https://bugs.kde.org/show_bug.cgi?id=408964
Bug ID: 408964
Summary: wayland fractinal scaling - very pixelated by default
Product: kwin
Version: git master
Platform: Neon Packages
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: gvarsa...@gmail.com
Target Milestone: ---
Created attachment 121044
--> https://bugs.kde.org/attachment.cgi?id=121044&action=edit
screen shot of the info app - as taken by spectacle at 1.5x scaling
SUMMARY
wayland fractional scaling works for the most part, but produces *very*
pixelated visuals. Interestlingly, the image of any window becomes practically
perfect while moving a window with the "Wobbly Windows" effect on.
STEPS TO REPRODUCE
1. Use a hi-res monitor, set 2x scaling, turn on wobbly windows effect
2. Change scaling to 1.5x (`kscreen-doctor output.1.scale.1.5`), see the
pixelated fonts (no anti-alias? wrong re-sampling algorithm?)
3. Start moving a window around
OBSERVED RESULT
"Wobbly Windows" probably uses a re-sampling algorithm that makes the pixelated
looks go away
EXPECTED RESULT
Fancy looks without having to move the window :)
SOFTWARE/OS VERSIONS
Linux: KDE Neon Dev/Unstable w/ kernel 5.1.6
KDE Plasma Version: 5.16.80
KDE Frameworks Version: 5.60.0
Qt Version: 5.12.3
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