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cmuratori's profile
Casey Muratori
Casey Muratori
Casey Muratori
@cmuratori

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Casey Muratori

@cmuratori

I'm worried that the baby thinks people can't change.

Seattle
caseymuratori.com
Joined March 2009

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    1. Casey Muratori‏ @cmuratori Jun 16

      Me: Points out the obvious fact that a monospace terminal renderer requires nothing but a full-screen quad with a pixel shader that fetches glyphs from a coverage atlas. Microsoft:pic.twitter.com/75Kb5fvebL

      19 replies 13 retweets 213 likes
      Show this thread
    2. bernielomax‏ @bernielomax Jun 16
      Replying to @cmuratori

      Unicode atlas?

      2 replies 0 retweets 0 likes
    3. Casey Muratori‏ @cmuratori Jun 16
      Replying to @bernielomax

      You would never use a complete Unicode atlas because it would never be necessary. You just have your parser note each time it sees a glyph index not in the atlas, then you rasterize it into the atlas at that point and assign a glyph index.

      2 replies 0 retweets 15 likes
    4. bernielomax‏ @bernielomax Jun 16
      Replying to @cmuratori

      In the case of a terminal it would be required to handle unicode, so you would have to be intelligent about it of course. So I suspect the benchmark should be cat'ing a file with continously random unicode chars and the accepted subset of control characters.

      1 reply 0 retweets 0 likes
    5. Casey Muratori‏ @cmuratori Jun 16
      Replying to @bernielomax

      I would disagree. While that's a fine benchmark to _also_ optimize for, that is never actually what people are doing. You don't sacrifice your 99.9% case for a .1% case that never happens in practice. So benchmarks should focus on the common case.

      2 replies 0 retweets 8 likes
    6. bernielomax‏ @bernielomax Jun 16
      Replying to @cmuratori

      The majority of the planet do not stick to 7-bit ascii. It's far from theoretical to "less" a document with pure unicode.

      1 reply 0 retweets 0 likes
    7. Casey Muratori‏ @cmuratori Jun 16
      Replying to @bernielomax

      It has nothing to do with ASCII. I think you're misunderstanding what I'm proposing.

      1 reply 0 retweets 1 like
    8. bernielomax‏ @bernielomax Jun 16
      Replying to @cmuratori

      Ok, you're proposing a sort of dynamically updated texture atlas I hope. I just pray it doesn't choke as soon as I try to print korean text.

      1 reply 0 retweets 0 likes
    9. bernielomax‏ @bernielomax Jun 16
      Replying to @bernielomax @cmuratori

      (and reason I hint to ascii is because you're trying to optimize for that case. I concur, it should. But not at the expense of full unicode support)

      1 reply 0 retweets 0 likes
      Casey Muratori‏ @cmuratori Jun 16
      Replying to @bernielomax

      No, I'm not. I'm saying that you take each Unicode codepoint you encounter, you look it up in a hash, and if it matches something in the atlas, you output that index. If it doesn't, you rasterize into a new slot in the Atlas.

      7:55 PM - 16 Jun 2021
      • 4 Likes
      • Ivan Braidi Dmitrii bc1n0
      1 reply 0 retweets 4 likes
        1. New conversation
        2. bernielomax‏ @bernielomax Jun 16
          Replying to @cmuratori

          Okay, try that.

          1 reply 0 retweets 0 likes
        3. bernielomax‏ @bernielomax Jun 16
          Replying to @bernielomax @cmuratori

          So take Chinese and Korean book and paste them into the buffer, and scroll up and down without jitter. Now it's just sort of jittery but we can do better.

          1 reply 0 retweets 0 likes
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