A new compute-based dynamic global illumination solution, AMD FidelityFX Brixelizer GI, has been released alongside SDK 1.1 (which also introduced AMD FSR 3.1). AMD FidelityFX Brixelizer GI is based on the Brixelizer library, which generates sparse distance fields for triangle geometry in real time to effectively trace rays in a given scene. Brixelizer works with static and dynamic geometry, providing a shader API to trace rays against the distance field. It outputs cascades of sparse distance fields around a given position, with each cascade divided into 64x64x64 voxels. Once a voxel intersects any geometry, a local distance field is generated […]
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