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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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    1. Warren Moore‏ @warrenm Jul 31

      Ported my physically-based ModelIO material renderer to iOS. Looking pretty sharp (forgive the GIF compression).pic.twitter.com/Qbo2rxSM1i

      3 replies 3 retweets 56 likes
    2. Antonin Fontanille‏ @afontanille Jul 31
      Replying to @warrenm

      Nice 👍 I guess it is from a glTF asset, can you play with USD files as well?

      1 reply 0 retweets 0 likes
    3. Warren Moore‏ @warrenm Jul 31
      Replying to @afontanille

      This is an OBJ asset converted from glTF, with PBR texture maps applied via MTL syntax extensions that ModelIO understands (e.g., map_roughness). ModelIO will load USD(Z), but the way it represents textures makes rendering extraordinarily tedious (for now).

      3 replies 0 retweets 1 like
    4.  🦇 Count Meshula  🦇‏ @meshula Jul 31
      Replying to @warrenm @afontanille

      (for anyone wondering: https://developer.apple.com/documentation/metalkit/mtktextureloader/1645861-newtexture …)

      1 reply 0 retweets 3 likes
    5. Antonin Fontanille‏ @afontanille Jul 31
      Replying to @meshula @warrenm

      Thanks, I’ll take a closer look on it 🙃

      1 reply 0 retweets 0 likes
      Warren Moore‏ @warrenm Jul 31
      Replying to @afontanille @meshula

      The problem is that when loading a USDZ file, ModelIO doesn’t populate material properties that are texture-based when asked to resolve and load (at least I couldn’t find a resolver type that worked).

      6:19 PM - 31 Jul 2018
      • 1 Like
      • Anton Marini
      1 reply 0 retweets 1 like
        1.  🦇 Count Meshula  🦇‏ @meshula Jul 31
          Replying to @warrenm @afontanille

          Oh. Judging by this discussion, https://github.com/TimvanScherpenzeel/gltf-to-usdz/issues/1 … fixes are coming quick. Also, a bunch of usdz tools and Maya export landed on USD's dev branch. Things are coming together, quickly!

          0 replies 0 retweets 0 likes
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