mirror of
https://github.com/YACReader/yacreader
synced 2025-05-25 18:00:46 -04:00
71 lines
1.8 KiB
C++
71 lines
1.8 KiB
C++
#include "opengl_checker.h"
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#include "QsLog.h"
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OpenGLChecker::OpenGLChecker()
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: compatibleOpenGLVersion(true)
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{
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QOpenGLContext *openGLContext = new QOpenGLContext();
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openGLContext->create();
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if (!openGLContext->isValid()) {
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compatibleOpenGLVersion = false;
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description = "unable to create QOpenGLContext";
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}
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QSurfaceFormat format = openGLContext->format();
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int majorVersion = format.majorVersion();
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int minorVersion = format.minorVersion();
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QString type;
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switch (format.renderableType()) {
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case QSurfaceFormat::OpenGL:
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type = "desktop";
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break;
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case QSurfaceFormat::OpenGLES:
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type = "OpenGL ES";
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break;
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case QSurfaceFormat::OpenVG:
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type = "OpenVG";
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break;
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default:
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case QSurfaceFormat::DefaultRenderableType:
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type = "unknown";
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break;
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}
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delete openGLContext;
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description = QString("%1.%2 %3").arg(majorVersion).arg(minorVersion).arg(type);
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if (format.renderableType() != QSurfaceFormat::OpenGL) // Desktop OpenGL
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compatibleOpenGLVersion = false;
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#ifdef Q_OS_WIN // TODO check Qt version, and set this values depending on the use of QOpenGLWidget or QGLWidget
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static const int majorTargetVersion = 1;
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static const int minorTargetVersion = 4;
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#else
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static const int majorTargetVersion = 2;
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static const int minorTargetVersion = 0;
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#endif
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if (majorVersion < majorTargetVersion)
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compatibleOpenGLVersion = false;
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if (majorVersion == majorTargetVersion && minorVersion < minorTargetVersion)
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compatibleOpenGLVersion = false;
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}
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QString OpenGLChecker::textVersionDescription()
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{
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return description;
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}
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bool OpenGLChecker::hasCompatibleOpenGLVersion()
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{
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return compatibleOpenGLVersion;
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}
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