prime/include/Kyoto/Basics/CStopwatch.hpp

56 lines
1.2 KiB
C++

#ifndef _CSTOPWATCH_HPP
#define _CSTOPWATCH_HPP
#include "types.h"
#include "dolphin/os.h"
class CStopwatch {
public:
class CSWData {
public:
CSWData()
: x0_timerFreq(0)
, x8_timerFreqO1M(0)
, x10_timerPeriod(0.f) {}
bool Initialize();
void Wait(f32) const;
s64 GetTimerFreq() const { return x0_timerFreq; }
s64 GetTimerFreqO1M() const { return x8_timerFreqO1M; }
f32 GetTimerPeriod() const { return x10_timerPeriod; }
s64 GetCPUCycles() const { return OSGetTime(); }
private:
s64 x0_timerFreq;
s64 x8_timerFreqO1M;
f32 x10_timerPeriod;
};
CStopwatch() : x0_startTime(mData.GetCPUCycles()) {}
static bool InitGlobalTimer();
static CStopwatch& GetGlobalTimerObj();
inline void Reset() {
if (mData.GetTimerFreq() == 0) {
mData.Initialize();
}
x0_startTime = mData.GetCPUCycles();
}
inline f32 GetElapsedTime() const {
return (mData.GetCPUCycles() - x0_startTime) * mData.GetTimerPeriod();
}
inline s64 GetElapsedMicros() const {
return (mData.GetCPUCycles() - x0_startTime) / mData.GetTimerFreqO1M();
}
static void Wait(f32);
private:
static CSWData mData;
static CStopwatch mGlobalTimer;
s64 x0_startTime;
};
#endif