[Differential] [Request, 5 lines] D1208: [server] Add a workaround for a freeze in QtWayland

[graesslin (Martin Gräßlin)]

graesslin created this revision.
graesslin added a reviewer: Plasma.
Herald added a project: Plasma.
Herald added a subscriber: plasma-devel.

REVISION SUMMARY
  See: https://bugreports.qt.io/browse/QTBUG-52092
  
  Freeze happens if a sub-surface is rendered to before the main surface
  is rendered. The compositor has no chance to know that this is a window
  which needs to be rendered, thus the application might freeze without
  ever becoming visible.
  
  Famous example applications being affected: all kcms with a nested
  QQuickView. E.g.: kcmshell5 kwineffects

REPOSITORY
  rKWAYLAND KWayland

BRANCH
  workaround-qt-freeze

REVISION DETAIL
  https://phabricator.kde.org/D1208

AFFECTED FILES
  src/server/surface_interface.cpp

EMAIL PREFERENCES
  https://phabricator.kde.org/settings/panel/emailpreferences/

To: graesslin, Plasma
Cc: plasma-devel
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