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// Copyright (C) 2022 zccrs <zccrs@live.com>, JiDe Zhang <zhangjide@uniontech.com>.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include <QtQuick>
#include <QtQml>
#include <QGuiApplication>
#include <private/qsgrenderloop_p.h>
#include <QtQuickTestUtils/private/qmlutils_p.h>
#include <QtQuickTestUtils/private/viewtestutils_p.h>
#include <QtQuickTestUtils/private/visualtestutils_p.h>
class tst_SoftwareRenderer : public QQmlDataTest
{
Q_OBJECT
public:
tst_SoftwareRenderer();
private slots:
void initTestCase() override;
void renderTarget();
};
tst_SoftwareRenderer::tst_SoftwareRenderer()
: QQmlDataTest(QT_QMLTEST_DATADIR)
{
}
void tst_SoftwareRenderer::initTestCase()
{
QQuickWindow::setGraphicsApi(QSGRendererInterface::Software);
QSGRenderLoop *loop = QSGRenderLoop::instance();
qDebug() << "RenderLoop:" << loop
<< "Graph backend:" << QQuickWindow::sceneGraphBackend();
}
void tst_SoftwareRenderer::renderTarget()
{
if (QQuickWindow::sceneGraphBackend() != "software")
QSKIP("Skipping complex rendering tests due to not running with software");
QQuickRenderControl rc;
QScopedPointer<QQuickWindow> window(new QQuickWindow(&rc));
window->setWidth(10);
window->setHeight(10);
QImage renderTarget1(window->size(), QImage::Format_ARGB32_Premultiplied);
renderTarget1.fill(Qt::red);
auto rt1 = QQuickRenderTarget::fromPaintDevice(&renderTarget1);
rt1.setDevicePixelRatio(renderTarget1.devicePixelRatio());
window->setRenderTarget(rt1);
window->setColor(Qt::blue);
rc.polishItems();
rc.beginFrame();
rc.sync();
rc.render();
rc.endFrame();
QImage content = window->grabWindow();
QString errorMessage;
QVERIFY2(QQuickVisualTestUtils::compareImages(content, renderTarget1, &errorMessage),
qPrintable(errorMessage));
QImage renderTarget2(window->size(), QImage::Format_ARGB32_Premultiplied);
renderTarget2.fill(Qt::green);
auto rt2 = QQuickRenderTarget::fromPaintDevice(&renderTarget2);
rt2.setDevicePixelRatio(renderTarget2.devicePixelRatio());
window->setRenderTarget(rt2);
rc.polishItems();
rc.beginFrame();
rc.sync();
rc.render();
rc.endFrame();
content = window->grabWindow();
QVERIFY2(QQuickVisualTestUtils::compareImages(content, renderTarget2, &errorMessage),
qPrintable(errorMessage));
QVERIFY2(QQuickVisualTestUtils::compareImages(renderTarget2, renderTarget1, &errorMessage),
qPrintable(errorMessage));
// Clear render target
window->setRenderTarget(QQuickRenderTarget());
QImage content2 = window->grabWindow();
content2 = content2.scaled(content.size());
QVERIFY2(QQuickVisualTestUtils::compareImages(content, content2, &errorMessage),
qPrintable(errorMessage));
}
#include "tst_softwarerenderer.moc"
QTEST_MAIN(tst_SoftwareRenderer)
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