r.Lumen.RadianceCache.HardwareRayTracing.TemporaryBufferAllocationDownsampleFactor
r.Lumen.RadianceCache.HardwareRayTracing.TemporaryBufferAllocationDownsampleFactor is a console variable in Unreal Engine 5 (UE5). See what r.Lumen.RadianceCache.HardwareRayTracing.TemporaryBufferAllocationDownsampleFactor does, its values, and how to use this cvar in the Unreal console below.
Category: Renderer · Namespace:
rHelp
Downsample factor on the temporary buffer used by Hardware Ray Tracing Radiance Cache. Higher downsample factors save more transient allocator memory, but may cause overflow and artifacts.
Usage
Unreal console (open with ~)
> r.Lumen.RadianceCache.HardwareRayTracing.TemporaryBufferAllocationDownsampleFactor 1Console variables take a value. Replace 1 with the setting you need. Run it with no value to print the current one.
Related in r
r.Lumen.RadianceCache.DownsampleDistanceFromCameraVarr.Lumen.RadianceCache.ForceFullUpdateVarr.Lumen.RadianceCache.HardwareRayTracingVarr.Lumen.RadianceCache.HardwareRayTracing.IndirectVarr.Lumen.RadianceCache.HardwareRayTracing.PersistentTracingGroupCountVarr.Lumen.RadianceCache.HardwareRayTracing.Retrace.FarFieldVarr.Lumen.RadianceCache.NumFramesToKeepCachedProbesVarr.Lumen.RadianceCache.OverrideCacheOcclusionLightingVarr.Lumen.RadianceCache.ShowBlackRadianceCacheLightingVarr.Lumen.RadianceCache.SortTraceTilesVarr.Lumen.RadianceCache.SpatialFilterMaxRadianceHitAngleVarr.Lumen.RadianceCache.SpatialFilterProbesVar