simple_tri.rs

uniforms {
    projection: [4; fvec4]
}

inputs {
    inpos,
    inclr
}

outputs {
    outpos: position,
    outclr: color
}

fn main() {
    let inpos = fvec4(inpos.xyz, 1.);

    outpos = projection * inpos;
    outclr = inclr;
}