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osgearthwasm

Version:

osgEarth ported to WebAssembly to run it on the web platform

13,029 lines 401 kB
var createRuntime = (() => {
  var _scriptDir = import.meta.url;
  
  return (
async function(createRuntime = {})  {

// Support for growable heap + pthreads, where the buffer may change, so JS views
// must be updated.
function GROWABLE_HEAP_I8() {
  if (wasmMemory.buffer != HEAP8.buffer) {
    updateMemoryViews();
  }
  return HEAP8;
}
function GROWABLE_HEAP_U8() {
  if (wasmMemory.buffer != HEAP8.buffer) {
    updateMemoryViews();
  }
  return HEAPU8;
}
function GROWABLE_HEAP_I16() {
  if (wasmMemory.buffer != HEAP8.buffer) {
    updateMemoryViews();
  }
  return HEAP16;
}
function GROWABLE_HEAP_U16() {
  if (wasmMemory.buffer != HEAP8.buffer) {
    updateMemoryViews();
  }
  return HEAPU16;
}
function GROWABLE_HEAP_I32() {
  if (wasmMemory.buffer != HEAP8.buffer) {
    updateMemoryViews();
  }
  return HEAP32;
}
function GROWABLE_HEAP_U32() {
  if (wasmMemory.buffer != HEAP8.buffer) {
    updateMemoryViews();
  }
  return HEAPU32;
}
function GROWABLE_HEAP_F32() {
  if (wasmMemory.buffer != HEAP8.buffer) {
    updateMemoryViews();
  }
  return HEAPF32;
}
function GROWABLE_HEAP_F64() {
  if (wasmMemory.buffer != HEAP8.buffer) {
    updateMemoryViews();
  }
  return HEAPF64;
}

var Module = typeof createRuntime != "undefined" ? createRuntime : {};

var readyPromiseResolve, readyPromiseReject;

Module["ready"] = new Promise(function(resolve, reject) {
 readyPromiseResolve = resolve;
 readyPromiseReject = reject;
});

if (!Module.expectedDataFileDownloads) {
 Module.expectedDataFileDownloads = 0;
}

Module.expectedDataFileDownloads++;

(function() {
 if (Module["ENVIRONMENT_IS_PTHREAD"]) return;
 var loadPackage = function(metadata) {
  var PACKAGE_PATH = "";
  if (typeof window === "object") {
   PACKAGE_PATH = window["encodeURIComponent"](window.location.pathname.toString().substring(0, window.location.pathname.toString().lastIndexOf("/")) + "/");
  } else if (typeof process === "undefined" && typeof location !== "undefined") {
   PACKAGE_PATH = encodeURIComponent(location.pathname.toString().substring(0, location.pathname.toString().lastIndexOf("/")) + "/");
  }
  var PACKAGE_NAME = "dist/runtime-multi-release/runtime-osgearth-offscreen.runtime-multi-release.data";
  var REMOTE_PACKAGE_BASE = "runtime-osgearth-offscreen.runtime-multi-release.data";
  if (typeof Module["locateFilePackage"] === "function" && !Module["locateFile"]) {
   Module["locateFile"] = Module["locateFilePackage"];
   err("warning: you defined Module.locateFilePackage, that has been renamed to Module.locateFile (using your locateFilePackage for now)");
  }
  var REMOTE_PACKAGE_NAME = Module["locateFile"] ? Module["locateFile"](REMOTE_PACKAGE_BASE, "") : REMOTE_PACKAGE_BASE;
  var REMOTE_PACKAGE_SIZE = metadata["remote_package_size"];
  function fetchRemotePackage(packageName, packageSize, callback, errback) {
   if (typeof process === "object" && typeof process.versions === "object" && typeof process.versions.node === "string") {
    require("fs").readFile(packageName, function(err, contents) {
     if (err) {
      errback(err);
     } else {
      callback(contents.buffer);
     }
    });
    return;
   }
   var xhr = new XMLHttpRequest();
   xhr.open("GET", packageName, true);
   xhr.responseType = "arraybuffer";
   xhr.onprogress = function(event) {
    var url = packageName;
    var size = packageSize;
    if (event.total) size = event.total;
    if (event.loaded) {
     if (!xhr.addedTotal) {
      xhr.addedTotal = true;
      if (!Module.dataFileDownloads) Module.dataFileDownloads = {};
      Module.dataFileDownloads[url] = {
       loaded: event.loaded,
       total: size
      };
     } else {
      Module.dataFileDownloads[url].loaded = event.loaded;
     }
     var total = 0;
     var loaded = 0;
     var num = 0;
     for (var download in Module.dataFileDownloads) {
      var data = Module.dataFileDownloads[download];
      total += data.total;
      loaded += data.loaded;
      num++;
     }
     total = Math.ceil(total * Module.expectedDataFileDownloads / num);
     if (Module["setStatus"]) Module["setStatus"]("Downloading data... (" + loaded + "/" + total + ")");
    } else if (!Module.dataFileDownloads) {
     if (Module["setStatus"]) Module["setStatus"]("Downloading data...");
    }
   };
   xhr.onerror = function(event) {
    throw new Error("NetworkError for: " + packageName);
   };
   xhr.onload = function(event) {
    if (xhr.status == 200 || xhr.status == 304 || xhr.status == 206 || xhr.status == 0 && xhr.response) {
     var packageData = xhr.response;
     callback(packageData);
    } else {
     throw new Error(xhr.statusText + " : " + xhr.responseURL);
    }
   };
   xhr.send(null);
  }
  function handleError(error) {
   console.error("package error:", error);
  }
  var fetchedCallback = null;
  var fetched = Module["getPreloadedPackage"] ? Module["getPreloadedPackage"](REMOTE_PACKAGE_NAME, REMOTE_PACKAGE_SIZE) : null;
  if (!fetched) fetchRemotePackage(REMOTE_PACKAGE_NAME, REMOTE_PACKAGE_SIZE, function(data) {
   if (fetchedCallback) {
    fetchedCallback(data);
    fetchedCallback = null;
   } else {
    fetched = data;
   }
  }, handleError);
  function runWithFS() {
   function assert(check, msg) {
    if (!check) throw msg + new Error().stack;
   }
   Module["FS_createPath"]("/", "assets", true, true);
   Module["FS_createPath"]("/assets", "lib-proj", true, true);
   Module["FS_createPath"]("/assets/lib-proj", "proj", true, true);
   Module["FS_createPath"]("/assets", "module-scene-osg", true, true);
   Module["FS_createPath"]("/assets", "module-scene-osgearth", true, true);
   function DataRequest(start, end, audio) {
    this.start = start;
    this.end = end;
    this.audio = audio;
   }
   DataRequest.prototype = {
    requests: {},
    open: function(mode, name) {
     this.name = name;
     this.requests[name] = this;
     Module["addRunDependency"]("fp " + this.name);
    },
    send: function() {},
    onload: function() {
     var byteArray = this.byteArray.subarray(this.start, this.end);
     this.finish(byteArray);
    },
    finish: function(byteArray) {
     var that = this;
     Module["FS_createDataFile"](this.name, null, byteArray, true, true, true);
     Module["removeRunDependency"]("fp " + that.name);
     this.requests[this.name] = null;
    }
   };
   var files = metadata["files"];
   for (var i = 0; i < files.length; ++i) {
    new DataRequest(files[i]["start"], files[i]["end"], files[i]["audio"] || 0).open("GET", files[i]["filename"]);
   }
   function processPackageData(arrayBuffer) {
    assert(arrayBuffer, "Loading data file failed.");
    assert(arrayBuffer.constructor.name === ArrayBuffer.name, "bad input to processPackageData");
    var byteArray = new Uint8Array(arrayBuffer);
    var curr;
    DataRequest.prototype.byteArray = byteArray;
    var files = metadata["files"];
    for (var i = 0; i < files.length; ++i) {
     DataRequest.prototype.requests[files[i].filename].onload();
    }
    Module["removeRunDependency"]("datafile_dist/runtime-multi-release/runtime-osgearth-offscreen.runtime-multi-release.data");
   }
   Module["addRunDependency"]("datafile_dist/runtime-multi-release/runtime-osgearth-offscreen.runtime-multi-release.data");
   if (!Module.preloadResults) Module.preloadResults = {};
   Module.preloadResults[PACKAGE_NAME] = {
    fromCache: false
   };
   if (fetched) {
    processPackageData(fetched);
    fetched = null;
   } else {
    fetchedCallback = processPackageData;
   }
  }
  if (Module["calledRun"]) {
   runWithFS();
  } else {
   if (!Module["preRun"]) Module["preRun"] = [];
   Module["preRun"].push(runWithFS);
  }
 };
 loadPackage({
  "files": [ {
   "filename": "/assets/lib-proj/proj/CH",
   "start": 0,
   "end": 1097
  }, {
   "filename": "/assets/lib-proj/proj/GL27",
   "start": 1097,
   "end": 1825
  }, {
   "filename": "/assets/lib-proj/proj/ITRF2000",
   "start": 1825,
   "end": 3924
  }, {
   "filename": "/assets/lib-proj/proj/ITRF2008",
   "start": 3924,
   "end": 9604
  }, {
   "filename": "/assets/lib-proj/proj/ITRF2014",
   "start": 9604,
   "end": 13093
  }, {
   "filename": "/assets/lib-proj/proj/deformation_model.schema.json",
   "start": 13093,
   "end": 30764
  }, {
   "filename": "/assets/lib-proj/proj/nad.lst",
   "start": 30764,
   "end": 37149
  }, {
   "filename": "/assets/lib-proj/proj/nad27",
   "start": 37149,
   "end": 56684
  }, {
   "filename": "/assets/lib-proj/proj/nad83",
   "start": 56684,
   "end": 73277
  }, {
   "filename": "/assets/lib-proj/proj/other.extra",
   "start": 73277,
   "end": 77192
  }, {
   "filename": "/assets/lib-proj/proj/proj.db",
   "start": 77192,
   "end": 8355208
  }, {
   "filename": "/assets/lib-proj/proj/proj.ini",
   "start": 8355208,
   "end": 8356258
  }, {
   "filename": "/assets/lib-proj/proj/projjson.schema.json",
   "start": 8356258,
   "end": 8393536
  }, {
   "filename": "/assets/lib-proj/proj/triangulation.schema.json",
   "start": 8393536,
   "end": 8401939
  }, {
   "filename": "/assets/lib-proj/proj/world",
   "start": 8401939,
   "end": 8409018
  }, {
   "filename": "/assets/module-scene-osg/globe.osgt",
   "start": 8409018,
   "end": 8687228
  }, {
   "filename": "/assets/module-scene-osgearth/continents.json",
   "start": 8687228,
   "end": 8729126
  }, {
   "filename": "/assets/module-scene-osgearth/skitourenguru.gpkg",
   "start": 8729126,
   "end": 26047014
  }, {
   "filename": "/assets/module-scene-osgearth/world.tif",
   "start": 26047014,
   "end": 34602898
  } ],
  "remote_package_size": 34602898
 });
})();

var moduleOverrides = Object.assign({}, Module);

var arguments_ = [];

var thisProgram = "./this.program";

var quit_ = (status, toThrow) => {
 throw toThrow;
};

var ENVIRONMENT_IS_WEB = typeof window == "object";

var ENVIRONMENT_IS_WORKER = typeof importScripts == "function";

var ENVIRONMENT_IS_NODE = typeof process == "object" && typeof process.versions == "object" && typeof process.versions.node == "string";

var ENVIRONMENT_IS_SHELL = !ENVIRONMENT_IS_WEB && !ENVIRONMENT_IS_NODE && !ENVIRONMENT_IS_WORKER;

var ENVIRONMENT_IS_PTHREAD = Module["ENVIRONMENT_IS_PTHREAD"] || false;

var scriptDirectory = "";

function locateFile(path) {
 if (Module["locateFile"]) {
  return Module["locateFile"](path, scriptDirectory);
 }
 return scriptDirectory + path;
}

var read_, readAsync, readBinary, setWindowTitle;

function logExceptionOnExit(e) {
 if (e instanceof ExitStatus) return;
 let toLog = e;
 err("exiting due to exception: " + toLog);
}

if (ENVIRONMENT_IS_NODE) {
 const {createRequire: createRequire} = await import("module");
 var require = createRequire(import.meta.url);
 var fs = require("fs");
 var nodePath = require("path");
 if (ENVIRONMENT_IS_WORKER) {
  scriptDirectory = nodePath.dirname(scriptDirectory) + "/";
 } else {
  scriptDirectory = require("url").fileURLToPath(new URL("./", import.meta.url));
 }
 read_ = (filename, binary) => {
  filename = isFileURI(filename) ? new URL(filename) : nodePath.normalize(filename);
  return fs.readFileSync(filename, binary ? undefined : "utf8");
 };
 readBinary = filename => {
  var ret = read_(filename, true);
  if (!ret.buffer) {
   ret = new Uint8Array(ret);
  }
  return ret;
 };
 readAsync = (filename, onload, onerror) => {
  filename = isFileURI(filename) ? new URL(filename) : nodePath.normalize(filename);
  fs.readFile(filename, function(err, data) {
   if (err) onerror(err); else onload(data.buffer);
  });
 };
 if (process["argv"].length > 1) {
  thisProgram = process["argv"][1].replace(/\\/g, "/");
 }
 arguments_ = process["argv"].slice(2);
 process["on"]("uncaughtException", function(ex) {
  if (!(ex instanceof ExitStatus)) {
   throw ex;
  }
 });
 var nodeMajor = process.version.match(/^v(\d+)\./)[1];
 if (nodeMajor < 15) {
  process["on"]("unhandledRejection", function(reason) {
   throw reason;
  });
 }
 quit_ = (status, toThrow) => {
  if (keepRuntimeAlive()) {
   process["exitCode"] = status;
   throw toThrow;
  }
  logExceptionOnExit(toThrow);
  process["exit"](status);
 };
 Module["inspect"] = function() {
  return "[Emscripten Module object]";
 };
 let nodeWorkerThreads;
 try {
  nodeWorkerThreads = require("worker_threads");
 } catch (e) {
  console.error('The "worker_threads" module is not supported in this node.js build - perhaps a newer version is needed?');
  throw e;
 }
 global.Worker = nodeWorkerThreads.Worker;
} else if (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) {
 if (ENVIRONMENT_IS_WORKER) {
  scriptDirectory = self.location.href;
 } else if (typeof document != "undefined" && document.currentScript) {
  scriptDirectory = document.currentScript.src;
 }
 if (_scriptDir) {
  scriptDirectory = _scriptDir;
 }
 if (scriptDirectory.indexOf("blob:") !== 0) {
  scriptDirectory = scriptDirectory.substr(0, scriptDirectory.replace(/[?#].*/, "").lastIndexOf("/") + 1);
 } else {
  scriptDirectory = "";
 }
 if (!ENVIRONMENT_IS_NODE) {
  read_ = url => {
   var xhr = new XMLHttpRequest();
   xhr.open("GET", url, false);
   xhr.send(null);
   return xhr.responseText;
  };
  if (ENVIRONMENT_IS_WORKER) {
   readBinary = url => {
    var xhr = new XMLHttpRequest();
    xhr.open("GET", url, false);
    xhr.responseType = "arraybuffer";
    xhr.send(null);
    return new Uint8Array(xhr.response);
   };
  }
  readAsync = (url, onload, onerror) => {
   var xhr = new XMLHttpRequest();
   xhr.open("GET", url, true);
   xhr.responseType = "arraybuffer";
   xhr.onload = () => {
    if (xhr.status == 200 || xhr.status == 0 && xhr.response) {
     onload(xhr.response);
     return;
    }
    onerror();
   };
   xhr.onerror = onerror;
   xhr.send(null);
  };
 }
 setWindowTitle = title => document.title = title;
} else {}

if (ENVIRONMENT_IS_NODE) {
 if (typeof performance == "undefined") {
  global.performance = require("perf_hooks").performance;
 }
}

var defaultPrint = console.log.bind(console);

var defaultPrintErr = console.warn.bind(console);

if (ENVIRONMENT_IS_NODE) {
 defaultPrint = str => fs.writeSync(1, str + "\n");
 defaultPrintErr = str => fs.writeSync(2, str + "\n");
}

var out = Module["print"] || defaultPrint;

var err = Module["printErr"] || defaultPrintErr;

Object.assign(Module, moduleOverrides);

moduleOverrides = null;

if (Module["arguments"]) arguments_ = Module["arguments"];

if (Module["thisProgram"]) thisProgram = Module["thisProgram"];

if (Module["quit"]) quit_ = Module["quit"];

var wasmBinary;

if (Module["wasmBinary"]) wasmBinary = Module["wasmBinary"];

var noExitRuntime = Module["noExitRuntime"] || true;

if (typeof WebAssembly != "object") {
 abort("no native wasm support detected");
}

var wasmMemory;

var wasmModule;

var ABORT = false;

var EXITSTATUS;

function assert(condition, text) {
 if (!condition) {
  abort(text);
 }
}

var UTF8Decoder = typeof TextDecoder != "undefined" ? new TextDecoder("utf8") : undefined;

function UTF8ArrayToString(heapOrArray, idx, maxBytesToRead) {
 idx >>>= 0;
 var endIdx = idx + maxBytesToRead;
 var endPtr = idx;
 while (heapOrArray[endPtr] && !(endPtr >= endIdx)) ++endPtr;
 if (endPtr - idx > 16 && heapOrArray.buffer && UTF8Decoder) {
  return UTF8Decoder.decode(heapOrArray.buffer instanceof SharedArrayBuffer ? heapOrArray.slice(idx, endPtr) : heapOrArray.subarray(idx, endPtr));
 }
 var str = "";
 while (idx < endPtr) {
  var u0 = heapOrArray[idx++];
  if (!(u0 & 128)) {
   str += String.fromCharCode(u0);
   continue;
  }
  var u1 = heapOrArray[idx++] & 63;
  if ((u0 & 224) == 192) {
   str += String.fromCharCode((u0 & 31) << 6 | u1);
   continue;
  }
  var u2 = heapOrArray[idx++] & 63;
  if ((u0 & 240) == 224) {
   u0 = (u0 & 15) << 12 | u1 << 6 | u2;
  } else {
   u0 = (u0 & 7) << 18 | u1 << 12 | u2 << 6 | heapOrArray[idx++] & 63;
  }
  if (u0 < 65536) {
   str += String.fromCharCode(u0);
  } else {
   var ch = u0 - 65536;
   str += String.fromCharCode(55296 | ch >> 10, 56320 | ch & 1023);
  }
 }
 return str;
}

function UTF8ToString(ptr, maxBytesToRead) {
 ptr >>>= 0;
 return ptr ? UTF8ArrayToString(GROWABLE_HEAP_U8(), ptr, maxBytesToRead) : "";
}

function stringToUTF8Array(str, heap, outIdx, maxBytesToWrite) {
 outIdx >>>= 0;
 if (!(maxBytesToWrite > 0)) return 0;
 var startIdx = outIdx;
 var endIdx = outIdx + maxBytesToWrite - 1;
 for (var i = 0; i < str.length; ++i) {
  var u = str.charCodeAt(i);
  if (u >= 55296 && u <= 57343) {
   var u1 = str.charCodeAt(++i);
   u = 65536 + ((u & 1023) << 10) | u1 & 1023;
  }
  if (u <= 127) {
   if (outIdx >= endIdx) break;
   heap[outIdx++ >>> 0] = u;
  } else if (u <= 2047) {
   if (outIdx + 1 >= endIdx) break;
   heap[outIdx++ >>> 0] = 192 | u >> 6;
   heap[outIdx++ >>> 0] = 128 | u & 63;
  } else if (u <= 65535) {
   if (outIdx + 2 >= endIdx) break;
   heap[outIdx++ >>> 0] = 224 | u >> 12;
   heap[outIdx++ >>> 0] = 128 | u >> 6 & 63;
   heap[outIdx++ >>> 0] = 128 | u & 63;
  } else {
   if (outIdx + 3 >= endIdx) break;
   heap[outIdx++ >>> 0] = 240 | u >> 18;
   heap[outIdx++ >>> 0] = 128 | u >> 12 & 63;
   heap[outIdx++ >>> 0] = 128 | u >> 6 & 63;
   heap[outIdx++ >>> 0] = 128 | u & 63;
  }
 }
 heap[outIdx >>> 0] = 0;
 return outIdx - startIdx;
}

function stringToUTF8(str, outPtr, maxBytesToWrite) {
 return stringToUTF8Array(str, GROWABLE_HEAP_U8(), outPtr, maxBytesToWrite);
}

function lengthBytesUTF8(str) {
 var len = 0;
 for (var i = 0; i < str.length; ++i) {
  var c = str.charCodeAt(i);
  if (c <= 127) {
   len++;
  } else if (c <= 2047) {
   len += 2;
  } else if (c >= 55296 && c <= 57343) {
   len += 4;
   ++i;
  } else {
   len += 3;
  }
 }
 return len;
}

var HEAP, HEAP8, HEAPU8, HEAP16, HEAPU16, HEAP32, HEAPU32, HEAPF32, HEAP64, HEAPU64, HEAPF64;

function updateMemoryViews() {
 var b = wasmMemory.buffer;
 Module["HEAP8"] = HEAP8 = new Int8Array(b);
 Module["HEAP16"] = HEAP16 = new Int16Array(b);
 Module["HEAP32"] = HEAP32 = new Int32Array(b);
 Module["HEAPU8"] = HEAPU8 = new Uint8Array(b);
 Module["HEAPU16"] = HEAPU16 = new Uint16Array(b);
 Module["HEAPU32"] = HEAPU32 = new Uint32Array(b);
 Module["HEAPF32"] = HEAPF32 = new Float32Array(b);
 Module["HEAPF64"] = HEAPF64 = new Float64Array(b);
 Module["HEAP64"] = HEAP64 = new BigInt64Array(b);
 Module["HEAPU64"] = HEAPU64 = new BigUint64Array(b);
}

var INITIAL_MEMORY = Module["INITIAL_MEMORY"] || 2147483648;

assert(INITIAL_MEMORY >= 536870912, "INITIAL_MEMORY should be larger than STACK_SIZE, was " + INITIAL_MEMORY + "! (STACK_SIZE=" + 536870912 + ")");

if (ENVIRONMENT_IS_PTHREAD) {
 wasmMemory = Module["wasmMemory"];
} else {
 if (Module["wasmMemory"]) {
  wasmMemory = Module["wasmMemory"];
 } else {
  wasmMemory = new WebAssembly.Memory({
   "initial": INITIAL_MEMORY / 65536,
   "maximum": 4294967296 / 65536,
   "shared": true
  });
  if (!(wasmMemory.buffer instanceof SharedArrayBuffer)) {
   err("requested a shared WebAssembly.Memory but the returned buffer is not a SharedArrayBuffer, indicating that while the browser has SharedArrayBuffer it does not have WebAssembly threads support - you may need to set a flag");
   if (ENVIRONMENT_IS_NODE) {
    err("(on node you may need: --experimental-wasm-threads --experimental-wasm-bulk-memory and/or recent version)");
   }
   throw Error("bad memory");
  }
 }
}

updateMemoryViews();

INITIAL_MEMORY = wasmMemory.buffer.byteLength;

var wasmTable;

var __ATPRERUN__ = [];

var __ATINIT__ = [];

var __ATEXIT__ = [];

var __ATPOSTRUN__ = [];

var runtimeInitialized = false;

function keepRuntimeAlive() {
 return noExitRuntime;
}

function preRun() {
 if (Module["preRun"]) {
  if (typeof Module["preRun"] == "function") Module["preRun"] = [ Module["preRun"] ];
  while (Module["preRun"].length) {
   addOnPreRun(Module["preRun"].shift());
  }
 }
 callRuntimeCallbacks(__ATPRERUN__);
}

function initRuntime() {
 runtimeInitialized = true;
 if (ENVIRONMENT_IS_PTHREAD) return;
 if (!Module["noFSInit"] && !FS.init.initialized) FS.init();
 FS.ignorePermissions = false;
 TTY.init();
 PIPEFS.root = FS.mount(PIPEFS, {}, null);
 callRuntimeCallbacks(__ATINIT__);
}

function postRun() {
 if (ENVIRONMENT_IS_PTHREAD) return;
 if (Module["postRun"]) {
  if (typeof Module["postRun"] == "function") Module["postRun"] = [ Module["postRun"] ];
  while (Module["postRun"].length) {
   addOnPostRun(Module["postRun"].shift());
  }
 }
 callRuntimeCallbacks(__ATPOSTRUN__);
}

function addOnPreRun(cb) {
 __ATPRERUN__.unshift(cb);
}

function addOnInit(cb) {
 __ATINIT__.unshift(cb);
}

function addOnExit(cb) {}

function addOnPostRun(cb) {
 __ATPOSTRUN__.unshift(cb);
}

var runDependencies = 0;

var runDependencyWatcher = null;

var dependenciesFulfilled = null;

function getUniqueRunDependency(id) {
 return id;
}

function addRunDependency(id) {
 runDependencies++;
 if (Module["monitorRunDependencies"]) {
  Module["monitorRunDependencies"](runDependencies);
 }
}

function removeRunDependency(id) {
 runDependencies--;
 if (Module["monitorRunDependencies"]) {
  Module["monitorRunDependencies"](runDependencies);
 }
 if (runDependencies == 0) {
  if (runDependencyWatcher !== null) {
   clearInterval(runDependencyWatcher);
   runDependencyWatcher = null;
  }
  if (dependenciesFulfilled) {
   var callback = dependenciesFulfilled;
   dependenciesFulfilled = null;
   callback();
  }
 }
}

function abort(what) {
 if (Module["onAbort"]) {
  Module["onAbort"](what);
 }
 what = "Aborted(" + what + ")";
 err(what);
 ABORT = true;
 EXITSTATUS = 1;
 what += ". Build with -sASSERTIONS for more info.";
 ___trap();
}

var dataURIPrefix = "data:application/octet-stream;base64,";

function isDataURI(filename) {
 return filename.startsWith(dataURIPrefix);
}

function isFileURI(filename) {
 return filename.startsWith("file://");
}

var wasmBinaryFile;

if (Module["locateFile"]) {
 wasmBinaryFile = "runtime-osgearth-offscreen.runtime-multi-release.wasm";
 if (!isDataURI(wasmBinaryFile)) {
  wasmBinaryFile = locateFile(wasmBinaryFile);
 }
} else {
 wasmBinaryFile = new URL("runtime-osgearth-offscreen.runtime-multi-release.wasm", import.meta.url).href;
}

function getBinary(file) {
 try {
  if (file == wasmBinaryFile && wasmBinary) {
   return new Uint8Array(wasmBinary);
  }
  if (readBinary) {
   return readBinary(file);
  }
  throw "both async and sync fetching of the wasm failed";
 } catch (err) {
  abort(err);
 }
}

function getBinaryPromise() {
 if (!wasmBinary && (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER)) {
  if (typeof fetch == "function") {
   return fetch(wasmBinaryFile, {
    credentials: "same-origin"
   }).then(function(response) {
    if (!response["ok"]) {
     throw "failed to load wasm binary file at '" + wasmBinaryFile + "'";
    }
    return response["arrayBuffer"]();
   }).catch(function() {
    return getBinary(wasmBinaryFile);
   });
  }
 }
 return Promise.resolve().then(function() {
  return getBinary(wasmBinaryFile);
 });
}

function createWasm() {
 var info = {
  "env": wasmImports,
  "wasi_snapshot_preview1": wasmImports
 };
 function receiveInstance(instance, module) {
  var exports = instance.exports;
  Module["asm"] = exports;
  registerTLSInit(Module["asm"]["_emscripten_tls_init"]);
  wasmTable = Module["asm"]["__indirect_function_table"];
  addOnInit(Module["asm"]["__wasm_call_ctors"]);
  wasmModule = module;
  PThread.loadWasmModuleToAllWorkers(() => removeRunDependency("wasm-instantiate"));
 }
 addRunDependency("wasm-instantiate");
 function receiveInstantiationResult(result) {
  receiveInstance(result["instance"], result["module"]);
 }
 function instantiateArrayBuffer(receiver) {
  return getBinaryPromise().then(function(binary) {
   return WebAssembly.instantiate(binary, info);
  }).then(function(instance) {
   return instance;
  }).then(receiver, function(reason) {
   err("failed to asynchronously prepare wasm: " + reason);
   abort(reason);
  });
 }
 function instantiateAsync() {
  if (!wasmBinary && typeof WebAssembly.instantiateStreaming == "function" && !isDataURI(wasmBinaryFile) && !ENVIRONMENT_IS_NODE && typeof fetch == "function") {
   return fetch(wasmBinaryFile, {
    credentials: "same-origin"
   }).then(function(response) {
    var result = WebAssembly.instantiateStreaming(response, info);
    return result.then(receiveInstantiationResult, function(reason) {
     err("wasm streaming compile failed: " + reason);
     err("falling back to ArrayBuffer instantiation");
     return instantiateArrayBuffer(receiveInstantiationResult);
    });
   });
  } else {
   return instantiateArrayBuffer(receiveInstantiationResult);
  }
 }
 if (Module["instantiateWasm"]) {
  try {
   var exports = Module["instantiateWasm"](info, receiveInstance);
   return exports;
  } catch (e) {
   err("Module.instantiateWasm callback failed with error: " + e);
   readyPromiseReject(e);
  }
 }
 instantiateAsync().catch(readyPromiseReject);
 return {};
}

var tempDouble;

var tempI64;

var ASM_CONSTS = {
 6635408: () => {
  noExitRuntime = true;
 }
};

function ExitStatus(status) {
 this.name = "ExitStatus";
 this.message = "Program terminated with exit(" + status + ")";
 this.status = status;
}

function killThread(pthread_ptr) {
 var worker = PThread.pthreads[pthread_ptr];
 delete PThread.pthreads[pthread_ptr];
 worker.terminate();
 __emscripten_thread_free_data(pthread_ptr);
 PThread.runningWorkers.splice(PThread.runningWorkers.indexOf(worker), 1);
 worker.pthread_ptr = 0;
}

function cancelThread(pthread_ptr) {
 var worker = PThread.pthreads[pthread_ptr];
 worker.postMessage({
  "cmd": "cancel"
 });
}

function cleanupThread(pthread_ptr) {
 var worker = PThread.pthreads[pthread_ptr];
 assert(worker);
 PThread.returnWorkerToPool(worker);
}

function zeroMemory(address, size) {
 GROWABLE_HEAP_U8().fill(0, address, address + size);
 return address;
}

function spawnThread(threadParams) {
 var worker = PThread.getNewWorker();
 if (!worker) {
  return 6;
 }
 PThread.runningWorkers.push(worker);
 PThread.pthreads[threadParams.pthread_ptr] = worker;
 worker.pthread_ptr = threadParams.pthread_ptr;
 var msg = {
  "cmd": "run",
  "start_routine": threadParams.startRoutine,
  "arg": threadParams.arg,
  "pthread_ptr": threadParams.pthread_ptr
 };
 msg.moduleCanvasId = threadParams.moduleCanvasId;
 msg.offscreenCanvases = threadParams.offscreenCanvases;
 if (ENVIRONMENT_IS_NODE) {
  worker.ref();
 }
 worker.postMessage(msg, threadParams.transferList);
 return 0;
}

var PATH = {
 isAbs: path => path.charAt(0) === "/",
 splitPath: filename => {
  var splitPathRe = /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;
  return splitPathRe.exec(filename).slice(1);
 },
 normalizeArray: (parts, allowAboveRoot) => {
  var up = 0;
  for (var i = parts.length - 1; i >= 0; i--) {
   var last = parts[i];
   if (last === ".") {
    parts.splice(i, 1);
   } else if (last === "..") {
    parts.splice(i, 1);
    up++;
   } else if (up) {
    parts.splice(i, 1);
    up--;
   }
  }
  if (allowAboveRoot) {
   for (;up; up--) {
    parts.unshift("..");
   }
  }
  return parts;
 },
 normalize: path => {
  var isAbsolute = PATH.isAbs(path), trailingSlash = path.substr(-1) === "/";
  path = PATH.normalizeArray(path.split("/").filter(p => !!p), !isAbsolute).join("/");
  if (!path && !isAbsolute) {
   path = ".";
  }
  if (path && trailingSlash) {
   path += "/";
  }
  return (isAbsolute ? "/" : "") + path;
 },
 dirname: path => {
  var result = PATH.splitPath(path), root = result[0], dir = result[1];
  if (!root && !dir) {
   return ".";
  }
  if (dir) {
   dir = dir.substr(0, dir.length - 1);
  }
  return root + dir;
 },
 basename: path => {
  if (path === "/") return "/";
  path = PATH.normalize(path);
  path = path.replace(/\/$/, "");
  var lastSlash = path.lastIndexOf("/");
  if (lastSlash === -1) return path;
  return path.substr(lastSlash + 1);
 },
 join: function() {
  var paths = Array.prototype.slice.call(arguments);
  return PATH.normalize(paths.join("/"));
 },
 join2: (l, r) => {
  return PATH.normalize(l + "/" + r);
 }
};

function getRandomDevice() {
 if (typeof crypto == "object" && typeof crypto["getRandomValues"] == "function") {
  var randomBuffer = new Uint8Array(1);
  return () => {
   crypto.getRandomValues(randomBuffer);
   return randomBuffer[0];
  };
 } else if (ENVIRONMENT_IS_NODE) {
  try {
   var crypto_module = require("crypto");
   return () => crypto_module["randomBytes"](1)[0];
  } catch (e) {}
 }
 return () => abort("randomDevice");
}

var PATH_FS = {
 resolve: function() {
  var resolvedPath = "", resolvedAbsolute = false;
  for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) {
   var path = i >= 0 ? arguments[i] : FS.cwd();
   if (typeof path != "string") {
    throw new TypeError("Arguments to path.resolve must be strings");
   } else if (!path) {
    return "";
   }
   resolvedPath = path + "/" + resolvedPath;
   resolvedAbsolute = PATH.isAbs(path);
  }
  resolvedPath = PATH.normalizeArray(resolvedPath.split("/").filter(p => !!p), !resolvedAbsolute).join("/");
  return (resolvedAbsolute ? "/" : "") + resolvedPath || ".";
 },
 relative: (from, to) => {
  from = PATH_FS.resolve(from).substr(1);
  to = PATH_FS.resolve(to).substr(1);
  function trim(arr) {
   var start = 0;
   for (;start < arr.length; start++) {
    if (arr[start] !== "") break;
   }
   var end = arr.length - 1;
   for (;end >= 0; end--) {
    if (arr[end] !== "") break;
   }
   if (start > end) return [];
   return arr.slice(start, end - start + 1);
  }
  var fromParts = trim(from.split("/"));
  var toParts = trim(to.split("/"));
  var length = Math.min(fromParts.length, toParts.length);
  var samePartsLength = length;
  for (var i = 0; i < length; i++) {
   if (fromParts[i] !== toParts[i]) {
    samePartsLength = i;
    break;
   }
  }
  var outputParts = [];
  for (var i = samePartsLength; i < fromParts.length; i++) {
   outputParts.push("..");
  }
  outputParts = outputParts.concat(toParts.slice(samePartsLength));
  return outputParts.join("/");
 }
};

function intArrayFromString(stringy, dontAddNull, length) {
 var len = length > 0 ? length : lengthBytesUTF8(stringy) + 1;
 var u8array = new Array(len);
 var numBytesWritten = stringToUTF8Array(stringy, u8array, 0, u8array.length);
 if (dontAddNull) u8array.length = numBytesWritten;
 return u8array;
}

var TTY = {
 ttys: [],
 init: function() {},
 shutdown: function() {},
 register: function(dev, ops) {
  TTY.ttys[dev] = {
   input: [],
   output: [],
   ops: ops
  };
  FS.registerDevice(dev, TTY.stream_ops);
 },
 stream_ops: {
  open: function(stream) {
   var tty = TTY.ttys[stream.node.rdev];
   if (!tty) {
    throw new FS.ErrnoError(43);
   }
   stream.tty = tty;
   stream.seekable = false;
  },
  close: function(stream) {
   stream.tty.ops.fsync(stream.tty);
  },
  fsync: function(stream) {
   stream.tty.ops.fsync(stream.tty);
  },
  read: function(stream, buffer, offset, length, pos) {
   if (!stream.tty || !stream.tty.ops.get_char) {
    throw new FS.ErrnoError(60);
   }
   var bytesRead = 0;
   for (var i = 0; i < length; i++) {
    var result;
    try {
     result = stream.tty.ops.get_char(stream.tty);
    } catch (e) {
     throw new FS.ErrnoError(29);
    }
    if (result === undefined && bytesRead === 0) {
     throw new FS.ErrnoError(6);
    }
    if (result === null || result === undefined) break;
    bytesRead++;
    buffer[offset + i] = result;
   }
   if (bytesRead) {
    stream.node.timestamp = Date.now();
   }
   return bytesRead;
  },
  write: function(stream, buffer, offset, length, pos) {
   if (!stream.tty || !stream.tty.ops.put_char) {
    throw new FS.ErrnoError(60);
   }
   try {
    for (var i = 0; i < length; i++) {
     stream.tty.ops.put_char(stream.tty, buffer[offset + i]);
    }
   } catch (e) {
    throw new FS.ErrnoError(29);
   }
   if (length) {
    stream.node.timestamp = Date.now();
   }
   return i;
  }
 },
 default_tty_ops: {
  get_char: function(tty) {
   if (!tty.input.length) {
    var result = null;
    if (ENVIRONMENT_IS_NODE) {
     var BUFSIZE = 256;
     var buf = Buffer.alloc(BUFSIZE);
     var bytesRead = 0;
     try {
      bytesRead = fs.readSync(process.stdin.fd, buf, 0, BUFSIZE, -1);
     } catch (e) {
      if (e.toString().includes("EOF")) bytesRead = 0; else throw e;
     }
     if (bytesRead > 0) {
      result = buf.slice(0, bytesRead).toString("utf-8");
     } else {
      result = null;
     }
    } else if (typeof window != "undefined" && typeof window.prompt == "function") {
     result = window.prompt("Input: ");
     if (result !== null) {
      result += "\n";
     }
    } else if (typeof readline == "function") {
     result = readline();
     if (result !== null) {
      result += "\n";
     }
    }
    if (!result) {
     return null;
    }
    tty.input = intArrayFromString(result, true);
   }
   return tty.input.shift();
  },
  put_char: function(tty, val) {
   if (val === null || val === 10) {
    out(UTF8ArrayToString(tty.output, 0));
    tty.output = [];
   } else {
    if (val != 0) tty.output.push(val);
   }
  },
  fsync: function(tty) {
   if (tty.output && tty.output.length > 0) {
    out(UTF8ArrayToString(tty.output, 0));
    tty.output = [];
   }
  }
 },
 default_tty1_ops: {
  put_char: function(tty, val) {
   if (val === null || val === 10) {
    err(UTF8ArrayToString(tty.output, 0));
    tty.output = [];
   } else {
    if (val != 0) tty.output.push(val);
   }
  },
  fsync: function(tty) {
   if (tty.output && tty.output.length > 0) {
    err(UTF8ArrayToString(tty.output, 0));
    tty.output = [];
   }
  }
 }
};

function alignMemory(size, alignment) {
 return Math.ceil(size / alignment) * alignment;
}

function mmapAlloc(size) {
 size = alignMemory(size, 65536);
 var ptr = _emscripten_builtin_memalign(65536, size);
 if (!ptr) return 0;
 return zeroMemory(ptr, size);
}

var MEMFS = {
 ops_table: null,
 mount: function(mount) {
  return MEMFS.createNode(null, "/", 16384 | 511, 0);
 },
 createNode: function(parent, name, mode, dev) {
  if (FS.isBlkdev(mode) || FS.isFIFO(mode)) {
   throw new FS.ErrnoError(63);
  }
  if (!MEMFS.ops_table) {
   MEMFS.ops_table = {
    dir: {
     node: {
      getattr: MEMFS.node_ops.getattr,
      setattr: MEMFS.node_ops.setattr,
      lookup: MEMFS.node_ops.lookup,
      mknod: MEMFS.node_ops.mknod,
      rename: MEMFS.node_ops.rename,
      unlink: MEMFS.node_ops.unlink,
      rmdir: MEMFS.node_ops.rmdir,
      readdir: MEMFS.node_ops.readdir,
      symlink: MEMFS.node_ops.symlink
     },
     stream: {
      llseek: MEMFS.stream_ops.llseek
     }
    },
    file: {
     node: {
      getattr: MEMFS.node_ops.getattr,
      setattr: MEMFS.node_ops.setattr
     },
     stream: {
      llseek: MEMFS.stream_ops.llseek,
      read: MEMFS.stream_ops.read,
      write: MEMFS.stream_ops.write,
      allocate: MEMFS.stream_ops.allocate,
      mmap: MEMFS.stream_ops.mmap,
      msync: MEMFS.stream_ops.msync
     }
    },
    link: {
     node: {
      getattr: MEMFS.node_ops.getattr,
      setattr: MEMFS.node_ops.setattr,
      readlink: MEMFS.node_ops.readlink
     },
     stream: {}
    },
    chrdev: {
     node: {
      getattr: MEMFS.node_ops.getattr,
      setattr: MEMFS.node_ops.setattr
     },
     stream: FS.chrdev_stream_ops
    }
   };
  }
  var node = FS.createNode(parent, name, mode, dev);
  if (FS.isDir(node.mode)) {
   node.node_ops = MEMFS.ops_table.dir.node;
   node.stream_ops = MEMFS.ops_table.dir.stream;
   node.contents = {};
  } else if (FS.isFile(node.mode)) {
   node.node_ops = MEMFS.ops_table.file.node;
   node.stream_ops = MEMFS.ops_table.file.stream;
   node.usedBytes = 0;
   node.contents = null;
  } else if (FS.isLink(node.mode)) {
   node.node_ops = MEMFS.ops_table.link.node;
   node.stream_ops = MEMFS.ops_table.link.stream;
  } else if (FS.isChrdev(node.mode)) {
   node.node_ops = MEMFS.ops_table.chrdev.node;
   node.stream_ops = MEMFS.ops_table.chrdev.stream;
  }
  node.timestamp = Date.now();
  if (parent) {
   parent.contents[name] = node;
   parent.timestamp = node.timestamp;
  }
  return node;
 },
 getFileDataAsTypedArray: function(node) {
  if (!node.contents) return new Uint8Array(0);
  if (node.contents.subarray) return node.contents.subarray(0, node.usedBytes);
  return new Uint8Array(node.contents);
 },
 expandFileStorage: function(node, newCapacity) {
  newCapacity >>>= 0;
  var prevCapacity = node.contents ? node.contents.length : 0;
  if (prevCapacity >= newCapacity) return;
  var CAPACITY_DOUBLING_MAX = 1024 * 1024;
  newCapacity = Math.max(newCapacity, prevCapacity * (prevCapacity < CAPACITY_DOUBLING_MAX ? 2 : 1.125) >>> 0);
  if (prevCapacity != 0) newCapacity = Math.max(newCapacity, 256);
  var oldContents = node.contents;
  node.contents = new Uint8Array(newCapacity);
  if (node.usedBytes > 0) node.contents.set(oldContents.subarray(0, node.usedBytes), 0);
 },
 resizeFileStorage: function(node, newSize) {
  newSize >>>= 0;
  if (node.usedBytes == newSize) return;
  if (newSize == 0) {
   node.contents = null;
   node.usedBytes = 0;
  } else {
   var oldContents = node.contents;
   node.contents = new Uint8Array(newSize);
   if (oldContents) {
    node.contents.set(oldContents.subarray(0, Math.min(newSize, node.usedBytes)));
   }
   node.usedBytes = newSize;
  }
 },
 node_ops: {
  getattr: function(node) {
   var attr = {};
   attr.dev = FS.isChrdev(node.mode) ? node.id : 1;
   attr.ino = node.id;
   attr.mode = node.mode;
   attr.nlink = 1;
   attr.uid = 0;
   attr.gid = 0;
   attr.rdev = node.rdev;
   if (FS.isDir(node.mode)) {
    attr.size = 4096;
   } else if (FS.isFile(node.mode)) {
    attr.size = node.usedBytes;
   } else if (FS.isLink(node.mode)) {
    attr.size = node.link.length;
   } else {
    attr.size = 0;
   }
   attr.atime = new Date(node.timestamp);
   attr.mtime = new Date(node.timestamp);
   attr.ctime = new Date(node.timestamp);
   attr.blksize = 4096;
   attr.blocks = Math.ceil(attr.size / attr.blksize);
   return attr;
  },
  setattr: function(node, attr) {
   if (attr.mode !== undefined) {
    node.mode = attr.mode;
   }
   if (attr.timestamp !== undefined) {
    node.timestamp = attr.timestamp;
   }
   if (attr.size !== undefined) {
    MEMFS.resizeFileStorage(node, attr.size);
   }
  },
  lookup: function(parent, name) {
   throw FS.genericErrors[44];
  },
  mknod: function(parent, name, mode, dev) {
   return MEMFS.createNode(parent, name, mode, dev);
  },
  rename: function(old_node, new_dir, new_name) {
   if (FS.isDir(old_node.mode)) {
    var new_node;
    try {
     new_node = FS.lookupNode(new_dir, new_name);
    } catch (e) {}
    if (new_node) {
     for (var i in new_node.contents) {
      throw new FS.ErrnoError(55);
     }
    }
   }
   delete old_node.parent.contents[old_node.name];
   old_node.parent.timestamp = Date.now();
   old_node.name = new_name;
   new_dir.contents[new_name] = old_node;
   new_dir.timestamp = old_node.parent.timestamp;
   old_node.parent = new_dir;
  },
  unlink: function(parent, name) {
   delete parent.contents[name];
   parent.timestamp = Date.now();
  },
  rmdir: function(parent, name) {
   var node = FS.lookupNode(parent, name);
   for (var i in node.contents) {
    throw new FS.ErrnoError(55);
   }
   delete parent.contents[name];
   parent.timestamp = Date.now();
  },
  readdir: function(node) {
   var entries = [ ".", ".." ];
   for (var key in node.contents) {
    if (!node.contents.hasOwnProperty(key)) {
     continue;
    }
    entries.push(key);
   }
   return entries;
  },
  symlink: function(parent, newname, oldpath) {
   var node = MEMFS.createNode(parent, newname, 511 | 40960, 0);
   node.link = oldpath;
   return node;
  },
  readlink: function(node) {
   if (!FS.isLink(node.mode)) {
    throw new FS.ErrnoError(28);
   }
   return node.link;
  }
 },
 stream_ops: {
  read: function(stream, buffer, offset, length, position) {
   var contents = stream.node.contents;
   if (position >= stream.node.usedBytes) return 0;
   var size = Math.min(stream.node.usedBytes - position, length);
   if (size > 8 && contents.subarray) {
    buffer.set(contents.subarray(position, position + size), offset);
   } else {
    for (var i = 0; i < size; i++) buffer[offset + i] = contents[position + i];
   }
   return size;
  },
  write: function(stream, buffer, offset, length, position, canOwn) {
   if (buffer.buffer === GROWABLE_HEAP_I8().buffer) {
    canOwn = false;
   }
   if (!length) return 0;
   var node = stream.node;
   node.timestamp = Date.now();
   if (buffer.subarray && (!node.contents || node.contents.subarray)) {
    if (canOwn) {
     node.contents = buffer.subarray(offset, offset + length);
     node.usedBytes = length;
     return length;
    } else if (node.usedBytes === 0 && position === 0) {
     node.contents = buffer.slice(offset, offset + length);
     node.usedBytes = length;
     return length;
    } else if (position + length <= node.usedBytes) {
     node.contents.set(buffer.subarray(offset, offset + length), position);
     return length;
    }
   }
   MEMFS.expandFileStorage(node, position + length);
   if (node.contents.subarray && buffer.subarray) {
    node.contents.set(buffer.subarray(offset, offset + length), position);
   } else {
    for (var i = 0; i < length; i++) {
     node.contents[position + i] = buffer[offset + i];
    }
   }
   node.usedBytes = Math.max(node.usedBytes, position + length);
   return length;
  },
  llseek: function(stream, offset, whence) {
   var position = offset;
   if (whence === 1) {
    position += stream.position;
   } else if (whence === 2) {
    if (FS.isFile(stream.node.mode)) {
     position += stream.node.usedBytes;
    }
   }
   if (position < 0) {
    throw new FS.ErrnoError(28);
   }
   return position;
  },
  allocate: function(stream, offset, length) {
   MEMFS.expandFileStorage(stream.node, offset + length);
   stream.node.usedBytes = Math.max(stream.node.usedBytes, offset + length);
  },
  mmap: function(stream, length, position, prot, flags) {
   if (!FS.isFile(stream.node.mode)) {
    throw new FS.ErrnoError(43);
   }
   var ptr;
   var allocated;
   var contents = stream.node.contents;
   if (!(flags & 2) && contents.buffer === GROWABLE_HEAP_I8().buffer) {
    allocated = false;
    ptr = contents.byteOffset;
   } else {
    if (position > 0 || position + length < contents.length) {
     if (contents.subarray) {
      contents = contents.subarray(position, position + length);
     } else {
      contents = Array.prototype.slice.call(contents, position, position + length);
     }
    }
    allocated = true;
    ptr = mmapAlloc(length);
    if (!ptr) {
     throw new FS.ErrnoError(48);
    }
    ptr >>>= 0;
    GROWABLE_HEAP_I8().set(contents, ptr >>> 0);
   }
   return {
    ptr: ptr,
    allocated: allocated
   };
  },
  msync: function(stream, buffer, offset, length, mmapFlags) {
   MEMFS.stream_ops.write(stream, buffer, 0, length, offset, false);
   return 0;
  }
 }
};

function asyncLoad(url, onload, onerror, noRunDep) {
 var dep = !noRunDep ? getUniqueRunDependency("al " + url) : "";
 readAsync(url, arrayBuffer => {
  assert(arrayBuffer, 'Loading data file "' + url + '" failed (no arrayBuffer).');
  onload(new Uint8Array(arrayBuffer));
  if (dep) removeRunDependency(dep);
 }, event => {
  if (onerror) {
   onerror();
  } else {
   throw 'Loading data file "' + url + '" failed.';
  }
 });
 if (dep) addRunDependency(dep);
}

var ERRNO_CODES = {};

var NODEFS = {
 isWindows: false,
 staticInit: () => {
  NODEFS.isWindows = !!process.platform.match(/^win/);
  var flags = process["binding"]("constants");
  if (flags["fs"]) {
   flags = flags["fs"];
  }
  NODEFS.flagsForNodeMap = {
   1024: flags["O_APPEND"],
   64: flags["O_CREAT"],
   128: flags["O_EXCL"],
   256: flags["O_NOCTTY"],
   0: flags["O_RDONLY"],
   2: flags["O_RDWR"],
   4096: flags["O_SYNC"],
   512: flags["O_TRUNC"],
   1: flags["O_WRONLY"],
   131072: flags["O_NOFOLLOW"]
  };
 },
 convertNodeCode: e => {
  var code = e.code;
  return ERRNO_CODES[code];
 },
 mount: mount => {
  return NODEFS.createNode(null, "/", NODEFS.getMode(mount.opts.root), 0);
 },
 createNode: (parent, name, mode, dev) => {
  if (!FS.isDir(mode) && !FS.isFile(mode) && !FS.isLink(mode)) {
   throw new FS.ErrnoError(28);
  }
  var node = FS.createNode(parent, name, mode);
  node.node_ops = NODEFS.node_ops;
  node.stream_ops = NODEFS.stream_ops;
  return node;
 },
 getMode: path => {
  var stat;
  try {
   stat = fs.lstatSync(path);
   if (NODEFS.isWindows) {
    stat.mode = stat.mode | (stat.mode & 292) >> 2;
   }
  } catch (e) {
   if (!e.code) throw e;
   throw new FS.ErrnoError(NODEFS.convertNodeCode(e));
  }
  return stat.mode;
 },
 realPath: node => {
  var parts = [];
  while (node.parent !== node) {
   parts.push(node.name);
   node = node.parent;
  }
  parts.push(node.mount.opts.root);
  parts.reverse();
  return PATH.join.apply(null, parts);
 },
 flagsForNode: flags => {
  flags &= ~2097152;
  flags &= ~2048;
  flags &= ~32768;
  flags &= ~524288;
  flags &= ~65536;
  var newFlags = 0;
  for (var k in NODEFS.flagsForNodeMap) {
   if (flags & k) {
    newFlags |= NODEFS.flagsForNodeMap[k];
    flags ^= k;
   }
  }
  if (flags) {
   throw new FS.ErrnoError(28);
  }
  return newFlags;
 },
 node_ops: {
  getattr: node => {
   var path = NODEFS.realPath(node);
   var stat;
   try {
    stat = fs.lstatSync(path);
   } catch (e) {
    if (!e.code) throw e;
    throw new FS.ErrnoError(NODEFS.convertNodeCode(e));
   }
   if (NODEFS.isWindows && !stat.blksize) {
    stat.blksize = 4096;
   }
   if (NODEFS.isWindows && !stat.blocks) {
    stat.blocks = (stat.size + stat.blksize - 1) / stat.blksize | 0;
   }
   return {
    dev: stat.dev,
    ino: stat.ino,
    mode: stat.mode,
    nlink: stat.nlink,
    uid: stat.uid,
    gid: stat.gid,
    rdev: stat.rdev,
    size: stat.size,
    atime: stat.atime,
    mtime: stat.mtime,
    ctime: stat.ctime,
    blksize: stat.blksize,
    blocks: stat.blocks
   };
  },
  setattr: (node, attr) => {
   var path = NODEFS.realPath(node);
   try {
    if (attr.mode !== undefined) {
     fs.chmodSync(path, attr.mode);
     node.mode = attr.mode;
    }
    if (attr.timestamp !== undefined) {
     var date = new Date(attr.timestamp);
     fs.utimesSync(path, date, date);
    }
    if (attr.size !== undefined) {
     fs.truncateSync(path, attr.size);
    }
   } catch (e) {
    if (!e.code) throw e;
    throw new FS.ErrnoError(NODEFS.convertNodeCode(e));
   }
  },
  lookup: (parent, name) => {
   var path = PATH.join2(NODEFS.realPath(parent), name);
   var mode = NODEFS.getMode(path);
   return NODEFS.createNode(parent, name, mode);
  },
  mknod: (parent, name, mode, dev) => {
   var node = NODEFS.createNode(parent, name, mode, dev);
   var path = NODEFS.realPath(node);
   try {
    if (FS.isDir(node.mode)) {
     fs.mkdirSync(path, node.mode);
    } else {
     fs.writeFileSync(path, "", {
      mode: node.mode
     });
    }
   } catch (e) {
    if (!e.code) throw e;
    throw new FS.ErrnoError(NODEFS.convertNodeCode(e));
   }
   return node;
  },
  rename: (oldNode, newDir, newName) => {
   var oldPath = NODEFS.realPath(oldNode);
   var newPath = PATH.join2(NODEFS.realPath(newDir), newName);
   try {
    fs.renameSync(oldPath, newPath);
   } catch (e) {
    if (!e.code) throw e;
    throw new FS.ErrnoError(NODEFS.convertNodeCode(e));
   }
   oldNode.name = newName;
  },
  unlink: (parent, name) => {
   var path = PATH.join2(NODEFS.realPath(parent), name);
   try {
    fs.unlinkSync(path);
   } catch (e) {
    if (!e.code) throw e;
    throw new FS.ErrnoError(NODEFS.convertNodeCode(e));
   }
  },
  rmdir: (parent, name) => {
   var path = PATH.join2(NODEFS.realPath(parent), name);
   try {
    fs.rmdirSync(path);
   } catch (e) {
    if (!e.code) throw e;
    throw new FS.ErrnoError(NODEFS.convertNodeCode(e));
   }
  },
  readdir: node => {
   var path = NODEFS.realPath(node);
   try {
    return fs.readdirSync(path);
   } catch (e) {
    if (!e.code) throw e;
    throw new FS.ErrnoError(NODEFS.convertNodeCode(e));
   }
  },
  symlink: (parent, newName, oldPath) => {
   var newPath = PATH.join2(NODEFS.realPath(parent), newName);
   try {
    fs.symlinkSync(oldPath, newPath);
   } catch (e) {
    if (!e.code) throw e;
    throw new FS.ErrnoError(NODEFS.convertNodeCode(e));
   }
  },
  readlink: node => {
   var path = NODEFS.realPath(node);
   try {
    path = fs.readlinkSync(path);
    path = nodePath.relative(nodePath.resolve(node.mount.opts.root), path);
    return path;
   } catch (e) {
    if (!e.code) throw e;
    if (e.code === "UNKNOWN") throw new FS.ErrnoError(28);
    throw new FS.ErrnoError(NODEFS.convertNodeCode(e));
   }
  }
 },
 stream_ops: {
  open: stream => {
   var path = NODEFS.realPath(stream.node);
   try {
    if (FS.isFile(stream.node.mode)) {
     stream.nfd = fs.openSync(path, NODEFS.flagsForNode(stream.flags));
    }
   } catch (e) {
    if (!e.code) throw e;
    throw new FS.ErrnoError(NODEFS.convertNodeCode(e));
   }
  },
  close: stream => {
   try {
    if (FS.isFile(stream.node.mode) && stream.nfd) {
     fs.closeSync(stream.nfd);
    }
   } catch (e) {
    if (!e.code) throw e;
    throw new FS.ErrnoError(NODEFS.convertNodeCode(e));
   }
  },
  read: (stream, buffer, offset, length, position) => {
   if (length === 0) return 0;
   try {
    return fs.readSync(stream.nfd, Buffer.from(buffer.buffer), offset, length, position);
   } catch (e) {
    throw new FS.ErrnoError(NODEFS.convertNodeCode(e));
   }
  },
  write: (stream, buffer, offset, length, position) => {
   try {
    return fs.writeSync(stream.nfd, Buffer.from(buffer.buffer), offset, length, position);
   } catch (e) {
    throw new FS.ErrnoError(NODEFS.convertNodeCode(e));
   }
  },
  llseek: (stream, offset, whence) => {
   var position = offset;
   if (whence === 1) {
    position += stream.position;
   } else if (whence === 2) {
    if (FS.isFile(stream.node.mode)) {
     try {
      var stat = fs.fstatSync(stream.nfd);
      position += stat.size;
     } catch (e) {
      throw new FS.ErrnoError(NODEFS.convertNodeCode(e));
     }
    }
   }
   if (position < 0) {
    throw new FS.ErrnoError(28);
   }
   return position;
  },
  mmap: (stream, length, position, prot, flags) => {
   if (!FS.isFile(stream.node.mode)) {
    throw new FS.ErrnoError(43);
   }
   var ptr = mmapAlloc(length);
   NODEFS.stream_ops.read(stream, GROWABLE_HEAP_I8(), ptr, length, position);
   return {
    ptr: ptr,
    allocated: true
   };
  },
  msync: (stream, buffer, offset, length, mmapFlags) => {
   NODEFS.stream_ops.write(stream, buffer, 0, length, offset, false);
   return 0;
  }
 }
};

