X-Git-Url: http://de.git.xonotic.org/?p=xonotic%2Fdarkplaces.git;a=blobdiff_plain;f=r_shadow.c;h=d992a762555d548d1435095155e104f7b4d4a9bd;hp=cfb1d58a19956224e4c2e5bcd62b02d221b9bd0a;hb=861475e4f10eb1f592a5c64aff3b57eab4d11edb;hpb=f5c01d29320e5e45965d995a164291c2cc071578 diff --git a/r_shadow.c b/r_shadow.c index cfb1d58a..d992a762 100644 --- a/r_shadow.c +++ b/r_shadow.c @@ -140,25 +140,44 @@ demonstrated by the game Doom3. #include "portals.h" #include "image.h" +#define R_SHADOW_SHADOWMAP_NUMCUBEMAPS 8 + extern void R_Shadow_EditLights_Init(void); typedef enum r_shadow_rendermode_e { R_SHADOW_RENDERMODE_NONE, - R_SHADOW_RENDERMODE_STENCIL, - R_SHADOW_RENDERMODE_SEPARATESTENCIL, - R_SHADOW_RENDERMODE_STENCILTWOSIDE, + R_SHADOW_RENDERMODE_ZPASS_STENCIL, + R_SHADOW_RENDERMODE_ZPASS_SEPARATESTENCIL, + R_SHADOW_RENDERMODE_ZPASS_STENCILTWOSIDE, + R_SHADOW_RENDERMODE_ZFAIL_STENCIL, + R_SHADOW_RENDERMODE_ZFAIL_SEPARATESTENCIL, + R_SHADOW_RENDERMODE_ZFAIL_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_SHADOW_RENDERMODE_SHADOWMAPRECTANGLE, + R_SHADOW_RENDERMODE_SHADOWMAP2D, + R_SHADOW_RENDERMODE_SHADOWMAPCUBESIDE, } r_shadow_rendermode_t; 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; +r_shadow_rendermode_t r_shadow_shadowingrendermode_zpass = R_SHADOW_RENDERMODE_NONE; +r_shadow_rendermode_t r_shadow_shadowingrendermode_zfail = R_SHADOW_RENDERMODE_NONE; +float r_shadow_shadowmap_texturescale[4]; +float r_shadow_shadowmap_parameters[4]; +int r_shadow_drawbuffer; +int r_shadow_readbuffer; +GLuint r_shadow_fborectangle; +int r_shadow_shadowmode; +int r_shadow_shadowmapmaxsize; +int r_shadow_shadowmapfilter; +int r_shadow_shadowmapborder; +int r_shadow_lightscissor[4]; int maxshadowtriangles; int *shadowelements; @@ -196,6 +215,10 @@ rtexture_t *r_shadow_attenuationgradienttexture; rtexture_t *r_shadow_attenuation2dtexture; rtexture_t *r_shadow_attenuation3dtexture; rtexture_t *r_shadow_lightcorona; +rtexture_t *r_shadow_shadowmaprectangletexture; +rtexture_t *r_shadow_shadowmapcubeprojectiontexture[R_SHADOW_SHADOWMAP_NUMCUBEMAPS]; +int r_shadow_shadowmapsize; // changes for each light based on distance +int r_shadow_shadowmaplod; // changes for each light based on distance // lights are reloaded when this changes char r_shadow_mapname[MAX_QPATH]; @@ -211,7 +234,7 @@ cvar_t r_shadow_gloss = {CVAR_SAVE, "r_shadow_gloss", "1", "0 disables gloss (sp 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_glossexact = {0, "r_shadow_glossexact", "1", "use exact reflection math for gloss (slightly slower, but should look a tad better)"}; +cvar_t r_shadow_glossexact = {0, "r_shadow_glossexact", "0", "use exact reflection math for gloss (slightly slower, but should look a tad better)"}; 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"}; @@ -231,6 +254,15 @@ cvar_t r_shadow_realtime_world_compileshadow = {0, "r_shadow_realtime_world_comp 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_shadowmapping = {CVAR_SAVE, "r_shadow_shadowmapping", "0", "enables use of shadowmapping (depth texture sampling) instead of stencil shadow volumes, requires gl_fbo 1"}; +cvar_t r_shadow_shadowmapping_filterquality = {CVAR_SAVE, "r_shadow_shadowmapping_filterquality", "0", "shadowmap filter modes: 0 = no filtering, 1 = bilinear, 2 = bilinear small blur (fast), 3 = bilinear large blur (slow)"}; +cvar_t r_shadow_shadowmapping_minsize = {CVAR_SAVE, "r_shadow_shadowmapping_minsize", "32", "shadowmap size limit"}; +cvar_t r_shadow_shadowmapping_maxsize = {CVAR_SAVE, "r_shadow_shadowmapping_maxsize", "512", "shadowmap size limit"}; +cvar_t r_shadow_shadowmapping_lod_bias = {CVAR_SAVE, "r_shadow_shadowmapping_lod_bias", "16", "shadowmap size bias"}; +cvar_t r_shadow_shadowmapping_lod_scale = {CVAR_SAVE, "r_shadow_shadowmapping_lod_scale", "128", "shadowmap size scaling parameter"}; +cvar_t r_shadow_shadowmapping_bordersize = {CVAR_SAVE, "r_shadow_shadowmapping_bordersize", "4", "shadowmap size bias for filtering"}; +cvar_t r_shadow_shadowmapping_nearclip = {CVAR_SAVE, "r_shadow_shadowmapping_nearclip", "1", "shadowmap nearclip in world units"}; +cvar_t r_shadow_shadowmapping_bias = {CVAR_SAVE, "r_shadow_shadowmapping_bias", "0.03", "shadowmap bias parameter (this is multiplied by nearclip * 1024 / lodsize)"}; 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)"}; @@ -297,6 +329,34 @@ cachepic_t *r_editlights_sprcubemaplight; cachepic_t *r_editlights_sprcubemapnoshadowlight; cachepic_t *r_editlights_sprselection; +void R_Shadow_FreeShadowMaps(void) +{ + int i; + + r_shadow_shadowmapmaxsize = bound(1, r_shadow_shadowmapping_maxsize.integer, 2048); + r_shadow_shadowmode = r_shadow_shadowmapping.integer; + r_shadow_shadowmapfilter = r_shadow_shadowmapping_filterquality.integer; + r_shadow_shadowmapborder = bound(0, r_shadow_shadowmapping_bordersize.integer, 16); + r_shadow_shadowmaplod = -1; + + CHECKGLERROR + if (r_shadow_fborectangle) + qglDeleteFramebuffersEXT(1, &r_shadow_fborectangle); + r_shadow_fborectangle = 0; + CHECKGLERROR + + if (r_shadow_shadowmaprectangletexture) + R_FreeTexture(r_shadow_shadowmaprectangletexture); + r_shadow_shadowmaprectangletexture = NULL; + + for (i = 0;i < R_SHADOW_SHADOWMAP_NUMCUBEMAPS;i++) + if (r_shadow_shadowmapcubeprojectiontexture[i]) + R_FreeTexture(r_shadow_shadowmapcubeprojectiontexture[i]); + memset(r_shadow_shadowmapcubeprojectiontexture, 0, sizeof(r_shadow_shadowmapcubeprojectiontexture)); + + CHECKGLERROR +} + void r_shadow_start(void) { // allocate vertex processing arrays @@ -304,6 +364,17 @@ void r_shadow_start(void) r_shadow_attenuationgradienttexture = NULL; r_shadow_attenuation2dtexture = NULL; r_shadow_attenuation3dtexture = NULL; + r_shadow_shadowmode = 0; + r_shadow_shadowmaprectangletexture = NULL; + memset(r_shadow_shadowmapcubeprojectiontexture, 0, sizeof(r_shadow_shadowmapcubeprojectiontexture)); + r_shadow_shadowmapmaxsize = 0; + r_shadow_shadowmapsize = 0; + r_shadow_shadowmaplod = 0; + r_shadow_shadowmapfilter = 0; + r_shadow_fborectangle = 0; + + R_Shadow_FreeShadowMaps(); + r_shadow_texturepool = NULL; r_shadow_filters_texturepool = NULL; R_Shadow_ValidateCvars(); @@ -336,7 +407,12 @@ void r_shadow_start(void) void r_shadow_shutdown(void) { + CHECKGLERROR R_Shadow_UncompileWorldLights(); + + R_Shadow_FreeShadowMaps(); + + CHECKGLERROR numcubemaps = 0; r_shadow_attenuationgradienttexture = NULL; r_shadow_attenuation2dtexture = NULL; @@ -463,6 +539,15 @@ void R_Shadow_Init(void) Cvar_RegisterVariable(&r_shadow_realtime_world_compilesvbsp); Cvar_RegisterVariable(&r_shadow_realtime_world_compileportalculling); Cvar_RegisterVariable(&r_shadow_scissor); + Cvar_RegisterVariable(&r_shadow_shadowmapping); + Cvar_RegisterVariable(&r_shadow_shadowmapping_filterquality); + Cvar_RegisterVariable(&r_shadow_shadowmapping_maxsize); + Cvar_RegisterVariable(&r_shadow_shadowmapping_minsize); + Cvar_RegisterVariable(&r_shadow_shadowmapping_lod_bias); + Cvar_RegisterVariable(&r_shadow_shadowmapping_lod_scale); + Cvar_RegisterVariable(&r_shadow_shadowmapping_bordersize); + Cvar_RegisterVariable(&r_shadow_shadowmapping_nearclip); + Cvar_RegisterVariable(&r_shadow_shadowmapping_bias); Cvar_RegisterVariable(&r_shadow_culltriangles); Cvar_RegisterVariable(&r_shadow_polygonfactor); Cvar_RegisterVariable(&r_shadow_polygonoffset); @@ -615,7 +700,7 @@ 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, const float *projectdirection, float projectdistance, int numshadowmarktris, const int *shadowmarktris) +static int R_Shadow_ConstructShadowVolume_ZFail(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; @@ -812,6 +897,116 @@ int R_Shadow_ConstructShadowVolume(int innumvertices, int innumtris, const int * return outtriangles; } +static int R_Shadow_ConstructShadowVolume_ZPass(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, k; + int outtriangles = 0, outvertices = 0; + const int *element; + const float *vertex; + float ratio, direction[3], projectvector[3]; + qboolean side[4]; + + if (projectdirection) + VectorScale(projectdirection, projectdistance, projectvector); + else + VectorClear(projectvector); + + for (i = 0;i < numshadowmarktris;i++) + { + int remappedelement[3]; + int markindex; + const int *neighbortriangle; + + markindex = shadowmarktris[i] * 3; + neighbortriangle = inneighbor3i + markindex; + side[0] = shadowmark[neighbortriangle[0]] == shadowmarkcount; + side[1] = shadowmark[neighbortriangle[1]] == shadowmarkcount; + side[2] = shadowmark[neighbortriangle[2]] == shadowmarkcount; + if (side[0] + side[1] + side[2] == 0) + continue; + + side[3] = side[0]; + element = inelement3i + markindex; + + // create the vertices + for (j = 0;j < 3;j++) + { + if (side[j] + side[j+1] == 0) + continue; + k = element[j]; + if (vertexupdate[k] != vertexupdatenum) + { + vertexupdate[k] = vertexupdatenum; + vertexremap[k] = outvertices; + vertex = invertex3f + k * 3; + VectorCopy(vertex, outvertex3f); + if (projectdirection) + { + // project one copy of the vertex according to projectvector + VectorAdd(vertex, projectvector, (outvertex3f + 3)); + } + else + { + // 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); + VectorMA(projectorigin, ratio, direction, (outvertex3f + 3)); + } + outvertex3f += 6; + outvertices += 2; + } + } + + // output the sides (facing outward from this triangle) + if (!side[0]) + { + 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 (!side[1]) + { + 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 (!side[2]) + { + 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 (outnumvertices) + *outnumvertices = outvertices; + return outtriangles; +} + 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; @@ -871,6 +1066,24 @@ void R_Shadow_MarkVolumeFromBox(int firsttriangle, int numtris, const float *inv } } +qboolean R_Shadow_UseZPass(vec3_t mins, vec3_t maxs) +{ +#if 1 + return false; +#else + if (r_shadow_compilingrtlight || !r_shadow_frontsidecasting.integer || !r_shadow_usezpassifpossible.integer) + return false; + // check if the shadow volume intersects the near plane + // + // a ray between the eye and light origin may intersect the caster, + // indicating that the shadow may touch the eye location, however we must + // test the near plane (a polygon), not merely the eye location, so it is + // easiest to enlarge the caster bounding shape slightly for this. + // TODO + return true; +#endif +} + 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, vec3_t trismins, vec3_t trismaxs) { int i, tris, outverts; @@ -910,18 +1123,36 @@ void R_Shadow_VolumeFromList(int numverts, int numtris, const float *invertex3f, if (r_shadow_compilingrtlight) { // if we're compiling an rtlight, capture the mesh - tris = R_Shadow_ConstructShadowVolume(numverts, numtris, elements, neighbors, invertex3f, &outverts, shadowelements, shadowvertex3f, projectorigin, projectdirection, projectdistance, nummarktris, marktris); - Mod_ShadowMesh_AddMesh(r_main_mempool, r_shadow_compilingrtlight->static_meshchain_shadow, NULL, NULL, NULL, shadowvertex3f, NULL, NULL, NULL, NULL, tris, shadowelements); + //tris = R_Shadow_ConstructShadowVolume_ZPass(numverts, numtris, elements, neighbors, invertex3f, &outverts, shadowelements, shadowvertex3f, projectorigin, projectdirection, projectdistance, nummarktris, marktris); + //Mod_ShadowMesh_AddMesh(r_main_mempool, r_shadow_compilingrtlight->static_meshchain_shadow_zpass, NULL, NULL, NULL, shadowvertex3f, NULL, NULL, NULL, NULL, tris, shadowelements); + tris = R_Shadow_ConstructShadowVolume_ZFail(numverts, numtris, elements, neighbors, invertex3f, &outverts, shadowelements, shadowvertex3f, projectorigin, projectdirection, projectdistance, nummarktris, marktris); + Mod_ShadowMesh_AddMesh(r_main_mempool, r_shadow_compilingrtlight->static_meshchain_shadow_zfail, NULL, NULL, NULL, shadowvertex3f, NULL, NULL, NULL, NULL, tris, shadowelements); } else { - tris = R_Shadow_ConstructShadowVolume(numverts, numtris, elements, neighbors, invertex3f, &outverts, shadowelements, shadowvertex3f, projectorigin, projectdirection, projectdistance, nummarktris, marktris); + // decide which type of shadow to generate and set stencil mode + R_Shadow_RenderMode_StencilShadowVolumes(R_Shadow_UseZPass(trismins, trismaxs)); + // generate the sides or a solid volume, depending on type + if (r_shadow_rendermode >= R_SHADOW_RENDERMODE_ZPASS_STENCIL && r_shadow_rendermode <= R_SHADOW_RENDERMODE_ZPASS_STENCILTWOSIDE) + tris = R_Shadow_ConstructShadowVolume_ZPass(numverts, numtris, elements, neighbors, invertex3f, &outverts, shadowelements, shadowvertex3f, projectorigin, projectdirection, projectdistance, nummarktris, marktris); + else + tris = R_Shadow_ConstructShadowVolume_ZFail(numverts, numtris, elements, neighbors, invertex3f, &outverts, shadowelements, shadowvertex3f, projectorigin, projectdirection, projectdistance, nummarktris, marktris); r_refdef.stats.lights_dynamicshadowtriangles += tris; r_refdef.stats.lights_shadowtriangles += tris; CHECKGLERROR R_Mesh_VertexPointer(shadowvertex3f, 0, 0); GL_LockArrays(0, outverts); - if (r_shadow_rendermode == R_SHADOW_RENDERMODE_STENCIL) + if (r_shadow_rendermode == R_SHADOW_RENDERMODE_ZPASS_STENCIL) + { + // increment stencil if frontface is infront of depthbuffer + GL_CullFace(r_refdef.view.cullface_front); + qglStencilOp(GL_KEEP, GL_KEEP, GL_DECR);CHECKGLERROR + R_Mesh_Draw(0, outverts, 0, tris, shadowelements, NULL, 0, 0); + // decrement stencil if backface is infront of depthbuffer + GL_CullFace(r_refdef.view.cullface_back); + qglStencilOp(GL_KEEP, GL_KEEP, GL_INCR);CHECKGLERROR + } + else if (r_shadow_rendermode == R_SHADOW_RENDERMODE_ZFAIL_STENCIL) { // decrement stencil if backface is behind depthbuffer GL_CullFace(r_refdef.view.cullface_front); @@ -937,6 +1168,34 @@ void R_Shadow_VolumeFromList(int numverts, int numtris, const float *invertex3f, } } +void R_Shadow_ShadowMapFromList(int numverts, int numtris, const float *vertex3f, int vertex3f_bufferobject, int vertex3f_bufferoffset, const int *elements, int nummarktris, const int *marktris) +{ + int i, tris = nummarktris; + int *outelement3i; + const int *element; + if (!numverts || !nummarktris) + return; + // make sure shadowelements is big enough for this