Remove QSGEngine

Change-Id: Iaab0d9f607b1f4ca6dfb13495a456d1b31bb980a
Reviewed-by: Lars Knoll <lars.knoll@nokia.com>

14 files changed, 1 insertions, 261 deletions

diff --git a/examples/quick/openglunderqml/squircle.cpp b/examples/quick/openglunderqml/squircle.cpp
index d15295a0ba..c25e28c12f 100644
--- a/examples/quick/openglunderqml/squircle.cpp
+++ b/examples/quick/openglunderqml/squircle.cpp
@@ -41,7 +41,6 @@
 
 #include "squircle.h"
 
-#include <QtQuick/qsgengine.h>
 #include <QtQuick/qquickcanvas.h>
 #include <QOpenGLShaderProgram>
 
diff --git a/src/particles/qquickimageparticle.cpp b/src/particles/qquickimageparticle.cpp
index d20862a026..c0b0e8e739 100644
--- a/src/particles/qquickimageparticle.cpp
+++ b/src/particles/qquickimageparticle.cpp
@@ -51,7 +51,6 @@
 #include <private/qquicksprite_p.h>
 #include <private/qquickspriteengine_p.h>
 #include <QOpenGLFunctions>
-#include <QtQuick/qsgengine.h>
 #include <QtQuick/private/qsgtexture_p.h>
 #include <private/qqmlglobal_p.h>
 #include <QtQml/qqmlinfo.h>
diff --git a/src/quick/items/qquickanimatedsprite.cpp b/src/quick/items/qquickanimatedsprite.cpp
index 618178fd1c..7110351cc7 100644
--- a/src/quick/items/qquickanimatedsprite.cpp
+++ b/src/quick/items/qquickanimatedsprite.cpp
@@ -45,7 +45,6 @@
 #include <QtQuick/private/qsgcontext_p.h>
 #include <private/qsgadaptationlayer_p.h>
 #include <QtQuick/qsgnode.h>
-#include <QtQuick/qsgengine.h>
 #include <QtQuick/qsgtexturematerial.h>
 #include <QtQuick/qsgtexture.h>
 #include <QtQuick/qquickcanvas.h>
diff --git a/src/quick/items/qquickcanvas.cpp b/src/quick/items/qquickcanvas.cpp
index 17f9947b66..a6905b55aa 100644
--- a/src/quick/items/qquickcanvas.cpp
+++ b/src/quick/items/qquickcanvas.cpp
@@ -49,7 +49,6 @@
 #include <QtQuick/private/qsgrenderer_p.h>
 #include <QtQuick/private/qsgtexture_p.h>
 #include <QtQuick/private/qsgflashnode_p.h>
-#include <QtQuick/qsgengine.h>
 
 #include <private/qquickwindowmanager_p.h>
 
@@ -350,10 +349,6 @@ void QQuickCanvasPrivate::init(QQuickCanvas *c)
     QObject::connect(context, SIGNAL(initialized()), q, SIGNAL(sceneGraphInitialized()), Qt::DirectConnection);
     QObject::connect(context, SIGNAL(invalidated()), q, SIGNAL(sceneGraphInvalidated()), Qt::DirectConnection);
     QObject::connect(context, SIGNAL(invalidated()), q, SLOT(cleanupSceneGraph()), Qt::DirectConnection);
-
-    // ### TODO: remove QSGEngine
-    engine = new QSGEngine();
-    engine->setCanvas(q);
 }
 
 QQmlListProperty<QObject> QQuickCanvasPrivate::data()
@@ -2126,26 +2121,6 @@ QOpenGLContext *QQuickCanvas::openglContext() const
     This signal will be emitted from the scene graph rendering thread.
  */
 
