SDcmWeb/webassembly/test.js

// This code implements the `-sMODULARIZE` settings by taking the generated
// JS program code (INNER_JS_CODE) and wrapping it in a factory function.

// When targetting node and ES6 we use `await import ..` in the generated code
// so the outer function needs to be marked as async.
async function createDicomViewerModule(moduleArg = {}) {
  var moduleRtn;

// include: shell.js
// The Module object: Our interface to the outside world. We import
// and export values on it. There are various ways Module can be used:
// 1. Not defined. We create it here
// 2. A function parameter, function(moduleArg) => Promise<Module>
// 3. pre-run appended it, var Module = {}; ..generated code..
// 4. External script tag defines var Module.
// We need to check if Module already exists (e.g. case 3 above).
// Substitution will be replaced with actual code on later stage of the build,
// this way Closure Compiler will not mangle it (e.g. case 4. above).
// Note that if you want to run closure, and also to use Module
// after the generated code, you will need to define   var Module = {};
// before the code. Then that object will be used in the code, and you
// can continue to use Module afterwards as well.
var Module = moduleArg;

// Determine the runtime environment we are in. You can customize this by
// setting the ENVIRONMENT setting at compile time (see settings.js).
var ENVIRONMENT_IS_WEB = true;

var ENVIRONMENT_IS_WORKER = false;

var ENVIRONMENT_IS_NODE = false;

var ENVIRONMENT_IS_SHELL = false;

// --pre-jses are emitted after the Module integration code, so that they can
// refer to Module (if they choose; they can also define Module)
var arguments_ = [];

var thisProgram = "./this.program";

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

var _scriptName = import.meta.url;

// `/` should be present at the end if `scriptDirectory` is not empty
var scriptDirectory = "";

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

// Hooks that are implemented differently in different runtime environments.
var readAsync, readBinary;

if (ENVIRONMENT_IS_SHELL) {
  const isNode = typeof process == "object" && process.versions?.node && process.type != "renderer";
  if (isNode || typeof window == "object" || typeof WorkerGlobalScope != "undefined") throw new Error("not compiled for this environment (did you build to HTML and try to run it not on the web, or set ENVIRONMENT to something - like node - and run it someplace else - like on the web?)");
} else // Note that this includes Node.js workers when relevant (pthreads is enabled).
// Node.js workers are detected as a combination of ENVIRONMENT_IS_WORKER and
// ENVIRONMENT_IS_NODE.
if (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) {
  try {
    scriptDirectory = new URL(".", _scriptName).href;
  } catch {}
  if (!(typeof window == "object" || typeof WorkerGlobalScope != "undefined")) throw new Error("not compiled for this environment (did you build to HTML and try to run it not on the web, or set ENVIRONMENT to something - like node - and run it someplace else - like on the web?)");
  {
    // include: web_or_worker_shell_read.js
    readAsync = async url => {
      assert(!isFileURI(url), "readAsync does not work with file:// URLs");
      var response = await fetch(url, {
        credentials: "same-origin"
      });
      if (response.ok) {
        return response.arrayBuffer();
      }
      throw new Error(response.status + " : " + response.url);
    };
  }
} else {
  throw new Error("environment detection error");
}

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

var err = console.error.bind(console);

var IDBFS = "IDBFS is no longer included by default; build with -lidbfs.js";

var PROXYFS = "PROXYFS is no longer included by default; build with -lproxyfs.js";

var WORKERFS = "WORKERFS is no longer included by default; build with -lworkerfs.js";

var FETCHFS = "FETCHFS is no longer included by default; build with -lfetchfs.js";

var ICASEFS = "ICASEFS is no longer included by default; build with -licasefs.js";

var JSFILEFS = "JSFILEFS is no longer included by default; build with -ljsfilefs.js";

var OPFS = "OPFS is no longer included by default; build with -lopfs.js";

var NODEFS = "NODEFS is no longer included by default; build with -lnodefs.js";

// perform assertions in shell.js after we set up out() and err(), as otherwise
// if an assertion fails it cannot print the message
assert(!ENVIRONMENT_IS_WORKER, "worker environment detected but not enabled at build time.  Add `worker` to `-sENVIRONMENT` to enable.");

assert(!ENVIRONMENT_IS_NODE, "node environment detected but not enabled at build time.  Add `node` to `-sENVIRONMENT` to enable.");

assert(!ENVIRONMENT_IS_SHELL, "shell environment detected but not enabled at build time.  Add `shell` to `-sENVIRONMENT` to enable.");

// end include: shell.js
// include: preamble.js
// === Preamble library stuff ===
// Documentation for the public APIs defined in this file must be updated in:
//    site/source/docs/api_reference/preamble.js.rst
// A prebuilt local version of the documentation is available at:
//    site/build/text/docs/api_reference/preamble.js.txt
// You can also build docs locally as HTML or other formats in site/
// An online HTML version (which may be of a different version of Emscripten)
//    is up at http://kripken.github.io/emscripten-site/docs/api_reference/preamble.js.html
var wasmBinary;

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

// Wasm globals
//========================================
// Runtime essentials
//========================================
// whether we are quitting the application. no code should run after this.
// set in exit() and abort()
var ABORT = false;

// set by exit() and abort().  Passed to 'onExit' handler.
// NOTE: This is also used as the process return code code in shell environments
// but only when noExitRuntime is false.
var EXITSTATUS;

// In STRICT mode, we only define assert() when ASSERTIONS is set.  i.e. we
// don't define it at all in release modes.  This matches the behaviour of
// MINIMAL_RUNTIME.
// TODO(sbc): Make this the default even without STRICT enabled.
/** @type {function(*, string=)} */ function assert(condition, text) {
  if (!condition) {
    abort("Assertion failed" + (text ? ": " + text : ""));
  }
}

// We used to include malloc/free by default in the past. Show a helpful error in
// builds with assertions.
/**
 * Indicates whether filename is delivered via file protocol (as opposed to http/https)
 * @noinline
 */ var isFileURI = filename => filename.startsWith("file://");

// include: runtime_common.js
// include: runtime_stack_check.js
// Initializes the stack cookie. Called at the startup of main and at the startup of each thread in pthreads mode.
function writeStackCookie() {
  var max = _emscripten_stack_get_end();
  assert((max & 3) == 0);
  // If the stack ends at address zero we write our cookies 4 bytes into the
  // stack.  This prevents interference with SAFE_HEAP and ASAN which also
  // monitor writes to address zero.
  if (max == 0) {
    max += 4;
  }
  // The stack grow downwards towards _emscripten_stack_get_end.
  // We write cookies to the final two words in the stack and detect if they are
  // ever overwritten.
  HEAPU32[((max) >>> 2) >>> 0] = 34821223;
  HEAPU32[(((max) + (4)) >>> 2) >>> 0] = 2310721022;
  // Also test the global address 0 for integrity.
  HEAPU32[((0) >>> 2) >>> 0] = 1668509029;
}

function checkStackCookie() {
  if (ABORT) return;
  var max = _emscripten_stack_get_end();
  // See writeStackCookie().
  if (max == 0) {
    max += 4;
  }
  var cookie1 = HEAPU32[((max) >>> 2) >>> 0];
  var cookie2 = HEAPU32[(((max) + (4)) >>> 2) >>> 0];
  if (cookie1 != 34821223 || cookie2 != 2310721022) {
    abort(`Stack overflow! Stack cookie has been overwritten at ${ptrToString(max)}, expected hex dwords 0x89BACDFE and 0x2135467, but received ${ptrToString(cookie2)} ${ptrToString(cookie1)}`);
  }
  // Also test the global address 0 for integrity.
  if (HEAPU32[((0) >>> 2) >>> 0] != 1668509029) {
    abort("Runtime error: The application has corrupted its heap memory area (address zero)!");
  }
}

// end include: runtime_stack_check.js
// include: runtime_exceptions.js
// end include: runtime_exceptions.js
// include: runtime_debug.js
var runtimeDebug = true;

// Switch to false at runtime to disable logging at the right times
// Used by XXXXX_DEBUG settings to output debug messages.
function dbg(...args) {
  if (!runtimeDebug && typeof runtimeDebug != "undefined") return;
  // TODO(sbc): Make this configurable somehow.  Its not always convenient for
  // logging to show up as warnings.
  console.warn(...args);
}

// Endianness check
(() => {
  var h16 = new Int16Array(1);
  var h8 = new Int8Array(h16.buffer);
  h16[0] = 25459;
  if (h8[0] !== 115 || h8[1] !== 99) throw "Runtime error: expected the system to be little-endian! (Run with -sSUPPORT_BIG_ENDIAN to bypass)";
})();

function consumedModuleProp(prop) {
  if (!Object.getOwnPropertyDescriptor(Module, prop)) {
    Object.defineProperty(Module, prop, {
      configurable: true,
      set() {
        abort(`Attempt to set \`Module.${prop}\` after it has already been processed.  This can happen, for example, when code is injected via '--post-js' rather than '--pre-js'`);
      }
    });
  }
}

function makeInvalidEarlyAccess(name) {
  return () => assert(false, `call to '${name}' via reference taken before Wasm module initialization`);
}

function ignoredModuleProp(prop) {
  if (Object.getOwnPropertyDescriptor(Module, prop)) {
    abort(`\`Module.${prop}\` was supplied but \`${prop}\` not included in INCOMING_MODULE_JS_API`);
  }
}

// forcing the filesystem exports a few things by default
function isExportedByForceFilesystem(name) {
  return name === "FS_createPath" || name === "FS_createDataFile" || name === "FS_createPreloadedFile" || name === "FS_unlink" || name === "addRunDependency" || // The old FS has some functionality that WasmFS lacks.
  name === "FS_createLazyFile" || name === "FS_createDevice" || name === "removeRunDependency";
}

/**
 * Intercept access to a global symbol.  This enables us to give informative
 * warnings/errors when folks attempt to use symbols they did not include in
 * their build, or no symbols that no longer exist.
 */ function hookGlobalSymbolAccess(sym, func) {
  if (typeof globalThis != "undefined" && !Object.getOwnPropertyDescriptor(globalThis, sym)) {
    Object.defineProperty(globalThis, sym, {
      configurable: true,
      get() {
        func();
        return undefined;
      }
    });
  }
}

function missingGlobal(sym, msg) {
  hookGlobalSymbolAccess(sym, () => {
    warnOnce(`\`${sym}\` is not longer defined by emscripten. ${msg}`);
  });
}

missingGlobal("buffer", "Please use HEAP8.buffer or wasmMemory.buffer");

missingGlobal("asm", "Please use wasmExports instead");

function missingLibrarySymbol(sym) {
  hookGlobalSymbolAccess(sym, () => {
    // Can't `abort()` here because it would break code that does runtime
    // checks.  e.g. `if (typeof SDL === 'undefined')`.
    var msg = `\`${sym}\` is a library symbol and not included by default; add it to your library.js __deps or to DEFAULT_LIBRARY_FUNCS_TO_INCLUDE on the command line`;
    // DEFAULT_LIBRARY_FUNCS_TO_INCLUDE requires the name as it appears in
    // library.js, which means $name for a JS name with no prefix, or name
    // for a JS name like _name.
    var librarySymbol = sym;
    if (!librarySymbol.startsWith("_")) {
      librarySymbol = "$" + sym;
    }
    msg += ` (e.g. -sDEFAULT_LIBRARY_FUNCS_TO_INCLUDE='${librarySymbol}')`;
    if (isExportedByForceFilesystem(sym)) {
      msg += ". Alternatively, forcing filesystem support (-sFORCE_FILESYSTEM) can export this for you";
    }
    warnOnce(msg);
  });
  // Any symbol that is not included from the JS library is also (by definition)
  // not exported on the Module object.
  unexportedRuntimeSymbol(sym);
}

function unexportedRuntimeSymbol(sym) {
  if (!Object.getOwnPropertyDescriptor(Module, sym)) {
    Object.defineProperty(Module, sym, {
      configurable: true,
      get() {
        var msg = `'${sym}' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the Emscripten FAQ)`;
        if (isExportedByForceFilesystem(sym)) {
          msg += ". Alternatively, forcing filesystem support (-sFORCE_FILESYSTEM) can export this for you";
        }
        abort(msg);
      }
    });
  }
}

// end include: runtime_debug.js
var readyPromiseResolve, readyPromiseReject;

// Memory management
var wasmMemory;

var /** @type {!Int8Array} */ HEAP8, /** @type {!Uint8Array} */ HEAPU8, /** @type {!Int16Array} */ HEAP16, /** @type {!Uint16Array} */ HEAPU16, /** @type {!Int32Array} */ HEAP32, /** @type {!Uint32Array} */ HEAPU32, /** @type {!Float32Array} */ HEAPF32, /** @type {!Float64Array} */ HEAPF64;

// BigInt64Array type is not correctly defined in closure
var /** not-@type {!BigInt64Array} */ HEAP64, /* BigUint64Array type is not correctly defined in closure
/** not-@type {!BigUint64Array} */ HEAPU64;

var runtimeInitialized = false;

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

// include: memoryprofiler.js
// end include: memoryprofiler.js
// end include: runtime_common.js
assert(typeof Int32Array != "undefined" && typeof Float64Array !== "undefined" && Int32Array.prototype.subarray != undefined && Int32Array.prototype.set != undefined, "JS engine does not provide full typed array support");

function preRun() {
  if (Module["preRun"]) {
    if (typeof Module["preRun"] == "function") Module["preRun"] = [ Module["preRun"] ];
    while (Module["preRun"].length) {
      addOnPreRun(Module["preRun"].shift());
    }
  }
  consumedModuleProp("preRun");
  // Begin ATPRERUNS hooks
  callRuntimeCallbacks(onPreRuns);
}

function initRuntime() {
  assert(!runtimeInitialized);
  runtimeInitialized = true;
  checkStackCookie();
  // Begin ATINITS hooks
  SOCKFS.root = FS.mount(SOCKFS, {}, null);
  if (!Module["noFSInit"] && !FS.initialized) FS.init();
  TTY.init();
  // End ATINITS hooks
  wasmExports["__wasm_call_ctors"]();
  // Begin ATPOSTCTORS hooks
  FS.ignorePermissions = false;
}

function preMain() {
  checkStackCookie();
}

function postRun() {
  checkStackCookie();
  // PThreads reuse the runtime from the main thread.
  if (Module["postRun"]) {
    if (typeof Module["postRun"] == "function") Module["postRun"] = [ Module["postRun"] ];
    while (Module["postRun"].length) {
      addOnPostRun(Module["postRun"].shift());
    }
  }
  consumedModuleProp("postRun");
  // Begin ATPOSTRUNS hooks
  callRuntimeCallbacks(onPostRuns);
}

// A counter of dependencies for calling run(). If we need to
// do asynchronous work before running, increment this and
// decrement it. Incrementing must happen in a place like
// Module.preRun (used by emcc to add file preloading).
// Note that you can add dependencies in preRun, even though
// it happens right before run - run will be postponed until
// the dependencies are met.
var runDependencies = 0;

var dependenciesFulfilled = null;

// overridden to take different actions when all run dependencies are fulfilled
var runDependencyTracking = {};

var runDependencyWatcher = null;

function addRunDependency(id) {
  runDependencies++;
  Module["monitorRunDependencies"]?.(runDependencies);
  if (id) {
    assert(!runDependencyTracking[id]);
    runDependencyTracking[id] = 1;
    if (runDependencyWatcher === null && typeof setInterval != "undefined") {
      // Check for missing dependencies every few seconds
      runDependencyWatcher = setInterval(() => {
        if (ABORT) {
          clearInterval(runDependencyWatcher);
          runDependencyWatcher = null;
          return;
        }
        var shown = false;
        for (var dep in runDependencyTracking) {
          if (!shown) {
            shown = true;
            err("still waiting on run dependencies:");
          }
          err(`dependency: ${dep}`);
        }
        if (shown) {
          err("(end of list)");
        }
      }, 1e4);
    }
  } else {
    err("warning: run dependency added without ID");
  }
}

function removeRunDependency(id) {
  runDependencies--;
  Module["monitorRunDependencies"]?.(runDependencies);
  if (id) {
    assert(runDependencyTracking[id]);
    delete runDependencyTracking[id];
  } else {
    err("warning: run dependency removed without ID");
  }
  if (runDependencies == 0) {
    if (runDependencyWatcher !== null) {
      clearInterval(runDependencyWatcher);
      runDependencyWatcher = null;
    }
    if (dependenciesFulfilled) {
      var callback = dependenciesFulfilled;
      dependenciesFulfilled = null;
      callback();
    }
  }
}

/** @param {string|number=} what */ function abort(what) {
  Module["onAbort"]?.(what);
  what = "Aborted(" + what + ")";
  // TODO(sbc): Should we remove printing and leave it up to whoever
  // catches the exception?
  err(what);
  ABORT = true;
  // Use a wasm runtime error, because a JS error might be seen as a foreign
  // exception, which means we'd run destructors on it. We need the error to
  // simply make the program stop.
  // FIXME This approach does not work in Wasm EH because it currently does not assume
  // all RuntimeErrors are from traps; it decides whether a RuntimeError is from
  // a trap or not based on a hidden field within the object. So at the moment
  // we don't have a way of throwing a wasm trap from JS. TODO Make a JS API that
  // allows this in the wasm spec.
  // Suppress closure compiler warning here. Closure compiler's builtin extern
  // definition for WebAssembly.RuntimeError claims it takes no arguments even
  // though it can.
  // TODO(https://github.com/google/closure-compiler/pull/3913): Remove if/when upstream closure gets fixed.
  /** @suppress {checkTypes} */ var e = new WebAssembly.RuntimeError(what);
  readyPromiseReject?.(e);
  // Throw the error whether or not MODULARIZE is set because abort is used
  // in code paths apart from instantiation where an exception is expected
  // to be thrown when abort is called.
  throw e;
}

function createExportWrapper(name, nargs) {
  return (...args) => {
    assert(runtimeInitialized, `native function \`${name}\` called before runtime initialization`);
    var f = wasmExports[name];
    assert(f, `exported native function \`${name}\` not found`);
    // Only assert for too many arguments. Too few can be valid since the missing arguments will be zero filled.
    assert(args.length <= nargs, `native function \`${name}\` called with ${args.length} args but expects ${nargs}`);
    return f(...args);
  };
}

var wasmBinaryFile;

function findWasmBinary() {
  if (Module["locateFile"]) {
    return locateFile("test.wasm");
  }
  // Use bundler-friendly `new URL(..., import.meta.url)` pattern; works in browsers too.
  return new URL("test.wasm", import.meta.url).href;
}

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

async function getWasmBinary(binaryFile) {
  // If we don't have the binary yet, load it asynchronously using readAsync.
  if (!wasmBinary) {
    // Fetch the binary using readAsync
    try {
      var response = await readAsync(binaryFile);
      return new Uint8Array(response);
    } catch {}
  }
  // Otherwise, getBinarySync should be able to get it synchronously
  return getBinarySync(binaryFile);
}

async function instantiateArrayBuffer(binaryFile, imports) {
  try {
    var binary = await getWasmBinary(binaryFile);
    var instance = await WebAssembly.instantiate(binary, imports);
    return instance;
  } catch (reason) {
    err(`failed to asynchronously prepare wasm: ${reason}`);
    // Warn on some common problems.
    if (isFileURI(wasmBinaryFile)) {
      err(`warning: Loading from a file URI (${wasmBinaryFile}) is not supported in most browsers. See https://emscripten.org/docs/getting_started/FAQ.html#how-do-i-run-a-local-webserver-for-testing-why-does-my-program-stall-in-downloading-or-preparing`);
    }
    abort(reason);
  }
}

async function instantiateAsync(binary, binaryFile, imports) {
  if (!binary && typeof WebAssembly.instantiateStreaming == "function") {
    try {
      var response = fetch(binaryFile, {
        credentials: "same-origin"
      });
      var instantiationResult = await WebAssembly.instantiateStreaming(response, imports);
      return instantiationResult;
    } catch (reason) {
      // We expect the most common failure cause to be a bad MIME type for the binary,
      // in which case falling back to ArrayBuffer instantiation should work.
      err(`wasm streaming compile failed: ${reason}`);
      err("falling back to ArrayBuffer instantiation");
    }
  }
  return instantiateArrayBuffer(binaryFile, imports);
}

function getWasmImports() {
  // prepare imports
  return {
    "env": wasmImports,
    "wasi_snapshot_preview1": wasmImports
  };
}

// Create the wasm instance.
// Receives the wasm imports, returns the exports.
async function createWasm() {
  // Load the wasm module and create an instance of using native support in the JS engine.
  // handle a generated wasm instance, receiving its exports and
  // performing other necessary setup
  /** @param {WebAssembly.Module=} module*/ function receiveInstance(instance, module) {
    wasmExports = instance.exports;
    wasmExports = applySignatureConversions(wasmExports);
    wasmMemory = wasmExports["memory"];
    assert(wasmMemory, "memory not found in wasm exports");
    updateMemoryViews();
    wasmTable = wasmExports["__indirect_function_table"];
    assert(wasmTable, "table not found in wasm exports");
    assignWasmExports(wasmExports);
    removeRunDependency("wasm-instantiate");
    return wasmExports;
  }
  // wait for the pthread pool (if any)
  addRunDependency("wasm-instantiate");
  // Prefer streaming instantiation if available.
  // Async compilation can be confusing when an error on the page overwrites Module
  // (for example, if the order of elements is wrong, and the one defining Module is
  // later), so we save Module and check it later.
  var trueModule = Module;
  function receiveInstantiationResult(result) {
    // 'result' is a ResultObject object which has both the module and instance.
    // receiveInstance() will swap in the exports (to Module.asm) so they can be called
    assert(Module === trueModule, "the Module object should not be replaced during async compilation - perhaps the order of HTML elements is wrong?");
    trueModule = null;
    // TODO: Due to Closure regression https://github.com/google/closure-compiler/issues/3193, the above line no longer optimizes out down to the following line.
    // When the regression is fixed, can restore the above PTHREADS-enabled path.
    return receiveInstance(result["instance"]);
  }
  var info = getWasmImports();
  // User shell pages can write their own Module.instantiateWasm = function(imports, successCallback) callback
  // to manually instantiate the Wasm module themselves. This allows pages to
  // run the instantiation parallel to any other async startup actions they are
  // performing.
  // Also pthreads and wasm workers initialize the wasm instance through this
  // path.
  if (Module["instantiateWasm"]) {
    return new Promise((resolve, reject) => {
      try {
        Module["instantiateWasm"](info, (mod, inst) => {
          resolve(receiveInstance(mod, inst));
        });
      } catch (e) {
        err(`Module.instantiateWasm callback failed with error: ${e}`);
        reject(e);
      }
    });
  }
  wasmBinaryFile ??= findWasmBinary();
  var result = await instantiateAsync(wasmBinary, wasmBinaryFile, info);
  var exports = receiveInstantiationResult(result);
  return exports;
}

// end include: preamble.js
// Begin JS library code
class ExitStatus {
  name="ExitStatus";
  constructor(status) {
    this.message = `Program terminated with exit(${status})`;
    this.status = status;
  }
}

var callRuntimeCallbacks = callbacks => {
  while (callbacks.length > 0) {
    // Pass the module as the first argument.
    callbacks.shift()(Module);
  }
};

var onPostRuns = [];

var addOnPostRun = cb => onPostRuns.push(cb);

var onPreRuns = [];

var addOnPreRun = cb => onPreRuns.push(cb);

/**
     * @param {number} ptr
     * @param {string} type
     */ function getValue(ptr, type = "i8") {
  if (type.endsWith("*")) type = "*";
  switch (type) {
   case "i1":
    return HEAP8[ptr >>> 0];

   case "i8":
    return HEAP8[ptr >>> 0];

   case "i16":
    return HEAP16[((ptr) >>> 1) >>> 0];

   case "i32":
    return HEAP32[((ptr) >>> 2) >>> 0];

   case "i64":
    return HEAP64[((ptr) >>> 3) >>> 0];

   case "float":
    return HEAPF32[((ptr) >>> 2) >>> 0];

   case "double":
    return HEAPF64[((ptr) >>> 3) >>> 0];

   case "*":
    return HEAPU32[((ptr) >>> 2) >>> 0];

   default:
    abort(`invalid type for getValue: ${type}`);
  }
}

var noExitRuntime = true;

var ptrToString = ptr => {
  assert(typeof ptr === "number");
  return "0x" + ptr.toString(16).padStart(8, "0");
};

/**
     * @param {number} ptr
     * @param {number} value
     * @param {string} type
     */ function setValue(ptr, value, type = "i8") {
  if (type.endsWith("*")) type = "*";
  switch (type) {
   case "i1":
    HEAP8[ptr >>> 0] = value;
    break;

   case "i8":
    HEAP8[ptr >>> 0] = value;
    break;

   case "i16":
    HEAP16[((ptr) >>> 1) >>> 0] = value;
    break;

   case "i32":
    HEAP32[((ptr) >>> 2) >>> 0] = value;
    break;

   case "i64":
    HEAP64[((ptr) >>> 3) >>> 0] = BigInt(value);
    break;

   case "float":
    HEAPF32[((ptr) >>> 2) >>> 0] = value;
    break;

   case "double":
    HEAPF64[((ptr) >>> 3) >>> 0] = value;
    break;

   case "*":
    HEAPU32[((ptr) >>> 2) >>> 0] = value;
    break;

   default:
    abort(`invalid type for setValue: ${type}`);
  }
}

var stackRestore = val => __emscripten_stack_restore(val);

var stackSave = () => _emscripten_stack_get_current();

var warnOnce = text => {
  warnOnce.shown ||= {};
  if (!warnOnce.shown[text]) {
    warnOnce.shown[text] = 1;
    err(text);
  }
};

var INT53_MAX = 9007199254740992;

var INT53_MIN = -9007199254740992;

var bigintToI53Checked = num => (num < INT53_MIN || num > INT53_MAX) ? NaN : Number(num);

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

var findStringEnd = (heapOrArray, idx, maxBytesToRead, ignoreNul) => {
  var maxIdx = idx + maxBytesToRead;
  if (ignoreNul) return maxIdx;
  // TextDecoder needs to know the byte length in advance, it doesn't stop on
  // null terminator by itself.
  // As a tiny code save trick, compare idx against maxIdx using a negation,
  // so that maxBytesToRead=undefined/NaN means Infinity.
  while (heapOrArray[idx] && !(idx >= maxIdx)) ++idx;
  return idx;
};

/**
     * Given a pointer 'idx' to a null-terminated UTF8-encoded string in the given
     * array that contains uint8 values, returns a copy of that string as a
     * Javascript String object.
     * heapOrArray is either a regular array, or a JavaScript typed array view.
     * @param {number=} idx
     * @param {number=} maxBytesToRead
     * @param {boolean=} ignoreNul - If true, the function will not stop on a NUL character.
     * @return {string}
     */ var UTF8ArrayToString = (heapOrArray, idx = 0, maxBytesToRead, ignoreNul) => {
  idx >>>= 0;
  var endPtr = findStringEnd(heapOrArray, idx, maxBytesToRead, ignoreNul);
  // When using conditional TextDecoder, skip it for short strings as the overhead of the native call is not worth it.
  if (endPtr - idx > 16 && heapOrArray.buffer && UTF8Decoder) {
    return UTF8Decoder.decode(heapOrArray.subarray(idx, endPtr));
  }
  var str = "";
  while (idx < endPtr) {
    // For UTF8 byte structure, see:
    // http://en.wikipedia.org/wiki/UTF-8#Description
    // https://www.ietf.org/rfc/rfc2279.txt
    // https://tools.ietf.org/html/rfc3629
    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 {
      if ((u0 & 248) != 240) warnOnce("Invalid UTF-8 leading byte " + ptrToString(u0) + " encountered when deserializing a UTF-8 string in wasm memory to a JS string!");
      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;
};

/**
     * Given a pointer 'ptr' to a null-terminated UTF8-encoded string in the
     * emscripten HEAP, returns a copy of that string as a Javascript String object.
     *
     * @param {number} ptr
     * @param {number=} maxBytesToRead - An optional length that specifies the
     *   maximum number of bytes to read. You can omit this parameter to scan the
     *   string until the first 0 byte. If maxBytesToRead is passed, and the string
     *   at [ptr, ptr+maxBytesToReadr[ contains a null byte in the middle, then the
     *   string will cut short at that byte index.
     * @param {boolean=} ignoreNul - If true, the function will not stop on a NUL character.
     * @return {string}
     */ var UTF8ToString = (ptr, maxBytesToRead, ignoreNul) => {
  assert(typeof ptr == "number", `UTF8ToString expects a number (got ${typeof ptr})`);
  ptr >>>= 0;
  return ptr ? UTF8ArrayToString(HEAPU8, ptr, maxBytesToRead, ignoreNul) : "";
};

function ___assert_fail(condition, filename, line, func) {
  condition >>>= 0;
  filename >>>= 0;
  func >>>= 0;
  return abort(`Assertion failed: ${UTF8ToString(condition)}, at: ` + [ filename ? UTF8ToString(filename) : "unknown filename", line, func ? UTF8ToString(func) : "unknown function" ]);
}

class ExceptionInfo {
  // excPtr - Thrown object pointer to wrap. Metadata pointer is calculated from it.
  constructor(excPtr) {
    this.excPtr = excPtr;
    this.ptr = excPtr - 24;
  }
  set_type(type) {
    HEAPU32[(((this.ptr) + (4)) >>> 2) >>> 0] = type;
  }
  get_type() {
    return HEAPU32[(((this.ptr) + (4)) >>> 2) >>> 0];
  }
  set_destructor(destructor) {
    HEAPU32[(((this.ptr) + (8)) >>> 2) >>> 0] = destructor;
  }
  get_destructor() {
    return HEAPU32[(((this.ptr) + (8)) >>> 2) >>> 0];
  }
  set_caught(caught) {
    caught = caught ? 1 : 0;
    HEAP8[(this.ptr) + (12) >>> 0] = caught;
  }
  get_caught() {
    return HEAP8[(this.ptr) + (12) >>> 0] != 0;
  }
  set_rethrown(rethrown) {
    rethrown = rethrown ? 1 : 0;
    HEAP8[(this.ptr) + (13) >>> 0] = rethrown;
  }
  get_rethrown() {
    return HEAP8[(this.ptr) + (13) >>> 0] != 0;
  }
  // Initialize native structure fields. Should be called once after allocated.
  init(type, destructor) {
    this.set_adjusted_ptr(0);
    this.set_type(type);
    this.set_destructor(destructor);
  }
  set_adjusted_ptr(adjustedPtr) {
    HEAPU32[(((this.ptr) + (16)) >>> 2) >>> 0] = adjustedPtr;
  }
  get_adjusted_ptr() {
    return HEAPU32[(((this.ptr) + (16)) >>> 2) >>> 0];
  }
}

var exceptionLast = 0;

var uncaughtExceptionCount = 0;

function ___cxa_throw(ptr, type, destructor) {
  ptr >>>= 0;
  type >>>= 0;
  destructor >>>= 0;
  var info = new ExceptionInfo(ptr);
  // Initialize ExceptionInfo content after it was allocated in __cxa_allocate_exception.
  info.init(type, destructor);
  exceptionLast = ptr;
  uncaughtExceptionCount++;
  assert(false, "Exception thrown, but exception catching is not enabled. Compile with -sNO_DISABLE_EXCEPTION_CATCHING or -sEXCEPTION_CATCHING_ALLOWED=[..] to catch.");
}

var initRandomFill = () => view => crypto.getRandomValues(view);

var randomFill = view => {
  // Lazily init on the first invocation.
  (randomFill = initRandomFill())(view);
};

var PATH = {
  isAbs: path => path.charAt(0) === "/",
  splitPath: filename => {
    var splitPathRe = /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;
    return splitPathRe.exec(filename).slice(1);
  },
  normalizeArray: (parts, allowAboveRoot) => {
    // if the path tries to go above the root, `up` ends up > 0
    var up = 0;
    for (var i = parts.length - 1; i >= 0; i--) {
      var last = parts[i];
      if (last === ".") {
        parts.splice(i, 1);
      } else if (last === "..") {
        parts.splice(i, 1);
        up++;
      } else if (up) {
        parts.splice(i, 1);
        up--;
      }
    }
    // if the path is allowed to go above the root, restore leading ..s
    if (allowAboveRoot) {
      for (;up; up--) {
        parts.unshift("..");
      }
    }
    return parts;
  },
  normalize: path => {
    var isAbsolute = PATH.isAbs(path), trailingSlash = path.slice(-1) === "/";
    // Normalize the path
    path = PATH.normalizeArray(path.split("/").filter(p => !!p), !isAbsolute).join("/");
    if (!path && !isAbsolute) {
      path = ".";
    }
    if (path && trailingSlash) {
      path += "/";
    }
    return (isAbsolute ? "/" : "") + path;
  },
  dirname: path => {
    var result = PATH.splitPath(path), root = result[0], dir = result[1];
    if (!root && !dir) {
      // No dirname whatsoever
      return ".";
    }
    if (dir) {
      // It has a dirname, strip trailing slash
      dir = dir.slice(0, -1);
    }
    return root + dir;
  },
  basename: path => path && path.match(/([^\/]+|\/)\/*$/)[1],
  join: (...paths) => PATH.normalize(paths.join("/")),
  join2: (l, r) => PATH.normalize(l + "/" + r)
};

var PATH_FS = {
  resolve: (...args) => {
    var resolvedPath = "", resolvedAbsolute = false;
    for (var i = args.length - 1; i >= -1 && !resolvedAbsolute; i--) {
      var path = (i >= 0) ? args[i] : FS.cwd();
      // Skip empty and invalid entries
      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);
    }
    // At this point the path should be resolved to a full absolute path, but
    // handle relative paths to be safe (might happen when process.cwd() fails)
    resolvedPath = PATH.normalizeArray(resolvedPath.split("/").filter(p => !!p), !resolvedAbsolute).join("/");
    return ((resolvedAbsolute ? "/" : "") + resolvedPath) || ".";
  },
  relative: (from, to) => {
    from = PATH_FS.resolve(from).slice(1);
    to = PATH_FS.resolve(to).slice(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("/");
  }
};

var FS_stdin_getChar_buffer = [];

var lengthBytesUTF8 = str => {
  var len = 0;
  for (var i = 0; i < str.length; ++i) {
    // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code
    // unit, not a Unicode code point of the character! So decode
    // UTF16->UTF32->UTF8.
    // See http://unicode.org/faq/utf_bom.html#utf16-3
    var c = str.charCodeAt(i);
    // possibly a lead surrogate
    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 stringToUTF8Array = (str, heap, outIdx, maxBytesToWrite) => {
  outIdx >>>= 0;
  assert(typeof str === "string", `stringToUTF8Array expects a string (got ${typeof str})`);
  // Parameter maxBytesToWrite is not optional. Negative values, 0, null,
  // undefined and false each don't write out any bytes.
  if (!(maxBytesToWrite > 0)) return 0;
  var startIdx = outIdx;
  var endIdx = outIdx + maxBytesToWrite - 1;
  // -1 for string null terminator.
  for (var i = 0; i < str.length; ++i) {
    // For UTF8 byte structure, see http://en.wikipedia.org/wiki/UTF-8#Description
    // and https://www.ietf.org/rfc/rfc2279.txt
    // and https://tools.ietf.org/html/rfc3629
    var u = str.codePointAt(i);
    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;
      if (u > 1114111) warnOnce("Invalid Unicode code point " + ptrToString(u) + " encountered when serializing a JS string to a UTF-8 string in wasm memory! (Valid unicode code points should be in range 0-0x10FFFF).");
      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);
      // Gotcha: if codePoint is over 0xFFFF, it is represented as a surrogate pair in UTF-16.
      // We need to manually skip over the second code unit for correct iteration.
      i++;
    }
  }
  // Null-terminate the pointer to the buffer.
  heap[outIdx >>> 0] = 0;
  return outIdx - startIdx;
};

/** @type {function(string, boolean=, number=)} */ var 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 FS_stdin_getChar = () => {
  if (!FS_stdin_getChar_buffer.length) {
    var result = null;
    if (typeof window != "undefined" && typeof window.prompt == "function") {
      // Browser.
      result = window.prompt("Input: ");
      // returns null on cancel
      if (result !== null) {
        result += "\n";
      }
    } else {}
    if (!result) {
      return null;
    }
    FS_stdin_getChar_buffer = intArrayFromString(result, true);
  }
  return FS_stdin_getChar_buffer.shift();
};

var TTY = {
  ttys: [],
  init() {},
  shutdown() {},
  register(dev, ops) {
    TTY.ttys[dev] = {
      input: [],
      output: [],
      ops
    };
    FS.registerDevice(dev, TTY.stream_ops);
  },
  stream_ops: {
    open(stream) {
      var tty = TTY.ttys[stream.node.rdev];
      if (!tty) {
        throw new FS.ErrnoError(43);
      }
      stream.tty = tty;
      stream.seekable = false;
    },
    close(stream) {
      // flush any pending line data
      stream.tty.ops.fsync(stream.tty);
    },
    fsync(stream) {
      stream.tty.ops.fsync(stream.tty);
    },
    read(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.atime = Date.now();
      }
      return bytesRead;
    },
    write(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.mtime = stream.node.ctime = Date.now();
      }
      return i;
    }
  },
  default_tty_ops: {
    get_char(tty) {
      return FS_stdin_getChar();
    },
    put_char(tty, val) {
      if (val === null || val === 10) {
        out(UTF8ArrayToString(tty.output));
        tty.output = [];
      } else {
        if (val != 0) tty.output.push(val);
      }
    },
    fsync(tty) {
      if (tty.output?.length > 0) {
        out(UTF8ArrayToString(tty.output));
        tty.output = [];
      }
    },
    ioctl_tcgets(tty) {
      // typical setting
      return {
        c_iflag: 25856,
        c_oflag: 5,
        c_cflag: 191,
        c_lflag: 35387,
        c_cc: [ 3, 28, 127, 21, 4, 0, 1, 0, 17, 19, 26, 0, 18, 15, 23, 22, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ]
      };
    },
    ioctl_tcsets(tty, optional_actions, data) {
      // currently just ignore
      return 0;
    },
    ioctl_tiocgwinsz(tty) {
      return [ 24, 80 ];
    }
  },
  default_tty1_ops: {
    put_char(tty, val) {
      if (val === null || val === 10) {
        err(UTF8ArrayToString(tty.output));
        tty.output = [];
      } else {
        if (val != 0) tty.output.push(val);
      }
    },
    fsync(tty) {
      if (tty.output?.length > 0) {
        err(UTF8ArrayToString(tty.output));
        tty.output = [];
      }
    }
  }
};

var mmapAlloc = size => {
  abort("internal error: mmapAlloc called but `emscripten_builtin_memalign` native symbol not exported");
};

var MEMFS = {
  ops_table: null,
  mount(mount) {
    return MEMFS.createNode(null, "/", 16895, 0);
  },
  createNode(parent, name, mode, dev) {
    if (FS.isBlkdev(mode) || FS.isFIFO(mode)) {
      // no supported
      throw new FS.ErrnoError(63);
    }
    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,
          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;
      // The actual number of bytes used in the typed array, as opposed to contents.length which gives the whole capacity.
      // When the byte data of the file is populated, this will point to either a typed array, or a normal JS array. Typed arrays are preferred
      // for performance, and used by default. However, typed arrays are not resizable like normal JS arrays are, so there is a small disk size
      // penalty involved for appending file writes that continuously grow a file similar to std::vector capacity vs used -scheme.
      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.atime = node.mtime = node.ctime = Date.now();
    // add the new node to the parent
    if (parent) {
      parent.contents[name] = node;
      parent.atime = parent.mtime = parent.ctime = node.atime;
    }
    return node;
  },
  getFileDataAsTypedArray(node) {
    if (!node.contents) return new Uint8Array(0);
    if (node.contents.subarray) return node.contents.subarray(0, node.usedBytes);
    // Make sure to not return excess unused bytes.
    return new Uint8Array(node.contents);
  },
  expandFileStorage(node, newCapacity) {
    var prevCapacity = node.contents ? node.contents.length : 0;
    if (prevCapacity >= newCapacity) return;
    // No need to expand, the storage was already large enough.
    // Don't expand strictly to the given requested limit if it's only a very small increase, but instead geometrically grow capacity.
    // For small filesizes (<1MB), perform size*2 geometric increase, but for large sizes, do a much more conservative size*1.125 increase to
    // avoid overshooting the allocation cap by a very large margin.
    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);
    // At minimum allocate 256b for each file when expanding.
    var oldContents = node.contents;
    node.contents = new Uint8Array(newCapacity);
    // Allocate new storage.
    if (node.usedBytes > 0) node.contents.set(oldContents.subarray(0, node.usedBytes), 0);
  },
  resizeFileStorage(node, newSize) {
    if (node.usedBytes == newSize) return;
    if (newSize == 0) {
      node.contents = null;
      // Fully decommit when requesting a resize to zero.
      node.usedBytes = 0;
    } else {
      var oldContents = node.contents;
      node.contents = new Uint8Array(newSize);
      // Allocate new storage.
      if (oldContents) {
        node.contents.set(oldContents.subarray(0, Math.min(newSize, node.usedBytes)));
      }
      node.usedBytes = newSize;
    }
  },
  node_ops: {
    getattr(node) {
      var attr = {};
      // device numbers reuse inode numbers.
      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.atime);
      attr.mtime = new Date(node.mtime);
      attr.ctime = new Date(node.ctime);
      // NOTE: In our implementation, st_blocks = Math.ceil(st_size/st_blksize),
      //       but this is not required by the standard.
      attr.blksize = 4096;
      attr.blocks = Math.ceil(attr.size / attr.blksize);
      return attr;
    },
    setattr(node, attr) {
      for (const key of [ "mode", "atime", "mtime", "ctime" ]) {
        if (attr[key] != null) {
          node[key] = attr[key];
        }
      }
      if (attr.size !== undefined) {
        MEMFS.resizeFileStorage(node, attr.size);
      }
    },
    lookup(parent, name) {
      throw new FS.ErrnoError(44);
    },
    mknod(parent, name, mode, dev) {
      return MEMFS.createNode(parent, name, mode, dev);
    },
    rename(old_node, new_dir, new_name) {
      var new_node;
      try {
        new_node = FS.lookupNode(new_dir, new_name);
      } catch (e) {}
      if (new_node) {
        if (FS.isDir(old_node.mode)) {
          // if we're overwriting a directory at new_name, make sure it's empty.
          for (var i in new_node.contents) {
            throw new FS.ErrnoError(55);
          }
        }
        FS.hashRemoveNode(new_node);
      }
      // do the internal rewiring
      delete old_node.parent.contents[old_node.name];
      new_dir.contents[new_name] = old_node;
      old_node.name = new_name;
      new_dir.ctime = new_dir.mtime = old_node.parent.ctime = old_node.parent.mtime = Date.now();
    },
    unlink(parent, name) {
      delete parent.contents[name];
      parent.ctime = parent.mtime = Date.now();
    },
    rmdir(parent, name) {
      var node = FS.lookupNode(parent, name);
      for (var i in node.contents) {
        throw new FS.ErrnoError(55);
      }
      delete parent.contents[name];
      parent.ctime = parent.mtime = Date.now();
    },
    readdir(node) {
      return [ ".", "..", ...Object.keys(node.contents) ];
    },
    symlink(parent, newname, oldpath) {
      var node = MEMFS.createNode(parent, newname, 511 | 40960, 0);
      node.link = oldpath;
      return node;
    },
    readlink(node) {
      if (!FS.isLink(node.mode)) {
        throw new FS.ErrnoError(28);
      }
      return node.link;
    }
  },
  stream_ops: {
    read(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);
      assert(size >= 0);
      if (size > 8 && contents.subarray) {
        // non-trivial, and typed array
        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(stream, buffer, offset, length, position, canOwn) {
      // The data buffer should be a typed array view
      assert(!(buffer instanceof ArrayBuffer));
      // If the buffer is located in main memory (HEAP), and if
      // memory can grow, we can't hold on to references of the
      // memory buffer, as they may get invalidated. That means we
      // need to do copy its contents.
      if (buffer.buffer === HEAP8.buffer) {
        canOwn = false;
      }
      if (!length) return 0;
      var node = stream.node;
      node.mtime = node.ctime = Date.now();
      if (buffer.subarray && (!node.contents || node.contents.subarray)) {
        // This write is from a typed array to a typed array?
        if (canOwn) {
          assert(position === 0, "canOwn must imply no weird position inside the file");
          node.contents = buffer.subarray(offset, offset + length);
          node.usedBytes = length;
          return length;
        } else if (node.usedBytes === 0 && position === 0) {
          // If this is a simple first write to an empty file, do a fast set since we don't need to care about old data.
          node.contents = buffer.slice(offset, offset + length);
          node.usedBytes = length;
          return length;
        } else if (position + length <= node.usedBytes) {
          // Writing to an already allocated and used subrange of the file?
          node.contents.set(buffer.subarray(offset, offset + length), position);
          return length;
        }
      }
      // Appending to an existing file and we need to reallocate, or source data did not come as a typed array.
      MEMFS.expandFileStorage(node, position + length);
      if (node.contents.subarray && buffer.subarray) {
        // Use typed array write which is available.
        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(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;
    },
    mmap(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;
      // Only make a new copy when MAP_PRIVATE is specified.
      if (!(flags & 2) && contents && contents.buffer === HEAP8.buffer) {
        // We can't emulate MAP_SHARED when the file is not backed by the
        // buffer we're mapping to (e.g. the HEAP buffer).
        allocated = false;
        ptr = contents.byteOffset;
      } else {
        allocated = true;
        ptr = mmapAlloc(length);
        if (!ptr) {
          throw new FS.ErrnoError(48);
        }
        if (contents) {
          // Try to avoid unnecessary slices.
          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);
            }
          }
          HEAP8.set(contents, ptr >>> 0);
        }
      }
      return {
        ptr,
        allocated
      };
    },
    msync(stream, buffer, offset, length, mmapFlags) {
      MEMFS.stream_ops.write(stream, buffer, 0, length, offset, false);
      // should we check if bytesWritten and length are the same?
      return 0;
    }
  }
};

var asyncLoad = async url => {
  var arrayBuffer = await readAsync(url);
  assert(arrayBuffer, `Loading data file "${url}" failed (no arrayBuffer).`);
  return new Uint8Array(arrayBuffer);
};

var FS_createDataFile = (...args) => FS.createDataFile(...args);

var getUniqueRunDependency = id => {
  var orig = id;
  while (1) {
    if (!runDependencyTracking[id]) return id;
    id = orig + Math.random();
  }
};

var preloadPlugins = [];

var FS_handledByPreloadPlugin = (byteArray, fullname, finish, onerror) => {
  // Ensure plugins are ready.
  if (typeof Browser != "undefined") Browser.init();
  var handled = false;
  preloadPlugins.forEach(plugin => {
    if (handled) return;
    if (plugin["canHandle"](fullname)) {
      plugin["handle"](byteArray, fullname, finish, onerror);
      handled = true;
    }
  });
  return handled;
};

var FS_createPreloadedFile = (parent, name, url, canRead, canWrite, onload, onerror, dontCreateFile, canOwn, preFinish) => {
  // TODO we should allow people to just pass in a complete filename instead
  // of parent and name being that we just join them anyways
  var fullname = name ? PATH_FS.resolve(PATH.join2(parent, name)) : parent;
  var dep = getUniqueRunDependency(`cp ${fullname}`);
  // might have several active requests for the same fullname
  function processData(byteArray) {
    function finish(byteArray) {
      preFinish?.();
      if (!dontCreateFile) {
        FS_createDataFile(parent, name, byteArray, canRead, canWrite, canOwn);
      }
      onload?.();
      removeRunDependency(dep);
    }
    if (FS_handledByPreloadPlugin(byteArray, fullname, finish, () => {
      onerror?.();
      removeRunDependency(dep);
    })) {
      return;
    }
    finish(byteArray);
  }
  addRunDependency(dep);
  if (typeof url == "string") {
    asyncLoad(url).then(processData, onerror);
  } else {
    processData(url);
  }
};

var FS_modeStringToFlags = str => {
  var flagModes = {
    "r": 0,
    "r+": 2,
    "w": 512 | 64 | 1,
    "w+": 512 | 64 | 2,
    "a": 1024 | 64 | 1,
    "a+": 1024 | 64 | 2
  };
  var flags = flagModes[str];
  if (typeof flags == "undefined") {
    throw new Error(`Unknown file open mode: ${str}`);
  }
  return flags;
};

var FS_getMode = (canRead, canWrite) => {
  var mode = 0;
  if (canRead) mode |= 292 | 73;
  if (canWrite) mode |= 146;
  return mode;
};

var strError = errno => UTF8ToString(_strerror(errno));

var 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
};

