Loupiote

Interactive Pathtracer written in Rust and based on WebGPU 🦀

This repository is based on the Albedo and more precisely the albedo_rtx crate.

Features

• BVH built using SAH
• glTF loader
• GUI composed of:
  • Load glTF using dialog
  • Save current render

Build

🚧 Albedo Pathtracer is a work-in-progress and might be unstable 🚧

• Download locally the Albedo library
• Update the Cargo.toml file with the path to your local Albedo library:

[dependencies]
albedo_backend = { path = "[PATH_TO_ALBEDO]/crates/albedo_backend", version = "0.0.1" }
albedo_rtx = { path = "[PATH_TO_ALBEDO]/crates/albedo_rtx", version = "0.0.1" }

Usage

Camera

• WASD to fly around
• Left clikc + mouse move to rotate around

Coming Next

• [x] Texture Mapping
• [x] GUI
• [ ] SVGF

Gallery

• Title: Battle Damaged Sci-fi Helmet - PBR
• Author: theblueturtle_
• License: Creative Commons Attribution-NonCommercial

References

• Physically Based Rendering: From Theory To Implementation
• Physically Based Lighting at Pixar
• Real Shading in Unreal Engine 4
• OpenGL-PathTracer
• three-gpu-pathtracer