Stopwatch.h

Go to the documentation of this file.

 
#pragma once
#include "Platform.h"
 
#if defined(MANA_TARGET_WINDOWS)
#define NOMINMAX
#include <windows.h>
#elif defined(MANA_TARGET_APPLE)
#include <sys/time.h>
#else
#include <sys/time.h>
#endif
 
namespace mana
{
    [[nodiscard]] inline uint64_t GetMicroSecond()
    {
#if defined(MANA_TARGET_WINDOWS)
        LARGE_INTEGER frequency, counter;
 
        if (!QueryPerformanceFrequency(&frequency) || !QueryPerformanceCounter(&counter))
            return 0;
 
        return static_cast<uint64_t>(counter.QuadPart * 1000000 / frequency.QuadPart);
#else
        struct timeval current;
        return (gettimeofday(&current, nullptr) == 0) ? current.tv_usec : 0;
#endif
    }
 
    [[nodiscard]] inline float_t GetSecond()
    {
        return static_cast<float_t>(GetMicroSecond()) / static_cast<float_t>(1000000);
    }
}