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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