Check in initialize if OpenGl context can be created

Change-Id: I224c2559c1e65cfc3b699e7ec7b56dee8308bd83
Task-number: QTCREATORBUG-15101
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@digia.com>
Reviewed-by: Eike Ziller <eike.ziller@theqtcompany.com>

src/plugins/qmldesigner/qmldesignerplugin.cpp

@@ -60,6 +60,7 @@
 #include <qplugin.h>
 #include <QDebug>
 #include <QProcessEnvironment>
+#include <QOpenGLContext>
 
 namespace QmlDesigner {
 
@@ -125,8 +126,10 @@ QmlDesignerPlugin::~QmlDesignerPlugin()
 ////////////////////////////////////////////////////
 bool QmlDesignerPlugin::initialize(const QStringList & /*arguments*/, QString *errorMessage/* = 0*/) // =0;
 {
-    if (errorMessage)
+    if (!QOpenGLContext().create()) {
-        errorMessage->clear();
+        *errorMessage = tr("Cannot create OpenGL context.");
+        return false;
+    }
 
     data = new QmlDesignerPluginData;
 

src/plugins/qmlprofiler/qmlprofilerplugin.cpp

@@ -37,6 +37,7 @@
 #include <analyzerbase/analyzermanager.h>
 #include <extensionsystem/pluginmanager.h>
 
+#include <QOpenGLContext>
 #include <QtPlugin>
 
 using namespace Analyzer;
@@ -50,7 +51,11 @@ QmlProfilerPlugin *QmlProfilerPlugin::instance = 0;
 bool QmlProfilerPlugin::initialize(const QStringList &arguments, QString *errorString)
 {
     Q_UNUSED(arguments)
-    Q_UNUSED(errorString)
+
+    if (!QOpenGLContext().create()) {
+        *errorString = tr("Cannot create OpenGL context.");
+        return false;
+    }
 
     auto tool = new QmlProfilerTool(this);
     auto widgetCreator = [tool] { return tool->createWidgets(); };