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39
40#include "scene3dsgnode_p.h"
41
42#include <QtCore/qthread.h>
43
44#include <scene3dlogging_p.h>
45
46QT_BEGIN_NAMESPACE
47
48namespace Qt3DRender {
49
50/*!
51 \class Qt3DCore::Scene3DSGNode
52 \internal
53
54 \brief The Qt3DCore::Scene3DSGNode class is a simple QSGeometryNode subclass that
55 uses a Qt3DCore::Scene3DMaterial
56
57 The Qt3DCore::Scene3DSGNode allows to render a simple rectangle textured with a
58 texture using premultiplied alpha.
59 */
60Scene3DSGNode::Scene3DSGNode()
61 : QSGGeometryNode()
62 , m_geometry(QSGGeometry::defaultAttributes_TexturedPoint2D(), 4)
63{
64 setMaterial(&m_material);
65 setOpaqueMaterial(&m_opaqueMaterial);
66 setGeometry(&m_geometry);
67 qCDebug(Scene3D) << Q_FUNC_INFO << QThread::currentThread();
68}
69
70Scene3DSGNode::~Scene3DSGNode()
71{
72 qCDebug(Scene3D) << Q_FUNC_INFO << QThread::currentThread();
73 // The Scene3DSGNode is deleted by the QSGRenderThread when the SceneGraph
74 // is terminated.
75}
76
77void Scene3DSGNode::setRect(const QRectF &rect, const QRectF textureRect)
78{
79 if (rect != m_rect) {
80 m_rect = rect;
81 // By default, map the item's bounding rect to normalized texture coordinates
82 QSGGeometry::updateTexturedRectGeometry(g: &m_geometry, rect: m_rect, sourceRect: textureRect);
83 markDirty(bits: DirtyGeometry);
84 }
85}
86
87void Scene3DSGNode::show()
88{
89 m_material.show();
90 m_opaqueMaterial.show();
91}
92
93} // namespace Qt3DRender
94
95QT_END_NAMESPACE
96

source code of qt3d/src/quick3d/imports/scene3d/scene3dsgnode.cpp