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/*=========================================================================
Program: Visualization Toolkit
Module: $RCSfile: vtkCompositer.cxx,v $
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 "vtkCompositer.h"
#include "vtkObjectFactory.h"
#include "vtkToolkits.h"
#include "vtkDataArray.h"
#include "vtkFloatArray.h"
#include "vtkUnsignedCharArray.h"
#include "vtkMultiProcessController.h"
#ifdef VTK_USE_MPI
#include <mpi.h>
#endif
vtkCxxRevisionMacro(vtkCompositer, "$Revision: 1.9 $");
vtkStandardNewMacro(vtkCompositer);
//-------------------------------------------------------------------------
vtkCompositer::vtkCompositer()
{
this->Controller = vtkMultiProcessController::GetGlobalController();
this->NumberOfProcesses = 1;
if (this->Controller)
{
this->Controller->Register(this);
this->NumberOfProcesses = this->Controller->GetNumberOfProcesses();
}
}
//-------------------------------------------------------------------------
vtkCompositer::~vtkCompositer()
{
this->SetController(NULL);
}
//-------------------------------------------------------------------------
void vtkCompositer::SetController(vtkMultiProcessController *mpc)
{
if (this->Controller == mpc)
{
return;
}
if (mpc)
{
mpc->Register(this);
this->NumberOfProcesses = mpc->GetNumberOfProcesses();
}
if (this->Controller)
{
this->Controller->UnRegister(this);
}
this->Controller = mpc;
}
//-------------------------------------------------------------------------
void vtkCompositer::CompositeBuffer(vtkDataArray *pBuf, vtkFloatArray *zBuf,
vtkDataArray *pTmp, vtkFloatArray *zTmp)
{
pBuf = pBuf;
zBuf = zBuf;
pTmp = pTmp;
zTmp = zTmp;
}
//-------------------------------------------------------------------------
void vtkCompositer::ResizeFloatArray(vtkFloatArray* fa, int numComp,
vtkIdType size)
{
fa->SetNumberOfComponents(numComp);
#ifdef MPIPROALLOC
vtkIdType fa_size = fa->GetSize();
if ( fa_size < size*numComp )
{
float* ptr = fa->GetPointer(0);
if (ptr)
{
MPI_Free_mem(ptr);
}
char* tptr;
MPI_Alloc_mem(size*numComp*sizeof(float), NULL, &tptr);
ptr = (float*)tptr;
fa->SetArray(ptr, size*numComp, 1);
}
else
{
fa->SetNumberOfTuples(size);
}
#else
fa->SetNumberOfTuples(size);
#endif
}
void vtkCompositer::ResizeUnsignedCharArray(vtkUnsignedCharArray* uca,
int numComp, vtkIdType size)
{
uca->SetNumberOfComponents(numComp);
#ifdef MPIPROALLOC
vtkIdType uca_size = uca->GetSize();
if ( uca_size < size*numComp )
{
unsigned char* ptr = uca->GetPointer(0);
if (ptr)
{
MPI_Free_mem(ptr);
}
char* tptr;
MPI_Alloc_mem(size*numComp*sizeof(unsigned char), NULL, &tptr);
ptr = (unsigned char*)tptr;
uca->SetArray(ptr, size*numComp, 1);
}
else
{
uca->SetNumberOfTuples(size);
}
#else
uca->SetNumberOfTuples(size);
#endif
}
void vtkCompositer::DeleteArray(vtkDataArray* da)
{
#ifdef MPIPROALLOC
void* ptr = da->GetVoidPointer(0);
if (ptr)
{
MPI_Free_mem(ptr);
}
#endif
da->Delete();
}
//-------------------------------------------------------------------------
void vtkCompositer::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
os << indent << "Controller: (" << this->Controller << ")\n";
os << indent << "NumberOfProcesses: " << this->NumberOfProcesses << endl;
}
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