changed R_Shadow_RenderLighting to do full base+pants+shirt+gloss rendering in one...
authorhavoc <havoc@d7cf8633-e32d-0410-b094-e92efae38249>
Fri, 15 Apr 2005 08:37:47 +0000 (08:37 +0000)
committerhavoc <havoc@d7cf8633-e32d-0410-b094-e92efae38249>
Fri, 15 Apr 2005 08:37:47 +0000 (08:37 +0000)
git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@5184 d7cf8633-e32d-0410-b094-e92efae38249

gl_models.c
gl_rsurf.c
r_shadow.c
r_shadow.h

index d416dd0..3408ced 100644 (file)
@@ -387,14 +387,7 @@ void R_Model_Alias_DrawLight(entity_render_t *ent, vec3_t relativelightorigin, v
                        Mod_BuildTextureVectorsAndNormals(0, mesh->num_vertices, mesh->num_triangles, vertex3f, mesh->data_texcoord2f, mesh->data_element3i, svector3f, tvector3f, normal3f);
                }
                c_alias_polys += mesh->num_triangles;
-               R_Shadow_RenderLighting(0, mesh->num_vertices, mesh->num_triangles, mesh->data_element3i, vertex3f, svector3f, tvector3f, normal3f, mesh->data_texcoord2f, relativelightorigin, relativeeyeorigin, lightcolorbase, matrix_modeltolight, matrix_modeltoattenuationxyz, matrix_modeltoattenuationz, (ent->colormap >= 0 || !texture->skin.merged) ? texture->skin.base : texture->skin.merged, texture->skin.nmap, texture->skin.gloss, lightcubemap, ambientscale, diffusescale, specularscale);
-               if (ent->colormap >= 0)
-               {
-                       if (texture->skin.pants && VectorLength2(lightcolorpants) >= 0.001)
-                               R_Shadow_RenderLighting(0, mesh->num_vertices, mesh->num_triangles, mesh->data_element3i, vertex3f, svector3f, tvector3f, normal3f, mesh->data_texcoord2f, relativelightorigin, relativeeyeorigin, lightcolorpants, matrix_modeltolight, matrix_modeltoattenuationxyz, matrix_modeltoattenuationz, texture->skin.pants, texture->skin.nmap, NULL, lightcubemap, ambientscale, diffusescale, 0);
-                       if (texture->skin.shirt && VectorLength2(lightcolorshirt) >= 0.001)
-                               R_Shadow_RenderLighting(0, mesh->num_vertices, mesh->num_triangles, mesh->data_element3i, vertex3f, svector3f, tvector3f, normal3f, mesh->data_texcoord2f, relativelightorigin, relativeeyeorigin, lightcolorshirt, matrix_modeltolight, matrix_modeltoattenuationxyz, matrix_modeltoattenuationz, texture->skin.shirt, texture->skin.nmap, NULL, lightcubemap, ambientscale, diffusescale, 0);
-               }
+               R_Shadow_RenderLighting(0, mesh->num_vertices, mesh->num_triangles, mesh->data_element3i, vertex3f, svector3f, tvector3f, normal3f, mesh->data_texcoord2f, relativelightorigin, relativeeyeorigin, lightcolorbase, lightcolorpants, lightcolorshirt, matrix_modeltolight, matrix_modeltoattenuationxyz, matrix_modeltoattenuationz, (ent->colormap >= 0 || !texture->skin.merged) ? texture->skin.base : texture->skin.merged, ent->colormap >= 0 ? texture->skin.pants : 0, ent->colormap >= 0 ? texture->skin.shirt : 0, texture->skin.nmap, texture->skin.gloss, lightcubemap, ambientscale, diffusescale, specularscale);
        }
 }
 
index fc920e1..3a46cbf 100644 (file)
@@ -1889,7 +1889,7 @@ void R_Q1BSP_DrawLight(entity_render_t *ent, vec3_t relativelightorigin, vec3_t
                                {
                                        if (surface->texture->textureflags & Q3TEXTUREFLAG_TWOSIDED)
                                                qglDisable(GL_CULL_FACE);
-                                       R_Shadow_RenderLighting(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, (surface->groupmesh->data_element3i + 3 * surface->num_firsttriangle), surface->groupmesh->data_vertex3f, surface->groupmesh->data_svector3f, surface->groupmesh->data_tvector3f, surface->groupmesh->data_normal3f, surface->groupmesh->data_texcoordtexture2f, relativelightorigin, relativeeyeorigin, lightcolor, matrix_modeltolight, matrix_modeltoattenuationxyz, matrix_modeltoattenuationz, t->skin.base, t->skin.nmap, t->skin.gloss, lightcubemap, ambientscale, diffusescale, specularscale);