-/*!
-    Returns the QSGEngine used for this scene.
-
-    The engine will only be available once the scene graph has been
-    initialized. Register for the sceneGraphEngine() signal to get
-    notification about this.
-
-    \deprecated
- */
-
-QSGEngine *QQuickCanvas::sceneGraphEngine() const
-{
-    Q_D(const QQuickCanvas);
-    qWarning("QQuickCanvas::sceneGraphEngine() is deprecated, use members of QQuickCanvas instead");
-    if (d->context && d->context->isReady())
-        return d->engine;
-    return 0;
-}
-
-
 
 /*!
     Sets the render target for this canvas to be \a fbo.
diff --git a/src/quick/items/qquickcanvas.h b/src/quick/items/qquickcanvas.h
index 396bc2b8ff..0e06202849 100644
--- a/src/quick/items/qquickcanvas.h
+++ b/src/quick/items/qquickcanvas.h
@@ -52,7 +52,6 @@ QT_BEGIN_HEADER
 
 QT_BEGIN_NAMESPACE
 
-class QSGEngine;
 class QQuickItem;
 class QSGTexture;
 class QInputMethodEvent;
@@ -89,8 +88,6 @@ public:
 
     bool sendEvent(QQuickItem *, QEvent *);
 
-    QSGEngine *sceneGraphEngine() const;
-
     QImage grabFrameBuffer();
 
     void setRenderTarget(QOpenGLFramebufferObject *fbo);
diff --git a/src/quick/items/qquickcanvas_p.h b/src/quick/items/qquickcanvas_p.h
index 643d694400..d592121938 100644
--- a/src/quick/items/qquickcanvas_p.h
+++ b/src/quick/items/qquickcanvas_p.h
@@ -174,7 +174,6 @@ public:
 
     void fireFrameSwapped() { emit q_func()->frameSwapped(); }
 
-    QSGEngine *engine;
     QSGContext *context;
     QSGRenderer *renderer;
 
diff --git a/src/quick/items/qquickitem.cpp b/src/quick/items/qquickitem.cpp
index a0e1c2a650..88663411a9 100644
--- a/src/quick/items/qquickitem.cpp
+++ b/src/quick/items/qquickitem.cpp
@@ -2144,11 +2144,6 @@ QQuickItem *QQuickItem::parentItem() const
     return d->parentItem;
 }
 
-QSGEngine *QQuickItem::sceneGraphEngine() const
-{
-    return canvas()->sceneGraphEngine();
-}
-
 QQuickCanvas *QQuickItem::canvas() const
 {
     Q_D(const QQuickItem);
diff --git a/src/quick/items/qquickitem.h b/src/quick/items/qquickitem.h
index 0d74cc0c4d..69122bdbcd 100644
--- a/src/quick/items/qquickitem.h
+++ b/src/quick/items/qquickitem.h
@@ -89,7 +89,6 @@ class QQuickKeyEvent;
 class QQuickAnchors;
 class QQuickItemPrivate;
 class QQuickCanvas;
-class QSGEngine;
 class QTouchEvent;
 class QSGNode;
 class QSGTransformNode;
@@ -195,8 +194,6 @@ public:
     QQuickItem(QQuickItem *parent = 0);
     virtual ~QQuickItem();
 
