https://bugs.kde.org/show_bug.cgi?id=477438
Bug ID: 477438
Summary: Apps using wp_fractional_scale_manager_v1 look blurry
Classification: Plasma
Product: kwin
Version: 5.27.9
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
SUMMARY
I've been trying the experimental wp_fractional_scale_manager_v1 support to see
if things looked sharper, and was surprised to see it perform much worse than
downscaling. Apps using this protocol look blurry, and in the case of Firefox,
some UI elements even break.
STEPS TO REPRODUCE
1. Apply 150% of scaling (I'm using a 32" 4K monitor).
2. Run GNOME Clocks 45.0 with GTK 4.12.4 and the env `GDK_DEBUG=gl-fractional`.
3. Notice the blurriness of the entire app.
Using the same scaling:
1. Run Firefox 119.0.1.
2. Set the about:config flag `widget.wayland.fractional-scale.enabled` to true.
3. Restart Firefox.
4. Observe the blurriness and broken menus.
OBSERVED RESULT
Things blurry and broken. :(
EXPECTED RESULT
Thinks ultra crisp and sharp. :)
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Parabola
(available in About System)
KDE Plasma Version: 5.27.8
KDE Frameworks Version: 5.112.0
Qt Version: 5.15.11
ADDITIONAL INFORMATION
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