anchor.diff:  
       export STEAM_RUNTIME=${if nativeOnly then "0" else "/steamrt"}
   
  -    export VK_ICD_FILENAMES=/usr/share/vulkan/icd.d/intel_icd.x86_64.json:/usr/share/vulkan/icd.d/intel_icd.i686.json:/usr/share/vulkan/icd.d/lvp_icd.x86_64.json:/usr/share/vulkan/icd.d/lvp_icd.i686.json:/usr/share/vulkan/icd.d/nvidia_icd.json:/usr/share/vulkan/icd.d/nvidia_icd32.json:/usr/share/vulkan/icd.d/radeon_icd.x86_64.json:/usr/share/vulkan/icd.d/radeon_icd.i686.json
  +    # XDG_DATA_DIRS is used by pressure-vessel and vulkan loaders to find the corresponding icd
  +    export XDG_DATA_DIRS=$XDG_DATA_DIRS''${XDG_DATA_DIRS:+:}/run/opengl-driver/share:/run/opengl-driver-32/share
     '' + extraProfile;
   
     runScript = writeScript "steam-wrapper.sh" ''
  
positive.code:     libvdpau
    ] ++ steamPackages.steam-runtime-wrapped.overridePkgs) ++ extraLibraries pkgs;
  
    extraBuildCommands = ''
      if [ -f $out/usr/share/vulkan/icd.d/nvidia_icd.json ]; then
        cp $out/usr/share/vulkan/icd.d/nvidia_icd{,32}.json
        nvidia32Lib=$(realpath $out/lib32/libGLX_nvidia.so.0 | cut -d'/' -f-4)
        escapedNvidia32Lib="''${nvidia32Lib//\//\\\/}"
        sed -i "s/\/nix\/store\/.*\/lib\/libGLX_nvidia\.so\.0/$escapedNvidia32Lib\/lib\/libGLX_nvidia\.so\.0/g" $out/usr/share/vulkan/icd.d/nvidia_icd32.json
      fi
    '' + (if (!nativeOnly) then ''
      mkdir -p steamrt
      ln -s ../lib/steam-runtime steamrt/${steam-runtime-wrapped.arch}
      ${lib.optionalString (steam-runtime-wrapped-i686 != null) ''
  
negative.code:     ${lib.optionalString (steam-runtime-wrapped-i686 != null) ''
        ln -s /usr/lib32/libbz2.so usr/lib32/libbz2.so.1.0
      ''}
    '';
  
    extraInstallCommands = ''
      mkdir -p $out/share/applications
  