// 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(Module) { ..generated code.. }
// 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 : {};
// --pre-jses are emitted after the Module integration code, so that they can
// refer to Module (if they choose; they can also define Module)
if (!Module.expectedDataFileDownloads) {
Module.expectedDataFileDownloads = 0;
}
Module.expectedDataFileDownloads++;
(function() {
// Do not attempt to redownload the virtual filesystem data when in a pthread or a Wasm Worker context.
if (Module['ENVIRONMENT_IS_PTHREAD'] || Module['$ww']) return;
var loadPackage = function(metadata) {
var PACKAGE_PATH = '';
if (typeof window === 'object') {
PACKAGE_PATH = window['encodeURIComponent'](window.location.pathname.toString().substring(0, window.location.pathname.toString().lastIndexOf('/')) + '/');
} else if (typeof process === 'undefined' && typeof location !== 'undefined') {
// web worker
PACKAGE_PATH = encodeURIComponent(location.pathname.toString().substring(0, location.pathname.toString().lastIndexOf('/')) + '/');
}
var PACKAGE_NAME = 'main.data';
var REMOTE_PACKAGE_BASE = 'main.data';
if (typeof Module['locateFilePackage'] === 'function' && !Module['locateFile']) {
Module['locateFile'] = Module['locateFilePackage'];
err('warning: you defined Module.locateFilePackage, that has been renamed to Module.locateFile (using your locateFilePackage for now)');
}
var REMOTE_PACKAGE_NAME = Module['locateFile'] ? Module['locateFile'](REMOTE_PACKAGE_BASE, '') : REMOTE_PACKAGE_BASE;
var REMOTE_PACKAGE_SIZE = metadata['remote_package_size'];
function fetchRemotePackage(packageName, packageSize, callback, errback) {
if (typeof process === 'object' && typeof process.versions === 'object' && typeof process.versions.node === 'string') {
require('fs').readFile(packageName, function(err, contents) {
if (err) {
errback(err);
} else {
callback(contents.buffer);
}
});
return;
}
var xhr = new XMLHttpRequest();
xhr.open('GET', packageName, true);
xhr.responseType = 'arraybuffer';
xhr.onprogress = function(event) {
var url = packageName;
var size = packageSize;
if (event.total) size = event.total;
if (event.loaded) {
if (!xhr.addedTotal) {
xhr.addedTotal = true;
if (!Module.dataFileDownloads) Module.dataFileDownloads = {};
Module.dataFileDownloads[url] = {
loaded: event.loaded,
total: size
};
} else {
Module.dataFileDownloads[url].loaded = event.loaded;
}
var total = 0;
var loaded = 0;
var num = 0;
for (var download in Module.dataFileDownloads) {
var data = Module.dataFileDownloads[download];
total += data.total;
loaded += data.loaded;
num++;
}
total = Math.ceil(total * Module.expectedDataFileDownloads/num);
if (Module['setStatus']) Module['setStatus'](`Downloading data... (${loaded}/${total})`);
} else if (!Module.dataFileDownloads) {
if (Module['setStatus']) Module['setStatus']('Downloading data...');
}
};
xhr.onerror = function(event) {
throw new Error("NetworkError for: " + packageName);
}
xhr.onload = function(event) {
if (xhr.status == 200 || xhr.status == 304 || xhr.status == 206 || (xhr.status == 0 && xhr.response)) { // 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() {
function assert(check, msg) {
if (!check) throw msg + new Error().stack;
}
Module['FS_createPath']("/", ".vscode", 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_main.data');
};
Module['addRunDependency']('datafile_main.data');
if (!Module.preloadResults) Module.preloadResults = {};
Module.preloadResults[PACKAGE_NAME] = {fromCache: false};
if (fetched) {
processPackageData(fetched);
fetched = null;
} else {
fetchedCallback = processPackageData;
}
}
if (Module['calledRun']) {
runWithFS();
} else {
if (!Module['preRun']) Module['preRun'] = [];
Module["preRun"].push(runWithFS); // FS is not initialized yet, wait for it
}
}
loadPackage({"files": [{"filename": "/.vscode/c_cpp_properties.json", "start": 0, "end": 344}, {"filename": "/.vscode/launch.json", "start": 344, "end": 952}, {"filename": "/.vscode/settings.json", "start": 952, "end": 2316}, {"filename": "/Makefile", "start": 2316, "end": 2453}, {"filename": "/dick.bmp", "start": 2453, "end": 15391}, {"filename": "/dick2.bmp", "start": 15391, "end": 28329}, {"filename": "/hui.bmp", "start": 28329, "end": 1468467}, {"filename": "/loh.bmp", "start": 1468467, "end": 2286525}, {"filename": "/lol.c", "start": 2286525, "end": 2290968}, {"filename": "/lol.o", "start": 2290968, "end": 2293995}, {"filename": "/main.cpp", "start": 2293995, "end": 2294112}, {"filename": "/main.data", "start": 2294112, "end": 4585080}, {"filename": "/main.html", "start": 4585080, "end": 4607200}, {"filename": "/main.js", "start": 4607200, "end": 4994820}, {"filename": "/main.o", "start": 4994820, "end": 5021428}, {"filename": "/main.wasm", "start": 5021428, "end": 5701228}, {"filename": "/project", "start": 5701228, "end": 5721468}, {"filename": "/start.bmp", "start": 5721468, "end": 5801606}, {"filename": "/wall0.bmp", "start": 5801606, "end": 6025744}, {"filename": "/wall1.bmp", "start": 6025744, "end": 6249882}, {"filename": "/wall2.bmp", "start": 6249882, "end": 6474020}, {"filename": "/wall3.bmp", "start": 6474020, "end": 6698158}, {"filename": "/wall4.bmp", "start": 6698158, "end": 6922296}, {"filename": "/window.hpp", "start": 6922296, "end": 6922622}], "remote_package_size": 6922622});
})();
// All the pre-js content up to here must remain later on, we need to run
// it.
if (Module['ENVIRONMENT_IS_PTHREAD'] || Module['$ww']) Module['preRun'] = [];
var necessaryPreJSTasks = Module['preRun'].slice();
if (!Module['preRun']) throw 'Module.preRun should exist because file support used it; did a pre-js delete it?';
necessaryPreJSTasks.forEach(function(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?';
});
// 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;
};
// 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)');
}
// `/` 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 read_,
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 + ')');
}
// `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?
// 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');
if (ENVIRONMENT_IS_WORKER) {
scriptDirectory = nodePath.dirname(scriptDirectory) + '/';
} else {
scriptDirectory = __dirname + '/';
}
// include: node_shell_read.js
read_ = (filename, binary) => {
// 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);
return fs.readFileSync(filename, binary ? undefined : 'utf8');
};
readBinary = (filename) => {
var ret = read_(filename, true);
if (!ret.buffer) {
ret = new Uint8Array(ret);
}
assert(ret.buffer);
return ret;
};
readAsync = (filename, onload, onerror, binary = true) => {
// See the comment in the `read_` function.
filename = isFileURI(filename) ? new URL(filename) : nodePath.normalize(filename);
fs.readFile(filename, binary ? undefined : 'utf8', (err, data) => {
if (err) onerror(err);
else onload(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;
};
Module['inspect'] = () => '[Emscripten Module object]';
} 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?)');
if (typeof read != 'undefined') {
read_ = read;
}
readBinary = (f) => {
if (typeof readbuffer == 'function') {
return new Uint8Array(readbuffer(f));
}
let data = read(f, 'binary');
assert(typeof data == 'object');
return data;
};
readAsync = (f, onload, onerror) => {
setTimeout(() => onload(readBinary(f)));
};
if (typeof clearTimeout == 'undefined') {
globalThis.clearTimeout = (id) => {};
}
if (typeof setTimeout == 'undefined') {
// spidermonkey lacks setTimeout but we use it above in readAsync.
globalThis.setTimeout = (f) => (typeof f == 'function') ? f() : abort();
}
if (typeof scriptArgs != 'undefined') {
arguments_ = scriptArgs;
} else if (typeof arguments != 'undefined') {
arguments_ = arguments;
}
if (typeof quit == 'function') {
quit_ = (status, toThrow) => {
// Unlike node which has process.exitCode, d8 has no such mechanism. So we
// have no way to set the exit code and then let the program exit with
// that code when it naturally stops running (say, when all setTimeouts
// have completed). For that reason, we must call `quit` - the only way to
// set the exit code - but quit also halts immediately. To increase
// consistency with node (and the web) we schedule the actual quit call
// using a setTimeout to give the current stack and any exception handlers
// a chance to run. This enables features such as addOnPostRun (which
// expected to be able to run code after main returns).
setTimeout(() => {
if (!(toThrow instanceof ExitStatus)) {
let toLog = toThrow;
if (toThrow && typeof toThrow == 'object' && toThrow.stack) {
toLog = [toThrow, toThrow.stack];
}
err(`exiting due to exception: ${toLog}`);
}
quit(status);
});
throw toThrow;
};
}
if (typeof print != 'undefined') {
// Prefer to use print/printErr where they exist, as they usually work better.
if (typeof console == 'undefined') console = /** @type{!Console} */({});
console.log = /** @type{!function(this:Console, ...*): undefined} */ (print);
console.warn = console.error = /** @type{!function(this:Console, ...*): undefined} */ (typeof printErr != 'undefined' ? printErr : print);
}
} 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.indexOf('blob:') !== 0) {
scriptDirectory = scriptDirectory.substr(0, scriptDirectory.replace(/[?#].*/, "").lastIndexOf('/')+1);
} else {
scriptDirectory = '';
}
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?)');
// Differentiate the Web Worker from the Node Worker case, as reading must
// be done differently.
