# RHIFramebuffer::GetWidth

获取帧缓冲的宽度。

```cpp
virtual uint32_t GetWidth() const = 0;
```

**返回：** `uint32_t` - 帧缓冲宽度（像素）

**线程安全：** ✅

**示例：**

```cpp
uint32_t width = framebuffer->GetWidth();
```