D19012: [qpa] Drop PlatformContextWayland which uses wayland egl for OpenGL

davidedmundson added a comment.


  > or we have the QPainter compositor which also turns QtQuick to use software renderer.
  
  Unfortunately that's not true if we still want to switch at runtime.
  QQuickWindow::setSceneGraphBackend is only followed if set before the first QQuickWindow is created.

REPOSITORY
  R108 KWin

REVISION DETAIL
  https://phabricator.kde.org/D19012

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