docs: update RHI API docs
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@@ -6,18 +6,18 @@
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void InitializeAt(ID3D12Device* device, ID3D12Resource* resource, D3D12_CPU_DESCRIPTOR_HANDLE handle, const D3D12_RENDER_TARGET_VIEW_DESC* desc = nullptr)
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```
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## 中文描述
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## 描述
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在指定描述符句柄位置初始化渲染目标视图,用于外部描述符堆管理场景。
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在指定描述符句柄位置初始化渲染目标视图,用于外部描述符堆管理场景。此方法允许将 RTV 创建在预分配的描述符位置,便于批量管理描述符。
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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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| `resource` | `ID3D12Resource*` | 资源指针 |
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| `handle` | `D3D12_CPU_DESCRIPTOR_HANDLE` | 预分配的描述符句柄 |
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| `desc` | `D3D12_RENDER_TARGET_VIEW_DESC*` | 视图描述符(可选) |
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| `resource` | `ID3D12Resource*` | 渲染目标资源指针 |
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| `handle` | `D3D12_CPU_DESCRIPTOR_HANDLE` | 预分配的描述符句柄位置 |
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| `desc` | `D3D12_RENDER_TARGET_VIEW_DESC*` | 视图描述符(可选,传入 nullptr 使用资源默认格式) |
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## 返回值
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@@ -30,11 +30,13 @@ O(1)
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## 示例
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```cpp
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// 从描述符堆获取句柄
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D3D12_CPU_DESCRIPTOR_HANDLE handle = descriptorHeap->GetCPUDescriptorHandleForHeapStart();
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rtv->InitializeAt(device, resource, handle);
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rtv.InitializeAt(device, resource, handle);
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```
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## 相关文档
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- [D3D12RenderTargetView](render-target-view.md) - 类总览
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- [D3D12RenderTargetView::Initialize](../../../threading/task-system/initialize.md) - 标准初始化
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- [D3D12RenderTargetView::Initialize](initialize.md) - 标准初始化
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- [D3D12DescriptorHeap](../descriptor-heap/descriptor-heap.md) - 描述符堆管理
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