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);
}
