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/*=========================================================================
Program: Visualization Toolkit
Module: vtkPSurfaceLICMapper.cxx
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
#include "vtkPSurfaceLICMapper.h"
#include "vtkObjectFactory.h"
#include "vtkPainterCommunicator.h"
#include "vtkPPainterCommunicator.h"
#include "vtkMPI.h"
#include "vtkParallelTimer.h"
//----------------------------------------------------------------------------
vtkStandardNewMacro(vtkPSurfaceLICMapper);
//----------------------------------------------------------------------------
vtkPSurfaceLICMapper::vtkPSurfaceLICMapper()
{}
//----------------------------------------------------------------------------
vtkPSurfaceLICMapper::~vtkPSurfaceLICMapper()
{
#ifdef vtkPSurfaceLICMapperDEBUG
cerr << "=====vtkPSurfaceLICMapper::~vtkPSurfaceLICMapper" << endl;
#endif
}
//----------------------------------------------------------------------------
bool vtkPSurfaceLICMapper::NeedToUpdateCommunicator()
{
// TODO -- with slice widget in PV the input dataset
// MTime is changing at different rates on different
// MPI ranks. Because of this some ranks want to update
// there comunicator while other do not. To work around
// this force the communicator update on all ranks if any
// rank will update it.
int updateComm = this->Superclass::NeedToUpdateCommunicator() ? 1 : 0;
vtkMPICommunicatorOpaqueComm *globalComm
= vtkPPainterCommunicator::GetGlobalCommunicator();
if (globalComm)
{
MPI_Allreduce(
MPI_IN_PLACE,
&updateComm,
1,
MPI_INT,
MPI_MAX,
*globalComm->GetHandle());
if (updateComm != 0)
{
this->SetUpdateAll();
}
}
return updateComm != 0;
}
// ----------------------------------------------------------------------------
void vtkPSurfaceLICMapper::GetGlobalMinMax(
vtkPainterCommunicator *painterComm,
float &min,
float &max)
{
vtkPPainterCommunicator *pPainterComm
= dynamic_cast<vtkPPainterCommunicator*>(painterComm);
if (pPainterComm->GetMPIInitialized())
{
MPI_Comm comm
= *static_cast<MPI_Comm*>(pPainterComm->GetCommunicator());
MPI_Allreduce(
MPI_IN_PLACE,
&min,
1,
MPI_FLOAT,
MPI_MIN,
comm);
MPI_Allreduce(
MPI_IN_PLACE,
&max,
1,
MPI_FLOAT,
MPI_MAX,
comm);
}
}
//-----------------------------------------------------------------------------
void vtkPSurfaceLICMapper::StartTimerEvent(const char *event)
{
#if defined(vtkSurfaceLICMapperTIME)
vtkParallelTimer *log = vtkParallelTimer::GetGlobalInstance();
log->StartEvent(event);
#else
(void)event;
#endif
}
//-----------------------------------------------------------------------------
void vtkPSurfaceLICMapper::EndTimerEvent(const char *event)
{
#if defined(vtkSurfaceLICMapperTIME)
vtkParallelTimer *log = vtkParallelTimer::GetGlobalInstance();
log->EndEvent(event);
#else
(void)event;
#endif
}
//----------------------------------------------------------------------------
void vtkPSurfaceLICMapper::WriteTimerLog(const char *fileName)
{
#if defined(vtkSurfaceLICMapperTIME)
std::string fname = fileName?fileName:"";
if (fname == this->LogFileName)
{
return;
}
this->LogFileName = fname;
if (!fname.empty())
{
vtkParallelTimer *log = vtkParallelTimer::GetGlobalInstance();
log->SetFileName(fname.c_str());
log->Update();
log->Write();
}
#else
(void)fileName;
#endif
}
//----------------------------------------------------------------------------
vtkPainterCommunicator *vtkPSurfaceLICMapper::CreateCommunicator(int include)
{
// if we're using MPI and it's been initialized then
// subset VTK's world communicator otherwise run the
// painter serially.
vtkPPainterCommunicator *comm = new vtkPPainterCommunicator;
vtkMPICommunicatorOpaqueComm *globalComm
= vtkPPainterCommunicator::GetGlobalCommunicator();
if (globalComm)
{
comm->SubsetCommunicator(globalComm, include);
}
return comm;
}
//----------------------------------------------------------------------------
void vtkPSurfaceLICMapper::PrintSelf(ostream & os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
os << indent << "LogFileName=" << this->LogFileName << endl;
}
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