017528956b
This way the Compositor can know if per screen rendering is enabled before creating the Scene.
137 lines
3.4 KiB
C++
137 lines
3.4 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: 2015 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 "virtual_backend.h"
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#include "virtual_output.h"
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#include "scene_qpainter_virtual_backend.h"
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#include "screens_virtual.h"
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#include "wayland_server.h"
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#include "egl_gbm_backend.h"
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// Qt
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#include <QTemporaryDir>
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// KWayland
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#include <KWaylandServer/seat_interface.h>
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// system
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#include <fcntl.h>
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#include <unistd.h>
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#include <config-kwin.h>
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namespace KWin
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{
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VirtualBackend::VirtualBackend(QObject *parent)
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: Platform(parent)
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{
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if (qEnvironmentVariableIsSet("KWIN_WAYLAND_VIRTUAL_SCREENSHOTS")) {
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m_screenshotDir.reset(new QTemporaryDir);
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if (!m_screenshotDir->isValid()) {
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m_screenshotDir.reset();
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}
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if (!m_screenshotDir.isNull()) {
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qDebug() << "Screenshots saved to: " << m_screenshotDir->path();
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}
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}
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setSupportsPointerWarping(true);
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setSupportsGammaControl(true);
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setPerScreenRenderingEnabled(true);
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}
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VirtualBackend::~VirtualBackend()
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{
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if (sceneEglDisplay() != EGL_NO_DISPLAY) {
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eglTerminate(sceneEglDisplay());
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}
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}
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void VirtualBackend::init()
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{
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/*
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* Some tests currently expect one output present at start,
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* others set them explicitly.
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*
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* TODO: rewrite all tests to explicitly set the outputs.
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*/
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if (!m_outputs.size()) {
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VirtualOutput *dummyOutput = new VirtualOutput(this);
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dummyOutput->init(QPoint(0, 0), initialWindowSize());
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m_outputs << dummyOutput ;
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m_enabledOutputs << dummyOutput ;
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}
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setSoftwareCursorForced(true);
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setReady(true);
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waylandServer()->seat()->setHasPointer(true);
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waylandServer()->seat()->setHasKeyboard(true);
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waylandServer()->seat()->setHasTouch(true);
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emit screensQueried();
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}
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QString VirtualBackend::screenshotDirPath() const
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{
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if (m_screenshotDir.isNull()) {
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return QString();
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}
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return m_screenshotDir->path();
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}
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Screens *VirtualBackend::createScreens(QObject *parent)
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{
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return new VirtualScreens(this, parent);
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}
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QPainterBackend *VirtualBackend::createQPainterBackend()
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{
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return new VirtualQPainterBackend(this);
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}
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OpenGLBackend *VirtualBackend::createOpenGLBackend()
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{
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return new EglGbmBackend(this);
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}
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Outputs VirtualBackend::outputs() const
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{
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return m_outputs;
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}
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Outputs VirtualBackend::enabledOutputs() const
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{
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return m_enabledOutputs;
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}
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void VirtualBackend::setVirtualOutputs(int count, QVector<QRect> geometries, QVector<int> scales)
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{
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Q_ASSERT(geometries.size() == 0 || geometries.size() == count);
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Q_ASSERT(scales.size() == 0 || scales.size() == count);
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bool countChanged = m_outputs.size() != count;
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qDeleteAll(m_outputs.begin(), m_outputs.end());
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m_outputs.resize(count);
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m_enabledOutputs.resize(count);
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int sumWidth = 0;
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for (int i = 0; i < count; i++) {
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VirtualOutput *vo = new VirtualOutput(this);
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if (geometries.size()) {
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const QRect geo = geometries.at(i);
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vo->init(geo.topLeft(), geo.size());
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} else {
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vo->init(QPoint(sumWidth, 0), initialWindowSize());
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sumWidth += initialWindowSize().width();
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}
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if (scales.size()) {
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vo->setScale(scales.at(i));
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}
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m_outputs[i] = m_enabledOutputs[i] = vo;
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}
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emit virtualOutputsSet(countChanged);
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}
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}
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