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Compute Shader & GLSL 4.30 Support For R600 Gallium3D

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  • SteamPunker
    replied
    Hi, maiden post from a long-time Phoronix lurker here.

    Wasn't it true that any GPU advanced enough to at least support Compute Shaders (OpenGL 4.3 / OpenGL ES 3.1) could theoretically support Vulkan as well?

    Doesn't this imply that it would be possible to write a Vulkan driver for pre-GCN AMD hardware (Terascale, Evergreen, etc)?

    I'm not asking whether it would be trivial, just if it would be possible. Developing Vulkan drivers for older hardware could perhaps squeeze out a little bit more performance, maintainability and forward compatibility with some (not too demanding) newer games. And even cooler than that, it would mean that these older beasts would get better capabilities and support than they've ever had, even in Windows, since AMD apparently has no intention to release Vulkan drivers for their legacy products, even if technically feasible.

    I could be missing something here, of course. For one thing, there are different kinds of pre-GCN AMD GPU families with varying capabilities, such as FP64. I'm not sure if they all support Compute Shaders. There are undoubtedly people more knowledgeable than I in this forum who could answer this question.

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  • Dukenukemx
    replied
    That's amazing, I wonder if I can run CEMU now on my Radeon 6850?

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  • Nille_kungen
    replied
    Thanks David for more R600g extension, i really appreciate it.

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  • HokTar
    replied
    4.6 on my ARUBA would be terrific!

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  • tildearrow
    replied
    Very small typo:

    Originally posted by phoronix View Post
    code in the future.With these

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  • wdb974
    replied
    Originally posted by eydee View Post

    Too bad that getting cards for the drivers is a hell of a challenge.
    Where do you live? It used to be hard to get ahold of them a few month back in my country, but now they're mostly back in stock.

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  • eydee
    replied
    Originally posted by andrei_me View Post
    What a great year for AMD's open source drivers
    Too bad that getting cards for the drivers is a hell of a challenge.

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  • Adarion
    replied
    Yes, love for the elderly chips! It's good to see these chips brought to HW feature support completeness in driver, especially for those one can't easily exchange.

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  • andrei_me
    replied
    What a great year for AMD's open source drivers

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  • wdb974
    replied
    Wow, this sounds really neat for those of us still using laptops with a pre-HD7000 GPU.

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