Add a framegraph node for lighting

Empty for now.

Change-Id: I4edcdae58230e53c266c214052522d3ab54b1c6c
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>

7 files changed, 370 insertions, 3 deletions

diff --git a/src/render/framegraph/framegraph.pri b/src/render/framegraph/framegraph.pri
index 55ac95f77..b40b68932 100644
--- a/src/render/framegraph/framegraph.pri
+++ b/src/render/framegraph/framegraph.pri
@@ -43,7 +43,10 @@ HEADERS += \
     $$PWD/techniquefilternode_p.h \
     $$PWD/viewportnode_p.h \
     $$PWD/qfrustumculling.h \
-    $$PWD/frustumculling_p.h
+    $$PWD/frustumculling_p.h \
+    $$PWD/qlighting.h \
+    $$PWD/qlighting_p.h \
+    $$PWD/lighting_p.h
 
 SOURCES += \
     $$PWD/cameraselectornode.cpp \
@@ -75,4 +78,6 @@ SOURCES += \
     $$PWD/techniquefilternode.cpp \
     $$PWD/viewportnode.cpp \
     $$PWD/qfrustumculling.cpp \
-    $$PWD/frustumculling.cpp
+    $$PWD/frustumculling.cpp \
+    $$PWD/qlighting.cpp \
+    $$PWD/lighting.cpp
diff --git a/src/render/framegraph/framegraphnode_p.h b/src/render/framegraph/framegraphnode_p.h
index c9566e5d3..b068b103a 100644
--- a/src/render/framegraph/framegraphnode_p.h
+++ b/src/render/framegraph/framegraphnode_p.h
@@ -81,7 +81,8 @@ public:
         SubtreeSelector,
         StateSet,
         NoDraw,
-        FrustumCulling
+        FrustumCulling,
+        Lighting
     };
     FrameGraphNodeType nodeType() const { return m_nodeType; }
 