mesh + if (maxshadowtriangles < nummarktris || maxshadowvertices < numverts) + R_Shadow_ResizeShadowArrays((numverts + 255) & ~255, (nummarktris + 255) & ~255); + + // gather up the (sparse) triangles into one array + outelement3i = shadowelements; + for (i = 0;i < nummarktris;i++) + { + element = elements + marktris[i] * 3; + outelement3i[0] = element[0]; + outelement3i[1] = element[1]; + outelement3i[2] = element[2]; + outelement3i += 3; + } + + r_refdef.stats.lights_dynamicshadowtriangles += tris; + r_refdef.stats.lights_shadowtriangles += tris; + R_Mesh_VertexPointer(vertex3f, vertex3f_bufferobject, vertex3f_bufferoffset); + R_Mesh_Draw(0, numverts, 0, tris, shadowelements, NULL, 0, 0); +} + static void R_Shadow_MakeTextures_MakeCorona(void) { float dx, dy; @@ -956,7 +1215,7 @@ static void R_Shadow_MakeTextures_MakeCorona(void) pixels[y][x][3] = 255; } } - r_shadow_lightcorona = R_LoadTexture2D(r_shadow_texturepool, "lightcorona", 32, 32, &pixels[0][0][0], TEXTYPE_BGRA, TEXF_PRECACHE, NULL); + r_shadow_lightcorona = R_LoadTexture2D(r_shadow_texturepool, "lightcorona", 32, 32, &pixels[0][0][0], TEXTYPE_BGRA, TEXF_PRECACHE | TEXF_FORCELINEAR, NULL); } static unsigned int R_Shadow_MakeTextures_SamplePoint(float x, float y, float z) @@ -987,12 +1246,12 @@ static void R_Shadow_MakeTextures(void) // 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, (unsigned char *)data, TEXTYPE_BGRA, TEXF_PRECACHE | TEXF_CLAMP | TEXF_ALPHA, NULL); + r_shadow_attenuationgradienttexture = R_LoadTexture2D(r_shadow_texturepool, "attenuation1d", ATTEN1DSIZE, 1, (unsigned char *)data, TEXTYPE_BGRA, TEXF_PRECACHE | TEXF_CLAMP | TEXF_ALPHA | TEXF_FORCELINEAR, NULL); // 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, (unsigned char *)data, TEXTYPE_BGRA, TEXF_PRECACHE | TEXF_CLAMP | TEXF_ALPHA, NULL); + r_shadow_attenuation2dtexture = R_LoadTexture2D(r_shadow_texturepool, "attenuation2d", ATTEN2DSIZE, ATTEN2DSIZE, (unsigned char *)data, TEXTYPE_BGRA, TEXF_PRECACHE | TEXF_CLAMP | TEXF_ALPHA | TEXF_FORCELINEAR, NULL); // 3D sphere texture if (r_shadow_texture3d.integer && gl_texture3d) { @@ -1000,7 +1259,7 @@ static void R_Shadow_MakeTextures(void) for (y = 0;y < ATTEN3DSIZE;y++) for (x = 0;x < ATTEN3DSIZE;x++) 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, (unsigned char *)data, TEXTYPE_BGRA, TEXF_PRECACHE | TEXF_CLAMP | TEXF_ALPHA, NULL); + r_shadow_attenuation3dtexture = R_LoadTexture3D(r_shadow_texturepool, "attenuation3d", ATTEN3DSIZE, ATTEN3DSIZE, ATTEN3DSIZE, (unsigned char *)data, TEXTYPE_BGRA, TEXF_PRECACHE | TEXF_CLAMP | TEXF_ALPHA | TEXF_FORCELINEAR, NULL); } else r_shadow_attenuation3dtexture = NULL; @@ -1029,6 +1288,8 @@ void R_Shadow_ValidateCvars(void) void R_Shadow_RenderMode_Begin(void) { + GLint drawbuffer; + GLint readbuffer; R_Shadow_ValidateCvars(); if (!r_shadow_attenuation2dtexture @@ -1046,16 +1307,25 @@ void R_Shadow_RenderMode_Begin(void) GL_DepthTest(true); GL_DepthMask(false); GL_Color(0, 0, 0, 1); - GL_Scissor(r_refdef.view.x, r_refdef.view.y, r_refdef.view.width, r_refdef.view.height); + GL_Scissor(r_refdef.view.viewport.x, r_refdef.view.viewport.y, r_refdef.view.viewport.width, r_refdef.view.viewport.height); r_shadow_rendermode = R_SHADOW_RENDERMODE_NONE; if (gl_ext_separatestencil.integer) - r_shadow_shadowingrendermode = R_SHADOW_RENDERMODE_SEPARATESTENCIL; + { + r_shadow_shadowingrendermode_zpass = R_SHADOW_RENDERMODE_ZPASS_SEPARATESTENCIL; + r_shadow_shadowingrendermode_zfail = R_SHADOW_RENDERMODE_ZFAIL_SEPARATESTENCIL; + } else if (gl_ext_stenciltwoside.integer) - r_shadow_shadowingrendermode = R_SHADOW_RENDERMODE_STENCILTWOSIDE; + { + r_shadow_shadowingrendermode_zpass = R_SHADOW_RENDERMODE_ZPASS_STENCILTWOSIDE; + r_shadow_shadowingrendermode_zfail = R_SHADOW_RENDERMODE_ZFAIL_STENCILTWOSIDE; + } else - r_shadow_shadowingrendermode = R_SHADOW_RENDERMODE_STENCIL; + { + r_shadow_shadowingrendermode_zpass = R_SHADOW_RENDERMODE_ZPASS_STENCIL; + r_shadow_shadowingrendermode_zfail = R_SHADOW_RENDERMODE_ZFAIL_STENCIL; + } if (r_glsl.integer && gl_support_fragment_shader) r_shadow_lightingrendermode = R_SHADOW_RENDERMODE_LIGHT_GLSL; @@ -1063,6 +1333,12 @@ void R_Shadow_RenderMode_Begin(void) r_shadow_lightingrendermode = R_SHADOW_RENDERMODE_LIGHT_DOT3; else r_shadow_lightingrendermode = R_SHADOW_RENDERMODE_LIGHT_VERTEX; + + CHECKGLERROR + qglGetIntegerv(GL_DRAW_BUFFER, &drawbuffer);CHECKGLERROR + qglGetIntegerv(GL_READ_BUFFER, &readbuffer);CHECKGLERROR + r_shadow_drawbuffer = drawbuffer; + r_shadow_readbuffer = readbuffer; } void R_Shadow_RenderMode_ActiveLight(const rtlight_t *rtlight) @@ -1073,10 +1349,18 @@ void R_Shadow_RenderMode_ActiveLight(const rtlight_t *rtlight) void R_Shadow_RenderMode_Reset(void) { CHECKGLERROR - if (r_shadow_rendermode == R_SHADOW_RENDERMODE_STENCILTWOSIDE) + if (r_shadow_rendermode == R_SHADOW_RENDERMODE_ZPASS_STENCILTWOSIDE || r_shadow_rendermode == R_SHADOW_RENDERMODE_ZFAIL_STENCILTWOSIDE) { qglDisable(GL_STENCIL_TEST_TWO_SIDE_EXT);CHECKGLERROR } + if (gl_support_ext_framebuffer_object) + { + qglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);CHECKGLERROR + } + qglDrawBuffer(r_shadow_drawbuffer);CHECKGLERROR + qglReadBuffer(r_shadow_readbuffer);CHECKGLERROR + R_SetViewport(&r_refdef.view.viewport); + GL_Scissor(r_shadow_lightscissor[0], r_shadow_lightscissor[1], r_shadow_lightscissor[2], r_shadow_lightscissor[3]); R_Mesh_ColorPointer(NULL, 0, 0); R_Mesh_ResetTextureState(); GL_DepthRange(0, 1); @@ -1093,6 +1377,7 @@ void R_Shadow_RenderMode_Reset(void) GL_ColorMask(r_refdef.view.colormask[0], r_refdef.view.colormask[1], r_refdef.view.colormask[2], 1); GL_BlendFunc(GL_ONE, GL_ZERO); R_SetupGenericShader(false); + CHECKGLERROR } void R_Shadow_ClearStencil(void) @@ -1102,8 +1387,11 @@ void R_Shadow_ClearStencil(void) r_refdef.stats.lights_clears++; } -void R_Shadow_RenderMode_StencilShadowVolumes(void) +void R_Shadow_RenderMode_StencilShadowVolumes(qboolean zpass) { + r_shadow_rendermode_t mode = zpass ? r_shadow_shadowingrendermode_zpass : r_shadow_shadowingrendermode_zfail; + if (r_shadow_rendermode == mode) + return; CHECKGLERROR R_Shadow_RenderMode_Reset(); GL_ColorMask(0, 0, 0, 0); @@ -1111,15 +1399,32 @@ void R_Shadow_RenderMode_StencilShadowVolumes(void) R_SetupDepthOrShadowShader(); qglDepthFunc(GL_LESS);CHECKGLERROR qglEnable(GL_STENCIL_TEST);CHECKGLERROR - r_shadow_rendermode = r_shadow_shadowingrendermode; - if (r_shadow_rendermode == R_SHADOW_RENDERMODE_SEPARATESTENCIL) + r_shadow_rendermode = mode; + switch(mode) { + default: + break; + case R_SHADOW_RENDERMODE_ZPASS_SEPARATESTENCIL: + GL_CullFace(GL_NONE); + qglStencilOpSeparate(r_refdef.view.cullface_front, GL_KEEP, GL_KEEP, GL_INCR);CHECKGLERROR + qglStencilOpSeparate(r_refdef.view.cullface_back, GL_KEEP, GL_KEEP, GL_DECR);CHECKGLERROR + break; + case R_SHADOW_RENDERMODE_ZFAIL_SEPARATESTENCIL: GL_CullFace(GL_NONE); qglStencilOpSeparate(r_refdef.view.cullface_front, GL_KEEP, GL_INCR, GL_KEEP);CHECKGLERROR qglStencilOpSeparate(r_refdef.view.cullface_back, GL_KEEP, GL_DECR, GL_KEEP);CHECKGLERROR - } - else if (r_shadow_rendermode == R_SHADOW_RENDERMODE_STENCILTWOSIDE) - { + break; + case R_SHADOW_RENDERMODE_ZPASS_STENCILTWOSIDE: + GL_CullFace(GL_NONE); + qglEnable(GL_STENCIL_TEST_TWO_SIDE_EXT);CHECKGLERROR + qglActiveStencilFaceEXT(r_refdef.view.cullface_front);CHECKGLERROR + qglStencilMask(~0);CHECKGLERROR + qglStencilOp(GL_KEEP, GL_KEEP, GL_INCR);CHECKGLERROR + qglActiveStencilFaceEXT(r_refdef.view.cullface_back);CHECKGLERROR + qglStencilMask(~0);CHECKGLERROR + qglStencilOp(GL_KEEP, GL_KEEP, GL_DECR);CHECKGLERROR + break; + case R_SHADOW_RENDERMODE_ZFAIL_STENCILTWOSIDE: GL_CullFace(GL_NONE); qglEnable(GL_STENCIL_TEST_TWO_SIDE_EXT);CHECKGLERROR qglActiveStencilFaceEXT(r_refdef.view.cullface_front);CHECKGLERROR @@ -1128,10 +1433,80 @@ void R_Shadow_RenderMode_StencilShadowVolumes(void) qglActiveStencilFaceEXT(r_refdef.view.cullface_back);CHECKGLERROR qglStencilMask(~0);CHECKGLERROR qglStencilOp(GL_KEEP, GL_DECR, GL_KEEP);CHECKGLERROR + break; } } -void R_Shadow_RenderMode_Lighting(qboolean stenciltest, qboolean transparent) +void R_Shadow_RenderMode_ShadowMap(int side, qboolean clear, int size) +{ + int status; + int maxsize; + float nearclip, farclip, bias; + r_viewport_t viewport; + CHECKGLERROR + maxsize = r_shadow_shadowmapmaxsize; + nearclip = r_shadow_shadowmapping_nearclip.value / rsurface.rtlight->radius; + farclip = 1.0f; + bias = r_shadow_shadowmapping_bias.value * nearclip * (1024.0f / size);// * rsurface.rtlight->radius; + // complex unrolled cube approach (more flexible) + if (!r_shadow_shadowmapcubeprojectiontexture[r_shadow_shadowmaplod]) + r_shadow_shadowmapcubeprojectiontexture[r_shadow_shadowmaplod] = R_LoadTextureCubeProjection(r_shadow_texturepool, "shadowmapcubeprojection", size, r_shadow_shadowmapborder); + if (!r_shadow_shadowmaprectangletexture) + { +#if 1 + r_shadow_shadowmaprectangletexture = R_LoadTextureShadowMapRectangle(r_shadow_texturepool, "shadowmap", maxsize*2, maxsize*3, r_shadow_shadowmapfilter == 1 || r_shadow_shadowmapfilter == 2); + qglGenFramebuffersEXT(1, &r_shadow_fborectangle);CHECKGLERROR + qglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, r_shadow_fborectangle);CHECKGLERROR + qglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_TEXTURE_RECTANGLE_ARB, R_GetTexture(r_shadow_shadowmaprectangletexture), 0);CHECKGLERROR +#endif + } + CHECKGLERROR + R_Shadow_RenderMode_Reset(); + if (r_shadow_shadowmaprectangletexture) + { + // render depth into the fbo, do not render color at all + qglBindFramebufferEXT(GL_FRAMEBUFFER_EXT, r_shadow_fborectangle);CHECKGLERROR + qglDrawBuffer(GL_NONE);CHECKGLERROR + qglReadBuffer(GL_NONE);CHECKGLERROR + status = qglCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);CHECKGLERROR + if (status != GL_FRAMEBUFFER_COMPLETE_EXT) + { + Con_Printf("R_Shadow_RenderMode_ShadowMap: glCheckFramebufferStatusEXT returned %i\n", status); + Cvar_SetValueQuick(&r_shadow_shadowmapping, 0); + } + R_SetupDepthOrShadowShader(); + } + else + { + R_SetupShowDepthShader(); + qglClearColor(1,1,1,1);CHECKGLERROR + } + R_Viewport_InitRectSideView(&viewport, &rsurface.rtlight->matrix_lighttoworld, side, size, r_shadow_shadowmapborder, nearclip, farclip, NULL); + r_shadow_shadowmap_texturescale[0] = 2*size; + r_shadow_shadowmap_texturescale[1] = 3*size; + r_shadow_shadowmap_texturescale[2] = 0.5f + 0.5f * (farclip + nearclip) / (farclip - nearclip); + r_shadow_shadowmap_texturescale[3] = -nearclip * farclip / (farclip - nearclip) - 0.5f * bias; + // compat for ALU cubemap calcs + r_shadow_shadowmap_parameters[0] = 0.5f * (size - r_shadow_shadowmapborder); + r_shadow_shadowmap_parameters[1] = size; + r_shadow_shadowmap_parameters[2] = r_shadow_shadowmap_texturescale[2]; + r_shadow_shadowmap_parameters[3] = r_shadow_shadowmap_texturescale[3]; + r_shadow_rendermode = R_SHADOW_RENDERMODE_SHADOWMAPRECTANGLE; + CHECKGLERROR + R_SetViewport(&viewport); + GL_PolygonOffset(0, 0); + GL_CullFace(GL_NONE); // quake is backwards + GL_Scissor(viewport.x, viewport.y, viewport.width, viewport.height); + GL_DepthMask(true); + GL_DepthTest(true); + qglClearDepth(1);CHECKGLERROR + CHECKGLERROR + if (clear) + qglClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT); + CHECKGLERROR +} + +void R_Shadow_RenderMode_Lighting(qboolean stenciltest, qboolean transparent, qboolean shadowmapping) { CHECKGLERROR R_Shadow_RenderMode_Reset(); @@ -1153,10 +1528,19 @@ void R_Shadow_RenderMode_Lighting(qboolean stenciltest, qboolean transparent) { R_Mesh_TexBindCubeMap(GL20TU_CUBE, R_GetTexture(rsurface.rtlight->currentcubemap)); // light filter GL_ColorMask(r_refdef.view.colormask[0], r_refdef.view.colormask[1], r_refdef.view.colormask[2], 0); + CHECKGLERROR + if (shadowmapping) + { + R_Mesh_TexBindRectangle(GL20TU_SHADOWMAPRECT, R_GetTexture(r_shadow_shadowmaprectangletexture)); + CHECKGLERROR + R_Mesh_TexBindCubeMap(GL20TU_CUBEPROJECTION, R_GetTexture(r_shadow_shadowmapcubeprojectiontexture[r_shadow_shadowmaplod])); + CHECKGLERROR + } } else if (r_shadow_rendermode == R_SHADOW_RENDERMODE_LIGHT_VERTEX) R_Mesh_ColorPointer(rsurface.array_color4f, 0, 0); GL_BlendFunc(GL_SRC_ALPHA, GL_ONE); + CHECKGLERROR } void R_Shadow_RenderMode_VisibleShadowVolumes(void) @@ -1198,7 +1582,7 @@ void R_Shadow_RenderMode_End(void) R_Shadow_RenderMode_Reset(); R_Shadow_RenderMode_ActiveLight(NULL); GL_DepthMask(true); - GL_Scissor(r_refdef.view.x, r_refdef.view.y, r_refdef.view.width, r_refdef.view.height); + GL_Scissor(r_refdef.view.viewport.x, r_refdef.view.viewport.y, r_refdef.view.viewport.width, r_refdef.view.viewport.height); r_shadow_rendermode = R_SHADOW_RENDERMODE_NONE; } @@ -1235,15 +1619,17 @@ qboolean R_Shadow_ScissorForBBox(const float *mins, const float *maxs) int sign[8]; float f; + r_shadow_lightscissor[0] = r_refdef.view.viewport.x; + r_shadow_lightscissor[1] = r_refdef.view.viewport.y; + r_shadow_lightscissor[2] = r_refdef.view.viewport.width; + r_shadow_lightscissor[3] = r_refdef.view.viewport.height; + if (!r_shadow_scissor.integer) return false; // if view is inside the light box, just say yes it's visible if (BoxesOverlap(r_refdef.view.origin, r_refdef.view.origin, mins, maxs)) - { - GL_Scissor(r_refdef.view.x, r_refdef.view.y, r_refdef.view.width, r_refdef.view.height); return false; - } x1 = y1 = x2 = y2 = 0; @@ -1291,7 +1677,7 @@ qboolean R_Shadow_ScissorForBBox(const float *mins, const float *maxs) for (i = 0;i < numvertices;i++) { VectorCopy(vertex[i], v); - GL_TransformToScreen(v, v2); + R_Viewport_TransformToScreen(&r_refdef.view.viewport, v, v2); //Con_Printf("%.3f %.3f %.3f %.3f transformed to %.3f %.3f %.3f %.3f\n", v[0], v[1], v[2], v[3], v2[0], v2[1], v2[2], v2[3]); if (i) { @@ -1309,25 +1695,27 @@ qboolean R_Shadow_ScissorForBBox(const float *mins, const float *maxs) // now convert the scissor rectangle to integer screen coordinates ix1 = (int)(x1 - 1.0f); - iy1 = (int)(y1 - 1.0f); + iy1 = vid.height - (int)(y2 - 1.0f); ix2 = (int)(x2 + 1.0f); - iy2 = (int)(y2 + 1.0f); + iy2 = vid.height - (int)(y1 + 1.0f); //Con_Printf("%f %f %f %f\n", x1, y1, x2, y2); // clamp it to the screen - if (ix1 < r_refdef.view.x) ix1 = r_refdef.view.x; - if (iy1 < r_refdef.view.y) iy1 = r_refdef.view.y; - if (ix2 > r_refdef.view.x + r_refdef.view.width) ix2 = r_refdef.view.x + r_refdef.view.width; - if (iy2 > r_refdef.view.y + r_refdef.view.height) iy2 = r_refdef.view.y + r_refdef.view.height; + if (ix1 < r_refdef.view.viewport.x) ix1 = r_refdef.view.viewport.x; + if (iy1 < r_refdef.view.viewport.y) iy1 = r_refdef.view.viewport.y; + if (ix2 > r_refdef.view.viewport.x + r_refdef.view.viewport.width) ix2 = r_refdef.view.viewport.x + r_refdef.view.viewport.width; + if (iy2 > r_refdef.view.viewport.y + r_refdef.view.viewport.height) iy2 = r_refdef.view.viewport.y + r_refdef.view.viewport.