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// Copyright (C) 2017 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include "hellovulkanwidget.h"
#include <QVulkanFunctions>
#include <QApplication>
#include <QVBoxLayout>
#include <QPlainTextEdit>
#include <QPushButton>
#include <QLCDNumber>
#include <QFileDialog>
#include <QMessageBox>
#include <QTabWidget>
MainWindow::MainWindow(VulkanWindow *w, QPlainTextEdit *logWidget)
: m_window(w)
{
QWidget *wrapper = QWidget::createWindowContainer(w);
m_info = new QPlainTextEdit;
m_info->setReadOnly(true);
m_number = new QLCDNumber(3);
m_number->setSegmentStyle(QLCDNumber::Filled);
QPushButton *grabButton = new QPushButton(tr("&Grab"));
grabButton->setFocusPolicy(Qt::NoFocus);
connect(grabButton, &QPushButton::clicked, this, &MainWindow::onGrabRequested);
QPushButton *quitButton = new QPushButton(tr("&Quit"));
quitButton->setFocusPolicy(Qt::NoFocus);
connect(quitButton, &QPushButton::clicked, qApp, &QCoreApplication::quit);
QVBoxLayout *layout = new QVBoxLayout;
m_infoTab = new QTabWidget(this);
m_infoTab->addTab(m_info, tr("Vulkan Info"));
m_infoTab->addTab(logWidget, tr("Debug Log"));
layout->addWidget(m_infoTab, 2);
layout->addWidget(m_number, 1);
layout->addWidget(wrapper, 5);
layout->addWidget(grabButton, 1);
layout->addWidget(quitButton, 1);
setLayout(layout);
}
void MainWindow::onVulkanInfoReceived(const QString &text)
{
m_info->setPlainText(text);
}
void MainWindow::onFrameQueued(int colorValue)
{
m_number->display(colorValue);
}
void MainWindow::onGrabRequested()
{
if (!m_window->supportsGrab()) {
QMessageBox::warning(this, tr("Cannot grab"), tr("This swapchain does not support readbacks."));
return;
}
QImage img = m_window->grab();
// Our startNextFrame() implementation is synchronous so img is ready to be
// used right here.
QFileDialog fd(this);
fd.setAcceptMode(QFileDialog::AcceptSave);
fd.setDefaultSuffix("png");
fd.selectFile("test.png");
if (fd.exec() == QDialog::Accepted)
img.save(fd.selectedFiles().first());
}
QVulkanWindowRenderer *VulkanWindow::createRenderer()
{
return new VulkanRenderer(this);
}
VulkanRenderer::VulkanRenderer(VulkanWindow *w)
: TriangleRenderer(w)
{
}
void VulkanRenderer::initResources()
{
TriangleRenderer::initResources();
QVulkanInstance *inst = m_window->vulkanInstance();
m_devFuncs = inst->deviceFunctions(m_window->device());
QString info;
info += QString::asprintf("Number of physical devices: %d\n", int(m_window->availablePhysicalDevices().count()));
QVulkanFunctions *f = inst->functions();
VkPhysicalDeviceProperties props;
f->vkGetPhysicalDeviceProperties(m_window->physicalDevice(), &props);
info += QString::asprintf("Active physical device name: '%s' version %d.%d.%d\nAPI version %d.%d.%d\n",
props.deviceName,
VK_VERSION_MAJOR(props.driverVersion), VK_VERSION_MINOR(props.driverVersion),
VK_VERSION_PATCH(props.driverVersion),
VK_VERSION_MAJOR(props.apiVersion), VK_VERSION_MINOR(props.apiVersion),
VK_VERSION_PATCH(props.apiVersion));
info += QStringLiteral("Supported instance layers:\n");
for (const QVulkanLayer &layer : inst->supportedLayers())
info += QString::asprintf(" %s v%u\n", layer.name.constData(), layer.version);
info += QStringLiteral("Enabled instance layers:\n");
for (const QByteArray &layer : inst->layers())
info += QString::asprintf(" %s\n", layer.constData());
info += QStringLiteral("Supported instance extensions:\n");
for (const QVulkanExtension &ext : inst->supportedExtensions())
info += QString::asprintf(" %s v%u\n", ext.name.constData(), ext.version);
info += QStringLiteral("Enabled instance extensions:\n");
for (const QByteArray &ext : inst->extensions())
info += QString::asprintf(" %s\n", ext.constData());
info += QString::asprintf("Color format: %u\nDepth-stencil format: %u\n",
m_window->colorFormat(), m_window->depthStencilFormat());
info += QStringLiteral("Supported sample counts:");
const QList<int> sampleCounts = m_window->supportedSampleCounts();
for (int count : sampleCounts)
info += QLatin1Char(' ') + QString::number(count);
info += QLatin1Char('\n');
emit static_cast<VulkanWindow *>(m_window)->vulkanInfoReceived(info);
}
void VulkanRenderer::startNextFrame()
{
TriangleRenderer::startNextFrame();
emit static_cast<VulkanWindow *>(m_window)->frameQueued(int(m_rotation) % 360);
}
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