diff --git a/src/render/framegraph/lighting.cpp b/src/render/framegraph/lighting.cpp
new file mode 100644
index 000000000..a5f65d2e1
--- /dev/null
+++ b/src/render/framegraph/lighting.cpp
@@ -0,0 +1,77 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** 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 "lighting_p.h"
+#include <Qt3DRender/qlighting.h>
+#include <Qt3DCore/qscenepropertychange.h>
+
+QT_BEGIN_NAMESPACE
+
+namespace Qt3DRender {
+
+namespace Render {
+
+Lighting::Lighting()
+    : FrameGraphNode(FrameGraphNode::Lighting)
+{
+}
+
+void Lighting::updateFromPeer(Qt3DCore::QNode *peer)
+{
+    QLighting *lighting = static_cast<QLighting *>(peer);
+    setEnabled(lighting->isEnabled());
+}
+
+void Lighting::sceneChangeEvent(const Qt3DCore::QSceneChangePtr &e)
+{
+    Qt3DCore::QScenePropertyChangePtr propertyChange = qSharedPointerCast<Qt3DCore::QScenePropertyChange>(e);
+
+    switch (e->type()) {
+    case Qt3DCore::NodeUpdated:
+        if (propertyChange->propertyName() == QByteArrayLiteral("enabled"))
+            setEnabled(propertyChange->value().toBool());
+        break;
+
+    default:
+        break;
+    }
+}
+
+} // namespace Render
+
+} // namespace Qt3DRender
+
+QT_END_NAMESPACE
diff --git a/src/render/framegraph/lighting_p.h b/src/render/framegraph/lighting_p.h
new file mode 100644
index 000000000..fe00cea6b
--- /dev/null
+++ b/src/render/framegraph/lighting_p.h
@@ -0,0 +1,76 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** 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_LIGHTING_H
+#define QT3DRENDER_RENDER_LIGHTING_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 <Qt3DRender/private/framegraphnode_p.h>
+
+QT_BEGIN_NAMESPACE
+
+namespace Qt3DRender {
+
+namespace Render {
+
+class Lighting : public FrameGraphNode
+{
+public:
+    Lighting();
+
+    void updateFromPeer(Qt3DCore::QNode *peer) Q_DECL_OVERRIDE;
+
+protected:
+    void sceneChangeEvent(const Qt3DCore::QSceneChangePtr &e) Q_DECL_OVERRIDE;
+};
+
+} // namespace Render
+
+} // namespace Qt3DRender
+
+QT_END_NAMESPACE
+
+#endif // QT3DRENDER_RENDER_LIGHTING_H
diff --git a/src/render/framegraph/qlighting.cpp b/src/render/framegraph/qlighting.cpp
new file mode 100644
index 000000000..07fe6022f
--- /dev/null
+++ b/src/render/framegraph/qlighting.cpp
@@ -0,0 +1,70 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** 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 "qlighting.h"
+#include "qlighting_p.h"
+#include <Qt3DCore/qscenepropertychange.h>
+
+QT_BEGIN_NAMESPACE
+
+namespace Qt3DRender {
+
+QLighting::QLighting(QNode *parent)
+    : QFrameGraphNode(*new QLightingPrivate, parent)
+{
+}
+
+QLighting::QLighting(QLightingPrivate &dd, QNode *parent)
+    : QFrameGraphNode(dd, parent)
+{
+}
+
+QLighting::~QLighting()
+{
+    QNode::cleanup();
+}
+
+void QLighting::copy(const QNode *ref)
+{
+    QFrameGraphNode::copy(ref);
+    const QLighting *lighting = static_cast<const QLighting *>(ref);
+    Q_UNUSED(lighting);
+}
+
+
+} // namespace Qt3DRender
+
+QT_END_NAMESPACE
diff --git a/src/render/framegraph/qlighting.h b/src/render/framegraph/qlighting.h
new file mode 100644
index 000000000..dab2f056e
--- /dev/null
+++ b/src/render/framegraph/qlighting.h
@@ -0,0 +1,69 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** 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_QLIGHTING_H
+#define QT3DRENDER_QLIGHTING_H
+
+#include <Qt3DRender/qframegraphnode.h>
+
+QT_BEGIN_NAMESPACE
+
+namespace Qt3DRender {
+
+class QLightingPrivate;
+
+class QT3DRENDERSHARED_EXPORT QLighting : public QFrameGraphNode
+{
+    Q_OBJECT
+
+public:
+    explicit QLighting(Qt3DCore::QNode *parent = 0);
+    ~QLighting();
+
+protected:
+    QLighting(QLightingPrivate &dd, Qt3DCore::QNode *parent = 0);
+    void copy(const Qt3DCore::QNode *ref) Q_DECL_OVERRIDE;
+
+private:
+    Q_DECLARE_PRIVATE(QLighting)
+    QT3D_CLONEABLE(QLighting)
+};
+
+} // namespace Qt3DRender
+
+QT_END_NAMESPACE
+
+#endif // QT3DRENDER_QLIGHTING_H
diff --git a/src/render/framegraph/qlighting_p.h b/src/render/framegraph/qlighting_p.h
new file mode 100644
index 000000000..83b605890
--- /dev/null
+++ b/src/render/framegraph/qlighting_p.h
@@ -0,0 +1,69 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** 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_QLIGHTING_P_H
+#define QT3DRENDER_QLIGHTING_P_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 <private/qframegraphnode_p.h>
+
+QT_BEGIN_NAMESPACE
+
+namespace Qt3DRender {
+
+class QLighting;
+
+class QLightingPrivate : public QFrameGraphNodePrivate
+{
+public :
+    Q_DECLARE_PUBLIC(QLighting)
+};
+
+} // namespace Qt3DRender
+
+QT_END_NAMESPACE
+
+#endif // QT3DRENDER_QLIGHTING_P_H