diff --git a/build-wasm/index.data b/build-wasm/index.data
new file mode 100644
index 0000000..5b058ac
Binary files /dev/null and b/build-wasm/index.data differ
diff --git a/build-wasm/index.html b/build-wasm/index.html
new file mode 100644
index 0000000..3efe0a3
--- /dev/null
+++ b/build-wasm/index.html
@@ -0,0 +1,201 @@
+
+
+
+
+
+ Emscripten-Generated Code
+
+
+
+ 
+
+
+ Downloading...
+
+
+ Resize canvas
+ Lock/hide mouse pointer
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/build-wasm/index.js b/build-wasm/index.js
new file mode 100644
index 0000000..8e14145
--- /dev/null
+++ b/build-wasm/index.js
@@ -0,0 +1,10317 @@
+// 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
+// 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 = typeof Module != 'undefined' ? Module : {};
+
+// Determine the runtime environment we are in. You can customize this by
+// setting the ENVIRONMENT setting at compile time (see settings.js).
+
+// Attempt to auto-detect the environment
+var ENVIRONMENT_IS_WEB = typeof window == 'object';
+var ENVIRONMENT_IS_WORKER = typeof importScripts == 'function';
+// N.b. Electron.js environment is simultaneously a NODE-environment, but
+// also a web environment.
+var ENVIRONMENT_IS_NODE = typeof process == 'object' && typeof process.versions == 'object' && typeof process.versions.node == 'string';
+var ENVIRONMENT_IS_SHELL = !ENVIRONMENT_IS_WEB && !ENVIRONMENT_IS_NODE && !ENVIRONMENT_IS_WORKER;
+
+if (Module['ENVIRONMENT']) {
+ throw new Error('Module.ENVIRONMENT has been deprecated. To force the environment, use the ENVIRONMENT compile-time option (for example, -sENVIRONMENT=web or -sENVIRONMENT=node)');
+}
+
+if (ENVIRONMENT_IS_NODE) {
+ // `require()` is no-op in an ESM module, use `createRequire()` to construct
+ // the require()` function. This is only necessary for multi-environment
+ // builds, `-sENVIRONMENT=node` emits a static import declaration instead.
+ // TODO: Swap all `require()`'s with `import()`'s?
+
+}
+
+// --pre-jses are emitted after the Module integration code, so that they can
+// refer to Module (if they choose; they can also define Module)
+// include: C:\Users\SE64D~1.KOU\AppData\Local\Temp\tmprvjrxwbe.js
+
+ if (!Module.expectedDataFileDownloads) {
+ Module.expectedDataFileDownloads = 0;
+ }
+
+ Module.expectedDataFileDownloads++;
+ (() => {
+ // Do not attempt to redownload the virtual filesystem data when in a pthread or a Wasm Worker context.
+ var isPthread = typeof ENVIRONMENT_IS_PTHREAD != 'undefined' && ENVIRONMENT_IS_PTHREAD;
+ var isWasmWorker = typeof ENVIRONMENT_IS_WASM_WORKER != 'undefined' && ENVIRONMENT_IS_WASM_WORKER;
+ if (isPthread || isWasmWorker) return;
+ function loadPackage(metadata) {
+
+ var PACKAGE_PATH = '';
+ if (typeof window === 'object') {
+ PACKAGE_PATH = window['encodeURIComponent'](window.location.pathname.toString().substring(0, window.location.pathname.toString().lastIndexOf('/')) + '/');
+ } else if (typeof process === 'undefined' && typeof location !== 'undefined') {
+ // web worker
+ PACKAGE_PATH = encodeURIComponent(location.pathname.toString().substring(0, location.pathname.toString().lastIndexOf('/')) + '/');
+ }
+ var PACKAGE_NAME = 'index.data';
+ var REMOTE_PACKAGE_BASE = 'index.data';
+ if (typeof Module['locateFilePackage'] === 'function' && !Module['locateFile']) {
+ Module['locateFile'] = Module['locateFilePackage'];
+ err('warning: you defined Module.locateFilePackage, that has been renamed to Module.locateFile (using your locateFilePackage for now)');
+ }
+ var REMOTE_PACKAGE_NAME = Module['locateFile'] ? Module['locateFile'](REMOTE_PACKAGE_BASE, '') : REMOTE_PACKAGE_BASE;
+var REMOTE_PACKAGE_SIZE = metadata['remote_package_size'];
+
+ function fetchRemotePackage(packageName, packageSize, callback, errback) {
+ if (typeof process === 'object' && typeof process.versions === 'object' && typeof process.versions.node === 'string') {
+ require('fs').readFile(packageName, function(err, contents) {
+ if (err) {
+ errback(err);
+ } else {
+ callback(contents.buffer);
+ }
+ });
+ return;
+ }
+ var xhr = new XMLHttpRequest();
+ xhr.open('GET', packageName, true);
+ xhr.responseType = 'arraybuffer';
+ xhr.onprogress = function(event) {
+ var url = packageName;
+ var size = packageSize;
+ if (event.total) size = event.total;
+ if (event.loaded) {
+ if (!xhr.addedTotal) {
+ xhr.addedTotal = true;
+ if (!Module.dataFileDownloads) Module.dataFileDownloads = {};
+ Module.dataFileDownloads[url] = {
+ loaded: event.loaded,
+ total: size
+ };
+ } else {
+ Module.dataFileDownloads[url].loaded = event.loaded;
+ }
+ var total = 0;
+ var loaded = 0;
+ var num = 0;
+ for (var download in Module.dataFileDownloads) {
+ var data = Module.dataFileDownloads[download];
+ total += data.total;
+ loaded += data.loaded;
+ num++;
+ }
+ total = Math.ceil(total * Module.expectedDataFileDownloads/num);
+ Module['setStatus']?.(`Downloading data... (${loaded}/${total})`);
+ } else if (!Module.dataFileDownloads) {
+ Module['setStatus']?.('Downloading data...');
+ }
+ };
+ xhr.onerror = function(event) {
+ throw new Error("NetworkError for: " + packageName);
+ }
+ xhr.onload = function(event) {
+ if (xhr.status == 200 || xhr.status == 304 || xhr.status == 206 || (xhr.status == 0 && xhr.response)) { // file URLs can return 0
+ var packageData = xhr.response;
+ callback(packageData);
+ } else {
+ throw new Error(xhr.statusText + " : " + xhr.responseURL);
+ }
+ };
+ xhr.send(null);
+ };
+
+ function handleError(error) {
+ console.error('package error:', error);
+ };
+
+ var fetchedCallback = null;
+ var fetched = Module['getPreloadedPackage'] ? Module['getPreloadedPackage'](REMOTE_PACKAGE_NAME, REMOTE_PACKAGE_SIZE) : null;
+
+ if (!fetched) fetchRemotePackage(REMOTE_PACKAGE_NAME, REMOTE_PACKAGE_SIZE, function(data) {
+ if (fetchedCallback) {
+ fetchedCallback(data);
+ fetchedCallback = null;
+ } else {
+ fetched = data;
+ }
+ }, handleError);
+
+ function runWithFS(Module) {
+
+ function assert(check, msg) {
+ if (!check) throw msg + new Error().stack;
+ }
+Module['FS_createPath']("/", "images", true, true);
+
+ /** @constructor */
+ function DataRequest(start, end, audio) {
+ this.start = start;
+ this.end = end;
+ this.audio = audio;
+ }
+ DataRequest.prototype = {
+ requests: {},
+ open: function(mode, name) {
+ this.name = name;
+ this.requests[name] = this;
+ Module['addRunDependency'](`fp ${this.name}`);
+ },
+ send: function() {},
+ onload: function() {
+ var byteArray = this.byteArray.subarray(this.start, this.end);
+ this.finish(byteArray);
+ },
+ finish: function(byteArray) {
+ var that = this;
+ // canOwn this data in the filesystem, it is a slide into the heap that will never change
+ Module['FS_createDataFile'](this.name, null, byteArray, true, true, true);
+ Module['removeRunDependency'](`fp ${that.name}`);
+ this.requests[this.name] = null;
+ }
+ };
+
+ var files = metadata['files'];
+ for (var i = 0; i < files.length; ++i) {
+ new DataRequest(files[i]['start'], files[i]['end'], files[i]['audio'] || 0).open('GET', files[i]['filename']);
+ }
+
+ function processPackageData(arrayBuffer) {
+ assert(arrayBuffer, 'Loading data file failed.');
+ assert(arrayBuffer.constructor.name === ArrayBuffer.name, 'bad input to processPackageData');
+ var byteArray = new Uint8Array(arrayBuffer);
+ var curr;
+ // Reuse the bytearray from the XHR as the source for file reads.
+ DataRequest.prototype.byteArray = byteArray;
+ var files = metadata['files'];
+ for (var i = 0; i < files.length; ++i) {
+ DataRequest.prototype.requests[files[i].filename].onload();
+ } Module['removeRunDependency']('datafile_index.data');
+
+ };
+ Module['addRunDependency']('datafile_index.data');
+
+ if (!Module.preloadResults) Module.preloadResults = {};
+
+ Module.preloadResults[PACKAGE_NAME] = {fromCache: false};
+ if (fetched) {
+ processPackageData(fetched);
+ fetched = null;
+ } else {
+ fetchedCallback = processPackageData;
+ }
+
+ }
+ if (Module['calledRun']) {
+ runWithFS(Module);
+ } else {
+ if (!Module['preRun']) Module['preRun'] = [];
+ Module["preRun"].push(runWithFS); // FS is not initialized yet, wait for it
+ }
+
+ }
+ loadPackage({"files": [{"filename": "/images/black-bishop.png", "start": 0, "end": 1929}, {"filename": "/images/black-king.png", "start": 1929, "end": 5565}, {"filename": "/images/black-knight.png", "start": 5565, "end": 7977}, {"filename": "/images/black-pawn.png", "start": 7977, "end": 9259}, {"filename": "/images/black-queen.png", "start": 9259, "end": 12521}, {"filename": "/images/black-rook.png", "start": 12521, "end": 13647}, {"filename": "/images/white-bishop.png", "start": 13647, "end": 16374}, {"filename": "/images/white-king.png", "start": 16374, "end": 19561}, {"filename": "/images/white-knight.png", "start": 19561, "end": 22402}, {"filename": "/images/white-pawn.png", "start": 22402, "end": 24306}, {"filename": "/images/white-queen.png", "start": 24306, "end": 28639}, {"filename": "/images/white-rook.png", "start": 28639, "end": 29960}], "remote_package_size": 29960});
+
+ })();
+
+// end include: C:\Users\SE64D~1.KOU\AppData\Local\Temp\tmprvjrxwbe.js
+// include: C:\Users\SE64D~1.KOU\AppData\Local\Temp\tmpi5cq9ooh.js
+
+ // All the pre-js content up to here must remain later on, we need to run
+ // it.
+ if (Module['$ww'] || (typeof ENVIRONMENT_IS_PTHREAD != 'undefined' && ENVIRONMENT_IS_PTHREAD)) Module['preRun'] = [];
+ var necessaryPreJSTasks = Module['preRun'].slice();
+ // end include: C:\Users\SE64D~1.KOU\AppData\Local\Temp\tmpi5cq9ooh.js
+// include: C:\Users\SE64D~1.KOU\AppData\Local\Temp\tmp41ewwyod.js
+
+ if (!Module['preRun']) throw 'Module.preRun should exist because file support used it; did a pre-js delete it?';
+ necessaryPreJSTasks.forEach((task) => {
+ if (Module['preRun'].indexOf(task) < 0) throw 'All preRun tasks that exist before user pre-js code should remain after; did you replace Module or modify Module.preRun?';
+ });
+ // end include: C:\Users\SE64D~1.KOU\AppData\Local\Temp\tmp41ewwyod.js
+
+
+// Sometimes an existing Module object exists with properties
+// meant to overwrite the default module functionality. Here
+// we collect those properties and reapply _after_ we configure
+// the current environment's defaults to avoid having to be so
+// defensive during initialization.
+var moduleOverrides = Object.assign({}, Module);
+
+var arguments_ = [];
+var thisProgram = './this.program';
+var quit_ = (status, toThrow) => {
+ throw toThrow;
+};
+
+// `/` 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_NODE) {
+ if (typeof process == 'undefined' || !process.release || process.release.name !== 'node') 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?)');
+
+ var nodeVersion = process.versions.node;
+ var numericVersion = nodeVersion.split('.').slice(0, 3);
+ numericVersion = (numericVersion[0] * 10000) + (numericVersion[1] * 100) + (numericVersion[2].split('-')[0] * 1);
+ var minVersion = 160000;
+ if (numericVersion < 160000) {
+ throw new Error('This emscripten-generated code requires node v16.0.0 (detected v' + nodeVersion + ')');
+ }
+
+ // These modules will usually be used on Node.js. Load them eagerly to avoid
+ // the complexity of lazy-loading.
+ var fs = require('fs');
+ var nodePath = require('path');
+
+ scriptDirectory = __dirname + '/';
+
+// include: node_shell_read.js
+readBinary = (filename) => {
+ // We need to re-wrap `file://` strings to URLs. Normalizing isn't
+ // necessary in that case, the path should already be absolute.
+ filename = isFileURI(filename) ? new URL(filename) : nodePath.normalize(filename);
+ var ret = fs.readFileSync(filename);
+ assert(ret.buffer);
+ return ret;
+};
+
+readAsync = (filename, binary = true) => {
+ // See the comment in the `readBinary` function.
+ filename = isFileURI(filename) ? new URL(filename) : nodePath.normalize(filename);
+ return new Promise((resolve, reject) => {
+ fs.readFile(filename, binary ? undefined : 'utf8', (err, data) => {
+ if (err) reject(err);
+ else resolve(binary ? data.buffer : data);
+ });
+ });
+};
+// end include: node_shell_read.js
+ if (!Module['thisProgram'] && process.argv.length > 1) {
+ thisProgram = process.argv[1].replace(/\\/g, '/');
+ }
+
+ arguments_ = process.argv.slice(2);
+
+ if (typeof module != 'undefined') {
+ module['exports'] = Module;
+ }
+
+ process.on('uncaughtException', (ex) => {
+ // suppress ExitStatus exceptions from showing an error
+ if (ex !== 'unwind' && !(ex instanceof ExitStatus) && !(ex.context instanceof ExitStatus)) {
+ throw ex;
+ }
+ });
+
+ quit_ = (status, toThrow) => {
+ process.exitCode = status;
+ throw toThrow;
+ };
+
+} else
+if (ENVIRONMENT_IS_SHELL) {
+
+ if ((typeof process == 'object' && typeof require === 'function') || typeof window == 'object' || typeof importScripts == 'function') 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) {
+ if (ENVIRONMENT_IS_WORKER) { // Check worker, not web, since window could be polyfilled
+ scriptDirectory = self.location.href;
+ } else if (typeof document != 'undefined' && document.currentScript) { // web
+ scriptDirectory = document.currentScript.src;
+ }
+ // blob urls look like blob:http://site.com/etc/etc and we cannot infer anything from them.
+ // otherwise, slice off the final part of the url to find the script directory.
+ // if scriptDirectory does not contain a slash, lastIndexOf will return -1,
+ // and scriptDirectory will correctly be replaced with an empty string.
+ // If scriptDirectory contains a query (starting with ?) or a fragment (starting with #),
+ // they are removed because they could contain a slash.
+ if (scriptDirectory.startsWith('blob:')) {
+ scriptDirectory = '';
+ } else {
+ scriptDirectory = scriptDirectory.substr(0, scriptDirectory.replace(/[?#].*/, '').lastIndexOf('/')+1);
+ }
+
+ if (!(typeof window == 'object' || typeof importScripts == 'function')) 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
+if (ENVIRONMENT_IS_WORKER) {
+ readBinary = (url) => {
+ var xhr = new XMLHttpRequest();
+ xhr.open('GET', url, false);
+ xhr.responseType = 'arraybuffer';
+ xhr.send(null);
+ return new Uint8Array(/** @type{!ArrayBuffer} */(xhr.response));
+ };
+ }
+
+ readAsync = (url) => {
+ // Fetch has some additional restrictions over XHR, like it can't be used on a file:// url.
+ // See https://github.com/github/fetch/pull/92#issuecomment-140665932
+ // Cordova or Electron apps are typically loaded from a file:// url.
+ // So use XHR on webview if URL is a file URL.
+ if (isFileURI(url)) {
+ return new Promise((reject, resolve) => {
+ var xhr = new XMLHttpRequest();
+ xhr.open('GET', url, true);
+ xhr.responseType = 'arraybuffer';
+ xhr.onload = () => {
+ if (xhr.status == 200 || (xhr.status == 0 && xhr.response)) { // file URLs can return 0
+ resolve(xhr.response);
+ }
+ reject(xhr.status);
+ };
+ xhr.onerror = reject;
+ xhr.send(null);
+ });
+ }
+ return fetch(url, { credentials: 'same-origin' })
+ .then((response) => {
+ if (response.ok) {
+ return response.arrayBuffer();
+ }
+ return Promise.reject(new Error(response.status + ' : ' + response.url));
+ })
+ };
+// end include: web_or_worker_shell_read.js
+ }
+} else
+{
+ throw new Error('environment detection error');
+}
+
+var out = Module['print'] || console.log.bind(console);
+var err = Module['printErr'] || console.error.bind(console);
+
+// Merge back in the overrides
+Object.assign(Module, moduleOverrides);
+// Free the object hierarchy contained in the overrides, this lets the GC
+// reclaim data used.
+moduleOverrides = null;
+checkIncomingModuleAPI();
+
+// Emit code to handle expected values on the Module object. This applies Module.x
+// to the proper local x. This has two benefits: first, we only emit it if it is
+// expected to arrive, and second, by using a local everywhere else that can be
+// minified.
+
+if (Module['arguments']) arguments_ = Module['arguments'];legacyModuleProp('arguments', 'arguments_');
+
+if (Module['thisProgram']) thisProgram = Module['thisProgram'];legacyModuleProp('thisProgram', 'thisProgram');
+
+if (Module['quit']) quit_ = Module['quit'];legacyModuleProp('quit', 'quit_');
+
+// perform assertions in shell.js after we set up out() and err(), as otherwise if an assertion fails it cannot print the message
+// 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');
+legacyModuleProp('asm', 'wasmExports');
+legacyModuleProp('readAsync', 'readAsync');
+legacyModuleProp('readBinary', 'readBinary');
+legacyModuleProp('setWindowTitle', 'setWindowTitle');
+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';
+
+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 (Module['wasmBinary']) wasmBinary = Module['wasmBinary'];legacyModuleProp('wasmBinary', 'wasmBinary');
+
+if (typeof WebAssembly != 'object') {
+ err('no native wasm support detected');
+}
+
+// include: base64Utils.js
+// Converts a string of base64 into a byte array (Uint8Array).
+function intArrayFromBase64(s) {
+ if (typeof ENVIRONMENT_IS_NODE != 'undefined' && ENVIRONMENT_IS_NODE) {
+ var buf = Buffer.from(s, 'base64');
+ return new Uint8Array(buf.buffer, buf.byteOffset, buf.length);
+ }
+
+ var decoded = atob(s);
+ var bytes = new Uint8Array(decoded.length);
+ for (var i = 0 ; i < decoded.length ; ++i) {
+ bytes[i] = decoded.charCodeAt(i);
+ }
+ return bytes;
+}
+
+// If filename is a base64 data URI, parses and returns data (Buffer on node,
+// Uint8Array otherwise). If filename is not a base64 data URI, returns undefined.
+function tryParseAsDataURI(filename) {
+ if (!isDataURI(filename)) {
+ return;
+ }
+
+ return intArrayFromBase64(filename.slice(dataURIPrefix.length));
+}
+// end include: base64Utils.js
+// Wasm globals
+
+var wasmMemory;
+
+//========================================
+// 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.
+function _free() {
+ // Show a helpful error since we used to include free by default in the past.
+ abort('free() called but not included in the build - add `_free` to EXPORTED_FUNCTIONS');
+}
+
+// Memory management
+
+var HEAP,
+/** @type {!Int8Array} */
+ HEAP8,
+/** @type {!Uint8Array} */
+ HEAPU8,
+/** @type {!Int16Array} */
+ HEAP16,
+/** @type {!Uint16Array} */
+ HEAPU16,
+/** @type {!Int32Array} */
+ HEAP32,
+/** @type {!Uint32Array} */
+ HEAPU32,
+/** @type {!Float32Array} */
+ HEAPF32,
+/** @type {!Float64Array} */
+ HEAPF64;
+
+// include: runtime_shared.js
+function updateMemoryViews() {
+ var b = wasmMemory.buffer;
+ Module['HEAP8'] = HEAP8 = new Int8Array(b);
+ Module['HEAP16'] = HEAP16 = new Int16Array(b);
+ Module['HEAPU8'] = HEAPU8 = new Uint8Array(b);
+ Module['HEAPU16'] = HEAPU16 = new Uint16Array(b);
+ Module['HEAP32'] = HEAP32 = new Int32Array(b);
+ Module['HEAPU32'] = HEAPU32 = new Uint32Array(b);
+ Module['HEAPF32'] = HEAPF32 = new Float32Array(b);
+ Module['HEAPF64'] = HEAPF64 = new Float64Array(b);
+}
+// end include: runtime_shared.js
+assert(!Module['STACK_SIZE'], 'STACK_SIZE can no longer be set at runtime. Use -sSTACK_SIZE at link time')
+
+assert(typeof Int32Array != 'undefined' && typeof Float64Array !== 'undefined' && Int32Array.prototype.subarray != undefined && Int32Array.prototype.set != undefined,
+ 'JS engine does not provide full typed array support');
+
+// If memory is defined in wasm, the user can't provide it, or set INITIAL_MEMORY
+assert(!Module['wasmMemory'], 'Use of `wasmMemory` detected. Use -sIMPORTED_MEMORY to define wasmMemory externally');
+assert(!Module['INITIAL_MEMORY'], 'Detected runtime INITIAL_MEMORY setting. Use -sIMPORTED_MEMORY to define wasmMemory dynamically');
+
+// 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)] = 0x02135467;
+ HEAPU32[(((max)+(4))>>2)] = 0x89BACDFE;
+ // Also test the global address 0 for integrity.
+ HEAPU32[((0)>>2)] = 1668509029;
+}
+
+function checkStackCookie() {
+ if (ABORT) return;
+ var max = _emscripten_stack_get_end();
+ // See writeStackCookie().
+ if (max == 0) {
+ max += 4;
+ }
+ var cookie1 = HEAPU32[((max)>>2)];
+ var cookie2 = HEAPU32[(((max)+(4))>>2)];
+ if (cookie1 != 0x02135467 || cookie2 != 0x89BACDFE) {
+ 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)] != 0x63736d65 /* 'emsc' */) {
+ abort('Runtime error: The application has corrupted its heap memory area (address zero)!');
+ }
+}
+// end include: runtime_stack_check.js
+// include: runtime_assertions.js
+// Endianness check
+(function() {
+ var h16 = new Int16Array(1);
+ var h8 = new Int8Array(h16.buffer);
+ h16[0] = 0x6373;
+ if (h8[0] !== 0x73 || h8[1] !== 0x63) throw 'Runtime error: expected the system to be little-endian! (Run with -sSUPPORT_BIG_ENDIAN to bypass)';
+})();
+
+// end include: runtime_assertions.js
+var __ATPRERUN__ = []; // functions called before the runtime is initialized
+var __ATINIT__ = []; // functions called during startup
+var __ATMAIN__ = []; // functions called when main() is to be run
+var __ATEXIT__ = []; // functions called during shutdown
+var __ATPOSTRUN__ = []; // functions called after the main() is called
+
+var runtimeInitialized = false;
+
+function preRun() {
+ if (Module['preRun']) {
+ if (typeof Module['preRun'] == 'function') Module['preRun'] = [Module['preRun']];
+ while (Module['preRun'].length) {
+ addOnPreRun(Module['preRun'].shift());
+ }
+ }
+ callRuntimeCallbacks(__ATPRERUN__);
+}
+
+function initRuntime() {
+ assert(!runtimeInitialized);
+ runtimeInitialized = true;
+
+ checkStackCookie();
+
+
+if (!Module['noFSInit'] && !FS.init.initialized)
+ FS.init();
+FS.ignorePermissions = false;
+
+TTY.init();
+ callRuntimeCallbacks(__ATINIT__);
+}
+
+function preMain() {
+ checkStackCookie();
+
+ callRuntimeCallbacks(__ATMAIN__);
+}
+
+function postRun() {
+ checkStackCookie();
+
+ if (Module['postRun']) {
+ if (typeof Module['postRun'] == 'function') Module['postRun'] = [Module['postRun']];
+ while (Module['postRun'].length) {
+ addOnPostRun(Module['postRun'].shift());
+ }
+ }
+
+ callRuntimeCallbacks(__ATPOSTRUN__);
+}
+
+function addOnPreRun(cb) {
+ __ATPRERUN__.unshift(cb);
+}
+
+function addOnInit(cb) {
+ __ATINIT__.unshift(cb);
+}
+
+function addOnPreMain(cb) {
+ __ATMAIN__.unshift(cb);
+}
+
+function addOnExit(cb) {
+}
+
+function addOnPostRun(cb) {
+ __ATPOSTRUN__.unshift(cb);
+}
+
+// include: runtime_math.js
+// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/imul
+
+// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/fround
+
+// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/clz32
+
+// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/trunc
+
+assert(Math.imul, 'This browser does not support Math.imul(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill');
+assert(Math.fround, 'This browser does not support Math.fround(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill');
+assert(Math.clz32, 'This browser does not support Math.clz32(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill');
+assert(Math.trunc, 'This browser does not support Math.trunc(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill');
+// end include: runtime_math.js
+// 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 runDependencyWatcher = null;
+var dependenciesFulfilled = null; // overridden to take different actions when all run dependencies are fulfilled
+var runDependencyTracking = {};
+
+function getUniqueRunDependency(id) {
+ var orig = id;
+ while (1) {
+ if (!runDependencyTracking[id]) return id;
+ id = orig + Math.random();
+ }
+}
+
+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)');
+ }
+ }, 10000);
+ }
+ } 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(); // can add another dependenciesFulfilled
+ }
+ }
+}
+
+/** @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;
+ EXITSTATUS = 1;
+
+ // 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);
+
+ // 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;
+}
+
+// include: memoryprofiler.js
+// end include: memoryprofiler.js
+// include: URIUtils.js
+// Prefix of data URIs emitted by SINGLE_FILE and related options.
