1 files changed, 117 insertions, 0 deletions
diff --git a/src/render/materialsystem/parameter.cpp b/src/render/materialsystem/parameter.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2014 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 "parameter_p.h"
+#include <Qt3DCore/qscenepropertychange.h>
+#include <Qt3DRenderer/qparameter.h>
+#include <Qt3DRenderer/qtexture.h>
+#include <Qt3DRenderer/qshaderdata.h>
+
+#include <Qt3DRenderer/private/managers_p.h>
+
+QT_BEGIN_NAMESPACE
+
+using namespace Qt3D;
+
+namespace Qt3DRender {
+namespace Render {
+
+Parameter::Parameter()
+    : QBackendNode()
+    , m_shaderDataManager(Q_NULLPTR)
+    , m_textureManager(Q_NULLPTR)
+{
+}
+
+void Parameter::updateFromPeer(Qt3D::QNode *mat)
+{
+    QParameter *param = static_cast<QParameter *>(mat);
+    m_name = param->name();
+    m_value = toBackendValue(param->value());
+}
+
+void Parameter::sceneChangeEvent(const Qt3D::QSceneChangePtr &e)
+{
+    QScenePropertyChangePtr propertyChange = qSharedPointerCast<QScenePropertyChange>(e);
+
+    if (e->type() == NodeUpdated) {
+        if (propertyChange->propertyName() == QByteArrayLiteral("name"))
+            m_name = propertyChange->value().toString();
+        else if (propertyChange->propertyName() == QByteArrayLiteral("value"))
+            m_value = toBackendValue(propertyChange->value());
+    }
+}
+
+QString Parameter::name() const
+{
+    return m_name;
+}
+
+QVariant Parameter::value() const
+{
+    return m_value;
+}
+
+void Parameter::setShaderDataManager(ShaderDataManager *shaderDataManager)
+{
+    m_shaderDataManager = shaderDataManager;
+}
+
+void Parameter::setTextureManager(TextureManager *textureManager)
+{
+    m_textureManager = textureManager;
+}
+
+QVariant Parameter::toBackendValue(const QVariant &value)
+{
+    QNode *node = value.value<QNode *>();
+
+    if (node == Q_NULLPTR) {
+        return value;
+    } else if (qobject_cast<QAbstractTextureProvider*>(node)) {
+        return QVariant::fromValue(static_cast<Texture*>(createBackendNode(node)));
+    } else if (qobject_cast<QShaderData*>(node)) {
+        return QVariant::fromValue(static_cast<ShaderData*>(createBackendNode(node)));
+    } else {
+        qFatal("Texture and ShaderData are the only types of Node allowed as parameters");
+        return QVariant();
+    }
+}
+
+} // namespace Render
+} // namespace Qt3DRender
+
+QT_END_NAMESPACE