https://bugs.kde.org/show_bug.cgi?id=477675
Bug ID: 477675
Summary: KWin doesn't correctly clear cursor surface when
switching to a smaller cursor size
Classification: Plasma
Product: kwin
Version: unspecified
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: emi...@crisal.io
CC: n...@kde.org, vlad.zahorod...@kde.org
Target Milestone: ---
SUMMARY
When using a small custom image in Firefox as the cursor, only on KWin on
Wayland, rests of the previous cursor remain on the area not covered by it.
STEPS TO REPRODUCE
1. On Firefox, running on Wayland, go to
https://crisal.io/tmp/svg-cursor-kwin.html, and hover over the website area.
For convenience, since I plan to workaround this bug in Firefox:
```
$ pip install --user mozregression
$ MOZ_ENABLE_WAYLAND=1 mozregression --launch 120 -a
https://crisal.io/tmp/svg-cursor-kwin.html
```
OBSERVED RESULT
Pieces of the old cursor remain.
EXPECTED RESULT
Only the specified cursor surface is used.
SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE Plasma Version: 5.27.9
KDE Frameworks Version: 5.112.0
Qt Version: 5.15.11
Kernel Version: 6.6.2-arch1-1 (64-bit)
Graphics Platform: Wayland
ADDITIONAL INFORMATION
I'd attach a screenshot, but annoyingly, neither OBS nor Spectacle show the
artifacts.
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