XCEngine/docs/api/rhi/device/device.md

# RHIDevice

**命名空间**: `XCEngine::RHI`

**类型**: `class` (abstract)

**头文件**: `XCEngine/RHI/RHIDevice.h`

**描述**: RHI 渲染设备抽象接口，代表一个图形设备实例。

## 概述

`RHIDevice` 是 RHI 模块的核心接口之一，负责创建和管理所有 GPU 资源。每个 RHI 后端（D3D12、OpenGL 等）都需要实现此接口。

## 公共方法

| 方法 | 描述 |
|------|------|
| [`RHIDevice`](constructor.md) | 默认构造函数 |
| [`~RHIDevice`](destructor.md) | 虚析构函数 |
| [`Initialize`](initialize.md) | 初始化设备 |
| [`Shutdown`](shutdown.md) | 关闭设备 |
| [`CreateBuffer`](create-buffer.md) | 创建缓冲区 |
| [`CreateTexture`](create-texture.md) | 创建纹理 |
| [`CreateSwapChain`](create-swap-chain.md) | 创建交换链 |
| [`CreateCommandList`](create-command-list.md) | 创建命令列表 |
| [`CreateCommandQueue`](create-command-queue.md) | 创建命令队列 |
| [`CreateShader`](create-shader.md) | 创建着色器 |
| [`CreatePipelineState`](create-pipeline-state.md) | 创建管线状态 |
| [`CreateFence`](create-fence.md) | 创建栅栏 |
| [`CreateSampler`](create-sampler.md) | 创建采样器 |
| [`GetCapabilities`](get-capabilities.md) | 获取设备能力 |
| [`GetDeviceInfo`](get-device-info.md) | 获取设备信息 |
| [`GetNativeDevice`](get-native-device.md) | 获取原生设备 |

## 使用示例

```cpp
// 创建 D3D12 设备
RHI::RHIDevice* device = RHI::RHIFactory::CreateRHIDevice(RHI::RHIType::D3D12);

// 配置设备描述
RHI::RHIDeviceDesc desc;
desc.windowHandle = hwnd;
desc.width = 1280;
desc.height = 720;
desc.appName = L"MyApp";
desc.enableDebugLayer = true;

// 初始化设备
if (device->Initialize(desc)) {
    const RHI::RHICapabilities& caps = device->GetCapabilities();
    if (caps.bSupportsRayTracing) {
        // 设备支持光线追踪
    }
    
    const RHI::RHIDeviceInfo& info = device->GetDeviceInfo();
    printf("GPU: %ls\n", info.renderer.c_str());
    
    // 创建资源
    RHI::BufferDesc bufferDesc;
    bufferDesc.size = 1024;
    bufferDesc.bufferType = (uint32_t)RHI::BufferType::Vertex;
    RHI::RHIBuffer* buffer = device->CreateBuffer(bufferDesc);
    
    device->Shutdown();
}

delete device;
```

## 相关文档

- [../../rhi.md](../rhi.md) - RHI 模块总览
- [RHIFactory](../factory/factory.md) - 设备工厂
- [RHICapabilities](../capabilities/capabilities.md) - 设备能力
- [RHITypes](../types/types.md) - 设备描述结构体