MaskSelect.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_MaskSelect_h
#define vtk_m_worklet_MaskSelect_h
 
#include <vtkm/worklet/internal/MaskBase.h>
#include <vtkm/worklet/vtkm_worklet_export.h>
 
#include <vtkm/cont/UnknownArrayHandle.h>
 
namespace vtkm
{
namespace worklet
{
 
class VTKM_WORKLET_EXPORT MaskSelect : public internal::MaskBase
{
  using MaskTypes =
    vtkm::List<vtkm::Int32, vtkm::Int64, vtkm::UInt32, vtkm::UInt64, vtkm::Int8, vtkm::UInt8, char>;
 
public:
  using ThreadToOutputMapType = vtkm::cont::ArrayHandle<vtkm::Id>;
 
  MaskSelect(const vtkm::cont::UnknownArrayHandle& maskArray,
             vtkm::cont::DeviceAdapterId device = vtkm::cont::DeviceAdapterTagAny())
  {
    this->ThreadToOutputMap = this->Build(maskArray, device);
  }
 
  template <typename RangeType>
  vtkm::Id GetThreadRange(RangeType vtkmNotUsed(outputRange)) const
  {
    return this->ThreadToOutputMap.GetNumberOfValues();
  }
 
  template <typename RangeType>
  ThreadToOutputMapType GetThreadToOutputMap(RangeType vtkmNotUsed(outputRange)) const
  {
    return this->ThreadToOutputMap;
  }
 
private:
  ThreadToOutputMapType ThreadToOutputMap;
 
  VTKM_CONT ThreadToOutputMapType Build(const vtkm::cont::UnknownArrayHandle& maskArray,
                                        vtkm::cont::DeviceAdapterId device);
};
}
} // namespace vtkm::worklet
 
#endif //vtk_m_worklet_MaskSelect_h