add part of opencv

Lib/opencv/sources/modules/imgproc/perf/perf_spatialgradient.cpp

@@ -0,0 +1,35 @@
+// This file is part of OpenCV project.
+// It is subject to the license terms in the LICENSE file found in the top-level directory
+// of this distribution and at http://opencv.org/license.html.
+#include "perf_precomp.hpp"
+
+namespace opencv_test {
+
+typedef tuple<Size, int, int> Size_Ksize_BorderType_t;
+typedef perf::TestBaseWithParam<Size_Ksize_BorderType_t> Size_Ksize_BorderType;
+
+PERF_TEST_P( Size_Ksize_BorderType, spatialGradient,
+    Combine(
+        SZ_ALL_HD,
+        Values( 3 ),
+        Values( BORDER_DEFAULT, BORDER_REPLICATE )
+    )
+)
+{
+    Size size = get<0>(GetParam());
+    int ksize = get<1>(GetParam());
+    int borderType = get<2>(GetParam());
+
+    Mat src(size, CV_8UC1);
+    Mat dx(size, CV_16SC1);
+    Mat dy(size, CV_16SC1);
+
+    declare.in(src, WARMUP_RNG).out(dx, dy);
+
+    TEST_CYCLE() spatialGradient(src, dx, dy, ksize, borderType);
+
+    SANITY_CHECK(dx);
+    SANITY_CHECK(dy);
+}
+
+} // namespace