GPU 图形数据缓冲区，用于处理顶点和索引缓冲区等数据。
大多数绘制调用向 GPU 提供顶点和索引缓冲区。此结构向脚本公开这些缓冲区，从而允许进行低级渲染控制。
另请参阅：Graphics.DrawProcedural。
| GraphicsBuffer | 创建图形缓冲区。 |
| GetNativeBufferPtr | 获取指向该缓冲区的原生（底层图形 API）指针。 |
| IsValid | 如果图形缓冲区有效，则返回 true，否则返回 false。 |
| Release | 释放图形缓冲区。 |
| SetData | 使用数组中的值设置该缓冲区。 |
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