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_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;
int maxshadowtriangles;
int *shadowelements;
int vertexupdatenum;
int r_shadow_buffer_numleafpvsbytes;
+unsigned char *r_shadow_buffer_visitingleafpvs;
unsigned char *r_shadow_buffer_leafpvs;
int *r_shadow_buffer_leaflist;
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", "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"};
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 r_coronas = {CVAR_SAVE, "r_coronas", "1", "brightness of corona flare effects around certain lights, 0 disables corona effects"};
+cvar_t r_coronas_occlusionsizescale = {CVAR_SAVE, "r_coronas_occlusionsizescale", "0.1", "size of light source for corona occlusion checksm the proportion of hidden pixels controls corona intensity"};
+cvar_t r_coronas_occlusionquery = {CVAR_SAVE, "r_coronas_occlusionquery", "1", "use GL_ARB_occlusion_query extension if supported (fades coronas according to visibility)"};
cvar_t gl_flashblend = {CVAR_SAVE, "gl_flashblend", "0", "render bright coronas for dynamic lights instead of actual lighting, fast but ugly"};
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)"};
shadowmarklist = NULL;
shadowmarkcount = 0;
r_shadow_buffer_numleafpvsbytes = 0;
+ r_shadow_buffer_visitingleafpvs = NULL;
r_shadow_buffer_leafpvs = NULL;
r_shadow_buffer_leaflist = NULL;
r_shadow_buffer_numsurfacepvsbytes = 0;
shadowmarklist = NULL;
shadowmarkcount = 0;
r_shadow_buffer_numleafpvsbytes = 0;
+ if (r_shadow_buffer_visitingleafpvs)
+ Mem_Free(r_shadow_buffer_visitingleafpvs);
+ r_shadow_buffer_visitingleafpvs = NULL;
if (r_shadow_buffer_leafpvs)
Mem_Free(r_shadow_buffer_leafpvs);
r_shadow_buffer_leafpvs = NULL;
Cvar_RegisterVariable(&r_shadow_gloss2intensity);
Cvar_RegisterVariable(&r_shadow_glossintensity);
Cvar_RegisterVariable(&r_shadow_glossexponent);
+ Cvar_RegisterVariable(&r_shadow_glossexact);
Cvar_RegisterVariable(&r_shadow_lightattenuationdividebias);
Cvar_RegisterVariable(&r_shadow_lightattenuationlinearscale);
Cvar_RegisterVariable(&r_shadow_lightintensityscale);
Cvar_RegisterVariable(&r_shadow_polygonoffset);
Cvar_RegisterVariable(&r_shadow_texture3d);
Cvar_RegisterVariable(&r_coronas);
+ Cvar_RegisterVariable(&r_coronas_occlusionsizescale);
+ Cvar_RegisterVariable(&r_coronas_occlusionquery);
Cvar_RegisterVariable(&gl_flashblend);
Cvar_RegisterVariable(&gl_ext_separatestencil);
Cvar_RegisterVariable(&gl_ext_stenciltwoside);
shadowmarklist = NULL;
shadowmarkcount = 0;
r_shadow_buffer_numleafpvsbytes = 0;
+ r_shadow_buffer_visitingleafpvs = NULL;
r_shadow_buffer_leafpvs = NULL;
r_shadow_buffer_leaflist = NULL;
r_shadow_buffer_numsurfacepvsbytes = 0;
int numlighttrispvsbytes = (((numlighttriangles + 7) >> 3) + 255) & ~255;
if (r_shadow_buffer_numleafpvsbytes < numleafpvsbytes)
{
+ if (r_shadow_buffer_visitingleafpvs)
+ Mem_Free(r_shadow_buffer_visitingleafpvs);
if (r_shadow_buffer_leafpvs)
Mem_Free(r_shadow_buffer_leafpvs);
if (r_shadow_buffer_leaflist)
Mem_Free(r_shadow_buffer_leaflist);
r_shadow_buffer_numleafpvsbytes = numleafpvsbytes;
+ r_shadow_buffer_visitingleafpvs = (unsigned char *)Mem_Alloc(r_main_mempool, r_shadow_buffer_numleafpvsbytes);
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));
}
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;
else
VectorClear(projectvector);
- if (maxvertexupdate < innumvertices)
- {
- maxvertexupdate = innumvertices;
- if (vertexupdate)
