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
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Latin codepoint sequences like î̂n̂̂ show the same diacritic at 4 different positions. (Arabic/Thai/Indic generalize this) On low-DPI displays at small sizes a layout engine wants to hint & subpixel-rasterize the glyphs via e.g. DirectWrite/FT. These interact with colouring too.pic.twitter.com/vH52bl5iGI
These get rolled into your cache. This has nothing to do with the renderer, unless you want to actually rasterize in the renderer, which you can also do (and is not actually hard, but I didn't want to suggest that because it already sounded like they were in over their heads)
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