extern cvar_t r_sky;
extern cvar_t r_skyscroll1;
extern cvar_t r_skyscroll2;
+extern cvar_t r_sky_scissor;
+extern cvar_t r_q3bsp_renderskydepth;
extern int skyrenderlater, skyrendermasked;
+extern int skyscissor;
+extern float skyscissormins[3];
+extern float skyscissormaxs[3];
int R_SetSkyBox(const char *sky);
void R_SkyStartFrame(void);
void R_Sky(void);