diff options
Diffstat (limited to 'modules/ray/ray_color.h')
-rw-r--r-- | modules/ray/ray_color.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/modules/ray/ray_color.h b/modules/ray/ray_color.h new file mode 100644 index 0000000..9fe62c1 --- /dev/null +++ b/modules/ray/ray_color.h @@ -0,0 +1,29 @@ +#ifndef _RAY_COLOR_H +#define _RAY_COLOR_H + +#include <stdint.h> + +#include "ray_3f.h" + +typedef ray_3f_t ray_color_t; + +/* convert a vector into a packed, 32-bit rgb pixel value */ +static inline uint32_t ray_color_to_uint32_rgb(ray_color_t color) { + uint32_t pixel; + + /* doing this all per-pixel, ugh. */ + + if (color.x > 1.0f) color.x = 1.0f; + if (color.y > 1.0f) color.y = 1.0f; + if (color.z > 1.0f) color.z = 1.0f; + + pixel = (uint32_t)(color.x * 255.0f); + pixel <<= 8; + pixel |= (uint32_t)(color.y * 255.0f); + pixel <<= 8; + pixel |= (uint32_t)(color.z * 255.0f); + + return pixel; +} + +#endif |