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Exzap 2022-08-22 22:21:23 +02:00
parent e3db07a16a
commit d60742f52b
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34
src/util/highresolutiontimer/HighResolutionTimer.cpp Normal file
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#include "util/highresolutiontimer/HighResolutionTimer.h"
#include "Common/precompiled.h"
HighResolutionTimer HighResolutionTimer::now()
{
#if BOOST_OS_WINDOWS
LARGE_INTEGER pc;
QueryPerformanceCounter(&pc);
return HighResolutionTimer(pc.QuadPart);
#else
timespec pc;
clock_gettime(CLOCK_MONOTONIC, &pc);
uint64 nsec = (uint64)pc.tv_sec * (uint64)1000000000 + (uint64)pc.tv_nsec;
return HighResolutionTimer(nsec);
#endif
}
HRTick HighResolutionTimer::getFrequency()
{
return m_freq;
}
uint64 HighResolutionTimer::m_freq = []() -> uint64 {
#if BOOST_OS_WINDOWS
LARGE_INTEGER freq;
QueryPerformanceFrequency(&freq);
return (uint64)(freq.QuadPart);
#else
timespec pc;
clock_getres(CLOCK_MONOTONIC, &pc);
return (uint64)1000000000 / (uint64)pc.tv_nsec;
#endif
}();