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.
110 lines
3.5 KiB
C++
110 lines
3.5 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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namespace
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{
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// Needed to CompactPoints
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template <typename BasePolicy>
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struct CellSetSingleTypePolicy : public BasePolicy
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{
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using AllCellSetList = vtkm::cont::CellSetListTagUnstructured;
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};
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template <typename DerivedPolicy>
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inline vtkm::filter::PolicyBase<CellSetSingleTypePolicy<DerivedPolicy>> GetCellSetSingleTypePolicy(
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const vtkm::filter::PolicyBase<DerivedPolicy>&)
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{
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return vtkm::filter::PolicyBase<CellSetSingleTypePolicy<DerivedPolicy>>();
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}
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}
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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 MaskPoints::MaskPoints()
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: vtkm::filter::FilterDataSet<MaskPoints>()
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, Stride(1)
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, CompactPoints(true)
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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 MaskPoints::DoExecute(
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const vtkm::cont::DataSet& input,
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vtkm::filter::PolicyBase<DerivedPolicy> policy)
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{
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// extract the input cell set
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const vtkm::cont::DynamicCellSet& cells = input.GetCellSet(this->GetActiveCellSetIndex());
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// run the worklet on the cell set and input field
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vtkm::cont::CellSetSingleType<> outCellSet;
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vtkm::worklet::MaskPoints worklet;
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outCellSet = worklet.Run(vtkm::filter::ApplyPolicy(cells, policy), this->Stride);
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// create the output dataset
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vtkm::cont::DataSet output;
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output.AddCellSet(outCellSet);
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output.AddCoordinateSystem(input.GetCoordinateSystem(this->GetActiveCoordinateSystemIndex()));
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// compact the unused points in the output dataset
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if (this->CompactPoints)
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{
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this->Compactor.SetCompactPointFields(true);
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return this->Compactor.DoExecute(output, GetCellSetSingleTypePolicy(policy));
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}
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else
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{
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return output;
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}
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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 MaskPoints::DoMapField(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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vtkm::filter::PolicyBase<DerivedPolicy> policy)
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{
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// point data is copied as is because it was not collapsed
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if (fieldMeta.IsPointField())
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{
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if (this->CompactPoints)
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{
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return this->Compactor.DoMapField(result, input, fieldMeta, policy);
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}
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else
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{
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result.AddField(fieldMeta.AsField(input));
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return true;
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}
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}
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// cell data does not apply
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return false;
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}
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}
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}
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