added BufferAllocator

modules/cuda/test/test_buffer_pool.cpp

@@ -0,0 +1,120 @@
+/*M///////////////////////////////////////////////////////////////////////////////////////
+//
+//  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
+//
+//  By downloading, copying, installing or using the software you agree to this license.
+//  If you do not agree to this license, do not download, install,
+//  copy or use the software.
+//
+//
+//                           License Agreement
+//                For Open Source Computer Vision Library
+//
+// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
+// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
+// Third party copyrights are property of their respective owners.
+//
+// Redistribution and use in source and binary forms, with or without modification,
+// are permitted provided that the following conditions are met:
+//
+//   * Redistribution's of source code must retain the above copyright notice,
+//     this list of conditions and the following disclaimer.
+//
+//   * Redistribution's in binary form must reproduce the above copyright notice,
+//     this list of conditions and the following disclaimer in the documentation
+//     and/or other materials provided with the distribution.
+//
+//   * The name of the copyright holders may not be used to endorse or promote products
+//     derived from this software without specific prior written permission.
+//
+// This software is provided by the copyright holders and contributors "as is" and
+// any express or implied warranties, including, but not limited to, the implied
+// warranties of merchantability and fitness for a particular purpose are disclaimed.
+// In no event shall the Intel Corporation or contributors be liable for any direct,
+// indirect, incidental, special, exemplary, or consequential damages
+// (including, but not limited to, procurement of substitute goods or services;
+// loss of use, data, or profits; or business interruption) however caused
+// and on any theory of liability, whether in contract, strict liability,
+// or tort (including negligence or otherwise) arising in any way out of
+// the use of this software, even if advised of the possibility of such damage.
+//
+//M*/
+
+#include "test_precomp.hpp"
+
+#ifdef HAVE_CUDA
+
+#include "opencv2/cudaarithm.hpp"
+#include "opencv2/cudawarping.hpp"
+#include "opencv2/core/private.cuda.hpp"
+
+using namespace testing;
+using namespace cv;
+using namespace cv::cuda;
+
+struct BufferPool : TestWithParam<DeviceInfo>
+{
+};
+
+namespace
+{
+    void func1(const GpuMat& src, GpuMat& dst, Stream& stream)
+    {
+        BufferAllocator bufAlloc(stream);
+
+        GpuMat buf(&bufAlloc);
+
+        src.convertTo(buf, CV_32F, 1.0 / 255.0, stream);
+
+        cuda::exp(buf, dst, stream);
+    }
+
+    void func2(const GpuMat& src, GpuMat& dst, Stream& stream)
+    {
+        BufferAllocator bufAlloc(stream);
+
+        GpuMat buf1(&bufAlloc);
+
+        cuda::resize(src, buf1, Size(), 0.5, 0.5, cv::INTER_NEAREST, stream);
+
+        GpuMat buf2(&bufAlloc);
+
+        func1(buf1, buf2, stream);
+
+        GpuMat buf3(&bufAlloc);
+
+        cuda::resize(buf2, buf3, src.size(), 0, 0, cv::INTER_NEAREST, stream);
+
+        buf3.convertTo(dst, CV_8U, stream);
+    }
+}
+
+CUDA_TEST_P(BufferPool, Test)
+{
+    DeviceInfo devInfo = GetParam();
+    setDevice(devInfo.deviceID());
+
+    GpuMat src(200, 200, CV_8UC1);
+    GpuMat dst;
+
+    Stream stream;
+
+    func2(src, dst, stream);
+
+    stream.waitForCompletion();
+
+    GpuMat buf, buf1, buf2, buf3;
+    GpuMat dst_gold;
+
+    cuda::resize(src, buf1, Size(), 0.5, 0.5, cv::INTER_NEAREST);
+    buf1.convertTo(buf, CV_32F, 1.0 / 255.0);
+    cuda::exp(buf, buf2);
+    cuda::resize(buf2, buf3, src.size(), 0, 0, cv::INTER_NEAREST);
+    buf3.convertTo(dst_gold, CV_8U);
+
+    ASSERT_MAT_NEAR(dst_gold, dst, 0);
+}
+
+INSTANTIATE_TEST_CASE_P(CUDA_Stream, BufferPool, ALL_DEVICES);
+
+#endif // HAVE_CUDA