1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
|
//---------------------------------------------------------------------------//
// 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()
|
