{
R_SHADOW_RENDERMODE_NONE,
R_SHADOW_RENDERMODE_STENCIL,
+ R_SHADOW_RENDERMODE_SEPARATESTENCIL,
R_SHADOW_RENDERMODE_STENCILTWOSIDE,
R_SHADOW_RENDERMODE_LIGHT_VERTEX,
R_SHADOW_RENDERMODE_LIGHT_DOT3,
unsigned char *r_shadow_buffer_surfacepvs;
int *r_shadow_buffer_surfacelist;
+// current light's cull box (copied out of an rtlight or calculated by GetLightInfo)
+vec3_t r_shadow_rtlight_cullmins;
+vec3_t r_shadow_rtlight_cullmaxs;
+
rtexturepool_t *r_shadow_texturepool;
rtexture_t *r_shadow_attenuation2dtexture;
rtexture_t *r_shadow_attenuation3dtexture;
cvar_t r_shadow_bumpscale_bumpmap = {0, "r_shadow_bumpscale_bumpmap", "4", "what magnitude to interpret _bump.tga textures as, higher values increase depth, requires r_restart to take effect"};
cvar_t r_shadow_debuglight = {0, "r_shadow_debuglight", "-1", "renders only one light, for level design purposes or debugging"};
cvar_t r_shadow_gloss = {CVAR_SAVE, "r_shadow_gloss", "1", "0 disables gloss (specularity) rendering, 1 uses gloss if textures are found, 2 forces a flat metallic specular effect on everything without textures (similar to tenebrae)"};
-cvar_t r_shadow_gloss2intensity = {0, "r_shadow_gloss2intensity", "0.25", "how bright the forced flat gloss should look if r_shadow_gloss is 2"};
+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_lightattenuationpower = {0, "r_shadow_lightattenuationpower", "0.5", "changes attenuation texture generation (does not affect r_glsl lighting)"};
cvar_t r_shadow_lightattenuationscale = {0, "r_shadow_lightattenuationscale", "1", "changes attenuation texture generation (does not affect r_glsl lighting)"};
cvar_t r_shadow_lightintensityscale = {0, "r_shadow_lightintensityscale", "1", "renders all world lights brighter or darker"};
cvar_t r_shadow_portallight = {0, "r_shadow_portallight", "1", "use portal culling to exactly determine lit triangles when compiling world lights"};
cvar_t r_shadow_projectdistance = {0, "r_shadow_projectdistance", "1000000", "how far to cast shadows"};
+cvar_t r_shadow_frontsidecasting = {0, "r_shadow_frontsidecasting", "1", "whether to cast shadows from illuminated triangles (front side of model) or unlit triangles (back side of model)"};
cvar_t r_shadow_realtime_dlight = {CVAR_SAVE, "r_shadow_realtime_dlight", "1", "enables rendering of dynamic lights such as explosions and rocket light"};
cvar_t r_shadow_realtime_dlight_shadows = {CVAR_SAVE, "r_shadow_realtime_dlight_shadows", "1", "enables rendering of shadows from dynamic lights"};
-cvar_t r_shadow_realtime_dlight_portalculling = {0, "r_shadow_realtime_dlight_portalculling", "0", "enables portal culling optimizations on dynamic lights (slow! you probably don't want this!)"};
+cvar_t r_shadow_realtime_dlight_svbspculling = {0, "r_shadow_realtime_dlight_svbspculling", "0", "enables svbsp optimization on dynamic lights (very slow!)"};
+cvar_t r_shadow_realtime_dlight_portalculling = {0, "r_shadow_realtime_dlight_portalculling", "0", "enables portal optimization on dynamic lights (slow!)"};
cvar_t r_shadow_realtime_world = {CVAR_SAVE, "r_shadow_realtime_world", "0", "enables rendering of full world lighting (whether loaded from the map, or a .rtlights file, or a .ent file, or a .lights file produced by hlight)"};
cvar_t r_shadow_realtime_world_dlightshadows = {CVAR_SAVE, "r_shadow_realtime_world_dlightshadows", "1", "enables shadows from dynamic lights when using full world lighting"};
cvar_t r_shadow_realtime_world_lightmaps = {CVAR_SAVE, "r_shadow_realtime_world_lightmaps", "0", "brightness to render lightmaps when using full world lighting, try 0.5 for a tenebrae-like appearance"};
cvar_t r_shadow_realtime_world_shadows = {CVAR_SAVE, "r_shadow_realtime_world_shadows", "1", "enables rendering of shadows from world lights"};
cvar_t r_shadow_realtime_world_compile = {0, "r_shadow_realtime_world_compile", "1", "enables compilation of world lights for higher performance rendering"};
cvar_t r_shadow_realtime_world_compileshadow = {0, "r_shadow_realtime_world_compileshadow", "1", "enables compilation of shadows from world lights for higher performance rendering"};
+cvar_t r_shadow_realtime_world_compilesvbsp = {0, "r_shadow_realtime_world_compilesvbsp", "1", "enables svbsp optimization during compilation"};
+cvar_t r_shadow_realtime_world_compileportalculling = {0, "r_shadow_realtime_world_compileportalculling", "1", "enables portal-based culling optimization during compilation"};
cvar_t r_shadow_scissor = {0, "r_shadow_scissor", "1", "use scissor optimization of light rendering (restricts rendering to the portion of the screen affected by the light)"};
cvar_t r_shadow_shadow_polygonfactor = {0, "r_shadow_shadow_polygonfactor", "0", "how much to enlarge shadow volume polygons when rendering (should be 0!)"};
cvar_t r_shadow_shadow_polygonoffset = {0, "r_shadow_shadow_polygonoffset", "1", "how much to push shadow volumes into the distance when rendering, to reduce chances of zfighting artifacts (should not be less than 0)"};
cvar_t r_shadow_texture3d = {0, "r_shadow_texture3d", "1", "use 3D voxel textures for spherical attenuation rather than cylindrical (does not affect r_glsl lighting)"};
+cvar_t gl_ext_separatestencil = {0, "gl_ext_separatetencil", "1", "make use of OpenGL 2.0 glStencilOpSeparate or GL_ATI_separate_stencil extension"};
cvar_t gl_ext_stenciltwoside = {0, "gl_ext_stenciltwoside", "1", "make use of GL_EXT_stenciltwoside extension (NVIDIA only)"};
cvar_t r_editlights = {0, "r_editlights", "0", "enables .rtlights file editing mode"};
cvar_t r_editlights_cursordistance = {0, "r_editlights_cursordistance", "1024", "maximum distance of cursor from eye"};
"r_shadow_projectdistance : shadow volume projection distance\n"
"r_shadow_realtime_dlight : use high quality dynamic lights in normal mode\n"
"r_shadow_realtime_dlight_shadows : cast shadows from dlights\n"
-"r_shadow_realtime_dlight_portalculling : work hard to reduce graphics work\n"
"r_shadow_realtime_world : use high quality world lighting mode\n"
"r_shadow_realtime_world_dlightshadows : cast shadows from dlights\n"
"r_shadow_realtime_world_lightmaps : use lightmaps in addition to lights\n"
Cvar_RegisterVariable(&r_shadow_gloss);
Cvar_RegisterVariable(&r_shadow_gloss2intensity);
Cvar_RegisterVariable(&r_shadow_glossintensity);
+ Cvar_RegisterVariable(&r_shadow_glossexponent);
Cvar_RegisterVariable(&r_shadow_lightattenuationpower);
Cvar_RegisterVariable(&r_shadow_lightattenuationscale);
Cvar_RegisterVariable(&r_shadow_lightintensityscale);
Cvar_RegisterVariable(&r_shadow_portallight);
Cvar_RegisterVariable(&r_shadow_projectdistance);
+ Cvar_RegisterVariable(&r_shadow_frontsidecasting);
Cvar_RegisterVariable(&r_shadow_realtime_dlight);
Cvar_RegisterVariable(&r_shadow_realtime_dlight_shadows);
+ Cvar_RegisterVariable(&r_shadow_realtime_dlight_svbspculling);
Cvar_RegisterVariable(&r_shadow_realtime_dlight_portalculling);
Cvar_RegisterVariable(&r_shadow_realtime_world);
Cvar_RegisterVariable(&r_shadow_realtime_world_dlightshadows);
Cvar_RegisterVariable(&r_shadow_realtime_world_shadows);
Cvar_RegisterVariable(&r_shadow_realtime_world_compile);
Cvar_RegisterVariable(&r_shadow_realtime_world_compileshadow);
+ Cvar_RegisterVariable(&r_shadow_realtime_world_compilesvbsp);
+ Cvar_RegisterVariable(&r_shadow_realtime_world_compileportalculling);
Cvar_RegisterVariable(&r_shadow_scissor);
Cvar_RegisterVariable(&r_shadow_shadow_polygonfactor);
Cvar_RegisterVariable(&r_shadow_shadow_polygonoffset);
Cvar_RegisterVariable(&r_shadow_texture3d);
+ Cvar_RegisterVariable(&gl_ext_separatestencil);
Cvar_RegisterVariable(&gl_ext_stenciltwoside);
if (gamemode == GAME_TENEBRAE)
{
numshadowmark = 0;
}
-int R_Shadow_ConstructShadowVolume(int innumvertices, int innumtris, const int *inelement3i, const int *inneighbor3i, const float *invertex3f, int *outnumvertices, int *outelement3i, float *outvertex3f, const float *projectorigin, float projectdistance, int numshadowmarktris, const int *shadowmarktris)
+int R_Shadow_ConstructShadowVolume(int innumvertices, int innumtris, const int *inelement3i, const int *inneighbor3i, const float *invertex3f, int *outnumvertices, int *outelement3i, float *outvertex3f, const float *projectorigin, const float *projectdirection, float projectdistance, int numshadowmarktris, const int *shadowmarktris)
{
int i, j;
int outtriangles = 0, outvertices = 0;
const int *element;
const float *vertex;
+ float ratio, direction[3], projectvector[3];
+
+ if (projectdirection)
+ VectorScale(projectdirection, projectdistance, projectvector);
+ else
+ VectorClear(projectvector);
if (maxvertexupdate < innumvertices)
{
for (i = 0;i < numshadowmarktris;i++)
shadowmark[shadowmarktris[i]] = shadowmarkcount;
- for (i = 0;i < numshadowmarktris;i++)
+ // create the vertices
+ if (projectdirection)
{
- element = inelement3i + shadowmarktris[i] * 3;
- // make sure the vertices are created
- for (j = 0;j < 3;j++)
+ for (i = 0;i < numshadowmarktris;i++)
{
- if (vertexupdate[element[j]] != vertexupdatenum)
+ element = inelement3i + shadowmarktris[i] * 3;
+ for (j = 0;j < 3;j++)
{
- float ratio, direction[3];
- vertexupdate[element[j]] = vertexupdatenum;
- vertexremap[element[j]] = outvertices;
- vertex = invertex3f + element[j] * 3;
- // project one copy of the vertex to the sphere radius of the light
- // (FIXME: would projecting it to the light box be better?)
