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28
29#include <QtTest/QTest>
30#include <qbackendnodetester.h>
31#include <Qt3DRender/QLevelOfDetail>
32#include <Qt3DRender/QLevelOfDetailBoundingSphere>
33#include <Qt3DRender/private/levelofdetail_p.h>
34#include <Qt3DRender/private/qlevelofdetail_p.h>
35#include <Qt3DCore/private/qbackendnode_p.h>
36#include "testpostmanarbiter.h"
37#include "testrenderer.h"
38
39class tst_LevelOfDetail : public Qt3DCore::QBackendNodeTester
40{
41 Q_OBJECT
42private Q_SLOTS:
43
44 void checkPeerPropertyMirroring()
45 {
46 // GIVEN
47 TestRenderer renderer;
48 Qt3DRender::Render::LevelOfDetail renderLod;
49 Qt3DRender::QLevelOfDetail lod;
50
51 // WHEN
52 renderLod.setRenderer(&renderer);
53 simulateInitializationSync(frontend: &lod, backend: &renderLod);
54
55 // THEN
56 QCOMPARE(renderLod.peerId(), lod.id());
57 QVERIFY(renderLod.camera().isNull() && lod.camera() == nullptr);
58 QCOMPARE(renderLod.currentIndex(), lod.currentIndex());
59 QCOMPARE(renderLod.thresholdType(), lod.thresholdType());
60 QCOMPARE(renderLod.thresholds(), lod.thresholds());
61 QCOMPARE(renderLod.center(), lod.volumeOverride().center());
62 QCOMPARE(renderLod.radius(), lod.volumeOverride().radius());
63 }
64
65 void checkInitialAndCleanedUpState()
66 {
67 // GIVEN
68 Qt3DRender::Render::LevelOfDetail renderLod;
69 TestRenderer renderer;
70
71 // THEN
72 QCOMPARE(renderLod.camera(), Qt3DCore::QNodeId{});
73 QCOMPARE(renderLod.currentIndex(), 0);
74 QCOMPARE(renderLod.thresholdType(), Qt3DRender::QLevelOfDetail::DistanceToCameraThreshold);
75 QVERIFY(renderLod.thresholds().empty());
76 QCOMPARE(renderLod.radius(), 1.f);
77 QCOMPARE(renderLod.center(), QVector3D{});
78 QVERIFY(renderLod.peerId().isNull());
79
80 // GIVEN
81 Qt3DRender::QLevelOfDetail lod;
82 lod.setThresholdType(Qt3DRender::QLevelOfDetail::ProjectedScreenPixelSizeThreshold);
83
84 // WHEN
85 renderLod.setRenderer(&renderer);
86 simulateInitializationSync(frontend: &lod, backend: &renderLod);
87
88 // THEN
89 QCOMPARE(renderLod.thresholdType(), lod.thresholdType());
90 }
91
92 void checkPropertyChanges()
93 {
94 // GIVEN
95 TestRenderer renderer;
96 Qt3DRender::QLevelOfDetail lod;
97 Qt3DRender::Render::LevelOfDetail renderLod;
98 renderLod.setRenderer(&renderer);
99 simulateInitializationSync(frontend: &lod, backend: &renderLod);
100
101 // THEN
102 QVERIFY(renderLod.thresholdType() != Qt3DRender::QLevelOfDetail::ProjectedScreenPixelSizeThreshold);
103 QVERIFY(renderLod.camera().isNull());
104
105 {
106 // WHEN
107 lod.setThresholdType(Qt3DRender::QLevelOfDetail::ProjectedScreenPixelSizeThreshold);
108 renderLod.syncFromFrontEnd(frontEnd: &lod, firstTime: false);
109
110 // THEN
111 QCOMPARE(renderLod.thresholdType(), Qt3DRender::QLevelOfDetail::ProjectedScreenPixelSizeThreshold);
112 QVERIFY(renderer.dirtyBits() & Qt3DRender::Render::AbstractRenderer::GeometryDirty);
113 renderer.clearDirtyBits(changes: Qt3DRender::Render::AbstractRenderer::AllDirty); }
114
115 {
116 const QVector<qreal> thresholds = {20.f, 30.f, 40.f};
117
118 // WHEN
119 lod.setThresholds(thresholds);
120 renderLod.syncFromFrontEnd(frontEnd: &lod, firstTime: false);
121 // THEN
122 QCOMPARE(renderLod.thresholds(), thresholds);
123 }
124
125 {
126 // WHEN
127 const Qt3DRender::QLevelOfDetailBoundingSphere sphere(QVector3D(1.0f, 2.0f, 3.0f), 1.0f);
128 // WHEN
129 lod.setVolumeOverride(sphere);
130 renderLod.syncFromFrontEnd(frontEnd: &lod, firstTime: false);
131
132 // THEN
133 QCOMPARE(renderLod.center(), QVector3D(1., 2., 3.));
134 }
135 }
136};
137
138
139QTEST_APPLESS_MAIN(tst_LevelOfDetail)
140
141#include "tst_levelofdetail.moc"
142

source code of qt3d/tests/auto/render/levelofdetail/tst_levelofdetail.cpp