var FS = {
 root: null,
 mounts: [],
 devices: {},
 streams: [],
 nextInode: 1,
 nameTable: null,
 currentPath: "/",
 initialized: false,
 ignorePermissions: true,
 ErrnoError: null,
 genericErrors: {},
 filesystems: null,
 syncFSRequests: 0,
 lookupPath: (path, opts = {}) => {
  path = PATH_FS.resolve(path);
  if (!path) return {
   path: "",
   node: null
  };
  var defaults = {
   follow_mount: true,
   recurse_count: 0
  };
  opts = Object.assign(defaults, opts);
  if (opts.recurse_count > 8) {
   throw new FS.ErrnoError(32);
  }
  var parts = path.split("/").filter(p => !!p);
  var current = FS.root;
  var current_path = "/";
  for (var i = 0; i < parts.length; i++) {
   var islast = i === parts.length - 1;
   if (islast && opts.parent) {
    break;
   }
   current = FS.lookupNode(current, parts[i]);
   current_path = PATH.join2(current_path, parts[i]);
   if (FS.isMountpoint(current)) {
    if (!islast || islast && opts.follow_mount) {
     current = current.mounted.root;
    }
   }
   if (!islast || opts.follow) {
    var count = 0;
    while (FS.isLink(current.mode)) {
     var link = FS.readlink(current_path);
     current_path = PATH_FS.resolve(PATH.dirname(current_path), link);
     var lookup = FS.lookupPath(current_path, {
      recurse_count: opts.recurse_count + 1
     });
     current = lookup.node;
     if (count++ > 40) {
      throw new FS.ErrnoError(32);
     }
    }
   }
  }
  return {
   path: current_path,
   node: current
  };
 },
 getPath: node => {
  var path;
  while (true) {
   if (FS.isRoot(node)) {
    var mount = node.mount.mountpoint;
    if (!path) return mount;
    return mount[mount.length - 1] !== "/" ? mount + "/" + path : mount + path;
   }
   path = path ? node.name + "/" + path : node.name;
   node = node.parent;
  }
 },
 hashName: (parentid, name) => {
  var hash = 0;
  for (var i = 0; i < name.length; i++) {
   hash = (hash << 5) - hash + name.charCodeAt(i) | 0;
  }
  return (parentid + hash >>> 0) % FS.nameTable.length;
 },
 hashAddNode: node => {
  var hash = FS.hashName(node.parent.id, node.name);
  node.name_next = FS.nameTable[hash];
  FS.nameTable[hash] = node;
 },
 hashRemoveNode: node => {
  var hash = FS.hashName(node.parent.id, node.name);
  if (FS.nameTable[hash] === node) {
   FS.nameTable[hash] = node.name_next;
  } else {
   var current = FS.nameTable[hash];
   while (current) {
    if (current.name_next === node) {
     current.name_next = node.name_next;
     break;
    }
    current = current.name_next;
   }
  }
 },
 lookupNode: (parent, name) => {
  var errCode = FS.mayLookup(parent);
  if (errCode) {
   throw new FS.ErrnoError(errCode, parent);
  }
  var hash = FS.hashName(parent.id, name);
  for (var node = FS.nameTable[hash]; node; node = node.name_next) {
   var nodeName = node.name;
   if (node.parent.id === parent.id && nodeName === name) {
    return node;
   }
  }
  return FS.lookup(parent, name);
 },
 createNode: (parent, name, mode, rdev) => {
  var node = new FS.FSNode(parent, name, mode, rdev);
  FS.hashAddNode(node);
  return node;
 },
 destroyNode: node => {
  FS.hashRemoveNode(node);
 },
 isRoot: node => {
  return node === node.parent;
 },
 isMountpoint: node => {
  return !!node.mounted;
 },
 isFile: mode => {
  return (mode & 61440) === 32768;
 },
 isDir: mode => {
  return (mode & 61440) === 16384;
 },
 isLink: mode => {
  return (mode & 61440) === 40960;
 },
 isChrdev: mode => {
  return (mode & 61440) === 8192;
 },
 isBlkdev: mode => {
  return (mode & 61440) === 24576;
 },
 isFIFO: mode => {
  return (mode & 61440) === 4096;
 },
 isSocket: mode => {
  return (mode & 49152) === 49152;
 },
 flagModes: {
  "r": 0,
  "r+": 2,
  "w": 577,
  "w+": 578,
  "a": 1089,
  "a+": 1090
 },
 modeStringToFlags: str => {
  var flags = FS.flagModes[str];
  if (typeof flags == "undefined") {
   throw new Error("Unknown file open mode: " + str);
  }
  return flags;
 },
 flagsToPermissionString: flag => {
  var perms = [ "r", "w", "rw" ][flag & 3];
  if (flag & 512) {
   perms += "w";
  }
  return perms;
 },
 nodePermissions: (node, perms) => {
  if (FS.ignorePermissions) {
   return 0;
  }
  if (perms.includes("r") && !(node.mode & 292)) {
   return 2;
  } else if (perms.includes("w") && !(node.mode & 146)) {
   return 2;
  } else if (perms.includes("x") && !(node.mode & 73)) {
   return 2;
  }
  return 0;
 },
 mayLookup: dir => {
  var errCode = FS.nodePermissions(dir, "x");
  if (errCode) return errCode;
  if (!dir.node_ops.lookup) return 2;
  return 0;
 },
 mayCreate: (dir, name) => {
  try {
   var node = FS.lookupNode(dir, name);
   return 20;
  } catch (e) {}
  return FS.nodePermissions(dir, "wx");
 },
 mayDelete: (dir, name, isdir) => {
  var node;
  try {
   node = FS.lookupNode(dir, name);
  } catch (e) {
   return e.errno;
  }
  var errCode = FS.nodePermissions(dir, "wx");
  if (errCode) {
   return errCode;
  }
  if (isdir) {
   if (!FS.isDir(node.mode)) {
    return 54;
   }
   if (FS.isRoot(node) || FS.getPath(node) === FS.cwd()) {
    return 10;
   }
  } else {
   if (FS.isDir(node.mode)) {
    return 31;
   }
  }
  return 0;
 },
 mayOpen: (node, flags) => {
  if (!node) {
   return 44;
  }
  if (FS.isLink(node.mode)) {
   return 32;
  } else if (FS.isDir(node.mode)) {
   if (FS.flagsToPermissionString(flags) !== "r" || flags & 512) {
    return 31;
   }
  }
  return FS.nodePermissions(node, FS.flagsToPermissionString(flags));
 },
 MAX_OPEN_FDS: 4096,
 nextfd: (fd_start = 0, fd_end = FS.MAX_OPEN_FDS) => {
  for (var fd = fd_start; fd <= fd_end; fd++) {
   if (!FS.streams[fd]) {
    return fd;
   }
  }
  throw new FS.ErrnoError(33);
 },
 getStream: fd => FS.streams[fd],
 createStream: (stream, fd_start, fd_end) => {
  if (!FS.FSStream) {
   FS.FSStream = function() {
    this.shared = {};
   };
   FS.FSStream.prototype = {};
   Object.defineProperties(FS.FSStream.prototype, {
    object: {
     get: function() {
      return this.node;
     },
     set: function(val) {
      this.node = val;
     }
    },
    isRead: {
     get: function() {
      return (this.flags & 2097155) !== 1;
     }
    },
    isWrite: {
     get: function() {
      return (this.flags & 2097155) !== 0;
     }
    },
    isAppend: {
     get: function() {
      return this.flags & 1024;
     }
    },
    flags: {
     get: function() {
      return this.shared.flags;
     },
     set: function(val) {
      this.shared.flags = val;
     }
    },
    position: {
     get: function() {
      return this.shared.position;
     },
     set: function(val) {
      this.shared.position = val;
     }
    }
   });
  }
  stream = Object.assign(new FS.FSStream(), stream);
  var fd = FS.nextfd(fd_start, fd_end);
  stream.fd = fd;
  FS.streams[fd] = stream;
  return stream;
 },
 closeStream: fd => {
  FS.streams[fd] = null;
 },
 chrdev_stream_ops: {
  open: stream => {
   var device = FS.getDevice(stream.node.rdev);
   stream.stream_ops = device.stream_ops;
   if (stream.stream_ops.open) {
    stream.stream_ops.open(stream);
   }
  },
  llseek: () => {
   throw new FS.ErrnoError(70);
  }
 },
 major: dev => dev >> 8,
 minor: dev => dev & 255,
 makedev: (ma, mi) => ma << 8 | mi,
 registerDevice: (dev, ops) => {
  FS.devices[dev] = {
   stream_ops: ops
  };
 },
 getDevice: dev => FS.devices[dev],
 getMounts: mount => {
  var mounts = [];
  var check = [ mount ];
  while (check.length) {
   var m = check.pop();
   mounts.push(m);
   check.push.apply(check, m.mounts);
  }
  return mounts;
 },
 syncfs: (populate, callback) => {
  if (typeof populate == "function") {
   callback = populate;
   populate = false;
  }
  FS.syncFSRequests++;
  if (FS.syncFSRequests > 1) {
   err("warning: " + FS.syncFSRequests + " FS.syncfs operations in flight at once, probably just doing extra work");
  }
  var mounts = FS.getMounts(FS.root.mount);
  var completed = 0;
  function doCallback(errCode) {
   FS.syncFSRequests--;
   return callback(errCode);
  }
  function done(errCode) {
   if (errCode) {
    if (!done.errored) {
     done.errored = true;
     return doCallback(errCode);
    }
    return;
   }
   if (++completed >= mounts.length) {
    doCallback(null);
   }
  }
  mounts.forEach(mount => {
   if (!mount.type.syncfs) {
    return done(null);
   }
   mount.type.syncfs(mount, populate, done);
  });
 },
 mount: (type, opts, mountpoint) => {
  var root = mountpoint === "/";
  var pseudo = !mountpoint;
  var node;
  if (root && FS.root) {
   throw new FS.ErrnoError(10);
  } else if (!root && !pseudo) {
   var lookup = FS.lookupPath(mountpoint, {
    follow_mount: false
   });
   mountpoint = lookup.path;
   node = lookup.node;
   if (FS.isMountpoint(node)) {
    throw new FS.ErrnoError(10);
   }
   if (!FS.isDir(node.mode)) {
    throw new FS.ErrnoError(54);
   }
  }
  var mount = {
   type: type,
   opts: opts,
   mountpoint: mountpoint,
   mounts: []
  };
  var mountRoot = type.mount(mount);
  mountRoot.mount = mount;
  mount.root = mountRoot;
  if (root) {
   FS.root = mountRoot;
  } else if (node) {
   node.mounted = mount;
   if (node.mount) {
    node.mount.mounts.push(mount);
   }
  }
  return mountRoot;
 },
 unmount: mountpoint => {
  var lookup = FS.lookupPath(mountpoint, {
   follow_mount: false
  });
  if (!FS.isMountpoint(lookup.node)) {
   throw new FS.ErrnoError(28);
  }
  var node = lookup.node;
  var mount = node.mounted;
  var mounts = FS.getMounts(mount);
  Object.keys(FS.nameTable).forEach(hash => {
   var current = FS.nameTable[hash];
   while (current) {
    var next = current.name_next;
    if (mounts.includes(current.mount)) {
     FS.destroyNode(current);
    }
    current = next;
   }
  });
  node.mounted = null;
  var idx = node.mount.mounts.indexOf(mount);
  node.mount.mounts.splice(idx, 1);
 },
 lookup: (parent, name) => {
  return parent.node_ops.lookup(parent, name);
 },
 mknod: (path, mode, dev) => {
  var lookup = FS.lookupPath(path, {
   parent: true
  });
  var parent = lookup.node;
  var name = PATH.basename(path);
  if (!name || name === "." || name === "..") {
   throw new FS.ErrnoError(28);
  }
  var errCode = FS.mayCreate(parent, name);
  if (errCode) {
   throw new FS.ErrnoError(errCode);
  }
  if (!parent.node_ops.mknod) {
   throw new FS.ErrnoError(63);
  }
  return parent.node_ops.mknod(parent, name, mode, dev);
 },
 create: (path, mode) => {
  mode = mode !== undefined ? mode : 438;
  mode &= 4095;
  mode |= 32768;
  return FS.mknod(path, mode, 0);
 },
 mkdir: (path, mode) => {
  mode = mode !== undefined ? mode : 511;
  mode &= 511 | 512;
  mode |= 16384;
  return FS.mknod(path, mode, 0);
 },
 mkdirTree: (path, mode) => {
  var dirs = path.split("/");
  var d = "";
  for (var i = 0; i < dirs.length; ++i) {
   if (!dirs[i]) continue;
   d += "/" + dirs[i];
   try {
    FS.mkdir(d, mode);
   } catch (e) {
    if (e.errno != 20) throw e;
   }
  }
 },
 mkdev: (path, mode, dev) => {
  if (typeof dev == "undefined") {
   dev = mode;
   mode = 438;
  }
  mode |= 8192;
  return FS.mknod(path, mode, dev);
 },
 symlink: (oldpath, newpath) => {
  if (!PATH_FS.resolve(oldpath)) {
   throw new FS.ErrnoError(44);
  }
  var lookup = FS.lookupPath(newpath, {
   parent: true
  });
  var parent = lookup.node;
  if (!parent) {
   throw new FS.ErrnoError(44);
  }
  var newname = PATH.basename(newpath);
  var errCode = FS.mayCreate(parent, newname);
  if (errCode) {
   throw new FS.ErrnoError(errCode);
  }
  if (!parent.node_ops.symlink) {
   throw new FS.ErrnoError(63);
  }
  return parent.node_ops.symlink(parent, newname, oldpath);
 },
 rename: (old_path, new_path) => {
  var old_dirname = PATH.dirname(old_path);
  var new_dirname = PATH.dirname(new_path);
  var old_name = PATH.basename(old_path);
  var new_name = PATH.basename(new_path);
  var lookup, old_dir, new_dir;
  lookup = FS.lookupPath(old_path, {
   parent: true
  });
  old_dir = lookup.node;
  lookup = FS.lookupPath(new_path, {
   parent: true
  });
  new_dir = lookup.node;
  if (!old_dir || !new_dir) throw new FS.ErrnoError(44);
  if (old_dir.mount !== new_dir.mount) {
   throw new FS.ErrnoError(75);
  }
  var old_node = FS.lookupNode(old_dir, old_name);
  var relative = PATH_FS.relative(old_path, new_dirname);
  if (relative.charAt(0) !== ".") {
   throw new FS.ErrnoError(28);
  }
  relative = PATH_FS.relative(new_path, old_dirname);
  if (relative.charAt(0) !== ".") {
   throw new FS.ErrnoError(55);
  }
  var new_node;
  try {
   new_node = FS.lookupNode(new_dir, new_name);
  } catch (e) {}
  if (old_node === new_node) {
   return;
  }
  var isdir = FS.isDir(old_node.mode);
  var errCode = FS.mayDelete(old_dir, old_name, isdir);
  if (errCode) {
   throw new FS.ErrnoError(errCode);
  }
  errCode = new_node ? FS.mayDelete(new_dir, new_name, isdir) : FS.mayCreate(new_dir, new_name);
  if (errCode) {
   throw new FS.ErrnoError(errCode);
  }
  if (!old_dir.node_ops.rename) {
   throw new FS.ErrnoError(63);
  }
  if (FS.isMountpoint(old_node) || new_node && FS.isMountpoint(new_node)) {
   throw new FS.ErrnoError(10);
  }
  if (new_dir !== old_dir) {
   errCode = FS.nodePermissions(old_dir, "w");
   if (errCode) {
    throw new FS.ErrnoError(errCode);
   }
  }
  FS.hashRemoveNode(old_node);
  try {
   old_dir.node_ops.rename(old_node, new_dir, new_name);
  } catch (e) {
   throw e;
  } finally {
   FS.hashAddNode(old_node);
  }
 },
 rmdir: path => {
  var lookup = FS.lookupPath(path, {
   parent: true
  });
  var parent = lookup.node;
  var name = PATH.basename(path);
  var node = FS.lookupNode(parent, name);
  var errCode = FS.mayDelete(parent, name, true);
  if (errCode) {
   throw new FS.ErrnoError(errCode);
  }
  if (!parent.node_ops.rmdir) {
   throw new FS.ErrnoError(63);
  }
  if (FS.isMountpoint(node)) {
   throw new FS.ErrnoError(10);
  }
  parent.node_ops.rmdir(parent, name);
  FS.destroyNode(node);
 },
 readdir: path => {
  var lookup = FS.lookupPath(path, {
   follow: true
  });
  var node = lookup.node;
  if (!node.node_ops.readdir) {
   throw new FS.ErrnoError(54);
  }
  return node.node_ops.readdir(node);
 },
 unlink: path => {
  var lookup = FS.lookupPath(path, {
   parent: true
  });
  var parent = lookup.node;
  if (!parent) {
   throw new FS.ErrnoError(44);
  }
  var name = PATH.basename(path);
  var node = FS.lookupNode(parent, name);
  var errCode = FS.mayDelete(parent, name, false);
  if (errCode) {
   throw new FS.ErrnoError(errCode);
  }
  if (!parent.node_ops.unlink) {
   throw new FS.ErrnoError(63);
  }
  if (FS.isMountpoint(node)) {
   throw new FS.ErrnoError(10);
  }
  parent.node_ops.unlink(parent, name);
  FS.destroyNode(node);
 },
 readlink: path => {
  var lookup = FS.lookupPath(path);
  var link = lookup.node;
  if (!link) {
   throw new FS.ErrnoError(44);
  }
  if (!link.node_ops.readlink) {
   throw new FS.ErrnoError(28);
  }
  return PATH_FS.resolve(FS.getPath(link.parent), link.node_ops.readlink(link));
 },
 stat: (path, dontFollow) => {
  var lookup = FS.lookupPath(path, {
   follow: !dontFollow
  });
  var node = lookup.node;
  if (!node) {
   throw new FS.ErrnoError(44);
  }
  if (!node.node_ops.getattr) {
   throw new FS.ErrnoError(63);
  }
  return node.node_ops.getattr(node);
 },
 lstat: path => {
  return FS.stat(path, true);
 },
 chmod: (path, mode, dontFollow) => {
  var node;
  if (typeof path == "string") {
   var lookup = FS.lookupPath(path, {
    follow: !dontFollow
   });
   node = lookup.node;
  } else {
   node = path;
  }
  if (!node.node_ops.setattr) {
   throw new FS.ErrnoError(63);
  }
  node.node_ops.setattr(node, {
   mode: mode & 4095 | node.mode & ~4095,
   timestamp: Date.now()
  });
 },
 lchmod: (path, mode) => {
  FS.chmod(path, mode, true);
 },
 fchmod: (fd, mode) => {
  var stream = FS.getStream(fd);
  if (!stream) {
   throw new FS.ErrnoError(8);
  }
  FS.chmod(stream.node, mode);
 },
 chown: (path, uid, gid, dontFollow) => {
  var node;
  if (typeof path == "string") {
   var lookup = FS.lookupPath(path, {
    follow: !dontFollow
   });
   node = lookup.node;
  } else {
   node = path;
  }
  if (!node.node_ops.setattr) {
   throw new FS.ErrnoError(63);
  }
  node.node_ops.setattr(node, {
   timestamp: Date.now()
  });
 },
 lchown: (path, uid, gid) => {
  FS.chown(path, uid, gid, true);
 },
 fchown: (fd, uid, gid) => {
  var stream = FS.getStream(fd);
  if (!stream) {
   throw new FS.ErrnoError(8);
  }
  FS.chown(stream.node, uid, gid);
 },
 truncate: (path, len) => {
  if (len < 0) {
   throw new FS.ErrnoError(28);
  }
  var node;
  if (typeof path == "string") {
   var lookup = FS.lookupPath(path, {
    follow: true
   });
   node = lookup.node;
  } else {
   node = path;
  }
  if (!node.node_ops.setattr) {
   throw new FS.ErrnoError(63);
  }
  if (FS.isDir(node.mode)) {
   throw new FS.ErrnoError(31);
  }
  if (!FS.isFile(node.mode)) {
   throw new FS.ErrnoError(28);
  }
  var errCode = FS.nodePermissions(node, "w");
  if (errCode) {
   throw new FS.ErrnoError(errCode);
  }
  node.node_ops.setattr(node, {
   size: len,
   timestamp: Date.now()
  });
 },
 ftruncate: (fd, len) => {
  var stream = FS.getStream(fd);
  if (!stream) {
   throw new FS.ErrnoError(8);
  }
  if ((stream.flags & 2097155) === 0) {
   throw new FS.ErrnoError(28);
  }
  FS.truncate(stream.node, len);
 },
 utime: (path, atime, mtime) => {
  var lookup = FS.lookupPath(path, {
   follow: true
  });
  var node = lookup.node;
  node.node_ops.setattr(node, {
   timestamp: Math.max(atime, mtime)
  });
 },
 open: (path, flags, mode) => {
  if (path === "") {
   throw new FS.ErrnoError(44);
  }
  flags = typeof flags == "string" ? FS.modeStringToFlags(flags) : flags;
  mode = typeof mode == "undefined" ? 438 : mode;
  if (flags & 64) {
   mode = mode & 4095 | 32768;
  } else {
   mode = 0;
  }
  var node;
  if (typeof path == "object") {
   node = path;
  } else {
   path = PATH.normalize(path);
   try {
    var lookup = FS.lookupPath(path, {
     follow: !(flags & 131072)
    });
    node = lookup.node;
   } catch (e) {}
  }
  var created = false;
  if (flags & 64) {
   if (node) {
    if (flags & 128) {
     throw new FS.ErrnoError(20);
    }
   } else {
    node = FS.mknod(path, mode, 0);
    created = true;
   }
  }
  if (!node) {
   throw new FS.ErrnoError(44);
  }
  if (FS.isChrdev(node.mode)) {
   flags &= ~512;
  }
  if (flags & 65536 && !FS.isDir(node.mode)) {
   throw new FS.ErrnoError(54);
  }
  if (!created) {
   var errCode = FS.mayOpen(node, flags);
   if (errCode) {
    throw new FS.ErrnoError(errCode);
   }
  }
  if (flags & 512 && !created) {
   FS.truncate(node, 0);
  }
  flags &= ~(128 | 512 | 131072);
  var stream = FS.createStream({
   node: node,
   path: FS.getPath(node),
   flags: flags,
   seekable: true,
   position: 0,
   stream_ops: node.stream_ops,
   ungotten: [],
   error: false
  });
  if (stream.stream_ops.open) {
   stream.stream_ops.open(stream);
  }
  if (Module["logReadFiles"] && !(flags & 1)) {
   if (!FS.readFiles) FS.readFiles = {};
   if (!(path in FS.readFiles)) {
    FS.readFiles[path] = 1;
   }
  }
  return stream;
 },
 close: stream => {
  if (FS.isClosed(stream)) {
   throw new FS.ErrnoError(8);
  }
  if (stream.getdents) stream.getdents = null;
  try {
   if (stream.stream_ops.close) {
    stream.stream_ops.close(stream);
   }
  } catch (e) {
   throw e;
  } finally {
   FS.closeStream(stream.fd);
  }
  stream.fd = null;
 },
 isClosed: stream => {
  return stream.fd === null;
 },
 llseek: (stream, offset, whence) => {
  if (FS.isClosed(stream)) {
   throw new FS.ErrnoError(8);
  }
  if (!stream.seekable || !stream.stream_ops.llseek) {
   throw new FS.ErrnoError(70);
  }
  if (whence != 0 && whence != 1 && whence != 2) {
   throw new FS.ErrnoError(28);
  }
  stream.position = stream.stream_ops.llseek(stream, offset, whence);
  stream.ungotten = [];
  return stream.position;
 },
 read: (stream, buffer, offset, length, position) => {
  offset >>>= 0;
  if (length < 0 || position < 0) {
   throw new FS.ErrnoError(28);
  }
  if (FS.isClosed(stream)) {
   throw new FS.ErrnoError(8);
  }
  if ((stream.flags & 2097155) === 1) {
   throw new FS.ErrnoError(8);
  }
  if (FS.isDir(stream.node.mode)) {
   throw new FS.ErrnoError(31);
  }
  if (!stream.stream_ops.read) {
   throw new FS.ErrnoError(28);
  }
  var seeking = typeof position != "undefined";
  if (!seeking) {
   position = stream.position;
  } else if (!stream.seekable) {
   throw new FS.ErrnoError(70);
  }
  var bytesRead = stream.stream_ops.read(stream, buffer, offset, length, position);
  if (!seeking) stream.position += bytesRead;
  return bytesRead;
 },
 write: (stream, buffer, offset, length, position, canOwn) => {
  offset >>>= 0;
  if (length < 0 || position < 0) {
   throw new FS.ErrnoError(28);
  }
  if (FS.isClosed(stream)) {
   throw new FS.ErrnoError(8);
  }
  if ((stream.flags & 2097155) === 0) {
   throw new FS.ErrnoError(8);
  }
  if (FS.isDir(stream.node.mode)) {
   throw new FS.ErrnoError(31);
  }
  if (!stream.stream_ops.write) {
   throw new FS.ErrnoError(28);
  }
  if (stream.seekable && stream.flags & 1024) {
   FS.llseek(stream, 0, 2);
  }
  var seeking = typeof position != "undefined";
  if (!seeking) {
   position = stream.position;
  } else if (!stream.seekable) {
   throw new FS.ErrnoError(70);
  }
  var bytesWritten = stream.stream_ops.write(stream, buffer, offset, length, position, canOwn);
  if (!seeking) stream.position += bytesWritten;
  return bytesWritten;
 },
 allocate: (stream, offset, length) => {
  if (FS.isClosed(stream)) {
   throw new FS.ErrnoError(8);
  }
  if (offset < 0 || length <= 0) {
   throw new FS.ErrnoError(28);
  }
  if ((stream.flags & 2097155) === 0) {
   throw new FS.ErrnoError(8);
  }
  if (!FS.isFile(stream.node.mode) && !FS.isDir(stream.node.mode)) {
   throw new FS.ErrnoError(43);
  }
  if (!stream.stream_ops.allocate) {
   throw new FS.ErrnoError(138);
  }
  stream.stream_ops.allocate(stream, offset, length);
 },
 mmap: (stream, length, position, prot, flags) => {
  if ((prot & 2) !== 0 && (flags & 2) === 0 && (stream.flags & 2097155) !== 2) {
   throw new FS.ErrnoError(2);
  }
  if ((stream.flags & 2097155) === 1) {
   throw new FS.ErrnoError(2);
  }
  if (!stream.stream_ops.mmap) {
   throw new FS.ErrnoError(43);
  }
  return stream.stream_ops.mmap(stream, length, position, prot, flags);
 },
 msync: (stream, buffer, offset, length, mmapFlags) => {
  offset >>>= 0;
  if (!stream.stream_ops.msync) {
   return 0;
  }
  return stream.stream_ops.msync(stream, buffer, offset, length, mmapFlags);
 },
 munmap: stream => 0,
 ioctl: (stream, cmd, arg) => {
  if (!stream.stream_ops.ioctl) {
   throw new FS.ErrnoError(59);
  }
  return stream.stream_ops.ioctl(stream, cmd, arg);
 },
 readFile: (path, opts = {}) => {
  opts.flags = opts.flags || 0;
  opts.encoding = opts.encoding || "binary";
  if (opts.encoding !== "utf8" && opts.encoding !== "binary") {
   throw new Error('Invalid encoding type "' + opts.encoding + '"');
  }
  var ret;
  var stream = FS.open(path, opts.flags);
  var stat = FS.stat(path);
  var length = stat.size;
  var buf = new Uint8Array(length);
  FS.read(stream, buf, 0, length, 0);
  if (opts.encoding === "utf8") {
   ret = UTF8ArrayToString(buf, 0);
  } else if (opts.encoding === "binary") {
   ret = buf;
  }
  FS.close(stream);
  return ret;
 },
 writeFile: (path, data, opts = {}) => {
  opts.flags = opts.flags || 577;
  var stream = FS.open(path, opts.flags, opts.mode);
  if (typeof data == "string") {
   var buf = new Uint8Array(lengthBytesUTF8(data) + 1);
   var actualNumBytes = stringToUTF8Array(data, buf, 0, buf.length);
   FS.write(stream, buf, 0, actualNumBytes, undefined, opts.canOwn);
  } else if (ArrayBuffer.isView(data)) {
   FS.write(stream, data, 0, data.byteLength, undefined, opts.canOwn);
  } else {
   throw new Error("Unsupported data type");
  }
  FS.close(stream);
 },
 cwd: () => FS.currentPath,
 chdir: path => {
  var lookup = FS.lookupPath(path, {
   follow: true
  });
  if (lookup.node === null) {
   throw new FS.ErrnoError(44);
  }
  if (!FS.isDir(lookup.node.mode)) {
   throw new FS.ErrnoError(54);
  }
  var errCode = FS.nodePermissions(lookup.node, "x");
  if (errCode) {
   throw new FS.ErrnoError(errCode);
  }
  FS.currentPath = lookup.path;
 },
 createDefaultDirectories: () => {
  FS.mkdir("/tmp");
  FS.mkdir("/home");
  FS.mkdir("/home/web_user");
 },
 createDefaultDevices: () => {
  FS.mkdir("/dev");
  FS.registerDevice(FS.makedev(1, 3), {
   read: () => 0,
   write: (stream, buffer, offset, length, pos) => length
  });
  FS.mkdev("/dev/null", FS.makedev(1, 3));
  TTY.register(FS.makedev(5, 0), TTY.default_tty_ops);
  TTY.register(FS.makedev(6, 0), TTY.default_tty1_ops);
  FS.mkdev("/dev/tty", FS.makedev(5, 0));
  FS.mkdev("/dev/tty1", FS.makedev(6, 0));
  var random_device = getRandomDevice();
  FS.createDevice("/dev", "random", random_device);
  FS.createDevice("/dev", "urandom", random_device);
  FS.mkdir("/dev/shm");
  FS.mkdir("/dev/shm/tmp");
 },
 createSpecialDirectories: () => {
  FS.mkdir("/proc");
  var proc_self = FS.mkdir("/proc/self");
  FS.mkdir("/proc/self/fd");
  FS.mount({
   mount: () => {
    var node = FS.createNode(proc_self, "fd", 16384 | 511, 73);
    node.node_ops = {
     lookup: (parent, name) => {
      var fd = +name;
      var stream = FS.getStream(fd);
      if (!stream) throw new FS.ErrnoError(8);
      var ret = {
       parent: null,
       mount: {
        mountpoint: "fake"
       },
       node_ops: {
        readlink: () => stream.path
       }
      };
      ret.parent = ret;
      return ret;
     }
    };
    return node;
   }
  }, {}, "/proc/self/fd");
 },
 createStandardStreams: () => {
  if (Module["stdin"]) {
   FS.createDevice("/dev", "stdin", Module["stdin"]);
  } else {
   FS.symlink("/dev/tty", "/dev/stdin");
  }
  if (Module["stdout"]) {
   FS.createDevice("/dev", "stdout", null, Module["stdout"]);
  } else {
   FS.symlink("/dev/tty", "/dev/stdout");
  }
  if (Module["stderr"]) {
   FS.createDevice("/dev", "stderr", null, Module["stderr"]);
  } else {
   FS.symlink("/dev/tty1", "/dev/stderr");
  }
  var stdin = FS.open("/dev/stdin", 0);
  var stdout = FS.open("/dev/stdout", 1);
  var stderr = FS.open("/dev/stderr", 1);
 },
 ensureErrnoError: () => {
  if (FS.ErrnoError) return;
  FS.ErrnoError = function ErrnoError(errno, node) {
   this.node = node;
   this.setErrno = function(errno) {
    this.errno = errno;
   };
   this.setErrno(errno);
   this.message = "FS error";
  };
  FS.ErrnoError.prototype = new Error();
  FS.ErrnoError.prototype.constructor = FS.ErrnoError;
  [ 44 ].forEach(code => {
   FS.genericErrors[code] = new FS.ErrnoError(code);
   FS.genericErrors[code].stack = "<generic error, no stack>";
  });
 },
 staticInit: () => {
  FS.ensureErrnoError();
  FS.nameTable = new Array(4096);
  FS.mount(MEMFS, {}, "/");
  FS.createDefaultDirectories();
  FS.createDefaultDevices();
  FS.createSpecialDirectories();
  FS.filesystems = {
   "MEMFS": MEMFS,
   "NODEFS": NODEFS
  };
 },
 init: (input, output, error) => {
  FS.init.initialized = true;
  FS.ensureErrnoError();
  Module["stdin"] = input || Module["stdin"];
  Module["stdout"] = output || Module["stdout"];
  Module["stderr"] = error || Module["stderr"];
  FS.createStandardStreams();
 },
 quit: () => {
  FS.init.initialized = false;
  for (var i = 0; i < FS.streams.length; i++) {
   var stream = FS.streams[i];
   if (!stream) {
    continue;
   }
   FS.close(stream);
  }
 },
 getMode: (canRead, canWrite) => {
  var mode = 0;
  if (canRead) mode |= 292 | 73;
  if (canWrite) mode |= 146;
  return mode;
 },
 findObject: (path, dontResolveLastLink) => {
  var ret = FS.analyzePath(path, dontResolveLastLink);
  if (!ret.exists) {
   return null;
  }
  return ret.object;
 },
 analyzePath: (path, dontResolveLastLink) => {
  try {
   var lookup = FS.lookupPath(path, {
    follow: !dontResolveLastLink
   });
   path = lookup.path;
  } catch (e) {}
  var ret = {
   isRoot: false,
   exists: false,
   error: 0,
   name: null,
   path: null,
   object: null,
   parentExists: false,
   parentPath: null,
   parentObject: null
  };
  try {
   var lookup = FS.lookupPath(path, {
    parent: true
   });
   ret.parentExists = true;
   ret.parentPath = lookup.path;
   ret.parentObject = lookup.node;
   ret.name = PATH.basename(path);
   lookup = FS.lookupPath(path, {
    follow: !dontResolveLastLink
   });
   ret.exists = true;
   ret.path = lookup.path;
   ret.object = lookup.node;
   ret.name = lookup.node.name;
   ret.isRoot = lookup.path === "/";
  } catch (e) {
   ret.error = e.errno;
  }
  return ret;
 },
 createPath: (parent, path, canRead, canWrite) => {
  parent = typeof parent == "string" ? parent : FS.getPath(parent);
  var parts = path.split("/").reverse();
  while (parts.length) {
   var part = parts.pop();
   if (!part) continue;
   var current = PATH.join2(parent, part);
   try {
    FS.mkdir(current);
   } catch (e) {}
   parent = current;
  }
  return current;
 },
 createFile: (parent, name, properties, canRead, canWrite) => {
  var path = PATH.join2(typeof parent == "string" ? parent : FS.getPath(parent), name);
  var mode = FS.getMode(canRead, canWrite);
  return FS.create(path, mode);
 },
 createDataFile: (parent, name, data, canRead, canWrite, canOwn) => {
  var path = name;
  if (parent) {
   parent = typeof parent == "string" ? parent : FS.getPath(parent);
   path = name ? PATH.join2(parent, name) : parent;
  }
  var mode = FS.getMode(canRead, canWrite);
  var node = FS.create(path, mode);
  if (data) {
   if (typeof data == "string") {
    var arr = new Array(data.length);
    for (var i = 0, len = data.length; i < len; ++i) arr[i] = data.charCodeAt(i);
    data = arr;
   }
   FS.chmod(node, mode | 146);
   var stream = FS.open(node, 577);
   FS.write(stream, data, 0, data.length, 0, canOwn);
   FS.close(stream);
   FS.chmod(node, mode);
  }
  return node;
 },
 createDevice: (parent, name, input, output) => {
  var path = PATH.join2(typeof parent == "string" ? parent : FS.getPath(parent), name);
  var mode = FS.getMode(!!input, !!output);
  if (!FS.createDevice.major) FS.createDevice.major = 64;
  var dev = FS.makedev(FS.createDevice.major++, 0);
  FS.registerDevice(dev, {
   open: stream => {
    stream.seekable = false;
   },
   close: stream => {
    if (output && output.buffer && output.buffer.length) {
     output(10);
    }
   },
   read: (stream, buffer, offset, length, pos) => {
    var bytesRead = 0;
    for (var i = 0; i < length; i++) {
     var result;
     try {
      result = input();
     } catch (e) {
      throw new FS.ErrnoError(29);
     }
     if (result === undefined && bytesRead === 0) {
      throw new FS.ErrnoError(6);
     }
     if (result === null || result === undefined) break;
     bytesRead++;
     buffer[offset + i] = result;
    }
    if (bytesRead) {
     stream.node.timestamp = Date.now();
    }
    return bytesRead;
   },
   write: (stream, buffer, offset, length, pos) => {
    for (var i = 0; i < length; i++) {
     try {
      output(buffer[offset + i]);
     } catch (e) {
      throw new FS.ErrnoError(29);
     }
    }
    if (length) {
     stream.node.timestamp = Date.now();
    }
    return i;
   }
  });
  return FS.mkdev(path, mode, dev);
 },
 forceLoadFile: obj => {
  if (obj.isDevice || obj.isFolder || obj.link || obj.contents) return true;
  if (typeof XMLHttpRequest != "undefined") {
   throw new Error("Lazy loading should have been performed (contents set) in createLazyFile, but it was not. Lazy loading only works in web workers. Use --embed-file or --preload-file in emcc on the main thread.");
  } else if (read_) {
   try {
    obj.contents = intArrayFromString(read_(obj.url), true);
    obj.usedBytes = obj.contents.length;
   } catch (e) {
    throw new FS.ErrnoError(29);
   }
  } else {
   throw new Error("Cannot load without read() or XMLHttpRequest.");
  }
 },
 createLazyFile: (parent, name, url, canRead, canWrite) => {
  function LazyUint8Array() {
   this.lengthKnown = false;
   this.chunks = [];
  }
  LazyUint8Array.prototype.get = function LazyUint8Array_get(idx) {
   if (idx > this.length - 1 || idx < 0) {
    return undefined;
   }
   var chunkOffset = idx % this.chunkSize;
   var chunkNum = idx / this.chunkSize | 0;
   return this.getter(chunkNum)[chunkOffset];
  };
  LazyUint8Array.prototype.setDataGetter = function LazyUint8Array_setDataGetter(getter) {
   this.getter = getter;
  };
  LazyUint8Array.prototype.cacheLength = function LazyUint8Array_cacheLength() {
   var xhr = new XMLHttpRequest();
   xhr.open("HEAD", url, false);
   xhr.send(null);
   if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) throw new Error("Couldn't load " + url + ". Status: " + xhr.status);
   var datalength = Number(xhr.getResponseHeader("Content-length"));
   var header;
   var hasByteServing = (header = xhr.getResponseHeader("Accept-Ranges")) && header === "bytes";
   var usesGzip = (header = xhr.getResponseHeader("Content-Encoding")) && header === "gzip";
   var chunkSize = 1024 * 1024;
   if (!hasByteServing) chunkSize = datalength;
   var doXHR = (from, to) => {
    if (from > to) throw new Error("invalid range (" + from + ", " + to + ") or no bytes requested!");
    if (to > datalength - 1) throw new Error("only " + datalength + " bytes available! programmer error!");
    var xhr = new XMLHttpRequest();
    xhr.open("GET", url, false);
    if (datalength !== chunkSize) xhr.setRequestHeader("Range", "bytes=" + from + "-" + to);
    xhr.responseType = "arraybuffer";
    if (xhr.overrideMimeType) {
     xhr.overrideMimeType("text/plain; charset=x-user-defined");
    }
    xhr.send(null);
    if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) throw new Error("Couldn't load " + url + ". Status: " + xhr.status);
    if (xhr.response !== undefined) {
     return new Uint8Array(xhr.response || []);
    }
    return intArrayFromString(xhr.responseText || "", true);
   };
   var lazyArray = this;
   lazyArray.setDataGetter(chunkNum => {
    var start = chunkNum * chunkSize;
    var end = (chunkNum + 1) * chunkSize - 1;
    end = Math.min(end, datalength - 1);
    if (typeof lazyArray.chunks[chunkNum] == "undefined") {
     lazyArray.chunks[chunkNum] = doXHR(start, end);
    }
    if (typeof lazyArray.chunks[chunkNum] == "undefined") throw new Error("doXHR failed!");
    return lazyArray.chunks[chunkNum];
   });
   if (usesGzip || !datalength) {
    chunkSize = datalength = 1;
    datalength = this.getter(0).length;
    chunkSize = datalength;
    out("LazyFiles on gzip forces download of the whole file when length is accessed");
   }
   this._length = datalength;
   this._chunkSize = chunkSize;
   this.lengthKnown = true;
  };
  if (typeof XMLHttpRequest != "undefined") {
   if (!ENVIRONMENT_IS_WORKER) throw "Cannot do synchronous binary XHRs outside webworkers in modern browsers. Use --embed-file or --preload-file in emcc";
   var lazyArray = new LazyUint8Array();
   Object.defineProperties(lazyArray, {
    length: {
     get: function() {
      if (!this.lengthKnown) {
       this.cacheLength();
      }
      return this._length;
     }
    },
    chunkSize: {
     get: function() {
      if (!this.lengthKnown) {
       this.cacheLength();
      }
      return this._chunkSize;
     }
    }
   });
   var properties = {
    isDevice: false,
    contents: lazyArray
   };
  } else {
   var properties = {
    isDevice: false,
    url: url
   };
  }
  var node = FS.createFile(parent, name, properties, canRead, canWrite);
  if (properties.contents) {
   node.contents = properties.contents;
  } else if (properties.url) {
   node.contents = null;
   node.url = properties.url;
  }
  Object.defineProperties(node, {
   usedBytes: {
    get: function() {
     return this.contents.length;
    }
   }
  });
  var stream_ops = {};
  var keys = Object.keys(node.stream_ops);
  keys.forEach(key => {
   var fn = node.stream_ops[key];
   stream_ops[key] = function forceLoadLazyFile() {
    FS.forceLoadFile(node);
    return fn.apply(null, arguments);
   };
  });
  function writeChunks(stream, buffer, offset, length, position) {
   var contents = stream.node.contents;
   if (position >= contents.length) return 0;
   var size = Math.min(contents.length - position, length);
   if (contents.slice) {
    for (var i = 0; i < size; i++) {
     buffer[offset + i] = contents[position + i];
    }
   } else {
    for (var i = 0; i < size; i++) {
     buffer[offset + i] = contents.get(position + i);
    }
   }
   return size;
  }
  stream_ops.read = (stream, buffer, offset, length, position) => {
   FS.forceLoadFile(node);
   return writeChunks(stream, buffer, offset, length, position);
  };
  stream_ops.mmap = (stream, length, position, prot, flags) => {
   FS.forceLoadFile(node);
   var ptr = mmapAlloc(length);
   if (!ptr) {
    throw new FS.ErrnoError(48);
   }
   writeChunks(stream, GROWABLE_HEAP_I8(), ptr, length, position);
   return {
    ptr: ptr,
    allocated: true
   };
  };
  node.stream_ops = stream_ops;
  return node;
 },
 createPreloadedFile: (parent, name, url, canRead, canWrite, onload, onerror, dontCreateFile, canOwn, preFinish) => {
  var fullname = name ? PATH_FS.resolve(PATH.join2(parent, name)) : parent;
  var dep = getUniqueRunDependency("cp " + fullname);
  function processData(byteArray) {
   function finish(byteArray) {
    if (preFinish) preFinish();
    if (!dontCreateFile) {
     FS.createDataFile(parent, name, byteArray, canRead, canWrite, canOwn);
    }
    if (onload) onload();
    removeRunDependency(dep);
   }
   if (Browser.handledByPreloadPlugin(byteArray, fullname, finish, () => {
    if (onerror) onerror();
    removeRunDependency(dep);
   })) {
    return;
   }
   finish(byteArray);
  }
  addRunDependency(dep);
  if (typeof url == "string") {
   asyncLoad(url, byteArray => processData(byteArray), onerror);
  } else {
   processData(url);
  }
 },
 indexedDB: () => {
  return window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB;
 },
 DB_NAME: () => {
  return "EM_FS_" + window.location.pathname;
 },
 DB_VERSION: 20,
 DB_STORE_NAME: "FILE_DATA",
 saveFilesToDB: (paths, onload = (() => {}), onerror = (() => {})) => {
  var indexedDB = FS.indexedDB();
  try {
   var openRequest = indexedDB.open(FS.DB_NAME(), FS.DB_VERSION);
  } catch (e) {
   return onerror(e);
  }
  openRequest.onupgradeneeded = () => {
   out("creating db");
   var db = openRequest.result;
   db.createObjectStore(FS.DB_STORE_NAME);
  };
  openRequest.onsuccess = () => {
   var db = openRequest.result;
   var transaction = db.transaction([ FS.DB_STORE_NAME ], "readwrite");
   var files = transaction.objectStore(FS.DB_STORE_NAME);
   var ok = 0, fail = 0, total = paths.length;
   function finish() {
    if (fail == 0) onload(); else onerror();
   }
   paths.forEach(path => {
    var putRequest = files.put(FS.analyzePath(path).object.contents, path);
    putRequest.onsuccess = () => {
     ok++;
     if (ok + fail == total) finish();
    };
    putRequest.onerror = () => {
     fail++;
     if (ok + fail == total) finish();
    };
   });
   transaction.onerror = onerror;
  };
  openRequest.onerror = onerror;
 },
 loadFilesFromDB: (paths, onload = (() => {}), onerror = (() => {})) => {
  var indexedDB = FS.indexedDB();
  try {
   var openRequest = indexedDB.open(FS.DB_NAME(), FS.DB_VERSION);
  } catch (e) {
   return onerror(e);
  }
  openRequest.onupgradeneeded = onerror;
  openRequest.onsuccess = () => {
   var db = openRequest.result;
   try {
    var transaction = db.transaction([ FS.DB_STORE_NAME ], "readonly");
   } catch (e) {
    onerror(e);
    return;
   }
   var files = transaction.objectStore(FS.DB_STORE_NAME);
   var ok = 0, fail = 0, total = paths.length;
   function finish() {
    if (fail == 0) onload(); else onerror();
   }
   paths.forEach(path => {
    var getRequest = files.get(path);
    getRequest.onsuccess = () => {
     if (FS.analyzePath(path).exists) {
      FS.unlink(path);
     }
     FS.createDataFile(PATH.dirname(path), PATH.basename(path), getRequest.result, true, true, true);
     ok++;
     if (ok + fail == total) finish();
    };
    getRequest.onerror = () => {
     fail++;
     if (ok + fail == total) finish();
    };
   });
   transaction.onerror = onerror;
  };
  openRequest.onerror = onerror;
 }
};

var SYSCALLS = {
 DEFAULT_POLLMASK: 5,
 calculateAt: function(dirfd, path, allowEmpty) {
  if (PATH.isAbs(path)) {
   return path;
  }
  var dir;
  if (dirfd === -100) {
   dir = FS.cwd();
  } else {
   var dirstream = SYSCALLS.getStreamFromFD(dirfd);
   dir = dirstream.path;
  }
  if (path.length == 0) {
   if (!allowEmpty) {
    throw new FS.ErrnoError(44);
   }
   return dir;
  }
  return PATH.join2(dir, path);
 },
 doStat: function(func, path, buf) {
  try {
   var stat = func(path);
  } catch (e) {
   if (e && e.node && PATH.normalize(path) !== PATH.normalize(FS.getPath(e.node))) {
    return -54;
   }
   throw e;
  }
  GROWABLE_HEAP_I32()[buf >>> 2] = stat.dev;
  GROWABLE_HEAP_I32()[buf + 8 >>> 2] = stat.ino;
  GROWABLE_HEAP_I32()[buf + 12 >>> 2] = stat.mode;
  GROWABLE_HEAP_U32()[buf + 16 >>> 2] = stat.nlink;
  GROWABLE_HEAP_I32()[buf + 20 >>> 2] = stat.uid;
  GROWABLE_HEAP_I32()[buf + 24 >>> 2] = stat.gid;
  GROWABLE_HEAP_I32()[buf + 28 >>> 2] = stat.rdev;
  tempI64 = [ stat.size >>> 0, (tempDouble = stat.size, +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? (Math.min(+Math.floor(tempDouble / 4294967296), 4294967295) | 0) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0) ], 
  GROWABLE_HEAP_I32()[buf + 40 >>> 2] = tempI64[0], GROWABLE_HEAP_I32()[buf + 44 >>> 2] = tempI64[1];
  GROWABLE_HEAP_I32()[buf + 48 >>> 2] = 4096;
  GROWABLE_HEAP_I32()[buf + 52 >>> 2] = stat.blocks;
  var atime = stat.atime.getTime();
  var mtime = stat.mtime.getTime();
  var ctime = stat.ctime.getTime();
  tempI64 = [ Math.floor(atime / 1e3) >>> 0, (tempDouble = Math.floor(atime / 1e3), 
  +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? (Math.min(+Math.floor(tempDouble / 4294967296), 4294967295) | 0) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0) ], 
  GROWABLE_HEAP_I32()[buf + 56 >>> 2] = tempI64[0], GROWABLE_HEAP_I32()[buf + 60 >>> 2] = tempI64[1];
  GROWABLE_HEAP_U32()[buf + 64 >>> 2] = atime % 1e3 * 1e3;
  tempI64 = [ Math.floor(mtime / 1e3) >>> 0, (tempDouble = Math.floor(mtime / 1e3), 
  +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? (Math.min(+Math.floor(tempDouble / 4294967296), 4294967295) | 0) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0) ], 
  GROWABLE_HEAP_I32()[buf + 72 >>> 2] = tempI64[0], GROWABLE_HEAP_I32()[buf + 76 >>> 2] = tempI64[1];
  GROWABLE_HEAP_U32()[buf + 80 >>> 2] = mtime % 1e3 * 1e3;
  tempI64 = [ Math.floor(ctime / 1e3) >>> 0, (tempDouble = Math.floor(ctime / 1e3), 
  +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? (Math.min(+Math.floor(tempDouble / 4294967296), 4294967295) | 0) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0) ], 
  GROWABLE_HEAP_I32()[buf + 88 >>> 2] = tempI64[0], GROWABLE_HEAP_I32()[buf + 92 >>> 2] = tempI64[1];
  GROWABLE_HEAP_U32()[buf + 96 >>> 2] = ctime % 1e3 * 1e3;
  tempI64 = [ stat.ino >>> 0, (tempDouble = stat.ino, +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? (Math.min(+Math.floor(tempDouble / 4294967296), 4294967295) | 0) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0) ], 
  GROWABLE_HEAP_I32()[buf + 104 >>> 2] = tempI64[0], GROWABLE_HEAP_I32()[buf + 108 >>> 2] = tempI64[1];
  return 0;
 },
 doMsync: function(addr, stream, len, flags, offset) {
  if (!FS.isFile(stream.node.mode)) {
   throw new FS.ErrnoError(43);
  }
  if (flags & 2) {
   return 0;
  }
  addr >>>= 0;
  var buffer = GROWABLE_HEAP_U8().slice(addr, addr + len);
  FS.msync(stream, buffer, offset, len, flags);
 },
 varargs: undefined,
 get: function() {
  SYSCALLS.varargs += 4;
  var ret = GROWABLE_HEAP_I32()[SYSCALLS.varargs - 4 >>> 2];
  return ret;
 },
 getStr: function(ptr) {
  var ret = UTF8ToString(ptr);
  return ret;
 },
 getStreamFromFD: function(fd) {
  var stream = FS.getStream(fd);
  if (!stream) throw new FS.ErrnoError(8);
  return stream;
 }
};

function _proc_exit(code) {
 if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(1, 1, code);
 EXITSTATUS = code;
 if (!keepRuntimeAlive()) {
  PThread.terminateAllThreads();
  if (Module["onExit"]) Module["onExit"](code);
  ABORT = true;
 }
 quit_(code, new ExitStatus(code));
}

function exitJS(status, implicit) {
 EXITSTATUS = status;
 if (!implicit) {
  if (ENVIRONMENT_IS_PTHREAD) {
   exitOnMainThread(status);
   throw "unwind";
  } else {}
 }
 _proc_exit(status);
}

var _exit = exitJS;

function handleException(e) {
 if (e instanceof ExitStatus || e == "unwind") {
  return EXITSTATUS;
 }
 quit_(1, e);
}

var PThread = {
 unusedWorkers: [],
 runningWorkers: [],
 tlsInitFunctions: [],
 pthreads: {},
 init: function() {
  if (ENVIRONMENT_IS_PTHREAD) {
   PThread.initWorker();
  } else {
   PThread.initMainThread();
  }
 },
 initMainThread: function() {
  var pthreadPoolSize = 17;
  while (pthreadPoolSize--) {
   PThread.allocateUnusedWorker();
  }
 },
 initWorker: function() {
  noExitRuntime = false;
 },
 setExitStatus: function(status) {
  EXITSTATUS = status;
 },
 terminateAllThreads: function() {
  for (var worker of Object.values(PThread.pthreads)) {
   PThread.returnWorkerToPool(worker);
  }
  for (var worker of PThread.unusedWorkers) {
   worker.terminate();
  }
  PThread.unusedWorkers = [];
 },
 returnWorkerToPool: function(worker) {
  var pthread_ptr = worker.pthread_ptr;
  delete PThread.pthreads[pthread_ptr];
  PThread.unusedWorkers.push(worker);
  PThread.runningWorkers.splice(PThread.runningWorkers.indexOf(worker), 1);
  worker.pthread_ptr = 0;
  if (ENVIRONMENT_IS_NODE) {
   worker.unref();
  }
  __emscripten_thread_free_data(pthread_ptr);
 },
 receiveObjectTransfer: function(data) {
  if (typeof GL != "undefined") {
   Object.assign(GL.offscreenCanvases, data.offscreenCanvases);
   if (!Module["canvas"] && data.moduleCanvasId && GL.offscreenCanvases[data.moduleCanvasId]) {
    Module["canvas"] = GL.offscreenCanvases[data.moduleCanvasId].offscreenCanvas;
    Module["canvas"].id = data.moduleCanvasId;
   }
  }
 },
 threadInitTLS: function() {
  PThread.tlsInitFunctions.forEach(f => f());
 },
 loadWasmModuleToWorker: worker => new Promise(onFinishedLoading => {
  worker.onmessage = e => {
   var d = e["data"];
   var cmd = d["cmd"];
   if (worker.pthread_ptr) PThread.currentProxiedOperationCallerThread = worker.pthread_ptr;
   if (d["targetThread"] && d["targetThread"] != _pthread_self()) {
    var targetWorker = PThread.pthreads[d.targetThread];
    if (targetWorker) {
     targetWorker.postMessage(d, d["transferList"]);
    } else {
     err('Internal error! Worker sent a message "' + cmd + '" to target pthread ' + d["targetThread"] + ", but that thread no longer exists!");
    }
    PThread.currentProxiedOperationCallerThread = undefined;
    return;
   }
   if (cmd === "processProxyingQueue") {
    executeNotifiedProxyingQueue(d["queue"]);
   } else if (cmd === "spawnThread") {
    spawnThread(d);
   } else if (cmd === "cleanupThread") {
    cleanupThread(d["thread"]);
   } else if (cmd === "killThread") {
    killThread(d["thread"]);
   } else if (cmd === "cancelThread") {
    cancelThread(d["thread"]);
   } else if (cmd === "loaded") {
    worker.loaded = true;
    if (ENVIRONMENT_IS_NODE && !worker.pthread_ptr) {
     worker.unref();
    }
    onFinishedLoading(worker);
   } else if (cmd === "print") {
    out("Thread " + d["threadId"] + ": " + d["text"]);
   } else if (cmd === "printErr") {
    err("Thread " + d["threadId"] + ": " + d["text"]);
   } else if (cmd === "alert") {
    alert("Thread " + d["threadId"] + ": " + d["text"]);
   } else if (d.target === "setimmediate") {
    worker.postMessage(d);
   } else if (cmd === "callHandler") {
    Module[d["handler"]](...d["args"]);
   } else if (cmd) {
    err("worker sent an unknown command " + cmd);
   }
   PThread.currentProxiedOperationCallerThread = undefined;
  };
  worker.onerror = e => {
   var message = "worker sent an error!";
   err(message + " " + e.filename + ":" + e.lineno + ": " + e.message);
   throw e;
  };
  if (ENVIRONMENT_IS_NODE) {
   worker.on("message", function(data) {
    worker.onmessage({
     data: data
    });
   });
   worker.on("error", function(e) {
    worker.onerror(e);
   });
   worker.on("detachedExit", function() {});
  }
  var handlers = [];
  var knownHandlers = [ "onExit", "onAbort", "print", "printErr" ];
  for (var handler of knownHandlers) {
   if (Module.hasOwnProperty(handler)) {
    handlers.push(handler);
   }
  }
  worker.postMessage({
   "cmd": "load",
   "handlers": handlers,
   "urlOrBlob": Module["mainScriptUrlOrBlob"],
   "wasmMemory": wasmMemory,
   "wasmModule": wasmModule
  });
 }),
 loadWasmModuleToAllWorkers: function(onMaybeReady) {
  if (ENVIRONMENT_IS_PTHREAD) {
   return onMaybeReady();
  }
  let pthreadPoolReady = Promise.all(PThread.unusedWorkers.map(PThread.loadWasmModuleToWorker));
  pthreadPoolReady.then(onMaybeReady);
 },
 allocateUnusedWorker: function() {
  var worker;
  if (!Module["locateFile"]) {
   worker = new Worker(new URL("runtime-osgearth-offscreen.runtime-multi-release.worker.js", import.meta.url));
  } else {
   var pthreadMainJs = locateFile("runtime-osgearth-offscreen.runtime-multi-release.worker.js");
   worker = new Worker(pthreadMainJs);
  }
  PThread.unusedWorkers.push(worker);
 },
 getNewWorker: function() {
  if (PThread.unusedWorkers.length == 0) {
   PThread.allocateUnusedWorker();
   PThread.loadWasmModuleToWorker(PThread.unusedWorkers[0]);
  }
  return PThread.unusedWorkers.pop();
 }
};

Module["PThread"] = PThread;

function callRuntimeCallbacks(callbacks) {
 while (callbacks.length > 0) {
  callbacks.shift()(Module);
 }
}

function withStackSave(f) {
 var stack = stackSave();
 var ret = f();
 stackRestore(stack);
 return ret;
}

function demangle(func) {
 demangle.recursionGuard = (demangle.recursionGuard | 0) + 1;
 if (demangle.recursionGuard > 1) return func;
 return withStackSave(function() {
  try {
   var s = func;
   if (s.startsWith("__Z")) s = s.substr(1);
   var len = lengthBytesUTF8(s) + 1;
   var buf = stackAlloc(len);
   stringToUTF8(s, buf, len);
   var status = stackAlloc(4);
   var ret = ___cxa_demangle(buf, 0, 0, status);
   if (GROWABLE_HEAP_I32()[status >>> 2] === 0 && ret) {
    return UTF8ToString(ret);
   }
  } catch (e) {} finally {
   _free(ret);
   if (demangle.recursionGuard < 2) --demangle.recursionGuard;
  }
  return func;
 });
}

function establishStackSpace() {
 var pthread_ptr = _pthread_self();
 var stackTop = GROWABLE_HEAP_I32()[pthread_ptr + 52 >>> 2];
 var stackSize = GROWABLE_HEAP_I32()[pthread_ptr + 56 >>> 2];
 var stackMax = stackTop - stackSize;
 _emscripten_stack_set_limits(stackTop, stackMax);
 stackRestore(stackTop);
}

