- m.numtriangles = mesh->numtriangles;
- m.numverts = mesh->numverts;
- m.index = mesh->index;
- m.texcoords[0] = &mesh->vertex->uv[0];
- if (fogenabled)
- {
- m.color = &svert[0].c[0];
- m.colorstep = sizeof(surfvert_t);
- if (softwaretransform_complexity)
- {
- m.vertex = &svert[0].v[0];
- m.vertexstep = sizeof(surfvert_t);
- for (i = 0, sv = svert, v = mesh->vertex;i < m.numverts;i++, sv++, v++)
- {
- softwaretransform(v->v, sv->v);
- VectorSubtract(sv->v, r_origin, diff);
- ifog = 1 - exp(fogdensity/DotProduct(diff, diff));
- sv->c[0] = m.cr * ifog;
- sv->c[1] = m.cg * ifog;
- sv->c[2] = m.cb * ifog;
- sv->c[3] = m.ca;
- }
- }
- else
- {
- m.vertex = &mesh->vertex->v[0];
- m.vertexstep = sizeof(surfvertex_t);
- for (i = 0, sv = svert, v = mesh->vertex;i < m.numverts;i++, sv++, v++)
- {
- VectorSubtract(v->v, r_origin, diff);
- ifog = 1 - exp(fogdensity/DotProduct(diff, diff));
- sv->c[0] = m.cr * ifog;
- sv->c[1] = m.cg * ifog;
- sv->c[2] = m.cb * ifog;
- sv->c[3] = m.ca;
- }
- }
- }
- else
+ qglColorMask(0,0,0,0);
+ // just to make sure that braindead drivers don't draw anything
+ // despite that colormask...
+ m.blendfunc1 = GL_ZERO;
+ m.blendfunc2 = GL_ONE;
+ }
+ else
+ {
+ // fog sky
+ m.blendfunc1 = GL_ONE;
+ m.blendfunc2 = GL_ZERO;
+ }
+ m.depthwrite = true;
+ R_Mesh_State(&m);
+ for (surf = firstsurf;surf;surf = surf->texturechain)
+ {
+ if (surf->visframe == r_framecount)