https://bugs.kde.org/show_bug.cgi?id=431826
Bug ID: 431826
Summary: XWayland windows only get rendered on window resize
Product: kwin
Version: git master
Platform: openSUSE RPMs
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: bizy...@zoho.com
Target Milestone: ---
SUMMARY
In the Plasma Wayland session from master (built with kdesrc-build), XWayland
windows do not show any contents after launch (or do not repaint later) unless
they are being resized.
STEPS TO REPRODUCE
1. Log in to the development Plasma Wayland session
2. Launch a GTK app with GDK_BACKEND=x11 / a Qt app with QT_QPA_PLATFORM=xcb
OBSERVED RESULT
The app will first be drawn as an empty window frame, and then will only get
repainted when resized with mouse or keyboard.
SOFTWARE/OS VERSIONS
Operating System: openSUSE Leap 15.2
KDE Plasma Version: 5.20.5
KDE Frameworks Version: 5.78.0
Qt Version: 5.15.2
Kernel Version: 5.10.2-1.g572ce1d-default
Graphics Processor: Mesa DRI Intel® UHD Graphics
ADDITIONAL INFORMATION
There are no problems of this sort with Plasma 5.20.x from openSUSE.
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