- Qt 5.5
- Qt3D Module
- Qt3D: Playground QML Example
- MyForwardRenderer.qml Example File
- Qt 5.5.1 Reference Documentation

# MyForwardRenderer.qml Example File

playground-qml/MyForwardRenderer.qml

    /****************************************************************************
    **
    ** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
    ** Contact: http://www.qt-project.org/legal
    **
    ** This file is part of the Qt3D module of the Qt Toolkit.
    **
    ** $QT_BEGIN_LICENSE:LGPL3$
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    ** GNU Lesser General Public License Usage
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    ** General Public License version 3 as published by the Free Software
    ** Foundation and appearing in the file LICENSE.LGPLv3 included in the
    ** packaging of this file. Please review the following information to
    ** ensure the GNU Lesser General Public License version 3 requirements
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    ** GNU General Public License Usage
    ** Alternatively, this file may be used under the terms of the GNU
    ** General Public License version 2.0 or later as published by the Free
    ** Software Foundation and appearing in the file LICENSE.GPL included in
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    import Qt3D 2.0
    import Qt3D.Renderer 2.0

    TechniqueFilter {
        id: root

        objectName : "techniqueFilter"

        // Expose the viewport rect and camera. This allows users of this
        // forward rendering framegraph to decide which camera in the
        // scene renders to a given viewport region.
        //
        // Using this as a building block for a larger framegraph would
        // allow a scene to be rendered multiple times to different
        // viewports using different cameras for e.g.
        property alias mainCameraViewport: mainCamera.camera
        property alias detailCameraViewport: detailCamera.camera
        property alias layerFilters: layerFilter.layers
        property alias clearColor: viewport.clearColor

        requires : [
            Annotation { name: "RenderingStyle"; value: "forward";},
            Annotation { name: "Enabled"; value: true;}
        ]

        ClearBuffer {
            buffers: ClearBuffer.ColorDepthBuffer

            // Main Viewport
            Viewport {
                id: viewport
                rect: Qt.rect(0.0, 0, 1.0, 1.0)

                CameraSelector {
                    id : mainCamera

                    LayerFilter {
                        id: layerFilter
                        RenderPassFilter { includes: [
                                Annotation {name : "Name"; value : "Texture"}
                            ] }
                    }
                }
            }
        }

        Viewport {
            id : detailViewport
            rect: Qt.rect(0.75, 0.0, 0.25, 0.25)

            CameraSelector {
                id: detailCamera
                    RenderPassFilter { includes : [Annotation {name : "Name"; value : "ColorMaterial";}] }
            }
        }
    }