+var dataURIPrefix = 'data:application/octet-stream;base64,';
+
+/**
+ * Indicates whether filename is a base64 data URI.
+ * @noinline
+ */
+var isDataURI = (filename) => filename.startsWith(dataURIPrefix);
+
+/**
+ * Indicates whether filename is delivered via file protocol (as opposed to http/https)
+ * @noinline
+ */
+var isFileURI = (filename) => filename.startsWith('file://');
+// end include: URIUtils.js
+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);
+ };
+}
+
+// include: runtime_exceptions.js
+// end include: runtime_exceptions.js
+function findWasmBinary() {
+ var f = 'index.wasm';
+ if (!isDataURI(f)) {
+ return locateFile(f);
+ }
+ return f;
+}
+
+var wasmBinaryFile;
+
+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';
+}
+
+function getBinaryPromise(binaryFile) {
+ // If we don't have the binary yet, load it asynchronously using readAsync.
+ if (!wasmBinary
+ ) {
+ // Fetch the binary using readAsync
+ return readAsync(binaryFile).then(
+ (response) => new Uint8Array(/** @type{!ArrayBuffer} */(response)),
+ // Fall back to getBinarySync if readAsync fails
+ () => getBinarySync(binaryFile)
+ );
+ }
+
+ // Otherwise, getBinarySync should be able to get it synchronously
+ return Promise.resolve().then(() => getBinarySync(binaryFile));
+}
+
+function instantiateArrayBuffer(binaryFile, imports, receiver) {
+ return getBinaryPromise(binaryFile).then((binary) => {
+ return WebAssembly.instantiate(binary, imports);
+ }).then(receiver, (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);
+ });
+}
+
+function instantiateAsync(binary, binaryFile, imports, callback) {
+ if (!binary &&
+ typeof WebAssembly.instantiateStreaming == 'function' &&
+ !isDataURI(binaryFile) &&
+ // Don't use streaming for file:// delivered objects in a webview, fetch them synchronously.
+ !isFileURI(binaryFile) &&
+ // Avoid instantiateStreaming() on Node.js environment for now, as while
+ // Node.js v18.1.0 implements it, it does not have a full fetch()
+ // implementation yet.
+ //
+ // Reference:
+ // https://github.com/emscripten-core/emscripten/pull/16917
+ !ENVIRONMENT_IS_NODE &&
+ typeof fetch == 'function') {
+ return fetch(binaryFile, { credentials: 'same-origin' }).then((response) => {
+ // Suppress closure warning here since the upstream definition for
+ // instantiateStreaming only allows Promise rather than
+ // an actual Response.
+ // TODO(https://github.com/google/closure-compiler/pull/3913): Remove if/when upstream closure is fixed.
+ /** @suppress {checkTypes} */
+ var result = WebAssembly.instantiateStreaming(response, imports);
+
+ return result.then(
+ callback,
+ function(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, callback);
+ });
+ });
+ }
+ return instantiateArrayBuffer(binaryFile, imports, callback);
+}
+
+function getWasmImports() {
+ // prepare imports
+ return {
+ 'env': wasmImports,
+ 'wasi_snapshot_preview1': wasmImports,
+ }
+}
+
+// Create the wasm instance.
+// Receives the wasm imports, returns the exports.
+function createWasm() {
+ var info = getWasmImports();
+ // 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;
+
+
+
+ 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');
+
+ addOnInit(wasmExports['__wasm_call_ctors']);
+
+ 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.
+ receiveInstance(result['instance']);
+ }
+
+ // 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']) {
+ try {
+ return Module['instantiateWasm'](info, receiveInstance);
+ } catch(e) {
+ err(`Module.instantiateWasm callback failed with error: ${e}`);
+ return false;
+ }
+ }
+
+ if (!wasmBinaryFile) wasmBinaryFile = findWasmBinary();
+
+ instantiateAsync(wasmBinary, wasmBinaryFile, info, receiveInstantiationResult);
+ return {}; // no exports yet; we'll fill them in later
+}
+
+// Globals used by JS i64 conversions (see makeSetValue)
+var tempDouble;
+var tempI64;
+
+// include: runtime_debug.js
+function legacyModuleProp(prop, newName, incoming=true) {
+ if (!Object.getOwnPropertyDescriptor(Module, prop)) {
+ Object.defineProperty(Module, prop, {
+ configurable: true,
+ get() {
+ let extra = incoming ? ' (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)' : '';
+ abort(`\`Module.${prop}\` has been replaced by \`${newName}\`` + extra);
+
+ }
+ });
+ }
+}
+
+function ignoredModuleProp(prop) {
+ if (Object.getOwnPropertyDescriptor(Module, prop)) {
+ abort(`\`Module.${prop}\` was supplied but \`${prop}\` not included in INCOMING_MODULE_JS_API`);
+ }
+}
+
+// forcing the filesystem exports a few things by default
+function isExportedByForceFilesystem(name) {
+ return name === 'FS_createPath' ||
+ name === 'FS_createDataFile' ||
+ name === 'FS_createPreloadedFile' ||
+ name === 'FS_unlink' ||
+ name === 'addRunDependency' ||
+ // The old FS has some functionality that WasmFS lacks.
+ name === 'FS_createLazyFile' ||
+ name === 'FS_createDevice' ||
+ name === 'removeRunDependency';
+}
+
+function missingGlobal(sym, msg) {
+ if (typeof globalThis != 'undefined') {
+ Object.defineProperty(globalThis, sym, {
+ configurable: true,
+ get() {
+ warnOnce(`\`${sym}\` is not longer defined by emscripten. ${msg}`);
+ return undefined;
+ }
+ });
+ }
+}
+
+missingGlobal('buffer', 'Please use HEAP8.buffer or wasmMemory.buffer');
+missingGlobal('asm', 'Please use wasmExports instead');
+
+function missingLibrarySymbol(sym) {
+ if (typeof globalThis != 'undefined' && !Object.getOwnPropertyDescriptor(globalThis, sym)) {
+ Object.defineProperty(globalThis, sym, {
+ configurable: true,
+ get() {
+ // Can't `abort()` here because it would break code that does runtime
+ // checks. e.g. `if (typeof SDL === 'undefined')`.
+ var msg = `\`${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='${librarySymbol}')`;
+ if (isExportedByForceFilesystem(sym)) {
+ msg += '. Alternatively, forcing filesystem support (-sFORCE_FILESYSTEM) can export this for you';
+ }
+ warnOnce(msg);
+ return undefined;
+ }
+ });
+ }
+ // Any symbol that is not included from the JS library is also (by definition)
+ // not exported on the Module object.
+ unexportedRuntimeSymbol(sym);
+}
+
+function unexportedRuntimeSymbol(sym) {
+ if (!Object.getOwnPropertyDescriptor(Module, sym)) {
+ Object.defineProperty(Module, sym, {
+ configurable: true,
+ get() {
+ var msg = `'${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);
+ }
+ });
+ }
+}
+
+// Used by XXXXX_DEBUG settings to output debug messages.
+function dbg(...args) {
+ // TODO(sbc): Make this configurable somehow. Its not always convenient for
+ // logging to show up as warnings.
+ console.warn(...args);
+}
+// end include: runtime_debug.js
+// === Body ===
+
+var ASM_CONSTS = {
+ 170084: ($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); },
+ 170309: () => { if (typeof(AudioContext) !== 'undefined') { return true; } else if (typeof(webkitAudioContext) !== 'undefined') { return true; } return false; },
+ 170456: () => { if ((typeof(navigator.mediaDevices) !== 'undefined') && (typeof(navigator.mediaDevices.getUserMedia) !== 'undefined')) { return true; } else if (typeof(navigator.webkitGetUserMedia) !== 'undefined') { return true; } return false; },
+ 170690: ($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) { autoResumeAudioContext(SDL2.audioContext); } } return SDL2.audioContext === undefined ? -1 : 0; },
+ 171183: () => { var SDL2 = Module['SDL2']; return SDL2.audioContext.sampleRate; },
+ 171251: ($0, $1, $2, $3) => { var SDL2 = Module['SDL2']; var have_microphone = function(stream) { if (SDL2.capture.silenceTimer !== undefined) { clearTimeout(SDL2.capture.silenceTimer); SDL2.capture.silenceTimer = 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(0.0); 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(0.0); var silence_callback = function() { SDL2.capture.currentCaptureBuffer = SDL2.capture.silenceBuffer; dynCall('vi', $2, [$3]); }; SDL2.capture.silenceTimer = setTimeout(silence_callback, ($1 / SDL2.audioContext.sampleRate) * 1000); 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); } },
+ 172903: ($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; } SDL2.audio.currentOutputBuffer = e['outputBuffer']; dynCall('vi', $2, [$3]); }; SDL2.audio.scriptProcessorNode['connect'](SDL2.audioContext['destination']); },
+ 173313: ($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'); } } } },
+ 173918: ($0, $1) => { var SDL2 = Module['SDL2']; 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[$0 + ((j*numChannels + c) << 2) >> 2]; } } },
+ 174398: ($0) => { var SDL2 = Module['SDL2']; if ($0) { if (SDL2.capture.silenceTimer !== undefined) { clearTimeout(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]); } SDL2.capture.stream = undefined; } if (SDL2.capture.scriptProcessorNode !== undefined) { SDL2.capture.scriptProcessorNode.onaudioprocess = function(audioProcessingEvent) {}; SDL2.capture.scriptProcessorNode.disconnect(); SDL2.capture.scriptProcessorNode = undefined; } if (SDL2.capture.mediaStreamNode !== undefined) { SDL2.capture.mediaStreamNode.disconnect(); SDL2.capture.mediaStreamNode = undefined; } if (SDL2.capture.silenceBuffer !== undefined) { SDL2.capture.silenceBuffer = undefined } SDL2.capture = undefined; } else { if (SDL2.audio.scriptProcessorNode != undefined) { SDL2.audio.scriptProcessorNode.disconnect(); SDL2.audio.scriptProcessorNode = undefined; } SDL2.audio = undefined; } if ((SDL2.audioContext !== undefined) && (SDL2.audio === undefined) && (SDL2.capture === undefined)) { SDL2.audioContext.close(); SDL2.audioContext = undefined; } },
+ 175570: ($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 >> 2; var dst = 0; var num; if (typeof CanvasPixelArray !== 'undefined' && data instanceof CanvasPixelArray) { num = data.length; while (dst < num) { var val = HEAP32[src]; data[dst ] = val & 0xff; data[dst+1] = (val >> 8) & 0xff; data[dst+2] = (val >> 16) & 0xff; data[dst+3] = 0xff; 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, src + num)); var data8 = SDL2.data8; var i = 3; var j = i + 4*num; if (num % 8 == 0) { while (i < j) { data8[i] = 0xff; i = i + 4 | 0; data8[i] = 0xff; i = i + 4 | 0; data8[i] = 0xff; i = i + 4 | 0; data8[i] = 0xff; i = i + 4 | 0; data8[i] = 0xff; i = i + 4 | 0; data8[i] = 0xff; i = i + 4 | 0; data8[i] = 0xff; i = i + 4 | 0; data8[i] = 0xff; i = i + 4 | 0; } } else { while (i < j) { data8[i] = 0xff; i = i + 4 | 0; } } } SDL2.ctx.putImageData(SDL2.image, 0, 0); },
+ 177039: ($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 >> 2; var dst = 0; var num; if (typeof CanvasPixelArray !== 'undefined' && data instanceof CanvasPixelArray) { num = data.length; while (dst < num) { var val = HEAP32[src]; data[dst ] = val & 0xff; data[dst+1] = (val >> 8) & 0xff; data[dst+2] = (val >> 16) & 0xff; data[dst+3] = (val >> 24) & 0xff; src++; dst += 4; } } else { var data32 = new Int32Array(data.buffer); num = data32.length; data32.set(HEAP32.subarray(src, src + num)); } 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; },
+ 178028: ($0) => { if (Module['canvas']) { Module['canvas'].style['cursor'] = UTF8ToString($0); } },
+ 178111: () => { if (Module['canvas']) { Module['canvas'].style['cursor'] = 'none'; } },
+ 178180: () => { return window.innerWidth; },
+ 178210: () => { return window.innerHeight; },
+ 178241: ($0, $1) => { alert(UTF8ToString($0) + "\n\n" + UTF8ToString($1)); }
+};
+
+// end include: preamble.js
+
+
+ /** @constructor */
+ function ExitStatus(status) {
+ this.name = 'ExitStatus';
+ this.message = `Program terminated with exit(${status})`;
+ this.status = status;
+ }
+
+ var callRuntimeCallbacks = (callbacks) => {
+ while (callbacks.length > 0) {
+ // Pass the module as the first argument.
+ callbacks.shift()(Module);
+ }
+ };
+
+
+ /**
+ * @param {number} ptr
+ * @param {string} type
+ */
+ function getValue(ptr, type = 'i8') {
+ if (type.endsWith('*')) type = '*';
+ switch (type) {
+ case 'i1': return HEAP8[ptr];
+ case 'i8': return HEAP8[ptr];
+ case 'i16': return HEAP16[((ptr)>>1)];
+ case 'i32': return HEAP32[((ptr)>>2)];
+ case 'i64': abort('to do getValue(i64) use WASM_BIGINT');
+ case 'float': return HEAPF32[((ptr)>>2)];
+ case 'double': return HEAPF64[((ptr)>>3)];
+ case '*': return HEAPU32[((ptr)>>2)];
+ default: abort(`invalid type for getValue: ${type}`);
+ }
+ }
+
+ var noExitRuntime = Module['noExitRuntime'] || true;
+
+ var ptrToString = (ptr) => {
+ assert(typeof ptr === 'number');
+ // With CAN_ADDRESS_2GB or MEMORY64, pointers are already unsigned.
+ ptr >>>= 0;
+ 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] = value; break;
+ case 'i8': HEAP8[ptr] = value; break;
+ case 'i16': HEAP16[((ptr)>>1)] = value; break;
+ case 'i32': HEAP32[((ptr)>>2)] = value; break;
+ case 'i64': abort('to do setValue(i64) use WASM_BIGINT');
+ case 'float': HEAPF32[((ptr)>>2)] = value; break;
+ case 'double': HEAPF64[((ptr)>>3)] = value; break;
+ case '*': HEAPU32[((ptr)>>2)] = 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;
+ if (ENVIRONMENT_IS_NODE) text = 'warning: ' + text;
+ err(text);
+ }
+ };
+
+ var UTF8Decoder = typeof TextDecoder != 'undefined' ? new TextDecoder() : undefined;
+
+ /**
+ * 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
+ * @return {string}
+ */
+ var UTF8ArrayToString = (heapOrArray, idx, maxBytesToRead) => {
+ var endIdx = idx + maxBytesToRead;
+ var endPtr = idx;
+ // TextDecoder needs to know the byte length in advance, it doesn't stop on
+ // null terminator by itself. Also, use the length info to avoid running tiny
+ // strings through TextDecoder, since .subarray() allocates garbage.
+ // (As a tiny code save trick, compare endPtr against endIdx using a negation,
+ // so that undefined means Infinity)
+ while (heapOrArray[endPtr] && !(endPtr >= endIdx)) ++endPtr;
+
+ if (endPtr - idx > 16 && heapOrArray.buffer && UTF8Decoder) {
+ return UTF8Decoder.decode(heapOrArray.subarray(idx, endPtr));
+ }
+ var str = '';
+ // If building with TextDecoder, we have already computed the string length
+ // above, so test loop end condition against that
+ 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 & 0x80)) { str += String.fromCharCode(u0); continue; }
+ var u1 = heapOrArray[idx++] & 63;
+ if ((u0 & 0xE0) == 0xC0) { str += String.fromCharCode(((u0 & 31) << 6) | u1); continue; }
+ var u2 = heapOrArray[idx++] & 63;
+ if ((u0 & 0xF0) == 0xE0) {
+ u0 = ((u0 & 15) << 12) | (u1 << 6) | u2;
+ } else {
+ if ((u0 & 0xF8) != 0xF0) 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 < 0x10000) {
+ str += String.fromCharCode(u0);
+ } else {
+ var ch = u0 - 0x10000;
+ str += String.fromCharCode(0xD800 | (ch >> 10), 0xDC00 | (ch & 0x3FF));
+ }
+ }
+ 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 (i.e. maxBytesToRead will not
+ * produce a string of exact length [ptr, ptr+maxBytesToRead[) N.B. mixing
+ * frequent uses of UTF8ToString() with and without maxBytesToRead may throw
+ * JS JIT optimizations off, so it is worth to consider consistently using one
+ * @return {string}
+ */
+ var UTF8ToString = (ptr, maxBytesToRead) => {
+ assert(typeof ptr == 'number', `UTF8ToString expects a number (got ${typeof ptr})`);
+ return ptr ? UTF8ArrayToString(HEAPU8, ptr, maxBytesToRead) : '';
+ };
+ var ___assert_fail = (condition, filename, line, func) => {
+ 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)] = type;
+ }
+
+ get_type() {
+ return HEAPU32[(((this.ptr)+(4))>>2)];
+ }
+
+ set_destructor(destructor) {
+ HEAPU32[(((this.ptr)+(8))>>2)] = destructor;
+ }
+
+ get_destructor() {
+ return HEAPU32[(((this.ptr)+(8))>>2)];
+ }
+
+ set_caught(caught) {
+ caught = caught ? 1 : 0;
+ HEAP8[(this.ptr)+(12)] = caught;
+ }
+
+ get_caught() {
+ return HEAP8[(this.ptr)+(12)] != 0;
+ }
+
+ set_rethrown(rethrown) {
+ rethrown = rethrown ? 1 : 0;
+ HEAP8[(this.ptr)+(13)] = rethrown;
+ }
+
+ get_rethrown() {
+ return HEAP8[(this.ptr)+(13)] != 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)] = adjustedPtr;
+ }
+
+ get_adjusted_ptr() {
+ return HEAPU32[(((this.ptr)+(16))>>2)];
+ }
+
+ // Get pointer which is expected to be received by catch clause in C++ code. It may be adjusted
+ // when the pointer is casted to some of the exception object base classes (e.g. when virtual
+ // inheritance is used). When a pointer is thrown this method should return the thrown pointer
+ // itself.
+ get_exception_ptr() {
+ // Work around a fastcomp bug, this code is still included for some reason in a build without
+ // exceptions support.
+ var isPointer = ___cxa_is_pointer_type(this.get_type());
+ if (isPointer) {
+ return HEAPU32[((this.excPtr)>>2)];
+ }
+ var adjusted = this.get_adjusted_ptr();
+ if (adjusted !== 0) return adjusted;
+ return this.excPtr;
+ }
+ }
+
+ var exceptionLast = 0;
+
+ var uncaughtExceptionCount = 0;
+ var ___cxa_throw = (ptr, type, destructor) => {
+ 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.');
+ };
+
+ /** @suppress {duplicate } */
+ function 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)];
+ SYSCALLS.varargs += 4;
+ return ret;
+ }
+ var syscallGetVarargP = syscallGetVarargI;
+
+
+ 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.substr(-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.substr(0, dir.length - 1);
+ }
+ return root + dir;
+ },
+ basename:(path) => {
+ // EMSCRIPTEN return '/'' for '/', not an empty string
+ if (path === '/') return '/';
+ path = PATH.normalize(path);
+ path = path.replace(/\/$/, "");
+ var lastSlash = path.lastIndexOf('/');
+ if (lastSlash === -1) return path;
+ return path.substr(lastSlash+1);
+ },
+ join:(...paths) => PATH.normalize(paths.join('/')),
+ join2:(l, r) => PATH.normalize(l + '/' + r),
+ };
+
+ var initRandomFill = () => {
+ if (typeof crypto == 'object' && typeof crypto['getRandomValues'] == 'function') {
+ // for modern web browsers
+ return (view) => crypto.getRandomValues(view);
+ } else
+ if (ENVIRONMENT_IS_NODE) {
+ // for nodejs with or without crypto support included
+ try {
+ var crypto_module = require('crypto');
+ var randomFillSync = crypto_module['randomFillSync'];
+ if (randomFillSync) {
+ // nodejs with LTS crypto support
+ return (view) => crypto_module['randomFillSync'](view);
+ }
+ // very old nodejs with the original crypto API
+ var randomBytes = crypto_module['randomBytes'];
+ return (view) => (
+ view.set(randomBytes(view.byteLength)),
+ // Return the original view to match modern native implementations.
+ view
+ );
+ } catch (e) {
+ // nodejs doesn't have crypto support
+ }
+ }
+ // we couldn't find a proper implementation, as Math.random() is not suitable for /dev/random, see emscripten-core/emscripten/pull/7096
+ abort('no cryptographic support found for randomDevice. consider polyfilling it if you want to use something insecure like Math.random(), e.g. put this in a --pre-js: var crypto = { getRandomValues: (array) => { for (var i = 0; i < array.length; i++) array[i] = (Math.random()*256)|0 } };');
+ };
+ var randomFill = (view) => {
+ // Lazily init on the first invocation.
+ return (randomFill = initRandomFill())(view);
+ };
+
+
+
+ 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 ''; // an invalid portion invalidates the whole thing
+ }
+ 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).substr(1);
+ to = PATH_FS.resolve(to).substr(1);
+ function trim(arr) {
+ var start = 0;
+ for (; start < arr.length; start++) {
+ if (arr[start] !== '') break;
+ }
+ var end = arr.length - 1;
+ for (; end >= 0; end--) {
+ if (arr[end] !== '') break;
+ }
+ if (start > end) return [];
+ return arr.slice(start, end - start + 1);
+ }
+ var fromParts = trim(from.split('/'));
+ var toParts = trim(to.split('/'));
+ var length = Math.min(fromParts.length, toParts.length);
+ var samePartsLength = length;
+ for (var i = 0; i < length; i++) {
+ if (fromParts[i] !== toParts[i]) {
+ samePartsLength = i;
+ break;
+ }
+ }
+ var outputParts = [];
+ for (var i = samePartsLength; i < fromParts.length; i++) {
+ outputParts.push('..');
+ }
+ outputParts = outputParts.concat(toParts.slice(samePartsLength));
+ return outputParts.join('/');
+ },
+ };
+
+
+
+ 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 <= 0x7F) {
+ len++;
+ } else if (c <= 0x7FF) {
+ len += 2;
+ } else if (c >= 0xD800 && c <= 0xDFFF) {
+ len += 4; ++i;
+ } else {
+ len += 3;
+ }
+ }
+ return len;
+ };
+
+ var stringToUTF8Array = (str, heap, outIdx, maxBytesToWrite) => {
+ 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) {
+ // 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
+ // 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.charCodeAt(i); // possibly a lead surrogate
+ if (u >= 0xD800 && u <= 0xDFFF) {
+ var u1 = str.charCodeAt(++i);
+ u = 0x10000 + ((u & 0x3FF) << 10) | (u1 & 0x3FF);
+ }
+ if (u <= 0x7F) {
+ if (outIdx >= endIdx) break;
+ heap[outIdx++] = u;
+ } else if (u <= 0x7FF) {
+ if (outIdx + 1 >= endIdx) break;
+ heap[outIdx++] = 0xC0 | (u >> 6);
+ heap[outIdx++] = 0x80 | (u & 63);
+ } else if (u <= 0xFFFF) {
+ if (outIdx + 2 >= endIdx) break;
+ heap[outIdx++] = 0xE0 | (u >> 12);
+ heap[outIdx++] = 0x80 | ((u >> 6) & 63);
+ heap[outIdx++] = 0x80 | (u & 63);
+ } else {
+ if (outIdx + 3 >= endIdx) break;
+ if (u > 0x10FFFF) 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++] = 0xF0 | (u >> 18);
+ heap[outIdx++] = 0x80 | ((u >> 12) & 63);
+ heap[outIdx++] = 0x80 | ((u >> 6) & 63);
+ heap[outIdx++] = 0x80 | (u & 63);
+ }
+ }
+ // Null-terminate the pointer to the buffer.
