| 1 | // Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB). |
|---|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
| 3 | |
| 4 | #include "qrendertargetselector.h" |
| 5 | #include "qrendertargetselector_p.h" |
| 6 | #include <Qt3DRender/qrendertarget.h> |
| 7 | #include <Qt3DRender/private/qrenderpass_p.h> |
| 8 | |
| 9 | QT_BEGIN_NAMESPACE |
| 10 | |
| 11 | |
| 12 | namespace Qt3DRender { |
| 13 | using namespace Qt3DCore; |
| 14 | |
| 15 | /*! |
| 16 | \class Qt3DRender::QRenderTargetSelector |
| 17 | \inmodule Qt3DRender |
| 18 | \since 5.7 |
| 19 | \brief Provides a way of specifying a render target. |
| 20 | |
| 21 | A Qt3DRender::QRenderTargetSelector is used to select active Qt3DRender::QRenderTarget |
| 22 | for the FrameGraph. When QRenderTargetSelector is present in the FrameGraph, |
| 23 | the rendering is directed into QTexture objects or draw buffers instead of the surface |
| 24 | specified in the Qt3DRender::QRenderSurfaceSelector. |
| 25 | */ |
| 26 | |
| 27 | /*! |
| 28 | \qmltype RenderTargetSelector |
| 29 | \inqmlmodule Qt3D.Render |
| 30 | \since 5.7 |
| 31 | \nativetype Qt3DRender::QRenderTargetSelector |
| 32 | \inherits FrameGraphNode |
| 33 | \brief Provides a way of specifying a render target. |
| 34 | |
| 35 | A RenderTargetSelector is used to select active RenderTarget |
| 36 | for the FrameGraph. When RenderTargetSelector is present in the FrameGraph, |
| 37 | the rendering is directed into Texture objects or draw buffers instead of the surface |
| 38 | specified in the RenderSurfaceSelector. |
| 39 | */ |
| 40 | |
| 41 | QRenderTargetSelectorPrivate::QRenderTargetSelectorPrivate() |
| 42 | : QFrameGraphNodePrivate() |
| 43 | , m_target(nullptr) |
| 44 | { |
| 45 | } |
| 46 | |
| 47 | /*! |
| 48 | Constructs QRenderTargetSelector with given \a parent. |
| 49 | */ |
| 50 | QRenderTargetSelector::QRenderTargetSelector(QNode *parent) |
| 51 | : QFrameGraphNode(*new QRenderTargetSelectorPrivate, parent) |
| 52 | { |
| 53 | } |
| 54 | |
| 55 | /*! \internal */ |
| 56 | QRenderTargetSelector::~QRenderTargetSelector() |
| 57 | { |
| 58 | } |
| 59 | |
| 60 | /*! |
| 61 | \property Qt3DRender::QRenderTargetSelector::target |
| 62 | Holds the current render target |
| 63 | */ |
| 64 | |
| 65 | /*! \qmlproperty RenderTarget Qt3D.Render::RenderTargetSelector::target |
| 66 | |
| 67 | Holds the current render target |
| 68 | */ |
| 69 | void QRenderTargetSelector::setTarget(QRenderTarget *target) |
| 70 | { |
| 71 | Q_D(QRenderTargetSelector); |
| 72 | if (d->m_target != target) { |
| 73 | |
| 74 | if (d->m_target) |
| 75 | d->unregisterDestructionHelper(node: d->m_target); |
| 76 | |
| 77 | // For inline declaration cases |
| 78 | if (target != nullptr && !target->parent()) |
| 79 | target->setParent(this); |
| 80 | |
| 81 | d->m_target = target; |
| 82 | |
| 83 | if (d->m_target) |
| 84 | d->registerDestructionHelper(node: d->m_target, func: &QRenderTargetSelector::setTarget, d->m_target); |
| 85 | |
| 86 | emit targetChanged(target); |
| 87 | } |
| 88 | } |
| 89 | |
| 90 | QRenderTarget *QRenderTargetSelector::target() const |
| 91 | { |
| 92 | Q_D(const QRenderTargetSelector); |
| 93 | return d->m_target; |
| 94 | } |
| 95 | |
| 96 | /*! \internal */ |
| 97 | QRenderTargetSelector::QRenderTargetSelector(QRenderTargetSelectorPrivate &dd, QNode *parent) |
| 98 | : QFrameGraphNode(dd, parent) |
| 99 | { |
| 100 | } |
| 101 | |
| 102 | } // namespace Qt3DRender |
| 103 | |
| 104 | QT_END_NAMESPACE |
| 105 | |
| 106 | #include "moc_qrendertargetselector.cpp" |
| 107 |