- Mem_Free(vertexupdate);
- if (vertexremap)
- Mem_Free(vertexremap);
- vertexupdate = (int *)Mem_Alloc(r_main_mempool, maxvertexupdate * sizeof(int));
- vertexremap = (int *)Mem_Alloc(r_main_mempool, maxvertexupdate * sizeof(int));
- vertexupdatenum = 0;
- }
- vertexupdatenum++;
- if (vertexupdatenum == 0)
- {
- vertexupdatenum = 1;
- memset(vertexupdate, 0, maxvertexupdate * sizeof(int));
- memset(vertexremap, 0, maxvertexupdate * sizeof(int));
- }
-
- for (i = 0;i < numshadowmarktris;i++)
- shadowmark[shadowmarktris[i]] = shadowmarkcount;
-
// create the vertices
if (projectdirection)
{
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;
}
}
-static void R_Shadow_RenderVolume(int numvertices, int numtriangles, const float *vertex3f, const int *element3i)
+qboolean R_Shadow_UseZPass(vec3_t mins, vec3_t maxs)
{
- if (r_shadow_compilingrtlight)
- {
- // if we're compiling an rtlight, capture the mesh
- Mod_ShadowMesh_AddMesh(r_main_mempool, r_shadow_compilingrtlight->static_meshchain_shadow, NULL, NULL, NULL, vertex3f, NULL, NULL, NULL, NULL, numtriangles, element3i);
- return;
- }
- r_refdef.stats.lights_shadowtriangles += numtriangles;
- CHECKGLERROR
- R_Mesh_VertexPointer(vertex3f, 0, 0);
- GL_LockArrays(0, numvertices);
- if (r_shadow_rendermode == R_SHADOW_RENDERMODE_STENCIL)
- {
- // decrement stencil if backface is behind depthbuffer
- GL_CullFace(r_refdef.view.cullface_front);
- qglStencilOp(GL_KEEP, GL_DECR, GL_KEEP);CHECKGLERROR
- R_Mesh_Draw(0, numvertices, 0, numtriangles, element3i, NULL, 0, 0);
- // increment stencil if frontface is behind depthbuffer
- GL_CullFace(r_refdef.view.cullface_back);
- qglStencilOp(GL_KEEP, GL_INCR, GL_KEEP);CHECKGLERROR
- }
- R_Mesh_Draw(0, numvertices, 0, numtriangles, element3i, NULL, 0, 0);
- GL_LockArrays(0, 0);
- CHECKGLERROR
+#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)
+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 tris, outverts;
+ int i, tris, outverts;
if (projectdistance < 0.1)
{
Con_Printf("R_Shadow_Volume: projectdistance %f\n", projectdistance);
// make sure shadowelements is big enough for this volume
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);
+
+ if (maxvertexupdate < numverts)
+ {
+ maxvertexupdate = numverts;
+ if (vertexupdate)
+ Mem_Free(vertexupdate);
+ if (vertexremap)
+ Mem_Free(vertexremap);
+ vertexupdate = (int *)Mem_Alloc(r_main_mempool, maxvertexupdate * sizeof(int));
+ vertexremap = (int *)Mem_Alloc(r_main_mempool, maxvertexupdate * sizeof(int));
+ vertexupdatenum = 0;
+ }
+ vertexupdatenum++;
+ if (vertexupdatenum == 0)
+ {
+ vertexupdatenum = 1;
+ memset(vertexupdate, 0, maxvertexupdate * sizeof(int));
+ memset(vertexremap, 0, maxvertexupdate * sizeof(int));
+ }
+
+ for (i = 0;i < nummarktris;i++)
+ shadowmark[marktris[i]] = shadowmarkcount;
+
+ if (r_shadow_compilingrtlight)
+ {
+ // if we're compiling an rtlight, capture the mesh
+ //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
+ {
+ // 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_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);
+ qglStencilOp(GL_KEEP, GL_DECR, GL_KEEP);CHECKGLERROR
+ R_Mesh_Draw(0, outverts, 0, tris, shadowelements, NULL, 0, 0);
+ // increment stencil if frontface is behind depthbuffer
+ GL_CullFace(r_refdef.view.cullface_back);
+ qglStencilOp(GL_KEEP, GL_INCR, GL_KEEP);CHECKGLERROR
+ }
+ R_Mesh_Draw(0, outverts, 0, tris, shadowelements, NULL, 0, 0);
+ GL_LockArrays(0, 0);
+ CHECKGLERROR
+ }
}
