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Thread: AMD Publishes Evergreen Shader Documents

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  1. #1
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    Default AMD Publishes Evergreen Shader Documents

    Phoronix: AMD Publishes Evergreen Shader Documents

    Yesterday some R500+ PowerPlay code was started on (but not yet usable), and now at the same time we have more exciting AMD news to report. AMD has just released their shader instruction set documentation for the R800 "Evergreen" graphics processors!This PDF document is available from AMD's developer area and is entitled "Evergreen Family Instruction Set Architecture - Instructions and Microcode." This documentation that covers their very latest GPUs in the Radeon HD 5000 series (like the Radeon HD 5750 and Radeon HD 5770) is important since its required for having the knowledge to provide 2D, 3D, and video acceleration for these newest Radeon graphics cards in the open-source Linux driver.In regards to the open-source status for the ATI Radeon HD 5000 series graphics cards, with AMD's internal open-source code-base they do have VGA outputs continuing to work with these Evergreen GPUs, but digital outputs continue to be troublesome -- though they are making process...

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

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    This is great news. AMD is really showing some serious effort.

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    i really wish intel would release their larabee soon. sick of closed source nvidia, so i think i might have to switch to ati.
    or wait for intel, whih i prefer because of their open source only drivers

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    Quote Originally Posted by portets43 View Post
    i really wish intel would release their larabee soon. sick of closed source nvidia, so i think i might have to switch to ati.
    or wait for intel, which i prefer because of their open source only drivers
    erm Larabee has been cancelled some time ago? And about the quality of Intel drivers, have a look at the GMA500. The upcoming Atom N450 "Pine Trail" also comes with a GMA500 derivate, so this silliness isn't going to stop.

    In two years time ATI will probably be the only manufacturer left who's able to deliver high-performance graphics with free drivers. I am definitely supporting them and not Intel.

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    As a 5850 owner, this is great news! On a side note, is it clear yet if the drivers will require 2.6.33+ kernels? KMS will, obviously, but what about 2D acceleration and xv?

    Quote Originally Posted by sturmflut View Post
    The upcoming Atom N450 "Pine Trail" also comes with a GMA500 derivate,
    GMA 3150 is based on GMA 3100.

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    Quote Originally Posted by sturmflut View Post
    erm Larabee has been cancelled some time ago? And about the quality of Intel drivers, have a look at the GMA500. The upcoming Atom N450 "Pine Trail" also comes with a GMA500 derivate, so this silliness isn't going to stop.

    In two years time ATI will probably be the only manufacturer left who's able to deliver high-performance graphics with free drivers. I am definitely supporting them and not Intel.
    WTF are you smoking? They can't even do that with their own proprietary drivers!

    The only half-way decent X drivers that I've ever had were the nVidia proprietary ones, and more to the point th eonly useful GPU drivers I've ever had were nVidia drivers on ANY OS...

    Oh, and let's not even talk about their weird OEM arrangements under windoze where they can't publish generic drivers... but then again nVidia and Intel don't compete against their own OEMs...

    ATI is a joke, and their spec release is a soporific for linux users who are not institutional users, nothing more. Although I will say that ATI's best hope of survival is to provide OSS drivers since they're dropping arch support like flies...
    Last edited by cutterjohn; 12-25-2009 at 11:58 PM.
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    Quote Originally Posted by cutterjohn View Post
    WTF are you smoking? They can't even do that with their own proprietary drivers!

    The only half-way decent X drivers that I've ever had were the nVidia proprietary ones, and more to the point th eonly useful GPU drivers I've ever had were nVidia drivers on ANY OS...

    Oh, and let's not even talk about their weird OEM arrangements under windoze where they can't publish generic drivers... but then again nVidia and Intel don't compete against their own OEMs...

    ATI is a joke, and their spec release is a soporific for linux users who are not institutional users, nothing more. Although I will say that ATI's best hope of survival is to provide OSS drivers since they're dropping arch support like flies...
    You are completely right, no one other than nVidia can make usable graphics cards or drivers. What can I be thinking being satisfied with the ability of the Intel card in my laptop to display Firefox, Pidgin, and Skype?! I have been so misguided! </sarcasm>

    At least 90% of the world doesn't care about openGL, FPS, or any of that stuff, what they care about is cheap flights and package holidays, their daily viagra bidding wars, and the ability to edit wikipedia to prove their world view. For those, even the nv drivers are adequate. So describing nVidia as the only company producing usable GPUs + drivers is, frankly, comical. Intel are the biggest selling graphics vendor for a reason: they are dreadfully boring graphics that just work fine for everything but the gamer/enthusiast market.

    On the subject of ATIs FOSS drivers... IIRC, bridgman has said they are surprised at some of the performance they are already seeing from those drivers. To describe them as a sop is, again, laughable, as where they work they are, for the average user, far superior to nVidias offering, because, you know, they are just shipped by every distro with no legal issues.

    I am, currently, still holding off on embracing ATI drivers for a while longer, because I want to give them a bit more time to mature, and also because I'm not shopping for a new laptop or desktop. I think we still need to give the ATI FOSS drivers time, they have come a long way in a short time, and the graphics stack is changing around them...

    Maybe in another year it will be "Why did we ever doubt nVidia?", it could also be "There is only one high performance graphics option on Linux, and it's ATI". It really depends on performance of the FOSS drivers, and how close they an get to fglrx on the FireGL cards. As they say "We live in interesting times".

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    Quote Originally Posted by portets43 View Post
    i really wish intel would release their larabee soon. sick of closed source nvidia, so i think i might have to switch to ati.
    or wait for intel, whih i prefer because of their open source only drivers
    Good point. Larabee was canceled though or will be something different taken from the tera stuff from Intel.
    AMD has more and more resources (non obfuscated code, documentation...) that will leverage in many ways abilities to use their GPUs to the best they can do. For instance, we can expect direct to AMD pipeline 3D engines, shortcutting opengl.
    Having a first set of fully working drivers is the first step to start momentum on this. The only picky point is the delay between the programming doc is available to open source driver devs and the fact it's already is the closed source driver. AFAIK, GPU generations are all very similar, then adding support code will be, if there is no significant architecture breakage, less and less work further the open source drivers get completed.

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    oh, just looked it up. they announced on december 4th that larabee will be released to the professional market only now.

    and i was talking about intels in-house gpu's. the gma 500 and successors are made by a different manufacturer.

    well, maybe it's ati for me. unless nouveau becomes amazing

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    Quote Originally Posted by portets43 View Post
    oh, just looked it up. they announced on december 4th that larabee will be released to the professional market only now.

    and i was talking about intels in-house gpu's. the gma 500 and successors are made by a different manufacturer.

    well, maybe it's ati for me. unless nouveau becomes amazing
    It will be very hard to nouveau people to match amd drivers without docs. IMHO, it won't happen if nouveau people are not near full time on this or some have a secret NDA with nvidia (that would be such a treason... well...).
    Last edited by sylware; 12-22-2009 at 09:31 AM.

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