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ScreenShield: blur and desaturate the screenshield background

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The background is the same as the normal desktop, so we blur and
desaturate it to clearly show that it's not the normal system state.

Includes a noticeable slowdown due to GLSL shading and FBO redirection.

https://bugzilla.gnome.org/show_bug.cgi?id=681143
This commit is contained in:
Giovanni Campagna 2012-08-03 18:40:11 +02:00
parent a29ceaa8ec
commit 2f990346df
1 changed files with 3 additions and 2 deletions
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5
js/ui/screenShield.js
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@ -278,9 +278,10 @@ const ScreenShield = new Lang.Class({
Lang.bind(this, this._onLockScreenKeyRelease));
this._background = Meta.BackgroundActor.new_for_screen(global.screen);
this._lockScreenGroup.add_actor(this._background);
this._background.add_effect(new Clutter.BlurEffect());
this._background.add_effect(new Clutter.DesaturateEffect({ factor: 0.6 }));
// FIXME: build the rest of the lock screen here
this._lockScreenGroup.add_actor(this._background);
this._arrow = new St.DrawingArea({ style_class: 'arrow',
reactive: true,