GxMemory.h

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//===========================================================================
//===========================================================================
#pragma once
 
GX_CORE_NAMESPACE_BEGIN()
 
//===========================================================================
//  低レベルのメモリ確保 (一般的には malloc()) API のラッパーです。
//  メモリ確保は各種アロケータから行われるべきであり、特別な理由が無い限り
//  この関数を使用するべきでは無い。
//===========================================================================
class GxMemory
{
    //-----------------------------------------------------------
    //-----------------------------------------------------------
public:
    enum class TYPE
    {
        VIRTUAL,                
#if defined(_NX64)
        PHYSICAL,               
#elif defined(_PS4)
        WB_ONION,               
        WC_GARLIC,              
#elif defined(_PS5)
        C,                      
        C_SHARED,               
#endif //_PS5
        UNKNOWN,                
        MAX,                    
    };
#if GX_DEVELOP
    GX_ENUM_TABLE_MAX(TYPE)
#endif //GX_DEVELOP
 
    enum ALIGNMENT
    {
        _4      = GxMath::VALUE_4,              
        _8      = GxMath::VALUE_8,              
        _16     = GxMath::VALUE_16,             
        _32     = GxMath::VALUE_32,             
        _64     = GxMath::VALUE_64,             
        _128    = GxMath::VALUE_128,            
        _256    = GxMath::VALUE_256,            
        _512    = GxMath::VALUE_512,            
        _1K     = GxMath::VALUE_1K,             
        _2K     = GxMath::VALUE_2K,             
        _4K     = GxMath::VALUE_4K,             
        _8K     = GxMath::VALUE_8K,             
        _16K    = GxMath::VALUE_16K,            
        _32K    = GxMath::VALUE_32K,            
        _64K    = GxMath::VALUE_64K,            
        _128K   = GxMath::VALUE_128K,           
        _256K   = GxMath::VALUE_256K,           
        _512K   = GxMath::VALUE_512K,           
        _1M     = GxMath::VALUE_1M              
    };
 
    //-----------------------------------------------------------
    //-----------------------------------------------------------
 
private:
    GxMemory(void) {}
    ~GxMemory(void) {}
 
    //-----------------------------------------------------------
    //-----------------------------------------------------------
 
public:
    static void* allocateMemory(TYPE type, size_t size, ALIGNMENT alignment = ALIGNMENT::_16);
    static void  freeMemory(TYPE type, void* pAddress);
    static u64 getAvailableSize(void);
#if GX_DEVELOP
    static void  printMemoryInformation(void);
#endif  // GX_DEVELOP
 
    static void memsetFast(void* pDst, u32 value, size_t size);
    static void memsetFast4(void* pDst, u32 value, size_t size);
    static void memsetFast16(void* pDst, u32 value, size_t size);
 
    static void memcpyFast(void* pDst, const void* pSrc, size_t size);
    static void memcpyFast4(void* pDst, const void* pSrc, size_t size);
    static void memcpyFast16(void* pDst, const void* pSrc, size_t size);
 
    static s32 memcmpFast(const void* pPtr1, const void* pPtr2, size_t size);
    static s32 memcmpFast4(const void* pPtr1, const void* pPtr2, size_t size);
    static s32 memcmpFast16(const void* pPtr1, const void* pPtr2, size_t size);
 
    //-----------------------------------------------------------
    //-----------------------------------------------------------
private:
    static GxCriticalSection _criticalSection;              
 
};
 
GX_CORE_NAMESPACE_END()