[Bug 79223] extra vsync when reading back pixels in xbmc

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=79223

--- Comment #4 from Pierre Ossman <pierre-bugzilla at ossman.eu> ---
Any appropriate tracing tools for this?


I'm also seeing something else waiting for vsync. With glReadPixels() out of
the picture, and glXSwapIntervalMESA(0), I'm still getting 60 fps and no
tearing. Possibly related?

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