+ heap[outIdx] = 0;
+ return outIdx - startIdx;
+ };
+ /** @type {function(string, boolean=, number=)} */
+ function intArrayFromString(stringy, dontAddNull, length) {
+ var len = length > 0 ? length : lengthBytesUTF8(stringy)+1;
+ var u8array = new Array(len);
+ var numBytesWritten = stringToUTF8Array(stringy, u8array, 0, u8array.length);
+ if (dontAddNull) u8array.length = numBytesWritten;
+ return u8array;
+ }
+ var FS_stdin_getChar = () => {
+ if (!FS_stdin_getChar_buffer.length) {
+ var result = null;
+ if (ENVIRONMENT_IS_NODE) {
+ // we will read data by chunks of BUFSIZE
+ var BUFSIZE = 256;
+ var buf = Buffer.alloc(BUFSIZE);
+ var bytesRead = 0;
+
+ // For some reason we must suppress a closure warning here, even though
+ // fd definitely exists on process.stdin, and is even the proper way to
+ // get the fd of stdin,
+ // https://github.com/nodejs/help/issues/2136#issuecomment-523649904
+ // This started to happen after moving this logic out of library_tty.js,
+ // so it is related to the surrounding code in some unclear manner.
+ /** @suppress {missingProperties} */
+ var fd = process.stdin.fd;
+
+ try {
+ bytesRead = fs.readSync(fd, buf, 0, BUFSIZE);
+ } catch(e) {
+ // Cross-platform differences: on Windows, reading EOF throws an
+ // exception, but on other OSes, reading EOF returns 0. Uniformize
+ // behavior by treating the EOF exception to return 0.
+ if (e.toString().includes('EOF')) bytesRead = 0;
+ else throw e;
+ }
+
+ if (bytesRead > 0) {
+ result = buf.slice(0, bytesRead).toString('utf-8');
+ }
+ } else
+ 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() {
+ // https://github.com/emscripten-core/emscripten/pull/1555
+ // if (ENVIRONMENT_IS_NODE) {
+ // // currently, FS.init does not distinguish if process.stdin is a file or TTY
+ // // device, it always assumes it's a TTY device. because of this, we're forcing
+ // // process.stdin to UTF8 encoding to at least make stdin reading compatible
+ // // with text files until FS.init can be refactored.
+ // process.stdin.setEncoding('utf8');
+ // }
+ },
+ shutdown() {
+ // https://github.com/emscripten-core/emscripten/pull/1555
+ // if (ENVIRONMENT_IS_NODE) {
+ // // inolen: any idea as to why node -e 'process.stdin.read()' wouldn't exit immediately (with process.stdin being a tty)?
+ // // isaacs: because now it's reading from the stream, you've expressed interest in it, so that read() kicks off a _read() which creates a ReadReq operation
+ // // inolen: I thought read() in that case was a synchronous operation that just grabbed some amount of buffered data if it exists?
+ // // isaacs: it is. but it also triggers a _read() call, which calls readStart() on the handle
+ // // isaacs: do process.stdin.pause() and i'd think it'd probably close the pending call
+ // process.stdin.pause();
+ // }
+ },
+ register(dev, ops) {
+ TTY.ttys[dev] = { input: [], output: [], ops: 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 /* ignored */) {
+ if (!stream.tty || !stream.tty.ops.get_char) {
+ throw new FS.ErrnoError(60);
+ }
+ var bytesRead = 0;
+ for (var i = 0; i < length; i++) {
+ var result;
+ try {
+ result = stream.tty.ops.get_char(stream.tty);
+ } catch (e) {
+ throw new FS.ErrnoError(29);
+ }
+ if (result === undefined && bytesRead === 0) {
+ throw new FS.ErrnoError(6);
+ }
+ if (result === null || result === undefined) break;
+ bytesRead++;
+ buffer[offset+i] = result;
+ }
+ if (bytesRead) {
+ stream.node.timestamp = Date.now();
+ }
+ return bytesRead;
+ },
+ write(stream, buffer, offset, length, pos) {
+ if (!stream.tty || !stream.tty.ops.put_char) {
+ throw new FS.ErrnoError(60);
+ }
+ try {
+ for (var i = 0; i < length; i++) {
+ stream.tty.ops.put_char(stream.tty, buffer[offset+i]);
+ }
+ } catch (e) {
+ throw new FS.ErrnoError(29);
+ }
+ if (length) {
+ stream.node.timestamp = Date.now();
+ }
+ return i;
+ },
+ },
+ default_tty_ops:{
+ get_char(tty) {
+ return FS_stdin_getChar();
+ },
+ put_char(tty, val) {
+ if (val === null || val === 10) {
+ out(UTF8ArrayToString(tty.output, 0));
+ tty.output = [];
+ } else {
+ if (val != 0) tty.output.push(val); // val == 0 would cut text output off in the middle.
+ }
+ },
+ fsync(tty) {
+ if (tty.output && tty.output.length > 0) {
+ out(UTF8ArrayToString(tty.output, 0));
+ tty.output = [];
+ }
+ },
+ ioctl_tcgets(tty) {
+ // typical setting
+ return {
+ c_iflag: 25856,
+ c_oflag: 5,
+ c_cflag: 191,
+ c_lflag: 35387,
+ c_cc: [
+ 0x03, 0x1c, 0x7f, 0x15, 0x04, 0x00, 0x01, 0x00, 0x11, 0x13, 0x1a, 0x00,
+ 0x12, 0x0f, 0x17, 0x16, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ ]
+ };
+ },
+ 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, 0));
+ tty.output = [];
+ } else {
+ if (val != 0) tty.output.push(val);
+ }
+ },
+ fsync(tty) {
+ if (tty.output && tty.output.length > 0) {
+ err(UTF8ArrayToString(tty.output, 0));
+ tty.output = [];
+ }
+ },
+ },
+ };
+
+
+ var zeroMemory = (address, size) => {
+ HEAPU8.fill(0, address, address + size);
+ return address;
+ };
+
+ var alignMemory = (size, alignment) => {
+ assert(alignment, "alignment argument is required");
+ return Math.ceil(size / alignment) * alignment;
+ };
+ 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, '/', 16384 | 511 /* 0777 */, 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,
+ allocate: MEMFS.stream_ops.allocate,
+ mmap: MEMFS.stream_ops.mmap,
+ msync: MEMFS.stream_ops.msync
+ }
+ },
+ link: {
+ node: {
+ getattr: MEMFS.node_ops.getattr,
+ setattr: MEMFS.node_ops.setattr,
+ readlink: MEMFS.node_ops.readlink
+ },
+ stream: {}
+ },
+ chrdev: {
+ node: {
+ getattr: MEMFS.node_ops.getattr,
+ setattr: MEMFS.node_ops.setattr
+ },
+ stream: FS.chrdev_stream_ops
+ }
+ };
+ var node = FS.createNode(parent, name, mode, dev);
+ if (FS.isDir(node.mode)) {
+ node.node_ops = MEMFS.ops_table.dir.node;
+ node.stream_ops = MEMFS.ops_table.dir.stream;
+ node.contents = {};
+ } else if (FS.isFile(node.mode)) {
+ node.node_ops = MEMFS.ops_table.file.node;
+ node.stream_ops = MEMFS.ops_table.file.stream;
+ node.usedBytes = 0; // 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.timestamp = Date.now();
+ // add the new node to the parent
+ if (parent) {
+ parent.contents[name] = node;
+ parent.timestamp = node.timestamp;
+ }
+ 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 ? 2.0 : 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); // Copy old data over to the new storage.
+ },
+ 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))); // Copy old data over to the new storage.
+ }
+ 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.timestamp);
+ attr.mtime = new Date(node.timestamp);
+ attr.ctime = new Date(node.timestamp);
+ // 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) {
+ if (attr.mode !== undefined) {
+ node.mode = attr.mode;
+ }
+ if (attr.timestamp !== undefined) {
+ node.timestamp = attr.timestamp;
+ }
+ if (attr.size !== undefined) {
+ MEMFS.resizeFileStorage(node, attr.size);
+ }
+ },
+ lookup(parent, name) {
+ throw FS.genericErrors[44];
+ },
+ mknod(parent, name, mode, dev) {
+ return MEMFS.createNode(parent, name, mode, dev);
+ },
+ rename(old_node, new_dir, new_name) {
+ // if we're overwriting a directory at new_name, make sure it's empty.
+ if (FS.isDir(old_node.mode)) {
+ var new_node;
+ try {
+ new_node = FS.lookupNode(new_dir, new_name);
+ } catch (e) {
+ }
+ if (new_node) {
+ for (var i in new_node.contents) {
+ throw new FS.ErrnoError(55);
+ }
+ }
+ }
+ // do the internal rewiring
+ delete old_node.parent.contents[old_node.name];
+ old_node.parent.timestamp = Date.now()
+ old_node.name = new_name;
+ new_dir.contents[new_name] = old_node;
+ new_dir.timestamp = old_node.parent.timestamp;
+ },
+ unlink(parent, name) {
+ delete parent.contents[name];
+ parent.timestamp = 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.timestamp = Date.now();
+ },
+ readdir(node) {
+ var entries = ['.', '..'];
+ for (var key of Object.keys(node.contents)) {
+ entries.push(key);
+ }
+ return entries;
+ },
+ symlink(parent, newname, oldpath) {
+ var node = MEMFS.createNode(parent, newname, 511 /* 0777 */ | 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 (!length) return 0;
+ var node = stream.node;
+ node.timestamp = 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]; // Or fall back to manual write if not.
+ }
+ }
+ 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;
+ },
+ allocate(stream, offset, length) {
+ MEMFS.expandFileStorage(stream.node, offset + length);
+ stream.node.usedBytes = Math.max(stream.node.usedBytes, offset + length);
+ },
+ 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.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 {
+ // 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);
+ }
+ }
+ allocated = true;
+ ptr = mmapAlloc(length);
+ if (!ptr) {
+ throw new FS.ErrnoError(48);
+ }
+ HEAP8.set(contents, ptr);
+ }
+ 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;
+ },
+ },
+ };
+
+ /** @param {boolean=} noRunDep */
+ var asyncLoad = (url, onload, onerror, noRunDep) => {
+ var dep = !noRunDep ? getUniqueRunDependency(`al ${url}`) : '';
+ readAsync(url).then(
+ (arrayBuffer) => {
+ assert(arrayBuffer, `Loading data file "${url}" failed (no arrayBuffer).`);
+ onload(new Uint8Array(arrayBuffer));
+ if (dep) removeRunDependency(dep);
+ },
+ (err) => {
+ if (onerror) {
+ onerror();
+ } else {
+ throw `Loading data file "${url}" failed.`;
+ }
+ }
+ );
+ if (dep) addRunDependency(dep);
+ };
+
+
+ var FS_createDataFile = (parent, name, fileData, canRead, canWrite, canOwn) => {
+ FS.createDataFile(parent, name, fileData, canRead, canWrite, canOwn);
+ };
+
+ var preloadPlugins = Module['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, 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) => {
+ return 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,
+ ErrnoError:class extends Error {
+ // 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) : '');
+ // TODO(sbc): Use the inline member declaration syntax once we
+ // support it in acorn and closure.
+ this.name = 'ErrnoError';
+ this.errno = errno;
+ for (var key in ERRNO_CODES) {
+ if (ERRNO_CODES[key] === errno) {
+ this.code = key;
+ break;
+ }
+ }
+ }
+ },
+ genericErrors:{
+ },
+ filesystems:null,
+ syncFSRequests:0,
+ FSStream:class {
+ constructor() {
+ // TODO(https://github.com/emscripten-core/emscripten/issues/21414):
+ // Use inline field declarations.
+ this.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 {
+ constructor(parent, name, mode, rdev) {
+ if (!parent) {
+ parent = this; // root node sets parent to itself
+ }
+ this.parent = parent;
+ this.mount = parent.mount;
+ this.mounted = null;
+ this.id = FS.nextInode++;
+ this.name = name;
+ this.mode = mode;
+ this.node_ops = {};
+ this.stream_ops = {};
+ this.rdev = rdev;
+ this.readMode = 292/*292*/ | 73/*73*/;
+ this.writeMode = 146/*146*/;
+ }
+ 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 = {}) {
+ path = PATH_FS.resolve(path);
+
+ if (!path) return { path: '', node: null };
+
+ var defaults = {
+ follow_mount: true,
+ recurse_count: 0
+ };
+ opts = Object.assign(defaults, opts)
+
+ if (opts.recurse_count > 8) { // max recursive lookup of 8
+ throw new FS.ErrnoError(32);
+ }
+
+ // 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;
+ }
+
+ current = FS.lookupNode(current, parts[i]);
+ current_path = PATH.join2(current_path, parts[i]);
+
+ // jump to the mount's root node if this is a mountpoint
+ if (FS.isMountpoint(current)) {
+ if (!islast || (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 (!islast || opts.follow) {
+ var count = 0;
+ while (FS.isLink(current.mode)) {
+ var link = FS.readlink(current_path);
+ current_path = PATH_FS.resolve(PATH.dirname(current_path), link);
+
+ var lookup = FS.lookupPath(current_path, { recurse_count: opts.recurse_count + 1 });
+ current = lookup.node;
+
+ if (count++ > 40) { // limit max consecutive symlinks to 40 (SYMLOOP_MAX).
+ throw new FS.ErrnoError(32);
+ }
+ }
+ }
+ }
+
+ return { path: current_path, node: current };
+ },
+ getPath(node) {
+ var path;
+ while (true) {
+ if (FS.isRoot(node)) {
+ var mount = node.mount.mountpoint;
+ if (!path) return mount;
+ return mount[mount.length-1] !== '/' ? `${mount}/${path}` : mount + path;
+ }
+ path = path ? `${node.name}/${path}` : node.name;
+ node = node.parent;
+ }
+ },
+ hashName(parentid, name) {
+ var hash = 0;
+
+ for (var i = 0; i < name.length; i++) {
+ hash = ((hash << 5) - hash + name.charCodeAt(i)) | 0;
+ }
+ return ((parentid + hash) >>> 0) % FS.nameTable.length;
+ },
+ hashAddNode(node) {
+ var hash = FS.hashName(node.parent.id, node.name);
+ node.name_next = FS.nameTable[hash];
+ FS.nameTable[hash] = node;
+ },
+ hashRemoveNode(node) {
+ var hash = FS.hashName(node.parent.id, node.name);
+ if (FS.nameTable[hash] === node) {
+ FS.nameTable[hash] = node.name_next;
+ } else {
+ var current = FS.nameTable[hash];
+ while (current) {
+ if (current.name_next === node) {
+ current.name_next = node.name_next;
+ break;
+ }
+ current = current.name_next;
+ }
+ }
+ },
+ lookupNode(parent, name) {
+ var errCode = FS.mayLookup(parent);
+ if (errCode) {
+ throw new FS.ErrnoError(errCode);
+ }
+ 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) {
+ 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' || // opening for write
+ (flags & 512)) { // TODO: check for O_SEARCH? (== search for dir only)
+ return 31;
+ }
+ }
+ return FS.nodePermissions(node, FS.flagsToPermissionString(flags));
+ },
+ 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;
+ },
+ 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) & 0xff),
+ 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 || name === '.' || name === '..') {
+ throw new FS.ErrnoError(28);
+ }
+ var errCode = FS.mayCreate(parent, name);
+ if (errCode) {
+ throw new FS.ErrnoError(errCode);
+ }
+ if (!parent.node_ops.mknod) {
+ throw new FS.ErrnoError(63);
+ }
+ return parent.node_ops.mknod(parent, name, mode, dev);
+ },
+ create(path, mode) {
+ mode = mode !== undefined ? mode : 438 /* 0666 */;
+ mode &= 4095;
+ mode |= 32768;
+ return FS.mknod(path, mode, 0);
+ },
+ mkdir(path, mode) {
+ mode = mode !== undefined ? mode : 511 /* 0777 */;
+ mode &= 511 | 512;
+ mode |= 16384;
+ return FS.mknod(path, mode, 0);
+ },
+ mkdirTree(path, mode) {
+ var dirs = path.split('/');
+ var d = '';
+ for (var i = 0; i < dirs.length; ++i) {
+ if (!dirs[i]) continue;
+ d += '/' + dirs[i];
+ try {
+ FS.mkdir(d, mode);
+ } catch(e) {
+ if (e.errno != 20) throw e;
+ }
+ }
+ },
+ mkdev(path, mode, dev) {
+ if (typeof dev == 'undefined') {
+ dev = mode;
+ mode = 438 /* 0666 */;
+ }
+ 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) {
+ // not fatal
+ }
+ // 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;
+ if (!node.node_ops.readdir) {
+ throw new FS.ErrnoError(54);
+ }
+ return node.node_ops.readdir(node);
+ },
+ unlink(path) {
+ var lookup = FS.lookupPath(path, { parent: true });
+ var parent = lookup.node;
+ if (!parent) {
+ throw new FS.ErrnoError(44);
+ }
+ var name = PATH.basename(path);
+ var node = FS.lookupNode(parent, name);
+ var errCode = FS.mayDelete(parent, name, false);
+ if (errCode) {
+ // 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 PATH_FS.resolve(FS.getPath(link.parent), link.node_ops.readlink(link));
+ },
+ stat(path, dontFollow) {
+ var lookup = FS.lookupPath(path, { follow: !dontFollow });
+ var node = lookup.node;
+ if (!node) {
+ throw new FS.ErrnoError(44);
+ }
+ if (!node.node_ops.getattr) {
+ throw new FS.ErrnoError(63);
+ }
+ return node.node_ops.getattr(node);
+ },
+ lstat(path) {
+ return FS.stat(path, true);
+ },
+ chmod(path, mode, dontFollow) {
+ var node;
+ if (typeof path == 'string') {
+ var lookup = FS.lookupPath(path, { follow: !dontFollow });
+ node = lookup.node;
+ } else {
+ node = path;
+ }
+ if (!node.node_ops.setattr) {
+ throw new FS.ErrnoError(63);
+ }
+ node.node_ops.setattr(node, {
+ mode: (mode & 4095) | (node.mode & ~4095),
+ timestamp: Date.now()
+ });
+ },
+ lchmod(path, mode) {
+ FS.chmod(path, mode, true);
+ },
+ fchmod(fd, mode) {
+ var stream = FS.getStreamChecked(fd);
+ FS.chmod(stream.node, mode);
+ },
+ chown(path, uid, gid, dontFollow) {
+ var node;
+ if (typeof path == 'string') {
+ var lookup = FS.lookupPath(path, { follow: !dontFollow });
+ node = lookup.node;
+ } else {
+ node = path;
+ }
+ if (!node.node_ops.setattr) {
+ throw new FS.ErrnoError(63);
+ }
+ node.node_ops.setattr(node, {
+ timestamp: Date.now()
+ // we ignore the uid / gid for now
+ });
+ },
+ lchown(path, uid, gid) {
+ FS.chown(path, uid, gid, true);
+ },
+ fchown(fd, uid, gid) {
+ var stream = FS.getStreamChecked(fd);
+ FS.chown(stream.node, uid, gid);
+ },
+ truncate(path, len) {
+ if (len < 0) {
+ throw new FS.ErrnoError(28);
+ }
+ var node;
+ if (typeof path == 'string') {
+ var lookup = FS.lookupPath(path, { follow: true });
+ node = lookup.node;
+ } else {
+ node = path;
+ }
+ if (!node.node_ops.setattr) {
+ throw new FS.ErrnoError(63);
+ }
+ if (FS.isDir(node.mode)) {
+ throw new FS.ErrnoError(31);
+ }
+ if (!FS.isFile(node.mode)) {
+ throw new FS.ErrnoError(28);
+ }
+ var errCode = FS.nodePermissions(node, 'w');
+ if (errCode) {
+ throw new FS.ErrnoError(errCode);
+ }
+ node.node_ops.setattr(node, {
+ size: len,
+ timestamp: Date.now()
+ });
+ },
+ ftruncate(fd, len) {
+ var stream = FS.getStreamChecked(fd);
+ if ((stream.flags & 2097155) === 0) {
+ throw new FS.ErrnoError(28);
+ }
+ FS.truncate(stream.node, len);
+ },
+ utime(path, atime, mtime) {
+ var lookup = FS.lookupPath(path, { follow: true });
+ var node = lookup.node;
+ node.node_ops.setattr(node, {
+ timestamp: Math.max(atime, mtime)
+ });
+ },
+ open(path, flags, mode) {
+ if (path === "") {
+ throw new FS.ErrnoError(44);
+ }
+ flags = typeof flags == 'string' ? FS_modeStringToFlags(flags) : flags;
+ if ((flags & 64)) {
+ mode = typeof mode == 'undefined' ? 438 /* 0666 */ : mode;
+ mode = (mode & 4095) | 32768;
+ } else {
+ mode = 0;
+ }
+ var node;
+ if (typeof path == 'object') {
+ node = path;
+ } else {
+ path = PATH.normalize(path);
+ try {
+ var lookup = FS.lookupPath(path, {
+ follow: !(flags & 131072)
+ });
+ node = lookup.node;
+ } catch (e) {
+ // ignore
+ }
+ }
+ // 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 {
+ // node doesn't exist, try to create it
+ node = FS.mknod(path, mode, 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 (Module['logReadFiles'] && !(flags & 1)) {
+ if (!FS.readFiles) FS.readFiles = {};
+ if (!(path in FS.readFiles)) {
+ FS.readFiles[path] = 1;
+ }
+ }
+ return stream;
+ },
+ close(stream) {
+ if (FS.isClosed(stream)) {
+ throw new FS.ErrnoError(8);
+ }
+ if (stream.getdents) stream.getdents = null; // 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;
+ },
+ allocate(stream, offset, length) {
+ if (FS.isClosed(stream)) {
+ throw new FS.ErrnoError(8);
+ }
+ if (offset < 0 || length <= 0) {
+ throw new FS.ErrnoError(28);
+ }
+ if ((stream.flags & 2097155) === 0) {
+ throw new FS.ErrnoError(8);
+ }
+ if (!FS.isFile(stream.node.mode) && !FS.isDir(stream.node.mode)) {
+ throw new FS.ErrnoError(43);
+ }
+ if (!stream.stream_ops.allocate) {
+ throw new FS.ErrnoError(138);
+ }
+ stream.stream_ops.allocate(stream, offset, length);
+ },
+ mmap(stream, length, position, prot, flags) {
+ // 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);
+ }
+ 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 ret;
+ var stream = FS.open(path, opts.flags);
+ var stat = FS.stat(path);
+ var length = stat.size;
+ var buf = new Uint8Array(length);
+ FS.read(stream, buf, 0, length, 0);
+ if (opts.encoding === 'utf8') {
+ ret = UTF8ArrayToString(buf, 0);
+ } else if (opts.encoding === 'binary') {
+ ret = buf;
+ }
+ FS.close(stream);
+ return ret;
+ },
+ writeFile(path, data, opts = {}) {
+ opts.flags = opts.flags || 577;
+ var stream = FS.open(path, opts.flags, opts.mode);
+ if (typeof data == 'string') {
+ var buf = new Uint8Array(lengthBytesUTF8(data)+1);
+ var actualNumBytes = stringToUTF8Array(data, buf, 0, buf.length);
+ FS.write(stream, buf, 0, actualNumBytes, undefined, opts.canOwn);
+ } else if (ArrayBuffer.isView(data)) {
+ FS.write(stream, data, 0, data.byteLength, undefined, opts.canOwn);
+ } else {
+ throw new Error('Unsupported data type');
+ }
+ FS.close(stream);
+ },
+ cwd:() => FS.currentPath,
+ chdir(path) {
+ var lookup = FS.lookupPath(path, { follow: true });
+ if (lookup.node === null) {
+ throw new FS.ErrnoError(44);
+ }
+ if (!FS.isDir(lookup.node.mode)) {
+ throw new FS.ErrnoError(54);
+ }
+ var errCode = FS.nodePermissions(lookup.node, 'x');
+ if (errCode) {
+ throw new FS.ErrnoError(errCode);
+ }
+ FS.currentPath = lookup.path;
+ },
+ createDefaultDirectories() {
+ FS.mkdir('/tmp');
+ FS.mkdir('/home');
+ FS.mkdir('/home/web_user');
+ },
+ createDefaultDevices() {
+ // create /dev
+ FS.mkdir('/dev');
+ // setup /dev/null
+ FS.registerDevice(FS.makedev(1, 3), {
+ read: () => 0,
+ write: (stream, buffer, offset, length, pos) => length,
+ });
+ 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) {
+ randomLeft = randomFill(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', 16384 | 511 /* 0777 */, 73);
+ 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 },
+ };
+ ret.parent = ret; // make it look like a simple root node
+ return ret;
+ }
+ };
+ return node;
+ }
+ }, {}, '/proc/self/fd');
+ },
+ createStandardStreams() {
+ // 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 (Module['stdin']) {
+ FS.createDevice('/dev', 'stdin', Module['stdin']);
+ } else {
+ FS.symlink('/dev/tty', '/dev/stdin');
+ }
+ if (Module['stdout']) {
+ FS.createDevice('/dev', 'stdout', null, Module['stdout']);
+ } else {
+ FS.symlink('/dev/tty', '/dev/stdout');
+ }
+ if (Module['stderr']) {
+ FS.createDevice('/dev', 'stderr', null, Module['stderr']);
+ } else {
+ FS.symlink('/dev/tty1', '/dev/stderr');
+ }
+
+ // 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() {
+ // Some errors may happen quite a bit, to avoid overhead we reuse them (and suffer a lack of stack info)
+ [44].forEach((code) => {
+ FS.genericErrors[code] = new FS.ErrnoError(code);
+ FS.genericErrors[code].stack = '';
+ });
+
+ FS.nameTable = new Array(4096);
+
+ FS.mount(MEMFS, {}, '/');
+
+ FS.createDefaultDirectories();
+ FS.createDefaultDevices();
+ FS.createSpecialDirectories();
+
+ FS.filesystems = {
+ 'MEMFS': MEMFS,
+ };
+ },
+ init(input, output, error) {
+ assert(!FS.init.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.init.initialized = true;
+
+ // Allow Module.stdin etc. to provide defaults, if none explicitly passed to us here
+ Module['stdin'] = input || Module['stdin'];
+ Module['stdout'] = output || Module['stdout'];
+ Module['stderr'] = error || Module['stderr'];
+
+ FS.createStandardStreams();
+ },
+ quit() {
+ FS.init.initialized = false;
+ // force-flush all streams, so we get musl std streams printed out
+ _fflush(0);
+ // close all of our streams
+ for (var i = 0; i < FS.streams.length; i++) {
+ var stream = FS.streams[i];
+ if (!stream) {
+ continue;
+ }
+ 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) {
+ // ignore EEXIST
+ }
+ 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);
+ if (!FS.createDevice.major) 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 /* ignored */) {
+ var bytesRead = 0;
+ for (var i = 0; i < length; i++) {
+ var result;
+ try {
+ result = input();
+ } catch (e) {
+ throw new FS.ErrnoError(29);
+ }
+ if (result === undefined && bytesRead === 0) {
+ throw new FS.ErrnoError(6);
+ }
+ if (result === null || result === undefined) break;
+ bytesRead++;
+ buffer[offset+i] = result;
+ }
+ if (bytesRead) {
+ stream.node.timestamp = Date.now();
+ }
+ return bytesRead;
+ },
+ write(stream, buffer, offset, length, pos) {
+ for (var i = 0; i < length; i++) {
+ try {
+ output(buffer[offset+i]);
+ } catch (e) {
+ throw new FS.ErrnoError(29);
+ }
+ }
+ if (length) {
+ stream.node.timestamp = Date.now();
+ }
+ return i;
+ }
+ });
+ return FS.mkdev(path, mode, dev);
+ },
+ forceLoadFile(obj) {
+ if (obj.isDevice || obj.isFolder || obj.link || obj.contents) return true;
+ if (typeof XMLHttpRequest != 'undefined') {
+ throw new Error("Lazy loading should have been performed (contents set) in createLazyFile, but it was not. Lazy loading only works in web workers. Use --embed-file or --preload-file in emcc on the main thread.");
+ } else { // 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 {
+ constructor() {
+ this.lengthKnown = false;
+ this.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} */(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: 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 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 PATH.join2(dir, path);
+ },
+ doStat(func, path, buf) {
+ var stat = func(path);
+ HEAP32[((buf)>>2)] = stat.dev;
+ HEAP32[(((buf)+(4))>>2)] = stat.mode;
+ HEAPU32[(((buf)+(8))>>2)] = stat.nlink;
+ HEAP32[(((buf)+(12))>>2)] = stat.uid;
+ HEAP32[(((buf)+(16))>>2)] = stat.gid;
+ HEAP32[(((buf)+(20))>>2)] = stat.rdev;
+ (tempI64 = [stat.size>>>0,(tempDouble = stat.size,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? (+(Math.floor((tempDouble)/4294967296.0)))>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)], HEAP32[(((buf)+(24))>>2)] = tempI64[0],HEAP32[(((buf)+(28))>>2)] = tempI64[1]);
+ HEAP32[(((buf)+(32))>>2)] = 4096;
+ HEAP32[(((buf)+(36))>>2)] = stat.blocks;
+ var atime = stat.atime.getTime();
+ var mtime = stat.mtime.getTime();
+ var ctime = stat.ctime.getTime();
+ (tempI64 = [Math.floor(atime / 1000)>>>0,(tempDouble = Math.floor(atime / 1000),(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? (+(Math.floor((tempDouble)/4294967296.0)))>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)], HEAP32[(((buf)+(40))>>2)] = tempI64[0],HEAP32[(((buf)+(44))>>2)] = tempI64[1]);
+ HEAPU32[(((buf)+(48))>>2)] = (atime % 1000) * 1000;
+ (tempI64 = [Math.floor(mtime / 1000)>>>0,(tempDouble = Math.floor(mtime / 1000),(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? (+(Math.floor((tempDouble)/4294967296.0)))>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)], HEAP32[(((buf)+(56))>>2)] = tempI64[0],HEAP32[(((buf)+(60))>>2)] = tempI64[1]);
+ HEAPU32[(((buf)+(64))>>2)] = (mtime % 1000) * 1000;
+ (tempI64 = [Math.floor(ctime / 1000)>>>0,(tempDouble = Math.floor(ctime / 1000),(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? (+(Math.floor((tempDouble)/4294967296.0)))>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)], HEAP32[(((buf)+(72))>>2)] = tempI64[0],HEAP32[(((buf)+(76))>>2)] = tempI64[1]);
+ HEAPU32[(((buf)+(80))>>2)] = (ctime % 1000) * 1000;
+ (tempI64 = [stat.ino>>>0,(tempDouble = stat.ino,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? (+(Math.floor((tempDouble)/4294967296.0)))>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)], HEAP32[(((buf)+(88))>>2)] = tempI64[0],HEAP32[(((buf)+(92))>>2)] = tempI64[1]);
+ return 0;
+ },
+ 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_fcntl64(fd, cmd, varargs) {
+ 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)] = 2;
+ return 0;
+ }
+ case 13:
+ case 14:
+ return 0; // Pretend that the locking is successful.
