Add backend for renderer settings

Change-Id: I7e87cb106681c384a1b431a362fa904afafb877a
Reviewed-by: Paul Lemire <paul.lemire@kdab.com>

3 files changed, 162 insertions, 2 deletions

diff --git a/src/render/backend/render-backend.pri b/src/render/backend/render-backend.pri
index 9f90ad7b8..b6c4a77a5 100644
--- a/src/render/backend/render-backend.pri
+++ b/src/render/backend/render-backend.pri
@@ -28,7 +28,8 @@ HEADERS += \
     $$PWD/openglvertexarrayobject_p.h \
     $$PWD/trianglesextractor_p.h \
     $$PWD/abstractrenderer_p.h \
-    $$PWD/computejob_p.h
+    $$PWD/computejob_p.h \
+    $$PWD/renderersettings_p.h
 
 SOURCES += \
     $$PWD/renderthread.cpp \
@@ -51,4 +52,5 @@ SOURCES += \
     $$PWD/nodemanagers.cpp \
     $$PWD/triangleboundingvolume.cpp \
     $$PWD/trianglesextractor.cpp \
-    $$PWD/computejob.cpp
+    $$PWD/computejob.cpp \
+    $$PWD/renderersettings.cpp
diff --git a/src/render/backend/renderersettings.cpp b/src/render/backend/renderersettings.cpp
new file mode 100644
index 000000000..04d22ee67
--- /dev/null
+++ b/src/render/backend/renderersettings.cpp
@@ -0,0 +1,80 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 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 "renderersettings_p.h"
+
+#include <Qt3DCore/qscenepropertychange.h>
+
+QT_BEGIN_NAMESPACE
+
+using namespace Qt3DCore;
+
+namespace Qt3DRender {
+namespace Render {
+
+RendererSettings::RendererSettings()
+    : QBackendNode()
+{
+}
+
+void RendererSettings::updateFromPeer(Qt3DCore::QNode *peer)
+{
+    QRendererSettings *settings = static_cast<QRendererSettings *>(peer);
+    m_pickMethod = settings->pickMethod();
+    m_pickResultMode = settings->pickResultMode();
+}
+
+void RendererSettings::cleanup()
+{
+    m_pickMethod = QRendererSettings::BoundingVolumePicking;
+    m_pickResultMode = QRendererSettings::NearestPick;
+}
+
+void RendererSettings::sceneChangeEvent(const Qt3DCore::QSceneChangePtr &e)
+{
+    if (e->type() == NodeUpdated) {
+        QScenePropertyChangePtr propertyChange = qSharedPointerCast<QScenePropertyChange>(e);
+        if (propertyChange->propertyName() == QByteArrayLiteral("pickMethod"))
+            m_pickMethod = propertyChange->value().value<QRendererSettings::PickMethod>();
+        else if (propertyChange->propertyName() == QByteArrayLiteral("pickResult"))
+            m_pickResultMode = propertyChange->value().value<QRendererSettings::PickResultMode>();
+    }
+}
+
+} // namespace Render
+} // namespace Qt3DRender
+
+QT_END_NAMESPACE
diff --git a/src/render/backend/renderersettings_p.h b/src/render/backend/renderersettings_p.h
new file mode 100644
index 000000000..32e997840
--- /dev/null
+++ b/src/render/backend/renderersettings_p.h
@@ -0,0 +1,78 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QT3DRENDER_RENDER_RENDERERSETTINGS_H
+#define QT3DRENDER_RENDER_RENDERERSETTINGS_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists for the convenience
+// of other Qt classes.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <Qt3DCore/qbackendnode.h>
+#include <Qt3DRender/qrenderersettings.h>
+
+QT_BEGIN_NAMESPACE
+
+namespace Qt3DRender {
+namespace Render {
+
+class RendererSettings : public Qt3DCore::QBackendNode
+{
+public:
+    RendererSettings();
+
+    void updateFromPeer(Qt3DCore::QNode *peer) Q_DECL_OVERRIDE;
+    void cleanup();
+    void sceneChangeEvent(const Qt3DCore::QSceneChangePtr &e) Q_DECL_OVERRIDE;
+
+private:
+    QRendererSettings::PickMethod m_pickMethod;
+    QRendererSettings::PickResultMode m_pickResultMode;
+};
+
+} // namespace Render
+} // namespace Qt3DRender
+
+QT_END_NAMESPACE
+
+#endif // QT3DRENDER_RENDER_RENDERERSETTINGS_H