https://bugs.kde.org/show_bug.cgi?id=401492
Bug ID: 401492
Summary: window titlebar artifacts on hovering (opengl + intel
driver)
Product: kwin
Version: 5.14.4
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: compositing
Assignee: kwin-bugs-n...@kde.org
Reporter: jsar...@gmail.com
Target Milestone: ---
SUMMARY
Artifacts only seem to happen in intel + opengl (not in xrender) and seems to
be related to the blur effect.
Please see the effect here:
https://user-images.githubusercontent.com/45201036/49102131-0863ce00-f289-11e8-8bfb-aa2d79ecfa9a.gif
STEPS TO REPRODUCE
1. Use BreezeEnhanced decoration (https://github.com/tsujan/BreezeEnhanced)
2. Enable Blur in Desktop Effects
3. Hover on buttons as shown in the gif above
SOFTWARE/OS VERSIONS
KDE neon 5.14
Plasma 5.14.4
Qt: 5.11.2
Frameworks: 5.52.0
ADDITIONAL INFORMATION
I think this is a kwin bug because the same button decorations and animations
in plasma (using applet-window-buttons,
https://github.com/psifidotos/applet-window-buttons) do not cause any artifact.
Previous discussion in a BreezeEnhanced issue:
https://github.com/tsujan/BreezeEnhanced/issues/10
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