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/**************************************************************************
 *
 * Copyright 2007 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.
 *
 **************************************************************************/

/**
 * \file
 * Buffer implementation.
 * 
 * \author Jos� Fonseca <jrfonseca@tungstengraphics.com>
 */


#include "pb_buffer.h"
#include "pipe/p_winsys.h"



static void *
pb_winsys_map(struct pipe_winsys *winsys,
	      struct pipe_buffer *ws_buf,
	      unsigned flags)
{
   struct pb_buffer *buf = pb_buffer(ws_buf);

   return buf->vtbl->map(buf, flags);
}

static void
pb_winsys_unmap(struct pipe_winsys *winsys,
		struct pipe_buffer *ws_buf)
{
   struct pb_buffer *buf = pb_buffer(ws_buf);

   buf->vtbl->unmap(buf);
}

static void
pb_winsys_destroy(struct pipe_winsys *winsys,
		  struct pipe_buffer *ws_buf)
{
   struct pb_buffer *buf = pb_buffer(ws_buf);

   buf->vtbl->destroy(buf);
}



void 
pb_init_winsys(struct pipe_winsys *winsys)
{
   winsys->buffer_map = pb_winsys_map;
   winsys->buffer_unmap = pb_winsys_unmap;
   winsys->buffer_destroy = pb_winsys_destroy;
}