2 Copyright (C) 1996-1997 Id Software, Inc.
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.
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.
13 See the GNU General Public License for more details.
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.
27 mempool_t *r_main_mempool;
28 rtexturepool_t *r_main_texturepool;
35 r_viewcache_t r_viewcache;
37 cvar_t r_depthfirst = {CVAR_SAVE, "r_depthfirst", "1", "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"};
38 cvar_t r_nearclip = {0, "r_nearclip", "1", "distance from camera of nearclip plane" };
39 cvar_t r_showbboxes = {0, "r_showbboxes", "0", "shows bounding boxes of server entities, value controls opacity scaling (1 = 10%, 10 = 100%)"};
40 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)"};
41 cvar_t r_showtris = {0, "r_showtris", "0", "shows triangle outlines, value controls brightness (can be above 1)"};
42 cvar_t r_shownormals = {0, "r_shownormals", "0", "shows per-vertex surface normals and tangent vectors for bumpmapped lighting"};
43 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"};
44 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"};
45 cvar_t r_showcollisionbrushes = {0, "r_showcollisionbrushes", "0", "draws collision brushes in quake3 maps (mode 1), mode 2 disables rendering of world (trippy!)"};
46 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"};
47 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"};
48 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"};
49 cvar_t r_drawportals = {0, "r_drawportals", "0", "shows portals (separating polygons) in world interior in quake1 maps"};
50 cvar_t r_drawentities = {0, "r_drawentities","1", "draw entities (doors, players, projectiles, etc)"};
51 cvar_t r_drawviewmodel = {0, "r_drawviewmodel","1", "draw your weapon model"};
52 cvar_t r_cullentities_trace = {0, "r_cullentities_trace", "1", "probabistically cull invisible entities"};
53 cvar_t r_cullentities_trace_samples = {0, "r_cullentities_trace_samples", "2", "number of samples to test for entity culling"};
54 cvar_t r_cullentities_trace_enlarge = {0, "r_cullentities_trace_enlarge", "0", "box enlargement for entity culling"};
55 cvar_t r_cullentities_trace_delay = {0, "r_cullentities_trace_delay", "1", "number of seconds until the entity gets actually culled"};
56 cvar_t r_speeds = {0, "r_speeds","0", "displays rendering statistics and per-subsystem timings"};
57 cvar_t r_fullbright = {0, "r_fullbright","0", "makes map very bright and renders faster"};
58 cvar_t r_wateralpha = {CVAR_SAVE, "r_wateralpha","1", "opacity of water polygons"};
59 cvar_t r_dynamic = {CVAR_SAVE, "r_dynamic","1", "enables dynamic lights (rocket glow and such)"};
60 cvar_t r_fullbrights = {CVAR_SAVE, "r_fullbrights", "1", "enables glowing pixels in quake textures (changes need r_restart to take effect)"};
61 cvar_t r_shadows = {CVAR_SAVE, "r_shadows", "0", "casts fake stencil shadows from models onto the world (rtlights are unaffected by this)"};
62 cvar_t r_shadows_throwdistance = {CVAR_SAVE, "r_shadows_throwdistance", "500", "how far to cast shadows from models"};
63 cvar_t r_q1bsp_skymasking = {0, "r_q1bsp_skymasking", "1", "allows sky polygons in quake1 maps to obscure other geometry"};
65 cvar_t gl_fogenable = {0, "gl_fogenable", "0", "nehahra fog enable (for Nehahra compatibility only)"};
66 cvar_t gl_fogdensity = {0, "gl_fogdensity", "0.25", "nehahra fog density (recommend values below 0.1) (for Nehahra compatibility only)"};
67 cvar_t gl_fogred = {0, "gl_fogred","0.3", "nehahra fog color red value (for Nehahra compatibility only)"};
68 cvar_t gl_foggreen = {0, "gl_foggreen","0.3", "nehahra fog color green value (for Nehahra compatibility only)"};
69 cvar_t gl_fogblue = {0, "gl_fogblue","0.3", "nehahra fog color blue value (for Nehahra compatibility only)"};
70 cvar_t gl_fogstart = {0, "gl_fogstart", "0", "nehahra fog start distance (for Nehahra compatibility only)"};
71 cvar_t gl_fogend = {0, "gl_fogend","0", "nehahra fog end distance (for Nehahra compatibility only)"};
73 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)"};
75 cvar_t r_glsl = {CVAR_SAVE, "r_glsl", "1", "enables use of OpenGL 2.0 pixel shaders for lighting"};
76 cvar_t r_glsl_offsetmapping = {CVAR_SAVE, "r_glsl_offsetmapping", "0", "offset mapping effect (also known as parallax mapping or virtual displacement mapping)"};
77 cvar_t r_glsl_offsetmapping_reliefmapping = {CVAR_SAVE, "r_glsl_offsetmapping_reliefmapping", "0", "relief mapping effect (higher quality)"};
78 cvar_t r_glsl_offsetmapping_scale = {CVAR_SAVE, "r_glsl_offsetmapping_scale", "0.04", "how deep the offset mapping effect is"};
79 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)"};
81 cvar_t r_lerpsprites = {CVAR_SAVE, "r_lerpsprites", "1", "enables animation smoothing on sprites (requires r_lerpmodels 1)"};
82 cvar_t r_lerpmodels = {CVAR_SAVE, "r_lerpmodels", "1", "enables animation smoothing on models"};
83 cvar_t r_waterscroll = {CVAR_SAVE, "r_waterscroll", "1", "makes water scroll around, value controls how much"};
85 cvar_t r_bloom = {CVAR_SAVE, "r_bloom", "0", "enables bloom effect (makes bright pixels affect neighboring pixels)"};
86 cvar_t r_bloom_colorscale = {CVAR_SAVE, "r_bloom_colorscale", "1", "how bright the glow is"};
87 cvar_t r_bloom_brighten = {CVAR_SAVE, "r_bloom_brighten", "2", "how bright the glow is, after subtract/power"};
88 cvar_t r_bloom_blur = {CVAR_SAVE, "r_bloom_blur", "4", "how large the glow is"};
89 cvar_t r_bloom_resolution = {CVAR_SAVE, "r_bloom_resolution", "320", "what resolution to perform the bloom effect at (independent of screen resolution)"};
90 cvar_t r_bloom_colorexponent = {CVAR_SAVE, "r_bloom_colorexponent", "1", "how exagerated the glow is"};
91 cvar_t r_bloom_colorsubtract = {CVAR_SAVE, "r_bloom_colorsubtract", "0.125", "reduces bloom colors by a certain amount"};
93 cvar_t r_hdr = {CVAR_SAVE, "r_hdr", "0", "enables High Dynamic Range bloom effect (higher quality version of r_bloom)"};
94 cvar_t r_hdr_scenebrightness = {CVAR_SAVE, "r_hdr_scenebrightness", "1", "global rendering brightness"};
95 cvar_t r_hdr_glowintensity = {CVAR_SAVE, "r_hdr_glowintensity", "1", "how bright light emitting textures should appear"};
96 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)"};
98 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"};
100 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"};
102 cvar_t gl_lightmaps = {0, "gl_lightmaps", "0", "draws only lightmaps, no texture (for level designers)"};
104 cvar_t r_test = {0, "r_test", "0", "internal development use only, leave it alone (usually does nothing anyway)"};
105 cvar_t r_batchmode = {0, "r_batchmode", "1", "selects method of rendering multiple surfaces with one driver call (values are 0, 1, 2, etc...)"};
107 typedef struct r_glsl_bloomshader_s
110 int loc_Texture_Bloom;
112 r_glsl_bloomshader_t;
114 static struct r_bloomstate_s
119 int bloomwidth, bloomheight;
121 int screentexturewidth, screentextureheight;
122 rtexture_t *texture_screen;
124 int bloomtexturewidth, bloomtextureheight;
125 rtexture_t *texture_bloom;
127 r_glsl_bloomshader_t *shader;
129 // arrays for rendering the screen passes
130 float screentexcoord2f[8];
131 float bloomtexcoord2f[8];
132 float offsettexcoord2f[8];
136 // shadow volume bsp struct with automatically growing nodes buffer
139 rtexture_t *r_texture_blanknormalmap;
140 rtexture_t *r_texture_white;
141 rtexture_t *r_texture_black;
142 rtexture_t *r_texture_notexture;
143 rtexture_t *r_texture_whitecube;
144 rtexture_t *r_texture_normalizationcube;
145 rtexture_t *r_texture_fogattenuation;
146 //rtexture_t *r_texture_fogintensity;
148 // information about each possible shader permutation
149 r_glsl_permutation_t r_glsl_permutations[SHADERPERMUTATION_MAX];
150 // currently selected permutation
151 r_glsl_permutation_t *r_glsl_permutation;
153 char r_qwskincache[MAX_SCOREBOARD][MAX_QPATH];
154 skinframe_t *r_qwskincache_skinframe[MAX_SCOREBOARD];
156 // vertex coordinates for a quad that covers the screen exactly
157 const static float r_screenvertex3f[12] =
165 extern void R_DrawModelShadows(void);
167 void R_ModulateColors(float *in, float *out, int verts, float r, float g, float b)
170 for (i = 0;i < verts;i++)
181 void R_FillColors(float *out, int verts, float r, float g, float b, float a)
184 for (i = 0;i < verts;i++)
194 // FIXME: move this to client?
197 if (gamemode == GAME_NEHAHRA)
199 Cvar_Set("gl_fogenable", "0");
200 Cvar_Set("gl_fogdensity", "0.2");
201 Cvar_Set("gl_fogred", "0.3");
202 Cvar_Set("gl_foggreen", "0.3");
203 Cvar_Set("gl_fogblue", "0.3");
205 r_refdef.fog_density = r_refdef.fog_red = r_refdef.fog_green = r_refdef.fog_blue = 0.0f;
208 float FogPoint_World(const vec3_t p)
210 int fogmasktableindex = (int)(VectorDistance((p), r_view.origin) * r_refdef.fogmasktabledistmultiplier);
211 return r_refdef.fogmasktable[min(fogmasktableindex, FOGMASKTABLEWIDTH - 1)];
214 float FogPoint_Model(const vec3_t p)
216 int fogmasktableindex = (int)(VectorDistance((p), rsurface_modelorg) * r_refdef.fogmasktabledistmultiplier);
217 return r_refdef.fogmasktable[min(fogmasktableindex, FOGMASKTABLEWIDTH - 1)];
220 static void R_BuildBlankTextures(void)
222 unsigned char data[4];
223 data[0] = 128; // normal X
224 data[1] = 128; // normal Y
225 data[2] = 255; // normal Z
226 data[3] = 128; // height
227 r_texture_blanknormalmap = R_LoadTexture2D(r_main_texturepool, "blankbump", 1, 1, data, TEXTYPE_RGBA, TEXF_PRECACHE, NULL);
232 r_texture_white = R_LoadTexture2D(r_main_texturepool, "blankwhite", 1, 1, data, TEXTYPE_RGBA, TEXF_PRECACHE, NULL);
237 r_texture_black = R_LoadTexture2D(r_main_texturepool, "blankblack", 1, 1, data, TEXTYPE_RGBA, TEXF_PRECACHE, NULL);
240 static void R_BuildNoTexture(void)
243 unsigned char pix[16][16][4];
244 // this makes a light grey/dark grey checkerboard texture
245 for (y = 0;y < 16;y++)
247 for (x = 0;x < 16;x++)
249 if ((y < 8) ^ (x < 8))
265 r_texture_notexture = R_LoadTexture2D(r_main_texturepool, "notexture", 16, 16, &pix[0][0][0], TEXTYPE_RGBA, TEXF_MIPMAP, NULL);
268 static void R_BuildWhiteCube(void)
270 unsigned char data[6*1*1*4];
271 data[ 0] = 255;data[ 1] = 255;data[ 2] = 255;data[ 3] = 255;
272 data[ 4] = 255;data[ 5] = 255;data[ 6] = 255;data[ 7] = 255;
273 data[ 8] = 255;data[ 9] = 255;data[10] = 255;data[11] = 255;
274 data[12] = 255;data[13] = 255;data[14] = 255;data[15] = 255;
275 data[16] = 255;data[17] = 255;data[18] = 255;data[19] = 255;
276 data[20] = 255;data[21] = 255;data[22] = 255;data[23] = 255;
277 r_texture_whitecube = R_LoadTextureCubeMap(r_main_texturepool, "whitecube", 1, data, TEXTYPE_RGBA, TEXF_PRECACHE | TEXF_CLAMP, NULL);
280 static void R_BuildNormalizationCube(void)
284 vec_t s, t, intensity;
286 unsigned char data[6][NORMSIZE][NORMSIZE][4];
287 for (side = 0;side < 6;side++)
289 for (y = 0;y < NORMSIZE;y++)
291 for (x = 0;x < NORMSIZE;x++)
293 s = (x + 0.5f) * (2.0f / NORMSIZE) - 1.0f;
294 t = (y + 0.5f) * (2.0f / NORMSIZE) - 1.0f;
329 intensity = 127.0f / sqrt(DotProduct(v, v));
330 data[side][y][x][0] = (unsigned char)(128.0f + intensity * v[0]);
331 data[side][y][x][1] = (unsigned char)(128.0f + intensity * v[1]);
332 data[side][y][x][2] = (unsigned char)(128.0f + intensity * v[2]);
333 data[side][y][x][3] = 255;
337 r_texture_normalizationcube = R_LoadTextureCubeMap(r_main_texturepool, "normalcube", NORMSIZE, &data[0][0][0][0], TEXTYPE_RGBA, TEXF_PRECACHE | TEXF_CLAMP, NULL);
340 static void R_BuildFogTexture(void)
344 unsigned char data1[FOGWIDTH][4];
345 //unsigned char data2[FOGWIDTH][4];
346 for (x = 0;x < FOGWIDTH;x++)
348 b = (int)(r_refdef.fogmasktable[x * (FOGMASKTABLEWIDTH - 1) / (FOGWIDTH - 1)] * 255);
353 //data2[x][0] = 255 - b;
354 //data2[x][1] = 255 - b;
355 //data2[x][2] = 255 - b;
358 r_texture_fogattenuation = R_LoadTexture2D(r_main_texturepool, "fogattenuation", FOGWIDTH, 1, &data1[0][0], TEXTYPE_RGBA, TEXF_PRECACHE | TEXF_FORCELINEAR | TEXF_CLAMP, NULL);
359 //r_texture_fogintensity = R_LoadTexture2D(r_main_texturepool, "fogintensity", FOGWIDTH, 1, &data2[0][0], TEXTYPE_RGBA, TEXF_PRECACHE | TEXF_FORCELINEAR | TEXF_CLAMP, NULL);
362 static const char *builtinshaderstring =
363 "// ambient+diffuse+specular+normalmap+attenuation+cubemap+fog shader\n"
364 "// written by Forest 'LordHavoc' Hale\n"
366 "// common definitions between vertex shader and fragment shader:\n"
368 "#ifdef __GLSL_CG_DATA_TYPES\n"
369 "#define myhalf half\n"
370 "#define myhvec2 hvec2\n"
371 "#define myhvec3 hvec3\n"
372 "#define myhvec4 hvec4\n"
374 "#define myhalf float\n"
375 "#define myhvec2 vec2\n"
376 "#define myhvec3 vec3\n"
377 "#define myhvec4 vec4\n"
380 "varying vec2 TexCoord;\n"
381 "varying vec2 TexCoordLightmap;\n"
383 "varying vec3 CubeVector;\n"
384 "varying vec3 LightVector;\n"
385 "varying vec3 EyeVector;\n"
387 "varying vec3 EyeVectorModelSpace;\n"
390 "varying vec3 VectorS; // direction of S texcoord (sometimes crudely called tangent)\n"
391 "varying vec3 VectorT; // direction of T texcoord (sometimes crudely called binormal)\n"
392 "varying vec3 VectorR; // direction of R texcoord (surface normal)\n"
397 "// vertex shader specific:\n"
398 "#ifdef VERTEX_SHADER\n"
400 "uniform vec3 LightPosition;\n"
401 "uniform vec3 EyePosition;\n"
402 "uniform vec3 LightDir;\n"
404 "// TODO: get rid of tangentt (texcoord2) and use a crossproduct to regenerate it from tangents (texcoord1) and normal (texcoord3)\n"
408 " gl_FrontColor = gl_Color;\n"
409 " // copy the surface texcoord\n"
410 " TexCoord = vec2(gl_TextureMatrix[0] * gl_MultiTexCoord0);\n"
411 "#if !defined(MODE_LIGHTSOURCE) && !defined(MODE_LIGHTDIRECTION)\n"
412 " TexCoordLightmap = vec2(gl_MultiTexCoord4);\n"
415 "#ifdef MODE_LIGHTSOURCE\n"
416 " // transform vertex position into light attenuation/cubemap space\n"
417 " // (-1 to +1 across the light box)\n"
418 " CubeVector = vec3(gl_TextureMatrix[3] * gl_Vertex);\n"
420 " // transform unnormalized light direction into tangent space\n"
421 " // (we use unnormalized to ensure that it interpolates correctly and then\n"
422 " // normalize it per pixel)\n"
423 " vec3 lightminusvertex = LightPosition - gl_Vertex.xyz;\n"
424 " LightVector.x = dot(lightminusvertex, gl_MultiTexCoord1.xyz);\n"
425 " LightVector.y = dot(lightminusvertex, gl_MultiTexCoord2.xyz);\n"
426 " LightVector.z = dot(lightminusvertex, gl_MultiTexCoord3.xyz);\n"
429 "#ifdef MODE_LIGHTDIRECTION\n"
430 " LightVector.x = dot(LightDir, gl_MultiTexCoord1.xyz);\n"
431 " LightVector.y = dot(LightDir, gl_MultiTexCoord2.xyz);\n"
432 " LightVector.z = dot(LightDir, gl_MultiTexCoord3.xyz);\n"
435 " // transform unnormalized eye direction into tangent space\n"
437 " vec3 EyeVectorModelSpace;\n"
439 " EyeVectorModelSpace = EyePosition - gl_Vertex.xyz;\n"
440 " EyeVector.x = dot(EyeVectorModelSpace, gl_MultiTexCoord1.xyz);\n"
441 " EyeVector.y = dot(EyeVectorModelSpace, gl_MultiTexCoord2.xyz);\n"
442 " EyeVector.z = dot(EyeVectorModelSpace, gl_MultiTexCoord3.xyz);\n"
444 "#ifdef MODE_LIGHTDIRECTIONMAP_MODELSPACE\n"
445 " VectorS = gl_MultiTexCoord1.xyz;\n"
446 " VectorT = gl_MultiTexCoord2.xyz;\n"
447 " VectorR = gl_MultiTexCoord3.xyz;\n"
450 " // transform vertex to camera space, using ftransform to match non-VS\n"
452 " gl_Position = ftransform();\n"
455 "#endif // VERTEX_SHADER\n"
460 "// fragment shader specific:\n"
461 "#ifdef FRAGMENT_SHADER\n"
463 "// 11 textures, we can only use up to 16 on DX9-class hardware\n"
464 "uniform sampler2D Texture_Normal;\n"
465 "uniform sampler2D Texture_Color;\n"
466 "uniform sampler2D Texture_Gloss;\n"
467 "uniform samplerCube Texture_Cube;\n"
468 "uniform sampler2D Texture_Attenuation;\n"
469 "uniform sampler2D Texture_FogMask;\n"
470 "uniform sampler2D Texture_Pants;\n"
471 "uniform sampler2D Texture_Shirt;\n"
472 "uniform sampler2D Texture_Lightmap;\n"
473 "uniform sampler2D Texture_Deluxemap;\n"
474 "uniform sampler2D Texture_Glow;\n"
476 "uniform myhvec3 LightColor;\n"
477 "uniform myhvec3 AmbientColor;\n"
478 "uniform myhvec3 DiffuseColor;\n"
479 "uniform myhvec3 SpecularColor;\n"
480 "uniform myhvec3 Color_Pants;\n"
481 "uniform myhvec3 Color_Shirt;\n"
482 "uniform myhvec3 FogColor;\n"
484 "uniform myhalf GlowScale;\n"
485 "uniform myhalf SceneBrightness;\n"
487 "uniform float OffsetMapping_Scale;\n"
488 "uniform float OffsetMapping_Bias;\n"
489 "uniform float FogRangeRecip;\n"
491 "uniform myhalf AmbientScale;\n"
492 "uniform myhalf DiffuseScale;\n"
493 "uniform myhalf SpecularScale;\n"
494 "uniform myhalf SpecularPower;\n"
496 "#ifdef USEOFFSETMAPPING\n"
497 "vec2 OffsetMapping(vec2 TexCoord)\n"
499 "#ifdef USEOFFSETMAPPING_RELIEFMAPPING\n"
500 " // 14 sample relief mapping: linear search and then binary search\n"
501 " // this basically steps forward a small amount repeatedly until it finds\n"
502 " // itself inside solid, then jitters forward and back using decreasing\n"
503 " // amounts to find the impact\n"
504 " //vec3 OffsetVector = vec3(EyeVector.xy * ((1.0 / EyeVector.z) * OffsetMapping_Scale) * vec2(-1, 1), -1);\n"
505 " //vec3 OffsetVector = vec3(normalize(EyeVector.xy) * OffsetMapping_Scale * vec2(-1, 1), -1);\n"
506 " vec3 OffsetVector = vec3(normalize(EyeVector).xy * OffsetMapping_Scale * vec2(-1, 1), -1);\n"
507 " vec3 RT = vec3(TexCoord, 1);\n"
508 " OffsetVector *= 0.1;\n"
509 " RT += OffsetVector * step(texture2D(Texture_Normal, RT.xy).a, RT.z);\n"
510 " RT += OffsetVector * step(texture2D(Texture_Normal, RT.xy).a, RT.z);\n"
511 " RT += OffsetVector * step(texture2D(Texture_Normal, RT.xy).a, RT.z);\n"
512 " RT += OffsetVector * step(texture2D(Texture_Normal, RT.xy).a, RT.z);\n"
513 " RT += OffsetVector * step(texture2D(Texture_Normal, RT.xy).a, RT.z);\n"
514 " RT += OffsetVector * step(texture2D(Texture_Normal, RT.xy).a, RT.z);\n"
515 " RT += OffsetVector * step(texture2D(Texture_Normal, RT.xy).a, RT.z);\n"
516 " RT += OffsetVector * step(texture2D(Texture_Normal, RT.xy).a, RT.z);\n"
517 " RT += OffsetVector * step(texture2D(Texture_Normal, RT.xy).a, RT.z);\n"
518 " RT += OffsetVector * (step(texture2D(Texture_Normal, RT.xy).a, RT.z) - 0.5);\n"
519 " RT += OffsetVector * (step(texture2D(Texture_Normal, RT.xy).a, RT.z) * 0.5 - 0.25);\n"
520 " RT += OffsetVector * (step(texture2D(Texture_Normal, RT.xy).a, RT.z) * 0.25 - 0.125);\n"
521 " RT += OffsetVector * (step(texture2D(Texture_Normal, RT.xy).a, RT.z) * 0.125 - 0.0625);\n"
522 " RT += OffsetVector * (step(texture2D(Texture_Normal, RT.xy).a, RT.z) * 0.0625 - 0.03125);\n"
525 " // 3 sample offset mapping (only 3 samples because of ATI Radeon 9500-9800/X300 limits)\n"
526 " // this basically moves forward the full distance, and then backs up based\n"
527 " // on height of samples\n"
528 " //vec2 OffsetVector = vec2(EyeVector.xy * ((1.0 / EyeVector.z) * OffsetMapping_Scale) * vec2(-1, 1));\n"
529 " //vec2 OffsetVector = vec2(normalize(EyeVector.xy) * OffsetMapping_Scale * vec2(-1, 1));\n"
530 " vec2 OffsetVector = vec2(normalize(EyeVector).xy * OffsetMapping_Scale * vec2(-1, 1));\n"
531 " TexCoord += OffsetVector;\n"
532 " OffsetVector *= 0.333;\n"
533 " TexCoord -= OffsetVector * texture2D(Texture_Normal, TexCoord).a;\n"
534 " TexCoord -= OffsetVector * texture2D(Texture_Normal, TexCoord).a;\n"
535 " TexCoord -= OffsetVector * texture2D(Texture_Normal, TexCoord).a;\n"
536 " return TexCoord;\n"
543 "#ifdef USEOFFSETMAPPING\n"
544 " // apply offsetmapping\n"
545 " vec2 TexCoordOffset = OffsetMapping(TexCoord);\n"
546 "#define TexCoord TexCoordOffset\n"
549 " // combine the diffuse textures (base, pants, shirt)\n"
550 " myhvec4 color = myhvec4(texture2D(Texture_Color, TexCoord));\n"
551 "#ifdef USECOLORMAPPING\n"
552 " color.rgb += myhvec3(texture2D(Texture_Pants, TexCoord)) * Color_Pants + myhvec3(texture2D(Texture_Shirt, TexCoord)) * Color_Shirt;\n"
558 "#ifdef MODE_LIGHTSOURCE\n"
561 " // calculate surface normal, light normal, and specular normal\n"
562 " // compute color intensity for the two textures (colormap and glossmap)\n"
563 " // scale by light color and attenuation as efficiently as possible\n"
564 " // (do as much scalar math as possible rather than vector math)\n"
565 "#ifdef USESPECULAR\n"
566 " myhvec3 surfacenormal = normalize(myhvec3(texture2D(Texture_Normal, TexCoord)) - myhvec3(0.5));\n"
567 " myhvec3 diffusenormal = myhvec3(normalize(LightVector));\n"
568 " myhvec3 specularnormal = normalize(diffusenormal + myhvec3(normalize(EyeVector)));\n"
570 " // calculate directional shading\n"
571 " color.rgb = LightColor * 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)) * myhvec3(texture2D(Texture_Gloss, TexCoord)));\n"
573 "#ifdef USEDIFFUSE\n"
574 " myhvec3 surfacenormal = normalize(myhvec3(texture2D(Texture_Normal, TexCoord)) - myhvec3(0.5));\n"
575 " myhvec3 diffusenormal = myhvec3(normalize(LightVector));\n"
577 " // calculate directional shading\n"
578 " color.rgb = color.rgb * LightColor * (myhalf(texture2D(Texture_Attenuation, vec2(length(CubeVector), 0.0))) * (AmbientScale + DiffuseScale * myhalf(max(float(dot(surfacenormal, diffusenormal)), 0.0))));\n"
580 " // calculate directionless shading\n"
581 " color.rgb = color.rgb * LightColor * myhalf(texture2D(Texture_Attenuation, vec2(length(CubeVector), 0.0)));\n"
585 "#ifdef USECUBEFILTER\n"
586 " // apply light cubemap filter\n"
587 " //color.rgb *= normalize(CubeVector) * 0.5 + 0.5;//vec3(textureCube(Texture_Cube, CubeVector));\n"
588 " color.rgb *= myhvec3(textureCube(Texture_Cube, CubeVector));\n"
594 "#elif defined(MODE_LIGHTDIRECTION)\n"
595 " // directional model lighting\n"
597 " // get the surface normal and light normal\n"
598 " myhvec3 surfacenormal = normalize(myhvec3(texture2D(Texture_Normal, TexCoord)) - myhvec3(0.5));\n"
599 " myhvec3 diffusenormal = myhvec3(LightVector);\n"
601 " // calculate directional shading\n"
602 " color.rgb *= AmbientColor + DiffuseColor * myhalf(max(float(dot(surfacenormal, diffusenormal)), 0.0));\n"
603 "#ifdef USESPECULAR\n"
604 " myhvec3 specularnormal = normalize(diffusenormal + myhvec3(normalize(EyeVector)));\n"
605 " color.rgb += myhvec3(texture2D(Texture_Gloss, TexCoord)) * SpecularColor * pow(myhalf(max(float(dot(surfacenormal, specularnormal)), 0.0)), SpecularPower);\n"
611 "#elif defined(MODE_LIGHTDIRECTIONMAP_MODELSPACE) || defined(MODE_LIGHTDIRECTIONMAP_TANGENTSPACE)\n"
612 " // deluxemap lightmapping using light vectors in modelspace (evil q3map2)\n"
614 " // get the surface normal and light normal\n"
615 " myhvec3 surfacenormal = normalize(myhvec3(texture2D(Texture_Normal, TexCoord)) - myhvec3(0.5));\n"
617 "#ifdef MODE_LIGHTDIRECTIONMAP_MODELSPACE\n"
618 " myhvec3 diffusenormal_modelspace = myhvec3(texture2D(Texture_Deluxemap, TexCoordLightmap)) - myhvec3(0.5);\n"
619 " myhvec3 diffusenormal = normalize(myhvec3(dot(diffusenormal_modelspace, myhvec3(VectorS)), dot(diffusenormal_modelspace, myhvec3(VectorT)), dot(diffusenormal_modelspace, myhvec3(VectorR))));\n"
621 " myhvec3 diffusenormal = normalize(myhvec3(texture2D(Texture_Deluxemap, TexCoordLightmap)) - myhvec3(0.5));\n"
623 " // calculate directional shading\n"
624 " myhvec3 tempcolor = color.rgb * (DiffuseScale * myhalf(max(float(dot(surfacenormal, diffusenormal)), 0.0)));\n"
625 "#ifdef USESPECULAR\n"
626 " myhvec3 specularnormal = myhvec3(normalize(diffusenormal + myhvec3(normalize(EyeVector))));\n"
627 " tempcolor += myhvec3(texture2D(Texture_Gloss, TexCoord)) * SpecularScale * pow(myhalf(max(float(dot(surfacenormal, specularnormal)), 0.0)), SpecularPower);\n"
630 " // apply lightmap color\n"
631 " color.rgb = tempcolor * myhvec3(texture2D(Texture_Lightmap, TexCoordLightmap)) + color.rgb * AmbientScale;\n"
634 "#else // MODE none (lightmap)\n"
635 " // apply lightmap color\n"
636 " color.rgb *= myhvec3(texture2D(Texture_Lightmap, TexCoordLightmap)) * DiffuseScale + myhvec3(AmbientScale);\n"
639 " color *= myhvec4(gl_Color);\n"
642 " color.rgb += myhvec3(texture2D(Texture_Glow, TexCoord)) * GlowScale;\n"
647 " color.rgb = mix(FogColor, color.rgb, myhalf(texture2D(Texture_FogMask, myhvec2(length(EyeVectorModelSpace)*FogRangeRecip, 0.0))));\n"
650 " color.rgb *= SceneBrightness;\n"
652 " gl_FragColor = vec4(color);\n"
655 "#endif // FRAGMENT_SHADER\n"
658 // NOTE: MUST MATCH ORDER OF SHADERPERMUTATION_* DEFINES!
