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Merge pull request #8314 from chacha21:fix_cuda_absdiff

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Vadim Pisarevsky 2017-05-25 09:09:19 +00:00
commit ec49eb813c
1 changed files with 44 additions and 20 deletions
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64
modules/cudaarithm/src/cuda/absdiff_scalar.cu
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@ -56,14 +56,14 @@ void absDiffScalar(const GpuMat& src, cv::Scalar val, bool, GpuMat& dst, const G
namespace
{
template <typename T, typename S> struct AbsDiffScalarOp : unary_function<T, T>
template <typename SrcType, typename ScalarType, typename DstType> struct AbsDiffScalarOp : unary_function<SrcType, DstType>
{
S val;
ScalarType val;
__device__ __forceinline__ T operator ()(T a) const
__device__ __forceinline__ DstType operator ()(SrcType a) const
{
abs_func<S> f;
return saturate_cast<T>(f(a - val));
abs_func<ScalarType> f;
return saturate_cast<DstType>(f(saturate_cast<ScalarType>(a) - val));
}
};
@ -78,33 +78,57 @@ namespace
};
template <typename SrcType, typename ScalarDepth>
void absDiffScalarImpl(const GpuMat& src, double value, GpuMat& dst, Stream& stream)
void absDiffScalarImpl(const GpuMat& src, cv::Scalar value, GpuMat& dst, Stream& stream)
{
AbsDiffScalarOp<SrcType, ScalarDepth> op;
op.val = static_cast<ScalarDepth>(value);
typedef typename MakeVec<ScalarDepth, VecTraits<SrcType>::cn>::type ScalarType;
cv::Scalar_<ScalarDepth> value_ = value;
AbsDiffScalarOp<SrcType, ScalarType, SrcType> op;
op.val = VecTraits<ScalarType>::make(value_.val);
gridTransformUnary_< TransformPolicy<ScalarDepth> >(globPtr<SrcType>(src), globPtr<SrcType>(dst), op, stream);
}
}
void absDiffScalar(const GpuMat& src, cv::Scalar val, bool, GpuMat& dst, const GpuMat&, double, Stream& stream, int)
{
typedef void (*func_t)(const GpuMat& src, double val, GpuMat& dst, Stream& stream);
static const func_t funcs[] =
typedef void (*func_t)(const GpuMat& src, cv::Scalar val, GpuMat& dst, Stream& stream);
static const func_t funcs[7][4] =
{
absDiffScalarImpl<uchar, float>,
absDiffScalarImpl<schar, float>,
absDiffScalarImpl<ushort, float>,
absDiffScalarImpl<short, float>,
absDiffScalarImpl<int, float>,
absDiffScalarImpl<float, float>,
absDiffScalarImpl<double, double>
{
absDiffScalarImpl<uchar, float>, absDiffScalarImpl<uchar2, float>, absDiffScalarImpl<uchar3, float>, absDiffScalarImpl<uchar4, float>
},
{
absDiffScalarImpl<schar, float>, absDiffScalarImpl<char2, float>, absDiffScalarImpl<char3, float>, absDiffScalarImpl<char4, float>
},
{
absDiffScalarImpl<ushort, float>, absDiffScalarImpl<ushort2, float>, absDiffScalarImpl<ushort3, float>, absDiffScalarImpl<ushort4, float>
},
{
absDiffScalarImpl<short, float>, absDiffScalarImpl<short2, float>, absDiffScalarImpl<short3, float>, absDiffScalarImpl<short4, float>
},
{
absDiffScalarImpl<int, float>, absDiffScalarImpl<int2, float>, absDiffScalarImpl<int3, float>, absDiffScalarImpl<int4, float>
},
{
absDiffScalarImpl<float, float>, absDiffScalarImpl<float2, float>, absDiffScalarImpl<float3, float>, absDiffScalarImpl<float4, float>
},
{
absDiffScalarImpl<double, double>, absDiffScalarImpl<double2, double>, absDiffScalarImpl<double3, double>, absDiffScalarImpl<double4, double>
}
};
const int depth = src.depth();
const int sdepth = src.depth();
const int ddepth = dst.depth();
const int cn = src.channels();
CV_DbgAssert( depth <= CV_64F );
CV_DbgAssert( sdepth <= CV_64F && ddepth <= CV_64F && cn <= 4 && src.type() == dst.type());
funcs[depth](src, val[0], dst, stream);
const func_t func = funcs[sdepth][cn - 1];
if (!func)
CV_Error(cv::Error::StsUnsupportedFormat, "Unsupported combination of source and destination types");
func(src, val, dst, stream);
}
#endif