mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-08 21:33:55 +00:00
a6edc832da
cecd81d5d Add types appropriate for Ascent 865855ea0 Add changelog for making ArrayHandleSOA a default array 50ff9c22a Add support of `ArrayHandleSOA` as a default storage type bc09a9cd1 Add precompiled versions of `ArrayRangeCompute` for `ArrayHandleSOA` 77f9ae653 Support `ArrayHandleSOA` only for `Vec` value types Acked-by: Kitware Robot <kwrobot@kitware.com> Acked-by: Robert Maynard <robert.maynard@kitware.com> Merge-request: !2349
652 lines
25 KiB
C++
652 lines
25 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_ArrayHandleSOA_h
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#define vtk_m_cont_ArrayHandleSOA_h
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#include <vtkm/cont/ArrayExtractComponent.h>
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#include <vtkm/cont/ArrayHandle.h>
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#include <vtkm/Math.h>
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#include <vtkm/VecTraits.h>
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#include <vtkm/internal/ArrayPortalBasic.h>
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#include <vtkm/internal/ArrayPortalHelpers.h>
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#include <vtkmstd/integer_sequence.h>
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#include <array>
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#include <limits>
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#include <type_traits>
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namespace vtkm
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{
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namespace internal
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{
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/// \brief An array portal that combines indices from multiple sources.
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///
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/// This will only work if \c VecTraits is defined for the type.
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///
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template <typename ValueType_, typename ComponentPortalType>
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class ArrayPortalSOA
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{
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public:
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using ValueType = ValueType_;
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private:
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using ComponentType = typename ComponentPortalType::ValueType;
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VTKM_STATIC_ASSERT(vtkm::HasVecTraits<ValueType>::value);
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using VTraits = vtkm::VecTraits<ValueType>;
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VTKM_STATIC_ASSERT((std::is_same<typename VTraits::ComponentType, ComponentType>::value));
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static constexpr vtkm::IdComponent NUM_COMPONENTS = VTraits::NUM_COMPONENTS;
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ComponentPortalType Portals[NUM_COMPONENTS];
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vtkm::Id NumberOfValues;
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public:
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VTKM_SUPPRESS_EXEC_WARNINGS
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VTKM_EXEC_CONT explicit ArrayPortalSOA(vtkm::Id numValues = 0)
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: NumberOfValues(numValues)
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{
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}
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VTKM_SUPPRESS_EXEC_WARNINGS
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VTKM_EXEC_CONT void SetPortal(vtkm::IdComponent index, const ComponentPortalType& portal)
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{
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this->Portals[index] = portal;
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}
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VTKM_EXEC_CONT vtkm::Id GetNumberOfValues() const { return this->NumberOfValues; }
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template <typename SPT = ComponentPortalType,
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typename Supported = typename vtkm::internal::PortalSupportsGets<SPT>::type,
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typename = typename std::enable_if<Supported::value>::type>
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VTKM_EXEC_CONT ValueType Get(vtkm::Id valueIndex) const
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{
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return this->Get(valueIndex, vtkmstd::make_index_sequence<NUM_COMPONENTS>());
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}
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template <typename SPT = ComponentPortalType,
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typename Supported = typename vtkm::internal::PortalSupportsSets<SPT>::type,
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typename = typename std::enable_if<Supported::value>::type>
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VTKM_EXEC_CONT void Set(vtkm::Id valueIndex, const ValueType& value) const
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{
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this->Set(valueIndex, value, vtkmstd::make_index_sequence<NUM_COMPONENTS>());
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}
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private:
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VTKM_SUPPRESS_EXEC_WARNINGS
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template <std::size_t I>
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VTKM_EXEC_CONT ComponentType GetComponent(vtkm::Id valueIndex) const
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{
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return this->Portals[I].Get(valueIndex);
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}
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template <std::size_t... I>
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VTKM_EXEC_CONT ValueType Get(vtkm::Id valueIndex, vtkmstd::index_sequence<I...>) const
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{
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return ValueType{ this->GetComponent<I>(valueIndex)... };
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}
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VTKM_SUPPRESS_EXEC_WARNINGS
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template <std::size_t I>
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VTKM_EXEC_CONT bool SetComponent(vtkm::Id valueIndex, const ValueType& value) const
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{
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this->Portals[I].Set(valueIndex,
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VTraits::GetComponent(value, static_cast<vtkm::IdComponent>(I)));
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return true;
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}
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template <std::size_t... I>
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VTKM_EXEC_CONT void Set(vtkm::Id valueIndex,
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const ValueType& value,
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vtkmstd::index_sequence<I...>) const
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{
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// Is there a better way to unpack an expression and execute them with no other side effects?