659 const char *permutationinfo[][2] =
661 {"#define MODE_LIGHTSOURCE\n", " lightsource"},
662 {"#define MODE_LIGHTDIRECTIONMAP_MODELSPACE\n", " lightdirectionmap_modelspace"},
663 {"#define MODE_LIGHTDIRECTIONMAP_TANGENTSPACE\n", " lightdirectionmap_tangentspace"},
664 {"#define MODE_LIGHTDIRECTION\n", " lightdirection"},
665 {"#define USEGLOW\n", " glow"},
666 {"#define USEFOG\n", " fog"},
667 {"#define USECOLORMAPPING\n", " colormapping"},
668 {"#define USEDIFFUSE\n", " diffuse"},
669 {"#define USESPECULAR\n", " specular"},
670 {"#define USECUBEFILTER\n", " cubefilter"},
671 {"#define USEOFFSETMAPPING\n", " offsetmapping"},
672 {"#define USEOFFSETMAPPING_RELIEFMAPPING\n", " reliefmapping"},
676 void R_GLSL_CompilePermutation(const char *filename, int permutation)
679 qboolean shaderfound;
680 r_glsl_permutation_t *p = r_glsl_permutations + (permutation & SHADERPERMUTATION_MASK);
681 int vertstrings_count;
682 int geomstrings_count;
683 int fragstrings_count;
685 const char *vertstrings_list[32+1];
686 const char *geomstrings_list[32+1];
687 const char *fragstrings_list[32+1];
688 char permutationname[256];
693 vertstrings_list[0] = "#define VERTEX_SHADER\n";
694 geomstrings_list[0] = "#define GEOMETRY_SHADER\n";
695 fragstrings_list[0] = "#define FRAGMENT_SHADER\n";
696 vertstrings_count = 1;
697 geomstrings_count = 1;
698 fragstrings_count = 1;
699 permutationname[0] = 0;
700 for (i = 0;permutationinfo[i][0];i++)
702 if (permutation & (1<<i))
704 vertstrings_list[vertstrings_count++] = permutationinfo[i][0];
705 geomstrings_list[geomstrings_count++] = permutationinfo[i][0];
706 fragstrings_list[fragstrings_count++] = permutationinfo[i][0];
707 strlcat(permutationname, permutationinfo[i][1], sizeof(permutationname));
711 // keep line numbers correct
712 vertstrings_list[vertstrings_count++] = "\n";
713 geomstrings_list[geomstrings_count++] = "\n";
714 fragstrings_list[fragstrings_count++] = "\n";
717 shaderstring = (char *)FS_LoadFile(filename, r_main_mempool, false, NULL);
721 Con_DPrintf("GLSL shader text for \"%s\" loaded from disk\n", filename);
722 vertstrings_list[vertstrings_count++] = shaderstring;
723 geomstrings_list[geomstrings_count++] = shaderstring;
724 fragstrings_list[fragstrings_count++] = shaderstring;
727 else if (!strcmp(filename, "glsl/default.glsl"))
729 Con_DPrintf("GLSL shader text for \"%s\" loaded from engine\n", filename);
730 vertstrings_list[vertstrings_count++] = builtinshaderstring;
731 geomstrings_list[geomstrings_count++] = builtinshaderstring;
732 fragstrings_list[fragstrings_count++] = builtinshaderstring;
735 // clear any lists that are not needed by this shader
736 if (!(permutation & SHADERPERMUTATION_USES_VERTEXSHADER))
737 vertstrings_count = 0;
738 if (!(permutation & SHADERPERMUTATION_USES_GEOMETRYSHADER))
739 geomstrings_count = 0;
740 if (!(permutation & SHADERPERMUTATION_USES_FRAGMENTSHADER))
741 fragstrings_count = 0;
742 // compile the shader program
743 if (shaderfound && vertstrings_count + geomstrings_count + fragstrings_count)
744 p->program = GL_Backend_CompileProgram(vertstrings_count, vertstrings_list, geomstrings_count, geomstrings_list, fragstrings_count, fragstrings_list);
748 qglUseProgramObjectARB(p->program);CHECKGLERROR
749 // look up all the uniform variable names we care about, so we don't
750 // have to look them up every time we set them
751 p->loc_Texture_Normal = qglGetUniformLocationARB(p->program, "Texture_Normal");
752 p->loc_Texture_Color = qglGetUniformLocationARB(p->program, "Texture_Color");
753 p->loc_Texture_Gloss = qglGetUniformLocationARB(p->program, "Texture_Gloss");
754 p->loc_Texture_Cube = qglGetUniformLocationARB(p->program, "Texture_Cube");
755 p->loc_Texture_Attenuation = qglGetUniformLocationARB(p->program, "Texture_Attenuation");
756 p->loc_Texture_FogMask = qglGetUniformLocationARB(p->program, "Texture_FogMask");
757 p->loc_Texture_Pants = qglGetUniformLocationARB(p->program, "Texture_Pants");
758 p->loc_Texture_Shirt = qglGetUniformLocationARB(p->program, "Texture_Shirt");
759 p->loc_Texture_Lightmap = qglGetUniformLocationARB(p->program, "Texture_Lightmap");
760 p->loc_Texture_Deluxemap = qglGetUniformLocationARB(p->program, "Texture_Deluxemap");
761 p->loc_Texture_Glow = qglGetUniformLocationARB(p->program, "Texture_Glow");
762 p->loc_FogColor = qglGetUniformLocationARB(p->program, "FogColor");
763 p->loc_LightPosition = qglGetUniformLocationARB(p->program, "LightPosition");
764 p->loc_EyePosition = qglGetUniformLocationARB(p->program, "EyePosition");
765 p->loc_LightColor = qglGetUniformLocationARB(p->program, "LightColor");
766 p->loc_Color_Pants = qglGetUniformLocationARB(p->program, "Color_Pants");
767 p->loc_Color_Shirt = qglGetUniformLocationARB(p->program, "Color_Shirt");
768 p->loc_FogRangeRecip = qglGetUniformLocationARB(p->program, "FogRangeRecip");
769 p->loc_AmbientScale = qglGetUniformLocationARB(p->program, "AmbientScale");
770 p->loc_DiffuseScale = qglGetUniformLocationARB(p->program, "DiffuseScale");
771 p->loc_SpecularPower = qglGetUniformLocationARB(p->program, "SpecularPower");
772 p->loc_SpecularScale = qglGetUniformLocationARB(p->program, "SpecularScale");
773 p->loc_GlowScale = qglGetUniformLocationARB(p->program, "GlowScale");
774 p->loc_SceneBrightness = qglGetUniformLocationARB(p->program, "SceneBrightness");
775 p->loc_OffsetMapping_Scale = qglGetUniformLocationARB(p->program, "OffsetMapping_Scale");
776 p->loc_AmbientColor = qglGetUniformLocationARB(p->program, "AmbientColor");
777 p->loc_DiffuseColor = qglGetUniformLocationARB(p->program, "DiffuseColor");
778 p->loc_SpecularColor = qglGetUniformLocationARB(p->program, "SpecularColor");
779 p->loc_LightDir = qglGetUniformLocationARB(p->program, "LightDir");
780 // initialize the samplers to refer to the texture units we use
781 if (p->loc_Texture_Normal >= 0) qglUniform1iARB(p->loc_Texture_Normal, 0);
782 if (p->loc_Texture_Color >= 0) qglUniform1iARB(p->loc_Texture_Color, 1);
783 if (p->loc_Texture_Gloss >= 0) qglUniform1iARB(p->loc_Texture_Gloss, 2);
784 if (p->loc_Texture_Cube >= 0) qglUniform1iARB(p->loc_Texture_Cube, 3);
785 if (p->loc_Texture_FogMask >= 0) qglUniform1iARB(p->loc_Texture_FogMask, 4);
786 if (p->loc_Texture_Pants >= 0) qglUniform1iARB(p->loc_Texture_Pants, 5);
787 if (p->loc_Texture_Shirt >= 0) qglUniform1iARB(p->loc_Texture_Shirt, 6);
788 if (p->loc_Texture_Lightmap >= 0) qglUniform1iARB(p->loc_Texture_Lightmap, 7);
789 if (p->loc_Texture_Deluxemap >= 0) qglUniform1iARB(p->loc_Texture_Deluxemap, 8);
790 if (p->loc_Texture_Glow >= 0) qglUniform1iARB(p->loc_Texture_Glow, 9);
791 if (p->loc_Texture_Attenuation >= 0) qglUniform1iARB(p->loc_Texture_Attenuation, 10);
793 qglUseProgramObjectARB(0);CHECKGLERROR
796 Con_Printf("permutation%s failed for shader %s, some features may not work properly!\n", permutationname, "glsl/default.glsl");
798 Mem_Free(shaderstring);
801 void R_GLSL_Restart_f(void)
804 for (i = 0;i < SHADERPERMUTATION_MAX;i++)
805 if (r_glsl_permutations[i].program)
806 GL_Backend_FreeProgram(r_glsl_permutations[i].program);
807 memset(r_glsl_permutations, 0, sizeof(r_glsl_permutations));
810 extern rtexture_t *r_shadow_attenuationgradienttexture;
811 extern rtexture_t *r_shadow_attenuation2dtexture;
812 extern rtexture_t *r_shadow_attenuation3dtexture;
813 int R_SetupSurfaceShader(const vec3_t lightcolorbase, qboolean modellighting, float ambientscale, float diffusescale, float specularscale)
815 // select a permutation of the lighting shader appropriate to this
816 // combination of texture, entity, light source, and fogging, only use the
817 // minimum features necessary to avoid wasting rendering time in the
818 // fragment shader on features that are not being used
819 const char *shaderfilename = NULL;
820 unsigned int permutation = 0;
821 r_glsl_permutation = NULL;
822 // TODO: implement geometry-shader based shadow volumes someday
823 if (r_shadow_rtlight)
826 shaderfilename = "glsl/default.glsl";
827 permutation = SHADERPERMUTATION_MODE_LIGHTSOURCE | SHADERPERMUTATION_USES_VERTEXSHADER | SHADERPERMUTATION_USES_FRAGMENTSHADER;
828 if (r_shadow_rtlight->currentcubemap != r_texture_whitecube)
829 permutation |= SHADERPERMUTATION_CUBEFILTER;
830 if (diffusescale > 0)
831 permutation |= SHADERPERMUTATION_DIFFUSE;
832 if (specularscale > 0)
833 permutation |= SHADERPERMUTATION_SPECULAR | SHADERPERMUTATION_DIFFUSE;
834 if (r_refdef.fogenabled)
835 permutation |= SHADERPERMUTATION_FOG;
836 if (rsurface_texture->colormapping)
837 permutation |= SHADERPERMUTATION_COLORMAPPING;
838 if (r_glsl_offsetmapping.integer)
840 permutation |= SHADERPERMUTATION_OFFSETMAPPING;
841 if (r_glsl_offsetmapping_reliefmapping.integer)
842 permutation |= SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;
845 else if (rsurface_texture->currentmaterialflags & MATERIALFLAG_FULLBRIGHT)
847 // bright unshaded geometry
848 shaderfilename = "glsl/default.glsl";
849 permutation = SHADERPERMUTATION_USES_VERTEXSHADER | SHADERPERMUTATION_USES_FRAGMENTSHADER;
850 if (rsurface_texture->currentskinframe->glow)
851 permutation |= SHADERPERMUTATION_GLOW;
852 if (r_refdef.fogenabled)
853 permutation |= SHADERPERMUTATION_FOG;
854 if (rsurface_texture->colormapping)
855 permutation |= SHADERPERMUTATION_COLORMAPPING;
856 if (r_glsl_offsetmapping.integer)
858 permutation |= SHADERPERMUTATION_OFFSETMAPPING;
859 if (r_glsl_offsetmapping_reliefmapping.integer)
860 permutation |= SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;
863 else if (modellighting)
865 // directional model lighting
866 shaderfilename = "glsl/default.glsl";
867 permutation = SHADERPERMUTATION_USES_VERTEXSHADER | SHADERPERMUTATION_USES_FRAGMENTSHADER;
868 permutation |= SHADERPERMUTATION_MODE_LIGHTDIRECTION;
869 if (rsurface_texture->currentskinframe->glow)
870 permutation |= SHADERPERMUTATION_GLOW;
871 if (specularscale > 0)
872 permutation |= SHADERPERMUTATION_SPECULAR;
873 if (r_refdef.fogenabled)
874 permutation |= SHADERPERMUTATION_FOG;
875 if (rsurface_texture->colormapping)
876 permutation |= SHADERPERMUTATION_COLORMAPPING;
877 if (r_glsl_offsetmapping.integer)
879 permutation |= SHADERPERMUTATION_OFFSETMAPPING;
880 if (r_glsl_offsetmapping_reliefmapping.integer)
881 permutation |= SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;
887 shaderfilename = "glsl/default.glsl";
888 permutation = SHADERPERMUTATION_USES_VERTEXSHADER | SHADERPERMUTATION_USES_FRAGMENTSHADER;
889 if (r_glsl_deluxemapping.integer >= 1 && rsurface_uselightmaptexture && r_refdef.worldmodel && r_refdef.worldmodel->brushq3.deluxemapping)
891 // deluxemapping (light direction texture)
892 if (rsurface_uselightmaptexture && r_refdef.worldmodel && r_refdef.worldmodel->brushq3.deluxemapping && r_refdef.worldmodel->brushq3.deluxemapping_modelspace)
893 permutation |= SHADERPERMUTATION_MODE_LIGHTDIRECTIONMAP_MODELSPACE;
895 permutation |= SHADERPERMUTATION_MODE_LIGHTDIRECTIONMAP_TANGENTSPACE;
896 if (specularscale > 0)
897 permutation |= SHADERPERMUTATION_SPECULAR;
899 else if (r_glsl_deluxemapping.integer >= 2)
901 // fake deluxemapping (uniform light direction in tangentspace)
902 permutation |= SHADERPERMUTATION_MODE_LIGHTDIRECTIONMAP_TANGENTSPACE;
903 if (specularscale > 0)
904 permutation |= SHADERPERMUTATION_SPECULAR;
908 // ordinary lightmapping
911 if (rsurface_texture->currentskinframe->glow)
912 permutation |= SHADERPERMUTATION_GLOW;
913 if (r_refdef.fogenabled)
914 permutation |= SHADERPERMUTATION_FOG;
915 if (rsurface_texture->colormapping)
916 permutation |= SHADERPERMUTATION_COLORMAPPING;
917 if (r_glsl_offsetmapping.integer)
919 permutation |= SHADERPERMUTATION_OFFSETMAPPING;
920 if (r_glsl_offsetmapping_reliefmapping.integer)
921 permutation |= SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING;
924 if (!r_glsl_permutations[permutation & SHADERPERMUTATION_MASK].program)
926 if (!r_glsl_permutations[permutation & SHADERPERMUTATION_MASK].compiled)
927 R_GLSL_CompilePermutation(shaderfilename, permutation);
928 if (!r_glsl_permutations[permutation & SHADERPERMUTATION_MASK].program)
930 // remove features until we find a valid permutation
932 for (i = SHADERPERMUTATION_MASK;;i>>=1)
935 return 0; // utterly failed
936 // reduce i more quickly whenever it would not remove any bits
940 if (!r_glsl_permutations[permutation & SHADERPERMUTATION_MASK].compiled)
941 R_GLSL_CompilePermutation(shaderfilename, permutation);
942 if (r_glsl_permutations[permutation & SHADERPERMUTATION_MASK].program)
947 r_glsl_permutation = r_glsl_permutations + (permutation & SHADERPERMUTATION_MASK);
949 qglUseProgramObjectARB(r_glsl_permutation->program);CHECKGLERROR
950 R_Mesh_TexMatrix(0, &rsurface_texture->currenttexmatrix);
951 if (permutation & SHADERPERMUTATION_MODE_LIGHTSOURCE)
953 if (r_glsl_permutation->loc_Texture_Cube >= 0 && r_shadow_rtlight) R_Mesh_TexBindCubeMap(3, R_GetTexture(r_shadow_rtlight->currentcubemap));
954 if (r_glsl_permutation->loc_LightPosition >= 0) qglUniform3fARB(r_glsl_permutation->loc_LightPosition, r_shadow_entitylightorigin[0], r_shadow_entitylightorigin[1], r_shadow_entitylightorigin[2]);
955 if (permutation & SHADERPERMUTATION_DIFFUSE)
957 if (r_glsl_permutation->loc_LightColor >= 0) qglUniform3fARB(r_glsl_permutation->loc_LightColor, lightcolorbase[0], lightcolorbase[1], lightcolorbase[2]);
958 if (r_glsl_permutation->loc_AmbientScale >= 0) qglUniform1fARB(r_glsl_permutation->loc_AmbientScale, ambientscale);
959 if (r_glsl_permutation->loc_DiffuseScale >= 0) qglUniform1fARB(r_glsl_permutation->loc_DiffuseScale, diffusescale);
960 if (r_glsl_permutation->loc_SpecularScale >= 0) qglUniform1fARB(r_glsl_permutation->loc_SpecularScale, specularscale);
964 // ambient only is simpler
965 if (r_glsl_permutation->loc_LightColor >= 0) qglUniform3fARB(r_glsl_permutation->loc_LightColor, lightcolorbase[0] * ambientscale, lightcolorbase[1] * ambientscale, lightcolorbase[2] * ambientscale);
966 if (r_glsl_permutation->loc_AmbientScale >= 0) qglUniform1fARB(r_glsl_permutation->loc_AmbientScale, 1);
967 if (r_glsl_permutation->loc_DiffuseScale >= 0) qglUniform1fARB(r_glsl_permutation->loc_DiffuseScale, 0);
968 if (r_glsl_permutation->loc_SpecularScale >= 0) qglUniform1fARB(r_glsl_permutation->loc_SpecularScale, 0);
971 else if (permutation & SHADERPERMUTATION_MODE_LIGHTDIRECTION)
973 if (r_glsl_permutation->loc_AmbientColor >= 0)
974 qglUniform3fARB(r_glsl_permutation->loc_AmbientColor, rsurface_entity->modellight_ambient[0] * ambientscale, rsurface_entity->modellight_ambient[1] * ambientscale, rsurface_entity->modellight_ambient[2] * ambientscale);
975 if (r_glsl_permutation->loc_DiffuseColor >= 0)
976 qglUniform3fARB(r_glsl_permutation->loc_DiffuseColor, rsurface_entity->modellight_diffuse[0] * diffusescale, rsurface_entity->modellight_diffuse[1] * diffusescale, rsurface_entity->modellight_diffuse[2] * diffusescale);
977 if (r_glsl_permutation->loc_SpecularColor >= 0)
978 qglUniform3fARB(r_glsl_permutation->loc_SpecularColor, rsurface_entity->modellight_diffuse[0] * specularscale, rsurface_entity->modellight_diffuse[1] * specularscale, rsurface_entity->modellight_diffuse[2] * specularscale);
979 if (r_glsl_permutation->loc_LightDir >= 0)
980 qglUniform3fARB(r_glsl_permutation->loc_LightDir, rsurface_entity->modellight_lightdir[0], rsurface_entity->modellight_lightdir[1], rsurface_entity->modellight_lightdir[2]);
984 if (r_glsl_permutation->loc_AmbientScale >= 0) qglUniform1fARB(r_glsl_permutation->loc_AmbientScale, r_ambient.value * 2.0f / 128.0f);
985 if (r_glsl_permutation->loc_DiffuseScale >= 0) qglUniform1fARB(r_glsl_permutation->loc_DiffuseScale, r_refdef.lightmapintensity * 2.0f);
986 if (r_glsl_permutation->loc_SpecularScale >= 0) qglUniform1fARB(r_glsl_permutation->loc_SpecularScale, r_refdef.lightmapintensity * specularscale * 2.0f);
988 if (r_glsl_permutation->loc_Texture_Normal >= 0) R_Mesh_TexBind(0, R_GetTexture(rsurface_texture->currentskinframe->nmap));
989 if (r_glsl_permutation->loc_Texture_Color >= 0) R_Mesh_TexBind(1, R_GetTexture(rsurface_texture->basetexture));
990 if (r_glsl_permutation->loc_Texture_Gloss >= 0) R_Mesh_TexBind(2, R_GetTexture(rsurface_texture->glosstexture));
991 //if (r_glsl_permutation->loc_Texture_Cube >= 0 && permutation & SHADERPERMUTATION_MODE_LIGHTSOURCE) R_Mesh_TexBindCubeMap(3, R_GetTexture(r_shadow_rtlight->currentcubemap));
992 if (r_glsl_permutation->loc_Texture_Attenuation >= 0) R_Mesh_TexBind(10, R_GetTexture(r_shadow_attenuationgradienttexture));
993 if (r_glsl_permutation->loc_Texture_FogMask >= 0) R_Mesh_TexBind(4, R_GetTexture(r_texture_fogattenuation));
994 if (r_glsl_permutation->loc_Texture_Pants >= 0) R_Mesh_TexBind(5, R_GetTexture(rsurface_texture->currentskinframe->pants));
995 if (r_glsl_permutation->loc_Texture_Shirt >= 0) R_Mesh_TexBind(6, R_GetTexture(rsurface_texture->currentskinframe->shirt));
996 //if (r_glsl_permutation->loc_Texture_Lightmap >= 0) R_Mesh_TexBind(7, R_GetTexture(r_texture_white));
997 //if (r_glsl_permutation->loc_Texture_Deluxemap >= 0) R_Mesh_TexBind(8, R_GetTexture(r_texture_blanknormalmap));
998 if (r_glsl_permutation->loc_Texture_Glow >= 0) R_Mesh_TexBind(9, R_GetTexture(rsurface_texture->currentskinframe->glow));
999 if (r_glsl_permutation->loc_GlowScale >= 0) qglUniform1fARB(r_glsl_permutation->loc_GlowScale, r_hdr_glowintensity.value);
1000 if (r_glsl_permutation->loc_SceneBrightness >= 0) qglUniform1fARB(r_glsl_permutation->loc_SceneBrightness, r_view.colorscale);
1001 if (r_glsl_permutation->loc_FogColor >= 0)
1003 // additive passes are only darkened by fog, not tinted
1004 if (r_shadow_rtlight || (rsurface_texture->currentmaterialflags & MATERIALFLAG_ADD))
1005 qglUniform3fARB(r_glsl_permutation->loc_FogColor, 0, 0, 0);
1007 qglUniform3fARB(r_glsl_permutation->loc_FogColor, r_refdef.fogcolor[0], r_refdef.fogcolor[1], r_refdef.fogcolor[2]);
1009 if (r_glsl_permutation->loc_EyePosition >= 0) qglUniform3fARB(r_glsl_permutation->loc_EyePosition, rsurface_modelorg[0], rsurface_modelorg[1], rsurface_modelorg[2]);
1010 if (r_glsl_permutation->loc_Color_Pants >= 0)
1012 if (rsurface_texture->currentskinframe->pants)
1013 qglUniform3fARB(r_glsl_permutation->loc_Color_Pants, rsurface_entity->colormap_pantscolor[0], rsurface_entity->colormap_pantscolor[1], rsurface_entity->colormap_pantscolor[2]);
1015 qglUniform3fARB(r_glsl_permutation->loc_Color_Pants, 0, 0, 0);
1017 if (r_glsl_permutation->loc_Color_Shirt >= 0)
1019 if (rsurface_texture->currentskinframe->shirt)
1020 qglUniform3fARB(r_glsl_permutation->loc_Color_Shirt, rsurface_entity->colormap_shirtcolor[0], rsurface_entity->colormap_shirtcolor[1], rsurface_entity->colormap_shirtcolor[2]);
1022 qglUniform3fARB(r_glsl_permutation->loc_Color_Shirt, 0, 0, 0);
1024 if (r_glsl_permutation->loc_FogRangeRecip >= 0) qglUniform1fARB(r_glsl_permutation->loc_FogRangeRecip, r_refdef.fograngerecip);
1025 if (r_glsl_permutation->loc_SpecularPower >= 0) qglUniform1fARB(r_glsl_permutation->loc_SpecularPower, rsurface_texture->specularpower);
1026 if (r_glsl_permutation->loc_OffsetMapping_Scale >= 0) qglUniform1fARB(r_glsl_permutation->loc_OffsetMapping_Scale, r_glsl_offsetmapping_scale.value);
1031 void R_SwitchSurfaceShader(int permutation)
1033 if (r_glsl_permutation != r_glsl_permutations + (permutation & SHADERPERMUTATION_MASK))
1035 r_glsl_permutation = r_glsl_permutations + (permutation & SHADERPERMUTATION_MASK);
1037 qglUseProgramObjectARB(r_glsl_permutation->program);
1042 #define SKINFRAME_HASH 1024
1046 int loadsequence; // incremented each level change
1047 memexpandablearray_t array;
1048 skinframe_t *hash[SKINFRAME_HASH];
1052 void R_SkinFrame_PrepareForPurge(void)
1054 r_skinframe.loadsequence++;
1055 // wrap it without hitting zero
1056 if (r_skinframe.loadsequence >= 200)
1057 r_skinframe.loadsequence = 1;
1060 void R_SkinFrame_MarkUsed(skinframe_t *skinframe)
1064 // mark the skinframe as used for the purging code
1065 skinframe->loadsequence = r_skinframe.loadsequence;
1068 void R_SkinFrame_Purge(void)
1072 for (i = 0;i < SKINFRAME_HASH;i++)
1074 for (s = r_skinframe.hash[i];s;s = s->next)
1076 if (s->loadsequence && s->loadsequence != r_skinframe.loadsequence)
1078 if (s->base == r_texture_notexture) s->base = NULL;
1079 if (s->nmap == r_texture_blanknormalmap)s->nmap = NULL;
1080 if (s->merged == s->base) s->merged = NULL;
1081 if (s->stain ) R_FreeTexture(s->stain );s->stain = NULL;
1082 if (s->merged) R_FreeTexture(s->merged);s->merged = NULL;
1083 if (s->base ) R_FreeTexture(s->base );s->base = NULL;
1084 if (s->pants ) R_FreeTexture(s->pants );s->pants = NULL;
1085 if (s->shirt ) R_FreeTexture(s->shirt );s->shirt = NULL;
1086 if (s->nmap ) R_FreeTexture(s->nmap );s->nmap = NULL;
1087 if (s->gloss ) R_FreeTexture(s->gloss );s->gloss = NULL;
1088 if (s->glow ) R_FreeTexture(s->glow );s->glow = NULL;
1089 if (s->fog ) R_FreeTexture(s->fog );s->fog = NULL;
1090 s->loadsequence = 0;
1096 skinframe_t *R_SkinFrame_Find(const char *name, int textureflags, int comparewidth, int compareheight, int comparecrc, qboolean add)
1100 char basename[MAX_QPATH];
1102 Image_StripImageExtension(name, basename, sizeof(basename));
1104 hashindex = CRC_Block((unsigned char *)basename, strlen(basename)) & (SKINFRAME_HASH - 1);
1105 for (item = r_skinframe.hash[hashindex];item;item = item->next)
1106 if (!strcmp(item->basename, basename) && item->textureflags == textureflags && item->comparewidth == comparewidth && item->compareheight == compareheight && item->comparecrc == comparecrc)
1112 item = (skinframe_t *)Mem_ExpandableArray_AllocRecord(&r_skinframe.array);
1113 memset(item, 0, sizeof(*item));
1114 strlcpy(item->basename, basename, sizeof(item->basename));
1115 item->textureflags = textureflags;
1116 item->comparewidth = comparewidth;
1117 item->compareheight = compareheight;
1118 item->comparecrc = comparecrc;
1119 item->next = r_skinframe.hash[hashindex];
1120 r_skinframe.hash[hashindex] = item;
1122 R_SkinFrame_MarkUsed(item);
1126 skinframe_t *R_SkinFrame_LoadExternal(const char *name, int textureflags, qboolean complain)
1128 // FIXME: it should be possible to disable loading various layers using
1129 // cvars, to prevent wasted loading time and memory usage if the user does
1131 qboolean loadnormalmap = true;
1132 qboolean loadgloss = true;
1133 qboolean loadpantsandshirt = true;
1134 qboolean loadglow = true;
1136 unsigned char *pixels;
1137 unsigned char *bumppixels;
1138 unsigned char *basepixels = NULL;
1139 int basepixels_width;
1140 int basepixels_height;
1141 skinframe_t *skinframe;
1143 if (cls.state == ca_dedicated)
1146 // return an existing skinframe if already loaded
1147 // if loading of the first image fails, don't make a new skinframe as it
1148 // would cause all future lookups of this to be missing
1149 skinframe = R_SkinFrame_Find(name, textureflags, 0, 0, 0, false);
1150 if (skinframe && skinframe->base)
1153 basepixels = loadimagepixels(name, complain, 0, 0);
1154 if (basepixels == NULL)
1157 // we've got some pixels to store, so really allocate this new texture now
1159 skinframe = R_SkinFrame_Find(name, textureflags, 0, 0, 0, true);
1160 skinframe->stain = NULL;
1161 skinframe->merged = NULL;
1162 skinframe->base = r_texture_notexture;
1163 skinframe->pants = NULL;
1164 skinframe->shirt = NULL;
1165 skinframe->nmap = r_texture_blanknormalmap;
1166 skinframe->gloss = NULL;
1167 skinframe->glow = NULL;
1168 skinframe->fog = NULL;
1170 basepixels_width = image_width;
1171 basepixels_height = image_height;
1172 skinframe->base = R_LoadTexture2D (r_main_texturepool, skinframe->basename, basepixels_width, basepixels_height, basepixels, TEXTYPE_RGBA, skinframe->textureflags, NULL);
1174 if (textureflags & TEXF_ALPHA)
1176 for (j = 3;j < basepixels_width * basepixels_height * 4;j += 4)
1177 if (basepixels[j] < 255)
1179 if (j < basepixels_width * basepixels_height * 4)
1181 // has transparent pixels
1182 pixels = (unsigned char *)Mem_Alloc(tempmempool, image_width * image_height * 4);
1183 for (j = 0;j < image_width * image_height * 4;j += 4)
1188 pixels[j+3] = basepixels[j+3];
1190 skinframe->fog = R_LoadTexture2D (r_main_texturepool, va("%s_mask", skinframe->basename), image_width, image_height, pixels, TEXTYPE_RGBA, skinframe->textureflags, NULL);
1195 // _norm is the name used by tenebrae and has been adopted as standard
1198 if ((pixels = loadimagepixels(va("%s_norm", skinframe->basename), false, 0, 0)) != NULL)
1200 skinframe->nmap = R_LoadTexture2D (r_main_texturepool, va("%s_nmap", skinframe->basename), image_width, image_height, pixels, TEXTYPE_RGBA, skinframe->textureflags, NULL);
1204 else if (r_shadow_bumpscale_bumpmap.value > 0 && (bumppixels = loadimagepixels(va("%s_bump", skinframe->basename), false, 0, 0)) != NULL)
1206 pixels = (unsigned char *)Mem_Alloc(tempmempool, image_width * image_height * 4);
1207 Image_HeightmapToNormalmap(bumppixels, pixels, image_width, image_height, false, r_shadow_bumpscale_bumpmap.value);
