http://www.youtube.com/watch?v=0IDyZof2pRI
(for those interested in the technical details of the NVIDIA thing, this is a lecture explaining it in detail).
EDIT: He explains in more detail in the first two minutes of part two:
http://www.youtube.com/watch?v=PitV33ex5U4
If not, what is it?
http://www.slideshare.net/Mark_Kilgard/nvpathrendering-frequ...
(Q. 37)
This looks more sophisticated than the kind of tessellation I'm used to but they still have triangle fans!
I didn't know about this. I've been out of this game for a while. That looks great. I wish we'd had it back when I was working on a GPU XAML renderer.
Thanks!