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(void)std::initializer_list<bool>{ this->SetComponent<I>(valueIndex, value)... };
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}
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};
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} // namespace internal
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namespace cont
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{
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struct VTKM_ALWAYS_EXPORT StorageTagSOA
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{
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};
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namespace internal
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{
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template <typename ComponentType, vtkm::IdComponent NUM_COMPONENTS>
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class VTKM_ALWAYS_EXPORT
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Storage<vtkm::Vec<ComponentType, NUM_COMPONENTS>, vtkm::cont::StorageTagSOA>
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{
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using ValueType = vtkm::Vec<ComponentType, NUM_COMPONENTS>;
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public:
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using ReadPortalType =
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vtkm::internal::ArrayPortalSOA<ValueType, vtkm::internal::ArrayPortalBasicRead<ComponentType>>;
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using WritePortalType =
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vtkm::internal::ArrayPortalSOA<ValueType, vtkm::internal::ArrayPortalBasicWrite<ComponentType>>;
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VTKM_CONT constexpr static vtkm::IdComponent GetNumberOfBuffers() { return NUM_COMPONENTS; }
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VTKM_CONT static void ResizeBuffers(vtkm::Id numValues,
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vtkm::cont::internal::Buffer* buffers,
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vtkm::CopyFlag preserve,
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vtkm::cont::Token& token)
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{
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vtkm::BufferSizeType numBytes =
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vtkm::internal::NumberOfValuesToNumberOfBytes<ComponentType>(numValues);
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for (vtkm::IdComponent componentIndex = 0; componentIndex < NUM_COMPONENTS; ++componentIndex)
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{
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buffers[componentIndex].SetNumberOfBytes(numBytes, preserve, token);
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}
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}
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VTKM_CONT static vtkm::Id GetNumberOfValues(const vtkm::cont::internal::Buffer* buffers)
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{
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// Assume all buffers are the same size.
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return static_cast<vtkm::Id>(buffers[0].GetNumberOfBytes()) /
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static_cast<vtkm::Id>(sizeof(ComponentType));
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}
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VTKM_CONT static ReadPortalType CreateReadPortal(const vtkm::cont::internal::Buffer* buffers,
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vtkm::cont::DeviceAdapterId device,
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vtkm::cont::Token& token)
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{
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vtkm::Id numValues = GetNumberOfValues(buffers);
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ReadPortalType portal(numValues);
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for (vtkm::IdComponent componentIndex = 0; componentIndex < NUM_COMPONENTS; ++componentIndex)
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{
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VTKM_ASSERT(buffers[0].GetNumberOfBytes() == buffers[componentIndex].GetNumberOfBytes());
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portal.SetPortal(componentIndex,
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vtkm::internal::ArrayPortalBasicRead<ComponentType>(
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reinterpret_cast<const ComponentType*>(
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buffers[componentIndex].ReadPointerDevice(device, token)),
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numValues));
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}
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return portal;
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}
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VTKM_CONT static WritePortalType CreateWritePortal(vtkm::cont::internal::Buffer* buffers,
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vtkm::cont::DeviceAdapterId device,
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vtkm::cont::Token& token)
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{
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vtkm::Id numValues = GetNumberOfValues(buffers);
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WritePortalType portal(numValues);
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for (vtkm::IdComponent componentIndex = 0; componentIndex < NUM_COMPONENTS; ++componentIndex)
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{
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VTKM_ASSERT(buffers[0].GetNumberOfBytes() == buffers[componentIndex].GetNumberOfBytes());
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portal.SetPortal(componentIndex,
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vtkm::internal::ArrayPortalBasicWrite<ComponentType>(
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reinterpret_cast<ComponentType*>(
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buffers[componentIndex].WritePointerDevice(device, token)),
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numValues));
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}
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return portal;
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}
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};
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} // namespace internal
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/// \brief An `ArrayHandle` that for Vecs stores each component in a separate physical array.
