gbm_create_device
gbm_bo_create
gbm_bo_import
+gbm_bo_map
+gbm_bo_unmap
gbm_bo_get_width
gbm_bo_get_height
gbm_bo_get_stride
gbm_bo_get_device
gbm_bo_get_handle
gbm_bo_get_fd
+gbm_bo_get_plane_count
gbm_bo_write
gbm_bo_set_user_data
gbm_bo_get_user_data