Post-Effects are filters than can be applied to the images rendered in the viewport of Substance Painter to simulate common camera effects.
The Post-Process effects of Substance Painter are powered by the middleware Yebis. Effects can be enabled individually, but the main post-process system has to be enabled first.
These post effects are not applied to the 2D view for convenience. Only the 3D view show the image result with the effects.
The following pages describes the various post process effects supported by Substance Painter :