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///
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/// `ArrayHandleSOA` behaves like a regular `ArrayHandle` (with a basic storage) except that
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/// if you specify a `ValueType` of a `Vec` or a `Vec-like`, it will actually store each
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/// component in a separate physical array. When data are retrieved from the array, they are
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/// reconstructed into `Vec` objects as expected.
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///
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/// The intention of this array type is to help cover the most common ways data is lain out in
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/// memory. Typically, arrays of data are either an "array of structures" like the basic storage
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/// where you have a single array of structures (like `Vec`) or a "structure of arrays" where
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/// you have an array of a basic type (like `float`) for each component of the data being
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/// represented. The `ArrayHandleSOA` makes it easy to cover this second case without creating
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/// special types.
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///
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/// `ArrayHandleSOA` can be constructed from a collection of `ArrayHandle` with basic storage.
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/// This allows you to construct `Vec` arrays from components without deep copies.
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///
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template <typename T>
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class ArrayHandleSOA : public ArrayHandle<T, vtkm::cont::StorageTagSOA>
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{
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using ComponentType = typename vtkm::VecTraits<T>::ComponentType;
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static constexpr vtkm::IdComponent NUM_COMPONENTS = vtkm::VecTraits<T>::NUM_COMPONENTS;
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using StorageType = vtkm::cont::internal::Storage<T, vtkm::cont::StorageTagSOA>;
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using ComponentArrayType = vtkm::cont::ArrayHandle<ComponentType, vtkm::cont::StorageTagBasic>;
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public:
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VTKM_ARRAY_HANDLE_SUBCLASS(ArrayHandleSOA,
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(ArrayHandleSOA<T>),
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(ArrayHandle<T, vtkm::cont::StorageTagSOA>));
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ArrayHandleSOA(std::initializer_list<vtkm::cont::internal::Buffer>&& componentBuffers)
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: Superclass(std::move(componentBuffers))
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{
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}
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ArrayHandleSOA(const std::array<ComponentArrayType, NUM_COMPONENTS>& componentArrays)
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{
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for (vtkm::IdComponent componentIndex = 0; componentIndex < NUM_COMPONENTS; ++componentIndex)
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{
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this->SetArray(componentIndex, componentArrays[componentIndex]);
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}
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}
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ArrayHandleSOA(const std::vector<ComponentArrayType>& componentArrays)
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{
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VTKM_ASSERT(componentArrays.size() == NUM_COMPONENTS);
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for (vtkm::IdComponent componentIndex = 0; componentIndex < NUM_COMPONENTS; ++componentIndex)
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{
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this->SetArray(componentIndex, componentArrays[componentIndex]);
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}
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}
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ArrayHandleSOA(std::initializer_list<ComponentArrayType>&& componentArrays)
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{
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VTKM_ASSERT(componentArrays.size() == NUM_COMPONENTS);
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vtkm::IdComponent componentIndex = 0;
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for (auto&& array : componentArrays)
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{
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this->SetArray(componentIndex, array);
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++componentIndex;
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}
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}
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ArrayHandleSOA(std::initializer_list<std::vector<ComponentType>>&& componentVectors)
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{
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VTKM_ASSERT(componentVectors.size() == NUM_COMPONENTS);
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vtkm::IdComponent componentIndex = 0;
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for (auto&& vector : componentVectors)
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{
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// Note, std::vectors that come from std::initializer_list must be copied because the scope
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// of the objects in the initializer list disappears.
