mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-20 11:05:44 +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.
127 lines
4.7 KiB
C++
127 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 National Technology & Engineering Solutions of Sandia, LLC (NTESS).
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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-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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#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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using ControlSignature = void(CellSetIn inputTopology, FieldOut<> numPointsInCell);
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using ExecutionSignature = _2(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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using ControlSignature = void(CellSetIn inputTopology,
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FieldOut<> shapes,
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FieldOut<> pointIndices);
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using ExecutionSignature = void(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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(void)inShape; //C4100 false positive workaround
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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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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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{
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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> 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> 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>
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VTKM_CONT static vtkm::cont::CellSetExplicit<> Run(const InCellSetType& inCellSet)
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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);
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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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