var FS = {
  root: null,
  mounts: [],
  devices: {},
  streams: [],
  nextInode: 1,
  nameTable: null,
  currentPath: "/",
  initialized: false,
  ignorePermissions: true,
  filesystems: null,
  syncFSRequests: 0,
  readFiles: {},
  ErrnoError: class extends Error {
    name="ErrnoError";
    // We set the `name` property to be able to identify `FS.ErrnoError`
    // - the `name` is a standard ECMA-262 property of error objects. Kind of good to have it anyway.
    // - when using PROXYFS, an error can come from an underlying FS
    // as different FS objects have their own FS.ErrnoError each,
    // the test `err instanceof FS.ErrnoError` won't detect an error coming from another filesystem, causing bugs.
    // we'll use the reliable test `err.name == "ErrnoError"` instead
    constructor(errno) {
      super(runtimeInitialized ? strError(errno) : "");
      this.errno = errno;
      for (var key in ERRNO_CODES) {
        if (ERRNO_CODES[key] === errno) {
          this.code = key;
          break;
        }
      }
    }
  },
  FSStream: class {
    shared={};
    get object() {
      return this.node;
    }
    set object(val) {
      this.node = val;
    }
    get isRead() {
      return (this.flags & 2097155) !== 1;
    }
    get isWrite() {
      return (this.flags & 2097155) !== 0;
    }
    get isAppend() {
      return (this.flags & 1024);
    }
    get flags() {
      return this.shared.flags;
    }
    set flags(val) {
      this.shared.flags = val;
    }
    get position() {
      return this.shared.position;
    }
    set position(val) {
      this.shared.position = val;
    }
  },
  FSNode: class {
    node_ops={};
    stream_ops={};
    readMode=292 | 73;
    writeMode=146;
    mounted=null;
    constructor(parent, name, mode, rdev) {
      if (!parent) {
        parent = this;
      }
      this.parent = parent;
      this.mount = parent.mount;
      this.id = FS.nextInode++;
      this.name = name;
      this.mode = mode;
      this.rdev = rdev;
      this.atime = this.mtime = this.ctime = Date.now();
    }
    get read() {
      return (this.mode & this.readMode) === this.readMode;
    }
    set read(val) {
      val ? this.mode |= this.readMode : this.mode &= ~this.readMode;
    }
    get write() {
      return (this.mode & this.writeMode) === this.writeMode;
    }
    set write(val) {
      val ? this.mode |= this.writeMode : this.mode &= ~this.writeMode;
    }
    get isFolder() {
      return FS.isDir(this.mode);
    }
    get isDevice() {
      return FS.isChrdev(this.mode);
    }
  },
  lookupPath(path, opts = {}) {
    if (!path) {
      throw new FS.ErrnoError(44);
    }
    opts.follow_mount ??= true;
    if (!PATH.isAbs(path)) {
      path = FS.cwd() + "/" + path;
    }
    // limit max consecutive symlinks to 40 (SYMLOOP_MAX).
    linkloop: for (var nlinks = 0; nlinks < 40; nlinks++) {
      // split the absolute path
      var parts = path.split("/").filter(p => !!p);
      // start at the root
      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) {
          // stop resolving
          break;
        }
        if (parts[i] === ".") {
          continue;
        }
        if (parts[i] === "..") {
          current_path = PATH.dirname(current_path);
          if (FS.isRoot(current)) {
            path = current_path + "/" + parts.slice(i + 1).join("/");
            // We're making progress here, don't let many consecutive ..'s
            // lead to ELOOP
            nlinks--;
            continue linkloop;
          } else {
            current = current.parent;
          }
          continue;
        }
        current_path = PATH.join2(current_path, parts[i]);
        try {
          current = FS.lookupNode(current, parts[i]);
        } catch (e) {
          // if noent_okay is true, suppress a ENOENT in the last component
          // and return an object with an undefined node. This is needed for
          // resolving symlinks in the path when creating a file.
          if ((e?.errno === 44) && islast && opts.noent_okay) {
            return {
              path: current_path
            };
          }
          throw e;
        }
        // jump to the mount's root node if this is a mountpoint
        if (FS.isMountpoint(current) && (!islast || opts.follow_mount)) {
          current = current.mounted.root;
        }
        // by default, lookupPath will not follow a symlink if it is the final path component.
        // setting opts.follow = true will override this behavior.
        if (FS.isLink(current.mode) && (!islast || opts.follow)) {
          if (!current.node_ops.readlink) {
            throw new FS.ErrnoError(52);
          }
          var link = current.node_ops.readlink(current);
          if (!PATH.isAbs(link)) {
            link = PATH.dirname(current_path) + "/" + link;
          }
          path = link + "/" + parts.slice(i + 1).join("/");
          continue linkloop;
        }
      }
      return {
        path: current_path,
        node: current
      };
    }
    throw new FS.ErrnoError(32);
  },
  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);
    }
    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;
      }
    }
    // if we failed to find it in the cache, call into the VFS
    return FS.lookup(parent, name);
  },
  createNode(parent, name, mode, rdev) {
    assert(typeof parent == "object");
    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;
  },
  flagsToPermissionString(flag) {
    var perms = [ "r", "w", "rw" ][flag & 3];
    if ((flag & 512)) {
      perms += "w";
    }
    return perms;
  },
  nodePermissions(node, perms) {
    if (FS.ignorePermissions) {
      return 0;
    }
    // return 0 if any user, group or owner bits are set.
    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) {
    if (!FS.isDir(dir.mode)) return 54;
    var errCode = FS.nodePermissions(dir, "x");
    if (errCode) return errCode;
    if (!dir.node_ops.lookup) return 2;
    return 0;
  },
  mayCreate(dir, name) {
    if (!FS.isDir(dir.mode)) {
      return 54;
    }
    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 | 64))) {
        // TODO: check for O_SEARCH? (== search for dir only)
        return 31;
      }
    }
    return FS.nodePermissions(node, FS.flagsToPermissionString(flags));
  },
  checkOpExists(op, err) {
    if (!op) {
      throw new FS.ErrnoError(err);
    }
    return op;
  },
  MAX_OPEN_FDS: 4096,
  nextfd() {
    for (var fd = 0; fd <= FS.MAX_OPEN_FDS; fd++) {
      if (!FS.streams[fd]) {
        return fd;
      }
    }
    throw new FS.ErrnoError(33);
  },
  getStreamChecked(fd) {
    var stream = FS.getStream(fd);
    if (!stream) {
      throw new FS.ErrnoError(8);
    }
    return stream;
  },
  getStream: fd => FS.streams[fd],
  createStream(stream, fd = -1) {
    assert(fd >= -1);
    // clone it, so we can return an instance of FSStream
    stream = Object.assign(new FS.FSStream, stream);
    if (fd == -1) {
      fd = FS.nextfd();
    }
    stream.fd = fd;
    FS.streams[fd] = stream;
    return stream;
  },
  closeStream(fd) {
    FS.streams[fd] = null;
  },
  dupStream(origStream, fd = -1) {
    var stream = FS.createStream(origStream, fd);
    stream.stream_ops?.dup?.(stream);
    return stream;
  },
  doSetAttr(stream, node, attr) {
    var setattr = stream?.stream_ops.setattr;
    var arg = setattr ? stream : node;
    setattr ??= node.node_ops.setattr;
    FS.checkOpExists(setattr, 63);
    setattr(arg, attr);
  },
  chrdev_stream_ops: {
    open(stream) {
      var device = FS.getDevice(stream.node.rdev);
      // override node's stream ops with the device's
      stream.stream_ops = device.stream_ops;
      // forward the open call
      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(...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) {
      assert(FS.syncFSRequests > 0);
      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);
      }
    }
    // sync all mounts
    mounts.forEach(mount => {
      if (!mount.type.syncfs) {
        return done(null);
      }
      mount.type.syncfs(mount, populate, done);
    });
  },
  mount(type, opts, mountpoint) {
    if (typeof type == "string") {
      // The filesystem was not included, and instead we have an error
      // message stored in the variable.
      throw type;
    }
    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;
      // use the absolute 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,
      opts,
      mountpoint,
      mounts: []
    };
    // create a root node for the fs
    var mountRoot = type.mount(mount);
    mountRoot.mount = mount;
    mount.root = mountRoot;
    if (root) {
      FS.root = mountRoot;
    } else if (node) {
      // set as a mountpoint
      node.mounted = mount;
      // add the new mount to the current mount's children
      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);
    }
    // destroy the nodes for this mount, and all its child mounts
    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;
      }
    });
    // no longer a mountpoint
    node.mounted = null;
    // remove this mount from the child mounts
    var idx = node.mount.mounts.indexOf(mount);
    assert(idx !== -1);
    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) {
      throw new FS.ErrnoError(28);
    }
    if (name === "." || name === "..") {
      throw new FS.ErrnoError(20);
    }
    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);
  },
  statfs(path) {
    return FS.statfsNode(FS.lookupPath(path, {
      follow: true
    }).node);
  },
  statfsStream(stream) {
    // We keep a separate statfsStream function because noderawfs overrides
    // it. In noderawfs, stream.node is sometimes null. Instead, we need to
    // look at stream.path.
    return FS.statfsNode(stream.node);
  },
  statfsNode(node) {
    // NOTE: None of the defaults here are true. We're just returning safe and
    //       sane values. Currently nodefs and rawfs replace these defaults,
    //       other file systems leave them alone.
    var rtn = {
      bsize: 4096,
      frsize: 4096,
      blocks: 1e6,
      bfree: 5e5,
      bavail: 5e5,
      files: FS.nextInode,
      ffree: FS.nextInode - 1,
      fsid: 42,
      flags: 2,
      namelen: 255
    };
    if (node.node_ops.statfs) {
      Object.assign(rtn, node.node_ops.statfs(node.mount.opts.root));
    }
    return rtn;
  },
  create(path, mode = 438) {
    mode &= 4095;
    mode |= 32768;
    return FS.mknod(path, mode, 0);
  },
  mkdir(path, mode = 511) {
    mode &= 511 | 512;
    mode |= 16384;
    return FS.mknod(path, mode, 0);
  },
  mkdirTree(path, mode) {
    var dirs = path.split("/");
    var d = "";
    for (var dir of dirs) {
      if (!dir) continue;
      if (d || PATH.isAbs(path)) d += "/";
      d += dir;
      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);
    // parents must exist
    var lookup, old_dir, new_dir;
    // let the errors from non existent directories percolate up
    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);
    // need to be part of the same mount
    if (old_dir.mount !== new_dir.mount) {
      throw new FS.ErrnoError(75);
    }
    // source must exist
    var old_node = FS.lookupNode(old_dir, old_name);
    // old path should not be an ancestor of the new path
    var relative = PATH_FS.relative(old_path, new_dirname);
    if (relative.charAt(0) !== ".") {
      throw new FS.ErrnoError(28);
    }
    // new path should not be an ancestor of the old path
    relative = PATH_FS.relative(new_path, old_dirname);
    if (relative.charAt(0) !== ".") {
      throw new FS.ErrnoError(55);
    }
    // see if the new path already exists
    var new_node;
    try {
      new_node = FS.lookupNode(new_dir, new_name);
    } catch (e) {}
    // early out if nothing needs to change
    if (old_node === new_node) {
      return;
    }
    // we'll need to delete the old entry
    var isdir = FS.isDir(old_node.mode);
    var errCode = FS.mayDelete(old_dir, old_name, isdir);
    if (errCode) {
      throw new FS.ErrnoError(errCode);
    }
    // need delete permissions if we'll be overwriting.
    // need create permissions if new doesn't already exist.
    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 we are going to change the parent, check write permissions
    if (new_dir !== old_dir) {
      errCode = FS.nodePermissions(old_dir, "w");
      if (errCode) {
        throw new FS.ErrnoError(errCode);
      }
    }
    // remove the node from the lookup hash
    FS.hashRemoveNode(old_node);
    // do the underlying fs rename
    try {
      old_dir.node_ops.rename(old_node, new_dir, new_name);
      // update old node (we do this here to avoid each backend
      // needing to)
      old_node.parent = new_dir;
    } catch (e) {
      throw e;
    } finally {
      // add the node back to the hash (in case node_ops.rename
      // changed its name)
      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;
    var readdir = FS.checkOpExists(node.node_ops.readdir, 54);
    return 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) {
      // According to POSIX, we should map EISDIR to EPERM, but
      // we instead do what Linux does (and we must, as we use
      // the musl linux libc).
      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 link.node_ops.readlink(link);
  },
  stat(path, dontFollow) {
    var lookup = FS.lookupPath(path, {
      follow: !dontFollow
    });
    var node = lookup.node;
    var getattr = FS.checkOpExists(node.node_ops.getattr, 63);
    return getattr(node);
  },
  fstat(fd) {
    var stream = FS.getStreamChecked(fd);
    var node = stream.node;
    var getattr = stream.stream_ops.getattr;
    var arg = getattr ? stream : node;
    getattr ??= node.node_ops.getattr;
    FS.checkOpExists(getattr, 63);
    return getattr(arg);
  },
  lstat(path) {
    return FS.stat(path, true);
  },
  doChmod(stream, node, mode, dontFollow) {
    FS.doSetAttr(stream, node, {
      mode: (mode & 4095) | (node.mode & ~4095),
      ctime: Date.now(),
      dontFollow
    });
  },
  chmod(path, mode, dontFollow) {
    var node;
    if (typeof path == "string") {
      var lookup = FS.lookupPath(path, {
        follow: !dontFollow
      });
      node = lookup.node;
    } else {
      node = path;
    }
    FS.doChmod(null, node, mode, dontFollow);
  },
  lchmod(path, mode) {
    FS.chmod(path, mode, true);
  },
  fchmod(fd, mode) {
    var stream = FS.getStreamChecked(fd);
    FS.doChmod(stream, stream.node, mode, false);
  },
  doChown(stream, node, dontFollow) {
    FS.doSetAttr(stream, node, {
      timestamp: Date.now(),
      dontFollow
    });
  },
  chown(path, uid, gid, dontFollow) {
    var node;
    if (typeof path == "string") {
      var lookup = FS.lookupPath(path, {
        follow: !dontFollow
      });
      node = lookup.node;
    } else {
      node = path;
    }
    FS.doChown(null, node, dontFollow);
  },
  lchown(path, uid, gid) {
    FS.chown(path, uid, gid, true);
  },
  fchown(fd, uid, gid) {
    var stream = FS.getStreamChecked(fd);
    FS.doChown(stream, stream.node, false);
  },
  doTruncate(stream, node, len) {
    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);
    }
    FS.doSetAttr(stream, node, {
      size: len,
      timestamp: Date.now()
    });
  },
  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;
    }
    FS.doTruncate(null, node, len);
  },
  ftruncate(fd, len) {
    var stream = FS.getStreamChecked(fd);
    if (len < 0 || (stream.flags & 2097155) === 0) {
      throw new FS.ErrnoError(28);
    }
    FS.doTruncate(stream, stream.node, len);
  },
  utime(path, atime, mtime) {
    var lookup = FS.lookupPath(path, {
      follow: true
    });
    var node = lookup.node;
    var setattr = FS.checkOpExists(node.node_ops.setattr, 63);
    setattr(node, {
      atime,
      mtime
    });
  },
  open(path, flags, mode = 438) {
    if (path === "") {
      throw new FS.ErrnoError(44);
    }
    flags = typeof flags == "string" ? FS_modeStringToFlags(flags) : flags;
    if ((flags & 64)) {
      mode = (mode & 4095) | 32768;
    } else {
      mode = 0;
    }
    var node;
    var isDirPath;
    if (typeof path == "object") {
      node = path;
    } else {
      isDirPath = path.endsWith("/");
      // noent_okay makes it so that if the final component of the path
      // doesn't exist, lookupPath returns `node: undefined`. `path` will be
      // updated to point to the target of all symlinks.
      var lookup = FS.lookupPath(path, {
        follow: !(flags & 131072),
        noent_okay: true
      });
      node = lookup.node;
      path = lookup.path;
    }
    // perhaps we need to create the node
    var created = false;
    if ((flags & 64)) {
      if (node) {
        // if O_CREAT and O_EXCL are set, error out if the node already exists
        if ((flags & 128)) {
          throw new FS.ErrnoError(20);
        }
      } else if (isDirPath) {
        throw new FS.ErrnoError(31);
      } else {
        // node doesn't exist, try to create it
        // Ignore the permission bits here to ensure we can `open` this new
        // file below. We use chmod below the apply the permissions once the
        // file is open.
        node = FS.mknod(path, mode | 511, 0);
        created = true;
      }
    }
    if (!node) {
      throw new FS.ErrnoError(44);
    }
    // can't truncate a device
    if (FS.isChrdev(node.mode)) {
      flags &= ~512;
    }
    // if asked only for a directory, then this must be one
    if ((flags & 65536) && !FS.isDir(node.mode)) {
      throw new FS.ErrnoError(54);
    }
    // check permissions, if this is not a file we just created now (it is ok to
    // create and write to a file with read-only permissions; it is read-only
    // for later use)
    if (!created) {
      var errCode = FS.mayOpen(node, flags);
      if (errCode) {
        throw new FS.ErrnoError(errCode);
      }
    }
    // do truncation if necessary
    if ((flags & 512) && !created) {
      FS.truncate(node, 0);
    }
    // we've already handled these, don't pass down to the underlying vfs
    flags &= ~(128 | 512 | 131072);
    // register the stream with the filesystem
    var stream = FS.createStream({
      node,
      path: FS.getPath(node),
      // we want the absolute path to the node
      flags,
      seekable: true,
      position: 0,
      stream_ops: node.stream_ops,
      // used by the file family libc calls (fopen, fwrite, ferror, etc.)
      ungotten: [],
      error: false
    });
    // call the new stream's open function
    if (stream.stream_ops.open) {
      stream.stream_ops.open(stream);
    }
    if (created) {
      FS.chmod(node, mode & 511);
    }
    if (Module["logReadFiles"] && !(flags & 1)) {
      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;
    // free readdir state
    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) {
    assert(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) {
    assert(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) {
      // seek to the end before writing in append mode
      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;
  },
  mmap(stream, length, position, prot, flags) {
    // User requests writing to file (prot & PROT_WRITE != 0).
    // Checking if we have permissions to write to the file unless
    // MAP_PRIVATE flag is set. According to POSIX spec it is possible
    // to write to file opened in read-only mode with MAP_PRIVATE flag,
    // as all modifications will be visible only in the memory of
    // the current process.
    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);
    }
    if (!length) {
      throw new FS.ErrnoError(28);
    }
    return stream.stream_ops.mmap(stream, length, position, prot, flags);
  },
  msync(stream, buffer, offset, length, mmapFlags) {
    assert(offset >= 0);
    if (!stream.stream_ops.msync) {
      return 0;
    }
    return stream.stream_ops.msync(stream, buffer, offset, length, mmapFlags);
  },
  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 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") {
      buf = UTF8ArrayToString(buf);
    }
    FS.close(stream);
    return buf;
  },
  writeFile(path, data, opts = {}) {
    opts.flags = opts.flags || 577;
    var stream = FS.open(path, opts.flags, opts.mode);
    if (typeof data == "string") {
      data = new Uint8Array(intArrayFromString(data, true));
    }
    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() {
    // create /dev
    FS.mkdir("/dev");
    // setup /dev/null
    FS.registerDevice(FS.makedev(1, 3), {
      read: () => 0,
      write: (stream, buffer, offset, length, pos) => length,
      llseek: () => 0
    });
    FS.mkdev("/dev/null", FS.makedev(1, 3));
    // setup /dev/tty and /dev/tty1
    // stderr needs to print output using err() rather than out()
    // so we register a second tty just for it.
    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));
    // setup /dev/[u]random
    // use a buffer to avoid overhead of individual crypto calls per byte
    var randomBuffer = new Uint8Array(1024), randomLeft = 0;
    var randomByte = () => {
      if (randomLeft === 0) {
        randomFill(randomBuffer);
        randomLeft = randomBuffer.byteLength;
      }
      return randomBuffer[--randomLeft];
    };
    FS.createDevice("/dev", "random", randomByte);
    FS.createDevice("/dev", "urandom", randomByte);
    // we're not going to emulate the actual shm device,
    // just create the tmp dirs that reside in it commonly
    FS.mkdir("/dev/shm");
    FS.mkdir("/dev/shm/tmp");
  },
  createSpecialDirectories() {
    // create /proc/self/fd which allows /proc/self/fd/6 => readlink gives the
    // name of the stream for fd 6 (see test_unistd_ttyname)
    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", 16895, 73);
        node.stream_ops = {
          llseek: MEMFS.stream_ops.llseek
        };
        node.node_ops = {
          lookup(parent, name) {
            var fd = +name;
            var stream = FS.getStreamChecked(fd);
            var ret = {
              parent: null,
              mount: {
                mountpoint: "fake"
              },
              node_ops: {
                readlink: () => stream.path
              },
              id: fd + 1
            };
            ret.parent = ret;
            // make it look like a simple root node
            return ret;
          },
          readdir() {
            return Array.from(FS.streams.entries()).filter(([k, v]) => v).map(([k, v]) => k.toString());
          }
        };
        return node;
      }
    }, {}, "/proc/self/fd");
  },
  createStandardStreams(input, output, error) {
    // TODO deprecate the old functionality of a single
    // input / output callback and that utilizes FS.createDevice
    // and instead require a unique set of stream ops
    // by default, we symlink the standard streams to the
    // default tty devices. however, if the standard streams
    // have been overwritten we create a unique device for
    // them instead.
    if (input) {
      FS.createDevice("/dev", "stdin", input);
    } else {
      FS.symlink("/dev/tty", "/dev/stdin");
    }
    if (output) {
      FS.createDevice("/dev", "stdout", null, output);
    } else {
      FS.symlink("/dev/tty", "/dev/stdout");
    }
    if (error) {
      FS.createDevice("/dev", "stderr", null, error);
    } else {
      FS.symlink("/dev/tty1", "/dev/stderr");
    }
    // open default streams for the stdin, stdout and stderr devices
    var stdin = FS.open("/dev/stdin", 0);
    var stdout = FS.open("/dev/stdout", 1);
    var stderr = FS.open("/dev/stderr", 1);
    assert(stdin.fd === 0, `invalid handle for stdin (${stdin.fd})`);
    assert(stdout.fd === 1, `invalid handle for stdout (${stdout.fd})`);
    assert(stderr.fd === 2, `invalid handle for stderr (${stderr.fd})`);
  },
  staticInit() {
    FS.nameTable = new Array(4096);
    FS.mount(MEMFS, {}, "/");
    FS.createDefaultDirectories();
    FS.createDefaultDevices();
    FS.createSpecialDirectories();
    FS.filesystems = {
      "MEMFS": MEMFS
    };
  },
  init(input, output, error) {
    assert(!FS.initialized, "FS.init was previously called. If you want to initialize later with custom parameters, remove any earlier calls (note that one is automatically added to the generated code)");
    FS.initialized = true;
    // Allow Module.stdin etc. to provide defaults, if none explicitly passed to us here
    input ??= Module["stdin"];
    output ??= Module["stdout"];
    error ??= Module["stderr"];
    FS.createStandardStreams(input, output, error);
  },
  quit() {
    FS.initialized = false;
    // force-flush all streams, so we get musl std streams printed out
    _fflush(0);
    // close all of our streams
    for (var stream of FS.streams) {
      if (stream) {
        FS.close(stream);
      }
    }
  },
  findObject(path, dontResolveLastLink) {
    var ret = FS.analyzePath(path, dontResolveLastLink);
    if (!ret.exists) {
      return null;
    }
    return ret.object;
  },
  analyzePath(path, dontResolveLastLink) {
    // operate from within the context of the symlink's target
    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) {
        if (e.errno != 20) throw 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;
      }
      // make sure we can write to the file
      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);
    }
  },
  createDevice(parent, name, input, output) {
    var path = PATH.join2(typeof parent == "string" ? parent : FS.getPath(parent), name);
    var mode = FS_getMode(!!input, !!output);
    FS.createDevice.major ??= 64;
    var dev = FS.makedev(FS.createDevice.major++, 0);
    // Create a fake device that a set of stream ops to emulate
    // the old behavior.
    FS.registerDevice(dev, {
      open(stream) {
        stream.seekable = false;
      },
      close(stream) {
        // flush any pending line data
        if (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.atime = 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.mtime = stream.node.ctime = 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 {
      // Command-line.
      try {
        obj.contents = readBinary(obj.url);
        obj.usedBytes = obj.contents.length;
      } catch (e) {
        throw new FS.ErrnoError(29);
      }
    }
  },
  createLazyFile(parent, name, url, canRead, canWrite) {
    // Lazy chunked Uint8Array (implements get and length from Uint8Array).
    // Actual getting is abstracted away for eventual reuse.
    class LazyUint8Array {
      lengthKnown=false;
      chunks=[];
      // Loaded chunks. Index is the chunk number
      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];
      }
      setDataGetter(getter) {
        this.getter = getter;
      }
      cacheLength() {
        // Find length
        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;
        // Chunk size in bytes
        if (!hasByteServing) chunkSize = datalength;
        // Function to get a range from the remote URL.
        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!");
          // TODO: Use mozResponseArrayBuffer, responseStream, etc. if available.
          var xhr = new XMLHttpRequest;
          xhr.open("GET", url, false);
          if (datalength !== chunkSize) xhr.setRequestHeader("Range", "bytes=" + from + "-" + to);
          // Some hints to the browser that we want binary data.
          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(/** @type{Array<number>} */ (xhr.response || []));
          }
          return intArrayFromString(xhr.responseText || "", true);
        };
        var lazyArray = this;
        lazyArray.setDataGetter(chunkNum => {
          var start = chunkNum * chunkSize;
          var end = (chunkNum + 1) * chunkSize - 1;
          // including this byte
          end = Math.min(end, datalength - 1);
          // if datalength-1 is selected, this is the last block
          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) {
          // if the server uses gzip or doesn't supply the length, we have to download the whole file to get the (uncompressed) length
          chunkSize = datalength = 1;
          // this will force getter(0)/doXHR do download the whole file
          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;
      }
      get length() {
        if (!this.lengthKnown) {
          this.cacheLength();
        }
        return this._length;
      }
      get chunkSize() {
        if (!this.lengthKnown) {
          this.cacheLength();
        }
        return this._chunkSize;
      }
    }
    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;
      var properties = {
        isDevice: false,
        contents: lazyArray
      };
    } else {
      var properties = {
        isDevice: false,
        url
      };
    }
    var node = FS.createFile(parent, name, properties, canRead, canWrite);
    // This is a total hack, but I want to get this lazy file code out of the
    // core of MEMFS. If we want to keep this lazy file concept I feel it should
    // be its own thin LAZYFS proxying calls to MEMFS.
    if (properties.contents) {
      node.contents = properties.contents;
    } else if (properties.url) {
      node.contents = null;
      node.url = properties.url;
    }
    // Add a function that defers querying the file size until it is asked the first time.
    Object.defineProperties(node, {
      usedBytes: {
        get: function() {
          return this.contents.length;
        }
      }
    });
    // override each stream op with one that tries to force load the lazy file first
    var stream_ops = {};
    var keys = Object.keys(node.stream_ops);
    keys.forEach(key => {
      var fn = node.stream_ops[key];
      stream_ops[key] = (...args) => {
        FS.forceLoadFile(node);
        return fn(...args);
      };
    });
    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);
      assert(size >= 0);
      if (contents.slice) {
        // normal array
        for (var i = 0; i < size; i++) {
          buffer[offset + i] = contents[position + i];
        }
      } else {
        for (var i = 0; i < size; i++) {
          // LazyUint8Array from sync binary XHR
          buffer[offset + i] = contents.get(position + i);
        }
      }
      return size;
    }
    // use a custom read function
    stream_ops.read = (stream, buffer, offset, length, position) => {
      FS.forceLoadFile(node);
      return writeChunks(stream, buffer, offset, length, position);
    };
    // use a custom mmap function
    stream_ops.mmap = (stream, length, position, prot, flags) => {
      FS.forceLoadFile(node);
      var ptr = mmapAlloc(length);
      if (!ptr) {
        throw new FS.ErrnoError(48);
      }
      writeChunks(stream, HEAP8, ptr, length, position);
      return {
        ptr,
        allocated: true
      };
    };
    node.stream_ops = stream_ops;
    return node;
  },
  absolutePath() {
    abort("FS.absolutePath has been removed; use PATH_FS.resolve instead");
  },
  createFolder() {
    abort("FS.createFolder has been removed; use FS.mkdir instead");
  },
  createLink() {
    abort("FS.createLink has been removed; use FS.symlink instead");
  },
  joinPath() {
    abort("FS.joinPath has been removed; use PATH.join instead");
  },
  mmapAlloc() {
    abort("FS.mmapAlloc has been replaced by the top level function mmapAlloc");
  },
  standardizePath() {
    abort("FS.standardizePath has been removed; use PATH.normalize instead");
  }
};

var SOCKFS = {
  websocketArgs: {},
  callbacks: {},
  on(event, callback) {
    SOCKFS.callbacks[event] = callback;
  },
  emit(event, param) {
    SOCKFS.callbacks[event]?.(param);
  },
  mount(mount) {
    // The incomming Module['websocket'] can be used for configuring 
    // configuring subprotocol/url, etc
    SOCKFS.websocketArgs = Module["websocket"] || {};
    // Add the Event registration mechanism to the exported websocket configuration
    // object so we can register network callbacks from native JavaScript too.
    // For more documentation see system/include/emscripten/emscripten.h
    (Module["websocket"] ??= {})["on"] = SOCKFS.on;
    return FS.createNode(null, "/", 16895, 0);
  },
  createSocket(family, type, protocol) {
    // Emscripten only supports AF_INET
    if (family != 2) {
      throw new FS.ErrnoError(5);
    }
    type &= ~526336;
    // Some applications may pass it; it makes no sense for a single process.
    // Emscripten only supports SOCK_STREAM and SOCK_DGRAM
    if (type != 1 && type != 2) {
      throw new FS.ErrnoError(28);
    }
    var streaming = type == 1;
    if (streaming && protocol && protocol != 6) {
      throw new FS.ErrnoError(66);
    }
    // create our internal socket structure
    var sock = {
      family,
      type,
      protocol,
      server: null,
      error: null,
      // Used in getsockopt for SOL_SOCKET/SO_ERROR test
      peers: {},
      pending: [],
      recv_queue: [],
      sock_ops: SOCKFS.websocket_sock_ops
    };
    // create the filesystem node to store the socket structure
    var name = SOCKFS.nextname();
    var node = FS.createNode(SOCKFS.root, name, 49152, 0);
    node.sock = sock;
    // and the wrapping stream that enables library functions such
    // as read and write to indirectly interact with the socket
    var stream = FS.createStream({
      path: name,
      node,
      flags: 2,
      seekable: false,
      stream_ops: SOCKFS.stream_ops
    });
    // map the new stream to the socket structure (sockets have a 1:1
    // relationship with a stream)
    sock.stream = stream;
    return sock;
  },
  getSocket(fd) {
    var stream = FS.getStream(fd);
    if (!stream || !FS.isSocket(stream.node.mode)) {
      return null;
    }
    return stream.node.sock;
  },
  stream_ops: {
    poll(stream) {
      var sock = stream.node.sock;
      return sock.sock_ops.poll(sock);
    },
    ioctl(stream, request, varargs) {
      var sock = stream.node.sock;
      return sock.sock_ops.ioctl(sock, request, varargs);
    },
    read(stream, buffer, offset, length, position) {
      var sock = stream.node.sock;
      var msg = sock.sock_ops.recvmsg(sock, length);
      if (!msg) {
        // socket is closed
        return 0;
      }
      buffer.set(msg.buffer, offset);
      return msg.buffer.length;
    },
    write(stream, buffer, offset, length, position) {
      var sock = stream.node.sock;
      return sock.sock_ops.sendmsg(sock, buffer, offset, length);
    },
    close(stream) {
      var sock = stream.node.sock;
      sock.sock_ops.close(sock);
    }
  },
  nextname() {
    if (!SOCKFS.nextname.current) {
      SOCKFS.nextname.current = 0;
    }
    return `socket[${SOCKFS.nextname.current++}]`;
  },
  websocket_sock_ops: {
    createPeer(sock, addr, port) {
      var ws;
      if (typeof addr == "object") {
        ws = addr;
        addr = null;
        port = null;
      }
      if (ws) {
        // for sockets that've already connected (e.g. we're the server)
        // we can inspect the _socket property for the address
        if (ws._socket) {
          addr = ws._socket.remoteAddress;
          port = ws._socket.remotePort;
        } else {
          var result = /ws[s]?:\/\/([^:]+):(\d+)/.exec(ws.url);
          if (!result) {
            throw new Error("WebSocket URL must be in the format ws(s)://address:port");
          }
          addr = result[1];
          port = parseInt(result[2], 10);
        }
      } else {
        // create the actual websocket object and connect
        try {
          // The default value is 'ws://' the replace is needed because the compiler replaces '//' comments with '#'
          // comments without checking context, so we'd end up with ws:#, the replace swaps the '#' for '//' again.
          var url = "ws://".replace("#", "//");
          // Make the WebSocket subprotocol (Sec-WebSocket-Protocol) default to binary if no configuration is set.
          var subProtocols = "binary";
          // The default value is 'binary'
          // The default WebSocket options
          var opts = undefined;
          // Fetch runtime WebSocket URL config.
          if (SOCKFS.websocketArgs["url"]) {
            url = SOCKFS.websocketArgs["url"];
          }
          // Fetch runtime WebSocket subprotocol config.
          if (SOCKFS.websocketArgs["subprotocol"]) {
            subProtocols = SOCKFS.websocketArgs["subprotocol"];
          } else if (SOCKFS.websocketArgs["subprotocol"] === null) {
            subProtocols = "null";
          }
          if (url === "ws://" || url === "wss://") {
            // Is the supplied URL config just a prefix, if so complete it.
            var parts = addr.split("/");
            url = url + parts[0] + ":" + port + "/" + parts.slice(1).join("/");
          }
          if (subProtocols !== "null") {
            // The regex trims the string (removes spaces at the beginning and end, then splits the string by
            // <any space>,<any space> into an Array. Whitespace removal is important for Websockify and ws.
            subProtocols = subProtocols.replace(/^ +| +$/g, "").split(/ *, */);
            opts = subProtocols;
          }
          // If node we use the ws library.
          var WebSocketConstructor;
          {
            WebSocketConstructor = WebSocket;
          }
          ws = new WebSocketConstructor(url, opts);
          ws.binaryType = "arraybuffer";
        } catch (e) {
          throw new FS.ErrnoError(23);
        }
      }
      var peer = {
        addr,
        port,
        socket: ws,
        msg_send_queue: []
      };
      SOCKFS.websocket_sock_ops.addPeer(sock, peer);
      SOCKFS.websocket_sock_ops.handlePeerEvents(sock, peer);
      // if this is a bound dgram socket, send the port number first to allow
      // us to override the ephemeral port reported to us by remotePort on the
      // remote end.
      if (sock.type === 2 && typeof sock.sport != "undefined") {
        peer.msg_send_queue.push(new Uint8Array([ 255, 255, 255, 255, "p".charCodeAt(0), "o".charCodeAt(0), "r".charCodeAt(0), "t".charCodeAt(0), ((sock.sport & 65280) >> 8), (sock.sport & 255) ]));
      }
      return peer;
    },
    getPeer(sock, addr, port) {
      return sock.peers[addr + ":" + port];
    },
    addPeer(sock, peer) {
      sock.peers[peer.addr + ":" + peer.port] = peer;
    },
    removePeer(sock, peer) {
      delete sock.peers[peer.addr + ":" + peer.port];
    },
    handlePeerEvents(sock, peer) {
      var first = true;
      var handleOpen = function() {
        sock.connecting = false;
        SOCKFS.emit("open", sock.stream.fd);
        try {
          var queued = peer.msg_send_queue.shift();
          while (queued) {
            peer.socket.send(queued);
            queued = peer.msg_send_queue.shift();
          }
        } catch (e) {
          // not much we can do here in the way of proper error handling as we've already
          // lied and said this data was sent. shut it down.
          peer.socket.close();
        }
      };
      function handleMessage(data) {
        if (typeof data == "string") {
          var encoder = new TextEncoder;
          // should be utf-8
          data = encoder.encode(data);
        } else {
          assert(data.byteLength !== undefined);
          // must receive an ArrayBuffer
          if (data.byteLength == 0) {
            // An empty ArrayBuffer will emit a pseudo disconnect event
            // as recv/recvmsg will return zero which indicates that a socket
            // has performed a shutdown although the connection has not been disconnected yet.
            return;
          }
          data = new Uint8Array(data);
        }
        // if this is the port message, override the peer's port with it
        var wasfirst = first;
        first = false;
        if (wasfirst && data.length === 10 && data[0] === 255 && data[1] === 255 && data[2] === 255 && data[3] === 255 && data[4] === "p".charCodeAt(0) && data[5] === "o".charCodeAt(0) && data[6] === "r".charCodeAt(0) && data[7] === "t".charCodeAt(0)) {
          // update the peer's port and it's key in the peer map
          var newport = ((data[8] << 8) | data[9]);
          SOCKFS.websocket_sock_ops.removePeer(sock, peer);
          peer.port = newport;
          SOCKFS.websocket_sock_ops.addPeer(sock, peer);
          return;
        }
        sock.recv_queue.push({
          addr: peer.addr,
          port: peer.port,
          data
        });
        SOCKFS.emit("message", sock.stream.fd);
      }
      if (ENVIRONMENT_IS_NODE) {
        peer.socket.on("open", handleOpen);
        peer.socket.on("message", function(data, isBinary) {
          if (!isBinary) {
            return;
          }
          handleMessage((new Uint8Array(data)).buffer);
        });
        peer.socket.on("close", function() {
          SOCKFS.emit("close", sock.stream.fd);
        });
        peer.socket.on("error", function(error) {
          // Although the ws library may pass errors that may be more descriptive than
          // ECONNREFUSED they are not necessarily the expected error code e.g.
          // ENOTFOUND on getaddrinfo seems to be node.js specific, so using ECONNREFUSED
          // is still probably the most useful thing to do.
          sock.error = 14;
          // Used in getsockopt for SOL_SOCKET/SO_ERROR test.
          SOCKFS.emit("error", [ sock.stream.fd, sock.error, "ECONNREFUSED: Connection refused" ]);
        });
      } else {
        peer.socket.onopen = handleOpen;
        peer.socket.onclose = function() {
          SOCKFS.emit("close", sock.stream.fd);
        };
        peer.socket.onmessage = function peer_socket_onmessage(event) {
          handleMessage(event.data);
        };
        peer.socket.onerror = function(error) {
          // The WebSocket spec only allows a 'simple event' to be thrown on error,
          // so we only really know as much as ECONNREFUSED.
          sock.error = 14;
          // Used in getsockopt for SOL_SOCKET/SO_ERROR test.
          SOCKFS.emit("error", [ sock.stream.fd, sock.error, "ECONNREFUSED: Connection refused" ]);
        };
      }
    },
    poll(sock) {
      if (sock.type === 1 && sock.server) {
        // listen sockets should only say they're available for reading
        // if there are pending clients.
        return sock.pending.length ? (64 | 1) : 0;
      }
      var mask = 0;
      var dest = sock.type === 1 ? // we only care about the socket state for connection-based sockets
      SOCKFS.websocket_sock_ops.getPeer(sock, sock.daddr, sock.dport) : null;
      if (sock.recv_queue.length || !dest || // connection-less sockets are always ready to read
      (dest && dest.socket.readyState === dest.socket.CLOSING) || (dest && dest.socket.readyState === dest.socket.CLOSED)) {
        // let recv return 0 once closed
        mask |= (64 | 1);
      }
      if (!dest || // connection-less sockets are always ready to write
      (dest && dest.socket.readyState === dest.socket.OPEN)) {
        mask |= 4;
      }
      if ((dest && dest.socket.readyState === dest.socket.CLOSING) || (dest && dest.socket.readyState === dest.socket.CLOSED)) {
        // When an non-blocking connect fails mark the socket as writable.
        // Its up to the calling code to then use getsockopt with SO_ERROR to
        // retrieve the error.
        // See https://man7.org/linux/man-pages/man2/connect.2.html
        if (sock.connecting) {
          mask |= 4;
        } else {
          mask |= 16;
        }
      }
      return mask;
    },
    ioctl(sock, request, arg) {
      switch (request) {
       case 21531:
        var bytes = 0;
        if (sock.recv_queue.length) {
          bytes = sock.recv_queue[0].data.length;
        }
        HEAP32[((arg) >>> 2) >>> 0] = bytes;
        return 0;

       case 21537:
        var on = HEAP32[((arg) >>> 2) >>> 0];
        if (on) {
          sock.stream.flags |= 2048;
        } else {
          sock.stream.flags &= ~2048;
        }
        return 0;

       default:
        return 28;
      }
    },
    close(sock) {
      // if we've spawned a listen server, close it
      if (sock.server) {
        try {
          sock.server.close();
        } catch (e) {}
        sock.server = null;
      }
      // close any peer connections
      for (var peer of Object.values(sock.peers)) {
        try {
          peer.socket.close();
        } catch (e) {}
        SOCKFS.websocket_sock_ops.removePeer(sock, peer);
      }
      return 0;
    },
    bind(sock, addr, port) {
      if (typeof sock.saddr != "undefined" || typeof sock.sport != "undefined") {
        throw new FS.ErrnoError(28);
      }
      sock.saddr = addr;
      sock.sport = port;
      // in order to emulate dgram sockets, we need to launch a listen server when
      // binding on a connection-less socket
      // note: this is only required on the server side
      if (sock.type === 2) {
        // close the existing server if it exists
        if (sock.server) {
          sock.server.close();
          sock.server = null;
        }
        // swallow error operation not supported error that occurs when binding in the
        // browser where this isn't supported
        try {
          sock.sock_ops.listen(sock, 0);
        } catch (e) {
          if (!(e.name === "ErrnoError")) throw e;
          if (e.errno !== 138) throw e;
        }
      }
    },
    connect(sock, addr, port) {
      if (sock.server) {
        throw new FS.ErrnoError(138);
      }
      // TODO autobind
      // if (!sock.addr && sock.type == 2) {
      // }
      // early out if we're already connected / in the middle of connecting
      if (typeof sock.daddr != "undefined" && typeof sock.dport != "undefined") {
        var dest = SOCKFS.websocket_sock_ops.getPeer(sock, sock.daddr, sock.dport);
        if (dest) {
          if (dest.socket.readyState === dest.socket.CONNECTING) {
            throw new FS.ErrnoError(7);
          } else {
            throw new FS.ErrnoError(30);
          }
        }
      }
      // add the socket to our peer list and set our
      // destination address / port to match
      var peer = SOCKFS.websocket_sock_ops.createPeer(sock, addr, port);
      sock.daddr = peer.addr;
      sock.dport = peer.port;
      // because we cannot synchronously block to wait for the WebSocket
      // connection to complete, we return here pretending that the connection
      // was a success.
      sock.connecting = true;
    },
    listen(sock, backlog) {
      if (!ENVIRONMENT_IS_NODE) {
        throw new FS.ErrnoError(138);
      }
    },
    accept(listensock) {
      if (!listensock.server || !listensock.pending.length) {
        throw new FS.ErrnoError(28);
      }
      var newsock = listensock.pending.shift();
      newsock.stream.flags = listensock.stream.flags;
      return newsock;
    },
    getname(sock, peer) {
      var addr, port;
      if (peer) {
        if (sock.daddr === undefined || sock.dport === undefined) {
          throw new FS.ErrnoError(53);
        }
        addr = sock.daddr;
        port = sock.dport;
      } else {
        // TODO saddr and sport will be set for bind()'d UDP sockets, but what
        // should we be returning for TCP sockets that've been connect()'d?
        addr = sock.saddr || 0;
        port = sock.sport || 0;
      }
      return {
        addr,
        port
      };
    },
    sendmsg(sock, buffer, offset, length, addr, port) {
      if (sock.type === 2) {
        // connection-less sockets will honor the message address,
        // and otherwise fall back to the bound destination address
        if (addr === undefined || port === undefined) {
          addr = sock.daddr;
          port = sock.dport;
        }
        // if there was no address to fall back to, error out
        if (addr === undefined || port === undefined) {
          throw new FS.ErrnoError(17);
        }
      } else {
        // connection-based sockets will only use the bound
        addr = sock.daddr;
        port = sock.dport;
      }
      // find the peer for the destination address
      var dest = SOCKFS.websocket_sock_ops.getPeer(sock, addr, port);
      // early out if not connected with a connection-based socket
      if (sock.type === 1) {
        if (!dest || dest.socket.readyState === dest.socket.CLOSING || dest.socket.readyState === dest.socket.CLOSED) {
          throw new FS.ErrnoError(53);
        }
      }
      // create a copy of the incoming data to send, as the WebSocket API
      // doesn't work entirely with an ArrayBufferView, it'll just send
      // the entire underlying buffer
      if (ArrayBuffer.isView(buffer)) {
        offset += buffer.byteOffset;
        buffer = buffer.buffer;
      }
      var data = buffer.slice(offset, offset + length);
      // if we don't have a cached connectionless UDP datagram connection, or
      // the TCP socket is still connecting, queue the message to be sent upon
      // connect, and lie, saying the data was sent now.
      if (!dest || dest.socket.readyState !== dest.socket.OPEN) {
        // if we're not connected, open a new connection
        if (sock.type === 2) {
          if (!dest || dest.socket.readyState === dest.socket.CLOSING || dest.socket.readyState === dest.socket.CLOSED) {
            dest = SOCKFS.websocket_sock_ops.createPeer(sock, addr, port);
          }
        }
        dest.msg_send_queue.push(data);
        return length;
      }
      try {
        // send the actual data
        dest.socket.send(data);
        return length;
      } catch (e) {
        throw new FS.ErrnoError(28);
      }
    },
    recvmsg(sock, length) {
      // http://pubs.opengroup.org/onlinepubs/7908799/xns/recvmsg.html
      if (sock.type === 1 && sock.server) {
        // tcp servers should not be recv()'ing on the listen socket
        throw new FS.ErrnoError(53);
      }
      var queued = sock.recv_queue.shift();
      if (!queued) {
        if (sock.type === 1) {
          var dest = SOCKFS.websocket_sock_ops.getPeer(sock, sock.daddr, sock.dport);
          if (!dest) {
            // if we have a destination address but are not connected, error out
            throw new FS.ErrnoError(53);
          }
          if (dest.socket.readyState === dest.socket.CLOSING || dest.socket.readyState === dest.socket.CLOSED) {
            // return null if the socket has closed
            return null;
          }
          // else, our socket is in a valid state but truly has nothing available
          throw new FS.ErrnoError(6);
        }
        throw new FS.ErrnoError(6);
      }
      // queued.data will be an ArrayBuffer if it's unadulterated, but if it's
      // requeued TCP data it'll be an ArrayBufferView
      var queuedLength = queued.data.byteLength || queued.data.length;
      var queuedOffset = queued.data.byteOffset || 0;
      var queuedBuffer = queued.data.buffer || queued.data;
      var bytesRead = Math.min(length, queuedLength);
      var res = {
        buffer: new Uint8Array(queuedBuffer, queuedOffset, bytesRead),
        addr: queued.addr,
        port: queued.port
      };
      // push back any unread data for TCP connections
      if (sock.type === 1 && bytesRead < queuedLength) {
        var bytesRemaining = queuedLength - bytesRead;
        queued.data = new Uint8Array(queuedBuffer, queuedOffset + bytesRead, bytesRemaining);
        sock.recv_queue.unshift(queued);
      }
      return res;
    }
  }
};

var getSocketFromFD = fd => {
  var socket = SOCKFS.getSocket(fd);
  if (!socket) throw new FS.ErrnoError(8);
  return socket;
};

var inetNtop4 = addr => (addr & 255) + "." + ((addr >> 8) & 255) + "." + ((addr >> 16) & 255) + "." + ((addr >> 24) & 255);

var inetNtop6 = ints => {
  //  ref:  http://www.ietf.org/rfc/rfc2373.txt - section 2.5.4
  //  Format for IPv4 compatible and mapped  128-bit IPv6 Addresses
  //  128-bits are split into eight 16-bit words
  //  stored in network byte order (big-endian)
  //  |                80 bits               | 16 |      32 bits        |
  //  +-----------------------------------------------------------------+
  //  |               10 bytes               |  2 |      4 bytes        |
  //  +--------------------------------------+--------------------------+
  //  +               5 words                |  1 |      2 words        |
  //  +--------------------------------------+--------------------------+
  //  |0000..............................0000|0000|    IPv4 ADDRESS     | (compatible)
  //  +--------------------------------------+----+---------------------+
  //  |0000..............................0000|FFFF|    IPv4 ADDRESS     | (mapped)
  //  +--------------------------------------+----+---------------------+
  var str = "";
  var word = 0;
  var longest = 0;
  var lastzero = 0;
  var zstart = 0;
  var len = 0;
  var i = 0;
  var parts = [ ints[0] & 65535, (ints[0] >> 16), ints[1] & 65535, (ints[1] >> 16), ints[2] & 65535, (ints[2] >> 16), ints[3] & 65535, (ints[3] >> 16) ];
  // Handle IPv4-compatible, IPv4-mapped, loopback and any/unspecified addresses
  var hasipv4 = true;
  var v4part = "";
  // check if the 10 high-order bytes are all zeros (first 5 words)
  for (i = 0; i < 5; i++) {
    if (parts[i] !== 0) {
      hasipv4 = false;
      break;
    }
  }
  if (hasipv4) {
    // low-order 32-bits store an IPv4 address (bytes 13 to 16) (last 2 words)
    v4part = inetNtop4(parts[6] | (parts[7] << 16));
    // IPv4-mapped IPv6 address if 16-bit value (bytes 11 and 12) == 0xFFFF (6th word)
    if (parts[5] === -1) {
      str = "::ffff:";
      str += v4part;
      return str;
    }
    // IPv4-compatible IPv6 address if 16-bit value (bytes 11 and 12) == 0x0000 (6th word)
    if (parts[5] === 0) {
      str = "::";
      //special case IPv6 addresses
      if (v4part === "0.0.0.0") v4part = "";
      // any/unspecified address
      if (v4part === "0.0.0.1") v4part = "1";
      // loopback address
      str += v4part;
      return str;
    }
  }
  // Handle all other IPv6 addresses
  // first run to find the longest contiguous zero words
  for (word = 0; word < 8; word++) {
    if (parts[word] === 0) {
      if (word - lastzero > 1) {
        len = 0;
      }
      lastzero = word;
      len++;
    }
    if (len > longest) {
      longest = len;
      zstart = word - longest + 1;
    }
  }
  for (word = 0; word < 8; word++) {
    if (longest > 1) {
      // compress contiguous zeros - to produce "::"
      if (parts[word] === 0 && word >= zstart && word < (zstart + longest)) {
        if (word === zstart) {
          str += ":";
          if (zstart === 0) str += ":";
        }
        continue;
      }
    }
    // converts 16-bit words from big-endian to little-endian before converting to hex string
    str += Number(_ntohs(parts[word] & 65535)).toString(16);
    str += word < 7 ? ":" : "";
  }
  return str;
};

var readSockaddr = (sa, salen) => {
  // family / port offsets are common to both sockaddr_in and sockaddr_in6
  var family = HEAP16[((sa) >>> 1) >>> 0];
  var port = _ntohs(HEAPU16[(((sa) + (2)) >>> 1) >>> 0]);
  var addr;
  switch (family) {
   case 2:
    if (salen !== 16) {
      return {
        errno: 28
      };
    }
    addr = HEAP32[(((sa) + (4)) >>> 2) >>> 0];
    addr = inetNtop4(addr);
    break;

   case 10:
    if (salen !== 28) {
      return {
        errno: 28
      };
    }
    addr = [ HEAP32[(((sa) + (8)) >>> 2) >>> 0], HEAP32[(((sa) + (12)) >>> 2) >>> 0], HEAP32[(((sa) + (16)) >>> 2) >>> 0], HEAP32[(((sa) + (20)) >>> 2) >>> 0] ];
    addr = inetNtop6(addr);
    break;

   default:
    return {
      errno: 5
    };
  }
  return {
    family,
    addr,
    port
  };
};

var inetPton4 = str => {
  var b = str.split(".");
  for (var i = 0; i < 4; i++) {
    var tmp = Number(b[i]);
    if (isNaN(tmp)) return null;
    b[i] = tmp;
  }
  return (b[0] | (b[1] << 8) | (b[2] << 16) | (b[3] << 24)) >>> 0;
};

var inetPton6 = str => {
  var words;
  var w, offset, z, i;
  /* http://home.deds.nl/~aeron/regex/ */ var valid6regx = /^((?=.*::)(?!.*::.+::)(::)?([\dA-F]{1,4}:(:|\b)|){5}|([\dA-F]{1,4}:){6})((([\dA-F]{1,4}((?!\3)::|:\b|$))|(?!\2\3)){2}|(((2[0-4]|1\d|[1-9])?\d|25[0-5])\.?\b){4})$/i;
  var parts = [];
  if (!valid6regx.test(str)) {
    return null;
  }
  if (str === "::") {
    return [ 0, 0, 0, 0, 0, 0, 0, 0 ];
  }
  // Z placeholder to keep track of zeros when splitting the string on ":"
  if (str.startsWith("::")) {
    str = str.replace("::", "Z:");
  } else {
    str = str.replace("::", ":Z:");
  }
  if (str.indexOf(".") > 0) {
    // parse IPv4 embedded stress
    str = str.replace(new RegExp("[.]", "g"), ":");
    words = str.split(":");
    words[words.length - 4] = Number(words[words.length - 4]) + Number(words[words.length - 3]) * 256;
    words[words.length - 3] = Number(words[words.length - 2]) + Number(words[words.length - 1]) * 256;
    words = words.slice(0, words.length - 2);
  } else {
    words = str.split(":");
  }
  offset = 0;
  z = 0;
  for (w = 0; w < words.length; w++) {
    if (typeof words[w] == "string") {
      if (words[w] === "Z") {
        // compressed zeros - write appropriate number of zero words
        for (z = 0; z < (8 - words.length + 1); z++) {
          parts[w + z] = 0;
        }
        offset = z - 1;
      } else {
        // parse hex to field to 16-bit value and write it in network byte-order
        parts[w + offset] = _htons(parseInt(words[w], 16));
      }
    } else {
      // parsed IPv4 words
      parts[w + offset] = words[w];
    }
  }
  return [ (parts[1] << 16) | parts[0], (parts[3] << 16) | parts[2], (parts[5] << 16) | parts[4], (parts[7] << 16) | parts[6] ];
};

var DNS = {
  address_map: {
    id: 1,
    addrs: {},
    names: {}
  },
  lookup_name(name) {
    // If the name is already a valid ipv4 / ipv6 address, don't generate a fake one.
    var res = inetPton4(name);
    if (res !== null) {
      return name;
    }
    res = inetPton6(name);
    if (res !== null) {
      return name;
    }
    // See if this name is already mapped.
    var addr;
    if (DNS.address_map.addrs[name]) {
      addr = DNS.address_map.addrs[name];
    } else {
      var id = DNS.address_map.id++;
      assert(id < 65535, "exceeded max address mappings of 65535");
      addr = "172.29." + (id & 255) + "." + (id & 65280);
      DNS.address_map.names[addr] = name;
      DNS.address_map.addrs[name] = addr;
    }
    return addr;
  },
  lookup_addr(addr) {
    if (DNS.address_map.names[addr]) {
      return DNS.address_map.names[addr];
    }
    return null;
  }
};

var getSocketAddress = (addrp, addrlen) => {
  var info = readSockaddr(addrp, addrlen);
  if (info.errno) throw new FS.ErrnoError(info.errno);
  info.addr = DNS.lookup_addr(info.addr) || info.addr;
  return info;
};

function ___syscall_connect(fd, addr, addrlen, d1, d2, d3) {
  addr >>>= 0;
  addrlen >>>= 0;
  try {
    var sock = getSocketFromFD(fd);
    var info = getSocketAddress(addr, addrlen);
    sock.sock_ops.connect(sock, info.addr, info.port);
    return 0;
  } catch (e) {
    if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
    return -e.errno;
  }
}

var SYSCALLS = {
  DEFAULT_POLLMASK: 5,
  calculateAt(dirfd, path, allowEmpty) {
    if (PATH.isAbs(path)) {
      return path;
    }
    // relative 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 dir + "/" + path;
  },
  writeStat(buf, stat) {
    HEAP32[((buf) >>> 2) >>> 0] = stat.dev;
    HEAP32[(((buf) + (4)) >>> 2) >>> 0] = stat.mode;
    HEAPU32[(((buf) + (8)) >>> 2) >>> 0] = stat.nlink;
    HEAP32[(((buf) + (12)) >>> 2) >>> 0] = stat.uid;
    HEAP32[(((buf) + (16)) >>> 2) >>> 0] = stat.gid;
    HEAP32[(((buf) + (20)) >>> 2) >>> 0] = stat.rdev;
    HEAP64[(((buf) + (24)) >>> 3) >>> 0] = BigInt(stat.size);
    HEAP32[(((buf) + (32)) >>> 2) >>> 0] = 4096;
    HEAP32[(((buf) + (36)) >>> 2) >>> 0] = stat.blocks;
    var atime = stat.atime.getTime();
    var mtime = stat.mtime.getTime();
    var ctime = stat.ctime.getTime();
    HEAP64[(((buf) + (40)) >>> 3) >>> 0] = BigInt(Math.floor(atime / 1e3));
    HEAPU32[(((buf) + (48)) >>> 2) >>> 0] = (atime % 1e3) * 1e3 * 1e3;
    HEAP64[(((buf) + (56)) >>> 3) >>> 0] = BigInt(Math.floor(mtime / 1e3));
    HEAPU32[(((buf) + (64)) >>> 2) >>> 0] = (mtime % 1e3) * 1e3 * 1e3;
    HEAP64[(((buf) + (72)) >>> 3) >>> 0] = BigInt(Math.floor(ctime / 1e3));
    HEAPU32[(((buf) + (80)) >>> 2) >>> 0] = (ctime % 1e3) * 1e3 * 1e3;
    HEAP64[(((buf) + (88)) >>> 3) >>> 0] = BigInt(stat.ino);
    return 0;
  },
  writeStatFs(buf, stats) {
    HEAP32[(((buf) + (4)) >>> 2) >>> 0] = stats.bsize;
    HEAP32[(((buf) + (40)) >>> 2) >>> 0] = stats.bsize;
    HEAP32[(((buf) + (8)) >>> 2) >>> 0] = stats.blocks;
    HEAP32[(((buf) + (12)) >>> 2) >>> 0] = stats.bfree;
    HEAP32[(((buf) + (16)) >>> 2) >>> 0] = stats.bavail;
    HEAP32[(((buf) + (20)) >>> 2) >>> 0] = stats.files;
    HEAP32[(((buf) + (24)) >>> 2) >>> 0] = stats.ffree;
    HEAP32[(((buf) + (28)) >>> 2) >>> 0] = stats.fsid;
    HEAP32[(((buf) + (44)) >>> 2) >>> 0] = stats.flags;
    // ST_NOSUID
    HEAP32[(((buf) + (36)) >>> 2) >>> 0] = stats.namelen;
  },
  doMsync(addr, stream, len, flags, offset) {
    if (!FS.isFile(stream.node.mode)) {
      throw new FS.ErrnoError(43);
    }
    if (flags & 2) {
      // MAP_PRIVATE calls need not to be synced back to underlying fs
      return 0;
    }
    var buffer = HEAPU8.slice(addr, addr + len);
    FS.msync(stream, buffer, offset, len, flags);
  },
  getStreamFromFD(fd) {
    var stream = FS.getStreamChecked(fd);
    return stream;
  },
  varargs: undefined,
  getStr(ptr) {
    var ret = UTF8ToString(ptr);
    return ret;
  }
};

function ___syscall_faccessat(dirfd, path, amode, flags) {
  path >>>= 0;
  try {
    path = SYSCALLS.getStr(path);
    assert(!flags || flags == 512);
    path = SYSCALLS.calculateAt(dirfd, path);
    if (amode & ~7) {
      // need a valid mode
      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.name === "ErrnoError")) throw e;
    return -e.errno;
  }
}

