Merge branch '4.x' into '5.x'

modules/core/perf/opencl/perf_arithm.cpp

@@ -375,6 +375,36 @@ OCL_PERF_TEST_P(FlipFixture, Flip,
     SANITY_CHECK(dst);
 }
 
+///////////// Rotate ////////////////////////
+
+enum
+{
+    ROTATE_90_CLOCKWISE = 0, ROTATE_180, ROTATE_90_COUNTERCLOCKWISE
+};
+
+CV_ENUM(RotateType, ROTATE_90_CLOCKWISE, ROTATE_180, ROTATE_90_COUNTERCLOCKWISE)
+
+typedef tuple<Size, MatType, RotateType> RotateParams;
+typedef TestBaseWithParam<RotateParams> RotateFixture;
+
+OCL_PERF_TEST_P(RotateFixture, rotate,
+                ::testing::Combine(OCL_TEST_SIZES, OCL_TEST_TYPES, RotateType::all()))
+{
+    const RotateParams params = GetParam();
+    const Size srcSize   = get<0>(params);
+    const int type       = get<1>(params);
+    const int rotateCode = get<2>(params);
+
+    checkDeviceMaxMemoryAllocSize(srcSize, type);
+
+    UMat src(srcSize, type), dst(srcSize, type);
+    declare.in(src, WARMUP_RNG).out(dst);
+
+    OCL_TEST_CYCLE() cv::rotate(src, dst, rotateCode);
+
+    SANITY_CHECK_NOTHING();
+}
+
 ///////////// minMaxLoc ////////////////////////
 
 typedef Size_MatType MinMaxLocFixture;