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42 lines
1.3 KiB
C++
42 lines
1.3 KiB
C++
// Copyright (C) 2016 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
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#include <QGuiApplication>
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#include <QSurfaceFormat>
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#include <QOpenGLContext>
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#include "glwindow.h"
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// This example demonstrates easy, cross-platform usage of OpenGL ES 3.0 functions via
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// QOpenGLExtraFunctions in an application that works identically on desktop platforms
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// with OpenGL 3.3 and mobile/embedded devices with OpenGL ES 3.0.
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// The code is always the same, with the exception of two places: (1) the OpenGL context
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// creation has to have a sufficiently high version number for the features that are in
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// use, and (2) the shader code's version directive is different.
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int main(int argc, char *argv[])
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{
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QGuiApplication app(argc, argv);
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QSurfaceFormat fmt;
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fmt.setDepthBufferSize(24);
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// Request OpenGL 3.3 core or OpenGL ES 3.0.
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if (QOpenGLContext::openGLModuleType() == QOpenGLContext::LibGL) {
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qDebug("Requesting 3.3 core context");
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fmt.setVersion(3, 3);
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fmt.setProfile(QSurfaceFormat::CoreProfile);
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} else {
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qDebug("Requesting 3.0 context");
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fmt.setVersion(3, 0);
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}
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QSurfaceFormat::setDefaultFormat(fmt);
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GLWindow glWindow;
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glWindow.showMaximized();
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return app.exec();
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}
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