/** @suppress {duplicate } */ var syscallGetVarargI = () => {
  assert(SYSCALLS.varargs != undefined);
  // the `+` prepended here is necessary to convince the JSCompiler that varargs is indeed a number.
  var ret = HEAP32[((+SYSCALLS.varargs) >>> 2) >>> 0];
  SYSCALLS.varargs += 4;
  return ret;
};

var syscallGetVarargP = syscallGetVarargI;

function ___syscall_fcntl64(fd, cmd, varargs) {
  varargs >>>= 0;
  SYSCALLS.varargs = varargs;
  try {
    var stream = SYSCALLS.getStreamFromFD(fd);
    switch (cmd) {
     case 0:
      {
        var arg = syscallGetVarargI();
        if (arg < 0) {
          return -28;
        }
        while (FS.streams[arg]) {
          arg++;
        }
        var newStream;
        newStream = FS.dupStream(stream, arg);
        return newStream.fd;
      }

     case 1:
     case 2:
      return 0;

     // FD_CLOEXEC makes no sense for a single process.
      case 3:
      return stream.flags;

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

     case 12:
      {
        var arg = syscallGetVarargP();
        var offset = 0;
        // We're always unlocked.
        HEAP16[(((arg) + (offset)) >>> 1) >>> 0] = 2;
        return 0;
      }

     case 13:
     case 14:
      // Pretend that the locking is successful. These are process-level locks,
      // and Emscripten programs are a single process. If we supported linking a
      // filesystem between programs, we'd need to do more here.
      // See https://github.com/emscripten-core/emscripten/issues/23697
      return 0;
    }
    return -28;
  } catch (e) {
    if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
    return -e.errno;
  }
}

function ___syscall_fstat64(fd, buf) {
  buf >>>= 0;
  try {
    return SYSCALLS.writeStat(buf, FS.fstat(fd));
  } catch (e) {
    if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
    return -e.errno;
  }
}

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

     case 21505:
      {
        if (!stream.tty) return -59;
        if (stream.tty.ops.ioctl_tcgets) {
          var termios = stream.tty.ops.ioctl_tcgets(stream);
          var argp = syscallGetVarargP();
          HEAP32[((argp) >>> 2) >>> 0] = termios.c_iflag || 0;
          HEAP32[(((argp) + (4)) >>> 2) >>> 0] = termios.c_oflag || 0;
          HEAP32[(((argp) + (8)) >>> 2) >>> 0] = termios.c_cflag || 0;
          HEAP32[(((argp) + (12)) >>> 2) >>> 0] = termios.c_lflag || 0;
          for (var i = 0; i < 32; i++) {
            HEAP8[(argp + i) + (17) >>> 0] = termios.c_cc[i] || 0;
          }
          return 0;
        }
        return 0;
      }

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

     case 21506:
     case 21507:
     case 21508:
      {
        if (!stream.tty) return -59;
        if (stream.tty.ops.ioctl_tcsets) {
          var argp = syscallGetVarargP();
          var c_iflag = HEAP32[((argp) >>> 2) >>> 0];
          var c_oflag = HEAP32[(((argp) + (4)) >>> 2) >>> 0];
          var c_cflag = HEAP32[(((argp) + (8)) >>> 2) >>> 0];
          var c_lflag = HEAP32[(((argp) + (12)) >>> 2) >>> 0];
          var c_cc = [];
          for (var i = 0; i < 32; i++) {
            c_cc.push(HEAP8[(argp + i) + (17) >>> 0]);
          }
          return stream.tty.ops.ioctl_tcsets(stream.tty, op, {
            c_iflag,
            c_oflag,
            c_cflag,
            c_lflag,
            c_cc
          });
        }
        return 0;
      }

     case 21519:
      {
        if (!stream.tty) return -59;
        var argp = syscallGetVarargP();
        HEAP32[((argp) >>> 2) >>> 0] = 0;
        return 0;
      }

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

     case 21537:
     case 21531:
      {
        var argp = syscallGetVarargP();
        return FS.ioctl(stream, op, argp);
      }

     case 21523:
      {
        // TODO: in theory we should write to the winsize struct that gets
        // passed in, but for now musl doesn't read anything on it
        if (!stream.tty) return -59;
        if (stream.tty.ops.ioctl_tiocgwinsz) {
          var winsize = stream.tty.ops.ioctl_tiocgwinsz(stream.tty);
          var argp = syscallGetVarargP();
          HEAP16[((argp) >>> 1) >>> 0] = winsize[0];
          HEAP16[(((argp) + (2)) >>> 1) >>> 0] = winsize[1];
        }
        return 0;
      }

     case 21524:
      {
        // TODO: technically, this ioctl call should change the window size.
        // but, since emscripten doesn't have any concept of a terminal window
        // yet, we'll just silently throw it away as we do TIOCGWINSZ
        if (!stream.tty) return -59;
        return 0;
      }

     case 21515:
      {
        if (!stream.tty) return -59;
        return 0;
      }

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

function ___syscall_lstat64(path, buf) {
  path >>>= 0;
  buf >>>= 0;
  try {
    path = SYSCALLS.getStr(path);
    return SYSCALLS.writeStat(buf, FS.lstat(path));
  } catch (e) {
    if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
    return -e.errno;
  }
}

function ___syscall_newfstatat(dirfd, path, buf, flags) {
  path >>>= 0;
  buf >>>= 0;
  try {
    path = SYSCALLS.getStr(path);
    var nofollow = flags & 256;
    var allowEmpty = flags & 4096;
    flags = flags & (~6400);
    assert(!flags, `unknown flags in __syscall_newfstatat: ${flags}`);
    path = SYSCALLS.calculateAt(dirfd, path, allowEmpty);
    return SYSCALLS.writeStat(buf, nofollow ? FS.lstat(path) : FS.stat(path));
  } catch (e) {
    if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
    return -e.errno;
  }
}

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

function ___syscall_renameat(olddirfd, oldpath, newdirfd, newpath) {
  oldpath >>>= 0;
  newpath >>>= 0;
  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.name === "ErrnoError")) throw e;
    return -e.errno;
  }
}

function ___syscall_rmdir(path) {
  path >>>= 0;
  try {
    path = SYSCALLS.getStr(path);
    FS.rmdir(path);
    return 0;
  } catch (e) {
    if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
    return -e.errno;
  }
}

function ___syscall_sendto(fd, message, length, flags, addr, addr_len) {
  message >>>= 0;
  length >>>= 0;
  addr >>>= 0;
  addr_len >>>= 0;
  try {
    var sock = getSocketFromFD(fd);
    if (!addr) {
      // send, no address provided
      return FS.write(sock.stream, HEAP8, message, length);
    }
    var dest = getSocketAddress(addr, addr_len);
    // sendto an address
    return sock.sock_ops.sendmsg(sock, HEAP8, message, length, dest.addr, dest.port);
  } catch (e) {
    if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
    return -e.errno;
  }
}

function ___syscall_socket(domain, type, protocol) {
  try {
    var sock = SOCKFS.createSocket(domain, type, protocol);
    assert(sock.stream.fd < 64);
    // XXX ? select() assumes socket fd values are in 0..63
    return sock.stream.fd;
  } catch (e) {
    if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
    return -e.errno;
  }
}

function ___syscall_stat64(path, buf) {
  path >>>= 0;
  buf >>>= 0;
  try {
    path = SYSCALLS.getStr(path);
    return SYSCALLS.writeStat(buf, FS.stat(path));
  } catch (e) {
    if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
    return -e.errno;
  }
}

function ___syscall_unlinkat(dirfd, path, flags) {
  path >>>= 0;
  try {
    path = SYSCALLS.getStr(path);
    path = SYSCALLS.calculateAt(dirfd, path);
    if (!flags) {
      FS.unlink(path);
    } else if (flags === 512) {
      FS.rmdir(path);
    } else {
      return -28;
    }
    return 0;
  } catch (e) {
    if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
    return -e.errno;
  }
}

var __abort_js = () => abort("native code called abort()");

var AsciiToString = ptr => {
  ptr >>>= 0;
  var str = "";
  while (1) {
    var ch = HEAPU8[ptr++ >>> 0];
    if (!ch) return str;
    str += String.fromCharCode(ch);
  }
};

var awaitingDependencies = {};

var registeredTypes = {};

var typeDependencies = {};

var BindingError = class BindingError extends Error {
  constructor(message) {
    super(message);
    this.name = "BindingError";
  }
};

var throwBindingError = message => {
  throw new BindingError(message);
};

/** @param {Object=} options */ function sharedRegisterType(rawType, registeredInstance, options = {}) {
  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());
  }
}

/** @param {Object=} options */ function registerType(rawType, registeredInstance, options = {}) {
  return sharedRegisterType(rawType, registeredInstance, options);
}

var integerReadValueFromPointer = (name, width, signed) => {
  // integers are quite common, so generate very specialized functions
  switch (width) {
   case 1:
    return signed ? pointer => HEAP8[pointer >>> 0] : pointer => HEAPU8[pointer >>> 0];

   case 2:
    return signed ? pointer => HEAP16[((pointer) >>> 1) >>> 0] : pointer => HEAPU16[((pointer) >>> 1) >>> 0];

   case 4:
    return signed ? pointer => HEAP32[((pointer) >>> 2) >>> 0] : pointer => HEAPU32[((pointer) >>> 2) >>> 0];

   case 8:
    return signed ? pointer => HEAP64[((pointer) >>> 3) >>> 0] : pointer => HEAPU64[((pointer) >>> 3) >>> 0];

   default:
    throw new TypeError(`invalid integer width (${width}): ${name}`);
  }
};

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

var assertIntegerRange = (typeName, value, minRange, maxRange) => {
  if (value < minRange || value > maxRange) {
    throw new TypeError(`Passing a number "${embindRepr(value)}" from JS side to C/C++ side to an argument of type "${typeName}", which is outside the valid range [${minRange}, ${maxRange}]!`);
  }
};

/** @suppress {globalThis} */ var __embind_register_bigint = function(primitiveType, name, size, minRange, maxRange) {
  primitiveType >>>= 0;
  name >>>= 0;
  size >>>= 0;
  name = AsciiToString(name);
  const isUnsignedType = minRange === 0n;
  let fromWireType = value => value;
  if (isUnsignedType) {
    // uint64 get converted to int64 in ABI, fix them up like we do for 32-bit integers.
    const bitSize = size * 8;
    fromWireType = value => BigInt.asUintN(bitSize, value);
    maxRange = fromWireType(maxRange);
  }
  registerType(primitiveType, {
    name,
    fromWireType,
    toWireType: (destructors, value) => {
      if (typeof value == "number") {
        value = BigInt(value);
      } else if (typeof value != "bigint") {
        throw new TypeError(`Cannot convert "${embindRepr(value)}" to ${this.name}`);
      }
      assertIntegerRange(name, value, minRange, maxRange);
      return value;
    },
    readValueFromPointer: integerReadValueFromPointer(name, size, !isUnsignedType),
    destructorFunction: null
  });
};

/** @suppress {globalThis} */ function __embind_register_bool(rawType, name, trueValue, falseValue) {
  rawType >>>= 0;
  name >>>= 0;
  name = AsciiToString(name);
  registerType(rawType, {
    name,
    fromWireType: function(wt) {
      // ambiguous emscripten ABI: sometimes return values are
      // true or false, and sometimes integers (0 or 1)
      return !!wt;
    },
    toWireType: function(destructors, o) {
      return o ? trueValue : falseValue;
    },
    readValueFromPointer: function(pointer) {
      return this.fromWireType(HEAPU8[pointer >>> 0]);
    },
    destructorFunction: null
  });
}

var emval_freelist = [];

var emval_handles = [ 0, 1, , 1, null, 1, true, 1, false, 1 ];

function __emval_decref(handle) {
  handle >>>= 0;
  if (handle > 9 && 0 === --emval_handles[handle + 1]) {
    assert(emval_handles[handle] !== undefined, `Decref for unallocated handle.`);
    emval_handles[handle] = undefined;
    emval_freelist.push(handle);
  }
}

var Emval = {
  toValue: handle => {
    if (!handle) {
      throwBindingError(`Cannot use deleted val. handle = ${handle}`);
    }
    // handle 2 is supposed to be `undefined`.
    assert(handle === 2 || emval_handles[handle] !== undefined && handle % 2 === 0, `invalid handle: ${handle}`);
    return emval_handles[handle];
  },
  toHandle: value => {
    switch (value) {
     case undefined:
      return 2;

     case null:
      return 4;

     case true:
      return 6;

     case false:
      return 8;

     default:
      {
        const handle = emval_freelist.pop() || emval_handles.length;
        emval_handles[handle] = value;
        emval_handles[handle + 1] = 1;
        return handle;
      }
    }
  }
};

/** @suppress {globalThis} */ function readPointer(pointer) {
  return this.fromWireType(HEAPU32[((pointer) >>> 2) >>> 0]);
}

var EmValType = {
  name: "emscripten::val",
  fromWireType: handle => {
    var rv = Emval.toValue(handle);
    __emval_decref(handle);
    return rv;
  },
  toWireType: (destructors, value) => Emval.toHandle(value),
  readValueFromPointer: readPointer,
  destructorFunction: null
};

function __embind_register_emval(rawType) {
  rawType >>>= 0;
  return registerType(rawType, EmValType);
}

var floatReadValueFromPointer = (name, width) => {
  switch (width) {
   case 4:
    return function(pointer) {
      return this.fromWireType(HEAPF32[((pointer) >>> 2) >>> 0]);
    };

   case 8:
    return function(pointer) {
      return this.fromWireType(HEAPF64[((pointer) >>> 3) >>> 0]);
    };

   default:
    throw new TypeError(`invalid float width (${width}): ${name}`);
  }
};

var __embind_register_float = function(rawType, name, size) {
  rawType >>>= 0;
  name >>>= 0;
  size >>>= 0;
  name = AsciiToString(name);
  registerType(rawType, {
    name,
    fromWireType: value => value,
    toWireType: (destructors, value) => {
      if (typeof value != "number" && typeof value != "boolean") {
        throw new TypeError(`Cannot convert ${embindRepr(value)} to ${this.name}`);
      }
      // The VM will perform JS to Wasm value conversion, according to the spec:
      // https://www.w3.org/TR/wasm-js-api-1/#towebassemblyvalue
      return value;
    },
    readValueFromPointer: floatReadValueFromPointer(name, size),
    destructorFunction: null
  });
};

/** @suppress {globalThis} */ var __embind_register_integer = function(primitiveType, name, size, minRange, maxRange) {
  primitiveType >>>= 0;
  name >>>= 0;
  size >>>= 0;
  name = AsciiToString(name);
  const isUnsignedType = minRange === 0;
  let fromWireType = value => value;
  if (isUnsignedType) {
    var bitshift = 32 - 8 * size;
    fromWireType = value => (value << bitshift) >>> bitshift;
    maxRange = fromWireType(maxRange);
  }
  registerType(primitiveType, {
    name,
    fromWireType,
    toWireType: (destructors, value) => {
      if (typeof value != "number" && typeof value != "boolean") {
        throw new TypeError(`Cannot convert "${embindRepr(value)}" to ${name}`);
      }
      assertIntegerRange(name, value, minRange, maxRange);
      // The VM will perform JS to Wasm value conversion, according to the spec:
      // https://www.w3.org/TR/wasm-js-api-1/#towebassemblyvalue
      return value;
    },
    readValueFromPointer: integerReadValueFromPointer(name, size, minRange !== 0),
    destructorFunction: null
  });
};

function __embind_register_memory_view(rawType, dataTypeIndex, name) {
  rawType >>>= 0;
  name >>>= 0;
  var typeMapping = [ Int8Array, Uint8Array, Int16Array, Uint16Array, Int32Array, Uint32Array, Float32Array, Float64Array, BigInt64Array, BigUint64Array ];
  var TA = typeMapping[dataTypeIndex];
  function decodeMemoryView(handle) {
    var size = HEAPU32[((handle) >>> 2) >>> 0];
    var data = HEAPU32[(((handle) + (4)) >>> 2) >>> 0];
    return new TA(HEAP8.buffer, data, size);
  }
  name = AsciiToString(name);
  registerType(rawType, {
    name,
    fromWireType: decodeMemoryView,
    readValueFromPointer: decodeMemoryView
  }, {
    ignoreDuplicateRegistrations: true
  });
}

var stringToUTF8 = (str, outPtr, maxBytesToWrite) => {
  assert(typeof maxBytesToWrite == "number", "stringToUTF8(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!");
  return stringToUTF8Array(str, HEAPU8, outPtr, maxBytesToWrite);
};

function __embind_register_std_string(rawType, name) {
  rawType >>>= 0;
  name >>>= 0;
  name = AsciiToString(name);
  var stdStringIsUTF8 = true;
  registerType(rawType, {
    name,
    // For some method names we use string keys here since they are part of
    // the public/external API and/or used by the runtime-generated code.
    fromWireType(value) {
      var length = HEAPU32[((value) >>> 2) >>> 0];
      var payload = value + 4;
      var str;
      if (stdStringIsUTF8) {
        str = UTF8ToString(payload, length, true);
      } else {
        str = "";
        for (var i = 0; i < length; ++i) {
          str += String.fromCharCode(HEAPU8[payload + i >>> 0]);
        }
      }
      _free(value);
      return str;
    },
    toWireType(destructors, value) {
      if (value instanceof ArrayBuffer) {
        value = new Uint8Array(value);
      }
      var length;
      var valueIsOfTypeString = (typeof value == "string");
      // We accept `string` or array views with single byte elements
      if (!(valueIsOfTypeString || (ArrayBuffer.isView(value) && value.BYTES_PER_ELEMENT == 1))) {
        throwBindingError("Cannot pass non-string to std::string");
      }
      if (stdStringIsUTF8 && valueIsOfTypeString) {
        length = lengthBytesUTF8(value);
      } else {
        length = value.length;
      }
      // assumes POINTER_SIZE alignment
      var base = _malloc(4 + length + 1);
      var ptr = base + 4;
      HEAPU32[((base) >>> 2) >>> 0] = length;
      if (valueIsOfTypeString) {
        if (stdStringIsUTF8) {
          stringToUTF8(value, ptr, length + 1);
        } else {
          for (var i = 0; i < length; ++i) {
            var charCode = value.charCodeAt(i);
            if (charCode > 255) {
              _free(base);
              throwBindingError("String has UTF-16 code units that do not fit in 8 bits");
            }
            HEAPU8[ptr + i >>> 0] = charCode;
          }
        }
      } else {
        HEAPU8.set(value, ptr >>> 0);
      }
      if (destructors !== null) {
        destructors.push(_free, base);
      }
      return base;
    },
    readValueFromPointer: readPointer,
    destructorFunction(ptr) {
      _free(ptr);
    }
  });
}

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

var UTF16ToString = (ptr, maxBytesToRead, ignoreNul) => {
  assert(ptr % 2 == 0, "Pointer passed to UTF16ToString must be aligned to two bytes!");
  var idx = ((ptr) >>> 1);
  var endIdx = findStringEnd(HEAPU16, idx, maxBytesToRead / 2, ignoreNul);
  // When using conditional TextDecoder, skip it for short strings as the overhead of the native call is not worth it.
  if (endIdx - idx > 16 && UTF16Decoder) return UTF16Decoder.decode(HEAPU16.subarray(idx >>> 0, endIdx >>> 0));
  // Fallback: decode without UTF16Decoder
  var str = "";
  // If maxBytesToRead is not passed explicitly, it will be undefined, and the
  // for-loop's condition will always evaluate to true. The loop is then
  // terminated on the first null char.
  for (var i = idx; i < endIdx; ++i) {
    var codeUnit = HEAPU16[i >>> 0];
    // fromCharCode constructs a character from a UTF-16 code unit, so we can
    // pass the UTF16 string right through.
    str += String.fromCharCode(codeUnit);
  }
  return str;
};

var stringToUTF16 = (str, outPtr, maxBytesToWrite) => {
  assert(outPtr % 2 == 0, "Pointer passed to stringToUTF16 must be aligned to two bytes!");
  assert(typeof maxBytesToWrite == "number", "stringToUTF16(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!");
  // Backwards compatibility: if max bytes is not specified, assume unsafe unbounded write is allowed.
  maxBytesToWrite ??= 2147483647;
  if (maxBytesToWrite < 2) return 0;
  maxBytesToWrite -= 2;
  // Null terminator.
  var startPtr = outPtr;
  var numCharsToWrite = (maxBytesToWrite < str.length * 2) ? (maxBytesToWrite / 2) : str.length;
  for (var i = 0; i < numCharsToWrite; ++i) {
    // charCodeAt returns a UTF-16 encoded code unit, so it can be directly written to the HEAP.
    var codeUnit = str.charCodeAt(i);
    // possibly a lead surrogate
    HEAP16[((outPtr) >>> 1) >>> 0] = codeUnit;
    outPtr += 2;
  }
  // Null-terminate the pointer to the HEAP.
  HEAP16[((outPtr) >>> 1) >>> 0] = 0;
  return outPtr - startPtr;
};

var lengthBytesUTF16 = str => str.length * 2;

var UTF32ToString = (ptr, maxBytesToRead, ignoreNul) => {
  assert(ptr % 4 == 0, "Pointer passed to UTF32ToString must be aligned to four bytes!");
  var str = "";
  var startIdx = ((ptr) >>> 2);
  // If maxBytesToRead is not passed explicitly, it will be undefined, and this
  // will always evaluate to true. This saves on code size.
  for (var i = 0; !(i >= maxBytesToRead / 4); i++) {
    var utf32 = HEAPU32[startIdx + i >>> 0];
    if (!utf32 && !ignoreNul) break;
    str += String.fromCodePoint(utf32);
  }
  return str;
};

var stringToUTF32 = (str, outPtr, maxBytesToWrite) => {
  outPtr >>>= 0;
  assert(outPtr % 4 == 0, "Pointer passed to stringToUTF32 must be aligned to four bytes!");
  assert(typeof maxBytesToWrite == "number", "stringToUTF32(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!");
  // Backwards compatibility: if max bytes is not specified, assume unsafe unbounded write is allowed.
  maxBytesToWrite ??= 2147483647;
  if (maxBytesToWrite < 4) return 0;
  var startPtr = outPtr;
  var endPtr = startPtr + maxBytesToWrite - 4;
  for (var i = 0; i < str.length; ++i) {
    var codePoint = str.codePointAt(i);
    // Gotcha: if codePoint is over 0xFFFF, it is represented as a surrogate pair in UTF-16.
    // We need to manually skip over the second code unit for correct iteration.
    if (codePoint > 65535) {
      i++;
    }
    HEAP32[((outPtr) >>> 2) >>> 0] = codePoint;
    outPtr += 4;
    if (outPtr + 4 > endPtr) break;
  }
  // Null-terminate the pointer to the HEAP.
  HEAP32[((outPtr) >>> 2) >>> 0] = 0;
  return outPtr - startPtr;
};

var lengthBytesUTF32 = str => {
  var len = 0;
  for (var i = 0; i < str.length; ++i) {
    var codePoint = str.codePointAt(i);
    // Gotcha: if codePoint is over 0xFFFF, it is represented as a surrogate pair in UTF-16.
    // We need to manually skip over the second code unit for correct iteration.
    if (codePoint > 65535) {
      i++;
    }
    len += 4;
  }
  return len;
};

function __embind_register_std_wstring(rawType, charSize, name) {
  rawType >>>= 0;
  charSize >>>= 0;
  name >>>= 0;
  name = AsciiToString(name);
  var decodeString, encodeString, lengthBytesUTF;
  if (charSize === 2) {
    decodeString = UTF16ToString;
    encodeString = stringToUTF16;
    lengthBytesUTF = lengthBytesUTF16;
  } else {
    assert(charSize === 4, "only 2-byte and 4-byte strings are currently supported");
    decodeString = UTF32ToString;
    encodeString = stringToUTF32;
    lengthBytesUTF = lengthBytesUTF32;
  }
  registerType(rawType, {
    name,
    fromWireType: value => {
      // Code mostly taken from _embind_register_std_string fromWireType
      var length = HEAPU32[((value) >>> 2) >>> 0];
      var str = decodeString(value + 4, length * charSize, true);
      _free(value);
      return str;
    },
    toWireType: (destructors, value) => {
      if (!(typeof value == "string")) {
        throwBindingError(`Cannot pass non-string to C++ string type ${name}`);
      }
      // assumes POINTER_SIZE alignment
      var length = lengthBytesUTF(value);
      var ptr = _malloc(4 + length + charSize);
      HEAPU32[((ptr) >>> 2) >>> 0] = length / charSize;
      encodeString(value, ptr + 4, length + charSize);
      if (destructors !== null) {
        destructors.push(_free, ptr);
      }
      return ptr;
    },
    readValueFromPointer: readPointer,
    destructorFunction(ptr) {
      _free(ptr);
    }
  });
}

var __embind_register_void = function(rawType, name) {
  rawType >>>= 0;
  name >>>= 0;
  name = AsciiToString(name);
  registerType(rawType, {
    isVoid: true,
    // void return values can be optimized out sometimes
    name,
    fromWireType: () => undefined,
    // TODO: assert if anything else is given?
    toWireType: (destructors, o) => undefined
  });
};

var __emscripten_throw_longjmp = () => {
  throw Infinity;
};

function __gmtime_js(time, tmPtr) {
  time = bigintToI53Checked(time);
  tmPtr >>>= 0;
  var date = new Date(time * 1e3);
  HEAP32[((tmPtr) >>> 2) >>> 0] = date.getUTCSeconds();
  HEAP32[(((tmPtr) + (4)) >>> 2) >>> 0] = date.getUTCMinutes();
  HEAP32[(((tmPtr) + (8)) >>> 2) >>> 0] = date.getUTCHours();
  HEAP32[(((tmPtr) + (12)) >>> 2) >>> 0] = date.getUTCDate();
  HEAP32[(((tmPtr) + (16)) >>> 2) >>> 0] = date.getUTCMonth();
  HEAP32[(((tmPtr) + (20)) >>> 2) >>> 0] = date.getUTCFullYear() - 1900;
  HEAP32[(((tmPtr) + (24)) >>> 2) >>> 0] = date.getUTCDay();
  var start = Date.UTC(date.getUTCFullYear(), 0, 1, 0, 0, 0, 0);
  var yday = ((date.getTime() - start) / (1e3 * 60 * 60 * 24)) | 0;
  HEAP32[(((tmPtr) + (28)) >>> 2) >>> 0] = yday;
}

var isLeapYear = year => 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 ];

var ydayFromDate = date => {
  var leap = isLeapYear(date.getFullYear());
  var monthDaysCumulative = (leap ? MONTH_DAYS_LEAP_CUMULATIVE : MONTH_DAYS_REGULAR_CUMULATIVE);
  var yday = monthDaysCumulative[date.getMonth()] + date.getDate() - 1;
  // -1 since it's days since Jan 1
  return yday;
};

function __localtime_js(time, tmPtr) {
  time = bigintToI53Checked(time);
  tmPtr >>>= 0;
  var date = new Date(time * 1e3);
  HEAP32[((tmPtr) >>> 2) >>> 0] = date.getSeconds();
  HEAP32[(((tmPtr) + (4)) >>> 2) >>> 0] = date.getMinutes();
  HEAP32[(((tmPtr) + (8)) >>> 2) >>> 0] = date.getHours();
  HEAP32[(((tmPtr) + (12)) >>> 2) >>> 0] = date.getDate();
  HEAP32[(((tmPtr) + (16)) >>> 2) >>> 0] = date.getMonth();
  HEAP32[(((tmPtr) + (20)) >>> 2) >>> 0] = date.getFullYear() - 1900;
  HEAP32[(((tmPtr) + (24)) >>> 2) >>> 0] = date.getDay();
  var yday = ydayFromDate(date) | 0;
  HEAP32[(((tmPtr) + (28)) >>> 2) >>> 0] = yday;
  HEAP32[(((tmPtr) + (36)) >>> 2) >>> 0] = -(date.getTimezoneOffset() * 60);
  // Attention: DST is in December in South, and some regions don't have DST at all.
  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;
  HEAP32[(((tmPtr) + (32)) >>> 2) >>> 0] = dst;
}

var __mktime_js = function(tmPtr) {
  tmPtr >>>= 0;
  var ret = (() => {
    var date = new Date(HEAP32[(((tmPtr) + (20)) >>> 2) >>> 0] + 1900, HEAP32[(((tmPtr) + (16)) >>> 2) >>> 0], HEAP32[(((tmPtr) + (12)) >>> 2) >>> 0], HEAP32[(((tmPtr) + (8)) >>> 2) >>> 0], HEAP32[(((tmPtr) + (4)) >>> 2) >>> 0], HEAP32[((tmPtr) >>> 2) >>> 0], 0);
    // There's an ambiguous hour when the time goes back; the tm_isdst field is
    // used to disambiguate it.  Date() basically guesses, so we fix it up if it
    // guessed wrong, or fill in tm_isdst with the guess if it's -1.
    var dst = HEAP32[(((tmPtr) + (32)) >>> 2) >>> 0];
    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);
    // DST is in December in South
    if (dst < 0) {
      // Attention: some regions don't have DST at all.
      HEAP32[(((tmPtr) + (32)) >>> 2) >>> 0] = Number(summerOffset != winterOffset && dstOffset == guessedOffset);
    } else if ((dst > 0) != (dstOffset == guessedOffset)) {
      var nonDstOffset = Math.max(winterOffset, summerOffset);
      var trueOffset = dst > 0 ? dstOffset : nonDstOffset;
      // Don't try setMinutes(date.getMinutes() + ...) -- it's messed up.
      date.setTime(date.getTime() + (trueOffset - guessedOffset) * 6e4);
    }
    HEAP32[(((tmPtr) + (24)) >>> 2) >>> 0] = date.getDay();
    var yday = ydayFromDate(date) | 0;
    HEAP32[(((tmPtr) + (28)) >>> 2) >>> 0] = yday;
    // To match expected behavior, update fields from date
    HEAP32[((tmPtr) >>> 2) >>> 0] = date.getSeconds();
    HEAP32[(((tmPtr) + (4)) >>> 2) >>> 0] = date.getMinutes();
    HEAP32[(((tmPtr) + (8)) >>> 2) >>> 0] = date.getHours();
    HEAP32[(((tmPtr) + (12)) >>> 2) >>> 0] = date.getDate();
    HEAP32[(((tmPtr) + (16)) >>> 2) >>> 0] = date.getMonth();
    HEAP32[(((tmPtr) + (20)) >>> 2) >>> 0] = date.getYear();
    var timeMs = date.getTime();
    if (isNaN(timeMs)) {
      return -1;
    }
    // Return time in microseconds
    return timeMs / 1e3;
  })();
  return BigInt(ret);
};

var __tzset_js = function(timezone, daylight, std_name, dst_name) {
  timezone >>>= 0;
  daylight >>>= 0;
  std_name >>>= 0;
  dst_name >>>= 0;
  // TODO: Use (malleable) environment variables instead of system settings.
  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();
  // Local standard timezone offset. Local standard time is not adjusted for
  // daylight savings.  This code uses the fact that getTimezoneOffset returns
  // a greater value during Standard Time versus Daylight Saving Time (DST).
  // Thus it determines the expected output during Standard Time, and it
  // compares whether the output of the given date the same (Standard) or less
  // (DST).
  var stdTimezoneOffset = Math.max(winterOffset, summerOffset);
  // timezone is specified as seconds west of UTC ("The external variable
  // `timezone` shall be set to the difference, in seconds, between
  // Coordinated Universal Time (UTC) and local standard time."), the same
  // as returned by stdTimezoneOffset.
  // See http://pubs.opengroup.org/onlinepubs/009695399/functions/tzset.html
  HEAPU32[((timezone) >>> 2) >>> 0] = stdTimezoneOffset * 60;
  HEAP32[((daylight) >>> 2) >>> 0] = Number(winterOffset != summerOffset);
  var extractZone = timezoneOffset => {
    // Why inverse sign?
    // Read here https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/getTimezoneOffset
    var sign = timezoneOffset >= 0 ? "-" : "+";
    var absOffset = Math.abs(timezoneOffset);
    var hours = String(Math.floor(absOffset / 60)).padStart(2, "0");
    var minutes = String(absOffset % 60).padStart(2, "0");
    return `UTC${sign}${hours}${minutes}`;
  };
  var winterName = extractZone(winterOffset);
  var summerName = extractZone(summerOffset);
  assert(winterName);
  assert(summerName);
  assert(lengthBytesUTF8(winterName) <= 16, `timezone name truncated to fit in TZNAME_MAX (${winterName})`);
  assert(lengthBytesUTF8(summerName) <= 16, `timezone name truncated to fit in TZNAME_MAX (${summerName})`);
  if (summerOffset < winterOffset) {
    // Northern hemisphere
    stringToUTF8(winterName, std_name, 17);
    stringToUTF8(summerName, dst_name, 17);
  } else {
    stringToUTF8(winterName, dst_name, 17);
    stringToUTF8(summerName, std_name, 17);
  }
};

var _emscripten_get_now = () => performance.now();

var _emscripten_date_now = () => Date.now();

var nowIsMonotonic = 1;

var checkWasiClock = clock_id => clock_id >= 0 && clock_id <= 3;

function _clock_time_get(clk_id, ignored_precision, ptime) {
  ignored_precision = bigintToI53Checked(ignored_precision);
  ptime >>>= 0;
  if (!checkWasiClock(clk_id)) {
    return 28;
  }
  var now;
  // all wasi clocks but realtime are monotonic
  if (clk_id === 0) {
    now = _emscripten_date_now();
  } else if (nowIsMonotonic) {
    now = _emscripten_get_now();
  } else {
    return 52;
  }
  // "now" is in ms, and wasi times are in ns.
  var nsec = Math.round(now * 1e3 * 1e3);
  HEAP64[((ptime) >>> 3) >>> 0] = BigInt(nsec);
  return 0;
}

var handleException = e => {
  // Certain exception types we do not treat as errors since they are used for
  // internal control flow.
  // 1. ExitStatus, which is thrown by exit()
  // 2. "unwind", which is thrown by emscripten_unwind_to_js_event_loop() and others
  //    that wish to return to JS event loop.
  if (e instanceof ExitStatus || e == "unwind") {
    return EXITSTATUS;
  }
  checkStackCookie();
  if (e instanceof WebAssembly.RuntimeError) {
    if (_emscripten_stack_get_current() <= 0) {
      err("Stack overflow detected.  You can try increasing -sSTACK_SIZE (currently set to 65536)");
    }
  }
  quit_(1, e);
};

var runtimeKeepaliveCounter = 0;

var keepRuntimeAlive = () => noExitRuntime || runtimeKeepaliveCounter > 0;

var _proc_exit = code => {
  EXITSTATUS = code;
  if (!keepRuntimeAlive()) {
    Module["onExit"]?.(code);
    ABORT = true;
  }
  quit_(code, new ExitStatus(code));
};

/** @suppress {duplicate } */ /** @param {boolean|number=} implicit */ var exitJS = (status, implicit) => {
  EXITSTATUS = status;
  checkUnflushedContent();
  // if exit() was called explicitly, warn the user if the runtime isn't actually being shut down
  if (keepRuntimeAlive() && !implicit) {
    var msg = `program exited (with status: ${status}), but keepRuntimeAlive() is set (counter=${runtimeKeepaliveCounter}) due to an async operation, so halting execution but not exiting the runtime or preventing further async execution (you can use emscripten_force_exit, if you want to force a true shutdown)`;
    readyPromiseReject?.(msg);
    err(msg);
  }
  _proc_exit(status);
};

var _exit = exitJS;

var maybeExit = () => {
  if (!keepRuntimeAlive()) {
    try {
      _exit(EXITSTATUS);
    } catch (e) {
      handleException(e);
    }
  }
};

var callUserCallback = func => {
  if (ABORT) {
    err("user callback triggered after runtime exited or application aborted.  Ignoring.");
    return;
  }
  try {
    func();
    maybeExit();
  } catch (e) {
    handleException(e);
  }
};

function getFullscreenElement() {
  return document.fullscreenElement || document.mozFullScreenElement || document.webkitFullscreenElement || document.webkitCurrentFullScreenElement || document.msFullscreenElement;
}

/** @param {number=} timeout */ var safeSetTimeout = (func, timeout) => setTimeout(() => {
  callUserCallback(func);
}, timeout);

var Browser = {
  useWebGL: false,
  isFullscreen: false,
  pointerLock: false,
  moduleContextCreatedCallbacks: [],
  workers: [],
  preloadedImages: {},
  preloadedAudios: {},
  getCanvas: () => Module["canvas"],
  init() {
    if (Browser.initted) return;
    Browser.initted = true;
    // Support for plugins that can process preloaded files. You can add more of these to
    // your app by creating and appending to preloadPlugins.
    // Each plugin is asked if it can handle a file based on the file's name. If it can,
    // it is given the file's raw data. When it is done, it calls a callback with the file's
    // (possibly modified) data. For example, a plugin might decompress a file, or it
    // might create some side data structure for use later (like an Image element, etc.).
    var imagePlugin = {};
    imagePlugin["canHandle"] = function imagePlugin_canHandle(name) {
      return !Module["noImageDecoding"] && /\.(jpg|jpeg|png|bmp|webp)$/i.test(name);
    };
    imagePlugin["handle"] = function imagePlugin_handle(byteArray, name, onload, onerror) {
      var b = new Blob([ byteArray ], {
        type: Browser.getMimetype(name)
      });
      if (b.size !== byteArray.length) {
        // Safari bug #118630
        // Safari's Blob can only take an ArrayBuffer
        b = new Blob([ (new Uint8Array(byteArray)).buffer ], {
          type: Browser.getMimetype(name)
        });
      }
      var url = URL.createObjectURL(b);
      assert(typeof url == "string", "createObjectURL must return a url as a string");
      var img = new Image;
      img.onload = () => {
        assert(img.complete, `Image ${name} could not be decoded`);
        var canvas = /** @type {!HTMLCanvasElement} */ (document.createElement("canvas"));
        canvas.width = img.width;
        canvas.height = img.height;
        var ctx = canvas.getContext("2d");
        ctx.drawImage(img, 0, 0);
        Browser.preloadedImages[name] = canvas;
        URL.revokeObjectURL(url);
        onload?.(byteArray);
      };
      img.onerror = event => {
        err(`Image ${url} could not be decoded`);
        onerror?.();
      };
      img.src = url;
    };
    preloadPlugins.push(imagePlugin);
    var audioPlugin = {};
    audioPlugin["canHandle"] = function audioPlugin_canHandle(name) {
      return !Module["noAudioDecoding"] && name.slice(-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;
        Browser.preloadedAudios[name] = audio;
        onload?.(byteArray);
      }
      function fail() {
        if (done) return;
        done = true;
        Browser.preloadedAudios[name] = new Audio;
        // empty shim
        onerror?.();
      }
      var b = new Blob([ byteArray ], {
        type: Browser.getMimetype(name)
      });
      var url = URL.createObjectURL(b);
      // XXX we never revoke this!
      assert(typeof url == "string", "createObjectURL must return a url as a string");
      var audio = new Audio;
      audio.addEventListener("canplaythrough", () => finish(audio), false);
      // use addEventListener due to chromium bug 124926
      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.slice(-3) + ";base64," + encode64(byteArray);
        finish(audio);
      };
      audio.src = url;
      // workaround for chrome bug 124926 - we do not always get oncanplaythrough or onerror
      safeSetTimeout(() => {
        finish(audio);
      }, 1e4);
    };
    preloadPlugins.push(audioPlugin);
    // Canvas event setup
    function pointerLockChange() {
      var canvas = Browser.getCanvas();
      Browser.pointerLock = document.pointerLockElement === canvas;
    }
    var canvas = Browser.getCanvas();
    if (canvas) {
      // forced aspect ratio can be enabled by defining 'forcedAspectRatio' on Module
      // Module['forcedAspectRatio'] = 4 / 3;
      document.addEventListener("pointerlockchange", pointerLockChange, false);
      if (Module["elementPointerLock"]) {
        canvas.addEventListener("click", ev => {
          if (!Browser.pointerLock && Browser.getCanvas().requestPointerLock) {
            Browser.getCanvas().requestPointerLock();
            ev.preventDefault();
          }
        }, false);
      }
    }
  },
  createContext(/** @type {HTMLCanvasElement} */ canvas, useWebGL, setInModule, webGLContextAttributes) {
    if (useWebGL && Module["ctx"] && canvas == Browser.getCanvas()) return Module["ctx"];
    // no need to recreate GL context if it's already been created for this canvas.
    var ctx;
    var contextHandle;
    if (useWebGL) {
      // For GLES2/desktop GL compatibility, adjust a few defaults to be different to WebGL defaults, so that they align better with the desktop defaults.
      var contextAttributes = {
        antialias: false,
        alpha: false,
        majorVersion: 1
      };
      if (webGLContextAttributes) {
        for (var attribute in webGLContextAttributes) {
          contextAttributes[attribute] = webGLContextAttributes[attribute];
        }
      }
      // This check of existence of GL is here to satisfy Closure compiler, which yells if variable GL is referenced below but GL object is not
      // actually compiled in because application is not doing any GL operations. TODO: Ideally if GL is not being used, this function
      // Browser.createContext() should not even be emitted.
      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);
      Browser.useWebGL = useWebGL;
      Browser.moduleContextCreatedCallbacks.forEach(callback => callback());
      Browser.init();
    }
    return ctx;
  },
  fullscreenHandlersInstalled: false,
  lockPointer: undefined,
  resizeCanvas: undefined,
  requestFullscreen(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 = Browser.getCanvas();
    function fullscreenChange() {
      Browser.isFullscreen = false;
      var canvasContainer = canvas.parentNode;
      if (getFullscreenElement() === canvasContainer) {
        canvas.exitFullscreen = Browser.exitFullscreen;
        if (Browser.lockPointer) canvas.requestPointerLock();
        Browser.isFullscreen = true;
        if (Browser.resizeCanvas) {
          Browser.setFullscreenCanvasSize();
        } else {
          Browser.updateCanvasDimensions(canvas);
        }
      } else {
        // remove the full screen specific parent of the canvas again to restore the HTML structure from before going full screen
        canvasContainer.parentNode.insertBefore(canvas, canvasContainer);
        canvasContainer.parentNode.removeChild(canvasContainer);
        if (Browser.resizeCanvas) {
          Browser.setWindowedCanvasSize();
        } else {
          Browser.updateCanvasDimensions(canvas);
        }
      }
      Module["onFullScreen"]?.(Browser.isFullscreen);
      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);
    }
    // create a new parent to ensure the canvas has no siblings. this allows browsers to optimize full screen performance when its parent is the full screen root
    var canvasContainer = document.createElement("div");
    canvas.parentNode.insertBefore(canvasContainer, canvas);
    canvasContainer.appendChild(canvas);
    // use parent of canvas as full screen root to allow aspect ratio correction (Firefox stretches the root to screen size)
    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();
  },
  requestFullScreen() {
    abort("Module.requestFullScreen has been replaced by Module.requestFullscreen (without a capital S)");
  },
  exitFullscreen() {
    // This is workaround for chrome. Trying to exit from fullscreen
    // not in fullscreen state will cause "TypeError: Document not active"
    // in chrome. See https://github.com/emscripten-core/emscripten/pull/8236
    if (!Browser.isFullscreen) {
      return false;
    }
    var CFS = document["exitFullscreen"] || document["cancelFullScreen"] || document["mozCancelFullScreen"] || document["msExitFullscreen"] || document["webkitCancelFullScreen"] || (() => {});
    CFS.apply(document, []);
    return true;
  },
  safeSetTimeout(func, timeout) {
    // Legacy function, this is used by the SDL2 port so we need to keep it
    // around at least until that is updated.
    // See https://github.com/libsdl-org/SDL/pull/6304
    return safeSetTimeout(func, timeout);
  },
  getMimetype(name) {
    return {
      "jpg": "image/jpeg",
      "jpeg": "image/jpeg",
      "png": "image/png",
      "bmp": "image/bmp",
      "ogg": "audio/ogg",
      "wav": "audio/wav",
      "mp3": "audio/mpeg"
    }[name.slice(name.lastIndexOf(".") + 1)];
  },
  getUserMedia(func) {
    window.getUserMedia ||= navigator["getUserMedia"] || navigator["mozGetUserMedia"];
    window.getUserMedia(func);
  },
  getMovementX(event) {
    return event["movementX"] || event["mozMovementX"] || event["webkitMovementX"] || 0;
  },
  getMovementY(event) {
    return event["movementY"] || event["mozMovementY"] || event["webkitMovementY"] || 0;
  },
  getMouseWheelDelta(event) {
    var delta = 0;
    switch (event.type) {
     case "DOMMouseScroll":
      // 3 lines make up a step
      delta = event.detail / 3;
      break;

     case "mousewheel":
      // 120 units make up a step
      delta = event.wheelDelta / 120;
      break;

     case "wheel":
      delta = event.deltaY;
      switch (event.deltaMode) {
       case 0:
        // DOM_DELTA_PIXEL: 100 pixels make up a step
        delta /= 100;
        break;

       case 1:
        // DOM_DELTA_LINE: 3 lines make up a step
        delta /= 3;
        break;

       case 2:
        // DOM_DELTA_PAGE: A page makes up 80 steps
        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: {},
  calculateMouseCoords(pageX, pageY) {
    // Calculate the movement based on the changes
    // in the coordinates.
    var canvas = Browser.getCanvas();
    var rect = canvas.getBoundingClientRect();
    // Neither .scrollX or .pageXOffset are defined in a spec, but
    // we prefer .scrollX because it is currently in a spec draft.
    // (see: http://www.w3.org/TR/2013/WD-cssom-view-20131217/)
    var scrollX = ((typeof window.scrollX != "undefined") ? window.scrollX : window.pageXOffset);
    var scrollY = ((typeof window.scrollY != "undefined") ? window.scrollY : window.pageYOffset);
    // If this assert lands, it's likely because the browser doesn't support scrollX or pageXOffset
    // and we have no viable fallback.
    assert((typeof scrollX != "undefined") && (typeof scrollY != "undefined"), "Unable to retrieve scroll position, mouse positions likely broken.");
    var adjustedX = pageX - (scrollX + rect.left);
    var adjustedY = pageY - (scrollY + rect.top);
    // the canvas might be CSS-scaled compared to its backbuffer;
    // SDL-using content will want mouse coordinates in terms
    // of backbuffer units.
    adjustedX = adjustedX * (canvas.width / rect.width);
    adjustedY = adjustedY * (canvas.height / rect.height);
    return {
      x: adjustedX,
      y: adjustedY
    };
  },
  setMouseCoords(pageX, pageY) {
    const {x, y} = Browser.calculateMouseCoords(pageX, pageY);
    Browser.mouseMovementX = x - Browser.mouseX;
    Browser.mouseMovementY = y - Browser.mouseY;
    Browser.mouseX = x;
    Browser.mouseY = y;
  },
  calculateMouseEvent(event) {
    // event should be mousemove, mousedown or mouseup
    if (Browser.pointerLock) {
      // When the pointer is locked, calculate the coordinates
      // based on the movement of the mouse.
      // Workaround for Firefox bug 764498
      if (event.type != "mousemove" && ("mozMovementX" in event)) {
        Browser.mouseMovementX = Browser.mouseMovementY = 0;
      } else {
        Browser.mouseMovementX = Browser.getMovementX(event);
        Browser.mouseMovementY = Browser.getMovementY(event);
      }
      // add the mouse delta to the current absolute mouse position
      Browser.mouseX += Browser.mouseMovementX;
      Browser.mouseY += Browser.mouseMovementY;
    } else {
      if (event.type === "touchstart" || event.type === "touchend" || event.type === "touchmove") {
        var touch = event.touch;
        if (touch === undefined) {
          return;
        }
        var coords = Browser.calculateMouseCoords(touch.pageX, touch.pageY);
        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];
          last ||= coords;
          Browser.lastTouches[touch.identifier] = last;
          Browser.touches[touch.identifier] = coords;
        }
        return;
      }
      Browser.setMouseCoords(event.pageX, event.pageY);
    }
  },
  resizeListeners: [],
  updateResizeListeners() {
    var canvas = Browser.getCanvas();
    Browser.resizeListeners.forEach(listener => listener(canvas.width, canvas.height));
  },
  setCanvasSize(width, height, noUpdates) {
    var canvas = Browser.getCanvas();
    Browser.updateCanvasDimensions(canvas, width, height);
    if (!noUpdates) Browser.updateResizeListeners();
  },
  windowedWidth: 0,
  windowedHeight: 0,
  setFullscreenCanvasSize() {
    // check if SDL is available
    if (typeof SDL != "undefined") {
      var flags = HEAPU32[((SDL.screen) >>> 2) >>> 0];
      flags = flags | 8388608;
      // set SDL_FULLSCREEN flag
      HEAP32[((SDL.screen) >>> 2) >>> 0] = flags;
    }
    Browser.updateCanvasDimensions(Browser.getCanvas());
    Browser.updateResizeListeners();
  },
  setWindowedCanvasSize() {
    // check if SDL is available
    if (typeof SDL != "undefined") {
      var flags = HEAPU32[((SDL.screen) >>> 2) >>> 0];
      flags = flags & ~8388608;
      // clear SDL_FULLSCREEN flag
      HEAP32[((SDL.screen) >>> 2) >>> 0] = flags;
    }
    Browser.updateCanvasDimensions(Browser.getCanvas());
    Browser.updateResizeListeners();
  },
  updateCanvasDimensions(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"] > 0) {
      if (w / h < Module["forcedAspectRatio"]) {
        w = Math.round(h * Module["forcedAspectRatio"]);
      } else {
        h = Math.round(w / Module["forcedAspectRatio"]);
      }
    }
    if ((getFullscreenElement() === 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");
        }
      }
    }
  }
};

