You can do analytic antialiasing using the trapezoidal coverage algorithm and conservative rasterization.
Everything is rasterized on CPU, largely because of antialiasing quality concerns. I’m aiming to change that :)
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Am I right in thinking that everything is rasterized (and cached) separately for each font size, too?
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Yup. Each glyph is cached per font, size, and 1/4 pixel boundary (for subpixel positioning).
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