we have well-understood "perfect" algorithms for scaling 1280x720 samples to 1366x768 samples, such that lighting up an LCD pixel will reproduce the "same" continuous function whether you're lighting up 1280x720 pixels, or 1366x768 pixels, or even 1920x1080 pixels

That can't possibly be true, unless you assume your continuous function entirely lacks high-frequency components -- you end up seriously degrading areas of high detail, which was the reason you bought a HDTV in the first place. Try enlarging a highly-detailed photo by 7% in the image editor of your choice.
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Matthew Garrett

About Matthew

Power management, mobile and firmware developer on Linux. Security developer at Google. Member of the Free Software Foundation board of directors. Ex-biologist. @mjg59 on Twitter. Content here should not be interpreted as the opinion of my employer.

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