Angelo1211/HybridRenderingEngine

Health v2 · maintenance only

Adoption not part of the score

1577 stars · 133 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

HRE is a real-time 3D rendering engine written in C++ with OpenGL that implements hybrid clustered forward/deferred shading with physically based rendering and image-based lighting. It was built as a learning and experimentation framework for modern GPU rendering techniques and is no longer maintained.

Use cases

• learn how clustered forward/deferred shading works
• study a real implementation of physically based rendering in OpenGL
• explore compute shader-based light culling
• see how image-based lighting is implemented in a real-time engine
• use as a reference for building a custom rendering pipeline
• understand the techniques behind DOOM 2016-style clustered shading

When to choose

• you want to study or learn modern real-time rendering techniques from a working codebase
• you need a reference implementation of clustered shading or PBR in OpenGL
• you are a graphics programming student looking for an educational project

When to avoid

• you need a production-ready or actively maintained rendering engine
• you need cross-platform support beyond Windows
• you want a high-level engine with asset pipelines, editors, or tooling
• you need Vulkan, DirectX 12, or modern graphics API features

Facets

application · maturity abandoned

graphics simulation graphics developer-tools tutorials windows cpp cross-platform opengl clustered-shading deferred-shading forward-plus physically-based-rendering image-based-lighting compute-shaders sdl2 learning-project real-time-rendering game-development

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