QuadViewportFrameGraph.qml Example File

multiviewport/QuadViewportFrameGraph.qml
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 import Qt3D.Core 2.0
 import Qt3D.Render 2.0

 RenderSettings {
     id: quadViewportFrameGraph

     property alias topLeftCamera: cameraSelectorTopLeftViewport.camera;
     property alias topRightCamera: cameraSelectorTopRightViewport.camera;
     property alias bottomLeftCamera: cameraSelectorBottomLeftViewport.camera;
     property alias bottomRightCamera: cameraSelectorBottomRightViewport.camera;
     property alias window: surfaceSelector.surface

     activeFrameGraph: RenderSurfaceSelector {
         id: surfaceSelector

         Viewport {
             id: mainViewport
             normalizedRect: Qt.rect(0, 0, 1, 1)

             ClearBuffers {
                 buffers: ClearBuffers.ColorDepthBuffer
                 clearColor: Qt.rgba(0.6, 0.6, 0.6, 1.0)
             }

             Viewport {
                 id: topLeftViewport
                 normalizedRect: Qt.rect(0, 0, 0.5, 0.5)
                 CameraSelector { id: cameraSelectorTopLeftViewport }
             }

             Viewport {
                 id: topRightViewport
                 normalizedRect: Qt.rect(0.5, 0, 0.5, 0.5)
                 CameraSelector { id: cameraSelectorTopRightViewport }
             }

             Viewport {
                 id: bottomLeftViewport
                 normalizedRect: Qt.rect(0, 0.5, 0.5, 0.5)
                 CameraSelector { id: cameraSelectorBottomLeftViewport }
             }

             Viewport {
                 id: bottomRightViewport
                 normalizedRect: Qt.rect(0.5, 0.5, 0.5, 0.5)
                 CameraSelector { id: cameraSelectorBottomRightViewport }
             }
         }
     }
 }