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this->SetArray(componentIndex, vtkm::cont::make_ArrayHandle(vector, vtkm::CopyFlag::On));
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++componentIndex;
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}
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}
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// This only works if all the templated arguments are of type std::vector<ComponentType>.
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template <typename Allocator, typename... RemainingVectors>
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ArrayHandleSOA(vtkm::CopyFlag copy,
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const std::vector<ComponentType, Allocator>& vector0,
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RemainingVectors&&... componentVectors)
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: Superclass(std::vector<vtkm::cont::internal::Buffer>{
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vtkm::cont::make_ArrayHandle(vector0, copy).GetBuffers()[0],
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vtkm::cont::make_ArrayHandle(std::forward<RemainingVectors>(componentVectors), copy)
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.GetBuffers()[0]... })
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{
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VTKM_STATIC_ASSERT(sizeof...(RemainingVectors) + 1 == NUM_COMPONENTS);
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}
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// This only works if all the templated arguments are of type std::vector<ComponentType>.
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template <typename... RemainingVectors>
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ArrayHandleSOA(vtkm::CopyFlag copy,
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std::vector<ComponentType>&& vector0,
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RemainingVectors&&... componentVectors)
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: Superclass(std::vector<vtkm::cont::internal::Buffer>{
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vtkm::cont::make_ArrayHandle(std::move(vector0), copy),
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vtkm::cont::make_ArrayHandle(std::forward<RemainingVectors>(componentVectors), copy)
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.GetBuffers()[0]... })
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{
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VTKM_STATIC_ASSERT(sizeof...(RemainingVectors) + 1 == NUM_COMPONENTS);
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}
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// This only works if all the templated arguments are of type std::vector<ComponentType>.
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template <typename... RemainingVectors>
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#ifndef VTKM_MSVC
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// For some reason, having VTKM_DEPRECATED here is causing a syntax error in some MSVC
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// compilers.
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VTKM_DEPRECATED(1.6, "Specify a vtkm::CopyFlag or use a move version of make_ArrayHandle.")
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#endif
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ArrayHandleSOA(const std::vector<ComponentType>& vector0,
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const RemainingVectors&... componentVectors)
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: Superclass(std::vector<vtkm::cont::internal::Buffer>{
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vtkm::cont::make_ArrayHandle(vector0, vtkm::CopyFlag::Off).GetBuffers()[0],
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vtkm::cont::make_ArrayHandle(std::forward<RemainingVectors>(componentVectors),
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vtkm::CopyFlag::Off)
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.GetBuffers()[0]... })
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{
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VTKM_STATIC_ASSERT(sizeof...(RemainingVectors) + 1 == NUM_COMPONENTS);
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}
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ArrayHandleSOA(std::initializer_list<const ComponentType*> componentArrays,
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vtkm::Id length,
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vtkm::CopyFlag copy)
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{
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VTKM_ASSERT(componentArrays.size() == NUM_COMPONENTS);
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vtkm::IdComponent componentIndex = 0;
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for (auto&& vectorIter = componentArrays.begin(); vectorIter != componentArrays.end();
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++vectorIter)
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{
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this->SetArray(componentIndex, vtkm::cont::make_ArrayHandle(*vectorIter, length, copy));
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++componentIndex;
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}
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}
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VTKM_DEPRECATED(1.6, "Specify a vtkm::CopyFlag or use a move version of make_ArrayHandle.")
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ArrayHandleSOA(std::initializer_list<const ComponentType*> componentArrays, vtkm::Id length)
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{
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VTKM_ASSERT(componentArrays.size() == NUM_COMPONENTS);
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vtkm::IdComponent componentIndex = 0;
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for (auto&& vectorIter = componentArrays.begin(); vectorIter != componentArrays.end();
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++vectorIter)
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{
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this->SetArray(componentIndex,
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vtkm::cont::make_ArrayHandle(*vectorIter, length, vtkm::CopyFlag::Off));
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++componentIndex;
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}
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}
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// This only works if all the templated arguments are of type std::vector<ComponentType>.