+                                       R_Shadow_RenderLighting(surface->num_firstvertex, surface->num_vertices, surface->num_triangles, (surface->groupmesh->data_element3i + 3 * surface->num_firsttriangle), surface->groupmesh->data_vertex3f, surface->groupmesh->data_svector3f, surface->groupmesh->data_tvector3f, surface->groupmesh->data_normal3f, surface->groupmesh->data_texcoordtexture2f, relativelightorigin, relativeeyeorigin, lightcolor, NULL, NULL, matrix_modeltolight, matrix_modeltoattenuationxyz, matrix_modeltoattenuationz, t->skin.base, NULL, NULL, t->skin.nmap, t->skin.gloss, lightcubemap, ambientscale, diffusescale, specularscale);
                                        if (surface->texture->textureflags & Q3TEXTUREFLAG_TWOSIDED)
                                                qglEnable(GL_CULL_FACE);
                                }
index 49d0979..ad8d9b2 100644 (file)
@@ -670,9 +670,10 @@ int *R_Shadow_ResizeShadowElements(int numtris)
        return shadowelements;
 }
 
-void R_Shadow_EnlargeClusterBuffer(int numclusters)
+void R_Shadow_EnlargeClusterSurfaceBuffer(int numclusters, int numsurfaces)
 {
        int numclusterpvsbytes = (((numclusters + 7) >> 3) + 255) & ~255;
+       int numsurfacepvsbytes = (((numsurfaces + 7) >> 3) + 255) & ~255;
        if (r_shadow_buffer_numclusterpvsbytes < numclusterpvsbytes)
        {
                if (r_shadow_buffer_clusterpvs)
@@ -683,11 +684,6 @@ void R_Shadow_EnlargeClusterBuffer(int numclusters)
                r_shadow_buffer_clusterpvs = Mem_Alloc(r_shadow_mempool, r_shadow_buffer_numclusterpvsbytes);
                r_shadow_buffer_clusterlist = Mem_Alloc(r_shadow_mempool, r_shadow_buffer_numclusterpvsbytes * 8 * sizeof(*r_shadow_buffer_clusterlist));
        }
-}
-
-void R_Shadow_EnlargeSurfaceBuffer(int numsurfaces)
-{
-       int numsurfacepvsbytes = (((numsurfaces + 7) >> 3) + 255) & ~255;
        if (r_shadow_buffer_numsurfacepvsbytes < numsurfacepvsbytes)
        {
                if (r_shadow_buffer_surfacepvs)
@@ -1552,16 +1548,19 @@ static void R_Shadow_GenTexCoords_Specular_NormalCubeMap(float *out3f, int numve
        }
 }
 
-void R_Shadow_RenderLighting(int firstvertex, int numvertices, int numtriangles, const int *elements, const float *vertex3f, const float *svector3f, const float *tvector3f, const float *normal3f, const float *texcoord2f, const float *relativelightorigin, const float *relativeeyeorigin, const float *lightcolor, const matrix4x4_t *matrix_modeltolight, const matrix4x4_t *matrix_modeltoattenuationxyz, const matrix4x4_t *matrix_modeltoattenuationz, rtexture_t *basetexture, rtexture_t *bumptexture, rtexture_t *glosstexture, rtexture_t *lightcubemap, vec_t ambientscale, vec_t diffusescale, vec_t specularscale)
+void R_Shadow_RenderLighting(int firstvertex, int numvertices, int numtriangles, const int *elements, const float *vertex3f, const float *svector3f, const float *tvector3f, const float *normal3f, const float *texcoord2f, const float *relativelightorigin, const float *relativeeyeorigin, const float *lightcolorbase, const float *lightcolorpants, const float *lightcolorshirt, const matrix4x4_t *matrix_modeltolight, const matrix4x4_t *matrix_modeltoattenuationxyz, const matrix4x4_t *matrix_modeltoattenuationz, rtexture_t *basetexture, rtexture_t *pantstexture, rtexture_t *shirttexture, rtexture_t *bumptexture, rtexture_t *glosstexture, rtexture_t *lightcubemap, vec_t ambientscale, vec_t diffusescale, vec_t specularscale)