- VectorSubtract(vertex, projectorigin, direction);
- ratio = projectdistance / VectorLength(direction);
- VectorCopy(vertex, outvertex3f);
- VectorMA(projectorigin, ratio, direction, (outvertex3f + 3));
- outvertex3f += 6;
- outvertices += 2;
+ if (vertexupdate[element[j]] != vertexupdatenum)
+ {
+ vertexupdate[element[j]] = vertexupdatenum;
+ vertexremap[element[j]] = outvertices;
+ vertex = invertex3f + element[j] * 3;
+ // project one copy of the vertex according to projectvector
+ VectorCopy(vertex, outvertex3f);
+ VectorAdd(vertex, projectvector, (outvertex3f + 3));
+ outvertex3f += 6;
+ outvertices += 2;
+ }
}
}
}
-
- for (i = 0;i < numshadowmarktris;i++)
+ else
{
- int remappedelement[3];
- int markindex;
- const int *neighbortriangle;
-
- markindex = shadowmarktris[i] * 3;
- element = inelement3i + markindex;
- neighbortriangle = inneighbor3i + markindex;
- // output the front and back triangles
- outelement3i[0] = vertexremap[element[0]];
- outelement3i[1] = vertexremap[element[1]];
- outelement3i[2] = vertexremap[element[2]];
- outelement3i[3] = vertexremap[element[2]] + 1;
- outelement3i[4] = vertexremap[element[1]] + 1;
- outelement3i[5] = vertexremap[element[0]] + 1;
-
- outelement3i += 6;
- outtriangles += 2;
- // output the sides (facing outward from this triangle)
- if (shadowmark[neighbortriangle[0]] != shadowmarkcount)
- {
- 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;
+ for (i = 0;i < numshadowmarktris;i++)
+ {
+ element = inelement3i + shadowmarktris[i] * 3;
+ for (j = 0;j < 3;j++)
+ {
+ if (vertexupdate[element[j]] != vertexupdatenum)
+ {
+ vertexupdate[element[j]] = vertexupdatenum;
+ vertexremap[element[j]] = outvertices;
+ vertex = invertex3f + element[j] * 3;
+ // project one copy of the vertex to the sphere radius of the light
+ // (FIXME: would projecting it to the light box be better?)
+ VectorSubtract(vertex, projectorigin, direction);
+ ratio = projectdistance / VectorLength(direction);
+ VectorCopy(vertex, outvertex3f);
+ VectorMA(projectorigin, ratio, direction, (outvertex3f + 3));
+ outvertex3f += 6;
+ outvertices += 2;
+ }
+ }
}
- if (shadowmark[neighbortriangle[1]] != shadowmarkcount)
+ }
+
+ if (r_shadow_frontsidecasting.integer)
+ {
+ for (i = 0;i < numshadowmarktris;i++)
{
- remappedelement[1] = vertexremap[element[1]];
- remappedelement[2] = vertexremap[element[2]];
- outelement3i[0] = remappedelement[2];
- outelement3i[1] = remappedelement[1];
- outelement3i[2] = remappedelement[1] + 1;
- outelement3i[3] = remappedelement[2];
- outelement3i[4] = remappedelement[1] + 1;
- outelement3i[5] = remappedelement[2] + 1;
+ int remappedelement[3];
+ int markindex;
+ const int *neighbortriangle;
+
+ markindex = shadowmarktris[i] * 3;
+ element = inelement3i + markindex;
+ neighbortriangle = inneighbor3i + markindex;
+ // output the front and back triangles
+ outelement3i[0] = vertexremap[element[0]];
+ outelement3i[1] = vertexremap[element[1]];
+ outelement3i[2] = vertexremap[element[2]];
+ outelement3i[3] = vertexremap[element[2]] + 1;
+ outelement3i[4] = vertexremap[element[1]] + 1;
+ outelement3i[5] = vertexremap[element[0]] + 1;
outelement3i += 6;
outtriangles += 2;
+ // output the sides (facing outward from this triangle)
+ if (shadowmark[neighbortriangle[0]] != shadowmarkcount)
+ {
+ remappedelement[0] = vertexremap[element[0]];
+ remappedelement[1] = vertexremap[element[1]];
+ outelement3i[0] = remappedelement[1];
+ outelement3i[1] = remappedelement[0];
+ outelement3i[2] = remappedelement[0] + 1;
+ outelement3i[3] = remappedelement[1];
+ outelement3i[4] = remappedelement[0] + 1;
+ outelement3i[5] = remappedelement[1] + 1;
+
+ outelement3i += 6;
+ outtriangles += 2;
+ }
+ if (shadowmark[neighbortriangle[1]] != shadowmarkcount)
+ {
+ remappedelement[1] = vertexremap[element[1]];
+ remappedelement[2] = vertexremap[element[2]];
+ outelement3i[0] = remappedelement[2];
+ outelement3i[1] = remappedelement[1];
+ outelement3i[2] = remappedelement[1] + 1;
+ outelement3i[3] = remappedelement[2];
+ outelement3i[4] = remappedelement[1] + 1;
+ outelement3i[5] = remappedelement[2] + 1;
+
+ outelement3i += 6;
+ outtriangles += 2;
+ }
+ if (shadowmark[neighbortriangle[2]] != shadowmarkcount)
+ {
+ remappedelement[0] = vertexremap[element[0]];
+ remappedelement[2] = vertexremap[element[2]];
+ outelement3i[0] = remappedelement[0];
+ outelement3i[1] = remappedelement[2];
+ outelement3i[2] = remappedelement[2] + 1;
+ outelement3i[3] = remappedelement[0];
+ outelement3i[4] = remappedelement[2] + 1;
+ outelement3i[5] = remappedelement[0] + 1;
+
+ outelement3i += 6;
+ outtriangles += 2;
+ }
}
- if (shadowmark[neighbortriangle[2]] != shadowmarkcount)
+ }
+ else
+ {
+ for (i = 0;i < numshadowmarktris;i++)
{
- remappedelement[0] = vertexremap[element[0]];
- remappedelement[2] = vertexremap[element[2]];
- outelement3i[0] = remappedelement[0];
- outelement3i[1] = remappedelement[2];
- outelement3i[2] = remappedelement[2] + 1;
- outelement3i[3] = remappedelement[0];
- outelement3i[4] = remappedelement[2] + 1;
- outelement3i[5] = remappedelement[0] + 1;
+ int remappedelement[3];
+ int markindex;
+ const int *neighbortriangle;
+
+ markindex = shadowmarktris[i] * 3;
+ element = inelement3i + markindex;
+ neighbortriangle = inneighbor3i + markindex;
+ // output the front and back triangles
+ outelement3i[0] = vertexremap[element[2]];
+ outelement3i[1] = vertexremap[element[1]];
+ outelement3i[2] = vertexremap[element[0]];
+ outelement3i[3] = vertexremap[element[0]] + 1;
+ outelement3i[4] = vertexremap[element[1]] + 1;
+ outelement3i[5] = vertexremap[element[2]] + 1;
outelement3i += 6;
outtriangles += 2;
+ // output the sides (facing outward from this triangle)
+ if (shadowmark[neighbortriangle[0]] != shadowmarkcount)
+ {
+ remappedelement[0] = vertexremap[element[0]];
+ remappedelement[1] = vertexremap[element[1]];
+ outelement3i[0] = remappedelement[0];
+ outelement3i[1] = remappedelement[1];
+ outelement3i[2] = remappedelement[1] + 1;
+ outelement3i[3] = remappedelement[0];
+ outelement3i[4] = remappedelement[1] + 1;
+ outelement3i[5] = remappedelement[0] + 1;
+
+ outelement3i += 6;
+ outtriangles += 2;
+ }
+ if (shadowmark[neighbortriangle[1]] != shadowmarkcount)
+ {
+ remappedelement[1] = vertexremap[element[1]];
+ remappedelement[2] = vertexremap[element[2]];
+ outelement3i[0] = remappedelement[1];
+ outelement3i[1] = remappedelement[2];
+ outelement3i[2] = remappedelement[2] + 1;
+ outelement3i[3] = remappedelement[1];
+ outelement3i[4] = remappedelement[2] + 1;
+ outelement3i[5] = remappedelement[1] + 1;
+
+ outelement3i += 6;
+ outtriangles += 2;
+ }
+ if (shadowmark[neighbortriangle[2]] != shadowmarkcount)
+ {
+ remappedelement[0] = vertexremap[element[0]];
+ remappedelement[2] = vertexremap[element[2]];
