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399 lines
15 KiB
C++
399 lines
15 KiB
C++
/*
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KWin - the KDE window manager
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This file is part of the KDE project.
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SPDX-FileCopyrightText: 2016 Martin Gräßlin <mgraesslin@kde.org>
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SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "kwin_wayland_test.h"
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#include "composite.h"
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#include "cursor.h"
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#include "effectloader.h"
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#include "effects.h"
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#include "platform.h"
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#include "wayland/shmclientbuffer.h"
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#include "wayland/surface_interface.h"
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#include "wayland_server.h"
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#include "workspace.h"
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#include "x11window.h"
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#include <KConfigGroup>
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#include <KWayland/Client/pointer.h>
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#include <KWayland/Client/seat.h>
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#include <KWayland/Client/surface.h>
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#include <QPainter>
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#include <netwm.h>
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#include <xcb/xcb_icccm.h>
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using namespace KWin;
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static const QString s_socketName = QStringLiteral("wayland_test_kwin_scene_qpainter-0");
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class SceneQPainterTest : public QObject
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{
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Q_OBJECT
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private Q_SLOTS:
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void initTestCase();
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void cleanup();
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void testStartFrame();
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void testCursorMoving();
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void testWindow();
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void testWindowScaled();
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void testCompositorRestart();
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void testX11Window();
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private:
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QImage grab(Output *output);
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};
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void SceneQPainterTest::cleanup()
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{
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Test::destroyWaylandConnection();
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}
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void SceneQPainterTest::initTestCase()
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{
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qRegisterMetaType<KWin::Window *>();
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QSignalSpy applicationStartedSpy(kwinApp(), &Application::started);
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QVERIFY(applicationStartedSpy.isValid());
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kwinApp()->platform()->setInitialWindowSize(QSize(1280, 1024));
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QVERIFY(waylandServer()->init(s_socketName));
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// disable all effects - we don't want to have it interact with the rendering
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auto config = KSharedConfig::openConfig(QString(), KConfig::SimpleConfig);
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KConfigGroup plugins(config, QStringLiteral("Plugins"));
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const auto builtinNames = EffectLoader().listOfKnownEffects();
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for (QString name : builtinNames) {
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plugins.writeEntry(name + QStringLiteral("Enabled"), false);
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}
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config->sync();
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kwinApp()->setConfig(config);
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if (!QStandardPaths::locateAll(QStandardPaths::GenericDataLocation, QStringLiteral("icons/DMZ-White/index.theme")).isEmpty()) {
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qputenv("XCURSOR_THEME", QByteArrayLiteral("DMZ-White"));
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} else {
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// might be vanilla-dmz (e.g. Arch, FreeBSD)
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qputenv("XCURSOR_THEME", QByteArrayLiteral("Vanilla-DMZ"));
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}
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qputenv("XCURSOR_SIZE", QByteArrayLiteral("24"));
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qputenv("KWIN_COMPOSE", QByteArrayLiteral("Q"));
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kwinApp()->start();
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QVERIFY(applicationStartedSpy.wait());
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QVERIFY(Compositor::self());
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}
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QImage SceneQPainterTest::grab(Output *output)
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{
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QImage image;
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QMetaObject::invokeMethod(kwinApp()->platform(),
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"captureOutput",
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Qt::DirectConnection,
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Q_RETURN_ARG(QImage, image),
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Q_ARG(Output *, output));
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return image;
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}
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void SceneQPainterTest::testStartFrame()
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{
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// this test verifies that the initial rendering is correct
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Compositor::self()->scene()->addRepaintFull();
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auto scene = Compositor::self()->scene();
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QVERIFY(scene);
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QCOMPARE(kwinApp()->platform()->selectedCompositor(), QPainterCompositing);
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QSignalSpy frameRenderedSpy(scene, &Scene::frameRendered);
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QVERIFY(frameRenderedSpy.isValid());
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QVERIFY(frameRenderedSpy.wait());
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// now let's render a reference image for comparison
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QImage referenceImage(QSize(1280, 1024), QImage::Format_RGB32);
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referenceImage.fill(Qt::black);
