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<td >Qt 5.12</td><td ><a href="qt3d-index.html">Qt 3D</a></td><td ><a href="qt3d-cpp.html">C++ Classes</a></td><td >QForwardRenderer</td></tr></table><table class="buildversion"><tr>
<td id="buildversion" width="100%" align="right"><a href="qt3d-index.html">Qt 5.12.2 Reference Documentation</a></td>
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<h3><a name="toc">Contents</a></h3>
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<li class="level1"><a href="#properties">Properties</a></li>
<li class="level1"><a href="#public-functions">Public Functions</a></li>
<li class="level1"><a href="#public-slots">Public Slots</a></li>
<li class="level1"><a href="#signals">Signals</a></li>
<li class="level1"><a href="#static-public-members">Static Public Members</a></li>
<li class="level1"><a href="#details">Detailed Description</a></li>
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<h1 class="title">QForwardRenderer Class</h1>
<span class="small-subtitle">(<a href="qt3dextras-qforwardrenderer.html">Qt3DExtras::QForwardRenderer</a>)<br/></span>
<!-- $$$QForwardRenderer-brief -->
<p>The <a href="qt3dextras-qforwardrenderer.html">QForwardRenderer</a> provides a default <a href="qt3drender-framegraph.html">FrameGraph</a> implementation of a forward renderer. <a href="#details">More...</a></p>
<!-- @@@QForwardRenderer -->
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> Header:</td><td class="memItemRight bottomAlign">   <span class="preprocessor">#include &lt;QForwardRenderer&gt;</span>
</td></tr><tr><td class="memItemLeft rightAlign topAlign"> qmake:</td><td class="memItemRight bottomAlign"> QT += 3dextras</td></tr><tr><td class="memItemLeft rightAlign topAlign"> Since:</td><td class="memItemRight bottomAlign">  Qt 5.7</td></tr><tr><td class="memItemLeft rightAlign topAlign"> Instantiated By:</td><td class="memItemRight bottomAlign"> <a href="qml-qt3d-extras-forwardrenderer.html">ForwardRenderer</a></td></tr><tr><td class="memItemLeft rightAlign topAlign"> Inherits:</td><td class="memItemRight bottomAlign"> <a href="qt3drender-qtechniquefilter.html">Qt3DRender::QTechniqueFilter</a></td></tr></table></div><ul>
<li><a href="qt3dextras-qforwardrenderer-members.html">List of all members, including inherited members</a></li>
<li><a href="qt3dextras-qforwardrenderer-obsolete.html">Obsolete members</a></li>
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<a name="properties"></a>
<h2 id="properties">Properties</h2>
<div class="table"><table class="propsummary">
<tr><td class="topAlign"><ul>
<li class="fn"><b><a href="qt3dextras-qforwardrenderer.html#camera-prop">camera</a></b> : Qt3DCore::QEntity*</li>
<li class="fn"><b><a href="qt3dextras-qforwardrenderer.html#clearColor-prop">clearColor</a></b> : QColor</li>
<li class="fn"><b><a href="qt3dextras-qforwardrenderer.html#externalRenderTargetSize-prop">externalRenderTargetSize</a></b> : QSize</li>
<li class="fn"><b><a href="qt3dextras-qforwardrenderer.html#frustumCulling-prop">frustumCulling</a></b> : bool</li>
</ul></td><td class="topAlign"><ul>
<li class="fn"><b><a href="qt3dextras-qforwardrenderer.html#gamma-prop">gamma</a></b> : float</li>
<li class="fn"><b><a href="qt3dextras-qforwardrenderer.html#surface-prop">surface</a></b> : QObject*</li>
<li class="fn"><b><a href="qt3dextras-qforwardrenderer.html#viewportRect-prop">viewportRect</a></b> : QRectF</li>
</ul>
</td></tr>
</table></div>
<ul>
<li class="fn">3 properties inherited from <a href="qt3dcore-qnode.html#properties">Qt3DCore::QNode</a></li>
</ul>
<a name="public-functions"></a>
<h2 id="public-functions">Public Functions</h2>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qt3dextras-qforwardrenderer.html#QForwardRenderer">QForwardRenderer</a></b>(Qt3DCore::QNode *<i>parent</i> = nullptr)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> virtual </td><td class="memItemRight bottomAlign"><b><a href="qt3dextras-qforwardrenderer.html#dtor.QForwardRenderer">~QForwardRenderer</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> Qt3DCore::QEntity *</td><td class="memItemRight bottomAlign"><b><a href="qt3dextras-qforwardrenderer.html#camera-prop">camera</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QColor </td><td class="memItemRight bottomAlign"><b><a href="qt3dextras-qforwardrenderer.html#clearColor-prop">clearColor</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QSize </td><td class="memItemRight bottomAlign"><b><a href="qt3dextras-qforwardrenderer.html#externalRenderTargetSize-prop">externalRenderTargetSize</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> float </td><td class="memItemRight bottomAlign"><b><a href="qt3dextras-qforwardrenderer.html#gamma-prop">gamma</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> bool </td><td class="memItemRight bottomAlign"><b><a href="qt3dextras-qforwardrenderer.html#frustumCulling-prop">isFrustumCullingEnabled</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QObject *</td><td class="memItemRight bottomAlign"><b><a href="qt3dextras-qforwardrenderer.html#surface">surface</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QRectF </td><td class="memItemRight bottomAlign"><b><a href="qt3dextras-qforwardrenderer.html#viewportRect-prop">viewportRect</a></b>() const</td></tr>
</table></div>
<ul>
<li class="fn">6 public functions inherited from <a href="qt3drender-qtechniquefilter.html#public-functions">Qt3DRender::QTechniqueFilter</a></li>
<li class="fn">1 public function inherited from <a href="qt3drender-qframegraphnode.html#public-functions">Qt3DRender::QFrameGraphNode</a></li>
<li class="fn">13 public functions inherited from <a href="qt3dcore-qnode.html#public-functions">Qt3DCore::QNode</a></li>
</ul>
<a name="public-slots"></a>
<h2 id="public-slots">Public Slots</h2>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qt3dextras-qforwardrenderer.html#camera-prop">setCamera</a></b>(Qt3DCore::QEntity *<i>camera</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qt3dextras-qforwardrenderer.html#clearColor-prop">setClearColor</a></b>(const QColor &amp;<i>clearColor</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qt3dextras-qforwardrenderer.html#externalRenderTargetSize-prop">setExternalRenderTargetSize</a></b>(const QSize &amp;<i>size</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qt3dextras-qforwardrenderer.html#frustumCulling-prop">setFrustumCullingEnabled</a></b>(bool <i>enabled</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qt3dextras-qforwardrenderer.html#gamma-prop">setGamma</a></b>(float <i>gamma</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qt3dextras-qforwardrenderer.html#setSurface">setSurface</a></b>(QObject *<i>surface</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qt3dextras-qforwardrenderer.html#viewportRect-prop">setViewportRect</a></b>(const QRectF &amp;<i>viewportRect</i>)</td></tr>
</table></div>
<ul>
<li class="fn">3 public slots inherited from <a href="qt3dcore-qnode.html#public-slots">Qt3DCore::QNode</a></li>
</ul>
<a name="signals"></a>
<h2 id="signals">Signals</h2>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qt3dextras-qforwardrenderer.html#camera-prop">cameraChanged</a></b>(Qt3DCore::QEntity *<i>camera</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qt3dextras-qforwardrenderer.html#clearColor-prop">clearColorChanged</a></b>(const QColor &amp;<i>clearColor</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qt3dextras-qforwardrenderer.html#externalRenderTargetSize-prop">externalRenderTargetSizeChanged</a></b>(const QSize &amp;<i>size</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qt3dextras-qforwardrenderer.html#frustumCulling-prop">frustumCullingEnabledChanged</a></b>(bool <i>enabled</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qt3dextras-qforwardrenderer.html#gamma-prop">gammaChanged</a></b>(float <i>gamma</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qt3dextras-qforwardrenderer.html#surfaceChanged">surfaceChanged</a></b>(QObject *<i>surface</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qt3dextras-qforwardrenderer.html#viewportRect-prop">viewportRectChanged</a></b>(const QRectF &amp;<i>viewportRect</i>)</td></tr>
</table></div>
<ul>
<li class="fn">4 signals inherited from <a href="qt3dcore-qnode.html#signals">Qt3DCore::QNode</a></li>
</ul>
<a name="static-public-members"></a>
<h2 id="static-public-members">Static Public Members</h2>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> const QMetaObject </td><td class="memItemRight bottomAlign"><b><a href="qt3dextras-qforwardrenderer.html#staticMetaObject-var">staticMetaObject</a></b></td></tr>
</table></div>
<h3>Additional Inherited Members</h3>
<ul>
<li class="fn">1 protected function inherited from <a href="qt3drender-qframegraphnode.html#protected-functions">Qt3DRender::QFrameGraphNode</a></li>
