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A comment on Microsoft’s HoloLens 2: a $3,500 mixed-reality headset for the factory. Parent comment

Re:Microsoft’s HoloLens 2: a $3,500 mixed-reality headset fo... by jayd16 on Sunday February 24, 2019 @04:30PM (#19240732)
This is kind of expensive actually. Its usually done with a precalculated texture sheet of glyphs which trades memory for shader perf. See: Signed Distance Field
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Re:Microsoft’s HoloLens 2: a $3,500 mixed-reality headset fo... by sguwwochqbib on Sunday February 24, 2019 @04:35PM (#19240757)
ok but a precomputed texture isn't scalable
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Re:Microsoft’s HoloLens 2: a $3,500 mixed-reality headset fo... by jayd16 on Sunday February 24, 2019 @04:47PM (#19240812)
When its an SDF texture it is scalable because the distance function produces continuous data. The aliasing is greatly reduces because data is easily calculable from neighboring pixel samples.

Edit: Here's Valve's Siggraph paper on the technique https://steamcdn-a.akamaihd.net/apps/valve/2007/SIGGRAPH2007...

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