redhat man page for glxquerycontextinfoext

GLXQUERYCONTEXTINFOEXT()												  GLXQUERYCONTEXTINFOEXT()

NAME
       glXQueryContextInfoEXT - query context information

C SPECIFICATION
       int glXQueryContextInfoEXT( Display *dpy,
				   GLXContext ctx,
				   int attribute,
				   int *value )

       delim $$

PARAMETERS
       dpy	  Specifies the connection to the X server.

       ctx	  Specifies a GLX rendering context.

       attribute  The visual ID that the context was created with.

       value	  The X screen the the context was created for.

       _param5	  The context with which this context shares display lists.  or NULL if this context does not share display lists.

DESCRIPTION
       glXQueryContextInfoEXT  returns the the visual id, screen number, and share list of ctx. This call may cause a round trip to the server.

       glXQueryContextInfoEXT  is  part  of  the  EXT_import_context extension, not part of the core GLX command set. If GLX_EXT_import_context is
       included in the string returned by glXQueryExtensionsString, when called with argument GLX_EXTENSIONS, extension EXT_import_context is sup-
       ported.

ERRORS
       GLXBadContext is generated if ctx does not refer to a valid context.

SEE ALSO
       glXCreateContext, glXQueryVersion, glXQueryExtensionsString

															  GLXQUERYCONTEXTINFOEXT()