void cv::gpu::ORB_GPU::buildScalePyramids(const GpuMat& image, const GpuMat& mask)
{
CV_Assert(image.type() == CV_8UC1);
CV_Assert(mask.empty() || (mask.type() == CV_8UC1 && mask.size() == image.size()));
imagePyr_.resize(nLevels_);
maskPyr_.resize(nLevels_);
for (int level = 0; level < nLevels_; ++level)
{
float scale = 1.0f / getScale(scaleFactor_, firstLevel_, level);
Size sz(cvRound(image.cols * scale), cvRound(image.rows * scale));
ensureSizeIsEnough(sz, image.type(), imagePyr_[level]);
ensureSizeIsEnough(sz, CV_8UC1, maskPyr_[level]);
maskPyr_[level].setTo(Scalar::all(255));
// Compute the resized image
if (level != firstLevel_)
{
if (level < firstLevel_)
{
resize(image, imagePyr_[level], sz, 0, 0, INTER_LINEAR);
if (!mask.empty())
resize(mask, maskPyr_[level], sz, 0, 0, INTER_LINEAR);
}
else
{
resize(imagePyr_[level - 1], imagePyr_[level], sz, 0, 0, INTER_LINEAR);
if (!mask.empty())
{
resize(maskPyr_[level - 1], maskPyr_[level], sz, 0, 0, INTER_LINEAR);
threshold(maskPyr_[level], maskPyr_[level], 254, 0, THRESH_TOZERO);
}
}
}
else
{
image.copyTo(imagePyr_[level]);
if (!mask.empty())
mask.copyTo(maskPyr_[level]);
}
// Filter keypoints by image border
ensureSizeIsEnough(sz, CV_8UC1, buf_);
buf_.setTo(Scalar::all(0));
Rect inner(edgeThreshold_, edgeThreshold_, sz.width - 2 * edgeThreshold_, sz.height - 2 * edgeThreshold_);
buf_(inner).setTo(Scalar::all(255));
bitwise_and(maskPyr_[level], buf_, maskPyr_[level]);
}
}
void cv::gpu::normalize(const GpuMat& src, GpuMat& dst, double a, double b, int norm_type, int dtype, const GpuMat& mask, GpuMat& norm_buf, GpuMat& cvt_buf)
{
double scale = 1, shift = 0;
if (norm_type == NORM_MINMAX)
{
double smin = 0, smax = 0;
double dmin = std::min(a, b), dmax = std::max(a, b);
minMax(src, &smin, &smax, mask, norm_buf);
scale = (dmax - dmin) * (smax - smin > numeric_limits<double>::epsilon() ? 1.0 / (smax - smin) : 0.0);
shift = dmin - smin * scale;
}
else if (norm_type == NORM_L2 || norm_type == NORM_L1 || norm_type == NORM_INF)
{
scale = norm(src, norm_type, mask, norm_buf);
scale = scale > numeric_limits<double>::epsilon() ? a / scale : 0.0;
shift = 0;
}
else
{
CV_Error(CV_StsBadArg, "Unknown/unsupported norm type");
}
if (mask.empty())
{
src.convertTo(dst, dtype, scale, shift);
}
else
{
src.convertTo(cvt_buf, dtype, scale, shift);
cvt_buf.copyTo(dst, mask);
}
}
void split(const GpuMat& src, GpuMat* dst, const cudaStream_t& stream)
{
CV_Assert(dst);
bool double_ok = TargetArchs::builtWith(NATIVE_DOUBLE) &&
DeviceInfo().supports(NATIVE_DOUBLE);
CV_Assert(src.depth() != CV_64F || double_ok);
int depth = src.depth();
int num_channels = src.channels();
Size size = src.size();
if (num_channels == 1)
{
src.copyTo(dst[0]);
return;
}
for (int i = 0; i < num_channels; ++i)
dst[i].create(src.size(), depth);
CV_Assert(num_channels <= 4);
DevMem2D dst_as_devmem[4];
for (int i = 0; i < num_channels; ++i)
dst_as_devmem[i] = dst[i];
DevMem2D src_as_devmem(src);
split_merge::split_caller(src_as_devmem, dst_as_devmem,
num_channels, src.elemSize1(),
stream);
}
void cv::gpu::Stream::enqueueConvert(const GpuMat& src, GpuMat& dst, int rtype, double alpha, double beta)
{
CV_Assert((src.depth() != CV_64F && CV_MAT_DEPTH(rtype) != CV_64F) ||
