5a36f4cd9c
Pick-to: 6.5 Change-Id: I652daf3ccbb921c5eb73b48586ee9616c7704b97 Reviewed-by: Christian Strømme <christian.stromme@qt.io>
102 lines
5.5 KiB
C++
102 lines
5.5 KiB
C++
// Copyright (C) 2017 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 <QOffscreenSurface>
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#include <QOpenGLContext>
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#include <QDebug>
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#include <QPair>
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#include "glwindow.h"
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bool OGLSupports(int major, int minor, bool gles = false, QSurfaceFormat::OpenGLContextProfile profile = QSurfaceFormat::NoProfile)
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{
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QOpenGLContext ctx;
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QSurfaceFormat fmt;
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fmt.setVersion(major, minor);
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if (gles) {
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fmt.setRenderableType(QSurfaceFormat::OpenGLES);
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} else {
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fmt.setRenderableType(QSurfaceFormat::OpenGL);
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fmt.setProfile(profile);
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}
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ctx.setFormat(fmt);
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ctx.create();
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if (!ctx.isValid())
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return false;
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int ctxMajor = ctx.format().majorVersion();
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int ctxMinor = ctx.format().minorVersion();
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bool isGles = (ctx.format().renderableType() == QSurfaceFormat::OpenGLES);
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if (isGles != gles) return false;
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if (ctxMajor < major) return false;
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if (ctxMajor == major && ctxMinor < minor)
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return false;
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if (!gles && ctx.format().profile() != profile)
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return false;
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return true;
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}
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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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qDebug() << "Support for GL 2.0 noprof "<<( OGLSupports(2,0,false) ? "yes" : "no");
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qDebug() << "Support for GL 2.0 core "<<( OGLSupports(2,0,false, QSurfaceFormat::CoreProfile) ? "yes" : "no");
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qDebug() << "Support for GL 2.0 compat "<<( OGLSupports(2,0,false, QSurfaceFormat::CompatibilityProfile) ? "yes" : "no");
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qDebug() << "Support for GL 2.1 noprof "<<( OGLSupports(2,1,false) ? "yes" : "no");
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qDebug() << "Support for GL 2.1 core "<<( OGLSupports(2,1,false, QSurfaceFormat::CoreProfile) ? "yes" : "no");
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qDebug() << "Support for GL 2.1 compat "<<( OGLSupports(2,1,false, QSurfaceFormat::CompatibilityProfile) ? "yes" : "no");
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qDebug() << "Support for GL 3.0 noprof "<<( OGLSupports(3,0,false) ? "yes" : "no");
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qDebug() << "Support for GL 3.0 core "<<( OGLSupports(3,0,false, QSurfaceFormat::CoreProfile) ? "yes" : "no");
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qDebug() << "Support for GL 3.0 compat "<<( OGLSupports(3,0,false, QSurfaceFormat::CompatibilityProfile) ? "yes" : "no");
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qDebug() << "Support for GL 3.1 noprof "<<( OGLSupports(3,1,false) ? "yes" : "no");
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qDebug() << "Support for GL 3.1 core "<<( OGLSupports(3,1,false, QSurfaceFormat::CoreProfile) ? "yes" : "no");
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qDebug() << "Support for GL 3.1 compat "<<( OGLSupports(3,1,false, QSurfaceFormat::CompatibilityProfile) ? "yes" : "no");
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qDebug() << "Support for GL 3.2 core "<<( OGLSupports(3,2,false,QSurfaceFormat::CoreProfile) ? "yes" : "no");
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qDebug() << "Support for GL 3.2 compat "<<( OGLSupports(3,2,false,QSurfaceFormat::CompatibilityProfile) ? "yes" : "no");
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qDebug() << "Support for GL 3.3 core "<<( OGLSupports(3,3,false,QSurfaceFormat::CoreProfile) ? "yes" : "no");
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qDebug() << "Support for GL 3.3 compat "<<( OGLSupports(3,3,false,QSurfaceFormat::CompatibilityProfile) ? "yes" : "no");
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qDebug() << "Support for GL 4.0 core "<<( OGLSupports(4,0,false,QSurfaceFormat::CoreProfile) ? "yes" : "no");
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qDebug() << "Support for GL 4.0 compat "<<( OGLSupports(4,0,false,QSurfaceFormat::CompatibilityProfile) ? "yes" : "no");
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qDebug() << "Support for GL 4.1 core "<<( OGLSupports(4,1,false,QSurfaceFormat::CoreProfile) ? "yes" : "no");
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qDebug() << "Support for GL 4.1 compat "<<( OGLSupports(4,1,false,QSurfaceFormat::CompatibilityProfile) ? "yes" : "no");
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qDebug() << "Support for GL 4.2 core "<<( OGLSupports(4,2,false,QSurfaceFormat::CoreProfile) ? "yes" : "no");
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qDebug() << "Support for GL 4.2 compat "<<( OGLSupports(4,2,false,QSurfaceFormat::CompatibilityProfile) ? "yes" : "no");
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qDebug() << "Support for GL 4.3 core "<<( OGLSupports(4,3,false,QSurfaceFormat::CoreProfile) ? "yes" : "no");
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qDebug() << "Support for GL 4.3 compat "<<( OGLSupports(4,3,false,QSurfaceFormat::CompatibilityProfile) ? "yes" : "no");
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qDebug() << "Support for GL 4.4 core "<<( OGLSupports(4,4,false,QSurfaceFormat::CoreProfile) ? "yes" : "no");
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qDebug() << "Support for GL 4.4 compat "<<( OGLSupports(4,4,false,QSurfaceFormat::CompatibilityProfile) ? "yes" : "no");
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qDebug() << "Support for GL 4.5 core "<<( OGLSupports(4,5,false,QSurfaceFormat::CoreProfile) ? "yes" : "no");
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qDebug() << "Support for GL 4.5 compat "<<( OGLSupports(4,5,false,QSurfaceFormat::CompatibilityProfile) ? "yes" : "no");
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qDebug() << "Support for GLES 2.0 "<<( OGLSupports(2,0,true) ? "yes" : "no");
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qDebug() << "Support for GLES 3.0 "<<( OGLSupports(3,0,true) ? "yes" : "no");
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qDebug() << "Support for GLES 3.1 "<<( OGLSupports(3,1,true) ? "yes" : "no");
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qDebug() << "Support for GLES 3.2 "<<( OGLSupports(3,2,true) ? "yes" : "no");
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QSurfaceFormat fmt;
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fmt.setDepthBufferSize(24);
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// Request OpenGL ES 3.1 context, as this is a GLES example. If not available, go for OpenGL 4.3 core.
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if (OGLSupports(3,1,true)) {
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qDebug("Requesting 3.1 GLES context");
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fmt.setVersion(3, 1);
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fmt.setRenderableType(QSurfaceFormat::OpenGLES);
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} else if (OGLSupports(4,3,false,QSurfaceFormat::CoreProfile)) {
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qDebug("Requesting 4.3 core context");
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fmt.setVersion(4, 3);
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fmt.setRenderableType(QSurfaceFormat::OpenGL);
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fmt.setProfile(QSurfaceFormat::CoreProfile);
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} else {
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qWarning("Error: This system does not support OpenGL Compute Shaders! Exiting.");
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return -1;
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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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