linuxdmabufv1clientbuffer.h

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/*
    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;
    };
    void setTranches(const QList<Tranche> &tranches);
 
private:
    LinuxDmaBufV1Feedback(LinuxDmaBufV1ClientBufferIntegrationPrivate *integration);
    friend class LinuxDmaBufV1ClientBufferIntegrationPrivate;
    friend class LinuxDmaBufV1FeedbackPrivate;
    std::unique_ptr<LinuxDmaBufV1FeedbackPrivate> d;
};
 
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