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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.
- //---------------------------------------------------------------------------//
- #define BOOST_TEST_MODULE TestInteropVTK
- #include <boost/test/unit_test.hpp>
- #include <vtkFloatArray.h>
- #include <vtkMatrix4x4.h>
- #include <vtkNew.h>
- #include <vtkPoints.h>
- #include <vtkSmartPointer.h>
- #include <vtkUnsignedCharArray.h>
- #include <boost/compute/system.hpp>
- #include <boost/compute/algorithm/sort.hpp>
- #include <boost/compute/container/vector.hpp>
- #include <boost/compute/detail/is_contiguous_iterator.hpp>
- #include <boost/compute/interop/vtk.hpp>
- #include "check_macros.hpp"
- #include "context_setup.hpp"
- namespace compute = boost::compute;
- BOOST_AUTO_TEST_CASE(bounds)
- {
- using compute::float4_;
- // create vtk points
- vtkNew<vtkPoints> points;
- points->InsertNextPoint(0.0, 0.0, 0.0);
- points->InsertNextPoint(1.0, 2.0, 1.0);
- points->InsertNextPoint(-1.0, -3.0, -1.0);
- points->InsertNextPoint(0.5, 2.5, 1.5);
- // copy points to vector on gpu
- compute::vector<float4_> vector(points->GetNumberOfPoints(), context);
- compute::vtk_copy_points_to_buffer(points.GetPointer(), vector.begin(), queue);
- // compute bounds
- double bounds[6];
- compute::vtk_compute_bounds(vector.begin(), vector.end(), bounds, queue);
- // check bounds
- BOOST_CHECK_CLOSE(bounds[0], -1.0, 1e-8);
- BOOST_CHECK_CLOSE(bounds[1], 1.0, 1e-8);
- BOOST_CHECK_CLOSE(bounds[2], -3.0, 1e-8);
- BOOST_CHECK_CLOSE(bounds[3], 2.5, 1e-8);
- BOOST_CHECK_CLOSE(bounds[4], -1.0, 1e-8);
- BOOST_CHECK_CLOSE(bounds[5], 1.5, 1e-8);
- }
- BOOST_AUTO_TEST_CASE(copy_uchar_array)
- {
- // create vtk uchar vector containing 3 RGBA colors
- vtkNew<vtkUnsignedCharArray> array;
- array->SetNumberOfComponents(4);
- unsigned char red[4] = { 255, 0, 0, 255 };
- array->InsertNextTupleValue(red);
- unsigned char green[4] = { 0, 255, 0, 255 };
- array->InsertNextTupleValue(green);
- unsigned char blue[4] = { 0, 0, 255, 255 };
- array->InsertNextTupleValue(blue);
- // create vector<uchar4> on device and copy values from vtk array
- compute::vector<compute::uchar4_> vector(3, context);
- compute::vtk_copy_data_array_to_buffer(
- array.GetPointer(),
- compute::make_buffer_iterator<compute::uchar_>(vector.get_buffer(), 0),
- queue
- );
- // check values
- std::vector<compute::uchar4_> host_vector(3);
- compute::copy(
- vector.begin(), vector.end(), host_vector.begin(), queue
- );
- BOOST_CHECK(host_vector[0] == compute::uchar4_(255, 0, 0, 255));
- BOOST_CHECK(host_vector[1] == compute::uchar4_(0, 255, 0, 255));
- BOOST_CHECK(host_vector[2] == compute::uchar4_(0, 0, 255, 255));
- }
- BOOST_AUTO_TEST_CASE(sort_float_array)
- {
- // create vtk float array
- vtkNew<vtkFloatArray> array;
- array->InsertNextValue(2.5f);
- array->InsertNextValue(1.0f);
- array->InsertNextValue(6.5f);
- array->InsertNextValue(4.0f);
- // create vector on device and copy values from vtk array
- compute::vector<float> vector(4, context);
- compute::vtk_copy_data_array_to_buffer(array.GetPointer(), vector.begin(), queue);
- // sort values on the gpu
- compute::sort(vector.begin(), vector.end(), queue);
- CHECK_RANGE_EQUAL(float, 4, vector, (1.0f, 2.5f, 4.0f, 6.5f));
- // copy sorted values back to the vtk array
- compute::vtk_copy_buffer_to_data_array(
- vector.begin(), vector.end(), array.GetPointer(), queue
- );
- BOOST_CHECK_EQUAL(array->GetValue(0), 1.0f);
- BOOST_CHECK_EQUAL(array->GetValue(1), 2.5f);
- BOOST_CHECK_EQUAL(array->GetValue(2), 4.0f);
- BOOST_CHECK_EQUAL(array->GetValue(3), 6.5f);
- }
- BOOST_AUTO_TEST_SUITE_END()
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