DESCRIPTION
       glXGetCurrentDrawable  returns  the  current  drawable,  as specified by
       glXMakeCurrent.  If there is no current drawable, None is returned.

       glXGetCurrentDrawable returns client-side information.  It does not make
       a round trip to the server.

SEE ALSO
       glXCreateGLXPixmap,      glXGetCurrentContext,     glXGetCurrentDisplay,
       glXGetCurrentReadDrawable, glXMakeCurrent

                                                      GLXGETCURRENTDRAWABLE(3G)