Quote Originally Posted by Ancurio View Post
Unfortunately I don't think there's any demand for tessellation shaders / subroutines atm., so I think nobody will work on these massive features any time soon. Which is unfortunate, because I'd totally like to try out shader subroutines. =/ I wonder if they can be implemented on GL3 hardware..
Tessellation shaders is part of Google Summer of Code hopefully something will come of it: http://www.google-melange.com/gsoc/p...76830073815040

There has been some dicussion around subroutines in this thread recently: http://www.phoronix.com/forums/showt..._shading/page2