Principled Chiang hair longitudinal importance sampling correction, according to the new pbrt fix here : https://github.com/mmp/pbrt-v3/pull/256 Pull Request: https://projects.blender.org/blender/blender/pulls/115241
Principled Chiang hair longitudinal importance sampling correction, according to the new pbrt fix here : https://github.com/mmp/pbrt-v3/pull/256 Pull Request: https://projects.blender.org/blender/blender/pulls/115241