Module["establishStackSpace"] = establishStackSpace;

function exitOnMainThread(returnCode) {
 if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(2, 0, returnCode);
 try {
  _exit(returnCode);
 } catch (e) {
  handleException(e);
 }
}

function getValue(ptr, type = "i8") {
 if (type.endsWith("*")) type = "*";
 switch (type) {
 case "i1":
  return GROWABLE_HEAP_I8()[ptr >>> 0];

 case "i8":
  return GROWABLE_HEAP_I8()[ptr >>> 0];

 case "i16":
  return GROWABLE_HEAP_I16()[ptr >>> 1];

 case "i32":
  return GROWABLE_HEAP_I32()[ptr >>> 2];

 case "i64":
  return HEAP64[ptr >> 3];

 case "float":
  return GROWABLE_HEAP_F32()[ptr >>> 2];

 case "double":
  return GROWABLE_HEAP_F64()[ptr >>> 3];

 case "*":
  return GROWABLE_HEAP_U32()[ptr >>> 2];

 default:
  abort("invalid type for getValue: " + type);
 }
 return null;
}

var wasmTableMirror = [];

function getWasmTableEntry(funcPtr) {
 var func = wasmTableMirror[funcPtr];
 if (!func) {
  if (funcPtr >= wasmTableMirror.length) wasmTableMirror.length = funcPtr + 1;
  wasmTableMirror[funcPtr] = func = wasmTable.get(funcPtr);
 }
 return func;
}

function invokeEntryPoint(ptr, arg) {
 var result = getWasmTableEntry(ptr)(arg);
 if (keepRuntimeAlive()) {
  PThread.setExitStatus(result);
 } else {
  __emscripten_thread_exit(result);
 }
}

Module["invokeEntryPoint"] = invokeEntryPoint;

function registerTLSInit(tlsInitFunc) {
 PThread.tlsInitFunctions.push(tlsInitFunc);
}

function setValue(ptr, value, type = "i8") {
 if (type.endsWith("*")) type = "*";
 switch (type) {
 case "i1":
  GROWABLE_HEAP_I8()[ptr >>> 0] = value;
  break;

 case "i8":
  GROWABLE_HEAP_I8()[ptr >>> 0] = value;
  break;

 case "i16":
  GROWABLE_HEAP_I16()[ptr >>> 1] = value;
  break;

 case "i32":
  GROWABLE_HEAP_I32()[ptr >>> 2] = value;
  break;

 case "i64":
  tempI64 = [ value >>> 0, (tempDouble = value, +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? (Math.min(+Math.floor(tempDouble / 4294967296), 4294967295) | 0) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0) ], 
  GROWABLE_HEAP_I32()[ptr >>> 2] = tempI64[0], GROWABLE_HEAP_I32()[ptr + 4 >>> 2] = tempI64[1];
  break;

 case "float":
  GROWABLE_HEAP_F32()[ptr >>> 2] = value;
  break;

 case "double":
  GROWABLE_HEAP_F64()[ptr >>> 3] = value;
  break;

 case "*":
  GROWABLE_HEAP_U32()[ptr >>> 2] = value;
  break;

 default:
  abort("invalid type for setValue: " + type);
 }
}

function jsStackTrace() {
 var error = new Error();
 if (!error.stack) {
  try {
   throw new Error();
  } catch (e) {
   error = e;
  }
  if (!error.stack) {
   return "(no stack trace available)";
  }
 }
 return error.stack.toString();
}

function demangleAll(text) {
 var regex = /\b_Z[\w\d_]+/g;
 return text.replace(regex, function(x) {
  var y = demangle(x);
  return x === y ? x : y + " [" + x + "]";
 });
}

function stackTrace() {
 var js = jsStackTrace();
 if (Module["extraStackTrace"]) js += "\n" + Module["extraStackTrace"]();
 return demangleAll(js);
}

function ___assert_fail(condition, filename, line, func) {
 abort("Assertion failed: " + UTF8ToString(condition) + ", at: " + [ filename ? UTF8ToString(filename) : "unknown filename", line, func ? UTF8ToString(func) : "unknown function" ]);
}

function ___emscripten_init_main_thread_js(tb) {
 __emscripten_thread_init(tb, !ENVIRONMENT_IS_WORKER, 1, !ENVIRONMENT_IS_WEB);
 PThread.threadInitTLS();
}

function ___emscripten_thread_cleanup(thread) {
 if (!ENVIRONMENT_IS_PTHREAD) cleanupThread(thread); else postMessage({
  "cmd": "cleanupThread",
  "thread": thread
 });
}

function pthreadCreateProxied(pthread_ptr, attr, startRoutine, arg) {
 if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(3, 1, pthread_ptr, attr, startRoutine, arg);
 return ___pthread_create_js(pthread_ptr, attr, startRoutine, arg);
}

function ___pthread_create_js(pthread_ptr, attr, startRoutine, arg) {
 if (typeof SharedArrayBuffer == "undefined") {
  err("Current environment does not support SharedArrayBuffer, pthreads are not available!");
  return 6;
 }
 var transferList = [];
 var error = 0;
 var transferredCanvasNames = attr ? GROWABLE_HEAP_U32()[attr + 40 >>> 2] : 0;
 if (transferredCanvasNames == -1 >>> 0) transferredCanvasNames = "#canvas"; else if (transferredCanvasNames) transferredCanvasNames = UTF8ToString(transferredCanvasNames).trim();
 if (transferredCanvasNames) transferredCanvasNames = transferredCanvasNames.split(",");
 var offscreenCanvases = {};
 var moduleCanvasId = Module["canvas"] ? Module["canvas"].id : "";
 for (var i in transferredCanvasNames) {
  var name = transferredCanvasNames[i].trim();
  var offscreenCanvasInfo;
  try {
   if (name == "#canvas") {
    if (!Module["canvas"]) {
     err('pthread_create: could not find canvas with ID "' + name + '" to transfer to thread!');
     error = 28;
     break;
    }
    name = Module["canvas"].id;
   }
   if (GL.offscreenCanvases[name]) {
    offscreenCanvasInfo = GL.offscreenCanvases[name];
    GL.offscreenCanvases[name] = null;
    if (Module["canvas"] instanceof OffscreenCanvas && name === Module["canvas"].id) Module["canvas"] = null;
   } else if (!ENVIRONMENT_IS_PTHREAD) {
    var canvas = Module["canvas"] && Module["canvas"].id === name ? Module["canvas"] : document.querySelector(name);
    if (!canvas) {
     err('pthread_create: could not find canvas with ID "' + name + '" to transfer to thread!');
     error = 28;
     break;
    }
    if (canvas.controlTransferredOffscreen) {
     err('pthread_create: cannot transfer canvas with ID "' + name + '" to thread, since the current thread does not have control over it!');
     error = 63;
     break;
    }
    if (canvas.transferControlToOffscreen) {
     if (!canvas.canvasSharedPtr) {
      canvas.canvasSharedPtr = _malloc(12);
      GROWABLE_HEAP_I32()[canvas.canvasSharedPtr >>> 2] = canvas.width;
      GROWABLE_HEAP_I32()[canvas.canvasSharedPtr + 4 >>> 2] = canvas.height;
      GROWABLE_HEAP_I32()[canvas.canvasSharedPtr + 8 >>> 2] = 0;
     }
     offscreenCanvasInfo = {
      offscreenCanvas: canvas.transferControlToOffscreen(),
      canvasSharedPtr: canvas.canvasSharedPtr,
      id: canvas.id
     };
     canvas.controlTransferredOffscreen = true;
    } else {
     err('pthread_create: cannot transfer control of canvas "' + name + '" to pthread, because current browser does not support OffscreenCanvas!');
     err("pthread_create: Build with -sOFFSCREEN_FRAMEBUFFER to enable fallback proxying of GL commands from pthread to main thread.");
     return 52;
    }
   }
   if (offscreenCanvasInfo) {
    transferList.push(offscreenCanvasInfo.offscreenCanvas);
    offscreenCanvases[offscreenCanvasInfo.id] = offscreenCanvasInfo;
   }
  } catch (e) {
   err('pthread_create: failed to transfer control of canvas "' + name + '" to OffscreenCanvas! Error: ' + e);
   return 28;
  }
 }
 if (ENVIRONMENT_IS_PTHREAD && (transferList.length === 0 || error)) {
  return pthreadCreateProxied(pthread_ptr, attr, startRoutine, arg);
 }
 if (error) return error;
 for (var canvas of Object.values(offscreenCanvases)) {
  GROWABLE_HEAP_I32()[canvas.canvasSharedPtr + 8 >>> 2] = pthread_ptr;
 }
 var threadParams = {
  startRoutine: startRoutine,
  pthread_ptr: pthread_ptr,
  arg: arg,
  moduleCanvasId: moduleCanvasId,
  offscreenCanvases: offscreenCanvases,
  transferList: transferList
 };
 if (ENVIRONMENT_IS_PTHREAD) {
  threadParams.cmd = "spawnThread";
  postMessage(threadParams, transferList);
  return 0;
 }
 return spawnThread(threadParams);
}

function ___pthread_kill_js(thread, signal) {
 if (signal === 33) {
  if (!ENVIRONMENT_IS_PTHREAD) cancelThread(thread); else postMessage({
   "cmd": "cancelThread",
   "thread": thread
  });
 } else {
  if (!ENVIRONMENT_IS_PTHREAD) killThread(thread); else postMessage({
   "cmd": "killThread",
   "thread": thread
  });
 }
 return 0;
}

function ___syscall_chmod(path, mode) {
 if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(4, 1, path, mode);
 try {
  path = SYSCALLS.getStr(path);
  FS.chmod(path, mode);
  return 0;
 } catch (e) {
  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
  return -e.errno;
 }
}

function ___syscall_dup3(fd, suggestFD, flags) {
 if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(5, 1, fd, suggestFD, flags);
 try {
  var old = SYSCALLS.getStreamFromFD(fd);
  if (old.fd === suggestFD) return -28;
  var suggest = FS.getStream(suggestFD);
  if (suggest) FS.close(suggest);
  return FS.createStream(old, suggestFD, suggestFD + 1).fd;
 } catch (e) {
  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
  return -e.errno;
 }
}

function ___syscall_faccessat(dirfd, path, amode, flags) {
 if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(6, 1, dirfd, path, amode, flags);
 try {
  path = SYSCALLS.getStr(path);
  path = SYSCALLS.calculateAt(dirfd, path);
  if (amode & ~7) {
   return -28;
  }
  var lookup = FS.lookupPath(path, {
   follow: true
  });
  var node = lookup.node;
  if (!node) {
   return -44;
  }
  var perms = "";
  if (amode & 4) perms += "r";
  if (amode & 2) perms += "w";
  if (amode & 1) perms += "x";
  if (perms && FS.nodePermissions(node, perms)) {
   return -2;
  }
  return 0;
 } catch (e) {
  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
  return -e.errno;
 }
}

function ___syscall_fchmod(fd, mode) {
 if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(7, 1, fd, mode);
 try {
  FS.fchmod(fd, mode);
  return 0;
 } catch (e) {
  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
  return -e.errno;
 }
}

function ___syscall_fchown32(fd, owner, group) {
 if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(8, 1, fd, owner, group);
 try {
  FS.fchown(fd, owner, group);
  return 0;
 } catch (e) {
  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
  return -e.errno;
 }
}

function setErrNo(value) {
 GROWABLE_HEAP_I32()[___errno_location() >>> 2] = value;
 return value;
}

function ___syscall_fcntl64(fd, cmd, varargs) {
 if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(9, 1, fd, cmd, varargs);
 SYSCALLS.varargs = varargs;
 try {
  var stream = SYSCALLS.getStreamFromFD(fd);
  switch (cmd) {
  case 0:
   {
    var arg = SYSCALLS.get();
    if (arg < 0) {
     return -28;
    }
    var newStream;
    newStream = FS.createStream(stream, arg);
    return newStream.fd;
   }

  case 1:
  case 2:
   return 0;

  case 3:
   return stream.flags;

  case 4:
   {
    var arg = SYSCALLS.get();
    stream.flags |= arg;
    return 0;
   }

  case 5:
   {
    var arg = SYSCALLS.get();
    var offset = 0;
    GROWABLE_HEAP_I16()[arg + offset >>> 1] = 2;
    return 0;
   }

  case 6:
  case 7:
   return 0;

  case 16:
  case 8:
   return -28;

  case 9:
   setErrNo(28);
   return -1;

  default:
   {
    return -28;
   }
  }
 } catch (e) {
  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
  return -e.errno;
 }
}

function ___syscall_fdatasync(fd) {
 if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(10, 1, fd);
 try {
  var stream = SYSCALLS.getStreamFromFD(fd);
  return 0;
 } catch (e) {
  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
  return -e.errno;
 }
}

function ___syscall_fstat64(fd, buf) {
 if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(11, 1, fd, buf);
 try {
  var stream = SYSCALLS.getStreamFromFD(fd);
  return SYSCALLS.doStat(FS.stat, stream.path, buf);
 } catch (e) {
  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
  return -e.errno;
 }
}

var MAX_INT53 = 9007199254740992;

var MIN_INT53 = -9007199254740992;

function bigintToI53Checked(num) {
 return num < MIN_INT53 || num > MAX_INT53 ? NaN : Number(num);
}

function ___syscall_ftruncate64(fd, length) {
 if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(12, 1, fd, length);
 try {
  length = bigintToI53Checked(length);
  if (isNaN(length)) return -61;
  FS.ftruncate(fd, length);
  return 0;
 } catch (e) {
  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
  return -e.errno;
 }
}

function ___syscall_getcwd(buf, size) {
 if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(13, 1, buf, size);
 try {
  if (size === 0) return -28;
  var cwd = FS.cwd();
  var cwdLengthInBytes = lengthBytesUTF8(cwd) + 1;
  if (size < cwdLengthInBytes) return -68;
  stringToUTF8(cwd, buf, size);
  return cwdLengthInBytes;
 } catch (e) {
  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
  return -e.errno;
 }
}

function ___syscall_getdents64(fd, dirp, count) {
 if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(14, 1, fd, dirp, count);
 try {
  var stream = SYSCALLS.getStreamFromFD(fd);
  if (!stream.getdents) {
   stream.getdents = FS.readdir(stream.path);
  }
  var struct_size = 280;
  var pos = 0;
  var off = FS.llseek(stream, 0, 1);
  var idx = Math.floor(off / struct_size);
  while (idx < stream.getdents.length && pos + struct_size <= count) {
   var id;
   var type;
   var name = stream.getdents[idx];
   if (name === ".") {
    id = stream.node.id;
    type = 4;
   } else if (name === "..") {
    var lookup = FS.lookupPath(stream.path, {
     parent: true
    });
    id = lookup.node.id;
    type = 4;
   } else {
    var child = FS.lookupNode(stream.node, name);
    id = child.id;
    type = FS.isChrdev(child.mode) ? 2 : FS.isDir(child.mode) ? 4 : FS.isLink(child.mode) ? 10 : 8;
   }
   tempI64 = [ id >>> 0, (tempDouble = id, +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? (Math.min(+Math.floor(tempDouble / 4294967296), 4294967295) | 0) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0) ], 
   GROWABLE_HEAP_I32()[dirp + pos >>> 2] = tempI64[0], GROWABLE_HEAP_I32()[dirp + pos + 4 >>> 2] = tempI64[1];
   tempI64 = [ (idx + 1) * struct_size >>> 0, (tempDouble = (idx + 1) * struct_size, 
   +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? (Math.min(+Math.floor(tempDouble / 4294967296), 4294967295) | 0) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0) ], 
   GROWABLE_HEAP_I32()[dirp + pos + 8 >>> 2] = tempI64[0], GROWABLE_HEAP_I32()[dirp + pos + 12 >>> 2] = tempI64[1];
   GROWABLE_HEAP_I16()[dirp + pos + 16 >>> 1] = 280;
   GROWABLE_HEAP_I8()[dirp + pos + 18 >>> 0] = type;
   stringToUTF8(name, dirp + pos + 19, 256);
   pos += struct_size;
   idx += 1;
  }
  FS.llseek(stream, idx * struct_size, 0);
  return pos;
 } catch (e) {
  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
  return -e.errno;
 }
}

function ___syscall_ioctl(fd, op, varargs) {
 if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(15, 1, fd, op, varargs);
 SYSCALLS.varargs = varargs;
 try {
  var stream = SYSCALLS.getStreamFromFD(fd);
  switch (op) {
  case 21509:
  case 21505:
   {
    if (!stream.tty) return -59;
    return 0;
   }

  case 21510:
  case 21511:
  case 21512:
  case 21506:
  case 21507:
  case 21508:
   {
    if (!stream.tty) return -59;
    return 0;
   }

  case 21519:
   {
    if (!stream.tty) return -59;
    var argp = SYSCALLS.get();
    GROWABLE_HEAP_I32()[argp >>> 2] = 0;
    return 0;
   }

  case 21520:
   {
    if (!stream.tty) return -59;
    return -28;
   }

  case 21531:
   {
    var argp = SYSCALLS.get();
    return FS.ioctl(stream, op, argp);
   }

  case 21523:
   {
    if (!stream.tty) return -59;
    return 0;
   }

  case 21524:
   {
    if (!stream.tty) return -59;
    return 0;
   }

  default:
   return -28;
  }
 } catch (e) {
  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
  return -e.errno;
 }
}

function ___syscall_lstat64(path, buf) {
 if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(16, 1, path, buf);
 try {
  path = SYSCALLS.getStr(path);
  return SYSCALLS.doStat(FS.lstat, path, buf);
 } catch (e) {
  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
  return -e.errno;
 }
}

function ___syscall_mkdirat(dirfd, path, mode) {
 if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(17, 1, dirfd, path, mode);
 try {
  path = SYSCALLS.getStr(path);
  path = SYSCALLS.calculateAt(dirfd, path);
  path = PATH.normalize(path);
  if (path[path.length - 1] === "/") path = path.substr(0, path.length - 1);
  FS.mkdir(path, mode, 0);
  return 0;
 } catch (e) {
  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
  return -e.errno;
 }
}

function ___syscall_newfstatat(dirfd, path, buf, flags) {
 if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(18, 1, dirfd, path, buf, flags);
 try {
  path = SYSCALLS.getStr(path);
  var nofollow = flags & 256;
  var allowEmpty = flags & 4096;
  flags = flags & ~6400;
  path = SYSCALLS.calculateAt(dirfd, path, allowEmpty);
  return SYSCALLS.doStat(nofollow ? FS.lstat : FS.stat, path, buf);
 } catch (e) {
  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
  return -e.errno;
 }
}

function ___syscall_openat(dirfd, path, flags, varargs) {
 if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(19, 1, dirfd, path, flags, varargs);
 SYSCALLS.varargs = varargs;
 try {
  path = SYSCALLS.getStr(path);
  path = SYSCALLS.calculateAt(dirfd, path);
  var mode = varargs ? SYSCALLS.get() : 0;
  return FS.open(path, flags, mode).fd;
 } catch (e) {
  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
  return -e.errno;
 }
}

var PIPEFS = {
 BUCKET_BUFFER_SIZE: 8192,
 mount: function(mount) {
  return FS.createNode(null, "/", 16384 | 511, 0);
 },
 createPipe: function() {
  var pipe = {
   buckets: [],
   refcnt: 2
  };
  pipe.buckets.push({
   buffer: new Uint8Array(PIPEFS.BUCKET_BUFFER_SIZE),
   offset: 0,
   roffset: 0
  });
  var rName = PIPEFS.nextname();
  var wName = PIPEFS.nextname();
  var rNode = FS.createNode(PIPEFS.root, rName, 4096, 0);
  var wNode = FS.createNode(PIPEFS.root, wName, 4096, 0);
  rNode.pipe = pipe;
  wNode.pipe = pipe;
  var readableStream = FS.createStream({
   path: rName,
   node: rNode,
   flags: 0,
   seekable: false,
   stream_ops: PIPEFS.stream_ops
  });
  rNode.stream = readableStream;
  var writableStream = FS.createStream({
   path: wName,
   node: wNode,
   flags: 1,
   seekable: false,
   stream_ops: PIPEFS.stream_ops
  });
  wNode.stream = writableStream;
  return {
   readable_fd: readableStream.fd,
   writable_fd: writableStream.fd
  };
 },
 stream_ops: {
  poll: function(stream) {
   var pipe = stream.node.pipe;
   if ((stream.flags & 2097155) === 1) {
    return 256 | 4;
   }
   if (pipe.buckets.length > 0) {
    for (var i = 0; i < pipe.buckets.length; i++) {
     var bucket = pipe.buckets[i];
     if (bucket.offset - bucket.roffset > 0) {
      return 64 | 1;
     }
    }
   }
   return 0;
  },
  ioctl: function(stream, request, varargs) {
   return 28;
  },
  fsync: function(stream) {
   return 28;
  },
  read: function(stream, buffer, offset, length, position) {
   var pipe = stream.node.pipe;
   var currentLength = 0;
   for (var i = 0; i < pipe.buckets.length; i++) {
    var bucket = pipe.buckets[i];
    currentLength += bucket.offset - bucket.roffset;
   }
   assert(buffer instanceof ArrayBuffer || buffer instanceof SharedArrayBuffer || ArrayBuffer.isView(buffer));
   var data = buffer.subarray(offset, offset + length);
   if (length <= 0) {
    return 0;
   }
   if (currentLength == 0) {
    throw new FS.ErrnoError(6);
   }
   var toRead = Math.min(currentLength, length);
   var totalRead = toRead;
   var toRemove = 0;
   for (var i = 0; i < pipe.buckets.length; i++) {
    var currBucket = pipe.buckets[i];
    var bucketSize = currBucket.offset - currBucket.roffset;
    if (toRead <= bucketSize) {
     var tmpSlice = currBucket.buffer.subarray(currBucket.roffset, currBucket.offset);
     if (toRead < bucketSize) {
      tmpSlice = tmpSlice.subarray(0, toRead);
      currBucket.roffset += toRead;
     } else {
      toRemove++;
     }
     data.set(tmpSlice);
     break;
    } else {
     var tmpSlice = currBucket.buffer.subarray(currBucket.roffset, currBucket.offset);
     data.set(tmpSlice);
     data = data.subarray(tmpSlice.byteLength);
     toRead -= tmpSlice.byteLength;
     toRemove++;
    }
   }
   if (toRemove && toRemove == pipe.buckets.length) {
    toRemove--;
    pipe.buckets[toRemove].offset = 0;
    pipe.buckets[toRemove].roffset = 0;
   }
   pipe.buckets.splice(0, toRemove);
   return totalRead;
  },
  write: function(stream, buffer, offset, length, position) {
   var pipe = stream.node.pipe;
   assert(buffer instanceof ArrayBuffer || buffer instanceof SharedArrayBuffer || ArrayBuffer.isView(buffer));
   var data = buffer.subarray(offset, offset + length);
   var dataLen = data.byteLength;
   if (dataLen <= 0) {
    return 0;
   }
   var currBucket = null;
   if (pipe.buckets.length == 0) {
    currBucket = {
     buffer: new Uint8Array(PIPEFS.BUCKET_BUFFER_SIZE),
     offset: 0,
     roffset: 0
    };
    pipe.buckets.push(currBucket);
   } else {
    currBucket = pipe.buckets[pipe.buckets.length - 1];
   }
   assert(currBucket.offset <= PIPEFS.BUCKET_BUFFER_SIZE);
   var freeBytesInCurrBuffer = PIPEFS.BUCKET_BUFFER_SIZE - currBucket.offset;
   if (freeBytesInCurrBuffer >= dataLen) {
    currBucket.buffer.set(data, currBucket.offset);
    currBucket.offset += dataLen;
    return dataLen;
   } else if (freeBytesInCurrBuffer > 0) {
    currBucket.buffer.set(data.subarray(0, freeBytesInCurrBuffer), currBucket.offset);
    currBucket.offset += freeBytesInCurrBuffer;
    data = data.subarray(freeBytesInCurrBuffer, data.byteLength);
   }
   var numBuckets = data.byteLength / PIPEFS.BUCKET_BUFFER_SIZE | 0;
   var remElements = data.byteLength % PIPEFS.BUCKET_BUFFER_SIZE;
   for (var i = 0; i < numBuckets; i++) {
    var newBucket = {
     buffer: new Uint8Array(PIPEFS.BUCKET_BUFFER_SIZE),
     offset: PIPEFS.BUCKET_BUFFER_SIZE,
     roffset: 0
    };
    pipe.buckets.push(newBucket);
    newBucket.buffer.set(data.subarray(0, PIPEFS.BUCKET_BUFFER_SIZE));
    data = data.subarray(PIPEFS.BUCKET_BUFFER_SIZE, data.byteLength);
   }
   if (remElements > 0) {
    var newBucket = {
     buffer: new Uint8Array(PIPEFS.BUCKET_BUFFER_SIZE),
     offset: data.byteLength,
     roffset: 0
    };
    pipe.buckets.push(newBucket);
    newBucket.buffer.set(data);
   }
   return dataLen;
  },
  close: function(stream) {
   var pipe = stream.node.pipe;
   pipe.refcnt--;
   if (pipe.refcnt === 0) {
    pipe.buckets = null;
   }
  }
 },
 nextname: function() {
  if (!PIPEFS.nextname.current) {
   PIPEFS.nextname.current = 0;
  }
  return "pipe[" + PIPEFS.nextname.current++ + "]";
 }
};

function ___syscall_pipe(fdPtr) {
 if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(20, 1, fdPtr);
 try {
  if (fdPtr == 0) {
   throw new FS.ErrnoError(21);
  }
  var res = PIPEFS.createPipe();
  GROWABLE_HEAP_I32()[fdPtr >>> 2] = res.readable_fd;
  GROWABLE_HEAP_I32()[fdPtr + 4 >>> 2] = res.writable_fd;
  return 0;
 } catch (e) {
  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
  return -e.errno;
 }
}

function ___syscall_readlinkat(dirfd, path, buf, bufsize) {
 if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(21, 1, dirfd, path, buf, bufsize);
 try {
  path = SYSCALLS.getStr(path);
  path = SYSCALLS.calculateAt(dirfd, path);
  if (bufsize <= 0) return -28;
  var ret = FS.readlink(path);
  var len = Math.min(bufsize, lengthBytesUTF8(ret));
  var endChar = GROWABLE_HEAP_I8()[buf + len >>> 0];
  stringToUTF8(ret, buf, bufsize + 1);
  GROWABLE_HEAP_I8()[buf + len >>> 0] = endChar;
  return len;
 } catch (e) {
  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
  return -e.errno;
 }
}

function ___syscall_renameat(olddirfd, oldpath, newdirfd, newpath) {
 if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(22, 1, olddirfd, oldpath, newdirfd, newpath);
 try {
  oldpath = SYSCALLS.getStr(oldpath);
  newpath = SYSCALLS.getStr(newpath);
  oldpath = SYSCALLS.calculateAt(olddirfd, oldpath);
  newpath = SYSCALLS.calculateAt(newdirfd, newpath);
  FS.rename(oldpath, newpath);
  return 0;
 } catch (e) {
  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
  return -e.errno;
 }
}

function ___syscall_rmdir(path) {
 if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(23, 1, path);
 try {
  path = SYSCALLS.getStr(path);
  FS.rmdir(path);
  return 0;
 } catch (e) {
  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
  return -e.errno;
 }
}

function ___syscall_stat64(path, buf) {
 if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(24, 1, path, buf);
 try {
  path = SYSCALLS.getStr(path);
  return SYSCALLS.doStat(FS.stat, path, buf);
 } catch (e) {
  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
  return -e.errno;
 }
}

function ___syscall_statfs64(path, size, buf) {
 if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(25, 1, path, size, buf);
 try {
  path = SYSCALLS.getStr(path);
  GROWABLE_HEAP_I32()[buf + 4 >>> 2] = 4096;
  GROWABLE_HEAP_I32()[buf + 40 >>> 2] = 4096;
  GROWABLE_HEAP_I32()[buf + 8 >>> 2] = 1e6;
  GROWABLE_HEAP_I32()[buf + 12 >>> 2] = 5e5;
  GROWABLE_HEAP_I32()[buf + 16 >>> 2] = 5e5;
  GROWABLE_HEAP_I32()[buf + 20 >>> 2] = FS.nextInode;
  GROWABLE_HEAP_I32()[buf + 24 >>> 2] = 1e6;
  GROWABLE_HEAP_I32()[buf + 28 >>> 2] = 42;
  GROWABLE_HEAP_I32()[buf + 44 >>> 2] = 2;
  GROWABLE_HEAP_I32()[buf + 36 >>> 2] = 255;
  return 0;
 } catch (e) {
  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
  return -e.errno;
 }
}

function ___syscall_unlinkat(dirfd, path, flags) {
 if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(26, 1, dirfd, path, flags);
 try {
  path = SYSCALLS.getStr(path);
  path = SYSCALLS.calculateAt(dirfd, path);
  if (flags === 0) {
   FS.unlink(path);
  } else if (flags === 512) {
   FS.rmdir(path);
  } else {
   abort("Invalid flags passed to unlinkat");
  }
  return 0;
 } catch (e) {
  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
  return -e.errno;
 }
}

function readI53FromI64(ptr) {
 return GROWABLE_HEAP_U32()[ptr >>> 2] + GROWABLE_HEAP_I32()[ptr + 4 >>> 2] * 4294967296;
}

function ___syscall_utimensat(dirfd, path, times, flags) {
 if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(27, 1, dirfd, path, times, flags);
 try {
  path = SYSCALLS.getStr(path);
  path = SYSCALLS.calculateAt(dirfd, path, true);
  if (!times) {
   var atime = Date.now();
   var mtime = atime;
  } else {
   var seconds = readI53FromI64(times);
   var nanoseconds = GROWABLE_HEAP_I32()[times + 8 >>> 2];
   atime = seconds * 1e3 + nanoseconds / (1e3 * 1e3);
   times += 16;
   seconds = readI53FromI64(times);
   nanoseconds = GROWABLE_HEAP_I32()[times + 8 >>> 2];
   mtime = seconds * 1e3 + nanoseconds / (1e3 * 1e3);
  }
  FS.utime(path, atime, mtime);
  return 0;
 } catch (e) {
  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
  return -e.errno;
 }
}

function __dlinit(main_dso_handle) {}

var dlopenMissingError = "To use dlopen, you need enable dynamic linking, see https://github.com/emscripten-core/emscripten/wiki/Linking";

function __dlopen_js(handle) {
 abort(dlopenMissingError);
}

function __dlsym_catchup_js(handle, symbolIndex) {
 abort(dlopenMissingError);
}

function __dlsym_js(handle, symbol) {
 abort(dlopenMissingError);
}

var structRegistrations = {};

function runDestructors(destructors) {
 while (destructors.length) {
  var ptr = destructors.pop();
  var del = destructors.pop();
  del(ptr);
 }
}

function simpleReadValueFromPointer(pointer) {
 return this["fromWireType"](GROWABLE_HEAP_I32()[pointer >>> 2]);
}

var awaitingDependencies = {};

var registeredTypes = {};

var typeDependencies = {};

var char_0 = 48;

var char_9 = 57;

function makeLegalFunctionName(name) {
 if (undefined === name) {
  return "_unknown";
 }
 name = name.replace(/[^a-zA-Z0-9_]/g, "$");
 var f = name.charCodeAt(0);
 if (f >= char_0 && f <= char_9) {
  return "_" + name;
 }
 return name;
}

function createNamedFunction(name, body) {
 name = makeLegalFunctionName(name);
 return new Function("body", "return function " + name + "() {\n" + '    "use strict";' + "    return body.apply(this, arguments);\n" + "};\n")(body);
}

function extendError(baseErrorType, errorName) {
 var errorClass = createNamedFunction(errorName, function(message) {
  this.name = errorName;
  this.message = message;
  var stack = new Error(message).stack;
  if (stack !== undefined) {
   this.stack = this.toString() + "\n" + stack.replace(/^Error(:[^\n]*)?\n/, "");
  }
 });
 errorClass.prototype = Object.create(baseErrorType.prototype);
 errorClass.prototype.constructor = errorClass;
 errorClass.prototype.toString = function() {
  if (this.message === undefined) {
   return this.name;
  } else {
   return this.name + ": " + this.message;
  }
 };
 return errorClass;
}

var InternalError = undefined;

function throwInternalError(message) {
 throw new InternalError(message);
}

function whenDependentTypesAreResolved(myTypes, dependentTypes, getTypeConverters) {
 myTypes.forEach(function(type) {
  typeDependencies[type] = dependentTypes;
 });
 function onComplete(typeConverters) {
  var myTypeConverters = getTypeConverters(typeConverters);
  if (myTypeConverters.length !== myTypes.length) {
   throwInternalError("Mismatched type converter count");
  }
  for (var i = 0; i < myTypes.length; ++i) {
   registerType(myTypes[i], myTypeConverters[i]);
  }
 }
 var typeConverters = new Array(dependentTypes.length);
 var unregisteredTypes = [];
 var registered = 0;
 dependentTypes.forEach((dt, i) => {
  if (registeredTypes.hasOwnProperty(dt)) {
   typeConverters[i] = registeredTypes[dt];
  } else {
   unregisteredTypes.push(dt);
   if (!awaitingDependencies.hasOwnProperty(dt)) {
    awaitingDependencies[dt] = [];
   }
   awaitingDependencies[dt].push(() => {
    typeConverters[i] = registeredTypes[dt];
    ++registered;
    if (registered === unregisteredTypes.length) {
     onComplete(typeConverters);
    }
   });
  }
 });
 if (0 === unregisteredTypes.length) {
  onComplete(typeConverters);
 }
}

function __embind_finalize_value_object(structType) {
 var reg = structRegistrations[structType];
 delete structRegistrations[structType];
 var rawConstructor = reg.rawConstructor;
 var rawDestructor = reg.rawDestructor;
 var fieldRecords = reg.fields;
 var fieldTypes = fieldRecords.map(field => field.getterReturnType).concat(fieldRecords.map(field => field.setterArgumentType));
 whenDependentTypesAreResolved([ structType ], fieldTypes, fieldTypes => {
  var fields = {};
  fieldRecords.forEach((field, i) => {
   var fieldName = field.fieldName;
   var getterReturnType = fieldTypes[i];
   var getter = field.getter;
   var getterContext = field.getterContext;
   var setterArgumentType = fieldTypes[i + fieldRecords.length];
   var setter = field.setter;
   var setterContext = field.setterContext;
   fields[fieldName] = {
    read: ptr => {
     return getterReturnType["fromWireType"](getter(getterContext, ptr));
    },
    write: (ptr, o) => {
     var destructors = [];
     setter(setterContext, ptr, setterArgumentType["toWireType"](destructors, o));
     runDestructors(destructors);
    }
   };
  });
  return [ {
   name: reg.name,
   "fromWireType": function(ptr) {
    var rv = {};
    for (var i in fields) {
     rv[i] = fields[i].read(ptr);
    }
    rawDestructor(ptr);
    return rv;
   },
   "toWireType": function(destructors, o) {
    for (var fieldName in fields) {
     if (!(fieldName in o)) {
      throw new TypeError('Missing field:  "' + fieldName + '"');
     }
    }
    var ptr = rawConstructor();
    for (fieldName in fields) {
     fields[fieldName].write(ptr, o[fieldName]);
    }
    if (destructors !== null) {
     destructors.push(rawDestructor, ptr);
    }
    return ptr;
   },
   "argPackAdvance": 8,
   "readValueFromPointer": simpleReadValueFromPointer,
   destructorFunction: rawDestructor
  } ];
 });
}

function embindRepr(v) {
 if (v === null) {
  return "null";
 }
 var t = typeof v;
 if (t === "object" || t === "array" || t === "function") {
  return v.toString();
 } else {
  return "" + v;
 }
}

function embind_init_charCodes() {
 var codes = new Array(256);
 for (var i = 0; i < 256; ++i) {
  codes[i] = String.fromCharCode(i);
 }
 embind_charCodes = codes;
}

var embind_charCodes = undefined;

function readLatin1String(ptr) {
 var ret = "";
 var c = ptr;
 while (GROWABLE_HEAP_U8()[c >>> 0]) {
  ret += embind_charCodes[GROWABLE_HEAP_U8()[c++ >>> 0]];
 }
 return ret;
}

var BindingError = undefined;

function throwBindingError(message) {
 throw new BindingError(message);
}

function registerType(rawType, registeredInstance, options = {}) {
 if (!("argPackAdvance" in registeredInstance)) {
  throw new TypeError("registerType registeredInstance requires argPackAdvance");
 }
 var name = registeredInstance.name;
 if (!rawType) {
  throwBindingError('type "' + name + '" must have a positive integer typeid pointer');
 }
 if (registeredTypes.hasOwnProperty(rawType)) {
  if (options.ignoreDuplicateRegistrations) {
   return;
  } else {
   throwBindingError("Cannot register type '" + name + "' twice");
  }
 }
 registeredTypes[rawType] = registeredInstance;
 delete typeDependencies[rawType];
 if (awaitingDependencies.hasOwnProperty(rawType)) {
  var callbacks = awaitingDependencies[rawType];
  delete awaitingDependencies[rawType];
  callbacks.forEach(cb => cb());
 }
}

function integerReadValueFromPointer(name, shift, signed) {
 switch (shift) {
 case 0:
  return signed ? function readS8FromPointer(pointer) {
   return GROWABLE_HEAP_I8()[pointer >>> 0];
  } : function readU8FromPointer(pointer) {
   return GROWABLE_HEAP_U8()[pointer >>> 0];
  };

 case 1:
  return signed ? function readS16FromPointer(pointer) {
   return GROWABLE_HEAP_I16()[pointer >>> 1];
  } : function readU16FromPointer(pointer) {
   return GROWABLE_HEAP_U16()[pointer >>> 1];
  };

 case 2:
  return signed ? function readS32FromPointer(pointer) {
   return GROWABLE_HEAP_I32()[pointer >>> 2];
  } : function readU32FromPointer(pointer) {
   return GROWABLE_HEAP_U32()[pointer >>> 2];
  };

 case 3:
  return signed ? function readS64FromPointer(pointer) {
   return HEAP64[pointer >> 3];
  } : function readU64FromPointer(pointer) {
   return HEAPU64[pointer >> 3];
  };

 default:
  throw new TypeError("Unknown integer type: " + name);
 }
}

function __embind_register_bigint(primitiveType, name, size, minRange, maxRange) {
 name = readLatin1String(name);
 var shift = getShiftFromSize(size);
 var isUnsignedType = name.indexOf("u") != -1;
 if (isUnsignedType) {
  maxRange = (1n << 64n) - 1n;
 }
 registerType(primitiveType, {
  name: name,
  "fromWireType": function(value) {
   return value;
  },
  "toWireType": function(destructors, value) {
   if (typeof value != "bigint" && typeof value != "number") {
    throw new TypeError('Cannot convert "' + embindRepr(value) + '" to ' + this.name);
   }
   if (value < minRange || value > maxRange) {
    throw new TypeError('Passing a number "' + embindRepr(value) + '" from JS side to C/C++ side to an argument of type "' + name + '", which is outside the valid range [' + minRange + ", " + maxRange + "]!");
   }
   return value;
  },
  "argPackAdvance": 8,
  "readValueFromPointer": integerReadValueFromPointer(name, shift, !isUnsignedType),
  destructorFunction: null
 });
}

function getShiftFromSize(size) {
 switch (size) {
 case 1:
  return 0;

 case 2:
  return 1;

 case 4:
  return 2;

 case 8:
  return 3;

 default:
  throw new TypeError("Unknown type size: " + size);
 }
}

function __embind_register_bool(rawType, name, size, trueValue, falseValue) {
 var shift = getShiftFromSize(size);
 name = readLatin1String(name);
 registerType(rawType, {
  name: name,
  "fromWireType": function(wt) {
   return !!wt;
  },
  "toWireType": function(destructors, o) {
   return o ? trueValue : falseValue;
  },
  "argPackAdvance": 8,
  "readValueFromPointer": function(pointer) {
   var heap;
   if (size === 1) {
    heap = GROWABLE_HEAP_I8();
   } else if (size === 2) {
    heap = GROWABLE_HEAP_I16();
   } else if (size === 4) {
    heap = GROWABLE_HEAP_I32();
   } else {
    throw new TypeError("Unknown boolean type size: " + name);
   }
   return this["fromWireType"](heap[pointer >>> shift]);
  },
  destructorFunction: null
 });
}

function ClassHandle_isAliasOf(other) {
 if (!(this instanceof ClassHandle)) {
  return false;
 }
 if (!(other instanceof ClassHandle)) {
  return false;
 }
 var leftClass = this.$$.ptrType.registeredClass;
 var left = this.$$.ptr;
 var rightClass = other.$$.ptrType.registeredClass;
 var right = other.$$.ptr;
 while (leftClass.baseClass) {
  left = leftClass.upcast(left);
  leftClass = leftClass.baseClass;
 }
 while (rightClass.baseClass) {
  right = rightClass.upcast(right);
  rightClass = rightClass.baseClass;
 }
 return leftClass === rightClass && left === right;
}

function shallowCopyInternalPointer(o) {
 return {
  count: o.count,
  deleteScheduled: o.deleteScheduled,
  preservePointerOnDelete: o.preservePointerOnDelete,
  ptr: o.ptr,
  ptrType: o.ptrType,
  smartPtr: o.smartPtr,
  smartPtrType: o.smartPtrType
 };
}

function throwInstanceAlreadyDeleted(obj) {
 function getInstanceTypeName(handle) {
  return handle.$$.ptrType.registeredClass.name;
 }
 throwBindingError(getInstanceTypeName(obj) + " instance already deleted");
}

var finalizationRegistry = false;

function detachFinalizer(handle) {}

function runDestructor($$) {
 if ($$.smartPtr) {
  $$.smartPtrType.rawDestructor($$.smartPtr);
 } else {
  $$.ptrType.registeredClass.rawDestructor($$.ptr);
 }
}

function releaseClassHandle($$) {
 $$.count.value -= 1;
 var toDelete = 0 === $$.count.value;
 if (toDelete) {
  runDestructor($$);
 }
}

function downcastPointer(ptr, ptrClass, desiredClass) {
 if (ptrClass === desiredClass) {
  return ptr;
 }
 if (undefined === desiredClass.baseClass) {
  return null;
 }
 var rv = downcastPointer(ptr, ptrClass, desiredClass.baseClass);
 if (rv === null) {
  return null;
 }
 return desiredClass.downcast(rv);
}

var registeredPointers = {};

function getInheritedInstanceCount() {
 return Object.keys(registeredInstances).length;
}

function getLiveInheritedInstances() {
 var rv = [];
 for (var k in registeredInstances) {
  if (registeredInstances.hasOwnProperty(k)) {
   rv.push(registeredInstances[k]);
  }
 }
 return rv;
}

var deletionQueue = [];

function flushPendingDeletes() {
 while (deletionQueue.length) {
  var obj = deletionQueue.pop();
  obj.$$.deleteScheduled = false;
  obj["delete"]();
 }
}

var delayFunction = undefined;

function setDelayFunction(fn) {
 delayFunction = fn;
 if (deletionQueue.length && delayFunction) {
  delayFunction(flushPendingDeletes);
 }
}

function init_embind() {
 Module["getInheritedInstanceCount"] = getInheritedInstanceCount;
 Module["getLiveInheritedInstances"] = getLiveInheritedInstances;
 Module["flushPendingDeletes"] = flushPendingDeletes;
 Module["setDelayFunction"] = setDelayFunction;
}

var registeredInstances = {};

function getBasestPointer(class_, ptr) {
 if (ptr === undefined) {
  throwBindingError("ptr should not be undefined");
 }
 while (class_.baseClass) {
  ptr = class_.upcast(ptr);
  class_ = class_.baseClass;
 }
 return ptr;
}

function getInheritedInstance(class_, ptr) {
 ptr = getBasestPointer(class_, ptr);
 return registeredInstances[ptr];
}

function makeClassHandle(prototype, record) {
 if (!record.ptrType || !record.ptr) {
  throwInternalError("makeClassHandle requires ptr and ptrType");
 }
 var hasSmartPtrType = !!record.smartPtrType;
 var hasSmartPtr = !!record.smartPtr;
 if (hasSmartPtrType !== hasSmartPtr) {
  throwInternalError("Both smartPtrType and smartPtr must be specified");
 }
 record.count = {
  value: 1
 };
 return attachFinalizer(Object.create(prototype, {
  $$: {
   value: record
  }
 }));
}

function RegisteredPointer_fromWireType(ptr) {
 var rawPointer = this.getPointee(ptr);
 if (!rawPointer) {
  this.destructor(ptr);
  return null;
 }
 var registeredInstance = getInheritedInstance(this.registeredClass, rawPointer);
 if (undefined !== registeredInstance) {
  if (0 === registeredInstance.$$.count.value) {
   registeredInstance.$$.ptr = rawPointer;
   registeredInstance.$$.smartPtr = ptr;
   return registeredInstance["clone"]();
  } else {
   var rv = registeredInstance["clone"]();
   this.destructor(ptr);
   return rv;
  }
 }
 function makeDefaultHandle() {
  if (this.isSmartPointer) {
   return makeClassHandle(this.registeredClass.instancePrototype, {
    ptrType: this.pointeeType,
    ptr: rawPointer,
    smartPtrType: this,
    smartPtr: ptr
   });
  } else {
   return makeClassHandle(this.registeredClass.instancePrototype, {
    ptrType: this,
    ptr: ptr
   });
  }
 }
 var actualType = this.registeredClass.getActualType(rawPointer);
 var registeredPointerRecord = registeredPointers[actualType];
 if (!registeredPointerRecord) {
  return makeDefaultHandle.call(this);
 }
 var toType;
 if (this.isConst) {
  toType = registeredPointerRecord.constPointerType;
 } else {
  toType = registeredPointerRecord.pointerType;
 }
 var dp = downcastPointer(rawPointer, this.registeredClass, toType.registeredClass);
 if (dp === null) {
  return makeDefaultHandle.call(this);
 }
 if (this.isSmartPointer) {
  return makeClassHandle(toType.registeredClass.instancePrototype, {
   ptrType: toType,
   ptr: dp,
   smartPtrType: this,
   smartPtr: ptr
  });
 } else {
  return makeClassHandle(toType.registeredClass.instancePrototype, {
   ptrType: toType,
   ptr: dp
  });
 }
}

function attachFinalizer(handle) {
 if ("undefined" === typeof FinalizationRegistry) {
  attachFinalizer = handle => handle;
  return handle;
 }
 finalizationRegistry = new FinalizationRegistry(info => {
  releaseClassHandle(info.$$);
 });
 attachFinalizer = handle => {
  var $$ = handle.$$;
  var hasSmartPtr = !!$$.smartPtr;
  if (hasSmartPtr) {
   var info = {
    $$: $$
   };
   finalizationRegistry.register(handle, info, handle);
  }
  return handle;
 };
 detachFinalizer = handle => finalizationRegistry.unregister(handle);
 return attachFinalizer(handle);
}

function ClassHandle_clone() {
 if (!this.$$.ptr) {
  throwInstanceAlreadyDeleted(this);
 }
 if (this.$$.preservePointerOnDelete) {
  this.$$.count.value += 1;
  return this;
 } else {
  var clone = attachFinalizer(Object.create(Object.getPrototypeOf(this), {
   $$: {
    value: shallowCopyInternalPointer(this.$$)
   }
  }));
  clone.$$.count.value += 1;
  clone.$$.deleteScheduled = false;
  return clone;
 }
}

function ClassHandle_delete() {
 if (!this.$$.ptr) {
  throwInstanceAlreadyDeleted(this);
 }
 if (this.$$.deleteScheduled && !this.$$.preservePointerOnDelete) {
  throwBindingError("Object already scheduled for deletion");
 }
 detachFinalizer(this);
 releaseClassHandle(this.$$);
 if (!this.$$.preservePointerOnDelete) {
  this.$$.smartPtr = undefined;
  this.$$.ptr = undefined;
 }
}

function ClassHandle_isDeleted() {
 return !this.$$.ptr;
}

function ClassHandle_deleteLater() {
 if (!this.$$.ptr) {
  throwInstanceAlreadyDeleted(this);
 }
 if (this.$$.deleteScheduled && !this.$$.preservePointerOnDelete) {
  throwBindingError("Object already scheduled for deletion");
 }
 deletionQueue.push(this);
 if (deletionQueue.length === 1 && delayFunction) {
  delayFunction(flushPendingDeletes);
 }
 this.$$.deleteScheduled = true;
 return this;
}

function init_ClassHandle() {
 ClassHandle.prototype["isAliasOf"] = ClassHandle_isAliasOf;
 ClassHandle.prototype["clone"] = ClassHandle_clone;
 ClassHandle.prototype["delete"] = ClassHandle_delete;
 ClassHandle.prototype["isDeleted"] = ClassHandle_isDeleted;
 ClassHandle.prototype["deleteLater"] = ClassHandle_deleteLater;
}

function ClassHandle() {}

function ensureOverloadTable(proto, methodName, humanName) {
 if (undefined === proto[methodName].overloadTable) {
  var prevFunc = proto[methodName];
  proto[methodName] = function() {
   if (!proto[methodName].overloadTable.hasOwnProperty(arguments.length)) {
    throwBindingError("Function '" + humanName + "' called with an invalid number of arguments (" + arguments.length + ") - expects one of (" + proto[methodName].overloadTable + ")!");
   }
   return proto[methodName].overloadTable[arguments.length].apply(this, arguments);
  };
  proto[methodName].overloadTable = [];
  proto[methodName].overloadTable[prevFunc.argCount] = prevFunc;
 }
}

function exposePublicSymbol(name, value, numArguments) {
 if (Module.hasOwnProperty(name)) {
  if (undefined === numArguments || undefined !== Module[name].overloadTable && undefined !== Module[name].overloadTable[numArguments]) {
   throwBindingError("Cannot register public name '" + name + "' twice");
  }
  ensureOverloadTable(Module, name, name);
  if (Module.hasOwnProperty(numArguments)) {
   throwBindingError("Cannot register multiple overloads of a function with the same number of arguments (" + numArguments + ")!");
  }
  Module[name].overloadTable[numArguments] = value;
 } else {
  Module[name] = value;
  if (undefined !== numArguments) {
   Module[name].numArguments = numArguments;
  }
 }
}

function RegisteredClass(name, constructor, instancePrototype, rawDestructor, baseClass, getActualType, upcast, downcast) {
 this.name = name;
 this.constructor = constructor;
 this.instancePrototype = instancePrototype;
 this.rawDestructor = rawDestructor;
 this.baseClass = baseClass;
 this.getActualType = getActualType;
 this.upcast = upcast;
 this.downcast = downcast;
 this.pureVirtualFunctions = [];
}

function upcastPointer(ptr, ptrClass, desiredClass) {
 while (ptrClass !== desiredClass) {
  if (!ptrClass.upcast) {
   throwBindingError("Expected null or instance of " + desiredClass.name + ", got an instance of " + ptrClass.name);
  }
  ptr = ptrClass.upcast(ptr);
  ptrClass = ptrClass.baseClass;
 }
 return ptr;
}

function constNoSmartPtrRawPointerToWireType(destructors, handle) {
 if (handle === null) {
  if (this.isReference) {
   throwBindingError("null is not a valid " + this.name);
  }
  return 0;
 }
 if (!handle.$$) {
  throwBindingError('Cannot pass "' + embindRepr(handle) + '" as a ' + this.name);
 }
 if (!handle.$$.ptr) {
  throwBindingError("Cannot pass deleted object as a pointer of type " + this.name);
 }
 var handleClass = handle.$$.ptrType.registeredClass;
 var ptr = upcastPointer(handle.$$.ptr, handleClass, this.registeredClass);
 return ptr;
}

function genericPointerToWireType(destructors, handle) {
 var ptr;
 if (handle === null) {
  if (this.isReference) {
   throwBindingError("null is not a valid " + this.name);
  }
  if (this.isSmartPointer) {
   ptr = this.rawConstructor();
   if (destructors !== null) {
    destructors.push(this.rawDestructor, ptr);
   }
   return ptr;
  } else {
   return 0;
  }
 }
 if (!handle.$$) {
  throwBindingError('Cannot pass "' + embindRepr(handle) + '" as a ' + this.name);
 }
 if (!handle.$$.ptr) {
  throwBindingError("Cannot pass deleted object as a pointer of type " + this.name);
 }
 if (!this.isConst && handle.$$.ptrType.isConst) {
  throwBindingError("Cannot convert argument of type " + (handle.$$.smartPtrType ? handle.$$.smartPtrType.name : handle.$$.ptrType.name) + " to parameter type " + this.name);
 }
 var handleClass = handle.$$.ptrType.registeredClass;
 ptr = upcastPointer(handle.$$.ptr, handleClass, this.registeredClass);
 if (this.isSmartPointer) {
  if (undefined === handle.$$.smartPtr) {
   throwBindingError("Passing raw pointer to smart pointer is illegal");
  }
  switch (this.sharingPolicy) {
  case 0:
   if (handle.$$.smartPtrType === this) {
    ptr = handle.$$.smartPtr;
   } else {
    throwBindingError("Cannot convert argument of type " + (handle.$$.smartPtrType ? handle.$$.smartPtrType.name : handle.$$.ptrType.name) + " to parameter type " + this.name);
   }
   break;

  case 1:
   ptr = handle.$$.smartPtr;
   break;

  case 2:
   if (handle.$$.smartPtrType === this) {
    ptr = handle.$$.smartPtr;
   } else {
    var clonedHandle = handle["clone"]();
    ptr = this.rawShare(ptr, Emval.toHandle(function() {
     clonedHandle["delete"]();
    }));
    if (destructors !== null) {
     destructors.push(this.rawDestructor, ptr);
    }
   }
   break;

  default:
   throwBindingError("Unsupporting sharing policy");
  }
 }
 return ptr;
}

function nonConstNoSmartPtrRawPointerToWireType(destructors, handle) {
 if (handle === null) {
  if (this.isReference) {
   throwBindingError("null is not a valid " + this.name);
  }
  return 0;
 }
 if (!handle.$$) {
  throwBindingError('Cannot pass "' + embindRepr(handle) + '" as a ' + this.name);
 }
 if (!handle.$$.ptr) {
  throwBindingError("Cannot pass deleted object as a pointer of type " + this.name);
 }
 if (handle.$$.ptrType.isConst) {
  throwBindingError("Cannot convert argument of type " + handle.$$.ptrType.name + " to parameter type " + this.name);
 }
 var handleClass = handle.$$.ptrType.registeredClass;
 var ptr = upcastPointer(handle.$$.ptr, handleClass, this.registeredClass);
 return ptr;
}

function RegisteredPointer_getPointee(ptr) {
 if (this.rawGetPointee) {
  ptr = this.rawGetPointee(ptr);
 }
 return ptr;
}

function RegisteredPointer_destructor(ptr) {
 if (this.rawDestructor) {
  this.rawDestructor(ptr);
 }
}

function RegisteredPointer_deleteObject(handle) {
 if (handle !== null) {
  handle["delete"]();
 }
}

function init_RegisteredPointer() {
 RegisteredPointer.prototype.getPointee = RegisteredPointer_getPointee;
 RegisteredPointer.prototype.destructor = RegisteredPointer_destructor;
 RegisteredPointer.prototype["argPackAdvance"] = 8;
 RegisteredPointer.prototype["readValueFromPointer"] = simpleReadValueFromPointer;
 RegisteredPointer.prototype["deleteObject"] = RegisteredPointer_deleteObject;
 RegisteredPointer.prototype["fromWireType"] = RegisteredPointer_fromWireType;
}

function RegisteredPointer(name, registeredClass, isReference, isConst, isSmartPointer, pointeeType, sharingPolicy, rawGetPointee, rawConstructor, rawShare, rawDestructor) {
 this.name = name;
 this.registeredClass = registeredClass;
 this.isReference = isReference;
 this.isConst = isConst;
 this.isSmartPointer = isSmartPointer;
 this.pointeeType = pointeeType;
 this.sharingPolicy = sharingPolicy;
 this.rawGetPointee = rawGetPointee;
 this.rawConstructor = rawConstructor;
 this.rawShare = rawShare;
 this.rawDestructor = rawDestructor;
 if (!isSmartPointer && registeredClass.baseClass === undefined) {
  if (isConst) {
   this["toWireType"] = constNoSmartPtrRawPointerToWireType;
   this.destructorFunction = null;
  } else {
   this["toWireType"] = nonConstNoSmartPtrRawPointerToWireType;
   this.destructorFunction = null;
  }
 } else {
  this["toWireType"] = genericPointerToWireType;
 }
}

function replacePublicSymbol(name, value, numArguments) {
 if (!Module.hasOwnProperty(name)) {
  throwInternalError("Replacing nonexistant public symbol");
 }
 if (undefined !== Module[name].overloadTable && undefined !== numArguments) {
  Module[name].overloadTable[numArguments] = value;
 } else {
  Module[name] = value;
  Module[name].argCount = numArguments;
 }
}

function embind__requireFunction(signature, rawFunction) {
 signature = readLatin1String(signature);
 function makeDynCaller() {
  return getWasmTableEntry(rawFunction);
 }
 var fp = makeDynCaller();
 if (typeof fp != "function") {
  throwBindingError("unknown function pointer with signature " + signature + ": " + rawFunction);
 }
 return fp;
}

var UnboundTypeError = undefined;

function getTypeName(type) {
 var ptr = ___getTypeName(type);
 var rv = readLatin1String(ptr);
 _free(ptr);
 return rv;
}

function throwUnboundTypeError(message, types) {
 var unboundTypes = [];
 var seen = {};
 function visit(type) {
  if (seen[type]) {
   return;
  }
  if (registeredTypes[type]) {
   return;
  }
  if (typeDependencies[type]) {
   typeDependencies[type].forEach(visit);
   return;
  }
  unboundTypes.push(type);
  seen[type] = true;
 }
 types.forEach(visit);
 throw new UnboundTypeError(message + ": " + unboundTypes.map(getTypeName).join([ ", " ]));
}

