itkOpenCLVectorBase.h

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/*=========================================================================
 *
 *  Copyright UMC Utrecht and contributors
 *
 *  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 __itkOpenCLVectorBase_h
#define __itkOpenCLVectorBase_h
 
#include "itkOpenCLMemoryObject.h"
 
namespace itk
{
// Forward declaration
class OpenCLContext;
class OpenCLKernel;
class OpenCLVectorBasePimpl;
 
class ITKOpenCL_EXPORT OpenCLVectorBase
{
protected:
 
  OpenCLVectorBase( const std::size_t elemSize );
 
  OpenCLVectorBase( const std::size_t elemSize, const OpenCLVectorBase & other );
 
  ~OpenCLVectorBase();
 
  void Assign( const OpenCLVectorBase & other );
 
  void Create( OpenCLContext * context,
    const OpenCLMemoryObject::Access access, const std::size_t size  );
 
  void Release();
 
  void Map();
 
  void Unmap() const;
 
  void Read( void * data, const std::size_t size, const std::size_t offset = 0 );
 
  void Write( const void * data, const std::size_t size, const std::size_t offset = 0 );
 
  cl_mem GetMemoryId() const;
 
  OpenCLContext * GetContext() const;
 
  cl_mem GetKernelArgument() const;
 
protected:
 
  OpenCLVectorBasePimpl * d_ptr;
  std::size_t             m_ElementSize;
  std::size_t             m_Size;
  mutable void *          m_Mapped;
 
  friend class OpenCLKernel;
};
 
} // end namespace itk
 
#endif /* __itkOpenCLVectorBase_h */