<li class="fn">2 protected functions inherited from <a href="qt3dcore-qnode.html#protected-functions">Qt3DCore::QNode</a></li>
</ul>
<a name="details"></a>
<!-- $$$QForwardRenderer-description -->
<div class="descr">
<h2 id="details">Detailed Description</h2>
<p>The <a href="qt3dextras-qforwardrenderer.html">QForwardRenderer</a> provides a default <a href="qt3drender-framegraph.html">FrameGraph</a> implementation of a forward renderer.</p>
<p>Forward rendering is what OpenGL traditionally uses. It renders directly to the backbuffer one object at a time shading each one as it goes.</p>
<p><a href="qt3dextras-qforwardrenderer.html">QForwardRenderer</a> is a single leaf <a href="qt3drender-framegraph.html">FrameGraph</a> tree which contains a <a href="qt3drender-qviewport.html">Qt3DRender::QViewport</a>, a <a href="qt3drender-qcameraselector.html">Qt3DRender::QCameraSelector</a>, and a <a href="qt3drender-qclearbuffers.html">Qt3DRender::QClearBuffers</a>. The <a href="qt3dextras-qforwardrenderer.html">QForwardRenderer</a> has a default requirement filter key whose name is &quot;renderingStyle&quot; and value &quot;forward&quot;. If you need to filter out your techniques, you should do so based on that filter key.</p>
<p>By default the viewport occupies the whole screen and the clear color is white. Frustum culling is also enabled.</p>
</div>
<!-- @@@QForwardRenderer -->
<div class="prop">
<h2>Property Documentation</h2>
<!-- $$$camera-prop$$$camera$$$setCameraQt3DCore::QEntity*$$$cameraChangedQt3DCore::QEntity* -->
<h3 class="fn" id="camera-prop"><a name="camera-prop"></a><span class="name">camera</span> : <span class="type"><a href="qt3dcore-qentity.html">Qt3DCore::QEntity</a></span>*</h3>
<p>Holds the current camera entity used to render the scene.</p>
<p><b>Note: </b>A camera is a QEntity that has a QCameraLens as one of its components.</p><p><b>Access functions:</b></p>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> Qt3DCore::QEntity *</td><td class="memItemRight bottomAlign"><span class="name"><b>camera</b></span>() const</td></tr>
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>setCamera</b></span>(Qt3DCore::QEntity *<i>camera</i>)</td></tr>
</table></div>
<p><b>Notifier signal:</b></p>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>cameraChanged</b></span>(Qt3DCore::QEntity *<i>camera</i>)</td></tr>
</table></div>
<!-- @@@camera -->
<!-- $$$clearColor-prop$$$clearColor$$$setClearColorconstQColor&$$$clearColorChangedconstQColor& -->
<h3 class="fn" id="clearColor-prop"><a name="clearColor-prop"></a><span class="name">clearColor</span> : <span class="type">QColor</span></h3>
<p>Holds the current clear color of the scene. The frame buffer is initialized to the clear color before rendering.</p>
<p><b>Access functions:</b></p>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> QColor </td><td class="memItemRight bottomAlign"><span class="name"><b>clearColor</b></span>() const</td></tr>
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>setClearColor</b></span>(const QColor &amp;<i>clearColor</i>)</td></tr>
</table></div>
<p><b>Notifier signal:</b></p>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>clearColorChanged</b></span>(const QColor &amp;<i>clearColor</i>)</td></tr>
</table></div>
<!-- @@@clearColor -->
<!-- $$$externalRenderTargetSize-prop$$$externalRenderTargetSize$$$setExternalRenderTargetSizeconstQSize&$$$externalRenderTargetSizeChangedconstQSize& -->
<h3 class="fn" id="externalRenderTargetSize-prop"><a name="externalRenderTargetSize-prop"></a><span class="name">externalRenderTargetSize</span> : <span class="type">QSize</span></h3>
<p>Contains the size of the external render target. External render targets are relevant when rendering does not target a window surface (as set in <a href="qt3dextras-qforwardrenderer.html#surface">surface()</a>).</p>
<p><b>Access functions:</b></p>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> QSize </td><td class="memItemRight bottomAlign"><span class="name"><b>externalRenderTargetSize</b></span>() const</td></tr>
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>setExternalRenderTargetSize</b></span>(const QSize &amp;<i>size</i>)</td></tr>
</table></div>
<p><b>Notifier signal:</b></p>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>externalRenderTargetSizeChanged</b></span>(const QSize &amp;<i>size</i>)</td></tr>
</table></div>
<!-- @@@externalRenderTargetSize -->
