[Bug 105316] vsync in Vulkan applications doesn't work correctly with both radv and amdvlk

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri Mar 2 09:43:32 UTC 2018


--- Comment #3 from Michel Dänzer <michel at daenzer.net> ---
(In reply to tempel.julian from comment #2)
> RadeonSI does work correctly with vsync, there is no tearing in any window

That's only possible with a compositor which can prevent tearing, or simply due
to luck (e.g. because the window doesn't cover the range of the monitor
affected by tearing).

> And amdvlk is also affected in fullscreen.

That's because AMDVLK explicitly prevents page flipping. The only solution
there is compositing (make sure the compositing manager doesn't unredirect the
AMDVLK fullscreen windows) or TearFree.

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