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Refresh all background instances after suspend if needed

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NVIDIA drivers don't preserve FBO contents across suspend / resume
cycles which results in broken backgrounds. We can work around that by
forcing a refresh when coming out of suspend.

https://bugzilla.gnome.org/show_bug.cgi?id=739178
This commit is contained in:
Rui Matos
2015-03-19 15:46:08 +01:00
parent 2d71456944
commit c3bf4a325d
3 changed files with 48 additions and 0 deletions
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13
js/ui/layout.js
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@ -11,6 +11,7 @@ const St = imports.gi.St;
const Background = imports.ui.background;
const BackgroundMenu = imports.ui.backgroundMenu;
const LoginManager = imports.misc.loginManager;
const DND = imports.ui.dnd;
const Main = imports.ui.main;
@ -273,6 +274,18 @@ const LayoutManager = new Lang.Class({
global.screen.connect('in-fullscreen-changed',
Lang.bind(this, this._updateFullscreen));
this._monitorsChanged();
// NVIDIA drivers don't preserve FBO contents across
// suspend/resume, see
// https://bugzilla.gnome.org/show_bug.cgi?id=739178
if (Shell.util_need_background_refresh()) {
LoginManager.getLoginManager().connect('prepare-for-sleep',
function(lm, suspending) {
if (suspending)
return;
Meta.Background.refresh_all();
});
}
},
// This is called by Main after everything else is constructed