OpenGL 2.1 Reference Pages

Use the index at the left to choose any GL, GLU, or GLX reference page for viewing. The reference pages (also known as "man pages") include all of the important usage information for each command. This information includes a description of all parameters, return values, error conditions, and related commands.

Browser Compatibility

Many of the reference pages depend on relatively complex math equations. We've chosen the industry standard, MathML, for rendering our equations. This standard is gaining widespread support, but there are still some growing pains. Here's what you can expect from different browsers:

• Firefox 1.5+: native support is built-in, but Firefox will complain about missing fonts. Installing the recommended fonts should appease Firefox. However, it has been reported that on Mac OS X, additional steps are required to prevent ongoing font complaints:
  1. Type about:config in the address bar
  2. Control-click anywhere in the list of preferences that come up and select New > String
  3. In the "New string value" dialog, enter font.mathfont-family
  4. In the "Enter string value" enter Math1, Math2, Math4



• Internet Explorer 6: no native support, but you'll be automatically prompted to install the Design Science MathPlayer plugin which renders our equations beautifully.



• Internet Explorer 7: works out of the box with native MathML support!



• Opera 9+: no native support, but this page describes a simple add-on which provides decent results.



• Safari: no native support and no known add-ons. Sorry!

Feedback

If you find any inaccuracies or typos in the reference pages, don't hesitate to inform us via the feedback form.