https://bugs.winehq.org/show_bug.cgi?id=52354
--- Comment #12 from Charles Davis cdavis5x@gmail.com --- (In reply to Charles Davis from comment #10)
The default for a layer-backed view is NSViewLayerContentsRedrawDuringViewResize, which is a subset of NSViewLayerContentsRedrawOnSetNeedsDisplay.
Oops, *superset.