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Thread: DirectX & OpenGL to open up low-level access

  1. #1
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    Default DirectX & OpenGL to open up low-level access

    There is some pretty big news out there.AMD recently released mantle, a low level API that
    eliminates heaps of CPU overhead (draw
    calls). It now seems that both DirectX and
    OpenGL will follow that same route as
    AMD’s API. Over at this years GDC some
    slides where shown demonstrating that
    DirectX and OpenGL will start offering
    low-level access in order to reduce draw
    overhead. This should excite gamers with
    slower processors alright.

    Below you can find some quotes from the
    DirectX and OpenGL presentations that
    will take place in GDC 2014:
    “In this session we will discuss future
    improvements in Direct3D that will allow
    developers an unprecedented level of
    hardware control and reduced CPU
    rendering overhead across a broad
    ecosystem of hardware.”

    “For nearly 20 years, DirectX has been
    the platform used by game developers to
    create the fastest, most visually
    impressive games on the planet.
    However, you asked us to do more. You
    asked us to bring you even closer to the
    metal and to do so on an unparalleled
    assortment of hardware. You also asked
    us for better tools so that you can
    squeeze every last drop of performance
    out of your PC, tablet, phone and
    console.”

    “Driver overhead has been a frustrating
    reality for game developers for the entire
    life of the PC game industry. On desktop
    systems, driver overhead can decrease
    frame rate, while on mobile devices driver
    overhead is more insidious–robbing both
    battery life and frame rate. In this
    unprecedented sponsored
    session, Graham Sellers (AMD), Tim
    Foley (Intel), Cass Everitt (NVIDIA) and
    John McDonald (NVIDIA) will present
    high-level concepts available in today’s
    OpenGL implementations that radically
    reduce driver overhead–by up to 10x or
    more. The techniques presented will apply
    to all major vendors and are suitable for
    use across multiple platforms.
    Additionally, they will demonstrate
    practical demos of the techniques in
    action in an extensible, open source
    comparison framework.”

    When these optimizations kick in is still
    unknown and wether or not they will be
    able to compete with Mantle also remains
    to be seen of course. It will also be
    interesting to see if this will be a final
    DX12 feature, obviously available for
    Windows 8.1.



    source: guru 3d

  2. #2
    Noblesse Oblige
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    Default

    Have you seen OpenGL ES 3.1 features? pathetic.

    If it is anything DirectX will lead the way.
    The abuse of greatness is when it disjoins remorse from power.
    Please do not PM me for support. You will NOT get a reply. Post in the relevant forum section.

  3. #3
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    Default

    nah didnt see open gl es but as an alternative of mantle and watching nvidia's interest, it looks promising to me

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    good.

    mantle is very good to me for bf4, but that driver had problem

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    Looks like we'll be seeing improvements soon.

    http://www.pcper.com/reviews/Graphic...y-Improvements

    Nvidia optimizing their DX11 driver stack to rival Mantle. That means games won't need to include additional support, improvements should be visible on all DX11 games.


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    wow thats great

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    Quote Originally Posted by aayman View Post
    Looks like we'll be seeing improvements soon.

    http://www.pcper.com/reviews/Graphic...y-Improvements

    Nvidia optimizing their DX11 driver stack to rival Mantle. That means games won't need to include additional support, improvements should be visible on all DX11 games.

    Don't forget: DX12 will provide a boost to existing DX11 hardware which will not really benefit Mantle.

    While AMD cards will get benefits in a mutually exclusive way (boost from mantle or boost from DX12), NVidia cards will get these boost + DX12 boost.
    The abuse of greatness is when it disjoins remorse from power.
    Please do not PM me for support. You will NOT get a reply. Post in the relevant forum section.

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