/usr/include/opencv2/gpu/device/common.hpp is in libopencv-gpu-dev 2.4.9.1+dfsg1-2.
This file is owned by root:root, with mode 0o644.
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#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__
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