function __embind_register_class(rawType, rawPointerType, rawConstPointerType, baseClassRawType, getActualTypeSignature, getActualType, upcastSignature, upcast, downcastSignature, downcast, name, destructorSignature, rawDestructor) {
 name = readLatin1String(name);
 getActualType = embind__requireFunction(getActualTypeSignature, getActualType);
 if (upcast) {
  upcast = embind__requireFunction(upcastSignature, upcast);
 }
 if (downcast) {
  downcast = embind__requireFunction(downcastSignature, downcast);
 }
 rawDestructor = embind__requireFunction(destructorSignature, rawDestructor);
 var legalFunctionName = makeLegalFunctionName(name);
 exposePublicSymbol(legalFunctionName, function() {
  throwUnboundTypeError("Cannot construct " + name + " due to unbound types", [ baseClassRawType ]);
 });
 whenDependentTypesAreResolved([ rawType, rawPointerType, rawConstPointerType ], baseClassRawType ? [ baseClassRawType ] : [], function(base) {
  base = base[0];
  var baseClass;
  var basePrototype;
  if (baseClassRawType) {
   baseClass = base.registeredClass;
   basePrototype = baseClass.instancePrototype;
  } else {
   basePrototype = ClassHandle.prototype;
  }
  var constructor = createNamedFunction(legalFunctionName, function() {
   if (Object.getPrototypeOf(this) !== instancePrototype) {
    throw new BindingError("Use 'new' to construct " + name);
   }
   if (undefined === registeredClass.constructor_body) {
    throw new BindingError(name + " has no accessible constructor");
   }
   var body = registeredClass.constructor_body[arguments.length];
   if (undefined === body) {
    throw new BindingError("Tried to invoke ctor of " + name + " with invalid number of parameters (" + arguments.length + ") - expected (" + Object.keys(registeredClass.constructor_body).toString() + ") parameters instead!");
   }
   return body.apply(this, arguments);
  });
  var instancePrototype = Object.create(basePrototype, {
   constructor: {
    value: constructor
   }
  });
  constructor.prototype = instancePrototype;
  var registeredClass = new RegisteredClass(name, constructor, instancePrototype, rawDestructor, baseClass, getActualType, upcast, downcast);
  var referenceConverter = new RegisteredPointer(name, registeredClass, true, false, false);
  var pointerConverter = new RegisteredPointer(name + "*", registeredClass, false, false, false);
  var constPointerConverter = new RegisteredPointer(name + " const*", registeredClass, false, true, false);
  registeredPointers[rawType] = {
   pointerType: pointerConverter,
   constPointerType: constPointerConverter
  };
  replacePublicSymbol(legalFunctionName, constructor);
  return [ referenceConverter, pointerConverter, constPointerConverter ];
 });
}

function heap32VectorToArray(count, firstElement) {
 var array = [];
 for (var i = 0; i < count; i++) {
  array.push(GROWABLE_HEAP_U32()[firstElement + i * 4 >>> 2]);
 }
 return array;
}

function new_(constructor, argumentList) {
 if (!(constructor instanceof Function)) {
  throw new TypeError("new_ called with constructor type " + typeof constructor + " which is not a function");
 }
 var dummy = createNamedFunction(constructor.name || "unknownFunctionName", function() {});
 dummy.prototype = constructor.prototype;
 var obj = new dummy();
 var r = constructor.apply(obj, argumentList);
 return r instanceof Object ? r : obj;
}

function craftInvokerFunction(humanName, argTypes, classType, cppInvokerFunc, cppTargetFunc) {
 var argCount = argTypes.length;
 if (argCount < 2) {
  throwBindingError("argTypes array size mismatch! Must at least get return value and 'this' types!");
 }
 var isClassMethodFunc = argTypes[1] !== null && classType !== null;
 var needsDestructorStack = false;
 for (var i = 1; i < argTypes.length; ++i) {
  if (argTypes[i] !== null && argTypes[i].destructorFunction === undefined) {
   needsDestructorStack = true;
   break;
  }
 }
 var returns = argTypes[0].name !== "void";
 var argsList = "";
 var argsListWired = "";
 for (var i = 0; i < argCount - 2; ++i) {
  argsList += (i !== 0 ? ", " : "") + "arg" + i;
  argsListWired += (i !== 0 ? ", " : "") + "arg" + i + "Wired";
 }
 var invokerFnBody = "return function " + makeLegalFunctionName(humanName) + "(" + argsList + ") {\n" + "if (arguments.length !== " + (argCount - 2) + ") {\n" + "throwBindingError('function " + humanName + " called with ' + arguments.length + ' arguments, expected " + (argCount - 2) + " args!');\n" + "}\n";
 if (needsDestructorStack) {
  invokerFnBody += "var destructors = [];\n";
 }
 var dtorStack = needsDestructorStack ? "destructors" : "null";
 var args1 = [ "throwBindingError", "invoker", "fn", "runDestructors", "retType", "classParam" ];
 var args2 = [ throwBindingError, cppInvokerFunc, cppTargetFunc, runDestructors, argTypes[0], argTypes[1] ];
 if (isClassMethodFunc) {
  invokerFnBody += "var thisWired = classParam.toWireType(" + dtorStack + ", this);\n";
 }
 for (var i = 0; i < argCount - 2; ++i) {
  invokerFnBody += "var arg" + i + "Wired = argType" + i + ".toWireType(" + dtorStack + ", arg" + i + "); // " + argTypes[i + 2].name + "\n";
  args1.push("argType" + i);
  args2.push(argTypes[i + 2]);
 }
 if (isClassMethodFunc) {
  argsListWired = "thisWired" + (argsListWired.length > 0 ? ", " : "") + argsListWired;
 }
 invokerFnBody += (returns ? "var rv = " : "") + "invoker(fn" + (argsListWired.length > 0 ? ", " : "") + argsListWired + ");\n";
 if (needsDestructorStack) {
  invokerFnBody += "runDestructors(destructors);\n";
 } else {
  for (var i = isClassMethodFunc ? 1 : 2; i < argTypes.length; ++i) {
   var paramName = i === 1 ? "thisWired" : "arg" + (i - 2) + "Wired";
   if (argTypes[i].destructorFunction !== null) {
    invokerFnBody += paramName + "_dtor(" + paramName + "); // " + argTypes[i].name + "\n";
    args1.push(paramName + "_dtor");
    args2.push(argTypes[i].destructorFunction);
   }
  }
 }
 if (returns) {
  invokerFnBody += "var ret = retType.fromWireType(rv);\n" + "return ret;\n";
 } else {}
 invokerFnBody += "}\n";
 args1.push(invokerFnBody);
 var invokerFunction = new_(Function, args1).apply(null, args2);
 return invokerFunction;
}

function __embind_register_class_constructor(rawClassType, argCount, rawArgTypesAddr, invokerSignature, invoker, rawConstructor) {
 assert(argCount > 0);
 var rawArgTypes = heap32VectorToArray(argCount, rawArgTypesAddr);
 invoker = embind__requireFunction(invokerSignature, invoker);
 var args = [ rawConstructor ];
 var destructors = [];
 whenDependentTypesAreResolved([], [ rawClassType ], function(classType) {
  classType = classType[0];
  var humanName = "constructor " + classType.name;
  if (undefined === classType.registeredClass.constructor_body) {
   classType.registeredClass.constructor_body = [];
  }
  if (undefined !== classType.registeredClass.constructor_body[argCount - 1]) {
   throw new BindingError("Cannot register multiple constructors with identical number of parameters (" + (argCount - 1) + ") for class '" + classType.name + "'! Overload resolution is currently only performed using the parameter count, not actual type info!");
  }
  classType.registeredClass.constructor_body[argCount - 1] = () => {
   throwUnboundTypeError("Cannot construct " + classType.name + " due to unbound types", rawArgTypes);
  };
  whenDependentTypesAreResolved([], rawArgTypes, function(argTypes) {
   argTypes.splice(1, 0, null);
   classType.registeredClass.constructor_body[argCount - 1] = craftInvokerFunction(humanName, argTypes, null, invoker, rawConstructor);
   return [];
  });
  return [];
 });
}

function __embind_register_class_function(rawClassType, methodName, argCount, rawArgTypesAddr, invokerSignature, rawInvoker, context, isPureVirtual) {
 var rawArgTypes = heap32VectorToArray(argCount, rawArgTypesAddr);
 methodName = readLatin1String(methodName);
 rawInvoker = embind__requireFunction(invokerSignature, rawInvoker);
 whenDependentTypesAreResolved([], [ rawClassType ], function(classType) {
  classType = classType[0];
  var humanName = classType.name + "." + methodName;
  if (methodName.startsWith("@@")) {
   methodName = Symbol[methodName.substring(2)];
  }
  if (isPureVirtual) {
   classType.registeredClass.pureVirtualFunctions.push(methodName);
  }
  function unboundTypesHandler() {
   throwUnboundTypeError("Cannot call " + humanName + " due to unbound types", rawArgTypes);
  }
  var proto = classType.registeredClass.instancePrototype;
  var method = proto[methodName];
  if (undefined === method || undefined === method.overloadTable && method.className !== classType.name && method.argCount === argCount - 2) {
   unboundTypesHandler.argCount = argCount - 2;
   unboundTypesHandler.className = classType.name;
   proto[methodName] = unboundTypesHandler;
  } else {
   ensureOverloadTable(proto, methodName, humanName);
   proto[methodName].overloadTable[argCount - 2] = unboundTypesHandler;
  }
  whenDependentTypesAreResolved([], rawArgTypes, function(argTypes) {
   var memberFunction = craftInvokerFunction(humanName, argTypes, classType, rawInvoker, context);
   if (undefined === proto[methodName].overloadTable) {
    memberFunction.argCount = argCount - 2;
    proto[methodName] = memberFunction;
   } else {
    proto[methodName].overloadTable[argCount - 2] = memberFunction;
   }
   return [];
  });
  return [];
 });
}

var emval_free_list = [];

var emval_handle_array = [ {}, {
 value: undefined
}, {
 value: null
}, {
 value: true
}, {
 value: false
} ];

function __emval_decref(handle) {
 if (handle > 4 && 0 === --emval_handle_array[handle].refcount) {
  emval_handle_array[handle] = undefined;
  emval_free_list.push(handle);
 }
}

function count_emval_handles() {
 var count = 0;
 for (var i = 5; i < emval_handle_array.length; ++i) {
  if (emval_handle_array[i] !== undefined) {
   ++count;
  }
 }
 return count;
}

function get_first_emval() {
 for (var i = 5; i < emval_handle_array.length; ++i) {
  if (emval_handle_array[i] !== undefined) {
   return emval_handle_array[i];
  }
 }
 return null;
}

function init_emval() {
 Module["count_emval_handles"] = count_emval_handles;
 Module["get_first_emval"] = get_first_emval;
}

var Emval = {
 toValue: handle => {
  if (!handle) {
   throwBindingError("Cannot use deleted val. handle = " + handle);
  }
  return emval_handle_array[handle].value;
 },
 toHandle: value => {
  switch (value) {
  case undefined:
   return 1;

  case null:
   return 2;

  case true:
   return 3;

  case false:
   return 4;

  default:
   {
    var handle = emval_free_list.length ? emval_free_list.pop() : emval_handle_array.length;
    emval_handle_array[handle] = {
     refcount: 1,
     value: value
    };
    return handle;
   }
  }
 }
};

function __embind_register_emval(rawType, name) {
 name = readLatin1String(name);
 registerType(rawType, {
  name: name,
  "fromWireType": function(handle) {
   var rv = Emval.toValue(handle);
   __emval_decref(handle);
   return rv;
  },
  "toWireType": function(destructors, value) {
   return Emval.toHandle(value);
  },
  "argPackAdvance": 8,
  "readValueFromPointer": simpleReadValueFromPointer,
  destructorFunction: null
 });
}

function floatReadValueFromPointer(name, shift) {
 switch (shift) {
 case 2:
  return function(pointer) {
   return this["fromWireType"](GROWABLE_HEAP_F32()[pointer >>> 2]);
  };

 case 3:
  return function(pointer) {
   return this["fromWireType"](GROWABLE_HEAP_F64()[pointer >>> 3]);
  };

 default:
  throw new TypeError("Unknown float type: " + name);
 }
}

function __embind_register_float(rawType, name, size) {
 var shift = getShiftFromSize(size);
 name = readLatin1String(name);
 registerType(rawType, {
  name: name,
  "fromWireType": function(value) {
   return value;
  },
  "toWireType": function(destructors, value) {
   return value;
  },
  "argPackAdvance": 8,
  "readValueFromPointer": floatReadValueFromPointer(name, shift),
  destructorFunction: null
 });
}

function __embind_register_function(name, argCount, rawArgTypesAddr, signature, rawInvoker, fn) {
 var argTypes = heap32VectorToArray(argCount, rawArgTypesAddr);
 name = readLatin1String(name);
 rawInvoker = embind__requireFunction(signature, rawInvoker);
 exposePublicSymbol(name, function() {
  throwUnboundTypeError("Cannot call " + name + " due to unbound types", argTypes);
 }, argCount - 1);
 whenDependentTypesAreResolved([], argTypes, function(argTypes) {
  var invokerArgsArray = [ argTypes[0], null ].concat(argTypes.slice(1));
  replacePublicSymbol(name, craftInvokerFunction(name, invokerArgsArray, null, rawInvoker, fn), argCount - 1);
  return [];
 });
}

function __embind_register_integer(primitiveType, name, size, minRange, maxRange) {
 name = readLatin1String(name);
 if (maxRange === -1) {
  maxRange = 4294967295;
 }
 var shift = getShiftFromSize(size);
 var fromWireType = value => value;
 if (minRange === 0) {
  var bitshift = 32 - 8 * size;
  fromWireType = value => value << bitshift >>> bitshift;
 }
 var isUnsignedType = name.includes("unsigned");
 var checkAssertions = (value, toTypeName) => {};
 var toWireType;
 if (isUnsignedType) {
  toWireType = function(destructors, value) {
   checkAssertions(value, this.name);
   return value >>> 0;
  };
 } else {
  toWireType = function(destructors, value) {
   checkAssertions(value, this.name);
   return value;
  };
 }
 registerType(primitiveType, {
  name: name,
  "fromWireType": fromWireType,
  "toWireType": toWireType,
  "argPackAdvance": 8,
  "readValueFromPointer": integerReadValueFromPointer(name, shift, minRange !== 0),
  destructorFunction: null
 });
}

function __embind_register_memory_view(rawType, dataTypeIndex, name) {
 var typeMapping = [ Int8Array, Uint8Array, Int16Array, Uint16Array, Int32Array, Uint32Array, Float32Array, Float64Array, BigInt64Array, BigUint64Array ];
 var TA = typeMapping[dataTypeIndex];
 function decodeMemoryView(handle) {
  handle = handle >> 2;
  var heap = GROWABLE_HEAP_U32();
  var size = heap[handle >>> 0];
  var data = heap[handle + 1 >>> 0];
  return new TA(heap.buffer, data, size);
 }
 name = readLatin1String(name);
 registerType(rawType, {
  name: name,
  "fromWireType": decodeMemoryView,
  "argPackAdvance": 8,
  "readValueFromPointer": decodeMemoryView
 }, {
  ignoreDuplicateRegistrations: true
 });
}

function __embind_register_std_string(rawType, name) {
 name = readLatin1String(name);
 var stdStringIsUTF8 = name === "std::string";
 registerType(rawType, {
  name: name,
  "fromWireType": function(value) {
   var length = GROWABLE_HEAP_U32()[value >>> 2];
   var payload = value + 4;
   var str;
   if (stdStringIsUTF8) {
    var decodeStartPtr = payload;
    for (var i = 0; i <= length; ++i) {
     var currentBytePtr = payload + i;
     if (i == length || GROWABLE_HEAP_U8()[currentBytePtr >>> 0] == 0) {
      var maxRead = currentBytePtr - decodeStartPtr;
      var stringSegment = UTF8ToString(decodeStartPtr, maxRead);
      if (str === undefined) {
       str = stringSegment;
      } else {
       str += String.fromCharCode(0);
       str += stringSegment;
      }
      decodeStartPtr = currentBytePtr + 1;
     }
    }
   } else {
    var a = new Array(length);
    for (var i = 0; i < length; ++i) {
     a[i] = String.fromCharCode(GROWABLE_HEAP_U8()[payload + i >>> 0]);
    }
    str = a.join("");
   }
   _free(value);
   return str;
  },
  "toWireType": function(destructors, value) {
   if (value instanceof ArrayBuffer) {
    value = new Uint8Array(value);
   }
   var length;
   var valueIsOfTypeString = typeof value == "string";
   if (!(valueIsOfTypeString || value instanceof Uint8Array || value instanceof Uint8ClampedArray || value instanceof Int8Array)) {
    throwBindingError("Cannot pass non-string to std::string");
   }
   if (stdStringIsUTF8 && valueIsOfTypeString) {
    length = lengthBytesUTF8(value);
   } else {
    length = value.length;
   }
   var base = _malloc(4 + length + 1);
   var ptr = base + 4;
   ptr >>>= 0;
   GROWABLE_HEAP_U32()[base >>> 2] = length;
   if (stdStringIsUTF8 && valueIsOfTypeString) {
    stringToUTF8(value, ptr, length + 1);
   } else {
    if (valueIsOfTypeString) {
     for (var i = 0; i < length; ++i) {
      var charCode = value.charCodeAt(i);
      if (charCode > 255) {
       _free(ptr);
       throwBindingError("String has UTF-16 code units that do not fit in 8 bits");
      }
      GROWABLE_HEAP_U8()[ptr + i >>> 0] = charCode;
     }
    } else {
     for (var i = 0; i < length; ++i) {
      GROWABLE_HEAP_U8()[ptr + i >>> 0] = value[i];
     }
    }
   }
   if (destructors !== null) {
    destructors.push(_free, base);
   }
   return base;
  },
  "argPackAdvance": 8,
  "readValueFromPointer": simpleReadValueFromPointer,
  destructorFunction: function(ptr) {
   _free(ptr);
  }
 });
}

var UTF16Decoder = typeof TextDecoder != "undefined" ? new TextDecoder("utf-16le") : undefined;

function UTF16ToString(ptr, maxBytesToRead) {
 var endPtr = ptr;
 var idx = endPtr >> 1;
 var maxIdx = idx + maxBytesToRead / 2;
 while (!(idx >= maxIdx) && GROWABLE_HEAP_U16()[idx >>> 0]) ++idx;
 endPtr = idx << 1;
 if (endPtr - ptr > 32 && UTF16Decoder) return UTF16Decoder.decode(GROWABLE_HEAP_U8().slice(ptr, endPtr));
 var str = "";
 for (var i = 0; !(i >= maxBytesToRead / 2); ++i) {
  var codeUnit = GROWABLE_HEAP_I16()[ptr + i * 2 >>> 1];
  if (codeUnit == 0) break;
  str += String.fromCharCode(codeUnit);
 }
 return str;
}

function stringToUTF16(str, outPtr, maxBytesToWrite) {
 if (maxBytesToWrite === undefined) {
  maxBytesToWrite = 2147483647;
 }
 if (maxBytesToWrite < 2) return 0;
 maxBytesToWrite -= 2;
 var startPtr = outPtr;
 var numCharsToWrite = maxBytesToWrite < str.length * 2 ? maxBytesToWrite / 2 : str.length;
 for (var i = 0; i < numCharsToWrite; ++i) {
  var codeUnit = str.charCodeAt(i);
  GROWABLE_HEAP_I16()[outPtr >>> 1] = codeUnit;
  outPtr += 2;
 }
 GROWABLE_HEAP_I16()[outPtr >>> 1] = 0;
 return outPtr - startPtr;
}

function lengthBytesUTF16(str) {
 return str.length * 2;
}

function UTF32ToString(ptr, maxBytesToRead) {
 var i = 0;
 var str = "";
 while (!(i >= maxBytesToRead / 4)) {
  var utf32 = GROWABLE_HEAP_I32()[ptr + i * 4 >>> 2];
  if (utf32 == 0) break;
  ++i;
  if (utf32 >= 65536) {
   var ch = utf32 - 65536;
   str += String.fromCharCode(55296 | ch >> 10, 56320 | ch & 1023);
  } else {
   str += String.fromCharCode(utf32);
  }
 }
 return str;
}

function stringToUTF32(str, outPtr, maxBytesToWrite) {
 outPtr >>>= 0;
 if (maxBytesToWrite === undefined) {
  maxBytesToWrite = 2147483647;
 }
 if (maxBytesToWrite < 4) return 0;
 var startPtr = outPtr;
 var endPtr = startPtr + maxBytesToWrite - 4;
 for (var i = 0; i < str.length; ++i) {
  var codeUnit = str.charCodeAt(i);
  if (codeUnit >= 55296 && codeUnit <= 57343) {
   var trailSurrogate = str.charCodeAt(++i);
   codeUnit = 65536 + ((codeUnit & 1023) << 10) | trailSurrogate & 1023;
  }
  GROWABLE_HEAP_I32()[outPtr >>> 2] = codeUnit;
  outPtr += 4;
  if (outPtr + 4 > endPtr) break;
 }
 GROWABLE_HEAP_I32()[outPtr >>> 2] = 0;
 return outPtr - startPtr;
}

function lengthBytesUTF32(str) {
 var len = 0;
 for (var i = 0; i < str.length; ++i) {
  var codeUnit = str.charCodeAt(i);
  if (codeUnit >= 55296 && codeUnit <= 57343) ++i;
  len += 4;
 }
 return len;
}

function __embind_register_std_wstring(rawType, charSize, name) {
 name = readLatin1String(name);
 var decodeString, encodeString, getHeap, lengthBytesUTF, shift;
 if (charSize === 2) {
  decodeString = UTF16ToString;
  encodeString = stringToUTF16;
  lengthBytesUTF = lengthBytesUTF16;
  getHeap = () => GROWABLE_HEAP_U16();
  shift = 1;
 } else if (charSize === 4) {
  decodeString = UTF32ToString;
  encodeString = stringToUTF32;
  lengthBytesUTF = lengthBytesUTF32;
  getHeap = () => GROWABLE_HEAP_U32();
  shift = 2;
 }
 registerType(rawType, {
  name: name,
  "fromWireType": function(value) {
   var length = GROWABLE_HEAP_U32()[value >>> 2];
   var HEAP = getHeap();
   var str;
   var decodeStartPtr = value + 4;
   for (var i = 0; i <= length; ++i) {
    var currentBytePtr = value + 4 + i * charSize;
    if (i == length || HEAP[currentBytePtr >>> shift] == 0) {
     var maxReadBytes = currentBytePtr - decodeStartPtr;
     var stringSegment = decodeString(decodeStartPtr, maxReadBytes);
     if (str === undefined) {
      str = stringSegment;
     } else {
      str += String.fromCharCode(0);
      str += stringSegment;
     }
     decodeStartPtr = currentBytePtr + charSize;
    }
   }
   _free(value);
   return str;
  },
  "toWireType": function(destructors, value) {
   if (!(typeof value == "string")) {
    throwBindingError("Cannot pass non-string to C++ string type " + name);
   }
   var length = lengthBytesUTF(value);
   var ptr = _malloc(4 + length + charSize);
   ptr >>>= 0;
   GROWABLE_HEAP_U32()[ptr >>> 2] = length >> shift;
   encodeString(value, ptr + 4, length + charSize);
   if (destructors !== null) {
    destructors.push(_free, ptr);
   }
   return ptr;
  },
  "argPackAdvance": 8,
  "readValueFromPointer": simpleReadValueFromPointer,
  destructorFunction: function(ptr) {
   _free(ptr);
  }
 });
}

function __embind_register_value_object(rawType, name, constructorSignature, rawConstructor, destructorSignature, rawDestructor) {
 structRegistrations[rawType] = {
  name: readLatin1String(name),
  rawConstructor: embind__requireFunction(constructorSignature, rawConstructor),
  rawDestructor: embind__requireFunction(destructorSignature, rawDestructor),
  fields: []
 };
}

function __embind_register_value_object_field(structType, fieldName, getterReturnType, getterSignature, getter, getterContext, setterArgumentType, setterSignature, setter, setterContext) {
 structRegistrations[structType].fields.push({
  fieldName: readLatin1String(fieldName),
  getterReturnType: getterReturnType,
  getter: embind__requireFunction(getterSignature, getter),
  getterContext: getterContext,
  setterArgumentType: setterArgumentType,
  setter: embind__requireFunction(setterSignature, setter),
  setterContext: setterContext
 });
}

function __embind_register_void(rawType, name) {
 name = readLatin1String(name);
 registerType(rawType, {
  isVoid: true,
  name: name,
  "argPackAdvance": 0,
  "fromWireType": function() {
   return undefined;
  },
  "toWireType": function(destructors, o) {
   return undefined;
  }
 });
}

function __emscripten_default_pthread_stack_size() {
 return 2097152;
}

function __emscripten_err(str) {
 err(UTF8ToString(str));
}

function __emscripten_fetch_free(id) {
 var xhr = Fetch.xhrs[id];
 if (xhr) {
  delete Fetch.xhrs[id];
  if (xhr.readyState > 0 && xhr.readyState < 4) {
   xhr.abort();
  }
 }
}

var nowIsMonotonic = true;

function __emscripten_get_now_is_monotonic() {
 return nowIsMonotonic;
}

function executeNotifiedProxyingQueue(queue) {
 Atomics.store(GROWABLE_HEAP_I32(), queue >> 2, 1);
 if (_pthread_self()) {
  __emscripten_proxy_execute_task_queue(queue);
 }
 Atomics.compareExchange(GROWABLE_HEAP_I32(), queue >> 2, 1, 0);
}

Module["executeNotifiedProxyingQueue"] = executeNotifiedProxyingQueue;

function __emscripten_notify_task_queue(targetThreadId, currThreadId, mainThreadId, queue) {
 if (targetThreadId == currThreadId) {
  setTimeout(() => executeNotifiedProxyingQueue(queue));
 } else if (ENVIRONMENT_IS_PTHREAD) {
  postMessage({
   "targetThread": targetThreadId,
   "cmd": "processProxyingQueue",
   "queue": queue
  });
 } else {
  var worker = PThread.pthreads[targetThreadId];
  if (!worker) {
   return;
  }
  worker.postMessage({
   "cmd": "processProxyingQueue",
   "queue": queue
  });
 }
 return 1;
}

var JSEvents = {
 inEventHandler: 0,
 removeAllEventListeners: function() {
  for (var i = JSEvents.eventHandlers.length - 1; i >= 0; --i) {
   JSEvents._removeHandler(i);
  }
  JSEvents.eventHandlers = [];
  JSEvents.deferredCalls = [];
 },
 registerRemoveEventListeners: function() {
  if (!JSEvents.removeEventListenersRegistered) {
   __ATEXIT__.push(JSEvents.removeAllEventListeners);
   JSEvents.removeEventListenersRegistered = true;
  }
 },
 deferredCalls: [],
 deferCall: function(targetFunction, precedence, argsList) {
  function arraysHaveEqualContent(arrA, arrB) {
   if (arrA.length != arrB.length) return false;
   for (var i in arrA) {
    if (arrA[i] != arrB[i]) return false;
   }
   return true;
  }
  for (var i in JSEvents.deferredCalls) {
   var call = JSEvents.deferredCalls[i];
   if (call.targetFunction == targetFunction && arraysHaveEqualContent(call.argsList, argsList)) {
    return;
   }
  }
  JSEvents.deferredCalls.push({
   targetFunction: targetFunction,
   precedence: precedence,
   argsList: argsList
  });
  JSEvents.deferredCalls.sort(function(x, y) {
   return x.precedence < y.precedence;
  });
 },
 removeDeferredCalls: function(targetFunction) {
  for (var i = 0; i < JSEvents.deferredCalls.length; ++i) {
   if (JSEvents.deferredCalls[i].targetFunction == targetFunction) {
    JSEvents.deferredCalls.splice(i, 1);
    --i;
   }
  }
 },
 canPerformEventHandlerRequests: function() {
  return JSEvents.inEventHandler && JSEvents.currentEventHandler.allowsDeferredCalls;
 },
 runDeferredCalls: function() {
  if (!JSEvents.canPerformEventHandlerRequests()) {
   return;
  }
  for (var i = 0; i < JSEvents.deferredCalls.length; ++i) {
   var call = JSEvents.deferredCalls[i];
   JSEvents.deferredCalls.splice(i, 1);
   --i;
   call.targetFunction.apply(null, call.argsList);
  }
 },
 eventHandlers: [],
 removeAllHandlersOnTarget: function(target, eventTypeString) {
  for (var i = 0; i < JSEvents.eventHandlers.length; ++i) {
   if (JSEvents.eventHandlers[i].target == target && (!eventTypeString || eventTypeString == JSEvents.eventHandlers[i].eventTypeString)) {
    JSEvents._removeHandler(i--);
   }
  }
 },
 _removeHandler: function(i) {
  var h = JSEvents.eventHandlers[i];
  h.target.removeEventListener(h.eventTypeString, h.eventListenerFunc, h.useCapture);
  JSEvents.eventHandlers.splice(i, 1);
 },
 registerOrRemoveHandler: function(eventHandler) {
  var jsEventHandler = function jsEventHandler(event) {
   ++JSEvents.inEventHandler;
   JSEvents.currentEventHandler = eventHandler;
   JSEvents.runDeferredCalls();
   eventHandler.handlerFunc(event);
   JSEvents.runDeferredCalls();
   --JSEvents.inEventHandler;
  };
  if (eventHandler.callbackfunc) {
   eventHandler.eventListenerFunc = jsEventHandler;
   eventHandler.target.addEventListener(eventHandler.eventTypeString, jsEventHandler, eventHandler.useCapture);
   JSEvents.eventHandlers.push(eventHandler);
   JSEvents.registerRemoveEventListeners();
  } else {
   for (var i = 0; i < JSEvents.eventHandlers.length; ++i) {
    if (JSEvents.eventHandlers[i].target == eventHandler.target && JSEvents.eventHandlers[i].eventTypeString == eventHandler.eventTypeString) {
     JSEvents._removeHandler(i--);
    }
   }
  }
 },
 queueEventHandlerOnThread_iiii: function(targetThread, eventHandlerFunc, eventTypeId, eventData, userData) {
  withStackSave(function() {
   var varargs = stackAlloc(12);
   GROWABLE_HEAP_I32()[varargs >>> 2] = eventTypeId;
   GROWABLE_HEAP_I32()[varargs + 4 >>> 2] = eventData;
   GROWABLE_HEAP_I32()[varargs + 8 >>> 2] = userData;
   _emscripten_dispatch_to_thread_(targetThread, 637534208, eventHandlerFunc, eventData, varargs);
  });
 },
 getTargetThreadForEventCallback: function(targetThread) {
  switch (targetThread) {
  case 1:
   return 0;

  case 2:
   return PThread.currentProxiedOperationCallerThread;

  default:
   return targetThread;
  }
 },
 getNodeNameForTarget: function(target) {
  if (!target) return "";
  if (target == window) return "#window";
  if (target == screen) return "#screen";
  return target && target.nodeName ? target.nodeName : "";
 },
 fullscreenEnabled: function() {
  return document.fullscreenEnabled || document.webkitFullscreenEnabled;
 }
};

function stringToNewUTF8(jsString) {
 var length = lengthBytesUTF8(jsString) + 1;
 var cString = _malloc(length);
 stringToUTF8(jsString, cString, length);
 return cString;
}

function _emscripten_set_offscreencanvas_size_on_target_thread_js(targetThread, targetCanvas, width, height) {
 withStackSave(function() {
  var varargs = stackAlloc(12);
  var targetCanvasPtr = 0;
  if (targetCanvas) {
   targetCanvasPtr = stringToNewUTF8(targetCanvas);
  }
  GROWABLE_HEAP_I32()[varargs >>> 2] = targetCanvasPtr;
  GROWABLE_HEAP_I32()[varargs + 4 >>> 2] = width;
  GROWABLE_HEAP_I32()[varargs + 8 >>> 2] = height;
  _emscripten_dispatch_to_thread_(targetThread, 654311424, 0, targetCanvasPtr, varargs);
 });
}

function _emscripten_set_offscreencanvas_size_on_target_thread(targetThread, targetCanvas, width, height) {
 targetCanvas = targetCanvas ? UTF8ToString(targetCanvas) : "";
 _emscripten_set_offscreencanvas_size_on_target_thread_js(targetThread, targetCanvas, width, height);
}

function __webgl_enable_WEBGL_draw_instanced_base_vertex_base_instance(ctx) {
 return !!(ctx.dibvbi = ctx.getExtension("WEBGL_draw_instanced_base_vertex_base_instance"));
}

function __webgl_enable_WEBGL_multi_draw_instanced_base_vertex_base_instance(ctx) {
 return !!(ctx.mdibvbi = ctx.getExtension("WEBGL_multi_draw_instanced_base_vertex_base_instance"));
}

function __webgl_enable_WEBGL_multi_draw(ctx) {
 return !!(ctx.multiDrawWebgl = ctx.getExtension("WEBGL_multi_draw"));
}

var GL = {
 counter: 1,
 buffers: [],
 mappedBuffers: {},
 programs: [],
 framebuffers: [],
 renderbuffers: [],
 textures: [],
 shaders: [],
 vaos: [],
 contexts: {},
 offscreenCanvases: {},
 queries: [],
 samplers: [],
 transformFeedbacks: [],
 syncs: [],
 byteSizeByTypeRoot: 5120,
 byteSizeByType: [ 1, 1, 2, 2, 4, 4, 4, 2, 3, 4, 8 ],
 stringCache: {},
 stringiCache: {},
 unpackAlignment: 4,
 recordError: function recordError(errorCode) {
  if (!GL.lastError) {
   GL.lastError = errorCode;
  }
 },
 getNewId: function(table) {
  var ret = GL.counter++;
  for (var i = table.length; i < ret; i++) {
   table[i] = null;
  }
  return ret;
 },
 MAX_TEMP_BUFFER_SIZE: 2097152,
 numTempVertexBuffersPerSize: 64,
 log2ceilLookup: function(i) {
  return 32 - Math.clz32(i === 0 ? 0 : i - 1);
 },
 generateTempBuffers: function(quads, context) {
  var largestIndex = GL.log2ceilLookup(GL.MAX_TEMP_BUFFER_SIZE);
  context.tempVertexBufferCounters1 = [];
  context.tempVertexBufferCounters2 = [];
  context.tempVertexBufferCounters1.length = context.tempVertexBufferCounters2.length = largestIndex + 1;
  context.tempVertexBuffers1 = [];
  context.tempVertexBuffers2 = [];
  context.tempVertexBuffers1.length = context.tempVertexBuffers2.length = largestIndex + 1;
  context.tempIndexBuffers = [];
  context.tempIndexBuffers.length = largestIndex + 1;
  for (var i = 0; i <= largestIndex; ++i) {
   context.tempIndexBuffers[i] = null;
   context.tempVertexBufferCounters1[i] = context.tempVertexBufferCounters2[i] = 0;
   var ringbufferLength = GL.numTempVertexBuffersPerSize;
   context.tempVertexBuffers1[i] = [];
   context.tempVertexBuffers2[i] = [];
   var ringbuffer1 = context.tempVertexBuffers1[i];
   var ringbuffer2 = context.tempVertexBuffers2[i];
   ringbuffer1.length = ringbuffer2.length = ringbufferLength;
   for (var j = 0; j < ringbufferLength; ++j) {
    ringbuffer1[j] = ringbuffer2[j] = null;
   }
  }
  if (quads) {
   context.tempQuadIndexBuffer = GLctx.createBuffer();
   context.GLctx.bindBuffer(34963, context.tempQuadIndexBuffer);
   var numIndexes = GL.MAX_TEMP_BUFFER_SIZE >> 1;
   var quadIndexes = new Uint16Array(numIndexes);
   var i = 0, v = 0;
   while (1) {
    quadIndexes[i++] = v;
    if (i >= numIndexes) break;
    quadIndexes[i++] = v + 1;
    if (i >= numIndexes) break;
    quadIndexes[i++] = v + 2;
    if (i >= numIndexes) break;
    quadIndexes[i++] = v;
    if (i >= numIndexes) break;
    quadIndexes[i++] = v + 2;
    if (i >= numIndexes) break;
    quadIndexes[i++] = v + 3;
    if (i >= numIndexes) break;
    v += 4;
   }
   context.GLctx.bufferData(34963, quadIndexes, 35044);
   context.GLctx.bindBuffer(34963, null);
  }
 },
 getTempVertexBuffer: function getTempVertexBuffer(sizeBytes) {
  var idx = GL.log2ceilLookup(sizeBytes);
  var ringbuffer = GL.currentContext.tempVertexBuffers1[idx];
  var nextFreeBufferIndex = GL.currentContext.tempVertexBufferCounters1[idx];
  GL.currentContext.tempVertexBufferCounters1[idx] = GL.currentContext.tempVertexBufferCounters1[idx] + 1 & GL.numTempVertexBuffersPerSize - 1;
  var vbo = ringbuffer[nextFreeBufferIndex];
  if (vbo) {
   return vbo;
  }
  var prevVBO = GLctx.getParameter(34964);
  ringbuffer[nextFreeBufferIndex] = GLctx.createBuffer();
  GLctx.bindBuffer(34962, ringbuffer[nextFreeBufferIndex]);
  GLctx.bufferData(34962, 1 << idx, 35048);
  GLctx.bindBuffer(34962, prevVBO);
  return ringbuffer[nextFreeBufferIndex];
 },
 getTempIndexBuffer: function getTempIndexBuffer(sizeBytes) {
  var idx = GL.log2ceilLookup(sizeBytes);
  var ibo = GL.currentContext.tempIndexBuffers[idx];
  if (ibo) {
   return ibo;
  }
  var prevIBO = GLctx.getParameter(34965);
  GL.currentContext.tempIndexBuffers[idx] = GLctx.createBuffer();
  GLctx.bindBuffer(34963, GL.currentContext.tempIndexBuffers[idx]);
  GLctx.bufferData(34963, 1 << idx, 35048);
  GLctx.bindBuffer(34963, prevIBO);
  return GL.currentContext.tempIndexBuffers[idx];
 },
 newRenderingFrameStarted: function newRenderingFrameStarted() {
  if (!GL.currentContext) {
   return;
  }
  var vb = GL.currentContext.tempVertexBuffers1;
  GL.currentContext.tempVertexBuffers1 = GL.currentContext.tempVertexBuffers2;
  GL.currentContext.tempVertexBuffers2 = vb;
  vb = GL.currentContext.tempVertexBufferCounters1;
  GL.currentContext.tempVertexBufferCounters1 = GL.currentContext.tempVertexBufferCounters2;
  GL.currentContext.tempVertexBufferCounters2 = vb;
  var largestIndex = GL.log2ceilLookup(GL.MAX_TEMP_BUFFER_SIZE);
  for (var i = 0; i <= largestIndex; ++i) {
   GL.currentContext.tempVertexBufferCounters1[i] = 0;
  }
 },
 getSource: function(shader, count, string, length) {
  var source = "";
  for (var i = 0; i < count; ++i) {
   var len = length ? GROWABLE_HEAP_I32()[length + i * 4 >>> 2] : -1;
   source += UTF8ToString(GROWABLE_HEAP_I32()[string + i * 4 >>> 2], len < 0 ? undefined : len);
  }
  return source;
 },
 calcBufLength: function calcBufLength(size, type, stride, count) {
  if (stride > 0) {
   return count * stride;
  }
  var typeSize = GL.byteSizeByType[type - GL.byteSizeByTypeRoot];
  return size * typeSize * count;
 },
 usedTempBuffers: [],
 preDrawHandleClientVertexAttribBindings: function preDrawHandleClientVertexAttribBindings(count) {
  GL.resetBufferBinding = false;
  for (var i = 0; i < GL.currentContext.maxVertexAttribs; ++i) {
   var cb = GL.currentContext.clientBuffers[i];
   if (!cb.clientside || !cb.enabled) continue;
   GL.resetBufferBinding = true;
   var size = GL.calcBufLength(cb.size, cb.type, cb.stride, count);
   var buf = GL.getTempVertexBuffer(size);
   GLctx.bindBuffer(34962, buf);
   GLctx.bufferSubData(34962, 0, GROWABLE_HEAP_U8().subarray(cb.ptr >>> 0, cb.ptr + size >>> 0));
   cb.vertexAttribPointerAdaptor.call(GLctx, i, cb.size, cb.type, cb.normalized, cb.stride, 0);
  }
 },
 postDrawHandleClientVertexAttribBindings: function postDrawHandleClientVertexAttribBindings() {
  if (GL.resetBufferBinding) {
   GLctx.bindBuffer(34962, GL.buffers[GLctx.currentArrayBufferBinding]);
  }
 },
 createContext: function(canvas, webGLContextAttributes) {
  if (!canvas.getContextSafariWebGL2Fixed) {
   canvas.getContextSafariWebGL2Fixed = canvas.getContext;
   function fixedGetContext(ver, attrs) {
    var gl = canvas.getContextSafariWebGL2Fixed(ver, attrs);
    return ver == "webgl" == gl instanceof WebGLRenderingContext ? gl : null;
   }
   canvas.getContext = fixedGetContext;
  }
  var ctx = canvas.getContext("webgl2", webGLContextAttributes);
  if (!ctx) return 0;
  var handle = GL.registerContext(ctx, webGLContextAttributes);
  return handle;
 },
 registerContext: function(ctx, webGLContextAttributes) {
  var handle = _malloc(8);
  GROWABLE_HEAP_I32()[handle + 4 >>> 2] = _pthread_self();
  var context = {
   handle: handle,
   attributes: webGLContextAttributes,
   version: webGLContextAttributes.majorVersion,
   GLctx: ctx
  };
  if (ctx.canvas) ctx.canvas.GLctxObject = context;
  GL.contexts[handle] = context;
  if (typeof webGLContextAttributes.enableExtensionsByDefault == "undefined" || webGLContextAttributes.enableExtensionsByDefault) {
   GL.initExtensions(context);
  }
  context.maxVertexAttribs = context.GLctx.getParameter(34921);
  context.clientBuffers = [];
  for (var i = 0; i < context.maxVertexAttribs; i++) {
   context.clientBuffers[i] = {
    enabled: false,
    clientside: false,
    size: 0,
    type: 0,
    normalized: 0,
    stride: 0,
    ptr: 0,
    vertexAttribPointerAdaptor: null
   };
  }
  GL.generateTempBuffers(false, context);
  return handle;
 },
 makeContextCurrent: function(contextHandle) {
  GL.currentContext = GL.contexts[contextHandle];
  Module.ctx = GLctx = GL.currentContext && GL.currentContext.GLctx;
  return !(contextHandle && !GLctx);
 },
 getContext: function(contextHandle) {
  return GL.contexts[contextHandle];
 },
 deleteContext: function(contextHandle) {
  if (GL.currentContext === GL.contexts[contextHandle]) GL.currentContext = null;
  if (typeof JSEvents == "object") JSEvents.removeAllHandlersOnTarget(GL.contexts[contextHandle].GLctx.canvas);
  if (GL.contexts[contextHandle] && GL.contexts[contextHandle].GLctx.canvas) GL.contexts[contextHandle].GLctx.canvas.GLctxObject = undefined;
  _free(GL.contexts[contextHandle].handle);
  GL.contexts[contextHandle] = null;
 },
 initExtensions: function(context) {
  if (!context) context = GL.currentContext;
  if (context.initExtensionsDone) return;
  context.initExtensionsDone = true;
  var GLctx = context.GLctx;
  __webgl_enable_WEBGL_draw_instanced_base_vertex_base_instance(GLctx);
  __webgl_enable_WEBGL_multi_draw_instanced_base_vertex_base_instance(GLctx);
  if (context.version >= 2) {
   GLctx.disjointTimerQueryExt = GLctx.getExtension("EXT_disjoint_timer_query_webgl2");
  }
  if (context.version < 2 || !GLctx.disjointTimerQueryExt) {
   GLctx.disjointTimerQueryExt = GLctx.getExtension("EXT_disjoint_timer_query");
  }
  __webgl_enable_WEBGL_multi_draw(GLctx);
  var exts = GLctx.getSupportedExtensions() || [];
  exts.forEach(function(ext) {
   if (!ext.includes("lose_context") && !ext.includes("debug")) {
    GLctx.getExtension(ext);
   }
  });
 }
};

function maybeCStringToJsString(cString) {
 return cString > 2 ? UTF8ToString(cString) : cString;
}

function findCanvasEventTarget(target) {
 target = maybeCStringToJsString(target);
 return GL.offscreenCanvases[target.substr(1)] || target == "canvas" && Object.keys(GL.offscreenCanvases)[0] || typeof document != "undefined" && document.querySelector(target);
}

function _emscripten_set_canvas_element_size_calling_thread(target, width, height) {
 var canvas = findCanvasEventTarget(target);
 if (!canvas) return -4;
 if (canvas.canvasSharedPtr) {
  GROWABLE_HEAP_I32()[canvas.canvasSharedPtr >>> 2] = width;
  GROWABLE_HEAP_I32()[canvas.canvasSharedPtr + 4 >>> 2] = height;
 }
 if (canvas.offscreenCanvas || !canvas.controlTransferredOffscreen) {
  if (canvas.offscreenCanvas) canvas = canvas.offscreenCanvas;
  var autoResizeViewport = false;
  if (canvas.GLctxObject && canvas.GLctxObject.GLctx) {
   var prevViewport = canvas.GLctxObject.GLctx.getParameter(2978);
   autoResizeViewport = prevViewport[0] === 0 && prevViewport[1] === 0 && prevViewport[2] === canvas.width && prevViewport[3] === canvas.height;
  }
  canvas.width = width;
  canvas.height = height;
  if (autoResizeViewport) {
   canvas.GLctxObject.GLctx.viewport(0, 0, width, height);
  }
 } else if (canvas.canvasSharedPtr) {
  var targetThread = GROWABLE_HEAP_I32()[canvas.canvasSharedPtr + 8 >>> 2];
  _emscripten_set_offscreencanvas_size_on_target_thread(targetThread, target, width, height);
  return 1;
 } else {
  return -4;
 }
 return 0;
}

function _emscripten_set_canvas_element_size_main_thread(target, width, height) {
 if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(28, 1, target, width, height);
 return _emscripten_set_canvas_element_size_calling_thread(target, width, height);
}

function _emscripten_set_canvas_element_size(target, width, height) {
 var canvas = findCanvasEventTarget(target);
 if (canvas) {
  return _emscripten_set_canvas_element_size_calling_thread(target, width, height);
 }
 return _emscripten_set_canvas_element_size_main_thread(target, width, height);
}

var __emscripten_set_offscreencanvas_size = _emscripten_set_canvas_element_size;

function requireRegisteredType(rawType, humanName) {
 var impl = registeredTypes[rawType];
 if (undefined === impl) {
  throwBindingError(humanName + " has unknown type " + getTypeName(rawType));
 }
 return impl;
}

function emval_lookupTypes(argCount, argTypes) {
 var a = new Array(argCount);
 for (var i = 0; i < argCount; ++i) {
  a[i] = requireRegisteredType(GROWABLE_HEAP_U32()[argTypes + i * 4 >>> 2], "parameter " + i);
 }
 return a;
}

function __emval_call(handle, argCount, argTypes, argv) {
 handle = Emval.toValue(handle);
 var types = emval_lookupTypes(argCount, argTypes);
 var args = new Array(argCount);
 for (var i = 0; i < argCount; ++i) {
  var type = types[i];
  args[i] = type["readValueFromPointer"](argv);
  argv += type["argPackAdvance"];
 }
 var rv = handle.apply(undefined, args);
 return Emval.toHandle(rv);
}

function __emval_incref(handle) {
 if (handle > 4) {
  emval_handle_array[handle].refcount += 1;
 }
}

function __emval_take_value(type, arg) {
 type = requireRegisteredType(type, "_emval_take_value");
 var v = type["readValueFromPointer"](arg);
 return Emval.toHandle(v);
}

function __gmtime_js(time, tmPtr) {
 var date = new Date(readI53FromI64(time) * 1e3);
 GROWABLE_HEAP_I32()[tmPtr >>> 2] = date.getUTCSeconds();
 GROWABLE_HEAP_I32()[tmPtr + 4 >>> 2] = date.getUTCMinutes();
 GROWABLE_HEAP_I32()[tmPtr + 8 >>> 2] = date.getUTCHours();
 GROWABLE_HEAP_I32()[tmPtr + 12 >>> 2] = date.getUTCDate();
 GROWABLE_HEAP_I32()[tmPtr + 16 >>> 2] = date.getUTCMonth();
 GROWABLE_HEAP_I32()[tmPtr + 20 >>> 2] = date.getUTCFullYear() - 1900;
 GROWABLE_HEAP_I32()[tmPtr + 24 >>> 2] = date.getUTCDay();
 var start = Date.UTC(date.getUTCFullYear(), 0, 1, 0, 0, 0, 0);
 var yday = (date.getTime() - start) / (1e3 * 60 * 60 * 24) | 0;
 GROWABLE_HEAP_I32()[tmPtr + 28 >>> 2] = yday;
}

function __isLeapYear(year) {
 return year % 4 === 0 && (year % 100 !== 0 || year % 400 === 0);
}

var __MONTH_DAYS_LEAP_CUMULATIVE = [ 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335 ];

var __MONTH_DAYS_REGULAR_CUMULATIVE = [ 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334 ];

function __yday_from_date(date) {
 var isLeapYear = __isLeapYear(date.getFullYear());
 var monthDaysCumulative = isLeapYear ? __MONTH_DAYS_LEAP_CUMULATIVE : __MONTH_DAYS_REGULAR_CUMULATIVE;
 var yday = monthDaysCumulative[date.getMonth()] + date.getDate() - 1;
 return yday;
}

function __localtime_js(time, tmPtr) {
 var date = new Date(readI53FromI64(time) * 1e3);
 GROWABLE_HEAP_I32()[tmPtr >>> 2] = date.getSeconds();
 GROWABLE_HEAP_I32()[tmPtr + 4 >>> 2] = date.getMinutes();
 GROWABLE_HEAP_I32()[tmPtr + 8 >>> 2] = date.getHours();
 GROWABLE_HEAP_I32()[tmPtr + 12 >>> 2] = date.getDate();
 GROWABLE_HEAP_I32()[tmPtr + 16 >>> 2] = date.getMonth();
 GROWABLE_HEAP_I32()[tmPtr + 20 >>> 2] = date.getFullYear() - 1900;
 GROWABLE_HEAP_I32()[tmPtr + 24 >>> 2] = date.getDay();
 var yday = __yday_from_date(date) | 0;
 GROWABLE_HEAP_I32()[tmPtr + 28 >>> 2] = yday;
 GROWABLE_HEAP_I32()[tmPtr + 36 >>> 2] = -(date.getTimezoneOffset() * 60);
 var start = new Date(date.getFullYear(), 0, 1);
 var summerOffset = new Date(date.getFullYear(), 6, 1).getTimezoneOffset();
 var winterOffset = start.getTimezoneOffset();
 var dst = (summerOffset != winterOffset && date.getTimezoneOffset() == Math.min(winterOffset, summerOffset)) | 0;
 GROWABLE_HEAP_I32()[tmPtr + 32 >>> 2] = dst;
}

function __mktime_js(tmPtr) {
 var date = new Date(GROWABLE_HEAP_I32()[tmPtr + 20 >>> 2] + 1900, GROWABLE_HEAP_I32()[tmPtr + 16 >>> 2], GROWABLE_HEAP_I32()[tmPtr + 12 >>> 2], GROWABLE_HEAP_I32()[tmPtr + 8 >>> 2], GROWABLE_HEAP_I32()[tmPtr + 4 >>> 2], GROWABLE_HEAP_I32()[tmPtr >>> 2], 0);
 var dst = GROWABLE_HEAP_I32()[tmPtr + 32 >>> 2];
 var guessedOffset = date.getTimezoneOffset();
 var start = new Date(date.getFullYear(), 0, 1);
 var summerOffset = new Date(date.getFullYear(), 6, 1).getTimezoneOffset();
 var winterOffset = start.getTimezoneOffset();
 var dstOffset = Math.min(winterOffset, summerOffset);
 if (dst < 0) {
  GROWABLE_HEAP_I32()[tmPtr + 32 >>> 2] = Number(summerOffset != winterOffset && dstOffset == guessedOffset);
 } else if (dst > 0 != (dstOffset == guessedOffset)) {
  var nonDstOffset = Math.max(winterOffset, summerOffset);
  var trueOffset = dst > 0 ? dstOffset : nonDstOffset;
  date.setTime(date.getTime() + (trueOffset - guessedOffset) * 6e4);
 }
 GROWABLE_HEAP_I32()[tmPtr + 24 >>> 2] = date.getDay();
 var yday = __yday_from_date(date) | 0;
 GROWABLE_HEAP_I32()[tmPtr + 28 >>> 2] = yday;
 GROWABLE_HEAP_I32()[tmPtr >>> 2] = date.getSeconds();
 GROWABLE_HEAP_I32()[tmPtr + 4 >>> 2] = date.getMinutes();
 GROWABLE_HEAP_I32()[tmPtr + 8 >>> 2] = date.getHours();
 GROWABLE_HEAP_I32()[tmPtr + 12 >>> 2] = date.getDate();
 GROWABLE_HEAP_I32()[tmPtr + 16 >>> 2] = date.getMonth();
 GROWABLE_HEAP_I32()[tmPtr + 20 >>> 2] = date.getYear();
 return date.getTime() / 1e3 | 0;
}

function __mmap_js(len, prot, flags, fd, off, allocated, addr) {
 if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(29, 1, len, prot, flags, fd, off, allocated, addr);
 try {
  var stream = SYSCALLS.getStreamFromFD(fd);
  var res = FS.mmap(stream, len, off, prot, flags);
  var ptr = res.ptr;
  GROWABLE_HEAP_I32()[allocated >>> 2] = res.allocated;
  ptr >>>= 0;
  GROWABLE_HEAP_U32()[addr >>> 2] = ptr;
  return 0;
 } catch (e) {
  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
  return -e.errno;
 }
}

function __munmap_js(addr, len, prot, flags, fd, offset) {
 if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(30, 1, addr, len, prot, flags, fd, offset);
 try {
  var stream = SYSCALLS.getStreamFromFD(fd);
  if (prot & 2) {
   SYSCALLS.doMsync(addr, stream, len, flags, offset);
  }
  FS.munmap(stream);
 } catch (e) {
  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
  return -e.errno;
 }
}

function allocateUTF8(str) {
 var size = lengthBytesUTF8(str) + 1;
 var ret = _malloc(size);
 if (ret) stringToUTF8Array(str, GROWABLE_HEAP_I8(), ret, size);
 return ret;
}

function __tzset_js(timezone, daylight, tzname) {
 var currentYear = new Date().getFullYear();
 var winter = new Date(currentYear, 0, 1);
 var summer = new Date(currentYear, 6, 1);
 var winterOffset = winter.getTimezoneOffset();
 var summerOffset = summer.getTimezoneOffset();
 var stdTimezoneOffset = Math.max(winterOffset, summerOffset);
 GROWABLE_HEAP_U32()[timezone >>> 2] = stdTimezoneOffset * 60;
 GROWABLE_HEAP_I32()[daylight >>> 2] = Number(winterOffset != summerOffset);
 function extractZone(date) {
  var match = date.toTimeString().match(/\(([A-Za-z ]+)\)$/);
  return match ? match[1] : "GMT";
 }
 var winterName = extractZone(winter);
 var summerName = extractZone(summer);
 var winterNamePtr = allocateUTF8(winterName);
 var summerNamePtr = allocateUTF8(summerName);
 if (summerOffset < winterOffset) {
  GROWABLE_HEAP_U32()[tzname >>> 2] = winterNamePtr;
  GROWABLE_HEAP_U32()[tzname + 4 >>> 2] = summerNamePtr;
 } else {
  GROWABLE_HEAP_U32()[tzname >>> 2] = summerNamePtr;
  GROWABLE_HEAP_U32()[tzname + 4 >>> 2] = winterNamePtr;
 }
}

function _abort() {
 abort("");
}

var readEmAsmArgsArray = [];

function readEmAsmArgs(sigPtr, buf) {
 readEmAsmArgsArray.length = 0;
 var ch;
 buf >>= 2;
 while (ch = GROWABLE_HEAP_U8()[sigPtr++ >>> 0]) {
  buf += ch != 105 & buf;
  readEmAsmArgsArray.push(ch == 105 ? GROWABLE_HEAP_I32()[buf >>> 0] : (ch == 106 ? HEAP64 : GROWABLE_HEAP_F64())[buf++ >> 1]);
  ++buf;
 }
 return readEmAsmArgsArray;
}

function runEmAsmFunction(code, sigPtr, argbuf) {
 var args = readEmAsmArgs(sigPtr, argbuf);
 return ASM_CONSTS[code].apply(null, args);
}

function _emscripten_asm_const_int(code, sigPtr, argbuf) {
 return runEmAsmFunction(code, sigPtr, argbuf);
}

function warnOnce(text) {
 if (!warnOnce.shown) warnOnce.shown = {};
 if (!warnOnce.shown[text]) {
  warnOnce.shown[text] = 1;
  if (ENVIRONMENT_IS_NODE) text = "warning: " + text;
  err(text);
 }
}

function _emscripten_check_blocking_allowed() {
 if (ENVIRONMENT_IS_NODE) return;
 if (ENVIRONMENT_IS_WORKER) return;
 warnOnce("Blocking on the main thread is very dangerous, see https://emscripten.org/docs/porting/pthreads.html#blocking-on-the-main-browser-thread");
}

function _emscripten_date_now() {
 return Date.now();
}

function setLetterbox(element, topBottom, leftRight) {
 element.style.paddingLeft = element.style.paddingRight = leftRight + "px";
 element.style.paddingTop = element.style.paddingBottom = topBottom + "px";
}

function hideEverythingExceptGivenElement(onlyVisibleElement) {
 var child = onlyVisibleElement;
 var parent = child.parentNode;
 var hiddenElements = [];
 while (child != document.body) {
  var children = parent.children;
  for (var i = 0; i < children.length; ++i) {
   if (children[i] != child) {
    hiddenElements.push({
     node: children[i],
     displayState: children[i].style.display
    });
    children[i].style.display = "none";
   }
  }
  child = parent;
  parent = parent.parentNode;
 }
 return hiddenElements;
}

var restoreOldWindowedStyle = null;

function _emscripten_get_canvas_element_size_calling_thread(target, width, height) {
 var canvas = findCanvasEventTarget(target);
 if (!canvas) return -4;
 if (canvas.canvasSharedPtr) {
  var w = GROWABLE_HEAP_I32()[canvas.canvasSharedPtr >>> 2];
  var h = GROWABLE_HEAP_I32()[canvas.canvasSharedPtr + 4 >>> 2];
  GROWABLE_HEAP_I32()[width >>> 2] = w;
  GROWABLE_HEAP_I32()[height >>> 2] = h;
 } else if (canvas.offscreenCanvas) {
  GROWABLE_HEAP_I32()[width >>> 2] = canvas.offscreenCanvas.width;
  GROWABLE_HEAP_I32()[height >>> 2] = canvas.offscreenCanvas.height;
 } else if (!canvas.controlTransferredOffscreen) {
  GROWABLE_HEAP_I32()[width >>> 2] = canvas.width;
  GROWABLE_HEAP_I32()[height >>> 2] = canvas.height;
 } else {
  return -4;
 }
 return 0;
}

function _emscripten_get_canvas_element_size_main_thread(target, width, height) {
 if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(32, 1, target, width, height);
 return _emscripten_get_canvas_element_size_calling_thread(target, width, height);
}

function _emscripten_get_canvas_element_size(target, width, height) {
 var canvas = findCanvasEventTarget(target);
 if (canvas) {
  return _emscripten_get_canvas_element_size_calling_thread(target, width, height);
 }
 return _emscripten_get_canvas_element_size_main_thread(target, width, height);
}

function getCanvasElementSize(target) {
 return withStackSave(function() {
  var w = stackAlloc(8);
  var h = w + 4;
  var targetInt = stackAlloc(target.id.length + 1);
  stringToUTF8(target.id, targetInt, target.id.length + 1);
  var ret = _emscripten_get_canvas_element_size(targetInt, w, h);
  var size = [ GROWABLE_HEAP_I32()[w >>> 2], GROWABLE_HEAP_I32()[h >>> 2] ];
  return size;
 });
}

