__host__ void gridFindMaxVal_(const SrcPtr& src, GpuMat_<ResType>& dst, Stream& stream = Stream::Null())
{
dst.create(1, 1);
dst.setTo(Scalar::all(-std::numeric_limits<ResType>::max()), stream);
const int rows = getRows(src);
const int cols = getCols(src);
grid_reduce_detail::maxVal<Policy>(shrinkPtr(src),
dst[0],
WithOutMask(),
rows, cols,
StreamAccessor::getStream(stream));
}
__host__ void gridFindMinVal_(const SrcPtr& src, GpuMat_<ResType>& dst, const MaskPtr& mask, Stream& stream = Stream::Null())
{
dst.create(1, 1);
dst.setTo(Scalar::all(std::numeric_limits<ResType>::max()), stream);
const int rows = getRows(src);
const int cols = getCols(src);
CV_Assert( getRows(mask) == rows && getCols(mask) == cols );
grid_reduce_detail::minVal<Policy>(shrinkPtr(src),
dst[0],
shrinkPtr(mask),
rows, cols,
StreamAccessor::getStream(stream));
}
__host__ void gridHistogram_(const SrcPtr& src, GpuMat_<ResType>& dst, Stream& stream = Stream::Null())
{
CV_Assert( deviceSupports(SHARED_ATOMICS) );
const int rows = getRows(src);
const int cols = getCols(src);
dst.create(1, BIN_COUNT);
dst.setTo(0, stream);
grid_histogram_detail::histogram<BIN_COUNT, Policy>(shrinkPtr(src),
dst[0],
WithOutMask(),
rows, cols,
StreamAccessor::getStream(stream));
}
__host__ void gridCalcSum_(const SrcPtr& src, GpuMat_<ResType>& dst, Stream& stream = Stream::Null())
{
typedef typename PtrTraits<SrcPtr>::value_type src_type;
CV_StaticAssert( unsigned(VecTraits<src_type>::cn) == unsigned(VecTraits<ResType>::cn), "" );
dst.create(1, 1);
dst.setTo(0, stream);
const int rows = getRows(src);
const int cols = getCols(src);
grid_reduce_detail::sum<Policy>(shrinkPtr(src),
dst[0],
WithOutMask(),
rows, cols,
StreamAccessor::getStream(stream));
}
__host__ void gridCountNonZero_(const SrcPtr& src, GpuMat_<ResType>& dst, Stream& stream = Stream::Null())
{
dst.create(1, 1);
dst.setTo(0, stream);
const int rows = getRows(src);
const int cols = getCols(src);
typedef typename PtrTraits<SrcPtr>::value_type src_type;
not_equal_to<src_type> ne_op;
const src_type zero = VecTraits<src_type>::all(0);
grid_reduce_detail::sum<Policy>(shrinkPtr(transformPtr(src, bind2nd(ne_op, zero))),
dst[0],
WithOutMask(),
rows, cols,
StreamAccessor::getStream(stream));
}
