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XCEngine/docs/api/rhi/command-list/set-scissor-rects.md

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# RHICommandList::SetScissorRects
```cpp
virtual void SetScissorRects(uint32_t count, const Rect* rects) = 0;
```
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批量设置多个裁剪矩形。与 `SetViewports` 类似,用于多重渲染场景,每个视口对应一个裁剪矩形。
**参数:**
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- `count` - 裁剪矩形数量(最大 16
- `rects` - 裁剪矩形数组指针
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**返回:** `void`
**异常:** 无
**线程安全:** ❌
**复杂度:** O(n)n 为矩形数量
**示例:**
```cpp
Rect rects[2];
rects[0] = {0, 0, 640, 480};
rects[1] = {640, 0, 640, 480};
cmdList->SetScissorRects(2, rects);
```
## 相关文档
- [RHICommandList 总览](command-list.md) - 返回类总览
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- [SetScissorRect](set-scissor-rect.md) - 设置单个裁剪矩形
- [SetViewports](set-viewports.md) - 设置多个视口