1684586 - window controls not visible when widget.dmabuf-textures.enabled is set to true

Status: RESOLVED WORKSFORME

(Core :: Widget: Gtk, defect, P5)

Description

[Leo_sk]

User Agent: Mozilla/5.0 (X11; Linux x86_64; rv:86.0) Gecko/20100101 Firefox/86.0

Steps to reproduce:

1. Set widget.dmabuf-textures.enabled to true
2. Restart firefox

Actual results:

Window controls are not visible (but work when appropriate area is clicked)

Expected results:

Window controls should be visible

Comment 1

[Leo_sk]

Using latest KDE plasma with x.org, MOZ_X11_EGL=1

Comment 2

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

Bugbug thinks this bug should belong to this component, but please revert this change in case of error.

Comment 3

[Darkspirit]

bug 1627674 had been closed half a year before this bug was filed.
There has also been bug 1776889.
widget.dmabuf-textures.enabled is a Nightly-only debug pref which should be left disabled.

WFM on KDE X11, Debian Testing, Intel:
MOZ_X11_EGL=1 MOZ_DISABLE_CONTENT_SANDBOX=1 mozregression --launch 2020-12-30 --pref widget.dmabuf-textures.enabled:true browser.tabs.drawInTitlebar:true
MOZ_X11_EGL=1 MOZ_DISABLE_CONTENT_SANDBOX=1 mozregression --launch 2020-12-29 --pref widget.dmabuf-textures.enabled:true browser.tabs.drawInTitlebar:true
MOZ_X11_EGL=1 MOZ_DISABLE_CONTENT_SANDBOX=1 mozregression --launch 2020-12-28 --pref widget.dmabuf-textures.enabled:true browser.tabs.drawInTitlebar:true
MOZ_X11_EGL=1 MOZ_DISABLE_CONTENT_SANDBOX=1 mozregression --launch 2020-12-20 --pref widget.dmabuf-textures.enabled:true browser.tabs.drawInTitlebar:true
mozregression --launch 2023-05-30 --pref widget.dmabuf-textures.enabled:true