45 lines
1021 B
Markdown
45 lines
1021 B
Markdown
# D3D12ShaderResourceView::CreateDesc
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## 函数签名
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```cpp
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static D3D12_SHADER_RESOURCE_VIEW_DESC CreateDesc(Format format, D3D12_SRV_DIMENSION dimension = D3D12_SRV_DIMENSION_TEXTURE2D, uint32_t mipLevels = 1)
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```
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## 中文描述
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创建着色器资源视图描述符。
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## 参数
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| 参数 | 类型 | 描述 |
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|------|------|------|
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| `format` | `Format` | 资源格式 |
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| `dimension` | `D3D12_SRV_DIMENSION` | 视图维度（默认 TEXTURE2D） |
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| `mipLevels` | `uint32_t` | Mipmap 级别数量（默认 1） |
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## 返回值
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`D3D12_SHADER_RESOURCE_VIEW_DESC` - 着色器资源视图描述符
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## 复杂度
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O(1)
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## 示例
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```cpp
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D3D12_SHADER_RESOURCE_VIEW_DESC desc = D3D12ShaderResourceView::CreateDesc(Format::R8G8B8A8_UNorm);
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```
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## 示例
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```cpp
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// 创建 2D 纹理 SRV 描述符
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D3D12_SHADER_RESOURCE_VIEW_DESC desc = D3D12ShaderResourceView::CreateDesc(Format::R8G8B8A8_UNorm, D3D12_SRV_DIMENSION_TEXTURE2D, 4);
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```
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## 相关文档
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- [D3D12ShaderResourceView](shader-resource-view.md) - 类总览
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