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https://gitlab.kitware.com/vtk/vtk-m
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42aba97728
Previously, all arrays passed to worklets were designated as either input or output. No in-place operation was permitted. This change adds the FieldInOut tag for ControlSignature in both WorkletMapField and WorkletMapTopology that allows you to read and write from the same array.
65 lines
2.1 KiB
C++
65 lines
2.1 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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// 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 Sandia Corporation.
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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-AC04-94AL85000 with Sandia Corporation,
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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_arg_TransportTagArrayIn_h
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#define vtk_m_cont_arg_TransportTagArrayIn_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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namespace vtkm {
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namespace cont {
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namespace arg {
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/// \brief \c Transport tag for input arrays.
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///
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/// \c TransportTagArrayIn is a tag used with the \c Transport class to
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/// transport \c ArrayHandle objects for input data.
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///
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struct TransportTagArrayIn { };
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template<typename ContObjectType, typename Device>
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struct Transport<vtkm::cont::arg::TransportTagArrayIn, ContObjectType, Device>
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{
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///\todo: something equivalent to VTKM_IS_ARRAY_HANDLE(ContObjectType);
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typedef typename ContObjectType::template ExecutionTypes<Device>::PortalConst
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ExecObjectType;
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VTKM_CONT_EXPORT
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ExecObjectType operator()(const ContObjectType &object, vtkm::Id) const
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{
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// TODO: Throw an exception if object.GetNumberOfValues() does not equal
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// the size passed into this operator. Currently, the size passed into
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// this method is sometimes wrong (for example with point fields when
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// mapping on cells).
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return object.PrepareForInput(Device());
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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_TransportTagArrayIn_h
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