HDR seems broken for iOS on macOS using M2 MBP.

Graphics & Games General
Alecazam OP
Created Jun ’23
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Trying to test HDR running an EDR-capable iOS app on macOS. This is running on the same M2 MBP.

On macOS, NSScreen.maximumPotentialExtendedDynamciRangeColorComponentValue returns 16. That's what I'd expect on a mini-led display like this one.

On iOS on macOS, UIScreen.potentialEDRHeadroom reports 1.0. That's not correct.

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Alecazam OP
Jun ’23

My iPad Air 3 reports 2x for UIScreen.potentialEDRHeadroom. So then I activate HDR mode. I'd like to do the same for the app running atop an M2.

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HDR seems broken for iOS on macOS using M2 MBP.
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