GDC 2023 - Two-Level Radiance Caching for Fast and Scalable Real-Time Global Illumination in Games

In this presentation, Guillaume Boisse, Senior Graphics Programmer at AMD, will walk through the practical implementation of a solution aimed at making the most of every sample by caching the estimated radiance into a cache hierarchy used for both sampling and filtering. He will show how this approach allows for highly performant, high-quality, dynamic, and leak-free global illumination without requiring any content pre-processing, thus enabling easy integration into existing real-time rendering pipelines.
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