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FGLRX Catalyst and Resizing with Desktop Effects

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  • #61
    Originally posted by yotambien View Post
    If this is really that important to you maybe you should reconsider why a) you bought an AMD card before doing some research; b) why are you running linux at all. Don't get me wrong
    Oh, but I *do* take you wrong. Just because I don't fit your world model doesn't mean I need to shut up. I have the right to complain because of the crappy way the product I bought works. Why I didn't buy something else? Because I damn didn't want to.

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    • #62
      Originally posted by dkasak View Post
      I consider gaming under Linux quite a corner-case ... in much the same way as I consider workstation 3D usages a corner-case.
      Except workstations are a $1B USD market. I wish desktop Linux was that kind of corner case. It would get a lot more attention.

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      • #63
        Originally posted by RealNC View Post
        I've found a tip that seems to make life with fglrx in KDE 4 a little bit less miserable:

        In System Settings -> Desktop Effects -> "Advanced" tab, select "Always" in the "Keep window thumbnails" list.

        After this, restoring minimized windows is fast. Doesn't fix the slow as hell resizing and maximizing, but restoring minimized windows is always fast even the windows are maximized while minimizing/restoring them.

        thanks a lot !

        that's the only problem so far (besides composite being way slower than Textured2D) preventing me from using compositing with kwin and kde 4.2

        and now it's fixed !

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        • #64
          Yes, now we can have composite but of course we can't watch videos or run 3D apps, but hey, who needs that stuff, right? It's a 400$ graphics cards, no one bought it for video or 3D

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          • #65
            Let's stay on subject here.

            How can we get acceptable resizing performance with KDE4+compositing/desktopeffects? Someone may have mentioned a setting for compiz that gave acceptable resizing performance with fglrx; is there an equivalent work around for kde4?

            And also, how far away is fglrx from being usable with resizing/compositing?
            Last edited by zx2c4; 02-12-2009, 05:58 PM.

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            • #66
              We already mentioned a workaround for KDE4 by disabling "Show contents during resize".

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              • #67
                I've tried that and it works to a degree but is still too slow (maximising...).

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                • #68
                  On my integrated 200M (laptop) radeon and fglrx fair about the same on KDE4 with effects on. You can notice slowdown when resizing and maximizing windows. Radeon is a bit faster, but nothing that will make you say "wow, this driver is faster". Other card types may be a different story however.

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                  • #69
                    Originally posted by RealNC View Post
                    Then someone inside AMD needs to hit someone else in the head with a stick. There's this thing called the "Linux Desktop" everyone tells "it's not ready yet" mainly because of the philosophy you just described.
                    A kick with a steel toed boot might be better for getting the message across!

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                    • #70
                      Originally posted by Melcar View Post
                      On my integrated 200M (laptop) radeon and fglrx fair about the same on KDE4 with effects on. You can notice slowdown when resizing and maximizing windows. Radeon is a bit faster, but nothing that will make you say "wow, this driver is faster". Other card types may be a different story however.
                      As mentioned in this thread, a workaround is to set Keep Window Thumbnails to Always from System Settings -> Desktop -> Desktop Effects.

                      Regarding the window resize issue, the Show FPS desktop effect shows that the frame rate in KDE 4.2 drops to 1 if a window is resized when using fgrlx.

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                      • #71
                        Originally posted by vertigo View Post
                        As mentioned in this thread, a workaround is to set Keep Window Thumbnails to Always from System Settings -> Desktop -> Desktop Effects.

                        Regarding the window resize issue, the Show FPS desktop effect shows that the frame rate in KDE 4.2 drops to 1 if a window is resized when using fgrlx.

                        What I'm getting at is that both driver sets are slow in my situation. Add the fact that several nvidia users report similar slowness in KDE4, it could be that composition itself is the problem and not the drivers (or a combination of both).

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                        • #72
                          Originally posted by vertigo View Post
                          Regarding the window resize issue, the Show FPS desktop effect shows that the frame rate in KDE 4.2 drops to 1 if a window is resized when using fgrlx.
                          This is the problem I'd like to solve...

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                          • #73
                            It's not solvable. Either KDE/Compiz has to hack kludges around the issue (if that's possible at all) or ATI has to support this in their drivers.

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                            • #74
                              Does anyone happen to know what the "this" is that we apparently have to support ? Are we just talking about EXA vs XAA here ?

                              I normally use the open drivers with EXA and I don't see any of these delays.

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                              • #75
                                Originally posted by bridgman View Post
                                Does anyone happen to know what the "this" is that we apparently have to support ? Are we just talking about EXA vs XAA here ?
                                We don't know. Doesn't someone in the Catalyst department actually try to run KDE 4 or Compiz with a modern GPU (4xxx)?

                                I normally use the open drivers with EXA and I don't see any of these delays.
                                I used the open drivers when I had an X1950XT with no problems. It's Catalyst that is hellish slow with compositing + modern GPUs (or maybe with ALL GPUs.) Both with OpenGL as well as with Xrender.

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