[Webkit-unassigned] [Bug 249583] [GTK][WPE][Compositing] Dynamically drawn HTML elements are not correctly composed when css-transformed with the EGL renderer

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Sun Feb 5 20:03:45 PST 2023


https://bugs.webkit.org/show_bug.cgi?id=249583

Lauro Moura <lmoura at igalia.com> changed:

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                 CC|                            |lmoura at igalia.com

--- Comment #5 from Lauro Moura <lmoura at igalia.com> ---
Created attachment 464860

  --> https://bugs.webkit.org/attachment.cgi?id=464860&action=review

Test case with animated text and different layout

The issue seems to affect not only webgl and video but also animated plain elements.

Attached is an example adapted from Loic's carousel tests that shows a similar behavior for an animated div with plain text, placed inside the transformed figure, like the other cases.

The test also shows that the issue seems to manifest by clipping pixels on the positive Z-axis. The same behavior happening for video and WebGL elements.

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