 = step(shadowmaptc.z, vec4(texval(-1.0,  2.0), texval( 0.0,  2.0), texval( 1.0,  2.0), texval( 2.0,  2.0)));\n"
1068 "    vec4 cols = row2 + row3 + mix(row1, row4, offset.y);\n"
1069 "    f = dot(mix(cols.xyz, cols.yzw, offset.x), vec3(1.0/9.0));\n"
1070 "#      else\n"
1071 "    vec2 center = shadowmaptc.xy*ShadowMap_TextureScale, offset = fract(shadowmaptc.xy);\n"
1072 "    vec3 row1 = step(shadowmaptc.z, vec3(texval(-1.0, -1.0), texval( 0.0, -1.0), texval( 1.0, -1.0)));\n"
1073 "    vec3 row2 = step(shadowmaptc.z, vec3(texval(-1.0,  0.0), texval( 0.0,  0.0), texval( 1.0,  0.0)));\n"
1074 "    vec3 row3 = step(shadowmaptc.z, vec3(texval(-1.0,  1.0), texval( 0.0,  1.0), texval( 1.0,  1.0)));\n"
1075 "    vec3 cols = row2 + mix(row1, row3, offset.y);\n"
1076 "    f = dot(mix(cols.xy, cols.yz, offset.x), vec2(0.25));\n"
1077 "#      endif\n"
1078 "#     endif\n"
1079 "#    else\n"
1080 "    f = step(shadowmaptc.z, texture2D(Texture_ShadowMap2D, shadowmaptc.xy*ShadowMap_TextureScale).r);\n"
1081 "#    endif\n"
1082 "#  endif\n"
1083 "    return f;\n"
1084 "}\n"
1085 "# endif\n"
1086 "\n"
1087 "# ifdef USESHADOWMAPCUBE\n"
1088 "float ShadowMapCompare(vec3 dir)\n"
1089 "{\n"
1090 "    // apply depth texture cubemap as light filter\n"
1091 "    vec4 shadowmaptc = GetShadowMapTCCube(dir);\n"
1092 "    float f;\n"
1093 "#  ifdef USESHADOWSAMPLER\n"
1094 "    f = shadowCube(Texture_ShadowMapCube, shadowmaptc).r;\n"
1095 "#  else\n"
1096 "    f = step(shadowmaptc.w, textureCube(Texture_ShadowMapCube, shadowmaptc.xyz).r);\n"
1097 "#  endif\n"
1098 "    return f;\n"
1099 "}\n"
1100 "# endif\n"
1101 "#endif\n"
1102 "\n"
1103 "#ifdef MODE_WATER\n"
1104 "\n"
1105 "// water pass\n"
1106 "void main(void)\n"
1107 "{\n"
1108 "#ifdef USEOFFSETMAPPING\n"
1109 "       // apply offsetmapping\n"
1110 "       vec2 TexCoordOffset = OffsetMapping(TexCoord);\n"
1111 "#define TexCoord TexCoordOffset\n"
1112 "#endif\n"
1113 "\n"
1114 "       vec4 ScreenScaleRefractReflectIW = ScreenScaleRefractReflect * (1.0 / ModelViewProjectionPosition.w);\n"
1115 "       //vec4 ScreenTexCoord = (ModelViewProjectionPosition.xyxy + normalize(myhalf3(texture2D(Texture_Normal, TexCoord)) - myhalf3(0.5)).xyxy * DistortScaleRefractReflect * 100) * ScreenScaleRefractReflectIW + ScreenCenterRefractReflect;\n"
1116 "       vec4 SafeScreenTexCoord = ModelViewProjectionPosition.xyxy * ScreenScaleRefractReflectIW + ScreenCenterRefractReflect;\n"
1117 "       vec4 ScreenTexCoord = SafeScreenTexCoord + vec2(normalize(myhalf3(texture2D(Texture_Normal, TexCoord)) - myhalf3(0.5))).xyxy * DistortScaleRefractReflect;\n"
1118 "       // FIXME temporary hack to detect the case that the reflection\n"
1119 "       // gets blackened at edges due to leaving the area that contains actual\n"
1120 "       // content.\n"
1121 "       // Remove this 'ack once we have a better way to stop this thing from\n"
1122 "       // 'appening.\n"
1123 "       float f = min(1.0, length(texture2D(Texture_Refraction, ScreenTexCoord.xy + vec2(0.01, 0.01)).rgb) / 0.05);\n"
1124 "       f      *= min(1.0, length(texture2D(Texture_Refraction, ScreenTexCoord.xy + vec2(0.01, -0.01)).rgb) / 0.05);\n"
1125 "       f      *= min(1.0, length(texture2D(Texture_Refraction, ScreenTexCoord.xy + vec2(-0.01, 0.01)).rgb) / 0.05);\n"
1126 "       f      *= min(1.0, length(texture2D(Texture_Refraction, ScreenTexCoord.xy + vec2(-0.01, -0.01)).rgb) / 0.05);\n"
1127 "       ScreenTexCoord.xy = mix(SafeScreenTexCoord.xy, ScreenTexCoord.xy, f);\n"
1128 "       f       = min(1.0, length(texture2D(Texture_Reflection, ScreenTexCoord.zw + vec2(0.01, 0.01)).rgb) / 0.05);\n"
1129 "       f      *= min(1.0, length(texture2D(Texture_Reflection, ScreenTexCoord.zw + vec2(0.01, -0.01)).rgb) / 0.05);\n"
1130 "       f      *= min(1.0, length(texture2D(Texture_Reflection, ScreenTexCoord.zw + vec2(-0.01, 0.01)).rgb) / 0.05);\n"
1131 "       f      *= min(1.0, length(texture2D(Texture_Reflection, ScreenTexCoord.zw + vec2(-0.01, -0.01)).rgb) / 0.05);\n"
1132 "       ScreenTexCoord.zw = mix(SafeScreenTexCoord.zw, ScreenTexCoord.zw, f);\n"
1133 "       float Fresnel = pow(min(1.0, 1.0 - float(normalize(EyeVector).z)), 2.0) * ReflectFactor + ReflectOffset;\n"
1134 "       gl_FragColor = mix(texture2D(Texture_Refraction, ScreenTexCoord.xy) * RefractColor, texture2D(Texture_Reflection, ScreenTexCoord.zw) * ReflectColor, Fresnel);\n"
1135 "}\n"
1136 "\n"
1137 "#else // !MODE_WATER\n"
1138 "#ifdef MODE_REFRACTION\n"
1139 "\n"
1140 "// refraction pass\n"
1141 "void main(void)\n"
1142 "{\n"
1143 "#ifdef USEOFFSETMAPPING\n"
1144 "       // apply offsetmapping\n"
1145 "       vec2 TexCoordOffset = OffsetMapping(TexCoord);\n"
1146 "#define TexCoord TexCoordOffset\n"
1147 "#endif\n"
1148 "\n"
1149 "       vec2 ScreenScaleRefractReflectIW = ScreenScaleRefractReflect.xy * (1.0 / ModelViewProjectionPosition.w);\n"
1150 "       //vec2 ScreenTexCoord = (ModelViewProjectionPosition.xy + normalize(myhalf3(texture2D(Texture_Normal, TexCoord)) - myhalf3(0.5)).xy * DistortScaleRefractReflect.xy * 100) * ScreenScaleRefractReflectIW + ScreenCenterRefractReflect.xy;\n"
1151 "       vec2 SafeScreenTexCoord = ModelViewProjectionPosition.xy * ScreenScaleRefractReflectIW + ScreenCenterRefractReflect.xy;\n"
1152 "       vec2 ScreenTexCoord = SafeScreenTexCoord + vec2(normalize(myhalf3(texture2D(Texture_Normal, TexCoord)) - myhalf3(0.5))).xy * DistortScaleRefractReflect.xy;\n"
1153 "       // FIXME temporary hack to detect the case that the reflection\n"
1154 "       // gets blackened at edges due to leaving the area that contains actual\n"
1155 "       // content.\n"
1156 "       // Remove this 'ack once we have a better way to stop this thing from\n"
1157 "       // 'appening.\n"
1158 "       float f = min(1.0, length(texture2D(Texture_Refraction, ScreenTexCoord + vec2(0.01, 0.01)).rgb) / 0.05);\n"
1159 "       f      *= min(1.0, length(texture2D(Texture_Refraction, ScreenTexCoord + vec2(0.01, -0.01)).rgb) / 0.05);\n"
1160 "       f      *= min(1.0, length(texture2D(Texture_Refraction, ScreenTexCoord + vec2(-0.01, 0.01)).rgb) / 0.05);\n"
1161 "       f      *= min(1.0, length(texture2D(Texture_Refraction, ScreenTexCoord + vec2(-0.01, -0.01)).rgb) / 0.05);\n"
1162 "       ScreenTexCoord = mix(SafeScreenTexCoord, ScreenTexCoord, f);\n"
1163 "       gl_FragColor = texture2D(Texture_Refraction, ScreenTexCoord) * RefractColor;\n"
1164 "}\n"
1165 "\n"
1166 "#else // !MODE_REFRACTION\n"
1167 "void main(void)\n"
1168 "{\n"
1169 "#ifdef USEOFFSETMAPPING\n"
1170 "       // apply offsetmapping\n"
1171 "       vec2 TexCoordOffset = OffsetMapping(TexCoord);\n"
1172 "#define TexCoord TexCoordOffset\n"
1173 "#endif\n"
1174 "\n"
1175 "       // combine the diffuse textures (base, pants, shirt)\n"
1176 "       myhalf4 color = myhalf4(texture2D(Texture_Color, TexCoord));\n"
1177 "#ifdef USECOLORMAPPING\n"
1178 "       color.rgb += myhalf3(texture2D(Texture_Pants, TexCoord)) * Color_Pants + myhalf3(texture2D(Texture_Shirt, TexCoord)) * Color_Shirt;\n"
1179 "#endif\n"
1180 "#ifdef USEVERTEXTEXTUREBLEND\n"
1181 "       myhalf terrainblend = clamp(myhalf(gl_Color.a) * color.a * 2.0 - 0.5, myhalf(0.0), myhalf(1.0));\n"
1182 "       //myhalf terrainblend = min(myhalf(gl_Color.a) * color.a * 2.0, myhalf(1.0));\n"
1183 "       //myhalf terrainblend = myhalf(gl_Color.a) * color.a > 0.5;\n"
1184 "       color.rgb = mix(myhalf3(texture2D(Texture_SecondaryColor, TexCoord2)), color.rgb, terrainblend);\n"
1185 "       color.a = 1.0;\n"
1186 "       //color = mix(myhalf4(1, 0, 0, 1), color, terrainblend);\n"
1187 "#endif\n"
1188 "\n"
1189 "#ifdef USEDIFFUSE\n"
1190 "       // get the surface normal and the gloss color\n"
1191 "# ifdef USEVERTEXTEXTUREBLEND\n"
1192 "       myhalf3 surfacenormal = normalize(mix(myhalf3(texture2D(Texture_SecondaryNormal, TexCoord2)), myhalf3(texture2D(Texture_Normal, TexCoord)), terrainblend) - myhalf3(0.5, 0.5, 0.5));\n"
1193 "#  ifdef USESPECULAR\n"
1194 "       myhalf3 glosscolor = mix(myhalf3(texture2D(Texture_SecondaryGloss, TexCoord2)), myhalf3(texture2D(Texture_Gloss, TexCoord)), terrainblend);\n"
1195 "#  endif\n"
1196 "# else\n"
1197 "       myhalf3 surfacenormal = normalize(myhalf3(texture2D(Texture_Normal, TexCoord)) - myhalf3(0.5, 0.5, 0.5));\n"
1198 "#  ifdef USESPECULAR\n"
1199 "       myhalf3 glosscolor = myhalf3(texture2D(Texture_Gloss, TexCoord));\n"
1200 "#  endif\n"
1201 "# endif\n"
1202 "#endif\n"
1203 "\n"
1204 "\n"
1205 "\n"
1206 "#ifdef MODE_LIGHTSOURCE\n"
1207 "       // light source\n"
1208 "\n"
1209 "       // calculate surface normal, light normal, and specular normal\n"
1210 "       // compute color intensity for the two textures (colormap and glossmap)\n"
1211 "       // scale by light color and attenuation as efficiently as possible\n"
1212 "       // (do as much scalar math as possible rather than vector math)\n"
1213 "# ifdef USEDIFFUSE\n"
1214 "       // get the light normal\n"
1215 "       myhalf3 diffusenormal = myhalf3(normalize(LightVector));\n"
1216 "# endif\n"
1217 "# ifdef USESPECULAR\n"
1218 "#  ifndef USEEXACTSPECULARMATH\n"
1219 "       myhalf3 specularnormal = normalize(diffusenormal + myhalf3(normalize(EyeVector)));\n"
1220 "\n"
1221 "#  endif\n"
1222 "       // calculate directional shading\n"
1223 "#  ifdef USEEXACTSPECULARMATH\n"
1224 "       color.rgb = myhalf(texture2D(Texture_Attenuation, vec2(length(CubeVector), 0.0))) * (color.rgb * (AmbientScale + DiffuseScale * myhalf(max(float(dot(surfacenormal, diffusenormal)), 0.0))) + (SpecularScale * pow(myhalf(max(float(dot(reflect(diffusenormal, surfacenormal), normalize(EyeVector)))*-1.0, 0.0)), SpecularPower)) * glosscolor);\n"
1225 "#  else\n"
1226 "       color.rgb = myhalf(texture2D(Texture_Attenuation, vec2(length(CubeVector), 0.0))) * (color.rgb * (AmbientScale + DiffuseScale * myhalf(max(float(dot(surfacenormal, diffusenormal)), 0.0))) + (SpecularScale * pow(myhalf(max(float(dot(surfacenormal, specularnormal)), 0.0)), SpecularPower)) * glosscolor);\n"
1227 "#  endif\n"
1228 "# else\n"
1229 "#  ifdef USEDIFFUSE\n"
1230 "       // calculate directional shading\n"
1231 "       color.rgb = color.rgb * (myhalf(texture2D(Texture_Attenuation, vec2(length(CubeVector), 0.0))) * (AmbientScale + DiffuseScale * myhalf(max(float(dot(surfacenormal, diffusenormal)), 0.0))));\n"
1232 "#  else\n"
1233 "       // calculate directionless shading\n"
1234 "       color.rgb = color.rgb * myhalf(texture2D(Texture_Attenuation, vec2(length(CubeVector), 0.0)));\n"
1235 "#  endif\n"
1236 "# endif\n"
1237 "\n"
1238 "#if defined(USESHADOWMAPRECT) || defined(USESHADOWMAPCUBE) || defined(USESHADOWMAP2D)\n"
1239 "#if !showshadowmap\n"
1240 "    color.rgb *= ShadowMapCompare(CubeVector);\n"
1241 "#endif\n"
1242 "#endif\n"
1243 "\n"
1244 "# ifdef USECUBEFILTER\n"
1245 "       // apply light cubemap filter\n"
1246 "       //color.rgb *= normalize(CubeVector) * 0.5 + 0.5;//vec3(textureCube(Texture_Cube, CubeVector));\n"
1247 "       color.rgb *= myhalf3(textureCube(Texture_Cube, CubeVector));\n"
1248 "# endif\n"
1249 "#endif // MODE_LIGHTSOURCE\n"
1250 "\n"
1251 "\n"
1252 "\n"
1253 "\n"
1254 "#ifdef MODE_LIGHTDIRECTION\n"
1255 "       // directional model lighting\n"
1256 "# ifdef USEDIFFUSE\n"
1257 "       // get the light normal\n"
1258 "       myhalf3 diffusenormal = myhalf3(normalize(LightVector));\n"
1259 "# endif\n"
1260 "# ifdef USESPECULAR\n"
1261 "       // calculate directional shading\n"
1262 "       color.rgb *= AmbientColor + DiffuseColor * myhalf(max(float(dot(surfacenormal, diffusenormal)), 0.0));\n"
1263 "#  ifdef USEEXACTSPECULARMATH\n"
1264 "       color.rgb += myhalf3(texture2D(Texture_Gloss, TexCoord)) * SpecularColor * pow(myhalf(max(float(dot(reflect(diffusenormal, surfacenormal), normalize(EyeVector)))*-1.0, 0.0)), SpecularPower);\n"
1265 "#  else\n"
1266 "       myhalf3 specularnormal = normalize(diffusenormal + myhalf3(normalize(EyeVector)));\n"
1267 "       color.rgb += myhalf3(texture2D(Texture_Gloss, TexCoord)) * SpecularColor * pow(myhalf(max(float(dot(surfacenormal, specularnormal)), 0.0)), SpecularPower);\n"
1268 "#  endif\n"
1269 "# else\n"
1270 "#  ifdef USEDIFFUSE\n"
1271 "\n"
1272 "       // calculate directional shading\n"
1273 "       color.rgb *= AmbientColor + DiffuseColor * myhalf(max(float(dot(surfacenormal, diffusenormal)), 0.0));\n"
1274 "#  else\n"
1275 "       color.rgb *= AmbientColor;\n"
1276 "#  endif\n"
1277 "# endif\n"
1278 "#endif // MODE_LIGHTDIRECTION\n"
1279 "\n"
1280 "\n"
1281 "\n"
1282 "\n"
1283 "#ifdef MODE_LIGHTDIRECTIONMAP_MODELSPACE\n"
1284 "       // deluxemap lightmapping using light vectors in modelspace (evil q3map2)\n"
1285 "\n"
1286 "       // get the light normal\n"
1287 "       myhalf3 diffusenormal_modelspace = myhalf3(texture2D(Texture_Deluxemap, TexCoordLightmap)) * 2.0 + myhalf3(-1.0, -1.0, -1.0);\n"
1288 "       myhalf3 diffusenormal;\n"
1289 "       diffusenormal.x = dot(diffusenormal_modelspace, myhalf3(VectorS));\n"
1290 "       diffusenormal.y = dot(diffusenormal_modelspace, myhalf3(VectorT));\n"
1291 "       diffusenormal.z = dot(diffusenormal_modelspace, myhalf3(VectorR));\n"
1292 "       // calculate directional shading (and undoing the existing angle attenuation on the lightmap by the division)\n"
1293 "       // note that q3map2 is too stupid to calculate proper surface normals when q3map_nonplanar\n"
1294 "       // is used (the lightmap and deluxemap coords correspond to virtually random coordinates\n"
1295 "       // on that luxel, and NOT to its center, because recursive triangle subdivision is used\n"
1296 "       // to map the luxels to coordinates on the draw surfaces), which also causes\n"
1297 "       // deluxemaps to be wrong because light contributions from the wrong side of the surface\n"
1298 "       // are added up. To prevent divisions by zero or strong exaggerations, a max()\n"
1299 "       // nudge is done here at expense of some additional fps. This is ONLY needed for\n"
1300 "       // deluxemaps, tangentspace deluxemap avoid this problem by design.\n"
1301 "       myhalf3 tempcolor = color.rgb * (DiffuseScale * myhalf(max(float(dot(surfacenormal, diffusenormal) / max(0.25, diffusenormal.z)), 0.0)));\n"
1302 "               // 0.25 supports up to 75.5 degrees normal/deluxe angle\n"
1303 "# ifdef USESPECULAR\n"
1304 "#  ifdef USEEXACTSPECULARMATH\n"
1305 "       tempcolor += myhalf3(texture2D(Texture_Gloss, TexCoord)) * SpecularScale * pow(myhalf(max(float(dot(reflect(normalize(diffusenormal), surfacenormal), normalize(EyeVector)))*-1.0, 0.0)), SpecularPower);\n"
1306 "#  else\n"
1307 "       myhalf3 specularnormal = myhalf3(normalize(diffusenormal + myhalf3(normalize(EyeVector))));\n"
1308 "       tempcolor += myhalf3(texture2D(Texture_Gloss, TexCoord)) * SpecularScale * pow(myhalf(max(float(dot(surfacenormal, specularnormal)), 0.0)), SpecularPower);\n"
1309 "#  endif\n"
1310 "# endif\n"
1311 "\n"
1312 "       // apply lightmap color\n"
1313 "       color.rgb = color.rgb * AmbientScale + tempcolor * myhalf3(texture2D(Texture_Lightmap, TexCoordLightmap));\n"
1314 "#endif // MODE_LIGHTDIRECTIONMAP_MODELSPACE\n"
1315 "\n"
1316 "\n"
1317 "\n"
1318 "\n"
1319 "#ifdef MODE_LIGHTDIRECTIONMAP_TANGENTSPACE\n"
1320 "       // deluxemap lightmapping using light vectors in tangentspace (hmap2 -light)\n"
1321 "\n"
1322 "       // get the light normal\n"
1323 "       myhalf3 diffusenormal = myhalf3(texture2D(Texture_Deluxemap, TexCoordLightmap)) * 2.0 + myhalf3(-1.0, -1.0, -1.0);\n"
1324 "       // calculate directional shading (and undoing the existing angle attenuation on the lightmap by the division)\n"
1325 "       myhalf3 tempcolor = color.rgb * (DiffuseScale * myhalf(max(float(dot(surfacenormal, diffusenormal) / diffusenormal.z), 0.0)));\n"
1326 "# ifdef USESPECULAR\n"
1327 "#  ifdef USEEXACTSPECULARMATH\n"
1328 "       tempcolor += myhalf3(texture2D(Texture_Gloss, TexCoord)) * SpecularScale * pow(myhalf(max(float(dot(reflect(diffusenormal, surfacenormal), normalize(EyeVector)))*-1.0, 0.0)), SpecularPower);\n"
1329 "#  else\n"
1330 "       myhalf3 specularnormal = myhalf3(normalize(diffusenormal + myhalf3(normalize(EyeVector))));\n"
1331 "       tempcolor += myhalf3(texture2D(Texture_Gloss, TexCoord)) * SpecularScale * pow(myhalf(max(float(dot(surfacenormal, specularnormal)), 0.0)), SpecularPower);\n"
1332 "#  endif\n"
1333 "# endif\n"
1334 "\n"
1335 "       // apply lightmap color\n"
1336 "       color.rgb = color.rgb * AmbientScale + tempcolor * myhalf3(texture2D(Texture_Lightmap, TexCoordLightmap));\n"
1337 "#endif // MODE_LIGHTDIRECTIONMAP_TANGENTSPACE\n"
1338 "\n"
1339 "\n"
1340 "\n"
1341 "\n"
1342 "#ifdef MODE_LIGHTMAP\n"
1343 "       // apply lightmap color\n"
1344 "       color.rgb = color.rgb * myhalf3(texture2D(Texture_Lightmap, TexCoordLightmap)) * DiffuseScale + color.rgb * AmbientScale;\n"
1345 "#endif // MODE_LIGHTMAP\n"
1346 "\n"
1347 "\n"
1348 "\n"
1349 "\n"
1350 "#ifdef MODE_VERTEXCOLOR\n"
1351 "       // apply lightmap color\n"
1352 "       color.rgb = color.rgb * myhalf3(gl_Color.rgb) * DiffuseScale + color.rgb * AmbientScale;\n"
1353 "#endif // MODE_VERTEXCOLOR\n"
1354 "\n"
1355 "\n"
1356 "\n"
1357 "\n"
1358 "#ifdef MODE_FLATCOLOR\n"
1359 "#endif // MODE_FLATCOLOR\n"
1360 "\n"
1361 "\n"
1362 "\n"
1363 "\n"
1364 "\n"
1365 "\n"
1366 "\n"
1367 "       color *= TintColor;\n"
1368 "\n"
1369 "#ifdef USEGLOW\n"
1370 "#ifdef USEVERTEXTEXTUREBLEND\n"
1371 "       color.rgb += mix(myhalf3(texture2D(Texture_SecondaryGlow, TexCoord2)), myhalf3(texture2D(Texture_Glow, TexCoord)), terrainblend);\n"
1372 "#else\n"
1373 "       color.rgb += myhalf3(texture2D(Texture_Glow, TexCoord)) * GlowColor;\n"
1374 "#endif\n"
1375 "#endif\n"
1376 "\n"
1377 "       color.rgb *= SceneBrightness;\n"
1378 "\n"
1379 "       // apply fog after Contrastboost/SceneBrightness because its color is already modified appropriately\n"
1380 "#ifdef USEFOG\n"
1381 "       color.rgb = mix(FogColor, color.rgb, myhalf(texture2D(Texture_FogMask, myhalf2(length(EyeVectorModelSpace)*FogRangeRecip, 0.0))));\n"
1382 "#endif\n"
1383 "\n"
1384 "       // reflection must come last because it already contains exactly the correct fog (the reflection render preserves camera distance from the plane, it only flips the side) and ContrastBoost/SceneBrightness\n"
1385 "#ifdef USEREFLECTION\n"
1386 "       vec4 ScreenScaleRefractReflectIW = ScreenScaleRefractReflect * (1.0 / ModelViewProjectionPosition.w);\n"
1387 "       //vec4 ScreenTexCoord = (ModelViewProjectionPosition.xyxy + normalize(myhalf3(texture2D(Texture_Normal, TexCoord)) - myhalf3(0.5)).xyxy * DistortScaleRefractReflect * 100) * ScreenScaleRefractReflectIW + ScreenCenterRefractReflect;\n"
1388 "       vec2 SafeScreenTexCoord = ModelViewProjectionPosition.xy * ScreenScaleRefractReflectIW.zw + ScreenCenterRefractReflect.zw;\n"
1389 "       vec2 ScreenTexCoord = SafeScreenTexCoord + vec3(normalize(myhalf3(texture2D(Texture_Normal, TexCoord)) - myhalf3(0.5))).xy * DistortScaleRefractReflect.zw;\n"
1390 "       // FIXME temporary hack to detect the case that the reflection\n"
1391 "       // gets blackened at edges due to leaving the area that contains actual\n"
1392 "       // content.\n"
1393 "       // Remove this 'ack once we have a better way to stop this thing from\n"
1394 "       // 'appening.\n"
1395 "       float f = min(1.0, length(texture2D(Texture_Reflection, ScreenTexCoord + vec2(0.01, 0.01)).rgb) / 0.05);\n"
1396 "       f      *= min(1.0, length(texture2D(Texture_Reflection, ScreenTexCoord + vec2(0.01, -0.01)).rgb) / 0.05);\n"
1397 "       f      *= min(1.0, length(texture2D(Texture_Reflection, ScreenTexCoord + vec2(-0.01, 0.01)).rgb) / 0.05);\n"
1398 "       f      *= min(1.0, length(texture2D(Texture_Reflection, ScreenTexCoord + vec2(-0.01, -0.01)).rgb) / 0.05);\n"
1399 "       ScreenTexCoord = mix(SafeScreenTexCoord, ScreenTexCoord, f);\n"
1400 "       color.rgb = mix(color.rgb, myhalf3(texture2D(Texture_Reflection, ScreenTexCoord)) * ReflectColor.rgb, ReflectColor.a);\n"
1401 "#endif\n"
1402 "\n"
1403 "       gl_FragColor = vec4(color);\n"
1404 "\n"
1405 "#if showshadowmap\n"
1406 "# ifdef USESHADOWMAPRECT\n"
1407 "#  ifdef USESHADOWSAMPLER\n"
1408 "       gl_FragColor = shadow2DRect(Texture_ShadowMapRect, GetShadowMapTC2D(CubeVector).xyz);\n"
1409 "#  else\n"
1410 "       gl_FragColor = texture2DRect(Texture_ShadowMapRect, GetShadowMapTC2D(CubeVector).xy);\n"
1411 "#  endif\n"
1412 "# endif\n"
1413 "# ifdef USESHADOWMAP2D\n"
1414 "#  ifdef USESHADOWSAMPLER\n"
1415 "    gl_FragColor = shadow2D(Texture_ShadowMap2D, GetShadowMapTC2D(CubeVector).xyz);\n"
1416 "#  else\n"
1417 "    gl_FragColor = texture2D(Texture_ShadowMap2D, GetShadowMapTC2D(CubeVector).xy);\n"
1418 "#  endif\n"
1419 "# endif\n"
1420 "\n"
1421 "# ifdef USESHADOWMAPCUBE\n"
1422 "#  ifdef USESHADOWSAMPLER\n"
1423 "    gl_FragColor = shadowCube(Texture_ShadowMapCube, GetShadowMapTCCube(CubeVector));\n"
1424 "#  else\n"
1425 "    gl_FragColor = textureCube(Texture_ShadowMapCube, GetShadowMapTCCube(CubeVector).xyz);\n"
1426 "#  endif\n"
1427 "# endif\n"
1428 "#endif\n"
1429 "}\n"
1430 "#endif // !MODE_REFRACTION\n"
1431 "#endif // !MODE_WATER\n"
1432 "\n"
1433 "#endif // FRAGMENT_SHADER\n"
1434 "\n"
1435 "#endif // !MODE_GENERIC\n"
1436 "#endif // !MODE_POSTPROCESS\n"
1437 "#endif // !MODE_SHOWDEPTH\n"
1438 "#endif // !MODE_DEPTH_OR_SHADOW\n"
1439 ;
1440
1441 typedef struct shaderpermutationinfo_s
1442 {
1443         const char *pretext;
1444         const char *name;
1445 }
1446 shaderpermutationinfo_t;
1447
1448 typedef struct shadermodeinfo_s
1449 {
1450         const char *vertexfilename;
1451         const char *geometryfilename;
1452         const char *fragmentfilename;
1453         const char *pretext;
1454         const char *name;
1455 }
1456 shadermodeinfo_t;
1457
1458 typedef enum shaderpermutation_e
1459 {
1460         SHADERPERMUTATION_DIFFUSE = 1<<0, ///< (lightsource) whether to use directional shading
1461         SHADERPERMUTATION_VERTEXTEXTUREBLEND = 1<<1, ///< indicates this is a two-layer material blend based on vertex alpha (q3bsp)
1462         SHADERPERMUTATION_VIEWTINT = 1<<1, ///< view tint (postprocessing only)
1463         SHADERPERMUTATION_COLORMAPPING = 1<<2, ///< indicates this is a colormapped skin
1464         SHADERPERMUTATION_SATURATION = 1<<2, ///< saturation (postprocessing only)
1465         SHADERPERMUTATION_FOG = 1<<3, ///< tint the color by fog color or black if using additive blend mode
1466         SHADERPERMUTATION_GAMMARAMPS = 1<<3, ///< gamma (postprocessing only)
1467         SHADERPERMUTATION_CUBEFILTER = 1<<4, ///< (lightsource) use cubemap light filter
1468         SHADERPERMUTATION_GLOW = 1<<5, ///< (lightmap) blend in an additive glow texture
1469         SHADERPERMUTATION_BLOOM = 1<<5, ///< bloom (postprocessing only)
1470         SHADERPERMUTATION_SPECULAR = 1<<6, ///< (lightsource or deluxemapping) render specular effects
1471         SHADERPERMUTATION_POSTPROCESSING = 1<<6, ///< user defined postprocessing (postprocessing only)
1472         SHADERPERMUTATION_EXACTSPECULARMATH = 1<<7, ///< (lightsource or deluxemapping) use exact reflection map for specular effects, as opposed to the usual OpenGL approximation
1473         SHADERPERMUTATION_REFLECTION = 1<<8, ///< normalmap-perturbed reflection of the scene infront of the surface, preformed as an overlay on the surface
1474         SHADERPERMUTATION_OFFSETMAPPING = 1<<9, ///< adjust texcoords to roughly simulate a displacement mapped surface
1475         SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING = 1<<10, ///< adjust texcoords to accurately simulate a displacement mapped surface (requires OFFSETMAPPING to also be set!)
1476         SHADERPERMUTATION_SHADOWMAPRECT = 1<<11, ///< (lightsource) use shadowmap rectangle texture as light filter
1477         SHADERPERMUTATION_SHADOWMAPCUBE = 1<<12, ///< (lightsource) use shadowmap cubemap texture as light filter
1478         SHADERPERMUTATION_SHADOWMAP2D = 1<<13, ///< (lightsource) use shadowmap rectangle texture as light filter
1479         SHADERPERMUTATION_SHADOWMAPPCF = 1<<14, ///< (lightsource) use percentage closer filtering on shadowmap test results
1480         SHADERPERMUTATION_SHADOWMAPPCF2 = 1<<15, ///< (lightsource) use higher quality percentage closer filtering on shadowmap test results
1481         SHADERPERMUTATION_SHADOWSAMPLER = 1<<16, ///< (lightsource) use hardware shadowmap test
1482         SHADERPERMUTATION_SHADOWMAPVSDCT = 1<<17, ///< (lightsource) use virtual shadow depth cube texture for shadowmap indexing
1483         SHADERPERMUTATION_LIMIT = 1<<18, ///< size of permutations array
1484         SHADERPERMUTATION_COUNT = 18 ///< size of shaderpermutationinfo array
1485 }
1486 shaderpermutation_t;
1487
1488 // NOTE: MUST MATCH ORDER OF SHADERPERMUTATION_* DEFINES!
1489 shaderpermutationinfo_t shaderpermutationinfo[SHADERPERMUTATION_COUNT] =
1490 {
1491         {"#define USEDIFFUSE\n", " diffuse"},
1492         {"#define USEVERTEXTEXTUREBLEND\n#define USEVIEWTINT\n", " vertextextureblend/tint"},
1493         {"#define USECOLORMAPPING\n#define USESATURATION\n", " colormapping/saturation"},
1494         {"#define USEFOG\n#define USEGAMMARAMPS\n", " fog/gammaramps"},
1495         {"#define USECUBEFILTER\n", " cubefilter"},
1496         {"#define USEGLOW\n#define USEBLOOM\n", " glow/bloom"},
1497         {"#define USESPECULAR\n#define USEPOSTPROCESSING", " specular/postprocessing"},
1498         {"#define USEEXACTSPECULARMATH\n", " exactspecularmath"},
1499         {"#define USEREFLECTION\n", " reflection"},
1500         {"#define USEOFFSETMAPPING\n", " offsetmapping"},
1501         {"#define USEOFFSETMAPPING_RELIEFMAPPING\n", " reliefmapping"},
1502         {"#define USESHADOWMAPRECT\n", " shadowmaprect"},
1503         {"#define USESHADOWMAPCUBE\n", " shadowmapcube"},
1504         {"#define USESHADOWMAP2D\n", " shadowmap2d"},
1505         {"#define USESHADOWMAPPCF 1\n", " shadowmappcf"},
1506         {"#define USESHADOWMAPPCF 2\n", " shadowmappcf2"},
1507         {"#define USESHADOWSAMPLER\n", " shadowsampler"},
1508         {"#define USESHADOWMAPVSDCT\n", " shadowmapvsdct"},
1509 };
1510
1511 /// this enum is multiplied by SHADERPERMUTATION_MODEBASE
1512 typedef enum shadermode_e
1513 {
1514         SHADERMODE_GENERIC, ///< (particles/HUD/etc) vertex color, optionally multiplied by one texture
1515         SHADERMODE_POSTPROCESS, ///< postprocessing shader (r_glsl_postprocess)
1516         SHADERMODE_DEPTH_OR_SHADOW, ///< (depthfirst/shadows) vertex shader only
1517         SHADERMODE_FLATCOLOR, ///< (lightmap) modulate texture by uniform color (q1bsp, q3bsp)
1518         SHADERMODE_VERTEXCOLOR, ///< (lightmap) modulate texture by vertex colors (q3bsp)
1519         SHADERMODE_LIGHTMAP, ///< (lightmap) modulate texture by lightmap texture (q1bsp, q3bsp)
1520         SHADERMODE_LIGHTDIRECTIONMAP_MODELSPACE, ///< (lightmap) use directional pixel shading from texture containing modelspace light directions (q3bsp deluxemap)
1521         SHADERMODE_LIGHTDIRECTIONMAP_TANGENTSPACE, ///< (lightmap) use directional pixel shading from texture containing tangentspace light directions (q1bsp deluxemap)
1522         SHADERMODE_LIGHTDIRECTION, ///< (lightmap) use directional pixel shading from fixed light direction (q3bsp)
1523         SHADERMODE_LIGHTSOURCE, ///< (lightsource) use directional pixel shading from light source (rtlight)
1524         SHADERMODE_REFRACTION, ///< refract background (the material is rendered normally after this pass)
1525         SHADERMODE_WATER, ///< refract background and reflection (the material is rendered normally after this pass)
1526         SHADERMODE_SHOWDEPTH, ///< (debugging) renders depth as color
1527         SHADERMODE_COUNT
1528 }
1529 shadermode_t;
1530
1531 // NOTE: MUST MATCH ORDER OF SHADERMODE_* ENUMS!
1532 shadermodeinfo_t shadermodeinfo[SHADERMODE_COUNT] =
1533 {
1534         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_GENERIC\n", " generic"},
1535         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_POSTPROCESS\n", " postprocess"},
1536         {"glsl/default.glsl", NULL, NULL               , "#define MODE_DEPTH_OR_SHADOW\n", " depth/shadow"},
1537         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_FLATCOLOR\n", " flatcolor"},
1538         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_VERTEXCOLOR\n", " vertexcolor"},
1539         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_LIGHTMAP\n", " lightmap"},
1540         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_LIGHTDIRECTIONMAP_MODELSPACE\n", " lightdirectionmap_modelspace"},
1541         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_LIGHTDIRECTIONMAP_TANGENTSPACE\n", " lightdirectionmap_tangentspace"},
1542         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_LIGHTDIRECTION\n", " lightdirection"},
1543         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_LIGHTSOURCE\n", " lightsource"},
1544         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_REFRACTION\n", " refraction"},
1545         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_WATER\n", " water"},
1546         {"glsl/default.glsl", NULL, "glsl/default.glsl", "#define MODE_SHOWDEPTH\n", " showdepth"},
1547 };
1548
1549 struct r_glsl_permutation_s;
1550 typedef struct r_glsl_permutation_s
1551 {
1552         /// hash lookup data
1553         struct r_glsl_permutation_s *hashnext;
1554         unsigned int mode;
1555         unsigned int permutation;
1556
1557         /// indicates if we have tried compiling this permutation already
1558         qboolean compiled;
1559         /// 0 if compilation failed
1560         int program;
1561         /// locations of detected uniforms in program object, or -1 if not found
1562         int loc_Texture_First;
1563         int loc_Texture_Second;
1564         int loc_Texture_GammaRamps;
1565         int loc_Texture_Normal;
1566         int loc_Texture_Color;
1567         int loc_Texture_Gloss;
1568         int loc_Texture_Glow;
1569         int loc_Texture_SecondaryNormal;
1570         int loc_Texture_SecondaryColor;
1571         int loc_Texture_SecondaryGloss;
1572         int loc_Texture_SecondaryGlow;
1573         int loc_Texture_Pants;
1574         int loc_Texture_Shirt;
1575         int loc_Texture_FogMask;
1576         int loc_Texture_Lightmap;
1577         int loc_Texture_Deluxemap;
1578         int loc_Texture_Attenuation;
1579         int loc_Texture_Cube;
1580         int loc_Texture_Refraction;
1581         int loc_Texture_Reflection;
1582         int loc_Texture_ShadowMapRect;
1583         int loc_Texture_ShadowMapCube;
1584         int loc_Texture_ShadowMap2D;
1585         int loc_Texture_CubeProjection;
1586         int loc_FogColor;
1587         int loc_LightPosition;
1588         int loc_EyePosition;
1589         int loc_Color_Pants;
1590         int loc_Color_Shirt;
1591         int loc_FogRangeRecip;
1592         int loc_AmbientScale;
1593         int loc_DiffuseScale;
1594         int loc_SpecularScale;
1595         int loc_SpecularPower;
1596         int loc_GlowColor;
1597         int loc_SceneBrightness; // or: Scenebrightness * ContrastBoost
1598         int loc_OffsetMapping_Scale;
1599         int loc_TintColor;
1600         int loc_AmbientColor;
1601         int loc_DiffuseColor;
1602         int loc_SpecularColor;
1603         int loc_LightDir;
1604         int loc_ContrastBoostCoeff; ///< 1 - 1/ContrastBoost
1605         int loc_GammaCoeff; ///< 1 / gamma
1606         int loc_DistortScaleRefractReflect;
1607         int loc_ScreenScaleRefractReflect;
1608         int loc_ScreenCenterRefractReflect;
1609         int loc_RefractColor;
1610         int loc_ReflectColor;
1611         int loc_ReflectFactor;
1612         int loc_ReflectOffset;
1613         int loc_UserVec1;
1614         int loc_UserVec2;
1615         int loc_UserVec3;
1616         int loc_UserVec4;
1617         int loc_ClientTime;
1618         int loc_PixelSize;
1619         int loc_Saturation;
1620         int loc_ShadowMap_TextureScale;
1621         int loc_ShadowMap_Parameters;
1622 }
1623 r_glsl_permutation_t;
1624
1625 #define SHADERPERMUTATION_HASHSIZE 4096
1626
1627 /// information about each possible shader permutation
1628 r_glsl_permutation_t *r_glsl_permutationhash[SHADERMODE_COUNT][SHADERPERMUTATION_HASHSIZE];
1629 /// currently selected permutation
1630 r_glsl_permutation_t *r_glsl_permutation;
1631 /// storage for permutations linked in the hash table
1632 memexpandablearray_t r_glsl_permutationarray;
1633
1634 static r_glsl_permutation_t *R_GLSL_FindPermutation(unsigned int mode, unsigned int permutation)
1635 {
1636         //unsigned int hashdepth = 0;
1637         unsigned int hashindex = (permutation * 0x1021) & (SHADERPERMUTATION_HASHSIZE - 1);
1638         r_glsl_permutation_t *p;
1639         for (p = r_glsl_permutationhash[mode][hashindex];p;p = p->hashnext)
1640         {
1641                 if (p->mode == mode && p->permutation == permutation)
1642                 {
1643                         //if (hashdepth > 10)
1644                         //      Con_Printf("R_GLSL_FindPermutation: Warning: %i:%i has hashdepth %i\n", mode, permutation, hashdepth);
1645                         return p;
1646                 }
1647                 //hashdepth++;
1648         }
1649         p = (r_glsl_permutation_t*)Mem_ExpandableArray_AllocRecord(&r_glsl_permutationarray);
1650         p->mode = mode;
1651         p->permutation = permutation;
1652         p->hashnext = r_glsl_permutationhash[mode][hashindex];
1653         r_glsl_permutationhash[mode][hashindex] = p;
1654         //if (hashdepth > 10)
1655         //      Con_Printf("R_GLSL_FindPermutation: Warning: %i:%i has hashdepth %i\n", mode, permutation, hashdepth);
1656         return p;
1657 }
1658
1659 static char *R_GLSL_GetText(const char *filename, qboolean printfromdisknotice)
1660 {
1661         char *shaderstring;
1662         if (!filename || !filename[0])
1663                 return NULL;
1664         shaderstring = (char *)FS_LoadFile(filename, r_main_mempool, false, NULL);
1665         if (shaderstring)
1666         {
1667                 if (printfromdisknotice)
1668                         Con_DPrint("from disk... ");
1669                 return shaderstring;
1670         }
1671         else if (!strcmp(filename, "glsl/default.glsl"))
1672         {
1673                 shaderstring = (char *) Mem_Alloc(r_main_mempool, strlen(builtinshaderstring) + 1);
1674                 memcpy(shaderstring, builtinshaderstring, strlen(builtinshaderstring) + 1);
1675         }
1676         return shaderstring;
1677 }
1678
1679 static void R_GLSL_CompilePermutation(r_glsl_permutation_t *p, unsigned int mode, unsigned int permutation)
1680 {
1681         int i;
1682         shadermodeinfo_t *modeinfo = shadermodeinfo + mode;
1683         int vertstrings_count = 0;
1684         int geomstrings_count = 0;
1685         int fragstrings_count = 0;
1686         char *vertexstring, *geometrystring, *fragmentstring;
1687         const char *vertstrings_list[32+3];
1688         const char *geomstrings_list[32+3];
1689         const char *fragstrings_list[32+3];
1690         char permutationname[256];
1691
1692         if (p->compiled)
1693                 return;
1694         p->compiled = true;
1695         p->program = 0;
1696
1697         permutationname[0] = 0;
1698         vertexstring   = R_GLSL_GetText(modeinfo->vertexfilename, true);
1699         geometrystring = R_GLSL_GetText(modeinfo->geometryfilename, false);
1700         fragmentstring = R_GLSL_GetText(modeinfo->fragmentfilename, false);
1701
1702         strlcat(permutationname, shadermodeinfo[mode].vertexfilename, sizeof(permutationname));
1703
1704         // the first pretext is which type of shader to compile as
1705         // (later these will all be bound together as a program object)
1706         vertstrings_list[vertstrings_count++] = "#define VERTEX_SHADER\n";
1707         geomstrings_list[geomstrings_count++] = "#define GEOMETRY_SHADER\n";
1708         fragstrings_list[fragstrings_count++] = "#define FRAGMENT_SHADER\n";
1709
1710         // the second pretext is the mode (for example a light source)
1711         vertstrings_list[vertstrings_count++] = shadermodeinfo[mode].pretext;
1712         geomstrings_list[geomstrings_count++] = shadermodeinfo[mode].pretext;
1713         fragstrings_list[fragstrings_count++] = shadermodeinfo[mode].pretext;
1714         strlcat(permutationname, modeinfo->name, sizeof(permutationname));
1715
1716         // now add all the permutation pretexts
1717         for (i = 0;i < SHADERPERMUTATION_COUNT;i++)
1718         {
1719                 if (permutation & (1<<i))
1720                 {
1721                         vertstrings_list[vertstrings_count++] = shaderpermutationinfo[i].pretext;
1722                         geomstrings_list[geomstrings_count++] = shaderpermutationinfo[i].pretext;
1723                         fragstrings_list[fragstrings_count++] = shaderpermutationinfo[i].pretext;
1724                         strlcat(permutationname, shaderpermutationinfo[i].name, sizeof(permutationname));
1725                 }
1726                 else
1727                 {
1728                         // keep line numbers correct
1729                         vertstrings_list[vertstrings_count++] = "\n";
1730                         geomstrings_list[geomstrings_count++] = "\n";
1731                         fragstrings_list[fragstrings_count++] = "\n";
1732                 }
1733         }
1734
1735         // now append the shader text itself
1736         vertstrings_list[vertstrings_count++] = vertexstring;
1737         geomstrings_list[geomstrings_count++] = geometrystring;
1738         fragstrings_list[fragstrings_count++] = fragmentstring;
1739
1740         // if any sources were NULL, clear the respective list
1741         if (!vertexstring)
1742                 vertstrings_count = 0;
1743         if (!geometrystring)
1744                 geomstrings_count = 0;
1745         if (!fragmentstring)
1746                 fragstrings_count = 0;
1747
1748         // compile the shader program
1749         if (vertstrings_count + geomstrings_count + fragstrings_count)
1750                 p->program = GL_Backend_CompileProgram(vertstrings_count, vertstrings_list, geomstrings_count, geomstrings_list, fragstrings_count, fragstrings_list);
1751         if (p->program)
1752         {
1753                 CHECKGLERROR
1754                 qglUseProgramObjectARB(p->program);CHECKGLERROR
1755                 // look up all the uniform variable names we care about, so we don't
1756                 // have to look them up every time we set them
1757                 p->loc_Texture_First              = qglGetUniformLocationARB(p->program, "Texture_First");
1758                 p->loc_Texture_Second             = qglGetUniformLocationARB(p->program, "Texture_Second");
1759                 p->loc_Texture_GammaRamps         = qglGetUniformLocationARB(p->program, "Texture_GammaRamps");
1760                 p->loc_Texture_Normal             = qglGetUniformLocationARB(p->program, "Texture_Normal");
1761                 p->loc_Texture_Color              = qglGetUniformLocationARB(p->program, "Texture_Color");
1762                 p->loc_Texture_Gloss              = qglGetUniformLocationARB(p->program, "Texture_Gloss");
1763                 p->loc_Texture_Glow               = qglGetUniformLocationARB(p->program, "Texture_Glow");
1764                 p->loc_Texture_SecondaryNormal    = qglGetUniformLocationARB(p->program, "Texture_SecondaryNormal");
1765                 p->loc_Texture_SecondaryColor     = qglGetUniformLocationARB(p->program, "Texture_SecondaryColor");
1766                 p->loc_Texture_SecondaryGloss     = qglGetUniformLocationARB(p->program, "Texture_SecondaryGloss");
1767                 p->loc_Texture_SecondaryGlow      = qglGetUniformLocationARB(p->program, "Texture_SecondaryGlow");
1768                 p->loc_Texture_FogMask            = qglGetUniformLocationARB(p->program, "Texture_FogMask");
1769                 p->loc_Texture_Pants              = qglGetUniformLocationARB(p->program, "Texture_Pants");
1770                 p->loc_Texture_Shirt              = qglGetUniformLocationARB(p->program, "Texture_Shirt");
1771                 p->loc_Texture_Lightmap           = qglGetUniformLocationARB(p->program, "Texture_Lightmap");
1772                 p->loc_Texture_Deluxemap          = qglGetUniformLocationARB(p->program, "Texture_Deluxemap");
1773                 p->loc_Texture_Refraction         = qglGetUniformLocationARB(p->program, "Texture_Refraction");
1774                 p->loc_Texture_Reflection         = qglGetUniformLocationARB(p->program, "Texture_Reflection");
1775                 p->loc_Texture_Attenuation        = qglGetUniformLocationARB(p->program, "Texture_Attenuation");
1776                 p->loc_Texture_Cube               = qglGetUniformLocationARB(p->program, "Texture_Cube");
1777                 p->loc_Texture_ShadowMapRect      = qglGetUniformLocationARB(p->program, "Texture_ShadowMapRect");
1778                 p->loc_Texture_ShadowMapCube      = qglGetUniformLocationARB(p->program, "Texture_ShadowMapCube");
1779                 p->loc_Texture_ShadowMap2D        = qglGetUniformLocationARB(p->program, "Texture_ShadowMap2D");
1780                 p->loc_Texture_CubeProjection     = qglGetUniformLocationARB(p->program, "Texture_CubeProjection");
1781                 p->loc_FogColor                   = qglGetUniformLocationARB(p->program, "FogColor");
1782                 p->loc_LightPosition              = qglGetUniformLocationARB(p->program, "LightPosition");
1783                 p->loc_EyePosition                = qglGetUniformLocationARB(p->program, "EyePosition");
1784                 p->loc_Color_Pants                = qglGetUniformLocationARB(p->program, "Color_Pants");
1785                 p->loc_Color_Shirt                = qglGetUniformLocationARB(p->program, "Color_Shirt");
1786                 p->loc_FogRangeRecip              = qglGetUniformLocationARB(p->program, "FogRangeRecip");
1787                 p->loc_AmbientScale               = qglGetUniformLocationARB(p->program, "AmbientScale");
1788                 p->loc_DiffuseScale               = qglGetUniformLocationARB(p->program, "DiffuseScale");
1789                 p->loc_SpecularPower              = qglGetUniformLocationARB(p->program, "SpecularPower");
1790                 p->loc_SpecularScale              = qglGetUniformLocationARB(p->program, "SpecularScale");
1791                 p->loc_GlowColor                  = qglGetUniformLocationARB(p->program, "GlowColor");
1792                 p->loc_SceneBrightness            = qglGetUniformLocationARB(p->program, "SceneBrightness");
1793                 p->loc_OffsetMapping_Scale        = qglGetUniformLocationARB(p->program, "OffsetMapping_Scale");
1794                 p->loc_TintColor                  = qglGetUniformLocationARB(p->program, "TintColor");
1795                 p->loc_AmbientColor               = qglGetUniformLocationARB(p->program, "AmbientColor");
1796                 p->loc_DiffuseColor               = qglGetUniformLocationARB(p->program, "DiffuseColor");
1797                 p->loc_SpecularColor              = qglGetUniformLocationARB(p->program, "SpecularColor");
1798                 p->loc_LightDir                   = qglGetUniformLocationARB(p->program, "LightDir");
1799                 p->loc_ContrastBoostCoeff         = qglGetUniformLocationARB(p->program, "ContrastBoostCoeff");
1800                 p->loc_DistortScaleRefractReflect = qglGetUniformLocationARB(p->program, "DistortScaleRefractReflect");
1801                 p->loc_ScreenScaleRefractReflect  = qglGetUniformLocationARB(p->program, "ScreenScaleRefractReflect");
1802                 p->loc_ScreenCenterRefractReflect = qglGetUniformLocationARB(p->program, "ScreenCenterRefractReflect");
1803                 p->loc_RefractColor               = qglGetUniformLocationARB(p->program, "RefractColor");
1804                 p->loc_ReflectColor               = qglGetUniformLocationARB(p->program, "ReflectColor");
1805                 p->loc_ReflectFactor              = qglGetUniformLocationARB(p->program, "ReflectFactor");
1806                 p->loc_ReflectOffset              = qglGetUniformLocationARB(p->program, "ReflectOffset");
1807                 p->loc_GammaCoeff                 = qglGetUniformLocationARB(p->program, "GammaCoeff");
1808                 p->loc_UserVec1                   = qglGetUniformLocationARB(p->program, "UserVec1");
1809                 p->loc_UserVec2                   = qglGetUniformLocationARB(p->program, "UserVec2");
1810                 p->loc_UserVec3                   = qglGetUniformLocationARB(p->program, "UserVec3");
1811                 p->loc_UserVec4                   = qglGetUniformLocationARB(p->program, "UserVec4");
1812                 p->loc_ClientTime                 = qglGetUniformLocationARB(p->program, "ClientTime");
1813                 p->loc_PixelSize                  = qglGetUniformLocationARB(p->program, "PixelSize");
1814                 p->loc_Saturation                 = qglGetUniformLocationARB(p->program, "Saturation");
1815                 p->loc_ShadowMap_TextureScale     = qglGetUniformLocationARB(p->program, "ShadowMap_TextureScale");
1816                 p->loc_ShadowMap_Parameters       = qglGetUniformLocationARB(p->program, "ShadowMap_Parameters");
1817                 // initialize the samplers to refer to the texture units we use
1818                 if (p->loc_Texture_First           >= 0) qglUniform1iARB(p->loc_Texture_First          , GL20TU_FIRST);
1819                 if (p->loc_Texture_Second          >= 0) qglUniform1iARB(p->loc_Texture_Second         , GL20TU_SECOND);
1820                 if (p->loc_Texture_GammaRamps      >= 0) qglUniform1iARB(p->loc_Texture_GammaRamps     , GL20TU_GAMMARAMPS);
1821                 if (p->loc_Texture_Normal          >= 0) qglUniform1iARB(p->loc_Texture_Normal         , GL20TU_NORMAL);
1822                 if (p->loc_Texture_Color           >= 0) qglUniform1iARB(p->loc_Texture_Color          , GL20TU_COLOR);
1823                 if (p->loc_Texture_Gloss           >= 0) qglUniform1iARB(p->loc_Texture_Gloss          , GL20TU_GLOSS);
1824                 if (p->loc_Texture_Glow            >= 0) qglUniform1iARB(p->loc_Texture_Glow           , GL20TU_GLOW);
1825                 if (p->loc_Texture_SecondaryNormal >= 0) qglUniform1iARB(p->loc_Texture_SecondaryNormal, GL20TU_SECONDARY_NORMAL);
1826                 if (p->loc_Texture_SecondaryColor  >= 0) qglUniform1iARB(p->loc_Texture_SecondaryColor , GL20TU_SECONDARY_COLOR);
1827                 if (p->loc_Texture_SecondaryGloss  >= 0) qglUniform1iARB(p->loc_Texture_SecondaryGloss , GL20TU_SECONDARY_GLOSS);
1828                 if (p->loc_Texture_SecondaryGlow   >= 0) qglUniform1iARB(p->loc_Texture_SecondaryGlow  , GL20TU_SECONDARY_GLOW);
1829                 if (p->loc_Texture_Pants           >= 0) qglUniform1iARB(p->loc_Texture_Pants          , GL20TU_PANTS);
1830                 if (p->loc_Texture_Shirt           >= 0) qglUniform1iARB(p->loc_Texture_Shirt          , GL20TU_SHIRT);
1831                 if (p->loc_Texture_FogMask         >= 0) qglUniform1iARB(p->loc_Texture_FogMask        , GL20TU_FOGMASK);
1832                 if (p->loc_Texture_Lightmap        >= 0) qglUniform1iARB(p->loc_Texture_Lightmap       , GL20TU_LIGHTMAP);
1833                 if (p->loc_Texture_Deluxemap       >= 0) qglUniform1iARB(p->loc_Texture_Deluxemap      , GL20TU_DELUXEMAP);
1834                 if (p->loc_Texture_Attenuation     >= 0) qglUniform1iARB(p->loc_Texture_Attenuation    , GL20TU_ATTENUATION);
1835                 if (p->loc_Texture_Cube            >= 0) qglUniform1iARB(p->loc_Texture_Cube           , GL20TU_CUBE);
1836                 if (p->loc_Texture_Refraction      >= 0) qglUniform1iARB(p->loc_Texture_Refraction     , GL20TU_REFRACTION);
1837                 if (p->loc_Texture_Reflection      >= 0) qglUniform1iARB(p->loc_Texture_Reflection     , GL20TU_REFLECTION);
1838                 if (p->loc_Texture_ShadowMapRect   >= 0) qglUniform1iARB(p->loc_Texture_ShadowMapRect  , GL20TU_SHADOWMAPRECT);
1839                 if (p->loc_Texture_ShadowMapCube   >= 0) qglUniform1iARB(p->loc_Texture_ShadowMapCube  , GL20TU_SHADOWMAPCUBE);
1840                 if (p->loc_Texture_ShadowMap2D     >= 0) qglUniform1iARB(p->loc_Texture_ShadowMap2D    , GL20TU_SHADOWMAP2D);
1841                 if (p->loc_Texture_CubeProjection  >= 0) qglUniform1iARB(p->loc_Texture_CubeProjection , GL20TU_CUBEPROJECTION);
1842                 CHECKGLERROR
1843                 if (developer.integer)
1844                         Con_Printf("GLSL shader %s compiled.\n", permutationname);
1845         }
1846         else
1847                 Con_Printf("GLSL shader %s failed!  some features may not work properly.\n", permutationname);
1848
1849         // free the strings
1850         if (vertexstring)
1851                 Mem_Free(vertexstring);
1852         if (geometrystring)
