From: Daniel van Vugt <daniel.van.vugt@canonical.com>
Date: Thu, 2 Apr 2020 17:16:27 +0800
Subject: Keep the Ubuntu logo at full brightness during startup animation

Bug-Ubuntu: https://bugs.launchpad.net/bugs/1867133
Forwarded: not-needed
Last-Update: 2020-03-18
---
 js/gdm/loginDialog.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/js/gdm/loginDialog.js b/js/gdm/loginDialog.js
index 6071936..196fab5 100644
--- a/js/gdm/loginDialog.js
+++ b/js/gdm/loginDialog.js
@@ -1260,7 +1260,11 @@ var LoginDialog = GObject.registerClass({
                                         { sortGroup: CtrlAltTab.SortGroup.MIDDLE });
         this.activate();
 
-        this.opacity = 0;
+        // Clutter doesn't yet fully support invisible parents with forced
+        // visible children and will make everything invisible (flicker) on
+        // the first frame if we start at 0. So we start at 1 instead...
+        this.opacity = 1;
+        this._logoBin.set_opacity_override(255);
 
         this._grab = Main.pushModal(global.stage, { actionMode: Shell.ActionMode.LOGIN_SCREEN });
 
@@ -1268,6 +1272,7 @@ var LoginDialog = GObject.registerClass({
             opacity: 255,
             duration: 1000,
             mode: Clutter.AnimationMode.EASE_IN_QUAD,
+            onComplete: () => { this._logoBin.set_opacity_override(-1); },
         });
 
         return true;