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/*
* Copyright (c), Recep Aslantas.
*
* MIT License (MIT), http://opensource.org/licenses/MIT
* Full license can be found in the LICENSE file
*/
#ifndef cglm_color_h
#define cglm_color_h
#include "common.h"
#include "vec3.h"
/*!
* @brief averages the color channels into one value
*
* @param[in] rgb RGB color
*/
CGLM_INLINE
float
glm_luminance(vec3 rgb) {
vec3 l = {0.212671f, 0.715160f, 0.072169f};
return glm_dot(rgb, l);
}
#endif /* cglm_color_h */
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