1521022 - [Wayland] Rounded transparent titlebar corners get darker and sharper when cursor interacts with titlebar

Status: RESOLVED WORKSFORME

(Core :: Widget: Gtk, defect, P3)

Description

[Kestrel]

Attachment: corner-sharpening.webm

Ubuntu 18.10, Wayland, Yaru theme, default Firefox theme and titlebar enabled.
mozilla.widget.use-argb-visuals = true

STR:

1. Repeatedly move cursor left-right into titlebar-buttonbox-container and watch the right titlebar corner get darker.
2. Move cursor outside titlebar and the corner returns to normal transparency.

With Wayland backend enabled it is easier to trigger anywhere in the titlebar and more persistent, with both corners affected.

Does not happen with WebRender enabled (XWayland).

Regression window:
https://hg.mozilla.org/integration/autoland/pushloghtml?fromchange=95e537f26ef23ef6732f28ad2c368c764fc35f49&tochange=9018fc1a4598c2726a535c64943b2b82db067775

Regressed by: Bug 1507423

Comment 1

[Martin Stránský [:stransky] (ni? me)]

Yes, I can see that.

Comment 2

[Pascal Chevrel:pascalc]

Kestrel, is that still an issue?

Comment 3

[Martin Stránský [:stransky] (ni? me)]

It's still here but it's Wayland only.

Comment 4

[Pascal Chevrel:pascalc]

Martin, given that 67 will be released after Fedora 30 (which I believe ships mid April?), is it safe to assume that Wayland support for Firefox is now targeting Fedora 31 and there will be no wayland uplift requests to 67?

Comment 5

[Martin Stránský [:stransky] (ni? me)]

(In reply to Pascal Chevrel:pascalc from comment #4)

Martin, given that 67 will be released after Fedora 30 (which I believe
ships mid April?), is it safe to assume that Wayland support for Firefox is
now targeting Fedora 31 and there will be no wayland uplift requests to 67?

You're right, there's no need to uplift Wayland patches to 67. Would be good to have 68 in a good shape on Wayland as it becomes next ESR, next Thunderbird may be based on it and so on.

Comment 6

[Pascal Chevrel:pascalc]

Thanks Martin, I'll mark Wayland regressions as wontfix for 67 then.

Comment 7

[Robert Mader [:rmader]]

I can't reproduce this on Wayland any more, neither using basic nor Webrender.