1208 skinframe->nmap = R_LoadTexture2D (r_main_texturepool, va("%s_nmap", skinframe->basename), image_width, image_height, pixels, TEXTYPE_RGBA, skinframe->textureflags, NULL);
1210 Mem_Free(bumppixels);
1212 else if (r_shadow_bumpscale_basetexture.value > 0)
1214 pixels = (unsigned char *)Mem_Alloc(tempmempool, basepixels_width * basepixels_height * 4);
1215 Image_HeightmapToNormalmap(basepixels, pixels, basepixels_width, basepixels_height, false, r_shadow_bumpscale_basetexture.value);
1216 skinframe->nmap = R_LoadTexture2D (r_main_texturepool, va("%s_nmap", skinframe->basename), basepixels_width, basepixels_height, pixels, TEXTYPE_RGBA, skinframe->textureflags, NULL);
1220 // _luma is supported for tenebrae compatibility
1221 // (I think it's a very stupid name, but oh well)
1222 // _glow is the preferred name
1223 if (loadglow && ((pixels = loadimagepixels(va("%s_glow", skinframe->basename), false, 0, 0)) != NULL || (pixels = loadimagepixels(va("%s_luma", skinframe->basename), false, 0, 0)) != NULL)) {skinframe->glow = R_LoadTexture2D (r_main_texturepool, va("%s_glow", skinframe->basename), image_width, image_height, pixels, TEXTYPE_RGBA, skinframe->textureflags, NULL);Mem_Free(pixels);pixels = NULL;}
1224 if (loadgloss && (pixels = loadimagepixels(va("%s_gloss", skinframe->basename), false, 0, 0)) != NULL) {skinframe->gloss = R_LoadTexture2D (r_main_texturepool, va("%s_gloss", skinframe->basename), image_width, image_height, pixels, TEXTYPE_RGBA, skinframe->textureflags, NULL);Mem_Free(pixels);pixels = NULL;}
1225 if (loadpantsandshirt && (pixels = loadimagepixels(va("%s_pants", skinframe->basename), false, 0, 0)) != NULL) {skinframe->pants = R_LoadTexture2D (r_main_texturepool, va("%s_pants", skinframe->basename), image_width, image_height, pixels, TEXTYPE_RGBA, skinframe->textureflags, NULL);Mem_Free(pixels);pixels = NULL;}
1226 if (loadpantsandshirt && (pixels = loadimagepixels(va("%s_shirt", skinframe->basename), false, 0, 0)) != NULL) {skinframe->shirt = R_LoadTexture2D (r_main_texturepool, va("%s_shirt", skinframe->basename), image_width, image_height, pixels, TEXTYPE_RGBA, skinframe->textureflags, NULL);Mem_Free(pixels);pixels = NULL;}
1229 Mem_Free(basepixels);
1234 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)
1239 for (i = 0;i < width*height;i++)
1240 if (((unsigned char *)&palette[in[i]])[3] > 0)
1242 if (i == width*height)
1245 return R_LoadTexture2D (r_main_texturepool, name, width, height, in, TEXTYPE_PALETTE, textureflags, palette);
1248 skinframe_t *R_SkinFrame_LoadInternal(const char *name, int textureflags, int loadpantsandshirt, int loadglowtexture, const unsigned char *skindata, int width, int height, int bitsperpixel, const unsigned int *palette, const unsigned int *alphapalette)
1251 unsigned char *temp1, *temp2;
1252 skinframe_t *skinframe;
1254 if (cls.state == ca_dedicated)
1257 // if already loaded just return it, otherwise make a new skinframe
1258 skinframe = R_SkinFrame_Find(name, textureflags, width, height, skindata ? CRC_Block(skindata, width*height*bitsperpixel/8) : 0, true);
1259 if (skinframe && skinframe->base)
1262 skinframe->stain = NULL;
1263 skinframe->merged = NULL;
1264 skinframe->base = r_texture_notexture;
1265 skinframe->pants = NULL;
1266 skinframe->shirt = NULL;
1267 skinframe->nmap = r_texture_blanknormalmap;
1268 skinframe->gloss = NULL;
1269 skinframe->glow = NULL;
1270 skinframe->fog = NULL;
1272 // if no data was provided, then clearly the caller wanted to get a blank skinframe
1276 if (bitsperpixel == 32)
1278 if (r_shadow_bumpscale_basetexture.value > 0)
1280 temp1 = (unsigned char *)Mem_Alloc(tempmempool, width * height * 8);
1281 temp2 = temp1 + width * height * 4;
1282 Image_HeightmapToNormalmap(skindata, temp2, width, height, false, r_shadow_bumpscale_basetexture.value);
1283 skinframe->nmap = R_LoadTexture2D(r_main_texturepool, va("%s_nmap", skinframe->basename), width, height, temp2, TEXTYPE_RGBA, textureflags | TEXF_ALPHA, NULL);
1286 skinframe->base = skinframe->merged = R_LoadTexture2D(r_main_texturepool, skinframe->basename, width, height, skindata, TEXTYPE_RGBA, textureflags, NULL);
1287 if (textureflags & TEXF_ALPHA)
1289 for (i = 3;i < width * height * 4;i += 4)
1290 if (skindata[i] < 255)
1292 if (i < width * height * 4)
1294 unsigned char *fogpixels = (unsigned char *)Mem_Alloc(tempmempool, width * height * 4);
1295 memcpy(fogpixels, skindata, width * height * 4);
1296 for (i = 0;i < width * height * 4;i += 4)
1297 fogpixels[i] = fogpixels[i+1] = fogpixels[i+2] = 255;
1298 skinframe->fog = R_LoadTexture2D(r_main_texturepool, va("%s_fog", skinframe->basename), width, height, fogpixels, TEXTYPE_RGBA, textureflags, NULL);
1299 Mem_Free(fogpixels);
1303 else if (bitsperpixel == 8)
1305 if (r_shadow_bumpscale_basetexture.value > 0)
1307 temp1 = (unsigned char *)Mem_Alloc(tempmempool, width * height * 8);
1308 temp2 = temp1 + width * height * 4;
1309 if (bitsperpixel == 32)
1310 Image_HeightmapToNormalmap(skindata, temp2, width, height, false, r_shadow_bumpscale_basetexture.value);
1313 // use either a custom palette or the quake palette
1314 Image_Copy8bitRGBA(skindata, temp1, width * height, palette ? palette : palette_complete);
1315 Image_HeightmapToNormalmap(temp1, temp2, width, height, false, r_shadow_bumpscale_basetexture.value);
1317 skinframe->nmap = R_LoadTexture2D(r_main_texturepool, va("%s_nmap", skinframe->basename), width, height, temp2, TEXTYPE_RGBA, textureflags | TEXF_ALPHA, NULL);
1320 // use either a custom palette, or the quake palette
1321 skinframe->base = skinframe->merged = R_SkinFrame_TextureForSkinLayer(skindata, width, height, va("%s_merged", skinframe->basename), palette ? palette : (loadglowtexture ? palette_nofullbrights : ((textureflags & TEXF_ALPHA) ? palette_transparent : palette_complete)), textureflags, true); // all
1322 if (!palette && loadglowtexture)
1323 skinframe->glow = R_SkinFrame_TextureForSkinLayer(skindata, width, height, va("%s_glow", skinframe->basename), palette_onlyfullbrights, textureflags, false); // glow
1324 if (!palette && loadpantsandshirt)
1326 skinframe->pants = R_SkinFrame_TextureForSkinLayer(skindata, width, height, va("%s_pants", skinframe->basename), palette_pantsaswhite, textureflags, false); // pants
1327 skinframe->shirt = R_SkinFrame_TextureForSkinLayer(skindata, width, height, va("%s_shirt", skinframe->basename), palette_shirtaswhite, textureflags, false); // shirt
1329 if (skinframe->pants || skinframe->shirt)
1330 skinframe->base = R_SkinFrame_TextureForSkinLayer(skindata, width, height, va("%s_nospecial", skinframe->basename),loadglowtexture ? palette_nocolormapnofullbrights : palette_nocolormap, textureflags, false); // no special colors
1331 if (textureflags & TEXF_ALPHA)
1333 // if not using a custom alphapalette, use the quake one
1335 alphapalette = palette_alpha;
1336 for (i = 0;i < width * height;i++)
1337 if (((unsigned char *)alphapalette)[skindata[i]*4+3] < 255)
1339 if (i < width * height)
1340 skinframe->fog = R_SkinFrame_TextureForSkinLayer(skindata, width, height, va("%s_fog", skinframe->basename), alphapalette, textureflags, true); // fog mask
1347 skinframe_t *R_SkinFrame_LoadMissing(void)
1349 skinframe_t *skinframe;
1351 if (cls.state == ca_dedicated)
1354 skinframe = R_SkinFrame_Find("missing", TEXF_PRECACHE, 0, 0, 0, true);
1355 skinframe->stain = NULL;
1356 skinframe->merged = NULL;
1357 skinframe->base = r_texture_notexture;
1358 skinframe->pants = NULL;
1359 skinframe->shirt = NULL;
1360 skinframe->nmap = r_texture_blanknormalmap;
1361 skinframe->gloss = NULL;
1362 skinframe->glow = NULL;
1363 skinframe->fog = NULL;
1368 void gl_main_start(void)
1373 r = (-1.0/256.0) * (FOGMASKTABLEWIDTH * FOGMASKTABLEWIDTH);
1374 for (x = 0;x < FOGMASKTABLEWIDTH;x++)
1376 alpha = 1 - exp(r / ((double)x*(double)x));
1377 if (x == FOGMASKTABLEWIDTH - 1)
1379 r_refdef.fogmasktable[x] = bound(0, alpha, 1);
1382 memset(r_qwskincache, 0, sizeof(r_qwskincache));
1383 memset(r_qwskincache_skinframe, 0, sizeof(r_qwskincache_skinframe));
1385 // set up r_skinframe loading system for textures
1386 memset(&r_skinframe, 0, sizeof(r_skinframe));
1387 r_skinframe.loadsequence = 1;
1388 Mem_ExpandableArray_NewArray(&r_skinframe.array, r_main_mempool, sizeof(skinframe_t), 256);
1390 r_main_texturepool = R_AllocTexturePool();
1391 R_BuildBlankTextures();
1393 if (gl_texturecubemap)
1396 R_BuildNormalizationCube();
1398 R_BuildFogTexture();
1399 memset(&r_bloomstate, 0, sizeof(r_bloomstate));
1400 memset(r_glsl_permutations, 0, sizeof(r_glsl_permutations));
1401 memset(&r_svbsp, 0, sizeof (r_svbsp));
1404 void gl_main_shutdown(void)
1406 memset(r_qwskincache, 0, sizeof(r_qwskincache));
1407 memset(r_qwskincache_skinframe, 0, sizeof(r_qwskincache_skinframe));
1409 // clear out the r_skinframe state
1410 Mem_ExpandableArray_FreeArray(&r_skinframe.array);
1411 memset(&r_skinframe, 0, sizeof(r_skinframe));
1414 Mem_Free(r_svbsp.nodes);
1415 memset(&r_svbsp, 0, sizeof (r_svbsp));
1416 R_FreeTexturePool(&r_main_texturepool);
1417 r_texture_blanknormalmap = NULL;
1418 r_texture_white = NULL;
1419 r_texture_black = NULL;
1420 r_texture_whitecube = NULL;
1421 r_texture_normalizationcube = NULL;
1422 memset(&r_bloomstate, 0, sizeof(r_bloomstate));
1426 extern void CL_ParseEntityLump(char *entitystring);
1427 void gl_main_newmap(void)
1429 // FIXME: move this code to client
1431 char *entities, entname[MAX_QPATH];
1434 strlcpy(entname, cl.worldmodel->name, sizeof(entname));
1435 l = (int)strlen(entname) - 4;
1436 if (l >= 0 && !strcmp(entname + l, ".bsp"))
1438 memcpy(entname + l, ".ent", 5);
1439 if ((entities = (char *)FS_LoadFile(entname, tempmempool, true, NULL)))
1441 CL_ParseEntityLump(entities);
1446 if (cl.worldmodel->brush.entities)
1447 CL_ParseEntityLump(cl.worldmodel->brush.entities);
1451 void GL_Main_Init(void)
1453 r_main_mempool = Mem_AllocPool("Renderer", 0, NULL);
1455 Cmd_AddCommand("r_glsl_restart", R_GLSL_Restart_f, "unloads GLSL shaders, they will then be reloaded as needed");
1456 // FIXME: the client should set up r_refdef.fog stuff including the fogmasktable
1457 if (gamemode == GAME_NEHAHRA)
1459 Cvar_RegisterVariable (&gl_fogenable);
1460 Cvar_RegisterVariable (&gl_fogdensity);
1461 Cvar_RegisterVariable (&gl_fogred);
1462 Cvar_RegisterVariable (&gl_foggreen);
1463 Cvar_RegisterVariable (&gl_fogblue);
1464 Cvar_RegisterVariable (&gl_fogstart);
1465 Cvar_RegisterVariable (&gl_fogend);
1467 Cvar_RegisterVariable(&r_depthfirst);
1468 Cvar_RegisterVariable(&r_nearclip);
1469 Cvar_RegisterVariable(&r_showbboxes);
1470 Cvar_RegisterVariable(&r_showsurfaces);
1471 Cvar_RegisterVariable(&r_showtris);
1472 Cvar_RegisterVariable(&r_shownormals);
1473 Cvar_RegisterVariable(&r_showlighting);
1474 Cvar_RegisterVariable(&r_showshadowvolumes);
1475 Cvar_RegisterVariable(&r_showcollisionbrushes);
1476 Cvar_RegisterVariable(&r_showcollisionbrushes_polygonfactor);
1477 Cvar_RegisterVariable(&r_showcollisionbrushes_polygonoffset);
1478 Cvar_RegisterVariable(&r_showdisabledepthtest);
1479 Cvar_RegisterVariable(&r_drawportals);
1480 Cvar_RegisterVariable(&r_drawentities);
1481 Cvar_RegisterVariable(&r_cullentities_trace);
1482 Cvar_RegisterVariable(&r_cullentities_trace_samples);
1483 Cvar_RegisterVariable(&r_cullentities_trace_enlarge);
1484 Cvar_RegisterVariable(&r_cullentities_trace_delay);
1485 Cvar_RegisterVariable(&r_drawviewmodel);
1486 Cvar_RegisterVariable(&r_speeds);
1487 Cvar_RegisterVariable(&r_fullbrights);
1488 Cvar_RegisterVariable(&r_wateralpha);
1489 Cvar_RegisterVariable(&r_dynamic);
1490 Cvar_RegisterVariable(&r_fullbright);
1491 Cvar_RegisterVariable(&r_shadows);
1492 Cvar_RegisterVariable(&r_shadows_throwdistance);
1493 Cvar_RegisterVariable(&r_q1bsp_skymasking);
1494 Cvar_RegisterVariable(&r_textureunits);
1495 Cvar_RegisterVariable(&r_glsl);
1496 Cvar_RegisterVariable(&r_glsl_offsetmapping);
1497 Cvar_RegisterVariable(&r_glsl_offsetmapping_reliefmapping);
1498 Cvar_RegisterVariable(&r_glsl_offsetmapping_scale);
1499 Cvar_RegisterVariable(&r_glsl_deluxemapping);
1500 Cvar_RegisterVariable(&r_lerpsprites);
1501 Cvar_RegisterVariable(&r_lerpmodels);
1502 Cvar_RegisterVariable(&r_waterscroll);
1503 Cvar_RegisterVariable(&r_bloom);
1504 Cvar_RegisterVariable(&r_bloom_colorscale);
1505 Cvar_RegisterVariable(&r_bloom_brighten);
1506 Cvar_RegisterVariable(&r_bloom_blur);
1507 Cvar_RegisterVariable(&r_bloom_resolution);
1508 Cvar_RegisterVariable(&r_bloom_colorexponent);
1509 Cvar_RegisterVariable(&r_bloom_colorsubtract);
1510 Cvar_RegisterVariable(&r_hdr);
1511 Cvar_RegisterVariable(&r_hdr_scenebrightness);
1512 Cvar_RegisterVariable(&r_hdr_glowintensity);
1513 Cvar_RegisterVariable(&r_hdr_range);
1514 Cvar_RegisterVariable(&r_smoothnormals_areaweighting);
1515 Cvar_RegisterVariable(&developer_texturelogging);
1516 Cvar_RegisterVariable(&gl_lightmaps);
1517 Cvar_RegisterVariable(&r_test);
1518 Cvar_RegisterVariable(&r_batchmode);
1519 if (gamemode == GAME_NEHAHRA || gamemode == GAME_TENEBRAE)
1520 Cvar_SetValue("r_fullbrights", 0);
1521 R_RegisterModule("GL_Main", gl_main_start, gl_main_shutdown, gl_main_newmap);
1524 extern void R_Textures_Init(void);
1525 extern void GL_Draw_Init(void);
1526 extern void GL_Main_Init(void);
1527 extern void R_Shadow_Init(void);
1528 extern void R_Sky_Init(void);
1529 extern void GL_Surf_Init(void);
1530 extern void R_Light_Init(void);
1531 extern void R_Particles_Init(void);
1532 extern void R_Explosion_Init(void);
1533 extern void gl_backend_init(void);
1534 extern void Sbar_Init(void);
1535 extern void R_LightningBeams_Init(void);
1536 extern void Mod_RenderInit(void);
1538 void Render_Init(void)
1551 R_LightningBeams_Init();
1560 extern char *ENGINE_EXTENSIONS;
1563 VID_CheckExtensions();
1565 // LordHavoc: report supported extensions
1566 Con_DPrintf("\nQuakeC extensions for server and client: %s\nQuakeC extensions for menu: %s\n", vm_sv_extensions, vm_m_extensions );
1568 // clear to black (loading plaque will be seen over this)
1570 qglClearColor(0,0,0,1);CHECKGLERROR
1571 qglClear(GL_COLOR_BUFFER_BIT);CHECKGLERROR
1574 int R_CullBox(const vec3_t mins, const vec3_t maxs)
1578 for (i = 0;i < 4;i++)
1580 p = r_view.frustum + i;
1585 if (p->normal[0]*maxs[0] + p->normal[1]*maxs[1] + p->normal[2]*maxs[2] < p->dist)
1589 if (p->normal[0]*mins[0] + p->normal[1]*maxs[1] + p->normal[2]*maxs[2] < p->dist)
1593 if (p->normal[0]*maxs[0] + p->normal[1]*mins[1] + p->normal[2]*maxs[2] < p->dist)
1597 if (p->normal[0]*mins[0] + p->normal[1]*mins[1] + p->normal[2]*maxs[2] < p->dist)
1601 if (p->normal[0]*maxs[0] + p->normal[1]*maxs[1] + p->normal[2]*mins[2] < p->dist)
1605 if (p->normal[0]*mins[0] + p->normal[1]*maxs[1] + p->normal[2]*mins[2] < p->dist)
1609 if (p->normal[0]*maxs[0] + p->normal[1]*mins[1] + p->normal[2]*mins[2] < p->dist)
1613 if (p->normal[0]*mins[0] + p->normal[1]*mins[1] + p->normal[2]*mins[2] < p->dist)
1621 int R_CullBoxCustomPlanes(const vec3_t mins, const vec3_t maxs, int numplanes, const mplane_t *planes)
1625 for (i = 0;i < numplanes;i++)
1632 if (p->normal[0]*maxs[0] + p->normal[1]*maxs[1] + p->normal[2]*maxs[2] < p->dist)
1636 if (p->normal[0]*mins[0] + p->normal[1]*maxs[1] + p->normal[2]*maxs[2] < p->dist)
1640 if (p->normal[0]*maxs[0] + p->normal[1]*mins[1] + p->normal[2]*maxs[2] < p->dist)
1644 if (p->normal[0]*mins[0] + p->normal[1]*mins[1] + p->normal[2]*maxs[2] < p->dist)
1648 if (p->normal[0]*maxs[0] + p->normal[1]*maxs[1] + p->normal[2]*mins[2] < p->dist)
1652 if (p->normal[0]*mins[0] + p->normal[1]*maxs[1] + p->normal[2]*mins[2] < p->dist)
1656 if (p->normal[0]*maxs[0] + p->normal[1]*mins[1] + p->normal[2]*mins[2] < p->dist)
1660 if (p->normal[0]*mins[0] + p->normal[1]*mins[1] + p->normal[2]*mins[2] < p->dist)
1668 //==================================================================================
1670 static void R_UpdateEntityLighting(entity_render_t *ent)
1672 vec3_t tempdiffusenormal;
1674 // fetch the lighting from the worldmodel data
1675 VectorSet(ent->modellight_ambient, r_ambient.value * (2.0f / 128.0f), r_ambient.value * (2.0f / 128.0f), r_ambient.value * (2.0f / 128.0f));
1676 VectorClear(ent->modellight_diffuse);
1677 VectorClear(tempdiffusenormal);
1678 if ((ent->flags & RENDER_LIGHT) && r_refdef.worldmodel && r_refdef.worldmodel->brush.LightPoint)
1681 Matrix4x4_OriginFromMatrix(&ent->matrix, org);
1682 r_refdef.worldmodel->brush.LightPoint(r_refdef.worldmodel, org, ent->modellight_ambient, ent->modellight_diffuse, tempdiffusenormal);
1685 VectorSet(ent->modellight_ambient, 1, 1, 1);
1687 // move the light direction into modelspace coordinates for lighting code
1688 Matrix4x4_Transform3x3(&ent->inversematrix, tempdiffusenormal, ent->modellight_lightdir);
1689 if(VectorLength2(ent->modellight_lightdir) > 0)
1691 VectorNormalize(ent->modellight_lightdir);
1695 VectorSet(ent->modellight_lightdir, 0, 0, 1); // have to set SOME valid vector here
1698 // scale ambient and directional light contributions according to rendering variables
1699 ent->modellight_ambient[0] *= ent->colormod[0] * r_refdef.lightmapintensity;
1700 ent->modellight_ambient[1] *= ent->colormod[1] * r_refdef.lightmapintensity;
1701 ent->modellight_ambient[2] *= ent->colormod[2] * r_refdef.lightmapintensity;
1702 ent->modellight_diffuse[0] *= ent->colormod[0] * r_refdef.lightmapintensity;
1703 ent->modellight_diffuse[1] *= ent->colormod[1] * r_refdef.lightmapintensity;
1704 ent->modellight_diffuse[2] *= ent->colormod[2] * r_refdef.lightmapintensity;
1707 static void R_View_UpdateEntityVisible (void)
1710 entity_render_t *ent;
1712 if (!r_drawentities.integer)
1715 renderimask = r_refdef.envmap ? (RENDER_EXTERIORMODEL | RENDER_VIEWMODEL) : (chase_active.integer ? 0 : RENDER_EXTERIORMODEL);
1716 if (r_refdef.worldmodel && r_refdef.worldmodel->brush.BoxTouchingVisibleLeafs)
1718 // worldmodel can check visibility
1719 for (i = 0;i < r_refdef.numentities;i++)
1721 ent = r_refdef.entities[i];
1722 r_viewcache.entityvisible[i] = !(ent->flags & renderimask) && !R_CullBox(ent->mins, ent->maxs) && ((ent->effects & EF_NODEPTHTEST) || (ent->flags & RENDER_VIEWMODEL) || r_refdef.worldmodel->brush.BoxTouchingVisibleLeafs(r_refdef.worldmodel, r_viewcache.world_leafvisible, ent->mins, ent->maxs));
1724 if(r_cullentities_trace.integer)
1726 for (i = 0;i < r_refdef.numentities;i++)
1728 ent = r_refdef.entities[i];
1729 if(r_viewcache.entityvisible[i] && !(ent->effects & EF_NODEPTHTEST) && !(ent->flags & RENDER_VIEWMODEL) && !(ent->model && (ent->model->name[0] == '*')))
1731 if(Mod_CanSeeBox_Trace(r_cullentities_trace_samples.integer, r_cullentities_trace_enlarge.value, r_refdef.worldmodel, r_view.origin, ent->mins, ent->maxs))
1732 ent->last_trace_visibility = realtime;
1733 if(ent->last_trace_visibility < realtime - r_cullentities_trace_delay.value)
1734 r_viewcache.entityvisible[i] = 0;
1741 // no worldmodel or it can't check visibility
1742 for (i = 0;i < r_refdef.numentities;i++)
1744 ent = r_refdef.entities[i];
1745 r_viewcache.entityvisible[i] = !(ent->flags & renderimask) && !R_CullBox(ent->mins, ent->maxs);
1749 // update entity lighting (even on hidden entities for r_shadows)
1750 for (i = 0;i < r_refdef.numentities;i++)
1751 R_UpdateEntityLighting(r_refdef.entities[i]);
1754 // only used if skyrendermasked, and normally returns false
1755 int R_DrawBrushModelsSky (void)
1758 entity_render_t *ent;
1760 if (!r_drawentities.integer)
1764 for (i = 0;i < r_refdef.numentities;i++)
1766 if (!r_viewcache.entityvisible[i])
1768 ent = r_refdef.entities[i];
1769 if (!ent->model || !ent->model->DrawSky)
1771 ent->model->DrawSky(ent);
1777 void R_DrawNoModel(entity_render_t *ent);
1778 void R_DrawModels(void)
1781 entity_render_t *ent;
1783 if (!r_drawentities.integer)
1786 for (i = 0;i < r_refdef.numentities;i++)
1788 if (!r_viewcache.entityvisible[i])
1790 ent = r_refdef.entities[i];
1791 r_refdef.stats.entities++;
1792 if (ent->model && ent->model->Draw != NULL)
1793 ent->model->Draw(ent);
1799 void R_DrawModelsDepth(void)
1802 entity_render_t *ent;
1804 if (!r_drawentities.integer)
1807 for (i = 0;i < r_refdef.numentities;i++)
1809 if (!r_viewcache.entityvisible[i])
1811 ent = r_refdef.entities[i];
1812 r_refdef.stats.entities++;
1813 if (ent->model && ent->model->DrawDepth != NULL)
1814 ent->model->DrawDepth(ent);
1818 static void R_View_SetFrustum(void)
1820 double slopex, slopey;
1822 // break apart the view matrix into vectors for various purposes
1823 Matrix4x4_ToVectors(&r_view.matrix, r_view.forward, r_view.left, r_view.up, r_view.origin);
1824 VectorNegate(r_view.left, r_view.right);
1827 r_view.frustum[0].normal[0] = 0 - 1.0 / r_view.frustum_x;
1828 r_view.frustum[0].normal[1] = 0 - 0;
1829 r_view.frustum[0].normal[2] = -1 - 0;
1830 r_view.frustum[1].normal[0] = 0 + 1.0 / r_view.frustum_x;
1831 r_view.frustum[1].normal[1] = 0 + 0;
1832 r_view.frustum[1].normal[2] = -1 + 0;
1833 r_view.frustum[2].normal[0] = 0 - 0;
1834 r_view.frustum[2].normal[1] = 0 - 1.0 / r_view.frustum_y;
1835 r_view.frustum[2].normal[2] = -1 - 0;
1836 r_view.frustum[3].normal[0] = 0 + 0;
1837 r_view.frustum[3].normal[1] = 0 + 1.0 / r_view.frustum_y;
1838 r_view.frustum[3].normal[2] = -1 + 0;
1842 zNear = r_refdef.nearclip;
1843 nudge = 1.0 - 1.0 / (1<<23);
1844 r_view.frustum[4].normal[0] = 0 - 0;
1845 r_view.frustum[4].normal[1] = 0 - 0;
1846 r_view.frustum[4].normal[2] = -1 - -nudge;
1847 r_view.frustum[4].dist = 0 - -2 * zNear * nudge;
1848 r_view.frustum[5].normal[0] = 0 + 0;
1849 r_view.frustum[5].normal[1] = 0 + 0;
1850 r_view.frustum[5].normal[2] = -1 + -nudge;
1851 r_view.frustum[5].dist = 0 + -2 * zNear * nudge;
1857 r_view.frustum[0].normal[0] = m[3] - m[0];
1858 r_view.frustum[0].normal[1] = m[7] - m[4];
1859 r_view.frustum[0].normal[2] = m[11] - m[8];
1860 r_view.frustum[0].dist = m[15] - m[12];
1862 r_view.frustum[1].normal[0] = m[3] + m[0];
1863 r_view.frustum[1].normal[1] = m[7] + m[4];
1864 r_view.frustum[1].normal[2] = m[11] + m[8];
1865 r_view.frustum[1].dist = m[15] + m[12];
1867 r_view.frustum[2].normal[0] = m[3] - m[1];
1868 r_view.frustum[2].normal[1] = m[7] - m[5];
1869 r_view.frustum[2].normal[2] = m[11] - m[9];
1870 r_view.frustum[2].dist = m[15] - m[13];
1872 r_view.frustum[3].normal[0] = m[3] + m[1];
1873 r_view.frustum[3].normal[1] = m[7] + m[5];
1874 r_view.frustum[3].normal[2] = m[11] + m[9];
1875 r_view.frustum[3].dist = m[15] + m[13];
1877 r_view.frustum[4].normal[0] = m[3] - m[2];
1878 r_view.frustum[4].normal[1] = m[7] - m[6];
1879 r_view.frustum[4].normal[2] = m[11] - m[10];
1880 r_view.frustum[4].dist = m[15] - m[14];
1882 r_view.frustum[5].normal[0] = m[3] + m[2];
1883 r_view.frustum[5].normal[1] = m[7] + m[6];
1884 r_view.frustum[5].normal[2] = m[11] + m[10];
1885 r_view.frustum[5].dist = m[15] + m[14];
1890 slopex = 1.0 / r_view.frustum_x;
1891 slopey = 1.0 / r_view.frustum_y;
1892 VectorMA(r_view.forward, -slopex, r_view.left, r_view.frustum[0].normal);
1893 VectorMA(r_view.forward, slopex, r_view.left, r_view.frustum[1].normal);
1894 VectorMA(r_view.forward, -slopey, r_view.up , r_view.frustum[2].normal);
1895 VectorMA(r_view.forward, slopey, r_view.up , r_view.frustum[3].normal);
1896 VectorCopy(r_view.forward, r_view.frustum[4].normal);
1897 VectorNormalize(r_view.frustum[0].normal);
1898 VectorNormalize(r_view.frustum[1].normal);
1899 VectorNormalize(r_view.frustum[2].normal);
1900 VectorNormalize(r_view.frustum[3].normal);
1901 r_view.frustum[0].dist = DotProduct (r_view.origin, r_view.frustum[0].normal);
1902 r_view.frustum[1].dist = DotProduct (r_view.origin, r_view.frustum[1].normal);
1903 r_view.frustum[2].dist = DotProduct (r_view.origin, r_view.frustum[2].normal);
1904 r_view.frustum[3].dist = DotProduct (r_view.origin, r_view.frustum[3].normal);
1905 r_view.frustum[4].dist = DotProduct (r_view.origin, r_view.frustum[4].normal) + r_refdef.nearclip;
1906 PlaneClassify(&r_view.frustum[0]);
1907 PlaneClassify(&r_view.frustum[1]);
1908 PlaneClassify(&r_view.frustum[2]);
1909 PlaneClassify(&r_view.frustum[3]);
1910 PlaneClassify(&r_view.frustum[4]);
1912 // calculate frustum corners, which are used to calculate deformed frustum planes for shadow caster culling
1913 VectorMAMAMAM(1, r_view.origin, 1024, r_view.forward, -1024 * slopex, r_view.left, -1024 * slopey, r_view.up, r_view.frustumcorner[0]);
1914 VectorMAMAMAM(1, r_view.origin, 1024, r_view.forward, 1024 * slopex, r_view.left, -1024 * slopey, r_view.up, r_view.frustumcorner[1]);
1915 VectorMAMAMAM(1, r_view.origin, 1024, r_view.forward, -1024 * slopex, r_view.left, 1024 * slopey, r_view.up, r_view.frustumcorner[2]);
1916 VectorMAMAMAM(1, r_view.origin, 1024, r_view.forward, 1024 * slopex, r_view.left, 1024 * slopey, r_view.up, r_view.frustumcorner[3]);
1918 // LordHavoc: note to all quake engine coders, Quake had a special case
1919 // for 90 degrees which assumed a square view (wrong), so I removed it,
1920 // Quake2 has it disabled as well.
