extern unsigned int palette_bgra_embeddedpic[256];
// used by hardware gamma functions in vid_* files
-void BuildGammaTable8(float prescale, float gamma, float scale, float base, unsigned char *out, int rampsize);
-void BuildGammaTable16(float prescale, float gamma, float scale, float base, unsigned short *out, int rampsize);
+void BuildGammaTable8(float prescale, float gamma, float scale, float base, float contrastboost, unsigned char *out, int rampsize);
+void BuildGammaTable16(float prescale, float gamma, float scale, float base, float contrastboost, unsigned short *out, int rampsize);
void Palette_Init(void);