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, iy1, ix2 - ix1, iy2 - iy1); - //qglScissor(ix1, iy1, ix2 - ix1, iy2 - iy1);CHECKGLERROR - //qglEnable(GL_SCISSOR_TEST);CHECKGLERROR + r_shadow_lightscissor[0] = ix1; + r_shadow_lightscissor[1] = iy1; + r_shadow_lightscissor[2] = ix2 - ix1; + r_shadow_lightscissor[3] = iy2 - iy1; + r_refdef.stats.lights_scissored++; return false; } @@ -1557,6 +1945,7 @@ static void R_Shadow_RenderLighting_Light_GLSL(int firstvertex, int numvertices, else R_Mesh_ColorPointer(NULL, 0, 0); R_Mesh_TexMatrix(0, &rsurface.texture->currenttexmatrix); + R_Mesh_TexMatrix(1, &rsurface.texture->currentbackgroundtexmatrix); R_Mesh_TexBind(GL20TU_NORMAL, R_GetTexture(rsurface.texture->currentskinframe->nmap)); R_Mesh_TexBind(GL20TU_COLOR, R_GetTexture(rsurface.texture->basetexture)); R_Mesh_TexBind(GL20TU_GLOSS, R_GetTexture(rsurface.texture->glosstexture)); @@ -1565,6 +1954,7 @@ static void R_Shadow_RenderLighting_Light_GLSL(int firstvertex, int numvertices, R_Mesh_TexBind(GL20TU_SECONDARY_NORMAL, R_GetTexture(rsurface.texture->backgroundcurrentskinframe->nmap)); R_Mesh_TexBind(GL20TU_SECONDARY_COLOR, R_GetTexture(rsurface.texture->backgroundbasetexture)); R_Mesh_TexBind(GL20TU_SECONDARY_GLOSS, R_GetTexture(rsurface.texture->backgroundglosstexture)); + R_Mesh_TexBind(GL20TU_SECONDARY_GLOW, R_GetTexture(rsurface.texture->backgroundcurrentskinframe->glow)); } //R_Mesh_TexBindCubeMap(GL20TU_CUBE, R_GetTexture(rsurface.rtlight->currentcubemap)); R_Mesh_TexBind(GL20TU_FOGMASK, R_GetTexture(r_texture_fogattenuation)); @@ -2414,7 +2804,7 @@ void R_Shadow_RenderLighting(int firstvertex, int numvertices, int firsttriangle } } -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) +void R_RTLight_Update(rtlight_t *rtlight, int isstatic, matrix4x4_t *matrix, vec3_t color, int style, const char *cubemapname, int shadow, vec_t corona, vec_t coronasizescale, vec_t ambientscale, vec_t diffusescale, vec_t specularscale, int flags) { matrix4x4_t tempmatrix = *matrix; Matrix4x4_Scale(&tempmatrix, r_shadow_lightradiusscale.value, 1); @@ -2461,10 +2851,11 @@ void R_RTLight_Compile(rtlight_t *rtlight) { int i; int numsurfaces, numleafs, numleafpvsbytes, numshadowtrispvsbytes, numlighttrispvsbytes; - int lighttris, shadowtris, shadowmeshes, shadowmeshtris; + int lighttris, shadowtris, shadowzpasstris, shadowzfailtris; entity_render_t *ent = r_refdef.scene.worldentity; dp_model_t *model = r_refdef.scene.worldmodel; unsigned char *data; + shadowmesh_t *mesh; // compile the light rtlight->compiled = true; @@ -2522,17 +2913,15 @@ void R_RTLight_Compile(rtlight_t *rtlight) //rtlight->cullradius = RadiusFromBoundsAndOrigin(rtlight->cullmins, rtlight->cullmaxs, rtlight->shadoworigin); //rtlight->cullradius = min(rtlight->cullradius, rtlight->radius); - shadowmeshes = 0; - shadowmeshtris = 0; - if (rtlight->static_meshchain_shadow) - { - shadowmesh_t *mesh; - for (mesh = rtlight->static_meshchain_shadow;mesh;mesh = mesh->next) - { - shadowmeshes++; - shadowmeshtris += mesh->numtriangles; - } - } + shadowzpasstris = 0; + if (rtlight->static_meshchain_shadow_zpass) + for (mesh = rtlight->static_meshchain_shadow_zpass;mesh;mesh = mesh->next) + shadowzpasstris += mesh->numtriangles; + + shadowzfailtris = 0; + if (rtlight->static_meshchain_shadow_zfail) + for (mesh = rtlight->static_meshchain_shadow_zfail;mesh;mesh = mesh->next) + shadowzfailtris += mesh->numtriangles; lighttris = 0; if (rtlight->static_numlighttrispvsbytes) @@ -2547,16 +2936,19 @@ void R_RTLight_Compile(rtlight_t *rtlight) 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); + Con_Printf("static light built: %f %f %f : %f %f %f box, %i light triangles, %i shadow triangles, %i zpass/%i zfail compiled shadow volume triangles\n", rtlight->cullmins[0], rtlight->cullmins[1], rtlight->cullmins[2], rtlight->cullmaxs[0], rtlight->cullmaxs[1], rtlight->cullmaxs[2], lighttris, shadowtris, shadowzpasstris, shadowzfailtris); } void R_RTLight_Uncompile(rtlight_t *rtlight) { if (rtlight->compiled) { - if (rtlight->static_meshchain_shadow) - Mod_ShadowMesh_Free(rtlight->static_meshchain_shadow); - rtlight->static_meshchain_shadow = NULL; + if (rtlight->static_meshchain_shadow_zpass) + Mod_ShadowMesh_Free(rtlight->static_meshchain_shadow_zpass); + rtlight->static_meshchain_shadow_zpass = NULL; + if (rtlight->static_meshchain_shadow_zfail) + Mod_ShadowMesh_Free(rtlight->static_meshchain_shadow_zfail); + rtlight->static_meshchain_shadow_zfail = NULL; // these allocations are grouped if (rtlight->static_surfacelist) Mem_Free(rtlight->static_surfacelist); @@ -2756,17 +3148,43 @@ void R_Shadow_ComputeShadowCasterCullingPlanes(rtlight_t *rtlight) void R_Shadow_DrawWorldShadow(int numsurfaces, int *surfacelist, const unsigned char *trispvs) { + qboolean zpass; + shadowmesh_t *mesh; + int t, tend; + int surfacelistindex; + msurface_t *surface; + RSurf_ActiveWorldEntity(); + if (r_shadow_rendermode == R_SHADOW_RENDERMODE_SHADOWMAPRECTANGLE || r_shadow_rendermode == R_SHADOW_RENDERMODE_SHADOWMAPCUBESIDE || r_shadow_rendermode == R_SHADOW_RENDERMODE_SHADOWMAP2D) + { + if (r_refdef.scene.worldentity->model) + r_refdef.scene.worldmodel->DrawShadowMap(r_refdef.scene.worldentity, rsurface.rtlight->shadoworigin, NULL, rsurface.rtlight->radius, numsurfaces, surfacelist, rsurface.rtlight_cullmins, rsurface.rtlight_cullmaxs); + rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity + return; + } + if (rsurface.rtlight->compiled && r_shadow_realtime_world_compile.integer && r_shadow_realtime_world_compileshadow.integer) { - shadowmesh_t *mesh; CHECKGLERROR - for (mesh = rsurface.rtlight->static_meshchain_shadow;mesh;mesh = mesh->next) + zpass = R_Shadow_UseZPass(r_refdef.scene.worldmodel->normalmins, r_refdef.scene.worldmodel->normalmaxs); + R_Shadow_RenderMode_StencilShadowVolumes(zpass); + mesh = zpass ? rsurface.rtlight->static_meshchain_shadow_zpass : rsurface.rtlight->static_meshchain_shadow_zfail; + for (;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) + if (r_shadow_rendermode == R_SHADOW_RENDERMODE_ZPASS_STENCIL) + { + // increment stencil if frontface is infront of depthbuffer + GL_CullFace(r_refdef.view.cullface_back); + qglStencilOp(GL_KEEP, GL_KEEP, GL_INCR);CHECKGLERROR + R_Mesh_Draw(0, mesh->numverts, 0, mesh->numtriangles, mesh->element3i, mesh->element3s, mesh->ebo3i, mesh->ebo3s); + // decrement stencil if backface is infront of depthbuffer + GL_CullFace(r_refdef.view.cullface_front); + qglStencilOp(GL_KEEP, GL_KEEP, GL_DECR);CHECKGLERROR + } + else if (r_shadow_rendermode == R_SHADOW_RENDERMODE_ZFAIL_STENCIL) { // decrement stencil if backface is behind depthbuffer GL_CullFace(r_refdef.view.cullface_front); @@ -2783,9 +3201,6 @@ void R_Shadow_DrawWorldShadow(int numsurfaces, int *surfacelist, const unsigned } else if (numsurfaces && r_refdef.scene.worldmodel->brush.shadowmesh && r_shadow_culltriangles.integer) { - int t, tend; - int surfacelistindex; - msurface_t *surface; R_Shadow_PrepareShadowMark(r_refdef.scene.worldmodel->brush.shadowmesh->numtriangles); for (surfacelistindex = 0;surfacelistindex < numsurfaces;surfacelistindex++) { @@ -2798,6 +3213,8 @@ void R_Shadow_DrawWorldShadow(int numsurfaces, int *surfacelist, const unsigned } else if (numsurfaces) r_refdef.scene.worldmodel->DrawShadowVolume(r_refdef.scene.worldentity, rsurface.rtlight->shadoworigin, NULL, rsurface.rtlight->radius, numsurfaces, surfacelist, rsurface.rtlight_cullmins, rsurface.rtlight_cullmaxs); + + rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity } void R_Shadow_DrawEntityShadow(entity_render_t *ent) @@ -2813,7 +3230,11 @@ void R_Shadow_DrawEntityShadow(entity_render_t *ent) 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); + if (r_shadow_rendermode == R_SHADOW_RENDERMODE_SHADOWMAPRECTANGLE || r_shadow_rendermode == R_SHADOW_RENDERMODE_SHADOWMAPCUBESIDE || r_shadow_rendermode == R_SHADOW_RENDERMODE_SHADOWMAP2D) + ent->model->DrawShadowMap(ent, relativeshadoworigin, NULL, relativeshadowradius, ent->model->nummodelsurfaces, ent->model->sortedmodelsurfaces, relativeshadowmins, relativeshadowmaxs); + else + ent->model->DrawShadowVolume(ent, relativeshadoworigin, NULL, relativeshadowradius, ent->model->nummodelsurfaces, ent->model->sortedmodelsurfaces, relativeshadowmins, relativeshadowmaxs); + rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity } void R_Shadow_SetupEntityLight(const entity_render_t *ent) @@ -2845,6 +3266,8 @@ void R_Shadow_DrawWorldLight(int numsurfaces, int *surfacelist, const unsigned c R_Mesh_TexMatrix(3, &rsurface.entitytolight); r_refdef.scene.worldmodel->DrawLight(r_refdef.scene.worldentity, numsurfaces, surfacelist, trispvs); + + rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity } void R_Shadow_DrawEntityLight(entity_render_t *ent) @@ -2855,9 +3278,60 @@ void R_Shadow_DrawEntityLight(entity_render_t *ent) R_Shadow_SetupEntityLight(ent); - model->DrawLight(ent, model->nummodelsurfaces, model->surfacelist, NULL); + model->DrawLight(ent, model->nummodelsurfaces, model->sortedmodelsurfaces, NULL); + + rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity } +/* +{{ 0, 0, 0}, "px", true, true, true}, +{{ 0, 90, 0}, "py", false, true, false}, +{{ 0, 180, 0}, "nx", false, false, true}, +{{ 0, 270, 0}, "ny", true, false, false}, +{{-90, 180, 0}, "pz", false, false, true}, +{{ 90, 180, 0}, "nz", false, false, true} +*/ + +static const double shadowviewmat16[6][4][4] = +{ + { + {-1, 0, 0, 0}, + { 0, -1, 0, 0}, + { 0, 0, 1, 0}, + { 0, 0, 0, 1}, + }, + { + { 0, -1, 0, 0}, + {-1, 0, 0, 0}, + { 0, 0, 1, 0}, + { 0, 0, 0, 1}, + }, + { + {-1, 0, 0, 0}, + { 0, -1, 0, 0}, + { 0, 0, 1, 0}, + { 0, 0, 0, 1}, + }, + { + { 0, -1, 0, 0}, + {-1, 0, 0, 0}, + { 0, 0, 1, 0}, + { 0, 0, 0, 1}, + }, + { + { 0, 0, 1, 0}, + { 0, -1, 0, 0}, + { 1, 0, 0, 0}, + { 0, 0, 0, 1}, + }, + { + { 0, 0, -1, 0}, + { 0, -1, 0, 0}, + {-1, 0, 0, 0}, + { 0, 0, 0, 1}, + }, +}; + void R_DrawRTLight(rtlight_t *rtlight, qboolean visible) { int i; @@ -2873,6 +3347,10 @@ void R_DrawRTLight(rtlight_t *rtlight, qboolean visible) static entity_render_t *lightentities_noselfshadow[MAX_EDICTS]; static entity_render_t *shadowentities[MAX_EDICTS]; static entity_render_t *shadowentities_noselfshadow[MAX_EDICTS]; + vec3_t nearestpoint; + vec_t distance; + qboolean castshadows; + int lodlinear; // 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) @@ -3060,12 +3538,84 @@ void R_DrawRTLight(rtlight_t *rtlight, qboolean visible) R_Shadow_DrawEntityShadow(shadowentities_noselfshadow[i]); } - if (gl_stencil && numsurfaces + numshadowentities + numshadowentities_noselfshadow && rtlight->shadow && (rtlight->isstatic ? r_refdef.scene.rtworldshadows : r_refdef.scene.rtdlightshadows)) + if (r_showlighting.integer && r_refdef.view.showdebug && numsurfaces + numlightentities + numlightentities_noselfshadow) + { + // optionally draw the illuminated areas + // for performance analysis by level designers + 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]); + for (i = 0;i < numlightentities_noselfshadow;i++) + R_Shadow_DrawEntityLight(lightentities_noselfshadow[i]); + } + + castshadows = numsurfaces + numshadowentities + numshadowentities_noselfshadow > 0 && rtlight->shadow && (rtlight->isstatic ? r_refdef.scene.rtworldshadows : r_refdef.scene.rtdlightshadows); + + nearestpoint[0] = bound(rtlight->cullmins[0], r_refdef.view.origin[0], rtlight->cullmaxs[0]); + nearestpoint[1] = bound(rtlight->cullmins[1], r_refdef.view.origin[1], rtlight->cullmaxs[1]); + nearestpoint[2] = bound(rtlight->cullmins[2], r_refdef.view.origin[2], rtlight->cullmaxs[2]); + distance = VectorDistance(nearestpoint, r_refdef.view.origin); + lodlinear = (int)(r_shadow_shadowmapping_lod_bias.value + r_shadow_shadowmapping_lod_scale.value * rtlight->radius / max(1.0f, distance)); + lodlinear = bound(r_shadow_shadowmapping_minsize.integer, lodlinear, r_shadow_shadowmapping_maxsize.integer); + + if (castshadows && r_shadow_shadowmode && r_glsl.integer && gl_support_fragment_shader) + { + int side; + int size; + + r_shadow_shadowmaplod = 0; + for (i = 1;i < R_SHADOW_SHADOWMAP_NUMCUBEMAPS;i++) + if ((r_shadow_shadowmapping_maxsize.integer >> i) > lodlinear) + r_shadow_shadowmaplod = i; + + size = bound(1, r_shadow_shadowmapping_maxsize.integer >> r_shadow_shadowmaplod, 2048); + + //Con_Printf("distance %f lodlinear %i (lod %i) size %i\n", distance, lodlinear, r_shadow_shadowmaplod, size); + + // render shadow casters into 6 sided depth texture + for (side = 0;side < 6;side++) + { + R_Shadow_RenderMode_ShadowMap(side, true, size); + if (numsurfaces) + R_Shadow_DrawWorldShadow(numsurfaces, surfacelist, shadowtrispvs); + for (i = 0;i < numshadowentities;i++) + R_Shadow_DrawEntityShadow(shadowentities[i]); + } + + if (numlightentities_noselfshadow) + { + // render lighting using the depth texture as shadowmap + // draw lighting in the unmasked areas + R_Shadow_RenderMode_Lighting(false, false, true); + for (i = 0;i < numlightentities_noselfshadow;i++) + R_Shadow_DrawEntityLight(lightentities_noselfshadow[i]); + } + + // render shadow casters into 6 sided depth texture + for (side = 0;side < 6;side++) + { + R_Shadow_RenderMode_ShadowMap(side, false, size); + for (i = 0;i < numshadowentities_noselfshadow;i++) + R_Shadow_DrawEntityShadow(shadowentities_noselfshadow[i]); + } + + // render lighting using the depth texture as shadowmap + // draw lighting in the unmasked areas + R_Shadow_RenderMode_Lighting(false, false, true); + // draw lighting in the unmasked areas + if (numsurfaces) + R_Shadow_DrawWorldLight(numsurfaces, surfacelist, lighttrispvs); + for (i = 0;i < numlightentities;i++) + R_Shadow_DrawEntityLight(lightentities[i]); + } + else if (castshadows && gl_stencil) { // draw stencil shadow volumes to mask off pixels that are in shadow // so that they won't receive lighting + GL_Scissor(r_shadow_lightscissor[0], r_shadow_lightscissor[1], r_shadow_lightscissor[2], r_shadow_lightscissor[3]); R_Shadow_ClearStencil(); - R_Shadow_RenderMode_StencilShadowVolumes(); if (numsurfaces) R_Shadow_DrawWorldShadow(numsurfaces, surfacelist, shadowtrispvs); for (i = 0;i < numshadowentities;i++) @@ -3073,7 +3623,7 @@ void R_DrawRTLight(rtlight_t *rtlight, qboolean visible) if (numlightentities_noselfshadow) { // draw lighting in the unmasked areas - R_Shadow_RenderMode_Lighting(true, false); + R_Shadow_RenderMode_Lighting(true, false, false); for (i = 0;i < numlightentities_noselfshadow;i++) R_Shadow_DrawEntityLight(lightentities_noselfshadow[i]); @@ -3085,8 +3635,6 @@ void R_DrawRTLight(rtlight_t *rtlight, qboolean visible) for (i = 0;i < numlightentities_noselfshadow;i++) R_Shadow_DrawEntityLight(lightentities_noselfshadow[i]); } - - R_Shadow_RenderMode_StencilShadowVolumes(); } for (i = 0;i < numshadowentities_noselfshadow;i++) R_Shadow_DrawEntityShadow(shadowentities_noselfshadow[i]); @@ -3094,22 +3642,11 @@ void R_DrawRTLight(rtlight_t *rtlight, qboolean visible) if (numsurfaces + numlightentities) { // draw lighting in the unmasked areas - R_Shadow_RenderMode_Lighting(true, false); + R_Shadow_RenderMode_Lighting(true, false, false); if (numsurfaces) R_Shadow_DrawWorldLight(numsurfaces, surfacelist, lighttrispvs); for (i = 0;i < numlightentities;i++) R_Shadow_DrawEntityLight(lightentities[i]); - - // optionally draw the illuminated areas - // for performance analysis by level designers - if (r_showlighting.integer && r_refdef.view.showdebug) - { - 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]); - } } } else @@ -3117,26 +3654,13 @@ void R_DrawRTLight(rtlight_t *rtlight, qboolean visible) if (numsurfaces + numlightentities) { // draw lighting in the unmasked areas - R_Shadow_RenderMode_Lighting(false, false); + R_Shadow_RenderMode_Lighting(false, false, false); if (numsurfaces) R_Shadow_DrawWorldLight(numsurfaces, surfacelist, lighttrispvs); for (i = 0;i < numlightentities;i++) R_Shadow_DrawEntityLight(lightentities[i]); for (i = 0;i < numlightentities_noselfshadow;i++) R_Shadow_DrawEntityLight(lightentities_noselfshadow[i]); - - // optionally draw the illuminated areas - // for performance analysis by level designers - if (r_showlighting.integer && r_refdef.view.showdebug) - { - 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]); - for (i = 0;i < numlightentities_noselfshadow;i++) - R_Shadow_DrawEntityLight(lightentities_noselfshadow[i]); - } } } } @@ -3150,6 +3674,9 @@ void R_ShadowVolumeLighting(qboolean visible) dlight_t *light; size_t range; + if (r_shadow_shadowmapmaxsize != bound(1, r_shadow_shadowmapping_maxsize.integer, 2048) || r_shadow_shadowmode != r_shadow_shadowmapping.integer || r_shadow_shadowmapfilter != r_shadow_shadowmapping_filterquality.integer || r_shadow_shadowmapborder != bound(0, r_shadow_shadowmapping_bordersize.integer, 16)) + R_Shadow_FreeShadowMaps(); + if (r_editlights.integer) R_Shadow_DrawLightSprites(); @@ -3175,14 +3702,21 @@ void R_ShadowVolumeLighting(qboolean visible) } if (r_refdef.scene.rtdlight) for (lnum = 0;lnum < r_refdef.scene.numlights;lnum++) - R_DrawRTLight(&r_refdef.scene.lights[lnum], visible); + R_DrawRTLight(r_refdef.scene.lights[lnum], visible); R_Shadow_RenderMode_End(); } +extern const float r_screenvertex3f[12]; extern void R_SetupView(qboolean allowwaterclippingplane); +extern void R_ResetViewRendering3D(void); +extern void R_ResetViewRendering2D(void); extern cvar_t r_shadows; +extern cvar_t r_shadows_darken; +extern cvar_t r_shadows_drawafterrtlighting; +extern cvar_t r_shadows_castfrombmodels; extern cvar_t r_shadows_throwdistance; +extern cvar_t r_shadows_throwdirection; void R_DrawModelShadows(void) { int i; @@ -3191,43 +3725,44 @@ void R_DrawModelShadows(void) vec3_t relativelightorigin; vec3_t relativelightdirection; vec3_t relativeshadowmins, relativeshadowmaxs; - vec3_t tmp; - float vertex3f[12]; + vec3_t tmp, shadowdir; if (!r_drawentities.integer || !gl_stencil) return; CHECKGLERROR - GL_Scissor(r_refdef.view.x, r_refdef.view.y, r_refdef.view.width, r_refdef.view.height); - - r_shadow_rendermode = R_SHADOW_RENDERMODE_NONE; + R_ResetViewRendering3D(); + //GL_Scissor(r_refdef.view.viewport.x, r_refdef.view.viewport.y, r_refdef.view.viewport.width, r_refdef.view.viewport.height); + //GL_Scissor(r_refdef.view.x, vid.height - r_refdef.view.height - r_refdef.view.y, r_refdef.view.width, r_refdef.view.height); + R_Shadow_RenderMode_Begin(); + R_Shadow_RenderMode_ActiveLight(NULL); + r_shadow_lightscissor[0] = r_refdef.view.x; + r_shadow_lightscissor[1] = vid.height - r_refdef.view.y - r_refdef.view.height; + r_shadow_lightscissor[2] = r_refdef.view.width; + r_shadow_lightscissor[3] = r_refdef.view.height; + R_Shadow_RenderMode_StencilShadowVolumes(false); - 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; + // get shadow dir + if (r_shadows.integer == 2) + { + Math_atov(r_shadows_throwdirection.string, shadowdir); + VectorNormalize(shadowdir); + } R_Shadow_ClearStencil(); - R_Shadow_RenderMode_StencilShadowVolumes(); for (i = 0;i < r_refdef.scene.numentities;i++) { ent = r_refdef.scene.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)) + + // cast shadows from anything of the map (submodels are optional) + if (ent->model && ent->model->DrawShadowVolume != NULL && (!ent->model->brush.submodel || r_shadows_castfrombmodels.integer) && (ent->flags & RENDER_SHADOW)) { relativethrowdistance = r_shadows_throwdistance.value * Matrix4x4_ScaleFromMatrix(&ent->inversematrix); VectorSet(relativeshadowmins, -relativethrowdistance, -relativethrowdistance, -relativethrowdistance); VectorSet(relativeshadowmaxs, relativethrowdistance, relativethrowdistance, relativethrowdistance); - - if(r_shadows.integer == 2) - { - // 2: simpler mode, throw shadows always DOWN - VectorSet(tmp, 0, 0, -1); - Matrix4x4_Transform3x3(&ent->inversematrix, tmp, relativelightdirection); - } + if (r_shadows.integer == 2) // 2: simpler mode, throw shadows always in same direction + Matrix4x4_Transform3x3(&ent->inversematrix, shadowdir, relativelightdirection); else { if(ent->entitynumber != 0) @@ -3259,38 +3794,34 @@ void R_DrawModelShadows(void) VectorScale(relativelightdirection, -relativethrowdistance, relativelightorigin); RSurf_ActiveModelEntity(ent, false, false); - ent->model->DrawShadowVolume(ent, relativelightorigin, relativelightdirection, relativethrowdistance, ent->model->nummodelsurfaces, ent->model->surfacelist, relativeshadowmins, relativeshadowmaxs); + ent->model->DrawShadowVolume(ent, relativelightorigin, relativelightdirection, relativethrowdistance, ent->model->nummodelsurfaces, ent->model->sortedmodelsurfaces, relativeshadowmins, relativeshadowmaxs); + rsurface.entity = NULL; // used only by