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template <typename... RemainingArrays>
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ArrayHandleSOA(vtkm::Id length,
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vtkm::CopyFlag copy,
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const ComponentType* array0,
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const RemainingArrays&... componentArrays)
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: Superclass(std::vector<vtkm::cont::internal::Buffer>{
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vtkm::cont::make_ArrayHandle(array0, length, copy).GetBuffers()[0],
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vtkm::cont::make_ArrayHandle(componentArrays, length, copy).GetBuffers()[0]... })
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{
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VTKM_STATIC_ASSERT(sizeof...(RemainingArrays) + 1 == NUM_COMPONENTS);
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}
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// This only works if all the templated arguments are of type std::vector<ComponentType>.
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template <typename... RemainingArrays>
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#ifndef VTKM_MSVC
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// For some reason, having VTKM_DEPRECATED here is causing a syntax error in some MSVC
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// compilers.
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VTKM_DEPRECATED(1.6, "Specify a vtkm::CopyFlag or use a move version of make_ArrayHandle.")
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#endif
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ArrayHandleSOA(vtkm::Id length,
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const ComponentType* array0,
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const RemainingArrays&... componentArrays)
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: Superclass(std::vector<vtkm::cont::internal::Buffer>{
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vtkm::cont::make_ArrayHandle(array0, length, vtkm::CopyFlag::Off).GetBuffers()[0],
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vtkm::cont::make_ArrayHandle(componentArrays, length, vtkm::CopyFlag::Off)
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.GetBuffers()[0]... })
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{
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VTKM_STATIC_ASSERT(sizeof...(RemainingArrays) + 1 == NUM_COMPONENTS);
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}
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VTKM_CONT vtkm::cont::ArrayHandleBasic<ComponentType> GetArray(vtkm::IdComponent index) const
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{
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return ComponentArrayType(&this->GetBuffers()[index]);
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}
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VTKM_CONT void SetArray(vtkm::IdComponent index, const ComponentArrayType& array)
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{
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this->SetBuffer(index, array.GetBuffers()[0]);
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}
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};
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template <typename ValueType>
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VTKM_CONT ArrayHandleSOA<ValueType> make_ArrayHandleSOA(
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std::initializer_list<vtkm::cont::ArrayHandle<typename vtkm::VecTraits<ValueType>::ComponentType,
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vtkm::cont::StorageTagBasic>>&& componentArrays)
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{
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return ArrayHandleSOA<ValueType>(std::move(componentArrays));
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}
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template <typename ComponentType, typename... RemainingArrays>
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VTKM_CONT
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ArrayHandleSOA<vtkm::Vec<ComponentType, vtkm::IdComponent(sizeof...(RemainingArrays) + 1)>>
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make_ArrayHandleSOA(
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const vtkm::cont::ArrayHandle<ComponentType, vtkm::cont::StorageTagBasic>& componentArray0,
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const RemainingArrays&... componentArrays)
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{
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return { componentArray0, componentArrays... };
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}
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template <typename ValueType>
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VTKM_CONT ArrayHandleSOA<ValueType> make_ArrayHandleSOA(
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std::initializer_list<std::vector<typename vtkm::VecTraits<ValueType>::ComponentType>>&&
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componentVectors)
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{
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return ArrayHandleSOA<ValueType>(std::move(componentVectors));
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}
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// This only works if all the templated arguments are of type std::vector<ComponentType>.
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template <typename ComponentType, typename... RemainingVectors>
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VTKM_CONT
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ArrayHandleSOA<vtkm::Vec<ComponentType, vtkm::IdComponent(sizeof...(RemainingVectors) + 1)>>
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make_ArrayHandleSOA(vtkm::CopyFlag copy,
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const std::vector<ComponentType>& vector0,
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RemainingVectors&&... componentVectors)
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{
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// Convert std::vector to ArrayHandle first so that it correctly handles a mix of rvalue args.
