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  • andersca@apple.com's avatar
    2011-01-18 Anders Carlsson <andersca@apple.com> · 9c57db95
    andersca@apple.com authored Jan 19, 2011
            Reviewed by Darin Adler.
    
            Use a CGLayer for the backing store when possible
            https://bugs.webkit.org/show_bug.cgi?id=52679
    
            * UIProcess/mac/BackingStoreMac.mm:
            (WebKit::BackingStore::paint):
            If there is a layer, paint it into the given context.
    
            (WebKit::BackingStore::backingStoreContext):
            If we can get the containing window graphics context, use it to create a 
            CGLayer that we'll use for the backing store.
    
            (WebKit::BackingStore::scroll):
            Paint the layer into itself.
    
            * UIProcess/mac/WebPageProxyMac.mm:
            (WebKit::WebPageProxy::containingWindowGraphicsContext):
            Call the page client.
    
    
    git-svn-id: http://svn.webkit.org/repository/webkit/trunk@76080 268f45cc-cd09-0410-ab3c-d52691b4dbfc
    9c57db95