pub fn solid_fill_program(display: &Display) -> Program {
let vertex_shader_src = include_str!("solid.vert");
let fragment_shader_src = include_str!("solid.frag");
pub fn solid_fill_program(display: &Display) -> Program {
let vertex_shader_src = include_str!("solid.vert");
let fragment_shader_src = include_str!("solid.frag");