{
// include: web_or_worker_shell_read.js
read_ = (url) => {
var xhr = new XMLHttpRequest();
xhr.open('GET', url, false);
xhr.send(null);
return xhr.responseText;
}
if (ENVIRONMENT_IS_WORKER) {
readBinary = (url) => {
var xhr = new XMLHttpRequest();
xhr.open('GET', url, false);
xhr.responseType = 'arraybuffer';
xhr.send(null);
return new Uint8Array(/** @type{!ArrayBuffer} */(xhr.response));
};
}
readAsync = (url, onload, onerror) => {
var xhr = new XMLHttpRequest();
xhr.open('GET', url, true);
xhr.responseType = 'arraybuffer';
xhr.onload = () => {
if (xhr.status == 200 || (xhr.status == 0 && xhr.response)) { // file URLs can return 0
onload(xhr.response);
return;
}
onerror();
};
xhr.onerror = onerror;
xhr.send(null);
}
// 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 e.g. in memoryInitializerRequest, which is a large typed array.
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 (modify read_ in JS)');
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('read', 'read_');
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') {
abort('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.
// 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;
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);
}
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++;
if (Module['monitorRunDependencies']) {
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--;
if (Module['monitorRunDependencies']) {
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) {
if (Module['onAbort']) {
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
// defintion 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) {
return function() {
assert(runtimeInitialized, `native function \`${name}\` called before runtime initialization`);
var f = wasmExports[name];
assert(f, `exported native function \`${name}\` not found`);
return f.apply(null, arguments);
};
}
// include: runtime_exceptions.js
// end include: runtime_exceptions.js
var wasmBinaryFile;
wasmBinaryFile = 'main.wasm';
if (!isDataURI(wasmBinaryFile)) {
wasmBinaryFile = locateFile(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, try to load it asynchronously.
// 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 fetch if it is available and the url is not a file, otherwise fall back to XHR.
if (!wasmBinary
&& (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER)) {
if (typeof fetch == 'function'
&& !isFileURI(binaryFile)
) {
return fetch(binaryFile, { credentials: 'same-origin' }).then((response) => {
if (!response['ok']) {
throw "failed to load wasm binary file at '" + binaryFile + "'";
}
return response['arrayBuffer']();
}).catch(() => getBinarySync(binaryFile));
}
else if (readAsync) {
// fetch is not available or url is file => try XHR (readAsync uses XHR internally)
return new Promise((resolve, reject) => {
readAsync(binaryFile, (response) => resolve(new Uint8Array(/** @type{!ArrayBuffer} */(response))), reject)
});
}
}
// 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((instance) => {
return instance;
}).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<Repsponse> 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);
}
// Create the wasm instance.
// Receives the wasm imports, returns the exports.
function createWasm() {
// prepare imports
var info = {
'env': wasmImports,
'wasi_snapshot_preview1': wasmImports,
};
// 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");
// This assertion doesn't hold when emscripten is run in --post-link
// mode.
// TODO(sbc): Read INITIAL_MEMORY out of the wasm file in post-link mode.
//assert(wasmMemory.buffer.byteLength === 16777216);
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: ${e}`);
return false;
}
}
instantiateAsync(wasmBinary, wasmBinaryFile, info, receiveInstantiationResult);
return {}; // no exports yet; we'll fill them in later
}
// Globals used by JS i64 conversions (see makeSetValue)
var tempDouble;
var tempI64;
// include: runtime_debug.js
function legacyModuleProp(prop, newName, incomming=true) {
if (!Object.getOwnPropertyDescriptor(Module, prop)) {
Object.defineProperty(Module, prop, {
configurable: true,
get() {
let extra = incomming ? ' (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)' : '';
abort(`\`Module.${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='${librarySymbol}')`;
if (isExportedByForceFilesystem(sym)) {
msg += '. Alternatively, forcing filesystem support (-sFORCE_FILESYSTEM) can export this for you';
}
warnOnce(msg);
return undefined;
}
});
}
// Any symbol that is not included from the JS libary is also (by definition)
// not exported on the Module object.
unexportedRuntimeSymbol(sym);
}
function unexportedRuntimeSymbol(sym) {
if (!Object.getOwnPropertyDescriptor(Module, sym)) {
Object.defineProperty(Module, sym, {
configurable: true,
get() {
var msg = `'${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(text) {
// TODO(sbc): Make this configurable somehow. Its not always convenient for
// logging to show up as warnings.
console.warn.apply(console, arguments);
}
// end include: runtime_debug.js
// === Body ===
var ASM_CONSTS = {
126544: ($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); },
126769: () => { if (typeof(AudioContext) !== 'undefined') { return true; } else if (typeof(webkitAudioContext) !== 'undefined') { return true; } return false; },
126916: () => { if ((typeof(navigator.mediaDevices) !== 'undefined') && (typeof(navigator.mediaDevices.getUserMedia) !== 'undefined')) { return true; } else if (typeof(navigator.webkitGetUserMedia) !== 'undefined') { return true; } return false; },
127150: ($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; },
127643: () => { var SDL2 = Module['SDL2']; return SDL2.audioContext.sampleRate; },
127711: ($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); } },
129363: ($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']); },
129773: ($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'); } } } },
130378: ($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]; } } },
130858: ($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; } },
132030: ($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); },
133499: ($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; },
134488: ($0) => { if (Module['canvas']) { Module['canvas'].style['cursor'] = UTF8ToString($0); } },
134571: () => { if (Module['canvas']) { Module['canvas'].style['cursor'] = 'none'; } },
134640: () => { return window.innerWidth; },
134670: () => { return window.innerHeight; }
};
// end include: preamble.js
/** @constructor */
function ExitStatus(status) {
this.name = 'ExitStatus';
this.message = `Program terminated with exit(${status})`;
this.status = status;
}
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 callRuntimeCallbacks = (callbacks) => {
while (callbacks.length > 0) {
// Pass the module as the first argument.
callbacks.shift()(Module);
}
};
var dynCallLegacy = (sig, ptr, args) => {
assert(('dynCall_' + sig) in Module, `bad function pointer type - dynCall function not found for sig '${sig}'`);
if (args && 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 args && args.length ? f.apply(null, [ptr].concat(args)) : f.call(null, ptr);
};
var wasmTableMirror = [];
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;
};
/** @param {Object=} args */
var dynCall = (sig, ptr, args) => {
// Without WASM_BIGINT support we cannot directly call function with i64 as
// part of thier signature, so we rely 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).apply(null, args);
return rtn;
};
/**
* @param {number} ptr
* @param {string} type
*/
function getValue(ptr, type = 'i8') {
if (type.endsWith('*')) type = '*';
switch (type) {
case 'i1': return HEAP8[((ptr)>>0)];
case 'i8': return HEAP8[((ptr)>>0)];
case 'i16': return HEAP16[((ptr)>>1)];
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)>>0)] = value; break;
case 'i8': HEAP8[((ptr)>>0)] = 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: ${type}`);
}
}
var warnOnce = (text) => {
if (!warnOnce.shown) warnOnce.shown = {};
if (!warnOnce.shown[text]) {
warnOnce.shown[text] = 1;
if (ENVIRONMENT_IS_NODE) text = 'warning: ' + text;
err(text);
}
};
var setErrNo = (value) => {
HEAP32[((___errno_location())>>2)] = value;
return value;
};
var PATH = {
isAbs:(path) => path.charAt(0) === '/',
splitPath:(filename) => {
var splitPathRe = /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;
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:function() {
var paths = Array.prototype.slice.call(arguments);
return 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:function() {
var resolvedPath = '',
resolvedAbsolute = false;
for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) {
var path = (i >= 0) ? arguments[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 UTF8Decoder = typeof TextDecoder != 'undefined' ? new TextDecoder('utf8') : 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;
};
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);
} 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 {
result = null;
}
} 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 (typeof readline == 'function') {
// Command line.
