implemented OpenCL version of cv::updateMotionHistory

modules/video/perf/opencl/perf_motempl.cpp

@@ -0,0 +1,36 @@
+// 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.
+
+// Copyright (C) 2014, Advanced Micro Devices, Inc., all rights reserved.
+// Third party copyrights are property of their respective owners.
+
+#include "perf_precomp.hpp"
+#include "opencv2/ts/ocl_perf.hpp"
+
+#ifdef HAVE_OPENCL
+
+namespace cvtest {
+namespace ocl {
+
+///////////// UpdateMotionHistory ////////////////////////
+
+typedef TestBaseWithParam<Size> UpdateMotionHistoryFixture;
+
+OCL_PERF_TEST_P(UpdateMotionHistoryFixture, UpdateMotionHistory, OCL_TEST_SIZES)
+{
+    const Size size = GetParam();
+    checkDeviceMaxMemoryAllocSize(size, CV_32FC1);
+
+    UMat silhouette(size, CV_8UC1), mhi(size, CV_32FC1);
+    randu(silhouette, -5, 5);
+    declare.in(mhi, WARMUP_RNG);
+
+    OCL_TEST_CYCLE() cv::updateMotionHistory(silhouette, mhi, 1, 0.5);
+
+    SANITY_CHECK(mhi);
+}
+
+} } // namespace cvtest::ocl
+
+#endif // HAVE_OPENCL