+
+ 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
+ }
+}
+
+void R_Shadow_ShadowMapFromList(int numverts, int numtris, const float *vertex3f, int vertex3f_bufferobject, int vertex3f_bufferoffset, const int *elements, int nummarktris, const int *marktris)
+{
+ int i, tris = nummarktris;
+ int *outelement3i;
+ const int *element;
+ if (!numverts || !nummarktris)
+ return;
+ // make sure shadowelements is big enough for this mesh
+ if (maxshadowtriangles < nummarktris || maxshadowvertices < numverts)
+ R_Shadow_ResizeShadowArrays((numverts + 255) & ~255, (nummarktris + 255) & ~255);
+
+ // gather up the (sparse) triangles into one array
+ outelement3i = shadowelements;
+ for (i = 0;i < nummarktris;i++)
+ {
+ element = elements + marktris[i] * 3;
+ outelement3i[0] = element[0];
+ outelement3i[1] = element[1];
+ outelement3i[2] = element[2];
+ outelement3i += 3;
+ }
+