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warrenm's profile
Warren Moore
Warren Moore
Warren Moore
@warrenm

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Warren Moore

@warrenm

Software engineer specializing in mobile graphics and augmented reality. Author of “Metal by Example”

San Francisco, CA
metalbyexample.com
Joined April 2008

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    Warren Moore‏ @warrenm Aug 13

    Real-time graphics programmers: “We built a custom gonioreflectometer rig to capture physically-accurate micrometer-scale material parameters” Also real-time graphics programmers: “If something looks too harsh, just square it”

    10:55 AM - 13 Aug 2018
    • 57 Retweets
    • 331 Likes
    • Sepehr Asadi Alexandre Jubert Samuli Raivio зануда, туповат Berrak 🏳️‍🌈👩🏻‍💻☕️ philippe bézard Varun Ravishankar Dfn Natalia Grymnak
    8 replies 57 retweets 331 likes
      1. New conversation
      2. Romain Guy‏ @romainguy Aug 13
        Replying to @warrenm

        It’s the squint test: if you approximate an equation and squint very hard and it still looks correct from 10 feet away, the math is good :)

        1 reply 2 retweets 17 likes
      3. Adil Patel‏ @____adil___ Aug 13
        Replying to @romainguy @warrenm

        Graphics programmers: Squint and see if it looks good. Scientists: Perform a power series expansion and take the first couple of terms. Mathematicians: Derive an elaborate proof. Get a heart attack from graphics programmers and scientists.

        1 reply 6 retweets 23 likes
      4. Ian Ollmann‏ @iollmann Aug 13
        Replying to @____adil___ @romainguy @warrenm

        Numericist, repeat mathematicians work, this time taking into account floating point precision limits.

        0 replies 0 retweets 7 likes
      5. End of conversation
      1. New conversation
      2. H555‏ @Heaney5555 Aug 13
        Replying to @warrenm

        I also find it hilarious how so many modern games/engines spend so much time getting the lighting right but are an aliased mess. Didn't PIXAR in the 90's say it best? Priorities (in order): framerate, aliasing, resolution, everything else

        7 replies 3 retweets 22 likes
      3. Automated House of Horrors Botnet‏ @jwatte Aug 13
        Replying to @Heaney5555 @warrenm

        I think good animation is more important than 4k resolution. I also think good global lighting is more important than 4k resolution. In fact, if you can give me perfectly physical animation and GI on 480p, that's fine by me!

        1 reply 0 retweets 4 likes
      4. H555‏ @Heaney5555 Aug 13
        Replying to @jwatte @warrenm

        As long as there is no visible aliasing. The problem is, so many games today have all these fancy shaders and lighting and yet there is visible shimmering and jaggy edges everywhere. When did this become considered acceptable...

        2 replies 0 retweets 1 like
      5. Automated House of Horrors Botnet‏ @jwatte Aug 13
        Replying to @Heaney5555 @warrenm

        Way too much focus on using fill rate for high resolution. No engine can even pretend to be a 480p sitcom soundstage. We have so far yet to go. Often, nonphysical animation is one of the bigger culprits, which doesn't even need shaders to fix, but it's "less sexy" ...

        0 replies 0 retweets 1 like
      6. End of conversation
      1. Ronja‏ @totallyRonja Aug 13
        Replying to @warrenm @owendeery

        I still think of the astrophysicist who told me a sine is basically a linear equation near 0 and radians and degree also don't matter, in space a factor of 50 is still roughly the same.

        0 replies 2 retweets 7 likes
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      1. inigo quilez‏ @iquilezles Aug 14
        Replying to @warrenm

        I think it should be "Real-time graphics programmers" and "Film programmers" respectively! :)

        0 replies 0 retweets 8 likes
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      1. Ian Ollmann‏ @iollmann Aug 13
        Replying to @warrenm @_vade

        No lampoon is too harsh for the stereotypical graphics engineer.

        0 replies 0 retweets 2 likes
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      1. Ian Kettlewell‏ @kettlecorn Aug 13
        Replying to @warrenm

        I thought you just made up the word "gonioreflectometer" until I looked it up.

        0 replies 0 retweets 1 like
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      1. New conversation
      2. Rhythmic Fistman‏ @rfistman Aug 13
        Replying to @warrenm

        that's what Nature does

        1 reply 0 retweets 0 likes
      3. Rhythmic Fistman‏ @rfistman Aug 13
        Replying to @rfistman @warrenm

        it's also fond of 2nd derivatives

        0 replies 0 retweets 1 like
      4. End of conversation
      1. Steve A. 🤘🏼 🇺🇸 ❄️‏ @steverockan Aug 14
        Replying to @warrenm @erkaman2

        Eh. More the latter than the former :P

        0 replies 0 retweets 0 likes
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