+static void R_View_WorldVisibility_CullSurfaces(void)
+{
+ int surfaceindex;
+ int surfaceindexstart;
+ int surfaceindexend;
+ unsigned char *surfacevisible;
+ msurface_t *surfaces;
+ dp_model_t *model = r_refdef.scene.worldmodel;
+ if (!model)
+ return;
+ if (r_trippy.integer)
+ return;
+ if (r_usesurfaceculling.integer < 1)
+ return;
+ surfaceindexstart = model->firstmodelsurface;
+ surfaceindexend = surfaceindexstart + model->nummodelsurfaces;
+ surfaces = model->data_surfaces;
+ surfacevisible = r_refdef.viewcache.world_surfacevisible;
+ for (surfaceindex = surfaceindexstart;surfaceindex < surfaceindexend;surfaceindex++)
+ if (surfacevisible[surfaceindex] && R_CullBox(surfaces[surfaceindex].mins, surfaces[surfaceindex].maxs))
+ surfacevisible[surfaceindex] = 0;
+}
+