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A Screensaver Interface Comes To Wayland

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  • A Screensaver Interface Comes To Wayland

    Phoronix: A Screensaver Interface Comes To Wayland

    For those wishing to follow the development of Wayland Display Server, there's some new progress to report on. This time it's about supporting screensavers under Wayland...

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

  • #2
    Screensavers belong to the 90s and should be removed everywhere.

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    • #3
      Screensavers: Back in the day(1950-1994?) the CRT monitors projectors could get "burnt inn", so the image it projected would be permanetly projected to various degrees. But by updating the monitors with different images(think per pixel or per projector), you avoided the problem.
      The problem with screensavers is that even the CRT TVs/monitors you can get your hands on are mostly immune to the burnin.

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      • #4
        is this thing just a screenserver or something with more advanced functionality (screen locking etc)??

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        • #5
          Originally posted by del_diablo View Post
          Screensavers: Back in the day(1950-1994?) the CRT monitors projectors could get "burnt inn", so the image it projected would be permanetly projected to various degrees. But by updating the monitors with different images(think per pixel or per projector), you avoided the problem.
          The problem with screensavers is that even the CRT TVs/monitors you can get your hands on are mostly immune to the burnin.
          Well, plasma displays are still susceptible to image retention. But then again they are just a niche product. Most TVs sold today are using LCD technology.

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          • #6
            Indeed, screensavers these days are nothing more than an annoying gimmick. I'd rather have the screen turned off completely.

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            • #7
              Originally posted by AnonymousCoward View Post
              Well, plasma displays are still susceptible to image retention. But then again they are just a niche product. Most TVs sold today are using LCD technology.
              LCDs can still burn in. When I was at University I recall all the screens in the Computer Commons had the login image permanently ghosted over the black desktop. I'm not sure if this affects all kinds of LCD, but certainly whatever they were using.

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              • #8
                Originally posted by 89c51 View Post
                is this thing just a screenserver or something with more advanced functionality (screen locking etc)??
                Yes, this is just a screensaver, or better put: an idle animation. Pure show-off eye-candy, until a second timeout will switch off the monitors (not yet implemented).

                Screen locking has already been implemented, and it should work just fine. You can try it in the wayland demos. The *real* screensaver has been in the demo compositor even longer, it fades to black after an idle timeout.

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                • #9
                  Originally posted by 89c51 View Post
                  is this thing just a screenserver or something with more advanced functionality (screen locking etc)??
                  Yes, this is just a screensaver, or better put: an idle animation. Pure show-off eye-candy, until a second timeout will switch off the monitors (not yet implemented). I'm using the term "screensaver" because everyone likely associates it with a full-screen animation that runs when the machine is idle.

                  Screen locking has already been implemented, and it should work just fine. You can try it in the wayland demos. The *real* screensaver has been in the demo compositor even longer, it fades to black after an idle timeout.

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                  • #10
                    Yep I've seen LCD burn in ... and it was indeed a login screen at my University.

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                    • #11
                      Bwaahahahahah, are you serious? It's so much more modern and better than that icky X11! Let's add functionality that's pointless and wasteful instead of making it useful!

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                      • #12
                        If you have an idea for an improvement to Wayland, please speak up. If all you have to say is X11 is good enough or "X11 could be made just as good as Wayland" (or better), we've heard it already and saying it again won't make any difference.

                        You don't need to use the screensaver interface, Wayland compositor implementations can ignore screensaver requests if they (the compositor) or you want them to. On the other hand, if you have any good ideas, if you know how to write a compositor, or you are good at creating specifications; there are plenty of people who could use your help, who aren't being helped by your content-less posts in these forums--either the people who are working on X11 or those working on Wayland.
                        [/rant]

                        There was also a recent set of patches to add a screen-locking protocol. Probably related to this interface.
                        Last edited by Nobu; 11-22-2011, 02:26 PM.

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                        • #13
                          Originally posted by Nobu View Post
                          If you have an idea for an improvement to Wayland, please speak up.
                          Actually fixing basic rendering on radeon (HD 6550 here)?
                          Since it is not even able to render the wayland-terminal neither native or as X client I see not much sense in "testing" it much.

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                          • #14
                            Originally posted by ChrisXY View Post
                            Actually fixing basic rendering on radeon (HD 6550 here)?
                            Since it is not even able to render the wayland-terminal neither native or as X client I see not much sense in "testing" it much.
                            have you asked the people in the mailing list and/or IRC about your problem????

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                            • #15
                              Originally posted by 89c51 View Post
                              have you asked the people in the mailing list and/or IRC about your problem????
                              Nope. I might will. But it's not just any problem. It's so bad that it completely trashes the output and hangs the whole graphics card.
                              First I need to take some time to get some useful debug output from EGL and the radeon driver.

                              Hey, at least the wayland terminal doesn't segfault anymore when wayland is running as a X client. Its output is just broken. Progress.

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