xqueryextension.html

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<HTML><BODY><PRE>     <STRONG>NAME</STRONG>	  <STRONG>glXQueryExtension</STRONG> - indicate whether the GLX extension is	  supported     <STRONG>C</STRONG> <STRONG>SPECIFICATION</STRONG>	  Bool <STRONG>glXQueryExtension</STRONG>( Display *<EM>dpy</EM>,				  int *<EM>errorBase</EM>,				  int *<EM>eventBase</EM> )     <STRONG>PARAMETERS</STRONG>	  <EM>dpy</EM>	     Specifies the connection to the X server.	  <EM>errorBase</EM>  Returns the base error code of the	GLX server		     extension.	  <EM>eventBase</EM>  Returns the base event code of the	GLX server		     extension.     <STRONG>DESCRIPTION</STRONG>	  <STRONG>glXQueryExtension</STRONG> returns <STRONG>True</STRONG> if the	X server of connection	  <EM>dpy</EM> supports the GLX extension, <STRONG>False</STRONG>	otherwise.  If <STRONG>True</STRONG> is	  returned, then <EM>errorBase</EM> and <EM>eventBase</EM> return	the error base	  and event base of the	GLX extension.	Otherwise, <EM>errorBase</EM>	  and <EM>eventBase</EM>	are unchanged.	  <EM>errorBase</EM> and	<EM>eventBase</EM> do not return	values if they are	  specified as <STRONG>NULL</STRONG>.     <STRONG>NOTES</STRONG>	  <EM>eventBase</EM> is included	for future extensions.	GLX does not	  currently define any events.     <STRONG>SEE</STRONG> <STRONG>ALSO</STRONG>	  <STRONG>glXQueryVersion</STRONG></PRE></BODY></HTML>

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