https://bugs.kde.org/show_bug.cgi?id=487386
Bug ID: 487386
Summary: hidpi 1px flickering artifacts of icons above when
scaling set to 175%
Classification: Plasma
Product: kwin
Version: 6.0.4
Platform: Other
OS: Linux
Status: REPORTED
Severity: minor
Priority: NOR
Component: compositing
Assignee: kwin-bugs-n...@kde.org
Reporter: y2j82...@duck.com
Target Milestone: ---
Created attachment 169714
--> https://bugs.kde.org/attachment.cgi?id=169714&action=edit
spectacle recording
SUMMARY
When using kde with an hidpi screen and scalingfactor set to 175% I can see
flickering artifacts of the icons above.
STEPS TO REPRODUCE
1. set scaling factor to 175%
2. log in again, line appears
3. move mouse to see flickering
OBSERVED RESULT
This happens even when watching videos in fullscreen.
The artifacts seem to appear after opening some windows and closing them again.
They disappear when changing the scaling factor but others reappear when
setting it back to 175%.
EXPECTED RESULT
full screen windows should hide artifacts happening to other applications,
which is why i assume there are some mis-calculation within the window-manager
itself.
Or even better artefacts should not appear :)
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: asahi linux fedora40 aarch64 16k
(available in About System)
KDE Plasma Version: 6.0.4
KDE Frameworks Version: 6.0.2
Qt Version: 6.7.0
ADDITIONAL INFORMATION
Keep in mind that this could also be related to experimental graphics drivers
and dri.
sounds similar to #464526
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