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return { vtkm::cont::make_ArrayHandle(vector0, copy),
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vtkm::cont::make_ArrayHandle(std::forward<RemainingVectors>(componentVectors),
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copy)... };
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}
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// This only works if all the templated arguments are of type std::vector<ComponentType>.
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template <typename ComponentType, typename... RemainingVectors>
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VTKM_CONT
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ArrayHandleSOA<vtkm::Vec<ComponentType, vtkm::IdComponent(sizeof...(RemainingVectors) + 1)>>
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make_ArrayHandleSOA(vtkm::CopyFlag copy,
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std::vector<ComponentType>&& vector0,
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RemainingVectors&&... componentVectors)
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{
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// Convert std::vector to ArrayHandle first so that it correctly handles a mix of rvalue args.
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return ArrayHandleSOA<
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vtkm::Vec<ComponentType, vtkm::IdComponent(sizeof...(RemainingVectors) + 1)>>(
|
|
vtkm::cont::make_ArrayHandle(std::move(vector0), copy),
|
|
vtkm::cont::make_ArrayHandle(std::forward<RemainingVectors>(componentVectors), copy)...);
|
|
}
|
|
|
|
template <typename ComponentType, typename... RemainingVectors>
|
|
VTKM_DEPRECATED(1.6, "Specify a vtkm::CopyFlag or use a move version of make_ArrayHandle.")
|
|
VTKM_CONT ArrayHandleSOA<
|
|
vtkm::Vec<ComponentType,
|
|
vtkm::IdComponent(sizeof...(RemainingVectors) +
|
|
1)>> make_ArrayHandleSOA(const std::vector<ComponentType>& vector0,
|
|
const RemainingVectors&... componentVectors)
|
|
{
|
|
return ArrayHandleSOA<
|
|
vtkm::Vec<ComponentType, vtkm::IdComponent(sizeof...(RemainingVectors) + 1)>>(
|
|
vector0, componentVectors...);
|
|
}
|
|
|
|
// This only works if all the templated arguments are rvalues of std::vector<ComponentType>.
|
|
template <typename ComponentType, typename... RemainingVectors>
|
|
VTKM_CONT
|
|
ArrayHandleSOA<vtkm::Vec<ComponentType, vtkm::IdComponent(sizeof...(RemainingVectors) + 1)>>
|
|
make_ArrayHandleSOAMove(std::vector<ComponentType>&& vector0,
|
|
RemainingVectors&&... componentVectors)
|
|
{
|
|
return { vtkm::cont::make_ArrayHandleMove(std::move(vector0)),
|
|
vtkm::cont::make_ArrayHandleMove(std::forward<RemainingVectors>(componentVectors))... };
|
|
}
|
|
|
|
template <typename ValueType>
|
|
VTKM_CONT ArrayHandleSOA<ValueType> make_ArrayHandleSOA(
|
|
std::initializer_list<const typename vtkm::VecTraits<ValueType>::ComponentType*>&&
|
|
componentVectors,
|
|
vtkm::Id length,
|
|
vtkm::CopyFlag copy)
|
|
{
|
|
return ArrayHandleSOA<ValueType>(std::move(componentVectors), length, copy);
|
|
}
|
|
|
|
template <typename ValueType>
|
|
VTKM_DEPRECATED(1.6, "Specify a vtkm::CopyFlag or use a move version of make_ArrayHandle.")
|
|
VTKM_CONT ArrayHandleSOA<ValueType> make_ArrayHandleSOA(
|
|
std::initializer_list<const typename vtkm::VecTraits<ValueType>::ComponentType*>&&
|
|
componentVectors,
|
|
vtkm::Id length)
|
|
{
|
|
return vtkm::cont::make_ArrayHandleSOA(std::move(componentVectors), length, vtkm::CopyFlag::Off);
|
|
}
|
|
|
|
// This only works if all the templated arguments are of type std::vector<ComponentType>.
