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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/QBlitFramebuffer>
++ #include <Qt3DRender/private/qblitframebuffer_p.h>
++
++ #include "testarbiter.h"
++
++ class tst_QBlitFrameBuffer: public QObject
++ {
++ Q_OBJECT
++
++ public:
++ tst_QBlitFrameBuffer() : QObject()
++ {
++ qRegisterMetaType<Qt3DRender::QRenderTarget*>();
++ }
++
++ private Q_SLOTS:
++
++ void checkCreationData_data()
++ {
++ QTest::addColumn<Qt3DRender::QBlitFramebuffer *>("blitFramebuffer");
++
++ Qt3DRender::QBlitFramebuffer *defaultConstructed = new Qt3DRender::QBlitFramebuffer();
++ Qt3DRender::QRenderTarget *sourceRenderTarget = new Qt3DRender::QRenderTarget();
++ Qt3DRender::QRenderTarget *destinationRenderTarget = new Qt3DRender::QRenderTarget();
++ defaultConstructed->setSource(sourceRenderTarget);
++ defaultConstructed->setDestination(destinationRenderTarget);
++ QTest::newRow("defaultConstructed") << defaultConstructed;
++ }
++
++ void checkInitialState()
++ {
++ // GIVEN
++ Qt3DRender::QBlitFramebuffer blitFramebuffer;
++
++ // THEN
++ QCOMPARE(blitFramebuffer.source(), nullptr);
++ QCOMPARE(blitFramebuffer.destination(), nullptr);
++ QCOMPARE(blitFramebuffer.sourceRect(), QRect());
++ QCOMPARE(blitFramebuffer.destinationRect(), QRect());
++ QCOMPARE(blitFramebuffer.sourceAttachmentPoint(), Qt3DRender::QRenderTargetOutput::AttachmentPoint::Color0);
++ QCOMPARE(blitFramebuffer.destinationAttachmentPoint(), Qt3DRender::QRenderTargetOutput::AttachmentPoint::Color0);
++ QCOMPARE(blitFramebuffer.interpolationMethod(), Qt3DRender::QBlitFramebuffer::Linear);
++ }
++
++ void checkPropertyUpdate()
++ {
++ // GIVEN
++ TestArbiter arbiter;
++ QScopedPointer<Qt3DRender::QBlitFramebuffer> blitFramebuffer(new Qt3DRender::QBlitFramebuffer());
++ arbiter.setArbiterOnNode(blitFramebuffer.data());
++
++ Qt3DRender::QRenderTarget *sourceRenderTarget = new Qt3DRender::QRenderTarget;
++ Qt3DRender::QRenderTarget *destinationRenderTarget = new Qt3DRender::QRenderTarget;
++
++ // sourceRenderTarget
++ // WHEN
++ blitFramebuffer->setSource(sourceRenderTarget);
++
++ // THEN
++ QCOMPARE(arbiter.dirtyNodes().size(), 1);
++ QCOMPARE(arbiter.dirtyNodes().front(), blitFramebuffer.data());
++
++ arbiter.clear();
++
++ // WHEN
++ blitFramebuffer->setSource(sourceRenderTarget);
++
++ // THEN
++ QCOMPARE(arbiter.dirtyNodes().size(), 0);
++
++ // WHEN
++ blitFramebuffer->setSource(nullptr);
++
++ // THEN
++ QCOMPARE(arbiter.dirtyNodes().size(), 1);
++ QCOMPARE(arbiter.dirtyNodes().front(), blitFramebuffer.data());
++
++ arbiter.clear();
++
++ // destinationRenderTarget
++ // WHEN
++ blitFramebuffer->setDestination(destinationRenderTarget);
++
++ // THEN
++ QCOMPARE(arbiter.dirtyNodes().size(), 1);
++ QCOMPARE(arbiter.dirtyNodes().front(), blitFramebuffer.data());
++
++ arbiter.clear();
++
++ // WHEN
++ blitFramebuffer->setDestination(destinationRenderTarget);
++
++ // THEN
++ QCOMPARE(arbiter.dirtyNodes().size(), 0);
++
++ // WHEN
++ blitFramebuffer->setDestination(nullptr);
++
++ // THEN
++ QCOMPARE(arbiter.dirtyNodes().size(), 1);
++ QCOMPARE(arbiter.dirtyNodes().front(), blitFramebuffer.data());
++
++ arbiter.clear();
++
++ // sourceRect
++ // WHEN
++ blitFramebuffer->setSourceRect(QRect(0,0,1,1));
++
++ // THEN
++ QCOMPARE(arbiter.dirtyNodes().size(), 1);
++ QCOMPARE(arbiter.dirtyNodes().front(), blitFramebuffer.data());
++
++ arbiter.clear();
