mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-19 18:45:43 +00:00
7b6e6e4a66
This changes the interface to the ThreadIndices classes to have both input and output indices. It also adds a visit index to ThreadIndices. Also added the VisitIndex execution signature tag, which relies on this behavior.
71 lines
2.2 KiB
C++
71 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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// 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_exec_arg_FetchTagArrayDirectOut_h
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#define vtk_m_exec_arg_FetchTagArrayDirectOut_h
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#include <vtkm/exec/arg/AspectTagDefault.h>
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#include <vtkm/exec/arg/Fetch.h>
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namespace vtkm {
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namespace exec {
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namespace arg {
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/// \brief \c Fetch tag for setting array values with direct indexing.
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///
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/// \c FetchTagArrayDirectOut is a tag used with the \c Fetch class to store
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/// values in an array portal. The fetch uses direct indexing, so the thread
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/// index given to \c Store is used as the index into the array.
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///
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struct FetchTagArrayDirectOut { };
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template<typename ThreadIndicesType, typename ExecObjectType>
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struct Fetch<
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vtkm::exec::arg::FetchTagArrayDirectOut,
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vtkm::exec::arg::AspectTagDefault,
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ThreadIndicesType,
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ExecObjectType>
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{
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typedef typename ExecObjectType::ValueType ValueType;
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VTKM_SUPPRESS_EXEC_WARNINGS
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VTKM_EXEC_EXPORT
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ValueType Load(const ThreadIndicesType &, const ExecObjectType &) const
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{
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// Load is a no-op for this fetch.
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return ValueType();
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}
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VTKM_SUPPRESS_EXEC_WARNINGS
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VTKM_EXEC_EXPORT
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void Store(const ThreadIndicesType &indices,
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const ExecObjectType &arrayPortal,
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const ValueType &value) const
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{
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arrayPortal.Set(indices.GetOutputIndex(), value);
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}
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};
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}
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}
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} // namespace vtkm::exec::arg
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#endif //vtk_m_exec_arg_FetchTagArrayDirectOut_h
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