mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-08 21:33:55 +00:00
b9430c52e6
This is a fancy array that takes an array of offsets and converts it to an array of the number of components for each packed entry. This replaces the use of `ArrayHandleDecorator` in `CellSetExplicit`. The two implementation should do the same thing, but the new `ArrayHandleOffsetsToNumComponents` should be less complex for compilers.
472 lines
17 KiB
C++
472 lines
17 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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//
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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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#ifndef vtk_m_cont_CellSetExplicit_h
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#define vtk_m_cont_CellSetExplicit_h
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#include <vtkm/CellShape.h>
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#include <vtkm/TopologyElementTag.h>
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#include <vtkm/cont/ArrayGetValues.h>
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#include <vtkm/cont/ArrayHandleCast.h>
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#include <vtkm/cont/ArrayHandleConstant.h>
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#include <vtkm/cont/ArrayHandleCounting.h>
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#include <vtkm/cont/ArrayHandleOffsetsToNumComponents.h>
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#include <vtkm/cont/CellSet.h>
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#include <vtkm/cont/internal/ConnectivityExplicitInternals.h>
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#include <vtkm/exec/ConnectivityExplicit.h>
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#include <vtkm/cont/vtkm_cont_export.h>
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namespace vtkm
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{
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namespace cont
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{
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namespace detail
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{
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template <typename CellSetType, typename VisitTopology, typename IncidentTopology>
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struct CellSetExplicitConnectivityChooser
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{
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using ConnectivityType = vtkm::cont::internal::ConnectivityExplicitInternals<>;
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};
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} // namespace detail
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#ifndef VTKM_DEFAULT_SHAPES_STORAGE_TAG
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#define VTKM_DEFAULT_SHAPES_STORAGE_TAG VTKM_DEFAULT_STORAGE_TAG
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#endif
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#ifndef VTKM_DEFAULT_CONNECTIVITY_STORAGE_TAG
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#define VTKM_DEFAULT_CONNECTIVITY_STORAGE_TAG VTKM_DEFAULT_STORAGE_TAG
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#endif
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#ifndef VTKM_DEFAULT_OFFSETS_STORAGE_TAG
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#define VTKM_DEFAULT_OFFSETS_STORAGE_TAG VTKM_DEFAULT_STORAGE_TAG
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#endif
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template <typename S1, typename S2>
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void ConvertNumIndicesToOffsets(const vtkm::cont::ArrayHandle<vtkm::Id, S1>& numIndices,
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vtkm::cont::ArrayHandle<vtkm::Id, S2>& offsets)
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{
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VTKM_LOG_SCOPE_FUNCTION(vtkm::cont::LogLevel::Perf);
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vtkm::cont::Algorithm::ScanExtended(numIndices, offsets);
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}
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template <typename T, typename S1, typename S2>
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void ConvertNumIndicesToOffsets(const vtkm::cont::ArrayHandle<T, S1>& numIndices,
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vtkm::cont::ArrayHandle<vtkm::Id, S2>& offsets)
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{
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const auto castCounts = vtkm::cont::make_ArrayHandleCast<vtkm::Id>(numIndices);
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ConvertNumIndicesToOffsets(castCounts, offsets);
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}
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template <typename T, typename S1, typename S2>
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void ConvertNumIndicesToOffsets(const vtkm::cont::ArrayHandle<T, S1>& numIndices,
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vtkm::cont::ArrayHandle<vtkm::Id, S2>& offsets,
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vtkm::Id& connectivitySize /* outparam */)
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{
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ConvertNumIndicesToOffsets(numIndices, offsets);
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connectivitySize = vtkm::cont::ArrayGetValue(offsets.GetNumberOfValues() - 1, offsets);
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}
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template <typename T, typename S>
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vtkm::cont::ArrayHandle<vtkm::Id> ConvertNumIndicesToOffsets(
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const vtkm::cont::ArrayHandle<T, S>& numIndices)
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{
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vtkm::cont::ArrayHandle<vtkm::Id> offsets;
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ConvertNumIndicesToOffsets(numIndices, offsets);
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return offsets;
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}
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template <typename T, typename S>
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vtkm::cont::ArrayHandle<vtkm::Id> ConvertNumIndicesToOffsets(
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const vtkm::cont::ArrayHandle<T, S>& numIndices,
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vtkm::Id& connectivityLength /* outparam */)
