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GLXIMPORTCONTEXTEXT(3G) 		  OpenGL Manual 		  GLXIMPORTCONTEXTEXT(3G)

NAME
       glXImportContextEXT - import another process's indirect rendering context.

C SPECIFICATION
       GLXContext glXImportContextEXT(Display * dpy, GLXContextID contextID);

PARAMETERS
       dpy
	   Specifies the connection to the X server.

       contextID
	   Specifies a GLX rendering context.

DESCRIPTION
       glXImportContextEXT creates a GLXContext given the XID of an existing GLXContext. It may
       be used in place of glXCreateContext(), to share another process's indirect rendering
       context.

       Only the server-side context information can be shared between X clients; client-side
       state, such as pixel storage modes, cannot be shared. Thus, glXImportContextEXT must
       allocate memory to store client-side information. This memory is freed by calling
       glXFreeContextEXT().

       This call does not create a new XID. It merely makes an existing object available to the
       importing client (Display *). Like any XID, it goes away when the creating client drops
       its connection or the ID is explicitly deleted. Note that this is when the XID goes away.
       The object goes away when the XID goes away AND the context is not current to any thread.

       If contextID refers to a direct rendering context then no error is generated but
       glXImportContextEXT returns NULL.

       glXImportContextEXT is part of the EXT_import_context extension, not part of the core GLX
       command set. If _glxextstring(EXT_import_context) is included in the string returned by
       glXQueryExtensionsString(), when called with argument GLX_EXTENSIONS, extension
       EXT_import_context is supported.

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

SEE ALSO
       glXCreateContext(), glXQueryVersion(), glXQueryExtensionsString(), glXGetContextIDEXT(),
       glXFreeContextEXT()

COPYRIGHT
       Copyright (C) 1991-2006 Silicon Graphics, Inc. This document is licensed under the SGI
       Free Software B License. For details, see http://oss.sgi.com/projects/FreeB/.

AUTHORS
       opengl.org

opengl.org				    06/10/2014			  GLXIMPORTCONTEXTEXT(3G)
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