05f144eb19
Previously, the number of buffers held by an `ArrayHandle` had to be determined statically at compile time by the storage. Most of the time this is fine. However, there are some exceptions where the number of buffers need to be selected at runtime. For example, the `ArrayHandleRecombineVec` does not specify the number of components it uses, and it needed a hack where it stored buffers in the metadata of another buffer, which is bad. This change allows the number of buffers to vary at runtime (at least at construction). The buffers were already managed in a `std::vector`. It now no longer forces the vector to be a specific size. `GetNumberOfBuffers` was removed from the `Storage`. Instead, if the number of buffers was not specified at construction, an allocation of size 0 is done to create default buffers. The biggest change is to the interface of the storage object methods, which now take `std::vector` instead of pointers to `Buffer` objects. This adds a little hastle in having to copy subsets of this `vector` when a storage object has multiple sub-arrays. But it does simplify some of the templating.
491 lines
14 KiB
C++
491 lines
14 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_ArrayHandleXGCCoordinates_h
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#define vtk_m_cont_ArrayHandleXGCCoordinates_h
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#include <vtkm/Math.h>
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#include <vtkm/cont/ArrayHandle.h>
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#include <vtkm/cont/ErrorBadType.h>
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#include <vtkm/internal/IndicesExtrude.h>
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namespace vtkm
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{
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namespace internal
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{
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template <typename PortalType>
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struct VTKM_ALWAYS_EXPORT ArrayPortalXGCCoordinates
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{
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using ValueType = vtkm::Vec<typename PortalType::ValueType, 3>;
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VTKM_SUPPRESS_EXEC_WARNINGS
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VTKM_EXEC_CONT
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ArrayPortalXGCCoordinates()
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: Portal()
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, NumberOfPointsPerPlane(0)
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, NumberOfPlanes(0)
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, NumberOfPlanesOwned(0)
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, PlaneStartId(0)
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, UseCylindrical(false){};
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VTKM_SUPPRESS_EXEC_WARNINGS
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VTKM_EXEC_CONT
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ArrayPortalXGCCoordinates(const PortalType& p,
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vtkm::Id numOfPlanes,
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vtkm::Id numOfPlanesOwned,
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vtkm::Id planeStartId,
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bool cylindrical = false)
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: Portal(p)
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, NumberOfPlanes(numOfPlanes)
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, NumberOfPlanesOwned(numOfPlanesOwned)
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, PlaneStartId(planeStartId)
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, UseCylindrical(cylindrical)
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{
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this->NumberOfPointsPerPlane = this->Portal.GetNumberOfValues() / 2;
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}
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VTKM_SUPPRESS_EXEC_WARNINGS
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VTKM_EXEC_CONT
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vtkm::Id GetNumberOfValues() const
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{
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return (this->NumberOfPointsPerPlane * static_cast<vtkm::Id>(NumberOfPlanesOwned));
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}
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VTKM_SUPPRESS_EXEC_WARNINGS
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VTKM_EXEC_CONT
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ValueType Get(vtkm::Id index) const
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{
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const vtkm::Id realIdx = ((index * 2) % this->Portal.GetNumberOfValues()) / 2;
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const vtkm::Id whichPlane = (index * 2) / this->Portal.GetNumberOfValues() + this->PlaneStartId;
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return this->Get(vtkm::Id2(realIdx, whichPlane));
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}
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VTKM_SUPPRESS_EXEC_WARNINGS
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VTKM_EXEC_CONT
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ValueType Get(vtkm::Id2 index) const
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{
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using CompType = typename ValueType::ComponentType;
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const vtkm::Id realIdx = (index[0] * 2);
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const vtkm::Id whichPlane = index[1];
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const auto phi = static_cast<CompType>(whichPlane * (vtkm::TwoPi() / this->NumberOfPlanes));
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auto r = this->Portal.Get(realIdx);
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auto z = this->Portal.Get(realIdx + 1);
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if (this->UseCylindrical)
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{
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return ValueType(r, phi, z);
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}
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else
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{
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return ValueType(r * vtkm::Cos(phi), r * vtkm::Sin(phi), z);
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}
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}
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VTKM_SUPPRESS_EXEC_WARNINGS
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VTKM_EXEC_CONT
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vtkm::Vec<ValueType, 6> GetWedge(const exec::IndicesExtrude& index) const
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{
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using CompType = typename ValueType::ComponentType;
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vtkm::Vec<ValueType, 6> result;
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for (int j = 0; j < 2; ++j)
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{
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const auto phi =
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static_cast<CompType>(index.Planes[j] * (vtkm::TwoPi() / this->NumberOfPlanes));
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for (int i = 0; i < 3; ++i)
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{
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const vtkm::Id realIdx = index.PointIds[j][i] * 2;
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auto r = this->Portal.Get(realIdx);
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auto z = this->Portal.Get(realIdx + 1);
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result[3 * j + i] = this->UseCylindrical
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? ValueType(r, phi, z)
