c27bb01f26
This makes the FilterTraits design simpler and easier to understand.
51 lines
1.6 KiB
C++
51 lines
1.6 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_filter_FilterTraits_h
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#define vtk_m_filter_FilterTraits_h
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#include <vtkm/TypeListTag.h>
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namespace vtkm {
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namespace filter {
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template<typename Filter>
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class FilterTraits
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{
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public:
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// A filter is able to state what subset of types it supports
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// by default. By default we use ListTagUniversal to represent that the
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// filter accepts all types specified by the users provided policy
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typedef vtkm::ListTagUniversal InputFieldTypeList;
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};
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template<typename DerivedPolicy, typename FilterType>
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struct DeduceFilterFieldTypes
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{
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using FList = typename vtkm::filter::FilterTraits<FilterType>::InputFieldTypeList;
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using PList = typename DerivedPolicy::FieldTypeList;
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using TypeList = vtkm::ListTagIntersect<FList, PList>;
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};
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}
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}
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#endif //vtk_m_filter_FilterTraits_h
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