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/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2016 Martin Gräßlin <mgraesslin@kde.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*********************************************************************/
#include "kwin_wayland_test.h"
#include "composite.h"
#include "effectloader.h"
#include "cursor.h"
#include "platform.h"
#include "scene_qpainter.h"
#include "shell_client.h"
#include "wayland_server.h"
#include "effect_builtins.h"
#include <KConfigGroup>
#include <KWayland/Client/seat.h>
#include <KWayland/Client/shell.h>
#include <KWayland/Client/surface.h>
#include <KWayland/Client/pointer.h>
#include <QPainter>
using namespace KWin;
static const QString s_socketName = QStringLiteral("wayland_test_kwin_scene_qpainter-0");
class SceneQPainterTest : public QObject
{
Q_OBJECT
private Q_SLOTS:
void initTestCase();
void cleanup();
void testStartFrame();
void testCursorMoving();
void testWindow_data();
void testWindow();
void testCompositorRestart_data();
void testCompositorRestart();
};
void SceneQPainterTest::cleanup()
{
Test::destroyWaylandConnection();
}
void SceneQPainterTest::initTestCase()
{
qRegisterMetaType<KWin::ShellClient*>();
qRegisterMetaType<KWin::AbstractClient*>();
QSignalSpy workspaceCreatedSpy(kwinApp(), &Application::workspaceCreated);
QVERIFY(workspaceCreatedSpy.isValid());
kwinApp()->platform()->setInitialWindowSize(QSize(1280, 1024));
QVERIFY(waylandServer()->init(s_socketName.toLocal8Bit()));
// disable all effects - we don't want to have it interact with the rendering
auto config = KSharedConfig::openConfig(QString(), KConfig::SimpleConfig);
KConfigGroup plugins(config, QStringLiteral("Plugins"));
ScriptedEffectLoader loader;
const auto builtinNames = BuiltInEffects::availableEffectNames() << loader.listOfKnownEffects();
for (QString name : builtinNames) {
plugins.writeEntry(name + QStringLiteral("Enabled"), false);
}
config->sync();
kwinApp()->setConfig(config);
qputenv("XCURSOR_THEME", QByteArrayLiteral("DMZ-White"));
qputenv("XCURSOR_SIZE", QByteArrayLiteral("24"));
qputenv("KWIN_COMPOSE", QByteArrayLiteral("Q"));
kwinApp()->start();
QVERIFY(workspaceCreatedSpy.wait());
QVERIFY(Compositor::self());
}
void SceneQPainterTest::testStartFrame()
{
// this test verifies that the initial rendering is correct
Compositor::self()->addRepaintFull();
auto scene = qobject_cast<SceneQPainter*>(Compositor::self()->scene());
QVERIFY(scene);
QSignalSpy frameRenderedSpy(scene, &Scene::frameRendered);
QVERIFY(frameRenderedSpy.isValid());
QVERIFY(frameRenderedSpy.wait());
// now let's render a reference image for comparison
QImage referenceImage(QSize(1280, 1024), QImage::Format_RGB32);
referenceImage.fill(Qt::black);
QPainter p(&referenceImage);
const QImage cursorImage = kwinApp()->platform()->softwareCursor();
QVERIFY(!cursorImage.isNull());
p.drawImage(KWin::Cursor::pos() - kwinApp()->platform()->softwareCursorHotspot(), cursorImage);
QCOMPARE(referenceImage, *scene->backend()->buffer());
}
void SceneQPainterTest::testCursorMoving()
{
// this test verifies that rendering is correct also after moving the cursor a few times
auto scene = qobject_cast<SceneQPainter*>(Compositor::self()->scene());
QVERIFY(scene);
QSignalSpy frameRenderedSpy(scene, &Scene::frameRendered);
QVERIFY(frameRenderedSpy.isValid());
KWin::Cursor::setPos(0, 0);
QVERIFY(frameRenderedSpy.wait());
KWin::Cursor::setPos(10, 0);
QVERIFY(frameRenderedSpy.wait());
KWin::Cursor::setPos(10, 12);
QVERIFY(frameRenderedSpy.wait());
KWin::Cursor::setPos(12, 14);
QVERIFY(frameRenderedSpy.wait());
KWin::Cursor::setPos(50, 60);
QVERIFY(frameRenderedSpy.wait());
KWin::Cursor::setPos(45, 45);
QVERIFY(frameRenderedSpy.wait());
// now let's render a reference image for comparison
QImage referenceImage(QSize(1280, 1024), QImage::Format_RGB32);
referenceImage.fill(Qt::black);
QPainter p(&referenceImage);
const QImage cursorImage = kwinApp()->platform()->softwareCursor();
QVERIFY(!cursorImage.isNull());
p.drawImage(QPoint(45, 45) - kwinApp()->platform()->softwareCursorHotspot(), cursorImage);
