mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-20 02:55:47 +00:00
109 lines
3.3 KiB
C++
109 lines
3.3 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 Sandia Corporation.
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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-AC04-94AL85000 with Sandia Corporation,
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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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template <typename DeviceTag>
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struct CallWorklet
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{
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vtkm::Id Stride;
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vtkm::cont::DynamicCellSet& Output;
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vtkm::worklet::Mask& Worklet;
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CallWorklet(vtkm::Id stride, vtkm::cont::DynamicCellSet& output, vtkm::worklet::Mask& worklet)
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: Stride(stride)
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, Output(output)
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, Worklet(worklet)
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{
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}
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template <typename CellSetType>
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void operator()(const CellSetType& cells) const
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{
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this->Output = this->Worklet.Run(cells, this->Stride, DeviceTag());
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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 Mask::Mask()
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: vtkm::filter::FilterDataSet<Mask>()
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, Stride(1)
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, CompactPoints(false)
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{
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}
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//-----------------------------------------------------------------------------
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template <typename DerivedPolicy, typename DeviceAdapter>
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inline VTKM_CONT vtkm::filter::ResultDataSet Mask::DoExecute(
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const vtkm::cont::DataSet& input,
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const vtkm::filter::PolicyBase<DerivedPolicy>& policy,
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const DeviceAdapter&)
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{
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const vtkm::cont::DynamicCellSet& cells = input.GetCellSet(this->GetActiveCellSetIndex());
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vtkm::cont::DynamicCellSet cellOut;
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CallWorklet<DeviceAdapter> workletCaller(this->Stride, cellOut, this->Worklet);
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vtkm::filter::ApplyPolicy(cells, policy).CastAndCall(workletCaller);
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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(cellOut);
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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, typename DeviceAdapter>
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inline VTKM_CONT bool Mask::DoMapField(vtkm::filter::ResultDataSet& 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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const DeviceAdapter& device)
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{
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vtkm::cont::Field output;
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if (fieldMeta.IsPointField())
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{
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output = fieldMeta.AsField(input); // pass through
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}
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else if (fieldMeta.IsCellField())
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{
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output = fieldMeta.AsField(this->Worklet.ProcessCellField(input, device));
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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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result.GetDataSet().AddField(output);
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return true;
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}
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}
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}
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