so that we can tint `F0` separately Ref: #112192 #99447 Mostly affects `IOR < 1`. The overall appearance matches, with some changes in the reflection. Pull Request: https://projects.blender.org/blender/blender/pulls/112390
so that we can tint `F0` separately Ref: #112192 #99447 Mostly affects `IOR < 1`. The overall appearance matches, with some changes in the reflection. Pull Request: https://projects.blender.org/blender/blender/pulls/112390