let sdlsys = match sdl2::init() {
            Ok(s) => s,
            Err(e) => return Err(format!("Could not initialize SDL. {}", e))
        };

        let videosys: sdl2::VideoSubsystem = match sdlsys.video() {
            Ok(s) => s,
            Err(e) => return Err(format!("Could not initialize video. {}", e))
        };

        let windowsys: Window = match videosys.window(title, w, h).position_centered().opengl().build() {
            Ok(s) => s,
            Err(e) => return Err(format!("Could not create window. {}", e))
        };

        let attr = videosys.gl_attr();
        attr.set_context_profile(GLProfile::Core);
        attr.set_context_version(3, 3);
        attr.set_double_buffer(true);
        attr.set_context_flags().debug().set();

        let context = match windowsys.gl_create_context() {
            Ok(s) => s,
            Err(e) => return Err(format!("Could not create OpenGL context. {}", e))
        };
        windowsys.gl_make_current(&context);

        gl::load_with(|s| videosys.gl_get_proc_address(s) as *const _);

        let evt = match sdlsys.event_pump() {
            Ok(s) => s,
            Err(e) => return Err(format!("Could not create Event handler. {}", e))
        };

        unsafe {
            println!("GL_VERSION: {}", CStr::from_ptr(gl::GetString(gl::VERSION) as *const i8).to_string_lossy().into_owned());
            println!("GL_VENDOR: {}", CStr::from_ptr(gl::GetString(gl::VENDOR) as *const i8).to_string_lossy().into_owned());
            println!("GL_RENDERER: {}", CStr::from_ptr(gl::GetString(gl::RENDERER) as *const i8).to_string_lossy().into_owned());
        }

        Ok(Display {
            _window: windowsys,
            _evt: evt,
            width: w,
            height: h
        })