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)
// 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)
{
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;
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;
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
}
R_SetupGenericShader(false);
}
-void R_Shadow_RenderMode_StencilShadowVolumes(qboolean clearstencil)
+void R_Shadow_ClearStencil(void)
+{
+ CHECKGLERROR
+ GL_Clear(GL_STENCIL_BUFFER_BIT);
+ r_refdef.stats.lights_clears++;
+}
+
+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);
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
qglActiveStencilFaceEXT(r_refdef.view.cullface_back);CHECKGLERROR
qglStencilMask(~0);CHECKGLERROR
qglStencilOp(GL_KEEP, GL_DECR, GL_KEEP);CHECKGLERROR
+ break;
}
- if (clearstencil)
- GL_Clear(GL_STENCIL_BUFFER_BIT);
- r_refdef.stats.lights_clears++;
}
void R_Shadow_RenderMode_Lighting(qboolean stenciltest, qboolean transparent)
{
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;
// this variable must be set for the CompileShadowVolume code
r_shadow_compilingrtlight = rtlight;
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);
+ 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, r_shadow_buffer_visitingleafpvs);
numleafpvsbytes = (model->brush.num_leafs + 7) >> 3;
numshadowtrispvsbytes = ((model->brush.shadowmesh ? model->brush.shadowmesh->numtriangles : model->surfmesh.num_triangles) + 7) >> 3;
numlighttrispvsbytes = (model->surfmesh.num_triangles + 7) >> 3;
//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)
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);
{
size_t lightindex;
dlight_t *light;
- for (lightindex = 0;lightindex < Mem_ExpandableArray_IndexRange(&r_shadow_worldlightsarray);lightindex++)
+ size_t range = Mem_ExpandableArray_IndexRange(&r_shadow_worldlightsarray); // checked
+ 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;
R_RTLight_Uncompile(&light->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 (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);
}
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++)
{
if (CHECKPVSBIT(trispvs, t))
shadowmarklist[numshadowmark++] = t;
}
- R_Shadow_VolumeFromList(r_refdef.scene.worldmodel->brush.shadowmesh->numverts, r_refdef.scene.worldmodel->brush.shadowmesh->numtriangles, r_refdef.scene.worldmodel->brush.shadowmesh->vertex3f, r_refdef.scene.worldmodel->brush.shadowmesh->element3i, r_refdef.scene.worldmodel->brush.shadowmesh->neighbor3i, rsurface.rtlight->shadoworigin, NULL, rsurface.rtlight->radius + r_refdef.scene.worldmodel->radius*2 + r_shadow_projectdistance.value, numshadowmark, shadowmarklist);
+ R_Shadow_VolumeFromList(r_refdef.scene.worldmodel->brush.shadowmesh->numverts, r_refdef.scene.worldmodel->brush.shadowmesh->numtriangles, r_refdef.scene.worldmodel->brush.shadowmesh->vertex3f, r_refdef.scene.worldmodel->brush.shadowmesh->element3i, r_refdef.scene.worldmodel->brush.shadowmesh->neighbor3i, rsurface.rtlight->shadoworigin, NULL, rsurface.rtlight->radius + r_refdef.scene.worldmodel->radius*2 + r_shadow_projectdistance.value, numshadowmark, shadowmarklist, r_refdef.scene.worldmodel->normalmins, r_refdef.scene.worldmodel->normalmaxs);
}
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)
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);
+ 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)
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)
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
}
