ref: 38de7eaca1fa15e005bc0065adc7019dfaedae38
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);