https://bugs.kde.org/show_bug.cgi?id=422254
Bug ID: 422254
Summary: kwin Wayland empty OpenGL/Vulkan windows (regression)
Product: kwin
Version: 5.18.90
Platform: Archlinux Packages
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
After the upgrade from Kwin 5.18.5 to 5.19 Beta OpenGL and Vulkan several
applications show an empty window/frame. I've noticed this when trying some
games that worked perfectly fine on Plasma Wayland before the upgrade. The
issue is visible already when I open glxgears and vkcube, then I get only a
XWayland window without any content. This worked fine in Plasma 5.18 and older!
Upgrading to Mesa-git didn't change anything. When downgrading to Plasma 5.18
all applications work fine again.
If I manually resize the glxgears or vkcube window on Plasma 5.19 beta, the
content is visible afterwards. Some fullscreen games will show a lot of
flickering on screen, manually setting it to window mode and then fullscreen
(ALT-F3) will show the content as well. But these are just some bad
workarounds.
STEPS TO REPRODUCE
1. Start on glxgears and vkcube on Plasma Wayland
OBSERVED RESULT
- Empty window, frame is visible, but no content
EXPECTED RESULT
- Content is visible
Operating System: Arch Linux
KDE Plasma Version: 5.18.90
KDE Frameworks Version: 5.70.0
Qt Version: 5.15.0
Kernel Version: 5.6.15-arch1-1
OS Type: 64-bit
Processors: 24 × AMD Ryzen 9 3900X 12-Core Processor
Memory: 31,4 GiB Arbeitsspeicher
Graphics Processor: AMD Radeon VII
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