Fix incorrect opengl viewport size on Windows if scaling != 100%. To …

…be replaced by proper fix later.

ApplicationExeCode/RiaMain.cpp

@@ -77,6 +77,13 @@ int main( int argc, char* argv[] )
     }
 #endif
 
+#ifdef WIN32
+    // Temporary workaround for incorrect scaling of opengl viewport on windows with dpi scaling != 100%
+    // Reverts scaling behaviour to Qt5 style
+    // Should be replaced by proper scaling of x and y coordinates in caf::Viewer
+    qputenv( "QT_ENABLE_HIGHDPI_SCALING", "0" );
+#endif
+
     // The Qt::AA_ShareOpenGLContexts setting is needed when we have multiple viz widgets in flight
     // and we have a setup where these widgets belong to different top-level windows, or end up
     // belonging to different top-level windows through re-parenting.