diff options
| author | Brecht Van Lommel <brechtvanlommel@pandora.be> | 2013-09-30 16:11:27 +0400 |
|---|---|---|
| committer | Brecht Van Lommel <brechtvanlommel@pandora.be> | 2013-09-30 16:11:27 +0400 |
| commit | ae25238f41a949696cd95d1aeecd778ddb7cdce1 (patch) | |
| tree | a5c0e8796f62c9920a5494c30eb3574d2a4aef56 /source/blender/gpu/shaders | |
| parent | 31e6181187926f4dfb1bf3c62605b0e2b5bc237c (diff) | |
Fix #36882: cycles gamma node not working with glsl materials.
Diffstat (limited to 'source/blender/gpu/shaders')
| -rw-r--r-- | source/blender/gpu/shaders/gpu_shader_material.glsl | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/source/blender/gpu/shaders/gpu_shader_material.glsl b/source/blender/gpu/shaders/gpu_shader_material.glsl index bab677da842..633112095a7 100644 --- a/source/blender/gpu/shaders/gpu_shader_material.glsl +++ b/source/blender/gpu/shaders/gpu_shader_material.glsl @@ -2134,6 +2134,20 @@ void node_fresnel(float ior, vec3 N, vec3 I, out float result) result = fresnel_dielectric(I, N, (gl_FrontFacing)? eta: 1.0/eta); } +/* gamma */ + +void node_gamma(vec4 col, float gamma, out vec4 outcol) +{ + outcol = col; + + if(col.r > 0.0) + outcol.r = compatible_pow(col.r, gamma); + if(col.g > 0.0) + outcol.g = compatible_pow(col.g, gamma); + if(col.b > 0.0) + outcol.b = compatible_pow(col.b, gamma); +} + /* geometry */ void node_attribute(vec3 attr_uv, out vec4 outcol, out vec3 outvec, out float outf) |