const VertexSetup &get_vertex_setup() const { return vtx_setup; }
const Buffer *get_index_buffer() const { return ibuf; }
unsigned get_n_vertices() const;
const VertexSetup &get_vertex_setup() const { return vtx_setup; }
const Buffer *get_index_buffer() const { return ibuf; }
unsigned get_n_vertices() const;