On Tue, 2002-07-16 at 20:17, Leif Delgass wrote: > On Tue, 16 Jul 2002, Keith Whitwell wrote: > > > > Well, it's not high on my list. I don't think flat-shading is used that > > > often, and the changes don't have any effect on smooth shading. Actually, > > > it _eliminates_ some saves/restores necessary for unfilled polygons with > > > hardware flat-shading. > > > > > > Actually, I think the problem is larger than mach64. Rage128 has the same > > > problem and it appears to have GL compliant flat-shading based on the > > > primitive. The problem is that for clipped polygons, the primitive type > > > changes, so flat-shading breaks down in that case (like with unfilled > > > polygons). I think the templates would have to be changed to copy the > > > provoking-vertex color of the polygon being clipped into the vertices of > > > the triangles generated by clipping, rather than interpolating the color. > > > > I'm surprised that this isn't working. Can you verify? I tested on the i810 > > at the time & definitely got clipping working there... > > Here's a couple screenshots with the r128 driver (20020629 build): > > http://www.retinalburn.net/linux/r128-unclipped-flat.png > http://www.retinalburn.net/linux/r128-clipped-flat.png > > Allen's test program is attached. Maybe someone could check this on > Radeon with software tcl as well?
Broken, as expected. As we've both been reporting for some time, software clipping is broken in the r128 and radeon drivers. I used to suspect a Mesa problem, but the mga driver works. I wish I knew what to look for about this problem... -- Earthling Michel Dänzer (MrCooper)/ Debian GNU/Linux (powerpc) developer XFree86 and DRI project member / CS student, Free Software enthusiast ------------------------------------------------------- This sf.net email is sponsored by:ThinkGeek Welcome to geek heaven. http://thinkgeek.com/sf _______________________________________________ Dri-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/dri-devel