1922 // rotate R_VIEWFORWARD right by FOV_X/2 degrees
1923 //RotatePointAroundVector( r_view.frustum[0].normal, r_view.up, r_view.forward, -(90 - r_refdef.fov_x / 2));
1924 //r_view.frustum[0].dist = DotProduct (r_view.origin, frustum[0].normal);
1925 //PlaneClassify(&frustum[0]);
1927 // rotate R_VIEWFORWARD left by FOV_X/2 degrees
1928 //RotatePointAroundVector( r_view.frustum[1].normal, r_view.up, r_view.forward, (90 - r_refdef.fov_x / 2));
1929 //r_view.frustum[1].dist = DotProduct (r_view.origin, frustum[1].normal);
1930 //PlaneClassify(&frustum[1]);
1932 // rotate R_VIEWFORWARD up by FOV_X/2 degrees
1933 //RotatePointAroundVector( r_view.frustum[2].normal, r_view.left, r_view.forward, -(90 - r_refdef.fov_y / 2));
1934 //r_view.frustum[2].dist = DotProduct (r_view.origin, frustum[2].normal);
1935 //PlaneClassify(&frustum[2]);
1937 // rotate R_VIEWFORWARD down by FOV_X/2 degrees
1938 //RotatePointAroundVector( r_view.frustum[3].normal, r_view.left, r_view.forward, (90 - r_refdef.fov_y / 2));
1939 //r_view.frustum[3].dist = DotProduct (r_view.origin, frustum[3].normal);
1940 //PlaneClassify(&frustum[3]);
1943 //VectorCopy(r_view.forward, r_view.frustum[4].normal);
1944 //r_view.frustum[4].dist = DotProduct (r_view.origin, frustum[4].normal) + r_nearclip.value;
1945 //PlaneClassify(&frustum[4]);
1948 void R_View_Update(void)
1950 R_View_SetFrustum();
1951 R_View_WorldVisibility();
1952 R_View_UpdateEntityVisible();
1955 void R_SetupView(const matrix4x4_t *matrix)
1957 if (r_refdef.rtworldshadows || r_refdef.rtdlightshadows)
1958 GL_SetupView_Mode_PerspectiveInfiniteFarClip(r_view.frustum_x, r_view.frustum_y, r_refdef.nearclip);
1960 GL_SetupView_Mode_Perspective(r_view.frustum_x, r_view.frustum_y, r_refdef.nearclip, r_refdef.farclip);
1962 GL_SetupView_Orientation_FromEntity(matrix);
1965 void R_ResetViewRendering2D(void)
1967 if (gl_support_fragment_shader)
1969 qglUseProgramObjectARB(0);CHECKGLERROR
1974 // GL is weird because it's bottom to top, r_view.y is top to bottom
1975 qglViewport(r_view.x, vid.height - (r_view.y + r_view.height), r_view.width, r_view.height);CHECKGLERROR
1976 GL_SetupView_Mode_Ortho(0, 0, 1, 1, -10, 100);
1977 GL_Scissor(r_view.x, r_view.y, r_view.width, r_view.height);
1978 GL_Color(1, 1, 1, 1);
1979 GL_ColorMask(r_view.colormask[0], r_view.colormask[1], r_view.colormask[2], 1);
1980 GL_BlendFunc(GL_ONE, GL_ZERO);
1981 GL_AlphaTest(false);
1982 GL_ScissorTest(false);
1983 GL_DepthMask(false);
1984 GL_DepthRange(0, 1);
1985 GL_DepthTest(false);
1986 R_Mesh_Matrix(&identitymatrix);
1987 R_Mesh_ResetTextureState();
1988 qglPolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);CHECKGLERROR
1989 qglEnable(GL_POLYGON_OFFSET_FILL);CHECKGLERROR
1990 qglDepthFunc(GL_LEQUAL);CHECKGLERROR
1991 qglDisable(GL_STENCIL_TEST);CHECKGLERROR
1992 qglStencilMask(~0);CHECKGLERROR
1993 qglStencilFunc(GL_ALWAYS, 128, ~0);CHECKGLERROR
1994 qglStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);CHECKGLERROR
1995 GL_CullFace(GL_FRONT); // quake is backwards, this culls back faces
1998 void R_ResetViewRendering3D(void)
2000 if (gl_support_fragment_shader)
2002 qglUseProgramObjectARB(0);CHECKGLERROR
2007 // GL is weird because it's bottom to top, r_view.y is top to bottom
2008 qglViewport(r_view.x, vid.height - (r_view.y + r_view.height), r_view.width, r_view.height);CHECKGLERROR
2009 R_SetupView(&r_view.matrix);
2010 GL_Scissor(r_view.x, r_view.y, r_view.width, r_view.height);
2011 GL_Color(1, 1, 1, 1);
2012 GL_ColorMask(r_view.colormask[0], r_view.colormask[1], r_view.colormask[2], 1);
2013 GL_BlendFunc(GL_ONE, GL_ZERO);
2014 GL_AlphaTest(false);
2015 GL_ScissorTest(true);
2017 GL_DepthRange(0, 1);
2019 R_Mesh_Matrix(&identitymatrix);
2020 R_Mesh_ResetTextureState();
2021 qglPolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);CHECKGLERROR
2022 qglEnable(GL_POLYGON_OFFSET_FILL);CHECKGLERROR
2023 qglDepthFunc(GL_LEQUAL);CHECKGLERROR
2024 qglDisable(GL_STENCIL_TEST);CHECKGLERROR
2025 qglStencilMask(~0);CHECKGLERROR
2026 qglStencilFunc(GL_ALWAYS, 128, ~0);CHECKGLERROR
2027 qglStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);CHECKGLERROR
2028 GL_CullFace(GL_FRONT); // quake is backwards, this culls back faces
2032 R_Bloom_SetupShader(
2034 "// written by Forest 'LordHavoc' Hale\n"
2036 "// common definitions between vertex shader and fragment shader:\n"
2038 "#ifdef __GLSL_CG_DATA_TYPES\n"
2039 "#define myhalf half\n"
2040 "#define myhvec2 hvec2\n"
2041 "#define myhvec3 hvec3\n"
2042 "#define myhvec4 hvec4\n"
2044 "#define myhalf float\n"
2045 "#define myhvec2 vec2\n"
2046 "#define myhvec3 vec3\n"
2047 "#define myhvec4 vec4\n"
2050 "varying vec2 ScreenTexCoord;\n"
2051 "varying vec2 BloomTexCoord;\n"
2056 "// vertex shader specific:\n"
2057 "#ifdef VERTEX_SHADER\n"
2061 " ScreenTexCoord = vec2(gl_MultiTexCoord0);\n"
2062 " BloomTexCoord = vec2(gl_MultiTexCoord1);\n"
2063 " // transform vertex to camera space, using ftransform to match non-VS\n"
2065 " gl_Position = ftransform();\n"
2068 "#endif // VERTEX_SHADER\n"
2073 "// fragment shader specific:\n"
2074 "#ifdef FRAGMENT_SHADER\n"
2079 " myhvec3 color = myhvec3(texture2D(Texture_Screen, ScreenTexCoord));\n"
2080 " for (x = -BLUR_X;x <= BLUR_X;x++)
2081 " color.rgb += myhvec3(texture2D(Texture_Bloom, BloomTexCoord));\n"
2082 " color.rgb += myhvec3(texture2D(Texture_Bloom, BloomTexCoord));\n"
2083 " color.rgb += myhvec3(texture2D(Texture_Bloom, BloomTexCoord));\n"
2084 " color.rgb += myhvec3(texture2D(Texture_Bloom, BloomTexCoord));\n"
2086 " gl_FragColor = vec4(color);\n"
2089 "#endif // FRAGMENT_SHADER\n"
2092 void R_RenderScene(void);
2094 void R_Bloom_StartFrame(void)
2096 int bloomtexturewidth, bloomtextureheight, screentexturewidth, screentextureheight;
2098 // set bloomwidth and bloomheight to the bloom resolution that will be
2099 // used (often less than the screen resolution for faster rendering)
2100 r_bloomstate.bloomwidth = bound(1, r_bloom_resolution.integer, r_view.width);
2101 r_bloomstate.bloomheight = r_bloomstate.bloomwidth * r_view.height / r_view.width;
2102 r_bloomstate.bloomheight = bound(1, r_bloomstate.bloomheight, r_view.height);
2104 // calculate desired texture sizes
2105 if (gl_support_arb_texture_non_power_of_two)
2107 screentexturewidth = r_view.width;
2108 screentextureheight = r_view.height;
2109 bloomtexturewidth = r_bloomstate.bloomwidth;
2110 bloomtextureheight = r_bloomstate.bloomheight;
2114 for (screentexturewidth = 1;screentexturewidth < vid.width ;screentexturewidth *= 2);
2115 for (screentextureheight = 1;screentextureheight < vid.height ;screentextureheight *= 2);
2116 for (bloomtexturewidth = 1;bloomtexturewidth < r_bloomstate.bloomwidth ;bloomtexturewidth *= 2);
2117 for (bloomtextureheight = 1;bloomtextureheight < r_bloomstate.bloomheight;bloomtextureheight *= 2);
2122 screentexturewidth = screentextureheight = 0;
2124 else if (r_bloom.integer)
2129 screentexturewidth = screentextureheight = 0;
2130 bloomtexturewidth = bloomtextureheight = 0;
2133 if ((!bloomtexturewidth && !bloomtextureheight) || r_bloom_resolution.integer < 4 || r_bloom_blur.value < 1 || r_bloom_blur.value >= 512 || screentexturewidth > gl_max_texture_size || screentextureheight > gl_max_texture_size || bloomtexturewidth > gl_max_texture_size || bloomtextureheight > gl_max_texture_size)
2135 // can't use bloom if the parameters are too weird
2136 // can't use bloom if the card does not support the texture size
2137 if (r_bloomstate.texture_screen)
2138 R_FreeTexture(r_bloomstate.texture_screen);
2139 if (r_bloomstate.texture_bloom)
2140 R_FreeTexture(r_bloomstate.texture_bloom);
2141 memset(&r_bloomstate, 0, sizeof(r_bloomstate));
2145 r_bloomstate.enabled = true;
2146 r_bloomstate.hdr = r_hdr.integer != 0;
2148 // allocate textures as needed
2149 if (r_bloomstate.screentexturewidth != screentexturewidth || r_bloomstate.screentextureheight != screentextureheight)
2151 if (r_bloomstate.texture_screen)
2152 R_FreeTexture(r_bloomstate.texture_screen);
2153 r_bloomstate.texture_screen = NULL;
2154 r_bloomstate.screentexturewidth = screentexturewidth;
2155 r_bloomstate.screentextureheight = screentextureheight;
2156 if (r_bloomstate.screentexturewidth && r_bloomstate.screentextureheight)
2157 r_bloomstate.texture_screen = R_LoadTexture2D(r_main_texturepool, "screen", r_bloomstate.screentexturewidth, r_bloomstate.screentextureheight, NULL, TEXTYPE_RGBA, TEXF_FORCENEAREST | TEXF_CLAMP | TEXF_ALWAYSPRECACHE, NULL);
2159 if (r_bloomstate.bloomtexturewidth != bloomtexturewidth || r_bloomstate.bloomtextureheight != bloomtextureheight)
2161 if (r_bloomstate.texture_bloom)
2162 R_FreeTexture(r_bloomstate.texture_bloom);
2163 r_bloomstate.texture_bloom = NULL;
2164 r_bloomstate.bloomtexturewidth = bloomtexturewidth;
2165 r_bloomstate.bloomtextureheight = bloomtextureheight;
2166 if (r_bloomstate.bloomtexturewidth && r_bloomstate.bloomtextureheight)
2167 r_bloomstate.texture_bloom = R_LoadTexture2D(r_main_texturepool, "bloom", r_bloomstate.bloomtexturewidth, r_bloomstate.bloomtextureheight, NULL, TEXTYPE_RGBA, TEXF_FORCELINEAR | TEXF_CLAMP | TEXF_ALWAYSPRECACHE, NULL);
2170 // set up a texcoord array for the full resolution screen image
2171 // (we have to keep this around to copy back during final render)
2172 r_bloomstate.screentexcoord2f[0] = 0;
2173 r_bloomstate.screentexcoord2f[1] = (float)r_view.height / (float)r_bloomstate.screentextureheight;
2174 r_bloomstate.screentexcoord2f[2] = (float)r_view.width / (float)r_bloomstate.screentexturewidth;
2175 r_bloomstate.screentexcoord2f[3] = (float)r_view.height / (float)r_bloomstate.screentextureheight;
2176 r_bloomstate.screentexcoord2f[4] = (float)r_view.width / (float)r_bloomstate.screentexturewidth;
2177 r_bloomstate.screentexcoord2f[5] = 0;
2178 r_bloomstate.screentexcoord2f[6] = 0;
2179 r_bloomstate.screentexcoord2f[7] = 0;
2181 // set up a texcoord array for the reduced resolution bloom image
2182 // (which will be additive blended over the screen image)
2183 r_bloomstate.bloomtexcoord2f[0] = 0;
2184 r_bloomstate.bloomtexcoord2f[1] = (float)r_bloomstate.bloomheight / (float)r_bloomstate.bloomtextureheight;
2185 r_bloomstate.bloomtexcoord2f[2] = (float)r_bloomstate.bloomwidth / (float)r_bloomstate.bloomtexturewidth;
2186 r_bloomstate.bloomtexcoord2f[3] = (float)r_bloomstate.bloomheight / (float)r_bloomstate.bloomtextureheight;
2187 r_bloomstate.bloomtexcoord2f[4] = (float)r_bloomstate.bloomwidth / (float)r_bloomstate.bloomtexturewidth;
2188 r_bloomstate.bloomtexcoord2f[5] = 0;
2189 r_bloomstate.bloomtexcoord2f[6] = 0;
2190 r_bloomstate.bloomtexcoord2f[7] = 0;
2193 void R_Bloom_CopyScreenTexture(float colorscale)
2195 r_refdef.stats.bloom++;
2197 R_ResetViewRendering2D();
2198 R_Mesh_VertexPointer(r_screenvertex3f, 0, 0);
2199 R_Mesh_ColorPointer(NULL, 0, 0);
2200 R_Mesh_TexCoordPointer(0, 2, r_bloomstate.screentexcoord2f, 0, 0);
2201 R_Mesh_TexBind(0, R_GetTexture(r_bloomstate.texture_screen));
2203 // copy view into the screen texture
2204 GL_ActiveTexture(0);
2206 qglCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, r_view.x, vid.height - (r_view.y + r_view.height), r_view.width, r_view.height);CHECKGLERROR
2207 r_refdef.stats.bloom_copypixels += r_view.width * r_view.height;
2209 // now scale it down to the bloom texture size
2211 qglViewport(r_view.x, vid.height - (r_view.y + r_bloomstate.bloomheight), r_bloomstate.bloomwidth, r_bloomstate.bloomheight);CHECKGLERROR
2212 GL_BlendFunc(GL_ONE, GL_ZERO);
2213 GL_Color(colorscale, colorscale, colorscale, 1);
2214 // TODO: optimize with multitexture or GLSL
2215 R_Mesh_Draw(0, 4, 2, polygonelements, 0, 0);
2216 r_refdef.stats.bloom_drawpixels += r_bloomstate.bloomwidth * r_bloomstate.bloomheight;
2218 // we now have a bloom image in the framebuffer
2219 // copy it into the bloom image texture for later processing
2220 R_Mesh_TexBind(0, R_GetTexture(r_bloomstate.texture_bloom));
2221 GL_ActiveTexture(0);
2223 qglCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, r_view.x, vid.height - (r_view.y + r_bloomstate.bloomheight), r_bloomstate.bloomwidth, r_bloomstate.bloomheight);CHECKGLERROR
2224 r_refdef.stats.bloom_copypixels += r_bloomstate.bloomwidth * r_bloomstate.bloomheight;
2227 void R_Bloom_CopyHDRTexture(void)
2229 R_Mesh_TexBind(0, R_GetTexture(r_bloomstate.texture_bloom));
2230 GL_ActiveTexture(0);
2232 qglCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, r_view.x, vid.height - (r_view.y + r_view.height), r_view.width, r_view.height);CHECKGLERROR
2233 r_refdef.stats.bloom_copypixels += r_view.width * r_view.height;
2236 void R_Bloom_MakeTexture(void)
2239 float xoffset, yoffset, r, brighten;
2241 r_refdef.stats.bloom++;
2243 R_ResetViewRendering2D();
2244 R_Mesh_VertexPointer(r_screenvertex3f, 0, 0);
2245 R_Mesh_ColorPointer(NULL, 0, 0);
2247 // we have a bloom image in the framebuffer
2249 qglViewport(r_view.x, vid.height - (r_view.y + r_bloomstate.bloomheight), r_bloomstate.bloomwidth, r_bloomstate.bloomheight);CHECKGLERROR
2251 for (x = 1;x < r_bloom_colorexponent.value;)
2254 r = bound(0, r_bloom_colorexponent.value / x, 1);
2255 GL_BlendFunc(GL_DST_COLOR, GL_SRC_COLOR);
2256 GL_Color(r, r, r, 1);
2257 R_Mesh_TexBind(0, R_GetTexture(r_bloomstate.texture_bloom));
2258 R_Mesh_TexCoordPointer(0, 2, r_bloomstate.bloomtexcoord2f, 0, 0);
2259 R_Mesh_Draw(0, 4, 2, polygonelements, 0, 0);
2260 r_refdef.stats.bloom_drawpixels += r_bloomstate.bloomwidth * r_bloomstate.bloomheight;
2262 // copy the vertically blurred bloom view to a texture
2263 GL_ActiveTexture(0);
2265 qglCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, r_view.x, vid.height - (r_view.y + r_bloomstate.bloomheight), r_bloomstate.bloomwidth, r_bloomstate.bloomheight);CHECKGLERROR
2266 r_refdef.stats.bloom_copypixels += r_bloomstate.bloomwidth * r_bloomstate.bloomheight;
2269 range = r_bloom_blur.integer * r_bloomstate.bloomwidth / 320;
2270 brighten = r_bloom_brighten.value;
2272 brighten *= r_hdr_range.value;
2273 R_Mesh_TexBind(0, R_GetTexture(r_bloomstate.texture_bloom));
2274 R_Mesh_TexCoordPointer(0, 2, r_bloomstate.offsettexcoord2f, 0, 0);
2276 for (dir = 0;dir < 2;dir++)
2278 // blend on at multiple vertical offsets to achieve a vertical blur
2279 // TODO: do offset blends using GLSL
2280 GL_BlendFunc(GL_ONE, GL_ZERO);
2281 for (x = -range;x <= range;x++)
2283 if (!dir){xoffset = 0;yoffset = x;}
2284 else {xoffset = x;yoffset = 0;}
2285 xoffset /= (float)r_bloomstate.bloomtexturewidth;
2286 yoffset /= (float)r_bloomstate.bloomtextureheight;
2287 // compute a texcoord array with the specified x and y offset
2288 r_bloomstate.offsettexcoord2f[0] = xoffset+0;
2289 r_bloomstate.offsettexcoord2f[1] = yoffset+(float)r_bloomstate.bloomheight / (float)r_bloomstate.bloomtextureheight;
2290 r_bloomstate.offsettexcoord2f[2] = xoffset+(float)r_bloomstate.bloomwidth / (float)r_bloomstate.bloomtexturewidth;
2291 r_bloomstate.offsettexcoord2f[3] = yoffset+(float)r_bloomstate.bloomheight / (float)r_bloomstate.bloomtextureheight;
2292 r_bloomstate.offsettexcoord2f[4] = xoffset+(float)r_bloomstate.bloomwidth / (float)r_bloomstate.bloomtexturewidth;
2293 r_bloomstate.offsettexcoord2f[5] = yoffset+0;
2294 r_bloomstate.offsettexcoord2f[6] = xoffset+0;
2295 r_bloomstate.offsettexcoord2f[7] = yoffset+0;
2296 // this r value looks like a 'dot' particle, fading sharply to
2297 // black at the edges
2298 // (probably not realistic but looks good enough)
2299 //r = ((range*range+1)/((float)(x*x+1)))/(range*2+1);
2300 //r = (dir ? 1.0f : brighten)/(range*2+1);
2301 r = (dir ? 1.0f : brighten)/(range*2+1)*(1 - x*x/(float)(range*range));
2302 GL_Color(r, r, r, 1);
2303 R_Mesh_Draw(0, 4, 2, polygonelements, 0, 0);
2304 r_refdef.stats.bloom_drawpixels += r_bloomstate.bloomwidth * r_bloomstate.bloomheight;
2305 GL_BlendFunc(GL_ONE, GL_ONE);
2308 // copy the vertically blurred bloom view to a texture
2309 GL_ActiveTexture(0);
2311 qglCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, r_view.x, vid.height - (r_view.y + r_bloomstate.bloomheight), r_bloomstate.bloomwidth, r_bloomstate.bloomheight);CHECKGLERROR
2312 r_refdef.stats.bloom_copypixels += r_bloomstate.bloomwidth * r_bloomstate.bloomheight;
2315 // apply subtract last
2316 // (just like it would be in a GLSL shader)
2317 if (r_bloom_colorsubtract.value > 0 && gl_support_ext_blend_subtract)
2319 GL_BlendFunc(GL_ONE, GL_ZERO);
2320 R_Mesh_TexBind(0, R_GetTexture(r_bloomstate.texture_bloom));
2321 R_Mesh_TexCoordPointer(0, 2, r_bloomstate.bloomtexcoord2f, 0, 0);
2322 GL_Color(1, 1, 1, 1);
2323 R_Mesh_Draw(0, 4, 2, polygonelements, 0, 0);
2324 r_refdef.stats.bloom_drawpixels += r_bloomstate.bloomwidth * r_bloomstate.bloomheight;
2326 GL_BlendFunc(GL_ONE, GL_ONE);
2327 qglBlendEquationEXT(GL_FUNC_REVERSE_SUBTRACT_EXT);
2328 R_Mesh_TexBind(0, R_GetTexture(r_texture_white));
2329 R_Mesh_TexCoordPointer(0, 2, r_bloomstate.bloomtexcoord2f, 0, 0);
2330 GL_Color(r_bloom_colorsubtract.value, r_bloom_colorsubtract.value, r_bloom_colorsubtract.value, 1);
2331 R_Mesh_Draw(0, 4, 2, polygonelements, 0, 0);
2332 r_refdef.stats.bloom_drawpixels += r_bloomstate.bloomwidth * r_bloomstate.bloomheight;
2333 qglBlendEquationEXT(GL_FUNC_ADD_EXT);
2335 // copy the darkened bloom view to a texture
2336 R_Mesh_TexBind(0, R_GetTexture(r_bloomstate.texture_bloom));
2337 GL_ActiveTexture(0);
2339 qglCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, r_view.x, vid.height - (r_view.y + r_bloomstate.bloomheight), r_bloomstate.bloomwidth, r_bloomstate.bloomheight);CHECKGLERROR
2340 r_refdef.stats.bloom_copypixels += r_bloomstate.bloomwidth * r_bloomstate.bloomheight;
2344 void R_HDR_RenderBloomTexture(void)
2346 int oldwidth, oldheight;
2348 oldwidth = r_view.width;
2349 oldheight = r_view.height;
2350 r_view.width = r_bloomstate.bloomwidth;
2351 r_view.height = r_bloomstate.bloomheight;
2353 // TODO: support GL_EXT_framebuffer_object rather than reusing the framebuffer? it might improve SLI performance.
2354 // TODO: add exposure compensation features
2355 // TODO: add fp16 framebuffer support
2357 r_view.colorscale = r_bloom_colorscale.value * r_hdr_scenebrightness.value;
2359 r_view.colorscale /= r_hdr_range.value;
2362 R_ResetViewRendering2D();
2364 R_Bloom_CopyHDRTexture();
2365 R_Bloom_MakeTexture();
2367 R_ResetViewRendering3D();
2370 if (r_timereport_active)
2371 R_TimeReport("clear");
2374 // restore the view settings
2375 r_view.width = oldwidth;
2376 r_view.height = oldheight;
2379 static void R_BlendView(void)
2381 if (r_bloomstate.enabled && r_bloomstate.hdr)
2383 // render high dynamic range bloom effect
2384 // the bloom texture was made earlier this render, so we just need to
2385 // blend it onto the screen...
