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[4];
int R_SetSkyBox(const char *sky);
void R_SkyStartFrame(void);
void R_Sky(void);
extern cvar_t r_wateralpha;
extern cvar_t r_dynamic;
-void R_Init(void);
void R_UpdateVariables(void); // must call after setting up most of r_refdef, but before calling R_RenderView
void R_RenderView(void); // must set r_refdef and call R_UpdateVariables and CL_UpdateEntityShading first
void R_RenderView_UpdateViewVectors(void); // just updates r_refdef.view.{forward,left,up,origin,right,inverse_matrix}
void R_SkinFrame_PrepareForPurge(void);
void R_SkinFrame_MarkUsed(skinframe_t *skinframe);
+void R_SkinFrame_PurgeSkinFrame(skinframe_t *skinframe);
void R_SkinFrame_Purge(void);
// set last to NULL to start from the beginning
skinframe_t *R_SkinFrame_FindNextByName( skinframe_t *last, const char *name );