27 lines
519 B
Markdown
27 lines
519 B
Markdown
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# OpenGLSwapChain::GetFramebufferHeight
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```cpp
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int GetFramebufferHeight() const;
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```
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获取帧缓冲区高度。
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**返回：** 帧缓冲区高度（像素）
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**线程安全：** ❌
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**注意：**
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- 帧缓冲区大小可能与窗口大小不同（HiDPI 显示）
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- 通过 `glfwGetFramebufferSize` 获取
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**示例：**
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```cpp
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int fbHeight = swapChain->GetFramebufferHeight();
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```
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## 相关文档
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- [OpenGLSwapChain 总览](swap-chain.md)
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- [GetFramebufferWidth](get-framebuffer-width.md) - 获取帧缓冲宽度
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