HOST_COPY_OBSOLETE 3399 modules/core/include/opencv2/core/mat.inl.hpp inline bool UMatData::hostCopyObsolete() const { return (flags & HOST_COPY_OBSOLETE) != 0; } HOST_COPY_OBSOLETE 3417 modules/core/include/opencv2/core/mat.inl.hpp flags |= HOST_COPY_OBSOLETE; HOST_COPY_OBSOLETE 3419 modules/core/include/opencv2/core/mat.inl.hpp flags &= ~HOST_COPY_OBSOLETE;