/************************************************************************** * * Copyright 2008 VMware, Inc. * Copyright 2009-2010 Chia-I Wu * Copyright 2010-2011 LunarG, Inc. * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sub license, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice (including the * next paragraph) shall be included in all copies or substantial portions * of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. * **************************************************************************/ #include #include #include "eglglobals.h" #include "egldisplay.h" #include "egldriver.h" #include "eglmutex.h" static _EGLMutex _eglGlobalMutex = _EGL_MUTEX_INITIALIZER; struct _egl_global _eglGlobal = { &_eglGlobalMutex, /* Mutex */ NULL, /* DisplayList */ 2, /* NumAtExitCalls */ { /* default AtExitCalls, called in reverse order */ _eglUnloadDrivers, /* always called last */ _eglFiniDisplay }, /* ClientExtensions */ { true, /* EGL_EXT_client_extensions */ true, /* EGL_EXT_platform_base */ true, /* EGL_EXT_platform_x11 */ true, /* EGL_EXT_platform_wayland */ true /* EGL_MESA_platform_gbm */ }, /* ClientExtensionsString */ "EGL_EXT_client_extensions" " EGL_EXT_platform_base" " EGL_EXT_platform_x11" " EGL_EXT_platform_wayland" " EGL_MESA_platform_gbm" }; static void _eglAtExit(void) { EGLint i; for (i = _eglGlobal.NumAtExitCalls - 1; i >= 0; i--) _eglGlobal.AtExitCalls[i](); } void _eglAddAtExitCall(void (*func)(void)) { if (func) { static EGLBoolean registered = EGL_FALSE; _eglLockMutex(_eglGlobal.Mutex); if (!registered) { atexit(_eglAtExit); registered = EGL_TRUE; } assert(_eglGlobal.NumAtExitCalls < ARRAY_SIZE(_eglGlobal.AtExitCalls)); _eglGlobal.AtExitCalls[_eglGlobal.NumAtExitCalls++] = func; _eglUnlockMutex(_eglGlobal.Mutex); } }