The Official Guide to
Learning OpenGL, Version 1.1
About This Guide
The OpenGL graphics system is a software interface to graphics hardware. (The GL stands for Graphics
Library.) It allows you to create interactive programs that produce color images of moving
three-dimensional objects. With OpenGL, you can control computer-graphics technology to produce
realistic pictures or ones that depart from reality in imaginative ways. This guide explains how to
program with the OpenGL graphics system to deliver the visual effect you want.
