fn main() -> Result<(), Box<dyn std::error::Error>> {
let first = pollster::block_on(scena::first_render_gltf_headless(
"tests/assets/gltf/mesh_material_vertex_color_scene.gltf",
320,
240,
))?;
println!("glb_model_viewer roots={}", first.import().roots().len());
Ok(())
}