105609 2012-12-20 20:39:22 -0800 Implement blend mode for accelerated canvas with Core Graphics 2022-07-18 15:19:57 -0700 1 1 1 Unclassified WebKit Canvas 528+ (Nightly build) Mac OS X 10.8 RESOLVED MOVED InRadar P2 Normal --- 100070 100069 1 cabanier webkit-unassigned bfulgham krit mihnea rniwa rosca simon.fraser thorton webkit-bug-importer oldest_to_newest 796106 0 cabanier 2012-12-20 20:39:22 -0800 When cgcontext is created with an IOSurfaceRef instead of a CGBitmapContext, certain blend modes either don't work or work incorrectly. Wrong blend modes: color-burn and color-dodge Non working mode: hue, color, saturation and luminosity To reproduce, drop attached file in LayoutTests/fast/canvas/script-tests and run the test. You can also reproduce by opening ayoutTests/fast/canvas/canvas-blend-solid.html in webkit and make sure that accelerated canvas is enabled in the debug menu. 796107 1 180472 cabanier 2012-12-20 20:39:49 -0800 Created attachment 180472 updated script test 796113 2 cabanier 2012-12-20 20:48:12 -0800 Also reported as radar 12922671 844323 3 cabanier 2013-02-28 12:01:02 -0800 (In reply to comment #2) > Also reported as radar 12922671 I attached a small test application that demonstrates the issue 844324 4 cabanier 2013-02-28 12:01:20 -0800 (In reply to comment #3) > (In reply to comment #2) > > Also reported as radar 12922671 > > I attached a small test application that demonstrates the issue (to the radar bug :-)) 1884918 5 bfulgham 2022-07-18 15:18:48 -0700 <rdar://12922671> 1884919 6 bfulgham 2022-07-18 15:19:57 -0700 The fix for this issue was outside of the WebKit Open Source project. 180472 2012-12-20 20:39:49 -0800 2012-12-20 20:39:49 -0800 updated script test canvas-blend-solid.js 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