[PATCH] EXA support for i830

Jesse Barnes jbarnes at virtuousgeek.org
Thu Aug 18 14:58:45 PDT 2005

On Thursday, August 18, 2005 9:18 am, Alan Hourihane wrote:
> On Mon, 2005-08-08 at 09:23 -0700, Jesse Barnes wrote:
> > Well, partial EXA support anyway.  This version works for me, but
> > has some issues:
> >
> >   o under KDE there's a small rectangle in the upper left that
> > won't go away, I haven't isolated which change causes it yet
> >   o bottom to top blits don't work for some reason, even though I'm
> >     using the same command that xaa used, so they're done by the
> > EXA core (slowly)
> >   o UploadToScreen and DownloadToScreen aren't implemented yet
> >   o *Composite aren't implemented yet
> >   o my offscreenBase calculation isn't precise, I'm missing out on
> > an adjustment made by the I830 PreInit somewhere, but it doesn't
> > result in overlap on my machine anyway (though if you have a
> > different amount of memory than me, you may see corruption)
> >
> > Anyway, those things aside, it works fine for me.  I was hoping to
> > get some eyes on it since my knowledge of driver internals and the
> > i8xx in particular is pretty superficial at this point.
> Jesse,
> Sorry for not pinging sooner. I'll take a look at these very soon.
> Let me know if you've anything later that I can plug into my CVS.

I'll send you my latest version this evening, it deals with memory a bit 
better, but is still buggy.


More information about the xorg mailing list