Originally published at: https://developer.nvidia.com/blog/new-video-rendering-games-with-millions-of-ray-traced-lights/
In this video, NVIDIA’s Chris Wyman provides an overview on reservoir spatiotemporal importance resampling (ReSTIR). This algorithm makes it possible to effectively sample from millions of area lights with just a few rays per pixel and produce results that can be easily denoised. He also explains why now is the right time for game developers…