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Thread: Unreal Engine 3 works on Linux via Stage3D

  1. #1
    Join Date
    Aug 2012
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    6

    Exclamation Unreal Engine 3 works on Linux via Stage3D

    Today I've read news about Adobe Flash 11.4 and get an idea to test how Pepper Flash plugin works on Linux.
    Last time I tested 11.2 release and it's was completely unusual, because hardware acceleration was disabled by Adobe.
    Here is topic about that on phoronix: No OpenGL for Flash Stage3D on Linux.

    But today I checked latest version of Google Chrome and find that situation is completely changed.
    From Stage3D now disabled in plugin, but only disabled in Google Chrome configuration by default.

    There is screenshot of Unreal Engine 3 flash demo:
    1920x1200 screenshot
    My configuration is: Ubuntu 12.04 32-bit, AMD HD6950 1GB, FGLRX driver, Google Chrome 21.0.1180.81 with flash player 11.3.31.230.

    Try this:
    1. Install latest Google Chrome
    2. Run it with "--ignore-gpu-blacklist" flag
    3. Open chrome://gpu-internals/ and check Stage3D status
    4. Serf to http://www.unrealengine.com/flash/ or any other demo


    PS: For me it's even works on notebook with mobile Intel i3 and HD3000.
    Performance is quite low, looks like 10-15FPS, but all textures is here and all effects working like on HD6950.

  2. #2
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    Sep 2010
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    58

    Default

    I don't see any textures.

  3. #3
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    Default

    Worked for me with radeon on HD 6550M, but really slow for such low details (just look at the fruits in the market stands).

    Have you checked whether it needs s3tc or floating point textures or something like that?

  4. #4
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    Aug 2012
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    Default

    Quote Originally Posted by ChrisXY View Post
    Worked for me with radeon on HD 6550M, but really slow for such low details (just look at the fruits in the market stands).
    Yep it's a bit slow, but before Stage3D doesn't work at all.

    You can check performance here:
    http://www.airtightinteractive.com/2...l-performance/
    With 5000 cubes for me its 15 fps for webgl and 7 for Stage3D.

    Quote Originally Posted by ChrisXY View Post
    Have you checked whether it needs s3tc or floating point textures or something like that?
    Just checked, S2TC (not s3tc ) is required.

  5. #5
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    Aug 2012
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    Default

    Quote Originally Posted by Desti View Post
    I don't see any textures.
    Which version of Google Chrome and flash plugin do you have? What's about hardware?
    You need to note that Chromium hasn't required version of flash plugin, it's use 11.2 version which doesn't support hardware acceleration on Linux.

  6. #6
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    Default

    Quote Originally Posted by ChrisXY View Post
    Worked for me with radeon on HD 6550M, but really slow for such low details (just look at the fruits in the market stands).

    Have you checked whether it needs s3tc or floating point textures or something like that?
    I only can say that is S3TC not required, S2TC used here.
    I made a bit bigger post, but it's contain link so forum pre-moderation eat it

  7. #7
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    Sydney, Australia
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    Default

    Works perfectly here with GMA 4500 almost smooth fps.

    you need latest Mesa, Chrome and s3tc

  8. #8
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    Vilnius, Lithuania
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    Default

    Hm, yeah, for me on Firefox it's still just foliage floating above an ocean. But at least it's good to know that much is supported by the r600g drivers.

  9. #9
    Join Date
    Dec 2009
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    280

    Default did you try

    Quote Originally Posted by Desti View Post
    I don't see any textures.
    --ignore-gpu-blacklist
    ???
    also what did that other command say about acceleration?

  10. #10
    Join Date
    Dec 2009
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    280

    Default conirmed

    It works but very slowly, pretty much slide show and I am on proprietary nvidia 295ish version.

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