docs: update RHI API docs
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docs/api/rhi/d3d12/constant-buffer-view/initialize.md
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# D3D12ConstantBufferView::Initialize
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```cpp
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void Initialize(ID3D12Device* device, ID3D12Resource* buffer, const D3D12_CONSTANT_BUFFER_VIEW_DESC* desc = nullptr);
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```
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初始化常量缓冲区视图。
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当 `desc` 参数为 `nullptr` 时,方法会自动根据 `buffer` 的属性创建视图描述:设置 `BufferLocation` 为缓冲区的 GPU 虚拟地址,`SizeInBytes` 为缓冲区的宽度。
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## 参数
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| 参数 | 类型 | 描述 |
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|------|------|------|
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| `device` | `ID3D12Device*` | D3D12 设备指针 |
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| `buffer` | `ID3D12Resource*` | D3D12 资源指针,必须是常量缓冲区 |
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| `desc` | `const D3D12_CONSTANT_BUFFER_VIEW_DESC*` | 可选的视图描述,如果为 `nullptr` 则自动创建 |
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## 复杂度
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O(1)
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## 相关文档
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- [D3D12ConstantBufferView 总览](constant-buffer-view.md)
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- [Shutdown](shutdown.md)
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