https://bugs.kde.org/show_bug.cgi?id=401797
Bug ID: 401797
Summary: KWin/Wayland capping framerate to 60 fps in XWayland
in borderless fullscreen (Wine)
Product: kwin
Version: 5.14.3
Platform: Debian testing
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: shtetl...@gmail.com
Target Milestone: ---
When using KWin/Xorg, I get unlimited framerate in Wine, even though my monitor
has 60 Hz refresh rate.
However KWin/Wayland is capping framerate to 60 fps in XWayland (Wine relies on
X still). I noticed it with games run in fullscreen borderless mode (not true
fulscreen).
According to this XWayland bug report:
https://bugs.freedesktop.org/show_bug.cgi?id=103282
only true fullscreen would work with XWayland without capping by default, and
in other cases compositors need to support it.
Is there some way to make KWin/Wayland run Wine in XWayland with unlimited
framerate when using borderless fullscreen? Vsync (in game settings) was
disabled in my tests.
Configuration:
* OS: Debian testing with kernel 4.19.5
* XWayland: 1.20.3
* Plasma / KWin: 5.14.3
* GPU: Sapphire Pulse Radeon Vega 56
* Graphics: OpenGL/Vulkan: Mesa master (for Wine and games), Mesa 18.3.0-rc5
(for the desktop).
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