https://bugs.kde.org/show_bug.cgi?id=465891
Hector Martin <mar...@marcan.st> changed:
What |Removed |Added
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CC| |mar...@marcan.st
--- Comment #4 from Hector Martin <mar...@marcan.st> ---
Interestingly, it looks like this one isn't specifically about blur (which got
fixed recently). This happens with blur disabled too, if you kill plasmashell.
Steps to reproduce:
- Set scale to 150% (or anything non integer)
- Open some apps (e.g. konsole, systemsettings)
- killall plasmashell
- (optional) `swaybg -o '*' -i /usr/share/backgrounds/default.png` (or whatever
image) to put up a background (makes the problem more obvious)
- Move the mouse and windows around (force software cursors to make it more
obvious if your driver supports hardware cursors)
You'll see black single pixel trails around the cursor and window edges on the
swaybg wallpaper and some window contents, but not all. E.g. the glitches seem
to appear on most of the Konsole window, but on System Settings only the window
decorations are affected. This happens with the blur effect completely
disabled.
AIUI the blur glitch was about the blurring itself being computed wrong. This
one looks like a different problem, related to dirty rectangle/redraw tracking.
KDE Plasma Version: 5.27.7 (wayland)
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