Nouveau Now Implements Two More GL4 Extensions, Very Close To OpenGL 4.2

While the Nouveau NVC0 and RadeonSI Gallium3D drivers were tied for a while in terms of their OpenGL 4 extension coverage, the NVC0 driver for NVIDIA Fermi GPUs and newer has advanced further with two more extensions -- one for OpenGL 4.2 and the other for OpenGL 4.3 -- now being supported by this open-source, reverse-engineered driver...