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