Bump map differentials are computed in `svm_node_set_bump()`, other shader nodes should just evaluate at shifted locations. Pull Request: https://projects.blender.org/blender/blender/pulls/133876
Bump map differentials are computed in `svm_node_set_bump()`, other shader nodes should just evaluate at shifted locations. Pull Request: https://projects.blender.org/blender/blender/pulls/133876