QCOMPARE(referenceImage, *scene->backend()->buffer());
}
void SceneQPainterTest::testWindow_data()
{
QTest::addColumn<Test::ShellSurfaceType>("type");
QTest::newRow("wlShell") << Test::ShellSurfaceType::WlShell;
QTest::newRow("xdgShellV5") << Test::ShellSurfaceType::XdgShellV5;
}
void SceneQPainterTest::testWindow()
{
KWin::Cursor::setPos(45, 45);
// this test verifies that a window is rendered correctly
using namespace KWayland::Client;
QVERIFY(Test::setupWaylandConnection(s_socketName, Test::AdditionalWaylandInterface::Seat));
QVERIFY(Test::waitForWaylandPointer());
QScopedPointer<Surface> s(Test::createSurface());
QFETCH(Test::ShellSurfaceType, type);
QScopedPointer<QObject> ss(Test::createShellSurface(type, s.data()));
QScopedPointer<Pointer> p(Test::waylandSeat()->createPointer());
auto scene = qobject_cast<SceneQPainter*>(KWin::Compositor::self()->scene());
QVERIFY(scene);
QSignalSpy frameRenderedSpy(scene, &Scene::frameRendered);
QVERIFY(frameRenderedSpy.isValid());
// now let's map the window
QVERIFY(Test::renderAndWaitForShown(s.data(), QSize(200, 300), Qt::blue));
// which should trigger a frame
if (frameRenderedSpy.isEmpty()) {
QVERIFY(frameRenderedSpy.wait());
}
// we didn't set a cursor image on the surface yet, so it should be just black + window
QImage referenceImage(QSize(1280, 1024), QImage::Format_RGB32);
referenceImage.fill(Qt::black);
QPainter painter(&referenceImage);
painter.fillRect(0, 0, 200, 300, Qt::blue);
QCOMPARE(referenceImage, *scene->backend()->buffer());
// now let's set a cursor image
QScopedPointer<Surface> cs(Test::createSurface());
QVERIFY(!cs.isNull());
Test::render(cs.data(), QSize(10, 10), Qt::red);
p->setCursor(cs.data(), QPoint(5, 5));
QVERIFY(frameRenderedSpy.wait());
painter.fillRect(KWin::Cursor::pos().x() - 5, KWin::Cursor::pos().y() - 5, 10, 10, Qt::red);
QCOMPARE(referenceImage, *scene->backend()->buffer());
// let's move the cursor again
KWin::Cursor::setPos(10, 10);
QVERIFY(frameRenderedSpy.wait());
painter.fillRect(0, 0, 200, 300, Qt::blue);
painter.fillRect(5, 5, 10, 10, Qt::red);
QCOMPARE(referenceImage, *scene->backend()->buffer());
}
void SceneQPainterTest::testCompositorRestart_data()
{
QTest::addColumn<Test::ShellSurfaceType>("type");
QTest::newRow("wlShell") << Test::ShellSurfaceType::WlShell;
QTest::newRow("xdgShellV5") << Test::ShellSurfaceType::XdgShellV5;
}
void SceneQPainterTest::testCompositorRestart()
{
// this test verifies that the compositor/SceneQPainter survive a restart of the compositor and still render correctly
KWin::Cursor::setPos(400, 400);
// first create a window
using namespace KWayland::Client;
QVERIFY(Test::setupWaylandConnection(s_socketName));
QScopedPointer<Surface> s(Test::createSurface());
QFETCH(Test::ShellSurfaceType, type);
QScopedPointer<QObject> ss(Test::createShellSurface(type, s.data()));
QVERIFY(Test::renderAndWaitForShown(s.data(), QSize(200, 300), Qt::blue));
// now let's try to reinitialize the compositing scene
auto oldScene = KWin::Compositor::self()->scene();
QVERIFY(oldScene);
QSignalSpy sceneCreatedSpy(KWin::Compositor::self(), &KWin::Compositor::sceneCreated);
QVERIFY(sceneCreatedSpy.isValid());
KWin::Compositor::self()->slotReinitialize();
if (sceneCreatedSpy.isEmpty()) {
QVERIFY(sceneCreatedSpy.wait());
}
QCOMPARE(sceneCreatedSpy.count(), 1);
auto scene = qobject_cast<SceneQPainter*>(KWin::Compositor::self()->scene());
QVERIFY(scene);
// this should directly trigger a frame
KWin::Compositor::self()->addRepaintFull();
QSignalSpy frameRenderedSpy(scene, &Scene::frameRendered);
QVERIFY(frameRenderedSpy.isValid());
QVERIFY(frameRenderedSpy.wait());
// render reference image
QImage referenceImage(QSize(1280, 1024), QImage::Format_RGB32);
referenceImage.fill(Qt::black);
QPainter painter(&referenceImage);
painter.fillRect(0, 0, 200, 300, Qt::blue);
const QImage cursorImage = kwinApp()->platform()->softwareCursor();
QVERIFY(!cursorImage.isNull());
painter.drawImage(QPoint(400, 400) - kwinApp()->platform()->softwareCursorHotspot(), cursorImage);
QCOMPARE(referenceImage, *scene->backend()->buffer());
}
WAYLANDTEST_MAIN(SceneQPainterTest)
#include "scene_qpainter_test.moc"