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Windows 10 Creators Update vs. Ubuntu 17.04 Linux Radeon Gaming Performance

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  • altiano
    replied
    How about only CPU performance? Not about gaming, more like a general performance.

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  • Melcar
    replied
    Well, this is good and all, but mesa still has a ways to go in order to offer "smooth" rendering in games. I mean, with Valley for example, I get a spread of 28-60fps and all throughout the benchmark I get horrible stuttering (even at the places it's above 50fps). Same happens with games like Tomb Raider. Under Windows rendering is smooth as butter, even when it dips to 30ish fps.

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  • danieru
    replied
    Originally posted by agd5f View Post

    That's actually an xserver bug rather than a driver bug and it's been fixed in a recent xserver.
    Awesome, I hope this fixes the r_gamma bug in openrena when using drivers that use mesa3d.
    Currently I do xgamma, but is far from optimal.

    I don't understand how this was a bug in xserver and not in mesa though, since i have the issue with intel and nvidia with nouveau, but not with nvidia with closed driver.

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  • leipero
    replied
    ....but generally it's the overhead of these Linux game ports that results in a noticeable and often significant hit to performance.
    Very true, tho drivers have quite a room for improvements.

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  • smitty3268
    replied
    Originally posted by gamerk2 View Post
    Be careful when looking at AMDs Windows OpenGL Driver stack; it's known to be VERY suboptimal in terms of performance. I'd imagine the fact AMDs OGL driver is not that high performance is at least partially to blame for the results.
    Looks like Michael is going to do an NVidia comparison as well, so we'll see. Personally, I expect it to look pretty similar to these results.

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  • gamerk2
    replied
    Be careful when looking at AMDs Windows OpenGL Driver stack; it's known to be VERY suboptimal in terms of performance. I'd imagine the fact AMDs OGL driver is not that high performance is at least partially to blame for the results.

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  • agd5f
    replied
    Originally posted by dungeon View Post
    He, he, but it isn't just about old apps... i spot some Unity engine games that use SDL too that have broken cursors, i guess app devs probably just select gamma color space instead of linear for these cursor and gotcha - hit same X bug... so generally this might fix some custom gammafied cursors in sdl apps too
    Well, SDL is actually the problem, not the apps per se. SDL uses legacy X APIs that cause the gamma problems with randr 1.2 capable drivers. As for the cursor, a lot of games ported from windows get that wrong. X defines ARGB cursors as using pre-mulitplied alpha. Windows uses non-pre-multiplied alpha for ARGB cursors. Some games are not properly updated when ported to Linux.

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  • Adarion
    replied
    Originally posted by profoundWHALE View Post
    You can tell exactly which games are using some sort of compatibility layer, and which ones are native. It's good to see Linux beating Windows when they are both running the game natively.
    I'd be interested in that, too. Games using wrappers or the like are not an entirely fair comparison.

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  • dungeon
    replied
    Originally posted by agd5f View Post
    Right. The ddx has to support gamma correction in the first place, but this issue is not specific to a particular ddx.
    True, just saying to people if they use modesetting there it is not a bug just a missing feature.

    He, he, but it isn't just about old apps... i spot some Unity engine games that use SDL too that have broken cursors, i guess app devs probably just select gamma color space instead of linear for these cursor and gotcha - hit same X bug... so generally this might fix some custom gammafied cursors in sdl apps too
    Last edited by dungeon; 04-27-2017, 10:53 AM.

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  • agd5f
    replied
    Originally posted by dungeon View Post

    Well i didn't checked really, but remembering Michel's comment in a bug how it matters... here:

    https://bugs.freedesktop.org/show_bug.cgi?id=27222#c26
    Right. The ddx has to support gamma correction in the first place, but this issue is not specific to a particular ddx.

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