.swap_interval = dri2_wl_swap_interval,
.swap_buffers = dri2_wl_swap_buffers,
.swap_buffers_with_damage = dri2_wl_swap_buffers_with_damage,
+ .swap_buffers_region = dri2_fallback_swap_buffers_region,
.copy_buffers = dri2_fallback_copy_buffers,
.query_buffer_age = dri2_wl_query_buffer_age,
};