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https://gitlab.kitware.com/vtk/vtk-m
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70 lines
2.2 KiB
C++
70 lines
2.2 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_arg_TransportTagWholeArrayInOut_h
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#define vtk_m_cont_arg_TransportTagWholeArrayInOut_h
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#include <vtkm/Types.h>
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#include <vtkm/cont/ArrayHandle.h>
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#include <vtkm/cont/arg/Transport.h>
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#include <vtkm/exec/ExecutionWholeArray.h>
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namespace vtkm
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{
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namespace cont
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{
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namespace arg
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{
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/// \brief \c Transport tag for in-place arrays with random access.
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///
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/// \c TransportTagWholeArrayInOut is a tag used with the \c Transport class to
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/// transport \c ArrayHandle objects for data that is both input and output
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/// (that is, in place modification of array data).
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///
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/// The worklet will have random access to the array through a portal
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/// interface, but care should be taken to not write a value in one instance
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/// that will be read by or overridden by another entry.
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///
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struct TransportTagWholeArrayInOut
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{
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};
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template <typename ContObjectType, typename Device>
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struct Transport<vtkm::cont::arg::TransportTagWholeArrayInOut, ContObjectType, Device>
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{
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// If you get a compile error here, it means you tried to use an object that
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// is not an array handle as an argument that is expected to be one.
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VTKM_IS_ARRAY_HANDLE(ContObjectType);
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using ValueType = typename ContObjectType::ValueType;
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using StorageTag = typename ContObjectType::StorageTag;
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using ExecObjectType = vtkm::exec::ExecutionWholeArray<ValueType, StorageTag, Device>;
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template <typename InputDomainType>
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VTKM_CONT ExecObjectType
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operator()(ContObjectType& array, const InputDomainType&, vtkm::Id, vtkm::Id) const
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{
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// Note: we ignore the size of the domain because the randomly accessed
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// array might not have the same size depending on how the user is using
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// the array.
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return ExecObjectType(array);
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}
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};
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}
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}
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} // namespace vtkm::cont::arg
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#endif //vtk_m_cont_arg_TransportTagWholeArrayInOut_h
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