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Diffstat (limited to 'src/opengl/qopenglcompositorbackingstore_p.h')
-rw-r--r-- | src/opengl/qopenglcompositorbackingstore_p.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/src/opengl/qopenglcompositorbackingstore_p.h b/src/opengl/qopenglcompositorbackingstore_p.h new file mode 100644 index 0000000000..fcce75ab4e --- /dev/null +++ b/src/opengl/qopenglcompositorbackingstore_p.h @@ -0,0 +1,101 @@ +/**************************************************************************** +** +** 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 QOPENGLCOMPOSITORBACKINGSTORE_H +#define QOPENGLCOMPOSITORBACKINGSTORE_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 <QtOpenGL/qtopenglglobal.h> + +#include <qpa/qplatformbackingstore.h> +#include <QImage> +#include <QRegion> + +QT_BEGIN_NAMESPACE + +class QOpenGLContext; +class QPlatformTextureList; + +class Q_OPENGL_EXPORT QOpenGLCompositorBackingStore : public QPlatformBackingStore +{ +public: + QOpenGLCompositorBackingStore(QWindow *window); + ~QOpenGLCompositorBackingStore(); + + QPaintDevice *paintDevice() override; + + void beginPaint(const QRegion ®ion) override; + + void flush(QWindow *window, const QRegion ®ion, const QPoint &offset) override; + void resize(const QSize &size, const QRegion &staticContents) override; + + QImage toImage() const override; + void composeAndFlush(QWindow *window, const QRegion ®ion, const QPoint &offset, + QPlatformTextureList *textures, + bool translucentBackground) override; + + const QPlatformTextureList *textures() const { return m_textures; } + + void notifyComposited(); + +private: + void updateTexture(); + + QWindow *m_window; + QImage m_image; + QRegion m_dirty; + uint m_bsTexture; + QOpenGLContext *m_bsTextureContext; + QPlatformTextureList *m_textures; + QPlatformTextureList *m_lockedWidgetTextures; +}; + +QT_END_NAMESPACE + +#endif // QOPENGLCOMPOSITORBACKINGSTORE_H |