5dd346007b
clang-format BinPack settings have been disabled to make sure that the VTK-m style guideline is obeyed.
128 lines
4.7 KiB
C++
128 lines
4.7 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 2016 Sandia Corporation.
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// Copyright 2016 UT-Battelle, LLC.
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// Copyright 2016 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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#ifndef vtk_m_worklet_CellDeepCopy_h
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#define vtk_m_worklet_CellDeepCopy_h
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#include <vtkm/cont/ArrayHandleConstant.h>
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#include <vtkm/cont/ArrayHandleGroupVecVariable.h>
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#include <vtkm/cont/CellSetExplicit.h>
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#include <vtkm/cont/DynamicCellSet.h>
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#include <vtkm/worklet/DispatcherMapTopology.h>
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#include <vtkm/worklet/WorkletMapTopology.h>
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namespace vtkm
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{
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namespace worklet
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{
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/// Container for worklets and helper methods to copy a cell set to a new
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/// \c CellSetExplicit structure
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///
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struct CellDeepCopy
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{
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struct CountCellPoints : vtkm::worklet::WorkletMapPointToCell
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{
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typedef void ControlSignature(CellSetIn inputTopology, FieldOut<> numPointsInCell);
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typedef _2 ExecutionSignature(PointCount);
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VTKM_EXEC
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vtkm::IdComponent operator()(vtkm::IdComponent numPoints) const { return numPoints; }
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};
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struct PassCellStructure : vtkm::worklet::WorkletMapPointToCell
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{
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typedef void ControlSignature(CellSetIn inputTopology,
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FieldOut<> shapes,
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FieldOut<> pointIndices);
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typedef void ExecutionSignature(CellShape, PointIndices, _2, _3);
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template <typename CellShape, typename InPointIndexType, typename OutPointIndexType>
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VTKM_EXEC void operator()(const CellShape& inShape,
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const InPointIndexType& inPoints,
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vtkm::UInt8& outShape,
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OutPointIndexType& outPoints) const
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{
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outShape = inShape.Id;
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vtkm::IdComponent numPoints = inPoints.GetNumberOfComponents();
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VTKM_ASSERT(numPoints == outPoints.GetNumberOfComponents());
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for (vtkm::IdComponent pointIndex = 0; pointIndex < numPoints; pointIndex++)
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{
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outPoints[pointIndex] = inPoints[pointIndex];
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}
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}
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};
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template <typename InCellSetType,
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typename ShapeStorage,
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typename NumIndicesStorage,
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typename ConnectivityStorage,
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typename OffsetsStorage,
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typename Device>
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VTKM_CONT static void Run(const InCellSetType& inCellSet,
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vtkm::cont::CellSetExplicit<ShapeStorage,
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NumIndicesStorage,
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ConnectivityStorage,
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OffsetsStorage>& outCellSet,
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Device)
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{
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VTKM_IS_DYNAMIC_OR_STATIC_CELL_SET(InCellSetType);
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vtkm::cont::ArrayHandle<vtkm::IdComponent, NumIndicesStorage> numIndices;
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vtkm::worklet::DispatcherMapTopology<CountCellPoints, Device> countDispatcher;
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countDispatcher.Invoke(inCellSet, numIndices);
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vtkm::cont::ArrayHandle<vtkm::UInt8, ShapeStorage> shapes;
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vtkm::cont::ArrayHandle<vtkm::Id, ConnectivityStorage> connectivity;
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vtkm::cont::ArrayHandle<vtkm::Id, OffsetsStorage> offsets;
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vtkm::Id connectivitySize;
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vtkm::cont::ConvertNumComponentsToOffsets(numIndices, offsets, connectivitySize);
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connectivity.Allocate(connectivitySize);
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vtkm::worklet::DispatcherMapTopology<PassCellStructure, Device> passDispatcher;
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passDispatcher.Invoke(
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inCellSet, shapes, vtkm::cont::make_ArrayHandleGroupVecVariable(connectivity, offsets));
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vtkm::cont::
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CellSetExplicit<ShapeStorage, NumIndicesStorage, ConnectivityStorage, OffsetsStorage>
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newCellSet(inCellSet.GetName());
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newCellSet.Fill(inCellSet.GetNumberOfPoints(), shapes, numIndices, connectivity, offsets);
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outCellSet = newCellSet;
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}
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template <typename InCellSetType, typename Device>
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VTKM_CONT static vtkm::cont::CellSetExplicit<> Run(const InCellSetType& inCellSet, Device)
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{
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VTKM_IS_DYNAMIC_OR_STATIC_CELL_SET(InCellSetType);
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vtkm::cont::CellSetExplicit<> outCellSet;
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Run(inCellSet, outCellSet, Device());
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return outCellSet;
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}
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};
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}
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} // namespace vtkm::worklet
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#endif //vtk_m_worklet_CellDeepCopy_h
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