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| |
| #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->updateNode(output, "output", Qt3DCore::PropertyValueAdded); |
| } |
| } |
| |
| /*! |
| Removes a chosen output via \a output. |
| */ |
| void QRenderTarget::removeOutput(QRenderTargetOutput *output) |
| { |
| Q_D(QRenderTarget); |
| |
| if (!d->m_outputs.removeOne(output)) |
| return; |
| d->updateNode(output, "output", Qt3DCore::PropertyValueRemoved); |
| // Remove bookkeeping connection |
| d->unregisterDestructionHelper(output); |
| } |
| |
| /*! |
| \return the chosen outputs. |
| */ |
| QVector<QRenderTargetOutput *> QRenderTarget::outputs() const |
| { |
| Q_D(const QRenderTarget); |
| return d->m_outputs; |
| } |
| |
| Qt3DCore::QNodeCreatedChangeBasePtr QRenderTarget::createNodeCreationChange() const |
| { |
| auto creationChange = Qt3DCore::QNodeCreatedChangePtr<QRenderTargetData>::create(this); |
| auto &data = creationChange->data; |
| data.outputIds = qIdsForNodes(outputs()); |
| return creationChange; |
| } |
| |
| } // namespace Qt3DRender |
| |
| QT_END_NAMESPACE |