extern qboolean r_cache_thrash; // compatability
extern vec3_t modelorg, r_entorigin;
extern entity_t *currententity;
-extern int r_visframecount; // ??? what difs?
extern int r_framecount;
extern mplane_t frustum[4];
extern int c_brush_polys, c_alias_polys, c_light_polys, c_faces, c_nodes, c_leafs, c_models, c_bmodels, c_sprites, c_particles, c_dlights;
//
extern refdef_t r_refdef;
extern mleaf_t *r_viewleaf, *r_oldviewleaf;
-extern texture_t *r_notexture_mip;
extern unsigned short d_lightstylevalue[256]; // 8.8 fraction of base light value
extern qboolean envmap;
extern cvar_t r_fullbright;
extern cvar_t r_wateralpha;
extern cvar_t r_dynamic;
-extern cvar_t r_novis;
extern cvar_t r_waterripple;
extern float r_world_matrix[16];