diff options
Diffstat (limited to 'intern/cycles/util/util_color.h')
| -rw-r--r-- | intern/cycles/util/util_color.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/intern/cycles/util/util_color.h b/intern/cycles/util/util_color.h index a11a5c7c2a7..8b4a175f498 100644 --- a/intern/cycles/util/util_color.h +++ b/intern/cycles/util/util_color.h @@ -60,6 +60,11 @@ __device float3 color_scene_linear_to_srgb(float3 c) #endif +__device float linear_rgb_to_gray(float3 c) +{ + return c.x*0.2126f + c.y*0.7152f + c.z*0.0722f; +} + CCL_NAMESPACE_END #endif /* __UTIL_COLOR_H__ */ |