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{
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vtkm::cont::ArrayHandle<vtkm::Id> offsets;
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ConvertNumIndicesToOffsets(numIndices, offsets, connectivityLength);
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return offsets;
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}
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template <typename ShapesStorageTag = VTKM_DEFAULT_SHAPES_STORAGE_TAG,
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typename ConnectivityStorageTag = VTKM_DEFAULT_CONNECTIVITY_STORAGE_TAG,
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typename OffsetsStorageTag = VTKM_DEFAULT_OFFSETS_STORAGE_TAG>
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class VTKM_ALWAYS_EXPORT CellSetExplicit : public CellSet
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{
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using Thisclass = CellSetExplicit<ShapesStorageTag, ConnectivityStorageTag, OffsetsStorageTag>;
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template <typename VisitTopology, typename IncidentTopology>
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struct ConnectivityChooser
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{
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private:
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using Chooser = typename detail::
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CellSetExplicitConnectivityChooser<Thisclass, VisitTopology, IncidentTopology>;
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public:
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using ConnectivityType = typename Chooser::ConnectivityType;
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using ShapesArrayType = typename ConnectivityType::ShapesArrayType;
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using ConnectivityArrayType = typename ConnectivityType::ConnectivityArrayType;
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using OffsetsArrayType = typename ConnectivityType::OffsetsArrayType;
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using NumIndicesArrayType = vtkm::cont::ArrayHandleOffsetsToNumComponents<OffsetsArrayType>;
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using ExecConnectivityType =
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vtkm::exec::ConnectivityExplicit<typename ShapesArrayType::ReadPortalType,
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typename ConnectivityArrayType::ReadPortalType,
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typename OffsetsArrayType::ReadPortalType>;
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};
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using ConnTypes =
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ConnectivityChooser<vtkm::TopologyElementTagCell, vtkm::TopologyElementTagPoint>;
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using RConnTypes =
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ConnectivityChooser<vtkm::TopologyElementTagPoint, vtkm::TopologyElementTagCell>;
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using CellPointIdsType = typename ConnTypes::ConnectivityType;
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using PointCellIdsType = typename RConnTypes::ConnectivityType;
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public:
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using SchedulingRangeType = vtkm::Id;
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using ShapesArrayType = typename CellPointIdsType::ShapesArrayType;
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using ConnectivityArrayType = typename CellPointIdsType::ConnectivityArrayType;
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using OffsetsArrayType = typename CellPointIdsType::OffsetsArrayType;
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using NumIndicesArrayType = typename ConnTypes::NumIndicesArrayType;
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VTKM_CONT CellSetExplicit();
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VTKM_CONT CellSetExplicit(const Thisclass& src);
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VTKM_CONT CellSetExplicit(Thisclass&& src) noexcept;
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VTKM_CONT Thisclass& operator=(const Thisclass& src);
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VTKM_CONT Thisclass& operator=(Thisclass&& src) noexcept;
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VTKM_CONT virtual ~CellSetExplicit() override;
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VTKM_CONT vtkm::Id GetNumberOfCells() const override;
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VTKM_CONT vtkm::Id GetNumberOfPoints() const override;
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VTKM_CONT vtkm::Id GetNumberOfFaces() const override;
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VTKM_CONT vtkm::Id GetNumberOfEdges() const override;
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VTKM_CONT void PrintSummary(std::ostream& out) const override;
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VTKM_CONT void ReleaseResourcesExecution() override;
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VTKM_CONT std::shared_ptr<CellSet> NewInstance() const override;
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VTKM_CONT void DeepCopy(const CellSet* src) override;
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VTKM_CONT vtkm::Id GetSchedulingRange(vtkm::TopologyElementTagCell) const;
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VTKM_CONT vtkm::Id GetSchedulingRange(vtkm::TopologyElementTagPoint) const;
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VTKM_CONT vtkm::IdComponent GetNumberOfPointsInCell(vtkm::Id cellid) const override;
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VTKM_CONT void GetCellPointIds(vtkm::Id id, vtkm::Id* ptids) const override;
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VTKM_CONT typename vtkm::cont::ArrayHandle<vtkm::UInt8, ShapesStorageTag>::ReadPortalType
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ShapesReadPortal() const;
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VTKM_CONT vtkm::UInt8 GetCellShape(vtkm::Id cellid) const override;
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template <vtkm::IdComponent NumIndices>
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VTKM_CONT void GetIndices(vtkm::Id index, vtkm::Vec<vtkm::Id, NumIndices>& ids) const;
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VTKM_CONT void GetIndices(vtkm::Id index, vtkm::cont::ArrayHandle<vtkm::Id>& ids) const;
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/// First method to add cells -- one at a time.
