image/test/gtest/blend.webp
author Andrew Osmond <aosmond@mozilla.com>
Fri, 02 Nov 2018 15:28:17 -0400
changeset 500768 5fb87d2312ea4881026ecaac6488fbdc2e4a7725
permissions -rw-r--r--
Bug 1504237 - Ensure partial animated frames always use BGRA instead of BGRX. r=tnikkel For decoders which produce unpaletted partial frames (APNG, WebP), the surface format should always be BGRA. These frames while partial, are the same size as the output size of the animated image. When FrameAnimator performs the blend with the compositing frame, it expects all pixels we don't care about to be set to fully transparent. If it is BGRX, they will be set to solid white instead. Differential Revision: https://phabricator.services.mozilla.com/D10753

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