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-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the plugins of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** 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 https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://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.LGPL3 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-3.0.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 (at your option) the GNU General
-** Public license version 3 or any later version approved by the KDE Free
-** Qt Foundation. The licenses are as published by the Free Software
-** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
-** included in the packaging of this file. Please review the following
-** information to ensure the GNU General Public License requirements will
-** be met: https://www.gnu.org/licenses/gpl-2.0.html and
-** https://www.gnu.org/licenses/gpl-3.0.html.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#ifndef QOPENGLCOMPOSITOR_H
-#define QOPENGLCOMPOSITOR_H
-
-//
-// W A R N I N G
-// -------------
-//
-// This file is not part of the Qt API. It exists purely as an
-// implementation detail. This header file may change from version to
-// version without notice, or even be removed.
-//
-// We mean it.
-//
-
-#include <QtCore/QTimer>
-#include <QtOpenGL/QOpenGLTextureBlitter>
-#include <QtGui/QMatrix4x4>
-
-QT_BEGIN_NAMESPACE
-
-class QOpenGLContext;
-class QOpenGLFramebufferObject;
-class QWindow;
-class QPlatformTextureList;
-
-class QOpenGLCompositorWindow
-{
-public:
- virtual ~QOpenGLCompositorWindow() { }
- virtual QWindow *sourceWindow() const = 0;
- virtual const QPlatformTextureList *textures() const = 0;
- virtual void beginCompositing() { }
- virtual void endCompositing() { }
-};
-
-class QOpenGLCompositor : public QObject
-{
- Q_OBJECT
-
-public:
- static QOpenGLCompositor *instance();
- static void destroy();
-
- void setTarget(QOpenGLContext *context, QWindow *window, const QRect &nativeTargetGeometry);
- void setRotation(int degrees);
- QOpenGLContext *context() const { return m_context; }
- QWindow *targetWindow() const { return m_targetWindow; }
-
- void update();
- QImage grab();
-
- QList<QOpenGLCompositorWindow *> windows() const { return m_windows; }
- void addWindow(QOpenGLCompositorWindow *window);
- void removeWindow(QOpenGLCompositorWindow *window);
- void moveToTop(QOpenGLCompositorWindow *window);
- void changeWindowIndex(QOpenGLCompositorWindow *window, int newIdx);
-
-signals:
- void topWindowChanged(QOpenGLCompositorWindow *window);
-
-private slots:
- void handleRenderAllRequest();
-
-private:
- QOpenGLCompositor();
- ~QOpenGLCompositor();
-
- void renderAll(QOpenGLFramebufferObject *fbo);
- void render(QOpenGLCompositorWindow *window);
-
- QOpenGLContext *m_context;
- QWindow *m_targetWindow;
- QRect m_nativeTargetGeometry;
- int m_rotation;
- QMatrix4x4 m_rotationMatrix;
- QTimer m_updateTimer;
- QOpenGLTextureBlitter m_blitter;
- QList<QOpenGLCompositorWindow *> m_windows;
-};
-
-QT_END_NAMESPACE
-
-#endif // QOPENGLCOMPOSITOR_H