R_GetCurrentTexture and RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity } } // 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; + R_Shadow_RenderMode_End(); // set up ortho view for rendering this pass - GL_SetupView_Mode_Ortho(0, 0, 1, 1, -10, 100); - GL_Scissor(r_refdef.view.x, r_refdef.view.y, r_refdef.view.width, r_refdef.view.height); - GL_ColorMask(r_refdef.view.colormask[0], r_refdef.view.colormask[1], r_refdef.view.colormask[2], 1); - GL_ScissorTest(true); - R_Mesh_Matrix(&identitymatrix); - R_Mesh_ResetTextureState(); - R_Mesh_VertexPointer(vertex3f, 0, 0); + //GL_Scissor(r_refdef.view.x, vid.height - r_refdef.view.height - r_refdef.view.y, r_refdef.view.width, r_refdef.view.height); + //GL_ColorMask(r_refdef.view.colormask[0], r_refdef.view.colormask[1], r_refdef.view.colormask[2], 1); + //GL_ScissorTest(true); + //R_Mesh_Matrix(&identitymatrix); + //R_Mesh_ResetTextureState(); + R_ResetViewRendering2D(); + R_Mesh_VertexPointer(r_screenvertex3f, 0, 0); R_Mesh_ColorPointer(NULL, 0, 0); + R_SetupGenericShader(false); - // set up a 50% darkening blend on shadowed areas + // set up a 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); - GL_PolygonOffset(0, 0);CHECKGLERROR - GL_Color(0, 0, 0, 0.5); - GL_ColorMask(r_refdef.view.colormask[0], r_refdef.view.colormask[1], r_refdef.view.colormask[2], 1); - qglDepthFunc(GL_ALWAYS);CHECKGLERROR + //GL_DepthRange(0, 1); + //GL_DepthTest(false); + //GL_DepthMask(false); + //GL_PolygonOffset(0, 0);CHECKGLERROR + GL_Color(0, 0, 0, r_shadows_darken.value); + //GL_ColorMask(r_refdef.view.colormask[0], r_refdef.view.colormask[1], r_refdef.view.colormask[2], 1); + //qglDepthFunc(GL_ALWAYS);CHECKGLERROR qglEnable(GL_STENCIL_TEST);CHECKGLERROR qglStencilMask(~0);CHECKGLERROR qglStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);CHECKGLERROR @@ -3299,34 +3830,42 @@ void R_DrawModelShadows(void) // apply the blend to the shadowed areas R_Mesh_Draw(0, 4, 0, 2, NULL, polygonelements, 0, 0); - // restoring the perspective view is done by R_RenderScene - //R_SetupView(true); + // restore the viewport + R_SetViewport(&r_refdef.view.viewport); // restore other state to normal - R_Shadow_RenderMode_End(); + //R_Shadow_RenderMode_End(); } void R_BeginCoronaQuery(rtlight_t *rtlight, float scale, qboolean usequery) { + float zdist; + vec3_t centerorigin; // if it's too close, skip it if (VectorLength(rtlight->color) < (1.0f / 256.0f)) return; - if (VectorDistance2(rtlight->shadoworigin, r_refdef.view.origin) < 32.0f * 32.0f) - return; + zdist = (DotProduct(rtlight->shadoworigin, r_refdef.view.forward) - DotProduct(r_refdef.view.origin, r_refdef.view.forward)); + if (zdist < 32) + return; if (usequery && r_numqueries + 2 <= r_maxqueries) { rtlight->corona_queryindex_allpixels = r_queries[r_numqueries++]; rtlight->corona_queryindex_visiblepixels = r_queries[r_numqueries++]; + VectorMA(r_refdef.view.origin, zdist, r_refdef.view.forward, centerorigin); + CHECKGLERROR + // NOTE: we can't disable depth testing using R_DrawSprite's depthdisable argument, which calls GL_DepthTest, as that's broken in the ATI drivers qglBeginQueryARB(GL_SAMPLES_PASSED_ARB, rtlight->corona_queryindex_allpixels); - R_DrawSprite(GL_ONE, GL_ZERO, r_shadow_lightcorona, NULL, true, false, rtlight->shadoworigin, r_refdef.view.right, r_refdef.view.up, scale, -scale, -scale, scale, 1, 1, 1, 1); + qglDepthFunc(GL_ALWAYS); + R_DrawSprite(GL_ONE, GL_ZERO, r_shadow_lightcorona, NULL, false, false, centerorigin, r_refdef.view.right, r_refdef.view.up, scale, -scale, -scale, scale, 1, 1, 1, 1); qglEndQueryARB(GL_SAMPLES_PASSED_ARB); + qglDepthFunc(GL_LEQUAL); qglBeginQueryARB(GL_SAMPLES_PASSED_ARB, rtlight->corona_queryindex_visiblepixels); R_DrawSprite(GL_ONE, GL_ZERO, r_shadow_lightcorona, NULL, false, false, rtlight->shadoworigin, r_refdef.view.right, r_refdef.view.up, scale, -scale, -scale, scale, 1, 1, 1, 1); qglEndQueryARB(GL_SAMPLES_PASSED_ARB); CHECKGLERROR } - rtlight->corona_visibility = 1; + rtlight->corona_visibility = bound(0, (zdist - 32) / 32, 1); } void R_DrawCorona(rtlight_t *rtlight, float cscale, float scale) @@ -3343,7 +3882,7 @@ void R_DrawCorona(rtlight_t *rtlight, float cscale, float scale) //Con_Printf("%i of %i pixels\n", (int)visiblepixels, (int)allpixels); if (visiblepixels < 1 || allpixels < 1) return; - rtlight->corona_visibility *= (float)visiblepixels / (float)allpixels; + rtlight->corona_visibility *= bound(0, (float)visiblepixels / (float)allpixels, 1); cscale *= rtlight->corona_visibility; } else @@ -3382,11 +3921,11 @@ void R_DrawCoronas(void) if (usequery) { GL_ColorMask(0,0,0,0); - if (r_maxqueries < range + r_refdef.scene.numlights) + if (r_maxqueries < (range + r_refdef.scene.numlights) * 2) if (r_maxqueries < R_MAX_OCCLUSION_QUERIES) { i = r_maxqueries; - r_maxqueries = (range + r_refdef.scene.numlights) * 2; + r_maxqueries = (range + r_refdef.scene.numlights) * 4; r_maxqueries = min(r_maxqueries, R_MAX_OCCLUSION_QUERIES); CHECKGLERROR qglGenQueriesARB(r_maxqueries - i, r_queries + i); @@ -3412,7 +3951,7 @@ void R_DrawCoronas(void) } for (i = 0;i < r_refdef.scene.numlights;i++) { - rtlight = &r_refdef.scene.lights[i]; + rtlight = r_refdef.scene.lights[i]; rtlight->corona_visibility = 0; rtlight->corona_queryindex_visiblepixels = 0; rtlight->corona_queryindex_allpixels = 0; @@ -3428,7 +3967,7 @@ void R_DrawCoronas(void) // now draw the coronas using the query data for intensity info for (lightindex = 0;lightindex < range;lightindex++) { - light = Mem_ExpandableArray_RecordAtIndex(&r_shadow_worldlightsarray, lightindex); + light = (dlight_t *) Mem_ExpandableArray_RecordAtIndex(&r_shadow_worldlightsarray, lightindex); if (!light) continue; rtlight = &light->rtlight; @@ -3438,7 +3977,7 @@ void R_DrawCoronas(void) } for (i = 0;i < r_refdef.scene.numlights;i++) { - rtlight = &r_refdef.scene.lights[i]; + rtlight = r_refdef.scene.lights[i]; if (rtlight->corona_visibility <= 0) continue; if (gl_flashblend.integer) @@ -3537,7 +4076,7 @@ rtexture_t *R_Shadow_LoadCubemap(const char *basename) if (!r_shadow_filters_texturepool) r_shadow_filters_texturepool = R_AllocTexturePool(); - cubemaptexture = R_LoadTextureCubeMap(r_shadow_filters_texturepool, basename, cubemapsize, cubemappixels, TEXTYPE_BGRA, TEXF_PRECACHE | (gl_texturecompression_lightcubemaps.integer ? TEXF_COMPRESS : 0), NULL); + cubemaptexture = R_LoadTextureCubeMap(r_shadow_filters_texturepool, basename, cubemapsize, cubemappixels, TEXTYPE_BGRA, TEXF_PRECACHE | (gl_texturecompression_lightcubemaps.integer ? TEXF_COMPRESS : 0) | TEXF_FORCELINEAR, NULL); Mem_Free(cubemappixels); } else @@ -4847,7 +5386,7 @@ void R_CompleteLightPoint(vec3_t ambientcolor, vec3_t diffusecolor, vec3_t diffu rtlight_t *light; for (i = 0;i < r_refdef.scene.numlights;i++) { - light = &r_refdef.scene.lights[i]; + light = r_refdef.scene.lights[i]; Matrix4x4_Transform(&light->matrix_worldtolight, p, v); f = 1 - VectorLength2(v); if (f > 0 && CL_Move(p, vec3_origin, vec3_origin, light->shadoworigin, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, true, false, NULL, false).fraction == 1)