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Eevee: Volumetrics: Do not add anisotropy attribute, average it. 

This makes no sense to add theses. In cycles, each volume node is computed separatly. In eevee only the combined parameters are evaluated and phase should be averaged in this case.
This commit is contained in:
Clément Foucault 2017-07-05 18:31:43 +02:00
parent b5ee6dd9a3
commit 031a4d5e22
1 changed files with 1 additions and 1 deletions
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source/blender/draw/engines/eevee/shaders/bsdf_common_lib.glsl
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@ -46,7 +46,7 @@ Closure closure_add(Closure cl1, Closure cl2)
cl.absorption = cl1.absorption + cl2.absorption;
cl.scatter = cl1.scatter + cl2.scatter;
cl.emission = cl1.emission + cl2.emission;
cl.anisotropy = cl1.anisotropy + cl2.anisotropy;
cl.anisotropy = (cl1.anisotropy + cl2.anisotropy) / 2.0; /* Average phase (no multi lobe) */
return cl;
}