X-Git-Url: http://de.git.xonotic.org/?p=xonotic%2Fdarkplaces.git;a=blobdiff_plain;f=r_shadow.c;h=2214404de1dbe93450cdf85926c5b65c4e598e10;hp=c1f71e142146456499405ea10ed3a90677a7c983;hb=f08d68a017c085bf75f45914b5a80d844f0e232b;hpb=7403ba135fe27515470bfc6a7f8980869ccfee76 diff --git a/r_shadow.c b/r_shadow.c index c1f71e14..2214404d 100644 --- a/r_shadow.c +++ b/r_shadow.c @@ -142,26 +142,30 @@ demonstrated by the game Doom3. extern void R_Shadow_EditLights_Init(void); -typedef enum r_shadowstage_e +typedef enum r_shadow_rendermode_e { - R_SHADOWSTAGE_NONE, - R_SHADOWSTAGE_STENCIL, - R_SHADOWSTAGE_STENCILTWOSIDE, - R_SHADOWSTAGE_LIGHT_VERTEX, - R_SHADOWSTAGE_LIGHT_DOT3, - R_SHADOWSTAGE_LIGHT_GLSL, - R_SHADOWSTAGE_VISIBLEVOLUMES, - R_SHADOWSTAGE_VISIBLELIGHTING, + R_SHADOW_RENDERMODE_NONE, + R_SHADOW_RENDERMODE_STENCIL, + R_SHADOW_RENDERMODE_SEPARATESTENCIL, + R_SHADOW_RENDERMODE_STENCILTWOSIDE, + R_SHADOW_RENDERMODE_LIGHT_VERTEX, + R_SHADOW_RENDERMODE_LIGHT_DOT3, + R_SHADOW_RENDERMODE_LIGHT_GLSL, + R_SHADOW_RENDERMODE_VISIBLEVOLUMES, + R_SHADOW_RENDERMODE_VISIBLELIGHTING, } -r_shadowstage_t; +r_shadow_rendermode_t; -r_shadowstage_t r_shadowstage = R_SHADOWSTAGE_NONE; +r_shadow_rendermode_t r_shadow_rendermode = R_SHADOW_RENDERMODE_NONE; +r_shadow_rendermode_t r_shadow_lightingrendermode = R_SHADOW_RENDERMODE_NONE; +r_shadow_rendermode_t r_shadow_shadowingrendermode = R_SHADOW_RENDERMODE_NONE; -mempool_t *r_shadow_mempool; - -int maxshadowelements; +int maxshadowtriangles; int *shadowelements; +int maxshadowvertices; +float *shadowvertex3f; + int maxshadowmark; int numshadowmark; int *shadowmark; @@ -181,7 +185,20 @@ int r_shadow_buffer_numsurfacepvsbytes; unsigned char *r_shadow_buffer_surfacepvs; int *r_shadow_buffer_surfacelist; +int r_shadow_buffer_numshadowtrispvsbytes; +unsigned char *r_shadow_buffer_shadowtrispvs; +int r_shadow_buffer_numlighttrispvsbytes; +unsigned char *r_shadow_buffer_lighttrispvs; + +// current light's cull box (copied out of an rtlight or calculated by GetLightInfo) +vec3_t r_shadow_rtlight_cullmins; +vec3_t r_shadow_rtlight_cullmaxs; +// current light's culling planes +int r_shadow_rtlight_numfrustumplanes; +mplane_t r_shadow_rtlight_frustumplanes[12+6+6]; // see R_Shadow_ComputeShadowCasterCullingPlanes + rtexturepool_t *r_shadow_texturepool; +rtexture_t *r_shadow_attenuationgradienttexture; rtexture_t *r_shadow_attenuation2dtexture; rtexture_t *r_shadow_attenuation3dtexture; @@ -191,48 +208,56 @@ char r_shadow_mapname[MAX_QPATH]; // used only for light filters (cubemaps) rtexturepool_t *r_shadow_filters_texturepool; -cvar_t r_shadow_bumpscale_basetexture = {0, "r_shadow_bumpscale_basetexture", "0"}; -cvar_t r_shadow_bumpscale_bumpmap = {0, "r_shadow_bumpscale_bumpmap", "4"}; -cvar_t r_shadow_debuglight = {0, "r_shadow_debuglight", "-1"}; -cvar_t r_shadow_gloss = {CVAR_SAVE, "r_shadow_gloss", "1"}; -cvar_t r_shadow_gloss2intensity = {0, "r_shadow_gloss2intensity", "0.25"}; -cvar_t r_shadow_glossintensity = {0, "r_shadow_glossintensity", "1"}; -cvar_t r_shadow_lightattenuationpower = {0, "r_shadow_lightattenuationpower", "0.5"}; -cvar_t r_shadow_lightattenuationscale = {0, "r_shadow_lightattenuationscale", "1"}; -cvar_t r_shadow_lightintensityscale = {0, "r_shadow_lightintensityscale", "1"}; -cvar_t r_shadow_portallight = {0, "r_shadow_portallight", "1"}; -cvar_t r_shadow_projectdistance = {0, "r_shadow_projectdistance", "1000000"}; -cvar_t r_shadow_realtime_dlight = {CVAR_SAVE, "r_shadow_realtime_dlight", "1"}; -cvar_t r_shadow_realtime_dlight_shadows = {CVAR_SAVE, "r_shadow_realtime_dlight_shadows", "1"}; -cvar_t r_shadow_realtime_dlight_portalculling = {0, "r_shadow_realtime_dlight_portalculling", "0"}; -cvar_t r_shadow_realtime_world = {CVAR_SAVE, "r_shadow_realtime_world", "0"}; -cvar_t r_shadow_realtime_world_dlightshadows = {CVAR_SAVE, "r_shadow_realtime_world_dlightshadows", "1"}; -cvar_t r_shadow_realtime_world_lightmaps = {CVAR_SAVE, "r_shadow_realtime_world_lightmaps", "0"}; -cvar_t r_shadow_realtime_world_shadows = {CVAR_SAVE, "r_shadow_realtime_world_shadows", "1"}; -cvar_t r_shadow_realtime_world_compile = {0, "r_shadow_realtime_world_compile", "1"}; -cvar_t r_shadow_realtime_world_compileshadow = {0, "r_shadow_realtime_world_compileshadow", "1"}; -cvar_t r_shadow_scissor = {0, "r_shadow_scissor", "1"}; -cvar_t r_shadow_shadow_polygonfactor = {0, "r_shadow_shadow_polygonfactor", "0"}; -cvar_t r_shadow_shadow_polygonoffset = {0, "r_shadow_shadow_polygonoffset", "1"}; -cvar_t r_shadow_singlepassvolumegeneration = {0, "r_shadow_singlepassvolumegeneration", "1"}; -cvar_t r_shadow_texture3d = {0, "r_shadow_texture3d", "1"}; -cvar_t r_shadow_visiblelighting = {0, "r_shadow_visiblelighting", "0"}; -cvar_t r_shadow_visiblevolumes = {0, "r_shadow_visiblevolumes", "0"}; -cvar_t r_shadow_glsl = {0, "r_shadow_glsl", "1"}; -cvar_t r_shadow_glsl_offsetmapping = {0, "r_shadow_glsl_offsetmapping", "0"}; -cvar_t r_shadow_glsl_offsetmapping_scale = {0, "r_shadow_glsl_offsetmapping_scale", "-0.04"}; -cvar_t r_shadow_glsl_offsetmapping_bias = {0, "r_shadow_glsl_offsetmapping_bias", "0.04"}; -cvar_t r_shadow_glsl_usehalffloat = {0, "r_shadow_glsl_usehalffloat", "0"}; -cvar_t r_shadow_glsl_surfacenormalize = {0, "r_shadow_glsl_surfacenormalize", "1"}; -cvar_t gl_ext_stenciltwoside = {0, "gl_ext_stenciltwoside", "1"}; -cvar_t r_editlights = {0, "r_editlights", "0"}; -cvar_t r_editlights_cursordistance = {0, "r_editlights_cursordistance", "1024"}; -cvar_t r_editlights_cursorpushback = {0, "r_editlights_cursorpushback", "0"}; -cvar_t r_editlights_cursorpushoff = {0, "r_editlights_cursorpushoff", "4"}; -cvar_t r_editlights_cursorgrid = {0, "r_editlights_cursorgrid", "4"}; -cvar_t r_editlights_quakelightsizescale = {CVAR_SAVE, "r_editlights_quakelightsizescale", "0.8"}; - -float r_shadow_attenpower, r_shadow_attenscale; +cvar_t r_shadow_bumpscale_basetexture = {0, "r_shadow_bumpscale_basetexture", "0", "generate fake bumpmaps from diffuse textures at this bumpyness, try 4 to match tenebrae, higher values increase depth, requires r_restart to take effect"}; +cvar_t r_shadow_bumpscale_bumpmap = {0, "r_shadow_bumpscale_bumpmap", "4", "what magnitude to interpret _bump.tga textures as, higher values increase depth, requires r_restart to take effect"}; +cvar_t r_shadow_debuglight = {0, "r_shadow_debuglight", "-1", "renders only one light, for level design purposes or debugging"}; +cvar_t r_shadow_usenormalmap = {CVAR_SAVE, "r_shadow_usenormalmap", "1", "enables use of directional shading on lights"}; +cvar_t r_shadow_gloss = {CVAR_SAVE, "r_shadow_gloss", "1", "0 disables gloss (specularity) rendering, 1 uses gloss if textures are found, 2 forces a flat metallic specular effect on everything without textures (similar to tenebrae)"}; +cvar_t r_shadow_gloss2intensity = {0, "r_shadow_gloss2intensity", "0.125", "how bright the forced flat gloss should look if r_shadow_gloss is 2"}; +cvar_t r_shadow_glossintensity = {0, "r_shadow_glossintensity", "1", "how bright textured glossmaps should look if r_shadow_gloss is 1 or 2"}; +cvar_t r_shadow_glossexponent = {0, "r_shadow_glossexponent", "32", "how 'sharp' the gloss should appear (specular power)"}; +cvar_t r_shadow_lightattenuationdividebias = {0, "r_shadow_lightattenuationdividebias", "1", "changes attenuation texture generation"}; +cvar_t r_shadow_lightattenuationlinearscale = {0, "r_shadow_lightattenuationlinearscale", "2", "changes attenuation texture generation"}; +cvar_t r_shadow_lightintensityscale = {0, "r_shadow_lightintensityscale", "1", "renders all world lights brighter or darker"}; +cvar_t r_shadow_lightradiusscale = {0, "r_shadow_lightradiusscale", "1", "renders all world lights larger or smaller"}; +cvar_t r_shadow_portallight = {0, "r_shadow_portallight", "1", "use portal culling to exactly determine lit triangles when compiling world lights"}; +cvar_t r_shadow_projectdistance = {0, "r_shadow_projectdistance", "1000000", "how far to cast shadows"}; +cvar_t r_shadow_frontsidecasting = {0, "r_shadow_frontsidecasting", "1", "whether to cast shadows from illuminated triangles (front side of model) or unlit triangles (back side of model)"}; +cvar_t r_shadow_realtime_dlight = {CVAR_SAVE, "r_shadow_realtime_dlight", "1", "enables rendering of dynamic lights such as explosions and rocket light"}; +cvar_t r_shadow_realtime_dlight_shadows = {CVAR_SAVE, "r_shadow_realtime_dlight_shadows", "1", "enables rendering of shadows from dynamic lights"}; +cvar_t r_shadow_realtime_dlight_svbspculling = {0, "r_shadow_realtime_dlight_svbspculling", "0", "enables svbsp optimization on dynamic lights (very slow!)"}; +cvar_t r_shadow_realtime_dlight_portalculling = {0, "r_shadow_realtime_dlight_portalculling", "0", "enables portal optimization on dynamic lights (slow!)"}; +cvar_t r_shadow_realtime_world = {CVAR_SAVE, "r_shadow_realtime_world", "0", "enables rendering of full world lighting (whether loaded from the map, or a .rtlights file, or a .ent file, or a .lights file produced by hlight)"}; +cvar_t r_shadow_realtime_world_lightmaps = {CVAR_SAVE, "r_shadow_realtime_world_lightmaps", "0", "brightness to render lightmaps when using full world lighting, try 0.5 for a tenebrae-like appearance"}; +cvar_t r_shadow_realtime_world_shadows = {CVAR_SAVE, "r_shadow_realtime_world_shadows", "1", "enables rendering of shadows from world lights"}; +cvar_t r_shadow_realtime_world_compile = {0, "r_shadow_realtime_world_compile", "1", "enables compilation of world lights for higher performance rendering"}; +cvar_t r_shadow_realtime_world_compileshadow = {0, "r_shadow_realtime_world_compileshadow", "1", "enables compilation of shadows from world lights for higher performance rendering"}; +cvar_t r_shadow_realtime_world_compilesvbsp = {0, "r_shadow_realtime_world_compilesvbsp", "1", "enables svbsp optimization during compilation"}; +cvar_t r_shadow_realtime_world_compileportalculling = {0, "r_shadow_realtime_world_compileportalculling", "1", "enables portal-based culling optimization during compilation"}; +cvar_t r_shadow_scissor = {0, "r_shadow_scissor", "1", "use scissor optimization of light rendering (restricts rendering to the portion of the screen affected by the light)"}; +cvar_t r_shadow_culltriangles = {0, "r_shadow_culltriangles", "1", "performs more expensive tests to remove unnecessary triangles of lit surfaces"}; +cvar_t r_shadow_polygonfactor = {0, "r_shadow_polygonfactor", "0", "how much to enlarge shadow volume polygons when rendering (should be 0!)"}; +cvar_t r_shadow_polygonoffset = {0, "r_shadow_polygonoffset", "1", "how much to push shadow volumes into the distance when rendering, to reduce chances of zfighting artifacts (should not be less than 0)"}; +cvar_t r_shadow_texture3d = {0, "r_shadow_texture3d", "1", "use 3D voxel textures for spherical attenuation rather than cylindrical (does not affect r_glsl lighting)"}; +cvar_t gl_ext_separatestencil = {0, "gl_ext_separatestencil", "1", "make use of OpenGL 2.0 glStencilOpSeparate or GL_ATI_separate_stencil extension"}; +cvar_t gl_ext_stenciltwoside = {0, "gl_ext_stenciltwoside", "1", "make use of GL_EXT_stenciltwoside extension (NVIDIA only)"}; +cvar_t r_editlights = {0, "r_editlights", "0", "enables .rtlights file editing mode"}; +cvar_t r_editlights_cursordistance = {0, "r_editlights_cursordistance", "1024", "maximum distance of cursor from eye"}; +cvar_t r_editlights_cursorpushback = {0, "r_editlights_cursorpushback", "0", "how far to pull the cursor back toward the eye"}; +cvar_t r_editlights_cursorpushoff = {0, "r_editlights_cursorpushoff", "4", "how far to push the cursor off the impacted surface"}; +cvar_t r_editlights_cursorgrid = {0, "r_editlights_cursorgrid", "4", "snaps cursor to this grid size"}; +cvar_t r_editlights_quakelightsizescale = {CVAR_SAVE, "r_editlights_quakelightsizescale", "1", "changes size of light entities loaded from a map"}; + +// note the table actually includes one more value, just to avoid the need to clamp the distance index due to minor math error +#define ATTENTABLESIZE 256 +// 1D gradient, 2D circle and 3D sphere attenuation textures +#define ATTEN1DSIZE 32 +#define ATTEN2DSIZE 64 +#define ATTEN3DSIZE 32 + +static float r_shadow_attendividebias; // r_shadow_lightattenuationdividebias +static float r_shadow_attenlinearscale; // r_shadow_lightattenuationlinearscale +static float r_shadow_attentable[ATTENTABLESIZE+1]; rtlight_t *r_shadow_compilingrtlight; dlight_t *r_shadow_worldlightchain; @@ -240,8 +265,6 @@ dlight_t *r_shadow_selectedlight; dlight_t r_shadow_bufferlight; vec3_t r_editlights_cursorlocation; -rtexture_t *lighttextures[5]; - extern int con_vislines; typedef struct cubemapinfo_s @@ -255,16 +278,6 @@ cubemapinfo_t; static int numcubemaps; static cubemapinfo_t cubemaps[MAX_CUBEMAPS]; -#define SHADERPERMUTATION_SPECULAR (1<<0) -#define SHADERPERMUTATION_FOG (1<<1) -#define SHADERPERMUTATION_CUBEFILTER (1<<2) -#define SHADERPERMUTATION_OFFSETMAPPING (1<<3) -#define SHADERPERMUTATION_SURFACENORMALIZE (1<<4) -#define SHADERPERMUTATION_GEFORCEFX (1<<5) -#define SHADERPERMUTATION_COUNT (1<<6) - -GLhandleARB r_shadow_program_light[SHADERPERMUTATION_COUNT]; - void R_Shadow_UncompileWorldLights(void); void R_Shadow_ClearWorldLights(void); void R_Shadow_SaveWorldLights(void); @@ -274,189 +287,22 @@ void R_Shadow_LoadWorldLightsFromMap_LightArghliteTyrlite(void); void R_Shadow_EditLights_Reload_f(void); void R_Shadow_ValidateCvars(void); static void R_Shadow_MakeTextures(void); -void R_Shadow_DrawWorldLightShadowVolume(matrix4x4_t *matrix, dlight_t *light); - -const char *builtinshader_light_vert = -"// ambient+diffuse+specular+normalmap+attenuation+cubemap+fog shader\n" -"// written by Forest 'LordHavoc' Hale\n" -"\n" -"// use half floats if available for math performance\n" -"#ifdef GEFORCEFX\n" -"#define myhalf half\n" -"#define myhvec2 hvec2\n" -"#define myhvec3 hvec3\n" -"#define myhvec4 hvec4\n" -"#else\n" -"#define myhalf float\n" -"#define myhvec2 vec2\n" -"#define myhvec3 vec3\n" -"#define myhvec4 vec4\n" -"#endif\n" -"\n" -"uniform vec3 LightPosition;\n" -"\n" -"varying vec2 TexCoord;\n" -"varying myhvec3 CubeVector;\n" -"varying vec3 LightVector;\n" -"\n" -"#if defined(USESPECULAR) || defined(USEFOG) || defined(USEOFFSETMAPPING)\n" -"uniform vec3 EyePosition;\n" -"varying vec3 EyeVector;\n" -"#endif\n" -"\n" -"// TODO: get rid of tangentt (texcoord2) and use a crossproduct to regenerate it from tangents (texcoord1) and normal (texcoord3)\n" -"\n" -"void main(void)\n" -"{\n" -" // copy the surface texcoord\n" -" TexCoord = vec2(gl_TextureMatrix[0] * gl_MultiTexCoord0);\n" -"\n" -" // transform vertex position into light attenuation/cubemap space\n" -" // (-1 to +1 across the light box)\n" -" CubeVector = vec3(gl_TextureMatrix[3] * gl_Vertex);\n" -"\n" -" // transform unnormalized light direction into tangent space\n" -" // (we use unnormalized to ensure that it interpolates correctly and then\n" -" // normalize it per pixel)\n" -" vec3 lightminusvertex = LightPosition - gl_Vertex.xyz;\n" -" LightVector.x = dot(lightminusvertex, gl_MultiTexCoord1.xyz);\n" -" LightVector.y = dot(lightminusvertex, gl_MultiTexCoord2.xyz);\n" -" LightVector.z = dot(lightminusvertex, gl_MultiTexCoord3.xyz);\n" -"\n" -"#if defined(USESPECULAR) || defined(USEFOG) || defined(USEOFFSETMAPPING)\n" -" // transform unnormalized eye direction into tangent space\n" -" vec3 eyeminusvertex = EyePosition - gl_Vertex.xyz;\n" -" EyeVector.x = dot(eyeminusvertex, gl_MultiTexCoord1.xyz);\n" -" EyeVector.y = dot(eyeminusvertex, gl_MultiTexCoord2.xyz);\n" -" EyeVector.z = dot(eyeminusvertex, gl_MultiTexCoord3.xyz);\n" -"#endif\n" -"\n" -" // transform vertex to camera space, using ftransform to match non-VS\n" -" // rendering\n" -" gl_Position = ftransform();\n" -"}\n" -; - -const char *builtinshader_light_frag = -"// ambient+diffuse+specular+normalmap+attenuation+cubemap+fog shader\n" -"// written by Forest 'LordHavoc' Hale\n" -"\n" -"// use half floats if available for math performance\n" -"#ifdef GEFORCEFX\n" -"#define myhalf half\n" -"#define myhvec2 hvec2\n" -"#define myhvec3 hvec3\n" -"#define myhvec4 hvec4\n" -"#else\n" -"#define myhalf float\n" -"#define myhvec2 vec2\n" -"#define myhvec3 vec3\n" -"#define myhvec4 vec4\n" -"#endif\n" -"\n" -"uniform myhvec3 LightColor;\n" -"#ifdef USEOFFSETMAPPING\n" -"uniform myhalf OffsetMapping_Scale;\n" -"uniform myhalf OffsetMapping_Bias;\n" -"#endif\n" -"#ifdef USESPECULAR\n" -"uniform myhalf SpecularPower;\n" -"#endif\n" -"#ifdef USEFOG\n" -"uniform myhalf FogRangeRecip;\n" -"#endif\n" -"uniform myhalf AmbientScale;\n" -"uniform myhalf DiffuseScale;\n" -"#ifdef USESPECULAR\n" -"uniform myhalf SpecularScale;\n" -"#endif\n" -"\n" -"uniform sampler2D Texture_Normal;\n" -"uniform sampler2D Texture_Color;\n" -"#ifdef USESPECULAR\n" -"uniform sampler2D Texture_Gloss;\n" -"#endif\n" -"#ifdef USECUBEFILTER\n" -"uniform samplerCube Texture_Cube;\n" -"#endif\n" -"#ifdef USEFOG\n" -"uniform sampler2D Texture_FogMask;\n" -"#endif\n" -"\n" -"varying vec2 TexCoord;\n" -"varying myhvec3 CubeVector;\n" -"varying vec3 LightVector;\n" -"#if defined(USESPECULAR) || defined(USEFOG) || defined(USEOFFSETMAPPING)\n" -"varying vec3 EyeVector;\n" -"#endif\n" -"\n" -"void main(void)\n" -"{\n" -" // attenuation\n" -" //\n" -" // the attenuation is (1-(x*x+y*y+z*z)) which gives a large bright\n" -" // center and sharp falloff at the edge, this is about the most efficient\n" -" // we can get away with as far as providing illumination.\n" -" //\n" -" // pow(1-(x*x+y*y+z*z), 4) is far more realistic but needs large lights to\n" -" // provide significant illumination, large = slow = pain.\n" -" myhalf colorscale = max(1.0 - dot(CubeVector, CubeVector), 0.0);\n" -"\n" -"#ifdef USEFOG\n" -" // apply fog\n" -" colorscale *= texture2D(Texture_FogMask, myhvec2(length(EyeVector)*FogRangeRecip, 0)).x;\n" -"#endif\n" -"\n" -"#ifdef USEOFFSETMAPPING\n" -" // this is 3 sample because of ATI Radeon 9500-9800/X300 limits\n" -" myhvec2 OffsetVector = normalize(EyeVector).xy * vec2(-0.333, 0.333);\n" -" myhvec2 TexCoordOffset = TexCoord + OffsetVector * (OffsetMapping_Bias + OffsetMapping_Scale * texture2D(Texture_Normal, TexCoord).w);\n" -" TexCoordOffset += OffsetVector * (OffsetMapping_Bias + OffsetMapping_Scale * texture2D(Texture_Normal, TexCoordOffset).w);\n" -" TexCoordOffset += OffsetVector * (OffsetMapping_Bias + OffsetMapping_Scale * texture2D(Texture_Normal, TexCoordOffset).w);\n" -"#define TexCoord TexCoordOffset\n" -"#endif\n" -"\n" -" // get the surface normal\n" -"#ifdef SURFACENORMALIZE\n" -" myhvec3 surfacenormal = normalize(myhvec3(texture2D(Texture_Normal, TexCoord)) - 0.5);\n" -"#else\n" -" myhvec3 surfacenormal = -1.0 + 2.0 * myhvec3(texture2D(Texture_Normal, TexCoord));\n" -"#endif\n" -"\n" -" // calculate shading\n" -" myhvec3 diffusenormal = myhvec3(normalize(LightVector));\n" -" myhvec3 color = myhvec3(texture2D(Texture_Color, TexCoord)) * (AmbientScale + DiffuseScale * max(dot(surfacenormal, diffusenormal), 0.0));\n" -"#ifdef USESPECULAR\n" -" myhvec3 specularnormal = myhvec3(normalize(diffusenormal + myhvec3(normalize(EyeVector))));\n" -" color += myhvec3(texture2D(Texture_Gloss, TexCoord)) * SpecularScale * pow(max(dot(surfacenormal, specularnormal), 0.0), SpecularPower);\n" -"#endif\n" -"\n" -"#ifdef USECUBEFILTER\n" -" // apply light cubemap filter\n" -" color *= myhvec3(textureCube(Texture_Cube, CubeVector));\n" -"#endif\n" -"\n" -" // calculate fragment color (apply light color and attenuation/fog scaling)\n" -" gl_FragColor = myhvec4(color * LightColor * colorscale, 1);\n" -"}\n" -; void r_shadow_start(void) { - int i; - // use half float math where available (speed gain on NVIDIA GFFX and GF6) - if (gl_support_half_float) - Cvar_SetValue("r_shadow_glsl_usehalffloat", 1); // allocate vertex processing arrays numcubemaps = 0; + r_shadow_attenuationgradienttexture = NULL; r_shadow_attenuation2dtexture = NULL; r_shadow_attenuation3dtexture = NULL; r_shadow_texturepool = NULL; r_shadow_filters_texturepool = NULL; R_Shadow_ValidateCvars(); R_Shadow_MakeTextures(); - maxshadowelements = 0; + maxshadowtriangles = 0; shadowelements = NULL; + maxshadowvertices = 0; + shadowvertex3f = NULL; maxvertexupdate = 0; vertexupdate = NULL; vertexremap = NULL; @@ -472,107 +318,28 @@ void r_shadow_start(void) r_shadow_buffer_numsurfacepvsbytes = 0; r_shadow_buffer_surfacepvs = NULL; r_shadow_buffer_surfacelist = NULL; - for (i = 0;i < SHADERPERMUTATION_COUNT;i++) - r_shadow_program_light[i] = 0; - if (gl_support_fragment_shader) - { - char *vertstring, *fragstring; - int vertstrings_count; - int fragstrings_count; - const char *vertstrings_list[SHADERPERMUTATION_COUNT+1]; - const char *fragstrings_list[SHADERPERMUTATION_COUNT+1]; - vertstring = (char *)FS_LoadFile("glsl/light.vert", tempmempool, false, NULL); - fragstring = (char *)FS_LoadFile("glsl/light.frag", tempmempool, false, NULL); - for (i = 0;i < SHADERPERMUTATION_COUNT;i++) - { - vertstrings_count = 0; - fragstrings_count = 0; - if (i & SHADERPERMUTATION_SPECULAR) - { - vertstrings_list[vertstrings_count++] = "#define USESPECULAR\n"; - fragstrings_list[fragstrings_count++] = "#define USESPECULAR\n"; - } - if (i & SHADERPERMUTATION_FOG) - { - vertstrings_list[vertstrings_count++] = "#define USEFOG\n"; - fragstrings_list[fragstrings_count++] = "#define USEFOG\n"; - } - if (i & SHADERPERMUTATION_CUBEFILTER) - { - vertstrings_list[vertstrings_count++] = "#define USECUBEFILTER\n"; - fragstrings_list[fragstrings_count++] = "#define USECUBEFILTER\n"; - } - if (i & SHADERPERMUTATION_OFFSETMAPPING) - { - vertstrings_list[vertstrings_count++] = "#define USEOFFSETMAPPING\n"; - fragstrings_list[fragstrings_count++] = "#define USEOFFSETMAPPING\n"; - } - if (i & SHADERPERMUTATION_SURFACENORMALIZE) - { - vertstrings_list[vertstrings_count++] = "#define SURFACENORMALIZE\n"; - fragstrings_list[fragstrings_count++] = "#define SURFACENORMALIZE\n"; - } - if (i & SHADERPERMUTATION_GEFORCEFX) - { - // if the extension does not exist, don't try to compile it - if (!gl_support_half_float) - continue; - vertstrings_list[vertstrings_count++] = "#define GEFORCEFX\n"; - fragstrings_list[fragstrings_count++] = "#define GEFORCEFX\n"; - } - vertstrings_list[vertstrings_count++] = vertstring ? vertstring : builtinshader_light_vert; - fragstrings_list[fragstrings_count++] = fragstring ? fragstring : builtinshader_light_frag; - r_shadow_program_light[i] = GL_Backend_CompileProgram(vertstrings_count, vertstrings_list, fragstrings_count, fragstrings_list); - if (!r_shadow_program_light[i]) - { - Con_Printf("permutation %s %s %s %s %s %s failed for shader %s, some features may not work properly!\n", i & 1 ? "specular" : "", i & 2 ? "fog" : "", i & 4 ? "cubefilter" : "", i & 8 ? "offsetmapping" : "", i & 16 ? "surfacenormalize" : "", i & 32 ? "geforcefx" : "", "glsl/light"); - continue; - } - qglUseProgramObjectARB(r_shadow_program_light[i]); - qglUniform1iARB(qglGetUniformLocationARB(r_shadow_program_light[i], "Texture_Normal"), 0);CHECKGLERROR - qglUniform1iARB(qglGetUniformLocationARB(r_shadow_program_light[i], "Texture_Color"), 1);CHECKGLERROR - if (i & SHADERPERMUTATION_SPECULAR) - { - qglUniform1iARB(qglGetUniformLocationARB(r_shadow_program_light[i], "Texture_Gloss"), 2);CHECKGLERROR - } - if (i & SHADERPERMUTATION_CUBEFILTER) - { - qglUniform1iARB(qglGetUniformLocationARB(r_shadow_program_light[i], "Texture_Cube"), 3);CHECKGLERROR - } - if (i & SHADERPERMUTATION_FOG) - { - qglUniform1iARB(qglGetUniformLocationARB(r_shadow_program_light[i], "Texture_FogMask"), 4);CHECKGLERROR - } - } - qglUseProgramObjectARB(0); - if (fragstring) - Mem_Free(fragstring); - if (vertstring) - Mem_Free(vertstring); - } + r_shadow_buffer_numshadowtrispvsbytes = 0; + r_shadow_buffer_shadowtrispvs = NULL; + r_shadow_buffer_numlighttrispvsbytes = 0; + r_shadow_buffer_lighttrispvs = NULL; } void r_shadow_shutdown(void) { - int i; R_Shadow_UncompileWorldLights(); - for (i = 0;i < SHADERPERMUTATION_COUNT;i++) - { - if (r_shadow_program_light[i]) - { - GL_Backend_FreeProgram(r_shadow_program_light[i]); - r_shadow_program_light[i] = 0; - } - } numcubemaps = 0; + r_shadow_attenuationgradienttexture = NULL; r_shadow_attenuation2dtexture = NULL; r_shadow_attenuation3dtexture = NULL; R_FreeTexturePool(&r_shadow_texturepool); R_FreeTexturePool(&r_shadow_filters_texturepool); - maxshadowelements = 0; + maxshadowtriangles = 0; if (shadowelements) Mem_Free(shadowelements); shadowelements = NULL; + if (shadowvertex3f) + Mem_Free(shadowvertex3f); + shadowvertex3f = NULL; maxvertexupdate = 0; if (vertexupdate) Mem_Free(vertexupdate); @@ -604,6 +371,12 @@ void r_shadow_shutdown(void) if (r_shadow_buffer_surfacelist) Mem_Free(r_shadow_buffer_surfacelist); r_shadow_buffer_surfacelist = NULL; + r_shadow_buffer_numshadowtrispvsbytes = 0; + if (r_shadow_buffer_shadowtrispvs) + Mem_Free(r_shadow_buffer_shadowtrispvs); + r_shadow_buffer_numlighttrispvsbytes = 0; + if (r_shadow_buffer_lighttrispvs) + Mem_Free(r_shadow_buffer_lighttrispvs); } void r_shadow_newmap(void) @@ -621,33 +394,25 @@ void R_Shadow_Help_f(void) "r_shadow_gloss 0/1/2 : no gloss, gloss textures only, force gloss\n" "r_shadow_gloss2intensity : brightness of forced gloss\n" "r_shadow_glossintensity : brightness of textured gloss\n" -"r_shadow_lightattenuationpower : used to generate attenuation texture\n" -"r_shadow_lightattenuationscale : used to generate attenuation texture\n" +"r_shadow_lightattenuationlinearscale : used to generate attenuation texture\n" +"r_shadow_lightattenuationdividebias : used to generate attenuation texture\n" "r_shadow_lightintensityscale : scale rendering brightness of all lights\n" +"r_shadow_lightradiusscale : scale rendering radius of all lights\n" "r_shadow_portallight : use portal visibility for static light precomputation\n" "r_shadow_projectdistance : shadow volume projection distance\n" "r_shadow_realtime_dlight : use high quality dynamic lights in normal mode\n" "r_shadow_realtime_dlight_shadows : cast shadows from dlights\n" -"r_shadow_realtime_dlight_portalculling : work hard to reduce graphics work\n" "r_shadow_realtime_world : use high quality world lighting mode\n" -"r_shadow_realtime_world_dlightshadows : cast shadows from dlights\n" "r_shadow_realtime_world_lightmaps : use lightmaps in addition to lights\n" "r_shadow_realtime_world_shadows : cast shadows from world lights\n" "r_shadow_realtime_world_compile : compile surface/visibility information\n" "r_shadow_realtime_world_compileshadow : compile shadow geometry\n" -"r_shadow_glsl : use OpenGL Shading Language for lighting\n" -"r_shadow_glsl_offsetmapping : enables Offset Mapping bumpmap enhancement\n" -"r_shadow_glsl_offsetmapping_scale : controls depth of Offset Mapping\n" -"r_shadow_glsl_offsetmapping_bias : should be negative half of scale\n" -"r_shadow_glsl_usehalffloat : use lower quality lighting\n" -"r_shadow_glsl_surfacenormalize : makes bumpmapping slightly higher quality\n" "r_shadow_scissor : use scissor optimization\n" -"r_shadow_shadow_polygonfactor : nudge shadow volumes closer/further\n" -"r_shadow_shadow_polygonoffset : nudge shadow volumes closer/further\n" -"r_shadow_singlepassvolumegeneration : selects shadow volume algorithm\n" +"r_shadow_polygonfactor : nudge shadow volumes closer/further\n" +"r_shadow_polygonoffset : nudge shadow volumes closer/further\n" "r_shadow_texture3d : use 3d attenuation texture (if hardware supports)\n" -"r_shadow_visiblelighting : useful for performance testing; bright = slow!\n" -"r_shadow_visiblevolumes : useful for performance testing; bright = slow!\n" +"r_showlighting : useful for performance testing; bright = slow!\n" +"r_showshadowvolumes : useful for performance testing; bright = slow!