8 files changed, 419 insertions, 0 deletions
diff --git a/examples/quick/scenegraph/fboitem/doc/images/fboitem-example.jpg b/examples/quick/scenegraph/fboitem/doc/images/fboitem-example.jpg
new file mode 100644
index 0000000000..306b8bab20
--- /dev/null
+++ b/examples/quick/scenegraph/fboitem/doc/images/fboitem-example.jpg
diff --git a/examples/quick/scenegraph/fboitem/doc/src/fboitem.qdoc b/examples/quick/scenegraph/fboitem/doc/src/fboitem.qdoc
new file mode 100644
index 0000000000..b5add02991
--- /dev/null
+++ b/examples/quick/scenegraph/fboitem/doc/src/fboitem.qdoc
@@ -0,0 +1,36 @@
+/****************************************************************************
+**
+** Copyright (C) 2017 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the documentation of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:FDL$
+** 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 The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU Free Documentation License Usage
+** Alternatively, this file may be used under the terms of the GNU Free
+** Documentation License version 1.3 as published by the Free Software
+** Foundation and appearing in the file included in the packaging of
+** this file. Please review the following information to ensure
+** the GNU Free Documentation License version 1.3 requirements
+** will be met: https://www.gnu.org/licenses/fdl-1.3.html.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/*!
+    \example scenegraph/fboitem
+    \title Scene Graph - Rendering FBOs
+    \ingroup qtquickexamples
+
+    \brief Shows how to use FramebufferObjects with Qt Quick.
+
+    \image fboitem-example.jpg
+ */
diff --git a/examples/quick/scenegraph/fboitem/fboinsgrenderer.cpp b/examples/quick/scenegraph/fboitem/fboinsgrenderer.cpp
new file mode 100644
index 0000000000..8ba5bddb2a
--- /dev/null
+++ b/examples/quick/scenegraph/fboitem/fboinsgrenderer.cpp
@@ -0,0 +1,85 @@
+/****************************************************************************
+**
+** Copyright (C) 2017 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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 The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** BSD License Usage
+** Alternatively, you may use this file under the terms of the BSD license
+** as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of The Qt Company Ltd nor the names of its
+**     contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "fboinsgrenderer.h"
+#include "logorenderer.h"
+
+#include <QtGui/QOpenGLFramebufferObject>
+
+#include <QtQuick/QQuickWindow>
+#include <qsgsimpletexturenode.h>
+
+class LogoInFboRenderer : public QQuickFramebufferObject::Renderer
+{
+public:
+    LogoInFboRenderer()
+    {
+        logo.initialize();
+    }
+
+    void render() override {
+        logo.render();
+        update();
+    }
+
+    QOpenGLFramebufferObject *createFramebufferObject(const QSize &size) override {
+        QOpenGLFramebufferObjectFormat format;
+        format.setAttachment(QOpenGLFramebufferObject::CombinedDepthStencil);
+        format.setSamples(4);
+        return new QOpenGLFramebufferObject(size, format);
+    }
+
+    LogoRenderer logo;
+};
+
+QQuickFramebufferObject::Renderer *FboInSGRenderer::createRenderer() const
+{
+    return new LogoInFboRenderer();
+}
diff --git a/examples/quick/scenegraph/fboitem/fboinsgrenderer.h b/examples/quick/scenegraph/fboitem/fboinsgrenderer.h
new file mode 100644
index 0000000000..1b92b56851
--- /dev/null
+++ b/examples/quick/scenegraph/fboitem/fboinsgrenderer.h
@@ -0,0 +1,66 @@
+/****************************************************************************
+**
+** Copyright (C) 2017 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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 The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** BSD License Usage
+** Alternatively, you may use this file under the terms of the BSD license
+** as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of The Qt Company Ltd nor the names of its
+**     contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef FBOINSGRENDERER_H
+#define FBOINSGRENDERER_H
+
+#include <QtQuick/QQuickFramebufferObject>
+
+class LogoRenderer;
+
+class FboInSGRenderer : public QQuickFramebufferObject
+{
+    Q_OBJECT
+    QML_NAMED_ELEMENT(Renderer)
+public:
+    Renderer *createRenderer() const;
+};
+
+#endif
diff --git a/examples/quick/scenegraph/fboitem/fboitem.pro b/examples/quick/scenegraph/fboitem/fboitem.pro
new file mode 100644
index 0000000000..e40e5f4cf8
--- /dev/null
+++ b/examples/quick/scenegraph/fboitem/fboitem.pro
@@ -0,0 +1,16 @@
+QT += qml quick
+
+HEADERS += fboinsgrenderer.h
+SOURCES += fboinsgrenderer.cpp main.cpp
+
+INCLUDEPATH += ../shared
+HEADERS += ../shared/logorenderer.h
+SOURCES += ../shared/logorenderer.cpp
+
+RESOURCES += fboitem.qrc
+
+target.path = $$[QT_INSTALL_EXAMPLES]/quick/scenegraph/fboitem
+INSTALLS += target
+
+OTHER_FILES += \
+    main.qml
diff --git a/examples/quick/scenegraph/fboitem/fboitem.qrc b/examples/quick/scenegraph/fboitem/fboitem.qrc
new file mode 100644
index 0000000000..9d9db70654
--- /dev/null
+++ b/examples/quick/scenegraph/fboitem/fboitem.qrc
@@ -0,0 +1,5 @@
+<RCC>
+    <qresource prefix="/scenegraph/fboitem">
+        <file>main.qml</file>
+    </qresource>
+</RCC>
diff --git a/examples/quick/scenegraph/fboitem/main.cpp b/examples/quick/scenegraph/fboitem/main.cpp
