117 lines
3.9 KiB
C++
117 lines
3.9 KiB
C++
// Copyright (c) Wojciech Figat. All rights reserved.
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#pragma once
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#if PLATFORM_WEB
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#include "../Unix/UnixPlatform.h"
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#ifdef __EMSCRIPTEN_PTHREADS__
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#include <pthread.h>
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#endif
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/// <summary>
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/// The Web platform implementation and application management utilities.
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/// </summary>
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class FLAXENGINE_API WebPlatform : public UnixPlatform
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{
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public:
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// [UnixPlatform]
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FORCE_INLINE static void MemoryBarrier()
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{
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#ifdef __EMSCRIPTEN_PTHREADS__
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// Fake a fence with an arbitrary atomic operation (from emscripten_atomic_fence to avoid including it for less header bloat)
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uint8 temp = 0;
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__c11_atomic_fetch_or((_Atomic uint8*)&temp, 0, __ATOMIC_SEQ_CST);
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#endif
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}
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FORCE_INLINE static void MemoryPrefetch(void const* ptr)
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{
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__builtin_prefetch(static_cast<char const*>(ptr));
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}
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FORCE_INLINE static int64 InterlockedExchange(int64 volatile* dst, int64 exchange)
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{
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return __sync_lock_test_and_set(dst, exchange);
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}
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FORCE_INLINE static int32 InterlockedCompareExchange(int32 volatile* dst, int32 exchange, int32 comperand)
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{
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return __sync_val_compare_and_swap(dst, comperand, exchange);
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}
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FORCE_INLINE static int64 InterlockedCompareExchange(int64 volatile* dst, int64 exchange, int64 comperand)
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{
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return __sync_val_compare_and_swap(dst, comperand, exchange);
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}
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FORCE_INLINE static int64 InterlockedIncrement(int64 volatile* dst)
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{
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return __sync_add_and_fetch(dst, 1);
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}
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FORCE_INLINE static int64 InterlockedDecrement(int64 volatile* dst)
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{
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return __sync_sub_and_fetch(dst, 1);
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}
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FORCE_INLINE static int64 InterlockedAdd(int64 volatile* dst, int64 value)
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{
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return __sync_fetch_and_add(dst, value);
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}
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FORCE_INLINE static int32 AtomicRead(int32 const volatile* dst)
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{
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int32 result;
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__atomic_load(dst, &result, __ATOMIC_SEQ_CST);
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return result;
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}
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FORCE_INLINE static int64 AtomicRead(int64 const volatile* dst)
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{
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int64 result;
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__atomic_load(dst, &result, __ATOMIC_SEQ_CST);
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return result;
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}
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FORCE_INLINE static void AtomicStore(int32 volatile* dst, int32 value)
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{
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__atomic_store(dst, &value, __ATOMIC_SEQ_CST);
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}
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FORCE_INLINE static void AtomicStore(int64 volatile* dst, int64 value)
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{
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__atomic_store(dst, &value, __ATOMIC_SEQ_CST);
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}
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FORCE_INLINE static uint64 GetCurrentThreadID()
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{
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#ifdef __EMSCRIPTEN_PTHREADS__
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return (uint64)pthread_self();
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#else
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return 0;
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#endif
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}
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static String GetSystemName();
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static Version GetSystemVersion();
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static CPUInfo GetCPUInfo();
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static MemoryStats GetMemoryStats();
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static ProcessMemoryStats GetProcessMemoryStats();
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static void SetThreadPriority(ThreadPriority priority);
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static void SetThreadAffinityMask(uint64 affinityMask);
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static void Sleep(int32 milliseconds);
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static void Yield();
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static double GetTimeSeconds();
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static uint64 GetTimeCycles();
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static void GetSystemTime(int32& year, int32& month, int32& dayOfWeek, int32& day, int32& hour, int32& minute, int32& second, int32& millisecond);
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static void GetUTCTime(int32& year, int32& month, int32& dayOfWeek, int32& day, int32& hour, int32& minute, int32& second, int32& millisecond);
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#if !BUILD_RELEASE
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static void Log(const StringView& msg);
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static bool IsDebuggerPresent();
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#endif
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static String GetComputerName();
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static bool GetHasFocus();
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static String GetMainDirectory();
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static String GetExecutableFilePath();
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static Guid GetUniqueDeviceId();
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static String GetWorkingDirectory();
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static bool SetWorkingDirectory(const String& path);
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static bool Init();
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static void LogInfo();
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static void Tick();
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static void Exit();
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static void* LoadLibrary(const Char* filename);
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static void FreeLibrary(void* handle);
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static void* GetProcAddress(void* handle, const char* symbol);
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};
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#endif
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