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[J-iam-3 <755841@xxxxxxxxxxxxxxxxxx>]

(In reply to comment #76)
> Those are movies, and the test program I'm using that doesn't tear doesn't play
> any movies, it just does raw GL output. mplayer *does* tear in fullscreen, but
> that's because it doesn't actually set the fullscreen bit.

I have no tearing in mplayer in fullscreen if the resolution is 16:9,
but when it's anamorphic or just not exactly 16:9 (1,(7)), there is
tearing in mplayer. So I have no tearing when playing 1280x720 or
1920x1080 video files, but have tearing with 720x406

I've just compiled your code, changed SDL_SetVideoMode(800, 600, 32,
mode); to SDL_SetVideoMode(1366, 768, 32, mode); and can't see any
tearing, but there is tearing in window mode without compositing.

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

Title:
  [sandybridge] Graphics tearing when playing video

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