++
++ // WHEN
++ blitFramebuffer->setSourceRect(QRect(0,0,1,1));
++
++ // THEN
++ QCOMPARE(arbiter.dirtyNodes().size(), 0);
++
++ // WHEN
++ blitFramebuffer->setSourceRect(QRect());
++
++ // THEN
++ QCOMPARE(arbiter.dirtyNodes().size(), 1);
++ QCOMPARE(arbiter.dirtyNodes().front(), blitFramebuffer.data());
++
++ arbiter.clear();
++
++ // destinationRect
++ blitFramebuffer->setDestinationRect(QRect(0,0,1,1));
++
++ // THEN
++ QCOMPARE(arbiter.dirtyNodes().size(), 1);
++ QCOMPARE(arbiter.dirtyNodes().front(), blitFramebuffer.data());
++
++ arbiter.clear();
++
++ // WHEN
++ blitFramebuffer->setDestinationRect(QRect(0,0,1,1));
++
++ // THEN
++ QCOMPARE(arbiter.dirtyNodes().size(), 0);
++
++ // WHEN
++ blitFramebuffer->setDestinationRect(QRect());
++
++ // THEN
++ QCOMPARE(arbiter.dirtyNodes().size(), 1);
++ QCOMPARE(arbiter.dirtyNodes().front(), blitFramebuffer.data());
++
++ arbiter.clear();
++
++ // sourceAttachmentPoint
++ // WHEN
++ blitFramebuffer->setSourceAttachmentPoint(Qt3DRender::QRenderTargetOutput::Color1);
++
++ // THEN
++ QCOMPARE(arbiter.dirtyNodes().size(), 1);
++ QCOMPARE(arbiter.dirtyNodes().front(), blitFramebuffer.data());
++
++ arbiter.clear();
++
++ // WHEN
++ blitFramebuffer->setSourceAttachmentPoint(Qt3DRender::QRenderTargetOutput::Color1);
++
++ // THEN
++ QCOMPARE(arbiter.dirtyNodes().size(), 0);
++
++ // WHEN
++ blitFramebuffer->setSourceAttachmentPoint(Qt3DRender::QRenderTargetOutput::Color0);
++
++ // THEN
++ QCOMPARE(arbiter.dirtyNodes().size(), 1);
++ QCOMPARE(arbiter.dirtyNodes().front(), blitFramebuffer.data());
++
++ arbiter.clear();
++
++ // destinationAttachmentPoint
++ // WHEN
++ blitFramebuffer->setDestinationAttachmentPoint(Qt3DRender::QRenderTargetOutput::Color1);
++
++ // THEN
++ QCOMPARE(arbiter.dirtyNodes().size(), 1);
++ QCOMPARE(arbiter.dirtyNodes().front(), blitFramebuffer.data());
++
++ arbiter.clear();
++
++ // WHEN
++ blitFramebuffer->setDestinationAttachmentPoint(Qt3DRender::QRenderTargetOutput::Color1);
++
++ // THEN
++ QCOMPARE(arbiter.dirtyNodes().size(), 0);
++
++ // WHEN
++ blitFramebuffer->setDestinationAttachmentPoint(Qt3DRender::QRenderTargetOutput::Color0);
++
++ // THEN
++ QCOMPARE(arbiter.dirtyNodes().size(), 1);
++ QCOMPARE(arbiter.dirtyNodes().front(), blitFramebuffer.data());
++
++ arbiter.clear();
++ }
++
++ void checkSourceDestReset()
++ {
++ // GIVEN
++ TestArbiter arbiter;
++ QScopedPointer<Qt3DRender::QBlitFramebuffer> blitFramebuffer(new Qt3DRender::QBlitFramebuffer());
++ arbiter.setArbiterOnNode(blitFramebuffer.data());
++
++ Qt3DRender::QRenderTarget *sourceRenderTarget = new Qt3DRender::QRenderTarget; // no parent
++ Qt3DRender::QRenderTarget *destinationRenderTarget = new Qt3DRender::QRenderTarget(sourceRenderTarget); // have a parent
++
++ // WHEN
++ blitFramebuffer->setSource(sourceRenderTarget);
++ blitFramebuffer->setDestination(destinationRenderTarget);
++ QCoreApplication::processEvents();
++
++ // THEN
++ QCOMPARE(sourceRenderTarget->parent(), blitFramebuffer.data());
++ QCOMPARE(destinationRenderTarget->parent(), sourceRenderTarget); // already set parent must not change
++
++ // WHEN
++ delete sourceRenderTarget;
++
++ // THEN
++ QVERIFY(!blitFramebuffer->source());
++ QVERIFY(!blitFramebuffer->destination()); // gone too since destinationRenderTarget was parented to sourceRenderTarget
++ }
++ };
++
++ QTEST_MAIN(tst_QBlitFrameBuffer)
++
++ #include "tst_qblitframebuffer.moc"