- refactor(hair): enhance hair specular visual, change default hair settings and feature info by @jiayev
- let transmission control both factor, rewrite marschner(not working) by @jiayev
- fix some new warnings by @jiayev
- add pow checks by @jiayev
- fix more hlsl warnings by @jiayev
- fix gradient warning by @jiayev
- prevent overbright transmission by @jiayev
- fix: matching variable names between hlsl and cpp by @jiayev