/*
 * Software License Agreement (BSD License)
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 *     with the distribution.
 *   * Neither the name of Willow Garage, Inc. nor the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
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 *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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 *  FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 *  COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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 *  Author: Anatoly Baskeheev, Itseez Ltd, (myname.mysurname@mycompany.com)
 */

#ifndef PCL_GPU_CONTAINER_DEVICE_MEMORY_IMPL_HPP_
#define PCL_GPU_CONTAINER_DEVICE_MEMORY_IMPL_HPP_

namespace pcl {

namespace gpu {

////////////////////  Inline implementations of DeviceMemory //////////////////
template <class T>
inline T*
DeviceMemory::ptr()
{
  return (T*)data_;
}

template <class T>
inline const T*
DeviceMemory::ptr() const
{
  return (const T*)data_;
}

template <class U>
inline DeviceMemory::operator PtrSz<U>() const
{
  PtrSz<U> result;
  result.data = (U*)ptr<U>();
  result.size = sizeBytes_ / sizeof(U);
  return result;
}

////////////////////  Inline implementations of DeviceMemory2D ////////////////
template <class T>
T*
DeviceMemory2D::ptr(int y_arg)
{
  return (T*)((char*)data_ + y_arg * step_);
}

template <class T>
const T*
DeviceMemory2D::ptr(int y_arg) const
{
  return (const T*)((const char*)data_ + y_arg * step_);
}

template <class U>
DeviceMemory2D::operator PtrStep<U>() const
{
  PtrStep<U> result;
  result.data = (U*)ptr<U>();
  result.step = step_;
  return result;
}

template <class U>
DeviceMemory2D::operator PtrStepSz<U>() const
{
  PtrStepSz<U> result;
  result.data = (U*)ptr<U>();
  result.step = step_;
  result.cols = colsBytes_ / sizeof(U);
  result.rows = rows_;
  return result;
}

} // namespace gpu
} // namespace pcl

#endif /* PCL_GPU_CONTAINER_DEVICE_MEMORY_IMPL_HPP_ */
