diff options
Diffstat (limited to 'examples/opengl/hellowindow')
| -rw-r--r-- | examples/opengl/hellowindow/CMakeLists.txt | 36 | ||||
| -rw-r--r-- | examples/opengl/hellowindow/hellowindow.cpp | 352 | ||||
| -rw-r--r-- | examples/opengl/hellowindow/hellowindow.h | 119 | ||||
| -rw-r--r-- | examples/opengl/hellowindow/hellowindow.pro | 9 | ||||
| -rw-r--r-- | examples/opengl/hellowindow/main.cpp | 172 |
5 files changed, 0 insertions, 688 deletions
diff --git a/examples/opengl/hellowindow/CMakeLists.txt b/examples/opengl/hellowindow/CMakeLists.txt deleted file mode 100644 index cb86df3595..0000000000 --- a/examples/opengl/hellowindow/CMakeLists.txt +++ /dev/null @@ -1,36 +0,0 @@ -cmake_minimum_required(VERSION 3.16) -project(hellowindow LANGUAGES CXX) - -set(CMAKE_AUTOMOC ON) - -if(NOT DEFINED INSTALL_EXAMPLESDIR) - set(INSTALL_EXAMPLESDIR "examples") -endif() - -set(INSTALL_EXAMPLEDIR "${INSTALL_EXAMPLESDIR}/opengl/hellowindow") - -find_package(Qt6 REQUIRED COMPONENTS Core Gui OpenGL) - -qt_add_executable(hellowindow - hellowindow.cpp hellowindow.h - main.cpp -) - -set_target_properties(hellowindow PROPERTIES - WIN32_EXECUTABLE TRUE - MACOSX_BUNDLE TRUE -) - -target_link_libraries(hellowindow PUBLIC - Qt::Core - Qt::CorePrivate - Qt::Gui - Qt::GuiPrivate - Qt::OpenGL -) - -install(TARGETS hellowindow - RUNTIME DESTINATION "${INSTALL_EXAMPLEDIR}" - BUNDLE DESTINATION "${INSTALL_EXAMPLEDIR}" - LIBRARY DESTINATION "${INSTALL_EXAMPLEDIR}" -) diff --git a/examples/opengl/hellowindow/hellowindow.cpp b/examples/opengl/hellowindow/hellowindow.cpp deleted file mode 100644 index bde763dd70..0000000000 --- a/examples/opengl/hellowindow/hellowindow.cpp +++ /dev/null @@ -1,352 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the examples of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "hellowindow.h" - -#include <QOpenGLContext> -#include <QOpenGLFunctions> -#include <QRandomGenerator> -#include <qmath.h> -#include <QElapsedTimer> - -Renderer::Renderer(const QSurfaceFormat &format, Renderer *share, QScreen *screen) - : m_initialized(false) - , m_format(format) -{ - m_context = new QOpenGLContext(this); - if (screen) - m_context->setScreen(screen); - m_context->setFormat(format); - if (share) - m_context->setShareContext(share->m_context); - m_context->create(); - - m_backgroundColor = QColor::fromRgbF(0.1f, 0.1f, 0.2f, 1.0f); - m_backgroundColor.setRed(QRandomGenerator::global()->bounded(64)); - m_backgroundColor.setGreen(QRandomGenerator::global()->bounded(128)); - m_backgroundColor.setBlue(QRandomGenerator::global()->bounded(256)); -} - -HelloWindow::HelloWindow(const QSharedPointer<Renderer> &renderer, QScreen *screen) - : m_colorIndex(0), m_renderer(renderer) -{ - setSurfaceType(QWindow::OpenGLSurface); - setFlags(Qt::Window | Qt::WindowSystemMenuHint | Qt::WindowTitleHint | Qt::WindowMinMaxButtonsHint | Qt::WindowCloseButtonHint); - - setGeometry(QRect(10, 10, 640, 480)); - - setFormat(renderer->format()); - if (screen) - setScreen(screen); - - create(); - - updateColor(); - - connect(renderer.data(), &Renderer::requestUpdate, this, &QWindow::requestUpdate); -} - -void HelloWindow::exposeEvent(QExposeEvent *) -{ - if (isExposed()) - render(); -} - -bool HelloWindow::event(QEvent *ev) -{ - if (ev->type() == QEvent::UpdateRequest && isExposed()) - render(); - return QWindow::event(ev); -} - -void