mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-20 02:55:47 +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.
114 lines
3.6 KiB
C++
114 lines
3.6 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/ArrayHandleCounting.h>
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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/DynamicCellSet.h>
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#include <vtkm/worklet/DispatcherMapTopology.h>
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namespace
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{
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class ThresholdRange
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{
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public:
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VTKM_CONT
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ThresholdRange(const vtkm::Float64& lower, const vtkm::Float64& upper)
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: Lower(lower)
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, Upper(upper)
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{
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}
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template <typename T>
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VTKM_EXEC bool operator()(const T& value) const
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{
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return value >= static_cast<T>(this->Lower) && value <= static_cast<T>(this->Upper);
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}
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private:
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vtkm::Float64 Lower;
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vtkm::Float64 Upper;
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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 Threshold::Threshold()
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: vtkm::filter::FilterDataSetWithField<Threshold>()
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, LowerValue(0)
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, UpperValue(0)
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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 vtkm::cont::DataSet Threshold::DoExecute(
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const vtkm::cont::DataSet& input,
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const vtkm::cont::ArrayHandle<T, StorageType>& field,
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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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//get the cells and coordinates of the dataset
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const vtkm::cont::DynamicCellSet& cells = input.GetCellSet(this->GetActiveCellSetIndex());
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ThresholdRange predicate(this->GetLowerThreshold(), this->GetUpperThreshold());
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vtkm::cont::DynamicCellSet cellOut = this->Worklet.Run(
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vtkm::filter::ApplyPolicy(cells, policy), field, fieldMeta.GetAssociation(), predicate);
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vtkm::cont::DataSet output;
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output.AddCellSet(cellOut);
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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 Threshold::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>)
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{
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if (fieldMeta.IsPointField())
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{
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//we copy the input handle to the result dataset, reusing the metadata
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result.AddField(fieldMeta.AsField(input));
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return true;
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}
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else if (fieldMeta.IsCellField())
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{
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vtkm::cont::ArrayHandle<T> out = this->Worklet.ProcessCellField(input);
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result.AddField(fieldMeta.AsField(out));
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return true;
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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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}
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}
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}
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