(TargetArchs::builtWith(NATIVE_DOUBLE) && DeviceInfo().supports(NATIVE_DOUBLE)));
bool noScale = fabs(alpha-1) < std::numeric_limits<double>::epsilon() && fabs(beta) < std::numeric_limits<double>::epsilon();
if( rtype < 0 )
rtype = src.type();
else
rtype = CV_MAKETYPE(CV_MAT_DEPTH(rtype), src.channels());
int sdepth = src.depth(), ddepth = CV_MAT_DEPTH(rtype);
if( sdepth == ddepth && noScale )
{
src.copyTo(dst);
return;
}
GpuMat temp;
const GpuMat* psrc = &src;
if( sdepth != ddepth && psrc == &dst )
psrc = &(temp = src);
dst.create( src.size(), rtype );
convertTo(src, dst, alpha, beta, Impl::getStream(impl));
}
void cv::gpu::ImagePyramid::getLayer(GpuMat& outImg, Size outRoi, Stream& stream) const
{
using namespace cv::gpu::device::pyramid;
typedef void (*func_t)(PtrStepSzb src, PtrStepSzb dst, cudaStream_t stream);
static const func_t funcs[6][4] =
{
{kernelInterpolateFrom1_gpu<uchar1> , 0 /*kernelInterpolateFrom1_gpu<uchar2>*/ , kernelInterpolateFrom1_gpu<uchar3> , kernelInterpolateFrom1_gpu<uchar4> },
{0 /*kernelInterpolateFrom1_gpu<char1>*/ , 0 /*kernelInterpolateFrom1_gpu<char2>*/ , 0 /*kernelInterpolateFrom1_gpu<char3>*/ , 0 /*kernelInterpolateFrom1_gpu<char4>*/ },
{kernelInterpolateFrom1_gpu<ushort1> , 0 /*kernelInterpolateFrom1_gpu<ushort2>*/, kernelInterpolateFrom1_gpu<ushort3> , kernelInterpolateFrom1_gpu<ushort4> },
{0 /*kernelInterpolateFrom1_gpu<short1>*/, 0 /*kernelInterpolateFrom1_gpu<short2>*/ , 0 /*kernelInterpolateFrom1_gpu<short3>*/, 0 /*kernelInterpolateFrom1_gpu<short4>*/},
{0 /*kernelInterpolateFrom1_gpu<int1>*/ , 0 /*kernelInterpolateFrom1_gpu<int2>*/ , 0 /*kernelInterpolateFrom1_gpu<int3>*/ , 0 /*kernelInterpolateFrom1_gpu<int4>*/ },
{kernelInterpolateFrom1_gpu<float1> , 0 /*kernelInterpolateFrom1_gpu<float2>*/ , kernelInterpolateFrom1_gpu<float3> , kernelInterpolateFrom1_gpu<float4> }
};
CV_Assert(outRoi.width <= layer0_.cols && outRoi.height <= layer0_.rows && outRoi.width > 0 && outRoi.height > 0);
ensureSizeIsEnough(outRoi, layer0_.type(), outImg);
const func_t func = funcs[outImg.depth()][outImg.channels() - 1];
CV_Assert(func != 0);
if (outRoi.width == layer0_.cols && outRoi.height == layer0_.rows)
{
if (stream)
stream.enqueueCopy(layer0_, outImg);
else
layer0_.copyTo(outImg);
}
float lastScale = 1.0f;
float curScale;
GpuMat lastLayer = layer0_;
GpuMat curLayer;
for (int i = 0; i < nLayers_ - 1; ++i)
{
curScale = lastScale * 0.5f;
curLayer = pyramid_[i];
if (outRoi.width == curLayer.cols && outRoi.height == curLayer.rows)
{
if (stream)
stream.enqueueCopy(curLayer, outImg);
else
curLayer.copyTo(outImg);
}
if (outRoi.width >= curLayer.cols && outRoi.height >= curLayer.rows)
break;
lastScale = curScale;
lastLayer = curLayer;
}
func(lastLayer, outImg, StreamAccessor::getStream(stream));
}
void cv::gpu::GaussianBlur(const GpuMat& src, GpuMat& dst, Size ksize, double sigma1, double sigma2)
{
if (ksize.width == 1 && ksize.height == 1)
{
src.copyTo(dst);
return;
}
dst.create(src.size(), src.type());
Ptr<FilterEngine_GPU> f = createGaussianFilter_GPU(src.type(), ksize, sigma1, sigma2);
f->apply(src, dst);
}
void cv::gpu::GaussianBlur(const GpuMat& src, GpuMat& dst, Size ksize, double sigma1, double sigma2, int rowBorderType, int columnBorderType, Stream& stream)
{