|
|
template <typename ComponentType, typename... RemainingArrays>
|
|
VTKM_CONT
|
|
ArrayHandleSOA<vtkm::Vec<ComponentType, vtkm::IdComponent(sizeof...(RemainingArrays) + 1)>>
|
|
make_ArrayHandleSOA(vtkm::Id length,
|
|
vtkm::CopyFlag copy,
|
|
const ComponentType* array0,
|
|
const RemainingArrays*... componentArrays)
|
|
{
|
|
return ArrayHandleSOA<
|
|
vtkm::Vec<ComponentType, vtkm::IdComponent(sizeof...(RemainingArrays) + 1)>>(
|
|
length, copy, array0, componentArrays...);
|
|
}
|
|
|
|
template <typename ComponentType, typename... RemainingArrays>
|
|
VTKM_DEPRECATED(1.6, "Specify a vtkm::CopyFlag or use a move version of make_ArrayHandle.")
|
|
VTKM_CONT ArrayHandleSOA<
|
|
vtkm::Vec<ComponentType,
|
|
vtkm::IdComponent(sizeof...(RemainingArrays) +
|
|
1)>> make_ArrayHandleSOA(vtkm::Id length,
|
|
const ComponentType* array0,
|
|
const RemainingArrays*... componentArrays)
|
|
{
|
|
return ArrayHandleSOA<
|
|
vtkm::Vec<ComponentType, vtkm::IdComponent(sizeof...(RemainingArrays) + 1)>>(
|
|
length, array0, componentArrays...);
|
|
}
|
|
|
|
namespace internal
|
|
{
|
|
|
|
template <>
|
|
struct ArrayExtractComponentImpl<vtkm::cont::StorageTagSOA>
|
|
{
|
|
template <typename T>
|
|
auto operator()(const vtkm::cont::ArrayHandle<T, vtkm::cont::StorageTagSOA>& src,
|
|
vtkm::IdComponent componentIndex,
|
|
vtkm::CopyFlag allowCopy) const
|
|
-> decltype(
|
|
ArrayExtractComponentImpl<vtkm::cont::StorageTagBasic>{}(vtkm::cont::ArrayHandleBasic<T>{},
|
|
componentIndex,
|
|
allowCopy))
|
|
{
|
|
using FirstLevelComponentType = typename vtkm::VecTraits<T>::ComponentType;
|
|
vtkm::cont::ArrayHandleSOA<T> array(src);
|
|
constexpr vtkm::IdComponent NUM_SUB_COMPONENTS =
|
|
vtkm::VecFlat<FirstLevelComponentType>::NUM_COMPONENTS;
|
|
return ArrayExtractComponentImpl<vtkm::cont::StorageTagBasic>{}(
|
|
array.GetArray(componentIndex / NUM_SUB_COMPONENTS),
|
|
componentIndex % NUM_SUB_COMPONENTS,
|
|
allowCopy);
|
|
}
|
|
};
|
|
|
|
} // namespace internal
|
|
|
|
}
|
|
} // namespace vtkm::cont
|
|
|
|
//=============================================================================
|
|
// Specializations of serialization related classes
|
|
/// @cond SERIALIZATION
|
|
|
|
namespace vtkm
|
|
{
|
|
namespace cont
|
|
{
|
|
|
|
template <typename ValueType>
|
|
struct SerializableTypeString<vtkm::cont::ArrayHandleSOA<ValueType>>
|
|
{
|
|
static VTKM_CONT const std::string& Get()
|
|
{
|
|
static std::string name = "AH_SOA<" + SerializableTypeString<ValueType>::Get() + ">";
|
|
return name;
|
|
}
|
|
};
|
|
|
|
template <typename ValueType>
|
|