result = readline();
if (result !== null) {
result += '\n';
}
}
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);
}
if (!MEMFS.ops_table) {
MEMFS.ops_table = {
dir: {
node: {
getattr: MEMFS.node_ops.getattr,
setattr: MEMFS.node_ops.setattr,
lookup: MEMFS.node_ops.lookup,
mknod: MEMFS.node_ops.mknod,
rename: MEMFS.node_ops.rename,
unlink: MEMFS.node_ops.unlink,
rmdir: MEMFS.node_ops.rmdir,
readdir: MEMFS.node_ops.readdir,
symlink: MEMFS.node_ops.symlink
},
stream: {
llseek: MEMFS.stream_ops.llseek
}
},
file: {
node: {
getattr: MEMFS.node_ops.getattr,
setattr: MEMFS.node_ops.setattr
},
stream: {
llseek: MEMFS.stream_ops.llseek,
read: MEMFS.stream_ops.read,
write: MEMFS.stream_ops.write,
allocate: MEMFS.stream_ops.allocate,
mmap: MEMFS.stream_ops.mmap,
msync: MEMFS.stream_ops.msync
}
},
link: {
node: {
getattr: MEMFS.node_ops.getattr,
setattr: MEMFS.node_ops.setattr,
readlink: MEMFS.node_ops.readlink
},
stream: {}
},
chrdev: {
node: {
getattr: MEMFS.node_ops.getattr,
setattr: MEMFS.node_ops.setattr
},
stream: FS.chrdev_stream_ops
}
};
}
var node = FS.createNode(parent, name, mode, dev);
if (FS.isDir(node.mode)) {
node.node_ops = MEMFS.ops_table.dir.node;
node.stream_ops = MEMFS.ops_table.dir.stream;
node.contents = {};
} else if (FS.isFile(node.mode)) {
node.node_ops = MEMFS.ops_table.file.node;
node.stream_ops = MEMFS.ops_table.file.stream;
node.usedBytes = 0; // 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;
old_node.parent = new_dir;
},
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 in node.contents) {
if (!node.contents.hasOwnProperty(key)) {
continue;
}
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 ${url}`) : '';
readAsync(url, (arrayBuffer) => {
assert(arrayBuffer, `Loading data file "${url}" failed (no arrayBuffer).`);
onload(new Uint8Array(arrayBuffer));
if (dep) removeRunDependency(dep);
}, (event) => {
if (onerror) {
onerror();
} else {
throw `Loading data file "${url}" failed.`;
}
});
if (dep) addRunDependency(dep);
};
var 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) {
if (preFinish) preFinish();
if (!dontCreateFile) {
FS_createDataFile(parent, name, byteArray, canRead, canWrite, canOwn);
}
if (onload) onload();
removeRunDependency(dep);
}
if (FS_handledByPreloadPlugin(byteArray, fullname, finish, () => {
if (onerror) onerror();
removeRunDependency(dep);
})) {
return;
}
finish(byteArray);
}
addRunDependency(dep);
if (typeof url == 'string') {
asyncLoad(url, (byteArray) => processData(byteArray), onerror);
} else {
processData(url);
}
};
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 ERRNO_MESSAGES = {
0:"Success",
1:"Arg list too long",
2:"Permission denied",
3:"Address already in use",
4:"Address not available",
5:"Address family not supported by protocol family",
6:"No more processes",
7:"Socket already connected",
8:"Bad file number",
9:"Trying to read unreadable message",
10:"Mount device busy",
11:"Operation canceled",
12:"No children",
13:"Connection aborted",
14:"Connection refused",
15:"Connection reset by peer",
16:"File locking deadlock error",
17:"Destination address required",
18:"Math arg out of domain of func",
19:"Quota exceeded",
20:"File exists",
21:"Bad address",
22:"File too large",
23:"Host is unreachable",
24:"Identifier removed",
25:"Illegal byte sequence",
26:"Connection already in progress",
27:"Interrupted system call",
28:"Invalid argument",
29:"I/O error",
30:"Socket is already connected",
31:"Is a directory",
32:"Too many symbolic links",
33:"Too many open files",
34:"Too many links",
35:"Message too long",
36:"Multihop attempted",
37:"File or path name too long",
38:"Network interface is not configured",
39:"Connection reset by network",
40:"Network is unreachable",
41:"Too many open files in system",
42:"No buffer space available",
43:"No such device",
44:"No such file or directory",
45:"Exec format error",
46:"No record locks available",
47:"The link has been severed",
48:"Not enough core",
49:"No message of desired type",
50:"Protocol not available",
51:"No space left on device",
52:"Function not implemented",
53:"Socket is not connected",
54:"Not a directory",
55:"Directory not empty",
56:"State not recoverable",
57:"Socket operation on non-socket",
59:"Not a typewriter",
60:"No such device or address",
61:"Value too large for defined data type",
62:"Previous owner died",
63:"Not super-user",
64:"Broken pipe",
65:"Protocol error",
66:"Unknown protocol",
67:"Protocol wrong type for socket",
68:"Math result not representable",
69:"Read only file system",
70:"Illegal seek",
71:"No such process",
72:"Stale file handle",
73:"Connection timed out",
74:"Text file busy",
75:"Cross-device link",
100:"Device not a stream",
101:"Bad font file fmt",
102:"Invalid slot",
103:"Invalid request code",
104:"No anode",
105:"Block device required",
106:"Channel number out of range",
107:"Level 3 halted",
108:"Level 3 reset",
109:"Link number out of range",
110:"Protocol driver not attached",
111:"No CSI structure available",
112:"Level 2 halted",
113:"Invalid exchange",
114:"Invalid request descriptor",
115:"Exchange full",
116:"No data (for no delay io)",
117:"Timer expired",
118:"Out of streams resources",
119:"Machine is not on the network",
120:"Package not installed",
121:"The object is remote",
122:"Advertise error",
123:"Srmount error",
124:"Communication error on send",
125:"Cross mount point (not really error)",
126:"Given log. name not unique",
127:"f.d. invalid for this operation",
128:"Remote address changed",
129:"Can access a needed shared lib",
130:"Accessing a corrupted shared lib",
131:".lib section in a.out corrupted",
132:"Attempting to link in too many libs",
133:"Attempting to exec a shared library",
135:"Streams pipe error",
136:"Too many users",
137:"Socket type not supported",
138:"Not supported",
139:"Protocol family not supported",
140:"Can't send after socket shutdown",
141:"Too many references",
142:"Host is down",
148:"No medium (in tape drive)",
156:"Level 2 not synchronized",
};
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 demangle = (func) => {
warnOnce('warning: build with -sDEMANGLE_SUPPORT to link in libcxxabi demangling');
return func;
};
var demangleAll = (text) => {
var regex =
/\b_Z[\w\d_]+/g;
return text.replace(regex,
function(x) {
var y = demangle(x);
return x === y ? x : (y + ' [' + x + ']');
});
};
var FS = {
root:null,
mounts:[],
devices:{
},
streams:[],
nextInode:1,
nameTable:null,
currentPath:"/",
initialized:false,
ignorePermissions:true,
ErrnoError:null,
genericErrors:{
},
filesystems:null,
syncFSRequests:0,
lookupPath(path, opts = {}) {
path = PATH_FS.resolve(path);
if (!path) return { path: '', node: null };
var defaults = {
follow_mount: true,
recurse_count: 0
};
opts = Object.assign(defaults, opts)
if (opts.recurse_count > 8) { // 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, parent);
}
var hash = FS.hashName(parent.id, name);
for (var node = FS.nameTable[hash]; node; node = node.name_next) {
var nodeName = node.name;
if (node.parent.id === parent.id && nodeName === name) {
return node;
}
}
// 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) {
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) {
if (!FS.FSStream) {
FS.FSStream = /** @constructor */ function() {
this.shared = { };
};
FS.FSStream.prototype = {};
Object.defineProperties(FS.FSStream.prototype, {
object: {
/** @this {FS.FSStream} */
get() { return this.node; },
/** @this {FS.FSStream} */
set(val) { this.node = val; }
},
isRead: {
/** @this {FS.FSStream} */
get() { return (this.flags & 2097155) !== 1; }
},
isWrite: {
/** @this {FS.FSStream} */
get() { return (this.flags & 2097155) !== 0; }
},
isAppend: {
/** @this {FS.FSStream} */
get() { return (this.flags & 1024); }
},
flags: {
/** @this {FS.FSStream} */
get() { return this.shared.flags; },
/** @this {FS.FSStream} */
set(val) { this.shared.flags = val; },
},
position : {
/** @this {FS.FSStream} */
get() { return this.shared.position; },
/** @this {FS.FSStream} */
set(val) { this.shared.position = val; },
},
});
}
// 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;
},
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
if (stream.stream_ops.open) {
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.apply(check, m.mounts);
}
return mounts;
},
syncfs(populate, callback) {
if (typeof populate == 'function') {
callback = populate;
populate = false;
}
FS.syncFSRequests++;
if (FS.syncFSRequests > 1) {
err(`warning: ${FS.syncFSRequests} FS.syncfs operations in flight at once, probably just doing extra work`);
}
var mounts = FS.getMounts(FS.root.mount);
var completed = 0;
function doCallback(errCode) {
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 existant 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);
} 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;
mode = typeof mode == 'undefined' ? 438 /* 0666 */ : mode;
if ((flags & 64)) {
mode = (mode & 4095) | 32768;
} else {
mode = 0;
}
var node;
if (typeof path == 'object') {
node = path;
} else {
path = PATH.normalize(path);
try {
var lookup = FS.lookupPath(path, {
follow: !(flags & 131072)
});
node = lookup.node;
} catch (e) {
// 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);
},
