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#include "precomp.hpp"
using namespace cv;
using namespace cv::cuda;
#if !defined (HAVE_CUDA) || defined (CUDA_DISABLER)
void cv::cuda::meanShiftFiltering(InputArray, OutputArray, int, int, TermCriteria, Stream&) { throw_no_cuda(); }
void cv::cuda::meanShiftProc(InputArray, OutputArray, OutputArray, int, int, TermCriteria, Stream&) { throw_no_cuda(); }
#else /* !defined (HAVE_CUDA) */
////////////////////////////////////////////////////////////////////////
// meanShiftFiltering
namespace cv { namespace cuda { namespace device
{
namespace imgproc
{
void meanShiftFiltering_gpu(const PtrStepSzb& src, PtrStepSzb dst, int sp, int sr, int maxIter, float eps, cudaStream_t stream);
}
}}}
void cv::cuda::meanShiftFiltering(InputArray _src, OutputArray _dst, int sp, int sr, TermCriteria criteria, Stream& stream)
{
using namespace ::cv::cuda::device::imgproc;
GpuMat src = _src.getGpuMat();
CV_Assert( src.type() == CV_8UC4 );
_dst.create(src.size(), CV_8UC4);
GpuMat dst = _dst.getGpuMat();
if (!(criteria.type & TermCriteria::MAX_ITER))
criteria.maxCount = 5;
int maxIter = std::min(std::max(criteria.maxCount, 1), 100);
if (!(criteria.type & TermCriteria::EPS))
criteria.epsilon = 1.f;
float eps = (float) std::max(criteria.epsilon, 0.0);
meanShiftFiltering_gpu(src, dst, sp, sr, maxIter, eps, StreamAccessor::getStream(stream));
}
////////////////////////////////////////////////////////////////////////
// meanShiftProc_CUDA
namespace cv { namespace cuda { namespace device
{
namespace imgproc
{
void meanShiftProc_gpu(const PtrStepSzb& src, PtrStepSzb dstr, PtrStepSzb dstsp, int sp, int sr, int maxIter, float eps, cudaStream_t stream);
}
}}}
void cv::cuda::meanShiftProc(InputArray _src, OutputArray _dstr, OutputArray _dstsp, int sp, int sr, TermCriteria criteria, Stream& stream)
{
using namespace ::cv::cuda::device::imgproc;
GpuMat src = _src.getGpuMat();
CV_Assert( src.type() == CV_8UC4 );
_dstr.create(src.size(), CV_8UC4);
_dstsp.create(src.size(), CV_16SC2);
GpuMat dstr = _dstr.getGpuMat();
GpuMat dstsp = _dstsp.getGpuMat();
if (!(criteria.type & TermCriteria::MAX_ITER))
criteria.maxCount = 5;
int maxIter = std::min(std::max(criteria.maxCount, 1), 100);
if (!(criteria.type & TermCriteria::EPS))
criteria.epsilon = 1.f;
float eps = (float) std::max(criteria.epsilon, 0.0);
meanShiftProc_gpu(src, dstr, dstsp, sp, sr, maxIter, eps, StreamAccessor::getStream(stream));
}
#endif /* !defined (HAVE_CUDA) */