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// Copyright (C) 2016 Klaralvdalens Datakonsult AB (KDAB).
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include <QtTest/QTest>
#include <Qt3DCore/qentity.h>
#include <Qt3DRender/qrendersettings.h>
#include <Qt3DRender/qrendersurfaceselector.h>
#include <Qt3DRender/private/qrendersurfaceselector_p.h>
#include <QSignalSpy>
#include "testarbiter.h"
class tst_QRenderSurfaceSelector: public QObject
{
Q_OBJECT
private Q_SLOTS:
void shouldFindInstanceInEntityTree_data()
{
QTest::addColumn<QSharedPointer<Qt3DCore::QEntity>>("root");
QTest::addColumn<Qt3DRender::QRenderSurfaceSelector*>("expected");
auto root = QSharedPointer<Qt3DCore::QEntity>::create();
auto settings = new Qt3DRender::QRenderSettings;
root->addComponent(settings);
auto selector = new Qt3DRender::QRenderSurfaceSelector;
settings->setActiveFrameGraph(selector);
QTest::newRow("simplest_tree") << root << selector;
root = QSharedPointer<Qt3DCore::QEntity>::create();
settings = new Qt3DRender::QRenderSettings;
root->addComponent(settings);
settings->setActiveFrameGraph(new Qt3DRender::QFrameGraphNode);
selector = nullptr;
QTest::newRow("no_selector") << root << selector;
root = QSharedPointer<Qt3DCore::QEntity>::create();
settings = new Qt3DRender::QRenderSettings;
root->addComponent(settings);
selector = nullptr;
QTest::newRow("no_framegraph") << root << selector;
root = QSharedPointer<Qt3DCore::QEntity>::create();
selector = nullptr;
QTest::newRow("no_rendersettings") << root << selector;
root = QSharedPointer<Qt3DCore::QEntity>::create();
auto entity = new Qt3DCore::QEntity(root.data());
entity = new Qt3DCore::QEntity(entity);
settings = new Qt3DRender::QRenderSettings;
entity->addComponent(settings);
selector = new Qt3DRender::QRenderSurfaceSelector;
settings->setActiveFrameGraph(selector);
QTest::newRow("in_subentity") << root << selector;
root = QSharedPointer<Qt3DCore::QEntity>::create();
entity = new Qt3DCore::QEntity(root.data());
entity = new Qt3DCore::QEntity(entity);
settings = new Qt3DRender::QRenderSettings;
entity->addComponent(settings);
auto node = new Qt3DRender::QFrameGraphNode;
settings->setActiveFrameGraph(node);
node = new Qt3DRender::QFrameGraphNode(node);
selector = new Qt3DRender::QRenderSurfaceSelector(node);
QTest::newRow("in_deeper_framegraph") << root << selector;
}
void shouldFindInstanceInEntityTree()
{
// GIVEN
QFETCH(QSharedPointer<Qt3DCore::QEntity>, root);
// WHEN
auto selector = Qt3DRender::QRenderSurfaceSelectorPrivate::find(root.data());
// THEN
QFETCH(Qt3DRender::QRenderSurfaceSelector*, expected);
QCOMPARE(selector, expected);
}
void checkDefaultConstruction()
{
// GIVEN
Qt3DRender::QRenderSurfaceSelector renderSurfaceSelector;
// THEN
QVERIFY(renderSurfaceSelector.surface() == nullptr);
QCOMPARE(renderSurfaceSelector.externalRenderTargetSize(), QSize());
QCOMPARE(renderSurfaceSelector.surfacePixelRatio(), 1.0f);
}
void checkPropertyChanges()
{
// GIVEN
Qt3DRender::QRenderSurfaceSelector renderSurfaceSelector;
{
// WHEN
QSignalSpy spy(&renderSurfaceSelector, SIGNAL(surfaceChanged(QObject *)));
QWindow newValue;
renderSurfaceSelector.setSurface(&newValue);
// THEN
QVERIFY(spy.isValid());
QCOMPARE(renderSurfaceSelector.surface(), &newValue);