1853                 Mem_Free(geometrystring);
1854         if (fragmentstring)
1855                 Mem_Free(fragmentstring);
1856 }
1857
1858 void R_GLSL_Restart_f(void)
1859 {
1860         unsigned int i, limit;
1861         r_glsl_permutation_t *p;
1862         limit = Mem_ExpandableArray_IndexRange(&r_glsl_permutationarray);
1863         for (i = 0;i < limit;i++)
1864         {
1865                 if ((p = (r_glsl_permutation_t*)Mem_ExpandableArray_RecordAtIndex(&r_glsl_permutationarray, i)))
1866                 {
1867                         GL_Backend_FreeProgram(p->program);
1868                         Mem_ExpandableArray_FreeRecord(&r_glsl_permutationarray, (void*)p);
1869                 }
1870         }
1871         memset(r_glsl_permutationhash, 0, sizeof(r_glsl_permutationhash));
1872 }
1873
1874 void R_GLSL_DumpShader_f(void)
1875 {
1876         int i;
1877
1878         qfile_t *file = FS_OpenRealFile("glsl/default.glsl", "w", false);
1879         if(!file)
1880         {
1881                 Con_Printf("failed to write to glsl/default.glsl\n");
1882                 return;
1883         }
1884
1885         FS_Print(file, "/* The engine may define the following macros:\n");
1886         FS_Print(file, "#define VERTEX_SHADER\n#define GEOMETRY_SHADER\n#define FRAGMENT_SHADER\n");
1887         for (i = 0;i < SHADERMODE_COUNT;i++)
1888                 FS_Print(file, shadermodeinfo[i].pretext);
1889         for (i = 0;i < SHADERPERMUTATION_COUNT;i++)
1890                 FS_Print(file, shaderpermutationinfo[i].pretext);
1891         FS_Print(file, "*/\n");
1892         FS_Print(file, builtinshaderstring);
1893         FS_Close(file);
1894
1895         Con_Printf("glsl/default.glsl written\n");
1896 }
1897
1898 void R_SetupShader_SetPermutation(unsigned int mode, unsigned int permutation)
1899 {
1900         r_glsl_permutation_t *perm = R_GLSL_FindPermutation(mode, permutation);
1901         if (r_glsl_permutation != perm)
1902         {
1903                 r_glsl_permutation = perm;
1904                 if (!r_glsl_permutation->program)
1905                 {
1906                         if (!r_glsl_permutation->compiled)
1907                                 R_GLSL_CompilePermutation(perm, mode, permutation);
1908                         if (!r_glsl_permutation->program)
1909                         {
1910                                 // remove features until we find a valid permutation
1911                                 int i;
1912                                 for (i = 0;i < SHADERPERMUTATION_COUNT;i++)
1913                                 {
1914                                         // reduce i more quickly whenever it would not remove any bits
1915                                         int j = 1<<(SHADERPERMUTATION_COUNT-1-i);
1916                                         if (!(permutation & j))
1917                                                 continue;
1918                                         permutation -= j;
1919                                         r_glsl_permutation = R_GLSL_FindPermutation(mode, permutation);
1920                                         if (!r_glsl_permutation->compiled)
1921                                                 R_GLSL_CompilePermutation(perm, mode, permutation);
1922                                         if (r_glsl_permutation->program)
1923                                                 break;
1924                                 }
1925                                 if (i >= SHADERPERMUTATION_COUNT)
1926                                 {
1927                                         Con_Printf("OpenGL 2.0 shaders disabled - unable to find a working shader permutation fallback on this driver (set r_glsl 1 if you want to try again)\n");
1928                                         Cvar_SetValueQuick(&r_glsl, 0);
1929                                         R_GLSL_Restart_f(); // unload shaders
1930                                         return; // no bit left to clear
1931                                 }
1932                         }
1933                 }
1934                 CHECKGLERROR
1935                 qglUseProgramObjectARB(r_glsl_permutation->program);CHECKGLERROR
1936         }
1937 }
1938
1939 void R_SetupGenericShader(qboolean usetexture)
1940 {
1941         if (gl_support_fragment_shader)
1942         {
1943                 if (r_glsl.integer && r_glsl_usegeneric.integer)
1944                         R_SetupShader_SetPermutation(SHADERMODE_GENERIC, usetexture ? SHADERPERMUTATION_DIFFUSE : 0);
1945                 else if (r_glsl_permutation)
1946                 {
1947                         r_glsl_permutation = NULL;
1948                         qglUseProgramObjectARB(0);CHECKGLERROR
1949                 }
1950         }
1951 }
1952
1953 void R_SetupGenericTwoTextureShader(int texturemode)
1954 {
1955         if (gl_support_fragment_shader)
1956         {
1957                 if (r_glsl.integer && r_glsl_usegeneric.integer)
1958                         R_SetupShader_SetPermutation(SHADERMODE_GENERIC, SHADERPERMUTATION_DIFFUSE | SHADERPERMUTATION_SPECULAR | (r_shadow_glossexact.integer ? SHADERPERMUTATION_EXACTSPECULARMATH : 0) | (texturemode == GL_MODULATE ? SHADERPERMUTATION_COLORMAPPING : (texturemode == GL_ADD ? SHADERPERMUTATION_GLOW : (texturemode == GL_DECAL ? SHADERPERMUTATION_VERTEXTEXTUREBLEND : 0))));
1959                 else if (r_glsl_permutation)
1960                 {
1961                         r_glsl_permutation = NULL;
1962                         qglUseProgramObjectARB(0);CHECKGLERROR
1963                 }
1964         }
1965         if (!r_glsl_permutation)
1966         {
1967                 if (texturemode == GL_DECAL && gl_combine.integer)
1968                         texturemode = GL_INTERPOLATE_ARB;
1969                 R_Mesh_TexCombine(1, texturemode, texturemode, 1, 1);
1970         }
1971 }
1972
1973 void R_SetupDepthOrShadowShader(void)
1974 {
1975         if (gl_support_fragment_shader)
1976         {
1977                 if (r_glsl.integer && r_glsl_usegeneric.integer)
1978                         R_SetupShader_SetPermutation(SHADERMODE_DEPTH_OR_SHADOW, 0);
1979                 else if (r_glsl_permutation)
1980                 {
1981                         r_glsl_permutation = NULL;
1982                         qglUseProgramObjectARB(0);CHECKGLERROR
1983                 }
1984         }
1985 }
1986
1987 void R_SetupShowDepthShader(void)
1988 {
1989         if (gl_support_fragment_shader)
1990         {
1991                 if (r_glsl.integer && r_glsl_usegeneric.integer)
1992                         R_SetupShader_SetPermutation(SHADERMODE_SHOWDEPTH, 0);
1993                 else if (r_glsl_permutation)
1994                 {
1995                         r_glsl_permutation = NULL;
1996                         qglUseProgramObjectARB(0);CHECKGLERROR
1997                 }
1998         }
1999 }
2000
2001 extern rtexture_t *r_shadow_attenuationgradienttexture;
2002 extern rtexture_t *r_shadow_attenuation2dtexture;
2003 extern rtexture_t *r_shadow_attenuation3dtexture;
2004 extern qboolean r_shadow_usingshadowmaprect;
2005 extern qboolean r_shadow_usingshadowmapcube;
2006 extern qboolean r_shadow_usingshadowmap2d;
2007 extern float r_shadow_shadowmap_texturescale[2];
2008 extern float r_shadow_shadowmap_parameters[4];
2009 extern qboolean r_shadow_shadowmapvsdct;
2010 extern qboolean r_shadow_shadowmapsampler;
2011 extern int r_shadow_shadowmappcf;
2012 void R_SetupSurfaceShader(const vec3_t lightcolorbase, qboolean modellighting, float ambientscale, float diffusescale, float specularscale, rsurfacepass_t rsurfacepass)
2013 {
2014         // select a permutation of the lighting shader appropriate to this
2015         // combination of texture, entity, light source, and fogging, only use the
2016         // minimum features necessary to avoid wasting rendering time in the
2017         // fragment shader on features that are not being used
2018         unsigned int permutation = 0;
2019         unsigned int mode = 0;
2020         // TODO: implement geometry-shader based shadow volumes someday
2021         if (r_glsl_offsetmapping.integer)
2022         {
2023                 permutation |= SHADERPERMUTATION_OFFSETMAPPING;
2024                 if (r_glsl_offsetmapping_reliefmapping.integer)
2025                         permutation |= SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;
2026         }
2027         if (rsurfacepass == RSURFPASS_BACKGROUND)
2028         {
2029                 // distorted background
2030                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_WATERSHADER)
2031                         mode = SHADERMODE_WATER;
2032                 else
2033                         mode = SHADERMODE_REFRACTION;
2034         }
2035         else if (rsurfacepass == RSURFPASS_RTLIGHT)
2036         {
2037                 // light source
2038                 mode = SHADERMODE_LIGHTSOURCE;
2039                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_VERTEXTEXTUREBLEND)
2040                         permutation |= SHADERPERMUTATION_VERTEXTEXTUREBLEND;
2041                 if (rsurface.rtlight->currentcubemap != r_texture_whitecube)
2042                         permutation |= SHADERPERMUTATION_CUBEFILTER;
2043                 if (diffusescale > 0)
2044                         permutation |= SHADERPERMUTATION_DIFFUSE;
2045                 if (specularscale > 0)
2046                         permutation |= SHADERPERMUTATION_SPECULAR | SHADERPERMUTATION_DIFFUSE;
2047                 if (r_refdef.fogenabled)
2048                         permutation |= SHADERPERMUTATION_FOG;
2049                 if (rsurface.texture->colormapping)
2050                         permutation |= SHADERPERMUTATION_COLORMAPPING;
2051                 if (r_shadow_usingshadowmaprect || r_shadow_usingshadowmap2d || r_shadow_usingshadowmapcube)
2052                 {
2053                         if (r_shadow_usingshadowmaprect)
2054                                 permutation |= SHADERPERMUTATION_SHADOWMAPRECT;
2055                         if (r_shadow_usingshadowmap2d)
2056                                 permutation |= SHADERPERMUTATION_SHADOWMAP2D;
2057                         if (r_shadow_usingshadowmapcube)
2058                                 permutation |= SHADERPERMUTATION_SHADOWMAPCUBE;
2059                         else if(r_shadow_shadowmapvsdct)
2060                                 permutation |= SHADERPERMUTATION_SHADOWMAPVSDCT;
2061
2062                         if (r_shadow_shadowmapsampler)
2063                                 permutation |= SHADERPERMUTATION_SHADOWSAMPLER;
2064                         if (r_shadow_shadowmappcf > 1)
2065                                 permutation |= SHADERPERMUTATION_SHADOWMAPPCF2;
2066                         else if (r_shadow_shadowmappcf)
2067                                 permutation |= SHADERPERMUTATION_SHADOWMAPPCF;
2068                 }
2069         }
2070         else if (rsurface.texture->currentmaterialflags & MATERIALFLAG_FULLBRIGHT)
2071         {
2072                 // unshaded geometry (fullbright or ambient model lighting)
2073                 mode = SHADERMODE_FLATCOLOR;
2074                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_VERTEXTEXTUREBLEND)
2075                         permutation |= SHADERPERMUTATION_VERTEXTEXTUREBLEND;
2076                 if (rsurface.texture->currentskinframe->glow && r_hdr_glowintensity.value > 0 && !gl_lightmaps.integer)
2077                         permutation |= SHADERPERMUTATION_GLOW;
2078                 if (r_refdef.fogenabled)
2079                         permutation |= SHADERPERMUTATION_FOG;
2080                 if (rsurface.texture->colormapping)
2081                         permutation |= SHADERPERMUTATION_COLORMAPPING;
2082                 if (r_glsl_offsetmapping.integer)
2083                 {
2084                         permutation |= SHADERPERMUTATION_OFFSETMAPPING;
2085                         if (r_glsl_offsetmapping_reliefmapping.integer)
2086                                 permutation |= SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;
2087                 }
2088                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_REFLECTION)
2089                         permutation |= SHADERPERMUTATION_REFLECTION;
2090         }
2091         else if (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT_DIRECTIONAL)
2092         {
2093                 // directional model lighting
2094                 mode = SHADERMODE_LIGHTDIRECTION;
2095                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_VERTEXTEXTUREBLEND)
2096                         permutation |= SHADERPERMUTATION_VERTEXTEXTUREBLEND;
2097                 if (rsurface.texture->currentskinframe->glow && r_hdr_glowintensity.value > 0 && !gl_lightmaps.integer)
2098                         permutation |= SHADERPERMUTATION_GLOW;
2099                 permutation |= SHADERPERMUTATION_DIFFUSE;
2100                 if (specularscale > 0)
2101                         permutation |= SHADERPERMUTATION_SPECULAR;
2102                 if (r_refdef.fogenabled)
2103                         permutation |= SHADERPERMUTATION_FOG;
2104                 if (rsurface.texture->colormapping)
2105                         permutation |= SHADERPERMUTATION_COLORMAPPING;
2106                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_REFLECTION)
2107                         permutation |= SHADERPERMUTATION_REFLECTION;
2108         }
2109         else if (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT)
2110         {
2111                 // ambient model lighting
2112                 mode = SHADERMODE_LIGHTDIRECTION;
2113                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_VERTEXTEXTUREBLEND)
2114                         permutation |= SHADERPERMUTATION_VERTEXTEXTUREBLEND;
2115                 if (rsurface.texture->currentskinframe->glow && r_hdr_glowintensity.value > 0 && !gl_lightmaps.integer)
2116                         permutation |= SHADERPERMUTATION_GLOW;
2117                 if (r_refdef.fogenabled)
2118                         permutation |= SHADERPERMUTATION_FOG;
2119                 if (rsurface.texture->colormapping)
2120                         permutation |= SHADERPERMUTATION_COLORMAPPING;
2121                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_REFLECTION)
2122                         permutation |= SHADERPERMUTATION_REFLECTION;
2123         }
2124         else
2125         {
2126                 // lightmapped wall
2127                 if (r_glsl_deluxemapping.integer >= 1 && rsurface.uselightmaptexture && r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->brushq3.deluxemapping)
2128                 {
2129                         // deluxemapping (light direction texture)
2130                         if (rsurface.uselightmaptexture && r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->brushq3.deluxemapping && r_refdef.scene.worldmodel->brushq3.deluxemapping_modelspace)
2131                                 mode = SHADERMODE_LIGHTDIRECTIONMAP_MODELSPACE;
2132                         else
2133                                 mode = SHADERMODE_LIGHTDIRECTIONMAP_TANGENTSPACE;
2134                         permutation |= SHADERPERMUTATION_DIFFUSE;
2135                         if (specularscale > 0)
2136                                 permutation |= SHADERPERMUTATION_SPECULAR | SHADERPERMUTATION_DIFFUSE;
2137                 }
2138                 else if (r_glsl_deluxemapping.integer >= 2)
2139                 {
2140                         // fake deluxemapping (uniform light direction in tangentspace)
2141                         mode = SHADERMODE_LIGHTDIRECTIONMAP_TANGENTSPACE;
2142                         permutation |= SHADERPERMUTATION_DIFFUSE;
2143                         if (specularscale > 0)
2144                                 permutation |= SHADERPERMUTATION_SPECULAR | SHADERPERMUTATION_DIFFUSE;
2145                 }
2146                 else if (rsurface.uselightmaptexture)
2147                 {
2148                         // ordinary lightmapping (q1bsp, q3bsp)
2149                         mode = SHADERMODE_LIGHTMAP;
2150                 }
2151                 else
2152                 {
2153                         // ordinary vertex coloring (q3bsp)
2154                         mode = SHADERMODE_VERTEXCOLOR;
2155                 }
2156                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_VERTEXTEXTUREBLEND)
2157                         permutation |= SHADERPERMUTATION_VERTEXTEXTUREBLEND;
2158                 if (rsurface.texture->currentskinframe->glow && r_hdr_glowintensity.value > 0 && !gl_lightmaps.integer)
2159                         permutation |= SHADERPERMUTATION_GLOW;
2160                 if (r_refdef.fogenabled)
2161                         permutation |= SHADERPERMUTATION_FOG;
2162                 if (rsurface.texture->colormapping)
2163                         permutation |= SHADERPERMUTATION_COLORMAPPING;
2164                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_REFLECTION)
2165                         permutation |= SHADERPERMUTATION_REFLECTION;
2166         }
2167         if(permutation & SHADERPERMUTATION_SPECULAR)
2168                 if(r_shadow_glossexact.integer)
2169                         permutation |= SHADERPERMUTATION_EXACTSPECULARMATH;
2170         R_SetupShader_SetPermutation(mode, permutation);
2171         if (mode == SHADERMODE_LIGHTSOURCE)
2172         {
2173                 if (r_glsl_permutation->loc_LightPosition >= 0) qglUniform3fARB(r_glsl_permutation->loc_LightPosition, rsurface.entitylightorigin[0], rsurface.entitylightorigin[1], rsurface.entitylightorigin[2]);
2174                 if (permutation & SHADERPERMUTATION_DIFFUSE)
2175                 {
2176                         if (r_glsl_permutation->loc_TintColor >= 0) qglUniform4fARB(r_glsl_permutation->loc_TintColor, lightcolorbase[0], lightcolorbase[1], lightcolorbase[2], rsurface.texture->lightmapcolor[3]);
2177                         if (r_glsl_permutation->loc_AmbientScale >= 0) qglUniform1fARB(r_glsl_permutation->loc_AmbientScale, ambientscale);
2178                         if (r_glsl_permutation->loc_DiffuseScale >= 0) qglUniform1fARB(r_glsl_permutation->loc_DiffuseScale, diffusescale);
2179                         if (r_glsl_permutation->loc_SpecularScale >= 0) qglUniform1fARB(r_glsl_permutation->loc_SpecularScale, specularscale);
2180                 }
2181                 else
2182                 {
2183                         // ambient only is simpler
2184                         if (r_glsl_permutation->loc_TintColor >= 0) qglUniform4fARB(r_glsl_permutation->loc_TintColor, lightcolorbase[0] * ambientscale, lightcolorbase[1] * ambientscale, lightcolorbase[2] * ambientscale, rsurface.texture->lightmapcolor[3]);
2185                         if (r_glsl_permutation->loc_AmbientScale >= 0) qglUniform1fARB(r_glsl_permutation->loc_AmbientScale, 1);
2186                         if (r_glsl_permutation->loc_DiffuseScale >= 0) qglUniform1fARB(r_glsl_permutation->loc_DiffuseScale, 0);
2187                         if (r_glsl_permutation->loc_SpecularScale >= 0) qglUniform1fARB(r_glsl_permutation->loc_SpecularScale, 0);
2188                 }
2189                 // additive passes are only darkened by fog, not tinted
2190                 if (r_glsl_permutation->loc_FogColor >= 0)
2191                         qglUniform3fARB(r_glsl_permutation->loc_FogColor, 0, 0, 0);
2192                 if (r_glsl_permutation->loc_ShadowMap_TextureScale >= 0) qglUniform2fARB(r_glsl_permutation->loc_ShadowMap_TextureScale, r_shadow_shadowmap_texturescale[0], r_shadow_shadowmap_texturescale[1]);
2193                 if (r_glsl_permutation->loc_ShadowMap_Parameters >= 0) qglUniform4fARB(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]);
2194         }
2195         else
2196         {
2197                 if (mode == SHADERMODE_LIGHTDIRECTION)
2198                 {
2199                         if (r_glsl_permutation->loc_AmbientColor  >= 0) qglUniform3fARB(r_glsl_permutation->loc_AmbientColor , rsurface.modellight_ambient[0] * ambientscale  * 0.5f, rsurface.modellight_ambient[1] * ambientscale  * 0.5f, rsurface.modellight_ambient[2] * ambientscale  * 0.5f);
2200                         if (r_glsl_permutation->loc_DiffuseColor  >= 0) qglUniform3fARB(r_glsl_permutation->loc_DiffuseColor , rsurface.modellight_diffuse[0] * diffusescale  * 0.5f, rsurface.modellight_diffuse[1] * diffusescale  * 0.5f, rsurface.modellight_diffuse[2] * diffusescale  * 0.5f);
2201                         if (r_glsl_permutation->loc_SpecularColor >= 0) qglUniform3fARB(r_glsl_permutation->loc_SpecularColor, rsurface.modellight_diffuse[0] * specularscale * 0.5f, rsurface.modellight_diffuse[1] * specularscale * 0.5f, rsurface.modellight_diffuse[2] * specularscale * 0.5f);
2202                         if (r_glsl_permutation->loc_LightDir      >= 0) qglUniform3fARB(r_glsl_permutation->loc_LightDir, rsurface.modellight_lightdir[0], rsurface.modellight_lightdir[1], rsurface.modellight_lightdir[2]);
2203                 }
2204                 else
2205                 {
2206                         if (r_glsl_permutation->loc_AmbientScale  >= 0) qglUniform1fARB(r_glsl_permutation->loc_AmbientScale, r_refdef.scene.ambient * 1.0f / 128.0f);
2207                         if (r_glsl_permutation->loc_DiffuseScale  >= 0) qglUniform1fARB(r_glsl_permutation->loc_DiffuseScale, r_refdef.lightmapintensity);
2208                         if (r_glsl_permutation->loc_SpecularScale >= 0) qglUniform1fARB(r_glsl_permutation->loc_SpecularScale, r_refdef.lightmapintensity * specularscale);
2209                 }
2210                 if (r_glsl_permutation->loc_TintColor >= 0) qglUniform4fARB(r_glsl_permutation->loc_TintColor, rsurface.texture->lightmapcolor[0], rsurface.texture->lightmapcolor[1], rsurface.texture->lightmapcolor[2], rsurface.texture->lightmapcolor[3]);
2211                 if (r_glsl_permutation->loc_GlowColor >= 0) qglUniform3fARB(r_glsl_permutation->loc_GlowColor, rsurface.glowmod[0] * r_hdr_glowintensity.value, rsurface.glowmod[1] * r_hdr_glowintensity.value, rsurface.glowmod[2] * r_hdr_glowintensity.value);
2212                 // additive passes are only darkened by fog, not tinted
2213                 if (r_glsl_permutation->loc_FogColor >= 0)
2214                 {
2215                         if (rsurface.texture->currentmaterialflags & MATERIALFLAG_ADD)
2216                                 qglUniform3fARB(r_glsl_permutation->loc_FogColor, 0, 0, 0);
2217                         else
2218                                 qglUniform3fARB(r_glsl_permutation->loc_FogColor, r_refdef.fogcolor[0], r_refdef.fogcolor[1], r_refdef.fogcolor[2]);
2219                 }
2220                 if (r_glsl_permutation->loc_DistortScaleRefractReflect >= 0) qglUniform4fARB(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);
2221                 if (r_glsl_permutation->loc_ScreenScaleRefractReflect >= 0) qglUniform4fARB(r_glsl_permutation->loc_ScreenScaleRefractReflect, r_waterstate.screenscale[0], r_waterstate.screenscale[1], r_waterstate.screenscale[0], r_waterstate.screenscale[1]);
2222                 if (r_glsl_permutation->loc_ScreenCenterRefractReflect >= 0) qglUniform4fARB(r_glsl_permutation->loc_ScreenCenterRefractReflect, r_waterstate.screencenter[0], r_waterstate.screencenter[1], r_waterstate.screencenter[0], r_waterstate.screencenter[1]);
2223                 if (r_glsl_permutation->loc_RefractColor >= 0) qglUniform4fvARB(r_glsl_permutation->loc_RefractColor, 1, rsurface.texture->refractcolor4f);
2224                 if (r_glsl_permutation->loc_ReflectColor >= 0) qglUniform4fvARB(r_glsl_permutation->loc_ReflectColor, 1, rsurface.texture->reflectcolor4f);
2225                 if (r_glsl_permutation->loc_ReflectFactor >= 0) qglUniform1fARB(r_glsl_permutation->loc_ReflectFactor, rsurface.texture->reflectmax - rsurface.texture->reflectmin);
2226                 if (r_glsl_permutation->loc_ReflectOffset >= 0) qglUniform1fARB(r_glsl_permutation->loc_ReflectOffset, rsurface.texture->reflectmin);
2227         }
2228         if (r_glsl_permutation->loc_SceneBrightness >= 0) qglUniform1fARB(r_glsl_permutation->loc_SceneBrightness, r_refdef.view.colorscale);
2229         if (r_glsl_permutation->loc_EyePosition >= 0) qglUniform3fARB(r_glsl_permutation->loc_EyePosition, rsurface.localvieworigin[0], rsurface.localvieworigin[1], rsurface.localvieworigin[2]);
2230         if (r_glsl_permutation->loc_Color_Pants >= 0)
2231         {
2232                 if (rsurface.texture->currentskinframe->pants)
2233                         qglUniform3fARB(r_glsl_permutation->loc_Color_Pants, rsurface.colormap_pantscolor[0], rsurface.colormap_pantscolor[1], rsurface.colormap_pantscolor[2]);
2234                 else
2235                         qglUniform3fARB(r_glsl_permutation->loc_Color_Pants, 0, 0, 0);
2236         }
2237         if (r_glsl_permutation->loc_Color_Shirt >= 0)
2238         {
2239                 if (rsurface.texture->currentskinframe->shirt)
2240                         qglUniform3fARB(r_glsl_permutation->loc_Color_Shirt, rsurface.colormap_shirtcolor[0], rsurface.colormap_shirtcolor[1], rsurface.colormap_shirtcolor[2]);
2241                 else
2242                         qglUniform3fARB(r_glsl_permutation->loc_Color_Shirt, 0, 0, 0);
2243         }
2244         if (r_glsl_permutation->loc_FogRangeRecip >= 0) qglUniform1fARB(r_glsl_permutation->loc_FogRangeRecip, rsurface.fograngerecip);
2245         if(permutation & SHADERPERMUTATION_EXACTSPECULARMATH)
2246         {
2247                 if (r_glsl_permutation->loc_SpecularPower >= 0) qglUniform1fARB(r_glsl_permutation->loc_SpecularPower, rsurface.texture->specularpower * 0.25);
2248         }
2249         else
2250         {
2251                 if (r_glsl_permutation->loc_SpecularPower >= 0) qglUniform1fARB(r_glsl_permutation->loc_SpecularPower, rsurface.texture->specularpower);
2252         }
2253         if (r_glsl_permutation->loc_OffsetMapping_Scale >= 0) qglUniform1fARB(r_glsl_permutation->loc_OffsetMapping_Scale, r_glsl_offsetmapping_scale.value);
2254         CHECKGLERROR
2255 }
2256
2257 #define SKINFRAME_HASH 1024
2258
2259 typedef struct
2260 {
2261         int loadsequence; // incremented each level change
2262         memexpandablearray_t array;
2263         skinframe_t *hash[SKINFRAME_HASH];
2264 }
2265 r_skinframe_t;
2266 r_skinframe_t r_skinframe;
2267
2268 void R_SkinFrame_PrepareForPurge(void)
2269 {
2270         r_skinframe.loadsequence++;
2271         // wrap it without hitting zero
2272         if (r_skinframe.loadsequence >= 200)
2273                 r_skinframe.loadsequence = 1;
2274 }
2275
2276 void R_SkinFrame_MarkUsed(skinframe_t *skinframe)
2277 {
2278         if (!skinframe)
2279                 return;
2280         // mark the skinframe as used for the purging code
2281         skinframe->loadsequence = r_skinframe.loadsequence;
2282 }
2283
2284 void R_SkinFrame_Purge(void)
2285 {
2286         int i;
2287         skinframe_t *s;
2288         for (i = 0;i < SKINFRAME_HASH;i++)
2289         {
2290                 for (s = r_skinframe.hash[i];s;s = s->next)
2291                 {
2292                         if (s->loadsequence && s->loadsequence != r_skinframe.loadsequence)
2293                         {
2294                                 if (s->merged == s->base)
2295                                         s->merged = NULL;
2296                                 // FIXME: maybe pass a pointer to the pointer to R_PurgeTexture and reset it to NULL inside? [11/29/2007 Black]
2297                                 R_PurgeTexture(s->stain );s->stain  = NULL;
2298                                 R_PurgeTexture(s->merged);s->merged = NULL;
2299                                 R_PurgeTexture(s->base  );s->base   = NULL;
2300                                 R_PurgeTexture(s->pants );s->pants  = NULL;
2301                                 R_PurgeTexture(s->shirt );s->shirt  = NULL;
2302                                 R_PurgeTexture(s->nmap  );s->nmap   = NULL;
2303                                 R_PurgeTexture(s->gloss );s->gloss  = NULL;
2304                                 R_PurgeTexture(s->glow  );s->glow   = NULL;
2305                                 R_PurgeTexture(s->fog   );s->fog    = NULL;
2306                                 s->loadsequence = 0;
2307                         }
2308                 }
2309         }
2310 }
2311
2312 skinframe_t *R_SkinFrame_FindNextByName( skinframe_t *last, const char *name ) {
2313         skinframe_t *item;
2314         char basename[MAX_QPATH];
2315
2316         Image_StripImageExtension(name, basename, sizeof(basename));
2317
2318         if( last == NULL ) {
2319                 int hashindex;
2320                 hashindex = CRC_Block((unsigned char *)basename, strlen(basename)) & (SKINFRAME_HASH - 1);
2321                 item = r_skinframe.hash[hashindex];
2322         } else {
2323                 item = last->next;
2324         }
2325
2326         // linearly search through the hash bucket
2327         for( ; item ; item = item->next ) {
2328                 if( !strcmp( item->basename, basename ) ) {
2329                         return item;
2330                 }
2331         }
2332         return NULL;
2333 }
2334
2335 skinframe_t *R_SkinFrame_Find(const char *name, int textureflags, int comparewidth, int compareheight, int comparecrc, qboolean add)
2336 {
2337         skinframe_t *item;
2338         int hashindex;
2339         char basename[MAX_QPATH];
2340
2341         Image_StripImageExtension(name, basename, sizeof(basename));
2342
2343         hashindex = CRC_Block((unsigned char *)basename, strlen(basename)) & (SKINFRAME_HASH - 1);
2344         for (item = r_skinframe.hash[hashindex];item;item = item->next)
2345                 if (!strcmp(item->basename, basename) && item->textureflags == textureflags && item->comparewidth == comparewidth && item->compareheight == compareheight && item->comparecrc == comparecrc)
2346                         break;
2347
2348         if (!item) {
2349                 rtexture_t *dyntexture;
2350                 // check whether its a dynamic texture
2351                 dyntexture = CL_GetDynTexture( basename );
2352                 if (!add && !dyntexture)
2353                         return NULL;
2354                 item = (skinframe_t *)Mem_ExpandableArray_AllocRecord(&r_skinframe.array);
2355                 memset(item, 0, sizeof(*item));
2356                 strlcpy(item->basename, basename, sizeof(item->basename));
2357                 item->base = dyntexture; // either NULL or dyntexture handle
2358                 item->textureflags = textureflags;
2359                 item->comparewidth = comparewidth;
2360                 item->compareheight = compareheight;
2361                 item->comparecrc = comparecrc;
2362                 item->next = r_skinframe.hash[hashindex];
2363                 r_skinframe.hash[hashindex] = item;
2364         }
2365         else if( item->base == NULL )
2366         {
2367                 rtexture_t *dyntexture;
2368                 // check whether its a dynamic texture
2369                 // 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]
2370                 dyntexture = CL_GetDynTexture( basename );
2371                 item->base = dyntexture; // either NULL or dyntexture handle
2372         }
2373
2374         R_SkinFrame_MarkUsed(item);
2375         return item;
2376 }
2377
2378 #define R_SKINFRAME_LOAD_AVERAGE_COLORS(cnt, getpixel) \
2379         { \
2380                 unsigned long long avgcolor[5], wsum; \
2381                 int pix, comp, w; \
2382                 avgcolor[0] = 0; \
2383                 avgcolor[1] = 0; \
2384                 avgcolor[2] = 0; \
2385                 avgcolor[3] = 0; \
2386                 avgcolor[4] = 0; \
2387                 wsum = 0; \
2388                 for(pix = 0; pix < cnt; ++pix) \
2389                 { \
2390                         w = 0; \
2391                         for(comp = 0; comp < 3; ++comp) \
2392                                 w += getpixel; \
2393                         if(w) /* ignore perfectly black pixels because that is better for model skins */ \
2394                         { \
2395                                 ++wsum; \
2396                                 /* comp = 3; -- not needed, comp is always 3 when we get here */ \
2397                                 w = getpixel; \
2398                                 for(comp = 0; comp < 3; ++comp) \
2399                                         avgcolor[comp] += getpixel * w; \
2400                                 avgcolor[3] += w; \
2401                         } \
2402                         /* comp = 3; -- not needed, comp is always 3 when we get here */ \
2403                         avgcolor[4] += getpixel; \
2404                 } \
2405                 if(avgcolor[3] == 0) /* no pixels seen? even worse */ \
2406                         avgcolor[3] = 1; \
2407                 skinframe->avgcolor[0] = avgcolor[2] / (255.0 * avgcolor[3]); \
2408                 skinframe->avgcolor[1] = avgcolor[1] / (255.0 * avgcolor[3]); \
2409                 skinframe->avgcolor[2] = avgcolor[0] / (255.0 * avgcolor[3]); \
2410                 skinframe->avgcolor[3] = avgcolor[4] / (255.0 * cnt); \
2411         }
2412
2413 skinframe_t *R_SkinFrame_LoadExternal_CheckAlpha(const char *name, int textureflags, qboolean complain, qboolean *has_alpha)
2414 {
2415         // FIXME: it should be possible to disable loading various layers using
2416         // cvars, to prevent wasted loading time and memory usage if the user does
2417         // not want them
2418         qboolean loadnormalmap = true;
2419         qboolean loadgloss = true;
2420         qboolean loadpantsandshirt = true;
2421         qboolean loadglow = true;
2422         int j;
2423         unsigned char *pixels;
2424         unsigned char *bumppixels;
2425         unsigned char *basepixels = NULL;
2426         int basepixels_width;
2427         int basepixels_height;
2428         skinframe_t *skinframe;
2429
2430         if (has_alpha)
2431                 *has_alpha = false;
2432
2433         if (cls.state == ca_dedicated)
2434                 return NULL;
2435
2436         // return an existing skinframe if already loaded
2437         // if loading of the first image fails, don't make a new skinframe as it
2438         // would cause all future lookups of this to be missing
2439         skinframe = R_SkinFrame_Find(name, textureflags, 0, 0, 0, false);
2440         if (skinframe && skinframe->base)
2441                 return skinframe;
2442
2443         basepixels = loadimagepixelsbgra(name, complain, true);
2444         if (basepixels == NULL)
2445                 return NULL;
2446
2447         if (developer_loading.integer)
2448                 Con_Printf("loading skin \"%s\"\n", name);
2449
2450         // we've got some pixels to store, so really allocate this new texture now
2451         if (!skinframe)
2452                 skinframe = R_SkinFrame_Find(name, textureflags, 0, 0, 0, true);
2453         skinframe->stain = NULL;
2454         skinframe->merged = NULL;
2455         skinframe->base = r_texture_notexture;
2456         skinframe->pants = NULL;
2457         skinframe->shirt = NULL;
2458         skinframe->nmap = r_texture_blanknormalmap;
2459         skinframe->gloss = NULL;
2460         skinframe->glow = NULL;
2461         skinframe->fog = NULL;
2462
2463         basepixels_width = image_width;
2464         basepixels_height = image_height;
2465         skinframe->base = R_LoadTexture2D (r_main_texturepool, skinframe->basename, basepixels_width, basepixels_height, basepixels, TEXTYPE_BGRA, skinframe->textureflags & (gl_texturecompression_color.integer ? ~0 : ~TEXF_COMPRESS), NULL);
2466
2467         if (textureflags & TEXF_ALPHA)
2468         {
2469                 for (j = 3;j < basepixels_width * basepixels_height * 4;j += 4)
2470                         if (basepixels[j] < 255)
2471                                 break;
2472                 if (j < basepixels_width * basepixels_height * 4)
2473                 {
2474                         // has transparent pixels
2475                         if (has_alpha)
2476                                 *has_alpha = true;
2477                         pixels = (unsigned char *)Mem_Alloc(tempmempool, image_width * image_height * 4);
2478                         for (j = 0;j < image_width * image_height * 4;j += 4)
2479                         {
2480                                 pixels[j+0] = 255;
2481                                 pixels[j+1] = 255;
2482                                 pixels[j+2] = 255;
2483                                 pixels[j+3] = basepixels[j+3];
2484                         }
2485                         skinframe->fog = R_LoadTexture2D (r_main_texturepool, va("%s_mask", skinframe->basename), image_width, image_height, pixels, TEXTYPE_BGRA, skinframe->textureflags & (gl_texturecompression_color.integer ? ~0 : ~TEXF_COMPRESS), NULL);
2486                         Mem_Free(pixels);
2487                 }
2488         }
2489
2490         R_SKINFRAME_LOAD_AVERAGE_COLORS(basepixels_width * basepixels_height, basepixels[4 * pix + comp]);
2491         //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]);
2492
2493         // _norm is the name used by tenebrae and has been adopted as standard
2494         if (loadnormalmap)
2495         {
2496                 if ((pixels = loadimagepixelsbgra(va("%s_norm", skinframe->basename), false, false)) != NULL)
2497                 {
2498                         skinframe->nmap = R_LoadTexture2D (r_main_texturepool, va("%s_nmap", skinframe->basename), image_width, image_height, pixels, TEXTYPE_BGRA, (TEXF_ALPHA | skinframe->textureflags) & (gl_texturecompression_normal.integer ? ~0 : ~TEXF_COMPRESS), NULL);
2499                         Mem_Free(pixels);
2500                         pixels = NULL;
2501                 }
2502                 else if (r_shadow_bumpscale_bumpmap.value > 0 && (bumppixels = loadimagepixelsbgra(va("%s_bump", skinframe->basename), false, false)) != NULL)
2503                 {
2504                         pixels = (unsigned char *)Mem_Alloc(tempmempool, image_width * image_height * 4);
2505                         Image_HeightmapToNormalmap_BGRA(bumppixels, pixels, image_width, image_height, false, r_shadow_bumpscale_bumpmap.value);
2506                         skinframe->nmap = R_LoadTexture2D (r_main_texturepool, va("%s_nmap", skinframe->basename), image_width, image_height, pixels, TEXTYPE_BGRA, (TEXF_ALPHA | skinframe->textureflags) & (gl_texturecompression_normal.integer ? ~0 : ~TEXF_COMPRESS), NULL);
2507                         Mem_Free(pixels);
2508                         Mem_Free(bumppixels);
2509                 }
2510                 else if (r_shadow_bumpscale_basetexture.value > 0)
2511                 {
2512                         pixels = (unsigned char *)Mem_Alloc(tempmempool, basepixels_width * basepixels_height * 4);
2513                         Image_HeightmapToNormalmap_BGRA(basepixels, pixels, basepixels_width, basepixels_height, false, r_shadow_bumpscale_basetexture.value);
2514                         skinframe->nmap = R_LoadTexture2D (r_main_texturepool, va("%s_nmap", skinframe->basename), basepixels_width, basepixels_height, pixels, TEXTYPE_BGRA, (TEXF_ALPHA | skinframe->textureflags) & (gl_texturecompression_normal.integer ? ~0 : ~TEXF_COMPRESS), NULL);
2515                         Mem_Free(pixels);
2516                 }
2517         }
2518         // _luma is supported for tenebrae compatibility
2519         // (I think it's a very stupid name, but oh well)
2520         // _glow is the preferred name
2521         if (loadglow          && ((pixels = loadimagepixelsbgra(va("%s_glow", skinframe->basename), false, false)) != NULL || (pixels = loadimagepixelsbgra(va("%s_luma", skinframe->basename), false, false)) != NULL)) {skinframe->glow = R_LoadTexture2D (r_main_texturepool, va("%s_glow", skinframe->basename), image_width, image_height, pixels, TEXTYPE_BGRA, skinframe->textureflags & (gl_texturecompression_glow.integer ? ~0 : ~TEXF_COMPRESS), NULL);Mem_Free(pixels);pixels = NULL;}
2522         if (loadgloss         && (pixels = loadimagepixelsbgra(va("%s_gloss", skinframe->basename), false, false)) != NULL) {skinframe->gloss = R_LoadTexture2D (r_main_texturepool, va("%s_gloss", skinframe->basename), image_width, image_height, pixels, TEXTYPE_BGRA, skinframe->textureflags & (gl_texturecompression_gloss.integer ? ~0 : ~TEXF_COMPRESS), NULL);Mem_Free(pixels);pixels = NULL;}
2523         if (loadpantsandshirt && (pixels = loadimagepixelsbgra(va("%s_pants", skinframe->basename), false, false)) != NULL) {skinframe->pants = R_LoadTexture2D (r_main_texturepool, va("%s_pants", skinframe->basename), image_width, image_height, pixels, TEXTYPE_BGRA, skinframe->textureflags & (gl_texturecompression_color.integer ? ~0 : ~TEXF_COMPRESS), NULL);Mem_Free(pixels);pixels = NULL;}
2524         if (loadpantsandshirt && (pixels = loadimagepixelsbgra(va("%s_shirt", skinframe->basename), false, false)) != NULL) {skinframe->shirt = R_LoadTexture2D (r_main_texturepool, va("%s_shirt", skinframe->basename), image_width, image_height, pixels, TEXTYPE_BGRA, skinframe->textureflags & (gl_texturecompression_color.integer ? ~0 : ~TEXF_COMPRESS), NULL);Mem_Free(pixels);pixels = NULL;}
2525
2526         if (basepixels)
2527                 Mem_Free(basepixels);
2528
2529         return skinframe;
2530 }
2531
2532 skinframe_t *R_SkinFrame_LoadExternal(const char *name, int textureflags, qboolean complain)
2533 {
2534         return R_SkinFrame_LoadExternal_CheckAlpha(name, textureflags, complain, NULL);
2535 }
2536
2537 static rtexture_t *R_SkinFrame_TextureForSkinLayer(const unsigned char *in, int width, int height, const char *name, const unsigned int *palette, int textureflags, qboolean force)
2538 {
2539         int i;
2540         if (!force)
2541         {
2542                 for (i = 0;i < width*height;i++)
2543                         if (((unsigned char *)&palette[in[i]])[3] > 0)
2544                                 break;
2545                 if (i == width*height)
2546                         return NULL;
2547         }
2548         return R_LoadTexture2D (r_main_texturepool, name, width, height, in, TEXTYPE_PALETTE, textureflags, palette);
2549 }
2550
2551 // this is only used by .spr32 sprites, HL .spr files, HL .bsp files
2552 skinframe_t *R_SkinFrame_LoadInternalBGRA(const char *name, int textureflags, const unsigned char *skindata, int width, int height)
2553 {
2554         int i;
2555         unsigned char *temp1, *temp2;
2556         skinframe_t *skinframe;
2557
2558         if (cls.state == ca_dedicated)
2559                 return NULL;
2560
2561         // if already loaded just return it, otherwise make a new skinframe
2562         skinframe = R_SkinFrame_Find(name, textureflags, width, height, skindata ? CRC_Block(skindata, width*height*4) : 0, true);
2563         if (skinframe && skinframe->base)
2564                 return skinframe;
2565
2566         skinframe->stain = NULL;
2567         skinframe->merged = NULL;
2568         skinframe->base = r_texture_notexture;
2569         skinframe->pants = NULL;
2570         skinframe->shirt = NULL;
2571         skinframe->nmap = r_texture_blanknormalmap;
2572         skinframe->gloss = NULL;
2573         skinframe->glow = NULL;
2574         skinframe->fog = NULL;
2575
2576         // if no data was provided, then clearly the caller wanted to get a blank skinframe
2577         if (!skindata)
2578                 return NULL;
2579
2580         if (developer_loading.integer)
2581                 Con_Printf("loading 32bit skin \"%s\"\n", name);
2582
2583         if (r_shadow_bumpscale_basetexture.value > 0)
2584         {
2585                 temp1 = (unsigned char *)Mem_Alloc(tempmempool, width * height * 8);
2586                 temp2 = temp1 + width * height * 4;
2587                 Image_HeightmapToNormalmap_BGRA(skindata, temp2, width, height, false, r_shadow_bumpscale_basetexture.value);
2588                 skinframe->nmap = R_LoadTexture2D(r_main_texturepool, va("%s_nmap", skinframe->basename), width, height, temp2, TEXTYPE_BGRA, skinframe->textureflags | TEXF_ALPHA, NULL);
2589                 Mem_Free(temp1);
2590         }
2591         skinframe->base = skinframe->merged = R_LoadTexture2D(r_main_texturepool, skinframe->basename, width, height, skindata, TEXTYPE_BGRA, skinframe->textureflags, NULL);
2592         if (textureflags & TEXF_ALPHA)
2593         {
2594                 for (i = 3;i < width * height * 4;i += 4)
2595                         if (skindata[i] < 255)
2596                                 break;
2597                 if (i < width * height * 4)
2598                 {
2599                         unsigned char *fogpixels = (unsigned char *)Mem_Alloc(tempmempool, width * height * 4);
2600                         memcpy(fogpixels, skindata, width * height * 4);
2601                         for (i = 0;i < width * height * 4;i += 4)
2602                                 fogpixels[i] = fogpixels[i+1] = fogpixels[i+2] = 255;
2603                         skinframe->fog = R_LoadTexture2D(r_main_texturepool, va("%s_fog", skinframe->basename), width, height, fogpixels, TEXTYPE_BGRA, skinframe->textureflags, NULL);
2604                         Mem_Free(fogpixels);
2605                 }
2606         }
2607
2608         R_SKINFRAME_LOAD_AVERAGE_COLORS(width * height, skindata[4 * pix + comp]);
2609         //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]);
2610
2611         return skinframe;
2612 }
2613
2614 skinframe_t *R_SkinFrame_LoadInternalQuake(const char *name, int textureflags, int loadpantsandshirt, int loadglowtexture, const unsigned char *skindata, int width, int height)
2615 {
2616         int i;
2617         unsigned char *temp1, *temp2;
2618         unsigned int *palette;
2619         skinframe_t *skinframe;
2620
2621         if (cls.state == ca_dedicated)
2622                 return NULL;
2623
2624         // if already loaded just return it, otherwise make a new skinframe
2625         skinframe = R_SkinFrame_Find(name, textureflags, width, height, skindata ? CRC_Block(skindata, width*height) : 0, true);
2626         if (skinframe && skinframe->base)
2627                 return skinframe;
2628
2629         palette = (loadglowtexture ? palette_bgra_nofullbrights : ((skinframe->textureflags & TEXF_ALPHA) ? palette_bgra_transparent : palette_bgra_complete));
2630
2631         skinframe->stain = NULL;
2632         skinframe->merged = NULL;
2633         skinframe->base = r_texture_notexture;
2634         skinframe->pants = NULL;
2635         skinframe->shirt = NULL;
2636         skinframe->nmap = r_texture_blanknormalmap;
2637         skinframe->gloss = NULL;
2638         skinframe->glow = NULL;
2639         skinframe->fog = NULL;
2640
2641         // if no data was provided, then clearly the caller wanted to get a blank skinframe
2642         if (!skindata)
2643                 return NULL;
2644
2645         if (developer_loading.integer)
2646                 Con_Printf("loading quake skin \"%s\"\n", name);
2647
2648         if (r_shadow_bumpscale_basetexture.value > 0)
2649         {
2650                 temp1 = (unsigned char *)Mem_Alloc(tempmempool, width * height * 8);
2651                 temp2 = temp1 + width * height * 4;
2652                 // use either a custom palette or the quake palette
2653                 Image_Copy8bitBGRA(skindata, temp1, width * height, palette_bgra_complete);
2654                 Image_HeightmapToNormalmap_BGRA(temp1, temp2, width, height, false, r_shadow_bumpscale_basetexture.value);
2655                 skinframe->nmap = R_LoadTexture2D(r_main_texturepool, va("%s_nmap", skinframe->basename), width, height, temp2, TEXTYPE_BGRA, skinframe->textureflags | TEXF_ALPHA, NULL);
2656                 Mem_Free(temp1);
2657         }
2658         // use either a custom palette, or the quake palette
2659         skinframe->base = skinframe->merged = R_SkinFrame_TextureForSkinLayer(skindata, width, height, va("%s_merged", skinframe->basename), palette, skinframe->textureflags, true); // all
2660         if (loadglowtexture)
2661                 skinframe->glow = R_SkinFrame_TextureForSkinLayer(skindata, width, height, va("%s_glow", skinframe->basename), palette_bgra_onlyfullbrights, skinframe->textureflags, false); // glow
2662         if (loadpantsandshirt)
2663         {
2664                 skinframe->pants = R_SkinFrame_TextureForSkinLayer(skindata, width, height, va("%s_pants", skinframe->basename), palette_bgra_pantsaswhite, skinframe->textureflags, false); // pants
2665                 skinframe->shirt = R_SkinFrame_TextureForSkinLayer(skindata, width, height, va("%s_shirt", skinframe->basename), palette_bgra_shirtaswhite, skinframe->textureflags, false); // shirt
