From c30a170bb0777e5d5ddc2d45a3ca98d3af0c62c4 Mon Sep 17 00:00:00 2001
From: Martin Jones <martin.jones@nokia.com>
Date: Tue, 31 Jan 2012 13:52:01 +1000
Subject: [PATCH] Handle a null source item being provided to ShaderEffect
Change-Id: Ibb4a141349c85738f1710ecaadb8ab78a00372ae
Reviewed-by: Andrew den Exter <andrew.den-exter@nokia.com>
---
src/quick/items/qquickshadereffect.cpp | 2 ++
1 file changed, 2 insertions(+)
diff --git a/src/quick/items/qquickshadereffect.cpp b/src/quick/items/qquickshadereffect.cpp
index b30c9e93d8..d90d8761c8 100644
--- a/src/quick/items/qquickshadereffect.cpp
+++ b/src/quick/items/qquickshadereffect.cpp
@@ -413,6 +413,8 @@ void QQuickShaderEffect::setSource(const QVariant &var, int index)
}
QObject *obj = qVariantValue<QObject *>(var);
+ if (!obj)
+ return;
QQuickItem *item = qobject_cast<QQuickItem *>(obj);
if (!item || !item->isTextureProvider()) {
qWarning("ShaderEffect: source uniform [%s] is not assigned a valid texture provider: %s [%s]",
--
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