func showWindow(w *windowImpl) {
w.glctxMu.Lock()
w.glctx, w.worker = gl.NewContext()
w.glctxMu.Unlock()
// Show makes an initial call to sizeEvent (via win32.SizeEvent), where
// we setup the EGL surface and GL context.
win32.Show(syscall.Handle(w.id))
}
func (s *screenImpl) NewWindow(opts *screen.NewWindowOptions) (screen.Window, error) {
w := &windowImpl{}
var err error
w.hwnd, err = win32.NewWindow(opts)
if err != nil {
return nil, err
}
s.mu.Lock()
s.windows[w.hwnd] = w
s.mu.Unlock()
win32.Show(w.hwnd)
return w, nil
}