The package GL

This is the root package of the core OpenGL wrapper.

The index types for vector and matrix types are defined here because they would cause problems with cyclic dependencies when they were defined in GL.Types.

Flush and Finish act like their conterparts in the OpenGL API.

Init must be called once to load function pointers of post-OpenGL 1.1 functionality. For your convenience, Glfw calls GL.Init when new Windows are created so that you do not need to call it directly when using the GLFW wrapper.