Luoshuang's GPULightmass

[Muchasty]

@Bushey

Fantastic job on this I’ve just installed it and am taking a look at the GPU baker in a simple test scene with a Skylight and a directional light in 4.22

I’m getting some noise from the skylight that I can’t remove completely by cranking up the Lightmass, lightmap resolution and setting the lightbake quality to Production. Are there any settings that can be changed for the GPU baker as well? Or is this a by product of the GPU rendering? No grain/splotchiness when used with directional lights. See attached pics for more info.

Many thanks,

Paul

Change in …Epic Games\UE_4.22\Engine\Config*BaseLigthmass.ini* to this:
[DevOptions.GPULightmass]
NumPrimaryGISamples=128
NumSecondaryGISamples=64

It will increase the bake time but effects will be very good.( good balance quality/time )

NOTICE: Avoid to use point lights near to very reflective (metallic) distorted surfaces (like for example GU10 bubble full-of-squares reflector type ) otherwise you will see tremendous number of strange white splotches on the walls. Probably increasing those Num parameters to insane values (i.e. 1024/512) could solve that problem but the bake time will be too…ooo long an results can be uncertain.