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# D3D12CommandList::GetResourceState
```cpp
ResourceStates GetResourceState(ID3D12Resource* resource) const;
```
获取资源状态。
**参数:**
- `resource` - D3D12 资源指针
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**返回值:** 资源当前状态,如果资源未被跟踪则返回 `ResourceStates::Common`
**复杂度:** O(1)
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**示例:**
```cpp
ID3D12Resource* resource = /* 获取资源 */;
ResourceStates state = cmdList.GetResourceState(resource);
if (state == ResourceStates::RenderTarget) {
// 资源当前为渲染目标状态
}
```
## 相关文档
- [D3D12CommandList 总览](command-list.md) - 返回类总览
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- [TrackResource](track-resource.md) - 跟踪资源
- [TransitionBarrier](transition-barrier.md) - 资源状态转换