gluCheckExtension(3G)	       OpenGL Reference		 gluCheckExtension(3G)

NAME    [Toc]    [Back]

     gluCheckExtension - determines if an extension name is supported

C SPECIFICATION    [Toc]    [Back]

     GLboolean gluCheckExtension( const	GLubyte	*extName,
				  const	GLubyte	*extString )

PARAMETERS    [Toc]    [Back]

     extName	Specifies an extension name.

     extString	Specifies a space-separated list of extension names supported.

DESCRIPTION    [Toc]    [Back]

     gluCheckExtension returns GL_TRUE if extName is supported otherwise
     GL_FALSE is returned.

     This is used to check for the presence for	OpenGL,	GLU or GLX extension
     names by passing the extension strings returned by	glGetString,
     gluGetString, glXGetClientString, glXQueryExtensionsString, or
     glXQueryServerString, respectively, as extString.

NOTES    [Toc]    [Back]

     Cases where one extension name is a substring of another are correctly
     handled.

     There may or may not be leading or	trailing blanks	in extString.

     Extension names should not	contain	embedded spaces.

     All strings are null-terminated.

SEE ALSO    [Toc]    [Back]

     glGetString, gluGetString,	glXGetClientString, glXQueryExtensionsString,
     glXQueryServerString


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