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Thread: LLVMpipe Gallium3D Now Exposes GLSL 3.30

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  1. #1
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    Default LLVMpipe Gallium3D Now Exposes GLSL 3.30

    Phoronix: LLVMpipe Gallium3D Now Exposes GLSL 3.30

    The LLVMpipe driver that provides software-accelerated OpenGL support over Gallium3D now has GLSL 3.30 support where previously only version 1.40 of the GL Shading Language was exposed...

    http://www.phoronix.com/vr.php?view=MTY3MjM

  2. #2
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    Meanwhile, Sandybridge is stuck at 1.40

  3. #3
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    Quote Originally Posted by Krejzi View Post
    Meanwhile, Sandybridge is stuck at 1.40
    Intel OTC devs said they won't implement anything newer than 3.1 for Sandy Bridge, but it's technically possible.

    Windows drivers for Sandy Bridge also only support OpenGL 3.1.

  4. #4
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    Great but I'd be curious to know why the non-LLVM backend is still stuck with 1.5

  5. #5
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    Quote Originally Posted by Krejzi View Post
    Meanwhile, Sandybridge is stuck at 1.40
    Get coding. The driver is open source, documentation is available. Yeah, I know, graphics driver development is hard. But hey, I have Ironlake, that driver is even less complete than the Sandy Bridge one.

    @_SXX_: Do you have a link to where Intel devs said this? All I'm aware of is Paul Berry saying he probably won't work on geometry shaders for SB, but would be willing to help if someone else tackled it: http://lists.freedesktop.org/archive...er/046150.html

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    Quote Originally Posted by Gusar View Post
    Get coding. The driver is open source, documentation is available. Yeah, I know, graphics driver development is hard. But hey, I have Ironlake, that driver is even less complete than the Sandy Bridge one.
    Oh gosh, how can I thank you for your helpful suggestion? here's a tip for you:
    Get mining, get an Earth map and find gold, if you mine enough you'll find gold and become a billionaire. HTH

  7. #7
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    At least you'd have some reasonable expectation of getting something useful if you wrote code, without worrying about getting taxed when you exchanged it for your currency of choice. And in this case you have prior art and experience that's willing to help, whereas if you went mining you likely wouldn't have the tools, experience, or knowledge to do the job, and nobody to help.

    You'd be better off mining for quartz anyway, imho.

  8. #8
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    OpenGL coding is a nightmare due to the vast diversity of availability of extensions, which is somewhat understandable, but it's hard to find a good technical explanation for why each version of GLSL breaks with previous versions. If you want to write a properly portable OpenGL application, you basically need to rewrite every shader in various versions of GLSL -- there's no difference in features, just in syntax. Sure, newer versions are nicer and cleaner, but the cost of this urge to streamline is huge headaches for us devs.

    OpenGL is the best option we have for crossplatform graphics development, but I can't say I love it.

  9. #9
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    Quote Originally Posted by mark45 View Post
    Oh gosh, how can I thank you for your helpful suggestion? here's a tip for you:
    Get mining, get an Earth map and find gold, if you mine enough you'll find gold and become a billionaire. HTH
    You're incorrectly inferring I was attempting a suggestion and was soliciting thanks for my supposedly brilliant contribution. I wasn't. I was just stating the obvious. So the joke's on you.

    But let's look at the situation realistically - what will you gain if geometry shaders get implemented for SB? It's not like SB is powerful enough to actually run the things that rely on geometry shaders. You get prettier glxinfo output, and can maybe marvel at some demo running at low fps, and that's that. So I find posts like rikkinho's beyond silly.

  10. #10
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    Quote Originally Posted by Gusar View Post
    You're incorrectly inferring I was bla bla.
    No, the fact that something is open source and if you have problems go ahead and work on the program - is always the worst and cheapest point/advice made among the open source aficionados. It's like those liberals always saying that you're a racist if you don't support Obama - which is also the most often, cheapest and dumbest argument a liberal makes these days (in the USA).
    Playing the race card (in politics) or the open source card in the software world, like many other cards, are null, void and long overdrawn.

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