QCOMPARE(spy.size(), 1);
// WHEN
spy.clear();
renderSurfaceSelector.setSurface(&newValue);
// THEN
QCOMPARE(renderSurfaceSelector.surface(), &newValue);
QCOMPARE(spy.size(), 0);
// Prevents crashes with temporary window being destroyed
renderSurfaceSelector.setSurface(nullptr);
QCoreApplication::processEvents();
}
{
// WHEN
QSignalSpy spy(&renderSurfaceSelector, SIGNAL(externalRenderTargetSizeChanged(QSize)));
const QSize newValue(512, 512);
renderSurfaceSelector.setExternalRenderTargetSize(newValue);
// THEN
QVERIFY(spy.isValid());
QCOMPARE(renderSurfaceSelector.externalRenderTargetSize(), newValue);
QCOMPARE(spy.size(), 1);
// WHEN
spy.clear();
renderSurfaceSelector.setExternalRenderTargetSize(newValue);
// THEN
QCOMPARE(renderSurfaceSelector.externalRenderTargetSize(), newValue);
QCOMPARE(spy.size(), 0);
}
{
// WHEN
QSignalSpy spy(&renderSurfaceSelector, SIGNAL(surfacePixelRatioChanged(float)));
const float newValue = 15.0f;
renderSurfaceSelector.setSurfacePixelRatio(newValue);
// THEN
QVERIFY(spy.isValid());
QCOMPARE(renderSurfaceSelector.surfacePixelRatio(), newValue);
QCOMPARE(spy.size(), 1);
// WHEN
spy.clear();
renderSurfaceSelector.setSurfacePixelRatio(newValue);
// THEN
QCOMPARE(renderSurfaceSelector.surfacePixelRatio(), newValue);
QCOMPARE(spy.size(), 0);
}
}
void checkSurfaceUpdate()
{
// GIVEN
QWindow newWindow;
TestArbiter arbiter;
Qt3DRender::QRenderSurfaceSelector renderSurfaceSelector;
arbiter.setArbiterOnNode(&renderSurfaceSelector);
{
// WHEN
renderSurfaceSelector.setSurface(&newWindow);
QCoreApplication::processEvents();
// THEN
QCOMPARE(arbiter.dirtyNodes().size(), 1);
QCOMPARE(arbiter.dirtyNodes().front(), &renderSurfaceSelector);
arbiter.clear();
}
{
// WHEN
renderSurfaceSelector.setSurface(&newWindow);
QCoreApplication::processEvents();
// THEN
QCOMPARE(arbiter.dirtyNodes().size(), 0);
}
// Prevents crashes with temporary window being destroyed
renderSurfaceSelector.setSurface(nullptr);
}
void checkExternalRenderTargetSizeUpdate()
{
// GIVEN
TestArbiter arbiter;
Qt3DRender::QRenderSurfaceSelector renderSurfaceSelector;
arbiter.setArbiterOnNode(&renderSurfaceSelector);
{
// WHEN
renderSurfaceSelector.setExternalRenderTargetSize(QSize(454, 454));
QCoreApplication::processEvents();
// THEN
QCOMPARE(arbiter.dirtyNodes().size(), 1);
QCOMPARE(arbiter.dirtyNodes().front(), &renderSurfaceSelector);
arbiter.clear();
}
{
// WHEN
renderSurfaceSelector.setExternalRenderTargetSize(QSize(454, 454));
QCoreApplication::processEvents();
// THEN
QCOMPARE(arbiter.dirtyNodes().size(), 0);
}
}
void checkSurfacePixelRatioUpdate()
{
// GIVEN
TestArbiter arbiter;
Qt3DRender::QRenderSurfaceSelector renderSurfaceSelector;
arbiter.setArbiterOnNode(&renderSurfaceSelector);
{
// WHEN
renderSurfaceSelector.setSurfacePixelRatio(99.0f);
QCoreApplication::processEvents();
// THEN
QCOMPARE(arbiter.dirtyNodes().size(), 1);
QCOMPARE(arbiter.dirtyNodes().front(), &renderSurfaceSelector);
arbiter.clear();
}
{
// WHEN
renderSurfaceSelector.setSurfacePixelRatio(99.0f);
QCoreApplication::processEvents();
// THEN
QCOMPARE(arbiter.dirtyNodes().size(), 0);
}
}
};
QTEST_MAIN(tst_QRenderSurfaceSelector)
#include "tst_qrendersurfaceselector.moc"
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