Advance Wayland and KDE package bring-up

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

local/recipes/kde/kwin/source/src/wayland/linuxdmabufv1clientbuffer.h

@@ -0,0 +1,82 @@
+/*
+    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 DrmDevice;
+
+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 setScanoutTranches(DrmDevice *device, const QHash<uint32_t, QList<uint64_t>> &formats);
+    void setTranches(const QList<Tranche> &tranches);
+
+private:
+    static QList<Tranche> createScanoutTranches(const QList<Tranche> &tranches, DrmDevice *device, const QHash<uint32_t, QList<uint64_t>> &formats);
+
+    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