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++ // Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
++
++ #include <Qt3DQuickExtras/qt3dquickwindow.h>
++ #include <QGuiApplication>
++ #include <QOpenGLContext>
++
++ int main(int argc, char* argv[])
++ {
++ QGuiApplication app(argc, argv);
++ Qt3DExtras::Quick::Qt3DQuickWindow view;
++
++ view.setSource(QUrl("qrc:/main.qml"));
++ view.show();
++
++ const bool isES = QOpenGLContext::openGLModuleType() == QOpenGLContext::LibGLES
++ || view.requestedFormat().renderableType() == QSurfaceFormat::OpenGLES;
++ if (!isES)
++ qDebug("Using a non-OpenGL ES context. This may result in no material on the model "
++ "as currently the standard glTF format only includes OpenGL ES 2.0 shaders. "
++ "To overcome this, run the application on OpenGL ES or use the qgltf tool "
++ "with -g to generate a slightly extended glTF asset from the original COLLADA source.");
++
++ return app.exec();
++ }