munmap:(stream) => 0,
ioctl(stream, cmd, arg) {
if (!stream.stream_ops.ioctl) {
throw new FS.ErrnoError(59);
}
return stream.stream_ops.ioctl(stream, cmd, arg);
},
readFile(path, opts = {}) {
opts.flags = opts.flags || 0;
opts.encoding = opts.encoding || 'binary';
if (opts.encoding !== 'utf8' && opts.encoding !== 'binary') {
throw new Error(`Invalid encoding type "${opts.encoding}"`);
}
var ret;
var stream = FS.open(path, opts.flags);
var stat = FS.stat(path);
var length = stat.size;
var buf = new Uint8Array(length);
FS.read(stream, buf, 0, length, 0);
if (opts.encoding === 'utf8') {
ret = UTF8ArrayToString(buf, 0);
} else if (opts.encoding === 'binary') {
ret = buf;
}
FS.close(stream);
return ret;
},
writeFile(path, data, opts = {}) {
opts.flags = opts.flags || 577;
var stream = FS.open(path, opts.flags, opts.mode);
if (typeof data == 'string') {
var buf = new Uint8Array(lengthBytesUTF8(data)+1);
var actualNumBytes = stringToUTF8Array(data, buf, 0, buf.length);
FS.write(stream, buf, 0, actualNumBytes, undefined, opts.canOwn);
} else if (ArrayBuffer.isView(data)) {
FS.write(stream, data, 0, data.byteLength, undefined, opts.canOwn);
} else {
throw new Error('Unsupported data type');
}
FS.close(stream);
},
cwd:() => FS.currentPath,
chdir(path) {
var lookup = FS.lookupPath(path, { follow: true });
if (lookup.node === null) {
throw new FS.ErrnoError(44);
}
if (!FS.isDir(lookup.node.mode)) {
throw new FS.ErrnoError(54);
}
var errCode = FS.nodePermissions(lookup.node, 'x');
if (errCode) {
throw new FS.ErrnoError(errCode);
}
FS.currentPath = lookup.path;
},
createDefaultDirectories() {
FS.mkdir('/tmp');
FS.mkdir('/home');
FS.mkdir('/home/web_user');
},
createDefaultDevices() {
// 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})`);
},
ensureErrnoError() {
if (FS.ErrnoError) return;
FS.ErrnoError = /** @this{Object} */ function ErrnoError(errno, node) {
// 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
this.name = 'ErrnoError';
this.node = node;
this.setErrno = /** @this{Object} */ function(errno) {
this.errno = errno;
for (var key in ERRNO_CODES) {
if (ERRNO_CODES[key] === errno) {
this.code = key;
break;
}
}
};
this.setErrno(errno);
this.message = ERRNO_MESSAGES[errno];
// Try to get a maximally helpful stack trace. On Node.js, getting Error.stack
// now ensures it shows what we want.
if (this.stack) {
// Define the stack property for Node.js 4, which otherwise errors on the next line.
Object.defineProperty(this, "stack", { value: (new Error).stack, writable: true });
this.stack = demangleAll(this.stack);
}
};
FS.ErrnoError.prototype = new Error();
FS.ErrnoError.prototype.constructor = FS.ErrnoError;
// 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 = '<generic error, no stack>';
});
},
staticInit() {
FS.ensureErrnoError();
FS.nameTable = new Array(4096);
FS.mount(MEMFS, {}, '/');
FS.createDefaultDirectories();
FS.createDefaultDevices();
FS.createSpecialDirectories();
FS.filesystems = {
'MEMFS': MEMFS,
};
},
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;
FS.ensureErrnoError();
// 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 && output.buffer && 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 if (read_) {
// Command-line.
try {
// WARNING: Can't read binary files in V8's d8 or tracemonkey's js, as
// read() will try to parse UTF8.
obj.contents = intArrayFromString(read_(obj.url), true);
obj.usedBytes = obj.contents.length;
} catch (e) {
throw new FS.ErrnoError(29);
}
} else {
throw new Error('Cannot load without read() or XMLHttpRequest.');
}
},
createLazyFile(parent, name, url, canRead, canWrite) {
// Lazy chunked Uint8Array (implements get and length from Uint8Array). Actual getting is abstracted away for eventual reuse.
/** @constructor */
function LazyUint8Array() {
this.lengthKnown = false;
this.chunks = []; // Loaded chunks. Index is the chunk number
}
LazyUint8Array.prototype.get = /** @this{Object} */ function LazyUint8Array_get(idx) {
if (idx > this.length-1 || idx < 0) {
return undefined;
}
var chunkOffset = idx % this.chunkSize;
var chunkNum = (idx / this.chunkSize)|0;
return this.getter(chunkNum)[chunkOffset];
};
LazyUint8Array.prototype.setDataGetter = function LazyUint8Array_setDataGetter(getter) {
this.getter = getter;
};
LazyUint8Array.prototype.cacheLength = function LazyUint8Array_cacheLength() {
// Find length
var xhr = new XMLHttpRequest();
xhr.open('HEAD', url, false);
xhr.send(null);
if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) throw new Error("Couldn't load " + url + ". Status: " + xhr.status);
var datalength = Number(xhr.getResponseHeader("Content-length"));
var header;
var hasByteServing = (header = xhr.getResponseHeader("Accept-Ranges")) && header === "bytes";
var usesGzip = (header = xhr.getResponseHeader("Content-Encoding")) && header === "gzip";
var chunkSize = 1024*1024; // Chunk size in bytes
if (!hasByteServing) chunkSize = datalength;
// Function to get a range from the remote URL.
var doXHR = (from, to) => {
if (from > to) throw new Error("invalid range (" + from + ", " + to + ") or no bytes requested!");
if (to > datalength-1) throw new Error("only " + datalength + " bytes available! programmer error!");
// TODO: Use mozResponseArrayBuffer, responseStream, etc. if available.
var xhr = new XMLHttpRequest();
xhr.open('GET', url, false);
if (datalength !== chunkSize) xhr.setRequestHeader("Range", "bytes=" + from + "-" + to);
// Some hints to the browser that we want binary data.
xhr.responseType = 'arraybuffer';
if (xhr.overrideMimeType) {
xhr.overrideMimeType('text/plain; charset=x-user-defined');
}
xhr.send(null);
if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) throw new Error("Couldn't load " + url + ". Status: " + xhr.status);
if (xhr.response !== undefined) {
return new Uint8Array(/** @type{Array<number>} */(xhr.response || []));
}
return intArrayFromString(xhr.responseText || '', true);
};
var lazyArray = this;
lazyArray.setDataGetter((chunkNum) => {
var start = chunkNum * chunkSize;
var end = (chunkNum+1) * chunkSize - 1; // including this byte
end = Math.min(end, datalength-1); // if datalength-1 is selected, this is the last block
if (typeof lazyArray.chunks[chunkNum] == 'undefined') {
lazyArray.chunks[chunkNum] = doXHR(start, end);
}
if (typeof lazyArray.chunks[chunkNum] == 'undefined') throw new Error('doXHR failed!');
return lazyArray.chunks[chunkNum];
});
if (usesGzip || !datalength) {
// if the server uses gzip or doesn't supply the length, we have to download the whole file to get the (uncompressed) length
chunkSize = datalength = 1; // this will force getter(0)/doXHR do download the whole file
datalength = this.getter(0).length;
chunkSize = datalength;
out("LazyFiles on gzip forces download of the whole file when length is accessed");
}
this._length = datalength;
this._chunkSize = chunkSize;
this.lengthKnown = true;
};
if (typeof XMLHttpRequest != 'undefined') {
if (!ENVIRONMENT_IS_WORKER) throw 'Cannot do synchronous binary XHRs outside webworkers in modern browsers. Use --embed-file or --preload-file in emcc';
var lazyArray = new LazyUint8Array();
Object.defineProperties(lazyArray, {
length: {
get: /** @this{Object} */ function() {
if (!this.lengthKnown) {
this.cacheLength();
}
return this._length;
}
},
chunkSize: {
get: /** @this{Object} */ function() {
if (!this.lengthKnown) {
this.cacheLength();
}
return this._chunkSize;
}
}
});
var properties = { isDevice: false, contents: lazyArray };
} else {
var properties = { isDevice: false, url: url };
}
var node = FS.createFile(parent, name, properties, canRead, canWrite);
// 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: /** @this {FSNode} */ 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] = function forceLoadLazyFile() {
FS.forceLoadFile(node);
return fn.apply(null, arguments);
};
});
function writeChunks(stream, buffer, offset, length, position) {
var contents = stream.node.contents;
if (position >= contents.length)
return 0;
var size = Math.min(contents.length - position, length);
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');
},
};
/**
* 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 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) {
try {
var stat = func(path);
} catch (e) {
if (e && e.node && PATH.normalize(path) !== PATH.normalize(FS.getPath(e.node))) {
// an error occurred while trying to look up the path; we should just report ENOTDIR
return -54;
}
throw e;
}
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);
},
varargs:undefined,
get() {
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;
},
getp() { return SYSCALLS.get() },
getStr(ptr) {
var ret = UTF8ToString(ptr);
return ret;
},
getStreamFromFD(fd) {
var stream = FS.getStreamChecked(fd);
return stream;
},
};
function ___syscall_fcntl64(fd, cmd, varargs) {
SYSCALLS.varargs = varargs;
try {
var stream = SYSCALLS.getStreamFromFD(fd);
switch (cmd) {
case 0: {
var arg = SYSCALLS.get();
if (arg < 0) {
return -28;
}
while (FS.streams[arg]) {
arg++;
}
var newStream;
newStream = FS.createStream(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 = SYSCALLS.get();
stream.flags |= arg;
return 0;
}
case 5: {
var arg = SYSCALLS.getp();
var offset = 0;
// We're always unlocked.