+ outelement3i[0] = remappedelement[2];
+ outelement3i[1] = remappedelement[0];
+ outelement3i[2] = remappedelement[0] + 1;
+ outelement3i[3] = remappedelement[2];
+ outelement3i[4] = remappedelement[0] + 1;
+ outelement3i[5] = remappedelement[2] + 1;
+
+ outelement3i += 6;
+ outtriangles += 2;
+ }
}
}
if (outnumvertices)
return outtriangles;
}
-void R_Shadow_VolumeFromList(int numverts, int numtris, const float *invertex3f, const int *elements, const int *neighbors, const vec3_t projectorigin, float projectdistance, int nummarktris, const int *marktris)
+void R_Shadow_VolumeFromList(int numverts, int numtris, const float *invertex3f, const int *elements, const int *neighbors, const vec3_t projectorigin, const vec3_t projectdirection, float projectdistance, int nummarktris, const int *marktris)
{
int tris, outverts;
if (projectdistance < 0.1)
{
- Con_Printf("R_Shadow_Volume: projectdistance %f\n");
+ Con_Printf("R_Shadow_Volume: projectdistance %f\n", projectdistance);
return;
}
if (!numverts || !nummarktris)
// 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, projectdistance, nummarktris, marktris);
+ tris = R_Shadow_ConstructShadowVolume(numverts, numtris, elements, neighbors, invertex3f, &outverts, shadowelements, shadowvertex3f, projectorigin, projectdirection, projectdistance, nummarktris, marktris);
r_refdef.stats.lights_dynamicshadowtriangles += tris;
R_Shadow_RenderVolume(outverts, tris, shadowvertex3f, shadowelements);
}
-void R_Shadow_MarkVolumeFromBox(int firsttriangle, int numtris, const float *invertex3f, const int *elements, const vec3_t projectorigin, const vec3_t lightmins, const vec3_t lightmaxs, const vec3_t surfacemins, const vec3_t surfacemaxs)
+void R_Shadow_MarkVolumeFromBox(int firsttriangle, int numtris, const float *invertex3f, const int *elements, const vec3_t projectorigin, const vec3_t projectdirection, const vec3_t lightmins, const vec3_t lightmaxs, const vec3_t surfacemins, const vec3_t surfacemaxs)
{
int t, tend;
const int *e;
const float *v[3];
+ float normal[3];
if (!BoxesOverlap(lightmins, lightmaxs, surfacemins, surfacemaxs))
return;
tend = firsttriangle + numtris;
&& surfacemins[2] >= lightmins[2] && surfacemaxs[2] <= lightmaxs[2])
{
// surface box entirely inside light box, no box cull
- for (t = firsttriangle, e = elements + t * 3;t < tend;t++, e += 3)
- if (PointInfrontOfTriangle(projectorigin, invertex3f + e[0] * 3, invertex3f + e[1] * 3, invertex3f + e[2] * 3))
- shadowmarklist[numshadowmark++] = t;
+ if (projectdirection)
+ {
+ for (t = firsttriangle, e = elements + t * 3;t < tend;t++, e += 3)
+ {
+ TriangleNormal(invertex3f + e[0] * 3, invertex3f + e[1] * 3, invertex3f + e[2] * 3, normal);
+ if (r_shadow_frontsidecasting.integer == (DotProduct(normal, projectdirection) < 0))
+ shadowmarklist[numshadowmark++] = t;
+ }
+ }
+ else
+ {
+ for (t = firsttriangle, e = elements + t * 3;t < tend;t++, e += 3)
+ if (r_shadow_frontsidecasting.integer == PointInfrontOfTriangle(projectorigin, invertex3f + e[0] * 3, invertex3f + e[1] * 3, invertex3f + e[2] * 3))
+ shadowmarklist[numshadowmark++] = t;
+ }
}
else
{
// surface box not entirely inside light box, cull each triangle
- for (t = firsttriangle, e = elements + t * 3;t < tend;t++, e += 3)
+ if (projectdirection)
{
- v[0] = invertex3f + e[0] * 3;
- v[1] = invertex3f + e[1] * 3;
- v[2] = invertex3f + e[2] * 3;
- if (PointInfrontOfTriangle(projectorigin, v[0], v[1], v[2])
- && lightmaxs[0] > min(v[0][0], min(v[1][0], v[2][0]))
- && lightmins[0] < max(v[0][0], max(v[1][0], v[2][0]))
- && lightmaxs[1] > min(v[0][1], min(v[1][1], v[2][1]))
- && lightmins[1] < max(v[0][1], max(v[1][1], v[2][1]))
- && lightmaxs[2] > min(v[0][2], min(v[1][2], v[2][2]))
- && lightmins[2] < max(v[0][2], max(v[1][2], v[2][2])))
- shadowmarklist[numshadowmark++] = t;
+ for (t = firsttriangle, e = elements + t * 3;t < tend;t++, e += 3)
+ {
+ v[0] = invertex3f + e[0] * 3;
+ v[1] = invertex3f + e[1] * 3;
+ v[2] = invertex3f + e[2] * 3;
+ TriangleNormal(v[0], v[1], v[2], normal);
+ if (r_shadow_frontsidecasting.integer == (DotProduct(normal, projectdirection) < 0)
+ && lightmaxs[0] > min(v[0][0], min(v[1][0], v[2][0]))
+ && lightmins[0] < max(v[0][0], max(v[1][0], v[2][0]))
+ && lightmaxs[1] > min(v[0][1], min(v[1][1], v[2][1]))
+ && lightmins[1] < max(v[0][1], max(v[1][1], v[2][1]))
+ && lightmaxs[2] > min(v[0][2], min(v[1][2], v[2][2]))
+ && lightmins[2] < max(v[0][2], max(v[1][2], v[2][2])))
+ shadowmarklist[numshadowmark++] = t;
+ }
+ }
+ else
+ {
+ for (t = firsttriangle, e = elements + t * 3;t < tend;t++, e += 3)
+ {
+ v[0] = invertex3f + e[0] * 3;
+ v[1] = invertex3f + e[1] * 3;
+ v[2] = invertex3f + e[2] * 3;
+ if (r_shadow_frontsidecasting.integer == PointInfrontOfTriangle(projectorigin, v[0], v[1], v[2])
+ && lightmaxs[0] > min(v[0][0], min(v[1][0], v[2][0]))
+ && lightmins[0] < max(v[0][0], max(v[1][0], v[2][0]))
+ && lightmaxs[1] > min(v[0][1], min(v[1][1], v[2][1]))
+ && lightmins[1] < max(v[0][1], max(v[1][1], v[2][1]))
+ && lightmaxs[2] > min(v[0][2], min(v[1][2], v[2][2]))
+ && lightmins[2] < max(v[0][2], max(v[1][2], v[2][2])))
+ shadowmarklist[numshadowmark++] = t;
+ }
}
}
}
if (r_shadow_rendermode == R_SHADOW_RENDERMODE_STENCIL)
{
// decrement stencil if backface is behind depthbuffer
- qglCullFace(GL_BACK);CHECKGLERROR // quake is backwards, this culls front faces
+ GL_CullFace(GL_BACK); // quake is backwards, this culls front faces
qglStencilOp(GL_KEEP, GL_DECR, GL_KEEP);CHECKGLERROR
R_Mesh_Draw(0, numvertices, numtriangles, element3i);
// increment stencil if frontface is behind depthbuffer
- qglCullFace(GL_FRONT);CHECKGLERROR // quake is backwards, this culls back faces
+ GL_CullFace(GL_FRONT); // quake is backwards, this culls back faces
qglStencilOp(GL_KEEP, GL_INCR, GL_KEEP);CHECKGLERROR
}
R_Mesh_Draw(0, numvertices, numtriangles, element3i);
{
if (r_shadow_texture3d.integer && !gl_texture3d)
Cvar_SetValueQuick(&r_shadow_texture3d, 0);
+ if (gl_ext_separatestencil.integer && !gl_support_separatestencil)
+ Cvar_SetValueQuick(&gl_ext_separatestencil, 0);
if (gl_ext_stenciltwoside.integer && !gl_support_stenciltwoside)
Cvar_SetValueQuick(&gl_ext_stenciltwoside, 0);
}
R_Mesh_ColorPointer(NULL);
R_Mesh_ResetTextureState();
GL_BlendFunc(GL_ONE, GL_ZERO);
- GL_DepthMask(false);
GL_DepthTest(true);
+ GL_DepthMask(false);
GL_Color(0, 0, 0, 1);
- qglCullFace(GL_FRONT);CHECKGLERROR // quake is backwards, this culls back faces
- qglEnable(GL_CULL_FACE);CHECKGLERROR
GL_Scissor(r_view.x, r_view.y, r_view.width, r_view.height);
r_shadow_rendermode = R_SHADOW_RENDERMODE_NONE;
- if (gl_ext_stenciltwoside.integer)
+ if (gl_ext_separatestencil.integer)
+ r_shadow_shadowingrendermode = R_SHADOW_RENDERMODE_SEPARATESTENCIL;