new file mode 100644
index 0000000000..056bf24ade
--- /dev/null
+++ b/examples/quick/scenegraph/fboitem/main.cpp
@@ -0,0 +1,69 @@
+/****************************************************************************
+**
+** Copyright (C) 2017 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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 The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** BSD License Usage
+** Alternatively, you may use this file under the terms of the BSD license
+** as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of The Qt Company Ltd nor the names of its
+**     contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QGuiApplication>
+
+#include <QtQuick/QQuickView>
+
+#include "fboinsgrenderer.h"
+
+int main(int argc, char **argv)
+{
+    QGuiApplication app(argc, argv);
+
+    qmlRegisterTypesAndRevisions<FboInSGRenderer>("SceneGraphRendering", 1);
+
+    QQuickView view;
+    view.setResizeMode(QQuickView::SizeRootObjectToView);
+    view.setSource(QUrl("qrc:///scenegraph/fboitem/main.qml"));
+    view.show();
+
+    return app.exec();
+}
diff --git a/examples/quick/scenegraph/fboitem/main.qml b/examples/quick/scenegraph/fboitem/main.qml
new file mode 100644
index 0000000000..92fa99e847
--- /dev/null
+++ b/examples/quick/scenegraph/fboitem/main.qml
@@ -0,0 +1,142 @@
+/****************************************************************************
+**
+** Copyright (C) 2017 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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 The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** BSD License Usage
+** Alternatively, you may use this file under the terms of the BSD license
+** as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of The Qt Company Ltd nor the names of its
+**     contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.0
+
+import SceneGraphRendering 1.0
+
+Item {
+    width: 400
+    height: 400
+
+    // The checkers background
+    ShaderEffect {
+        id: tileBackground
+        anchors.fill: parent
+
+        property real tileSize: 16
+        property color color1: Qt.rgba(0.9, 0.9, 0.9, 1);
+        property color color2: Qt.rgba(0.85, 0.85, 0.85, 1);
+
+        property size pixelSize: Qt.size(width / tileSize, height / tileSize);
+
+        fragmentShader:
+            "
+            uniform lowp vec4 color1;
+            uniform lowp vec4 color2;
+            uniform highp vec2 pixelSize;
+            varying highp vec2 qt_TexCoord0;
+            void main() {
+                highp vec2 tc = sign(sin(3.14159265358979323846 * qt_TexCoord0 * pixelSize));
+                if (tc.x != tc.y)
+                    gl_FragColor = color1;
+                else
+                    gl_FragColor = color2;
+            }
+            "
+    }
+
+    Renderer {
+        id: renderer
+        anchors.fill: parent
+        anchors.margins: 10
+
+        // The transform is just to show something interesting..
+        transform: [
+            Rotation { id: rotation; axis.x: 0; axis.z: 0; axis.y: 1; angle: 0; origin.x: renderer.width / 2; origin.y: renderer.height / 2; },
+            Translate { id: txOut; x: -renderer.width / 2; y: -renderer.height / 2 },
+            Scale { id: scale; },
+            Translate { id: txIn; x: renderer.width / 2; y: renderer.height / 2 }
+        ]
+    }
+
+    // Just to show something interesting
+    SequentialAnimation {
+        PauseAnimation { duration: 5000 }
+        ParallelAnimation {
+            NumberAnimation { target: scale; property: "xScale"; to: 0.6; duration: 1000; easing.type: Easing.InOutBack }
+            NumberAnimation { target: scale; property: "yScale"; to: 0.6; duration: 1000; easing.type: Easing.InOutBack }
+        }
+        NumberAnimation { target: rotation; property: "angle"; to: 80; duration: 1000; easing.type: Easing.InOutCubic }
+        NumberAnimation { target: rotation; property: "angle"; to: -80; duration: 1000; easing.type: Easing.InOutCubic }
+        NumberAnimation { target: rotation; property: "angle"; to: 0; duration: 1000; easing.type: Easing.InOutCubic }
+        NumberAnimation { target: renderer; property: "opacity"; to: 0.5; duration: 1000; easing.type: Easing.InOutCubic }
+        PauseAnimation { duration: 1000 }
+        NumberAnimation { target: renderer; property: "opacity"; to: 0.8; duration: 1000; easing.type: Easing.InOutCubic }
+        ParallelAnimation {
+            NumberAnimation { target: scale; property: "xScale"; to: 1; duration: 1000; easing.type: Easing.InOutBack }
+            NumberAnimation { target: scale; property: "yScale"; to: 1; duration: 1000; easing.type: Easing.InOutBack }
+        }
+        running: true
+        loops: Animation.Infinite
+    }
+
+    Rectangle {
+        id: labelFrame
+        anchors.margins: -10
+        radius: 5
+        color: "white"
+        border.color: "black"
+        opacity: 0.8
+        anchors.fill: label
+    }
+
+    Text {
+        id: label
+        anchors.bottom: renderer.bottom
+        anchors.left: renderer.left
+        anchors.right: renderer.right
+        anchors.margins: 20
+        wrapMode: Text.WordWrap
+        text: "The blue rectangle with the vintage 'Q' is an FBO, rendered by the application on the scene graph rendering thread. The FBO is managed and displayed using the QQuickFramebufferObject convenience class."
+    }
+
+
+}