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1 /**************************************************************************
2  *
3  * Copyright 2008 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_CONTEXT_H
29 #define STW_CONTEXT_H
30 
31 #include <windows.h>
32 
33 struct hud_context;
34 struct stw_framebuffer;
35 struct st_context_iface;
36 
37 struct stw_context
38 {
39    struct st_context_iface *st;
40    DHGLRC dhglrc;
41    int iPixelFormat;
42    HDC hDrawDC;
43    HDC hReadDC;
44    BOOL shared;
45 
46    struct stw_framebuffer *current_framebuffer;
47    struct stw_framebuffer *current_read_framebuffer;
48 
49    struct hud_context *hud;
50 };
51 
52 struct stw_context *stw_create_context_attribs(HDC hdc, INT iLayerPlane,
53                                                struct stw_context *shareCtx,
54                                                int majorVersion, int minorVersion,
55                                                int contextFlags, int profileMask,
56                                                int iPixelFormat, int resetStrategy);
57 
58 DHGLRC stw_create_context_handle(struct stw_context *context, DHGLRC handle);
59 
60 void stw_destroy_context(struct stw_context *);
61 
62 BOOL stw_unbind_context(struct stw_context *);
63 
64 DHGLRC stw_get_current_context( void );
65 
66 struct stw_context *stw_current_context(void);
67 
68 HDC stw_get_current_dc( void );
69 
70 HDC stw_get_current_read_dc( void );
71 
72 BOOL stw_make_current( struct stw_framebuffer *fb, struct stw_framebuffer *fbRead, struct stw_context *ctx );
73 
74 BOOL stw_make_current_by_handles( HDC hDrawDC, HDC hReadDC, DHGLRC dhglrc );
75 
76 void stw_notify_current_locked( struct stw_framebuffer *fb );
77 
78 #endif /* STW_CONTEXT_H */
79