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: ValueType(r * vtkm::Cos(phi), r * vtkm::Sin(phi), z);
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}
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}
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return result;
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}
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private:
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PortalType Portal;
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vtkm::Id NumberOfPointsPerPlane;
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vtkm::Id NumberOfPlanes;
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vtkm::Id NumberOfPlanesOwned;
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vtkm::Id PlaneStartId;
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bool UseCylindrical;
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};
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}
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} // namespace vtkm::internal
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namespace vtkm
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{
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namespace cont
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{
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struct VTKM_ALWAYS_EXPORT StorageTagXGCCoordinates
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{
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};
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namespace internal
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{
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struct XGCCoordinatesMetaData
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{
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vtkm::Id NumberOfPlanes = 0;
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vtkm::Id NumberOfPlanesOwned = 0;
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vtkm::Id PlaneStartId = -1;
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bool UseCylindrical = false;
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XGCCoordinatesMetaData() = default;
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XGCCoordinatesMetaData(vtkm::Id numberOfPlanes,
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vtkm::Id numberOfPlanesOwned,
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vtkm::Id planeStartId,
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bool useCylindrical)
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: NumberOfPlanes(numberOfPlanes)
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, NumberOfPlanesOwned(numberOfPlanesOwned)
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, PlaneStartId(planeStartId)
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, UseCylindrical(useCylindrical)
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{
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}
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};
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namespace detail
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{
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template <typename T>
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class XGCCoordinatesStorageImpl
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{
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using SourceStorage = Storage<T, StorageTagBasic>; // only allow input AH to use StorageTagBasic
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using MetaData = XGCCoordinatesMetaData;
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static MetaData& GetMetaData(const std::vector<vtkm::cont::internal::Buffer>& buffers)
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{
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return buffers[0].GetMetaData<MetaData>();
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}
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// Used to skip the metadata buffer and return only actual data buffers
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VTKM_CONT static std::vector<vtkm::cont::internal::Buffer> SourceBuffers(
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const std::vector<vtkm::cont::internal::Buffer>& buffers)
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{
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return std::vector<vtkm::cont::internal::Buffer>(buffers.begin() + 1, buffers.end());
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}
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public:
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using ReadPortalType =
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vtkm::internal::ArrayPortalXGCCoordinates<typename SourceStorage::ReadPortalType>;
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VTKM_CONT static vtkm::Id GetNumberOfValues(
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const std::vector<vtkm::cont::internal::Buffer>& buffers)
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{
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return GetNumberOfValuesPerPlane(buffers) * GetNumberOfPlanesOwned(buffers);
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}
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VTKM_CONT static vtkm::Id GetNumberOfValuesPerPlane(
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const std::vector<vtkm::cont::internal::Buffer>& buffers)
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{
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return SourceStorage::GetNumberOfValues(SourceBuffers(buffers)) / 2;
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}
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VTKM_CONT static vtkm::Id GetNumberOfPlanes(
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const std::vector<vtkm::cont::internal::Buffer>& buffers)
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{
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return GetMetaData(buffers).NumberOfPlanes;
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}
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VTKM_CONT static vtkm::Id GetNumberOfPlanesOwned(
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const std::vector<vtkm::cont::internal::Buffer>& buffers)
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{
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return GetMetaData(buffers).NumberOfPlanesOwned;
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}
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VTKM_CONT static vtkm::Id GetPlaneStartId(
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const std::vector<vtkm::cont::internal::Buffer>& buffers)
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{
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return GetMetaData(buffers).PlaneStartId;
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}
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VTKM_CONT static bool GetUseCylindrical(const std::vector<vtkm::cont::internal::Buffer>& buffers)
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{
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return GetMetaData(buffers).UseCylindrical;
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}
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VTKM_CONT static ReadPortalType CreateReadPortal(
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const std::vector<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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return ReadPortalType(SourceStorage::CreateReadPortal(SourceBuffers(buffers), device, token),
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GetNumberOfPlanes(buffers),
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GetNumberOfPlanesOwned(buffers),
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GetPlaneStartId(buffers),
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GetUseCylindrical(buffers));
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}
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VTKM_CONT static std::vector<vtkm::cont::internal::Buffer> CreateBuffers(
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const vtkm::cont::ArrayHandle<T>& array,
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vtkm::Id numberOfPlanes,
