Say hello to the scene graph sanity-tests for rendering

Change-Id: I5d975735b0975f284b8aee15541f208e3deb704f
Reviewed-by: Alan Alpert <aalpert@blackberry.com>

5 files changed, 477 insertions, 0 deletions

diff --git a/tests/auto/quick/scenegraph/data/RenderTestBase.qml b/tests/auto/quick/scenegraph/data/RenderTestBase.qml
new file mode 100644
index 0000000000..06e5f7c6e3
--- /dev/null
+++ b/tests/auto/quick/scenegraph/data/RenderTestBase.qml
@@ -0,0 +1,84 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: 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.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.2
+
+Item
+{
+    id: root
+
+    width: 200
+    height: 200
+
+    signal enterFinalStage
+
+    property bool finalStageComplete: false;
+
+    /* What comes below is some convenience for running the .qml files s
+     * standalone using qmlscene. This can be quite handy when debugging
+     * issues.
+     */
+
+    onFinalStageCompleteChanged: {
+        if (typeof suite == 'undefined') {
+            print("-> final stage complete");
+        }
+    }
+
+    Component.onCompleted: {
+        if (typeof suite == 'undefined') {
+            print("-> not running in testsuite, now in initial state")
+            suiteFaker.running = true;
+        }
+    }
+
+    Timer {
+        id: suiteFaker
+        running: false;
+        interval: 1000
+        repeat: false;
+        onTriggered: {
+            print("-> entering final stage")
+            enterFinalStage();
+        }
+    }
+
+}
diff --git a/tests/auto/quick/scenegraph/data/render_BreakOpacityBatch.qml b/tests/auto/quick/scenegraph/data/render_BreakOpacityBatch.qml
new file mode 100644
index 0000000000..a43d7c5449
--- /dev/null
+++ b/tests/auto/quick/scenegraph/data/render_BreakOpacityBatch.qml
@@ -0,0 +1,83 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: 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.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.2
+
+/*
+    The test verifies that batches of translucent items get split
+    into multiple batches when an item in them change opacity.
+
+                 PixelPos     R    G    B    Error-tolerance
+    #base:         0   0     1.0  0.5  0.5        0.05
+    #base:       100   0     0.5  0.5  1.0        0.05
+    #base:         0 100     1.0  0.5  0.5        0.05
+    #base:       100 100     0.5  0.5  1.0        0.05
+    #final:        0   0     1.0  0.5  0.5        0.05
+    #final:      100   0     0.1  0.1  1.0        0.05
+    #final:        0 100     1.0  0.5  0.5        0.05
+    #final:      100 100     0.9  0.9  1.0        0.05
+
+    #samples: 8
+*/
+
+RenderTestBase {
+
+    Item {
+        Rectangle { id: redUnclipped;  opacity: 0.5; width: 50; height: 50; color: "red" }
+        Rectangle { id: blueUnclipped; opacity: 0.5; width: 50; height: 50; color: "blue"; x: 100 }
+    }
+
+    Item {
+        clip: true;
+        y: 100
+        width: 200
+        height: 100
+        Rectangle { id: redClipped;  opacity: 0.5; width: 50; height: 50; color: "red" }
+        Rectangle { id: blueClipped; opacity: 0.5; width: 50; height: 50; color: "blue"; x: 100 }
+    }
+
+    onEnterFinalStage: {
+        blueUnclipped.opacity = 0.9
+        blueClipped.opacity = 0.1
+        finalStageComplete = true;
+    }
+
+}
diff --git a/tests/auto/quick/scenegraph/data/render_DrawSets.qml b/tests/auto/quick/scenegraph/data/render_DrawSets.qml
new file mode 100644
index 0000000000..7515bcf95a
--- /dev/null
+++ b/tests/auto/quick/scenegraph/data/render_DrawSets.qml
@@ -0,0 +1,113 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: 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.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.2
+
+/*
+   The purpose of the test is to verify that a batch of more than 64K
+   vertices gets split into multiple drawsets and still rendered correctly.
+   Both the clipped and unclipped batches have 50.000 rectangles resulting
+   in 200.000 vertices in each batch, which should be plenty..
+
+   #samples: 8
+
+                PixelPos     R    G    B    Error-tolerance
+   #base:         0   0     1.0  0.0  0.0        0.0
+   #base:        99 199     1.0  0.0  0.0        0.0
+   #base:       100   0     0.0  0.0  0.0        0.0
+   #base:       199 199     0.0  0.0  0.0        0.0
+   #final:        0   0     0.0  0.0  1.0        0.0
+   #final:       99 199     0.0  0.0  1.0        0.0
+   #final:      100   0     0.0  1.0  0.0        0.0
+   #final:      199 199     0.0  1.0  0.0        0.0
+*/
+
+RenderTestBase
+{
+    id: root
+
+    Grid {
+        id: clipped
+        width: 100
+        height: 500
+        clip: true
+        columns: 100
+        Repeater {
+            id: clippedRepeater