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QPainter p(&referenceImage);
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auto cursor = KWin::Cursors::self()->mouse();
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const QImage cursorImage = cursor->image();
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QVERIFY(!cursorImage.isNull());
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p.drawImage(cursor->pos() - cursor->hotspot(), cursorImage);
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const auto outputs = workspace()->outputs();
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QCOMPARE(referenceImage, grab(outputs.constFirst()));
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}
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void SceneQPainterTest::testCursorMoving()
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{
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// this test verifies that rendering is correct also after moving the cursor a few times
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auto scene = Compositor::self()->scene();
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QVERIFY(scene);
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QSignalSpy frameRenderedSpy(scene, &Scene::frameRendered);
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QVERIFY(frameRenderedSpy.isValid());
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KWin::Cursors::self()->mouse()->setPos(0, 0);
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QVERIFY(frameRenderedSpy.wait());
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KWin::Cursors::self()->mouse()->setPos(10, 0);
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QVERIFY(frameRenderedSpy.wait());
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KWin::Cursors::self()->mouse()->setPos(10, 12);
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QVERIFY(frameRenderedSpy.wait());
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KWin::Cursors::self()->mouse()->setPos(12, 14);
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QVERIFY(frameRenderedSpy.wait());
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KWin::Cursors::self()->mouse()->setPos(50, 60);
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QVERIFY(frameRenderedSpy.wait());
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KWin::Cursors::self()->mouse()->setPos(45, 45);
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QVERIFY(frameRenderedSpy.wait());
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// now let's render a reference image for comparison
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QImage referenceImage(QSize(1280, 1024), QImage::Format_RGB32);
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referenceImage.fill(Qt::black);
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QPainter p(&referenceImage);
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auto cursor = Cursors::self()->currentCursor();
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const QImage cursorImage = cursor->image();
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QVERIFY(!cursorImage.isNull());
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p.drawImage(QPoint(45, 45) - cursor->hotspot(), cursorImage);
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const auto outputs = workspace()->outputs();
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QCOMPARE(referenceImage, grab(outputs.constFirst()));
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}
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void SceneQPainterTest::testWindow()
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{
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KWin::Cursors::self()->mouse()->setPos(45, 45);
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// this test verifies that a window is rendered correctly
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using namespace KWayland::Client;
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QVERIFY(Test::setupWaylandConnection(Test::AdditionalWaylandInterface::Seat));
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QVERIFY(Test::waitForWaylandPointer());
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std::unique_ptr<KWayland::Client::Surface> s(Test::createSurface());
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std::unique_ptr<Test::XdgToplevel> ss(Test::createXdgToplevelSurface(s.get()));
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std::unique_ptr<Pointer> p(Test::waylandSeat()->createPointer());
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auto scene = KWin::Compositor::self()->scene();
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QVERIFY(scene);
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QSignalSpy frameRenderedSpy(scene, &Scene::frameRendered);
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QVERIFY(frameRenderedSpy.isValid());
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// now let's map the window
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QVERIFY(Test::renderAndWaitForShown(s.get(), QSize(200, 300), Qt::blue));
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// which should trigger a frame
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if (frameRenderedSpy.isEmpty()) {
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QVERIFY(frameRenderedSpy.wait());
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}
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// we didn't set a cursor image on the surface yet, so it should be just black + window and previous cursor
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QImage referenceImage(QSize(1280, 1024), QImage::Format_RGB32);
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referenceImage.fill(Qt::black);
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QPainter painter(&referenceImage);
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painter.fillRect(0, 0, 200, 300, Qt::blue);
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// now let's set a cursor image
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std::unique_ptr<KWayland::Client::Surface> cs(Test::createSurface());
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QVERIFY(cs != nullptr);
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Test::render(cs.get(), QSize(10, 10), Qt::red);
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p->setCursor(cs.get(), QPoint(5, 5));
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QVERIFY(frameRenderedSpy.wait());
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painter.fillRect(KWin::Cursors::self()->mouse()->pos().x() - 5, KWin::Cursors::self()->mouse()->pos().y() - 5, 10, 10, Qt::red);
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const auto outputs = workspace()->outputs();
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QCOMPARE(referenceImage, grab(outputs.constFirst()));
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// let's move the cursor again
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KWin::Cursors::self()->mouse()->setPos(10, 10);
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QVERIFY(frameRenderedSpy.wait());
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painter.fillRect(0, 0, 200, 300, Qt::blue);
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painter.fillRect(5, 5, 10, 10, Qt::red);
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QCOMPARE(referenceImage, grab(outputs.constFirst()));
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}
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void SceneQPainterTest::testWindowScaled()
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{
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KWin::Cursors::self()->mouse()->setPos(10, 10);
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// this test verifies that a window is rendered correctly
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using namespace KWayland::Client;
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QVERIFY(Test::setupWaylandConnection(Test::AdditionalWaylandInterface::Seat));
