deferredlightshader = [
    numlights = $arg1
    useao = $arg2
    variantshader 0 (? $useao "deferredlightao" "deferredlight") (? (> $numlights 0) 0 -1) [
        void main(void)
        {
            gl_Position = gl_Vertex;
        }
    ] [
        void main(void) { gl_FragColor = vec4(1, 0, 0, 1); }
    ]
]

deferredshadowshader = [
    numlights = $arg1
    shadowtetra = $arg2
    gatherpcf = $arg3
    useao = $arg4
    variantshader 0 (? $useao "deferredshadowao" "deferredshadow") (? (> $numlights 0) (+ (? $shadowtetra 1 0) (? $gatherpcf 2 0)) -1) [
        void main(void)
        {
            gl_Position = gl_Vertex;
        }
    ] [
        void main(void) { gl_FragColor = vec4(1, 0, 0, 1); }
    ]
]