GDC 2013 Eliminating Texture Waste: Borderless Ptex - additional data / documents

Hi,

I was skimming through the slides of the GDC presentation and noticed a demo being mentioned on the last slide. Is this demo and/or source available somewhere ? Is there any additional information / data regarding that topic ? Couldn’t google anything else.
THX in advance.

Cheers, ParticlePeter !