51 lines
1.6 KiB
Markdown
51 lines
1.6 KiB
Markdown
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# RHICommandQueue
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**命名空间**: `XCEngine::RHI`
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**类型**: `class` (abstract)
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**描述**: GPU 命令队列抽象接口，负责提交和执行命令列表，以及 GPU/CPU 同步。
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## 公共方法
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| 方法 | 描述 |
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|------|------|
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| [`Shutdown`](shutdown.md) | 关闭并释放资源 |
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| [`ExecuteCommandLists`](execute-command-lists.md) | 执行命令列表 |
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| [`Signal`](signal.md) | 信号栅栏 |
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| [`Wait`](../../threading/task-group/wait.md) | 等待栅栏 |
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| [`GetCompletedValue`](get-completed-value.md) | 获取完成值 |
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| [`WaitForIdle`](wait-for-idle.md) | 等待空闲 |
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| [`GetType`](get-type.md) | 获取队列类型 |
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| [`GetTimestampFrequency`](get-timestamp-frequency.md) | 获取时间戳频率 |
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| [`GetNativeHandle`](get-native-handle.md) | 获取原生句柄 |
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## 命令队列类型 (CommandQueueType)
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| 枚举值 | 描述 |
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|--------|------|
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| `Direct` | 直接队列，用于图形和计算命令 |
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| `Compute` | 计算队列，专门用于计算着色器 |
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| `Copy` | 复制队列，专门用于资源复制 |
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## 使用示例
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```cpp
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CommandQueueDesc queueDesc;
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queueDesc.queueType = (uint32_t)CommandQueueType::Direct;
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RHICommandQueue* commandQueue = device->CreateCommandQueue(queueDesc);
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FenceDesc fenceDesc;
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RHIFence* fence = device->CreateFence(fenceDesc);
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commandQueue->ExecuteCommandLists(1, (void**)&commandList);
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commandQueue->Signal(fence, 1);
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fence->Wait(1);
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```
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## 相关文档
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- [../rhi/rhi.md](../rhi.md) - RHI 模块总览
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- [RHICommandList](../command-list/command-list.md) - 命令列表
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- [RHIFence](../fence/fence.md) - 同步栅栏
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