void R_DrawRTLight(rtlight_t *rtlight, qboolean visible)
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];
+ static entity_render_t *lightentities[MAX_EDICTS];
+ static entity_render_t *lightentities_noselfshadow[MAX_EDICTS];
+ static entity_render_t *shadowentities[MAX_EDICTS];
+ static entity_render_t *shadowentities_noselfshadow[MAX_EDICTS];
// 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)
// dynamic light, world available and can receive realtime lighting
// calculate lit surfaces and leafs
R_Shadow_EnlargeLeafSurfaceTrisBuffer(r_refdef.scene.worldmodel->brush.num_leafs, r_refdef.scene.worldmodel->num_surfaces, r_refdef.scene.worldmodel->brush.shadowmesh ? r_refdef.scene.worldmodel->brush.shadowmesh->numtriangles : r_refdef.scene.worldmodel->surfmesh.num_triangles, r_refdef.scene.worldmodel->surfmesh.num_triangles);
- r_refdef.scene.worldmodel->GetLightInfo(r_refdef.scene.worldentity, rtlight->shadoworigin, rtlight->radius, rsurface.rtlight_cullmins, rsurface.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);
+ r_refdef.scene.worldmodel->GetLightInfo(r_refdef.scene.worldentity, rtlight->shadoworigin, rtlight->radius, rsurface.rtlight_cullmins, rsurface.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, r_shadow_buffer_visitingleafpvs);
leaflist = r_shadow_buffer_leaflist;
leafpvs = r_shadow_buffer_leafpvs;
surfacelist = r_shadow_buffer_surfacelist;
{
// draw stencil shadow volumes to mask off pixels that are in shadow
// so that they won't receive lighting
- R_Shadow_RenderMode_StencilShadowVolumes(true);
+ R_Shadow_ClearStencil();
if (numsurfaces)
R_Shadow_DrawWorldShadow(numsurfaces, surfacelist, shadowtrispvs);
for (i = 0;i < numshadowentities;i++)
for (i = 0;i < numlightentities_noselfshadow;i++)
R_Shadow_DrawEntityLight(lightentities_noselfshadow[i]);
}
-
- R_Shadow_RenderMode_StencilShadowVolumes(false);
}
for (i = 0;i < numshadowentities_noselfshadow;i++)
R_Shadow_DrawEntityShadow(shadowentities_noselfshadow[i]);
int lnum;
size_t lightindex;
dlight_t *light;
+ size_t range;
if (r_editlights.integer)
R_Shadow_DrawLightSprites();
if (r_shadow_debuglight.integer >= 0)
{
lightindex = r_shadow_debuglight.integer;
- light = Mem_ExpandableArray_RecordAtIndex(&r_shadow_worldlightsarray, lightindex);
+ light = (dlight_t *) Mem_ExpandableArray_RecordAtIndex(&r_shadow_worldlightsarray, lightindex);
if (light && (light->flags & flag))
R_DrawRTLight(&light->rtlight, visible);
}
else
{
- for (lightindex = 0;lightindex < Mem_ExpandableArray_IndexRange(&r_shadow_worldlightsarray);lightindex++)
+ range = Mem_ExpandableArray_IndexRange(&r_shadow_worldlightsarray); // checked
+ 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 && (light->flags & flag))
R_DrawRTLight(&light->rtlight, 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 void R_SetupView(qboolean allowwaterclippingplane);
+extern cvar_t r_shadows;
extern cvar_t r_shadows_throwdistance;
void R_DrawModelShadows(void)
{
vec3_t relativelightorigin;
vec3_t relativelightdirection;
vec3_t relativeshadowmins, relativeshadowmaxs;
+ vec3_t tmp;
float vertex3f[12];
if (!r_drawentities.integer || !gl_stencil)
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;
+ }
- R_Shadow_RenderMode_StencilShadowVolumes(true);
+ R_Shadow_ClearStencil();
for (i = 0;i < r_refdef.scene.numentities;i++)
{
relativethrowdistance = r_shadows_throwdistance.value * Matrix4x4_ScaleFromMatrix(&ent->inversematrix);
