Relax ShaderEffectSource's sourceItem vs window handling.

For dynamically loaded items, the window may not be set
on either the source or the item, so we need to be a bit
more relaxed in our checking.

This fixes a regression for dynamically loaded GaussianBlur.

Change-Id: I3e888405a95058ca79ecd2dff42c0ed4c8fff065
Reviewed-by: Laszlo Agocs <laszlo.agocs@digia.com>

1 files changed, 82 insertions, 0 deletions

diff --git a/tests/auto/qmltest/shadersource/tst_DynamicallyCreatedSource.qml b/tests/auto/qmltest/shadersource/tst_DynamicallyCreatedSource.qml
new file mode 100644
index 0000000000..2042afa2c5
--- /dev/null
+++ b/tests/auto/qmltest/shadersource/tst_DynamicallyCreatedSource.qml
@@ -0,0 +1,82 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 Gunnar Sletta <gunnar@sletta.org>
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL21$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia. For licensing terms and
+** conditions see http://qt.digia.com/licensing. For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file. Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights. These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.0
+import QtTest 1.0
+
+Item {
+    id: root
+
+    width: 100
+    height: 62
+
+    Rectangle {
+        id: rect
+        anchors.fill: parent
+        color: "red"
+        visible: false
+    }
+
+    Component {
+        id: component;
+        ShaderEffectSource { anchors.fill: parent }
+    }
+
+    property var source: undefined;
+
+    Timer {
+        id: timer
+        interval: 100
+        running: true
+        onTriggered: {
+            var source = component.createObject();
+            source.sourceItem = rect;
+            source.parent = root;
+            root.source = source;
+        }
+    }
+
+    TestCase {
+        id: testcase
+        name: "shadersource-dynamic-shadersource"
+        when: root.source != undefined
+
+        function test_endresult() {
+            var image = grabImage(root);
+            compare(image.red(0,0), 255);
+            compare(image.green(0,0), 0);
+            compare(image.blue(0,0), 0);
+        }
+
+    }
+}