+            model: clipped.width * clipped.height
+            Rectangle {
+                width: 1
+                height: 1
+                color: index < clippedRepeater.model / 2 ? "red" : "blue";
+            }
+        }
+    }
+
+    Grid {
+        id: unclipped
+        x: 100
+        width: 100
+        height: 500
+        clip: true
+        columns: 100
+        Repeater {
+            id: unclippedRepeater
+            model: unclipped.width * unclipped.height
+            Rectangle {
+                width: 1
+                height: 1
+                color: index < unclippedRepeater.model / 2 ? "black" : "#00ff00";
+            }
+        }
+    }
+
+    SequentialAnimation {
+        id: animation
+        NumberAnimation { target: clipped; property: "y"; from: 0; to: -clipped.height + root.height; duration: 100 }
+        NumberAnimation { target: unclipped; property: "y"; from: 0; to: -unclipped.height + root.height; duration: 100 }
+        PropertyAction { target: root; property: "finalStageComplete"; value: true; }
+    }
+
+    onEnterFinalStage: {
+        animation.running = true;
+
+    }
+}
diff --git a/tests/auto/quick/scenegraph/data/render_MovingOverlap.qml b/tests/auto/quick/scenegraph/data/render_MovingOverlap.qml
new file mode 100644
index 0000000000..562f367500
--- /dev/null
+++ b/tests/auto/quick/scenegraph/data/render_MovingOverlap.qml
@@ -0,0 +1,109 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: 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.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.2
+
+/*
+    This test verifies that items that go from being batched because
+    of no overlap will be split into multiple batches because of an
+    overlap and that no rendering errors occur as a result of this.
+
+    #samples: 8
+                 PixelPos     R    G    B    Error-tolerance
+    #base:         0   0     0.0  0.0  0.0       0.0
+    #base:        10  10     0.5  0.0  0.0       0.05
+    #base:       100 100     0.0  0.0  0.0       0.0
+    #base:       110 110     0.5  0.0  0.0       0.05
+    #final:       40  40     0.0  0.0  0.0       0.0
+    #final:       50  50     0.5  0.0  0.0       0.05
+    #final:       60  60     0.0  0.0  0.0       0.0
+    #final:       70  70     0.5  0.0  0.0       0.05
+*/
+
+RenderTestBase {
+    id: root
+
+    Rectangle {
+        id: one
+        x: 0
+        y: x
+        width: 80
+        height: 80
+        color: "black"
+
+        Rectangle {
+            anchors.fill: parent
+            anchors.margins: 10
+            color: "red"
+            opacity: 0.5
+        }
+    }
+
+    Rectangle {
+        id: two
+        x: 100
+        y: x
+        width: 80
+        height: 80
+        color: "black"
+
+        Rectangle {
+            anchors.fill: parent
+            anchors.margins: 10
+            color: "red"
+            opacity: 0.5
+        }
+    }
+
+    SequentialAnimation {
+        id: animation
+        ParallelAnimation {
+            NumberAnimation { target: one; property: "x"; from: 0; to: 40; duration: 100 }
+            NumberAnimation { target: two; property: "x"; from: 100; to: 60; duration: 100 }
+        }
+        PropertyAction { target: root; property: "finalStageComplete"; value: true; }
+    }
+
+    onEnterFinalStage: {
+        animation.running = true;
+    }
+
+}
diff --git a/tests/auto/quick/scenegraph/data/render_Overlap.qml b/tests/auto/quick/scenegraph/data/render_Overlap.qml
new file mode 100644
index 0000000000..8047114833
--- /dev/null
+++ b/tests/auto/quick/scenegraph/data/render_Overlap.qml
@@ -0,0 +1,88 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: 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.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.2
+
+/*
+    The test verifies that batching does not interfere with overlapping
+    regions.
+
+    #samples: 4
+                 PixelPos     R    G    B    Error-tolerance
+    #base:        20  20     0.0  0.0  0.0        0.0
+    #base:        30  30     0.5  0.0  0.0        0.05
+    #final:       50  50     0.0  0.0  0.0        0.0
+    #final:       60  60     0.5  0.0  0.0        0.05
+*/
+
+RenderTestBase
+{
+    Rectangle {
+        x: 20
+        y: 20
+        width: 80
+        height: 80
+        color: "black"
+
+        Rectangle {
+            anchors.fill: parent
+            anchors.margins: 10
+            color: "red"
+            opacity: 0.5
+        }
+    }
+
+    Rectangle {
+        x: 50
+        y: 50
+        width: 80
+        height: 80
+        color: "black"
+        Rectangle {
+            anchors.fill: parent
+            anchors.margins: 10
+            color: "red"
+            opacity: 0.5
+        }
+    }
+
+    finalStageComplete: true
+}