\n" "Commands:\n" "r_shadow_help : this help\n" ); @@ -657,49 +422,49 @@ void R_Shadow_Init(void) { Cvar_RegisterVariable(&r_shadow_bumpscale_basetexture); Cvar_RegisterVariable(&r_shadow_bumpscale_bumpmap); + Cvar_RegisterVariable(&r_shadow_usenormalmap); Cvar_RegisterVariable(&r_shadow_debuglight); Cvar_RegisterVariable(&r_shadow_gloss); Cvar_RegisterVariable(&r_shadow_gloss2intensity); Cvar_RegisterVariable(&r_shadow_glossintensity); - Cvar_RegisterVariable(&r_shadow_lightattenuationpower); - Cvar_RegisterVariable(&r_shadow_lightattenuationscale); + Cvar_RegisterVariable(&r_shadow_glossexponent); + Cvar_RegisterVariable(&r_shadow_lightattenuationdividebias); + Cvar_RegisterVariable(&r_shadow_lightattenuationlinearscale); Cvar_RegisterVariable(&r_shadow_lightintensityscale); + Cvar_RegisterVariable(&r_shadow_lightradiusscale); Cvar_RegisterVariable(&r_shadow_portallight); Cvar_RegisterVariable(&r_shadow_projectdistance); + Cvar_RegisterVariable(&r_shadow_frontsidecasting); Cvar_RegisterVariable(&r_shadow_realtime_dlight); Cvar_RegisterVariable(&r_shadow_realtime_dlight_shadows); + Cvar_RegisterVariable(&r_shadow_realtime_dlight_svbspculling); Cvar_RegisterVariable(&r_shadow_realtime_dlight_portalculling); Cvar_RegisterVariable(&r_shadow_realtime_world); - Cvar_RegisterVariable(&r_shadow_realtime_world_dlightshadows); Cvar_RegisterVariable(&r_shadow_realtime_world_lightmaps); Cvar_RegisterVariable(&r_shadow_realtime_world_shadows); Cvar_RegisterVariable(&r_shadow_realtime_world_compile); Cvar_RegisterVariable(&r_shadow_realtime_world_compileshadow); + Cvar_RegisterVariable(&r_shadow_realtime_world_compilesvbsp); + Cvar_RegisterVariable(&r_shadow_realtime_world_compileportalculling); Cvar_RegisterVariable(&r_shadow_scissor); - Cvar_RegisterVariable(&r_shadow_shadow_polygonfactor); - Cvar_RegisterVariable(&r_shadow_shadow_polygonoffset); - Cvar_RegisterVariable(&r_shadow_singlepassvolumegeneration); + Cvar_RegisterVariable(&r_shadow_culltriangles); + Cvar_RegisterVariable(&r_shadow_polygonfactor); + Cvar_RegisterVariable(&r_shadow_polygonoffset); Cvar_RegisterVariable(&r_shadow_texture3d); - Cvar_RegisterVariable(&r_shadow_visiblelighting); - Cvar_RegisterVariable(&r_shadow_visiblevolumes); - Cvar_RegisterVariable(&r_shadow_glsl); - Cvar_RegisterVariable(&r_shadow_glsl_offsetmapping); - Cvar_RegisterVariable(&r_shadow_glsl_offsetmapping_scale); - Cvar_RegisterVariable(&r_shadow_glsl_offsetmapping_bias); - Cvar_RegisterVariable(&r_shadow_glsl_usehalffloat); - Cvar_RegisterVariable(&r_shadow_glsl_surfacenormalize); + Cvar_RegisterVariable(&gl_ext_separatestencil); Cvar_RegisterVariable(&gl_ext_stenciltwoside); if (gamemode == GAME_TENEBRAE) { Cvar_SetValue("r_shadow_gloss", 2); Cvar_SetValue("r_shadow_bumpscale_basetexture", 4); } - Cmd_AddCommand("r_shadow_help", R_Shadow_Help_f); + Cmd_AddCommand("r_shadow_help", R_Shadow_Help_f, "prints documentation on console commands and variables used by realtime lighting and shadowing system"); R_Shadow_EditLights_Init(); - r_shadow_mempool = Mem_AllocPool("R_Shadow", 0, NULL); r_shadow_worldlightchain = NULL; - maxshadowelements = 0; + maxshadowtriangles = 0; shadowelements = NULL; + maxshadowvertices = 0; + shadowvertex3f = NULL; maxvertexupdate = 0; vertexupdate = NULL; vertexremap = NULL; @@ -715,6 +480,8 @@ void R_Shadow_Init(void) r_shadow_buffer_numsurfacepvsbytes = 0; r_shadow_buffer_surfacepvs = NULL; r_shadow_buffer_surfacelist = NULL; + r_shadow_buffer_shadowtrispvs = NULL; + r_shadow_buffer_lighttrispvs = NULL; R_RegisterModule("R_Shadow", r_shadow_start, r_shadow_shutdown, r_shadow_newmap); } @@ -738,23 +505,32 @@ matrix4x4_t matrix_attenuationz = } }; -int *R_Shadow_ResizeShadowElements(int numtris) +void R_Shadow_ResizeShadowArrays(int numvertices, int numtriangles) { // make sure shadowelements is big enough for this volume - if (maxshadowelements < numtris * 24) + if (maxshadowtriangles < numtriangles) { - maxshadowelements = numtris * 24; + maxshadowtriangles = numtriangles; if (shadowelements) Mem_Free(shadowelements); - shadowelements = (int *)Mem_Alloc(r_shadow_mempool, maxshadowelements * sizeof(int)); + shadowelements = (int *)Mem_Alloc(r_main_mempool, maxshadowtriangles * sizeof(int[24])); + } + // make sure shadowvertex3f is big enough for this volume + if (maxshadowvertices < numvertices) + { + maxshadowvertices = numvertices; + if (shadowvertex3f) + Mem_Free(shadowvertex3f); + shadowvertex3f = (float *)Mem_Alloc(r_main_mempool, maxshadowvertices * sizeof(float[6])); } - return shadowelements; } -static void R_Shadow_EnlargeLeafSurfaceBuffer(int numleafs, int numsurfaces) +static void R_Shadow_EnlargeLeafSurfaceTrisBuffer(int numleafs, int numsurfaces, int numshadowtriangles, int numlighttriangles) { int numleafpvsbytes = (((numleafs + 7) >> 3) + 255) & ~255; int numsurfacepvsbytes = (((numsurfaces + 7) >> 3) + 255) & ~255; + int numshadowtrispvsbytes = (((numshadowtriangles + 7) >> 3) + 255) & ~255; + int numlighttrispvsbytes = (((numlighttriangles + 7) >> 3) + 255) & ~255; if (r_shadow_buffer_numleafpvsbytes < numleafpvsbytes) { if (r_shadow_buffer_leafpvs) @@ -762,8 +538,8 @@ static void R_Shadow_EnlargeLeafSurfaceBuffer(int numleafs, int numsurfaces) if (r_shadow_buffer_leaflist) Mem_Free(r_shadow_buffer_leaflist); r_shadow_buffer_numleafpvsbytes = numleafpvsbytes; - r_shadow_buffer_leafpvs = (unsigned char *)Mem_Alloc(r_shadow_mempool, r_shadow_buffer_numleafpvsbytes); - r_shadow_buffer_leaflist = (int *)Mem_Alloc(r_shadow_mempool, r_shadow_buffer_numleafpvsbytes * 8 * sizeof(*r_shadow_buffer_leaflist)); + r_shadow_buffer_leafpvs = (unsigned char *)Mem_Alloc(r_main_mempool, r_shadow_buffer_numleafpvsbytes); + r_shadow_buffer_leaflist = (int *)Mem_Alloc(r_main_mempool, r_shadow_buffer_numleafpvsbytes * 8 * sizeof(*r_shadow_buffer_leaflist)); } if (r_shadow_buffer_numsurfacepvsbytes < numsurfacepvsbytes) { @@ -772,8 +548,22 @@ static void R_Shadow_EnlargeLeafSurfaceBuffer(int numleafs, int numsurfaces) if (r_shadow_buffer_surfacelist) Mem_Free(r_shadow_buffer_surfacelist); r_shadow_buffer_numsurfacepvsbytes = numsurfacepvsbytes; - r_shadow_buffer_surfacepvs = (unsigned char *)Mem_Alloc(r_shadow_mempool, r_shadow_buffer_numsurfacepvsbytes); - r_shadow_buffer_surfacelist = (int *)Mem_Alloc(r_shadow_mempool, r_shadow_buffer_numsurfacepvsbytes * 8 * sizeof(*r_shadow_buffer_surfacelist)); + r_shadow_buffer_surfacepvs = (unsigned char *)Mem_Alloc(r_main_mempool, r_shadow_buffer_numsurfacepvsbytes); + r_shadow_buffer_surfacelist = (int *)Mem_Alloc(r_main_mempool, r_shadow_buffer_numsurfacepvsbytes * 8 * sizeof(*r_shadow_buffer_surfacelist)); + } + if (r_shadow_buffer_numshadowtrispvsbytes < numshadowtrispvsbytes) + { + if (r_shadow_buffer_shadowtrispvs) + Mem_Free(r_shadow_buffer_shadowtrispvs); + r_shadow_buffer_numshadowtrispvsbytes = numshadowtrispvsbytes; + r_shadow_buffer_shadowtrispvs = (unsigned char *)Mem_Alloc(r_main_mempool, r_shadow_buffer_numshadowtrispvsbytes); + } + if (r_shadow_buffer_numlighttrispvsbytes < numlighttrispvsbytes) + { + if (r_shadow_buffer_lighttrispvs) + Mem_Free(r_shadow_buffer_lighttrispvs); + r_shadow_buffer_numlighttrispvsbytes = numlighttrispvsbytes; + r_shadow_buffer_lighttrispvs = (unsigned char *)Mem_Alloc(r_main_mempool, r_shadow_buffer_numlighttrispvsbytes); } } @@ -787,8 +577,8 @@ void R_Shadow_PrepareShadowMark(int numtris) Mem_Free(shadowmark); if (shadowmarklist) Mem_Free(shadowmarklist); - shadowmark = (int *)Mem_Alloc(r_shadow_mempool, maxshadowmark * sizeof(*shadowmark)); - shadowmarklist = (int *)Mem_Alloc(r_shadow_mempool, maxshadowmark * sizeof(*shadowmarklist)); + shadowmark = (int *)Mem_Alloc(r_main_mempool, maxshadowmark * sizeof(*shadowmark)); + shadowmarklist = (int *)Mem_Alloc(r_main_mempool, maxshadowmark * sizeof(*shadowmarklist)); shadowmarkcount = 0; } shadowmarkcount++; @@ -801,12 +591,18 @@ void R_Shadow_PrepareShadowMark(int numtris) numshadowmark = 0; } -int R_Shadow_ConstructShadowVolume(int innumvertices, int innumtris, const int *inelement3i, const int *inneighbor3i, const float *invertex3f, int *outnumvertices, int *outelement3i, float *outvertex3f, const float *projectorigin, float projectdistance, int numshadowmarktris, const int *shadowmarktris) +int R_Shadow_ConstructShadowVolume(int innumvertices, int innumtris, const int *inelement3i, const int *inneighbor3i, const float *invertex3f, int *outnumvertices, int *outelement3i, float *outvertex3f, const float *projectorigin, const float *projectdirection, float projectdistance, int numshadowmarktris, const int *shadowmarktris) { int i, j; int outtriangles = 0, outvertices = 0; const int *element; const float *vertex; + float ratio, direction[3], projectvector[3]; + + if (projectdirection) + VectorScale(projectdirection, projectdistance, projectvector); + else + VectorClear(projectvector); if (maxvertexupdate < innumvertices) { @@ -815,8 +611,8 @@ int R_Shadow_ConstructShadowVolume(int innumvertices, int innumtris, const int * Mem_Free(vertexupdate); if (vertexremap) Mem_Free(vertexremap); - vertexupdate = (int *)Mem_Alloc(r_shadow_mempool, maxvertexupdate * sizeof(int)); - vertexremap = (int *)Mem_Alloc(r_shadow_mempool, maxvertexupdate * sizeof(int)); + vertexupdate = (int *)Mem_Alloc(r_main_mempool, maxvertexupdate * sizeof(int)); + vertexremap = (int *)Mem_Alloc(r_main_mempool, maxvertexupdate * sizeof(int)); vertexupdatenum = 0; } vertexupdatenum++; @@ -830,91 +626,183 @@ int R_Shadow_ConstructShadowVolume(int innumvertices, int innumtris, const int * for (i = 0;i < numshadowmarktris;i++) shadowmark[shadowmarktris[i]] = shadowmarkcount; - for (i = 0;i < numshadowmarktris;i++) + // create the vertices + if (projectdirection) { - element = inelement3i + shadowmarktris[i] * 3; - // make sure the vertices are created - for (j = 0;j < 3;j++) + for (i = 0;i < numshadowmarktris;i++) { - if (vertexupdate[element[j]] != vertexupdatenum) + element = inelement3i + shadowmarktris[i] * 3; + for (j = 0;j < 3;j++) { - float ratio, direction[3]; - vertexupdate[element[j]] = vertexupdatenum; - vertexremap[element[j]] = outvertices; - vertex = invertex3f + element[j] * 3; - // project one copy of the vertex to the sphere radius of the light - // (FIXME: would projecting it to the light box be better?) - VectorSubtract(vertex, projectorigin, direction); - ratio = projectdistance / VectorLength(direction); - VectorCopy(vertex, outvertex3f); - VectorMA(projectorigin, ratio, direction, (outvertex3f + 3)); - outvertex3f += 6; - outvertices += 2; + if (vertexupdate[element[j]] != vertexupdatenum) + { + vertexupdate[element[j]] = vertexupdatenum; + vertexremap[element[j]] = outvertices; + vertex = invertex3f + element[j] * 3; + // project one copy of the vertex according to projectvector + VectorCopy(vertex, outvertex3f); + VectorAdd(vertex, projectvector, (outvertex3f + 3)); + outvertex3f += 6; + outvertices += 2; + } } } } - - for (i = 0;i < numshadowmarktris;i++) + else { - int remappedelement[3]; - int markindex; - const int *neighbortriangle; - - markindex = shadowmarktris[i] * 3; - element = inelement3i + markindex; - neighbortriangle = inneighbor3i + markindex; - // output the front and back triangles - outelement3i[0] = vertexremap[element[0]]; - outelement3i[1] = vertexremap[element[1]]; - outelement3i[2] = vertexremap[element[2]]; - outelement3i[3] = vertexremap[element[2]] + 1; - outelement3i[4] = vertexremap[element[1]] + 1; - outelement3i[5] = vertexremap[element[0]] + 1; - - outelement3i += 6; - outtriangles += 2; - // output the sides (facing outward from this triangle) - if (shadowmark[neighbortriangle[0]] != shadowmarkcount) + for (i = 0;i < numshadowmarktris;i++) { - remappedelement[0] = vertexremap[element[0]]; - remappedelement[1] = vertexremap[element[1]]; - outelement3i[0] = remappedelement[1]; - outelement3i[1] = remappedelement[0]; - outelement3i[2] = remappedelement[0] + 1; - outelement3i[3] = remappedelement[1]; - outelement3i[4] = remappedelement[0] + 1; - outelement3i[5] = remappedelement[1] + 1; - - outelement3i += 6; - outtriangles += 2; + element = inelement3i + shadowmarktris[i] * 3; + for (j = 0;j < 3;j++) + { + if (vertexupdate[element[j]] != vertexupdatenum) + { + vertexupdate[element[j]] = vertexupdatenum; + vertexremap[element[j]] = outvertices; + vertex = invertex3f + element[j] * 3; + // project one copy of the vertex to the sphere radius of the light + // (FIXME: would projecting it to the light box be better?) + VectorSubtract(vertex, projectorigin, direction); + ratio = projectdistance / VectorLength(direction); + VectorCopy(vertex, outvertex3f); + VectorMA(projectorigin, ratio, direction, (outvertex3f + 3)); + outvertex3f += 6; + outvertices += 2; + } + } } - if (shadowmark[neighbortriangle[1]] != shadowmarkcount) + } + + if (r_shadow_frontsidecasting.integer) + { + for (i = 0;i < numshadowmarktris;i++) { - remappedelement[1] = vertexremap[element[1]]; - remappedelement[2] = vertexremap[element[2]]; - outelement3i[0] = remappedelement[2]; - outelement3i[1] = remappedelement[1]; - outelement3i[2] = remappedelement[1] + 1; - outelement3i[3] = remappedelement[2]; - outelement3i[4] = remappedelement[1] + 1; - outelement3i[5] = remappedelement[2] + 1; + int remappedelement[3]; + int markindex; + const int *neighbortriangle; + + markindex = shadowmarktris[i] * 3; + element = inelement3i + markindex; + neighbortriangle = inneighbor3i + markindex; + // output the front and back triangles + outelement3i[0] = vertexremap[element[0]]; + outelement3i[1] = vertexremap[element[1]]; + outelement3i[2] = vertexremap[element[2]]; + outelement3i[3] = vertexremap[element[2]] + 1; + outelement3i[4] = vertexremap[element[1]] + 1; + outelement3i[5] = vertexremap[element[0]] + 1; outelement3i += 6; outtriangles += 2; + // output the sides (facing outward from this triangle) + if (shadowmark[neighbortriangle[0]] != shadowmarkcount) + { + remappedelement[0] = vertexremap[element[0]]; + remappedelement[1] = vertexremap[element[1]]; + outelement3i[0] = remappedelement[1]; + outelement3i[1] = remappedelement[0]; + outelement3i[2] = remappedelement[0] + 1; + outelement3i[3] = remappedelement[1]; + outelement3i[4] = remappedelement[0] + 1; + outelement3i[5] = remappedelement[1] + 1; + + outelement3i += 6; + outtriangles += 2; + } + if (shadowmark[neighbortriangle[1]] != shadowmarkcount) + { + remappedelement[1] = vertexremap[element[1]]; + remappedelement[2] = vertexremap[element[2]]; + outelement3i[0] = remappedelement[2]; + outelement3i[1] = remappedelement[1]; + outelement3i[2] = remappedelement[1] + 1; + outelement3i[3] = remappedelement[2]; + outelement3i[4] = remappedelement[1] + 1; + outelement3i[5] = remappedelement[2] + 1; + + outelement3i += 6; + outtriangles += 2; + } + if (shadowmark[neighbortriangle[2]] != shadowmarkcount) + { + remappedelement[0] = vertexremap[element[0]]; + remappedelement[2] = vertexremap[element[2]]; + outelement3i[0] = remappedelement[0]; + outelement3i[1] = remappedelement[2]; + outelement3i[2] = remappedelement[2] + 1; + outelement3i[3] = remappedelement[0]; + outelement3i[4] = remappedelement[2] + 1; + outelement3i[5] = remappedelement[0] + 1; + + outelement3i += 6; + outtriangles += 2; + } } - if (shadowmark[neighbortriangle[2]] != shadowmarkcount) + } + else + { + for (i = 0;i < numshadowmarktris;i++) { - remappedelement[0] = vertexremap[element[0]]; - remappedelement[2] = vertexremap[element[2]]; - outelement3i[0] = remappedelement[0]; - outelement3i[1] = remappedelement[2]; - outelement3i[2] = remappedelement[2] + 1; - outelement3i[3] = remappedelement[0]; - outelement3i[4] = remappedelement[2] + 1; - outelement3i[5] = remappedelement[0] + 1; + int remappedelement[3]; + int markindex; + const int *neighbortriangle; + + markindex = shadowmarktris[i] * 3; + element = inelement3i + markindex; + neighbortriangle = inneighbor3i + markindex; + // output the front and back triangles + outelement3i[0] = vertexremap[element[2]]; + outelement3i[1] = vertexremap[element[1]]; + outelement3i[2] = vertexremap[element[0]]; + outelement3i[3] = vertexremap[element[0]] + 1; + outelement3i[4] = vertexremap[element[1]] + 1; + outelement3i[5] = vertexremap[element[2]] + 1; outelement3i += 6; outtriangles += 2; + // output the sides (facing outward from this triangle) + if (shadowmark[neighbortriangle[0]] != shadowmarkcount) + { + remappedelement[0] = vertexremap[element[0]]; + remappedelement[1] = vertexremap[element[1]]; + outelement3i[0] = remappedelement[0]; + outelement3i[1] = remappedelement[1]; + outelement3i[2] = remappedelement[1] + 1; + outelement3i[3] = remappedelement[0]; + outelement3i[4] = remappedelement[1] + 1; + outelement3i[5] = remappedelement[0] + 1; + + outelement3i += 6; + outtriangles += 2; + } + if (shadowmark[neighbortriangle[1]] != shadowmarkcount) + { + remappedelement[1] = vertexremap[element[1]]; + remappedelement[2] = vertexremap[element[2]]; + outelement3i[0] = remappedelement[1]; + outelement3i[1] = remappedelement[2]; + outelement3i[2] = remappedelement[2] + 1; + outelement3i[3] = remappedelement[1]; + outelement3i[4] = remappedelement[2] + 1; + outelement3i[5] = remappedelement[1] + 1; + + outelement3i += 6; + outtriangles += 2; + } + if (shadowmark[neighbortriangle[2]] != shadowmarkcount) + { + remappedelement[0] = vertexremap[element[0]]; + remappedelement[2] = vertexremap[element[2]]; + outelement3i[0] = remappedelement[2]; + outelement3i[1] = remappedelement[0]; + outelement3i[2] = remappedelement[0] + 1; + outelement3i[3] = remappedelement[2]; + outelement3i[4] = remappedelement[0] + 1; + outelement3i[5] = remappedelement[2] + 1; + + outelement3i += 6; + outtriangles += 2; + } } } if (outnumvertices) @@ -922,143 +810,158 @@ int R_Shadow_ConstructShadowVolume(int innumvertices, int innumtris, const int * return outtriangles; } -void R_Shadow_VolumeFromList(int numverts, int numtris, const float *invertex3f, const int *elements, const int *neighbors, const vec3_t projectorigin, float projectdistance, int nummarktris, const int *marktris) +void R_Shadow_VolumeFromList(int numverts, int numtris, const float *invertex3f, const int *elements, const int *neighbors, const vec3_t projectorigin, const vec3_t projectdirection, float projectdistance, int nummarktris, const int *marktris) { int tris, outverts; if (projectdistance < 0.1) { - Con_Printf("R_Shadow_Volume: projectdistance %f\n"); + Con_Printf("R_Shadow_Volume: projectdistance %f\n", projectdistance); return; } if (!numverts || !nummarktris) return; // make sure shadowelements is big enough for this volume - if (maxshadowelements < nummarktris * 24) - R_Shadow_ResizeShadowElements((nummarktris + 256) * 24); - tris = R_Shadow_ConstructShadowVolume(numverts, numtris, elements, neighbors, invertex3f, &outverts, shadowelements, varray_vertex3f2, projectorigin, projectdistance, nummarktris, marktris); - renderstats.lights_dynamicshadowtriangles += tris; - R_Shadow_RenderVolume(outverts, tris, varray_vertex3f2, shadowelements); + if (maxshadowtriangles < nummarktris || maxshadowvertices < numverts) + R_Shadow_ResizeShadowArrays((numverts + 255) & ~255, (nummarktris + 255) & ~255); + tris = R_Shadow_ConstructShadowVolume(numverts, numtris, elements, neighbors, invertex3f, &outverts, shadowelements, shadowvertex3f, projectorigin, projectdirection, projectdistance, nummarktris, marktris); + r_refdef.stats.lights_dynamicshadowtriangles += tris; + R_Shadow_RenderVolume(outverts, tris, shadowvertex3f, shadowelements); } -void R_Shadow_MarkVolumeFromBox(int firsttriangle, int numtris, const float *invertex3f, const int *elements, const vec3_t projectorigin, const vec3_t lightmins, const vec3_t lightmaxs, const vec3_t surfacemins, const vec3_t surfacemaxs) +void R_Shadow_MarkVolumeFromBox(int firsttriangle, int numtris, const float *invertex3f, const int *elements, const vec3_t projectorigin, const vec3_t projectdirection, const vec3_t lightmins, const vec3_t lightmaxs, const vec3_t surfacemins, const vec3_t surfacemaxs) { int t, tend; const int *e; const float *v[3]; + float normal[3]; if (!BoxesOverlap(lightmins, lightmaxs, surfacemins, surfacemaxs)) return; tend = firsttriangle + numtris; - if (surfacemins[0] >= lightmins[0] && surfacemaxs[0] <= lightmaxs[0] - && surfacemins[1] >= lightmins[1] && surfacemaxs[1] <= lightmaxs[1] - && surfacemins[2] >= lightmins[2] && surfacemaxs[2] <= lightmaxs[2]) + if (BoxInsideBox(surfacemins, surfacemaxs, lightmins, lightmaxs)) { // surface box entirely inside light box, no box cull - for (t = firsttriangle, e = elements + t * 3;t < tend;t++, e += 3) - if (PointInfrontOfTriangle(projectorigin, invertex3f + e[0] * 3, invertex3f + e[1] * 3, invertex3f + e[2] * 3)) - shadowmarklist[numshadowmark++] = t; + if (projectdirection) + { + for (t = firsttriangle, e = elements + t * 3;t < tend;t++, e += 3) + { + TriangleNormal(invertex3f + e[0] * 3, invertex3f + e[1] * 3, invertex3f + e[2] * 3, normal); + if (r_shadow_frontsidecasting.integer == (DotProduct(normal, projectdirection) < 0)) + shadowmarklist[numshadowmark++] = t; + } + } + else + { + for (t = firsttriangle, e = elements + t * 3;t < tend;t++, e += 3) + if (r_shadow_frontsidecasting.integer == PointInfrontOfTriangle(projectorigin, invertex3f + e[0] * 3, invertex3f + e[1] * 3, invertex3f + e[2] * 3)) + shadowmarklist[numshadowmark++] = t; + } } else { // surface box not entirely inside light box, cull each triangle - for (t = firsttriangle, e = elements + t * 3;t < tend;t++, e += 3) + if (projectdirection) + { + for (t = firsttriangle, e = elements + t * 3;t < tend;t++, e += 3) + { + v[0] = invertex3f + e[0] * 3; + v[1] = invertex3f + e[1] * 3; + v[2] = invertex3f + e[2] * 3; + TriangleNormal(v[0], v[1], v[2], normal); + if (r_shadow_frontsidecasting.integer == (DotProduct(normal, projectdirection) < 0) + && TriangleOverlapsBox(v[0], v[1], v[2], lightmins, lightmaxs)) + shadowmarklist[numshadowmark++] = t; + } + } + else { - v[0] = invertex3f + e[0] * 3; - v[1] = invertex3f + e[1] * 3; - v[2] = invertex3f + e[2] * 3; - if (PointInfrontOfTriangle(projectorigin, v[0], v[1], v[2]) - && lightmaxs[0] > min(v[0][0], min(v[1][0], v[2][0])) - && lightmins[0] < max(v[0][0], max(v[1][0], v[2][0])) - && lightmaxs[1] > min(v[0][1], min(v[1][1], v[2][1])) - && lightmins[1] < max(v[0][1], max(v[1][1], v[2][1])) - && lightmaxs[2] > min(v[0][2], min(v[1][2], v[2][2])) - && lightmins[2] < max(v[0][2], max(v[1][2], v[2][2]))) - shadowmarklist[numshadowmark++] = t; + for (t = firsttriangle, e = elements + t * 3;t < tend;t++, e += 3) + { + v[0] = invertex3f + e[0] * 3; + v[1] = invertex3f + e[1] * 3; + v[2] = invertex3f + e[2] * 3; + if (r_shadow_frontsidecasting.integer == PointInfrontOfTriangle(projectorigin, v[0], v[1], v[2]) + && TriangleOverlapsBox(v[0], v[1], v[2], lightmins, lightmaxs)) + shadowmarklist[numshadowmark++] = t; + } } } } void R_Shadow_RenderVolume(int numvertices, int numtriangles, const float *vertex3f, const int *element3i) { - rmeshstate_t m; if (r_shadow_compilingrtlight) { // if we're compiling an rtlight, capture the mesh - Mod_ShadowMesh_AddMesh(r_shadow_mempool, r_shadow_compilingrtlight->static_meshchain_shadow, NULL, NULL, NULL, vertex3f, NULL, NULL, NULL, NULL, numtriangles, element3i); + Mod_ShadowMesh_AddMesh(r_main_mempool, r_shadow_compilingrtlight->static_meshchain_shadow, NULL, NULL, NULL, vertex3f, NULL, NULL, NULL, NULL, numtriangles, element3i); return; } - renderstats.lights_shadowtriangles += numtriangles; - memset(&m, 0, sizeof(m)); - m.pointer_vertex = vertex3f; - R_Mesh_State(&m); + r_refdef.stats.lights_shadowtriangles += numtriangles; + CHECKGLERROR + R_Mesh_VertexPointer(vertex3f, 0, 0); GL_LockArrays(0, numvertices); - if (r_shadowstage == R_SHADOWSTAGE_STENCIL) + if (r_shadow_rendermode == R_SHADOW_RENDERMODE_STENCIL) { // decrement stencil if backface is behind depthbuffer - qglCullFace(GL_BACK); // quake is backwards, this culls front faces - qglStencilOp(GL_KEEP, GL_DECR, GL_KEEP); - R_Mesh_Draw(0, numvertices, numtriangles, element3i); + GL_CullFace(GL_BACK); // quake is backwards, this culls front faces + qglStencilOp(GL_KEEP, GL_DECR, GL_KEEP);CHECKGLERROR + R_Mesh_Draw(0, numvertices, numtriangles, element3i, 0, 0); // increment stencil if frontface is behind depthbuffer - qglCullFace(GL_FRONT); // quake is backwards, this culls back faces - qglStencilOp(GL_KEEP, GL_INCR, GL_KEEP); + GL_CullFace(GL_FRONT); // quake is backwards, this culls back faces + qglStencilOp(GL_KEEP, GL_INCR, GL_KEEP);CHECKGLERROR } - R_Mesh_Draw(0, numvertices, numtriangles, element3i); + R_Mesh_Draw(0, numvertices, numtriangles, element3i, 0, 0); GL_LockArrays(0, 0); + CHECKGLERROR +} + +static unsigned char R_Shadow_MakeTextures_SamplePoint(float x, float y, float z) +{ + float dist = sqrt(x*x+y*y+z*z); + float intensity = dist < 1 ? ((1.0f - dist) * r_shadow_lightattenuationlinearscale.value / (r_shadow_lightattenuationdividebias.value + dist*dist)) : 0; + return (unsigned char)bound(0, intensity * 256.0f, 255); } static void R_Shadow_MakeTextures(void) { - int x, y, z, d; - float v[3], intensity; + int x, y, z; + float intensity, dist; unsigned char *data; + unsigned int palette[256]; R_FreeTexturePool(&r_shadow_texturepool); r_shadow_texturepool = R_AllocTexturePool(); - r_shadow_attenpower = r_shadow_lightattenuationpower.value; - r_shadow_attenscale = r_shadow_lightattenuationscale.value; -#define ATTEN2DSIZE 64 -#define ATTEN3DSIZE 32 - data = (unsigned char *)Mem_Alloc(tempmempool, max(ATTEN3DSIZE*ATTEN3DSIZE*ATTEN3DSIZE*4, ATTEN2DSIZE*ATTEN2DSIZE*4)); - for (y = 0;y < ATTEN2DSIZE;y++) + r_shadow_attenlinearscale = r_shadow_lightattenuationlinearscale.value; + r_shadow_attendividebias = r_shadow_lightattenuationdividebias.value; + // note this code could suffer byte order issues except that it is multiplying by an integer that reads the same both ways + for (x = 0;x < 256;x++) + palette[x] = x * 0x01010101; + data = (unsigned char *)Mem_Alloc(tempmempool, max(max(ATTEN3DSIZE*ATTEN3DSIZE*ATTEN3DSIZE, ATTEN2DSIZE*ATTEN2DSIZE), ATTEN1DSIZE)); + // the table includes one additional value to avoid the need to clamp indexing due to minor math errors + for (x = 0;x <= ATTENTABLESIZE;x++) { - for (x = 0;x < ATTEN2DSIZE;x++) - { - v[0] = ((x + 0.5f) * (2.0f / ATTEN2DSIZE) - 1.0f) * (1.0f / 0.9375); - v[1] = ((y + 0.5f) * (2.0f / ATTEN2DSIZE) - 1.0f) * (1.0f / 0.9375); - v[2] = 0; - intensity = 1.0f - sqrt(DotProduct(v, v)); - if (intensity > 0) - intensity = pow(intensity, r_shadow_attenpower) * r_shadow_attenscale * 256.0f; - d = bound(0, intensity, 255); - data[(y*ATTEN2DSIZE+x)*4+0] = d; - data[(y*ATTEN2DSIZE+x)*4+1] = d; - data[(y*ATTEN2DSIZE+x)*4+2] = d; - data[(y*ATTEN2DSIZE+x)*4+3] = d; - } + dist = (x + 0.5f) * (1.0f / ATTENTABLESIZE) * (1.0f / 0.9375); + intensity = dist < 1 ? ((1.0f - dist) * r_shadow_lightattenuationlinearscale.value / (r_shadow_lightattenuationdividebias.value + dist*dist)) : 0; + r_shadow_attentable[x] = bound(0, intensity, 1); } - r_shadow_attenuation2dtexture = R_LoadTexture2D(r_shadow_texturepool, "attenuation2d", ATTEN2DSIZE, ATTEN2DSIZE, data, TEXTYPE_RGBA, TEXF_PRECACHE | TEXF_CLAMP | TEXF_ALPHA, NULL); - if (r_shadow_texture3d.integer) + // 1D gradient texture + for (x = 0;x < ATTEN1DSIZE;x++) + data[x] = R_Shadow_MakeTextures_SamplePoint((x + 0.5f) * (1.0f / ATTEN1DSIZE) * (1.0f / 0.9375), 0, 0); + r_shadow_attenuationgradienttexture = R_LoadTexture2D(r_shadow_texturepool, "attenuation1d", ATTEN1DSIZE, 1, data, TEXTYPE_PALETTE, TEXF_PRECACHE | TEXF_CLAMP | TEXF_ALPHA, palette); + // 2D circle texture + for (y = 0;y < ATTEN2DSIZE;y++) + for (x = 0;x < ATTEN2DSIZE;x++) + data[y*ATTEN2DSIZE+x] = R_Shadow_MakeTextures_SamplePoint(((x + 0.5f) * (2.0f / ATTEN2DSIZE) - 1.0f) * (1.0f / 0.9375), ((y + 0.5f) * (2.0f / ATTEN2DSIZE) - 1.0f) * (1.0f / 0.9375), 0); + r_shadow_attenuation2dtexture = R_LoadTexture2D(r_shadow_texturepool, "attenuation2d", ATTEN2DSIZE, ATTEN2DSIZE, data, TEXTYPE_PALETTE, TEXF_PRECACHE | TEXF_CLAMP | TEXF_ALPHA, palette); + // 3D sphere texture + if (r_shadow_texture3d.integer && gl_texture3d) { for (z = 0;z < ATTEN3DSIZE;z++) - { for (y = 0;y < ATTEN3DSIZE;y++) - { for (x = 0;x < ATTEN3DSIZE;x++) - { - v[0] = ((x + 0.5f) * (2.0f / ATTEN3DSIZE) - 1.0f) * (1.0f / 0.9375); - v[1] = ((y + 0.5f) * (2.0f / ATTEN3DSIZE) - 1.0f) * (1.0f / 0.9375); - v[2] = ((z + 0.5f) * (2.0f / ATTEN3DSIZE) - 1.0f) * (1.0f / 0.9375); - intensity = 1.0f - sqrt(DotProduct(v, v)); - if (intensity > 0) - intensity = pow(intensity, r_shadow_attenpower) * r_shadow_attenscale * 256.0f; - d = bound(0, intensity, 255); - data[((z*ATTEN3DSIZE+y)*ATTEN3DSIZE+x)*4+0] = d; - data[((z*ATTEN3DSIZE+y)*ATTEN3DSIZE+x)*4+1] = d; - data[((z*ATTEN3DSIZE+y)*ATTEN3DSIZE+x)*4+2] = d; - data[((z*ATTEN3DSIZE+y)*ATTEN3DSIZE+x)*4+3] = d; - } - } - } - r_shadow_attenuation3dtexture = R_LoadTexture3D(r_shadow_texturepool, "attenuation3d", ATTEN3DSIZE, ATTEN3DSIZE, ATTEN3DSIZE, data, TEXTYPE_RGBA, TEXF_PRECACHE | TEXF_CLAMP | TEXF_ALPHA, NULL); + data[(z*ATTEN3DSIZE+y)*ATTEN3DSIZE+x] = R_Shadow_MakeTextures_SamplePoint(((x + 0.5f) * (2.0f / ATTEN3DSIZE) - 1.0f) * (1.0f / 0.9375), ((y + 0.5f) * (2.0f / ATTEN3DSIZE) - 1.0f) * (1.0f / 0.9375), ((z + 0.5f) * (2.0f / ATTEN3DSIZE) - 1.0f) * (1.0f / 0.9375)); + r_shadow_attenuation3dtexture = R_LoadTexture3D(r_shadow_texturepool, "attenuation3d", ATTEN3DSIZE, ATTEN3DSIZE, ATTEN3DSIZE, data, TEXTYPE_PALETTE, TEXF_PRECACHE | TEXF_CLAMP | TEXF_ALPHA, palette); } + else + r_shadow_attenuation3dtexture = NULL; Mem_Free(data); } @@ -1066,273 +969,205 @@ void R_Shadow_ValidateCvars(void) { if (r_shadow_texture3d.integer && !gl_texture3d) Cvar_SetValueQuick(&r_shadow_texture3d, 0); + if (gl_ext_separatestencil.integer && !gl_support_separatestencil) + Cvar_SetValueQuick(&gl_ext_separatestencil, 0); if (gl_ext_stenciltwoside.integer && !gl_support_stenciltwoside) Cvar_SetValueQuick(&gl_ext_stenciltwoside, 0); } // light currently being rendered rtlight_t *r_shadow_rtlight; -// light filter cubemap being used by the light -static rtexture_t *r_shadow_lightcubemap; -// this is the location of the eye in entity space -static vec3_t r_shadow_entityeyeorigin; // this is the location of the light in entity space -static vec3_t r_shadow_entitylightorigin; +vec3_t r_shadow_entitylightorigin; // this transforms entity coordinates to light filter cubemap coordinates // (also often used for other purposes) -static matrix4x4_t r_shadow_entitytolight; +matrix4x4_t r_shadow_entitytolight; // based on entitytolight this transforms -1 to +1 to 0 to 1 for purposes // of attenuation texturing in full 3D (Z result often ignored) -static matrix4x4_t r_shadow_entitytoattenuationxyz; +matrix4x4_t r_shadow_entitytoattenuationxyz; // this transforms only the Z to S, and T is always 0.5 -static matrix4x4_t r_shadow_entitytoattenuationz; -// rtlight->color * r_refdef.lightstylevalue[rtlight->style] / 256 * r_shadow_lightintensityscale.value * ent->colormod * ent->alpha -static vec3_t r_shadow_entitylightcolorbase; -// rtlight->color * r_refdef.lightstylevalue[rtlight->style] / 256 * r_shadow_lightintensityscale.value * ent->colormap_pantscolor * ent->alpha -static vec3_t r_shadow_entitylightcolorpants; -// rtlight->color * r_refdef.lightstylevalue[rtlight->style] / 256 * r_shadow_lightintensityscale.value * ent->colormap_shirtcolor * ent->alpha -static vec3_t r_shadow_entitylightcolorshirt; - -static int r_shadow_lightpermutation; -static int r_shadow_lightprog; - -void R_Shadow_Stage_Begin(void) -{ - rmeshstate_t m; +matrix4x4_t r_shadow_entitytoattenuationz; +void R_Shadow_RenderMode_Begin(void) +{ R_Shadow_ValidateCvars(); if (!r_shadow_attenuation2dtexture || (!r_shadow_attenuation3dtexture && r_shadow_texture3d.integer) - || r_shadow_lightattenuationpower.value != r_shadow_attenpower - || r_shadow_lightattenuationscale.value != r_shadow_attenscale) + || r_shadow_lightattenuationdividebias.value != r_shadow_attendividebias + || r_shadow_lightattenuationlinearscale.value != r_shadow_attenlinearscale) R_Shadow_MakeTextures(); - memset(&m, 0, sizeof(m)); + CHECKGLERROR + R_Mesh_ColorPointer(NULL, 0, 0); + R_Mesh_ResetTextureState(); GL_BlendFunc(GL_ONE, GL_ZERO); - GL_DepthMask(false); + GL_DepthRange(0, 1); GL_DepthTest(true); - R_Mesh_State(&m); + GL_DepthMask(false); GL_Color(0, 0, 0, 1); - qglCullFace(GL_FRONT); // quake is backwards, this culls back faces - qglEnable(GL_CULL_FACE); - GL_Scissor(r_view_x, r_view_y, r_view_width, r_view_height); - r_shadowstage = R_SHADOWSTAGE_NONE; + GL_Scissor(r_view.x, r_view.y, r_view.width, r_view.height); + + r_shadow_rendermode = R_SHADOW_RENDERMODE_NONE; + + if (gl_ext_separatestencil.integer) + r_shadow_shadowingrendermode = R_SHADOW_RENDERMODE_SEPARATESTENCIL; + else if (gl_ext_stenciltwoside.integer) + r_shadow_shadowingrendermode = R_SHADOW_RENDERMODE_STENCILTWOSIDE; + else + r_shadow_shadowingrendermode = R_SHADOW_RENDERMODE_STENCIL; + + if (r_glsl.integer && gl_support_fragment_shader) + r_shadow_lightingrendermode = R_SHADOW_RENDERMODE_LIGHT_GLSL; + else if (gl_dot3arb && gl_texturecubemap && r_textureunits.integer >= 2 && gl_combine.integer && gl_stencil) + r_shadow_lightingrendermode = R_SHADOW_RENDERMODE_LIGHT_DOT3; + else + r_shadow_lightingrendermode = R_SHADOW_RENDERMODE_LIGHT_VERTEX; } -void R_Shadow_Stage_ActiveLight(rtlight_t *rtlight) +void R_Shadow_RenderMode_ActiveLight(rtlight_t *rtlight) { r_shadow_rtlight = rtlight; } -void R_Shadow_Stage_Reset(void) +void R_Shadow_RenderMode_Reset(void) { - rmeshstate_t m; - if (gl_support_stenciltwoside) - qglDisable(GL_STENCIL_TEST_TWO_SIDE_EXT); - if (r_shadowstage == R_SHADOWSTAGE_LIGHT_GLSL) - { - qglUseProgramObjectARB(0); - // HACK HACK HACK: work around for stupid NVIDIA bug that causes GL_OUT_OF_MEMORY and/or software rendering in 6xxx drivers - qglBegin(GL_TRIANGLES); - qglEnd(); - CHECKGLERROR + CHECKGLERROR + if (r_shadow_rendermode == R_SHADOW_RENDERMODE_LIGHT_GLSL) + { + qglUseProgramObjectARB(0);CHECKGLERROR } - memset(&m, 0, sizeof(m)); - R_Mesh_State(&m); + else if (r_shadow_rendermode == R_SHADOW_RENDERMODE_STENCILTWOSIDE) + { + qglDisable(GL_STENCIL_TEST_TWO_SIDE_EXT);CHECKGLERROR + } + R_Mesh_ColorPointer(NULL, 0, 0); + R_Mesh_ResetTextureState(); + GL_DepthRange(0, 1); + GL_DepthTest(true); + GL_DepthMask(false); + qglDepthFunc(GL_LEQUAL);CHECKGLERROR + qglPolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);CHECKGLERROR + qglDisable(GL_STENCIL_TEST);CHECKGLERROR + qglStencilMask(~0);CHECKGLERROR + qglStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);CHECKGLERROR + qglStencilFunc(GL_ALWAYS, 128, ~0);CHECKGLERROR + GL_CullFace(GL_FRONT); // quake is backwards, this culls back faces + GL_Color(1, 1, 1, 1); + GL_ColorMask(r_view.colormask[0], r_view.colormask[1], r_view.colormask[2], 1); + GL_BlendFunc(GL_ONE, GL_ZERO); } -void R_Shadow_Stage_StencilShadowVolumes(void) +void