[Bug 101229] Global screen tearing (scrolling, Hz miss-match?)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=101229

--- Comment #17 from Paul <Paul.Hancock.17041993 at live.com> ---

> https://vid.me/n0t1r

Ok, that 'tearing' is in fact much different to what I've been seeing, in your
case it looks a lot more like *corruption* as entire chunks of buffer are being
rendered in random offset positions. I dont really know exactly what might
cause this, but I do know that running applications in fullscreen at a
different resolution to native can result in various buffer corruption...

(In reply to Michel Dänzer from comment #12)
> (In reply to Paul from comment #11)
> > Use the system and run OpenGL applications,
> 
> Fullscreen or windowed? Does enabling any sync-to-vblank functionality in
> the apps or setting the environment variable vblank_mode=3 for running them
> help?

Windowed, I rarely run things in fullscreen, of which it's usually borderless
windowed anyway. I don't remember if setting the vblank mode actually worked
though...

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