From d7d71e8a6660331494cca42b0b1eb002c00338e9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Gr=C3=A4=C3=9Flin?= <mgraesslin@kde.org>
Date: Wed, 18 Jun 2014 14:13:42 +0200
Subject: [PATCH] [declarativeimports/core] Do not crash if
 FadingMaterialShader failed to complie

Without GLSL our shader doesn't compile and Qt aborts when accessing the
uniforms. We don't want that, abort is never nice.

BUG: 336272
REVIEW: 118813
---
 src/declarativeimports/core/fadingnode.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/declarativeimports/core/fadingnode.cpp b/src/declarativeimports/core/fadingnode.cpp
index 0c41ec1f4..273e333f2 100644
--- a/src/declarativeimports/core/fadingnode.cpp
+++ b/src/declarativeimports/core/fadingnode.cpp
@@ -101,6 +101,10 @@ void FadingMaterialShader::updateState(const FadingMaterialState* newState, cons
 
 void FadingMaterialShader::initialize()
 {
+    if (!program()->isLinked()) {
+        // shader not linked, exit otherwise we crash, BUG: 336272
+        return;
+    }
     QSGSimpleMaterialShader< FadingMaterialState >::initialize();
     glFuncs = QOpenGLContext::currentContext()->functions();
     program()->bind();