1 /**************************************************************************
2 *
3 * Copyright 2008 VMware, Inc.
4 * Copyright 2009-2010 Chia-I Wu <[email protected]>
5 * Copyright 2010-2011 LunarG, Inc.
6 * All Rights Reserved.
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the
10 * "Software"), to deal in the Software without restriction, including
11 * without limitation the rights to use, copy, modify, merge, publish,
12 * distribute, sub license, and/or sell copies of the Software, and to
13 * permit persons to whom the Software is furnished to do so, subject to
14 * the following conditions:
15 *
16 * The above copyright notice and this permission notice (including the
17 * next paragraph) shall be included in all copies or substantial portions
18 * of the Software.
19 *
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
21 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
23 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
24 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
25 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
26 * DEALINGS IN THE SOFTWARE.
27 *
28 **************************************************************************/
29
30 #ifndef EGLGLOBALS_INCLUDED
31 #define EGLGLOBALS_INCLUDED
32
33 #include <stdbool.h>
34 #include "util/simple_mtx.h"
35
36 #include "egltypedefs.h"
37
38 enum {
39 _EGL_DEBUG_BIT_CRITICAL = 0x1,
40 _EGL_DEBUG_BIT_ERROR = 0x2,
41 _EGL_DEBUG_BIT_WARN = 0x4,
42 _EGL_DEBUG_BIT_INFO = 0x8,
43 };
44
45 /**
46 * Global library data
47 */
48 struct _egl_global {
49 simple_mtx_t *Mutex;
50
51 /* the list of all displays */
52 _EGLDisplay *DisplayList;
53
54 _EGLDevice *DeviceList;
55
56 EGLint NumAtExitCalls;
57 void (*AtExitCalls[10])(void);
58
59 /*
60 * Under libglvnd, the client extension string has to be split into two
61 * strings, one for platform extensions, and one for everything else.
62 * For a non-glvnd build create a concatenated one.
63 */
64 #if USE_LIBGLVND
65 const char *ClientOnlyExtensionString;
66 const char *PlatformExtensionString;
67 #else
68 const char *ClientExtensionString;
69 #endif
70
71 EGLDEBUGPROCKHR debugCallback;
72 unsigned int debugTypesEnabled;
73 };
74
75 extern struct _egl_global _eglGlobal;
76
77 extern void
78 _eglAddAtExitCall(void (*func)(void));
79
80 static inline unsigned int
DebugBitFromType(EGLenum type)81 DebugBitFromType(EGLenum type)
82 {
83 assert(type >= EGL_DEBUG_MSG_CRITICAL_KHR && type <= EGL_DEBUG_MSG_INFO_KHR);
84 return (1 << (type - EGL_DEBUG_MSG_CRITICAL_KHR));
85 }
86
87 /**
88 * Perform validity checks on a generic pointer.
89 */
90 extern EGLBoolean
91 _eglPointerIsDereferenceable(void *p);
92
93 #endif /* EGLGLOBALS_INCLUDED */
94