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1+/*
2+ * Copyright (C) 2016 - Canonical Ltd.
3+ *
4+ * This program is free software: you can redistribute it and/or modify it
5+ * under the terms of the GNU Lesser General Public License, as
6+ * published by the Free Software Foundation; either version 2.1 or 3.0
7+ * of the License.
8+ *
9+ * This program is distributed in the hope that it will be useful, but
10+ * WITHOUT ANY WARRANTY; without even the implied warranties of
11+ * MERCHANTABILITY, SATISFACTORY QUALITY or FITNESS FOR A PARTICULAR
12+ * PURPOSE. See the applicable version of the GNU Lesser General Public
13+ * License for more details.
14+ *
15+ * You should have received a copy of both the GNU Lesser General Public
16+ * License along with this program. If not, see <http://www.gnu.org/licenses/>
17+ */
18+
19+#include "DebuggingController.h"
20+
21+#include <QGuiApplication>
22+#include <QWindow>
23+#include <private/qquickwindow_p.h>
24+#include <private/qabstractanimationjob_p.h>
25+#include <private/qquickitem_p.h>
26+#include <private/qsgrenderer_p.h>
27+
28+
29+class ApplySceneGraphVisualizationJob : public QRunnable
30+{
31+public:
32+ ApplySceneGraphVisualizationJob(QQuickWindow *window, QByteArray renderMode)
33+ : m_window(window), m_renderMode(renderMode){}
34+ void run() override
35+ {
36+ qDebug() << "Setting custom render mode to:" << m_renderMode;
37+
38+ QQuickWindowPrivate *winPriv = QQuickWindowPrivate::get(m_window);
39+
40+ winPriv->customRenderMode = m_renderMode;
41+ delete winPriv->renderer;
42+ winPriv->renderer = nullptr;
43+
44+ QTimer::singleShot(10, m_window, &QQuickWindow::update); // force another frame
45+ }
46+
47+ QQuickWindow *m_window;
48+ QByteArray m_renderMode;
49+};
50+
51+DebuggingController::DebuggingController(QObject *parent):
52+ UnityDBusObject(QStringLiteral("/com/canonical/Unity8/Debugging"), QStringLiteral("com.canonical.Unity8"), true, parent)
53+{
54+}
55+
56+void DebuggingController::SetSceneGraphVisualizer(const QString &visualizer)
57+{
58+ QByteArray pendingRenderMode;
59+ QStringList supportedRenderModes = {"clip", "overdraw", "changes", "batches"};
60+ if (supportedRenderModes.contains(visualizer)) {
61+ pendingRenderMode = visualizer.toLatin1();
62+ }
63+
64+ Q_FOREACH (QWindow *window, QGuiApplication::allWindows()) {
65+ QQuickWindow* qquickWindow = qobject_cast<QQuickWindow*>(window);
66+ if (qquickWindow) {
67+
68+#if QT_VERSION >= QT_VERSION_CHECK(5, 5, 0)
69+ // Qt does some performance optimizations that break custom render modes.
70+ // Thus the optimizations are only applied if there is no custom render mode set.
71+ // So we need to make the scenegraph recheck whether a custom render mode is set.
72+ // We do this by simply recreating the renderer.
73+ qquickWindow->scheduleRenderJob(new ApplySceneGraphVisualizationJob(qquickWindow, pendingRenderMode),
74+ QQuickWindow::AfterSwapStage);
75+#else
76+ QQuickWindowPrivate *winPriv = QQuickWindowPrivate::get(qquickWindow);
77+ winPriv->customRenderMode = visualizer.toLatin1();
78+#endif
79+ qquickWindow->update();
80+ }
81+ }
82+}
83+
84+void DebuggingController::SetSlowAnimations(bool slowAnimations)
85+{
86+ QUnifiedTimer::instance()->setSlowModeEnabled(slowAnimations);
87+}
88+
89+void DebuggingController::SetLoggingFilterRules(const QString &filterRules)
90+{
91+ QLoggingCategory::setFilterRules(filterRules);
92+}