bddad9b386
Now that the dispatcher does its own TryExecute, filters do not need to do that. This change requires all worklets called by filters to be able to execute without knowing the device a priori.
143 lines
4.6 KiB
C++
143 lines
4.6 KiB
C++
//============================================================================
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// Copyright (c) Kitware, Inc.
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// All rights reserved.
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// See LICENSE.txt for details.
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// This software is distributed WITHOUT ANY WARRANTY; without even
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// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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// PURPOSE. See the above copyright notice for more information.
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//
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// Copyright 2014 National Technology & Engineering Solutions of Sandia, LLC (NTESS).
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// Copyright 2014 UT-Battelle, LLC.
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// Copyright 2014 Los Alamos National Security.
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//
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// Under the terms of Contract DE-NA0003525 with NTESS,
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// the U.S. Government retains certain rights in this software.
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//
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// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
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// Laboratory (LANL), the U.S. Government retains certain rights in
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// this software.
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//============================================================================
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#include <vtkm/cont/ArrayHandlePermutation.h>
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#include <vtkm/cont/CellSetPermutation.h>
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#include <vtkm/cont/CoordinateSystem.h>
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#include <vtkm/cont/DynamicCellSet.h>
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#include <vtkm/worklet/DispatcherMapTopology.h>
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namespace
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{
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struct CallWorker
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{
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vtkm::cont::DynamicCellSet& Output;
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vtkm::worklet::ExtractGeometry& Worklet;
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const vtkm::cont::CoordinateSystem& Coords;
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const vtkm::cont::ImplicitFunctionHandle& Function;
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bool ExtractInside;
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bool ExtractBoundaryCells;
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bool ExtractOnlyBoundaryCells;
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CallWorker(vtkm::cont::DynamicCellSet& output,
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vtkm::worklet::ExtractGeometry& worklet,
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const vtkm::cont::CoordinateSystem& coords,
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const vtkm::cont::ImplicitFunctionHandle& function,
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bool extractInside,
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bool extractBoundaryCells,
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bool extractOnlyBoundaryCells)
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: Output(output)
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, Worklet(worklet)
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, Coords(coords)
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, Function(function)
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, ExtractInside(extractInside)
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, ExtractBoundaryCells(extractBoundaryCells)
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, ExtractOnlyBoundaryCells(extractOnlyBoundaryCells)
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{
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}
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template <typename CellSetType>
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void operator()(const CellSetType& cellSet) const
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{
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this->Output = this->Worklet.Run(cellSet,
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this->Coords,
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this->Function,
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this->ExtractInside,
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this->ExtractBoundaryCells,
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this->ExtractOnlyBoundaryCells);
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}
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};
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} // end anon namespace
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namespace vtkm
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{
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namespace filter
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{
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//-----------------------------------------------------------------------------
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inline VTKM_CONT ExtractGeometry::ExtractGeometry()
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: vtkm::filter::FilterDataSet<ExtractGeometry>()
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, ExtractInside(true)
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, ExtractBoundaryCells(false)
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, ExtractOnlyBoundaryCells(false)
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{
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}
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//-----------------------------------------------------------------------------
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template <typename DerivedPolicy>
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inline VTKM_CONT vtkm::cont::DataSet ExtractGeometry::DoExecute(
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const vtkm::cont::DataSet& input,
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const vtkm::filter::PolicyBase<DerivedPolicy>& policy)
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{
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// extract the input cell set and coordinates
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const vtkm::cont::DynamicCellSet& cells = input.GetCellSet(this->GetActiveCellSetIndex());
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const vtkm::cont::CoordinateSystem& coords =
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input.GetCoordinateSystem(this->GetActiveCoordinateSystemIndex());
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vtkm::cont::DynamicCellSet outCells;
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CallWorker worker(outCells,
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this->Worklet,
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coords,
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this->Function,
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this->ExtractInside,
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this->ExtractBoundaryCells,
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this->ExtractOnlyBoundaryCells);
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vtkm::filter::ApplyPolicy(cells, policy).CastAndCall(worker);
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// create the output dataset
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vtkm::cont::DataSet output;
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output.AddCoordinateSystem(input.GetCoordinateSystem(this->GetActiveCoordinateSystemIndex()));
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output.AddCellSet(outCells);
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return output;
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}
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//-----------------------------------------------------------------------------
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template <typename T, typename StorageType, typename DerivedPolicy>
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inline VTKM_CONT bool ExtractGeometry::DoMapField(
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vtkm::cont::DataSet& result,
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const vtkm::cont::ArrayHandle<T, StorageType>& input,
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const vtkm::filter::FieldMetadata& fieldMeta,
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const vtkm::filter::PolicyBase<DerivedPolicy>&)
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{
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vtkm::cont::DynamicArrayHandle output;
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if (fieldMeta.IsPointField())
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{
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output = input; // pass through, points aren't changed.
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}
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else if (fieldMeta.IsCellField())
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{
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output = this->Worklet.ProcessCellField(input);
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}
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else
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{
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return false;
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}
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// use the same meta data as the input so we get the same field name, etc.
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result.AddField(fieldMeta.AsField(output));
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return true;
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}
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}
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}
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