https://bugs.kde.org/show_bug.cgi?id=468122
Bug ID: 468122
Summary: Kwin repaints complete screen, even if only a part is
changed
Classification: Plasma
Product: kwin
Version: git-stable-Plasma/5.27
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: compositing
Assignee: kwin-bugs-n...@kde.org
Reporter: cf...@kde.org
Target Milestone: ---
I remember that I could use the "Show Paint" effect to verify that my
applications only update regions that actually changed.
Trying the "Show Paint" effect today, I see that the complete screen is
flashing, even on small changes.
Steps to reproduce:
- enable Show Paint effect, set a shortcut to activate it, and activate it
- type into Konsole
Actual result:
- complete screen flashes
Expected result:
- only the cursor line in Konsole flashes
System:
KWin from 5.27 stable branch on X11
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