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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 "qrendersettings.h"
#include "qrendersettings_p.h"
#include "qrendercapabilities.h"
#include "qframegraphnode.h"
#include "qrendersurfaceselector.h"
#include "qrendersurfaceselector_p.h"
QT_BEGIN_NAMESPACE
namespace Qt3DRender {
/*!
\class Qt3DRender::QRenderSettings
\brief The QRenderSettings class holds settings related to rendering process and host the active
\l{Qt 3D Render Framegraph}{FrameGraph}.
\since 5.7
\inmodule Qt3DRender
\inherits Qt3DCore::QComponent
The QRenderSettings component must be set as a component of the scene root entity. It specifies
render policy and picking settings, as well as hosts the active
\l{Qt 3D Render Framegraph}{FrameGraph}.
*/
/*!
\qmltype RenderSettings
\brief The RenderSettings type holds settings related to rendering process and host the active
\l{Qt 3D Render Framegraph}{FrameGraph}.
\since 5.7
\inqmlmodule Qt3D.Render
\instantiates Qt3DRender::QRenderSettings
The RenderSettings component must be set as a component of the scene root entity. It specifies
render policy and picking settings, as well as hosts the active
\l{Qt 3D Render Framegraph}{FrameGraph}.
*/
/*! \internal */
QRenderSettingsPrivate::QRenderSettingsPrivate()
: Qt3DCore::QComponentPrivate()
, m_activeFrameGraph(nullptr)
, m_renderPolicy(QRenderSettings::Always)
{
}
/*! \internal */
void QRenderSettingsPrivate::init()
{
Q_Q(QRenderSettings);
QObject::connect(&m_pickingSettings, SIGNAL(pickMethodChanged(QPickingSettings::PickMethod)),
q, SLOT(_q_onPickingMethodChanged(QPickingSettings::PickMethod)));
QObject::connect(&m_pickingSettings, SIGNAL(pickResultModeChanged(QPickingSettings::PickResultMode)),
q, SLOT(_q_onPickResultModeChanged(QPickingSettings::PickResultMode)));
QObject::connect(&m_pickingSettings, SIGNAL(faceOrientationPickingModeChanged(QPickingSettings::FaceOrientationPickingMode)),
q, SLOT(_q_onFaceOrientationPickingModeChanged(QPickingSettings::FaceOrientationPickingMode)));
QObject::connect(&m_pickingSettings, SIGNAL(worldSpaceToleranceChanged(float)),
q, SLOT(_q_onWorldSpaceToleranceChanged(float)));
}
void QRenderSettingsPrivate::invalidateFrame()
{
update();
}
/*! \internal */
void QRenderSettingsPrivate::_q_onPickingMethodChanged(QPickingSettings::PickMethod pickMethod)
{
notifyPropertyChange("pickMethod", pickMethod);
}
/*! \internal */
void QRenderSettingsPrivate::_q_onPickResultModeChanged(QPickingSettings::PickResultMode pickResultMode)
{
notifyPropertyChange("pickResultMode", pickResultMode);
}
/*! \internal */
void QRenderSettingsPrivate::_q_onFaceOrientationPickingModeChanged(QPickingSettings::FaceOrientationPickingMode faceOrientationPickingMode)
{
notifyPropertyChange("faceOrientationPickingMode", faceOrientationPickingMode);
}
/*! \internal */
void QRenderSettingsPrivate::_q_onWorldSpaceToleranceChanged(float worldSpaceTolerance)
{
notifyPropertyChange("pickWorldSpaceTolerance", worldSpaceTolerance);
}
QRenderSettings::QRenderSettings(Qt3DCore::QNode *parent)
: QRenderSettings(*new QRenderSettingsPrivate, parent) {}
/*! \internal */
QRenderSettings::QRenderSettings(QRenderSettingsPrivate &dd, Qt3DCore::QNode *parent)
: Qt3DCore::QComponent(dd, parent)
{
Q_D(QRenderSettings);
d->init();
}
/*! \internal */
QRenderSettings::~QRenderSettings()
{
}
/*!
\qmlproperty RenderCapabilities RenderSettings::renderCapabilities
Holds the details of the supported rendering engine
\readonly
\since 5.15
*/
/*!
