34 lines
800 B
Markdown
34 lines
800 B
Markdown
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# D3D12CommandList::ClearRenderTargetView
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清除渲染目标视图（资源指针重载）。
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```cpp
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void ClearRenderTargetView(ID3D12Resource* renderTarget, const float color[4], uint32_t rectCount = 0, const D3D12_RECT* rects = nullptr);
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```
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## 参数
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- `renderTarget` - D3D12 资源指针
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- `color` - 清除颜色 RGBA
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- `rectCount` - 矩形数量（默认为0表示整个资源）
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- `rects` - 要清除的矩形数组（默认为nullptr表示整个资源）
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## 返回值
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无
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**线程安全：** ❌
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**复杂度：** O(n)
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## 示例
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```cpp
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float color[4] = { 0.0f, 0.0f, 0.0f, 1.0f };
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commandList.ClearRenderTargetView(renderTarget.GetResource(), color);
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```
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## 相关文档
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- [D3D12CommandList 总览](command-list.md)
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- [ClearRenderTarget](clear-render-target.md) - 清除渲染目标
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