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OpenGL® and OpenGL|ES are trademarks of Silicon Graphics, Inc.




Legal stuff. Both the SkyBox Tools and the GLE32 library are free of charge. Details regarding use and re-use in other applications appear below.

GLE32 is partially based on the work of (primarily) Linas Vepstas, Mark Kilgard, Nate Robbins and Silicon Graphics, Inc. OpenGL™ is a registered trademark of Silicon Graphics, Inc.

Our copyright and disclaimer information follow; separate copyright information is included in the GLE32 source files where applicable.


SkyBox Tools

By downloading the SkyBox Tools you agree to the following terms:

  • You will not claim the work to be your own.
  • You will not redistribute it in any form other than the original zip package.
  • You will not charge a fee for the redistributed package.
  • If you do redistribute it, full accreditation must be given to Bright Ideas Software, and the following BIS copyright notice must be prominently displayed:

    The SkyBox Tools are Copyright© 2007-2015 by Bright Ideas Software®. They are provided 'As Is', without warranty of any kind, either expressed or implied, including, but not limited to, the implied warranties or merchantability or fitness for a particular purpose.

GLE32 Version 4:

As mentioned above, this library is based on Linas Vepstas' original GLE library. The GLUT untextured primitives are taken from Nate Robbins' latest version of the GLUT library, and are copyrighted by Mark Kilgard and Silicon Graphics.

The GLE32 Library also includes a slightly modified version of the Image Manipulation libraries from Charles Petzold's 'Programming Windows - Fifth Edition'. These are copyrighted by Charles Petzold.

The class hierarchy and object-oriented re-write of Linas' library is my own, as are the textured versions of the GLUT primitives and the library test program. These are all Copyright© 2001-2017 by Bright Ideas Software®. All rights reserved. It is provided 'As Is', without warranty of any kind, either expressed or implied, including, but not limited to, the implied warranties or merchantability or fitness for a particular purpose.

LICENSE AGREEMENT: This version of the library and the associated demo program are free, and permission to use, copy, modify, and distribute this software for any purpose and without fee is hereby granted, provided that the included copyright notice appear in all copies and that both the copyright notice and this permission notice appear in supporting documentation. It is provided 'As Is', without warranty of any kind, either expressed or implied, including, but not limited to, the implied warranties or merchantability or fitness for a particular purpose.


Copyright© 2001-2017 by Bright Ideas Software®. All rights reserved.