ref: d62733faff1367e247d387ca41ae27f3b6674c49
dir: /colormatrix.h/
#define CM(v) ((v)*(1<<12)) extern s16int cm[4*4]; extern cvar_t v_saturation; extern cvar_t v_contrast; extern cvar_t v_brightness; void cmprocess(s16int cm[4*4], void *in, void *out, int n); void cminit(void);