 {
        int renders;
        float color[3], color2[3], colorscale;
        rmeshstate_t m;
-       // FIXME: support EF_NODEPTHTEST
-       GL_DepthMask(false);
-       GL_DepthTest(true);
        if (!bumptexture)
                bumptexture = r_texture_blanknormalmap;
+       if (!lightcolorbase)
+               lightcolorbase = vec3_origin;
+       if (!lightcolorpants)
+               lightcolorpants = vec3_origin;
+       if (!lightcolorshirt)
+               lightcolorshirt = vec3_origin;
        specularscale *= r_shadow_glossintensity.value;
        if (!glosstexture)
        {
@@ -1580,8 +1579,11 @@ void R_Shadow_RenderLighting(int firstvertex, int numvertices, int numtriangles,
                specularscale = 0;
        if (!lightcubemap)
                lightcubemap = r_shadow_blankwhitecubetexture;
-       if (ambientscale + diffusescale + specularscale < 0.01)
+       if ((ambientscale + diffusescale) * (VectorLength2(lightcolorbase) + VectorLength2(lightcolorpants) + VectorLength2(lightcolorshirt)) + specularscale * VectorLength2(lightcolorbase) <= 0.001)
                return;
+       // FIXME: support EF_NODEPTHTEST
+       GL_DepthMask(false);
+       GL_DepthTest(true);
        if (r_shadow_glsl.integer && r_shadow_program_light[0])
        {
                unsigned int perm, prog;
@@ -1629,7 +1631,7 @@ void R_Shadow_RenderLighting(int firstvertex, int numvertices, int numtriangles,
                        qglUniform1fARB(qglGetUniformLocationARB(prog, "SpecularPower"), 8);CHECKGLERROR
                        qglUniform1fARB(qglGetUniformLocationARB(prog, "SpecularScale"), specularscale);CHECKGLERROR
                }
-               qglUniform3fARB(qglGetUniformLocationARB(prog, "LightColor"), lightcolor[0], lightcolor[1], lightcolor[2]);CHECKGLERROR
+               qglUniform3fARB(qglGetUniformLocationARB(prog, "LightColor"), lightcolorbase[0], lightcolorbase[1], lightcolorbase[2]);CHECKGLERROR
                qglUniform3fARB(qglGetUniformLocationARB(prog, "LightPosition"), relativelightorigin[0], relativelightorigin[1], relativelightorigin[2]);CHECKGLERROR
                if (perm & (SHADERPERMUTATION_SPECULAR | SHADERPERMUTATION_FOG | SHADERPERMUTATION_OFFSETMAPPING))
                {
@@ -1645,6 +1647,23 @@ void R_Shadow_RenderLighting(int firstvertex, int numvertices, int numtriangles,
                R_Mesh_Draw(firstvertex, numvertices, numtriangles, elements);
                c_rt_lightmeshes++;
                c_rt_lighttris += numtriangles;
+               // TODO: add direct pants/shirt rendering
+               if (pantstexture && (ambientscale + diffusescale) * VectorLength2(lightcolorpants) > 0.001)
+               {
+                       R_Mesh_TexBind(1, R_GetTexture(pantstexture));
+                       qglUniform3fARB(qglGetUniformLocationARB(prog, "LightColor"), lightcolorpants[0], lightcolorpants[1], lightcolorpants[2]);CHECKGLERROR
+                       R_Mesh_Draw(firstvertex, numvertices, numtriangles, elements);
+                       c_rt_lightmeshes++;
+                       c_rt_lighttris += numtriangles;
+               }
+               if (shirttexture && (ambientscale + diffusescale) * VectorLength2(lightcolorshirt) > 0.001)
+               {
+                       R_Mesh_TexBind(1, R_GetTexture(shirttexture));
+                       qglUniform3fARB(qglGetUniformLocationARB(prog, "LightColor"), lightcolorshirt[0], lightcolorshirt[1], lightcolorshirt[2]);CHECKGLERROR
+                       R_Mesh_Draw(firstvertex, numvertices, numtriangles, elements);
+                       c_rt_lightmeshes++;
+                       c_rt_lighttris += numtriangles;
