113 lines
3.4 KiB
C++
113 lines
3.4 KiB
C++
/****************************************************************************
|
|
* VCGLib o o *
|
|
* Visual and Computer Graphics Library o o *
|
|
* _ O _ *
|
|
* Copyright(C) 2004 \/)\/ *
|
|
* Visual Computing Lab /\/| *
|
|
* ISTI - Italian National Research Council | *
|
|
* \ *
|
|
* All rights reserved. *
|
|
* *
|
|
* This program is free software; you can redistribute it and/or modify *
|
|
* it under the terms of the GNU General Public License as published by *
|
|
* the Free Software Foundation; either version 2 of the License, or *
|
|
* (at your option) any later version. *
|
|
* *
|
|
* This program is distributed in the hope that it will be useful, *
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
|
|
* GNU General Public License (http://www.gnu.org/licenses/gpl.txt) *
|
|
* for more details. *
|
|
* *
|
|
****************************************************************************/
|
|
/****************************************************************************
|
|
History
|
|
|
|
$Log: not supported by cvs2svn $
|
|
Revision 1.3 2004/07/20 14:03:47 ponchio
|
|
Changed interface.
|
|
|
|
Revision 1.2 2004/07/05 15:49:39 ponchio
|
|
Windows (DevCpp, mingw) port.
|
|
|
|
Revision 1.1 2004/07/01 21:38:30 ponchio
|
|
First draft created.
|
|
|
|
|
|
****************************************************************************/
|
|
#include "stopwatch.h"
|
|
|
|
#ifdef WIN32
|
|
StopWatch::StopWatch(): elapsed(0) {
|
|
QueryPerformanceFrequency(&freq);
|
|
}
|
|
|
|
|
|
double StopWatch::Start(void) {
|
|
QueryPerformanceCounter(&tstart);
|
|
return elapsed;
|
|
}
|
|
|
|
double StopWatch::Pause() {
|
|
QueryPerformanceCounter(&tend);
|
|
elapsed += Diff();
|
|
return elapsed;
|
|
}
|
|
|
|
double StopWatch::Elapsed() {
|
|
QueryPerformanceCounter(&tend);
|
|
return elapsed + Diff();
|
|
}
|
|
|
|
double StopWatch::Diff() {
|
|
return ((double)tend.QuadPart -
|
|
(double)tstart.QuadPart)/
|
|
((double)freq.QuadPart);
|
|
}
|
|
|
|
#else
|
|
|
|
StopWatch::StopWatch(): elapsed() {}
|
|
|
|
double StopWatch::Start() {
|
|
gettimeofday(&tstart, &tz);
|
|
return elapsed;
|
|
}
|
|
|
|
double StopWatch::Pause() {
|
|
gettimeofday(&tend, &tz);
|
|
elapsed += Diff();
|
|
return elapsed;
|
|
}
|
|
|
|
double StopWatch::Elapsed() {
|
|
gettimeofday(&tend, &tz);
|
|
return elapsed + Diff();
|
|
}
|
|
|
|
double StopWatch::Diff() {
|
|
double t1 = (double)tstart.tv_sec + (double)tstart.tv_usec/(1000*1000);
|
|
double t2 = (double)tend.tv_sec + (double)tend.tv_usec/(1000*1000);
|
|
return t2 - t1;
|
|
}
|
|
#endif
|
|
|
|
void StopWatch::Restart(void) {
|
|
elapsed = 0;
|
|
Start();
|
|
}
|
|
|
|
void StopWatch::Reset() {
|
|
elapsed = 0;
|
|
}
|
|
|
|
int StopWatch::Usec() {
|
|
#ifdef WIN32
|
|
return 0;
|
|
#else
|
|
struct timeval ttime;
|
|
gettimeofday(&ttime, &tz);
|
|
return ttime.tv_usec;
|
|
#endif
|
|
}
|