0ad/source/tools/atlas/AtlasUI/CustomControls/HighResTimer/HighResTimer.cpp

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#include "stdafx.h"
#include "HighResTimer.h"
// TODO: Portability and general betterness. (But it's good enough for now.)
HighResTimer::HighResTimer()
{
LARGE_INTEGER freq;
BOOL ok = QueryPerformanceFrequency(&freq);
if (! ok)
{
wxLogError(_("QPF failed!"));
}
else
{
m_TickLength = freq.QuadPart;
}
}
double HighResTimer::GetTime()
{
LARGE_INTEGER count;
BOOL ok = QueryPerformanceCounter(&count);
if (! ok)
{
wxLogError(_("QPC failed!"));
return 0.0;
}
return (double)count.QuadPart / (double)m_TickLength.GetValue();
}