On Mon, 2002-11-25 at 02:57, Kevin E Martin wrote: > On Mon, Nov 25, 2002 at 12:02:32AM +0100, Michel Dänzer wrote: > > On Son, 2002-11-24 at 22:53, Kevin E Martin wrote: > > > On Sun, Nov 24, 2002 at 09:57:36PM +0100, Michel Dänzer 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.
Does that mean we could implement full-blown Bresenham lines with the newer chips? > 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. I see, sorry for the confusion. -- Earthling Michel Dänzer (MrCooper)/ Debian GNU/Linux (powerpc) developer XFree86 and DRI project member / CS student, Free Software enthusiast _______________________________________________ Xpert mailing list [EMAIL PROTECTED] http://XFree86.Org/mailman/listinfo/xpert
