Re: The iPhone SDK "OpenGL ES Application" template
Re: The iPhone SDK "OpenGL ES Application" template
- Subject: Re: The iPhone SDK "OpenGL ES Application" template
- From: David Duncan <email@hidden>
- Date: Tue, 21 Jul 2009 14:06:35 -0700
On Jul 21, 2009, at 2:01 PM, Alexander Spohr wrote:
I am very interested to know
- why it should be faster to do it in OpenGL
If you use the built in orientation support, then we place a transform
on the view's layer. A transform on OpenGL content will force your
rendering onto a slower path on some devices.
- how you do it in OpenGL
You need to register for UIDevice orientation notifications and use
those notifications to rotate your modelview matrix.
--
David Duncan
Apple DTS Animation and Printing
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