You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
43 lines
810 B
43 lines
810 B
//========= Copyright Valve Corporation, All rights reserved. ============//
|
|
//
|
|
// Purpose:
|
|
//
|
|
// $NoKeywords: $
|
|
//=============================================================================//
|
|
|
|
#include <stdafx.h>
|
|
|
|
static double beginTime;
|
|
|
|
|
|
double I_FloatTime( void )
|
|
{
|
|
static double freq = 0.0;
|
|
static __int64 firstCount;
|
|
__int64 curCount;
|
|
|
|
if (freq == 0.0)
|
|
{
|
|
__int64 perfFreq;
|
|
QueryPerformanceFrequency( (LARGE_INTEGER*)&perfFreq );
|
|
QueryPerformanceCounter( (LARGE_INTEGER*)&firstCount );
|
|
freq = 1.0 / (double)perfFreq;
|
|
}
|
|
|
|
QueryPerformanceCounter ( (LARGE_INTEGER*)&curCount );
|
|
curCount -= firstCount;
|
|
double time = (double)curCount * freq;
|
|
return time;
|
|
}
|
|
|
|
|
|
void I_BeginTime( void )
|
|
{
|
|
beginTime = I_FloatTime();
|
|
}
|
|
|
|
|
|
double I_EndTime( void )
|
|
{
|
|
return ( I_FloatTime() - beginTime );
|
|
}
|