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override mesa openGL versions #319

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override mesa openGL versions #319

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16 changes: 16 additions & 0 deletions openhantek/src/main.cpp
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
// SPDX-License-Identifier: GPL-2.0+

#include <QtGlobal>
#include <QApplication>
#include <QCommandLineParser>
#include <QDebug>
Expand Down Expand Up @@ -92,19 +93,34 @@ int main(int argc, char *argv[]) {
#endif

bool useGles = false;
bool forceSl150 = false;
{
QCoreApplication parserApp(argc, argv);
QCommandLineParser p;
p.addHelpOption();
p.addVersionOption();

QCommandLineOption useGlesOption("useGLES", QCoreApplication::tr("Use OpenGL ES instead of OpenGL"));
p.addOption(useGlesOption);

QCommandLineOption forceSl150Option("forceSL150", QCoreApplication::tr("Force OpenGL Shader Language version 1.50"));
p.addOption(forceSl150Option);

p.process(parserApp);
useGles = p.isSet(useGlesOption);
forceSl150 = p.isSet(forceSl150Option);
}

GlScope::fixOpenGLversion(useGles ? QSurfaceFormat::OpenGLES : QSurfaceFormat::OpenGL);

if (forceSl150) {
// set environment variables for Qt
qputenv("MESA_GL_VERSION_OVERRIDE", "3.2");
qputenv("MESA_GLSL_VERSION_OVERRIDE", "150");
qDebug() << "MESA_GL_VERSION_OVERRIDE =" << qgetenv("MESA_GL_VERSION_OVERRIDE").constData();
qDebug() << "MESA_GLSL_VERSION_OVERRIDE =" << qgetenv("MESA_GLSL_VERSION_OVERRIDE").constData();
}

QApplication openHantekApplication(argc, argv);

//////// Load translations ////////
Expand Down