32 lines
807 B
Markdown
32 lines
807 B
Markdown
# OpenGLPipelineState::Clear
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```cpp
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void Clear(unsigned int buffers);
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```
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清除指定的缓冲区。
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**参数：**
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- `buffers` - 要清除的缓冲区标志位
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- `1` - 颜色缓冲区 (`GL_COLOR_BUFFER_BIT`)
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- `2` - 深度缓冲区 (`GL_DEPTH_BUFFER_BIT`)
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- `4` - 模板缓冲区 (`GL_STENCIL_BUFFER_BIT`)
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**线程安全：** ❌
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**注意：** 调用此方法前应先通过 `SetClearColor` 设置清除颜色。
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**示例：**
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```cpp
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pipelineState->SetClearColor(0.0f, 0.0f, 0.0f, 1.0f);
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pipelineState->Clear(0x1); // 清除颜色缓冲
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pipelineState->Clear(0x3); // 清除颜色和深度缓冲
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pipelineState->Clear(0x7); // 清除所有缓冲
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```
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## 相关文档
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- [OpenGLPipelineState 总览](pipeline-state.md) - 返回类总览
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- [SetClearColor](set-clear-color.md) - 设置清除颜色
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