-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);