- Qt 5.5
- Qt3D Module
- Qt3D: Shadow Map QML Example
- ShadowMapFrameGraph.qml Example File
- Qt 5.5.1 Reference Documentation

# ShadowMapFrameGraph.qml Example File

shadow-map-qml/ShadowMapFrameGraph.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.
    **
    ** $QT_BEGIN_LICENSE:LGPL3$
    ** Commercial License Usage
    ** Licensees holding valid commercial Qt licenses may use this file in
    ** accordance with the commercial license agreement provided with the
    ** Software or, alternatively, in accordance with the terms contained in
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    **
    ** GNU Lesser General Public License Usage
    ** Alternatively, this file may be used under the terms of the GNU Lesser
    ** 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
    ** will be met: https://www.gnu.org/licenses/lgpl.html.
    **
    ** 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
    ** the packaging of this file. Please review the following information to
    ** ensure the GNU General Public License version 2.0 requirements will be
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    ****************************************************************************/

    import Qt3D 2.0
    import Qt3D.Renderer 2.0
    import QtQuick 2.2 as QQ2

    FrameGraph {
        id: root

        property alias viewCamera: viewCameraSelector.camera
        property alias lightCamera: lightCameraSelector.camera
        readonly property Texture2D shadowTexture: depthTexture

        activeFrameGraph: Viewport {
            rect: Qt.rect(0.0, 0.0, 1.0, 1.0)
            clearColor: Qt.rgba(0.0, 0.4, 0.7, 1.0)

            RenderPassFilter {
                includes: [ Annotation { name: "pass"; value: "shadowmap" } ]

                RenderTargetSelector {
                    target: RenderTarget {
                        attachments: [
                            RenderAttachment {
                                name: "depth"
                                type: RenderAttachment.DepthAttachment
                                texture: Texture2D {
                                    id: depthTexture
                                    width: 1024
                                    height: 1024
                                    format: Texture.DepthFormat
                                    generateMipMaps: false
                                    magnificationFilter: Texture.Linear
                                    minificationFilter: Texture.Linear
                                    wrapMode {
                                        x: WrapMode.ClampToEdge
                                        y: WrapMode.ClampToEdge
                                    }
                                    comparisonFunction: Texture.CompareLessEqual
                                    comparisonMode: Texture.CompareRefToTexture
                                }
                            }
                        ]
                    }

                    ClearBuffer {
                        buffers: ClearBuffer.DepthBuffer

                        CameraSelector {
                            id: lightCameraSelector
                        }
                    }
                }
            }

            RenderPassFilter {
                includes: [ Annotation { name: "pass"; value: "forward" } ]

                ClearBuffer {
                    buffers: ClearBuffer.ColorDepthBuffer

                    CameraSelector {
                        id: viewCameraSelector
                    }
                }
            }
        }
    }