vtk-m/vtkm/filter/CellAverage.hxx
2016-03-14 08:39:17 -04:00

72 lines
2.7 KiB
C++

//============================================================================
// 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.
//
// Copyright 2014 Sandia Corporation.
// Copyright 2014 UT-Battelle, LLC.
// Copyright 2014 Los Alamos National Security.
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
//
// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
// Laboratory (LANL), the U.S. Government retains certain rights in
// this software.
//============================================================================
#include <vtkm/cont/DynamicCellSet.h>
#include <vtkm/worklet/DispatcherMapTopology.h>
namespace vtkm {
namespace filter {
//-----------------------------------------------------------------------------
CellAverage::CellAverage():
vtkm::filter::CellFilter<CellAverage>(),
Worklet()
{
}
//-----------------------------------------------------------------------------
template<typename T,
typename StorageType,
typename DerivedPolicy,
typename DeviceAdapter>
vtkm::filter::FieldResult CellAverage::DoExecute(const vtkm::cont::DataSet &input,
const vtkm::cont::ArrayHandle<T, StorageType>& field,
const vtkm::filter::FieldMetadata&,
const vtkm::filter::PolicyBase<DerivedPolicy>&,
const DeviceAdapter&)
{
vtkm::cont::DynamicCellSet cellSet =
input.GetCellSet(this->GetActiveCellSetIndex());
//todo: we need to ask the policy what storage type we should be using
//If the input is implicit, we should know what to fall back to
vtkm::cont::ArrayHandle<T> outArray = field;
vtkm::worklet::DispatcherMapTopology<vtkm::worklet::CellAverage,
DeviceAdapter > dispatcher(this->Worklet);
//todo: we need to use the policy to determine the valid conversions
//that the dispatcher should do, including the result from GetCellSet
dispatcher.Invoke(field, cellSet, outArray);
vtkm::cont::Field outField(this->GetOutputFieldName(), 1,
vtkm::cont::Field::ASSOC_CELL_SET,
cellSet.GetCellSet().GetName(),
outArray);
return vtkm::filter::FieldResult(outField);
}
}
} // namespace vtkm::filter