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/**************************************************************************
 * 
 * Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas.
 * All Rights Reserved.
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sub license, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 * 
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial portions
 * of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 * 
 **************************************************************************/

#ifndef XM_WINSYS_H
#define XM_WINSYS_H

struct pipe_context;
struct pipe_screen;
struct pipe_winsys;
struct pipe_surface;
struct xmesa_buffer;


struct xm_driver {

   struct pipe_winsys *(*create_pipe_winsys)( void );

   struct pipe_screen *(*create_pipe_screen)( struct pipe_winsys * );

   /* The context_private argument needs to go away.  Is currently used
    * in a round-about way to associate a display-target surface with its
    * Xlib window.
    */
   struct pipe_context *(*create_pipe_context)( struct pipe_screen *,
                                                void *context_private );

   void (*display_surface)( struct xmesa_buffer *, 
                            struct pipe_surface * );

};


extern void
xmesa_set_driver( const struct xm_driver *driver );


#endif