+               }
                GL_LockArrays(0, 0);
                qglUseProgramObjectARB(0);
                // HACK HACK HACK: work around for stupid NVIDIA bug that causes GL_OUT_OF_MEMORY and/or software rendering
@@ -1654,6 +1673,11 @@ void R_Shadow_RenderLighting(int firstvertex, int numvertices, int numtriangles,
        }
        else if (gl_dot3arb && gl_texturecubemap && gl_combine.integer && gl_stencil)
        {
+               // TODO: add direct pants/shirt rendering
+               if (pantstexture && (ambientscale + diffusescale) * VectorLength2(lightcolorpants) > 0.001)
+                       R_Shadow_RenderLighting(firstvertex, numvertices, numtriangles, elements, vertex3f, svector3f, tvector3f, normal3f, texcoord2f, relativelightorigin, relativeeyeorigin, lightcolorpants, NULL, NULL, matrix_modeltolight, matrix_modeltoattenuationxyz, matrix_modeltoattenuationz, pantstexture, NULL, NULL, bumptexture, NULL, lightcubemap, ambientscale, diffusescale, specularscale);
+               if (shirttexture && (ambientscale + diffusescale) * VectorLength2(lightcolorshirt) > 0.001)
+                       R_Shadow_RenderLighting(firstvertex, numvertices, numtriangles, elements, vertex3f, svector3f, tvector3f, normal3f, texcoord2f, relativelightorigin, relativeeyeorigin, lightcolorshirt, NULL, NULL, matrix_modeltolight, matrix_modeltoattenuationxyz, matrix_modeltoattenuationz, shirttexture, NULL, NULL, bumptexture, NULL, lightcubemap, ambientscale, diffusescale, specularscale);
                if (!bumptexture)
                        bumptexture = r_texture_blanknormalmap;
                if (!glosstexture)
@@ -1822,7 +1846,7 @@ void R_Shadow_RenderLighting(int firstvertex, int numvertices, int numtriangles,
                        // this final code is shared
                        R_Mesh_State(&m);
                        GL_ColorMask(r_refdef.colormask[0], r_refdef.colormask[1], r_refdef.colormask[2], 0);
-                       VectorScale(lightcolor, colorscale, color2);
+                       VectorScale(lightcolorbase, colorscale, color2);
                        GL_LockArrays(firstvertex, numvertices);
                        for (renders = 0;renders < 64 && (color2[0] > 0 || color2[1] > 0 || color2[2] > 0);renders++, color2[0]--, color2[1]--, color2[2]--)
                        {
@@ -2102,7 +2126,7 @@ void R_Shadow_RenderLighting(int firstvertex, int numvertices, int numtriangles,
                        // this final code is shared
                        R_Mesh_State(&m);
                        GL_ColorMask(r_refdef.colormask[0], r_refdef.colormask[1], r_refdef.colormask[2], 0);
-                       VectorScale(lightcolor, colorscale, color2);
+                       VectorScale(lightcolorbase, colorscale, color2);
                        GL_LockArrays(firstvertex, numvertices);
                        for (renders = 0;renders < 64 && (color2[0] > 0 || color2[1] > 0 || color2[2] > 0);renders++, color2[0]--, color2[1]--, color2[2]--)
                        {
@@ -2331,7 +2355,7 @@ void R_Shadow_RenderLighting(int firstvertex, int numvertices, int numtriangles,
                                }
                                R_Mesh_State(&m);
                                GL_ColorMask(r_refdef.colormask[0], r_refdef.colormask[1], r_refdef.colormask[2], 0);
-                               VectorScale(lightcolor, colorscale, color2);
+                               VectorScale(lightcolorbase, colorscale, color2);
                                GL_LockArrays(firstvertex, numvertices);
                                for (renders = 0;renders < 64 && (color2[0] > 0 || color2[1] > 0 || color2[2] > 0);renders++, color2[0]--, color2[1]--, color2[2]--)
