# RHIDevice::CreateFence

```cpp
virtual RHIFence* CreateFence(const FenceDesc& desc) = 0;
```

创建同步栅栏，用于 CPU/GPU 同步。

**参数：**
- `desc` - 栅栏描述符，包含初始值和标志

**返回：** 新创建的栅栏指针，失败返回 `nullptr`

**复杂度：** O(1)

**示例：**

```cpp
FenceDesc fenceDesc;
fenceDesc.initialValue = 0;
fenceDesc.flags = 0;

RHIFence* fence = device->CreateFence(fenceDesc);
```

## 相关文档

- [RHIDevice 总览](device.md) - 返回类总览
- [RHIFence](../fence/fence.md) - 栅栏类