refactored border interpolation in gpu module

modules/gpu/src/border_interpolate.cpp

+/*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 "internal_common.hpp"
+#include "border_interpolate.hpp"
+#include "opencv2/gpu/gpu.hpp"
+
+
+bool cv::gpu::tryConvertToGpuBorderType(int cpuBorderType, int& gpuBorderType)
+{
+    if (cpuBorderType == cv::BORDER_REFLECT101)
+    {
+        gpuBorderType = cv::gpu::BORDER_REFLECT101;
+        return true;
+    }
+
+    if (cpuBorderType == cv::BORDER_REPLICATE)
+    {
+        gpuBorderType = cv::gpu::BORDER_REPLICATE;
+        return true;
+    }
+
+    return false;
+}
\ No newline at end of file

modules/gpu/src/border_interpolate.hpp

+/*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*/
+
+#ifndef __OPENCV_GPU_BORDER_INTERPOLATE_HPP__
+#define __OPENCV_GPU_BORDER_INTERPOLATE_HPP__
+
+#include "border_interpolate.hpp"
+
+namespace cv { namespace gpu {
+
+    // Converts CPU border extrapolation mode into GPU internal analogue.
+    // Returns true if the GPU analogue exists, false otherwise.
+    bool tryConvertToGpuBorderType(int cpuBorderType, int& gpuBorderType);
+
+}}
+
+#endif
\ No newline at end of file

modules/gpu/src/cuda/border_interpolate.hpp

@@ -28,7 +28,7 @@
 //     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 bpied warranties, including, but not limited to, the bpied
+// 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
@@ -40,6 +40,11 @@
 //
 //M*/
 
+#ifndef __OPENCV_GPU_BORDER_INTERPOLATE_HPP__
+#define __OPENCV_GPU_BORDER_INTERPOLATE_HPP__
+
+#include "../internal_common.hpp"
+
 namespace cv { namespace gpu {
 
     struct BrdReflect101 
@@ -169,4 +174,6 @@ namespace cv { namespace gpu {
         int step;
     };
 
-}}
\ No newline at end of file
+}}
+
+#endif
\ No newline at end of file

modules/gpu/src/cuda/cuda_shared.hpp

@@ -95,13 +95,6 @@ namespace cv
             cudaSafeCall( cudaUnbindTexture(tex) );
         }        
 
-        // Available GPU border interpolation modes (named as CPU 
-        // border interpolation modes)
-        enum 
-        {
-            BORDER_REFLECT101 = 0,
-            BORDER_REPLICATE
-        };
     }
 }
 

modules/gpu/src/cuda/imgproc.cu

@@ -42,7 +42,6 @@
 
 #include "cuda_shared.hpp"
 #include "border_interpolate.hpp"
-#include <stdio.h>
 
 using namespace cv::gpu;
 

modules/gpu/src/imgproc_gpu.cpp

@@ -41,6 +41,7 @@
 //M*/
 
 #include "precomp.hpp"
+#include "border_interpolate.hpp"
 
 using namespace cv;
 using namespace cv::gpu;
@@ -940,18 +941,11 @@ namespace
 
 void cv::gpu::cornerHarris(const GpuMat& src, GpuMat& dst, int blockSize, int ksize, double k, int borderType)
 {
+    CV_Assert(borderType == cv::BORDER_REFLECT101 ||
+              borderType == cv::BORDER_REPLICATE);
+
     int gpuBorderType;
-    switch (borderType)
-    {
-    case cv::BORDER_REFLECT101:
-        gpuBorderType = cv::gpu::BORDER_REFLECT101; 
-        break;
-    case cv::BORDER_REPLICATE:
-        gpuBorderType = cv::gpu::BORDER_REPLICATE; 
-        break;
-    default:
-        CV_Error(CV_StsBadArg, "cornerHarris: unsupported border extrapolation mode");
-    }
+    CV_Assert(tryConvertToGpuBorderType(borderType, gpuBorderType));
 
     GpuMat Dx, Dy;
     extractCovData(src, Dx, Dy, blockSize, ksize, gpuBorderType);
@@ -961,18 +955,11 @@ void cv::gpu::cornerHarris(const GpuMat& src, GpuMat& dst, int blockSize, int ks
 
 void cv::gpu::cornerMinEigenVal(const GpuMat& src, GpuMat& dst, int blockSize, int ksize, int borderType)
 {  
+    CV_Assert(borderType == cv::BORDER_REFLECT101 ||
+              borderType == cv::BORDER_REPLICATE);
+
     int gpuBorderType;
-    switch (borderType)
-    {
-    case cv::BORDER_REFLECT101:
-        gpuBorderType = cv::gpu::BORDER_REFLECT101;
-        break;
-    case cv::BORDER_REPLICATE:
-        gpuBorderType = cv::gpu::BORDER_REPLICATE; 
-        break;
-    default:
-        CV_Error(CV_StsBadArg, "cornerMinEigenVal: unsupported border extrapolation mode");
-    }
+    CV_Assert(tryConvertToGpuBorderType(borderType, gpuBorderType));
 
     GpuMat Dx, Dy;
     extractCovData(src, Dx, Dy, blockSize, ksize, gpuBorderType);    

modules/gpu/src/internal_common.hpp

+/*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*/
+
+#ifndef __OPENCV_GPU_INTERNAL_COMMON_HPP__
+#define __OPENCV_GPU_INTERNAL_COMMON_HPP__
+
+namespace cv { namespace gpu {
+
+    // Internal GPU anlagues of CPU border extrapolation types
+    enum 
+    {
+        BORDER_REFLECT101 = 0,
+        BORDER_REPLICATE
+    };
+
+}}
+
+#endif
\ No newline at end of file