Method clone

compute/compute_buffer.cpp:228–254

}

shared_ptr<compute_buffer> compute_buffer::clone(const compute_queue& cqueue, const bool copy_contents,
												 const COMPUTE_MEMORY_FLAG flags_override) {
	if (dev.context == nullptr) {
		log_error("invalid buffer/device state");
		return {};
	}
	
	auto clone_flags = (flags_override != COMPUTE_MEMORY_FLAG::NONE ? flags_override : flags);
	shared_ptr<compute_buffer> ret;
	if (host_data.data() != nullptr) {
		// never copy host data on the newly created buffer
		clone_flags |= COMPUTE_MEMORY_FLAG::NO_INITIAL_COPY;
		assert(size == host_data.size_bytes());
		ret = dev.context->create_buffer(cqueue, host_data, clone_flags, opengl_type);
	} else {
		ret = dev.context->create_buffer(cqueue, size, clone_flags, opengl_type);
	}
	if (ret == nullptr) {
		return {};
	}
	
	if (copy_contents) {
		ret->copy(cqueue, *this);
	}
	
	return ret;
}

const metal_buffer* compute_buffer::get_underlying_metal_buffer_safe() const {
	if (has_flag<COMPUTE_MEMORY_FLAG::METAL_SHARING>(flags)) {