Maru

Last time I checked this issue, it seemed OpenGL and Windows DWM(Aero) related problems, but I couldn't find a clear solution. So, in my case, I'm using this code for...

And some references here. https://stackoverflow.com/questions/22259067/opengl-non-exclusive-fullscreen-mode-a-k-a-fullscreen-borderless-window https://stackoverflow.com/questions/23145217/flickering-when-borderless-window-and-desktop-dimensions-are-the-same https://github.com/glfw/glfw/issues/527 https://steamcommunity.com/app/379720/discussions/0/208684375410727726/

Oh, I missed that comment, I was struggling with OpenGL things... It seems the solution works well.