https://bugs.kde.org/show_bug.cgi?id=461208
Bug ID: 461208
Summary: Fractional scaling and Mesa Intel give artefacts on
X11
Classification: Plasma
Product: kwin
Version: unspecified
Platform: Manjaro
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: evgeniyharchenko....@gmail.com
Target Milestone: ---
SUMMARY
There are graphical issues (artefacts?) in some apps when global scale is not
multiple of 100 (e.g. 125%). Buggy apps look better if launched with Nvidia
card. The problem is clearly not with the display. External monitor has the
same problem. There is no problem on Wayland session.
STEPS TO REPRODUCE
1. Set global scale to 125%
2. Open Displays in System Settings
3. Look at resolution, frequency, scale options (value cells).
OBSERVED RESULT
Properly rendered UI elements (dropdown and spin boxes) with smooth lines and
clear characters.
EXPECTED RESULT
Jagged UI elements lines and pixelated characters.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: 5.15.74-3-MANJARO
KDE Plasma Version: 5.25.5
KDE Frameworks Version: 5.98.0
Qt Version: 5.15.6
Graphics platform: X11
ADDITIONAL INFORMATION
Mesa Intel HD Graphics 4600 (HSW GT2) v: 4.6 Mesa 22.1.7
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