PBR - Bradleyp123/Kiwi-Source-OOT- GitHub Wiki
KiwiSource uses thexa4's PBR Shader. I don't currently understand the inner workings of his shader, for information on the shader visit
https://developer.valvesoftware.com/wiki/Adding_PBR_to_Your_Mod And https://github.com/thexa4/source-pbr
(Not currently working, Shaders are WIP)