+ else if (gl_ext_stenciltwoside.integer)
r_shadow_shadowingrendermode = R_SHADOW_RENDERMODE_STENCILTWOSIDE;
else
r_shadow_shadowingrendermode = R_SHADOW_RENDERMODE_STENCIL;
}
R_Mesh_ColorPointer(NULL);
R_Mesh_ResetTextureState();
+ GL_DepthTest(true);
+ GL_DepthMask(false);
+ qglDepthFunc(GL_LEQUAL);CHECKGLERROR
+ qglPolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);CHECKGLERROR
+ qglDisable(GL_STENCIL_TEST);CHECKGLERROR
+ qglStencilMask(~0);CHECKGLERROR
+ qglStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);CHECKGLERROR
+ qglStencilFunc(GL_ALWAYS, 128, ~0);CHECKGLERROR
+ GL_CullFace(GL_FRONT); // quake is backwards, this culls back faces
+ GL_Color(1, 1, 1, 1);
+ GL_ColorMask(r_view.colormask[0], r_view.colormask[1], r_view.colormask[2], 1);
+ GL_BlendFunc(GL_ONE, GL_ZERO);
}
void R_Shadow_RenderMode_StencilShadowVolumes(void)
{
CHECKGLERROR
R_Shadow_RenderMode_Reset();
- GL_Color(1, 1, 1, 1);
GL_ColorMask(0, 0, 0, 0);
- GL_BlendFunc(GL_ONE, GL_ZERO);
- GL_DepthMask(false);
- GL_DepthTest(true);
qglPolygonOffset(r_refdef.shadowpolygonfactor, r_refdef.shadowpolygonoffset);CHECKGLERROR
qglDepthFunc(GL_LESS);CHECKGLERROR
- qglCullFace(GL_FRONT);CHECKGLERROR // quake is backwards, this culls back faces
qglEnable(GL_STENCIL_TEST);CHECKGLERROR
- qglStencilFunc(GL_ALWAYS, 128, ~0);CHECKGLERROR
r_shadow_rendermode = r_shadow_shadowingrendermode;
- if (r_shadow_rendermode == R_SHADOW_RENDERMODE_STENCILTWOSIDE)
+ if (r_shadow_rendermode == R_SHADOW_RENDERMODE_SEPARATESTENCIL)
{
- qglDisable(GL_CULL_FACE);CHECKGLERROR
+ GL_CullFace(GL_NONE);
+ qglStencilOpSeparate(GL_BACK, GL_KEEP, GL_INCR, GL_KEEP);CHECKGLERROR // quake is backwards, this is front faces
+ qglStencilOpSeparate(GL_FRONT, GL_KEEP, GL_DECR, GL_KEEP);CHECKGLERROR // quake is backwards, this is back faces
+ }
+ else if (r_shadow_rendermode == R_SHADOW_RENDERMODE_STENCILTWOSIDE)
+ {
+ GL_CullFace(GL_NONE);
qglEnable(GL_STENCIL_TEST_TWO_SIDE_EXT);CHECKGLERROR
qglActiveStencilFaceEXT(GL_BACK);CHECKGLERROR // quake is backwards, this is front faces
qglStencilMask(~0);CHECKGLERROR
qglStencilMask(~0);CHECKGLERROR
qglStencilOp(GL_KEEP, GL_DECR, GL_KEEP);CHECKGLERROR
}
- else
- {
- qglEnable(GL_CULL_FACE);CHECKGLERROR
- qglStencilMask(~0);CHECKGLERROR
- // this is changed by every shadow render so its value here is unimportant
- qglStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);CHECKGLERROR
- }
GL_Clear(GL_STENCIL_BUFFER_BIT);
r_refdef.stats.lights_clears++;
}
CHECKGLERROR
R_Shadow_RenderMode_Reset();
GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
- GL_DepthMask(false);
- GL_DepthTest(true);
- qglPolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);CHECKGLERROR
- //qglDisable(GL_POLYGON_OFFSET_FILL);CHECKGLERROR
- GL_Color(1, 1, 1, 1);
- GL_ColorMask(r_view.colormask[0], r_view.colormask[1], r_view.colormask[2], 1);
- if (transparent)
- {
- qglDepthFunc(GL_LEQUAL);CHECKGLERROR
- }
- else
+ if (!transparent)
{
qglDepthFunc(GL_EQUAL);CHECKGLERROR
}
- qglCullFace(GL_FRONT);CHECKGLERROR // quake is backwards, this culls back faces
- qglEnable(GL_CULL_FACE);CHECKGLERROR
if (stenciltest)
{
qglEnable(GL_STENCIL_TEST);CHECKGLERROR
+ // only draw light where this geometry was already rendered AND the
+ // stencil is 128 (values other than this mean shadow)
+ qglStencilFunc(GL_EQUAL, 128, ~0);CHECKGLERROR
}
- else
- {
- qglDisable(GL_STENCIL_TEST);CHECKGLERROR
- }
- qglStencilMask(~0);CHECKGLERROR
- qglStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);CHECKGLERROR
- // only draw light where this geometry was already rendered AND the
- // stencil is 128 (values other than this mean shadow)
- qglStencilFunc(GL_EQUAL, 128, ~0);CHECKGLERROR
r_shadow_rendermode = r_shadow_lightingrendermode;
// do global setup needed for the chosen lighting mode
if (r_shadow_rendermode == R_SHADOW_RENDERMODE_LIGHT_GLSL)
CHECKGLERROR
R_Shadow_RenderMode_Reset();
GL_BlendFunc(GL_ONE, GL_ONE);
- GL_DepthMask(false);
- GL_DepthTest(!r_showdisabledepthtest.integer);
- qglPolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);CHECKGLERROR
+ GL_DepthTest(r_showshadowvolumes.integer < 2);
GL_Color(0.0, 0.0125 * r_view.colorscale, 0.1 * r_view.colorscale, 1);
- GL_ColorMask(r_view.colormask[0], r_view.colormask[1], r_view.colormask[2], 1);
- qglDepthFunc(GL_GEQUAL);CHECKGLERROR
- qglCullFace(GL_FRONT);CHECKGLERROR // this culls back
- qglDisable(GL_CULL_FACE);CHECKGLERROR
- qglDisable(GL_STENCIL_TEST);CHECKGLERROR
+ qglPolygonOffset(r_refdef.shadowpolygonfactor, r_refdef.shadowpolygonoffset);CHECKGLERROR
+ GL_CullFace(GL_NONE);
r_shadow_rendermode = R_SHADOW_RENDERMODE_VISIBLEVOLUMES;
}
CHECKGLERROR
R_Shadow_RenderMode_Reset();
GL_BlendFunc(GL_ONE, GL_ONE);
- GL_DepthMask(false);
- GL_DepthTest(!r_showdisabledepthtest.integer);
- qglPolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);CHECKGLERROR
+ GL_DepthTest(r_showlighting.integer < 2);
GL_Color(0.1 * r_view.colorscale, 0.0125 * r_view.colorscale, 0, 1);
- GL_ColorMask(r_view.colormask[0], r_view.colormask[1], r_view.colormask[2], 1);
- if (transparent)
- {
- qglDepthFunc(GL_LEQUAL);CHECKGLERROR
- }
- else
+ if (!transparent)
{
qglDepthFunc(GL_EQUAL);CHECKGLERROR
}
- qglCullFace(GL_FRONT);CHECKGLERROR // this culls back
- qglEnable(GL_CULL_FACE);CHECKGLERROR
if (stenciltest)
{
qglEnable(GL_STENCIL_TEST);CHECKGLERROR
- }
- else
- {
- qglDisable(GL_STENCIL_TEST);CHECKGLERROR
+ qglStencilFunc(GL_EQUAL, 128, ~0);CHECKGLERROR
}
r_shadow_rendermode = R_SHADOW_RENDERMODE_VISIBLELIGHTING;
}
CHECKGLERROR
R_Shadow_RenderMode_Reset();
R_Shadow_RenderMode_ActiveLight(NULL);
- GL_BlendFunc(GL_ONE, GL_ZERO);
GL_DepthMask(true);
- GL_DepthTest(true);
- qglPolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);CHECKGLERROR
- //qglDisable(GL_POLYGON_OFFSET_FILL);CHECKGLERROR
- GL_Color(1, 1, 1, 1);
- GL_ColorMask(r_view.colormask[0], r_view.colormask[1], r_view.colormask[2], 1);
GL_Scissor(r_view.x, r_view.y, r_view.width, r_view.height);
- qglDepthFunc(GL_LEQUAL);CHECKGLERROR
- qglCullFace(GL_FRONT);CHECKGLERROR // quake is backwards, this culls back faces
- qglEnable(GL_CULL_FACE);CHECKGLERROR
- qglDisable(GL_STENCIL_TEST);CHECKGLERROR
- qglStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);CHECKGLERROR
- if (gl_support_stenciltwoside)
- {
- qglDisable(GL_STENCIL_TEST_TWO_SIDE_EXT);CHECKGLERROR
- }
- qglStencilMask(~0);CHECKGLERROR
- qglStencilFunc(GL_ALWAYS, 128, ~0);CHECKGLERROR
r_shadow_rendermode = R_SHADOW_RENDERMODE_NONE;
}
static void R_Shadow_RenderSurfacesLighting_Light_Dot3_SpecularPass(int numsurfaces, msurface_t **surfacelist, const vec3_t lightcolorbase, rtexture_t *glosstexture, rtexture_t *normalmaptexture, float colorscale)
{
+ float glossexponent;
rmeshstate_t m;
// FIXME: detect blendsquare!