HEAP16[(((arg)+(offset))>>1)] = 2;
return 0;
}
case 6:
case 7:
return 0; // Pretend that the locking is successful.
case 16:
case 8:
return -28; // These are for sockets. We don't have them fully implemented yet.
case 9:
// musl trusts getown return values, due to a bug where they must be, as they overlap with errors. just return -1 here, so fcntl() returns that, and we set errno ourselves.
setErrNo(28);
return -1;
default: {
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 = SYSCALLS.getp();
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))>>0)] = 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 = SYSCALLS.getp();
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))>>0)]);
}
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 = SYSCALLS.getp();
HEAP32[((argp)>>2)] = 0;
return 0;
}
case 21520: {
if (!stream.tty) return -59;
return -28; // not supported
}
case 21531: {
var argp = SYSCALLS.getp();
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 = SYSCALLS.getp();
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 ? SYSCALLS.get() : 0;
return FS.open(path, flags, mode).fd;
} catch (e) {
if (typeof FS == 'undefined' || !(e.name === 'ErrnoError')) throw e;
return -e.errno;
}
}
var nowIsMonotonic = 1;
var __emscripten_get_now_is_monotonic = () => nowIsMonotonic;
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) {
if (Module['setImmediates'] === undefined) 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 && SDL.audio.queueNewAudioData) 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()) {
if (Module['onExit']) 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);
if (Module['postMainLoop']) 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);
if (onload) onload(byteArray);
};
img.onerror = (event) => {
err(`Image ${url} could not be decoded`);
if (onerror) 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;
if (onload) onload(byteArray);
}
function fail() {
if (done) return;
done = true;
preloadedAudios[name] = new Audio(); // empty shim
if (onerror) 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);
}
}
if (Module['onFullScreen']) Module['onFullScreen'](Browser.isFullscreen);
if (Module['onFullscreen']) Module['onFullscreen'](Browser.isFullscreen);
}
if (!Browser.fullscreenHandlersInstalled) {
Browser.fullscreenHandlersInstalled = true;
document.addEventListener('fullscreenchange', fullscreenChange, false);
document.addEventListener('mozfullscreenchange', fullscreenChange, false);
document.addEventListener('webkitfullscreenchange', fullscreenChange, false);
document.addEventListener('MSFullscreenChange', fullscreenChange, false);
}
// 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) {
if (!window.getUserMedia) {
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:{
},
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);
}
// check if SDL is available
if (typeof SDL != "undefined") {
Browser.mouseX = SDL.mouseX + Browser.mouseMovementX;
Browser.mouseY = SDL.mouseY + Browser.mouseMovementY;
} else {
// just add the mouse delta to the current absolut mouse position
// FIXME: ideally this should be clamped against the canvas size and zero
Browser.mouseX += Browser.mouseMovementX;
Browser.mouseY += Browser.mouseMovementY;
}
} else {
// Otherwise, 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.');
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 adjustedX = touch.pageX - (scrollX + rect.left);
var adjustedY = touch.pageY - (scrollY + rect.top);
adjustedX = adjustedX * (cw / rect.width);
adjustedY = adjustedY * (ch / rect.height);
var coords = { x: adjustedX, y: adjustedY };
if (event.type === 'touchstart') {
Browser.lastTouches[touch.identifier] = coords;
Browser.touches[touch.identifier] = coords;
} else if (event.type === 'touchend' || event.type === 'touchmove') {
var last = Browser.touches[touch.identifier];
if (!last) last = coords;
Browser.lastTouches[touch.identifier] = last;
Browser.touches[touch.identifier] = coords;
}
return;
}
var x = event.pageX - (scrollX + rect.left);
var y = event.pageY - (scrollY + rect.top);
// the canvas might be CSS-scaled compared to its backbuffer;
// SDL-using content will want mouse coordinates in terms
// of backbuffer units.
x = x * (cw / rect.width);
y = y * (ch / rect.height);
Browser.mouseMovementX = x - Browser.mouseX;
Browser.mouseMovementY = y - Browser.mouseY;
Browser.mouseX = x;
Browser.mouseY = y;
}
},
resizeListeners:[],
updateResizeListeners() {
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 GL = {
counter:1,
buffers:[],
programs:[],
framebuffers:[],
renderbuffers:[],
textures:[],
shaders:[],
vaos:[],
contexts:[],
offscreenCanvases:{
},
queries:[],
stringCache:{
},
unpackAlignment:4,
recordError:function 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;
},
getSource:(shader, count, string, length) => {
var source = '';
for (var i = 0; i < count; ++i) {
var len = length ? HEAP32[(((length)+(i*4))>>2)] : -1;
source += UTF8ToString(HEAP32[(((string)+(i*4))>>2)], len < 0 ? undefined : 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 && 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.
if (!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);
// .getSupportedExtensions() can return null if context is lost, so coerce
// to empty array.
var exts = GLctx.getSupportedExtensions() || [];
exts.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);
}
});
},
getExtensions() {
// .getSupportedExtensions() can return null if context is lost, so coerce to empty array.
var exts = GLctx.getSupportedExtensions() || [];
exts = exts.concat(exts.map((e) => "GL_" + e));
return exts;
},
};
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 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 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].apply(null, args);
};
var _emscripten_asm_const_int = (code, sigPtr, argbuf) => {
return runEmAsmFunction(code, sigPtr, argbuf);
};
var runMainThreadEmAsm = (code, sigPtr, argbuf, sync) => {
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].apply(null, args);
};
var _emscripten_asm_const_int_sync_on_main_thread = (code, sigPtr, argbuf) => {
return runMainThreadEmAsm(code, sigPtr, argbuf, 1);
};
var _emscripten_date_now = () => Date.now();
var withStackSave = (f) => {
var stack = stackSave();
var ret = f();
stackRestore(stack);
return ret;
};
var JSEvents = {
inEventHandler:0,
removeAllEventListeners() {
for (var i = JSEvents.eventHandlers.length-1; i >= 0; --i) {
JSEvents._removeHandler(i);
}
JSEvents.eventHandlers = [];
JSEvents.deferredCalls = [];
},
registerRemoveEventListeners() {
if (!JSEvents.removeEventListenersRegistered) {
__ATEXIT__.push(JSEvents.removeAllEventListeners);
JSEvents.removeEventListenersRegistered = true;
}
},
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 i in JSEvents.deferredCalls) {
var call = JSEvents.deferredCalls[i];
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) {
for (var i = 0; i < JSEvents.deferredCalls.length; ++i) {
if (JSEvents.deferredCalls[i].targetFunction == targetFunction) {
JSEvents.deferredCalls.splice(i, 1);
--i;
}
}
},
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;
}
for (var i = 0; i < JSEvents.deferredCalls.length; ++i) {
var call = JSEvents.deferredCalls[i];
JSEvents.deferredCalls.splice(i, 1);
--i;
call.targetFunction.apply(null, call.argsList);
}
},
eventHandlers:[],
removeAllHandlersOnTarget:(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;
}
var jsEventHandler = function jsEventHandler(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;
};
if (eventHandler.callbackfunc) {
eventHandler.eventListenerFunc = jsEventHandler;
eventHandler.target.addEventListener(eventHandler.eventTypeString, jsEventHandler, eventHandler.useCapture);
JSEvents.eventHandlers.push(eventHandler);
JSEvents.registerRemoveEventListeners();
} else {
for (var i = 0; i < JSEvents.eventHandlers.length; ++i) {
if (JSEvents.eventHandlers[i].target == eventHandler.target
&& JSEvents.eventHandlers[i].eventTypeString == eventHandler.eventTypeString) {
JSEvents._removeHandler(i--);
}
}
}
return 0;
},
getNodeNameForTarget(target) {
if (!target) return '';
if (target == window) return '#window';
if (target == screen) return '#screen';
return (target && target.nodeName) ? 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;
};
var specialHTMLTargets = [0, typeof document != 'undefined' ? document : 0, typeof window != 'undefined' ? window : 0];
var findEventTarget = (target) => {
target = maybeCStringToJsString(target);
var domElement = specialHTMLTargets[target] || (typeof document != 'undefined' ? document.querySelector(target) : undefined);
return domElement;
};
var findCanvasEventTarget = (target) => findEventTarget(target);
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 stringToUTF8OnStack = (str) => {
var size = lengthBytesUTF8(str) + 1;
var ret = stackAlloc(size);
stringToUTF8(str, ret, size);
return ret;
};
var getCanvasElementSize = (target) => withStackSave(() => {
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)]];
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.
