mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-08 13:23:51 +00:00
7eaedfe84b
A large portion of the VTK-m filters are now compiled into the vtkm_filter library. These pre-built filters now don't include the respective hxx file to remove the amount of template instantiation users do. To verify that this removal reduces compiler memory ( and maybe time) I profiled the compiler while it building filter tests in debug mode. Here is a selection of results: ``` CleanGrid 10.25s => 9.01s, 901MB => 795MB ExternalFaces 13.40s => 5.96s, 1122MB => 744MB ExtractStructured 4.69s => 4.75s, 492MB => 492MB GradientExplicit 22.97s => 5.88s, 1296MB => 740MB ```
113 lines
3.9 KiB
C++
113 lines
3.9 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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//
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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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#ifndef vtk_m_filter_ClipWithField_h
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#define vtk_m_filter_ClipWithField_h
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#include <vtkm/filter/vtkm_filter_extra_export.h>
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#include <vtkm/filter/FilterDataSetWithField.h>
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#include <vtkm/filter/MapFieldPermutation.h>
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#include <vtkm/worklet/Clip.h>
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namespace vtkm
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{
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namespace filter
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{
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/// \brief Clip a dataset using a field
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///
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/// Clip a dataset using a given field value. All points that are less than that
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/// value are considered outside, and will be discarded. All points that are greater
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/// are kept.
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/// The resulting geometry will not be water tight.
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class VTKM_FILTER_EXTRA_EXPORT ClipWithField
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: public vtkm::filter::FilterDataSetWithField<ClipWithField>
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{
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public:
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using SupportedTypes = vtkm::TypeListScalarAll;
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VTKM_CONT
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void SetClipValue(vtkm::Float64 value) { this->ClipValue = value; }
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VTKM_CONT
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void SetInvertClip(bool invert) { this->Invert = invert; }
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VTKM_CONT
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vtkm::Float64 GetClipValue() const { return this->ClipValue; }
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template <typename T, typename StorageType, typename DerivedPolicy>
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VTKM_CONT vtkm::cont::DataSet DoExecute(const vtkm::cont::DataSet& input,
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const vtkm::cont::ArrayHandle<T, StorageType>& field,
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const vtkm::filter::FieldMetadata& fieldMeta,
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vtkm::filter::PolicyBase<DerivedPolicy> policy);
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template <typename DerivedPolicy>
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VTKM_CONT bool MapFieldOntoOutput(vtkm::cont::DataSet& result,
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const vtkm::cont::Field& field,
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vtkm::filter::PolicyBase<DerivedPolicy> policy)
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{
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if (field.IsFieldPoint())
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{
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// If the field is a point field, then we need to do a custom interpolation of the points.
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// In this case, we need to call the superclass's MapFieldOntoOutput, which will in turn
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// call our DoMapField.
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return this->FilterDataSetWithField<ClipWithField>::MapFieldOntoOutput(result, field, policy);
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}
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else if (field.IsFieldCell())
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{
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// Use the precompiled field permutation function.
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vtkm::cont::ArrayHandle<vtkm::Id> permutation = this->Worklet.GetCellMapOutputToInput();
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return vtkm::filter::MapFieldPermutation(field, permutation, result);
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}
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else if (field.IsFieldGlobal())
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{
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result.AddField(field);
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return true;
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}
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else
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{
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return false;
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}
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}
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//Map a new field onto the resulting dataset after running the filter.
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//This call is only valid after Execute has been called.
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template <typename T, typename StorageType, typename DerivedPolicy>
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VTKM_CONT bool DoMapField(vtkm::cont::DataSet& result,
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const vtkm::cont::ArrayHandle<T, StorageType>& input,
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const vtkm::filter::FieldMetadata& fieldMeta,
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vtkm::filter::PolicyBase<DerivedPolicy>)
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{
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// All other conditions should be handled by MapFieldOntoOutput directly.
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VTKM_ASSERT(fieldMeta.IsPointField());
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vtkm::cont::ArrayHandle<T> output;
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output = this->Worklet.ProcessPointField(input);
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//use the same meta data as the input so we get the same field name, etc.
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result.AddField(fieldMeta.AsField(output));
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return true;
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}
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private:
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vtkm::Float64 ClipValue = 0;
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vtkm::worklet::Clip Worklet;
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bool Invert = false;
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};
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#ifndef vtkm_filter_Clip_cxx
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VTKM_FILTER_EXTRA_EXPORT_EXECUTE_METHOD(ClipWithField);
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#endif
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}
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} // namespace vtkm::filter
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#endif // vtk_m_filter_ClipWithField_h
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