2666         }
2667         if (skinframe->pants || skinframe->shirt)
2668                 skinframe->base = R_SkinFrame_TextureForSkinLayer(skindata, width, height, va("%s_nospecial", skinframe->basename), loadglowtexture ? palette_bgra_nocolormapnofullbrights : palette_bgra_nocolormap, skinframe->textureflags, false); // no special colors
2669         if (textureflags & TEXF_ALPHA)
2670         {
2671                 for (i = 0;i < width * height;i++)
2672                         if (((unsigned char *)palette_bgra_alpha)[skindata[i]*4+3] < 255)
2673                                 break;
2674                 if (i < width * height)
2675                         skinframe->fog = R_SkinFrame_TextureForSkinLayer(skindata, width, height, va("%s_fog", skinframe->basename), palette_bgra_alpha, skinframe->textureflags, true); // fog mask
2676         }
2677
2678         R_SKINFRAME_LOAD_AVERAGE_COLORS(width * height, ((unsigned char *)palette)[skindata[pix]*4 + comp]);
2679         //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]);
2680
2681         return skinframe;
2682 }
2683
2684 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)
2685 {
2686         int i;
2687         skinframe_t *skinframe;
2688
2689         if (cls.state == ca_dedicated)
2690                 return NULL;
2691
2692         // if already loaded just return it, otherwise make a new skinframe
2693         skinframe = R_SkinFrame_Find(name, textureflags, width, height, skindata ? CRC_Block(skindata, width*height) : 0, true);
2694         if (skinframe && skinframe->base)
2695                 return skinframe;
2696
2697         skinframe->stain = NULL;
2698         skinframe->merged = NULL;
2699         skinframe->base = r_texture_notexture;
2700         skinframe->pants = NULL;
2701         skinframe->shirt = NULL;
2702         skinframe->nmap = r_texture_blanknormalmap;
2703         skinframe->gloss = NULL;
2704         skinframe->glow = NULL;
2705         skinframe->fog = NULL;
2706
2707         // if no data was provided, then clearly the caller wanted to get a blank skinframe
2708         if (!skindata)
2709                 return NULL;
2710
2711         if (developer_loading.integer)
2712                 Con_Printf("loading embedded 8bit image \"%s\"\n", name);
2713
2714         skinframe->base = skinframe->merged = R_SkinFrame_TextureForSkinLayer(skindata, width, height, skinframe->basename, palette, skinframe->textureflags, true);
2715         if (textureflags & TEXF_ALPHA)
2716         {
2717                 for (i = 0;i < width * height;i++)
2718                         if (((unsigned char *)alphapalette)[skindata[i]*4+3] < 255)
2719                                 break;
2720                 if (i < width * height)
2721                         skinframe->fog = R_SkinFrame_TextureForSkinLayer(skindata, width, height, va("%s_fog", skinframe->basename), alphapalette, skinframe->textureflags, true); // fog mask
2722         }
2723
2724         R_SKINFRAME_LOAD_AVERAGE_COLORS(width * height, ((unsigned char *)palette)[skindata[pix]*4 + comp]);
2725         //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]);
2726
2727         return skinframe;
2728 }
2729
2730 skinframe_t *R_SkinFrame_LoadMissing(void)
2731 {
2732         skinframe_t *skinframe;
2733
2734         if (cls.state == ca_dedicated)
2735                 return NULL;
2736
2737         skinframe = R_SkinFrame_Find("missing", TEXF_PRECACHE | TEXF_FORCENEAREST, 0, 0, 0, true);
2738         skinframe->stain = NULL;
2739         skinframe->merged = NULL;
2740         skinframe->base = r_texture_notexture;
2741         skinframe->pants = NULL;
2742         skinframe->shirt = NULL;
2743         skinframe->nmap = r_texture_blanknormalmap;
2744         skinframe->gloss = NULL;
2745         skinframe->glow = NULL;
2746         skinframe->fog = NULL;
2747
2748         skinframe->avgcolor[0] = rand() / RAND_MAX;
2749         skinframe->avgcolor[1] = rand() / RAND_MAX;
2750         skinframe->avgcolor[2] = rand() / RAND_MAX;
2751         skinframe->avgcolor[3] = 1;
2752
2753         return skinframe;
2754 }
2755
2756 void gl_main_start(void)
2757 {
2758         r_numqueries = 0;
2759         r_maxqueries = 0;
2760         memset(r_queries, 0, sizeof(r_queries));
2761
2762         r_qwskincache = NULL;
2763         r_qwskincache_size = 0;
2764
2765         // set up r_skinframe loading system for textures
2766         memset(&r_skinframe, 0, sizeof(r_skinframe));
2767         r_skinframe.loadsequence = 1;
2768         Mem_ExpandableArray_NewArray(&r_skinframe.array, r_main_mempool, sizeof(skinframe_t), 256);
2769
2770         r_main_texturepool = R_AllocTexturePool();
2771         R_BuildBlankTextures();
2772         R_BuildNoTexture();
2773         if (gl_texturecubemap)
2774         {
2775                 R_BuildWhiteCube();
2776                 R_BuildNormalizationCube();
2777         }
2778         r_texture_fogattenuation = NULL;
2779         r_texture_gammaramps = NULL;
2780         //r_texture_fogintensity = NULL;
2781         memset(&r_bloomstate, 0, sizeof(r_bloomstate));
2782         memset(&r_waterstate, 0, sizeof(r_waterstate));
2783         memset(r_glsl_permutationhash, 0, sizeof(r_glsl_permutationhash));
2784         Mem_ExpandableArray_NewArray(&r_glsl_permutationarray, r_main_mempool, sizeof(r_glsl_permutation_t), 256);
2785         memset(&r_svbsp, 0, sizeof (r_svbsp));
2786
2787         r_refdef.fogmasktable_density = 0;
2788 }
2789
2790 extern rtexture_t *loadingscreentexture;
2791 void gl_main_shutdown(void)
2792 {
2793         if (r_maxqueries)
2794                 qglDeleteQueriesARB(r_maxqueries, r_queries);
2795
2796         r_numqueries = 0;
2797         r_maxqueries = 0;
2798         memset(r_queries, 0, sizeof(r_queries));
2799
2800         r_qwskincache = NULL;
2801         r_qwskincache_size = 0;
2802
2803         // clear out the r_skinframe state
2804         Mem_ExpandableArray_FreeArray(&r_skinframe.array);
2805         memset(&r_skinframe, 0, sizeof(r_skinframe));
2806
2807         if (r_svbsp.nodes)
2808                 Mem_Free(r_svbsp.nodes);
2809         memset(&r_svbsp, 0, sizeof (r_svbsp));
2810         R_FreeTexturePool(&r_main_texturepool);
2811         loadingscreentexture = NULL;
2812         r_texture_blanknormalmap = NULL;
2813         r_texture_white = NULL;
2814         r_texture_grey128 = NULL;
2815         r_texture_black = NULL;
2816         r_texture_whitecube = NULL;
2817         r_texture_normalizationcube = NULL;
2818         r_texture_fogattenuation = NULL;
2819         r_texture_gammaramps = NULL;
2820         //r_texture_fogintensity = NULL;
2821         memset(&r_bloomstate, 0, sizeof(r_bloomstate));
2822         memset(&r_waterstate, 0, sizeof(r_waterstate));
2823         R_GLSL_Restart_f();
2824 }
2825
2826 extern void CL_ParseEntityLump(char *entitystring);
2827 void gl_main_newmap(void)
2828 {
2829         // FIXME: move this code to client
2830         int l;
2831         char *entities, entname[MAX_QPATH];
2832         if (r_qwskincache)
2833                 Mem_Free(r_qwskincache);
2834         r_qwskincache = NULL;
2835         r_qwskincache_size = 0;
2836         if (cl.worldmodel)
2837         {
2838                 strlcpy(entname, cl.worldmodel->name, sizeof(entname));
2839                 l = (int)strlen(entname) - 4;
2840                 if (l >= 0 && !strcmp(entname + l, ".bsp"))
2841                 {
2842                         memcpy(entname + l, ".ent", 5);
2843                         if ((entities = (char *)FS_LoadFile(entname, tempmempool, true, NULL)))
2844                         {
2845                                 CL_ParseEntityLump(entities);
2846                                 Mem_Free(entities);
2847                                 return;
2848                         }
2849                 }
2850                 if (cl.worldmodel->brush.entities)
2851                         CL_ParseEntityLump(cl.worldmodel->brush.entities);
2852         }
2853 }
2854
2855 void GL_Main_Init(void)
2856 {
2857         r_main_mempool = Mem_AllocPool("Renderer", 0, NULL);
2858
2859         Cmd_AddCommand("r_glsl_restart", R_GLSL_Restart_f, "unloads GLSL shaders, they will then be reloaded as needed");
2860         Cmd_AddCommand("r_glsl_dumpshader", R_GLSL_DumpShader_f, "dumps the engine internal default.glsl shader into glsl/default.glsl");
2861         // FIXME: the client should set up r_refdef.fog stuff including the fogmasktable
2862         if (gamemode == GAME_NEHAHRA)
2863         {
2864                 Cvar_RegisterVariable (&gl_fogenable);
2865                 Cvar_RegisterVariable (&gl_fogdensity);
2866                 Cvar_RegisterVariable (&gl_fogred);
2867                 Cvar_RegisterVariable (&gl_foggreen);
2868                 Cvar_RegisterVariable (&gl_fogblue);
2869                 Cvar_RegisterVariable (&gl_fogstart);
2870                 Cvar_RegisterVariable (&gl_fogend);
2871                 Cvar_RegisterVariable (&gl_skyclip);
2872         }
2873         Cvar_RegisterVariable(&r_motionblur);
2874         Cvar_RegisterVariable(&r_motionblur_maxblur);
2875         Cvar_RegisterVariable(&r_motionblur_bmin);
2876         Cvar_RegisterVariable(&r_motionblur_vmin);
2877         Cvar_RegisterVariable(&r_motionblur_vmax);
2878         Cvar_RegisterVariable(&r_motionblur_vcoeff);
2879         Cvar_RegisterVariable(&r_motionblur_randomize);
2880         Cvar_RegisterVariable(&r_damageblur);
2881         Cvar_RegisterVariable(&r_equalize_entities_fullbright);
2882         Cvar_RegisterVariable(&r_equalize_entities_minambient);
2883         Cvar_RegisterVariable(&r_equalize_entities_by);
2884         Cvar_RegisterVariable(&r_equalize_entities_to);
2885         Cvar_RegisterVariable(&r_animcache);
2886         Cvar_RegisterVariable(&r_depthfirst);
2887         Cvar_RegisterVariable(&r_useinfinitefarclip);
2888         Cvar_RegisterVariable(&r_nearclip);
2889         Cvar_RegisterVariable(&r_showbboxes);
2890         Cvar_RegisterVariable(&r_showsurfaces);
2891         Cvar_RegisterVariable(&r_showtris);
2892         Cvar_RegisterVariable(&r_shownormals);
2893         Cvar_RegisterVariable(&r_showlighting);
2894         Cvar_RegisterVariable(&r_showshadowvolumes);
2895         Cvar_RegisterVariable(&r_showcollisionbrushes);
2896         Cvar_RegisterVariable(&r_showcollisionbrushes_polygonfactor);
2897         Cvar_RegisterVariable(&r_showcollisionbrushes_polygonoffset);
2898         Cvar_RegisterVariable(&r_showdisabledepthtest);
2899         Cvar_RegisterVariable(&r_drawportals);
2900         Cvar_RegisterVariable(&r_drawentities);
2901         Cvar_RegisterVariable(&r_cullentities_trace);
2902         Cvar_RegisterVariable(&r_cullentities_trace_samples);
2903         Cvar_RegisterVariable(&r_cullentities_trace_enlarge);
2904         Cvar_RegisterVariable(&r_cullentities_trace_delay);
2905         Cvar_RegisterVariable(&r_drawviewmodel);
2906         Cvar_RegisterVariable(&r_speeds);
2907         Cvar_RegisterVariable(&r_fullbrights);
2908         Cvar_RegisterVariable(&r_wateralpha);
2909         Cvar_RegisterVariable(&r_dynamic);
2910         Cvar_RegisterVariable(&r_fullbright);
2911         Cvar_RegisterVariable(&r_shadows);
2912         Cvar_RegisterVariable(&r_shadows_darken);
2913         Cvar_RegisterVariable(&r_shadows_drawafterrtlighting);
2914         Cvar_RegisterVariable(&r_shadows_castfrombmodels);
2915         Cvar_RegisterVariable(&r_shadows_throwdistance);
2916         Cvar_RegisterVariable(&r_shadows_throwdirection);
2917         Cvar_RegisterVariable(&r_q1bsp_skymasking);
2918         Cvar_RegisterVariable(&r_polygonoffset_submodel_factor);
2919         Cvar_RegisterVariable(&r_polygonoffset_submodel_offset);
2920         Cvar_RegisterVariable(&r_fog_exp2);
2921         Cvar_RegisterVariable(&r_drawfog);
2922         Cvar_RegisterVariable(&r_textureunits);
2923         Cvar_RegisterVariable(&r_glsl);
2924         Cvar_RegisterVariable(&r_glsl_deluxemapping);
2925         Cvar_RegisterVariable(&r_glsl_offsetmapping);
2926         Cvar_RegisterVariable(&r_glsl_offsetmapping_reliefmapping);
2927         Cvar_RegisterVariable(&r_glsl_offsetmapping_scale);
2928         Cvar_RegisterVariable(&r_glsl_postprocess);
2929         Cvar_RegisterVariable(&r_glsl_postprocess_uservec1);
2930         Cvar_RegisterVariable(&r_glsl_postprocess_uservec2);
2931         Cvar_RegisterVariable(&r_glsl_postprocess_uservec3);
2932         Cvar_RegisterVariable(&r_glsl_postprocess_uservec4);
2933         Cvar_RegisterVariable(&r_glsl_usegeneric);
2934         Cvar_RegisterVariable(&r_water);
2935         Cvar_RegisterVariable(&r_water_resolutionmultiplier);
2936         Cvar_RegisterVariable(&r_water_clippingplanebias);
2937         Cvar_RegisterVariable(&r_water_refractdistort);
2938         Cvar_RegisterVariable(&r_water_reflectdistort);
2939         Cvar_RegisterVariable(&r_lerpsprites);
2940         Cvar_RegisterVariable(&r_lerpmodels);
2941         Cvar_RegisterVariable(&r_lerplightstyles);
2942         Cvar_RegisterVariable(&r_waterscroll);
2943         Cvar_RegisterVariable(&r_bloom);
2944         Cvar_RegisterVariable(&r_bloom_colorscale);
2945         Cvar_RegisterVariable(&r_bloom_brighten);
2946         Cvar_RegisterVariable(&r_bloom_blur);
2947         Cvar_RegisterVariable(&r_bloom_resolution);
2948         Cvar_RegisterVariable(&r_bloom_colorexponent);
2949         Cvar_RegisterVariable(&r_bloom_colorsubtract);
2950         Cvar_RegisterVariable(&r_hdr);
2951         Cvar_RegisterVariable(&r_hdr_scenebrightness);
2952         Cvar_RegisterVariable(&r_hdr_glowintensity);
2953         Cvar_RegisterVariable(&r_hdr_range);
2954         Cvar_RegisterVariable(&r_smoothnormals_areaweighting);
2955         Cvar_RegisterVariable(&developer_texturelogging);
2956         Cvar_RegisterVariable(&gl_lightmaps);
2957         Cvar_RegisterVariable(&r_test);
2958         Cvar_RegisterVariable(&r_batchmode);
2959         Cvar_RegisterVariable(&r_glsl_saturation);
2960         if (gamemode == GAME_NEHAHRA || gamemode == GAME_TENEBRAE)
2961                 Cvar_SetValue("r_fullbrights", 0);
2962         R_RegisterModule("GL_Main", gl_main_start, gl_main_shutdown, gl_main_newmap);
2963
2964         Cvar_RegisterVariable(&r_track_sprites);
2965         Cvar_RegisterVariable(&r_track_sprites_flags);
2966         Cvar_RegisterVariable(&r_track_sprites_scalew);
2967         Cvar_RegisterVariable(&r_track_sprites_scaleh);
2968 }
2969
2970 extern void R_Textures_Init(void);
2971 extern void GL_Draw_Init(void);
2972 extern void GL_Main_Init(void);
2973 extern void R_Shadow_Init(void);
2974 extern void R_Sky_Init(void);
2975 extern void GL_Surf_Init(void);
2976 extern void R_Particles_Init(void);
2977 extern void R_Explosion_Init(void);
2978 extern void gl_backend_init(void);
2979 extern void Sbar_Init(void);
2980 extern void R_LightningBeams_Init(void);
2981 extern void Mod_RenderInit(void);
2982
2983 void Render_Init(void)
2984 {
2985         gl_backend_init();
2986         R_Textures_Init();
2987         GL_Main_Init();
2988         GL_Draw_Init();
2989         R_Shadow_Init();
2990         R_Sky_Init();
2991         GL_Surf_Init();
2992         Sbar_Init();
2993         R_Particles_Init();
2994         R_Explosion_Init();
2995         R_LightningBeams_Init();
2996         Mod_RenderInit();
2997 }
2998
2999 /*
3000 ===============
3001 GL_Init
3002 ===============
3003 */
3004 extern char *ENGINE_EXTENSIONS;
3005 void GL_Init (void)
3006 {
3007         gl_renderer = (const char *)qglGetString(GL_RENDERER);
3008         gl_vendor = (const char *)qglGetString(GL_VENDOR);
3009         gl_version = (const char *)qglGetString(GL_VERSION);
3010         gl_extensions = (const char *)qglGetString(GL_EXTENSIONS);
3011
3012         if (!gl_extensions)
3013                 gl_extensions = "";
3014         if (!gl_platformextensions)
3015                 gl_platformextensions = "";
3016
3017         Con_Printf("GL_VENDOR: %s\n", gl_vendor);
3018         Con_Printf("GL_RENDERER: %s\n", gl_renderer);
3019         Con_Printf("GL_VERSION: %s\n", gl_version);
3020         Con_DPrintf("GL_EXTENSIONS: %s\n", gl_extensions);
3021         Con_DPrintf("%s_EXTENSIONS: %s\n", gl_platform, gl_platformextensions);
3022
3023         VID_CheckExtensions();
3024
3025         // LordHavoc: report supported extensions
3026         Con_DPrintf("\nQuakeC extensions for server and client: %s\nQuakeC extensions for menu: %s\n", vm_sv_extensions, vm_m_extensions );
3027
3028         // clear to black (loading plaque will be seen over this)
3029         CHECKGLERROR
3030         qglClearColor(0,0,0,1);CHECKGLERROR
3031         qglClear(GL_COLOR_BUFFER_BIT);CHECKGLERROR
3032 }
3033
3034 int R_CullBox(const vec3_t mins, const vec3_t maxs)
3035 {
3036         int i;
3037         mplane_t *p;
3038         for (i = 0;i < r_refdef.view.numfrustumplanes;i++)
3039         {
3040                 // skip nearclip plane, it often culls portals when you are very close, and is almost never useful
3041                 if (i == 4)
3042                         continue;
3043                 p = r_refdef.view.frustum + i;
3044                 switch(p->signbits)
3045                 {
3046                 default:
3047                 case 0:
3048                         if (p->normal[0]*maxs[0] + p->normal[1]*maxs[1] + p->normal[2]*maxs[2] < p->dist)
3049                                 return true;
3050                         break;
3051                 case 1:
3052                         if (p->normal[0]*mins[0] + p->normal[1]*maxs[1] + p->normal[2]*maxs[2] < p->dist)
3053                                 return true;
3054                         break;
3055                 case 2:
3056                         if (p->normal[0]*maxs[0] + p->normal[1]*mins[1] + p->normal[2]*maxs[2] < p->dist)
3057                                 return true;
3058                         break;
3059                 case 3:
3060                         if (p->normal[0]*mins[0] + p->normal[1]*mins[1] + p->normal[2]*maxs[2] < p->dist)
3061                                 return true;
3062                         break;
3063                 case 4:
3064                         if (p->normal[0]*maxs[0] + p->normal[1]*maxs[1] + p->normal[2]*mins[2] < p->dist)
3065                                 return true;
3066                         break;
3067                 case 5:
3068                         if (p->normal[0]*mins[0] + p->normal[1]*maxs[1] + p->normal[2]*mins[2] < p->dist)
3069                                 return true;
3070                         break;
3071                 case 6:
3072                         if (p->normal[0]*maxs[0] + p->normal[1]*mins[1] + p->normal[2]*mins[2] < p->dist)
3073                                 return true;
3074                         break;
3075                 case 7:
3076                         if (p->normal[0]*mins[0] + p->normal[1]*mins[1] + p->normal[2]*mins[2] < p->dist)
3077                                 return true;
3078                         break;
3079                 }
3080         }
3081         return false;
3082 }
3083
3084 int R_CullBoxCustomPlanes(const vec3_t mins, const vec3_t maxs, int numplanes, const mplane_t *planes)
3085 {
3086         int i;
3087         const mplane_t *p;
3088         for (i = 0;i < numplanes;i++)
3089         {
3090                 p = planes + i;
3091                 switch(p->signbits)
3092                 {
3093                 default:
3094                 case 0:
3095                         if (p->normal[0]*maxs[0] + p->normal[1]*maxs[1] + p->normal[2]*maxs[2] < p->dist)
3096                                 return true;
3097                         break;
3098                 case 1:
3099                         if (p->normal[0]*mins[0] + p->normal[1]*maxs[1] + p->normal[2]*maxs[2] < p->dist)
3100                                 return true;
3101                         break;
3102                 case 2:
3103                         if (p->normal[0]*maxs[0] + p->normal[1]*mins[1] + p->normal[2]*maxs[2] < p->dist)
3104                                 return true;
3105                         break;
3106                 case 3:
3107                         if (p->normal[0]*mins[0] + p->normal[1]*mins[1] + p->normal[2]*maxs[2] < p->dist)
3108                                 return true;
3109                         break;
3110                 case 4:
3111                         if (p->normal[0]*maxs[0] + p->normal[1]*maxs[1] + p->normal[2]*mins[2] < p->dist)
3112                                 return true;
3113                         break;
3114                 case 5:
3115                         if (p->normal[0]*mins[0] + p->normal[1]*maxs[1] + p->normal[2]*mins[2] < p->dist)
3116                                 return true;
3117                         break;
3118                 case 6:
3119                         if (p->normal[0]*maxs[0] + p->normal[1]*mins[1] + p->normal[2]*mins[2] < p->dist)
3120                                 return true;
3121                         break;
3122                 case 7:
3123                         if (p->normal[0]*mins[0] + p->normal[1]*mins[1] + p->normal[2]*mins[2] < p->dist)
3124                                 return true;
3125                         break;
3126                 }
3127         }
3128         return false;
3129 }
3130
3131 //==================================================================================
3132
3133 // LordHavoc: animcache written by Echon, refactored and reformatted by me
3134
3135 /**
3136  * Animation cache helps save re-animating a player mesh if it's re-rendered again in a given frame
3137  * (reflections, lighting, etc). All animation cache becomes invalid on the next frame and is flushed
3138  * (well, over-wrote). The memory for each cache is kept around to save on allocation thrashing.
3139  */
3140
3141 typedef struct r_animcache_entity_s
3142 {
3143         float *vertex3f;
3144         float *normal3f;
3145         float *svector3f;
3146         float *tvector3f;
3147         int maxvertices;
3148         qboolean wantnormals;
3149         qboolean wanttangents;
3150 }
3151 r_animcache_entity_t;
3152
3153 typedef struct r_animcache_s
3154 {
3155         r_animcache_entity_t entity[MAX_EDICTS*2];
3156         int maxindex;
3157         int currentindex;
3158 }
3159 r_animcache_t;
3160
3161 static r_animcache_t r_animcachestate;
3162
3163 void R_AnimCache_Free(void)
3164 {
3165         int idx;
3166         for (idx=0 ; idx<r_animcachestate.maxindex ; idx++)
3167         {
3168                 r_animcachestate.entity[idx].maxvertices = 0;
3169                 Mem_Free(r_animcachestate.entity[idx].vertex3f);
3170                 r_animcachestate.entity[idx].vertex3f = NULL;
3171                 r_animcachestate.entity[idx].normal3f = NULL;
3172                 r_animcachestate.entity[idx].svector3f = NULL;
3173                 r_animcachestate.entity[idx].tvector3f = NULL;
3174         }
3175         r_animcachestate.currentindex = 0;
3176         r_animcachestate.maxindex = 0;
3177 }
3178
3179 void R_AnimCache_ResizeEntityCache(const int cacheIdx, const int numvertices)
3180 {
3181         int arraySize;
3182         float *base;
3183         r_animcache_entity_t *cache = &r_animcachestate.entity[cacheIdx];
3184
3185         if (cache->maxvertices >= numvertices)
3186                 return;
3187
3188         // Release existing memory
3189         if (cache->vertex3f)
3190                 Mem_Free(cache->vertex3f);
3191
3192         // Pad by 1024 verts
3193         cache->maxvertices = (numvertices + 1023) & ~1023;
3194         arraySize = cache->maxvertices * 3;
3195
3196         // Allocate, even if we don't need this memory in this instance it will get ignored and potentially used later
3197         base = (float *)Mem_Alloc(r_main_mempool, arraySize * sizeof(float) * 4);
3198         r_animcachestate.entity[cacheIdx].vertex3f = base;
3199         r_animcachestate.entity[cacheIdx].normal3f = base + arraySize;
3200         r_animcachestate.entity[cacheIdx].svector3f = base + arraySize*2;
3201         r_animcachestate.entity[cacheIdx].tvector3f = base + arraySize*3;
3202
3203 //      Con_Printf("allocated cache for %i (%f KB)\n", cacheIdx, (arraySize*sizeof(float)*4)/1024.0f);
3204 }
3205
3206 void R_AnimCache_NewFrame(void)
3207 {
3208         int i;
3209
3210         if (r_animcache.integer && r_drawentities.integer)
3211                 r_animcachestate.maxindex = sizeof(r_animcachestate.entity) / sizeof(r_animcachestate.entity[0]);
3212         else if (r_animcachestate.maxindex)
3213                 R_AnimCache_Free();
3214
3215         r_animcachestate.currentindex = 0;
3216
3217         for (i = 0;i < r_refdef.scene.numentities;i++)
3218                 r_refdef.scene.entities[i]->animcacheindex = -1;
3219 }
3220
3221 qboolean R_AnimCache_GetEntity(entity_render_t *ent, qboolean wantnormals, qboolean wanttangents)
3222 {
3223         dp_model_t *model = ent->model;
3224         r_animcache_entity_t *c;
3225         // see if it's already cached this frame
3226         if (ent->animcacheindex >= 0)
3227         {
3228                 // add normals/tangents if needed
3229                 c = r_animcachestate.entity + ent->animcacheindex;
3230                 if (c->wantnormals)
3231                         wantnormals = false;
3232                 if (c->wanttangents)
3233                         wanttangents = false;
3234                 if (wantnormals || wanttangents)
3235                         model->AnimateVertices(model, ent->frameblend, NULL, wantnormals ? c->normal3f : NULL, wanttangents ? c->svector3f : NULL, wanttangents ? c->tvector3f : NULL);
3236         }
3237         else
3238         {
3239                 // see if this ent is worth caching
3240                 if (r_animcachestate.maxindex <= r_animcachestate.currentindex)
3241                         return false;
3242                 if (!model || !model->Draw || !model->surfmesh.isanimated || !model->AnimateVertices || (ent->frameblend[0].lerp == 1 && ent->frameblend[0].subframe == 0))
3243                         return false;
3244                 // assign it a cache entry and make sure the arrays are big enough
3245                 R_AnimCache_ResizeEntityCache(r_animcachestate.currentindex, model->surfmesh.num_vertices);
3246                 ent->animcacheindex = r_animcachestate.currentindex++;
3247                 c = r_animcachestate.entity + ent->animcacheindex;
3248                 c->wantnormals = wantnormals;
3249                 c->wanttangents = wanttangents;
3250                 model->AnimateVertices(model, ent->frameblend, c->vertex3f, wantnormals ? c->normal3f : NULL, wanttangents ? c->svector3f : NULL, wanttangents ? c->tvector3f : NULL);
3251         }
3252         return true;
3253 }
3254
3255 void R_AnimCache_CacheVisibleEntities(void)
3256 {
3257         int i;
3258         qboolean wantnormals;
3259         qboolean wanttangents;
3260
3261         if (!r_animcachestate.maxindex)
3262                 return;
3263
3264         wantnormals = !r_showsurfaces.integer;
3265         wanttangents = !r_showsurfaces.integer && (r_glsl.integer || r_refdef.scene.rtworld || r_refdef.scene.rtdlight);
3266
3267         // TODO: thread this?
3268
3269         for (i = 0;i < r_refdef.scene.numentities;i++)
3270         {
3271                 if (!r_refdef.viewcache.entityvisible[i])
3272                         continue;
3273                 R_AnimCache_GetEntity(r_refdef.scene.entities[i], wantnormals, wanttangents);
3274         }
3275 }
3276
3277 //==================================================================================
3278
3279 static void R_View_UpdateEntityLighting (void)
3280 {
3281         int i;
3282         entity_render_t *ent;
3283         vec3_t tempdiffusenormal, avg;
3284         vec_t f, fa, fd, fdd;
3285
3286         for (i = 0;i < r_refdef.scene.numentities;i++)
3287         {
3288                 ent = r_refdef.scene.entities[i];
3289
3290                 // skip unseen models
3291                 if (!r_refdef.viewcache.entityvisible[i] && r_shadows.integer != 1)
3292                         continue;
3293
3294                 // skip bsp models
3295                 if (ent->model && ent->model->brush.num_leafs)
3296                 {
3297                         // TODO: use modellight for r_ambient settings on world?
3298                         VectorSet(ent->modellight_ambient, 0, 0, 0);
3299                         VectorSet(ent->modellight_diffuse, 0, 0, 0);
3300                         VectorSet(ent->modellight_lightdir, 0, 0, 1);
3301                         continue;
3302                 }
3303
3304                 // fetch the lighting from the worldmodel data
3305                 VectorSet(ent->modellight_ambient, r_refdef.scene.ambient * (2.0f / 128.0f), r_refdef.scene.ambient * (2.0f / 128.0f), r_refdef.scene.ambient * (2.0f / 128.0f));
3306                 VectorClear(ent->modellight_diffuse);
3307                 VectorClear(tempdiffusenormal);
3308                 if ((ent->flags & RENDER_LIGHT) && r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->brush.LightPoint)
3309                 {
3310                         vec3_t org;
3311                         Matrix4x4_OriginFromMatrix(&ent->matrix, org);
3312                         r_refdef.scene.worldmodel->brush.LightPoint(r_refdef.scene.worldmodel, org, ent->modellight_ambient, ent->modellight_diffuse, tempdiffusenormal);
3313                         if(ent->flags & RENDER_EQUALIZE)
3314                         {
3315                                 // first fix up ambient lighting...
3316                                 if(r_equalize_entities_minambient.value > 0)
3317                                 {
3318                                         fd = 0.299f * ent->modellight_diffuse[0] + 0.587f * ent->modellight_diffuse[1] + 0.114f * ent->modellight_diffuse[2];
3319                                         if(fd > 0)
3320                                         {
3321                                                 fa = (0.299f * ent->modellight_ambient[0] + 0.587f * ent->modellight_ambient[1] + 0.114f * ent->modellight_ambient[2]);
3322                                                 if(fa < r_equalize_entities_minambient.value * fd)
3323                                                 {
3324                                                         // solve:
3325                                                         //   fa'/fd' = minambient
3326                                                         //   fa'+0.25*fd' = fa+0.25*fd
3327                                                         //   ...
3328                                                         //   fa' = fd' * minambient
3329                                                         //   fd'*(0.25+minambient) = fa+0.25*fd
3330                                                         //   ...
3331                                                         //   fd' = (fa+0.25*fd) * 1 / (0.25+minambient)
3332                                                         //   fa' = (fa+0.25*fd) * minambient / (0.25+minambient)
3333                                                         //   ...
3334                                                         fdd = (fa + 0.25f * fd) / (0.25f + r_equalize_entities_minambient.value);
3335                                                         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
3336                                                         VectorMA(ent->modellight_ambient, (1-f)*0.25f, ent->modellight_diffuse, ent->modellight_ambient);
3337                                                         VectorScale(ent->modellight_diffuse, f, ent->modellight_diffuse);
3338                                                 }
3339                                         }
3340                                 }
3341
3342                                 if(r_equalize_entities_to.value > 0 && r_equalize_entities_by.value != 0)
3343                                 {
3344                                         VectorMA(ent->modellight_ambient, 0.25f, ent->modellight_diffuse, avg);
3345                                         f = 0.299f * avg[0] + 0.587f * avg[1] + 0.114f * avg[2];
3346                                         if(f > 0)
3347                                         {
3348                                                 f = pow(f / r_equalize_entities_to.value, -r_equalize_entities_by.value);
3349                                                 VectorScale(ent->modellight_ambient, f, ent->modellight_ambient);
3350                                                 VectorScale(ent->modellight_diffuse, f, ent->modellight_diffuse);
3351                                         }
3352                                 }
3353                         }
3354                 }
3355                 else // highly rare
3356                         VectorSet(ent->modellight_ambient, 1, 1, 1);
3357
3358                 // move the light direction into modelspace coordinates for lighting code
3359                 Matrix4x4_Transform3x3(&ent->inversematrix, tempdiffusenormal, ent->modellight_lightdir);
3360                 if(VectorLength2(ent->modellight_lightdir) == 0)
3361                         VectorSet(ent->modellight_lightdir, 0, 0, 1); // have to set SOME valid vector here
3362                 VectorNormalize(ent->modellight_lightdir);
3363         }
3364 }
3365
3366 #define MAX_LINEOFSIGHTTRACES 64
3367
3368 static qboolean R_CanSeeBox(int numsamples, vec_t enlarge, vec3_t eye, vec3_t entboxmins, vec3_t entboxmaxs)
3369 {
3370         int i;
3371         vec3_t boxmins, boxmaxs;
3372         vec3_t start;
3373         vec3_t end;
3374         dp_model_t *model = r_refdef.scene.worldmodel;
3375
3376         if (!model || !model->brush.TraceLineOfSight)
3377                 return true;
3378
3379         // expand the box a little
3380         boxmins[0] = (enlarge+1) * entboxmins[0] - enlarge * entboxmaxs[0];
3381         boxmaxs[0] = (enlarge+1) * entboxmaxs[0] - enlarge * entboxmins[0];
3382         boxmins[1] = (enlarge+1) * entboxmins[1] - enlarge * entboxmaxs[1];
3383         boxmaxs[1] = (enlarge+1) * entboxmaxs[1] - enlarge * entboxmins[1];
3384         boxmins[2] = (enlarge+1) * entboxmins[2] - enlarge * entboxmaxs[2];
3385         boxmaxs[2] = (enlarge+1) * entboxmaxs[2] - enlarge * entboxmins[2];
3386
3387         // try center
3388         VectorCopy(eye, start);
3389         VectorMAM(0.5f, boxmins, 0.5f, boxmaxs, end);
3390         if (model->brush.TraceLineOfSight(model, start, end))
3391                 return true;
3392
3393         // try various random positions
3394         for (i = 0;i < numsamples;i++)
3395         {
3396                 VectorSet(end, lhrandom(boxmins[0], boxmaxs[0]), lhrandom(boxmins[1], boxmaxs[1]), lhrandom(boxmins[2], boxmaxs[2]));
3397                 if (model->brush.TraceLineOfSight(model, start, end))
3398                         return true;
3399         }
3400
3401         return false;
3402 }
3403
3404
3405 static void R_View_UpdateEntityVisible (void)
3406 {
3407         int i, renderimask;
3408         entity_render_t *ent;
3409
3410         if (!r_drawentities.integer)
3411                 return;
3412
3413         renderimask = r_refdef.envmap ? (RENDER_EXTERIORMODEL | RENDER_VIEWMODEL) : ((chase_active.integer || r_waterstate.renderingscene) ? RENDER_VIEWMODEL : RENDER_EXTERIORMODEL);
3414         if (r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->brush.BoxTouchingVisibleLeafs)
3415         {
3416                 // worldmodel can check visibility
3417                 memset(r_refdef.viewcache.entityvisible, 0, r_refdef.scene.numentities);
3418                 for (i = 0;i < r_refdef.scene.numentities;i++)
3419                 {
3420                         ent = r_refdef.scene.entities[i];
3421                         if (!(ent->flags & renderimask))
3422                         if (!R_CullBox(ent->mins, ent->maxs) || (ent->model->type == mod_sprite && (ent->model->sprite.sprnum_type == SPR_LABEL || ent->model->sprite.sprnum_type == SPR_LABEL_SCALE)))
3423                         if ((ent->flags & (RENDER_NODEPTHTEST | RENDER_VIEWMODEL)) || r_refdef.scene.worldmodel->brush.BoxTouchingVisibleLeafs(r_refdef.scene.worldmodel, r_refdef.viewcache.world_leafvisible, ent->mins, ent->maxs))
3424                                 r_refdef.viewcache.entityvisible[i] = true;
3425                 }
3426                 if(r_cullentities_trace.integer && r_refdef.scene.worldmodel->brush.TraceLineOfSight)
3427                 {
3428                         for (i = 0;i < r_refdef.scene.numentities;i++)
3429                         {
3430                                 ent = r_refdef.scene.entities[i];
3431                                 if(r_refdef.viewcache.entityvisible[i] && !(ent->flags & (RENDER_VIEWMODEL | RENDER_NOCULL | RENDER_NODEPTHTEST)) && !(ent->model && (ent->model->name[0] == '*')))
3432                                 {
3433                                         if(R_CanSeeBox(r_cullentities_trace_samples.integer, r_cullentities_trace_enlarge.value, r_refdef.view.origin, ent->mins, ent->maxs))
3434                                                 ent->last_trace_visibility = realtime;
3435                                         if(ent->last_trace_visibility < realtime - r_cullentities_trace_delay.value)
3436                                                 r_refdef.viewcache.entityvisible[i] = 0;
3437                                 }
3438                         }
3439                 }
3440         }
3441         else
3442         {
3443                 // no worldmodel or it can't check visibility
3444                 for (i = 0;i < r_refdef.scene.numentities;i++)
3445                 {
3446                         ent = r_refdef.scene.entities[i];
3447                         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));
3448                 }
3449         }
3450 }
3451
3452 /// only used if skyrendermasked, and normally returns false
3453 int R_DrawBrushModelsSky (void)
3454 {
3455         int i, sky;
3456         entity_render_t *ent;
3457
3458         if (!r_drawentities.integer)
3459                 return false;
3460
3461         sky = false;
3462         for (i = 0;i < r_refdef.scene.numentities;i++)
3463         {
3464                 if (!r_refdef.viewcache.entityvisible[i])
3465                         continue;
3466                 ent = r_refdef.scene.entities[i];
3467                 if (!ent->model || !ent->model->DrawSky)
3468                         continue;
3469                 ent->model->DrawSky(ent);
3470                 sky = true;
3471         }
3472         return sky;
3473 }
3474
3475 static void R_DrawNoModel(entity_render_t *ent);
3476 static void R_DrawModels(void)
3477 {
3478         int i;
3479         entity_render_t *ent;
3480
3481         if (!r_drawentities.integer)
3482                 return;
3483
3484         for (i = 0;i < r_refdef.scene.numentities;i++)
3485         {
3486                 if (!r_refdef.viewcache.entityvisible[i])
3487                         continue;
3488                 ent = r_refdef.scene.entities[i];
3489                 r_refdef.stats.entities++;
3490                 if (ent->model && ent->model->Draw != NULL)
3491                         ent->model->Draw(ent);
3492                 else
3493                         R_DrawNoModel(ent);
3494         }
3495 }
3496
3497 static void R_DrawModelsDepth(void)
3498 {
3499         int i;
3500         entity_render_t *ent;
3501
3502         if (!r_drawentities.integer)
3503                 return;
3504
3505         for (i = 0;i < r_refdef.scene.numentities;i++)
3506         {
3507                 if (!r_refdef.viewcache.entityvisible[i])
3508                         continue;
3509                 ent = r_refdef.scene.entities[i];
3510                 if (ent->model && ent->model->DrawDepth != NULL)
3511                         ent->model->DrawDepth(ent);
3512         }
3513 }
3514
3515 static void R_DrawModelsDebug(void)
3516 {
3517         int i;
3518         entity_render_t *ent;
3519
3520         if (!r_drawentities.integer)
3521                 return;
3522
3523         for (i = 0;i < r_refdef.scene.numentities;i++)
3524         {
3525                 if (!r_refdef.viewcache.entityvisible[i])
3526                         continue;
3527                 ent = r_refdef.scene.entities[i];
3528                 if (ent->model && ent->model->DrawDebug != NULL)
3529                         ent->model->DrawDebug(ent);
3530         }
3531 }
3532
3533 static void R_DrawModelsAddWaterPlanes(void)
3534 {
3535         int i;
3536         entity_render_t *ent;
3537
3538         if (!r_drawentities.integer)
3539                 return;
3540
3541         for (i = 0;i < r_refdef.scene.numentities;i++)
3542         {
3543                 if (!r_refdef.viewcache.entityvisible[i])
3544                         continue;
3545                 ent = r_refdef.scene.entities[i];
3546                 if (ent->model && ent->model->DrawAddWaterPlanes != NULL)
3547                         ent->model->DrawAddWaterPlanes(ent);
3548         }
3549 }
3550
3551 static void R_View_SetFrustum(void)
3552 {
3553         int i;
3554         double slopex, slopey;
3555         vec3_t forward, left, up, origin;
3556
3557         // we can't trust r_refdef.view.forward and friends in reflected scenes
3558         Matrix4x4_ToVectors(&r_refdef.view.matrix, forward, left, up, origin);
3559
3560 #if 0
3561         r_refdef.view.frustum[0].normal[0] = 0 - 1.0 / r_refdef.view.frustum_x;
3562         r_refdef.view.frustum[0].normal[1] = 0 - 0;
3563         r_refdef.view.frustum[0].normal[2] = -1 - 0;
3564         r_refdef.view.frustum[1].normal[0] = 0 + 1.0 / r_refdef.view.frustum_x;
3565         r_refdef.view.frustum[1].normal[1] = 0 + 0;
3566         r_refdef.view.frustum[1].normal[2] = -1 + 0;
3567         r_refdef.view.frustum[2].normal[0] = 0 - 0;
3568         r_refdef.view.frustum[2].normal[1] = 0 - 1.0 / r_refdef.view.frustum_y;
3569         r_refdef.view.frustum[2].normal[2] = -1 - 0;
3570         r_refdef.view.frustum[3].normal[0] = 0 + 0;
3571         r_refdef.view.frustum[3].normal[1] = 0 + 1.0 / r_refdef.view.frustum_y;
3572         r_refdef.view.frustum[3].normal[2] = -1 + 0;
3573 #endif
3574
3575 #if 0
3576         zNear = r_refdef.nearclip;
3577         nudge = 1.0 - 1.0 / (1<<23);
3578         r_refdef.view.frustum[4].normal[0] = 0 - 0;
3579         r_refdef.view.frustum[4].normal[1] = 0 - 0;
3580         r_refdef.view.frustum[4].normal[2] = -1 - -nudge;
3581         r_refdef.view.frustum[4].dist = 0 - -2 * zNear * nudge;
3582         r_refdef.view.frustum[5].normal[0] = 0 + 0;
3583         r_refdef.view.frustum[5].normal[1] = 0 + 0;
3584         r_refdef.view.frustum[5].normal[2] = -1 + -nudge;
3585         r_refdef.view.frustum[5].dist = 0 + -2 * zNear * nudge;
3586 #endif
3587
3588
3589
3590 #if 0
3591         r_refdef.view.frustum[0].normal[0] = m[3] - m[0];
3592         r_refdef.view.frustum[0].normal[1] = m[7] - m[4];
3593         r_refdef.view.frustum[0].normal[2] = m[11] - m[8];
3594         r_refdef.view.frustum[0].dist = m[15] - m[12];
3595
3596         r_refdef.view.frustum[1].normal[0] = m[3] + m[0];
3597         r_refdef.view.frustum[1].normal[1] = m[7] + m[4];
3598         r_refdef.view.frustum[1].normal[2] = m[11] + m[8];
3599         r_refdef.view.frustum[1].dist = m[15] + m[12];
3600
3601         r_refdef.view.frustum[2].normal[0] = m[3] - m[1];
3602         r_refdef.view.frustum[2].normal[1] = m[7] - m[5];
3603         r_refdef.view.frustum[2].normal[2] = m[11] - m[9];
3604         r_refdef.view.frustum[2].dist = m[15] - m[13];
3605
3606         r_refdef.view.frustum[3].normal[0] = m[3] + m[1];
3607         r_refdef.view.frustum[3].normal[1] = m[7] + m[5];
3608         r_refdef.view.frustum[3].normal[2] = m[11] + m[9];
3609         r_refdef.view.frustum[3].dist = m[15] + m[13];
3610
3611         r_refdef.view.frustum[4].normal[0] = m[3] - m[2];
3612         r_refdef.view.frustum[4].normal[1] = m[7] - m[6];
3613         r_refdef.view.frustum[4].normal[2] = m[11] - m[10];
3614         r_refdef.view.frustum[4].dist = m[15] - m[14];
3615
3616         r_refdef.view.frustum[5].normal[0] = m[3] + m[2];
3617         r_refdef.view.frustum[5].normal[1] = m[7] + m[6];
3618         r_refdef.view.frustum[5].normal[2] = m[11] + m[10];
3619         r_refdef.view.frustum[5].dist = m[15] + m[14];
3620 #endif
3621
3622         if (r_refdef.view.useperspective)
3623         {
3624                 slopex = 1.0 / r_refdef.view.frustum_x;
3625                 slopey = 1.0 / r_refdef.view.frustum_y;
3626                 VectorMA(forward, -slopex, left, r_refdef.view.frustum[0].normal);
3627                 VectorMA(forward,  slopex, left, r_refdef.view.frustum[1].normal);
3628                 VectorMA(forward, -slopey, up  , r_refdef.view.frustum[2].normal);
3629                 VectorMA(forward,  slopey, up  , r_refdef.view.frustum[3].normal);
3630                 VectorCopy(forward, r_refdef.view.frustum[4].normal);
3631
3632                 // Leaving those out was a mistake, those were in the old code, and they
3633                 // fix a reproducable bug in this one: frustum culling got fucked up when viewmatrix was an identity matrix
3634                 // I couldn't reproduce it after adding those normalizations. --blub
3635                 VectorNormalize(r_refdef.view.frustum[0].normal);
3636                 VectorNormalize(r_refdef.view.frustum[1].normal);
3637                 VectorNormalize(r_refdef.view.frustum[2].normal);
3638                 VectorNormalize(r_refdef.view.frustum[3].normal);
3639
3640                 // calculate frustum corners, which are used to calculate deformed frustum planes for shadow caster culling
3641                 VectorMAMAMAM(1, r_refdef.view.origin, 1024, forward, -1024 * r_refdef.view.frustum_x, left, -1024 * r_refdef.view.frustum_y, up, r_refdef.view.frustumcorner[0]);
3642                 VectorMAMAMAM(1, r_refdef.view.origin, 1024, forward,  1024 * r_refdef.view.frustum_x, left, -1024 * r_refdef.view.frustum_y, up, r_refdef.view.frustumcorner[1]);
3643                 VectorMAMAMAM(1, r_refdef.view.origin, 1024, forward, -1024 * r_refdef.view.frustum_x, left,  1024 * r_refdef.view.frustum_y, up, r_refdef.view.frustumcorner[2]);
3644                 VectorMAMAMAM(1, r_refdef.view.origin, 1024, forward,  1024 * r_refdef.view.frustum_x, left,  1024 * r_refdef.view.frustum_y, up, r_refdef.view.frustumcorner[3]);
3645
3646                 r_refdef.view.frustum[0].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[0].normal);
3647                 r_refdef.view.frustum[1].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[1].normal);
3648                 r_refdef.view.frustum[2].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[2].normal);
3649                 r_refdef.view.frustum[3].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[3].normal);
3650                 r_refdef.view.frustum[4].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[4].normal) + r_refdef.nearclip;
3651         }
3652         else
3653         {
3654                 VectorScale(left, -r_refdef.view.ortho_x, r_refdef.view.frustum[0].normal);
3655                 VectorScale(left,  r_refdef.view.ortho_x, r_refdef.view.frustum[1].normal);
3656                 VectorScale(up, -r_refdef.view.ortho_y, r_refdef.view.frustum[2].normal);
3657                 VectorScale(up,  r_refdef.view.ortho_y, r_refdef.view.frustum[3].normal);
3658                 VectorCopy(forward, r_refdef.view.frustum[4].normal);
3659                 r_refdef.view.frustum[0].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[0].normal) + r_refdef.view.ortho_x;
3660                 r_refdef.view.frustum[1].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[1].normal) + r_refdef.view.ortho_x;
3661                 r_refdef.view.frustum[2].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[2].normal) + r_refdef.view.ortho_y;
3662                 r_refdef.view.frustum[3].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[3].normal) + r_refdef.view.ortho_y;
3663                 r_refdef.view.frustum[4].dist = DotProduct (r_refdef.view.origin, r_refdef.view.frustum[4].normal) + r_refdef.nearclip;
3664         }
3665         r_refdef.view.numfrustumplanes = 5;
3666
3667         if (r_refdef.view.useclipplane)
3668         {
3669                 r_refdef.view.numfrustumplanes = 6;
3670                 r_refdef.view.frustum[5] = r_refdef.view.clipplane;
3671         }
3672
3673         for (i = 0;i < r_refdef.view.numfrustumplanes;i++)
3674                 PlaneClassify(r_refdef.view.frustum + i);
3675
3676         // LordHavoc: note to all quake engine coders, Quake had a special case
3677         // for 90 degrees which assumed a square view (wrong), so I removed it,
3678         // Quake2 has it disabled as well.
