//---------------------------------------------------------------------------//
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// Copyright (c) 2013-2014 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_INTEROP_VTK_DATA_ARRAY_HPP
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#define BOOST_COMPUTE_INTEROP_VTK_DATA_ARRAY_HPP
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#include <vtkDataArray.h>
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#include <vtkDataArrayTemplate.h>
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#include <boost/compute/system.hpp>
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#include <boost/compute/command_queue.hpp>
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#include <boost/compute/algorithm/copy.hpp>
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#include <boost/compute/algorithm/copy_n.hpp>
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#include <boost/compute/iterator/buffer_iterator.hpp>
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namespace boost {
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namespace compute {
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/// Copies the values in \p data to \p buffer.
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template<class T>
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inline void vtk_copy_data_array_to_buffer(const vtkDataArray *data,
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buffer_iterator<T> buffer,
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command_queue &queue = system::default_queue());
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/// \internal_
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template<class T>
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inline void vtk_copy_data_array_to_buffer(const vtkDataArrayTemplate<T> *data,
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buffer_iterator<T> buffer,
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command_queue &queue = system::default_queue())
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{
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vtkDataArrayTemplate<T> *data_ = const_cast<vtkDataArrayTemplate<T> *>(data);
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const T *data_ptr = static_cast<const T *>(data_->GetVoidPointer(0));
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size_t data_size = data_->GetNumberOfComponents() * data_->GetNumberOfTuples();
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::boost::compute::copy_n(data_ptr, data_size, buffer, queue);
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}
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/// Copies the values in the range [\p first, \p last) to \p data.
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template<class T>
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inline void vtk_copy_buffer_to_data_array(buffer_iterator<T> first,
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buffer_iterator<T> last,
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vtkDataArray *data,
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command_queue &queue = system::default_queue());
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/// \internal_
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template<class T>
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inline void vtk_copy_buffer_to_data_array(buffer_iterator<T> first,
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buffer_iterator<T> last,
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vtkDataArrayTemplate<T> *data,
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command_queue &queue = system::default_queue())
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{
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T *data_ptr = static_cast<T *>(data->GetVoidPointer(0));
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::boost::compute::copy(first, last, data_ptr, queue);
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}
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} // end compute namespace
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} // end boost namespace
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#endif // BOOST_COMPUTE_INTEROP_VTK_DATA_ARRAY_HPP
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