withStackSave(() => {
var targetInt = stringToUTF8OnStack(target.id);
_emscripten_set_canvas_element_size(targetInt, width, height);
});
}
};
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_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') {
HEAP32[(((eventStruct+i*4)+(1040))>>2)] = e.buttons[i].pressed;
} else {
// Assigning a boolean to HEAP32, that's ok, but Closure would like to warn about it:
/** @suppress {checkTypes} */
HEAP32[(((eventStruct+i*4)+(1040))>>2)] = e.buttons[i] == 1;
}
}
HEAP32[(((eventStruct)+(1296))>>2)] = e.connected;
HEAP32[(((eventStruct)+(1300))>>2)] = e.index;
HEAP32[(((eventStruct)+(8))>>2)] = e.axes.length;
HEAP32[(((eventStruct)+(12))>>2)] = e.buttons.length;
stringToUTF8(e.id, eventStruct + 1304, 64);
stringToUTF8(e.mapping, eventStruct + 1368, 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 _emscripten_get_screen_size = (width, height) => {
HEAP32[((width)>>2)] = screen.width;
HEAP32[((height)>>2)] = screen.height;
};
/** @suppress {duplicate } */
function _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 } */
function _glBlendColor(x0, x1, x2, x3) { GLctx.blendColor(x0, x1, x2, x3) }
var _emscripten_glBlendColor = _glBlendColor;
/** @suppress {duplicate } */
function _glBlendEquation(x0) { GLctx.blendEquation(x0) }
var _emscripten_glBlendEquation = _glBlendEquation;
/** @suppress {duplicate } */
function _glBlendEquationSeparate(x0, x1) { GLctx.blendEquationSeparate(x0, x1) }
var _emscripten_glBlendEquationSeparate = _glBlendEquationSeparate;
/** @suppress {duplicate } */
function _glBlendFunc(x0, x1) { GLctx.blendFunc(x0, x1) }
var _emscripten_glBlendFunc = _glBlendFunc;
/** @suppress {duplicate } */
function _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 } */
function _glCheckFramebufferStatus(x0) { return GLctx.checkFramebufferStatus(x0) }
var _emscripten_glCheckFramebufferStatus = _glCheckFramebufferStatus;
/** @suppress {duplicate } */
function _glClear(x0) { GLctx.clear(x0) }
var _emscripten_glClear = _glClear;
/** @suppress {duplicate } */
function _glClearColor(x0, x1, x2, x3) { GLctx.clearColor(x0, x1, x2, x3) }
var _emscripten_glClearColor = _glClearColor;
/** @suppress {duplicate } */
function _glClearDepthf(x0) { GLctx.clearDepth(x0) }
var _emscripten_glClearDepthf = _glClearDepthf;
/** @suppress {duplicate } */
function _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 } */
function _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 } */
function _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 } */
function _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 } */
function _glDepthFunc(x0) { GLctx.depthFunc(x0) }
var _emscripten_glDepthFunc = _glDepthFunc;
/** @suppress {duplicate } */
var _glDepthMask = (flag) => {
GLctx.depthMask(!!flag);
};
var _emscripten_glDepthMask = _glDepthMask;
/** @suppress {duplicate } */
function _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 } */
function _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 } */
function _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 } */
function _glFinish() { GLctx.finish() }
var _emscripten_glFinish = _glFinish;
/** @suppress {duplicate } */
function _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 } */
function _glFrontFace(x0) { GLctx.frontFace(x0) }
var _emscripten_glFrontFace = _glFrontFace;
var __glGenObject = (n, buffers, createFunction, objectTable
) => {
for (var i = 0; i < n; i++) {
var buffer = GLctx[createFunction]();
var id = buffer && GL.getNewId(objectTable);
if (buffer) {
buffer.name = id;
objectTable[id] = buffer;
} else {
GL.recordError(0x502 /* GL_INVALID_OPERATION */);
}
HEAP32[(((buffers)+(i*4))>>2)] = id;
}
};
/** @suppress {duplicate } */
var _glGenBuffers = (n, buffers) => {
__glGenObject(n, buffers, 'createBuffer', GL.buffers
);
};
var _emscripten_glGenBuffers = _glGenBuffers;
/** @suppress {duplicate } */
var _glGenFramebuffers = (n, ids) => {
__glGenObject(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) => {
__glGenObject(n, renderbuffers, 'createRenderbuffer', GL.renderbuffers
);
};
var _emscripten_glGenRenderbuffers = _glGenRenderbuffers;
/** @suppress {duplicate } */
var _glGenTextures = (n, textures) => {
__glGenObject(n, textures, 'createTexture', GL.textures
);
};
var _emscripten_glGenTextures = _glGenTextures;
/** @suppress {duplicate } */
function _glGenVertexArrays(n, arrays) {
__glGenObject(n, arrays, 'createVertexArray', GL.vaos
);
}
/** @suppress {duplicate } */
var _glGenVertexArraysOES = _glGenVertexArrays;
var _emscripten_glGenVertexArraysOES = _glGenVertexArraysOES;
/** @suppress {duplicate } */
function _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))>>0)] = 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)>>0)] = 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;
/** @suppress {duplicate } */
var _glGetString = (name_) => {
var ret = GL.stringCache[name_];
if (!ret) {
switch (name_) {
case 0x1F03 /* GL_EXTENSIONS */:
ret = stringToNewUTF8(GL.getExtensions().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 } */
function _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 } */
function _glIsEnabled(x0) { return 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 } */
function _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 == 0xCF5 /* GL_UNPACK_ALIGNMENT */) {
GL.unpackAlignment = param;
}
GLctx.pixelStorei(pname, param);
};
var _emscripten_glPixelStorei = _glPixelStorei;
/** @suppress {duplicate } */
function _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, alignment) => {
function roundedToNextMultipleOf(x, y) {
return (x + y - 1) & -y;
}
var plainRowSize = width * sizePerPixel;
var alignedRowSize = roundedToNextMultipleOf(plainRowSize, alignment);
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 heapAccessShiftForWebGLHeap = (heap) => 31 - Math.clz32(heap.BYTES_PER_ELEMENT);
var emscriptenWebGLGetTexPixelData = (type, format, width, height, pixels, internalFormat) => {
var heap = heapObjectForWebGLType(type);
var shift = heapAccessShiftForWebGLHeap(heap);
var byteSize = 1<<shift;
var sizePerPixel = colorChannelsInGlTextureFormat(format) * byteSize;
var bytes = computeUnpackAlignedImageSize(width, height, sizePerPixel, GL.unpackAlignment);
return heap.subarray(pixels >> shift, pixels + bytes >> shift);
};
/** @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 } */
function _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 } */
function _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 } */
function _glStencilFunc(x0, x1, x2) { GLctx.stencilFunc(x0, x1, x2) }
var _emscripten_glStencilFunc = _glStencilFunc;
/** @suppress {duplicate } */
function _glStencilFuncSeparate(x0, x1, x2, x3) { GLctx.stencilFuncSeparate(x0, x1, x2, x3) }
var _emscripten_glStencilFuncSeparate = _glStencilFuncSeparate;
/** @suppress {duplicate } */
function _glStencilMask(x0) { GLctx.stencilMask(x0) }
var _emscripten_glStencilMask = _glStencilMask;
/** @suppress {duplicate } */
function _glStencilMaskSeparate(x0, x1) { GLctx.stencilMaskSeparate(x0, x1) }
var _emscripten_glStencilMaskSeparate = _glStencilMaskSeparate;
/** @suppress {duplicate } */
function _glStencilOp(x0, x1, x2) { GLctx.stencilOp(x0, x1, x2) }
var _emscripten_glStencilOp = _glStencilOp;
/** @suppress {duplicate } */
function _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) => {
GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, pixels ? emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, internalFormat) : null);
};
var _emscripten_glTexImage2D = _glTexImage2D;
/** @suppress {duplicate } */
function _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 } */
function _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 = null;
if (pixels) pixelData = emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, 0);
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-1];
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-1];
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-1];
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-1];
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-1];
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-1];
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-1];
// hoist the heap out of the loop for size and for pthreads+growth.
var heap = HEAPF32;
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-1];
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-1];
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-1];
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-1];
// hoist the heap out of the loop for size and for pthreads+growth.
