1 /**************************************************************************
2  *
3  * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
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 TUNGSTEN GRAPHICS 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_CONTEXT_H
29 #define STW_CONTEXT_H
30 
31 #include <windows.h>
32 
33 struct stw_framebuffer;
34 struct st_context_iface;
35 
36 struct stw_context
37 {
38    struct st_context_iface *st;
39    DHGLRC dhglrc;
40    int iPixelFormat;
41    HDC hdc;
42 
43    struct stw_framebuffer *current_framebuffer;
44 };
45 
46 DHGLRC stw_create_context_attribs( HDC hdc, INT iLayerPlane, DHGLRC hShareContext,
47                                    int majorVersion, int minorVersion, int contextFlags, int profileMask );
48 
49 DHGLRC stw_get_current_context( void );
50 
51 HDC stw_get_current_dc( void );
52 
53 BOOL stw_make_current( HDC hdc, DHGLRC dhglrc );
54 
55 void stw_flush_current_locked( struct stw_framebuffer *fb );
56 void stw_notify_current_locked( struct stw_framebuffer *fb );
57 
58 #endif /* STW_CONTEXT_H */
59