gbm_device_destroy
gbm_create_device
gbm_bo_create
+gbm_bo_create_with_modifiers
gbm_bo_import
gbm_bo_map
gbm_bo_unmap
gbm_bo_get_user_data
gbm_bo_destroy
gbm_surface_create
+gbm_surface_create_with_modifiers
gbm_surface_needs_lock_front_buffer
gbm_surface_lock_front_buffer
gbm_surface_release_buffer