[inverse cutouts](http://greggman.github.io/WebGPU-DOOM/index-postprocess.html#post=eJytWNtyGzcSfddXnJetzEic4ZCSbF2iVCl2Uusqr62KreQZnOnhYAkCYwAUSaW8tR-xX7hfstUAhqIum6RS8YPFAdDdQPfp7gO0Gmq1FMdZfYE7qo_bHMV3aI-n-BWW_MpqNMZn9SjOZlU5PT8foSpPz17zn8nkJM8v8fVgPMZnownOrGxNFxBwS6EUZmplYVq4mjQFWyXefvz4j28cWmWMHdckldRzeNr4lSUH18nlkixr7MkWvdyQgvCYW3HPC4WeK3KXcGLZB0kr1kExlmJBDr4jdMLXHXxnyXVGNWxL9kEjayu8SWozJ5QvhG6KnvqebF7i-o6smAdDaGkNL3oHtzTGd1F3Q9pJvy0PWh1P9X61FNnqLjhwuufAA0CRR7_BFSblCca4LeVP5IxaeWl0udleHgB3wsLhKoVBvjHK2Cpb3eWlnc9yHGJaVryO1zgcPVuHo2g3Q78pNyPwn20epf-QXPEn5ZK94k_aeyqX0OYwxis-8Vf2rzV-mvXJsyOIC_Zs8HAYwa_BwzWuUBuXifwyfIctSB2-k9poui83OESNAn25xSHcCHGINxyH6gHNHxnM5Bm7vpMavbBCKVKQegHnrVmQGyX11EA43Fzf_PBTock5ZBNcoRc92REqXLE-FhOe8yLIoibtLTHgon6hvSyEksJRAyU1IWuk80LXxHiNy3EXMLhDMlpjfG-l9mjXsvFdDit8Rxa-ExoCp9Xfimblt-wPGsEZSA9LonG84570cJS4RedJNHzkVnjMhG5ciV86Yk3RnuuFdlgaS4OFdJxsSM8xWmHzYZcpcTz10MKv2IVbrCXnEIRuQkKlHaAVDcEbKDnvPDxXk__--z9oLRHef3w7gjasMvhI6nlIwK4X3pPV2Rf7gBIuEA9I2c9FRkrA1Beb1gXs8RRnaR0gUJWT0_PJ6cn5ySV-5994