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CGDisplayChangeSummaryFlags

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CGDisplayChangeSummaryFlags

Subject: CGDisplayChangeSummaryFlags
From: Trygve Inda <email@hidden>
Date: Thu, 23 Sep 2010 09:49:48 +0000
Thread-topic: CGDisplayChangeSummaryFlags

In my DisplayReconfigurationCallBack, the CGDisplayChangeSummaryFlags has
bit 13 set when the GPU changes on an i5/i7 Mac. Only bits 0-12 are defined
in the header.

Is this documented anywhere else?

During a GPU switch I get:

1st:  8478  kCGDisplayMovedFlag
            kCGDisplaySetMainFlag
            kCGDisplaySetModeFlag
            kCGDisplayAddFlag
            kCGDisplayEnabledFlag
            bit 13

2nd:  8736  kCGDisplayRemoveFlag
            kCGDisplayDisabledFlag
            bit 13

I've never seen bit 13 set on any other system during this callback.

Thanks,

Trygve


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