I've verified that if I use the -nowgl option for the X11 server then the opengl visualization is correctly rendered and sized for the containing window.
On Wed, Oct 10, 2018 at 12:15 PM Chris Marshall <devel.chm...@gmail.com> wrote: > Dear Cygwin- > > Using cygwin X11 under windows 10 with a high dpi display (3840x2160) > laptop resulted in far too small font and widgets using -multiwindow for > the XWin option. If I set the windows setting display resolution to > 1920x1080 and following the suggestion for the ~/.Xresources file from > https://stackoverflow.com/questions/42211564/cygwin-xwin-scaling-broken-when-using-windows-scaling-on-high-resolution-displa > I was able keep windows, widgets, and title/menu bars at a reasonable size > for reading. > > However, when I display some OpenGL graphics content (using a FreeGLUT > window), then the visible OpenGL rendered area is about 2/3 the apparent > widget area of the X11 window. If I try the same in a non-multiwindow Xwin > session then the rendered area is correct. This problem is even worse if I > try with the full screen resolution. At the moment I think I have narrowed > it down to the -multiwindow support for OpenGL contexts. > > This is with a couple of versions of the freeglut libraries with no effect > and the current cygwin and cygwin X Server. > > Thanks, > Chris > > > -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