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vtkm::Id numberOfPlanesOwned,
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vtkm::Id planeStartId,
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bool useCylindrical)
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{
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return vtkm::cont::internal::CreateBuffers(
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MetaData(numberOfPlanes, numberOfPlanesOwned, planeStartId, useCylindrical), array);
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}
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VTKM_CONT static std::vector<vtkm::cont::internal::Buffer> CreateBuffers()
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{
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return CreateBuffers(vtkm::cont::ArrayHandle<T>{}, 0, 0, 0, false);
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}
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VTKM_CONT static vtkm::cont::ArrayHandle<T> GetArrayHandle(
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const std::vector<vtkm::cont::internal::Buffer>& buffers)
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{
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return vtkm::cont::ArrayHandle<T>(SourceBuffers(buffers));
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}
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};
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} // namespace detail
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template <>
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class Storage<vtkm::Vec3f_32, vtkm::cont::StorageTagXGCCoordinates>
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: public detail::XGCCoordinatesStorageImpl<vtkm::Float32>
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{
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public:
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VTKM_STORAGE_NO_RESIZE;
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VTKM_STORAGE_NO_WRITE_PORTAL;
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};
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template <>
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class Storage<vtkm::Vec3f_64, vtkm::cont::StorageTagXGCCoordinates>
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: public detail::XGCCoordinatesStorageImpl<vtkm::Float64>
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{
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public:
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VTKM_STORAGE_NO_RESIZE;
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VTKM_STORAGE_NO_WRITE_PORTAL;
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};
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} // namespace internal
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template <typename T>
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class VTKM_ALWAYS_EXPORT ArrayHandleXGCCoordinates
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: public vtkm::cont::ArrayHandle<vtkm::Vec<T, 3>, vtkm::cont::StorageTagXGCCoordinates>
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{
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using AHandleType = vtkm::cont::ArrayHandle<vtkm::Vec<T, 3>>;
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using OriginalType = vtkm::cont::ArrayHandle<T>;
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public:
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VTKM_ARRAY_HANDLE_SUBCLASS(
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ArrayHandleXGCCoordinates,
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(ArrayHandleXGCCoordinates<T>),
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(vtkm::cont::ArrayHandle<vtkm::Vec<T, 3>, vtkm::cont::StorageTagXGCCoordinates>));
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private:
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using StorageType = vtkm::cont::internal::Storage<ValueType, StorageTag>;
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public:
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VTKM_CONT
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ArrayHandleXGCCoordinates(const OriginalType& array,
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vtkm::Id numberOfPlanes,
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vtkm::Id numberOfPlanesOwned,
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vtkm::Id planeStartId,
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bool cylindrical)
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: Superclass(StorageType::CreateBuffers(array,
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numberOfPlanes,
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numberOfPlanesOwned,
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planeStartId,
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cylindrical))
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{
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}
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~ArrayHandleXGCCoordinates() {}
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VTKM_CONT vtkm::Id GetNumberOfPlanes() const
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{
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return StorageType::GetNumberOfPlanes(this->GetBuffers());
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}
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VTKM_CONT vtkm::Id GetNumberOfPlanesOwned() const
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{
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return StorageType::GetNumberOfPlanesOwned(this->GetBuffers());
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}
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VTKM_CONT vtkm::Id GetPlaneStartId() const
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{
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return StorageType::GetPlaneStartId(this->GetBuffers());
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}
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VTKM_CONT bool GetUseCylindrical() const
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{
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return StorageType::GetUseCylindrical(this->GetBuffers());
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}
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VTKM_CONT vtkm::Id GetNumberOfPointsPerPlane() const
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{
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return StorageType::GetNumberOfValuesPerPlane(this->GetBuffers());
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}
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VTKM_CONT OriginalType GetArray() const
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{
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return StorageType::GetArrayHandle(this->GetBuffers());
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}
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};
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template <typename T>
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vtkm::cont::ArrayHandleXGCCoordinates<T> make_ArrayHandleXGCCoordinates(
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const vtkm::cont::ArrayHandle<T>& arrHandle,
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vtkm::Id numberOfPlanesOwned,
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bool cylindrical,
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vtkm::Id numberOfPlanes = -1,
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vtkm::Id planeStartId = 0)
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{
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if (numberOfPlanes == -1)
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{
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numberOfPlanes = numberOfPlanesOwned;
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}
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return ArrayHandleXGCCoordinates<T>(
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arrHandle, numberOfPlanes, numberOfPlanesOwned, planeStartId, cylindrical);
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}
