My buddy Don over at UIC has made some ground-breaking progress toward advanced 3-D rendering techniques. You can see his library (written in C++) running in the UIC lab on a massive array of screens.

http://youtube.com/watch?v=T41AKmoQne4
http://www.youtube.com/watch?v=vh6ysBvJcXI&NR=1
http://www.youtube.com/watch?v=N6dM5OL7XvI&NR=1

Here's the link to his GLSL library:
http://www.evl.uic.edu/eolmst1/GLSL/