if (voutput_info->attach_buffer) {
tbm_surface_h buffer = voutput_info->attach_buffer->buffer;
tbm_surface_internal_unref(buffer);
voutput_info->committing = 0;
voutput_info->attach_buffer = NULL;
if (voutput_info->attach_buffer) {
tbm_surface_h buffer = voutput_info->attach_buffer->buffer;
tbm_surface_internal_unref(buffer);
voutput_info->committing = 0;
voutput_info->attach_buffer = NULL;