Spatially Hashed Radiance Cache is a technique aimed at improving signal quality and performance in the context of path tracing. The SHARC operates in world space and provides a radiance value at any hit point.
SHARC is distributed as a set of shader-only sources along with integration guide.
For usage of the SHARC library please check the samples in the RTXGI v2.0 SDK.
See the changelog in RTXGI v2.0 SDK for the latest SHARC changes.