//if (!gl_support_blendsquare)
R_Mesh_ResetTextureState();
// square alpha in framebuffer a few times to make it shiny
GL_BlendFunc(GL_ZERO, GL_DST_ALPHA);
- // these comments are a test run through this math for intensity 0.5
- // 0.5 * 0.5 = 0.25 (done by the BlendFunc earlier)
- // 0.25 * 0.25 = 0.0625 (this is another pass)
- // 0.0625 * 0.0625 = 0.00390625 (this is another pass)
- RSurf_DrawBatch_Simple(numsurfaces, surfacelist);
- RSurf_DrawBatch_Simple(numsurfaces, surfacelist);
+ for (glossexponent = 2;glossexponent * 2 <= r_shadow_glossexponent.value;glossexponent *= 2)
+ RSurf_DrawBatch_Simple(numsurfaces, surfacelist);
GL_LockArrays(0, 0);
// fourth pass
R_Mesh_ResetTextureState();
// square alpha in framebuffer a few times to make it shiny
GL_BlendFunc(GL_ZERO, GL_DST_ALPHA);
- // these comments are a test run through this math for intensity 0.5
- // 0.5 * 0.5 = 0.25 (done by the BlendFunc earlier)
- // 0.25 * 0.25 = 0.0625 (this is another pass)
- // 0.0625 * 0.0625 = 0.00390625 (this is another pass)
- RSurf_DrawBatch_Simple(numsurfaces, surfacelist);
- RSurf_DrawBatch_Simple(numsurfaces, surfacelist);
+ for (glossexponent = 2;glossexponent * 2 <= r_shadow_glossexponent.value;glossexponent *= 2)
+ RSurf_DrawBatch_Simple(numsurfaces, surfacelist);
GL_LockArrays(0, 0);
// fourth pass
R_Mesh_ResetTextureState();
// square alpha in framebuffer a few times to make it shiny
GL_BlendFunc(GL_ZERO, GL_DST_ALPHA);
- // these comments are a test run through this math for intensity 0.5
- // 0.5 * 0.5 = 0.25 (done by the BlendFunc earlier)
- // 0.25 * 0.25 = 0.0625 (this is another pass)
- // 0.0625 * 0.0625 = 0.00390625 (this is another pass)
- RSurf_DrawBatch_Simple(numsurfaces, surfacelist);
- RSurf_DrawBatch_Simple(numsurfaces, surfacelist);
+ for (glossexponent = 2;glossexponent * 2 <= r_shadow_glossexponent.value;glossexponent *= 2)
+ RSurf_DrawBatch_Simple(numsurfaces, surfacelist);
GL_LockArrays(0, 0);
// fourth pass
lightcolorbase[2] = r_shadow_rtlight->currentcolor[2] * rsurface_entity->colormod[2] * rsurface_texture->currentalpha;
if ((r_shadow_rtlight->ambientscale + r_shadow_rtlight->diffusescale) * VectorLength2(lightcolorbase) + (r_shadow_rtlight->specularscale * rsurface_texture->specularscale) * VectorLength2(lightcolorbase) < (1.0f / 1048576.0f))
return;
- if ((rsurface_texture->textureflags & Q3TEXTUREFLAG_TWOSIDED) || (rsurface_entity->flags & RENDER_NOCULLFACE))
- {
- qglDisable(GL_CULL_FACE);CHECKGLERROR
- }
- else
- {
- qglEnable(GL_CULL_FACE);CHECKGLERROR
- }
+ GL_DepthTest(!(rsurface_texture->currentmaterialflags & MATERIALFLAG_NODEPTHTEST));
+ GL_CullFace(((rsurface_texture->textureflags & Q3TEXTUREFLAG_TWOSIDED) || (rsurface_entity->flags & RENDER_NOCULLFACE)) ? GL_NONE : GL_FRONT); // quake is backwards, this culls back faces
if (rsurface_texture->colormapping)
{
- qboolean dopants = rsurface_texture->skin.pants != NULL && VectorLength2(rsurface_entity->colormap_pantscolor) >= (1.0f / 1048576.0f);
- qboolean doshirt = rsurface_texture->skin.shirt != NULL && VectorLength2(rsurface_entity->colormap_shirtcolor) >= (1.0f / 1048576.0f);
+ qboolean dopants = rsurface_texture->currentskinframe->pants != NULL && VectorLength2(rsurface_entity->colormap_pantscolor) >= (1.0f / 1048576.0f);
+ qboolean doshirt = rsurface_texture->currentskinframe->shirt != NULL && VectorLength2(rsurface_entity->colormap_shirtcolor) >= (1.0f / 1048576.0f);
if (dopants)
{
lightcolorpants[0] = lightcolorbase[0] * rsurface_entity->colormap_pantscolor[0];
switch (r_shadow_rendermode)
{
case R_SHADOW_RENDERMODE_VISIBLELIGHTING:
- R_Shadow_RenderSurfacesLighting_VisibleLighting(numsurfaces, surfacelist, lightcolorbase, lightcolorpants, lightcolorshirt, rsurface_texture->basetexture, rsurface_texture->skin.pants, rsurface_texture->skin.shirt, rsurface_texture->skin.nmap, rsurface_texture->glosstexture, r_shadow_rtlight->specularscale * rsurface_texture->specularscale, dopants, doshirt);
+ GL_DepthTest(!(rsurface_texture->currentmaterialflags & MATERIALFLAG_NODEPTHTEST) && !r_showdisabledepthtest.integer);
+ R_Shadow_RenderSurfacesLighting_VisibleLighting(numsurfaces, surfacelist, lightcolorbase, lightcolorpants, lightcolorshirt, rsurface_texture->basetexture, rsurface_texture->currentskinframe->pants, rsurface_texture->currentskinframe->shirt, rsurface_texture->currentskinframe->nmap, rsurface_texture->glosstexture, r_shadow_rtlight->specularscale * rsurface_texture->specularscale, dopants, doshirt);
break;
case R_SHADOW_RENDERMODE_LIGHT_GLSL:
- R_Shadow_RenderSurfacesLighting_Light_GLSL(numsurfaces, surfacelist, lightcolorbase, lightcolorpants, lightcolorshirt, rsurface_texture->basetexture, rsurface_texture->skin.pants, rsurface_texture->skin.shirt, rsurface_texture->skin.nmap, rsurface_texture->glosstexture, r_shadow_rtlight->specularscale * rsurface_texture->specularscale, dopants, doshirt);
+ R_Shadow_RenderSurfacesLighting_Light_GLSL(numsurfaces, surfacelist, lightcolorbase, lightcolorpants, lightcolorshirt, rsurface_texture->basetexture, rsurface_texture->currentskinframe->pants, rsurface_texture->currentskinframe->shirt, rsurface_texture->currentskinframe->nmap, rsurface_texture->glosstexture, r_shadow_rtlight->specularscale * rsurface_texture->specularscale, dopants, doshirt);
break;
case R_SHADOW_RENDERMODE_LIGHT_DOT3:
- R_Shadow_RenderSurfacesLighting_Light_Dot3(numsurfaces, surfacelist, lightcolorbase, lightcolorpants, lightcolorshirt, rsurface_texture->basetexture, rsurface_texture->skin.pants, rsurface_texture->skin.shirt, rsurface_texture->skin.nmap, rsurface_texture->glosstexture, r_shadow_rtlight->specularscale * rsurface_texture->specularscale, dopants, doshirt);
+ R_Shadow_RenderSurfacesLighting_Light_Dot3(numsurfaces, surfacelist, lightcolorbase, lightcolorpants, lightcolorshirt, rsurface_texture->basetexture, rsurface_texture->currentskinframe->pants, rsurface_texture->currentskinframe->shirt, rsurface_texture->currentskinframe->nmap, rsurface_texture->glosstexture, r_shadow_rtlight->specularscale * rsurface_texture->specularscale, dopants, doshirt);
break;
case R_SHADOW_RENDERMODE_LIGHT_VERTEX:
- R_Shadow_RenderSurfacesLighting_Light_Vertex(numsurfaces, surfacelist, lightcolorbase, lightcolorpants, lightcolorshirt, rsurface_texture->basetexture, rsurface_texture->skin.pants, rsurface_texture->skin.shirt, rsurface_texture->skin.nmap, rsurface_texture->glosstexture, r_shadow_rtlight->specularscale * rsurface_texture->specularscale, dopants, doshirt);
+ R_Shadow_RenderSurfacesLighting_Light_Vertex(numsurfaces, surfacelist, lightcolorbase, lightcolorpants, lightcolorshirt, rsurface_texture->basetexture, rsurface_texture->currentskinframe->pants, rsurface_texture->currentskinframe->shirt, rsurface_texture->currentskinframe->nmap, rsurface_texture->glosstexture, r_shadow_rtlight->specularscale * rsurface_texture->specularscale, dopants, doshirt);
