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/x11syncmanager.h

@@ -0,0 +1,82 @@
+/*
+    SPDX-FileCopyrightText: 2014 Fredrik Höglund <fredrik@kde.org>
+
+    SPDX-License-Identifier: GPL-2.0-or-later
+*/
+
+#pragma once
+
+#include "opengl/glutils.h"
+
+#include <xcb/sync.h>
+#include <xcb/xcb.h>
+
+namespace KWin
+{
+
+class RenderBackend;
+
+/**
+ * SyncObject represents a fence used to synchronize operations in the kwin command stream
+ * with operations in the X command stream.
+ */
+class X11SyncObject
+{
+public:
+    enum State {
+        Ready,
+        TriggerSent,
+        Waiting,
+        Done,
+        Resetting,
+    };
+
+    X11SyncObject();
+    ~X11SyncObject();
+
+    State state() const
+    {
+        return m_state;
+    }
+
+    void trigger();
+    void wait();
+    bool finish();
+    void reset();
+    void finishResetting();
+
+private:
+    State m_state;
+    GLsync m_sync;
+    xcb_sync_fence_t m_fence;
+    xcb_get_input_focus_cookie_t m_reset_cookie;
+};
+
+/**
+ * SyncManager manages a set of fences used for explicit synchronization with the X command
+ * stream.
+ */
+class X11SyncManager
+{
+public:
+    enum {
+        MaxFences = 4,
+    };
+
+    static X11SyncManager *create(RenderBackend *backend);
+    ~X11SyncManager();
+
+    bool endFrame();
+
+    void triggerFence();
+    void insertWait();
+
+private:
+    X11SyncManager();
+
+    X11SyncObject *m_currentFence = nullptr;
+    QList<X11SyncObject *> m_fences;
+    int m_next = 0;
+};
+
+} // namespace KWin