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  1. Qt
  2. QTBUG-63899

Some wayland surfaces do not display

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Details

    • Bug
    • Resolution: Fixed
    • P2: Important
    • 6.8
    • 5.9.0, 5.9.1, 5.9.2
    • Wayland Compositor
    • None
    • ubuntu 17.10, Qt 5.9.1, qtwayland from git 5.9 branch.

    Description

      One such application is gstreamer with wayland sink.  To test, run "pure-qml" example and then run:

      gst-launch-1.0 -v videotestsrc | waylandsink

       

      Output: 

      virtual void QWaylandSurfacePrivate::Subsurface::subsurface_set_sync(QtWaylandServer::wl_subsurface::Resource*)

      virtual void QWaylandSurfacePrivate::Subsurface::subsurface_set_desync(QtWaylandServer::wl_subsurface::Resource*)

       

      Output is from unimplemented subsurface_set_sync and desync functions in qwaylandsurface.cpp.  This may be the cause of the bug.

       

      Running weston on xwayland and then launching the same command works.  You can see a gstreamer surface is created with expected video.

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            liaqi Liang Qi
            tripzero Kevron Rees
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            Dates

              Created:
              Updated:
              Resolved:

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