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/*=========================================================================
*
* Copyright NumFOCUS
*
* 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
*
* https://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 itkGPUMeanImageFilter_h
#define itkGPUMeanImageFilter_h
#include "itkMeanImageFilter.h"
#include "itkGPUBoxImageFilter.h"
#include "itkVersion.h"
#include "itkObjectFactoryBase.h"
#include "itkOpenCLUtil.h"
namespace itk
{
/**
* \class GPUMeanImageFilter
*
* \brief GPU-enabled implementation of the MeanImageFilter.
*
* Current GPU mean filter reads in neighborhood pixels from global memory.
*
* \ingroup ITKGPUSmoothing
*/
/** Create a helper GPU Kernel class for GPUMeanImageFilter */
itkGPUKernelClassMacro(GPUMeanImageFilterKernel);
template <typename TInputImage, typename TOutputImage>
class ITK_TEMPLATE_EXPORT GPUMeanImageFilter
: // public GPUImageToImageFilter<
// TInputImage, TOutputImage,
// MeanImageFilter< TInputImage,
// TOutputImage > >
public GPUBoxImageFilter<TInputImage, TOutputImage, MeanImageFilter<TInputImage, TOutputImage>>
{
public:
ITK_DISALLOW_COPY_AND_MOVE(GPUMeanImageFilter);
/** Standard class type aliases. */
using Self = GPUMeanImageFilter;
using Superclass = GPUBoxImageFilter<TInputImage, TOutputImage, MeanImageFilter<TInputImage, TOutputImage>>;
using Pointer = SmartPointer<Self>;
using ConstPointer = SmartPointer<const Self>;
itkNewMacro(Self);
/** \see LightObject::GetNameOfClass() */
itkOverrideGetNameOfClassMacro(GPUMeanImageFilter);
/** Superclass type alias. */
using typename Superclass::OutputImageRegionType;
using typename Superclass::OutputImagePixelType;
/** Some convenient type alias. */
using InputImageType = TInputImage;
using InputImagePointer = typename InputImageType::Pointer;
using InputImageConstPointer = typename InputImageType::ConstPointer;
using InputImageRegionType = typename InputImageType::RegionType;
using InputImagePixelType = typename InputImageType::PixelType;
/** ImageDimension constants */
static constexpr unsigned int InputImageDimension = TInputImage::ImageDimension;
static constexpr unsigned int OutputImageDimension = TOutputImage::ImageDimension;
/** Get OpenCL Kernel source as a string, creates a GetOpenCLSource method */
itkGetOpenCLSourceFromKernelMacro(GPUMeanImageFilterKernel);
protected:
GPUMeanImageFilter();
~GPUMeanImageFilter() override;
void
PrintSelf(std::ostream & os, Indent indent) const override;
void
GPUGenerateData() override;
private:
int m_MeanFilterGPUKernelHandle{};
};
/**
* \class GPUMeanImageFilterFactory
*
* \brief Object Factory implementation for GPUMeanImageFilter
* \ingroup ITKGPUSmoothing
*/
class GPUMeanImageFilterFactory : public ObjectFactoryBase
{
public:
ITK_DISALLOW_COPY_AND_MOVE(GPUMeanImageFilterFactory);
using Self = GPUMeanImageFilterFactory;
using Superclass = ObjectFactoryBase;
using Pointer = SmartPointer<Self>;
using ConstPointer = SmartPointer<const Self>;
/** Class methods used to interface with the registered factories. */
const char *
GetITKSourceVersion() const override
{
return ITK_SOURCE_VERSION;
}
const char *
GetDescription() const override
{
return "A Factory for GPUMeanImageFilter";
}
/** Method for class instantiation. */
itkFactorylessNewMacro(Self);
/** \see LightObject::GetNameOfClass() */
itkOverrideGetNameOfClassMacro(GPUMeanImageFilterFactory);
/** Register one factory of this type */
static void
RegisterOneFactory()
{
auto factory = GPUMeanImageFilterFactory::New();
ObjectFactoryBase::RegisterFactory(factory);
}
private:
#define OverrideMeanFilterTypeMacro(ipt, opt, dm) \
{ \
using InputImageType = Image<ipt, dm>; \
using OutputImageType = Image<opt, dm>; \
this->RegisterOverride(typeid(MeanImageFilter<InputImageType, OutputImageType>).name(), \
typeid(GPUMeanImageFilter<InputImageType, OutputImageType>).name(), \
"GPU Mean Image Filter Override", \
true, \
CreateObjectFunction<GPUMeanImageFilter<InputImageType, OutputImageType>>::New()); \
} \
ITK_MACROEND_NOOP_STATEMENT
GPUMeanImageFilterFactory()
{
if (IsGPUAvailable())
{
OverrideMeanFilterTypeMacro(unsigned char, unsigned char, 1);
OverrideMeanFilterTypeMacro(char, char, 1);
OverrideMeanFilterTypeMacro(float, float, 1);
OverrideMeanFilterTypeMacro(int, int, 1);
OverrideMeanFilterTypeMacro(unsigned int, unsigned int, 1);
OverrideMeanFilterTypeMacro(double, double, 1);
OverrideMeanFilterTypeMacro(unsigned char, unsigned char, 2);
OverrideMeanFilterTypeMacro(char, char, 2);
OverrideMeanFilterTypeMacro(float, float, 2);
OverrideMeanFilterTypeMacro(int, int, 2);
OverrideMeanFilterTypeMacro(unsigned int, unsigned int, 2);
OverrideMeanFilterTypeMacro(double, double, 2);
OverrideMeanFilterTypeMacro(unsigned char, unsigned char, 3);
OverrideMeanFilterTypeMacro(char, char, 3);
OverrideMeanFilterTypeMacro(float, float, 3);
OverrideMeanFilterTypeMacro(int, int, 3);
OverrideMeanFilterTypeMacro(unsigned int, unsigned int, 3);
OverrideMeanFilterTypeMacro(double, double, 3);
}
}
};
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
# include "itkGPUMeanImageFilter.hxx"
#endif
#endif
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