ref: 7138ee9632e711d1aad9400ed2c5df0e4bf90c72
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);