compiz - Oct 2006 - Problem with shadows and the new NVIDIA drivers

Hi all,

I've been trying out the new NVIDIA drivers and everything seems to be
working
great except that shadows are rendered incorrectly - as solid black (or what
ever the shadow colour happens to be) without the gradient effect. Setting
the opacity level of the shadows makes no difference.

This occurs with Beryl too, but I don't think it's actually a bug in
either
program but something to do with how I built them. If it was a widespread
problem, I'm sure we'd have heard much more about it. I read one report
that someone had seen this a few weeks back when using Redhat's AIGLX with
an ATI card and had fixed it by compiling against a different version of
Mesa. I've tried using the nvidia headers, mesa 6.5.1 and the latest
mesa cvs - all with the same results. (And in all cases I've linked against
the nvidia libraries).

Anyone know what I'm doing wrong?

Thanks,

--phil

Convolution filter support is broken in your X server. It's fixed in Xgl
and latest version of Xorg.

-David

On Mon, 2006-10-02 at 08:11 -0700, Philip Langdale
wrote:
> Hi all,
> 
> I've been trying out the new NVIDIA drivers and everything seems to be
working
> great except that shadows are rendered incorrectly - as solid black (or
what
> ever the shadow colour happens to be) without the gradient effect. Setting
> the opacity level of the shadows makes no difference.
> 
> This occurs with Beryl too, but I don't think it's actually a bug
in either
> program but something to do with how I built them. If it was a widespread
> problem, I'm sure we'd have heard much more about it. I read one
report
> that someone had seen this a few weeks back when using Redhat's AIGLX
with
> an ATI card and had fixed it by compiling against a different version of
> Mesa. I've tried using the nvidia headers, mesa 6.5.1 and the latest
> mesa cvs - all with the same results. (And in all cases I've linked
against
> the nvidia libraries).
> 
> Anyone know what I'm doing wrong?
> 
> Thanks,
> 
> --phil
> _______________________________________________
> compiz mailing list
> compiz@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/compiz

On 10/2/06, Philip Langdale <philipl@overt.org>
wrote:
> Hi all,
>
> I've been trying out the new NVIDIA drivers and everything seems to be
working
> great except that shadows are rendered incorrectly - as solid black (or
what
> ever the shadow colour happens to be) without the gradient effect. Setting
> the opacity level of the shadows makes no difference.
>
> This occurs with Beryl too, but I don't think it's actually a bug
in either
> program but something to do with how I built them. If it was a widespread
> problem, I'm sure we'd have heard much more about it. I read one
report
> that someone had seen this a few weeks back when using Redhat's AIGLX
with
> an ATI card and had fixed it by compiling against a different version of
> Mesa. I've tried using the nvidia headers, mesa 6.5.1 and the latest
> mesa cvs - all with the same results. (And in all cases I've linked
against
> the nvidia libraries).
Aside from the convolution filter bug David mentioned, we (fedora)
also had a bug in a patch to our mesa rpm which resulted in almost the
same artifact on ATI r100 based cards (Radeo 7000, 7500 etc).  That's
probably the cause of the mesa issue you describe.

Kristian