Developer manages to run ray tracing without a GPU, achieves 1 fps on Quake II RTX

Developer Konstantin Seurer has been hacking away at the open-source Mesa graphics library, adding support for Vulkan ray tracing right into the CPU code. By enabling the VK_KHR_ray_query functionality, Seurer made ray tracing possible without a GPU at all. Just to prove it works, he fired up the Quake II...

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