if (ksize.width == 1 && ksize.height == 1)
{
src.copyTo(dst);
return;
}
dst.create(src.size(), src.type());
Ptr<FilterEngine_GPU> f = createGaussianFilter_GPU(src.type(), ksize, sigma1, sigma2, rowBorderType, columnBorderType);
f->apply(src, dst, Rect(0, 0, src.cols, src.rows), stream);
}
void cv::cuda::resize(InputArray _src, OutputArray _dst, Size dsize, double fx, double fy, int interpolation, Stream& stream)
{
GpuMat src = _src.getGpuMat();
typedef void (*func_t)(const PtrStepSzb& src, const PtrStepSzb& srcWhole, int yoff, int xoff, const PtrStepSzb& dst, float fy, float fx, int interpolation, cudaStream_t stream);
static const func_t funcs[6][4] =
{
{device::resize<uchar> , 0 /*device::resize<uchar2>*/ , device::resize<uchar3> , device::resize<uchar4> },
{0 /*device::resize<schar>*/, 0 /*device::resize<char2>*/ , 0 /*device::resize<char3>*/, 0 /*device::resize<char4>*/},
{device::resize<ushort> , 0 /*device::resize<ushort2>*/, device::resize<ushort3> , device::resize<ushort4> },
{device::resize<short> , 0 /*device::resize<short2>*/ , device::resize<short3> , device::resize<short4> },
{0 /*device::resize<int>*/ , 0 /*device::resize<int2>*/ , 0 /*device::resize<int3>*/ , 0 /*device::resize<int4>*/ },
{device::resize<float> , 0 /*device::resize<float2>*/ , device::resize<float3> , device::resize<float4> }
};
CV_Assert( src.depth() <= CV_32F && src.channels() <= 4 );
CV_Assert( interpolation == INTER_NEAREST || interpolation == INTER_LINEAR || interpolation == INTER_CUBIC || interpolation == INTER_AREA );
CV_Assert( !(dsize == Size()) || (fx > 0 && fy > 0) );
if (dsize == Size())
{
dsize = Size(saturate_cast<int>(src.cols * fx), saturate_cast<int>(src.rows * fy));
}
else
{
fx = static_cast<double>(dsize.width) / src.cols;
fy = static_cast<double>(dsize.height) / src.rows;
}
_dst.create(dsize, src.type());
GpuMat dst = _dst.getGpuMat();
if (dsize == src.size())
{
src.copyTo(dst, stream);
return;
}
const func_t func = funcs[src.depth()][src.channels() - 1];
if (!func)
CV_Error(Error::StsUnsupportedFormat, "Unsupported combination of source and destination types");
Size wholeSize;
Point ofs;
src.locateROI(wholeSize, ofs);
PtrStepSzb wholeSrc(wholeSize.height, wholeSize.width, src.datastart, src.step);
func(src, wholeSrc, ofs.y, ofs.x, dst, static_cast<float>(1.0 / fy), static_cast<float>(1.0 / fx), interpolation, StreamAccessor::getStream(stream));
}
void cv::gpu::Stream::enqueueConvert(const GpuMat& src, GpuMat& dst, int rtype, double alpha, double beta)
{
bool noScale = fabs(alpha-1) < std::numeric_limits<double>::epsilon() && fabs(beta) < std::numeric_limits<double>::epsilon();
if( rtype < 0 )
rtype = src.type();
else
rtype = CV_MAKETYPE(CV_MAT_DEPTH(rtype), src.channels());
int sdepth = src.depth(), ddepth = CV_MAT_DEPTH(rtype);
if( sdepth == ddepth && noScale )
{
src.copyTo(dst);
return;
}
GpuMat temp;
const GpuMat* psrc = &src;
if( sdepth != ddepth && psrc == &dst )
psrc = &(temp = src);
dst.create( src.size(), rtype );
matrix_operations::convert_to(*psrc, sdepth, dst, ddepth, psrc->channels(), alpha, beta, impl->stream);
}
void cv::gpu::gemm(const GpuMat& src1, const GpuMat& src2, double alpha, const GpuMat& src3, double beta, GpuMat& dst, int flags, Stream& stream)
{
