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41
42 #include "../perf_precomp.hpp"
43 #include "opencv2/stitching/warpers.hpp"
44 #include "opencv2/ts/ocl_perf.hpp"
45
46 #ifdef HAVE_OPENCL
47
48 namespace cvtest {
49 namespace ocl {
50
51 ///////////////////////// Stitching Warpers ///////////////////////////
52
53 enum
54 {
55 SphericalWarperType = 0,
56 CylindricalWarperType = 1,
57 PlaneWarperType = 2
58 };
59
60 class WarperBase
61 {
62 public:
WarperBase(int type,Size srcSize)63 explicit WarperBase(int type, Size srcSize)
64 {
65 Ptr<WarperCreator> creator;
66 if (type == SphericalWarperType)
67 creator = makePtr<SphericalWarper>();
68 else if (type == CylindricalWarperType)
69 creator = makePtr<CylindricalWarper>();
70 else if (type == PlaneWarperType)
71 creator = makePtr<PlaneWarper>();
72 CV_Assert(!creator.empty());
73
74 K = Mat::eye(3, 3, CV_32FC1);
75 K.at<float>(0,0) = (float)srcSize.width;
76 K.at<float>(0,2) = (float)srcSize.width/2;
77 K.at<float>(1,1) = (float)srcSize.height;
78 K.at<float>(1,2) = (float)srcSize.height/2;
79 K.at<float>(2,2) = 1.0f;
80 R = Mat::eye(3, 3, CV_32FC1);
81 float scale = (float)srcSize.width;
82
83 warper = creator->create(scale);
84 }
85
buildMaps(Size src_size,OutputArray xmap,OutputArray ymap) const86 Rect buildMaps(Size src_size, OutputArray xmap, OutputArray ymap) const
87 {
88 return warper->buildMaps(src_size, K, R, xmap, ymap);
89 }
90
warp(InputArray src,int interp_mode,int border_mode,OutputArray dst) const91 Point warp(InputArray src, int interp_mode, int border_mode, OutputArray dst) const
92 {
93 return warper->warp(src, K, R, interp_mode, border_mode, dst);
94 }
95
96 private:
97 Ptr<detail::RotationWarper> warper;
98 Mat K, R;
99 };
100
101 CV_ENUM(WarperType, SphericalWarperType, CylindricalWarperType, PlaneWarperType)
102
103 typedef tuple<Size, WarperType> StitchingWarpersParams;
104 typedef TestBaseWithParam<StitchingWarpersParams> StitchingWarpersFixture;
105
prepareWarperSrc(InputOutputArray src,Size srcSize)106 static void prepareWarperSrc(InputOutputArray src, Size srcSize)
107 {
108 src.create(srcSize, CV_8UC1);
109 src.setTo(Scalar::all(64));
110 ellipse(src, Point(srcSize.width/2, srcSize.height/2), Size(srcSize.width/2, srcSize.height/2),
111 360, 0, 360, Scalar::all(255), 2);
112 ellipse(src, Point(srcSize.width/2, srcSize.height/2), Size(srcSize.width/3, srcSize.height/3),
113 360, 0, 360, Scalar::all(128), 2);
114 rectangle(src, Point(10, 10), Point(srcSize.width - 10, srcSize.height - 10), Scalar::all(128), 2);
115 }
116
OCL_PERF_TEST_P(StitchingWarpersFixture,StitchingWarpers_BuildMaps,::testing::Combine (OCL_TEST_SIZES,WarperType::all ()))117 OCL_PERF_TEST_P(StitchingWarpersFixture, StitchingWarpers_BuildMaps,
118 ::testing::Combine(OCL_TEST_SIZES, WarperType::all()))
119 {
120 const StitchingWarpersParams params = GetParam();
121 const Size srcSize = get<0>(params);
122 const WarperBase warper(get<1>(params), srcSize);
123
124 UMat xmap, ymap;
125
126 OCL_TEST_CYCLE() warper.buildMaps(srcSize, xmap, ymap);
127
128 SANITY_CHECK(xmap, 1e-3);
129 SANITY_CHECK(ymap, 1e-3);
130 }
131
OCL_PERF_TEST_P(StitchingWarpersFixture,StitchingWarpers_Warp,::testing::Combine (OCL_TEST_SIZES,WarperType::all ()))132 OCL_PERF_TEST_P(StitchingWarpersFixture, StitchingWarpers_Warp,
133 ::testing::Combine(OCL_TEST_SIZES, WarperType::all()))
134 {
135 const StitchingWarpersParams params = GetParam();
136 const Size srcSize = get<0>(params);
137 const WarperBase warper(get<1>(params), srcSize);
138
139 UMat src, dst;
140 prepareWarperSrc(src, srcSize);
141 declare.in(src, WARMUP_READ);
142
143 OCL_TEST_CYCLE() warper.warp(src, INTER_LINEAR, BORDER_REPLICATE, dst);
144
145 #if 0
146 namedWindow("src", WINDOW_NORMAL);
147 namedWindow("dst", WINDOW_NORMAL);
148 imshow("src", src);
149 imshow("dst", dst);
150 std::cout << dst.size() << " " << dst.size().area() << std::endl;
151 cv::waitKey();
152 #endif
153
154 SANITY_CHECK(dst, 1e-5);
155 }
156
157 } } // namespace cvtest::ocl
158
159 #endif // HAVE_OPENCL
160