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OpenGL帧缓冲
2022-07-07 06:18:00 【翛然丶丶】
深夜博客记录一下。
帧缓冲:
用于写入颜色值的颜色缓冲、用于写入深度信息的深度缓冲和允许我们根据一些条件丢弃特定片段的模板缓冲等组合起来叫帧缓冲。
OpenGL允许我们定义我们自己的帧缓冲,也就是说我们能够定义我们自己的颜色缓冲,甚至是深度缓冲和模板缓冲。
帧缓冲的四个条件:
- 附加至少一个缓冲(颜色、深度或模板缓冲)。
- 至少有一个颜色附件(Attachment)。
- 所有的附件都必须是完整的(保留了内存)。
- 每个缓冲都应该有相同的样本数。
附件是一个内存位置,它能够作为帧缓冲的一个缓冲。
当创建一个附件的时候我们有两个选项:纹理或渲染缓冲对象(Renderbuffer Object)。
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