Re: CGLayer resolution on iPhone with Retina display
Re: CGLayer resolution on iPhone with Retina display
- Subject: Re: CGLayer resolution on iPhone with Retina display
- From: Matt Neuburg <email@hidden>
- Date: Sun, 29 Aug 2010 11:21:58 -0700
- Thread-topic: CGLayer resolution on iPhone with Retina display
On or about 8/28/10 9:31 PM, thus spake "David Duncan"
<email@hidden>:
> it is usually far more
> useful to use a hardware cache, which means CALayer or UIView, not CGLayer.
Sorry to keep coming back to this, but the documentation implies that
CGLayer *is* a hardware cache - that's why I was using it. For example, the
documentation says:
> Before you call this or any routine that uses CGLayer objects, you must check
> to make sure that the system is running Mac OS X v10.4 or later and has a
> graphics card that supports using CGLayer objects
This suggests that CGLayer is implemented in hardware; otherwise surely the
check for a proper graphics card wouldn't be necessary? But perhaps I'm
misunderstanding.... m.
--
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