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# RHICommandList::SetPrimitiveTopology
```cpp
virtual void SetPrimitiveTopology(PrimitiveTopology topology) = 0;
```
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设置图元拓扑类型。拓扑类型决定了顶点如何被解释为几何图元,如点列表、线段列表、三角形列表等。
**参数:**
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- `topology` - 图元拓扑类型枚举值PointList、LineList、TriangleList 等)
**返回:** `void`
**异常:** 无
**线程安全:** ❌
**复杂度:** O(1)
**示例:**
```cpp
cmdList->SetPrimitiveTopology(PrimitiveTopology::TriangleList);
```
## 相关文档
- [RHICommandList 总览](command-list.md) - 返回类总览
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- [Draw](draw.md) - 绘制
- [DrawIndexed](draw-indexed.md) - 索引绘制