-    QSGEngine *sceneGraphEngine() const;
-
     QQuickCanvas *canvas() const;
     QQuickItem *parentItem() const;
     void setParentItem(QQuickItem *parent);
diff --git a/src/quick/items/qquickspriteimage.cpp b/src/quick/items/qquickspriteimage.cpp
index 2a151d02a8..fca6fbc19e 100644
--- a/src/quick/items/qquickspriteimage.cpp
+++ b/src/quick/items/qquickspriteimage.cpp
@@ -45,7 +45,6 @@
 #include <QtQuick/private/qsgcontext_p.h>
 #include <private/qsgadaptationlayer_p.h>
 #include <QtQuick/qsgnode.h>
-#include <QtQuick/qsgengine.h>
 #include <QtQuick/qsgtexturematerial.h>
 #include <QtQuick/qsgtexture.h>
 #include <QtQuick/qquickcanvas.h>
diff --git a/src/quick/items/qquickspritesequence.cpp b/src/quick/items/qquickspritesequence.cpp
index ce0a246748..80dad16fe3 100644
--- a/src/quick/items/qquickspritesequence.cpp
+++ b/src/quick/items/qquickspritesequence.cpp
@@ -45,7 +45,6 @@
 #include <QtQuick/private/qsgcontext_p.h>
 #include <private/qsgadaptationlayer_p.h>
 #include <QtQuick/qsgnode.h>
-#include <QtQuick/qsgengine.h>
 #include <QtQuick/qsgtexturematerial.h>
 #include <QtQuick/qsgtexture.h>
 #include <QtQuick/qquickcanvas.h>
diff --git a/src/quick/scenegraph/qsgcontext_p.h b/src/quick/scenegraph/qsgcontext_p.h
index 7cbff40a9b..35b97c3d15 100644
--- a/src/quick/scenegraph/qsgcontext_p.h
+++ b/src/quick/scenegraph/qsgcontext_p.h
@@ -68,7 +68,6 @@ class QQuickCanvas;
 class QSGTexture;
 class QSGMaterial;
 class QSGMaterialShader;
-class QSGEngine;
 class QQuickWindowManager;
 
 class QOpenGLContext;
diff --git a/src/quick/scenegraph/scenegraph.pri b/src/quick/scenegraph/scenegraph.pri
index b6f7a228d2..fea921163a 100644
--- a/src/quick/scenegraph/scenegraph.pri
+++ b/src/quick/scenegraph/scenegraph.pri
@@ -1,4 +1,4 @@
-!contains(QT_CONFIG, egl):DEFINES += QT_NO_EGL
+qsg!contains(QT_CONFIG, egl):DEFINES += QT_NO_EGL
 
