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# D3D12Common::CreateUAVBarrier
```cpp
inline D3D12_RESOURCE_BARRIER CreateUAVBarrier(ID3D12Resource* resource = nullptr)
```
创建无序访问视图UAV屏障用于同步 UAV 访问。
**参数:**
- `resource` - UAV 资源指针,默认为 `nullptr`(全局 UAV 屏障)
**返回:** 配置好的 `D3D12_RESOURCE_BARRIER` 结构
**线程安全:** ✅(纯函数)
**示例:**
```cpp
ID3D12Resource* uavResource = ...;
D3D12_RESOURCE_BARRIER barrier = CreateUAVBarrier(uavResource);
cmdList->ResourceBarrier(1, &barrier);
```
## 相关文档
- [D3D12Common 总览](common.md)
- [CreateTransitionBarrier](create-transition-barrier.md)