r.VertexFoggingForOpaque
VarUnreal Engine Var console variable.
rVertexFoggingForOpaque
Description
Causes opaque materials to use per-vertex fogging, which costs less and integrates properly with MSAA. Only supported with forward shading.
Usage
r.VertexFoggingForOpaque [value]Set via the console (~) or in DefaultEngine.ini / DefaultGame.ini.

