void qemu_free_displaysurface(DisplaySurface *surface)
{
    if (surface == NULL) {
        return;
    }
    trace_displaysurface_free(surface);
    qemu_pixman_image_unref(surface->image);
    g_free(surface);
}
void qemu_free_displaysurface(DisplaySurface *surface)
{
    if (surface == NULL) {
        return;
    }
    trace_displaysurface_free(surface);
    qemu_pixman_image_unref(surface->image);
    g_free(surface);
}