bool  RenderBloom ();
void  RenderEffectCycle ();
bool  RenderFlat ();
void  RenderFlatToggle ();
float RenderFogDistance ();
bool  RenderFog ();
void  RenderFogToggle ();
void  RenderFogFX (float scalar);
void  RenderFPSToggle ();
void  RenderInit ();
void  RenderLetterboxToggle ();
int   RenderMaxTextureSize ();
void  RenderResize ();
void  RenderTerm ();
void  RenderUpdate ();
bool  RenderWireframe ();
void  RenderWireframeToggle ();
void  RenderHelpToggle ();
void  RenderPrint (int x, int y, int font, GLrgba color, const char *fmt, ...);
void  RenderPrint (int line, const char *fmt, ...);