From: Adel Gadllah <adel.gadllah@gmail.com>
Date: Thu, 24 Jul 2014 13:40:19 +0000 (+0200)
Subject: lightbox: Do not assume GLSL is available
X-Git-Tag: archive/raspbian/50.5-1+rpi1~1^2~1013^2^2~2316
X-Git-Url: https://dgit.raspbian.org/%22http://www.example.com/cgi/%22/%22http:/www.example.com/cgi/%22?a=commitdiff_plain;h=9a05aea76f593afa8977abdfe0e4e7df720158e3;p=gnome-shell.git

lightbox: Do not assume GLSL is available

Some hardware does not support it causing crashes in cogl during paint.

https://bugzilla.gnome.org/show_bug.cgi?id=733623
---

diff --git a/js/ui/lightbox.js b/js/ui/lightbox.js
index 4b07debad..2188b23b3 100644
--- a/js/ui/lightbox.js
+++ b/js/ui/lightbox.js
@@ -105,8 +105,8 @@ const Lightbox = new Lang.Class({
         this._container = container;
         this._children = container.get_children();
         this._fadeFactor = params.fadeFactor;
-        this._radialEffect = params.radialEffect;
-        if (params.radialEffect)
+        this._radialEffect = Clutter.feature_available(Clutter.FeatureFlags.SHADERS_GLSL) && params.radialEffect;
+        if (this._radialEffect)
             this.actor = new RadialShaderQuad({ x: 0,
                                                 y: 0,
                                                 reactive: params.inhibitEvents });