mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-20 11:05:44 +00:00
ce80383238
VTK-m is now able to run algorithms on structured points that require the local point neighbors in a highly efficient manner.
79 lines
3.0 KiB
C++
79 lines
3.0 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_worklet_DispatcherPointNeighborhood_h
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#define vtk_m_worklet_DispatcherPointNeighborhood_h
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#include <vtkm/cont/DeviceAdapter.h>
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#include <vtkm/worklet/WorkletPointNeighborhood.h>
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#include <vtkm/worklet/internal/DispatcherBase.h>
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namespace vtkm
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{
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namespace worklet
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{
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/// \brief Dispatcher for worklets that inherit from \c WorkletPointNeighborhood.
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///
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template <typename WorkletType, typename Device = VTKM_DEFAULT_DEVICE_ADAPTER_TAG>
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class DispatcherPointNeighborhood
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: public vtkm::worklet::internal::DispatcherBase<DispatcherPointNeighborhood<WorkletType, Device>,
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WorkletType,
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vtkm::worklet::WorkletPointNeighborhoodBase>
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{
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using Superclass =
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vtkm::worklet::internal::DispatcherBase<DispatcherPointNeighborhood<WorkletType, Device>,
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WorkletType,
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vtkm::worklet::WorkletPointNeighborhoodBase>;
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public:
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VTKM_CONT
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DispatcherPointNeighborhood(const WorkletType& worklet = WorkletType())
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: Superclass(worklet)
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{
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}
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template <typename Invocation>
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void DoInvoke(const Invocation& invocation) const
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{
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// This is the type for the input domain
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using InputDomainType = typename Invocation::InputDomainType;
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// If you get a compile error on this line, then you have tried to use
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// something that is not a vtkm::cont::CellSet as the input domain to a
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// topology operation (that operates on a cell set connection domain).
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VTKM_IS_CELL_SET(InputDomainType);
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// We can pull the input domain parameter (the data specifying the input
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// domain) from the invocation object.
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const InputDomainType& inputDomain = invocation.GetInputDomain();
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auto inputRange = inputDomain.GetSchedulingRange(vtkm::TopologyElementTagPoint());
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// This is pretty straightforward dispatch. Once we know the number
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// of invocations, the superclass can take care of the rest.
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this->BasicInvoke(invocation, inputRange, Device());
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}
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};
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}
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} // namespace vtkm::worklet
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#endif //vtk_m_worklet_DispatcherPointNeighborhood_h
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