.destroy_surface = dri2_drm_destroy_surface,
.create_image = dri2_drm_create_image_khr,
.swap_buffers = dri2_drm_swap_buffers,
- .post_sub_buffer = dri2_fallback_post_sub_buffer,
.copy_buffers = dri2_fallback_copy_buffers,
.query_buffer_age = dri2_drm_query_buffer_age,
.create_wayland_buffer_from_image = dri2_fallback_create_wayland_buffer_from_image,