VectorSet(relativeshadowmins, -relativethrowdistance, -relativethrowdistance, -relativethrowdistance);
VectorSet(relativeshadowmaxs, relativethrowdistance, relativethrowdistance, relativethrowdistance);
- VectorNegate(ent->modellight_lightdir, relativelightdirection);
+
+ if(r_shadows.integer == 2)
+ {
+ // 2: simpler mode, throw shadows always DOWN
+ VectorSet(tmp, 0, 0, -1);
+ Matrix4x4_Transform3x3(&ent->inversematrix, tmp, relativelightdirection);
+ }
+ else
+ {
+ if(ent->entitynumber != 0)
+ {
+ // networked entity - might be attached in some way (then we should use the parent's light direction, to not tear apart attached entities)
+ int entnum, entnum2, recursion;
+ entnum = entnum2 = ent->entitynumber;
+ for(recursion = 32; recursion > 0; --recursion)
+ {
+ entnum2 = cl.entities[entnum].state_current.tagentity;
+ if(entnum2 >= 1 && entnum2 < cl.num_entities && cl.entities_active[entnum2])
+ entnum = entnum2;
+ else
+ break;
+ }
+ if(recursion && recursion != 32) // if we followed a valid non-empty attachment chain
+ {
+ VectorNegate(cl.entities[entnum].render.modellight_lightdir, relativelightdirection);
+ // transform into modelspace of OUR entity
+ Matrix4x4_Transform3x3(&cl.entities[entnum].render.matrix, relativelightdirection, tmp);
+ Matrix4x4_Transform3x3(&ent->inversematrix, tmp, relativelightdirection);
+ }
+ else
+ VectorNegate(ent->modellight_lightdir, relativelightdirection);
+ }
+ else
+ 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);
+ 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
}
}
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;
+ 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);
+ 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 = bound(0, (zdist - 32) / 32, 1);
+}
+
+void R_DrawCorona(rtlight_t *rtlight, float cscale, float scale)
+{
+ vec3_t color;
+ GLint allpixels = 0, visiblepixels = 0;
+ // now we have to check the query result
+ if (rtlight->corona_queryindex_visiblepixels)
+ {
+ CHECKGLERROR
+ qglGetQueryObjectivARB(rtlight->corona_queryindex_visiblepixels, GL_QUERY_RESULT_ARB, &visiblepixels);
+ qglGetQueryObjectivARB(rtlight->corona_queryindex_allpixels, GL_QUERY_RESULT_ARB, &allpixels);
+ CHECKGLERROR
+ //Con_Printf("%i of %i pixels\n", (int)visiblepixels, (int)allpixels);
+ if (visiblepixels < 1 || allpixels < 1)
+ return;
+ rtlight->corona_visibility *= bound(0, (float)visiblepixels / (float)allpixels, 1);
+ cscale *= rtlight->corona_visibility;
+ }
+ else
+ {
+ // FIXME: these traces should scan all render entities instead of cl.world
+ if (CL_Move(r_refdef.view.origin, vec3_origin, vec3_origin, rtlight->shadoworigin, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, true, false, NULL, false).fraction < 1)
+ return;
+ }
+ VectorScale(rtlight->color, cscale, color);
+ if (VectorLength(color) > (1.0f / 256.0f))
+ R_DrawSprite(GL_ONE, GL_ONE, r_shadow_lightcorona, NULL, true, false, rtlight->shadoworigin, r_refdef.view.right, r_refdef.view.up, scale, -scale, -scale, scale, color[0], color[1], color[2], 1);
+}
+
void R_DrawCoronas(void)
{
int i, flag;
- float cscale, scale;
+ qboolean usequery;
size_t lightindex;
dlight_t *light;
rtlight_t *rtlight;
+ size_t range;
if (r_coronas.value < (1.0f / 256.0f) && !gl_flashblend.integer)
return;
- R_Mesh_Matrix(&identitymatrix);
+ if (r_waterstate.renderingscene)
+ return;
flag = r_refdef.scene.rtworld ? LIGHTFLAG_REALTIMEMODE : LIGHTFLAG_NORMALMODE;
- // FIXME: these traces should scan all render entities instead of cl.world