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template <typename T>
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vtkm::cont::ArrayHandleXGCCoordinates<T> make_ArrayHandleXGCCoordinates(
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const T* array,
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vtkm::Id length,
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vtkm::Id numberOfPlanesOwned,
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bool cylindrical,
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vtkm::Id numberOfPlanes = -1,
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vtkm::Id planeStartId = 0,
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vtkm::CopyFlag copy = vtkm::CopyFlag::Off)
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{
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if (numberOfPlanes == -1)
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{
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numberOfPlanes = numberOfPlanesOwned;
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}
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return ArrayHandleXGCCoordinates<T>(vtkm::cont::make_ArrayHandle(array, length, copy),
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numberOfPlanes,
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numberOfPlanesOwned,
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planeStartId,
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cylindrical);
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}
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// if all planes belong to a single partition, then numberOfPlanes and planeStartId not needed
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template <typename T>
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vtkm::cont::ArrayHandleXGCCoordinates<T> make_ArrayHandleXGCCoordinates(
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const std::vector<T>& array,
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vtkm::Id numberOfPlanesOwned,
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bool cylindrical,
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vtkm::Id numberOfPlanes = -1,
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vtkm::Id planeStartId = 0,
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vtkm::CopyFlag copy = vtkm::CopyFlag::Off)
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{
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if (!array.empty())
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{
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if (numberOfPlanes == -1)
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{
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numberOfPlanes = numberOfPlanesOwned;
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}
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return make_ArrayHandleXGCCoordinates<T>(&array.front(),
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static_cast<vtkm::Id>(array.size()),
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numberOfPlanesOwned,
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cylindrical,
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numberOfPlanes,
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planeStartId,
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copy);
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}
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else
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{
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// Vector empty. Just return an empty array handle.
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return ArrayHandleXGCCoordinates<T>();
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}
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}
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}
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} // end 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 T>
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struct SerializableTypeString<vtkm::cont::ArrayHandleXGCCoordinates<T>>
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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 = "AH_XGCCoordinates<" + SerializableTypeString<T>::Get() + ">";
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return name;
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}
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};
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template <typename T>
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struct SerializableTypeString<
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vtkm::cont::ArrayHandle<vtkm::Vec<T, 3>, vtkm::cont::StorageTagXGCCoordinates>>
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: SerializableTypeString<vtkm::cont::ArrayHandleXGCCoordinates<T>>
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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 T>
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struct Serialization<vtkm::cont::ArrayHandleXGCCoordinates<T>>
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{
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private:
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using Type = vtkm::cont::ArrayHandleXGCCoordinates<T>;
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using BaseType = vtkm::cont::ArrayHandle<typename Type::ValueType, typename Type::StorageTag>;
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public:
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static VTKM_CONT void save(BinaryBuffer& bb, const BaseType& obj)
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{
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Type ah = obj;
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vtkmdiy::save(bb, ah.GetNumberOfPlanes());
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vtkmdiy::save(bb, ah.GetNumberOfPlanesOwned());
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vtkmdiy::save(bb, ah.GetPlaneStartId());
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vtkmdiy::save(bb, ah.GetUseCylindrical());
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vtkmdiy::save(bb, ah.GetArray());
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}
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static VTKM_CONT void load(BinaryBuffer& bb, BaseType& ah)
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{
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vtkm::Id numberOfPlanes;
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vtkm::Id numberOfPlanesOwned;
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vtkm::Id planeStartId;
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bool isCylindrical;
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vtkm::cont::ArrayHandle<T> array;
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vtkmdiy::load(bb, numberOfPlanes);
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vtkmdiy::load(bb, numberOfPlanesOwned);
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vtkmdiy::load(bb, planeStartId);
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vtkmdiy::load(bb, isCylindrical);
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vtkmdiy::load(bb, array);
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ah = vtkm::cont::make_ArrayHandleXGCCoordinates(
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array, numberOfPlanes, numberOfPlanesOwned, planeStartId, isCylindrical);
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}
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};
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template <typename T>
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struct Serialization<vtkm::cont::ArrayHandle<vtkm::Vec<T, 3>, vtkm::cont::StorageTagXGCCoordinates>>
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: Serialization<vtkm::cont::ArrayHandleXGCCoordinates<T>>
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{
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};
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} // diy
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/// @endcond SERIALIZATION
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#endif
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