R_Shadow_RenderMode_StencilShadowVolumes(qboolean clearstencil) { - R_Shadow_Stage_Reset(); - GL_Color(1, 1, 1, 1); + CHECKGLERROR + R_Shadow_RenderMode_Reset(); GL_ColorMask(0, 0, 0, 0); - GL_BlendFunc(GL_ONE, GL_ZERO); - GL_DepthMask(false); - GL_DepthTest(true); - qglPolygonOffset(r_shadow_shadow_polygonfactor.value, r_shadow_shadow_polygonoffset.value); - //if (r_shadow_shadow_polygonoffset.value != 0) - //{ - // qglPolygonOffset(r_shadow_shadow_polygonfactor.value, r_shadow_shadow_polygonoffset.value); - // qglEnable(GL_POLYGON_OFFSET_FILL); - //} - //else - // qglDisable(GL_POLYGON_OFFSET_FILL); - qglDepthFunc(GL_LESS); - qglCullFace(GL_FRONT); // quake is backwards, this culls back faces - qglEnable(GL_STENCIL_TEST); - qglStencilFunc(GL_ALWAYS, 128, ~0); - if (gl_ext_stenciltwoside.integer) - { - r_shadowstage = R_SHADOWSTAGE_STENCILTWOSIDE; - qglDisable(GL_CULL_FACE); - qglEnable(GL_STENCIL_TEST_TWO_SIDE_EXT); - qglActiveStencilFaceEXT(GL_BACK); // quake is backwards, this is front faces - qglStencilMask(~0); - qglStencilOp(GL_KEEP, GL_INCR, GL_KEEP); - qglActiveStencilFaceEXT(GL_FRONT); // quake is backwards, this is back faces - qglStencilMask(~0); - qglStencilOp(GL_KEEP, GL_DECR, GL_KEEP); + qglPolygonOffset(r_refdef.shadowpolygonfactor, r_refdef.shadowpolygonoffset);CHECKGLERROR + qglDepthFunc(GL_LESS);CHECKGLERROR + qglEnable(GL_STENCIL_TEST);CHECKGLERROR + r_shadow_rendermode = r_shadow_shadowingrendermode; + if (r_shadow_rendermode == R_SHADOW_RENDERMODE_SEPARATESTENCIL) + { + GL_CullFace(GL_NONE); + qglStencilOpSeparate(GL_BACK, GL_KEEP, GL_INCR, GL_KEEP);CHECKGLERROR // quake is backwards, this is front faces + qglStencilOpSeparate(GL_FRONT, GL_KEEP, GL_DECR, GL_KEEP);CHECKGLERROR // quake is backwards, this is back faces } - else + else if (r_shadow_rendermode == R_SHADOW_RENDERMODE_STENCILTWOSIDE) { - r_shadowstage = R_SHADOWSTAGE_STENCIL; - qglEnable(GL_CULL_FACE); - qglStencilMask(~0); - // this is changed by every shadow render so its value here is unimportant - qglStencilOp(GL_KEEP, GL_KEEP, GL_KEEP); + GL_CullFace(GL_NONE); + qglEnable(GL_STENCIL_TEST_TWO_SIDE_EXT);CHECKGLERROR + qglActiveStencilFaceEXT(GL_BACK);CHECKGLERROR // quake is backwards, this is front faces + qglStencilMask(~0);CHECKGLERROR + qglStencilOp(GL_KEEP, GL_INCR, GL_KEEP);CHECKGLERROR + qglActiveStencilFaceEXT(GL_FRONT);CHECKGLERROR // quake is backwards, this is back faces + qglStencilMask(~0);CHECKGLERROR + qglStencilOp(GL_KEEP, GL_DECR, GL_KEEP);CHECKGLERROR } - GL_Clear(GL_STENCIL_BUFFER_BIT); - renderstats.lights_clears++; + if (clearstencil) + GL_Clear(GL_STENCIL_BUFFER_BIT); + r_refdef.stats.lights_clears++; } -void R_Shadow_Stage_Lighting(int stenciltest) +void R_Shadow_RenderMode_Lighting(qboolean stenciltest, qboolean transparent) { - rmeshstate_t m; - R_Shadow_Stage_Reset(); - GL_BlendFunc(GL_ONE, GL_ONE); - GL_DepthMask(false); - GL_DepthTest(true); - qglPolygonOffset(0, 0); - //qglDisable(GL_POLYGON_OFFSET_FILL); - GL_Color(1, 1, 1, 1); - GL_ColorMask(r_refdef.colormask[0], r_refdef.colormask[1], r_refdef.colormask[2], 1); - qglDepthFunc(GL_EQUAL); - qglCullFace(GL_FRONT); // quake is backwards, this culls back faces - qglEnable(GL_CULL_FACE); - if (r_shadowstage == R_SHADOWSTAGE_STENCIL || r_shadowstage == R_SHADOWSTAGE_STENCILTWOSIDE) - qglEnable(GL_STENCIL_TEST); - else - qglDisable(GL_STENCIL_TEST); - qglStencilMask(~0); - qglStencilOp(GL_KEEP, GL_KEEP, GL_KEEP); - // only draw light where this geometry was already rendered AND the - // stencil is 128 (values other than this mean shadow) - qglStencilFunc(GL_EQUAL, 128, ~0); - if (r_shadow_glsl.integer && r_shadow_program_light[0]) - { - r_shadowstage = R_SHADOWSTAGE_LIGHT_GLSL; - memset(&m, 0, sizeof(m)); - m.pointer_vertex = varray_vertex3f; - m.pointer_texcoord[0] = varray_texcoord2f[0]; - m.pointer_texcoord3f[1] = varray_svector3f; - m.pointer_texcoord3f[2] = varray_tvector3f; - m.pointer_texcoord3f[3] = varray_normal3f; - m.tex[0] = R_GetTexture(r_texture_blanknormalmap); // normal - m.tex[1] = R_GetTexture(r_texture_white); // diffuse - m.tex[2] = R_GetTexture(r_texture_white); // gloss - m.texcubemap[3] = R_GetTexture(r_shadow_lightcubemap); // light filter - m.tex[4] = R_GetTexture(r_texture_fogattenuation); // fog - //m.texmatrix[3] = r_shadow_entitytolight; // light filter matrix - R_Mesh_State(&m); - GL_BlendFunc(GL_ONE, GL_ONE); - GL_ColorMask(r_refdef.colormask[0], r_refdef.colormask[1], r_refdef.colormask[2], 0); + CHECKGLERROR + R_Shadow_RenderMode_Reset(); + GL_BlendFunc(GL_SRC_ALPHA, GL_ONE); + if (!transparent) + { + qglDepthFunc(GL_EQUAL);CHECKGLERROR + } + if (stenciltest) + { + qglEnable(GL_STENCIL_TEST);CHECKGLERROR + // only draw light where this geometry was already rendered AND the + // stencil is 128 (values other than this mean shadow) + qglStencilFunc(GL_EQUAL, 128, ~0);CHECKGLERROR + } + r_shadow_rendermode = r_shadow_lightingrendermode; + // do global setup needed for the chosen lighting mode + if (r_shadow_rendermode == R_SHADOW_RENDERMODE_LIGHT_GLSL) + { + R_Mesh_TexBind(0, R_GetTexture(r_texture_blanknormalmap)); // normal + R_Mesh_TexBind(1, R_GetTexture(r_texture_white)); // diffuse + R_Mesh_TexBind(2, R_GetTexture(r_texture_white)); // gloss + R_Mesh_TexBindCubeMap(3, R_GetTexture(r_shadow_rtlight->currentcubemap)); // light filter + R_Mesh_TexBind(4, R_GetTexture(r_texture_fogattenuation)); // fog + R_Mesh_TexBind(5, R_GetTexture(r_texture_white)); // pants + R_Mesh_TexBind(6, R_GetTexture(r_texture_white)); // shirt + R_Mesh_TexBind(7, R_GetTexture(r_texture_white)); // lightmap + R_Mesh_TexBind(8, R_GetTexture(r_texture_blanknormalmap)); // deluxemap + R_Mesh_TexBind(9, R_GetTexture(r_texture_black)); // glow + //R_Mesh_TexMatrix(3, r_shadow_entitytolight); // light filter matrix + GL_BlendFunc(GL_SRC_ALPHA, GL_ONE); + GL_ColorMask(r_view.colormask[0], r_view.colormask[1], r_view.colormask[2], 0); CHECKGLERROR - r_shadow_lightpermutation = 0; - // only add a feature to the permutation if that permutation exists - // (otherwise it might end up not using a shader at all, which looks - // worse than using less features) - if (fogenabled && r_shadow_program_light[r_shadow_lightpermutation | SHADERPERMUTATION_FOG]) - r_shadow_lightpermutation |= SHADERPERMUTATION_FOG; - if (r_shadow_rtlight->specularscale && r_shadow_gloss.integer >= 1 && r_shadow_program_light[r_shadow_lightpermutation | SHADERPERMUTATION_SPECULAR]) - r_shadow_lightpermutation |= SHADERPERMUTATION_SPECULAR; - if (r_shadow_lightcubemap != r_texture_whitecube && r_shadow_program_light[r_shadow_lightpermutation | SHADERPERMUTATION_CUBEFILTER]) - r_shadow_lightpermutation |= SHADERPERMUTATION_CUBEFILTER; - if (r_shadow_glsl_offsetmapping.integer && r_shadow_program_light[r_shadow_lightpermutation | SHADERPERMUTATION_OFFSETMAPPING]) - r_shadow_lightpermutation |= SHADERPERMUTATION_OFFSETMAPPING; - if (r_shadow_glsl_surfacenormalize.integer && r_shadow_program_light[r_shadow_lightpermutation | SHADERPERMUTATION_SURFACENORMALIZE]) - r_shadow_lightpermutation |= SHADERPERMUTATION_SURFACENORMALIZE; - if (r_shadow_glsl_usehalffloat.integer && r_shadow_program_light[r_shadow_lightpermutation | SHADERPERMUTATION_GEFORCEFX]) - r_shadow_lightpermutation |= SHADERPERMUTATION_GEFORCEFX; - r_shadow_lightprog = r_shadow_program_light[r_shadow_lightpermutation]; - qglUseProgramObjectARB(r_shadow_lightprog);CHECKGLERROR - // TODO: support fog (after renderer is converted to texture fog) - if (r_shadow_lightpermutation & SHADERPERMUTATION_FOG) - { - qglUniform1fARB(qglGetUniformLocationARB(r_shadow_lightprog, "FogRangeRecip"), fograngerecip);CHECKGLERROR - } - qglUniform1fARB(qglGetUniformLocationARB(r_shadow_lightprog, "AmbientScale"), r_shadow_rtlight->ambientscale);CHECKGLERROR - qglUniform1fARB(qglGetUniformLocationARB(r_shadow_lightprog, "DiffuseScale"), r_shadow_rtlight->diffusescale);CHECKGLERROR - if (r_shadow_lightpermutation & SHADERPERMUTATION_SPECULAR) - { - qglUniform1fARB(qglGetUniformLocationARB(r_shadow_lightprog, "SpecularPower"), 8);CHECKGLERROR - qglUniform1fARB(qglGetUniformLocationARB(r_shadow_lightprog, "SpecularScale"), r_shadow_rtlight->specularscale);CHECKGLERROR - } - //qglUniform3fARB(qglGetUniformLocationARB(r_shadow_lightprog, "LightColor"), lightcolorbase[0], lightcolorbase[1], lightcolorbase[2]);CHECKGLERROR - //qglUniform3fARB(qglGetUniformLocationARB(r_shadow_lightprog, "LightPosition"), relativelightorigin[0], relativelightorigin[1], relativelightorigin[2]);CHECKGLERROR - //if (r_shadow_lightpermutation & (SHADERPERMUTATION_SPECULAR | SHADERPERMUTATION_FOG | SHADERPERMUTATION_OFFSETMAPPING)) - //{ - // qglUniform3fARB(qglGetUniformLocationARB(r_shadow_lightprog, "EyePosition"), relativeeyeorigin[0], relativeeyeorigin[1], relativeeyeorigin[2]);CHECKGLERROR - //} - if (r_shadow_lightpermutation & SHADERPERMUTATION_OFFSETMAPPING) - { - qglUniform1fARB(qglGetUniformLocationARB(r_shadow_lightprog, "OffsetMapping_Scale"), r_shadow_glsl_offsetmapping_scale.value);CHECKGLERROR - qglUniform1fARB(qglGetUniformLocationARB(r_shadow_lightprog, "OffsetMapping_Bias"), r_shadow_glsl_offsetmapping_bias.value);CHECKGLERROR - } } - else if (gl_dot3arb && gl_texturecubemap && r_textureunits.integer >= 2 && gl_combine.integer && gl_stencil) - r_shadowstage = R_SHADOWSTAGE_LIGHT_DOT3; - else - r_shadowstage = R_SHADOWSTAGE_LIGHT_VERTEX; } -void R_Shadow_Stage_VisibleShadowVolumes(void) +void R_Shadow_RenderMode_VisibleShadowVolumes(void) { - R_Shadow_Stage_Reset(); + CHECKGLERROR + R_Shadow_RenderMode_Reset(); GL_BlendFunc(GL_ONE, GL_ONE); - GL_DepthMask(false); - GL_DepthTest(r_shadow_visiblevolumes.integer < 2); - qglPolygonOffset(0, 0); - GL_Color(0.0, 0.0125, 0.1, 1); - GL_ColorMask(r_refdef.colormask[0], r_refdef.colormask[1], r_refdef.colormask[2], 1); - qglDepthFunc(GL_GEQUAL); - qglCullFace(GL_FRONT); // this culls back - qglDisable(GL_CULL_FACE); - qglDisable(GL_STENCIL_TEST); - r_shadowstage = R_SHADOWSTAGE_VISIBLEVOLUMES; + GL_DepthRange(0, 1); + GL_DepthTest(r_showshadowvolumes.integer < 2); + GL_Color(0.0, 0.0125 * r_view.colorscale, 0.1 * r_view.colorscale, 1); + qglPolygonOffset(r_refdef.shadowpolygonfactor, r_refdef.shadowpolygonoffset);CHECKGLERROR + GL_CullFace(GL_NONE); + r_shadow_rendermode = R_SHADOW_RENDERMODE_VISIBLEVOLUMES; } -void R_Shadow_Stage_VisibleLighting(int stenciltest) +void R_Shadow_RenderMode_VisibleLighting(qboolean stenciltest, qboolean transparent) { - R_Shadow_Stage_Reset(); + CHECKGLERROR + R_Shadow_RenderMode_Reset(); GL_BlendFunc(GL_ONE, GL_ONE); - GL_DepthMask(false); - GL_DepthTest(r_shadow_visiblelighting.integer < 2); - qglPolygonOffset(0, 0); - GL_Color(0.1, 0.0125, 0, 1); - GL_ColorMask(r_refdef.colormask[0], r_refdef.colormask[1], r_refdef.colormask[2], 1); - qglDepthFunc(GL_EQUAL); - qglCullFace(GL_FRONT); // this culls back - qglEnable(GL_CULL_FACE); + GL_DepthRange(0, 1); + GL_DepthTest(r_showlighting.integer < 2); + GL_Color(0.1 * r_view.colorscale, 0.0125 * r_view.colorscale, 0, 1); + if (!transparent) + { + qglDepthFunc(GL_EQUAL);CHECKGLERROR + } if (stenciltest) - qglEnable(GL_STENCIL_TEST); - else - qglDisable(GL_STENCIL_TEST); - r_shadowstage = R_SHADOWSTAGE_VISIBLELIGHTING; + { + qglEnable(GL_STENCIL_TEST);CHECKGLERROR + qglStencilFunc(GL_EQUAL, 128, ~0);CHECKGLERROR + } + r_shadow_rendermode = R_SHADOW_RENDERMODE_VISIBLELIGHTING; } -void R_Shadow_Stage_End(void) +void R_Shadow_RenderMode_End(void) { - R_Shadow_Stage_Reset(); - R_Shadow_Stage_ActiveLight(NULL); - GL_BlendFunc(GL_ONE, GL_ZERO); + CHECKGLERROR + R_Shadow_RenderMode_Reset(); + R_Shadow_RenderMode_ActiveLight(NULL); GL_DepthMask(true); - GL_DepthTest(true); - qglPolygonOffset(0, 0); - //qglDisable(GL_POLYGON_OFFSET_FILL); - GL_Color(1, 1, 1, 1); - GL_ColorMask(r_refdef.colormask[0], r_refdef.colormask[1], r_refdef.colormask[2], 1); - GL_Scissor(r_view_x, r_view_y, r_view_width, r_view_height); - qglDepthFunc(GL_LEQUAL); - qglCullFace(GL_FRONT); // quake is backwards, this culls back faces - qglDisable(GL_STENCIL_TEST); - qglStencilOp(GL_KEEP, GL_KEEP, GL_KEEP); - if (gl_support_stenciltwoside) - qglDisable(GL_STENCIL_TEST_TWO_SIDE_EXT); - qglStencilMask(~0); - qglStencilFunc(GL_ALWAYS, 128, ~0); - r_shadowstage = R_SHADOWSTAGE_NONE; + GL_Scissor(r_view.x, r_view.y, r_view.width, r_view.height); + r_shadow_rendermode = R_SHADOW_RENDERMODE_NONE; } qboolean R_Shadow_ScissorForBBox(const float *mins, const float *maxs) @@ -1345,18 +1180,18 @@ qboolean R_Shadow_ScissorForBBox(const float *mins, const float *maxs) float vertex3f[256*3]; // if view is inside the light box, just say yes it's visible - if (BoxesOverlap(r_vieworigin, r_vieworigin, mins, maxs)) + if (BoxesOverlap(r_view.origin, r_view.origin, mins, maxs)) { - GL_Scissor(r_view_x, r_view_y, r_view_width, r_view_height); + GL_Scissor(r_view.x, r_view.y, r_view.width, r_view.height); return false; } // create a temporary brush describing the area the light can affect in worldspace - VectorNegate(frustum[0].normal, planes[ 0].normal);planes[ 0].dist = -frustum[0].dist; - VectorNegate(frustum[1].normal, planes[ 1].normal);planes[ 1].dist = -frustum[1].dist; - VectorNegate(frustum[2].normal, planes[ 2].normal);planes[ 2].dist = -frustum[2].dist; - VectorNegate(frustum[3].normal, planes[ 3].normal);planes[ 3].dist = -frustum[3].dist; - VectorNegate(frustum[4].normal, planes[ 4].normal);planes[ 4].dist = -frustum[4].dist; + VectorNegate(r_view.frustum[0].normal, planes[ 0].normal);planes[ 0].dist = -r_view.frustum[0].dist; + VectorNegate(r_view.frustum[1].normal, planes[ 1].normal);planes[ 1].dist = -r_view.frustum[1].dist; + VectorNegate(r_view.frustum[2].normal, planes[ 2].normal);planes[ 2].dist = -r_view.frustum[2].dist; + VectorNegate(r_view.frustum[3].normal, planes[ 3].normal);planes[ 3].dist = -r_view.frustum[3].dist; + VectorNegate(r_view.frustum[4].normal, planes[ 4].normal);planes[ 4].dist = -r_view.frustum[4].dist; VectorSet (planes[ 5].normal, 1, 0, 0); planes[ 5].dist = maxs[0]; VectorSet (planes[ 6].normal, -1, 0, 0); planes[ 6].dist = -mins[0]; VectorSet (planes[ 7].normal, 0, 1, 0); planes[ 7].dist = maxs[1]; @@ -1381,6 +1216,7 @@ qboolean R_Shadow_ScissorForBBox(const float *mins, const float *maxs) // if that mesh is not empty, check what area of the screen it covers x1 = y1 = x2 = y2 = 0; v[3] = 1.0f; + //Con_Printf("%i vertices to transform...\n", mesh.numvertices); for (i = 0;i < mesh.numvertices;i++) { VectorCopy(mesh.vertex3f + i * 3, v); @@ -1401,174 +1237,210 @@ qboolean R_Shadow_ScissorForBBox(const float *mins, const float *maxs) } // now convert the scissor rectangle to integer screen coordinates - ix1 = x1 - 1.0f; - iy1 = y1 - 1.0f; - ix2 = x2 + 1.0f; - iy2 = y2 + 1.0f; + ix1 = (int)(x1 - 1.0f); + iy1 = (int)(y1 - 1.0f); + ix2 = (int)(x2 + 1.0f); + iy2 = (int)(y2 + 1.0f); //Con_Printf("%f %f %f %f\n", x1, y1, x2, y2); // clamp it to the screen - if (ix1 < r_view_x) ix1 = r_view_x; - if (iy1 < r_view_y) iy1 = r_view_y; - if (ix2 > r_view_x + r_view_width) ix2 = r_view_x + r_view_width; - if (iy2 > r_view_y + r_view_height) iy2 = r_view_y + r_view_height; + if (ix1 < r_view.x) ix1 = r_view.x; + if (iy1 < r_view.y) iy1 = r_view.y; + if (ix2 > r_view.x + r_view.width) ix2 = r_view.x + r_view.width; + if (iy2 > r_view.y + r_view.height) iy2 = r_view.y + r_view.height; // if it is inside out, it's not visible if (ix2 <= ix1 || iy2 <= iy1) return true; // the light area is visible, set up the scissor rectangle - GL_Scissor(ix1, vid.height - iy2, ix2 - ix1, iy2 - iy1); - //qglScissor(ix1, iy1, ix2 - ix1, iy2 - iy1); - //qglEnable(GL_SCISSOR_TEST); - renderstats.lights_scissored++; + GL_Scissor(ix1, iy1, ix2 - ix1, iy2 - iy1); + //qglScissor(ix1, iy1, ix2 - ix1, iy2 - iy1);CHECKGLERROR + //qglEnable(GL_SCISSOR_TEST);CHECKGLERROR + r_refdef.stats.lights_scissored++; return false; } -extern float *rsurface_vertex3f; -extern float *rsurface_svector3f; -extern float *rsurface_tvector3f; -extern float *rsurface_normal3f; -extern void RSurf_SetVertexPointer(const entity_render_t *ent, const texture_t *texture, const msurface_t *surface, const vec3_t modelorg); - -static void R_Shadow_RenderSurfacesLighting_Light_Vertex_Shading(const msurface_t *surface, const float *diffusecolor, const float *ambientcolor, float reduce, const vec3_t modelorg) +static void R_Shadow_RenderLighting_Light_Vertex_Shading(int firstvertex, int numverts, int numtriangles, const int *element3i, const float *diffusecolor, const float *ambientcolor) { - int numverts = surface->num_vertices; - float *vertex3f = rsurface_vertex3f + 3 * surface->num_firstvertex; - float *normal3f = rsurface_normal3f + 3 * surface->num_firstvertex; - float *color4f = varray_color4f + 4 * surface->num_firstvertex; + float *vertex3f = rsurface_vertex3f + 3 * firstvertex; + float *normal3f = rsurface_normal3f + 3 * firstvertex; + float *color4f = rsurface_array_color4f + 4 * firstvertex; float dist, dot, distintensity, shadeintensity, v[3], n[3]; if (r_textureunits.integer >= 3) { - for (;numverts > 0;numverts--, vertex3f += 3, normal3f += 3, color4f += 4) + if (VectorLength2(diffusecolor) > 0) + { + for (;numverts > 0;numverts--, vertex3f += 3, normal3f += 3, color4f += 4) + { + Matrix4x4_Transform(&r_shadow_entitytolight, vertex3f, v); + Matrix4x4_Transform3x3(&r_shadow_entitytolight, normal3f, n); + if ((dot = DotProduct(n, v)) < 0) + { + shadeintensity = -dot / sqrt(VectorLength2(v) * VectorLength2(n)); + VectorMA(ambientcolor, shadeintensity, diffusecolor, color4f); + } + else + VectorCopy(ambientcolor, color4f); + if (r_refdef.fogenabled) + { + float f; + f = FogPoint_Model(vertex3f); + VectorScale(color4f, f, color4f); + } + color4f[3] = 1; + } + } + else { - Matrix4x4_Transform(&r_shadow_entitytolight, vertex3f, v); - Matrix4x4_Transform3x3(&r_shadow_entitytolight, normal3f, n); - if ((dot = DotProduct(n, v)) < 0) + for (;numverts > 0;numverts--, vertex3f += 3, color4f += 4) { - shadeintensity = -dot / sqrt(VectorLength2(v) * VectorLength2(n)); - color4f[0] = (ambientcolor[0] + shadeintensity * diffusecolor[0]) - reduce; - color4f[1] = (ambientcolor[1] + shadeintensity * diffusecolor[1]) - reduce; - color4f[2] = (ambientcolor[2] + shadeintensity * diffusecolor[2]) - reduce; - if (fogenabled) + VectorCopy(ambientcolor, color4f); + if (r_refdef.fogenabled) { - float f = VERTEXFOGTABLE(VectorDistance(v, modelorg)); + float f; + Matrix4x4_Transform(&r_shadow_entitytolight, vertex3f, v); + f = FogPoint_Model(vertex3f); VectorScale(color4f, f, color4f); } + color4f[3] = 1; } - else - VectorClear(color4f); - color4f[3] = 1; } } else if (r_textureunits.integer >= 2) { - for (;numverts > 0;numverts--, vertex3f += 3, normal3f += 3, color4f += 4) + if (VectorLength2(diffusecolor) > 0) { - Matrix4x4_Transform(&r_shadow_entitytolight, vertex3f, v); - if ((dist = fabs(v[2])) < 1) + for (;numverts > 0;numverts--, vertex3f += 3, normal3f += 3, color4f += 4) { - distintensity = pow(1 - dist, r_shadow_attenpower) * r_shadow_attenscale; - Matrix4x4_Transform3x3(&r_shadow_entitytolight, normal3f, n); - if ((dot = DotProduct(n, v)) < 0) + Matrix4x4_Transform(&r_shadow_entitytolight, vertex3f, v); + if ((dist = fabs(v[2])) < 1 && (distintensity = r_shadow_attentable[(int)(dist * ATTENTABLESIZE)])) { - shadeintensity = -dot / sqrt(VectorLength2(v) * VectorLength2(n)); - color4f[0] = (ambientcolor[0] + shadeintensity * diffusecolor[0]) * distintensity - reduce; - color4f[1] = (ambientcolor[1] + shadeintensity * diffusecolor[1]) * distintensity - reduce; - color4f[2] = (ambientcolor[2] + shadeintensity * diffusecolor[2]) * distintensity - reduce; + Matrix4x4_Transform3x3(&r_shadow_entitytolight, normal3f, n); + if ((dot = DotProduct(n, v)) < 0) + { + shadeintensity = -dot / sqrt(VectorLength2(v) * VectorLength2(n)); + color4f[0] = (ambientcolor[0] + shadeintensity * diffusecolor[0]) * distintensity; + color4f[1] = (ambientcolor[1] + shadeintensity * diffusecolor[1]) * distintensity; + color4f[2] = (ambientcolor[2] + shadeintensity * diffusecolor[2]) * distintensity; + } + else + { + color4f[0] = ambientcolor[0] * distintensity; + color4f[1] = ambientcolor[1] * distintensity; + color4f[2] = ambientcolor[2] * distintensity; + } + if (r_refdef.fogenabled) + { + float f; + f = FogPoint_Model(vertex3f); + VectorScale(color4f, f, color4f); + } } else + VectorClear(color4f); + color4f[3] = 1; + } + } + else + { + for (;numverts > 0;numverts--, vertex3f += 3, color4f += 4) + { + Matrix4x4_Transform(&r_shadow_entitytolight, vertex3f, v); + if ((dist = fabs(v[2])) < 1 && (distintensity = r_shadow_attentable[(int)(dist * ATTENTABLESIZE)])) { - color4f[0] = ambientcolor[0] * distintensity - reduce; - color4f[1] = ambientcolor[1] * distintensity - reduce; - color4f[2] = ambientcolor[2] * distintensity - reduce; - } - if (fogenabled) - { - float f = VERTEXFOGTABLE(VectorDistance(v, modelorg)); - VectorScale(color4f, f, color4f); + color4f[0] = ambientcolor[0] * distintensity; + color4f[1] = ambientcolor[1] * distintensity; + color4f[2] = ambientcolor[2] * distintensity; + if (r_refdef.fogenabled) + { + float f; + f = FogPoint_Model(vertex3f); + VectorScale(color4f, f, color4f); + } } + else + VectorClear(color4f); + color4f[3] = 1; } - else - VectorClear(color4f); - color4f[3] = 1; } } else { - for (;numverts > 0;numverts--, vertex3f += 3, normal3f += 3, color4f += 4) + if (VectorLength2(diffusecolor) > 0) { - Matrix4x4_Transform(&r_shadow_entitytolight, vertex3f, v); - if ((dist = DotProduct(v, v)) < 1) + for (;numverts > 0;numverts--, vertex3f += 3, normal3f += 3, color4f += 4) { - dist = sqrt(dist); - distintensity = pow(1 - dist, r_shadow_attenpower) * r_shadow_attenscale; - Matrix4x4_Transform3x3(&r_shadow_entitytolight, normal3f, n); - if ((dot = DotProduct(n, v)) < 0) + Matrix4x4_Transform(&r_shadow_entitytolight, vertex3f, v); + if ((dist = VectorLength(v)) < 1 && (distintensity = r_shadow_attentable[(int)(dist * ATTENTABLESIZE)])) { - shadeintensity = -dot / sqrt(VectorLength2(v) * VectorLength2(n)); - color4f[0] = (ambientcolor[0] + shadeintensity * diffusecolor[0]) * distintensity - reduce; - color4f[1] = (ambientcolor[1] + shadeintensity * diffusecolor[1]) * distintensity - reduce; - color4f[2] = (ambientcolor[2] + shadeintensity * diffusecolor[2]) * distintensity - reduce; + distintensity = (1 - dist) * r_shadow_lightattenuationlinearscale.value / (r_shadow_lightattenuationdividebias.value + dist*dist); + Matrix4x4_Transform3x3(&r_shadow_entitytolight, normal3f, n); + if ((dot = DotProduct(n, v)) < 0) + { + shadeintensity = -dot / sqrt(VectorLength2(v) * VectorLength2(n)); + color4f[0] = (ambientcolor[0] + shadeintensity * diffusecolor[0]) * distintensity; + color4f[1] = (ambientcolor[1] + shadeintensity * diffusecolor[1]) * distintensity; + color4f[2] = (ambientcolor[2] + shadeintensity * diffusecolor[2]) * distintensity; + } + else + { + color4f[0] = ambientcolor[0] * distintensity; + color4f[1] = ambientcolor[1] * distintensity; + color4f[2] = ambientcolor[2] * distintensity; + } + if (r_refdef.fogenabled) + { + float f; + f = FogPoint_Model(vertex3f); + VectorScale(color4f, f, color4f); + } } else + VectorClear(color4f); + color4f[3] = 1; + } + } + else + { + for (;numverts > 0;numverts--, vertex3f += 3, color4f += 4) + { + Matrix4x4_Transform(&r_shadow_entitytolight, vertex3f, v); + if ((dist = VectorLength(v)) < 1 && (distintensity = r_shadow_attentable[(int)(dist * ATTENTABLESIZE)])) { - color4f[0] = ambientcolor[0] * distintensity - reduce; - color4f[1] = ambientcolor[1] * distintensity - reduce; - color4f[2] = ambientcolor[2] * distintensity - reduce; - } - if (fogenabled) - { - float f = VERTEXFOGTABLE(VectorDistance(v, modelorg)); - VectorScale(color4f, f, color4f); + distintensity = (1 - dist) * r_shadow_lightattenuationlinearscale.value / (r_shadow_lightattenuationdividebias.value + dist*dist); + color4f[0] = ambientcolor[0] * distintensity; + color4f[1] = ambientcolor[1] * distintensity; + color4f[2] = ambientcolor[2] * distintensity; + if (r_refdef.fogenabled) + { + float f; + f = FogPoint_Model(vertex3f); + VectorScale(color4f, f, color4f); + } } + else + VectorClear(color4f); + color4f[3] = 1; } - else - VectorClear(color4f); - color4f[3] = 1; } } } // TODO: use glTexGen instead of feeding vertices to texcoordpointer? -#define USETEXMATRIX - -#ifndef USETEXMATRIX -// this should be done in a texture matrix or vertex program when possible, but here's code to do it manually -// if hardware texcoord manipulation is not available (or not suitable, this would really benefit from 3DNow! or SSE -static void R_Shadow_Transform_Vertex3f_TexCoord3f(float *tc3f, int numverts, const float *vertex3f, const matrix4x4_t *matrix) -{ - do - { - tc3f[0] = vertex3f[0] * matrix->m[0][0] + vertex3f[1] * matrix->m[0][1] + vertex3f[2] * matrix->m[0][2] + matrix->m[0][3]; - tc3f[1] = vertex3f[0] * matrix->m[1][0] + vertex3f[1] * matrix->m[1][1] + vertex3f[2] * matrix->m[1][2] + matrix->m[1][3]; - tc3f[2] = vertex3f[0] * matrix->m[2][0] + vertex3f[1] * matrix->m[2][1] + vertex3f[2] * matrix->m[2][2] + matrix->m[2][3]; - vertex3f += 3; - tc3f += 3; - } - while (--numverts); -} - -static void R_Shadow_Transform_Vertex3f_TexCoord2f(float *tc2f, int numverts, const float *vertex3f, const matrix4x4_t *matrix) -{ - do - { - tc2f[0] = vertex3f[0] * matrix->m[0][0] + vertex3f[1] * matrix->m[0][1] + vertex3f[2] * matrix->m[0][2] + matrix->m[0][3]; - tc2f[1] = vertex3f[0] * matrix->m[1][0] + vertex3f[1] * matrix->m[1][1] + vertex3f[2] * matrix->m[1][2] + matrix->m[1][3]; - vertex3f += 3; - tc2f += 2; - } - while (--numverts); -} -#endif -static void R_Shadow_GenTexCoords_Diffuse_NormalCubeMap(float *out3f, int numverts, const float *vertex3f, const float *svector3f, const float *tvector3f, const float *normal3f, const vec3_t relativelightorigin) +static void R_Shadow_GenTexCoords_Diffuse_NormalCubeMap(int firstvertex, int numvertices, int numtriangles, const int *element3i) { int i; + float *out3f = rsurface_array_texcoord3f + 3 * firstvertex; + const float *vertex3f = rsurface_vertex3f + 3 * firstvertex; + const float *svector3f = rsurface_svector3f + 3 * firstvertex; + const float *tvector3f = rsurface_tvector3f + 3 * firstvertex; + const float *normal3f = rsurface_normal3f + 3 * firstvertex; float lightdir[3]; - for (i = 0;i < numverts;i++, vertex3f += 3, svector3f += 3, tvector3f += 3, normal3f += 3, out3f += 3) + for (i = 0;i < numvertices;i++, vertex3f += 3, svector3f += 3, tvector3f += 3, normal3f += 3, out3f += 3) { - VectorSubtract(relativelightorigin, vertex3f, lightdir); + VectorSubtract(r_shadow_entitylightorigin, vertex3f, lightdir); // the cubemap normalizes this for us out3f[0] = DotProduct(svector3f, lightdir); out3f[1] = DotProduct(tvector3f, lightdir); @@ -1576,15 +1448,20 @@ static void R_Shadow_GenTexCoords_Diffuse_NormalCubeMap(float *out3f, int numver } } -static void R_Shadow_GenTexCoords_Specular_NormalCubeMap(float *out3f, int numverts, const float *vertex3f, const float *svector3f, const float *tvector3f, const float *normal3f, const vec3_t relativelightorigin, const vec3_t relativeeyeorigin) +static void R_Shadow_GenTexCoords_Specular_NormalCubeMap(int firstvertex, int numvertices, int numtriangles, const int *element3i) { int i; + float *out3f = rsurface_array_texcoord3f + 3 * firstvertex; + const float *vertex3f = rsurface_vertex3f + 3 * firstvertex; + const float *svector3f = rsurface_svector3f + 3 * firstvertex; + const float *tvector3f = rsurface_tvector3f + 3 * firstvertex; + const float *normal3f = rsurface_normal3f + 3 * firstvertex; float lightdir[3], eyedir[3], halfdir[3]; - for (i = 0;i < numverts;i++, vertex3f += 3, svector3f += 3, tvector3f += 3, normal3f += 3, out3f += 3) + for (i = 0;i < numvertices;i++, vertex3f += 3, svector3f += 3, tvector3f += 3, normal3f += 3, out3f += 3) { - VectorSubtract(relativelightorigin, vertex3f, lightdir); + VectorSubtract(r_shadow_entitylightorigin, vertex3f, lightdir); VectorNormalize(lightdir); - VectorSubtract(relativeeyeorigin, vertex3f, eyedir); + VectorSubtract(rsurface_modelorg, vertex3f, eyedir); VectorNormalize(eyedir); VectorAdd(lightdir, eyedir, halfdir); // the cubemap normalizes this for us @@ -1594,960 +1471,893 @@ static void R_Shadow_GenTexCoords_Specular_NormalCubeMap(float *out3f, int numve } } -static void R_Shadow_RenderSurfacesLighting_VisibleLighting(const entity_render_t *ent, const texture_t *texture, int numsurfaces, msurface_t **surfacelist, const vec3_t lightcolorbase, const vec3_t lightcolorpants, const vec3_t lightcolorshirt, rtexture_t *basetexture, rtexture_t *pantstexture, rtexture_t *shirttexture, rtexture_t *normalmaptexture, rtexture_t *glosstexture, float specularscale, const vec3_t modelorg) +static void R_Shadow_RenderLighting_VisibleLighting(int firstvertex, int numvertices, int numtriangles, const int *element3i, int element3i_bufferobject, size_t element3i_bufferoffset, const vec3_t lightcolorbase, const vec3_t lightcolorpants, const vec3_t lightcolorshirt, rtexture_t *basetexture, rtexture_t *pantstexture, rtexture_t *shirttexture, rtexture_t *normalmaptexture, rtexture_t *glosstexture, float ambientscale, float diffusescale, float specularscale, qboolean dopants, qboolean doshirt) { // used to display how many times a surface is lit for level design purposes - int surfacelistindex; + GL_Color(0.1 * r_view.colorscale, 0.025 * r_view.colorscale, 0, 1); + R_Mesh_ColorPointer(NULL, 0, 0); + R_Mesh_ResetTextureState(); + R_Mesh_Draw(firstvertex, numvertices, numtriangles, element3i, element3i_bufferobject, element3i_bufferoffset); +} + +static void R_Shadow_RenderLighting_Light_GLSL(int firstvertex, int numvertices, int numtriangles, const int *element3i, int element3i_bufferobject, size_t element3i_bufferoffset, const vec3_t lightcolorbase, const vec3_t lightcolorpants, const vec3_t lightcolorshirt, rtexture_t *basetexture, rtexture_t *pantstexture, rtexture_t *shirttexture, rtexture_t *normalmaptexture, rtexture_t *glosstexture, float ambientscale, float diffusescale, float specularscale, qboolean dopants, qboolean doshirt) +{ + // ARB2 GLSL shader path (GFFX5200, Radeon 9500) + R_SetupSurfaceShader(lightcolorbase, false, ambientscale, diffusescale, specularscale); + R_Mesh_TexCoordPointer(0, 2, rsurface_model->surfmesh.data_texcoordtexture2f, rsurface_model->surfmesh.vbo, rsurface_model->surfmesh.vbooffset_texcoordtexture2f); + R_Mesh_TexCoordPointer(1, 3, rsurface_svector3f, rsurface_svector3f_bufferobject, rsurface_svector3f_bufferoffset); + R_Mesh_TexCoordPointer(2, 3, rsurface_tvector3f, rsurface_tvector3f_bufferobject, rsurface_tvector3f_bufferoffset); + R_Mesh_TexCoordPointer(3, 3, rsurface_normal3f, rsurface_normal3f_bufferobject, rsurface_normal3f_bufferoffset); + if (rsurface_texture->currentmaterialflags & MATERIALFLAG_ALPHATEST) + { + qglDepthFunc(GL_EQUAL);CHECKGLERROR + } + R_Mesh_Draw(firstvertex, numvertices, numtriangles, element3i, element3i_bufferobject, element3i_bufferoffset); + if (rsurface_texture->currentmaterialflags & MATERIALFLAG_ALPHATEST) + { + qglDepthFunc(GL_LEQUAL);CHECKGLERROR + } +} + +static void R_Shadow_RenderLighting_Light_Dot3_Finalize(int firstvertex, int numvertices, int numtriangles, const int *element3i, int element3i_bufferobject, size_t element3i_bufferoffset, float r, float g, float b) +{ + // shared final code for all