https://bugs.kde.org/show_bug.cgi?id=376706
Bug ID: 376706
Summary: Alt-Tab rendering issues on multiscreen setup
Product: kwin
Version: 5.9.2
Platform: Other
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: effects-tabbox
Assignee: kwin-bugs-n...@kde.org
Reporter: ppr...@liwjatan.at
Target Milestone: ---
After the upgrade to 5.9, the alt-tab effects (coverswitch and flipswitch) have
rendering issues in a multiscreen setup.
I have three screens. With only one screen attached all works fine. With two
screens attached, flipswitch works fine. coverswitch is usable, but has
rendering artifacts in the lower right corner (looks like upside down window
content). With three screens both effects result in windows being stretched
across screens, with the coverswitch effect again showing rendering artifacts.
This happens on a Nvidia Quadro NVS-510 (NVE7) and nouveau. Mesa 13.0.4.
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