shithub: qk1

ref: 8070f221ed04c1e5adf9e0c2475c8ddf80ef772e
dir: /colormatrix.h/

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/* cmkind values for optimized special-casing */
enum {
	CmIdent, /* identity (== 1) */
	CmBright, /* only brightness is changed (> 1) */
};

#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;
extern int cmkind;

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