demo.cpp: the current program for testing demo.cpp.latest: the latest program with "sane" data structures (currently works on Linux hardware and on OS X 10.3.4 with ATI Radeon 9700) demo.cpp.org-nicer: the original program made to be very close to demo.cpp.latest with the (important) exception of data structures and what look like crucial Cg binding calls demo.cpp.org: the original demo program