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//---------------------------------------------------------------------------//
// Copyright (c) 2013-2014 Kyle Lutz <kyle.r.lutz@gmail.com>
//
// Distributed under the Boost Software License, Version 1.0
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt
//
// See http://boostorg.github.com/compute for more information.
//---------------------------------------------------------------------------//
#ifndef BOOST_COMPUTE_MEMORY_SVM_PTR_HPP
#define BOOST_COMPUTE_MEMORY_SVM_PTR_HPP
#include <boost/compute/cl.hpp>
#include <boost/compute/type_traits/is_device_iterator.hpp>
namespace boost {
namespace compute {
template<class T>
class svm_ptr
{
public:
typedef T value_type;
typedef std::ptrdiff_t difference_type;
typedef T* pointer;
typedef T& reference;
typedef std::random_access_iterator_tag iterator_category;
svm_ptr()
: m_ptr(0)
{
}
explicit svm_ptr(void *ptr)
: m_ptr(static_cast<T*>(ptr))
{
}
svm_ptr(const svm_ptr<T> &other)
: m_ptr(other.m_ptr)
{
}
svm_ptr& operator=(const svm_ptr<T> &other)
{
m_ptr = other.m_ptr;
return *this;
}
~svm_ptr()
{
}
void* get() const
{
return m_ptr;
}
svm_ptr<T> operator+(difference_type n)
{
return svm_ptr<T>(m_ptr + n);
}
difference_type operator-(svm_ptr<T> other)
{
return m_ptr - other.m_ptr;
}
private:
T *m_ptr;
};
/// \internal_ (is_device_iterator specialization for svm_ptr)
template<class T>
struct is_device_iterator<svm_ptr<T> > : boost::true_type {};
} // end compute namespace
} // end boost namespace
#endif // BOOST_COMPUTE_MEMORY_SVM_PTR_HPP
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