 # Core API
 HEADERS += \
@@ -24,7 +24,6 @@ SOURCES += \
 HEADERS += \
     $$PWD/util/qsgareaallocator_p.h \
     $$PWD/util/qsgdepthstencilbuffer_p.h \
-    $$PWD/util/qsgengine.h \
     $$PWD/util/qsgflatcolormaterial.h \
     $$PWD/util/qsgsimplematerial.h \
     $$PWD/util/qsgsimplerectnode.h \
@@ -41,7 +40,6 @@ HEADERS += \
 SOURCES += \
     $$PWD/util/qsgareaallocator.cpp \
     $$PWD/util/qsgdepthstencilbuffer.cpp \
-    $$PWD/util/qsgengine.cpp \
     $$PWD/util/qsgflatcolormaterial.cpp \
     $$PWD/util/qsgsimplerectnode.cpp \
     $$PWD/util/qsgsimpletexturenode.cpp \
diff --git a/src/quick/scenegraph/util/qsgengine.cpp b/src/quick/scenegraph/util/qsgengine.cpp
deleted file mode 100644
index 5d50002870..0000000000
--- a/src/quick/scenegraph/util/qsgengine.cpp
+++ /dev/null
@@ -1,115 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
-** Contact: http://www.qt-project.org/
-**
-** This file is part of the QtQml module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** GNU Lesser General Public License Usage
-** 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, Nokia gives you certain additional
-** rights. These rights are described in the Nokia 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.
-**
-** Other Usage
-** Alternatively, this file may be used in accordance with the terms and
-** conditions contained in a signed written agreement between you and Nokia.
-**
-**
-**
-**
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "qsgengine.h"
-
-#include <QtQuick/qquickcanvas.h>
-
-#include <private/qobject_p.h>
-#include <QtGui/QColor>
-
-QT_BEGIN_NAMESPACE
-
-class QSGEnginePrivate : public QObjectPrivate
-{
-public:
-    QSGEnginePrivate()
-        : canvas(0)
-    {
-    }
-
-    QQuickCanvas *canvas;
-};
-
-/*!
-    \class QSGEngine
-    \deprecated
- */
-
-QSGEngine::QSGEngine(QObject *parent) :
-    QObject(*(new QSGEnginePrivate), parent)
-{
-}
-
-
-QSGEngine::~QSGEngine()
-{
-}
-
-
-void QSGEngine::setCanvas(QQuickCanvas *canvas)
-{
-    d_func()->canvas = canvas;
-    connect(canvas, SIGNAL(afterRendering()), this, SIGNAL(afterRendering()), Qt::DirectConnection);
-    connect(canvas, SIGNAL(beforeRendering()), this, SIGNAL(beforeRendering()), Qt::DirectConnection);
-}
-
-void QSGEngine::setClearBeforeRendering(bool enabled)
-{
-    d_func()->canvas->setClearBeforeRendering(enabled);
-}
-
-bool QSGEngine::clearBeforeRendering() const
-{
-    return d_func()->canvas->clearBeforeRendering();
-}
-
-QSGTexture *QSGEngine::createTextureFromImage(const QImage &image) const
-{
-    return d_func()->canvas->createTextureFromImage(image);
-}
-
-QSGTexture *QSGEngine::createTextureFromId(uint id, const QSize &size, TextureOptions options) const
-{
-    return d_func()->canvas->createTextureFromId(id, size, QQuickCanvas::CreateTextureOptions((int) options));
-}
-
-void QSGEngine::setClearColor(const QColor &color)
-{
-    d_func()->canvas->setClearColor(color);
-}
-
-QColor QSGEngine::clearColor() const
-{
-    return d_func()->canvas->clearColor();
-}
-
-QT_END_NAMESPACE
diff --git a/src/quick/scenegraph/util/qsgengine.h b/src/quick/scenegraph/util/qsgengine.h
deleted file mode 100644
index f62bdb2ab3..0000000000
--- a/src/quick/scenegraph/util/qsgengine.h
+++ /dev/null
@@ -1,100 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
-** Contact: http://www.qt-project.org/
-**
-** This file is part of the QtQml module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** GNU Lesser General Public License Usage
-** 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, Nokia gives you certain additional
-** rights. These rights are described in the Nokia 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.
-**
-** Other Usage
-** Alternatively, this file may be used in accordance with the terms and
-** conditions contained in a signed written agreement between you and Nokia.
-**
-**
-**
-**
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#ifndef QSGENGINE_H
-#define QSGENGINE_H
-
-#include <QObject>
-
-#include <QtQuick/qsgtexture.h>
-
-QT_BEGIN_HEADER
-
-QT_BEGIN_NAMESPACE
-
-class QSGEnginePrivate;
-
-class QQuickCanvas;
-
-class Q_QUICK_EXPORT QSGEngine : public QObject
-{
-    Q_OBJECT
-
-    Q_DECLARE_PRIVATE(QSGEngine)
-
-public:
-
-    enum TextureOption {
-        TextureHasAlphaChannel  = 0x0001,
-        TextureHasMipmaps       = 0x0002,
-        TextureOwnsGLTexture    = 0x0004
-    };
-    Q_DECLARE_FLAGS(TextureOptions, TextureOption)
-
-    QSGTexture *createTextureFromImage(const QImage &image) const;
-    QSGTexture *createTextureFromId(uint id, const QSize &size, TextureOptions options = TextureOption(0)) const;
-
-    void setClearBeforeRendering(bool enabled);
-    bool clearBeforeRendering() const;
-
-    void setClearColor(const QColor &color);
-    QColor clearColor() const;
-
-Q_SIGNALS:
-    void beforeRendering();
-    void afterRendering();
-
-private:
-    QSGEngine(QObject *parent = 0);
-    ~QSGEngine();
-
-    friend class QSGContext;
-    friend class QSGContextPrivate;
-    friend class QQuickCanvasPrivate;
-    void setCanvas(QQuickCanvas *canvas);
-
-};
-
-QT_END_NAMESPACE
-
-QT_END_HEADER
-
-#endif // QSGENGINE_H