From 6f12f1b3b5895d1cba2be95983f7b35d00ad1b1a Mon Sep 17 00:00:00 2001
From: Ilya Lavrenov <ilya.lavrenov@itseez.com>
Date: Fri, 14 Mar 2014 17:25:34 +0400
Subject: [PATCH] added 3 vs 4 channels performance tests

---
 modules/imgproc/perf/opencl/perf_3vs4.cpp | 137 ++++++++++++++++++++++
 1 file changed, 137 insertions(+)
 create mode 100644 modules/imgproc/perf/opencl/perf_3vs4.cpp

diff --git a/modules/imgproc/perf/opencl/perf_3vs4.cpp b/modules/imgproc/perf/opencl/perf_3vs4.cpp
new file mode 100644
index 0000000000..f6601e1233
--- /dev/null
+++ b/modules/imgproc/perf/opencl/perf_3vs4.cpp
@@ -0,0 +1,137 @@
+// 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 {
+
+///////////// 3 channels Vs 4 ////////////////////////
+
+enum
+{
+    Pure = 0, Split, Convert
+};
+
+CV_ENUM(Modes, Pure, Split, Convert)
+
+typedef tuple <Size, MatType, Modes> _3vs4Params;
+typedef TestBaseWithParam<_3vs4Params> _3vs4_Fixture;
+
+OCL_PERF_TEST_P(_3vs4_Fixture, Resize,
+                ::testing::Combine(OCL_TEST_SIZES, OCL_PERF_ENUM(CV_8UC3, CV_32FC3), Modes::all()))
+{
+    _3vs4Params params = GetParam();
+    const Size srcSize = get<0>(params);
+    const int type = get<1>(params), depth = CV_MAT_DEPTH(type);
+    const int mode = get<2>(params);
+
+    checkDeviceMaxMemoryAllocSize(srcSize, type);
+
+    UMat src(srcSize, type), dst(srcSize, type);
+    declare.in(src, WARMUP_RNG).out(dst);
+
+    if (mode == Pure)
+    {
+        OCL_TEST_CYCLE() resize(src, dst, Size(), 0.5, 0.5, INTER_LINEAR);
+    }
+    else if (mode == Split)
+    {
+        std::vector<UMat> srcs(3), dsts(3);
+
+        for (int i = 0; i < 3; ++i)
+        {
+            dsts[i] = UMat(srcSize, depth);
+            srcs[i] = UMat(srcSize, depth);
+        }
+
+        OCL_TEST_CYCLE()
+        {
+            split(src, srcs);
+
+            for (size_t i = 0; i < srcs.size(); ++i)
+                resize(srcs[i], dsts[i], Size(), 0.5, 0.5, INTER_LINEAR);
+
+            merge(dsts, dst);
+        }
+    }
+    else if (mode == Convert)
+    {
+        int type4 = CV_MAKE_TYPE(depth, 4);
+        UMat src4(srcSize, type4), dst4(srcSize, type4);
+
+        OCL_TEST_CYCLE()
+        {
+            cvtColor(src, src4, COLOR_RGB2RGBA);
+            resize(src4, dst4, Size(), 0.5, 0.5, INTER_LINEAR);
+            cvtColor(dst4, dst, COLOR_RGBA2RGB);
+        }
+    }
+
+    SANITY_CHECK_NOTHING();
+}
+
+OCL_PERF_TEST_P(_3vs4_Fixture, Subtract,
+                ::testing::Combine(OCL_TEST_SIZES, OCL_PERF_ENUM(CV_8UC3, CV_32FC3), Modes::all()))
+{
+    _3vs4Params params = GetParam();
+    const Size srcSize = get<0>(params);
+    const int type = get<1>(params), depth = CV_MAT_DEPTH(type);
+    const int mode = get<2>(params);
+
+    checkDeviceMaxMemoryAllocSize(srcSize, type);
+
+    Scalar s(14);
+    UMat src(srcSize, type), dst(srcSize, type);
+    declare.in(src, WARMUP_RNG).out(dst);
+
+    if (mode == Pure)
+    {
+        OCL_TEST_CYCLE() subtract(src, s, dst);
+    }
+    else if (mode == Split)
+    {
+        std::vector<UMat> srcs(3), dsts(3);
+
+        for (int i = 0; i < 3; ++i)
+        {
+            dsts[i] = UMat(srcSize, depth);
+            srcs[i] = UMat(srcSize, depth);
+        }
+
+        OCL_TEST_CYCLE()
+        {
+            split(src, srcs);
+
+            for (size_t i = 0; i < srcs.size(); ++i)
+                subtract(srcs[i], s, dsts[i]);
+
+            merge(dsts, dst);
+        }
+    }
+    else if (mode == Convert)
+    {
+        int type4 = CV_MAKE_TYPE(depth, 4);
+        UMat src4(srcSize, type4), dst4(srcSize, type4);
+
+        OCL_TEST_CYCLE()
+        {
+            cvtColor(src, src4, COLOR_RGB2RGBA);
+            subtract(src4, s, dst4);
+            cvtColor(dst4, dst, COLOR_RGBA2RGB);
+        }
+    }
+
+    SANITY_CHECK_NOTHING();
+}
+
+} } // namespace cvtest::ocl
+
+#endif // HAVE_OPENCL