1 files changed, 102 insertions, 0 deletions
diff --git a/src/quick3d/quick3drender/items/quick3dbuffer.cpp b/src/quick3d/quick3drender/items/quick3dbuffer.cpp
new file mode 100644
index 000000000..aaa3645c1
--- /dev/null
+++ b/src/quick3d/quick3drender/items/quick3dbuffer.cpp
@@ -0,0 +1,102 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 Klaralvdalens Datakonsult AB (KDAB).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the Qt3D module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL3$
+** 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 http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://www.qt.io/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 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPLv3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or later 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 2.0 requirements will be
+** met: http://www.gnu.org/licenses/gpl-2.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "quick3dbuffer.h"
+#include <QQmlEngine>
+#include <QJSValue>
+#include <QtQml/private/qqmlengine_p.h>
+#include <QtQml/private/qjsvalue_p.h>
+#include <QtQml/private/qv4typedarray_p.h>
+#include <QtQml/private/qv4arraybuffer_p.h>
+
+QT_BEGIN_NAMESPACE
+
+namespace Qt3DRender {
+
+namespace Render {
+
+namespace Quick {
+
+Quick3DBuffer::Quick3DBuffer(QObject *parent)
+    : QObject(parent)
+    , m_engine(Q_NULLPTR)
+    , m_v4engine(Q_NULLPTR)
+{
+    QObject::connect(parentBuffer(), &Qt3DCore::QAbstractBuffer::dataChanged, this, &Quick3DBuffer::bufferDataChanged);
+}
+
+QByteArray Quick3DBuffer::convertToRawData(const QJSValue &jsValue)
+{
+    initEngines();
+    Q_ASSERT(m_v4engine);
+    QV4::Scope scope(m_v4engine);
+    QV4::Scoped<QV4::TypedArray> typedArray(scope,
+                                            QJSValuePrivate::convertedToValue(m_v4engine, jsValue));
+    if (!typedArray)
+        return QByteArray();
+
+    char *dataPtr = reinterpret_cast<char *>(typedArray->arrayData()->data());
+    dataPtr += typedArray->d()->byteOffset;
+    uint byteLength = typedArray->byteLength();
+    return QByteArray::fromRawData(dataPtr, byteLength);
+}
+
+QVariant Quick3DBuffer::bufferData() const
+{
+    return QVariant::fromValue(parentBuffer()->data());
+}
+
+void Quick3DBuffer::setBufferData(const QVariant &bufferData)
+{
+    QJSValue jsValue = bufferData.value<QJSValue>();
+    parentBuffer()->setData(convertToRawData(jsValue));
+}
+
+void Quick3DBuffer::initEngines()
+{
+    if (m_engine == Q_NULLPTR) {
+        m_engine = qmlEngine(parent());
+        m_v4engine = QQmlEnginePrivate::getV4Engine(m_engine);
+    }
+}
+
+} // Quick
+
+} // Render
+
+} // Qt3DRender
+
+QT_END_NAMESPACE