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/*
* Copyright (C) 2014 Canonical, Ltd.
*
* This program is free software: you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License version 3, as published by
* the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranties of MERCHANTABILITY,
* SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef QMIRCLIENTBACKINGSTORE_H
#define QMIRCLIENTBACKINGSTORE_H
#include <qpa/qplatformbackingstore.h>
class QOpenGLContext;
class QOpenGLTexture;
class QOpenGLTextureBlitter;
class QMirClientBackingStore : public QPlatformBackingStore
{
public:
QMirClientBackingStore(QWindow* window);
virtual ~QMirClientBackingStore();
// QPlatformBackingStore methods.
void beginPaint(const QRegion&) override;
void flush(QWindow* window, const QRegion& region, const QPoint& offset) override;
void resize(const QSize& size, const QRegion& staticContents) override;
QPaintDevice* paintDevice() override;
protected:
void updateTexture();
private:
QScopedPointer<QOpenGLContext> mContext;
QScopedPointer<QOpenGLTexture> mTexture;
QScopedPointer<QOpenGLTextureBlitter> mBlitter;
QImage mImage;
QRegion mDirty;
};
#endif // QMIRCLIENTBACKINGSTORE_H
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