var EGL = {
  errorCode: 12288,
  defaultDisplayInitialized: false,
  currentContext: 0,
  currentReadSurface: 0,
  currentDrawSurface: 0,
  contextAttributes: {
    alpha: false,
    depth: false,
    stencil: false,
    antialias: false
  },
  stringCache: {},
  setErrorCode(code) {
    EGL.errorCode = code;
  },
  chooseConfig(display, attribList, config, config_size, numConfigs) {
    if (display != 62e3) {
      EGL.setErrorCode(12296);
      return 0;
    }
    if (attribList) {
      // read attribList if it is non-null
      for (;;) {
        var param = HEAP32[((attribList) >>> 2) >>> 0];
        if (param == 12321) {
          var alphaSize = HEAP32[(((attribList) + (4)) >>> 2) >>> 0];
          EGL.contextAttributes.alpha = (alphaSize > 0);
        } else if (param == 12325) {
          var depthSize = HEAP32[(((attribList) + (4)) >>> 2) >>> 0];
          EGL.contextAttributes.depth = (depthSize > 0);
        } else if (param == 12326) {
          var stencilSize = HEAP32[(((attribList) + (4)) >>> 2) >>> 0];
          EGL.contextAttributes.stencil = (stencilSize > 0);
        } else if (param == 12337) {
          var samples = HEAP32[(((attribList) + (4)) >>> 2) >>> 0];
          EGL.contextAttributes.antialias = (samples > 0);
        } else if (param == 12338) {
          var samples = HEAP32[(((attribList) + (4)) >>> 2) >>> 0];
          EGL.contextAttributes.antialias = (samples == 1);
        } else if (param == 12544) {
          var requestedPriority = HEAP32[(((attribList) + (4)) >>> 2) >>> 0];
          EGL.contextAttributes.lowLatency = (requestedPriority != 12547);
        } else if (param == 12344) {
          break;
        }
        attribList += 8;
      }
    }
    if ((!config || !config_size) && !numConfigs) {
      EGL.setErrorCode(12300);
      return 0;
    }
    if (numConfigs) {
      HEAP32[((numConfigs) >>> 2) >>> 0] = 1;
    }
    if (config && config_size > 0) {
      HEAPU32[((config) >>> 2) >>> 0] = 62002;
    }
    EGL.setErrorCode(12288);
    return 1;
  }
};

var _eglBindAPI = api => {
  if (api == 12448) {
    EGL.setErrorCode(12288);
    return 1;
  }
  // if (api == 0x30A1 /* EGL_OPENVG_API */ || api == 0x30A2 /* EGL_OPENGL_API */) {
  EGL.setErrorCode(12300);
  return 0;
};

function _eglChooseConfig(display, attrib_list, configs, config_size, numConfigs) {
  display >>>= 0;
  attrib_list >>>= 0;
  configs >>>= 0;
  numConfigs >>>= 0;
  return EGL.chooseConfig(display, attrib_list, configs, config_size, numConfigs);
}

var GLctx;

var webgl_enable_ANGLE_instanced_arrays = ctx => {
  // Extension available in WebGL 1 from Firefox 26 and Google Chrome 30 onwards. Core feature in WebGL 2.
  var ext = ctx.getExtension("ANGLE_instanced_arrays");
  // Because this extension is a core function in WebGL 2, assign the extension entry points in place of
  // where the core functions will reside in WebGL 2. This way the calling code can call these without
  // having to dynamically branch depending if running against WebGL 1 or WebGL 2.
  if (ext) {
    ctx["vertexAttribDivisor"] = (index, divisor) => ext["vertexAttribDivisorANGLE"](index, divisor);
    ctx["drawArraysInstanced"] = (mode, first, count, primcount) => ext["drawArraysInstancedANGLE"](mode, first, count, primcount);
    ctx["drawElementsInstanced"] = (mode, count, type, indices, primcount) => ext["drawElementsInstancedANGLE"](mode, count, type, indices, primcount);
    return 1;
  }
};

var webgl_enable_OES_vertex_array_object = ctx => {
  // Extension available in WebGL 1 from Firefox 25 and WebKit 536.28/desktop Safari 6.0.3 onwards. Core feature in WebGL 2.
  var ext = ctx.getExtension("OES_vertex_array_object");
  if (ext) {
    ctx["createVertexArray"] = () => ext["createVertexArrayOES"]();
    ctx["deleteVertexArray"] = vao => ext["deleteVertexArrayOES"](vao);
    ctx["bindVertexArray"] = vao => ext["bindVertexArrayOES"](vao);
    ctx["isVertexArray"] = vao => ext["isVertexArrayOES"](vao);
    return 1;
  }
};

var webgl_enable_WEBGL_draw_buffers = ctx => {
  // Extension available in WebGL 1 from Firefox 28 onwards. Core feature in WebGL 2.
  var ext = ctx.getExtension("WEBGL_draw_buffers");
  if (ext) {
    ctx["drawBuffers"] = (n, bufs) => ext["drawBuffersWEBGL"](n, bufs);
    return 1;
  }
};

var webgl_enable_EXT_polygon_offset_clamp = ctx => !!(ctx.extPolygonOffsetClamp = ctx.getExtension("EXT_polygon_offset_clamp"));

var webgl_enable_EXT_clip_control = ctx => !!(ctx.extClipControl = ctx.getExtension("EXT_clip_control"));

var webgl_enable_WEBGL_polygon_mode = ctx => !!(ctx.webglPolygonMode = ctx.getExtension("WEBGL_polygon_mode"));

var webgl_enable_WEBGL_multi_draw = ctx => // Closure is expected to be allowed to minify the '.multiDrawWebgl' property, so not accessing it quoted.
!!(ctx.multiDrawWebgl = ctx.getExtension("WEBGL_multi_draw"));

var getEmscriptenSupportedExtensions = ctx => {
  // Restrict the list of advertised extensions to those that we actually
  // support.
  var supportedExtensions = [ // WebGL 1 extensions
  "ANGLE_instanced_arrays", "EXT_blend_minmax", "EXT_disjoint_timer_query", "EXT_frag_depth", "EXT_shader_texture_lod", "EXT_sRGB", "OES_element_index_uint", "OES_fbo_render_mipmap", "OES_standard_derivatives", "OES_texture_float", "OES_texture_half_float", "OES_texture_half_float_linear", "OES_vertex_array_object", "WEBGL_color_buffer_float", "WEBGL_depth_texture", "WEBGL_draw_buffers", // WebGL 1 and WebGL 2 extensions
  "EXT_clip_control", "EXT_color_buffer_half_float", "EXT_depth_clamp", "EXT_float_blend", "EXT_polygon_offset_clamp", "EXT_texture_compression_bptc", "EXT_texture_compression_rgtc", "EXT_texture_filter_anisotropic", "KHR_parallel_shader_compile", "OES_texture_float_linear", "WEBGL_blend_func_extended", "WEBGL_compressed_texture_astc", "WEBGL_compressed_texture_etc", "WEBGL_compressed_texture_etc1", "WEBGL_compressed_texture_s3tc", "WEBGL_compressed_texture_s3tc_srgb", "WEBGL_debug_renderer_info", "WEBGL_debug_shaders", "WEBGL_lose_context", "WEBGL_multi_draw", "WEBGL_polygon_mode" ];
  // .getSupportedExtensions() can return null if context is lost, so coerce to empty array.
  return (ctx.getSupportedExtensions() || []).filter(ext => supportedExtensions.includes(ext));
};

var GL = {
  counter: 1,
  buffers: [],
  programs: [],
  framebuffers: [],
  renderbuffers: [],
  textures: [],
  shaders: [],
  vaos: [],
  contexts: [],
  offscreenCanvases: {},
  queries: [],
  stringCache: {},
  unpackAlignment: 4,
  unpackRowLength: 0,
  recordError: errorCode => {
    if (!GL.lastError) {
      GL.lastError = errorCode;
    }
  },
  getNewId: table => {
    var ret = GL.counter++;
    for (var i = table.length; i < ret; i++) {
      table[i] = null;
    }
    return ret;
  },
  genObject: (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);
      }
      HEAP32[(((buffers) + (i * 4)) >>> 2) >>> 0] = id;
    }
  },
  getSource: (shader, count, string, length) => {
    var source = "";
    for (var i = 0; i < count; ++i) {
      var len = length ? HEAPU32[(((length) + (i * 4)) >>> 2) >>> 0] : undefined;
      source += UTF8ToString(HEAPU32[(((string) + (i * 4)) >>> 2) >>> 0], len);
    }
    return source;
  },
  createContext: (/** @type {HTMLCanvasElement} */ canvas, webGLContextAttributes) => {
    // BUG: Workaround Safari WebGL issue: After successfully acquiring WebGL
    // context on a canvas, calling .getContext() will always return that
    // context independent of which 'webgl' or 'webgl2'
    // context version was passed. See:
    //   https://bugs.webkit.org/show_bug.cgi?id=222758
    // and:
    //   https://github.com/emscripten-core/emscripten/issues/13295.
    // TODO: Once the bug is fixed and shipped in Safari, adjust the Safari
    // version field in above check.
    if (!canvas.getContextSafariWebGL2Fixed) {
      canvas.getContextSafariWebGL2Fixed = canvas.getContext;
      /** @type {function(this:HTMLCanvasElement, string, (Object|null)=): (Object|null)} */ 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("webgl", webGLContextAttributes);
    if (!ctx) return 0;
    var handle = GL.registerContext(ctx, webGLContextAttributes);
    return handle;
  },
  registerContext: (ctx, webGLContextAttributes) => {
    // without pthreads a context is just an integer ID
    var handle = GL.getNewId(GL.contexts);
    var context = {
      handle,
      attributes: webGLContextAttributes,
      version: webGLContextAttributes.majorVersion,
      GLctx: ctx
    };
    // Store the created context object so that we can access the context
    // given a canvas without having to pass the parameters again.
    if (ctx.canvas) ctx.canvas.GLctxObject = context;
    GL.contexts[handle] = context;
    if (typeof webGLContextAttributes.enableExtensionsByDefault == "undefined" || webGLContextAttributes.enableExtensionsByDefault) {
      GL.initExtensions(context);
    }
    return handle;
  },
  makeContextCurrent: contextHandle => {
    // Active Emscripten GL layer context object.
    GL.currentContext = GL.contexts[contextHandle];
    // Active WebGL context object.
    Module["ctx"] = GLctx = GL.currentContext?.GLctx;
    return !(contextHandle && !GLctx);
  },
  getContext: contextHandle => GL.contexts[contextHandle],
  deleteContext: contextHandle => {
    if (GL.currentContext === GL.contexts[contextHandle]) {
      GL.currentContext = null;
    }
    if (typeof JSEvents == "object") {
      // Release all JS event handlers on the DOM element that the GL context is
      // associated with since the context is now deleted.
      JSEvents.removeAllHandlersOnTarget(GL.contexts[contextHandle].GLctx.canvas);
    }
    // Make sure the canvas object no longer refers to the context object so
    // there are no GC surprises.
    if (GL.contexts[contextHandle]?.GLctx.canvas) {
      GL.contexts[contextHandle].GLctx.canvas.GLctxObject = undefined;
    }
    GL.contexts[contextHandle] = null;
  },
  initExtensions: context => {
    // If this function is called without a specific context object, init the
    // extensions of the currently active context.
    context ||= GL.currentContext;
    if (context.initExtensionsDone) return;
    context.initExtensionsDone = true;
    var GLctx = context.GLctx;
    // Detect the presence of a few extensions manually, ction GL interop
    // layer itself will need to know if they exist.
    // Extensions that are available in both WebGL 1 and WebGL 2
    webgl_enable_WEBGL_multi_draw(GLctx);
    webgl_enable_EXT_polygon_offset_clamp(GLctx);
    webgl_enable_EXT_clip_control(GLctx);
    webgl_enable_WEBGL_polygon_mode(GLctx);
    // Extensions that are only available in WebGL 1 (the calls will be no-ops
    // if called on a WebGL 2 context active)
    webgl_enable_ANGLE_instanced_arrays(GLctx);
    webgl_enable_OES_vertex_array_object(GLctx);
    webgl_enable_WEBGL_draw_buffers(GLctx);
    {
      GLctx.disjointTimerQueryExt = GLctx.getExtension("EXT_disjoint_timer_query");
    }
    getEmscriptenSupportedExtensions(GLctx).forEach(ext => {
      // WEBGL_lose_context, WEBGL_debug_renderer_info and WEBGL_debug_shaders
      // are not enabled by default.
      if (!ext.includes("lose_context") && !ext.includes("debug")) {
        // Call .getExtension() to enable that extension permanently.
        GLctx.getExtension(ext);
      }
    });
  }
};

function _eglCreateContext(display, config, hmm, contextAttribs) {
  display >>>= 0;
  config >>>= 0;
  hmm >>>= 0;
  contextAttribs >>>= 0;
  if (display != 62e3) {
    EGL.setErrorCode(12296);
    return 0;
  }
  // EGL 1.4 spec says default EGL_CONTEXT_CLIENT_VERSION is GLES1, but this is not supported by Emscripten.
  // So user must pass EGL_CONTEXT_CLIENT_VERSION == 2 to initialize EGL.
  var glesContextVersion = 1;
  for (;;) {
    var param = HEAP32[((contextAttribs) >>> 2) >>> 0];
    if (param == 12440) {
      glesContextVersion = HEAP32[(((contextAttribs) + (4)) >>> 2) >>> 0];
    } else if (param == 12344) {
      break;
    } else {
      /* EGL1.4 specifies only EGL_CONTEXT_CLIENT_VERSION as supported attribute */ EGL.setErrorCode(12292);
      return 0;
    }
    contextAttribs += 8;
  }
  if (glesContextVersion != 2) {
    EGL.setErrorCode(12293);
    return 0;
  }
  EGL.contextAttributes.majorVersion = glesContextVersion - 1;
  // WebGL 1 is GLES 2, WebGL2 is GLES3
  EGL.contextAttributes.minorVersion = 0;
  EGL.context = GL.createContext(Browser.getCanvas(), EGL.contextAttributes);
  if (EGL.context != 0) {
    EGL.setErrorCode(12288);
    // Run callbacks so that GL emulation works
    GL.makeContextCurrent(EGL.context);
    Browser.useWebGL = true;
    Browser.moduleContextCreatedCallbacks.forEach(callback => callback());
    // Note: This function only creates a context, but it shall not make it active.
    GL.makeContextCurrent(null);
    return 62004;
  } else {
    EGL.setErrorCode(12297);
    // By the EGL 1.4 spec, an implementation that does not support GLES2 (WebGL in this case), this error code is set.
    return 0;
  }
}

function _eglCreateWindowSurface(display, config, win, attrib_list) {
  display >>>= 0;
  config >>>= 0;
  attrib_list >>>= 0;
  if (display != 62e3) {
    EGL.setErrorCode(12296);
    return 0;
  }
  if (config != 62002) {
    EGL.setErrorCode(12293);
    return 0;
  }
  // TODO: Examine attrib_list! Parameters that can be present there are:
  // - EGL_RENDER_BUFFER (must be EGL_BACK_BUFFER)
  // - EGL_VG_COLORSPACE (can't be set)
  // - EGL_VG_ALPHA_FORMAT (can't be set)
  EGL.setErrorCode(12288);
  return 62006;
}

function _eglDestroyContext(display, context) {
  display >>>= 0;
  context >>>= 0;
  if (display != 62e3) {
    EGL.setErrorCode(12296);
    return 0;
  }
  if (context != 62004) {
    EGL.setErrorCode(12294);
    return 0;
  }
  GL.deleteContext(EGL.context);
  EGL.setErrorCode(12288);
  if (EGL.currentContext == context) {
    EGL.currentContext = 0;
  }
  return 1;
}

function _eglDestroySurface(display, surface) {
  display >>>= 0;
  surface >>>= 0;
  if (display != 62e3) {
    EGL.setErrorCode(12296);
    return 0;
  }
  if (surface != 62006) {
    EGL.setErrorCode(12301);
    return 1;
  }
  if (EGL.currentReadSurface == surface) {
    EGL.currentReadSurface = 0;
  }
  if (EGL.currentDrawSurface == surface) {
    EGL.currentDrawSurface = 0;
  }
  EGL.setErrorCode(12288);
  return 1;
}

function _eglGetConfigAttrib(display, config, attribute, value) {
  display >>>= 0;
  config >>>= 0;
  value >>>= 0;
  if (display != 62e3) {
    EGL.setErrorCode(12296);
    return 0;
  }
  if (config != 62002) {
    EGL.setErrorCode(12293);
    return 0;
  }
  if (!value) {
    EGL.setErrorCode(12300);
    return 0;
  }
  EGL.setErrorCode(12288);
  switch (attribute) {
   case 12320:
    // EGL_BUFFER_SIZE
    HEAP32[((value) >>> 2) >>> 0] = EGL.contextAttributes.alpha ? 32 : 24;
    return 1;

   case 12321:
    // EGL_ALPHA_SIZE
    HEAP32[((value) >>> 2) >>> 0] = EGL.contextAttributes.alpha ? 8 : 0;
    return 1;

   case 12322:
    // EGL_BLUE_SIZE
    HEAP32[((value) >>> 2) >>> 0] = 8;
    return 1;

   case 12323:
    // EGL_GREEN_SIZE
    HEAP32[((value) >>> 2) >>> 0] = 8;
    return 1;

   case 12324:
    // EGL_RED_SIZE
    HEAP32[((value) >>> 2) >>> 0] = 8;
    return 1;

   case 12325:
    // EGL_DEPTH_SIZE
    HEAP32[((value) >>> 2) >>> 0] = EGL.contextAttributes.depth ? 24 : 0;
    return 1;

   case 12326:
    // EGL_STENCIL_SIZE
    HEAP32[((value) >>> 2) >>> 0] = EGL.contextAttributes.stencil ? 8 : 0;
    return 1;

   case 12327:
    // EGL_CONFIG_CAVEAT
    // We can return here one of EGL_NONE (0x3038), EGL_SLOW_CONFIG (0x3050) or EGL_NON_CONFORMANT_CONFIG (0x3051).
    HEAP32[((value) >>> 2) >>> 0] = 12344;
    return 1;

   case 12328:
    // EGL_CONFIG_ID
    HEAP32[((value) >>> 2) >>> 0] = 62002;
    return 1;

   case 12329:
    // EGL_LEVEL
    HEAP32[((value) >>> 2) >>> 0] = 0;
    return 1;

   case 12330:
    // EGL_MAX_PBUFFER_HEIGHT
    HEAP32[((value) >>> 2) >>> 0] = 4096;
    return 1;

   case 12331:
    // EGL_MAX_PBUFFER_PIXELS
    HEAP32[((value) >>> 2) >>> 0] = 16777216;
    return 1;

   case 12332:
    // EGL_MAX_PBUFFER_WIDTH
    HEAP32[((value) >>> 2) >>> 0] = 4096;
    return 1;

   case 12333:
    // EGL_NATIVE_RENDERABLE
    HEAP32[((value) >>> 2) >>> 0] = 0;
    return 1;

   case 12334:
    // EGL_NATIVE_VISUAL_ID
    HEAP32[((value) >>> 2) >>> 0] = 0;
    return 1;

   case 12335:
    // EGL_NATIVE_VISUAL_TYPE
    HEAP32[((value) >>> 2) >>> 0] = 12344;
    return 1;

   case 12337:
    // EGL_SAMPLES
    HEAP32[((value) >>> 2) >>> 0] = EGL.contextAttributes.antialias ? 4 : 0;
    return 1;

   case 12338:
    // EGL_SAMPLE_BUFFERS
    HEAP32[((value) >>> 2) >>> 0] = EGL.contextAttributes.antialias ? 1 : 0;
    return 1;

   case 12339:
    // EGL_SURFACE_TYPE
    HEAP32[((value) >>> 2) >>> 0] = 4;
    return 1;

   case 12340:
    // EGL_TRANSPARENT_TYPE
    // If this returns EGL_TRANSPARENT_RGB (0x3052), transparency is used through color-keying. No such thing applies to Emscripten canvas.
    HEAP32[((value) >>> 2) >>> 0] = 12344;
    return 1;

   case 12341:
   // EGL_TRANSPARENT_BLUE_VALUE
    case 12342:
   // EGL_TRANSPARENT_GREEN_VALUE
    case 12343:
    // EGL_TRANSPARENT_RED_VALUE
    // "If EGL_TRANSPARENT_TYPE is EGL_NONE, then the values for EGL_TRANSPARENT_RED_VALUE, EGL_TRANSPARENT_GREEN_VALUE, and EGL_TRANSPARENT_BLUE_VALUE are undefined."
    HEAP32[((value) >>> 2) >>> 0] = -1;
    return 1;

   case 12345:
   // EGL_BIND_TO_TEXTURE_RGB
    case 12346:
    // EGL_BIND_TO_TEXTURE_RGBA
    HEAP32[((value) >>> 2) >>> 0] = 0;
    return 1;

   case 12347:
    // EGL_MIN_SWAP_INTERVAL
    HEAP32[((value) >>> 2) >>> 0] = 0;
    return 1;

   case 12348:
    // EGL_MAX_SWAP_INTERVAL
    HEAP32[((value) >>> 2) >>> 0] = 1;
    return 1;

   case 12349:
   // EGL_LUMINANCE_SIZE
    case 12350:
    // EGL_ALPHA_MASK_SIZE
    HEAP32[((value) >>> 2) >>> 0] = 0;
    return 1;

   case 12351:
    // EGL_COLOR_BUFFER_TYPE
    // EGL has two types of buffers: EGL_RGB_BUFFER and EGL_LUMINANCE_BUFFER.
    HEAP32[((value) >>> 2) >>> 0] = 12430;
    return 1;

   case 12352:
    // EGL_RENDERABLE_TYPE
    // A bit combination of EGL_OPENGL_ES_BIT,EGL_OPENVG_BIT,EGL_OPENGL_ES2_BIT and EGL_OPENGL_BIT.
    HEAP32[((value) >>> 2) >>> 0] = 4;
    return 1;

   case 12354:
    // EGL_CONFORMANT
    // "EGL_CONFORMANT is a mask indicating if a client API context created with respect to the corresponding EGLConfig will pass the required conformance tests for that API."
    HEAP32[((value) >>> 2) >>> 0] = 0;
    return 1;

   default:
    EGL.setErrorCode(12292);
    return 0;
  }
}

function _eglGetDisplay(nativeDisplayType) {
  nativeDisplayType >>>= 0;
  EGL.setErrorCode(12288);
  // Emscripten EGL implementation "emulates" X11, and eglGetDisplay is
  // expected to accept/receive a pointer to an X11 Display object (or
  // EGL_DEFAULT_DISPLAY).
  if (nativeDisplayType != 0 && nativeDisplayType != 1) {
    return 0;
  }
  return 62e3;
}

var _eglGetError = () => EGL.errorCode;

function _eglInitialize(display, majorVersion, minorVersion) {
  display >>>= 0;
  majorVersion >>>= 0;
  minorVersion >>>= 0;
  if (display != 62e3) {
    EGL.setErrorCode(12296);
    return 0;
  }
  if (majorVersion) {
    HEAP32[((majorVersion) >>> 2) >>> 0] = 1;
  }
  if (minorVersion) {
    HEAP32[((minorVersion) >>> 2) >>> 0] = 4;
  }
  EGL.defaultDisplayInitialized = true;
  EGL.setErrorCode(12288);
  return 1;
}

function _eglMakeCurrent(display, draw, read, context) {
  display >>>= 0;
  draw >>>= 0;
  read >>>= 0;
  context >>>= 0;
  if (display != 62e3) {
    EGL.setErrorCode(12296);
    return 0;
  }
  //\todo An EGL_NOT_INITIALIZED error is generated if EGL is not initialized for dpy.
  if (context != 0 && context != 62004) {
    EGL.setErrorCode(12294);
    return 0;
  }
  if ((read != 0 && read != 62006) || (draw != 0 && draw != 62006)) {
    EGL.setErrorCode(12301);
    return 0;
  }
  GL.makeContextCurrent(context ? EGL.context : null);
  EGL.currentContext = context;
  EGL.currentDrawSurface = draw;
  EGL.currentReadSurface = read;
  EGL.setErrorCode(12288);
  return 1;
}

var stringToNewUTF8 = str => {
  var size = lengthBytesUTF8(str) + 1;
  var ret = _malloc(size);
  if (ret) stringToUTF8(str, ret, size);
  return ret;
};

function _eglQueryString(display, name) {
  display >>>= 0;
  if (display != 62e3) {
    EGL.setErrorCode(12296);
    return 0;
  }
  //\todo An EGL_NOT_INITIALIZED error is generated if EGL is not initialized for dpy.
  EGL.setErrorCode(12288);
  if (EGL.stringCache[name]) return EGL.stringCache[name];
  var ret;
  switch (name) {
   case 12371:
    ret = stringToNewUTF8("Emscripten");
    break;

   case 12372:
    ret = stringToNewUTF8("1.4 Emscripten EGL");
    break;

   case 12373:
    ret = stringToNewUTF8("");
    break;

   // Currently not supporting any EGL extensions.
    case 12429:
    ret = stringToNewUTF8("OpenGL_ES");
    break;

   default:
    EGL.setErrorCode(12300);
    return 0;
  }
  EGL.stringCache[name] = ret;
  return ret;
}

function _eglSwapBuffers(dpy, surface) {
  dpy >>>= 0;
  surface >>>= 0;
  if (!EGL.defaultDisplayInitialized) {
    EGL.setErrorCode(12289);
  } else if (!GLctx) {
    EGL.setErrorCode(12290);
  } else if (GLctx.isContextLost()) {
    EGL.setErrorCode(12302);
  } else {
    // According to documentation this does an implicit flush.
    // Due to discussion at https://github.com/emscripten-core/emscripten/pull/1871
    // the flush was removed since this _may_ result in slowing code down.
    //_glFlush();
    EGL.setErrorCode(12288);
    return 1;
  }
  return 0;
}

/**
     * @param {number=} arg
     * @param {boolean=} noSetTiming
     */ var setMainLoop = (iterFunc, fps, simulateInfiniteLoop, arg, noSetTiming) => {
  assert(!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.");
  MainLoop.func = iterFunc;
  MainLoop.arg = arg;
  var thisMainLoopId = MainLoop.currentlyRunningMainloop;
  function checkIsRunning() {
    if (thisMainLoopId < MainLoop.currentlyRunningMainloop) {
      maybeExit();
      return false;
    }
    return true;
  }
  // We create the loop runner here but it is not actually running until
  // _emscripten_set_main_loop_timing is called (which might happen a
  // later time).  This member signifies that the current runner has not
  // yet been started so that we can call runtimeKeepalivePush when it
  // gets it timing set for the first time.
  MainLoop.running = false;
  MainLoop.runner = function MainLoop_runner() {
    if (ABORT) return;
    if (MainLoop.queue.length > 0) {
      var start = Date.now();
      var blocker = MainLoop.queue.shift();
      blocker.func(blocker.arg);
      if (MainLoop.remainingBlockers) {
        var remaining = MainLoop.remainingBlockers;
        var next = remaining % 1 == 0 ? remaining - 1 : Math.floor(remaining);
        if (blocker.counted) {
          MainLoop.remainingBlockers = next;
        } else {
          // not counted, but move the progress along a tiny bit
          next = next + .5;
          // do not steal all the next one's progress
          MainLoop.remainingBlockers = (8 * remaining + next) / 9;
        }
      }
      MainLoop.updateStatus();
      // catches pause/resume main loop from blocker execution
      if (!checkIsRunning()) return;
      setTimeout(MainLoop.runner, 0);
      return;
    }
    // catch pauses from non-main loop sources
    if (!checkIsRunning()) return;
    // Implement very basic swap interval control
    MainLoop.currentFrameNumber = MainLoop.currentFrameNumber + 1 | 0;
    if (MainLoop.timingMode == 1 && MainLoop.timingValue > 1 && MainLoop.currentFrameNumber % MainLoop.timingValue != 0) {
      // Not the scheduled time to render this frame - skip.
      MainLoop.scheduler();
      return;
    } else if (MainLoop.timingMode == 0) {
      MainLoop.tickStartTime = _emscripten_get_now();
    }
    if (MainLoop.method === "timeout" && Module["ctx"]) {
      warnOnce("Looks like you are rendering without using requestAnimationFrame for the main loop. You should use 0 for the frame rate in emscripten_set_main_loop in order to use requestAnimationFrame, as that can greatly improve your frame rates!");
      MainLoop.method = "";
    }
    MainLoop.runIter(iterFunc);
    // catch pauses from the main loop itself
    if (!checkIsRunning()) return;
    MainLoop.scheduler();
  };
  if (!noSetTiming) {
    if (fps > 0) {
      _emscripten_set_main_loop_timing(0, 1e3 / fps);
    } else {
      // Do rAF by rendering each frame (no decimating)
      _emscripten_set_main_loop_timing(1, 1);
    }
    MainLoop.scheduler();
  }
  if (simulateInfiniteLoop) {
    throw "unwind";
  }
};

var MainLoop = {
  running: false,
  scheduler: null,
  method: "",
  currentlyRunningMainloop: 0,
  func: null,
  arg: 0,
  timingMode: 0,
  timingValue: 0,
  currentFrameNumber: 0,
  queue: [],
  preMainLoop: [],
  postMainLoop: [],
  pause() {
    MainLoop.scheduler = null;
    // Incrementing this signals the previous main loop that it's now become old, and it must return.
    MainLoop.currentlyRunningMainloop++;
  },
  resume() {
    MainLoop.currentlyRunningMainloop++;
    var timingMode = MainLoop.timingMode;
    var timingValue = MainLoop.timingValue;
    var func = MainLoop.func;
    MainLoop.func = null;
    // do not set timing and call scheduler, we will do it on the next lines
    setMainLoop(func, 0, false, MainLoop.arg, true);
    _emscripten_set_main_loop_timing(timingMode, timingValue);
    MainLoop.scheduler();
  },
  updateStatus() {
    if (Module["setStatus"]) {
      var message = Module["statusMessage"] || "Please wait...";
      var remaining = MainLoop.remainingBlockers ?? 0;
      var expected = MainLoop.expectedBlockers ?? 0;
      if (remaining) {
        if (remaining < expected) {
          Module["setStatus"](`{message} ({expected - remaining}/{expected})`);
        } else {
          Module["setStatus"](message);
        }
      } else {
        Module["setStatus"]("");
      }
    }
  },
  init() {
    Module["preMainLoop"] && MainLoop.preMainLoop.push(Module["preMainLoop"]);
    Module["postMainLoop"] && MainLoop.postMainLoop.push(Module["postMainLoop"]);
  },
  runIter(func) {
    if (ABORT) return;
    for (var pre of MainLoop.preMainLoop) {
      if (pre() === false) {
        return;
      }
    }
    callUserCallback(func);
    for (var post of MainLoop.postMainLoop) {
      post();
    }
    checkStackCookie();
  },
  nextRAF: 0,
  fakeRequestAnimationFrame(func) {
    // try to keep 60fps between calls to here
    var now = Date.now();
    if (MainLoop.nextRAF === 0) {
      MainLoop.nextRAF = now + 1e3 / 60;
    } else {
      while (now + 2 >= MainLoop.nextRAF) {
        // fudge a little, to avoid timer jitter causing us to do lots of delay:0
        MainLoop.nextRAF += 1e3 / 60;
      }
    }
    var delay = Math.max(MainLoop.nextRAF - now, 0);
    setTimeout(func, delay);
  },
  requestAnimationFrame(func) {
    if (typeof requestAnimationFrame == "function") {
      requestAnimationFrame(func);
    } else {
      MainLoop.fakeRequestAnimationFrame(func);
    }
  }
};

var _emscripten_set_main_loop_timing = (mode, value) => {
  MainLoop.timingMode = mode;
  MainLoop.timingValue = value;
  if (!MainLoop.func) {
    err("emscripten_set_main_loop_timing: Cannot set timing mode for main loop since a main loop does not exist! Call emscripten_set_main_loop first to set one up.");
    return 1;
  }
  if (!MainLoop.running) {
    MainLoop.running = true;
  }
  if (mode == 0) {
    MainLoop.scheduler = function MainLoop_scheduler_setTimeout() {
      var timeUntilNextTick = Math.max(0, MainLoop.tickStartTime + value - _emscripten_get_now()) | 0;
      setTimeout(MainLoop.runner, timeUntilNextTick);
    };
    MainLoop.method = "timeout";
  } else if (mode == 1) {
    MainLoop.scheduler = function MainLoop_scheduler_rAF() {
      MainLoop.requestAnimationFrame(MainLoop.runner);
    };
    MainLoop.method = "rAF";
  } else if (mode == 2) {
    if (typeof MainLoop.setImmediate == "undefined") {
      if (typeof setImmediate == "undefined") {
        // Emulate setImmediate. (note: not a complete polyfill, we don't emulate clearImmediate() to keep code size to minimum, since not needed)
        var setImmediates = [];
        var emscriptenMainLoopMessageId = "setimmediate";
        /** @param {Event} event */ var MainLoop_setImmediate_messageHandler = event => {
          // When called in current thread or Worker, the main loop ID is structured slightly different to accommodate for --proxy-to-worker runtime listening to Worker events,
          // so check for both cases.
          if (event.data === emscriptenMainLoopMessageId || event.data.target === emscriptenMainLoopMessageId) {
            event.stopPropagation();
            setImmediates.shift()();
          }
        };
        addEventListener("message", MainLoop_setImmediate_messageHandler, true);
        MainLoop.setImmediate = /** @type{function(function(): ?, ...?): number} */ (func => {
          setImmediates.push(func);
          if (ENVIRONMENT_IS_WORKER) {
            Module["setImmediates"] ??= [];
            Module["setImmediates"].push(func);
            postMessage({
              target: emscriptenMainLoopMessageId
            });
          } else postMessage(emscriptenMainLoopMessageId, "*");
        });
      } else {
        MainLoop.setImmediate = setImmediate;
      }
    }
    MainLoop.scheduler = function MainLoop_scheduler_setImmediate() {
      MainLoop.setImmediate(MainLoop.runner);
    };
    MainLoop.method = "immediate";
  }
  return 0;
};

function _eglSwapInterval(display, interval) {
  display >>>= 0;
  if (display != 62e3) {
    EGL.setErrorCode(12296);
    return 0;
  }
  if (interval == 0) _emscripten_set_main_loop_timing(0, 0); else _emscripten_set_main_loop_timing(1, interval);
  EGL.setErrorCode(12288);
  return 1;
}

function _eglTerminate(display) {
  display >>>= 0;
  if (display != 62e3) {
    EGL.setErrorCode(12296);
    return 0;
  }
  EGL.currentContext = 0;
  EGL.currentReadSurface = 0;
  EGL.currentDrawSurface = 0;
  EGL.defaultDisplayInitialized = false;
  EGL.setErrorCode(12288);
  return 1;
}

/** @suppress {duplicate } */ var _eglWaitClient = () => {
  EGL.setErrorCode(12288);
  return 1;
};

var _eglWaitGL = _eglWaitClient;

var _eglWaitNative = nativeEngineId => {
  EGL.setErrorCode(12288);
  return 1;
};

var readEmAsmArgsArray = [];

var readEmAsmArgs = (sigPtr, buf) => {
  // Nobody should have mutated _readEmAsmArgsArray underneath us to be something else than an array.
  assert(Array.isArray(readEmAsmArgsArray));
  // The input buffer is allocated on the stack, so it must be stack-aligned.
  assert(buf % 16 == 0);
  readEmAsmArgsArray.length = 0;
  var ch;
  // Most arguments are i32s, so shift the buffer pointer so it is a plain
  // index into HEAP32.
  while (ch = HEAPU8[sigPtr++ >>> 0]) {
    var chr = String.fromCharCode(ch);
    var validChars = [ "d", "f", "i", "p" ];
    // In WASM_BIGINT mode we support passing i64 values as bigint.
    validChars.push("j");
    assert(validChars.includes(chr), `Invalid character ${ch}("${chr}") in readEmAsmArgs! Use only [${validChars}], and do not specify "v" for void return argument.`);
    // Floats are always passed as doubles, so all types except for 'i'
    // are 8 bytes and require alignment.
    var wide = (ch != 105);
    wide &= (ch != 112);
    buf += wide && (buf % 8) ? 4 : 0;
    readEmAsmArgsArray.push(// Special case for pointers under wasm64 or CAN_ADDRESS_2GB mode.
    ch == 112 ? HEAPU32[((buf) >>> 2) >>> 0] : ch == 106 ? HEAP64[((buf) >>> 3) >>> 0] : ch == 105 ? HEAP32[((buf) >>> 2) >>> 0] : HEAPF64[((buf) >>> 3) >>> 0]);
    buf += wide ? 8 : 4;
  }
  return readEmAsmArgsArray;
};

var runEmAsmFunction = (code, sigPtr, argbuf) => {
  var args = readEmAsmArgs(sigPtr, argbuf);
  assert(ASM_CONSTS.hasOwnProperty(code), `No EM_ASM constant found at address ${code}.  The loaded WebAssembly file is likely out of sync with the generated JavaScript.`);
  return ASM_CONSTS[code](...args);
};

function _emscripten_asm_const_int(code, sigPtr, argbuf) {
  code >>>= 0;
  sigPtr >>>= 0;
  argbuf >>>= 0;
  return runEmAsmFunction(code, sigPtr, argbuf);
}

var runMainThreadEmAsm = (emAsmAddr, sigPtr, argbuf, sync) => {
  var args = readEmAsmArgs(sigPtr, argbuf);
  assert(ASM_CONSTS.hasOwnProperty(emAsmAddr), `No EM_ASM constant found at address ${emAsmAddr}.  The loaded WebAssembly file is likely out of sync with the generated JavaScript.`);
  return ASM_CONSTS[emAsmAddr](...args);
};

function _emscripten_asm_const_int_sync_on_main_thread(emAsmAddr, sigPtr, argbuf) {
  emAsmAddr >>>= 0;
  sigPtr >>>= 0;
  argbuf >>>= 0;
  return runMainThreadEmAsm(emAsmAddr, sigPtr, argbuf, 1);
}

function _emscripten_asm_const_ptr_sync_on_main_thread(emAsmAddr, sigPtr, argbuf) {
  emAsmAddr >>>= 0;
  sigPtr >>>= 0;
  argbuf >>>= 0;
  return runMainThreadEmAsm(emAsmAddr, sigPtr, argbuf, 1);
}

var wget = {
  wgetRequests: {},
  nextWgetRequestHandle: 0,
  getNextWgetRequestHandle() {
    var handle = wget.nextWgetRequestHandle;
    wget.nextWgetRequestHandle++;
    return handle;
  }
};

var _emscripten_async_wget2_abort = handle => {
  var http = wget.wgetRequests[handle];
  http?.abort();
};

var stackAlloc = sz => __emscripten_stack_alloc(sz);

var stringToUTF8OnStack = str => {
  var size = lengthBytesUTF8(str) + 1;
  var ret = stackAlloc(size);
  stringToUTF8(str, ret, size);
  return ret;
};

var wasmTableMirror = [];

/** @type {WebAssembly.Table} */ var wasmTable;

var getWasmTableEntry = funcPtr => {
  var func = wasmTableMirror[funcPtr];
  if (!func) {
    /** @suppress {checkTypes} */ wasmTableMirror[funcPtr] = func = wasmTable.get(funcPtr);
  }
  /** @suppress {checkTypes} */ assert(wasmTable.get(funcPtr) == func, "JavaScript-side Wasm function table mirror is out of date!");
  return func;
};

function _emscripten_async_wget2_data(url, request, param, userdata, free, onload, onerror, onprogress) {
  url >>>= 0;
  request >>>= 0;
  param >>>= 0;
  userdata >>>= 0;
  onload >>>= 0;
  onerror >>>= 0;
  onprogress >>>= 0;
  var _url = UTF8ToString(url);
  var _request = UTF8ToString(request);
  var _param = UTF8ToString(param);
  var http = new XMLHttpRequest;
  http.open(_request, _url, true);
  http.responseType = "arraybuffer";
  var handle = wget.getNextWgetRequestHandle();
  function onerrorjs() {
    if (onerror) {
      var sp = stackSave();
      var statusText = 0;
      if (http.statusText) {
        statusText = stringToUTF8OnStack(http.statusText);
      }
      getWasmTableEntry(onerror)(handle, userdata, http.status, statusText);
      stackRestore(sp);
    }
  }
  // LOAD
  http.onload = e => {
    if (http.status >= 200 && http.status < 300 || (http.status === 0 && _url.slice(0, 4).toLowerCase() != "http")) {
      var byteArray = new Uint8Array(/** @type{ArrayBuffer} */ (http.response));
      var buffer = _malloc(byteArray.length);
      HEAPU8.set(byteArray, buffer >>> 0);
      if (onload) getWasmTableEntry(onload)(handle, userdata, buffer, byteArray.length);
      _free(buffer);
    } else {
      onerrorjs();
    }
    delete wget.wgetRequests[handle];
  };
  // ERROR
  http.onerror = e => {
    onerrorjs();
    delete wget.wgetRequests[handle];
  };
  // PROGRESS
  http.onprogress = e => {
    if (onprogress) getWasmTableEntry(onprogress)(handle, userdata, e.loaded, e.lengthComputable || e.lengthComputable === undefined ? e.total : 0);
  };
  // ABORT
  http.onabort = e => {
    delete wget.wgetRequests[handle];
  };
  if (_request == "POST") {
    //Send the proper header information along with the request
    http.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
    http.send(_param);
  } else {
    http.send(null);
  }
  wget.wgetRequests[handle] = http;
  return handle;
}

var _emscripten_cancel_main_loop = () => {
  MainLoop.pause();
  MainLoop.func = null;
};

function _emscripten_err(str) {
  str >>>= 0;
  return err(UTF8ToString(str));
}

var onExits = [];

var addOnExit = cb => onExits.push(cb);

var JSEvents = {
  memcpy(target, src, size) {
    HEAP8.set(HEAP8.subarray(src >>> 0, src + size >>> 0), target >>> 0);
  },
  removeAllEventListeners() {
    while (JSEvents.eventHandlers.length) {
      JSEvents._removeHandler(JSEvents.eventHandlers.length - 1);
    }
    JSEvents.deferredCalls = [];
  },
  inEventHandler: 0,
  deferredCalls: [],
  deferCall(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;
    }
    // Test if the given call was already queued, and if so, don't add it again.
    for (var call of JSEvents.deferredCalls) {
      if (call.targetFunction == targetFunction && arraysHaveEqualContent(call.argsList, argsList)) {
        return;
      }
    }
    JSEvents.deferredCalls.push({
      targetFunction,
      precedence,
      argsList
    });
    JSEvents.deferredCalls.sort((x, y) => x.precedence < y.precedence);
  },
  removeDeferredCalls(targetFunction) {
    JSEvents.deferredCalls = JSEvents.deferredCalls.filter(call => call.targetFunction != targetFunction);
  },
  canPerformEventHandlerRequests() {
    if (navigator.userActivation) {
      // Verify against transient activation status from UserActivation API
      // whether it is possible to perform a request here without needing to defer. See
      // https://developer.mozilla.org/en-US/docs/Web/Security/User_activation#transient_activation
      // and https://caniuse.com/mdn-api_useractivation
      // At the time of writing, Firefox does not support this API: https://bugzilla.mozilla.org/show_bug.cgi?id=1791079
      return navigator.userActivation.isActive;
    }
    return JSEvents.inEventHandler && JSEvents.currentEventHandler.allowsDeferredCalls;
  },
  runDeferredCalls() {
    if (!JSEvents.canPerformEventHandlerRequests()) {
      return;
    }
    var deferredCalls = JSEvents.deferredCalls;
    JSEvents.deferredCalls = [];
    for (var call of deferredCalls) {
      call.targetFunction(...call.argsList);
    }
  },
  eventHandlers: [],
  removeAllHandlersOnTarget: (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(i) {
    var h = JSEvents.eventHandlers[i];
    h.target.removeEventListener(h.eventTypeString, h.eventListenerFunc, h.useCapture);
    JSEvents.eventHandlers.splice(i, 1);
  },
  registerOrRemoveHandler(eventHandler) {
    if (!eventHandler.target) {
      err("registerOrRemoveHandler: the target element for event handler registration does not exist, when processing the following event handler registration:");
      console.dir(eventHandler);
      return -4;
    }
    if (eventHandler.callbackfunc) {
      eventHandler.eventListenerFunc = function(event) {
        // Increment nesting count for the event handler.
        ++JSEvents.inEventHandler;
        JSEvents.currentEventHandler = eventHandler;
        // Process any old deferred calls the user has placed.
        JSEvents.runDeferredCalls();
        // Process the actual event, calls back to user C code handler.
        eventHandler.handlerFunc(event);
        // Process any new deferred calls that were placed right now from this event handler.
        JSEvents.runDeferredCalls();
        // Out of event handler - restore nesting count.
        --JSEvents.inEventHandler;
      };
      eventHandler.target.addEventListener(eventHandler.eventTypeString, eventHandler.eventListenerFunc, eventHandler.useCapture);
      JSEvents.eventHandlers.push(eventHandler);
    } 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--);
        }
      }
    }
    return 0;
  },
  getNodeNameForTarget(target) {
    if (!target) return "";
    if (target == window) return "#window";
    if (target == screen) return "#screen";
    return target?.nodeName || "";
  },
  fullscreenEnabled() {
    return document.fullscreenEnabled || document.webkitFullscreenEnabled;
  }
};

/** @type {Object} */ var specialHTMLTargets = [ 0, document, window ];

var maybeCStringToJsString = cString => cString > 2 ? UTF8ToString(cString) : cString;

/** @suppress {duplicate } */ var findEventTarget = target => {
  target = maybeCStringToJsString(target);
  var domElement = specialHTMLTargets[target] || document.querySelector(target);
  return domElement;
};

var findCanvasEventTarget = findEventTarget;

function _emscripten_get_canvas_element_size(target, width, height) {
  target >>>= 0;
  width >>>= 0;
  height >>>= 0;
  var canvas = findCanvasEventTarget(target);
  if (!canvas) return -4;
  HEAP32[((width) >>> 2) >>> 0] = canvas.width;
  HEAP32[((height) >>> 2) >>> 0] = canvas.height;
}

var getCanvasElementSize = target => {
  var sp = stackSave();
  var w = stackAlloc(8);
  var h = w + 4;
  var targetInt = stringToUTF8OnStack(target.id);
  var ret = _emscripten_get_canvas_element_size(targetInt, w, h);
  var size = [ HEAP32[((w) >>> 2) >>> 0], HEAP32[((h) >>> 2) >>> 0] ];
  stackRestore(sp);
  return size;
};

function _emscripten_set_canvas_element_size(target, width, height) {
  target >>>= 0;
  var canvas = findCanvasEventTarget(target);
  if (!canvas) return -4;
  canvas.width = width;
  canvas.height = height;
  return 0;
}

var setCanvasElementSize = (target, width, height) => {
  if (!target.controlTransferredOffscreen) {
    target.width = width;
    target.height = height;
  } else {
    // This function is being called from high-level JavaScript code instead of asm.js/Wasm,
    // and it needs to synchronously proxy over to another thread, so marshal the string onto the heap to do the call.
    var sp = stackSave();
    var targetInt = stringToUTF8OnStack(target.id);
    _emscripten_set_canvas_element_size(targetInt, width, height);
    stackRestore(sp);
  }
};

var currentFullscreenStrategy = {};

var 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;
  // Chrome reads color from here.
  var oldDocumentBackgroundColor = document.body.style.backgroundColor;
  // IE11 reads color from here.
  // Firefox always has black background color.
  var oldPaddingLeft = canvas.style.paddingLeft;
  // Chrome, FF, Safari
  var oldPaddingRight = canvas.style.paddingRight;
  var oldPaddingTop = canvas.style.paddingTop;
  var oldPaddingBottom = canvas.style.paddingBottom;
  var oldMarginLeft = canvas.style.marginLeft;
  // IE11
  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;
  // Chrome, Firefox
  var oldDocumentScroll = document.body.scroll;
  // IE
  var oldImageRendering = canvas.style.imageRendering;
  function restoreOldStyle() {
    if (!getFullscreenElement()) {
      document.removeEventListener("fullscreenchange", restoreOldStyle);
      // Unprefixed Fullscreen API shipped in Chromium 71 (https://bugs.chromium.org/p/chromium/issues/detail?id=383813)
      // As of Safari 13.0.3 on macOS Catalina 10.15.1 still ships with prefixed webkitfullscreenchange. TODO: revisit this check once Safari ships unprefixed version.
      document.removeEventListener("webkitfullscreenchange", restoreOldStyle);
      setCanvasElementSize(canvas, oldWidth, oldHeight);
      canvas.style.width = oldCssWidth;
      canvas.style.height = oldCssHeight;
      canvas.style.backgroundColor = oldBackgroundColor;
      // Chrome
      // IE11 hack: assigning 'undefined' or an empty string to document.body.style.backgroundColor has no effect, so first assign back the default color
      // before setting the undefined value. Setting undefined value is also important, or otherwise we would later treat that as something that the user
      // had explicitly set so subsequent fullscreen transitions would not set background color properly.
      if (!oldDocumentBackgroundColor) document.body.style.backgroundColor = "white";
      document.body.style.backgroundColor = oldDocumentBackgroundColor;
      // IE11
      canvas.style.paddingLeft = oldPaddingLeft;
      // Chrome, FF, Safari
      canvas.style.paddingRight = oldPaddingRight;
      canvas.style.paddingTop = oldPaddingTop;
      canvas.style.paddingBottom = oldPaddingBottom;
      canvas.style.marginLeft = oldMarginLeft;
      // IE11
      canvas.style.marginRight = oldMarginRight;
      canvas.style.marginTop = oldMarginTop;
      canvas.style.marginBottom = oldMarginBottom;
      document.body.style.margin = oldDocumentBodyMargin;
      document.documentElement.style.overflow = oldDocumentOverflow;
      // Chrome, Firefox
      document.body.scroll = oldDocumentScroll;
      // IE
      canvas.style.imageRendering = oldImageRendering;
      if (canvas.GLctxObject) canvas.GLctxObject.GLctx.viewport(0, 0, oldWidth, oldHeight);
      if (currentFullscreenStrategy.canvasResizedCallback) {
        getWasmTableEntry(currentFullscreenStrategy.canvasResizedCallback)(37, 0, currentFullscreenStrategy.canvasResizedCallbackUserData);
      }
    }
  }
  document.addEventListener("fullscreenchange", restoreOldStyle);
  // Unprefixed Fullscreen API shipped in Chromium 71 (https://bugs.chromium.org/p/chromium/issues/detail?id=383813)
  // As of Safari 13.0.3 on macOS Catalina 10.15.1 still ships with prefixed webkitfullscreenchange. TODO: revisit this check once Safari ships unprefixed version.
  document.addEventListener("webkitfullscreenchange", restoreOldStyle);
  return restoreOldStyle;
};

var setLetterbox = (element, topBottom, leftRight) => {
  // Cannot use margin to specify letterboxes in FF or Chrome, since those ignore margins in fullscreen mode.
  element.style.paddingLeft = element.style.paddingRight = leftRight + "px";
  element.style.paddingTop = element.style.paddingBottom = topBottom + "px";
};

var getBoundingClientRect = e => specialHTMLTargets.indexOf(e) < 0 ? e.getBoundingClientRect() : {
  "left": 0,
  "top": 0
};

var 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 we are adding padding, must choose a background color or otherwise Chrome will give the
  // padding a default white color. Do it only if user has not customized their own background color.
  target.style.backgroundColor ||= "black";
  // IE11 does the same, but requires the color to be set in the document body.
  document.body.style.backgroundColor ||= "black";
  // IE11
  // Firefox always shows black letterboxes independent of style color.
  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;
};

var JSEvents_requestFullscreen = (target, strategy) => {
  // EMSCRIPTEN_FULLSCREEN_SCALE_DEFAULT + EMSCRIPTEN_FULLSCREEN_CANVAS_SCALE_NONE is a mode where no extra logic is performed to the DOM elements.
  if (strategy.scaleMode != 0 || strategy.canvasResolutionScaleMode != 0) {
    JSEvents_resizeCanvasForFullscreen(target, strategy);
  }
  if (target.requestFullscreen) {
    target.requestFullscreen();
  } else if (target.webkitRequestFullscreen) {
    target.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT);
  } else {
    return JSEvents.fullscreenEnabled() ? -3 : -1;
  }
  currentFullscreenStrategy = strategy;
  if (strategy.canvasResizedCallback) {
    getWasmTableEntry(strategy.canvasResizedCallback)(37, 0, strategy.canvasResizedCallbackUserData);
  }
  return 0;
};

var _emscripten_exit_fullscreen = () => {
  if (!JSEvents.fullscreenEnabled()) return -1;
  // Make sure no queued up calls will fire after this.
  JSEvents.removeDeferredCalls(JSEvents_requestFullscreen);
  var d = specialHTMLTargets[1];
  if (d.exitFullscreen) {
    d.fullscreenElement && d.exitFullscreen();
  } else if (d.webkitExitFullscreen) {
    d.webkitFullscreenElement && d.webkitExitFullscreen();
  } else {
    return -1;
  }
  return 0;
};

var requestPointerLock = target => {
  if (target.requestPointerLock) {
    target.requestPointerLock();
  } else {
    // document.body is known to accept pointer lock, so use that to differentiate if the user passed a bad element,
    // or if the whole browser just doesn't support the feature.
    if (document.body.requestPointerLock) {
      return -3;
    }
    return -1;
  }
  return 0;
};

var _emscripten_exit_pointerlock = () => {
  // Make sure no queued up calls will fire after this.
  JSEvents.removeDeferredCalls(requestPointerLock);
  if (!document.exitPointerLock) return -1;
  document.exitPointerLock();
  return 0;
};

var __emscripten_runtime_keepalive_clear = () => {
  noExitRuntime = false;
  runtimeKeepaliveCounter = 0;
};

var _emscripten_force_exit = status => {
  warnOnce("emscripten_force_exit cannot actually shut down the runtime, as the build does not have EXIT_RUNTIME set");
  __emscripten_runtime_keepalive_clear();
  _exit(status);
};

var _emscripten_get_device_pixel_ratio = () => devicePixelRatio;

function _emscripten_get_element_css_size(target, width, height) {
  target >>>= 0;
  width >>>= 0;
  height >>>= 0;
  target = findEventTarget(target);
  if (!target) return -4;
  var rect = getBoundingClientRect(target);
  HEAPF64[((width) >>> 3) >>> 0] = rect.width;
  HEAPF64[((height) >>> 3) >>> 0] = rect.height;
  return 0;
}

var fillGamepadEventData = (eventStruct, e) => {
  HEAPF64[((eventStruct) >>> 3) >>> 0] = e.timestamp;
  for (var i = 0; i < e.axes.length; ++i) {
    HEAPF64[(((eventStruct + i * 8) + (16)) >>> 3) >>> 0] = e.axes[i];
  }
  for (var i = 0; i < e.buttons.length; ++i) {
    if (typeof e.buttons[i] == "object") {
      HEAPF64[(((eventStruct + i * 8) + (528)) >>> 3) >>> 0] = e.buttons[i].value;
    } else {
      HEAPF64[(((eventStruct + i * 8) + (528)) >>> 3) >>> 0] = e.buttons[i];
    }
  }
  for (var i = 0; i < e.buttons.length; ++i) {
    if (typeof e.buttons[i] == "object") {
      HEAP8[(eventStruct + i) + (1040) >>> 0] = e.buttons[i].pressed;
    } else {
      // Assigning a boolean to HEAP32, that's ok, but Closure would like to warn about it:
      /** @suppress {checkTypes} */ HEAP8[(eventStruct + i) + (1040) >>> 0] = e.buttons[i] == 1;
    }
  }
  HEAP8[(eventStruct) + (1104) >>> 0] = e.connected;
  HEAP32[(((eventStruct) + (1108)) >>> 2) >>> 0] = e.index;
  HEAP32[(((eventStruct) + (8)) >>> 2) >>> 0] = e.axes.length;
  HEAP32[(((eventStruct) + (12)) >>> 2) >>> 0] = e.buttons.length;
  stringToUTF8(e.id, eventStruct + 1112, 64);
  stringToUTF8(e.mapping, eventStruct + 1176, 64);
};

function _emscripten_get_gamepad_status(index, gamepadState) {
  gamepadState >>>= 0;
  if (!JSEvents.lastGamepadState) throw "emscripten_get_gamepad_status() can only be called after having first called emscripten_sample_gamepad_data() and that function has returned EMSCRIPTEN_RESULT_SUCCESS!";
  // INVALID_PARAM is returned on a Gamepad index that never was there.
  if (index < 0 || index >= JSEvents.lastGamepadState.length) return -5;
  // NO_DATA is returned on a Gamepad index that was removed.
  // For previously disconnected gamepads there should be an empty slot (null/undefined/false) at the index.
  // This is because gamepads must keep their original position in the array.
  // For example, removing the first of two gamepads produces [null/undefined/false, gamepad].
  if (!JSEvents.lastGamepadState[index]) return -7;
  fillGamepadEventData(gamepadState, JSEvents.lastGamepadState[index]);
  return 0;
}

var _emscripten_get_num_gamepads = () => {
  if (!JSEvents.lastGamepadState) throw "emscripten_get_num_gamepads() can only be called after having first called emscripten_sample_gamepad_data() and that function has returned EMSCRIPTEN_RESULT_SUCCESS!";
  // N.B. Do not call emscripten_get_num_gamepads() unless having first called emscripten_sample_gamepad_data(), and that has returned EMSCRIPTEN_RESULT_SUCCESS.
  // Otherwise the following line will throw an exception.
  return JSEvents.lastGamepadState.length;
};

function _emscripten_get_screen_size(width, height) {
  width >>>= 0;
  height >>>= 0;
  HEAP32[((width) >>> 2) >>> 0] = screen.width;
  HEAP32[((height) >>> 2) >>> 0] = screen.height;
}

