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
39enum
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 */
50struct _egl_global
51{
52   mtx_t *Mutex;
53
54   /* the list of all displays */
55   _EGLDisplay *DisplayList;
56
57   _EGLDevice *DeviceList;
58
59   EGLint NumAtExitCalls;
60   void (*AtExitCalls[10])(void);
61
62   /*
63    * Under libglvnd, the client extension string has to be split into two
64    * strings, one for platform extensions, and one for everything else. So,
65    * define separate strings for them. _eglGetClientExtensionString will
66    * concatenate them together for a non-libglvnd build.
67    */
68   const char *ClientOnlyExtensionString;
69   const char *PlatformExtensionString;
70   char *ClientExtensionString;
71
72   EGLDEBUGPROCKHR debugCallback;
73   unsigned int debugTypesEnabled;
74};
75
76
77extern struct _egl_global _eglGlobal;
78
79
80extern void
81_eglAddAtExitCall(void (*func)(void));
82
83static inline unsigned int DebugBitFromType(EGLenum type)
84{
85   assert(type >= EGL_DEBUG_MSG_CRITICAL_KHR && type <= EGL_DEBUG_MSG_INFO_KHR);
86   return (1 << (type - EGL_DEBUG_MSG_CRITICAL_KHR));
87}
88
89extern const char *
90_eglGetClientExtensionString(void);
91
92/**
93 * Perform validity checks on a generic pointer.
94 */
95extern EGLBoolean
96_eglPointerIsDereferencable(void *p);
97
98#endif /* EGLGLOBALS_INCLUDED */
99