void VRSDClient::HandleScriptEventForProfiling(VRSDScriptEvent* pScriptEvent)
{
if(!pScriptEvent)
return;
const char* pFileName = pScriptEvent->pFileName ? pScriptEvent->pFileName : "";
const char* pFunctionName = pScriptEvent->pFunctionName ? pScriptEvent->pFunctionName : "";
int iLineDefined = pScriptEvent->iLineDefined;
// Note: This code is not very memory friendly..
if(pScriptEvent->eEventType == VRSDScriptEvent::EVENT_ENTER_FUNCTION)
{
m_pProfilingStack->Push(new VRSDProfilingSample(pFileName, pFunctionName, pScriptEvent->iLineDefined));
}
else if(pScriptEvent->eEventType == VRSDScriptEvent::EVENT_LEAVE_FUNCTION)
{
// safe guard
if(!m_pProfilingStack->IsEmpty())
{
uint64 uiStopTime = VGLGetTimer();
VRSDProfilingSample* pSample = m_pProfilingStack->Pop();
uint64 uiTimeTaken = uiStopTime - pSample->m_uiStartTime;
// Store the profiling information
UpdateProfilingInformation(pFileName, iLineDefined == -1 ? "(native)" : pFunctionName, iLineDefined, uiTimeTaken);
V_SAFE_DELETE(pSample);
}
}
}
int VFixStepSceneUpdateController::GetUpdateTickCount()
{
uint64 iTimeNow = VGLGetTimer();
const uint64 iTicksPerSec = VGLGetTimerResolution() / m_iTicksPerSecond;
if (m_iLastUpdateTickCount==0)
m_iLastUpdateTickCount = iTimeNow;
VASSERT(m_iLastUpdateTickCount<=iTimeNow);
int iCount = (int)((iTimeNow-m_iLastUpdateTickCount) / iTicksPerSec);
m_iLastUpdateTickCount += iTicksPerSec*iCount;
if (m_iMaxTickCount>0 && iCount>m_iMaxTickCount)
return m_iMaxTickCount;
return iCount;
}
/// \fn VRSDProfilingSample(const char* pFunctionName, const char* pFileName, int iLineDefined)
///
/// \brief Default Constructor.
///
/// \param [in] pFunctionName Name of the function.
/// \param [in] pFileName Filename of the file.
/// \param iLineDefined The line the function was defined in.
///
VRSDProfilingSample(const char* pFunctionName, const char* pFileName, int iLineDefined)
: m_iLineDefined(iLineDefined), m_uiStartTime(VGLGetTimer()), m_FunctionName(pFunctionName), m_FileName(pFileName)
{
}
/// \brief
/// Returns the elapsed time since the last call to GetDiff().
inline float GetDiff()
{
float fDiff = float(VGLGetTimer() - m_uiLastTime) / float(VGLGetTimerResolution());
m_uiLastTime = VGLGetTimer();
return fDiff;
}
/// \brief
/// Returns the elapsed time since creation of the timer instance or the last call to reset.
inline float GetTime() const
{
return float(VGLGetTimer() - m_uiStartTime) / float(VGLGetTimerResolution());
}
/// \brief
/// Resets the performance timer to the current time.
inline void Reset()
{
m_uiStartTime = VGLGetTimer();
m_uiLastTime = m_uiStartTime;
}
