tst_qgeometryrenderer.cpp

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// Copyright (C) 2015 Klaralvdalens Datakonsult AB (KDAB).

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only

#include <QtTest/QTest>

#include <Qt3DCore/private/qnode_p.h>

#include <Qt3DCore/private/qscene_p.h>

#include <Qt3DRender/qgeometryrenderer.h>

#include <Qt3DCore/qgeometry.h>

#include <Qt3DCore/qattribute.h>

#include <Qt3DCore/qbuffer.h>

#include <Qt3DRender/private/qgeometryrenderer_p.h>

#include "testarbiter.h"

class tst_QGeometryRenderer: public QObject

    Q_OBJECT

private Q_SLOTS:

    void checkPropertyUpdates()

        // GIVEN

        TestArbiter arbiter;

        QScopedPointer<Qt3DRender::QGeometryRenderer> geometryRenderer(new Qt3DRender::QGeometryRenderer());

        arbiter.setArbiterOnNode(geometryRenderer.data());

        // WHEN

        geometryRenderer->setInstanceCount(256);

        QCoreApplication::processEvents();

        // THEN

        QCOMPARE(arbiter.dirtyNodes().size(), 1);

        QCOMPARE(arbiter.dirtyNodes().front(), geometryRenderer.data());

        arbiter.clear();

        // WHEN

        geometryRenderer->setVertexCount(1340);

        QCoreApplication::processEvents();

        // THEN

        QCOMPARE(arbiter.dirtyNodes().size(), 1);

        QCOMPARE(arbiter.dirtyNodes().front(), geometryRenderer.data());

        arbiter.clear();

        // WHEN

        geometryRenderer->setIndexOffset(883);

        QCoreApplication::processEvents();

        // THEN

        QCOMPARE(arbiter.dirtyNodes().size(), 1);

        QCOMPARE(arbiter.dirtyNodes().front(), geometryRenderer.data());

        arbiter.clear();

        // WHEN

        geometryRenderer->setFirstInstance(1200);

        QCoreApplication::processEvents();

        // THEN

        QCOMPARE(arbiter.dirtyNodes().size(), 1);

        QCOMPARE(arbiter.dirtyNodes().front(), geometryRenderer.data());

        arbiter.clear();

        // WHEN

        geometryRenderer->setIndexBufferByteOffset(91);

        QCoreApplication::processEvents();

        // THEN

        QCOMPARE(arbiter.dirtyNodes().size(), 1);

        QCOMPARE(arbiter.dirtyNodes().front(), geometryRenderer.data());

        arbiter.clear();

        // WHEN

        geometryRenderer->setRestartIndexValue(65535);

        QCoreApplication::processEvents();

        // THEN

        QCOMPARE(arbiter.dirtyNodes().size(), 1);

        QCOMPARE(arbiter.dirtyNodes().front(), geometryRenderer.data());

        arbiter.clear();

        // WHEN

        geometryRenderer->setVerticesPerPatch(2);

        QCoreApplication::processEvents();

        // THEN

        QCOMPARE(arbiter.dirtyNodes().size(), 1);

        QCOMPARE(arbiter.dirtyNodes().front(), geometryRenderer.data());

        arbiter.clear();

        // WHEN

        geometryRenderer->setPrimitiveRestartEnabled(true);

        QCoreApplication::processEvents();

        // THEN

        QCOMPARE(arbiter.dirtyNodes().size(), 1);

        QCOMPARE(arbiter.dirtyNodes().front(), geometryRenderer.data());

        arbiter.clear();

        // WHEN

        geometryRenderer->setPrimitiveType(Qt3DRender::QGeometryRenderer::Patches);

        QCoreApplication::processEvents();

        // THEN

        QCOMPARE(arbiter.dirtyNodes().size(), 1);

        QCOMPARE(arbiter.dirtyNodes().front(), geometryRenderer.data());

        arbiter.clear();

        // WHEN

        Qt3DCore::QGeometry geom;

        geometryRenderer->setGeometry(&geom);

        QCoreApplication::processEvents();

        // THEN

        QCOMPARE(arbiter.dirtyNodes().size(), 1);

        QCOMPARE(arbiter.dirtyNodes().front(), geometryRenderer.data());

        arbiter.clear();

        // WHEN

        Qt3DCore::QGeometry geom2;

        geometryRenderer->setGeometry(&geom2);

        QCoreApplication::processEvents();

        // THEN

        QCOMPARE(arbiter.dirtyNodes().size(), 1);

        QCOMPARE(arbiter.dirtyNodes().front(), geometryRenderer.data());

        arbiter.clear();

        // WHEN

        geometryRenderer->setSortIndex(42.f);

        QCoreApplication::processEvents();

        // THEN

        QCOMPARE(arbiter.dirtyNodes().size(), 1);

        QCOMPARE(arbiter.dirtyNodes().front(), geometryRenderer.data());

        arbiter.clear();

    void checkGeometryBookkeeping()

        // GIVEN

        QScopedPointer<Qt3DRender::QGeometryRenderer> geometryRenderer(new Qt3DRender::QGeometryRenderer);

            // WHEN

            Qt3DCore::QGeometry geometry;

            geometryRenderer->setGeometry(&geometry);

            // THEN

            QCOMPARE(geometry.parent(), geometryRenderer.data());

            QCOMPARE(geometryRenderer->geometry(), &geometry);

        // THEN (Should not crash and parameter be unset)

        QVERIFY(geometryRenderer->geometry() == nullptr);

            // WHEN

            Qt3DRender::QGeometryRenderer someOtherGeometryRenderer;

            QScopedPointer<Qt3DCore::QGeometry> geometry(new Qt3DCore::QGeometry(&someOtherGeometryRenderer));

            geometryRenderer->setGeometry(geometry.data());

            // THEN

            QCOMPARE(geometry->parent(), &someOtherGeometryRenderer);

            QCOMPARE(geometryRenderer->geometry(), geometry.data());

            // WHEN

            geometryRenderer.reset();

            geometry.reset();

            // THEN Should not crash when the geometry is destroyed (tests for failed removal of destruction helper)

};

QTEST_MAIN(tst_QGeometryRenderer)

#include "tst_qgeometryrenderer.moc"