In gfx/tests/reftest/1912431-emoji-globalAlpha-ref.html, the <canvas>es with partial CSS opacity fail to render on Android
Categories
(Core :: Graphics: Canvas2D, defect)
Tracking
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People
(Reporter: jfkthame, Unassigned)
References
Details
The recently-added gfx reftest 1912431-emoji-globalAlpha.html fails on Android, because its reference case renders several <canvas> elements with varying degrees of CSS opacity, but on Android, all those with opacity less than 1.0 fail to appear at all in the reftest screenshot.
Example failure: https://treeherder.mozilla.org/jobs?repo=autoland&selectedTaskRun=b9ShARh6Rtuaxe3r9eZyog.0
It's not currently clear to me whether this failure happens when actually viewing such a page on a device (I don't have one on hand for testing), or if it's an artifact of how the reftest screenshots are captured for comparison.
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Updated•3 months ago
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Reporter | |
Comment 1•3 months ago
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It turns out this doesn't fail in all cases; bug 1912431 got backed out (https://bugzilla.mozilla.org/show_bug.cgi?id=1912431#c14) because of "unexpected" passes on Android. Looks like it's the software-webrender jobs that pass (though I marked the test as random-if(Android), thinking at first it was intermittent).
Description
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