D14450: [effects/slidingpopups] Don't filter window quads

zzag added a comment.


  In D14450#306815 <https://phabricator.kde.org/D14450#306815>, @davidedmundson wrote:
  
  > My concern with this is on X if you have a panel between two screens and you slide on the right screen, I wouldn't be surprised if this now leaves artifacts on the left screen as the second scissor test is relative to the whole desktop not the physical screen.
  >
  > (on wayland we render per screen so it doesn't apply)
  >
  > It might not be an issue because paintWindow *also* clips the region to the screen; but that's subtly different to setting the quads.
  >
  > Have a check if my concern makes sense. If not, go for it.
  
  
  `region` is in "global" space. So, I think it would fine. But it's still worth to check your concern. If we have artifacts, then probably I have to resurrect D14412 <https://phabricator.kde.org/D14412>.

REPOSITORY
  R108 KWin

REVISION DETAIL
  https://phabricator.kde.org/D14450

To: zzag, #kwin
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