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  1. /**************************************************************************
  2.  *
  3.  * Copyright 2008-2009 Vmware, Inc.
  4.  * All Rights Reserved.
  5.  *
  6.  * Permission is hereby granted, free of charge, to any person obtaining a
  7.  * copy of this software and associated documentation files (the
  8.  * "Software"), to deal in the Software without restriction, including
  9.  * without limitation the rights to use, copy, modify, merge, publish,
  10.  * distribute, sub license, and/or sell copies of the Software, and to
  11.  * permit persons to whom the Software is furnished to do so, subject to
  12.  * the following conditions:
  13.  *
  14.  * The above copyright notice and this permission notice (including the
  15.  * next paragraph) shall be included in all copies or substantial portions
  16.  * of the Software.
  17.  *
  18.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19.  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20.  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21.  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
  22.  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23.  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24.  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25.  *
  26.  **************************************************************************/
  27.  
  28. #ifndef STW_WINSYS_H
  29. #define STW_WINSYS_H
  30.  
  31. #include <windows.h> /* for HDC */
  32.  
  33. #include "pipe/p_compiler.h"
  34.  
  35. struct pipe_screen;
  36. struct pipe_context;
  37. struct pipe_resource;
  38.  
  39. struct stw_shared_surface;
  40.  
  41. struct stw_winsys
  42. {
  43.    struct pipe_screen *
  44.    (*create_screen)( void );
  45.  
  46.    /* XXX is it actually possible to have non-zero level/layer ??? */
  47.    /**
  48.     * Present the color buffer to the window associated with the device context.
  49.     */
  50.    void
  51.    (*present)( struct pipe_screen *screen,
  52.                struct pipe_resource *res,
  53.                HDC hDC );
  54.  
  55.    /**
  56.     * Locally unique identifier (LUID) of the graphics adapter.
  57.     *
  58.     * @sa GLCBPRESENTBUFFERSDATA::AdapterLuid;
  59.     */
  60.    boolean
  61.    (*get_adapter_luid)( struct pipe_screen *screen,
  62.                         LUID *pAdapterLuid );
  63.  
  64.    /**
  65.     * Open a shared surface (optional).
  66.     *
  67.     * @sa GLCBPRESENTBUFFERSDATA::hSharedSurface;
  68.     */
  69.    struct stw_shared_surface *
  70.    (*shared_surface_open)(struct pipe_screen *screen,
  71.                           HANDLE hSharedSurface);
  72.  
  73.    /**
  74.     * Close a shared surface (optional).
  75.     */
  76.    void
  77.    (*shared_surface_close)(struct pipe_screen *screen,
  78.                            struct stw_shared_surface *surface);
  79.  
  80.    /**
  81.     * Compose into a shared surface (optional).
  82.     *
  83.     * Blit the color buffer into a shared surface.
  84.     *
  85.     * @sa GLPRESENTBUFFERSDATA::PresentHistoryToken.
  86.     */
  87.    void
  88.    (*compose)( struct pipe_screen *screen,
  89.                struct pipe_resource *res,
  90.                struct stw_shared_surface *dest,
  91.                LPCRECT pRect,
  92.                ULONGLONG PresentHistoryToken );
  93. };
  94.  
  95. boolean
  96. stw_init(const struct stw_winsys *stw_winsys);
  97.  
  98. boolean
  99. stw_init_thread(void);
  100.  
  101. void
  102. stw_cleanup_thread(void);
  103.  
  104. void
  105. stw_cleanup(void);
  106.  
  107. #endif /* STW_WINSYS_H */
  108.