Phoronix: Intel Ivy Bridge - Linux: GL 3.0, Windows: GL 4.0

While the Intel Linux graphics developers have postponed the OpenGL 3.1 support until probably next year, the Intel Windows driver developers have now managed OpenGL 4.0 support, which compliments the OpenCL 1.1 support on Ivy Bridge -- another feature not found at this point in the Intel Linux GPU driver...

http://www.phoronix.com/vr.php?view=MTA5NzM