mirror of
https://github.com/JGRennison/OpenTTD-patches.git
synced 2024-10-31 15:20:10 +00:00
83 lines
1.7 KiB
C++
83 lines
1.7 KiB
C++
/* $Id$ */
|
|
|
|
/*
|
|
* This file is part of OpenTTD.
|
|
* OpenTTD 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, version 2.
|
|
* OpenTTD 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 for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
/** @file pf_performance_timer.hpp Performance timer for pathfinders. */
|
|
|
|
#ifndef PF_PERFORMANCE_TIMER_HPP
|
|
#define PF_PERFORMANCE_TIMER_HPP
|
|
|
|
#include "../debug.h"
|
|
|
|
struct CPerformanceTimer
|
|
{
|
|
int64 m_start;
|
|
int64 m_acc;
|
|
|
|
CPerformanceTimer() : m_start(0), m_acc(0) {}
|
|
|
|
inline void Start()
|
|
{
|
|
m_start = QueryTime();
|
|
}
|
|
|
|
inline void Stop()
|
|
{
|
|
m_acc += QueryTime() - m_start;
|
|
}
|
|
|
|
inline int Get(int64 coef)
|
|
{
|
|
return (int)(m_acc * coef / QueryFrequency());
|
|
}
|
|
|
|
inline int64 QueryTime()
|
|
{
|
|
return ottd_rdtsc();
|
|
}
|
|
|
|
inline int64 QueryFrequency()
|
|
{
|
|
return ((int64)2200 * 1000000);
|
|
}
|
|
};
|
|
|
|
struct CPerfStartReal
|
|
{
|
|
CPerformanceTimer *m_pperf;
|
|
|
|
inline CPerfStartReal(CPerformanceTimer& perf) : m_pperf(&perf)
|
|
{
|
|
if (m_pperf != nullptr) m_pperf->Start();
|
|
}
|
|
|
|
inline ~CPerfStartReal()
|
|
{
|
|
Stop();
|
|
}
|
|
|
|
inline void Stop()
|
|
{
|
|
if (m_pperf != nullptr) {
|
|
m_pperf->Stop();
|
|
m_pperf = nullptr;
|
|
}
|
|
}
|
|
};
|
|
|
|
struct CPerfStartFake
|
|
{
|
|
inline CPerfStartFake(CPerformanceTimer& perf) {}
|
|
inline ~CPerfStartFake() {}
|
|
inline void Stop() {}
|
|
};
|
|
|
|
typedef CPerfStartFake CPerfStart;
|
|
|
|
#endif /* PF_PERFORMANCE_TIMER_HPP */
|