struct SerializableTypeString<vtkm::cont::ArrayHandle<ValueType, vtkm::cont::StorageTagSOA>>
|
|
: SerializableTypeString<vtkm::cont::ArrayHandleSOA<ValueType>>
|
|
{
|
|
};
|
|
}
|
|
} // namespace vtkm::cont
|
|
|
|
namespace mangled_diy_namespace
|
|
{
|
|
|
|
template <typename ValueType>
|
|
struct Serialization<vtkm::cont::ArrayHandleSOA<ValueType>>
|
|
{
|
|
using BaseType = vtkm::cont::ArrayHandle<ValueType, vtkm::cont::StorageTagSOA>;
|
|
static constexpr vtkm::IdComponent NUM_COMPONENTS = vtkm::VecTraits<ValueType>::NUM_COMPONENTS;
|
|
|
|
static VTKM_CONT void save(BinaryBuffer& bb, const BaseType& obj)
|
|
{
|
|
for (vtkm::IdComponent componentIndex = 0; componentIndex < NUM_COMPONENTS; ++componentIndex)
|
|
{
|
|
vtkmdiy::save(bb, obj.GetBuffers()[componentIndex]);
|
|
}
|
|
}
|
|
|
|
static VTKM_CONT void load(BinaryBuffer& bb, BaseType& obj)
|
|
{
|
|
std::vector<vtkm::cont::internal::Buffer> buffers(NUM_COMPONENTS);
|
|
for (std::size_t componentIndex = 0; componentIndex < NUM_COMPONENTS; ++componentIndex)
|
|
{
|
|
vtkmdiy::load(bb, buffers[componentIndex]);
|
|
}
|
|
obj = BaseType(buffers);
|
|
}
|
|
};
|
|
|
|
template <typename ValueType>
|
|
struct Serialization<vtkm::cont::ArrayHandle<ValueType, vtkm::cont::StorageTagSOA>>
|
|
: Serialization<vtkm::cont::ArrayHandleSOA<ValueType>>
|
|
{
|
|
};
|
|
|
|
} // namespace mangled_diy_namespace
|
|
// @endcond SERIALIZATION
|
|
|
|
//=============================================================================
|
|
// Precompiled instances
|
|
|
|
#ifndef vtkm_cont_ArrayHandleSOA_cxx
|
|
|
|
namespace vtkm
|
|
{
|
|
namespace cont
|
|
{
|
|
|
|
#define VTKM_ARRAYHANDLE_SOA_EXPORT(Type) \
|
|
extern template class VTKM_CONT_TEMPLATE_EXPORT ArrayHandle<vtkm::Vec<Type, 2>, StorageTagSOA>; \
|
|
extern template class VTKM_CONT_TEMPLATE_EXPORT ArrayHandle<vtkm::Vec<Type, 3>, StorageTagSOA>; \
|
|
extern template class VTKM_CONT_TEMPLATE_EXPORT ArrayHandle<vtkm::Vec<Type, 4>, StorageTagSOA>;
|
|
|
|
VTKM_ARRAYHANDLE_SOA_EXPORT(char)
|
|
VTKM_ARRAYHANDLE_SOA_EXPORT(vtkm::Int8)
|
|
VTKM_ARRAYHANDLE_SOA_EXPORT(vtkm::UInt8)
|
|
VTKM_ARRAYHANDLE_SOA_EXPORT(vtkm::Int16)
|
|
VTKM_ARRAYHANDLE_SOA_EXPORT(vtkm::UInt16)
|
|
VTKM_ARRAYHANDLE_SOA_EXPORT(vtkm::Int32)
|
|
VTKM_ARRAYHANDLE_SOA_EXPORT(vtkm::UInt32)
|
|
VTKM_ARRAYHANDLE_SOA_EXPORT(vtkm::Int64)
|
|
VTKM_ARRAYHANDLE_SOA_EXPORT(vtkm::UInt64)
|
|
VTKM_ARRAYHANDLE_SOA_EXPORT(vtkm::Float32)
|
|
VTKM_ARRAYHANDLE_SOA_EXPORT(vtkm::Float64)
|
|
|
|
#undef VTKM_ARRAYHANDLE_SOA_EXPORT
|
|
}
|
|
} // namespace vtkm::cont
|
|
|
|
#endif // !vtkm_cont_ArrayHandleSOA_cxx
|
|
|
|
#endif //vtk_m_cont_ArrayHandleSOA_h
|