Path Tracer

🌇 Path tracing software that can generate life-like images from GLTF scenes.

Features

• Full support for basic PBR metallic-roughness materials via the GLTF ecosystem.
• HDRI maps support.
• Ability to import multiple cameras and sunlights.
• Full transparency support.
• Easy to use Python script that denoises your renders using Open Image Denoise.
• Fully optimized multithreading.

Gallery

Getting Started

Prerequisites

• Conan Package Manager
• CMake
• LLVM + Clang
• Intel Open Image Denoise

Example

int main() {
	core::renderer renderer;
	renderer.sample_count = 10000;
	renderer.bounce_count = 4;
	renderer.resolution = math::uvec2(1920, 1080);
	renderer.thread_count = 0;
	renderer.transparent_background = true;

	auto hdri = image::image::load("assets/dirt-road.hdr", false);
	renderer.environment = std::make_shared<image::image_texture>(hdri);
	renderer.environment_factor = math::fvec3(3);

	renderer.camera_index = 1;
	renderer.sun_light_index = 0;
	renderer.load_gltf("assets/porsche/porsche.gltf");

	renderer.sun_light->angular_radius = 0.05F;
	renderer.render("renders/porsche.png");

	return 0;
}

Building

conan install -s build_type=Release -if build . --build=missing
cmake -B ./build -S . -DCMAKE_BUILD_TYPE=Release
cmake --build ./build --target PathTracer --config Release

Rendering & Denoising

./build/bin/path-tracer
python ./denoise.py ./renders/porsche.png

About

Authors

• Ray Ferric (rayferric)

License

This project is licensed under the MIT License. See the LICENSE file for details.