ref: 6ec1defca988454ab5f0d4f98ea0a12c9e39a5f3
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 cmsetvblend(float blend[4]); void cmprocess(s16int cm[4*4], void *in, void *out, int n); void cminit(void);