The ray tracing works, but the path tracing produces a lot of noise.
The current implementation for path tracing in the High Definition Render Pipeline (HDRP) accumulates paths for every pixel up to a maximum count unless the Camera moves. If the Camera moves, HDRP restarts the path accumulation. Path tracing supports Lit, LayeredLit, and Unlit materials, and area, point, directional, and environment lights.
It looks like it would probably need to run for several frames before we capture each image, in order to reduce the amount of noise.
Which platform is your feature request for?
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Description
The ray tracing works, but the path tracing produces a lot of noise.
The current implementation for path tracing in the High Definition Render Pipeline (HDRP) accumulates paths for every pixel up to a maximum count unless the Camera moves. If the Camera moves, HDRP restarts the path accumulation. Path tracing supports Lit, LayeredLit, and Unlit materials, and area, point, directional, and environment lights.
It looks like it would probably need to run for several frames before we capture each image, in order to reduce the amount of noise.
Unity documentation: https://docs.unity3d.com/Packages/com.unity.render-pipelines.high-definition@12.0/manual/Ray-Tracing-Path-Tracing.html