- for (lightindex = 0;lightindex < Mem_ExpandableArray_IndexRange(&r_shadow_worldlightsarray);lightindex++)
+ R_Mesh_Matrix(&identitymatrix);
+
+ range = Mem_ExpandableArray_IndexRange(&r_shadow_worldlightsarray); // checked
+
+ // check occlusion of coronas
+ // use GL_ARB_occlusion_query if available
+ // otherwise use raytraces
+ r_numqueries = 0;
+ usequery = gl_support_arb_occlusion_query && r_coronas_occlusionquery.integer;
+ if (usequery)
+ {
+ GL_ColorMask(0,0,0,0);
+ 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) * 4;
+ r_maxqueries = min(r_maxqueries, R_MAX_OCCLUSION_QUERIES);
+ CHECKGLERROR
+ qglGenQueriesARB(r_maxqueries - i, r_queries + i);
+ CHECKGLERROR
+ }
+ }
+ 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;
+ rtlight->corona_visibility = 0;
+ rtlight->corona_queryindex_visiblepixels = 0;
+ rtlight->corona_queryindex_allpixels = 0;
if (!(rtlight->flags & flag))
continue;
- if (rtlight->corona * r_coronas.value <= 0)
+ if (rtlight->corona <= 0)
continue;
if (r_shadow_debuglight.integer >= 0 && r_shadow_debuglight.integer != (int)lightindex)
continue;
- cscale = rtlight->corona * r_coronas.value* 0.25f;
- scale = rtlight->radius * rtlight->coronasizescale;
- if (VectorDistance2(rtlight->shadoworigin, r_refdef.view.origin) < 16.0f * 16.0f)
- continue;
- if (CL_Move(r_refdef.view.origin, vec3_origin, vec3_origin, rtlight->shadoworigin, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, true, false, NULL, false).fraction < 1)
- continue;
- R_DrawSprite(GL_ONE, GL_ONE, r_shadow_lightcorona, NULL, true, false, rtlight->shadoworigin, r_refdef.view.right, r_refdef.view.up, scale, -scale, -scale, scale, rtlight->color[0] * cscale, rtlight->color[1] * cscale, rtlight->color[2] * cscale, 1);
+ R_BeginCoronaQuery(rtlight, rtlight->radius * rtlight->coronasizescale * r_coronas_occlusionsizescale.value, usequery);
}
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;
if (!(rtlight->flags & flag))
continue;
if (rtlight->corona <= 0)
continue;
- if (VectorDistance2(rtlight->shadoworigin, r_refdef.view.origin) < 32.0f * 32.0f)
+ R_BeginCoronaQuery(rtlight, rtlight->radius * rtlight->coronasizescale * r_coronas_occlusionsizescale.value, usequery);
+ }
+ if (usequery)
+ GL_ColorMask(r_refdef.view.colormask[0], r_refdef.view.colormask[1], r_refdef.view.colormask[2], 1);
+
+ // now draw the coronas using the query data for intensity info
+ for (lightindex = 0;lightindex < range;lightindex++)
+ {
+ light = (dlight_t *) Mem_ExpandableArray_RecordAtIndex(&r_shadow_worldlightsarray, lightindex);
+ if (!light)
continue;
- if (gl_flashblend.integer)
- {
- cscale = rtlight->corona * 1.0f;
- scale = rtlight->radius * rtlight->coronasizescale * 2.0f;
- }
- else
- {
- cscale = rtlight->corona * r_coronas.value* 0.25f;
- scale = rtlight->radius * rtlight->coronasizescale;
- }
- if (VectorLength(rtlight->color) * cscale < (1.0f / 256.0f))
+ rtlight = &light->rtlight;
+ if (rtlight->corona_visibility <= 0)
continue;
- if (CL_Move(r_refdef.view.origin, vec3_origin, vec3_origin, rtlight->shadoworigin, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, true, false, NULL, false).fraction < 1)
+ R_DrawCorona(rtlight, rtlight->corona * r_coronas.value * 0.25f, rtlight->radius * rtlight->coronasizescale);
+ }
+ for (i = 0;i < r_refdef.scene.numlights;i++)
+ {
+ rtlight = r_refdef.scene.lights[i];
+ if (rtlight->corona_visibility <= 0)
continue;
