kwin/autotests/integration/buffer_size_change_test.cpp
2022-04-27 12:45:46 +00:00

118 lines
3.6 KiB
C++

/*
KWin - the KDE window manager
This file is part of the KDE project.
SPDX-FileCopyrightText: 2019 Roman Gilg <subdiff@gmail.com>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "generic_scene_opengl_test.h"
#include "composite.h"
#include "scene.h"
#include "wayland_server.h"
#include "window.h"
#include <KWayland/Client/subsurface.h>
#include <KWayland/Client/surface.h>
namespace KWin
{
static const QString s_socketName = QStringLiteral("wayland_test_buffer_size_change-0");
class BufferSizeChangeTest : public GenericSceneOpenGLTest
{
Q_OBJECT
public:
BufferSizeChangeTest()
: GenericSceneOpenGLTest(QByteArrayLiteral("O2"))
{
}
private Q_SLOTS:
void init();
void testShmBufferSizeChange();
void testShmBufferSizeChangeOnSubSurface();
};
void BufferSizeChangeTest::init()
{
QVERIFY(Test::setupWaylandConnection());
}
void BufferSizeChangeTest::testShmBufferSizeChange()
{
// This test verifies that an SHM buffer size change is handled correctly
using namespace KWayland::Client;
QScopedPointer<KWayland::Client::Surface> surface(Test::createSurface());
QVERIFY(!surface.isNull());
QScopedPointer<Test::XdgToplevel> shellSurface(Test::createXdgToplevelSurface(surface.data()));
QVERIFY(!shellSurface.isNull());
// set buffer size
Window *window = Test::renderAndWaitForShown(surface.data(), QSize(100, 50), Qt::blue);
QVERIFY(window);
// add a first repaint
QSignalSpy frameRenderedSpy(Compositor::self()->scene(), &Scene::frameRendered);
QVERIFY(frameRenderedSpy.isValid());
Compositor::self()->scene()->addRepaintFull();
QVERIFY(frameRenderedSpy.wait());
// now change buffer size
Test::render(surface.data(), QSize(30, 10), Qt::red);
QSignalSpy damagedSpy(window, &Window::damaged);
QVERIFY(damagedSpy.isValid());
QVERIFY(damagedSpy.wait());
KWin::Compositor::self()->scene()->addRepaintFull();
QVERIFY(frameRenderedSpy.wait());
}
void BufferSizeChangeTest::testShmBufferSizeChangeOnSubSurface()
{
using namespace KWayland::Client;
// setup parent surface
QScopedPointer<KWayland::Client::Surface> parentSurface(Test::createSurface());
QVERIFY(!parentSurface.isNull());
QScopedPointer<Test::XdgToplevel> shellSurface(Test::createXdgToplevelSurface(parentSurface.data()));
QVERIFY(!shellSurface.isNull());
// setup sub surface
QScopedPointer<KWayland::Client::Surface> surface(Test::createSurface());
QVERIFY(!surface.isNull());
QScopedPointer<SubSurface> subSurface(Test::createSubSurface(surface.data(), parentSurface.data()));
QVERIFY(!subSurface.isNull());
// set buffer sizes
Test::render(surface.data(), QSize(30, 10), Qt::red);
Window *parent = Test::renderAndWaitForShown(parentSurface.data(), QSize(100, 50), Qt::blue);
QVERIFY(parent);
// add a first repaint
QSignalSpy frameRenderedSpy(Compositor::self()->scene(), &Scene::frameRendered);
QVERIFY(frameRenderedSpy.isValid());
Compositor::self()->scene()->addRepaintFull();
QVERIFY(frameRenderedSpy.wait());
// change buffer size of sub surface
QSignalSpy damagedParentSpy(parent, &Window::damaged);
QVERIFY(damagedParentSpy.isValid());
Test::render(surface.data(), QSize(20, 10), Qt::red);
parentSurface->commit(KWayland::Client::Surface::CommitFlag::None);
QVERIFY(damagedParentSpy.wait());
// add a second repaint
KWin::Compositor::self()->scene()->addRepaintFull();
QVERIFY(frameRenderedSpy.wait());
}
}
WAYLANDTEST_MAIN(KWin::BufferSizeChangeTest)
#include "buffer_size_change_test.moc"