#ifndef HAVE_CUBLAS
(void)src1;
(void)src2;
(void)alpha;
(void)src3;
(void)beta;
(void)dst;
(void)flags;
(void)stream;
CV_Error(CV_StsNotImplemented, "The library was build without CUBLAS");
#else
// CUBLAS works with column-major matrices
CV_Assert(src1.type() == CV_32FC1 || src1.type() == CV_32FC2 || src1.type() == CV_64FC1 || src1.type() == CV_64FC2);
CV_Assert(src2.type() == src1.type() && (src3.empty() || src3.type() == src1.type()));
if (src1.depth() == CV_64F)
{
if (!deviceSupports(NATIVE_DOUBLE))
CV_Error(CV_StsUnsupportedFormat, "The device doesn't support double");
}
bool tr1 = (flags & GEMM_1_T) != 0;
bool tr2 = (flags & GEMM_2_T) != 0;
bool tr3 = (flags & GEMM_3_T) != 0;
if (src1.type() == CV_64FC2)
{
if (tr1 || tr2 || tr3)
CV_Error(CV_StsNotImplemented, "transpose operation doesn't implemented for CV_64FC2 type");
}
Size src1Size = tr1 ? Size(src1.rows, src1.cols) : src1.size();
Size src2Size = tr2 ? Size(src2.rows, src2.cols) : src2.size();
Size src3Size = tr3 ? Size(src3.rows, src3.cols) : src3.size();
Size dstSize(src2Size.width, src1Size.height);
CV_Assert(src1Size.width == src2Size.height);
CV_Assert(src3.empty() || src3Size == dstSize);
dst.create(dstSize, src1.type());
if (beta != 0)
{
if (src3.empty())
{
if (stream)
stream.enqueueMemSet(dst, Scalar::all(0));
else
dst.setTo(Scalar::all(0));
}
else
{
if (tr3)
{
transpose(src3, dst, stream);
}
else
{
if (stream)
stream.enqueueCopy(src3, dst);
else
src3.copyTo(dst);
}
}
}
cublasHandle_t handle;
cublasSafeCall( cublasCreate_v2(&handle) );
cublasSafeCall( cublasSetStream_v2(handle, StreamAccessor::getStream(stream)) );
cublasSafeCall( cublasSetPointerMode_v2(handle, CUBLAS_POINTER_MODE_HOST) );
const float alphaf = static_cast<float>(alpha);
const float betaf = static_cast<float>(beta);
const cuComplex alphacf = make_cuComplex(alphaf, 0);
const cuComplex betacf = make_cuComplex(betaf, 0);
const cuDoubleComplex alphac = make_cuDoubleComplex(alpha, 0);
const cuDoubleComplex betac = make_cuDoubleComplex(beta, 0);
cublasOperation_t transa = tr2 ? CUBLAS_OP_T : CUBLAS_OP_N;
cublasOperation_t transb = tr1 ? CUBLAS_OP_T : CUBLAS_OP_N;
switch (src1.type())
{
case CV_32FC1:
cublasSafeCall( cublasSgemm_v2(handle, transa, transb, tr2 ? src2.rows : src2.cols, tr1 ? src1.cols : src1.rows, tr2 ? src2.cols : src2.rows,
&alphaf,
src2.ptr<float>(), static_cast<int>(src2.step / sizeof(float)),
src1.ptr<float>(), static_cast<int>(src1.step / sizeof(float)),
&betaf,
dst.ptr<float>(), static_cast<int>(dst.step / sizeof(float))) );
break;
case CV_64FC1:
cublasSafeCall( cublasDgemm_v2(handle, transa, transb, tr2 ? src2.rows : src2.cols, tr1 ? src1.cols : src1.rows, tr2 ? src2.cols : src2.rows,
&alpha,
src2.ptr<double>(), static_cast<int>(src2.step / sizeof(double)),
src1.ptr<double>(), static_cast<int>(src1.step / sizeof(double)),
&beta,
dst.ptr<double>(), static_cast<int>(dst.step / sizeof(double))) );
break;
case CV_32FC2:
cublasSafeCall( cublasCgemm_v2(handle, transa, transb, tr2 ? src2.rows : src2.cols, tr1 ? src1.cols : src1.rows, tr2 ? src2.cols : src2.rows,
&alphacf,
src2.ptr<cuComplex>(), static_cast<int>(src2.step / sizeof(cuComplex)),
src1.ptr<cuComplex>(), static_cast<int>(src1.step / sizeof(cuComplex)),
&betacf,
