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Behaviour.md
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Houdini.md
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Physics.md
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README.md
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Researchs.md
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Unity.md
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OpenGraphic

Graphic Engine & Game Engine open source list๏ผ

Contents

Official

Official

Engine

Engine ย ย  EnginePlugin ย ย  OfflinePathTracing ย ย  RealTimePathTracing ย ย  SoftRenderer ย ย  RenderingDesign

Rendering

GI ย ย  VolumeRendering ย ย  PostProcessing ย ย  Stylize ย ย  Transparency ย ย  VFX ย ย  Standard Format

Emulation

Material ย ย  Environment ย ย  ย ย  Camera

Optimization

Acceleration ย ย  SpatialDataStructures ย ย  RenderPath

Util

Util ย ย  SDF ย ย  Math ย ย  Image&Color ย ย  Noise ย ย  Mesh ย ย  Platform ย ย  UI

Tools

Tools

Tutorial

SDK&Tutorial

Other

Physics ย ย  Animation ย ย  Particle ย ย 

Official

Engine

Engine Plugin

  • Graphics Unity Graphics - Including Scriptable Render Pipeline
  • armory -3D Game Engine for Blender
  • RenderPipeline -PBR and Deferred Rendering for the Panda3D game engine
  • ray-mmd physically-based rendering at mikumikudance

Platform

  • bgfx โญ -Cross-platform, graphics API agnostic, "Bring Your Own Engine/Framework" style rendering library
  • igl Intermediate Graphics Library (IGL) is a cross-platform library that commands the GPU. It provides a single low-level cross-platform interface on top of various graphics APIs (e.g. OpenGL, Metal and Vulkan).
  • The-Forge The Forge Cross-Platform Rendering Framework PC, macOS / iOS, Android, XBOX, PS4
  • DiligentEngine A modern cross-platform low-level 3D graphics library http://diligentgraphics.com/diligent-engine/
  • MethaneKit Modern 3D graphics made simple with C++17 cross-platform framework and rendering abstraction API on top of DirectX 12, Metal & Vulkan
  • LLGL Low Level Graphics Library (LLGL) is a thin abstraction layer for the modern graphics APIs OpenGL, Direct3D, Vulkan, and Metal
  • nvrhi NVIDIA Rendering Hardware Interface
  • herebedragons A basic 3D scene implemented with various engines, frameworks or APIs.
  • glfw A multi-platform library for OpenGL, OpenGL ES, Vulkan, window and input
  • MoltenVK Vulkan graphics and compute API, that runs on Apple's Metal graphics framework
  • dxvk Vulkan-based D3D11 implementation for Linux / Wine
  • angle A conformant OpenGL ES implementation for Windows, Mac, Linux, iOS and Android.
  • Vita3K Experimental PlayStation Vita emulator vita3k.org/
  • vkd3d-proton vkd3d-proton is a fork of VKD3D, which aims to implement the full Direct3D 12 API on top of Vulkan. The project serves as the development effort for Direct3D 12 support in Proton.
  • Tellusim_Core_SDK Cross-platform C++ SDK for graphics, compute, and simulation. Supports GPU-accelerated algorithms, meshes, images, and UI, with bindings for C#, Rust, Swift, and Python. Prebuilt builds and docs available.

Offline Path Tracing

Real-time Path Tracing

  • kajiya Experimental real-time global illumination renderer
  • PLTFalcor Real-time physical light transport (PLT) framework
  • lighthouse2 Lighthouse 2 framework for real-time ray tracing
  • Path-Tracing-SDK Real-time path tracing library and sample
  • Candela Pathtraced Realtime Engine
  • Lumen A Vulkan Raytracing framework for various bidirectional path tracing techniques
  • IDKEngine OpenGL Toy-"Engine" with Wavefront Path Tracer and Rasterizer Pipeline with Voxel Cone Tracing/Global Illumination

Soft Renderer

  • tinyrenderer A brief computer graphics / rendering course
  • foolrenderer A tiny software renderer implemented from scratch without the use of graphics API, used to understand how GPUs work.
  • OpenSWR A High Performance, Highly Scalable Software Rasterizer for OpenGL
  • miaow An open source GPU based off of the AMD Southern Islands ISA.
  • SalviaRenderer SALVIA is the rasterizer based software renderer. The goal of SALVIA is capacity of Direct3D 10+.
  • coco3d Coco3D is a real-time 3D software renderer for Windows PCs and mobile devices
  • swiftshader high-performance CPU-based implementation of the OpenGL ES and Direct3D 9 graphics APIs
  • mesa ๐Ÿ‘ https://www.mesa3d.org
  • renderer A shader-based software renderer written from scratch in C89 https://zauonlok.github.io/renderer/
  • SoftwareRenderer Software rendering engine with PBR. Built from scratch on C++.
  • RetroWarp The GPU is implemented with "pure" software rendering
  • grr Gpu Renderer and Rasterizer - for python
  • virglrenderer VirGL virtual OpenGL renderer
  • AMDVLK AMD Open Source Driver For Vulkan
  • open-gpu-kernel-modules NVIDIA Linux open GPU kernel module source
  • EmberGL A low-level open source graphics library, similar to OpenGL/DirectX/Vulkan, designed for real-time 2D/3D rendering on MCUs and other memory constrained non-GPU systems
  • SoftGLRender Tiny C++ Software Renderer / Rasterizer, and implements OpenGL and Vulkan renderers for comparison
  • raster2mesh This project demonstrates a fun and intriguing approach to rasterize anything towards a mesh, using only GPU pixel shaders and rasterization on OpenGL 4.2.
  • PortableGL An implementation of OpenGL 3.x-ish in clean C

