[Bug 19046] RS690 - XVideo corruption playing fullscreen video at 1920x1080

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=19046





--- Comment #2 from Roland Scheidegger <sroland at tungstengraphics.com>  2008-12-12 09:10:34 PST ---
(In reply to comment #0)
> Created an attachment (id=21094)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=21094) [details]
> xorg.conf Configuration File
> 
> I am running the latest code from git.  Playing any full screen video results
> in approximately the right 1/4 of the screen being filled with junk and a large
> triangle in the bottom right corner.
This doesn't look like junk to me, rather appears like what you'd get if you'd
do clamp_to_edge texturing with the texture coords supposed to be at the
corners somewhere else.

> The video also appears to be squashed into the remaining 3/4 of the screen.
Which fits the previous explanation.

> This is a problem at 1920x1080,
> 1920x1200 and 1600x1200 but NOT at 1360x768, where everything plays fine.
As a guess, I'd blame the big tri rather than quad approach in xv changes to
avoid tearing (though I'm still unsure if that's really needed - it didn't seem
to be for me and apparently Alex but for others). Not sure what's the problem
though, maybe it exceeds some hardware limits somewhere.


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