main.cpp 范例文件

hellovulkanwidget/main.cpp
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#include <QApplication> #include <QPlainTextEdit> #include <QVulkanInstance> #include <QLibraryInfo> #include <QLoggingCategory> #include <QPointer> #include "hellovulkanwidget.h" Q_LOGGING_CATEGORY(lcVk, "qt.vulkan") static QPointer<QPlainTextEdit> messageLogWidget; static QtMessageHandler oldMessageHandler = nullptr; static void messageHandler(QtMsgType msgType, const QMessageLogContext &logContext, const QString &text) { if (!messageLogWidget.isNull()) messageLogWidget->appendPlainText(text); if (oldMessageHandler) oldMessageHandler(msgType, logContext, text); } int main(int argc, char *argv[]) { QApplication app(argc, argv); messageLogWidget = new QPlainTextEdit(QLatin1String(QLibraryInfo::build()) + QLatin1Char('\n')); messageLogWidget->setReadOnly(true); oldMessageHandler = qInstallMessageHandler(messageHandler); QLoggingCategory::setFilterRules(QStringLiteral("qt.vulkan=true")); QVulkanInstance inst; #ifndef Q_OS_ANDROID inst.setLayers(QByteArrayList() << "VK_LAYER_LUNARG_standard_validation"); #else inst.setLayers(QByteArrayList() << "VK_LAYER_GOOGLE_threading" << "VK_LAYER_LUNARG_parameter_validation" << "VK_LAYER_LUNARG_object_tracker" << "VK_LAYER_LUNARG_core_validation" << "VK_LAYER_LUNARG_image" << "VK_LAYER_LUNARG_swapchain" << "VK_LAYER_GOOGLE_unique_objects"); #endif if (!inst.create()) qFatal("Failed to create Vulkan instance: %d", inst.errorCode()); VulkanWindow *vulkanWindow = new VulkanWindow; vulkanWindow->setVulkanInstance(&inst); MainWindow mainWindow(vulkanWindow, messageLogWidget.data()); QObject::connect(vulkanWindow, &VulkanWindow::vulkanInfoReceived, &mainWindow, &MainWindow::onVulkanInfoReceived); QObject::connect(vulkanWindow, &VulkanWindow::frameQueued, &mainWindow, &MainWindow::onFrameQueued); mainWindow.resize(1024, 768); mainWindow.show(); return app.exec(); }