57990ec3fcd34942c76d656d1a217fa29a9c7f2a
Now that there are different Fresnel types and the reflectance can be tinted, it is better to sample based on the actually used Fresnel type, instead of the original Fresnel. This also avoids computing Fresnel multiple times. Pull Request: https://projects.blender.org/blender/blender/pulls/112158
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