2386 R_ResetViewRendering2D();
2387 R_Mesh_VertexPointer(r_screenvertex3f, 0, 0);
2388 R_Mesh_ColorPointer(NULL, 0, 0);
2389 GL_Color(1, 1, 1, 1);
2390 GL_BlendFunc(GL_ONE, GL_ONE);
2391 R_Mesh_TexBind(0, R_GetTexture(r_bloomstate.texture_bloom));
2392 R_Mesh_TexCoordPointer(0, 2, r_bloomstate.bloomtexcoord2f, 0, 0);
2393 R_Mesh_Draw(0, 4, 2, polygonelements, 0, 0);
2394 r_refdef.stats.bloom_drawpixels += r_view.width * r_view.height;
2396 else if (r_bloomstate.enabled)
2398 // render simple bloom effect
2399 // copy the screen and shrink it and darken it for the bloom process
2400 R_Bloom_CopyScreenTexture(r_bloom_colorscale.value);
2401 // make the bloom texture
2402 R_Bloom_MakeTexture();
2403 // put the original screen image back in place and blend the bloom
2405 R_ResetViewRendering2D();
2406 R_Mesh_VertexPointer(r_screenvertex3f, 0, 0);
2407 R_Mesh_ColorPointer(NULL, 0, 0);
2408 GL_Color(1, 1, 1, 1);
2409 GL_BlendFunc(GL_ONE, GL_ZERO);
2410 // do both in one pass if possible
2411 R_Mesh_TexBind(0, R_GetTexture(r_bloomstate.texture_bloom));
2412 R_Mesh_TexCoordPointer(0, 2, r_bloomstate.bloomtexcoord2f, 0, 0);
2413 if (r_textureunits.integer >= 2 && gl_combine.integer)
2415 R_Mesh_TexCombine(1, GL_ADD, GL_ADD, 1, 1);
2416 R_Mesh_TexBind(1, R_GetTexture(r_bloomstate.texture_screen));
2417 R_Mesh_TexCoordPointer(1, 2, r_bloomstate.screentexcoord2f, 0, 0);
2421 R_Mesh_Draw(0, 4, 2, polygonelements, 0, 0);
2422 r_refdef.stats.bloom_drawpixels += r_view.width * r_view.height;
2423 // now blend on the bloom texture
2424 GL_BlendFunc(GL_ONE, GL_ONE);
2425 R_Mesh_TexBind(0, R_GetTexture(r_bloomstate.texture_screen));
2426 R_Mesh_TexCoordPointer(0, 2, r_bloomstate.screentexcoord2f, 0, 0);
2428 R_Mesh_Draw(0, 4, 2, polygonelements, 0, 0);
2429 r_refdef.stats.bloom_drawpixels += r_view.width * r_view.height;
2431 if (r_refdef.viewblend[3] >= (1.0f / 256.0f))
2433 // apply a color tint to the whole view
2434 R_ResetViewRendering2D();
2435 R_Mesh_VertexPointer(r_screenvertex3f, 0, 0);
2436 R_Mesh_ColorPointer(NULL, 0, 0);
2437 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
2438 GL_Color(r_refdef.viewblend[0], r_refdef.viewblend[1], r_refdef.viewblend[2], r_refdef.viewblend[3]);
2439 R_Mesh_Draw(0, 4, 2, polygonelements, 0, 0);
2443 void R_RenderScene(void);
2445 matrix4x4_t r_waterscrollmatrix;
2447 void R_UpdateVariables(void)
2451 r_refdef.farclip = 4096;
2452 if (r_refdef.worldmodel)
2453 r_refdef.farclip += VectorDistance(r_refdef.worldmodel->normalmins, r_refdef.worldmodel->normalmaxs);
2454 r_refdef.nearclip = bound (0.001f, r_nearclip.value, r_refdef.farclip - 1.0f);
2456 if (r_shadow_frontsidecasting.integer < 0 || r_shadow_frontsidecasting.integer > 1)
2457 Cvar_SetValueQuick(&r_shadow_frontsidecasting, 1);
2458 r_refdef.polygonfactor = 0;
2459 r_refdef.polygonoffset = 0;
2460 r_refdef.shadowpolygonfactor = r_refdef.polygonfactor + r_shadow_polygonfactor.value * (r_shadow_frontsidecasting.integer ? 1 : -1);
2461 r_refdef.shadowpolygonoffset = r_refdef.polygonoffset + r_shadow_polygonoffset.value * (r_shadow_frontsidecasting.integer ? 1 : -1);
2463 r_refdef.rtworld = r_shadow_realtime_world.integer;
2464 r_refdef.rtworldshadows = r_shadow_realtime_world_shadows.integer && gl_stencil;
2465 r_refdef.rtdlight = (r_shadow_realtime_world.integer || r_shadow_realtime_dlight.integer) && !gl_flashblend.integer && r_dynamic.integer;
2466 r_refdef.rtdlightshadows = r_refdef.rtdlight && r_shadow_realtime_dlight_shadows.integer && gl_stencil;
2467 r_refdef.lightmapintensity = r_refdef.rtworld ? r_shadow_realtime_world_lightmaps.value : 1;
2468 if (r_showsurfaces.integer)
2470 r_refdef.rtworld = false;
2471 r_refdef.rtworldshadows = false;
2472 r_refdef.rtdlight = false;
2473 r_refdef.rtdlightshadows = false;
2474 r_refdef.lightmapintensity = 0;
2477 if (gamemode == GAME_NEHAHRA)
2479 if (gl_fogenable.integer)
2481 r_refdef.oldgl_fogenable = true;
2482 r_refdef.fog_density = gl_fogdensity.value;
2483 r_refdef.fog_red = gl_fogred.value;
2484 r_refdef.fog_green = gl_foggreen.value;
2485 r_refdef.fog_blue = gl_fogblue.value;
2487 else if (r_refdef.oldgl_fogenable)
2489 r_refdef.oldgl_fogenable = false;
2490 r_refdef.fog_density = 0;
2491 r_refdef.fog_red = 0;
2492 r_refdef.fog_green = 0;
2493 r_refdef.fog_blue = 0;
2496 if (r_refdef.fog_density)
2498 r_refdef.fogcolor[0] = bound(0.0f, r_refdef.fog_red , 1.0f);
2499 r_refdef.fogcolor[1] = bound(0.0f, r_refdef.fog_green, 1.0f);
2500 r_refdef.fogcolor[2] = bound(0.0f, r_refdef.fog_blue , 1.0f);
2502 if (r_refdef.fog_density)
2504 r_refdef.fogenabled = true;
2505 // this is the point where the fog reaches 0.9986 alpha, which we
2506 // consider a good enough cutoff point for the texture
2507 // (0.9986 * 256 == 255.6)
2508 r_refdef.fogrange = 400 / r_refdef.fog_density;
2509 r_refdef.fograngerecip = 1.0f / r_refdef.fogrange;
2510 r_refdef.fogmasktabledistmultiplier = FOGMASKTABLEWIDTH * r_refdef.fograngerecip;
2511 // fog color was already set
2514 r_refdef.fogenabled = false;
2522 void R_RenderView(void)
2524 if (!r_refdef.entities/* || !r_refdef.worldmodel*/)
2525 return; //Host_Error ("R_RenderView: NULL worldmodel");
2527 R_Shadow_UpdateWorldLightSelection();
2530 if (r_timereport_active)
2531 R_TimeReport("setup");
2534 if (r_timereport_active)
2535 R_TimeReport("visibility");
2537 R_ResetViewRendering3D();
2540 if (r_timereport_active)
2541 R_TimeReport("clear");
2543 R_Bloom_StartFrame();
2545 // this produces a bloom texture to be used in R_BlendView() later
2547 R_HDR_RenderBloomTexture();
2549 r_view.colorscale = r_hdr_scenebrightness.value;
2553 if (r_timereport_active)
2554 R_TimeReport("blendview");
2556 GL_Scissor(0, 0, vid.width, vid.height);
2557 GL_ScissorTest(false);
2561 extern void R_DrawLightningBeams (void);
2562 extern void VM_CL_AddPolygonsToMeshQueue (void);
2563 extern void R_DrawPortals (void);
2564 extern cvar_t cl_locs_show;
2565 static void R_DrawLocs(void);
2566 static void R_DrawEntityBBoxes(void);
2567 void R_RenderScene(void)
2569 // don't let sound skip if going slow
2570 if (r_refdef.extraupdate)
2573 R_ResetViewRendering3D();
2575 R_MeshQueue_BeginScene();
2579 Matrix4x4_CreateTranslate(&r_waterscrollmatrix, sin(r_refdef.time) * 0.025 * r_waterscroll.value, sin(r_refdef.time * 0.8f) * 0.025 * r_waterscroll.value, 0);
2581 if (cl.csqc_vidvars.drawworld)
2583 // don't let sound skip if going slow
2584 if (r_refdef.extraupdate)
2587 if (r_refdef.worldmodel && r_refdef.worldmodel->DrawSky)
2589 r_refdef.worldmodel->DrawSky(r_refdef.worldentity);
2590 if (r_timereport_active)
2591 R_TimeReport("worldsky");
2594 if (R_DrawBrushModelsSky() && r_timereport_active)
2595 R_TimeReport("bmodelsky");
2598 if (r_depthfirst.integer >= 1 && cl.csqc_vidvars.drawworld && r_refdef.worldmodel && r_refdef.worldmodel->DrawDepth)
2600 r_refdef.worldmodel->DrawDepth(r_refdef.worldentity);
2601 if (r_timereport_active)
2602 R_TimeReport("worlddepth");
2604 if (r_depthfirst.integer >= 2)
2606 R_DrawModelsDepth();
2607 if (r_timereport_active)
2608 R_TimeReport("modeldepth");
2611 if (cl.csqc_vidvars.drawworld && r_refdef.worldmodel && r_refdef.worldmodel->Draw)
2613 r_refdef.worldmodel->Draw(r_refdef.worldentity);
2614 if (r_timereport_active)
2615 R_TimeReport("world");
2618 // don't let sound skip if going slow
2619 if (r_refdef.extraupdate)
2623 if (r_timereport_active)
2624 R_TimeReport("models");
2626 // don't let sound skip if going slow
2627 if (r_refdef.extraupdate)
2630 if (r_shadows.integer > 0 && r_refdef.lightmapintensity > 0)
2632 R_DrawModelShadows();
2634 R_ResetViewRendering3D();
2636 // don't let sound skip if going slow
2637 if (r_refdef.extraupdate)
2641 R_ShadowVolumeLighting(false);
2642 if (r_timereport_active)
2643 R_TimeReport("rtlights");
2645 // don't let sound skip if going slow
2646 if (r_refdef.extraupdate)
2649 if (cl.csqc_vidvars.drawworld)
2651 R_DrawLightningBeams();
2652 if (r_timereport_active)
2653 R_TimeReport("lightning");
2656 if (r_timereport_active)
2657 R_TimeReport("particles");
2660 if (r_timereport_active)
2661 R_TimeReport("explosions");
2664 if (gl_support_fragment_shader)
2666 qglUseProgramObjectARB(0);CHECKGLERROR
2668 VM_CL_AddPolygonsToMeshQueue();
2670 if (cl_locs_show.integer)
2673 if (r_timereport_active)
2674 R_TimeReport("showlocs");
2677 if (r_drawportals.integer)
2680 if (r_timereport_active)
2681 R_TimeReport("portals");
2684 if (r_showbboxes.value > 0)
2686 R_DrawEntityBBoxes();
2687 if (r_timereport_active)
2688 R_TimeReport("bboxes");
2691 if (gl_support_fragment_shader)
2693 qglUseProgramObjectARB(0);CHECKGLERROR
2695 R_MeshQueue_RenderTransparent();
2696 if (r_timereport_active)
2697 R_TimeReport("drawtrans");
2699 if (gl_support_fragment_shader)
2701 qglUseProgramObjectARB(0);CHECKGLERROR
2704 if (cl.csqc_vidvars.drawworld)
2707 if (r_timereport_active)
2708 R_TimeReport("coronas");
2711 // don't let sound skip if going slow
2712 if (r_refdef.extraupdate)
2715 R_ResetViewRendering2D();
2718 static const int bboxelements[36] =
2728 void R_DrawBBoxMesh(vec3_t mins, vec3_t maxs, float cr, float cg, float cb, float ca)
2731 float *v, *c, f1, f2, vertex3f[8*3], color4f[8*4];
2732 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
2733 GL_DepthMask(false);
2734 GL_DepthRange(0, 1);
2735 R_Mesh_Matrix(&identitymatrix);
2736 R_Mesh_ResetTextureState();
2738 vertex3f[ 0] = mins[0];vertex3f[ 1] = mins[1];vertex3f[ 2] = mins[2]; //
2739 vertex3f[ 3] = maxs[0];vertex3f[ 4] = mins[1];vertex3f[ 5] = mins[2];
2740 vertex3f[ 6] = mins[0];vertex3f[ 7] = maxs[1];vertex3f[ 8] = mins[2];
2741 vertex3f[ 9] = maxs[0];vertex3f[10] = maxs[1];vertex3f[11] = mins[2];
2742 vertex3f[12] = mins[0];vertex3f[13] = mins[1];vertex3f[14] = maxs[2];
2743 vertex3f[15] = maxs[0];vertex3f[16] = mins[1];vertex3f[17] = maxs[2];
2744 vertex3f[18] = mins[0];vertex3f[19] = maxs[1];vertex3f[20] = maxs[2];
2745 vertex3f[21] = maxs[0];vertex3f[22] = maxs[1];vertex3f[23] = maxs[2];
2746 R_FillColors(color4f, 8, cr, cg, cb, ca);
2747 if (r_refdef.fogenabled)
2749 for (i = 0, v = vertex3f, c = color4f;i < 8;i++, v += 3, c += 4)
2751 f1 = FogPoint_World(v);
2753 c[0] = c[0] * f1 + r_refdef.fogcolor[0] * f2;
2754 c[1] = c[1] * f1 + r_refdef.fogcolor[1] * f2;
2755 c[2] = c[2] * f1 + r_refdef.fogcolor[2] * f2;
2758 R_Mesh_VertexPointer(vertex3f, 0, 0);
2759 R_Mesh_ColorPointer(color4f, 0, 0);
2760 R_Mesh_ResetTextureState();
2761 R_Mesh_Draw(0, 8, 12, bboxelements, 0, 0);
2764 static void R_DrawEntityBBoxes_Callback(const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist)
2768 prvm_edict_t *edict;
2769 // this function draws bounding boxes of server entities
2773 for (i = 0;i < numsurfaces;i++)
2775 edict = PRVM_EDICT_NUM(surfacelist[i]);
2776 switch ((int)edict->fields.server->solid)
2778 case SOLID_NOT: Vector4Set(color, 1, 1, 1, 0.05);break;
2779 case SOLID_TRIGGER: Vector4Set(color, 1, 0, 1, 0.10);break;
2780 case SOLID_BBOX: Vector4Set(color, 0, 1, 0, 0.10);break;
2781 case SOLID_SLIDEBOX: Vector4Set(color, 1, 0, 0, 0.10);break;
2782 case SOLID_BSP: Vector4Set(color, 0, 0, 1, 0.05);break;
2783 default: Vector4Set(color, 0, 0, 0, 0.50);break;
2785 color[3] *= r_showbboxes.value;
2786 color[3] = bound(0, color[3], 1);
2787 GL_DepthTest(!r_showdisabledepthtest.integer);
2788 GL_CullFace(GL_BACK);
2789 R_DrawBBoxMesh(edict->priv.server->areamins, edict->priv.server->areamaxs, color[0], color[1], color[2], color[3]);
2794 static void R_DrawEntityBBoxes(void)
2797 prvm_edict_t *edict;
2799 // this function draws bounding boxes of server entities
2803 for (i = 0;i < prog->num_edicts;i++)
2805 edict = PRVM_EDICT_NUM(i);
2806 if (edict->priv.server->free)
2808 VectorLerp(edict->priv.server->areamins, 0.5f, edict->priv.server->areamaxs, center);
2809 R_MeshQueue_AddTransparent(center, R_DrawEntityBBoxes_Callback, (entity_render_t *)NULL, i, (rtlight_t *)NULL);
2814 int nomodelelements[24] =
2826 float nomodelvertex3f[6*3] =
2836 float nomodelcolor4f[6*4] =
2838 0.0f, 0.0f, 0.5f, 1.0f,
2839 0.0f, 0.0f, 0.5f, 1.0f,
2840 0.0f, 0.5f, 0.0f, 1.0f,
2841 0.0f, 0.5f, 0.0f, 1.0f,
2842 0.5f, 0.0f, 0.0f, 1.0f,
2843 0.5f, 0.0f, 0.0f, 1.0f
2846 void R_DrawNoModel_TransparentCallback(const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist)
2851 // this is only called once per entity so numsurfaces is always 1, and
2852 // surfacelist is always {0}, so this code does not handle batches
2853 R_Mesh_Matrix(&ent->matrix);
2855 if (ent->flags & EF_ADDITIVE)
2857 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
2858 GL_DepthMask(false);
2860 else if (ent->alpha < 1)
2862 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
2863 GL_DepthMask(false);
2867 GL_BlendFunc(GL_ONE, GL_ZERO);
2870 GL_DepthRange(0, (ent->flags & RENDER_VIEWMODEL) ? 0.0625 : 1);
2871 GL_DepthTest(!(ent->effects & EF_NODEPTHTEST));
2872 GL_CullFace((ent->effects & EF_DOUBLESIDED) ? GL_NONE : GL_FRONT); // quake is backwards, this culls back faces
2873 R_Mesh_VertexPointer(nomodelvertex3f, 0, 0);
2874 if (r_refdef.fogenabled)
2877 memcpy(color4f, nomodelcolor4f, sizeof(float[6*4]));
2878 R_Mesh_ColorPointer(color4f, 0, 0);
2879 Matrix4x4_OriginFromMatrix(&ent->matrix, org);
2880 f1 = FogPoint_World(org);
2882 for (i = 0, c = color4f;i < 6;i++, c += 4)
2884 c[0] = (c[0] * f1 + r_refdef.fogcolor[0] * f2);
2885 c[1] = (c[1] * f1 + r_refdef.fogcolor[1] * f2);
2886 c[2] = (c[2] * f1 + r_refdef.fogcolor[2] * f2);
2890 else if (ent->alpha != 1)
2892 memcpy(color4f, nomodelcolor4f, sizeof(float[6*4]));
2893 R_Mesh_ColorPointer(color4f, 0, 0);
2894 for (i = 0, c = color4f;i < 6;i++, c += 4)
2898 R_Mesh_ColorPointer(nomodelcolor4f, 0, 0);
2899 R_Mesh_ResetTextureState();
2900 R_Mesh_Draw(0, 6, 8, nomodelelements, 0, 0);
2903 void R_DrawNoModel(entity_render_t *ent)
2906 Matrix4x4_OriginFromMatrix(&ent->matrix, org);
2907 //if ((ent->effects & EF_ADDITIVE) || (ent->alpha < 1))
2908 R_MeshQueue_AddTransparent(ent->effects & EF_NODEPTHTEST ? r_view.origin : org, R_DrawNoModel_TransparentCallback, ent, 0, r_shadow_rtlight);
2910 // R_DrawNoModelCallback(ent, 0);
2913 void R_CalcBeam_Vertex3f (float *vert, const vec3_t org1, const vec3_t org2, float width)
2915 vec3_t right1, right2, diff, normal;
2917 VectorSubtract (org2, org1, normal);
2919 // calculate 'right' vector for start
2920 VectorSubtract (r_view.origin, org1, diff);
2921 CrossProduct (normal, diff, right1);
2922 VectorNormalize (right1);
2924 // calculate 'right' vector for end
2925 VectorSubtract (r_view.origin, org2, diff);
2926 CrossProduct (normal, diff, right2);
2927 VectorNormalize (right2);
2929 vert[ 0] = org1[0] + width * right1[0];
2930 vert[ 1] = org1[1] + width * right1[1];
2931 vert[ 2] = org1[2] + width * right1[2];
2932 vert[ 3] = org1[0] - width * right1[0];
2933 vert[ 4] = org1[1] - width * right1[1];
2934 vert[ 5] = org1[2] - width * right1[2];
2935 vert[ 6] = org2[0] - width * right2[0];
2936 vert[ 7] = org2[1] - width * right2[1];
2937 vert[ 8] = org2[2] - width * right2[2];
2938 vert[ 9] = org2[0] + width * right2[0];
2939 vert[10] = org2[1] + width * right2[1];
2940 vert[11] = org2[2] + width * right2[2];
2943 float spritetexcoord2f[4*2] = {0, 1, 0, 0, 1, 0, 1, 1};
2945 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)
2950 if (r_refdef.fogenabled)
2951 fog = FogPoint_World(origin);
2953 R_Mesh_Matrix(&identitymatrix);
2954 GL_BlendFunc(blendfunc1, blendfunc2);
2955 GL_DepthMask(false);
2956 GL_DepthRange(0, depthshort ? 0.0625 : 1);
2957 GL_DepthTest(!depthdisable);
2959 vertex3f[ 0] = origin[0] + left[0] * scalex2 + up[0] * scaley1;
2960 vertex3f[ 1] = origin[1] + left[1] * scalex2 + up[1] * scaley1;
2961 vertex3f[ 2] = origin[2] + left[2] * scalex2 + up[2] * scaley1;
2962 vertex3f[ 3] = origin[0] + left[0] * scalex2 + up[0] * scaley2;
2963 vertex3f[ 4] = origin[1] + left[1] * scalex2 + up[1] * scaley2;
2964 vertex3f[ 5] = origin[2] + left[2] * scalex2 + up[2] * scaley2;
2965 vertex3f[ 6] = origin[0] + left[0] * scalex1 + up[0] * scaley2;
2966 vertex3f[ 7] = origin[1] + left[1] * scalex1 + up[1] * scaley2;
2967 vertex3f[ 8] = origin[2] + left[2] * scalex1 + up[2] * scaley2;
2968 vertex3f[ 9] = origin[0] + left[0] * scalex1 + up[0] * scaley1;
2969 vertex3f[10] = origin[1] + left[1] * scalex1 + up[1] * scaley1;
2970 vertex3f[11] = origin[2] + left[2] * scalex1 + up[2] * scaley1;
2972 R_Mesh_VertexPointer(vertex3f, 0, 0);
2973 R_Mesh_ColorPointer(NULL, 0, 0);
2974 R_Mesh_ResetTextureState();
2975 R_Mesh_TexBind(0, R_GetTexture(texture));
2976 R_Mesh_TexCoordPointer(0, 2, spritetexcoord2f, 0, 0);
2977 // FIXME: fixed function path can't properly handle r_view.colorscale > 1
2978 GL_Color(cr * fog * r_view.colorscale, cg * fog * r_view.colorscale, cb * fog * r_view.colorscale, ca);
2979 R_Mesh_Draw(0, 4, 2, polygonelements, 0, 0);
2981 if (blendfunc2 == GL_ONE_MINUS_SRC_ALPHA)
2983 R_Mesh_TexBind(0, R_GetTexture(fogtexture));
2984 GL_BlendFunc(blendfunc1, GL_ONE);
2986 GL_Color(r_refdef.fogcolor[0] * fog * r_view.colorscale, r_refdef.fogcolor[1] * fog * r_view.colorscale, r_refdef.fogcolor[2] * fog * r_view.colorscale, ca);
2987 R_Mesh_Draw(0, 4, 2, polygonelements, 0, 0);
2991 int R_Mesh_AddVertex(rmesh_t *mesh, float x, float y, float z)
2996 VectorSet(v, x, y, z);
2997 for (i = 0, vertex3f = mesh->vertex3f;i < mesh->numvertices;i++, vertex3f += 3)
2998 if (VectorDistance2(v, vertex3f) < mesh->epsilon2)
3000 if (i == mesh->numvertices)
3002 if (mesh->numvertices < mesh->maxvertices)
3004 VectorCopy(v, vertex3f);
3005 mesh->numvertices++;
3007 return mesh->numvertices;
3013 void R_Mesh_AddPolygon3f(rmesh_t *mesh, int numvertices, float *vertex3f)
3017 element[0] = R_Mesh_AddVertex(mesh, vertex3f[0], vertex3f[1], vertex3f[2]);vertex3f += 3;
3018 element[1] = R_Mesh_AddVertex(mesh, vertex3f[0], vertex3f[1], vertex3f[2]);vertex3f += 3;
3019 e = mesh->element3i + mesh->numtriangles * 3;
3020 for (i = 0;i < numvertices - 2;i++, vertex3f += 3)
3022 element[2] = R_Mesh_AddVertex(mesh, vertex3f[0], vertex3f[1], vertex3f[2]);
3023 if (mesh->numtriangles < mesh->maxtriangles)
3028 mesh->numtriangles++;
3030 element[1] = element[2];
3034 void R_Mesh_AddPolygon3d(rmesh_t *mesh, int numvertices, double *vertex3d)
3038 element[0] = R_Mesh_AddVertex(mesh, vertex3d[0], vertex3d[1], vertex3d[2]);vertex3d += 3;
3039 element[1] = R_Mesh_AddVertex(mesh, vertex3d[0], vertex3d[1], vertex3d[2]);vertex3d += 3;
3040 e = mesh->element3i + mesh->numtriangles * 3;
3041 for (i = 0;i < numvertices - 2;i++, vertex3d += 3)
3043 element[2] = R_Mesh_AddVertex(mesh, vertex3d[0], vertex3d[1], vertex3d[2]);
3044 if (mesh->numtriangles < mesh->maxtriangles)
3049 mesh->numtriangles++;
3051 element[1] = element[2];
3055 #define R_MESH_PLANE_DIST_EPSILON (1.0 / 32.0)
3056 void R_Mesh_AddBrushMeshFromPlanes(rmesh_t *mesh, int numplanes, mplane_t *planes)
3058 int planenum, planenum2;
3061 mplane_t *plane, *plane2;
3063 double temppoints[2][256*3];
3064 // figure out how large a bounding box we need to properly compute this brush
3066 for (w = 0;w < numplanes;w++)
3067 maxdist = max(maxdist, planes[w].dist);
3068 // now make it large enough to enclose the entire brush, and round it off to a reasonable multiple of 1024
3069 maxdist = floor(maxdist * (4.0 / 1024.0) + 1) * 1024.0;
3070 for (planenum = 0, plane = planes;planenum < numplanes;planenum++, plane++)
3074 PolygonD_QuadForPlane(temppoints[w], plane->normal[0], plane->normal[1], plane->normal[2], plane->dist, maxdist);
3075 for (planenum2 = 0, plane2 = planes;planenum2 < numplanes && tempnumpoints >= 3;planenum2++, plane2++)
3077 if (planenum2 == planenum)
3079 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);
3082 if (tempnumpoints < 3)
3084 // generate elements forming a triangle fan for this polygon
3085 R_Mesh_AddPolygon3d(mesh, tempnumpoints, temppoints[w]);
3089 static void R_DrawCollisionBrush(const colbrushf_t *brush)
3092 R_Mesh_VertexPointer(brush->points->v, 0, 0);
3093 i = (int)(((size_t)brush) / sizeof(colbrushf_t));
3094 GL_Color((i & 31) * (1.0f / 32.0f) * r_view.colorscale, ((i >> 5) & 31) * (1.0f / 32.0f) * r_view.colorscale, ((i >> 10) & 31) * (1.0f / 32.0f) * r_view.colorscale, 0.2f);
3095 GL_LockArrays(0, brush->numpoints);
3096 R_Mesh_Draw(0, brush->numpoints, brush->numtriangles, brush->elements, 0, 0);
3097 GL_LockArrays(0, 0);
3100 static void R_DrawCollisionSurface(const entity_render_t *ent, const msurface_t *surface)
3103 if (!surface->num_collisiontriangles)
3105 R_Mesh_VertexPointer(surface->data_collisionvertex3f, 0, 0);
3106 i = (int)(((size_t)surface) / sizeof(msurface_t));
3107 GL_Color((i & 31) * (1.0f / 32.0f) * r_view.colorscale, ((i >> 5) & 31) * (1.0f / 32.0f) * r_view.colorscale, ((i >> 10) & 31) * (1.0f / 32.0f) * r_view.colorscale, 0.2f);
3108 GL_LockArrays(0, surface->num_collisionvertices);
3109 R_Mesh_Draw(0, surface->num_collisionvertices, surface->num_collisiontriangles, surface->data_collisionelement3i, 0, 0);
3110 GL_LockArrays(0, 0);
3113 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)
3115 texturelayer_t *layer;
3116 layer = t->currentlayers + t->currentnumlayers++;
3118 layer->depthmask = depthmask;
3119 layer->blendfunc1 = blendfunc1;
3120 layer->blendfunc2 = blendfunc2;
3121 layer->texture = texture;
3122 layer->texmatrix = *matrix;
3123 layer->color[0] = r * r_view.colorscale;
3124 layer->color[1] = g * r_view.colorscale;
3125 layer->color[2] = b * r_view.colorscale;
3126 layer->color[3] = a;
3129 void R_UpdateTextureInfo(const entity_render_t *ent, texture_t *t)
3132 model_t *model = ent->model;
3134 // switch to an alternate material if this is a q1bsp animated material
3136 texture_t *texture = t;
3137 int s = ent->skinnum;
3138 if ((unsigned int)s >= (unsigned int)model->numskins)
3140 if (model->skinscenes)
3142 if (model->skinscenes[s].framecount > 1)
3143 s = model->skinscenes[s].firstframe + (unsigned int) (r_refdef.time * model->skinscenes[s].framerate) % model->skinscenes[s].framecount;
3145 s = model->skinscenes[s].firstframe;
3148 t = t + s * model->num_surfaces;
3151 // use an alternate animation if the entity's frame is not 0,
3152 // and only if the texture has an alternate animation
3153 if (ent->frame != 0 && t->anim_total[1])
3154 t = t->anim_frames[1][(t->anim_total[1] >= 2) ? ((int)(r_refdef.time * 5.0f) % t->anim_total[1]) : 0];
3156 t = t->anim_frames[0][(t->anim_total[0] >= 2) ? ((int)(r_refdef.time * 5.0f) % t->anim_total[0]) : 0];
3158 texture->currentframe = t;
3161 // update currentskinframe to be a qw skin or animation frame
3162 if ((i = ent->entitynumber - 1) >= 0 && i < cl.maxclients)
3164 if (strcmp(r_qwskincache[i], cl.scores[i].qw_skin))
3166 strlcpy(r_qwskincache[i], cl.scores[i].qw_skin, sizeof(r_qwskincache[i]));
3167 Con_DPrintf("loading skins/%s\n", r_qwskincache[i]);
3168 r_qwskincache_skinframe[i] = R_SkinFrame_LoadExternal(va("skins/%s", r_qwskincache[i]), TEXF_PRECACHE | (r_mipskins.integer ? TEXF_MIPMAP : 0) | TEXF_PICMIP, developer.integer > 0);
3170 t->currentskinframe = r_qwskincache_skinframe[i];
3171 if (t->currentskinframe == NULL)
3172 t->currentskinframe = t->skinframes[(int)(t->skinframerate * (cl.time - ent->frame2time)) % t->numskinframes];
3174 else if (t->numskinframes >= 2)
3175 t->currentskinframe = t->skinframes[(int)(t->skinframerate * (cl.time - ent->frame2time)) % t->numskinframes];
3176 if (t->backgroundnumskinframes >= 2)
3177 t->backgroundcurrentskinframe = t->backgroundskinframes[(int)(t->backgroundskinframerate * (cl.time - ent->frame2time)) % t->backgroundnumskinframes];
3179 t->currentmaterialflags = t->basematerialflags;
3180 t->currentalpha = ent->alpha;
3181 if (t->basematerialflags & MATERIALFLAG_WATERALPHA && (model->brush.supportwateralpha || r_novis.integer))
3182 t->currentalpha *= r_wateralpha.value;
3183 if (!(ent->flags & RENDER_LIGHT))
3184 t->currentmaterialflags |= MATERIALFLAG_FULLBRIGHT;
3185 if (ent->effects & EF_ADDITIVE)
3186 t->currentmaterialflags |= MATERIALFLAG_ADD | MATERIALFLAG_BLENDED | MATERIALFLAG_NOSHADOW;
3187 else if (t->currentalpha < 1)
3188 t->currentmaterialflags |= MATERIALFLAG_ALPHA | MATERIALFLAG_BLENDED | MATERIALFLAG_NOSHADOW;
3189 if (ent->effects & EF_DOUBLESIDED)
3190 t->currentmaterialflags |= MATERIALFLAG_NOSHADOW | MATERIALFLAG_NOCULLFACE;
3191 if (ent->effects & EF_NODEPTHTEST)
3192 t->currentmaterialflags |= MATERIALFLAG_SHORTDEPTHRANGE;
3193 if (ent->flags & RENDER_VIEWMODEL)
3194 t->currentmaterialflags |= MATERIALFLAG_SHORTDEPTHRANGE;
3195 if (t->currentmaterialflags & MATERIALFLAG_WATER && r_waterscroll.value != 0)
3196 t->currenttexmatrix = r_waterscrollmatrix;
3198 t->currenttexmatrix = identitymatrix;
3199 if (t->backgroundnumskinframes && !(t->currentmaterialflags & MATERIALFLAGMASK_DEPTHSORTED))
3200 t->currentmaterialflags |= MATERIALFLAG_VERTEXTEXTUREBLEND;
3202 t->colormapping = VectorLength2(ent->colormap_pantscolor) + VectorLength2(ent->colormap_shirtcolor) >= (1.0f / 1048576.0f);
3203 t->basetexture = (!t->colormapping && t->currentskinframe->merged) ? t->currentskinframe->merged : t->currentskinframe->base;
3204 t->glosstexture = r_texture_white;
3205 t->backgroundbasetexture = t->backgroundnumskinframes ? ((!t->colormapping && t->backgroundcurrentskinframe->merged) ? t->backgroundcurrentskinframe->merged : t->backgroundcurrentskinframe->base) : r_texture_white;
3206 t->backgroundglosstexture = r_texture_white;
3207 t->specularpower = r_shadow_glossexponent.value;
3208 // TODO: store reference values for these in the texture?