dst.ptr<cuComplex>(), static_cast<int>(dst.step / sizeof(cuComplex))) );
break;
case CV_64FC2:
cublasSafeCall( cublasZgemm_v2(handle, transa, transb, tr2 ? src2.rows : src2.cols, tr1 ? src1.cols : src1.rows, tr2 ? src2.cols : src2.rows,
&alphac,
src2.ptr<cuDoubleComplex>(), static_cast<int>(src2.step / sizeof(cuDoubleComplex)),
src1.ptr<cuDoubleComplex>(), static_cast<int>(src1.step / sizeof(cuDoubleComplex)),
&betac,
dst.ptr<cuDoubleComplex>(), static_cast<int>(dst.step / sizeof(cuDoubleComplex))) );
break;
}
cublasSafeCall( cublasDestroy_v2(handle) );
#endif
}
void cv::cuda::dft(InputArray _src, OutputArray _dst, Size dft_size, int flags, Stream& stream)
{
#ifndef HAVE_CUFFT
(void) _src;
(void) _dst;
(void) dft_size;
(void) flags;
(void) stream;
throw_no_cuda();
#else
GpuMat src = _src.getGpuMat();
CV_Assert( src.type() == CV_32FC1 || src.type() == CV_32FC2 );
// We don't support unpacked output (in the case of real input)
CV_Assert( !(flags & DFT_COMPLEX_OUTPUT) );
const bool is_1d_input = (dft_size.height == 1) || (dft_size.width == 1);
const bool is_row_dft = (flags & DFT_ROWS) != 0;
const bool is_scaled_dft = (flags & DFT_SCALE) != 0;
const bool is_inverse = (flags & DFT_INVERSE) != 0;
const bool is_complex_input = src.channels() == 2;
const bool is_complex_output = !(flags & DFT_REAL_OUTPUT);
// We don't support real-to-real transform
CV_Assert( is_complex_input || is_complex_output );
GpuMat src_cont = src;
// Make sure here we work with the continuous input,
// as CUFFT can't handle gaps
createContinuous(src.rows, src.cols, src.type(), src_cont);
if (src_cont.data != src.data)
src.copyTo(src_cont, stream);
Size dft_size_opt = dft_size;
if (is_1d_input && !is_row_dft)
{
// If the source matrix is single column handle it as single row
dft_size_opt.width = std::max(dft_size.width, dft_size.height);
dft_size_opt.height = std::min(dft_size.width, dft_size.height);
}
CV_Assert( dft_size_opt.width > 1 );
cufftType dft_type = CUFFT_R2C;
if (is_complex_input)
dft_type = is_complex_output ? CUFFT_C2C : CUFFT_C2R;
cufftHandle plan;
if (is_1d_input || is_row_dft)
cufftSafeCall( cufftPlan1d(&plan, dft_size_opt.width, dft_type, dft_size_opt.height) );
else
cufftSafeCall( cufftPlan2d(&plan, dft_size_opt.height, dft_size_opt.width, dft_type) );
cufftSafeCall( cufftSetStream(plan, StreamAccessor::getStream(stream)) );
if (is_complex_input)
{
if (is_complex_output)
{
createContinuous(dft_size, CV_32FC2, _dst);
GpuMat dst = _dst.getGpuMat();
cufftSafeCall(cufftExecC2C(
plan, src_cont.ptr<cufftComplex>(), dst.ptr<cufftComplex>(),
is_inverse ? CUFFT_INVERSE : CUFFT_FORWARD));
}
else
{
createContinuous(dft_size, CV_32F, _dst);
GpuMat dst = _dst.getGpuMat();
cufftSafeCall(cufftExecC2R(
plan, src_cont.ptr<cufftComplex>(), dst.ptr<cufftReal>()));
}
}
else
{
// We could swap dft_size for efficiency. Here we must reflect it
if (dft_size == dft_size_opt)
createContinuous(Size(dft_size.width / 2 + 1, dft_size.height), CV_32FC2, _dst);
else
createContinuous(Size(dft_size.width, dft_size.height / 2 + 1), CV_32FC2, _dst);
GpuMat dst = _dst.getGpuMat();
cufftSafeCall(cufftExecR2C(
plan, src_cont.ptr<cufftReal>(), dst.ptr<cufftComplex>()));
}
cufftSafeCall( cufftDestroy(plan) );
if (is_scaled_dft)
