4442a826ed
update AntTweakBar version in CDTestFramework add btCompoundShape support in BulletXmlWorldImporter (this importer is still premature/work-in-progress)
57 lines
2.0 KiB
C++
57 lines
2.0 KiB
C++
// ---------------------------------------------------------------------------
|
|
//
|
|
// @file AntPerfTimer.h
|
|
// @brief A performance (precision) timer for benchs
|
|
// @author Philippe Decaudin - http://www.antisphere.com
|
|
// @license This file is part of the AntTweakBar library.
|
|
// For conditions of distribution and use, see License.txt
|
|
//
|
|
// note: No cpp file is needed, everything is defined in this header
|
|
//
|
|
// ---------------------------------------------------------------------------
|
|
|
|
#if !defined ANT_PERF_TIMER_INCLUDED
|
|
#define ANT_PERF_TIMER_INCLUDED
|
|
|
|
#ifndef __cplusplus
|
|
# error This is a C++ header
|
|
#endif // __cplusplus
|
|
|
|
|
|
#if defined(WIN32) || defined(WIN64) || defined(_WIN32) || defined(_WIN64)
|
|
|
|
#include <windows.h>
|
|
#include <tchar.h>
|
|
|
|
struct PerfTimer
|
|
{
|
|
inline PerfTimer() { if( !QueryPerformanceFrequency(&Freq) ) MessageBox(NULL, _T("Precision timer not supported"), _T("Problem"), MB_ICONEXCLAMATION); Reset(); }
|
|
inline void Reset() { QueryPerformanceCounter(&Start); }
|
|
inline double GetTime() { if( QueryPerformanceCounter(&End) ) return ((double)End.QuadPart - (double)Start.QuadPart)/((double)Freq.QuadPart); else return 0; }
|
|
protected:
|
|
LARGE_INTEGER Start, End, Freq;
|
|
};
|
|
|
|
#else // !_WIN (-> LINUX)
|
|
|
|
#include <sys/time.h>
|
|
#include <unistd.h>
|
|
|
|
struct PerfTimer
|
|
{
|
|
inline PerfTimer() { Reset(); }
|
|
inline void Reset() { gettimeofday(&Start, &TZ); }
|
|
inline double GetTime() { gettimeofday(&End,&TZ);
|
|
double t1 = (double)Start.tv_sec + (double)Start.tv_usec/(1000*1000);
|
|
double t2 = (double)End.tv_sec + (double)End.tv_usec/(1000*1000);
|
|
return t2-t1; }
|
|
protected:
|
|
struct timeval Start, End;
|
|
struct timezone TZ;
|
|
};
|
|
|
|
#endif // _WIN
|
|
|
|
|
|
#endif // ANT_PERF_TIMER_INCLUDED
|