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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 __itkGPUImageDataManager_h
#define __itkGPUImageDataManager_h
#include <itkObject.h>
#include <itkTimeStamp.h>
#include <itkLightObject.h>
#include <itkObjectFactory.h>
#include "itkOpenCLUtil.h"
#include "itkGPUDataManager.h"
#include "itkGPUContextManager.h"
#include "itkSimpleFastMutexLock.h"
namespace itk
{
template < typename TPixel, unsigned int NDimension > class GPUImage;
/**
* \class GPUImageDataManager
*
* DataManager for GPUImage. This class will take care of data synchronization
* between CPU Image and GPU Image.
*
* \ingroup ITKGPUCommon
*/
template < typename ImageType >
class GPUImageDataManager : public GPUDataManager
{
// allow GPUKernelManager to access GPU buffer pointer
friend class GPUKernelManager;
friend class GPUImage< typename ImageType::PixelType, ImageType::ImageDimension >;
public:
typedef GPUImageDataManager Self;
typedef GPUDataManager Superclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
itkNewMacro(Self);
itkTypeMacro(GPUImageDataManager, GPUDataManager);
static const unsigned int ImageDimension = ImageType::ImageDimension;
itkGetModifiableObjectMacro(GPUBufferedRegionIndex, GPUDataManager);
itkGetModifiableObjectMacro(GPUBufferedRegionSize, GPUDataManager);
void SetImagePointer( typename ImageType::Pointer img );
ImageType *GetImagePointer()
{
return this->m_Image.GetPointer();
}
/** actual GPU->CPU memory copy takes place here */
virtual void MakeCPUBufferUpToDate();
/** actual CPU->GPU memory copy takes place here */
virtual void MakeGPUBufferUpToDate();
/** Grafting GPU Image Data */
virtual void Graft(const GPUDataManager* data);
protected:
GPUImageDataManager() {}
virtual ~GPUImageDataManager() {}
private:
GPUImageDataManager(const Self&); //purposely not implemented
void operator=(const Self&);
typename ImageType::Pointer m_Image;
int m_BufferedRegionIndex[ImageType::ImageDimension];
int m_BufferedRegionSize[ImageType::ImageDimension];
typename GPUDataManager::Pointer m_GPUBufferedRegionIndex;
typename GPUDataManager::Pointer m_GPUBufferedRegionSize;
};
} // namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkGPUImageDataManager.hxx"
#endif
#endif
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