cuda::multiply(_dst, Scalar::all(1. / dft_size.area()), _dst, 1, -1, stream);
#endif
}
void cv::gpu::resize(const GpuMat& src, GpuMat& dst, Size dsize, double fx, double fy, int interpolation, Stream& s)
{
CV_Assert(src.depth() <= CV_32F && src.channels() <= 4);
CV_Assert(interpolation == INTER_NEAREST || interpolation == INTER_LINEAR
|| interpolation == INTER_CUBIC || interpolation == INTER_AREA);
CV_Assert(!(dsize == Size()) || (fx > 0 && fy > 0));
if (dsize == Size())
dsize = Size(saturate_cast<int>(src.cols * fx), saturate_cast<int>(src.rows * fy));
else
{
fx = static_cast<double>(dsize.width) / src.cols;
fy = static_cast<double>(dsize.height) / src.rows;
}
if (dsize != dst.size())
dst.create(dsize, src.type());
if (dsize == src.size())
{
if (s)
s.enqueueCopy(src, dst);
else
src.copyTo(dst);
return;
}
cudaStream_t stream = StreamAccessor::getStream(s);
Size wholeSize;
Point ofs;
src.locateROI(wholeSize, ofs);
bool useNpp = (src.type() == CV_8UC1 || src.type() == CV_8UC4);
useNpp = useNpp && (interpolation == INTER_NEAREST || interpolation == INTER_LINEAR || (src.type() == CV_8UC4 && interpolation != INTER_AREA));
if (useNpp)
{
typedef NppStatus (*func_t)(const Npp8u * pSrc, NppiSize oSrcSize, int nSrcStep, NppiRect oSrcROI, Npp8u * pDst, int nDstStep, NppiSize dstROISize,
double xFactor, double yFactor, int eInterpolation);
const func_t funcs[4] = { nppiResize_8u_C1R, 0, 0, nppiResize_8u_C4R };
static const int npp_inter[] = {NPPI_INTER_NN, NPPI_INTER_LINEAR, NPPI_INTER_CUBIC, 0, NPPI_INTER_LANCZOS};
NppiSize srcsz;
srcsz.width = wholeSize.width;
srcsz.height = wholeSize.height;
NppiRect srcrect;
srcrect.x = ofs.x;
srcrect.y = ofs.y;
srcrect.width = src.cols;
srcrect.height = src.rows;
NppiSize dstsz;
dstsz.width = dst.cols;
dstsz.height = dst.rows;
NppStreamHandler h(stream);
nppSafeCall( funcs[src.channels() - 1](src.datastart, srcsz, static_cast<int>(src.step), srcrect,
dst.ptr<Npp8u>(), static_cast<int>(dst.step), dstsz, fx, fy, npp_inter[interpolation]) );
if (stream == 0)
cudaSafeCall( cudaDeviceSynchronize() );
}
else
{
using namespace ::cv::gpu::device::imgproc;
typedef void (*func_t)(DevMem2Db src, DevMem2Db srcWhole, int xoff, int yoff, float fx, float fy, DevMem2Db dst, int interpolation, cudaStream_t stream);
static const func_t funcs[6][4] =
{
{resize_gpu<uchar> , 0 /*resize_gpu<uchar2>*/ , resize_gpu<uchar3> , resize_gpu<uchar4> },
{0 /*resize_gpu<schar>*/, 0 /*resize_gpu<char2>*/ , 0 /*resize_gpu<char3>*/, 0 /*resize_gpu<char4>*/},
{resize_gpu<ushort> , 0 /*resize_gpu<ushort2>*/, resize_gpu<ushort3> , resize_gpu<ushort4> },
{resize_gpu<short> , 0 /*resize_gpu<short2>*/ , resize_gpu<short3> , resize_gpu<short4> },
{0 /*resize_gpu<int>*/ , 0 /*resize_gpu<int2>*/ , 0 /*resize_gpu<int3>*/ , 0 /*resize_gpu<int4>*/ },
{resize_gpu<float> , 0 /*resize_gpu<float2>*/ , resize_gpu<float3> , resize_gpu<float4> }
};
const func_t func = funcs[src.depth()][src.channels() - 1];
CV_Assert(func != 0);
func(src, DevMem2Db(wholeSize.height, wholeSize.width, src.datastart, src.step), ofs.x, ofs.y,
static_cast<float>(1.0 / fx), static_cast<float>(1.0 / fy), dst, interpolation, stream);
}
}
inline
void Stream::enqueueCopy(const GpuMat& src, OutputArray dst)
{
src.copyTo(dst, *this);
}
