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I'm shocked that nobody has written a program to simulate everything a CRT does in VR. We use ray tracing in modern games to simulate the way light reacts. So why not use ray tracing to simulate the glowing of the phosphor dots in a CRT? You could play retro games without the ugly checkerboarding that happens when modern displays try to run a game that relied on pixel dithering. You could also simulate scanlines, and the warm glow of a CRT this way.

Perhaps such a task is too graphically demanding even for modern GPUs?