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Thread: Intel GMA950 & 2.1.0 Driver

  1. #1
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    Default Intel GMA950 & 2.1.0 Driver

    Phoronix: Intel GMA950 & 2.1.0 Driver

    It was earlier this month that version 2.1.0 of the xf86-video-intel driver was released, which among other things had introduced open-source Linux graphics support for the G33, Q33, and Q35 chipsets as well as fixing a horde of bugs and adding PCI IDs for the 945GME, 965GME, and 965GLE chips. As our last Intel graphics performance article was looking at the Q965 back in May, in this article we have enclosed some benchmarks from Intel's GMA 950 IGP using the new xf86-video-intel 2.1.0 driver.

    http://www.phoronix.com/vr.php?view=10505

  2. #2
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    What's the point in testing new 2D driver release against 3D applications?

  3. #3

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    Quote Originally Posted by tehehe View Post
    What's the point in testing new 2D driver release against 3D applications?
    The open-source Intel driver supports 3D acceleration, for additional information see: http://gitweb.freedesktop.org/?p=xor...61349;f=README as to some of the features supported.

  4. #4
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    I have always thought that xf86-video-intel provided 2D support and that 3D drivers were included in Mesa. Am I wrong?

  5. #5
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    afaik you're right.

  6. #6
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    The xf86-video-intel driver can possibly have some impact on 3D performance.

    For example, up and coming versions of Mesa will support more advanced memory management schemes that will directly impact DRI driver performance. It will need support from the xf86-video-intel driver for that. Also driver releases tend to go along with new X.org releases that may have some overal performance increase.


    But other then that... yep the xf86-video-intel driver is pretty irrelevent when it comes to 3d performance.


    Mesa3D.org released their 7.0 release late June. This is the stable release supporting OpenGL 2.1 API. They also have a GLSL compiler and some shading language support among other things.

    This does not necessarily translate directly to shading support in the DRI drivers, even if the hardware supports it.. but its definitely a step in the right direction.


    As you probably know DRI drivers are derived from the Mesa OpenGL stack, which is obviously what Intel uses for 3D performance.

    It would be interesting to see how this translates to GMA X3000 or GMA X3100 (Santa Rosa Laptops) performance since the hardware is capable of accelerating that sort of thing.

    I know there is a 965-glsl branch for shading language support.


    System76 has their new laptop.. The Darter Ultra. It's a 12inch Santa-Rosa style laptop with the GMA X3100 graphics.
    http://system76.com/product_info.php...products_id=47

    It's pretty inexpensive considering it's size...

    The new Dell Linux laptop, the 1420N is also Santa-Rosa.
    http://configure.us.dell.com/dellsto...JL1&s=dhs&sm=2

    It's cheaper, but bigger.


    I want one of them.. It would be interesting to compare the performance of the item delivered stock with Ubuntu vs up to date Mesa stuff from cvs or whatnot.

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