[Webkit-unassigned] [Bug 238513] New: [GTK] EGLDisplay Initialization failed on Ubuntu 22.04

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=238513

            Bug ID: 238513
           Summary: [GTK] EGLDisplay Initialization failed on Ubuntu 22.04
           Product: WebKit
           Version: Other
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKitGTK
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: jbicha at ubuntu.com
                CC: bugs-noreply at webkitgtk.org

webkit2gtk 2.35.90-1ubuntu1
Ubuntu 22.04 Beta

I am reporting this Ubuntu bug here for tracking.

All webkitgtk using apps just show a blank webview (either light with a light theme or dark with a dark theme). The cursor does change when hovering over invisible links.

When run from the command line this shows:
EGLDisplay Initialization failed: EGL_NOT_INITIALIZED
Cannot create EGL context: invalid display (last error: EGL_SUCCESS)

This only happens when logged into a GNOME/Ubuntu on Wayland session. Either running in an Xorg session or with the WEBKIT_DISABLE_COMPOSITING_MODE=1 prefix works around the problem.

Other Information
=================
I believe this bug was triggered by the recent upgrade to mesa 22.0.

I think it might only affect Intel graphics.

My system according to GNOME has
Intel® Core™ i5-10310U CPU
Mesa Intel® UHD Graphics (CML GT2)

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