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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#include "vtkTransmitStructuredDataPiece.h"
#include "vtkDataSet.h"
#include "vtkExtentTranslator.h"
#include "vtkInformation.h"
#include "vtkInformationVector.h"
#include "vtkMultiProcessController.h"
#include "vtkObjectFactory.h"
#include "vtkStreamingDemandDrivenPipeline.h"
VTK_ABI_NAMESPACE_BEGIN
vtkStandardNewMacro(vtkTransmitStructuredDataPiece);
vtkCxxSetObjectMacro(vtkTransmitStructuredDataPiece, Controller, vtkMultiProcessController);
//------------------------------------------------------------------------------
vtkTransmitStructuredDataPiece::vtkTransmitStructuredDataPiece()
{
this->Controller = nullptr;
this->CreateGhostCells = 1;
this->SetNumberOfInputPorts(1);
this->SetController(vtkMultiProcessController::GetGlobalController());
}
//------------------------------------------------------------------------------
vtkTransmitStructuredDataPiece::~vtkTransmitStructuredDataPiece()
{
this->SetController(nullptr);
}
//------------------------------------------------------------------------------
int vtkTransmitStructuredDataPiece::RequestInformation(vtkInformation* vtkNotUsed(request),
vtkInformationVector** inputVector, vtkInformationVector* outputVector)
{
if (this->Controller)
{
int wExt[6];
if (this->Controller->GetLocalProcessId() == 0)
{
vtkInformation* inInfo = inputVector[0]->GetInformationObject(0);
inInfo->Get(vtkStreamingDemandDrivenPipeline::WHOLE_EXTENT(), wExt);
}
this->Controller->Broadcast(wExt, 6, 0);
vtkInformation* outInfo = outputVector->GetInformationObject(0);
outInfo->Set(vtkStreamingDemandDrivenPipeline::WHOLE_EXTENT(), wExt, 6);
}
return 1;
}
//------------------------------------------------------------------------------
int vtkTransmitStructuredDataPiece::RequestUpdateExtent(vtkInformation* vtkNotUsed(request),
vtkInformationVector** inputVector, vtkInformationVector* vtkNotUsed(outputVector))
{
if (this->Controller)
{
if (this->Controller->GetLocalProcessId() > 0)
{
int wExt[6] = { 0, -1, 0, -1, 0, -1 };
inputVector[0]->GetInformationObject(0)->Set(
vtkStreamingDemandDrivenPipeline::UPDATE_EXTENT(), wExt, 6);
}
}
return 1;
}
//------------------------------------------------------------------------------
int vtkTransmitStructuredDataPiece::RequestData(vtkInformation* vtkNotUsed(request),
vtkInformationVector** inputVector, vtkInformationVector* outputVector)
{
vtkInformation* outInfo = outputVector->GetInformationObject(0);
vtkDataSet* output = vtkDataSet::GetData(outputVector);
int procId;
if (this->Controller == nullptr)
{
vtkErrorMacro("Could not find Controller.");
return 1;
}
procId = this->Controller->GetLocalProcessId();
if (procId == 0)
{
vtkDataSet* input = vtkDataSet::GetData(inputVector[0]);
this->RootExecute(input, output, outInfo);
}
else
{
this->SatelliteExecute(procId, output, outInfo);
}
return 1;
}
//------------------------------------------------------------------------------
void vtkTransmitStructuredDataPiece::RootExecute(
vtkDataSet* input, vtkDataSet* output, vtkInformation* outInfo)
{
vtkDataSet* tmp = input->NewInstance();
int numProcs, i;
int updatePiece = outInfo->Get(vtkStreamingDemandDrivenPipeline::UPDATE_PIECE_NUMBER());
int updateNumPieces = outInfo->Get(vtkStreamingDemandDrivenPipeline::UPDATE_NUMBER_OF_PIECES());
int updatedGhost =
outInfo->Get(vtkStreamingDemandDrivenPipeline::UPDATE_NUMBER_OF_GHOST_LEVELS());
if (!this->CreateGhostCells)
{
updatedGhost = 0;
}
int* wholeExt = input->GetInformation()->Get(vtkDataObject::DATA_EXTENT());
vtkExtentTranslator* et = vtkExtentTranslator::New();
int newExt[6];
et->PieceToExtentThreadSafe(updatePiece, updateNumPieces, updatedGhost, wholeExt, newExt,
vtkExtentTranslator::BLOCK_MODE, 0);
output->ShallowCopy(input);
output->Crop(newExt);
if (updatedGhost > 0)
{
// Create ghost array
int zeroExt[6];
et->PieceToExtentThreadSafe(
updatePiece, updateNumPieces, 0, wholeExt, zeroExt, vtkExtentTranslator::BLOCK_MODE, 0);
output->GenerateGhostArray(zeroExt);
}
numProcs = this->Controller->GetNumberOfProcesses();
for (i = 1; i < numProcs; ++i)
{
int updateInfo[3];
this->Controller->Receive(updateInfo, 3, i, 22341);
et->PieceToExtentThreadSafe(updateInfo[0], updateInfo[1], updateInfo[2], wholeExt, newExt,
vtkExtentTranslator::BLOCK_MODE, 0);
tmp->ShallowCopy(input);
tmp->Crop(newExt);
if (updateInfo[2] > 0)
{
// Create ghost array
int zeroExt[6];
et->PieceToExtentThreadSafe(
updateInfo[0], updateInfo[1], 0, wholeExt, zeroExt, vtkExtentTranslator::BLOCK_MODE, 0);
tmp->GenerateGhostArray(zeroExt);
}
this->Controller->Send(tmp, i, 22342);
}
// clean up the structures we've used here
tmp->Delete();
et->Delete();
}
//------------------------------------------------------------------------------
void vtkTransmitStructuredDataPiece::SatelliteExecute(
int, vtkDataSet* output, vtkInformation* outInfo)
{
int updatePiece = outInfo->Get(vtkStreamingDemandDrivenPipeline::UPDATE_PIECE_NUMBER());
int updateNumPieces = outInfo->Get(vtkStreamingDemandDrivenPipeline::UPDATE_NUMBER_OF_PIECES());
int updatedGhost =
outInfo->Get(vtkStreamingDemandDrivenPipeline::UPDATE_NUMBER_OF_GHOST_LEVELS());
if (!this->CreateGhostCells)
{
updatedGhost = 0;
}
int updateInfo[3];
updateInfo[0] = updatePiece;
updateInfo[1] = updateNumPieces;
updateInfo[2] = updatedGhost;
this->Controller->Send(updateInfo, 3, 0, 22341);
// receive root's response
this->Controller->Receive(output, 0, 22342);
}
//------------------------------------------------------------------------------
void vtkTransmitStructuredDataPiece::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
os << indent << "Create Ghost Cells: " << (this->CreateGhostCells ? "On\n" : "Off\n");
os << indent << "Controller: (" << this->Controller << ")\n";
}
VTK_ABI_NAMESPACE_END
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