qquick3dmaterial.cpp

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// Copyright (C) 2019 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
 
#include "qquick3dmaterial_p.h"
#include "qquick3dobject_p.h"
#include "qquick3dscenemanager_p.h"
 
#include <QtQuick3DRuntimeRender/private/qssgrenderdefaultmaterial_p.h>
#include <QtQuick3DRuntimeRender/private/qssgrendercustommaterial_p.h>
#include <QtQuick3DUtils/private/qssgutils_p.h>
 
QT_BEGIN_NAMESPACE
 
QQuick3DMaterial::QQuick3DMaterial(QQuick3DObjectPrivate &dd, QQuick3DObject *parent)
    : QQuick3DObject(dd, parent) {}
 
QQuick3DMaterial::~QQuick3DMaterial()
{
}
 
QQuick3DTexture *QQuick3DMaterial::lightProbe() const
{
    return m_iblProbe;
}
 
QQuick3DMaterial::CullMode QQuick3DMaterial::cullMode() const
{
    return m_cullMode;
}
 
QQuick3DMaterial::DepthDrawMode QQuick3DMaterial::depthDrawMode() const
{
    return m_depthDrawMode;
}
 
void QQuick3DMaterial::setLightProbe(QQuick3DTexture *iblProbe)
{
    if (m_iblProbe == iblProbe)
        return;
 
    QQuick3DObjectPrivate::attachWatcher(this, &QQuick3DMaterial::setLightProbe, iblProbe, m_iblProbe);
 
    m_iblProbe = iblProbe;
    emit lightProbeChanged(m_iblProbe);
    update();
}
 
void QQuick3DMaterial::setCullMode(QQuick3DMaterial::CullMode cullMode)
{
    if (m_cullMode == cullMode)
        return;
 
    m_cullMode = cullMode;
    emit cullModeChanged(m_cullMode);
    update();
}
 
void QQuick3DMaterial::setDepthDrawMode(QQuick3DMaterial::DepthDrawMode depthDrawMode)
{
    if (m_depthDrawMode == depthDrawMode)
        return;
 
    m_depthDrawMode = depthDrawMode;
    emit depthDrawModeChanged(m_depthDrawMode);
    update();
}
 
QSSGRenderGraphObject *QQuick3DMaterial::updateSpatialNode(QSSGRenderGraphObject *node)
{
    if (!node)
        return nullptr;
 
    QQuick3DObject::updateSpatialNode(node);
 
    // Set the common properties
    if (node->type == QSSGRenderGraphObject::Type::DefaultMaterial ||
        node->type == QSSGRenderGraphObject::Type::PrincipledMaterial ||
        node->type == QSSGRenderGraphObject::Type::SpecularGlossyMaterial) {
        auto defaultMaterial = static_cast<QSSGRenderDefaultMaterial *>(node);
 
        if (!m_iblProbe)
            defaultMaterial->iblProbe = nullptr;
        else
            defaultMaterial->iblProbe = m_iblProbe->getRenderImage();
 
        defaultMaterial->cullMode = QSSGCullFaceMode(m_cullMode);
        defaultMaterial->depthDrawMode = QSSGDepthDrawMode(m_depthDrawMode);
 
        DebugViewHelpers::ensureDebugObjectName(defaultMaterial, this);
 
        node = defaultMaterial;
    } else if (node->type == QSSGRenderGraphObject::Type::CustomMaterial) {
        auto customMaterial = static_cast<QSSGRenderCustomMaterial *>(node);
 
        if (!m_iblProbe)
            customMaterial->m_iblProbe = nullptr;
        else
            customMaterial->m_iblProbe = m_iblProbe->getRenderImage();
 
        customMaterial->m_cullMode = QSSGCullFaceMode(m_cullMode);
        customMaterial->m_depthDrawMode = QSSGDepthDrawMode(m_depthDrawMode);
 
        DebugViewHelpers::ensureDebugObjectName(customMaterial, this);
 
        node = customMaterial;
    }
 
    return node;
}
 
void QQuick3DMaterial::itemChange(QQuick3DObject::ItemChange change, const QQuick3DObject::ItemChangeData &value)
{
    if (change == QQuick3DObject::ItemSceneChange)
        updateSceneManager(value.sceneManager);
}
 
void QQuick3DMaterial::updateSceneManager(QQuick3DSceneManager *sceneManager)
{
    if (sceneManager) {
        QQuick3DObjectPrivate::refSceneManager(m_iblProbe, *sceneManager);
    } else {
       QQuick3DObjectPrivate::derefSceneManager(m_iblProbe);
    }
}
 
QT_END_NAMESPACE