1 files changed, 129 insertions, 0 deletions
diff --git a/examples/quick/scenegraph/textureinsgnode/fboinsgrenderer.cpp b/examples/quick/scenegraph/textureinsgnode/fboinsgrenderer.cpp
new file mode 100644
index 0000000000..67df392555
--- /dev/null
+++ b/examples/quick/scenegraph/textureinsgnode/fboinsgrenderer.cpp
@@ -0,0 +1,129 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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 Digia Plc and its Subsidiary(-ies) 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 TextureNode : public QObject, public QSGSimpleTextureNode
+{
+    Q_OBJECT
+
+public:
+    TextureNode(QQuickWindow *window)
+        : m_fbo(0)
+        , m_texture(0)
+        , m_window(window)
+        , m_logoRenderer(0)
+    {
+        connect(m_window, SIGNAL(beforeRendering()), this, SLOT(renderFBO()));
+    }
+
+    ~TextureNode()
+    {
+        delete m_texture;
+        delete m_fbo;
+        delete m_logoRenderer;
+    }
+
+public slots:
+    void renderFBO()
+    {
+        QSize size = rect().size().toSize();
+
+        if (!m_fbo) {
+
+            QOpenGLFramebufferObjectFormat format;
+            format.setAttachment(QOpenGLFramebufferObject::CombinedDepthStencil);
+            m_fbo = new QOpenGLFramebufferObject(size, format);
+            m_texture = m_window->createTextureFromId(m_fbo->texture(), size);
+            m_logoRenderer = new LogoRenderer();
+            m_logoRenderer->initialize();
+            setTexture(m_texture);
+        }
+
+        m_fbo->bind();
+
+        glViewport(0, 0, size.width(), size.height());
+
+        m_logoRenderer->render();
+
+        m_fbo->bindDefault();
+
+        m_window->update();
+    }
+
+private:
+    QOpenGLFramebufferObject *m_fbo;
+    QSGTexture *m_texture;
+    QQuickWindow *m_window;
+
+    LogoRenderer *m_logoRenderer;
+};
+
+
+
+FboInSGRenderer::FboInSGRenderer()
+{
+    setFlag(ItemHasContents, true);
+}
+
+
+QSGNode *FboInSGRenderer::updatePaintNode(QSGNode *oldNode, UpdatePaintNodeData *)
+{
+    // Don't bother with resize and such, just recreate the node from scratch
+    // when geometry changes.
+    if (oldNode)
+        delete oldNode;
+
+    TextureNode *node = new TextureNode(window());
+    node->setRect(boundingRect());
+
+    return node;
+}
+
+#include "fboinsgrenderer.moc"