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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 Jan 24
      • Report Tweet
      • Report NetzDG Violation

      Patrick Walton Retweeted Richard Geldreich

      Interesting thought experiment: Replace the GPU triangle rasterization hardware with an axis aligned rectangle rasterizer. No triangles allowed unless you implement them yourself in the fragment shader. Would WebRender still work? (I think the answer is yes?)https://twitter.com/richgel999/status/1220920446071328769 …

      Patrick Walton added,

      Richard Geldreich @richgel999
      Thankfully GPU textures are still useful, even after the rasterizers die.
      Show this thread
      2 replies 1 retweet 8 likes
      Show this thread
    2. Patrick Walton‏ @pcwalton Jan 24
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      I think Pathfinder 3 still works fine in this world too, which is interesting. (Pathfinder 2 doesn’t, though.)

      1 reply 1 retweet 1 like
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    3. Patrick Walton‏ @pcwalton Jan 24
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      Shoutout to the gloriously hacky GL_NV_fill_rectangle extension which is literally “call this function to make glDrawArrays(GL_TRIANGLES, …) draw axis aligned rectangles instead of triangles” https://www.khronos.org/registry/OpenGL/extensions/NV/NV_fill_rectangle.txt …

      1 reply 0 retweets 6 likes
      Show this thread
      Patrick Walton‏ @pcwalton Jan 24
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      For those who aren’t graphics programmers, this is like if instead of creating two functions mkdir() and rmdir(), Unix decided to just have mkdir(), but to have a function you could call beforehand to make mkdir() actually delete directories instead

      9:37 PM - 24 Jan 2020
      • 1 Retweet
      • 22 Likes
      • edef Sean Olson Günter Zöchbauer Philip David Bonet Renato Zannon YT. Hsieh Alan Jenkins Paul Crowley
      3 replies 1 retweet 22 likes
        1. Tony “Abolish ICE” Arcieri  🦀‏ @bascule Jan 24
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          Replying to @pcwalton

          Sounds like git and how you can push branches to create them and push the null branch to delete them

          0 replies 0 retweets 1 like
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        1. Arseny Kapoulkine‏ @zeuxcg Jan 24
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          Replying to @pcwalton

          Nah it's more like instead of creating two functions for reading data from files and reading list of files from directories Unix decoded to just have read(), but to have the behavior depend on the type of thing you opened... wait... (NV rasterizer actually sorta works like that)

          0 replies 0 retweets 1 like
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        1. Bill Dortch‏ @BillDortch Jan 24
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          Replying to @pcwalton @BrendanEich

          Hmm, reminiscent of the INTERCAL “COMEFROM” statement.

          0 replies 0 retweets 1 like
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