- R_DrawSprite(GL_ONE, GL_ONE, r_shadow_lightcorona, NULL, true, false, rtlight->shadoworigin, r_refdef.view.right, r_refdef.view.up, scale, -scale, -scale, scale, rtlight->color[0] * cscale, rtlight->color[1] * cscale, rtlight->color[2] * cscale, 1);
+ if (gl_flashblend.integer)
+ R_DrawCorona(rtlight, rtlight->corona, rtlight->radius * rtlight->coronasizescale * 2.0f);
+ else
+ R_DrawCorona(rtlight, rtlight->corona * r_coronas.value * 0.25f, rtlight->radius * rtlight->coronasizescale);
}
}
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
{
size_t lightindex;
dlight_t *light;
- for (lightindex = 0;lightindex < Mem_ExpandableArray_IndexRange(&r_shadow_worldlightsarray);lightindex++)
+ size_t range = Mem_ExpandableArray_IndexRange(&r_shadow_worldlightsarray); // checked
+ 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)
R_Shadow_FreeWorldLight(light);
}
{
size_t lightindex;
dlight_t *light;
- for (lightindex = 0;lightindex < Mem_ExpandableArray_IndexRange(&r_shadow_worldlightsarray);lightindex++)
+ size_t range = Mem_ExpandableArray_IndexRange(&r_shadow_worldlightsarray); // checked
+ 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)
R_MeshQueue_AddTransparent(light->origin, R_Shadow_DrawLightSprite_TransparentCallback, (entity_render_t *)light, 5, &light->rtlight);
}
dlight_t *best;
size_t lightindex;
dlight_t *light;
+ size_t range = Mem_ExpandableArray_IndexRange(&r_shadow_worldlightsarray); // checked
best = NULL;
bestrating = 0;
- for (lightindex = 0;lightindex < Mem_ExpandableArray_IndexRange(&r_shadow_worldlightsarray);lightindex++)
+ 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;
VectorSubtract(light->origin, r_refdef.view.origin, temp);
char *buf, *oldbuf;
char name[MAX_QPATH];
char line[MAX_INPUTLINE];
- if (!Mem_ExpandableArray_IndexRange(&r_shadow_worldlightsarray))
+ size_t range = Mem_ExpandableArray_IndexRange(&r_shadow_worldlightsarray); // checked, assuming the dpsnprintf mess doesn't screw it up...
+ // I hate lines which are 3 times my screen size :( --blub
+ if (!range)
return;
if (cl.worldmodel == NULL)
{
strlcat (name, ".rtlights", sizeof (name));
bufchars = bufmaxchars = 0;
buf = NULL;
- for (lightindex = 0;lightindex < Mem_ExpandableArray_IndexRange(&r_shadow_worldlightsarray);lightindex++)
+ 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;
if (light->coronasizescale != 0.25f || light->ambientscale != 0 || light->diffusescale != 1 || light->specularscale != 1 || light->flags != LIGHTFLAG_REALTIMEMODE)
{
size_t lightindex;
dlight_t *light;
+ size_t range;
if (!r_editlights.integer)
{
return;
}
- for (lightindex = 0;lightindex < Mem_ExpandableArray_IndexRange(&r_shadow_worldlightsarray);lightindex++)
+ // EditLights doesn't seem to have a "remove" command or something so:
+ range = Mem_ExpandableArray_IndexRange(&r_shadow_worldlightsarray); // checked
+ 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;
R_Shadow_SelectLight(light);
void R_Shadow_EditLights_DrawSelectedLightProperties(void)
{
int lightnumber, lightcount;
- size_t lightindex;
+ size_t lightindex, range;
dlight_t *light;
float x, y;
char temp[256];
DrawQ_Pic(x-5, y-5, NULL, 250, 155, 0, 0, 0, 0.75, 0);
lightnumber = -1;
lightcount = 0;
- for (lightindex = 0;lightindex < Mem_ExpandableArray_IndexRange(&r_shadow_worldlightsarray);lightindex++)
+ range = Mem_ExpandableArray_IndexRange(&r_shadow_worldlightsarray); // checked
+ 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;
if (light == r_shadow_selectedlight)
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)