the dot3 layers + int renders; + GL_ColorMask(r_view.colormask[0], r_view.colormask[1], r_view.colormask[2], 0); + for (renders = 0;renders < 64 && (r > 0 || g > 0 || b > 0);renders++, r--, g--, b--) + { + GL_Color(bound(0, r, 1), bound(0, g, 1), bound(0, b, 1), 1); + R_Mesh_Draw(firstvertex, numvertices, numtriangles, element3i, element3i_bufferobject, element3i_bufferoffset); + } +} + +static void R_Shadow_RenderLighting_Light_Dot3_AmbientPass(int firstvertex, int numvertices, int numtriangles, const int *element3i, int element3i_bufferobject, size_t element3i_bufferoffset, const vec3_t lightcolorbase, rtexture_t *basetexture, float colorscale) +{ rmeshstate_t m; - qboolean doambientbase = r_shadow_rtlight->ambientscale * VectorLength2(lightcolorbase) > 0.00001 && basetexture != r_texture_black; - qboolean dodiffusebase = r_shadow_rtlight->diffusescale * VectorLength2(lightcolorbase) > 0.00001 && basetexture != r_texture_black; - qboolean doambientpants = r_shadow_rtlight->ambientscale * VectorLength2(lightcolorpants) > 0.00001 && pantstexture != r_texture_black; - qboolean dodiffusepants = r_shadow_rtlight->diffusescale * VectorLength2(lightcolorpants) > 0.00001 && pantstexture != r_texture_black; - qboolean doambientshirt = r_shadow_rtlight->ambientscale * VectorLength2(lightcolorshirt) > 0.00001 && shirttexture != r_texture_black; - qboolean dodiffuseshirt = r_shadow_rtlight->diffusescale * VectorLength2(lightcolorshirt) > 0.00001 && shirttexture != r_texture_black; - qboolean dospecular = specularscale * VectorLength2(lightcolorbase) > 0.00001 && glosstexture != r_texture_black; - if (!doambientbase && !dodiffusebase && !doambientpants && !dodiffusepants && !doambientshirt && !dodiffuseshirt && !dospecular) - return; - GL_Color(0.1, 0.025, 0, 1); - memset(&m, 0, sizeof(m)); - R_Mesh_State(&m); - for (surfacelistindex = 0;surfacelistindex < numsurfaces;surfacelistindex++) + // colorscale accounts for how much we multiply the brightness + // during combine. + // + // mult is how many times the final pass of the lighting will be + // performed to get more brightness than otherwise possible. + // + // Limit mult to 64 for sanity sake. + GL_Color(1,1,1,1); + if (r_shadow_texture3d.integer && r_shadow_rtlight->currentcubemap != r_texture_whitecube && r_textureunits.integer >= 4) + { + // 3 3D combine path (Geforce3, Radeon 8500) + memset(&m, 0, sizeof(m)); + m.tex3d[0] = R_GetTexture(r_shadow_attenuation3dtexture); + m.pointer_texcoord3f[0] = rsurface_vertex3f; + m.pointer_texcoord_bufferobject[0] = rsurface_vertex3f_bufferobject; + m.pointer_texcoord_bufferoffset[0] = rsurface_vertex3f_bufferoffset; + m.texmatrix[0] = r_shadow_entitytoattenuationxyz; + m.tex[1] = R_GetTexture(basetexture); + m.pointer_texcoord[1] = rsurface_model->surfmesh.data_texcoordtexture2f; + m.pointer_texcoord_bufferobject[1] = rsurface_model->surfmesh.vbo; + m.pointer_texcoord_bufferoffset[1] = rsurface_model->surfmesh.vbooffset_texcoordtexture2f; + m.texmatrix[1] = rsurface_texture->currenttexmatrix; + m.texcubemap[2] = R_GetTexture(r_shadow_rtlight->currentcubemap); + m.pointer_texcoord3f[2] = rsurface_vertex3f; + m.pointer_texcoord_bufferobject[2] = rsurface_vertex3f_bufferobject; + m.pointer_texcoord_bufferoffset[2] = rsurface_vertex3f_bufferoffset; + m.texmatrix[2] = r_shadow_entitytolight; + GL_BlendFunc(GL_ONE, GL_ONE); + } + else if (r_shadow_texture3d.integer && r_shadow_rtlight->currentcubemap == r_texture_whitecube && r_textureunits.integer >= 2) + { + // 2 3D combine path (Geforce3, original Radeon) + memset(&m, 0, sizeof(m)); + m.tex3d[0] = R_GetTexture(r_shadow_attenuation3dtexture); + m.pointer_texcoord3f[0] = rsurface_vertex3f; + m.pointer_texcoord_bufferobject[0] = rsurface_vertex3f_bufferobject; + m.pointer_texcoord_bufferoffset[0] = rsurface_vertex3f_bufferoffset; + m.texmatrix[0] = r_shadow_entitytoattenuationxyz; + m.tex[1] = R_GetTexture(basetexture); + m.pointer_texcoord[1] = rsurface_model->surfmesh.data_texcoordtexture2f; + m.pointer_texcoord_bufferobject[1] = rsurface_model->surfmesh.vbo; + m.pointer_texcoord_bufferoffset[1] = rsurface_model->surfmesh.vbooffset_texcoordtexture2f; + m.texmatrix[1] = rsurface_texture->currenttexmatrix; + GL_BlendFunc(GL_ONE, GL_ONE); + } + else if (r_textureunits.integer >= 4 && r_shadow_rtlight->currentcubemap != r_texture_whitecube) + { + // 4 2D combine path (Geforce3, Radeon 8500) + memset(&m, 0, sizeof(m)); + m.tex[0] = R_GetTexture(r_shadow_attenuation2dtexture); + m.pointer_texcoord3f[0] = rsurface_vertex3f; + m.pointer_texcoord_bufferobject[0] = rsurface_vertex3f_bufferobject; + m.pointer_texcoord_bufferoffset[0] = rsurface_vertex3f_bufferoffset; + m.texmatrix[0] = r_shadow_entitytoattenuationxyz; + m.tex[1] = R_GetTexture(r_shadow_attenuation2dtexture); + m.pointer_texcoord3f[1] = rsurface_vertex3f; + m.pointer_texcoord_bufferobject[1] = rsurface_vertex3f_bufferobject; + m.pointer_texcoord_bufferoffset[1] = rsurface_vertex3f_bufferoffset; + m.texmatrix[1] = r_shadow_entitytoattenuationz; + m.tex[2] = R_GetTexture(basetexture); + m.pointer_texcoord[2] = rsurface_model->surfmesh.data_texcoordtexture2f; + m.pointer_texcoord_bufferobject[2] = rsurface_model->surfmesh.vbo; + m.pointer_texcoord_bufferoffset[2] = rsurface_model->surfmesh.vbooffset_texcoordtexture2f; + m.texmatrix[2] = rsurface_texture->currenttexmatrix; + if (r_shadow_rtlight->currentcubemap != r_texture_whitecube) + { + m.texcubemap[3] = R_GetTexture(r_shadow_rtlight->currentcubemap); + m.pointer_texcoord3f[3] = rsurface_vertex3f; + m.pointer_texcoord_bufferobject[3] = rsurface_vertex3f_bufferobject; + m.pointer_texcoord_bufferoffset[3] = rsurface_vertex3f_bufferoffset; + m.texmatrix[3] = r_shadow_entitytolight; + } + GL_BlendFunc(GL_ONE, GL_ONE); + } + else if (r_textureunits.integer >= 3 && r_shadow_rtlight->currentcubemap == r_texture_whitecube) + { + // 3 2D combine path (Geforce3, original Radeon) + memset(&m, 0, sizeof(m)); + m.tex[0] = R_GetTexture(r_shadow_attenuation2dtexture); + m.pointer_texcoord3f[0] = rsurface_vertex3f; + m.pointer_texcoord_bufferobject[0] = rsurface_vertex3f_bufferobject; + m.pointer_texcoord_bufferoffset[0] = rsurface_vertex3f_bufferoffset; + m.texmatrix[0] = r_shadow_entitytoattenuationxyz; + m.tex[1] = R_GetTexture(r_shadow_attenuation2dtexture); + m.pointer_texcoord3f[1] = rsurface_vertex3f; + m.pointer_texcoord_bufferobject[1] = rsurface_vertex3f_bufferobject; + m.pointer_texcoord_bufferoffset[1] = rsurface_vertex3f_bufferoffset; + m.texmatrix[1] = r_shadow_entitytoattenuationz; + m.tex[2] = R_GetTexture(basetexture); + m.pointer_texcoord[2] = rsurface_model->surfmesh.data_texcoordtexture2f; + m.pointer_texcoord_bufferobject[2] = rsurface_model->surfmesh.vbo; + m.pointer_texcoord_bufferoffset[2] = rsurface_model->surfmesh.vbooffset_texcoordtexture2f; + m.texmatrix[2] = rsurface_texture->currenttexmatrix; + GL_BlendFunc(GL_ONE, GL_ONE); + } + else { - const msurface_t *surface = surfacelist[surfacelistindex]; - RSurf_SetVertexPointer(ent, texture, surface, modelorg); - GL_LockArrays(surface->num_firstvertex, surface->num_vertices); - R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, surface->groupmesh->data_element3i + 3 * surface->num_firsttriangle); - GL_LockArrays(0, 0); + // 2/2/2 2D combine path (any dot3 card) + memset(&m, 0, sizeof(m)); + m.tex[0] = R_GetTexture(r_shadow_attenuation2dtexture); + m.pointer_texcoord3f[0] = rsurface_vertex3f; + m.pointer_texcoord_bufferobject[0] = rsurface_vertex3f_bufferobject; + m.pointer_texcoord_bufferoffset[0] = rsurface_vertex3f_bufferoffset; + m.texmatrix[0] = r_shadow_entitytoattenuationxyz; + m.tex[1] = R_GetTexture(r_shadow_attenuation2dtexture); + m.pointer_texcoord3f[1] = rsurface_vertex3f; + m.pointer_texcoord_bufferobject[1] = rsurface_vertex3f_bufferobject; + m.pointer_texcoord_bufferoffset[1] = rsurface_vertex3f_bufferoffset; + m.texmatrix[1] = r_shadow_entitytoattenuationz; + R_Mesh_TextureState(&m); + GL_ColorMask(0,0,0,1); + GL_BlendFunc(GL_ONE, GL_ZERO); + R_Mesh_Draw(firstvertex, numvertices, numtriangles, element3i, element3i_bufferobject, element3i_bufferoffset); + + // second pass + memset(&m, 0, sizeof(m)); + m.tex[0] = R_GetTexture(basetexture); + m.pointer_texcoord[0] = rsurface_model->surfmesh.data_texcoordtexture2f; + m.pointer_texcoord_bufferobject[0] = rsurface_model->surfmesh.vbo; + m.pointer_texcoord_bufferoffset[0] = rsurface_model->surfmesh.vbooffset_texcoordtexture2f; + m.texmatrix[0] = rsurface_texture->currenttexmatrix; + if (r_shadow_rtlight->currentcubemap != r_texture_whitecube) + { + m.texcubemap[1] = R_GetTexture(r_shadow_rtlight->currentcubemap); + m.pointer_texcoord3f[1] = rsurface_vertex3f; + m.pointer_texcoord_bufferobject[1] = rsurface_vertex3f_bufferobject; + m.pointer_texcoord_bufferoffset[1] = rsurface_vertex3f_bufferoffset; + m.texmatrix[1] = r_shadow_entitytolight; + } + GL_BlendFunc(GL_DST_ALPHA, GL_ONE); } + // this final code is shared + R_Mesh_TextureState(&m); + R_Shadow_RenderLighting_Light_Dot3_Finalize(firstvertex, numvertices, numtriangles, element3i, element3i_bufferobject, element3i_bufferoffset, lightcolorbase[0] * colorscale, lightcolorbase[1] * colorscale, lightcolorbase[2] * colorscale); } -static void R_Shadow_RenderSurfacesLighting_Light_GLSL(const entity_render_t *ent, const texture_t *texture, int numsurfaces, msurface_t **surfacelist, const vec3_t lightcolorbase, const vec3_t lightcolorpants, const vec3_t lightcolorshirt, rtexture_t *basetexture, rtexture_t *pantstexture, rtexture_t *shirttexture, rtexture_t *normalmaptexture, rtexture_t *glosstexture, float specularscale, const vec3_t modelorg) +static void R_Shadow_RenderLighting_Light_Dot3_DiffusePass(int firstvertex, int numvertices, int numtriangles, const int *element3i, int element3i_bufferobject, size_t element3i_bufferoffset, const vec3_t lightcolorbase, rtexture_t *basetexture, rtexture_t *normalmaptexture, float colorscale) { - // ARB2 GLSL shader path (GFFX5200, Radeon 9500) - int surfacelistindex; - qboolean dobase = (r_shadow_rtlight->ambientscale + r_shadow_rtlight->diffusescale) * VectorLength2(lightcolorbase) > 0.00001 && basetexture != r_texture_black; - qboolean dopants = (r_shadow_rtlight->ambientscale + r_shadow_rtlight->diffusescale) * VectorLength2(lightcolorpants) > 0.00001 && pantstexture != r_texture_black; - qboolean doshirt = (r_shadow_rtlight->ambientscale + r_shadow_rtlight->diffusescale) * VectorLength2(lightcolorshirt) > 0.00001 && shirttexture != r_texture_black; - qboolean dospecular = specularscale * VectorLength2(lightcolorbase) > 0.00001 && glosstexture != r_texture_black; - // TODO: add direct pants/shirt rendering - if (dopants) - R_Shadow_RenderSurfacesLighting_Light_GLSL(ent, texture, numsurfaces, surfacelist, lightcolorpants, vec3_origin, vec3_origin, pantstexture, r_texture_black, r_texture_black, normalmaptexture, r_texture_black, 0, modelorg); - if (doshirt) - R_Shadow_RenderSurfacesLighting_Light_GLSL(ent, texture, numsurfaces, surfacelist, lightcolorshirt, vec3_origin, vec3_origin, shirttexture, r_texture_black, r_texture_black, normalmaptexture, r_texture_black, 0, modelorg); - if (!dobase && !dospecular) - return; - R_Mesh_TexMatrix(0, &texture->currenttexmatrix); - R_Mesh_TexBind(0, R_GetTexture(normalmaptexture)); - R_Mesh_TexBind(1, R_GetTexture(basetexture)); - R_Mesh_TexBind(2, R_GetTexture(glosstexture)); - if (r_shadow_lightpermutation & SHADERPERMUTATION_SPECULAR) + rmeshstate_t m; + // colorscale accounts for how much we multiply the brightness + // during combine. + // + // mult is how many times the final pass of the lighting will be + // performed to get more brightness than otherwise possible. + // + // Limit mult to 64 for sanity sake. + GL_Color(1,1,1,1); + // generate normalization cubemap texcoords + R_Shadow_GenTexCoords_Diffuse_NormalCubeMap(firstvertex, numvertices, numtriangles, element3i); + if (r_shadow_texture3d.integer && r_textureunits.integer >= 4) { - qglUniform1fARB(qglGetUniformLocationARB(r_shadow_lightprog, "SpecularScale"), specularscale);CHECKGLERROR + // 3/2 3D combine path (Geforce3, Radeon 8500) + memset(&m, 0, sizeof(m)); + m.tex[0] = R_GetTexture(normalmaptexture); + m.texcombinergb[0] = GL_REPLACE; + m.pointer_texcoord[0] = rsurface_model->surfmesh.data_texcoordtexture2f; + m.pointer_texcoord_bufferobject[0] = rsurface_model->surfmesh.vbo; + m.pointer_texcoord_bufferoffset[0] = rsurface_model->surfmesh.vbooffset_texcoordtexture2f; + m.texmatrix[0] = rsurface_texture->currenttexmatrix; + m.texcubemap[1] = R_GetTexture(r_texture_normalizationcube); + m.texcombinergb[1] = GL_DOT3_RGBA_ARB; + m.pointer_texcoord3f[1] = rsurface_array_texcoord3f; + m.pointer_texcoord_bufferobject[1] = 0; + m.pointer_texcoord_bufferoffset[1] = 0; + m.tex3d[2] = R_GetTexture(r_shadow_attenuation3dtexture); + m.pointer_texcoord3f[2] = rsurface_vertex3f; + m.pointer_texcoord_bufferobject[2] = rsurface_vertex3f_bufferobject; + m.pointer_texcoord_bufferoffset[2] = rsurface_vertex3f_bufferoffset; + m.texmatrix[2] = r_shadow_entitytoattenuationxyz; + R_Mesh_TextureState(&m); + GL_ColorMask(0,0,0,1); + GL_BlendFunc(GL_ONE, GL_ZERO); + R_Mesh_Draw(firstvertex, numvertices, numtriangles, element3i, element3i_bufferobject, element3i_bufferoffset); + + // second pass + memset(&m, 0, sizeof(m)); + m.tex[0] = R_GetTexture(basetexture); + m.pointer_texcoord[0] = rsurface_model->surfmesh.data_texcoordtexture2f; + m.pointer_texcoord_bufferobject[0] = rsurface_model->surfmesh.vbo; + m.pointer_texcoord_bufferoffset[0] = rsurface_model->surfmesh.vbooffset_texcoordtexture2f; + m.texmatrix[0] = rsurface_texture->currenttexmatrix; + if (r_shadow_rtlight->currentcubemap != r_texture_whitecube) + { + m.texcubemap[1] = R_GetTexture(r_shadow_rtlight->currentcubemap); + m.pointer_texcoord3f[1] = rsurface_vertex3f; + m.pointer_texcoord_bufferobject[1] = rsurface_vertex3f_bufferobject; + m.pointer_texcoord_bufferoffset[1] = rsurface_vertex3f_bufferoffset; + m.texmatrix[1] = r_shadow_entitytolight; + } + GL_BlendFunc(GL_DST_ALPHA, GL_ONE); } - qglUniform3fARB(qglGetUniformLocationARB(r_shadow_lightprog, "LightColor"), lightcolorbase[0], lightcolorbase[1], lightcolorbase[2]);CHECKGLERROR - for (surfacelistindex = 0;surfacelistindex < numsurfaces;surfacelistindex++) + else if (r_shadow_texture3d.integer && r_textureunits.integer >= 2 && r_shadow_rtlight->currentcubemap != r_texture_whitecube) { - const msurface_t *surface = surfacelist[surfacelistindex]; - const int *elements = surface->groupmesh->data_element3i + surface->num_firsttriangle * 3; - RSurf_SetVertexPointer(ent, texture, surface, modelorg); - if (!rsurface_svector3f) + // 1/2/2 3D combine path (original Radeon) + memset(&m, 0, sizeof(m)); + m.tex3d[0] = R_GetTexture(r_shadow_attenuation3dtexture); + m.pointer_texcoord3f[0] = rsurface_vertex3f; + m.pointer_texcoord_bufferobject[0] = rsurface_vertex3f_bufferobject; + m.pointer_texcoord_bufferoffset[0] = rsurface_vertex3f_bufferoffset; + m.texmatrix[0] = r_shadow_entitytoattenuationxyz; + R_Mesh_TextureState(&m); + GL_ColorMask(0,0,0,1); + GL_BlendFunc(GL_ONE, GL_ZERO); + R_Mesh_Draw(firstvertex, numvertices, numtriangles, element3i, element3i_bufferobject, element3i_bufferoffset); + + // second pass + memset(&m, 0, sizeof(m)); + m.tex[0] = R_GetTexture(normalmaptexture); + m.texcombinergb[0] = GL_REPLACE; + m.pointer_texcoord[0] = rsurface_model->surfmesh.data_texcoordtexture2f; + m.pointer_texcoord_bufferobject[0] = rsurface_model->surfmesh.vbo; + m.pointer_texcoord_bufferoffset[0] = rsurface_model->surfmesh.vbooffset_texcoordtexture2f; + m.texmatrix[0] = rsurface_texture->currenttexmatrix; + m.texcubemap[1] = R_GetTexture(r_texture_normalizationcube); + m.texcombinergb[1] = GL_DOT3_RGBA_ARB; + m.pointer_texcoord3f[1] = rsurface_array_texcoord3f; + m.pointer_texcoord_bufferobject[1] = 0; + m.pointer_texcoord_bufferoffset[1] = 0; + R_Mesh_TextureState(&m); + GL_BlendFunc(GL_DST_ALPHA, GL_ZERO); + R_Mesh_Draw(firstvertex, numvertices, numtriangles, element3i, element3i_bufferobject, element3i_bufferoffset); + + // second pass + memset(&m, 0, sizeof(m)); + m.tex[0] = R_GetTexture(basetexture); + m.pointer_texcoord[0] = rsurface_model->surfmesh.data_texcoordtexture2f; + m.pointer_texcoord_bufferobject[0] = rsurface_model->surfmesh.vbo; + m.pointer_texcoord_bufferoffset[0] = rsurface_model->surfmesh.vbooffset_texcoordtexture2f; + m.texmatrix[0] = rsurface_texture->currenttexmatrix; + if (r_shadow_rtlight->currentcubemap != r_texture_whitecube) { - rsurface_svector3f = varray_svector3f; - rsurface_tvector3f = varray_tvector3f; - rsurface_normal3f = varray_normal3f; - Mod_BuildTextureVectorsAndNormals(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, rsurface_vertex3f, surface->groupmesh->data_texcoordtexture2f, surface->groupmesh->data_element3i + surface->num_firsttriangle * 3, rsurface_svector3f, rsurface_tvector3f, rsurface_normal3f, r_smoothnormals_areaweighting.integer); + m.texcubemap[1] = R_GetTexture(r_shadow_rtlight->currentcubemap); + m.pointer_texcoord3f[1] = rsurface_vertex3f; + m.pointer_texcoord_bufferobject[1] = rsurface_vertex3f_bufferobject; + m.pointer_texcoord_bufferoffset[1] = rsurface_vertex3f_bufferoffset; + m.texmatrix[1] = r_shadow_entitytolight; } - R_Mesh_TexCoordPointer(0, 2, surface->groupmesh->data_texcoordtexture2f); - R_Mesh_TexCoordPointer(1, 3, rsurface_svector3f); - R_Mesh_TexCoordPointer(2, 3, rsurface_tvector3f); - R_Mesh_TexCoordPointer(3, 3, rsurface_normal3f); - GL_LockArrays(surface->num_firstvertex, surface->num_vertices); - R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, elements); - GL_LockArrays(0, 0); + GL_BlendFunc(GL_DST_ALPHA, GL_ONE); } + else if (r_shadow_texture3d.integer && r_textureunits.integer >= 2 && r_shadow_rtlight->currentcubemap == r_texture_whitecube) + { + // 2/2 3D combine path (original Radeon) + memset(&m, 0, sizeof(m)); + m.tex[0] = R_GetTexture(normalmaptexture); + m.texcombinergb[0] = GL_REPLACE; + m.pointer_texcoord[0] = rsurface_model->surfmesh.data_texcoordtexture2f; + m.pointer_texcoord_bufferobject[0] = rsurface_model->surfmesh.vbo; + m.pointer_texcoord_bufferoffset[0] = rsurface_model->surfmesh.vbooffset_texcoordtexture2f; + m.texmatrix[0] = rsurface_texture->currenttexmatrix; + m.texcubemap[1] = R_GetTexture(r_texture_normalizationcube); + m.texcombinergb[1] = GL_DOT3_RGBA_ARB; + m.pointer_texcoord3f[1] = rsurface_array_texcoord3f; + m.pointer_texcoord_bufferobject[1] = 0; + m.pointer_texcoord_bufferoffset[1] = 0; + R_Mesh_TextureState(&m); + GL_ColorMask(0,0,0,1); + GL_BlendFunc(GL_ONE, GL_ZERO); + R_Mesh_Draw(firstvertex, numvertices, numtriangles, element3i, element3i_bufferobject, element3i_bufferoffset); + + // second pass + memset(&m, 0, sizeof(m)); + m.tex[0] = R_GetTexture(basetexture); + m.pointer_texcoord[0] = rsurface_model->surfmesh.data_texcoordtexture2f; + m.pointer_texcoord_bufferobject[0] = rsurface_model->surfmesh.vbo; + m.pointer_texcoord_bufferoffset[0] = rsurface_model->surfmesh.vbooffset_texcoordtexture2f; + m.texmatrix[0] = rsurface_texture->currenttexmatrix; + m.tex3d[1] = R_GetTexture(r_shadow_attenuation3dtexture); + m.pointer_texcoord3f[1] = rsurface_vertex3f; + m.pointer_texcoord_bufferobject[1] = rsurface_vertex3f_bufferobject; + m.pointer_texcoord_bufferoffset[1] = rsurface_vertex3f_bufferoffset; + m.texmatrix[1] = r_shadow_entitytoattenuationxyz; + GL_BlendFunc(GL_DST_ALPHA, GL_ONE); + } + else if (r_textureunits.integer >= 4) + { + // 4/2 2D combine path (Geforce3, Radeon 8500) + memset(&m, 0, sizeof(m)); + m.tex[0] = R_GetTexture(normalmaptexture); + m.texcombinergb[0] = GL_REPLACE; + m.pointer_texcoord[0] = rsurface_model->surfmesh.data_texcoordtexture2f; + m.pointer_texcoord_bufferobject[0] = rsurface_model->surfmesh.vbo; + m.pointer_texcoord_bufferoffset[0] = rsurface_model->surfmesh.vbooffset_texcoordtexture2f; + m.texmatrix[0] = rsurface_texture->currenttexmatrix; + m.texcubemap[1] = R_GetTexture(r_texture_normalizationcube); + m.texcombinergb[1] = GL_DOT3_RGBA_ARB; + m.pointer_texcoord3f[1] = rsurface_array_texcoord3f; + m.pointer_texcoord_bufferobject[1] = 0; + m.pointer_texcoord_bufferoffset[1] = 0; + m.tex[2] = R_GetTexture(r_shadow_attenuation2dtexture); + m.pointer_texcoord3f[2] = rsurface_vertex3f; + m.pointer_texcoord_bufferobject[2] = rsurface_vertex3f_bufferobject; + m.pointer_texcoord_bufferoffset[2] = rsurface_vertex3f_bufferoffset; + m.texmatrix[2] = r_shadow_entitytoattenuationxyz; + m.tex[3] = R_GetTexture(r_shadow_attenuation2dtexture); + m.pointer_texcoord3f[3] = rsurface_vertex3f; + m.pointer_texcoord_bufferobject[3] = rsurface_vertex3f_bufferobject; + m.pointer_texcoord_bufferoffset[3] = rsurface_vertex3f_bufferoffset; + m.texmatrix[3] = r_shadow_entitytoattenuationz; + R_Mesh_TextureState(&m); + GL_ColorMask(0,0,0,1); + GL_BlendFunc(GL_ONE, GL_ZERO); + R_Mesh_Draw(firstvertex, numvertices, numtriangles, element3i, element3i_bufferobject, element3i_bufferoffset); + + // second pass + memset(&m, 0, sizeof(m)); + m.tex[0] = R_GetTexture(basetexture); + m.pointer_texcoord[0] = rsurface_model->surfmesh.data_texcoordtexture2f; + m.pointer_texcoord_bufferobject[0] = rsurface_model->surfmesh.vbo; + m.pointer_texcoord_bufferoffset[0] = rsurface_model->surfmesh.vbooffset_texcoordtexture2f; + m.texmatrix[0] = rsurface_texture->currenttexmatrix; + if (r_shadow_rtlight->currentcubemap != r_texture_whitecube) + { + m.texcubemap[1] = R_GetTexture(r_shadow_rtlight->currentcubemap); + m.pointer_texcoord3f[1] = rsurface_vertex3f; + m.pointer_texcoord_bufferobject[1] = rsurface_vertex3f_bufferobject; + m.pointer_texcoord_bufferoffset[1] = rsurface_vertex3f_bufferoffset; + m.texmatrix[1] = r_shadow_entitytolight; + } + GL_BlendFunc(GL_DST_ALPHA, GL_ONE); + } + else + { + // 2/2/2 2D combine path (any dot3 card) + memset(&m, 0, sizeof(m)); + m.tex[0] = R_GetTexture(r_shadow_attenuation2dtexture); + m.pointer_texcoord3f[0] = rsurface_vertex3f; + m.pointer_texcoord_bufferobject[0] = rsurface_vertex3f_bufferobject; + m.pointer_texcoord_bufferoffset[0] = rsurface_vertex3f_bufferoffset; + m.texmatrix[0] = r_shadow_entitytoattenuationxyz; + m.tex[1] = R_GetTexture(r_shadow_attenuation2dtexture); + m.pointer_texcoord3f[1] = rsurface_vertex3f; + m.pointer_texcoord_bufferobject[0] = rsurface_vertex3f_bufferobject; + m.pointer_texcoord_bufferoffset[0] = rsurface_vertex3f_bufferoffset; + m.texmatrix[1] = r_shadow_entitytoattenuationz; + R_Mesh_TextureState(&m); + GL_ColorMask(0,0,0,1); + GL_BlendFunc(GL_ONE, GL_ZERO); + R_Mesh_Draw(firstvertex, numvertices, numtriangles, element3i, element3i_bufferobject, element3i_bufferoffset); + + // second pass + memset(&m, 0, sizeof(m)); + m.tex[0] = R_GetTexture(normalmaptexture); + m.texcombinergb[0] = GL_REPLACE; + m.pointer_texcoord[0] = rsurface_model->surfmesh.data_texcoordtexture2f; + m.pointer_texcoord_bufferobject[0] = rsurface_model->surfmesh.vbo; + m.pointer_texcoord_bufferoffset[0] = rsurface_model->surfmesh.vbooffset_texcoordtexture2f; + m.texmatrix[0] = rsurface_texture->currenttexmatrix; + m.texcubemap[1] = R_GetTexture(r_texture_normalizationcube); + m.texcombinergb[1] = GL_DOT3_RGBA_ARB; + m.pointer_texcoord3f[1] = rsurface_array_texcoord3f; + m.pointer_texcoord_bufferobject[1] = 0; + m.pointer_texcoord_bufferoffset[1] = 0; + R_Mesh_TextureState(&m); + GL_BlendFunc(GL_DST_ALPHA, GL_ZERO); + R_Mesh_Draw(firstvertex, numvertices, numtriangles, element3i, element3i_bufferobject, element3i_bufferoffset); + + // second pass + memset(&m, 0, sizeof(m)); + m.tex[0] = R_GetTexture(basetexture); + m.pointer_texcoord[0] = rsurface_model->surfmesh.data_texcoordtexture2f; + m.pointer_texcoord_bufferobject[0] = rsurface_model->surfmesh.vbo; + m.pointer_texcoord_bufferoffset[0] = rsurface_model->surfmesh.vbooffset_texcoordtexture2f; + m.texmatrix[0] = rsurface_texture->currenttexmatrix; + if (r_shadow_rtlight->currentcubemap != r_texture_whitecube) + { + m.texcubemap[1] = R_GetTexture(r_shadow_rtlight->currentcubemap); + m.pointer_texcoord3f[1] = rsurface_vertex3f; + m.pointer_texcoord_bufferobject[1] = rsurface_vertex3f_bufferobject; + m.pointer_texcoord_bufferoffset[1] = rsurface_vertex3f_bufferoffset; + m.texmatrix[1] = r_shadow_entitytolight; + } + GL_BlendFunc(GL_DST_ALPHA, GL_ONE); + } + // this final code is shared + R_Mesh_TextureState(&m); + R_Shadow_RenderLighting_Light_Dot3_Finalize(firstvertex, numvertices, numtriangles, element3i, element3i_bufferobject, element3i_bufferoffset, lightcolorbase[0] * colorscale, lightcolorbase[1] * colorscale, lightcolorbase[2] * colorscale); } -static void R_Shadow_RenderSurfacesLighting_Light_Dot3(const entity_render_t *ent, const texture_t *texture, int numsurfaces, msurface_t **surfacelist, const vec3_t lightcolorbase, const vec3_t lightcolorpants, const vec3_t lightcolorshirt, rtexture_t *basetexture, rtexture_t *pantstexture, rtexture_t *shirttexture, rtexture_t *normalmaptexture, rtexture_t *glosstexture, float specularscale, const vec3_t modelorg) +static void R_Shadow_RenderLighting_Light_Dot3_SpecularPass(int firstvertex, int numvertices, int numtriangles, const int *element3i, int element3i_bufferobject, size_t element3i_bufferoffset, const vec3_t lightcolorbase, rtexture_t *glosstexture, rtexture_t *normalmaptexture, float colorscale) { - // ARB path (any Geforce, any Radeon) - int surfacelistindex; - int renders; - float color2[3], colorscale; + float glossexponent; rmeshstate_t m; - qboolean doambientbase = r_shadow_rtlight->ambientscale * VectorLength2(lightcolorbase) > 0.00001 && basetexture != r_texture_black; - qboolean dodiffusebase = r_shadow_rtlight->diffusescale * VectorLength2(lightcolorbase) > 0.00001 && basetexture != r_texture_black; - qboolean doambientpants = r_shadow_rtlight->ambientscale * VectorLength2(lightcolorpants) > 0.00001 && pantstexture != r_texture_black; - qboolean dodiffusepants = r_shadow_rtlight->diffusescale * VectorLength2(lightcolorpants) > 0.00001 && pantstexture != r_texture_black; - qboolean doambientshirt = r_shadow_rtlight->ambientscale * VectorLength2(lightcolorshirt) > 0.00001 && shirttexture != r_texture_black; - qboolean dodiffuseshirt = r_shadow_rtlight->diffusescale * VectorLength2(lightcolorshirt) > 0.00001 && shirttexture != r_texture_black; - qboolean dospecular = specularscale * VectorLength2(lightcolorbase) > 0.00001 && glosstexture != r_texture_black; - // TODO: add direct pants/shirt rendering - if (doambientpants || dodiffusepants) - R_Shadow_RenderSurfacesLighting_Light_Dot3(ent, texture, numsurfaces, surfacelist, lightcolorpants, vec3_origin, vec3_origin, pantstexture, r_texture_black, r_texture_black, normalmaptexture, r_texture_black, 0, modelorg); - if (doambientshirt || dodiffuseshirt) - R_Shadow_RenderSurfacesLighting_Light_Dot3(ent, texture, numsurfaces, surfacelist, lightcolorshirt, vec3_origin, vec3_origin, shirttexture, r_texture_black, r_texture_black, normalmaptexture, r_texture_black, 0, modelorg); - if (!doambientbase && !dodiffusebase && !dospecular) - return; - for (surfacelistindex = 0;surfacelistindex < numsurfaces;surfacelistindex++) + // FIXME: detect blendsquare! + //if (!gl_support_blendsquare) + // return; + GL_Color(1,1,1,1); + // generate normalization cubemap texcoords + R_Shadow_GenTexCoords_Specular_NormalCubeMap(firstvertex, numvertices, numtriangles, element3i); + if (r_shadow_texture3d.integer && r_textureunits.integer >= 2 && r_shadow_rtlight->currentcubemap != r_texture_whitecube) { - const msurface_t *surface = surfacelist[surfacelistindex]; - const int *elements = surface->groupmesh->data_element3i + surface->num_firsttriangle * 3; - RSurf_SetVertexPointer(ent, texture, surface, modelorg); - if (!rsurface_svector3f) + // 2/0/0/1/2 3D combine blendsquare path + memset(&m, 0, sizeof(m)); + m.tex[0] = R_GetTexture(normalmaptexture); + m.pointer_texcoord[0] = rsurface_model->surfmesh.data_texcoordtexture2f; + m.pointer_texcoord_bufferobject[0] = rsurface_model->surfmesh.vbo; + m.pointer_texcoord_bufferoffset[0] = rsurface_model->surfmesh.vbooffset_texcoordtexture2f; + m.texmatrix[0] = rsurface_texture->currenttexmatrix; + m.texcubemap[1] = R_GetTexture(r_texture_normalizationcube); + m.texcombinergb[1] = GL_DOT3_RGBA_ARB; + m.pointer_texcoord3f[1] = rsurface_array_texcoord3f; + m.pointer_texcoord_bufferobject[1] = 0; + m.pointer_texcoord_bufferoffset[1] = 0; + R_Mesh_TextureState(&m); + GL_ColorMask(0,0,0,1); + // this squares the result + GL_BlendFunc(GL_SRC_ALPHA, GL_ZERO); + R_Mesh_Draw(firstvertex, numvertices, numtriangles, element3i, element3i_bufferobject, element3i_bufferoffset); + + // second and third pass + R_Mesh_ResetTextureState(); + // square alpha in framebuffer a few times to make it shiny + GL_BlendFunc(GL_ZERO, GL_DST_ALPHA); + for (glossexponent = 2;glossexponent * 2 <= r_shadow_glossexponent.value;glossexponent *= 2) + R_Mesh_Draw(firstvertex, numvertices, numtriangles, element3i, element3i_bufferobject, element3i_bufferoffset); + + // fourth pass + memset(&m, 0, sizeof(m)); + m.tex3d[0] = R_GetTexture(r_shadow_attenuation3dtexture); + m.pointer_texcoord3f[0] = rsurface_vertex3f; + m.pointer_texcoord_bufferobject[0] = rsurface_vertex3f_bufferobject; + m.pointer_texcoord_bufferoffset[0] = rsurface_vertex3f_bufferoffset; + m.texmatrix[0] = r_shadow_entitytoattenuationxyz; + R_Mesh_TextureState(&m); + GL_BlendFunc(GL_DST_ALPHA, GL_ZERO); + R_Mesh_Draw(firstvertex, numvertices, numtriangles, element3i, element3i_bufferobject, element3i_bufferoffset); + + // fifth pass + memset(&m, 0, sizeof(m)); + m.tex[0] = R_GetTexture(glosstexture); + m.pointer_texcoord[0] = rsurface_model->surfmesh.data_texcoordtexture2f; + m.pointer_texcoord_bufferobject[0] = rsurface_model->surfmesh.vbo; + m.pointer_texcoord_bufferoffset[0] = rsurface_model->surfmesh.vbooffset_texcoordtexture2f; + m.texmatrix[0] = rsurface_texture->currenttexmatrix; + if (r_shadow_rtlight->currentcubemap != r_texture_whitecube) { - rsurface_svector3f = varray_svector3f; - rsurface_tvector3f = varray_tvector3f; - rsurface_normal3f = varray_normal3f; - Mod_BuildTextureVectorsAndNormals(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, rsurface_vertex3f, surface->groupmesh->data_texcoordtexture2f, surface->groupmesh->data_element3i + surface->num_firsttriangle * 3, rsurface_svector3f, rsurface_tvector3f, rsurface_normal3f, r_smoothnormals_areaweighting.integer); + m.texcubemap[1] = R_GetTexture(r_shadow_rtlight->currentcubemap); + m.pointer_texcoord3f[1] = rsurface_vertex3f; + m.pointer_texcoord_bufferobject[1] = rsurface_vertex3f_bufferobject; + m.pointer_texcoord_bufferoffset[1] = rsurface_vertex3f_bufferoffset; + m.texmatrix[1] = r_shadow_entitytolight; } - if (doambientbase) + GL_BlendFunc(GL_DST_ALPHA, GL_ONE); + } + else if (r_shadow_texture3d.integer && r_textureunits.integer >= 2 && r_shadow_rtlight->currentcubemap == r_texture_whitecube /* && gl_support_blendsquare*/) // FIXME: detect blendsquare! + { + // 2/0/0/2 3D combine blendsquare path + memset(&m, 0, sizeof(m)); + m.tex[0] = R_GetTexture(normalmaptexture); + m.pointer_texcoord[0] = rsurface_model->surfmesh.data_texcoordtexture2f; + m.pointer_texcoord_bufferobject[0] = rsurface_model->surfmesh.vbo; + m.pointer_texcoord_bufferoffset[0] = rsurface_model->surfmesh.vbooffset_texcoordtexture2f; + m.texmatrix[0] = rsurface_texture->currenttexmatrix; + m.texcubemap[1] = R_GetTexture(r_texture_normalizationcube); + m.texcombinergb[1] = GL_DOT3_RGBA_ARB; + m.pointer_texcoord3f[1] = rsurface_array_texcoord3f; + m.pointer_texcoord_bufferobject[1] = 