3679
3680         // rotate R_VIEWFORWARD right by FOV_X/2 degrees
3681         //RotatePointAroundVector( r_refdef.view.frustum[0].normal, up, forward, -(90 - r_refdef.fov_x / 2));
3682         //r_refdef.view.frustum[0].dist = DotProduct (r_refdef.view.origin, frustum[0].normal);
3683         //PlaneClassify(&frustum[0]);
3684
3685         // rotate R_VIEWFORWARD left by FOV_X/2 degrees
3686         //RotatePointAroundVector( r_refdef.view.frustum[1].normal, up, forward, (90 - r_refdef.fov_x / 2));
3687         //r_refdef.view.frustum[1].dist = DotProduct (r_refdef.view.origin, frustum[1].normal);
3688         //PlaneClassify(&frustum[1]);
3689
3690         // rotate R_VIEWFORWARD up by FOV_X/2 degrees
3691         //RotatePointAroundVector( r_refdef.view.frustum[2].normal, left, forward, -(90 - r_refdef.fov_y / 2));
3692         //r_refdef.view.frustum[2].dist = DotProduct (r_refdef.view.origin, frustum[2].normal);
3693         //PlaneClassify(&frustum[2]);
3694
3695         // rotate R_VIEWFORWARD down by FOV_X/2 degrees
3696         //RotatePointAroundVector( r_refdef.view.frustum[3].normal, left, forward, (90 - r_refdef.fov_y / 2));
3697         //r_refdef.view.frustum[3].dist = DotProduct (r_refdef.view.origin, frustum[3].normal);
3698         //PlaneClassify(&frustum[3]);
3699
3700         // nearclip plane
3701         //VectorCopy(forward, r_refdef.view.frustum[4].normal);
3702         //r_refdef.view.frustum[4].dist = DotProduct (r_refdef.view.origin, frustum[4].normal) + r_nearclip.value;
3703         //PlaneClassify(&frustum[4]);
3704 }
3705
3706 void R_View_Update(void)
3707 {
3708         R_View_SetFrustum();
3709         R_View_WorldVisibility(r_refdef.view.useclipplane);
3710         R_View_UpdateEntityVisible();
3711         R_View_UpdateEntityLighting();
3712 }
3713
3714 void R_SetupView(qboolean allowwaterclippingplane)
3715 {
3716         const double *customclipplane = NULL;
3717         double plane[4];
3718         if (r_refdef.view.useclipplane && allowwaterclippingplane)
3719         {
3720                 // LordHavoc: couldn't figure out how to make this approach the
3721                 vec_t dist = r_refdef.view.clipplane.dist - r_water_clippingplanebias.value;
3722                 vec_t viewdist = DotProduct(r_refdef.view.origin, r_refdef.view.clipplane.normal);
3723                 if (viewdist < r_refdef.view.clipplane.dist + r_water_clippingplanebias.value)
3724                         dist = r_refdef.view.clipplane.dist;
3725                 plane[0] = r_refdef.view.clipplane.normal[0];
3726                 plane[1] = r_refdef.view.clipplane.normal[1];
3727                 plane[2] = r_refdef.view.clipplane.normal[2];
3728                 plane[3] = dist;
3729                 customclipplane = plane;
3730         }
3731
3732         if (!r_refdef.view.useperspective)
3733                 R_Viewport_InitOrtho(&r_refdef.view.viewport, &r_refdef.view.matrix, r_refdef.view.x, vid.height - r_refdef.view.height - r_refdef.view.y, r_refdef.view.width, r_refdef.view.height, -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);
3734         else if (gl_stencil && r_useinfinitefarclip.integer)
3735                 R_Viewport_InitPerspectiveInfinite(&r_refdef.view.viewport, &r_refdef.view.matrix, r_refdef.view.x, vid.height - r_refdef.view.height - r_refdef.view.y, r_refdef.view.width, r_refdef.view.height, r_refdef.view.frustum_x, r_refdef.view.frustum_y, r_refdef.nearclip, customclipplane);
3736         else
3737                 R_Viewport_InitPerspective(&r_refdef.view.viewport, &r_refdef.view.matrix, r_refdef.view.x, vid.height - r_refdef.view.height - r_refdef.view.y, r_refdef.view.width, r_refdef.view.height, r_refdef.view.frustum_x, r_refdef.view.frustum_y, r_refdef.nearclip, r_refdef.farclip, customclipplane);
3738         R_SetViewport(&r_refdef.view.viewport);
3739 }
3740
3741 void R_ResetViewRendering2D(void)
3742 {
3743         r_viewport_t viewport;
3744         DrawQ_Finish();
3745
3746         // GL is weird because it's bottom to top, r_refdef.view.y is top to bottom
3747         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);
3748         R_SetViewport(&viewport);
3749         GL_Scissor(viewport.x, viewport.y, viewport.width, viewport.height);
3750         GL_Color(1, 1, 1, 1);
3751         GL_ColorMask(r_refdef.view.colormask[0], r_refdef.view.colormask[1], r_refdef.view.colormask[2], 1);
3752         GL_BlendFunc(GL_ONE, GL_ZERO);
3753         GL_AlphaTest(false);
3754         GL_ScissorTest(false);
3755         GL_DepthMask(false);
3756         GL_DepthRange(0, 1);
3757         GL_DepthTest(false);
3758         R_Mesh_Matrix(&identitymatrix);
3759         R_Mesh_ResetTextureState();
3760         GL_PolygonOffset(0, 0);
3761         qglEnable(GL_POLYGON_OFFSET_FILL);CHECKGLERROR
3762         qglDepthFunc(GL_LEQUAL);CHECKGLERROR
3763         qglDisable(GL_STENCIL_TEST);CHECKGLERROR
3764         qglStencilMask(~0);CHECKGLERROR
3765         qglStencilFunc(GL_ALWAYS, 128, ~0);CHECKGLERROR
3766         qglStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);CHECKGLERROR
3767         GL_CullFace(GL_FRONT); // quake is backwards, this culls back faces
3768         R_SetupGenericShader(true);
3769 }
3770
3771 void R_ResetViewRendering3D(void)
3772 {
3773         DrawQ_Finish();
3774
3775         R_SetupView(true);
3776         GL_Scissor(r_refdef.view.viewport.x, r_refdef.view.viewport.y, r_refdef.view.viewport.width, r_refdef.view.viewport.height);
3777         GL_Color(1, 1, 1, 1);
3778         GL_ColorMask(r_refdef.view.colormask[0], r_refdef.view.colormask[1], r_refdef.view.colormask[2], 1);
3779         GL_BlendFunc(GL_ONE, GL_ZERO);
3780         GL_AlphaTest(false);
3781         GL_ScissorTest(true);
3782         GL_DepthMask(true);
3783         GL_DepthRange(0, 1);
3784         GL_DepthTest(true);
3785         R_Mesh_Matrix(&identitymatrix);
3786         R_Mesh_ResetTextureState();
3787         GL_PolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);
3788         qglEnable(GL_POLYGON_OFFSET_FILL);CHECKGLERROR
3789         qglDepthFunc(GL_LEQUAL);CHECKGLERROR
3790         qglDisable(GL_STENCIL_TEST);CHECKGLERROR
3791         qglStencilMask(~0);CHECKGLERROR
3792         qglStencilFunc(GL_ALWAYS, 128, ~0);CHECKGLERROR
3793         qglStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);CHECKGLERROR
3794         GL_CullFace(r_refdef.view.cullface_back);
3795         R_SetupGenericShader(true);
3796 }
3797
3798 void R_RenderScene(void);
3799 void R_RenderWaterPlanes(void);
3800
3801 static void R_Water_StartFrame(void)
3802 {
3803         int i;
3804         int waterwidth, waterheight, texturewidth, textureheight;
3805         r_waterstate_waterplane_t *p;
3806
3807         // set waterwidth and waterheight to the water resolution that will be
3808         // used (often less than the screen resolution for faster rendering)
3809         waterwidth = (int)bound(1, vid.width * r_water_resolutionmultiplier.value, vid.width);
3810         waterheight = (int)bound(1, vid.height * r_water_resolutionmultiplier.value, vid.height);
3811
3812         // calculate desired texture sizes
3813         // can't use water if the card does not support the texture size
3814         if (!r_water.integer || !r_glsl.integer || !gl_support_fragment_shader || waterwidth > gl_max_texture_size || waterheight > gl_max_texture_size || r_showsurfaces.integer)
3815                 texturewidth = textureheight = waterwidth = waterheight = 0;
3816         else if (gl_support_arb_texture_non_power_of_two)
3817         {
3818                 texturewidth = waterwidth;
3819                 textureheight = waterheight;
3820         }
3821         else
3822         {
3823                 for (texturewidth   = 1;texturewidth   < waterwidth ;texturewidth   *= 2);
3824                 for (textureheight  = 1;textureheight  < waterheight;textureheight  *= 2);
3825         }
3826
3827         // allocate textures as needed
3828         if (r_waterstate.texturewidth != texturewidth || r_waterstate.textureheight != textureheight)
3829         {
3830                 r_waterstate.maxwaterplanes = MAX_WATERPLANES;
3831                 for (i = 0, p = r_waterstate.waterplanes;i < r_waterstate.maxwaterplanes;i++, p++)
3832                 {
3833                         if (p->texture_refraction)
3834                                 R_FreeTexture(p->texture_refraction);
3835                         p->texture_refraction = NULL;
3836                         if (p->texture_reflection)
3837                                 R_FreeTexture(p->texture_reflection);
3838                         p->texture_reflection = NULL;
3839                 }
3840                 memset(&r_waterstate, 0, sizeof(r_waterstate));
3841                 r_waterstate.texturewidth = texturewidth;
3842                 r_waterstate.textureheight = textureheight;
3843         }
3844
3845         if (r_waterstate.texturewidth)
3846         {
3847                 r_waterstate.enabled = true;
3848
3849                 // when doing a reduced render (HDR) we want to use a smaller area
3850                 r_waterstate.waterwidth = (int)bound(1, r_refdef.view.width * r_water_resolutionmultiplier.value, r_refdef.view.width);
3851                 r_waterstate.waterheight = (int)bound(1, r_refdef.view.height * r_water_resolutionmultiplier.value, r_refdef.view.height);
3852
3853                 // set up variables that will be used in shader setup
3854                 r_waterstate.screenscale[0] = 0.5f * (float)r_waterstate.waterwidth / (float)r_waterstate.texturewidth;
3855                 r_waterstate.screenscale[1] = 0.5f * (float)r_waterstate.waterheight / (float)r_waterstate.textureheight;
3856                 r_waterstate.screencenter[0] = 0.5f * (float)r_waterstate.waterwidth / (float)r_waterstate.texturewidth;
3857                 r_waterstate.screencenter[1] = 0.5f * (float)r_waterstate.waterheight / (float)r_waterstate.textureheight;
3858         }
3859
3860         r_waterstate.maxwaterplanes = MAX_WATERPLANES;
3861         r_waterstate.numwaterplanes = 0;
3862 }
3863
3864 void R_Water_AddWaterPlane(msurface_t *surface)
3865 {
3866         int triangleindex, planeindex;
3867         const int *e;
3868         vec3_t vert[3];
3869         vec3_t normal;
3870         vec3_t center;
3871         mplane_t plane;
3872         r_waterstate_waterplane_t *p;
3873         texture_t *t = R_GetCurrentTexture(surface->texture);
3874         // just use the first triangle with a valid normal for any decisions
3875         VectorClear(normal);
3876         for (triangleindex = 0, e = rsurface.modelelement3i + surface->num_firsttriangle * 3;triangleindex < surface->num_triangles;triangleindex++, e += 3)
3877         {
3878                 Matrix4x4_Transform(&rsurface.matrix, rsurface.modelvertex3f + e[0]*3, vert[0]);
3879                 Matrix4x4_Transform(&rsurface.matrix, rsurface.modelvertex3f + e[1]*3, vert[1]);
3880                 Matrix4x4_Transform(&rsurface.matrix, rsurface.modelvertex3f + e[2]*3, vert[2]);
3881                 TriangleNormal(vert[0], vert[1], vert[2], normal);
3882                 if (VectorLength2(normal) >= 0.001)
3883                         break;
3884         }
3885
3886         VectorCopy(normal, plane.normal);
3887         VectorNormalize(plane.normal);
3888         plane.dist = DotProduct(vert[0], plane.normal);
3889         PlaneClassify(&plane);
3890         if (PlaneDiff(r_refdef.view.origin, &plane) < 0)
3891         {
3892                 // skip backfaces (except if nocullface is set)
3893                 if (!(t->currentmaterialflags & MATERIALFLAG_NOCULLFACE))
3894                         return;
3895                 VectorNegate(plane.normal, plane.normal);
3896                 plane.dist *= -1;
3897                 PlaneClassify(&plane);
3898         }
3899
3900
3901         // find a matching plane if there is one
3902         for (planeindex = 0, p = r_waterstate.waterplanes;planeindex < r_waterstate.numwaterplanes;planeindex++, p++)
3903                 if (fabs(PlaneDiff(vert[0], &p->plane)) < 1 && fabs(PlaneDiff(vert[1], &p->plane)) < 1 && fabs(PlaneDiff(vert[2], &p->plane)) < 1)
3904                         break;
3905         if (planeindex >= r_waterstate.maxwaterplanes)
3906                 return; // nothing we can do, out of planes
3907
3908         // if this triangle does not fit any known plane rendered this frame, add one
3909         if (planeindex >= r_waterstate.numwaterplanes)
3910         {
3911                 // store the new plane
3912                 r_waterstate.numwaterplanes++;
3913                 p->plane = plane;
3914                 // clear materialflags and pvs
3915                 p->materialflags = 0;
3916                 p->pvsvalid = false;
3917         }
3918         // merge this surface's materialflags into the waterplane
3919         p->materialflags |= t->currentmaterialflags;
3920         // merge this surface's PVS into the waterplane
3921         VectorMAM(0.5f, surface->mins, 0.5f, surface->maxs, center);
3922         if (p->materialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION | MATERIALFLAG_REFLECTION) && r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->brush.FatPVS
3923          && r_refdef.scene.worldmodel->brush.PointInLeaf && r_refdef.scene.worldmodel->brush.PointInLeaf(r_refdef.scene.worldmodel, center)->clusterindex >= 0)
3924         {
3925                 r_refdef.scene.worldmodel->brush.FatPVS(r_refdef.scene.worldmodel, center, 2, p->pvsbits, sizeof(p->pvsbits), p->pvsvalid);
3926                 p->pvsvalid = true;
3927         }
3928 }
3929
3930 static void R_Water_ProcessPlanes(void)
3931 {
3932         r_refdef_view_t originalview;
3933         r_refdef_view_t myview;
3934         int planeindex;
3935         r_waterstate_waterplane_t *p;
3936
3937         originalview = r_refdef.view;
3938
3939         // make sure enough textures are allocated
3940         for (planeindex = 0, p = r_waterstate.waterplanes;planeindex < r_waterstate.numwaterplanes;planeindex++, p++)
3941         {
3942                 if (p->materialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION))
3943                 {
3944                         if (!p->texture_refraction)
3945                                 p->texture_refraction = R_LoadTexture2D(r_main_texturepool, va("waterplane%i_refraction", planeindex), r_waterstate.texturewidth, r_waterstate.textureheight, NULL, TEXTYPE_BGRA, TEXF_FORCELINEAR | TEXF_CLAMP | TEXF_ALWAYSPRECACHE, NULL);
3946                         if (!p->texture_refraction)
3947                                 goto error;
3948                 }
3949
3950                 if (p->materialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFLECTION))
3951                 {
3952                         if (!p->texture_reflection)
3953                                 p->texture_reflection = R_LoadTexture2D(r_main_texturepool, va("waterplane%i_reflection", planeindex), r_waterstate.texturewidth, r_waterstate.textureheight, NULL, TEXTYPE_BGRA, TEXF_FORCELINEAR | TEXF_CLAMP | TEXF_ALWAYSPRECACHE, NULL);
3954                         if (!p->texture_reflection)
3955                                 goto error;
3956                 }
3957         }
3958
3959         // render views
3960         r_refdef.view = originalview;
3961         r_refdef.view.showdebug = false;
3962         r_refdef.view.width = r_waterstate.waterwidth;
3963         r_refdef.view.height = r_waterstate.waterheight;
3964         r_refdef.view.useclipplane = true;
3965         myview = r_refdef.view;
3966         r_waterstate.renderingscene = true;
3967         for (planeindex = 0, p = r_waterstate.waterplanes;planeindex < r_waterstate.numwaterplanes;planeindex++, p++)
3968         {
3969                 // render the normal view scene and copy into texture
3970                 // (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)
3971                 if (p->materialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION))
3972                 {
3973                         r_refdef.view = myview;
3974                         r_refdef.view.clipplane = p->plane;
3975                         VectorNegate(r_refdef.view.clipplane.normal, r_refdef.view.clipplane.normal);
3976                         r_refdef.view.clipplane.dist = -r_refdef.view.clipplane.dist;
3977                         PlaneClassify(&r_refdef.view.clipplane);
3978
3979                         R_ResetViewRendering3D();
3980                         R_ClearScreen(r_refdef.fogenabled);
3981                         R_View_Update();
3982                         R_RenderScene();
3983
3984                         // copy view into the screen texture
3985                         R_Mesh_TexBind(0, R_GetTexture(p->texture_refraction));
3986                         GL_ActiveTexture(0);
3987                         CHECKGLERROR
3988                         qglCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, r_refdef.view.viewport.x, r_refdef.view.viewport.y, r_refdef.view.viewport.width, r_refdef.view.viewport.height);CHECKGLERROR
3989                 }
3990
3991                 if (p->materialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFLECTION))
3992                 {
3993                         r_refdef.view = myview;
3994                         // render reflected scene and copy into texture
3995                         Matrix4x4_Reflect(&r_refdef.view.matrix, p->plane.normal[0], p->plane.normal[1], p->plane.normal[2], p->plane.dist, -2);
3996                         // update the r_refdef.view.origin because otherwise the sky renders at the wrong location (amongst other problems)
3997                         Matrix4x4_OriginFromMatrix(&r_refdef.view.matrix, r_refdef.view.origin);
3998                         r_refdef.view.clipplane = p->plane;
3999                         // reverse the cullface settings for this render
4000                         r_refdef.view.cullface_front = GL_FRONT;
4001                         r_refdef.view.cullface_back = GL_BACK;
4002                         if (r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->brush.num_pvsclusterbytes)
4003                         {
4004                                 r_refdef.view.usecustompvs = true;
4005                                 if (p->pvsvalid)
4006                                         memcpy(r_refdef.viewcache.world_pvsbits, p->pvsbits, r_refdef.scene.worldmodel->brush.num_pvsclusterbytes);
4007                                 else
4008                                         memset(r_refdef.viewcache.world_pvsbits, 0xFF, r_refdef.scene.worldmodel->brush.num_pvsclusterbytes);
4009                         }
4010
4011                         R_ResetViewRendering3D();
4012                         R_ClearScreen(r_refdef.fogenabled);
4013                         R_View_Update();
4014                         R_RenderScene();
4015
4016                         R_Mesh_TexBind(0, R_GetTexture(p->texture_reflection));
4017                         GL_ActiveTexture(0);
4018                         CHECKGLERROR
4019                         qglCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, r_refdef.view.viewport.x, r_refdef.view.viewport.y, r_refdef.view.viewport.width, r_refdef.view.viewport.height);CHECKGLERROR
4020                 }
4021         }
4022         r_waterstate.renderingscene = false;
4023         r_refdef.view = originalview;
4024         R_ResetViewRendering3D();
4025         R_ClearScreen(r_refdef.fogenabled);
4026         R_View_Update();
4027         return;
4028 error:
4029         r_refdef.view = originalview;
4030         r_waterstate.renderingscene = false;
4031         Cvar_SetValueQuick(&r_water, 0);
4032         Con_Printf("R_Water_ProcessPlanes: Error: texture creation failed!  Turned off r_water.\n");
4033         return;
4034 }
4035
4036 void R_Bloom_StartFrame(void)
4037 {
4038         int bloomtexturewidth, bloomtextureheight, screentexturewidth, screentextureheight;
4039
4040         // set bloomwidth and bloomheight to the bloom resolution that will be
4041         // used (often less than the screen resolution for faster rendering)
4042         r_bloomstate.bloomwidth = bound(1, r_bloom_resolution.integer, vid.height);
4043         r_bloomstate.bloomheight = r_bloomstate.bloomwidth * vid.height / vid.width;
4044         r_bloomstate.bloomheight = bound(1, r_bloomstate.bloomheight, vid.height);
4045         r_bloomstate.bloomwidth = bound(1, r_bloomstate.bloomwidth, gl_max_texture_size);
4046         r_bloomstate.bloomheight = bound(1, r_bloomstate.bloomheight, gl_max_texture_size);
4047
4048         // calculate desired texture sizes
4049         if (gl_support_arb_texture_non_power_of_two)
4050         {
4051                 screentexturewidth = r_refdef.view.width;
4052                 screentextureheight = r_refdef.view.height;
4053                 bloomtexturewidth = r_bloomstate.bloomwidth;
4054                 bloomtextureheight = r_bloomstate.bloomheight;
4055         }
4056         else
4057         {
4058                 for (screentexturewidth  = 1;screentexturewidth  < vid.width               ;screentexturewidth  *= 2);
4059                 for (screentextureheight = 1;screentextureheight < vid.height              ;screentextureheight *= 2);
4060                 for (bloomtexturewidth   = 1;bloomtexturewidth   < r_bloomstate.bloomwidth ;bloomtexturewidth   *= 2);
4061                 for (bloomtextureheight  = 1;bloomtextureheight  < r_bloomstate.bloomheight;bloomtextureheight  *= 2);
4062         }
4063
4064         if ((r_hdr.integer || 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 > gl_max_texture_size || r_refdef.view.height > gl_max_texture_size))
4065         {
4066                 Cvar_SetValueQuick(&r_hdr, 0);
4067                 Cvar_SetValueQuick(&r_bloom, 0);
4068                 Cvar_SetValueQuick(&r_motionblur, 0);
4069                 Cvar_SetValueQuick(&r_damageblur, 0);
4070         }
4071
4072         if (!(r_glsl.integer && (r_glsl_postprocess.integer || (!R_Stereo_ColorMasking() && r_glsl_saturation.value != 1) || (v_glslgamma.integer && !vid_gammatables_trivial))) && !r_bloom.integer && !r_hdr.integer && (R_Stereo_Active() || (r_motionblur.value <= 0 && r_damageblur.value <= 0)))
4073                 screentexturewidth = screentextureheight = 0;
4074         if (!r_hdr.integer && !r_bloom.integer)
4075                 bloomtexturewidth = bloomtextureheight = 0;
4076
4077         // allocate textures as needed
4078         if (r_bloomstate.screentexturewidth != screentexturewidth || r_bloomstate.screentextureheight != screentextureheight)
4079         {
4080                 if (r_bloomstate.texture_screen)
4081                         R_FreeTexture(r_bloomstate.texture_screen);
4082                 r_bloomstate.texture_screen = NULL;
4083                 r_bloomstate.screentexturewidth = screentexturewidth;
4084                 r_bloomstate.screentextureheight = screentextureheight;
4085                 if (r_bloomstate.screentexturewidth && r_bloomstate.screentextureheight)
4086                         r_bloomstate.texture_screen = R_LoadTexture2D(r_main_texturepool, "screen", r_bloomstate.screentexturewidth, r_bloomstate.screentextureheight, NULL, TEXTYPE_BGRA, TEXF_FORCENEAREST | TEXF_CLAMP | TEXF_ALWAYSPRECACHE, NULL);
4087         }
4088         if (r_bloomstate.bloomtexturewidth != bloomtexturewidth || r_bloomstate.bloomtextureheight != bloomtextureheight)
4089         {
4090                 if (r_bloomstate.texture_bloom)
4091                         R_FreeTexture(r_bloomstate.texture_bloom);
4092                 r_bloomstate.texture_bloom = NULL;
4093                 r_bloomstate.bloomtexturewidth = bloomtexturewidth;
4094                 r_bloomstate.bloomtextureheight = bloomtextureheight;
4095                 if (r_bloomstate.bloomtexturewidth && r_bloomstate.bloomtextureheight)
4096                         r_bloomstate.texture_bloom = R_LoadTexture2D(r_main_texturepool, "bloom", r_bloomstate.bloomtexturewidth, r_bloomstate.bloomtextureheight, NULL, TEXTYPE_BGRA, TEXF_FORCELINEAR | TEXF_CLAMP | TEXF_ALWAYSPRECACHE, NULL);
4097         }
4098
4099         // when doing a reduced render (HDR) we want to use a smaller area
4100         r_bloomstate.bloomwidth = bound(1, r_bloom_resolution.integer, r_refdef.view.height);
4101         r_bloomstate.bloomheight = r_bloomstate.bloomwidth * r_refdef.view.height / r_refdef.view.width;
4102         r_bloomstate.bloomheight = bound(1, r_bloomstate.bloomheight, r_refdef.view.height);
4103         r_bloomstate.bloomwidth = bound(1, r_bloomstate.bloomwidth, r_bloomstate.bloomtexturewidth);
4104         r_bloomstate.bloomheight = bound(1, r_bloomstate.bloomheight, r_bloomstate.bloomtextureheight);
4105
4106         // set up a texcoord array for the full resolution screen image
4107         // (we have to keep this around to copy back during final render)
4108         r_bloomstate.screentexcoord2f[0] = 0;
4109         r_bloomstate.screentexcoord2f[1] = (float)r_refdef.view.height    / (float)r_bloomstate.screentextureheight;
4110         r_bloomstate.screentexcoord2f[2] = (float)r_refdef.view.width     / (float)r_bloomstate.screentexturewidth;
4111         r_bloomstate.screentexcoord2f[3] = (float)r_refdef.view.height    / (float)r_bloomstate.screentextureheight;
4112         r_bloomstate.screentexcoord2f[4] = (float)r_refdef.view.width     / (float)r_bloomstate.screentexturewidth;
4113         r_bloomstate.screentexcoord2f[5] = 0;
4114         r_bloomstate.screentexcoord2f[6] = 0;
4115         r_bloomstate.screentexcoord2f[7] = 0;
4116
4117         // set up a texcoord array for the reduced resolution bloom image
4118         // (which will be additive blended over the screen image)
4119         r_bloomstate.bloomtexcoord2f[0] = 0;
4120         r_bloomstate.bloomtexcoord2f[1] = (float)r_bloomstate.bloomheight / (float)r_bloomstate.bloomtextureheight;
4121         r_bloomstate.bloomtexcoord2f[2] = (float)r_bloomstate.bloomwidth  / (float)r_bloomstate.bloomtexturewidth;
4122         r_bloomstate.bloomtexcoord2f[3] = (float)r_bloomstate.bloomheight / (float)r_bloomstate.bloomtextureheight;
4123         r_bloomstate.bloomtexcoord2f[4] = (float)r_bloomstate.bloomwidth  / (float)r_bloomstate.bloomtexturewidth;
4124         r_bloomstate.bloomtexcoord2f[5] = 0;
4125         r_bloomstate.bloomtexcoord2f[6] = 0;
4126         r_bloomstate.bloomtexcoord2f[7] = 0;
4127
4128         if (r_hdr.integer || r_bloom.integer)
4129         {
4130                 r_bloomstate.enabled = true;
4131                 r_bloomstate.hdr = r_hdr.integer != 0;
4132         }
4133
4134         R_Viewport_InitOrtho(&r_bloomstate.viewport, &identitymatrix, r_refdef.view.x, vid.height - r_bloomstate.bloomheight - r_refdef.view.y, r_bloomstate.bloomwidth, r_bloomstate.bloomheight, 0, 0, 1, 1, -10, 100, NULL);
4135 }
4136
4137 void R_Bloom_CopyBloomTexture(float colorscale)
4138 {
4139         r_refdef.stats.bloom++;
4140
4141         // scale down screen texture to the bloom texture size
4142         CHECKGLERROR
4143         R_SetViewport(&r_bloomstate.viewport);
4144         GL_BlendFunc(GL_ONE, GL_ZERO);
4145         GL_Color(colorscale, colorscale, colorscale, 1);
4146         // TODO: optimize with multitexture or GLSL
4147         R_SetupGenericShader(true);
4148         R_Mesh_TexCoordPointer(0, 2, r_bloomstate.screentexcoord2f, 0, 0);
4149         R_Mesh_TexBind(0, R_GetTexture(r_bloomstate.texture_screen));
4150         R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, polygonelement3s, 0, 0);
4151         r_refdef.stats.bloom_drawpixels += r_bloomstate.bloomwidth * r_bloomstate.bloomheight;
4152
4153         // we now have a bloom image in the framebuffer
4154         // copy it into the bloom image texture for later processing
4155         R_Mesh_TexBind(0, R_GetTexture(r_bloomstate.texture_bloom));
4156         GL_ActiveTexture(0);
4157         CHECKGLERROR
4158         qglCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, r_bloomstate.viewport.x, r_bloomstate.viewport.y, r_bloomstate.viewport.width, r_bloomstate.viewport.height);CHECKGLERROR
4159         r_refdef.stats.bloom_copypixels += r_bloomstate.viewport.width * r_bloomstate.viewport.height;
4160 }
4161
4162 void R_Bloom_CopyHDRTexture(void)
4163 {
4164         R_Mesh_TexBind(0, R_GetTexture(r_bloomstate.texture_bloom));
4165         GL_ActiveTexture(0);
4166         CHECKGLERROR
4167         qglCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, r_refdef.view.viewport.x, r_refdef.view.viewport.y, r_refdef.view.viewport.width, r_refdef.view.viewport.height);CHECKGLERROR
4168         r_refdef.stats.bloom_copypixels += r_refdef.view.viewport.width * r_refdef.view.viewport.height;
4169 }
4170
4171 void R_Bloom_MakeTexture(void)
4172 {
4173         int x, range, dir;
4174         float xoffset, yoffset, r, brighten;
4175
4176         r_refdef.stats.bloom++;
4177
4178         R_ResetViewRendering2D();
4179         R_Mesh_VertexPointer(r_screenvertex3f, 0, 0);
4180         R_Mesh_ColorPointer(NULL, 0, 0);
4181         R_SetupGenericShader(true);
4182
4183         // we have a bloom image in the framebuffer
4184         CHECKGLERROR
4185         R_SetViewport(&r_bloomstate.viewport);
4186
4187         for (x = 1;x < min(r_bloom_colorexponent.value, 32);)
4188         {
4189                 x *= 2;
4190                 r = bound(0, r_bloom_colorexponent.value / x, 1);
4191                 GL_BlendFunc(GL_DST_COLOR, GL_SRC_COLOR);
4192                 GL_Color(r, r, r, 1);
4193                 R_Mesh_TexBind(0, R_GetTexture(r_bloomstate.texture_bloom));
4194                 R_Mesh_TexCoordPointer(0, 2, r_bloomstate.bloomtexcoord2f, 0, 0);
4195                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, polygonelement3s, 0, 0);
4196                 r_refdef.stats.bloom_drawpixels += r_bloomstate.bloomwidth * r_bloomstate.bloomheight;
4197
4198                 // copy the vertically blurred bloom view to a texture
4199                 GL_ActiveTexture(0);
4200                 CHECKGLERROR
4201                 qglCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, r_bloomstate.viewport.x, r_bloomstate.viewport.y, r_bloomstate.viewport.width, r_bloomstate.viewport.height);CHECKGLERROR
4202                 r_refdef.stats.bloom_copypixels += r_bloomstate.viewport.width * r_bloomstate.viewport.height;
4203         }
4204
4205         range = r_bloom_blur.integer * r_bloomstate.bloomwidth / 320;
4206         brighten = r_bloom_brighten.value;
4207         if (r_hdr.integer)
4208                 brighten *= r_hdr_range.value;
4209         brighten = sqrt(brighten);
4210         if(range >= 1)
4211                 brighten *= (3 * range) / (2 * range - 1); // compensate for the "dot particle"
4212         R_Mesh_TexBind(0, R_GetTexture(r_bloomstate.texture_bloom));
4213         R_Mesh_TexCoordPointer(0, 2, r_bloomstate.offsettexcoord2f, 0, 0);
4214
4215         for (dir = 0;dir < 2;dir++)
4216         {
4217                 // blend on at multiple vertical offsets to achieve a vertical blur
4218                 // TODO: do offset blends using GLSL
4219                 // TODO instead of changing the texcoords, change the target positions to prevent artifacts at edges
4220                 GL_BlendFunc(GL_ONE, GL_ZERO);
4221                 for (x = -range;x <= range;x++)
4222                 {
4223                         if (!dir){xoffset = 0;yoffset = x;}
4224                         else {xoffset = x;yoffset = 0;}
4225                         xoffset /= (float)r_bloomstate.bloomtexturewidth;
4226                         yoffset /= (float)r_bloomstate.bloomtextureheight;
4227                         // compute a texcoord array with the specified x and y offset
4228                         r_bloomstate.offsettexcoord2f[0] = xoffset+0;
4229                         r_bloomstate.offsettexcoord2f[1] = yoffset+(float)r_bloomstate.bloomheight / (float)r_bloomstate.bloomtextureheight;
4230                         r_bloomstate.offsettexcoord2f[2] = xoffset+(float)r_bloomstate.bloomwidth / (float)r_bloomstate.bloomtexturewidth;
4231                         r_bloomstate.offsettexcoord2f[3] = yoffset+(float)r_bloomstate.bloomheight / (float)r_bloomstate.bloomtextureheight;
4232                         r_bloomstate.offsettexcoord2f[4] = xoffset+(float)r_bloomstate.bloomwidth / (float)r_bloomstate.bloomtexturewidth;
4233                         r_bloomstate.offsettexcoord2f[5] = yoffset+0;
4234                         r_bloomstate.offsettexcoord2f[6] = xoffset+0;
4235                         r_bloomstate.offsettexcoord2f[7] = yoffset+0;
4236                         // this r value looks like a 'dot' particle, fading sharply to
4237                         // black at the edges
4238                         // (probably not realistic but looks good enough)
4239                         //r = ((range*range+1)/((float)(x*x+1)))/(range*2+1);
4240                         //r = brighten/(range*2+1);
4241                         r = brighten / (range * 2 + 1);
4242                         if(range >= 1)
4243                                 r *= (1 - x*x/(float)(range*range));
4244                         GL_Color(r, r, r, 1);
4245                         R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, polygonelement3s, 0, 0);
4246                         r_refdef.stats.bloom_drawpixels += r_bloomstate.bloomwidth * r_bloomstate.bloomheight;
4247                         GL_BlendFunc(GL_ONE, GL_ONE);
4248                 }
4249
4250                 // copy the vertically blurred bloom view to a texture
4251                 GL_ActiveTexture(0);
4252                 CHECKGLERROR
4253                 qglCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, r_bloomstate.viewport.x, r_bloomstate.viewport.y, r_bloomstate.viewport.width, r_bloomstate.viewport.height);CHECKGLERROR
4254                 r_refdef.stats.bloom_copypixels += r_bloomstate.viewport.width * r_bloomstate.viewport.height;
4255         }
4256
4257         // apply subtract last
4258         // (just like it would be in a GLSL shader)
4259         if (r_bloom_colorsubtract.value > 0 && gl_support_ext_blend_subtract)
4260         {
4261                 GL_BlendFunc(GL_ONE, GL_ZERO);
4262                 R_Mesh_TexBind(0, R_GetTexture(r_bloomstate.texture_bloom));
4263                 R_Mesh_TexCoordPointer(0, 2, r_bloomstate.bloomtexcoord2f, 0, 0);
4264                 GL_Color(1, 1, 1, 1);
4265                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, polygonelement3s, 0, 0);
4266                 r_refdef.stats.bloom_drawpixels += r_bloomstate.bloomwidth * r_bloomstate.bloomheight;
4267
4268                 GL_BlendFunc(GL_ONE, GL_ONE);
4269                 qglBlendEquationEXT(GL_FUNC_REVERSE_SUBTRACT_EXT);
4270                 R_Mesh_TexBind(0, R_GetTexture(r_texture_white));
4271                 R_Mesh_TexCoordPointer(0, 2, r_bloomstate.bloomtexcoord2f, 0, 0);
4272                 GL_Color(r_bloom_colorsubtract.value, r_bloom_colorsubtract.value, r_bloom_colorsubtract.value, 1);
4273                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, polygonelement3s, 0, 0);
4274                 r_refdef.stats.bloom_drawpixels += r_bloomstate.bloomwidth * r_bloomstate.bloomheight;
4275                 qglBlendEquationEXT(GL_FUNC_ADD_EXT);
4276
4277                 // copy the darkened bloom view to a texture
4278                 R_Mesh_TexBind(0, R_GetTexture(r_bloomstate.texture_bloom));
4279                 GL_ActiveTexture(0);
4280                 CHECKGLERROR
4281                 qglCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, r_bloomstate.viewport.x, r_bloomstate.viewport.y, r_bloomstate.viewport.width, r_bloomstate.viewport.height);CHECKGLERROR
4282                 r_refdef.stats.bloom_copypixels += r_bloomstate.viewport.width * r_bloomstate.viewport.height;
4283         }
4284 }
4285
4286 void R_HDR_RenderBloomTexture(void)
4287 {
4288         int oldwidth, oldheight;
4289         float oldcolorscale;
4290
4291         oldcolorscale = r_refdef.view.colorscale;
4292         oldwidth = r_refdef.view.width;
4293         oldheight = r_refdef.view.height;
4294         r_refdef.view.width = r_bloomstate.bloomwidth;
4295         r_refdef.view.height = r_bloomstate.bloomheight;
4296
4297         // TODO: support GL_EXT_framebuffer_object rather than reusing the framebuffer?  it might improve SLI performance.
4298         // TODO: add exposure compensation features
4299         // TODO: add fp16 framebuffer support (using GL_EXT_framebuffer_object)
4300
4301         r_refdef.view.showdebug = false;
4302         r_refdef.view.colorscale *= r_bloom_colorscale.value / bound(1, r_hdr_range.value, 16);
4303
4304         R_ResetViewRendering3D();
4305
4306         R_ClearScreen(r_refdef.fogenabled);
4307         if (r_timereport_active)
4308                 R_TimeReport("HDRclear");
4309
4310         R_View_Update();
4311         if (r_timereport_active)
4312                 R_TimeReport("visibility");
4313
4314         // only do secondary renders with HDR if r_hdr is 2 or higher
4315         r_waterstate.numwaterplanes = 0;
4316         if (r_waterstate.enabled && r_hdr.integer >= 2)
4317                 R_RenderWaterPlanes();
4318
4319         r_refdef.view.showdebug = true;
4320         R_RenderScene();
4321         r_waterstate.numwaterplanes = 0;
4322
4323         R_ResetViewRendering2D();
4324
4325         R_Bloom_CopyHDRTexture();
4326         R_Bloom_MakeTexture();
4327
4328         // restore the view settings
4329         r_refdef.view.width = oldwidth;
4330         r_refdef.view.height = oldheight;
4331         r_refdef.view.colorscale = oldcolorscale;
4332
4333         R_ResetViewRendering3D();
4334
4335         R_ClearScreen(r_refdef.fogenabled);
4336         if (r_timereport_active)
4337                 R_TimeReport("viewclear");
4338 }
4339
4340 static void R_BlendView(void)
4341 {
4342         if (r_bloomstate.texture_screen)
4343         {
4344                 // make sure the buffer is available
4345                 if (r_bloom_blur.value < 1) { Cvar_SetValueQuick(&r_bloom_blur, 1); }
4346
4347                 R_ResetViewRendering2D();
4348                 R_Mesh_VertexPointer(r_screenvertex3f, 0, 0);
4349                 R_Mesh_ColorPointer(NULL, 0, 0);
4350                 R_Mesh_TexBind(0, R_GetTexture(r_bloomstate.texture_screen));
4351                 GL_ActiveTexture(0);CHECKGLERROR
4352
4353                 if(!R_Stereo_Active() && (r_motionblur.value > 0 || r_damageblur.value > 0))
4354                 {
4355                         // declare variables
4356                         float speed;
4357                         static float avgspeed;
4358
4359                         speed = VectorLength(cl.movement_velocity);
4360
4361                         cl.motionbluralpha = bound(0, (cl.time - cl.oldtime) / max(0.001, r_motionblur_vcoeff.value), 1);
4362                         avgspeed = avgspeed * (1 - cl.motionbluralpha) + speed * cl.motionbluralpha;
4363
4364                         speed = (avgspeed - r_motionblur_vmin.value) / max(1, r_motionblur_vmax.value - r_motionblur_vmin.value);
4365                         speed = bound(0, speed, 1);
4366                         speed = speed * (1 - r_motionblur_bmin.value) + r_motionblur_bmin.value;
4367
4368                         // calculate values into a standard alpha
4369                         cl.motionbluralpha = 1 - exp(-
4370                                         (
4371                                          (r_motionblur.value * speed / 80)
4372                                          +
4373                                          (r_damageblur.value * (cl.cshifts[CSHIFT_DAMAGE].percent / 1600))
4374                                         )
4375                                         /
4376                                         max(0.0001, cl.time - cl.oldtime) // fps independent
4377                                    );
4378
4379                         cl.motionbluralpha *= lhrandom(1 - r_motionblur_randomize.value, 1 + r_motionblur_randomize.value);
4380                         cl.motionbluralpha = bound(0, cl.motionbluralpha, r_motionblur_maxblur.value);
4381                         // apply the blur
4382                         if (cl.motionbluralpha > 0)
4383                         {
4384                                 R_SetupGenericShader(true);
4385                                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
4386                                 GL_Color(1, 1, 1, cl.motionbluralpha);
4387                                 R_Mesh_TexBind(0, R_GetTexture(r_bloomstate.texture_screen));
4388                                 R_Mesh_TexCoordPointer(0, 2, r_bloomstate.screentexcoord2f, 0, 0);
4389                                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, polygonelement3s, 0, 0);
4390                                 r_refdef.stats.bloom_drawpixels += r_refdef.view.viewport.width * r_refdef.view.viewport.height;
4391                         }
4392                 }
4393
4394                 // copy view into the screen texture
4395                 qglCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, r_refdef.view.viewport.x, r_refdef.view.viewport.y, r_refdef.view.viewport.width, r_refdef.view.viewport.height);CHECKGLERROR
4396                 r_refdef.stats.bloom_copypixels += r_refdef.view.viewport.width * r_refdef.view.viewport.height;
4397         }
4398
4399         if (r_glsl.integer && gl_support_fragment_shader && (r_bloomstate.texture_screen || r_bloomstate.texture_bloom))
4400         {
4401                 unsigned int permutation =
4402                           (r_bloomstate.texture_bloom ? SHADERPERMUTATION_BLOOM : 0)
4403                         | (r_refdef.viewblend[3] > 0 ? SHADERPERMUTATION_VIEWTINT : 0)
4404                         | ((v_glslgamma.value && !vid_gammatables_trivial) ? SHADERPERMUTATION_GAMMARAMPS : 0)
4405                         | (r_glsl_postprocess.integer ? SHADERPERMUTATION_POSTPROCESSING : 0)
4406                         | ((!R_Stereo_ColorMasking() && r_glsl_saturation.value != 1) ? SHADERPERMUTATION_SATURATION : 0);
4407
4408                 if (r_bloomstate.texture_bloom && !r_bloomstate.hdr)
4409                 {
4410                         // render simple bloom effect
4411                         // copy the screen and shrink it and darken it for the bloom process
4412                         R_Bloom_CopyBloomTexture(r_bloom_colorscale.value);
4413                         // make the bloom texture
4414                         R_Bloom_MakeTexture();
4415                 }
4416
4417                 R_ResetViewRendering2D();
4418                 R_Mesh_VertexPointer(r_screenvertex3f, 0, 0);
4419                 R_Mesh_ColorPointer(NULL, 0, 0);
4420                 GL_Color(1, 1, 1, 1);
4421                 GL_BlendFunc(GL_ONE, GL_ZERO);
4422                 R_SetupShader_SetPermutation(SHADERMODE_POSTPROCESS, permutation);
4423                 R_Mesh_TexBind(0, R_GetTexture(r_bloomstate.texture_screen));
4424                 R_Mesh_TexCoordPointer(0, 2, r_bloomstate.screentexcoord2f, 0, 0);
4425                 R_Mesh_TexBind(1, R_GetTexture(r_bloomstate.texture_bloom));
4426                 R_Mesh_TexCoordPointer(1, 2, r_bloomstate.bloomtexcoord2f, 0, 0);
4427                 if (r_glsl_permutation->loc_Texture_GammaRamps >= 0)
4428                         R_Mesh_TexBind(GL20TU_GAMMARAMPS, R_GetTexture(r_texture_gammaramps));
4429                 if (r_glsl_permutation->loc_TintColor >= 0)
4430                         qglUniform4fARB(r_glsl_permutation->loc_TintColor, r_refdef.viewblend[0], r_refdef.viewblend[1], r_refdef.viewblend[2], r_refdef.viewblend[3]);
4431                 if (r_glsl_permutation->loc_ClientTime >= 0)
4432                         qglUniform1fARB(r_glsl_permutation->loc_ClientTime, cl.time);
4433                 if (r_glsl_permutation->loc_PixelSize >= 0)
4434                         qglUniform2fARB(r_glsl_permutation->loc_PixelSize, 1.0/r_bloomstate.screentexturewidth, 1.0/r_bloomstate.screentextureheight);
4435                 if (r_glsl_permutation->loc_UserVec1 >= 0)
4436                 {
4437                         float a=0, b=0, c=0, d=0;
4438 #if _MSC_VER >= 1400
4439 #define sscanf sscanf_s
4440 #endif
4441                         sscanf(r_glsl_postprocess_uservec1.string, "%f %f %f %f", &a, &b, &c, &d);
4442                         qglUniform4fARB(r_glsl_permutation->loc_UserVec1, a, b, c, d);
4443                 }
4444                 if (r_glsl_permutation->loc_UserVec2 >= 0)
4445                 {
4446                         float a=0, b=0, c=0, d=0;
4447                         sscanf(r_glsl_postprocess_uservec2.string, "%f %f %f %f", &a, &b, &c, &d);
4448                         qglUniform4fARB(r_glsl_permutation->loc_UserVec2, a, b, c, d);
4449                 }
4450                 if (r_glsl_permutation->loc_UserVec3 >= 0)
4451                 {
4452                         float a=0, b=0, c=0, d=0;
4453                         sscanf(r_glsl_postprocess_uservec3.string, "%f %f %f %f", &a, &b, &c, &d);
4454                         qglUniform4fARB(r_glsl_permutation->loc_UserVec3, a, b, c, d);
4455                 }
4456                 if (r_glsl_permutation->loc_UserVec4 >= 0)
4457                 {
4458                         float a=0, b=0, c=0, d=0;
4459                         sscanf(r_glsl_postprocess_uservec4.string, "%f %f %f %f", &a, &b, &c, &d);
4460                         qglUniform4fARB(r_glsl_permutation->loc_UserVec4, a, b, c, d);
4461                 }
4462                 if (r_glsl_permutation->loc_Saturation >= 0)
4463                         qglUniform1fARB(r_glsl_permutation->loc_Saturation, r_glsl_saturation.value);
4464                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, polygonelement3s, 0, 0);
4465                 r_refdef.stats.bloom_drawpixels += r_refdef.view.viewport.width * r_refdef.view.viewport.height;
4466                 return;
4467         }
4468
4469
4470
4471         if (r_bloomstate.texture_bloom && r_bloomstate.hdr)
4472         {
4473                 // render high dynamic range bloom effect
4474                 // the bloom texture was made earlier this render, so we just need to
4475                 // blend it onto the screen...
4476                 R_ResetViewRendering2D();
4477                 R_Mesh_VertexPointer(r_screenvertex3f, 0, 0);
4478                 R_Mesh_ColorPointer(NULL, 0, 0);
4479                 R_SetupGenericShader(true);
4480                 GL_Color(1, 1, 1, 1);
4481                 GL_BlendFunc(GL_ONE, GL_ONE);
4482                 R_Mesh_TexBind(0, R_GetTexture(r_bloomstate.texture_bloom));
4483                 R_Mesh_TexCoordPointer(0, 2, r_bloomstate.bloomtexcoord2f, 0, 0);
4484                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, polygonelement3s, 0, 0);
4485                 r_refdef.stats.bloom_drawpixels += r_refdef.view.viewport.width * r_refdef.view.viewport.height;
4486         }
4487         else if (r_bloomstate.texture_bloom)
4488         {
4489                 // render simple bloom effect
4490                 // copy the screen and shrink it and darken it for the bloom process
4491                 R_Bloom_CopyBloomTexture(r_bloom_colorscale.value);
4492                 // make the bloom texture
4493                 R_Bloom_MakeTexture();
4494                 // put the original screen image back in place and blend the bloom
4495                 // texture on it
4496                 R_ResetViewRendering2D();
4497                 R_Mesh_VertexPointer(r_screenvertex3f, 0, 0);
4498                 R_Mesh_ColorPointer(NULL, 0, 0);
4499                 GL_Color(1, 1, 1, 1);
4500                 GL_BlendFunc(GL_ONE, GL_ZERO);
4501                 // do both in one pass if possible
4502                 R_Mesh_TexBind(0, R_GetTexture(r_bloomstate.texture_bloom));
4503                 R_Mesh_TexCoordPointer(0, 2, r_bloomstate.bloomtexcoord2f, 0, 0);
4504                 if (r_textureunits.integer >= 2 && gl_combine.integer)
4505                 {
4506                         R_SetupGenericTwoTextureShader(GL_ADD);
4507                         R_Mesh_TexBind(1, R_GetTexture(r_bloomstate.texture_screen));
4508                         R_Mesh_TexCoordPointer(1, 2, r_bloomstate.screentexcoord2f, 0, 0);
4509                 }
4510                 else
4511                 {
4512                         R_SetupGenericShader(true);
4513                         R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, polygonelement3s, 0, 0);
4514                         r_refdef.stats.bloom_drawpixels += r_refdef.view.viewport.width * r_refdef.view.viewport.height;
4515                         // now blend on the bloom texture
4516                         GL_BlendFunc(GL_ONE, GL_ONE);
4517                         R_Mesh_TexBind(0, R_GetTexture(r_bloomstate.texture_screen));
4518                         R_Mesh_TexCoordPointer(0, 2, r_bloomstate.screentexcoord2f, 0, 0);
4519                 }
4520                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, polygonelement3s, 0, 0);
4521                 r_refdef.stats.bloom_drawpixels += r_refdef.view.viewport.width * r_refdef.view.viewport.height;
4522         }
4523         if (r_refdef.viewblend[3] >= (1.0f / 256.0f))
4524         {
4525                 // apply a color tint to the whole view
4526                 R_ResetViewRendering2D();
4527                 R_Mesh_VertexPointer(r_screenvertex3f, 0, 0);
4528                 R_Mesh_ColorPointer(NULL, 0, 0);
4529                 R_SetupGenericShader(false);
4530                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
4531                 GL_Color(r_refdef.viewblend[0], r_refdef.viewblend[1], r_refdef.viewblend[2], r_refdef.viewblend[3]);
4532                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, polygonelement3s, 0, 0);
4533         }
4534 }
4535
4536 matrix4x4_t r_waterscrollmatrix;
4537
4538 void R_UpdateFogColor(void) // needs to be called before HDR subrender too, as that changes colorscale!