\property Qt3DRender::QRenderSettings::renderCapabilities
Holds the details of the supported rendering engine
\readonly
\since 5.15
*/
QRenderCapabilities *QRenderSettings::renderCapabilities()
{
Q_D(QRenderSettings);
return &(d->m_renderCapabilities);
}
/*!
\qmlproperty PickingSettings RenderSettings::pickingSettings
Holds the current pick settings for the \l{Qt 3D Render Framegraph}{FrameGraph}.
\readonly
*/
/*!
\property Qt3DRender::QRenderSettings::pickingSettings
Holds the current pick settings for the \l{Qt 3D Render Framegraph}{FrameGraph}.
\readonly
*/
QPickingSettings *QRenderSettings::pickingSettings()
{
Q_D(QRenderSettings);
return &(d->m_pickingSettings);
}
/*!
\qmlproperty FrameGraphNode RenderSettings::activeFrameGraph
Holds the currently active \l{Qt 3D Render Framegraph}{FrameGraph}.
*/
/*!
\property Qt3DRender::QRenderSettings::activeFrameGraph
Holds the currently active \l{Qt 3D Render Framegraph}{FrameGraph}.
*/
QFrameGraphNode *QRenderSettings::activeFrameGraph() const
{
Q_D(const QRenderSettings);
return d->m_activeFrameGraph;
}
/*!
\enum Qt3DRender::QRenderSettings::RenderPolicy
The render policy.
\value OnDemand The \l{Qt 3D Render Framegraph}{FrameGraph} is rendered only when something
changes.
\value Always The \l{Qt 3D Render Framegraph}{FrameGraph} is rendered continuously, even if
nothing has changed.
*/
/*!
\qmlproperty enumeration RenderSettings::renderPolicy
Holds the current render policy.
\list
\li RenderSettings.OnDemand
\li RenderSettings.Always
\endlist
\sa Qt3DRender::QRenderSettings::RenderPolicy
*/
/*!
\property Qt3DRender::QRenderSettings::renderPolicy
Holds the current render policy.
*/
QRenderSettings::RenderPolicy QRenderSettings::renderPolicy() const
{
Q_D(const QRenderSettings);
return d->m_renderPolicy;
}
void QRenderSettings::setActiveFrameGraph(QFrameGraphNode *activeFrameGraph)
{
Q_D(QRenderSettings);
if (d->m_activeFrameGraph == activeFrameGraph)
return;
// if the old frame graph had a SurfaceSelector, use the given surface for the new framegraph, too.
if (d->m_activeFrameGraph && activeFrameGraph) {
Qt3DRender::QRenderSurfaceSelector *oldSurfaceSelector = Qt3DRender::QRenderSurfaceSelectorPrivate::find(d->m_activeFrameGraph);
Qt3DRender::QRenderSurfaceSelector *newSurfaceSelector = Qt3DRender::QRenderSurfaceSelectorPrivate::find(activeFrameGraph);
if (oldSurfaceSelector && newSurfaceSelector && oldSurfaceSelector->surface()) {
newSurfaceSelector->setExternalRenderTargetSize(oldSurfaceSelector->externalRenderTargetSize());
newSurfaceSelector->setSurfacePixelRatio(oldSurfaceSelector->surfacePixelRatio());
newSurfaceSelector->setSurface(oldSurfaceSelector->surface());
}
}
if (d->m_activeFrameGraph)
d->unregisterDestructionHelper(d->m_activeFrameGraph);
if (activeFrameGraph != nullptr && !activeFrameGraph->parent())
activeFrameGraph->setParent(this);
d->m_activeFrameGraph = activeFrameGraph;
// Ensures proper bookkeeping
if (d->m_activeFrameGraph)
d->registerDestructionHelper(d->m_activeFrameGraph, &QRenderSettings::setActiveFrameGraph, d->m_activeFrameGraph);
emit activeFrameGraphChanged(activeFrameGraph);
}
void QRenderSettings::setRenderPolicy(QRenderSettings::RenderPolicy renderPolicy)
{
Q_D(QRenderSettings);
if (d->m_renderPolicy == renderPolicy)
return;
d->m_renderPolicy = renderPolicy;
emit renderPolicyChanged(renderPolicy);
}
} // namespace Qt3Drender
QT_END_NAMESPACE
#include "moc_qrendersettings.cpp"
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