5e2afb3f6f
The new correction avoids washed out areas near the shadow terminator, preserving more detail from normal and bump maps. It implements the method from the paper "A Microfacet-Based Shadowing Function to Solve the Bump Terminator Problem" by Alejandro Conty Estevez, Pascal Lecocq, and Clifford Stein. Pull Request: https://projects.blender.org/blender/blender/pulls/135380