Files
FlaxEngine/Source/Engine/Platform/Win32/Win32Platform.h
2024-04-13 21:44:16 +02:00

120 lines
3.8 KiB
C++

// Copyright (c) 2012-2024 Wojciech Figat. All rights reserved.
#pragma once
#if PLATFORM_WIN32
#include "Engine/Platform/Base/PlatformBase.h"
#if _MSC_VER <= 1900
#include <intrin.h>
#else
#include <intrin0.h>
#endif
extern "C" __declspec(dllimport) unsigned long __stdcall GetCurrentThreadId(void);
/// <summary>
/// The Win32 platform implementation and application management utilities.
/// </summary>
class FLAXENGINE_API Win32Platform : public PlatformBase
{
public:
// [PlatformBase]
static bool Init();
static void Exit();
static void MemoryBarrier();
static int64 InterlockedExchange(int64 volatile* dst, int64 exchange)
{
#if WIN64
return _InterlockedExchange64(dst, exchange);
#else
return _interlockedexchange64(dst, exchange);
#endif
}
static int32 InterlockedCompareExchange(int32 volatile* dst, int32 exchange, int32 comperand)
{
return _InterlockedCompareExchange((long volatile*)dst, exchange, comperand);
}
static int64 InterlockedCompareExchange(int64 volatile* dst, int64 exchange, int64 comperand)
{
return _InterlockedCompareExchange64(dst, exchange, comperand);
}
static int64 InterlockedIncrement(int64 volatile* dst)
{
#if WIN64
return _InterlockedExchangeAdd64(dst, 1) + 1;
#else
return _interlockedexchange64(dst, 1) + 1;
#endif
}
static int64 InterlockedDecrement(int64 volatile* dst)
{
#if WIN64
return _InterlockedExchangeAdd64(dst, -1) - 1;
#else
return _interlockedexchangeadd64(dst, -1) - 1;
#endif
}
static int64 InterlockedAdd(int64 volatile* dst, int64 value)
{
#if WIN64
return _InterlockedExchangeAdd64(dst, value);
#else
return _interlockedexchangeadd64(dst, value);
#endif
}
static int32 AtomicRead(int32 const volatile* dst)
{
return (int32)_InterlockedCompareExchange((long volatile*)dst, 0, 0);
}
static int64 AtomicRead(int64 const volatile* dst)
{
return _InterlockedCompareExchange64((int64 volatile*)dst, 0, 0);
}
static void AtomicStore(int32 volatile* dst, int32 value)
{
_InterlockedExchange((long volatile*)dst, value);
}
static void AtomicStore(int64 volatile* dst, int64 value)
{
#if WIN64
_InterlockedExchange64(dst, value);
#else
_interlockedexchange64(dst, value);
#endif
}
static void Prefetch(void const* ptr);
static void* Allocate(uint64 size, uint64 alignment);
static void Free(void* ptr);
static void* AllocatePages(uint64 numPages, uint64 pageSize);
static void FreePages(void* ptr);
static bool Is64BitPlatform();
static CPUInfo GetCPUInfo();
static int32 GetCacheLineSize();
static MemoryStats GetMemoryStats();
static ProcessMemoryStats GetProcessMemoryStats();
static uint64 GetCurrentProcessId();
static uint64 GetCurrentThreadID()
{
return GetCurrentThreadId();
}
static void SetThreadPriority(ThreadPriority priority);
static void SetThreadAffinityMask(uint64 affinityMask);
static void Sleep(int32 milliseconds);
static double GetTimeSeconds();
static uint64 GetTimeCycles();
static uint64 GetClockFrequency();
static void GetSystemTime(int32& year, int32& month, int32& dayOfWeek, int32& day, int32& hour, int32& minute, int32& second, int32& millisecond);
static void GetUTCTime(int32& year, int32& month, int32& dayOfWeek, int32& day, int32& hour, int32& minute, int32& second, int32& millisecond);
static void CreateGuid(Guid& result);
static String GetMainDirectory();
static String GetExecutableFilePath();
static Guid GetUniqueDeviceId();
static String GetWorkingDirectory();
static bool SetWorkingDirectory(const String& path);
static void FreeLibrary(void* handle);
static void* GetProcAddress(void* handle, const char* symbol);
};
#endif