4539 {
4540         if (r_refdef.fog_density)
4541         {
4542                 r_refdef.fogcolor[0] = r_refdef.fog_red;
4543                 r_refdef.fogcolor[1] = r_refdef.fog_green;
4544                 r_refdef.fogcolor[2] = r_refdef.fog_blue;
4545
4546                 {
4547                         vec3_t fogvec;
4548                         VectorCopy(r_refdef.fogcolor, fogvec);
4549                         //   color.rgb *= ContrastBoost * SceneBrightness;
4550                         VectorScale(fogvec, r_refdef.view.colorscale, fogvec);
4551                         r_refdef.fogcolor[0] = bound(0.0f, fogvec[0], 1.0f);
4552                         r_refdef.fogcolor[1] = bound(0.0f, fogvec[1], 1.0f);
4553                         r_refdef.fogcolor[2] = bound(0.0f, fogvec[2], 1.0f);
4554                 }
4555         }
4556 }
4557
4558 void R_UpdateVariables(void)
4559 {
4560         R_Textures_Frame();
4561
4562         r_refdef.scene.ambient = r_ambient.value;
4563
4564         r_refdef.farclip = 4096;
4565         if (r_refdef.scene.worldmodel)
4566                 r_refdef.farclip += r_refdef.scene.worldmodel->radius * 2;
4567         r_refdef.nearclip = bound (0.001f, r_nearclip.value, r_refdef.farclip - 1.0f);
4568
4569         if (r_shadow_frontsidecasting.integer < 0 || r_shadow_frontsidecasting.integer > 1)
4570                 Cvar_SetValueQuick(&r_shadow_frontsidecasting, 1);
4571         r_refdef.polygonfactor = 0;
4572         r_refdef.polygonoffset = 0;
4573         r_refdef.shadowpolygonfactor = r_refdef.polygonfactor + r_shadow_polygonfactor.value * (r_shadow_frontsidecasting.integer ? 1 : -1);
4574         r_refdef.shadowpolygonoffset = r_refdef.polygonoffset + r_shadow_polygonoffset.value * (r_shadow_frontsidecasting.integer ? 1 : -1);
4575
4576         r_refdef.scene.rtworld = r_shadow_realtime_world.integer != 0;
4577         r_refdef.scene.rtworldshadows = r_shadow_realtime_world_shadows.integer && gl_stencil;
4578         r_refdef.scene.rtdlight = (r_shadow_realtime_world.integer || r_shadow_realtime_dlight.integer) && !gl_flashblend.integer && r_dynamic.integer;
4579         r_refdef.scene.rtdlightshadows = r_refdef.scene.rtdlight && r_shadow_realtime_dlight_shadows.integer && gl_stencil;
4580         r_refdef.lightmapintensity = r_refdef.scene.rtworld ? r_shadow_realtime_world_lightmaps.value : 1;
4581         if (r_showsurfaces.integer)
4582         {
4583                 r_refdef.scene.rtworld = false;
4584                 r_refdef.scene.rtworldshadows = false;
4585                 r_refdef.scene.rtdlight = false;
4586                 r_refdef.scene.rtdlightshadows = false;
4587                 r_refdef.lightmapintensity = 0;
4588         }
4589
4590         if (gamemode == GAME_NEHAHRA)
4591         {
4592                 if (gl_fogenable.integer)
4593                 {
4594                         r_refdef.oldgl_fogenable = true;
4595                         r_refdef.fog_density = gl_fogdensity.value;
4596                         r_refdef.fog_red = gl_fogred.value;
4597                         r_refdef.fog_green = gl_foggreen.value;
4598                         r_refdef.fog_blue = gl_fogblue.value;
4599                         r_refdef.fog_alpha = 1;
4600                         r_refdef.fog_start = 0;
4601                         r_refdef.fog_end = gl_skyclip.value;
4602                 }
4603                 else if (r_refdef.oldgl_fogenable)
4604                 {
4605                         r_refdef.oldgl_fogenable = false;
4606                         r_refdef.fog_density = 0;
4607                         r_refdef.fog_red = 0;
4608                         r_refdef.fog_green = 0;
4609                         r_refdef.fog_blue = 0;
4610                         r_refdef.fog_alpha = 0;
4611                         r_refdef.fog_start = 0;
4612                         r_refdef.fog_end = 0;
4613                 }
4614         }
4615
4616         r_refdef.fog_alpha = bound(0, r_refdef.fog_alpha, 1);
4617         r_refdef.fog_start = max(0, r_refdef.fog_start);
4618         r_refdef.fog_end = max(r_refdef.fog_start + 0.01, r_refdef.fog_end);
4619
4620         // R_UpdateFogColor(); // why? R_RenderScene does it anyway
4621
4622         if (r_refdef.fog_density && r_drawfog.integer)
4623         {
4624                 r_refdef.fogenabled = true;
4625                 // this is the point where the fog reaches 0.9986 alpha, which we
4626                 // consider a good enough cutoff point for the texture
4627                 // (0.9986 * 256 == 255.6)
4628                 if (r_fog_exp2.integer)
4629                         r_refdef.fogrange = 32 / (r_refdef.fog_density * r_refdef.fog_density) + r_refdef.fog_start;
4630                 else
4631                         r_refdef.fogrange = 2048 / r_refdef.fog_density + r_refdef.fog_start;
4632                 r_refdef.fogrange = bound(r_refdef.fog_start, r_refdef.fogrange, r_refdef.fog_end);
4633                 r_refdef.fograngerecip = 1.0f / r_refdef.fogrange;
4634                 r_refdef.fogmasktabledistmultiplier = FOGMASKTABLEWIDTH * r_refdef.fograngerecip;
4635                 // fog color was already set
4636                 // update the fog texture
4637                 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)
4638                         R_BuildFogTexture();
4639         }
4640         else
4641                 r_refdef.fogenabled = false;
4642
4643         if(r_glsl.integer && v_glslgamma.integer && !vid_gammatables_trivial)
4644         {
4645                 if(!r_texture_gammaramps || vid_gammatables_serial != r_texture_gammaramps_serial)
4646                 {
4647                         // build GLSL gamma texture
4648 #define RAMPWIDTH 256
4649                         unsigned short ramp[RAMPWIDTH * 3];
4650                         unsigned char rampbgr[RAMPWIDTH][4];
4651                         int i;
4652
4653                         r_texture_gammaramps_serial = vid_gammatables_serial;
4654
4655                         VID_BuildGammaTables(&ramp[0], RAMPWIDTH);
4656                         for(i = 0; i < RAMPWIDTH; ++i)
4657                         {
4658                                 rampbgr[i][0] = (unsigned char) (ramp[i + 2 * RAMPWIDTH] * 255.0 / 65535.0 + 0.5);
4659                                 rampbgr[i][1] = (unsigned char) (ramp[i + RAMPWIDTH] * 255.0 / 65535.0 + 0.5);
4660                                 rampbgr[i][2] = (unsigned char) (ramp[i] * 255.0 / 65535.0 + 0.5);
4661                                 rampbgr[i][3] = 0;
4662                         }
4663                         if (r_texture_gammaramps)
4664                         {
4665                                 R_UpdateTexture(r_texture_gammaramps, &rampbgr[0][0], 0, 0, RAMPWIDTH, 1);
4666                         }
4667                         else
4668                         {
4669                                 r_texture_gammaramps = R_LoadTexture2D(r_main_texturepool, "gammaramps", RAMPWIDTH, 1, &rampbgr[0][0], TEXTYPE_BGRA, TEXF_PRECACHE | TEXF_FORCELINEAR | TEXF_CLAMP | TEXF_PERSISTENT, NULL);
4670                         }
4671                 }
4672         }
4673         else
4674         {
4675                 // remove GLSL gamma texture
4676         }
4677 }
4678
4679 static r_refdef_scene_type_t r_currentscenetype = RST_CLIENT;
4680 static r_refdef_scene_t r_scenes_store[ RST_COUNT ];
4681 /*
4682 ================
4683 R_SelectScene
4684 ================
4685 */
4686 void R_SelectScene( r_refdef_scene_type_t scenetype ) {
4687         if( scenetype != r_currentscenetype ) {
4688                 // store the old scenetype
4689                 r_scenes_store[ r_currentscenetype ] = r_refdef.scene;
4690                 r_currentscenetype = scenetype;
4691                 // move in the new scene
4692                 r_refdef.scene = r_scenes_store[ r_currentscenetype ];
4693         }
4694 }
4695
4696 /*
4697 ================
4698 R_GetScenePointer
4699 ================
4700 */
4701 r_refdef_scene_t * R_GetScenePointer( r_refdef_scene_type_t scenetype )
4702 {
4703         // of course, we could also add a qboolean that provides a lock state and a ReleaseScenePointer function..
4704         if( scenetype == r_currentscenetype ) {
4705                 return &r_refdef.scene;
4706         } else {
4707                 return &r_scenes_store[ scenetype ];
4708         }
4709 }
4710
4711 /*
4712 ================
4713 R_RenderView
4714 ================
4715 */
4716 void R_RenderView(void)
4717 {
4718         if (r_timereport_active)
4719                 R_TimeReport("start");
4720         r_frame++; // used only by R_GetCurrentTexture
4721         rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity
4722
4723         R_AnimCache_NewFrame();
4724
4725         if (r_refdef.view.isoverlay)
4726         {
4727                 // TODO: FIXME: move this into its own backend function maybe? [2/5/2008 Andreas]
4728                 GL_Clear( GL_DEPTH_BUFFER_BIT );
4729                 R_TimeReport("depthclear");
4730
4731                 r_refdef.view.showdebug = false;
4732
4733                 r_waterstate.enabled = false;
4734                 r_waterstate.numwaterplanes = 0;
4735
4736                 R_RenderScene();
4737
4738                 CHECKGLERROR
4739                 return;
4740         }
4741
4742         if (!r_refdef.scene.entities || r_refdef.view.width * r_refdef.view.height == 0 || !r_renderview.integer/* || !r_refdef.scene.worldmodel*/)
4743                 return; //Host_Error ("R_RenderView: NULL worldmodel");
4744
4745         r_refdef.view.colorscale = r_hdr_scenebrightness.value;
4746
4747         // break apart the view matrix into vectors for various purposes
4748         // it is important that this occurs outside the RenderScene function because that can be called from reflection renders, where the vectors come out wrong
4749         // however the r_refdef.view.origin IS updated in RenderScene intentionally - otherwise the sky renders at the wrong origin, etc
4750         Matrix4x4_ToVectors(&r_refdef.view.matrix, r_refdef.view.forward, r_refdef.view.left, r_refdef.view.up, r_refdef.view.origin);
4751         VectorNegate(r_refdef.view.left, r_refdef.view.right);
4752         // make an inverted copy of the view matrix for tracking sprites
4753         Matrix4x4_Invert_Simple(&r_refdef.view.inverse_matrix, &r_refdef.view.matrix);
4754
4755         R_Shadow_UpdateWorldLightSelection();
4756
4757         R_Bloom_StartFrame();
4758         R_Water_StartFrame();
4759
4760         CHECKGLERROR
4761         if (r_timereport_active)
4762                 R_TimeReport("viewsetup");
4763
4764         R_ResetViewRendering3D();
4765
4766         if (r_refdef.view.clear || r_refdef.fogenabled)
4767         {
4768                 R_ClearScreen(r_refdef.fogenabled);
4769                 if (r_timereport_active)
4770                         R_TimeReport("viewclear");
4771         }
4772         r_refdef.view.clear = true;
4773
4774         // this produces a bloom texture to be used in R_BlendView() later
4775         if (r_hdr.integer)
4776                 R_HDR_RenderBloomTexture();
4777
4778         r_refdef.view.showdebug = true;
4779
4780         R_View_Update();
4781         if (r_timereport_active)
4782                 R_TimeReport("visibility");
4783
4784         r_waterstate.numwaterplanes = 0;
4785         if (r_waterstate.enabled)
4786                 R_RenderWaterPlanes();
4787
4788         R_RenderScene();
4789         r_waterstate.numwaterplanes = 0;
4790
4791         R_BlendView();
4792         if (r_timereport_active)
4793                 R_TimeReport("blendview");
4794
4795         GL_Scissor(0, 0, vid.width, vid.height);
4796         GL_ScissorTest(false);
4797         CHECKGLERROR
4798 }
4799
4800 void R_RenderWaterPlanes(void)
4801 {
4802         if (cl.csqc_vidvars.drawworld && r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->DrawAddWaterPlanes)
4803         {
4804                 r_refdef.scene.worldmodel->DrawAddWaterPlanes(r_refdef.scene.worldentity);
4805                 if (r_timereport_active)
4806                         R_TimeReport("waterworld");
4807         }
4808
4809         // don't let sound skip if going slow
4810         if (r_refdef.scene.extraupdate)
4811                 S_ExtraUpdate ();
4812
4813         R_DrawModelsAddWaterPlanes();
4814         if (r_timereport_active)
4815                 R_TimeReport("watermodels");
4816
4817         if (r_waterstate.numwaterplanes)
4818         {
4819                 R_Water_ProcessPlanes();
4820                 if (r_timereport_active)
4821                         R_TimeReport("waterscenes");
4822         }
4823 }
4824
4825 extern void R_DrawLightningBeams (void);
4826 extern void VM_CL_AddPolygonsToMeshQueue (void);
4827 extern void R_DrawPortals (void);
4828 extern cvar_t cl_locs_show;
4829 static void R_DrawLocs(void);
4830 static void R_DrawEntityBBoxes(void);
4831 void R_RenderScene(void)
4832 {
4833         r_refdef.stats.renders++;
4834
4835         R_UpdateFogColor();
4836
4837         // don't let sound skip if going slow
4838         if (r_refdef.scene.extraupdate)
4839                 S_ExtraUpdate ();
4840
4841         R_MeshQueue_BeginScene();
4842
4843         R_SkyStartFrame();
4844
4845         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);
4846
4847         if (cl.csqc_vidvars.drawworld)
4848         {
4849                 // don't let sound skip if going slow
4850                 if (r_refdef.scene.extraupdate)
4851                         S_ExtraUpdate ();
4852
4853                 if (r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->DrawSky)
4854                 {
4855                         r_refdef.scene.worldmodel->DrawSky(r_refdef.scene.worldentity);
4856                         if (r_timereport_active)
4857                                 R_TimeReport("worldsky");
4858                 }
4859
4860                 if (R_DrawBrushModelsSky() && r_timereport_active)
4861                         R_TimeReport("bmodelsky");
4862
4863                 if (skyrendermasked && skyrenderlater)
4864                 {
4865                         // we have to force off the water clipping plane while rendering sky
4866                         R_SetupView(false);
4867                         R_Sky();
4868                         R_SetupView(true);
4869                 }
4870         }
4871
4872         R_AnimCache_CacheVisibleEntities();
4873
4874         if (r_depthfirst.integer >= 1 && cl.csqc_vidvars.drawworld && r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->DrawDepth)
4875         {
4876                 r_refdef.scene.worldmodel->DrawDepth(r_refdef.scene.worldentity);
4877                 if (r_timereport_active)
4878                         R_TimeReport("worlddepth");
4879         }
4880         if (r_depthfirst.integer >= 2)
4881         {
4882                 R_DrawModelsDepth();
4883                 if (r_timereport_active)
4884                         R_TimeReport("modeldepth");
4885         }
4886
4887         if (cl.csqc_vidvars.drawworld && r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->Draw)
4888         {
4889                 r_refdef.scene.worldmodel->Draw(r_refdef.scene.worldentity);
4890                 if (r_timereport_active)
4891                         R_TimeReport("world");
4892         }
4893
4894         // don't let sound skip if going slow
4895         if (r_refdef.scene.extraupdate)
4896                 S_ExtraUpdate ();
4897
4898         R_DrawModels();
4899         if (r_timereport_active)
4900                 R_TimeReport("models");
4901
4902         // don't let sound skip if going slow
4903         if (r_refdef.scene.extraupdate)
4904                 S_ExtraUpdate ();
4905
4906         if (r_shadows.integer > 0 && !r_shadows_drawafterrtlighting.integer && r_refdef.lightmapintensity > 0)
4907         {
4908                 R_DrawModelShadows();
4909                 R_ResetViewRendering3D();
4910                 // don't let sound skip if going slow
4911                 if (r_refdef.scene.extraupdate)
4912                         S_ExtraUpdate ();
4913         }
4914
4915         R_ShadowVolumeLighting(false);
4916         if (r_timereport_active)
4917                 R_TimeReport("rtlights");
4918
4919         // don't let sound skip if going slow
4920         if (r_refdef.scene.extraupdate)
4921                 S_ExtraUpdate ();
4922
4923         if (r_shadows.integer > 0 && r_shadows_drawafterrtlighting.integer && r_refdef.lightmapintensity > 0)
4924         {
4925                 R_DrawModelShadows();
4926                 R_ResetViewRendering3D();
4927                 // don't let sound skip if going slow
4928                 if (r_refdef.scene.extraupdate)
4929                         S_ExtraUpdate ();
4930         }
4931
4932         if (cl.csqc_vidvars.drawworld)
4933         {
4934                 R_DrawLightningBeams();
4935                 if (r_timereport_active)
4936                         R_TimeReport("lightning");
4937
4938                 R_DrawDecals();
4939                 if (r_timereport_active)
4940                         R_TimeReport("decals");
4941
4942                 R_DrawParticles();
4943                 if (r_timereport_active)
4944                         R_TimeReport("particles");
4945
4946                 R_DrawExplosions();
4947                 if (r_timereport_active)
4948                         R_TimeReport("explosions");
4949         }
4950
4951         R_SetupGenericShader(true);
4952         VM_CL_AddPolygonsToMeshQueue();
4953
4954         if (r_refdef.view.showdebug)
4955         {
4956                 if (cl_locs_show.integer)
4957                 {
4958                         R_DrawLocs();
4959                         if (r_timereport_active)
4960                                 R_TimeReport("showlocs");
4961                 }
4962
4963                 if (r_drawportals.integer)
4964                 {
4965                         R_DrawPortals();
4966                         if (r_timereport_active)
4967                                 R_TimeReport("portals");
4968                 }
4969
4970                 if (r_showbboxes.value > 0)
4971                 {
4972                         R_DrawEntityBBoxes();
4973                         if (r_timereport_active)
4974                                 R_TimeReport("bboxes");
4975                 }
4976         }
4977
4978         R_SetupGenericShader(true);
4979         R_MeshQueue_RenderTransparent();
4980         if (r_timereport_active)
4981                 R_TimeReport("drawtrans");
4982
4983         R_SetupGenericShader(true);
4984
4985         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))
4986         {
4987                 r_refdef.scene.worldmodel->DrawDebug(r_refdef.scene.worldentity);
4988                 if (r_timereport_active)
4989                         R_TimeReport("worlddebug");
4990                 R_DrawModelsDebug();
4991                 if (r_timereport_active)
4992                         R_TimeReport("modeldebug");
4993         }
4994
4995         R_SetupGenericShader(true);
4996
4997         if (cl.csqc_vidvars.drawworld)
4998         {
4999                 R_DrawCoronas();
5000                 if (r_timereport_active)
5001                         R_TimeReport("coronas");
5002         }
5003
5004         // don't let sound skip if going slow
5005         if (r_refdef.scene.extraupdate)
5006                 S_ExtraUpdate ();
5007
5008         R_ResetViewRendering2D();
5009 }
5010
5011 static const unsigned short bboxelements[36] =
5012 {
5013         5, 1, 3, 5, 3, 7,
5014         6, 2, 0, 6, 0, 4,
5015         7, 3, 2, 7, 2, 6,
5016         4, 0, 1, 4, 1, 5,
5017         4, 5, 7, 4, 7, 6,
5018         1, 0, 2, 1, 2, 3,
5019 };
5020
5021 void R_DrawBBoxMesh(vec3_t mins, vec3_t maxs, float cr, float cg, float cb, float ca)
5022 {
5023         int i;
5024         float *v, *c, f1, f2, vertex3f[8*3], color4f[8*4];
5025         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
5026         GL_DepthMask(false);
5027         GL_DepthRange(0, 1);
5028         GL_PolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);
5029         R_Mesh_Matrix(&identitymatrix);
5030         R_Mesh_ResetTextureState();
5031
5032         // set up global fogging in worldspace (RSurf_FogVertex depends on this)
5033         VectorCopy(r_refdef.view.origin, rsurface.localvieworigin);
5034         rsurface.fograngerecip = r_refdef.fograngerecip;
5035
5036         vertex3f[ 0] = mins[0];vertex3f[ 1] = mins[1];vertex3f[ 2] = mins[2]; //
5037         vertex3f[ 3] = maxs[0];vertex3f[ 4] = mins[1];vertex3f[ 5] = mins[2];
5038         vertex3f[ 6] = mins[0];vertex3f[ 7] = maxs[1];vertex3f[ 8] = mins[2];
5039         vertex3f[ 9] = maxs[0];vertex3f[10] = maxs[1];vertex3f[11] = mins[2];
5040         vertex3f[12] = mins[0];vertex3f[13] = mins[1];vertex3f[14] = maxs[2];
5041         vertex3f[15] = maxs[0];vertex3f[16] = mins[1];vertex3f[17] = maxs[2];
5042         vertex3f[18] = mins[0];vertex3f[19] = maxs[1];vertex3f[20] = maxs[2];
5043         vertex3f[21] = maxs[0];vertex3f[22] = maxs[1];vertex3f[23] = maxs[2];
5044         R_FillColors(color4f, 8, cr, cg, cb, ca);
5045         if (r_refdef.fogenabled)
5046         {
5047                 for (i = 0, v = vertex3f, c = color4f;i < 8;i++, v += 3, c += 4)
5048                 {
5049                         f1 = RSurf_FogVertex(v);
5050                         f2 = 1 - f1;
5051                         c[0] = c[0] * f1 + r_refdef.fogcolor[0] * f2;
5052                         c[1] = c[1] * f1 + r_refdef.fogcolor[1] * f2;
5053                         c[2] = c[2] * f1 + r_refdef.fogcolor[2] * f2;
5054                 }
5055         }
5056         R_Mesh_VertexPointer(vertex3f, 0, 0);
5057         R_Mesh_ColorPointer(color4f, 0, 0);
5058         R_Mesh_ResetTextureState();
5059         R_SetupGenericShader(false);
5060         R_Mesh_Draw(0, 8, 0, 12, NULL, bboxelements, 0, 0);
5061 }
5062
5063 static void R_DrawEntityBBoxes_Callback(const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist)
5064 {
5065         int i;
5066         float color[4];
5067         prvm_edict_t *edict;
5068         prvm_prog_t *prog_save = prog;
5069
5070         // this function draws bounding boxes of server entities
5071         if (!sv.active)
5072                 return;
5073
5074         GL_CullFace(GL_NONE);
5075         R_SetupGenericShader(false);
5076
5077         prog = 0;
5078         SV_VM_Begin();
5079         for (i = 0;i < numsurfaces;i++)
5080         {
5081                 edict = PRVM_EDICT_NUM(surfacelist[i]);
5082                 switch ((int)edict->fields.server->solid)
5083                 {
5084                         case SOLID_NOT:      Vector4Set(color, 1, 1, 1, 0.05);break;
5085                         case SOLID_TRIGGER:  Vector4Set(color, 1, 0, 1, 0.10);break;
5086                         case SOLID_BBOX:     Vector4Set(color, 0, 1, 0, 0.10);break;
5087                         case SOLID_SLIDEBOX: Vector4Set(color, 1, 0, 0, 0.10);break;
5088                         case SOLID_BSP:      Vector4Set(color, 0, 0, 1, 0.05);break;
5089                         default:             Vector4Set(color, 0, 0, 0, 0.50);break;
5090                 }
5091                 color[3] *= r_showbboxes.value;
5092                 color[3] = bound(0, color[3], 1);
5093                 GL_DepthTest(!r_showdisabledepthtest.integer);
5094                 GL_CullFace(r_refdef.view.cullface_front);
5095                 R_DrawBBoxMesh(edict->priv.server->areamins, edict->priv.server->areamaxs, color[0], color[1], color[2], color[3]);
5096         }
5097         SV_VM_End();
5098         prog = prog_save;
5099 }
5100
5101 static void R_DrawEntityBBoxes(void)
5102 {
5103         int i;
5104         prvm_edict_t *edict;
5105         vec3_t center;
5106         prvm_prog_t *prog_save = prog;
5107
5108         // this function draws bounding boxes of server entities
5109         if (!sv.active)
5110                 return;
5111
5112         prog = 0;
5113         SV_VM_Begin();
5114         for (i = 0;i < prog->num_edicts;i++)
5115         {
5116                 edict = PRVM_EDICT_NUM(i);
5117                 if (edict->priv.server->free)
5118                         continue;
5119                 // exclude the following for now, as they don't live in world coordinate space and can't be solid:
5120                 if(PRVM_EDICTFIELDVALUE(edict, prog->fieldoffsets.tag_entity)->edict != 0)
5121                         continue;
5122                 if(PRVM_EDICTFIELDVALUE(edict, prog->fieldoffsets.viewmodelforclient)->edict != 0)
5123                         continue;
5124                 VectorLerp(edict->priv.server->areamins, 0.5f, edict->priv.server->areamaxs, center);
5125                 R_MeshQueue_AddTransparent(center, R_DrawEntityBBoxes_Callback, (entity_render_t *)NULL, i, (rtlight_t *)NULL);
5126         }
5127         SV_VM_End();
5128         prog = prog_save;
5129 }
5130
5131 static const int nomodelelement3i[24] =
5132 {
5133         5, 2, 0,
5134         5, 1, 2,
5135         5, 0, 3,
5136         5, 3, 1,
5137         0, 2, 4,
5138         2, 1, 4,
5139         3, 0, 4,
5140         1, 3, 4
5141 };
5142
5143 static const unsigned short nomodelelement3s[24] =
5144 {
5145         5, 2, 0,
5146         5, 1, 2,
5147         5, 0, 3,
5148         5, 3, 1,
5149         0, 2, 4,
5150         2, 1, 4,
5151         3, 0, 4,
5152         1, 3, 4
5153 };
5154
5155 static const float nomodelvertex3f[6*3] =
5156 {
5157         -16,   0,   0,
5158          16,   0,   0,
5159           0, -16,   0,
5160           0,  16,   0,
5161           0,   0, -16,
5162           0,   0,  16
5163 };
5164
5165 static const float nomodelcolor4f[6*4] =
5166 {
5167         0.0f, 0.0f, 0.5f, 1.0f,
5168         0.0f, 0.0f, 0.5f, 1.0f,
5169         0.0f, 0.5f, 0.0f, 1.0f,
5170         0.0f, 0.5f, 0.0f, 1.0f,
5171         0.5f, 0.0f, 0.0f, 1.0f,
5172         0.5f, 0.0f, 0.0f, 1.0f
5173 };
5174
5175 void R_DrawNoModel_TransparentCallback(const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist)
5176 {
5177         int i;
5178         float f1, f2, *c;
5179         float color4f[6*4];
5180
5181         // set up global fogging in worldspace (RSurf_FogVertex depends on this)
5182         VectorCopy(r_refdef.view.origin, rsurface.localvieworigin);
5183         rsurface.fograngerecip = r_refdef.fograngerecip;
5184
5185         // this is only called once per entity so numsurfaces is always 1, and
5186         // surfacelist is always {0}, so this code does not handle batches
5187         R_Mesh_Matrix(&ent->matrix);
5188
5189         if (rsurface.ent_flags & RENDER_ADDITIVE)
5190         {
5191                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
5192                 GL_DepthMask(false);
5193         }
5194         else if (ent->alpha < 1)
5195         {
5196                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
5197                 GL_DepthMask(false);
5198         }
5199         else
5200         {
5201                 GL_BlendFunc(GL_ONE, GL_ZERO);
5202                 GL_DepthMask(true);
5203         }
5204         GL_DepthRange(0, (ent->flags & RENDER_VIEWMODEL) ? 0.0625 : 1);
5205         GL_PolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);
5206         GL_DepthTest(!(ent->effects & EF_NODEPTHTEST));
5207         GL_CullFace((ent->effects & EF_DOUBLESIDED) ? GL_NONE : r_refdef.view.cullface_back);
5208         R_SetupGenericShader(false);
5209         R_Mesh_VertexPointer(nomodelvertex3f, 0, 0);
5210         if (r_refdef.fogenabled)
5211         {
5212                 vec3_t org;
5213                 memcpy(color4f, nomodelcolor4f, sizeof(float[6*4]));
5214                 R_Mesh_ColorPointer(color4f, 0, 0);
5215                 Matrix4x4_OriginFromMatrix(&ent->matrix, org);
5216                 f1 = RSurf_FogVertex(org);
5217                 f2 = 1 - f1;
5218                 for (i = 0, c = color4f;i < 6;i++, c += 4)
5219                 {
5220                         c[0] = (c[0] * f1 + r_refdef.fogcolor[0] * f2);
5221                         c[1] = (c[1] * f1 + r_refdef.fogcolor[1] * f2);
5222                         c[2] = (c[2] * f1 + r_refdef.fogcolor[2] * f2);
5223                         c[3] *= ent->alpha;
5224                 }
5225         }
5226         else if (ent->alpha != 1)
5227         {
5228                 memcpy(color4f, nomodelcolor4f, sizeof(float[6*4]));
5229                 R_Mesh_ColorPointer(color4f, 0, 0);
5230                 for (i = 0, c = color4f;i < 6;i++, c += 4)
5231                         c[3] *= ent->alpha;
5232         }
5233         else
5234                 R_Mesh_ColorPointer(nomodelcolor4f, 0, 0);
5235         R_Mesh_ResetTextureState();
5236         R_Mesh_Draw(0, 6, 0, 8, nomodelelement3i, nomodelelement3s, 0, 0);
5237 }
5238
5239 void R_DrawNoModel(entity_render_t *ent)
5240 {
5241         vec3_t org;
5242         Matrix4x4_OriginFromMatrix(&ent->matrix, org);
5243         if ((ent->flags & RENDER_ADDITIVE) || (ent->alpha < 1))
5244                 R_MeshQueue_AddTransparent(ent->flags & RENDER_NODEPTHTEST ? r_refdef.view.origin : org, R_DrawNoModel_TransparentCallback, ent, 0, rsurface.rtlight);
5245         else
5246                 R_DrawNoModel_TransparentCallback(ent, rsurface.rtlight, 0, NULL);
5247 }
5248
5249 void R_CalcBeam_Vertex3f (float *vert, const vec3_t org1, const vec3_t org2, float width)
5250 {
5251         vec3_t right1, right2, diff, normal;
5252
5253         VectorSubtract (org2, org1, normal);
5254
5255         // calculate 'right' vector for start
5256         VectorSubtract (r_refdef.view.origin, org1, diff);
5257         CrossProduct (normal, diff, right1);
5258         VectorNormalize (right1);
5259
5260         // calculate 'right' vector for end
5261         VectorSubtract (r_refdef.view.origin, org2, diff);
5262         CrossProduct (normal, diff, right2);
5263         VectorNormalize (right2);
5264
5265         vert[ 0] = org1[0] + width * right1[0];
5266         vert[ 1] = org1[1] + width * right1[1];
5267         vert[ 2] = org1[2] + width * right1[2];
5268         vert[ 3] = org1[0] - width * right1[0];
5269         vert[ 4] = org1[1] - width * right1[1];
5270         vert[ 5] = org1[2] - width * right1[2];
5271         vert[ 6] = org2[0] - width * right2[0];
5272         vert[ 7] = org2[1] - width * right2[1];
5273         vert[ 8] = org2[2] - width * right2[2];
5274         vert[ 9] = org2[0] + width * right2[0];
5275         vert[10] = org2[1] + width * right2[1];
5276         vert[11] = org2[2] + width * right2[2];
5277 }
5278
5279 float spritetexcoord2f[4*2] = {0, 1, 0, 0, 1, 0, 1, 1};
5280
5281 void R_DrawSprite(int blendfunc1, int blendfunc2, rtexture_t *texture, rtexture_t *fogtexture, qboolean depthdisable, qboolean depthshort, const vec3_t origin, const vec3_t left, const vec3_t up, float scalex1, float scalex2, float scaley1, float scaley2, float cr, float cg, float cb, float ca)
5282 {
5283         // NOTE: this must not call qglDepthFunc (see r_shadow.c, R_BeginCoronaQuery) thanks to ATI
5284         float fog = 1.0f;
5285         float vertex3f[12];
5286
5287         // set up global fogging in worldspace (RSurf_FogVertex depends on this)
5288         VectorCopy(r_refdef.view.origin, rsurface.localvieworigin);
5289         rsurface.fograngerecip = r_refdef.fograngerecip;
5290
5291         if (r_refdef.fogenabled && !depthdisable) // TODO maybe make the unfog effect a separate flag?
5292                 fog = RSurf_FogVertex(origin);
5293
5294         R_Mesh_Matrix(&identitymatrix);
5295         GL_BlendFunc(blendfunc1, blendfunc2);
5296
5297         GL_CullFace(GL_NONE);
5298
5299         GL_DepthMask(false);
5300         GL_DepthRange(0, depthshort ? 0.0625 : 1);
5301         GL_PolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);
5302         GL_DepthTest(!depthdisable);
5303
5304         vertex3f[ 0] = origin[0] + left[0] * scalex2 + up[0] * scaley1;
5305         vertex3f[ 1] = origin[1] + left[1] * scalex2 + up[1] * scaley1;
5306         vertex3f[ 2] = origin[2] + left[2] * scalex2 + up[2] * scaley1;
5307         vertex3f[ 3] = origin[0] + left[0] * scalex2 + up[0] * scaley2;
5308         vertex3f[ 4] = origin[1] + left[1] * scalex2 + up[1] * scaley2;
5309         vertex3f[ 5] = origin[2] + left[2] * scalex2 + up[2] * scaley2;
5310         vertex3f[ 6] = origin[0] + left[0] * scalex1 + up[0] * scaley2;
5311         vertex3f[ 7] = origin[1] + left[1] * scalex1 + up[1] * scaley2;
5312         vertex3f[ 8] = origin[2] + left[2] * scalex1 + up[2] * scaley2;
5313         vertex3f[ 9] = origin[0] + left[0] * scalex1 + up[0] * scaley1;
5314         vertex3f[10] = origin[1] + left[1] * scalex1 + up[1] * scaley1;
5315         vertex3f[11] = origin[2] + left[2] * scalex1 + up[2] * scaley1;
5316
5317         R_Mesh_VertexPointer(vertex3f, 0, 0);
5318         R_Mesh_ColorPointer(NULL, 0, 0);
5319         R_Mesh_ResetTextureState();
5320         R_SetupGenericShader(true);
5321         R_Mesh_TexBind(0, R_GetTexture(texture));
5322         R_Mesh_TexCoordPointer(0, 2, spritetexcoord2f, 0, 0);
5323         // FIXME: fixed function path can't properly handle r_refdef.view.colorscale > 1
5324         GL_Color(cr * fog * r_refdef.view.colorscale, cg * fog * r_refdef.view.colorscale, cb * fog * r_refdef.view.colorscale, ca);
5325         R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, polygonelement3s, 0, 0);
5326
5327         if (blendfunc2 == GL_ONE_MINUS_SRC_ALPHA)
5328         {
5329                 R_Mesh_TexBind(0, R_GetTexture(fogtexture));
5330                 GL_BlendFunc(blendfunc1, GL_ONE);
5331                 fog = 1 - fog;
5332                 GL_Color(r_refdef.fogcolor[0] * fog, r_refdef.fogcolor[1] * fog, r_refdef.fogcolor[2] * fog, ca);
5333                 R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, polygonelement3s, 0, 0);
5334         }
5335 }
5336
5337 int R_Mesh_AddVertex(rmesh_t *mesh, float x, float y, float z)
5338 {
5339         int i;
5340         float *vertex3f;
5341         float v[3];
5342         VectorSet(v, x, y, z);
5343         for (i = 0, vertex3f = mesh->vertex3f;i < mesh->numvertices;i++, vertex3f += 3)
5344                 if (VectorDistance2(v, vertex3f) < mesh->epsilon2)
5345                         break;
5346         if (i == mesh->numvertices)
5347         {
5348                 if (mesh->numvertices < mesh->maxvertices)
5349                 {
5350                         VectorCopy(v, vertex3f);
5351                         mesh->numvertices++;
5352                 }
5353                 return mesh->numvertices;
5354         }
5355         else
5356                 return i;
5357 }
5358
5359 void R_Mesh_AddPolygon3f(rmesh_t *mesh, int numvertices, float *vertex3f)
5360 {
5361         int i;
5362         int *e, element[3];
5363         element[0] = R_Mesh_AddVertex(mesh, vertex3f[0], vertex3f[1], vertex3f[2]);vertex3f += 3;
5364         element[1] = R_Mesh_AddVertex(mesh, vertex3f[0], vertex3f[1], vertex3f[2]);vertex3f += 3;
5365         e = mesh->element3i + mesh->numtriangles * 3;
5366         for (i = 0;i < numvertices - 2;i++, vertex3f += 3)
5367         {
5368                 element[2] = R_Mesh_AddVertex(mesh, vertex3f[0], vertex3f[1], vertex3f[2]);
5369                 if (mesh->numtriangles < mesh->maxtriangles)
5370                 {
5371                         *e++ = element[0];
5372                         *e++ = element[1];
5373                         *e++ = element[2];
5374                         mesh->numtriangles++;
5375                 }
5376                 element[1] = element[2];
5377         }
5378 }
5379
5380 void R_Mesh_AddPolygon3d(rmesh_t *mesh, int numvertices, double *vertex3d)
5381 {
5382         int i;
5383         int *e, element[3];
5384         element[0] = R_Mesh_AddVertex(mesh, vertex3d[0], vertex3d[1], vertex3d[2]);vertex3d += 3;
5385         element[1] = R_Mesh_AddVertex(mesh, vertex3d[0], vertex3d[1], vertex3d[2]);vertex3d += 3;
5386         e = mesh->element3i + mesh->numtriangles * 3;
5387         for (i = 0;i < numvertices - 2;i++, vertex3d += 3)
5388         {
5389                 element[2] = R_Mesh_AddVertex(mesh, vertex3d[0], vertex3d[1], vertex3d[2]);
5390                 if (mesh->numtriangles < mesh->maxtriangles)
5391                 {
5392                         *e++ = element[0];
5393                         *e++ = element[1];
5394                         *e++ = element[2];
5395                         mesh->numtriangles++;
5396                 }
5397                 element[1] = element[2];
5398         }
5399 }
5400
5401 #define R_MESH_PLANE_DIST_EPSILON (1.0 / 32.0)
5402 void R_Mesh_AddBrushMeshFromPlanes(rmesh_t *mesh, int numplanes, mplane_t *planes)
5403 {
5404         int planenum, planenum2;
5405         int w;
5406         int tempnumpoints;
5407         mplane_t *plane, *plane2;
5408         double maxdist;
5409         double temppoints[2][256*3];
5410         // figure out how large a bounding box we need to properly compute this brush
5411         maxdist = 0;
5412         for (w = 0;w < numplanes;w++)
5413                 maxdist = max(maxdist, fabs(planes[w].dist));
5414         // now make it large enough to enclose the entire brush, and round it off to a reasonable multiple of 1024
5415         maxdist = floor(maxdist * (4.0 / 1024.0) + 1) * 1024.0;
5416         for (planenum = 0, plane = planes;planenum < numplanes;planenum++, plane++)
5417         {
5418                 w = 0;
5419                 tempnumpoints = 4;
5420                 PolygonD_QuadForPlane(temppoints[w], plane->normal[0], plane->normal[1], plane->normal[2], plane->dist, maxdist);
5421                 for (planenum2 = 0, plane2 = planes;planenum2 < numplanes && tempnumpoints >= 3;planenum2++, plane2++)
5422                 {
5423                         if (planenum2 == planenum)
5424                                 continue;
5425                         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);
5426                         w = !w;
5427                 }
5428                 if (tempnumpoints < 3)
5429                         continue;
5430                 // generate elements forming a triangle fan for this polygon
5431                 R_Mesh_AddPolygon3d(mesh, tempnumpoints, temppoints[w]);
5432         }
5433 }
5434
5435 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)
5436 {
5437         texturelayer_t *layer;
5438         layer = t->currentlayers + t->currentnumlayers++;
5439         layer->type = type;
5440         layer->depthmask = depthmask;
5441         layer->blendfunc1 = blendfunc1;
5442         layer->blendfunc2 = blendfunc2;
5443         layer->texture = texture;
5444         layer->texmatrix = *matrix;
5445         layer->color[0] = r * r_refdef.view.colorscale;
5446         layer->color[1] = g * r_refdef.view.colorscale;
5447         layer->color[2] = b * r_refdef.view.colorscale;
5448         layer->color[3] = a;
5449 }
5450
5451 static float R_EvaluateQ3WaveFunc(q3wavefunc_t func, const float *parms)
5452 {
5453         double index, f;
5454         index = parms[2] + r_refdef.scene.time * parms[3];
5455         index -= floor(index);
5456         switch (func)
5457         {
5458         default:
5459         case Q3WAVEFUNC_NONE:
5460         case Q3WAVEFUNC_NOISE:
5461         case Q3WAVEFUNC_COUNT:
5462                 f = 0;
5463                 break;
5464         case Q3WAVEFUNC_SIN: f = sin(index * M_PI * 2);break;
5465         case Q3WAVEFUNC_SQUARE: f = index < 0.5 ? 1 : -1;break;
5466         case Q3WAVEFUNC_SAWTOOTH: f = index;break;
5467         case Q3WAVEFUNC_INVERSESAWTOOTH: f = 1 - index;break;
5468         case Q3WAVEFUNC_TRIANGLE:
5469                 index *= 4;
5470                 f = index - floor(index);
5471                 if (index < 1)
5472                         f = f;
5473                 else if (index < 2)
5474                         f = 1 - f;
5475                 else if (index < 3)
5476                         f = -f;
5477                 else
5478                         f = -(1 - f);
5479                 break;
5480         }
5481         return (float)(parms[0] + parms[1] * f);
5482 }
5483
5484 void R_tcMod_ApplyToMatrix(matrix4x4_t *texmatrix, q3shaderinfo_layer_tcmod_t *tcmod, int currentmaterialflags)
5485 {
5486         int w, h, idx;
5487         float f;
5488         float tcmat[12];
5489         matrix4x4_t matrix, temp;
5490         switch(tcmod->tcmod)
5491         {
5492                 case Q3TCMOD_COUNT:
5493                 case Q3TCMOD_NONE:
5494                         if (currentmaterialflags & MATERIALFLAG_WATERSCROLL)
5495                                 matrix = r_waterscrollmatrix;
5496                         else
5497                                 matrix = identitymatrix;
5498                         break;
5499                 case Q3TCMOD_ENTITYTRANSLATE:
5500                         // this is used in Q3 to allow the gamecode to control texcoord
5501                         // scrolling on the entity, which is not supported in darkplaces yet.
5502                         Matrix4x4_CreateTranslate(&matrix, 0, 0, 0);
5503                         break;
5504                 case Q3TCMOD_ROTATE:
5505                         Matrix4x4_CreateTranslate(&matrix, 0.5, 0.5, 0);
5506                         Matrix4x4_ConcatRotate(&matrix, tcmod->parms[0] * r_refdef.scene.time, 0, 0, 1);
5507                         Matrix4x4_ConcatTranslate(&matrix, -0.5, -0.5, 0);
5508                         break;
5509                 case Q3TCMOD_SCALE:
5510                         Matrix4x4_CreateScale3(&matrix, tcmod->parms[0], tcmod->parms[1], 1);
5511                         break;
5512                 case Q3TCMOD_SCROLL:
5513                         Matrix4x4_CreateTranslate(&matrix, tcmod->parms[0] * r_refdef.scene.time, tcmod->parms[1] * r_refdef.scene.time, 0);
5514                         break;
5515                 case Q3TCMOD_PAGE: // poor man's animmap (to store animations into a single file, useful for HTTP downloaded textures)
5516                         w = (int) tcmod->parms[0];
5517                         h = (int) tcmod->parms[1];
5518                         f = r_refdef.scene.time / (tcmod->parms[2] * w * h);
5519                         f = f - floor(f);
5520                         idx = (int) floor(f * w * h);
5521                         Matrix4x4_CreateTranslate(&matrix, (idx % w) / tcmod->parms[0], (idx / w) / tcmod->parms[1], 0);
5522                         break;
5523                 case Q3TCMOD_STRETCH:
5524                         f = 1.0f / R_EvaluateQ3WaveFunc(tcmod->wavefunc, tcmod->waveparms);
5525                         Matrix4x4_CreateFromQuakeEntity(&matrix, 0.5f * (1 - f), 0.5 * (1 - f), 0, 0, 0, 0, f);
5526                         break;
5527                 case Q3TCMOD_TRANSFORM:
5528                         VectorSet(tcmat +  0, tcmod->parms[0], tcmod->parms[1], 0);
5529                         VectorSet(tcmat +  3, tcmod->parms[2], tcmod->parms[3], 0);
5530                         VectorSet(tcmat +  6, 0                   , 0                , 1);
5531                         VectorSet(tcmat +  9, tcmod->parms[4], tcmod->parms[5], 0);
5532                         Matrix4x4_FromArray12FloatGL(&matrix, tcmat);
5533                         break;
5534                 case Q3TCMOD_TURBULENT:
5535                         // this is handled in the RSurf_PrepareVertices function
5536                         matrix = identitymatrix;
5537                         break;
5538         }
5539         temp = *texmatrix;
5540         Matrix4x4_Concat(texmatrix, &matrix, &temp);
5541 }
5542
5543 void R_LoadQWSkin(r_qwskincache_t *cache, const char *skinname)
5544 {
5545         int textureflags = TEXF_PRECACHE | (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_PICMIP | TEXF_COMPRESS;
5546         char name[MAX_QPATH];
5547         skinframe_t *skinframe;
5548         unsigned char pixels[296*194];
5549         strlcpy(cache->name, skinname, sizeof(cache->name));
5550         dpsnprintf(name, sizeof(name), "skins/%s.pcx", cache->name);
5551         if (developer_loading.integer)
5552                 Con_Printf("loading %s\n", name);
5553         skinframe = R_SkinFrame_Find(name, textureflags, 0, 0, 0, false);
5554         if (!skinframe || !skinframe->base)
5555         {
5556                 unsigned char *f;
5557                 fs_offset_t filesize;
5558                 skinframe = NULL;
5559                 f = FS_LoadFile(name, tempmempool, true, &filesize);
5560                 if (f)
5561                 {
5562                         if (LoadPCX_QWSkin(f, filesize, pixels, 296, 194))
5563                                 skinframe = R_SkinFrame_LoadInternalQuake(name, textureflags, true, r_fullbrights.integer, pixels, image_width, image_height);
5564                         Mem_Free(f);
5565                 }
5566         }
5567         cache->skinframe = skinframe;
5568 }
5569
5570 texture_t *R_GetCurrentTexture(texture_t *t)
5571 {
5572         int i;
5573         const entity_render_t *ent = rsurface.entity;
5574         dp_model_t *model = ent->model;
5575         q3shaderinfo_layer_tcmod_t *tcmod;
5576
5577         if (t->update_lastrenderframe == r_frame && t->update_lastrenderentity == (void *)ent)
5578                 return t->currentframe;
5579         t->update_lastrenderframe = r_frame;
5580         t->update_lastrenderentity = (void *)ent;
5581
5582         // switch to an alternate material if this is a q1bsp animated material
5583         {
5584                 texture_t *texture = t;
5585                 int s = rsurface.ent_skinnum;
5586                 if ((unsigned int)s >= (unsigned int)model->numskins)
5587                         s = 0;
5588                 if (model->skinscenes)
5589                 {
5590                         if (model->skinscenes[s].framecount > 1)
5591                                 s = model->skinscenes[s].firstframe + (unsigned int) (r_refdef.scene.time * model->skinscenes[s].framerate) % model->skinscenes[s].framecount;
5592                         else
5593                                 s = model->skinscenes[s].firstframe;
5594                 }
5595                 if (s > 0)
5596                         t = t + s * model->num_surfaces;
5597                 if (t->animated)
5598                 {
5599                         // use an alternate animation if the entity's frame is not 0,
5600                         // and only if the texture has an alternate animation
5601                         if (rsurface.frameblend[0].subframe != 0 && t->anim_total[1])
5602                                 t = t->anim_frames[1][(t->anim_total[1] >= 2) ? ((int)(r_refdef.scene.time * 5.0f) % t->anim_total[1]) : 0];
5603                         else
5604                                 t = t->anim_frames[0][(t->anim_total[0] >= 2) ? ((int)(r_refdef.scene.time * 5.0f) % t->anim_total[0]) : 0];
5605                 }
5606                 texture->currentframe = t;
5607         }
5608
5609         // update currentskinframe to be a qw skin or animation frame
5610         if (rsurface.ent_qwskin >= 0)
5611         {
5612                 i = rsurface.ent_qwskin;
5613                 if (!r_qwskincache || r_qwskincache_size != cl.maxclients)
5614                 {
5615                         r_qwskincache_size = cl.maxclients;
5616                         if (r_qwskincache)
5617                                 Mem_Free(r_qwskincache);
5618                         r_qwskincache = Mem_Alloc(r_main_mempool, sizeof(*r_qwskincache) * r_qwskincache_size);
5619                 }
5620                 if (strcmp(r_qwskincache[i].name, cl.scores[i].qw_skin))
5621                         R_LoadQWSkin(&r_qwskincache[i], cl.scores[i].qw_skin);
5622                 t->currentskinframe = r_qwskincache[i].skinframe;
5623                 if (t->currentskinframe == NULL)
5624                         t->currentskinframe = t->skinframes[(int)(t->skinframerate * (cl.time - rsurface.ent_shadertime)) % t->numskinframes];
5625         }
5626         else if (t->numskinframes >= 2)
5627                 t->currentskinframe = t->skinframes[(int)(t->skinframerate * (cl.time - rsurface.ent_shadertime)) % t->numskinframes];
5628         if (t->backgroundnumskinframes >= 2)
5629                 t->backgroundcurrentskinframe = t->backgroundskinframes[(int)(t->backgroundskinframerate * (cl.time - rsurface.ent_shadertime)) % t->backgroundnumskinframes];
5630
5631         t->currentmaterialflags = t->basematerialflags;
5632         t->currentalpha = rsurface.ent_color[3];
5633         if (t->basematerialflags & MATERIALFLAG_WATERALPHA && (model->brush.supportwateralpha || r_novis.integer))
5634                 t->currentalpha *= r_wateralpha.value;
5635         if(t->basematerialflags & MATERIALFLAG_WATERSHADER && r_waterstate.enabled && !r_refdef.view.isoverlay)
5636                 t->currentalpha *= t->r_water_wateralpha;
5637         if(!r_waterstate.enabled || r_refdef.view.isoverlay)
5638                 t->currentmaterialflags &= ~(MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION | MATERIALFLAG_REFLECTION);
5639         if (!(rsurface.ent_flags & RENDER_LIGHT))
5640                 t->currentmaterialflags |= MATERIALFLAG_FULLBRIGHT;
5641         else if (rsurface.modeltexcoordlightmap2f == NULL)
5642         {
5643                 // pick a model lighting mode
5644                 if (VectorLength2(rsurface.modellight_diffuse) >= (1.0f / 256.0f))
5645                         t->currentmaterialflags |= MATERIALFLAG_MODELLIGHT | MATERIALFLAG_MODELLIGHT_DIRECTIONAL;
5646                 else
5647                         t->currentmaterialflags |= MATERIALFLAG_MODELLIGHT;
5648         }
5649         if (rsurface.ent_flags & RENDER_ADDITIVE)
5650                 t->currentmaterialflags |= MATERIALFLAG_ADD | MATERIALFLAG_BLENDED | MATERIALFLAG_NOSHADOW;
5651         else if (t->currentalpha < 1)
5652                 t->currentmaterialflags |= MATERIALFLAG_ALPHA | MATERIALFLAG_BLENDED | MATERIALFLAG_NOSHADOW;
5653         if (rsurface.ent_flags & RENDER_DOUBLESIDED)
5654                 t->currentmaterialflags |= MATERIALFLAG_NOSHADOW | MATERIALFLAG_NOCULLFACE;
5655         if (rsurface.ent_flags & (RENDER_NODEPTHTEST | RENDER_VIEWMODEL))
5656                 t->currentmaterialflags |= MATERIALFLAG_SHORTDEPTHRANGE;
5657         if (t->backgroundnumskinframes)
5658                 t->currentmaterialflags |= MATERIALFLAG_VERTEXTEXTUREBLEND;
5659         if (t->currentmaterialflags & MATERIALFLAG_BLENDED)
5660         {
5661                 if (t->currentmaterialflags & (MATERIALFLAG_REFRACTION | MATERIALFLAG_WATERSHADER))
5662                         t->currentmaterialflags &= ~MATERIALFLAG_BLENDED;
5663         }
5664         else
5665                 t->currentmaterialflags &= ~(MATERIALFLAG_REFRACTION | MATERIALFLAG_WATERSHADER);
5666
5667         // there is no tcmod
5668         if (t->currentmaterialflags & MATERIALFLAG_WATERSCROLL)
5669         {
5670                 t->currenttexmatrix = r_waterscrollmatrix;
5671                 t->currentbackgroundtexmatrix = r_waterscrollmatrix;
5672         }
5673         else
5674         {
5675                 Matrix4x4_CreateIdentity(&t->currenttexmatrix);
5676                 Matrix4x4_CreateIdentity(&t->currentbackgroundtexmatrix);
5677         }
5678
5679         for (i = 0, tcmod = t->tcmods;i < Q3MAXTCMODS && tcmod->tcmod;i++, tcmod++)
5680                 R_tcMod_ApplyToMatrix(&t->currenttexmatrix, tcmod, t->currentmaterialflags);
5681         for (i = 0, tcmod = t->backgroundtcmods;i < Q3MAXTCMODS && tcmod->tcmod;i++, tcmod++)
5682                 R_tcMod_ApplyToMatrix(&t->currentbackgroundtexmatrix, tcmod, t->currentmaterialflags);
5683
5684         t->colormapping = VectorLength2(rsurface.colormap_pantscolor) + VectorLength2(rsurface.colormap_shirtcolor) >= (1.0f / 1048576.0f);
5685         t->basetexture = (!t->colormapping && t->currentskinframe->merged) ? t->currentskinframe->merged : t->currentskinframe->base;
5686         t->glosstexture = r_texture_black;
5687         t->backgroundbasetexture = t->backgroundnumskinframes ? ((!t->colormapping && t->backgroundcurrentskinframe->merged) ? t->backgroundcurrentskinframe->merged : t->backgroundcurrentskinframe->base) : r_texture_white;
5688         t->backgroundglosstexture = r_texture_black;
5689         t->specularpower = r_shadow_glossexponent.value;
5690         // TODO: store reference values for these in the texture?
