https://bugs.kde.org/show_bug.cgi?id=486556
Bug ID: 486556
Summary: No longer possible to disable composition through the
API
Classification: Plasma
Product: kwin
Version: 6.0.4
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: compositing
Assignee: kwin-bugs-n...@kde.org
Reporter: es204904...@gmail.com
Target Milestone: ---
Kwin_X11 used to have three methods for disable composition:
1. By creating a window that had the hint: _NET_WM_BYPASS_COMPOSITOR
2. By running the command: qdbus org.kde.KWin /Compositor suspend
3. From QML, by calling: client.blocksCompositing = true
The two last methods have been removed. This renders one of the most popular
Kwin scripts broken, Autocomposer (https://www.opendesktop.org/p/1502826).
This script is important for people because it allows running games fluently,
more in low end hardware. Without it games perform slower, specially if desktop
effects like "Blur" or "Background Contrast" are in use.
The only way to fix Autocomposer right now is by creating an invisible window
that holds the first hint, which is ugly.
Alternatively the option "allow applications to block compositing" could affect
full-screen applications that don't explicitly set the hint, as Autocomposer
does. This is a more expected behavior.
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