HelloWindow::render() -{ - static QElapsedTimer timer; - if (!timer.isValid()) - timer.start(); - qreal a = (qreal)(((timer.elapsed() * 3) % 36000) / 100.0); - auto call = [this, r = m_renderer.data(), a, c = color()]() { r->render(this, a, c); }; - QMetaObject::invokeMethod(m_renderer.data(), call); -} - -void HelloWindow::mousePressEvent(QMouseEvent *) -{ - updateColor(); -} - -QColor HelloWindow::color() const -{ - return m_color; -} - -void HelloWindow::updateColor() -{ - QColor colors[] = - { - QColor(100, 255, 0), - QColor(0, 100, 255) - }; - - m_color = colors[m_colorIndex]; - m_colorIndex = 1 - m_colorIndex; -} - -void Renderer::render(HelloWindow *surface, qreal angle, const QColor &color) -{ - if (!m_context->makeCurrent(surface)) - return; - - QSize viewSize = surface->size(); - - if (!m_initialized) { - initialize(); - m_initialized = true; - } - - QOpenGLFunctions *f = m_context->functions(); - f->glViewport(0, 0, viewSize.width() * surface->devicePixelRatio(), viewSize.height() * surface->devicePixelRatio()); - f->glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); - - f->glClearColor(m_backgroundColor.redF(), m_backgroundColor.greenF(), m_backgroundColor.blueF(), m_backgroundColor.alphaF()); - f->glFrontFace(GL_CW); - f->glCullFace(GL_FRONT); - f->glEnable(GL_CULL_FACE); - f->glEnable(GL_DEPTH_TEST); - - m_program->bind(); - m_vbo.bind(); - - m_program->enableAttributeArray(vertexAttr); - m_program->enableAttributeArray(normalAttr); - m_program->setAttributeBuffer(vertexAttr, GL_FLOAT, 0, 3); - const int verticesSize = vertices.count() * 3 * sizeof(GLfloat); - m_program->setAttributeBuffer(normalAttr, GL_FLOAT, verticesSize, 3); - - QMatrix4x4 modelview; - modelview.rotate(angle, 0.0f, 1.0f, 0.0f); - modelview.rotate(angle, 1.0f, 0.0f, 0.0f); - modelview.rotate(angle, 0.0f, 0.0f, 1.0f); - modelview.translate(0.0f, -0.2f, 0.0f); - - m_program->setUniformValue(matrixUniform, modelview); - m_program->setUniformValue(colorUniform, color); - - m_context->functions()->glDrawArrays(GL_TRIANGLES, 0, vertices.size()); - - m_context->swapBuffers(surface); - - emit requestUpdate(); -} - -Q_GLOBAL_STATIC(QMutex, initMutex) - -void Renderer::initialize() -{ - // Threaded shader compilation can confuse some drivers. Avoid it. - QMutexLocker lock(initMutex()); - - QOpenGLShader *vshader = new QOpenGLShader(QOpenGLShader::Vertex, this); - vshader->compileSourceCode( - "attribute highp vec4 vertex;" - "attribute mediump vec3 normal;" - "uniform mediump mat4 matrix;" - "uniform lowp vec4 sourceColor;" - "varying mediump vec4 color;" - "void main(void)" - "{" - " vec3 toLight = normalize(vec3(0.0, 0.3, 1.0));" - " float angle = max(dot(normal, toLight), 0.0);" - " vec3 col = sourceColor.rgb;" - " color = vec4(col * 0.2 + col * 0.8 * angle, 1.0);" - " color = clamp(color, 0.0, 1.0);" - " gl_Position = matrix * vertex;" - "}"); - - QOpenGLShader *fshader = new QOpenGLShader(QOpenGLShader::Fragment, this); - fshader->compileSourceCode( - "varying mediump vec4 color;" - "void main(void)" - "{" - " gl_FragColor = color;" - "}"); - - m_program = new QOpenGLShaderProgram(this); - m_program->addShader(vshader); - m_program->addShader(fshader); - m_program->link(); - m_program->bind(); - - vertexAttr = m_program->attributeLocation("vertex"); - normalAttr = m_program->attributeLocation("normal"); - matrixUniform = m_program->uniformLocation("matrix"); - colorUniform = m_program->uniformLocation("sourceColor"); - - createGeometry(); - - m_vbo.create(); - m_vbo.bind(); - const int verticesSize = vertices.count() * 3 * sizeof(GLfloat); - m_vbo.allocate(verticesSize * 2); - m_vbo.write(0, vertices.constData(), verticesSize); - m_vbo.write(verticesSize, normals.constData(), verticesSize); -} - -void Renderer::createGeometry() -{ - vertices.clear(); - normals.clear(); - - qreal x1 = +0.06f; - qreal y1 = -0.14f; - qreal x2 = +0.14f; - qreal y2 = -0.06f; - qreal x3 = +0.08f; - qreal y3 = +0.00f; - qreal x4 = +0.30f; - qreal y4 = +0.22f; - - quad(x1, y1, x2, y2, y2, x2, y1, x1); - quad(x3, y3, x4, y4, y4, x4, y3, x3); - - extrude(x1, y1, x2, y2); - extrude(x2, y2, y2, x2); - extrude(y2, x2, y1, x1); - extrude(y1, x1, x1, y1); - extrude(x3, y3, x4, y4); - extrude(x4, y4, y4, x4); - extrude(y4, x4, y3, x3); - - const int NumSectors = 100; - const qreal sectorAngle = 2 * qreal(M_PI) / NumSectors; - for (int i = 0; i < NumSectors; ++i) { - qreal angle = i * sectorAngle; - qreal x5 = 0.30 * qSin(angle); - qreal y5 = 0.30 * qCos(angle); - qreal x6 = 0.20 * qSin(angle); - qreal y6 = 0.20 * qCos(angle); - - angle += sectorAngle; - qreal x7 = 0.20 * qSin(angle); - qreal y7 = 0.20 * qCos(angle); - qreal x8 = 0.30 * qSin(angle); - qreal y8 = 0.30 * qCos(angle); - - quad(x5, y5, x6, y6, x7, y7, x8, y8); - - extrude(x6, y6, x7, y7); - extrude(x8, y8, x5, y5); - } - - for (int i = 0;i < vertices.size();i++) - vertices[i] *= 2.0f; -} - -void Renderer::quad(qreal x1, qreal y1, qreal x2, qreal y2, qreal x3, qreal y3, qreal x4, qreal y4) -{ - vertices << QVector3D(x1, y1, -0.05f); - vertices << QVector3D(x2, y2, -0.05f); - vertices << QVector3D(x4, y4, -0.05f); - - vertices << QVector3D(x3, y3, -0.05f); - vertices << QVector3D(x4, y4, -0.05f); - vertices << QVector3D(x2, y2, -0.05f); - - QVector3D n = QVector3D::normal - (QVector3D(x2 - x1, y2 - y1, 0.0f), QVector3D(x4 - x1, y4 - y1, 0.0f)); - - normals << n; - normals << n; - normals << n; - - normals << n; - normals << n; - normals << n; - - vertices << QVector3D(x4, y4, 0.05f); - vertices << QVector3D(x2, y2, 0.05f); - vertices << QVector3D(x1, y1, 0.05f); - - vertices << QVector3D(x2, y2, 0.05f); - vertices << QVector3D(x4, y4, 0.05f); - vertices << QVector3D(x3, y3, 0.05f); - - n = QVector3D::normal - (QVector3D(x2 - x4, y2 - y4, 0.0f), QVector3D(x1 - x4, y1 - y4, 0.0f)); - - normals << n; - normals << n; - normals << n; - - normals << n; - normals << n; - normals << n; -} - -void Renderer::extrude(qreal x1, qreal y1, qreal x2, qreal y2) -{ - vertices << QVector3D(x1, y1, +0.05f); - vertices << QVector3D(x2, y2, +0.05f); - vertices << QVector3D(x1, y1, -0.05f); - - vertices << QVector3D(x2, y2, -0.05f); - vertices << QVector3D(x1, y1, -0.05f); - vertices << QVector3D(x2, y2, +0.05f); - - QVector3D n = QVector3D::normal - (QVector3D(x2 - x1, y2 - y1, 0.0f), QVector3D(0.0f, 0.0f, -0.1f)); - - normals << n; - normals << n; - normals << n; - - normals << n; - normals << n; - normals << n; -} diff --git a/examples/opengl/hellowindow/hellowindow.h b/examples/opengl/hellowindow/hellowindow.h deleted file mode 100644 index d4dcbcf3db..0000000000 --- a/examples/opengl/hellowindow/hellowindow.h +++ /dev/null @@ -1,119 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the examples