WorkletReduceByKey.h

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//============================================================================
//  Copyright (c) Kitware, Inc.
//  All rights reserved.
//  See LICENSE.txt for details.
//
//  This software is distributed WITHOUT ANY WARRANTY; without even
//  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
//  PURPOSE.  See the above copyright notice for more information.
//============================================================================
#ifndef vtk_m_worklet_WorkletReduceByKey_h
#define vtk_m_worklet_WorkletReduceByKey_h
 
#include <vtkm/worklet/internal/WorkletBase.h>
 
#include <vtkm/cont/arg/TransportTagArrayIn.h>
#include <vtkm/cont/arg/TransportTagArrayInOut.h>
#include <vtkm/cont/arg/TransportTagArrayOut.h>
#include <vtkm/cont/arg/TransportTagKeyedValuesIn.h>
#include <vtkm/cont/arg/TransportTagKeyedValuesInOut.h>
#include <vtkm/cont/arg/TransportTagKeyedValuesOut.h>
#include <vtkm/cont/arg/TransportTagKeysIn.h>
#include <vtkm/cont/arg/TypeCheckTagArrayIn.h>
#include <vtkm/cont/arg/TypeCheckTagArrayInOut.h>
#include <vtkm/cont/arg/TypeCheckTagArrayOut.h>
#include <vtkm/cont/arg/TypeCheckTagKeys.h>
 
#include <vtkm/exec/internal/ReduceByKeyLookup.h>
 
#include <vtkm/exec/arg/FetchTagArrayDirectIn.h>
#include <vtkm/exec/arg/FetchTagArrayDirectInOut.h>
#include <vtkm/exec/arg/FetchTagArrayDirectOut.h>
#include <vtkm/exec/arg/FetchTagKeysIn.h>
#include <vtkm/exec/arg/ThreadIndicesReduceByKey.h>
#include <vtkm/exec/arg/ValueCount.h>
#include <vtkm/worklet/DispatcherReduceByKey.h>
 
namespace vtkm
{
namespace worklet
{
 
class WorkletReduceByKey : public vtkm::worklet::internal::WorkletBase
{
public:
  template <typename Worklet>
  using Dispatcher = vtkm::worklet::DispatcherReduceByKey<Worklet>;
  struct KeysIn : vtkm::cont::arg::ControlSignatureTagBase
  {
    using TypeCheckTag = vtkm::cont::arg::TypeCheckTagKeys;
    using TransportTag = vtkm::cont::arg::TransportTagKeysIn;
    using FetchTag = vtkm::exec::arg::FetchTagKeysIn;
  };
 
  struct ValuesIn : vtkm::cont::arg::ControlSignatureTagBase
  {
    using TypeCheckTag = vtkm::cont::arg::TypeCheckTagArrayIn;
    using TransportTag = vtkm::cont::arg::TransportTagKeyedValuesIn;
    using FetchTag = vtkm::exec::arg::FetchTagArrayDirectIn;
  };
 
  struct ValuesInOut : vtkm::cont::arg::ControlSignatureTagBase
  {
    using TypeCheckTag = vtkm::cont::arg::TypeCheckTagArrayInOut;
    using TransportTag = vtkm::cont::arg::TransportTagKeyedValuesInOut;
    using FetchTag = vtkm::exec::arg::FetchTagArrayDirectIn;
  };
 
  struct ValuesOut : vtkm::cont::arg::ControlSignatureTagBase
  {
    using TypeCheckTag = vtkm::cont::arg::TypeCheckTagArrayOut;
    using TransportTag = vtkm::cont::arg::TransportTagKeyedValuesOut;
    using FetchTag = vtkm::exec::arg::FetchTagArrayDirectIn;
  };
 
  struct ReducedValuesIn : vtkm::cont::arg::ControlSignatureTagBase
  {
    using TypeCheckTag = vtkm::cont::arg::TypeCheckTagArrayIn;
    using TransportTag = vtkm::cont::arg::TransportTagArrayIn;
    using FetchTag = vtkm::exec::arg::FetchTagArrayDirectIn;
  };
 
  struct ReducedValuesInOut : vtkm::cont::arg::ControlSignatureTagBase
  {
    using TypeCheckTag = vtkm::cont::arg::TypeCheckTagArrayInOut;
    using TransportTag = vtkm::cont::arg::TransportTagArrayInOut;
    using FetchTag = vtkm::exec::arg::FetchTagArrayDirectInOut;
  };
 
  struct ReducedValuesOut : vtkm::cont::arg::ControlSignatureTagBase
  {
    using TypeCheckTag = vtkm::cont::arg::TypeCheckTagArrayOut;
    using TransportTag = vtkm::cont::arg::TransportTagArrayOut;
    using FetchTag = vtkm::exec::arg::FetchTagArrayDirectOut;
  };
 
  struct ValueCount : vtkm::exec::arg::ValueCount
  {
  };
 
  VTKM_SUPPRESS_EXEC_WARNINGS
  template <typename OutToInArrayType,
            typename VisitArrayType,
            typename ThreadToOutArrayType,
            typename InputDomainType>
  VTKM_EXEC vtkm::exec::arg::ThreadIndicesReduceByKey GetThreadIndices(
    vtkm::Id threadIndex,
    const OutToInArrayType& outToIn,
    const VisitArrayType& visit,
    const ThreadToOutArrayType& threadToOut,
    const InputDomainType& inputDomain) const
  {
    const vtkm::Id outIndex = threadToOut.Get(threadIndex);
    return vtkm::exec::arg::ThreadIndicesReduceByKey(
      threadIndex, outToIn.Get(outIndex), visit.Get(outIndex), outIndex, inputDomain);
  }
};
}
} // namespace vtkm::worklet
 
#endif //vtk_m_worklet_WorkletReduceByKey_h