OpenGL Utility Library
OpenGL Utility Library ( GLU ) is a graphics library . Building on OpenGL, GLU offers higher-level graphics functions. It is part of the OpenGL package.
There are three major implementations of the GLU:
- Mesa GLU, implements GLU 1.2 and was abandoned by Mesa in favor of SGI GLU
- Microsoft GLU, included with Windows , implements GLU 1.2
- SGI GLU, implements GLU 1.3