Open Bug 1439710 Opened 7 years ago Updated 2 years ago

object-position and animations

Categories

(Core :: DOM: Animation, defect, P3)

58 Branch
defect

Tracking

()

UNCONFIRMED

People

(Reporter: markzank, Unassigned)

Details

User Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:58.0) Gecko/20100101 Firefox/58.0 Build ID: 20180206200532 Steps to reproduce: Any animation using object-position to pan thru an image bigger than its container, modality object-fit:cover : @keyframes simpleanimation { from { object-position:left top; } to { object-position:right bottom; } } Actual results: Image wobbles during the whole animation, alternating base pixels with +-1 difference. Expected results: No continuous alternating rounding errors of 1 pixel, just a steady animation (chrome works perfectly).
Component: Untriaged → DOM: Animation
Product: Firefox → Core
Priority: -- → P3
Severity: normal → S3
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