Will OpenGL give me any FPS improvement over CoreAnimation for scrolling a large image?

Posted by Ben Roberts on Stack Overflow See other posts from Stack Overflow or by Ben Roberts
Published on 2009-10-01T09:00:28Z Indexed on 2010/03/21 3:01 UTC
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Hi, I'm considering re-writing the menu system of my iPhone app to use Open GL just to improve the smoothness of scrolling a big image (480x1900px) across the screen.

I'm looking at doing this as a way to improve on using the method/solution as described here (http://stackoverflow.com/questions/1443140/smoother-uiview). This solution was a big improvement over the previous implementation but it's still not perfect and as this is the first thing the user will see I'd like it to be as flawless as possible.

Will switching to OpenGL give me the sort of smooth scrolling I'm looking for? I've stayed clear of OpenGL until now as this is my first app and core animation has handled everything else I've thrown at it well enough, would be good to know if this alternative implementation is likely to work! thanks

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