62 lines
1.5 KiB
C++
62 lines
1.5 KiB
C++
//---------------------------------------------------------------------------//
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// Copyright (c) 2013 Kyle Lutz <kyle.r.lutz@gmail.com>
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//
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// Distributed under the Boost Software License, Version 1.0
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// See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt
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//
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// See http://boostorg.github.com/compute for more information.
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//---------------------------------------------------------------------------//
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#ifndef BOOST_COMPUTE_CONTAINER_DETAIL_SCALAR_HPP
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#define BOOST_COMPUTE_CONTAINER_DETAIL_SCALAR_HPP
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#include <boost/compute/buffer.hpp>
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#include <boost/compute/detail/read_write_single_value.hpp>
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namespace boost {
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namespace compute {
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namespace detail {
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// scalar<T> provides a trivial "container" that stores a
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// single value in a memory buffer on a compute device
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template<class T>
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class scalar
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{
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public:
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typedef T value_type;
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scalar(const context &context)
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: m_buffer(context, sizeof(T))
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{
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}
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~scalar()
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{
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}
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T read(command_queue &queue) const
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{
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return read_single_value<T>(m_buffer, 0, queue);
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}
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void write(const T &value, command_queue &queue)
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{
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write_single_value<T>(value, m_buffer, 0, queue);
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}
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const buffer& get_buffer() const
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{
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return m_buffer;
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}
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private:
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buffer m_buffer;
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};
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} // end detail namespace
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} // end compute namespace
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} // end boost namespace
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#endif // BOOST_COMPUTE_CONTAINER_DETAIL_SCALAR_HPP
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