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std::chrono-ize hsTimer.

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This commit is contained in:
Darryl Pogue
2014-05-11 16:31:07 -07:00
parent 6fb7090eed
commit 5b0652cb7e
2 changed files with 81 additions and 212 deletions
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174
Sources/Plasma/NucleusLib/pnTimer/hsTimer.cpp
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@ -41,10 +41,12 @@ You can contact Cyan Worlds, Inc. by email legal@cyan.com
*==LICENSE==*/
#include "hsTimer.h"
#include "HeadSpin.h"
#include "hsWindows.h"
#include "plTweak.h"
typedef std::chrono::duration<double> dSeconds;
typedef std::chrono::duration<double, std::milli> dMilliseconds;
//
// plTimerShare - the actual worker. All process spaces should share a single
// plTimerShare to keep time synchronized across spaces.
@ -71,45 +73,12 @@ plTimerShare::~plTimerShare()
double plTimerShare::GetSeconds() const
{
hsWide ticks;
return hsTimer::GetRawTicks(&ticks)->AsDouble() / hsTimer::GetRawBase().AsDouble();
return dSeconds(GetRawTicks()).count();
}
double plTimerShare::GetMilliSeconds() const
{
return GetSeconds() * 1.e3;
}
hsWide plTimerShare::DSecondsToRawTicks(double secs)
{
hsWide retVal;
double ticks = secs * hsTimer::GetRawBase().AsDouble();
double hi = ticks / double(65536) / double(65536);
ticks -= hi;
retVal.fHi = int32_t(hi);
retVal.fLo = int32_t(ticks);
return retVal;
}
double plTimerShare::RawTicksToDSeconds(const hsWide& ticks)
{
return ticks.AsDouble() / hsTimer::GetRawBase().AsDouble();
}
inline hsWide* plTimerShare::FactorInTimeZero(hsWide* ticks) const
{
if( fFirstTime )
{
fFirstTime = false;
fRawTimeZero = *ticks;
ticks->Set(0, 0);
}
else
{
ticks->Sub(&fRawTimeZero);
}
return ticks;
return dMilliseconds(GetRawTicks()).count();
}
double plTimerShare::IncSysSeconds()
@ -198,157 +167,66 @@ double plTimerShare::IncSysSeconds()
}
void plTimerShare::SetRealTime(bool realTime)
{
fRunningFrameTime = !realTime;
if( realTime )
{
fRunningFrameTime = !realTime;
if (realTime)
{
fRealSeconds = GetSeconds();
}
}
#if HS_BUILD_FOR_WIN32
hsWide* plTimerShare::GetRawTicks(hsWide* ticks) const
plTimerShare::Duration plTimerShare::GetRawTicks() const
{
LARGE_INTEGER large;
plTimerShare::TimePoint tp = Clock::now();
if (::QueryPerformanceCounter(&large))
{
ticks->Set(large.HighPart, large.LowPart);
if (fFirstTime)
{
fFirstTime = false;
fRawTimeZero = tp;
return plTimerShare::Duration(0);
}
else
{
ticks->Set(0, ::GetTickCount());
return plTimerShare::Duration(tp - fRawTimeZero);
}
return FactorInTimeZero(ticks);
}
hsWide hsTimer::IInitRawBase()
{
hsWide base;
LARGE_INTEGER large;
if (::QueryPerformanceFrequency(&large))
base.Set(large.HighPart, large.LowPart);
else
base.Set(0, 1000);
return base;
}
#elif HS_BUILD_FOR_UNIX
#include <sys/time.h>
#define kMicroSecondsUnit 1000000
static uint32_t gBaseTime = 0;
hsWide* plTimerShare::GetRawTicks(hsWide* ticks) const
{
timeval tv;
(void)::gettimeofday(&tv, nil);
if (gBaseTime == 0)
gBaseTime = tv.tv_sec;
ticks->Mul(tv.tv_sec - gBaseTime, kMicroSecondsUnit)->Add(tv.tv_usec);
return ticks;
}
hsWide hsTimer::IInitRawBase()
{
hsWide base;
base.Set(0, kMicroSecondsUnit);
return base;
}
#endif
//
//
// hsTimer - thin static interface to plTimerShare. Also keeps a couple of
// constants.
//
static plTimerShare staticTimer;
plTimerShare* hsTimer::fTimer = &staticTimer; // until overridden.
const double hsTimer::fPrecTicksPerSec = hsTimer::GetPrecTicksPerSec();
const hsWide hsTimer::fRawBase = hsTimer::IInitRawBase();
static plTimerShare staticTimer;
plTimerShare* hsTimer::fTimer = &staticTimer; // until overridden.
void hsTimer::SetTheTimer(plTimerShare* timer)
{
fTimer = timer;
}
///////////////////////////
// Precision timer routines
// These remain as statics
// since they are stateless
// anyway.
///////////////////////////
double hsTimer::GetPrecTicksPerSec()
{
#if HS_BUILD_FOR_WIN32
LARGE_INTEGER freq;
if( !QueryPerformanceFrequency(&freq) )
{
return 1000.f;
}
return ((double) freq.LowPart);
#endif
return 1;
return double(plTimerShare::Clock::period::num) /
double(plTimerShare::Clock::period::den);
}
uint32_t hsTimer::GetPrecTickCount()
{
#if HS_BUILD_FOR_WIN32
LARGE_INTEGER ti;
if( !QueryPerformanceCounter(&ti) )
return GetTickCount();
return uint32_t(plTimerShare::Clock::now().time_since_epoch().count());
}
return ti.LowPart;
#else
return 1;
#endif
}
uint32_t hsTimer::PrecSecsToTicks(float secs)
{
return (uint32_t)(((double)secs) * fPrecTicksPerSec);
}
double hsTimer::PrecTicksToSecs(uint32_t ticks)
{
return ((double)ticks) / fPrecTicksPerSec;
}
double hsTimer::PrecTicksToHz(uint32_t ticks)
{
return fPrecTicksPerSec / ((double)ticks);
return dSeconds(plTimerShare::Duration(ticks)).count();
}
uint64_t hsTimer::GetFullTickCount()
{
#if HS_BUILD_FOR_WIN32
LARGE_INTEGER ticks;
QueryPerformanceCounter(&ticks);
return ticks.QuadPart;
#else
return 0;
#endif
return uint64_t(plTimerShare::Clock::now().time_since_epoch().count());
}
float hsTimer::FullTicksToMs(uint64_t ticks)
{
#ifdef HS_BUILD_FOR_WIN32
static uint64_t ticksPerTenthMs = 0;
if (ticksPerTenthMs == 0)
{
LARGE_INTEGER perfFreq;
QueryPerformanceFrequency(&perfFreq);
ticksPerTenthMs = perfFreq.QuadPart / 10000;
}
return float(ticks / ticksPerTenthMs) / 10.f;
#else
return 0.f;
#endif
return float(dMilliseconds(plTimerShare::Duration(ticks)).count());
}