On Mon, Nov 25, 2002 at 12:02:32AM +0100, Michel D�nzer wrote:
> On Son, 2002-11-24 at 22:53, Kevin E Martin wrote:
> > On Sun, Nov 24, 2002 at 09:57:36PM +0100, Michel D�nzer wrote:
> > > On Don, 2002-11-21 at 06:44, Andrew P. Lentvorski wrote: 
> > > > Okay, you wanted isolation; you got isolation. ;)
> > > > 
> > > > The option which makes the problem go away is:
> > > > 
> > > >         Option  "XaaNoDashedTwoPointLine"
> > > 
> > > While this has been much improved in current CVS, Mark's linetest
> > > program still produces some artifacts. Kevin, have you gotten around to
> > > look into that yet?
> > 
> > Yes.  I rebuilt from the latest CVS tree, and ran xtest and Mark's
> > linetest program.  It all worked fine for me -- i.e., no artifacts.
> > 
> > The latest I've heard is that the person who had the problems and
> > rebuilt from CVS but didn't install the new XAA.  They were going to try
> > installing the new XAA to see if that helps (or they could just build a
> > non-loadable server for testing).
> > 
> > However, if Mark's linetest program produces artifacts for you, please
> > let me know the exact coordinates, the dash pattern used, and if end
> > caps are on/off, since I have not been able to reproduce this problem.
> > This info should be trivial to gather in the debugger.  It might simply
> > be that there are specific dash patterns that cause problems that I have
> > not tested.  Also, please let me know if this happens on big or little
> > endian machines, or both.
> 
> I told you two months ago that I get artifacts both on my TiBook with a
> 7500 Mobility as well as on an Athlon box with a 7500. You said you
> thought you knew what the problem is.

Yes, I remember that e-mail conversation, but I believe the problem you
pointed out two months ago is a different problem and is specific to
Radeon 7500 (RV200) and later cards.  FYI, I think the solution to the
drawing errors on the 7500 and later cards is to properly set the
bres_cntl field in the dst_line_patcount register.

However, the problem from the original e-mail in this thread was said to
be with a Radeon VE (see the subject line), which is older than the 7500
and does not appear to have the bres_cntl field.  As I mentioned above,
I've rebuilt from the latest CVS tree, and ran xtest and Mark's linetest
program.  It all worked fine on my VE card.  At this point, I'm not sure
what the problem with the VE is.

Kevin
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