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/**************************************************************************
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 *
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 * Copyright 2008-2009 Vmware, Inc.
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 * All Rights Reserved.
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a
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 * copy of this software and associated documentation files (the
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 * "Software"), to deal in the Software without restriction, including
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 * without limitation the rights to use, copy, modify, merge, publish,
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 * distribute, sub license, and/or sell copies of the Software, and to
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 * permit persons to whom the Software is furnished to do so, subject to
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 * the following conditions:
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 *
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 * The above copyright notice and this permission notice (including the
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 * next paragraph) shall be included in all copies or substantial portions
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 * of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
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 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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 *
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 **************************************************************************/
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#ifndef STW_WINSYS_H
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#define STW_WINSYS_H
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#include  /* for HDC */
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#include "pipe/p_compiler.h"
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struct pipe_screen;
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struct pipe_context;
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struct pipe_resource;
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struct stw_shared_surface;
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struct stw_winsys
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{
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   struct pipe_screen *
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   (*create_screen)( void );
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   /* XXX is it actually possible to have non-zero level/layer ??? */
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   /**
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    * Present the color buffer to the window associated with the device context.
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    */
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   void
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   (*present)( struct pipe_screen *screen,
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               struct pipe_resource *res,
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               HDC hDC );
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   /**
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    * Locally unique identifier (LUID) of the graphics adapter.
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    *
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    * @sa GLCBPRESENTBUFFERSDATA::AdapterLuid;
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    */
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   boolean
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   (*get_adapter_luid)( struct pipe_screen *screen,
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                        LUID *pAdapterLuid );
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   /**
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    * Open a shared surface (optional).
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    *
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    * @sa GLCBPRESENTBUFFERSDATA::hSharedSurface;
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    */
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   struct stw_shared_surface *
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   (*shared_surface_open)(struct pipe_screen *screen,
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                          HANDLE hSharedSurface);
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   /**
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    * Close a shared surface (optional).
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    */
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   void
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   (*shared_surface_close)(struct pipe_screen *screen,
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                           struct stw_shared_surface *surface);
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   /**
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    * Compose into a shared surface (optional).
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    *
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    * Blit the color buffer into a shared surface.
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    *
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    * @sa GLPRESENTBUFFERSDATA::PresentHistoryToken.
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    */
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   void
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   (*compose)( struct pipe_screen *screen,
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               struct pipe_resource *res,
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               struct stw_shared_surface *dest,
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               LPCRECT pRect,
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               ULONGLONG PresentHistoryToken );
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};
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boolean
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stw_init(const struct stw_winsys *stw_winsys);
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boolean
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stw_init_thread(void);
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void
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stw_cleanup_thread(void);
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void
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stw_cleanup(void);
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#endif /* STW_WINSYS_H */