mirror of
https://gitlab.kitware.com/vtk/vtk-m
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58eb8f168d
And the basic type for a reduce by key worklet and its associated adapter. Right now the worklet only supports passing in keys. Values come next.
81 lines
2.8 KiB
C++
81 lines
2.8 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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// 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_DispatcherReduceByKey_h
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#define vtk_m_worklet_DispatcherReduceByKey_h
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#include <vtkm/cont/DeviceAdapter.h>
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#include <vtkm/worklet/WorkletReduceByKey.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 WorkletReduceByKey.
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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 DispatcherReduceByKey
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: public vtkm::worklet::internal::DispatcherBase<
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DispatcherReduceByKey<WorkletType, Device>,
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WorkletType,
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vtkm::worklet::WorkletReduceByKey>
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{
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using Superclass =
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vtkm::worklet::internal::DispatcherBase<
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DispatcherReduceByKey<WorkletType, Device>,
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WorkletType,
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vtkm::worklet::WorkletReduceByKey>;
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public:
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VTKM_CONT
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DispatcherReduceByKey(const WorkletType &worklet = WorkletType())
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: Superclass(worklet)
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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 other than vtkm::worklet::Keys as the input domain, which
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// is illegal.
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VTKM_STATIC_ASSERT_MSG(
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(vtkm::cont::arg::TypeCheck<vtkm::cont::arg::TypeCheckTagKeys,InputDomainType>::value),
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"Invalid input domain for WorkletReduceByKey.");
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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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// Now that we have the input domain, we can extract the range of the
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// scheduling and call BadicInvoke.
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this->BasicInvoke(invocation, inputDomain.GetInputRange(), 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_DispatcherReduceByKey_h
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