+ }
+ return -28;
+ } catch (e) {
+ if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e;
+ return -e.errno;
+ }
+ }
+
+
+ function ___syscall_ioctl(fd, op, varargs) {
+ 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)] = termios.c_iflag || 0;
+ HEAP32[(((argp)+(4))>>2)] = termios.c_oflag || 0;
+ HEAP32[(((argp)+(8))>>2)] = termios.c_cflag || 0;
+ HEAP32[(((argp)+(12))>>2)] = termios.c_lflag || 0;
+ for (var i = 0; i < 32; i++) {
+ HEAP8[(argp + i)+(17)] = termios.c_cc[i] || 0;
+ }
+ return 0;
+ }
+ return 0;
+ }
+ case 21510:
+ case 21511:
+ case 21512: {
+ if (!stream.tty) return -59;
+ return 0; // no-op, not actually adjusting terminal settings
+ }
+ 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)];
+ var c_oflag = HEAP32[(((argp)+(4))>>2)];
+ var c_cflag = HEAP32[(((argp)+(8))>>2)];
+ var c_lflag = HEAP32[(((argp)+(12))>>2)];
+ var c_cc = []
+ for (var i = 0; i < 32; i++) {
+ c_cc.push(HEAP8[(argp + i)+(17)]);
+ }
+ return stream.tty.ops.ioctl_tcsets(stream.tty, op, { c_iflag, c_oflag, c_cflag, c_lflag, c_cc });
+ }
+ return 0; // no-op, not actually adjusting terminal settings
+ }
+ case 21519: {
+ if (!stream.tty) return -59;
+ var argp = syscallGetVarargP();
+ HEAP32[((argp)>>2)] = 0;
+ return 0;
+ }
+ case 21520: {
+ if (!stream.tty) return -59;
+ return -28; // not supported
+ }
+ 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)] = winsize[0];
+ HEAP16[(((argp)+(2))>>1)] = 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; // not supported
+ }
+ } catch (e) {
+ if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e;
+ return -e.errno;
+ }
+ }
+
+
+ function ___syscall_openat(dirfd, path, flags, varargs) {
+ 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;
+ }
+ }
+
+ var __abort_js = () => {
+ abort('native code called abort()');
+ };
+
+ var nowIsMonotonic = 1;
+ var __emscripten_get_now_is_monotonic = () => nowIsMonotonic;
+
+ var __emscripten_memcpy_js = (dest, src, num) => HEAPU8.copyWithin(dest, src, src + num);
+
+ var __emscripten_throw_longjmp = () => {
+ throw Infinity;
+ };
+
+ 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);
+ };
+
+ var __tzset_js = (timezone, daylight, std_name, dst_name) => {
+ // 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)] = stdTimezoneOffset * 60;
+
+ HEAP32[((daylight)>>2)] = 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_set_main_loop_timing = (mode, value) => {
+ Browser.mainLoop.timingMode = mode;
+ Browser.mainLoop.timingValue = value;
+
+ if (!Browser.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; // Return non-zero on failure, can't set timing mode when there is no main loop.
+ }
+
+ if (!Browser.mainLoop.running) {
+
+ Browser.mainLoop.running = true;
+ }
+ if (mode == 0) {
+ Browser.mainLoop.scheduler = function Browser_mainLoop_scheduler_setTimeout() {
+ var timeUntilNextTick = Math.max(0, Browser.mainLoop.tickStartTime + value - _emscripten_get_now())|0;
+ setTimeout(Browser.mainLoop.runner, timeUntilNextTick); // doing this each time means that on exception, we stop
+ };
+ Browser.mainLoop.method = 'timeout';
+ } else if (mode == 1) {
+ Browser.mainLoop.scheduler = function Browser_mainLoop_scheduler_rAF() {
+ Browser.requestAnimationFrame(Browser.mainLoop.runner);
+ };
+ Browser.mainLoop.method = 'rAF';
+ } else if (mode == 2) {
+ if (typeof Browser.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 Browser_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", Browser_setImmediate_messageHandler, true);
+ Browser.setImmediate = /** @type{function(function(): ?, ...?): number} */(function Browser_emulated_setImmediate(func) {
+ setImmediates.push(func);
+ if (ENVIRONMENT_IS_WORKER) {
+ Module['setImmediates'] ??= [];
+ Module['setImmediates'].push(func);
+ postMessage({target: emscriptenMainLoopMessageId}); // In --proxy-to-worker, route the message via proxyClient.js
+ } else postMessage(emscriptenMainLoopMessageId, "*"); // On the main thread, can just send the message to itself.
+ });
+ } else {
+ Browser.setImmediate = setImmediate;
+ }
+ }
+ Browser.mainLoop.scheduler = function Browser_mainLoop_scheduler_setImmediate() {
+ Browser.setImmediate(Browser.mainLoop.runner);
+ };
+ Browser.mainLoop.method = 'immediate';
+ }
+ return 0;
+ };
+
+ var _emscripten_get_now;
+ // Modern environment where performance.now() is supported:
+ // N.B. a shorter form "_emscripten_get_now = performance.now;" is
+ // unfortunately not allowed even in current browsers (e.g. FF Nightly 75).
+ _emscripten_get_now = () => performance.now();
+ ;
+
+
+ /**
+ * @param {number=} arg
+ * @param {boolean=} noSetTiming
+ */
+ var setMainLoop = (browserIterationFunc, fps, simulateInfiniteLoop, arg, noSetTiming) => {
+ assert(!Browser.mainLoop.func, 'emscripten_set_main_loop: there can only be one main loop function at once: call emscripten_cancel_main_loop to cancel the previous one before setting a new one with different parameters.');
+ Browser.mainLoop.func = browserIterationFunc;
+ Browser.mainLoop.arg = arg;
+
+ // Closure compiler bug(?): Closure does not see that the assignment
+ // var thisMainLoopId = Browser.mainLoop.currentlyRunningMainloop
+ // is a value copy of a number (even with the JSDoc @type annotation)
+ // but optimizeis the code as if the assignment was a reference assignment,
+ // which results in Browser.mainLoop.pause() not working. Hence use a
+ // workaround to make Closure believe this is a value copy that should occur:
+ // (TODO: Minimize this down to a small test case and report - was unable
+ // to reproduce in a small written test case)
+ /** @type{number} */
+ var thisMainLoopId = (() => Browser.mainLoop.currentlyRunningMainloop)();
+ function checkIsRunning() {
+ if (thisMainLoopId < Browser.mainLoop.currentlyRunningMainloop) {
+
+ 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.
+ Browser.mainLoop.running = false;
+ Browser.mainLoop.runner = function Browser_mainLoop_runner() {
+ if (ABORT) return;
+ if (Browser.mainLoop.queue.length > 0) {
+ var start = Date.now();
+ var blocker = Browser.mainLoop.queue.shift();
+ blocker.func(blocker.arg);
+ if (Browser.mainLoop.remainingBlockers) {
+ var remaining = Browser.mainLoop.remainingBlockers;
+ var next = remaining%1 == 0 ? remaining-1 : Math.floor(remaining);
+ if (blocker.counted) {
+ Browser.mainLoop.remainingBlockers = next;
+ } else {
+ // not counted, but move the progress along a tiny bit
+ next = next + 0.5; // do not steal all the next one's progress
+ Browser.mainLoop.remainingBlockers = (8*remaining + next)/9;
+ }
+ }
+ Browser.mainLoop.updateStatus();
+
+ // catches pause/resume main loop from blocker execution
+ if (!checkIsRunning()) return;
+
+ setTimeout(Browser.mainLoop.runner, 0);
+ return;
+ }
+
+ // catch pauses from non-main loop sources
+ if (!checkIsRunning()) return;
+
+ // Implement very basic swap interval control
+ Browser.mainLoop.currentFrameNumber = Browser.mainLoop.currentFrameNumber + 1 | 0;
+ if (Browser.mainLoop.timingMode == 1 && Browser.mainLoop.timingValue > 1 && Browser.mainLoop.currentFrameNumber % Browser.mainLoop.timingValue != 0) {
+ // Not the scheduled time to render this frame - skip.
+ Browser.mainLoop.scheduler();
+ return;
+ } else if (Browser.mainLoop.timingMode == 0) {
+ Browser.mainLoop.tickStartTime = _emscripten_get_now();
+ }
+
+ // Signal GL rendering layer that processing of a new frame is about to start. This helps it optimize
+ // VBO double-buffering and reduce GPU stalls.
+
+ if (Browser.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!');
+ Browser.mainLoop.method = ''; // just warn once per call to set main loop
+ }
+
+ Browser.mainLoop.runIter(browserIterationFunc);
+
+ checkStackCookie();
+
+ // catch pauses from the main loop itself
+ if (!checkIsRunning()) return;
+
+ // Queue new audio data. This is important to be right after the main loop invocation, so that we will immediately be able
+ // to queue the newest produced audio samples.
+ // TODO: Consider adding pre- and post- rAF callbacks so that GL.newRenderingFrameStarted() and SDL.audio.queueNewAudioData()
+ // do not need to be hardcoded into this function, but can be more generic.
+ if (typeof SDL == 'object') SDL.audio?.queueNewAudioData?.();
+
+ Browser.mainLoop.scheduler();
+ }
+
+ if (!noSetTiming) {
+ if (fps && fps > 0) {
+ _emscripten_set_main_loop_timing(0, 1000.0 / fps);
+ } else {
+ // Do rAF by rendering each frame (no decimating)
+ _emscripten_set_main_loop_timing(1, 1);
+ }
+
+ Browser.mainLoop.scheduler();
+ }
+
+ if (simulateInfiniteLoop) {
+ throw 'unwind';
+ }
+ };
+
+ 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)`;
+ 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);
+ }
+ };
+
+ /** @param {number=} timeout */
+ var safeSetTimeout = (func, timeout) => {
+
+ return setTimeout(() => {
+
+ callUserCallback(func);
+ }, timeout);
+ };
+
+
+
+
+ var Browser = {
+ mainLoop:{
+ running:false,
+ scheduler:null,
+ method:"",
+ currentlyRunningMainloop:0,
+ func:null,
+ arg:0,
+ timingMode:0,
+ timingValue:0,
+ currentFrameNumber:0,
+ queue:[],
+ pause() {
+ Browser.mainLoop.scheduler = null;
+ // Incrementing this signals the previous main loop that it's now become old, and it must return.
+ Browser.mainLoop.currentlyRunningMainloop++;
+ },
+ resume() {
+ Browser.mainLoop.currentlyRunningMainloop++;
+ var timingMode = Browser.mainLoop.timingMode;
+ var timingValue = Browser.mainLoop.timingValue;
+ var func = Browser.mainLoop.func;
+ Browser.mainLoop.func = null;
+ // do not set timing and call scheduler, we will do it on the next lines
+ setMainLoop(func, 0, false, Browser.mainLoop.arg, true);
+ _emscripten_set_main_loop_timing(timingMode, timingValue);
+ Browser.mainLoop.scheduler();
+ },
+ updateStatus() {
+ if (Module['setStatus']) {
+ var message = Module['statusMessage'] || 'Please wait...';
+ var remaining = Browser.mainLoop.remainingBlockers;
+ var expected = Browser.mainLoop.expectedBlockers;
+ if (remaining) {
+ if (remaining < expected) {
+ Module['setStatus'](`{message} ({expected - remaining}/{expected})`);
+ } else {
+ Module['setStatus'](message);
+ }
+ } else {
+ Module['setStatus']('');
+ }
+ }
+ },
+ runIter(func) {
+ if (ABORT) return;
+ if (Module['preMainLoop']) {
+ var preRet = Module['preMainLoop']();
+ if (preRet === false) {
+ return; // |return false| skips a frame
+ }
+ }
+ callUserCallback(func);
+ Module['postMainLoop']?.();
+ },
+ },
+ isFullscreen:false,
+ pointerLock:false,
+ moduleContextCreatedCallbacks:[],
+ workers:[],
+ 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)$/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);
+ 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.substr(-4) in { '.ogg': 1, '.wav': 1, '.mp3': 1 };
+ };
+ audioPlugin['handle'] = function audioPlugin_handle(byteArray, name, onload, onerror) {
+ var done = false;
+ function finish(audio) {
+ if (done) return;
+ done = true;
+ preloadedAudios[name] = audio;
+ onload?.(byteArray);
+ }
+ function fail() {
+ if (done) return;
+ done = true;
+ 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)) & 0x3f;
+ leftbits -= 6;
+ ret += BASE[curr];
+ }
+ }
+ if (leftbits == 2) {
+ ret += BASE[(leftchar&3) << 4];
+ ret += PAD + PAD;
+ } else if (leftbits == 4) {
+ ret += BASE[(leftchar&0xf) << 2];
+ ret += PAD;
+ }
+ return ret;
+ }
+ audio.src = 'data:audio/x-' + name.substr(-3) + ';base64,' + encode64(byteArray);
+ finish(audio); // we don't wait for confirmation this worked - but it's worth trying
+ };
+ audio.src = url;
+ // workaround for chrome bug 124926 - we do not always get oncanplaythrough or onerror
+ safeSetTimeout(() => {
+ finish(audio); // try to use it even though it is not necessarily ready to play
+ }, 10000);
+ };
+ preloadPlugins.push(audioPlugin);
+
+ // Canvas event setup
+
+ function pointerLockChange() {
+ Browser.pointerLock = document['pointerLockElement'] === Module['canvas'] ||
+ document['mozPointerLockElement'] === Module['canvas'] ||
+ document['webkitPointerLockElement'] === Module['canvas'] ||
+ document['msPointerLockElement'] === Module['canvas'];
+ }
+ var canvas = Module['canvas'];
+ if (canvas) {
+ // forced aspect ratio can be enabled by defining 'forcedAspectRatio' on Module
+ // Module['forcedAspectRatio'] = 4 / 3;
+
+ canvas.requestPointerLock = canvas['requestPointerLock'] ||
+ canvas['mozRequestPointerLock'] ||
+ canvas['webkitRequestPointerLock'] ||
+ canvas['msRequestPointerLock'] ||
+ (() => {});
+ canvas.exitPointerLock = document['exitPointerLock'] ||
+ document['mozExitPointerLock'] ||
+ document['webkitExitPointerLock'] ||
+ document['msExitPointerLock'] ||
+ (() => {}); // no-op if function does not exist
+ canvas.exitPointerLock = canvas.exitPointerLock.bind(document);
+
+ document.addEventListener('pointerlockchange', pointerLockChange, false);
+ document.addEventListener('mozpointerlockchange', pointerLockChange, false);
+ document.addEventListener('webkitpointerlockchange', pointerLockChange, false);
+ document.addEventListener('mspointerlockchange', pointerLockChange, false);
+
+ if (Module['elementPointerLock']) {
+ canvas.addEventListener("click", (ev) => {
+ if (!Browser.pointerLock && Module['canvas'].requestPointerLock) {
+ Module['canvas'].requestPointerLock();
+ ev.preventDefault();
+ }
+ }, false);
+ }
+ }
+ },
+ createContext(/** @type {HTMLCanvasElement} */ canvas, useWebGL, setInModule, webGLContextAttributes) {
+ if (useWebGL && Module.ctx && canvas == Module.canvas) 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);
+ Module.useWebGL = useWebGL;
+ Browser.moduleContextCreatedCallbacks.forEach((callback) => callback());
+ Browser.init();
+ }
+ return ctx;
+ },
+ destroyContext(canvas, useWebGL, setInModule) {},
+ 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 = Module['canvas'];
+ function fullscreenChange() {
+ Browser.isFullscreen = false;
+ var canvasContainer = canvas.parentNode;
+ if ((document['fullscreenElement'] || document['mozFullScreenElement'] ||
+ document['msFullscreenElement'] || document['webkitFullscreenElement'] ||
+ document['webkitCurrentFullScreenElement']) === canvasContainer) {
+ canvas.exitFullscreen = Browser.exitFullscreen;
+ if (Browser.lockPointer) canvas.requestPointerLock();
+ Browser.isFullscreen = true;
+ if (Browser.resizeCanvas) {
+ Browser.setFullscreenCanvasSize();
+ } else {
+ Browser.updateCanvasDimensions(canvas);
+ }
+ } else {
+ // 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;
+ },
+ nextRAF:0,
+ fakeRequestAnimationFrame(func) {
+ // try to keep 60fps between calls to here
+ var now = Date.now();
+ if (Browser.nextRAF === 0) {
+ Browser.nextRAF = now + 1000/60;
+ } else {
+ while (now + 2 >= Browser.nextRAF) { // fudge a little, to avoid timer jitter causing us to do lots of delay:0
+ Browser.nextRAF += 1000/60;
+ }
+ }
+ var delay = Math.max(Browser.nextRAF - now, 0);
+ setTimeout(func, delay);
+ },
+ requestAnimationFrame(func) {
+ if (typeof requestAnimationFrame == 'function') {
+ requestAnimationFrame(func);
+ return;
+ }
+ var RAF = Browser.fakeRequestAnimationFrame;
+ RAF(func);
+ },
+ 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);
+ },
+ safeRequestAnimationFrame(func) {
+
+ return Browser.requestAnimationFrame(() => {
+
+ callUserCallback(func);
+ });
+ },
+ 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.substr(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 rect = Module["canvas"].getBoundingClientRect();
+ var cw = Module["canvas"].width;
+ var ch = Module["canvas"].height;
+
+ // 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 * (cw / rect.width);
+ adjustedY = adjustedY * (ch / 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; // the "touch" property is only defined in SDL
+
+ }
+ 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 = Module['canvas'];
+ Browser.resizeListeners.forEach((listener) => listener(canvas.width, canvas.height));
+ },
+ setCanvasSize(width, height, noUpdates) {
+ var canvas = Module['canvas'];
+ 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)];
+ flags = flags | 0x00800000; // set SDL_FULLSCREEN flag
+ HEAP32[((SDL.screen)>>2)] = flags;
+ }
+ Browser.updateCanvasDimensions(Module['canvas']);
+ Browser.updateResizeListeners();
+ },
+ setWindowedCanvasSize() {
+ // check if SDL is available
+ if (typeof SDL != "undefined") {
+ var flags = HEAPU32[((SDL.screen)>>2)];
+ flags = flags & ~0x00800000; // clear SDL_FULLSCREEN flag
+ HEAP32[((SDL.screen)>>2)] = flags;
+ }
+ Browser.updateCanvasDimensions(Module['canvas']);
+ 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'] && Module['forcedAspectRatio'] > 0) {
+ if (w/h < Module['forcedAspectRatio']) {
+ w = Math.round(h * Module['forcedAspectRatio']);
+ } else {
+ h = Math.round(w / Module['forcedAspectRatio']);
+ }
+ }
+ if (((document['fullscreenElement'] || document['mozFullScreenElement'] ||
+ document['msFullscreenElement'] || document['webkitFullscreenElement'] ||
+ document['webkitCurrentFullScreenElement']) === canvas.parentNode) && (typeof screen != 'undefined')) {
+ var factor = Math.min(screen.width / w, screen.height / h);
+ w = Math.round(w * factor);
+ h = Math.round(h * factor);
+ }
+ if (Browser.resizeCanvas) {
+ if (canvas.width != w) canvas.width = w;
+ if (canvas.height != h) canvas.height = h;
+ if (typeof canvas.style != 'undefined') {
+ canvas.style.removeProperty( "width");
+ canvas.style.removeProperty("height");
+ }
+ } else {
+ if (canvas.width != wNative) canvas.width = wNative;
+ if (canvas.height != hNative) canvas.height = hNative;
+ if (typeof canvas.style != 'undefined') {
+ if (w != wNative || h != hNative) {
+ canvas.style.setProperty( "width", w + "px", "important");
+ canvas.style.setProperty("height", h + "px", "important");
+ } else {
+ canvas.style.removeProperty( "width");
+ canvas.style.removeProperty("height");
+ }
+ }
+ }
+ },
+ };
+
+ 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 != 62000) {
+ EGL.setErrorCode(0x3008 /* EGL_BAD_DISPLAY */);
+ return 0;
+ }
+
+ if (attribList) {
+ // read attribList if it is non-null
+ for (;;) {
+ var param = HEAP32[((attribList)>>2)];
+ if (param == 0x3021 /*EGL_ALPHA_SIZE*/) {
+ var alphaSize = HEAP32[(((attribList)+(4))>>2)];
+ EGL.contextAttributes.alpha = (alphaSize > 0);
+ } else if (param == 0x3025 /*EGL_DEPTH_SIZE*/) {
+ var depthSize = HEAP32[(((attribList)+(4))>>2)];
+ EGL.contextAttributes.depth = (depthSize > 0);
+ } else if (param == 0x3026 /*EGL_STENCIL_SIZE*/) {
+ var stencilSize = HEAP32[(((attribList)+(4))>>2)];
+ EGL.contextAttributes.stencil = (stencilSize > 0);
+ } else if (param == 0x3031 /*EGL_SAMPLES*/) {
+ var samples = HEAP32[(((attribList)+(4))>>2)];
+ EGL.contextAttributes.antialias = (samples > 0);
+ } else if (param == 0x3032 /*EGL_SAMPLE_BUFFERS*/) {
+ var samples = HEAP32[(((attribList)+(4))>>2)];
+ EGL.contextAttributes.antialias = (samples == 1);
+ } else if (param == 0x3100 /*EGL_CONTEXT_PRIORITY_LEVEL_IMG*/) {
+ var requestedPriority = HEAP32[(((attribList)+(4))>>2)];
+ EGL.contextAttributes.lowLatency = (requestedPriority != 0x3103 /*EGL_CONTEXT_PRIORITY_LOW_IMG*/);
+ } else if (param == 0x3038 /*EGL_NONE*/) {
+ break;
+ }
+ attribList += 8;
+ }
+ }
+
+ if ((!config || !config_size) && !numConfigs) {
+ EGL.setErrorCode(0x300C /* EGL_BAD_PARAMETER */);
+ return 0;
+ }
+ if (numConfigs) {
+ HEAP32[((numConfigs)>>2)] = 1; // Total number of supported configs: 1.
