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_DEVICE_H_
29 #define STW_DEVICE_H_
30 
31 
32 #include "pipe/p_compiler.h"
33 #include "os/os_thread.h"
34 #include "util/u_handle_table.h"
35 #include "stw_icd.h"
36 #include "stw_pixelformat.h"
37 
38 
39 #define STW_MAX_PIXELFORMATS   256
40 
41 
42 struct pipe_screen;
43 struct st_api;
44 struct st_manager;
45 struct stw_framebuffer;
46 
47 struct stw_device
48 {
49    const struct stw_winsys *stw_winsys;
50 
51    struct pipe_screen *screen;
52 
53    /* Cache some PIPE_CAP_* */
54    unsigned max_2d_levels;
55    unsigned max_2d_length;
56 
57    struct st_api *stapi;
58    struct st_manager *smapi;
59 
60    LUID AdapterLuid;
61 
62    struct stw_pixelformat_info pixelformats[STW_MAX_PIXELFORMATS];
63    unsigned pixelformat_count;
64    unsigned pixelformat_extended_count;
65 
66    GLCALLBACKTABLE callbacks;
67 
68    pipe_mutex ctx_mutex;
69    struct handle_table *ctx_table;
70 
71    pipe_mutex fb_mutex;
72    struct stw_framebuffer *fb_head;
73 
74 #ifdef DEBUG
75    unsigned long memdbg_no;
76 #endif
77 };
78 
79 struct stw_context *
80 stw_lookup_context_locked( DHGLRC hglrc );
81 
82 extern struct stw_device *stw_dev;
83 
84 
85 #endif /* STW_DEVICE_H_ */
86