forked from 0ad/0ad
51 lines
761 B
C++
51 lines
761 B
C++
#include "stdafx.h"
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#include "HighResTimer.h"
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// TODO: Better accuracy and reliability, if necessary.
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#ifdef __WXMSW__
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HighResTimer::HighResTimer()
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{
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LARGE_INTEGER freq;
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BOOL ok = QueryPerformanceFrequency(&freq);
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if (! ok)
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{
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wxLogError(_("QPF failed!"));
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}
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else
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{
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m_TickLength = freq.QuadPart;
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}
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}
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double HighResTimer::GetTime()
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{
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LARGE_INTEGER count;
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BOOL ok = QueryPerformanceCounter(&count);
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if (! ok)
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{
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wxLogError(_("QPC failed!"));
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return 0.0;
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}
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return (double)count.QuadPart / (double)m_TickLength.GetValue();
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}
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#else // not __WXMSW__ :
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#include <sys/time.h>
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HighResTimer::HighResTimer()
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{
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}
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double HighResTimer::GetTime()
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{
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struct timeval tv;
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gettimeofday(&tv, NULL);
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return tv.tv_sec+(tv.tv_usec/1000000.0);
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}
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#endif
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