Add peromance tests for OCL integral sum of square

modules/imgproc/perf/opencl/perf_imgproc.cpp

@@ -234,6 +234,23 @@ OCL_PERF_TEST_P(IntegralFixture, Integral1, ::testing::Combine(OCL_TEST_SIZES, O
     SANITY_CHECK(dst, 1e-6, ERROR_RELATIVE);
 }
 
+OCL_PERF_TEST_P(IntegralFixture, Integral2, ::testing::Combine(OCL_TEST_SIZES, OCL_PERF_ENUM(CV_32S, CV_32F)))
+{
+    const IntegralParams params = GetParam();
+    const Size srcSize = get<0>(params);
+    const int ddepth = get<1>(params);
+
+    checkDeviceMaxMemoryAllocSize(srcSize, ddepth);
+
+    UMat src(srcSize, CV_8UC1), sum(srcSize + Size(1, 1), ddepth), sqsum(srcSize + Size(1, 1), ddepth);
+    declare.in(src, WARMUP_RNG).out(sum).out(sqsum);
+
+    OCL_TEST_CYCLE() cv::integral(src, sum, sqsum, ddepth, ddepth);
+
+    SANITY_CHECK(sum, 2e-6, ERROR_RELATIVE);
+    SANITY_CHECK(sqsum, 2e-6, ERROR_RELATIVE);
+}
+
 ///////////// Threshold ////////////////////////
 
 CV_ENUM(ThreshType, THRESH_BINARY, THRESH_BINARY_INV, THRESH_TRUNC, THRESH_TOZERO_INV)