1 files changed, 102 insertions, 0 deletions
diff --git a/src/datavis3dqml2/declarativemapsrenderer.cpp b/src/datavis3dqml2/declarativemapsrenderer.cpp
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+++ b/src/datavis3dqml2/declarativemapsrenderer.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the QtDataVis3D module.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "declarativemapsrenderer_p.h"
+
+#include <QtQuick/QQuickWindow>
+#include <QtGui/QOpenGLFramebufferObject>
+
+QT_DATAVIS3D_BEGIN_NAMESPACE
+
+DeclarativeMapsRenderer::DeclarativeMapsRenderer(QQuickWindow *window, Maps3DController *renderer)
+    : m_fbo(0),
+      m_texture(0),
+      m_window(window),
+      m_mapsRenderer(renderer)
+{
+    connect(m_window, SIGNAL(beforeRendering()), this, SLOT(render()), Qt::DirectConnection);
+}
+
+DeclarativeMapsRenderer::~DeclarativeMapsRenderer()
+{
+    delete m_texture;
+    delete m_fbo;
+}
+
+void DeclarativeMapsRenderer::render()
+{
+    QSize size = rect().size().toSize();
+
+    // Create FBO
+    if (!m_fbo) {
+        QOpenGLFramebufferObjectFormat format;
+        format.setAttachment(QOpenGLFramebufferObject::Depth);
+        m_fbo = new QOpenGLFramebufferObject(size, format);
+        m_texture = m_window->createTextureFromId(m_fbo->texture(), size);
+
+        setTexture(m_texture);
+
+        // Flip texture
+        // TODO: Can be gotten rid of once support for texture flipping becomes available (in Qt5.2)
+        QSize ts = m_texture->textureSize();
+        QRectF sourceRect(0, 0, ts.width(), ts.height());
+        float tmp = sourceRect.top();
+        sourceRect.setTop(sourceRect.bottom());
+        sourceRect.setBottom(tmp);
+        QSGGeometry *geometry = this->geometry();
+        QSGGeometry::updateTexturedRectGeometry(geometry, rect(),
+                                                m_texture->convertToNormalizedSourceRect(sourceRect));
+        markDirty(DirtyMaterial);
+        //qDebug() << "create node" << m_fbo->handle() << m_texture->textureId() << m_fbo->size();
+    }
+
+    // Call the shared rendering function
+    m_fbo->bind();
+
+    m_mapsRenderer->render(m_fbo->handle());
+
+    m_fbo->release();
+
+    // New view is in the FBO, request repaint of scene graph
+    m_window->update();
+}
+
+QT_DATAVIS3D_END_NAMESPACE