5691         t->specularscale = 0;
5692         if (r_shadow_gloss.integer > 0)
5693         {
5694                 if (t->currentskinframe->gloss || (t->backgroundcurrentskinframe && t->backgroundcurrentskinframe->gloss))
5695                 {
5696                         if (r_shadow_glossintensity.value > 0)
5697                         {
5698                                 t->glosstexture = t->currentskinframe->gloss ? t->currentskinframe->gloss : r_texture_white;
5699                                 t->backgroundglosstexture = (t->backgroundcurrentskinframe && t->backgroundcurrentskinframe->gloss) ? t->backgroundcurrentskinframe->gloss : r_texture_white;
5700                                 t->specularscale = r_shadow_glossintensity.value;
5701                         }
5702                 }
5703                 else if (r_shadow_gloss.integer >= 2 && r_shadow_gloss2intensity.value > 0)
5704                 {
5705                         t->glosstexture = r_texture_white;
5706                         t->backgroundglosstexture = r_texture_white;
5707                         t->specularscale = r_shadow_gloss2intensity.value;
5708                         t->specularpower = r_shadow_gloss2exponent.value;
5709                 }
5710         }
5711         t->specularscale *= t->specularscalemod;
5712         t->specularpower *= t->specularpowermod;
5713
5714         // lightmaps mode looks bad with dlights using actual texturing, so turn
5715         // off the colormap and glossmap, but leave the normalmap on as it still
5716         // accurately represents the shading involved
5717         if (gl_lightmaps.integer)
5718         {
5719                 t->basetexture = r_texture_grey128;
5720                 t->backgroundbasetexture = NULL;
5721                 t->specularscale = 0;
5722                 t->currentmaterialflags = MATERIALFLAG_WALL | (t->currentmaterialflags & (MATERIALFLAG_NOCULLFACE | MATERIALFLAG_MODELLIGHT | MATERIALFLAG_MODELLIGHT_DIRECTIONAL | MATERIALFLAG_NODEPTHTEST | MATERIALFLAG_SHORTDEPTHRANGE));
5723         }
5724
5725         Vector4Set(t->lightmapcolor, rsurface.ent_color[0], rsurface.ent_color[1], rsurface.ent_color[2], t->currentalpha);
5726         VectorClear(t->dlightcolor);
5727         t->currentnumlayers = 0;
5728         if (t->currentmaterialflags & MATERIALFLAG_WALL)
5729         {
5730                 int layerflags = 0;
5731                 int blendfunc1, blendfunc2;
5732                 qboolean depthmask;
5733                 if (t->currentmaterialflags & MATERIALFLAG_ADD)
5734                 {
5735                         blendfunc1 = GL_SRC_ALPHA;
5736                         blendfunc2 = GL_ONE;
5737                 }
5738                 else if (t->currentmaterialflags & MATERIALFLAG_ALPHA)
5739                 {
5740                         blendfunc1 = GL_SRC_ALPHA;
5741                         blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
5742                 }
5743                 else if (t->currentmaterialflags & MATERIALFLAG_CUSTOMBLEND)
5744                 {
5745                         blendfunc1 = t->customblendfunc[0];
5746                         blendfunc2 = t->customblendfunc[1];
5747                 }
5748                 else
5749                 {
5750                         blendfunc1 = GL_ONE;
5751                         blendfunc2 = GL_ZERO;
5752                 }
5753                 depthmask = !(t->currentmaterialflags & MATERIALFLAG_BLENDED);
5754                 if (r_refdef.fogenabled && (t->currentmaterialflags & MATERIALFLAG_BLENDED))
5755                         layerflags |= TEXTURELAYERFLAG_FOGDARKEN;
5756                 if (t->currentmaterialflags & MATERIALFLAG_FULLBRIGHT)
5757                 {
5758                         // fullbright is not affected by r_refdef.lightmapintensity
5759                         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]);
5760                         if (VectorLength2(rsurface.colormap_pantscolor) >= (1.0f / 1048576.0f) && t->currentskinframe->pants)
5761                                 R_Texture_AddLayer(t, false, GL_SRC_ALPHA, GL_ONE, TEXTURELAYERTYPE_TEXTURE, t->currentskinframe->pants, &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]);
5762                         if (VectorLength2(rsurface.colormap_shirtcolor) >= (1.0f / 1048576.0f) && t->currentskinframe->shirt)
5763                                 R_Texture_AddLayer(t, false, GL_SRC_ALPHA, GL_ONE, TEXTURELAYERTYPE_TEXTURE, t->currentskinframe->shirt, &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]);
5764                 }
5765                 else
5766                 {
5767                         vec3_t ambientcolor;
5768                         float colorscale;
5769                         // set the color tint used for lights affecting this surface
5770                         VectorSet(t->dlightcolor, rsurface.ent_color[0] * t->lightmapcolor[3], rsurface.ent_color[1] * t->lightmapcolor[3], rsurface.ent_color[2] * t->lightmapcolor[3]);
5771                         colorscale = 2;
5772                         // q3bsp has no lightmap updates, so the lightstylevalue that
5773                         // would normally be baked into the lightmap must be
5774                         // applied to the color
5775                         // FIXME: r_glsl 1 rendering doesn't support overbright lightstyles with this (the default light style is not overbright)
5776                         if (model->type == mod_brushq3)
5777                                 colorscale *= r_refdef.scene.rtlightstylevalue[0];
5778                         colorscale *= r_refdef.lightmapintensity;
5779                         VectorScale(t->lightmapcolor, r_refdef.scene.ambient * (1.0f / 64.0f), ambientcolor);
5780                         VectorScale(t->lightmapcolor, colorscale, t->lightmapcolor);
5781                         // basic lit geometry
5782                         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]);
5783                         // add pants/shirt if needed
5784                         if (VectorLength2(rsurface.colormap_pantscolor) >= (1.0f / 1048576.0f) && t->currentskinframe->pants)
5785                                 R_Texture_AddLayer(t, false, GL_SRC_ALPHA, GL_ONE, TEXTURELAYERTYPE_LITTEXTURE, t->currentskinframe->pants, &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]);
5786                         if (VectorLength2(rsurface.colormap_shirtcolor) >= (1.0f / 1048576.0f) && t->currentskinframe->shirt)
5787                                 R_Texture_AddLayer(t, false, GL_SRC_ALPHA, GL_ONE, TEXTURELAYERTYPE_LITTEXTURE, t->currentskinframe->shirt, &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]);
5788                         // now add ambient passes if needed
5789                         if (VectorLength2(ambientcolor) >= (1.0f/1048576.0f))
5790                         {
5791                                 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]);
5792                                 if (VectorLength2(rsurface.colormap_pantscolor) >= (1.0f / 1048576.0f) && t->currentskinframe->pants)
5793                                         R_Texture_AddLayer(t, false, GL_SRC_ALPHA, GL_ONE, TEXTURELAYERTYPE_TEXTURE, t->currentskinframe->pants, &t->currenttexmatrix, rsurface.colormap_pantscolor[0] * ambientcolor[0], rsurface.colormap_pantscolor[1] * ambientcolor[1], rsurface.colormap_pantscolor[2] * ambientcolor[2], t->lightmapcolor[3]);
5794                                 if (VectorLength2(rsurface.colormap_shirtcolor) >= (1.0f / 1048576.0f) && t->currentskinframe->shirt)
5795                                         R_Texture_AddLayer(t, false, GL_SRC_ALPHA, GL_ONE, TEXTURELAYERTYPE_TEXTURE, t->currentskinframe->shirt, &t->currenttexmatrix, rsurface.colormap_shirtcolor[0] * ambientcolor[0], rsurface.colormap_shirtcolor[1] * ambientcolor[1], rsurface.colormap_shirtcolor[2] * ambientcolor[2], t->lightmapcolor[3]);
5796                         }
5797                 }
5798                 if (t->currentskinframe->glow != NULL && !gl_lightmaps.integer)
5799                         R_Texture_AddLayer(t, false, GL_SRC_ALPHA, GL_ONE, TEXTURELAYERTYPE_TEXTURE, t->currentskinframe->glow, &t->currenttexmatrix, r_hdr_glowintensity.value, r_hdr_glowintensity.value, r_hdr_glowintensity.value, t->lightmapcolor[3]);
5800                 if (r_refdef.fogenabled && !(t->currentmaterialflags & MATERIALFLAG_ADD))
5801                 {
5802                         // if this is opaque use alpha blend which will darken the earlier
5803                         // passes cheaply.
5804                         //
5805                         // if this is an alpha blended material, all the earlier passes
5806                         // were darkened by fog already, so we only need to add the fog
5807                         // color ontop through the fog mask texture
5808                         //
5809                         // if this is an additive blended material, all the earlier passes
5810                         // were darkened by fog already, and we should not add fog color
5811                         // (because the background was not darkened, there is no fog color
5812                         // that was lost behind it).
5813                         R_Texture_AddLayer(t, false, GL_SRC_ALPHA, (t->currentmaterialflags & MATERIALFLAG_BLENDED) ? GL_ONE : GL_ONE_MINUS_SRC_ALPHA, TEXTURELAYERTYPE_FOG, t->currentskinframe->fog, &identitymatrix, r_refdef.fogcolor[0] / r_refdef.view.colorscale, r_refdef.fogcolor[1] / r_refdef.view.colorscale, r_refdef.fogcolor[2] / r_refdef.view.colorscale, t->lightmapcolor[3]);
5814                 }
5815         }
5816
5817         return t->currentframe;
5818 }
5819
5820 rsurfacestate_t rsurface;
5821
5822 void R_Mesh_ResizeArrays(int newvertices)
5823 {
5824         float *base;
5825         if (rsurface.array_size >= newvertices)
5826                 return;
5827         if (rsurface.array_modelvertex3f)
5828                 Mem_Free(rsurface.array_modelvertex3f);
5829         rsurface.array_size = (newvertices + 1023) & ~1023;
5830         base = (float *)Mem_Alloc(r_main_mempool, rsurface.array_size * sizeof(float[33]));
5831         rsurface.array_modelvertex3f     = base + rsurface.array_size * 0;
5832         rsurface.array_modelsvector3f    = base + rsurface.array_size * 3;
5833         rsurface.array_modeltvector3f    = base + rsurface.array_size * 6;
5834         rsurface.array_modelnormal3f     = base + rsurface.array_size * 9;
5835         rsurface.array_deformedvertex3f  = base + rsurface.array_size * 12;
5836         rsurface.array_deformedsvector3f = base + rsurface.array_size * 15;
5837         rsurface.array_deformedtvector3f = base + rsurface.array_size * 18;
5838         rsurface.array_deformednormal3f  = base + rsurface.array_size * 21;
5839         rsurface.array_texcoord3f        = base + rsurface.array_size * 24;
5840         rsurface.array_color4f           = base + rsurface.array_size * 27;
5841         rsurface.array_generatedtexcoordtexture2f = base + rsurface.array_size * 31;
5842 }
5843
5844 void RSurf_ActiveWorldEntity(void)
5845 {
5846         dp_model_t *model = r_refdef.scene.worldmodel;
5847         //if (rsurface.entity == r_refdef.scene.worldentity)
5848         //      return;
5849         rsurface.entity = r_refdef.scene.worldentity;
5850         rsurface.ent_skinnum = 0;
5851         rsurface.ent_qwskin = -1;
5852         rsurface.ent_shadertime = 0;
5853         Vector4Set(rsurface.ent_color, 1, 1, 1, 1);
5854         rsurface.ent_flags = r_refdef.scene.worldentity->flags;
5855         if (rsurface.array_size < model->surfmesh.num_vertices)
5856                 R_Mesh_ResizeArrays(model->surfmesh.num_vertices);
5857         rsurface.matrix = identitymatrix;
5858         rsurface.inversematrix = identitymatrix;
5859         rsurface.matrixscale = 1;
5860         rsurface.inversematrixscale = 1;
5861         R_Mesh_Matrix(&identitymatrix);
5862         VectorCopy(r_refdef.view.origin, rsurface.localvieworigin);
5863         rsurface.fograngerecip = r_refdef.fograngerecip;
5864         rsurface.fogmasktabledistmultiplier = FOGMASKTABLEWIDTH * rsurface.fograngerecip;
5865         VectorSet(rsurface.modellight_ambient, 0, 0, 0);
5866         VectorSet(rsurface.modellight_diffuse, 0, 0, 0);
5867         VectorSet(rsurface.modellight_lightdir, 0, 0, 1);
5868         VectorSet(rsurface.colormap_pantscolor, 0, 0, 0);
5869         VectorSet(rsurface.colormap_shirtcolor, 0, 0, 0);
5870         VectorSet(rsurface.glowmod, 1, 1, 1);
5871         memset(rsurface.frameblend, 0, sizeof(rsurface.frameblend));
5872         rsurface.frameblend[0].lerp = 1;
5873         rsurface.basepolygonfactor = r_refdef.polygonfactor;
5874         rsurface.basepolygonoffset = r_refdef.polygonoffset;
5875         rsurface.modelvertex3f  = model->surfmesh.data_vertex3f;
5876         rsurface.modelvertex3f_bufferobject = model->surfmesh.vbo;
5877         rsurface.modelvertex3f_bufferoffset = model->surfmesh.vbooffset_vertex3f;
5878         rsurface.modelsvector3f = model->surfmesh.data_svector3f;
5879         rsurface.modelsvector3f_bufferobject = model->surfmesh.vbo;
5880         rsurface.modelsvector3f_bufferoffset = model->surfmesh.vbooffset_svector3f;
5881         rsurface.modeltvector3f = model->surfmesh.data_tvector3f;
5882         rsurface.modeltvector3f_bufferobject = model->surfmesh.vbo;
5883         rsurface.modeltvector3f_bufferoffset = model->surfmesh.vbooffset_tvector3f;
5884         rsurface.modelnormal3f  = model->surfmesh.data_normal3f;
5885         rsurface.modelnormal3f_bufferobject = model->surfmesh.vbo;
5886         rsurface.modelnormal3f_bufferoffset = model->surfmesh.vbooffset_normal3f;
5887         rsurface.modellightmapcolor4f  = model->surfmesh.data_lightmapcolor4f;
5888         rsurface.modellightmapcolor4f_bufferobject = model->surfmesh.vbo;
5889         rsurface.modellightmapcolor4f_bufferoffset = model->surfmesh.vbooffset_lightmapcolor4f;
5890         rsurface.modeltexcoordtexture2f  = model->surfmesh.data_texcoordtexture2f;
5891         rsurface.modeltexcoordtexture2f_bufferobject = model->surfmesh.vbo;
5892         rsurface.modeltexcoordtexture2f_bufferoffset = model->surfmesh.vbooffset_texcoordtexture2f;
5893         rsurface.modeltexcoordlightmap2f  = model->surfmesh.data_texcoordlightmap2f;
5894         rsurface.modeltexcoordlightmap2f_bufferobject = model->surfmesh.vbo;
5895         rsurface.modeltexcoordlightmap2f_bufferoffset = model->surfmesh.vbooffset_texcoordlightmap2f;
5896         rsurface.modelelement3i = model->surfmesh.data_element3i;
5897         rsurface.modelelement3s = model->surfmesh.data_element3s;
5898         rsurface.modelelement3i_bufferobject = model->surfmesh.ebo3i;
5899         rsurface.modelelement3s_bufferobject = model->surfmesh.ebo3s;
5900         rsurface.modellightmapoffsets = model->surfmesh.data_lightmapoffsets;
5901         rsurface.modelnum_vertices = model->surfmesh.num_vertices;
5902         rsurface.modelnum_triangles = model->surfmesh.num_triangles;
5903         rsurface.modelsurfaces = model->data_surfaces;
5904         rsurface.generatedvertex = false;
5905         rsurface.vertex3f  = rsurface.modelvertex3f;
5906         rsurface.vertex3f_bufferobject = rsurface.modelvertex3f_bufferobject;
5907         rsurface.vertex3f_bufferoffset = rsurface.modelvertex3f_bufferoffset;
5908         rsurface.svector3f = rsurface.modelsvector3f;
5909         rsurface.svector3f_bufferobject = rsurface.modelsvector3f_bufferobject;
5910         rsurface.svector3f_bufferoffset = rsurface.modelsvector3f_bufferoffset;
5911         rsurface.tvector3f = rsurface.modeltvector3f;
5912         rsurface.tvector3f_bufferobject = rsurface.modeltvector3f_bufferobject;
5913         rsurface.tvector3f_bufferoffset = rsurface.modeltvector3f_bufferoffset;
5914         rsurface.normal3f  = rsurface.modelnormal3f;
5915         rsurface.normal3f_bufferobject = rsurface.modelnormal3f_bufferobject;
5916         rsurface.normal3f_bufferoffset = rsurface.modelnormal3f_bufferoffset;
5917         rsurface.texcoordtexture2f = rsurface.modeltexcoordtexture2f;
5918 }
5919
5920 void RSurf_ActiveModelEntity(const entity_render_t *ent, qboolean wantnormals, qboolean wanttangents)
5921 {
5922         dp_model_t *model = ent->model;
5923         //if (rsurface.entity == ent && (!model->surfmesh.isanimated || (!wantnormals && !wanttangents)))
5924         //      return;
5925         rsurface.entity = (entity_render_t *)ent;
5926         rsurface.ent_skinnum = ent->skinnum;
5927         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;
5928         rsurface.ent_shadertime = ent->shadertime;
5929         Vector4Set(rsurface.ent_color, ent->colormod[0], ent->colormod[1], ent->colormod[2], ent->alpha);
5930         rsurface.ent_flags = ent->flags;
5931         if (rsurface.array_size < model->surfmesh.num_vertices)
5932                 R_Mesh_ResizeArrays(model->surfmesh.num_vertices);
5933         rsurface.matrix = ent->matrix;
5934         rsurface.inversematrix = ent->inversematrix;
5935         rsurface.matrixscale = Matrix4x4_ScaleFromMatrix(&rsurface.matrix);
5936         rsurface.inversematrixscale = 1.0f / rsurface.matrixscale;
5937         R_Mesh_Matrix(&rsurface.matrix);
5938         Matrix4x4_Transform(&rsurface.inversematrix, r_refdef.view.origin, rsurface.localvieworigin);
5939         rsurface.fograngerecip = r_refdef.fograngerecip * rsurface.matrixscale;
5940         rsurface.fogmasktabledistmultiplier = FOGMASKTABLEWIDTH * rsurface.fograngerecip;
5941         VectorCopy(ent->modellight_ambient, rsurface.modellight_ambient);
5942         VectorCopy(ent->modellight_diffuse, rsurface.modellight_diffuse);
5943         VectorCopy(ent->modellight_lightdir, rsurface.modellight_lightdir);
5944         VectorCopy(ent->colormap_pantscolor, rsurface.colormap_pantscolor);
5945         VectorCopy(ent->colormap_shirtcolor, rsurface.colormap_shirtcolor);
5946         VectorCopy(ent->glowmod, rsurface.glowmod);
5947         memcpy(rsurface.frameblend, ent->frameblend, sizeof(ent->frameblend));
5948         rsurface.basepolygonfactor = r_refdef.polygonfactor;
5949         rsurface.basepolygonoffset = r_refdef.polygonoffset;
5950         if (ent->model->brush.submodel)
5951         {
5952                 rsurface.basepolygonfactor += r_polygonoffset_submodel_factor.value;
5953                 rsurface.basepolygonoffset += r_polygonoffset_submodel_offset.value;
5954         }
5955         if (model->surfmesh.isanimated && model->AnimateVertices && (rsurface.frameblend[0].lerp != 1 || rsurface.frameblend[0].subframe != 0))
5956         {
5957                 if (R_AnimCache_GetEntity((entity_render_t *)ent, wantnormals, wanttangents))
5958                 {
5959                         rsurface.modelvertex3f = r_animcachestate.entity[ent->animcacheindex].vertex3f;
5960                         rsurface.modelsvector3f = wanttangents ? r_animcachestate.entity[ent->animcacheindex].svector3f : NULL;
5961                         rsurface.modeltvector3f = wanttangents ? r_animcachestate.entity[ent->animcacheindex].tvector3f : NULL;
5962                         rsurface.modelnormal3f = wantnormals ? r_animcachestate.entity[ent->animcacheindex].normal3f : NULL;
5963                 }
5964                 else if (wanttangents)
5965                 {
5966                         rsurface.modelvertex3f = rsurface.array_modelvertex3f;
5967                         rsurface.modelsvector3f = rsurface.array_modelsvector3f;
5968                         rsurface.modeltvector3f = rsurface.array_modeltvector3f;
5969                         rsurface.modelnormal3f = rsurface.array_modelnormal3f;
5970                         model->AnimateVertices(model, rsurface.frameblend, rsurface.array_modelvertex3f, rsurface.array_modelnormal3f, rsurface.array_modelsvector3f, rsurface.array_modeltvector3f);
5971                 }
5972                 else if (wantnormals)
5973                 {
5974                         rsurface.modelvertex3f = rsurface.array_modelvertex3f;
5975                         rsurface.modelsvector3f = NULL;
5976                         rsurface.modeltvector3f = NULL;
5977                         rsurface.modelnormal3f = rsurface.array_modelnormal3f;
5978                         model->AnimateVertices(model, rsurface.frameblend, rsurface.array_modelvertex3f, rsurface.array_modelnormal3f, NULL, NULL);
5979                 }
5980                 else
5981                 {
5982                         rsurface.modelvertex3f = rsurface.array_modelvertex3f;
5983                         rsurface.modelsvector3f = NULL;
5984                         rsurface.modeltvector3f = NULL;
5985                         rsurface.modelnormal3f = NULL;
5986                         model->AnimateVertices(model, rsurface.frameblend, rsurface.array_modelvertex3f, NULL, NULL, NULL);
5987                 }
5988                 rsurface.modelvertex3f_bufferobject = 0;
5989                 rsurface.modelvertex3f_bufferoffset = 0;
5990                 rsurface.modelsvector3f_bufferobject = 0;
5991                 rsurface.modelsvector3f_bufferoffset = 0;
5992                 rsurface.modeltvector3f_bufferobject = 0;
5993                 rsurface.modeltvector3f_bufferoffset = 0;
5994                 rsurface.modelnormal3f_bufferobject = 0;
5995                 rsurface.modelnormal3f_bufferoffset = 0;
5996                 rsurface.generatedvertex = true;
5997         }
5998         else
5999         {
6000                 rsurface.modelvertex3f  = model->surfmesh.data_vertex3f;
6001                 rsurface.modelvertex3f_bufferobject = model->surfmesh.vbo;
6002                 rsurface.modelvertex3f_bufferoffset = model->surfmesh.vbooffset_vertex3f;
6003                 rsurface.modelsvector3f = model->surfmesh.data_svector3f;
6004                 rsurface.modelsvector3f_bufferobject = model->surfmesh.vbo;
6005                 rsurface.modelsvector3f_bufferoffset = model->surfmesh.vbooffset_svector3f;
6006                 rsurface.modeltvector3f = model->surfmesh.data_tvector3f;
6007                 rsurface.modeltvector3f_bufferobject = model->surfmesh.vbo;
6008                 rsurface.modeltvector3f_bufferoffset = model->surfmesh.vbooffset_tvector3f;
6009                 rsurface.modelnormal3f  = model->surfmesh.data_normal3f;
6010                 rsurface.modelnormal3f_bufferobject = model->surfmesh.vbo;
6011                 rsurface.modelnormal3f_bufferoffset = model->surfmesh.vbooffset_normal3f;
6012                 rsurface.generatedvertex = false;
6013         }
6014         rsurface.modellightmapcolor4f  = model->surfmesh.data_lightmapcolor4f;
6015         rsurface.modellightmapcolor4f_bufferobject = model->surfmesh.vbo;
6016         rsurface.modellightmapcolor4f_bufferoffset = model->surfmesh.vbooffset_lightmapcolor4f;
6017         rsurface.modeltexcoordtexture2f  = model->surfmesh.data_texcoordtexture2f;
6018         rsurface.modeltexcoordtexture2f_bufferobject = model->surfmesh.vbo;
6019         rsurface.modeltexcoordtexture2f_bufferoffset = model->surfmesh.vbooffset_texcoordtexture2f;
6020         rsurface.modeltexcoordlightmap2f  = model->surfmesh.data_texcoordlightmap2f;
6021         rsurface.modeltexcoordlightmap2f_bufferobject = model->surfmesh.vbo;
6022         rsurface.modeltexcoordlightmap2f_bufferoffset = model->surfmesh.vbooffset_texcoordlightmap2f;
6023         rsurface.modelelement3i = model->surfmesh.data_element3i;
6024         rsurface.modelelement3s = model->surfmesh.data_element3s;
6025         rsurface.modelelement3i_bufferobject = model->surfmesh.ebo3i;
6026         rsurface.modelelement3s_bufferobject = model->surfmesh.ebo3s;
6027         rsurface.modellightmapoffsets = model->surfmesh.data_lightmapoffsets;
6028         rsurface.modelnum_vertices = model->surfmesh.num_vertices;
6029         rsurface.modelnum_triangles = model->surfmesh.num_triangles;
6030         rsurface.modelsurfaces = model->data_surfaces;
6031         rsurface.vertex3f  = rsurface.modelvertex3f;
6032         rsurface.vertex3f_bufferobject = rsurface.modelvertex3f_bufferobject;
6033         rsurface.vertex3f_bufferoffset = rsurface.modelvertex3f_bufferoffset;
6034         rsurface.svector3f = rsurface.modelsvector3f;
6035         rsurface.svector3f_bufferobject = rsurface.modelsvector3f_bufferobject;
6036         rsurface.svector3f_bufferoffset = rsurface.modelsvector3f_bufferoffset;
6037         rsurface.tvector3f = rsurface.modeltvector3f;
6038         rsurface.tvector3f_bufferobject = rsurface.modeltvector3f_bufferobject;
6039         rsurface.tvector3f_bufferoffset = rsurface.modeltvector3f_bufferoffset;
6040         rsurface.normal3f  = rsurface.modelnormal3f;
6041         rsurface.normal3f_bufferobject = rsurface.modelnormal3f_bufferobject;
6042         rsurface.normal3f_bufferoffset = rsurface.modelnormal3f_bufferoffset;
6043         rsurface.texcoordtexture2f = rsurface.modeltexcoordtexture2f;
6044 }
6045
6046 float RSurf_FogPoint(const float *v)
6047 {
6048         float len = VectorDistance(r_refdef.view.origin, v);
6049         unsigned int fogmasktableindex;
6050         fogmasktableindex = (unsigned int)(len * r_refdef.fogmasktabledistmultiplier);
6051         return r_refdef.fogmasktable[min(fogmasktableindex, FOGMASKTABLEWIDTH - 1)];
6052 }
6053
6054 float RSurf_FogVertex(const float *v)
6055 {
6056         float len = VectorDistance(rsurface.localvieworigin, v);
6057         unsigned int fogmasktableindex;
6058         fogmasktableindex = (unsigned int)(len * rsurface.fogmasktabledistmultiplier);
6059         return r_refdef.fogmasktable[min(fogmasktableindex, FOGMASKTABLEWIDTH - 1)];
6060 }
6061
6062 static const int quadedges[6][2] = {{0, 1}, {0, 2}, {0, 3}, {1, 2}, {1, 3}, {2, 3}};
6063 void RSurf_PrepareVerticesForBatch(qboolean generatenormals, qboolean generatetangents, int texturenumsurfaces, const msurface_t **texturesurfacelist)
6064 {
6065         int deformindex;
6066         int texturesurfaceindex;
6067         int i, j;
6068         float amplitude;
6069         float animpos;
6070         float scale;
6071         const float *v1, *in_tc;
6072         float *out_tc;
6073         float center[3], forward[3], right[3], up[3], v[3], newforward[3], newright[3], newup[3];
6074         float waveparms[4];
6075         q3shaderinfo_deform_t *deform;
6076         // if vertices are dynamic (animated models), generate them into the temporary rsurface.array_model* arrays and point rsurface.model* at them instead of the static data from the model itself
6077         if (rsurface.generatedvertex)
6078         {
6079                 if (rsurface.texture->tcgen.tcgen == Q3TCGEN_ENVIRONMENT)
6080                         generatenormals = true;
6081                 for (i = 0;i < Q3MAXDEFORMS;i++)
6082                 {
6083                         if (rsurface.texture->deforms[i].deform == Q3DEFORM_AUTOSPRITE)
6084                         {
6085                                 generatetangents = true;
6086                                 generatenormals = true;
6087                         }
6088                         if (rsurface.texture->deforms[i].deform != Q3DEFORM_NONE)
6089                                 generatenormals = true;
6090                 }
6091                 if (generatenormals && !rsurface.modelnormal3f)
6092                 {
6093                         rsurface.normal3f = rsurface.modelnormal3f = rsurface.array_modelnormal3f;
6094                         rsurface.normal3f_bufferobject = rsurface.modelnormal3f_bufferobject = 0;
6095                         rsurface.normal3f_bufferoffset = rsurface.modelnormal3f_bufferoffset = 0;
6096                         Mod_BuildNormals(0, rsurface.modelnum_vertices, rsurface.modelnum_triangles, rsurface.modelvertex3f, rsurface.modelelement3i, rsurface.array_modelnormal3f, r_smoothnormals_areaweighting.integer != 0);
6097                 }
6098                 if (generatetangents && !rsurface.modelsvector3f)
6099                 {
6100                         rsurface.svector3f = rsurface.modelsvector3f = rsurface.array_modelsvector3f;
6101                         rsurface.svector3f_bufferobject = rsurface.modelsvector3f_bufferobject = 0;
6102                         rsurface.svector3f_bufferoffset = rsurface.modelsvector3f_bufferoffset = 0;
6103                         rsurface.tvector3f = rsurface.modeltvector3f = rsurface.array_modeltvector3f;
6104                         rsurface.tvector3f_bufferobject = rsurface.modeltvector3f_bufferobject = 0;
6105                         rsurface.tvector3f_bufferoffset = rsurface.modeltvector3f_bufferoffset = 0;
6106                         Mod_BuildTextureVectorsFromNormals(0, rsurface.modelnum_vertices, rsurface.modelnum_triangles, rsurface.modelvertex3f, rsurface.modeltexcoordtexture2f, rsurface.modelnormal3f, rsurface.modelelement3i, rsurface.array_modelsvector3f, rsurface.array_modeltvector3f, r_smoothnormals_areaweighting.integer != 0);
6107                 }
6108         }
6109         rsurface.vertex3f  = rsurface.modelvertex3f;
6110         rsurface.vertex3f_bufferobject = rsurface.modelvertex3f_bufferobject;
6111         rsurface.vertex3f_bufferoffset = rsurface.modelvertex3f_bufferoffset;
6112         rsurface.svector3f = rsurface.modelsvector3f;
6113         rsurface.svector3f_bufferobject = rsurface.modelsvector3f_bufferobject;
6114         rsurface.svector3f_bufferoffset = rsurface.modelsvector3f_bufferoffset;
6115         rsurface.tvector3f = rsurface.modeltvector3f;
6116         rsurface.tvector3f_bufferobject = rsurface.modeltvector3f_bufferobject;
6117         rsurface.tvector3f_bufferoffset = rsurface.modeltvector3f_bufferoffset;
6118         rsurface.normal3f  = rsurface.modelnormal3f;
6119         rsurface.normal3f_bufferobject = rsurface.modelnormal3f_bufferobject;
6120         rsurface.normal3f_bufferoffset = rsurface.modelnormal3f_bufferoffset;
6121         // if vertices are deformed (sprite flares and things in maps, possibly
6122         // water waves, bulges and other deformations), generate them into
6123         // rsurface.deform* arrays from whatever the rsurface.* arrays point to
6124         // (may be static model data or generated data for an animated model, or
6125         //  the previous deform pass)
6126         for (deformindex = 0, deform = rsurface.texture->deforms;deformindex < Q3MAXDEFORMS && deform->deform;deformindex++, deform++)
6127         {
6128                 switch (deform->deform)
6129                 {
6130                 default:
6131                 case Q3DEFORM_PROJECTIONSHADOW:
6132                 case Q3DEFORM_TEXT0:
6133                 case Q3DEFORM_TEXT1:
6134                 case Q3DEFORM_TEXT2:
6135                 case Q3DEFORM_TEXT3:
6136                 case Q3DEFORM_TEXT4:
6137                 case Q3DEFORM_TEXT5:
6138                 case Q3DEFORM_TEXT6:
6139                 case Q3DEFORM_TEXT7:
6140                 case Q3DEFORM_NONE:
6141                         break;
6142                 case Q3DEFORM_AUTOSPRITE:
6143                         Matrix4x4_Transform3x3(&rsurface.inversematrix, r_refdef.view.forward, newforward);
6144                         Matrix4x4_Transform3x3(&rsurface.inversematrix, r_refdef.view.right, newright);
6145                         Matrix4x4_Transform3x3(&rsurface.inversematrix, r_refdef.view.up, newup);
6146                         VectorNormalize(newforward);
6147                         VectorNormalize(newright);
6148                         VectorNormalize(newup);
6149                         // make deformed versions of only the model vertices used by the specified surfaces
6150                         for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
6151                         {
6152                                 const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
6153                                 // a single autosprite surface can contain multiple sprites...
6154                                 for (j = 0;j < surface->num_vertices - 3;j += 4)
6155                                 {
6156                                         VectorClear(center);
6157                                         for (i = 0;i < 4;i++)
6158                                                 VectorAdd(center, (rsurface.vertex3f + 3 * surface->num_firstvertex) + (j+i) * 3, center);
6159                                         VectorScale(center, 0.25f, center);
6160                                         VectorCopy((rsurface.normal3f  + 3 * surface->num_firstvertex) + j*3, forward);
6161                                         VectorCopy((rsurface.svector3f + 3 * surface->num_firstvertex) + j*3, right);
6162                                         VectorCopy((rsurface.tvector3f + 3 * surface->num_firstvertex) + j*3, up);
6163                                         for (i = 0;i < 4;i++)
6164                                         {
6165                                                 VectorSubtract((rsurface.vertex3f + 3 * surface->num_firstvertex) + (j+i)*3, center, v);
6166                                                 VectorMAMAMAM(1, center, DotProduct(forward, v), newforward, DotProduct(right, v), newright, DotProduct(up, v), newup, rsurface.array_deformedvertex3f + (surface->num_firstvertex+i+j) * 3);
6167                                         }
6168                                 }
6169                                 Mod_BuildNormals(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, rsurface.vertex3f, rsurface.modelelement3i + surface->num_firsttriangle * 3, rsurface.array_deformednormal3f, r_smoothnormals_areaweighting.integer != 0);
6170                                 Mod_BuildTextureVectorsFromNormals(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, rsurface.vertex3f, rsurface.modeltexcoordtexture2f, rsurface.array_deformednormal3f, rsurface.modelelement3i + surface->num_firsttriangle * 3, rsurface.array_deformedsvector3f, rsurface.array_deformedtvector3f, r_smoothnormals_areaweighting.integer != 0);
6171                         }
6172                         rsurface.vertex3f = rsurface.array_deformedvertex3f;
6173                         rsurface.vertex3f_bufferobject = 0;
6174                         rsurface.vertex3f_bufferoffset = 0;
6175                         rsurface.svector3f = rsurface.array_deformedsvector3f;
6176                         rsurface.svector3f_bufferobject = 0;
6177                         rsurface.svector3f_bufferoffset = 0;
6178                         rsurface.tvector3f = rsurface.array_deformedtvector3f;
6179                         rsurface.tvector3f_bufferobject = 0;
6180                         rsurface.tvector3f_bufferoffset = 0;
6181                         rsurface.normal3f = rsurface.array_deformednormal3f;
6182                         rsurface.normal3f_bufferobject = 0;
6183                         rsurface.normal3f_bufferoffset = 0;
6184                         break;
6185                 case Q3DEFORM_AUTOSPRITE2:
6186                         Matrix4x4_Transform3x3(&rsurface.inversematrix, r_refdef.view.forward, newforward);
6187                         Matrix4x4_Transform3x3(&rsurface.inversematrix, r_refdef.view.right, newright);
6188                         Matrix4x4_Transform3x3(&rsurface.inversematrix, r_refdef.view.up, newup);
6189                         VectorNormalize(newforward);
6190                         VectorNormalize(newright);
6191                         VectorNormalize(newup);
6192                         // make deformed versions of only the model vertices used by the specified surfaces
6193                         for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
6194                         {
6195                                 const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
6196                                 const float *v1, *v2;
6197                                 vec3_t start, end;
6198                                 float f, l;
6199                                 struct
6200                                 {
6201                                         float length2;
6202                                         const float *v1;
6203                                         const float *v2;
6204                                 }
6205                                 shortest[2];
6206                                 memset(shortest, 0, sizeof(shortest));
6207                                 // a single autosprite surface can contain multiple sprites...
6208                                 for (j = 0;j < surface->num_vertices - 3;j += 4)
6209                                 {
6210                                         VectorClear(center);
6211                                         for (i = 0;i < 4;i++)
6212                                                 VectorAdd(center, (rsurface.vertex3f + 3 * surface->num_firstvertex) + (j+i) * 3, center);
6213                                         VectorScale(center, 0.25f, center);
6214                                         // find the two shortest edges, then use them to define the
6215                                         // axis vectors for rotating around the central axis
6216                                         for (i = 0;i < 6;i++)
6217                                         {
6218                                                 v1 = rsurface.vertex3f + 3 * (surface->num_firstvertex + quadedges[i][0]);
6219                                                 v2 = rsurface.vertex3f + 3 * (surface->num_firstvertex + quadedges[i][1]);
6220 #if 0
6221                                                 Debug_PolygonBegin(NULL, 0);
6222                                                 Debug_PolygonVertex(v1[0], v1[1], v1[2], 0, 0, 1, 0, 0, 1);
6223                                                 Debug_PolygonVertex((v1[0] + v2[0]) * 0.5f + rsurface.normal3f[3 * (surface->num_firstvertex + j)+0] * 4, (v1[1] + v2[1]) * 0.5f + rsurface.normal3f[3 * (surface->num_firstvertex + j)+1], (v1[2] + v2[2]) * 0.5f + rsurface.normal3f[3 * (surface->num_firstvertex + j)+2], 0, 0, 1, 1, 0, 1);
6224                                                 Debug_PolygonVertex(v2[0], v2[1], v2[2], 0, 0, 1, 0, 0, 1);
6225                                                 Debug_PolygonEnd();
6226 #endif
6227                                                 l = VectorDistance2(v1, v2);
6228                                                 // this length bias tries to make sense of square polygons, assuming they are meant to be upright
6229                                                 if (v1[2] != v2[2])
6230                                                         l += (1.0f / 1024.0f);
6231                                                 if (shortest[0].length2 > l || i == 0)
6232                                                 {
6233                                                         shortest[1] = shortest[0];
6234                                                         shortest[0].length2 = l;
6235                                                         shortest[0].v1 = v1;
6236                                                         shortest[0].v2 = v2;
6237                                                 }
6238                                                 else if (shortest[1].length2 > l || i == 1)
6239                                                 {
6240                                                         shortest[1].length2 = l;
6241                                                         shortest[1].v1 = v1;
6242                                                         shortest[1].v2 = v2;
6243                                                 }
6244                                         }
6245                                         VectorLerp(shortest[0].v1, 0.5f, shortest[0].v2, start);
6246                                         VectorLerp(shortest[1].v1, 0.5f, shortest[1].v2, end);
6247 #if 0
6248                                         Debug_PolygonBegin(NULL, 0);
6249                                         Debug_PolygonVertex(start[0], start[1], start[2], 0, 0, 1, 1, 0, 1);
6250                                         Debug_PolygonVertex(center[0] + rsurface.normal3f[3 * (surface->num_firstvertex + j)+0] * 4, center[1] + rsurface.normal3f[3 * (surface->num_firstvertex + j)+1] * 4, center[2] + rsurface.normal3f[3 * (surface->num_firstvertex + j)+2] * 4, 0, 0, 0, 1, 0, 1);
6251                                         Debug_PolygonVertex(end[0], end[1], end[2], 0, 0, 0, 1, 1, 1);
6252                                         Debug_PolygonEnd();
6253 #endif
6254                                         // this calculates the right vector from the shortest edge
6255                                         // and the up vector from the edge midpoints
6256                                         VectorSubtract(shortest[0].v1, shortest[0].v2, right);
6257                                         VectorNormalize(right);
6258                                         VectorSubtract(end, start, up);
6259                                         VectorNormalize(up);
6260                                         // calculate a forward vector to use instead of the original plane normal (this is how we get a new right vector)
6261                                         VectorSubtract(rsurface.localvieworigin, center, forward);
6262                                         //Matrix4x4_Transform3x3(&rsurface.inversematrix, r_refdef.view.forward, forward);
6263                                         VectorNegate(forward, forward);
6264                                         VectorReflect(forward, 0, up, forward);
6265                                         VectorNormalize(forward);
6266                                         CrossProduct(up, forward, newright);
6267                                         VectorNormalize(newright);
6268 #if 0
6269                                         Debug_PolygonBegin(NULL, 0);
6270                                         Debug_PolygonVertex(center[0] + rsurface.normal3f[3 * (surface->num_firstvertex + j)+0] * 8, center[1] + rsurface.normal3f[3 * (surface->num_firstvertex + j)+1] * 8, center[2] + rsurface.normal3f[3 * (surface->num_firstvertex + j)+2] * 8, 0, 0, 1, 0, 0, 1);
6271                                         Debug_PolygonVertex(center[0] + right[0] * 8, center[1] + right[1] * 8, center[2] + right[2] * 8, 0, 0, 0, 1, 0, 1);
6272                                         Debug_PolygonVertex(center[0] + up   [0] * 8, center[1] + up   [1] * 8, center[2] + up   [2] * 8, 0, 0, 0, 0, 1, 1);
6273                                         Debug_PolygonEnd();
6274 #endif
6275 #if 0
6276                                         Debug_PolygonBegin(NULL, 0);
6277                                         Debug_PolygonVertex(center[0] + forward [0] * 8, center[1] + forward [1] * 8, center[2] + forward [2] * 8, 0, 0, 1, 0, 0, 1);
6278                                         Debug_PolygonVertex(center[0] + newright[0] * 8, center[1] + newright[1] * 8, center[2] + newright[2] * 8, 0, 0, 0, 1, 0, 1);
6279                                         Debug_PolygonVertex(center[0] + up      [0] * 8, center[1] + up      [1] * 8, center[2] + up      [2] * 8, 0, 0, 0, 0, 1, 1);
6280                                         Debug_PolygonEnd();
6281 #endif
6282                                         // rotate the quad around the up axis vector, this is made
6283                                         // especially easy by the fact we know the quad is flat,
6284                                         // so we only have to subtract the center position and
6285                                         // measure distance along the right vector, and then
6286                                         // multiply that by the newright vector and add back the
6287                                         // center position
6288                                         // we also need to subtract the old position to undo the
6289                                         // displacement from the center, which we do with a
6290                                         // DotProduct, the subtraction/addition of center is also
6291                                         // optimized into DotProducts here
6292                                         l = DotProduct(right, center);
6293                                         for (i = 0;i < 4;i++)
6294                                         {
6295                                                 v1 = rsurface.vertex3f + 3 * (surface->num_firstvertex + j + i);
6296                                                 f = DotProduct(right, v1) - l;
6297                                                 VectorMAMAM(1, v1, -f, right, f, newright, rsurface.array_deformedvertex3f + (surface->num_firstvertex+i+j) * 3);
6298                                         }
6299                                 }
6300                                 Mod_BuildNormals(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, rsurface.vertex3f, rsurface.modelelement3i + surface->num_firsttriangle * 3, rsurface.array_deformednormal3f, r_smoothnormals_areaweighting.integer != 0);
6301                                 Mod_BuildTextureVectorsFromNormals(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, rsurface.vertex3f, rsurface.modeltexcoordtexture2f, rsurface.array_deformednormal3f, rsurface.modelelement3i + surface->num_firsttriangle * 3, rsurface.array_deformedsvector3f, rsurface.array_deformedtvector3f, r_smoothnormals_areaweighting.integer != 0);
6302                         }
6303                         rsurface.vertex3f = rsurface.array_deformedvertex3f;
6304                         rsurface.vertex3f_bufferobject = 0;
6305                         rsurface.vertex3f_bufferoffset = 0;
6306                         rsurface.svector3f = rsurface.array_deformedsvector3f;
6307                         rsurface.svector3f_bufferobject = 0;
6308                         rsurface.svector3f_bufferoffset = 0;
6309                         rsurface.tvector3f = rsurface.array_deformedtvector3f;
6310                         rsurface.tvector3f_bufferobject = 0;
6311                         rsurface.tvector3f_bufferoffset = 0;
6312                         rsurface.normal3f = rsurface.array_deformednormal3f;
6313                         rsurface.normal3f_bufferobject = 0;
6314                         rsurface.normal3f_bufferoffset = 0;
6315                         break;
6316                 case Q3DEFORM_NORMAL:
6317                         // deform the normals to make reflections wavey
6318                         for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
6319                         {
6320                                 const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
6321                                 for (j = 0;j < surface->num_vertices;j++)
6322                                 {
6323                                         float vertex[3];
6324                                         float *normal = (rsurface.array_deformednormal3f  + 3 * surface->num_firstvertex) + j*3;
6325                                         VectorScale((rsurface.vertex3f  + 3 * surface->num_firstvertex) + j*3, 0.98f, vertex);
6326                                         VectorCopy((rsurface.normal3f  + 3 * surface->num_firstvertex) + j*3, normal);
6327                                         normal[0] += deform->parms[0] * noise4f(      vertex[0], vertex[1], vertex[2], r_refdef.scene.time * deform->parms[1]);
6328                                         normal[1] += deform->parms[0] * noise4f( 98 + vertex[0], vertex[1], vertex[2], r_refdef.scene.time * deform->parms[1]);
6329                                         normal[2] += deform->parms[0] * noise4f(196 + vertex[0], vertex[1], vertex[2], r_refdef.scene.time * deform->parms[1]);
6330                                         VectorNormalize(normal);
6331                                 }
6332                                 Mod_BuildTextureVectorsFromNormals(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, rsurface.vertex3f, rsurface.modeltexcoordtexture2f, rsurface.array_deformednormal3f, rsurface.modelelement3i + surface->num_firsttriangle * 3, rsurface.array_deformedsvector3f, rsurface.array_deformedtvector3f, r_smoothnormals_areaweighting.integer != 0);
6333                         }
6334                         rsurface.svector3f = rsurface.array_deformedsvector3f;
6335                         rsurface.svector3f_bufferobject = 0;
6336                         rsurface.svector3f_bufferoffset = 0;
6337                         rsurface.tvector3f = rsurface.array_deformedtvector3f;
6338                         rsurface.tvector3f_bufferobject = 0;
6339                         rsurface.tvector3f_bufferoffset = 0;
6340                         rsurface.normal3f = rsurface.array_deformednormal3f;
6341                         rsurface.normal3f_bufferobject = 0;
6342                         rsurface.normal3f_bufferoffset = 0;
6343                         break;
6344                 case Q3DEFORM_WAVE:
6345                         // deform vertex array to make wavey water and flags and such
6346                         waveparms[0] = deform->waveparms[0];
6347                         waveparms[1] = deform->waveparms[1];
6348                         waveparms[2] = deform->waveparms[2];
6349                         waveparms[3] = deform->waveparms[3];
6350                         // this is how a divisor of vertex influence on deformation
6351                         animpos = deform->parms[0] ? 1.0f / deform->parms[0] : 100.0f;
6352                         scale = R_EvaluateQ3WaveFunc(deform->wavefunc, waveparms);
6353                         for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
6354                         {
6355                                 const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
6356                                 for (j = 0;j < surface->num_vertices;j++)
6357                                 {
6358                                         float *vertex = (rsurface.array_deformedvertex3f  + 3 * surface->num_firstvertex) + j*3;
6359                                         VectorCopy((rsurface.vertex3f  + 3 * surface->num_firstvertex) + j*3, vertex);
6360                                         // if the wavefunc depends on time, evaluate it per-vertex
6361                                         if (waveparms[3])
6362                                         {
6363                                                 waveparms[2] = deform->waveparms[2] + (vertex[0] + vertex[1] + vertex[2]) * animpos;
6364                                                 scale = R_EvaluateQ3WaveFunc(deform->wavefunc, waveparms);
6365                                         }
6366                                         VectorMA(vertex, scale, (rsurface.normal3f  + 3 * surface->num_firstvertex) + j*3, vertex);
6367                                 }
6368                         }
6369                         rsurface.vertex3f = rsurface.array_deformedvertex3f;
6370                         rsurface.vertex3f_bufferobject = 0;
6371                         rsurface.vertex3f_bufferoffset = 0;
6372                         break;
6373                 case Q3DEFORM_BULGE:
6374                         // deform vertex array to make the surface have moving bulges
6375                         for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
6376                         {
6377                                 const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
6378                                 for (j = 0;j < surface->num_vertices;j++)
6379                                 {
6380                                         scale = sin((rsurface.modeltexcoordtexture2f[2 * (surface->num_firstvertex + j)] * deform->parms[0] + r_refdef.scene.time * deform->parms[2])) * deform->parms[1];
6381                                         VectorMA(rsurface.vertex3f + 3 * (surface->num_firstvertex + j), scale, rsurface.normal3f + 3 * (surface->num_firstvertex + j), rsurface.array_deformedvertex3f + 3 * (surface->num_firstvertex + j));
6382                                 }
6383                         }
6384                         rsurface.vertex3f = rsurface.array_deformedvertex3f;
6385                         rsurface.vertex3f_bufferobject = 0;
6386                         rsurface.vertex3f_bufferoffset = 0;
6387                         break;
6388                 case Q3DEFORM_MOVE:
6389                         // deform vertex array
6390                         scale = R_EvaluateQ3WaveFunc(deform->wavefunc, deform->waveparms);
6391                         VectorScale(deform->parms, scale, waveparms);
6392                         for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
6393                         {
6394                                 const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
6395                                 for (j = 0;j < surface->num_vertices;j++)
6396                                         VectorAdd(rsurface.vertex3f + 3 * (surface->num_firstvertex + j), waveparms, rsurface.array_deformedvertex3f + 3 * (surface->num_firstvertex + j));
6397                         }
6398                         rsurface.vertex3f = rsurface.array_deformedvertex3f;
6399                         rsurface.vertex3f_bufferobject = 0;
6400                         rsurface.vertex3f_bufferoffset = 0;
6401                         break;
6402                 }
6403         }
6404         // generate texcoords based on the chosen texcoord source
6405         switch(rsurface.texture->tcgen.tcgen)
6406         {
6407         default:
6408         case Q3TCGEN_TEXTURE:
6409                 rsurface.texcoordtexture2f               = rsurface.modeltexcoordtexture2f;
6410                 rsurface.texcoordtexture2f_bufferobject  = rsurface.modeltexcoordtexture2f_bufferobject;
6411                 rsurface.texcoordtexture2f_bufferoffset  = rsurface.modeltexcoordtexture2f_bufferoffset;
6412                 break;
6413         case Q3TCGEN_LIGHTMAP:
6414                 rsurface.texcoordtexture2f               = rsurface.modeltexcoordlightmap2f;
6415                 rsurface.texcoordtexture2f_bufferobject  = rsurface.modeltexcoordlightmap2f_bufferobject;
6416                 rsurface.texcoordtexture2f_bufferoffset  = rsurface.modeltexcoordlightmap2f_bufferoffset;
6417                 break;
6418         case Q3TCGEN_VECTOR:
6419                 for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
6420                 {
6421                         const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
6422                         for (j = 0, v1 = rsurface.modelvertex3f + 3 * surface->num_firstvertex, out_tc = rsurface.array_generatedtexcoordtexture2f + 2 * surface->num_firstvertex;j < surface->num_vertices;j++, v1 += 3, out_tc += 2)
6423                         {
6424                                 out_tc[0] = DotProduct(v1, rsurface.texture->tcgen.parms);
6425                                 out_tc[1] = DotProduct(v1, rsurface.texture->tcgen.parms + 3);
6426                         }
6427                 }
6428                 rsurface.texcoordtexture2f               = rsurface.array_generatedtexcoordtexture2f;
6429                 rsurface.texcoordtexture2f_bufferobject  = 0;
6430                 rsurface.texcoordtexture2f_bufferoffset  = 0;
6431                 break;
6432         case Q3TCGEN_ENVIRONMENT:
6433                 // make environment reflections using a spheremap
6434                 for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
6435                 {
6436                         const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
6437                         const float *vertex = rsurface.modelvertex3f + 3 * surface->num_firstvertex;
6438                         const float *normal = rsurface.modelnormal3f + 3 * surface->num_firstvertex;
6439                         float *out_tc = rsurface.array_generatedtexcoordtexture2f + 2 * surface->num_firstvertex;
6440                         for (j = 0;j < surface->num_vertices;j++, vertex += 3, normal += 3, out_tc += 2)
6441                         {
6442                                 // identical to Q3A's method, but executed in worldspace so
6443                                 // carried models can be shiny too
6444
6445                                 float viewer[3], d, reflected[3], worldreflected[3];
6446
6447                                 VectorSubtract(rsurface.localvieworigin, vertex, viewer);
6448                                 // VectorNormalize(viewer);
6449
6450                                 d = DotProduct(normal, viewer);
6451
6452                                 reflected[0] = normal[0]*2*d - viewer[0];
6453                                 reflected[1] = normal[1]*2*d - viewer[1];
6454                                 reflected[2] = normal[2]*2*d - viewer[2];
6455                                 // note: this is proportinal to viewer, so we can normalize later
6456
6457                                 Matrix4x4_Transform3x3(&rsurface.matrix, reflected, worldreflected);
6458                                 VectorNormalize(worldreflected);
6459
6460                                 // note: this sphere map only uses world x and z!