/** @suppress {duplicate } */ var _glActiveTexture = x0 => GLctx.activeTexture(x0);

var _emscripten_glActiveTexture = _glActiveTexture;

/** @suppress {duplicate } */ var _glAttachShader = (program, shader) => {
  GLctx.attachShader(GL.programs[program], GL.shaders[shader]);
};

var _emscripten_glAttachShader = _glAttachShader;

/** @suppress {duplicate } */ var _glBeginQueryEXT = (target, id) => {
  GLctx.disjointTimerQueryExt["beginQueryEXT"](target, GL.queries[id]);
};

var _emscripten_glBeginQueryEXT = _glBeginQueryEXT;

/** @suppress {duplicate } */ function _glBindAttribLocation(program, index, name) {
  name >>>= 0;
  GLctx.bindAttribLocation(GL.programs[program], index, UTF8ToString(name));
}

var _emscripten_glBindAttribLocation = _glBindAttribLocation;

/** @suppress {duplicate } */ var _glBindBuffer = (target, buffer) => {
  GLctx.bindBuffer(target, GL.buffers[buffer]);
};

var _emscripten_glBindBuffer = _glBindBuffer;

/** @suppress {duplicate } */ var _glBindFramebuffer = (target, framebuffer) => {
  GLctx.bindFramebuffer(target, GL.framebuffers[framebuffer]);
};

var _emscripten_glBindFramebuffer = _glBindFramebuffer;

/** @suppress {duplicate } */ var _glBindRenderbuffer = (target, renderbuffer) => {
  GLctx.bindRenderbuffer(target, GL.renderbuffers[renderbuffer]);
};

var _emscripten_glBindRenderbuffer = _glBindRenderbuffer;

/** @suppress {duplicate } */ var _glBindTexture = (target, texture) => {
  GLctx.bindTexture(target, GL.textures[texture]);
};

var _emscripten_glBindTexture = _glBindTexture;

/** @suppress {duplicate } */ var _glBindVertexArray = vao => {
  GLctx.bindVertexArray(GL.vaos[vao]);
};

/** @suppress {duplicate } */ var _glBindVertexArrayOES = _glBindVertexArray;

var _emscripten_glBindVertexArrayOES = _glBindVertexArrayOES;

/** @suppress {duplicate } */ var _glBlendColor = (x0, x1, x2, x3) => GLctx.blendColor(x0, x1, x2, x3);

var _emscripten_glBlendColor = _glBlendColor;

/** @suppress {duplicate } */ var _glBlendEquation = x0 => GLctx.blendEquation(x0);

var _emscripten_glBlendEquation = _glBlendEquation;

/** @suppress {duplicate } */ var _glBlendEquationSeparate = (x0, x1) => GLctx.blendEquationSeparate(x0, x1);

var _emscripten_glBlendEquationSeparate = _glBlendEquationSeparate;

/** @suppress {duplicate } */ var _glBlendFunc = (x0, x1) => GLctx.blendFunc(x0, x1);

var _emscripten_glBlendFunc = _glBlendFunc;

/** @suppress {duplicate } */ var _glBlendFuncSeparate = (x0, x1, x2, x3) => GLctx.blendFuncSeparate(x0, x1, x2, x3);

var _emscripten_glBlendFuncSeparate = _glBlendFuncSeparate;

/** @suppress {duplicate } */ function _glBufferData(target, size, data, usage) {
  size >>>= 0;
  data >>>= 0;
  // N.b. here first form specifies a heap subarray, second form an integer
  // size, so the ?: code here is polymorphic. It is advised to avoid
  // randomly mixing both uses in calling code, to avoid any potential JS
  // engine JIT issues.
  GLctx.bufferData(target, data ? HEAPU8.subarray(data >>> 0, data + size >>> 0) : size, usage);
}

var _emscripten_glBufferData = _glBufferData;

/** @suppress {duplicate } */ function _glBufferSubData(target, offset, size, data) {
  offset >>>= 0;
  size >>>= 0;
  data >>>= 0;
  GLctx.bufferSubData(target, offset, HEAPU8.subarray(data >>> 0, data + size >>> 0));
}

var _emscripten_glBufferSubData = _glBufferSubData;

/** @suppress {duplicate } */ var _glCheckFramebufferStatus = x0 => GLctx.checkFramebufferStatus(x0);

var _emscripten_glCheckFramebufferStatus = _glCheckFramebufferStatus;

/** @suppress {duplicate } */ var _glClear = x0 => GLctx.clear(x0);

var _emscripten_glClear = _glClear;

/** @suppress {duplicate } */ var _glClearColor = (x0, x1, x2, x3) => GLctx.clearColor(x0, x1, x2, x3);

var _emscripten_glClearColor = _glClearColor;

/** @suppress {duplicate } */ var _glClearDepthf = x0 => GLctx.clearDepth(x0);

var _emscripten_glClearDepthf = _glClearDepthf;

/** @suppress {duplicate } */ var _glClearStencil = x0 => GLctx.clearStencil(x0);

var _emscripten_glClearStencil = _glClearStencil;

/** @suppress {duplicate } */ var _glClipControlEXT = (origin, depth) => {
  GLctx.extClipControl["clipControlEXT"](origin, depth);
};

var _emscripten_glClipControlEXT = _glClipControlEXT;

/** @suppress {duplicate } */ var _glColorMask = (red, green, blue, alpha) => {
  GLctx.colorMask(!!red, !!green, !!blue, !!alpha);
};

var _emscripten_glColorMask = _glColorMask;

/** @suppress {duplicate } */ var _glCompileShader = shader => {
  GLctx.compileShader(GL.shaders[shader]);
};

var _emscripten_glCompileShader = _glCompileShader;

/** @suppress {duplicate } */ function _glCompressedTexImage2D(target, level, internalFormat, width, height, border, imageSize, data) {
  data >>>= 0;
  // `data` may be null here, which means "allocate uniniitalized space but
  // don't upload" in GLES parlance, but `compressedTexImage2D` requires the
  // final data parameter, so we simply pass a heap view starting at zero
  // effectively uploading whatever happens to be near address zero.  See
  // https://github.com/emscripten-core/emscripten/issues/19300.
  GLctx.compressedTexImage2D(target, level, internalFormat, width, height, border, HEAPU8.subarray((data) >>> 0, data + imageSize >>> 0));
}

var _emscripten_glCompressedTexImage2D = _glCompressedTexImage2D;

/** @suppress {duplicate } */ function _glCompressedTexSubImage2D(target, level, xoffset, yoffset, width, height, format, imageSize, data) {
  data >>>= 0;
  GLctx.compressedTexSubImage2D(target, level, xoffset, yoffset, width, height, format, HEAPU8.subarray((data) >>> 0, data + imageSize >>> 0));
}

var _emscripten_glCompressedTexSubImage2D = _glCompressedTexSubImage2D;

/** @suppress {duplicate } */ var _glCopyTexImage2D = (x0, x1, x2, x3, x4, x5, x6, x7) => GLctx.copyTexImage2D(x0, x1, x2, x3, x4, x5, x6, x7);

var _emscripten_glCopyTexImage2D = _glCopyTexImage2D;

/** @suppress {duplicate } */ var _glCopyTexSubImage2D = (x0, x1, x2, x3, x4, x5, x6, x7) => GLctx.copyTexSubImage2D(x0, x1, x2, x3, x4, x5, x6, x7);

var _emscripten_glCopyTexSubImage2D = _glCopyTexSubImage2D;

/** @suppress {duplicate } */ var _glCreateProgram = () => {
  var id = GL.getNewId(GL.programs);
  var program = GLctx.createProgram();
  // Store additional information needed for each shader program:
  program.name = id;
  // Lazy cache results of
  // glGetProgramiv(GL_ACTIVE_UNIFORM_MAX_LENGTH/GL_ACTIVE_ATTRIBUTE_MAX_LENGTH/GL_ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH)
  program.maxUniformLength = program.maxAttributeLength = program.maxUniformBlockNameLength = 0;
  program.uniformIdCounter = 1;
  GL.programs[id] = program;
  return id;
};

var _emscripten_glCreateProgram = _glCreateProgram;

/** @suppress {duplicate } */ var _glCreateShader = shaderType => {
  var id = GL.getNewId(GL.shaders);
  GL.shaders[id] = GLctx.createShader(shaderType);
  return id;
};

var _emscripten_glCreateShader = _glCreateShader;

/** @suppress {duplicate } */ var _glCullFace = x0 => GLctx.cullFace(x0);

var _emscripten_glCullFace = _glCullFace;

/** @suppress {duplicate } */ function _glDeleteBuffers(n, buffers) {
  buffers >>>= 0;
  for (var i = 0; i < n; i++) {
    var id = HEAP32[(((buffers) + (i * 4)) >>> 2) >>> 0];
    var buffer = GL.buffers[id];
    // From spec: "glDeleteBuffers silently ignores 0's and names that do not
    // correspond to existing buffer objects."
    if (!buffer) continue;
    GLctx.deleteBuffer(buffer);
    buffer.name = 0;
    GL.buffers[id] = null;
  }
}

var _emscripten_glDeleteBuffers = _glDeleteBuffers;

/** @suppress {duplicate } */ function _glDeleteFramebuffers(n, framebuffers) {
  framebuffers >>>= 0;
  for (var i = 0; i < n; ++i) {
    var id = HEAP32[(((framebuffers) + (i * 4)) >>> 2) >>> 0];
    var framebuffer = GL.framebuffers[id];
    if (!framebuffer) continue;
    // GL spec: "glDeleteFramebuffers silently ignores 0s and names that do not correspond to existing framebuffer objects".
    GLctx.deleteFramebuffer(framebuffer);
    framebuffer.name = 0;
    GL.framebuffers[id] = null;
  }
}

var _emscripten_glDeleteFramebuffers = _glDeleteFramebuffers;

/** @suppress {duplicate } */ var _glDeleteProgram = id => {
  if (!id) return;
  var program = GL.programs[id];
  if (!program) {
    // glDeleteProgram actually signals an error when deleting a nonexisting
    // object, unlike some other GL delete functions.
    GL.recordError(1281);
    return;
  }
  GLctx.deleteProgram(program);
  program.name = 0;
  GL.programs[id] = null;
};

var _emscripten_glDeleteProgram = _glDeleteProgram;

/** @suppress {duplicate } */ function _glDeleteQueriesEXT(n, ids) {
  ids >>>= 0;
  for (var i = 0; i < n; i++) {
    var id = HEAP32[(((ids) + (i * 4)) >>> 2) >>> 0];
    var query = GL.queries[id];
    if (!query) continue;
    // GL spec: "unused names in ids are ignored, as is the name zero."
    GLctx.disjointTimerQueryExt["deleteQueryEXT"](query);
    GL.queries[id] = null;
  }
}

var _emscripten_glDeleteQueriesEXT = _glDeleteQueriesEXT;

/** @suppress {duplicate } */ function _glDeleteRenderbuffers(n, renderbuffers) {
  renderbuffers >>>= 0;
  for (var i = 0; i < n; i++) {
    var id = HEAP32[(((renderbuffers) + (i * 4)) >>> 2) >>> 0];
    var renderbuffer = GL.renderbuffers[id];
    if (!renderbuffer) continue;
    // GL spec: "glDeleteRenderbuffers silently ignores 0s and names that do not correspond to existing renderbuffer objects".
    GLctx.deleteRenderbuffer(renderbuffer);
    renderbuffer.name = 0;
    GL.renderbuffers[id] = null;
  }
}

var _emscripten_glDeleteRenderbuffers = _glDeleteRenderbuffers;

/** @suppress {duplicate } */ var _glDeleteShader = id => {
  if (!id) return;
  var shader = GL.shaders[id];
  if (!shader) {
    // glDeleteShader actually signals an error when deleting a nonexisting
    // object, unlike some other GL delete functions.
    GL.recordError(1281);
    return;
  }
  GLctx.deleteShader(shader);
  GL.shaders[id] = null;
};

var _emscripten_glDeleteShader = _glDeleteShader;

/** @suppress {duplicate } */ function _glDeleteTextures(n, textures) {
  textures >>>= 0;
  for (var i = 0; i < n; i++) {
    var id = HEAP32[(((textures) + (i * 4)) >>> 2) >>> 0];
    var texture = GL.textures[id];
    // GL spec: "glDeleteTextures silently ignores 0s and names that do not
    // correspond to existing textures".
    if (!texture) continue;
    GLctx.deleteTexture(texture);
    texture.name = 0;
    GL.textures[id] = null;
  }
}

var _emscripten_glDeleteTextures = _glDeleteTextures;

/** @suppress {duplicate } */ function _glDeleteVertexArrays(n, vaos) {
  vaos >>>= 0;
  for (var i = 0; i < n; i++) {
    var id = HEAP32[(((vaos) + (i * 4)) >>> 2) >>> 0];
    GLctx.deleteVertexArray(GL.vaos[id]);
    GL.vaos[id] = null;
  }
}

/** @suppress {duplicate } */ var _glDeleteVertexArraysOES = _glDeleteVertexArrays;

var _emscripten_glDeleteVertexArraysOES = _glDeleteVertexArraysOES;

/** @suppress {duplicate } */ var _glDepthFunc = x0 => GLctx.depthFunc(x0);

var _emscripten_glDepthFunc = _glDepthFunc;

/** @suppress {duplicate } */ var _glDepthMask = flag => {
  GLctx.depthMask(!!flag);
};

var _emscripten_glDepthMask = _glDepthMask;

/** @suppress {duplicate } */ var _glDepthRangef = (x0, x1) => GLctx.depthRange(x0, x1);

var _emscripten_glDepthRangef = _glDepthRangef;

/** @suppress {duplicate } */ var _glDetachShader = (program, shader) => {
  GLctx.detachShader(GL.programs[program], GL.shaders[shader]);
};

var _emscripten_glDetachShader = _glDetachShader;

/** @suppress {duplicate } */ var _glDisable = x0 => GLctx.disable(x0);

var _emscripten_glDisable = _glDisable;

/** @suppress {duplicate } */ var _glDisableVertexAttribArray = index => {
  GLctx.disableVertexAttribArray(index);
};

var _emscripten_glDisableVertexAttribArray = _glDisableVertexAttribArray;

/** @suppress {duplicate } */ var _glDrawArrays = (mode, first, count) => {
  GLctx.drawArrays(mode, first, count);
};

var _emscripten_glDrawArrays = _glDrawArrays;

/** @suppress {duplicate } */ var _glDrawArraysInstanced = (mode, first, count, primcount) => {
  GLctx.drawArraysInstanced(mode, first, count, primcount);
};

/** @suppress {duplicate } */ var _glDrawArraysInstancedANGLE = _glDrawArraysInstanced;

var _emscripten_glDrawArraysInstancedANGLE = _glDrawArraysInstancedANGLE;

var tempFixedLengthArray = [];

/** @suppress {duplicate } */ function _glDrawBuffers(n, bufs) {
  bufs >>>= 0;
  var bufArray = tempFixedLengthArray[n];
  for (var i = 0; i < n; i++) {
    bufArray[i] = HEAP32[(((bufs) + (i * 4)) >>> 2) >>> 0];
  }
  GLctx.drawBuffers(bufArray);
}

/** @suppress {duplicate } */ var _glDrawBuffersWEBGL = _glDrawBuffers;

var _emscripten_glDrawBuffersWEBGL = _glDrawBuffersWEBGL;

/** @suppress {duplicate } */ function _glDrawElements(mode, count, type, indices) {
  indices >>>= 0;
  GLctx.drawElements(mode, count, type, indices);
}

var _emscripten_glDrawElements = _glDrawElements;

/** @suppress {duplicate } */ function _glDrawElementsInstanced(mode, count, type, indices, primcount) {
  indices >>>= 0;
  GLctx.drawElementsInstanced(mode, count, type, indices, primcount);
}

/** @suppress {duplicate } */ var _glDrawElementsInstancedANGLE = _glDrawElementsInstanced;

var _emscripten_glDrawElementsInstancedANGLE = _glDrawElementsInstancedANGLE;

/** @suppress {duplicate } */ var _glEnable = x0 => GLctx.enable(x0);

var _emscripten_glEnable = _glEnable;

/** @suppress {duplicate } */ var _glEnableVertexAttribArray = index => {
  GLctx.enableVertexAttribArray(index);
};

var _emscripten_glEnableVertexAttribArray = _glEnableVertexAttribArray;

/** @suppress {duplicate } */ var _glEndQueryEXT = target => {
  GLctx.disjointTimerQueryExt["endQueryEXT"](target);
};

var _emscripten_glEndQueryEXT = _glEndQueryEXT;

/** @suppress {duplicate } */ var _glFinish = () => GLctx.finish();

var _emscripten_glFinish = _glFinish;

/** @suppress {duplicate } */ var _glFlush = () => GLctx.flush();

var _emscripten_glFlush = _glFlush;

/** @suppress {duplicate } */ var _glFramebufferRenderbuffer = (target, attachment, renderbuffertarget, renderbuffer) => {
  GLctx.framebufferRenderbuffer(target, attachment, renderbuffertarget, GL.renderbuffers[renderbuffer]);
};

var _emscripten_glFramebufferRenderbuffer = _glFramebufferRenderbuffer;

/** @suppress {duplicate } */ var _glFramebufferTexture2D = (target, attachment, textarget, texture, level) => {
  GLctx.framebufferTexture2D(target, attachment, textarget, GL.textures[texture], level);
};

var _emscripten_glFramebufferTexture2D = _glFramebufferTexture2D;

/** @suppress {duplicate } */ var _glFrontFace = x0 => GLctx.frontFace(x0);

var _emscripten_glFrontFace = _glFrontFace;

/** @suppress {duplicate } */ function _glGenBuffers(n, buffers) {
  buffers >>>= 0;
  GL.genObject(n, buffers, "createBuffer", GL.buffers);
}

var _emscripten_glGenBuffers = _glGenBuffers;

/** @suppress {duplicate } */ function _glGenFramebuffers(n, ids) {
  ids >>>= 0;
  GL.genObject(n, ids, "createFramebuffer", GL.framebuffers);
}

var _emscripten_glGenFramebuffers = _glGenFramebuffers;

/** @suppress {duplicate } */ function _glGenQueriesEXT(n, ids) {
  ids >>>= 0;
  for (var i = 0; i < n; i++) {
    var query = GLctx.disjointTimerQueryExt["createQueryEXT"]();
    if (!query) {
      GL.recordError(1282);
      while (i < n) HEAP32[(((ids) + (i++ * 4)) >>> 2) >>> 0] = 0;
      return;
    }
    var id = GL.getNewId(GL.queries);
    query.name = id;
    GL.queries[id] = query;
    HEAP32[(((ids) + (i * 4)) >>> 2) >>> 0] = id;
  }
}

var _emscripten_glGenQueriesEXT = _glGenQueriesEXT;

/** @suppress {duplicate } */ function _glGenRenderbuffers(n, renderbuffers) {
  renderbuffers >>>= 0;
  GL.genObject(n, renderbuffers, "createRenderbuffer", GL.renderbuffers);
}

var _emscripten_glGenRenderbuffers = _glGenRenderbuffers;

/** @suppress {duplicate } */ function _glGenTextures(n, textures) {
  textures >>>= 0;
  GL.genObject(n, textures, "createTexture", GL.textures);
}

var _emscripten_glGenTextures = _glGenTextures;

/** @suppress {duplicate } */ function _glGenVertexArrays(n, arrays) {
  arrays >>>= 0;
  GL.genObject(n, arrays, "createVertexArray", GL.vaos);
}

/** @suppress {duplicate } */ var _glGenVertexArraysOES = _glGenVertexArrays;

var _emscripten_glGenVertexArraysOES = _glGenVertexArraysOES;

/** @suppress {duplicate } */ var _glGenerateMipmap = x0 => GLctx.generateMipmap(x0);

var _emscripten_glGenerateMipmap = _glGenerateMipmap;

var __glGetActiveAttribOrUniform = (funcName, program, index, bufSize, length, size, type, name) => {
  program = GL.programs[program];
  var info = GLctx[funcName](program, index);
  if (info) {
    // If an error occurs, nothing will be written to length, size and type and name.
    var numBytesWrittenExclNull = name && stringToUTF8(info.name, name, bufSize);
    if (length) HEAP32[((length) >>> 2) >>> 0] = numBytesWrittenExclNull;
    if (size) HEAP32[((size) >>> 2) >>> 0] = info.size;
    if (type) HEAP32[((type) >>> 2) >>> 0] = info.type;
  }
};

/** @suppress {duplicate } */ function _glGetActiveAttrib(program, index, bufSize, length, size, type, name) {
  length >>>= 0;
  size >>>= 0;
  type >>>= 0;
  name >>>= 0;
  return __glGetActiveAttribOrUniform("getActiveAttrib", program, index, bufSize, length, size, type, name);
}

var _emscripten_glGetActiveAttrib = _glGetActiveAttrib;

/** @suppress {duplicate } */ function _glGetActiveUniform(program, index, bufSize, length, size, type, name) {
  length >>>= 0;
  size >>>= 0;
  type >>>= 0;
  name >>>= 0;
  return __glGetActiveAttribOrUniform("getActiveUniform", program, index, bufSize, length, size, type, name);
}

var _emscripten_glGetActiveUniform = _glGetActiveUniform;

/** @suppress {duplicate } */ function _glGetAttachedShaders(program, maxCount, count, shaders) {
  count >>>= 0;
  shaders >>>= 0;
  var result = GLctx.getAttachedShaders(GL.programs[program]);
  var len = result.length;
  if (len > maxCount) {
    len = maxCount;
  }
  HEAP32[((count) >>> 2) >>> 0] = len;
  for (var i = 0; i < len; ++i) {
    var id = GL.shaders.indexOf(result[i]);
    HEAP32[(((shaders) + (i * 4)) >>> 2) >>> 0] = id;
  }
}

var _emscripten_glGetAttachedShaders = _glGetAttachedShaders;

/** @suppress {duplicate } */ function _glGetAttribLocation(program, name) {
  name >>>= 0;
  return GLctx.getAttribLocation(GL.programs[program], UTF8ToString(name));
}

var _emscripten_glGetAttribLocation = _glGetAttribLocation;

var readI53FromI64 = ptr => HEAPU32[((ptr) >>> 2) >>> 0] + HEAP32[(((ptr) + (4)) >>> 2) >>> 0] * 4294967296;

var readI53FromU64 = ptr => HEAPU32[((ptr) >>> 2) >>> 0] + HEAPU32[(((ptr) + (4)) >>> 2) >>> 0] * 4294967296;

var writeI53ToI64 = (ptr, num) => {
  HEAPU32[((ptr) >>> 2) >>> 0] = num;
  var lower = HEAPU32[((ptr) >>> 2) >>> 0];
  HEAPU32[(((ptr) + (4)) >>> 2) >>> 0] = (num - lower) / 4294967296;
  var deserialized = (num >= 0) ? readI53FromU64(ptr) : readI53FromI64(ptr);
  var offset = ((ptr) >>> 2);
  if (deserialized != num) warnOnce(`writeI53ToI64() out of range: serialized JS Number ${num} to Wasm heap as bytes lo=${ptrToString(HEAPU32[offset >>> 0])}, hi=${ptrToString(HEAPU32[offset + 1 >>> 0])}, which deserializes back to ${deserialized} instead!`);
};

var emscriptenWebGLGet = (name_, p, type) => {
  // Guard against user passing a null pointer.
  // Note that GLES2 spec does not say anything about how passing a null
  // pointer should be treated.  Testing on desktop core GL 3, the application
  // crashes on glGetIntegerv to a null pointer, but better to report an error
  // instead of doing anything random.
  if (!p) {
    GL.recordError(1281);
    return;
  }
  var ret = undefined;
  switch (name_) {
   // Handle a few trivial GLES values
    case 36346:
    // GL_SHADER_COMPILER
    ret = 1;
    break;

   case 36344:
    // GL_SHADER_BINARY_FORMATS
    if (type != 0 && type != 1) {
      GL.recordError(1280);
    }
    // Do not write anything to the out pointer, since no binary formats are
    // supported.
    return;

   case 36345:
    // GL_NUM_SHADER_BINARY_FORMATS
    ret = 0;
    break;

   case 34466:
    // GL_NUM_COMPRESSED_TEXTURE_FORMATS
    // WebGL doesn't have GL_NUM_COMPRESSED_TEXTURE_FORMATS (it's obsolete
    // since GL_COMPRESSED_TEXTURE_FORMATS returns a JS array that can be
    // queried for length), so implement it ourselves to allow C++ GLES2
    // code get the length.
    var formats = GLctx.getParameter(34467);
    ret = formats ? formats.length : 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);
      // GL_INVALID_ENUM
      return;

     case "object":
      if (result === null) {
        // null is a valid result for some (e.g., which buffer is bound -
        // perhaps nothing is bound), but otherwise can mean an invalid
        // name_, which we need to report as an error
        switch (name_) {
         case 34964:
         // ARRAY_BUFFER_BINDING
          case 35725:
         // CURRENT_PROGRAM
          case 34965:
         // ELEMENT_ARRAY_BUFFER_BINDING
          case 36006:
         // FRAMEBUFFER_BINDING or DRAW_FRAMEBUFFER_BINDING
          case 36007:
         // RENDERBUFFER_BINDING
          case 32873:
         // TEXTURE_BINDING_2D
          case 34229:
         // WebGL 2 GL_VERTEX_ARRAY_BINDING, or WebGL 1 extension OES_vertex_array_object GL_VERTEX_ARRAY_BINDING_OES
          case 34068:
          {
            // TEXTURE_BINDING_CUBE_MAP
            ret = 0;
            break;
          }

         default:
          {
            GL.recordError(1280);
            // GL_INVALID_ENUM
            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:
            HEAP32[(((p) + (i * 4)) >>> 2) >>> 0] = result[i];
            break;

           case 2:
            HEAPF32[(((p) + (i * 4)) >>> 2) >>> 0] = result[i];
            break;

           case 4:
            HEAP8[(p) + (i) >>> 0] = result[i] ? 1 : 0;
            break;
          }
        }
        return;
      } else {
        try {
          ret = result.name | 0;
        } catch (e) {
          GL.recordError(1280);
          // GL_INVALID_ENUM
          err(`GL_INVALID_ENUM in glGet${type}v: Unknown object returned from WebGL getParameter(${name_})! (error: ${e})`);
          return;
        }
      }
      break;

     default:
      GL.recordError(1280);
      // GL_INVALID_ENUM
      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:
    HEAP32[((p) >>> 2) >>> 0] = ret;
    break;

   case 2:
    HEAPF32[((p) >>> 2) >>> 0] = ret;
    break;

   case 4:
    HEAP8[p >>> 0] = ret ? 1 : 0;
    break;
  }
};

/** @suppress {duplicate } */ function _glGetBooleanv(name_, p) {
  p >>>= 0;
  return emscriptenWebGLGet(name_, p, 4);
}

var _emscripten_glGetBooleanv = _glGetBooleanv;

/** @suppress {duplicate } */ function _glGetBufferParameteriv(target, value, data) {
  data >>>= 0;
  if (!data) {
    // GLES2 specification does not specify how to behave if data is a null
    // pointer. Since calling this function does not make sense if data ==
    // null, issue a GL error to notify user about it.
    GL.recordError(1281);
    return;
  }
  HEAP32[((data) >>> 2) >>> 0] = GLctx.getBufferParameter(target, value);
}

var _emscripten_glGetBufferParameteriv = _glGetBufferParameteriv;

/** @suppress {duplicate } */ var _glGetError = () => {
  var error = GLctx.getError() || GL.lastError;
  GL.lastError = 0;
  return error;
};

var _emscripten_glGetError = _glGetError;

/** @suppress {duplicate } */ function _glGetFloatv(name_, p) {
  p >>>= 0;
  return emscriptenWebGLGet(name_, p, 2);
}

var _emscripten_glGetFloatv = _glGetFloatv;

/** @suppress {duplicate } */ function _glGetFramebufferAttachmentParameteriv(target, attachment, pname, params) {
  params >>>= 0;
  var result = GLctx.getFramebufferAttachmentParameter(target, attachment, pname);
  if (result instanceof WebGLRenderbuffer || result instanceof WebGLTexture) {
    result = result.name | 0;
  }
  HEAP32[((params) >>> 2) >>> 0] = result;
}

var _emscripten_glGetFramebufferAttachmentParameteriv = _glGetFramebufferAttachmentParameteriv;

/** @suppress {duplicate } */ function _glGetIntegerv(name_, p) {
  p >>>= 0;
  return emscriptenWebGLGet(name_, p, 0);
}

var _emscripten_glGetIntegerv = _glGetIntegerv;

/** @suppress {duplicate } */ function _glGetProgramInfoLog(program, maxLength, length, infoLog) {
  length >>>= 0;
  infoLog >>>= 0;
  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) HEAP32[((length) >>> 2) >>> 0] = numBytesWrittenExclNull;
}

var _emscripten_glGetProgramInfoLog = _glGetProgramInfoLog;

/** @suppress {duplicate } */ function _glGetProgramiv(program, pname, p) {
  p >>>= 0;
  if (!p) {
    // GLES2 specification does not specify how to behave if p is a null
    // pointer. Since calling this function does not make sense if p == null,
    // issue a GL error to notify user about it.
    GL.recordError(1281);
    return;
  }
  if (program >= GL.counter) {
    GL.recordError(1281);
    return;
  }
  program = GL.programs[program];
  if (pname == 35716) {
    // GL_INFO_LOG_LENGTH
    var log = GLctx.getProgramInfoLog(program);
    if (log === null) log = "(unknown error)";
    HEAP32[((p) >>> 2) >>> 0] = log.length + 1;
  } else if (pname == 35719) {
    if (!program.maxUniformLength) {
      var numActiveUniforms = GLctx.getProgramParameter(program, 35718);
      for (var i = 0; i < numActiveUniforms; ++i) {
        program.maxUniformLength = Math.max(program.maxUniformLength, GLctx.getActiveUniform(program, i).name.length + 1);
      }
    }
    HEAP32[((p) >>> 2) >>> 0] = program.maxUniformLength;
  } else if (pname == 35722) {
    if (!program.maxAttributeLength) {
      var numActiveAttributes = GLctx.getProgramParameter(program, 35721);
      for (var i = 0; i < numActiveAttributes; ++i) {
        program.maxAttributeLength = Math.max(program.maxAttributeLength, GLctx.getActiveAttrib(program, i).name.length + 1);
      }
    }
    HEAP32[((p) >>> 2) >>> 0] = program.maxAttributeLength;
  } else if (pname == 35381) {
    if (!program.maxUniformBlockNameLength) {
      var numActiveUniformBlocks = GLctx.getProgramParameter(program, 35382);
      for (var i = 0; i < numActiveUniformBlocks; ++i) {
        program.maxUniformBlockNameLength = Math.max(program.maxUniformBlockNameLength, GLctx.getActiveUniformBlockName(program, i).length + 1);
      }
    }
    HEAP32[((p) >>> 2) >>> 0] = program.maxUniformBlockNameLength;
  } else {
    HEAP32[((p) >>> 2) >>> 0] = GLctx.getProgramParameter(program, pname);
  }
}

var _emscripten_glGetProgramiv = _glGetProgramiv;

/** @suppress {duplicate } */ function _glGetQueryObjecti64vEXT(id, pname, params) {
  params >>>= 0;
  if (!params) {
    // GLES2 specification does not specify how to behave if params is a null pointer. Since calling this function does not make sense
    // if p == null, issue a GL error to notify user about it.
    GL.recordError(1281);
    return;
  }
  var query = GL.queries[id];
  var param;
  {
    param = GLctx.disjointTimerQueryExt["getQueryObjectEXT"](query, pname);
  }
  var ret;
  if (typeof param == "boolean") {
    ret = param ? 1 : 0;
  } else {
    ret = param;
  }
  writeI53ToI64(params, ret);
}

var _emscripten_glGetQueryObjecti64vEXT = _glGetQueryObjecti64vEXT;

/** @suppress {duplicate } */ function _glGetQueryObjectivEXT(id, pname, params) {
  params >>>= 0;
  if (!params) {
    // GLES2 specification does not specify how to behave if params is a null pointer. Since calling this function does not make sense
    // if p == null, issue a GL error to notify user about it.
    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;
  }
  HEAP32[((params) >>> 2) >>> 0] = ret;
}

var _emscripten_glGetQueryObjectivEXT = _glGetQueryObjectivEXT;

/** @suppress {duplicate } */ var _glGetQueryObjectui64vEXT = _glGetQueryObjecti64vEXT;

var _emscripten_glGetQueryObjectui64vEXT = _glGetQueryObjectui64vEXT;

/** @suppress {duplicate } */ var _glGetQueryObjectuivEXT = _glGetQueryObjectivEXT;

var _emscripten_glGetQueryObjectuivEXT = _glGetQueryObjectuivEXT;

/** @suppress {duplicate } */ function _glGetQueryivEXT(target, pname, params) {
  params >>>= 0;
  if (!params) {
    // GLES2 specification does not specify how to behave if params is a null pointer. Since calling this function does not make sense
    // if p == null, issue a GL error to notify user about it.
    GL.recordError(1281);
    return;
  }
  HEAP32[((params) >>> 2) >>> 0] = GLctx.disjointTimerQueryExt["getQueryEXT"](target, pname);
}

var _emscripten_glGetQueryivEXT = _glGetQueryivEXT;

/** @suppress {duplicate } */ function _glGetRenderbufferParameteriv(target, pname, params) {
  params >>>= 0;
  if (!params) {
    // GLES2 specification does not specify how to behave if params is a null pointer. Since calling this function does not make sense
    // if params == null, issue a GL error to notify user about it.
    GL.recordError(1281);
    return;
  }
  HEAP32[((params) >>> 2) >>> 0] = GLctx.getRenderbufferParameter(target, pname);
}

var _emscripten_glGetRenderbufferParameteriv = _glGetRenderbufferParameteriv;

/** @suppress {duplicate } */ function _glGetShaderInfoLog(shader, maxLength, length, infoLog) {
  length >>>= 0;
  infoLog >>>= 0;
  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) HEAP32[((length) >>> 2) >>> 0] = numBytesWrittenExclNull;
}

var _emscripten_glGetShaderInfoLog = _glGetShaderInfoLog;

/** @suppress {duplicate } */ function _glGetShaderPrecisionFormat(shaderType, precisionType, range, precision) {
  range >>>= 0;
  precision >>>= 0;
  var result = GLctx.getShaderPrecisionFormat(shaderType, precisionType);
  HEAP32[((range) >>> 2) >>> 0] = result.rangeMin;
  HEAP32[(((range) + (4)) >>> 2) >>> 0] = result.rangeMax;
  HEAP32[((precision) >>> 2) >>> 0] = result.precision;
}

var _emscripten_glGetShaderPrecisionFormat = _glGetShaderPrecisionFormat;

/** @suppress {duplicate } */ function _glGetShaderSource(shader, bufSize, length, source) {
  length >>>= 0;
  source >>>= 0;
  var result = GLctx.getShaderSource(GL.shaders[shader]);
  if (!result) return;
  // If an error occurs, nothing will be written to length or source.
  var numBytesWrittenExclNull = (bufSize > 0 && source) ? stringToUTF8(result, source, bufSize) : 0;
  if (length) HEAP32[((length) >>> 2) >>> 0] = numBytesWrittenExclNull;
}

var _emscripten_glGetShaderSource = _glGetShaderSource;

/** @suppress {duplicate } */ function _glGetShaderiv(shader, pname, p) {
  p >>>= 0;
  if (!p) {
    // GLES2 specification does not specify how to behave if p is a null
    // pointer. Since calling this function does not make sense if p == null,
    // issue a GL error to notify user about it.
    GL.recordError(1281);
    return;
  }
  if (pname == 35716) {
    // GL_INFO_LOG_LENGTH
    var log = GLctx.getShaderInfoLog(GL.shaders[shader]);
    if (log === null) log = "(unknown error)";
    // The GLES2 specification says that if the shader has an empty info log,
    // a value of 0 is returned. Otherwise the log has a null char appended.
    // (An empty string is falsey, so we can just check that instead of
    // looking at log.length.)
    var logLength = log ? log.length + 1 : 0;
    HEAP32[((p) >>> 2) >>> 0] = logLength;
  } else if (pname == 35720) {
    // GL_SHADER_SOURCE_LENGTH
    var source = GLctx.getShaderSource(GL.shaders[shader]);
    // source may be a null, or the empty string, both of which are falsey
    // values that we report a 0 length for.
    var sourceLength = source ? source.length + 1 : 0;
    HEAP32[((p) >>> 2) >>> 0] = sourceLength;
  } else {
    HEAP32[((p) >>> 2) >>> 0] = GLctx.getShaderParameter(GL.shaders[shader], pname);
  }
}

var _emscripten_glGetShaderiv = _glGetShaderiv;

var webglGetExtensions = () => {
  var exts = getEmscriptenSupportedExtensions(GLctx);
  exts = exts.concat(exts.map(e => "GL_" + e));
  return exts;
};

/** @suppress {duplicate } */ function _glGetString(name_) {
  var ret = GL.stringCache[name_];
  if (!ret) {
    switch (name_) {
     case 7939:
      ret = stringToNewUTF8(webglGetExtensions().join(" "));
      break;

     case 7936:
     case 7937:
     case 37445:
     case 37446:
      var s = GLctx.getParameter(name_);
      if (!s) {
        GL.recordError(1280);
      }
      ret = s ? stringToNewUTF8(s) : 0;
      break;

     case 7938:
      var webGLVersion = GLctx.getParameter(7938);
      // return GLES version string corresponding to the version of the WebGL context
      var glVersion = `OpenGL ES 2.0 (${webGLVersion})`;
      ret = stringToNewUTF8(glVersion);
      break;

     case 35724:
      var glslVersion = GLctx.getParameter(35724);
      // extract the version number 'N.M' from the string 'WebGL GLSL ES N.M ...'
      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";
        // ensure minor version has 2 digits
        glslVersion = `OpenGL ES GLSL ES ${ver_num[1]} (${glslVersion})`;
      }
      ret = stringToNewUTF8(glslVersion);
      break;

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

var _emscripten_glGetString = _glGetString;

/** @suppress {duplicate } */ function _glGetTexParameterfv(target, pname, params) {
  params >>>= 0;
  if (!params) {
    // GLES2 specification does not specify how to behave if params is a null
    // pointer. Since calling this function does not make sense if p == null,
    // issue a GL error to notify user about it.
    GL.recordError(1281);
    return;
  }
  HEAPF32[((params) >>> 2) >>> 0] = GLctx.getTexParameter(target, pname);
}

var _emscripten_glGetTexParameterfv = _glGetTexParameterfv;

/** @suppress {duplicate } */ function _glGetTexParameteriv(target, pname, params) {
  params >>>= 0;
  if (!params) {
    // GLES2 specification does not specify how to behave if params is a null
    // pointer. Since calling this function does not make sense if p == null,
    // issue a GL error to notify user about it.
    GL.recordError(1281);
    return;
  }
  HEAP32[((params) >>> 2) >>> 0] = GLctx.getTexParameter(target, pname);
}

var _emscripten_glGetTexParameteriv = _glGetTexParameteriv;

/** @suppress {checkTypes} */ var jstoi_q = str => parseInt(str);

/** @noinline */ var webglGetLeftBracePos = name => name.slice(-1) == "]" && name.lastIndexOf("[");

var webglPrepareUniformLocationsBeforeFirstUse = program => {
  var uniformLocsById = program.uniformLocsById, // Maps GLuint -> WebGLUniformLocation
  uniformSizeAndIdsByName = program.uniformSizeAndIdsByName, // Maps name -> [uniform array length, GLuint]
  i, j;
  // On the first time invocation of glGetUniformLocation on this shader program:
  // initialize cache data structures and discover which uniforms are arrays.
  if (!uniformLocsById) {
    // maps GLint integer locations to WebGLUniformLocations
    program.uniformLocsById = uniformLocsById = {};
    // maps integer locations back to uniform name strings, so that we can lazily fetch uniform array locations
    program.uniformArrayNamesById = {};
    var numActiveUniforms = GLctx.getProgramParameter(program, 35718);
    for (i = 0; i < numActiveUniforms; ++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;
      // Assign a new location.
      var id = program.uniformIdCounter;
      program.uniformIdCounter += sz;
      // Eagerly get the location of the uniformArray[0] base element.
      // The remaining indices >0 will be left for lazy evaluation to
      // improve performance. Those may never be needed to fetch, if the
      // application fills arrays always in full starting from the first
      // element of the array.
      uniformSizeAndIdsByName[arrayName] = [ sz, id ];
      // Store placeholder integers in place that highlight that these
      // >0 index locations are array indices pending population.
      for (j = 0; j < sz; ++j) {
        uniformLocsById[id] = j;
        program.uniformArrayNamesById[id++] = arrayName;
      }
    }
  }
};

/** @suppress {duplicate } */ function _glGetUniformLocation(program, name) {
  name >>>= 0;
  name = UTF8ToString(name);
  if (program = GL.programs[program]) {
    webglPrepareUniformLocationsBeforeFirstUse(program);
    var uniformLocsById = program.uniformLocsById;
    // Maps GLuint -> WebGLUniformLocation
    var arrayIndex = 0;
    var uniformBaseName = name;
    // Invariant: when populating integer IDs for uniform locations, we must
    // maintain the precondition that arrays reside in contiguous addresses,
    // i.e. for a 'vec4 colors[10];', colors[4] must be at location
    // colors[0]+4.  However, user might call glGetUniformLocation(program,
    // "colors") for an array, so we cannot discover based on the user input
    // arguments whether the uniform we are dealing with is an array. The only
    // way to discover which uniforms are arrays is to enumerate over all the
    // active uniforms in the program.
    var leftBrace = webglGetLeftBracePos(name);
    // If user passed an array accessor "[index]", parse the array index off the accessor.
    if (leftBrace > 0) {
      arrayIndex = jstoi_q(name.slice(leftBrace + 1)) >>> 0;
      // "index]", coerce parseInt(']') with >>>0 to treat "foo[]" as "foo[0]" and foo[-1] as unsigned out-of-bounds.
      uniformBaseName = name.slice(0, leftBrace);
    }
    // Have we cached the location of this uniform before?
    // A pair [array length, GLint of the uniform location]
    var sizeAndId = program.uniformSizeAndIdsByName[uniformBaseName];
    // If an uniform with this name exists, and if its index is within the
    // array limits (if it's even an array), query the WebGLlocation, or
    // return an existing cached location.
    if (sizeAndId && arrayIndex < sizeAndId[0]) {
      arrayIndex += sizeAndId[1];
      // Add the base location of the uniform to the array index offset.
      if ((uniformLocsById[arrayIndex] = uniformLocsById[arrayIndex] || GLctx.getUniformLocation(program, name))) {
        return arrayIndex;
      }
    }
  } else {
    // N.b. we are currently unable to distinguish between GL program IDs that
    // never existed vs GL program IDs that have been deleted, so report
    // GL_INVALID_VALUE in both cases.
    GL.recordError(1281);
  }
  return -1;
}

var _emscripten_glGetUniformLocation = _glGetUniformLocation;

var webglGetUniformLocation = location => {
  var p = GLctx.currentProgram;
  if (p) {
    var webglLoc = p.uniformLocsById[location];
    // p.uniformLocsById[location] stores either an integer, or a
    // WebGLUniformLocation.
    // If an integer, we have not yet bound the location, so do it now. The
    // integer value specifies the array index we should bind to.
    if (typeof webglLoc == "number") {
      p.uniformLocsById[location] = webglLoc = GLctx.getUniformLocation(p, p.uniformArrayNamesById[location] + (webglLoc > 0 ? `[${webglLoc}]` : ""));
    }
    // Else an already cached WebGLUniformLocation, return it.
    return webglLoc;
  } else {
    GL.recordError(1282);
  }
};

/** @suppress{checkTypes} */ var emscriptenWebGLGetUniform = (program, location, params, type) => {
  if (!params) {
    // GLES2 specification does not specify how to behave if params is a null
    // pointer. Since calling this function does not make sense if params ==
    // null, issue a GL error to notify user about it.
    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:
      HEAP32[((params) >>> 2) >>> 0] = data;
      break;

     case 2:
      HEAPF32[((params) >>> 2) >>> 0] = data;
      break;
    }
  } else {
    for (var i = 0; i < data.length; i++) {
      switch (type) {
       case 0:
        HEAP32[(((params) + (i * 4)) >>> 2) >>> 0] = data[i];
        break;

       case 2:
        HEAPF32[(((params) + (i * 4)) >>> 2) >>> 0] = data[i];
        break;
      }
    }
  }
};

/** @suppress {duplicate } */ function _glGetUniformfv(program, location, params) {
  params >>>= 0;
  emscriptenWebGLGetUniform(program, location, params, 2);
}

var _emscripten_glGetUniformfv = _glGetUniformfv;

/** @suppress {duplicate } */ function _glGetUniformiv(program, location, params) {
  params >>>= 0;
  emscriptenWebGLGetUniform(program, location, params, 0);
}

var _emscripten_glGetUniformiv = _glGetUniformiv;

/** @suppress {duplicate } */ function _glGetVertexAttribPointerv(index, pname, pointer) {
  pointer >>>= 0;
  if (!pointer) {
    // GLES2 specification does not specify how to behave if pointer is a null
    // pointer. Since calling this function does not make sense if pointer ==
    // null, issue a GL error to notify user about it.
    GL.recordError(1281);
    return;
  }
  HEAP32[((pointer) >>> 2) >>> 0] = GLctx.getVertexAttribOffset(index, pname);
}

var _emscripten_glGetVertexAttribPointerv = _glGetVertexAttribPointerv;

/** @suppress{checkTypes} */ var emscriptenWebGLGetVertexAttrib = (index, pname, params, type) => {
  if (!params) {
    // GLES2 specification does not specify how to behave if params is a null
    // pointer. Since calling this function does not make sense if params ==
    // null, issue a GL error to notify user about it.
    GL.recordError(1281);
    return;
  }
  var data = GLctx.getVertexAttrib(index, pname);
  if (pname == 34975) {
    HEAP32[((params) >>> 2) >>> 0] = data && data["name"];
  } else if (typeof data == "number" || typeof data == "boolean") {
    switch (type) {
     case 0:
      HEAP32[((params) >>> 2) >>> 0] = data;
      break;

     case 2:
      HEAPF32[((params) >>> 2) >>> 0] = data;
      break;

     case 5:
      HEAP32[((params) >>> 2) >>> 0] = Math.fround(data);
      break;
    }
  } else {
    for (var i = 0; i < data.length; i++) {
      switch (type) {
       case 0:
        HEAP32[(((params) + (i * 4)) >>> 2) >>> 0] = data[i];
        break;

       case 2:
        HEAPF32[(((params) + (i * 4)) >>> 2) >>> 0] = data[i];
        break;

       case 5:
        HEAP32[(((params) + (i * 4)) >>> 2) >>> 0] = Math.fround(data[i]);
        break;
      }
    }
  }
};