3209 t->specularscale = 0;
3210 if (r_shadow_gloss.integer > 0)
3212 if (t->currentskinframe->gloss || (t->backgroundcurrentskinframe && t->backgroundcurrentskinframe->gloss))
3214 if (r_shadow_glossintensity.value > 0)
3216 t->glosstexture = t->currentskinframe->gloss ? t->currentskinframe->gloss : r_texture_black;
3217 t->backgroundglosstexture = (t->backgroundcurrentskinframe && t->backgroundcurrentskinframe->gloss) ? t->backgroundcurrentskinframe->gloss : r_texture_black;
3218 t->specularscale = r_shadow_glossintensity.value;
3221 else if (r_shadow_gloss.integer >= 2 && r_shadow_gloss2intensity.value > 0)
3222 t->specularscale = r_shadow_gloss2intensity.value;
3225 t->currentnumlayers = 0;
3226 if (!(t->currentmaterialflags & MATERIALFLAG_NODRAW))
3228 if (!(t->currentmaterialflags & MATERIALFLAG_SKY))
3230 int blendfunc1, blendfunc2, depthmask;
3231 if (t->currentmaterialflags & MATERIALFLAG_ADD)
3233 blendfunc1 = GL_SRC_ALPHA;
3234 blendfunc2 = GL_ONE;
3236 else if (t->currentmaterialflags & MATERIALFLAG_ALPHA)
3238 blendfunc1 = GL_SRC_ALPHA;
3239 blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
3241 else if (t->currentmaterialflags & MATERIALFLAG_CUSTOMBLEND)
3243 blendfunc1 = t->customblendfunc[0];
3244 blendfunc2 = t->customblendfunc[1];
3248 blendfunc1 = GL_ONE;
3249 blendfunc2 = GL_ZERO;
3251 depthmask = !(t->currentmaterialflags & MATERIALFLAG_BLENDED);
3252 if (t->currentmaterialflags & (MATERIALFLAG_WATER | MATERIALFLAG_WALL))
3254 rtexture_t *currentbasetexture;
3256 if (r_refdef.fogenabled && (t->currentmaterialflags & MATERIALFLAG_BLENDED))
3257 layerflags |= TEXTURELAYERFLAG_FOGDARKEN;
3258 currentbasetexture = (VectorLength2(ent->colormap_pantscolor) + VectorLength2(ent->colormap_shirtcolor) < (1.0f / 1048576.0f) && t->currentskinframe->merged) ? t->currentskinframe->merged : t->currentskinframe->base;
3259 if (t->currentmaterialflags & MATERIALFLAG_FULLBRIGHT)
3261 // fullbright is not affected by r_refdef.lightmapintensity
3262 R_Texture_AddLayer(t, depthmask, blendfunc1, blendfunc2, TEXTURELAYERTYPE_TEXTURE, currentbasetexture, &t->currenttexmatrix, ent->colormod[0], ent->colormod[1], ent->colormod[2], t->currentalpha);
3263 if (VectorLength2(ent->colormap_pantscolor) >= (1.0f / 1048576.0f) && t->currentskinframe->pants)
3264 R_Texture_AddLayer(t, false, GL_SRC_ALPHA, GL_ONE, TEXTURELAYERTYPE_TEXTURE, t->currentskinframe->pants, &t->currenttexmatrix, ent->colormap_pantscolor[0] * ent->colormod[0], ent->colormap_pantscolor[1] * ent->colormod[1], ent->colormap_pantscolor[2] * ent->colormod[2], t->currentalpha);
3265 if (VectorLength2(ent->colormap_shirtcolor) >= (1.0f / 1048576.0f) && t->currentskinframe->shirt)
3266 R_Texture_AddLayer(t, false, GL_SRC_ALPHA, GL_ONE, TEXTURELAYERTYPE_TEXTURE, t->currentskinframe->shirt, &t->currenttexmatrix, ent->colormap_shirtcolor[0] * ent->colormod[0], ent->colormap_shirtcolor[1] * ent->colormod[1], ent->colormap_shirtcolor[2] * ent->colormod[2], t->currentalpha);
3272 // q3bsp has no lightmap updates, so the lightstylevalue that
3273 // would normally be baked into the lightmap must be
3274 // applied to the color
3275 if (ent->model->type == mod_brushq3)
3276 colorscale *= r_refdef.lightstylevalue[0] * (1.0f / 256.0f);
3277 colorscale *= r_refdef.lightmapintensity;
3278 R_Texture_AddLayer(t, depthmask, blendfunc1, blendfunc2, TEXTURELAYERTYPE_LITTEXTURE, currentbasetexture, &t->currenttexmatrix, ent->colormod[0] * colorscale, ent->colormod[1] * colorscale, ent->colormod[2] * colorscale, t->currentalpha);
3279 if (r_ambient.value >= (1.0f/64.0f))
3280 R_Texture_AddLayer(t, false, GL_SRC_ALPHA, GL_ONE, TEXTURELAYERTYPE_TEXTURE, currentbasetexture, &t->currenttexmatrix, ent->colormod[0] * r_ambient.value * (1.0f / 64.0f), ent->colormod[1] * r_ambient.value * (1.0f / 64.0f), ent->colormod[2] * r_ambient.value * (1.0f / 64.0f), t->currentalpha);
3281 if (VectorLength2(ent->colormap_pantscolor) >= (1.0f / 1048576.0f) && t->currentskinframe->pants)
3283 R_Texture_AddLayer(t, false, GL_SRC_ALPHA, GL_ONE, TEXTURELAYERTYPE_LITTEXTURE, t->currentskinframe->pants, &t->currenttexmatrix, ent->colormap_pantscolor[0] * ent->colormod[0] * colorscale, ent->colormap_pantscolor[1] * ent->colormod[1] * colorscale, ent->colormap_pantscolor[2] * ent->colormod[2] * colorscale, t->currentalpha);
3284 if (r_ambient.value >= (1.0f/64.0f))
3285 R_Texture_AddLayer(t, false, GL_SRC_ALPHA, GL_ONE, TEXTURELAYERTYPE_TEXTURE, t->currentskinframe->pants, &t->currenttexmatrix, ent->colormap_pantscolor[0] * ent->colormod[0] * r_ambient.value * (1.0f / 64.0f), ent->colormap_pantscolor[1] * ent->colormod[1] * r_ambient.value * (1.0f / 64.0f), ent->colormap_pantscolor[2] * ent->colormod[2] * r_ambient.value * (1.0f / 64.0f), t->currentalpha);
3287 if (VectorLength2(ent->colormap_shirtcolor) >= (1.0f / 1048576.0f) && t->currentskinframe->shirt)
3289 R_Texture_AddLayer(t, false, GL_SRC_ALPHA, GL_ONE, TEXTURELAYERTYPE_LITTEXTURE, t->currentskinframe->shirt, &t->currenttexmatrix, ent->colormap_shirtcolor[0] * ent->colormod[0] * colorscale, ent->colormap_shirtcolor[1] * ent->colormod[1] * colorscale, ent->colormap_shirtcolor[2] * ent->colormod[2] * colorscale, t->currentalpha);
3290 if (r_ambient.value >= (1.0f/64.0f))
3291 R_Texture_AddLayer(t, false, GL_SRC_ALPHA, GL_ONE, TEXTURELAYERTYPE_TEXTURE, t->currentskinframe->shirt, &t->currenttexmatrix, ent->colormap_shirtcolor[0] * ent->colormod[0] * r_ambient.value * (1.0f / 64.0f), ent->colormap_shirtcolor[1] * ent->colormod[1] * r_ambient.value * (1.0f / 64.0f), ent->colormap_shirtcolor[2] * ent->colormod[2] * r_ambient.value * (1.0f / 64.0f), t->currentalpha);
3294 if (t->currentskinframe->glow != NULL)
3295 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->currentalpha);
3296 if (r_refdef.fogenabled && !(t->currentmaterialflags & MATERIALFLAG_ADD))
3298 // if this is opaque use alpha blend which will darken the earlier
3301 // if this is an alpha blended material, all the earlier passes
3302 // were darkened by fog already, so we only need to add the fog
3303 // color ontop through the fog mask texture
3305 // if this is an additive blended material, all the earlier passes
3306 // were darkened by fog already, and we should not add fog color
3307 // (because the background was not darkened, there is no fog color
3308 // that was lost behind it).
3309 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.fogcolor[1], r_refdef.fogcolor[2], t->currentalpha);
3316 void R_UpdateAllTextureInfo(entity_render_t *ent)
3320 for (i = 0;i < ent->model->num_texturesperskin;i++)
3321 R_UpdateTextureInfo(ent, ent->model->data_textures + i);
3324 int rsurface_array_size = 0;
3325 float *rsurface_array_modelvertex3f = NULL;
3326 float *rsurface_array_modelsvector3f = NULL;
3327 float *rsurface_array_modeltvector3f = NULL;
3328 float *rsurface_array_modelnormal3f = NULL;
3329 float *rsurface_array_deformedvertex3f = NULL;
3330 float *rsurface_array_deformedsvector3f = NULL;
3331 float *rsurface_array_deformedtvector3f = NULL;
3332 float *rsurface_array_deformednormal3f = NULL;
3333 float *rsurface_array_color4f = NULL;
3334 float *rsurface_array_texcoord3f = NULL;
3336 void R_Mesh_ResizeArrays(int newvertices)
3339 if (rsurface_array_size >= newvertices)
3341 if (rsurface_array_modelvertex3f)
3342 Mem_Free(rsurface_array_modelvertex3f);
3343 rsurface_array_size = (newvertices + 1023) & ~1023;
3344 base = (float *)Mem_Alloc(r_main_mempool, rsurface_array_size * sizeof(float[31]));
3345 rsurface_array_modelvertex3f = base + rsurface_array_size * 0;
3346 rsurface_array_modelsvector3f = base + rsurface_array_size * 3;
3347 rsurface_array_modeltvector3f = base + rsurface_array_size * 6;
3348 rsurface_array_modelnormal3f = base + rsurface_array_size * 9;
3349 rsurface_array_deformedvertex3f = base + rsurface_array_size * 12;
3350 rsurface_array_deformedsvector3f = base + rsurface_array_size * 15;
3351 rsurface_array_deformedtvector3f = base + rsurface_array_size * 18;
3352 rsurface_array_deformednormal3f = base + rsurface_array_size * 21;
3353 rsurface_array_texcoord3f = base + rsurface_array_size * 24;
3354 rsurface_array_color4f = base + rsurface_array_size * 27;
3357 float *rsurface_modelvertex3f;
3358 int rsurface_modelvertex3f_bufferobject;
3359 size_t rsurface_modelvertex3f_bufferoffset;
3360 float *rsurface_modelsvector3f;
3361 int rsurface_modelsvector3f_bufferobject;
3362 size_t rsurface_modelsvector3f_bufferoffset;
3363 float *rsurface_modeltvector3f;
3364 int rsurface_modeltvector3f_bufferobject;
3365 size_t rsurface_modeltvector3f_bufferoffset;
3366 float *rsurface_modelnormal3f;
3367 int rsurface_modelnormal3f_bufferobject;
3368 size_t rsurface_modelnormal3f_bufferoffset;
3369 float *rsurface_vertex3f;
3370 int rsurface_vertex3f_bufferobject;
3371 size_t rsurface_vertex3f_bufferoffset;
3372 float *rsurface_svector3f;
3373 int rsurface_svector3f_bufferobject;
3374 size_t rsurface_svector3f_bufferoffset;
3375 float *rsurface_tvector3f;
3376 int rsurface_tvector3f_bufferobject;
3377 size_t rsurface_tvector3f_bufferoffset;
3378 float *rsurface_normal3f;
3379 int rsurface_normal3f_bufferobject;
3380 size_t rsurface_normal3f_bufferoffset;
3381 float *rsurface_lightmapcolor4f;
3382 int rsurface_lightmapcolor4f_bufferobject;
3383 size_t rsurface_lightmapcolor4f_bufferoffset;
3384 vec3_t rsurface_modelorg;
3385 qboolean rsurface_generatedvertex;
3386 const entity_render_t *rsurface_entity;
3387 const model_t *rsurface_model;
3388 texture_t *rsurface_texture;
3389 qboolean rsurface_uselightmaptexture;
3390 rsurfmode_t rsurface_mode;
3391 int rsurface_lightmode; // 0 = lightmap or fullbright, 1 = color array from q3bsp, 2 = vertex shaded model
3393 void RSurf_CleanUp(void)
3396 if (rsurface_mode == RSURFMODE_GLSL)
3398 qglUseProgramObjectARB(0);CHECKGLERROR
3400 GL_AlphaTest(false);
3401 rsurface_mode = RSURFMODE_NONE;
3402 rsurface_uselightmaptexture = false;
3403 rsurface_texture = NULL;
3406 void RSurf_ActiveWorldEntity(void)
3409 rsurface_entity = r_refdef.worldentity;
3410 rsurface_model = r_refdef.worldmodel;
3411 if (rsurface_array_size < rsurface_model->surfmesh.num_vertices)
3412 R_Mesh_ResizeArrays(rsurface_model->surfmesh.num_vertices);
3413 R_Mesh_Matrix(&identitymatrix);
3414 VectorCopy(r_view.origin, rsurface_modelorg);
3415 rsurface_modelvertex3f = rsurface_model->surfmesh.data_vertex3f;
3416 rsurface_modelvertex3f_bufferobject = rsurface_model->surfmesh.vbo;
3417 rsurface_modelvertex3f_bufferoffset = rsurface_model->surfmesh.vbooffset_vertex3f;
3418 rsurface_modelsvector3f = rsurface_model->surfmesh.data_svector3f;
3419 rsurface_modelsvector3f_bufferobject = rsurface_model->surfmesh.vbo;
3420 rsurface_modelsvector3f_bufferoffset = rsurface_model->surfmesh.vbooffset_svector3f;
3421 rsurface_modeltvector3f = rsurface_model->surfmesh.data_tvector3f;
3422 rsurface_modeltvector3f_bufferobject = rsurface_model->surfmesh.vbo;
3423 rsurface_modeltvector3f_bufferoffset = rsurface_model->surfmesh.vbooffset_tvector3f;
3424 rsurface_modelnormal3f = rsurface_model->surfmesh.data_normal3f;
3425 rsurface_modelnormal3f_bufferobject = rsurface_model->surfmesh.vbo;
3426 rsurface_modelnormal3f_bufferoffset = rsurface_model->surfmesh.vbooffset_normal3f;
3427 rsurface_generatedvertex = false;
3428 rsurface_vertex3f = rsurface_modelvertex3f;
3429 rsurface_vertex3f_bufferobject = rsurface_modelvertex3f_bufferobject;
3430 rsurface_vertex3f_bufferoffset = rsurface_modelvertex3f_bufferoffset;
3431 rsurface_svector3f = rsurface_modelsvector3f;
3432 rsurface_svector3f_bufferobject = rsurface_modelsvector3f_bufferobject;
3433 rsurface_svector3f_bufferoffset = rsurface_modelsvector3f_bufferoffset;
3434 rsurface_tvector3f = rsurface_modeltvector3f;
3435 rsurface_tvector3f_bufferobject = rsurface_modeltvector3f_bufferobject;
3436 rsurface_tvector3f_bufferoffset = rsurface_modeltvector3f_bufferoffset;
3437 rsurface_normal3f = rsurface_modelnormal3f;
3438 rsurface_normal3f_bufferobject = rsurface_modelnormal3f_bufferobject;
3439 rsurface_normal3f_bufferoffset = rsurface_modelnormal3f_bufferoffset;
3442 void RSurf_ActiveModelEntity(const entity_render_t *ent, qboolean wantnormals, qboolean wanttangents)
3445 rsurface_entity = ent;
3446 rsurface_model = ent->model;
3447 if (rsurface_array_size < rsurface_model->surfmesh.num_vertices)
3448 R_Mesh_ResizeArrays(rsurface_model->surfmesh.num_vertices);
3449 R_Mesh_Matrix(&ent->matrix);
3450 Matrix4x4_Transform(&ent->inversematrix, r_view.origin, rsurface_modelorg);
3451 if (rsurface_model->surfmesh.isanimated && (rsurface_entity->frameblend[0].lerp != 1 || rsurface_entity->frameblend[0].frame != 0))
3455 rsurface_modelvertex3f = rsurface_array_modelvertex3f;
3456 rsurface_modelsvector3f = rsurface_array_modelsvector3f;
3457 rsurface_modeltvector3f = rsurface_array_modeltvector3f;
3458 rsurface_modelnormal3f = rsurface_array_modelnormal3f;
3459 Mod_Alias_GetMesh_Vertices(rsurface_model, rsurface_entity->frameblend, rsurface_array_modelvertex3f, rsurface_array_modelnormal3f, rsurface_array_modelsvector3f, rsurface_array_modeltvector3f);
3461 else if (wantnormals)
3463 rsurface_modelvertex3f = rsurface_array_modelvertex3f;
3464 rsurface_modelsvector3f = NULL;
3465 rsurface_modeltvector3f = NULL;
3466 rsurface_modelnormal3f = rsurface_array_modelnormal3f;
3467 Mod_Alias_GetMesh_Vertices(rsurface_model, rsurface_entity->frameblend, rsurface_array_modelvertex3f, rsurface_array_modelnormal3f, NULL, NULL);
3471 rsurface_modelvertex3f = rsurface_array_modelvertex3f;
3472 rsurface_modelsvector3f = NULL;
3473 rsurface_modeltvector3f = NULL;
3474 rsurface_modelnormal3f = NULL;
3475 Mod_Alias_GetMesh_Vertices(rsurface_model, rsurface_entity->frameblend, rsurface_array_modelvertex3f, NULL, NULL, NULL);
3477 rsurface_modelvertex3f_bufferobject = 0;
3478 rsurface_modelvertex3f_bufferoffset = 0;
3479 rsurface_modelsvector3f_bufferobject = 0;
3480 rsurface_modelsvector3f_bufferoffset = 0;
3481 rsurface_modeltvector3f_bufferobject = 0;
3482 rsurface_modeltvector3f_bufferoffset = 0;
3483 rsurface_modelnormal3f_bufferobject = 0;
3484 rsurface_modelnormal3f_bufferoffset = 0;
3485 rsurface_generatedvertex = true;
3489 rsurface_modelvertex3f = rsurface_model->surfmesh.data_vertex3f;
3490 rsurface_modelvertex3f_bufferobject = rsurface_model->surfmesh.vbo;
3491 rsurface_modelvertex3f_bufferoffset = rsurface_model->surfmesh.vbooffset_vertex3f;
3492 rsurface_modelsvector3f = rsurface_model->surfmesh.data_svector3f;
3493 rsurface_modelsvector3f_bufferobject = rsurface_model->surfmesh.vbo;
3494 rsurface_modelsvector3f_bufferoffset = rsurface_model->surfmesh.vbooffset_svector3f;
3495 rsurface_modeltvector3f = rsurface_model->surfmesh.data_tvector3f;
3496 rsurface_modeltvector3f_bufferobject = rsurface_model->surfmesh.vbo;
3497 rsurface_modeltvector3f_bufferoffset = rsurface_model->surfmesh.vbooffset_tvector3f;
3498 rsurface_modelnormal3f = rsurface_model->surfmesh.data_normal3f;
3499 rsurface_modelnormal3f_bufferobject = rsurface_model->surfmesh.vbo;
3500 rsurface_modelnormal3f_bufferoffset = rsurface_model->surfmesh.vbooffset_normal3f;
3501 rsurface_generatedvertex = false;
3503 rsurface_vertex3f = rsurface_modelvertex3f;
3504 rsurface_vertex3f_bufferobject = rsurface_modelvertex3f_bufferobject;
3505 rsurface_vertex3f_bufferoffset = rsurface_modelvertex3f_bufferoffset;
3506 rsurface_svector3f = rsurface_modelsvector3f;
3507 rsurface_svector3f_bufferobject = rsurface_modelsvector3f_bufferobject;
3508 rsurface_svector3f_bufferoffset = rsurface_modelsvector3f_bufferoffset;
3509 rsurface_tvector3f = rsurface_modeltvector3f;
3510 rsurface_tvector3f_bufferobject = rsurface_modeltvector3f_bufferobject;
3511 rsurface_tvector3f_bufferoffset = rsurface_modeltvector3f_bufferoffset;
3512 rsurface_normal3f = rsurface_modelnormal3f;
3513 rsurface_normal3f_bufferobject = rsurface_modelnormal3f_bufferobject;
3514 rsurface_normal3f_bufferoffset = rsurface_modelnormal3f_bufferoffset;
3517 void RSurf_PrepareVerticesForBatch(qboolean generatenormals, qboolean generatetangents, int texturenumsurfaces, msurface_t **texturesurfacelist)
3519 // 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
3520 if (rsurface_generatedvertex)
3522 if (rsurface_texture->textureflags & (Q3TEXTUREFLAG_AUTOSPRITE | Q3TEXTUREFLAG_AUTOSPRITE2))
3523 generatetangents = true;
3524 if (generatetangents)
3525 generatenormals = true;
3526 if (generatenormals && !rsurface_modelnormal3f)
3528 rsurface_normal3f = rsurface_modelnormal3f = rsurface_array_modelnormal3f;
3529 rsurface_normal3f_bufferobject = rsurface_modelnormal3f_bufferobject = 0;
3530 rsurface_normal3f_bufferoffset = rsurface_modelnormal3f_bufferoffset = 0;
3531 Mod_BuildNormals(0, rsurface_model->surfmesh.num_vertices, rsurface_model->surfmesh.num_triangles, rsurface_modelvertex3f, rsurface_model->surfmesh.data_element3i, rsurface_array_modelnormal3f, r_smoothnormals_areaweighting.integer);
3533 if (generatetangents && !rsurface_modelsvector3f)
3535 rsurface_svector3f = rsurface_modelsvector3f = rsurface_array_modelsvector3f;
3536 rsurface_svector3f_bufferobject = rsurface_modelsvector3f_bufferobject = 0;
3537 rsurface_svector3f_bufferoffset = rsurface_modelsvector3f_bufferoffset = 0;
3538 rsurface_tvector3f = rsurface_modeltvector3f = rsurface_array_modeltvector3f;
3539 rsurface_tvector3f_bufferobject = rsurface_modeltvector3f_bufferobject = 0;
3540 rsurface_tvector3f_bufferoffset = rsurface_modeltvector3f_bufferoffset = 0;
3541 Mod_BuildTextureVectorsFromNormals(0, rsurface_model->surfmesh.num_vertices, rsurface_model->surfmesh.num_triangles, rsurface_modelvertex3f, rsurface_model->surfmesh.data_texcoordtexture2f, rsurface_modelnormal3f, rsurface_model->surfmesh.data_element3i, rsurface_array_modelsvector3f, rsurface_array_modeltvector3f, r_smoothnormals_areaweighting.integer);
3544 // if vertices are deformed (sprite flares and things in maps, possibly water waves, bulges and other deformations), generate them into rsurface_deform* arrays from whatever the rsurface_model* array pointers point to (may be static model data or generated data for an animated model)
3545 if (rsurface_texture->textureflags & (Q3TEXTUREFLAG_AUTOSPRITE | Q3TEXTUREFLAG_AUTOSPRITE2))
3547 int texturesurfaceindex;
3548 float center[3], forward[3], right[3], up[3], v[4][3];
3549 matrix4x4_t matrix1, imatrix1;
3550 Matrix4x4_Transform(&rsurface_entity->inversematrix, r_view.forward, forward);
3551 Matrix4x4_Transform(&rsurface_entity->inversematrix, r_view.right, right);
3552 Matrix4x4_Transform(&rsurface_entity->inversematrix, r_view.up, up);
3553 // make deformed versions of only the model vertices used by the specified surfaces
3554 for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
3557 const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
3558 // a single autosprite surface can contain multiple sprites...
3559 for (j = 0;j < surface->num_vertices - 3;j += 4)
3561 VectorClear(center);
3562 for (i = 0;i < 4;i++)
3563 VectorAdd(center, (rsurface_modelvertex3f + 3 * surface->num_firstvertex) + (j+i) * 3, center);
3564 VectorScale(center, 0.25f, center);
3565 if (rsurface_texture->textureflags & Q3TEXTUREFLAG_AUTOSPRITE2)
3567 forward[0] = rsurface_modelorg[0] - center[0];
3568 forward[1] = rsurface_modelorg[1] - center[1];
3570 VectorNormalize(forward);
3571 right[0] = forward[1];
3572 right[1] = -forward[0];
3574 VectorSet(up, 0, 0, 1);
3576 // FIXME: calculate vectors from triangle edges instead of using texture vectors as an easy way out?
