Shaders are compiled with glslang library. The compiler interface is described in ShaderCompiler.h
The graphic part is developped by Antoine MORRIER (qnope) Voxelization (Voxelization, Voxel Cone Tracing) algorithms are inspired from VXGI presentations, Friduric Voxel Cone Tracing implementation, Compix Voxel Cone Tracing GI and Nvidia GPU Gems Volume Rendering
Sponza PBR is from Alexandre Pestana blog
The physic part is developped by Guillaume CHABBERT (Meneran).