... typeset against a gray background .1.2 What is the OpenGL Graphics System?OpenGL (for “Open Graphics Library”) is a software interface to graphics hard-ware. The interface consists of a set of several ... document contains unpublished information ofSilicon Graphics, Inc.This document is protected by copyright, and contains information proprietary toSilicon Graphics, Inc. Any copying, adaptation, distribution, ... States. Contractor/manufacturer isSilicon Graphics, Inc., 1600 Amphitheatre Parkway, Mountain View, CA 94043.OpenGL is a registered trademark of Silicon Graphics, Inc.Unix is a registered trademark...