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+/****************************************************************************
+**
+** Copyright (C) 2017 Klaralvdalens Datakonsult AB (KDAB).
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the Qt3D module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** BSD License Usage
+** Alternatively, you may use this file under the terms of the BSD license
+** as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+** * Redistributions of source code must retain the above copyright
+** notice, this list of conditions and the following disclaimer.
+** * Redistributions in binary form must reproduce the above copyright
+** notice, this list of conditions and the following disclaimer in
+** the documentation and/or other materials provided with the
+** distribution.
+** * Neither the name of The Qt Company Ltd nor the names of its
+** contributors may be used to endorse or promote products derived
+** from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.2 as QQ2
+import Qt3D.Core 2.0
+import Qt3D.Render 2.10
+import Qt3D.Input 2.0
+import Qt3D.Extras 2.0
+
+Entity {
+ id: sceneRoot
+
+ Camera {
+ id: camera
+ projectionType: CameraLens.PerspectiveProjection
+ fieldOfView: 45
+ aspectRatio: 16/9
+ nearPlane : 0.1
+ farPlane : 1000.0
+ position: Qt.vector3d( 0.0, 0.0, -40.0 )
+ upVector: Qt.vector3d( 0.0, 1.0, 0.0 )
+ viewCenter: Qt.vector3d( 0.0, 0.0, 0.0 )
+ }
+
+ RenderTarget {
+ id: intermediateRenderTarget
+ attachments : [
+ RenderTargetOutput {
+ objectName : "color"
+ attachmentPoint : RenderTargetOutput.Color0
+ texture : Texture2D {
+ id : colorAttachment0
+ width : 1024
+ height : 768
+ format : Texture.R32F
+ generateMipMaps : false
+ magnificationFilter : Texture.Linear
+ minificationFilter : Texture.Linear
+ wrapMode {
+ x: WrapMode.ClampToEdge
+ y: WrapMode.ClampToEdge
+ }
+ }
+ },
+ RenderTargetOutput {
+ objectName : "color"
+ attachmentPoint : RenderTargetOutput.Color1
+ texture : Texture2D {
+ id : colorAttachment1
+ width : 1024
+ height : 1024
+ format : Texture.R32F
+ generateMipMaps : false
+ magnificationFilter : Texture.Linear
+ minificationFilter : Texture.Linear
+ wrapMode {
+ x: WrapMode.ClampToEdge
+ y: WrapMode.ClampToEdge
+ }
+ }
+ }
+ ]
+ }
+
+ components: [
+ RenderSettings {
+ activeFrameGraph: RenderSurfaceSelector {
+ Viewport {
+ RenderTargetSelector {
+ target: intermediateRenderTarget
+ NoDraw {}
+ }
+
+ RenderTargetSelector {
+ target: RenderTarget {
+ id: renderTarget
+ attachments : [
+ RenderTargetOutput {
+ objectName : "color"
+ attachmentPoint : RenderTargetOutput.Color0
+ texture : Texture2D {
+ id : colorAttachment
+ width : 1024
+ height : 768
+ format : Texture.RGBA32F
+ generateMipMaps : false
+ magnificationFilter : Texture.Linear
+ minificationFilter : Texture.Linear
+ wrapMode {
+ x: WrapMode.ClampToEdge
+ y: WrapMode.ClampToEdge
+ }
+ }
+ },
+ RenderTargetOutput {
+ objectName : "depth"
+ attachmentPoint : RenderTargetOutput.Depth
+ texture : Texture2D {
+ id : depthAttachment
+ width : 1024
+ height : 1024
+ format : Texture.D32F
+ generateMipMaps : false
+ magnificationFilter : Texture.Linear
+ minificationFilter : Texture.Linear
+ wrapMode {
+ x: WrapMode.ClampToEdge
+ y: WrapMode.ClampToEdge
+ }
+ }
+ }
+ ]
+ }
+ ClearBuffers {
+ clearColor: "white"
+ buffers: ClearBuffers.ColorDepthBuffer
+ CameraSelector {
+ camera: camera
+ }
+ }
+ }
+
+ NoDraw{
+
+ BlitFramebuffer {
+ source: renderTarget
+ destination: intermediateRenderTarget
+ sourceRect: Qt.rect(0,0,1024,768)
+ destinationRect: Qt.rect(0,0,1024,1024)
+ sourceAttachmentPoint: RenderTargetOutput.Color0
+ destinationAttachmentPoint: RenderTargetOutput.Color0
+ interpolationMethod: BlitFramebuffer.Linear
+ }
+
+ BlitFramebuffer {
+ source: intermediateRenderTarget
+ sourceRect: Qt.rect(0,0,1024,1024)
+ destinationRect: Qt.rect(0,0,512,384)
+ sourceAttachmentPoint: RenderTargetOutput.Color0
+ interpolationMethod: BlitFramebuffer.Linear
+ }
+
+ BlitFramebuffer {
+ source: renderTarget
+ sourceRect: Qt.rect(0,0,1024,768)
+ destinationRect: Qt.rect(0,384,512,384)
+ sourceAttachmentPoint: RenderTargetOutput.Color0
+ interpolationMethod: BlitFramebuffer.Linear
+ }
+
+ BlitFramebuffer {
+ source: renderTarget
+ sourceRect: Qt.rect(128,200,256,256)
+ destinationRect: Qt.rect(512,384,512,384)
+ sourceAttachmentPoint: RenderTargetOutput.Color0
+ interpolationMethod: BlitFramebuffer.Linear
+ }
+
+ BlitFramebuffer {
+ source: renderTarget
+ sourceRect: Qt.rect(128,200,256,256)
+ destinationRect: Qt.rect(512,0,512,384)
+ sourceAttachmentPoint: RenderTargetOutput.Color0
+ interpolationMethod: BlitFramebuffer.Nearest
+ }
+ }
+ }
+ }
+ }
+ ]
+
+ PhongMaterial {
+ id: material
+ }
+
+ TorusMesh {
+ id: torusMesh
+ radius: 5
+ minorRadius: 1
+ rings: 100
+ slices: 20
+ }
+
+ Transform {
+ id: torusTransform
+ scale3D: Qt.vector3d(1.5, 1, 0.5)
+ rotation: fromAxisAndAngle(Qt.vector3d(1, 0, 0), 45)
+ }
+
+ Entity {
+ id: torusEntity
+ components: [ torusMesh, material, torusTransform ]
+ }
+
+ SphereMesh {
+ id: sphereMesh
+ radius: 3
+ }
+
+ Transform {
+ id: sphereTransform
+ property real userAngle: 0.0
+ matrix: {
+ var m = Qt.matrix4x4();
+ m.rotate(userAngle, Qt.vector3d(0, 1, 0));
+ m.translate(Qt.vector3d(20, 0, 0));
+ return m;
+ }
+ }
+
+ QQ2.NumberAnimation {
+ target: sphereTransform
+ property: "userAngle"
+ duration: 10000
+ from: 0
+ to: 360
+
+ loops: QQ2.Animation.Infinite
+ running: true
+ }
+
+ Entity {
+ id: sphereEntity
+ components: [ sphereMesh, material, sphereTransform ]
+ }
+}