boblchen / pathtracer

Tile based pathtracer runs in OpenGL

GLSL-PathTracer

A physically based Path Tracer that runs in a GLSL Fragment shader.

This repo modified from the original repo： https://github.com/knightcrawler25/GLSL-PathTracer

Build

Support for Windows、MacOS、Ubuntu and test pass.

git clone https://github.com/BobLChen/PathTracer.git
cd PathTracer
mkdir build
cd build
cmake ..
make

Features

• Unidirectional PathTracing
• RadeonRays for building BVHs (Traversal is performed in a shader)
• Metallic-Roughness Material Model
• Texture Mapping (Albedo, Metallic, Roughness, Normal maps)
• Spherical and Rectangular Area Lights
• IBL with importance sampling
• Progressive + Tiled Rendering (Reduces GPU usage and timeout when depth/scene complexity is high)

TODO

• Support for different texture sizes
• Support for different model format
• Support for different light types
• Support for different material model

Sample Scenes

These assets modified from the origin repo. Link to origin repo:https://github.com/knightcrawler25/GLSL-PathTracer Assets:https://drive.google.com/file/d/1SK9fRyzvpHBNBFb0Gc6nDvDkH7AHVj6H/view?usp=sharing

Screenshots