genesis-3d_engine/Engine/foundation/debug/debugtimer.cc

/****************************************************************************
Copyright (c) 2008, Radon Labs GmbH
Copyright (c) 2011-2013,WebJet Business Division,CYOU
 
http://www.genesis-3d.com.cn

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****************************************************************************/

#include "stdneb.h"
#include "debug/debugtimer.h"
#include "debug/debugserver.h"

namespace Debug
{
__ImplementClass(Debug::DebugTimer, 'DBGT', Core::RefCounted);

using namespace Util;

//------------------------------------------------------------------------------
/**
*/
DebugTimer::DebugTimer() :
    accumTime(0.0),
    startTime(0.0),
    resultTime(0.0),
    history(128)
{
    // empty
}

//------------------------------------------------------------------------------
/**
*/
DebugTimer::~DebugTimer()
{
    // we may need de-construct if the critical section is still taken
    this->critSect.Enter();
    n_assert(!this->IsValid());
    this->critSect.Leave();
}

//------------------------------------------------------------------------------
/**
*/
void
DebugTimer::Setup(const StringAtom& timerName)
{
    n_assert(timerName.IsValid());
    n_assert(!this->IsValid());

    this->critSect.Enter();
    this->name = timerName;
    this->history.Reset();
    this->timer.Reset();
    this->critSect.Leave();

    DebugServer::Instance()->RegisterDebugTimer(this);
}

//------------------------------------------------------------------------------
/**
*/
void
DebugTimer::Discard()
{
    n_assert(this->IsValid());
    DebugServer::Instance()->UnregisterDebugTimer(this);

    this->critSect.Enter();
    this->history.Reset();
    this->timer.Reset();
    this->name.Clear();
    this->critSect.Leave();
}
        
//------------------------------------------------------------------------------
/**
*/
Timing::Time
DebugTimer::GetSample() const
{
    Timing::Time time = 0.0;
    this->critSect.Enter();
    if (!this->history.IsEmpty())
    {
        time = this->history.Back();
    }
    this->critSect.Leave();
    return time;
}

//------------------------------------------------------------------------------
/**
*/
Array<Timing::Time>
DebugTimer::GetHistory() const
{
    this->critSect.Enter();
    Array<Timing::Time> result = this->history.AsArray();
    this->critSect.Leave();
    return result;
}

//------------------------------------------------------------------------------
/**
*/
GPtr<DebugTimer>
DebugTimer::CreateAsSingleton(const Util::StringAtom& timerName)
{
    GPtr<DebugTimer> timerPtr = DebugServer::Instance()->GetDebugTimerByName(timerName);
    if (!timerPtr.isvalid())
    {
        timerPtr = DebugTimer::Create();
        timerPtr->Setup(timerName);
    }
    return timerPtr;
}

//------------------------------------------------------------------------------
/**
*/
void 
DebugTimer::DestroySingleton(const Util::StringAtom& timerName)
{
    GPtr<DebugTimer> timerPtr = DebugServer::Instance()->GetDebugTimerByName(timerName);
    if (timerPtr.isvalid())
    {
        timerPtr->Discard();        
    }
}
} // namespace Debug