[FusionDev] [Bug 781] Inconsistent random colored window decorations and shadows

[bugzilla at bugs.opencompositing.org]

http://bugs.opencompositing.org/show_bug.cgi?id=781


David Reveman <davidr at novell.com> changed:

           What    |Removed                     |Added
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                 CC|                            |davidr at novell.com




--- Comment #37 from David Reveman <davidr at novell.com>  2008-04-17 18:52:35 ---
Does turning off any kind of translucency of the decorations make a difference?

Is this a 64bit machine?

I doubt damage events beating the X server's rendering to the framebuffer is
the cause as even if that is happening there should never be a state where
anything is miss-colored, except for some initial garbage but I find it
unlikely that the garbage would happen to look like some miss-colored
decorations.

Server side convolution filters are used extensively for the shadows and
translucency of decorations. As this seem to be a nvidia driver specific
problem, I suspect that it's the handling of these convolution filters in their
driver that is causing issues. I doubt that nvidia is accelerating these
filters but how their driver interacts with the general software code for these
filters might be the problem.


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