var heap = HEAPF32;
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 } */
function _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 } */
function _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 } */
function _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 } */
function _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 } */
function _glViewport(x0, x1, x2, x3) { GLctx.viewport(x0, x1, x2, x3) }
var _emscripten_glViewport = _glViewport;
var _emscripten_has_asyncify = () => 0;
var _emscripten_memcpy_js = (dest, src, num) => HEAPU8.copyWithin(dest, src, src + num);
var doRequestFullscreen = (target, strategy) => {
if (!JSEvents.fullscreenEnabled()) return -1;
target = findEventTarget(target);
if (!target) return -4;
if (!target.requestFullscreen
&& !target.webkitRequestFullscreen
) {
return -3;
}
var canPerformRequests = JSEvents.canPerformEventHandlerRequests();
// Queue this function call if we're not currently in an event handler and the user saw it appropriate to do so.
if (!canPerformRequests) {
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;
}
var canPerformRequests = JSEvents.canPerformEventHandlerRequests();
// Queue this function call if we're not currently in an event handler and the user saw it appropriate to do so.
if (!canPerformRequests) {
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);
};
var _emscripten_sample_gamepad_data = () => {
return (JSEvents.lastGamepadState = (navigator.getGamepads ? navigator.getGamepads() : (navigator.webkitGetGamepads ? navigator.webkitGetGamepads() : null)))
? 0 : -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) => {
return 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) => {
return 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} */
HEAP32[((eventStruct)>>2)] = isFullscreen;
HEAP32[(((eventStruct)+(4))>>2)] = 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 && reportedElement.id) ? reportedElement.id : '';
stringToUTF8(nodeName, eventStruct + 8, 128);
stringToUTF8(id, eventStruct + 136, 128);
HEAP32[(((eventStruct)+(264))>>2)] = reportedElement ? reportedElement.clientWidth : 0;
HEAP32[(((eventStruct)+(268))>>2)] = reportedElement ? reportedElement.clientHeight : 0;
HEAP32[(((eventStruct)+(272))>>2)] = screen.width;
HEAP32[(((eventStruct)+(276))>>2)] = screen.height;
if (isFullscreen) {
JSEvents.previousFullscreenElement = fullscreenElement;
}
};
var registerFullscreenChangeEventCallback = (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) => {
if (!JSEvents.fullscreenChangeEvent) JSEvents.fullscreenChangeEvent = _malloc(280);
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(1432);
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 (!navigator.getGamepads && !navigator.webkitGetGamepads) return -1;
return registerGamepadEventCallback(2, userData, useCapture, callbackfunc, 26, "gamepadconnected", targetThread);
};
var _emscripten_set_gamepaddisconnected_callback_on_thread = (userData, useCapture, callbackfunc, targetThread) => {
if (!navigator.getGamepads && !navigator.webkitGetGamepads) 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(176);
var keyEventHandlerFunc = (e) => {
assert(e);
var keyEventData = JSEvents.keyEvent;
HEAPF64[((keyEventData)>>3)] = e.timeStamp;
var idx =((keyEventData)>>2);
HEAP32[idx + 2] = e.location;
HEAP32[idx + 3] = e.ctrlKey;
HEAP32[idx + 4] = e.shiftKey;
HEAP32[idx + 5] = e.altKey;
HEAP32[idx + 6] = e.metaKey;
HEAP32[idx + 7] = e.repeat;
HEAP32[idx + 8] = e.charCode;
HEAP32[idx + 9] = e.keyCode;
HEAP32[idx + 10] = e.which;
stringToUTF8(e.key || '', keyEventData + 44, 32);
stringToUTF8(e.code || '', keyEventData + 76, 32);
stringToUTF8(e.char || '', keyEventData + 108, 32);
stringToUTF8(e.locale || '', keyEventData + 140, 32);
if (getWasmTableEntry(callbackfunc)(eventTypeId, keyEventData, userData)) e.preventDefault();
};
var eventHandler = {
target: findEventTarget(target),
allowsDeferredCalls: true,
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;
HEAP32[idx + 6] = e.ctrlKey;
HEAP32[idx + 7] = e.shiftKey;
HEAP32[idx + 8] = e.altKey;
HEAP32[idx + 9] = e.metaKey;
HEAP16[idx*2 + 20] = e.button;
HEAP16[idx*2 + 21] = e.buttons;
HEAP32[idx + 11] = e["movementX"]
;
HEAP32[idx + 12] = e["movementY"]
;
var rect = getBoundingClientRect(target);
HEAP32[idx + 13] = e.clientX - rect.left;
HEAP32[idx + 14] = e.clientY - rect.top;
};
var registerMouseEventCallback = (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) => {
if (!JSEvents.mouseEvent) JSEvents.mouseEvent = _malloc(72);
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} */
HEAP32[((eventStruct)>>2)] = isPointerlocked;
var nodeName = JSEvents.getNodeNameForTarget(pointerLockElement);
var id = (pointerLockElement && pointerLockElement.id) ? pointerLockElement.id : '';
stringToUTF8(nodeName, eventStruct + 4, 128);
stringToUTF8(id, eventStruct + 132, 128);
};
var registerPointerlockChangeEventCallback = (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) => {
if (!JSEvents.pointerlockChangeEvent) JSEvents.pointerlockChangeEvent = _malloc(260);
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)] = e.detail;
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;
HEAP32[(((uiEvent)+(32))>>2)] = pageYOffset;
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(1696);
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 (var i = 0; i < et.length; ++i) {
t = et[i];
// 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 (var i = 0; i < e.changedTouches.length; ++i) {
t = e.changedTouches[i];
t.isChanged = 1;
touches[t.identifier] = t;
}
// Mark which touches are part of the targetTouches list.
for (var i = 0; i < e.targetTouches.length; ++i) {
touches[e.targetTouches[i].identifier].onTarget = 1;
}
var touchEvent = JSEvents.touchEvent;
HEAPF64[((touchEvent)>>3)] = e.timeStamp;
var idx =((touchEvent)>>2);// Pre-shift the ptr to index to HEAP32 to save code size
HEAP32[idx + 3] = e.ctrlKey;
HEAP32[idx + 4] = e.shiftKey;
HEAP32[idx + 5] = e.altKey;
HEAP32[idx + 6] = e.metaKey;
idx += 7; // Advance to the start of the touch array.
