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GLXQUERYGLXPBUFFERSGIX(3GL)			   GLXQUERYGLXPBUFFERSGIX(3GL)

NAME
       glXQueryGLXPbufferSGIX  -  return  an attribute associated with a GLXP‐
       buffer

C SPECIFICATION
       void glXQueryGLXPbufferSGIX ( Display *dpy,
	      GLXPbuffer pbuf,
	      int attribute,
	      unsigned int *value)

PARAMETERS
       dpy	  Specifies the connection to the X server.

	pbuf	  Specifies the GLXPbuffer.

       attribute  Specifies attribute value to return.

       value	  Returns the requested value.

DESCRIPTION
       glXQueryGLXPbufferSGIX returns the attribute of <pbuf>. Five  attribute
       are defined:

       GLX_WIDTH_SGIX
	      <value> returns the width of <pbuf>
       GLX_HEIGHT_SGIX
	      <value> returns height of <pbuf>
       GLX_PRESERVED_CONTENTS_SGIX
	      <value> returns a boolean value which specifies whether the con‐
	      tent of <pbuf> is preserved or not when <pbuf> is lost.
       GLX_LARGEST_PBUFFER_SGIX
	      <value> returns a boolean value  which  specifies	 wheteher  the
	      largest pbuffer is to be allocated when the allocation of <pbuf>
	      fails.
       GLX_FBCONFIG_ID_SGIX
	      <value> returns the i. d. of the GLXFBConfig for <pbuf>. To  get
	      the  GLXFBConfig	for a GLXPbuffer, first retrieve the i. d. for
	      the FBConfig and then call glXChooseFBConfigSGIX.

NOTES
       glXQueryGLXPbufferSGIX is part of the GLX extension  SGIX_pbuffer,  not
       part  of	 the  core GLX command set. If SGIX_pbuffer is included in the
       string returned by glXQueryExtensionsString, extension SGIX_pbuffer  is
       supported by the connection.

       This  function  is  superseded by glXQueryDrawble, which is part of GLX
       Version 1.3 command set. glXQueryGLXPbufferSGIX is only	supported  for
       backward compatibility.

ERRORS
       GLXBadPbufferSGIX is generated if <pbuf> is not a valid GLXPbuffer.

SEE ALSO
       glXChooseFBConfigSGIX,	 glXCreateGLXPbufferSGIX,   glXQueryExtension‐
       sString.

				   23 May 01	   GLXQUERYGLXPBUFFERSGIX(3GL)

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