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Filename : malloc.hpp
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//---------------------------------------------------------------------------//
// Copyright (c) 2013 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_EXPERIMENTAL_MALLOC_HPP
#define BOOST_COMPUTE_EXPERIMENTAL_MALLOC_HPP

#include <boost/compute/buffer.hpp>
#include <boost/compute/system.hpp>
#include <boost/compute/context.hpp>
#include <boost/compute/detail/device_ptr.hpp>

namespace boost {
namespace compute {
namespace experimental {

// bring device_ptr into the experimental namespace
using detail::device_ptr;

template<class T>
inline device_ptr<T>
malloc(std::size_t size, const context &context = system::default_context())
{
    buffer buf(context, size * sizeof(T));
    clRetainMemObject(buf.get());
    return device_ptr<T>(buf);
}

inline device_ptr<char>
malloc(std::size_t size, const context &context = system::default_context())
{
    return malloc<char>(size, context);
}

template<class T>
inline void free(device_ptr<T> &ptr)
{
    clReleaseMemObject(ptr.get_buffer().get());
}

} // end experimental namespace
} // end compute namespace
} // end boost namespace

#endif // BOOST_COMPUTE_EXPERIMENTAL_MALLOC_HPP