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Radeon HyperZ In Open-Source On Older Hardware

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  • #16
    Originally posted by marek View Post
    The motivation behind the blacklist is that Hyper-Z should be turned on for games and benchmarks while there is firefox and a compositor running in the background.

    I think Hyper-Z for firefox is useless if you don't use WebGL.
    First of all, let me tell you that I really appreciate your works. In my case performance boost was more than what is shown in this benchmarks.

    However, I think it would be more appropriate to have some options other than what you think should be the default options for the most of the users. We live in the GNU word. There is always some specific conditions that a user, like me, wants to have non-default settings.

    In my case, I have turned on the power management options, and because of that performance of Firefox's smooth scrolling is poor.

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    • #17
      keivan> Firefox won't benefit from Hyper-Z unless you are running some WebGL app. Hyper-Z only improves perfomance in the 3D apps which use a zbuffer and only if the bottleneck is bandwidth.

      oibaf> To turn off Hyper-Z, set: RADEON_DEBUG=nozmask,nohiz

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      • #18
        Thanks for the reply, I'll test tomorrow.

        Interestingly it looks this started with a problem detected by Coverity, so leaving bugged features merged but disabled has some usefulness.

        This pages should also be updated:

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        • #19
          Originally posted by oibaf View Post
          Unfortunately xorg wiki editing is disabled at the moment due to the amount of spam.

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          • #20
            Originally posted by marek View Post
            oibaf> To turn off Hyper-Z, set: RADEON_DEBUG=nozmask,nohiz
            I tested 0 A.D. and openarena but with my RV530 I wasn't able to notice any performance difference at all. openarena also didn't print the 'radeon: Acquired Hyper-Z.' message.

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