[Mesa3d-dev] Re: state of r200-copy-pixels patch for mesa ?
David Reveman
davidr at novell.com
Wed May 24 07:56:33 PDT 2006
On Wed, 2006-05-24 at 07:42 -0600, Brian Paul wrote:
> David Reveman wrote:
> > On Wed, 2006-05-24 at 14:46 +0200, Hanno Böck wrote:
> >
> >>Hi,
> >>
> >>A long while back, davidr posted a patch called r200-copy-pixels-1.patch
> >>together with the first big xgl update telling that this would be required
> >>for performant operation of xgl.
> >>
> >>This patch still applies to current mesa cvs. I wanted to ask if
> >>a) it still makes sense to apply this patch?
> >>b) if yes, this shouldn't be applied to upstream Mesa?
> >>
> >>Patch is here:
> >>http://svn.hboeck.de/xgl-overlay/media-libs/mesa/files/r200-copy-pixels-1.patch
> >>
> >
> >
> > Patch doesn't make sense anymore. Xgl now uses GLX_MESA_copy_sub_buffer
> > instead. Fast copy pixel performance is still useful but that patch is
> > no good.
>
> Do you mean "the patch is no good for Xgl"? Or, "the patch is defective"?
>
> If it's not defective, I'll check it in.
It's defective. That patch was created as a quick hack to see how the
r200 driver performed with Xgl. It was never my intention that it would
go upstream.
I think Dave Airlie created a more appropriate patch for accelerating
CopyPixels.
-David
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