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Tear-Free, Hardware-Accelerated Video On Wayland

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  • Tear-Free, Hardware-Accelerated Video On Wayland

    Phoronix: Tear-Free, Hardware-Accelerated Video On Wayland

    Kristian Høgsberg has demonstrated that tear-free video playback on Wayland is a reality and that running Wayland on Intel hardware does allow for hardware-accelerated video playback thanks to VA-API support...

    http://www.phoronix.com/vr.php?view=MTE3MTU

  • #2
    Is this something exclusive to Wayland, or have this been something X could do for a long time?

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    • #3
      Originally posted by uid313 View Post
      Is this something exclusive to Wayland, or have this been something X could do for a long time?
      Real tear-free is not possible with X, as far as I know. That will change with Wayland.

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      • #4
        Man, now I'm excited for Wayland. Video tearing drives me crazy.

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        • #5
          *someone watches embeded video on a computer without vsync*

          "herp this isn't tear-free!"

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          • #6
            That looked awesome.

            I have a pretty keen eye for tearing and visual inconsistencies, so it does annoy me when it happens.

            That looked smooth and consistent as heck.

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            • #7
              Originally posted by uid313 View Post
              Is this something exclusive to Wayland, or have this been something X could do for a long time?
              Already possible on X.

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              • #8
                Originally posted by ChemicalBrother View Post
                Real tear-free is not possible with X, as far as I know. That will change with Wayland.
                As long as you use some sort of gl output it seems like it should be synced like any other directly rendered surfaces.
                Also, I thought nvida introduced fencing to X some time ago?

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                • #9
                  Originally posted by liam View Post
                  As long as you use some sort of gl output it seems like it should be synced like any other directly rendered surfaces.
                  The problem is, there are no standalone small gl compositors (standalone = just compositor, not a combined compositor/window manager). I wouldn't want to give up on the feature-set and functionality of openbox. There's dcompmgr, but it hasn't seen development in years, and last time I tried it, its opengl mode caused a lot more CPU usage when doing simple things like moving windows around the screen.

                  Now I don't have tearing issues with my current hardware, but no idea how it would be if I had Sandy Bridge or above.

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                  • #10
                    Here's another video posted 2 weeks ago by Kristian Hogsberg.

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