mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-19 18:45:43 +00:00
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.
106 lines
3.2 KiB
C++
106 lines
3.2 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/worklet/DispatcherMapField.h>
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namespace
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{
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class DeduceCellSet
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{
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mutable vtkm::worklet::Tetrahedralize Worklet;
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vtkm::cont::CellSetSingleType<>& OutCellSet;
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public:
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DeduceCellSet(vtkm::worklet::Tetrahedralize worklet, vtkm::cont::CellSetSingleType<>& outCellSet)
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: Worklet(worklet)
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, OutCellSet(outCellSet)
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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->OutCellSet = Worklet.Run(cellset);
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}
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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 Tetrahedralize::Tetrahedralize()
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: vtkm::filter::FilterDataSet<Tetrahedralize>()
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, Worklet()
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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 Tetrahedralize::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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const vtkm::cont::DynamicCellSet& cells = input.GetCellSet(this->GetActiveCellSetIndex());
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vtkm::cont::CellSetSingleType<> outCellSet;
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DeduceCellSet tetrahedralize(this->Worklet, outCellSet);
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vtkm::cont::CastAndCall(vtkm::filter::ApplyPolicy(cells, policy), tetrahedralize);
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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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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 Tetrahedralize::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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vtkm::filter::PolicyBase<DerivedPolicy>)
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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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result.AddField(fieldMeta.AsField(input));
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return true;
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}
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// cell data must be scattered to the cells created per input cell
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if (fieldMeta.IsCellField())
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{
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vtkm::cont::ArrayHandle<T> output = this->Worklet.ProcessCellField(input);
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result.AddField(fieldMeta.AsField(output));
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return true;
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}
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return false;
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}
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}
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}
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