1842708 - Strange glitch on backdrop-filter with gif

Status: UNCONFIRMED

(Core :: Graphics: WebRender, defect, P3)

Description

[Zéfling]

Attachment: Scroll on page with the glitch

User Agent: Mozilla/5.0 (X11; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/117.0

Steps to reproduce:

Go to https://ikilote.net and scroll to the gif

Actual results:

Glitches appear randomly above and below the gif (see the video). It disappears on I remove backdrop-filter: blur(3px); from the cadre_central class

Expected results:

A rendering without glitch.

Comment 1

[BugBot [:suhaib / :marco/ :calixte]]

The Bugbug bot thinks this bug should belong to the 'Core::Graphics: WebRender' component, and is moving the bug to that component. Please correct in case you think the bot is wrong.

Comment 2

[Bob Hood [:bhood]]

Zéfling, can you please post the output of your about:support to this report when you get a chance?

Comment 3

[Zéfling]

Attachment: about:support

Comment 4

[Zéfling]

Attachment: about:support (fx 115)