docs: update RHI API docs
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# D3D12DepthStencilView::Initialize
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```cpp
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void Initialize(ID3D12Device* device, ID3D12Resource* resource, const D3D12_DEPTH_STENCIL_VIEW_DESC* desc = nullptr);
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```
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初始化深度模板视图,使用设备自动分配描述符句柄。
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**参数:**
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- `device` - D3D12 设备指针
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- `resource` - D3D12 资源指针(深度缓冲纹理)
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- `desc` - 深度模板视图描述符,可选,默认为 nullptr
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**返回:** 无
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**复杂度:** O(1)
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## 说明
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此方法使用 `ID3D12Device::CreateDepthStencilView` 创建深度模板视图,描述符句柄由设备自动分配。适用于创建独立的深度模板视图。
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## 示例
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```cpp
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D3D12DepthStencilView dsv;
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dsv.Initialize(device, depthBuffer, nullptr);
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// 获取描述符句柄用于渲染
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D3D12_CPU_DESCRIPTOR_HANDLE handle = dsv.GetCPUDescriptorHandle();
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```
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## 相关文档
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- [D3D12DepthStencilView 总览](depth-stencil-view.md) - 类总览
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- [InitializeAt](initialize-at.md) - 在指定位置初始化
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- [D3D12Device](../../device/device.md) - D3D12 设备
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