vtk-m/vtkm/filter/Mask.hxx

96 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.
//============================================================================
#ifndef vtk_m_filter_Mask_hxx
#define vtk_m_filter_Mask_hxx
namespace
{
struct CallWorklet
{
vtkm::Id Stride;
vtkm::cont::DynamicCellSet& Output;
vtkm::worklet::Mask& Worklet;
CallWorklet(vtkm::Id stride, vtkm::cont::DynamicCellSet& output, vtkm::worklet::Mask& worklet)
: Stride(stride)
, Output(output)
, Worklet(worklet)
{
}
template <typename CellSetType>
void operator()(const CellSetType& cells) const
{
this->Output = this->Worklet.Run(cells, this->Stride);
}
};
} // end anon namespace
namespace vtkm
{
namespace filter
{
//-----------------------------------------------------------------------------
inline VTKM_CONT Mask::Mask()
: vtkm::filter::FilterDataSet<Mask>()
, Stride(1)
, CompactPoints(false)
{
}
//-----------------------------------------------------------------------------
template <typename DerivedPolicy>
inline VTKM_CONT vtkm::cont::DataSet Mask::DoExecute(const vtkm::cont::DataSet& input,
vtkm::filter::PolicyBase<DerivedPolicy> policy)
{
const vtkm::cont::DynamicCellSet& cells = input.GetCellSet();
vtkm::cont::DynamicCellSet cellOut;
CallWorklet workletCaller(this->Stride, cellOut, this->Worklet);
vtkm::filter::ApplyPolicyCellSet(cells, policy).CastAndCall(workletCaller);
// create the output dataset
vtkm::cont::DataSet output;
output.AddCoordinateSystem(input.GetCoordinateSystem(this->GetActiveCoordinateSystemIndex()));
output.SetCellSet(cellOut);
return output;
}
//-----------------------------------------------------------------------------
template <typename T, typename StorageType, typename DerivedPolicy>
inline VTKM_CONT bool Mask::DoMapField(vtkm::cont::DataSet& result,
const vtkm::cont::ArrayHandle<T, StorageType>& input,
const vtkm::filter::FieldMetadata& fieldMeta,
vtkm::filter::PolicyBase<DerivedPolicy>)
{
vtkm::cont::Field output;
if (fieldMeta.IsPointField())
{
output = fieldMeta.AsField(input); // pass through
}
else if (fieldMeta.IsCellField())
{
output = fieldMeta.AsField(this->Worklet.ProcessCellField(input));
}
else
{
return false;
}
result.AddField(output);
return true;
}
}
}
#endif