break;
default:
Con_Printf("R_Shadow_RenderSurfacesLighting: unknown r_shadow_rendermode %i\n", r_shadow_rendermode);
switch (r_shadow_rendermode)
{
case R_SHADOW_RENDERMODE_VISIBLELIGHTING:
- R_Shadow_RenderSurfacesLighting_VisibleLighting(numsurfaces, surfacelist, lightcolorbase, vec3_origin, vec3_origin, rsurface_texture->basetexture, r_texture_black, r_texture_black, rsurface_texture->skin.nmap, rsurface_texture->glosstexture, r_shadow_rtlight->specularscale * rsurface_texture->specularscale, false, false);
+ GL_DepthTest(!(rsurface_texture->currentmaterialflags & MATERIALFLAG_NODEPTHTEST) && !r_showdisabledepthtest.integer);
+ R_Shadow_RenderSurfacesLighting_VisibleLighting(numsurfaces, surfacelist, lightcolorbase, vec3_origin, vec3_origin, rsurface_texture->basetexture, r_texture_black, r_texture_black, rsurface_texture->currentskinframe->nmap, rsurface_texture->glosstexture, r_shadow_rtlight->specularscale * rsurface_texture->specularscale, false, false);
break;
case R_SHADOW_RENDERMODE_LIGHT_GLSL:
- R_Shadow_RenderSurfacesLighting_Light_GLSL(numsurfaces, surfacelist, lightcolorbase, vec3_origin, vec3_origin, rsurface_texture->basetexture, r_texture_black, r_texture_black, rsurface_texture->skin.nmap, rsurface_texture->glosstexture, r_shadow_rtlight->specularscale * rsurface_texture->specularscale, false, false);
+ R_Shadow_RenderSurfacesLighting_Light_GLSL(numsurfaces, surfacelist, lightcolorbase, vec3_origin, vec3_origin, rsurface_texture->basetexture, r_texture_black, r_texture_black, rsurface_texture->currentskinframe->nmap, rsurface_texture->glosstexture, r_shadow_rtlight->specularscale * rsurface_texture->specularscale, false, false);
break;
case R_SHADOW_RENDERMODE_LIGHT_DOT3:
- R_Shadow_RenderSurfacesLighting_Light_Dot3(numsurfaces, surfacelist, lightcolorbase, vec3_origin, vec3_origin, rsurface_texture->basetexture, r_texture_black, r_texture_black, rsurface_texture->skin.nmap, rsurface_texture->glosstexture, r_shadow_rtlight->specularscale * rsurface_texture->specularscale, false, false);
+ R_Shadow_RenderSurfacesLighting_Light_Dot3(numsurfaces, surfacelist, lightcolorbase, vec3_origin, vec3_origin, rsurface_texture->basetexture, r_texture_black, r_texture_black, rsurface_texture->currentskinframe->nmap, rsurface_texture->glosstexture, r_shadow_rtlight->specularscale * rsurface_texture->specularscale, false, false);
break;
case R_SHADOW_RENDERMODE_LIGHT_VERTEX:
- R_Shadow_RenderSurfacesLighting_Light_Vertex(numsurfaces, surfacelist, lightcolorbase, vec3_origin, vec3_origin, rsurface_texture->basetexture, r_texture_black, r_texture_black, rsurface_texture->skin.nmap, rsurface_texture->glosstexture, r_shadow_rtlight->specularscale * rsurface_texture->specularscale, false, false);
+ R_Shadow_RenderSurfacesLighting_Light_Vertex(numsurfaces, surfacelist, lightcolorbase, vec3_origin, vec3_origin, rsurface_texture->basetexture, r_texture_black, r_texture_black, rsurface_texture->currentskinframe->nmap, rsurface_texture->glosstexture, r_shadow_rtlight->specularscale * rsurface_texture->specularscale, false, false);
break;
default:
Con_Printf("R_Shadow_RenderSurfacesLighting: unknown r_shadow_rendermode %i\n", r_shadow_rendermode);
}
}
-void R_RTLight_Update(dlight_t *light, int isstatic)
+void R_RTLight_Update(rtlight_t *rtlight, int isstatic, matrix4x4_t *matrix, vec3_t color, int style, const char *cubemapname, qboolean shadow, vec_t corona, vec_t coronasizescale, vec_t ambientscale, vec_t diffusescale, vec_t specularscale, int flags)
{
- int j, k;
- float scale;
- rtlight_t *rtlight = &light->rtlight;
+ // if this light has been compiled before, free the associated data
R_RTLight_Uncompile(rtlight);
+
+ // clear it completely to avoid any lingering data
memset(rtlight, 0, sizeof(*rtlight));
- VectorCopy(light->origin, rtlight->shadoworigin);
- VectorCopy(light->color, rtlight->color);
- rtlight->radius = light->radius;
+ // copy the properties
+ Matrix4x4_Invert_Simple(&rtlight->matrix_worldtolight, matrix);
+ Matrix4x4_OriginFromMatrix(matrix, rtlight->shadoworigin);
+ rtlight->radius = Matrix4x4_ScaleFromMatrix(matrix);
+ VectorCopy(color, rtlight->color);
+ rtlight->cubemapname[0] = 0;
+ if (cubemapname && cubemapname[0])
+ strlcpy(rtlight->cubemapname, cubemapname, sizeof(rtlight->cubemapname));
+ rtlight->shadow = shadow;
+ rtlight->corona = corona;
+ rtlight->style = style;
+ rtlight->isstatic = isstatic;
+ rtlight->coronasizescale = coronasizescale;
+ rtlight->ambientscale = ambientscale;
+ rtlight->diffusescale = diffusescale;
+ rtlight->specularscale = specularscale;
+ rtlight->flags = flags;
+
+ // compute derived data
//rtlight->cullradius = rtlight->radius;
//rtlight->cullradius2 = rtlight->radius * rtlight->radius;
rtlight->cullmins[0] = rtlight->shadoworigin[0] - rtlight->radius;
rtlight->cullmaxs[0] = rtlight->shadoworigin[0] + rtlight->radius;
rtlight->cullmaxs[1] = rtlight->shadoworigin[1] + rtlight->radius;
rtlight->cullmaxs[2] = rtlight->shadoworigin[2] + rtlight->radius;
- rtlight->cubemapname[0] = 0;
- if (light->cubemapname[0])
- strcpy(rtlight->cubemapname, light->cubemapname);
- else if (light->cubemapnum > 0)
- sprintf(rtlight->cubemapname, "cubemaps/%i", light->cubemapnum);
- rtlight->shadow = light->shadow;
- rtlight->corona = light->corona;
- rtlight->style = light->style;
- rtlight->isstatic = isstatic;
- rtlight->coronasizescale = light->coronasizescale;
- rtlight->ambientscale = light->ambientscale;
- rtlight->diffusescale = light->diffusescale;
- rtlight->specularscale = light->specularscale;
- rtlight->flags = light->flags;
- Matrix4x4_Invert_Simple(&rtlight->matrix_worldtolight, &light->matrix);
- // ConcatScale won't work here because this needs to scale rotate and
- // translate, not just rotate
- scale = 1.0f / rtlight->radius;
- for (k = 0;k < 3;k++)
- for (j = 0;j < 4;j++)
- rtlight->matrix_worldtolight.m[k][j] *= scale;
}
// compiles rtlight geometry
if (numsurfaces)
memcpy(rtlight->static_surfacelist, r_shadow_buffer_surfacelist, rtlight->static_numsurfaces * sizeof(*rtlight->static_surfacelist));
if (model->CompileShadowVolume && rtlight->shadow)
- model->CompileShadowVolume(ent, rtlight->shadoworigin, rtlight->radius, numsurfaces, r_shadow_buffer_surfacelist);
+ model->CompileShadowVolume(ent, rtlight->shadoworigin, NULL, rtlight->radius, numsurfaces, r_shadow_buffer_surfacelist);
// now we're done compiling the rtlight
r_shadow_compilingrtlight = NULL;
}
if (r_shadow_rendermode == R_SHADOW_RENDERMODE_STENCIL)
{
