# RHIBuffer::Unmap

```cpp
virtual void Unmap() = 0;
```

取消内存映射。

**复杂度：** O(1)

**示例：**

```cpp
buffer->Map();
memcpy(mappedData, sourceData, size);
buffer->Unmap();
```

## 相关文档

- [RHIBuffer 总览](buffer.md) - 返回类总览