From: Brian Paul <brianp@va...> - 2000-11-28 17:38:39
Gareth Hughes wrote:
> Brian Paul wrote:
> > Gareth Hughes wrote:
> > >
> > > Is anyone else getting screwed-up texture coords on the cylinder? I've
> > > seen this with hw acceleration and LIBGL_ALWAYS_INDIRECT=1 on both the
> > > trunk and ati-4-1-1 branch (which has identical Mesa code to the trunk
> > > now).
> > No, I seems OK to me.
> Hmm, okay. I'll have another look, make sure I haven't screwed up the
> build/install somehow...
> > The problem is in the auto-normal generation calculation for
> > evaluator patches. At the very top and bottom of the teapot
> > a number of control points collapse on top of each other so the
> > partial deriviates,
> and hence their cross product normal, are
> > <0,0,0>. There's probably some trick to fixing that but I've
> > never looked into it.
> I'll stick it waaaay down the end of my todo list then, shall I? ;-)
Sure. It's been near the bottom of my list for a few years now. :)