DEVICE_COPY_OBSOLETE 3400 modules/core/include/opencv2/core/mat.inl.hpp inline bool UMatData::deviceCopyObsolete() const { return (flags & DEVICE_COPY_OBSOLETE) != 0; } DEVICE_COPY_OBSOLETE 3424 modules/core/include/opencv2/core/mat.inl.hpp flags |= DEVICE_COPY_OBSOLETE; DEVICE_COPY_OBSOLETE 3426 modules/core/include/opencv2/core/mat.inl.hpp flags &= ~DEVICE_COPY_OBSOLETE;