/** @suppress {duplicate } */ function _glGetVertexAttribfv(index, pname, params) {
  params >>>= 0;
  // N.B. This function may only be called if the vertex attribute was
  // specified using the function glVertexAttrib*f(), otherwise the results
  // are undefined. (GLES3 spec 6.1.12)
  emscriptenWebGLGetVertexAttrib(index, pname, params, 2);
}

var _emscripten_glGetVertexAttribfv = _glGetVertexAttribfv;

/** @suppress {duplicate } */ function _glGetVertexAttribiv(index, pname, params) {
  params >>>= 0;
  // N.B. This function may only be called if the vertex attribute was
  // specified using the function glVertexAttrib*f(), otherwise the results
  // are undefined. (GLES3 spec 6.1.12)
  emscriptenWebGLGetVertexAttrib(index, pname, params, 5);
}

var _emscripten_glGetVertexAttribiv = _glGetVertexAttribiv;

/** @suppress {duplicate } */ var _glHint = (x0, x1) => GLctx.hint(x0, x1);

var _emscripten_glHint = _glHint;

/** @suppress {duplicate } */ var _glIsBuffer = buffer => {
  var b = GL.buffers[buffer];
  if (!b) return 0;
  return GLctx.isBuffer(b);
};

var _emscripten_glIsBuffer = _glIsBuffer;

/** @suppress {duplicate } */ var _glIsEnabled = x0 => GLctx.isEnabled(x0);

var _emscripten_glIsEnabled = _glIsEnabled;

/** @suppress {duplicate } */ var _glIsFramebuffer = framebuffer => {
  var fb = GL.framebuffers[framebuffer];
  if (!fb) return 0;
  return GLctx.isFramebuffer(fb);
};

var _emscripten_glIsFramebuffer = _glIsFramebuffer;

/** @suppress {duplicate } */ var _glIsProgram = program => {
  program = GL.programs[program];
  if (!program) return 0;
  return GLctx.isProgram(program);
};

var _emscripten_glIsProgram = _glIsProgram;

/** @suppress {duplicate } */ var _glIsQueryEXT = id => {
  var query = GL.queries[id];
  if (!query) return 0;
  return GLctx.disjointTimerQueryExt["isQueryEXT"](query);
};

var _emscripten_glIsQueryEXT = _glIsQueryEXT;

/** @suppress {duplicate } */ var _glIsRenderbuffer = renderbuffer => {
  var rb = GL.renderbuffers[renderbuffer];
  if (!rb) return 0;
  return GLctx.isRenderbuffer(rb);
};

var _emscripten_glIsRenderbuffer = _glIsRenderbuffer;

/** @suppress {duplicate } */ var _glIsShader = shader => {
  var s = GL.shaders[shader];
  if (!s) return 0;
  return GLctx.isShader(s);
};

var _emscripten_glIsShader = _glIsShader;

/** @suppress {duplicate } */ var _glIsTexture = id => {
  var texture = GL.textures[id];
  if (!texture) return 0;
  return GLctx.isTexture(texture);
};

var _emscripten_glIsTexture = _glIsTexture;

/** @suppress {duplicate } */ var _glIsVertexArray = array => {
  var vao = GL.vaos[array];
  if (!vao) return 0;
  return GLctx.isVertexArray(vao);
};

/** @suppress {duplicate } */ var _glIsVertexArrayOES = _glIsVertexArray;

var _emscripten_glIsVertexArrayOES = _glIsVertexArrayOES;

/** @suppress {duplicate } */ var _glLineWidth = x0 => GLctx.lineWidth(x0);

var _emscripten_glLineWidth = _glLineWidth;

/** @suppress {duplicate } */ var _glLinkProgram = program => {
  program = GL.programs[program];
  GLctx.linkProgram(program);
  // Invalidate earlier computed uniform->ID mappings, those have now become stale
  program.uniformLocsById = 0;
  // Mark as null-like so that glGetUniformLocation() knows to populate this again.
  program.uniformSizeAndIdsByName = {};
};

var _emscripten_glLinkProgram = _glLinkProgram;

/** @suppress {duplicate } */ var _glPixelStorei = (pname, param) => {
  if (pname == 3317) {
    GL.unpackAlignment = param;
  } else if (pname == 3314) {
    GL.unpackRowLength = param;
  }
  GLctx.pixelStorei(pname, param);
};

var _emscripten_glPixelStorei = _glPixelStorei;

/** @suppress {duplicate } */ var _glPolygonModeWEBGL = (face, mode) => {
  GLctx.webglPolygonMode["polygonModeWEBGL"](face, mode);
};

var _emscripten_glPolygonModeWEBGL = _glPolygonModeWEBGL;

/** @suppress {duplicate } */ var _glPolygonOffset = (x0, x1) => GLctx.polygonOffset(x0, x1);

var _emscripten_glPolygonOffset = _glPolygonOffset;

/** @suppress {duplicate } */ var _glPolygonOffsetClampEXT = (factor, units, clamp) => {
  GLctx.extPolygonOffsetClamp["polygonOffsetClampEXT"](factor, units, clamp);
};

var _emscripten_glPolygonOffsetClampEXT = _glPolygonOffsetClampEXT;

/** @suppress {duplicate } */ var _glQueryCounterEXT = (id, target) => {
  GLctx.disjointTimerQueryExt["queryCounterEXT"](GL.queries[id], target);
};

var _emscripten_glQueryCounterEXT = _glQueryCounterEXT;

var computeUnpackAlignedImageSize = (width, height, sizePerPixel) => {
  function roundedToNextMultipleOf(x, y) {
    return (x + y - 1) & -y;
  }
  var plainRowSize = (GL.unpackRowLength || width) * sizePerPixel;
  var alignedRowSize = roundedToNextMultipleOf(plainRowSize, GL.unpackAlignment);
  return height * alignedRowSize;
};

var colorChannelsInGlTextureFormat = format => {
  // Micro-optimizations for size: map format to size by subtracting smallest
  // enum value (0x1902) from all values first.  Also omit the most common
  // size value (1) from the list, which is assumed by formats not on the
  // list.
  var colorChannels = {
    // 0x1902 /* GL_DEPTH_COMPONENT */ - 0x1902: 1,
    // 0x1906 /* GL_ALPHA */ - 0x1902: 1,
    5: 3,
    6: 4,
    // 0x1909 /* GL_LUMINANCE */ - 0x1902: 1,
    8: 2,
    29502: 3,
    29504: 4
  };
  return colorChannels[format - 6402] || 1;
};

var heapObjectForWebGLType = type => {
  // Micro-optimization for size: Subtract lowest GL enum number (0x1400/* GL_BYTE */) from type to compare
  // smaller values for the heap, for shorter generated code size.
  // Also the type HEAPU16 is not tested for explicitly, but any unrecognized type will return out HEAPU16.
  // (since most types are HEAPU16)
  type -= 5120;
  if (type == 1) return HEAPU8;
  if (type == 4) return HEAP32;
  if (type == 6) return HEAPF32;
  if (type == 5 || type == 28922) return HEAPU32;
  return HEAPU16;
};

var toTypedArrayIndex = (pointer, heap) => pointer >>> (31 - Math.clz32(heap.BYTES_PER_ELEMENT));

var emscriptenWebGLGetTexPixelData = (type, format, width, height, pixels, internalFormat) => {
  var heap = heapObjectForWebGLType(type);
  var sizePerPixel = colorChannelsInGlTextureFormat(format) * heap.BYTES_PER_ELEMENT;
  var bytes = computeUnpackAlignedImageSize(width, height, sizePerPixel);
  return heap.subarray(toTypedArrayIndex(pixels, heap) >>> 0, toTypedArrayIndex(pixels + bytes, heap) >>> 0);
};

/** @suppress {duplicate } */ function _glReadPixels(x, y, width, height, format, type, pixels) {
  pixels >>>= 0;
  var pixelData = emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, format);
  if (!pixelData) {
    GL.recordError(1280);
    return;
  }
  GLctx.readPixels(x, y, width, height, format, type, pixelData);
}

var _emscripten_glReadPixels = _glReadPixels;

/** @suppress {duplicate } */ var _glReleaseShaderCompiler = () => {};

var _emscripten_glReleaseShaderCompiler = _glReleaseShaderCompiler;

/** @suppress {duplicate } */ var _glRenderbufferStorage = (x0, x1, x2, x3) => GLctx.renderbufferStorage(x0, x1, x2, x3);

var _emscripten_glRenderbufferStorage = _glRenderbufferStorage;

/** @suppress {duplicate } */ var _glSampleCoverage = (value, invert) => {
  GLctx.sampleCoverage(value, !!invert);
};

var _emscripten_glSampleCoverage = _glSampleCoverage;

/** @suppress {duplicate } */ var _glScissor = (x0, x1, x2, x3) => GLctx.scissor(x0, x1, x2, x3);

var _emscripten_glScissor = _glScissor;

/** @suppress {duplicate } */ function _glShaderBinary(count, shaders, binaryformat, binary, length) {
  shaders >>>= 0;
  binary >>>= 0;
  GL.recordError(1280);
}

var _emscripten_glShaderBinary = _glShaderBinary;

/** @suppress {duplicate } */ function _glShaderSource(shader, count, string, length) {
  string >>>= 0;
  length >>>= 0;
  var source = GL.getSource(shader, count, string, length);
  GLctx.shaderSource(GL.shaders[shader], source);
}

var _emscripten_glShaderSource = _glShaderSource;

/** @suppress {duplicate } */ var _glStencilFunc = (x0, x1, x2) => GLctx.stencilFunc(x0, x1, x2);

var _emscripten_glStencilFunc = _glStencilFunc;

/** @suppress {duplicate } */ var _glStencilFuncSeparate = (x0, x1, x2, x3) => GLctx.stencilFuncSeparate(x0, x1, x2, x3);

var _emscripten_glStencilFuncSeparate = _glStencilFuncSeparate;

/** @suppress {duplicate } */ var _glStencilMask = x0 => GLctx.stencilMask(x0);

var _emscripten_glStencilMask = _glStencilMask;

/** @suppress {duplicate } */ var _glStencilMaskSeparate = (x0, x1) => GLctx.stencilMaskSeparate(x0, x1);

var _emscripten_glStencilMaskSeparate = _glStencilMaskSeparate;

/** @suppress {duplicate } */ var _glStencilOp = (x0, x1, x2) => GLctx.stencilOp(x0, x1, x2);

var _emscripten_glStencilOp = _glStencilOp;

/** @suppress {duplicate } */ var _glStencilOpSeparate = (x0, x1, x2, x3) => GLctx.stencilOpSeparate(x0, x1, x2, x3);

var _emscripten_glStencilOpSeparate = _glStencilOpSeparate;

/** @suppress {duplicate } */ function _glTexImage2D(target, level, internalFormat, width, height, border, format, type, pixels) {
  pixels >>>= 0;
  var pixelData = pixels ? emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, internalFormat) : null;
  GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, pixelData);
}

var _emscripten_glTexImage2D = _glTexImage2D;

/** @suppress {duplicate } */ var _glTexParameterf = (x0, x1, x2) => GLctx.texParameterf(x0, x1, x2);

var _emscripten_glTexParameterf = _glTexParameterf;

/** @suppress {duplicate } */ function _glTexParameterfv(target, pname, params) {
  params >>>= 0;
  var param = HEAPF32[((params) >>> 2) >>> 0];
  GLctx.texParameterf(target, pname, param);
}

var _emscripten_glTexParameterfv = _glTexParameterfv;

/** @suppress {duplicate } */ var _glTexParameteri = (x0, x1, x2) => GLctx.texParameteri(x0, x1, x2);

var _emscripten_glTexParameteri = _glTexParameteri;

/** @suppress {duplicate } */ function _glTexParameteriv(target, pname, params) {
  params >>>= 0;
  var param = HEAP32[((params) >>> 2) >>> 0];
  GLctx.texParameteri(target, pname, param);
}

var _emscripten_glTexParameteriv = _glTexParameteriv;

/** @suppress {duplicate } */ function _glTexSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixels) {
  pixels >>>= 0;
  var pixelData = pixels ? emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, 0) : null;
  GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixelData);
}

var _emscripten_glTexSubImage2D = _glTexSubImage2D;

/** @suppress {duplicate } */ var _glUniform1f = (location, v0) => {
  GLctx.uniform1f(webglGetUniformLocation(location), v0);
};

var _emscripten_glUniform1f = _glUniform1f;

var miniTempWebGLFloatBuffers = [];

/** @suppress {duplicate } */ function _glUniform1fv(location, count, value) {
  value >>>= 0;
  if (count <= 288) {
    // avoid allocation when uploading few enough uniforms
    var view = miniTempWebGLFloatBuffers[count];
    for (var i = 0; i < count; ++i) {
      view[i] = HEAPF32[(((value) + (4 * i)) >>> 2) >>> 0];
    }
  } else {
    var view = HEAPF32.subarray((((value) >>> 2)) >>> 0, ((value + count * 4) >>> 2) >>> 0);
  }
  GLctx.uniform1fv(webglGetUniformLocation(location), view);
}

var _emscripten_glUniform1fv = _glUniform1fv;

/** @suppress {duplicate } */ var _glUniform1i = (location, v0) => {
  GLctx.uniform1i(webglGetUniformLocation(location), v0);
};

var _emscripten_glUniform1i = _glUniform1i;

var miniTempWebGLIntBuffers = [];

/** @suppress {duplicate } */ function _glUniform1iv(location, count, value) {
  value >>>= 0;
  if (count <= 288) {
    // avoid allocation when uploading few enough uniforms
    var view = miniTempWebGLIntBuffers[count];
    for (var i = 0; i < count; ++i) {
      view[i] = HEAP32[(((value) + (4 * i)) >>> 2) >>> 0];
    }
  } else {
    var view = HEAP32.subarray((((value) >>> 2)) >>> 0, ((value + count * 4) >>> 2) >>> 0);
  }
  GLctx.uniform1iv(webglGetUniformLocation(location), view);
}

var _emscripten_glUniform1iv = _glUniform1iv;

/** @suppress {duplicate } */ var _glUniform2f = (location, v0, v1) => {
  GLctx.uniform2f(webglGetUniformLocation(location), v0, v1);
};

var _emscripten_glUniform2f = _glUniform2f;

/** @suppress {duplicate } */ function _glUniform2fv(location, count, value) {
  value >>>= 0;
  if (count <= 144) {
    // avoid allocation when uploading few enough uniforms
    count *= 2;
    var view = miniTempWebGLFloatBuffers[count];
    for (var i = 0; i < count; i += 2) {
      view[i] = HEAPF32[(((value) + (4 * i)) >>> 2) >>> 0];
      view[i + 1] = HEAPF32[(((value) + (4 * i + 4)) >>> 2) >>> 0];
    }
  } else {
    var view = HEAPF32.subarray((((value) >>> 2)) >>> 0, ((value + count * 8) >>> 2) >>> 0);
  }
  GLctx.uniform2fv(webglGetUniformLocation(location), view);
}

var _emscripten_glUniform2fv = _glUniform2fv;

/** @suppress {duplicate } */ var _glUniform2i = (location, v0, v1) => {
  GLctx.uniform2i(webglGetUniformLocation(location), v0, v1);
};

var _emscripten_glUniform2i = _glUniform2i;

/** @suppress {duplicate } */ function _glUniform2iv(location, count, value) {
  value >>>= 0;
  if (count <= 144) {
    // avoid allocation when uploading few enough uniforms
    count *= 2;
    var view = miniTempWebGLIntBuffers[count];
    for (var i = 0; i < count; i += 2) {
      view[i] = HEAP32[(((value) + (4 * i)) >>> 2) >>> 0];
      view[i + 1] = HEAP32[(((value) + (4 * i + 4)) >>> 2) >>> 0];
    }
  } else {
    var view = HEAP32.subarray((((value) >>> 2)) >>> 0, ((value + count * 8) >>> 2) >>> 0);
  }
  GLctx.uniform2iv(webglGetUniformLocation(location), view);
}

var _emscripten_glUniform2iv = _glUniform2iv;

/** @suppress {duplicate } */ var _glUniform3f = (location, v0, v1, v2) => {
  GLctx.uniform3f(webglGetUniformLocation(location), v0, v1, v2);
};

var _emscripten_glUniform3f = _glUniform3f;

/** @suppress {duplicate } */ function _glUniform3fv(location, count, value) {
  value >>>= 0;
  if (count <= 96) {
    // avoid allocation when uploading few enough uniforms
    count *= 3;
    var view = miniTempWebGLFloatBuffers[count];
    for (var i = 0; i < count; i += 3) {
      view[i] = HEAPF32[(((value) + (4 * i)) >>> 2) >>> 0];
      view[i + 1] = HEAPF32[(((value) + (4 * i + 4)) >>> 2) >>> 0];
      view[i + 2] = HEAPF32[(((value) + (4 * i + 8)) >>> 2) >>> 0];
    }
  } else {
    var view = HEAPF32.subarray((((value) >>> 2)) >>> 0, ((value + count * 12) >>> 2) >>> 0);
  }
  GLctx.uniform3fv(webglGetUniformLocation(location), view);
}

var _emscripten_glUniform3fv = _glUniform3fv;

/** @suppress {duplicate } */ var _glUniform3i = (location, v0, v1, v2) => {
  GLctx.uniform3i(webglGetUniformLocation(location), v0, v1, v2);
};

var _emscripten_glUniform3i = _glUniform3i;

/** @suppress {duplicate } */ function _glUniform3iv(location, count, value) {
  value >>>= 0;
  if (count <= 96) {
    // avoid allocation when uploading few enough uniforms
    count *= 3;
    var view = miniTempWebGLIntBuffers[count];
    for (var i = 0; i < count; i += 3) {
      view[i] = HEAP32[(((value) + (4 * i)) >>> 2) >>> 0];
      view[i + 1] = HEAP32[(((value) + (4 * i + 4)) >>> 2) >>> 0];
      view[i + 2] = HEAP32[(((value) + (4 * i + 8)) >>> 2) >>> 0];
    }
  } else {
    var view = HEAP32.subarray((((value) >>> 2)) >>> 0, ((value + count * 12) >>> 2) >>> 0);
  }
  GLctx.uniform3iv(webglGetUniformLocation(location), view);
}

var _emscripten_glUniform3iv = _glUniform3iv;

/** @suppress {duplicate } */ var _glUniform4f = (location, v0, v1, v2, v3) => {
  GLctx.uniform4f(webglGetUniformLocation(location), v0, v1, v2, v3);
};

var _emscripten_glUniform4f = _glUniform4f;

/** @suppress {duplicate } */ function _glUniform4fv(location, count, value) {
  value >>>= 0;
  if (count <= 72) {
    // avoid allocation when uploading few enough uniforms
    var view = miniTempWebGLFloatBuffers[4 * count];
    // hoist the heap out of the loop for size and for pthreads+growth.
    var heap = HEAPF32;
    value = ((value) >>> 2);
    count *= 4;
    for (var i = 0; i < count; i += 4) {
      var dst = value + i;
      view[i] = heap[dst >>> 0];
      view[i + 1] = heap[dst + 1 >>> 0];
      view[i + 2] = heap[dst + 2 >>> 0];
      view[i + 3] = heap[dst + 3 >>> 0];
    }
  } else {
    var view = HEAPF32.subarray((((value) >>> 2)) >>> 0, ((value + count * 16) >>> 2) >>> 0);
  }
  GLctx.uniform4fv(webglGetUniformLocation(location), view);
}

var _emscripten_glUniform4fv = _glUniform4fv;

/** @suppress {duplicate } */ var _glUniform4i = (location, v0, v1, v2, v3) => {
  GLctx.uniform4i(webglGetUniformLocation(location), v0, v1, v2, v3);
};

var _emscripten_glUniform4i = _glUniform4i;

/** @suppress {duplicate } */ function _glUniform4iv(location, count, value) {
  value >>>= 0;
  if (count <= 72) {
    // avoid allocation when uploading few enough uniforms
    count *= 4;
    var view = miniTempWebGLIntBuffers[count];
    for (var i = 0; i < count; i += 4) {
      view[i] = HEAP32[(((value) + (4 * i)) >>> 2) >>> 0];
      view[i + 1] = HEAP32[(((value) + (4 * i + 4)) >>> 2) >>> 0];
      view[i + 2] = HEAP32[(((value) + (4 * i + 8)) >>> 2) >>> 0];
      view[i + 3] = HEAP32[(((value) + (4 * i + 12)) >>> 2) >>> 0];
    }
  } else {
    var view = HEAP32.subarray((((value) >>> 2)) >>> 0, ((value + count * 16) >>> 2) >>> 0);
  }
  GLctx.uniform4iv(webglGetUniformLocation(location), view);
}

var _emscripten_glUniform4iv = _glUniform4iv;

/** @suppress {duplicate } */ function _glUniformMatrix2fv(location, count, transpose, value) {
  value >>>= 0;
  if (count <= 72) {
    // avoid allocation when uploading few enough uniforms
    count *= 4;
    var view = miniTempWebGLFloatBuffers[count];
    for (var i = 0; i < count; i += 4) {
      view[i] = HEAPF32[(((value) + (4 * i)) >>> 2) >>> 0];
      view[i + 1] = HEAPF32[(((value) + (4 * i + 4)) >>> 2) >>> 0];
      view[i + 2] = HEAPF32[(((value) + (4 * i + 8)) >>> 2) >>> 0];
      view[i + 3] = HEAPF32[(((value) + (4 * i + 12)) >>> 2) >>> 0];
    }
  } else {
    var view = HEAPF32.subarray((((value) >>> 2)) >>> 0, ((value + count * 16) >>> 2) >>> 0);
  }
  GLctx.uniformMatrix2fv(webglGetUniformLocation(location), !!transpose, view);
}

var _emscripten_glUniformMatrix2fv = _glUniformMatrix2fv;

/** @suppress {duplicate } */ function _glUniformMatrix3fv(location, count, transpose, value) {
  value >>>= 0;
  if (count <= 32) {
    // avoid allocation when uploading few enough uniforms
    count *= 9;
    var view = miniTempWebGLFloatBuffers[count];
    for (var i = 0; i < count; i += 9) {
      view[i] = HEAPF32[(((value) + (4 * i)) >>> 2) >>> 0];
      view[i + 1] = HEAPF32[(((value) + (4 * i + 4)) >>> 2) >>> 0];
      view[i + 2] = HEAPF32[(((value) + (4 * i + 8)) >>> 2) >>> 0];
      view[i + 3] = HEAPF32[(((value) + (4 * i + 12)) >>> 2) >>> 0];
      view[i + 4] = HEAPF32[(((value) + (4 * i + 16)) >>> 2) >>> 0];
      view[i + 5] = HEAPF32[(((value) + (4 * i + 20)) >>> 2) >>> 0];
      view[i + 6] = HEAPF32[(((value) + (4 * i + 24)) >>> 2) >>> 0];
      view[i + 7] = HEAPF32[(((value) + (4 * i + 28)) >>> 2) >>> 0];
      view[i + 8] = HEAPF32[(((value) + (4 * i + 32)) >>> 2) >>> 0];
    }
  } else {
    var view = HEAPF32.subarray((((value) >>> 2)) >>> 0, ((value + count * 36) >>> 2) >>> 0);
  }
  GLctx.uniformMatrix3fv(webglGetUniformLocation(location), !!transpose, view);
}

var _emscripten_glUniformMatrix3fv = _glUniformMatrix3fv;

/** @suppress {duplicate } */ function _glUniformMatrix4fv(location, count, transpose, value) {
  value >>>= 0;
  if (count <= 18) {
    // avoid allocation when uploading few enough uniforms
    var view = miniTempWebGLFloatBuffers[16 * count];
    // hoist the heap out of the loop for size and for pthreads+growth.
    var heap = HEAPF32;
    value = ((value) >>> 2);
    count *= 16;
    for (var i = 0; i < count; i += 16) {
      var dst = value + i;
      view[i] = heap[dst >>> 0];
      view[i + 1] = heap[dst + 1 >>> 0];
      view[i + 2] = heap[dst + 2 >>> 0];
      view[i + 3] = heap[dst + 3 >>> 0];
      view[i + 4] = heap[dst + 4 >>> 0];
      view[i + 5] = heap[dst + 5 >>> 0];
      view[i + 6] = heap[dst + 6 >>> 0];
      view[i + 7] = heap[dst + 7 >>> 0];
      view[i + 8] = heap[dst + 8 >>> 0];
      view[i + 9] = heap[dst + 9 >>> 0];
      view[i + 10] = heap[dst + 10 >>> 0];
      view[i + 11] = heap[dst + 11 >>> 0];
      view[i + 12] = heap[dst + 12 >>> 0];
      view[i + 13] = heap[dst + 13 >>> 0];
      view[i + 14] = heap[dst + 14 >>> 0];
      view[i + 15] = heap[dst + 15 >>> 0];
    }
  } else {
    var view = HEAPF32.subarray((((value) >>> 2)) >>> 0, ((value + count * 64) >>> 2) >>> 0);
  }
  GLctx.uniformMatrix4fv(webglGetUniformLocation(location), !!transpose, view);
}

var _emscripten_glUniformMatrix4fv = _glUniformMatrix4fv;

/** @suppress {duplicate } */ var _glUseProgram = program => {
  program = GL.programs[program];
  GLctx.useProgram(program);
  // Record the currently active program so that we can access the uniform
  // mapping table of that program.
  GLctx.currentProgram = program;
};

var _emscripten_glUseProgram = _glUseProgram;

/** @suppress {duplicate } */ var _glValidateProgram = program => {
  GLctx.validateProgram(GL.programs[program]);
};

var _emscripten_glValidateProgram = _glValidateProgram;

/** @suppress {duplicate } */ var _glVertexAttrib1f = (x0, x1) => GLctx.vertexAttrib1f(x0, x1);

var _emscripten_glVertexAttrib1f = _glVertexAttrib1f;

/** @suppress {duplicate } */ function _glVertexAttrib1fv(index, v) {
  v >>>= 0;
  GLctx.vertexAttrib1f(index, HEAPF32[v >>> 2]);
}

var _emscripten_glVertexAttrib1fv = _glVertexAttrib1fv;

/** @suppress {duplicate } */ var _glVertexAttrib2f = (x0, x1, x2) => GLctx.vertexAttrib2f(x0, x1, x2);

var _emscripten_glVertexAttrib2f = _glVertexAttrib2f;

/** @suppress {duplicate } */ function _glVertexAttrib2fv(index, v) {
  v >>>= 0;
  GLctx.vertexAttrib2f(index, HEAPF32[v >>> 2], HEAPF32[v + 4 >>> 2]);
}

var _emscripten_glVertexAttrib2fv = _glVertexAttrib2fv;

/** @suppress {duplicate } */ var _glVertexAttrib3f = (x0, x1, x2, x3) => GLctx.vertexAttrib3f(x0, x1, x2, x3);

var _emscripten_glVertexAttrib3f = _glVertexAttrib3f;

/** @suppress {duplicate } */ function _glVertexAttrib3fv(index, v) {
  v >>>= 0;
  GLctx.vertexAttrib3f(index, HEAPF32[v >>> 2], HEAPF32[v + 4 >>> 2], HEAPF32[v + 8 >>> 2]);
}

var _emscripten_glVertexAttrib3fv = _glVertexAttrib3fv;

/** @suppress {duplicate } */ var _glVertexAttrib4f = (x0, x1, x2, x3, x4) => GLctx.vertexAttrib4f(x0, x1, x2, x3, x4);

var _emscripten_glVertexAttrib4f = _glVertexAttrib4f;

/** @suppress {duplicate } */ function _glVertexAttrib4fv(index, v) {
  v >>>= 0;
  GLctx.vertexAttrib4f(index, HEAPF32[v >>> 2], HEAPF32[v + 4 >>> 2], HEAPF32[v + 8 >>> 2], HEAPF32[v + 12 >>> 2]);
}

var _emscripten_glVertexAttrib4fv = _glVertexAttrib4fv;

/** @suppress {duplicate } */ var _glVertexAttribDivisor = (index, divisor) => {
  GLctx.vertexAttribDivisor(index, divisor);
};

/** @suppress {duplicate } */ var _glVertexAttribDivisorANGLE = _glVertexAttribDivisor;

var _emscripten_glVertexAttribDivisorANGLE = _glVertexAttribDivisorANGLE;

/** @suppress {duplicate } */ function _glVertexAttribPointer(index, size, type, normalized, stride, ptr) {
  ptr >>>= 0;
  GLctx.vertexAttribPointer(index, size, type, !!normalized, stride, ptr);
}

var _emscripten_glVertexAttribPointer = _glVertexAttribPointer;

/** @suppress {duplicate } */ var _glViewport = (x0, x1, x2, x3) => GLctx.viewport(x0, x1, x2, x3);

var _emscripten_glViewport = _glViewport;

var _emscripten_has_asyncify = () => 0;

var doRequestFullscreen = (target, strategy) => {
  if (!JSEvents.fullscreenEnabled()) return -1;
  target = findEventTarget(target);
  if (!target) return -4;
  if (!target.requestFullscreen && !target.webkitRequestFullscreen) {
    return -3;
  }
  // Queue this function call if we're not currently in an event handler and
  // the user saw it appropriate to do so.
  if (!JSEvents.canPerformEventHandlerRequests()) {
    if (strategy.deferUntilInEventHandler) {
      JSEvents.deferCall(JSEvents_requestFullscreen, 1, [ target, strategy ]);
      return 1;
    }
    return -2;
  }
  return JSEvents_requestFullscreen(target, strategy);
};

function _emscripten_request_fullscreen_strategy(target, deferUntilInEventHandler, fullscreenStrategy) {
  target >>>= 0;
  fullscreenStrategy >>>= 0;
  var strategy = {
    scaleMode: HEAP32[((fullscreenStrategy) >>> 2) >>> 0],
    canvasResolutionScaleMode: HEAP32[(((fullscreenStrategy) + (4)) >>> 2) >>> 0],
    filteringMode: HEAP32[(((fullscreenStrategy) + (8)) >>> 2) >>> 0],
    deferUntilInEventHandler,
    canvasResizedCallback: HEAP32[(((fullscreenStrategy) + (12)) >>> 2) >>> 0],
    canvasResizedCallbackUserData: HEAP32[(((fullscreenStrategy) + (16)) >>> 2) >>> 0]
  };
  return doRequestFullscreen(target, strategy);
}

function _emscripten_request_pointerlock(target, deferUntilInEventHandler) {
  target >>>= 0;
  target = findEventTarget(target);
  if (!target) return -4;
  if (!target.requestPointerLock) {
    return -1;
  }
  // Queue this function call if we're not currently in an event handler and
  // the user saw it appropriate to do so.
  if (!JSEvents.canPerformEventHandlerRequests()) {
    if (deferUntilInEventHandler) {
      JSEvents.deferCall(requestPointerLock, 2, [ target ]);
      return 1;
    }
    return -2;
  }
  return requestPointerLock(target);
}

var getHeapMax = () => // Stay one Wasm page short of 4GB: while e.g. Chrome is able to allocate
// full 4GB Wasm memories, the size will wrap back to 0 bytes in Wasm side
// for any code that deals with heap sizes, which would require special
// casing all heap size related code to treat 0 specially.
4294901760;

var alignMemory = (size, alignment) => {
  assert(alignment, "alignment argument is required");
  return Math.ceil(size / alignment) * alignment;
};

var growMemory = size => {
  var oldHeapSize = wasmMemory.buffer.byteLength;
  var pages = ((size - oldHeapSize + 65535) / 65536) | 0;
  try {
    // round size grow request up to wasm page size (fixed 64KB per spec)
    wasmMemory.grow(pages);
    // .grow() takes a delta compared to the previous size
    updateMemoryViews();
    return 1;
  } catch (e) {
    err(`growMemory: Attempted to grow heap from ${oldHeapSize} bytes to ${size} bytes, but got error: ${e}`);
  }
};

function _emscripten_resize_heap(requestedSize) {
  requestedSize >>>= 0;
  var oldSize = HEAPU8.length;
  // With multithreaded builds, races can happen (another thread might increase the size
  // in between), so return a failure, and let the caller retry.
  assert(requestedSize > oldSize);
  // Memory resize rules:
  // 1.  Always increase heap size to at least the requested size, rounded up
  //     to next page multiple.
  // 2a. If MEMORY_GROWTH_LINEAR_STEP == -1, excessively resize the heap
  //     geometrically: increase the heap size according to
  //     MEMORY_GROWTH_GEOMETRIC_STEP factor (default +20%), At most
  //     overreserve by MEMORY_GROWTH_GEOMETRIC_CAP bytes (default 96MB).
  // 2b. If MEMORY_GROWTH_LINEAR_STEP != -1, excessively resize the heap
  //     linearly: increase the heap size by at least
  //     MEMORY_GROWTH_LINEAR_STEP bytes.
  // 3.  Max size for the heap is capped at 2048MB-WASM_PAGE_SIZE, or by
  //     MAXIMUM_MEMORY, or by ASAN limit, depending on which is smallest
  // 4.  If we were unable to allocate as much memory, it may be due to
  //     over-eager decision to excessively reserve due to (3) above.
  //     Hence if an allocation fails, cut down on the amount of excess
  //     growth, in an attempt to succeed to perform a smaller allocation.
  // A limit is set for how much we can grow. We should not exceed that
  // (the wasm binary specifies it, so if we tried, we'd fail anyhow).
  var maxHeapSize = getHeapMax();
  if (requestedSize > maxHeapSize) {
    err(`Cannot enlarge memory, requested ${requestedSize} bytes, but the limit is ${maxHeapSize} bytes!`);
    return false;
  }
  // Loop through potential heap size increases. If we attempt a too eager
  // reservation that fails, cut down on the attempted size and reserve a
  // smaller bump instead. (max 3 times, chosen somewhat arbitrarily)
  for (var cutDown = 1; cutDown <= 4; cutDown *= 2) {
    var overGrownHeapSize = oldSize * (1 + .2 / cutDown);
    // ensure geometric growth
    // but limit overreserving (default to capping at +96MB overgrowth at most)
    overGrownHeapSize = Math.min(overGrownHeapSize, requestedSize + 100663296);
    var newSize = Math.min(maxHeapSize, alignMemory(Math.max(requestedSize, overGrownHeapSize), 65536));
    var replacement = growMemory(newSize);
    if (replacement) {
      return true;
    }
  }
  err(`Failed to grow the heap from ${oldSize} bytes to ${newSize} bytes, not enough memory!`);
  return false;
}

/** @suppress {checkTypes} */ var _emscripten_sample_gamepad_data = () => {
  try {
    if (navigator.getGamepads) return (JSEvents.lastGamepadState = navigator.getGamepads()) ? 0 : -1;
  } catch (e) {
    err(`navigator.getGamepads() exists, but failed to execute with exception ${e}. Disabling Gamepad access.`);
    navigator.getGamepads = null;
  }
  return -1;
};

var registerBeforeUnloadEventCallback = (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString) => {
  var beforeUnloadEventHandlerFunc = (e = event) => {
    // Note: This is always called on the main browser thread, since it needs synchronously return a value!
    var confirmationMessage = getWasmTableEntry(callbackfunc)(eventTypeId, 0, userData);
    if (confirmationMessage) {
      confirmationMessage = UTF8ToString(confirmationMessage);
    }
    if (confirmationMessage) {
      e.preventDefault();
      e.returnValue = confirmationMessage;
      return confirmationMessage;
    }
  };
  var eventHandler = {
    target: findEventTarget(target),
    eventTypeString,
    callbackfunc,
    handlerFunc: beforeUnloadEventHandlerFunc,
    useCapture
  };
  return JSEvents.registerOrRemoveHandler(eventHandler);
};

function _emscripten_set_beforeunload_callback_on_thread(userData, callbackfunc, targetThread) {
  userData >>>= 0;
  callbackfunc >>>= 0;
  targetThread >>>= 0;
  if (typeof onbeforeunload == "undefined") return -1;
  // beforeunload callback can only be registered on the main browser thread, because the page will go away immediately after returning from the handler,
  // and there is no time to start proxying it anywhere.
  if (targetThread !== 1) return -5;
  return registerBeforeUnloadEventCallback(2, userData, true, callbackfunc, 28, "beforeunload");
}

var registerFocusEventCallback = (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) => {
  JSEvents.focusEvent ||= _malloc(256);
  var focusEventHandlerFunc = (e = event) => {
    var nodeName = JSEvents.getNodeNameForTarget(e.target);
    var id = e.target.id ? e.target.id : "";
    var focusEvent = JSEvents.focusEvent;
    stringToUTF8(nodeName, focusEvent + 0, 128);
    stringToUTF8(id, focusEvent + 128, 128);
    if (getWasmTableEntry(callbackfunc)(eventTypeId, focusEvent, userData)) e.preventDefault();
  };
  var eventHandler = {
    target: findEventTarget(target),
    eventTypeString,
    callbackfunc,
    handlerFunc: focusEventHandlerFunc,
    useCapture
  };
  return JSEvents.registerOrRemoveHandler(eventHandler);
};

function _emscripten_set_blur_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
  target >>>= 0;
  userData >>>= 0;
  callbackfunc >>>= 0;
  targetThread >>>= 0;
  return registerFocusEventCallback(target, userData, useCapture, callbackfunc, 12, "blur", targetThread);
}

function _emscripten_set_element_css_size(target, width, height) {
  target >>>= 0;
  target = findEventTarget(target);
  if (!target) return -4;
  target.style.width = width + "px";
  target.style.height = height + "px";
  return 0;
}

function _emscripten_set_focus_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
  target >>>= 0;
  userData >>>= 0;
  callbackfunc >>>= 0;
  targetThread >>>= 0;
  return registerFocusEventCallback(target, userData, useCapture, callbackfunc, 13, "focus", targetThread);
}

var fillFullscreenChangeEventData = eventStruct => {
  var fullscreenElement = getFullscreenElement();
  var isFullscreen = !!fullscreenElement;
  // Assigning a boolean to HEAP32 with expected type coercion.
  /** @suppress{checkTypes} */ HEAP8[eventStruct >>> 0] = isFullscreen;
  HEAP8[(eventStruct) + (1) >>> 0] = JSEvents.fullscreenEnabled();
  // If transitioning to fullscreen, report info about the element that is now fullscreen.
  // If transitioning to windowed mode, report info about the element that just was fullscreen.
  var reportedElement = isFullscreen ? fullscreenElement : JSEvents.previousFullscreenElement;
  var nodeName = JSEvents.getNodeNameForTarget(reportedElement);
  var id = reportedElement?.id || "";
  stringToUTF8(nodeName, eventStruct + 2, 128);
  stringToUTF8(id, eventStruct + 130, 128);
  HEAP32[(((eventStruct) + (260)) >>> 2) >>> 0] = reportedElement ? reportedElement.clientWidth : 0;
  HEAP32[(((eventStruct) + (264)) >>> 2) >>> 0] = reportedElement ? reportedElement.clientHeight : 0;
  HEAP32[(((eventStruct) + (268)) >>> 2) >>> 0] = screen.width;
  HEAP32[(((eventStruct) + (272)) >>> 2) >>> 0] = screen.height;
  if (isFullscreen) {
    JSEvents.previousFullscreenElement = fullscreenElement;
  }
};

var registerFullscreenChangeEventCallback = (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) => {
  JSEvents.fullscreenChangeEvent ||= _malloc(276);
  var fullscreenChangeEventhandlerFunc = (e = event) => {
    var fullscreenChangeEvent = JSEvents.fullscreenChangeEvent;
    fillFullscreenChangeEventData(fullscreenChangeEvent);
    if (getWasmTableEntry(callbackfunc)(eventTypeId, fullscreenChangeEvent, userData)) e.preventDefault();
  };
  var eventHandler = {
    target,
    eventTypeString,
    callbackfunc,
    handlerFunc: fullscreenChangeEventhandlerFunc,
    useCapture
  };
  return JSEvents.registerOrRemoveHandler(eventHandler);
};

function _emscripten_set_fullscreenchange_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
  target >>>= 0;
  userData >>>= 0;
  callbackfunc >>>= 0;
  targetThread >>>= 0;
  if (!JSEvents.fullscreenEnabled()) return -1;
  target = findEventTarget(target);
  if (!target) return -4;
  // Unprefixed Fullscreen API shipped in Chromium 71 (https://bugs.chromium.org/p/chromium/issues/detail?id=383813)
  // As of Safari 13.0.3 on macOS Catalina 10.15.1 still ships with prefixed webkitfullscreenchange. TODO: revisit this check once Safari ships unprefixed version.
  registerFullscreenChangeEventCallback(target, userData, useCapture, callbackfunc, 19, "webkitfullscreenchange", targetThread);
  return registerFullscreenChangeEventCallback(target, userData, useCapture, callbackfunc, 19, "fullscreenchange", targetThread);
}

var registerGamepadEventCallback = (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) => {
  JSEvents.gamepadEvent ||= _malloc(1240);
  var gamepadEventHandlerFunc = (e = event) => {
    var gamepadEvent = JSEvents.gamepadEvent;
    fillGamepadEventData(gamepadEvent, e["gamepad"]);
    if (getWasmTableEntry(callbackfunc)(eventTypeId, gamepadEvent, userData)) e.preventDefault();
  };
  var eventHandler = {
    target: findEventTarget(target),
    allowsDeferredCalls: true,
    eventTypeString,
    callbackfunc,
    handlerFunc: gamepadEventHandlerFunc,
    useCapture
  };
  return JSEvents.registerOrRemoveHandler(eventHandler);
};

function _emscripten_set_gamepadconnected_callback_on_thread(userData, useCapture, callbackfunc, targetThread) {
  userData >>>= 0;
  callbackfunc >>>= 0;
  targetThread >>>= 0;
  if (_emscripten_sample_gamepad_data()) return -1;
  return registerGamepadEventCallback(2, userData, useCapture, callbackfunc, 26, "gamepadconnected", targetThread);
}

function _emscripten_set_gamepaddisconnected_callback_on_thread(userData, useCapture, callbackfunc, targetThread) {
  userData >>>= 0;
  callbackfunc >>>= 0;
  targetThread >>>= 0;
  if (_emscripten_sample_gamepad_data()) return -1;
  return registerGamepadEventCallback(2, userData, useCapture, callbackfunc, 27, "gamepaddisconnected", targetThread);
}

var registerKeyEventCallback = (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) => {
  JSEvents.keyEvent ||= _malloc(160);
  var keyEventHandlerFunc = e => {
    assert(e);
    var keyEventData = JSEvents.keyEvent;
    HEAPF64[((keyEventData) >>> 3) >>> 0] = e.timeStamp;
    var idx = ((keyEventData) >>> 2);
    HEAP32[idx + 2 >>> 0] = e.location;
    HEAP8[keyEventData + 12 >>> 0] = e.ctrlKey;
    HEAP8[keyEventData + 13 >>> 0] = e.shiftKey;
    HEAP8[keyEventData + 14 >>> 0] = e.altKey;
    HEAP8[keyEventData + 15 >>> 0] = e.metaKey;
    HEAP8[keyEventData + 16 >>> 0] = e.repeat;
    HEAP32[idx + 5 >>> 0] = e.charCode;
    HEAP32[idx + 6 >>> 0] = e.keyCode;
    HEAP32[idx + 7 >>> 0] = e.which;
    stringToUTF8(e.key || "", keyEventData + 32, 32);
    stringToUTF8(e.code || "", keyEventData + 64, 32);
    stringToUTF8(e.char || "", keyEventData + 96, 32);
    stringToUTF8(e.locale || "", keyEventData + 128, 32);
    if (getWasmTableEntry(callbackfunc)(eventTypeId, keyEventData, userData)) e.preventDefault();
  };
  var eventHandler = {
    target: findEventTarget(target),
    eventTypeString,
    callbackfunc,
    handlerFunc: keyEventHandlerFunc,
    useCapture
  };
  return JSEvents.registerOrRemoveHandler(eventHandler);
};

function _emscripten_set_keydown_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
  target >>>= 0;
  userData >>>= 0;
  callbackfunc >>>= 0;
  targetThread >>>= 0;
  return registerKeyEventCallback(target, userData, useCapture, callbackfunc, 2, "keydown", targetThread);
}

function _emscripten_set_keypress_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
  target >>>= 0;
  userData >>>= 0;
  callbackfunc >>>= 0;
  targetThread >>>= 0;
  return registerKeyEventCallback(target, userData, useCapture, callbackfunc, 1, "keypress", targetThread);
}

function _emscripten_set_keyup_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
  target >>>= 0;
  userData >>>= 0;
  callbackfunc >>>= 0;
  targetThread >>>= 0;
  return registerKeyEventCallback(target, userData, useCapture, callbackfunc, 3, "keyup", targetThread);
}

var _emscripten_set_main_loop_arg = function(func, arg, fps, simulateInfiniteLoop) {
  func >>>= 0;
  arg >>>= 0;
  var iterFunc = () => getWasmTableEntry(func)(arg);
  setMainLoop(iterFunc, fps, simulateInfiniteLoop, arg);
};

var fillMouseEventData = (eventStruct, e, target) => {
  assert(eventStruct % 4 == 0);
  HEAPF64[((eventStruct) >>> 3) >>> 0] = e.timeStamp;
  var idx = ((eventStruct) >>> 2);
  HEAP32[idx + 2 >>> 0] = e.screenX;
  HEAP32[idx + 3 >>> 0] = e.screenY;
  HEAP32[idx + 4 >>> 0] = e.clientX;
  HEAP32[idx + 5 >>> 0] = e.clientY;
  HEAP8[eventStruct + 24 >>> 0] = e.ctrlKey;
  HEAP8[eventStruct + 25 >>> 0] = e.shiftKey;
  HEAP8[eventStruct + 26 >>> 0] = e.altKey;
  HEAP8[eventStruct + 27 >>> 0] = e.metaKey;
  HEAP16[idx * 2 + 14 >>> 0] = e.button;
  HEAP16[idx * 2 + 15 >>> 0] = e.buttons;
  HEAP32[idx + 8 >>> 0] = e["movementX"];
  HEAP32[idx + 9 >>> 0] = e["movementY"];
  // Note: rect contains doubles (truncated to placate SAFE_HEAP, which is the same behaviour when writing to HEAP32 anyway)
  var rect = getBoundingClientRect(target);
  HEAP32[idx + 10 >>> 0] = e.clientX - (rect.left | 0);
  HEAP32[idx + 11 >>> 0] = e.clientY - (rect.top | 0);
};

var registerMouseEventCallback = (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) => {
  JSEvents.mouseEvent ||= _malloc(64);
  target = findEventTarget(target);
  var mouseEventHandlerFunc = (e = event) => {
    // TODO: Make this access thread safe, or this could update live while app is reading it.
    fillMouseEventData(JSEvents.mouseEvent, e, target);
    if (getWasmTableEntry(callbackfunc)(eventTypeId, JSEvents.mouseEvent, userData)) e.preventDefault();
  };
  var eventHandler = {
    target,
    allowsDeferredCalls: eventTypeString != "mousemove" && eventTypeString != "mouseenter" && eventTypeString != "mouseleave",
    // Mouse move events do not allow fullscreen/pointer lock requests to be handled in them!
    eventTypeString,
    callbackfunc,
    handlerFunc: mouseEventHandlerFunc,
    useCapture
  };
  return JSEvents.registerOrRemoveHandler(eventHandler);
};

function _emscripten_set_mousedown_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
  target >>>= 0;
  userData >>>= 0;
  callbackfunc >>>= 0;
  targetThread >>>= 0;
  return registerMouseEventCallback(target, userData, useCapture, callbackfunc, 5, "mousedown", targetThread);
}

function _emscripten_set_mouseenter_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
  target >>>= 0;
  userData >>>= 0;
  callbackfunc >>>= 0;
  targetThread >>>= 0;
  return registerMouseEventCallback(target, userData, useCapture, callbackfunc, 33, "mouseenter", targetThread);
}

function _emscripten_set_mouseleave_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
  target >>>= 0;
  userData >>>= 0;
  callbackfunc >>>= 0;
  targetThread >>>= 0;
  return registerMouseEventCallback(target, userData, useCapture, callbackfunc, 34, "mouseleave", targetThread);
}

function _emscripten_set_mousemove_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
  target >>>= 0;
  userData >>>= 0;
  callbackfunc >>>= 0;
  targetThread >>>= 0;
  return registerMouseEventCallback(target, userData, useCapture, callbackfunc, 8, "mousemove", targetThread);
}

function _emscripten_set_mouseup_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
  target >>>= 0;
  userData >>>= 0;
  callbackfunc >>>= 0;
  targetThread >>>= 0;
  return registerMouseEventCallback(target, userData, useCapture, callbackfunc, 6, "mouseup", targetThread);
}

var fillPointerlockChangeEventData = eventStruct => {
  var pointerLockElement = document.pointerLockElement;
  var isPointerlocked = !!pointerLockElement;
  // Assigning a boolean to HEAP32 with expected type coercion.
  /** @suppress{checkTypes} */ HEAP8[eventStruct >>> 0] = isPointerlocked;
  var nodeName = JSEvents.getNodeNameForTarget(pointerLockElement);
  var id = pointerLockElement?.id || "";
  stringToUTF8(nodeName, eventStruct + 1, 128);
  stringToUTF8(id, eventStruct + 129, 128);
};

var registerPointerlockChangeEventCallback = (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) => {
  JSEvents.pointerlockChangeEvent ||= _malloc(257);
  var pointerlockChangeEventHandlerFunc = (e = event) => {
    var pointerlockChangeEvent = JSEvents.pointerlockChangeEvent;
    fillPointerlockChangeEventData(pointerlockChangeEvent);
    if (getWasmTableEntry(callbackfunc)(eventTypeId, pointerlockChangeEvent, userData)) e.preventDefault();
  };
  var eventHandler = {
    target,
    eventTypeString,
    callbackfunc,
    handlerFunc: pointerlockChangeEventHandlerFunc,
    useCapture
  };
  return JSEvents.registerOrRemoveHandler(eventHandler);
};

function _emscripten_set_pointerlockchange_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
  target >>>= 0;
  userData >>>= 0;
  callbackfunc >>>= 0;
  targetThread >>>= 0;
  if (!document.body?.requestPointerLock) {
    return -1;
  }
  target = findEventTarget(target);
  if (!target) return -4;
  return registerPointerlockChangeEventCallback(target, userData, useCapture, callbackfunc, 20, "pointerlockchange", targetThread);
}

var registerUiEventCallback = (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) => {
  JSEvents.uiEvent ||= _malloc(36);
  target = findEventTarget(target);
  var uiEventHandlerFunc = (e = event) => {
    if (e.target != target) {
      // Never take ui events such as scroll via a 'bubbled' route, but always from the direct element that
      // was targeted. Otherwise e.g. if app logs a message in response to a page scroll, the Emscripten log
      // message box could cause to scroll, generating a new (bubbled) scroll message, causing a new log print,
      // causing a new scroll, etc..
      return;
    }
    var b = document.body;
    // Take document.body to a variable, Closure compiler does not outline access to it on its own.
    if (!b) {
      // During a page unload 'body' can be null, with "Cannot read property 'clientWidth' of null" being thrown
      return;
    }
    var uiEvent = JSEvents.uiEvent;
    HEAP32[((uiEvent) >>> 2) >>> 0] = 0;
    // always zero for resize and scroll
    HEAP32[(((uiEvent) + (4)) >>> 2) >>> 0] = b.clientWidth;
    HEAP32[(((uiEvent) + (8)) >>> 2) >>> 0] = b.clientHeight;
    HEAP32[(((uiEvent) + (12)) >>> 2) >>> 0] = innerWidth;
    HEAP32[(((uiEvent) + (16)) >>> 2) >>> 0] = innerHeight;
    HEAP32[(((uiEvent) + (20)) >>> 2) >>> 0] = outerWidth;
    HEAP32[(((uiEvent) + (24)) >>> 2) >>> 0] = outerHeight;
    HEAP32[(((uiEvent) + (28)) >>> 2) >>> 0] = pageXOffset | 0;
    // scroll offsets are float
    HEAP32[(((uiEvent) + (32)) >>> 2) >>> 0] = pageYOffset | 0;
    if (getWasmTableEntry(callbackfunc)(eventTypeId, uiEvent, userData)) e.preventDefault();
  };
  var eventHandler = {
    target,
    eventTypeString,
    callbackfunc,
    handlerFunc: uiEventHandlerFunc,
    useCapture
  };
  return JSEvents.registerOrRemoveHandler(eventHandler);
};

