Avoid painting lots of small rects in WebLayer painting
Created attachment 176826 [details] Patch
Comment on attachment 176826 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=176826&action=review > Source/WebCore/platform/graphics/mac/WebLayer.mm:106 > + const FloatRect& currRect = dirtyRects[i]; curr? :\ > Source/WebCore/platform/graphics/mac/WebLayer.mm:114 > + layerContents->platformCALayerPaintContents(graphicsContext, enclosingIntRect(clipBounds)); Shouldn't this be the union of the rects instead?
<rdar://problem/12773043>
http://trac.webkit.org/changeset/136174