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      1 /**************************************************************************
      2  *
      3  * Copyright 2008 VMware, Inc.
      4  * Copyright 2009-2010 Chia-I Wu <olvaffe (at) 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    const char *ClientExtensionString;
     61 
     62    EGLDEBUGPROCKHR debugCallback;
     63    unsigned int debugTypesEnabled;
     64 };
     65 
     66 
     67 extern struct _egl_global _eglGlobal;
     68 
     69 
     70 extern void
     71 _eglAddAtExitCall(void (*func)(void));
     72 
     73 static inline unsigned int DebugBitFromType(EGLenum type)
     74 {
     75    assert(type >= EGL_DEBUG_MSG_CRITICAL_KHR && type <= EGL_DEBUG_MSG_INFO_KHR);
     76    return (1 << (type - EGL_DEBUG_MSG_CRITICAL_KHR));
     77 }
     78 
     79 #endif /* EGLGLOBALS_INCLUDED */
     80