He suggests, for instance, using the color data from the user's current GTK theme when rendering OpenGL elements, particularly backgrounds.

The Khronos Group has announced the release of OpenGL 3.2, a new version of the 2D and 3D graphics specification Apple uses in Mac OS X.

Game developers often use OpenGL to handle the rendering chores for graphics-intensive games. OpenGL is an application programming interface for efficiently rendering two- and three-dimensional ...

The OpenGL ARB worked with outside parties to create the OpenGL 1.3 spec, which it says will increase the level of realism available to 2D and 3D graphics applications that use OpenGL technology.

1) How do I start using OpenGL 3.0 in my code base? In order to use OpenGL 3.0 and later versions, any application explicitly has to "opt in" to use these versions.