diff options
Diffstat (limited to 'src/platformsupport/platformcompositor/qopenglcompositor_p.h')
-rw-r--r-- | src/platformsupport/platformcompositor/qopenglcompositor_p.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/src/platformsupport/platformcompositor/qopenglcompositor_p.h b/src/platformsupport/platformcompositor/qopenglcompositor_p.h new file mode 100644 index 0000000000..9c876f5af1 --- /dev/null +++ b/src/platformsupport/platformcompositor/qopenglcompositor_p.h @@ -0,0 +1,107 @@ +/**************************************************************************** +** +** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the plugins of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL21$ +** 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 Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/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 2.1 or version 3 as published by the Free +** Software Foundation and appearing in the file LICENSE.LGPLv21 and +** LICENSE.LGPLv3 included in the packaging of this file. Please review the +** following information to ensure the GNU Lesser General Public License +** requirements will be met: https://www.gnu.org/licenses/lgpl.html and +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#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 <QtGui/private/qopengltextureblitter_p.h> + +QT_BEGIN_NAMESPACE + +class QOpenGLContext; +class QWindow; +class QPlatformTextureList; + +class QOpenGLCompositorWindow +{ +public: + 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); + QOpenGLContext *context() const { return m_context; } + QWindow *targetWindow() const { return m_targetWindow; } + + void update(); + + 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 renderAll(); + +private: + QOpenGLCompositor(); + ~QOpenGLCompositor(); + + void render(QOpenGLCompositorWindow *window); + + QOpenGLContext *m_context; + QWindow *m_targetWindow; + QTimer m_updateTimer; + QOpenGLTextureBlitter m_blitter; + QList<QOpenGLCompositorWindow *> m_windows; +}; + +QT_END_NAMESPACE + +#endif // QOPENGLCOMPOSITOR_H |