1 /**************************************************************************
2 *
3 * Copyright 2008 VMware, Inc.
4 * Copyright 2009-2010 Chia-I Wu <olvaffe@gmail.com>
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
31 #ifndef EGLGLOBALS_INCLUDED
32 #define EGLGLOBALS_INCLUDED
33
34 #include <stdbool.h>
35 #include "c11/threads.h"
36
37 #include "egltypedefs.h"
38
39 enum
40 {
41 _EGL_DEBUG_BIT_CRITICAL = 0x1,
42 _EGL_DEBUG_BIT_ERROR = 0x2,
43 _EGL_DEBUG_BIT_WARN = 0x4,
44 _EGL_DEBUG_BIT_INFO = 0x8,
45 };
46
47 /**
48 * Global library data
49 */
50 struct _egl_global
51 {
52 mtx_t *Mutex;
53
54 /* the list of all displays */
55 _EGLDisplay *DisplayList;
56
57 EGLint NumAtExitCalls;
58 void (*AtExitCalls[10])(void);
59
60 /*
61 * Under libglvnd, the client extension string has to be split into two
62 * strings, one for platform extensions, and one for everything else. So,
63 * define separate strings for them. _eglGetClientExtensionString will
64 * concatenate them together for a non-libglvnd build.
65 */
66 const char *ClientOnlyExtensionString;
67 const char *PlatformExtensionString;
68 char *ClientExtensionString;
69
70 EGLDEBUGPROCKHR debugCallback;
71 unsigned int debugTypesEnabled;
72 };
73
74
75 extern struct _egl_global _eglGlobal;
76
77
78 extern void
79 _eglAddAtExitCall(void (*func)(void));
80
DebugBitFromType(EGLenum type)81 static inline unsigned int 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 extern const char *
88 _eglGetClientExtensionString(void);
89
90 /**
91 * Perform validity checks on a generic pointer.
92 */
93 extern EGLBoolean
94 _eglPointerIsDereferencable(void *p);
95
96 #endif /* EGLGLOBALS_INCLUDED */
97