<!-- $$$frustumCulling-prop$$$isFrustumCullingEnabled$$$setFrustumCullingEnabledbool$$$frustumCullingEnabledChangedbool -->
<h3 class="fn" id="frustumCulling-prop"><a name="frustumCulling-prop"></a><span class="name">frustumCulling</span> : <span class="type">bool</span></h3>
<p>Indicates if the renderer applies frustum culling to the scene.</p>
<p><b>Access functions:</b></p>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> bool </td><td class="memItemRight bottomAlign"><span class="name"><b>isFrustumCullingEnabled</b></span>() const</td></tr>
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>setFrustumCullingEnabled</b></span>(bool <i>enabled</i>)</td></tr>
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<p><b>Notifier signal:</b></p>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>frustumCullingEnabledChanged</b></span>(bool <i>enabled</i>)</td></tr>
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<!-- @@@frustumCulling -->
<!-- $$$gamma-prop$$$gamma$$$setGammafloat$$$gammaChangedfloat -->
<h3 class="fn" id="gamma-prop"><a name="gamma-prop"></a><span class="name">gamma</span> : <span class="type">float</span></h3>
<p>Holds the gamma value the renderer applies to the scene.</p>
<p><b>Access functions:</b></p>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> float </td><td class="memItemRight bottomAlign"><span class="name"><b>gamma</b></span>() const</td></tr>
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>setGamma</b></span>(float <i>gamma</i>)</td></tr>
</table></div>
<p><b>Notifier signal:</b></p>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>gammaChanged</b></span>(float <i>gamma</i>)</td></tr>
</table></div>
<!-- @@@gamma -->
<!-- $$$surface-prop$$$surface$$$setSurfaceQObject*$$$surfaceChangedQObject* -->
<h3 class="fn" id="surface-prop"><a name="surface-prop"></a><span class="name">surface</span> : <span class="type">QObject</span>*</h3>
<p>Holds the current render surface.</p>
<p><b>Access functions:</b></p>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> QObject *</td><td class="memItemRight bottomAlign"><span class="name"><b><a href="qt3dextras-qforwardrenderer.html#surface">surface</a></b></span>() const</td></tr>
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b><a href="qt3dextras-qforwardrenderer.html#setSurface">setSurface</a></b></span>(QObject *<i>surface</i>)</td></tr>
</table></div>
<p><b>Notifier signal:</b></p>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b><a href="qt3dextras-qforwardrenderer.html#surfaceChanged">surfaceChanged</a></b></span>(QObject *<i>surface</i>)</td></tr>
</table></div>
<!-- @@@surface -->
<!-- $$$viewportRect-prop$$$viewportRect$$$setViewportRectconstQRectF&$$$viewportRectChangedconstQRectF& -->
<h3 class="fn" id="viewportRect-prop"><a name="viewportRect-prop"></a><span class="name">viewportRect</span> : <span class="type">QRectF</span></h3>
<p>Holds the current normalized viewport rectangle.</p>
<p><b>Access functions:</b></p>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> QRectF </td><td class="memItemRight bottomAlign"><span class="name"><b>viewportRect</b></span>() const</td></tr>
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>setViewportRect</b></span>(const QRectF &amp;<i>viewportRect</i>)</td></tr>
</table></div>
<p><b>Notifier signal:</b></p>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft topAlign rightAlign"> void </td><td class="memItemRight bottomAlign"><span class="name"><b>viewportRectChanged</b></span>(const QRectF &amp;<i>viewportRect</i>)</td></tr>
</table></div>
<!-- @@@viewportRect -->
</div>
<div class="func">
<h2>Member Function Documentation</h2>
<!-- $$$QForwardRenderer[overload1]$$$QForwardRendererQt3DCore::QNode* -->
<h3 class="fn" id="QForwardRenderer"><a name="QForwardRenderer"></a>QForwardRenderer::<span class="name">QForwardRenderer</span>(<span class="type"><a href="qt3dcore-qnode.html">Qt3DCore::QNode</a></span> *<i>parent</i> = nullptr)</h3>
<p>Default constructs an instance of QForwardRenderer.</p><!-- @@@QForwardRenderer -->
<!-- $$$~QForwardRenderer[overload1]$$$~QForwardRenderer -->
<h3 class="fn" id="dtor.QForwardRenderer"><a name="dtor.QForwardRenderer"></a><code>[virtual] </code>QForwardRenderer::<span class="name">~QForwardRenderer</span>()</h3>
<p>Destroys the instance of QForwardRenderer. The destructor is virtual.</p><!-- @@@~QForwardRenderer -->
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