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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 itkGPUBinaryThresholdImageFilter_h
#define itkGPUBinaryThresholdImageFilter_h
#include "itkOpenCLUtil.h"
#include "itkGPUFunctorBase.h"
#include "itkGPUKernelManager.h"
#include "itkBinaryThresholdImageFilter.h"
#include "itkGPUUnaryFunctorImageFilter.h"
namespace itk
{
namespace Functor
{
template< typename TInput, typename TOutput >
class ITK_TEMPLATE_EXPORT GPUBinaryThreshold : public GPUFunctorBase
{
public:
GPUBinaryThreshold()
{
m_LowerThreshold = NumericTraits< TInput >::NonpositiveMin();
m_UpperThreshold = NumericTraits< TInput >::max();
m_OutsideValue = NumericTraits< TOutput >::ZeroValue();
m_InsideValue = NumericTraits< TOutput >::max();
}
~GPUBinaryThreshold() {
}
void SetLowerThreshold(const TInput & thresh)
{
m_LowerThreshold = thresh;
}
void SetUpperThreshold(const TInput & thresh)
{
m_UpperThreshold = thresh;
}
void SetInsideValue(const TOutput & value)
{
m_InsideValue = value;
}
void SetOutsideValue(const TOutput & value)
{
m_OutsideValue = value;
}
/** Setup GPU kernel arguments for this functor.
* Returns current argument index to set additional arguments in the GPU kernel */
int SetGPUKernelArguments(GPUKernelManager::Pointer KernelManager, int KernelHandle)
{
KernelManager->SetKernelArg(KernelHandle, 0, sizeof(TInput), &(m_LowerThreshold) );
KernelManager->SetKernelArg(KernelHandle, 1, sizeof(TInput), &(m_UpperThreshold) );
KernelManager->SetKernelArg(KernelHandle, 2, sizeof(TOutput), &(m_InsideValue) );
KernelManager->SetKernelArg(KernelHandle, 3, sizeof(TOutput), &(m_OutsideValue) );
return 4;
}
private:
TInput m_LowerThreshold;
TInput m_UpperThreshold;
TOutput m_InsideValue;
TOutput m_OutsideValue;
};
} // end of namespace Functor
/** Create a helper GPU Kernel class for GPUBinaryThresholdImageFilter */
itkGPUKernelClassMacro(GPUBinaryThresholdImageFilterKernel);
/**
* \class GPUBinaryThresholdImageFilter
*
* \brief GPU version of binary threshold image filter.
*
* \ingroup ITKGPUThresholding
*/
template< typename TInputImage, typename TOutputImage >
class ITK_TEMPLATE_EXPORT GPUBinaryThresholdImageFilter :
public
GPUUnaryFunctorImageFilter< TInputImage, TOutputImage,
Functor::GPUBinaryThreshold<
typename TInputImage::PixelType,
typename TOutputImage::PixelType >,
BinaryThresholdImageFilter<TInputImage, TOutputImage> >
{
public:
/** Standard class typedefs. */
typedef GPUBinaryThresholdImageFilter Self;
typedef GPUUnaryFunctorImageFilter< TInputImage, TOutputImage,
Functor::GPUBinaryThreshold<
typename TInputImage::PixelType,
typename TOutputImage::PixelType >,
BinaryThresholdImageFilter<TInputImage, TOutputImage> > GPUSuperclass;
typedef BinaryThresholdImageFilter<TInputImage, TOutputImage> CPUSuperclass;
typedef SmartPointer< Self > Pointer;
typedef SmartPointer< const Self > ConstPointer;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Run-time type information (and related methods). */
itkTypeMacro(GPUBinaryThresholdImageFilter, GPUUnaryFunctorImageFilter);
/** Pixel types. */
typedef typename TInputImage::PixelType InputPixelType;
typedef typename TOutputImage::PixelType OutputPixelType;
/** Type of DataObjects to use for scalar inputs */
typedef SimpleDataObjectDecorator< InputPixelType > InputPixelObjectType;
/** Get OpenCL Kernel source as a string, creates a GetOpenCLSource method */
