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图形显示官方介绍

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  • 大法师
    大法师 last edited by 大法师 Oct 24, 2022, 8:45 AM Oct 24, 2022, 8:24 AM

    913e1036-b74a-42c1-8e71-6a49f21f2cc1-image.png

    https://opensource.rock-chips.com/wiki_Graphics

    如下链接文章写的比较好,值得研究。
    https://blog.csdn.net/xgbing/article/details/79969640

    摘一部分:

    简单的理解
    drm里有crtc,plane,connector这三个东西,可以理解
    
    connector就是屏幕,比如一个hdmi一个connector num, 一个dsi一个connector num
    crtc表示vop, 一个屏幕一般对应一个crtc
    plane就是图层,比如视频层在plane2,UI在plane1, 视频在UI上面
    

    jack@cool-pi.com

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