function setCanvasElementSize(target, width, height) {
 if (!target.controlTransferredOffscreen) {
  target.width = width;
  target.height = height;
 } else {
  withStackSave(function() {
   var targetInt = stackAlloc(target.id.length + 1);
   stringToUTF8(target.id, targetInt, target.id.length + 1);
   _emscripten_set_canvas_element_size(targetInt, width, height);
  });
 }
}

function registerRestoreOldStyle(canvas) {
 var canvasSize = getCanvasElementSize(canvas);
 var oldWidth = canvasSize[0];
 var oldHeight = canvasSize[1];
 var oldCssWidth = canvas.style.width;
 var oldCssHeight = canvas.style.height;
 var oldBackgroundColor = canvas.style.backgroundColor;
 var oldDocumentBackgroundColor = document.body.style.backgroundColor;
 var oldPaddingLeft = canvas.style.paddingLeft;
 var oldPaddingRight = canvas.style.paddingRight;
 var oldPaddingTop = canvas.style.paddingTop;
 var oldPaddingBottom = canvas.style.paddingBottom;
 var oldMarginLeft = canvas.style.marginLeft;
 var oldMarginRight = canvas.style.marginRight;
 var oldMarginTop = canvas.style.marginTop;
 var oldMarginBottom = canvas.style.marginBottom;
 var oldDocumentBodyMargin = document.body.style.margin;
 var oldDocumentOverflow = document.documentElement.style.overflow;
 var oldDocumentScroll = document.body.scroll;
 var oldImageRendering = canvas.style.imageRendering;
 function restoreOldStyle() {
  var fullscreenElement = document.fullscreenElement || document.webkitFullscreenElement;
  if (!fullscreenElement) {
   document.removeEventListener("fullscreenchange", restoreOldStyle);
   document.removeEventListener("webkitfullscreenchange", restoreOldStyle);
   setCanvasElementSize(canvas, oldWidth, oldHeight);
   canvas.style.width = oldCssWidth;
   canvas.style.height = oldCssHeight;
   canvas.style.backgroundColor = oldBackgroundColor;
   if (!oldDocumentBackgroundColor) document.body.style.backgroundColor = "white";
   document.body.style.backgroundColor = oldDocumentBackgroundColor;
   canvas.style.paddingLeft = oldPaddingLeft;
   canvas.style.paddingRight = oldPaddingRight;
   canvas.style.paddingTop = oldPaddingTop;
   canvas.style.paddingBottom = oldPaddingBottom;
   canvas.style.marginLeft = oldMarginLeft;
   canvas.style.marginRight = oldMarginRight;
   canvas.style.marginTop = oldMarginTop;
   canvas.style.marginBottom = oldMarginBottom;
   document.body.style.margin = oldDocumentBodyMargin;
   document.documentElement.style.overflow = oldDocumentOverflow;
   document.body.scroll = oldDocumentScroll;
   canvas.style.imageRendering = oldImageRendering;
   if (canvas.GLctxObject) canvas.GLctxObject.GLctx.viewport(0, 0, oldWidth, oldHeight);
   if (currentFullscreenStrategy.canvasResizedCallback) {
    if (currentFullscreenStrategy.canvasResizedCallbackTargetThread) JSEvents.queueEventHandlerOnThread_iiii(currentFullscreenStrategy.canvasResizedCallbackTargetThread, currentFullscreenStrategy.canvasResizedCallback, 37, 0, currentFullscreenStrategy.canvasResizedCallbackUserData); else getWasmTableEntry(currentFullscreenStrategy.canvasResizedCallback)(37, 0, currentFullscreenStrategy.canvasResizedCallbackUserData);
   }
  }
 }
 document.addEventListener("fullscreenchange", restoreOldStyle);
 document.addEventListener("webkitfullscreenchange", restoreOldStyle);
 return restoreOldStyle;
}

function restoreHiddenElements(hiddenElements) {
 for (var i = 0; i < hiddenElements.length; ++i) {
  hiddenElements[i].node.style.display = hiddenElements[i].displayState;
 }
}

var currentFullscreenStrategy = {};

function jstoi_q(str) {
 return parseInt(str);
}

function softFullscreenResizeWebGLRenderTarget() {
 var dpr = devicePixelRatio;
 var inHiDPIFullscreenMode = currentFullscreenStrategy.canvasResolutionScaleMode == 2;
 var inAspectRatioFixedFullscreenMode = currentFullscreenStrategy.scaleMode == 2;
 var inPixelPerfectFullscreenMode = currentFullscreenStrategy.canvasResolutionScaleMode != 0;
 var inCenteredWithoutScalingFullscreenMode = currentFullscreenStrategy.scaleMode == 3;
 var screenWidth = inHiDPIFullscreenMode ? Math.round(innerWidth * dpr) : innerWidth;
 var screenHeight = inHiDPIFullscreenMode ? Math.round(innerHeight * dpr) : innerHeight;
 var w = screenWidth;
 var h = screenHeight;
 var canvas = currentFullscreenStrategy.target;
 var canvasSize = getCanvasElementSize(canvas);
 var x = canvasSize[0];
 var y = canvasSize[1];
 var topMargin;
 if (inAspectRatioFixedFullscreenMode) {
  if (w * y < x * h) h = w * y / x | 0; else if (w * y > x * h) w = h * x / y | 0;
  topMargin = (screenHeight - h) / 2 | 0;
 }
 if (inPixelPerfectFullscreenMode) {
  setCanvasElementSize(canvas, w, h);
  if (canvas.GLctxObject) canvas.GLctxObject.GLctx.viewport(0, 0, w, h);
 }
 if (inHiDPIFullscreenMode) {
  topMargin /= dpr;
  w /= dpr;
  h /= dpr;
  w = Math.round(w * 1e4) / 1e4;
  h = Math.round(h * 1e4) / 1e4;
  topMargin = Math.round(topMargin * 1e4) / 1e4;
 }
 if (inCenteredWithoutScalingFullscreenMode) {
  var t = (innerHeight - jstoi_q(canvas.style.height)) / 2;
  var b = (innerWidth - jstoi_q(canvas.style.width)) / 2;
  setLetterbox(canvas, t, b);
 } else {
  canvas.style.width = w + "px";
  canvas.style.height = h + "px";
  var b = (innerWidth - w) / 2;
  setLetterbox(canvas, topMargin, b);
 }
 if (!inCenteredWithoutScalingFullscreenMode && currentFullscreenStrategy.canvasResizedCallback) {
  if (currentFullscreenStrategy.canvasResizedCallbackTargetThread) JSEvents.queueEventHandlerOnThread_iiii(currentFullscreenStrategy.canvasResizedCallbackTargetThread, currentFullscreenStrategy.canvasResizedCallback, 37, 0, currentFullscreenStrategy.canvasResizedCallbackUserData); else getWasmTableEntry(currentFullscreenStrategy.canvasResizedCallback)(37, 0, currentFullscreenStrategy.canvasResizedCallbackUserData);
 }
}

var specialHTMLTargets = [ 0, typeof document != "undefined" ? document : 0, typeof window != "undefined" ? window : 0 ];

function getBoundingClientRect(e) {
 return specialHTMLTargets.indexOf(e) < 0 ? e.getBoundingClientRect() : {
  "left": 0,
  "top": 0
 };
}

function JSEvents_resizeCanvasForFullscreen(target, strategy) {
 var restoreOldStyle = registerRestoreOldStyle(target);
 var cssWidth = strategy.softFullscreen ? innerWidth : screen.width;
 var cssHeight = strategy.softFullscreen ? innerHeight : screen.height;
 var rect = getBoundingClientRect(target);
 var windowedCssWidth = rect.width;
 var windowedCssHeight = rect.height;
 var canvasSize = getCanvasElementSize(target);
 var windowedRttWidth = canvasSize[0];
 var windowedRttHeight = canvasSize[1];
 if (strategy.scaleMode == 3) {
  setLetterbox(target, (cssHeight - windowedCssHeight) / 2, (cssWidth - windowedCssWidth) / 2);
  cssWidth = windowedCssWidth;
  cssHeight = windowedCssHeight;
 } else if (strategy.scaleMode == 2) {
  if (cssWidth * windowedRttHeight < windowedRttWidth * cssHeight) {
   var desiredCssHeight = windowedRttHeight * cssWidth / windowedRttWidth;
   setLetterbox(target, (cssHeight - desiredCssHeight) / 2, 0);
   cssHeight = desiredCssHeight;
  } else {
   var desiredCssWidth = windowedRttWidth * cssHeight / windowedRttHeight;
   setLetterbox(target, 0, (cssWidth - desiredCssWidth) / 2);
   cssWidth = desiredCssWidth;
  }
 }
 if (!target.style.backgroundColor) target.style.backgroundColor = "black";
 if (!document.body.style.backgroundColor) document.body.style.backgroundColor = "black";
 target.style.width = cssWidth + "px";
 target.style.height = cssHeight + "px";
 if (strategy.filteringMode == 1) {
  target.style.imageRendering = "optimizeSpeed";
  target.style.imageRendering = "-moz-crisp-edges";
  target.style.imageRendering = "-o-crisp-edges";
  target.style.imageRendering = "-webkit-optimize-contrast";
  target.style.imageRendering = "optimize-contrast";
  target.style.imageRendering = "crisp-edges";
  target.style.imageRendering = "pixelated";
 }
 var dpiScale = strategy.canvasResolutionScaleMode == 2 ? devicePixelRatio : 1;
 if (strategy.canvasResolutionScaleMode != 0) {
  var newWidth = cssWidth * dpiScale | 0;
  var newHeight = cssHeight * dpiScale | 0;
  setCanvasElementSize(target, newWidth, newHeight);
  if (target.GLctxObject) target.GLctxObject.GLctx.viewport(0, 0, newWidth, newHeight);
 }
 return restoreOldStyle;
}

function findEventTarget(target) {
 target = maybeCStringToJsString(target);
 var domElement = specialHTMLTargets[target] || (typeof document != "undefined" ? document.querySelector(target) : undefined);
 return domElement;
}

function _emscripten_enter_soft_fullscreen(target, fullscreenStrategy) {
 if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(31, 1, target, fullscreenStrategy);
 target = findEventTarget(target);
 if (!target) return -4;
 var strategy = {
  scaleMode: GROWABLE_HEAP_I32()[fullscreenStrategy >>> 2],
  canvasResolutionScaleMode: GROWABLE_HEAP_I32()[fullscreenStrategy + 4 >>> 2],
  filteringMode: GROWABLE_HEAP_I32()[fullscreenStrategy + 8 >>> 2],
  canvasResizedCallback: GROWABLE_HEAP_I32()[fullscreenStrategy + 12 >>> 2],
  canvasResizedCallbackUserData: GROWABLE_HEAP_I32()[fullscreenStrategy + 16 >>> 2],
  canvasResizedCallbackTargetThread: JSEvents.getTargetThreadForEventCallback(),
  target: target,
  softFullscreen: true
 };
 var restoreOldStyle = JSEvents_resizeCanvasForFullscreen(target, strategy);
 document.documentElement.style.overflow = "hidden";
 document.body.scroll = "no";
 document.body.style.margin = "0px";
 var hiddenElements = hideEverythingExceptGivenElement(target);
 function restoreWindowedState() {
  restoreOldStyle();
  restoreHiddenElements(hiddenElements);
  removeEventListener("resize", softFullscreenResizeWebGLRenderTarget);
  if (strategy.canvasResizedCallback) {
   if (strategy.canvasResizedCallbackTargetThread) JSEvents.queueEventHandlerOnThread_iiii(strategy.canvasResizedCallbackTargetThread, strategy.canvasResizedCallback, 37, 0, strategy.canvasResizedCallbackUserData); else getWasmTableEntry(strategy.canvasResizedCallback)(37, 0, strategy.canvasResizedCallbackUserData);
  }
  currentFullscreenStrategy = 0;
 }
 restoreOldWindowedStyle = restoreWindowedState;
 currentFullscreenStrategy = strategy;
 addEventListener("resize", softFullscreenResizeWebGLRenderTarget);
 if (strategy.canvasResizedCallback) {
  if (strategy.canvasResizedCallbackTargetThread) JSEvents.queueEventHandlerOnThread_iiii(strategy.canvasResizedCallbackTargetThread, strategy.canvasResizedCallback, 37, 0, strategy.canvasResizedCallbackUserData); else getWasmTableEntry(strategy.canvasResizedCallback)(37, 0, strategy.canvasResizedCallbackUserData);
 }
 return 0;
}

function _emscripten_get_device_pixel_ratio() {
 if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(33, 1);
 return typeof devicePixelRatio == "number" && devicePixelRatio || 1;
}

function _emscripten_get_element_css_size(target, width, height) {
 if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(34, 1, target, width, height);
 target = findEventTarget(target);
 if (!target) return -4;
 var rect = getBoundingClientRect(target);
 GROWABLE_HEAP_F64()[width >>> 3] = rect.width;
 GROWABLE_HEAP_F64()[height >>> 3] = rect.height;
 return 0;
}

function getHeapMax() {
 return 4294901760;
}

function _emscripten_get_heap_max() {
 return getHeapMax();
}

var _emscripten_get_now;

if (ENVIRONMENT_IS_NODE) {
 _emscripten_get_now = () => {
  var t = process["hrtime"]();
  return t[0] * 1e3 + t[1] / 1e6;
 };
} else _emscripten_get_now = () => performance.timeOrigin + performance.now();

function _emscripten_glActiveTexture(x0) {
 GLctx["activeTexture"](x0);
}

function _emscripten_glAttachShader(program, shader) {
 GLctx.attachShader(GL.programs[program], GL.shaders[shader]);
}

function _emscripten_glBeginQuery(target, id) {
 GLctx["beginQuery"](target, GL.queries[id]);
}

function _emscripten_glBeginQueryEXT(target, id) {
 GLctx.disjointTimerQueryExt["beginQueryEXT"](target, GL.queries[id]);
}

function _emscripten_glBeginTransformFeedback(x0) {
 GLctx["beginTransformFeedback"](x0);
}

function _emscripten_glBindAttribLocation(program, index, name) {
 GLctx.bindAttribLocation(GL.programs[program], index, UTF8ToString(name));
}

function _emscripten_glBindBuffer(target, buffer) {
 if (target == 34962) {
  GLctx.currentArrayBufferBinding = buffer;
 } else if (target == 34963) {
  GLctx.currentElementArrayBufferBinding = buffer;
 }
 if (target == 35051) {
  GLctx.currentPixelPackBufferBinding = buffer;
 } else if (target == 35052) {
  GLctx.currentPixelUnpackBufferBinding = buffer;
 }
 GLctx.bindBuffer(target, GL.buffers[buffer]);
}

function _emscripten_glBindBufferBase(target, index, buffer) {
 GLctx["bindBufferBase"](target, index, GL.buffers[buffer]);
}

function _emscripten_glBindBufferRange(target, index, buffer, offset, ptrsize) {
 GLctx["bindBufferRange"](target, index, GL.buffers[buffer], offset, ptrsize);
}

function _emscripten_glBindFramebuffer(target, framebuffer) {
 GLctx.bindFramebuffer(target, GL.framebuffers[framebuffer]);
}

function _emscripten_glBindRenderbuffer(target, renderbuffer) {
 GLctx.bindRenderbuffer(target, GL.renderbuffers[renderbuffer]);
}

function _emscripten_glBindSampler(unit, sampler) {
 GLctx["bindSampler"](unit, GL.samplers[sampler]);
}

function _emscripten_glBindTexture(target, texture) {
 GLctx.bindTexture(target, GL.textures[texture]);
}

function _emscripten_glBindTransformFeedback(target, id) {
 GLctx["bindTransformFeedback"](target, GL.transformFeedbacks[id]);
}

function _emscripten_glBindVertexArray(vao) {
 GLctx["bindVertexArray"](GL.vaos[vao]);
 var ibo = GLctx.getParameter(34965);
 GLctx.currentElementArrayBufferBinding = ibo ? ibo.name | 0 : 0;
}

function _emscripten_glBindVertexArrayOES(vao) {
 GLctx["bindVertexArray"](GL.vaos[vao]);
 var ibo = GLctx.getParameter(34965);
 GLctx.currentElementArrayBufferBinding = ibo ? ibo.name | 0 : 0;
}

function _emscripten_glBlendColor(x0, x1, x2, x3) {
 GLctx["blendColor"](x0, x1, x2, x3);
}

function _emscripten_glBlendEquation(x0) {
 GLctx["blendEquation"](x0);
}

function _emscripten_glBlendEquationSeparate(x0, x1) {
 GLctx["blendEquationSeparate"](x0, x1);
}

function _emscripten_glBlendFunc(x0, x1) {
 GLctx["blendFunc"](x0, x1);
}

function _emscripten_glBlendFuncSeparate(x0, x1, x2, x3) {
 GLctx["blendFuncSeparate"](x0, x1, x2, x3);
}

function _emscripten_glBlitFramebuffer(x0, x1, x2, x3, x4, x5, x6, x7, x8, x9) {
 GLctx["blitFramebuffer"](x0, x1, x2, x3, x4, x5, x6, x7, x8, x9);
}

function _emscripten_glBufferData(target, size, data, usage) {
 if (true) {
  if (data && size) {
   GLctx.bufferData(target, GROWABLE_HEAP_U8(), usage, data, size);
  } else {
   GLctx.bufferData(target, size, usage);
  }
 } else {
  GLctx.bufferData(target, data ? GROWABLE_HEAP_U8().subarray(data >>> 0, data + size >>> 0) : size, usage);
 }
}

function _emscripten_glBufferSubData(target, offset, size, data) {
 if (true) {
  size && GLctx.bufferSubData(target, offset, GROWABLE_HEAP_U8(), data, size);
  return;
 }
 GLctx.bufferSubData(target, offset, GROWABLE_HEAP_U8().subarray(data >>> 0, data + size >>> 0));
}

function _emscripten_glCheckFramebufferStatus(x0) {
 return GLctx["checkFramebufferStatus"](x0);
}

function _emscripten_glClear(x0) {
 GLctx["clear"](x0);
}

function _emscripten_glClearBufferfi(x0, x1, x2, x3) {
 GLctx["clearBufferfi"](x0, x1, x2, x3);
}

function _emscripten_glClearBufferfv(buffer, drawbuffer, value) {
 GLctx["clearBufferfv"](buffer, drawbuffer, GROWABLE_HEAP_F32(), value >> 2);
}

function _emscripten_glClearBufferiv(buffer, drawbuffer, value) {
 GLctx["clearBufferiv"](buffer, drawbuffer, GROWABLE_HEAP_I32(), value >> 2);
}

function _emscripten_glClearBufferuiv(buffer, drawbuffer, value) {
 GLctx["clearBufferuiv"](buffer, drawbuffer, GROWABLE_HEAP_U32(), value >> 2);
}

function _emscripten_glClearColor(x0, x1, x2, x3) {
 GLctx["clearColor"](x0, x1, x2, x3);
}

function _emscripten_glClearDepthf(x0) {
 GLctx["clearDepth"](x0);
}

function _emscripten_glClearStencil(x0) {
 GLctx["clearStencil"](x0);
}

function _emscripten_glClientWaitSync(sync, flags, timeout) {
 timeout = Number(timeout);
 return GLctx.clientWaitSync(GL.syncs[sync], flags, timeout);
}

function _emscripten_glColorMask(red, green, blue, alpha) {
 GLctx.colorMask(!!red, !!green, !!blue, !!alpha);
}

function _emscripten_glCompileShader(shader) {
 GLctx.compileShader(GL.shaders[shader]);
}

function _emscripten_glCompressedTexImage2D(target, level, internalFormat, width, height, border, imageSize, data) {
 if (true) {
  if (GLctx.currentPixelUnpackBufferBinding || !imageSize) {
   GLctx["compressedTexImage2D"](target, level, internalFormat, width, height, border, imageSize, data);
  } else {
   GLctx["compressedTexImage2D"](target, level, internalFormat, width, height, border, GROWABLE_HEAP_U8(), data, imageSize);
  }
  return;
 }
 GLctx["compressedTexImage2D"](target, level, internalFormat, width, height, border, data ? GROWABLE_HEAP_U8().subarray(data >>> 0, data + imageSize >>> 0) : null);
}

function _emscripten_glCompressedTexImage3D(target, level, internalFormat, width, height, depth, border, imageSize, data) {
 if (GLctx.currentPixelUnpackBufferBinding) {
  GLctx["compressedTexImage3D"](target, level, internalFormat, width, height, depth, border, imageSize, data);
 } else {
  GLctx["compressedTexImage3D"](target, level, internalFormat, width, height, depth, border, GROWABLE_HEAP_U8(), data, imageSize);
 }
}

function _emscripten_glCompressedTexSubImage2D(target, level, xoffset, yoffset, width, height, format, imageSize, data) {
 if (true) {
  if (GLctx.currentPixelUnpackBufferBinding || !imageSize) {
   GLctx["compressedTexSubImage2D"](target, level, xoffset, yoffset, width, height, format, imageSize, data);
  } else {
   GLctx["compressedTexSubImage2D"](target, level, xoffset, yoffset, width, height, format, GROWABLE_HEAP_U8(), data, imageSize);
  }
  return;
 }
 GLctx["compressedTexSubImage2D"](target, level, xoffset, yoffset, width, height, format, data ? GROWABLE_HEAP_U8().subarray(data >>> 0, data + imageSize >>> 0) : null);
}

function _emscripten_glCompressedTexSubImage3D(target, level, xoffset, yoffset, zoffset, width, height, depth, format, imageSize, data) {
 if (GLctx.currentPixelUnpackBufferBinding) {
  GLctx["compressedTexSubImage3D"](target, level, xoffset, yoffset, zoffset, width, height, depth, format, imageSize, data);
 } else {
  GLctx["compressedTexSubImage3D"](target, level, xoffset, yoffset, zoffset, width, height, depth, format, GROWABLE_HEAP_U8(), data, imageSize);
 }
}

function _emscripten_glCopyBufferSubData(x0, x1, x2, x3, x4) {
 GLctx["copyBufferSubData"](x0, x1, x2, x3, x4);
}

function _emscripten_glCopyTexImage2D(x0, x1, x2, x3, x4, x5, x6, x7) {
 GLctx["copyTexImage2D"](x0, x1, x2, x3, x4, x5, x6, x7);
}

function _emscripten_glCopyTexSubImage2D(x0, x1, x2, x3, x4, x5, x6, x7) {
 GLctx["copyTexSubImage2D"](x0, x1, x2, x3, x4, x5, x6, x7);
}

function _emscripten_glCopyTexSubImage3D(x0, x1, x2, x3, x4, x5, x6, x7, x8) {
 GLctx["copyTexSubImage3D"](x0, x1, x2, x3, x4, x5, x6, x7, x8);
}

function _emscripten_glCreateProgram() {
 var id = GL.getNewId(GL.programs);
 var program = GLctx.createProgram();
 program.name = id;
 program.maxUniformLength = program.maxAttributeLength = program.maxUniformBlockNameLength = 0;
 program.uniformIdCounter = 1;
 GL.programs[id] = program;
 return id;
}

function _emscripten_glCreateShader(shaderType) {
 var id = GL.getNewId(GL.shaders);
 GL.shaders[id] = GLctx.createShader(shaderType);
 return id;
}

function _emscripten_glCullFace(x0) {
 GLctx["cullFace"](x0);
}

function _emscripten_glDeleteBuffers(n, buffers) {
 for (var i = 0; i < n; i++) {
  var id = GROWABLE_HEAP_I32()[buffers + i * 4 >>> 2];
  var buffer = GL.buffers[id];
  if (!buffer) continue;
  GLctx.deleteBuffer(buffer);
  buffer.name = 0;
  GL.buffers[id] = null;
  if (id == GLctx.currentArrayBufferBinding) GLctx.currentArrayBufferBinding = 0;
  if (id == GLctx.currentElementArrayBufferBinding) GLctx.currentElementArrayBufferBinding = 0;
  if (id == GLctx.currentPixelPackBufferBinding) GLctx.currentPixelPackBufferBinding = 0;
  if (id == GLctx.currentPixelUnpackBufferBinding) GLctx.currentPixelUnpackBufferBinding = 0;
 }
}

function _emscripten_glDeleteFramebuffers(n, framebuffers) {
 for (var i = 0; i < n; ++i) {
  var id = GROWABLE_HEAP_I32()[framebuffers + i * 4 >>> 2];
  var framebuffer = GL.framebuffers[id];
  if (!framebuffer) continue;
  GLctx.deleteFramebuffer(framebuffer);
  framebuffer.name = 0;
  GL.framebuffers[id] = null;
 }
}

function _emscripten_glDeleteProgram(id) {
 if (!id) return;
 var program = GL.programs[id];
 if (!program) {
  GL.recordError(1281);
  return;
 }
 GLctx.deleteProgram(program);
 program.name = 0;
 GL.programs[id] = null;
}

function _emscripten_glDeleteQueries(n, ids) {
 for (var i = 0; i < n; i++) {
  var id = GROWABLE_HEAP_I32()[ids + i * 4 >>> 2];
  var query = GL.queries[id];
  if (!query) continue;
  GLctx["deleteQuery"](query);
  GL.queries[id] = null;
 }
}

function _emscripten_glDeleteQueriesEXT(n, ids) {
 for (var i = 0; i < n; i++) {
  var id = GROWABLE_HEAP_I32()[ids + i * 4 >>> 2];
  var query = GL.queries[id];
  if (!query) continue;
  GLctx.disjointTimerQueryExt["deleteQueryEXT"](query);
  GL.queries[id] = null;
 }
}

function _emscripten_glDeleteRenderbuffers(n, renderbuffers) {
 for (var i = 0; i < n; i++) {
  var id = GROWABLE_HEAP_I32()[renderbuffers + i * 4 >>> 2];
  var renderbuffer = GL.renderbuffers[id];
  if (!renderbuffer) continue;
  GLctx.deleteRenderbuffer(renderbuffer);
  renderbuffer.name = 0;
  GL.renderbuffers[id] = null;
 }
}

function _emscripten_glDeleteSamplers(n, samplers) {
 for (var i = 0; i < n; i++) {
  var id = GROWABLE_HEAP_I32()[samplers + i * 4 >>> 2];
  var sampler = GL.samplers[id];
  if (!sampler) continue;
  GLctx["deleteSampler"](sampler);
  sampler.name = 0;
  GL.samplers[id] = null;
 }
}

function _emscripten_glDeleteShader(id) {
 if (!id) return;
 var shader = GL.shaders[id];
 if (!shader) {
  GL.recordError(1281);
  return;
 }
 GLctx.deleteShader(shader);
 GL.shaders[id] = null;
}

function _emscripten_glDeleteSync(id) {
 if (!id) return;
 var sync = GL.syncs[id];
 if (!sync) {
  GL.recordError(1281);
  return;
 }
 GLctx.deleteSync(sync);
 sync.name = 0;
 GL.syncs[id] = null;
}

function _emscripten_glDeleteTextures(n, textures) {
 for (var i = 0; i < n; i++) {
  var id = GROWABLE_HEAP_I32()[textures + i * 4 >>> 2];
  var texture = GL.textures[id];
  if (!texture) continue;
  GLctx.deleteTexture(texture);
  texture.name = 0;
  GL.textures[id] = null;
 }
}

function _emscripten_glDeleteTransformFeedbacks(n, ids) {
 for (var i = 0; i < n; i++) {
  var id = GROWABLE_HEAP_I32()[ids + i * 4 >>> 2];
  var transformFeedback = GL.transformFeedbacks[id];
  if (!transformFeedback) continue;
  GLctx["deleteTransformFeedback"](transformFeedback);
  transformFeedback.name = 0;
  GL.transformFeedbacks[id] = null;
 }
}

function _emscripten_glDeleteVertexArrays(n, vaos) {
 for (var i = 0; i < n; i++) {
  var id = GROWABLE_HEAP_I32()[vaos + i * 4 >>> 2];
  GLctx["deleteVertexArray"](GL.vaos[id]);
  GL.vaos[id] = null;
 }
}

function _emscripten_glDeleteVertexArraysOES(n, vaos) {
 for (var i = 0; i < n; i++) {
  var id = GROWABLE_HEAP_I32()[vaos + i * 4 >>> 2];
  GLctx["deleteVertexArray"](GL.vaos[id]);
  GL.vaos[id] = null;
 }
}

function _emscripten_glDepthFunc(x0) {
 GLctx["depthFunc"](x0);
}

function _emscripten_glDepthMask(flag) {
 GLctx.depthMask(!!flag);
}

function _emscripten_glDepthRangef(x0, x1) {
 GLctx["depthRange"](x0, x1);
}

function _emscripten_glDetachShader(program, shader) {
 GLctx.detachShader(GL.programs[program], GL.shaders[shader]);
}

function _emscripten_glDisable(x0) {
 GLctx["disable"](x0);
}

function _emscripten_glDisableVertexAttribArray(index) {
 var cb = GL.currentContext.clientBuffers[index];
 cb.enabled = false;
 GLctx.disableVertexAttribArray(index);
}

function _emscripten_glDrawArrays(mode, first, count) {
 GL.preDrawHandleClientVertexAttribBindings(first + count);
 GLctx.drawArrays(mode, first, count);
 GL.postDrawHandleClientVertexAttribBindings();
}

function _emscripten_glDrawArraysInstanced(mode, first, count, primcount) {
 GLctx["drawArraysInstanced"](mode, first, count, primcount);
}

function _emscripten_glDrawArraysInstancedANGLE(mode, first, count, primcount) {
 GLctx["drawArraysInstanced"](mode, first, count, primcount);
}

function _emscripten_glDrawArraysInstancedARB(mode, first, count, primcount) {
 GLctx["drawArraysInstanced"](mode, first, count, primcount);
}

function _emscripten_glDrawArraysInstancedEXT(mode, first, count, primcount) {
 GLctx["drawArraysInstanced"](mode, first, count, primcount);
}

function _emscripten_glDrawArraysInstancedNV(mode, first, count, primcount) {
 GLctx["drawArraysInstanced"](mode, first, count, primcount);
}

var tempFixedLengthArray = [];

function _emscripten_glDrawBuffers(n, bufs) {
 var bufArray = tempFixedLengthArray[n];
 for (var i = 0; i < n; i++) {
  bufArray[i] = GROWABLE_HEAP_I32()[bufs + i * 4 >>> 2];
 }
 GLctx["drawBuffers"](bufArray);
}

function _emscripten_glDrawBuffersEXT(n, bufs) {
 var bufArray = tempFixedLengthArray[n];
 for (var i = 0; i < n; i++) {
  bufArray[i] = GROWABLE_HEAP_I32()[bufs + i * 4 >>> 2];
 }
 GLctx["drawBuffers"](bufArray);
}

function _emscripten_glDrawBuffersWEBGL(n, bufs) {
 var bufArray = tempFixedLengthArray[n];
 for (var i = 0; i < n; i++) {
  bufArray[i] = GROWABLE_HEAP_I32()[bufs + i * 4 >>> 2];
 }
 GLctx["drawBuffers"](bufArray);
}

function _emscripten_glDrawElements(mode, count, type, indices) {
 var buf;
 if (!GLctx.currentElementArrayBufferBinding) {
  var size = GL.calcBufLength(1, type, 0, count);
  buf = GL.getTempIndexBuffer(size);
  GLctx.bindBuffer(34963, buf);
  GLctx.bufferSubData(34963, 0, GROWABLE_HEAP_U8().subarray(indices >>> 0, indices + size >>> 0));
  indices = 0;
 }
 GL.preDrawHandleClientVertexAttribBindings(count);
 GLctx.drawElements(mode, count, type, indices);
 GL.postDrawHandleClientVertexAttribBindings(count);
 if (!GLctx.currentElementArrayBufferBinding) {
  GLctx.bindBuffer(34963, null);
 }
}

function _emscripten_glDrawElementsInstanced(mode, count, type, indices, primcount) {
 GLctx["drawElementsInstanced"](mode, count, type, indices, primcount);
}

function _emscripten_glDrawElementsInstancedANGLE(mode, count, type, indices, primcount) {
 GLctx["drawElementsInstanced"](mode, count, type, indices, primcount);
}

function _emscripten_glDrawElementsInstancedARB(mode, count, type, indices, primcount) {
 GLctx["drawElementsInstanced"](mode, count, type, indices, primcount);
}

function _emscripten_glDrawElementsInstancedEXT(mode, count, type, indices, primcount) {
 GLctx["drawElementsInstanced"](mode, count, type, indices, primcount);
}

function _emscripten_glDrawElementsInstancedNV(mode, count, type, indices, primcount) {
 GLctx["drawElementsInstanced"](mode, count, type, indices, primcount);
}

function _glDrawElements(mode, count, type, indices) {
 var buf;
 if (!GLctx.currentElementArrayBufferBinding) {
  var size = GL.calcBufLength(1, type, 0, count);
  buf = GL.getTempIndexBuffer(size);
  GLctx.bindBuffer(34963, buf);
  GLctx.bufferSubData(34963, 0, GROWABLE_HEAP_U8().subarray(indices >>> 0, indices + size >>> 0));
  indices = 0;
 }
 GL.preDrawHandleClientVertexAttribBindings(count);
 GLctx.drawElements(mode, count, type, indices);
 GL.postDrawHandleClientVertexAttribBindings(count);
 if (!GLctx.currentElementArrayBufferBinding) {
  GLctx.bindBuffer(34963, null);
 }
}

function _emscripten_glDrawRangeElements(mode, start, end, count, type, indices) {
 _glDrawElements(mode, count, type, indices);
}

function _emscripten_glEnable(x0) {
 GLctx["enable"](x0);
}

function _emscripten_glEnableVertexAttribArray(index) {
 var cb = GL.currentContext.clientBuffers[index];
 cb.enabled = true;
 GLctx.enableVertexAttribArray(index);
}

function _emscripten_glEndQuery(x0) {
 GLctx["endQuery"](x0);
}

function _emscripten_glEndQueryEXT(target) {
 GLctx.disjointTimerQueryExt["endQueryEXT"](target);
}

function _emscripten_glEndTransformFeedback() {
 GLctx["endTransformFeedback"]();
}

function _emscripten_glFenceSync(condition, flags) {
 var sync = GLctx.fenceSync(condition, flags);
 if (sync) {
  var id = GL.getNewId(GL.syncs);
  sync.name = id;
  GL.syncs[id] = sync;
  return id;
 }
 return 0;
}

function _emscripten_glFinish() {
 GLctx["finish"]();
}

function _emscripten_glFlush() {
 GLctx["flush"]();
}

function emscriptenWebGLGetBufferBinding(target) {
 switch (target) {
 case 34962:
  target = 34964;
  break;

 case 34963:
  target = 34965;
  break;

 case 35051:
  target = 35053;
  break;

 case 35052:
  target = 35055;
  break;

 case 35982:
  target = 35983;
  break;

 case 36662:
  target = 36662;
  break;

 case 36663:
  target = 36663;
  break;

 case 35345:
  target = 35368;
  break;
 }
 var buffer = GLctx.getParameter(target);
 if (buffer) return buffer.name | 0; else return 0;
}

function emscriptenWebGLValidateMapBufferTarget(target) {
 switch (target) {
 case 34962:
 case 34963:
 case 36662:
 case 36663:
 case 35051:
 case 35052:
 case 35882:
 case 35982:
 case 35345:
  return true;

 default:
  return false;
 }
}

function _emscripten_glFlushMappedBufferRange(target, offset, length) {
 if (!emscriptenWebGLValidateMapBufferTarget(target)) {
  GL.recordError(1280);
  err("GL_INVALID_ENUM in glFlushMappedBufferRange");
  return;
 }
 var mapping = GL.mappedBuffers[emscriptenWebGLGetBufferBinding(target)];
 if (!mapping) {
  GL.recordError(1282);
  err("buffer was never mapped in glFlushMappedBufferRange");
  return;
 }
 if (!(mapping.access & 16)) {
  GL.recordError(1282);
  err("buffer was not mapped with GL_MAP_FLUSH_EXPLICIT_BIT in glFlushMappedBufferRange");
  return;
 }
 if (offset < 0 || length < 0 || offset + length > mapping.length) {
  GL.recordError(1281);
  err("invalid range in glFlushMappedBufferRange");
  return;
 }
 GLctx.bufferSubData(target, mapping.offset, GROWABLE_HEAP_U8().subarray(mapping.mem + offset >>> 0, mapping.mem + offset + length >>> 0));
}

function _emscripten_glFramebufferRenderbuffer(target, attachment, renderbuffertarget, renderbuffer) {
 GLctx.framebufferRenderbuffer(target, attachment, renderbuffertarget, GL.renderbuffers[renderbuffer]);
}

function _emscripten_glFramebufferTexture2D(target, attachment, textarget, texture, level) {
 GLctx.framebufferTexture2D(target, attachment, textarget, GL.textures[texture], level);
}

function _emscripten_glFramebufferTextureLayer(target, attachment, texture, level, layer) {
 GLctx.framebufferTextureLayer(target, attachment, GL.textures[texture], level, layer);
}

function _emscripten_glFrontFace(x0) {
 GLctx["frontFace"](x0);
}

function __glGenObject(n, buffers, createFunction, objectTable) {
 for (var i = 0; i < n; i++) {
  var buffer = GLctx[createFunction]();
  var id = buffer && GL.getNewId(objectTable);
  if (buffer) {
   buffer.name = id;
   objectTable[id] = buffer;
  } else {
   GL.recordError(1282);
  }
  GROWABLE_HEAP_I32()[buffers + i * 4 >>> 2] = id;
 }
}

function _emscripten_glGenBuffers(n, buffers) {
 __glGenObject(n, buffers, "createBuffer", GL.buffers);
}

function _emscripten_glGenFramebuffers(n, ids) {
 __glGenObject(n, ids, "createFramebuffer", GL.framebuffers);
}

function _emscripten_glGenQueries(n, ids) {
 __glGenObject(n, ids, "createQuery", GL.queries);
}

function _emscripten_glGenQueriesEXT(n, ids) {
 for (var i = 0; i < n; i++) {
  var query = GLctx.disjointTimerQueryExt["createQueryEXT"]();
  if (!query) {
   GL.recordError(1282);
   while (i < n) GROWABLE_HEAP_I32()[ids + i++ * 4 >>> 2] = 0;
   return;
  }
  var id = GL.getNewId(GL.queries);
  query.name = id;
  GL.queries[id] = query;
  GROWABLE_HEAP_I32()[ids + i * 4 >>> 2] = id;
 }
}

function _emscripten_glGenRenderbuffers(n, renderbuffers) {
 __glGenObject(n, renderbuffers, "createRenderbuffer", GL.renderbuffers);
}

function _emscripten_glGenSamplers(n, samplers) {
 __glGenObject(n, samplers, "createSampler", GL.samplers);
}

function _emscripten_glGenTextures(n, textures) {
 __glGenObject(n, textures, "createTexture", GL.textures);
}

function _emscripten_glGenTransformFeedbacks(n, ids) {
 __glGenObject(n, ids, "createTransformFeedback", GL.transformFeedbacks);
}

function _emscripten_glGenVertexArrays(n, arrays) {
 __glGenObject(n, arrays, "createVertexArray", GL.vaos);
}

function _emscripten_glGenVertexArraysOES(n, arrays) {
 __glGenObject(n, arrays, "createVertexArray", GL.vaos);
}

function _emscripten_glGenerateMipmap(x0) {
 GLctx["generateMipmap"](x0);
}

function __glGetActiveAttribOrUniform(funcName, program, index, bufSize, length, size, type, name) {
 program = GL.programs[program];
 var info = GLctx[funcName](program, index);
 if (info) {
  var numBytesWrittenExclNull = name && stringToUTF8(info.name, name, bufSize);
  if (length) GROWABLE_HEAP_I32()[length >>> 2] = numBytesWrittenExclNull;
  if (size) GROWABLE_HEAP_I32()[size >>> 2] = info.size;
  if (type) GROWABLE_HEAP_I32()[type >>> 2] = info.type;
 }
}

function _emscripten_glGetActiveAttrib(program, index, bufSize, length, size, type, name) {
 __glGetActiveAttribOrUniform("getActiveAttrib", program, index, bufSize, length, size, type, name);
}

function _emscripten_glGetActiveUniform(program, index, bufSize, length, size, type, name) {
 __glGetActiveAttribOrUniform("getActiveUniform", program, index, bufSize, length, size, type, name);
}

function _emscripten_glGetActiveUniformBlockName(program, uniformBlockIndex, bufSize, length, uniformBlockName) {
 program = GL.programs[program];
 var result = GLctx["getActiveUniformBlockName"](program, uniformBlockIndex);
 if (!result) return;
 if (uniformBlockName && bufSize > 0) {
  var numBytesWrittenExclNull = stringToUTF8(result, uniformBlockName, bufSize);
  if (length) GROWABLE_HEAP_I32()[length >>> 2] = numBytesWrittenExclNull;
 } else {
  if (length) GROWABLE_HEAP_I32()[length >>> 2] = 0;
 }
}

function _emscripten_glGetActiveUniformBlockiv(program, uniformBlockIndex, pname, params) {
 if (!params) {
  GL.recordError(1281);
  return;
 }
 program = GL.programs[program];
 if (pname == 35393) {
  var name = GLctx["getActiveUniformBlockName"](program, uniformBlockIndex);
  GROWABLE_HEAP_I32()[params >>> 2] = name.length + 1;
  return;
 }
 var result = GLctx["getActiveUniformBlockParameter"](program, uniformBlockIndex, pname);
 if (result === null) return;
 if (pname == 35395) {
  for (var i = 0; i < result.length; i++) {
   GROWABLE_HEAP_I32()[params + i * 4 >>> 2] = result[i];
  }
 } else {
  GROWABLE_HEAP_I32()[params >>> 2] = result;
 }
}

function _emscripten_glGetActiveUniformsiv(program, uniformCount, uniformIndices, pname, params) {
 if (!params) {
  GL.recordError(1281);
  return;
 }
 if (uniformCount > 0 && uniformIndices == 0) {
  GL.recordError(1281);
  return;
 }
 program = GL.programs[program];
 var ids = [];
 for (var i = 0; i < uniformCount; i++) {
  ids.push(GROWABLE_HEAP_I32()[uniformIndices + i * 4 >>> 2]);
 }
 var result = GLctx["getActiveUniforms"](program, ids, pname);
 if (!result) return;
 var len = result.length;
 for (var i = 0; i < len; i++) {
  GROWABLE_HEAP_I32()[params + i * 4 >>> 2] = result[i];
 }
}

function _emscripten_glGetAttachedShaders(program, maxCount, count, shaders) {
 var result = GLctx.getAttachedShaders(GL.programs[program]);
 var len = result.length;
 if (len > maxCount) {
  len = maxCount;
 }
 GROWABLE_HEAP_I32()[count >>> 2] = len;
 for (var i = 0; i < len; ++i) {
  var id = GL.shaders.indexOf(result[i]);
  GROWABLE_HEAP_I32()[shaders + i * 4 >>> 2] = id;
 }
}

function _emscripten_glGetAttribLocation(program, name) {
 return GLctx.getAttribLocation(GL.programs[program], UTF8ToString(name));
}

function writeI53ToI64(ptr, num) {
 GROWABLE_HEAP_U32()[ptr >>> 2] = num;
 GROWABLE_HEAP_U32()[ptr + 4 >>> 2] = (num - GROWABLE_HEAP_U32()[ptr >>> 2]) / 4294967296;
}

function emscriptenWebGLGet(name_, p, type) {
 if (!p) {
  GL.recordError(1281);
  return;
 }
 var ret = undefined;
 switch (name_) {
 case 36346:
  ret = 1;
  break;

 case 36344:
  if (type != 0 && type != 1) {
   GL.recordError(1280);
  }
  return;

 case 34814:
 case 36345:
  ret = 0;
  break;

 case 34466:
  var formats = GLctx.getParameter(34467);
  ret = formats ? formats.length : 0;
  break;

 case 33309:
  if (GL.currentContext.version < 2) {
   GL.recordError(1282);
   return;
  }
  var exts = GLctx.getSupportedExtensions() || [];
  ret = 2 * exts.length;
  break;

 case 33307:
 case 33308:
  if (GL.currentContext.version < 2) {
   GL.recordError(1280);
   return;
  }
  ret = name_ == 33307 ? 3 : 0;
  break;
 }
 if (ret === undefined) {
  var result = GLctx.getParameter(name_);
  switch (typeof result) {
  case "number":
   ret = result;
   break;

  case "boolean":
   ret = result ? 1 : 0;
   break;

  case "string":
   GL.recordError(1280);
   return;

  case "object":
   if (result === null) {
    switch (name_) {
    case 34964:
    case 35725:
    case 34965:
    case 36006:
    case 36007:
    case 32873:
    case 34229:
    case 36662:
    case 36663:
    case 35053:
    case 35055:
    case 36010:
    case 35097:
    case 35869:
    case 32874:
    case 36389:
    case 35983:
    case 35368:
    case 34068:
     {
      ret = 0;
      break;
     }

    default:
     {
      GL.recordError(1280);
      return;
     }
    }
   } else if (result instanceof Float32Array || result instanceof Uint32Array || result instanceof Int32Array || result instanceof Array) {
    for (var i = 0; i < result.length; ++i) {
     switch (type) {
     case 0:
      GROWABLE_HEAP_I32()[p + i * 4 >>> 2] = result[i];
      break;

     case 2:
      GROWABLE_HEAP_F32()[p + i * 4 >>> 2] = result[i];
      break;

     case 4:
      GROWABLE_HEAP_I8()[p + i >>> 0] = result[i] ? 1 : 0;
      break;
     }
    }
    return;
   } else {
    try {
     ret = result.name | 0;
    } catch (e) {
     GL.recordError(1280);
     err("GL_INVALID_ENUM in glGet" + type + "v: Unknown object returned from WebGL getParameter(" + name_ + ")! (error: " + e + ")");
     return;
    }
   }
   break;

  default:
   GL.recordError(1280);
   err("GL_INVALID_ENUM in glGet" + type + "v: Native code calling glGet" + type + "v(" + name_ + ") and it returns " + result + " of type " + typeof result + "!");
   return;
  }
 }
 switch (type) {
 case 1:
  writeI53ToI64(p, ret);
  break;

 case 0:
  GROWABLE_HEAP_I32()[p >>> 2] = ret;
  break;

 case 2:
  GROWABLE_HEAP_F32()[p >>> 2] = ret;
  break;

 case 4:
  GROWABLE_HEAP_I8()[p >>> 0] = ret ? 1 : 0;
  break;
 }
}

function _emscripten_glGetBooleanv(name_, p) {
 emscriptenWebGLGet(name_, p, 4);
}

function _emscripten_glGetBufferParameteri64v(target, value, data) {
 if (!data) {
  GL.recordError(1281);
  return;
 }
 writeI53ToI64(data, GLctx.getBufferParameter(target, value));
}

function _emscripten_glGetBufferParameteriv(target, value, data) {
 if (!data) {
  GL.recordError(1281);
  return;
 }
 GROWABLE_HEAP_I32()[data >>> 2] = GLctx.getBufferParameter(target, value);
}

function _emscripten_glGetBufferPointerv(target, pname, params) {
 if (pname == 35005) {
  var ptr = 0;
  var mappedBuffer = GL.mappedBuffers[emscriptenWebGLGetBufferBinding(target)];
  if (mappedBuffer) {
   ptr = mappedBuffer.mem;
  }
  GROWABLE_HEAP_I32()[params >>> 2] = ptr;
 } else {
  GL.recordError(1280);
  err("GL_INVALID_ENUM in glGetBufferPointerv");
 }
}

function _emscripten_glGetError() {
 var error = GLctx.getError() || GL.lastError;
 GL.lastError = 0;
 return error;
}

function _emscripten_glGetFloatv(name_, p) {
 emscriptenWebGLGet(name_, p, 2);
}

function _emscripten_glGetFragDataLocation(program, name) {
 return GLctx["getFragDataLocation"](GL.programs[program], UTF8ToString(name));
}

function _emscripten_glGetFramebufferAttachmentParameteriv(target, attachment, pname, params) {
 var result = GLctx.getFramebufferAttachmentParameter(target, attachment, pname);
 if (result instanceof WebGLRenderbuffer || result instanceof WebGLTexture) {
  result = result.name | 0;
 }
 GROWABLE_HEAP_I32()[params >>> 2] = result;
}

function emscriptenWebGLGetIndexed(target, index, data, type) {
 if (!data) {
  GL.recordError(1281);
  return;
 }
 var result = GLctx["getIndexedParameter"](target, index);
 var ret;
 switch (typeof result) {
 case "boolean":
  ret = result ? 1 : 0;
  break;

 case "number":
  ret = result;
  break;

 case "object":
  if (result === null) {
   switch (target) {
   case 35983:
   case 35368:
    ret = 0;
    break;

   default:
    {
     GL.recordError(1280);
     return;
    }
   }
  } else if (result instanceof WebGLBuffer) {
   ret = result.name | 0;
  } else {
   GL.recordError(1280);
   return;
  }
  break;

 default:
  GL.recordError(1280);
  return;
 }
 switch (type) {
 case 1:
  writeI53ToI64(data, ret);
  break;

 case 0:
  GROWABLE_HEAP_I32()[data >>> 2] = ret;
  break;

 case 2:
  GROWABLE_HEAP_F32()[data >>> 2] = ret;
  break;

 case 4:
  GROWABLE_HEAP_I8()[data >>> 0] = ret ? 1 : 0;
  break;

 default:
  throw "internal emscriptenWebGLGetIndexed() error, bad type: " + type;
 }
}

function _emscripten_glGetInteger64i_v(target, index, data) {
 emscriptenWebGLGetIndexed(target, index, data, 1);
}

function _emscripten_glGetInteger64v(name_, p) {
 emscriptenWebGLGet(name_, p, 1);
}

function _emscripten_glGetIntegeri_v(target, index, data) {
 emscriptenWebGLGetIndexed(target, index, data, 0);
}

function _emscripten_glGetIntegerv(name_, p) {
 emscriptenWebGLGet(name_, p, 0);
}

function _emscripten_glGetInternalformativ(target, internalformat, pname, bufSize, params) {
 if (bufSize < 0) {
  GL.recordError(1281);
  return;
 }
 if (!params) {
  GL.recordError(1281);
  return;
 }
 var ret = GLctx["getInternalformatParameter"](target, internalformat, pname);
 if (ret === null) return;
 for (var i = 0; i < ret.length && i < bufSize; ++i) {
  GROWABLE_HEAP_I32()[params + i * 4 >>> 2] = ret[i];
 }
}

function _emscripten_glGetProgramBinary(program, bufSize, length, binaryFormat, binary) {
 GL.recordError(1282);
}

function _emscripten_glGetProgramInfoLog(program, maxLength, length, infoLog) {
 var log = GLctx.getProgramInfoLog(GL.programs[program]);
 if (log === null) log = "(unknown error)";
 var numBytesWrittenExclNull = maxLength > 0 && infoLog ? stringToUTF8(log, infoLog, maxLength) : 0;
 if (length) GROWABLE_HEAP_I32()[length >>> 2] = numBytesWrittenExclNull;
}

function _emscripten_glGetProgramiv(program, pname, p) {
 if (!p) {
  GL.recordError(1281);
  return;
 }
 if (program >= GL.counter) {
  GL.recordError(1281);
  return;
 }
 program = GL.programs[program];
 if (pname == 35716) {
  var log = GLctx.getProgramInfoLog(program);
  if (log === null) log = "(unknown error)";
  GROWABLE_HEAP_I32()[p >>> 2] = log.length + 1;
 } else if (pname == 35719) {
  if (!program.maxUniformLength) {
   for (var i = 0; i < GLctx.getProgramParameter(program, 35718); ++i) {
    program.maxUniformLength = Math.max(program.maxUniformLength, GLctx.getActiveUniform(program, i).name.length + 1);
   }
  }
  GROWABLE_HEAP_I32()[p >>> 2] = program.maxUniformLength;
 } else if (pname == 35722) {
  if (!program.maxAttributeLength) {
   for (var i = 0; i < GLctx.getProgramParameter(program, 35721); ++i) {
    program.maxAttributeLength = Math.max(program.maxAttributeLength, GLctx.getActiveAttrib(program, i).name.length + 1);
   }
  }
  GROWABLE_HEAP_I32()[p >>> 2] = program.maxAttributeLength;
 } else if (pname == 35381) {
  if (!program.maxUniformBlockNameLength) {
   for (var i = 0; i < GLctx.getProgramParameter(program, 35382); ++i) {
    program.maxUniformBlockNameLength = Math.max(program.maxUniformBlockNameLength, GLctx.getActiveUniformBlockName(program, i).length + 1);
   }
  }
  GROWABLE_HEAP_I32()[p >>> 2] = program.maxUniformBlockNameLength;
 } else {
  GROWABLE_HEAP_I32()[p >>> 2] = GLctx.getProgramParameter(program, pname);
 }
}

function _emscripten_glGetQueryObjecti64vEXT(id, pname, params) {
 if (!params) {
  GL.recordError(1281);
  return;
 }
 var query = GL.queries[id];
 var param;
 if (GL.currentContext.version < 2) {
  param = GLctx.disjointTimerQueryExt["getQueryObjectEXT"](query, pname);
 } else {
  param = GLctx["getQueryParameter"](query, pname);
 }
 var ret;
 if (typeof param == "boolean") {
  ret = param ? 1 : 0;
 } else {
  ret = param;
 }
 writeI53ToI64(params, ret);
}

function _emscripten_glGetQueryObjectivEXT(id, pname, params) {
 if (!params) {
  GL.recordError(1281);
  return;
 }
 var query = GL.queries[id];
 var param = GLctx.disjointTimerQueryExt["getQueryObjectEXT"](query, pname);
 var ret;
 if (typeof param == "boolean") {
  ret = param ? 1 : 0;
 } else {
  ret = param;
 }
 GROWABLE_HEAP_I32()[params >>> 2] = ret;
}

function _emscripten_glGetQueryObjectui64vEXT(id, pname, params) {
 if (!params) {
  GL.recordError(1281);
  return;
 }
 var query = GL.queries[id];
 var param;
 if (GL.currentContext.version < 2) {
  param = GLctx.disjointTimerQueryExt["getQueryObjectEXT"](query, pname);
 } else {
  param = GLctx["getQueryParameter"](query, pname);
 }
 var ret;
 if (typeof param == "boolean") {
  ret = param ? 1 : 0;
 } else {
  ret = param;
 }
 writeI53ToI64(params, ret);
}

function _emscripten_glGetQueryObjectuiv(id, pname, params) {
 if (!params) {
  GL.recordError(1281);
  return;
 }
 var query = GL.queries[id];
 var param = GLctx["getQueryParameter"](query, pname);
 var ret;
 if (typeof param == "boolean") {
  ret = param ? 1 : 0;
 } else {
  ret = param;
 }
 GROWABLE_HEAP_I32()[params >>> 2] = ret;
}

function _emscripten_glGetQueryObjectuivEXT(id, pname, params) {
 if (!params) {
  GL.recordError(1281);
  return;
 }
 var query = GL.queries[id];
 var param = GLctx.disjointTimerQueryExt["getQueryObjectEXT"](query, pname);
 var ret;
 if (typeof param == "boolean") {
  ret = param ? 1 : 0;
 } else {
  ret = param;
 }
 GROWABLE_HEAP_I32()[params >>> 2] = ret;
}

function _emscripten_glGetQueryiv(target, pname, params) {
 if (!params) {
  GL.recordError(1281);
  return;
 }
 GROWABLE_HEAP_I32()[params >>> 2] = GLctx["getQuery"](target, pname);
}

function _emscripten_glGetQueryivEXT(target, pname, params) {
 if (!params) {
  GL.recordError(1281);
  return;
 }
 GROWABLE_HEAP_I32()[params >>> 2] = GLctx.disjointTimerQueryExt["getQueryEXT"](target, pname);
}

function _emscripten_glGetRenderbufferParameteriv(target, pname, params) {
 if (!params) {
  GL.recordError(1281);
  return;
 }
 GROWABLE_HEAP_I32()[params >>> 2] = GLctx.getRenderbufferParameter(target, pname);
}

function _emscripten_glGetSamplerParameterfv(sampler, pname, params) {
 if (!params) {
  GL.recordError(1281);
  return;
 }
 GROWABLE_HEAP_F32()[params >>> 2] = GLctx["getSamplerParameter"](GL.samplers[sampler], pname);
}

function _emscripten_glGetSamplerParameteriv(sampler, pname, params) {
 if (!params) {
  GL.recordError(1281);
  return;
 }
 GROWABLE_HEAP_I32()[params >>> 2] = GLctx["getSamplerParameter"](GL.samplers[sampler], pname);
}

function _emscripten_glGetShaderInfoLog(shader, maxLength, length, infoLog) {
 var log = GLctx.getShaderInfoLog(GL.shaders[shader]);
 if (log === null) log = "(unknown error)";
 var numBytesWrittenExclNull = maxLength > 0 && infoLog ? stringToUTF8(log, infoLog, maxLength) : 0;
 if (length) GROWABLE_HEAP_I32()[length >>> 2] = numBytesWrittenExclNull;
}

function _emscripten_glGetShaderPrecisionFormat(shaderType, precisionType, range, precision) {
 var result = GLctx.getShaderPrecisionFormat(shaderType, precisionType);
 GROWABLE_HEAP_I32()[range >>> 2] = result.rangeMin;
 GROWABLE_HEAP_I32()[range + 4 >>> 2] = result.rangeMax;
 GROWABLE_HEAP_I32()[precision >>> 2] = result.precision;
}

function _emscripten_glGetShaderSource(shader, bufSize, length, source) {
 var result = GLctx.getShaderSource(GL.shaders[shader]);
 if (!result) return;
 var numBytesWrittenExclNull = bufSize > 0 && source ? stringToUTF8(result, source, bufSize) : 0;
 if (length) GROWABLE_HEAP_I32()[length >>> 2] = numBytesWrittenExclNull;
}

function _emscripten_glGetShaderiv(shader, pname, p) {
 if (!p) {
  GL.recordError(1281);
  return;
 }
 if (pname == 35716) {
  var log = GLctx.getShaderInfoLog(GL.shaders[shader]);
  if (log === null) log = "(unknown error)";
  var logLength = log ? log.length + 1 : 0;
  GROWABLE_HEAP_I32()[p >>> 2] = logLength;
 } else if (pname == 35720) {
  var source = GLctx.getShaderSource(GL.shaders[shader]);
  var sourceLength = source ? source.length + 1 : 0;
  GROWABLE_HEAP_I32()[p >>> 2] = sourceLength;
 } else {
  GROWABLE_HEAP_I32()[p >>> 2] = GLctx.getShaderParameter(GL.shaders[shader], pname);
 }
}

function _emscripten_glGetString(name_) {
 var ret = GL.stringCache[name_];
 if (!ret) {
  switch (name_) {
  case 7939:
   var exts = GLctx.getSupportedExtensions() || [];
   exts = exts.concat(exts.map(function(e) {
    return "GL_" + e;
   }));
   ret = stringToNewUTF8(exts.join(" "));
   break;

  case 7936:
  case 7937:
  case 37445:
  case 37446:
   var s = GLctx.getParameter(name_);
   if (!s) {
    GL.recordError(1280);
   }
   ret = s && stringToNewUTF8(s);
   break;