itkGetOpenCLSourceFromKernelMacro(GPUBinaryThresholdImageFilterKernel);
protected:
GPUBinaryThresholdImageFilter();
virtual ~GPUBinaryThresholdImageFilter() ITK_OVERRIDE {}
/** This method is used to set the state of the filter before
* multi-threading. */
//virtual void BeforeThreadedGenerateData();
/** Unlike CPU version, GPU version of binary threshold filter is not
multi-threaded */
virtual void GPUGenerateData() ITK_OVERRIDE;
private:
ITK_DISALLOW_COPY_AND_ASSIGN(GPUBinaryThresholdImageFilter);
};
/**
* \class GPUBinaryThresholdImageFilterFactory
* Object Factory implemenatation for GPUBinaryThresholdImageFilter
*
* \ingroup ITKGPUThresholding
*/
class GPUBinaryThresholdImageFilterFactory : public ObjectFactoryBase
{
public:
typedef GPUBinaryThresholdImageFilterFactory Self;
typedef ObjectFactoryBase Superclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** Class methods used to interface with the registered factories. */
virtual const char* GetITKSourceVersion() const ITK_OVERRIDE
{
return ITK_SOURCE_VERSION;
}
const char* GetDescription() const ITK_OVERRIDE
{
return "A Factory for GPUBinaryThresholdImageFilter";
}
/** Method for class instantiation. */
itkFactorylessNewMacro(Self);
/** Run-time type information (and related methods). */
itkTypeMacro(GPUBinaryThresholdImageFilterFactory, itk::ObjectFactoryBase);
/** Register one factory of this type */
static void RegisterOneFactory(void)
{
GPUBinaryThresholdImageFilterFactory::Pointer factory = GPUBinaryThresholdImageFilterFactory::New();
itk::ObjectFactoryBase::RegisterFactory(factory);
}
private:
ITK_DISALLOW_COPY_AND_ASSIGN(GPUBinaryThresholdImageFilterFactory);
#define OverrideThresholdFilterTypeMacro(ipt,opt,dm) \
{ \
typedef itk::Image<ipt,dm> InputImageType; \
typedef itk::Image<opt,dm> OutputImageType; \
this->RegisterOverride( \
typeid(itk::BinaryThresholdImageFilter<InputImageType,OutputImageType>).name(), \
typeid(itk::GPUBinaryThresholdImageFilter<InputImageType,OutputImageType>).name(), \
"GPU Binary Threshold Image Filter Override", \
true, \
itk::CreateObjectFunction<GPUBinaryThresholdImageFilter<InputImageType,OutputImageType> >::New() ); \
}
GPUBinaryThresholdImageFilterFactory()
{
if( IsGPUAvailable() )
{
OverrideThresholdFilterTypeMacro(unsigned char, unsigned char, 1);
OverrideThresholdFilterTypeMacro(char, char, 1);
OverrideThresholdFilterTypeMacro(float,float,1);
OverrideThresholdFilterTypeMacro(int,int,1);
OverrideThresholdFilterTypeMacro(unsigned int,unsigned int,1);
OverrideThresholdFilterTypeMacro(double,double,1);
OverrideThresholdFilterTypeMacro(unsigned char, unsigned char, 2);
OverrideThresholdFilterTypeMacro(char, char, 2);
OverrideThresholdFilterTypeMacro(float,float,2);
OverrideThresholdFilterTypeMacro(int,int,2);
OverrideThresholdFilterTypeMacro(unsigned int,unsigned int,2);
OverrideThresholdFilterTypeMacro(double,double,2);
OverrideThresholdFilterTypeMacro(unsigned char, unsigned char, 3);
OverrideThresholdFilterTypeMacro(unsigned short, unsigned short, 3);
OverrideThresholdFilterTypeMacro(char, char, 3);
OverrideThresholdFilterTypeMacro(float,float,3);
OverrideThresholdFilterTypeMacro(int,int,3);
OverrideThresholdFilterTypeMacro(unsigned int,unsigned int,3);
OverrideThresholdFilterTypeMacro(double,double,3);
}
}
};
} // end of namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkGPUBinaryThresholdImageFilter.hxx"
#endif
#endif
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