r.Lumen.ReSTIRGather.Upsample.Method
VarUnreal Engine Var console variable.
rLumenReSTIRGatherUpsampleMethod
Description
Upsample method, when calculating full resolution irradiance from downsampled reservoir radiance
0 - Jittered bilinear sample, when jittered position lies in the same plane, and fallback to unjittered when all samples fail
1 - Spiral sample pattern
2 - Passthrough for debugging. Also effectively disables the bilateral filter as variance is not computed.
Usage
r.Lumen.ReSTIRGather.Upsample.Method [value]Set via the console (~) or in DefaultEngine.ini / DefaultGame.ini.