of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include <QWindow> - -#include <QColor> -#include <QMutex> -#include <QOpenGLShaderProgram> -#include <QOpenGLBuffer> -#include <QSharedPointer> -#include <QTimer> - -class HelloWindow; - -class Renderer : public QObject -{ - Q_OBJECT - -public: - explicit Renderer(const QSurfaceFormat &format, Renderer *share = nullptr, - QScreen *screen = nullptr); - - QSurfaceFormat format() const { return m_format; } - -public slots: - void render(HelloWindow *surface, qreal angle, const QColor &color); - -signals: - void requestUpdate(); - -private: - void initialize(); - - void createGeometry(); - void createBubbles(int number); - void quad(qreal x1, qreal y1, qreal x2, qreal y2, qreal x3, qreal y3, qreal x4, qreal y4); - void extrude(qreal x1, qreal y1, qreal x2, qreal y2); - - QList<QVector3D> vertices; - QList<QVector3D> normals; - int vertexAttr; - int normalAttr; - int matrixUniform; - int colorUniform; - - bool m_initialized; - QSurfaceFormat m_format; - QOpenGLContext *m_context; - QOpenGLShaderProgram *m_program; - QOpenGLBuffer m_vbo; - QColor m_backgroundColor; -}; - -class HelloWindow : public QWindow -{ -public: - explicit HelloWindow(const QSharedPointer<Renderer> &renderer, QScreen *screen = nullptr); - - QColor color() const; - void updateColor(); - -protected: - bool event(QEvent *ev) override; - void exposeEvent(QExposeEvent *event) override; - void mousePressEvent(QMouseEvent *) override; - void render(); - -private: - int m_colorIndex; - QColor m_color; - const QSharedPointer<Renderer> m_renderer; -}; diff --git a/examples/opengl/hellowindow/hellowindow.pro b/examples/opengl/hellowindow/hellowindow.pro deleted file mode 100644 index 27c274a378..0000000000 --- a/examples/opengl/hellowindow/hellowindow.pro +++ /dev/null @@ -1,9 +0,0 @@ -QT += gui-private core-private opengl - -HEADERS += hellowindow.h -SOURCES += hellowindow.cpp main.cpp - -# install -target.path = $$[QT_INSTALL_EXAMPLES]/opengl/hellowindow -INSTALLS += target - diff --git a/examples/opengl/hellowindow/main.cpp b/examples/opengl/hellowindow/main.cpp deleted file mode 100644 index 7f0be39f5d..0000000000 --- a/examples/opengl/hellowindow/main.cpp +++ /dev/null @@ -1,172 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the examples of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "hellowindow.h" - -#include <qpa/qplatformintegration.h> - -#include <QCommandLineParser> -#include <QCommandLineOption> -#include <QGuiApplication> -#include <QScreen> -#include <QThread> - -int main(int argc, char *argv[]) -{ - QGuiApplication app(argc, argv); - - QCoreApplication::setApplicationName("Qt HelloWindow GL Example"); - QCoreApplication::setOrganizationName("QtProject"); - QCoreApplication::setApplicationVersion(QT_VERSION_STR); - QCommandLineParser parser; - parser.setApplicationDescription(QCoreApplication::applicationName()); - parser.addHelpOption(); - parser.addVersionOption(); - QCommandLineOption multipleOption("multiple", "Create multiple windows"); - parser.addOption(multipleOption); - QCommandLineOption multipleSampleOption("multisample", "Multisampling"); - parser.addOption(multipleSampleOption); - QCommandLineOption multipleScreenOption("multiscreen", "Run on multiple screens"); - parser.addOption(multipleScreenOption); - QCommandLineOption timeoutOption("timeout", "Close