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/*=========================================================================
Program: Visualization Toolkit
Module: $RCSfile$
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 <mpi.h>
#include "vtkMPICommunicator.h"
#include "vtkMPIController.h"
#include "vtkSynchronizedRenderWindows.h"
#include "vtkSynchronizedRenderers.h"
#include "vtkTestUtilities.h"
#include "vtkRegressionTestImage.h"
#include "vtkRenderWindowInteractor.h"
#include "vtkOpenGLRenderWindow.h"
#include "vtkRenderer.h"
#include "vtkActor.h"
#include "vtkSphereSource.h"
#include "vtkPolyDataMapper.h"
#include "vtkLookupTable.h"
#include "vtkCamera.h"
#include "vtkPieceScalars.h"
#include "vtkProcess.h"
#include "vtkObjectFactory.h"
namespace
{
class MyProcess : public vtkProcess
{
public:
static MyProcess *New();
virtual void Execute();
void SetArgs(int anArgc,
char *anArgv[])
{
this->Argc=anArgc;
this->Argv=anArgv;
}
void CreatePipeline(vtkRenderer* renderer)
{
int num_procs = this->Controller->GetNumberOfProcesses();
int my_id = this->Controller->GetLocalProcessId();
vtkSphereSource* sphere = vtkSphereSource::New();
sphere->SetPhiResolution(100);
sphere->SetThetaResolution(100);
vtkPieceScalars *piecescalars = vtkPieceScalars::New();
piecescalars->SetInputConnection(sphere->GetOutputPort());
piecescalars->SetScalarModeToCellData();
vtkPolyDataMapper* mapper = vtkPolyDataMapper::New();
mapper->SetInputConnection(piecescalars->GetOutputPort());
mapper->SetScalarModeToUseCellFieldData();
mapper->SelectColorArray("Piece");
mapper->SetScalarRange(0, num_procs-1);
mapper->SetPiece(my_id);
mapper->SetNumberOfPieces(num_procs);
mapper->Update();
vtkActor* actor = vtkActor::New();
actor->SetMapper(mapper);
renderer->AddActor(actor);
actor->Delete();
mapper->Delete();
piecescalars->Delete();
sphere->Delete();
}
protected:
MyProcess() { this->Argc = 0; this->Argv = NULL; }
int Argc;
char **Argv;
};
vtkStandardNewMacro(MyProcess);
void MyProcess::Execute()
{
this->ReturnValue = 0;
int my_id = this->Controller->GetLocalProcessId();
int numProcs = this->Controller->GetNumberOfProcesses();
vtkRenderWindow* renWin = vtkRenderWindow::New();
renWin->DoubleBufferOn();
vtkRenderer* renderer = vtkRenderer::New();
renWin->AddRenderer(renderer);
vtkSynchronizedRenderWindows* syncWindows =
vtkSynchronizedRenderWindows::New();
syncWindows->SetRenderWindow(renWin);
syncWindows->SetParallelController(this->Controller);
syncWindows->SetIdentifier(1);
vtkSynchronizedRenderers* syncRenderers = vtkSynchronizedRenderers::New();
syncRenderers->SetRenderer(renderer);
syncRenderers->SetParallelController(this->Controller);
//syncRenderers->SetImageReductionFactor(3);
this->CreatePipeline(renderer);
int retVal;
if (my_id == 0)
{
vtkRenderWindowInteractor* iren = vtkRenderWindowInteractor::New();
iren->SetRenderWindow(renWin);
iren->Initialize();
retVal = vtkRegressionTester::Test(this->Argc, this->Argv, renWin, 10);
if ( retVal == vtkRegressionTester::DO_INTERACTOR)
{
iren->Start();
}
iren->Delete();
this->Controller->TriggerBreakRMIs();
// This should really be Broadcast
for (int i = 1; i < numProcs; i++)
{
this->Controller->Send(&retVal, 1, i, 33);
}
}
else
{
this->Controller->ProcessRMIs();
this->Controller->Receive(&retVal, 1, 0, 33);
}
renderer->Delete();
renWin->Delete();
syncWindows->Delete();
syncRenderers->Delete();
this->ReturnValue = retVal;
}
}
int TestParallelRendering(int argc, char *argv[])
{
// This is here to avoid false leak messages from vtkDebugLeaks when
// using mpich. It appears that the root process which spawns all the
// main processes waits in MPI_Init() and calls exit() when
// the others are done, causing apparent memory leaks for any objects
// created before MPI_Init().
MPI_Init(&argc, &argv);
// Note that this will create a vtkMPIController if MPI
// is configured, vtkThreadedController otherwise.
vtkMPIController *contr = vtkMPIController::New();
contr->Initialize(&argc, &argv, 1);
int retVal = 1; //1==failed
int numProcs = contr->GetNumberOfProcesses();
if (numProcs < 2 && false)
{
cout << "This test requires at least 2 processes" << endl;
contr->Delete();
return retVal;
}
vtkMultiProcessController::SetGlobalController(contr);
MyProcess *p=MyProcess::New();
p->SetArgs(argc,argv);
contr->SetSingleProcessObject(p);
contr->SingleMethodExecute();
retVal=p->GetReturnValue();
p->Delete();
contr->Finalize();
contr->Delete();
vtkMultiProcessController::SetGlobalController(0);
//return !retVal;
return 0;
}
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