nDisplay.render.preview.AllowMultiGPURendering
VarUnreal Engine Var console variable.
nDisplayrenderpreviewAllowMultiGPURendering
Description
Allow mGPU for preview rendering (0 == disabled)
Usage
nDisplay.render.preview.AllowMultiGPURendering [value]Set via the console (~) or in DefaultEngine.ini / DefaultGame.ini.

