30 lines
601 B
Markdown
30 lines
601 B
Markdown
# D3D12Common::CreateScissorRect
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```cpp
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inline D3D12_RECT CreateScissorRect(int left, int top, int right, int bottom)
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```
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创建裁剪矩形（剪刀矩形）。
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**参数：**
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- `left` - 矩形左边界
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- `top` - 矩形上边界
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- `right` - 矩形右边界
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- `bottom` - 矩形下边界
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**返回：** 配置好的 `D3D12_RECT` 结构
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**线程安全：** ✅（纯函数）
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**示例：**
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```cpp
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D3D12_RECT scissorRect = CreateScissorRect(0, 0, 1280, 720);
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cmdList->RSSetScissorRects(1, &scissorRect);
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```
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## 相关文档
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- [D3D12Common 总览](common.md)
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- [CreateViewport](create-viewport.md)
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