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  1. Yeah, that isn't the same issue at all. The hangs...

    Yeah, that isn't the same issue at all. The hangs fixed by the kernel patches produce a "missed IRQ?" message in the log, or "kicking stuck semaphore" if semaphore=1 is set. You should file a new...
  2. Does it still hang with the above kernel patches?...

    Does it still hang with the above kernel patches? It's probably a different problem, maybe in Mesa rather than in the kernel.
  3. The first part of the fix is in mainline git. The...

    The first part of the fix is in mainline git. The second patch was only posted on the intel-gfx mailing list a couple days ago; I assume it'll make it into git any day now.

    You don't need any...
  4. There's now a fix for the random SNB GPU hangs if...

    There's now a fix for the random SNB GPU hangs if you're able and willing to recompile a kernel. You need to apply the two patches attached here: https://bugzilla.redhat.com/show_bug.cgi?id=684097
    ...
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    Pardon the thread necromancy. Just this...

    Pardon the thread necromancy.

    Just this morning I got a "Northbridge error", accompanied by font corruption very similar to the screenshot posted by the thread starter, only on an rv280. Software...
  6. From the definition of...

    From the definition of ARB_fragment_coord_conventions on opengl.org (emphasis added):



    ?
  7. But isn't the point of all the OpenGL 3.2 "Wine...

    But isn't the point of all the OpenGL 3.2 "Wine extensions" to obviate the need to do this?
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    I just discovered that there are (at least) three...

    I just discovered that there are (at least) three OpenGL extensions for exactly this purpose: GL_ARB_provoking_vertex, GL_ARB_fragment_coord_conventions, and GL_ARB_vertex_array_bgra. The...
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    It'd be more precise to say that the GPLv3 tries...

    It'd be more precise to say that the GPLv3 tries its best to prohibit "granting additional rights to users of certified binaries". I like that phrasing.



    If that's the case, then why do you...
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    What you're describing isn't open source. It may...

    What you're describing isn't open source. It may be "shared source" or whatever Microsoft's bullshit marketing phrase is, but if you can't modify and recompile and have it still work, then it isn't...
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    I can't imagine any way that the DVD or Blu-Ray...

    I can't imagine any way that the DVD or Blu-Ray DRM requirements can be compatible with open source. How on earth is an open source stack supposed to "robustly" implement things like region codes or...
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    Hmm, I'm sure I remember reading an explanation...

    Hmm, I'm sure I remember reading an explanation that "[some big-name D3D9 game] needs a GF8 in Wine because Wine needs to add instructions to its shaders to work around the differences between D3D...
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    It seems to me that it would take a lot less work...

    It seems to me that it would take a lot less work to encapsulate just the awkward low-level differences between D3D and OpenGL into OpenGL extensions, rather than write a complete bottom-to-top...
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    Thanks for the informative replies. I've got...

    Thanks for the informative replies. I've got another question.

    I recall reading (possibly in the comments under a Wine bugzilla entry) that the reason Wine typically requires a more advanced GPU...
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    Open Source 3D stacks and WINE

    As anyone who uses WINE to run Windows games and other 3D applications must be acutely aware of, WINE's Direct3D reimplementation is not even close to fully functional on any OpenGL stack other than...
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    I found an old whitepaper describing R200's FSAA...

    I found an old whitepaper describing R200's FSAA implementation, which was given the marketing name "SmoothVision":

    http://www.orpheuscomputing.com/downloads/ATI-smoothvision.pdf

    It looks like...
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    I found a description of how FSAA was implemented...

    I found a description of how FSAA was implemented on the original Radeon (R100):

    http://www.sharkyextreme.com/hardware/articles/ati_radeon_in-depth/10.shtml

    Rather than render to a double-sized...
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    IIRC, the R200 only did SSAA, but with a...

    IIRC, the R200 only did SSAA, but with a programmable or pseudorandom sample pattern with from 2 and 5 samples per pixel (as opposed to a simple 2x2 grid, which as airlied points out doesn't really...
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    Yes, that's exactly what I'm talking about. The...

    Yes, that's exactly what I'm talking about. The only way I can see Linux qualifying for "authorized" BD playback is if the player software and the rest of the stack is tied to an "approved"...
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    Yes, but that's an embedded system where the GPL...

    Yes, but that's an embedded system where the GPL is moot because the kernel binary is baked into a ROM. Surely you've heard of the controversy among the kernel developers over "Tivoization".

    I...
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