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Sandy Bridge Gets Layered Rendering, Fixes Longtime Regression

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  • Sandy Bridge Gets Layered Rendering, Fixes Longtime Regression

    Phoronix: Sandy Bridge Gets Layered Rendering, Fixes Longtime Regression

    While improvements to Intel's open-source Linux graphics driver that explicitly target Sandy Bridge hardware is rare these days with the Intel OTC crew being busy with Broadwell, Haswell, and Bay Trail, there is an SNB improvement to report this afternoon. A patch-set has emerged for Sandy Bridge to implement layered rendering and in the process it takes care of a long-time OpenGL performance regression...

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

  • #2
    Better late then never, whatever . I was not infromed that in US my radeon was so much faster then snb even with broken shadows .
    Last edited by dungeon; 29 May 2014, 06:53 PM.

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    • #3
      What exactly is layered rendering and what does that have to do with the driver?

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      • #4
        Originally posted by sarmad View Post
        What exactly is layered rendering and what does that have to do with the driver?
        Driver must implemented those, so following functions in OpenGL apps can behave right & fast

        http://www.opengl.org/wiki/Framebuff...Layered_Images
        http://www.opengl.org/wiki/Geometry_...ered_rendering

        But i guess GS is not there yet for SNB .

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        • #5
          there is an SNB improvement to report this afternoon
          wait, SNB stands for son of a beach?

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          • #6
            No, it's SaNdy Bridge.
            And I'm happy to see this, given that I'm writing this from a Sandy Bridge laptop.

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            • #7
              Originally posted by mark45 View Post
              wait, SNB stands for son of a beach?
              Could be but here it is not . Also here:

              I was not infromed that in US...
              US here is not Unites States but Unigine Sanctuary .

              http://en.wikipedia.org/wiki/Acronym

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              • #8
                Originally posted by dungeon View Post
                Driver must implemented those, so following functions in OpenGL apps can behave right & fast

                http://www.opengl.org/wiki/Framebuff...Layered_Images
                http://www.opengl.org/wiki/Geometry_...ered_rendering

                But i guess GS is not there yet for SNB .
                Thanks for the info. My graphics information has gotten rusty over the years.

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