itkGPUNeighborhoodOperatorImageFilter.h

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/*=========================================================================
 *
 *  Copyright Insight Software Consortium
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0.txt
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *=========================================================================*/
#ifndef __itkGPUNeighborhoodOperatorImageFilter_h
#define __itkGPUNeighborhoodOperatorImageFilter_h

#include "itkGPUImage.h"
#include "itkGPUImageToImageFilter.h"
#include "itkImageToImageFilter.h"
#include "itkNeighborhoodOperator.h"
#include "itkImage.h"
#include "itkZeroFluxNeumannBoundaryCondition.h"
#include "itkNeighborhoodOperatorImageFilter.h"

namespace itk
{
itkGPUKernelClassMacro(GPUNeighborhoodOperatorImageFilterKernel);

template< typename TInputImage, typename TOutputImage,
          typename TOperatorValueType = typename TOutputImage::PixelType,
          typename TParentImageFilter = NeighborhoodOperatorImageFilter< TInputImage, TOutputImage, TOperatorValueType> >
class GPUNeighborhoodOperatorImageFilter :
  public GPUImageToImageFilter< TInputImage, TOutputImage, TParentImageFilter >
{
public:
  typedef GPUNeighborhoodOperatorImageFilter                                     Self;
  typedef TParentImageFilter                                                     CPUSuperclass;
  typedef GPUImageToImageFilter< TInputImage, TOutputImage, TParentImageFilter > GPUSuperclass;
  typedef SmartPointer< Self >                                                   Pointer;
  typedef SmartPointer< const Self >                                             ConstPointer;

  itkNewMacro(Self);

  itkTypeMacro(GPUNeighborhoodOperatorImageFilter, GPUImageToImageFilter);

  typedef typename TOutputImage::PixelType         OutputPixelType;
  typedef typename TOutputImage::InternalPixelType OutputInternalPixelType;
  typedef typename  TInputImage::PixelType         InputPixelType;
  typedef typename  TInputImage::InternalPixelType InputInternalPixelType;
  typedef TOperatorValueType                       OperatorValueType;

  typedef typename NumericTraits<InputPixelType>::ValueType InputPixelValueType;
  typedef typename NumericTraits<OutputPixelType>::RealType ComputingPixelType;

  typedef GPUImage<TOperatorValueType,itkGetStaticConstMacro(ImageDimension)> NeighborhoodGPUBufferType;

  itkStaticConstMacro(ImageDimension, unsigned int, TInputImage::ImageDimension);
  itkStaticConstMacro(InputImageDimension, unsigned int, TInputImage::ImageDimension);
  itkStaticConstMacro(OutputImageDimension, unsigned int, TOutputImage::ImageDimension);

  typedef TInputImage                      InputImageType;
  typedef TOutputImage                     OutputImageType;
  typedef typename InputImageType::Pointer InputImagePointer;

  typedef ImageBoundaryCondition< InputImageType > *
  ImageBoundaryConditionPointerType;

  typedef ZeroFluxNeumannBoundaryCondition< InputImageType > DefaultBoundaryCondition;

  typedef typename GPUSuperclass::OutputImageRegionType OutputImageRegionType;

  typedef Neighborhood< OperatorValueType,
                        itkGetStaticConstMacro(ImageDimension) > OutputNeighborhoodType;

  itkGetOpenCLSourceFromKernelMacro(GPUNeighborhoodOperatorImageFilterKernel);

  void SetOperator(const OutputNeighborhoodType & p);

#ifdef ITK_USE_CONCEPT_CHECKING
  // Begin concept checking
  // itkConceptMacro( SameDimensionCheck,
  //                  ( Concept::SameDimension< InputImageDimension, ImageDimension > ) );
  // itkConceptMacro( OperatorConvertibleToOutputCheck,
  //                  ( Concept::Convertible< OperatorValueType, OutputPixelType > ) );
  // itkConceptMacro( InputConvertibleToOperatorCheck,
  //                  ( Concept::Convertible< InputPixelValueType, OperatorValueType > ) );
  // itkConceptMacro( OperatorMultiplyOperatorCheck,
  //                  ( Concept::MultiplyOperator< OperatorValueType > ) );
  // itkConceptMacro( OperatorAdditiveOperatorsCheck,
  //                  ( Concept::AdditiveOperators< OperatorValueType > ) );
  // End concept checking
#endif

protected:
  GPUNeighborhoodOperatorImageFilter();
  virtual ~GPUNeighborhoodOperatorImageFilter() {
  }

  void GPUGenerateData();

  void PrintSelf(std::ostream & os, Indent indent) const
  {
    GPUSuperclass::PrintSelf(os, indent);
  }

private:
  GPUNeighborhoodOperatorImageFilter(const Self &); //purposely not implemented
  void operator=(const Self &);                     //purposely not implemented

  int m_NeighborhoodOperatorFilterGPUKernelHandle;

  typename NeighborhoodGPUBufferType::Pointer m_NeighborhoodGPUBuffer;
};
} // end namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkGPUNeighborhoodOperatorImageFilter.hxx"
#endif

#endif