+ }
+ if (config && config_size > 0) {
+ HEAPU32[((config)>>2)] = 62002;
+ }
+
+ EGL.setErrorCode(0x3000 /* EGL_SUCCESS */);
+ return 1;
+ },
+ };
+ var _eglBindAPI = (api) => {
+ if (api == 0x30A0 /* EGL_OPENGL_ES_API */) {
+ EGL.setErrorCode(0x3000 /* EGL_SUCCESS */);
+ return 1;
+ }
+ // if (api == 0x30A1 /* EGL_OPENVG_API */ || api == 0x30A2 /* EGL_OPENGL_API */) {
+ EGL.setErrorCode(0x300C /* EGL_BAD_PARAMETER */);
+ return 0;
+ };
+
+ var _eglChooseConfig = (display, attrib_list, configs, config_size, numConfigs) => {
+ return EGL.chooseConfig(display, attrib_list, configs, config_size, numConfigs);
+ };
+
+ 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');
+ 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_WEBGL_multi_draw = (ctx) => {
+ // Closure is expected to be allowed to minify the '.multiDrawWebgl' property, so not accessing it quoted.
+ return !!(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_color_buffer_half_float',
+ 'EXT_depth_clamp',
+ 'EXT_float_blend',
+ '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',
+ ];
+ // .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(0x502 /* GL_INVALID_OPERATION */);
+ }
+ HEAP32[(((buffers)+(i*4))>>2)] = id;
+ }
+ },
+ getSource:(shader, count, string, length) => {
+ var source = '';
+ for (var i = 0; i < count; ++i) {
+ var len = length ? HEAPU32[(((length)+(i*4))>>2)] : undefined;
+ source += UTF8ToString(HEAPU32[(((string)+(i*4))>>2)], 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)
+ // https://caniuse.com/#feat=webgl
+ );
+
+ 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) => {
+ return 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] && 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 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");
+ }
+
+ webgl_enable_WEBGL_multi_draw(GLctx);
+
+ 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);
+ }
+ });
+ },
+ };
+
+ var _eglCreateContext = (display, config, hmm, contextAttribs) => {
+ if (display != 62000) {
+ EGL.setErrorCode(0x3008 /* EGL_BAD_DISPLAY */);
+ 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)];
+ if (param == 0x3098 /*EGL_CONTEXT_CLIENT_VERSION*/) {
+ glesContextVersion = HEAP32[(((contextAttribs)+(4))>>2)];
+ } else if (param == 0x3038 /*EGL_NONE*/) {
+ break;
+ } else {
+ /* EGL1.4 specifies only EGL_CONTEXT_CLIENT_VERSION as supported attribute */
+ EGL.setErrorCode(0x3004 /*EGL_BAD_ATTRIBUTE*/);
+ return 0;
+ }
+ contextAttribs += 8;
+ }
+ if (glesContextVersion != 2) {
+ EGL.setErrorCode(0x3005 /* EGL_BAD_CONFIG */);
+ return 0; /* EGL_NO_CONTEXT */
+ }
+
+ EGL.contextAttributes.majorVersion = glesContextVersion - 1; // WebGL 1 is GLES 2, WebGL2 is GLES3
+ EGL.contextAttributes.minorVersion = 0;
+
+ EGL.context = GL.createContext(Module['canvas'], EGL.contextAttributes);
+
+ if (EGL.context != 0) {
+ EGL.setErrorCode(0x3000 /* EGL_SUCCESS */);
+
+ // Run callbacks so that GL emulation works
+ GL.makeContextCurrent(EGL.context);
+ Module.useWebGL = true;
+ Browser.moduleContextCreatedCallbacks.forEach(function(callback) { callback() });
+
+ // Note: This function only creates a context, but it shall not make it active.
+ GL.makeContextCurrent(null);
+ return 62004;
+ } else {
+ EGL.setErrorCode(0x3009 /* EGL_BAD_MATCH */); // By the EGL 1.4 spec, an implementation that does not support GLES2 (WebGL in this case), this error code is set.
+ return 0; /* EGL_NO_CONTEXT */
+ }
+ };
+
+ var _eglCreateWindowSurface = (display, config, win, attrib_list) => {
+ if (display != 62000) {
+ EGL.setErrorCode(0x3008 /* EGL_BAD_DISPLAY */);
+ return 0;
+ }
+ if (config != 62002) {
+ EGL.setErrorCode(0x3005 /* EGL_BAD_CONFIG */);
+ 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(0x3000 /* EGL_SUCCESS */);
+ return 62006; /* Magic ID for Emscripten 'default surface' */
+ };
+
+
+ var _eglDestroyContext = (display, context) => {
+ if (display != 62000) {
+ EGL.setErrorCode(0x3008 /* EGL_BAD_DISPLAY */);
+ return 0;
+ }
+ if (context != 62004) {
+ EGL.setErrorCode(0x3006 /* EGL_BAD_CONTEXT */);
+ return 0;
+ }
+
+ GL.deleteContext(EGL.context);
+ EGL.setErrorCode(0x3000 /* EGL_SUCCESS */);
+ if (EGL.currentContext == context) {
+ EGL.currentContext = 0;
+ }
+ return 1 /* EGL_TRUE */;
+ };
+
+ var _eglDestroySurface = (display, surface) => {
+ if (display != 62000) {
+ EGL.setErrorCode(0x3008 /* EGL_BAD_DISPLAY */);
+ return 0;
+ }
+ if (surface != 62006 /* Magic ID for the only EGLSurface supported by Emscripten */) {
+ EGL.setErrorCode(0x300D /* EGL_BAD_SURFACE */);
+ return 1;
+ }
+ if (EGL.currentReadSurface == surface) {
+ EGL.currentReadSurface = 0;
+ }
+ if (EGL.currentDrawSurface == surface) {
+ EGL.currentDrawSurface = 0;
+ }
+ EGL.setErrorCode(0x3000 /* EGL_SUCCESS */);
+ return 1; /* Magic ID for Emscripten 'default surface' */
+ };
+
+ var _eglGetConfigAttrib = (display, config, attribute, value) => {
+ if (display != 62000) {
+ EGL.setErrorCode(0x3008 /* EGL_BAD_DISPLAY */);
+ return 0;
+ }
+ if (config != 62002) {
+ EGL.setErrorCode(0x3005 /* EGL_BAD_CONFIG */);
+ return 0;
+ }
+ if (!value) {
+ EGL.setErrorCode(0x300C /* EGL_BAD_PARAMETER */);
+ return 0;
+ }
+ EGL.setErrorCode(0x3000 /* EGL_SUCCESS */);
+ switch (attribute) {
+ case 0x3020: // EGL_BUFFER_SIZE
+ HEAP32[((value)>>2)] = EGL.contextAttributes.alpha ? 32 : 24;
+ return 1;
+ case 0x3021: // EGL_ALPHA_SIZE
+ HEAP32[((value)>>2)] = EGL.contextAttributes.alpha ? 8 : 0;
+ return 1;
+ case 0x3022: // EGL_BLUE_SIZE
+ HEAP32[((value)>>2)] = 8;
+ return 1;
+ case 0x3023: // EGL_GREEN_SIZE
+ HEAP32[((value)>>2)] = 8;
+ return 1;
+ case 0x3024: // EGL_RED_SIZE
+ HEAP32[((value)>>2)] = 8;
+ return 1;
+ case 0x3025: // EGL_DEPTH_SIZE
+ HEAP32[((value)>>2)] = EGL.contextAttributes.depth ? 24 : 0;
+ return 1;
+ case 0x3026: // EGL_STENCIL_SIZE
+ HEAP32[((value)>>2)] = EGL.contextAttributes.stencil ? 8 : 0;
+ return 1;
+ case 0x3027: // 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)] = 0x3038;
+ return 1;
+ case 0x3028: // EGL_CONFIG_ID
+ HEAP32[((value)>>2)] = 62002;
+ return 1;
+ case 0x3029: // EGL_LEVEL
+ HEAP32[((value)>>2)] = 0;
+ return 1;
+ case 0x302A: // EGL_MAX_PBUFFER_HEIGHT
+ HEAP32[((value)>>2)] = 4096;
+ return 1;
+ case 0x302B: // EGL_MAX_PBUFFER_PIXELS
+ HEAP32[((value)>>2)] = 16777216;
+ return 1;
+ case 0x302C: // EGL_MAX_PBUFFER_WIDTH
+ HEAP32[((value)>>2)] = 4096;
+ return 1;
+ case 0x302D: // EGL_NATIVE_RENDERABLE
+ HEAP32[((value)>>2)] = 0;
+ return 1;
+ case 0x302E: // EGL_NATIVE_VISUAL_ID
+ HEAP32[((value)>>2)] = 0;
+ return 1;
+ case 0x302F: // EGL_NATIVE_VISUAL_TYPE
+ HEAP32[((value)>>2)] = 0x3038;
+ return 1;
+ case 0x3031: // EGL_SAMPLES
+ HEAP32[((value)>>2)] = EGL.contextAttributes.antialias ? 4 : 0;
+ return 1;
+ case 0x3032: // EGL_SAMPLE_BUFFERS
+ HEAP32[((value)>>2)] = EGL.contextAttributes.antialias ? 1 : 0;
+ return 1;
+ case 0x3033: // EGL_SURFACE_TYPE
+ HEAP32[((value)>>2)] = 0x4;
+ return 1;
+ case 0x3034: // 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)] = 0x3038;
+ return 1;
+ case 0x3035: // EGL_TRANSPARENT_BLUE_VALUE
+ case 0x3036: // EGL_TRANSPARENT_GREEN_VALUE
+ case 0x3037: // 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)] = -1;
+ return 1;
+ case 0x3039: // EGL_BIND_TO_TEXTURE_RGB
+ case 0x303A: // EGL_BIND_TO_TEXTURE_RGBA
+ HEAP32[((value)>>2)] = 0;
+ return 1;
+ case 0x303B: // EGL_MIN_SWAP_INTERVAL
+ HEAP32[((value)>>2)] = 0;
+ return 1;
+ case 0x303C: // EGL_MAX_SWAP_INTERVAL
+ HEAP32[((value)>>2)] = 1;
+ return 1;
+ case 0x303D: // EGL_LUMINANCE_SIZE
+ case 0x303E: // EGL_ALPHA_MASK_SIZE
+ HEAP32[((value)>>2)] = 0;
+ return 1;
+ case 0x303F: // EGL_COLOR_BUFFER_TYPE
+ // EGL has two types of buffers: EGL_RGB_BUFFER and EGL_LUMINANCE_BUFFER.
+ HEAP32[((value)>>2)] = 0x308E;
+ return 1;
+ case 0x3040: // 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)] = 0x4;
+ return 1;
+ case 0x3042: // 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;
+ return 1;
+ default:
+ EGL.setErrorCode(0x3004 /* EGL_BAD_ATTRIBUTE */);
+ return 0;
+ }
+ };
+
+ var _eglGetDisplay = (nativeDisplayType) => {
+ EGL.setErrorCode(0x3000 /* EGL_SUCCESS */);
+ // 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 /* EGL_DEFAULT_DISPLAY */ && nativeDisplayType != 1 /* see library_xlib.js */) {
+ return 0; // EGL_NO_DISPLAY
+ }
+ return 62000;
+ };
+
+ var _eglGetError = () => EGL.errorCode;
+
+ var _eglInitialize = (display, majorVersion, minorVersion) => {
+ if (display != 62000) {
+ EGL.setErrorCode(0x3008 /* EGL_BAD_DISPLAY */);
+ return 0;
+ }
+ if (majorVersion) {
+ HEAP32[((majorVersion)>>2)] = 1; // Advertise EGL Major version: '1'
+ }
+ if (minorVersion) {
+ HEAP32[((minorVersion)>>2)] = 4; // Advertise EGL Minor version: '4'
+ }
+ EGL.defaultDisplayInitialized = true;
+ EGL.setErrorCode(0x3000 /* EGL_SUCCESS */);
+ return 1;
+ };
+
+
+ var _eglMakeCurrent = (display, draw, read, context) => {
+ if (display != 62000) {
+ EGL.setErrorCode(0x3008 /* EGL_BAD_DISPLAY */);
+ return 0 /* EGL_FALSE */;
+ }
+ //\todo An EGL_NOT_INITIALIZED error is generated if EGL is not initialized for dpy.
+ if (context != 0 && context != 62004) {
+ EGL.setErrorCode(0x3006 /* EGL_BAD_CONTEXT */);
+ return 0;
+ }
+ if ((read != 0 && read != 62006) || (draw != 0 && draw != 62006 /* Magic ID for Emscripten 'default surface' */)) {
+ EGL.setErrorCode(0x300D /* EGL_BAD_SURFACE */);
+ return 0;
+ }
+
+ GL.makeContextCurrent(context ? EGL.context : null);
+
+ EGL.currentContext = context;
+ EGL.currentDrawSurface = draw;
+ EGL.currentReadSurface = read;
+ EGL.setErrorCode(0x3000 /* EGL_SUCCESS */);
+ return 1 /* EGL_TRUE */;
+ };
+
+
+
+ var stringToNewUTF8 = (str) => {
+ var size = lengthBytesUTF8(str) + 1;
+ var ret = _malloc(size);
+ if (ret) stringToUTF8(str, ret, size);
+ return ret;
+ };
+
+ var _eglQueryString = (display, name) => {
+ if (display != 62000) {
+ EGL.setErrorCode(0x3008 /* EGL_BAD_DISPLAY */);
+ return 0;
+ }
+ //\todo An EGL_NOT_INITIALIZED error is generated if EGL is not initialized for dpy.
+ EGL.setErrorCode(0x3000 /* EGL_SUCCESS */);
+ if (EGL.stringCache[name]) return EGL.stringCache[name];
+ var ret;
+ switch (name) {
+ case 0x3053 /* EGL_VENDOR */: ret = stringToNewUTF8("Emscripten"); break;
+ case 0x3054 /* EGL_VERSION */: ret = stringToNewUTF8("1.4 Emscripten EGL"); break;
+ case 0x3055 /* EGL_EXTENSIONS */: ret = stringToNewUTF8(""); break; // Currently not supporting any EGL extensions.
+ case 0x308D /* EGL_CLIENT_APIS */: ret = stringToNewUTF8("OpenGL_ES"); break;
+ default:
+ EGL.setErrorCode(0x300C /* EGL_BAD_PARAMETER */);
+ return 0;
+ }
+ EGL.stringCache[name] = ret;
+ return ret;
+ };
+
+ var _eglSwapBuffers = (dpy, surface) => {
+
+ if (!EGL.defaultDisplayInitialized) {
+ EGL.setErrorCode(0x3001 /* EGL_NOT_INITIALIZED */);
+ } else if (!Module.ctx) {
+ EGL.setErrorCode(0x3002 /* EGL_BAD_ACCESS */);
+ } else if (Module.ctx.isContextLost()) {
+ EGL.setErrorCode(0x300E /* EGL_CONTEXT_LOST */);
+ } 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(0x3000 /* EGL_SUCCESS */);
+ return 1 /* EGL_TRUE */;
+ }
+ return 0 /* EGL_FALSE */;
+ };
+
+
+ var _eglSwapInterval = (display, interval) => {
+ if (display != 62000) {
+ EGL.setErrorCode(0x3008 /* EGL_BAD_DISPLAY */);
+ return 0;
+ }
+ if (interval == 0) _emscripten_set_main_loop_timing(0, 0);
+ else _emscripten_set_main_loop_timing(1, interval);
+
+ EGL.setErrorCode(0x3000 /* EGL_SUCCESS */);
+ return 1;
+ };
+
+ var _eglTerminate = (display) => {
+ if (display != 62000) {
+ EGL.setErrorCode(0x3008 /* EGL_BAD_DISPLAY */);
+ return 0;
+ }
+ EGL.currentContext = 0;
+ EGL.currentReadSurface = 0;
+ EGL.currentDrawSurface = 0;
+ EGL.defaultDisplayInitialized = false;
+ EGL.setErrorCode(0x3000 /* EGL_SUCCESS */);
+ return 1;
+ };
+
+
+ /** @suppress {duplicate } */
+ var _eglWaitClient = () => {
+ EGL.setErrorCode(0x3000 /* EGL_SUCCESS */);
+ return 1;
+ };
+ var _eglWaitGL = _eglWaitClient;
+
+ var _eglWaitNative = (nativeEngineId) => {
+ EGL.setErrorCode(0x3000 /* EGL_SUCCESS */);
+ 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++]) {
+ var chr = String.fromCharCode(ch);
+ var validChars = ['d', 'f', 'i', 'p'];
+ 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)] :
+ ch == 105 ?
+ HEAP32[((buf)>>2)] :
+ HEAPF64[((buf)>>3)]
+ );
+ 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);
+ };
+ var _emscripten_asm_const_int = (code, sigPtr, argbuf) => {
+ 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);
+ };
+ var _emscripten_asm_const_int_sync_on_main_thread = (emAsmAddr, sigPtr, argbuf) => runMainThreadEmAsm(emAsmAddr, sigPtr, argbuf, 1);
+
+ var _emscripten_asm_const_ptr_sync_on_main_thread = (emAsmAddr, sigPtr, argbuf) => runMainThreadEmAsm(emAsmAddr, sigPtr, argbuf, 1);
+
+ var _emscripten_cancel_main_loop = () => {
+ Browser.mainLoop.pause();
+ Browser.mainLoop.func = null;
+ };
+
+ var _emscripten_date_now = () => Date.now();
+
+ var JSEvents = {
+ 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
+ // Safari 13.0.3 on macOS Catalina 10.15.1 still ships with prefixed webkitFullscreenEnabled.
+ // TODO: If Safari at some point ships with unprefixed version, update the version check above.
+ || document.webkitFullscreenEnabled
+ ;
+ },
+ };
+
+ var currentFullscreenStrategy = {
+ };
+
+
+
+
+ var maybeCStringToJsString = (cString) => {
+ // "cString > 2" checks if the input is a number, and isn't of the special
+ // values we accept here, EMSCRIPTEN_EVENT_TARGET_* (which map to 0, 1, 2).
+ // In other words, if cString > 2 then it's a pointer to a valid place in
+ // memory, and points to a C string.
+ return cString > 2 ? UTF8ToString(cString) : cString;
+ };
+
+ /** @type {Object} */
+ var specialHTMLTargets = [0, typeof document != 'undefined' ? document : 0, typeof window != 'undefined' ? window : 0];
+ /** @suppress {duplicate } */
+ var findEventTarget = (target) => {
+ target = maybeCStringToJsString(target);
+ var domElement = specialHTMLTargets[target] || (typeof document != 'undefined' ? document.querySelector(target) : undefined);
+ return domElement;
+ };
+ var findCanvasEventTarget = findEventTarget;
+ var _emscripten_get_canvas_element_size = (target, width, height) => {
+ var canvas = findCanvasEventTarget(target);
+ if (!canvas) return -4;
+ HEAP32[((width)>>2)] = canvas.width;
+ HEAP32[((height)>>2)] = canvas.height;
+ };
+
+
+
+
+
+ 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 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)], HEAP32[((h)>>2)]];
+ stackRestore(sp);
+ return size;
+ };
+
+
+ var _emscripten_set_canvas_element_size = (target, width, height) => {
+ 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 wasmTableMirror = [];
+
+ /** @type {WebAssembly.Table} */
+ var wasmTable;
+ var getWasmTableEntry = (funcPtr) => {
+ var func = wasmTableMirror[funcPtr];
+ if (!func) {
+ if (funcPtr >= wasmTableMirror.length) wasmTableMirror.length = funcPtr + 1;
+ wasmTableMirror[funcPtr] = func = wasmTable.get(funcPtr);
+ }
+ assert(wasmTable.get(funcPtr) == func, 'JavaScript-side Wasm function table mirror is out of date!');
+ return func;
+ };
+ 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() {
+ var fullscreenElement = document.fullscreenElement
+ || document.webkitFullscreenElement
+ ;
+ if (!fullscreenElement) {
+ 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.
+ if (!target.style.backgroundColor) target.style.backgroundColor = 'black';
+ // IE11 does the same, but requires the color to be set in the document body.
