mirror of
https://gitlab.kitware.com/vtk/vtk-m
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05d397cbf7
DispatcherMapField was templated on the device adapter but it actually doesn't need to be, only BasicInvoke and subsequent methods need to be templated on the device.
78 lines
2.7 KiB
C++
78 lines
2.7 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_Dispatcher_MapField_h
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#define vtk_m_worklet_Dispatcher_MapField_h
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#include <vtkm/cont/DeviceAdapter.h>
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#include <vtkm/worklet/WorkletMapField.h>
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#include <vtkm/worklet/internal/DispatcherBase.h>
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namespace vtkm {
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namespace worklet {
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/// \brief Dispatcher for worklets that inherit from \c WorkletMapField.
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///
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template<typename WorkletType,
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typename Device = VTKM_DEFAULT_DEVICE_ADAPTER_TAG>
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class DispatcherMapField :
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public vtkm::worklet::internal::DispatcherBase<
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DispatcherMapField<WorkletType,Device>,
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WorkletType,
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vtkm::worklet::WorkletMapField>
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{
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typedef vtkm::worklet::internal::DispatcherBase<
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DispatcherMapField<WorkletType,Device>,
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WorkletType,
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vtkm::worklet::WorkletMapField> Superclass;
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public:
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VTKM_CONT_EXPORT
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DispatcherMapField(const WorkletType &worklet = WorkletType())
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: Superclass(worklet) { }
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template<typename Invocation>
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VTKM_CONT_EXPORT
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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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typedef typename Invocation::InputDomainType 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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InputDomainType inputDomain = invocation.GetInputDomain();
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// For a DispatcherMapField, the inputDomain must be an ArrayHandle (or
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// a DynamicArrayHandle that gets cast to one). The size of the domain
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// (number of threads/worklet instances) is equal to the size of the
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// array.
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vtkm::Id numInstances = inputDomain.GetNumberOfValues();
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// A MapField is a 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, numInstances, 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_Dispatcher_MapField_h
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