[cairo] After 1.3.2, what's going to make cairo faster next?

Daniel Amelang daniel.amelang at gmail.com
Tue Nov 28 15:29:51 PST 2006

On 11/17/06, Bill Spitzak <spitzak at d2.com> wrote:
> Daniel Amelang wrote:
> > On 11/17/06, Carl Worth <cworth at cworth.org> wrote:
> >> On Thu, 16 Nov 2006 14:31:43 -0800, "Daniel Amelang" wrote:
> >> I really can't form an opinion on it. I saw a blog post which had only
> >> about as much detail as you give above "OpenGL + stencil buffer" with
> >> claims of linear-time performance. I didn't see any pointers to an
> >> explanation of how the approach actually works, what tradeoffs it
> >> might have, any implementation, nor even any pictures of results from
> >> which the quality could be judged.
> >
> > Yah, I was disappointed with how little he disclosed. In case you
> > haven't seen it, he wrote a bit more about the technique several
> > months ago:
> >
> > http://zrusin.blogspot.com/2006/07/hardware-accelerated-polygon-rendering.html
> >
> >
> > Obviously still not very clear, but like you said, we have work cut
> > out in other areas first.
> Looks like that does even/odd filling, not the non-zero winding rule
> that Cairo wants. Also does not do antialiasing.

Does this mean that the method is too incompatible with Cairo's
behavior that it couldn't ever be used? And could you explain what
about it prevents antialiasing?

Thank goodness we have at least one person (Bill) who understands how
this method works :) .


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