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QVERIFY(Test::waitForWaylandPointer());
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std::unique_ptr<KWayland::Client::Surface> s(Test::createSurface());
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std::unique_ptr<Test::XdgToplevel> ss(Test::createXdgToplevelSurface(s.get()));
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std::unique_ptr<Pointer> p(Test::waylandSeat()->createPointer());
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QSignalSpy pointerEnteredSpy(p.get(), &Pointer::entered);
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QVERIFY(pointerEnteredSpy.isValid());
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auto scene = KWin::Compositor::self()->scene();
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QVERIFY(scene);
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QSignalSpy frameRenderedSpy(scene, &Scene::frameRendered);
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QVERIFY(frameRenderedSpy.isValid());
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// now let's set a cursor image
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std::unique_ptr<KWayland::Client::Surface> cs(Test::createSurface());
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QVERIFY(cs != nullptr);
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Test::render(cs.get(), QSize(10, 10), Qt::red);
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// now let's map the window
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s->setScale(2);
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// draw a blue square@400x600 with red rectangle@200x200 in the middle
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const QSize size(400, 600);
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QImage img(size, QImage::Format_ARGB32_Premultiplied);
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img.fill(Qt::blue);
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QPainter surfacePainter(&img);
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surfacePainter.fillRect(200, 300, 200, 200, Qt::red);
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// add buffer
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Test::render(s.get(), img);
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QVERIFY(pointerEnteredSpy.wait());
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p->setCursor(cs.get(), QPoint(5, 5));
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// which should trigger a frame
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QVERIFY(frameRenderedSpy.wait());
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QImage referenceImage(QSize(1280, 1024), QImage::Format_RGB32);
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referenceImage.fill(Qt::black);
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QPainter painter(&referenceImage);
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painter.fillRect(0, 0, 200, 300, Qt::blue);
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painter.fillRect(100, 150, 100, 100, Qt::red);
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painter.fillRect(5, 5, 10, 10, Qt::red); // cursor
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const auto outputs = workspace()->outputs();
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QCOMPARE(referenceImage, grab(outputs.constFirst()));
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}
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void SceneQPainterTest::testCompositorRestart()
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{
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// this test verifies that the compositor/SceneQPainter survive a restart of the compositor and still render correctly
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KWin::Cursors::self()->mouse()->setPos(400, 400);
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// first create a window
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using namespace KWayland::Client;
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QVERIFY(Test::setupWaylandConnection());
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std::unique_ptr<KWayland::Client::Surface> s(Test::createSurface());
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std::unique_ptr<Test::XdgToplevel> ss(Test::createXdgToplevelSurface(s.get()));
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QVERIFY(Test::renderAndWaitForShown(s.get(), QSize(200, 300), Qt::blue));
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// now let's try to reinitialize the compositing scene
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auto oldScene = KWin::Compositor::self()->scene();
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QVERIFY(oldScene);
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QSignalSpy sceneCreatedSpy(KWin::Compositor::self(), &KWin::Compositor::sceneCreated);
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QVERIFY(sceneCreatedSpy.isValid());
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KWin::Compositor::self()->reinitialize();
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if (sceneCreatedSpy.isEmpty()) {
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QVERIFY(sceneCreatedSpy.wait());
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}
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QCOMPARE(sceneCreatedSpy.count(), 1);
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auto scene = KWin::Compositor::self()->scene();
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QVERIFY(scene);
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// this should directly trigger a frame
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KWin::Compositor::self()->scene()->addRepaintFull();
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QSignalSpy frameRenderedSpy(scene, &Scene::frameRendered);
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QVERIFY(frameRenderedSpy.isValid());
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QVERIFY(frameRenderedSpy.wait());
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// render reference image
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QImage referenceImage(QSize(1280, 1024), QImage::Format_RGB32);
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referenceImage.fill(Qt::black);
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QPainter painter(&referenceImage);
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painter.fillRect(0, 0, 200, 300, Qt::blue);
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auto cursor = Cursors::self()->mouse();
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const QImage cursorImage = cursor->image();
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QVERIFY(!cursorImage.isNull());
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painter.drawImage(QPoint(400, 400) - cursor->hotspot(), cursorImage);
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const auto outputs = workspace()->outputs();
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QCOMPARE(referenceImage, grab(outputs.constFirst()));
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}
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struct XcbConnectionDeleter
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{
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void operator()(xcb_connection_t *pointer)
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{
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xcb_disconnect(pointer);
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}
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};
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static bool waitForXwaylandBuffer(Window *window, const QSize &size)
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{
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// Usually, when an Xwayland surface is created, it has a buffer of size 1x1,
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// a buffer with the correct size will be committed a bit later.