0; + m.pointer_texcoord_bufferoffset[1] = 0; + R_Mesh_TextureState(&m); + GL_ColorMask(0,0,0,1); + // this squares the result + GL_BlendFunc(GL_SRC_ALPHA, GL_ZERO); + R_Mesh_Draw(firstvertex, numvertices, numtriangles, element3i, element3i_bufferobject, element3i_bufferoffset); + + // second and third pass + R_Mesh_ResetTextureState(); + // square alpha in framebuffer a few times to make it shiny + GL_BlendFunc(GL_ZERO, GL_DST_ALPHA); + for (glossexponent = 2;glossexponent * 2 <= r_shadow_glossexponent.value;glossexponent *= 2) + R_Mesh_Draw(firstvertex, numvertices, numtriangles, element3i, element3i_bufferobject, element3i_bufferoffset); + + // fourth pass + memset(&m, 0, sizeof(m)); + m.tex[0] = R_GetTexture(glosstexture); + m.pointer_texcoord[0] = rsurface_model->surfmesh.data_texcoordtexture2f; + m.pointer_texcoord_bufferobject[0] = rsurface_model->surfmesh.vbo; + m.pointer_texcoord_bufferoffset[0] = rsurface_model->surfmesh.vbooffset_texcoordtexture2f; + m.texmatrix[0] = rsurface_texture->currenttexmatrix; + m.tex3d[1] = R_GetTexture(r_shadow_attenuation3dtexture); + m.pointer_texcoord3f[1] = rsurface_vertex3f; + m.pointer_texcoord_bufferobject[1] = rsurface_vertex3f_bufferobject; + m.pointer_texcoord_bufferoffset[1] = rsurface_vertex3f_bufferoffset; + m.texmatrix[1] = r_shadow_entitytoattenuationxyz; + GL_BlendFunc(GL_DST_ALPHA, GL_ONE); + } + else + { + // 2/0/0/2/2 2D combine blendsquare path + memset(&m, 0, sizeof(m)); + m.tex[0] = R_GetTexture(normalmaptexture); + m.pointer_texcoord[0] = rsurface_model->surfmesh.data_texcoordtexture2f; + m.pointer_texcoord_bufferobject[0] = rsurface_model->surfmesh.vbo; + m.pointer_texcoord_bufferoffset[0] = rsurface_model->surfmesh.vbooffset_texcoordtexture2f; + m.texmatrix[0] = rsurface_texture->currenttexmatrix; + m.texcubemap[1] = R_GetTexture(r_texture_normalizationcube); + m.texcombinergb[1] = GL_DOT3_RGBA_ARB; + m.pointer_texcoord3f[1] = rsurface_array_texcoord3f; + m.pointer_texcoord_bufferobject[1] = 0; + m.pointer_texcoord_bufferoffset[1] = 0; + R_Mesh_TextureState(&m); + GL_ColorMask(0,0,0,1); + // this squares the result + GL_BlendFunc(GL_SRC_ALPHA, GL_ZERO); + R_Mesh_Draw(firstvertex, numvertices, numtriangles, element3i, element3i_bufferobject, element3i_bufferoffset); + + // second and third pass + R_Mesh_ResetTextureState(); + // square alpha in framebuffer a few times to make it shiny + GL_BlendFunc(GL_ZERO, GL_DST_ALPHA); + for (glossexponent = 2;glossexponent * 2 <= r_shadow_glossexponent.value;glossexponent *= 2) + R_Mesh_Draw(firstvertex, numvertices, numtriangles, element3i, element3i_bufferobject, element3i_bufferoffset); + + // fourth pass + memset(&m, 0, sizeof(m)); + m.tex[0] = R_GetTexture(r_shadow_attenuation2dtexture); + m.pointer_texcoord3f[0] = rsurface_vertex3f; + m.pointer_texcoord_bufferobject[0] = rsurface_vertex3f_bufferobject; + m.pointer_texcoord_bufferoffset[0] = rsurface_vertex3f_bufferoffset; + m.texmatrix[0] = r_shadow_entitytoattenuationxyz; + m.tex[1] = R_GetTexture(r_shadow_attenuation2dtexture); + m.pointer_texcoord3f[1] = rsurface_vertex3f; + m.pointer_texcoord_bufferobject[1] = rsurface_vertex3f_bufferobject; + m.pointer_texcoord_bufferoffset[1] = rsurface_vertex3f_bufferoffset; + m.texmatrix[1] = r_shadow_entitytoattenuationz; + R_Mesh_TextureState(&m); + GL_BlendFunc(GL_DST_ALPHA, GL_ZERO); + R_Mesh_Draw(firstvertex, numvertices, numtriangles, element3i, element3i_bufferobject, element3i_bufferoffset); + + // fifth pass + memset(&m, 0, sizeof(m)); + m.tex[0] = R_GetTexture(glosstexture); + m.pointer_texcoord[0] = rsurface_model->surfmesh.data_texcoordtexture2f; + m.pointer_texcoord_bufferobject[0] = rsurface_model->surfmesh.vbo; + m.pointer_texcoord_bufferoffset[0] = rsurface_model->surfmesh.vbooffset_texcoordtexture2f; + m.texmatrix[0] = rsurface_texture->currenttexmatrix; + if (r_shadow_rtlight->currentcubemap != r_texture_whitecube) { - GL_Color(1,1,1,1); - colorscale = r_shadow_rtlight->ambientscale; - // colorscale accounts for how much we multiply the brightness - // during combine. - // - // mult is how many times the final pass of the lighting will be - // performed to get more brightness than otherwise possible. - // - // Limit mult to 64 for sanity sake. - if (r_shadow_texture3d.integer && r_shadow_lightcubemap != r_texture_whitecube && r_textureunits.integer >= 4) - { - // 3 3D combine path (Geforce3, Radeon 8500) - memset(&m, 0, sizeof(m)); - m.pointer_vertex = rsurface_vertex3f; - m.tex3d[0] = R_GetTexture(r_shadow_attenuation3dtexture); -#ifdef USETEXMATRIX - m.pointer_texcoord3f[0] = rsurface_vertex3f; - m.texmatrix[0] = r_shadow_entitytoattenuationxyz; -#else - m.pointer_texcoord3f[0] = varray_texcoord3f[0]; - R_Shadow_Transform_Vertex3f_TexCoord3f(varray_texcoord3f[0] + 3 * surface->num_firstvertex, surface->num_vertices, rsurface_vertex3f + 3 * surface->num_firstvertex, &r_shadow_entitytoattenuationxyz); -#endif - m.tex[1] = R_GetTexture(basetexture); - m.pointer_texcoord[1] = surface->groupmesh->data_texcoordtexture2f; - m.texmatrix[1] = texture->currenttexmatrix; - m.texcubemap[2] = R_GetTexture(r_shadow_lightcubemap); -#ifdef USETEXMATRIX - m.pointer_texcoord3f[2] = rsurface_vertex3f; - m.texmatrix[2] = r_shadow_entitytolight; -#else - m.pointer_texcoord3f[2] = varray_texcoord3f[2]; - R_Shadow_Transform_Vertex3f_TexCoord3f(varray_texcoord3f[2] + 3 * surface->num_firstvertex, surface->num_vertices, rsurface_vertex3f + 3 * surface->num_firstvertex, &r_shadow_entitytolight); -#endif - GL_BlendFunc(GL_ONE, GL_ONE); - } - else if (r_shadow_texture3d.integer && r_shadow_lightcubemap == r_texture_whitecube && r_textureunits.integer >= 2) - { - // 2 3D combine path (Geforce3, original Radeon) - memset(&m, 0, sizeof(m)); - m.pointer_vertex = rsurface_vertex3f; - m.tex3d[0] = R_GetTexture(r_shadow_attenuation3dtexture); -#ifdef USETEXMATRIX - m.pointer_texcoord3f[0] = rsurface_vertex3f; - m.texmatrix[0] = r_shadow_entitytoattenuationxyz; -#else - m.pointer_texcoord3f[0] = varray_texcoord3f[0]; - R_Shadow_Transform_Vertex3f_TexCoord3f(varray_texcoord3f[0] + 3 * surface->num_firstvertex, surface->num_vertices, rsurface_vertex3f + 3 * surface->num_firstvertex, &r_shadow_entitytoattenuationxyz); -#endif - m.tex[1] = R_GetTexture(basetexture); - m.pointer_texcoord[1] = surface->groupmesh->data_texcoordtexture2f; - m.texmatrix[1] = texture->currenttexmatrix; - GL_BlendFunc(GL_ONE, GL_ONE); - } - else if (r_textureunits.integer >= 4 && r_shadow_lightcubemap != r_texture_whitecube) - { - // 4 2D combine path (Geforce3, Radeon 8500) - memset(&m, 0, sizeof(m)); - m.pointer_vertex = rsurface_vertex3f; - m.tex[0] = R_GetTexture(r_shadow_attenuation2dtexture); -#ifdef USETEXMATRIX - m.pointer_texcoord3f[0] = rsurface_vertex3f; - m.texmatrix[0] = r_shadow_entitytoattenuationxyz; -#else - m.pointer_texcoord[0] = varray_texcoord2f[0]; - R_Shadow_Transform_Vertex3f_Texcoord2f(varray_texcoord2f[0] + 3 * surface->num_firstvertex, surface->num_vertices, rsurface_vertex3f + 3 * surface->num_firstvertex, &r_shadow_entitytoattenuationxyz); -#endif - m.tex[1] = R_GetTexture(r_shadow_attenuation2dtexture); -#ifdef USETEXMATRIX - m.pointer_texcoord3f[1] = rsurface_vertex3f; - m.texmatrix[1] = r_shadow_entitytoattenuationz; -#else - m.pointer_texcoord[1] = varray_texcoord2f[1]; - R_Shadow_Transform_Vertex3f_Texcoord2f(varray_texcoord2f[1] + 3 * surface->num_firstvertex, surface->num_vertices, rsurface_vertex3f + 3 * surface->num_firstvertex, &r_shadow_entitytoattenuationz); -#endif - m.tex[2] = R_GetTexture(basetexture); - m.pointer_texcoord[2] = surface->groupmesh->data_texcoordtexture2f; - m.texmatrix[2] = texture->currenttexmatrix; - if (r_shadow_lightcubemap != r_texture_whitecube) - { - m.texcubemap[3] = R_GetTexture(r_shadow_lightcubemap); -#ifdef USETEXMATRIX - m.pointer_texcoord3f[3] = rsurface_vertex3f; - m.texmatrix[3] = r_shadow_entitytolight; -#else - m.pointer_texcoord3f[3] = varray_texcoord3f[3]; - R_Shadow_Transform_Vertex3f_TexCoord3f(varray_texcoord3f[3] + 3 * surface->num_firstvertex, surface->num_vertices, rsurface_vertex3f + 3 * surface->num_firstvertex, &r_shadow_entitytolight); -#endif - } - GL_BlendFunc(GL_ONE, GL_ONE); - } - else if (r_textureunits.integer >= 3 && r_shadow_lightcubemap == r_texture_whitecube) - { - // 3 2D combine path (Geforce3, original Radeon) - memset(&m, 0, sizeof(m)); - m.pointer_vertex = rsurface_vertex3f; - m.tex[0] = R_GetTexture(r_shadow_attenuation2dtexture); -#ifdef USETEXMATRIX - m.pointer_texcoord3f[0] = rsurface_vertex3f; - m.texmatrix[0] = r_shadow_entitytoattenuationxyz; -#else - m.pointer_texcoord[0] = varray_texcoord2f[0]; - R_Shadow_Transform_Vertex3f_Texcoord2f(varray_texcoord2f[0] + 3 * surface->num_firstvertex, surface->num_vertices, rsurface_vertex3f + 3 * surface->num_firstvertex, &r_shadow_entitytoattenuationxyz); -#endif - m.tex[1] = R_GetTexture(r_shadow_attenuation2dtexture); -#ifdef USETEXMATRIX - m.pointer_texcoord3f[1] = rsurface_vertex3f; - m.texmatrix[1] = r_shadow_entitytoattenuationz; -#else - m.pointer_texcoord[1] = varray_texcoord2f[1]; - R_Shadow_Transform_Vertex3f_Texcoord2f(varray_texcoord2f[1] + 3 * surface->num_firstvertex, surface->num_vertices, rsurface_vertex3f + 3 * surface->num_firstvertex, &r_shadow_entitytoattenuationz); -#endif - m.tex[2] = R_GetTexture(basetexture); - m.pointer_texcoord[2] = surface->groupmesh->data_texcoordtexture2f; - m.texmatrix[2] = texture->currenttexmatrix; - GL_BlendFunc(GL_ONE, GL_ONE); - } - else - { - // 2/2/2 2D combine path (any dot3 card) - memset(&m, 0, sizeof(m)); - m.pointer_vertex = rsurface_vertex3f; - m.tex[0] = R_GetTexture(r_shadow_attenuation2dtexture); -#ifdef USETEXMATRIX - m.pointer_texcoord3f[0] = rsurface_vertex3f; - m.texmatrix[0] = r_shadow_entitytoattenuationxyz; -#else - m.pointer_texcoord[0] = varray_texcoord2f[0]; - R_Shadow_Transform_Vertex3f_Texcoord2f(varray_texcoord2f[0] + 3 * surface->num_firstvertex, surface->num_vertices, rsurface_vertex3f + 3 * surface->num_firstvertex, &r_shadow_entitytoattenuationxyz); -#endif - m.tex[1] = R_GetTexture(r_shadow_attenuation2dtexture); -#ifdef USETEXMATRIX - m.pointer_texcoord3f[1] = rsurface_vertex3f; - m.texmatrix[1] = r_shadow_entitytoattenuationz; -#else - m.pointer_texcoord[1] = varray_texcoord2f[1]; - R_Shadow_Transform_Vertex3f_Texcoord2f(varray_texcoord2f[1] + 3 * surface->num_firstvertex, surface->num_vertices, rsurface_vertex3f + 3 * surface->num_firstvertex, &r_shadow_entitytoattenuationz); -#endif - R_Mesh_State(&m); - GL_ColorMask(0,0,0,1); - GL_BlendFunc(GL_ONE, GL_ZERO); - GL_LockArrays(surface->num_firstvertex, surface->num_vertices); - R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, elements); - GL_LockArrays(0, 0); - - memset(&m, 0, sizeof(m)); - m.pointer_vertex = rsurface_vertex3f; - m.tex[0] = R_GetTexture(basetexture); - m.pointer_texcoord[0] = surface->groupmesh->data_texcoordtexture2f; - m.texmatrix[0] = texture->currenttexmatrix; - if (r_shadow_lightcubemap != r_texture_whitecube) - { - m.texcubemap[1] = R_GetTexture(r_shadow_lightcubemap); -#ifdef USETEXMATRIX - m.pointer_texcoord3f[1] = rsurface_vertex3f; - m.texmatrix[1] = r_shadow_entitytolight; -#else - m.pointer_texcoord3f[1] = varray_texcoord3f[1]; - R_Shadow_Transform_Vertex3f_TexCoord3f(varray_texcoord3f[1] + 3 * surface->num_firstvertex, surface->num_vertices, rsurface_vertex3f + 3 * surface->num_firstvertex, &r_shadow_entitytolight); -#endif - } - GL_BlendFunc(GL_DST_ALPHA, GL_ONE); - } - // this final code is shared - R_Mesh_State(&m); - GL_ColorMask(r_refdef.colormask[0], r_refdef.colormask[1], r_refdef.colormask[2], 0); - VectorScale(lightcolorbase, colorscale, color2); - GL_LockArrays(surface->num_firstvertex, surface->num_vertices); - for (renders = 0;renders < 64 && (color2[0] > 0 || color2[1] > 0 || color2[2] > 0);renders++, color2[0]--, color2[1]--, color2[2]--) - { - GL_Color(bound(0, color2[0], 1), bound(0, color2[1], 1), bound(0, color2[2], 1), 1); - R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, elements); - } - GL_LockArrays(0, 0); + m.texcubemap[1] = R_GetTexture(r_shadow_rtlight->currentcubemap); + m.pointer_texcoord3f[1] = rsurface_vertex3f; + m.pointer_texcoord_bufferobject[1] = rsurface_vertex3f_bufferobject; + m.pointer_texcoord_bufferoffset[1] = rsurface_vertex3f_bufferoffset; + m.texmatrix[1] = r_shadow_entitytolight; } - if (dodiffusebase) + GL_BlendFunc(GL_DST_ALPHA, GL_ONE); + } + // this final code is shared + R_Mesh_TextureState(&m); + R_Shadow_RenderLighting_Light_Dot3_Finalize(firstvertex, numvertices, numtriangles, element3i, element3i_bufferobject, element3i_bufferoffset, lightcolorbase[0] * colorscale, lightcolorbase[1] * colorscale, lightcolorbase[2] * colorscale); +} + +static void R_Shadow_RenderLighting_Light_Dot3(int firstvertex, int numvertices, int numtriangles, const int *element3i, int element3i_bufferobject, size_t element3i_bufferoffset, const vec3_t lightcolorbase, const vec3_t lightcolorpants, const vec3_t lightcolorshirt, rtexture_t *basetexture, rtexture_t *pantstexture, rtexture_t *shirttexture, rtexture_t *normalmaptexture, rtexture_t *glosstexture, float ambientscale, float diffusescale, float specularscale, qboolean dopants, qboolean doshirt) +{ + // ARB path (any Geforce, any Radeon) + qboolean doambient = ambientscale > 0; + qboolean dodiffuse = diffusescale > 0; + qboolean dospecular = specularscale > 0; + if (!doambient && !dodiffuse && !dospecular) + return; + R_Mesh_ColorPointer(NULL, 0, 0); + if (doambient) + R_Shadow_RenderLighting_Light_Dot3_AmbientPass(firstvertex, numvertices, numtriangles, element3i, element3i_bufferobject, element3i_bufferoffset, lightcolorbase, basetexture, ambientscale * r_view.colorscale); + if (dodiffuse) + R_Shadow_RenderLighting_Light_Dot3_DiffusePass(firstvertex, numvertices, numtriangles, element3i, element3i_bufferobject, element3i_bufferoffset, lightcolorbase, basetexture, normalmaptexture, diffusescale * r_view.colorscale); + if (dopants) + { + if (doambient) + R_Shadow_RenderLighting_Light_Dot3_AmbientPass(firstvertex, numvertices, numtriangles, element3i, element3i_bufferobject, element3i_bufferoffset, lightcolorpants, pantstexture, ambientscale * r_view.colorscale); + if (dodiffuse) + R_Shadow_RenderLighting_Light_Dot3_DiffusePass(firstvertex, numvertices, numtriangles, element3i, element3i_bufferobject, element3i_bufferoffset, lightcolorpants, pantstexture, normalmaptexture, diffusescale * r_view.colorscale); + } + if (doshirt) + { + if (doambient) + R_Shadow_RenderLighting_Light_Dot3_AmbientPass(firstvertex, numvertices, numtriangles, element3i, element3i_bufferobject, element3i_bufferoffset, lightcolorshirt, shirttexture, ambientscale * r_view.colorscale); + if (dodiffuse) + R_Shadow_RenderLighting_Light_Dot3_DiffusePass(firstvertex, numvertices, numtriangles, element3i, element3i_bufferobject, element3i_bufferoffset, lightcolorshirt, shirttexture, normalmaptexture, diffusescale * r_view.colorscale); + } + if (dospecular) + R_Shadow_RenderLighting_Light_Dot3_SpecularPass(firstvertex, numvertices, numtriangles, element3i, element3i_bufferobject, element3i_bufferoffset, lightcolorbase, glosstexture, normalmaptexture, specularscale * r_view.colorscale); +} + +void R_Shadow_RenderLighting_Light_Vertex_Pass(const model_t *model, int firstvertex, int numvertices, int numtriangles, const int *element3i, int element3i_bufferobject, size_t element3i_bufferoffset, vec3_t diffusecolor2, vec3_t ambientcolor2) +{ + int renders; + int i; + int stop; + int newfirstvertex; + int newlastvertex; + int newnumtriangles; + int *newe; + const int *e; + float *c; + int newelements[4096*3]; + R_Shadow_RenderLighting_Light_Vertex_Shading(firstvertex, numvertices, numtriangles, element3i, diffusecolor2, ambientcolor2); + for (renders = 0;renders < 64;renders++) + { + stop = true; + newfirstvertex = 0; + newlastvertex = 0; + newnumtriangles = 0; + newe = newelements; + // due to low fillrate on the cards this vertex lighting path is + // designed for, we manually cull all triangles that do not + // contain a lit vertex + // this builds batches of triangles from multiple surfaces and + // renders them at once + for (i = 0, e = element3i;i < numtriangles;i++, e += 3) { - GL_Color(1,1,1,1); - colorscale = r_shadow_rtlight->diffusescale; - // colorscale accounts for how much we multiply the brightness - // during combine. - // - // mult is how many times the final pass of the lighting will be - // performed to get more brightness than otherwise possible. - // - // Limit mult to 64 for sanity sake. - if (r_shadow_texture3d.integer && r_textureunits.integer >= 4) + if (VectorLength2(rsurface_array_color4f + e[0] * 4) + VectorLength2(rsurface_array_color4f + e[1] * 4) + VectorLength2(rsurface_array_color4f + e[2] * 4) >= 0.01) { - // 3/2 3D combine path (Geforce3, Radeon 8500) - memset(&m, 0, sizeof(m)); - m.pointer_vertex = rsurface_vertex3f; - m.tex[0] = R_GetTexture(normalmaptexture); - m.texcombinergb[0] = GL_REPLACE; - m.pointer_texcoord[0] = surface->groupmesh->data_texcoordtexture2f; - m.texmatrix[0] = texture->currenttexmatrix; - m.texcubemap[1] = R_GetTexture(r_texture_normalizationcube); - m.texcombinergb[1] = GL_DOT3_RGBA_ARB; - m.pointer_texcoord3f[1] = varray_texcoord3f[1]; - R_Shadow_GenTexCoords_Diffuse_NormalCubeMap(varray_texcoord3f[1] + 3 * surface->num_firstvertex, surface->num_vertices, rsurface_vertex3f + 3 * surface->num_firstvertex, rsurface_svector3f + 3 * surface->num_firstvertex, rsurface_tvector3f + 3 * surface->num_firstvertex, rsurface_normal3f + 3 * surface->num_firstvertex, r_shadow_entitylightorigin); - m.tex3d[2] = R_GetTexture(r_shadow_attenuation3dtexture); -#ifdef USETEXMATRIX - m.pointer_texcoord3f[2] = rsurface_vertex3f; - m.texmatrix[2] = r_shadow_entitytoattenuationxyz; -#else - m.pointer_texcoord3f[2] = varray_texcoord3f[2]; - R_Shadow_Transform_Vertex3f_TexCoord3f(varray_texcoord3f[2] + 3 * surface->num_firstvertex, surface->num_vertices, rsurface_vertex3f + 3 * surface->num_firstvertex, &r_shadow_entitytoattenuationxyz); -#endif - R_Mesh_State(&m); - GL_ColorMask(0,0,0,1); - GL_BlendFunc(GL_ONE, GL_ZERO); - GL_LockArrays(surface->num_firstvertex, surface->num_vertices); - R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, elements); - GL_LockArrays(0, 0); - - memset(&m, 0, sizeof(m)); - m.pointer_vertex = rsurface_vertex3f; - m.tex[0] = R_GetTexture(basetexture); - m.pointer_texcoord[0] = surface->groupmesh->data_texcoordtexture2f; - m.texmatrix[0] = texture->currenttexmatrix; - if (r_shadow_lightcubemap != r_texture_whitecube) + if (newnumtriangles) { - m.texcubemap[1] = R_GetTexture(r_shadow_lightcubemap); -#ifdef USETEXMATRIX - m.pointer_texcoord3f[1] = rsurface_vertex3f; - m.texmatrix[1] = r_shadow_entitytolight; -#else - m.pointer_texcoord3f[1] = varray_texcoord3f[1]; - R_Shadow_Transform_Vertex3f_TexCoord3f(varray_texcoord3f[1] + 3 * surface->num_firstvertex, surface->num_vertices, rsurface_vertex3f + 3 * surface->num_firstvertex, &r_shadow_entitytolight); -#endif + newfirstvertex = min(newfirstvertex, e[0]); + newlastvertex = max(newlastvertex, e[0]); } - GL_BlendFunc(GL_DST_ALPHA, GL_ONE); - } - else if (r_shadow_texture3d.integer && r_textureunits.integer >= 2 && r_shadow_lightcubemap != r_texture_whitecube) - { - // 1/2/2 3D combine path (original Radeon) - memset(&m, 0, sizeof(m)); - m.pointer_vertex = rsurface_vertex3f; - m.tex3d[0] = R_GetTexture(r_shadow_attenuation3dtexture); -#ifdef USETEXMATRIX - m.pointer_texcoord3f[0] = rsurface_vertex3f; - m.texmatrix[0] = r_shadow_entitytoattenuationxyz; -#else - m.pointer_texcoord3f[0] = varray_texcoord3f[0]; - R_Shadow_Transform_Vertex3f_TexCoord3f(varray_texcoord3f[0] + 3 * surface->num_firstvertex, surface->num_vertices, rsurface_vertex3f + 3 * surface->num_firstvertex, &r_shadow_entitytoattenuationxyz); -#endif - R_Mesh_State(&m); - GL_ColorMask(0,0,0,1); - GL_BlendFunc(GL_ONE, GL_ZERO); - GL_LockArrays(surface->num_firstvertex, surface->num_vertices); - R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, elements); - GL_LockArrays(0, 0); - - memset(&m, 0, sizeof(m)); - m.pointer_vertex = rsurface_vertex3f; - m.tex[0] = R_GetTexture(normalmaptexture); - m.texcombinergb[0] = GL_REPLACE; - m.pointer_texcoord[0] = surface->groupmesh->data_texcoordtexture2f; - m.texmatrix[0] = texture->currenttexmatrix; - m.texcubemap[1] = R_GetTexture(r_texture_normalizationcube); - m.texcombinergb[1] = GL_DOT3_RGBA_ARB; - m.pointer_texcoord3f[1] = varray_texcoord3f[1]; - R_Shadow_GenTexCoords_Diffuse_NormalCubeMap(varray_texcoord3f[1] + 3 * surface->num_firstvertex, surface->num_vertices, rsurface_vertex3f + 3 * surface->num_firstvertex, rsurface_svector3f + 3 * surface->num_firstvertex, rsurface_tvector3f + 3 * surface->num_firstvertex, rsurface_normal3f + 3 * surface->num_firstvertex, r_shadow_entitylightorigin); - R_Mesh_State(&m); - GL_BlendFunc(GL_DST_ALPHA, GL_ZERO); - GL_LockArrays(surface->num_firstvertex, surface->num_vertices); - R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, elements); - GL_LockArrays(0, 0); - - memset(&m, 0, sizeof(m)); - m.pointer_vertex = rsurface_vertex3f; - m.tex[0] = R_GetTexture(basetexture); - m.pointer_texcoord[0] = surface->groupmesh->data_texcoordtexture2f; - m.texmatrix[0] = texture->currenttexmatrix; - if (r_shadow_lightcubemap != r_texture_whitecube) + else { - m.texcubemap[1] = R_GetTexture(r_shadow_lightcubemap); -#ifdef USETEXMATRIX - m.pointer_texcoord3f[1] = rsurface_vertex3f; - m.texmatrix[1] = r_shadow_entitytolight; -#else - m.pointer_texcoord3f[1] = varray_texcoord3f[1]; - R_Shadow_Transform_Vertex3f_TexCoord3f(varray_texcoord3f[1] + 3 * surface->num_firstvertex, surface->num_vertices, rsurface_vertex3f + 3 * surface->num_firstvertex, &r_shadow_entitytolight); -#endif + newfirstvertex = e[0]; + newlastvertex = e[0]; } - GL_BlendFunc(GL_DST_ALPHA, GL_ONE); - } - else if (r_shadow_texture3d.integer && r_textureunits.integer >= 2 && r_shadow_lightcubemap == r_texture_whitecube) - { - // 2/2 3D combine path (original Radeon) - memset(&m, 0, sizeof(m)); - m.pointer_vertex = rsurface_vertex3f; - m.tex[0] = R_GetTexture(normalmaptexture); - m.texcombinergb[0] = GL_REPLACE; - m.pointer_texcoord[0] = surface->groupmesh->data_texcoordtexture2f; - m.texmatrix[0] = texture->currenttexmatrix; - m.texcubemap[1] = R_GetTexture(r_texture_normalizationcube); - m.texcombinergb[1] = GL_DOT3_RGBA_ARB; - m.pointer_texcoord3f[1] = varray_texcoord3f[1]; - R_Shadow_GenTexCoords_Diffuse_NormalCubeMap(varray_texcoord3f[1] + 3 * surface->num_firstvertex, surface->num_vertices, rsurface_vertex3f + 3 * surface->num_firstvertex, rsurface_svector3f + 3 * surface->num_firstvertex, rsurface_tvector3f + 3 * surface->num_firstvertex, rsurface_normal3f + 3 * surface->num_firstvertex, r_shadow_entitylightorigin); - R_Mesh_State(&m); - GL_ColorMask(0,0,0,1); - GL_BlendFunc(GL_ONE, GL_ZERO); - GL_LockArrays(surface->num_firstvertex, surface->num_vertices); - R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, elements); - GL_LockArrays(0, 0); - - memset(&m, 0, sizeof(m)); - m.pointer_vertex = rsurface_vertex3f; - m.tex[0] = R_GetTexture(basetexture); - m.pointer_texcoord[0] = surface->groupmesh->data_texcoordtexture2f; - m.texmatrix[0] = texture->currenttexmatrix; - m.tex3d[1] = R_GetTexture(r_shadow_attenuation3dtexture); -#ifdef USETEXMATRIX - m.pointer_texcoord3f[1] = rsurface_vertex3f; - m.texmatrix[1] = r_shadow_entitytoattenuationxyz; -#else - m.pointer_texcoord3f[1] = varray_texcoord3f[1]; - R_Shadow_Transform_Vertex3f_TexCoord3f(varray_texcoord3f[1] + 3 * surface->num_firstvertex, surface->num_vertices, rsurface_vertex3f + 3 * surface->num_firstvertex, &r_shadow_entitytoattenuationxyz); -#endif - GL_BlendFunc(GL_DST_ALPHA, GL_ONE); - } - else if (r_textureunits.integer >= 4) - { - // 4/2 2D combine path (Geforce3, Radeon 8500) - memset(&m, 0, sizeof(m)); - m.pointer_vertex = rsurface_vertex3f; - m.tex[0] = R_GetTexture(normalmaptexture); - m.texcombinergb[0] = GL_REPLACE; - m.pointer_texcoord[0] = surface->groupmesh->data_texcoordtexture2f; - m.texmatrix[0] = texture->currenttexmatrix; - m.texcubemap[1] = R_GetTexture(r_texture_normalizationcube); - m.texcombinergb[1] = GL_DOT3_RGBA_ARB; - m.pointer_texcoord3f[1] = varray_texcoord3f[1]; - R_Shadow_GenTexCoords_Diffuse_NormalCubeMap(varray_texcoord3f[1] + 3 * surface->num_firstvertex, surface->num_vertices, rsurface_vertex3f + 3 * surface->num_firstvertex, rsurface_svector3f + 3 * surface->num_firstvertex, rsurface_tvector3f + 3 * surface->num_firstvertex, rsurface_normal3f + 3 * surface->num_firstvertex, r_shadow_entitylightorigin); - m.tex[2] = R_GetTexture(r_shadow_attenuation2dtexture); -#ifdef USETEXMATRIX - m.pointer_texcoord3f[2] = rsurface_vertex3f; - m.texmatrix[2] = r_shadow_entitytoattenuationxyz; -#else - m.pointer_texcoord[2] = varray_texcoord2f[2]; - R_Shadow_Transform_Vertex3f_Texcoord2f(varray_texcoord2f[2] + 3 * surface->num_firstvertex, surface->num_vertices, rsurface_vertex3f + 3 * surface->num_firstvertex, &r_shadow_entitytoattenuationxyz); -#endif - m.tex[3] = R_GetTexture(r_shadow_attenuation2dtexture); -#ifdef USETEXMATRIX - m.pointer_texcoord3f[3] = rsurface_vertex3f; - m.texmatrix[3] = r_shadow_entitytoattenuationz; -#else - m.pointer_texcoord[3] = varray_texcoord2f[3]; - R_Shadow_Transform_Vertex3f_Texcoord2f(varray_texcoord2f[3] + 3 * surface->num_firstvertex, surface->num_vertices, rsurface_vertex3f + 3 * surface->num_firstvertex, &r_shadow_entitytoattenuationz); -#endif - R_Mesh_State(&m); - GL_ColorMask(0,0,0,1); - GL_BlendFunc(GL_ONE, GL_ZERO); - GL_LockArrays(surface->num_firstvertex, surface->num_vertices); - R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, elements); - GL_LockArrays(0, 0); - - memset(&m, 0, sizeof(m)); - m.pointer_vertex = rsurface_vertex3f; - m.tex[0] = R_GetTexture(basetexture); - m.pointer_texcoord[0] = surface->groupmesh->data_texcoordtexture2f; - m.texmatrix[0] = texture->currenttexmatrix; - if (r_shadow_lightcubemap != r_texture_whitecube) + newfirstvertex = min(newfirstvertex, e[1]); + newlastvertex = max(newlastvertex, e[1]); + newfirstvertex = min(newfirstvertex, e[2]); + newlastvertex = max(newlastvertex, e[2]); + newe[0] = e[0]; + newe[1] = e[1]; + newe[2] = e[2]; + newnumtriangles++; + newe += 3; + if (newnumtriangles >= (int)(sizeof(newelements)/sizeof(float[3]))) { - m.texcubemap[1] = R_GetTexture(r_shadow_lightcubemap); -#ifdef USETEXMATRIX - m.pointer_texcoord3f[1] = rsurface_vertex3f; - m.texmatrix[1] = r_shadow_entitytolight; -#else - m.pointer_texcoord3f[1] = varray_texcoord3f[1]; - R_Shadow_Transform_Vertex3f_TexCoord3f(varray_texcoord3f[1] + 3 * surface->num_firstvertex, surface->num_vertices, rsurface_vertex3f + 3 * surface->num_firstvertex, &r_shadow_entitytolight); -#endif + R_Mesh_Draw(newfirstvertex, newlastvertex - newfirstvertex + 1, newnumtriangles, newelements, 0, 0); + newnumtriangles = 0; + newe = newelements; + stop = false; } - GL_BlendFunc(GL_DST_ALPHA, GL_ONE); } + } + if (newnumtriangles >= 1) + { + // if all triangles are included, use the original array to take advantage of the bufferobject if possible + if (newnumtriangles == numtriangles) + R_Mesh_Draw(newfirstvertex, newlastvertex - newfirstvertex + 1, numtriangles, element3i, element3i_bufferobject, element3i_bufferoffset); else - { - // 2/2/2 2D combine path (any dot3 card) - memset(&m, 0, sizeof(m)); - m.pointer_vertex = rsurface_vertex3f; - m.tex[0] = R_GetTexture(r_shadow_attenuation2dtexture); -#ifdef USETEXMATRIX - m.pointer_texcoord3f[0] = rsurface_vertex3f; - m.texmatrix[0] = r_shadow_entitytoattenuationxyz; -#else - m.pointer_texcoord[0] = varray_texcoord2f[0]; - R_Shadow_Transform_Vertex3f_Texcoord2f(varray_texcoord2f[0] + 3 * surface->num_firstvertex, surface->num_vertices, rsurface_vertex3f + 3 * surface->num_firstvertex, &r_shadow_entitytoattenuationxyz); -#endif - m.tex[1] = R_GetTexture(r_shadow_attenuation2dtexture); -#ifdef USETEXMATRIX - m.pointer_texcoord3f[1] = rsurface_vertex3f; - m.texmatrix[1] = r_shadow_entitytoattenuationz; -#else - m.pointer_texcoord[1] = varray_texcoord2f[1]; - R_Shadow_Transform_Vertex3f_Texcoord2f(varray_texcoord2f[1] + 3 * surface->num_firstvertex, surface->num_vertices, rsurface_vertex3f + 3 * surface->num_firstvertex, &r_shadow_entitytoattenuationz); -#endif - R_Mesh_State(&m); - GL_ColorMask(0,0,0,1); - GL_BlendFunc(GL_ONE, GL_ZERO); - GL_LockArrays(surface->num_firstvertex, surface->num_vertices); - R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, elements); - GL_LockArrays(0, 0); - - memset(&m, 0, sizeof(m)); - m.pointer_vertex = rsurface_vertex3f; - m.tex[0] = R_GetTexture(normalmaptexture); - m.texcombinergb[0] = GL_REPLACE; - m.pointer_texcoord[0] = surface->groupmesh->data_texcoordtexture2f; - m.texmatrix[0] = texture->currenttexmatrix; - m.texcubemap[1] = R_GetTexture(r_texture_normalizationcube); - m.texcombinergb[1] = GL_DOT3_RGBA_ARB; - m.pointer_texcoord3f[1] = varray_texcoord3f[1]; - R_Shadow_GenTexCoords_Diffuse_NormalCubeMap(varray_texcoord3f[1] + 3 * surface->num_firstvertex, surface->num_vertices, rsurface_vertex3f + 3 * surface->num_firstvertex, rsurface_svector3f + 3 * surface->num_firstvertex, rsurface_tvector3f + 3 * surface->num_firstvertex, rsurface_normal3f + 3 * surface->num_firstvertex, r_shadow_entitylightorigin); - R_Mesh_State(&m); - GL_BlendFunc(GL_DST_ALPHA, GL_ZERO); - GL_LockArrays(surface->num_firstvertex, surface->num_vertices); - R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, elements); - GL_LockArrays(0, 0); - - memset(&m, 0, sizeof(m)); - m.pointer_vertex = rsurface_vertex3f; - m.tex[0] = R_GetTexture(basetexture); - m.pointer_texcoord[0] = surface->groupmesh->data_texcoordtexture2f; - m.texmatrix[0] = texture->currenttexmatrix; - if (r_shadow_lightcubemap != r_texture_whitecube) - { - m.texcubemap[1] = R_GetTexture(r_shadow_lightcubemap); -#ifdef USETEXMATRIX - m.pointer_texcoord3f[1] = rsurface_vertex3f; - m.texmatrix[1] = r_shadow_entitytolight; -#else - m.pointer_texcoord3f[1] = varray_texcoord3f[1]; - R_Shadow_Transform_Vertex3f_TexCoord3f(varray_texcoord3f[1] + 3 * surface->num_firstvertex, surface->num_vertices, rsurface_vertex3f + 3 * surface->num_firstvertex, &r_shadow_entitytolight); -#endif - } - GL_BlendFunc(GL_DST_ALPHA, GL_ONE); - } - // this final code is shared - R_Mesh_State(&m); - GL_ColorMask(r_refdef.colormask[0], r_refdef.colormask[1], r_refdef.colormask[2], 0); - VectorScale(lightcolorbase, colorscale, color2); - GL_LockArrays(surface->num_firstvertex, surface->num_vertices); - for (renders = 0;renders < 64 && (color2[0] > 0 || color2[1] > 0 || color2[2] > 0);renders++, color2[0]--, color2[1]--, color2[2]--) - { - GL_Color(bound(0, color2[0], 1), bound(0, color2[1], 1), bound(0, color2[2], 1), 1); - R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, elements); - } - GL_LockArrays(0, 0); + R_Mesh_Draw(newfirstvertex, newlastvertex - newfirstvertex + 1, newnumtriangles, newelements, 0, 0); + stop = false; } - if (dospecular) + // if we couldn't find any lit triangles, exit early + if (stop) + break; + // now reduce the intensity