Parallel-Split Shadow Maps (PSSM): Shadows for large scenes

Thank you very much!!!

The original version seems to work nicely for me. (I didn’t yet try many options or look at the code – I just wanted to say thanks right away for providing the files.)

Unfortunately I can’t run your modified version, since it hits the same bug in my CVS snapshot of Panda (which is probably specific to my GPU) that I reported recently in the forums, here.