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// Copyright (C) 2017 Klaralvdalens Datakonsult AB (KDAB).
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include <QtTest/QTest>
#include <Qt3DCore/qentity.h>
#include <Qt3DRender/private/nodemanagers_p.h>
#include <Qt3DRender/private/managers_p.h>
#include <Qt3DRender/private/entity_p.h>
#include <Qt3DRender/private/framegraphnode_p.h>
#include <Qt3DRender/private/framegraphvisitor_p.h>
#include <Qt3DRender/qtechniquefilter.h>
#include <Qt3DRender/qnodraw.h>
#include <Qt3DRender/qfrustumculling.h>
#include <Qt3DRender/qviewport.h>
#include "testaspect.h"
namespace {
} // anonymous
using FGIdType = QPair<Qt3DCore::QNodeId, Qt3DRender::Render::FrameGraphNode::FrameGraphNodeType>;
using BranchIdsAndTypes = QList<FGIdType>;
Q_DECLARE_METATYPE(QList<BranchIdsAndTypes>)
class tst_FrameGraphVisitor : public QObject
{
Q_OBJECT
private Q_SLOTS:
void visitFGTree_data()
{
QTest::addColumn<Qt3DCore::QEntity *>("rootEntity");
QTest::addColumn<Qt3DRender::QFrameGraphNode *>("fgRoot");
QTest::addColumn<QList<BranchIdsAndTypes>>("fgNodeIdsPerBranch");
{
Qt3DCore::QEntity *entity = new Qt3DCore::QEntity();
Qt3DRender::QTechniqueFilter *techniqueFilter = new Qt3DRender::QTechniqueFilter(entity);
QTest::newRow("singleNode") << entity
<< static_cast<Qt3DRender::QFrameGraphNode *>(techniqueFilter)
<< (QList<BranchIdsAndTypes>()
<< (BranchIdsAndTypes() << FGIdType(techniqueFilter->id(), Qt3DRender::Render::FrameGraphNode::TechniqueFilter))
);
}
{
Qt3DCore::QEntity *entity = new Qt3DCore::QEntity();
Qt3DRender::QTechniqueFilter *techniqueFilter = new Qt3DRender::QTechniqueFilter(entity);
Qt3DRender::QFrustumCulling *frustumCulling = new Qt3DRender::QFrustumCulling(techniqueFilter);
Qt3DRender::QNoDraw *noDraw = new Qt3DRender::QNoDraw(frustumCulling);
QTest::newRow("singleBranch") << entity
<< static_cast<Qt3DRender::QFrameGraphNode *>(techniqueFilter)
<< (QList<BranchIdsAndTypes>()
<< (BranchIdsAndTypes()
<< FGIdType(noDraw->id(), Qt3DRender::Render::FrameGraphNode::NoDraw)
<< FGIdType(frustumCulling->id(), Qt3DRender::Render::FrameGraphNode::FrustumCulling)
<< FGIdType(techniqueFilter->id(), Qt3DRender::Render::FrameGraphNode::TechniqueFilter)
)
);
}
{
Qt3DCore::QEntity *entity = new Qt3DCore::QEntity();
Qt3DRender::QTechniqueFilter *techniqueFilter = new Qt3DRender::QTechniqueFilter(entity);
Qt3DRender::QFrustumCulling *frustumCulling = new Qt3DRender::QFrustumCulling(techniqueFilter);
Qt3DRender::QNoDraw *noDraw = new Qt3DRender::QNoDraw(frustumCulling);
Qt3DRender::QViewport *viewPort = new Qt3DRender::QViewport(frustumCulling);
QTest::newRow("dualBranch") << entity
<< static_cast<Qt3DRender::QFrameGraphNode *>(techniqueFilter)
<< (QList<BranchIdsAndTypes>()
<< (BranchIdsAndTypes()
<< FGIdType(noDraw->id(), Qt3DRender::Render::FrameGraphNode::NoDraw)
<< FGIdType(frustumCulling->id(), Qt3DRender::Render::FrameGraphNode::FrustumCulling)
<< FGIdType(techniqueFilter->id(), Qt3DRender::Render::FrameGraphNode::TechniqueFilter)
)
<< (BranchIdsAndTypes()
<< FGIdType(viewPort->id(), Qt3DRender::Render::FrameGraphNode::Viewport)
<< FGIdType(frustumCulling->id(), Qt3DRender::Render::FrameGraphNode::FrustumCulling)
<< FGIdType(techniqueFilter->id(), Qt3DRender::Render::FrameGraphNode::TechniqueFilter)
)
);
}
}
void visitFGTree()
{
// GIVEN
QFETCH(Qt3DCore::QEntity *, rootEntity);
QFETCH(Qt3DRender::QFrameGraphNode *, fgRoot);
QFETCH(QList<BranchIdsAndTypes>, fgNodeIdsPerBranch);
QScopedPointer<Qt3DRender::TestAspect> aspect(new Qt3DRender::TestAspect(rootEntity));
// THEN
Qt3DRender::Render::FrameGraphManager *fgManager = aspect->nodeManagers()->frameGraphManager();
Qt3DRender::Render::FrameGraphNode *backendFGRoot = fgManager->lookupNode(fgRoot->id());
QVERIFY(backendFGRoot != nullptr);
// WHEN
Qt3DRender::Render::FrameGraphVisitor visitor(fgManager);
const std::vector<Qt3DRender::Render::FrameGraphNode *> fgNodes = visitor.traverse(backendFGRoot);
// THEN
QCOMPARE(size_t(fgNodeIdsPerBranch.size()), fgNodes.size());
for (int i = 0; i < fgNodeIdsPerBranch.size(); ++i) {
const BranchIdsAndTypes brandIdsAndTypes = fgNodeIdsPerBranch.at(i);
Qt3DRender::Render::FrameGraphNode *fgNode = fgNodes.at(i);
for (int j = 0; j < brandIdsAndTypes.size(); ++j) {
const FGIdType idAndType = brandIdsAndTypes.at(j);
QVERIFY(fgNode != nullptr);
QCOMPARE(fgNode->peerId(), idAndType.first);
QCOMPARE(fgNode->nodeType(), idAndType.second);
fgNode = fgNode->parent();
}
QVERIFY(fgNode == nullptr);
}
delete rootEntity;
}
};
QTEST_MAIN(tst_FrameGraphVisitor)
#include "tst_framegraphvisitor.moc"