DirectComputeRayTracing

Unidirectional MC path tracer using D3D12 compute shader.

Features

• Two level BVH acceleration structure
• Point light, directional light, environment light and triangle light
• Image based lighting
• Multiple importance sampling
• Pinhole and thin-lens camera model
• Adjustable bokeh shape
• Physically based exposure
• Physically based BRDFs and BSDFs
• Kulla-Conty multiscattering approximation
• Both megakernel and wavefront implementations
• Loading scene from obj file and partial support of mistuba 3.0 scene format

Screen shots

Build

• Visual Studio 2017 (v141)
• Windows SDK version 10.0.19041.0

References

• pbrt-v3 https://github.com/mmp/pbrt-v3.git
• mitsuba https://github.com/mitsuba-renderer/mitsuba.git
• Falcor https://github.com/NVIDIAGameWorks/Falcor.git
• Revisiting Physically Based Shading at Imageworks
• GPU-Raytracer https://github.com/jan-van-bergen/GPU-Raytracer.git

Credits

This renderer is built with these software:

• tinyobjloader https://github.com/tinyobjloader/tinyobjloader.git
• RapidXML
• MikkTSpace http://www.mikktspace.com/
• imgui https://github.com/ocornut/imgui.git