~hikiko/nux/arb-srgba-shader

#ifndef NGLOBALINITIALIZER_H

#define NGLOBALINITIALIZER_H

 

#ifdef _WIN32

    #define INL_GLOBAL_OBJECT_INIT_SEQUENCE()                   \

        INL_GLOBAL_OBJECT_VARIABLE(NGlobalData);                \

        INL_GLOBAL_OBJECT_VARIABLE(NCPU);                       \

        INL_GLOBAL_OBJECT_VARIABLE(NProcess);                   \

        INL_GLOBAL_OBJECT_VARIABLE(NNullOutput);                \

        INL_GLOBAL_OBJECT_VARIABLE(NUniqueIndex);               \

        INL_GLOBAL_OBJECT_VARIABLE(NFileManagerWindows);        \

        INL_GLOBAL_OBJECT_VARIABLE(NOutputVisualDebugConsole);  \

        INL_GLOBAL_OBJECT_VARIABLE(NOutputLogFile);             \

        INL_GLOBAL_OBJECT_VARIABLE(NOutputDeviceRedirector);    \

        INL_GLOBAL_OBJECT_VARIABLE(NDefaultMemoryAllocator);    \

        INL_GLOBAL_OBJECT_VARIABLE(MemHook);

 

#elif (defined INL_PS3)

    #define INL_GLOBAL_OBJECT_INIT_SEQUENCE()                   \

        INL_GLOBAL_OBJECT_VARIABLE(NNullOutput);                \

        INL_GLOBAL_OBJECT_VARIABLE(NUniqueIndex);               \

        INL_GLOBAL_OBJECT_VARIABLE(NFileManagerPS3);            \

        INL_GLOBAL_OBJECT_VARIABLE(NOutputLogFile);             \

        INL_GLOBAL_OBJECT_VARIABLE(NOutputDeviceRedirector);    \

        INL_GLOBAL_OBJECT_VARIABLE(NDefaultMemoryAllocator);    \

        INL_GLOBAL_OBJECT_VARIABLE(MemHook);

#elif (defined INL_OS_LINUX)

    #define INL_GLOBAL_OBJECT_INIT_SEQUENCE()                   \

        INL_GLOBAL_OBJECT_VARIABLE(NGlobalData);                \

        INL_GLOBAL_OBJECT_VARIABLE(NNullOutput);                \

        INL_GLOBAL_OBJECT_VARIABLE(NUniqueIndex);               \

        INL_GLOBAL_OBJECT_VARIABLE(NFileManagerGNU);            \

        INL_GLOBAL_OBJECT_VARIABLE(NOutputVisualDebugConsole);  \

        INL_GLOBAL_OBJECT_VARIABLE(NOutputLogFile);             \

        INL_GLOBAL_OBJECT_VARIABLE(NOutputDeviceRedirector);    \

        INL_GLOBAL_OBJECT_VARIABLE(NDefaultMemoryAllocator);    \

        INL_GLOBAL_OBJECT_VARIABLE(MemHook);

#endif

 

NAMESPACE_BEGIN

 

// This class initialize all inalogic singleton (global objects) in order. It also initialize memory allocators.

// Therefore, do not call new NGlobalSingletonInitializer as it will try to call inalogic memory allocator and fail.

// You may use the global placement new operator(it is not overwritten by inalogic) to create NGlobalSingletonInitializer 

// inside the application data space by calling SystemInitializer(). At shutdown, call SystemShutdown()

//       

// You may also create NGlobalSingletonInitializer in this way:

//      main()

//      {

//          NGlobalSingletonInitializer GlobalInitializer;

//      }

//

//

 

class NGlobalSingletonInitializer

{

    INL_DISABLE_OBJECT_COPY(NGlobalSingletonInitializer);

    NGlobalSingletonInitializer* operator & ();

    const NGlobalSingletonInitializer* operator & () const;

 

public:

    NGlobalSingletonInitializer();

    ~NGlobalSingletonInitializer();

 

    static bool Ready();

private:

    static bool m_bGlobalObjectsReady;

 

    INL_GLOBAL_OBJECT_INIT_SEQUENCE();

};

 

// Hide these functions

// extern INL_DLL_ENTRY void SystemStart();

// extern INL_DLL_ENTRY void SystemShutdown();

 

 

 

// Nifty Counter idiom. See http://www-d0.fnal.gov/KAI/doc/tutorials/static_initialization.html

class NGlobalInitializer

{

public:

    NGlobalInitializer();

    ~NGlobalInitializer();

private:

    static int m_Count;

};

 

// Every compilation unit that includes this file will have its own instance of sGlobalInitializer. sGlobalInitializer is initialized

// before the main function of the program is called. The first time sGlobalInitializer is initialized, it calls SystemStart() to create

// our global object singleton. In SystemStart() we have a change to create our singletons in any order we like.

// When the program exits, every instance of sGlobalInitializer will be destroyed. The last instance destroyed will call SystemShutdown().

// In SystemShutdown() we can destroy our global objects in any order we like.

 

static NGlobalInitializer sGlobalInitializer;

 

 

NAMESPACE_END

 

#endif // NGLOBALINITIALIZER_H