The Open-Source

OpenGL Utility Toolkit

(freeglut 2.0.0)

Application Programming Interface

OpenGL is a trademark of Silicon Graphics, Inc. X Window System is a trademark of X Consortium, Inc.  Spaceball is a registered trademark of Spatial Systems Inc.
The authors have taken care in preparation of this documentation but make no expressed or implied warranty of any kind and assumes no responsibility for errors or omissions. No liability is assumed for incidental or consequential damages in connection with or arising from the use of information or programs contained herein.
 

1.0  Contents

2.0  Introduction

3.0  Background

3.1  Design Philosophy
3.2  Conventions
3.3  Terminology
3.4  Differences from GLUT 3.7

4.0  Initialization Functions

4.1  glutInit
4.2  glutInitWindowPosition, glutInitWindowSize
4.3  glutInitDisplayMode
4.4  glutInitDisplayString

5.0  Event Processing Functions

5.1  glutMainLoop
5.2  glutMainLoopEvent
5.3  glutLeaveMainLoop

6.0  Window Functions

6.1  glutCreateWindow
6.2  glutCreateSubwindow
6.3  glutDestroyWindow
6.4  glutSetWindow, glutGetWindow
6.5  glutSetWindowTitle, glutSetIconTitle
6.6  glutReshapeWindow
6.7  glutPositionWindow
6.8  glutShowWindow, glutHideWindow, glutIconifyWindow
6.9  glutPushWindow, glutPopWindow
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glutSwapw
6.10  glutFullScreen

7.0  Display Functions

7.1  glutPostRedisplay
7.2  glutPostWindowRedisplay
7.3  glut