[Bug 18542] [PATCH] Textured Video (XV) tearing.

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=18542





--- Comment #8 from Lukasz Krotowski <lukasz.krotowski at gmail.com>  2008-11-19 15:12:14 PST ---
(In reply to comment #5)
> (...) Changing between waiting for the rising and
> falling edge of the vline will probably cause different results depending on
> the size of the command buffer and data and the time it takes to finish
> rendering and flush the results out to vram.

In my case waiting for falling edge was no-op. It was clearly visible in Exa:
waiting for FE had no effect but RE slowed Exa rendering greatly. But 
it's certainly good to hear more test results with both scenarios.

(In reply to comment #4)
> Patch heavily reduces tearing here, but does not remove it. There is still a
> triangle tear in top 1/5th of the screen. With a movie exceeding screen refresh
> rate I got a horisontal tear at roughly the same height.

Could you please test just first Alex patch (without changed flag)? In 
your case FE might be better than RE.


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