https://bugs.kde.org/show_bug.cgi?id=375567
Bug ID: 375567
Summary: KWin vsync broken with Vulkan applications
Product: kwin
Version: git master
Platform: openSUSE RPMs
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: tempel.jul...@gmail.com
Target Milestone: ---
When I run a Vulkan game such as vkquake or Talos Principle, tearing occurs
with enabled KWin compositing. This shouldn't happen, since vsync setting of
KWin is set to either always repaint or reuse of image parts.
This does only occur with Vulkan applications, OpenGL games are fine
(applications are not allowed to block compositing).
Doesn't seem to be limited to certain proprietary Nvidia driver versions.
As a workaround, the vsync compositing for such applications can be enabled by
reenabling it via hotkey (turning it off and on again).
I'm on this repo currently (but I think it alo occurs with latest 5.8 stable
version):
http://download.opensuse.org/repositories/KDE:/Unstable:/Frameworks/openSUSE_Factory/
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