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/placeholderoutput.cpp

@@ -0,0 +1,47 @@
+/*
+    SPDX-FileCopyrightText: 2022 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
+
+    SPDX-License-Identifier: GPL-2.0-or-later
+*/
+
+#include "placeholderoutput.h"
+
+namespace KWin
+{
+
+PlaceholderOutput::PlaceholderOutput(const QSize &size, qreal scale)
+{
+    auto mode = std::make_shared<OutputMode>(size, 60000);
+
+    m_renderLoop = std::make_unique<RenderLoop>(this);
+    m_renderLoop->setRefreshRate(mode->refreshRate());
+    m_renderLoop->inhibit();
+
+    setState(State{
+        .scale = scale,
+        .modes = {mode},
+        .currentMode = mode,
+        .enabled = true,
+    });
+
+    setInformation(Information{
+        .name = QStringLiteral("Placeholder-1"),
+        .placeholder = true,
+    });
+}
+
+PlaceholderOutput::~PlaceholderOutput()
+{
+    State state = m_state;
+    state.enabled = false;
+    setState(state);
+}
+
+RenderLoop *PlaceholderOutput::renderLoop() const
+{
+    return m_renderLoop.get();
+}
+
+} // namespace KWin
+
+#include "moc_placeholderoutput.cpp"