mirror of
https://gitlab.kitware.com/vtk/vtk-m
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63 lines
1.8 KiB
C++
63 lines
1.8 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_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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{
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namespace exec
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{
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namespace arg
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{
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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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{
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};
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template <typename ThreadIndicesType, typename ExecObjectType>
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struct Fetch<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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using ValueType = typename ExecObjectType::ValueType;
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VTKM_SUPPRESS_EXEC_WARNINGS
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VTKM_EXEC
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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
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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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