If you’re in 5.5 or later you should really be using UserSceneTextures for this, it allows you to work with downsampled scenecolor and work with significantly fewer steps which will both massively improve the performance cost.
If you’re in 5.5 or later you should really be using UserSceneTextures for this, it allows you to work with downsampled scenecolor and work with significantly fewer steps which will both massively improve the performance cost.