for the next overbright pass + // we have to clamp to 0 here incase the drivers have improper + // handling of negative colors + // (some old drivers even have improper handling of >1 color) + stop = true; + for (i = 0, c = rsurface_array_color4f + 4 * firstvertex;i < numvertices;i++, c += 4) { - // FIXME: detect blendsquare! - //if (gl_support_blendsquare) + if (c[0] > 1 || c[1] > 1 || c[2] > 1) { - colorscale = specularscale; - GL_Color(1,1,1,1); - if (r_shadow_texture3d.integer && r_textureunits.integer >= 2 && r_shadow_lightcubemap != r_texture_whitecube /* && gl_support_blendsquare*/) // FIXME: detect blendsquare! - { - // 2/0/0/1/2 3D combine blendsquare path - memset(&m, 0, sizeof(m)); - m.pointer_vertex = rsurface_vertex3f; - m.tex[0] = R_GetTexture(normalmaptexture); - m.pointer_texcoord[0] = surface->groupmesh->data_texcoordtexture2f; - m.texmatrix[0] = texture->currenttexmatrix; - m.texcubemap[1] = R_GetTexture(r_texture_normalizationcube); - m.texcombinergb[1] = GL_DOT3_RGBA_ARB; - m.pointer_texcoord3f[1] = varray_texcoord3f[1]; - R_Shadow_GenTexCoords_Specular_NormalCubeMap(varray_texcoord3f[1] + 3 * surface->num_firstvertex, surface->num_vertices, rsurface_vertex3f + 3 * surface->num_firstvertex, rsurface_svector3f + 3 * surface->num_firstvertex, rsurface_tvector3f + 3 * surface->num_firstvertex, rsurface_normal3f + 3 * surface->num_firstvertex, r_shadow_entitylightorigin, r_shadow_entityeyeorigin); - R_Mesh_State(&m); - GL_ColorMask(0,0,0,1); - // this squares the result - GL_BlendFunc(GL_SRC_ALPHA, GL_ZERO); - GL_LockArrays(surface->num_firstvertex, surface->num_vertices); - R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, elements); - GL_LockArrays(0, 0); - - memset(&m, 0, sizeof(m)); - m.pointer_vertex = rsurface_vertex3f; - R_Mesh_State(&m); - GL_LockArrays(surface->num_firstvertex, surface->num_vertices); - // square alpha in framebuffer a few times to make it shiny - GL_BlendFunc(GL_ZERO, GL_DST_ALPHA); - // these comments are a test run through this math for intensity 0.5 - // 0.5 * 0.5 = 0.25 (done by the BlendFunc earlier) - // 0.25 * 0.25 = 0.0625 (this is another pass) - // 0.0625 * 0.0625 = 0.00390625 (this is another pass) - R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, elements); - R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, elements); - GL_LockArrays(0, 0); - - memset(&m, 0, sizeof(m)); - m.pointer_vertex = rsurface_vertex3f; - m.tex3d[0] = R_GetTexture(r_shadow_attenuation3dtexture); -#ifdef USETEXMATRIX - m.pointer_texcoord3f[0] = rsurface_vertex3f; - m.texmatrix[0] = r_shadow_entitytoattenuationxyz; -#else - m.pointer_texcoord3f[0] = varray_texcoord3f[0]; - R_Shadow_Transform_Vertex3f_TexCoord3f(varray_texcoord3f[0] + 3 * surface->num_firstvertex, surface->num_vertices, rsurface_vertex3f + 3 * surface->num_firstvertex, &r_shadow_entitytoattenuationxyz); -#endif - R_Mesh_State(&m); - GL_BlendFunc(GL_DST_ALPHA, GL_ZERO); - GL_LockArrays(surface->num_firstvertex, surface->num_vertices); - R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, elements); - GL_LockArrays(0, 0); - - memset(&m, 0, sizeof(m)); - m.pointer_vertex = rsurface_vertex3f; - m.tex[0] = R_GetTexture(glosstexture); - m.pointer_texcoord[0] = surface->groupmesh->data_texcoordtexture2f; - m.texmatrix[0] = texture->currenttexmatrix; - if (r_shadow_lightcubemap != r_texture_whitecube) - { - m.texcubemap[1] = R_GetTexture(r_shadow_lightcubemap); -#ifdef USETEXMATRIX - m.pointer_texcoord3f[1] = rsurface_vertex3f; - m.texmatrix[1] = r_shadow_entitytolight; -#else - m.pointer_texcoord3f[1] = varray_texcoord3f[1]; - R_Shadow_Transform_Vertex3f_TexCoord3f(varray_texcoord3f[1] + 3 * surface->num_firstvertex, surface->num_vertices, rsurface_vertex3f + 3 * surface->num_firstvertex, &r_shadow_entitytolight); -#endif - } - GL_BlendFunc(GL_DST_ALPHA, GL_ONE); - } - else if (r_shadow_texture3d.integer && r_textureunits.integer >= 2 && r_shadow_lightcubemap == r_texture_whitecube /* && gl_support_blendsquare*/) // FIXME: detect blendsquare! - { - // 2/0/0/2 3D combine blendsquare path - memset(&m, 0, sizeof(m)); - m.pointer_vertex = rsurface_vertex3f; - m.tex[0] = R_GetTexture(normalmaptexture); - m.pointer_texcoord[0] = surface->groupmesh->data_texcoordtexture2f; - m.texmatrix[0] = texture->currenttexmatrix; - m.texcubemap[1] = R_GetTexture(r_texture_normalizationcube); - m.texcombinergb[1] = GL_DOT3_RGBA_ARB; - m.pointer_texcoord3f[1] = varray_texcoord3f[1]; - R_Shadow_GenTexCoords_Specular_NormalCubeMap(varray_texcoord3f[1] + 3 * surface->num_firstvertex, surface->num_vertices, rsurface_vertex3f + 3 * surface->num_firstvertex, rsurface_svector3f + 3 * surface->num_firstvertex, rsurface_tvector3f + 3 * surface->num_firstvertex, rsurface_normal3f + 3 * surface->num_firstvertex, r_shadow_entitylightorigin, r_shadow_entityeyeorigin); - R_Mesh_State(&m); - GL_ColorMask(0,0,0,1); - // this squares the result - GL_BlendFunc(GL_SRC_ALPHA, GL_ZERO); - GL_LockArrays(surface->num_firstvertex, surface->num_vertices); - R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, elements); - GL_LockArrays(0, 0); - - memset(&m, 0, sizeof(m)); - m.pointer_vertex = rsurface_vertex3f; - R_Mesh_State(&m); - GL_LockArrays(surface->num_firstvertex, surface->num_vertices); - // square alpha in framebuffer a few times to make it shiny - GL_BlendFunc(GL_ZERO, GL_DST_ALPHA); - // these comments are a test run through this math for intensity 0.5 - // 0.5 * 0.5 = 0.25 (done by the BlendFunc earlier) - // 0.25 * 0.25 = 0.0625 (this is another pass) - // 0.0625 * 0.0625 = 0.00390625 (this is another pass) - R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, elements); - R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, elements); - GL_LockArrays(0, 0); - - memset(&m, 0, sizeof(m)); - m.pointer_vertex = rsurface_vertex3f; - m.tex[0] = R_GetTexture(glosstexture); - m.pointer_texcoord[0] = surface->groupmesh->data_texcoordtexture2f; - m.texmatrix[0] = texture->currenttexmatrix; - m.tex3d[1] = R_GetTexture(r_shadow_attenuation3dtexture); -#ifdef USETEXMATRIX - m.pointer_texcoord3f[1] = rsurface_vertex3f; - m.texmatrix[1] = r_shadow_entitytoattenuationxyz; -#else - m.pointer_texcoord3f[1] = varray_texcoord3f[1]; - R_Shadow_Transform_Vertex3f_TexCoord3f(varray_texcoord3f[1] + 3 * surface->num_firstvertex, surface->num_vertices, rsurface_vertex3f + 3 * surface->num_firstvertex, &r_shadow_entitytoattenuationxyz); -#endif - GL_BlendFunc(GL_DST_ALPHA, GL_ONE); - } - else - { - // 2/0/0/2/2 2D combine blendsquare path - memset(&m, 0, sizeof(m)); - m.pointer_vertex = rsurface_vertex3f; - m.tex[0] = R_GetTexture(normalmaptexture); - m.pointer_texcoord[0] = surface->groupmesh->data_texcoordtexture2f; - m.texmatrix[0] = texture->currenttexmatrix; - m.texcubemap[1] = R_GetTexture(r_texture_normalizationcube); - m.texcombinergb[1] = GL_DOT3_RGBA_ARB; - m.pointer_texcoord3f[1] = varray_texcoord3f[1]; - R_Shadow_GenTexCoords_Specular_NormalCubeMap(varray_texcoord3f[1] + 3 * surface->num_firstvertex, surface->num_vertices, rsurface_vertex3f + 3 * surface->num_firstvertex, rsurface_svector3f + 3 * surface->num_firstvertex, rsurface_tvector3f + 3 * surface->num_firstvertex, rsurface_normal3f + 3 * surface->num_firstvertex, r_shadow_entitylightorigin, r_shadow_entityeyeorigin); - R_Mesh_State(&m); - GL_ColorMask(0,0,0,1); - // this squares the result - GL_BlendFunc(GL_SRC_ALPHA, GL_ZERO); - GL_LockArrays(surface->num_firstvertex, surface->num_vertices); - R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, elements); - GL_LockArrays(0, 0); - - memset(&m, 0, sizeof(m)); - m.pointer_vertex = rsurface_vertex3f; - R_Mesh_State(&m); - GL_LockArrays(surface->num_firstvertex, surface->num_vertices); - // square alpha in framebuffer a few times to make it shiny - GL_BlendFunc(GL_ZERO, GL_DST_ALPHA); - // these comments are a test run through this math for intensity 0.5 - // 0.5 * 0.5 = 0.25 (done by the BlendFunc earlier) - // 0.25 * 0.25 = 0.0625 (this is another pass) - // 0.0625 * 0.0625 = 0.00390625 (this is another pass) - R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, elements); - R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, elements); - GL_LockArrays(0, 0); - - memset(&m, 0, sizeof(m)); - m.pointer_vertex = rsurface_vertex3f; - m.tex[0] = R_GetTexture(r_shadow_attenuation2dtexture); -#ifdef USETEXMATRIX - m.pointer_texcoord3f[0] = rsurface_vertex3f; - m.texmatrix[0] = r_shadow_entitytoattenuationxyz; -#else - m.pointer_texcoord[0] = varray_texcoord2f[0]; - R_Shadow_Transform_Vertex3f_Texcoord2f(varray_texcoord2f[0] + 3 * surface->num_firstvertex, surface->num_vertices, rsurface_vertex3f + 3 * surface->num_firstvertex, &r_shadow_entitytoattenuationxyz); -#endif - m.tex[1] = R_GetTexture(r_shadow_attenuation2dtexture); -#ifdef USETEXMATRIX - m.pointer_texcoord3f[1] = rsurface_vertex3f; - m.texmatrix[1] = r_shadow_entitytoattenuationz; -#else - m.pointer_texcoord[1] = varray_texcoord2f[1]; - R_Shadow_Transform_Vertex3f_Texcoord2f(varray_texcoord2f[1] + 3 * surface->num_firstvertex, surface->num_vertices, rsurface_vertex3f + 3 * surface->num_firstvertex, &r_shadow_entitytoattenuationz); -#endif - R_Mesh_State(&m); - GL_BlendFunc(GL_DST_ALPHA, GL_ZERO); - GL_LockArrays(surface->num_firstvertex, surface->num_vertices); - R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, elements); - GL_LockArrays(0, 0); - - memset(&m, 0, sizeof(m)); - m.pointer_vertex = rsurface_vertex3f; - m.tex[0] = R_GetTexture(glosstexture); - m.pointer_texcoord[0] = surface->groupmesh->data_texcoordtexture2f; - m.texmatrix[0] = texture->currenttexmatrix; - if (r_shadow_lightcubemap != r_texture_whitecube) - { - m.texcubemap[1] = R_GetTexture(r_shadow_lightcubemap); -#ifdef USETEXMATRIX - m.pointer_texcoord3f[1] = rsurface_vertex3f; - m.texmatrix[1] = r_shadow_entitytolight; -#else - m.pointer_texcoord3f[1] = varray_texcoord3f[1]; - R_Shadow_Transform_Vertex3f_TexCoord3f(varray_texcoord3f[1] + 3 * surface->num_firstvertex, surface->num_vertices, rsurface_vertex3f + 3 * surface->num_firstvertex, &r_shadow_entitytolight); -#endif - } - GL_BlendFunc(GL_DST_ALPHA, GL_ONE); - } - R_Mesh_State(&m); - GL_ColorMask(r_refdef.colormask[0], r_refdef.colormask[1], r_refdef.colormask[2], 0); - VectorScale(lightcolorbase, colorscale, color2); - GL_LockArrays(surface->num_firstvertex, surface->num_vertices); - for (renders = 0;renders < 64 && (color2[0] > 0 || color2[1] > 0 || color2[2] > 0);renders++, color2[0]--, color2[1]--, color2[2]--) - { - GL_Color(bound(0, color2[0], 1), bound(0, color2[1], 1), bound(0, color2[2], 1), 1); - R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, elements); - } - GL_LockArrays(0, 0); + c[0] = max(0, c[0] - 1); + c[1] = max(0, c[1] - 1); + c[2] = max(0, c[2] - 1); + stop = false; } + else + VectorClear(c); } + // another check... + if (stop) + break; } } -static void R_Shadow_RenderSurfacesLighting_Light_Vertex(const entity_render_t *ent, const texture_t *texture, int numsurfaces, msurface_t **surfacelist, const vec3_t lightcolorbase, const vec3_t lightcolorpants, const vec3_t lightcolorshirt, rtexture_t *basetexture, rtexture_t *pantstexture, rtexture_t *shirttexture, rtexture_t *normalmaptexture, rtexture_t *glosstexture, float specularscale, const vec3_t modelorg) +static void R_Shadow_RenderLighting_Light_Vertex(int firstvertex, int numvertices, int numtriangles, const int *element3i, int element3i_bufferobject, size_t element3i_bufferoffset, const vec3_t lightcolorbase, const vec3_t lightcolorpants, const vec3_t lightcolorshirt, rtexture_t *basetexture, rtexture_t *pantstexture, rtexture_t *shirttexture, rtexture_t *normalmaptexture, rtexture_t *glosstexture, float ambientscale, float diffusescale, float specularscale, qboolean dopants, qboolean doshirt) { - int surfacelistindex; - int renders; - float ambientcolor2[3], diffusecolor2[3]; + // OpenGL 1.1 path (anything) + const model_t *model = rsurface_model; + float ambientcolorbase[3], diffusecolorbase[3]; + float ambientcolorpants[3], diffusecolorpants[3]; + float ambientcolorshirt[3], diffusecolorshirt[3]; rmeshstate_t m; - qboolean doambientbase = r_shadow_rtlight->ambientscale * VectorLength2(lightcolorbase) > 0.00001 && basetexture != r_texture_black; - qboolean dodiffusebase = r_shadow_rtlight->diffusescale * VectorLength2(lightcolorbase) > 0.00001 && basetexture != r_texture_black; - qboolean doambientpants = r_shadow_rtlight->ambientscale * VectorLength2(lightcolorpants) > 0.00001 && pantstexture != r_texture_black; - qboolean dodiffusepants = r_shadow_rtlight->diffusescale * VectorLength2(lightcolorpants) > 0.00001 && pantstexture != r_texture_black; - qboolean doambientshirt = r_shadow_rtlight->ambientscale * VectorLength2(lightcolorshirt) > 0.00001 && shirttexture != r_texture_black; - qboolean dodiffuseshirt = r_shadow_rtlight->diffusescale * VectorLength2(lightcolorshirt) > 0.00001 && shirttexture != r_texture_black; - //qboolean dospecular = specularscale * VectorLength2(lightcolorbase) > 0.00001 && glosstexture != r_texture_black; - // TODO: add direct pants/shirt rendering - if (doambientpants || dodiffusepants) - R_Shadow_RenderSurfacesLighting_Light_Vertex(ent, texture, numsurfaces, surfacelist, lightcolorpants, vec3_origin, vec3_origin, pantstexture, r_texture_black, r_texture_black, normalmaptexture, r_texture_black, 0, modelorg); - if (doambientshirt || dodiffuseshirt) - R_Shadow_RenderSurfacesLighting_Light_Vertex(ent, texture, numsurfaces, surfacelist, lightcolorshirt, vec3_origin, vec3_origin, shirttexture, r_texture_black, r_texture_black, normalmaptexture, r_texture_black, 0, modelorg); - if (!doambientbase && !dodiffusebase) - return; - VectorScale(lightcolorbase, r_shadow_rtlight->ambientscale, ambientcolor2); - VectorScale(lightcolorbase, r_shadow_rtlight->diffusescale, diffusecolor2); - GL_BlendFunc(GL_ONE, GL_ONE); + VectorScale(lightcolorbase, ambientscale * 2 * r_view.colorscale, ambientcolorbase); + VectorScale(lightcolorbase, diffusescale * 2 * r_view.colorscale, diffusecolorbase); + VectorScale(lightcolorpants, ambientscale * 2 * r_view.colorscale, ambientcolorpants); + VectorScale(lightcolorpants, diffusescale * 2 * r_view.colorscale, diffusecolorpants); + VectorScale(lightcolorshirt, ambientscale * 2 * r_view.colorscale, ambientcolorshirt); + VectorScale(lightcolorshirt, diffusescale * 2 * r_view.colorscale, diffusecolorshirt); + GL_BlendFunc(GL_SRC_ALPHA, GL_ONE); + R_Mesh_ColorPointer(rsurface_array_color4f, 0, 0); memset(&m, 0, sizeof(m)); m.tex[0] = R_GetTexture(basetexture); + m.texmatrix[0] = rsurface_texture->currenttexmatrix; + m.pointer_texcoord[0] = rsurface_model->surfmesh.data_texcoordtexture2f; + m.pointer_texcoord_bufferobject[0] = rsurface_model->surfmesh.vbo; + m.pointer_texcoord_bufferoffset[0] = rsurface_model->surfmesh.vbooffset_texcoordtexture2f; if (r_textureunits.integer >= 2) { - // voodoo2 + // voodoo2 or TNT m.tex[1] = R_GetTexture(r_shadow_attenuation2dtexture); -#ifdef USETEXMATRIX m.texmatrix[1] = r_shadow_entitytoattenuationxyz; -#else - m.pointer_texcoord[1] = varray_texcoord2f[1]; - R_Shadow_Transform_Vertex3f_Texcoord2f(varray_texcoord2f[1] + 3 * surface->num_firstvertex, surface->num_vertices, rsurface_vertex3f + 3 * surface->num_firstvertex, &r_shadow_entitytoattenuationxyz); -#endif + m.pointer_texcoord3f[1] = rsurface_vertex3f; + m.pointer_texcoord_bufferobject[1] = rsurface_vertex3f_bufferobject; + m.pointer_texcoord_bufferoffset[1] = rsurface_vertex3f_bufferoffset; if (r_textureunits.integer >= 3) { - // Geforce3/Radeon class but not using dot3 + // Voodoo4 or Kyro (or Geforce3/Radeon with gl_combine off) m.tex[2] = R_GetTexture(r_shadow_attenuation2dtexture); -#ifdef USETEXMATRIX m.texmatrix[2] = r_shadow_entitytoattenuationz; -#else - m.pointer_texcoord[2] = varray_texcoord2f[2]; - R_Shadow_Transform_Vertex3f_Texcoord2f(varray_texcoord2f[2] + 3 * surface->num_firstvertex, surface->num_vertices, rsurface_vertex3f + 3 * surface->num_firstvertex, &r_shadow_entitytoattenuationz); -#endif + m.pointer_texcoord3f[2] = rsurface_vertex3f; + m.pointer_texcoord_bufferobject[2] = rsurface_vertex3f_bufferobject; + m.pointer_texcoord_bufferoffset[2] = rsurface_vertex3f_bufferoffset; } } - m.pointer_color = varray_color4f; - R_Mesh_State(&m); - for (surfacelistindex = 0;surfacelistindex < numsurfaces;surfacelistindex++) + R_Mesh_TextureState(&m); + //R_Mesh_TexBind(0, R_GetTexture(basetexture)); + R_Shadow_RenderLighting_Light_Vertex_Pass(model, firstvertex, numvertices, numtriangles, element3i, element3i_bufferobject, element3i_bufferoffset, diffusecolorbase, ambientcolorbase); + if (dopants) + { + R_Mesh_TexBind(0, R_GetTexture(pantstexture)); + R_Shadow_RenderLighting_Light_Vertex_Pass(model, firstvertex, numvertices, numtriangles, element3i, element3i_bufferobject, element3i_bufferoffset, diffusecolorpants, ambientcolorpants); + } + if (doshirt) + { + R_Mesh_TexBind(0, R_GetTexture(shirttexture)); + R_Shadow_RenderLighting_Light_Vertex_Pass(model, firstvertex, numvertices, numtriangles, element3i, element3i_bufferobject, element3i_bufferoffset, diffusecolorshirt, ambientcolorshirt); + } +} + +void R_Shadow_RenderLighting(int firstvertex, int numvertices, int numtriangles, const int *element3i, int element3i_bufferobject, size_t element3i_bufferoffset) +{ + float ambientscale, diffusescale, specularscale; + vec3_t lightcolorbase, lightcolorpants, lightcolorshirt; + // calculate colors to render this texture with + lightcolorbase[0] = r_shadow_rtlight->currentcolor[0] * rsurface_texture->currentlayers[0].color[0] * rsurface_texture->currentlayers[0].color[3]; + lightcolorbase[1] = r_shadow_rtlight->currentcolor[1] * rsurface_texture->currentlayers[0].color[1] * rsurface_texture->currentlayers[0].color[3]; + lightcolorbase[2] = r_shadow_rtlight->currentcolor[2] * rsurface_texture->currentlayers[0].color[2] * rsurface_texture->currentlayers[0].color[3]; + ambientscale = r_shadow_rtlight->ambientscale; + diffusescale = r_shadow_rtlight->diffusescale; + specularscale = r_shadow_rtlight->specularscale * rsurface_texture->specularscale; + if (!r_shadow_usenormalmap.integer) + { + ambientscale += 1.0f * diffusescale; + diffusescale = 0; + specularscale = 0; + } + if ((ambientscale + diffusescale) * VectorLength2(lightcolorbase) + specularscale * VectorLength2(lightcolorbase) < (1.0f / 1048576.0f)) + return; + GL_DepthRange(0, (rsurface_texture->currentmaterialflags & MATERIALFLAG_SHORTDEPTHRANGE) ? 0.0625 : 1); + GL_DepthTest(!(rsurface_texture->currentmaterialflags & MATERIALFLAG_NODEPTHTEST)); + GL_CullFace((rsurface_texture->currentmaterialflags & MATERIALFLAG_NOCULLFACE) ? GL_NONE : GL_FRONT); // quake is backwards, this culls back faces + if (rsurface_texture->colormapping) { - const msurface_t *surface = surfacelist[surfacelistindex]; - const int *elements = surface->groupmesh->data_element3i + surface->num_firsttriangle * 3; - RSurf_SetVertexPointer(ent, texture, surface, modelorg); - if (!rsurface_svector3f) + qboolean dopants = rsurface_texture->currentskinframe->pants != NULL && VectorLength2(rsurface_colormap_pantscolor) >= (1.0f / 1048576.0f); + qboolean doshirt = rsurface_texture->currentskinframe->shirt != NULL && VectorLength2(rsurface_colormap_shirtcolor) >= (1.0f / 1048576.0f); + if (dopants) { - rsurface_svector3f = varray_svector3f; - rsurface_tvector3f = varray_tvector3f; - rsurface_normal3f = varray_normal3f; - Mod_BuildTextureVectorsAndNormals(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, rsurface_vertex3f, surface->groupmesh->data_texcoordtexture2f, surface->groupmesh->data_element3i + surface->num_firsttriangle * 3, rsurface_svector3f, rsurface_tvector3f, rsurface_normal3f, r_smoothnormals_areaweighting.integer); + lightcolorpants[0] = lightcolorbase[0] * rsurface_colormap_pantscolor[0]; + lightcolorpants[1] = lightcolorbase[1] * rsurface_colormap_pantscolor[1]; + lightcolorpants[2] = lightcolorbase[2] * rsurface_colormap_pantscolor[2]; } - // OpenGL 1.1 path (anything) - R_Mesh_TexCoordPointer(0, 2, surface->groupmesh->data_texcoordtexture2f); - R_Mesh_TexMatrix(0, &texture->currenttexmatrix); - if (r_textureunits.integer >= 2) + else + VectorClear(lightcolorpants); + if (doshirt) { - // voodoo2 or TNT -#ifdef USETEXMATRIX - R_Mesh_TexCoordPointer(1, 3, rsurface_vertex3f); -#else - R_Shadow_Transform_Vertex3f_Texcoord2f(varray_texcoord2f[1] + 3 * surface->num_firstvertex, surface->num_vertices, rsurface_vertex3f + 3 * surface->num_firstvertex, &r_shadow_entitytoattenuationxyz); -#endif - if (r_textureunits.integer >= 3) - { - // Voodoo4 or Kyro (or Geforce3/Radeon with gl_combine off) -#ifdef USETEXMATRIX - R_Mesh_TexCoordPointer(2, 3, rsurface_vertex3f); -#else - R_Shadow_Transform_Vertex3f_Texcoord2f(varray_texcoord2f[2] + 3 * surface->num_firstvertex, surface->num_vertices, rsurface_vertex3f + 3 * surface->num_firstvertex, &r_shadow_entitytoattenuationz); -#endif - } + lightcolorshirt[0] = lightcolorbase[0] * rsurface_colormap_shirtcolor[0]; + lightcolorshirt[1] = lightcolorbase[1] * rsurface_colormap_shirtcolor[1]; + lightcolorshirt[2] = lightcolorbase[2] * rsurface_colormap_shirtcolor[2]; } - R_Shadow_RenderSurfacesLighting_Light_Vertex_Shading(surface, diffusecolor2, ambientcolor2, 0, modelorg); - for (renders = 0;renders < 64 && (ambientcolor2[0] > renders || ambientcolor2[1] > renders || ambientcolor2[2] > renders || diffusecolor2[0] > renders || diffusecolor2[1] > renders || diffusecolor2[2] > renders);renders++) + else + VectorClear(lightcolorshirt); + switch (r_shadow_rendermode) { - int i; - float *c; -#if 1 - // due to low fillrate on the cards this vertex lighting path is - // designed for, we manually cull all triangles that do not - // contain a lit vertex - int draw; - const int *e; - int newnumtriangles; - int *newe; - int newelements[3072]; - draw = false; - newnumtriangles = 0; - newe = newelements; - for (i = 0, e = elements;i < surface->num_triangles;i++, e += 3) - { - if (newnumtriangles >= 1024) - { - GL_LockArrays(surface->num_firstvertex, surface->num_vertices); - R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, newnumtriangles, newelements); - GL_LockArrays(0, 0); - newnumtriangles = 0; - newe = newelements; - } - if (VectorLength2(varray_color4f + e[0] * 4) + VectorLength2(varray_color4f + e[1] * 4) + VectorLength2(varray_color4f + e[2] * 4) >= 0.01) - { - newe[0] = e[0]; - newe[1] = e[1]; - newe[2] = e[2]; - newnumtriangles++; - newe += 3; - draw = true; - } - } - if (newnumtriangles >= 1) - { - GL_LockArrays(surface->num_firstvertex, surface->num_vertices); - R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, newnumtriangles, newelements); - GL_LockArrays(0, 0); - draw = true; - } - if (!draw) - break; -#else - for (i = 0, c = varray_color4f + 4 * surface->num_firstvertex;i < surface->num_vertices;i++, c += 4) - if (VectorLength2(c)) - goto goodpass; + case R_SHADOW_RENDERMODE_VISIBLELIGHTING: + GL_DepthTest(!(rsurface_texture->currentmaterialflags & MATERIALFLAG_NODEPTHTEST) && !r_showdisabledepthtest.integer); + R_Shadow_RenderLighting_VisibleLighting(firstvertex, numvertices, numtriangles, element3i, element3i_bufferobject, element3i_bufferoffset, lightcolorbase, lightcolorpants, lightcolorshirt, rsurface_texture->basetexture, rsurface_texture->currentskinframe->pants, rsurface_texture->currentskinframe->shirt, rsurface_texture->currentskinframe->nmap, rsurface_texture->glosstexture, ambientscale, diffusescale, specularscale, dopants, doshirt); + break; + case R_SHADOW_RENDERMODE_LIGHT_GLSL: + R_Shadow_RenderLighting_Light_GLSL(firstvertex, numvertices, numtriangles, element3i, element3i_bufferobject, element3i_bufferoffset, lightcolorbase, lightcolorpants, lightcolorshirt, rsurface_texture->basetexture, rsurface_texture->currentskinframe->pants, rsurface_texture->currentskinframe->shirt, rsurface_texture->currentskinframe->nmap, rsurface_texture->glosstexture, ambientscale, diffusescale, specularscale, dopants, doshirt); + break; + case R_SHADOW_RENDERMODE_LIGHT_DOT3: + R_Shadow_RenderLighting_Light_Dot3(firstvertex, numvertices, numtriangles, element3i, element3i_bufferobject, element3i_bufferoffset, lightcolorbase, lightcolorpants, lightcolorshirt, rsurface_texture->basetexture, rsurface_texture->currentskinframe->pants, rsurface_texture->currentskinframe->shirt, rsurface_texture->currentskinframe->nmap, rsurface_texture->glosstexture, ambientscale, diffusescale, specularscale, dopants, doshirt); + break; + case R_SHADOW_RENDERMODE_LIGHT_VERTEX: + R_Shadow_RenderLighting_Light_Vertex(firstvertex, numvertices, numtriangles, element3i, element3i_bufferobject, element3i_bufferoffset, lightcolorbase, lightcolorpants, lightcolorshirt, rsurface_texture->basetexture, rsurface_texture->currentskinframe->pants, rsurface_texture->currentskinframe->shirt, rsurface_texture->currentskinframe->nmap, rsurface_texture->glosstexture, ambientscale, diffusescale, specularscale, dopants, doshirt); + break; + default: + Con_Printf("R_Shadow_RenderLighting: unknown r_shadow_rendermode %i\n", r_shadow_rendermode); break; -goodpass: - GL_LockArrays(surface->num_firstvertex, surface->num_vertices); - R_Mesh_Draw(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, elements); - GL_LockArrays(0, 0); -#endif - // now reduce the intensity for the next overbright pass - for (i = 0, c = varray_color4f + 4 * surface->num_firstvertex;i < surface->num_vertices;i++, c += 4) - { - c[0] = max(0, c[0] - 1); - c[1] = max(0, c[1] - 1); - c[2] = max(0, c[2] - 1); - } } } -} - -void R_Shadow_RenderSurfacesLighting(const entity_render_t *ent, const texture_t *texture, int numsurfaces, msurface_t **surfacelist, const vec3_t lightcolorbase, const vec3_t lightcolorpants, const vec3_t lightcolorshirt, rtexture_t *basetexture, rtexture_t *pantstexture, rtexture_t *shirttexture, rtexture_t *normalmaptexture, rtexture_t *glosstexture, float specularscale, const vec3_t modelorg) -{ - // FIXME: support MATERIALFLAG_NODEPTHTEST - switch (r_shadowstage) - { - case R_SHADOWSTAGE_VISIBLELIGHTING: - R_Shadow_RenderSurfacesLighting_VisibleLighting(ent, texture, numsurfaces, surfacelist, lightcolorbase, lightcolorpants, lightcolorshirt, basetexture, texture->skin.pants, texture->skin.shirt, texture->skin.nmap, glosstexture, specularscale, modelorg); - break; - case R_SHADOWSTAGE_LIGHT_GLSL: - R_Shadow_RenderSurfacesLighting_Light_GLSL(ent, texture, numsurfaces, surfacelist, lightcolorbase, lightcolorpants, lightcolorshirt, basetexture, texture->skin.pants, texture->skin.shirt, texture->skin.nmap, glosstexture, specularscale, modelorg); - break; - case R_SHADOWSTAGE_LIGHT_DOT3: - R_Shadow_RenderSurfacesLighting_Light_Dot3(ent, texture, numsurfaces, surfacelist, lightcolorbase, lightcolorpants, lightcolorshirt, basetexture, texture->skin.pants, texture->skin.shirt, texture->skin.nmap, glosstexture, specularscale, modelorg); - break; - case R_SHADOWSTAGE_LIGHT_VERTEX: - R_Shadow_RenderSurfacesLighting_Light_Vertex(ent, texture, numsurfaces, surfacelist, lightcolorbase, lightcolorpants, lightcolorshirt, basetexture, texture->skin.pants, texture->skin.shirt, texture->skin.nmap, glosstexture, specularscale, modelorg); - break; - default: - Con_Printf("R_Shadow_RenderLighting: unknown r_shadowstage %i\n", r_shadowstage); - break; + else + { + switch (r_shadow_rendermode) + { + case R_SHADOW_RENDERMODE_VISIBLELIGHTING: + GL_DepthTest(!