Screenshots

Dependencies

## Install Lunarg-SDK and set up enviroment variables
## Arch Linux setup
sudo pacman -S cmake gcc unzip sparsehash glfw glslang gtest boost

Build

mkdir build
cd build
cmake ../
cmake --build . --target all

Features

• PBR rasterization framework
  • Mipmap generation
  • GLTF import
    • Assimp/TinyGLTF
  • IBL
    • Irradiance integration
    • Specular integrationBRDF
• PBR pathtracing framework
  • Importance sampling
  • Multithreaded execution via Marl
• PBR
  • Simple single scattering Cook-Torrance+Lambert BRDF
• Vulkan framework skeleton
  • Simple mid level api
  • Single threaded single command buffer submission
• Asset pipeline
  • Shader reload with inotify/dir_update
• Gizmos
  • Translation
• ISPC/Naive path tracing
• Shader preprocessing/reflection
  • Auto infer input layout
  • Generate data structures with paddings

TODO

• PBR rasterization framework
  • Lightprobes
  • AO, SSR
  • Light sources
    • Point/Quad/Sphere/Directed/tube light via LTC
• PBR pathtracing framework
  • Fix multithreading issues
    • Solve simultaneous writes to the frame buffer
  • SAH BVH
  • Light sources
    • Point/Quad/Sphere/Directed/tube light
• PBR
  • Multiple scattering Cook-Torrance BRDF
  • Transparent objects/participating media
  • Emittance materials
• Asset pipeline
  • Shader reload with inotify/dir_update
    • Increase granularity
    • Don't crash if compilation fails
• Vulkan framework skeleton
  • Multi-threaded multi-command buffer submission
• Gizmos
  • Rotation
• Sculpting
  • Sparse surface splats

References

Lighting of Halo 3

MJP: SG Series

Frostbite precomputed GI

Tatarchuk: Irradiance volumes

Learn OpenGL: Specular IBL

Real Shading in Unreal Engine 4

Image Based Lighting with Multiple Scattering

A Multiple-Scattering Microfacet Model forReal-Time Image-based Lighting

SIGGRAPH 2013 Course: Physically Based Shading in Theory and Practice

SIGGRAPH 2017 Course: Physically Based Shading in Theory and Practice

Real-Time Polygonal-Light Shading with Linearly Transformed Cosines

Real-Time Polygonal-Light Shading with Linearly Transformed Cosines Blog post

Vulkan Synchronization Primer - Part I

Vulkan Synchronization Primer - Part II

GPU Zen 2: Advanced Rendering Techniques

Patapom: Importance sampling

Veach: Multiple importance sampling

Past, Present and Future Challenges of Global Illumination in Games

Ready at dawn: the order 1886

Stochastic Screen-Space Reflections

Assets

Models downloaded from Sketchfab

https://sketchfab.com/3d-models/aladren-male-bust-3e42f8636e9f44a9a943ae480015a85f

https://sketchfab.com/3d-models/arc-pulse-core-22e55de3be0c46caad827774109572f5

https://sketchfab.com/3d-models/dieselpunk-hovercraft-43fcdb424fe749ae8a576e9b29983d8a

https://sketchfab.com/3d-models/demon-in-thought-3d-print-c7f4522818a84a559472b8db2268fc4a

https://sketchfab.com/3d-models/one-angery-dragon-boi-e590e148d35e4e589c6aca7d5e87ab9e

https://sketchfab.com/3d-models/vintage-record-player-6f3b6984c2f74d64b08833b5f61c2253

Other sources

Models downloaded from Morgan McGuire's Computer Graphics Archive

Models downloaded from free3d

Cubemaps downloaded from hdrihaven

Models downloaded from glTF-Sample-Models