  case 7938:
   var glVersion = GLctx.getParameter(7938);
   if (true) glVersion = "OpenGL ES 3.0 (" + glVersion + ")"; else {
    glVersion = "OpenGL ES 2.0 (" + glVersion + ")";
   }
   ret = stringToNewUTF8(glVersion);
   break;

  case 35724:
   var glslVersion = GLctx.getParameter(35724);
   var ver_re = /^WebGL GLSL ES ([0-9]\.[0-9][0-9]?)(?:$| .*)/;
   var ver_num = glslVersion.match(ver_re);
   if (ver_num !== null) {
    if (ver_num[1].length == 3) ver_num[1] = ver_num[1] + "0";
    glslVersion = "OpenGL ES GLSL ES " + ver_num[1] + " (" + glslVersion + ")";
   }
   ret = stringToNewUTF8(glslVersion);
   break;

  default:
   GL.recordError(1280);
  }
  GL.stringCache[name_] = ret;
 }
 return ret;
}

function _emscripten_glGetStringi(name, index) {
 if (GL.currentContext.version < 2) {
  GL.recordError(1282);
  return 0;
 }
 var stringiCache = GL.stringiCache[name];
 if (stringiCache) {
  if (index < 0 || index >= stringiCache.length) {
   GL.recordError(1281);
   return 0;
  }
  return stringiCache[index];
 }
 switch (name) {
 case 7939:
  var exts = GLctx.getSupportedExtensions() || [];
  exts = exts.concat(exts.map(function(e) {
   return "GL_" + e;
  }));
  exts = exts.map(function(e) {
   return stringToNewUTF8(e);
  });
  stringiCache = GL.stringiCache[name] = exts;
  if (index < 0 || index >= stringiCache.length) {
   GL.recordError(1281);
   return 0;
  }
  return stringiCache[index];

 default:
  GL.recordError(1280);
  return 0;
 }
}

function _emscripten_glGetSynciv(sync, pname, bufSize, length, values) {
 if (bufSize < 0) {
  GL.recordError(1281);
  return;
 }
 if (!values) {
  GL.recordError(1281);
  return;
 }
 var ret = GLctx.getSyncParameter(GL.syncs[sync], pname);
 if (ret !== null) {
  GROWABLE_HEAP_I32()[values >>> 2] = ret;
  if (length) GROWABLE_HEAP_I32()[length >>> 2] = 1;
 }
}

function _emscripten_glGetTexParameterfv(target, pname, params) {
 if (!params) {
  GL.recordError(1281);
  return;
 }
 GROWABLE_HEAP_F32()[params >>> 2] = GLctx.getTexParameter(target, pname);
}

function _emscripten_glGetTexParameteriv(target, pname, params) {
 if (!params) {
  GL.recordError(1281);
  return;
 }
 GROWABLE_HEAP_I32()[params >>> 2] = GLctx.getTexParameter(target, pname);
}

function _emscripten_glGetTransformFeedbackVarying(program, index, bufSize, length, size, type, name) {
 program = GL.programs[program];
 var info = GLctx["getTransformFeedbackVarying"](program, index);
 if (!info) return;
 if (name && bufSize > 0) {
  var numBytesWrittenExclNull = stringToUTF8(info.name, name, bufSize);
  if (length) GROWABLE_HEAP_I32()[length >>> 2] = numBytesWrittenExclNull;
 } else {
  if (length) GROWABLE_HEAP_I32()[length >>> 2] = 0;
 }
 if (size) GROWABLE_HEAP_I32()[size >>> 2] = info.size;
 if (type) GROWABLE_HEAP_I32()[type >>> 2] = info.type;
}

function _emscripten_glGetUniformBlockIndex(program, uniformBlockName) {
 return GLctx["getUniformBlockIndex"](GL.programs[program], UTF8ToString(uniformBlockName));
}

function _emscripten_glGetUniformIndices(program, uniformCount, uniformNames, uniformIndices) {
 if (!uniformIndices) {
  GL.recordError(1281);
  return;
 }
 if (uniformCount > 0 && (uniformNames == 0 || uniformIndices == 0)) {
  GL.recordError(1281);
  return;
 }
 program = GL.programs[program];
 var names = [];
 for (var i = 0; i < uniformCount; i++) names.push(UTF8ToString(GROWABLE_HEAP_I32()[uniformNames + i * 4 >>> 2]));
 var result = GLctx["getUniformIndices"](program, names);
 if (!result) return;
 var len = result.length;
 for (var i = 0; i < len; i++) {
  GROWABLE_HEAP_I32()[uniformIndices + i * 4 >>> 2] = result[i];
 }
}

function webglGetLeftBracePos(name) {
 return name.slice(-1) == "]" && name.lastIndexOf("[");
}

function webglPrepareUniformLocationsBeforeFirstUse(program) {
 var uniformLocsById = program.uniformLocsById, uniformSizeAndIdsByName = program.uniformSizeAndIdsByName, i, j;
 if (!uniformLocsById) {
  program.uniformLocsById = uniformLocsById = {};
  program.uniformArrayNamesById = {};
  for (i = 0; i < GLctx.getProgramParameter(program, 35718); ++i) {
   var u = GLctx.getActiveUniform(program, i);
   var nm = u.name;
   var sz = u.size;
   var lb = webglGetLeftBracePos(nm);
   var arrayName = lb > 0 ? nm.slice(0, lb) : nm;
   var id = program.uniformIdCounter;
   program.uniformIdCounter += sz;
   uniformSizeAndIdsByName[arrayName] = [ sz, id ];
   for (j = 0; j < sz; ++j) {
    uniformLocsById[id] = j;
    program.uniformArrayNamesById[id++] = arrayName;
   }
  }
 }
}

function _emscripten_glGetUniformLocation(program, name) {
 name = UTF8ToString(name);
 if (program = GL.programs[program]) {
  webglPrepareUniformLocationsBeforeFirstUse(program);
  var uniformLocsById = program.uniformLocsById;
  var arrayIndex = 0;
  var uniformBaseName = name;
  var leftBrace = webglGetLeftBracePos(name);
  if (leftBrace > 0) {
   arrayIndex = jstoi_q(name.slice(leftBrace + 1)) >>> 0;
   uniformBaseName = name.slice(0, leftBrace);
  }
  var sizeAndId = program.uniformSizeAndIdsByName[uniformBaseName];
  if (sizeAndId && arrayIndex < sizeAndId[0]) {
   arrayIndex += sizeAndId[1];
   if (uniformLocsById[arrayIndex] = uniformLocsById[arrayIndex] || GLctx.getUniformLocation(program, name)) {
    return arrayIndex;
   }
  }
 } else {
  GL.recordError(1281);
 }
 return -1;
}

function webglGetUniformLocation(location) {
 var p = GLctx.currentProgram;
 if (p) {
  var webglLoc = p.uniformLocsById[location];
  if (typeof webglLoc == "number") {
   p.uniformLocsById[location] = webglLoc = GLctx.getUniformLocation(p, p.uniformArrayNamesById[location] + (webglLoc > 0 ? "[" + webglLoc + "]" : ""));
  }
  return webglLoc;
 } else {
  GL.recordError(1282);
 }
}

function emscriptenWebGLGetUniform(program, location, params, type) {
 if (!params) {
  GL.recordError(1281);
  return;
 }
 program = GL.programs[program];
 webglPrepareUniformLocationsBeforeFirstUse(program);
 var data = GLctx.getUniform(program, webglGetUniformLocation(location));
 if (typeof data == "number" || typeof data == "boolean") {
  switch (type) {
  case 0:
   GROWABLE_HEAP_I32()[params >>> 2] = data;
   break;

  case 2:
   GROWABLE_HEAP_F32()[params >>> 2] = data;
   break;
  }
 } else {
  for (var i = 0; i < data.length; i++) {
   switch (type) {
   case 0:
    GROWABLE_HEAP_I32()[params + i * 4 >>> 2] = data[i];
    break;

   case 2:
    GROWABLE_HEAP_F32()[params + i * 4 >>> 2] = data[i];
    break;
   }
  }
 }
}

function _emscripten_glGetUniformfv(program, location, params) {
 emscriptenWebGLGetUniform(program, location, params, 2);
}

function _emscripten_glGetUniformiv(program, location, params) {
 emscriptenWebGLGetUniform(program, location, params, 0);
}

function _emscripten_glGetUniformuiv(program, location, params) {
 emscriptenWebGLGetUniform(program, location, params, 0);
}

function emscriptenWebGLGetVertexAttrib(index, pname, params, type) {
 if (!params) {
  GL.recordError(1281);
  return;
 }
 if (GL.currentContext.clientBuffers[index].enabled) {
  err("glGetVertexAttrib*v on client-side array: not supported, bad data returned");
 }
 var data = GLctx.getVertexAttrib(index, pname);
 if (pname == 34975) {
  GROWABLE_HEAP_I32()[params >>> 2] = data && data["name"];
 } else if (typeof data == "number" || typeof data == "boolean") {
  switch (type) {
  case 0:
   GROWABLE_HEAP_I32()[params >>> 2] = data;
   break;

  case 2:
   GROWABLE_HEAP_F32()[params >>> 2] = data;
   break;

  case 5:
   GROWABLE_HEAP_I32()[params >>> 2] = Math.fround(data);
   break;
  }
 } else {
  for (var i = 0; i < data.length; i++) {
   switch (type) {
   case 0:
    GROWABLE_HEAP_I32()[params + i * 4 >>> 2] = data[i];
    break;

   case 2:
    GROWABLE_HEAP_F32()[params + i * 4 >>> 2] = data[i];
    break;

   case 5:
    GROWABLE_HEAP_I32()[params + i * 4 >>> 2] = Math.fround(data[i]);
    break;
   }
  }
 }
}

function _emscripten_glGetVertexAttribIiv(index, pname, params) {
 emscriptenWebGLGetVertexAttrib(index, pname, params, 0);
}

function _emscripten_glGetVertexAttribIuiv(index, pname, params) {
 emscriptenWebGLGetVertexAttrib(index, pname, params, 0);
}

function _emscripten_glGetVertexAttribPointerv(index, pname, pointer) {
 if (!pointer) {
  GL.recordError(1281);
  return;
 }
 if (GL.currentContext.clientBuffers[index].enabled) {
  err("glGetVertexAttribPointer on client-side array: not supported, bad data returned");
 }
 GROWABLE_HEAP_I32()[pointer >>> 2] = GLctx.getVertexAttribOffset(index, pname);
}

function _emscripten_glGetVertexAttribfv(index, pname, params) {
 emscriptenWebGLGetVertexAttrib(index, pname, params, 2);
}

function _emscripten_glGetVertexAttribiv(index, pname, params) {
 emscriptenWebGLGetVertexAttrib(index, pname, params, 5);
}

function _emscripten_glHint(x0, x1) {
 GLctx["hint"](x0, x1);
}

function _emscripten_glInvalidateFramebuffer(target, numAttachments, attachments) {
 var list = tempFixedLengthArray[numAttachments];
 for (var i = 0; i < numAttachments; i++) {
  list[i] = GROWABLE_HEAP_I32()[attachments + i * 4 >>> 2];
 }
 GLctx["invalidateFramebuffer"](target, list);
}

function _emscripten_glInvalidateSubFramebuffer(target, numAttachments, attachments, x, y, width, height) {
 var list = tempFixedLengthArray[numAttachments];
 for (var i = 0; i < numAttachments; i++) {
  list[i] = GROWABLE_HEAP_I32()[attachments + i * 4 >>> 2];
 }
 GLctx["invalidateSubFramebuffer"](target, list, x, y, width, height);
}

function _emscripten_glIsBuffer(buffer) {
 var b = GL.buffers[buffer];
 if (!b) return 0;
 return GLctx.isBuffer(b);
}

function _emscripten_glIsEnabled(x0) {
 return GLctx["isEnabled"](x0);
}

function _emscripten_glIsFramebuffer(framebuffer) {
 var fb = GL.framebuffers[framebuffer];
 if (!fb) return 0;
 return GLctx.isFramebuffer(fb);
}

function _emscripten_glIsProgram(program) {
 program = GL.programs[program];
 if (!program) return 0;
 return GLctx.isProgram(program);
}

function _emscripten_glIsQuery(id) {
 var query = GL.queries[id];
 if (!query) return 0;
 return GLctx["isQuery"](query);
}

function _emscripten_glIsQueryEXT(id) {
 var query = GL.queries[id];
 if (!query) return 0;
 return GLctx.disjointTimerQueryExt["isQueryEXT"](query);
}

function _emscripten_glIsRenderbuffer(renderbuffer) {
 var rb = GL.renderbuffers[renderbuffer];
 if (!rb) return 0;
 return GLctx.isRenderbuffer(rb);
}

function _emscripten_glIsSampler(id) {
 var sampler = GL.samplers[id];
 if (!sampler) return 0;
 return GLctx["isSampler"](sampler);
}

function _emscripten_glIsShader(shader) {
 var s = GL.shaders[shader];
 if (!s) return 0;
 return GLctx.isShader(s);
}

function _emscripten_glIsSync(sync) {
 return GLctx.isSync(GL.syncs[sync]);
}

function _emscripten_glIsTexture(id) {
 var texture = GL.textures[id];
 if (!texture) return 0;
 return GLctx.isTexture(texture);
}

function _emscripten_glIsTransformFeedback(id) {
 return GLctx["isTransformFeedback"](GL.transformFeedbacks[id]);
}

function _emscripten_glIsVertexArray(array) {
 var vao = GL.vaos[array];
 if (!vao) return 0;
 return GLctx["isVertexArray"](vao);
}

function _emscripten_glIsVertexArrayOES(array) {
 var vao = GL.vaos[array];
 if (!vao) return 0;
 return GLctx["isVertexArray"](vao);
}

function _emscripten_glLineWidth(x0) {
 GLctx["lineWidth"](x0);
}

function _emscripten_glLinkProgram(program) {
 program = GL.programs[program];
 GLctx.linkProgram(program);
 program.uniformLocsById = 0;
 program.uniformSizeAndIdsByName = {};
}

function _emscripten_glMapBufferRange(target, offset, length, access) {
 if ((access & (1 | 32)) != 0) {
  err("glMapBufferRange access does not support MAP_READ or MAP_UNSYNCHRONIZED");
  return 0;
 }
 if ((access & 2) == 0) {
  err("glMapBufferRange access must include MAP_WRITE");
  return 0;
 }
 if ((access & (4 | 8)) == 0) {
  err("glMapBufferRange access must include INVALIDATE_BUFFER or INVALIDATE_RANGE");
  return 0;
 }
 if (!emscriptenWebGLValidateMapBufferTarget(target)) {
  GL.recordError(1280);
  err("GL_INVALID_ENUM in glMapBufferRange");
  return 0;
 }
 var mem = _malloc(length);
 if (!mem) return 0;
 GL.mappedBuffers[emscriptenWebGLGetBufferBinding(target)] = {
  offset: offset,
  length: length,
  mem: mem,
  access: access
 };
 return mem;
}

function _emscripten_glPauseTransformFeedback() {
 GLctx["pauseTransformFeedback"]();
}

function _emscripten_glPixelStorei(pname, param) {
 if (pname == 3317) {
  GL.unpackAlignment = param;
 }
 GLctx.pixelStorei(pname, param);
}

function _emscripten_glPolygonOffset(x0, x1) {
 GLctx["polygonOffset"](x0, x1);
}

function _emscripten_glProgramBinary(program, binaryFormat, binary, length) {
 GL.recordError(1280);
}

function _emscripten_glProgramParameteri(program, pname, value) {
 GL.recordError(1280);
}

function _emscripten_glQueryCounterEXT(id, target) {
 GLctx.disjointTimerQueryExt["queryCounterEXT"](GL.queries[id], target);
}

function _emscripten_glReadBuffer(x0) {
 GLctx["readBuffer"](x0);
}

function computeUnpackAlignedImageSize(width, height, sizePerPixel, alignment) {
 function roundedToNextMultipleOf(x, y) {
  return x + y - 1 & -y;
 }
 var plainRowSize = width * sizePerPixel;
 var alignedRowSize = roundedToNextMultipleOf(plainRowSize, alignment);
 return height * alignedRowSize;
}

function __colorChannelsInGlTextureFormat(format) {
 var colorChannels = {
  5: 3,
  6: 4,
  8: 2,
  29502: 3,
  29504: 4,
  26917: 2,
  26918: 2,
  29846: 3,
  29847: 4
 };
 return colorChannels[format - 6402] || 1;
}

function heapObjectForWebGLType(type) {
 type -= 5120;
 if (type == 0) return GROWABLE_HEAP_I8();
 if (type == 1) return GROWABLE_HEAP_U8();
 if (type == 2) return GROWABLE_HEAP_I16();
 if (type == 4) return GROWABLE_HEAP_I32();
 if (type == 6) return GROWABLE_HEAP_F32();
 if (type == 5 || type == 28922 || type == 28520 || type == 30779 || type == 30782) return GROWABLE_HEAP_U32();
 return GROWABLE_HEAP_U16();
}

function heapAccessShiftForWebGLHeap(heap) {
 return 31 - Math.clz32(heap.BYTES_PER_ELEMENT);
}

function emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, internalFormat) {
 var heap = heapObjectForWebGLType(type);
 var shift = heapAccessShiftForWebGLHeap(heap);
 var byteSize = 1 << shift;
 var sizePerPixel = __colorChannelsInGlTextureFormat(format) * byteSize;
 var bytes = computeUnpackAlignedImageSize(width, height, sizePerPixel, GL.unpackAlignment);
 return heap.subarray(pixels >>> shift, pixels + bytes >>> shift);
}

function _emscripten_glReadPixels(x, y, width, height, format, type, pixels) {
 if (true) {
  if (GLctx.currentPixelPackBufferBinding) {
   GLctx.readPixels(x, y, width, height, format, type, pixels);
  } else {
   var heap = heapObjectForWebGLType(type);
   GLctx.readPixels(x, y, width, height, format, type, heap, pixels >> heapAccessShiftForWebGLHeap(heap));
  }
  return;
 }
 var pixelData = emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, format);
 if (!pixelData) {
  GL.recordError(1280);
  return;
 }
 GLctx.readPixels(x, y, width, height, format, type, pixelData);
}

function _emscripten_glReleaseShaderCompiler() {}

function _emscripten_glRenderbufferStorage(x0, x1, x2, x3) {
 GLctx["renderbufferStorage"](x0, x1, x2, x3);
}

function _emscripten_glRenderbufferStorageMultisample(x0, x1, x2, x3, x4) {
 GLctx["renderbufferStorageMultisample"](x0, x1, x2, x3, x4);
}

function _emscripten_glResumeTransformFeedback() {
 GLctx["resumeTransformFeedback"]();
}

function _emscripten_glSampleCoverage(value, invert) {
 GLctx.sampleCoverage(value, !!invert);
}

function _emscripten_glSamplerParameterf(sampler, pname, param) {
 GLctx["samplerParameterf"](GL.samplers[sampler], pname, param);
}

function _emscripten_glSamplerParameterfv(sampler, pname, params) {
 var param = GROWABLE_HEAP_F32()[params >>> 2];
 GLctx["samplerParameterf"](GL.samplers[sampler], pname, param);
}

function _emscripten_glSamplerParameteri(sampler, pname, param) {
 GLctx["samplerParameteri"](GL.samplers[sampler], pname, param);
}

function _emscripten_glSamplerParameteriv(sampler, pname, params) {
 var param = GROWABLE_HEAP_I32()[params >>> 2];
 GLctx["samplerParameteri"](GL.samplers[sampler], pname, param);
}

function _emscripten_glScissor(x0, x1, x2, x3) {
 GLctx["scissor"](x0, x1, x2, x3);
}

function _emscripten_glShaderBinary() {
 GL.recordError(1280);
}

function _emscripten_glShaderSource(shader, count, string, length) {
 var source = GL.getSource(shader, count, string, length);
 GLctx.shaderSource(GL.shaders[shader], source);
}

function _emscripten_glStencilFunc(x0, x1, x2) {
 GLctx["stencilFunc"](x0, x1, x2);
}

function _emscripten_glStencilFuncSeparate(x0, x1, x2, x3) {
 GLctx["stencilFuncSeparate"](x0, x1, x2, x3);
}

function _emscripten_glStencilMask(x0) {
 GLctx["stencilMask"](x0);
}

function _emscripten_glStencilMaskSeparate(x0, x1) {
 GLctx["stencilMaskSeparate"](x0, x1);
}

function _emscripten_glStencilOp(x0, x1, x2) {
 GLctx["stencilOp"](x0, x1, x2);
}

function _emscripten_glStencilOpSeparate(x0, x1, x2, x3) {
 GLctx["stencilOpSeparate"](x0, x1, x2, x3);
}

function _emscripten_glTexImage2D(target, level, internalFormat, width, height, border, format, type, pixels) {
 if (true) {
  if (GLctx.currentPixelUnpackBufferBinding) {
   GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, pixels);
  } else if (pixels) {
   var heap = heapObjectForWebGLType(type);
   GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, heap, pixels >> heapAccessShiftForWebGLHeap(heap));
  } else {
   GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, null);
  }
  return;
 }
 GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, pixels ? emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, internalFormat) : null);
}

function _emscripten_glTexImage3D(target, level, internalFormat, width, height, depth, border, format, type, pixels) {
 if (GLctx.currentPixelUnpackBufferBinding) {
  GLctx["texImage3D"](target, level, internalFormat, width, height, depth, border, format, type, pixels);
 } else if (pixels) {
  var heap = heapObjectForWebGLType(type);
  GLctx["texImage3D"](target, level, internalFormat, width, height, depth, border, format, type, heap, pixels >> heapAccessShiftForWebGLHeap(heap));
 } else {
  GLctx["texImage3D"](target, level, internalFormat, width, height, depth, border, format, type, null);
 }
}

function _emscripten_glTexParameterf(x0, x1, x2) {
 GLctx["texParameterf"](x0, x1, x2);
}

function _emscripten_glTexParameterfv(target, pname, params) {
 var param = GROWABLE_HEAP_F32()[params >>> 2];
 GLctx.texParameterf(target, pname, param);
}

function _emscripten_glTexParameteri(x0, x1, x2) {
 GLctx["texParameteri"](x0, x1, x2);
}

function _emscripten_glTexParameteriv(target, pname, params) {
 var param = GROWABLE_HEAP_I32()[params >>> 2];
 GLctx.texParameteri(target, pname, param);
}

function _emscripten_glTexStorage2D(x0, x1, x2, x3, x4) {
 GLctx["texStorage2D"](x0, x1, x2, x3, x4);
}

function _emscripten_glTexStorage3D(x0, x1, x2, x3, x4, x5) {
 GLctx["texStorage3D"](x0, x1, x2, x3, x4, x5);
}

function _emscripten_glTexSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixels) {
 if (true) {
  if (GLctx.currentPixelUnpackBufferBinding) {
   GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixels);
  } else if (pixels) {
   var heap = heapObjectForWebGLType(type);
   GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, heap, pixels >> heapAccessShiftForWebGLHeap(heap));
  } else {
   GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, null);
  }
  return;
 }
 var pixelData = null;
 if (pixels) pixelData = emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, 0);
 GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixelData);
}

function _emscripten_glTexSubImage3D(target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, pixels) {
 if (GLctx.currentPixelUnpackBufferBinding) {
  GLctx["texSubImage3D"](target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, pixels);
 } else if (pixels) {
  var heap = heapObjectForWebGLType(type);
  GLctx["texSubImage3D"](target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, heap, pixels >> heapAccessShiftForWebGLHeap(heap));
 } else {
  GLctx["texSubImage3D"](target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, null);
 }
}

function _emscripten_glTransformFeedbackVaryings(program, count, varyings, bufferMode) {
 program = GL.programs[program];
 var vars = [];
 for (var i = 0; i < count; i++) vars.push(UTF8ToString(GROWABLE_HEAP_I32()[varyings + i * 4 >>> 2]));
 GLctx["transformFeedbackVaryings"](program, vars, bufferMode);
}

function _emscripten_glUniform1f(location, v0) {
 GLctx.uniform1f(webglGetUniformLocation(location), v0);
}

function _emscripten_glUniform1fv(location, count, value) {
 count && GLctx.uniform1fv(webglGetUniformLocation(location), GROWABLE_HEAP_F32(), value >> 2, count);
}

function _emscripten_glUniform1i(location, v0) {
 GLctx.uniform1i(webglGetUniformLocation(location), v0);
}

function _emscripten_glUniform1iv(location, count, value) {
 count && GLctx.uniform1iv(webglGetUniformLocation(location), GROWABLE_HEAP_I32(), value >> 2, count);
}

function _emscripten_glUniform1ui(location, v0) {
 GLctx.uniform1ui(webglGetUniformLocation(location), v0);
}

function _emscripten_glUniform1uiv(location, count, value) {
 count && GLctx.uniform1uiv(webglGetUniformLocation(location), GROWABLE_HEAP_U32(), value >> 2, count);
}

function _emscripten_glUniform2f(location, v0, v1) {
 GLctx.uniform2f(webglGetUniformLocation(location), v0, v1);
}

function _emscripten_glUniform2fv(location, count, value) {
 count && GLctx.uniform2fv(webglGetUniformLocation(location), GROWABLE_HEAP_F32(), value >> 2, count * 2);
}

function _emscripten_glUniform2i(location, v0, v1) {
 GLctx.uniform2i(webglGetUniformLocation(location), v0, v1);
}

function _emscripten_glUniform2iv(location, count, value) {
 count && GLctx.uniform2iv(webglGetUniformLocation(location), GROWABLE_HEAP_I32(), value >> 2, count * 2);
}

function _emscripten_glUniform2ui(location, v0, v1) {
 GLctx.uniform2ui(webglGetUniformLocation(location), v0, v1);
}

function _emscripten_glUniform2uiv(location, count, value) {
 count && GLctx.uniform2uiv(webglGetUniformLocation(location), GROWABLE_HEAP_U32(), value >> 2, count * 2);
}

function _emscripten_glUniform3f(location, v0, v1, v2) {
 GLctx.uniform3f(webglGetUniformLocation(location), v0, v1, v2);
}

function _emscripten_glUniform3fv(location, count, value) {
 count && GLctx.uniform3fv(webglGetUniformLocation(location), GROWABLE_HEAP_F32(), value >> 2, count * 3);
}

function _emscripten_glUniform3i(location, v0, v1, v2) {
 GLctx.uniform3i(webglGetUniformLocation(location), v0, v1, v2);
}

function _emscripten_glUniform3iv(location, count, value) {
 count && GLctx.uniform3iv(webglGetUniformLocation(location), GROWABLE_HEAP_I32(), value >> 2, count * 3);
}

function _emscripten_glUniform3ui(location, v0, v1, v2) {
 GLctx.uniform3ui(webglGetUniformLocation(location), v0, v1, v2);
}

function _emscripten_glUniform3uiv(location, count, value) {
 count && GLctx.uniform3uiv(webglGetUniformLocation(location), GROWABLE_HEAP_U32(), value >> 2, count * 3);
}

function _emscripten_glUniform4f(location, v0, v1, v2, v3) {
 GLctx.uniform4f(webglGetUniformLocation(location), v0, v1, v2, v3);
}

function _emscripten_glUniform4fv(location, count, value) {
 count && GLctx.uniform4fv(webglGetUniformLocation(location), GROWABLE_HEAP_F32(), value >> 2, count * 4);
}

function _emscripten_glUniform4i(location, v0, v1, v2, v3) {
 GLctx.uniform4i(webglGetUniformLocation(location), v0, v1, v2, v3);
}

function _emscripten_glUniform4iv(location, count, value) {
 count && GLctx.uniform4iv(webglGetUniformLocation(location), GROWABLE_HEAP_I32(), value >> 2, count * 4);
}

function _emscripten_glUniform4ui(location, v0, v1, v2, v3) {
 GLctx.uniform4ui(webglGetUniformLocation(location), v0, v1, v2, v3);
}

function _emscripten_glUniform4uiv(location, count, value) {
 count && GLctx.uniform4uiv(webglGetUniformLocation(location), GROWABLE_HEAP_U32(), value >> 2, count * 4);
}

function _emscripten_glUniformBlockBinding(program, uniformBlockIndex, uniformBlockBinding) {
 program = GL.programs[program];
 GLctx["uniformBlockBinding"](program, uniformBlockIndex, uniformBlockBinding);
}

function _emscripten_glUniformMatrix2fv(location, count, transpose, value) {
 count && GLctx.uniformMatrix2fv(webglGetUniformLocation(location), !!transpose, GROWABLE_HEAP_F32(), value >> 2, count * 4);
}

function _emscripten_glUniformMatrix2x3fv(location, count, transpose, value) {
 count && GLctx.uniformMatrix2x3fv(webglGetUniformLocation(location), !!transpose, GROWABLE_HEAP_F32(), value >> 2, count * 6);
}

function _emscripten_glUniformMatrix2x4fv(location, count, transpose, value) {
 count && GLctx.uniformMatrix2x4fv(webglGetUniformLocation(location), !!transpose, GROWABLE_HEAP_F32(), value >> 2, count * 8);
}

function _emscripten_glUniformMatrix3fv(location, count, transpose, value) {
 count && GLctx.uniformMatrix3fv(webglGetUniformLocation(location), !!transpose, GROWABLE_HEAP_F32(), value >> 2, count * 9);
}

function _emscripten_glUniformMatrix3x2fv(location, count, transpose, value) {
 count && GLctx.uniformMatrix3x2fv(webglGetUniformLocation(location), !!transpose, GROWABLE_HEAP_F32(), value >> 2, count * 6);
}

function _emscripten_glUniformMatrix3x4fv(location, count, transpose, value) {
 count && GLctx.uniformMatrix3x4fv(webglGetUniformLocation(location), !!transpose, GROWABLE_HEAP_F32(), value >> 2, count * 12);
}

function _emscripten_glUniformMatrix4fv(location, count, transpose, value) {
 count && GLctx.uniformMatrix4fv(webglGetUniformLocation(location), !!transpose, GROWABLE_HEAP_F32(), value >> 2, count * 16);
}

function _emscripten_glUniformMatrix4x2fv(location, count, transpose, value) {
 count && GLctx.uniformMatrix4x2fv(webglGetUniformLocation(location), !!transpose, GROWABLE_HEAP_F32(), value >> 2, count * 8);
}

function _emscripten_glUniformMatrix4x3fv(location, count, transpose, value) {
 count && GLctx.uniformMatrix4x3fv(webglGetUniformLocation(location), !!transpose, GROWABLE_HEAP_F32(), value >> 2, count * 12);
}

function _emscripten_glUnmapBuffer(target) {
 if (!emscriptenWebGLValidateMapBufferTarget(target)) {
  GL.recordError(1280);
  err("GL_INVALID_ENUM in glUnmapBuffer");
  return 0;
 }
 var buffer = emscriptenWebGLGetBufferBinding(target);
 var mapping = GL.mappedBuffers[buffer];
 if (!mapping) {
  GL.recordError(1282);
  err("buffer was never mapped in glUnmapBuffer");
  return 0;
 }
 GL.mappedBuffers[buffer] = null;
 if (!(mapping.access & 16)) if (true) {
  GLctx.bufferSubData(target, mapping.offset, GROWABLE_HEAP_U8(), mapping.mem, mapping.length);
 } else {
  GLctx.bufferSubData(target, mapping.offset, GROWABLE_HEAP_U8().subarray(mapping.mem >>> 0, mapping.mem + mapping.length >>> 0));
 }
 _free(mapping.mem);
 return 1;
}

function _emscripten_glUseProgram(program) {
 program = GL.programs[program];
 GLctx.useProgram(program);
 GLctx.currentProgram = program;
}

function _emscripten_glValidateProgram(program) {
 GLctx.validateProgram(GL.programs[program]);
}

function _emscripten_glVertexAttrib1f(x0, x1) {
 GLctx["vertexAttrib1f"](x0, x1);
}

function _emscripten_glVertexAttrib1fv(index, v) {
 GLctx.vertexAttrib1f(index, GROWABLE_HEAP_F32()[v >>> 2]);
}

function _emscripten_glVertexAttrib2f(x0, x1, x2) {
 GLctx["vertexAttrib2f"](x0, x1, x2);
}

function _emscripten_glVertexAttrib2fv(index, v) {
 GLctx.vertexAttrib2f(index, GROWABLE_HEAP_F32()[v >>> 2], GROWABLE_HEAP_F32()[v + 4 >>> 2]);
}

function _emscripten_glVertexAttrib3f(x0, x1, x2, x3) {
 GLctx["vertexAttrib3f"](x0, x1, x2, x3);
}

function _emscripten_glVertexAttrib3fv(index, v) {
 GLctx.vertexAttrib3f(index, GROWABLE_HEAP_F32()[v >>> 2], GROWABLE_HEAP_F32()[v + 4 >>> 2], GROWABLE_HEAP_F32()[v + 8 >>> 2]);
}

function _emscripten_glVertexAttrib4f(x0, x1, x2, x3, x4) {
 GLctx["vertexAttrib4f"](x0, x1, x2, x3, x4);
}

function _emscripten_glVertexAttrib4fv(index, v) {
 GLctx.vertexAttrib4f(index, GROWABLE_HEAP_F32()[v >>> 2], GROWABLE_HEAP_F32()[v + 4 >>> 2], GROWABLE_HEAP_F32()[v + 8 >>> 2], GROWABLE_HEAP_F32()[v + 12 >>> 2]);
}

function _emscripten_glVertexAttribDivisor(index, divisor) {
 GLctx["vertexAttribDivisor"](index, divisor);
}

function _emscripten_glVertexAttribDivisorANGLE(index, divisor) {
 GLctx["vertexAttribDivisor"](index, divisor);
}

function _emscripten_glVertexAttribDivisorARB(index, divisor) {
 GLctx["vertexAttribDivisor"](index, divisor);
}

function _emscripten_glVertexAttribDivisorEXT(index, divisor) {
 GLctx["vertexAttribDivisor"](index, divisor);
}

function _emscripten_glVertexAttribDivisorNV(index, divisor) {
 GLctx["vertexAttribDivisor"](index, divisor);
}

function _emscripten_glVertexAttribI4i(x0, x1, x2, x3, x4) {
 GLctx["vertexAttribI4i"](x0, x1, x2, x3, x4);
}

function _emscripten_glVertexAttribI4iv(index, v) {
 GLctx.vertexAttribI4i(index, GROWABLE_HEAP_I32()[v >>> 2], GROWABLE_HEAP_I32()[v + 4 >>> 2], GROWABLE_HEAP_I32()[v + 8 >>> 2], GROWABLE_HEAP_I32()[v + 12 >>> 2]);
}

function _emscripten_glVertexAttribI4ui(x0, x1, x2, x3, x4) {
 GLctx["vertexAttribI4ui"](x0, x1, x2, x3, x4);
}

function _emscripten_glVertexAttribI4uiv(index, v) {
 GLctx.vertexAttribI4ui(index, GROWABLE_HEAP_U32()[v >>> 2], GROWABLE_HEAP_U32()[v + 4 >>> 2], GROWABLE_HEAP_U32()[v + 8 >>> 2], GROWABLE_HEAP_U32()[v + 12 >>> 2]);
}

function _emscripten_glVertexAttribIPointer(index, size, type, stride, ptr) {
 var cb = GL.currentContext.clientBuffers[index];
 if (!GLctx.currentArrayBufferBinding) {
  cb.size = size;
  cb.type = type;
  cb.normalized = false;
  cb.stride = stride;
  cb.ptr = ptr;
  cb.clientside = true;
  cb.vertexAttribPointerAdaptor = function(index, size, type, normalized, stride, ptr) {
   this.vertexAttribIPointer(index, size, type, stride, ptr);
  };
  return;
 }
 cb.clientside = false;
 GLctx["vertexAttribIPointer"](index, size, type, stride, ptr);
}

function _emscripten_glVertexAttribPointer(index, size, type, normalized, stride, ptr) {
 var cb = GL.currentContext.clientBuffers[index];
 if (!GLctx.currentArrayBufferBinding) {
  cb.size = size;
  cb.type = type;
  cb.normalized = normalized;
  cb.stride = stride;
  cb.ptr = ptr;
  cb.clientside = true;
  cb.vertexAttribPointerAdaptor = function(index, size, type, normalized, stride, ptr) {
   this.vertexAttribPointer(index, size, type, normalized, stride, ptr);
  };
  return;
 }
 cb.clientside = false;
 GLctx.vertexAttribPointer(index, size, type, !!normalized, stride, ptr);
}

function _emscripten_glViewport(x0, x1, x2, x3) {
 GLctx["viewport"](x0, x1, x2, x3);
}

function _emscripten_glWaitSync(sync, flags, timeout) {
 timeout = Number(timeout);
 GLctx.waitSync(GL.syncs[sync], flags, timeout);
}

function _emscripten_memcpy_big(dest, src, num) {
 GROWABLE_HEAP_U8().copyWithin(dest >>> 0, src >>> 0, src + num >>> 0);
}

function _emscripten_num_logical_cores() {
 if (ENVIRONMENT_IS_NODE) return require("os").cpus().length;
 return navigator["hardwareConcurrency"];
}

function _emscripten_proxy_to_main_thread_js(index, sync) {
 var numCallArgs = arguments.length - 2;
 var outerArgs = arguments;
 return withStackSave(() => {
  var serializedNumCallArgs = numCallArgs * 2;
  var args = stackAlloc(serializedNumCallArgs * 8);
  var b = args >> 3;
  for (var i = 0; i < numCallArgs; i++) {
   var arg = outerArgs[2 + i];
   if (typeof arg == "bigint") {
    HEAP64[b + 2 * i] = 1n;
    HEAP64[b + 2 * i + 1] = arg;
   } else {
    HEAP64[b + 2 * i] = 0n;
    GROWABLE_HEAP_F64()[b + 2 * i + 1 >>> 0] = arg;
   }
  }
  return _emscripten_run_in_main_runtime_thread_js(index, serializedNumCallArgs, args, sync);
 });
}

var _emscripten_receive_on_main_thread_js_callArgs = [];

function _emscripten_receive_on_main_thread_js(index, numCallArgs, args) {
 numCallArgs /= 2;
 _emscripten_receive_on_main_thread_js_callArgs.length = numCallArgs;
 var b = args >> 3;
 for (var i = 0; i < numCallArgs; i++) {
  if (HEAP64[b + 2 * i]) {
   _emscripten_receive_on_main_thread_js_callArgs[i] = HEAP64[b + 2 * i + 1];
  } else {
   _emscripten_receive_on_main_thread_js_callArgs[i] = GROWABLE_HEAP_F64()[b + 2 * i + 1 >>> 0];
  }
 }
 var isEmAsmConst = index < 0;
 var func = !isEmAsmConst ? proxiedFunctionTable[index] : ASM_CONSTS[-index - 1];
 return func.apply(null, _emscripten_receive_on_main_thread_js_callArgs);
}

function emscripten_realloc_buffer(size) {
 var b = wasmMemory.buffer;
 try {
  wasmMemory.grow(size - b.byteLength + 65535 >>> 16);
  updateMemoryViews();
  return 1;
 } catch (e) {}
}

function _emscripten_resize_heap(requestedSize) {
 var oldSize = GROWABLE_HEAP_U8().length;
 requestedSize = requestedSize >>> 0;
 if (requestedSize <= oldSize) {
  return false;
 }
 var maxHeapSize = getHeapMax();
 if (requestedSize > maxHeapSize) {
  return false;
 }
 let alignUp = (x, multiple) => x + (multiple - x % multiple) % multiple;
 for (var cutDown = 1; cutDown <= 4; cutDown *= 2) {
  var overGrownHeapSize = oldSize * (1 + .2 / cutDown);
  overGrownHeapSize = Math.min(overGrownHeapSize, requestedSize + 100663296);
  var newSize = Math.min(maxHeapSize, alignUp(Math.max(requestedSize, overGrownHeapSize), 65536));
  var replacement = emscripten_realloc_buffer(newSize);
  if (replacement) {
   return true;
  }
 }
 return false;
}

function _emscripten_run_script_string(ptr) {
 var s = eval(UTF8ToString(ptr));
 if (s == null) {
  return 0;
 }
 s += "";
 var me = _emscripten_run_script_string;
 var len = lengthBytesUTF8(s);
 if (!me.bufferSize || me.bufferSize < len + 1) {
  if (me.bufferSize) _free(me.buffer);
  me.bufferSize = len + 1;
  me.buffer = _malloc(me.bufferSize);
 }
 stringToUTF8(s, me.buffer, me.bufferSize);
 return me.buffer;
}

function fillMouseEventData(eventStruct, e, target) {
 GROWABLE_HEAP_F64()[eventStruct >>> 3] = e.timeStamp;
 var idx = eventStruct >> 2;
 GROWABLE_HEAP_I32()[idx + 2 >>> 0] = e.screenX;
 GROWABLE_HEAP_I32()[idx + 3 >>> 0] = e.screenY;
 GROWABLE_HEAP_I32()[idx + 4 >>> 0] = e.clientX;
 GROWABLE_HEAP_I32()[idx + 5 >>> 0] = e.clientY;
 GROWABLE_HEAP_I32()[idx + 6 >>> 0] = e.ctrlKey;
 GROWABLE_HEAP_I32()[idx + 7 >>> 0] = e.shiftKey;
 GROWABLE_HEAP_I32()[idx + 8 >>> 0] = e.altKey;
 GROWABLE_HEAP_I32()[idx + 9 >>> 0] = e.metaKey;
 GROWABLE_HEAP_I16()[idx * 2 + 20 >>> 0] = e.button;
 GROWABLE_HEAP_I16()[idx * 2 + 21 >>> 0] = e.buttons;
 GROWABLE_HEAP_I32()[idx + 11 >>> 0] = e["movementX"];
 GROWABLE_HEAP_I32()[idx + 12 >>> 0] = e["movementY"];
 var rect = getBoundingClientRect(target);
 GROWABLE_HEAP_I32()[idx + 13 >>> 0] = e.clientX - rect.left;
 GROWABLE_HEAP_I32()[idx + 14 >>> 0] = e.clientY - rect.top;
}

function registerMouseEventCallback(target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) {
 targetThread = JSEvents.getTargetThreadForEventCallback(targetThread);
 if (!JSEvents.mouseEvent) JSEvents.mouseEvent = _malloc(72);
 target = findEventTarget(target);
 var mouseEventHandlerFunc = function(e = event) {
  fillMouseEventData(JSEvents.mouseEvent, e, target);
  if (targetThread) {
   var mouseEventData = _malloc(72);
   fillMouseEventData(mouseEventData, e, target);
   JSEvents.queueEventHandlerOnThread_iiii(targetThread, callbackfunc, eventTypeId, mouseEventData, userData);
  } else if (getWasmTableEntry(callbackfunc)(eventTypeId, JSEvents.mouseEvent, userData)) e.preventDefault();
 };
 var eventHandler = {
  target: target,
  allowsDeferredCalls: eventTypeString != "mousemove" && eventTypeString != "mouseenter" && eventTypeString != "mouseleave",
  eventTypeString: eventTypeString,
  callbackfunc: callbackfunc,
  handlerFunc: mouseEventHandlerFunc,
  useCapture: useCapture
 };
 JSEvents.registerOrRemoveHandler(eventHandler);
}

function _emscripten_set_click_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
 if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(35, 1, target, userData, useCapture, callbackfunc, targetThread);
 registerMouseEventCallback(target, userData, useCapture, callbackfunc, 4, "click", targetThread);
 return 0;
}

function callUserCallback(func) {
 if (ABORT) {
  return;
 }
 try {
  func();
 } catch (e) {
  handleException(e);
 }
}

function runtimeKeepalivePush() {}

function runtimeKeepalivePop() {}

function safeSetTimeout(func, timeout) {
 runtimeKeepalivePush();
 return setTimeout(function() {
  runtimeKeepalivePop();
  callUserCallback(func);
 }, timeout);
}

var Browser = {
 mainLoop: {
  running: false,
  scheduler: null,
  method: "",
  currentlyRunningMainloop: 0,
  func: null,
  arg: 0,
  timingMode: 0,
  timingValue: 0,
  currentFrameNumber: 0,
  queue: [],
  pause: function() {
   Browser.mainLoop.scheduler = null;
   Browser.mainLoop.currentlyRunningMainloop++;
  },
  resume: function() {
   Browser.mainLoop.currentlyRunningMainloop++;
   var timingMode = Browser.mainLoop.timingMode;
   var timingValue = Browser.mainLoop.timingValue;
   var func = Browser.mainLoop.func;
   Browser.mainLoop.func = null;
   setMainLoop(func, 0, false, Browser.mainLoop.arg, true);
   _emscripten_set_main_loop_timing(timingMode, timingValue);
   Browser.mainLoop.scheduler();
  },
  updateStatus: function() {
   if (Module["setStatus"]) {
    var message = Module["statusMessage"] || "Please wait...";
    var remaining = Browser.mainLoop.remainingBlockers;
    var expected = Browser.mainLoop.expectedBlockers;
    if (remaining) {
     if (remaining < expected) {
      Module["setStatus"](message + " (" + (expected - remaining) + "/" + expected + ")");
     } else {
      Module["setStatus"](message);
     }
    } else {
     Module["setStatus"]("");
    }
   }
  },
  runIter: function(func) {
   if (ABORT) return;
   if (Module["preMainLoop"]) {
    var preRet = Module["preMainLoop"]();
    if (preRet === false) {
     return;
    }
   }
   callUserCallback(func);
   if (Module["postMainLoop"]) Module["postMainLoop"]();
  }
 },
 isFullscreen: false,
 pointerLock: false,
 moduleContextCreatedCallbacks: [],
 workers: [],
 init: function() {
  if (!Module["preloadPlugins"]) Module["preloadPlugins"] = [];
  if (Browser.initted) return;
  Browser.initted = true;
  try {
   new Blob();
   Browser.hasBlobConstructor = true;
  } catch (e) {
   Browser.hasBlobConstructor = false;
   err("warning: no blob constructor, cannot create blobs with mimetypes");
  }
  Browser.BlobBuilder = typeof MozBlobBuilder != "undefined" ? MozBlobBuilder : typeof WebKitBlobBuilder != "undefined" ? WebKitBlobBuilder : !Browser.hasBlobConstructor ? err("warning: no BlobBuilder") : null;
  Browser.URLObject = typeof window != "undefined" ? window.URL ? window.URL : window.webkitURL : undefined;
  if (!Module.noImageDecoding && typeof Browser.URLObject == "undefined") {
   err("warning: Browser does not support creating object URLs. Built-in browser image decoding will not be available.");
   Module.noImageDecoding = true;
  }
  var imagePlugin = {};
  imagePlugin["canHandle"] = function imagePlugin_canHandle(name) {
   return !Module.noImageDecoding && /\.(jpg|jpeg|png|bmp)$/i.test(name);
  };
  imagePlugin["handle"] = function imagePlugin_handle(byteArray, name, onload, onerror) {
   var b = null;
   if (Browser.hasBlobConstructor) {
    try {
     b = new Blob([ byteArray ], {
      type: Browser.getMimetype(name)
     });
     if (b.size !== byteArray.length) {
      b = new Blob([ new Uint8Array(byteArray).buffer ], {
       type: Browser.getMimetype(name)
      });
     }
    } catch (e) {
     warnOnce("Blob constructor present but fails: " + e + "; falling back to blob builder");
    }
   }
   if (!b) {
    var bb = new Browser.BlobBuilder();
    bb.append(new Uint8Array(byteArray).buffer);
    b = bb.getBlob();
   }
   var url = Browser.URLObject.createObjectURL(b);
   var img = new Image();
   img.onload = () => {
    assert(img.complete, "Image " + name + " could not be decoded");
    var canvas = document.createElement("canvas");
    canvas.width = img.width;
    canvas.height = img.height;
    var ctx = canvas.getContext("2d");
    ctx.drawImage(img, 0, 0);
    preloadedImages[name] = canvas;
    Browser.URLObject.revokeObjectURL(url);
    if (onload) onload(byteArray);
   };
   img.onerror = event => {
    out("Image " + url + " could not be decoded");
    if (onerror) onerror();
   };
   img.src = url;
  };
  Module["preloadPlugins"].push(imagePlugin);
  var audioPlugin = {};
  audioPlugin["canHandle"] = function audioPlugin_canHandle(name) {
   return !Module.noAudioDecoding && name.substr(-4) in {
    ".ogg": 1,
    ".wav": 1,
    ".mp3": 1
   };
  };
  audioPlugin["handle"] = function audioPlugin_handle(byteArray, name, onload, onerror) {
   var done = false;
   function finish(audio) {
    if (done) return;
    done = true;
    preloadedAudios[name] = audio;
    if (onload) onload(byteArray);
   }
   function fail() {
    if (done) return;
    done = true;
    preloadedAudios[name] = new Audio();
    if (onerror) onerror();
   }
   if (Browser.hasBlobConstructor) {
    try {
     var b = new Blob([ byteArray ], {
      type: Browser.getMimetype(name)
     });
    } catch (e) {
     return fail();
    }
    var url = Browser.URLObject.createObjectURL(b);
    var audio = new Audio();
    audio.addEventListener("canplaythrough", () => finish(audio), false);
    audio.onerror = function audio_onerror(event) {
     if (done) return;
     err("warning: browser could not fully decode audio " + name + ", trying slower base64 approach");
     function encode64(data) {
      var BASE = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
      var PAD = "=";
      var ret = "";
      var leftchar = 0;
      var leftbits = 0;
      for (var i = 0; i < data.length; i++) {
       leftchar = leftchar << 8 | data[i];
       leftbits += 8;
       while (leftbits >= 6) {
        var curr = leftchar >> leftbits - 6 & 63;
        leftbits -= 6;
        ret += BASE[curr];
       }
      }
      if (leftbits == 2) {
       ret += BASE[(leftchar & 3) << 4];
       ret += PAD + PAD;
      } else if (leftbits == 4) {
       ret += BASE[(leftchar & 15) << 2];
       ret += PAD;
      }
      return ret;
     }
     audio.src = "data:audio/x-" + name.substr(-3) + ";base64," + encode64(byteArray);
     finish(audio);
    };
    audio.src = url;
    safeSetTimeout(function() {
     finish(audio);
    }, 1e4);
   } else {
    return fail();
   }
  };
  Module["preloadPlugins"].push(audioPlugin);
  function pointerLockChange() {
   Browser.pointerLock = document["pointerLockElement"] === Module["canvas"] || document["mozPointerLockElement"] === Module["canvas"] || document["webkitPointerLockElement"] === Module["canvas"] || document["msPointerLockElement"] === Module["canvas"];
  }
  var canvas = Module["canvas"];
  if (canvas) {
   canvas.requestPointerLock = canvas["requestPointerLock"] || canvas["mozRequestPointerLock"] || canvas["webkitRequestPointerLock"] || canvas["msRequestPointerLock"] || (() => {});
   canvas.exitPointerLock = document["exitPointerLock"] || document["mozExitPointerLock"] || document["webkitExitPointerLock"] || document["msExitPointerLock"] || (() => {});
   canvas.exitPointerLock = canvas.exitPointerLock.bind(document);
   document.addEventListener("pointerlockchange", pointerLockChange, false);
   document.addEventListener("mozpointerlockchange", pointerLockChange, false);
   document.addEventListener("webkitpointerlockchange", pointerLockChange, false);
   document.addEventListener("mspointerlockchange", pointerLockChange, false);
   if (Module["elementPointerLock"]) {
    canvas.addEventListener("click", ev => {
     if (!Browser.pointerLock && Module["canvas"].requestPointerLock) {
      Module["canvas"].requestPointerLock();
      ev.preventDefault();
     }
    }, false);
   }
  }
 },
 handledByPreloadPlugin: function(byteArray, fullname, finish, onerror) {
  Browser.init();
  var handled = false;
  Module["preloadPlugins"].forEach(function(plugin) {
   if (handled) return;
   if (plugin["canHandle"](fullname)) {
    plugin["handle"](byteArray, fullname, finish, onerror);
    handled = true;
   }
  });
  return handled;
 },
 createContext: function(canvas, useWebGL, setInModule, webGLContextAttributes) {
  if (useWebGL && Module.ctx && canvas == Module.canvas) return Module.ctx;
  var ctx;
  var contextHandle;
  if (useWebGL) {
   var contextAttributes = {
    antialias: false,
    alpha: false,
    majorVersion: 2
   };
   if (webGLContextAttributes) {
    for (var attribute in webGLContextAttributes) {
     contextAttributes[attribute] = webGLContextAttributes[attribute];
    }
   }
   if (typeof GL != "undefined") {
    contextHandle = GL.createContext(canvas, contextAttributes);
    if (contextHandle) {
     ctx = GL.getContext(contextHandle).GLctx;
    }
   }
  } else {
   ctx = canvas.getContext("2d");
  }
  if (!ctx) return null;
  if (setInModule) {
   if (!useWebGL) assert(typeof GLctx == "undefined", "cannot set in module if GLctx is used, but we are a non-GL context that would replace it");
   Module.ctx = ctx;
   if (useWebGL) GL.makeContextCurrent(contextHandle);
   Module.useWebGL = useWebGL;
   Browser.moduleContextCreatedCallbacks.forEach(function(callback) {
    callback();
   });
   Browser.init();
  }
  return ctx;
 },
 destroyContext: function(canvas, useWebGL, setInModule) {},
 fullscreenHandlersInstalled: false,
 lockPointer: undefined,
 resizeCanvas: undefined,
 requestFullscreen: function(lockPointer, resizeCanvas) {
  Browser.lockPointer = lockPointer;
  Browser.resizeCanvas = resizeCanvas;
  if (typeof Browser.lockPointer == "undefined") Browser.lockPointer = true;
  if (typeof Browser.resizeCanvas == "undefined") Browser.resizeCanvas = false;
  var canvas = Module["canvas"];
  function fullscreenChange() {
   Browser.isFullscreen = false;
   var canvasContainer = canvas.parentNode;
   if ((document["fullscreenElement"] || document["mozFullScreenElement"] || document["msFullscreenElement"] || document["webkitFullscreenElement"] || document["webkitCurrentFullScreenElement"]) === canvasContainer) {
    canvas.exitFullscreen = Browser.exitFullscreen;
    if (Browser.lockPointer) canvas.requestPointerLock();
    Browser.isFullscreen = true;
    if (Browser.resizeCanvas) {
     Browser.setFullscreenCanvasSize();
    } else {
     Browser.updateCanvasDimensions(canvas);
    }
   } else {
    canvasContainer.parentNode.insertBefore(canvas, canvasContainer);
    canvasContainer.parentNode.removeChild(canvasContainer);
    if (Browser.resizeCanvas) {
     Browser.setWindowedCanvasSize();
    } else {
     Browser.updateCanvasDimensions(canvas);
    }
   }
   if (Module["onFullScreen"]) Module["onFullScreen"](Browser.isFullscreen);
   if (Module["onFullscreen"]) Module["onFullscreen"](Browser.isFullscreen);
  }
  if (!Browser.fullscreenHandlersInstalled) {
   Browser.fullscreenHandlersInstalled = true;
   document.addEventListener("fullscreenchange", fullscreenChange, false);
   document.addEventListener("mozfullscreenchange", fullscreenChange, false);
   document.addEventListener("webkitfullscreenchange", fullscreenChange, false);
   document.addEventListener("MSFullscreenChange", fullscreenChange, false);
  }
  var canvasContainer = document.createElement("div");
  canvas.parentNode.insertBefore(canvasContainer, canvas);
  canvasContainer.appendChild(canvas);
  canvasContainer.requestFullscreen = canvasContainer["requestFullscreen"] || canvasContainer["mozRequestFullScreen"] || canvasContainer["msRequestFullscreen"] || (canvasContainer["webkitRequestFullscreen"] ? () => canvasContainer["webkitRequestFullscreen"](Element["ALLOW_KEYBOARD_INPUT"]) : null) || (canvasContainer["webkitRequestFullScreen"] ? () => canvasContainer["webkitRequestFullScreen"](Element["ALLOW_KEYBOARD_INPUT"]) : null);
  canvasContainer.requestFullscreen();
 },
 exitFullscreen: function() {
  if (!Browser.isFullscreen) {
   return false;
  }
  var CFS = document["exitFullscreen"] || document["cancelFullScreen"] || document["mozCancelFullScreen"] || document["msExitFullscreen"] || document["webkitCancelFullScreen"] || function() {};
  CFS.apply(document, []);
  return true;
 },
 nextRAF: 0,
 fakeRequestAnimationFrame: function(func) {
  var now = Date.now();
  if (Browser.nextRAF === 0) {
   Browser.nextRAF = now + 1e3 / 60;
  } else {
   while (now + 2 >= Browser.nextRAF) {
    Browser.nextRAF += 1e3 / 60;
   }
  }
  var delay = Math.max(Browser.nextRAF - now, 0);
  setTimeout(func, delay);
 },
 requestAnimationFrame: function(func) {
  if (typeof requestAnimationFrame == "function") {
   requestAnimationFrame(func);
   return;
  }
  var RAF = Browser.fakeRequestAnimationFrame;
  RAF(func);
 },
 safeSetTimeout: function(func, timeout) {
  return safeSetTimeout(func, timeout);
 },
 safeRequestAnimationFrame: function(func) {
  runtimeKeepalivePush();
  return Browser.requestAnimationFrame(function() {
   runtimeKeepalivePop();
   callUserCallback(func);
  });
 },
 getMimetype: function(name) {
  return {
   "jpg": "image/jpeg",
   "jpeg": "image/jpeg",
   "png": "image/png",
   "bmp": "image/bmp",
   "ogg": "audio/ogg",
   "wav": "audio/wav",
   "mp3": "audio/mpeg"
  }[name.substr(name.lastIndexOf(".") + 1)];
 },
 getUserMedia: function(func) {
  if (!window.getUserMedia) {
   window.getUserMedia = navigator["getUserMedia"] || navigator["mozGetUserMedia"];
  }
  window.getUserMedia(func);
 },
 getMovementX: function(event) {
  return event["movementX"] || event["mozMovementX"] || event["webkitMovementX"] || 0;
 },
 getMovementY: function(event) {
  return event["movementY"] || event["mozMovementY"] || event["webkitMovementY"] || 0;
 },
 getMouseWheelDelta: function(event) {
  var delta = 0;
  switch (event.type) {
  case "DOMMouseScroll":
   delta = event.detail / 3;
   break;

  case "mousewheel":
   delta = event.wheelDelta / 120;
   break;

  case "wheel":
   delta = event.deltaY;
   switch (event.deltaMode) {
   case 0:
    delta /= 100;
    break;

   case 1:
    delta /= 3;
    break;

   case 2:
    delta *= 80;
    break;

   default:
    throw "unrecognized mouse wheel delta mode: " + event.deltaMode;
   }
   break;