+ if (!document.body.style.backgroundColor) 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) {
+ document.exitPointerLock();
+ } else {
+ return -1;
+ }
+ 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 = () => {
+ return (typeof devicePixelRatio == 'number' && devicePixelRatio) || 1.0;
+ };
+
+
+
+ var _emscripten_get_element_css_size = (target, width, height) => {
+ target = findEventTarget(target);
+ if (!target) return -4;
+
+ var rect = getBoundingClientRect(target);
+ HEAPF64[((width)>>3)] = rect.width;
+ HEAPF64[((height)>>3)] = rect.height;
+
+ return 0;
+ };
+
+
+ var fillGamepadEventData = (eventStruct, e) => {
+ HEAPF64[((eventStruct)>>3)] = e.timestamp;
+ for (var i = 0; i < e.axes.length; ++i) {
+ HEAPF64[(((eventStruct+i*8)+(16))>>3)] = e.axes[i];
+ }
+ for (var i = 0; i < e.buttons.length; ++i) {
+ if (typeof e.buttons[i] == 'object') {
+ HEAPF64[(((eventStruct+i*8)+(528))>>3)] = e.buttons[i].value;
+ } else {
+ HEAPF64[(((eventStruct+i*8)+(528))>>3)] = e.buttons[i];
+ }
+ }
+ for (var i = 0; i < e.buttons.length; ++i) {
+ if (typeof e.buttons[i] == 'object') {
+ HEAP8[(eventStruct+i)+(1040)] = 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)] = e.buttons[i] == 1;
+ }
+ }
+ HEAP8[(eventStruct)+(1104)] = e.connected;
+ HEAP32[(((eventStruct)+(1108))>>2)] = e.index;
+ HEAP32[(((eventStruct)+(8))>>2)] = e.axes.length;
+ HEAP32[(((eventStruct)+(12))>>2)] = e.buttons.length;
+ stringToUTF8(e.id, eventStruct + 1112, 64);
+ stringToUTF8(e.mapping, eventStruct + 1176, 64);
+ };
+ var _emscripten_get_gamepad_status = (index, gamepadState) => {
+ 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;
+ };
+
+ var getPreloadedImageData = (path, w, h) => {
+ path = PATH_FS.resolve(path);
+
+ var canvas = /** @type {HTMLCanvasElement} */(preloadedImages[path]);
+ if (!canvas) return 0;
+
+ var ctx = canvas.getContext("2d");
+ var image = ctx.getImageData(0, 0, canvas.width, canvas.height);
+ var buf = _malloc(canvas.width * canvas.height * 4);
+
+ HEAPU8.set(image.data, buf);
+
+ HEAP32[((w)>>2)] = canvas.width;
+ HEAP32[((h)>>2)] = canvas.height;
+ return buf;
+ };
+
+
+
+ var _emscripten_get_preloaded_image_data = (path, w, h) => getPreloadedImageData(UTF8ToString(path), w, h);
+
+
+
+ var _emscripten_get_preloaded_image_data_from_FILE = (file, w, h) => {
+ var fd = _fileno(file);
+ var stream = FS.getStream(fd);
+ if (stream) {
+ return getPreloadedImageData(stream.path, w, h);
+ }
+
+ return 0;
+ };
+
+ var _emscripten_get_screen_size = (width, height) => {
+ HEAP32[((width)>>2)] = screen.width;
+ HEAP32[((height)>>2)] = 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 } */
+ var _glBindAttribLocation = (program, index, name) => {
+ 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 } */
+ var _glBufferData = (target, size, data, usage) => {
+
+ // 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, data+size) : size, usage);
+ };
+ var _emscripten_glBufferData = _glBufferData;
+
+ /** @suppress {duplicate } */
+ var _glBufferSubData = (target, offset, size, data) => {
+ GLctx.bufferSubData(target, offset, HEAPU8.subarray(data, data+size));
+ };
+ 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 _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 } */
+ var _glCompressedTexImage2D = (target, level, internalFormat, width, height, border, imageSize, data) => {
+ GLctx.compressedTexImage2D(target, level, internalFormat, width, height, border, data ? HEAPU8.subarray((data), data+imageSize) : null);
+ };
+ var _emscripten_glCompressedTexImage2D = _glCompressedTexImage2D;
+
+ /** @suppress {duplicate } */
+ var _glCompressedTexSubImage2D = (target, level, xoffset, yoffset, width, height, format, imageSize, data) => {
+ GLctx.compressedTexSubImage2D(target, level, xoffset, yoffset, width, height, format, data ? HEAPU8.subarray((data), data+imageSize) : null);
+ };
+ 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 } */
+ var _glDeleteBuffers = (n, buffers) => {
+ for (var i = 0; i < n; i++) {
+ var id = HEAP32[(((buffers)+(i*4))>>2)];
+ 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 } */
+ var _glDeleteFramebuffers = (n, framebuffers) => {
+ for (var i = 0; i < n; ++i) {
+ var id = HEAP32[(((framebuffers)+(i*4))>>2)];
+ 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(0x501 /* GL_INVALID_VALUE */);
+ return;
+ }
+ GLctx.deleteProgram(program);
+ program.name = 0;
+ GL.programs[id] = null;
+ };
+ var _emscripten_glDeleteProgram = _glDeleteProgram;
+
+ /** @suppress {duplicate } */
+ var _glDeleteQueriesEXT = (n, ids) => {
+ for (var i = 0; i < n; i++) {
+ var id = HEAP32[(((ids)+(i*4))>>2)];
+ 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 } */
+ var _glDeleteRenderbuffers = (n, renderbuffers) => {
+ for (var i = 0; i < n; i++) {
+ var id = HEAP32[(((renderbuffers)+(i*4))>>2)];
+ 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(0x501 /* GL_INVALID_VALUE */);
+ return;
+ }
+ GLctx.deleteShader(shader);
+ GL.shaders[id] = null;
+ };
+ var _emscripten_glDeleteShader = _glDeleteShader;
+
+ /** @suppress {duplicate } */
+ var _glDeleteTextures = (n, textures) => {
+ for (var i = 0; i < n; i++) {
+ var id = HEAP32[(((textures)+(i*4))>>2)];
+ 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 } */
+ var _glDeleteVertexArrays = (n, vaos) => {
+ for (var i = 0; i < n; i++) {
+ var id = HEAP32[(((vaos)+(i*4))>>2)];
+ 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 } */
+ var _glDrawBuffers = (n, bufs) => {
+
+ var bufArray = tempFixedLengthArray[n];
+ for (var i = 0; i < n; i++) {
+ bufArray[i] = HEAP32[(((bufs)+(i*4))>>2)];
+ }
+
+ GLctx.drawBuffers(bufArray);
+ };
+ /** @suppress {duplicate } */
+ var _glDrawBuffersWEBGL = _glDrawBuffers;
+ var _emscripten_glDrawBuffersWEBGL = _glDrawBuffersWEBGL;
+
+ /** @suppress {duplicate } */
+ var _glDrawElements = (mode, count, type, indices) => {
+
+ GLctx.drawElements(mode, count, type, indices);
+
+ };
+ var _emscripten_glDrawElements = _glDrawElements;
+
+
+ /** @suppress {duplicate } */
+ var _glDrawElementsInstanced = (mode, count, type, indices, primcount) => {
+ 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 } */
+ var _glGenBuffers = (n, buffers) => {
+ GL.genObject(n, buffers, 'createBuffer', GL.buffers
+ );
+ };
+ var _emscripten_glGenBuffers = _glGenBuffers;
+
+ /** @suppress {duplicate } */
+ var _glGenFramebuffers = (n, ids) => {
+ GL.genObject(n, ids, 'createFramebuffer', GL.framebuffers
+ );
+ };
+ var _emscripten_glGenFramebuffers = _glGenFramebuffers;
+
+ /** @suppress {duplicate } */
+ var _glGenQueriesEXT = (n, ids) => {
+ for (var i = 0; i < n; i++) {
+ var query = GLctx.disjointTimerQueryExt['createQueryEXT']();
+ if (!query) {
+ GL.recordError(0x502 /* GL_INVALID_OPERATION */);
+ while (i < n) HEAP32[(((ids)+(i++*4))>>2)] = 0;
+ return;
+ }
+ var id = GL.getNewId(GL.queries);
+ query.name = id;
+ GL.queries[id] = query;
+ HEAP32[(((ids)+(i*4))>>2)] = id;
+ }
+ };
+ var _emscripten_glGenQueriesEXT = _glGenQueriesEXT;
+
+ /** @suppress {duplicate } */
+ var _glGenRenderbuffers = (n, renderbuffers) => {
+ GL.genObject(n, renderbuffers, 'createRenderbuffer', GL.renderbuffers
+ );
+ };
+ var _emscripten_glGenRenderbuffers = _glGenRenderbuffers;
+
+ /** @suppress {duplicate } */
+ var _glGenTextures = (n, textures) => {
+ GL.genObject(n, textures, 'createTexture', GL.textures
+ );
+ };
+ var _emscripten_glGenTextures = _glGenTextures;
+
+
+ /** @suppress {duplicate } */
+ var _glGenVertexArrays = (n, arrays) => {
+ 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)] = numBytesWrittenExclNull;
+ if (size) HEAP32[((size)>>2)] = info.size;
+ if (type) HEAP32[((type)>>2)] = info.type;
+ }
+ };
+
+ /** @suppress {duplicate } */
+ var _glGetActiveAttrib = (program, index, bufSize, length, size, type, name) => {
+ __glGetActiveAttribOrUniform('getActiveAttrib', program, index, bufSize, length, size, type, name);
+ };
+ var _emscripten_glGetActiveAttrib = _glGetActiveAttrib;
+
+
+ /** @suppress {duplicate } */
+ var _glGetActiveUniform = (program, index, bufSize, length, size, type, name) => {
+ __glGetActiveAttribOrUniform('getActiveUniform', program, index, bufSize, length, size, type, name);
+ };
+ var _emscripten_glGetActiveUniform = _glGetActiveUniform;
+
+ /** @suppress {duplicate } */
+ var _glGetAttachedShaders = (program, maxCount, count, shaders) => {
+ var result = GLctx.getAttachedShaders(GL.programs[program]);
+ var len = result.length;
+ if (len > maxCount) {
+ len = maxCount;
+ }
+ HEAP32[((count)>>2)] = len;
+ for (var i = 0; i < len; ++i) {
+ var id = GL.shaders.indexOf(result[i]);
+ HEAP32[(((shaders)+(i*4))>>2)] = id;
+ }
+ };
+ var _emscripten_glGetAttachedShaders = _glGetAttachedShaders;
+
+
+ /** @suppress {duplicate } */
+ var _glGetAttribLocation = (program, name) => {
+ return GLctx.getAttribLocation(GL.programs[program], UTF8ToString(name));
+ };
+ var _emscripten_glGetAttribLocation = _glGetAttribLocation;
+
+ var readI53FromI64 = (ptr) => {
+ return HEAPU32[((ptr)>>2)] + HEAP32[(((ptr)+(4))>>2)] * 4294967296;
+ };
+
+ var readI53FromU64 = (ptr) => {
+ return HEAPU32[((ptr)>>2)] + HEAPU32[(((ptr)+(4))>>2)] * 4294967296;
+ };
+ var writeI53ToI64 = (ptr, num) => {
+ HEAPU32[((ptr)>>2)] = num;
+ var lower = HEAPU32[((ptr)>>2)];
+ HEAPU32[(((ptr)+(4))>>2)] = (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])}, hi=${ptrToString(HEAPU32[offset+1])}, 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(0x501 /* GL_INVALID_VALUE */);
+ return;
+ }
+ var ret = undefined;
+ switch (name_) { // Handle a few trivial GLES values
+ case 0x8DFA: // GL_SHADER_COMPILER
+ ret = 1;
+ break;
+ case 0x8DF8: // GL_SHADER_BINARY_FORMATS
+ if (type != 0 && type != 1) {
+ GL.recordError(0x500); // GL_INVALID_ENUM
+ }
+ // Do not write anything to the out pointer, since no binary formats are
+ // supported.
+ return;
+ case 0x8DF9: // GL_NUM_SHADER_BINARY_FORMATS
+ ret = 0;
+ break;
+ case 0x86A2: // 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(0x86A3 /*GL_COMPRESSED_TEXTURE_FORMATS*/);
+ 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(0x500); // 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 0x8894: // ARRAY_BUFFER_BINDING
+ case 0x8B8D: // CURRENT_PROGRAM
+ case 0x8895: // ELEMENT_ARRAY_BUFFER_BINDING
+ case 0x8CA6: // FRAMEBUFFER_BINDING or DRAW_FRAMEBUFFER_BINDING
+ case 0x8CA7: // RENDERBUFFER_BINDING
+ case 0x8069: // TEXTURE_BINDING_2D
+ case 0x85B5: // WebGL 2 GL_VERTEX_ARRAY_BINDING, or WebGL 1 extension OES_vertex_array_object GL_VERTEX_ARRAY_BINDING_OES
+ case 0x8514: { // TEXTURE_BINDING_CUBE_MAP
+ ret = 0;
+ break;
+ }
+ default: {
+ GL.recordError(0x500); // 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)] = result[i]; break;
+ case 2: HEAPF32[(((p)+(i*4))>>2)] = result[i]; break;
+ case 4: HEAP8[(p)+(i)] = result[i] ? 1 : 0; break;
+ }
+ }
+ return;
+ } else {
+ try {
+ ret = result.name | 0;
+ } catch(e) {
+ GL.recordError(0x500); // GL_INVALID_ENUM
+ err(`GL_INVALID_ENUM in glGet${type}v: Unknown object returned from WebGL getParameter(${name_})! (error: ${e})`);
+ return;
+ }
+ }
+ break;
+ default:
+ GL.recordError(0x500); // GL_INVALID_ENUM
+ err(`GL_INVALID_ENUM in glGet${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)] = ret; break;
+ case 2: HEAPF32[((p)>>2)] = ret; break;
+ case 4: HEAP8[p] = ret ? 1 : 0; break;
+ }
+ };
+
+ /** @suppress {duplicate } */
+ var _glGetBooleanv = (name_, p) => emscriptenWebGLGet(name_, p, 4);
+ var _emscripten_glGetBooleanv = _glGetBooleanv;
+
+ /** @suppress {duplicate } */
+ var _glGetBufferParameteriv = (target, value, data) => {
+ 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(0x501 /* GL_INVALID_VALUE */);
+ return;
+ }
+ HEAP32[((data)>>2)] = GLctx.getBufferParameter(target, value);
+ };
+ var _emscripten_glGetBufferParameteriv = _glGetBufferParameteriv;
+
+ /** @suppress {duplicate } */
+ var _glGetError = () => {
+ var error = GLctx.getError() || GL.lastError;
+ GL.lastError = 0/*GL_NO_ERROR*/;
+ return error;
+ };
+ var _emscripten_glGetError = _glGetError;
+
+
+ /** @suppress {duplicate } */
+ var _glGetFloatv = (name_, p) => emscriptenWebGLGet(name_, p, 2);
+ var _emscripten_glGetFloatv = _glGetFloatv;
+
+ /** @suppress {duplicate } */
+ var _glGetFramebufferAttachmentParameteriv = (target, attachment, pname, params) => {
+ var result = GLctx.getFramebufferAttachmentParameter(target, attachment, pname);
+ if (result instanceof WebGLRenderbuffer ||
+ result instanceof WebGLTexture) {
+ result = result.name | 0;
+ }
+ HEAP32[((params)>>2)] = result;
+ };
+ var _emscripten_glGetFramebufferAttachmentParameteriv = _glGetFramebufferAttachmentParameteriv;
+
+
+ /** @suppress {duplicate } */
+ var _glGetIntegerv = (name_, p) => emscriptenWebGLGet(name_, p, 0);
+ var _emscripten_glGetIntegerv = _glGetIntegerv;
+
+ /** @suppress {duplicate } */
+ var _glGetProgramInfoLog = (program, maxLength, length, infoLog) => {
+ var log = GLctx.getProgramInfoLog(GL.programs[program]);
+ if (log === null) log = '(unknown error)';
+ var numBytesWrittenExclNull = (maxLength > 0 && infoLog) ? stringToUTF8(log, infoLog, maxLength) : 0;
+ if (length) HEAP32[((length)>>2)] = numBytesWrittenExclNull;
+ };
+ var _emscripten_glGetProgramInfoLog = _glGetProgramInfoLog;
+
+ /** @suppress {duplicate } */
+ var _glGetProgramiv = (program, pname, p) => {
+ 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(0x501 /* GL_INVALID_VALUE */);
+ return;
+ }
+
+ if (program >= GL.counter) {
+ GL.recordError(0x501 /* GL_INVALID_VALUE */);
+ return;
+ }
+
+ program = GL.programs[program];
+
+ if (pname == 0x8B84) { // GL_INFO_LOG_LENGTH
+ var log = GLctx.getProgramInfoLog(program);
+ if (log === null) log = '(unknown error)';
+ HEAP32[((p)>>2)] = log.length + 1;
+ } else if (pname == 0x8B87 /* GL_ACTIVE_UNIFORM_MAX_LENGTH */) {
+ if (!program.maxUniformLength) {
+ for (var i = 0; i < GLctx.getProgramParameter(program, 0x8B86/*GL_ACTIVE_UNIFORMS*/); ++i) {
+ program.maxUniformLength = Math.max(program.maxUniformLength, GLctx.getActiveUniform(program, i).name.length+1);
+ }
+ }
+ HEAP32[((p)>>2)] = program.maxUniformLength;
+ } else if (pname == 0x8B8A /* GL_ACTIVE_ATTRIBUTE_MAX_LENGTH */) {
+ if (!program.maxAttributeLength) {
+ for (var i = 0; i < GLctx.getProgramParameter(program, 0x8B89/*GL_ACTIVE_ATTRIBUTES*/); ++i) {
+ program.maxAttributeLength = Math.max(program.maxAttributeLength, GLctx.getActiveAttrib(program, i).name.length+1);
+ }
+ }
+ HEAP32[((p)>>2)] = program.maxAttributeLength;
+ } else if (pname == 0x8A35 /* GL_ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH */) {
+ if (!program.maxUniformBlockNameLength) {
+ for (var i = 0; i < GLctx.getProgramParameter(program, 0x8A36/*GL_ACTIVE_UNIFORM_BLOCKS*/); ++i) {
+ program.maxUniformBlockNameLength = Math.max(program.maxUniformBlockNameLength, GLctx.getActiveUniformBlockName(program, i).length+1);
+ }
+ }
+ HEAP32[((p)>>2)] = program.maxUniformBlockNameLength;
+ } else {
+ HEAP32[((p)>>2)] = GLctx.getProgramParameter(program, pname);
+ }
+ };
+ var _emscripten_glGetProgramiv = _glGetProgramiv;
+
+
+ /** @suppress {duplicate } */
+ var _glGetQueryObjecti64vEXT = (id, pname, params) => {
+ 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(0x501 /* GL_INVALID_VALUE */);
+ 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 } */
+ var _glGetQueryObjectivEXT = (id, pname, params) => {
+ 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(0x501 /* GL_INVALID_VALUE */);
+ 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)] = 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 } */
+ var _glGetQueryivEXT = (target, pname, params) => {
+ 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(0x501 /* GL_INVALID_VALUE */);
+ return;
+ }
+ HEAP32[((params)>>2)] = GLctx.disjointTimerQueryExt['getQueryEXT'](target, pname);
+ };
+ var _emscripten_glGetQueryivEXT = _glGetQueryivEXT;
+
+ /** @suppress {duplicate } */
+ var _glGetRenderbufferParameteriv = (target, pname, params) => {
+ 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(0x501 /* GL_INVALID_VALUE */);
+ return;
+ }
+ HEAP32[((params)>>2)] = GLctx.getRenderbufferParameter(target, pname);
+ };
+ var _emscripten_glGetRenderbufferParameteriv = _glGetRenderbufferParameteriv;
+
+
+ /** @suppress {duplicate } */
+ var _glGetShaderInfoLog = (shader, maxLength, length, infoLog) => {
+ var log = GLctx.getShaderInfoLog(GL.shaders[shader]);
+ if (log === null) log = '(unknown error)';
+ var numBytesWrittenExclNull = (maxLength > 0 && infoLog) ? stringToUTF8(log, infoLog, maxLength) : 0;
+ if (length) HEAP32[((length)>>2)] = numBytesWrittenExclNull;
+ };
+ var _emscripten_glGetShaderInfoLog = _glGetShaderInfoLog;
+
+ /** @suppress {duplicate } */
+ var _glGetShaderPrecisionFormat = (shaderType, precisionType, range, precision) => {
+ var result = GLctx.getShaderPrecisionFormat(shaderType, precisionType);
+ HEAP32[((range)>>2)] = result.rangeMin;
+ HEAP32[(((range)+(4))>>2)] = result.rangeMax;
+ HEAP32[((precision)>>2)] = result.precision;
+ };
+ var _emscripten_glGetShaderPrecisionFormat = _glGetShaderPrecisionFormat;
+
+ /** @suppress {duplicate } */
+ var _glGetShaderSource = (shader, bufSize, length, source) => {
+ 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)] = numBytesWrittenExclNull;
+ };
+ var _emscripten_glGetShaderSource = _glGetShaderSource;
+
+ /** @suppress {duplicate } */
+ var _glGetShaderiv = (shader, pname, p) => {
+ 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(0x501 /* GL_INVALID_VALUE */);
+ return;
+ }
+ if (pname == 0x8B84) { // 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)] = logLength;
+ } else if (pname == 0x8B88) { // 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)] = sourceLength;
+ } else {
+ HEAP32[((p)>>2)] = GLctx.getShaderParameter(GL.shaders[shader], pname);
+ }
+ };
+ var _emscripten_glGetShaderiv = _glGetShaderiv;
+
+
+
+ var webglGetExtensions = function $webglGetExtensions() {
+ var exts = getEmscriptenSupportedExtensions(GLctx);
+ exts = exts.concat(exts.map((e) => "GL_" + e));
+ return exts;
+ };
+
+ /** @suppress {duplicate } */
+ var _glGetString = (name_) => {
+ var ret = GL.stringCache[name_];
+ if (!ret) {
+ switch (name_) {
+ case 0x1F03 /* GL_EXTENSIONS */:
+ ret = stringToNewUTF8(webglGetExtensions().join(' '));
+ break;
+ case 0x1F00 /* GL_VENDOR */:
+ case 0x1F01 /* GL_RENDERER */:
+ case 0x9245 /* UNMASKED_VENDOR_WEBGL */:
+ case 0x9246 /* UNMASKED_RENDERER_WEBGL */:
+ var s = GLctx.getParameter(name_);
+ if (!s) {
+ GL.recordError(0x500/*GL_INVALID_ENUM*/);
+ }
+ ret = s ? stringToNewUTF8(s) : 0;
+ break;
+
+ case 0x1F02 /* GL_VERSION */:
+ var glVersion = GLctx.getParameter(0x1F02 /*GL_VERSION*/);
+ // return GLES version string corresponding to the version of the WebGL context
+ {
+ glVersion = `OpenGL ES 2.0 (${glVersion})`;
+ }
+ ret = stringToNewUTF8(glVersion);
+ break;
+ case 0x8B8C /* GL_SHADING_LANGUAGE_VERSION */:
+ var glslVersion = GLctx.getParameter(0x8B8C /*GL_SHADING_LANGUAGE_VERSION*/);
+ // 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(0x500/*GL_INVALID_ENUM*/);
+ // fall through
+ }
+ GL.stringCache[name_] = ret;
+ }
+ return ret;
+ };
+ var _emscripten_glGetString = _glGetString;
+
+ /** @suppress {duplicate } */
+ var _glGetTexParameterfv = (target, pname, params) => {
+ 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(0x501 /* GL_INVALID_VALUE */);
+ return;
+ }
+ HEAPF32[((params)>>2)] = GLctx.getTexParameter(target, pname);
+ };
+ var _emscripten_glGetTexParameterfv = _glGetTexParameterfv;
+
+ /** @suppress {duplicate } */
+ var _glGetTexParameteriv = (target, pname, params) => {
+ 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(0x501 /* GL_INVALID_VALUE */);
+ return;
+ }
+ HEAP32[((params)>>2)] = 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 = {};
+
+ for (i = 0; i < GLctx.getProgramParameter(program, 0x8B86/*GL_ACTIVE_UNIFORMS*/); ++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 } */
+ var _glGetUniformLocation = (program, name) => {
+
+ 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(0x501 /* GL_INVALID_VALUE */);
+ }
+ 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(0x502/*GL_INVALID_OPERATION*/);
+ }
+ };
+
+
+ /** @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(0x501 /* GL_INVALID_VALUE */);
+ 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)] = data; break;
+ case 2: HEAPF32[((params)>>2)] = data; break;
+ }
+ } else {
+ for (var i = 0; i < data.length; i++) {
+ switch (type) {
+ case 0: HEAP32[(((params)+(i*4))>>2)] = data[i]; break;
+ case 2: HEAPF32[(((params)+(i*4))>>2)] = data[i]; break;
+ }
+ }
+ }
+ };
+
+ /** @suppress {duplicate } */
+ var _glGetUniformfv = (program, location, params) => {
+ emscriptenWebGLGetUniform(program, location, params, 2);
+ };
+ var _emscripten_glGetUniformfv = _glGetUniformfv;
+
+
+ /** @suppress {duplicate } */
+ var _glGetUniformiv = (program, location, params) => {
+ emscriptenWebGLGetUniform(program, location, params, 0);
+ };
+ var _emscripten_glGetUniformiv = _glGetUniformiv;
+
+ /** @suppress {duplicate } */
+ var _glGetVertexAttribPointerv = (index, pname, pointer) => {
+ 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(0x501 /* GL_INVALID_VALUE */);
+ return;
+ }
+ HEAP32[((pointer)>>2)] = 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(0x501 /* GL_INVALID_VALUE */);
+ return;
+ }
+ var data = GLctx.getVertexAttrib(index, pname);
+ if (pname == 0x889F/*VERTEX_ATTRIB_ARRAY_BUFFER_BINDING*/) {
+ HEAP32[((params)>>2)] = data && data["name"];
+ } else if (typeof data == 'number' || typeof data == 'boolean') {
+ switch (type) {
+ case 0: HEAP32[((params)>>2)] = data; break;
+ case 2: HEAPF32[((params)>>2)] = data; break;
+ case 5: HEAP32[((params)>>2)] = Math.fround(data); break;
+ }
+ } else {
+ for (var i = 0; i < data.length; i++) {
+ switch (type) {
+ case 0: HEAP32[(((params)+(i*4))>>2)] = data[i]; break;
+ case 2: HEAPF32[(((params)+(i*4))>>2)] = data[i]; break;
+ case 5: HEAP32[(((params)+(i*4))>>2)] = Math.fround(data[i]); break;
+ }
+ }
+ }
+ };
+
+ /** @suppress {duplicate } */
+ var _glGetVertexAttribfv = (index, pname, params) => {
+ // 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 } */
+ var _glGetVertexAttribiv = (index, pname, params) => {
+ // 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 _glPolygonOffset = (x0, x1) => GLctx.polygonOffset(x0, x1);
+ var _emscripten_glPolygonOffset = _glPolygonOffset;
+
+ /** @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 - 0x1902]||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 -= 0x1400;
+
+ 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), toTypedArrayIndex(pixels + bytes, heap));
+ };
+
+ /** @suppress {duplicate } */
