When Native Core Image Rendering is enabled it indicates that the filters render directly to the destination context. I understand this, but I don't understand what it is rendering to if it's not rendering to the destination context. I am basically seeking an explanation of "what exactly is happening to impact performance to this extent". I've looked through the Core Image Filter reference pages, and all of the applicable Quartz Composer pages, and am wondering if anyone has a link to the definitive page on this, because I think I may be overlooking something. It seems that it is changing the way that color correction happens? It seems that enabling Native CI Rendering is making it do more color correction checks at each step, or one giant color correction step before the renderer?
Thank you, this is very basic, but it's never been completely clear to me what is going on under the hood with this. Best regards, George Toledo
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