// decrement stencil if backface is behind depthbuffer
- qglCullFace(GL_BACK);CHECKGLERROR // quake is backwards, this culls front faces
+ GL_CullFace(GL_BACK); // quake is backwards, this culls front faces
qglStencilOp(GL_KEEP, GL_DECR, GL_KEEP);CHECKGLERROR
R_Mesh_Draw(0, mesh->numverts, mesh->numtriangles, mesh->element3i);
// increment stencil if frontface is behind depthbuffer
- qglCullFace(GL_FRONT);CHECKGLERROR // quake is backwards, this culls back faces
+ GL_CullFace(GL_FRONT); // quake is backwards, this culls back faces
qglStencilOp(GL_KEEP, GL_INCR, GL_KEEP);CHECKGLERROR
}
R_Mesh_Draw(0, mesh->numverts, mesh->numtriangles, mesh->element3i);
else if (numsurfaces)
{
R_Mesh_Matrix(&ent->matrix);
- model->DrawShadowVolume(ent, r_shadow_rtlight->shadoworigin, r_shadow_rtlight->radius, numsurfaces, surfacelist, r_shadow_rtlight->cullmins, r_shadow_rtlight->cullmaxs);
+ model->DrawShadowVolume(ent, r_shadow_rtlight->shadoworigin, NULL, r_shadow_rtlight->radius, numsurfaces, surfacelist, r_shadow_rtlight_cullmins, r_shadow_rtlight_cullmaxs);
}
}
else
relativeshadowmaxs[1] = relativeshadoworigin[1] + relativeshadowradius;
relativeshadowmaxs[2] = relativeshadoworigin[2] + relativeshadowradius;
R_Mesh_Matrix(&ent->matrix);
- model->DrawShadowVolume(ent, relativeshadoworigin, relativeshadowradius, model->nummodelsurfaces, model->surfacelist, relativeshadowmins, relativeshadowmaxs);
+ model->DrawShadowVolume(ent, relativeshadoworigin, NULL, relativeshadowradius, model->nummodelsurfaces, model->surfacelist, relativeshadowmins, relativeshadowmaxs);
}
}
if (R_CullBox(rtlight->cullmins, rtlight->cullmaxs))
return;
+ VectorCopy(rtlight->cullmins, r_shadow_rtlight_cullmins);
+ VectorCopy(rtlight->cullmaxs, r_shadow_rtlight_cullmaxs);
+
if (rtlight->compiled && r_shadow_realtime_world_compile.integer)
{
// compiled light, world available and can receive realtime lighting
// dynamic light, world available and can receive realtime lighting
// calculate lit surfaces and leafs
R_Shadow_EnlargeLeafSurfaceBuffer(r_refdef.worldmodel->brush.num_leafs, r_refdef.worldmodel->num_surfaces);
- r_refdef.worldmodel->GetLightInfo(r_refdef.worldentity, rtlight->shadoworigin, rtlight->radius, rtlight->cullmins, rtlight->cullmaxs, r_shadow_buffer_leaflist, r_shadow_buffer_leafpvs, &numleafs, r_shadow_buffer_surfacelist, r_shadow_buffer_surfacepvs, &numsurfaces);
+ r_refdef.worldmodel->GetLightInfo(r_refdef.worldentity, rtlight->shadoworigin, rtlight->radius, r_shadow_rtlight_cullmins, r_shadow_rtlight_cullmaxs, r_shadow_buffer_leaflist, r_shadow_buffer_leafpvs, &numleafs, r_shadow_buffer_surfacelist, r_shadow_buffer_surfacepvs, &numsurfaces);
leaflist = r_shadow_buffer_leaflist;
leafpvs = r_shadow_buffer_leafpvs;
surfacelist = r_shadow_buffer_surfacelist;
// if the reduced leaf bounds are offscreen, skip it
- if (R_CullBox(rtlight->cullmins, rtlight->cullmaxs))
+ if (R_CullBox(r_shadow_rtlight_cullmins, r_shadow_rtlight_cullmaxs))
return;
}
else
return;
}
// set up a scissor rectangle for this light
- if (R_Shadow_ScissorForBBox(rtlight->cullmins, rtlight->cullmaxs))
+ if (R_Shadow_ScissorForBBox(r_shadow_rtlight_cullmins, r_shadow_rtlight_cullmaxs))
return;
// make a list of lit entities and shadow casting entities
{
model_t *model;
entity_render_t *ent = r_refdef.entities[i];
- if (BoxesOverlap(ent->mins, ent->maxs, rtlight->cullmins, rtlight->cullmaxs)
+ if (BoxesOverlap(ent->mins, ent->maxs, r_shadow_rtlight_cullmins, r_shadow_rtlight_cullmaxs)
&& (model = ent->model)
&& !(ent->flags & RENDER_TRANSPARENT)
&& (r_refdef.worldmodel == NULL || r_refdef.worldmodel->brush.BoxTouchingLeafPVS == NULL || r_refdef.worldmodel->brush.BoxTouchingLeafPVS(r_refdef.worldmodel, leafpvs, ent->mins, ent->maxs)))
{
// about the VectorDistance2 - light emitting entities should not cast their own shadow
- if ((ent->flags & RENDER_SHADOW) && model->DrawShadowVolume && VectorDistance2(ent->origin, rtlight->shadoworigin) > 0.1)
+ vec3_t org;
+ Matrix4x4_OriginFromMatrix(&ent->matrix, org);
+ if ((ent->flags & RENDER_SHADOW) && model->DrawShadowVolume && VectorDistance2(org, rtlight->shadoworigin) > 0.1)
shadowentities[numshadowentities++] = ent;
if (r_viewcache.entityvisible[i] && (ent->flags & RENDER_LIGHT) && model->DrawLight)
lightentities[numlightentities++] = ent;
R_DrawRTLight(&light->rtlight, visible);
if (r_refdef.rtdlight)
for (lnum = 0;lnum < r_refdef.numlights;lnum++)
- R_DrawRTLight(&r_refdef.lights[lnum]->rtlight, visible);
+ R_DrawRTLight(&r_refdef.lights[lnum], visible);
R_Shadow_RenderMode_End();
}
+extern void R_SetupView(const matrix4x4_t *matrix);
+extern cvar_t r_shadows_throwdistance;
+void R_DrawModelShadows(void)
+{
+ int i;
+ float relativethrowdistance;
+ entity_render_t *ent;
+ vec3_t relativelightorigin;
+ vec3_t relativelightdirection;
+ vec3_t relativeshadowmins, relativeshadowmaxs;
+ float vertex3f[12];
+
+ if (!r_drawentities.integer || !gl_stencil)
+ return;
+
+ CHECKGLERROR
+ GL_Scissor(r_view.x, r_view.y, r_view.width, r_view.height);
+
+ r_shadow_rendermode = R_SHADOW_RENDERMODE_NONE;
+
+ if (gl_ext_separatestencil.integer)
+ r_shadow_shadowingrendermode = R_SHADOW_RENDERMODE_SEPARATESTENCIL;
+ else if (gl_ext_stenciltwoside.integer)
+ r_shadow_shadowingrendermode = R_SHADOW_RENDERMODE_STENCILTWOSIDE;
+ else
+ r_shadow_shadowingrendermode = R_SHADOW_RENDERMODE_STENCIL;
+
+ R_Shadow_RenderMode_StencilShadowVolumes();
+
+ for (i = 0;i < r_refdef.numentities;i++)
+ {
+ ent = r_refdef.entities[i];
+ // cast shadows from anything that is not a submodel of the map
+ if (ent->model && ent->model->DrawShadowVolume != NULL && !ent->model->brush.submodel && (ent->flags & RENDER_SHADOW))
+ {
+ relativethrowdistance = r_shadows_throwdistance.value * Matrix4x4_ScaleFromMatrix(&ent->inversematrix);
+ VectorSet(relativeshadowmins, -relativethrowdistance, -relativethrowdistance, -relativethrowdistance);
+ VectorSet(relativeshadowmaxs, relativethrowdistance, relativethrowdistance, relativethrowdistance);
+ VectorNegate(ent->modellight_lightdir, relativelightdirection);
+ VectorScale(relativelightdirection, -relativethrowdistance, relativelightorigin);
+ R_Mesh_Matrix(&ent->matrix);
+ ent->model->DrawShadowVolume(ent, relativelightorigin, relativelightdirection, relativethrowdistance, ent->model->nummodelsurfaces, ent->model->surfacelist, relativeshadowmins, relativeshadowmaxs);
+ }
+ }
+
+ // not really the right mode, but this will disable any silly stencil features
+ R_Shadow_RenderMode_VisibleLighting(true, true);
+
+ // vertex coordinates for a quad that covers the screen exactly
+ vertex3f[0] = 0;vertex3f[1] = 0;vertex3f[2] = 0;
+ vertex3f[3] = 1;vertex3f[4] = 0;vertex3f[5] = 0;