(rsurface_texture->currentmaterialflags & MATERIALFLAG_NODEPTHTEST) && !r_showdisabledepthtest.integer); + R_Shadow_RenderLighting_VisibleLighting(firstvertex, numvertices, numtriangles, element3i, element3i_bufferobject, element3i_bufferoffset, lightcolorbase, vec3_origin, vec3_origin, rsurface_texture->basetexture, r_texture_black, r_texture_black, rsurface_texture->currentskinframe->nmap, rsurface_texture->glosstexture, ambientscale, diffusescale, specularscale, false, false); + break; + case R_SHADOW_RENDERMODE_LIGHT_GLSL: + R_Shadow_RenderLighting_Light_GLSL(firstvertex, numvertices, numtriangles, element3i, element3i_bufferobject, element3i_bufferoffset, lightcolorbase, vec3_origin, vec3_origin, rsurface_texture->basetexture, r_texture_black, r_texture_black, rsurface_texture->currentskinframe->nmap, rsurface_texture->glosstexture, ambientscale, diffusescale, specularscale, false, false); + break; + case R_SHADOW_RENDERMODE_LIGHT_DOT3: + R_Shadow_RenderLighting_Light_Dot3(firstvertex, numvertices, numtriangles, element3i, element3i_bufferobject, element3i_bufferoffset, lightcolorbase, vec3_origin, vec3_origin, rsurface_texture->basetexture, r_texture_black, r_texture_black, rsurface_texture->currentskinframe->nmap, rsurface_texture->glosstexture, ambientscale, diffusescale, specularscale, false, false); + break; + case R_SHADOW_RENDERMODE_LIGHT_VERTEX: + R_Shadow_RenderLighting_Light_Vertex(firstvertex, numvertices, numtriangles, element3i, element3i_bufferobject, element3i_bufferoffset, lightcolorbase, vec3_origin, vec3_origin, rsurface_texture->basetexture, r_texture_black, r_texture_black, rsurface_texture->currentskinframe->nmap, rsurface_texture->glosstexture, ambientscale, diffusescale, specularscale, false, false); + break; + default: + Con_Printf("R_Shadow_RenderLighting: unknown r_shadow_rendermode %i\n", r_shadow_rendermode); + break; + } } } -void R_RTLight_Update(dlight_t *light, int isstatic) +void R_RTLight_Update(rtlight_t *rtlight, int isstatic, matrix4x4_t *matrix, vec3_t color, int style, const char *cubemapname, qboolean shadow, vec_t corona, vec_t coronasizescale, vec_t ambientscale, vec_t diffusescale, vec_t specularscale, int flags) { - int j, k; - float scale; - rtlight_t *rtlight = &light->rtlight; + matrix4x4_t tempmatrix = *matrix; + Matrix4x4_Scale(&tempmatrix, r_shadow_lightradiusscale.value, 1); + + // if this light has been compiled before, free the associated data R_RTLight_Uncompile(rtlight); + + // clear it completely to avoid any lingering data memset(rtlight, 0, sizeof(*rtlight)); - VectorCopy(light->origin, rtlight->shadoworigin); - VectorCopy(light->color, rtlight->color); - rtlight->radius = light->radius; + // copy the properties + rtlight->matrix_lighttoworld = tempmatrix; + Matrix4x4_Invert_Simple(&rtlight->matrix_worldtolight, &tempmatrix); + Matrix4x4_OriginFromMatrix(&tempmatrix, rtlight->shadoworigin); + rtlight->radius = Matrix4x4_ScaleFromMatrix(&tempmatrix); + VectorCopy(color, rtlight->color); + rtlight->cubemapname[0] = 0; + if (cubemapname && cubemapname[0]) + strlcpy(rtlight->cubemapname, cubemapname, sizeof(rtlight->cubemapname)); + rtlight->shadow = shadow; + rtlight->corona = corona; + rtlight->style = style; + rtlight->isstatic = isstatic; + rtlight->coronasizescale = coronasizescale; + rtlight->ambientscale = ambientscale; + rtlight->diffusescale = diffusescale; + rtlight->specularscale = specularscale; + rtlight->flags = flags; + + // compute derived data //rtlight->cullradius = rtlight->radius; //rtlight->cullradius2 = rtlight->radius * rtlight->radius; rtlight->cullmins[0] = rtlight->shadoworigin[0] - rtlight->radius; @@ -2556,39 +2366,15 @@ void R_RTLight_Update(dlight_t *light, int isstatic) rtlight->cullmaxs[0] = rtlight->shadoworigin[0] + rtlight->radius; rtlight->cullmaxs[1] = rtlight->shadoworigin[1] + rtlight->radius; rtlight->cullmaxs[2] = rtlight->shadoworigin[2] + rtlight->radius; - rtlight->cubemapname[0] = 0; - if (light->cubemapname[0]) - strcpy(rtlight->cubemapname, light->cubemapname); - else if (light->cubemapnum > 0) - sprintf(rtlight->cubemapname, "cubemaps/%i", light->cubemapnum); - rtlight->shadow = light->shadow; - rtlight->corona = light->corona; - rtlight->style = light->style; - rtlight->isstatic = isstatic; - rtlight->coronasizescale = light->coronasizescale; - rtlight->ambientscale = light->ambientscale; - rtlight->diffusescale = light->diffusescale; - rtlight->specularscale = light->specularscale; - rtlight->flags = light->flags; - Matrix4x4_Invert_Simple(&rtlight->matrix_worldtolight, &light->matrix); - // ConcatScale won't work here because this needs to scale rotate and - // translate, not just rotate - scale = 1.0f / rtlight->radius; - for (k = 0;k < 3;k++) - for (j = 0;j < 4;j++) - rtlight->matrix_worldtolight.m[k][j] *= scale; - - rtlight->lightmap_cullradius = bound(0, rtlight->radius, 2048.0f); - rtlight->lightmap_cullradius2 = rtlight->lightmap_cullradius * rtlight->lightmap_cullradius; - VectorScale(rtlight->color, rtlight->radius * (rtlight->style >= 0 ? r_refdef.lightstylevalue[rtlight->style] : 128) * 0.125f, rtlight->lightmap_light); - rtlight->lightmap_subtract = 1.0f / rtlight->lightmap_cullradius2; } // compiles rtlight geometry // (undone by R_FreeCompiledRTLight, which R_UpdateLight calls) void R_RTLight_Compile(rtlight_t *rtlight) { - int shadowmeshes, shadowtris, numleafs, numleafpvsbytes, numsurfaces; + int i; + int numsurfaces, numleafs, numleafpvsbytes, numshadowtrispvsbytes, numlighttrispvsbytes; + int lighttris, shadowtris, shadowmeshes, shadowmeshtris; entity_render_t *ent = r_refdef.worldentity; model_t *model = r_refdef.worldmodel; unsigned char *data; @@ -2612,24 +2398,34 @@ void R_RTLight_Compile(rtlight_t *rtlight) { // this variable must be set for the CompileShadowVolume code r_shadow_compilingrtlight = rtlight; - R_Shadow_EnlargeLeafSurfaceBuffer(model->brush.num_leafs, model->num_surfaces); - model->GetLightInfo(ent, rtlight->shadoworigin, rtlight->radius, rtlight->cullmins, rtlight->cullmaxs, r_shadow_buffer_leaflist, r_shadow_buffer_leafpvs, &numleafs, r_shadow_buffer_surfacelist, r_shadow_buffer_surfacepvs, &numsurfaces); + R_Shadow_EnlargeLeafSurfaceTrisBuffer(model->brush.num_leafs, model->num_surfaces, model->brush.shadowmesh ? model->brush.shadowmesh->numtriangles : model->surfmesh.num_triangles, model->surfmesh.num_triangles); + model->GetLightInfo(ent, rtlight->shadoworigin, rtlight->radius, rtlight->cullmins, rtlight->cullmaxs, r_shadow_buffer_leaflist, r_shadow_buffer_leafpvs, &numleafs, r_shadow_buffer_surfacelist, r_shadow_buffer_surfacepvs, &numsurfaces, r_shadow_buffer_shadowtrispvs, r_shadow_buffer_lighttrispvs); numleafpvsbytes = (model->brush.num_leafs + 7) >> 3; - data = (unsigned char *)Mem_Alloc(r_shadow_mempool, sizeof(int) * numleafs + numleafpvsbytes + sizeof(int) * numsurfaces); + numshadowtrispvsbytes = ((model->brush.shadowmesh ? model->brush.shadowmesh->numtriangles : model->surfmesh.num_triangles) + 7) >> 3; + numlighttrispvsbytes = (model->surfmesh.num_triangles + 7) >> 3; + data = (unsigned char *)Mem_Alloc(r_main_mempool, sizeof(int) * numsurfaces + sizeof(int) * numleafs + numleafpvsbytes + numshadowtrispvsbytes + numlighttrispvsbytes); + rtlight->static_numsurfaces = numsurfaces; + rtlight->static_surfacelist = (int *)data;data += sizeof(int) * numsurfaces; rtlight->static_numleafs = numleafs; - rtlight->static_numleafpvsbytes = numleafpvsbytes; rtlight->static_leaflist = (int *)data;data += sizeof(int) * numleafs; + rtlight->static_numleafpvsbytes = numleafpvsbytes; rtlight->static_leafpvs = (unsigned char *)data;data += numleafpvsbytes; - rtlight->static_numsurfaces = numsurfaces; - rtlight->static_surfacelist = (int *)data;data += sizeof(int) * numsurfaces; - if (numleafs) + rtlight->static_numshadowtrispvsbytes = numshadowtrispvsbytes; + rtlight->static_shadowtrispvs = (unsigned char *)data;data += numshadowtrispvsbytes; + rtlight->static_numlighttrispvsbytes = numlighttrispvsbytes; + rtlight->static_lighttrispvs = (unsigned char *)data;data += numlighttrispvsbytes; + if (rtlight->static_numsurfaces) + memcpy(rtlight->static_surfacelist, r_shadow_buffer_surfacelist, rtlight->static_numsurfaces * sizeof(*rtlight->static_surfacelist)); + if (rtlight->static_numleafs) memcpy(rtlight->static_leaflist, r_shadow_buffer_leaflist, rtlight->static_numleafs * sizeof(*rtlight->static_leaflist)); - if (numleafpvsbytes) + if (rtlight->static_numleafpvsbytes) memcpy(rtlight->static_leafpvs, r_shadow_buffer_leafpvs, rtlight->static_numleafpvsbytes); - if (numsurfaces) - memcpy(rtlight->static_surfacelist, r_shadow_buffer_surfacelist, rtlight->static_numsurfaces * sizeof(*rtlight->static_surfacelist)); + if (rtlight->static_numshadowtrispvsbytes) + memcpy(rtlight->static_shadowtrispvs, r_shadow_buffer_shadowtrispvs, rtlight->static_numshadowtrispvsbytes); + if (rtlight->static_numlighttrispvsbytes) + memcpy(rtlight->static_lighttrispvs, r_shadow_buffer_lighttrispvs, rtlight->static_numlighttrispvsbytes); if (model->CompileShadowVolume && rtlight->shadow) - model->CompileShadowVolume(ent, rtlight->shadoworigin, rtlight->radius, numsurfaces, r_shadow_buffer_surfacelist); + model->CompileShadowVolume(ent, rtlight->shadoworigin, NULL, rtlight->radius, numsurfaces, r_shadow_buffer_surfacelist); // now we're done compiling the rtlight r_shadow_compilingrtlight = NULL; } @@ -2640,18 +2436,31 @@ void R_RTLight_Compile(rtlight_t *rtlight) //rtlight->cullradius = min(rtlight->cullradius, rtlight->radius); shadowmeshes = 0; - shadowtris = 0; + shadowmeshtris = 0; if (rtlight->static_meshchain_shadow) { shadowmesh_t *mesh; for (mesh = rtlight->static_meshchain_shadow;mesh;mesh = mesh->next) { shadowmeshes++; - shadowtris += mesh->numtriangles; + shadowmeshtris += mesh->numtriangles; } } - Con_DPrintf("static light built: %f %f %f : %f %f %f box, %i shadow volume triangles (in %i meshes)\n", rtlight->cullmins[0], rtlight->cullmins[1], rtlight->cullmins[2], rtlight->cullmaxs[0], rtlight->cullmaxs[1], rtlight->cullmaxs[2], shadowtris, shadowmeshes); + lighttris = 0; + if (rtlight->static_numlighttrispvsbytes) + for (i = 0;i < rtlight->static_numlighttrispvsbytes*8;i++) + if (CHECKPVSBIT(rtlight->static_lighttrispvs, i)) + lighttris++; + + shadowtris = 0; + if (rtlight->static_numlighttrispvsbytes) + for (i = 0;i < rtlight->static_numshadowtrispvsbytes*8;i++) + if (CHECKPVSBIT(rtlight->static_shadowtrispvs, i)) + shadowtris++; + + if (developer.integer >= 10) + Con_Printf("static light built: %f %f %f : %f %f %f box, %i light triangles, %i shadow triangles, %i compiled shadow volume triangles (in %i meshes)\n", rtlight->cullmins[0], rtlight->cullmins[1], rtlight->cullmins[2], rtlight->cullmaxs[0], rtlight->cullmaxs[1], rtlight->cullmaxs[2], lighttris, shadowtris, shadowmeshtris, shadowmeshes); } void R_RTLight_Uncompile(rtlight_t *rtlight) @@ -2662,14 +2471,18 @@ void R_RTLight_Uncompile(rtlight_t *rtlight) Mod_ShadowMesh_Free(rtlight->static_meshchain_shadow); rtlight->static_meshchain_shadow = NULL; // these allocations are grouped - if (rtlight->static_leaflist) - Mem_Free(rtlight->static_leaflist); + if (rtlight->static_surfacelist) + Mem_Free(rtlight->static_surfacelist); rtlight->static_numleafs = 0; rtlight->static_numleafpvsbytes = 0; rtlight->static_leaflist = NULL; rtlight->static_leafpvs = NULL; rtlight->static_numsurfaces = 0; rtlight->static_surfacelist = NULL; + rtlight->static_numshadowtrispvsbytes = 0; + rtlight->static_shadowtrispvs = NULL; + rtlight->static_numlighttrispvsbytes = 0; + rtlight->static_lighttrispvs = NULL; rtlight->compiled = false; } } @@ -2681,132 +2494,313 @@ void R_Shadow_UncompileWorldLights(void) R_RTLight_Uncompile(&light->rtlight); } -void R_Shadow_DrawEntityShadow(entity_render_t *ent, rtlight_t *rtlight, int numsurfaces, int *surfacelist) +void R_Shadow_ComputeShadowCasterCullingPlanes(rtlight_t *rtlight) { - vec3_t relativeshadoworigin, relativeshadowmins, relativeshadowmaxs; - vec_t relativeshadowradius; - if (ent == r_refdef.worldentity) + int i, j; + mplane_t plane; + // reset the count of frustum planes + // see r_shadow_rtlight_frustumplanes definition for how much this array + // can hold + r_shadow_rtlight_numfrustumplanes = 0; + +#if 1 + // generate a deformed frustum that includes the light origin, this is + // used to cull shadow casting surfaces that can not possibly cast a + // shadow onto the visible light-receiving surfaces, which can be a + // performance gain + // + // if the light origin is onscreen the result will be 4 planes exactly + // if the light origin is offscreen on only one axis the result will + // be exactly 5 planes (split-side case) + // if the light origin is offscreen on two axes the result will be + // exactly 4 planes (stretched corner case) + for (i = 0;i < 4;i++) + { + // quickly reject standard frustum planes that put the light + // origin outside the frustum + if (PlaneDiff(rtlight->shadoworigin, &r_view.frustum[i]) < -0.03125) + continue; + // copy the plane + r_shadow_rtlight_frustumplanes[r_shadow_rtlight_numfrustumplanes++] = r_view.frustum[i]; + } + // if all the standard frustum planes were accepted, the light is onscreen + // otherwise we need to generate some more planes below... + if (r_shadow_rtlight_numfrustumplanes < 4) { - if (rtlight->compiled && r_shadow_realtime_world_compile.integer && r_shadow_realtime_world_compileshadow.integer) + // at least one of the stock frustum planes failed, so we need to + // create one or two custom planes to enclose the light origin + for (i = 0;i < 4;i++) { - shadowmesh_t *mesh; - R_Mesh_Matrix(&ent->matrix); - for (mesh = rtlight->static_meshchain_shadow;mesh;mesh = mesh->next) + // create a plane using the view origin and light origin, and a + // single point from the frustum corner set + TriangleNormal(r_view.origin, r_view.frustumcorner[i], rtlight->shadoworigin, plane.normal); + VectorNormalize(plane.normal); + plane.dist = DotProduct(r_view.origin, plane.normal); + // see if this plane is backwards and flip it if so + for (j = 0;j < 4;j++) + if (j != i && DotProduct(r_view.frustumcorner[j], plane.normal) - plane.dist < -0.03125) + break; + if (j < 4) { - renderstats.lights_shadowtriangles += mesh->numtriangles; - R_Mesh_VertexPointer(mesh->vertex3f); - GL_LockArrays(0, mesh->numverts); - if (r_shadowstage == R_SHADOWSTAGE_STENCIL) - { - // decrement stencil if backface is behind depthbuffer - qglCullFace(GL_BACK); // quake is backwards, this culls front faces - qglStencilOp(GL_KEEP, GL_DECR, GL_KEEP); - R_Mesh_Draw(0, mesh->numverts, mesh->numtriangles, mesh->element3i); - // increment stencil if frontface is behind depthbuffer - qglCullFace(GL_FRONT); // quake is backwards, this culls back faces - qglStencilOp(GL_KEEP, GL_INCR, GL_KEEP); - } - R_Mesh_Draw(0, mesh->numverts, mesh->numtriangles, mesh->element3i); - GL_LockArrays(0, 0); + VectorNegate(plane.normal, plane.normal); + plane.dist *= -1; + // flipped plane, test again to see if it is now valid + for (j = 0;j < 4;j++) + if (j != i && DotProduct(r_view.frustumcorner[j], plane.normal) - plane.dist < -0.03125) + break; + // if the plane is still not valid, then it is dividing the + // frustum and has to be rejected + if (j < 4) + continue; } + // we have created a valid plane, compute extra info + PlaneClassify(&plane); + // copy the plane + r_shadow_rtlight_frustumplanes[r_shadow_rtlight_numfrustumplanes++] = plane; +#if 1 + // if we've found 5 frustum planes then we have constructed a + // proper split-side case and do not need to keep searching for + // planes to enclose the light origin + if (r_shadow_rtlight_numfrustumplanes == 5) + break; +#endif } - else if (numsurfaces) + } +#endif + +#if 0 + for (i = 0;i < r_shadow_rtlight_numfrustumplanes;i++) + { + plane = r_shadow_rtlight_frustumplanes[i]; + Con_Printf("light %p plane #%i %f %f %f : %f (%f %f %f %f %f)\n", rtlight, i, plane.normal[0], plane.normal[1], plane.normal[2], plane.dist, PlaneDiff(r_view.frustumcorner[0], &plane), PlaneDiff(r_view.frustumcorner[1], &plane), PlaneDiff(r_view.frustumcorner[2], &plane), PlaneDiff(r_view.frustumcorner[3], &plane), PlaneDiff(rtlight->shadoworigin, &plane)); + } +#endif + +#if 0 + // now add the light-space box planes if the light box is rotated, as any + // caster outside the oriented light box is irrelevant (even if it passed + // the worldspace light box, which is axial) + if (rtlight->matrix_lighttoworld.m[0][0] != 1 || rtlight->matrix_lighttoworld.m[1][1] != 1 || rtlight->matrix_lighttoworld.m[2][2] != 1) + { + for (i = 0;i < 6;i++) { - R_Mesh_Matrix(&ent->matrix); - ent->model->DrawShadowVolume(ent, rtlight->shadoworigin, rtlight->radius, numsurfaces, surfacelist, rtlight->cullmins, rtlight->cullmaxs); + vec3_t v; + VectorClear(v); + v[i >> 1] = (i & 1) ? -1 : 1; + Matrix4x4_Transform(&rtlight->matrix_lighttoworld, v, plane.normal); + VectorSubtract(plane.normal, rtlight->shadoworigin, plane.normal); + plane.dist = VectorNormalizeLength(plane.normal); + plane.dist += DotProduct(plane.normal, rtlight->shadoworigin); + r_shadow_rtlight_frustumplanes[r_shadow_rtlight_numfrustumplanes++] = plane; } } - else +#endif + +#if 0 + // add the world-space reduced box planes + for (i = 0;i < 6;i++) + { + VectorClear(plane.normal); + plane.normal[i >> 1] = (i & 1) ? -1 : 1; + plane.dist = (i & 1) ? -r_shadow_rtlight_cullmaxs[i >> 1] : r_shadow_rtlight_cullmins[i >> 1]; + r_shadow_rtlight_frustumplanes[r_shadow_rtlight_numfrustumplanes++] = plane; + } +#endif + +#if 0 { - Matrix4x4_Transform(&ent->inversematrix, rtlight->shadoworigin, relativeshadoworigin); - relativeshadowradius = rtlight->radius / ent->scale; - relativeshadowmins[0] = relativeshadoworigin[0] - relativeshadowradius; - relativeshadowmins[1] = relativeshadoworigin[1] - relativeshadowradius; - relativeshadowmins[2] = relativeshadoworigin[2] - relativeshadowradius; - relativeshadowmaxs[0] = relativeshadoworigin[0] + relativeshadowradius; - relativeshadowmaxs[1] = relativeshadoworigin[1] + relativeshadowradius; - relativeshadowmaxs[2] = relativeshadoworigin[2] + relativeshadowradius; - R_Mesh_Matrix(&ent->matrix); - ent->model->DrawShadowVolume(ent, relativeshadoworigin, relativeshadowradius, ent->model->nummodelsurfaces, ent->model->surfacelist, relativeshadowmins, relativeshadowmaxs); + int j, oldnum; + vec3_t points[8]; + vec_t bestdist; + // reduce all plane distances to tightly fit the rtlight cull box, which + // is in worldspace + VectorSet(points[0], r_shadow_rtlight_cullmins[0], r_shadow_rtlight_cullmins[1], r_shadow_rtlight_cullmins[2]); + VectorSet(points[1], r_shadow_rtlight_cullmaxs[0], r_shadow_rtlight_cullmins[1], r_shadow_rtlight_cullmins[2]); + VectorSet(points[2], r_shadow_rtlight_cullmins[0], r_shadow_rtlight_cullmaxs[1], r_shadow_rtlight_cullmins[2]); + VectorSet(points[3], r_shadow_rtlight_cullmaxs[0], r_shadow_rtlight_cullmaxs[1], r_shadow_rtlight_cullmins[2]); + VectorSet(points[4], r_shadow_rtlight_cullmins[0], r_shadow_rtlight_cullmins[1], r_shadow_rtlight_cullmaxs[2]); + VectorSet(points[5], r_shadow_rtlight_cullmaxs[0], r_shadow_rtlight_cullmins[1], r_shadow_rtlight_cullmaxs[2]); + VectorSet(points[6], r_shadow_rtlight_cullmins[0], r_shadow_rtlight_cullmaxs[1], r_shadow_rtlight_cullmaxs[2]); + VectorSet(points[7], r_shadow_rtlight_cullmaxs[0], r_shadow_rtlight_cullmaxs[1], r_shadow_rtlight_cullmaxs[2]); + oldnum = r_shadow_rtlight_numfrustumplanes; + r_shadow_rtlight_numfrustumplanes = 0; + for (j = 0;j < oldnum;j++) + { + // find the nearest point on the box to this plane + bestdist = DotProduct(r_shadow_rtlight_frustumplanes[j].normal, points[0]); + for (i = 1;i < 8;i++) + { + dist = DotProduct(r_shadow_rtlight_frustumplanes[j].normal, points[i]); + if (bestdist > dist) + bestdist = dist; + } + Con_Printf("light %p %splane #%i %f %f %f : %f < %f\n", rtlight, r_shadow_rtlight_frustumplanes[j].dist < bestdist + 0.03125 ? "^2" : "^1", j, r_shadow_rtlight_frustumplanes[j].normal[0], r_shadow_rtlight_frustumplanes[j].normal[1], r_shadow_rtlight_frustumplanes[j].normal[2], r_shadow_rtlight_frustumplanes[j].dist, bestdist); + // if the nearest point is near or behind the plane, we want this + // plane, otherwise the plane is useless as it won't cull anything + if (r_shadow_rtlight_frustumplanes[j].dist < bestdist + 0.03125) + { + PlaneClassify(&r_shadow_rtlight_frustumplanes[j]); + r_shadow_rtlight_frustumplanes[r_shadow_rtlight_numfrustumplanes++] = r_shadow_rtlight_frustumplanes[j]; + } + } } +#endif } -void R_Shadow_DrawEntityLight(entity_render_t *ent, rtlight_t *rtlight, vec3_t lightcolor, int numsurfaces, int *surfacelist) +void R_Shadow_DrawWorldShadow(int numsurfaces, int *surfacelist, const unsigned char *trispvs) { - // set up properties for rendering light onto this entity - r_shadow_entitylightcolorbase[0] = lightcolor[0] * ent->colormod[0] * ent->alpha; - r_shadow_entitylightcolorbase[1] = lightcolor[1] * ent->colormod[1] * ent->alpha; - r_shadow_entitylightcolorbase[2] = lightcolor[2] * ent->colormod[2] * ent->alpha; - r_shadow_entitylightcolorpants[0] = lightcolor[0] * ent->colormap_pantscolor[0] * ent->alpha; - r_shadow_entitylightcolorpants[1] = lightcolor[1] * ent->colormap_pantscolor[1] * ent->alpha; - r_shadow_entitylightcolorpants[2] = lightcolor[2] * ent->colormap_pantscolor[2] * ent->alpha; - r_shadow_entitylightcolorshirt[0] = lightcolor[0] * ent->colormap_shirtcolor[0] * ent->alpha; - r_shadow_entitylightcolorshirt[1] = lightcolor[1] * ent->colormap_shirtcolor[1] * ent->alpha; - r_shadow_entitylightcolorshirt[2] = lightcolor[2] * ent->colormap_shirtcolor[2] * ent->alpha; - Matrix4x4_Concat(&r_shadow_entitytolight, &rtlight->matrix_worldtolight, &ent->matrix); - Matrix4x4_Concat(&r_shadow_entitytoattenuationxyz, &matrix_attenuationxyz, &r_shadow_entitytolight); - Matrix4x4_Concat(&r_shadow_entitytoattenuationz, &matrix_attenuationz, &r_shadow_entitytolight); - Matrix4x4_Transform(&ent->inversematrix, rtlight->shadoworigin, r_shadow_entitylightorigin); - Matrix4x4_Transform(&ent->inversematrix, r_vieworigin, r_shadow_entityeyeorigin); - R_Mesh_Matrix(&ent->matrix); - if (r_shadowstage == R_SHADOWSTAGE_LIGHT_GLSL) + RSurf_ActiveWorldEntity(); + if (r_shadow_rtlight->compiled && r_shadow_realtime_world_compile.integer && r_shadow_realtime_world_compileshadow.integer) { - R_Mesh_TexBindCubeMap(3, R_GetTexture(r_shadow_lightcubemap)); - R_Mesh_TexMatrix(3, &r_shadow_entitytolight); - qglUniform3fARB(qglGetUniformLocationARB(r_shadow_lightprog, "LightPosition"), r_shadow_entitylightorigin[0], r_shadow_entitylightorigin[1], r_shadow_entitylightorigin[2]);CHECKGLERROR - if (r_shadow_lightpermutation & (SHADERPERMUTATION_SPECULAR | SHADERPERMUTATION_FOG | SHADERPERMUTATION_OFFSETMAPPING)) + shadowmesh_t *mesh; + CHECKGLERROR + for (mesh = r_shadow_rtlight->static_meshchain_shadow;mesh;mesh = mesh->next) + { + r_refdef.stats.lights_shadowtriangles += mesh->numtriangles; + R_Mesh_VertexPointer(mesh->vertex3f, mesh->vbo, mesh->vbooffset_vertex3f); + GL_LockArrays(0, mesh->numverts); + if (r_shadow_rendermode == R_SHADOW_RENDERMODE_STENCIL) + { + // decrement stencil if backface is behind depthbuffer + GL_CullFace(GL_BACK); // quake is backwards, this culls front faces + qglStencilOp(GL_KEEP, GL_DECR, GL_KEEP);CHECKGLERROR + R_Mesh_Draw(0, mesh->numverts, mesh->numtriangles, mesh->element3i, mesh->ebo, 0); + // increment stencil if frontface is behind depthbuffer + GL_CullFace(GL_FRONT); // quake is backwards, this culls back faces + qglStencilOp(GL_KEEP, GL_INCR, GL_KEEP);CHECKGLERROR + } + R_Mesh_Draw(0, mesh->numverts, mesh->numtriangles, mesh->element3i, mesh->ebo, 0); + GL_LockArrays(0, 0); + } + CHECKGLERROR + } + else if (numsurfaces && r_refdef.worldmodel->brush.shadowmesh && r_shadow_culltriangles.integer) + { + int t, tend; + int surfacelistindex; + msurface_t *surface; + R_Shadow_PrepareShadowMark(r_refdef.worldmodel->brush.shadowmesh->numtriangles); + for (surfacelistindex = 0;surfacelistindex < numsurfaces;surfacelistindex++) { - qglUniform3fARB(qglGetUniformLocationARB(r_shadow_lightprog, "EyePosition"), r_shadow_entityeyeorigin[0], r_shadow_entityeyeorigin[1], r_shadow_entityeyeorigin[2]);CHECKGLERROR + surface = r_refdef.worldmodel->data_surfaces + surfacelist[surfacelistindex]; + for (t = surface->num_firstshadowmeshtriangle, tend = t + surface->num_triangles;t < tend;t++) + if (CHECKPVSBIT(trispvs, t)) + shadowmarklist[numshadowmark++] = t; } + R_Shadow_VolumeFromList(r_refdef.worldmodel->brush.shadowmesh->numverts, r_refdef.worldmodel->brush.shadowmesh->numtriangles, r_refdef.worldmodel->brush.shadowmesh->vertex3f, r_refdef.worldmodel->brush.shadowmesh->element3i, r_refdef.worldmodel->brush.shadowmesh->neighbor3i, r_shadow_rtlight->shadoworigin, NULL, r_shadow_rtlight->radius + r_refdef.worldmodel->radius*2 + r_shadow_projectdistance.value, numshadowmark, shadowmarklist); } - if (ent == r_refdef.worldentity) - ent->model->DrawLight(ent, r_shadow_entitylightcolorbase, r_shadow_entitylightcolorpants, r_shadow_entitylightcolorshirt, numsurfaces, surfacelist); - else - ent->model->DrawLight(ent, r_shadow_entitylightcolorbase, r_shadow_entitylightcolorpants, r_shadow_entitylightcolorshirt, ent->model->nummodelsurfaces, ent->model->surfacelist); + else if (numsurfaces) + r_refdef.worldmodel->DrawShadowVolume(r_refdef.worldentity, r_shadow_rtlight->shadoworigin, NULL, r_shadow_rtlight->radius, numsurfaces, surfacelist, r_shadow_rtlight_cullmins, r_shadow_rtlight_cullmaxs); +} + +void R_Shadow_DrawEntityShadow(entity_render_t *ent) +{ + vec3_t relativeshadoworigin, relativeshadowmins, relativeshadowmaxs; + vec_t relativeshadowradius; + RSurf_ActiveModelEntity(ent, false, false); + Matrix4x4_Transform(&ent->inversematrix, r_shadow_rtlight->shadoworigin, relativeshadoworigin); + relativeshadowradius = r_shadow_rtlight->radius / ent->scale; + relativeshadowmins[0] = relativeshadoworigin[0] - relativeshadowradius; + relativeshadowmins[1] = relativeshadoworigin[1] - relativeshadowradius; + relativeshadowmins[2] = relativeshadoworigin[2] - relativeshadowradius; + relativeshadowmaxs[0] = relativeshadoworigin[0] + relativeshadowradius; + relativeshadowmaxs[1] = relativeshadoworigin[1] + relativeshadowradius; + relativeshadowmaxs[2] = relativeshadoworigin[2] + relativeshadowradius; + ent->model->DrawShadowVolume(ent, relativeshadoworigin, NULL, relativeshadowradius, ent->model->nummodelsurfaces, ent->model->surfacelist, relativeshadowmins, relativeshadowmaxs); +} + +void R_Shadow_SetupEntityLight(const entity_render_t *ent) +{ + // set up properties for rendering light onto this entity + RSurf_ActiveModelEntity(ent, true, true); + Matrix4x4_Concat(&r_shadow_entitytolight, &r_shadow_rtlight->matrix_worldtolight, &ent->matrix); + Matrix4x4_Concat(&r_shadow_entitytoattenuationxyz, &matrix_attenuationxyz, &r_shadow_entitytolight); + Matrix4x4_Concat(&r_shadow_entitytoattenuationz, &matrix_attenuationz, &r_shadow_entitytolight); + Matrix4x4_Transform(&ent->inversematrix, r_shadow_rtlight->shadoworigin, r_shadow_entitylightorigin); + if (r_shadow_lightingrendermode == R_SHADOW_RENDERMODE_LIGHT_GLSL) + R_Mesh_TexMatrix(3, &r_shadow_entitytolight); +} + +void R_Shadow_DrawWorldLight(int numsurfaces, int *surfacelist, const unsigned char *trispvs) +{ + if (!r_refdef.worldmodel->DrawLight) + return; + + // set up properties for rendering light onto this entity + RSurf_ActiveWorldEntity(); + r_shadow_entitytolight = r_shadow_rtlight->matrix_worldtolight; + Matrix4x4_Concat(&r_shadow_entitytoattenuationxyz, &matrix_attenuationxyz, &r_shadow_entitytolight); + Matrix4x4_Concat(&r_shadow_entitytoattenuationz, &matrix_attenuationz, &r_shadow_entitytolight); + VectorCopy(r_shadow_rtlight->shadoworigin, r_shadow_entitylightorigin); + if (r_shadow_lightingrendermode == R_SHADOW_RENDERMODE_LIGHT_GLSL) + R_Mesh_TexMatrix(3, &r_shadow_entitytolight); + + r_refdef.worldmodel->DrawLight(r_refdef.worldentity, numsurfaces, surfacelist, trispvs); +} + +void R_Shadow_DrawEntityLight(entity_render_t *ent, int numsurfaces, int *surfacelist) +{ + model_t *model = ent->model; + if (!model->DrawLight) + return; + + R_Shadow_SetupEntityLight(ent); + + model->DrawLight(ent, model->nummodelsurfaces, model->surfacelist, NULL); } void R_DrawRTLight(rtlight_t *rtlight, qboolean visible) { - int i, usestencil; + int i; float f; - vec3_t lightcolor; int numleafs, numsurfaces; int *leaflist, *surfacelist; - unsigned char *leafpvs; + unsigned char *leafpvs, *shadowtrispvs, *lighttrispvs; int numlightentities; + int numlightentities_noselfshadow; int numshadowentities; + int numshadowentities_noselfshadow; entity_render_t *lightentities[MAX_EDICTS]; + entity_render_t *lightentities_noselfshadow[MAX_EDICTS]; entity_render_t *shadowentities[MAX_EDICTS]; + entity_render_t *shadowentities_noselfshadow[MAX_EDICTS]; - // skip lights that don't light (corona only lights) - if (rtlight->ambientscale + rtlight->diffusescale + rtlight->specularscale < (1.0f / 32768.0f)) + // skip lights that don't light because of ambientscale+diffusescale+specularscale being 0 (corona only lights) + // skip lights that are basically invisible (color 0 0 0) + if (VectorLength2(rtlight->color) * (rtlight->ambientscale + rtlight->diffusescale + rtlight->specularscale) < (1.0f / 1048576.0f)) return; + // loading is done before visibility checks because loading should happen + // all at once at the start of a level, not when it stalls gameplay. + // (especially important to benchmarks) + // compile light + if (rtlight->isstatic && !rtlight->compiled && r_shadow_realtime_world_compile.integer) + R_RTLight_Compile(rtlight); + // load cubemap + rtlight->currentcubemap = rtlight->cubemapname[0] ? R_Shadow_Cubemap(rtlight->cubemapname) : r_texture_whitecube; + + // look up the light style value at this time f = (rtlight->style >= 0 ? r_refdef.lightstylevalue[rtlight->style] : 128) * (1.0f / 256.0f) * r_shadow_lightintensityscale.value; - VectorScale(rtlight->color, f, lightcolor); - if (VectorLength2(lightcolor) < (1.0f / 32768.0f)) - return; + VectorScale(rtlight->color, f, rtlight->currentcolor); /* if (rtlight->selected) { f = 2 + sin(realtime * M_PI * 4.0); - VectorScale(lightcolor, f, lightcolor); + VectorScale(rtlight->currentcolor, f, rtlight->currentcolor); } */ - // loading is done before visibility checks because loading should happen - // all at once at the start of a level, not when it stalls gameplay. - // (especially important to benchmarks) - // compile light - if (rtlight->isstatic && !rtlight->compiled && r_shadow_realtime_world_compile.integer) - R_RTLight_Compile(rtlight); - // load cubemap - r_shadow_lightcubemap = rtlight->cubemapname[0] ? R_Shadow_Cubemap(rtlight->cubemapname) : r_texture_whitecube; + // if lightstyle is currently off, don't draw the light + if (VectorLength2(rtlight->currentcolor) < (1.0f / 1048576.0f)) + return; // if the light box is offscreen, skip it if (R_CullBox(rtlight->cullmins, rtlight->cullmaxs)) return; + VectorCopy(rtlight->cullmins, r_shadow_rtlight_cullmins); + VectorCopy(rtlight->cullmaxs, r_shadow_rtlight_cullmaxs); + if (rtlight->compiled && r_shadow_realtime_world_compile.integer) { // compiled light, world available and can receive realtime lighting @@ -2816,18 +2810,22 @@ void R_DrawRTLight(rtlight_t *rtlight, qboolean visible) leafpvs = rtlight->static_leafpvs; numsurfaces = rtlight->static_numsurfaces; surfacelist = rtlight->static_surfacelist; + shadowtrispvs = rtlight->static_shadowtrispvs; + lighttrispvs = rtlight->static_lighttrispvs; } else if (r_refdef.worldmodel && r_refdef.worldmodel->GetLightInfo) { // dynamic light, world available and can receive realtime lighting // calculate lit surfaces and leafs - R_Shadow_EnlargeLeafSurfaceBuffer(r_refdef.worldmodel->brush.num_leafs, r_refdef.worldmodel->num_surfaces); - r_refdef.worldmodel->GetLightInfo(r_refdef.worldentity, rtlight->shadoworigin, rtlight->radius, rtlight->cullmins, rtlight->cullmaxs, r_shadow_buffer_leaflist, r_shadow_buffer_leafpvs, &numleafs, r_shadow_buffer_surfacelist, r_shadow_buffer_surfacepvs, &numsurfaces); + R_Shadow_EnlargeLeafSurfaceTrisBuffer(r_refdef.worldmodel->brush.num_leafs, r_refdef.worldmodel->num_surfaces, r_refdef.worldmodel->brush.shadowmesh ? r_refdef.worldmodel->brush.shadowmesh->numtriangles : r_refdef.worldmodel->surfmesh.num_triangles, r_refdef.worldmodel->surfmesh.num_triangles); + r_refdef.worldmodel->GetLightInfo(r_refdef.worldentity, rtlight->shadoworigin, rtlight->radius, r_shadow_rtlight_cullmins, r_shadow_rtlight_cullmaxs, r_shadow_buffer_leaflist, r_shadow_buffer_leafpvs, &numleafs, r_shadow_buffer_surfacelist, r_shadow_buffer_surfacepvs, &numsurfaces, r_shadow_buffer_shadowtrispvs, r_shadow_buffer_lighttrispvs); leaflist = r_shadow_buffer_leaflist; leafpvs = r_shadow_buffer_leafpvs; surfacelist = r_shadow_buffer_surfacelist; + shadowtrispvs = r_shadow_buffer_shadowtrispvs; + lighttrispvs = r_shadow_buffer_lighttrispvs; // if the reduced leaf bounds are offscreen, skip it - if (R_CullBox(rtlight->cullmins, rtlight->cullmaxs)) + if (R_CullBox(r_shadow_rtlight_cullmins, r_shadow_rtlight_cullmaxs)) return; } else @@ -2838,83 +2836,202 @@ void R_DrawRTLight(rtlight_t *rtlight, qboolean visible) leafpvs = NULL; numsurfaces = 0; surfacelist = NULL; + shadowtrispvs = NULL; + lighttrispvs = NULL; } // check if light is illuminating any visible leafs if (numleafs) { for (i = 0;i < numleafs;i++) - if (r_worldleafvisible[leaflist[i]]) + if (r_viewcache.world_leafvisible[leaflist[i]]) break; if (i == numleafs) return; } // set up a scissor rectangle for this light - if (R_Shadow_ScissorForBBox(rtlight->cullmins, rtlight->cullmaxs)) + if (R_Shadow_ScissorForBBox(r_shadow_rtlight_cullmins, r_shadow_rtlight_cullmaxs)) return; + R_Shadow_ComputeShadowCasterCullingPlanes(rtlight); + + // make a list of lit entities and shadow casting entities numlightentities = 0; - if (numsurfaces) - lightentities[numlightentities++] = r_refdef.worldentity; + numlightentities_noselfshadow = 0; numshadowentities = 0; - if (numsurfaces) - shadowentities[numshadowentities++] = r_refdef.worldentity; + numshadowentities_noselfshadow = 0; + // add dynamic entities that are lit by the light if (r_drawentities.integer) { for (i = 0;i < r_refdef.numentities;i++) { + model_t *model; entity_render_t *ent = r_refdef.entities[i]; - if (BoxesOverlap(ent->mins, ent->maxs, rtlight->cullmins, rtlight->cullmaxs) - && ent->model - && !(ent->flags & RENDER_TRANSPARENT) - && (r_refdef.worldmodel == NULL || r_refdef.worldmodel->brush.BoxTouchingLeafPVS == NULL || r_refdef.worldmodel->brush.BoxTouchingLeafPVS(r_refdef.worldmodel, leafpvs, ent->mins, ent->maxs))) + vec3_t org; + if (!BoxesOverlap(ent->mins, ent->maxs, r_shadow_rtlight_cullmins, r_shadow_rtlight_cullmaxs)) + continue; + // skip the object entirely if it is not within the valid + // shadow-casting region (which includes the lit region) + if (R_CullBoxCustomPlanes(ent->mins, ent->maxs, r_shadow_rtlight_numfrustumplanes, r_shadow_rtlight_frustumplanes)) + continue; + if (!