var targetRect = getBoundingClientRect(target);
var numTouches = 0;
for (var i in touches) {
t = touches[i];
HEAP32[idx + 0] = t.identifier;
HEAP32[idx + 1] = t.screenX;
HEAP32[idx + 2] = t.screenY;
HEAP32[idx + 3] = t.clientX;
HEAP32[idx + 4] = t.clientY;
HEAP32[idx + 5] = t.pageX;
HEAP32[idx + 6] = t.pageY;
HEAP32[idx + 7] = t.isChanged;
HEAP32[idx + 8] = t.onTarget;
HEAP32[idx + 9] = t.clientX - targetRect.left;
HEAP32[idx + 10] = t.clientY - targetRect.top;
idx += 13;
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} */
HEAP32[((eventStruct)>>2)] = 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(104);
// The DOM Level 3 events spec event 'wheel'
var wheelHandlerFunc = (e = event) => {
var wheelEvent = JSEvents.wheelEvent;
fillMouseEventData(wheelEvent, e, target);
HEAPF64[(((wheelEvent)+(72))>>3)] = e["deltaX"];
HEAPF64[(((wheelEvent)+(80))>>3)] = e["deltaY"];
HEAPF64[(((wheelEvent)+(88))>>3)] = e["deltaZ"];
HEAP32[(((wheelEvent)+(96))>>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++)>>0)] = str.charCodeAt(i);
}
// Null-terminate the string
HEAP8[((buffer)>>0)] = 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 FS_unlink = (path) => FS.unlink(path);
var FSNode = /** @constructor */ function(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;
};
var readMode = 292/*292*/ | 73/*73*/;
var writeMode = 146/*146*/;
Object.defineProperties(FSNode.prototype, {
read: {
get: /** @this{FSNode} */function() {
return (this.mode & readMode) === readMode;
},
set: /** @this{FSNode} */function(val) {
val ? this.mode |= readMode : this.mode &= ~readMode;
}
},
write: {
get: /** @this{FSNode} */function() {
return (this.mode & writeMode) === writeMode;
},
set: /** @this{FSNode} */function(val) {
val ? this.mode |= writeMode : this.mode &= ~writeMode;
}
},
isFolder: {
get: /** @this{FSNode} */function() {
return FS.isDir(this.mode);
}
},
isDevice: {
get: /** @this{FSNode} */function() {
return FS.isChrdev(this.mode);
}
}
});
FS.FSNode = FSNode;
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);
for (/**@suppress{duplicate}*/var i = 0; i < 288; ++i) {
miniTempWebGLFloatBuffers[i] = miniTempWebGLFloatBuffersStorage.subarray(0, i+1);
};
var miniTempWebGLIntBuffersStorage = new Int32Array(288);
for (/**@suppress{duplicate}*/var i = 0; i < 288; ++i) {
miniTempWebGLIntBuffers[i] = miniTempWebGLIntBuffersStorage.subarray(0, i+1);
};
function checkIncomingModuleAPI() {
ignoredModuleProp('fetchSettings');
}
var wasmImports = {
/** @export */
__syscall_fcntl64: ___syscall_fcntl64,
/** @export */
__syscall_ioctl: ___syscall_ioctl,
/** @export */
__syscall_openat: ___syscall_openat,
/** @export */
_emscripten_get_now_is_monotonic: __emscripten_get_now_is_monotonic,
/** @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_date_now: _emscripten_date_now,
/** @export */
emscripten_exit_fullscreen: _emscripten_exit_fullscreen,
/** @export */
emscripten_exit_pointerlock: _emscripten_exit_pointerlock,
/** @export */
emscripten_get_device_pixel_ratio: _emscripten_get_device_pixel_ratio,
/** @export */
emscripten_get_element_css_size: _emscripten_get_element_css_size,
/** @export */
emscripten_get_gamepad_status: _emscripten_get_gamepad_status,
/** @export */
emscripten_get_now: _emscripten_get_now,
/** @export */
emscripten_get_num_gamepads: _emscripten_get_num_gamepads,
/** @export */
emscripten_get_screen_size: _emscripten_get_screen_size,
/** @export */
emscripten_glActiveTexture: _emscripten_glActiveTexture,
/** @export */
emscripten_glAttachShader: _emscripten_glAttachShader,
/** @export */
emscripten_glBeginQueryEXT: _emscripten_glBeginQueryEXT,
/** @export */
emscripten_glBindAttribLocation: _emscripten_glBindAttribLocation,
/** @export */
emscripten_glBindBuffer: _emscripten_glBindBuffer,
/** @export */
emscripten_glBindFramebuffer: _emscripten_glBindFramebuffer,
/** @export */
emscripten_glBindRenderbuffer: _emscripten_glBindRenderbuffer,
/** @export */
emscripten_glBindTexture: _emscripten_glBindTexture,
/** @export */
emscripten_glBindVertexArrayOES: _emscripten_glBindVertexArrayOES,
/** @export */
emscripten_glBlendColor: _emscripten_glBlendColor,
/** @export */
emscripten_glBlendEquation: _emscripten_glBlendEquation,
/** @export */
emscripten_glBlendEquationSeparate: _emscripten_glBlendEquationSeparate,
/** @export */
emscripten_glBlendFunc: _emscripten_glBlendFunc,
/** @export */
emscripten_glBlendFuncSeparate: _emscripten_glBlendFuncSeparate,
/** @export */
emscripten_glBufferData: _emscripten_glBufferData,
/** @export */
emscripten_glBufferSubData: _emscripten_glBufferSubData,
/** @export */
emscripten_glCheckFramebufferStatus: _emscripten_glCheckFramebufferStatus,
/** @export */
emscripten_glClear: _emscripten_glClear,
/** @export */
emscripten_glClearColor: _emscripten_glClearColor,
/** @export */
emscripten_glClearDepthf: _emscripten_glClearDepthf,
/** @export */
emscripten_glClearStencil: _emscripten_glClearStencil,
/** @export */
emscripten_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_memcpy_js: _emscripten_memcpy_js,
/** @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
};
var wasmExports = createWasm();
var ___wasm_call_ctors = createExportWrapper('__wasm_call_ctors');
var _main = Module['_main'] = createExportWrapper('__main_argc_argv');
var _free = createExportWrapper('free');
var _malloc = createExportWrapper('malloc');
var ___errno_location = createExportWrapper('__errno_location');
var _fflush = Module['_fflush'] = createExportWrapper('fflush');
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 stackSave = createExportWrapper('stackSave');
var stackRestore = createExportWrapper('stackRestore');
var stackAlloc = createExportWrapper('stackAlloc');
var _emscripten_stack_get_current = () => (_emscripten_stack_get_current = wasmExports['emscripten_stack_get_current'])();
var dynCall_jiji = Module['dynCall_jiji'] = createExportWrapper('dynCall_jiji');
var dynCall_ji = Module['dynCall_ji'] = createExportWrapper('dynCall_ji');
// include: postamble.js
// === Auto-generated postamble setup entry stuff ===
Module['addRunDependency'] = addRunDependency;
Module['removeRunDependency'] = removeRunDependency;
Module['FS_createPath'] = FS.createPath;
Module['FS_createLazyFile'] = FS.createLazyFile;
Module['FS_createDevice'] = FS.createDevice;
Module['FS_createPreloadedFile'] = FS.createPreloadedFile;
Module['FS_createDataFile'] = FS.createDataFile;
Module['FS_unlink'] = FS.unlink;
var missingLibrarySymbols = [
'writeI53ToI64Clamped',
'writeI53ToI64Signaling',
'writeI53ToU64Clamped',
'writeI53ToU64Signaling',
'convertI32PairToI53',
'convertU32PairToI53',
'growMemory',
'isLeapYear',
'ydayFromDate',
'arraySum',
'addDays',
'inetPton4',
'inetNtop4',
'inetPton6',
'inetNtop6',
'readSockaddr',
'writeSockaddr',
'getHostByName',
'getCallstack',
'emscriptenLog',
'convertPCtoSourceLocation',
'jstoi_s',
'getDynCaller',
'runtimeKeepalivePush',
'runtimeKeepalivePop',
'asmjsMangle',
'handleAllocatorInit',
'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',
'stackTrace',
'checkWasiClock',
'wasiRightsToMuslOFlags',
'wasiOFlagsToMuslOFlags',
'createDyncallWrapper',
'setImmediateWrapped',
'clearImmediateWrapped',
'polyfillSetImmediate',
'getPromise',
'makePromise',
'idsToPromises',
'makePromiseCallback',
'ExceptionInfo',
'findMatchingCatch',
'getSocketFromFD',
'getSocketAddress',
'FS_mkdirTree',
'_setNetworkCallback',
'writeGLArray',
'registerWebGlEventCallback',
'runAndAbortIfError',
'ALLOC_NORMAL',
'ALLOC_STACK',
'allocate',
'writeStringToMemory',
'writeAsciiToMemory',
];
missingLibrarySymbols.forEach(missingLibrarySymbol)
var unexportedSymbols = [
'run',
'addOnPreRun',
'addOnInit',
'addOnPreMain',
'addOnExit',
'addOnPostRun',
'FS_createFolder',
'FS_createLink',
'FS_readFile',
'out',
'err',
'callMain',
'abort',
'wasmMemory',
'wasmExports',
'stackAlloc',
'stackSave',
'stackRestore',
'getTempRet0',
'setTempRet0',
'writeStackCookie',
'checkStackCookie',
'writeI53ToI64',
'readI53FromI64',
'readI53FromU64',
'convertI32PairToI53Checked',
'ptrToString',
'zeroMemory',
'exitJS',
'getHeapMax',
'abortOnCannotGrowMemory',
'ENV',
'MONTH_DAYS_REGULAR',
'MONTH_DAYS_LEAP',
'MONTH_DAYS_REGULAR_CUMULATIVE',
'MONTH_DAYS_LEAP_CUMULATIVE',
'ERRNO_CODES',
'ERRNO_MESSAGES',
'setErrNo',
'DNS',
'Protocols',
'Sockets',
'initRandomFill',
'randomFill',
'timers',
'warnOnce',
'UNWIND_CACHE',
'readEmAsmArgsArray',
'readEmAsmArgs',
'runEmAsmFunction',
'runMainThreadEmAsm',
'jstoi_q',
'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',
'demangle',
'demangleAll',
'ExitStatus',
'getEnvStrings',
'doReadv',
'doWritev',
'safeSetTimeout',
'promiseMap',
'uncaughtExceptionCount',
'exceptionLast',
'exceptionCaught',
'Browser',
'setMainLoop',
'wget',
'SYSCALLS',
'preloadPlugins',
'FS_modeStringToFlags',
'FS_getMode',
'FS_stdin_getChar_buffer',
'FS_stdin_getChar',
'FS',
'MEMFS',
'TTY',
'PIPEFS',
'SOCKFS',
'tempFixedLengthArray',
'miniTempWebGLFloatBuffers',
'miniTempWebGLIntBuffers',
'heapObjectForWebGLType',
'heapAccessShiftForWebGLHeap',
'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',
'__glGenObject',
'emscriptenWebGLGetUniform',
'webglGetUniformLocation',
'webglPrepareUniformLocationsBeforeFirstUse',
'webglGetLeftBracePos',
'emscriptenWebGLGetVertexAttrib',
'__glGetActiveAttribOrUniform',
'emscripten_webgl_power_preferences',
'AL',
'GLUT',
'EGL',
'GLEW',
'IDBStore',
'allocateUTF8',
'allocateUTF8OnStack',
];
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();
if (Module['onRuntimeInitialized']) 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 && tty.output && 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