Initial commit

2026-10-13 23:53:29 +00:00 · 2015-10-15 17:07:34 +02:00
parent da44352544
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+/*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_COMMON_HPP__
+#define __OPENCV_GPU_COMMON_HPP__
+
+#include <cuda_runtime.h>
+#include "opencv2/core/cuda_devptrs.hpp"
+
+#ifndef CV_PI
+    #define CV_PI   3.1415926535897932384626433832795
+#endif
+
+#ifndef CV_PI_F
+    #ifndef CV_PI
+        #define CV_PI_F 3.14159265f
+    #else
+        #define CV_PI_F ((float)CV_PI)
+    #endif
+#endif
+
+#if defined(__GNUC__)
+    #define cudaSafeCall(expr)  ___cudaSafeCall(expr, __FILE__, __LINE__, __func__)
+#else /* defined(__CUDACC__) || defined(__MSVC__) */
+    #define cudaSafeCall(expr)  ___cudaSafeCall(expr, __FILE__, __LINE__)
+#endif
+
+namespace cv { namespace gpu
+{
+    void error(const char *error_string, const char *file, const int line, const char *func);
+
+    template <typename T> static inline bool isAligned(const T* ptr, size_t size)
+    {
+        return reinterpret_cast<size_t>(ptr) % size == 0;
+    }
+
+    static inline bool isAligned(size_t step, size_t size)
+    {
+        return step % size == 0;
+    }
+}}
+
+static inline void ___cudaSafeCall(cudaError_t err, const char *file, const int line, const char *func = "")
+{
+    if (cudaSuccess != err)
+        cv::gpu::error(cudaGetErrorString(err), file, line, func);
+}
+
+namespace cv { namespace gpu
+{
+    __host__ __device__ __forceinline__ int divUp(int total, int grain)
+    {
+        return (total + grain - 1) / grain;
+    }
+
+    namespace device
+    {
+        using cv::gpu::divUp;
+
+#ifdef __CUDACC__
+        typedef unsigned char uchar;
+        typedef unsigned short ushort;
+        typedef signed char schar;
+        #if defined (_WIN32) || defined (__APPLE__)
+            typedef unsigned int uint;
+        #endif
+
+        template<class T> inline void bindTexture(const textureReference* tex, const PtrStepSz<T>& img)
+        {
+            cudaChannelFormatDesc desc = cudaCreateChannelDesc<T>();
+            cudaSafeCall( cudaBindTexture2D(0, tex, img.ptr(), &desc, img.cols, img.rows, img.step) );
+        }
+#endif // __CUDACC__
+    }
+}}
+
+
+
+#endif // __OPENCV_GPU_COMMON_HPP__