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Thread: Intel Gallium3D Gets sRGB Textures

  1. #1
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    Default Intel Gallium3D Gets sRGB Textures

    Phoronix: Intel Gallium3D Gets sRGB Textures

    The Intel "i915g" Gallium3D driver now implements sRGB textures support, but this is basically the end of the road for new features...

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

  2. #2
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    Hey Michael, how about re-benchmarking i915 gallium vs classic?

  3. #3
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    915 with OpenGL 2.1? Wow. I didn't know the hardware was capable of that. Thought you needed Gen 4 hardware for that. Mesa and Windows are on OpenGL 1.4.
    Last edited by AlbertP; 06-27-2012 at 08:21 AM.

  4. #4

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    Quote Originally Posted by curaga View Post
    Hey Michael, how about re-benchmarking i915 gallium vs classic?
    Already planned to :P

  5. #5
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    I'll try it on a 915GM as soon as it hits the oibaf PPA.

    On that laptop, HP Compaq nc6120, 3D acceleration is somehow very choppy with both Mesa and Gallium. But that's maybe because it still runs Mint 11 with Linux 2.6.38. Linux Mint 13 Cinnamon from a Live DVD runs quite well on the old gpu so maybe that newer version will also have faster glxgears.

  6. #6
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    It' helps intel driver to run wayland?

  7. #7
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    Quote Originally Posted by AlbertP View Post
    I'll try it on a 915GM as soon as it hits the oibaf PPA.

    On that laptop, HP Compaq nc6120, 3D acceleration is somehow very choppy with both Mesa and Gallium. But that's maybe because it still runs Mint 11 with Linux 2.6.38. Linux Mint 13 Cinnamon from a Live DVD runs quite well on the old gpu so maybe that newer version will also have faster glxgears.
    Nice to know that there's a i915g PPA. I thought it was just for cutting edge Mesa.

    I'm stuck on a 945gm for a few days as my laptop is repaired. Gonna give this a try to see if it performs any better than classic.

    OpenGL vendor string: VMware, Inc.
    OpenGL renderer string: Gallium 0.4 on i915 (chipset: 945GM)
    OpenGL version string: 2.0 Mesa 8.1-devel (git-6404095 precise-oibaf-ppa)
    OpenGL shading language version string: 1.20
    Last edited by LLStarks; 06-27-2012 at 01:44 PM.

  8. #8
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    @LLStarks: Intel i915g is included in the PPA but not automatically enabled. Instructions on running a program with Gallium3D rendering are in the PPA's description.
    https://launchpad.net/~oibaf/+archive/graphics-drivers

    Note that i915g is only for 91x/94x hardware (GMA 900 and 950 aka Gen 3; correct me if I'm wrong) and not for newer Intels.

  9. #9
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    eric@eientei:~/Downloads$ glxspheres
    Polygons in scene: 62464
    Visual ID of window: 0xaa
    Context is Direct
    OpenGL Renderer: Mesa DRI Intel(R) 945GM x86/MMX/SSE2
    14.975384 frames/sec - 18.593437 Mpixels/sec
    15.601807 frames/sec - 19.371204 Mpixels/sec
    15.395292 frames/sec - 19.114795 Mpixels/sec
    15.206275 frames/sec - 18.880111 Mpixels/sec
    15.366731 frames/sec - 19.079333 Mpixels/sec

    eric@eientei:~/Downloads$ LIBGL_DRIVERS_PATH=/usr/lib/i386-linux-gnu/dri-alternates/ glxspheres
    Polygons in scene: 62464
    Visual ID of window: 0xaa
    i915_get_param: Unknown cap 65.
    i915_get_param: Unknown cap 66.
    i915_get_param: Unknown cap 67.
    i915_get_param: Unknown cap 4.
    i915_get_param: Unknown cap 57.
    i915_get_param: Unknown cap 62.
    Context is Direct
    OpenGL Renderer: Gallium 0.4 on i915 (chipset: 945GM)
    19.139210 frames/sec - 23.763243 Mpixels/sec
    18.962341 frames/sec - 23.543643 Mpixels/sec
    18.983265 frames/sec - 23.569622 Mpixels/sec
    18.982825 frames/sec - 23.569076 Mpixels/sec

    Performance is pretty much identical.
    Last edited by LLStarks; 06-27-2012 at 02:03 PM.

  10. #10
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    Quote Originally Posted by lapis View Post
    It' helps intel driver to run wayland?
    Wayland runs on everything but blobs. This driver has to do with google wanting Gallium3D on its chromebooks i think.

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