D17565: [libkwineffects] Don't mark a painted window as transformed twice

zzag created this revision.
zzag added a reviewer: KWin.
Herald added a project: KWin.
Herald added a subscriber: kwin.
zzag requested review of this revision.

REVISION SUMMARY
  WindowPrePaintData::setTransformed sets PAINT_WINDOW_TRANSFORMED,
  so `data.mask |= PAINT_WINDOW_TRANSFORMED;` is redundant.

TEST PLAN
  Minimized a window, haven't noticed visual glitches.

REPOSITORY
  R108 KWin

BRANCH
  dont-set-paint-window-transformed-again

REVISION DETAIL
  https://phabricator.kde.org/D17565

AFFECTED FILES
  libkwineffects/kwinanimationeffect.cpp

To: zzag, #kwin
Cc: kwin, GB_2, mkulinski, ragreen, jackyalcine, Pitel, iodelay, bwowk, ZrenBot, lesliezhai, ali-mohamed, hardening, jensreuterberg, abetts, sebas, apol, mart