6461                                 // so positive and negative y will LOOK THE SAME.
6462                                 out_tc[0] = 0.5 + 0.5 * worldreflected[1];
6463                                 out_tc[1] = 0.5 - 0.5 * worldreflected[2];
6464                         }
6465                 }
6466                 rsurface.texcoordtexture2f               = rsurface.array_generatedtexcoordtexture2f;
6467                 rsurface.texcoordtexture2f_bufferobject  = 0;
6468                 rsurface.texcoordtexture2f_bufferoffset  = 0;
6469                 break;
6470         }
6471         // the only tcmod that needs software vertex processing is turbulent, so
6472         // check for it here and apply the changes if needed
6473         // and we only support that as the first one
6474         // (handling a mixture of turbulent and other tcmods would be problematic
6475         //  without punting it entirely to a software path)
6476         if (rsurface.texture->tcmods[0].tcmod == Q3TCMOD_TURBULENT)
6477         {
6478                 amplitude = rsurface.texture->tcmods[0].parms[1];
6479                 animpos = rsurface.texture->tcmods[0].parms[2] + r_refdef.scene.time * rsurface.texture->tcmods[0].parms[3];
6480                 for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
6481                 {
6482                         const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
6483                         for (j = 0, v1 = rsurface.modelvertex3f + 3 * surface->num_firstvertex, in_tc = rsurface.texcoordtexture2f + 2 * surface->num_firstvertex, out_tc = rsurface.array_generatedtexcoordtexture2f + 2 * surface->num_firstvertex;j < surface->num_vertices;j++, v1 += 3, in_tc += 2, out_tc += 2)
6484                         {
6485                                 out_tc[0] = in_tc[0] + amplitude * sin(((v1[0] + v1[2]) * 1.0 / 1024.0f + animpos) * M_PI * 2);
6486                                 out_tc[1] = in_tc[1] + amplitude * sin(((v1[1]        ) * 1.0 / 1024.0f + animpos) * M_PI * 2);
6487                         }
6488                 }
6489                 rsurface.texcoordtexture2f               = rsurface.array_generatedtexcoordtexture2f;
6490                 rsurface.texcoordtexture2f_bufferobject  = 0;
6491                 rsurface.texcoordtexture2f_bufferoffset  = 0;
6492         }
6493         rsurface.texcoordlightmap2f              = rsurface.modeltexcoordlightmap2f;
6494         rsurface.texcoordlightmap2f_bufferobject = rsurface.modeltexcoordlightmap2f_bufferobject;
6495         rsurface.texcoordlightmap2f_bufferoffset = rsurface.modeltexcoordlightmap2f_bufferoffset;
6496         R_Mesh_VertexPointer(rsurface.vertex3f, rsurface.vertex3f_bufferobject, rsurface.vertex3f_bufferoffset);
6497 }
6498
6499 void RSurf_DrawBatch_Simple(int texturenumsurfaces, const msurface_t **texturesurfacelist)
6500 {
6501         int i, j;
6502         const msurface_t *surface = texturesurfacelist[0];
6503         const msurface_t *surface2;
6504         int firstvertex;
6505         int endvertex;
6506         int numvertices;
6507         int numtriangles;
6508         // TODO: lock all array ranges before render, rather than on each surface
6509         if (texturenumsurfaces == 1)
6510         {
6511                 GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
6512                 R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_firsttriangle, surface->num_triangles, rsurface.modelelement3i, rsurface.modelelement3s, rsurface.modelelement3i_bufferobject, rsurface.modelelement3s_bufferobject);
6513         }
6514         else if (r_batchmode.integer == 2)
6515         {
6516                 #define MAXBATCHTRIANGLES 4096
6517                 int batchtriangles = 0;
6518                 int batchelements[MAXBATCHTRIANGLES*3];
6519                 for (i = 0;i < texturenumsurfaces;i = j)
6520                 {
6521                         surface = texturesurfacelist[i];
6522                         j = i + 1;
6523                         if (surface->num_triangles > MAXBATCHTRIANGLES)
6524                         {
6525                                 R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_firsttriangle, surface->num_triangles, rsurface.modelelement3i, rsurface.modelelement3s, rsurface.modelelement3i_bufferobject, rsurface.modelelement3s_bufferobject);
6526                                 continue;
6527                         }
6528                         memcpy(batchelements, rsurface.modelelement3i + 3 * surface->num_firsttriangle, surface->num_triangles * sizeof(int[3]));
6529                         batchtriangles = surface->num_triangles;
6530                         firstvertex = surface->num_firstvertex;
6531                         endvertex = surface->num_firstvertex + surface->num_vertices;
6532                         for (;j < texturenumsurfaces;j++)
6533                         {
6534                                 surface2 = texturesurfacelist[j];
6535                                 if (batchtriangles + surface2->num_triangles > MAXBATCHTRIANGLES)
6536                                         break;
6537                                 memcpy(batchelements + batchtriangles * 3, rsurface.modelelement3i + 3 * surface2->num_firsttriangle, surface2->num_triangles * sizeof(int[3]));
6538                                 batchtriangles += surface2->num_triangles;
6539                                 firstvertex = min(firstvertex, surface2->num_firstvertex);
6540                                 endvertex = max(endvertex, surface2->num_firstvertex + surface2->num_vertices);
6541                         }
6542                         surface2 = texturesurfacelist[j-1];
6543                         numvertices = endvertex - firstvertex;
6544                         R_Mesh_Draw(firstvertex, numvertices, 0, batchtriangles, batchelements, NULL, 0, 0);
6545                 }
6546         }
6547         else if (r_batchmode.integer == 1)
6548         {
6549                 for (i = 0;i < texturenumsurfaces;i = j)
6550                 {
6551                         surface = texturesurfacelist[i];
6552                         for (j = i + 1, surface2 = surface + 1;j < texturenumsurfaces;j++, surface2++)
6553                                 if (texturesurfacelist[j] != surface2)
6554                                         break;
6555                         surface2 = texturesurfacelist[j-1];
6556                         numvertices = surface2->num_firstvertex + surface2->num_vertices - surface->num_firstvertex;
6557                         numtriangles = surface2->num_firsttriangle + surface2->num_triangles - surface->num_firsttriangle;
6558                         GL_LockArrays(surface->num_firstvertex, numvertices);
6559                         R_Mesh_Draw(surface->num_firstvertex, numvertices, surface->num_firsttriangle, numtriangles, rsurface.modelelement3i, rsurface.modelelement3s, rsurface.modelelement3i_bufferobject, rsurface.modelelement3s_bufferobject);
6560                 }
6561         }
6562         else
6563         {
6564                 for (i = 0;i < texturenumsurfaces;i++)
6565                 {
6566                         surface = texturesurfacelist[i];
6567                         GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
6568                         R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_firsttriangle, surface->num_triangles, rsurface.modelelement3i, rsurface.modelelement3s, rsurface.modelelement3i_bufferobject, rsurface.modelelement3s_bufferobject);
6569                 }
6570         }
6571 }
6572
6573 static void RSurf_DrawBatch_WithLightmapSwitching_WithWaterTextureSwitching(int texturenumsurfaces, const msurface_t **texturesurfacelist, int lightmaptexunit, int deluxemaptexunit, int refractiontexunit, int reflectiontexunit)
6574 {
6575         int i, planeindex, vertexindex;
6576         float d, bestd;
6577         vec3_t vert;
6578         const float *v;
6579         r_waterstate_waterplane_t *p, *bestp;
6580         const msurface_t *surface;
6581         if (r_waterstate.renderingscene)
6582                 return;
6583         for (i = 0;i < texturenumsurfaces;i++)
6584         {
6585                 surface = texturesurfacelist[i];
6586                 if (lightmaptexunit >= 0)
6587                         R_Mesh_TexBind(lightmaptexunit, R_GetTexture(surface->lightmaptexture));
6588                 if (deluxemaptexunit >= 0)
6589                         R_Mesh_TexBind(deluxemaptexunit, R_GetTexture(surface->deluxemaptexture));
6590                 // pick the closest matching water plane
6591                 bestd = 0;
6592                 bestp = NULL;
6593                 for (planeindex = 0, p = r_waterstate.waterplanes;planeindex < r_waterstate.numwaterplanes;planeindex++, p++)
6594                 {
6595                         d = 0;
6596                         for (vertexindex = 0, v = rsurface.modelvertex3f + surface->num_firstvertex * 3;vertexindex < surface->num_vertices;vertexindex++, v += 3)
6597                         {
6598                                 Matrix4x4_Transform(&rsurface.matrix, v, vert);
6599                                 d += fabs(PlaneDiff(vert, &p->plane));
6600                         }
6601                         if (bestd > d || !bestp)
6602                         {
6603                                 bestd = d;
6604                                 bestp = p;
6605                         }
6606                 }
6607                 if (bestp)
6608                 {
6609                         if (refractiontexunit >= 0)
6610                                 R_Mesh_TexBind(refractiontexunit, R_GetTexture(bestp->texture_refraction));
6611                         if (reflectiontexunit >= 0)
6612                                 R_Mesh_TexBind(reflectiontexunit, R_GetTexture(bestp->texture_reflection));
6613                 }
6614                 else
6615                 {
6616                         if (refractiontexunit >= 0)
6617                                 R_Mesh_TexBind(refractiontexunit, R_GetTexture(r_texture_black));
6618                         if (reflectiontexunit >= 0)
6619                                 R_Mesh_TexBind(reflectiontexunit, R_GetTexture(r_texture_black));
6620                 }
6621                 GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
6622                 R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_firsttriangle, surface->num_triangles, rsurface.modelelement3i, rsurface.modelelement3s, rsurface.modelelement3i_bufferobject, rsurface.modelelement3s_bufferobject);
6623         }
6624 }
6625
6626 static void RSurf_DrawBatch_WithLightmapSwitching(int texturenumsurfaces, const msurface_t **texturesurfacelist, int lightmaptexunit, int deluxemaptexunit)
6627 {
6628         int i;
6629         int j;
6630         const msurface_t *surface = texturesurfacelist[0];
6631         const msurface_t *surface2;
6632         int firstvertex;
6633         int endvertex;
6634         int numvertices;
6635         int numtriangles;
6636         // TODO: lock all array ranges before render, rather than on each surface
6637         if (texturenumsurfaces == 1)
6638         {
6639                 R_Mesh_TexBind(lightmaptexunit, R_GetTexture(surface->lightmaptexture));
6640                 if (deluxemaptexunit >= 0)
6641                         R_Mesh_TexBind(deluxemaptexunit, R_GetTexture(surface->deluxemaptexture));
6642                 GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
6643                 R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_firsttriangle, surface->num_triangles, rsurface.modelelement3i, rsurface.modelelement3s, rsurface.modelelement3i_bufferobject, rsurface.modelelement3s_bufferobject);
6644         }
6645         else if (r_batchmode.integer == 2)
6646         {
6647                 #define MAXBATCHTRIANGLES 4096
6648                 int batchtriangles = 0;
6649                 int batchelements[MAXBATCHTRIANGLES*3];
6650                 for (i = 0;i < texturenumsurfaces;i = j)
6651                 {
6652                         surface = texturesurfacelist[i];
6653                         R_Mesh_TexBind(lightmaptexunit, R_GetTexture(surface->lightmaptexture));
6654                         if (deluxemaptexunit >= 0)
6655                                 R_Mesh_TexBind(deluxemaptexunit, R_GetTexture(surface->deluxemaptexture));
6656                         j = i + 1;
6657                         if (surface->num_triangles > MAXBATCHTRIANGLES)
6658                         {
6659                                 R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_firsttriangle, surface->num_triangles, rsurface.modelelement3i, rsurface.modelelement3s, rsurface.modelelement3i_bufferobject, rsurface.modelelement3s_bufferobject);
6660                                 continue;
6661                         }
6662                         memcpy(batchelements, rsurface.modelelement3i + 3 * surface->num_firsttriangle, surface->num_triangles * sizeof(int[3]));
6663                         batchtriangles = surface->num_triangles;
6664                         firstvertex = surface->num_firstvertex;
6665                         endvertex = surface->num_firstvertex + surface->num_vertices;
6666                         for (;j < texturenumsurfaces;j++)
6667                         {
6668                                 surface2 = texturesurfacelist[j];
6669                                 if (surface2->lightmaptexture != surface->lightmaptexture || batchtriangles + surface2->num_triangles > MAXBATCHTRIANGLES)
6670                                         break;
6671                                 memcpy(batchelements + batchtriangles * 3, rsurface.modelelement3i + 3 * surface2->num_firsttriangle, surface2->num_triangles * sizeof(int[3]));
6672                                 batchtriangles += surface2->num_triangles;
6673                                 firstvertex = min(firstvertex, surface2->num_firstvertex);
6674                                 endvertex = max(endvertex, surface2->num_firstvertex + surface2->num_vertices);
6675                         }
6676                         surface2 = texturesurfacelist[j-1];
6677                         numvertices = endvertex - firstvertex;
6678                         R_Mesh_Draw(firstvertex, numvertices, 0, batchtriangles, batchelements, NULL, 0, 0);
6679                 }
6680         }
6681         else if (r_batchmode.integer == 1)
6682         {
6683 #if 0
6684                 Con_Printf("%s batch sizes ignoring lightmap:", rsurface.texture->name);
6685                 for (i = 0;i < texturenumsurfaces;i = j)
6686                 {
6687                         surface = texturesurfacelist[i];
6688                         for (j = i + 1, surface2 = surface + 1;j < texturenumsurfaces;j++, surface2++)
6689                                 if (texturesurfacelist[j] != surface2)
6690                                         break;
6691                         Con_Printf(" %i", j - i);
6692                 }
6693                 Con_Printf("\n");
6694                 Con_Printf("%s batch sizes honoring lightmap:", rsurface.texture->name);
6695 #endif
6696                 for (i = 0;i < texturenumsurfaces;i = j)
6697                 {
6698                         surface = texturesurfacelist[i];
6699                         R_Mesh_TexBind(lightmaptexunit, R_GetTexture(surface->lightmaptexture));
6700                         if (deluxemaptexunit >= 0)
6701                                 R_Mesh_TexBind(deluxemaptexunit, R_GetTexture(surface->deluxemaptexture));
6702                         for (j = i + 1, surface2 = surface + 1;j < texturenumsurfaces;j++, surface2++)
6703                                 if (texturesurfacelist[j] != surface2 || texturesurfacelist[j]->lightmaptexture != surface->lightmaptexture)
6704                                         break;
6705 #if 0
6706                         Con_Printf(" %i", j - i);
6707 #endif
6708                         surface2 = texturesurfacelist[j-1];
6709                         numvertices = surface2->num_firstvertex + surface2->num_vertices - surface->num_firstvertex;
6710                         numtriangles = surface2->num_firsttriangle + surface2->num_triangles - surface->num_firsttriangle;
6711                         GL_LockArrays(surface->num_firstvertex, numvertices);
6712                         R_Mesh_Draw(surface->num_firstvertex, numvertices, surface->num_firsttriangle, numtriangles, rsurface.modelelement3i, rsurface.modelelement3s, rsurface.modelelement3i_bufferobject, rsurface.modelelement3s_bufferobject);
6713                 }
6714 #if 0
6715                 Con_Printf("\n");
6716 #endif
6717         }
6718         else
6719         {
6720                 for (i = 0;i < texturenumsurfaces;i++)
6721                 {
6722                         surface = texturesurfacelist[i];
6723                         R_Mesh_TexBind(lightmaptexunit, R_GetTexture(surface->lightmaptexture));
6724                         if (deluxemaptexunit >= 0)
6725                                 R_Mesh_TexBind(deluxemaptexunit, R_GetTexture(surface->deluxemaptexture));
6726                         GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
6727                         R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_firsttriangle, surface->num_triangles, rsurface.modelelement3i, rsurface.modelelement3s, rsurface.modelelement3i_bufferobject, rsurface.modelelement3s_bufferobject);
6728                 }
6729         }
6730 }
6731
6732 static void RSurf_DrawBatch_ShowSurfaces(int texturenumsurfaces, const msurface_t **texturesurfacelist)
6733 {
6734         int j;
6735         int texturesurfaceindex;
6736         if (r_showsurfaces.integer == 2)
6737         {
6738                 for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
6739                 {
6740                         const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
6741                         for (j = 0;j < surface->num_triangles;j++)
6742                         {
6743                                 float f = ((j + surface->num_firsttriangle) & 31) * (1.0f / 31.0f) * r_refdef.view.colorscale;
6744                                 GL_Color(f, f, f, 1);
6745                                 R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_firsttriangle + j, 1, rsurface.modelelement3i, rsurface.modelelement3s, rsurface.modelelement3i_bufferobject, rsurface.modelelement3s_bufferobject);
6746                         }
6747                 }
6748         }
6749         else
6750         {
6751                 for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
6752                 {
6753                         const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
6754                         int k = (int)(((size_t)surface) / sizeof(msurface_t));
6755                         GL_Color((k & 15) * (1.0f / 16.0f) * r_refdef.view.colorscale, ((k >> 4) & 15) * (1.0f / 16.0f) * r_refdef.view.colorscale, ((k >> 8) & 15) * (1.0f / 16.0f) * r_refdef.view.colorscale, 1);
6756                         GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
6757                         R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_firsttriangle, surface->num_triangles, rsurface.modelelement3i, rsurface.modelelement3s, rsurface.modelelement3i_bufferobject, rsurface.modelelement3s_bufferobject);
6758                 }
6759         }
6760 }
6761
6762 static void RSurf_DrawBatch_GL11_MakeFullbrightLightmapColorArray(int texturenumsurfaces, const msurface_t **texturesurfacelist)
6763 {
6764         int texturesurfaceindex;
6765         int i;
6766         const float *v;
6767         float *c2;
6768         for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
6769         {
6770                 const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
6771                 for (i = 0, v = (rsurface.vertex3f + 3 * surface->num_firstvertex), c2 = (rsurface.array_color4f + 4 * surface->num_firstvertex);i < surface->num_vertices;i++, v += 3, c2 += 4)
6772                 {
6773                         c2[0] = 0.5;
6774                         c2[1] = 0.5;
6775                         c2[2] = 0.5;
6776                         c2[3] = 1;
6777                 }
6778         }
6779         rsurface.lightmapcolor4f = rsurface.array_color4f;
6780         rsurface.lightmapcolor4f_bufferobject = 0;
6781         rsurface.lightmapcolor4f_bufferoffset = 0;
6782 }
6783
6784 static void RSurf_DrawBatch_GL11_ApplyFog(int texturenumsurfaces, const msurface_t **texturesurfacelist)
6785 {
6786         int texturesurfaceindex;
6787         int i;
6788         float f;
6789         const float *v;
6790         const float *c;
6791         float *c2;
6792         if (rsurface.lightmapcolor4f)
6793         {
6794                 // generate color arrays for the surfaces in this list
6795                 for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
6796                 {
6797                         const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
6798                         for (i = 0, v = (rsurface.vertex3f + 3 * surface->num_firstvertex), c = (rsurface.lightmapcolor4f + 4 * surface->num_firstvertex), c2 = (rsurface.array_color4f + 4 * surface->num_firstvertex);i < surface->num_vertices;i++, v += 3, c += 4, c2 += 4)
6799                         {
6800                                 f = RSurf_FogVertex(v);
6801                                 c2[0] = c[0] * f;
6802                                 c2[1] = c[1] * f;
6803                                 c2[2] = c[2] * f;
6804                                 c2[3] = c[3];
6805                         }
6806                 }
6807         }
6808         else
6809         {
6810                 for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
6811                 {
6812                         const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
6813                         for (i = 0, v = (rsurface.vertex3f + 3 * surface->num_firstvertex), c2 = (rsurface.array_color4f + 4 * surface->num_firstvertex);i < surface->num_vertices;i++, v += 3, c2 += 4)
6814                         {
6815                                 f = RSurf_FogVertex(v);
6816                                 c2[0] = f;
6817                                 c2[1] = f;
6818                                 c2[2] = f;
6819                                 c2[3] = 1;
6820                         }
6821                 }
6822         }
6823         rsurface.lightmapcolor4f = rsurface.array_color4f;
6824         rsurface.lightmapcolor4f_bufferobject = 0;
6825         rsurface.lightmapcolor4f_bufferoffset = 0;
6826 }
6827
6828 static void RSurf_DrawBatch_GL11_ApplyFogToFinishedVertexColors(int texturenumsurfaces, const msurface_t **texturesurfacelist)
6829 {
6830         int texturesurfaceindex;
6831         int i;
6832         float f;
6833         const float *v;
6834         const float *c;
6835         float *c2;
6836         if (!rsurface.lightmapcolor4f)
6837                 return;
6838         // generate color arrays for the surfaces in this list
6839         for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
6840         {
6841                 const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
6842                 for (i = 0, v = (rsurface.vertex3f + 3 * surface->num_firstvertex), c = (rsurface.lightmapcolor4f + 4 * surface->num_firstvertex), c2 = (rsurface.array_color4f + 4 * surface->num_firstvertex);i < surface->num_vertices;i++, v += 3, c += 4, c2 += 4)
6843                 {
6844                         f = RSurf_FogVertex(v);
6845                         c2[0] = c[0] * f + r_refdef.fogcolor[0] * (1 - f);
6846                         c2[1] = c[1] * f + r_refdef.fogcolor[1] * (1 - f);
6847                         c2[2] = c[2] * f + r_refdef.fogcolor[2] * (1 - f);
6848                         c2[3] = c[3];
6849                 }
6850         }
6851         rsurface.lightmapcolor4f = rsurface.array_color4f;
6852         rsurface.lightmapcolor4f_bufferobject = 0;
6853         rsurface.lightmapcolor4f_bufferoffset = 0;
6854 }
6855
6856 static void RSurf_DrawBatch_GL11_ApplyColor(int texturenumsurfaces, const msurface_t **texturesurfacelist, float r, float g, float b, float a)
6857 {
6858         int texturesurfaceindex;
6859         int i;
6860         const float *c;
6861         float *c2;
6862         if (!rsurface.lightmapcolor4f)
6863                 return;
6864         for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
6865         {
6866                 const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
6867                 for (i = 0, c = (rsurface.lightmapcolor4f + 4 * surface->num_firstvertex), c2 = (rsurface.array_color4f + 4 * surface->num_firstvertex);i < surface->num_vertices;i++, c += 4, c2 += 4)
6868                 {
6869                         c2[0] = c[0] * r;
6870                         c2[1] = c[1] * g;
6871                         c2[2] = c[2] * b;
6872                         c2[3] = c[3] * a;
6873                 }
6874         }
6875         rsurface.lightmapcolor4f = rsurface.array_color4f;
6876         rsurface.lightmapcolor4f_bufferobject = 0;
6877         rsurface.lightmapcolor4f_bufferoffset = 0;
6878 }
6879
6880 static void RSurf_DrawBatch_GL11_ApplyAmbient(int texturenumsurfaces, const msurface_t **texturesurfacelist)
6881 {
6882         int texturesurfaceindex;
6883         int i;
6884         const float *c;
6885         float *c2;
6886         if (!rsurface.lightmapcolor4f)
6887                 return;
6888         for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
6889         {
6890                 const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
6891                 for (i = 0, c = (rsurface.lightmapcolor4f + 4 * surface->num_firstvertex), c2 = (rsurface.array_color4f + 4 * surface->num_firstvertex);i < surface->num_vertices;i++, c += 4, c2 += 4)
6892                 {
6893                         c2[0] = c[0] + r_refdef.scene.ambient / 128.0;
6894                         c2[1] = c[1] + r_refdef.scene.ambient / 128.0;
6895                         c2[2] = c[2] + r_refdef.scene.ambient / 128.0;
6896                         c2[3] = c[3];
6897                 }
6898         }
6899         rsurface.lightmapcolor4f = rsurface.array_color4f;
6900         rsurface.lightmapcolor4f_bufferobject = 0;
6901         rsurface.lightmapcolor4f_bufferoffset = 0;
6902 }
6903
6904 static void RSurf_DrawBatch_GL11_Lightmap(int texturenumsurfaces, const msurface_t **texturesurfacelist, float r, float g, float b, float a, qboolean applycolor, qboolean applyfog)
6905 {
6906         // TODO: optimize
6907         rsurface.lightmapcolor4f = NULL;
6908         rsurface.lightmapcolor4f_bufferobject = 0;
6909         rsurface.lightmapcolor4f_bufferoffset = 0;
6910         if (applyfog)   RSurf_DrawBatch_GL11_ApplyFog(texturenumsurfaces, texturesurfacelist);
6911         if (applycolor) RSurf_DrawBatch_GL11_ApplyColor(texturenumsurfaces, texturesurfacelist, r, g, b, a);
6912         R_Mesh_ColorPointer(rsurface.lightmapcolor4f, rsurface.lightmapcolor4f_bufferobject, rsurface.lightmapcolor4f_bufferoffset);
6913         GL_Color(r, g, b, a);
6914         RSurf_DrawBatch_WithLightmapSwitching(texturenumsurfaces, texturesurfacelist, 0, -1);
6915 }
6916
6917 static void RSurf_DrawBatch_GL11_Unlit(int texturenumsurfaces, const msurface_t **texturesurfacelist, float r, float g, float b, float a, qboolean applycolor, qboolean applyfog)
6918 {
6919         // TODO: optimize applyfog && applycolor case
6920         // just apply fog if necessary, and tint the fog color array if necessary
6921         rsurface.lightmapcolor4f = NULL;
6922         rsurface.lightmapcolor4f_bufferobject = 0;
6923         rsurface.lightmapcolor4f_bufferoffset = 0;
6924         if (applyfog)   RSurf_DrawBatch_GL11_ApplyFog(texturenumsurfaces, texturesurfacelist);
6925         if (applycolor) RSurf_DrawBatch_GL11_ApplyColor(texturenumsurfaces, texturesurfacelist, r, g, b, a);
6926         R_Mesh_ColorPointer(rsurface.lightmapcolor4f, rsurface.lightmapcolor4f_bufferobject, rsurface.lightmapcolor4f_bufferoffset);
6927         GL_Color(r, g, b, a);
6928         RSurf_DrawBatch_Simple(texturenumsurfaces, texturesurfacelist);
6929 }
6930
6931 static void RSurf_DrawBatch_GL11_VertexColor(int texturenumsurfaces, const msurface_t **texturesurfacelist, float r, float g, float b, float a, qboolean applycolor, qboolean applyfog)
6932 {
6933         int texturesurfaceindex;
6934         int i;
6935         float *c;
6936         // TODO: optimize
6937         if (texturesurfacelist[0]->lightmapinfo)
6938         {
6939                 // generate color arrays for the surfaces in this list
6940                 for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
6941                 {
6942                         const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
6943                         for (i = 0, c = rsurface.array_color4f + 4 * surface->num_firstvertex;i < surface->num_vertices;i++, c += 4)
6944                         {
6945                                 if (surface->lightmapinfo->samples)
6946                                 {
6947                                         const unsigned char *lm = surface->lightmapinfo->samples + (rsurface.modellightmapoffsets + surface->num_firstvertex)[i];
6948                                         float scale = r_refdef.scene.lightstylevalue[surface->lightmapinfo->styles[0]] * (1.0f / 32768.0f);
6949                                         VectorScale(lm, scale, c);
6950                                         if (surface->lightmapinfo->styles[1] != 255)
6951                                         {
6952                                                 int size3 = ((surface->lightmapinfo->extents[0]>>4)+1)*((surface->lightmapinfo->extents[1]>>4)+1)*3;
6953                                                 lm += size3;
6954                                                 scale = r_refdef.scene.lightstylevalue[surface->lightmapinfo->styles[1]] * (1.0f / 32768.0f);
6955                                                 VectorMA(c, scale, lm, c);
6956                                                 if (surface->lightmapinfo->styles[2] != 255)
6957                                                 {
6958                                                         lm += size3;
6959                                                         scale = r_refdef.scene.lightstylevalue[surface->lightmapinfo->styles[2]] * (1.0f / 32768.0f);
6960                                                         VectorMA(c, scale, lm, c);
6961                                                         if (surface->lightmapinfo->styles[3] != 255)
6962                                                         {
6963                                                                 lm += size3;
6964                                                                 scale = r_refdef.scene.lightstylevalue[surface->lightmapinfo->styles[3]] * (1.0f / 32768.0f);
6965                                                                 VectorMA(c, scale, lm, c);
6966                                                         }
6967                                                 }
6968                                         }
6969                                 }
6970                                 else
6971                                         VectorClear(c);
6972                                 c[3] = 1;
6973                         }
6974                 }
6975                 rsurface.lightmapcolor4f = rsurface.array_color4f;
6976                 rsurface.lightmapcolor4f_bufferobject = 0;
6977                 rsurface.lightmapcolor4f_bufferoffset = 0;
6978         }
6979         else
6980         {
6981                 rsurface.lightmapcolor4f = rsurface.modellightmapcolor4f;
6982                 rsurface.lightmapcolor4f_bufferobject = rsurface.modellightmapcolor4f_bufferobject;
6983                 rsurface.lightmapcolor4f_bufferoffset = rsurface.modellightmapcolor4f_bufferoffset;
6984         }
6985         if (applyfog)   RSurf_DrawBatch_GL11_ApplyFog(texturenumsurfaces, texturesurfacelist);
6986         if (applycolor) RSurf_DrawBatch_GL11_ApplyColor(texturenumsurfaces, texturesurfacelist, r, g, b, a);
6987         R_Mesh_ColorPointer(rsurface.lightmapcolor4f, rsurface.lightmapcolor4f_bufferobject, rsurface.lightmapcolor4f_bufferoffset);
6988         GL_Color(r, g, b, a);
6989         RSurf_DrawBatch_Simple(texturenumsurfaces, texturesurfacelist);
6990 }
6991
6992 static void RSurf_DrawBatch_GL11_ApplyVertexShade(int texturenumsurfaces, const msurface_t **texturesurfacelist, float *r, float *g, float *b, float *a, qboolean *applycolor)
6993 {
6994         int texturesurfaceindex;
6995         int i;
6996         float f;
6997         float alpha;
6998         const float *v;
6999         const float *n;
7000         float *c;
7001         vec3_t ambientcolor;
7002         vec3_t diffusecolor;
7003         vec3_t lightdir;
7004         // TODO: optimize
7005         // model lighting
7006         VectorCopy(rsurface.modellight_lightdir, lightdir);
7007         f = 0.5f * r_refdef.lightmapintensity;
7008         ambientcolor[0] = rsurface.modellight_ambient[0] * *r * f;
7009         ambientcolor[1] = rsurface.modellight_ambient[1] * *g * f;
7010         ambientcolor[2] = rsurface.modellight_ambient[2] * *b * f;
7011         diffusecolor[0] = rsurface.modellight_diffuse[0] * *r * f;
7012         diffusecolor[1] = rsurface.modellight_diffuse[1] * *g * f;
7013         diffusecolor[2] = rsurface.modellight_diffuse[2] * *b * f;
7014         alpha = *a;
7015         if (VectorLength2(diffusecolor) > 0 && rsurface.normal3f)
7016         {
7017                 // generate color arrays for the surfaces in this list
7018                 for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
7019                 {
7020                         const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
7021                         int numverts = surface->num_vertices;
7022                         v = rsurface.vertex3f + 3 * surface->num_firstvertex;
7023                         n = rsurface.normal3f + 3 * surface->num_firstvertex;
7024                         c = rsurface.array_color4f + 4 * surface->num_firstvertex;
7025                         // q3-style directional shading
7026                         for (i = 0;i < numverts;i++, v += 3, n += 3, c += 4)
7027                         {
7028                                 if ((f = DotProduct(n, lightdir)) > 0)
7029                                         VectorMA(ambientcolor, f, diffusecolor, c);
7030                                 else
7031                                         VectorCopy(ambientcolor, c);
7032                                 c[3] = alpha;
7033                         }
7034                 }
7035                 *r = 1;
7036                 *g = 1;
7037                 *b = 1;
7038                 *a = 1;
7039                 rsurface.lightmapcolor4f = rsurface.array_color4f;
7040                 rsurface.lightmapcolor4f_bufferobject = 0;
7041                 rsurface.lightmapcolor4f_bufferoffset = 0;
7042                 *applycolor = false;
7043         }
7044         else
7045         {
7046                 *r = ambientcolor[0];
7047                 *g = ambientcolor[1];
7048                 *b = ambientcolor[2];
7049                 rsurface.lightmapcolor4f = NULL;
7050                 rsurface.lightmapcolor4f_bufferobject = 0;
7051                 rsurface.lightmapcolor4f_bufferoffset = 0;
7052         }
7053 }
7054
7055 static void RSurf_DrawBatch_GL11_VertexShade(int texturenumsurfaces, const msurface_t **texturesurfacelist, float r, float g, float b, float a, qboolean applycolor, qboolean applyfog)
7056 {
7057         RSurf_DrawBatch_GL11_ApplyVertexShade(texturenumsurfaces, texturesurfacelist, &r, &g, &b, &a, &applycolor);
7058         if (applyfog)   RSurf_DrawBatch_GL11_ApplyFog(texturenumsurfaces, texturesurfacelist);
7059         if (applycolor) RSurf_DrawBatch_GL11_ApplyColor(texturenumsurfaces, texturesurfacelist, r, g, b, a);
7060         R_Mesh_ColorPointer(rsurface.lightmapcolor4f, rsurface.lightmapcolor4f_bufferobject, rsurface.lightmapcolor4f_bufferoffset);
7061         GL_Color(r, g, b, a);
7062         RSurf_DrawBatch_Simple(texturenumsurfaces, texturesurfacelist);
7063 }
7064
7065 void RSurf_SetupDepthAndCulling(void)
7066 {
7067         // submodels are biased to avoid z-fighting with world surfaces that they
7068         // may be exactly overlapping (avoids z-fighting artifacts on certain
7069         // doors and things in Quake maps)
7070         GL_DepthRange(0, (rsurface.texture->currentmaterialflags & MATERIALFLAG_SHORTDEPTHRANGE) ? 0.0625 : 1);
7071         GL_PolygonOffset(rsurface.basepolygonfactor + rsurface.texture->biaspolygonfactor, rsurface.basepolygonoffset + rsurface.texture->biaspolygonoffset);
7072         GL_DepthTest(!(rsurface.texture->currentmaterialflags & MATERIALFLAG_NODEPTHTEST));
7073         GL_CullFace((rsurface.texture->currentmaterialflags & MATERIALFLAG_NOCULLFACE) ? GL_NONE : r_refdef.view.cullface_back);
7074 }
7075
7076 static void R_DrawTextureSurfaceList_Sky(int texturenumsurfaces, const msurface_t **texturesurfacelist)
7077 {
7078         // transparent sky would be ridiculous
7079         if (rsurface.texture->currentmaterialflags & MATERIALFLAGMASK_DEPTHSORTED)
7080                 return;
7081         R_SetupGenericShader(false);
7082         skyrenderlater = true;
7083         RSurf_SetupDepthAndCulling();
7084         GL_DepthMask(true);
7085         // LordHavoc: HalfLife maps have freaky skypolys so don't use
7086         // skymasking on them, and Quake3 never did sky masking (unlike
7087         // software Quake and software Quake2), so disable the sky masking
7088         // in Quake3 maps as it causes problems with q3map2 sky tricks,
7089         // and skymasking also looks very bad when noclipping outside the
7090         // level, so don't use it then either.
7091         if (r_refdef.scene.worldmodel && r_refdef.scene.worldmodel->type == mod_brushq1 && r_q1bsp_skymasking.integer && !r_refdef.viewcache.world_novis)
7092         {
7093                 GL_Color(r_refdef.fogcolor[0], r_refdef.fogcolor[1], r_refdef.fogcolor[2], 1);
7094                 R_Mesh_ColorPointer(NULL, 0, 0);
7095                 R_Mesh_ResetTextureState();
7096                 if (skyrendermasked)
7097                 {
7098                         R_SetupDepthOrShadowShader();
7099                         // depth-only (masking)
7100                         GL_ColorMask(0,0,0,0);
7101                         // just to make sure that braindead drivers don't draw
7102                         // anything despite that colormask...