after 10s"); - parser.addOption(timeoutOption); - parser.process(app); - - // Some platforms can only have one window per screen. Therefore we need to differentiate. - const bool multipleWindows = parser.isSet(multipleOption); - const bool multipleScreens = parser.isSet(multipleScreenOption); - - QScreen *screen = QGuiApplication::primaryScreen(); - - QRect screenGeometry = screen->availableGeometry(); - - QSurfaceFormat format; - format.setDepthBufferSize(16); - if (parser.isSet(multipleSampleOption)) - format.setSamples(4); - - QPoint center = QPoint(screenGeometry.center().x(), screenGeometry.top() + 80); - QSize windowSize(400, 320); - int delta = 40; - - QList<QWindow *> windows; - QSharedPointer<Renderer> rendererA(new Renderer(format)); - - HelloWindow *windowA = new HelloWindow(rendererA); - windowA->setGeometry(QRect(center, windowSize).translated(-windowSize.width() - delta / 2, 0)); - windowA->setTitle(QStringLiteral("Thread A - Context A")); - windowA->setVisible(true); - windows.prepend(windowA); - - QList<QThread *> renderThreads; - if (multipleWindows) { - QSharedPointer<Renderer> rendererB(new Renderer(format, rendererA.data())); - - QThread *renderThread = new QThread; - rendererB->moveToThread(renderThread); - renderThreads << renderThread; - - HelloWindow *windowB = new HelloWindow(rendererA); - windowB->setGeometry(QRect(center, windowSize).translated(delta / 2, 0)); - windowB->setTitle(QStringLiteral("Thread A - Context A")); - windowB->setVisible(true); - windows.prepend(windowB); - - HelloWindow *windowC = new HelloWindow(rendererB); - windowC->setGeometry(QRect(center, windowSize).translated(-windowSize.width() / 2, windowSize.height() + delta)); - windowC->setTitle(QStringLiteral("Thread B - Context B")); - windowC->setVisible(true); - windows.prepend(windowC); - } - if (multipleScreens) { - for (int i = 1; i < QGuiApplication::screens().size(); ++i) { - QScreen *screen = QGuiApplication::screens().at(i); - QSharedPointer<Renderer> renderer(new Renderer(format, rendererA.data(), screen)); - - QThread *renderThread = new QThread; - renderer->moveToThread(renderThread); - renderThreads.prepend(renderThread); - - QRect screenGeometry = screen->availableGeometry(); - QPoint center = screenGeometry.center(); - - QSize windowSize = screenGeometry.size() * 0.8; - - HelloWindow *window = new HelloWindow(renderer, screen); - window->setGeometry(QRect(center, windowSize).translated(-windowSize.width() / 2, -windowSize.height() / 2)); - - QChar id = QChar('B' + i); - window->setTitle(QStringLiteral("Thread ") + id + QStringLiteral(" - Context ") + id); - window->setVisible(true); - windows.prepend(window); - } - } - - for (int i = 0; i < renderThreads.size(); ++i) { - QObject::connect(qGuiApp, &QGuiApplication::lastWindowClosed, renderThreads.at(i), &QThread::quit); - renderThreads.at(i)->start(); - } - - // Quit after 10 seconds. For platforms that do not have windows that are closeable. - if (parser.isSet(timeoutOption)) - QTimer::singleShot(10000, qGuiApp, &QCoreApplication::quit); - - const int exitValue = app.exec(); - - for (int i = 0; i < renderThreads.size(); ++i) { - renderThreads.at(i)->quit(); // some platforms may not have windows to close so ensure quit() - renderThreads.at(i)->wait(); - } - - qDeleteAll(windows); - qDeleteAll(renderThreads); - - return exitValue; -} |