+ var _glReadPixels = (x, y, width, height, format, type, pixels) => {
+ var pixelData = emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, format);
+ if (!pixelData) {
+ GL.recordError(0x500/*GL_INVALID_ENUM*/);
+ return;
+ }
+ GLctx.readPixels(x, y, width, height, format, type, pixelData);
+ };
+ var _emscripten_glReadPixels = _glReadPixels;
+
+ /** @suppress {duplicate } */
+ var _glReleaseShaderCompiler = () => {
+ // NOP (as allowed by GLES 2.0 spec)
+ };
+ 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 } */
+ var _glShaderBinary = (count, shaders, binaryformat, binary, length) => {
+ GL.recordError(0x500/*GL_INVALID_ENUM*/);
+ };
+ var _emscripten_glShaderBinary = _glShaderBinary;
+
+ /** @suppress {duplicate } */
+ var _glShaderSource = (shader, count, string, length) => {
+ 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 } */
+ var _glTexImage2D = (target, level, internalFormat, width, height, border, format, type, pixels) => {
+ 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 } */
+ var _glTexParameterfv = (target, pname, params) => {
+ var param = HEAPF32[((params)>>2)];
+ 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 } */
+ var _glTexParameteriv = (target, pname, params) => {
+ var param = HEAP32[((params)>>2)];
+ GLctx.texParameteri(target, pname, param);
+ };
+ var _emscripten_glTexParameteriv = _glTexParameteriv;
+
+
+ /** @suppress {duplicate } */
+ var _glTexSubImage2D = (target, level, xoffset, yoffset, width, height, format, type, pixels) => {
+ 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 } */
+ var _glUniform1fv = (location, count, value) => {
+
+ 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)];
+ }
+ } else
+ {
+ var view = HEAPF32.subarray((((value)>>2)), ((value+count*4)>>2));
+ }
+ 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 } */
+ var _glUniform1iv = (location, count, value) => {
+
+ 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)];
+ }
+ } else
+ {
+ var view = HEAP32.subarray((((value)>>2)), ((value+count*4)>>2));
+ }
+ 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 } */
+ var _glUniform2fv = (location, count, value) => {
+
+ if (count <= 144) {
+ // avoid allocation when uploading few enough uniforms
+ var view = miniTempWebGLFloatBuffers[2*count];
+ for (var i = 0; i < 2*count; i += 2) {
+ view[i] = HEAPF32[(((value)+(4*i))>>2)];
+ view[i+1] = HEAPF32[(((value)+(4*i+4))>>2)];
+ }
+ } else
+ {
+ var view = HEAPF32.subarray((((value)>>2)), ((value+count*8)>>2));
+ }
+ 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 } */
+ var _glUniform2iv = (location, count, value) => {
+
+ if (count <= 144) {
+ // avoid allocation when uploading few enough uniforms
+ var view = miniTempWebGLIntBuffers[2*count];
+ for (var i = 0; i < 2*count; i += 2) {
+ view[i] = HEAP32[(((value)+(4*i))>>2)];
+ view[i+1] = HEAP32[(((value)+(4*i+4))>>2)];
+ }
+ } else
+ {
+ var view = HEAP32.subarray((((value)>>2)), ((value+count*8)>>2));
+ }
+ 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 } */
+ var _glUniform3fv = (location, count, value) => {
+
+ if (count <= 96) {
+ // avoid allocation when uploading few enough uniforms
+ var view = miniTempWebGLFloatBuffers[3*count];
+ for (var i = 0; i < 3*count; i += 3) {
+ view[i] = HEAPF32[(((value)+(4*i))>>2)];
+ view[i+1] = HEAPF32[(((value)+(4*i+4))>>2)];
+ view[i+2] = HEAPF32[(((value)+(4*i+8))>>2)];
+ }
+ } else
+ {
+ var view = HEAPF32.subarray((((value)>>2)), ((value+count*12)>>2));
+ }
+ 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 } */
+ var _glUniform3iv = (location, count, value) => {
+
+ if (count <= 96) {
+ // avoid allocation when uploading few enough uniforms
+ var view = miniTempWebGLIntBuffers[3*count];
+ for (var i = 0; i < 3*count; i += 3) {
+ view[i] = HEAP32[(((value)+(4*i))>>2)];
+ view[i+1] = HEAP32[(((value)+(4*i+4))>>2)];
+ view[i+2] = HEAP32[(((value)+(4*i+8))>>2)];
+ }
+ } else
+ {
+ var view = HEAP32.subarray((((value)>>2)), ((value+count*12)>>2));
+ }
+ 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 } */
+ var _glUniform4fv = (location, count, value) => {
+
+ 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);
+ for (var i = 0; i < 4 * count; i += 4) {
+ var dst = value + i;
+ view[i] = heap[dst];
+ view[i + 1] = heap[dst + 1];
+ view[i + 2] = heap[dst + 2];
+ view[i + 3] = heap[dst + 3];
+ }
+ } else
+ {
+ var view = HEAPF32.subarray((((value)>>2)), ((value+count*16)>>2));
+ }
+ 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 } */
+ var _glUniform4iv = (location, count, value) => {
+
+ if (count <= 72) {
+ // avoid allocation when uploading few enough uniforms
+ var view = miniTempWebGLIntBuffers[4*count];
+ for (var i = 0; i < 4*count; i += 4) {
+ view[i] = HEAP32[(((value)+(4*i))>>2)];
+ view[i+1] = HEAP32[(((value)+(4*i+4))>>2)];
+ view[i+2] = HEAP32[(((value)+(4*i+8))>>2)];
+ view[i+3] = HEAP32[(((value)+(4*i+12))>>2)];
+ }
+ } else
+ {
+ var view = HEAP32.subarray((((value)>>2)), ((value+count*16)>>2));
+ }
+ GLctx.uniform4iv(webglGetUniformLocation(location), view);
+ };
+ var _emscripten_glUniform4iv = _glUniform4iv;
+
+
+
+ /** @suppress {duplicate } */
+ var _glUniformMatrix2fv = (location, count, transpose, value) => {
+
+ if (count <= 72) {
+ // avoid allocation when uploading few enough uniforms
+ var view = miniTempWebGLFloatBuffers[4*count];
+ for (var i = 0; i < 4*count; i += 4) {
+ view[i] = HEAPF32[(((value)+(4*i))>>2)];
+ view[i+1] = HEAPF32[(((value)+(4*i+4))>>2)];
+ view[i+2] = HEAPF32[(((value)+(4*i+8))>>2)];
+ view[i+3] = HEAPF32[(((value)+(4*i+12))>>2)];
+ }
+ } else
+ {
+ var view = HEAPF32.subarray((((value)>>2)), ((value+count*16)>>2));
+ }
+ GLctx.uniformMatrix2fv(webglGetUniformLocation(location), !!transpose, view);
+ };
+ var _emscripten_glUniformMatrix2fv = _glUniformMatrix2fv;
+
+
+
+ /** @suppress {duplicate } */
+ var _glUniformMatrix3fv = (location, count, transpose, value) => {
+
+ if (count <= 32) {
+ // avoid allocation when uploading few enough uniforms
+ var view = miniTempWebGLFloatBuffers[9*count];
+ for (var i = 0; i < 9*count; i += 9) {
+ view[i] = HEAPF32[(((value)+(4*i))>>2)];
+ view[i+1] = HEAPF32[(((value)+(4*i+4))>>2)];
+ view[i+2] = HEAPF32[(((value)+(4*i+8))>>2)];
+ view[i+3] = HEAPF32[(((value)+(4*i+12))>>2)];
+ view[i+4] = HEAPF32[(((value)+(4*i+16))>>2)];
+ view[i+5] = HEAPF32[(((value)+(4*i+20))>>2)];
+ view[i+6] = HEAPF32[(((value)+(4*i+24))>>2)];
+ view[i+7] = HEAPF32[(((value)+(4*i+28))>>2)];
+ view[i+8] = HEAPF32[(((value)+(4*i+32))>>2)];
+ }
+ } else
+ {
+ var view = HEAPF32.subarray((((value)>>2)), ((value+count*36)>>2));
+ }
+ GLctx.uniformMatrix3fv(webglGetUniformLocation(location), !!transpose, view);
+ };
+ var _emscripten_glUniformMatrix3fv = _glUniformMatrix3fv;
+
+
+
+ /** @suppress {duplicate } */
+ var _glUniformMatrix4fv = (location, count, transpose, value) => {
+
+ 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);
+ for (var i = 0; i < 16 * count; i += 16) {
+ var dst = value + i;
+ view[i] = heap[dst];
+ view[i + 1] = heap[dst + 1];
+ view[i + 2] = heap[dst + 2];
+ view[i + 3] = heap[dst + 3];
+ view[i + 4] = heap[dst + 4];
+ view[i + 5] = heap[dst + 5];
+ view[i + 6] = heap[dst + 6];
+ view[i + 7] = heap[dst + 7];
+ view[i + 8] = heap[dst + 8];
+ view[i + 9] = heap[dst + 9];
+ view[i + 10] = heap[dst + 10];
+ view[i + 11] = heap[dst + 11];
+ view[i + 12] = heap[dst + 12];
+ view[i + 13] = heap[dst + 13];
+ view[i + 14] = heap[dst + 14];
+ view[i + 15] = heap[dst + 15];
+ }
+ } else
+ {
+ var view = HEAPF32.subarray((((value)>>2)), ((value+count*64)>>2));
+ }
+ 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 } */
+ var _glVertexAttrib1fv = (index, v) => {
+
+ 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 } */
+ var _glVertexAttrib2fv = (index, v) => {
+
+ 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 } */
+ var _glVertexAttrib3fv = (index, v) => {
+
+ 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 } */
+ var _glVertexAttrib4fv = (index, v) => {
+
+ 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 } */
+ var _glVertexAttribPointer = (index, size, type, normalized, stride, ptr) => {
+ 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 /* priority over pointer lock */, [target, strategy]);
+ return 1;
+ }
+ return -2;
+ }
+
+ return JSEvents_requestFullscreen(target, strategy);
+ };
+
+
+ var _emscripten_request_fullscreen_strategy = (target, deferUntilInEventHandler, fullscreenStrategy) => {
+ var strategy = {
+ scaleMode: HEAP32[((fullscreenStrategy)>>2)],
+ canvasResolutionScaleMode: HEAP32[(((fullscreenStrategy)+(4))>>2)],
+ filteringMode: HEAP32[(((fullscreenStrategy)+(8))>>2)],
+ deferUntilInEventHandler,
+ canvasResizedCallback: HEAP32[(((fullscreenStrategy)+(12))>>2)],
+ canvasResizedCallbackUserData: HEAP32[(((fullscreenStrategy)+(16))>>2)]
+ };
+
+ return doRequestFullscreen(target, strategy);
+ };
+
+
+
+ var _emscripten_request_pointerlock = (target, deferUntilInEventHandler) => {
+ 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 /* priority below fullscreen */, [target]);
+ return 1;
+ }
+ return -2;
+ }
+
+ return requestPointerLock(target);
+ };
+
+ var getHeapMax = () =>
+ HEAPU8.length;
+
+ var abortOnCannotGrowMemory = (requestedSize) => {
+ abort(`Cannot enlarge memory arrays to size ${requestedSize} bytes (OOM). Either (1) compile with -sINITIAL_MEMORY=X with X higher than the current value ${HEAP8.length}, (2) compile with -sALLOW_MEMORY_GROWTH which allows increasing the size at runtime, or (3) if you want malloc to return NULL (0) instead of this abort, compile with -sABORTING_MALLOC=0`);
+ };
+ var _emscripten_resize_heap = (requestedSize) => {
+ var oldSize = HEAPU8.length;
+ // With CAN_ADDRESS_2GB or MEMORY64, pointers are already unsigned.
+ requestedSize >>>= 0;
+ abortOnCannotGrowMemory(requestedSize);
+ };
+
+ /** @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; // Disable getGamepads() so that it won't be attempted to be used again.
+ }
+ 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);
+ };
+ var _emscripten_set_beforeunload_callback_on_thread = (userData, callbackfunc, targetThread) => {
+ 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) => {
+ if (!JSEvents.focusEvent) 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);
+ };
+ var _emscripten_set_blur_callback_on_thread = (target, userData, useCapture, callbackfunc, targetThread) =>
+ registerFocusEventCallback(target, userData, useCapture, callbackfunc, 12, "blur", targetThread);
+
+
+
+ var _emscripten_set_element_css_size = (target, width, height) => {
+ target = findEventTarget(target);
+ if (!target) return -4;
+
+ target.style.width = width + "px";
+ target.style.height = height + "px";
+
+ return 0;
+ };
+
+ var _emscripten_set_focus_callback_on_thread = (target, userData, useCapture, callbackfunc, targetThread) =>
+ registerFocusEventCallback(target, userData, useCapture, callbackfunc, 13, "focus", targetThread);
+
+
+
+
+ var fillFullscreenChangeEventData = (eventStruct) => {
+ var fullscreenElement = document.fullscreenElement || document.mozFullScreenElement || document.webkitFullscreenElement || document.msFullscreenElement;
+ var isFullscreen = !!fullscreenElement;
+ // Assigning a boolean to HEAP32 with expected type coercion.
+ /** @suppress{checkTypes} */
+ HEAP8[eventStruct] = isFullscreen;
+ HEAP8[(eventStruct)+(1)] = 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)] = reportedElement ? reportedElement.clientWidth : 0;
+ HEAP32[(((eventStruct)+(264))>>2)] = reportedElement ? reportedElement.clientHeight : 0;
+ HEAP32[(((eventStruct)+(268))>>2)] = screen.width;
+ HEAP32[(((eventStruct)+(272))>>2)] = screen.height;
+ if (isFullscreen) {
+ JSEvents.previousFullscreenElement = fullscreenElement;
+ }
+ };
+
+
+
+ var registerFullscreenChangeEventCallback = (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) => {
+ if (!JSEvents.fullscreenChangeEvent) 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);
+ };
+
+
+ var _emscripten_set_fullscreenchange_callback_on_thread = (target, userData, useCapture, callbackfunc, targetThread) => {
+ 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) => {
+ if (!JSEvents.gamepadEvent) 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);
+ };
+
+ var _emscripten_set_gamepadconnected_callback_on_thread = (userData, useCapture, callbackfunc, targetThread) => {
+ if (_emscripten_sample_gamepad_data()) return -1;
+ return registerGamepadEventCallback(2, userData, useCapture, callbackfunc, 26, "gamepadconnected", targetThread);
+ };
+
+
+ var _emscripten_set_gamepaddisconnected_callback_on_thread = (userData, useCapture, callbackfunc, targetThread) => {
+ 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) => {
+ if (!JSEvents.keyEvent) JSEvents.keyEvent = _malloc(160);
+
+ var keyEventHandlerFunc = (e) => {
+ assert(e);
+
+ var keyEventData = JSEvents.keyEvent;
+ HEAPF64[((keyEventData)>>3)] = e.timeStamp;
+
+ var idx = ((keyEventData)>>2);
+
+ HEAP32[idx + 2] = e.location;
+ HEAP8[keyEventData + 12] = e.ctrlKey;
+ HEAP8[keyEventData + 13] = e.shiftKey;
+ HEAP8[keyEventData + 14] = e.altKey;
+ HEAP8[keyEventData + 15] = e.metaKey;
+ HEAP8[keyEventData + 16] = e.repeat;
+ HEAP32[idx + 5] = e.charCode;
+ HEAP32[idx + 6] = e.keyCode;
+ HEAP32[idx + 7] = 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);
+ };
+ var _emscripten_set_keydown_callback_on_thread = (target, userData, useCapture, callbackfunc, targetThread) =>
+ registerKeyEventCallback(target, userData, useCapture, callbackfunc, 2, "keydown", targetThread);
+
+ var _emscripten_set_keypress_callback_on_thread = (target, userData, useCapture, callbackfunc, targetThread) =>
+ registerKeyEventCallback(target, userData, useCapture, callbackfunc, 1, "keypress", targetThread);
+
+ var _emscripten_set_keyup_callback_on_thread = (target, userData, useCapture, callbackfunc, targetThread) =>
+ registerKeyEventCallback(target, userData, useCapture, callbackfunc, 3, "keyup", targetThread);
+
+
+
+ var _emscripten_set_main_loop = (func, fps, simulateInfiniteLoop) => {
+ var browserIterationFunc = getWasmTableEntry(func);
+ setMainLoop(browserIterationFunc, fps, simulateInfiniteLoop);
+ };
+
+
+
+
+ var fillMouseEventData = (eventStruct, e, target) => {
+ assert(eventStruct % 4 == 0);
+ HEAPF64[((eventStruct)>>3)] = e.timeStamp;
+ var idx = ((eventStruct)>>2);
+ HEAP32[idx + 2] = e.screenX;
+ HEAP32[idx + 3] = e.screenY;
+ HEAP32[idx + 4] = e.clientX;
+ HEAP32[idx + 5] = e.clientY;
+ HEAP8[eventStruct + 24] = e.ctrlKey;
+ HEAP8[eventStruct + 25] = e.shiftKey;
+ HEAP8[eventStruct + 26] = e.altKey;
+ HEAP8[eventStruct + 27] = e.metaKey;
+ HEAP16[idx*2 + 14] = e.button;
+ HEAP16[idx*2 + 15] = e.buttons;
+
+ HEAP32[idx + 8] = e["movementX"]
+ ;
+
+ HEAP32[idx + 9] = 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] = e.clientX - (rect.left | 0);
+ HEAP32[idx + 11] = e.clientY - (rect.top | 0);
+
+ };
+
+
+
+ var registerMouseEventCallback = (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) => {
+ if (!JSEvents.mouseEvent) 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);
+ };
+ var _emscripten_set_mousedown_callback_on_thread = (target, userData, useCapture, callbackfunc, targetThread) =>
+ registerMouseEventCallback(target, userData, useCapture, callbackfunc, 5, "mousedown", targetThread);
+
+ var _emscripten_set_mouseenter_callback_on_thread = (target, userData, useCapture, callbackfunc, targetThread) =>
+ registerMouseEventCallback(target, userData, useCapture, callbackfunc, 33, "mouseenter", targetThread);
+
+ var _emscripten_set_mouseleave_callback_on_thread = (target, userData, useCapture, callbackfunc, targetThread) =>
+ registerMouseEventCallback(target, userData, useCapture, callbackfunc, 34, "mouseleave", targetThread);
+
+ var _emscripten_set_mousemove_callback_on_thread = (target, userData, useCapture, callbackfunc, targetThread) =>
+ registerMouseEventCallback(target, userData, useCapture, callbackfunc, 8, "mousemove", targetThread);
+
+ var _emscripten_set_mouseup_callback_on_thread = (target, userData, useCapture, callbackfunc, targetThread) =>
+ registerMouseEventCallback(target, userData, useCapture, callbackfunc, 6, "mouseup", targetThread);
+
+
+
+
+ var fillPointerlockChangeEventData = (eventStruct) => {
+ var pointerLockElement = document.pointerLockElement || document.mozPointerLockElement || document.webkitPointerLockElement || document.msPointerLockElement;
+ var isPointerlocked = !!pointerLockElement;
+ // Assigning a boolean to HEAP32 with expected type coercion.
+ /** @suppress{checkTypes} */
+ HEAP8[eventStruct] = 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) => {
+ if (!JSEvents.pointerlockChangeEvent) 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);
+ };
+
+
+ /** @suppress {missingProperties} */
+ var _emscripten_set_pointerlockchange_callback_on_thread = (target, userData, useCapture, callbackfunc, targetThread) => {
+ // TODO: Currently not supported in pthreads or in --proxy-to-worker mode. (In pthreads mode, document object is not defined)
+ if (!document || !document.body || (!document.body.requestPointerLock && !document.body.mozRequestPointerLock && !document.body.webkitRequestPointerLock && !document.body.msRequestPointerLock)) {
+ return -1;
+ }
+
+ target = findEventTarget(target);
+ if (!target) return -4;
+ registerPointerlockChangeEventCallback(target, userData, useCapture, callbackfunc, 20, "mozpointerlockchange", targetThread);
+ registerPointerlockChangeEventCallback(target, userData, useCapture, callbackfunc, 20, "webkitpointerlockchange", targetThread);
+ registerPointerlockChangeEventCallback(target, userData, useCapture, callbackfunc, 20, "mspointerlockchange", targetThread);
+ return registerPointerlockChangeEventCallback(target, userData, useCapture, callbackfunc, 20, "pointerlockchange", targetThread);
+ };
+
+
+
+
+ var registerUiEventCallback = (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) => {
+ if (!JSEvents.uiEvent) 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; // always zero for resize and scroll
+ HEAP32[(((uiEvent)+(4))>>2)] = b.clientWidth;
+ HEAP32[(((uiEvent)+(8))>>2)] = b.clientHeight;
+ HEAP32[(((uiEvent)+(12))>>2)] = innerWidth;
+ HEAP32[(((uiEvent)+(16))>>2)] = innerHeight;
+ HEAP32[(((uiEvent)+(20))>>2)] = outerWidth;
+ HEAP32[(((uiEvent)+(24))>>2)] = outerHeight;
+ HEAP32[(((uiEvent)+(28))>>2)] = pageXOffset | 0; // scroll offsets are float
+ HEAP32[(((uiEvent)+(32))>>2)] = pageYOffset | 0;
+ if (getWasmTableEntry(callbackfunc)(eventTypeId, uiEvent, userData)) e.preventDefault();
+ };
+
+ var eventHandler = {
+ target,
+ eventTypeString,
+ callbackfunc,
+ handlerFunc: uiEventHandlerFunc,
+ useCapture
+ };
+ return JSEvents.registerOrRemoveHandler(eventHandler);
+ };
+ var _emscripten_set_resize_callback_on_thread = (target, userData, useCapture, callbackfunc, targetThread) =>
+ registerUiEventCallback(target, userData, useCapture, callbackfunc, 10, "resize", targetThread);
+
+
+
+
+
+ var registerTouchEventCallback = (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) => {
+ if (!JSEvents.touchEvent) 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)] = e.timeStamp;
+ HEAP8[touchEvent + 12] = e.ctrlKey;
+ HEAP8[touchEvent + 13] = e.shiftKey;
+ HEAP8[touchEvent + 14] = e.altKey;
+ HEAP8[touchEvent + 15] = 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] = t.identifier;
+ HEAP32[idx32 + 1] = t.screenX;
+ HEAP32[idx32 + 2] = t.screenY;
+ HEAP32[idx32 + 3] = t.clientX;
+ HEAP32[idx32 + 4] = t.clientY;
+ HEAP32[idx32 + 5] = t.pageX;
+ HEAP32[idx32 + 6] = t.pageY;
+ HEAP8[idx + 28] = t.isChanged;
+ HEAP8[idx + 29] = t.onTarget;
+ HEAP32[idx32 + 8] = t.clientX - (targetRect.left | 0);
+ HEAP32[idx32 + 9] = t.clientY - (targetRect.top | 0);
+
+ idx += 48;
+
+ if (++numTouches > 31) {
+ break;
+ }
+ }
+ HEAP32[(((touchEvent)+(8))>>2)] = 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);
+ };
+ var _emscripten_set_touchcancel_callback_on_thread = (target, userData, useCapture, callbackfunc, targetThread) =>
+ registerTouchEventCallback(target, userData, useCapture, callbackfunc, 25, "touchcancel", targetThread);
+
+ var _emscripten_set_touchend_callback_on_thread = (target, userData, useCapture, callbackfunc, targetThread) =>
+ registerTouchEventCallback(target, userData, useCapture, callbackfunc, 23, "touchend", targetThread);
+
+ var _emscripten_set_touchmove_callback_on_thread = (target, userData, useCapture, callbackfunc, targetThread) =>
+ registerTouchEventCallback(target, userData, useCapture, callbackfunc, 24, "touchmove", targetThread);
+
+ var _emscripten_set_touchstart_callback_on_thread = (target, userData, useCapture, callbackfunc, targetThread) =>
+ 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] = document.hidden;
+ HEAP32[(((eventStruct)+(4))>>2)] = visibilityState;
+ };
+
+
+
+ var registerVisibilityChangeEventCallback = (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) => {
+ if (!JSEvents.visibilityChangeEvent) 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);
+ };
+
+ var _emscripten_set_visibilitychange_callback_on_thread = (userData, useCapture, callbackfunc, targetThread) => {
+ if (!specialHTMLTargets[1]) {
+ return -4;
+ }
+ return registerVisibilityChangeEventCallback(specialHTMLTargets[1], userData, useCapture, callbackfunc, 21, "visibilitychange", targetThread);
+ };
+
+
+
+
+
+
+ var registerWheelEventCallback = (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) => {
+ if (!JSEvents.wheelEvent) 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)] = e["deltaX"];
+ HEAPF64[(((wheelEvent)+(72))>>3)] = e["deltaY"];
+ HEAPF64[(((wheelEvent)+(80))>>3)] = e["deltaZ"];
+ HEAP32[(((wheelEvent)+(88))>>2)] = e["deltaMode"];
+ if (getWasmTableEntry(callbackfunc)(eventTypeId, wheelEvent, userData)) e.preventDefault();
+ };
+
+ var eventHandler = {
+ target,
+ allowsDeferredCalls: true,
+ eventTypeString,
+ callbackfunc,
+ handlerFunc: wheelHandlerFunc,
+ useCapture
+ };
+ return JSEvents.registerOrRemoveHandler(eventHandler);
+ };
+
+ var _emscripten_set_wheel_callback_on_thread = (target, userData, useCapture, callbackfunc, targetThread) => {
+ target = findEventTarget(target);
+ if (!target) return -4;
+ if (typeof target.onwheel != 'undefined') {
+ return registerWheelEventCallback(target, userData, useCapture, callbackfunc, 9, "wheel", targetThread);
+ } else {
+ return -1;
+ }
+ };
+
+
+ var _emscripten_set_window_title = (title) => 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 = () => {
+ return thisProgram || './this.program';
+ };
+ var getEnvStrings = () => {
+ if (!getEnvStrings.strings) {
+ // Default values.
