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// Copyright (C) 2016 Klaralvdalens Datakonsult AB (KDAB).
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "scene3dsgnode_p.h"
#include <QtCore/qthread.h>
#include <scene3dlogging_p.h>
QT_BEGIN_NAMESPACE
namespace Qt3DRender {
/*!
\class Qt3DCore::Scene3DSGNode
\internal
\brief The Qt3DCore::Scene3DSGNode class is a simple QSGeometryNode subclass that
uses a Qt3DCore::Scene3DMaterial
The Qt3DCore::Scene3DSGNode allows to render a simple rectangle textured with a
texture using premultiplied alpha.
*/
Scene3DSGNode::Scene3DSGNode()
: QSGGeometryNode()
, m_geometry(QSGGeometry::defaultAttributes_TexturedPoint2D(), 4)
{
setMaterial(&m_material);
setOpaqueMaterial(&m_opaqueMaterial);
setGeometry(&m_geometry);
qCDebug(Scene3D) << Q_FUNC_INFO << QThread::currentThread();
}
Scene3DSGNode::~Scene3DSGNode()
{
qCDebug(Scene3D) << Q_FUNC_INFO << QThread::currentThread();
// The Scene3DSGNode is deleted by the QSGRenderThread when the SceneGraph
// is terminated.
}
void Scene3DSGNode::setRect(const QRectF &rect, bool mirrorVertically)
{
if (rect != m_rect) {
m_rect = rect;
// By default, map the item's bounding rect to normalized texture coordinates
QRectF textureRect = QRectF(0.0f, 1.0f, 1.0f, -1.0f);
if (mirrorVertically) {
float tmp = textureRect.top();
textureRect.setTop(textureRect.bottom());
textureRect.setBottom(tmp);
}
QSGGeometry::updateTexturedRectGeometry(&m_geometry, m_rect, textureRect);
markDirty(DirtyGeometry);
}
}
void Scene3DSGNode::show()
{
m_material.show();
m_opaqueMaterial.show();
}
} // namespace Qt3DRender
QT_END_NAMESPACE
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