                                {
@@ -2346,10 +2370,15 @@ void R_Shadow_RenderLighting(int firstvertex, int numvertices, int numtriangles,
        }
        else
        {
+               // TODO: add direct pants/shirt rendering
+               if (pantstexture && (ambientscale + diffusescale) * VectorLength2(lightcolorpants) > 0.001)
+                       R_Shadow_RenderLighting(firstvertex, numvertices, numtriangles, elements, vertex3f, svector3f, tvector3f, normal3f, texcoord2f, relativelightorigin, relativeeyeorigin, lightcolorpants, NULL, NULL, matrix_modeltolight, matrix_modeltoattenuationxyz, matrix_modeltoattenuationz, pantstexture, NULL, NULL, bumptexture, NULL, lightcubemap, ambientscale, diffusescale, specularscale);
+               if (shirttexture && (ambientscale + diffusescale) * VectorLength2(lightcolorshirt) > 0.001)
+                       R_Shadow_RenderLighting(firstvertex, numvertices, numtriangles, elements, vertex3f, svector3f, tvector3f, normal3f, texcoord2f, relativelightorigin, relativeeyeorigin, lightcolorshirt, NULL, NULL, matrix_modeltolight, matrix_modeltoattenuationxyz, matrix_modeltoattenuationz, shirttexture, NULL, NULL, bumptexture, NULL, lightcubemap, ambientscale, diffusescale, specularscale);
                if (ambientscale)
                {
                        GL_BlendFunc(GL_ONE, GL_ONE);
-                       VectorScale(lightcolor, ambientscale, color2);
+                       VectorScale(lightcolorbase, ambientscale, color2);
                        memset(&m, 0, sizeof(m));
                        m.pointer_vertex = vertex3f;
                        m.tex[0] = R_GetTexture(basetexture);
@@ -2404,7 +2433,7 @@ void R_Shadow_RenderLighting(int firstvertex, int numvertices, int numtriangles,
                if (diffusescale)
                {
                        GL_BlendFunc(GL_ONE, GL_ONE);
-                       VectorScale(lightcolor, diffusescale, color2);
+                       VectorScale(lightcolorbase, diffusescale, color2);
                        memset(&m, 0, sizeof(m));
                        m.pointer_vertex = vertex3f;
                        m.pointer_color = varray_color4f;
@@ -2529,8 +2558,7 @@ void R_RTLight_Compile(rtlight_t *rtlight)
        {
                // this variable directs the DrawShadowVolume and DrawLight code to capture into the mesh chain instead of rendering
                r_shadow_compilingrtlight = rtlight;
-               R_Shadow_EnlargeClusterBuffer(model->brush.num_pvsclusters);
-               R_Shadow_EnlargeSurfaceBuffer(model->nummodelsurfaces);
+               R_Shadow_EnlargeClusterSurfaceBuffer(model->brush.num_pvsclusters, model->nummodelsurfaces);
                model->GetLightInfo(ent, rtlight->shadoworigin, rtlight->radius, rtlight->cullmins, rtlight->cullmaxs, r_shadow_buffer_clusterlist, r_shadow_buffer_clusterpvs, &numclusters, r_shadow_buffer_surfacelist, r_shadow_buffer_surfacepvs, &numsurfaces);
                rtlight->static_numclusterpvsbytes = (model->brush.num_pvsclusters + 7) >> 3;
                rtlight->static_clusterpvs = Mem_Alloc(r_shadow_mempool, rtlight->static_numclusterpvsbytes);
@@ -2689,8 +2717,7 @@ void R_DrawRTLight(rtlight_t *rtlight, int visiblevolumes)
                if (R_CullBox(cullmins, cullmaxs))
                        return;
                // calculate lit surfaces and clusters
-               R_Shadow_EnlargeClusterBuffer(r_refdef.worldmodel->brush.num_pvsclusters);
-               R_Shadow_EnlargeSurfaceBuffer(r_refdef.worldmodel->nummodelsurfaces);
+               R_Shadow_EnlargeClusterSurfaceBuffer(r_refdef.worldmodel->brush.num_pvsclusters, r_refdef.worldmodel->nummodelsurfaces);
