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Intel GLAMOR Gains X-Video Support

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  • #16
    Originally posted by mrugiero View Post
    I haven't said it's dramatically less optimal, just less optimal. It's very likely that it will be reasonably fast when it's matured, but my point is that I don't see the point on using GLAMOR in the Intel DDX having SNA available.
    Xorg as a wayland client needs GLAMOR to work. That's the point.

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    • #17
      Originally posted by zxy_thf View Post
      Xorg as a wayland client needs GLAMOR to work. That's the point.
      Can't it use SNA? The only reason I can think of to not be able to use SNA is to not be able to use real DDX drivers, and in that case it is not really important to have GLAMOR support in the Intel DDX. Could you explain further, please?

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      • #18
        Originally posted by mrugiero View Post
        Can't it use SNA? The only reason I can think of to not be able to use SNA is to not be able to use real DDX drivers, and in that case it is not really important to have GLAMOR support in the Intel DDX. Could you explain further, please?
        Hmm you're right. I believe it's possible to use SNA as a wayland client technically.
        I'm guessing Intel favors GLAMOR over SNA because this architecture (Wayland-Xorg-GLAMOR-OpenGL) has less duplicated code (compared with Wayland-Xorg-DDX-OpenGL).

        As a circumstantial evidence AMD also uses GLAMOR instead of ddx from scratch on radeonsi.

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