OpenGL is a
platform-independent library for C/C++ (and some other languages) that lets you
efficiently generate 2D and 3D graphics. For more information about OpenGL
check out:
OpenGL v1.1 Programming Guide
http://ask.ii.uib.no/ebt-bin/nph-dweb/dynaweb/SGI_Developer/OpenGL_PG/
Workshop handout
http://www-personal.engin.umich.edu/~mrodehor/OpenGL
Other resources
http://www.opengl.org/developers/about/overview.html