7103                         GL_BlendFunc(GL_ZERO, GL_ONE);
7104                 }
7105                 else
7106                 {
7107                         R_SetupGenericShader(false);
7108                         // fog sky
7109                         GL_BlendFunc(GL_ONE, GL_ZERO);
7110                 }
7111                 RSurf_PrepareVerticesForBatch(false, false, texturenumsurfaces, texturesurfacelist);
7112                 RSurf_DrawBatch_Simple(texturenumsurfaces, texturesurfacelist);
7113                 if (skyrendermasked)
7114                         GL_ColorMask(r_refdef.view.colormask[0], r_refdef.view.colormask[1], r_refdef.view.colormask[2], 1);
7115         }
7116         R_Mesh_ResetTextureState();
7117         GL_Color(1, 1, 1, 1);
7118 }
7119
7120 static void R_DrawTextureSurfaceList_GL20(int texturenumsurfaces, const msurface_t **texturesurfacelist, qboolean writedepth)
7121 {
7122         if (r_waterstate.renderingscene && (rsurface.texture->currentmaterialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION | MATERIALFLAG_REFLECTION)))
7123                 return;
7124
7125         R_Mesh_TexMatrix(0, &rsurface.texture->currenttexmatrix);
7126         R_Mesh_TexMatrix(1, &rsurface.texture->currentbackgroundtexmatrix);
7127         R_Mesh_TexBind(GL20TU_NORMAL, R_GetTexture(rsurface.texture->currentskinframe->nmap));
7128         R_Mesh_TexBind(GL20TU_COLOR, R_GetTexture(rsurface.texture->basetexture));
7129         R_Mesh_TexBind(GL20TU_GLOSS, R_GetTexture(rsurface.texture->glosstexture));
7130         R_Mesh_TexBind(GL20TU_GLOW, R_GetTexture(rsurface.texture->currentskinframe->glow));
7131         if (rsurface.texture->backgroundcurrentskinframe)
7132         {
7133                 R_Mesh_TexBind(GL20TU_SECONDARY_NORMAL, R_GetTexture(rsurface.texture->backgroundcurrentskinframe->nmap));
7134                 R_Mesh_TexBind(GL20TU_SECONDARY_COLOR, R_GetTexture(rsurface.texture->backgroundbasetexture));
7135                 R_Mesh_TexBind(GL20TU_SECONDARY_GLOSS, R_GetTexture(rsurface.texture->backgroundglosstexture));
7136                 R_Mesh_TexBind(GL20TU_SECONDARY_GLOW, R_GetTexture(rsurface.texture->backgroundcurrentskinframe->glow));
7137         }
7138         if(rsurface.texture->colormapping)
7139         {
7140                 R_Mesh_TexBind(GL20TU_PANTS, R_GetTexture(rsurface.texture->currentskinframe->pants));
7141                 R_Mesh_TexBind(GL20TU_SHIRT, R_GetTexture(rsurface.texture->currentskinframe->shirt));
7142         }
7143         R_Mesh_TexBind(GL20TU_FOGMASK, R_GetTexture(r_texture_fogattenuation));
7144         if ((rsurface.uselightmaptexture || (rsurface.texture->currentmaterialflags & MATERIALFLAG_FULLBRIGHT)) && !(rsurface.texture->currentmaterialflags & MATERIALFLAG_VERTEXTEXTUREBLEND))
7145                 R_Mesh_ColorPointer(NULL, 0, 0);
7146         else
7147                 R_Mesh_ColorPointer(rsurface.modellightmapcolor4f, rsurface.modellightmapcolor4f_bufferobject, rsurface.modellightmapcolor4f_bufferoffset);
7148
7149         if (rsurface.texture->currentmaterialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFRACTION))
7150         {
7151                 // render background
7152                 GL_BlendFunc(GL_ONE, GL_ZERO);
7153                 GL_DepthMask(true);
7154                 GL_AlphaTest(false);
7155
7156                 GL_Color(1, 1, 1, 1);
7157                 R_Mesh_ColorPointer(NULL, 0, 0);
7158
7159                 R_SetupSurfaceShader(vec3_origin, (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT) != 0, 1, 1, rsurface.texture->specularscale, RSURFPASS_BACKGROUND);
7160                 if (r_glsl_permutation)
7161                 {
7162                         RSurf_PrepareVerticesForBatch(true, true, texturenumsurfaces, texturesurfacelist);
7163                         R_Mesh_TexCoordPointer(0, 2, rsurface.texcoordtexture2f, rsurface.texcoordtexture2f_bufferobject, rsurface.texcoordtexture2f_bufferoffset);
7164                         R_Mesh_TexCoordPointer(1, 3, rsurface.svector3f, rsurface.svector3f_bufferobject, rsurface.svector3f_bufferoffset);
7165                         R_Mesh_TexCoordPointer(2, 3, rsurface.tvector3f, rsurface.tvector3f_bufferobject, rsurface.tvector3f_bufferoffset);
7166                         R_Mesh_TexCoordPointer(3, 3, rsurface.normal3f, rsurface.normal3f_bufferobject, rsurface.normal3f_bufferoffset);
7167                         R_Mesh_TexCoordPointer(4, 2, rsurface.modeltexcoordlightmap2f, rsurface.modeltexcoordlightmap2f_bufferobject, rsurface.modeltexcoordlightmap2f_bufferoffset);
7168                         RSurf_DrawBatch_WithLightmapSwitching_WithWaterTextureSwitching(texturenumsurfaces, texturesurfacelist, -1, -1, r_glsl_permutation->loc_Texture_Refraction >= 0 ? GL20TU_REFRACTION : -1, r_glsl_permutation->loc_Texture_Reflection >= 0 ? GL20TU_REFLECTION : -1);
7169                 }
7170                 GL_LockArrays(0, 0);
7171
7172                 GL_BlendFunc(rsurface.texture->currentlayers[0].blendfunc1, rsurface.texture->currentlayers[0].blendfunc2);
7173                 GL_DepthMask(false);
7174                 if ((rsurface.uselightmaptexture || (rsurface.texture->currentmaterialflags & MATERIALFLAG_FULLBRIGHT)) && !(rsurface.texture->currentmaterialflags & MATERIALFLAG_VERTEXTEXTUREBLEND))
7175                         R_Mesh_ColorPointer(NULL, 0, 0);
7176                 else
7177                         R_Mesh_ColorPointer(rsurface.modellightmapcolor4f, rsurface.modellightmapcolor4f_bufferobject, rsurface.modellightmapcolor4f_bufferoffset);
7178                 R_Mesh_TexBind(GL20TU_REFRACTION, R_GetTexture(r_texture_white)); // changed per surface
7179                 R_Mesh_TexBind(GL20TU_REFLECTION, R_GetTexture(r_texture_white)); // changed per surface
7180         }
7181
7182         R_SetupSurfaceShader(vec3_origin, (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT) != 0, 1, 1, rsurface.texture->specularscale, RSURFPASS_BASE);
7183         if (!r_glsl_permutation)
7184                 return;
7185
7186         RSurf_PrepareVerticesForBatch(r_glsl_permutation->loc_Texture_Normal >= 0 || r_glsl_permutation->loc_LightDir >= 0, r_glsl_permutation->loc_Texture_Normal >= 0, texturenumsurfaces, texturesurfacelist);
7187         R_Mesh_TexCoordPointer(0, 2, rsurface.texcoordtexture2f, rsurface.texcoordtexture2f_bufferobject, rsurface.texcoordtexture2f_bufferoffset);
7188         R_Mesh_TexCoordPointer(1, 3, rsurface.svector3f, rsurface.svector3f_bufferobject, rsurface.svector3f_bufferoffset);
7189         R_Mesh_TexCoordPointer(2, 3, rsurface.tvector3f, rsurface.tvector3f_bufferobject, rsurface.tvector3f_bufferoffset);
7190         R_Mesh_TexCoordPointer(3, 3, rsurface.normal3f, rsurface.normal3f_bufferobject, rsurface.normal3f_bufferoffset);
7191         R_Mesh_TexCoordPointer(4, 2, rsurface.modeltexcoordlightmap2f, rsurface.modeltexcoordlightmap2f_bufferobject, rsurface.modeltexcoordlightmap2f_bufferoffset);
7192
7193         if (r_glsl_permutation->loc_Texture_Refraction >= 0)
7194         {
7195                 GL_BlendFunc(GL_ONE, GL_ZERO);
7196                 GL_DepthMask(true);
7197                 GL_AlphaTest(false);
7198         }
7199         else
7200         {
7201                 GL_BlendFunc(rsurface.texture->currentlayers[0].blendfunc1, rsurface.texture->currentlayers[0].blendfunc2);
7202                 GL_DepthMask(writedepth && !(rsurface.texture->currentmaterialflags & MATERIALFLAG_BLENDED));
7203                 GL_AlphaTest((rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST) != 0);
7204         }
7205
7206         if (rsurface.uselightmaptexture && !(rsurface.texture->currentmaterialflags & MATERIALFLAG_FULLBRIGHT))
7207         {
7208                 if (r_glsl_permutation->loc_Texture_Refraction >= 0 || r_glsl_permutation->loc_Texture_Reflection >= 0)
7209                         RSurf_DrawBatch_WithLightmapSwitching_WithWaterTextureSwitching(texturenumsurfaces, texturesurfacelist, GL20TU_LIGHTMAP, r_glsl_permutation->loc_Texture_Deluxemap >= 0 ? GL20TU_DELUXEMAP : -1, r_glsl_permutation->loc_Texture_Refraction >= 0 ? GL20TU_REFRACTION : -1, r_glsl_permutation->loc_Texture_Reflection >= 0 ? GL20TU_REFLECTION : -1);
7210                 else
7211                         RSurf_DrawBatch_WithLightmapSwitching(texturenumsurfaces, texturesurfacelist, GL20TU_LIGHTMAP, r_glsl_permutation->loc_Texture_Deluxemap >= 0 ? GL20TU_DELUXEMAP : -1);
7212         }
7213         else
7214         {
7215                 if (r_glsl_permutation->loc_Texture_Refraction >= 0 || r_glsl_permutation->loc_Texture_Reflection >= 0)
7216                         RSurf_DrawBatch_WithLightmapSwitching_WithWaterTextureSwitching(texturenumsurfaces, texturesurfacelist, -1, -1, r_glsl_permutation->loc_Texture_Refraction >= 0 ? GL20TU_REFRACTION : -1, r_glsl_permutation->loc_Texture_Reflection >= 0 ? GL20TU_REFLECTION : -1);
7217                 else
7218                         RSurf_DrawBatch_Simple(texturenumsurfaces, texturesurfacelist);
7219         }
7220         GL_LockArrays(0, 0);
7221 }
7222
7223 static void R_DrawTextureSurfaceList_GL13(int texturenumsurfaces, const msurface_t **texturesurfacelist, qboolean writedepth)
7224 {
7225         // OpenGL 1.3 path - anything not completely ancient
7226         int texturesurfaceindex;
7227         qboolean applycolor;
7228         qboolean applyfog;
7229         rmeshstate_t m;
7230         int layerindex;
7231         const texturelayer_t *layer;
7232         RSurf_PrepareVerticesForBatch(true, false, texturenumsurfaces, texturesurfacelist);
7233
7234         for (layerindex = 0, layer = rsurface.texture->currentlayers;layerindex < rsurface.texture->currentnumlayers;layerindex++, layer++)
7235         {
7236                 vec4_t layercolor;
7237                 int layertexrgbscale;
7238                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST)
7239                 {
7240                         if (layerindex == 0)
7241                                 GL_AlphaTest(true);
7242                         else
7243                         {
7244                                 GL_AlphaTest(false);
7245                                 qglDepthFunc(GL_EQUAL);CHECKGLERROR
7246                         }
7247                 }
7248                 GL_DepthMask(layer->depthmask && writedepth);
7249                 GL_BlendFunc(layer->blendfunc1, layer->blendfunc2);
7250                 if (layer->color[0] > 2 || layer->color[1] > 2 || layer->color[2] > 2)
7251                 {
7252                         layertexrgbscale = 4;
7253                         VectorScale(layer->color, 0.25f, layercolor);
7254                 }
7255                 else if (layer->color[0] > 1 || layer->color[1] > 1 || layer->color[2] > 1)
7256                 {
7257                         layertexrgbscale = 2;
7258                         VectorScale(layer->color, 0.5f, layercolor);
7259                 }
7260                 else
7261                 {
7262                         layertexrgbscale = 1;
7263                         VectorScale(layer->color, 1.0f, layercolor);
7264                 }
7265                 layercolor[3] = layer->color[3];
7266                 applycolor = layercolor[0] != 1 || layercolor[1] != 1 || layercolor[2] != 1 || layercolor[3] != 1;
7267                 R_Mesh_ColorPointer(NULL, 0, 0);
7268                 applyfog = (layer->flags & TEXTURELAYERFLAG_FOGDARKEN) != 0;
7269                 switch (layer->type)
7270                 {
7271                 case TEXTURELAYERTYPE_LITTEXTURE:
7272                         memset(&m, 0, sizeof(m));
7273                         m.tex[0] = R_GetTexture(r_texture_white);
7274                         m.pointer_texcoord[0] = rsurface.modeltexcoordlightmap2f;
7275                         m.pointer_texcoord_bufferobject[0] = rsurface.modeltexcoordlightmap2f_bufferobject;
7276                         m.pointer_texcoord_bufferoffset[0] = rsurface.modeltexcoordlightmap2f_bufferoffset;
7277                         m.tex[1] = R_GetTexture(layer->texture);
7278                         m.texmatrix[1] = layer->texmatrix;
7279                         m.texrgbscale[1] = layertexrgbscale;
7280                         m.pointer_texcoord[1] = rsurface.texcoordtexture2f;
7281                         m.pointer_texcoord_bufferobject[1] = rsurface.texcoordtexture2f_bufferobject;
7282                         m.pointer_texcoord_bufferoffset[1] = rsurface.texcoordtexture2f_bufferoffset;
7283                         R_Mesh_TextureState(&m);
7284                         if (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT)
7285                                 RSurf_DrawBatch_GL11_VertexShade(texturenumsurfaces, texturesurfacelist, layercolor[0], layercolor[1], layercolor[2], layercolor[3], applycolor, applyfog);
7286                         else if (rsurface.uselightmaptexture)
7287                                 RSurf_DrawBatch_GL11_Lightmap(texturenumsurfaces, texturesurfacelist, layercolor[0], layercolor[1], layercolor[2], layercolor[3], applycolor, applyfog);
7288                         else
7289                                 RSurf_DrawBatch_GL11_VertexColor(texturenumsurfaces, texturesurfacelist, layercolor[0], layercolor[1], layercolor[2], layercolor[3], applycolor, applyfog);
7290                         break;
7291                 case TEXTURELAYERTYPE_TEXTURE:
7292                         memset(&m, 0, sizeof(m));
7293                         m.tex[0] = R_GetTexture(layer->texture);
7294                         m.texmatrix[0] = layer->texmatrix;
7295                         m.texrgbscale[0] = layertexrgbscale;
7296                         m.pointer_texcoord[0] = rsurface.texcoordtexture2f;
7297                         m.pointer_texcoord_bufferobject[0] = rsurface.texcoordtexture2f_bufferobject;
7298                         m.pointer_texcoord_bufferoffset[0] = rsurface.texcoordtexture2f_bufferoffset;
7299                         R_Mesh_TextureState(&m);
7300                         RSurf_DrawBatch_GL11_Unlit(texturenumsurfaces, texturesurfacelist, layercolor[0], layercolor[1], layercolor[2], layercolor[3], applycolor, applyfog);
7301                         break;
7302                 case TEXTURELAYERTYPE_FOG:
7303                         memset(&m, 0, sizeof(m));
7304                         m.texrgbscale[0] = layertexrgbscale;
7305                         if (layer->texture)
7306                         {
7307                                 m.tex[0] = R_GetTexture(layer->texture);
7308                                 m.texmatrix[0] = layer->texmatrix;
7309                                 m.pointer_texcoord[0] = rsurface.texcoordtexture2f;
7310                                 m.pointer_texcoord_bufferobject[0] = rsurface.texcoordtexture2f_bufferobject;
7311                                 m.pointer_texcoord_bufferoffset[0] = rsurface.texcoordtexture2f_bufferoffset;
7312                         }
7313                         R_Mesh_TextureState(&m);
7314                         // generate a color array for the fog pass
7315                         R_Mesh_ColorPointer(rsurface.array_color4f, 0, 0);
7316                         for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
7317                         {
7318                                 int i;
7319                                 float f;
7320                                 const float *v;
7321                                 float *c;
7322                                 const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
7323                                 for (i = 0, v = (rsurface.vertex3f + 3 * surface->num_firstvertex), c = (rsurface.array_color4f + 4 * surface->num_firstvertex);i < surface->num_vertices;i++, v += 3, c += 4)
7324                                 {
7325                                         f = 1 - RSurf_FogVertex(v);
7326                                         c[0] = layercolor[0];
7327                                         c[1] = layercolor[1];
7328                                         c[2] = layercolor[2];
7329                                         c[3] = f * layercolor[3];
7330                                 }
7331                         }
7332                         RSurf_DrawBatch_Simple(texturenumsurfaces, texturesurfacelist);
7333                         break;
7334                 default:
7335                         Con_Printf("R_DrawTextureSurfaceList: unknown layer type %i\n", layer->type);
7336                 }
7337                 GL_LockArrays(0, 0);
7338         }
7339         CHECKGLERROR
7340         if (rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST)
7341         {
7342                 qglDepthFunc(GL_LEQUAL);CHECKGLERROR
7343                 GL_AlphaTest(false);
7344         }
7345 }
7346
7347 static void R_DrawTextureSurfaceList_GL11(int texturenumsurfaces, const msurface_t **texturesurfacelist, qboolean writedepth)
7348 {
7349         // OpenGL 1.1 - crusty old voodoo path
7350         int texturesurfaceindex;
7351         qboolean applyfog;
7352         rmeshstate_t m;
7353         int layerindex;
7354         const texturelayer_t *layer;
7355         RSurf_PrepareVerticesForBatch(true, false, texturenumsurfaces, texturesurfacelist);
7356
7357         for (layerindex = 0, layer = rsurface.texture->currentlayers;layerindex < rsurface.texture->currentnumlayers;layerindex++, layer++)
7358         {
7359                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST)
7360                 {
7361                         if (layerindex == 0)
7362                                 GL_AlphaTest(true);
7363                         else
7364                         {
7365                                 GL_AlphaTest(false);
7366                                 qglDepthFunc(GL_EQUAL);CHECKGLERROR
7367                         }
7368                 }
7369                 GL_DepthMask(layer->depthmask && writedepth);
7370                 GL_BlendFunc(layer->blendfunc1, layer->blendfunc2);
7371                 R_Mesh_ColorPointer(NULL, 0, 0);
7372                 applyfog = (layer->flags & TEXTURELAYERFLAG_FOGDARKEN) != 0;
7373                 switch (layer->type)
7374                 {
7375                 case TEXTURELAYERTYPE_LITTEXTURE:
7376                         if (layer->blendfunc1 == GL_ONE && layer->blendfunc2 == GL_ZERO)
7377                         {
7378                                 // two-pass lit texture with 2x rgbscale
7379                                 // first the lightmap pass
7380                                 memset(&m, 0, sizeof(m));
7381                                 m.tex[0] = R_GetTexture(r_texture_white);
7382                                 m.pointer_texcoord[0] = rsurface.modeltexcoordlightmap2f;
7383                                 m.pointer_texcoord_bufferobject[0] = rsurface.modeltexcoordlightmap2f_bufferobject;
7384                                 m.pointer_texcoord_bufferoffset[0] = rsurface.modeltexcoordlightmap2f_bufferoffset;
7385                                 R_Mesh_TextureState(&m);
7386                                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT)
7387                                         RSurf_DrawBatch_GL11_VertexShade(texturenumsurfaces, texturesurfacelist, 1, 1, 1, 1, false, false);
7388                                 else if (rsurface.uselightmaptexture)
7389                                         RSurf_DrawBatch_GL11_Lightmap(texturenumsurfaces, texturesurfacelist, 1, 1, 1, 1, false, false);
7390                                 else
7391                                         RSurf_DrawBatch_GL11_VertexColor(texturenumsurfaces, texturesurfacelist, 1, 1, 1, 1, false, false);
7392                                 GL_LockArrays(0, 0);
7393                                 // then apply the texture to it
7394                                 GL_BlendFunc(GL_DST_COLOR, GL_SRC_COLOR);
7395                                 memset(&m, 0, sizeof(m));
7396                                 m.tex[0] = R_GetTexture(layer->texture);
7397                                 m.texmatrix[0] = layer->texmatrix;
7398                                 m.pointer_texcoord[0] = rsurface.texcoordtexture2f;
7399                                 m.pointer_texcoord_bufferobject[0] = rsurface.texcoordtexture2f_bufferobject;
7400                                 m.pointer_texcoord_bufferoffset[0] = rsurface.texcoordtexture2f_bufferoffset;
7401                                 R_Mesh_TextureState(&m);
7402                                 RSurf_DrawBatch_GL11_Unlit(texturenumsurfaces, texturesurfacelist, 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);
7403                         }
7404                         else
7405                         {
7406                                 // single pass vertex-lighting-only texture with 1x rgbscale and transparency support
7407                                 memset(&m, 0, sizeof(m));
7408                                 m.tex[0] = R_GetTexture(layer->texture);
7409                                 m.texmatrix[0] = layer->texmatrix;
7410                                 m.pointer_texcoord[0] = rsurface.texcoordtexture2f;
7411                                 m.pointer_texcoord_bufferobject[0] = rsurface.texcoordtexture2f_bufferobject;
7412                                 m.pointer_texcoord_bufferoffset[0] = rsurface.texcoordtexture2f_bufferoffset;
7413                                 R_Mesh_TextureState(&m);
7414                                 if (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT)
7415                                         RSurf_DrawBatch_GL11_VertexShade(texturenumsurfaces, texturesurfacelist, 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);
7416                                 else
7417                                         RSurf_DrawBatch_GL11_VertexColor(texturenumsurfaces, texturesurfacelist, 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);
7418                         }
7419                         break;
7420                 case TEXTURELAYERTYPE_TEXTURE:
7421                         // singletexture unlit texture with transparency support
7422                         memset(&m, 0, sizeof(m));
7423                         m.tex[0] = R_GetTexture(layer->texture);
7424                         m.texmatrix[0] = layer->texmatrix;
7425                         m.pointer_texcoord[0] = rsurface.texcoordtexture2f;
7426                         m.pointer_texcoord_bufferobject[0] = rsurface.texcoordtexture2f_bufferobject;
7427                         m.pointer_texcoord_bufferoffset[0] = rsurface.texcoordtexture2f_bufferoffset;
7428                         R_Mesh_TextureState(&m);
7429                         RSurf_DrawBatch_GL11_Unlit(texturenumsurfaces, texturesurfacelist, 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);
7430                         break;
7431                 case TEXTURELAYERTYPE_FOG:
7432                         // singletexture fogging
7433                         R_Mesh_ColorPointer(rsurface.array_color4f, 0, 0);
7434                         if (layer->texture)
7435                         {
7436                                 memset(&m, 0, sizeof(m));
7437                                 m.tex[0] = R_GetTexture(layer->texture);
7438                                 m.texmatrix[0] = layer->texmatrix;
7439                                 m.pointer_texcoord[0] = rsurface.texcoordtexture2f;
7440                                 m.pointer_texcoord_bufferobject[0] = rsurface.texcoordtexture2f_bufferobject;
7441                                 m.pointer_texcoord_bufferoffset[0] = rsurface.texcoordtexture2f_bufferoffset;
7442                                 R_Mesh_TextureState(&m);
7443                         }
7444                         else
7445                                 R_Mesh_ResetTextureState();
7446                         // generate a color array for the fog pass
7447                         for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
7448                         {
7449                                 int i;
7450                                 float f;
7451                                 const float *v;
7452                                 float *c;
7453                                 const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
7454                                 for (i = 0, v = (rsurface.vertex3f + 3 * surface->num_firstvertex), c = (rsurface.array_color4f + 4 * surface->num_firstvertex);i < surface->num_vertices;i++, v += 3, c += 4)
7455                                 {
7456                                         f = 1 - RSurf_FogVertex(v);
7457                                         c[0] = layer->color[0];
7458                                         c[1] = layer->color[1];
7459                                         c[2] = layer->color[2];
7460                                         c[3] = f * layer->color[3];
7461                                 }
7462                         }
7463                         RSurf_DrawBatch_Simple(texturenumsurfaces, texturesurfacelist);
7464                         break;
7465                 default:
7466                         Con_Printf("R_DrawTextureSurfaceList: unknown layer type %i\n", layer->type);
7467                 }
7468                 GL_LockArrays(0, 0);
7469         }
7470         CHECKGLERROR
7471         if (rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST)
7472         {
7473                 qglDepthFunc(GL_LEQUAL);CHECKGLERROR
7474                 GL_AlphaTest(false);
7475         }
7476 }
7477
7478 static void R_DrawTextureSurfaceList_ShowSurfaces3(int texturenumsurfaces, const msurface_t **texturesurfacelist, qboolean writedepth)
7479 {
7480         float c[4];
7481
7482         GL_AlphaTest(false);
7483         R_Mesh_ColorPointer(NULL, 0, 0);
7484         R_Mesh_ResetTextureState();
7485         R_SetupGenericShader(false);
7486
7487         if(rsurface.texture && rsurface.texture->currentskinframe)
7488         {
7489                 memcpy(c, rsurface.texture->currentskinframe->avgcolor, sizeof(c));
7490                 c[3] *= rsurface.texture->currentalpha;
7491         }
7492         else
7493         {
7494                 c[0] = 1;
7495                 c[1] = 0;
7496                 c[2] = 1;
7497                 c[3] = 1;
7498         }
7499
7500         if (rsurface.texture->currentskinframe->pants || rsurface.texture->currentskinframe->shirt)
7501         {
7502                 c[0] = 0.5 * (rsurface.colormap_pantscolor[0] * 0.3 + rsurface.colormap_shirtcolor[0] * 0.7);
7503                 c[1] = 0.5 * (rsurface.colormap_pantscolor[1] * 0.3 + rsurface.colormap_shirtcolor[1] * 0.7);
7504                 c[2] = 0.5 * (rsurface.colormap_pantscolor[2] * 0.3 + rsurface.colormap_shirtcolor[2] * 0.7);
7505         }
7506
7507         // brighten it up (as texture value 127 means "unlit")
7508         c[0] *= 2 * r_refdef.view.colorscale;
7509         c[1] *= 2 * r_refdef.view.colorscale;
7510         c[2] *= 2 * r_refdef.view.colorscale;
7511
7512         if(rsurface.texture->currentmaterialflags & MATERIALFLAG_WATERALPHA)
7513                 c[3] *= r_wateralpha.value;
7514
7515         if(rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHA && c[3] != 1)
7516         {
7517                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
7518                 GL_DepthMask(false);
7519         }
7520         else if(rsurface.texture->currentmaterialflags & MATERIALFLAG_ADD)
7521         {
7522                 GL_BlendFunc(GL_ONE, GL_ONE);
7523                 GL_DepthMask(false);
7524         }
7525         else if(rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST)
7526         {
7527                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); // can't do alpha test without texture, so let's blend instead
7528                 GL_DepthMask(false);
7529         }
7530         else if(rsurface.texture->currentmaterialflags & MATERIALFLAG_CUSTOMBLEND)
7531         {
7532                 GL_BlendFunc(rsurface.texture->customblendfunc[0], rsurface.texture->customblendfunc[1]);
7533                 GL_DepthMask(false);
7534         }
7535         else
7536         {
7537                 GL_BlendFunc(GL_ONE, GL_ZERO);
7538                 GL_DepthMask(writedepth);
7539         }
7540
7541         rsurface.lightmapcolor4f = NULL;
7542
7543         if (rsurface.texture->currentmaterialflags & MATERIALFLAG_FULLBRIGHT)
7544         {
7545                 RSurf_PrepareVerticesForBatch(false, false, texturenumsurfaces, texturesurfacelist);
7546
7547                 rsurface.lightmapcolor4f = NULL;
7548                 rsurface.lightmapcolor4f_bufferobject = 0;
7549                 rsurface.lightmapcolor4f_bufferoffset = 0;
7550         }
7551         else if (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT)
7552         {
7553                 qboolean applycolor = true;
7554                 float one = 1.0;
7555
7556                 RSurf_PrepareVerticesForBatch(true, false, texturenumsurfaces, texturesurfacelist);
7557
7558                 r_refdef.lightmapintensity = 1;
7559                 RSurf_DrawBatch_GL11_ApplyVertexShade(texturenumsurfaces, texturesurfacelist, &one, &one, &one, &one, &applycolor);
7560                 r_refdef.lightmapintensity = 0; // we're in showsurfaces, after all
7561         }
7562         else
7563         {
7564                 RSurf_PrepareVerticesForBatch(false, false, texturenumsurfaces, texturesurfacelist);
7565
7566                 rsurface.lightmapcolor4f = rsurface.modellightmapcolor4f;
7567                 rsurface.lightmapcolor4f_bufferobject = rsurface.modellightmapcolor4f_bufferobject;
7568                 rsurface.lightmapcolor4f_bufferoffset = rsurface.modellightmapcolor4f_bufferoffset;
7569         }
7570
7571         if(!rsurface.lightmapcolor4f)
7572                 RSurf_DrawBatch_GL11_MakeFullbrightLightmapColorArray(texturenumsurfaces, texturesurfacelist);
7573
7574         RSurf_DrawBatch_GL11_ApplyAmbient(texturenumsurfaces, texturesurfacelist);
7575         RSurf_DrawBatch_GL11_ApplyColor(texturenumsurfaces, texturesurfacelist, c[0], c[1], c[2], c[3]);
7576         if(r_refdef.fogenabled)
7577                 RSurf_DrawBatch_GL11_ApplyFogToFinishedVertexColors(texturenumsurfaces, texturesurfacelist);
7578
7579         R_Mesh_ColorPointer(rsurface.lightmapcolor4f, rsurface.lightmapcolor4f_bufferobject, rsurface.lightmapcolor4f_bufferoffset);
7580         RSurf_DrawBatch_Simple(texturenumsurfaces, texturesurfacelist);
7581 }
7582
7583 static void R_DrawWorldTextureSurfaceList(int texturenumsurfaces, const msurface_t **texturesurfacelist, qboolean writedepth)
7584 {
7585         CHECKGLERROR
7586         RSurf_SetupDepthAndCulling();
7587         if (r_showsurfaces.integer == 3)
7588                 R_DrawTextureSurfaceList_ShowSurfaces3(texturenumsurfaces, texturesurfacelist, writedepth);
7589         else if (r_glsl.integer && gl_support_fragment_shader)
7590                 R_DrawTextureSurfaceList_GL20(texturenumsurfaces, texturesurfacelist, writedepth);
7591         else if (gl_combine.integer && r_textureunits.integer >= 2)
7592                 R_DrawTextureSurfaceList_GL13(texturenumsurfaces, texturesurfacelist, writedepth);
7593         else
7594                 R_DrawTextureSurfaceList_GL11(texturenumsurfaces, texturesurfacelist, writedepth);
7595         CHECKGLERROR
7596 }
7597
7598 static void R_DrawModelTextureSurfaceList(int texturenumsurfaces, const msurface_t **texturesurfacelist, qboolean writedepth)
7599 {
7600         CHECKGLERROR
7601         RSurf_SetupDepthAndCulling();
7602         if (r_showsurfaces.integer == 3)
7603                 R_DrawTextureSurfaceList_ShowSurfaces3(texturenumsurfaces, texturesurfacelist, writedepth);
7604         else if (r_glsl.integer && gl_support_fragment_shader)
7605                 R_DrawTextureSurfaceList_GL20(texturenumsurfaces, texturesurfacelist, writedepth);
7606         else if (gl_combine.integer && r_textureunits.integer >= 2)
7607                 R_DrawTextureSurfaceList_GL13(texturenumsurfaces, texturesurfacelist, writedepth);
7608         else
7609                 R_DrawTextureSurfaceList_GL11(texturenumsurfaces, texturesurfacelist, writedepth);
7610         CHECKGLERROR
7611 }
7612
7613 static void R_DrawSurface_TransparentCallback(const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist)
7614 {
7615         int i, j;
7616         int texturenumsurfaces, endsurface;
7617         texture_t *texture;
7618         const msurface_t *surface;
7619         const msurface_t *texturesurfacelist[1024];
7620
7621         // if the model is static it doesn't matter what value we give for
7622         // wantnormals and wanttangents, so this logic uses only rules applicable
7623         // to a model, knowing that they are meaningless otherwise
7624         if (ent == r_refdef.scene.worldentity)
7625                 RSurf_ActiveWorldEntity();
7626         else if (r_showsurfaces.integer && r_showsurfaces.integer != 3)
7627                 RSurf_ActiveModelEntity(ent, false, false);
7628         else
7629                 RSurf_ActiveModelEntity(ent, true, r_glsl.integer && gl_support_fragment_shader);
7630
7631         for (i = 0;i < numsurfaces;i = j)
7632         {
7633                 j = i + 1;
7634                 surface = rsurface.modelsurfaces + surfacelist[i];
7635                 texture = surface->texture;
7636                 rsurface.texture = R_GetCurrentTexture(texture);
7637                 rsurface.uselightmaptexture = surface->lightmaptexture != NULL;
7638                 // scan ahead until we find a different texture
7639                 endsurface = min(i + 1024, numsurfaces);
7640                 texturenumsurfaces = 0;
7641                 texturesurfacelist[texturenumsurfaces++] = surface;
7642                 for (;j < endsurface;j++)
7643                 {
7644                         surface = rsurface.modelsurfaces + surfacelist[j];
7645                         if (texture != surface->texture || rsurface.uselightmaptexture != (surface->lightmaptexture != NULL))
7646                                 break;
7647                         texturesurfacelist[texturenumsurfaces++] = surface;
7648                 }
7649                 // render the range of surfaces
7650                 if (ent == r_refdef.scene.worldentity)
7651                         R_DrawWorldTextureSurfaceList(texturenumsurfaces, texturesurfacelist, false);
7652                 else
7653                         R_DrawModelTextureSurfaceList(texturenumsurfaces, texturesurfacelist, false);
7654         }
7655         rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity
7656         GL_AlphaTest(false);
7657 }
7658
7659 static void R_ProcessWorldTextureSurfaceList(int texturenumsurfaces, const msurface_t **texturesurfacelist, qboolean writedepth, qboolean depthonly)
7660 {
7661         const entity_render_t *queueentity = r_refdef.scene.worldentity;
7662         CHECKGLERROR
7663         if (depthonly)
7664         {
7665                 if ((rsurface.texture->currentmaterialflags & (MATERIALFLAG_NODEPTHTEST | MATERIALFLAG_BLENDED | MATERIALFLAG_ALPHATEST)))
7666                         return;
7667                 if (r_waterstate.renderingscene && (rsurface.texture->currentmaterialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFLECTION)))
7668                         return;
7669                 RSurf_SetupDepthAndCulling();
7670                 RSurf_PrepareVerticesForBatch(false, false, texturenumsurfaces, texturesurfacelist);
7671                 RSurf_DrawBatch_Simple(texturenumsurfaces, texturesurfacelist);
7672         }
7673         else if (r_showsurfaces.integer && !r_refdef.view.showdebug)
7674         {
7675                 RSurf_SetupDepthAndCulling();
7676                 GL_AlphaTest(false);
7677                 R_Mesh_ColorPointer(NULL, 0, 0);
7678                 R_Mesh_ResetTextureState();
7679                 R_SetupGenericShader(false);
7680                 RSurf_PrepareVerticesForBatch(false, false, texturenumsurfaces, texturesurfacelist);
7681                 GL_DepthMask(true);
7682                 GL_BlendFunc(GL_ONE, GL_ZERO);
7683                 GL_Color(0, 0, 0, 1);
7684                 GL_DepthTest(writedepth);
7685                 RSurf_DrawBatch_Simple(texturenumsurfaces, texturesurfacelist);
7686         }
7687         else if (r_showsurfaces.integer && r_showsurfaces.integer != 3)
7688         {
7689                 RSurf_SetupDepthAndCulling();
7690                 GL_AlphaTest(false);
7691                 R_Mesh_ColorPointer(NULL, 0, 0);
7692                 R_Mesh_ResetTextureState();
7693                 R_SetupGenericShader(false);
7694                 RSurf_PrepareVerticesForBatch(false, false, texturenumsurfaces, texturesurfacelist);
7695                 GL_DepthMask(true);
7696                 GL_BlendFunc(GL_ONE, GL_ZERO);
7697                 GL_DepthTest(true);
7698                 RSurf_DrawBatch_ShowSurfaces(texturenumsurfaces, texturesurfacelist);
7699         }
7700         else if (rsurface.texture->currentmaterialflags & MATERIALFLAG_SKY)
7701                 R_DrawTextureSurfaceList_Sky(texturenumsurfaces, texturesurfacelist);
7702         else if (!rsurface.texture->currentnumlayers)
7703                 return;
7704         else if (((rsurface.texture->currentmaterialflags & MATERIALFLAGMASK_DEPTHSORTED) || (r_showsurfaces.integer == 3 && (rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST))) && queueentity)
7705         {
7706                 // transparent surfaces get pushed off into the transparent queue
7707                 int surfacelistindex;
7708                 const msurface_t *surface;
7709                 vec3_t tempcenter, center;
7710                 for (surfacelistindex = 0;surfacelistindex < texturenumsurfaces;surfacelistindex++)
7711                 {
7712                         surface = texturesurfacelist[surfacelistindex];
7713                         tempcenter[0] = (surface->mins[0] + surface->maxs[0]) * 0.5f;
7714                         tempcenter[1] = (surface->mins[1] + surface->maxs[1]) * 0.5f;
7715                         tempcenter[2] = (surface->mins[2] + surface->maxs[2]) * 0.5f;
7716                         Matrix4x4_Transform(&rsurface.matrix, tempcenter, center);
7717                         R_MeshQueue_AddTransparent(rsurface.texture->currentmaterialflags & MATERIALFLAG_NODEPTHTEST ? r_refdef.view.origin : center, R_DrawSurface_TransparentCallback, queueentity, surface - rsurface.modelsurfaces, rsurface.rtlight);
7718                 }
7719         }
7720         else
7721         {
7722                 // the alphatest check is to make sure we write depth for anything we skipped on the depth-only pass earlier
7723                 R_DrawWorldTextureSurfaceList(texturenumsurfaces, texturesurfacelist, writedepth || (rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST));
7724         }
7725         CHECKGLERROR
7726 }
7727
7728 void R_QueueWorldSurfaceList(int numsurfaces, const msurface_t **surfacelist, int flagsmask, qboolean writedepth, qboolean depthonly)
7729 {
7730         int i, j;
7731         texture_t *texture;
7732         // break the surface list down into batches by texture and use of lightmapping
7733         for (i = 0;i < numsurfaces;i = j)
7734         {
7735                 j = i + 1;
7736                 // texture is the base texture pointer, rsurface.texture is the
7737                 // current frame/skin the texture is directing us to use (for example
7738                 // if a model has 2 skins and it is on skin 1, then skin 0 tells us to
7739                 // use skin 1 instead)
7740                 texture = surfacelist[i]->texture;
7741                 rsurface.texture = R_GetCurrentTexture(texture);
7742                 rsurface.uselightmaptexture = surfacelist[i]->lightmaptexture != NULL;
7743                 if (!(rsurface.texture->currentmaterialflags & flagsmask) || (rsurface.texture->currentmaterialflags & MATERIALFLAG_NODRAW))
7744                 {
7745                         // if this texture is not the kind we want, skip ahead to the next one
7746                         for (;j < numsurfaces && texture == surfacelist[j]->texture;j++)
7747                                 ;
7748                         continue;
7749                 }
7750                 // simply scan ahead until we find a different texture or lightmap state
7751                 for (;j < numsurfaces && texture == surfacelist[j]->texture && rsurface.uselightmaptexture == (surfacelist[j]->lightmaptexture != NULL);j++)
7752                         ;
7753                 // render the range of surfaces
7754                 R_ProcessWorldTextureSurfaceList(j - i, surfacelist + i, writedepth, depthonly);
7755         }
7756 }
7757
7758 static void R_ProcessModelTextureSurfaceList(int texturenumsurfaces, const msurface_t **texturesurfacelist, qboolean writedepth, qboolean depthonly, const entity_render_t *queueentity)
7759 {
7760         CHECKGLERROR
7761         if (depthonly)
7762         {
7763                 if ((rsurface.texture->currentmaterialflags & (MATERIALFLAG_NODEPTHTEST | MATERIALFLAG_BLENDED | MATERIALFLAG_ALPHATEST)))
7764                         return;
7765                 if (r_waterstate.renderingscene && (rsurface.texture->currentmaterialflags & (MATERIALFLAG_WATERSHADER | MATERIALFLAG_REFLECTION)))
7766                         return;
7767                 RSurf_SetupDepthAndCulling();
7768                 RSurf_PrepareVerticesForBatch(false, false, texturenumsurfaces, texturesurfacelist);
7769                 RSurf_DrawBatch_Simple(texturenumsurfaces, texturesurfacelist);
7770         }
7771         else if (r_showsurfaces.integer && !r_refdef.view.showdebug)
7772         {
7773                 RSurf_SetupDepthAndCulling();
7774                 GL_AlphaTest(false);
7775                 R_Mesh_ColorPointer(NULL, 0, 0);
7776                 R_Mesh_ResetTextureState();
7777                 R_SetupGenericShader(false);
7778                 RSurf_PrepareVerticesForBatch(false, false, texturenumsurfaces, texturesurfacelist);
7779                 GL_DepthMask(true);
7780                 GL_BlendFunc(GL_ONE, GL_ZERO);
7781                 GL_Color(0, 0, 0, 1);
7782                 GL_DepthTest(writedepth);
7783                 RSurf_DrawBatch_Simple(texturenumsurfaces, texturesurfacelist);
7784         }
7785         else if (r_showsurfaces.integer && r_showsurfaces.integer != 3)
7786         {
7787                 RSurf_SetupDepthAndCulling();
7788                 GL_AlphaTest(false);
7789                 R_Mesh_ColorPointer(NULL, 0, 0);
7790                 R_Mesh_ResetTextureState();
7791                 R_SetupGenericShader(false);
7792                 RSurf_PrepareVerticesForBatch(false, false, texturenumsurfaces, texturesurfacelist);
7793                 GL_DepthMask(true);
7794                 GL_BlendFunc(GL_ONE, GL_ZERO);
7795                 GL_DepthTest(true);
7796                 RSurf_DrawBatch_ShowSurfaces(texturenumsurfaces, texturesurfacelist);
7797         }
7798         else if (rsurface.texture->currentmaterialflags & MATERIALFLAG_SKY)
7799                 R_DrawTextureSurfaceList_Sky(texturenumsurfaces, texturesurfacelist);
7800         else if (!rsurface.texture->currentnumlayers)
7801                 return;
7802         else if (((rsurface.texture->currentmaterialflags & MATERIALFLAGMASK_DEPTHSORTED) || (r_showsurfaces.integer == 3 && (rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST))) && queueentity)
7803         {
7804                 // transparent surfaces get pushed off into the transparent queue
7805                 int surfacelistindex;
7806                 const msurface_t *surface;
7807                 vec3_t tempcenter, center;
7808                 for (surfacelistindex = 0;surfacelistindex < texturenumsurfaces;surfacelistindex++)
7809                 {
7810                         surface = texturesurfacelist[surfacelistindex];
7811                         tempcenter[0] = (surface->mins[0] + surface->maxs[0]) * 0.5f;
7812                         tempcenter[1] = (surface->mins[1] + surface->maxs[1]) * 0.5f;
7813                         tempcenter[2] = (surface->mins[2] + surface->maxs[2]) * 0.5f;
7814                         Matrix4x4_Transform(&rsurface.matrix, tempcenter, center);
7815                         if (queueentity->transparent_offset) // transparent offset
7816                         {
7817                                 center[0] += r_refdef.view.forward[0]*queueentity->transparent_offset;
7818                                 center[1] += r_refdef.view.forward[1]*queueentity->transparent_offset;
7819                                 center[2] += r_refdef.view.forward[2]*queueentity->transparent_offset;
7820                         }
7821                         R_MeshQueue_AddTransparent(rsurface.texture->currentmaterialflags & MATERIALFLAG_NODEPTHTEST ? r_refdef.view.origin : center, R_DrawSurface_TransparentCallback, queueentity, surface - rsurface.modelsurfaces, rsurface.rtlight);
7822                 }
7823         }
7824         else
7825         {
7826                 // the alphatest check is to make sure we write depth for anything we skipped on the depth-only pass earlier
7827                 R_DrawModelTextureSurfaceList(texturenumsurfaces, texturesurfacelist, writedepth || (rsurface.texture->currentmaterialflags & MATERIALFLAG_ALPHATEST));
7828         }
7829         CHECKGLERROR
7830 }
7831
7832 void R_QueueModelSurfaceList(entity_render_t *ent, int numsurfaces, const msurface_t **surfacelist, int flagsmask, qboolean writedepth, qboolean depthonly)
7833 {
7834         int i, j;
7835         texture_t *texture;
7836         // break the surface list down into batches by texture and use of lightmapping
7837         for (i = 0;i < numsurfaces;i = j)
7838         {
7839                 j = i + 1;
7840                 // texture is the base texture pointer, rsurface.texture is the
7841                 // current frame/skin the texture is directing us to use (for example
7842                 // if a model has 2 skins and it is on skin 1, then skin 0 tells us to
7843                 // use skin 1 instead)
7844                 texture = surfacelist[i]->texture;
7845                 rsurface.texture = R_GetCurrentTexture(texture);
7846                 rsurface.uselightmaptexture = surfacelist[i]->lightmaptexture != NULL;
7847                 if (!(rsurface.texture->currentmaterialflags & flagsmask) || (rsurface.texture->currentmaterialflags & MATERIALFLAG_NODRAW))
7848                 {
7849                         // if this texture is not the kind we want, skip ahead to the next one
7850                         for (;j < numsurfaces && texture == surfacelist[j]->texture;j++)
7851                                 ;
7852                         continue;
7853                 }
7854                 // simply scan ahead until we find a different texture or lightmap state
7855                 for (;j < numsurfaces && texture == surfacelist[j]->texture && rsurface.uselightmaptexture == (surfacelist[j]->lightmaptexture != NULL);j++)
7856                         ;
7857                 // render the range of surfaces
7858                 R_ProcessModelTextureSurfaceList(j - i, surfacelist + i, writedepth, depthonly, ent);
7859         }
7860 }
7861
7862 float locboxvertex3f[6*4*3] =
7863 {
7864         1,0,1, 1,0,0, 1,1,0, 1,1,1,
7865         0,1,1, 0,1,0, 0,0,0, 0,0,1,
7866         1,1,1, 1,1,0, 0,1,0, 0,1,1,
7867         0,0,1, 0,0,0, 1,0,0, 1,0,1,
7868         0,0,1, 1,0,1, 1,1,1, 0,1,1,
7869         1,0,0, 0,0,0, 0,1,0, 1,1,0
7870 };
7871
7872 unsigned short locboxelements[6*2*3] =
7873 {
7874          0, 1, 2, 0, 2, 3,
7875          4, 5, 6, 4, 6, 7,
7876          8, 9,10, 8,10,11,
7877         12,13,14, 12,14,15,
7878         16,17,18, 16,18,19,
7879         20,21,22, 20,22,23
7880 };
7881
7882 void R_DrawLoc_Callback(const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist)
7883 {
7884         int i, j;
7885         cl_locnode_t *loc = (cl_locnode_t *)ent;
7886         vec3_t mins, size;
7887         float vertex3f[6*4*3];
7888         CHECKGLERROR
7889         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
7890         GL_DepthMask(false);
7891         GL_DepthRange(0, 1);
7892         GL_PolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);
7893         GL_DepthTest(true);
7894         GL_CullFace(GL_NONE);
7895         R_Mesh_Matrix(&identitymatrix);
7896
7897         R_Mesh_VertexPointer(vertex3f, 0, 0);
7898         R_Mesh_ColorPointer(NULL, 0, 0);
7899         R_Mesh_ResetTextureState();
7900         R_SetupGenericShader(false);
7901
7902         i = surfacelist[0];
7903         GL_Color(((i & 0x0007) >> 0) * (1.0f / 7.0f) * r_refdef.view.colorscale,
7904                          ((i & 0x0038) >> 3) * (1.0f / 7.0f) * r_refdef.view.colorscale,
7905                          ((i & 0x01C0) >> 6) * (1.0f / 7.0f) * r_refdef.view.colorscale,
7906                         surfacelist[0] < 0 ? 0.5f : 0.125f);
7907
7908         if (VectorCompare(loc->mins, loc->maxs))
7909         {
7910                 VectorSet(size, 2, 2, 2);
7911                 VectorMA(loc->mins, -0.5f, size, mins);
7912         }
7913         else
7914         {
7915                 VectorCopy(loc->mins, mins);
7916                 VectorSubtract(loc->maxs, loc->mins, size);
7917         }
7918
7919         for (i = 0;i < 6*4*3;)
7920                 for (j = 0;j < 3;j++, i++)
7921                         vertex3f[i] = mins[j] + size[j] * locboxvertex3f[i];
7922
7923         R_Mesh_Draw(0, 6*4, 0, 6*2, NULL, locboxelements, 0, 0);
7924 }
7925
7926 void R_DrawLocs(void)
7927 {
7928         int index;
7929         cl_locnode_t *loc, *nearestloc;
7930         vec3_t center;
7931         nearestloc = CL_Locs_FindNearest(cl.movement_origin);
7932         for (loc = cl.locnodes, index = 0;loc;loc = loc->next, index++)
7933         {
7934                 VectorLerp(loc->mins, 0.5f, loc->maxs, center);
7935                 R_MeshQueue_AddTransparent(center, R_DrawLoc_Callback, (entity_render_t *)loc, loc == nearestloc ? -1 : index, NULL);
7936         }
7937 }
7938
7939 void R_DrawDebugModel(entity_render_t *ent)
7940 {
7941         int i, j, k, l, flagsmask;
7942         const int *elements;
7943         q3mbrush_t *brush;
7944         const msurface_t *surface;
7945         dp_model_t *model = ent->model;
7946         vec3_t v;
7947
7948         flagsmask = MATERIALFLAG_SKY | MATERIALFLAG_WALL;
7949
7950         R_Mesh_ColorPointer(NULL, 0, 0);
7951         R_Mesh_ResetTextureState();
7952         R_SetupGenericShader(false);
7953         GL_DepthRange(0, 1);
7954         GL_DepthTest(!r_showdisabledepthtest.integer);
7955         GL_DepthMask(false);
7956         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
7957
7958         if (r_showcollisionbrushes.value > 0 && model->brush.num_brushes)
7959         {
7960                 GL_PolygonOffset(r_refdef.polygonfactor + r_showcollisionbrushes_polygonfactor.value, r_refdef.polygonoffset + r_showcollisionbrushes_polygonoffset.value);
7961                 for (i = 0, brush = model->brush.data_brushes + model->firstmodelbrush;i < model->nummodelbrushes;i++, brush++)
7962                 {
7963                         if (brush->colbrushf && brush->colbrushf->numtriangles)
7964                         {
7965                                 R_Mesh_VertexPointer(brush->colbrushf->points->v, 0, 0);
7966                                 GL_Color((i & 31) * (1.0f / 32.0f) * r_refdef.view.colorscale, ((i >> 5) & 31) * (1.0f / 32.0f) * r_refdef.view.colorscale, ((i >> 10) & 31) * (1.0f / 32.0f) * r_refdef.view.colorscale, r_showcollisionbrushes.value);
7967                                 R_Mesh_Draw(0, brush->colbrushf->numpoints, 0, brush->colbrushf->numtriangles, brush->colbrushf->elements, NULL, 0, 0);
7968                         }
7969                 }
7970                 for (i = 0, surface = model->data_surfaces + model->firstmodelsurface;i < model->nummodelsurfaces;i++, surface++)
7971                 {
7972                         if (surface->num_collisiontriangles)
7973                         {
7974                                 R_Mesh_VertexPointer(surface->data_collisionvertex3f, 0, 0);
7975                                 GL_Color((i & 31) * (1.0f / 32.0f) * r_refdef.view.colorscale, ((i >> 5) & 31) * (1.0f / 32.0f) * r_refdef.view.colorscale, ((i >> 10) & 31) * (1.0f / 32.0f) * r_refdef.view.colorscale, r_showcollisionbrushes.value);
7976                                 R_Mesh_Draw(0, surface->num_collisionvertices, 0, surface->num_collisiontriangles, surface->data_collisionelement3i, NULL, 0, 0);
7977                         }
7978                 }
7979         }
7980
7981         GL_PolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);
7982
7983         if (r_showtris.integer || r_shownormals.integer)
7984         {
7985                 if (r_showdisabledepthtest.integer)
7986                 {
7987                         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
7988                         GL_DepthMask(false);
7989                 }
7990                 else
7991                 {
7992                         GL_BlendFunc(GL_ONE, GL_ZERO);
7993                         GL_DepthMask(true);
7994                 }
7995                 for (i = 0, j = model->firstmodelsurface, surface = model->data_surfaces + j;i < model->nummodelsurfaces;i++, j++, surface++)
7996                 {
7997                         if (ent == r_refdef.scene.worldentity && !r_refdef.viewcache.world_surfacevisible[j])
7998                                 continue;
7999                         rsurface.texture = R_GetCurrentTexture(surface->texture);
8000                         if ((rsurface.texture->currentmaterialflags & flagsmask) && surface->num_triangles)
8001                         {
8002                                 RSurf_PrepareVerticesForBatch(true, true, 1, &surface);
8003                                 if (r_showtris.value > 0)
8004                                 {
8005                                         if (!rsurface.texture->currentlayers->depthmask)
8006                                                 GL_Color(r_refdef.view.colorscale, 0, 0, r_showtris.value);
8007                                         else if (ent == r_refdef.scene.worldentity)
8008                                                 GL_Color(r_refdef.view.colorscale, r_refdef.view.colorscale, r_refdef.view.colorscale, r_showtris.value);
8009                                         else
8010                                                 GL_Color(0, r_refdef.view.colorscale, 0, r_showtris.value);
8011                                         elements = (model->surfmesh.data_element3i + 3 * surface->num_firsttriangle);
8012                                         R_Mesh_VertexPointer(rsurface.vertex3f, 0, 0);
8013                                         R_Mesh_ColorPointer(NULL, 0, 0);
8014                                         R_Mesh_TexCoordPointer(0, 0, NULL, 0, 0);
8015                                         qglPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
8016                                         //R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_firsttriangle, surface->num_triangles, model->surfmesh.data_element3i, NULL, 0, 0);
8017                                         R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_firsttriangle, surface->num_triangles, rsurface.modelelement3i, rsurface.modelelement3s, rsurface.modelelement3i_bufferobject, rsurface.modelelement3s_bufferobject);
8018                                         qglPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
8019                                         CHECKGLERROR
8020                                 }
8021                                 if (r_shownormals.value < 0)
8022                                 {
8023                                         qglBegin(GL_LINES);
8024                                         for (k = 0, l = surface->num_firstvertex;k < surface->num_vertices;k++, l++)
8025                                         {
8026                                                 VectorCopy(rsurface.vertex3f + l * 3, v);
8027                                                 GL_Color(r_refdef.view.colorscale, 0, 0, 1);
8028                                                 qglVertex3f(v[0], v[1], v[2]);
8029                                                 VectorMA(v, -r_shownormals.value, rsurface.svector3f + l * 3, v);
8030                                                 GL_Color(r_refdef.view.colorscale, 1, 1, 1);
8031                                                 qglVertex3f(v[0], v[1], v[2]);
8032                                         }
8033                                         qglEnd();
8034                                         CHECKGLERROR
8035                                 }
8036                                 if (r_shownormals.value > 0)
8037                                 {
8038                                         qglBegin(GL_LINES);
8039                                         for (k = 0, l = surface->num_firstvertex;k < surface->num_vertices;k++, l++)
8040                                         {
8041                                                 VectorCopy(rsurface.vertex3f + l * 3, v);
8042                                                 GL_Color(r_refdef.view.colorscale, 0, 0, 1);
8043                                                 qglVertex3f(v[0], v[1], v[2]);
8044                                                 VectorMA(v, r_shownormals.value, rsurface.svector3f + l * 3, v);
8045                                                 GL_Color(r_refdef.view.colorscale, 1, 1, 1);
8046                                                 qglVertex3f(v[0], v[1], v[2]);
8047                                         }
8048                                         qglEnd();
8049                                         CHECKGLERROR
8050                                         qglBegin(GL_LINES);
8051                                         for (k = 0, l = surface->num_firstvertex;k < surface->num_vertices;k++, l++)
8052                                         {
8053                                                 VectorCopy(rsurface.vertex3f + l * 3, v);
8054                                                 GL_Color(0, r_refdef.view.colorscale, 0, 1);
8055                                                 qglVertex3f(v[0], v[1], v[2]);
8056                                                 VectorMA(v, r_shownormals.value, rsurface.tvector3f + l * 3, v);
8057                                                 GL_Color(r_refdef.view.colorscale, 1, 1, 1);
8058                                                 qglVertex3f(v[0], v[1], v[2]);
8059                                         }
8060                                         qglEnd();
8061                                         CHECKGLERROR
8062                                         qglBegin(GL_LINES);
8063                                         for (k = 0, l = surface->num_firstvertex;k < surface->num_vertices;k++, l++)
8064                                         {
8065                                                 VectorCopy(rsurface.vertex3f + l * 3, v);
8066                                                 GL_Color(0, 0, r_refdef.view.colorscale, 1);
8067                                                 qglVertex3f(v[0], v[1], v[2]);
8068                                                 VectorMA(v, r_shownormals.value, rsurface.normal3f + l * 3, v);
8069                                                 GL_Color(r_refdef.view.colorscale, 1, 1, 1);
8070                                                 qglVertex3f(v[0], v[1], v[2]);
8071                                         }
8072                                         qglEnd();
8073                                         CHECKGLERROR
8074                                 }
8075                         }
8076                 }
8077                 rsurface.texture = NULL;
8078         }
8079 }
8080
8081 extern void R_BuildLightMap(const entity_render_t *ent, msurface_t *surface);
8082 int r_maxsurfacelist = 0;
8083 const msurface_t **r_surfacelist = NULL;
8084 void R_DrawWorldSurfaces(qboolean skysurfaces, qboolean writedepth, qboolean depthonly, qboolean debug)
8085 {
8086         int i, j, endj, f, flagsmask;
8087         texture_t *t;
8088         dp_model_t *model = r_refdef.scene.worldmodel;
8089         msurface_t *surfaces;
8090         unsigned char *update;
8091         int numsurfacelist = 0;
8092         if (model == NULL)
8093                 return;
8094
8095         if (r_maxsurfacelist < model->num_surfaces)
8096         {
8097                 r_maxsurfacelist = model->num_surfaces;
8098                 if (r_surfacelist)
8099                         Mem_Free(r_surfacelist);
8100                 r_surfacelist = (const msurface_t **) Mem_Alloc(r_main_mempool, r_maxsurfacelist * sizeof(*r_surfacelist));
8101         }
8102
8103         RSurf_ActiveWorldEntity();
8104
8105         surfaces = model->data_surfaces;
8106         update = model->brushq1.lightmapupdateflags;
8107
8108         // update light styles on this submodel
8109         if (!skysurfaces && !depthonly && model->brushq1.num_lightstyles && r_refdef.lightmapintensity > 0)
8110         {
8111                 model_brush_lightstyleinfo_t *style;
8112                 for (i = 0, style = model->brushq1.data_lightstyleinfo;i < model->brushq1.num_lightstyles;i++, style++)
8113                 {
8114                         if (style->value != r_refdef.scene.lightstylevalue[style->style])
8115                         {
8116                                 int *list = style->surfacelist;
8117                                 style->value = r_refdef.scene.lightstylevalue[style->style];
8118                                 for (j = 0;j < style->numsurfaces;j++)
8119                                         update[list[j]] = true;
8120                         }
8121                 }
8122         }
8123
8124         flagsmask = skysurfaces ? MATERIALFLAG_SKY : MATERIALFLAG_WALL;
8125
8126         if (debug)
8127         {
8128                 R_DrawDebugModel(r_refdef.scene.worldentity);
8129                 rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity
8130                 return;
8131         }
8132
8133         f = 0;
8134         t = NULL;
8135         rsurface.uselightmaptexture = false;
8136         rsurface.texture = NULL;
8137         rsurface.rtlight = NULL;
8138         numsurfacelist = 0;
8139         // add visible surfaces to draw list
8140         for (i = 0;i < model->nummodelsurfaces;i++)
8141         {
8142                 j = model->sortedmodelsurfaces[i];
8143                 if (r_refdef.viewcache.world_surfacevisible[j])
8144                         r_surfacelist[numsurfacelist++] = surfaces + j;
8145         }
8146         // update lightmaps if needed
8147         if (update)
8148                 for (j = model->firstmodelsurface, endj = model->firstmodelsurface + model->nummodelsurfaces;j < endj;j++)
8149                         if (r_refdef.viewcache.world_surfacevisible[j])
8150                                 if (update[j])
8151                                         R_BuildLightMap(r_refdef.scene.worldentity, surfaces + j);
8152         // don't do anything if there were no surfaces
8153         if (!numsurfacelist)
8154         {
8155                 rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity
8156                 return;
8157         }
8158         R_QueueWorldSurfaceList(numsurfacelist, r_surfacelist, flagsmask, writedepth, depthonly);
8159         GL_AlphaTest(false);
8160
8161         // add to stats if desired
8162         if (r_speeds.integer && !skysurfaces && !depthonly)
8163         {
8164                 r_refdef.stats.world_surfaces += numsurfacelist;
8165                 for (j = 0;j < numsurfacelist;j++)
8166                         r_refdef.stats.world_triangles += r_surfacelist[j]->num_triangles;
8167         }
8168         rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity
8169 }
8170
8171 void R_DrawModelSurfaces(entity_render_t *ent, qboolean skysurfaces, qboolean writedepth, qboolean depthonly, qboolean debug)
8172 {
8173         int i, j, endj, f, flagsmask;
8174         texture_t *t;
8175         dp_model_t *model = ent->model;
8176         msurface_t *surfaces;
8177         unsigned char *update;
8178         int numsurfacelist = 0;
8179         if (model == NULL)
8180                 return;
8181
8182         if (r_maxsurfacelist < model->num_surfaces)
8183         {
8184                 r_maxsurfacelist = model->num_surfaces;
8185                 if (r_surfacelist)
8186                         Mem_Free(r_surfacelist);
8187                 r_surfacelist = (const msurface_t **) Mem_Alloc(r_main_mempool, r_maxsurfacelist * sizeof(*r_surfacelist));
8188         }
8189
8190         // if the model is static it doesn't matter what value we give for
8191         // wantnormals and wanttangents, so this logic uses only rules applicable
8192         // to a model, knowing that they are meaningless otherwise
8193         if (ent == r_refdef.scene.worldentity)
8194                 RSurf_ActiveWorldEntity();
8195         else if (r_showsurfaces.integer && r_showsurfaces.integer != 3)
8196                 RSurf_ActiveModelEntity(ent, false, false);
8197         else
8198                 RSurf_ActiveModelEntity(ent, true, r_glsl.integer && gl_support_fragment_shader && !depthonly);
8199
8200         surfaces = model->data_surfaces;
8201         update = model->brushq1.lightmapupdateflags;
8202
8203         // update light styles
8204         if (!skysurfaces && !depthonly && model->brushq1.num_lightstyles && r_refdef.lightmapintensity > 0)
8205         {
8206                 model_brush_lightstyleinfo_t *style;
8207                 for (i = 0, style = model->brushq1.data_lightstyleinfo;i < model->brushq1.num_lightstyles;i++, style++)
8208                 {
8209                         if (style->value != r_refdef.scene.lightstylevalue[style->style])
8210                         {
8211                                 int *list = style->surfacelist;
8212                                 style->value = r_refdef.scene.lightstylevalue[style->style];
8213                                 for (j = 0;j < style->numsurfaces;j++)
8214                                         update[list[j]] = true;
8215                         }
8216                 }
8217         }
8218
8219         flagsmask = skysurfaces ? MATERIALFLAG_SKY : MATERIALFLAG_WALL;
8220
8221         if (debug)
8222         {
8223                 R_DrawDebugModel(ent);
8224                 rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity
8225                 return;
8226         }
8227
8228         f = 0;
8229         t = NULL;
8230         rsurface.uselightmaptexture = false;
8231         rsurface.texture = NULL;
8232         rsurface.rtlight = NULL;
8233         numsurfacelist = 0;
8234         // add visible surfaces to draw list
8235         for (i = 0;i < model->nummodelsurfaces;i++)
8236                 r_surfacelist[numsurfacelist++] = surfaces + model->sortedmodelsurfaces[i];
8237         // don't do anything if there were no surfaces
8238         if (!numsurfacelist)
8239         {
8240                 rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity
8241                 return;
8242         }
8243         // update lightmaps if needed
8244         if (update)
8245                 for (j = model->firstmodelsurface, endj = model->firstmodelsurface + model->nummodelsurfaces;j < endj;j++)
8246                         if (update[j])
8247                                 R_BuildLightMap(ent, surfaces + j);
8248         R_QueueModelSurfaceList(ent, numsurfacelist, r_surfacelist, flagsmask, writedepth, depthonly);
8249         GL_AlphaTest(false);
8250
8251         // add to stats if desired
8252         if (r_speeds.integer && !skysurfaces && !depthonly)
8253         {
8254                 r_refdef.stats.entities_surfaces += numsurfacelist;
8255                 for (j = 0;j < numsurfacelist;j++)
8256                         r_refdef.stats.entities_triangles += r_surfacelist[j]->num_triangles;
8257         }
8258         rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity
8259 }