Rendering Design

  • FrameGraph vulkan abstraction layer that represent frame as a task graph
  • DataDrivenRendering Data Driven Rendering repository
  • vuk vuk - A rendergraph-based abstraction for Vulkan
  • fg Rendering abstraction which describes a frame as a directed acyclic graph of render tasks and resources.
  • RenderGraph Render graph management library.
  • FrameGraph Renderer agnostic frame graph library Example
  • LegitEngine A rendergraph-based graphical framework for Vulkan
  • PathFinder An attempt to build a modern renderer using modern graphic APIs. Pillars of the architecture are Bindless Resources and Render Graph.

Geospatial

  • Skybolt C++/Python-based 3D geospatial application for simulating and visualizing dynamic objects in planetary environments
  • cesium An open-source JavaScript library for world-class 3D globes and maps
  • cesium-unreal Bringing the 3D geospatial ecosystem to Unreal Engine

GI

Collection

  • IlluminationComparison A comparison of typical illumination methods. (SSAO, HBO, VXGI, and Ray Traced Global Illumination)
  • dirtchamber A mixed reality testing environment for real-time global illumination algorithms
  • DXR-Sandbox-GI Simple DirectX 12 toy framework for testing Global Illumination: Reflective Shadow Mapping, Light Propagation Volume, Voxel Cone Tracing, DXR

PRT

Irradiance Environment Maps

  • Probulator ๐Ÿ‘ Experimentation framework for probe-based lighting
  • hyper3d-envmapgen Pre-filtered mipmapped radiance environment map generator that runs on WebAssembly.
  • envtools Utilities to manipulate spherical images

Irradiance Probes/Voxels

Radiance Cache

  • RTXGI RTXGI v2.0 Update including Neural Radiance Cache and Spatial Hash Radiance Cache
  • BrixelizerGi FidelityFX Brixelizer GI is a simplified implementation of AMD GI-1.0
  • Capsaicin

SurfelGI

  • SurfelPlus [SIGGRAPH 25 Poster] A realtime global illumination renderer using Surfels as scene cache.
  • SurfelGI Real-Time dynamic global illumination based on surfel. This project is based on GIBS presented at SIGGRAPH 2021.

VPL

Imperfect Shadow Maps

LPV

VCT

  • Nigiri A fully-dynamic voxel-based global illumination system for Unity.
  • SEGI Almost real-time Global Illumination for Unity.
  • Unity-SRP-VXGI Voxel-based Global Illumination using Unity Scriptable Render Pipeline.
  • VCTRenderer Deferred voxel shading for real-time global illumination. https://jose-villegas.github.io/post/deferred_voxel_shading/
  • voxel-cone-tracing A real-time global illumination implementation using voxel cone tracing.
  • VoxelConeTracingGI Global illumination with Voxel Cone Tracing in fully dynamic scenes using a 3D clipmap to support huge areas around the camera while maintaining a low memory footprint.
  • Vulkan-VXGI-VR-FrameWork University of Pennsylvania, CIS 565: GPU Programming and Architecture, Final Project
  • MAGE Game and rendering engine featuring both forward and deferred PBR (physically-based rendering) pipelines with optional indirect illumination using Voxel Cone Tracing.
  • VoxelConeTracing An implementation of the "Voxel Cone Tracing" global illumination technique proposed by Cyril Crassin
  • VCTGI GPU-based real-time global illumination renderer based on voxel cone tracing
  • DXE A voxel cone traced realtime Global Illumination rendering engine in dx12, wip
  • Voxel_Cone_Tracing Voxel-Cone-Tracing easy to understand

SSGI

  • SSRT3 Real-time global illumination using screen-space information for Unity HDRP
  • URP_SSR Screen space reflection for Unity 2022 and Unity6
  • UnitySSGIURP Screen Space Global Illumination for Unity URP (Universal Render Pipeline).
  • SSGI-URP Screen Space Global Illumination for Unity Universal Render Pipeline
  • FSSGI Fast Screen Space Global Illumination
  • mfssgi

