rastergrid.com/blog/2010/03/a-br … 3-and-4-0/
^ this has very nice overview of what is new in openGL 4.
One thing that caught me by surprise is this:
No more NodePath? Just shaders?
Hah. Sounds a lot like “display lists” from OpenGL 1.0. Everything old is new again.
Have fun writing your game logic in shader language.