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苹果开发中文网站为什么产生离屏渲染

 5 years ago
source link: http://www.cocoachina.com/ios/20190211/26292.html
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CPU将计算好的需要显示的内容提交给GPU，GPU渲染完成后将渲染结果放入帧缓冲区，随后视频控制器会按照Vsync(垂直脉冲)信号逐行读取帧缓冲区的数据，经过可能的数模转换传递给显示器进行显示。

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