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pcwalton's profile
Patrick Walton
Patrick Walton
Patrick Walton
@pcwalton

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Patrick Walton

@pcwalton

Research engineer at Mozilla

San Francisco, CA
pcwalton.github.io
Joined November 2009

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    1. Patrick Walton‏ @pcwalton Mar 25
      • Report Tweet
      • Report NetzDG Violation

      Hit another bizarre OpenGL driver bug on macOS. It’s so tempting to just drop GL support on macOS, now that Pathfinder has a Metal backend. Sadly GL support is still in high demand…

      2 replies 2 retweets 17 likes
    2. Richard Geldreich‏ @richgel999 Mar 25
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      Replying to @pcwalton

      Are they even seriously updating GL on OSX anymore?

      1 reply 0 retweets 1 like
    3. Patrick Walton‏ @pcwalton Mar 25
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      • Report NetzDG Violation
      Replying to @richgel999

      Nope, GL on macOS is stuck at version 4.1 and has a mountain of bugs. But it’s so convenient, especially for apps that want to be portable, that it gets a lot of use still.

      2 replies 1 retweet 10 likes
    4. Richard Geldreich‏ @richgel999 Mar 25
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      Replying to @pcwalton

      Yea - I got the impression that Apple moved most of its gfx devs onto other things like Metal, and just let GL rot.

      1 reply 0 retweets 1 like
    5. Patrick Walton‏ @pcwalton Mar 25
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      Replying to @richgel999

      Yep. It has to be at least minimally maintained though because Safari supports WebGL.

      1 reply 1 retweet 0 likes
    6. other Andrea  ☀️ not actually Matsuri‏ @hikari_no_yume Mar 25
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      Replying to @pcwalton @richgel999

      I think Safari WebGL is on top of Metal given what some stack trace I saw looked like, though I can't for the life of me remember where I saw it

      1 reply 0 retweets 1 like
    7. Patrick Walton‏ @pcwalton Mar 25
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      Replying to @hikari_no_yume @richgel999

      If Apple has a Metal implementation of OpenGL—even if it’s just the WebGL subset—I really wish they would make it a public API! It would be very helpful!

      1 reply 0 retweets 5 likes
    8. Aurora‏ @rawrafox Mar 25
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      Replying to @pcwalton @hikari_no_yume

      Sadly it is still OpenGL, I'm sure there's been a lot of talk about doing such a thing though.

      1 reply 0 retweets 1 like
    9. other Andrea  ☀️ not actually Matsuri‏ @hikari_no_yume Mar 25
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      Replying to @rawrafox @pcwalton

      I think I want an API that is just GL ES but with all state explicit, and eventually I will probably be annoyed enough to write it

      1 reply 0 retweets 0 likes
    10. Patrick Walton‏ @pcwalton Mar 25
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      Replying to @hikari_no_yume @rawrafox

      I’ve mostly written that. :)https://github.com/servo/pathfinder/tree/master/gpu …

      1 reply 0 retweets 3 likes
      Patrick Walton‏ @pcwalton Mar 25
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      Replying to @pcwalton @hikari_no_yume @rawrafox

      (Despite the name, this is a generic GPU abstraction layer usable outside Pathfinder. I use it in all my projects that need to touch the GPU nowadays.)

      4:59 PM - 25 Mar 2020
      • 2 Likes
      • ohzee other Andrea ☀️ not actually Matsuri
      1 reply 0 retweets 2 likes
        1. New conversation
        2. other Andrea  ☀️ not actually Matsuri‏ @hikari_no_yume Mar 25
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          Replying to @pcwalton @rawrafox

          huh! I might try it out at some point, I am currently playing around with GL in Rust

          1 reply 0 retweets 0 likes
        3. Patrick Walton‏ @pcwalton Mar 25
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          Replying to @hikari_no_yume @rawrafox

          Feel free to! I have some additions (backface culling, etc.) I need to push

          0 replies 0 retweets 1 like
        4. End of conversation

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