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