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VTKM_CONT void PrepareToAddCells(vtkm::Id numCells, vtkm::Id connectivityMaxLen);
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template <typename IdVecType>
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VTKM_CONT void AddCell(vtkm::UInt8 cellType, vtkm::IdComponent numVertices, const IdVecType& ids);
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VTKM_CONT void CompleteAddingCells(vtkm::Id numPoints);
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/// Second method to add cells -- all at once.
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/// Assigns the array handles to the explicit connectivity. This is
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/// the way you can fill the memory from another system without copying
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VTKM_CONT
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void Fill(vtkm::Id numPoints,
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const vtkm::cont::ArrayHandle<vtkm::UInt8, ShapesStorageTag>& cellTypes,
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const vtkm::cont::ArrayHandle<vtkm::Id, ConnectivityStorageTag>& connectivity,
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const vtkm::cont::ArrayHandle<vtkm::Id, OffsetsStorageTag>& offsets);
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template <typename Device, typename VisitTopology, typename IncidentTopology>
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struct VTKM_DEPRECATED(
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1.6,
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"Replace ExecutionTypes<D, V, I>::ExecObjectType with ExecConnectivityType<V, I>.")
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ExecutionTypes
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{
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private:
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VTKM_IS_DEVICE_ADAPTER_TAG(Device);
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VTKM_IS_TOPOLOGY_ELEMENT_TAG(VisitTopology);
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VTKM_IS_TOPOLOGY_ELEMENT_TAG(IncidentTopology);
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using Chooser = ConnectivityChooser<VisitTopology, IncidentTopology>;
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using ShapesAT = typename Chooser::ShapesArrayType;
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using ConnAT = typename Chooser::ConnectivityArrayType;
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using OffsetsAT = typename Chooser::OffsetsArrayType;
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public:
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using ShapesPortalType = typename ShapesAT::ReadPortalType;
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using ConnectivityPortalType = typename ConnAT::ReadPortalType;
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using OffsetsPortalType = typename OffsetsAT::ReadPortalType;
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using ExecObjectType =
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vtkm::exec::ConnectivityExplicit<ShapesPortalType, ConnectivityPortalType, OffsetsPortalType>;
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};
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template <typename VisitTopology, typename IncidentTopology>
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using ExecConnectivityType =
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typename ConnectivityChooser<VisitTopology, IncidentTopology>::ExecConnectivityType;
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template <typename VisitTopology, typename IncidentTopology>
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VTKM_CONT ExecConnectivityType<VisitTopology, IncidentTopology> PrepareForInput(
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vtkm::cont::DeviceAdapterId,
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VisitTopology,
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IncidentTopology,
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vtkm::cont::Token&) const;
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template <typename VisitTopology, typename IncidentTopology>
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VTKM_DEPRECATED(1.6, "Provide a vtkm::cont::Token object when calling PrepareForInput.")
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VTKM_CONT ExecConnectivityType<VisitTopology, IncidentTopology> PrepareForInput(
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vtkm::cont::DeviceAdapterId device,
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VisitTopology visitTopology,
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IncidentTopology incidentTopology) const
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{
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vtkm::cont::Token token;
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return this->PrepareForInput(device, visitTopology, incidentTopology, token);
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}
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template <typename VisitTopology, typename IncidentTopology>
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VTKM_CONT const typename ConnectivityChooser<VisitTopology, IncidentTopology>::ShapesArrayType&
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GetShapesArray(VisitTopology, IncidentTopology) const;
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template <typename VisitTopology, typename IncidentTopology>
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VTKM_CONT const typename ConnectivityChooser<VisitTopology,
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IncidentTopology>::ConnectivityArrayType&
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GetConnectivityArray(VisitTopology, IncidentTopology) const;
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template <typename VisitTopology, typename IncidentTopology>
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VTKM_CONT const typename ConnectivityChooser<VisitTopology, IncidentTopology>::OffsetsArrayType&
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GetOffsetsArray(VisitTopology, IncidentTopology) const;
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template <typename VisitTopology, typename IncidentTopology>
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VTKM_CONT typename ConnectivityChooser<VisitTopology, IncidentTopology>::NumIndicesArrayType
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GetNumIndicesArray(VisitTopology, IncidentTopology) const;
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template <typename VisitTopology, typename IncidentTopology>
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VTKM_CONT bool HasConnectivity(VisitTopology visit, IncidentTopology incident) const
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{
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return this->HasConnectivityImpl(visit, incident);
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}
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// Can be used to reset a connectivity table, mostly useful for benchmarking.
