47 lines
1.1 KiB
Markdown
47 lines
1.1 KiB
Markdown
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# D3D12Screenshot::Capture
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## 函数签名
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```cpp
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static bool Capture(ID3D12Device* device,
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ID3D12CommandQueue* commandQueue,
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ID3D12Resource* renderTarget,
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const char* filename,
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uint32_t width,
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uint32_t height)
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```
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## 中文描述
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从渲染目标捕获截图并保存为文件。
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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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| `commandQueue` | `ID3D12CommandQueue*` | 命令队列指针 |
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| `renderTarget` | `ID3D12Resource*` | 渲染目标资源 |
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| `filename` | `const char*` | 保存文件名 |
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| `width` | `uint32_t` | 宽度 |
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| `height` | `uint32_t` | 高度 |
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## 返回值
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`bool` - 捕获是否成功
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## 复杂度
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O(n) - 取决于纹理大小
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## 示例
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```cpp
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D3D12Screenshot::Capture(device, commandQueue, renderTarget, "screenshot.png", width, height);
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```
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## 相关文档
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- [D3D12Screenshot](screenshot.md) - 类总览
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- [D3D12Screenshot::CopyToReadbackAndSave](copy-to-readback-and-save.md) - 复制到回读缓冲并保存
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