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Page-Flipping Is Flipped On In The ATI DDX Driver

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  • #21
    So does anyone here have any guess as to whether this will end up in Fedora 15 or Ubuntu 11.04? Since I have r600 class hardware I would like that.

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    • #22
      Does anyone know how to get a list of ALL turnable Xorg options?

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      • #23
        Originally posted by crazycheese View Post
        Does anyone know how to get a list of ALL turnable Xorg options?
        the radeon man page lists all the radeon specific ones:
        http://cgit.freedesktop.org/xorg/dri...man/radeon.man

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        • #24
          Originally posted by agd5f View Post
          the radeon man page lists all the radeon specific ones:
          http://cgit.freedesktop.org/xorg/dri...man/radeon.man
          Thank you!

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          • #25
            Anybody know if the newest stack will yield high enough performance for a reasonable experience playing back 1080p in something like xbmc with a hardware decoder like crystalhd? Even with a hardware decoder, because xbmc uses GL rendering, that has been a bottleneck driving CPU usage way up and FPS way down except if you use the blob driver.

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            • #26
              OK, this is odd.

              I have upgraded to vanilla 2.6.38, and to the xf86-video-ati from git, and the performance is exactly the same as with the old driver and 2.6.37.

              I have enabled "EnablePageFlip" (which is unnecessary since it defaults to on) and disabled "SwapBuffersWait".

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              • #27
                Originally posted by pingufunkybeat View Post
                OK, this is odd.

                I have upgraded to vanilla 2.6.38, and to the xf86-video-ati from git, and the performance is exactly the same as with the old driver and 2.6.37.

                I have enabled "EnablePageFlip" (which is unnecessary since it defaults to on) and disabled "SwapBuffersWait".
                Pageflipping won't go any faster than the refresh rate.

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                • #28
                  That's good to know. So I should try more demanding stuff?

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                  • #29
                    Openarena anholt demo, with vsync and all bells and whistles at 1920x1080:

                    Without pageflipping: 41.8
                    With pageflipping: 45.3

                    How did other people get double the framerate?

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                    • #30
                      While this thread is bumped, I was wondering if anyone using swapbufferswait (off) is showing tearing or other decrease in visual quality. Thanks.

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