(model = ent->model)) + continue; + if (r_viewcache.entityvisible[i] && model->DrawLight && (ent->flags & RENDER_LIGHT)) { - // about the VectorDistance2 - light emitting entities should not cast their own shadow - if ((ent->flags & RENDER_SHADOW) && ent->model->DrawShadowVolume && VectorDistance2(ent->origin, rtlight->shadoworigin) > 0.1) - shadowentities[numshadowentities++] = ent; - if (ent->visframe == r_framecount && (ent->flags & RENDER_LIGHT) && ent->model->DrawLight) + // this entity wants to receive light, is visible, and is + // inside the light box + // TODO: check if the surfaces in the model can receive light + // so now check if it's in a leaf seen by the light + if (r_refdef.worldmodel && r_refdef.worldmodel->brush.BoxTouchingLeafPVS && !r_refdef.worldmodel->brush.BoxTouchingLeafPVS(r_refdef.worldmodel, leafpvs, ent->mins, ent->maxs)) + continue; + if (ent->flags & RENDER_NOSELFSHADOW) + lightentities_noselfshadow[numlightentities_noselfshadow++] = ent; + else lightentities[numlightentities++] = ent; + // since it is lit, it probably also casts a shadow... + // about the VectorDistance2 - light emitting entities should not cast their own shadow + Matrix4x4_OriginFromMatrix(&ent->matrix, org); + if ((ent->flags & RENDER_SHADOW) && model->DrawShadowVolume && VectorDistance2(org, rtlight->shadoworigin) > 0.1) + { + // note: exterior models without the RENDER_NOSELFSHADOW + // flag still create a RENDER_NOSELFSHADOW shadow but + // are lit normally, this means that they are + // self-shadowing but do not shadow other + // RENDER_NOSELFSHADOW entities such as the gun + // (very weird, but keeps the player shadow off the gun) + if (ent->flags & (RENDER_NOSELFSHADOW | RENDER_EXTERIORMODEL)) + shadowentities_noselfshadow[numshadowentities_noselfshadow++] = ent; + else + shadowentities[numshadowentities++] = ent; + } + } + else if (ent->flags & RENDER_SHADOW) + { + // this entity is not receiving light, but may still need to + // cast a shadow... + // TODO: check if the surfaces in the model can cast shadow + // now check if it is in a leaf seen by the light + if (r_refdef.worldmodel && r_refdef.worldmodel->brush.BoxTouchingLeafPVS && !r_refdef.worldmodel->brush.BoxTouchingLeafPVS(r_refdef.worldmodel, leafpvs, ent->mins, ent->maxs)) + continue; + // about the VectorDistance2 - light emitting entities should not cast their own shadow + Matrix4x4_OriginFromMatrix(&ent->matrix, org); + if ((ent->flags & RENDER_SHADOW) && model->DrawShadowVolume && VectorDistance2(org, rtlight->shadoworigin) > 0.1) + { + if (ent->flags & (RENDER_NOSELFSHADOW | RENDER_EXTERIORMODEL)) + shadowentities_noselfshadow[numshadowentities_noselfshadow++] = ent; + else + shadowentities[numshadowentities++] = ent; + } } } } // return if there's nothing at all to light - if (!numlightentities) + if (!numlightentities && !numsurfaces) return; - R_Shadow_Stage_ActiveLight(rtlight); - renderstats.lights++; + // don't let sound skip if going slow + if (r_refdef.extraupdate) + S_ExtraUpdate (); - usestencil = false; - if (numshadowentities && (!visible || r_shadow_visiblelighting.integer == 1) && gl_stencil && rtlight->shadow && (rtlight->isstatic ? r_rtworldshadows : r_rtdlightshadows)) - { - usestencil = true; - R_Shadow_Stage_StencilShadowVolumes(); - for (i = 0;i < numshadowentities;i++) - R_Shadow_DrawEntityShadow(shadowentities[i], rtlight, numsurfaces, surfacelist); - } + // make this the active rtlight for rendering purposes + R_Shadow_RenderMode_ActiveLight(rtlight); + // count this light in the r_speeds + r_refdef.stats.lights++; - if (numlightentities && !visible) + if (r_showshadowvolumes.integer && numsurfaces + numshadowentities + numshadowentities_noselfshadow && rtlight->shadow && (rtlight->isstatic ? r_refdef.rtworldshadows : r_refdef.rtdlightshadows)) { - R_Shadow_Stage_Lighting(usestencil); - for (i = 0;i < numlightentities;i++) - R_Shadow_DrawEntityLight(lightentities[i], rtlight, lightcolor, numsurfaces, surfacelist); + // optionally draw visible shape of the shadow volumes + // for performance analysis by level designers + R_Shadow_RenderMode_VisibleShadowVolumes(); + if (numsurfaces) + R_Shadow_DrawWorldShadow(numsurfaces, surfacelist, shadowtrispvs); + for (i = 0;i < numshadowentities;i++) + R_Shadow_DrawEntityShadow(shadowentities[i]); + for (i = 0;i < numshadowentities_noselfshadow;i++) + R_Shadow_DrawEntityShadow(shadowentities_noselfshadow[i]); } - if (numshadowentities && visible && r_shadow_visiblevolumes.integer > 0 && rtlight->shadow && (rtlight->isstatic ? r_rtworldshadows : r_rtdlightshadows)) + if (gl_stencil && numsurfaces + numshadowentities + numshadowentities_noselfshadow && rtlight->shadow && (rtlight->isstatic ? r_refdef.rtworldshadows : r_refdef.rtdlightshadows)) { - R_Shadow_Stage_VisibleShadowVolumes(); + // draw stencil shadow volumes to mask off pixels that are in shadow + // so that they won't receive lighting + R_Shadow_RenderMode_StencilShadowVolumes(true); + if (numsurfaces) + R_Shadow_DrawWorldShadow(numsurfaces, surfacelist, shadowtrispvs); for (i = 0;i < numshadowentities;i++) - R_Shadow_DrawEntityShadow(shadowentities[i], rtlight, numsurfaces, surfacelist); - } + R_Shadow_DrawEntityShadow(shadowentities[i]); + if (numlightentities_noselfshadow) + { + // draw lighting in the unmasked areas + R_Shadow_RenderMode_Lighting(true, false); + for (i = 0;i < numlightentities_noselfshadow;i++) + R_Shadow_DrawEntityLight(lightentities_noselfshadow[i], numsurfaces, surfacelist); + + // optionally draw the illuminated areas + // for performance analysis by level designers + if (r_showlighting.integer) + { + R_Shadow_RenderMode_VisibleLighting(!r_showdisabledepthtest.integer, false); + for (i = 0;i < numlightentities_noselfshadow;i++) + R_Shadow_DrawEntityLight(lightentities_noselfshadow[i], numsurfaces, surfacelist); + } + + R_Shadow_RenderMode_StencilShadowVolumes(false); + } + for (i = 0;i < numshadowentities_noselfshadow;i++) + R_Shadow_DrawEntityShadow(shadowentities_noselfshadow[i]); - if (numlightentities && visible && r_shadow_visiblelighting.integer > 0) + if (numsurfaces + numlightentities) + { + // draw lighting in the unmasked areas + R_Shadow_RenderMode_Lighting(true, false); + if (numsurfaces) + R_Shadow_DrawWorldLight(numsurfaces, surfacelist, lighttrispvs); + for (i = 0;i < numlightentities;i++) + R_Shadow_DrawEntityLight(lightentities[i], numsurfaces, surfacelist); + + // optionally draw the illuminated areas + // for performance analysis by level designers + if (r_showlighting.integer) + { + R_Shadow_RenderMode_VisibleLighting(!r_showdisabledepthtest.integer, false); + if (numsurfaces) + R_Shadow_DrawWorldLight(numsurfaces, surfacelist, lighttrispvs); + for (i = 0;i < numlightentities;i++) + R_Shadow_DrawEntityLight(lightentities[i], numsurfaces, surfacelist); + } + } + } + else { - R_Shadow_Stage_VisibleLighting(usestencil); - for (i = 0;i < numlightentities;i++) - R_Shadow_DrawEntityLight(lightentities[i], rtlight, lightcolor, numsurfaces, surfacelist); + if (numsurfaces + numlightentities) + { + // draw lighting in the unmasked areas + R_Shadow_RenderMode_Lighting(false, false); + if (numsurfaces) + R_Shadow_DrawWorldLight(numsurfaces, surfacelist, lighttrispvs); + for (i = 0;i < numlightentities;i++) + R_Shadow_DrawEntityLight(lightentities[i], numsurfaces, surfacelist); + for (i = 0;i < numlightentities_noselfshadow;i++) + R_Shadow_DrawEntityLight(lightentities_noselfshadow[i], numsurfaces, surfacelist); + + // optionally draw the illuminated areas + // for performance analysis by level designers + if (r_showlighting.integer) + { + R_Shadow_RenderMode_VisibleLighting(false, false); + if (numsurfaces) + R_Shadow_DrawWorldLight(numsurfaces, surfacelist, lighttrispvs); + for (i = 0;i < numlightentities;i++) + R_Shadow_DrawEntityLight(lightentities[i], numsurfaces, surfacelist); + for (i = 0;i < numlightentities_noselfshadow;i++) + R_Shadow_DrawEntityLight(lightentities_noselfshadow[i], numsurfaces, surfacelist); + } + } } } +void R_Shadow_DrawLightSprites(void); void R_ShadowVolumeLighting(qboolean visible) { int lnum, flag; @@ -2923,9 +3040,12 @@ void R_ShadowVolumeLighting(qboolean visible) if (r_refdef.worldmodel && strncmp(r_refdef.worldmodel->name, r_shadow_mapname, sizeof(r_shadow_mapname))) R_Shadow_EditLights_Reload_f(); - R_Shadow_Stage_Begin(); + if (r_editlights.integer) + R_Shadow_DrawLightSprites(); + + R_Shadow_RenderMode_Begin(); - flag = r_rtworld ? LIGHTFLAG_REALTIMEMODE : LIGHTFLAG_NORMALMODE; + flag = r_refdef.rtworld ? LIGHTFLAG_REALTIMEMODE : LIGHTFLAG_NORMALMODE; if (r_shadow_debuglight.integer >= 0) { for (lnum = 0, light = r_shadow_worldlightchain;light;lnum++, light = light->next) @@ -2936,13 +3056,102 @@ void R_ShadowVolumeLighting(qboolean visible) for (lnum = 0, light = r_shadow_worldlightchain;light;lnum++, light = light->next) if (light->flags & flag) R_DrawRTLight(&light->rtlight, visible); - if (r_rtdlight) + if (r_refdef.rtdlight) for (lnum = 0;lnum < r_refdef.numlights;lnum++) - R_DrawRTLight(&r_refdef.lights[lnum]->rtlight, visible); + R_DrawRTLight(&r_refdef.lights[lnum], visible); + + R_Shadow_RenderMode_End(); +} - R_Shadow_Stage_End(); +extern void R_SetupView(const matrix4x4_t *matrix); +extern cvar_t r_shadows_throwdistance; +void R_DrawModelShadows(void) +{ + int i; + float relativethrowdistance; + entity_render_t *ent; + vec3_t relativelightorigin; + vec3_t relativelightdirection; + vec3_t relativeshadowmins, relativeshadowmaxs; + float vertex3f[12]; + + if (!r_drawentities.integer || !gl_stencil) + return; + + CHECKGLERROR + GL_Scissor(r_view.x, r_view.y, r_view.width, r_view.height); + + r_shadow_rendermode = R_SHADOW_RENDERMODE_NONE; + + if (gl_ext_separatestencil.integer) + r_shadow_shadowingrendermode = R_SHADOW_RENDERMODE_SEPARATESTENCIL; + else if (gl_ext_stenciltwoside.integer) + r_shadow_shadowingrendermode = R_SHADOW_RENDERMODE_STENCILTWOSIDE; + else + r_shadow_shadowingrendermode = R_SHADOW_RENDERMODE_STENCIL; + + R_Shadow_RenderMode_StencilShadowVolumes(true); + + for (i = 0;i < r_refdef.numentities;i++) + { + ent = r_refdef.entities[i]; + // cast shadows from anything that is not a submodel of the map + if (ent->model && ent->model->DrawShadowVolume != NULL && !ent->model->brush.submodel && (ent->flags & RENDER_SHADOW)) + { + relativethrowdistance = r_shadows_throwdistance.value * Matrix4x4_ScaleFromMatrix(&ent->inversematrix); + VectorSet(relativeshadowmins, -relativethrowdistance, -relativethrowdistance, -relativethrowdistance); + VectorSet(relativeshadowmaxs, relativethrowdistance, relativethrowdistance, relativethrowdistance); + VectorNegate(ent->modellight_lightdir, relativelightdirection); + VectorScale(relativelightdirection, -relativethrowdistance, relativelightorigin); + RSurf_ActiveModelEntity(ent, false, false); + ent->model->DrawShadowVolume(ent, relativelightorigin, relativelightdirection, relativethrowdistance, ent->model->nummodelsurfaces, ent->model->surfacelist, relativeshadowmins, relativeshadowmaxs); + } + } + + // not really the right mode, but this will disable any silly stencil features + R_Shadow_RenderMode_VisibleLighting(true, true); + + // vertex coordinates for a quad that covers the screen exactly + vertex3f[0] = 0;vertex3f[1] = 0;vertex3f[2] = 0; + vertex3f[3] = 1;vertex3f[4] = 0;vertex3f[5] = 0; + vertex3f[6] = 1;vertex3f[7] = 1;vertex3f[8] = 0; + vertex3f[9] = 0;vertex3f[10] = 1;vertex3f[11] = 0; + + // set up ortho view for rendering this pass + GL_SetupView_Mode_Ortho(0, 0, 1, 1, -10, 100); + GL_Scissor(r_view.x, r_view.y, r_view.width, r_view.height); + GL_ColorMask(r_view.colormask[0], r_view.colormask[1], r_view.colormask[2], 1); + GL_ScissorTest(true); + R_Mesh_Matrix(&identitymatrix); + R_Mesh_ResetTextureState(); + R_Mesh_VertexPointer(vertex3f, 0, 0); + R_Mesh_ColorPointer(NULL, 0, 0); + + // set up a 50% darkening blend on shadowed areas + GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + GL_DepthRange(0, 1); + GL_DepthTest(false); + GL_DepthMask(false); + qglPolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);CHECKGLERROR + GL_Color(0, 0, 0, 0.5); + GL_ColorMask(r_view.colormask[0], r_view.colormask[1], r_view.colormask[2], 1); + qglDepthFunc(GL_ALWAYS);CHECKGLERROR + qglEnable(GL_STENCIL_TEST);CHECKGLERROR + qglStencilMask(~0);CHECKGLERROR + qglStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);CHECKGLERROR + qglStencilFunc(GL_NOTEQUAL, 128, ~0);CHECKGLERROR + + // apply the blend to the shadowed areas + R_Mesh_Draw(0, 4, 2, polygonelements, 0, 0); + + // restoring the perspective view is done by R_RenderScene + //R_SetupView(&r_view.matrix); + + // restore other state to normal + R_Shadow_RenderMode_End(); } + //static char *suffix[6] = {"ft", "bk", "rt", "lf", "up", "dn"}; typedef struct suffixinfo_s { @@ -3050,7 +3259,7 @@ rtexture_t *R_Shadow_Cubemap(const char *basename) if (i >= MAX_CUBEMAPS) return r_texture_whitecube; numcubemaps++; - strcpy(cubemaps[i].basename, basename); + strlcpy(cubemaps[i].basename, basename, sizeof(cubemaps[i].basename)); cubemaps[i].texture = R_Shadow_LoadCubemap(cubemaps[i].basename); if (!cubemaps[i].texture) cubemaps[i].texture = r_texture_whitecube; @@ -3066,7 +3275,7 @@ void R_Shadow_FreeCubemaps(void) dlight_t *R_Shadow_NewWorldLight(void) { dlight_t *light; - light = (dlight_t *)Mem_Alloc(r_shadow_mempool, sizeof(dlight_t)); + light = (dlight_t *)Mem_Alloc(r_main_mempool, sizeof(dlight_t)); light->next = r_shadow_worldlightchain; r_shadow_worldlightchain = light; return light; @@ -3074,6 +3283,17 @@ dlight_t *R_Shadow_NewWorldLight(void) void R_Shadow_UpdateWorldLight(dlight_t *light, vec3_t origin, vec3_t angles, vec3_t color, vec_t radius, vec_t corona, int style, int shadowenable, const char *cubemapname, vec_t coronasizescale, vec_t ambientscale, vec_t diffusescale, vec_t specularscale, int flags) { + matrix4x4_t matrix; + // validate parameters + if (style < 0 || style >= MAX_LIGHTSTYLES) + { + Con_Printf("R_Shadow_NewWorldLight: invalid light style number %i, must be >= 0 and < %i\n", light->style, MAX_LIGHTSTYLES); + style = 0; + } + if (!cubemapname) + cubemapname = ""; + + // copy to light properties VectorCopy(origin, light->origin); light->angles[0] = angles[0] - 360 * floor(angles[0] / 360); light->angles[1] = angles[1] - 360 * floor(angles[1] / 360); @@ -3083,24 +3303,18 @@ void R_Shadow_UpdateWorldLight(dlight_t *light, vec3_t origin, vec3_t angles, ve light->color[2] = max(color[2], 0); light->radius = max(radius, 0); light->style = style; - if (light->style < 0 || light->style >= MAX_LIGHTSTYLES) - { - Con_Printf("R_Shadow_NewWorldLight: invalid light style number %i, must be >= 0 and < %i\n", light->style, MAX_LIGHTSTYLES); - light->style = 0; - } light->shadow = shadowenable; light->corona = corona; - if (!cubemapname) - cubemapname = ""; strlcpy(light->cubemapname, cubemapname, sizeof(light->cubemapname)); light->coronasizescale = coronasizescale; light->ambientscale = ambientscale; light->diffusescale = diffusescale; light->specularscale = specularscale; light->flags = flags; - Matrix4x4_CreateFromQuakeEntity(&light->matrix, light->origin[0], light->origin[1], light->origin[2], light->angles[0], light->angles[1], light->angles[2], 1); - R_RTLight_Update(light, true); + // update renderable light data + Matrix4x4_CreateFromQuakeEntity(&matrix, light->origin[0], light->origin[1], light->origin[2], light->angles[0], light->angles[1], light->angles[2], light->radius); + R_RTLight_Update(&light->rtlight, true, &matrix, light->color, light->style, light->cubemapname[0] ? light->cubemapname : NULL, light->shadow, light->corona, light->coronasizescale, light->ambientscale, light->diffusescale, light->specularscale, light->flags); } void R_Shadow_FreeWorldLight(dlight_t *light) @@ -3131,41 +3345,35 @@ void R_Shadow_SelectLight(dlight_t *light) r_shadow_selectedlight->selected = true; } -void R_Shadow_DrawCursorCallback(const void *calldata1, int calldata2) +void R_Shadow_DrawCursor_TransparentCallback(const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist) { + // this is never batched (there can be only one) float scale = r_editlights_cursorgrid.value * 0.5f; - R_DrawSprite(GL_SRC_ALPHA, GL_ONE, lighttextures[0], NULL, false, r_editlights_cursorlocation, r_viewright, r_viewup, scale, -scale, -scale, scale, 1, 1, 1, 0.5f); + R_DrawSprite(GL_SRC_ALPHA, GL_ONE, r_crosshairs[1]->tex, NULL, false, false, r_editlights_cursorlocation, r_view.right, r_view.up, scale, -scale, -scale, scale, 1, 1, 1, 0.5f); } -void R_Shadow_DrawLightSpriteCallback(const void *calldata1, int calldata2) +void R_Shadow_DrawLightSprite_TransparentCallback(const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist) { + // this is never batched (due to the ent parameter changing every time) + // so numsurfaces == 1 and surfacelist[0] == lightnumber float intensity; - const dlight_t *light; - light = (dlight_t *)calldata1; + const dlight_t *light = (dlight_t *)ent; intensity = 0.5; if (light->selected) intensity = 0.75 + 0.25 * sin(realtime * M_PI * 4.0); if (!light->shadow) intensity *= 0.5f; - R_DrawSprite(GL_SRC_ALPHA, GL_ONE, lighttextures[calldata2], NULL, false, light->origin, r_viewright, r_viewup, 8, -8, -8, 8, intensity, intensity, intensity, 0.5); + R_DrawSprite(GL_SRC_ALPHA, GL_ONE, r_crosshairs[surfacelist[0]]->tex, NULL, false, false, light->origin, r_view.right, r_view.up, 8, -8, -8, 8, intensity, intensity, intensity, 0.5f); } void R_Shadow_DrawLightSprites(void) { int i; - cachepic_t *pic; dlight_t *light; - for (i = 0;i < 5;i++) - { - lighttextures[i] = NULL; - if ((pic = Draw_CachePic(va("gfx/crosshair%i", i + 1), true))) - lighttextures[i] = pic->tex; - } - for (i = 0, light = r_shadow_worldlightchain;light;i++, light = light->next) - R_MeshQueue_AddTransparent(light->origin, R_Shadow_DrawLightSpriteCallback, light, i % 5); - R_MeshQueue_AddTransparent(r_editlights_cursorlocation, R_Shadow_DrawCursorCallback, NULL, 0); + R_MeshQueue_AddTransparent(light->origin, R_Shadow_DrawLightSprite_TransparentCallback, (entity_render_t *)light, 1+(i % 5), &light->rtlight); + R_MeshQueue_AddTransparent(r_editlights_cursorlocation, R_Shadow_DrawCursor_TransparentCallback, NULL, 0, NULL); } void R_Shadow_SelectLightInView(void) @@ -3176,12 +3384,12 @@ void R_Shadow_SelectLightInView(void) bestrating = 0; for (light = r_shadow_worldlightchain;light;light = light->next) { - VectorSubtract(light->origin, r_vieworigin, temp); - rating = (DotProduct(temp, r_viewforward) / sqrt(DotProduct(temp, temp))); + VectorSubtract(light->origin, r_view.origin, temp); + rating = (DotProduct(temp, r_view.forward) / sqrt(DotProduct(temp, temp))); if (rating >= 0.95) { rating /= (1 + 0.0625f * sqrt(DotProduct(temp, temp))); - if (bestrating < rating && CL_TraceBox(light->origin, vec3_origin, vec3_origin, r_vieworigin, true, NULL, SUPERCONTENTS_SOLID, false).fraction == 1.0f) + if (bestrating < rating && CL_Move(light->origin, vec3_origin, vec3_origin, r_view.origin, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, true, false, NULL, false).fraction == 1.0f) { bestrating = rating; best = light; @@ -3261,8 +3469,10 @@ void R_Shadow_LoadWorldLights(void) // remove quotes on cubemapname if (cubemapname[0] == '"' && cubemapname[strlen(cubemapname) - 1] == '"') { - cubemapname[strlen(cubemapname)-1] = 0; - strcpy(cubemapname, cubemapname + 1); + size_t namelen; + namelen = strlen(cubemapname) - 2; + memmove(cubemapname, cubemapname + 1, namelen); + cubemapname[namelen] = '\0'; } if (a < 8) { @@ -3406,7 +3616,7 @@ void R_Shadow_LoadWorldLightsFromMap_LightArghliteTyrlite(void) data = r_refdef.worldmodel->brush.entities; if (!data) return; - for (entnum = 0;COM_ParseToken(&data, false) && com_token[0] == '{';entnum++) + for (entnum = 0;COM_ParseToken_Simple(&data, false) && com_token[0] == '{';entnum++) { type = LIGHTTYPE_MINUSX; origin[0] = origin[1] = origin[2] = 0; @@ -3424,19 +3634,19 @@ void R_Shadow_LoadWorldLightsFromMap_LightArghliteTyrlite(void) islight = false; while (1) { - if (!COM_ParseToken(&data, false)) + if (!COM_ParseToken_Simple(&data, false)) break; // error if (com_token[0] == '}') break; // end of entity if (com_token[0] == '_') - strcpy(key, com_token + 1); + strlcpy(key, com_token + 1, sizeof(key)); else - strcpy(key, com_token); + strlcpy(key, com_token, sizeof(key)); while (key[strlen(key)-1] == ' ') // remove trailing spaces key[strlen(key)-1] = 0; - if (!COM_ParseToken(&data, false)) + if (!COM_ParseToken_Simple(&data, false)) break; // error - strcpy(value, com_token); + strlcpy(value, com_token, sizeof(value)); // now that we have the key pair worked out... if (!strcmp("light", key)) @@ -3607,8 +3817,8 @@ void R_Shadow_SetCursorLocationForView(void) vec_t dist, push; vec3_t dest, endpos; trace_t trace; - VectorMA(r_vieworigin, r_editlights_cursordistance.value, r_viewforward, dest); - trace = CL_TraceBox(r_vieworigin, vec3_origin, vec3_origin, dest, true, NULL, SUPERCONTENTS_SOLID, false); + VectorMA(r_view.origin, r_editlights_cursordistance.value, r_view.forward, dest); + trace = CL_Move(r_view.origin, vec3_origin, vec3_origin, dest, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, true, false, NULL, false); if (trace.fraction < 1) { dist = trace.fraction * r_editlights_cursordistance.value; @@ -3616,7 +3826,7 @@ void R_Shadow_SetCursorLocationForView(void) if (push > dist) push = dist; push = -push; - VectorMA(trace.endpos, push, r_viewforward, endpos); + VectorMA(trace.endpos, push, r_view.forward, endpos); VectorMA(endpos, r_editlights_cursorpushoff.value, trace.plane.normal, endpos); } else @@ -3634,7 +3844,6 @@ void R_Shadow_UpdateWorldLightSelection(void) { R_Shadow_SetCursorLocationForView(); R_Shadow_SelectLightInView(); - R_Shadow_DrawLightSprites(); } else R_Shadow_SelectLight(NULL); @@ -3911,7 +4120,7 @@ void R_Shadow_EditLights_Edit_f(void) return; } if (Cmd_Argc() == 3) - strcpy(cubemapname, Cmd_Argv(2)); + strlcpy(cubemapname, Cmd_Argv(2), sizeof(cubemapname)); else cubemapname[0] = 0; } @@ -4043,24 +4252,24 @@ void R_Shadow_EditLights_DrawSelectedLightProperties(void) for (lightcount = 0, light = r_shadow_worldlightchain;light;lightcount++, light = light->next) if (light == r_shadow_selectedlight) lightnumber = lightcount; - sprintf(temp, "Cursor %f %f %f Total Lights %i", r_editlights_cursorlocation[0], r_editlights_cursorlocation[1], r_editlights_cursorlocation[2], lightcount);DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0);y += 8; + sprintf(temp, "Cursor %f %f %f Total Lights %i", r_editlights_cursorlocation[0], r_editlights_cursorlocation[1], r_editlights_cursorlocation[2], lightcount);DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0, NULL, true);y += 8; if (r_shadow_selectedlight == NULL) return; - sprintf(temp, "Light #%i properties", lightnumber);DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0);y += 8; - sprintf(temp, "Origin : %f %f %f\n", r_shadow_selectedlight->origin[0], r_shadow_selectedlight->origin[1], r_shadow_selectedlight->origin[2]);DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0);y += 8; - sprintf(temp, "Angles : %f %f %f\n", r_shadow_selectedlight->angles[0], r_shadow_selectedlight->angles[1], r_shadow_selectedlight->angles[2]);DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0);y += 8; - sprintf(temp, "Color : %f %f %f\n", r_shadow_selectedlight->color[0], r_shadow_selectedlight->color[1], r_shadow_selectedlight->color[2]);DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0);y += 8; - sprintf(temp, "Radius : %f\n", r_shadow_selectedlight->radius);DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0);y += 8; - sprintf(temp, "Corona : %f\n", r_shadow_selectedlight->corona);DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0);y += 8; - sprintf(temp, "Style : %i\n", r_shadow_selectedlight->style);DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0);y += 8; - sprintf(temp, "Shadows : %s\n", r_shadow_selectedlight->shadow ? "yes" : "no");DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0);y += 8; - sprintf(temp, "Cubemap : %s\n", r_shadow_selectedlight->cubemapname);DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0);y += 8; - sprintf(temp, "CoronaSize : %f\n", r_shadow_selectedlight->coronasizescale);DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0);y += 8; - sprintf(temp, "Ambient : %f\n", r_shadow_selectedlight->ambientscale);DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0);y += 8; - sprintf(temp, "Diffuse : %f\n", r_shadow_selectedlight->diffusescale);DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0);y += 8; - sprintf(temp, "Specular : %f\n", r_shadow_selectedlight->specularscale);DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0);y += 8; - sprintf(temp, "NormalMode : %s\n", (r_shadow_selectedlight->flags & LIGHTFLAG_NORMALMODE) ? "yes" : "no");DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0);y += 8; - sprintf(temp, "RealTimeMode : %s\n", (r_shadow_selectedlight->flags & LIGHTFLAG_REALTIMEMODE) ? "yes" : "no");DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0);y += 8; + sprintf(temp, "Light #%i properties", lightnumber);DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0, NULL, true);y += 8; + sprintf(temp, "Origin : %f %f %f\n", r_shadow_selectedlight->origin[0], r_shadow_selectedlight->origin[1], r_shadow_selectedlight->origin[2]);DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0, NULL, true);y += 8; + sprintf(temp, "Angles : %f %f %f\n", r_shadow_selectedlight->angles[0], r_shadow_selectedlight->angles[1], r_shadow_selectedlight->angles[2]);DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0, NULL, true);y += 8; + sprintf(temp, "Color : %f %f %f\n", r_shadow_selectedlight->color[0], r_shadow_selectedlight->color[1], r_shadow_selectedlight->color[2]);DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0, NULL, true);y += 8; + sprintf(temp, "Radius : %f\n", r_shadow_selectedlight->radius);DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0, NULL, true);y += 8; + sprintf(temp, "Corona : %f\n", r_shadow_selectedlight->corona);DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0, NULL, true);y += 8; + sprintf(temp, "Style : %i\n", r_shadow_selectedlight->style);DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0, NULL, true);y += 8; + sprintf(temp, "Shadows : %s\n", r_shadow_selectedlight->shadow ? "yes" : "no");DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0, NULL, true);y += 8; + sprintf(temp, "Cubemap : %s\n", r_shadow_selectedlight->cubemapname);DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0, NULL, true);y += 8; + sprintf(temp, "CoronaSize : %f\n", r_shadow_selectedlight->coronasizescale);DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0, NULL, true);y += 8; + sprintf(temp, "Ambient : %f\n", r_shadow_selectedlight->ambientscale);DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0, NULL, true);y += 8; + sprintf(temp, "Diffuse : %f\n", r_shadow_selectedlight->diffusescale);DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0, NULL, true);y += 8; + sprintf(temp, "Specular : %f\n", r_shadow_selectedlight->specularscale);DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0, NULL, true);y += 8; + sprintf(temp, "NormalMode : %s\n", (r_shadow_selectedlight->flags & LIGHTFLAG_NORMALMODE) ? "yes" : "no");DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0, NULL, true);y += 8; + sprintf(temp, "RealTimeMode : %s\n", (r_shadow_selectedlight->flags & LIGHTFLAG_REALTIMEMODE) ? "yes" : "no");DrawQ_String(x, y, temp, 0, 8, 8, 1, 1, 1, 1, 0, NULL, true);y += 8; } void R_Shadow_EditLights_ToggleShadow_f(void) @@ -4181,7 +4390,7 @@ void R_Shadow_EditLights_CopyInfo_f(void) r_shadow_bufferlight.radius = r_shadow_selectedlight->radius; r_shadow_bufferlight.style = r_shadow_selectedlight->style; if (r_shadow_selectedlight->cubemapname) - strcpy(r_shadow_bufferlight.cubemapname, r_shadow_selectedlight->cubemapname); + strlcpy(r_shadow_bufferlight.cubemapname, r_shadow_selectedlight->cubemapname, sizeof(r_shadow_bufferlight.cubemapname)); else r_shadow_bufferlight.cubemapname[0] = 0; r_shadow_bufferlight.shadow = r_shadow_selectedlight->shadow; @@ -4216,19 +4425,19 @@ void R_Shadow_EditLights_Init(void) Cvar_RegisterVariable(&r_editlights_cursorpushoff); Cvar_RegisterVariable(&r_editlights_cursorgrid); Cvar_RegisterVariable(&r_editlights_quakelightsizescale); - Cmd_AddCommand("r_editlights_help", R_Shadow_EditLights_Help_f); - Cmd_AddCommand("r_editlights_clear", R_Shadow_EditLights_Clear_f); - Cmd_AddCommand("r_editlights_reload", R_Shadow_EditLights_Reload_f); - Cmd_AddCommand("r_editlights_save", R_Shadow_EditLights_Save_f); - Cmd_AddCommand("r_editlights_spawn", R_Shadow_EditLights_Spawn_f); - Cmd_AddCommand("r_editlights_edit", R_Shadow_EditLights_Edit_f); - Cmd_AddCommand("r_editlights_editall", R_Shadow_EditLights_EditAll_f); - Cmd_AddCommand("r_editlights_remove", R_Shadow_EditLights_Remove_f); - Cmd_AddCommand("r_editlights_toggleshadow", R_Shadow_EditLights_ToggleShadow_f); - Cmd_AddCommand("r_editlights_togglecorona", R_Shadow_EditLights_ToggleCorona_f); - Cmd_AddCommand("r_editlights_importlightentitiesfrommap", R_Shadow_EditLights_ImportLightEntitiesFromMap_f); - Cmd_AddCommand("r_editlights_importlightsfile", R_Shadow_EditLights_ImportLightsFile_f); - Cmd_AddCommand("r_editlights_copyinfo", R_Shadow_EditLights_CopyInfo_f); - Cmd_AddCommand("r_editlights_pasteinfo", R_Shadow_EditLights_PasteInfo_f); + Cmd_AddCommand("r_editlights_help", R_Shadow_EditLights_Help_f, "prints documentation on console commands and variables in rtlight editing system"); + Cmd_AddCommand("r_editlights_clear", R_Shadow_EditLights_Clear_f, "removes all world lights (let there be darkness!)"); + Cmd_AddCommand("r_editlights_reload", R_Shadow_EditLights_Reload_f, "reloads rtlights file (or imports from .lights file or .ent file or the map itself)"); + Cmd_AddCommand("r_editlights_save", R_Shadow_EditLights_Save_f, "save .rtlights file for current level"); + Cmd_AddCommand("r_editlights_spawn", R_Shadow_EditLights_Spawn_f, "creates a light with default properties (let there be light!)"); + Cmd_AddCommand("r_editlights_edit", R_Shadow_EditLights_Edit_f, "changes a property on the selected light"); + Cmd_AddCommand("r_editlights_editall", R_Shadow_EditLights_EditAll_f, "changes a property on ALL lights at once (tip: use radiusscale and colorscale to alter these properties)"); + Cmd_AddCommand("r_editlights_remove", R_Shadow_EditLights_Remove_f, "remove selected light"); + Cmd_AddCommand("r_editlights_toggleshadow", R_Shadow_EditLights_ToggleShadow_f, "toggle on/off the shadow option on the selected light"); + Cmd_AddCommand("r_editlights_togglecorona", R_Shadow_EditLights_ToggleCorona_f, "toggle on/off the corona option on the selected light"); + Cmd_AddCommand("r_editlights_importlightentitiesfrommap", R_Shadow_EditLights_ImportLightEntitiesFromMap_f, "load lights from .ent file or map entities (ignoring .rtlights or .lights file)"); + Cmd_AddCommand("r_editlights_importlightsfile", R_Shadow_EditLights_ImportLightsFile_f, "load lights from .lights file (ignoring .rtlights or .ent files and map entities)"); + Cmd_AddCommand("r_editlights_copyinfo", R_Shadow_EditLights_CopyInfo_f, "store a copy of all properties (except origin) of the selected light"); + Cmd_AddCommand("r_editlights_pasteinfo", R_Shadow_EditLights_PasteInfo_f, "apply the stored properties onto the selected light (making it exactly identical except for origin)"); }