+static void RSurfShader_Wall_Pass_BaseLightmap(msurface_t *s)
+{
+ int i;
+ float diff[3], ifog;
+ surfvertex_t *v;
+ surfvert_t *sv;
+ rmeshinfo_t m;
+
+ memset(&m, 0, sizeof(m));
+ m.transparent = false;
+ m.blendfunc1 = GL_ZERO;
+ m.blendfunc2 = GL_SRC_COLOR;
+ m.numtriangles = s->mesh.numtriangles;
+ m.numverts = s->mesh.numverts;
+ m.index = s->mesh.index;
+ m.cr = m.cg = m.cb = (float) (1 << v_overbrightbits.integer);
+ m.ca = 1;
+ m.tex[0] = R_GetTexture(s->lightmaptexture);
+ m.texcoords[0] = &s->mesh.vertex->uv[0];
+ m.texcoordstep[0] = sizeof(surfvertex_t);
+ 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 = s->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 = &s->mesh.vertex->v[0];
+ m.vertexstep = sizeof(surfvertex_t);
+ for (i = 0, sv = svert, v = s->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
+ {
+ if (softwaretransform_complexity)
+ {
+ m.vertex = &svert[0].v[0];
+ m.vertexstep = sizeof(surfvert_t);
+ for (i = 0, sv = svert, v = s->mesh.vertex;i < m.numverts;i++, sv++, v++)
+ softwaretransform(v->v, sv->v);
+ }
+ else
+ {
+ m.vertex = &s->mesh.vertex->v[0];
+ m.vertexstep = sizeof(surfvertex_t);
+ }
+ }
+ R_Mesh_Draw(&m);
+}
+
+static void RSurfShader_Wall_Pass_BaseVertex(msurface_t *s)
+{
+ int i, size3;
+ float c[3], base[3], scale, diff[3], ifog;
+ surfvertex_t *v;
+ surfvert_t *sv;
+ rmeshinfo_t m;
+ byte *lm;