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KWaylandServer::SurfaceInterface *surface = window->surface();
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int attemptCount = 0;
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do {
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if (surface->buffer() && surface->buffer()->size() == size) {
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return true;
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}
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QSignalSpy committedSpy(surface, &KWaylandServer::SurfaceInterface::committed);
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if (!committedSpy.wait()) {
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return false;
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}
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++attemptCount;
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} while (attemptCount <= 3);
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return false;
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}
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void SceneQPainterTest::testX11Window()
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{
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// this test verifies the condition of BUG: 382748
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// create X11 window
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QSignalSpy windowAddedSpy(effects, &EffectsHandler::windowAdded);
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QVERIFY(windowAddedSpy.isValid());
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// create an xcb window
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std::unique_ptr<xcb_connection_t, XcbConnectionDeleter> c(xcb_connect(nullptr, nullptr));
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QVERIFY(!xcb_connection_has_error(c.get()));
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const QRect windowGeometry(0, 0, 100, 200);
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xcb_window_t windowId = xcb_generate_id(c.get());
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uint32_t value = Xcb::defaultScreen()->white_pixel;
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xcb_create_window(c.get(), XCB_COPY_FROM_PARENT, windowId, rootWindow(),
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windowGeometry.x(),
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windowGeometry.y(),
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windowGeometry.width(),
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windowGeometry.height(),
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0, XCB_WINDOW_CLASS_INPUT_OUTPUT, XCB_COPY_FROM_PARENT, XCB_CW_BACK_PIXEL, &value);
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xcb_size_hints_t hints;
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memset(&hints, 0, sizeof(hints));
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xcb_icccm_size_hints_set_position(&hints, 1, windowGeometry.x(), windowGeometry.y());
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xcb_icccm_size_hints_set_size(&hints, 1, windowGeometry.width(), windowGeometry.height());
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xcb_icccm_set_wm_normal_hints(c.get(), windowId, &hints);
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xcb_map_window(c.get(), windowId);
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xcb_flush(c.get());
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// we should get a window for it
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QSignalSpy windowCreatedSpy(workspace(), &Workspace::windowAdded);
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QVERIFY(windowCreatedSpy.isValid());
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QVERIFY(windowCreatedSpy.wait());
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X11Window *window = windowCreatedSpy.first().first().value<X11Window *>();
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QVERIFY(window);
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QCOMPARE(window->window(), windowId);
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QCOMPARE(window->clientSize(), QSize(100, 200));
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QVERIFY(Test::waitForWaylandSurface(window));
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QVERIFY(waitForXwaylandBuffer(window, window->size().toSize()));
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QImage compareImage(window->clientSize().toSize(), QImage::Format_RGB32);
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compareImage.fill(Qt::white);
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auto buffer = qobject_cast<KWaylandServer::ShmClientBuffer *>(window->surface()->buffer());
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QCOMPARE(buffer->data().copy(QRectF(window->clientPos(), window->clientSize()).toRect()), compareImage);
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// enough time for rendering the window
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QTest::qWait(100);
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auto scene = KWin::Compositor::self()->scene();
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QVERIFY(scene);
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// this should directly trigger a frame
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KWin::Compositor::self()->scene()->addRepaintFull();
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QSignalSpy frameRenderedSpy(scene, &Scene::frameRendered);
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QVERIFY(frameRenderedSpy.isValid());
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QVERIFY(frameRenderedSpy.wait());
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const QPointF startPos = window->pos() + window->clientPos();
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auto image = grab(workspace()->outputs().constFirst());
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QCOMPARE(image.copy(QRectF(startPos, window->clientSize()).toAlignedRect()), compareImage);
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// and destroy the window again
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xcb_unmap_window(c.get(), windowId);
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xcb_flush(c.get());
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QSignalSpy windowClosedSpy(window, &X11Window::windowClosed);
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QVERIFY(windowClosedSpy.isValid());
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QVERIFY(windowClosedSpy.wait());
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xcb_destroy_window(c.get(), windowId);
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c.reset();
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}
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WAYLANDTEST_MAIN(SceneQPainterTest)
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#include "scene_qpainter_test.moc"
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