dynamic_smem.hpp

[詳解]

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//M*/








#ifndef OPENCV_CUDA_DYNAMIC_SMEM_HPP




#define OPENCV_CUDA_DYNAMIC_SMEM_HPP












namespace

cv
{
namespace
cuda {
namespace
device


{



template<class
T>
struct
DynamicSharedMem



{



__device__ __forceinline__
operator
T*()



{



extern
__shared__
int
__smem[];



return
(T*)__smem;



}







__device__ __forceinline__
operator
const
T*()
const




{



extern
__shared__
int
__smem[];



return
(T*)__smem;



}



};







// specialize for double to avoid unaligned memory access compile errors




template<>
struct
DynamicSharedMem<double>



{



__device__ __forceinline__
operator
double*()



{



extern
__shared__
double
__smem_d[];



return
(double*)__smem_d;



}







__device__ __forceinline__
operator
const
double*()
const




{



extern
__shared__
double
__smem_d[];



return
(double*)__smem_d;



}



};


}}}











#endif

// OPENCV_CUDA_DYNAMIC_SMEM_HPP