3577 Matrix4x4_FromVectors(&matrix1, (rsurface_modelnormal3f + 3 * surface->num_firstvertex) + j*3, (rsurface_modelsvector3f + 3 * surface->num_firstvertex) + j*3, (rsurface_modeltvector3f + 3 * surface->num_firstvertex) + j*3, center);
3578 Matrix4x4_Invert_Simple(&imatrix1, &matrix1);
3579 for (i = 0;i < 4;i++)
3580 Matrix4x4_Transform(&imatrix1, (rsurface_modelvertex3f + 3 * surface->num_firstvertex) + (j+i)*3, v[i]);
3581 for (i = 0;i < 4;i++)
3582 VectorMAMAMAM(1, center, v[i][0], forward, v[i][1], right, v[i][2], up, rsurface_array_deformedvertex3f + (surface->num_firstvertex+i+j) * 3);
3584 Mod_BuildNormals(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, rsurface_modelvertex3f, rsurface_model->surfmesh.data_element3i + surface->num_firsttriangle * 3, rsurface_array_deformednormal3f, r_smoothnormals_areaweighting.integer);
3585 Mod_BuildTextureVectorsFromNormals(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, rsurface_modelvertex3f, rsurface_model->surfmesh.data_texcoordtexture2f, rsurface_array_deformednormal3f, rsurface_model->surfmesh.data_element3i + surface->num_firsttriangle * 3, rsurface_array_deformedsvector3f, rsurface_array_deformedtvector3f, r_smoothnormals_areaweighting.integer);
3587 rsurface_vertex3f = rsurface_array_deformedvertex3f;
3588 rsurface_vertex3f_bufferobject = 0;
3589 rsurface_vertex3f_bufferoffset = 0;
3590 rsurface_svector3f = rsurface_array_deformedsvector3f;
3591 rsurface_svector3f_bufferobject = 0;
3592 rsurface_svector3f_bufferoffset = 0;
3593 rsurface_tvector3f = rsurface_array_deformedtvector3f;
3594 rsurface_tvector3f_bufferobject = 0;
3595 rsurface_tvector3f_bufferoffset = 0;
3596 rsurface_normal3f = rsurface_array_deformednormal3f;
3597 rsurface_normal3f_bufferobject = 0;
3598 rsurface_normal3f_bufferoffset = 0;
3602 rsurface_vertex3f = rsurface_modelvertex3f;
3603 rsurface_vertex3f_bufferobject = rsurface_modelvertex3f_bufferobject;
3604 rsurface_vertex3f_bufferoffset = rsurface_modelvertex3f_bufferoffset;
3605 rsurface_svector3f = rsurface_modelsvector3f;
3606 rsurface_svector3f_bufferobject = rsurface_modelsvector3f_bufferobject;
3607 rsurface_svector3f_bufferoffset = rsurface_modelsvector3f_bufferoffset;
3608 rsurface_tvector3f = rsurface_modeltvector3f;
3609 rsurface_tvector3f_bufferobject = rsurface_modeltvector3f_bufferobject;
3610 rsurface_tvector3f_bufferoffset = rsurface_modeltvector3f_bufferoffset;
3611 rsurface_normal3f = rsurface_modelnormal3f;
3612 rsurface_normal3f_bufferobject = rsurface_modelnormal3f_bufferobject;
3613 rsurface_normal3f_bufferoffset = rsurface_modelnormal3f_bufferoffset;
3615 R_Mesh_VertexPointer(rsurface_vertex3f, rsurface_vertex3f_bufferobject, rsurface_vertex3f_bufferoffset);
3618 void RSurf_DrawBatch_Simple(int texturenumsurfaces, msurface_t **texturesurfacelist)
3621 const msurface_t *surface = texturesurfacelist[0];
3622 const msurface_t *surface2;
3627 // TODO: lock all array ranges before render, rather than on each surface
3628 if (texturenumsurfaces == 1)
3630 GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
3631 R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, (rsurface_model->surfmesh.data_element3i + 3 * surface->num_firsttriangle), rsurface_model->surfmesh.ebo, (sizeof(int[3]) * surface->num_firsttriangle));
3633 else if (r_batchmode.integer == 2)
3635 #define MAXBATCHTRIANGLES 4096
3636 int batchtriangles = 0;
3637 int batchelements[MAXBATCHTRIANGLES*3];
3638 for (i = 0;i < texturenumsurfaces;i = j)
3640 surface = texturesurfacelist[i];
3642 if (surface->num_triangles > MAXBATCHTRIANGLES)
3644 R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, (rsurface_model->surfmesh.data_element3i + 3 * surface->num_firsttriangle), rsurface_model->surfmesh.ebo, (sizeof(int[3]) * surface->num_firsttriangle));
3647 memcpy(batchelements, rsurface_model->surfmesh.data_element3i + 3 * surface->num_firsttriangle, surface->num_triangles * sizeof(int[3]));
3648 batchtriangles = surface->num_triangles;
3649 firstvertex = surface->num_firstvertex;
3650 endvertex = surface->num_firstvertex + surface->num_vertices;
3651 for (;j < texturenumsurfaces;j++)
3653 surface2 = texturesurfacelist[j];
3654 if (batchtriangles + surface2->num_triangles > MAXBATCHTRIANGLES)
3656 memcpy(batchelements + batchtriangles * 3, rsurface_model->surfmesh.data_element3i + 3 * surface2->num_firsttriangle, surface2->num_triangles * sizeof(int[3]));
3657 batchtriangles += surface2->num_triangles;
3658 firstvertex = min(firstvertex, surface2->num_firstvertex);
3659 endvertex = max(endvertex, surface2->num_firstvertex + surface2->num_vertices);
3661 surface2 = texturesurfacelist[j-1];
3662 numvertices = endvertex - firstvertex;
3663 R_Mesh_Draw(firstvertex, numvertices, batchtriangles, batchelements, 0, 0);
3666 else if (r_batchmode.integer == 1)
3668 for (i = 0;i < texturenumsurfaces;i = j)
3670 surface = texturesurfacelist[i];
3671 for (j = i + 1, surface2 = surface + 1;j < texturenumsurfaces;j++, surface2++)
3672 if (texturesurfacelist[j] != surface2)
3674 surface2 = texturesurfacelist[j-1];
3675 numvertices = surface2->num_firstvertex + surface2->num_vertices - surface->num_firstvertex;
3676 numtriangles = surface2->num_firsttriangle + surface2->num_triangles - surface->num_firsttriangle;
3677 GL_LockArrays(surface->num_firstvertex, numvertices);
3678 R_Mesh_Draw(surface->num_firstvertex, numvertices, numtriangles, (rsurface_model->surfmesh.data_element3i + 3 * surface->num_firsttriangle), rsurface_model->surfmesh.ebo, (sizeof(int[3]) * surface->num_firsttriangle));
3683 for (i = 0;i < texturenumsurfaces;i++)
3685 surface = texturesurfacelist[i];
3686 GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
3687 R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, (rsurface_model->surfmesh.data_element3i + 3 * surface->num_firsttriangle), rsurface_model->surfmesh.ebo, (sizeof(int[3]) * surface->num_firsttriangle));
3692 static void RSurf_DrawBatch_WithLightmapSwitching(int texturenumsurfaces, msurface_t **texturesurfacelist, int lightmaptexunit, int deluxemaptexunit)
3696 const msurface_t *surface = texturesurfacelist[0];
3697 const msurface_t *surface2;
3702 // TODO: lock all array ranges before render, rather than on each surface
3703 if (texturenumsurfaces == 1)
3705 R_Mesh_TexBind(lightmaptexunit, R_GetTexture(surface->lightmaptexture));
3706 if (deluxemaptexunit >= 0)
3707 R_Mesh_TexBind(deluxemaptexunit, R_GetTexture(surface->deluxemaptexture));
3708 GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
3709 R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, (rsurface_model->surfmesh.data_element3i + 3 * surface->num_firsttriangle), rsurface_model->surfmesh.ebo, (sizeof(int[3]) * surface->num_firsttriangle));
3711 else if (r_batchmode.integer == 2)
3713 #define MAXBATCHTRIANGLES 4096
3714 int batchtriangles = 0;
3715 int batchelements[MAXBATCHTRIANGLES*3];
3716 for (i = 0;i < texturenumsurfaces;i = j)
3718 surface = texturesurfacelist[i];
3719 R_Mesh_TexBind(lightmaptexunit, R_GetTexture(surface->lightmaptexture));
3720 if (deluxemaptexunit >= 0)
3721 R_Mesh_TexBind(deluxemaptexunit, R_GetTexture(surface->deluxemaptexture));
3723 if (surface->num_triangles > MAXBATCHTRIANGLES)
3725 R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, (rsurface_model->surfmesh.data_element3i + 3 * surface->num_firsttriangle), rsurface_model->surfmesh.ebo, (sizeof(int[3]) * surface->num_firsttriangle));
3728 memcpy(batchelements, rsurface_model->surfmesh.data_element3i + 3 * surface->num_firsttriangle, surface->num_triangles * sizeof(int[3]));
3729 batchtriangles = surface->num_triangles;
3730 firstvertex = surface->num_firstvertex;
3731 endvertex = surface->num_firstvertex + surface->num_vertices;
3732 for (;j < texturenumsurfaces;j++)
3734 surface2 = texturesurfacelist[j];
3735 if (surface2->lightmaptexture != surface->lightmaptexture || batchtriangles + surface2->num_triangles > MAXBATCHTRIANGLES)
3737 memcpy(batchelements + batchtriangles * 3, rsurface_model->surfmesh.data_element3i + 3 * surface2->num_firsttriangle, surface2->num_triangles * sizeof(int[3]));
3738 batchtriangles += surface2->num_triangles;
3739 firstvertex = min(firstvertex, surface2->num_firstvertex);
3740 endvertex = max(endvertex, surface2->num_firstvertex + surface2->num_vertices);
3742 surface2 = texturesurfacelist[j-1];
3743 numvertices = endvertex - firstvertex;
3744 R_Mesh_Draw(firstvertex, numvertices, batchtriangles, batchelements, 0, 0);
3747 else if (r_batchmode.integer == 1)
3750 Con_Printf("%s batch sizes ignoring lightmap:", rsurface_texture->name);
3751 for (i = 0;i < texturenumsurfaces;i = j)
3753 surface = texturesurfacelist[i];
3754 for (j = i + 1, surface2 = surface + 1;j < texturenumsurfaces;j++, surface2++)
3755 if (texturesurfacelist[j] != surface2)
3757 Con_Printf(" %i", j - i);
3760 Con_Printf("%s batch sizes honoring lightmap:", rsurface_texture->name);
3762 for (i = 0;i < texturenumsurfaces;i = j)
3764 surface = texturesurfacelist[i];
3765 R_Mesh_TexBind(lightmaptexunit, R_GetTexture(surface->lightmaptexture));
3766 if (deluxemaptexunit >= 0)
3767 R_Mesh_TexBind(deluxemaptexunit, R_GetTexture(surface->deluxemaptexture));
3768 for (j = i + 1, surface2 = surface + 1;j < texturenumsurfaces;j++, surface2++)
3769 if (texturesurfacelist[j] != surface2 || texturesurfacelist[j]->lightmaptexture != surface->lightmaptexture)
3772 Con_Printf(" %i", j - i);
3774 surface2 = texturesurfacelist[j-1];
3775 numvertices = surface2->num_firstvertex + surface2->num_vertices - surface->num_firstvertex;
3776 numtriangles = surface2->num_firsttriangle + surface2->num_triangles - surface->num_firsttriangle;
3777 GL_LockArrays(surface->num_firstvertex, numvertices);
3778 R_Mesh_Draw(surface->num_firstvertex, numvertices, numtriangles, (rsurface_model->surfmesh.data_element3i + 3 * surface->num_firsttriangle), rsurface_model->surfmesh.ebo, (sizeof(int[3]) * surface->num_firsttriangle));
3786 for (i = 0;i < texturenumsurfaces;i++)
3788 surface = texturesurfacelist[i];
3789 R_Mesh_TexBind(lightmaptexunit, R_GetTexture(surface->lightmaptexture));
3790 if (deluxemaptexunit >= 0)
3791 R_Mesh_TexBind(deluxemaptexunit, R_GetTexture(surface->deluxemaptexture));
3792 GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
3793 R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, (rsurface_model->surfmesh.data_element3i + 3 * surface->num_firsttriangle), rsurface_model->surfmesh.ebo, (sizeof(int[3]) * surface->num_firsttriangle));
3798 static void RSurf_DrawBatch_ShowSurfaces(int texturenumsurfaces, msurface_t **texturesurfacelist)
3801 int texturesurfaceindex;
3802 if (r_showsurfaces.integer == 2)
3804 for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
3806 const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
3807 for (j = 0;j < surface->num_triangles;j++)
3809 float f = ((j + surface->num_firsttriangle) & 31) * (1.0f / 31.0f) * r_view.colorscale;
3810 GL_Color(f, f, f, 1);
3811 R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, 1, (rsurface_model->surfmesh.data_element3i + 3 * (j + surface->num_firsttriangle)), rsurface_model->surfmesh.ebo, (sizeof(int[3]) * (j + surface->num_firsttriangle)));
3817 for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
3819 const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
3820 int k = (int)(((size_t)surface) / sizeof(msurface_t));
3821 GL_Color((k & 15) * (1.0f / 16.0f) * r_view.colorscale, ((k >> 4) & 15) * (1.0f / 16.0f) * r_view.colorscale, ((k >> 8) & 15) * (1.0f / 16.0f) * r_view.colorscale, 1);
3822 GL_LockArrays(surface->num_firstvertex, surface->num_vertices);
3823 R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, (rsurface_model->surfmesh.data_element3i + 3 * surface->num_firsttriangle), rsurface_model->surfmesh.ebo, (sizeof(int[3]) * surface->num_firsttriangle));
3828 static void RSurf_DrawBatch_GL11_ApplyFog(int texturenumsurfaces, msurface_t **texturesurfacelist)
3830 int texturesurfaceindex;
3834 if (rsurface_lightmapcolor4f)
3836 // generate color arrays for the surfaces in this list
3837 for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
3839 const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
3840 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)
3842 f = FogPoint_Model(v);
3852 for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
3854 const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
3855 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)
3857 f = FogPoint_Model(v);
3865 rsurface_lightmapcolor4f = rsurface_array_color4f;
3866 rsurface_lightmapcolor4f_bufferobject = 0;
3867 rsurface_lightmapcolor4f_bufferoffset = 0;
3870 static void RSurf_DrawBatch_GL11_ApplyColor(int texturenumsurfaces, msurface_t **texturesurfacelist, float r, float g, float b, float a)
3872 int texturesurfaceindex;
3875 if (!rsurface_lightmapcolor4f)
3877 for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
3879 const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
3880 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)
3888 rsurface_lightmapcolor4f = rsurface_array_color4f;
3889 rsurface_lightmapcolor4f_bufferobject = 0;
3890 rsurface_lightmapcolor4f_bufferoffset = 0;
3893 static void RSurf_DrawBatch_GL11_Lightmap(int texturenumsurfaces, msurface_t **texturesurfacelist, float r, float g, float b, float a, qboolean applycolor, qboolean applyfog)
3896 rsurface_lightmapcolor4f = NULL;
3897 rsurface_lightmapcolor4f_bufferobject = 0;
3898 rsurface_lightmapcolor4f_bufferoffset = 0;
3899 if (applyfog) RSurf_DrawBatch_GL11_ApplyFog(texturenumsurfaces, texturesurfacelist);
3900 if (applycolor) RSurf_DrawBatch_GL11_ApplyColor(texturenumsurfaces, texturesurfacelist, r, g, b, a);
3901 R_Mesh_ColorPointer(rsurface_lightmapcolor4f, rsurface_lightmapcolor4f_bufferobject, rsurface_lightmapcolor4f_bufferoffset);
3902 GL_Color(r, g, b, a);
3903 RSurf_DrawBatch_WithLightmapSwitching(texturenumsurfaces, texturesurfacelist, 0, -1);
3906 static void RSurf_DrawBatch_GL11_Unlit(int texturenumsurfaces, msurface_t **texturesurfacelist, float r, float g, float b, float a, qboolean applycolor, qboolean applyfog)
3908 // TODO: optimize applyfog && applycolor case
3909 // just apply fog if necessary, and tint the fog color array if necessary
3910 rsurface_lightmapcolor4f = NULL;
3911 rsurface_lightmapcolor4f_bufferobject = 0;
3912 rsurface_lightmapcolor4f_bufferoffset = 0;
3913 if (applyfog) RSurf_DrawBatch_GL11_ApplyFog(texturenumsurfaces, texturesurfacelist);
3914 if (applycolor) RSurf_DrawBatch_GL11_ApplyColor(texturenumsurfaces, texturesurfacelist, r, g, b, a);
3915 R_Mesh_ColorPointer(rsurface_lightmapcolor4f, rsurface_lightmapcolor4f_bufferobject, rsurface_lightmapcolor4f_bufferoffset);
3916 GL_Color(r, g, b, a);
3917 RSurf_DrawBatch_Simple(texturenumsurfaces, texturesurfacelist);
3920 static void RSurf_DrawBatch_GL11_VertexColor(int texturenumsurfaces, msurface_t **texturesurfacelist, float r, float g, float b, float a, qboolean applycolor, qboolean applyfog)
3922 int texturesurfaceindex;
3926 if (texturesurfacelist[0]->lightmapinfo && texturesurfacelist[0]->lightmapinfo->stainsamples)
3928 // generate color arrays for the surfaces in this list
3929 for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
3931 const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
3932 for (i = 0, c = rsurface_array_color4f + 4 * surface->num_firstvertex;i < surface->num_vertices;i++, c += 4)
3934 if (surface->lightmapinfo->samples)
3936 const unsigned char *lm = surface->lightmapinfo->samples + (rsurface_model->surfmesh.data_lightmapoffsets + surface->num_firstvertex)[i];
3937 float scale = r_refdef.lightstylevalue[surface->lightmapinfo->styles[0]] * (1.0f / 32768.0f);
3938 VectorScale(lm, scale, c);
3939 if (surface->lightmapinfo->styles[1] != 255)
3941 int size3 = ((surface->lightmapinfo->extents[0]>>4)+1)*((surface->lightmapinfo->extents[1]>>4)+1)*3;
3943 scale = r_refdef.lightstylevalue[surface->lightmapinfo->styles[1]] * (1.0f / 32768.0f);
3944 VectorMA(c, scale, lm, c);
3945 if (surface->lightmapinfo->styles[2] != 255)
3948 scale = r_refdef.lightstylevalue[surface->lightmapinfo->styles[2]] * (1.0f / 32768.0f);
3949 VectorMA(c, scale, lm, c);
3950 if (surface->lightmapinfo->styles[3] != 255)
3953 scale = r_refdef.lightstylevalue[surface->lightmapinfo->styles[3]] * (1.0f / 32768.0f);
3954 VectorMA(c, scale, lm, c);
3964 rsurface_lightmapcolor4f = rsurface_array_color4f;
3965 rsurface_lightmapcolor4f_bufferobject = 0;
3966 rsurface_lightmapcolor4f_bufferoffset = 0;
3970 rsurface_lightmapcolor4f = rsurface_model->surfmesh.data_lightmapcolor4f;
3971 rsurface_lightmapcolor4f_bufferobject = rsurface_model->surfmesh.vbo;
3972 rsurface_lightmapcolor4f_bufferoffset = rsurface_model->surfmesh.vbooffset_lightmapcolor4f;
3974 if (applyfog) RSurf_DrawBatch_GL11_ApplyFog(texturenumsurfaces, texturesurfacelist);
3975 if (applycolor) RSurf_DrawBatch_GL11_ApplyColor(texturenumsurfaces, texturesurfacelist, r, g, b, a);
3976 R_Mesh_ColorPointer(rsurface_lightmapcolor4f, rsurface_lightmapcolor4f_bufferobject, rsurface_lightmapcolor4f_bufferoffset);
3977 GL_Color(r, g, b, a);
3978 RSurf_DrawBatch_Simple(texturenumsurfaces, texturesurfacelist);
3981 static void RSurf_DrawBatch_GL11_VertexShade(int texturenumsurfaces, msurface_t **texturesurfacelist, float r, float g, float b, float a, qboolean applycolor, qboolean applyfog)
3983 int texturesurfaceindex;
3987 vec3_t ambientcolor;
3988 vec3_t diffusecolor;
3992 VectorCopy(rsurface_entity->modellight_lightdir, lightdir);
3993 ambientcolor[0] = rsurface_entity->modellight_ambient[0] * r * 0.5f;
3994 ambientcolor[1] = rsurface_entity->modellight_ambient[1] * g * 0.5f;
3995 ambientcolor[2] = rsurface_entity->modellight_ambient[2] * b * 0.5f;
3996 diffusecolor[0] = rsurface_entity->modellight_diffuse[0] * r * 0.5f;
3997 diffusecolor[1] = rsurface_entity->modellight_diffuse[1] * g * 0.5f;
3998 diffusecolor[2] = rsurface_entity->modellight_diffuse[2] * b * 0.5f;
3999 if (VectorLength2(diffusecolor) > 0)
4001 // generate color arrays for the surfaces in this list
4002 for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
4004 const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
4005 int numverts = surface->num_vertices;
4006 v = rsurface_vertex3f + 3 * surface->num_firstvertex;
4007 c2 = rsurface_normal3f + 3 * surface->num_firstvertex;
4008 c = rsurface_array_color4f + 4 * surface->num_firstvertex;
4009 // q3-style directional shading
4010 for (i = 0;i < numverts;i++, v += 3, c2 += 3, c += 4)
4012 if ((f = DotProduct(c2, lightdir)) > 0)
4013 VectorMA(ambientcolor, f, diffusecolor, c);
4015 VectorCopy(ambientcolor, c);
4024 rsurface_lightmapcolor4f = rsurface_array_color4f;
4025 rsurface_lightmapcolor4f_bufferobject = 0;
4026 rsurface_lightmapcolor4f_bufferoffset = 0;
4030 r = ambientcolor[0];
4031 g = ambientcolor[1];
4032 b = ambientcolor[2];
4033 rsurface_lightmapcolor4f = NULL;
4034 rsurface_lightmapcolor4f_bufferobject = 0;
4035 rsurface_lightmapcolor4f_bufferoffset = 0;
4037 if (applyfog) RSurf_DrawBatch_GL11_ApplyFog(texturenumsurfaces, texturesurfacelist);
4038 if (applycolor) RSurf_DrawBatch_GL11_ApplyColor(texturenumsurfaces, texturesurfacelist, r, g, b, a);
4039 R_Mesh_ColorPointer(rsurface_lightmapcolor4f, rsurface_lightmapcolor4f_bufferobject, rsurface_lightmapcolor4f_bufferoffset);
4040 GL_Color(r, g, b, a);
4041 RSurf_DrawBatch_Simple(texturenumsurfaces, texturesurfacelist);
4044 static void R_DrawTextureSurfaceList_ShowSurfaces(int texturenumsurfaces, msurface_t **texturesurfacelist)
4046 GL_DepthRange(0, (rsurface_texture->currentmaterialflags & MATERIALFLAG_SHORTDEPTHRANGE) ? 0.0625 : 1);
4047 GL_DepthTest(!(rsurface_texture->currentmaterialflags & MATERIALFLAG_NODEPTHTEST));
4048 GL_CullFace((rsurface_texture->currentmaterialflags & MATERIALFLAG_NOCULLFACE) ? GL_NONE : GL_FRONT); // quake is backwards, this culls back faces
4049 if (rsurface_mode != RSURFMODE_SHOWSURFACES)
4051 rsurface_mode = RSURFMODE_SHOWSURFACES;
4053 GL_BlendFunc(GL_ONE, GL_ZERO);
4054 R_Mesh_ColorPointer(NULL, 0, 0);
4055 R_Mesh_ResetTextureState();
4057 RSurf_PrepareVerticesForBatch(false, false, texturenumsurfaces, texturesurfacelist);
4058 RSurf_DrawBatch_ShowSurfaces(texturenumsurfaces, texturesurfacelist);
4061 static void R_DrawTextureSurfaceList_Sky(int texturenumsurfaces, msurface_t **texturesurfacelist)
4063 // transparent sky would be ridiculous
4064 if ((rsurface_texture->currentmaterialflags & MATERIALFLAGMASK_DEPTHSORTED))
4066 if (rsurface_mode != RSURFMODE_SKY)
4068 if (rsurface_mode == RSURFMODE_GLSL)
4070 qglUseProgramObjectARB(0);CHECKGLERROR
4072 rsurface_mode = RSURFMODE_SKY;
4076 skyrendernow = false;
4078 // restore entity matrix
4079 R_Mesh_Matrix(&rsurface_entity->matrix);
4081 GL_DepthRange(0, (rsurface_texture->currentmaterialflags & MATERIALFLAG_SHORTDEPTHRANGE) ? 0.0625 : 1);
4082 GL_DepthTest(!(rsurface_texture->currentmaterialflags & MATERIALFLAG_NODEPTHTEST));
4083 GL_CullFace((rsurface_texture->currentmaterialflags & MATERIALFLAG_NOCULLFACE) ? GL_NONE : GL_FRONT); // quake is backwards, this culls back faces
4085 // LordHavoc: HalfLife maps have freaky skypolys so don't use
4086 // skymasking on them, and Quake3 never did sky masking (unlike
4087 // software Quake and software Quake2), so disable the sky masking
4088 // in Quake3 maps as it causes problems with q3map2 sky tricks,
4089 // and skymasking also looks very bad when noclipping outside the
4090 // level, so don't use it then either.
4091 if (rsurface_model->type == mod_brushq1 && r_q1bsp_skymasking.integer && !r_viewcache.world_novis)
4093 GL_Color(r_refdef.fogcolor[0] * r_view.colorscale, r_refdef.fogcolor[1] * r_view.colorscale, r_refdef.fogcolor[2] * r_view.colorscale, 1);
4094 R_Mesh_ColorPointer(NULL, 0, 0);
4095 R_Mesh_ResetTextureState();
4096 if (skyrendermasked)
4098 // depth-only (masking)
4099 GL_ColorMask(0,0,0,0);
4100 // just to make sure that braindead drivers don't draw
4101 // anything despite that colormask...
4102 GL_BlendFunc(GL_ZERO, GL_ONE);
4107 GL_BlendFunc(GL_ONE, GL_ZERO);
4109 RSurf_PrepareVerticesForBatch(false, false, texturenumsurfaces, texturesurfacelist);
4110 RSurf_DrawBatch_Simple(texturenumsurfaces, texturesurfacelist);
4111 if (skyrendermasked)
4112 GL_ColorMask(r_view.colormask[0], r_view.colormask[1], r_view.colormask[2], 1);
4116 static void R_DrawTextureSurfaceList_GL20(int texturenumsurfaces, msurface_t **texturesurfacelist)
4118 if (rsurface_mode != RSURFMODE_GLSL)
4120 rsurface_mode = RSURFMODE_GLSL;
4121 R_Mesh_ResetTextureState();
4124 R_SetupSurfaceShader(vec3_origin, rsurface_lightmode == 2, 1, 1, rsurface_texture->specularscale);
4125 if (!r_glsl_permutation)
4128 if (rsurface_lightmode == 2)
4129 RSurf_PrepareVerticesForBatch(true, r_glsl_permutation->loc_Texture_Normal >= 0, texturenumsurfaces, texturesurfacelist);
4131 RSurf_PrepareVerticesForBatch(r_glsl_permutation->loc_Texture_Normal >= 0, r_glsl_permutation->loc_Texture_Normal >= 0, texturenumsurfaces, texturesurfacelist);
4132 R_Mesh_TexCoordPointer(0, 2, rsurface_model->surfmesh.data_texcoordtexture2f, rsurface_model->surfmesh.vbo, rsurface_model->surfmesh.vbooffset_texcoordtexture2f);
4133 R_Mesh_TexCoordPointer(1, 3, rsurface_svector3f, rsurface_svector3f_bufferobject, rsurface_svector3f_bufferoffset);
4134 R_Mesh_TexCoordPointer(2, 3, rsurface_tvector3f, rsurface_tvector3f_bufferobject, rsurface_tvector3f_bufferoffset);
4135 R_Mesh_TexCoordPointer(3, 3, rsurface_normal3f, rsurface_normal3f_bufferobject, rsurface_normal3f_bufferoffset);
4136 R_Mesh_TexCoordPointer(4, 2, rsurface_model->surfmesh.data_texcoordlightmap2f, rsurface_model->surfmesh.vbo, rsurface_model->surfmesh.vbooffset_texcoordlightmap2f);
4138 if (rsurface_texture->currentmaterialflags & MATERIALFLAG_FULLBRIGHT)
4140 R_Mesh_TexBind(7, R_GetTexture(r_texture_white));
4141 if (r_glsl_permutation->loc_Texture_Deluxemap >= 0)
4142 R_Mesh_TexBind(8, R_GetTexture(r_texture_blanknormalmap));
4143 R_Mesh_ColorPointer(NULL, 0, 0);
4145 else if (rsurface_uselightmaptexture)
4147 R_Mesh_TexBind(7, R_GetTexture(texturesurfacelist[0]->lightmaptexture));
4148 if (r_glsl_permutation->loc_Texture_Deluxemap >= 0)
4149 R_Mesh_TexBind(8, R_GetTexture(texturesurfacelist[0]->deluxemaptexture));
4150 R_Mesh_ColorPointer(NULL, 0, 0);
4154 R_Mesh_TexBind(7, R_GetTexture(r_texture_white));
4155 if (r_glsl_permutation->loc_Texture_Deluxemap >= 0)
4156 R_Mesh_TexBind(8, R_GetTexture(r_texture_blanknormalmap));
4157 R_Mesh_ColorPointer(rsurface_model->surfmesh.data_lightmapcolor4f, rsurface_model->surfmesh.vbo, rsurface_model->surfmesh.vbooffset_lightmapcolor4f);
4160 if (rsurface_uselightmaptexture && !(rsurface_texture->currentmaterialflags & MATERIALFLAG_FULLBRIGHT))
4161 RSurf_DrawBatch_WithLightmapSwitching(texturenumsurfaces, texturesurfacelist, 7, r_glsl_permutation->loc_Texture_Deluxemap >= 0 ? 8 : -1);
4163 RSurf_DrawBatch_Simple(texturenumsurfaces, texturesurfacelist);
4164 if (rsurface_texture->backgroundnumskinframes && !(rsurface_texture->currentmaterialflags & MATERIALFLAGMASK_DEPTHSORTED))
4169 static void R_DrawTextureSurfaceList_GL13(int texturenumsurfaces, msurface_t **texturesurfacelist)
4171 // OpenGL 1.3 path - anything not completely ancient
4172 int texturesurfaceindex;
4173 qboolean applycolor;
4177 const texturelayer_t *layer;
4178 if (rsurface_mode != RSURFMODE_MULTIPASS)
4179 rsurface_mode = RSURFMODE_MULTIPASS;
4180 RSurf_PrepareVerticesForBatch(true, false, texturenumsurfaces, texturesurfacelist);
4181 for (layerindex = 0, layer = rsurface_texture->currentlayers;layerindex < rsurface_texture->currentnumlayers;layerindex++, layer++)
4184 int layertexrgbscale;
4185 if (rsurface_texture->currentmaterialflags & MATERIALFLAG_ALPHATEST)
4187 if (layerindex == 0)
4191 GL_AlphaTest(false);
4192 qglDepthFunc(GL_EQUAL);CHECKGLERROR
4195 GL_DepthMask(layer->depthmask);
4196 GL_BlendFunc(layer->blendfunc1, layer->blendfunc2);
4197 if ((layer->color[0] > 2 || layer->color[1] > 2 || layer->color[2] > 2) && (gl_combine.integer || layer->depthmask))
4199 layertexrgbscale = 4;
4200 VectorScale(layer->color, 0.25f, layercolor);
4202 else if ((layer->color[0] > 1 || layer->color[1] > 1 || layer->color[2] > 1) && (gl_combine.integer || layer->depthmask))
4204 layertexrgbscale = 2;
4205 VectorScale(layer->color, 0.5f, layercolor);
4209 layertexrgbscale = 1;
4210 VectorScale(layer->color, 1.0f, layercolor);
4212 layercolor[3] = layer->color[3];
4213 applycolor = layercolor[0] != 1 || layercolor[1] != 1 || layercolor[2] != 1 || layercolor[3] != 1;
4214 R_Mesh_ColorPointer(NULL, 0, 0);
4215 applyfog = (layer->flags & TEXTURELAYERFLAG_FOGDARKEN) != 0;
4216 switch (layer->type)
4218 case TEXTURELAYERTYPE_LITTEXTURE:
4219 memset(&m, 0, sizeof(m));
4220 m.tex[0] = R_GetTexture(r_texture_white);
4221 m.pointer_texcoord[0] = rsurface_model->surfmesh.data_texcoordlightmap2f;
4222 m.pointer_texcoord_bufferobject[0] = rsurface_model->surfmesh.vbo;
4223 m.pointer_texcoord_bufferoffset[0] = rsurface_model->surfmesh.vbooffset_texcoordlightmap2f;
4224 m.tex[1] = R_GetTexture(layer->texture);
4225 m.texmatrix[1] = layer->texmatrix;
4226 m.texrgbscale[1] = layertexrgbscale;
4227 m.pointer_texcoord[1] = rsurface_model->surfmesh.data_texcoordtexture2f;
