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// Copyright (C) 2014 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 "qrendertarget.h"
#include "qrendertarget_p.h"
#include "qrendertargetoutput.h"
QT_BEGIN_NAMESPACE
using namespace Qt3DCore;
namespace Qt3DRender {
/*!
\class Qt3DRender::QRenderTarget
\brief The QRenderTarget class encapsulates a target (usually a frame buffer
object) which the renderer can render into.
\since 5.7
\inmodule Qt3DRender
A Qt3DRender::QRenderTarget comprises of Qt3DRender::QRenderTargetOutput objects,
which specify the the buffers the render target is rendering to. The user can
specify MRT(Multiple Render Targets) by attaching multiple textures to different
attachment points. The results are undefined if the user tries to attach multiple
textures to the same attachment point. At render time, only the draw buffers specified
in the Qt3DRender::QRenderTargetSelector are used.
*/
/*!
\qmltype RenderTarget
\brief The RenderTarget class encapsulates a target (usually a frame buffer
object) which the renderer can render into.
\since 5.7
\inqmlmodule Qt3D.Render
\instantiates Qt3DRender::QRenderTarget
A RenderTarget comprises of RenderTargetOutput objects, which specify the the buffers
the render target is rendering to. The user can specify MRT(Multiple Render Targets)
by attaching multiple textures to different attachment points. The results are undefined
if the user tries to attach multiple textures to the same attachment point. At render
time, only the draw buffers specified in the RenderTargetSelector are used.
*/
/*!
\qmlproperty list<RenderTargetOutput> RenderTarget::attachments
Holds the attachments for the RenderTarget.
*/
/*! \internal */
QRenderTargetPrivate::QRenderTargetPrivate()
: QComponentPrivate()
{
}
/*!
The constructor creates a new QRenderTarget::QRenderTarget instance with
the specified \a parent.
*/
QRenderTarget::QRenderTarget(QNode *parent)
: QComponent(*new QRenderTargetPrivate, parent)
{
}
/*! \internal */
QRenderTarget::~QRenderTarget()
{
}
/*! \internal */
QRenderTarget::QRenderTarget(QRenderTargetPrivate &dd, QNode *parent)
: QComponent(dd, parent)
{
}
/*!
Adds a chosen output via \a output.
*/
void QRenderTarget::addOutput(QRenderTargetOutput *output)
{
Q_D(QRenderTarget);
if (output && !d->m_outputs.contains(output)) {
d->m_outputs.append(output);
// Ensures proper bookkeeping
d->registerDestructionHelper(output, &QRenderTarget::removeOutput, d->m_outputs);
if (!output->parent())
output->setParent(this);
d->update();
}
}
/*!
Removes a chosen output via \a output.
*/
void QRenderTarget::removeOutput(QRenderTargetOutput *output)
{
Q_D(QRenderTarget);
if (!d->m_outputs.removeOne(output))
return;
d->update();
// Remove bookkeeping connection
d->unregisterDestructionHelper(output);
}
/*!
\return the chosen outputs.
*/
QList<QRenderTargetOutput *> QRenderTarget::outputs() const
{
Q_D(const QRenderTarget);
return d->m_outputs;
}
} // namespace Qt3DRender
QT_END_NAMESPACE
#include "moc_qrendertarget.cpp"
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