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What equipment can support the CADisplayLink class?

I am making a game with an iPhone. I found that iPhone OS 3.1 supports v-sync with the CADisplayLink class. I believe that v-sync is the perfect solution for gaming graphics, I will use it only. (no return to NSTimer) But the SDK doc says this too; CADisplayLink is only supported in OS 3.1.

Is there a hardware model that cannot support the CADisplayLink class?

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I don’t know if there is a hardware model that cannot support CADisplayLink, but we saw improvements using it in 3DAR on the following devices:

iPhone4 / iOS 4.1 3GS / iOS 4.0 3G / OS 3.1.2 Original / OS 3.1.3

I am very pleased with my performance and simplicity.

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I had problems with iPhone 3G and iPod touch (1st Gene) running iOS 3.1.3. Although I'm not quite sure if CADisplayLink really a problem. I can’t check it myself, and users won’t send me a crash report.

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Source: https://habr.com/ru/post/1299952/

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