+ // Browser language detection #8751
+ var lang = ((typeof navigator == 'object' && navigator.languages && navigator.languages[0]) || 'C').replace('-', '_') + '.UTF-8';
+ var env = {
+ 'USER': 'web_user',
+ 'LOGNAME': 'web_user',
+ 'PATH': '/',
+ 'PWD': '/',
+ 'HOME': '/home/web_user',
+ 'LANG': lang,
+ '_': getExecutableName()
+ };
+ // 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;
+ };
+
+ var stringToAscii = (str, buffer) => {
+ for (var i = 0; i < str.length; ++i) {
+ assert(str.charCodeAt(i) === (str.charCodeAt(i) & 0xff));
+ HEAP8[buffer++] = str.charCodeAt(i);
+ }
+ // Null-terminate the string
+ HEAP8[buffer] = 0;
+ };
+ var _environ_get = (__environ, environ_buf) => {
+ var bufSize = 0;
+ getEnvStrings().forEach((string, i) => {
+ var ptr = environ_buf + bufSize;
+ HEAPU32[(((__environ)+(i*4))>>2)] = ptr;
+ stringToAscii(string, ptr);
+ bufSize += string.length + 1;
+ });
+ return 0;
+ };
+
+ var _environ_sizes_get = (penviron_count, penviron_buf_size) => {
+ var strings = getEnvStrings();
+ HEAPU32[((penviron_count)>>2)] = strings.length;
+ var bufSize = 0;
+ strings.forEach((string) => bufSize += string.length + 1);
+ HEAPU32[((penviron_buf_size)>>2)] = 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;
+ }
+ }
+
+ /** @param {number=} offset */
+ var doReadv = (stream, iov, iovcnt, offset) => {
+ var ret = 0;
+ for (var i = 0; i < iovcnt; i++) {
+ var ptr = HEAPU32[((iov)>>2)];
+ var len = HEAPU32[(((iov)+(4))>>2)];
+ 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) {
+ try {
+
+ var stream = SYSCALLS.getStreamFromFD(fd);
+ var num = doReadv(stream, iov, iovcnt);
+ HEAPU32[((pnum)>>2)] = num;
+ return 0;
+ } catch (e) {
+ if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e;
+ return e.errno;
+ }
+ }
+
+
+ var convertI32PairToI53Checked = (lo, hi) => {
+ assert(lo == (lo >>> 0) || lo == (lo|0)); // lo should either be a i32 or a u32
+ assert(hi === (hi|0)); // hi should be a i32
+ return ((hi + 0x200000) >>> 0 < 0x400001 - !!lo) ? (lo >>> 0) + hi * 4294967296 : NaN;
+ };
+ function _fd_seek(fd,offset_low, offset_high,whence,newOffset) {
+ var offset = convertI32PairToI53Checked(offset_low, offset_high);
+
+
+ try {
+
+ if (isNaN(offset)) return 61;
+ var stream = SYSCALLS.getStreamFromFD(fd);
+ FS.llseek(stream, offset, whence);
+ (tempI64 = [stream.position>>>0,(tempDouble = stream.position,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? (+(Math.floor((tempDouble)/4294967296.0)))>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)], HEAP32[((newOffset)>>2)] = tempI64[0],HEAP32[(((newOffset)+(4))>>2)] = tempI64[1]);
+ 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)];
+ var len = HEAPU32[(((iov)+(4))>>2)];
+ iov += 8;
+ var curr = FS.write(stream, HEAP8, ptr, len, offset);
+ if (curr < 0) return -1;
+ ret += curr;
+ if (typeof offset != 'undefined') {
+ offset += curr;
+ }
+ }
+ return ret;
+ };
+
+ function _fd_write(fd, iov, iovcnt, pnum) {
+ try {
+
+ var stream = SYSCALLS.getStreamFromFD(fd);
+ var num = doWritev(stream, iov, iovcnt);
+ HEAPU32[((pnum)>>2)] = num;
+ return 0;
+ } catch (e) {
+ if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e;
+ return e.errno;
+ }
+ }
+
+
+
+
+ var listenOnce = (object, event, func) => {
+ object.addEventListener(event, func, { 'once': true });
+ };
+ /** @param {Object=} elements */
+ var autoResumeAudioContext = (ctx, elements) => {
+ if (!elements) {
+ elements = [document, document.getElementById('canvas')];
+ }
+ ['keydown', 'mousedown', 'touchstart'].forEach((event) => {
+ elements.forEach((element) => {
+ if (element) {
+ listenOnce(element, event, () => {
+ if (ctx.state === 'suspended') ctx.resume();
+ });
+ }
+ });
+ });
+ };
+
+ var dynCallLegacy = (sig, ptr, args) => {
+ sig = sig.replace(/p/g, 'i')
+ assert(('dynCall_' + sig) in Module, `bad function pointer type - dynCall function not found for sig '${sig}'`);
+ if (args?.length) {
+ // j (64-bit integer) must be passed in as two numbers [low 32, high 32].
+ assert(args.length === sig.substring(1).replace(/j/g, '--').length);
+ } else {
+ assert(sig.length == 1);
+ }
+ var f = Module['dynCall_' + sig];
+ return f(ptr, ...args);
+ };
+
+
+ var dynCall = (sig, ptr, args = []) => {
+ // Without WASM_BIGINT support we cannot directly call function with i64 as
+ // part of their signature, so we rely on the dynCall functions generated by
+ // wasm-emscripten-finalize
+ if (sig.includes('j')) {
+ return dynCallLegacy(sig, ptr, args);
+ }
+ assert(getWasmTableEntry(ptr), `missing table entry in dynCall: ${ptr}`);
+ var rtn = getWasmTableEntry(ptr)(...args);
+ return rtn;
+ };
+
+
+
+
+
+ var FS_createPath = FS.createPath;
+
+
+
+ var FS_unlink = (path) => FS.unlink(path);
+
+ var FS_createLazyFile = FS.createLazyFile;
+
+ var FS_createDevice = FS.createDevice;
+
+ FS.createPreloadedFile = FS_createPreloadedFile;
+ FS.staticInit();Module["FS_createPath"] = FS.createPath;Module["FS_createDataFile"] = FS.createDataFile;Module["FS_createPreloadedFile"] = FS.createPreloadedFile;Module["FS_unlink"] = FS.unlink;Module["FS_createLazyFile"] = FS.createLazyFile;Module["FS_createDevice"] = FS.createDevice;;
+
+ // exports
+ Module["requestFullscreen"] = Browser.requestFullscreen;
+ Module["requestFullScreen"] = Browser.requestFullScreen;
+ Module["requestAnimationFrame"] = Browser.requestAnimationFrame;
+ Module["setCanvasSize"] = Browser.setCanvasSize;
+ Module["pauseMainLoop"] = Browser.mainLoop.pause;
+ Module["resumeMainLoop"] = Browser.mainLoop.resume;
+ Module["getUserMedia"] = Browser.getUserMedia;
+ Module["createContext"] = Browser.createContext;
+ var preloadedImages = {};
+ var preloadedAudios = {};;
+var GLctx;;
+for (var 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);
+ };
+function checkIncomingModuleAPI() {
+ ignoredModuleProp('fetchSettings');
+}
+var wasmImports = {
+ /** @export */
+ __assert_fail: ___assert_fail,
+ /** @export */
+ __cxa_throw: ___cxa_throw,
+ /** @export */
+ __syscall_fcntl64: ___syscall_fcntl64,
+ /** @export */
+ __syscall_ioctl: ___syscall_ioctl,
+ /** @export */
+ __syscall_openat: ___syscall_openat,
+ /** @export */
+ _abort_js: __abort_js,
+ /** @export */
+ _emscripten_get_now_is_monotonic: __emscripten_get_now_is_monotonic,
+ /** @export */
+ _emscripten_memcpy_js: __emscripten_memcpy_js,
+ /** @export */
+ _emscripten_throw_longjmp: __emscripten_throw_longjmp,
+ /** @export */
+ _tzset_js: __tzset_js,
+ /** @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_cancel_main_loop: _emscripten_cancel_main_loop,
+ /** @export */
+ emscripten_date_now: _emscripten_date_now,
+ /** @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_preloaded_image_data: _emscripten_get_preloaded_image_data,
+ /** @export */
+ emscripten_get_preloaded_image_data_from_FILE: _emscripten_get_preloaded_image_data_from_FILE,
+ /** @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_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_glPolygonOffset: _emscripten_glPolygonOffset,
+ /** @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: _emscripten_set_main_loop,
+ /** @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 */
+ fd_close: _fd_close,
+ /** @export */
+ fd_read: _fd_read,
+ /** @export */
+ fd_seek: _fd_seek,
+ /** @export */
+ fd_write: _fd_write,
+ /** @export */
+ invoke_i,
+ /** @export */
+ invoke_ii,
+ /** @export */
+ invoke_iii,
+ /** @export */
+ invoke_iiii,
+ /** @export */
+ invoke_iiiii,
+ /** @export */
+ invoke_iiiiii,
+ /** @export */
+ invoke_iiiiiiiii,
+ /** @export */
+ invoke_iiiiiiiiii,
+ /** @export */
+ invoke_ji,
+ /** @export */
+ invoke_jiji,
+ /** @export */
+ invoke_vi,
+ /** @export */
+ invoke_vii,
+ /** @export */
+ invoke_viii,
+ /** @export */
+ invoke_viiii
+};
+var wasmExports = createWasm();
+var ___wasm_call_ctors = createExportWrapper('__wasm_call_ctors', 0);
+var _main = Module['_main'] = createExportWrapper('__main_argc_argv', 2);
+var _malloc = createExportWrapper('malloc', 1);
+var _strerror = createExportWrapper('strerror', 1);
+var _fflush = createExportWrapper('fflush', 1);
+var _fileno = createExportWrapper('fileno', 1);
+var _setThrew = createExportWrapper('setThrew', 2);
+var __emscripten_tempret_set = createExportWrapper('_emscripten_tempret_set', 1);
+var _emscripten_stack_init = () => (_emscripten_stack_init = wasmExports['emscripten_stack_init'])();
+var _emscripten_stack_get_free = () => (_emscripten_stack_get_free = wasmExports['emscripten_stack_get_free'])();
+var _emscripten_stack_get_base = () => (_emscripten_stack_get_base = wasmExports['emscripten_stack_get_base'])();
+var _emscripten_stack_get_end = () => (_emscripten_stack_get_end = wasmExports['emscripten_stack_get_end'])();
+var __emscripten_stack_restore = (a0) => (__emscripten_stack_restore = wasmExports['_emscripten_stack_restore'])(a0);
+var __emscripten_stack_alloc = (a0) => (__emscripten_stack_alloc = wasmExports['_emscripten_stack_alloc'])(a0);
+var _emscripten_stack_get_current = () => (_emscripten_stack_get_current = wasmExports['emscripten_stack_get_current'])();
+var ___cxa_is_pointer_type = createExportWrapper('__cxa_is_pointer_type', 1);
+var dynCall_ji = Module['dynCall_ji'] = createExportWrapper('dynCall_ji', 2);
+var dynCall_jiji = Module['dynCall_jiji'] = createExportWrapper('dynCall_jiji', 5);
+var dynCall_viijii = Module['dynCall_viijii'] = createExportWrapper('dynCall_viijii', 7);
+var dynCall_iiiiij = Module['dynCall_iiiiij'] = createExportWrapper('dynCall_iiiiij', 7);
+var dynCall_iiiiijj = Module['dynCall_iiiiijj'] = createExportWrapper('dynCall_iiiiijj', 9);
+var dynCall_iiiiiijj = Module['dynCall_iiiiiijj'] = createExportWrapper('dynCall_iiiiiijj', 10);
+
+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_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);
+ }
+}
+
+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_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_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_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_iiiiiiiiii(index,a1,a2,a3,a4,a5,a6,a7,a8,a9) {
+ var sp = stackSave();
+ try {
+ return getWasmTableEntry(index)(a1,a2,a3,a4,a5,a6,a7,a8,a9);
+ } catch(e) {
+ stackRestore(sp);
+ if (e !== e+0) throw e;
+ _setThrew(1, 0);
+ }
+}
+
+function invoke_iiiiii(index,a1,a2,a3,a4,a5) {
+ var sp = stackSave();
+ try {
+ return getWasmTableEntry(index)(a1,a2,a3,a4,a5);
+ } catch(e) {
+ stackRestore(sp);
+ if (e !== e+0) throw e;
+ _setThrew(1, 0);
+ }
+}
+
+function invoke_iiiiiiiii(index,a1,a2,a3,a4,a5,a6,a7,a8) {
+ var sp = stackSave();
+ try {
+ return getWasmTableEntry(index)(a1,a2,a3,a4,a5,a6,a7,a8);
+ } 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_viiii(index,a1,a2,a3,a4) {
+ var sp = stackSave();
+ try {
+ getWasmTableEntry(index)(a1,a2,a3,a4);
+ } catch(e) {
+ stackRestore(sp);
+ if (e !== e+0) throw e;
+ _setThrew(1, 0);
+ }
+}
+
+function invoke_ji(index,a1) {
+ var sp = stackSave();
+ try {
+ return dynCall_ji(index,a1);
+ } catch(e) {
+ stackRestore(sp);
+ if (e !== e+0) throw e;
+ _setThrew(1, 0);
+ }
+}
+
+function invoke_jiji(index,a1,a2,a3,a4) {
+ var sp = stackSave();
+ try {
+ return dynCall_jiji(index,a1,a2,a3,a4);
+ } catch(e) {
+ stackRestore(sp);
+ if (e !== e+0) throw e;
+ _setThrew(1, 0);
+ }
+}
+
+
+// include: postamble.js
+// === Auto-generated postamble setup entry stuff ===
+
+Module['addRunDependency'] = addRunDependency;
+Module['removeRunDependency'] = removeRunDependency;
+Module['FS_createPreloadedFile'] = FS_createPreloadedFile;
+Module['FS_unlink'] = FS_unlink;
+Module['FS_createPath'] = FS_createPath;
+Module['FS_createDevice'] = FS_createDevice;
+Module['FS_createDataFile'] = FS_createDataFile;
+Module['FS_createLazyFile'] = FS_createLazyFile;
+var missingLibrarySymbols = [
+ 'writeI53ToI64Clamped',
+ 'writeI53ToI64Signaling',
+ 'writeI53ToU64Clamped',
+ 'writeI53ToU64Signaling',
+ 'convertI32PairToI53',
+ 'convertU32PairToI53',
+ 'getTempRet0',
+ 'setTempRet0',
+ 'growMemory',
+ 'isLeapYear',
+ 'ydayFromDate',
+ 'arraySum',
+ 'addDays',
+ 'inetPton4',
+ 'inetNtop4',
+ 'inetPton6',
+ 'inetNtop6',
+ 'readSockaddr',
+ 'writeSockaddr',
+ 'emscriptenLog',
+ 'getDynCaller',
+ 'runtimeKeepalivePush',
+ 'runtimeKeepalivePop',
+ 'asmjsMangle',
+ 'HandleAllocator',
+ 'getNativeTypeSize',
+ 'STACK_SIZE',
+ 'STACK_ALIGN',
+ 'POINTER_SIZE',
+ 'ASSERTIONS',
+ 'getCFunc',
+ 'ccall',
+ 'cwrap',
+ 'uleb128Encode',
+ 'sigToWasmTypes',
+ 'generateFuncType',
+ 'convertJsFunctionToWasm',
+ 'getEmptyTableSlot',
+ 'updateTableMap',
+ 'getFunctionAddress',
+ 'addFunction',
+ 'removeFunction',
+ 'reallyNegative',
+ 'unSign',
+ 'strLen',
+ 'reSign',
+ 'formatString',
+ 'intArrayToString',
+ 'AsciiToString',
+ 'UTF16ToString',
+ 'stringToUTF16',
+ 'lengthBytesUTF16',
+ 'UTF32ToString',
+ 'stringToUTF32',
+ 'lengthBytesUTF32',
+ 'writeArrayToMemory',
+ 'fillDeviceOrientationEventData',
+ 'registerDeviceOrientationEventCallback',
+ 'fillDeviceMotionEventData',
+ 'registerDeviceMotionEventCallback',
+ 'screenOrientation',
+ 'fillOrientationChangeEventData',
+ 'registerOrientationChangeEventCallback',
+ 'hideEverythingExceptGivenElement',
+ 'restoreHiddenElements',
+ 'softFullscreenResizeWebGLRenderTarget',
+ 'registerPointerlockErrorEventCallback',
+ 'fillBatteryEventData',
+ 'battery',
+ 'registerBatteryEventCallback',
+ 'jsStackTrace',
+ 'getCallstack',
+ 'convertPCtoSourceLocation',
+ 'checkWasiClock',
+ 'wasiRightsToMuslOFlags',
+ 'wasiOFlagsToMuslOFlags',
+ 'createDyncallWrapper',
+ 'setImmediateWrapped',
+ 'clearImmediateWrapped',
+ 'polyfillSetImmediate',
+ 'getPromise',
+ 'makePromise',
+ 'idsToPromises',
+ 'makePromiseCallback',
+ 'findMatchingCatch',
+ 'Browser_asyncPrepareDataCounter',
+ 'getSocketFromFD',
+ 'getSocketAddress',
+ 'FS_mkdirTree',
+ '_setNetworkCallback',
+ 'writeGLArray',
+ 'registerWebGlEventCallback',
+ 'runAndAbortIfError',
+ 'ALLOC_NORMAL',
+ 'ALLOC_STACK',
+ 'allocate',
+ 'writeStringToMemory',
+ 'writeAsciiToMemory',
+ 'setErrNo',
+ 'demangle',
+ 'stackTrace',
+];
+missingLibrarySymbols.forEach(missingLibrarySymbol)
+
+var unexportedSymbols = [
+ 'run',
+ 'addOnPreRun',
+ 'addOnInit',
+ 'addOnPreMain',
+ 'addOnExit',
+ 'addOnPostRun',
+ 'out',
+ 'err',
+ 'callMain',
+ 'abort',
+ 'wasmMemory',
+ 'wasmExports',
+ 'writeStackCookie',
+ 'checkStackCookie',
+ 'writeI53ToI64',
+ 'readI53FromI64',
+ 'readI53FromU64',
+ 'convertI32PairToI53Checked',
+ 'stackSave',
+ 'stackRestore',
+ 'stackAlloc',
+ 'ptrToString',
+ 'zeroMemory',
+ 'exitJS',
+ 'getHeapMax',
+ 'abortOnCannotGrowMemory',
+ 'ENV',
+ 'MONTH_DAYS_REGULAR',
+ 'MONTH_DAYS_LEAP',
+ 'MONTH_DAYS_REGULAR_CUMULATIVE',
+ 'MONTH_DAYS_LEAP_CUMULATIVE',
+ 'ERRNO_CODES',
+ 'strError',
+ 'DNS',
+ 'Protocols',
+ 'Sockets',
+ 'initRandomFill',
+ 'randomFill',
+ 'timers',
+ 'warnOnce',
+ 'readEmAsmArgsArray',
+ 'readEmAsmArgs',
+ 'runEmAsmFunction',
+ 'runMainThreadEmAsm',
+ 'jstoi_q',
+ 'jstoi_s',
+ 'getExecutableName',
+ 'listenOnce',
+ 'autoResumeAudioContext',
+ 'dynCallLegacy',
+ 'dynCall',
+ 'handleException',
+ 'keepRuntimeAlive',
+ 'callUserCallback',
+ 'maybeExit',
+ 'asyncLoad',
+ 'alignMemory',
+ 'mmapAlloc',
+ 'wasmTable',
+ 'noExitRuntime',
+ 'freeTableIndexes',
+ 'functionsInTableMap',
+ 'setValue',
+ 'getValue',
+ 'PATH',
+ 'PATH_FS',
+ 'UTF8Decoder',
+ 'UTF8ArrayToString',
+ 'UTF8ToString',
+ 'stringToUTF8Array',
+ 'stringToUTF8',
+ 'lengthBytesUTF8',
+ 'intArrayFromString',
+ 'stringToAscii',
+ 'UTF16Decoder',
+ 'stringToNewUTF8',
+ 'stringToUTF8OnStack',
+ 'JSEvents',
+ 'registerKeyEventCallback',
+ 'specialHTMLTargets',
+ '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',
+ 'doReadv',
+ 'doWritev',
+ 'safeSetTimeout',
+ 'promiseMap',
+ 'uncaughtExceptionCount',
+ 'exceptionLast',
+ 'exceptionCaught',
+ 'ExceptionInfo',
+ 'Browser',
+ 'setMainLoop',
+ 'getPreloadedImageData__data',
+ 'wget',
+ 'SYSCALLS',
+ 'preloadPlugins',
+ 'FS_modeStringToFlags',
+ 'FS_getMode',
+ 'FS_stdin_getChar_buffer',
+ 'FS_stdin_getChar',
+ 'FS_readFile',
+ 'FS',
+ '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',
+ 'GL',
+ 'emscriptenWebGLGet',
+ 'computeUnpackAlignedImageSize',
+ 'colorChannelsInGlTextureFormat',
+ 'emscriptenWebGLGetTexPixelData',
+ 'emscriptenWebGLGetUniform',
+ 'webglGetUniformLocation',
+ 'webglPrepareUniformLocationsBeforeFirstUse',
+ 'webglGetLeftBracePos',
+ 'emscriptenWebGLGetVertexAttrib',
+ '__glGetActiveAttribOrUniform',
+ 'AL',
+ 'GLUT',
+ 'EGL',
+ 'GLEW',
+ 'IDBStore',
+ 'allocateUTF8',
+ 'allocateUTF8OnStack',
+ 'print',
+ 'printErr',
+];
+unexportedSymbols.forEach(unexportedRuntimeSymbol);
+
+
+
+var calledRun;
+
+dependenciesFulfilled = function runCaller() {
+ // If run has never been called, and we should call run (INVOKE_RUN is true, and Module.noInitialRun is not false)
+ if (!calledRun) run();
+ if (!calledRun) dependenciesFulfilled = runCaller; // try this again later, after new deps are fulfilled
+};
+
+function callMain(args = []) {
+ assert(runDependencies == 0, 'cannot call main when async dependencies remain! (listen on Module["onRuntimeInitialized"])');
+ assert(__ATPRERUN__.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)] = stringToUTF8OnStack(arg);
+ argv_ptr += 4;
+ });
+ HEAPU32[((argv_ptr)>>2)] = 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) {
+ return;
+ }
+
+ stackCheckInit();
+
+ preRun();
+
+ // a preRun added a dependency, run will be called later
+ if (runDependencies > 0) {
+ 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
+ if (calledRun) return;
+ calledRun = true;
+ Module['calledRun'] = true;
+
+ if (ABORT) return;
+
+ initRuntime();
+
+ preMain();
+
+ Module['onRuntimeInitialized']?.();
+
+ if (shouldRunNow) callMain(args);
+
+ postRun();
+ }
+
+ if (Module['setStatus']) {
+ Module['setStatus']('Running...');
+ setTimeout(function() {
+ setTimeout(function() {
+ 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(function(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.');
+ }
+}
+
+if (Module['preInit']) {
+ if (typeof Module['preInit'] == 'function') Module['preInit'] = [Module['preInit']];
+ while (Module['preInit'].length > 0) {
+ Module['preInit'].pop()();
+ }
+}
+
+// shouldRunNow refers to calling main(), not run().
+var shouldRunNow = true;
+
+if (Module['noInitialRun']) shouldRunNow = false;
+
+run();
+
+// end include: postamble.js
+
diff --git a/build-wasm/index.wasm b/build-wasm/index.wasm
new file mode 100644
index 0000000..00da212
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