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template <typename VisitTopology, typename IncidentTopology>
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VTKM_CONT void ResetConnectivity(VisitTopology visit, IncidentTopology incident)
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{
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this->ResetConnectivityImpl(visit, incident);
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}
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protected:
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VTKM_CONT void BuildConnectivity(vtkm::cont::DeviceAdapterId,
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vtkm::TopologyElementTagCell,
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vtkm::TopologyElementTagPoint) const;
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VTKM_CONT void BuildConnectivity(vtkm::cont::DeviceAdapterId,
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vtkm::TopologyElementTagPoint,
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vtkm::TopologyElementTagCell) const;
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VTKM_CONT bool HasConnectivityImpl(vtkm::TopologyElementTagCell,
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vtkm::TopologyElementTagPoint) const
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{
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return this->Data->CellPointIds.ElementsValid;
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}
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VTKM_CONT bool HasConnectivityImpl(vtkm::TopologyElementTagPoint,
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vtkm::TopologyElementTagCell) const
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{
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return this->Data->PointCellIds.ElementsValid;
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}
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VTKM_CONT void ResetConnectivityImpl(vtkm::TopologyElementTagCell, vtkm::TopologyElementTagPoint)
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{
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// Reset entire cell set
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this->Data->CellPointIds = CellPointIdsType{};
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this->Data->PointCellIds = PointCellIdsType{};
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this->Data->ConnectivityAdded = -1;
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this->Data->NumberOfCellsAdded = -1;
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this->Data->NumberOfPoints = 0;
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}
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VTKM_CONT void ResetConnectivityImpl(vtkm::TopologyElementTagPoint, vtkm::TopologyElementTagCell)
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{
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this->Data->PointCellIds = PointCellIdsType{};
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}
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// Store internals in a shared pointer so shallow copies stay consistent.
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// See #2268.
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struct Internals
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{
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CellPointIdsType CellPointIds;
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PointCellIdsType PointCellIds;
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// These are used in the AddCell and related methods to incrementally add
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// cells. They need to be protected as subclasses of CellSetExplicit
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// need to set these values when implementing Fill()
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vtkm::Id ConnectivityAdded;
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vtkm::Id NumberOfCellsAdded;
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vtkm::Id NumberOfPoints;
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VTKM_CONT
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Internals()
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: ConnectivityAdded(-1)
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, NumberOfCellsAdded(-1)
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, NumberOfPoints(0)
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{
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}
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};
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std::shared_ptr<Internals> Data;
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private:
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VTKM_CONT
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const CellPointIdsType& GetConnectivity(vtkm::TopologyElementTagCell,
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vtkm::TopologyElementTagPoint) const
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{
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return this->Data->CellPointIds;
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}
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VTKM_CONT
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const CellPointIdsType& GetConnectivity(vtkm::TopologyElementTagCell,
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vtkm::TopologyElementTagPoint)
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{
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return this->Data->CellPointIds;
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}
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VTKM_CONT
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const PointCellIdsType& GetConnectivity(vtkm::TopologyElementTagPoint,
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vtkm::TopologyElementTagCell) const
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{
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return this->Data->PointCellIds;
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}
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VTKM_CONT
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const PointCellIdsType& GetConnectivity(vtkm::TopologyElementTagPoint,
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vtkm::TopologyElementTagCell)
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{
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return this->Data->PointCellIds;
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}
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};
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namespace detail
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{
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template <typename Storage1, typename Storage2, typename Storage3>
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struct CellSetExplicitConnectivityChooser<vtkm::cont::CellSetExplicit<Storage1, Storage2, Storage3>,
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vtkm::TopologyElementTagCell,
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vtkm::TopologyElementTagPoint>
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{
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using ConnectivityType =
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vtkm::cont::internal::ConnectivityExplicitInternals<Storage1, Storage2, Storage3>;
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};
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template <typename CellSetType>
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struct CellSetExplicitConnectivityChooser<CellSetType,
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vtkm::TopologyElementTagPoint,
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vtkm::TopologyElementTagCell>
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{
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//only specify the shape type as it will be constant as everything
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//is a vertex. otherwise use the defaults.
