Method copy

include/dali/core/dev_buffer.h:126–130

  }

  void copy(const DeviceBuffer &src, AccessOrder order = {}) {
    clear();
    resize(src.size());
    copyD2D(data_.get(), src.data(), size(), order);
  }

  void reserve(size_t new_cap, AccessOrder order = {}) {
    if (new_cap > capacity_) {