     sobel-uniforms boa ;
 
 : draw-sobel ( world -- )
-    T{ depth-state { comparison f } } set-gpu-state*
+    T{ depth-state { comparison f } } set-gpu-state
 
     sobel>> {
         { "primitive-mode" [ drop triangle-strip-mode ] }

    [ draw-bunny ] [ draw-sobel ] bi ;

: draw-loading ( world -- )
    T{ depth-state { comparison f } } set-gpu-state*

    loading>> {
        { "primitive-mode" [ drop triangle-strip-mode ] }

    bunny-uniforms boa ;

: draw-bunny ( world -- )
    T{ depth-state { comparison cmp-less } } set-gpu-state
    
    [
        sobel>> framebuffer>> {