function _emscripten_set_resize_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
  target >>>= 0;
  userData >>>= 0;
  callbackfunc >>>= 0;
  targetThread >>>= 0;
  return registerUiEventCallback(target, userData, useCapture, callbackfunc, 10, "resize", targetThread);
}

var registerTouchEventCallback = (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) => {
  JSEvents.touchEvent ||= _malloc(1552);
  target = findEventTarget(target);
  var touchEventHandlerFunc = e => {
    assert(e);
    var t, touches = {}, et = e.touches;
    // To ease marshalling different kinds of touches that browser reports (all touches are listed in e.touches,
    // only changed touches in e.changedTouches, and touches on target at a.targetTouches), mark a boolean in
    // each Touch object so that we can later loop only once over all touches we see to marshall over to Wasm.
    for (let t of et) {
      // Browser might recycle the generated Touch objects between each frame (Firefox on Android), so reset any
      // changed/target states we may have set from previous frame.
      t.isChanged = t.onTarget = 0;
      touches[t.identifier] = t;
    }
    // Mark which touches are part of the changedTouches list.
    for (let t of e.changedTouches) {
      t.isChanged = 1;
      touches[t.identifier] = t;
    }
    // Mark which touches are part of the targetTouches list.
    for (let t of e.targetTouches) {
      touches[t.identifier].onTarget = 1;
    }
    var touchEvent = JSEvents.touchEvent;
    HEAPF64[((touchEvent) >>> 3) >>> 0] = e.timeStamp;
    HEAP8[touchEvent + 12 >>> 0] = e.ctrlKey;
    HEAP8[touchEvent + 13 >>> 0] = e.shiftKey;
    HEAP8[touchEvent + 14 >>> 0] = e.altKey;
    HEAP8[touchEvent + 15 >>> 0] = e.metaKey;
    var idx = touchEvent + 16;
    var targetRect = getBoundingClientRect(target);
    var numTouches = 0;
    for (let t of Object.values(touches)) {
      var idx32 = ((idx) >>> 2);
      // Pre-shift the ptr to index to HEAP32 to save code size
      HEAP32[idx32 + 0 >>> 0] = t.identifier;
      HEAP32[idx32 + 1 >>> 0] = t.screenX;
      HEAP32[idx32 + 2 >>> 0] = t.screenY;
      HEAP32[idx32 + 3 >>> 0] = t.clientX;
      HEAP32[idx32 + 4 >>> 0] = t.clientY;
      HEAP32[idx32 + 5 >>> 0] = t.pageX;
      HEAP32[idx32 + 6 >>> 0] = t.pageY;
      HEAP8[idx + 28 >>> 0] = t.isChanged;
      HEAP8[idx + 29 >>> 0] = t.onTarget;
      HEAP32[idx32 + 8 >>> 0] = t.clientX - (targetRect.left | 0);
      HEAP32[idx32 + 9 >>> 0] = t.clientY - (targetRect.top | 0);
      idx += 48;
      if (++numTouches > 31) {
        break;
      }
    }
    HEAP32[(((touchEvent) + (8)) >>> 2) >>> 0] = numTouches;
    if (getWasmTableEntry(callbackfunc)(eventTypeId, touchEvent, userData)) e.preventDefault();
  };
  var eventHandler = {
    target,
    allowsDeferredCalls: eventTypeString == "touchstart" || eventTypeString == "touchend",
    eventTypeString,
    callbackfunc,
    handlerFunc: touchEventHandlerFunc,
    useCapture
  };
  return JSEvents.registerOrRemoveHandler(eventHandler);
};

function _emscripten_set_touchcancel_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
  target >>>= 0;
  userData >>>= 0;
  callbackfunc >>>= 0;
  targetThread >>>= 0;
  return registerTouchEventCallback(target, userData, useCapture, callbackfunc, 25, "touchcancel", targetThread);
}

function _emscripten_set_touchend_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
  target >>>= 0;
  userData >>>= 0;
  callbackfunc >>>= 0;
  targetThread >>>= 0;
  return registerTouchEventCallback(target, userData, useCapture, callbackfunc, 23, "touchend", targetThread);
}

function _emscripten_set_touchmove_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
  target >>>= 0;
  userData >>>= 0;
  callbackfunc >>>= 0;
  targetThread >>>= 0;
  return registerTouchEventCallback(target, userData, useCapture, callbackfunc, 24, "touchmove", targetThread);
}

function _emscripten_set_touchstart_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
  target >>>= 0;
  userData >>>= 0;
  callbackfunc >>>= 0;
  targetThread >>>= 0;
  return registerTouchEventCallback(target, userData, useCapture, callbackfunc, 22, "touchstart", targetThread);
}

var fillVisibilityChangeEventData = eventStruct => {
  var visibilityStates = [ "hidden", "visible", "prerender", "unloaded" ];
  var visibilityState = visibilityStates.indexOf(document.visibilityState);
  // Assigning a boolean to HEAP32 with expected type coercion.
  /** @suppress{checkTypes} */ HEAP8[eventStruct >>> 0] = document.hidden;
  HEAP32[(((eventStruct) + (4)) >>> 2) >>> 0] = visibilityState;
};

var registerVisibilityChangeEventCallback = (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) => {
  JSEvents.visibilityChangeEvent ||= _malloc(8);
  var visibilityChangeEventHandlerFunc = (e = event) => {
    var visibilityChangeEvent = JSEvents.visibilityChangeEvent;
    fillVisibilityChangeEventData(visibilityChangeEvent);
    if (getWasmTableEntry(callbackfunc)(eventTypeId, visibilityChangeEvent, userData)) e.preventDefault();
  };
  var eventHandler = {
    target,
    eventTypeString,
    callbackfunc,
    handlerFunc: visibilityChangeEventHandlerFunc,
    useCapture
  };
  return JSEvents.registerOrRemoveHandler(eventHandler);
};

function _emscripten_set_visibilitychange_callback_on_thread(userData, useCapture, callbackfunc, targetThread) {
  userData >>>= 0;
  callbackfunc >>>= 0;
  targetThread >>>= 0;
  return registerVisibilityChangeEventCallback(specialHTMLTargets[1], userData, useCapture, callbackfunc, 21, "visibilitychange", targetThread);
}

var registerWheelEventCallback = (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) => {
  JSEvents.wheelEvent ||= _malloc(96);
  // The DOM Level 3 events spec event 'wheel'
  var wheelHandlerFunc = (e = event) => {
    var wheelEvent = JSEvents.wheelEvent;
    fillMouseEventData(wheelEvent, e, target);
    HEAPF64[(((wheelEvent) + (64)) >>> 3) >>> 0] = e["deltaX"];
    HEAPF64[(((wheelEvent) + (72)) >>> 3) >>> 0] = e["deltaY"];
    HEAPF64[(((wheelEvent) + (80)) >>> 3) >>> 0] = e["deltaZ"];
    HEAP32[(((wheelEvent) + (88)) >>> 2) >>> 0] = e["deltaMode"];
    if (getWasmTableEntry(callbackfunc)(eventTypeId, wheelEvent, userData)) e.preventDefault();
  };
  var eventHandler = {
    target,
    allowsDeferredCalls: true,
    eventTypeString,
    callbackfunc,
    handlerFunc: wheelHandlerFunc,
    useCapture
  };
  return JSEvents.registerOrRemoveHandler(eventHandler);
};

function _emscripten_set_wheel_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
  target >>>= 0;
  userData >>>= 0;
  callbackfunc >>>= 0;
  targetThread >>>= 0;
  target = findEventTarget(target);
  if (!target) return -4;
  if (typeof target.onwheel != "undefined") {
    return registerWheelEventCallback(target, userData, useCapture, callbackfunc, 9, "wheel", targetThread);
  } else {
    return -1;
  }
}

function _emscripten_set_window_title(title) {
  title >>>= 0;
  return document.title = UTF8ToString(title);
}

var _emscripten_sleep = () => {
  throw "Please compile your program with async support in order to use asynchronous operations like emscripten_sleep";
};

var ENV = {};

var getExecutableName = () => thisProgram || "./this.program";

var getEnvStrings = () => {
  if (!getEnvStrings.strings) {
    // Default values.
    // Browser language detection #8751
    var lang = ((typeof navigator == "object" && navigator.language) || "C").replace("-", "_") + ".UTF-8";
    var env = {
      "USER": "web_user",
      "LOGNAME": "web_user",
      "PATH": "/",
      "PWD": "/",
      "HOME": "/home/web_user",
      "LANG": lang,
      "_": getExecutableName()
    };
    // Apply the user-provided values, if any.
    for (var x in ENV) {
      // x is a key in ENV; if ENV[x] is undefined, that means it was
      // explicitly set to be so. We allow user code to do that to
      // force variables with default values to remain unset.
      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 _environ_get(__environ, environ_buf) {
  __environ >>>= 0;
  environ_buf >>>= 0;
  var bufSize = 0;
  var envp = 0;
  for (var string of getEnvStrings()) {
    var ptr = environ_buf + bufSize;
    HEAPU32[(((__environ) + (envp)) >>> 2) >>> 0] = ptr;
    bufSize += stringToUTF8(string, ptr, Infinity) + 1;
    envp += 4;
  }
  return 0;
}

function _environ_sizes_get(penviron_count, penviron_buf_size) {
  penviron_count >>>= 0;
  penviron_buf_size >>>= 0;
  var strings = getEnvStrings();
  HEAPU32[((penviron_count) >>> 2) >>> 0] = strings.length;
  var bufSize = 0;
  for (var string of strings) {
    bufSize += lengthBytesUTF8(string) + 1;
  }
  HEAPU32[((penviron_buf_size) >>> 2) >>> 0] = bufSize;
  return 0;
}

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

function _fd_fdstat_get(fd, pbuf) {
  pbuf >>>= 0;
  try {
    var rightsBase = 0;
    var rightsInheriting = 0;
    var flags = 0;
    {
      var stream = SYSCALLS.getStreamFromFD(fd);
      // All character devices are terminals (other things a Linux system would
      // assume is a character device, like the mouse, we have special APIs for).
      var type = stream.tty ? 2 : FS.isDir(stream.mode) ? 3 : FS.isLink(stream.mode) ? 7 : 4;
    }
    HEAP8[pbuf >>> 0] = type;
    HEAP16[(((pbuf) + (2)) >>> 1) >>> 0] = flags;
    HEAP64[(((pbuf) + (8)) >>> 3) >>> 0] = BigInt(rightsBase);
    HEAP64[(((pbuf) + (16)) >>> 3) >>> 0] = BigInt(rightsInheriting);
    return 0;
  } catch (e) {
    if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
    return e.errno;
  }
}

/** @param {number=} offset */ var doReadv = (stream, iov, iovcnt, offset) => {
  var ret = 0;
  for (var i = 0; i < iovcnt; i++) {
    var ptr = HEAPU32[((iov) >>> 2) >>> 0];
    var len = HEAPU32[(((iov) + (4)) >>> 2) >>> 0];
    iov += 8;
    var curr = FS.read(stream, HEAP8, ptr, len, offset);
    if (curr < 0) return -1;
    ret += curr;
    if (curr < len) break;
    // nothing more to read
    if (typeof offset != "undefined") {
      offset += curr;
    }
  }
  return ret;
};

function _fd_read(fd, iov, iovcnt, pnum) {
  iov >>>= 0;
  iovcnt >>>= 0;
  pnum >>>= 0;
  try {
    var stream = SYSCALLS.getStreamFromFD(fd);
    var num = doReadv(stream, iov, iovcnt);
    HEAPU32[((pnum) >>> 2) >>> 0] = num;
    return 0;
  } catch (e) {
    if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
    return e.errno;
  }
}

function _fd_seek(fd, offset, whence, newOffset) {
  offset = bigintToI53Checked(offset);
  newOffset >>>= 0;
  try {
    if (isNaN(offset)) return 61;
    var stream = SYSCALLS.getStreamFromFD(fd);
    FS.llseek(stream, offset, whence);
    HEAP64[((newOffset) >>> 3) >>> 0] = BigInt(stream.position);
    if (stream.getdents && offset === 0 && whence === 0) stream.getdents = null;
    // reset readdir state
    return 0;
  } catch (e) {
    if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
    return e.errno;
  }
}

/** @param {number=} offset */ var doWritev = (stream, iov, iovcnt, offset) => {
  var ret = 0;
  for (var i = 0; i < iovcnt; i++) {
    var ptr = HEAPU32[((iov) >>> 2) >>> 0];
    var len = HEAPU32[(((iov) + (4)) >>> 2) >>> 0];
    iov += 8;
    var curr = FS.write(stream, HEAP8, ptr, len, offset);
    if (curr < 0) return -1;
    ret += curr;
    if (curr < len) {
      // No more space to write.
      break;
    }
    if (typeof offset != "undefined") {
      offset += curr;
    }
  }
  return ret;
};

function _fd_write(fd, iov, iovcnt, pnum) {
  iov >>>= 0;
  iovcnt >>>= 0;
  pnum >>>= 0;
  try {
    var stream = SYSCALLS.getStreamFromFD(fd);
    var num = doWritev(stream, iov, iovcnt);
    HEAPU32[((pnum) >>> 2) >>> 0] = num;
    return 0;
  } catch (e) {
    if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
    return e.errno;
  }
}

var zeroMemory = (ptr, size) => HEAPU8.fill(0, ptr, ptr + size);

/** @param {number=} addrlen */ var writeSockaddr = (sa, family, addr, port, addrlen) => {
  switch (family) {
   case 2:
    addr = inetPton4(addr);
    zeroMemory(sa, 16);
    if (addrlen) {
      HEAP32[((addrlen) >>> 2) >>> 0] = 16;
    }
    HEAP16[((sa) >>> 1) >>> 0] = family;
    HEAP32[(((sa) + (4)) >>> 2) >>> 0] = addr;
    HEAP16[(((sa) + (2)) >>> 1) >>> 0] = _htons(port);
    break;

   case 10:
    addr = inetPton6(addr);
    zeroMemory(sa, 28);
    if (addrlen) {
      HEAP32[((addrlen) >>> 2) >>> 0] = 28;
    }
    HEAP32[((sa) >>> 2) >>> 0] = family;
    HEAP32[(((sa) + (8)) >>> 2) >>> 0] = addr[0];
    HEAP32[(((sa) + (12)) >>> 2) >>> 0] = addr[1];
    HEAP32[(((sa) + (16)) >>> 2) >>> 0] = addr[2];
    HEAP32[(((sa) + (20)) >>> 2) >>> 0] = addr[3];
    HEAP16[(((sa) + (2)) >>> 1) >>> 0] = _htons(port);
    break;

   default:
    return 5;
  }
  return 0;
};

function _getaddrinfo(node, service, hint, out) {
  node >>>= 0;
  service >>>= 0;
  hint >>>= 0;
  out >>>= 0;
  // Note getaddrinfo currently only returns a single addrinfo with ai_next defaulting to NULL. When NULL
  // hints are specified or ai_family set to AF_UNSPEC or ai_socktype or ai_protocol set to 0 then we
  // really should provide a linked list of suitable addrinfo values.
  var addrs = [];
  var canon = null;
  var addr = 0;
  var port = 0;
  var flags = 0;
  var family = 0;
  var type = 0;
  var proto = 0;
  var ai, last;
  function allocaddrinfo(family, type, proto, canon, addr, port) {
    var sa, salen, ai;
    var errno;
    salen = family === 10 ? 28 : 16;
    addr = family === 10 ? inetNtop6(addr) : inetNtop4(addr);
    sa = _malloc(salen);
    errno = writeSockaddr(sa, family, addr, port);
    assert(!errno);
    ai = _malloc(32);
    HEAP32[(((ai) + (4)) >>> 2) >>> 0] = family;
    HEAP32[(((ai) + (8)) >>> 2) >>> 0] = type;
    HEAP32[(((ai) + (12)) >>> 2) >>> 0] = proto;
    HEAPU32[(((ai) + (24)) >>> 2) >>> 0] = canon;
    HEAPU32[(((ai) + (20)) >>> 2) >>> 0] = sa;
    if (family === 10) {
      HEAP32[(((ai) + (16)) >>> 2) >>> 0] = 28;
    } else {
      HEAP32[(((ai) + (16)) >>> 2) >>> 0] = 16;
    }
    HEAP32[(((ai) + (28)) >>> 2) >>> 0] = 0;
    return ai;
  }
  if (hint) {
    flags = HEAP32[((hint) >>> 2) >>> 0];
    family = HEAP32[(((hint) + (4)) >>> 2) >>> 0];
    type = HEAP32[(((hint) + (8)) >>> 2) >>> 0];
    proto = HEAP32[(((hint) + (12)) >>> 2) >>> 0];
  }
  if (type && !proto) {
    proto = type === 2 ? 17 : 6;
  }
  if (!type && proto) {
    type = proto === 17 ? 2 : 1;
  }
  // If type or proto are set to zero in hints we should really be returning multiple addrinfo values, but for
  // now default to a TCP STREAM socket so we can at least return a sensible addrinfo given NULL hints.
  if (proto === 0) {
    proto = 6;
  }
  if (type === 0) {
    type = 1;
  }
  if (!node && !service) {
    return -2;
  }
  if (flags & ~(1 | 2 | 4 | 1024 | 8 | 16 | 32)) {
    return -1;
  }
  if (hint !== 0 && (HEAP32[((hint) >>> 2) >>> 0] & 2) && !node) {
    return -1;
  }
  if (flags & 32) {
    // TODO
    return -2;
  }
  if (type !== 0 && type !== 1 && type !== 2) {
    return -7;
  }
  if (family !== 0 && family !== 2 && family !== 10) {
    return -6;
  }
  if (service) {
    service = UTF8ToString(service);
    port = parseInt(service, 10);
    if (isNaN(port)) {
      if (flags & 1024) {
        return -2;
      }
      // TODO support resolving well-known service names from:
      // http://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.txt
      return -8;
    }
  }
  if (!node) {
    if (family === 0) {
      family = 2;
    }
    if ((flags & 1) === 0) {
      if (family === 2) {
        addr = _htonl(2130706433);
      } else {
        addr = [ 0, 0, 0, _htonl(1) ];
      }
    }
    ai = allocaddrinfo(family, type, proto, null, addr, port);
    HEAPU32[((out) >>> 2) >>> 0] = ai;
    return 0;
  }
  // try as a numeric address
  node = UTF8ToString(node);
  addr = inetPton4(node);
  if (addr !== null) {
    // incoming node is a valid ipv4 address
    if (family === 0 || family === 2) {
      family = 2;
    } else if (family === 10 && (flags & 8)) {
      addr = [ 0, 0, _htonl(65535), addr ];
      family = 10;
    } else {
      return -2;
    }
  } else {
    addr = inetPton6(node);
    if (addr !== null) {
      // incoming node is a valid ipv6 address
      if (family === 0 || family === 10) {
        family = 10;
      } else {
        return -2;
      }
    }
  }
  if (addr != null) {
    ai = allocaddrinfo(family, type, proto, node, addr, port);
    HEAPU32[((out) >>> 2) >>> 0] = ai;
    return 0;
  }
  if (flags & 4) {
    return -2;
  }
  // try as a hostname
  // resolve the hostname to a temporary fake address
  node = DNS.lookup_name(node);
  addr = inetPton4(node);
  if (family === 0) {
    family = 2;
  } else if (family === 10) {
    addr = [ 0, 0, _htonl(65535), addr ];
  }
  ai = allocaddrinfo(family, type, proto, null, addr, port);
  HEAPU32[((out) >>> 2) >>> 0] = ai;
  return 0;
}

/** @param {Object=} elements */ var autoResumeAudioContext = (ctx, elements) => {
  if (!elements) {
    elements = [ document, document.getElementById("canvas") ];
  }
  [ "keydown", "mousedown", "touchstart" ].forEach(event => {
    elements.forEach(element => {
      element?.addEventListener(event, () => {
        if (ctx.state === "suspended") ctx.resume();
      }, {
        "once": true
      });
    });
  });
};

var dynCall = (sig, ptr, args = [], promising = false) => {
  assert(!promising, "async dynCall is not supported in this mode");
  assert(getWasmTableEntry(ptr), `missing table entry in dynCall: ${ptr}`);
  var func = getWasmTableEntry(ptr);
  var rtn = func(...args);
  function convert(rtn) {
    return sig[0] == "p" ? rtn >>> 0 : rtn;
  }
  return convert(rtn);
};

var getCFunc = ident => {
  var func = Module["_" + ident];
  // closure exported function
  assert(func, "Cannot call unknown function " + ident + ", make sure it is exported");
  return func;
};

var writeArrayToMemory = (array, buffer) => {
  assert(array.length >= 0, "writeArrayToMemory array must have a length (should be an array or typed array)");
  HEAP8.set(array, buffer >>> 0);
};

/**
     * @param {string|null=} returnType
     * @param {Array=} argTypes
     * @param {Array=} args
     * @param {Object=} opts
     */ var ccall = (ident, returnType, argTypes, args, opts) => {
  // For fast lookup of conversion functions
  var toC = {
    "string": str => {
      var ret = 0;
      if (str !== null && str !== undefined && str !== 0) {
        // null string
        ret = stringToUTF8OnStack(str);
      }
      return ret;
    },
    "array": arr => {
      var ret = stackAlloc(arr.length);
      writeArrayToMemory(arr, ret);
      return ret;
    }
  };
  function convertReturnValue(ret) {
    if (returnType === "string") {
      return UTF8ToString(ret);
    }
    if (returnType === "boolean") return Boolean(ret);
    return ret;
  }
  var func = getCFunc(ident);
  var cArgs = [];
  var stack = 0;
  assert(returnType !== "array", 'Return type should not be "array".');
  if (args) {
    for (var i = 0; i < args.length; i++) {
      var converter = toC[argTypes[i]];
      if (converter) {
        if (stack === 0) stack = stackSave();
        cArgs[i] = converter(args[i]);
      } else {
        cArgs[i] = args[i];
      }
    }
  }
  var ret = func(...cArgs);
  function onDone(ret) {
    if (stack !== 0) stackRestore(stack);
    return convertReturnValue(ret);
  }
  ret = onDone(ret);
  return ret;
};

/**
     * @param {string=} returnType
     * @param {Array=} argTypes
     * @param {Object=} opts
     */ var cwrap = (ident, returnType, argTypes, opts) => (...args) => ccall(ident, returnType, argTypes, args, opts);

var uleb128EncodeWithLen = arr => {
  const n = arr.length;
  assert(n < 16384);
  // Note: this LEB128 length encoding produces extra byte for n < 128,
  // but we don't care as it's only used in a temporary representation.
  return [ (n % 128) | 128, n >> 7, ...arr ];
};

var wasmTypeCodes = {
  "i": 127,
  // i32
  "p": 127,
  // i32
  "j": 126,
  // i64
  "f": 125,
  // f32
  "d": 124,
  // f64
  "e": 111
};

var generateTypePack = types => uleb128EncodeWithLen(Array.from(types, type => {
  var code = wasmTypeCodes[type];
  assert(code, `invalid signature char: ${type}`);
  return code;
}));

var convertJsFunctionToWasm = (func, sig) => {
  // Rest of the module is static
  var bytes = Uint8Array.of(0, 97, 115, 109, // magic ("\0asm")
  1, 0, 0, 0, // version: 1
  1, // Type section code
  // The module is static, with the exception of the type section, which is
  // generated based on the signature passed in.
  ...uleb128EncodeWithLen([ 1, // count: 1
  96, // param types
  ...generateTypePack(sig.slice(1)), // return types (for now only supporting [] if `void` and single [T] otherwise)
  ...generateTypePack(sig[0] === "v" ? "" : sig[0]) ]), // The rest of the module is static
  2, 7, // import section
  // (import "e" "f" (func 0 (type 0)))
  1, 1, 101, 1, 102, 0, 0, 7, 5, // export section
  // (export "f" (func 0 (type 0)))
  1, 1, 102, 0, 0);
  // We can compile this wasm module synchronously because it is very small.
  // This accepts an import (at "e.f"), that it reroutes to an export (at "f")
  var module = new WebAssembly.Module(bytes);
  var instance = new WebAssembly.Instance(module, {
    "e": {
      "f": func
    }
  });
  var wrappedFunc = instance.exports["f"];
  return wrappedFunc;
};

var updateTableMap = (offset, count) => {
  if (functionsInTableMap) {
    for (var i = offset; i < offset + count; i++) {
      var item = getWasmTableEntry(i);
      // Ignore null values.
      if (item) {
        functionsInTableMap.set(item, i);
      }
    }
  }
};

var functionsInTableMap;

var getFunctionAddress = func => {
  // First, create the map if this is the first use.
  if (!functionsInTableMap) {
    functionsInTableMap = new WeakMap;
    updateTableMap(0, wasmTable.length);
  }
  return functionsInTableMap.get(func) || 0;
};

var freeTableIndexes = [];

var getEmptyTableSlot = () => {
  // Reuse a free index if there is one, otherwise grow.
  if (freeTableIndexes.length) {
    return freeTableIndexes.pop();
  }
  try {
    // Grow the table
    return wasmTable["grow"](1);
  } catch (err) {
    if (!(err instanceof RangeError)) {
      throw err;
    }
    throw "Unable to grow wasm table. Set ALLOW_TABLE_GROWTH.";
  }
};

var setWasmTableEntry = (idx, func) => {
  /** @suppress {checkTypes} */ wasmTable.set(idx, func);
  // With ABORT_ON_WASM_EXCEPTIONS wasmTable.get is overridden to return wrapped
  // functions so we need to call it here to retrieve the potential wrapper correctly
  // instead of just storing 'func' directly into wasmTableMirror
  /** @suppress {checkTypes} */ wasmTableMirror[idx] = wasmTable.get(idx);
};

/** @param {string=} sig */ var addFunction = (func, sig) => {
  assert(typeof func != "undefined");
  // Check if the function is already in the table, to ensure each function
  // gets a unique index.
  var rtn = getFunctionAddress(func);
  if (rtn) {
    return rtn;
  }
  // It's not in the table, add it now.
  var ret = getEmptyTableSlot();
  // Set the new value.
  try {
    // Attempting to call this with JS function will cause of table.set() to fail
    setWasmTableEntry(ret, func);
  } catch (err) {
    if (!(err instanceof TypeError)) {
      throw err;
    }
    assert(typeof sig != "undefined", "Missing signature argument to addFunction: " + func);
    var wrapped = convertJsFunctionToWasm(func, sig);
    setWasmTableEntry(ret, wrapped);
  }
  functionsInTableMap.set(func, ret);
  return ret;
};

var createContext = Browser.createContext;

FS.createPreloadedFile = FS_createPreloadedFile;

FS.staticInit();

assert(emval_handles.length === 5 * 2);

Module["requestAnimationFrame"] = MainLoop.requestAnimationFrame;

Module["pauseMainLoop"] = MainLoop.pause;

Module["resumeMainLoop"] = MainLoop.resume;

MainLoop.init();

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

var miniTempWebGLFloatBuffersStorage = new Float32Array(288);

// Create GL_POOL_TEMP_BUFFERS_SIZE+1 temporary buffers, for uploads of size 0 through GL_POOL_TEMP_BUFFERS_SIZE inclusive
for (/**@suppress{duplicate}*/ var i = 0; i <= 288; ++i) {
  miniTempWebGLFloatBuffers[i] = miniTempWebGLFloatBuffersStorage.subarray(0, i);
}

var miniTempWebGLIntBuffersStorage = new Int32Array(288);

// Create GL_POOL_TEMP_BUFFERS_SIZE+1 temporary buffers, for uploads of size 0 through GL_POOL_TEMP_BUFFERS_SIZE inclusive
for (/**@suppress{duplicate}*/ var i = 0; i <= 288; ++i) {
  miniTempWebGLIntBuffers[i] = miniTempWebGLIntBuffersStorage.subarray(0, i);
}

// End JS library code
// include: postlibrary.js
// This file is included after the automatically-generated JS library code
// but before the wasm module is created.
{
  // Begin ATMODULES hooks
  if (Module["noExitRuntime"]) noExitRuntime = Module["noExitRuntime"];
  if (Module["preloadPlugins"]) preloadPlugins = Module["preloadPlugins"];
  if (Module["print"]) out = Module["print"];
  if (Module["printErr"]) err = Module["printErr"];
  if (Module["wasmBinary"]) wasmBinary = Module["wasmBinary"];
  // End ATMODULES hooks
  checkIncomingModuleAPI();
  if (Module["arguments"]) arguments_ = Module["arguments"];
  if (Module["thisProgram"]) thisProgram = Module["thisProgram"];
  // Assertions on removed incoming Module JS APIs.
  assert(typeof Module["memoryInitializerPrefixURL"] == "undefined", "Module.memoryInitializerPrefixURL option was removed, use Module.locateFile instead");
  assert(typeof Module["pthreadMainPrefixURL"] == "undefined", "Module.pthreadMainPrefixURL option was removed, use Module.locateFile instead");
  assert(typeof Module["cdInitializerPrefixURL"] == "undefined", "Module.cdInitializerPrefixURL option was removed, use Module.locateFile instead");
  assert(typeof Module["filePackagePrefixURL"] == "undefined", "Module.filePackagePrefixURL option was removed, use Module.locateFile instead");
  assert(typeof Module["read"] == "undefined", "Module.read option was removed");
  assert(typeof Module["readAsync"] == "undefined", "Module.readAsync option was removed (modify readAsync in JS)");
  assert(typeof Module["readBinary"] == "undefined", "Module.readBinary option was removed (modify readBinary in JS)");
  assert(typeof Module["setWindowTitle"] == "undefined", "Module.setWindowTitle option was removed (modify emscripten_set_window_title in JS)");
  assert(typeof Module["TOTAL_MEMORY"] == "undefined", "Module.TOTAL_MEMORY has been renamed Module.INITIAL_MEMORY");
  assert(typeof Module["ENVIRONMENT"] == "undefined", "Module.ENVIRONMENT has been deprecated. To force the environment, use the ENVIRONMENT compile-time option (for example, -sENVIRONMENT=web or -sENVIRONMENT=node)");
  assert(typeof Module["STACK_SIZE"] == "undefined", "STACK_SIZE can no longer be set at runtime.  Use -sSTACK_SIZE at link time");
  // If memory is defined in wasm, the user can't provide it, or set INITIAL_MEMORY
  assert(typeof Module["wasmMemory"] == "undefined", "Use of `wasmMemory` detected.  Use -sIMPORTED_MEMORY to define wasmMemory externally");
  assert(typeof Module["INITIAL_MEMORY"] == "undefined", "Detected runtime INITIAL_MEMORY setting.  Use -sIMPORTED_MEMORY to define wasmMemory dynamically");
}

// Begin runtime exports
Module["callMain"] = callMain;

Module["abort"] = abort;

Module["ccall"] = ccall;

Module["cwrap"] = cwrap;

Module["addFunction"] = addFunction;

Module["UTF8ToString"] = UTF8ToString;

Module["JSEvents"] = JSEvents;

Module["specialHTMLTargets"] = specialHTMLTargets;

Module["createContext"] = createContext;

Module["GL"] = GL;

var missingLibrarySymbols = [ "writeI53ToI64Clamped", "writeI53ToI64Signaling", "writeI53ToU64Clamped", "writeI53ToU64Signaling", "convertI32PairToI53", "convertI32PairToI53Checked", "convertU32PairToI53", "getTempRet0", "setTempRet0", "withStackSave", "getDynCaller", "runtimeKeepalivePush", "runtimeKeepalivePop", "asmjsMangle", "HandleAllocator", "getNativeTypeSize", "addOnInit", "addOnPostCtor", "addOnPreMain", "STACK_SIZE", "STACK_ALIGN", "POINTER_SIZE", "ASSERTIONS", "removeFunction", "intArrayToString", "stringToAscii", "fillDeviceOrientationEventData", "registerDeviceOrientationEventCallback", "fillDeviceMotionEventData", "registerDeviceMotionEventCallback", "screenOrientation", "fillOrientationChangeEventData", "registerOrientationChangeEventCallback", "hideEverythingExceptGivenElement", "restoreHiddenElements", "softFullscreenResizeWebGLRenderTarget", "registerPointerlockErrorEventCallback", "fillBatteryEventData", "registerBatteryEventCallback", "jsStackTrace", "getCallstack", "convertPCtoSourceLocation", "wasiRightsToMuslOFlags", "wasiOFlagsToMuslOFlags", "setImmediateWrapped", "safeRequestAnimationFrame", "clearImmediateWrapped", "registerPostMainLoop", "registerPreMainLoop", "getPromise", "makePromise", "idsToPromises", "makePromiseCallback", "findMatchingCatch", "Browser_asyncPrepareDataCounter", "arraySum", "addDays", "FS_mkdirTree", "_setNetworkCallback", "writeGLArray", "registerWebGlEventCallback", "runAndAbortIfError", "ALLOC_NORMAL", "ALLOC_STACK", "allocate", "writeStringToMemory", "writeAsciiToMemory", "demangle", "stackTrace", "throwInternalError", "whenDependentTypesAreResolved", "getTypeName", "getFunctionName", "getFunctionArgsName", "heap32VectorToArray", "requireRegisteredType", "usesDestructorStack", "createJsInvokerSignature", "checkArgCount", "getRequiredArgCount", "createJsInvoker", "UnboundTypeError", "PureVirtualError", "throwUnboundTypeError", "ensureOverloadTable", "exposePublicSymbol", "replacePublicSymbol", "createNamedFunction", "getBasestPointer", "registerInheritedInstance", "unregisterInheritedInstance", "getInheritedInstance", "getInheritedInstanceCount", "getLiveInheritedInstances", "enumReadValueFromPointer", "runDestructors", "craftInvokerFunction", "embind__requireFunction", "genericPointerToWireType", "constNoSmartPtrRawPointerToWireType", "nonConstNoSmartPtrRawPointerToWireType", "init_RegisteredPointer", "RegisteredPointer", "RegisteredPointer_fromWireType", "runDestructor", "releaseClassHandle", "detachFinalizer", "attachFinalizer", "makeClassHandle", "init_ClassHandle", "ClassHandle", "throwInstanceAlreadyDeleted", "flushPendingDeletes", "setDelayFunction", "RegisteredClass", "shallowCopyInternalPointer", "downcastPointer", "upcastPointer", "validateThis", "char_0", "char_9", "makeLegalFunctionName", "count_emval_handles", "getStringOrSymbol", "emval_get_global", "emval_returnValue", "emval_lookupTypes", "emval_addMethodCaller" ];

missingLibrarySymbols.forEach(missingLibrarySymbol);

var unexportedSymbols = [ "run", "addRunDependency", "removeRunDependency", "out", "err", "wasmMemory", "wasmExports", "HEAPF32", "HEAPF64", "HEAP8", "HEAP16", "HEAPU16", "HEAP32", "HEAPU32", "HEAP64", "HEAPU64", "writeStackCookie", "checkStackCookie", "writeI53ToI64", "readI53FromI64", "readI53FromU64", "INT53_MAX", "INT53_MIN", "bigintToI53Checked", "stackSave", "stackRestore", "stackAlloc", "ptrToString", "zeroMemory", "exitJS", "getHeapMax", "growMemory", "ENV", "ERRNO_CODES", "strError", "inetPton4", "inetNtop4", "inetPton6", "inetNtop6", "readSockaddr", "writeSockaddr", "DNS", "Protocols", "Sockets", "timers", "warnOnce", "readEmAsmArgsArray", "readEmAsmArgs", "runEmAsmFunction", "runMainThreadEmAsm", "jstoi_q", "getExecutableName", "autoResumeAudioContext", "dynCall", "handleException", "keepRuntimeAlive", "callUserCallback", "maybeExit", "asyncLoad", "alignMemory", "mmapAlloc", "wasmTable", "getUniqueRunDependency", "noExitRuntime", "addOnPreRun", "addOnExit", "addOnPostRun", "convertJsFunctionToWasm", "freeTableIndexes", "functionsInTableMap", "getEmptyTableSlot", "updateTableMap", "getFunctionAddress", "setValue", "getValue", "PATH", "PATH_FS", "UTF8Decoder", "UTF8ArrayToString", "stringToUTF8Array", "stringToUTF8", "lengthBytesUTF8", "intArrayFromString", "AsciiToString", "UTF16Decoder", "UTF16ToString", "stringToUTF16", "lengthBytesUTF16", "UTF32ToString", "stringToUTF32", "lengthBytesUTF32", "stringToNewUTF8", "stringToUTF8OnStack", "writeArrayToMemory", "registerKeyEventCallback", "maybeCStringToJsString", "findEventTarget", "findCanvasEventTarget", "getBoundingClientRect", "fillMouseEventData", "registerMouseEventCallback", "registerWheelEventCallback", "registerUiEventCallback", "registerFocusEventCallback", "fillFullscreenChangeEventData", "registerFullscreenChangeEventCallback", "JSEvents_requestFullscreen", "JSEvents_resizeCanvasForFullscreen", "registerRestoreOldStyle", "setLetterbox", "currentFullscreenStrategy", "restoreOldWindowedStyle", "doRequestFullscreen", "fillPointerlockChangeEventData", "registerPointerlockChangeEventCallback", "requestPointerLock", "fillVisibilityChangeEventData", "registerVisibilityChangeEventCallback", "registerTouchEventCallback", "fillGamepadEventData", "registerGamepadEventCallback", "registerBeforeUnloadEventCallback", "setCanvasElementSize", "getCanvasElementSize", "UNWIND_CACHE", "ExitStatus", "getEnvStrings", "checkWasiClock", "doReadv", "doWritev", "initRandomFill", "randomFill", "safeSetTimeout", "emSetImmediate", "emClearImmediate_deps", "emClearImmediate", "promiseMap", "uncaughtExceptionCount", "exceptionLast", "exceptionCaught", "ExceptionInfo", "Browser", "requestFullscreen", "requestFullScreen", "setCanvasSize", "getUserMedia", "getPreloadedImageData__data", "wget", "MONTH_DAYS_REGULAR", "MONTH_DAYS_LEAP", "MONTH_DAYS_REGULAR_CUMULATIVE", "MONTH_DAYS_LEAP_CUMULATIVE", "isLeapYear", "ydayFromDate", "SYSCALLS", "getSocketFromFD", "getSocketAddress", "preloadPlugins", "FS_createPreloadedFile", "FS_modeStringToFlags", "FS_getMode", "FS_stdin_getChar_buffer", "FS_stdin_getChar", "FS_unlink", "FS_createPath", "FS_createDevice", "FS_readFile", "FS", "FS_root", "FS_mounts", "FS_devices", "FS_streams", "FS_nextInode", "FS_nameTable", "FS_currentPath", "FS_initialized", "FS_ignorePermissions", "FS_filesystems", "FS_syncFSRequests", "FS_readFiles", "FS_lookupPath", "FS_getPath", "FS_hashName", "FS_hashAddNode", "FS_hashRemoveNode", "FS_lookupNode", "FS_createNode", "FS_destroyNode", "FS_isRoot", "FS_isMountpoint", "FS_isFile", "FS_isDir", "FS_isLink", "FS_isChrdev", "FS_isBlkdev", "FS_isFIFO", "FS_isSocket", "FS_flagsToPermissionString", "FS_nodePermissions", "FS_mayLookup", "FS_mayCreate", "FS_mayDelete", "FS_mayOpen", "FS_checkOpExists", "FS_nextfd", "FS_getStreamChecked", "FS_getStream", "FS_createStream", "FS_closeStream", "FS_dupStream", "FS_doSetAttr", "FS_chrdev_stream_ops", "FS_major", "FS_minor", "FS_makedev", "FS_registerDevice", "FS_getDevice", "FS_getMounts", "FS_syncfs", "FS_mount", "FS_unmount", "FS_lookup", "FS_mknod", "FS_statfs", "FS_statfsStream", "FS_statfsNode", "FS_create", "FS_mkdir", "FS_mkdev", "FS_symlink", "FS_rename", "FS_rmdir", "FS_readdir", "FS_readlink", "FS_stat", "FS_fstat", "FS_lstat", "FS_doChmod", "FS_chmod", "FS_lchmod", "FS_fchmod", "FS_doChown", "FS_chown", "FS_lchown", "FS_fchown", "FS_doTruncate", "FS_truncate", "FS_ftruncate", "FS_utime", "FS_open", "FS_close", "FS_isClosed", "FS_llseek", "FS_read", "FS_write", "FS_mmap", "FS_msync", "FS_ioctl", "FS_writeFile", "FS_cwd", "FS_chdir", "FS_createDefaultDirectories", "FS_createDefaultDevices", "FS_createSpecialDirectories", "FS_createStandardStreams", "FS_staticInit", "FS_init", "FS_quit", "FS_findObject", "FS_analyzePath", "FS_createFile", "FS_createDataFile", "FS_forceLoadFile", "FS_createLazyFile", "FS_absolutePath", "FS_createFolder", "FS_createLink", "FS_joinPath", "FS_mmapAlloc", "FS_standardizePath", "MEMFS", "TTY", "PIPEFS", "SOCKFS", "tempFixedLengthArray", "miniTempWebGLFloatBuffers", "miniTempWebGLIntBuffers", "heapObjectForWebGLType", "toTypedArrayIndex", "webgl_enable_ANGLE_instanced_arrays", "webgl_enable_OES_vertex_array_object", "webgl_enable_WEBGL_draw_buffers", "webgl_enable_WEBGL_multi_draw", "webgl_enable_EXT_polygon_offset_clamp", "webgl_enable_EXT_clip_control", "webgl_enable_WEBGL_polygon_mode", "emscriptenWebGLGet", "computeUnpackAlignedImageSize", "colorChannelsInGlTextureFormat", "emscriptenWebGLGetTexPixelData", "emscriptenWebGLGetUniform", "webglGetUniformLocation", "webglPrepareUniformLocationsBeforeFirstUse", "webglGetLeftBracePos", "emscriptenWebGLGetVertexAttrib", "__glGetActiveAttribOrUniform", "AL", "GLUT", "EGL", "GLEW", "IDBStore", "allocateUTF8", "allocateUTF8OnStack", "print", "printErr", "jstoi_s", "InternalError", "BindingError", "throwBindingError", "registeredTypes", "awaitingDependencies", "typeDependencies", "tupleRegistrations", "structRegistrations", "sharedRegisterType", "EmValType", "EmValOptionalType", "embindRepr", "registeredInstances", "registeredPointers", "registerType", "integerReadValueFromPointer", "floatReadValueFromPointer", "assertIntegerRange", "readPointer", "finalizationRegistry", "detachFinalizer_deps", "deletionQueue", "delayFunction", "emval_freelist", "emval_handles", "emval_symbols", "Emval", "emval_methodCallers" ];

unexportedSymbols.forEach(unexportedRuntimeSymbol);

// End runtime exports
// Begin JS library exports
// End JS library exports
// end include: postlibrary.js
function checkIncomingModuleAPI() {
  ignoredModuleProp("fetchSettings");
}

var ASM_CONSTS = {
  1072037: () => {
    if (typeof (AudioContext) !== "undefined") {
      return true;
    } else if (typeof (webkitAudioContext) !== "undefined") {
      return true;
    }
    return false;
  },
  1072184: () => {
    if ((typeof (navigator.mediaDevices) !== "undefined") && (typeof (navigator.mediaDevices.getUserMedia) !== "undefined")) {
      return true;
    } else if (typeof (navigator.webkitGetUserMedia) !== "undefined") {
      return true;
    }
    return false;
  },
  1072418: $0 => {
    if (typeof (Module["SDL2"]) === "undefined") {
      Module["SDL2"] = {};
    }
    var SDL2 = Module["SDL2"];
    if (!$0) {
      SDL2.audio = {};
    } else {
      SDL2.capture = {};
    }
    if (!SDL2.audioContext) {
      if (typeof (AudioContext) !== "undefined") {
        SDL2.audioContext = new AudioContext;
      } else if (typeof (webkitAudioContext) !== "undefined") {
        SDL2.audioContext = new webkitAudioContext;
      }
      if (SDL2.audioContext) {
        if ((typeof navigator.userActivation) === "undefined") {
          autoResumeAudioContext(SDL2.audioContext);
        }
      }
    }
    return SDL2.audioContext === undefined ? -1 : 0;
  },
  1072970: () => {
    var SDL2 = Module["SDL2"];
    return SDL2.audioContext.sampleRate;
  },
  1073038: ($0, $1, $2, $3) => {
    var SDL2 = Module["SDL2"];
    var have_microphone = function(stream) {
      if (SDL2.capture.silenceTimer !== undefined) {
        clearInterval(SDL2.capture.silenceTimer);
        SDL2.capture.silenceTimer = undefined;
        SDL2.capture.silenceBuffer = undefined;
      }
      SDL2.capture.mediaStreamNode = SDL2.audioContext.createMediaStreamSource(stream);
      SDL2.capture.scriptProcessorNode = SDL2.audioContext.createScriptProcessor($1, $0, 1);
      SDL2.capture.scriptProcessorNode.onaudioprocess = function(audioProcessingEvent) {
        if ((SDL2 === undefined) || (SDL2.capture === undefined)) {
          return;
        }
        audioProcessingEvent.outputBuffer.getChannelData(0).fill(0);
        SDL2.capture.currentCaptureBuffer = audioProcessingEvent.inputBuffer;
        dynCall("vi", $2, [ $3 ]);
      };
      SDL2.capture.mediaStreamNode.connect(SDL2.capture.scriptProcessorNode);
      SDL2.capture.scriptProcessorNode.connect(SDL2.audioContext.destination);
      SDL2.capture.stream = stream;
    };
    var no_microphone = function(error) {};
    SDL2.capture.silenceBuffer = SDL2.audioContext.createBuffer($0, $1, SDL2.audioContext.sampleRate);
    SDL2.capture.silenceBuffer.getChannelData(0).fill(0);
    var silence_callback = function() {
      SDL2.capture.currentCaptureBuffer = SDL2.capture.silenceBuffer;
      dynCall("vi", $2, [ $3 ]);
    };
    SDL2.capture.silenceTimer = setInterval(silence_callback, ($1 / SDL2.audioContext.sampleRate) * 1e3);
    if ((navigator.mediaDevices !== undefined) && (navigator.mediaDevices.getUserMedia !== undefined)) {
      navigator.mediaDevices.getUserMedia({
        audio: true,
        video: false
      }).then(have_microphone).catch(no_microphone);
    } else if (navigator.webkitGetUserMedia !== undefined) {
      navigator.webkitGetUserMedia({
        audio: true,
        video: false
      }, have_microphone, no_microphone);
    }
  },
  1074731: ($0, $1, $2, $3) => {
    var SDL2 = Module["SDL2"];
    SDL2.audio.scriptProcessorNode = SDL2.audioContext["createScriptProcessor"]($1, 0, $0);
    SDL2.audio.scriptProcessorNode["onaudioprocess"] = function(e) {
      if ((SDL2 === undefined) || (SDL2.audio === undefined)) {
        return;
      }
      if (SDL2.audio.silenceTimer !== undefined) {
        clearInterval(SDL2.audio.silenceTimer);
        SDL2.audio.silenceTimer = undefined;
        SDL2.audio.silenceBuffer = undefined;
      }
      SDL2.audio.currentOutputBuffer = e["outputBuffer"];
      dynCall("vi", $2, [ $3 ]);
    };
    SDL2.audio.scriptProcessorNode["connect"](SDL2.audioContext["destination"]);
    if (SDL2.audioContext.state === "suspended") {
      SDL2.audio.silenceBuffer = SDL2.audioContext.createBuffer($0, $1, SDL2.audioContext.sampleRate);
      SDL2.audio.silenceBuffer.getChannelData(0).fill(0);
      var silence_callback = function() {
        if ((typeof navigator.userActivation) !== "undefined") {
          if (navigator.userActivation.hasBeenActive) {
            SDL2.audioContext.resume();
          }
        }
        SDL2.audio.currentOutputBuffer = SDL2.audio.silenceBuffer;
        dynCall("vi", $2, [ $3 ]);
        SDL2.audio.currentOutputBuffer = undefined;
      };
      SDL2.audio.silenceTimer = setInterval(silence_callback, ($1 / SDL2.audioContext.sampleRate) * 1e3);
    }
  },
  1075906: ($0, $1) => {
    var SDL2 = Module["SDL2"];
    var numChannels = SDL2.capture.currentCaptureBuffer.numberOfChannels;
    for (var c = 0; c < numChannels; ++c) {
      var channelData = SDL2.capture.currentCaptureBuffer.getChannelData(c);
      if (channelData.length != $1) {
        throw "Web Audio capture buffer length mismatch! Destination size: " + channelData.length + " samples vs expected " + $1 + " samples!";
      }
      if (numChannels == 1) {
        for (var j = 0; j < $1; ++j) {
          setValue($0 + (j * 4), channelData[j], "float");
        }
      } else {
        for (var j = 0; j < $1; ++j) {
          setValue($0 + (((j * numChannels) + c) * 4), channelData[j], "float");
        }
      }
    }
  },
  1076511: ($0, $1) => {
    var SDL2 = Module["SDL2"];
    var buf = $0 >>> 2;
    var numChannels = SDL2.audio.currentOutputBuffer["numberOfChannels"];
    for (var c = 0; c < numChannels; ++c) {
      var channelData = SDL2.audio.currentOutputBuffer["getChannelData"](c);
      if (channelData.length != $1) {
        throw "Web Audio output buffer length mismatch! Destination size: " + channelData.length + " samples vs expected " + $1 + " samples!";
      }
      for (var j = 0; j < $1; ++j) {
        channelData[j] = HEAPF32[buf + (j * numChannels + c) >>> 0];
      }
    }
  },
  1077e3: $0 => {
    var SDL2 = Module["SDL2"];
    if ($0) {
      if (SDL2.capture.silenceTimer !== undefined) {
        clearInterval(SDL2.capture.silenceTimer);
      }
      if (SDL2.capture.stream !== undefined) {
        var tracks = SDL2.capture.stream.getAudioTracks();
        for (var i = 0; i < tracks.length; i++) {
          SDL2.capture.stream.removeTrack(tracks[i]);
        }
      }
      if (SDL2.capture.scriptProcessorNode !== undefined) {
        SDL2.capture.scriptProcessorNode.onaudioprocess = function(audioProcessingEvent) {};
        SDL2.capture.scriptProcessorNode.disconnect();
      }
      if (SDL2.capture.mediaStreamNode !== undefined) {
        SDL2.capture.mediaStreamNode.disconnect();
      }
      SDL2.capture = undefined;
    } else {
      if (SDL2.audio.scriptProcessorNode != undefined) {
        SDL2.audio.scriptProcessorNode.disconnect();
      }
      if (SDL2.audio.silenceTimer !== undefined) {
        clearInterval(SDL2.audio.silenceTimer);
      }
      SDL2.audio = undefined;
    }
    if ((SDL2.audioContext !== undefined) && (SDL2.audio === undefined) && (SDL2.capture === undefined)) {
      SDL2.audioContext.close();
      SDL2.audioContext = undefined;
    }
  },
  1078006: $0 => {
    var str = UTF8ToString($0) + "\n\n" + "Abort/Retry/Ignore/AlwaysIgnore? [ariA] :";
    var reply = window.prompt(str, "i");
    if (reply === null) {
      reply = "i";
    }
    return allocate(intArrayFromString(reply), "i8", ALLOC_NORMAL);
  },
  1078231: ($0, $1, $2) => {
    var w = $0;
    var h = $1;
    var pixels = $2;
    if (!Module["SDL2"]) Module["SDL2"] = {};
    var SDL2 = Module["SDL2"];
    if (SDL2.ctxCanvas !== Module["canvas"]) {
      SDL2.ctx = Module["createContext"](Module["canvas"], false, true);
      SDL2.ctxCanvas = Module["canvas"];
    }
    if (SDL2.w !== w || SDL2.h !== h || SDL2.imageCtx !== SDL2.ctx) {
      SDL2.image = SDL2.ctx.createImageData(w, h);
      SDL2.w = w;
      SDL2.h = h;
      SDL2.imageCtx = SDL2.ctx;
    }
    var data = SDL2.image.data;
    var src = pixels / 4;
    var dst = 0;
    var num;
    if (typeof CanvasPixelArray !== "undefined" && data instanceof CanvasPixelArray) {
      num = data.length;
      while (dst < num) {
        var val = HEAP32[src >>> 0];
        data[dst] = val & 255;
        data[dst + 1] = (val >> 8) & 255;
        data[dst + 2] = (val >> 16) & 255;
        data[dst + 3] = 255;
        src++;
        dst += 4;
      }
    } else {
      if (SDL2.data32Data !== data) {
        SDL2.data32 = new Int32Array(data.buffer);
        SDL2.data8 = new Uint8Array(data.buffer);
        SDL2.data32Data = data;
      }
      var data32 = SDL2.data32;
      num = data32.length;
      data32.set(HEAP32.subarray(src >>> 0, src + num >>> 0));
      var data8 = SDL2.data8;
      var i = 3;
      var j = i + 4 * num;
      if (num % 8 == 0) {
        while (i < j) {
          data8[i] = 255;
          i = i + 4 | 0;
          data8[i] = 255;
          i = i + 4 | 0;
          data8[i] = 255;
          i = i + 4 | 0;
          data8[i] = 255;
          i = i + 4 | 0;
          data8[i] = 255;
          i = i + 4 | 0;
          data8[i] = 255;
          i = i + 4 | 0;
          data8[i] = 255;
          i = i + 4 | 0;
          data8[i] = 255;
          i = i + 4 | 0;
        }
      } else {
        while (i < j) {
          data8[i] = 255;
          i = i + 4 | 0;
        }
      }
    }
    SDL2.ctx.putImageData(SDL2.image, 0, 0);
  },
  1079699: ($0, $1, $2, $3, $4) => {
    var w = $0;
    var h = $1;
    var hot_x = $2;
    var hot_y = $3;
    var pixels = $4;
    var canvas = document.createElement("canvas");
    canvas.width = w;
    canvas.height = h;
    var ctx = canvas.getContext("2d");
    var image = ctx.createImageData(w, h);
    var data = image.data;
    var src = pixels / 4;
    var dst = 0;
    var num;
    if (typeof CanvasPixelArray !== "undefined" && data instanceof CanvasPixelArray) {
      num = data.length;
      while (dst < num) {
        var val = HEAP32[src >>> 0];
        data[dst] = val & 255;
        data[dst + 1] = (val >> 8) & 255;
        data[dst + 2] = (val >> 16) & 255;
        data[dst + 3] = (val >> 24) & 255;
        src++;
        dst += 4;
      }
    } else {
      var data32 = new Int32Array(data.buffer);
      num = data32.length;
      data32.set(HEAP32.subarray(src >>> 0, src + num >>> 0));
    }
    ctx.putImageData(image, 0, 0);
    var url = hot_x === 0 && hot_y === 0 ? "url(" + canvas.toDataURL() + "), auto" : "url(" + canvas.toDataURL() + ") " + hot_x + " " + hot_y + ", auto";
    var urlBuf = _malloc(url.length + 1);
    stringToUTF8(url, urlBuf, url.length + 1);
    return urlBuf;
  },
  1080687: $0 => {
    if (Module["canvas"]) {
      Module["canvas"].style["cursor"] = UTF8ToString($0);
    }
  },
  1080770: () => {
    if (Module["canvas"]) {
      Module["canvas"].style["cursor"] = "none";
    }
  },
  1080839: () => window.innerWidth,
  1080869: () => window.innerHeight
};