                r_refdef.worldmodel->GetLightInfo(r_refdef.worldentity, rtlight->shadoworigin, rtlight->radius, cullmins, cullmaxs, r_shadow_buffer_clusterlist, r_shadow_buffer_clusterpvs, &numclusters, r_shadow_buffer_surfacelist, r_shadow_buffer_surfacepvs, &numsurfaces);
                clusterlist = r_shadow_buffer_clusterlist;
                clusterpvs = r_shadow_buffer_clusterpvs;
@@ -2804,7 +2831,7 @@ void R_DrawRTLight(rtlight_t *rtlight, int visiblevolumes)
                        {
                                R_Mesh_Matrix(&ent->matrix);
                                for (mesh = rtlight->static_meshchain_light;mesh;mesh = mesh->next)
-                                       R_Shadow_RenderLighting(0, mesh->numverts, mesh->numtriangles, mesh->element3i, mesh->vertex3f, mesh->svector3f, mesh->tvector3f, mesh->normal3f, mesh->texcoord2f, relativelightorigin, relativeeyeorigin, lightcolor2, &matrix_modeltolight, &matrix_modeltoattenuationxyz, &matrix_modeltoattenuationz, mesh->map_diffuse, mesh->map_normal, mesh->map_specular, cubemaptexture, rtlight->ambientscale, rtlight->diffusescale, rtlight->specularscale);
+                                       R_Shadow_RenderLighting(0, mesh->numverts, mesh->numtriangles, mesh->element3i, mesh->vertex3f, mesh->svector3f, mesh->tvector3f, mesh->normal3f, mesh->texcoord2f, relativelightorigin, relativeeyeorigin, lightcolor2, NULL, NULL, &matrix_modeltolight, &matrix_modeltoattenuationxyz, &matrix_modeltoattenuationz, mesh->map_diffuse, NULL, NULL, mesh->map_normal, mesh->map_specular, cubemaptexture, rtlight->ambientscale, rtlight->diffusescale, rtlight->specularscale);
                        }
                        else
                                ent->model->DrawLight(ent, relativelightorigin, relativeeyeorigin, rtlight->radius, lightcolor2, &matrix_modeltolight, &matrix_modeltoattenuationxyz, &matrix_modeltoattenuationz, cubemaptexture, rtlight->ambientscale, rtlight->diffusescale, rtlight->specularscale, numsurfaces, surfacelist);
index 371c060..8688f7e 100644 (file)
@@ -34,7 +34,7 @@ extern mempool_t *r_shadow_mempool;
 void R_Shadow_Init(void);
 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_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_RenderLighting(int firstvertex, int numvertices, int numtriangles, const int *elements, const float *vertex3f, const float *svector3f, const float *tvector3f, const float *normal3f, const float *texcoord2f, const float *relativelightorigin, const float *relativeeyeorigin, const float *lightcolor, const matrix4x4_t *matrix_modeltolight, const matrix4x4_t *matrix_modeltoattenuationxyz, const matrix4x4_t *matrix_modeltoattenuationz, rtexture_t *basetexture, rtexture_t *bumptexture, rtexture_t *glosstexture, rtexture_t *lightcubemap, vec_t ambientscale, vec_t diffusescale, vec_t specularscale);
+void R_Shadow_RenderLighting(int firstvertex, int numvertices, int numtriangles, const int *elements, const float *vertex3f, const float *svector3f, const float *tvector3f, const float *normal3f, const float *texcoord2f, const float *relativelightorigin, const float *relativeeyeorigin, const float *lightcolorbase, const float *lightcolorpants, const float *lightcolorshirt, const matrix4x4_t *matrix_modeltolight, const matrix4x4_t *matrix_modeltoattenuationxyz, const matrix4x4_t *matrix_modeltoattenuationz, rtexture_t *basetexture, rtexture_t *pantstexture, rtexture_t *shirttexture, rtexture_t *bumptexture, rtexture_t *glosstexture, rtexture_t *lightcubemap, vec_t ambientscale, vec_t diffusescale, vec_t specularscale);
 void R_Shadow_ClearStencil(void);
 
 void R_Shadow_RenderVolume(int numvertices, int numtriangles, const float *vertex3f, const int *element3i);