4228 m.pointer_texcoord_bufferobject[1] = rsurface_model->surfmesh.vbo;
4229 m.pointer_texcoord_bufferoffset[1] = rsurface_model->surfmesh.vbooffset_texcoordtexture2f;
4230 R_Mesh_TextureState(&m);
4231 if (rsurface_lightmode == 2)
4232 RSurf_DrawBatch_GL11_VertexShade(texturenumsurfaces, texturesurfacelist, layercolor[0], layercolor[1], layercolor[2], layercolor[3], applycolor, applyfog);
4233 else if (rsurface_uselightmaptexture)
4234 RSurf_DrawBatch_GL11_Lightmap(texturenumsurfaces, texturesurfacelist, layercolor[0], layercolor[1], layercolor[2], layercolor[3], applycolor, applyfog);
4236 RSurf_DrawBatch_GL11_VertexColor(texturenumsurfaces, texturesurfacelist, layercolor[0], layercolor[1], layercolor[2], layercolor[3], applycolor, applyfog);
4238 case TEXTURELAYERTYPE_TEXTURE:
4239 memset(&m, 0, sizeof(m));
4240 m.tex[0] = R_GetTexture(layer->texture);
4241 m.texmatrix[0] = layer->texmatrix;
4242 m.texrgbscale[0] = layertexrgbscale;
4243 m.pointer_texcoord[0] = rsurface_model->surfmesh.data_texcoordtexture2f;
4244 m.pointer_texcoord_bufferobject[0] = rsurface_model->surfmesh.vbo;
4245 m.pointer_texcoord_bufferoffset[0] = rsurface_model->surfmesh.vbooffset_texcoordtexture2f;
4246 R_Mesh_TextureState(&m);
4247 RSurf_DrawBatch_GL11_Unlit(texturenumsurfaces, texturesurfacelist, layercolor[0], layercolor[1], layercolor[2], layercolor[3], applycolor, applyfog);
4249 case TEXTURELAYERTYPE_FOG:
4250 memset(&m, 0, sizeof(m));
4251 m.texrgbscale[0] = layertexrgbscale;
4254 m.tex[0] = R_GetTexture(layer->texture);
4255 m.texmatrix[0] = layer->texmatrix;
4256 m.pointer_texcoord[0] = rsurface_model->surfmesh.data_texcoordtexture2f;
4257 m.pointer_texcoord_bufferobject[0] = rsurface_model->surfmesh.vbo;
4258 m.pointer_texcoord_bufferoffset[0] = rsurface_model->surfmesh.vbooffset_texcoordtexture2f;
4260 R_Mesh_TextureState(&m);
4261 // generate a color array for the fog pass
4262 R_Mesh_ColorPointer(rsurface_array_color4f, 0, 0);
4263 for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
4267 const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
4268 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)
4270 f = 1 - FogPoint_Model(v);
4271 c[0] = layercolor[0];
4272 c[1] = layercolor[1];
4273 c[2] = layercolor[2];
4274 c[3] = f * layercolor[3];
4277 RSurf_DrawBatch_Simple(texturenumsurfaces, texturesurfacelist);
4280 Con_Printf("R_DrawTextureSurfaceList: unknown layer type %i\n", layer->type);
4282 GL_LockArrays(0, 0);
4285 if (rsurface_texture->currentmaterialflags & MATERIALFLAG_ALPHATEST)
4287 qglDepthFunc(GL_LEQUAL);CHECKGLERROR
4288 GL_AlphaTest(false);
4292 static void R_DrawTextureSurfaceList_GL11(int texturenumsurfaces, msurface_t **texturesurfacelist)
4294 // OpenGL 1.1 - crusty old voodoo path
4295 int texturesurfaceindex;
4299 const texturelayer_t *layer;
4300 if (rsurface_mode != RSURFMODE_MULTIPASS)
4301 rsurface_mode = RSURFMODE_MULTIPASS;
4302 RSurf_PrepareVerticesForBatch(true, false, texturenumsurfaces, texturesurfacelist);
4303 for (layerindex = 0, layer = rsurface_texture->currentlayers;layerindex < rsurface_texture->currentnumlayers;layerindex++, layer++)
4305 if (rsurface_texture->currentmaterialflags & MATERIALFLAG_ALPHATEST)
4307 if (layerindex == 0)
4311 GL_AlphaTest(false);
4312 qglDepthFunc(GL_EQUAL);CHECKGLERROR
4315 GL_DepthMask(layer->depthmask);
4316 GL_BlendFunc(layer->blendfunc1, layer->blendfunc2);
4317 R_Mesh_ColorPointer(NULL, 0, 0);
4318 applyfog = (layer->flags & TEXTURELAYERFLAG_FOGDARKEN) != 0;
4319 switch (layer->type)
4321 case TEXTURELAYERTYPE_LITTEXTURE:
4322 if (layer->blendfunc1 == GL_ONE && layer->blendfunc2 == GL_ZERO)
4324 // two-pass lit texture with 2x rgbscale
4325 // first the lightmap pass
4326 memset(&m, 0, sizeof(m));
4327 m.tex[0] = R_GetTexture(r_texture_white);
4328 m.pointer_texcoord[0] = rsurface_model->surfmesh.data_texcoordlightmap2f;
4329 m.pointer_texcoord_bufferobject[0] = rsurface_model->surfmesh.vbo;
4330 m.pointer_texcoord_bufferoffset[0] = rsurface_model->surfmesh.vbooffset_texcoordlightmap2f;
4331 R_Mesh_TextureState(&m);
4332 if (rsurface_lightmode == 2)
4333 RSurf_DrawBatch_GL11_VertexShade(texturenumsurfaces, texturesurfacelist, 1, 1, 1, 1, false, false);
4334 else if (rsurface_uselightmaptexture)
4335 RSurf_DrawBatch_GL11_Lightmap(texturenumsurfaces, texturesurfacelist, 1, 1, 1, 1, false, false);
4337 RSurf_DrawBatch_GL11_VertexColor(texturenumsurfaces, texturesurfacelist, 1, 1, 1, 1, false, false);
4338 GL_LockArrays(0, 0);
4339 // then apply the texture to it
4340 GL_BlendFunc(GL_DST_COLOR, GL_SRC_COLOR);
4341 memset(&m, 0, sizeof(m));
4342 m.tex[0] = R_GetTexture(layer->texture);
4343 m.texmatrix[0] = layer->texmatrix;
4344 m.pointer_texcoord[0] = rsurface_model->surfmesh.data_texcoordtexture2f;
4345 m.pointer_texcoord_bufferobject[0] = rsurface_model->surfmesh.vbo;
4346 m.pointer_texcoord_bufferoffset[0] = rsurface_model->surfmesh.vbooffset_texcoordtexture2f;
4347 R_Mesh_TextureState(&m);
4348 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);
4352 // single pass vertex-lighting-only texture with 1x rgbscale and transparency support
4353 memset(&m, 0, sizeof(m));
4354 m.tex[0] = R_GetTexture(layer->texture);
4355 m.texmatrix[0] = layer->texmatrix;
4356 m.pointer_texcoord[0] = rsurface_model->surfmesh.data_texcoordtexture2f;
4357 m.pointer_texcoord_bufferobject[0] = rsurface_model->surfmesh.vbo;
4358 m.pointer_texcoord_bufferoffset[0] = rsurface_model->surfmesh.vbooffset_texcoordtexture2f;
4359 R_Mesh_TextureState(&m);
4360 if (rsurface_lightmode == 2)
4361 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);
4363 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);
4366 case TEXTURELAYERTYPE_TEXTURE:
4367 // singletexture unlit texture with transparency support
4368 memset(&m, 0, sizeof(m));
4369 m.tex[0] = R_GetTexture(layer->texture);
4370 m.texmatrix[0] = layer->texmatrix;
4371 m.pointer_texcoord[0] = rsurface_model->surfmesh.data_texcoordtexture2f;
4372 m.pointer_texcoord_bufferobject[0] = rsurface_model->surfmesh.vbo;
4373 m.pointer_texcoord_bufferoffset[0] = rsurface_model->surfmesh.vbooffset_texcoordtexture2f;
4374 R_Mesh_TextureState(&m);
4375 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);
4377 case TEXTURELAYERTYPE_FOG:
4378 // singletexture fogging
4379 R_Mesh_ColorPointer(rsurface_array_color4f, 0, 0);
4382 memset(&m, 0, sizeof(m));
4383 m.tex[0] = R_GetTexture(layer->texture);
4384 m.texmatrix[0] = layer->texmatrix;
4385 m.pointer_texcoord[0] = rsurface_model->surfmesh.data_texcoordtexture2f;
4386 m.pointer_texcoord_bufferobject[0] = rsurface_model->surfmesh.vbo;
4387 m.pointer_texcoord_bufferoffset[0] = rsurface_model->surfmesh.vbooffset_texcoordtexture2f;
4388 R_Mesh_TextureState(&m);
4391 R_Mesh_ResetTextureState();
4392 // generate a color array for the fog pass
4393 for (texturesurfaceindex = 0;texturesurfaceindex < texturenumsurfaces;texturesurfaceindex++)
4397 const msurface_t *surface = texturesurfacelist[texturesurfaceindex];
4398 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)
4400 f = 1 - FogPoint_Model(v);
4401 c[0] = layer->color[0];
4402 c[1] = layer->color[1];
4403 c[2] = layer->color[2];
4404 c[3] = f * layer->color[3];
4407 RSurf_DrawBatch_Simple(texturenumsurfaces, texturesurfacelist);
4410 Con_Printf("R_DrawTextureSurfaceList: unknown layer type %i\n", layer->type);
4412 GL_LockArrays(0, 0);
4415 if (rsurface_texture->currentmaterialflags & MATERIALFLAG_ALPHATEST)
4417 qglDepthFunc(GL_LEQUAL);CHECKGLERROR
4418 GL_AlphaTest(false);
4422 static void R_DrawTextureSurfaceList(int texturenumsurfaces, msurface_t **texturesurfacelist, qboolean writedepth, qboolean depthonly)
4424 if (rsurface_texture->currentmaterialflags & MATERIALFLAG_NODRAW)
4426 r_shadow_rtlight = NULL;
4430 if ((rsurface_texture->currentmaterialflags & (MATERIALFLAG_NODEPTHTEST | MATERIALFLAG_BLENDED | MATERIALFLAG_ALPHATEST)))
4432 if (rsurface_mode != RSURFMODE_MULTIPASS)
4433 rsurface_mode = RSURFMODE_MULTIPASS;
4434 if (r_depthfirst.integer == 3)
4436 int i = (int)(texturesurfacelist[0] - rsurface_model->data_surfaces);
4437 GL_Color(((i >> 6) & 7) / 7.0f, ((i >> 3) & 7) / 7.0f, (i & 7) / 7.0f,1);
4441 GL_ColorMask(0,0,0,0);
4444 GL_DepthRange(0, (rsurface_texture->currentmaterialflags & MATERIALFLAG_SHORTDEPTHRANGE) ? 0.0625 : 1);
4445 GL_CullFace((rsurface_texture->currentmaterialflags & MATERIALFLAG_NOCULLFACE) ? GL_NONE : GL_FRONT); // quake is backwards, this culls back faces
4447 GL_BlendFunc(GL_ONE, GL_ZERO);
4449 GL_AlphaTest(false);
4450 R_Mesh_ColorPointer(NULL, 0, 0);
4451 R_Mesh_ResetTextureState();
4452 RSurf_PrepareVerticesForBatch(false, false, texturenumsurfaces, texturesurfacelist);
4453 RSurf_DrawBatch_Simple(texturenumsurfaces, texturesurfacelist);
4454 GL_ColorMask(r_view.colormask[0], r_view.colormask[1], r_view.colormask[2], 1);
4455 r_refdef.stats.entities_surfaces += texturenumsurfaces;
4457 else if (r_depthfirst.integer == 3)
4459 else if (r_showsurfaces.integer)
4461 if (rsurface_mode != RSURFMODE_MULTIPASS)
4462 rsurface_mode = RSURFMODE_MULTIPASS;
4463 GL_DepthRange(0, (rsurface_texture->currentmaterialflags & MATERIALFLAG_SHORTDEPTHRANGE) ? 0.0625 : 1);
4465 GL_CullFace((rsurface_texture->currentmaterialflags & MATERIALFLAG_NOCULLFACE) ? GL_NONE : GL_FRONT); // quake is backwards, this culls back faces
4466 GL_BlendFunc(GL_ONE, GL_ZERO);
4467 GL_DepthMask(writedepth);
4469 GL_AlphaTest(false);
4470 R_Mesh_ColorPointer(NULL, 0, 0);
4471 R_Mesh_ResetTextureState();
4472 RSurf_PrepareVerticesForBatch(false, false, texturenumsurfaces, texturesurfacelist);
4473 R_DrawTextureSurfaceList_ShowSurfaces(texturenumsurfaces, texturesurfacelist);
4474 r_refdef.stats.entities_surfaces += texturenumsurfaces;
4476 else if (gl_lightmaps.integer)
4479 if (rsurface_mode != RSURFMODE_MULTIPASS)
4480 rsurface_mode = RSURFMODE_MULTIPASS;
4481 GL_DepthRange(0, (rsurface_texture->currentmaterialflags & MATERIALFLAG_SHORTDEPTHRANGE) ? 0.0625 : 1);
4483 GL_CullFace((rsurface_texture->currentmaterialflags & MATERIALFLAG_NOCULLFACE) ? GL_NONE : GL_FRONT); // quake is backwards, this culls back faces
4484 GL_BlendFunc(GL_ONE, GL_ZERO);
4485 GL_DepthMask(writedepth);
4487 GL_AlphaTest(false);
4488 R_Mesh_ColorPointer(NULL, 0, 0);
4489 memset(&m, 0, sizeof(m));
4490 m.tex[0] = R_GetTexture(r_texture_white);
4491 m.pointer_texcoord[0] = rsurface_model->surfmesh.data_texcoordlightmap2f;
4492 m.pointer_texcoord_bufferobject[0] = rsurface_model->surfmesh.vbo;
4493 m.pointer_texcoord_bufferoffset[0] = rsurface_model->surfmesh.vbooffset_texcoordlightmap2f;
4494 R_Mesh_TextureState(&m);
4495 RSurf_PrepareVerticesForBatch(rsurface_lightmode == 2, false, texturenumsurfaces, texturesurfacelist);
4496 if (rsurface_lightmode == 2)
4497 RSurf_DrawBatch_GL11_VertexShade(texturenumsurfaces, texturesurfacelist, 1, 1, 1, 1, false, false);
4498 else if (rsurface_uselightmaptexture)
4499 RSurf_DrawBatch_GL11_Lightmap(texturenumsurfaces, texturesurfacelist, 1, 1, 1, 1, false, false);
4501 RSurf_DrawBatch_GL11_VertexColor(texturenumsurfaces, texturesurfacelist, 1, 1, 1, 1, false, false);
4502 r_refdef.stats.entities_surfaces += texturenumsurfaces;
4504 else if (rsurface_texture->currentmaterialflags & MATERIALFLAG_SKY)
4506 R_DrawTextureSurfaceList_Sky(texturenumsurfaces, texturesurfacelist);
4507 r_refdef.stats.entities_surfaces += texturenumsurfaces;
4509 else if (rsurface_texture->currentnumlayers)
4511 // write depth for anything we skipped on the depth-only pass earlier
4512 if (!writedepth && (rsurface_texture->currentmaterialflags & (MATERIALFLAG_BLENDED | MATERIALFLAG_ALPHATEST)))
4514 GL_DepthRange(0, (rsurface_texture->currentmaterialflags & MATERIALFLAG_SHORTDEPTHRANGE) ? 0.0625 : 1);
4515 GL_DepthTest(!(rsurface_texture->currentmaterialflags & MATERIALFLAG_NODEPTHTEST));
4516 GL_CullFace((rsurface_texture->currentmaterialflags & MATERIALFLAG_NOCULLFACE) ? GL_NONE : GL_FRONT); // quake is backwards, this culls back faces
4517 GL_BlendFunc(rsurface_texture->currentlayers[0].blendfunc1, rsurface_texture->currentlayers[0].blendfunc2);
4518 GL_DepthMask(writedepth && !(rsurface_texture->currentmaterialflags & MATERIALFLAG_BLENDED));
4519 GL_Color(rsurface_entity->colormod[0], rsurface_entity->colormod[1], rsurface_entity->colormod[2], rsurface_texture->currentalpha);
4520 GL_AlphaTest((rsurface_texture->currentmaterialflags & MATERIALFLAG_ALPHATEST) != 0);
4521 // FIXME: identify models using a better check than rsurface_model->brush.shadowmesh
4522 rsurface_lightmode = ((rsurface_texture->currentmaterialflags & MATERIALFLAG_FULLBRIGHT) || rsurface_model->brush.shadowmesh) ? 0 : 2;
4523 if (r_glsl.integer && gl_support_fragment_shader)
4524 R_DrawTextureSurfaceList_GL20(texturenumsurfaces, texturesurfacelist);
4525 else if (gl_combine.integer && r_textureunits.integer >= 2)
4526 R_DrawTextureSurfaceList_GL13(texturenumsurfaces, texturesurfacelist);
4528 R_DrawTextureSurfaceList_GL11(texturenumsurfaces, texturesurfacelist);
4529 r_refdef.stats.entities_surfaces += texturenumsurfaces;
4532 GL_LockArrays(0, 0);
4535 static void R_DrawSurface_TransparentCallback(const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist)
4538 int texturenumsurfaces, endsurface;
4540 msurface_t *surface;
4541 msurface_t *texturesurfacelist[1024];
4543 // if the model is static it doesn't matter what value we give for
4544 // wantnormals and wanttangents, so this logic uses only rules applicable
4545 // to a model, knowing that they are meaningless otherwise
4546 if (ent == r_refdef.worldentity)
4547 RSurf_ActiveWorldEntity();
4548 else if ((ent->effects & EF_FULLBRIGHT) || r_showsurfaces.integer || VectorLength2(ent->modellight_diffuse) < (1.0f / 256.0f))
4549 RSurf_ActiveModelEntity(ent, false, false);
4551 RSurf_ActiveModelEntity(ent, true, r_glsl.integer && gl_support_fragment_shader);
4553 for (i = 0;i < numsurfaces;i = j)
4556 surface = rsurface_model->data_surfaces + surfacelist[i];
4557 texture = surface->texture;
4558 R_UpdateTextureInfo(ent, texture);
4559 rsurface_texture = texture->currentframe;
4560 rsurface_uselightmaptexture = surface->lightmaptexture != NULL;
4561 // scan ahead until we find a different texture
4562 endsurface = min(i + 1024, numsurfaces);
4563 texturenumsurfaces = 0;
4564 texturesurfacelist[texturenumsurfaces++] = surface;
4565 for (;j < endsurface;j++)
4567 surface = rsurface_model->data_surfaces + surfacelist[j];
4568 if (texture != surface->texture || rsurface_uselightmaptexture != (surface->lightmaptexture != NULL))
4570 texturesurfacelist[texturenumsurfaces++] = surface;
4572 // render the range of surfaces
4573 R_DrawTextureSurfaceList(texturenumsurfaces, texturesurfacelist, true, false);
4579 void R_QueueSurfaceList(int numsurfaces, msurface_t **surfacelist, int flagsmask, qboolean writedepth, qboolean depthonly)
4582 vec3_t tempcenter, center;
4584 // break the surface list down into batches by texture and use of lightmapping
4585 for (i = 0;i < numsurfaces;i = j)
4588 // texture is the base texture pointer, rsurface_texture is the
4589 // current frame/skin the texture is directing us to use (for example
4590 // if a model has 2 skins and it is on skin 1, then skin 0 tells us to
4591 // use skin 1 instead)
4592 texture = surfacelist[i]->texture;
4593 rsurface_texture = texture->currentframe;
4594 rsurface_uselightmaptexture = surfacelist[i]->lightmaptexture != NULL;
4595 if (!(rsurface_texture->currentmaterialflags & flagsmask))
4597 // if this texture is not the kind we want, skip ahead to the next one
4598 for (;j < numsurfaces && texture == surfacelist[j]->texture;j++)
4602 if (rsurface_texture->currentmaterialflags & MATERIALFLAGMASK_DEPTHSORTED)
4604 // transparent surfaces get pushed off into the transparent queue
4605 const msurface_t *surface = surfacelist[i];
4608 tempcenter[0] = (surface->mins[0] + surface->maxs[0]) * 0.5f;
4609 tempcenter[1] = (surface->mins[1] + surface->maxs[1]) * 0.5f;
4610 tempcenter[2] = (surface->mins[2] + surface->maxs[2]) * 0.5f;
4611 Matrix4x4_Transform(&rsurface_entity->matrix, tempcenter, center);
4612 R_MeshQueue_AddTransparent(rsurface_texture->currentmaterialflags & MATERIALFLAG_NODEPTHTEST ? r_view.origin : center, R_DrawSurface_TransparentCallback, rsurface_entity, surface - rsurface_model->data_surfaces, r_shadow_rtlight);
4616 // simply scan ahead until we find a different texture or lightmap state
4617 for (;j < numsurfaces && texture == surfacelist[j]->texture && rsurface_uselightmaptexture == (surfacelist[j]->lightmaptexture != NULL);j++)
4619 // render the range of surfaces
4620 R_DrawTextureSurfaceList(j - i, surfacelist + i, writedepth, depthonly);
4625 float locboxvertex3f[6*4*3] =
4627 1,0,1, 1,0,0, 1,1,0, 1,1,1,
4628 0,1,1, 0,1,0, 0,0,0, 0,0,1,
4629 1,1,1, 1,1,0, 0,1,0, 0,1,1,
4630 0,0,1, 0,0,0, 1,0,0, 1,0,1,
4631 0,0,1, 1,0,1, 1,1,1, 0,1,1,
4632 1,0,0, 0,0,0, 0,1,0, 1,1,0
4635 int locboxelement3i[6*2*3] =
4645 void R_DrawLoc_Callback(const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist)
4648 cl_locnode_t *loc = (cl_locnode_t *)ent;
4650 float vertex3f[6*4*3];
4652 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
4653 GL_DepthMask(false);
4654 GL_DepthRange(0, 1);
4656 GL_CullFace(GL_NONE);
4657 R_Mesh_Matrix(&identitymatrix);
4659 R_Mesh_VertexPointer(vertex3f, 0, 0);
4660 R_Mesh_ColorPointer(NULL, 0, 0);
4661 R_Mesh_ResetTextureState();
4664 GL_Color(((i & 0x0007) >> 0) * (1.0f / 7.0f) * r_view.colorscale,
4665 ((i & 0x0038) >> 3) * (1.0f / 7.0f) * r_view.colorscale,
4666 ((i & 0x01C0) >> 6) * (1.0f / 7.0f) * r_view.colorscale,
4667 surfacelist[0] < 0 ? 0.5f : 0.125f);
4669 if (VectorCompare(loc->mins, loc->maxs))
4671 VectorSet(size, 2, 2, 2);
4672 VectorMA(loc->mins, -0.5f, size, mins);
4676 VectorCopy(loc->mins, mins);
4677 VectorSubtract(loc->maxs, loc->mins, size);
4680 for (i = 0;i < 6*4*3;)
4681 for (j = 0;j < 3;j++, i++)
4682 vertex3f[i] = mins[j] + size[j] * locboxvertex3f[i];
4684 R_Mesh_Draw(0, 6*4, 6*2, locboxelement3i, 0, 0);
4687 void R_DrawLocs(void)
4690 cl_locnode_t *loc, *nearestloc;
4692 nearestloc = CL_Locs_FindNearest(cl.movement_origin);
4693 for (loc = cl.locnodes, index = 0;loc;loc = loc->next, index++)
4695 VectorLerp(loc->mins, 0.5f, loc->maxs, center);
4696 R_MeshQueue_AddTransparent(center, R_DrawLoc_Callback, (entity_render_t *)loc, loc == nearestloc ? -1 : index, NULL);
4700 void R_DrawCollisionBrushes(entity_render_t *ent)
4704 msurface_t *surface;
4705 model_t *model = ent->model;
4706 if (!model->brush.num_brushes)
4709 R_Mesh_ColorPointer(NULL, 0, 0);
4710 R_Mesh_ResetTextureState();
4711 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
4712 GL_DepthMask(false);
4713 GL_DepthRange(0, 1);
4714 GL_DepthTest(!r_showdisabledepthtest.integer);
4715 qglPolygonOffset(r_refdef.polygonfactor + r_showcollisionbrushes_polygonfactor.value, r_refdef.polygonoffset + r_showcollisionbrushes_polygonoffset.value);CHECKGLERROR
4716 for (i = 0, brush = model->brush.data_brushes + model->firstmodelbrush;i < model->nummodelbrushes;i++, brush++)
4717 if (brush->colbrushf && brush->colbrushf->numtriangles)
4718 R_DrawCollisionBrush(brush->colbrushf);
4719 for (i = 0, surface = model->data_surfaces + model->firstmodelsurface;i < model->nummodelsurfaces;i++, surface++)
4720 if (surface->num_collisiontriangles)
4721 R_DrawCollisionSurface(ent, surface);
4722 qglPolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);CHECKGLERROR
4725 void R_DrawTrianglesAndNormals(entity_render_t *ent, qboolean drawtris, qboolean drawnormals, int flagsmask)
4728 const int *elements;
4729 msurface_t *surface;
4730 model_t *model = ent->model;
4733 GL_DepthRange(0, 1);
4734 GL_DepthTest(!r_showdisabledepthtest.integer);
4736 GL_BlendFunc(GL_ONE, GL_ZERO);
4737 R_Mesh_ColorPointer(NULL, 0, 0);
4738 R_Mesh_ResetTextureState();
4739 for (i = 0, j = model->firstmodelsurface, surface = model->data_surfaces + j;i < model->nummodelsurfaces;i++, j++, surface++)
4741 if (ent == r_refdef.worldentity && !r_viewcache.world_surfacevisible[j])
4743 rsurface_texture = surface->texture->currentframe;
4744 if ((rsurface_texture->currentmaterialflags & flagsmask) && surface->num_triangles)
4746 RSurf_PrepareVerticesForBatch(true, true, 1, &surface);
4749 if (!rsurface_texture->currentlayers->depthmask)
4750 GL_Color(r_showtris.value * r_view.colorscale, 0, 0, 1);
4751 else if (ent == r_refdef.worldentity)
4752 GL_Color(r_showtris.value * r_view.colorscale, r_showtris.value * r_view.colorscale, r_showtris.value * r_view.colorscale, 1);
4754 GL_Color(0, r_showtris.value * r_view.colorscale, 0, 1);
4755 elements = (ent->model->surfmesh.data_element3i + 3 * surface->num_firsttriangle);
4758 for (k = 0;k < surface->num_triangles;k++, elements += 3)
4760 #define GLVERTEXELEMENT(n) qglVertex3f(rsurface_vertex3f[elements[n]*3+0], rsurface_vertex3f[elements[n]*3+1], rsurface_vertex3f[elements[n]*3+2])
4761 GLVERTEXELEMENT(0);GLVERTEXELEMENT(1);
4762 GLVERTEXELEMENT(1);GLVERTEXELEMENT(2);
4763 GLVERTEXELEMENT(2);GLVERTEXELEMENT(0);
4770 GL_Color(r_shownormals.value * r_view.colorscale, 0, 0, 1);
4772 for (k = 0, l = surface->num_firstvertex;k < surface->num_vertices;k++, l++)
4774 VectorCopy(rsurface_vertex3f + l * 3, v);
4775 qglVertex3f(v[0], v[1], v[2]);
4776 VectorMA(v, 8, rsurface_svector3f + l * 3, v);
4777 qglVertex3f(v[0], v[1], v[2]);
4781 GL_Color(0, 0, r_shownormals.value * r_view.colorscale, 1);
4783 for (k = 0, l = surface->num_firstvertex;k < surface->num_vertices;k++, l++)
4785 VectorCopy(rsurface_vertex3f + l * 3, v);
4786 qglVertex3f(v[0], v[1], v[2]);
4787 VectorMA(v, 8, rsurface_tvector3f + l * 3, v);
4788 qglVertex3f(v[0], v[1], v[2]);
4792 GL_Color(0, r_shownormals.value * r_view.colorscale, 0, 1);
4794 for (k = 0, l = surface->num_firstvertex;k < surface->num_vertices;k++, l++)
4796 VectorCopy(rsurface_vertex3f + l * 3, v);
4797 qglVertex3f(v[0], v[1], v[2]);
4798 VectorMA(v, 8, rsurface_normal3f + l * 3, v);
4799 qglVertex3f(v[0], v[1], v[2]);
4806 rsurface_texture = NULL;
4809 extern void R_BuildLightMap(const entity_render_t *ent, msurface_t *surface);
4810 void R_DrawWorldSurfaces(qboolean skysurfaces, qboolean writedepth, qboolean depthonly)
4812 int i, j, endj, f, flagsmask;
4813 int counttriangles = 0;
4814 msurface_t *surface, **surfacechain;
4816 model_t *model = r_refdef.worldmodel;
4817 const int maxsurfacelist = 1024;
4818 int numsurfacelist = 0;
4819 msurface_t *surfacelist[1024];
4823 RSurf_ActiveWorldEntity();
4825 // update light styles
4826 if (!skysurfaces && !depthonly && model->brushq1.light_styleupdatechains)
4828 for (i = 0;i < model->brushq1.light_styles;i++)
4830 if (model->brushq1.light_stylevalue[i] != r_refdef.lightstylevalue[model->brushq1.light_style[i]])
4832 model->brushq1.light_stylevalue[i] = r_refdef.lightstylevalue[model->brushq1.light_style[i]];
4833 if ((surfacechain = model->brushq1.light_styleupdatechains[i]))
4834 for (;(surface = *surfacechain);surfacechain++)
4835 surface->cached_dlight = true;
4840 R_UpdateAllTextureInfo(r_refdef.worldentity);
4841 flagsmask = skysurfaces ? MATERIALFLAG_SKY : (MATERIALFLAG_WATER | MATERIALFLAG_WALL);
4844 rsurface_uselightmaptexture = false;
4845 rsurface_texture = NULL;
4847 j = model->firstmodelsurface;
4848 endj = j + model->nummodelsurfaces;
4851 // quickly skip over non-visible surfaces
4852 for (;j < endj && !r_viewcache.world_surfacevisible[j];j++)
4854 // quickly iterate over visible surfaces
4855 for (;j < endj && r_viewcache.world_surfacevisible[j];j++)
4857 // process this surface
4858 surface = model->data_surfaces + j;
4859 // if this surface fits the criteria, add it to the list
4860 if (surface->num_triangles)
4862 // if lightmap parameters changed, rebuild lightmap texture
4863 if (surface->cached_dlight)
4864 R_BuildLightMap(r_refdef.worldentity, surface);
4865 // add face to draw list
4866 surfacelist[numsurfacelist++] = surface;
4867 counttriangles += surface->num_triangles;
4868 if (numsurfacelist >= maxsurfacelist)
4870 R_QueueSurfaceList(numsurfacelist, surfacelist, flagsmask, writedepth, depthonly);
4877 R_QueueSurfaceList(numsurfacelist, surfacelist, flagsmask, writedepth, depthonly);
4878 r_refdef.stats.entities_triangles += counttriangles;
4881 if (r_showcollisionbrushes.integer && !skysurfaces && !depthonly)
4882 R_DrawCollisionBrushes(r_refdef.worldentity);
4884 if ((r_showtris.integer || r_shownormals.integer) && !depthonly)
4885 R_DrawTrianglesAndNormals(r_refdef.worldentity, r_showtris.integer, r_shownormals.integer, flagsmask);
4888 void R_DrawModelSurfaces(entity_render_t *ent, qboolean skysurfaces, qboolean writedepth, qboolean depthonly)
4890 int i, f, flagsmask;
4891 int counttriangles = 0;
4892 msurface_t *surface, *endsurface, **surfacechain;
4894 model_t *model = ent->model;
4895 const int maxsurfacelist = 1024;
4896 int numsurfacelist = 0;
4897 msurface_t *surfacelist[1024];
4901 // if the model is static it doesn't matter what value we give for
4902 // wantnormals and wanttangents, so this logic uses only rules applicable
4903 // to a model, knowing that they are meaningless otherwise
4904 if (ent == r_refdef.worldentity)
4905 RSurf_ActiveWorldEntity();
4906 else if ((ent->effects & EF_FULLBRIGHT) || r_showsurfaces.integer || VectorLength2(ent->modellight_diffuse) < (1.0f / 256.0f))
4907 RSurf_ActiveModelEntity(ent, false, false);
4909 RSurf_ActiveModelEntity(ent, true, r_glsl.integer && gl_support_fragment_shader && !depthonly);
4911 // update light styles
4912 if (!skysurfaces && !depthonly && model->brushq1.light_styleupdatechains)
4914 for (i = 0;i < model->brushq1.light_styles;i++)
4916 if (model->brushq1.light_stylevalue[i] != r_refdef.lightstylevalue[model->brushq1.light_style[i]])
4918 model->brushq1.light_stylevalue[i] = r_refdef.lightstylevalue[model->brushq1.light_style[i]];
4919 if ((surfacechain = model->brushq1.light_styleupdatechains[i]))
4920 for (;(surface = *surfacechain);surfacechain++)
4921 surface->cached_dlight = true;
4926 R_UpdateAllTextureInfo(ent);
4927 flagsmask = skysurfaces ? MATERIALFLAG_SKY : (MATERIALFLAG_WATER | MATERIALFLAG_WALL);
4930 rsurface_uselightmaptexture = false;
4931 rsurface_texture = NULL;
4933 surface = model->data_surfaces + model->firstmodelsurface;
4934 endsurface = surface + model->nummodelsurfaces;
4935 for (;surface < endsurface;surface++)
4937 // if this surface fits the criteria, add it to the list
4938 if (surface->num_triangles)
4940 // if lightmap parameters changed, rebuild lightmap texture
4941 if (surface->cached_dlight)
4942 R_BuildLightMap(ent, surface);
4943 // add face to draw list
4944 surfacelist[numsurfacelist++] = surface;
4945 counttriangles += surface->num_triangles;
4946 if (numsurfacelist >= maxsurfacelist)
4948 R_QueueSurfaceList(numsurfacelist, surfacelist, flagsmask, writedepth, depthonly);
4954 R_QueueSurfaceList(numsurfacelist, surfacelist, flagsmask, writedepth, depthonly);
4955 r_refdef.stats.entities_triangles += counttriangles;
4958 if (r_showcollisionbrushes.integer && !skysurfaces && !depthonly)
4959 R_DrawCollisionBrushes(ent);
4961 if ((r_showtris.integer || r_shownormals.integer) && !depthonly)
4962 R_DrawTrianglesAndNormals(ent, r_showtris.integer, r_shownormals.integer, flagsmask);