  default:
   throw "unrecognized mouse wheel event: " + event.type;
  }
  return delta;
 },
 mouseX: 0,
 mouseY: 0,
 mouseMovementX: 0,
 mouseMovementY: 0,
 touches: {},
 lastTouches: {},
 calculateMouseEvent: function(event) {
  if (Browser.pointerLock) {
   if (event.type != "mousemove" && "mozMovementX" in event) {
    Browser.mouseMovementX = Browser.mouseMovementY = 0;
   } else {
    Browser.mouseMovementX = Browser.getMovementX(event);
    Browser.mouseMovementY = Browser.getMovementY(event);
   }
   if (typeof SDL != "undefined") {
    Browser.mouseX = SDL.mouseX + Browser.mouseMovementX;
    Browser.mouseY = SDL.mouseY + Browser.mouseMovementY;
   } else {
    Browser.mouseX += Browser.mouseMovementX;
    Browser.mouseY += Browser.mouseMovementY;
   }
  } else {
   var rect = Module["canvas"].getBoundingClientRect();
   var cw = Module["canvas"].width;
   var ch = Module["canvas"].height;
   var scrollX = typeof window.scrollX != "undefined" ? window.scrollX : window.pageXOffset;
   var scrollY = typeof window.scrollY != "undefined" ? window.scrollY : window.pageYOffset;
   if (event.type === "touchstart" || event.type === "touchend" || event.type === "touchmove") {
    var touch = event.touch;
    if (touch === undefined) {
     return;
    }
    var adjustedX = touch.pageX - (scrollX + rect.left);
    var adjustedY = touch.pageY - (scrollY + rect.top);
    adjustedX = adjustedX * (cw / rect.width);
    adjustedY = adjustedY * (ch / rect.height);
    var coords = {
     x: adjustedX,
     y: adjustedY
    };
    if (event.type === "touchstart") {
     Browser.lastTouches[touch.identifier] = coords;
     Browser.touches[touch.identifier] = coords;
    } else if (event.type === "touchend" || event.type === "touchmove") {
     var last = Browser.touches[touch.identifier];
     if (!last) last = coords;
     Browser.lastTouches[touch.identifier] = last;
     Browser.touches[touch.identifier] = coords;
    }
    return;
   }
   var x = event.pageX - (scrollX + rect.left);
   var y = event.pageY - (scrollY + rect.top);
   x = x * (cw / rect.width);
   y = y * (ch / rect.height);
   Browser.mouseMovementX = x - Browser.mouseX;
   Browser.mouseMovementY = y - Browser.mouseY;
   Browser.mouseX = x;
   Browser.mouseY = y;
  }
 },
 resizeListeners: [],
 updateResizeListeners: function() {
  var canvas = Module["canvas"];
  Browser.resizeListeners.forEach(function(listener) {
   listener(canvas.width, canvas.height);
  });
 },
 setCanvasSize: function(width, height, noUpdates) {
  var canvas = Module["canvas"];
  Browser.updateCanvasDimensions(canvas, width, height);
  if (!noUpdates) Browser.updateResizeListeners();
 },
 windowedWidth: 0,
 windowedHeight: 0,
 setFullscreenCanvasSize: function() {
  if (typeof SDL != "undefined") {
   var flags = GROWABLE_HEAP_U32()[SDL.screen >>> 2];
   flags = flags | 8388608;
   GROWABLE_HEAP_I32()[SDL.screen >>> 2] = flags;
  }
  Browser.updateCanvasDimensions(Module["canvas"]);
  Browser.updateResizeListeners();
 },
 setWindowedCanvasSize: function() {
  if (typeof SDL != "undefined") {
   var flags = GROWABLE_HEAP_U32()[SDL.screen >>> 2];
   flags = flags & ~8388608;
   GROWABLE_HEAP_I32()[SDL.screen >>> 2] = flags;
  }
  Browser.updateCanvasDimensions(Module["canvas"]);
  Browser.updateResizeListeners();
 },
 updateCanvasDimensions: function(canvas, wNative, hNative) {
  if (wNative && hNative) {
   canvas.widthNative = wNative;
   canvas.heightNative = hNative;
  } else {
   wNative = canvas.widthNative;
   hNative = canvas.heightNative;
  }
  var w = wNative;
  var h = hNative;
  if (Module["forcedAspectRatio"] && Module["forcedAspectRatio"] > 0) {
   if (w / h < Module["forcedAspectRatio"]) {
    w = Math.round(h * Module["forcedAspectRatio"]);
   } else {
    h = Math.round(w / Module["forcedAspectRatio"]);
   }
  }
  if ((document["fullscreenElement"] || document["mozFullScreenElement"] || document["msFullscreenElement"] || document["webkitFullscreenElement"] || document["webkitCurrentFullScreenElement"]) === canvas.parentNode && typeof screen != "undefined") {
   var factor = Math.min(screen.width / w, screen.height / h);
   w = Math.round(w * factor);
   h = Math.round(h * factor);
  }
  if (Browser.resizeCanvas) {
   if (canvas.width != w) canvas.width = w;
   if (canvas.height != h) canvas.height = h;
   if (typeof canvas.style != "undefined") {
    canvas.style.removeProperty("width");
    canvas.style.removeProperty("height");
   }
  } else {
   if (canvas.width != wNative) canvas.width = wNative;
   if (canvas.height != hNative) canvas.height = hNative;
   if (typeof canvas.style != "undefined") {
    if (w != wNative || h != hNative) {
     canvas.style.setProperty("width", w + "px", "important");
     canvas.style.setProperty("height", h + "px", "important");
    } else {
     canvas.style.removeProperty("width");
     canvas.style.removeProperty("height");
    }
   }
  }
 }
};

function _emscripten_set_main_loop_timing(mode, value) {
 Browser.mainLoop.timingMode = mode;
 Browser.mainLoop.timingValue = value;
 if (!Browser.mainLoop.func) {
  return 1;
 }
 if (!Browser.mainLoop.running) {
  runtimeKeepalivePush();
  Browser.mainLoop.running = true;
 }
 if (mode == 0) {
  Browser.mainLoop.scheduler = function Browser_mainLoop_scheduler_setTimeout() {
   var timeUntilNextTick = Math.max(0, Browser.mainLoop.tickStartTime + value - _emscripten_get_now()) | 0;
   setTimeout(Browser.mainLoop.runner, timeUntilNextTick);
  };
  Browser.mainLoop.method = "timeout";
 } else if (mode == 1) {
  Browser.mainLoop.scheduler = function Browser_mainLoop_scheduler_rAF() {
   Browser.requestAnimationFrame(Browser.mainLoop.runner);
  };
  Browser.mainLoop.method = "rAF";
 } else if (mode == 2) {
  if (typeof setImmediate == "undefined") {
   var setImmediates = [];
   var emscriptenMainLoopMessageId = "setimmediate";
   var Browser_setImmediate_messageHandler = event => {
    if (event.data === emscriptenMainLoopMessageId || event.data.target === emscriptenMainLoopMessageId) {
     event.stopPropagation();
     setImmediates.shift()();
    }
   };
   addEventListener("message", Browser_setImmediate_messageHandler, true);
   setImmediate = function Browser_emulated_setImmediate(func) {
    setImmediates.push(func);
    if (ENVIRONMENT_IS_WORKER) {
     if (Module["setImmediates"] === undefined) Module["setImmediates"] = [];
     Module["setImmediates"].push(func);
     postMessage({
      target: emscriptenMainLoopMessageId
     });
    } else postMessage(emscriptenMainLoopMessageId, "*");
   };
  }
  Browser.mainLoop.scheduler = function Browser_mainLoop_scheduler_setImmediate() {
   setImmediate(Browser.mainLoop.runner);
  };
  Browser.mainLoop.method = "immediate";
 }
 return 0;
}

function setMainLoop(browserIterationFunc, fps, simulateInfiniteLoop, arg, noSetTiming) {
 assert(!Browser.mainLoop.func, "emscripten_set_main_loop: there can only be one main loop function at once: call emscripten_cancel_main_loop to cancel the previous one before setting a new one with different parameters.");
 Browser.mainLoop.func = browserIterationFunc;
 Browser.mainLoop.arg = arg;
 var thisMainLoopId = Browser.mainLoop.currentlyRunningMainloop;
 function checkIsRunning() {
  if (thisMainLoopId < Browser.mainLoop.currentlyRunningMainloop) {
   runtimeKeepalivePop();
   return false;
  }
  return true;
 }
 Browser.mainLoop.running = false;
 Browser.mainLoop.runner = function Browser_mainLoop_runner() {
  if (ABORT) return;
  if (Browser.mainLoop.queue.length > 0) {
   var start = Date.now();
   var blocker = Browser.mainLoop.queue.shift();
   blocker.func(blocker.arg);
   if (Browser.mainLoop.remainingBlockers) {
    var remaining = Browser.mainLoop.remainingBlockers;
    var next = remaining % 1 == 0 ? remaining - 1 : Math.floor(remaining);
    if (blocker.counted) {
     Browser.mainLoop.remainingBlockers = next;
    } else {
     next = next + .5;
     Browser.mainLoop.remainingBlockers = (8 * remaining + next) / 9;
    }
   }
   out('main loop blocker "' + blocker.name + '" took ' + (Date.now() - start) + " ms");
   Browser.mainLoop.updateStatus();
   if (!checkIsRunning()) return;
   setTimeout(Browser.mainLoop.runner, 0);
   return;
  }
  if (!checkIsRunning()) return;
  Browser.mainLoop.currentFrameNumber = Browser.mainLoop.currentFrameNumber + 1 | 0;
  if (Browser.mainLoop.timingMode == 1 && Browser.mainLoop.timingValue > 1 && Browser.mainLoop.currentFrameNumber % Browser.mainLoop.timingValue != 0) {
   Browser.mainLoop.scheduler();
   return;
  } else if (Browser.mainLoop.timingMode == 0) {
   Browser.mainLoop.tickStartTime = _emscripten_get_now();
  }
  GL.newRenderingFrameStarted();
  if (typeof GL != "undefined" && GL.currentContext && !GL.currentContextIsProxied && !GL.currentContext.attributes.explicitSwapControl && GL.currentContext.GLctx.commit) {
   GL.currentContext.GLctx.commit();
  }
  Browser.mainLoop.runIter(browserIterationFunc);
  if (!checkIsRunning()) return;
  if (typeof SDL == "object" && SDL.audio && SDL.audio.queueNewAudioData) SDL.audio.queueNewAudioData();
  Browser.mainLoop.scheduler();
 };
 if (!noSetTiming) {
  if (fps && fps > 0) _emscripten_set_main_loop_timing(0, 1e3 / fps); else _emscripten_set_main_loop_timing(1, 1);
  Browser.mainLoop.scheduler();
 }
 if (simulateInfiniteLoop) {
  throw "unwind";
 }
}

function _emscripten_set_main_loop_arg(func, arg, fps, simulateInfiniteLoop) {
 var browserIterationFunc = () => getWasmTableEntry(func)(arg);
 setMainLoop(browserIterationFunc, fps, simulateInfiniteLoop, arg);
}

function _emscripten_set_mousedown_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
 if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(36, 1, target, userData, useCapture, callbackfunc, targetThread);
 registerMouseEventCallback(target, userData, useCapture, callbackfunc, 5, "mousedown", targetThread);
 return 0;
}

function _emscripten_set_mousemove_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
 if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(37, 1, target, userData, useCapture, callbackfunc, targetThread);
 registerMouseEventCallback(target, userData, useCapture, callbackfunc, 8, "mousemove", targetThread);
 return 0;
}

function _emscripten_set_mouseup_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
 if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(38, 1, target, userData, useCapture, callbackfunc, targetThread);
 registerMouseEventCallback(target, userData, useCapture, callbackfunc, 6, "mouseup", targetThread);
 return 0;
}

function _emscripten_set_timeout(cb, msecs, userData) {
 return safeSetTimeout(() => getWasmTableEntry(cb)(userData), msecs);
}

function registerWheelEventCallback(target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) {
 targetThread = JSEvents.getTargetThreadForEventCallback(targetThread);
 if (!JSEvents.wheelEvent) JSEvents.wheelEvent = _malloc(104);
 var wheelHandlerFunc = function(e = event) {
  var wheelEvent = targetThread ? _malloc(104) : JSEvents.wheelEvent;
  fillMouseEventData(wheelEvent, e, target);
  GROWABLE_HEAP_F64()[wheelEvent + 72 >>> 3] = e["deltaX"];
  GROWABLE_HEAP_F64()[wheelEvent + 80 >>> 3] = e["deltaY"];
  GROWABLE_HEAP_F64()[wheelEvent + 88 >>> 3] = e["deltaZ"];
  GROWABLE_HEAP_I32()[wheelEvent + 96 >>> 2] = e["deltaMode"];
  if (targetThread) JSEvents.queueEventHandlerOnThread_iiii(targetThread, callbackfunc, eventTypeId, wheelEvent, userData); else if (getWasmTableEntry(callbackfunc)(eventTypeId, wheelEvent, userData)) e.preventDefault();
 };
 var eventHandler = {
  target: target,
  allowsDeferredCalls: true,
  eventTypeString: eventTypeString,
  callbackfunc: callbackfunc,
  handlerFunc: wheelHandlerFunc,
  useCapture: useCapture
 };
 JSEvents.registerOrRemoveHandler(eventHandler);
}

function _emscripten_set_wheel_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
 if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(39, 1, target, userData, useCapture, callbackfunc, targetThread);
 target = findEventTarget(target);
 if (typeof target.onwheel != "undefined") {
  registerWheelEventCallback(target, userData, useCapture, callbackfunc, 9, "wheel", targetThread);
  return 0;
 } else {
  return -1;
 }
}

var Fetch = {
 xhrs: {},
 setu64: function(addr, val) {
  GROWABLE_HEAP_U32()[addr >>> 2] = val;
  GROWABLE_HEAP_U32()[addr + 4 >>> 2] = val / 4294967296 | 0;
 },
 openDatabase: function(dbname, dbversion, onsuccess, onerror) {
  try {
   var openRequest = indexedDB.open(dbname, dbversion);
  } catch (e) {
   return onerror(e);
  }
  openRequest.onupgradeneeded = event => {
   var db = event.target.result;
   if (db.objectStoreNames.contains("FILES")) {
    db.deleteObjectStore("FILES");
   }
   db.createObjectStore("FILES");
  };
  openRequest.onsuccess = event => onsuccess(event.target.result);
  openRequest.onerror = error => onerror(error);
 },
 staticInit: function() {
  var onsuccess = db => {
   Fetch.dbInstance = db;
   removeRunDependency("library_fetch_init");
  };
  var onerror = () => {
   Fetch.dbInstance = false;
   removeRunDependency("library_fetch_init");
  };
  addRunDependency("library_fetch_init");
  Fetch.openDatabase("emscripten_filesystem", 1, onsuccess, onerror);
 }
};

function fetchXHR(fetch, onsuccess, onerror, onprogress, onreadystatechange) {
 var url = GROWABLE_HEAP_U32()[fetch + 8 >>> 2];
 if (!url) {
  onerror(fetch, 0, "no url specified!");
  return;
 }
 var url_ = UTF8ToString(url);
 var fetch_attr = fetch + 112;
 var requestMethod = UTF8ToString(fetch_attr);
 if (!requestMethod) requestMethod = "GET";
 var userData = GROWABLE_HEAP_U32()[fetch + 4 >>> 2];
 var fetchAttributes = GROWABLE_HEAP_U32()[fetch_attr + 52 >>> 2];
 var timeoutMsecs = GROWABLE_HEAP_U32()[fetch_attr + 56 >>> 2];
 var withCredentials = !!GROWABLE_HEAP_U32()[fetch_attr + 60 >>> 2];
 var destinationPath = GROWABLE_HEAP_U32()[fetch_attr + 64 >>> 2];
 var userName = GROWABLE_HEAP_U32()[fetch_attr + 68 >>> 2];
 var password = GROWABLE_HEAP_U32()[fetch_attr + 72 >>> 2];
 var requestHeaders = GROWABLE_HEAP_U32()[fetch_attr + 76 >>> 2];
 var overriddenMimeType = GROWABLE_HEAP_U32()[fetch_attr + 80 >>> 2];
 var dataPtr = GROWABLE_HEAP_U32()[fetch_attr + 84 >>> 2];
 var dataLength = GROWABLE_HEAP_U32()[fetch_attr + 88 >>> 2];
 var fetchAttrLoadToMemory = !!(fetchAttributes & 1);
 var fetchAttrStreamData = !!(fetchAttributes & 2);
 var fetchAttrPersistFile = !!(fetchAttributes & 4);
 var fetchAttrAppend = !!(fetchAttributes & 8);
 var fetchAttrReplace = !!(fetchAttributes & 16);
 var fetchAttrSynchronous = !!(fetchAttributes & 64);
 var fetchAttrWaitable = !!(fetchAttributes & 128);
 var userNameStr = userName ? UTF8ToString(userName) : undefined;
 var passwordStr = password ? UTF8ToString(password) : undefined;
 var xhr = new XMLHttpRequest();
 xhr.withCredentials = withCredentials;
 xhr.open(requestMethod, url_, !fetchAttrSynchronous, userNameStr, passwordStr);
 if (!fetchAttrSynchronous) xhr.timeout = timeoutMsecs;
 xhr.url_ = url_;
 xhr.responseType = "arraybuffer";
 if (overriddenMimeType) {
  var overriddenMimeTypeStr = UTF8ToString(overriddenMimeType);
  xhr.overrideMimeType(overriddenMimeTypeStr);
 }
 if (requestHeaders) {
  for (;;) {
   var key = GROWABLE_HEAP_U32()[requestHeaders >>> 2];
   if (!key) break;
   var value = GROWABLE_HEAP_U32()[requestHeaders + 4 >>> 2];
   if (!value) break;
   requestHeaders += 8;
   var keyStr = UTF8ToString(key);
   var valueStr = UTF8ToString(value);
   xhr.setRequestHeader(keyStr, valueStr);
  }
 }
 var id = GROWABLE_HEAP_U32()[fetch + 0 >>> 2];
 Fetch.xhrs[id] = xhr;
 var data = dataPtr && dataLength ? GROWABLE_HEAP_U8().slice(dataPtr, dataPtr + dataLength) : null;
 function saveResponseAndStatus() {
  var ptr = 0;
  var ptrLen = 0;
  if (xhr.response && fetchAttrLoadToMemory && GROWABLE_HEAP_U32()[fetch + 12 >>> 2] === 0) {
   ptrLen = xhr.response.byteLength;
  }
  if (ptrLen > 0) {
   ptr = _malloc(ptrLen);
   GROWABLE_HEAP_U8().set(new Uint8Array(xhr.response), ptr >>> 0);
  }
  GROWABLE_HEAP_U32()[fetch + 12 >>> 2] = ptr;
  Fetch.setu64(fetch + 16, ptrLen);
  Fetch.setu64(fetch + 24, 0);
  var len = xhr.response ? xhr.response.byteLength : 0;
  if (len) {
   Fetch.setu64(fetch + 32, len);
  }
  GROWABLE_HEAP_U16()[fetch + 40 >>> 1] = xhr.readyState;
  GROWABLE_HEAP_U16()[fetch + 42 >>> 1] = xhr.status;
  if (xhr.statusText) stringToUTF8(xhr.statusText, fetch + 44, 64);
 }
 xhr.onload = e => {
  if (!(id in Fetch.xhrs)) {
   return;
  }
  saveResponseAndStatus();
  if (xhr.status >= 200 && xhr.status < 300) {
   if (onsuccess) onsuccess(fetch, xhr, e);
  } else {
   if (onerror) onerror(fetch, xhr, e);
  }
 };
 xhr.onerror = e => {
  if (!(id in Fetch.xhrs)) {
   return;
  }
  saveResponseAndStatus();
  if (onerror) onerror(fetch, xhr, e);
 };
 xhr.ontimeout = e => {
  if (!(id in Fetch.xhrs)) {
   return;
  }
  if (onerror) onerror(fetch, xhr, e);
 };
 xhr.onprogress = e => {
  if (!(id in Fetch.xhrs)) {
   return;
  }
  var ptrLen = fetchAttrLoadToMemory && fetchAttrStreamData && xhr.response ? xhr.response.byteLength : 0;
  var ptr = 0;
  if (ptrLen > 0 && fetchAttrLoadToMemory && fetchAttrStreamData) {
   ptr = _malloc(ptrLen);
   GROWABLE_HEAP_U8().set(new Uint8Array(xhr.response), ptr >>> 0);
  }
  GROWABLE_HEAP_U32()[fetch + 12 >>> 2] = ptr;
  Fetch.setu64(fetch + 16, ptrLen);
  Fetch.setu64(fetch + 24, e.loaded - ptrLen);
  Fetch.setu64(fetch + 32, e.total);
  GROWABLE_HEAP_U16()[fetch + 40 >>> 1] = xhr.readyState;
  if (xhr.readyState >= 3 && xhr.status === 0 && e.loaded > 0) xhr.status = 200;
  GROWABLE_HEAP_U16()[fetch + 42 >>> 1] = xhr.status;
  if (xhr.statusText) stringToUTF8(xhr.statusText, fetch + 44, 64);
  if (onprogress) onprogress(fetch, xhr, e);
  if (ptr) {
   _free(ptr);
  }
 };
 xhr.onreadystatechange = e => {
  if (!(id in Fetch.xhrs)) {
   runtimeKeepalivePop();
   return;
  }
  GROWABLE_HEAP_U16()[fetch + 40 >>> 1] = xhr.readyState;
  if (xhr.readyState >= 2) {
   GROWABLE_HEAP_U16()[fetch + 42 >>> 1] = xhr.status;
  }
  if (onreadystatechange) onreadystatechange(fetch, xhr, e);
 };
 try {
  xhr.send(data);
 } catch (e) {
  if (onerror) onerror(fetch, xhr, e);
 }
}

function fetchCacheData(db, fetch, data, onsuccess, onerror) {
 if (!db) {
  onerror(fetch, 0, "IndexedDB not available!");
  return;
 }
 var fetch_attr = fetch + 112;
 var destinationPath = GROWABLE_HEAP_U32()[fetch_attr + 64 >>> 2];
 if (!destinationPath) destinationPath = GROWABLE_HEAP_U32()[fetch + 8 >>> 2];
 var destinationPathStr = UTF8ToString(destinationPath);
 try {
  var transaction = db.transaction([ "FILES" ], "readwrite");
  var packages = transaction.objectStore("FILES");
  var putRequest = packages.put(data, destinationPathStr);
  putRequest.onsuccess = event => {
   GROWABLE_HEAP_U16()[fetch + 40 >>> 1] = 4;
   GROWABLE_HEAP_U16()[fetch + 42 >>> 1] = 200;
   stringToUTF8("OK", fetch + 44, 64);
   onsuccess(fetch, 0, destinationPathStr);
  };
  putRequest.onerror = error => {
   GROWABLE_HEAP_U16()[fetch + 40 >>> 1] = 4;
   GROWABLE_HEAP_U16()[fetch + 42 >>> 1] = 413;
   stringToUTF8("Payload Too Large", fetch + 44, 64);
   onerror(fetch, 0, error);
  };
 } catch (e) {
  onerror(fetch, 0, e);
 }
}

function fetchLoadCachedData(db, fetch, onsuccess, onerror) {
 if (!db) {
  onerror(fetch, 0, "IndexedDB not available!");
  return;
 }
 var fetch_attr = fetch + 112;
 var path = GROWABLE_HEAP_U32()[fetch_attr + 64 >>> 2];
 if (!path) path = GROWABLE_HEAP_U32()[fetch + 8 >>> 2];
 var pathStr = UTF8ToString(path);
 try {
  var transaction = db.transaction([ "FILES" ], "readonly");
  var packages = transaction.objectStore("FILES");
  var getRequest = packages.get(pathStr);
  getRequest.onsuccess = event => {
   if (event.target.result) {
    var value = event.target.result;
    var len = value.byteLength || value.length;
    var ptr = _malloc(len);
    GROWABLE_HEAP_U8().set(new Uint8Array(value), ptr >>> 0);
    GROWABLE_HEAP_U32()[fetch + 12 >>> 2] = ptr;
    Fetch.setu64(fetch + 16, len);
    Fetch.setu64(fetch + 24, 0);
    Fetch.setu64(fetch + 32, len);
    GROWABLE_HEAP_U16()[fetch + 40 >>> 1] = 4;
    GROWABLE_HEAP_U16()[fetch + 42 >>> 1] = 200;
    stringToUTF8("OK", fetch + 44, 64);
    onsuccess(fetch, 0, value);
   } else {
    GROWABLE_HEAP_U16()[fetch + 40 >>> 1] = 4;
    GROWABLE_HEAP_U16()[fetch + 42 >>> 1] = 404;
    stringToUTF8("Not Found", fetch + 44, 64);
    onerror(fetch, 0, "no data");
   }
  };
  getRequest.onerror = error => {
   GROWABLE_HEAP_U16()[fetch + 40 >>> 1] = 4;
   GROWABLE_HEAP_U16()[fetch + 42 >>> 1] = 404;
   stringToUTF8("Not Found", fetch + 44, 64);
   onerror(fetch, 0, error);
  };
 } catch (e) {
  onerror(fetch, 0, e);
 }
}

function fetchDeleteCachedData(db, fetch, onsuccess, onerror) {
 if (!db) {
  onerror(fetch, 0, "IndexedDB not available!");
  return;
 }
 var fetch_attr = fetch + 112;
 var path = GROWABLE_HEAP_U32()[fetch_attr + 64 >>> 2];
 if (!path) path = GROWABLE_HEAP_U32()[fetch + 8 >>> 2];
 var pathStr = UTF8ToString(path);
 try {
  var transaction = db.transaction([ "FILES" ], "readwrite");
  var packages = transaction.objectStore("FILES");
  var request = packages.delete(pathStr);
  request.onsuccess = event => {
   var value = event.target.result;
   GROWABLE_HEAP_U32()[fetch + 12 >>> 2] = 0;
   Fetch.setu64(fetch + 16, 0);
   Fetch.setu64(fetch + 24, 0);
   Fetch.setu64(fetch + 32, 0);
   GROWABLE_HEAP_U16()[fetch + 40 >>> 1] = 4;
   GROWABLE_HEAP_U16()[fetch + 42 >>> 1] = 200;
   stringToUTF8("OK", fetch + 44, 64);
   onsuccess(fetch, 0, value);
  };
  request.onerror = error => {
   GROWABLE_HEAP_U16()[fetch + 40 >>> 1] = 4;
   GROWABLE_HEAP_U16()[fetch + 42 >>> 1] = 404;
   stringToUTF8("Not Found", fetch + 44, 64);
   onerror(fetch, 0, error);
  };
 } catch (e) {
  onerror(fetch, 0, e);
 }
}

function _emscripten_start_fetch(fetch, successcb, errorcb, progresscb, readystatechangecb) {
 runtimeKeepalivePush();
 var fetch_attr = fetch + 112;
 var requestMethod = UTF8ToString(fetch_attr);
 var onsuccess = GROWABLE_HEAP_U32()[fetch_attr + 36 >>> 2];
 var onerror = GROWABLE_HEAP_U32()[fetch_attr + 40 >>> 2];
 var onprogress = GROWABLE_HEAP_U32()[fetch_attr + 44 >>> 2];
 var onreadystatechange = GROWABLE_HEAP_U32()[fetch_attr + 48 >>> 2];
 var fetchAttributes = GROWABLE_HEAP_U32()[fetch_attr + 52 >>> 2];
 var fetchAttrLoadToMemory = !!(fetchAttributes & 1);
 var fetchAttrStreamData = !!(fetchAttributes & 2);
 var fetchAttrPersistFile = !!(fetchAttributes & 4);
 var fetchAttrNoDownload = !!(fetchAttributes & 32);
 var fetchAttrAppend = !!(fetchAttributes & 8);
 var fetchAttrReplace = !!(fetchAttributes & 16);
 var fetchAttrSynchronous = !!(fetchAttributes & 64);
 function doCallback(f) {
  if (fetchAttrSynchronous) {
   f();
  } else {
   callUserCallback(f);
  }
 }
 var reportSuccess = (fetch, xhr, e) => {
  runtimeKeepalivePop();
  doCallback(() => {
   if (onsuccess) getWasmTableEntry(onsuccess)(fetch); else if (successcb) successcb(fetch);
  });
 };
 var reportProgress = (fetch, xhr, e) => {
  doCallback(() => {
   if (onprogress) getWasmTableEntry(onprogress)(fetch); else if (progresscb) progresscb(fetch);
  });
 };
 var reportError = (fetch, xhr, e) => {
  runtimeKeepalivePop();
  doCallback(() => {
   if (onerror) getWasmTableEntry(onerror)(fetch); else if (errorcb) errorcb(fetch);
  });
 };
 var reportReadyStateChange = (fetch, xhr, e) => {
  doCallback(() => {
   if (onreadystatechange) getWasmTableEntry(onreadystatechange)(fetch); else if (readystatechangecb) readystatechangecb(fetch);
  });
 };
 var performUncachedXhr = (fetch, xhr, e) => {
  fetchXHR(fetch, reportSuccess, reportError, reportProgress, reportReadyStateChange);
 };
 var cacheResultAndReportSuccess = (fetch, xhr, e) => {
  var storeSuccess = (fetch, xhr, e) => {
   runtimeKeepalivePop();
   doCallback(() => {
    if (onsuccess) getWasmTableEntry(onsuccess)(fetch); else if (successcb) successcb(fetch);
   });
  };
  var storeError = (fetch, xhr, e) => {
   runtimeKeepalivePop();
   doCallback(() => {
    if (onsuccess) getWasmTableEntry(onsuccess)(fetch); else if (successcb) successcb(fetch);
   });
  };
  fetchCacheData(Fetch.dbInstance, fetch, xhr.response, storeSuccess, storeError);
 };
 var performCachedXhr = (fetch, xhr, e) => {
  fetchXHR(fetch, cacheResultAndReportSuccess, reportError, reportProgress, reportReadyStateChange);
 };
 if (requestMethod === "EM_IDB_STORE") {
  var ptr = GROWABLE_HEAP_U32()[fetch_attr + 84 >>> 2];
  fetchCacheData(Fetch.dbInstance, fetch, GROWABLE_HEAP_U8().slice(ptr, ptr + GROWABLE_HEAP_U32()[fetch_attr + 88 >>> 2]), reportSuccess, reportError);
 } else if (requestMethod === "EM_IDB_DELETE") {
  fetchDeleteCachedData(Fetch.dbInstance, fetch, reportSuccess, reportError);
 } else if (!fetchAttrReplace) {
  fetchLoadCachedData(Fetch.dbInstance, fetch, reportSuccess, fetchAttrNoDownload ? reportError : fetchAttrPersistFile ? performCachedXhr : performUncachedXhr);
 } else if (!fetchAttrNoDownload) {
  fetchXHR(fetch, fetchAttrPersistFile ? cacheResultAndReportSuccess : reportSuccess, reportError, reportProgress, reportReadyStateChange);
 } else {
  return 0;
 }
 return fetch;
}

function _emscripten_unwind_to_js_event_loop() {
 throw "unwind";
}

function _emscripten_webgl_do_commit_frame() {
 if (!GL.currentContext || !GL.currentContext.GLctx) {
  return -3;
 }
 if (!GL.currentContext.attributes.explicitSwapControl) {
  return -3;
 }
 return 0;
}

var _emscripten_webgl_commit_frame = _emscripten_webgl_do_commit_frame;

var __emscripten_webgl_power_preferences = [ "default", "low-power", "high-performance" ];

function _emscripten_webgl_do_create_context(target, attributes) {
 var a = attributes >> 2;
 var powerPreference = GROWABLE_HEAP_I32()[a + (24 >> 2) >>> 0];
 var contextAttributes = {
  "alpha": !!GROWABLE_HEAP_I32()[a + (0 >> 2) >>> 0],
  "depth": !!GROWABLE_HEAP_I32()[a + (4 >> 2) >>> 0],
  "stencil": !!GROWABLE_HEAP_I32()[a + (8 >> 2) >>> 0],
  "antialias": !!GROWABLE_HEAP_I32()[a + (12 >> 2) >>> 0],
  "premultipliedAlpha": !!GROWABLE_HEAP_I32()[a + (16 >> 2) >>> 0],
  "preserveDrawingBuffer": !!GROWABLE_HEAP_I32()[a + (20 >> 2) >>> 0],
  "powerPreference": __emscripten_webgl_power_preferences[powerPreference],
  "failIfMajorPerformanceCaveat": !!GROWABLE_HEAP_I32()[a + (28 >> 2) >>> 0],
  majorVersion: GROWABLE_HEAP_I32()[a + (32 >> 2) >>> 0],
  minorVersion: GROWABLE_HEAP_I32()[a + (36 >> 2) >>> 0],
  enableExtensionsByDefault: GROWABLE_HEAP_I32()[a + (40 >> 2) >>> 0],
  explicitSwapControl: GROWABLE_HEAP_I32()[a + (44 >> 2) >>> 0],
  proxyContextToMainThread: GROWABLE_HEAP_I32()[a + (48 >> 2) >>> 0],
  renderViaOffscreenBackBuffer: GROWABLE_HEAP_I32()[a + (52 >> 2) >>> 0]
 };
 var canvas = findCanvasEventTarget(target);
 if (!canvas) {
  return 0;
 }
 if (canvas.offscreenCanvas) canvas = canvas.offscreenCanvas;
 if (contextAttributes.explicitSwapControl) {
  var supportsOffscreenCanvas = canvas.transferControlToOffscreen || typeof OffscreenCanvas != "undefined" && canvas instanceof OffscreenCanvas;
  if (!supportsOffscreenCanvas) {
   return 0;
  }
  if (canvas.transferControlToOffscreen) {
   if (!canvas.controlTransferredOffscreen) {
    GL.offscreenCanvases[canvas.id] = {
     canvas: canvas.transferControlToOffscreen(),
     canvasSharedPtr: _malloc(12),
     id: canvas.id
    };
    canvas.controlTransferredOffscreen = true;
   } else if (!GL.offscreenCanvases[canvas.id]) {
    return 0;
   }
   canvas = GL.offscreenCanvases[canvas.id];
  }
 }
 var contextHandle = GL.createContext(canvas, contextAttributes);
 return contextHandle;
}

var _emscripten_webgl_create_context = _emscripten_webgl_do_create_context;

function _emscripten_webgl_init_context_attributes(attributes) {
 var a = attributes >> 2;
 for (var i = 0; i < 56 >> 2; ++i) {
  GROWABLE_HEAP_I32()[a + i >>> 0] = 0;
 }
 GROWABLE_HEAP_I32()[a + (0 >> 2) >>> 0] = GROWABLE_HEAP_I32()[a + (4 >> 2) >>> 0] = GROWABLE_HEAP_I32()[a + (12 >> 2) >>> 0] = GROWABLE_HEAP_I32()[a + (16 >> 2) >>> 0] = GROWABLE_HEAP_I32()[a + (32 >> 2) >>> 0] = GROWABLE_HEAP_I32()[a + (40 >> 2) >>> 0] = 1;
 if (ENVIRONMENT_IS_WORKER) GROWABLE_HEAP_I32()[attributes + 48 >>> 2] = 1;
}

function _emscripten_webgl_make_context_current(contextHandle) {
 var success = GL.makeContextCurrent(contextHandle);
 return success ? 0 : -5;
}

var ENV = {};

function getExecutableName() {
 return thisProgram || "./this.program";
}

function getEnvStrings() {
 if (!getEnvStrings.strings) {
  var lang = (typeof navigator == "object" && navigator.languages && navigator.languages[0] || "C").replace("-", "_") + ".UTF-8";
  var env = {
   "USER": "web_user",
   "LOGNAME": "web_user",
   "PATH": "/",
   "PWD": "/",
   "HOME": "/home/web_user",
   "LANG": lang,
   "_": getExecutableName()
  };
  for (var x in ENV) {
   if (ENV[x] === undefined) delete env[x]; else env[x] = ENV[x];
  }
  var strings = [];
  for (var x in env) {
   strings.push(x + "=" + env[x]);
  }
  getEnvStrings.strings = strings;
 }
 return getEnvStrings.strings;
}

function writeAsciiToMemory(str, buffer, dontAddNull) {
 for (var i = 0; i < str.length; ++i) {
  GROWABLE_HEAP_I8()[buffer++ >>> 0] = str.charCodeAt(i);
 }
 if (!dontAddNull) GROWABLE_HEAP_I8()[buffer >>> 0] = 0;
}

function _environ_get(__environ, environ_buf) {
 if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(40, 1, __environ, environ_buf);
 var bufSize = 0;
 getEnvStrings().forEach(function(string, i) {
  var ptr = environ_buf + bufSize;
  GROWABLE_HEAP_U32()[__environ + i * 4 >>> 2] = ptr;
  writeAsciiToMemory(string, ptr);
  bufSize += string.length + 1;
 });
 return 0;
}

function _environ_sizes_get(penviron_count, penviron_buf_size) {
 if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(41, 1, penviron_count, penviron_buf_size);
 var strings = getEnvStrings();
 GROWABLE_HEAP_U32()[penviron_count >>> 2] = strings.length;
 var bufSize = 0;
 strings.forEach(function(string) {
  bufSize += string.length + 1;
 });
 GROWABLE_HEAP_U32()[penviron_buf_size >>> 2] = bufSize;
 return 0;
}

function _fd_close(fd) {
 if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(42, 1, fd);
 try {
  var stream = SYSCALLS.getStreamFromFD(fd);
  FS.close(stream);
  return 0;
 } catch (e) {
  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
  return e.errno;
 }
}

function _fd_fdstat_get(fd, pbuf) {
 if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(43, 1, fd, pbuf);
 try {
  var stream = SYSCALLS.getStreamFromFD(fd);
  var type = stream.tty ? 2 : FS.isDir(stream.mode) ? 3 : FS.isLink(stream.mode) ? 7 : 4;
  GROWABLE_HEAP_I8()[pbuf >>> 0] = type;
  return 0;
 } catch (e) {
  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
  return e.errno;
 }
}

function doReadv(stream, iov, iovcnt, offset) {
 var ret = 0;
 for (var i = 0; i < iovcnt; i++) {
  var ptr = GROWABLE_HEAP_U32()[iov >>> 2];
  var len = GROWABLE_HEAP_U32()[iov + 4 >>> 2];
  iov += 8;
  var curr = FS.read(stream, GROWABLE_HEAP_I8(), ptr, len, offset);
  if (curr < 0) return -1;
  ret += curr;
  if (curr < len) break;
  if (typeof offset !== "undefined") {
   offset += curr;
  }
 }
 return ret;
}

function _fd_pread(fd, iov, iovcnt, offset, pnum) {
 if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(44, 1, fd, iov, iovcnt, offset, pnum);
 try {
  offset = bigintToI53Checked(offset);
  if (isNaN(offset)) return 61;
  var stream = SYSCALLS.getStreamFromFD(fd);
  var num = doReadv(stream, iov, iovcnt, offset);
  GROWABLE_HEAP_U32()[pnum >>> 2] = num;
  return 0;
 } catch (e) {
  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
  return e.errno;
 }
}

function doWritev(stream, iov, iovcnt, offset) {
 var ret = 0;
 for (var i = 0; i < iovcnt; i++) {
  var ptr = GROWABLE_HEAP_U32()[iov >>> 2];
  var len = GROWABLE_HEAP_U32()[iov + 4 >>> 2];
  iov += 8;
  var curr = FS.write(stream, GROWABLE_HEAP_I8(), ptr, len, offset);
  if (curr < 0) return -1;
  ret += curr;
  if (typeof offset !== "undefined") {
   offset += curr;
  }
 }
 return ret;
}

function _fd_pwrite(fd, iov, iovcnt, offset, pnum) {
 if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(45, 1, fd, iov, iovcnt, offset, pnum);
 try {
  offset = bigintToI53Checked(offset);
  if (isNaN(offset)) return 61;
  var stream = SYSCALLS.getStreamFromFD(fd);
  var num = doWritev(stream, iov, iovcnt, offset);
  GROWABLE_HEAP_U32()[pnum >>> 2] = num;
  return 0;
 } catch (e) {
  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
  return e.errno;
 }
}

function _fd_read(fd, iov, iovcnt, pnum) {
 if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(46, 1, fd, iov, iovcnt, pnum);
 try {
  var stream = SYSCALLS.getStreamFromFD(fd);
  var num = doReadv(stream, iov, iovcnt);
  GROWABLE_HEAP_U32()[pnum >>> 2] = num;
  return 0;
 } catch (e) {
  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
  return e.errno;
 }
}

function _fd_seek(fd, offset, whence, newOffset) {
 if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(47, 1, fd, offset, whence, newOffset);
 try {
  offset = bigintToI53Checked(offset);
  if (isNaN(offset)) return 61;
  var stream = SYSCALLS.getStreamFromFD(fd);
  FS.llseek(stream, offset, whence);
  tempI64 = [ stream.position >>> 0, (tempDouble = stream.position, +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? (Math.min(+Math.floor(tempDouble / 4294967296), 4294967295) | 0) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0) ], 
  GROWABLE_HEAP_I32()[newOffset >>> 2] = tempI64[0], GROWABLE_HEAP_I32()[newOffset + 4 >>> 2] = tempI64[1];
  if (stream.getdents && offset === 0 && whence === 0) stream.getdents = null;
  return 0;
 } catch (e) {
  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
  return e.errno;
 }
}

function _fd_write(fd, iov, iovcnt, pnum) {
 if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(48, 1, fd, iov, iovcnt, pnum);
 try {
  var stream = SYSCALLS.getStreamFromFD(fd);
  var num = doWritev(stream, iov, iovcnt);
  GROWABLE_HEAP_U32()[pnum >>> 2] = num;
  return 0;
 } catch (e) {
  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
  return e.errno;
 }
}

function _getentropy(buffer, size) {
 if (!_getentropy.randomDevice) {
  _getentropy.randomDevice = getRandomDevice();
 }
 for (var i = 0; i < size; i++) {
  GROWABLE_HEAP_I8()[buffer + i >>> 0] = _getentropy.randomDevice();
 }
 return 0;
}

function _glActiveTexture(x0) {
 GLctx["activeTexture"](x0);
}

function _glAttachShader(program, shader) {
 GLctx.attachShader(GL.programs[program], GL.shaders[shader]);
}

function _glBindBuffer(target, buffer) {
 if (target == 34962) {
  GLctx.currentArrayBufferBinding = buffer;
 } else if (target == 34963) {
  GLctx.currentElementArrayBufferBinding = buffer;
 }
 if (target == 35051) {
  GLctx.currentPixelPackBufferBinding = buffer;
 } else if (target == 35052) {
  GLctx.currentPixelUnpackBufferBinding = buffer;
 }
 GLctx.bindBuffer(target, GL.buffers[buffer]);
}

function _glBindTexture(target, texture) {
 GLctx.bindTexture(target, GL.textures[texture]);
}

function _glBindVertexArray(vao) {
 GLctx["bindVertexArray"](GL.vaos[vao]);
 var ibo = GLctx.getParameter(34965);
 GLctx.currentElementArrayBufferBinding = ibo ? ibo.name | 0 : 0;
}

function _glBlendEquation(x0) {
 GLctx["blendEquation"](x0);
}

function _glBlendEquationSeparate(x0, x1) {
 GLctx["blendEquationSeparate"](x0, x1);
}

function _glBlendFunc(x0, x1) {
 GLctx["blendFunc"](x0, x1);
}

function _glBlendFuncSeparate(x0, x1, x2, x3) {
 GLctx["blendFuncSeparate"](x0, x1, x2, x3);
}

function _glBufferData(target, size, data, usage) {
 if (true) {
  if (data && size) {
   GLctx.bufferData(target, GROWABLE_HEAP_U8(), usage, data, size);
  } else {
   GLctx.bufferData(target, size, usage);
  }
 } else {
  GLctx.bufferData(target, data ? GROWABLE_HEAP_U8().subarray(data >>> 0, data + size >>> 0) : size, usage);
 }
}

function _glClear(x0) {
 GLctx["clear"](x0);
}

function _glClearColor(x0, x1, x2, x3) {
 GLctx["clearColor"](x0, x1, x2, x3);
}

function _glClearDepthf(x0) {
 GLctx["clearDepth"](x0);
}

function _glClearStencil(x0) {
 GLctx["clearStencil"](x0);
}

function _glColorMask(red, green, blue, alpha) {
 GLctx.colorMask(!!red, !!green, !!blue, !!alpha);
}

function _glCompileShader(shader) {
 GLctx.compileShader(GL.shaders[shader]);
}

function _glCopyTexImage2D(x0, x1, x2, x3, x4, x5, x6, x7) {
 GLctx["copyTexImage2D"](x0, x1, x2, x3, x4, x5, x6, x7);
}

function _glCopyTexSubImage2D(x0, x1, x2, x3, x4, x5, x6, x7) {
 GLctx["copyTexSubImage2D"](x0, x1, x2, x3, x4, x5, x6, x7);
}

function _glCreateProgram() {
 var id = GL.getNewId(GL.programs);
 var program = GLctx.createProgram();
 program.name = id;
 program.maxUniformLength = program.maxAttributeLength = program.maxUniformBlockNameLength = 0;
 program.uniformIdCounter = 1;
 GL.programs[id] = program;
 return id;
}

function _glCreateShader(shaderType) {
 var id = GL.getNewId(GL.shaders);
 GL.shaders[id] = GLctx.createShader(shaderType);
 return id;
}

function _glCullFace(x0) {
 GLctx["cullFace"](x0);
}

function _glDeleteShader(id) {
 if (!id) return;
 var shader = GL.shaders[id];
 if (!shader) {
  GL.recordError(1281);
  return;
 }
 GLctx.deleteShader(shader);
 GL.shaders[id] = null;
}

function _glDeleteTextures(n, textures) {
 for (var i = 0; i < n; i++) {
  var id = GROWABLE_HEAP_I32()[textures + i * 4 >>> 2];
  var texture = GL.textures[id];
  if (!texture) continue;
  GLctx.deleteTexture(texture);
  texture.name = 0;
  GL.textures[id] = null;
 }
}

function _glDeleteVertexArrays(n, vaos) {
 for (var i = 0; i < n; i++) {
  var id = GROWABLE_HEAP_I32()[vaos + i * 4 >>> 2];
  GLctx["deleteVertexArray"](GL.vaos[id]);
  GL.vaos[id] = null;
 }
}

function _glDepthFunc(x0) {
 GLctx["depthFunc"](x0);
}

function _glDepthMask(flag) {
 GLctx.depthMask(!!flag);
}

function _glDepthRangef(x0, x1) {
 GLctx["depthRange"](x0, x1);
}

function _glDetachShader(program, shader) {
 GLctx.detachShader(GL.programs[program], GL.shaders[shader]);
}

function _glDisable(x0) {
 GLctx["disable"](x0);
}

function _glDrawArrays(mode, first, count) {
 GL.preDrawHandleClientVertexAttribBindings(first + count);
 GLctx.drawArrays(mode, first, count);
 GL.postDrawHandleClientVertexAttribBindings();
}

function _glEnable(x0) {
 GLctx["enable"](x0);
}

function _glEnableVertexAttribArray(index) {
 var cb = GL.currentContext.clientBuffers[index];
 cb.enabled = true;
 GLctx.enableVertexAttribArray(index);
}

function _glFinish() {
 GLctx["finish"]();
}

function _glFlush() {
 GLctx["flush"]();
}

function _glFrontFace(x0) {
 GLctx["frontFace"](x0);
}

function _glGenBuffers(n, buffers) {
 __glGenObject(n, buffers, "createBuffer", GL.buffers);
}

function _glGenTextures(n, textures) {
 __glGenObject(n, textures, "createTexture", GL.textures);
}

function _glGenVertexArrays(n, arrays) {
 __glGenObject(n, arrays, "createVertexArray", GL.vaos);
}

function _glGetAttribLocation(program, name) {
 return GLctx.getAttribLocation(GL.programs[program], UTF8ToString(name));
}

function _glGetError() {
 var error = GLctx.getError() || GL.lastError;
 GL.lastError = 0;
 return error;
}

function _glGetIntegerv(name_, p) {
 emscriptenWebGLGet(name_, p, 0);
}

function _glGetProgramInfoLog(program, maxLength, length, infoLog) {
 var log = GLctx.getProgramInfoLog(GL.programs[program]);
 if (log === null) log = "(unknown error)";
 var numBytesWrittenExclNull = maxLength > 0 && infoLog ? stringToUTF8(log, infoLog, maxLength) : 0;
 if (length) GROWABLE_HEAP_I32()[length >>> 2] = numBytesWrittenExclNull;
}

function _glGetProgramiv(program, pname, p) {
 if (!p) {
  GL.recordError(1281);
  return;
 }
 if (program >= GL.counter) {
  GL.recordError(1281);
  return;
 }
 program = GL.programs[program];
 if (pname == 35716) {
  var log = GLctx.getProgramInfoLog(program);
  if (log === null) log = "(unknown error)";
  GROWABLE_HEAP_I32()[p >>> 2] = log.length + 1;
 } else if (pname == 35719) {
  if (!program.maxUniformLength) {
   for (var i = 0; i < GLctx.getProgramParameter(program, 35718); ++i) {
    program.maxUniformLength = Math.max(program.maxUniformLength, GLctx.getActiveUniform(program, i).name.length + 1);
   }
  }
  GROWABLE_HEAP_I32()[p >>> 2] = program.maxUniformLength;
 } else if (pname == 35722) {
  if (!program.maxAttributeLength) {
   for (var i = 0; i < GLctx.getProgramParameter(program, 35721); ++i) {
    program.maxAttributeLength = Math.max(program.maxAttributeLength, GLctx.getActiveAttrib(program, i).name.length + 1);
   }
  }
  GROWABLE_HEAP_I32()[p >>> 2] = program.maxAttributeLength;
 } else if (pname == 35381) {
  if (!program.maxUniformBlockNameLength) {
   for (var i = 0; i < GLctx.getProgramParameter(program, 35382); ++i) {
    program.maxUniformBlockNameLength = Math.max(program.maxUniformBlockNameLength, GLctx.getActiveUniformBlockName(program, i).length + 1);
   }
  }
  GROWABLE_HEAP_I32()[p >>> 2] = program.maxUniformBlockNameLength;
 } else {
  GROWABLE_HEAP_I32()[p >>> 2] = GLctx.getProgramParameter(program, pname);
 }
}

function _glGetShaderInfoLog(shader, maxLength, length, infoLog) {
 var log = GLctx.getShaderInfoLog(GL.shaders[shader]);
 if (log === null) log = "(unknown error)";
 var numBytesWrittenExclNull = maxLength > 0 && infoLog ? stringToUTF8(log, infoLog, maxLength) : 0;
 if (length) GROWABLE_HEAP_I32()[length >>> 2] = numBytesWrittenExclNull;
}

function _glGetShaderiv(shader, pname, p) {
 if (!p) {
  GL.recordError(1281);
  return;
 }
 if (pname == 35716) {
  var log = GLctx.getShaderInfoLog(GL.shaders[shader]);
  if (log === null) log = "(unknown error)";
  var logLength = log ? log.length + 1 : 0;
  GROWABLE_HEAP_I32()[p >>> 2] = logLength;
 } else if (pname == 35720) {
  var source = GLctx.getShaderSource(GL.shaders[shader]);
  var sourceLength = source ? source.length + 1 : 0;
  GROWABLE_HEAP_I32()[p >>> 2] = sourceLength;
 } else {
  GROWABLE_HEAP_I32()[p >>> 2] = GLctx.getShaderParameter(GL.shaders[shader], pname);
 }
}

function _glGetString(name_) {
 var ret = GL.stringCache[name_];
 if (!ret) {
  switch (name_) {
  case 7939:
   var exts = GLctx.getSupportedExtensions() || [];
   exts = exts.concat(exts.map(function(e) {
    return "GL_" + e;
   }));
   ret = stringToNewUTF8(exts.join(" "));
   break;

  case 7936:
  case 7937:
  case 37445:
  case 37446:
   var s = GLctx.getParameter(name_);
   if (!s) {
    GL.recordError(1280);
   }
   ret = s && stringToNewUTF8(s);
   break;

  case 7938:
   var glVersion = GLctx.getParameter(7938);
   if (true) glVersion = "OpenGL ES 3.0 (" + glVersion + ")"; else {
    glVersion = "OpenGL ES 2.0 (" + glVersion + ")";
   }
   ret = stringToNewUTF8(glVersion);
   break;

  case 35724:
   var glslVersion = GLctx.getParameter(35724);
   var ver_re = /^WebGL GLSL ES ([0-9]\.[0-9][0-9]?)(?:$| .*)/;
   var ver_num = glslVersion.match(ver_re);
   if (ver_num !== null) {
    if (ver_num[1].length == 3) ver_num[1] = ver_num[1] + "0";
    glslVersion = "OpenGL ES GLSL ES " + ver_num[1] + " (" + glslVersion + ")";
   }
   ret = stringToNewUTF8(glslVersion);
   break;

  default:
   GL.recordError(1280);
  }
  GL.stringCache[name_] = ret;
 }
 return ret;
}

function _glGetUniformLocation(program, name) {
 name = UTF8ToString(name);
 if (program = GL.programs[program]) {
  webglPrepareUniformLocationsBeforeFirstUse(program);
  var uniformLocsById = program.uniformLocsById;
  var arrayIndex = 0;
  var uniformBaseName = name;
  var leftBrace = webglGetLeftBracePos(name);
  if (leftBrace > 0) {
   arrayIndex = jstoi_q(name.slice(leftBrace + 1)) >>> 0;
   uniformBaseName = name.slice(0, leftBrace);
  }
  var sizeAndId = program.uniformSizeAndIdsByName[uniformBaseName];
  if (sizeAndId && arrayIndex < sizeAndId[0]) {
   arrayIndex += sizeAndId[1];
   if (uniformLocsById[arrayIndex] = uniformLocsById[arrayIndex] || GLctx.getUniformLocation(program, name)) {
    return arrayIndex;
   }
  }
 } else {
  GL.recordError(1281);
 }
 return -1;
}

function _glHint(x0, x1) {
 GLctx["hint"](x0, x1);
}

function _glIsEnabled(x0) {
 return GLctx["isEnabled"](x0);
}

function _glLineWidth(x0) {
 GLctx["lineWidth"](x0);
}

function _glLinkProgram(program) {
 program = GL.programs[program];
 GLctx.linkProgram(program);
 program.uniformLocsById = 0;
 program.uniformSizeAndIdsByName = {};
}

function _glPixelStorei(pname, param) {
 if (pname == 3317) {
  GL.unpackAlignment = param;
 }
 GLctx.pixelStorei(pname, param);
}

function _glPolygonOffset(x0, x1) {
 GLctx["polygonOffset"](x0, x1);
}

function _glReadBuffer(x0) {
 GLctx["readBuffer"](x0);
}

function _glReadPixels(x, y, width, height, format, type, pixels) {
 if (true) {
  if (GLctx.currentPixelPackBufferBinding) {
   GLctx.readPixels(x, y, width, height, format, type, pixels);
  } else {
   var heap = heapObjectForWebGLType(type);
   GLctx.readPixels(x, y, width, height, format, type, heap, pixels >> heapAccessShiftForWebGLHeap(heap));
  }
  return;
 }
 var pixelData = emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, format);
 if (!pixelData) {
  GL.recordError(1280);
  return;
 }
 GLctx.readPixels(x, y, width, height, format, type, pixelData);
}

function _glScissor(x0, x1, x2, x3) {
 GLctx["scissor"](x0, x1, x2, x3);
}

function _glShaderBinary() {
 GL.recordError(1280);
}

function _glShaderSource(shader, count, string, length) {
 var source = GL.getSource(shader, count, string, length);
 GLctx.shaderSource(GL.shaders[shader], source);
}

function _glStencilFunc(x0, x1, x2) {
 GLctx["stencilFunc"](x0, x1, x2);
}

function _glStencilMask(x0) {
 GLctx["stencilMask"](x0);
}

function _glStencilOp(x0, x1, x2) {
 GLctx["stencilOp"](x0, x1, x2);
}

function _glTexImage2D(target, level, internalFormat, width, height, border, format, type, pixels) {
 if (true) {
  if (GLctx.currentPixelUnpackBufferBinding) {
   GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, pixels);
  } else if (pixels) {
   var heap = heapObjectForWebGLType(type);
   GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, heap, pixels >> heapAccessShiftForWebGLHeap(heap));
  } else {
   GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, null);
  }
  return;
 }
 GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, pixels ? emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, internalFormat) : null);
}

function _glTexParameterf(x0, x1, x2) {
 GLctx["texParameterf"](x0, x1, x2);
}

function _glTexParameterfv(target, pname, params) {
 var param = GROWABLE_HEAP_F32()[params >>> 2];
 GLctx.texParameterf(target, pname, param);
}

function _glTexParameteri(x0, x1, x2) {
 GLctx["texParameteri"](x0, x1, x2);
}

function _glTexParameteriv(target, pname, params) {
 var param = GROWABLE_HEAP_I32()[params >>> 2];
 GLctx.texParameteri(target, pname, param);
}

function _glTexSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixels) {
 if (true) {
  if (GLctx.currentPixelUnpackBufferBinding) {
   GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixels);
  } else if (pixels) {
   var heap = heapObjectForWebGLType(type);
   GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, heap, pixels >> heapAccessShiftForWebGLHeap(heap));
  } else {
   GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, null);
  }
  return;
 }
 var pixelData = null;
 if (pixels) pixelData = emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, 0);
 GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixelData);
}

function _glUniform1i(location, v0) {
 GLctx.uniform1i(webglGetUniformLocation(location), v0);
}

function _glUniformMatrix4fv(location, count, transpose, value) {
 count && GLctx.uniformMatrix4fv(webglGetUniformLocation(location), !!transpose, GROWABLE_HEAP_F32(), value >> 2, count * 16);
}

function _glUseProgram(program) {
 program = GL.programs[program];
 GLctx.useProgram(program);
 GLctx.currentProgram = program;
}

function _glVertexAttribPointer(index, size, type, normalized, stride, ptr) {
 var cb = GL.currentContext.clientBuffers[index];
 if (!GLctx.currentArrayBufferBinding) {
  cb.size = size;
  cb.type = type;
  cb.normalized = normalized;
  cb.stride = stride;
  cb.ptr = ptr;
  cb.clientside = true;
  cb.vertexAttribPointerAdaptor = function(index, size, type, normalized, stride, ptr) {
   this.vertexAttribPointer(index, size, type, normalized, stride, ptr);
  };
  return;
 }
 cb.clientside = false;
 GLctx.vertexAttribPointer(index, size, type, !!normalized, stride, ptr);
}

function _glViewport(x0, x1, x2, x3) {
 GLctx["viewport"](x0, x1, x2, x3);
}

function _spatialite_cleanup_ex() {
 err("missing function: spatialite_cleanup_ex");
 abort(-1);
}

function _spatialite_init_ex() {
 err("missing function: spatialite_init_ex");
 abort(-1);
}

function __arraySum(array, index) {
 var sum = 0;
 for (var i = 0; i <= index; sum += array[i++]) {}
 return sum;
}

var __MONTH_DAYS_LEAP = [ 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 ];

var __MONTH_DAYS_REGULAR = [ 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 ];

function __addDays(date, days) {
 var newDate = new Date(date.getTime());
 while (days > 0) {
  var leap = __isLeapYear(newDate.getFullYear());
  var currentMonth = newDate.getMonth();
  var daysInCurrentMonth = (leap ? __MONTH_DAYS_LEAP : __MONTH_DAYS_REGULAR)[currentMonth];
  if (days > daysInCurrentMonth - newDate.getDate()) {
   days -= daysInCurrentMonth - newDate.getDate() + 1;
   newDate.setDate(1);
   if (currentMonth < 11) {
    newDate.setMonth(currentMonth + 1);
   } else {
    newDate.setMonth(0);
    newDate.setFullYear(newDate.getFullYear() + 1);
   }
  } else {
   newDate.setDate(newDate.getDate() + days);
   return newDate;
  }
 }
 return newDate;
}

