1 /**************************************************************************
3 * Copyright 2008 VMware, Inc.
4 * Copyright 2009-2010 Chia-I Wu <olvaffe@gmail.com>
5 * Copyright 2010-2011 LunarG, Inc.
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:
16 * The above copyright notice and this permission notice (including the
17 * next paragraph) shall be included in all copies or substantial portions
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.
28 **************************************************************************/
33 #include "c11/threads.h"
35 #include "eglglobals.h"
36 #include "egldisplay.h"
37 #include "egldriver.h"
40 static mtx_t _eglGlobalMutex
= _MTX_INITIALIZER_NP
;
42 struct _egl_global _eglGlobal
=
44 &_eglGlobalMutex
, /* Mutex */
45 NULL
, /* DisplayList */
46 2, /* NumAtExitCalls */
48 /* default AtExitCalls, called in reverse order */
49 _eglUnloadDrivers
, /* always called last */
53 /* ClientExtensionsString */
54 "EGL_EXT_client_extensions"
55 " EGL_EXT_platform_base"
56 " EGL_EXT_platform_wayland"
57 " EGL_EXT_platform_x11"
58 " EGL_KHR_client_get_all_proc_addresses"
59 " EGL_MESA_platform_gbm"
67 for (i
= _eglGlobal
.NumAtExitCalls
- 1; i
>= 0; i
--)
68 _eglGlobal
.AtExitCalls
[i
]();
73 _eglAddAtExitCall(void (*func
)(void))
76 static EGLBoolean registered
= EGL_FALSE
;
78 mtx_lock(_eglGlobal
.Mutex
);
82 registered
= EGL_TRUE
;
85 assert(_eglGlobal
.NumAtExitCalls
< ARRAY_SIZE(_eglGlobal
.AtExitCalls
));
86 _eglGlobal
.AtExitCalls
[_eglGlobal
.NumAtExitCalls
++] = func
;
88 mtx_unlock(_eglGlobal
.Mutex
);