From 4ecc0232195c067a71f4336d2af0f9898c6162f3 Mon Sep 17 00:00:00 2001
From: Alexander Alekhin <alexander.alekhin@itseez.com>
Date: Wed, 2 Sep 2015 20:20:07 +0300
Subject: [PATCH] UMat: add perf test for custom ptr

---
 modules/core/perf/perf_umat.cpp | 68 +++++++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100644 modules/core/perf/perf_umat.cpp

diff --git a/modules/core/perf/perf_umat.cpp b/modules/core/perf/perf_umat.cpp
new file mode 100644
index 000000000..ddeaa7abc
--- /dev/null
+++ b/modules/core/perf/perf_umat.cpp
@@ -0,0 +1,68 @@
+// 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"
+#include "opencv2/ts/ocl_perf.hpp"
+
+using namespace std;
+using namespace cv;
+using namespace ::perf;
+using namespace ::cvtest::ocl;
+using namespace ::testing;
+using std::tr1::tuple;
+using std::tr1::get;
+
+namespace {
+
+struct OpenCLState
+{
+    OpenCLState(bool useOpenCL)
+    {
+        isOpenCL_enabled = cv::ocl::useOpenCL();
+        cv::ocl::setUseOpenCL(useOpenCL);
+    }
+
+    ~OpenCLState()
+    {
+        cv::ocl::setUseOpenCL(isOpenCL_enabled);
+    }
+
+private:
+    bool isOpenCL_enabled;
+};
+
+typedef TestBaseWithParam< tuple<Size, bool, int> > UMatTest;
+
+OCL_PERF_TEST_P(UMatTest, CustomPtr, Combine(Values(sz1080p, sz2160p), Bool(), ::testing::Values(4, 64, 4096)))
+{
+    OpenCLState s(get<1>(GetParam()));
+
+    int type = CV_8UC1;
+    cv::Size size = get<0>(GetParam());
+    size_t align_base = 4096;
+    const int align_offset = get<2>(GetParam());
+
+    void* pData_allocated = new unsigned char [size.area() * CV_ELEM_SIZE(type) + (align_base + align_offset)];
+    void* pData = (char*)alignPtr(pData_allocated, (int)align_base) + align_offset;
+    size_t step = size.width * CV_ELEM_SIZE(type);
+
+    OCL_TEST_CYCLE()
+    {
+        Mat m = Mat(size, type, pData, step);
+        m.setTo(cv::Scalar::all(2));
+
+        UMat u = m.getUMat(ACCESS_RW);
+        cv::add(u, cv::Scalar::all(2), u);
+        cv::add(u, cv::Scalar::all(3), u);
+
+        Mat d = u.getMat(ACCESS_READ);
+        ASSERT_EQ(7, d.at<char>(0, 0));
+    }
+
+    delete[] (unsigned char*)pData_allocated;
+
+    SANITY_CHECK_NOTHING();
+}
+
+} // namespace cvtest