added missing files

common/opengl_checker.cpp

@@ -0,0 +1,44 @@
+#include "opengl_checker.h"
+
+#include "QsLog.h"
+
+OpenGLChecker::OpenGLChecker()
+{
+
+}
+
+bool OpenGLChecker::hasCompatibleOpenGLVersion()
+{
+    QOpenGLContext * openGLContext = new QOpenGLContext();
+    openGLContext->create();
+
+    if(!openGLContext->isValid())
+        return false;
+
+    QSurfaceFormat format = openGLContext->format();
+
+    int majorVersion = format.majorVersion();
+    int minorVersion = format.minorVersion();
+
+    delete openGLContext;
+
+    QLOG_INFO() << QString("OpenGL version %1.%2").arg(majorVersion).arg(minorVersion);
+
+    if(format.renderableType() != QSurfaceFormat::OpenGL) //Desktop OpenGL
+        return false;
+
+#ifdef Q_OS_WIN //TODO check Qt version, and set this values depending on the use of QOpenGLWidget or QGLWidget
+    int majorTargetVersion = 1;
+    int minorTargetVersion = 5;
+#else
+    int majorTargetVersion = 2;
+    int minorTargetVersion = 1;
+#endif
+
+    if(majorVersion < majorTargetVersion)
+        return false;
+    if(majorVersion == majorTargetVersion && minorVersion < minorTargetVersion)
+        return false;
+
+    return true;
+}

common/opengl_checker.h

@@ -0,0 +1,15 @@
+#ifndef OPENGL_CHECKER_H
+#define OPENGL_CHECKER_H
+
+#include <QOpenGLContext>
+
+class OpenGLChecker
+{
+public:
+    OpenGLChecker();
+    bool hasCompatibleOpenGLVersion();
+private:
+    //??
+};
+
+#endif // OPENGL_CHECKER_H