2018-11-06 16:20:30 +00:00
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//============================================================================
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// Copyright (c) Kitware, Inc.
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// All rights reserved.
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// See LICENSE.txt for details.
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// This software is distributed WITHOUT ANY WARRANTY; without even
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// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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// PURPOSE. See the above copyright notice for more information.
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//
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// Copyright 2014 National Technology & Engineering Solutions of Sandia, LLC (NTESS).
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// Copyright 2014 UT-Battelle, LLC.
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// Copyright 2014 Los Alamos National Security.
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//
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// Under the terms of Contract DE-NA0003525 with NTESS,
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// the U.S. Government retains certain rights in this software.
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//
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// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
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// Laboratory (LANL), the U.S. Government retains certain rights in
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// this software.
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//============================================================================
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#ifndef vtk_m_cont_ArrayHandleVirtual_hxx
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#define vtk_m_cont_ArrayHandleVirtual_hxx
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#include <vtkm/cont/ArrayHandleVirtual.h>
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2018-12-18 20:10:55 +00:00
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#include <vtkm/cont/ArrayHandleAny.h>
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2018-11-06 16:20:30 +00:00
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#include <vtkm/cont/TryExecute.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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2018-12-18 20:10:55 +00:00
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template <typename T>
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template <typename ArrayHandleType>
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bool ArrayHandle<T, StorageTagVirtual>::IsSameType(
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std::false_type vtkmNotUsed(notFromArrayHandleVirtual)) const
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{
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if (!this->Storage)
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{
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return false;
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}
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using S = typename ArrayHandleType::StorageTag;
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return this->Storage->template IsType<vtkm::cont::StorageAny<T, S>>();
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}
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template <typename T>
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template <typename ArrayHandleType>
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ArrayHandleType ArrayHandle<T, StorageTagVirtual>::CastToType(
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std::false_type vtkmNotUsed(notFromArrayHandleVirtual)) const
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{
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if (!this->Storage)
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{
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VTKM_LOG_CAST_FAIL(*this, ArrayHandleType);
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throwFailedDynamicCast("ArrayHandleVirtual", vtkm::cont::TypeName<ArrayHandleType>());
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}
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using S = typename ArrayHandleType::StorageTag;
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const auto* any = this->Storage->template Cast<vtkm::cont::StorageAny<T, S>>();
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return any->GetHandle();
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}
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2018-11-06 16:20:30 +00:00
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namespace detail
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{
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template <typename DerivedPortal>
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struct TransferToDevice
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{
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template <typename DeviceAdapterTag, typename Payload, typename... Args>
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bool operator()(DeviceAdapterTag devId, Payload&& payload, Args&&... args) const
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{
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using TransferType = cont::internal::VirtualObjectTransfer<DerivedPortal, DeviceAdapterTag>;
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//construct all new transfer payload
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auto host = std::unique_ptr<DerivedPortal>(new DerivedPortal(std::forward<Args>(args)...));
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auto transfer = std::make_shared<TransferType>(host.get());
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auto device = transfer->PrepareForExecution(true);
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payload.updateDevice(devId, std::move(host), device, std::static_pointer_cast<void>(transfer));
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return true;
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}
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};
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}
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template <typename DerivedPortal, typename... Args>
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inline void make_transferToDevice(vtkm::cont::DeviceAdapterId devId, Args&&... args)
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{
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vtkm::cont::TryExecuteOnDevice(
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devId, detail::TransferToDevice<DerivedPortal>{}, std::forward<Args>(args)...);
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}
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template <typename DerivedPortal, typename Payload, typename... Args>
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inline void make_hostPortal(Payload&& payload, Args&&... args)
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{
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auto host = std::unique_ptr<DerivedPortal>(new DerivedPortal(std::forward<Args>(args)...));
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payload.updateHost(std::move(host));
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}
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}
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} // namespace vtkm::virts
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2018-12-06 15:04:43 +00:00
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//=============================================================================
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// Specializations of serialization related classes
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namespace diy
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{
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template <typename T>
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struct Serialization<vtkm::cont::ArrayHandleVirtual<T>>
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{
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private:
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using Type = vtkm::cont::ArrayHandleVirtual<T>;
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using BaseType = vtkm::cont::ArrayHandle<T, vtkm::cont::StorageTagVirtual>;
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using BasicType = vtkm::cont::ArrayHandle<T>;
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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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if (obj.template IsType<vtkm::cont::ArrayHandleAny<T>>())
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{
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const auto& array = static_cast<const vtkm::cont::ArrayHandleAny<T>&>(obj);
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diy::save(bb, vtkm::cont::TypeString<vtkm::cont::ArrayHandleAny<T>>::Get());
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diy::save(bb, array);
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}
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else
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{
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diy::save(bb, vtkm::cont::TypeString<BasicType>::Get());
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vtkm::cont::internal::ArrayHandleDefaultSerialization(bb, obj);
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}
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}
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static VTKM_CONT void load(BinaryBuffer& bb, BaseType& obj)
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{
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std::string typeString;
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diy::load(bb, typeString);
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if (typeString == vtkm::cont::TypeString<vtkm::cont::ArrayHandleAny<T>>::Get())
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{
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vtkm::cont::ArrayHandleAny<T> array;
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diy::load(bb, array);
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obj = std::move(array);
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}
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else if (typeString == vtkm::cont::TypeString<BasicType>::Get())
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{
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BasicType array;
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diy::load(bb, array);
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obj = std::move(vtkm::cont::ArrayHandleAny<T>{ array });
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}
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else
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{
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throw vtkm::cont::ErrorBadType("Error deserializing ArrayHandleVirtual. TypeString: " +
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typeString);
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}
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}
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};
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}
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2018-11-06 16:20:30 +00:00
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#endif
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