+ vertex3f[6] = 1;vertex3f[7] = 1;vertex3f[8] = 0;
+ vertex3f[9] = 0;vertex3f[10] = 1;vertex3f[11] = 0;
+
+ // set up ortho view for rendering this pass
+ GL_SetupView_Mode_Ortho(0, 0, 1, 1, -10, 100);
+ GL_Scissor(r_view.x, r_view.y, r_view.width, r_view.height);
+ GL_ColorMask(r_view.colormask[0], r_view.colormask[1], r_view.colormask[2], 1);
+ GL_ScissorTest(true);
+ R_Mesh_Matrix(&identitymatrix);
+ R_Mesh_ResetTextureState();
+ R_Mesh_VertexPointer(vertex3f);
+ R_Mesh_ColorPointer(NULL);
+
+ // set up a 50% darkening blend on shadowed areas
+ GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+ GL_DepthTest(false);
+ GL_DepthMask(false);
+ qglPolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);CHECKGLERROR
+ GL_Color(0, 0, 0, 0.5);
+ GL_ColorMask(r_view.colormask[0], r_view.colormask[1], r_view.colormask[2], 1);
+ qglDepthFunc(GL_ALWAYS);CHECKGLERROR
+ qglEnable(GL_STENCIL_TEST);CHECKGLERROR
+ qglStencilMask(~0);CHECKGLERROR
+ qglStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);CHECKGLERROR
+ qglStencilFunc(GL_NOTEQUAL, 128, ~0);CHECKGLERROR
+
+ // apply the blend to the shadowed areas
+ R_Mesh_Draw(0, 4, 2, polygonelements);
+
+ // restoring the perspective view is done by R_RenderScene
+ //R_SetupView(&r_view.matrix);
+
+ // restore other state to normal
+ R_Shadow_RenderMode_End();
+}
+
+
//static char *suffix[6] = {"ft", "bk", "rt", "lf", "up", "dn"};
typedef struct suffixinfo_s
{
if (i >= MAX_CUBEMAPS)
return r_texture_whitecube;
numcubemaps++;
- strcpy(cubemaps[i].basename, basename);
+ strlcpy(cubemaps[i].basename, basename, sizeof(cubemaps[i].basename));
cubemaps[i].texture = R_Shadow_LoadCubemap(cubemaps[i].basename);
if (!cubemaps[i].texture)
cubemaps[i].texture = r_texture_whitecube;
void R_Shadow_UpdateWorldLight(dlight_t *light, vec3_t origin, vec3_t angles, vec3_t color, vec_t radius, vec_t corona, int style, int shadowenable, const char *cubemapname, vec_t coronasizescale, vec_t ambientscale, vec_t diffusescale, vec_t specularscale, int flags)
{
+ matrix4x4_t matrix;
+ // validate parameters
+ if (style < 0 || style >= MAX_LIGHTSTYLES)
+ {
+ Con_Printf("R_Shadow_NewWorldLight: invalid light style number %i, must be >= 0 and < %i\n", light->style, MAX_LIGHTSTYLES);
+ style = 0;
+ }
+ if (!cubemapname)
+ cubemapname = "";
+
+ // copy to light properties
VectorCopy(origin, light->origin);
light->angles[0] = angles[0] - 360 * floor(angles[0] / 360);
light->angles[1] = angles[1] - 360 * floor(angles[1] / 360);
light->color[2] = max(color[2], 0);
light->radius = max(radius, 0);
light->style = style;
- if (light->style < 0 || light->style >= MAX_LIGHTSTYLES)
- {
- Con_Printf("R_Shadow_NewWorldLight: invalid light style number %i, must be >= 0 and < %i\n", light->style, MAX_LIGHTSTYLES);
- light->style = 0;
- }
light->shadow = shadowenable;
light->corona = corona;
- if (!cubemapname)
- cubemapname = "";
strlcpy(light->cubemapname, cubemapname, sizeof(light->cubemapname));
light->coronasizescale = coronasizescale;
light->ambientscale = ambientscale;
light->diffusescale = diffusescale;
light->specularscale = specularscale;
light->flags = flags;
- Matrix4x4_CreateFromQuakeEntity(&light->matrix, light->origin[0], light->origin[1], light->origin[2], light->angles[0], light->angles[1], light->angles[2], 1);
- R_RTLight_Update(light, true);
+ // update renderable light data
+ Matrix4x4_CreateFromQuakeEntity(&matrix, light->origin[0], light->origin[1], light->origin[2], light->angles[0], light->angles[1], light->angles[2], light->radius);
+ R_RTLight_Update(&light->rtlight, true, &matrix, light->color, light->style, light->cubemapname[0] ? light->cubemapname : NULL, light->shadow, light->corona, light->coronasizescale, light->ambientscale, light->diffusescale, light->specularscale, light->flags);
}
void R_Shadow_FreeWorldLight(dlight_t *light)
if (rating >= 0.95)
{
rating /= (1 + 0.0625f * sqrt(DotProduct(temp, temp)));
- if (bestrating < rating && CL_TraceBox(light->origin, vec3_origin, vec3_origin, r_view.origin, true, NULL, SUPERCONTENTS_SOLID, false).fraction == 1.0f)
+ if (bestrating < rating && CL_Move(light->origin, vec3_origin, vec3_origin, r_view.origin, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, true, false, NULL, false).fraction == 1.0f)
{
bestrating = rating;
best = light;
// remove quotes on cubemapname
if (cubemapname[0] == '"' && cubemapname[strlen(cubemapname) - 1] == '"')
{
- cubemapname[strlen(cubemapname)-1] = 0;
- strcpy(cubemapname, cubemapname + 1);
+ size_t namelen;
+ namelen = strlen(cubemapname) - 2;
+ memmove(cubemapname, cubemapname + 1, namelen);
+ cubemapname[namelen] = '\0';
}
if (a < 8)
{
data = r_refdef.worldmodel->brush.entities;
if (!data)
return;
- for (entnum = 0;COM_ParseToken(&data, false) && com_token[0] == '{';entnum++)
+ for (entnum = 0;COM_ParseTokenConsole(&data) && com_token[0] == '{';entnum++)
{
type = LIGHTTYPE_MINUSX;
origin[0] = origin[1] = origin[2] = 0;
islight = false;
while (1)
{
- if (!COM_ParseToken(&data, false))
+ if (!COM_ParseTokenConsole(&data))
break; // error
if (com_token[0] == '}')
break; // end of entity
if (com_token[0] == '_')
- strcpy(key, com_token + 1);
+ strlcpy(key, com_token + 1, sizeof(key));
else
- strcpy(key, com_token);
+ strlcpy(key, com_token, sizeof(key));
while (key[strlen(key)-1] == ' ') // remove trailing spaces
key[strlen(key)-1] = 0;
- if (!COM_ParseToken(&data, false))
+ if (!COM_ParseTokenConsole(&data))
break; // error
- strcpy(value, com_token);
+ strlcpy(value, com_token, sizeof(value));
// now that we have the key pair worked out...
if (!strcmp("light", key))
vec3_t dest, endpos;
trace_t trace;
VectorMA(r_view.origin, r_editlights_cursordistance.value, r_view.forward, dest);
- trace = CL_TraceBox(r_view.origin, vec3_origin, vec3_origin, dest, true, NULL, SUPERCONTENTS_SOLID, false);
+ trace = CL_Move(r_view.origin, vec3_origin, vec3_origin, dest, MOVE_NOMONSTERS, NULL, SUPERCONTENTS_SOLID, true, false, NULL, false);
if (trace.fraction < 1)
{
dist = trace.fraction * r_editlights_cursordistance.value;
return;
}
if (Cmd_Argc() == 3)
- strcpy(cubemapname, Cmd_Argv(2));
+ strlcpy(cubemapname, Cmd_Argv(2), sizeof(cubemapname));
else
cubemapname[0] = 0;
}
r_shadow_bufferlight.radius = r_shadow_selectedlight->radius;
r_shadow_bufferlight.style = r_shadow_selectedlight->style;
if (r_shadow_selectedlight->cubemapname)
- strcpy(r_shadow_bufferlight.cubemapname, r_shadow_selectedlight->cubemapname);
+ strlcpy(r_shadow_bufferlight.cubemapname, r_shadow_selectedlight->cubemapname, sizeof(r_shadow_bufferlight.cubemapname));
else
r_shadow_bufferlight.cubemapname[0] = 0;
r_shadow_bufferlight.shadow = r_shadow_selectedlight->shadow;
projects / xonotic / darkplaces.git / blobdiff