// Imports from the Wasm binary.
var _fflush = makeInvalidEarlyAccess("_fflush");

var _free = Module["_free"] = makeInvalidEarlyAccess("_free");

var _DoMouseDown = Module["_DoMouseDown"] = makeInvalidEarlyAccess("_DoMouseDown");

var _DoMouseUp = Module["_DoMouseUp"] = makeInvalidEarlyAccess("_DoMouseUp");

var _DoMouseMove = Module["_DoMouseMove"] = makeInvalidEarlyAccess("_DoMouseMove");

var _DoMouseWheelZoom = Module["_DoMouseWheelZoom"] = makeInvalidEarlyAccess("_DoMouseWheelZoom");

var _DoPinchZoom = Module["_DoPinchZoom"] = makeInvalidEarlyAccess("_DoPinchZoom");

var _CancelLoadImage = Module["_CancelLoadImage"] = makeInvalidEarlyAccess("_CancelLoadImage");

var _UpdateDcmImage = Module["_UpdateDcmImage"] = makeInvalidEarlyAccess("_UpdateDcmImage");

var _ParseDicomToPixelData = Module["_ParseDicomToPixelData"] = makeInvalidEarlyAccess("_ParseDicomToPixelData");

var _Shutdown = Module["_Shutdown"] = makeInvalidEarlyAccess("_Shutdown");

var _ProcessDCMFile = Module["_ProcessDCMFile"] = makeInvalidEarlyAccess("_ProcessDCMFile");

var _SetWindowWidthLevel = Module["_SetWindowWidthLevel"] = makeInvalidEarlyAccess("_SetWindowWidthLevel");

var _SetDisplayFrameIndex = Module["_SetDisplayFrameIndex"] = makeInvalidEarlyAccess("_SetDisplayFrameIndex");

var _SetResizeFrame = Module["_SetResizeFrame"] = makeInvalidEarlyAccess("_SetResizeFrame");

var _ResetView = Module["_ResetView"] = makeInvalidEarlyAccess("_ResetView");

var _ResetWindowWidthLevel = Module["_ResetWindowWidthLevel"] = makeInvalidEarlyAccess("_ResetWindowWidthLevel");

var _GetTotalBytes = Module["_GetTotalBytes"] = makeInvalidEarlyAccess("_GetTotalBytes");

var _GetReadBytes = Module["_GetReadBytes"] = makeInvalidEarlyAccess("_GetReadBytes");

var _GetWindowWidth = Module["_GetWindowWidth"] = makeInvalidEarlyAccess("_GetWindowWidth");

var _GetWindowCenter = Module["_GetWindowCenter"] = makeInvalidEarlyAccess("_GetWindowCenter");

var _GetTotalFrames = Module["_GetTotalFrames"] = makeInvalidEarlyAccess("_GetTotalFrames");

var _IsUseMonochrome1 = Module["_IsUseMonochrome1"] = makeInvalidEarlyAccess("_IsUseMonochrome1");

var _GetCurrentFrame = Module["_GetCurrentFrame"] = makeInvalidEarlyAccess("_GetCurrentFrame");

var _GetFrameUpdateTimeDelay = Module["_GetFrameUpdateTimeDelay"] = makeInvalidEarlyAccess("_GetFrameUpdateTimeDelay");

var _getDumpJson = Module["_getDumpJson"] = makeInvalidEarlyAccess("_getDumpJson");

var _setDumpJson = Module["_setDumpJson"] = makeInvalidEarlyAccess("_setDumpJson");

var _SetInteractionMode = Module["_SetInteractionMode"] = makeInvalidEarlyAccess("_SetInteractionMode");

var _SetCallbackUpdateDcmImageComplete = Module["_SetCallbackUpdateDcmImageComplete"] = makeInvalidEarlyAccess("_SetCallbackUpdateDcmImageComplete");

var _SetCallbackUpdateWasmInitGeometryComplete = Module["_SetCallbackUpdateWasmInitGeometryComplete"] = makeInvalidEarlyAccess("_SetCallbackUpdateWasmInitGeometryComplete");

var _GetFrameWidth = Module["_GetFrameWidth"] = makeInvalidEarlyAccess("_GetFrameWidth");

var _GetFrameHeight = Module["_GetFrameHeight"] = makeInvalidEarlyAccess("_GetFrameHeight");

var _GetFrameSizeUncompressed = Module["_GetFrameSizeUncompressed"] = makeInvalidEarlyAccess("_GetFrameSizeUncompressed");

var _GetPaletteEntries = Module["_GetPaletteEntries"] = makeInvalidEarlyAccess("_GetPaletteEntries");

var _GetDefaultWindowWidth = Module["_GetDefaultWindowWidth"] = makeInvalidEarlyAccess("_GetDefaultWindowWidth");

var _GetDefaultWindowCenter = Module["_GetDefaultWindowCenter"] = makeInvalidEarlyAccess("_GetDefaultWindowCenter");

var _GetBitsAllocated = Module["_GetBitsAllocated"] = makeInvalidEarlyAccess("_GetBitsAllocated");

var _GetBitsStored = Module["_GetBitsStored"] = makeInvalidEarlyAccess("_GetBitsStored");

var _GetSamplesPerPixel = Module["_GetSamplesPerPixel"] = makeInvalidEarlyAccess("_GetSamplesPerPixel");

var _GetColorType = Module["_GetColorType"] = makeInvalidEarlyAccess("_GetColorType");

var _GetWidth = Module["_GetWidth"] = makeInvalidEarlyAccess("_GetWidth");

var _GetHeight = Module["_GetHeight"] = makeInvalidEarlyAccess("_GetHeight");

var _GetFrameTime = Module["_GetFrameTime"] = makeInvalidEarlyAccess("_GetFrameTime");

var _GetFrameDelay = Module["_GetFrameDelay"] = makeInvalidEarlyAccess("_GetFrameDelay");

var _GetPixelData = Module["_GetPixelData"] = makeInvalidEarlyAccess("_GetPixelData");

var _GetPaletteData = Module["_GetPaletteData"] = makeInvalidEarlyAccess("_GetPaletteData");

var _SetDicomData = Module["_SetDicomData"] = makeInvalidEarlyAccess("_SetDicomData");

var _ClearImageData = Module["_ClearImageData"] = makeInvalidEarlyAccess("_ClearImageData");

var _main = Module["_main"] = makeInvalidEarlyAccess("_main");

var ___getTypeName = makeInvalidEarlyAccess("___getTypeName");

var _malloc = Module["_malloc"] = makeInvalidEarlyAccess("_malloc");

var _ntohs = makeInvalidEarlyAccess("_ntohs");

var _htons = makeInvalidEarlyAccess("_htons");

var _htonl = makeInvalidEarlyAccess("_htonl");

var _strerror = makeInvalidEarlyAccess("_strerror");

var _emscripten_stack_get_end = makeInvalidEarlyAccess("_emscripten_stack_get_end");

var _emscripten_stack_get_base = makeInvalidEarlyAccess("_emscripten_stack_get_base");

var _setThrew = makeInvalidEarlyAccess("_setThrew");

var _emscripten_stack_init = makeInvalidEarlyAccess("_emscripten_stack_init");

var _emscripten_stack_get_free = makeInvalidEarlyAccess("_emscripten_stack_get_free");

var __emscripten_stack_restore = makeInvalidEarlyAccess("__emscripten_stack_restore");

var __emscripten_stack_alloc = makeInvalidEarlyAccess("__emscripten_stack_alloc");

var _emscripten_stack_get_current = makeInvalidEarlyAccess("_emscripten_stack_get_current");

function assignWasmExports(wasmExports) {
  _fflush = createExportWrapper("fflush", 1);
  Module["_free"] = _free = createExportWrapper("free", 1);
  Module["_DoMouseDown"] = _DoMouseDown = createExportWrapper("DoMouseDown", 2);
  Module["_DoMouseUp"] = _DoMouseUp = createExportWrapper("DoMouseUp", 2);
  Module["_DoMouseMove"] = _DoMouseMove = createExportWrapper("DoMouseMove", 2);
  Module["_DoMouseWheelZoom"] = _DoMouseWheelZoom = createExportWrapper("DoMouseWheelZoom", 1);
  Module["_DoPinchZoom"] = _DoPinchZoom = createExportWrapper("DoPinchZoom", 3);
  Module["_CancelLoadImage"] = _CancelLoadImage = createExportWrapper("CancelLoadImage", 0);
  Module["_UpdateDcmImage"] = _UpdateDcmImage = createExportWrapper("UpdateDcmImage", 1);
  Module["_ParseDicomToPixelData"] = _ParseDicomToPixelData = createExportWrapper("ParseDicomToPixelData", 2);
  Module["_Shutdown"] = _Shutdown = createExportWrapper("Shutdown", 0);
  Module["_ProcessDCMFile"] = _ProcessDCMFile = createExportWrapper("ProcessDCMFile", 2);
  Module["_SetWindowWidthLevel"] = _SetWindowWidthLevel = createExportWrapper("SetWindowWidthLevel", 2);
  Module["_SetDisplayFrameIndex"] = _SetDisplayFrameIndex = createExportWrapper("SetDisplayFrameIndex", 1);
  Module["_SetResizeFrame"] = _SetResizeFrame = createExportWrapper("SetResizeFrame", 2);
  Module["_ResetView"] = _ResetView = createExportWrapper("ResetView", 0);
  Module["_ResetWindowWidthLevel"] = _ResetWindowWidthLevel = createExportWrapper("ResetWindowWidthLevel", 0);
  Module["_GetTotalBytes"] = _GetTotalBytes = createExportWrapper("GetTotalBytes", 0);
  Module["_GetReadBytes"] = _GetReadBytes = createExportWrapper("GetReadBytes", 0);
  Module["_GetWindowWidth"] = _GetWindowWidth = createExportWrapper("GetWindowWidth", 0);
  Module["_GetWindowCenter"] = _GetWindowCenter = createExportWrapper("GetWindowCenter", 0);
  Module["_GetTotalFrames"] = _GetTotalFrames = createExportWrapper("GetTotalFrames", 0);
  Module["_IsUseMonochrome1"] = _IsUseMonochrome1 = createExportWrapper("IsUseMonochrome1", 0);
  Module["_GetCurrentFrame"] = _GetCurrentFrame = createExportWrapper("GetCurrentFrame", 0);
  Module["_GetFrameUpdateTimeDelay"] = _GetFrameUpdateTimeDelay = createExportWrapper("GetFrameUpdateTimeDelay", 0);
  Module["_getDumpJson"] = _getDumpJson = createExportWrapper("getDumpJson", 0);
  Module["_setDumpJson"] = _setDumpJson = createExportWrapper("setDumpJson", 1);
  Module["_SetInteractionMode"] = _SetInteractionMode = createExportWrapper("SetInteractionMode", 1);
  Module["_SetCallbackUpdateDcmImageComplete"] = _SetCallbackUpdateDcmImageComplete = createExportWrapper("SetCallbackUpdateDcmImageComplete", 1);
  Module["_SetCallbackUpdateWasmInitGeometryComplete"] = _SetCallbackUpdateWasmInitGeometryComplete = createExportWrapper("SetCallbackUpdateWasmInitGeometryComplete", 1);
  Module["_GetFrameWidth"] = _GetFrameWidth = createExportWrapper("GetFrameWidth", 0);
  Module["_GetFrameHeight"] = _GetFrameHeight = createExportWrapper("GetFrameHeight", 0);
  Module["_GetFrameSizeUncompressed"] = _GetFrameSizeUncompressed = createExportWrapper("GetFrameSizeUncompressed", 0);
  Module["_GetPaletteEntries"] = _GetPaletteEntries = createExportWrapper("GetPaletteEntries", 0);
  Module["_GetDefaultWindowWidth"] = _GetDefaultWindowWidth = createExportWrapper("GetDefaultWindowWidth", 0);
  Module["_GetDefaultWindowCenter"] = _GetDefaultWindowCenter = createExportWrapper("GetDefaultWindowCenter", 0);
  Module["_GetBitsAllocated"] = _GetBitsAllocated = createExportWrapper("GetBitsAllocated", 0);
  Module["_GetBitsStored"] = _GetBitsStored = createExportWrapper("GetBitsStored", 0);
  Module["_GetSamplesPerPixel"] = _GetSamplesPerPixel = createExportWrapper("GetSamplesPerPixel", 0);
  Module["_GetColorType"] = _GetColorType = createExportWrapper("GetColorType", 0);
  Module["_GetWidth"] = _GetWidth = createExportWrapper("GetWidth", 0);
  Module["_GetHeight"] = _GetHeight = createExportWrapper("GetHeight", 0);
  Module["_GetFrameTime"] = _GetFrameTime = createExportWrapper("GetFrameTime", 0);
  Module["_GetFrameDelay"] = _GetFrameDelay = createExportWrapper("GetFrameDelay", 0);
  Module["_GetPixelData"] = _GetPixelData = createExportWrapper("GetPixelData", 0);
  Module["_GetPaletteData"] = _GetPaletteData = createExportWrapper("GetPaletteData", 0);
  Module["_SetDicomData"] = _SetDicomData = createExportWrapper("SetDicomData", 15);
  Module["_ClearImageData"] = _ClearImageData = createExportWrapper("ClearImageData", 0);
  Module["_main"] = _main = createExportWrapper("__main_argc_argv", 2);
  ___getTypeName = createExportWrapper("__getTypeName", 1);
  Module["_malloc"] = _malloc = createExportWrapper("malloc", 1);
  _ntohs = createExportWrapper("ntohs", 1);
  _htons = createExportWrapper("htons", 1);
  _htonl = createExportWrapper("htonl", 1);
  _strerror = createExportWrapper("strerror", 1);
  _emscripten_stack_get_end = wasmExports["emscripten_stack_get_end"];
  _emscripten_stack_get_base = wasmExports["emscripten_stack_get_base"];
  _setThrew = createExportWrapper("setThrew", 2);
  _emscripten_stack_init = wasmExports["emscripten_stack_init"];
  _emscripten_stack_get_free = wasmExports["emscripten_stack_get_free"];
  __emscripten_stack_restore = wasmExports["_emscripten_stack_restore"];
  __emscripten_stack_alloc = wasmExports["_emscripten_stack_alloc"];
  _emscripten_stack_get_current = wasmExports["emscripten_stack_get_current"];
}

var wasmImports = {
  /** @export */ __assert_fail: ___assert_fail,
  /** @export */ __cxa_throw: ___cxa_throw,
  /** @export */ __syscall_connect: ___syscall_connect,
  /** @export */ __syscall_faccessat: ___syscall_faccessat,
  /** @export */ __syscall_fcntl64: ___syscall_fcntl64,
  /** @export */ __syscall_fstat64: ___syscall_fstat64,
  /** @export */ __syscall_ioctl: ___syscall_ioctl,
  /** @export */ __syscall_lstat64: ___syscall_lstat64,
  /** @export */ __syscall_newfstatat: ___syscall_newfstatat,
  /** @export */ __syscall_openat: ___syscall_openat,
  /** @export */ __syscall_renameat: ___syscall_renameat,
  /** @export */ __syscall_rmdir: ___syscall_rmdir,
  /** @export */ __syscall_sendto: ___syscall_sendto,
  /** @export */ __syscall_socket: ___syscall_socket,
  /** @export */ __syscall_stat64: ___syscall_stat64,
  /** @export */ __syscall_unlinkat: ___syscall_unlinkat,
  /** @export */ _abort_js: __abort_js,
  /** @export */ _embind_register_bigint: __embind_register_bigint,
  /** @export */ _embind_register_bool: __embind_register_bool,
  /** @export */ _embind_register_emval: __embind_register_emval,
  /** @export */ _embind_register_float: __embind_register_float,
  /** @export */ _embind_register_integer: __embind_register_integer,
  /** @export */ _embind_register_memory_view: __embind_register_memory_view,
  /** @export */ _embind_register_std_string: __embind_register_std_string,
  /** @export */ _embind_register_std_wstring: __embind_register_std_wstring,
  /** @export */ _embind_register_void: __embind_register_void,
  /** @export */ _emscripten_throw_longjmp: __emscripten_throw_longjmp,
  /** @export */ _gmtime_js: __gmtime_js,
  /** @export */ _localtime_js: __localtime_js,
  /** @export */ _mktime_js: __mktime_js,
  /** @export */ _tzset_js: __tzset_js,
  /** @export */ clock_time_get: _clock_time_get,
  /** @export */ eglBindAPI: _eglBindAPI,
  /** @export */ eglChooseConfig: _eglChooseConfig,
  /** @export */ eglCreateContext: _eglCreateContext,
  /** @export */ eglCreateWindowSurface: _eglCreateWindowSurface,
  /** @export */ eglDestroyContext: _eglDestroyContext,
  /** @export */ eglDestroySurface: _eglDestroySurface,
  /** @export */ eglGetConfigAttrib: _eglGetConfigAttrib,
  /** @export */ eglGetDisplay: _eglGetDisplay,
  /** @export */ eglGetError: _eglGetError,
  /** @export */ eglInitialize: _eglInitialize,
  /** @export */ eglMakeCurrent: _eglMakeCurrent,
  /** @export */ eglQueryString: _eglQueryString,
  /** @export */ eglSwapBuffers: _eglSwapBuffers,
  /** @export */ eglSwapInterval: _eglSwapInterval,
  /** @export */ eglTerminate: _eglTerminate,
  /** @export */ eglWaitGL: _eglWaitGL,
  /** @export */ eglWaitNative: _eglWaitNative,
  /** @export */ emscripten_asm_const_int: _emscripten_asm_const_int,
  /** @export */ emscripten_asm_const_int_sync_on_main_thread: _emscripten_asm_const_int_sync_on_main_thread,
  /** @export */ emscripten_asm_const_ptr_sync_on_main_thread: _emscripten_asm_const_ptr_sync_on_main_thread,
  /** @export */ emscripten_async_wget2_abort: _emscripten_async_wget2_abort,
  /** @export */ emscripten_async_wget2_data: _emscripten_async_wget2_data,
  /** @export */ emscripten_cancel_main_loop: _emscripten_cancel_main_loop,
  /** @export */ emscripten_date_now: _emscripten_date_now,
  /** @export */ emscripten_err: _emscripten_err,
  /** @export */ emscripten_exit_fullscreen: _emscripten_exit_fullscreen,
  /** @export */ emscripten_exit_pointerlock: _emscripten_exit_pointerlock,
  /** @export */ emscripten_force_exit: _emscripten_force_exit,
  /** @export */ emscripten_get_device_pixel_ratio: _emscripten_get_device_pixel_ratio,
  /** @export */ emscripten_get_element_css_size: _emscripten_get_element_css_size,
  /** @export */ emscripten_get_gamepad_status: _emscripten_get_gamepad_status,
  /** @export */ emscripten_get_now: _emscripten_get_now,
  /** @export */ emscripten_get_num_gamepads: _emscripten_get_num_gamepads,
  /** @export */ emscripten_get_screen_size: _emscripten_get_screen_size,
  /** @export */ emscripten_glActiveTexture: _emscripten_glActiveTexture,
  /** @export */ emscripten_glAttachShader: _emscripten_glAttachShader,
  /** @export */ emscripten_glBeginQueryEXT: _emscripten_glBeginQueryEXT,
  /** @export */ emscripten_glBindAttribLocation: _emscripten_glBindAttribLocation,
  /** @export */ emscripten_glBindBuffer: _emscripten_glBindBuffer,
  /** @export */ emscripten_glBindFramebuffer: _emscripten_glBindFramebuffer,
  /** @export */ emscripten_glBindRenderbuffer: _emscripten_glBindRenderbuffer,
  /** @export */ emscripten_glBindTexture: _emscripten_glBindTexture,
  /** @export */ emscripten_glBindVertexArrayOES: _emscripten_glBindVertexArrayOES,
  /** @export */ emscripten_glBlendColor: _emscripten_glBlendColor,
  /** @export */ emscripten_glBlendEquation: _emscripten_glBlendEquation,
  /** @export */ emscripten_glBlendEquationSeparate: _emscripten_glBlendEquationSeparate,
  /** @export */ emscripten_glBlendFunc: _emscripten_glBlendFunc,
  /** @export */ emscripten_glBlendFuncSeparate: _emscripten_glBlendFuncSeparate,
  /** @export */ emscripten_glBufferData: _emscripten_glBufferData,
  /** @export */ emscripten_glBufferSubData: _emscripten_glBufferSubData,
  /** @export */ emscripten_glCheckFramebufferStatus: _emscripten_glCheckFramebufferStatus,
  /** @export */ emscripten_glClear: _emscripten_glClear,
  /** @export */ emscripten_glClearColor: _emscripten_glClearColor,
  /** @export */ emscripten_glClearDepthf: _emscripten_glClearDepthf,
  /** @export */ emscripten_glClearStencil: _emscripten_glClearStencil,
  /** @export */ emscripten_glClipControlEXT: _emscripten_glClipControlEXT,
  /** @export */ emscripten_glColorMask: _emscripten_glColorMask,
  /** @export */ emscripten_glCompileShader: _emscripten_glCompileShader,
  /** @export */ emscripten_glCompressedTexImage2D: _emscripten_glCompressedTexImage2D,
  /** @export */ emscripten_glCompressedTexSubImage2D: _emscripten_glCompressedTexSubImage2D,
  /** @export */ emscripten_glCopyTexImage2D: _emscripten_glCopyTexImage2D,
  /** @export */ emscripten_glCopyTexSubImage2D: _emscripten_glCopyTexSubImage2D,
  /** @export */ emscripten_glCreateProgram: _emscripten_glCreateProgram,
  /** @export */ emscripten_glCreateShader: _emscripten_glCreateShader,
  /** @export */ emscripten_glCullFace: _emscripten_glCullFace,
  /** @export */ emscripten_glDeleteBuffers: _emscripten_glDeleteBuffers,
  /** @export */ emscripten_glDeleteFramebuffers: _emscripten_glDeleteFramebuffers,
  /** @export */ emscripten_glDeleteProgram: _emscripten_glDeleteProgram,
  /** @export */ emscripten_glDeleteQueriesEXT: _emscripten_glDeleteQueriesEXT,
  /** @export */ emscripten_glDeleteRenderbuffers: _emscripten_glDeleteRenderbuffers,
  /** @export */ emscripten_glDeleteShader: _emscripten_glDeleteShader,
  /** @export */ emscripten_glDeleteTextures: _emscripten_glDeleteTextures,
  /** @export */ emscripten_glDeleteVertexArraysOES: _emscripten_glDeleteVertexArraysOES,
  /** @export */ emscripten_glDepthFunc: _emscripten_glDepthFunc,
  /** @export */ emscripten_glDepthMask: _emscripten_glDepthMask,
  /** @export */ emscripten_glDepthRangef: _emscripten_glDepthRangef,
  /** @export */ emscripten_glDetachShader: _emscripten_glDetachShader,
  /** @export */ emscripten_glDisable: _emscripten_glDisable,
  /** @export */ emscripten_glDisableVertexAttribArray: _emscripten_glDisableVertexAttribArray,
  /** @export */ emscripten_glDrawArrays: _emscripten_glDrawArrays,
  /** @export */ emscripten_glDrawArraysInstancedANGLE: _emscripten_glDrawArraysInstancedANGLE,
  /** @export */ emscripten_glDrawBuffersWEBGL: _emscripten_glDrawBuffersWEBGL,
  /** @export */ emscripten_glDrawElements: _emscripten_glDrawElements,
  /** @export */ emscripten_glDrawElementsInstancedANGLE: _emscripten_glDrawElementsInstancedANGLE,
  /** @export */ emscripten_glEnable: _emscripten_glEnable,
  /** @export */ emscripten_glEnableVertexAttribArray: _emscripten_glEnableVertexAttribArray,
  /** @export */ emscripten_glEndQueryEXT: _emscripten_glEndQueryEXT,
  /** @export */ emscripten_glFinish: _emscripten_glFinish,
  /** @export */ emscripten_glFlush: _emscripten_glFlush,
  /** @export */ emscripten_glFramebufferRenderbuffer: _emscripten_glFramebufferRenderbuffer,
  /** @export */ emscripten_glFramebufferTexture2D: _emscripten_glFramebufferTexture2D,
  /** @export */ emscripten_glFrontFace: _emscripten_glFrontFace,
  /** @export */ emscripten_glGenBuffers: _emscripten_glGenBuffers,
  /** @export */ emscripten_glGenFramebuffers: _emscripten_glGenFramebuffers,
  /** @export */ emscripten_glGenQueriesEXT: _emscripten_glGenQueriesEXT,
  /** @export */ emscripten_glGenRenderbuffers: _emscripten_glGenRenderbuffers,
  /** @export */ emscripten_glGenTextures: _emscripten_glGenTextures,
  /** @export */ emscripten_glGenVertexArraysOES: _emscripten_glGenVertexArraysOES,
  /** @export */ emscripten_glGenerateMipmap: _emscripten_glGenerateMipmap,
  /** @export */ emscripten_glGetActiveAttrib: _emscripten_glGetActiveAttrib,
  /** @export */ emscripten_glGetActiveUniform: _emscripten_glGetActiveUniform,
  /** @export */ emscripten_glGetAttachedShaders: _emscripten_glGetAttachedShaders,
  /** @export */ emscripten_glGetAttribLocation: _emscripten_glGetAttribLocation,
  /** @export */ emscripten_glGetBooleanv: _emscripten_glGetBooleanv,
  /** @export */ emscripten_glGetBufferParameteriv: _emscripten_glGetBufferParameteriv,
  /** @export */ emscripten_glGetError: _emscripten_glGetError,
  /** @export */ emscripten_glGetFloatv: _emscripten_glGetFloatv,
  /** @export */ emscripten_glGetFramebufferAttachmentParameteriv: _emscripten_glGetFramebufferAttachmentParameteriv,
  /** @export */ emscripten_glGetIntegerv: _emscripten_glGetIntegerv,
  /** @export */ emscripten_glGetProgramInfoLog: _emscripten_glGetProgramInfoLog,
  /** @export */ emscripten_glGetProgramiv: _emscripten_glGetProgramiv,
  /** @export */ emscripten_glGetQueryObjecti64vEXT: _emscripten_glGetQueryObjecti64vEXT,
  /** @export */ emscripten_glGetQueryObjectivEXT: _emscripten_glGetQueryObjectivEXT,
  /** @export */ emscripten_glGetQueryObjectui64vEXT: _emscripten_glGetQueryObjectui64vEXT,
  /** @export */ emscripten_glGetQueryObjectuivEXT: _emscripten_glGetQueryObjectuivEXT,
  /** @export */ emscripten_glGetQueryivEXT: _emscripten_glGetQueryivEXT,
  /** @export */ emscripten_glGetRenderbufferParameteriv: _emscripten_glGetRenderbufferParameteriv,
  /** @export */ emscripten_glGetShaderInfoLog: _emscripten_glGetShaderInfoLog,
  /** @export */ emscripten_glGetShaderPrecisionFormat: _emscripten_glGetShaderPrecisionFormat,
  /** @export */ emscripten_glGetShaderSource: _emscripten_glGetShaderSource,
  /** @export */ emscripten_glGetShaderiv: _emscripten_glGetShaderiv,
  /** @export */ emscripten_glGetString: _emscripten_glGetString,
  /** @export */ emscripten_glGetTexParameterfv: _emscripten_glGetTexParameterfv,
  /** @export */ emscripten_glGetTexParameteriv: _emscripten_glGetTexParameteriv,
  /** @export */ emscripten_glGetUniformLocation: _emscripten_glGetUniformLocation,
  /** @export */ emscripten_glGetUniformfv: _emscripten_glGetUniformfv,
  /** @export */ emscripten_glGetUniformiv: _emscripten_glGetUniformiv,
  /** @export */ emscripten_glGetVertexAttribPointerv: _emscripten_glGetVertexAttribPointerv,
  /** @export */ emscripten_glGetVertexAttribfv: _emscripten_glGetVertexAttribfv,
  /** @export */ emscripten_glGetVertexAttribiv: _emscripten_glGetVertexAttribiv,
  /** @export */ emscripten_glHint: _emscripten_glHint,
  /** @export */ emscripten_glIsBuffer: _emscripten_glIsBuffer,
  /** @export */ emscripten_glIsEnabled: _emscripten_glIsEnabled,
  /** @export */ emscripten_glIsFramebuffer: _emscripten_glIsFramebuffer,
  /** @export */ emscripten_glIsProgram: _emscripten_glIsProgram,
  /** @export */ emscripten_glIsQueryEXT: _emscripten_glIsQueryEXT,
  /** @export */ emscripten_glIsRenderbuffer: _emscripten_glIsRenderbuffer,
  /** @export */ emscripten_glIsShader: _emscripten_glIsShader,
  /** @export */ emscripten_glIsTexture: _emscripten_glIsTexture,
  /** @export */ emscripten_glIsVertexArrayOES: _emscripten_glIsVertexArrayOES,
  /** @export */ emscripten_glLineWidth: _emscripten_glLineWidth,
  /** @export */ emscripten_glLinkProgram: _emscripten_glLinkProgram,
  /** @export */ emscripten_glPixelStorei: _emscripten_glPixelStorei,
  /** @export */ emscripten_glPolygonModeWEBGL: _emscripten_glPolygonModeWEBGL,
  /** @export */ emscripten_glPolygonOffset: _emscripten_glPolygonOffset,
  /** @export */ emscripten_glPolygonOffsetClampEXT: _emscripten_glPolygonOffsetClampEXT,
  /** @export */ emscripten_glQueryCounterEXT: _emscripten_glQueryCounterEXT,
  /** @export */ emscripten_glReadPixels: _emscripten_glReadPixels,
  /** @export */ emscripten_glReleaseShaderCompiler: _emscripten_glReleaseShaderCompiler,
  /** @export */ emscripten_glRenderbufferStorage: _emscripten_glRenderbufferStorage,
  /** @export */ emscripten_glSampleCoverage: _emscripten_glSampleCoverage,
  /** @export */ emscripten_glScissor: _emscripten_glScissor,
  /** @export */ emscripten_glShaderBinary: _emscripten_glShaderBinary,
  /** @export */ emscripten_glShaderSource: _emscripten_glShaderSource,
  /** @export */ emscripten_glStencilFunc: _emscripten_glStencilFunc,
  /** @export */ emscripten_glStencilFuncSeparate: _emscripten_glStencilFuncSeparate,
  /** @export */ emscripten_glStencilMask: _emscripten_glStencilMask,
  /** @export */ emscripten_glStencilMaskSeparate: _emscripten_glStencilMaskSeparate,
  /** @export */ emscripten_glStencilOp: _emscripten_glStencilOp,
  /** @export */ emscripten_glStencilOpSeparate: _emscripten_glStencilOpSeparate,
  /** @export */ emscripten_glTexImage2D: _emscripten_glTexImage2D,
  /** @export */ emscripten_glTexParameterf: _emscripten_glTexParameterf,
  /** @export */ emscripten_glTexParameterfv: _emscripten_glTexParameterfv,
  /** @export */ emscripten_glTexParameteri: _emscripten_glTexParameteri,
  /** @export */ emscripten_glTexParameteriv: _emscripten_glTexParameteriv,
  /** @export */ emscripten_glTexSubImage2D: _emscripten_glTexSubImage2D,
  /** @export */ emscripten_glUniform1f: _emscripten_glUniform1f,
  /** @export */ emscripten_glUniform1fv: _emscripten_glUniform1fv,
  /** @export */ emscripten_glUniform1i: _emscripten_glUniform1i,
  /** @export */ emscripten_glUniform1iv: _emscripten_glUniform1iv,
  /** @export */ emscripten_glUniform2f: _emscripten_glUniform2f,
  /** @export */ emscripten_glUniform2fv: _emscripten_glUniform2fv,
  /** @export */ emscripten_glUniform2i: _emscripten_glUniform2i,
  /** @export */ emscripten_glUniform2iv: _emscripten_glUniform2iv,
  /** @export */ emscripten_glUniform3f: _emscripten_glUniform3f,
  /** @export */ emscripten_glUniform3fv: _emscripten_glUniform3fv,
  /** @export */ emscripten_glUniform3i: _emscripten_glUniform3i,
  /** @export */ emscripten_glUniform3iv: _emscripten_glUniform3iv,
  /** @export */ emscripten_glUniform4f: _emscripten_glUniform4f,
  /** @export */ emscripten_glUniform4fv: _emscripten_glUniform4fv,
  /** @export */ emscripten_glUniform4i: _emscripten_glUniform4i,
  /** @export */ emscripten_glUniform4iv: _emscripten_glUniform4iv,
  /** @export */ emscripten_glUniformMatrix2fv: _emscripten_glUniformMatrix2fv,
  /** @export */ emscripten_glUniformMatrix3fv: _emscripten_glUniformMatrix3fv,
  /** @export */ emscripten_glUniformMatrix4fv: _emscripten_glUniformMatrix4fv,
  /** @export */ emscripten_glUseProgram: _emscripten_glUseProgram,
  /** @export */ emscripten_glValidateProgram: _emscripten_glValidateProgram,
  /** @export */ emscripten_glVertexAttrib1f: _emscripten_glVertexAttrib1f,
  /** @export */ emscripten_glVertexAttrib1fv: _emscripten_glVertexAttrib1fv,
  /** @export */ emscripten_glVertexAttrib2f: _emscripten_glVertexAttrib2f,
  /** @export */ emscripten_glVertexAttrib2fv: _emscripten_glVertexAttrib2fv,
  /** @export */ emscripten_glVertexAttrib3f: _emscripten_glVertexAttrib3f,
  /** @export */ emscripten_glVertexAttrib3fv: _emscripten_glVertexAttrib3fv,
  /** @export */ emscripten_glVertexAttrib4f: _emscripten_glVertexAttrib4f,
  /** @export */ emscripten_glVertexAttrib4fv: _emscripten_glVertexAttrib4fv,
  /** @export */ emscripten_glVertexAttribDivisorANGLE: _emscripten_glVertexAttribDivisorANGLE,
  /** @export */ emscripten_glVertexAttribPointer: _emscripten_glVertexAttribPointer,
  /** @export */ emscripten_glViewport: _emscripten_glViewport,
  /** @export */ emscripten_has_asyncify: _emscripten_has_asyncify,
  /** @export */ emscripten_request_fullscreen_strategy: _emscripten_request_fullscreen_strategy,
  /** @export */ emscripten_request_pointerlock: _emscripten_request_pointerlock,
  /** @export */ emscripten_resize_heap: _emscripten_resize_heap,
  /** @export */ emscripten_sample_gamepad_data: _emscripten_sample_gamepad_data,
  /** @export */ emscripten_set_beforeunload_callback_on_thread: _emscripten_set_beforeunload_callback_on_thread,
  /** @export */ emscripten_set_blur_callback_on_thread: _emscripten_set_blur_callback_on_thread,
  /** @export */ emscripten_set_canvas_element_size: _emscripten_set_canvas_element_size,
  /** @export */ emscripten_set_element_css_size: _emscripten_set_element_css_size,
  /** @export */ emscripten_set_focus_callback_on_thread: _emscripten_set_focus_callback_on_thread,
  /** @export */ emscripten_set_fullscreenchange_callback_on_thread: _emscripten_set_fullscreenchange_callback_on_thread,
  /** @export */ emscripten_set_gamepadconnected_callback_on_thread: _emscripten_set_gamepadconnected_callback_on_thread,
  /** @export */ emscripten_set_gamepaddisconnected_callback_on_thread: _emscripten_set_gamepaddisconnected_callback_on_thread,
  /** @export */ emscripten_set_keydown_callback_on_thread: _emscripten_set_keydown_callback_on_thread,
  /** @export */ emscripten_set_keypress_callback_on_thread: _emscripten_set_keypress_callback_on_thread,
  /** @export */ emscripten_set_keyup_callback_on_thread: _emscripten_set_keyup_callback_on_thread,
  /** @export */ emscripten_set_main_loop_arg: _emscripten_set_main_loop_arg,
  /** @export */ emscripten_set_mousedown_callback_on_thread: _emscripten_set_mousedown_callback_on_thread,
  /** @export */ emscripten_set_mouseenter_callback_on_thread: _emscripten_set_mouseenter_callback_on_thread,
  /** @export */ emscripten_set_mouseleave_callback_on_thread: _emscripten_set_mouseleave_callback_on_thread,
  /** @export */ emscripten_set_mousemove_callback_on_thread: _emscripten_set_mousemove_callback_on_thread,
  /** @export */ emscripten_set_mouseup_callback_on_thread: _emscripten_set_mouseup_callback_on_thread,
  /** @export */ emscripten_set_pointerlockchange_callback_on_thread: _emscripten_set_pointerlockchange_callback_on_thread,
  /** @export */ emscripten_set_resize_callback_on_thread: _emscripten_set_resize_callback_on_thread,
  /** @export */ emscripten_set_touchcancel_callback_on_thread: _emscripten_set_touchcancel_callback_on_thread,
  /** @export */ emscripten_set_touchend_callback_on_thread: _emscripten_set_touchend_callback_on_thread,
  /** @export */ emscripten_set_touchmove_callback_on_thread: _emscripten_set_touchmove_callback_on_thread,
  /** @export */ emscripten_set_touchstart_callback_on_thread: _emscripten_set_touchstart_callback_on_thread,
  /** @export */ emscripten_set_visibilitychange_callback_on_thread: _emscripten_set_visibilitychange_callback_on_thread,
  /** @export */ emscripten_set_wheel_callback_on_thread: _emscripten_set_wheel_callback_on_thread,
  /** @export */ emscripten_set_window_title: _emscripten_set_window_title,
  /** @export */ emscripten_sleep: _emscripten_sleep,
  /** @export */ environ_get: _environ_get,
  /** @export */ environ_sizes_get: _environ_sizes_get,
  /** @export */ exit: _exit,
  /** @export */ fd_close: _fd_close,
  /** @export */ fd_fdstat_get: _fd_fdstat_get,
  /** @export */ fd_read: _fd_read,
  /** @export */ fd_seek: _fd_seek,
  /** @export */ fd_write: _fd_write,
  /** @export */ getaddrinfo: _getaddrinfo,
  /** @export */ glActiveTexture: _glActiveTexture,
  /** @export */ glAttachShader: _glAttachShader,
  /** @export */ glBindBuffer: _glBindBuffer,
  /** @export */ glBindTexture: _glBindTexture,
  /** @export */ glBufferData: _glBufferData,
  /** @export */ glClear: _glClear,
  /** @export */ glClearColor: _glClearColor,
  /** @export */ glCompileShader: _glCompileShader,
  /** @export */ glCreateProgram: _glCreateProgram,
  /** @export */ glCreateShader: _glCreateShader,
  /** @export */ glDeleteBuffers: _glDeleteBuffers,
  /** @export */ glDeleteProgram: _glDeleteProgram,
  /** @export */ glDeleteTextures: _glDeleteTextures,
  /** @export */ glDrawArrays: _glDrawArrays,
  /** @export */ glEnableVertexAttribArray: _glEnableVertexAttribArray,
  /** @export */ glGenBuffers: _glGenBuffers,
  /** @export */ glGenTextures: _glGenTextures,
  /** @export */ glGetAttribLocation: _glGetAttribLocation,
  /** @export */ glGetError: _glGetError,
  /** @export */ glGetProgramInfoLog: _glGetProgramInfoLog,
  /** @export */ glGetProgramiv: _glGetProgramiv,
  /** @export */ glGetShaderInfoLog: _glGetShaderInfoLog,
  /** @export */ glGetShaderiv: _glGetShaderiv,
  /** @export */ glGetUniformLocation: _glGetUniformLocation,
  /** @export */ glLinkProgram: _glLinkProgram,
  /** @export */ glPixelStorei: _glPixelStorei,
  /** @export */ glShaderSource: _glShaderSource,
  /** @export */ glTexImage2D: _glTexImage2D,
  /** @export */ glTexParameteri: _glTexParameteri,
  /** @export */ glUniform1f: _glUniform1f,
  /** @export */ glUniform1i: _glUniform1i,
  /** @export */ glUniform2fv: _glUniform2fv,
  /** @export */ glUseProgram: _glUseProgram,
  /** @export */ glVertexAttribPointer: _glVertexAttribPointer,
  /** @export */ glViewport: _glViewport,
  /** @export */ invoke_i,
  /** @export */ invoke_ii,
  /** @export */ invoke_iii,
  /** @export */ invoke_iiii,
  /** @export */ invoke_iiiii,
  /** @export */ invoke_v,
  /** @export */ invoke_vi,
  /** @export */ invoke_vii,
  /** @export */ invoke_viii,
  /** @export */ invoke_viiiiii
};

var wasmExports = await createWasm();

function invoke_ii(index, a1) {
  var sp = stackSave();
  try {
    return getWasmTableEntry(index)(a1);
  } catch (e) {
    stackRestore(sp);
    if (e !== e + 0) throw e;
    _setThrew(1, 0);
  }
}

function invoke_iii(index, a1, a2) {
  var sp = stackSave();
  try {
    return getWasmTableEntry(index)(a1, a2);
  } catch (e) {
    stackRestore(sp);
    if (e !== e + 0) throw e;
    _setThrew(1, 0);
  }
}

function invoke_i(index) {
  var sp = stackSave();
  try {
    return getWasmTableEntry(index)();
  } catch (e) {
    stackRestore(sp);
    if (e !== e + 0) throw e;
    _setThrew(1, 0);
  }
}

function invoke_iiii(index, a1, a2, a3) {
  var sp = stackSave();
  try {
    return getWasmTableEntry(index)(a1, a2, a3);
  } catch (e) {
    stackRestore(sp);
    if (e !== e + 0) throw e;
    _setThrew(1, 0);
  }
}

function invoke_vi(index, a1) {
  var sp = stackSave();
  try {
    getWasmTableEntry(index)(a1);
  } catch (e) {
    stackRestore(sp);
    if (e !== e + 0) throw e;
    _setThrew(1, 0);
  }
}

function invoke_vii(index, a1, a2) {
  var sp = stackSave();
  try {
    getWasmTableEntry(index)(a1, a2);
  } catch (e) {
    stackRestore(sp);
    if (e !== e + 0) throw e;
    _setThrew(1, 0);
  }
}

function invoke_v(index) {
  var sp = stackSave();
  try {
    getWasmTableEntry(index)();
  } catch (e) {
    stackRestore(sp);
    if (e !== e + 0) throw e;
    _setThrew(1, 0);
  }
}

function invoke_viiiiii(index, a1, a2, a3, a4, a5, a6) {
  var sp = stackSave();
  try {
    getWasmTableEntry(index)(a1, a2, a3, a4, a5, a6);
  } catch (e) {
    stackRestore(sp);
    if (e !== e + 0) throw e;
    _setThrew(1, 0);
  }
}

function invoke_viii(index, a1, a2, a3) {
  var sp = stackSave();
  try {
    getWasmTableEntry(index)(a1, a2, a3);
  } catch (e) {
    stackRestore(sp);
    if (e !== e + 0) throw e;
    _setThrew(1, 0);
  }
}

function invoke_iiiii(index, a1, a2, a3, a4) {
  var sp = stackSave();
  try {
    return getWasmTableEntry(index)(a1, a2, a3, a4);
  } catch (e) {
    stackRestore(sp);
    if (e !== e + 0) throw e;
    _setThrew(1, 0);
  }
}

// Argument name here must shadow the `wasmExports` global so
// that it is recognised by metadce and minify-import-export-names
// passes.
function applySignatureConversions(wasmExports) {
  // First, make a copy of the incoming exports object
  wasmExports = Object.assign({}, wasmExports);
  var makeWrapper_pp = f => a0 => f(a0) >>> 0;
  var makeWrapper_p_ = f => a0 => f(a0) >>> 0;
  var makeWrapper_p = f => () => f() >>> 0;
  wasmExports["__getTypeName"] = makeWrapper_pp(wasmExports["__getTypeName"]);
  wasmExports["malloc"] = makeWrapper_pp(wasmExports["malloc"]);
  wasmExports["strerror"] = makeWrapper_p_(wasmExports["strerror"]);
  wasmExports["emscripten_stack_get_end"] = makeWrapper_p(wasmExports["emscripten_stack_get_end"]);
  wasmExports["emscripten_stack_get_base"] = makeWrapper_p(wasmExports["emscripten_stack_get_base"]);
  wasmExports["_emscripten_stack_alloc"] = makeWrapper_pp(wasmExports["_emscripten_stack_alloc"]);
  wasmExports["emscripten_stack_get_current"] = makeWrapper_p(wasmExports["emscripten_stack_get_current"]);
  return wasmExports;
}

// include: postamble.js
// === Auto-generated postamble setup entry stuff ===
var calledRun;

function callMain(args = []) {
  assert(runDependencies == 0, 'cannot call main when async dependencies remain! (listen on Module["onRuntimeInitialized"])');
  assert(typeof onPreRuns === "undefined" || onPreRuns.length == 0, "cannot call main when preRun functions remain to be called");
  var entryFunction = _main;
  args.unshift(thisProgram);
  var argc = args.length;
  var argv = stackAlloc((argc + 1) * 4);
  var argv_ptr = argv;
  args.forEach(arg => {
    HEAPU32[((argv_ptr) >>> 2) >>> 0] = stringToUTF8OnStack(arg);
    argv_ptr += 4;
  });
  HEAPU32[((argv_ptr) >>> 2) >>> 0] = 0;
  try {
    var ret = entryFunction(argc, argv);
    // if we're not running an evented main loop, it's time to exit
    exitJS(ret, /* implicit = */ true);
    return ret;
  } catch (e) {
    return handleException(e);
  }
}

function stackCheckInit() {
  // This is normally called automatically during __wasm_call_ctors but need to
  // get these values before even running any of the ctors so we call it redundantly
  // here.
  _emscripten_stack_init();
  // TODO(sbc): Move writeStackCookie to native to to avoid this.
  writeStackCookie();
}

function run(args = arguments_) {
  if (runDependencies > 0) {
    dependenciesFulfilled = run;
    return;
  }
  stackCheckInit();
  preRun();
  // a preRun added a dependency, run will be called later
  if (runDependencies > 0) {
    dependenciesFulfilled = run;
    return;
  }
  function doRun() {
    // run may have just been called through dependencies being fulfilled just in this very frame,
    // or while the async setStatus time below was happening
    assert(!calledRun);
    calledRun = true;
    Module["calledRun"] = true;
    if (ABORT) return;
    initRuntime();
    preMain();
    readyPromiseResolve?.(Module);
    Module["onRuntimeInitialized"]?.();
    consumedModuleProp("onRuntimeInitialized");
    var noInitialRun = Module["noInitialRun"] || false;
    if (!noInitialRun) callMain(args);
    postRun();
  }
  if (Module["setStatus"]) {
    Module["setStatus"]("Running...");
    setTimeout(() => {
      setTimeout(() => Module["setStatus"](""), 1);
      doRun();
    }, 1);
  } else {
    doRun();
  }
  checkStackCookie();
}

function checkUnflushedContent() {
  // Compiler settings do not allow exiting the runtime, so flushing
  // the streams is not possible. but in ASSERTIONS mode we check
  // if there was something to flush, and if so tell the user they
  // should request that the runtime be exitable.
  // Normally we would not even include flush() at all, but in ASSERTIONS
  // builds we do so just for this check, and here we see if there is any
  // content to flush, that is, we check if there would have been
  // something a non-ASSERTIONS build would have not seen.
  // How we flush the streams depends on whether we are in SYSCALLS_REQUIRE_FILESYSTEM=0
  // mode (which has its own special function for this; otherwise, all
  // the code is inside libc)
  var oldOut = out;
  var oldErr = err;
  var has = false;
  out = err = x => {
    has = true;
  };
  try {
    // it doesn't matter if it fails
    _fflush(0);
    // also flush in the JS FS layer
    [ "stdout", "stderr" ].forEach(name => {
      var info = FS.analyzePath("/dev/" + name);
      if (!info) return;
      var stream = info.object;
      var rdev = stream.rdev;
      var tty = TTY.ttys[rdev];
      if (tty?.output?.length) {
        has = true;
      }
    });
  } catch (e) {}
  out = oldOut;
  err = oldErr;
  if (has) {
    warnOnce("stdio streams had content in them that was not flushed. you should set EXIT_RUNTIME to 1 (see the Emscripten FAQ), or make sure to emit a newline when you printf etc.");
  }
}

function preInit() {
  if (Module["preInit"]) {
    if (typeof Module["preInit"] == "function") Module["preInit"] = [ Module["preInit"] ];
    while (Module["preInit"].length > 0) {
      Module["preInit"].shift()();
    }
  }
  consumedModuleProp("preInit");
}

preInit();

run();

// end include: postamble.js
// include: postamble_modularize.js
// In MODULARIZE mode we wrap the generated code in a factory function
// and return either the Module itself, or a promise of the module.
// We assign to the `moduleRtn` global here and configure closure to see
// this as and extern so it won't get minified.
if (runtimeInitialized) {
  moduleRtn = Module;
} else {
  // Set up the promise that indicates the Module is initialized
  moduleRtn = new Promise((resolve, reject) => {
    readyPromiseResolve = resolve;
    readyPromiseReject = reject;
  });
}

// Assertion for attempting to access module properties on the incoming
// moduleArg.  In the past we used this object as the prototype of the module
// and assigned properties to it, but now we return a distinct object.  This
// keeps the instance private until it is ready (i.e the promise has been
// resolved).
for (const prop of Object.keys(Module)) {
  if (!(prop in moduleArg)) {
    Object.defineProperty(moduleArg, prop, {
      configurable: true,
      get() {
        abort(`Access to module property ('${prop}') is no longer possible via the module constructor argument; Instead, use the result of the module constructor.`);
      }
    });
  }
}


  return moduleRtn;
}

// Export using a UMD style export, or ES6 exports if selected
export default createDicomViewerModule;