RTXDI_SampleLightsForSurface include visible light sample check by cast a shadow ray to check occlusion with scene BVH, after the function returns,
WRS reservioir include visibility information, so additional check will be redundant and pay more workload.
RTXDI_SampleLightsForSurface include visible light sample check by cast a shadow ray to check occlusion with scene BVH, after the function returns,
WRS reservioir include visibility information, so additional check will be redundant and pay more workload.