File indexing completed on 2025-04-13 05:00:13

 /*
     SPDX-FileCopyrightText: 2018 Fredrik Höglund <fredrik@kde.org>
     SPDX-FileCopyrightText: 2019 Roman Gilg <subdiff@gmail.com>
     SPDX-FileCopyrightText: 2021 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
     SPDX-FileCopyrightText: 2021 Xaver Hugl <xaver.hugl@gmail.com>
 
     SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
 */
 #pragma once
 
 #include "core/graphicsbuffer.h"
 
 #include <QHash>
 #include <QSet>
 #include <sys/types.h>
 #include <wayland-server.h>
 
 namespace KWin
 {
 
 class Display;
 class LinuxDmaBufV1ClientBufferIntegrationPrivate;
 class LinuxDmaBufV1FeedbackPrivate;
 class RenderBackend;
 
 class KWIN_EXPORT LinuxDmaBufV1Feedback : public QObject
 {
     Q_OBJECT
 public:
     ~LinuxDmaBufV1Feedback() override;
 
     enum class TrancheFlag : uint32_t {
         Scanout = 1,
     };
     Q_DECLARE_FLAGS(TrancheFlags, TrancheFlag)
 
     struct Tranche
     {
         dev_t device;
         TrancheFlags flags;
         QHash<uint32_t, QList<uint64_t>> formatTable;
     };
     /**
      * Sets the list of tranches for this feedback object, with lower indices
      * indicating a higher priority / a more optimal configuration.
      * The main device does not need to be included
      */
     void setTranches(const QList<Tranche> &tranches);
 
 private:
     LinuxDmaBufV1Feedback(LinuxDmaBufV1ClientBufferIntegrationPrivate *integration);
     friend class LinuxDmaBufV1ClientBufferIntegrationPrivate;
     friend class LinuxDmaBufV1FeedbackPrivate;
     std::unique_ptr<LinuxDmaBufV1FeedbackPrivate> d;
 };
 
 /**
  * The LinuxDmaBufV1ClientBufferIntegration class provides support for linux dma-buf buffers.
  */
 class KWIN_EXPORT LinuxDmaBufV1ClientBufferIntegration : public QObject
 {
     Q_OBJECT
 
 public:
     explicit LinuxDmaBufV1ClientBufferIntegration(Display *display);
     ~LinuxDmaBufV1ClientBufferIntegration() override;
 
     RenderBackend *renderBackend() const;
     void setRenderBackend(RenderBackend *renderBackend);
 
     void setSupportedFormatsWithModifiers(const QList<LinuxDmaBufV1Feedback::Tranche> &tranches);
 
 private:
     friend class LinuxDmaBufV1ClientBufferIntegrationPrivate;
     std::unique_ptr<LinuxDmaBufV1ClientBufferIntegrationPrivate> d;
 };
 
 } // namespace KWin