Radiance Cascades

Path tracing

  • minpt A path tracer in 300 lines of C++
  • GLSL-PathTracer ๐Ÿ‘ A GLSL Path Tracer
  • path_tracer ๐Ÿ‘ An educational path tracer written in C using Vulkan to supplement a lecture series on path tracing.
  • PSRayTracing A (modern) C++ implementation of the first two books of the Peter Shirley Ray Tracing mini-books
  • rayn A small path tracing renderer written in Rust.
  • TrueTrace-Unity-Pathtracer A passion projects that has been going on for awhile, finally at a place where I feel comfortable tentatively uploading it to Github for others
  • RVPT Realtime Vulkan path tracer from scratch kind of thing
  • simple-bidirectional-pathtracer
  • edubpt
  • Volumetric-Path-Tracer Volumetric path tracer using cuda
  • simple-spectral A Simple Spectral Renderer
  • HIPRT-Path-Tracer Unbiased & physically-based GPU HIPRT (C++/HIP) interactive path tracing renderer

RTX

  • Q2RTX NVIDIAโ€™s implementation of RTX ray-tracing in Quake II zyanidelab/Q2RTX
  • Quartz Physically based Vulkan RTX path tracer with a declarative ES7-like scene description language.
  • DXRPathTracer A (very) simple path tracer implemented using DirectX Ray Tracing (DXR)
  • WispRenderer RTX Ray Tracing Renderer, made by Y3 students at Breda University of Applied Science https://teamwisp.github.io
  • rtx-explore DirectX Raytracing Path Tracer
  • Kaguya This is a hobby project using DirectX 12 and DirectX RayTracing (DXR)
  • RayTracingInVulkan Implementation of Peter Shirley's Ray Tracing In One Weekend book using Vulkan and NVIDIA's RTX extension.
  • PBRVulkan Vulkan Real-time Path Tracer Engine
  • Helios Real-time unidirectional GPU path tracer using the cross-vendor Vulkan ray-tracing extensions.
  • vk_mini_path_tracer A beginner-friendly Vulkan path tracing tutorial in under 300 lines of C++.

ReSTIR

Metropolis Light Transport

PhotonMapping

  • CPMFIGIOTVVD Correlated Photon Mapping for Interactive Global Illumination of Time-Varying Volumetric Data by Daniel Jรถnsson and Anders Ynnerman
  • SOPGI A VEX raytracer for SideFX Houdini with photon mapping global illumination and full recursive reflections and refractions
  • DXR-PhotonMapper An implementation of Photon Mapping using DXR
  • RTProgressivePhotonMapper A Hardware Raytracing based Progressive Photon Mapper using Falcor 5.2

Ambient occlusion

Bent Normal

  • ssbn Screen Space Bent Normals

Radiosity Normal Mapping

  • GzRNM brings Radiosity Normal Mapping/Directional Light Mapping to Unity 3D!
  • SSbumpGenerator A GUI interface to a tool for generating SSBumps (Self Shadowed Bump Maps).

LightMap

  • lightmapper A C/C++ single-file library for drop-in lightmap baking. Just use your existing OpenGL renderer to bounce light!
  • seamoptimizer A C/C++ single-file library that minimizes the hard transition errors of disjoint edges in lightmaps.
  • BakingLab A D3D11 application for experimenting with Spherical Gaussian lightmaps
  • GPULightmass Luoshuang's GPULightmass for UE4
  • trianglepacker Triangle packer for light map
  • HDR_Lightmapper Implements a cycles based lightmapper with denoiser
  • The_Lightmapper Fast and easy baked GI Lightmaps for Blender and Cycles
  • LightmapperToy This project is a hobby lightmapper completely based on Houdini geometry nodes. Basically it grew out of a re-implementation of Matt's The Baking Lab with some modification.

MLGI

  • DeepIllumination Code and examples from our paper "Deep Illumination: Approximating Dynamic Global Illumination with Generative Adversarial Networks," by Manu Mathew Thomas and Angus Forbes

Others

  • LGHDemo Real-Time Rendering with Lighting Grid Hierarchy I3D 2019 Demo
  • PBGI Point Based Global Illumination

GI Simulation

Diffuse inter-reflection

Caustic

  • SC_Tracer photon mapping for global illumination and caustic
  • Crystal-Caustics Approximated crystal caustics effect in Unity.

Reflection

Refraction

Shadow

  • realtimeshadows codes
  • Shadows ๐Ÿ‘ A sample app that demonstrates several techniques for rendering real-time shadow maps
  • UnityPCSS Nvidia's PCSS soft shadow algorithm implemented in Unity
  • ContactShadows Experimental implementation of contact shadows for Unity.