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+/****************************************************************************
+**
+** Copyright (C) 2017 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** 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
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://www.qt.io/contact-us.
+**
+** 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
+** met: http://www.gnu.org/licenses/gpl-2.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QGuiApplication>
+#include <QAnimationDriver>
+#include <QPropertyAnimation>
+#include <QQmlComponent>
+#include <QQmlEngine>
+
+#include <Qt3DCore/QEntity>
+#include <Qt3DCore/QAspectEngine>
+#include <Qt3DCore/QTransform>
+#include <Qt3DRender/QCamera>
+
+#include <Qt3DInput/QInputAspect>
+
+#include <Qt3DRender/QRenderAspect>
+#include <Qt3DRender/QEffect>
+#include <Qt3DRender/QMaterial>
+#include <Qt3DExtras/QForwardRenderer>
+#include <Qt3DQuickScene2D/QScene2D>
+#include <Qt3DExtras/QPlaneMesh>
+#include <Qt3DRender/QTextureWrapMode>
+#include <Qt3DRender/QClearBuffers>
+#include <Qt3DRender/QTexture>
+
+#include "qt3dwindow.h"
+#include "qfirstpersoncameracontroller.h"
+#include "planematerial.h"
+
+int main(int argc, char *argv[])
+{
+ QGuiApplication app(argc, argv);
+
+ Qt3DExtras::Qt3DWindow view;
+
+ // Scene Root
+ Qt3DCore::QEntity *sceneRoot = new Qt3DCore::QEntity();
+
+ // Scene Camera
+ Qt3DRender::QCamera *basicCamera = view.camera();
+ basicCamera->setProjectionType(Qt3DRender::QCameraLens::PerspectiveProjection);
+ basicCamera->setAspectRatio(view.width() / view.height());
+ basicCamera->setUpVector(QVector3D(0.0f, 1.0f, 0.0f));
+ basicCamera->setPosition(QVector3D(0.0f, 0.0f, 6.0f));
+ basicCamera->setViewCenter(QVector3D(0.0f, 0.0f, 0.0f));
+ basicCamera->setNearPlane(0.1f);
+ basicCamera->setFarPlane(1000.0f);
+ basicCamera->setFieldOfView(45.0f);
+
+ // For camera controls
+ Qt3DExtras::QFirstPersonCameraController *camController = new Qt3DExtras::QFirstPersonCameraController(sceneRoot);
+ camController->setCamera(basicCamera);
+
+ Qt3DRender::QFrameGraphNode* frameGraphNode = view.activeFrameGraph();
+ while (frameGraphNode->childNodes().size() > 0)
+ frameGraphNode = (Qt3DRender::QFrameGraphNode*)frameGraphNode->childNodes().at(0);
+ view.defaultFrameGraph()->setClearColor(QColor::fromRgbF(1.0f, 1.0f, 1.0f));
+ Qt3DRender::Quick::QScene2D *qmlTextureRenderer = new Qt3DRender::Quick::QScene2D(frameGraphNode);
+
+ Qt3DRender::QTexture2D* offscreenTexture = new Qt3DRender::QTexture2D(qmlTextureRenderer);
+ offscreenTexture->setSize(1024, 1024);
+ offscreenTexture->setFormat(Qt3DRender::QAbstractTexture::RGBA8_UNorm);
+ offscreenTexture->setGenerateMipMaps(true);
+ offscreenTexture->setMagnificationFilter(Qt3DRender::QAbstractTexture::Linear);
+ offscreenTexture->setMinificationFilter(Qt3DRender::QAbstractTexture::Linear);
+ offscreenTexture->setWrapMode(Qt3DRender::QTextureWrapMode(Qt3DRender::QTextureWrapMode::ClampToEdge, offscreenTexture));
+
+ Qt3DRender::QRenderTargetOutput *output = new Qt3DRender::QRenderTargetOutput(qmlTextureRenderer);
+ output->setAttachmentPoint(Qt3DRender::QRenderTargetOutput::Color0);
+ output->setTexture(offscreenTexture);
+
+ qmlTextureRenderer->setOutput(output);
+ QQmlEngine engine;
+ QQmlComponent component(&engine, QUrl(QStringLiteral("qrc:/OffscreenGui.qml")));
+ qmlTextureRenderer->setItem(static_cast<QQuickItem *>(component.create()));
+
+ Qt3DCore::QEntity* planeEntity = new Qt3DCore::QEntity(sceneRoot);
+ Qt3DExtras::QPlaneMesh* planeMesh = new Qt3DExtras::QPlaneMesh(planeEntity);
+ planeMesh->setWidth(4);
+ planeMesh->setHeight(4);
+ planeEntity->addComponent(planeMesh);
+
+ PlaneMaterial* material = new PlaneMaterial(offscreenTexture, planeEntity);
+ planeEntity->addComponent(material);
+
+ Qt3DCore::QTransform* transform = new Qt3DCore::QTransform(planeEntity);
+ transform->setRotation(QQuaternion::fromAxisAndAngle(1,0,0,90));
+ planeEntity->addComponent(transform);
+
+ view.setRootEntity(sceneRoot);
+ view.show();
+
+ return app.exec();
+}