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| author | Brecht Van Lommel <brechtvanlommel@gmail.com> | 2018-03-10 18:09:22 +0300 |
|---|---|---|
| committer | Brecht Van Lommel <brechtvanlommel@gmail.com> | 2018-03-10 20:05:01 +0300 |
| commit | 7613ffc944ebc133f1f906ea737ab55718434cc4 (patch) | |
| tree | e2c54a4b971fe955f4c7538db1fc086a997b8702 /source/blender/gpu | |
| parent | 8a76f8dac3475b1d24956e0d384d65295f15c76a (diff) | |
Cycles: switch to squared roughness convention for all nodes.
This was already done for the Principled BSDF to be compatible with typical
baked roughness maps in PBR workflows.
Diffstat (limited to 'source/blender/gpu')
| -rw-r--r-- | source/blender/gpu/shaders/gpu_shader_material.glsl | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/source/blender/gpu/shaders/gpu_shader_material.glsl b/source/blender/gpu/shaders/gpu_shader_material.glsl index 1f5ffbdcc7e..a0ca719e207 100644 --- a/source/blender/gpu/shaders/gpu_shader_material.glsl +++ b/source/blender/gpu/shaders/gpu_shader_material.glsl @@ -2599,7 +2599,8 @@ void node_bsdf_glossy(vec4 color, float roughness, vec3 N, out vec4 result) vec3 light_specular = gl_LightSource[i].specular.rgb; /* we mix in some diffuse so low roughness still shows up */ - float bsdf = 0.5 * pow(max(dot(N, H), 0.0), 1.0 / roughness); + float r2 = roughness * roughness; + float bsdf = 0.5 * pow(max(dot(N, H), 0.0), 1.0 / r2); bsdf += 0.5 * max(dot(N, light_position), 0.0); L += light_specular * bsdf; } |