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using ConnectivityType = vtkm::cont::internal::ConnectivityExplicitInternals<
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typename ArrayHandleConstant<vtkm::UInt8>::StorageTag>;
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};
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} // namespace detail
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/// \cond
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/// Make doxygen ignore this section
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#ifndef vtk_m_cont_CellSetExplicit_cxx
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extern template class VTKM_CONT_TEMPLATE_EXPORT CellSetExplicit<>; // default
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extern template class VTKM_CONT_TEMPLATE_EXPORT CellSetExplicit<
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typename vtkm::cont::ArrayHandleConstant<vtkm::UInt8>::StorageTag,
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VTKM_DEFAULT_CONNECTIVITY_STORAGE_TAG,
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typename vtkm::cont::ArrayHandleCounting<vtkm::Id>::StorageTag>; // CellSetSingleType base
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#endif
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/// \endcond
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}
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} // namespace vtkm::cont
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//=============================================================================
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// Specializations of serialization related classes
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/// @cond SERIALIZATION
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namespace vtkm
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{
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namespace cont
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{
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template <typename SST, typename CST, typename OST>
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struct SerializableTypeString<vtkm::cont::CellSetExplicit<SST, CST, OST>>
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{
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static VTKM_CONT const std::string& Get()
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{
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static std::string name = "CS_Explicit<" +
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SerializableTypeString<vtkm::cont::ArrayHandle<vtkm::UInt8, SST>>::Get() + "_ST," +
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SerializableTypeString<vtkm::cont::ArrayHandle<vtkm::Id, CST>>::Get() + "_ST," +
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SerializableTypeString<vtkm::cont::ArrayHandle<vtkm::Id, OST>>::Get() + "_ST>";
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return name;
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}
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};
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}
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} // vtkm::cont
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namespace mangled_diy_namespace
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{
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template <typename SST, typename CST, typename OST>
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struct Serialization<vtkm::cont::CellSetExplicit<SST, CST, OST>>
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{
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private:
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using Type = vtkm::cont::CellSetExplicit<SST, CST, OST>;
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public:
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static VTKM_CONT void save(BinaryBuffer& bb, const Type& cs)
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{
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vtkmdiy::save(bb, cs.GetNumberOfPoints());
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vtkmdiy::save(
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bb, cs.GetShapesArray(vtkm::TopologyElementTagCell{}, vtkm::TopologyElementTagPoint{}));
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vtkmdiy::save(
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bb, cs.GetConnectivityArray(vtkm::TopologyElementTagCell{}, vtkm::TopologyElementTagPoint{}));
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vtkmdiy::save(
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bb, cs.GetOffsetsArray(vtkm::TopologyElementTagCell{}, vtkm::TopologyElementTagPoint{}));
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}
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static VTKM_CONT void load(BinaryBuffer& bb, Type& cs)
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{
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vtkm::Id numberOfPoints = 0;
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vtkmdiy::load(bb, numberOfPoints);
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vtkm::cont::ArrayHandle<vtkm::UInt8, SST> shapes;
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vtkmdiy::load(bb, shapes);
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vtkm::cont::ArrayHandle<vtkm::Id, CST> connectivity;
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vtkmdiy::load(bb, connectivity);
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vtkm::cont::ArrayHandle<vtkm::Id, OST> offsets;
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vtkmdiy::load(bb, offsets);
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cs = Type{};
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cs.Fill(numberOfPoints, shapes, connectivity, offsets);
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}
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};
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} // diy
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/// @endcond SERIALIZATION
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#ifndef vtk_m_cont_CellSetExplicit_hxx
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#include <vtkm/cont/CellSetExplicit.hxx>
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#endif //vtk_m_cont_CellSetExplicit_hxx
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#endif //vtk_m_cont_CellSetExplicit_h
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