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  • #21
    Originally posted by bridgman View Post
    So is the idea that forcing indirect rendering was an "indirect" way of hiding GL 2-level functionality from kwin and forcing it to use the older code paths ?
    That's how I understood it, yes. But don't take this as a fact, as I'm wrong about 75% of the time

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    • #22
      Originally posted by ntt2010 View Post
      I think the ATI open source r300/r600 driver developers have focused on 3D games like openarena, but haven't paid attention to other non-3D opengl applications. Not just kwin suffers horrible performance. On my AMD 760G integrated chipset, XBMC also suffers greatly. The XBMC built-in software video renderer is much (twice) faster than its advanced shader (GLS ) or basic shader (ARB?) video renderers. It's pretty frustrating.
      If you are having problems with a certain app, please file bugs. We can't fix bugs we don't know about. Open source development is a two way street. A lot of application developers write their apps against 1 or 2 closed source drivers and never test the open drivers. GL is a huge API and it's hard to fully test all of it; just because something works one way on one driver, doesn't mean it will on all drivers. We'll do our best to fix any bugs that get reported.

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      • #23
        Originally posted by pedepy View Post
        have they pulled the plug on kwin ? i mean, are developers not actively working on it anymore?
        Yes. KWin has been deprecated and KDE will ship without a window manager in the future.

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        • #24
          Originally posted by agd5f View Post
          If you are having problems with a certain app, please file bugs. We can't fix bugs we don't know about. Open source development is a two way street. A lot of application developers write their apps against 1 or 2 closed source drivers and never test the open drivers. GL is a huge API and it's hard to fully test all of it; just because something works one way on one driver, doesn't mean it will on all drivers. We'll do our best to fix any bugs that get reported.
          Thanks. I'll try to do just that.

          BTW, I don't know if I compare apple and orange with respect to software vs GLSL video renderers in XBMC. My CPU speed is a 2.5GHz AMD Athlon 64 while my AMD 760G graphic card speed is set to only 200Mhz in the BIOS.

          If I use fglrx, XBMC GLSL video renderer plays movies at full speed (24fps) but if I use r600g, XBMC GLSL video renderer plays at 15-20fps. My TV is at 1080p.

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          • #25
            Originally posted by ntt2010 View Post
            If I use fglrx, XBMC GLSL video renderer plays movies at full speed (24fps) but if I use r600g, XBMC GLSL video renderer plays at 15-20fps. My TV is at 1080p.
            We are working to improve the performance of the open source driver, but at the moment we can't match fglrx.

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            • #26
              Originally posted by pingufunkybeat View Post
              In any case, KWin is not the fastest compositing 3d manager out there. People who really need top performance should continue to use Compiz with KDE, like they do with Gnome. It works just fine. For me, KWin works just fine (but I'm not experiencing the problems the OP is, the last KWin issue was about a month ago for me).
              Not the best of worlds, is it? And what sort of twisted language is that? It's not like there are Professional Composite Desktop users who really need top performance. Everybody deserves a smooth desktop experience in 2010. Then, Compiz integration in KDE is less than perfect, and Compiz itself is not half the window manager KWin is. For once, the KDE team could fix their damn stuff instead of complaining about whatever or bringing the next bling thing that'll break your desktop in unexpected colourful ways.

              KWin works perfect here too--only because I don't activate desktop effects.

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              • #27
                The KWin people happily accept performance patches

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                • #28
                  Originally posted by pingufunkybeat View Post
                  The KWin people happily accept performance patches
                  Ehhh...I'm not absolutely sure about that. Have you looked at the bug report mentioned in this thread? (https://bugs.freedesktop.org/show_bug.cgi?id=31499) Right, that's not a patch, but this Stellard guy gave some pointers towards solving the problem. Some sort of response from Kwin's people would be nice. But hey, everybody knows the drivers are broken and it's all somebody else fault : P

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                  • #29
                    Originally posted by agd5f View Post
                    Why do you say that? r300g is still seeing regular updates and improvements. It would also help if the kwin developers actually tested their code on non-nvidia hardware and filed bugs for problems rather than just blaming the drivers, but I digress...

                    you're not "disgressing", that's exactly the topic of the thread i started


                    brigdman: i am running r300g; says so in glxinfo.

                    RealNC: I knew it !!!1


                    since this thread as gotten all over the place, i suppose i may just ask this here without creating a new one: i'm trying to run a game that's asking for "s3tc" software compression. the mesa page says to use a 3rd party library, but the link to the source for the lib is dead. then i found out you could "enable" s3tc using driconf, but i think that's only for r300c. it doesnt look like it's working in r300g anyway; i have all options set to enable s3tc, and the game is still complaining that it can't find the extention.

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                    • #30
                      Originally posted by pedepy View Post
                      since this thread as gotten all over the place, i suppose i may just ask this here without creating a new one: i'm trying to run a game that's asking for "s3tc" software compression. the mesa page says to use a 3rd party library, but the link to the source for the lib is dead. then i found out you could "enable" s3tc using driconf, but i think that's only for r300c. it doesnt look like it's working in r300g anyway; i have all options set to enable s3tc, and the game is still complaining that it can't find the extention.
                      Welcome to the wonderful world of software patents. S3 is the company behind this mess.

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