Popular Real-Time Global Illumination (GI) Engines

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With the advent of RT cores in the latest GPU architectures, the real-time rendering is shifting towards the physically-accurate light simulation. Accordingly, other than random git repositories, we can see more and more leading industries are publishing their real-time GI rendering frameworks for the community. In this post, I would look over some of the available choices and try to make a comparison over them.

Some Popular Real-Time GI Rendering Engines (todo: cross-ref)

  1. RTX Character Rendering (RTXCR): real-time path tracing
  2. Zorah: real-time neural rendering