File indexing completed on 2024-05-19 05:31:26

 /*
     KWin - the KDE window manager
     This file is part of the KDE project.
 
     SPDX-FileCopyrightText: 2015 Martin Gräßlin <mgraesslin@kde.org>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 #pragma once
 
 #include "core/outputbackend.h"
 #include "utils/filedescriptor.h"
 
 #include <QRect>
 
 struct gbm_device;
 
 namespace KWin
 {
 class VirtualBackend;
 class VirtualOutput;
 
 class KWIN_EXPORT VirtualBackend : public OutputBackend
 {
     Q_OBJECT
 
 public:
     VirtualBackend(QObject *parent = nullptr);
     ~VirtualBackend() override;
 
     bool initialize() override;
 
     std::unique_ptr<QPainterBackend> createQPainterBackend() override;
     std::unique_ptr<OpenGLBackend> createOpenGLBackend() override;
 
     struct OutputInfo
     {
         QRect geometry;
         double scale = 1;
         bool internal = false;
     };
     Output *addOutput(const OutputInfo &info);
     void setVirtualOutputs(const QList<OutputInfo> &infos);
 
     Outputs outputs() const override;
 
     QList<CompositingType> supportedCompositors() const override;
 
     void setEglDisplay(std::unique_ptr<EglDisplay> &&display);
     EglDisplay *sceneEglDisplayObject() const override;
 
     gbm_device *gbmDevice() const;
 
 Q_SIGNALS:
     void virtualOutputsSet(bool countChanged);
 
 private:
     VirtualOutput *createOutput(const OutputInfo &info);
 
     QList<VirtualOutput *> m_outputs;
     std::unique_ptr<EglDisplay> m_display;
     FileDescriptor m_drmFileDescriptor;
     gbm_device *m_gbmDevice = nullptr;
 };
 
 } // namespace KWin