function writeArrayToMemory(array, buffer) {
 GROWABLE_HEAP_I8().set(array, buffer >>> 0);
}

function _strftime(s, maxsize, format, tm) {
 var tm_zone = GROWABLE_HEAP_I32()[tm + 40 >>> 2];
 var date = {
  tm_sec: GROWABLE_HEAP_I32()[tm >>> 2],
  tm_min: GROWABLE_HEAP_I32()[tm + 4 >>> 2],
  tm_hour: GROWABLE_HEAP_I32()[tm + 8 >>> 2],
  tm_mday: GROWABLE_HEAP_I32()[tm + 12 >>> 2],
  tm_mon: GROWABLE_HEAP_I32()[tm + 16 >>> 2],
  tm_year: GROWABLE_HEAP_I32()[tm + 20 >>> 2],
  tm_wday: GROWABLE_HEAP_I32()[tm + 24 >>> 2],
  tm_yday: GROWABLE_HEAP_I32()[tm + 28 >>> 2],
  tm_isdst: GROWABLE_HEAP_I32()[tm + 32 >>> 2],
  tm_gmtoff: GROWABLE_HEAP_I32()[tm + 36 >>> 2],
  tm_zone: tm_zone ? UTF8ToString(tm_zone) : ""
 };
 var pattern = UTF8ToString(format);
 var EXPANSION_RULES_1 = {
  "%c": "%a %b %d %H:%M:%S %Y",
  "%D": "%m/%d/%y",
  "%F": "%Y-%m-%d",
  "%h": "%b",
  "%r": "%I:%M:%S %p",
  "%R": "%H:%M",
  "%T": "%H:%M:%S",
  "%x": "%m/%d/%y",
  "%X": "%H:%M:%S",
  "%Ec": "%c",
  "%EC": "%C",
  "%Ex": "%m/%d/%y",
  "%EX": "%H:%M:%S",
  "%Ey": "%y",
  "%EY": "%Y",
  "%Od": "%d",
  "%Oe": "%e",
  "%OH": "%H",
  "%OI": "%I",
  "%Om": "%m",
  "%OM": "%M",
  "%OS": "%S",
  "%Ou": "%u",
  "%OU": "%U",
  "%OV": "%V",
  "%Ow": "%w",
  "%OW": "%W",
  "%Oy": "%y"
 };
 for (var rule in EXPANSION_RULES_1) {
  pattern = pattern.replace(new RegExp(rule, "g"), EXPANSION_RULES_1[rule]);
 }
 var WEEKDAYS = [ "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" ];
 var MONTHS = [ "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" ];
 function leadingSomething(value, digits, character) {
  var str = typeof value == "number" ? value.toString() : value || "";
  while (str.length < digits) {
   str = character[0] + str;
  }
  return str;
 }
 function leadingNulls(value, digits) {
  return leadingSomething(value, digits, "0");
 }
 function compareByDay(date1, date2) {
  function sgn(value) {
   return value < 0 ? -1 : value > 0 ? 1 : 0;
  }
  var compare;
  if ((compare = sgn(date1.getFullYear() - date2.getFullYear())) === 0) {
   if ((compare = sgn(date1.getMonth() - date2.getMonth())) === 0) {
    compare = sgn(date1.getDate() - date2.getDate());
   }
  }
  return compare;
 }
 function getFirstWeekStartDate(janFourth) {
  switch (janFourth.getDay()) {
  case 0:
   return new Date(janFourth.getFullYear() - 1, 11, 29);

  case 1:
   return janFourth;

  case 2:
   return new Date(janFourth.getFullYear(), 0, 3);

  case 3:
   return new Date(janFourth.getFullYear(), 0, 2);

  case 4:
   return new Date(janFourth.getFullYear(), 0, 1);

  case 5:
   return new Date(janFourth.getFullYear() - 1, 11, 31);

  case 6:
   return new Date(janFourth.getFullYear() - 1, 11, 30);
  }
 }
 function getWeekBasedYear(date) {
  var thisDate = __addDays(new Date(date.tm_year + 1900, 0, 1), date.tm_yday);
  var janFourthThisYear = new Date(thisDate.getFullYear(), 0, 4);
  var janFourthNextYear = new Date(thisDate.getFullYear() + 1, 0, 4);
  var firstWeekStartThisYear = getFirstWeekStartDate(janFourthThisYear);
  var firstWeekStartNextYear = getFirstWeekStartDate(janFourthNextYear);
  if (compareByDay(firstWeekStartThisYear, thisDate) <= 0) {
   if (compareByDay(firstWeekStartNextYear, thisDate) <= 0) {
    return thisDate.getFullYear() + 1;
   }
   return thisDate.getFullYear();
  }
  return thisDate.getFullYear() - 1;
 }
 var EXPANSION_RULES_2 = {
  "%a": function(date) {
   return WEEKDAYS[date.tm_wday].substring(0, 3);
  },
  "%A": function(date) {
   return WEEKDAYS[date.tm_wday];
  },
  "%b": function(date) {
   return MONTHS[date.tm_mon].substring(0, 3);
  },
  "%B": function(date) {
   return MONTHS[date.tm_mon];
  },
  "%C": function(date) {
   var year = date.tm_year + 1900;
   return leadingNulls(year / 100 | 0, 2);
  },
  "%d": function(date) {
   return leadingNulls(date.tm_mday, 2);
  },
  "%e": function(date) {
   return leadingSomething(date.tm_mday, 2, " ");
  },
  "%g": function(date) {
   return getWeekBasedYear(date).toString().substring(2);
  },
  "%G": function(date) {
   return getWeekBasedYear(date);
  },
  "%H": function(date) {
   return leadingNulls(date.tm_hour, 2);
  },
  "%I": function(date) {
   var twelveHour = date.tm_hour;
   if (twelveHour == 0) twelveHour = 12; else if (twelveHour > 12) twelveHour -= 12;
   return leadingNulls(twelveHour, 2);
  },
  "%j": function(date) {
   return leadingNulls(date.tm_mday + __arraySum(__isLeapYear(date.tm_year + 1900) ? __MONTH_DAYS_LEAP : __MONTH_DAYS_REGULAR, date.tm_mon - 1), 3);
  },
  "%m": function(date) {
   return leadingNulls(date.tm_mon + 1, 2);
  },
  "%M": function(date) {
   return leadingNulls(date.tm_min, 2);
  },
  "%n": function() {
   return "\n";
  },
  "%p": function(date) {
   if (date.tm_hour >= 0 && date.tm_hour < 12) {
    return "AM";
   }
   return "PM";
  },
  "%S": function(date) {
   return leadingNulls(date.tm_sec, 2);
  },
  "%t": function() {
   return "\t";
  },
  "%u": function(date) {
   return date.tm_wday || 7;
  },
  "%U": function(date) {
   var days = date.tm_yday + 7 - date.tm_wday;
   return leadingNulls(Math.floor(days / 7), 2);
  },
  "%V": function(date) {
   var val = Math.floor((date.tm_yday + 7 - (date.tm_wday + 6) % 7) / 7);
   if ((date.tm_wday + 371 - date.tm_yday - 2) % 7 <= 2) {
    val++;
   }
   if (!val) {
    val = 52;
    var dec31 = (date.tm_wday + 7 - date.tm_yday - 1) % 7;
    if (dec31 == 4 || dec31 == 5 && __isLeapYear(date.tm_year % 400 - 1)) {
     val++;
    }
   } else if (val == 53) {
    var jan1 = (date.tm_wday + 371 - date.tm_yday) % 7;
    if (jan1 != 4 && (jan1 != 3 || !__isLeapYear(date.tm_year))) val = 1;
   }
   return leadingNulls(val, 2);
  },
  "%w": function(date) {
   return date.tm_wday;
  },
  "%W": function(date) {
   var days = date.tm_yday + 7 - (date.tm_wday + 6) % 7;
   return leadingNulls(Math.floor(days / 7), 2);
  },
  "%y": function(date) {
   return (date.tm_year + 1900).toString().substring(2);
  },
  "%Y": function(date) {
   return date.tm_year + 1900;
  },
  "%z": function(date) {
   var off = date.tm_gmtoff;
   var ahead = off >= 0;
   off = Math.abs(off) / 60;
   off = off / 60 * 100 + off % 60;
   return (ahead ? "+" : "-") + String("0000" + off).slice(-4);
  },
  "%Z": function(date) {
   return date.tm_zone;
  },
  "%%": function() {
   return "%";
  }
 };
 pattern = pattern.replace(/%%/g, "\0\0");
 for (var rule in EXPANSION_RULES_2) {
  if (pattern.includes(rule)) {
   pattern = pattern.replace(new RegExp(rule, "g"), EXPANSION_RULES_2[rule](date));
  }
 }
 pattern = pattern.replace(/\0\0/g, "%");
 var bytes = intArrayFromString(pattern, false);
 if (bytes.length > maxsize) {
  return 0;
 }
 writeArrayToMemory(bytes, s);
 return bytes.length - 1;
}

function _strftime_l(s, maxsize, format, tm, loc) {
 return _strftime(s, maxsize, format, tm);
}

PThread.init();

var FSNode = function(parent, name, mode, rdev) {
 if (!parent) {
  parent = this;
 }
 this.parent = parent;
 this.mount = parent.mount;
 this.mounted = null;
 this.id = FS.nextInode++;
 this.name = name;
 this.mode = mode;
 this.node_ops = {};
 this.stream_ops = {};
 this.rdev = rdev;
};

var readMode = 292 | 73;

var writeMode = 146;

Object.defineProperties(FSNode.prototype, {
 read: {
  get: function() {
   return (this.mode & readMode) === readMode;
  },
  set: function(val) {
   val ? this.mode |= readMode : this.mode &= ~readMode;
  }
 },
 write: {
  get: function() {
   return (this.mode & writeMode) === writeMode;
  },
  set: function(val) {
   val ? this.mode |= writeMode : this.mode &= ~writeMode;
  }
 },
 isFolder: {
  get: function() {
   return FS.isDir(this.mode);
  }
 },
 isDevice: {
  get: function() {
   return FS.isChrdev(this.mode);
  }
 }
});

FS.FSNode = FSNode;

FS.staticInit();

Module["FS_createPath"] = FS.createPath;

Module["FS_createDataFile"] = FS.createDataFile;

Module["FS_createPreloadedFile"] = FS.createPreloadedFile;

Module["FS_unlink"] = FS.unlink;

Module["FS_createLazyFile"] = FS.createLazyFile;

Module["FS_createDevice"] = FS.createDevice;

if (ENVIRONMENT_IS_NODE) {
 NODEFS.staticInit();
}

ERRNO_CODES = {
 "EPERM": 63,
 "ENOENT": 44,
 "ESRCH": 71,
 "EINTR": 27,
 "EIO": 29,
 "ENXIO": 60,
 "E2BIG": 1,
 "ENOEXEC": 45,
 "EBADF": 8,
 "ECHILD": 12,
 "EAGAIN": 6,
 "EWOULDBLOCK": 6,
 "ENOMEM": 48,
 "EACCES": 2,
 "EFAULT": 21,
 "ENOTBLK": 105,
 "EBUSY": 10,
 "EEXIST": 20,
 "EXDEV": 75,
 "ENODEV": 43,
 "ENOTDIR": 54,
 "EISDIR": 31,
 "EINVAL": 28,
 "ENFILE": 41,
 "EMFILE": 33,
 "ENOTTY": 59,
 "ETXTBSY": 74,
 "EFBIG": 22,
 "ENOSPC": 51,
 "ESPIPE": 70,
 "EROFS": 69,
 "EMLINK": 34,
 "EPIPE": 64,
 "EDOM": 18,
 "ERANGE": 68,
 "ENOMSG": 49,
 "EIDRM": 24,
 "ECHRNG": 106,
 "EL2NSYNC": 156,
 "EL3HLT": 107,
 "EL3RST": 108,
 "ELNRNG": 109,
 "EUNATCH": 110,
 "ENOCSI": 111,
 "EL2HLT": 112,
 "EDEADLK": 16,
 "ENOLCK": 46,
 "EBADE": 113,
 "EBADR": 114,
 "EXFULL": 115,
 "ENOANO": 104,
 "EBADRQC": 103,
 "EBADSLT": 102,
 "EDEADLOCK": 16,
 "EBFONT": 101,
 "ENOSTR": 100,
 "ENODATA": 116,
 "ETIME": 117,
 "ENOSR": 118,
 "ENONET": 119,
 "ENOPKG": 120,
 "EREMOTE": 121,
 "ENOLINK": 47,
 "EADV": 122,
 "ESRMNT": 123,
 "ECOMM": 124,
 "EPROTO": 65,
 "EMULTIHOP": 36,
 "EDOTDOT": 125,
 "EBADMSG": 9,
 "ENOTUNIQ": 126,
 "EBADFD": 127,
 "EREMCHG": 128,
 "ELIBACC": 129,
 "ELIBBAD": 130,
 "ELIBSCN": 131,
 "ELIBMAX": 132,
 "ELIBEXEC": 133,
 "ENOSYS": 52,
 "ENOTEMPTY": 55,
 "ENAMETOOLONG": 37,
 "ELOOP": 32,
 "EOPNOTSUPP": 138,
 "EPFNOSUPPORT": 139,
 "ECONNRESET": 15,
 "ENOBUFS": 42,
 "EAFNOSUPPORT": 5,
 "EPROTOTYPE": 67,
 "ENOTSOCK": 57,
 "ENOPROTOOPT": 50,
 "ESHUTDOWN": 140,
 "ECONNREFUSED": 14,
 "EADDRINUSE": 3,
 "ECONNABORTED": 13,
 "ENETUNREACH": 40,
 "ENETDOWN": 38,
 "ETIMEDOUT": 73,
 "EHOSTDOWN": 142,
 "EHOSTUNREACH": 23,
 "EINPROGRESS": 26,
 "EALREADY": 7,
 "EDESTADDRREQ": 17,
 "EMSGSIZE": 35,
 "EPROTONOSUPPORT": 66,
 "ESOCKTNOSUPPORT": 137,
 "EADDRNOTAVAIL": 4,
 "ENETRESET": 39,
 "EISCONN": 30,
 "ENOTCONN": 53,
 "ETOOMANYREFS": 141,
 "EUSERS": 136,
 "EDQUOT": 19,
 "ESTALE": 72,
 "ENOTSUP": 138,
 "ENOMEDIUM": 148,
 "EILSEQ": 25,
 "EOVERFLOW": 61,
 "ECANCELED": 11,
 "ENOTRECOVERABLE": 56,
 "EOWNERDEAD": 62,
 "ESTRPIPE": 135
};

InternalError = Module["InternalError"] = extendError(Error, "InternalError");

embind_init_charCodes();

BindingError = Module["BindingError"] = extendError(Error, "BindingError");

init_ClassHandle();

init_embind();

init_RegisteredPointer();

UnboundTypeError = Module["UnboundTypeError"] = extendError(Error, "UnboundTypeError");

init_emval();

var GLctx;

for (var i = 0; i < 32; ++i) tempFixedLengthArray.push(new Array(i));

Module["requestFullscreen"] = function Module_requestFullscreen(lockPointer, resizeCanvas) {
 Browser.requestFullscreen(lockPointer, resizeCanvas);
};

Module["requestAnimationFrame"] = function Module_requestAnimationFrame(func) {
 Browser.requestAnimationFrame(func);
};

Module["setCanvasSize"] = function Module_setCanvasSize(width, height, noUpdates) {
 Browser.setCanvasSize(width, height, noUpdates);
};

Module["pauseMainLoop"] = function Module_pauseMainLoop() {
 Browser.mainLoop.pause();
};

Module["resumeMainLoop"] = function Module_resumeMainLoop() {
 Browser.mainLoop.resume();
};

Module["getUserMedia"] = function Module_getUserMedia() {
 Browser.getUserMedia();
};

Module["createContext"] = function Module_createContext(canvas, useWebGL, setInModule, webGLContextAttributes) {
 return Browser.createContext(canvas, useWebGL, setInModule, webGLContextAttributes);
};

var preloadedImages = {};

var preloadedAudios = {};

if (!ENVIRONMENT_IS_PTHREAD) Fetch.staticInit();

var proxiedFunctionTable = [ null, _proc_exit, exitOnMainThread, pthreadCreateProxied, ___syscall_chmod, ___syscall_dup3, ___syscall_faccessat, ___syscall_fchmod, ___syscall_fchown32, ___syscall_fcntl64, ___syscall_fdatasync, ___syscall_fstat64, ___syscall_ftruncate64, ___syscall_getcwd, ___syscall_getdents64, ___syscall_ioctl, ___syscall_lstat64, ___syscall_mkdirat, ___syscall_newfstatat, ___syscall_openat, ___syscall_pipe, ___syscall_readlinkat, ___syscall_renameat, ___syscall_rmdir, ___syscall_stat64, ___syscall_statfs64, ___syscall_unlinkat, ___syscall_utimensat, _emscripten_set_canvas_element_size_main_thread, __mmap_js, __munmap_js, _emscripten_enter_soft_fullscreen, _emscripten_get_canvas_element_size_main_thread, _emscripten_get_device_pixel_ratio, _emscripten_get_element_css_size, _emscripten_set_click_callback_on_thread, _emscripten_set_mousedown_callback_on_thread, _emscripten_set_mousemove_callback_on_thread, _emscripten_set_mouseup_callback_on_thread, _emscripten_set_wheel_callback_on_thread, _environ_get, _environ_sizes_get, _fd_close, _fd_fdstat_get, _fd_pread, _fd_pwrite, _fd_read, _fd_seek, _fd_write ];

var decodeBase64 = typeof atob == "function" ? atob : function(input) {
 var keyStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
 var output = "";
 var chr1, chr2, chr3;
 var enc1, enc2, enc3, enc4;
 var i = 0;
 input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");
 do {
  enc1 = keyStr.indexOf(input.charAt(i++));
  enc2 = keyStr.indexOf(input.charAt(i++));
  enc3 = keyStr.indexOf(input.charAt(i++));
  enc4 = keyStr.indexOf(input.charAt(i++));
  chr1 = enc1 << 2 | enc2 >> 4;
  chr2 = (enc2 & 15) << 4 | enc3 >> 2;
  chr3 = (enc3 & 3) << 6 | enc4;
  output = output + String.fromCharCode(chr1);
  if (enc3 !== 64) {
   output = output + String.fromCharCode(chr2);
  }
  if (enc4 !== 64) {
   output = output + String.fromCharCode(chr3);
  }
 } while (i < input.length);
 return output;
};

function intArrayFromBase64(s) {
 if (typeof ENVIRONMENT_IS_NODE == "boolean" && ENVIRONMENT_IS_NODE) {
  var buf = Buffer.from(s, "base64");
  return new Uint8Array(buf["buffer"], buf["byteOffset"], buf["byteLength"]);
 }
 try {
  var decoded = decodeBase64(s);
  var bytes = new Uint8Array(decoded.length);
  for (var i = 0; i < decoded.length; ++i) {
   bytes[i] = decoded.charCodeAt(i);
  }
  return bytes;
 } catch (_) {
  throw new Error("Converting base64 string to bytes failed.");
 }
}

function tryParseAsDataURI(filename) {
 if (!isDataURI(filename)) {
  return;
 }
 return intArrayFromBase64(filename.slice(dataURIPrefix.length));
}

var wasmImports = {
 "__assert_fail": ___assert_fail,
 "__emscripten_init_main_thread_js": ___emscripten_init_main_thread_js,
 "__emscripten_thread_cleanup": ___emscripten_thread_cleanup,
 "__pthread_create_js": ___pthread_create_js,
 "__pthread_kill_js": ___pthread_kill_js,
 "__syscall_chmod": ___syscall_chmod,
 "__syscall_dup3": ___syscall_dup3,
 "__syscall_faccessat": ___syscall_faccessat,
 "__syscall_fchmod": ___syscall_fchmod,
 "__syscall_fchown32": ___syscall_fchown32,
 "__syscall_fcntl64": ___syscall_fcntl64,
 "__syscall_fdatasync": ___syscall_fdatasync,
 "__syscall_fstat64": ___syscall_fstat64,
 "__syscall_ftruncate64": ___syscall_ftruncate64,
 "__syscall_getcwd": ___syscall_getcwd,
 "__syscall_getdents64": ___syscall_getdents64,
 "__syscall_ioctl": ___syscall_ioctl,
 "__syscall_lstat64": ___syscall_lstat64,
 "__syscall_mkdirat": ___syscall_mkdirat,
 "__syscall_newfstatat": ___syscall_newfstatat,
 "__syscall_openat": ___syscall_openat,
 "__syscall_pipe": ___syscall_pipe,
 "__syscall_readlinkat": ___syscall_readlinkat,
 "__syscall_renameat": ___syscall_renameat,
 "__syscall_rmdir": ___syscall_rmdir,
 "__syscall_stat64": ___syscall_stat64,
 "__syscall_statfs64": ___syscall_statfs64,
 "__syscall_unlinkat": ___syscall_unlinkat,
 "__syscall_utimensat": ___syscall_utimensat,
 "_dlinit": __dlinit,
 "_dlopen_js": __dlopen_js,
 "_dlsym_catchup_js": __dlsym_catchup_js,
 "_dlsym_js": __dlsym_js,
 "_embind_finalize_value_object": __embind_finalize_value_object,
 "_embind_register_bigint": __embind_register_bigint,
 "_embind_register_bool": __embind_register_bool,
 "_embind_register_class": __embind_register_class,
 "_embind_register_class_constructor": __embind_register_class_constructor,
 "_embind_register_class_function": __embind_register_class_function,
 "_embind_register_emval": __embind_register_emval,
 "_embind_register_float": __embind_register_float,
 "_embind_register_function": __embind_register_function,
 "_embind_register_integer": __embind_register_integer,
 "_embind_register_memory_view": __embind_register_memory_view,
 "_embind_register_std_string": __embind_register_std_string,
 "_embind_register_std_wstring": __embind_register_std_wstring,
 "_embind_register_value_object": __embind_register_value_object,
 "_embind_register_value_object_field": __embind_register_value_object_field,
 "_embind_register_void": __embind_register_void,
 "_emscripten_default_pthread_stack_size": __emscripten_default_pthread_stack_size,
 "_emscripten_err": __emscripten_err,
 "_emscripten_fetch_free": __emscripten_fetch_free,
 "_emscripten_get_now_is_monotonic": __emscripten_get_now_is_monotonic,
 "_emscripten_notify_task_queue": __emscripten_notify_task_queue,
 "_emscripten_set_offscreencanvas_size": __emscripten_set_offscreencanvas_size,
 "_emval_call": __emval_call,
 "_emval_decref": __emval_decref,
 "_emval_incref": __emval_incref,
 "_emval_take_value": __emval_take_value,
 "_gmtime_js": __gmtime_js,
 "_localtime_js": __localtime_js,
 "_mktime_js": __mktime_js,
 "_mmap_js": __mmap_js,
 "_munmap_js": __munmap_js,
 "_tzset_js": __tzset_js,
 "abort": _abort,
 "emscripten_asm_const_int": _emscripten_asm_const_int,
 "emscripten_check_blocking_allowed": _emscripten_check_blocking_allowed,
 "emscripten_date_now": _emscripten_date_now,
 "emscripten_enter_soft_fullscreen": _emscripten_enter_soft_fullscreen,
 "emscripten_get_device_pixel_ratio": _emscripten_get_device_pixel_ratio,
 "emscripten_get_element_css_size": _emscripten_get_element_css_size,
 "emscripten_get_heap_max": _emscripten_get_heap_max,
 "emscripten_get_now": _emscripten_get_now,
 "emscripten_glActiveTexture": _emscripten_glActiveTexture,
 "emscripten_glAttachShader": _emscripten_glAttachShader,
 "emscripten_glBeginQuery": _emscripten_glBeginQuery,
 "emscripten_glBeginQueryEXT": _emscripten_glBeginQueryEXT,
 "emscripten_glBeginTransformFeedback": _emscripten_glBeginTransformFeedback,
 "emscripten_glBindAttribLocation": _emscripten_glBindAttribLocation,
 "emscripten_glBindBuffer": _emscripten_glBindBuffer,
 "emscripten_glBindBufferBase": _emscripten_glBindBufferBase,
 "emscripten_glBindBufferRange": _emscripten_glBindBufferRange,
 "emscripten_glBindFramebuffer": _emscripten_glBindFramebuffer,
 "emscripten_glBindRenderbuffer": _emscripten_glBindRenderbuffer,
 "emscripten_glBindSampler": _emscripten_glBindSampler,
 "emscripten_glBindTexture": _emscripten_glBindTexture,
 "emscripten_glBindTransformFeedback": _emscripten_glBindTransformFeedback,
 "emscripten_glBindVertexArray": _emscripten_glBindVertexArray,
 "emscripten_glBindVertexArrayOES": _emscripten_glBindVertexArrayOES,
 "emscripten_glBlendColor": _emscripten_glBlendColor,
 "emscripten_glBlendEquation": _emscripten_glBlendEquation,
 "emscripten_glBlendEquationSeparate": _emscripten_glBlendEquationSeparate,
 "emscripten_glBlendFunc": _emscripten_glBlendFunc,
 "emscripten_glBlendFuncSeparate": _emscripten_glBlendFuncSeparate,
 "emscripten_glBlitFramebuffer": _emscripten_glBlitFramebuffer,
 "emscripten_glBufferData": _emscripten_glBufferData,
 "emscripten_glBufferSubData": _emscripten_glBufferSubData,
 "emscripten_glCheckFramebufferStatus": _emscripten_glCheckFramebufferStatus,
 "emscripten_glClear": _emscripten_glClear,
 "emscripten_glClearBufferfi": _emscripten_glClearBufferfi,
 "emscripten_glClearBufferfv": _emscripten_glClearBufferfv,
 "emscripten_glClearBufferiv": _emscripten_glClearBufferiv,
 "emscripten_glClearBufferuiv": _emscripten_glClearBufferuiv,
 "emscripten_glClearColor": _emscripten_glClearColor,
 "emscripten_glClearDepthf": _emscripten_glClearDepthf,
 "emscripten_glClearStencil": _emscripten_glClearStencil,
 "emscripten_glClientWaitSync": _emscripten_glClientWaitSync,
 "emscripten_glColorMask": _emscripten_glColorMask,
 "emscripten_glCompileShader": _emscripten_glCompileShader,
 "emscripten_glCompressedTexImage2D": _emscripten_glCompressedTexImage2D,
 "emscripten_glCompressedTexImage3D": _emscripten_glCompressedTexImage3D,
 "emscripten_glCompressedTexSubImage2D": _emscripten_glCompressedTexSubImage2D,
 "emscripten_glCompressedTexSubImage3D": _emscripten_glCompressedTexSubImage3D,
 "emscripten_glCopyBufferSubData": _emscripten_glCopyBufferSubData,
 "emscripten_glCopyTexImage2D": _emscripten_glCopyTexImage2D,
 "emscripten_glCopyTexSubImage2D": _emscripten_glCopyTexSubImage2D,
 "emscripten_glCopyTexSubImage3D": _emscripten_glCopyTexSubImage3D,
 "emscripten_glCreateProgram": _emscripten_glCreateProgram,
 "emscripten_glCreateShader": _emscripten_glCreateShader,
 "emscripten_glCullFace": _emscripten_glCullFace,
 "emscripten_glDeleteBuffers": _emscripten_glDeleteBuffers,
 "emscripten_glDeleteFramebuffers": _emscripten_glDeleteFramebuffers,
 "emscripten_glDeleteProgram": _emscripten_glDeleteProgram,
 "emscripten_glDeleteQueries": _emscripten_glDeleteQueries,
 "emscripten_glDeleteQueriesEXT": _emscripten_glDeleteQueriesEXT,
 "emscripten_glDeleteRenderbuffers": _emscripten_glDeleteRenderbuffers,
 "emscripten_glDeleteSamplers": _emscripten_glDeleteSamplers,
 "emscripten_glDeleteShader": _emscripten_glDeleteShader,
 "emscripten_glDeleteSync": _emscripten_glDeleteSync,
 "emscripten_glDeleteTextures": _emscripten_glDeleteTextures,
 "emscripten_glDeleteTransformFeedbacks": _emscripten_glDeleteTransformFeedbacks,
 "emscripten_glDeleteVertexArrays": _emscripten_glDeleteVertexArrays,
 "emscripten_glDeleteVertexArraysOES": _emscripten_glDeleteVertexArraysOES,
 "emscripten_glDepthFunc": _emscripten_glDepthFunc,
 "emscripten_glDepthMask": _emscripten_glDepthMask,
 "emscripten_glDepthRangef": _emscripten_glDepthRangef,
 "emscripten_glDetachShader": _emscripten_glDetachShader,
 "emscripten_glDisable": _emscripten_glDisable,
 "emscripten_glDisableVertexAttribArray": _emscripten_glDisableVertexAttribArray,
 "emscripten_glDrawArrays": _emscripten_glDrawArrays,
 "emscripten_glDrawArraysInstanced": _emscripten_glDrawArraysInstanced,
 "emscripten_glDrawArraysInstancedANGLE": _emscripten_glDrawArraysInstancedANGLE,
 "emscripten_glDrawArraysInstancedARB": _emscripten_glDrawArraysInstancedARB,
 "emscripten_glDrawArraysInstancedEXT": _emscripten_glDrawArraysInstancedEXT,
 "emscripten_glDrawArraysInstancedNV": _emscripten_glDrawArraysInstancedNV,
 "emscripten_glDrawBuffers": _emscripten_glDrawBuffers,
 "emscripten_glDrawBuffersEXT": _emscripten_glDrawBuffersEXT,
 "emscripten_glDrawBuffersWEBGL": _emscripten_glDrawBuffersWEBGL,
 "emscripten_glDrawElements": _emscripten_glDrawElements,
 "emscripten_glDrawElementsInstanced": _emscripten_glDrawElementsInstanced,
 "emscripten_glDrawElementsInstancedANGLE": _emscripten_glDrawElementsInstancedANGLE,
 "emscripten_glDrawElementsInstancedARB": _emscripten_glDrawElementsInstancedARB,
 "emscripten_glDrawElementsInstancedEXT": _emscripten_glDrawElementsInstancedEXT,
 "emscripten_glDrawElementsInstancedNV": _emscripten_glDrawElementsInstancedNV,
 "emscripten_glDrawRangeElements": _emscripten_glDrawRangeElements,
 "emscripten_glEnable": _emscripten_glEnable,
 "emscripten_glEnableVertexAttribArray": _emscripten_glEnableVertexAttribArray,
 "emscripten_glEndQuery": _emscripten_glEndQuery,
 "emscripten_glEndQueryEXT": _emscripten_glEndQueryEXT,
 "emscripten_glEndTransformFeedback": _emscripten_glEndTransformFeedback,
 "emscripten_glFenceSync": _emscripten_glFenceSync,
 "emscripten_glFinish": _emscripten_glFinish,
 "emscripten_glFlush": _emscripten_glFlush,
 "emscripten_glFlushMappedBufferRange": _emscripten_glFlushMappedBufferRange,
 "emscripten_glFramebufferRenderbuffer": _emscripten_glFramebufferRenderbuffer,
 "emscripten_glFramebufferTexture2D": _emscripten_glFramebufferTexture2D,
 "emscripten_glFramebufferTextureLayer": _emscripten_glFramebufferTextureLayer,
 "emscripten_glFrontFace": _emscripten_glFrontFace,
 "emscripten_glGenBuffers": _emscripten_glGenBuffers,
 "emscripten_glGenFramebuffers": _emscripten_glGenFramebuffers,
 "emscripten_glGenQueries": _emscripten_glGenQueries,
 "emscripten_glGenQueriesEXT": _emscripten_glGenQueriesEXT,
 "emscripten_glGenRenderbuffers": _emscripten_glGenRenderbuffers,
 "emscripten_glGenSamplers": _emscripten_glGenSamplers,
 "emscripten_glGenTextures": _emscripten_glGenTextures,
 "emscripten_glGenTransformFeedbacks": _emscripten_glGenTransformFeedbacks,
 "emscripten_glGenVertexArrays": _emscripten_glGenVertexArrays,
 "emscripten_glGenVertexArraysOES": _emscripten_glGenVertexArraysOES,
 "emscripten_glGenerateMipmap": _emscripten_glGenerateMipmap,
 "emscripten_glGetActiveAttrib": _emscripten_glGetActiveAttrib,
 "emscripten_glGetActiveUniform": _emscripten_glGetActiveUniform,
 "emscripten_glGetActiveUniformBlockName": _emscripten_glGetActiveUniformBlockName,
 "emscripten_glGetActiveUniformBlockiv": _emscripten_glGetActiveUniformBlockiv,
 "emscripten_glGetActiveUniformsiv": _emscripten_glGetActiveUniformsiv,
 "emscripten_glGetAttachedShaders": _emscripten_glGetAttachedShaders,
 "emscripten_glGetAttribLocation": _emscripten_glGetAttribLocation,
 "emscripten_glGetBooleanv": _emscripten_glGetBooleanv,
 "emscripten_glGetBufferParameteri64v": _emscripten_glGetBufferParameteri64v,
 "emscripten_glGetBufferParameteriv": _emscripten_glGetBufferParameteriv,
 "emscripten_glGetBufferPointerv": _emscripten_glGetBufferPointerv,
 "emscripten_glGetError": _emscripten_glGetError,
 "emscripten_glGetFloatv": _emscripten_glGetFloatv,
 "emscripten_glGetFragDataLocation": _emscripten_glGetFragDataLocation,
 "emscripten_glGetFramebufferAttachmentParameteriv": _emscripten_glGetFramebufferAttachmentParameteriv,
 "emscripten_glGetInteger64i_v": _emscripten_glGetInteger64i_v,
 "emscripten_glGetInteger64v": _emscripten_glGetInteger64v,
 "emscripten_glGetIntegeri_v": _emscripten_glGetIntegeri_v,
 "emscripten_glGetIntegerv": _emscripten_glGetIntegerv,
 "emscripten_glGetInternalformativ": _emscripten_glGetInternalformativ,
 "emscripten_glGetProgramBinary": _emscripten_glGetProgramBinary,
 "emscripten_glGetProgramInfoLog": _emscripten_glGetProgramInfoLog,
 "emscripten_glGetProgramiv": _emscripten_glGetProgramiv,
 "emscripten_glGetQueryObjecti64vEXT": _emscripten_glGetQueryObjecti64vEXT,
 "emscripten_glGetQueryObjectivEXT": _emscripten_glGetQueryObjectivEXT,
 "emscripten_glGetQueryObjectui64vEXT": _emscripten_glGetQueryObjectui64vEXT,
 "emscripten_glGetQueryObjectuiv": _emscripten_glGetQueryObjectuiv,
 "emscripten_glGetQueryObjectuivEXT": _emscripten_glGetQueryObjectuivEXT,
 "emscripten_glGetQueryiv": _emscripten_glGetQueryiv,
 "emscripten_glGetQueryivEXT": _emscripten_glGetQueryivEXT,
 "emscripten_glGetRenderbufferParameteriv": _emscripten_glGetRenderbufferParameteriv,
 "emscripten_glGetSamplerParameterfv": _emscripten_glGetSamplerParameterfv,
 "emscripten_glGetSamplerParameteriv": _emscripten_glGetSamplerParameteriv,
 "emscripten_glGetShaderInfoLog": _emscripten_glGetShaderInfoLog,
 "emscripten_glGetShaderPrecisionFormat": _emscripten_glGetShaderPrecisionFormat,
 "emscripten_glGetShaderSource": _emscripten_glGetShaderSource,
 "emscripten_glGetShaderiv": _emscripten_glGetShaderiv,
 "emscripten_glGetString": _emscripten_glGetString,
 "emscripten_glGetStringi": _emscripten_glGetStringi,
 "emscripten_glGetSynciv": _emscripten_glGetSynciv,
 "emscripten_glGetTexParameterfv": _emscripten_glGetTexParameterfv,
 "emscripten_glGetTexParameteriv": _emscripten_glGetTexParameteriv,
 "emscripten_glGetTransformFeedbackVarying": _emscripten_glGetTransformFeedbackVarying,
 "emscripten_glGetUniformBlockIndex": _emscripten_glGetUniformBlockIndex,
 "emscripten_glGetUniformIndices": _emscripten_glGetUniformIndices,
 "emscripten_glGetUniformLocation": _emscripten_glGetUniformLocation,
 "emscripten_glGetUniformfv": _emscripten_glGetUniformfv,
 "emscripten_glGetUniformiv": _emscripten_glGetUniformiv,
 "emscripten_glGetUniformuiv": _emscripten_glGetUniformuiv,
 "emscripten_glGetVertexAttribIiv": _emscripten_glGetVertexAttribIiv,
 "emscripten_glGetVertexAttribIuiv": _emscripten_glGetVertexAttribIuiv,
 "emscripten_glGetVertexAttribPointerv": _emscripten_glGetVertexAttribPointerv,
 "emscripten_glGetVertexAttribfv": _emscripten_glGetVertexAttribfv,
 "emscripten_glGetVertexAttribiv": _emscripten_glGetVertexAttribiv,
 "emscripten_glHint": _emscripten_glHint,
 "emscripten_glInvalidateFramebuffer": _emscripten_glInvalidateFramebuffer,
 "emscripten_glInvalidateSubFramebuffer": _emscripten_glInvalidateSubFramebuffer,
 "emscripten_glIsBuffer": _emscripten_glIsBuffer,
 "emscripten_glIsEnabled": _emscripten_glIsEnabled,
 "emscripten_glIsFramebuffer": _emscripten_glIsFramebuffer,
 "emscripten_glIsProgram": _emscripten_glIsProgram,
 "emscripten_glIsQuery": _emscripten_glIsQuery,
 "emscripten_glIsQueryEXT": _emscripten_glIsQueryEXT,
 "emscripten_glIsRenderbuffer": _emscripten_glIsRenderbuffer,
 "emscripten_glIsSampler": _emscripten_glIsSampler,
 "emscripten_glIsShader": _emscripten_glIsShader,
 "emscripten_glIsSync": _emscripten_glIsSync,
 "emscripten_glIsTexture": _emscripten_glIsTexture,
 "emscripten_glIsTransformFeedback": _emscripten_glIsTransformFeedback,
 "emscripten_glIsVertexArray": _emscripten_glIsVertexArray,
 "emscripten_glIsVertexArrayOES": _emscripten_glIsVertexArrayOES,
 "emscripten_glLineWidth": _emscripten_glLineWidth,
 "emscripten_glLinkProgram": _emscripten_glLinkProgram,
 "emscripten_glMapBufferRange": _emscripten_glMapBufferRange,
 "emscripten_glPauseTransformFeedback": _emscripten_glPauseTransformFeedback,
 "emscripten_glPixelStorei": _emscripten_glPixelStorei,
 "emscripten_glPolygonOffset": _emscripten_glPolygonOffset,
 "emscripten_glProgramBinary": _emscripten_glProgramBinary,
 "emscripten_glProgramParameteri": _emscripten_glProgramParameteri,
 "emscripten_glQueryCounterEXT": _emscripten_glQueryCounterEXT,
 "emscripten_glReadBuffer": _emscripten_glReadBuffer,
 "emscripten_glReadPixels": _emscripten_glReadPixels,
 "emscripten_glReleaseShaderCompiler": _emscripten_glReleaseShaderCompiler,
 "emscripten_glRenderbufferStorage": _emscripten_glRenderbufferStorage,
 "emscripten_glRenderbufferStorageMultisample": _emscripten_glRenderbufferStorageMultisample,
 "emscripten_glResumeTransformFeedback": _emscripten_glResumeTransformFeedback,
 "emscripten_glSampleCoverage": _emscripten_glSampleCoverage,
 "emscripten_glSamplerParameterf": _emscripten_glSamplerParameterf,
 "emscripten_glSamplerParameterfv": _emscripten_glSamplerParameterfv,
 "emscripten_glSamplerParameteri": _emscripten_glSamplerParameteri,
 "emscripten_glSamplerParameteriv": _emscripten_glSamplerParameteriv,
 "emscripten_glScissor": _emscripten_glScissor,
 "emscripten_glShaderBinary": _emscripten_glShaderBinary,
 "emscripten_glShaderSource": _emscripten_glShaderSource,
 "emscripten_glStencilFunc": _emscripten_glStencilFunc,
 "emscripten_glStencilFuncSeparate": _emscripten_glStencilFuncSeparate,
 "emscripten_glStencilMask": _emscripten_glStencilMask,
 "emscripten_glStencilMaskSeparate": _emscripten_glStencilMaskSeparate,
 "emscripten_glStencilOp": _emscripten_glStencilOp,
 "emscripten_glStencilOpSeparate": _emscripten_glStencilOpSeparate,
 "emscripten_glTexImage2D": _emscripten_glTexImage2D,
 "emscripten_glTexImage3D": _emscripten_glTexImage3D,
 "emscripten_glTexParameterf": _emscripten_glTexParameterf,
 "emscripten_glTexParameterfv": _emscripten_glTexParameterfv,
 "emscripten_glTexParameteri": _emscripten_glTexParameteri,
 "emscripten_glTexParameteriv": _emscripten_glTexParameteriv,
 "emscripten_glTexStorage2D": _emscripten_glTexStorage2D,
 "emscripten_glTexStorage3D": _emscripten_glTexStorage3D,
 "emscripten_glTexSubImage2D": _emscripten_glTexSubImage2D,
 "emscripten_glTexSubImage3D": _emscripten_glTexSubImage3D,
 "emscripten_glTransformFeedbackVaryings": _emscripten_glTransformFeedbackVaryings,
 "emscripten_glUniform1f": _emscripten_glUniform1f,
 "emscripten_glUniform1fv": _emscripten_glUniform1fv,
 "emscripten_glUniform1i": _emscripten_glUniform1i,
 "emscripten_glUniform1iv": _emscripten_glUniform1iv,
 "emscripten_glUniform1ui": _emscripten_glUniform1ui,
 "emscripten_glUniform1uiv": _emscripten_glUniform1uiv,
 "emscripten_glUniform2f": _emscripten_glUniform2f,
 "emscripten_glUniform2fv": _emscripten_glUniform2fv,
 "emscripten_glUniform2i": _emscripten_glUniform2i,
 "emscripten_glUniform2iv": _emscripten_glUniform2iv,
 "emscripten_glUniform2ui": _emscripten_glUniform2ui,
 "emscripten_glUniform2uiv": _emscripten_glUniform2uiv,
 "emscripten_glUniform3f": _emscripten_glUniform3f,
 "emscripten_glUniform3fv": _emscripten_glUniform3fv,
 "emscripten_glUniform3i": _emscripten_glUniform3i,
 "emscripten_glUniform3iv": _emscripten_glUniform3iv,
 "emscripten_glUniform3ui": _emscripten_glUniform3ui,
 "emscripten_glUniform3uiv": _emscripten_glUniform3uiv,
 "emscripten_glUniform4f": _emscripten_glUniform4f,
 "emscripten_glUniform4fv": _emscripten_glUniform4fv,
 "emscripten_glUniform4i": _emscripten_glUniform4i,
 "emscripten_glUniform4iv": _emscripten_glUniform4iv,
 "emscripten_glUniform4ui": _emscripten_glUniform4ui,
 "emscripten_glUniform4uiv": _emscripten_glUniform4uiv,
 "emscripten_glUniformBlockBinding": _emscripten_glUniformBlockBinding,
 "emscripten_glUniformMatrix2fv": _emscripten_glUniformMatrix2fv,
 "emscripten_glUniformMatrix2x3fv": _emscripten_glUniformMatrix2x3fv,
 "emscripten_glUniformMatrix2x4fv": _emscripten_glUniformMatrix2x4fv,
 "emscripten_glUniformMatrix3fv": _emscripten_glUniformMatrix3fv,
 "emscripten_glUniformMatrix3x2fv": _emscripten_glUniformMatrix3x2fv,
 "emscripten_glUniformMatrix3x4fv": _emscripten_glUniformMatrix3x4fv,
 "emscripten_glUniformMatrix4fv": _emscripten_glUniformMatrix4fv,
 "emscripten_glUniformMatrix4x2fv": _emscripten_glUniformMatrix4x2fv,
 "emscripten_glUniformMatrix4x3fv": _emscripten_glUniformMatrix4x3fv,
 "emscripten_glUnmapBuffer": _emscripten_glUnmapBuffer,
 "emscripten_glUseProgram": _emscripten_glUseProgram,
 "emscripten_glValidateProgram": _emscripten_glValidateProgram,
 "emscripten_glVertexAttrib1f": _emscripten_glVertexAttrib1f,
 "emscripten_glVertexAttrib1fv": _emscripten_glVertexAttrib1fv,
 "emscripten_glVertexAttrib2f": _emscripten_glVertexAttrib2f,
 "emscripten_glVertexAttrib2fv": _emscripten_glVertexAttrib2fv,
 "emscripten_glVertexAttrib3f": _emscripten_glVertexAttrib3f,
 "emscripten_glVertexAttrib3fv": _emscripten_glVertexAttrib3fv,
 "emscripten_glVertexAttrib4f": _emscripten_glVertexAttrib4f,
 "emscripten_glVertexAttrib4fv": _emscripten_glVertexAttrib4fv,
 "emscripten_glVertexAttribDivisor": _emscripten_glVertexAttribDivisor,
 "emscripten_glVertexAttribDivisorANGLE": _emscripten_glVertexAttribDivisorANGLE,
 "emscripten_glVertexAttribDivisorARB": _emscripten_glVertexAttribDivisorARB,
 "emscripten_glVertexAttribDivisorEXT": _emscripten_glVertexAttribDivisorEXT,
 "emscripten_glVertexAttribDivisorNV": _emscripten_glVertexAttribDivisorNV,
 "emscripten_glVertexAttribI4i": _emscripten_glVertexAttribI4i,
 "emscripten_glVertexAttribI4iv": _emscripten_glVertexAttribI4iv,
 "emscripten_glVertexAttribI4ui": _emscripten_glVertexAttribI4ui,
 "emscripten_glVertexAttribI4uiv": _emscripten_glVertexAttribI4uiv,
 "emscripten_glVertexAttribIPointer": _emscripten_glVertexAttribIPointer,
 "emscripten_glVertexAttribPointer": _emscripten_glVertexAttribPointer,
 "emscripten_glViewport": _emscripten_glViewport,
 "emscripten_glWaitSync": _emscripten_glWaitSync,
 "emscripten_memcpy_big": _emscripten_memcpy_big,
 "emscripten_num_logical_cores": _emscripten_num_logical_cores,
 "emscripten_receive_on_main_thread_js": _emscripten_receive_on_main_thread_js,
 "emscripten_resize_heap": _emscripten_resize_heap,
 "emscripten_run_script_string": _emscripten_run_script_string,
 "emscripten_set_canvas_element_size": _emscripten_set_canvas_element_size,
 "emscripten_set_click_callback_on_thread": _emscripten_set_click_callback_on_thread,
 "emscripten_set_main_loop_arg": _emscripten_set_main_loop_arg,
 "emscripten_set_mousedown_callback_on_thread": _emscripten_set_mousedown_callback_on_thread,
 "emscripten_set_mousemove_callback_on_thread": _emscripten_set_mousemove_callback_on_thread,
 "emscripten_set_mouseup_callback_on_thread": _emscripten_set_mouseup_callback_on_thread,
 "emscripten_set_timeout": _emscripten_set_timeout,
 "emscripten_set_wheel_callback_on_thread": _emscripten_set_wheel_callback_on_thread,
 "emscripten_start_fetch": _emscripten_start_fetch,
 "emscripten_unwind_to_js_event_loop": _emscripten_unwind_to_js_event_loop,
 "emscripten_webgl_commit_frame": _emscripten_webgl_commit_frame,
 "emscripten_webgl_create_context": _emscripten_webgl_create_context,
 "emscripten_webgl_init_context_attributes": _emscripten_webgl_init_context_attributes,
 "emscripten_webgl_make_context_current": _emscripten_webgl_make_context_current,
 "environ_get": _environ_get,
 "environ_sizes_get": _environ_sizes_get,
 "exit": _exit,
 "fd_close": _fd_close,
 "fd_fdstat_get": _fd_fdstat_get,
 "fd_pread": _fd_pread,
 "fd_pwrite": _fd_pwrite,
 "fd_read": _fd_read,
 "fd_seek": _fd_seek,
 "fd_write": _fd_write,
 "getentropy": _getentropy,
 "glActiveTexture": _glActiveTexture,
 "glAttachShader": _glAttachShader,
 "glBindBuffer": _glBindBuffer,
 "glBindTexture": _glBindTexture,
 "glBindVertexArray": _glBindVertexArray,
 "glBlendEquation": _glBlendEquation,
 "glBlendEquationSeparate": _glBlendEquationSeparate,
 "glBlendFunc": _glBlendFunc,
 "glBlendFuncSeparate": _glBlendFuncSeparate,
 "glBufferData": _glBufferData,
 "glClear": _glClear,
 "glClearColor": _glClearColor,
 "glClearDepthf": _glClearDepthf,
 "glClearStencil": _glClearStencil,
 "glColorMask": _glColorMask,
 "glCompileShader": _glCompileShader,
 "glCopyTexImage2D": _glCopyTexImage2D,
 "glCopyTexSubImage2D": _glCopyTexSubImage2D,
 "glCreateProgram": _glCreateProgram,
 "glCreateShader": _glCreateShader,
 "glCullFace": _glCullFace,
 "glDeleteShader": _glDeleteShader,
 "glDeleteTextures": _glDeleteTextures,
 "glDeleteVertexArrays": _glDeleteVertexArrays,
 "glDepthFunc": _glDepthFunc,
 "glDepthMask": _glDepthMask,
 "glDepthRangef": _glDepthRangef,
 "glDetachShader": _glDetachShader,
 "glDisable": _glDisable,
 "glDrawArrays": _glDrawArrays,
 "glDrawElements": _glDrawElements,
 "glEnable": _glEnable,
 "glEnableVertexAttribArray": _glEnableVertexAttribArray,
 "glFinish": _glFinish,
 "glFlush": _glFlush,
 "glFrontFace": _glFrontFace,
 "glGenBuffers": _glGenBuffers,
 "glGenTextures": _glGenTextures,
 "glGenVertexArrays": _glGenVertexArrays,
 "glGetAttribLocation": _glGetAttribLocation,
 "glGetError": _glGetError,
 "glGetIntegerv": _glGetIntegerv,
 "glGetProgramInfoLog": _glGetProgramInfoLog,
 "glGetProgramiv": _glGetProgramiv,
 "glGetShaderInfoLog": _glGetShaderInfoLog,
 "glGetShaderiv": _glGetShaderiv,
 "glGetString": _glGetString,
 "glGetUniformLocation": _glGetUniformLocation,
 "glHint": _glHint,
 "glIsEnabled": _glIsEnabled,
 "glLineWidth": _glLineWidth,
 "glLinkProgram": _glLinkProgram,
 "glPixelStorei": _glPixelStorei,
 "glPolygonOffset": _glPolygonOffset,
 "glReadBuffer": _glReadBuffer,
 "glReadPixels": _glReadPixels,
 "glScissor": _glScissor,
 "glShaderBinary": _glShaderBinary,
 "glShaderSource": _glShaderSource,
 "glStencilFunc": _glStencilFunc,
 "glStencilMask": _glStencilMask,
 "glStencilOp": _glStencilOp,
 "glTexImage2D": _glTexImage2D,
 "glTexParameterf": _glTexParameterf,
 "glTexParameterfv": _glTexParameterfv,
 "glTexParameteri": _glTexParameteri,
 "glTexParameteriv": _glTexParameteriv,
 "glTexSubImage2D": _glTexSubImage2D,
 "glUniform1i": _glUniform1i,
 "glUniformMatrix4fv": _glUniformMatrix4fv,
 "glUseProgram": _glUseProgram,
 "glVertexAttribPointer": _glVertexAttribPointer,
 "glViewport": _glViewport,
 "memory": wasmMemory || Module["wasmMemory"],
 "proc_exit": _proc_exit,
 "spatialite_cleanup_ex": _spatialite_cleanup_ex,
 "spatialite_init_ex": _spatialite_init_ex,
 "strftime": _strftime,
 "strftime_l": _strftime_l
};

var asm = createWasm();

var ___wasm_call_ctors = function() {
 return (___wasm_call_ctors = Module["asm"]["__wasm_call_ctors"]).apply(null, arguments);
};

var _malloc = function() {
 return (_malloc = Module["asm"]["malloc"]).apply(null, arguments);
};

var _free = function() {
 return (_free = Module["asm"]["free"]).apply(null, arguments);
};

var _pthread_self = Module["_pthread_self"] = function() {
 return (_pthread_self = Module["_pthread_self"] = Module["asm"]["pthread_self"]).apply(null, arguments);
};

var ___errno_location = function() {
 return (___errno_location = Module["asm"]["__errno_location"]).apply(null, arguments);
};

var __emscripten_tls_init = Module["__emscripten_tls_init"] = function() {
 return (__emscripten_tls_init = Module["__emscripten_tls_init"] = Module["asm"]["_emscripten_tls_init"]).apply(null, arguments);
};

var _emscripten_builtin_memalign = function() {
 return (_emscripten_builtin_memalign = Module["asm"]["emscripten_builtin_memalign"]).apply(null, arguments);
};

var ___getTypeName = Module["___getTypeName"] = function() {
 return (___getTypeName = Module["___getTypeName"] = Module["asm"]["__getTypeName"]).apply(null, arguments);
};

var __embind_initialize_bindings = Module["__embind_initialize_bindings"] = function() {
 return (__embind_initialize_bindings = Module["__embind_initialize_bindings"] = Module["asm"]["_embind_initialize_bindings"]).apply(null, arguments);
};

var ___dl_seterr = function() {
 return (___dl_seterr = Module["asm"]["__dl_seterr"]).apply(null, arguments);
};

var __emscripten_thread_init = Module["__emscripten_thread_init"] = function() {
 return (__emscripten_thread_init = Module["__emscripten_thread_init"] = Module["asm"]["_emscripten_thread_init"]).apply(null, arguments);
};

var __emscripten_thread_crashed = Module["__emscripten_thread_crashed"] = function() {
 return (__emscripten_thread_crashed = Module["__emscripten_thread_crashed"] = Module["asm"]["_emscripten_thread_crashed"]).apply(null, arguments);
};

var _emscripten_main_thread_process_queued_calls = function() {
 return (_emscripten_main_thread_process_queued_calls = Module["asm"]["emscripten_main_thread_process_queued_calls"]).apply(null, arguments);
};

var _htons = function() {
 return (_htons = Module["asm"]["htons"]).apply(null, arguments);
};

var _emscripten_main_browser_thread_id = function() {
 return (_emscripten_main_browser_thread_id = Module["asm"]["emscripten_main_browser_thread_id"]).apply(null, arguments);
};

var _emscripten_run_in_main_runtime_thread_js = function() {
 return (_emscripten_run_in_main_runtime_thread_js = Module["asm"]["emscripten_run_in_main_runtime_thread_js"]).apply(null, arguments);
};

var _emscripten_dispatch_to_thread_ = function() {
 return (_emscripten_dispatch_to_thread_ = Module["asm"]["emscripten_dispatch_to_thread_"]).apply(null, arguments);
};

var _ntohs = function() {
 return (_ntohs = Module["asm"]["ntohs"]).apply(null, arguments);
};

var __emscripten_proxy_execute_task_queue = Module["__emscripten_proxy_execute_task_queue"] = function() {
 return (__emscripten_proxy_execute_task_queue = Module["__emscripten_proxy_execute_task_queue"] = Module["asm"]["_emscripten_proxy_execute_task_queue"]).apply(null, arguments);
};

var __emscripten_thread_free_data = function() {
 return (__emscripten_thread_free_data = Module["asm"]["_emscripten_thread_free_data"]).apply(null, arguments);
};

var __emscripten_thread_exit = Module["__emscripten_thread_exit"] = function() {
 return (__emscripten_thread_exit = Module["__emscripten_thread_exit"] = Module["asm"]["_emscripten_thread_exit"]).apply(null, arguments);
};

var ___trap = function() {
 return (___trap = Module["asm"]["__trap"]).apply(null, arguments);
};

var _emscripten_stack_set_limits = function() {
 return (_emscripten_stack_set_limits = Module["asm"]["emscripten_stack_set_limits"]).apply(null, arguments);
};

var stackSave = function() {
 return (stackSave = Module["asm"]["stackSave"]).apply(null, arguments);
};

var stackRestore = function() {
 return (stackRestore = Module["asm"]["stackRestore"]).apply(null, arguments);
};

var stackAlloc = function() {
 return (stackAlloc = Module["asm"]["stackAlloc"]).apply(null, arguments);
};

var ___cxa_demangle = function() {
 return (___cxa_demangle = Module["asm"]["__cxa_demangle"]).apply(null, arguments);
};

Module["run"] = run;

Module["addRunDependency"] = addRunDependency;

Module["removeRunDependency"] = removeRunDependency;

Module["FS_createPath"] = FS.createPath;

Module["FS_createDataFile"] = FS.createDataFile;

Module["FS_createPreloadedFile"] = FS.createPreloadedFile;

Module["FS_createLazyFile"] = FS.createLazyFile;

Module["FS_createDevice"] = FS.createDevice;

Module["FS_unlink"] = FS.unlink;

Module["keepRuntimeAlive"] = keepRuntimeAlive;

Module["wasmMemory"] = wasmMemory;

Module["ENV"] = ENV;

Module["ERRNO_CODES"] = ERRNO_CODES;

Module["PATH"] = PATH;

Module["ExitStatus"] = ExitStatus;

Module["FS"] = FS;

Module["PThread"] = PThread;

Module["NODEFS"] = NODEFS;

var calledRun;

dependenciesFulfilled = function runCaller() {
 if (!calledRun) run();
 if (!calledRun) dependenciesFulfilled = runCaller;
};

function run() {
 if (runDependencies > 0) {
  return;
 }
 if (ENVIRONMENT_IS_PTHREAD) {
  readyPromiseResolve(Module);
  initRuntime();
  startWorker(Module);
  return;
 }
 preRun();
 if (runDependencies > 0) {
  return;
 }
 function doRun() {
  if (calledRun) return;
  calledRun = true;
  Module["calledRun"] = true;
  if (ABORT) return;
  initRuntime();
  readyPromiseResolve(Module);
  if (Module["onRuntimeInitialized"]) Module["onRuntimeInitialized"]();
  postRun();
 }
 if (Module["setStatus"]) {
  Module["setStatus"]("Running...");
  setTimeout(function() {
   setTimeout(function() {
    Module["setStatus"]("");
   }, 1);
   doRun();
  }, 1);
 } else {
  doRun();
 }
}

if (Module["preInit"]) {
 if (typeof Module["preInit"] == "function") Module["preInit"] = [ Module["preInit"] ];
 while (Module["preInit"].length > 0) {
  Module["preInit"].pop()();
 }
}

run();


  return createRuntime.ready
}
);
})();
export default createRuntime;