compiz team mailing list archive

[Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>]

The cause is that replies end up being blocked by the synchronous
pageflip used for the tear free update of the scanout. The solution is
obvious, but just tricky to implement in an efficient manner that also
solves the unnecessary readbacks. If I get it right the extra complexity
should help for normal rendering as well.

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https://bugs.launchpad.net/bugs/755841

Title:
  [sandybridge] Graphics tearing when playing video

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