// 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 = 'pge.data';
var REMOTE_PACKAGE_BASE = 'pge.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']("/", "assets", 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 ${that.name}`);
this.requests[this.name] = null;
}
};
var files = metadata['files'];
for (var i = 0; i < files.length; ++i) {
new DataRequest(files[i]['start'], files[i]['end'], files[i]['audio'] || 0).open('GET', files[i]['filename']);
}
function processPackageData(arrayBuffer) {
assert(arrayBuffer, 'Loading data file failed.');
assert(arrayBuffer.constructor.name === ArrayBuffer.name, 'bad input to processPackageData');
var byteArray = new Uint8Array(arrayBuffer);
var curr;
// Reuse the bytearray from the XHR as the source for file reads.
DataRequest.prototype.byteArray = byteArray;
var files = metadata['files'];
for (var i = 0; i < files.length; ++i) {
DataRequest.prototype.requests[files[i].filename].onload();
} Module['removeRunDependency']('datafile_pge.data');
};
Module['addRunDependency']('datafile_pge.data');
if (!Module.preloadResults) Module.preloadResults = {};
Module.preloadResults[PACKAGE_NAME] = {fromCache: false};
if (fetched) {
processPackageData(fetched);
fetched = null;
} else {
fetchedCallback = processPackageData;
}
}
if (Module['calledRun']) {
runWithFS();
} else {
if (!Module['preRun']) Module['preRun'] = [];
Module["preRun"].push(runWithFS); // FS is not initialized yet, wait for it
}
}
loadPackage({"files": [{"filename": "/assets/Vast Horizons.wav", "start": 0, "end": 49444908, "audio": 1}], "remote_package_size": 49444908});
})();
// All the pre-js content up to here must remain later on, we need to run
// it.
if (Module['ENVIRONMENT_IS_PTHREAD'] || Module['$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,
setWindowTitle;
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 = 101900;
if (numericVersion < 101900) {
throw new Error('This emscripten-generated code requires node v10.19.19.0 (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;
}
});
// Without this older versions of node (< v15) will log unhandled rejections
// but return 0, which is not normally the desired behaviour. This is
// not be needed with node v15 and about because it is now the default
// behaviour:
// See https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode
var nodeMajor = process.versions.node.split(".")[0];
if (nodeMajor < 15) {
process.on('unhandledRejection', (reason) => { throw reason; });
}
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_ = (f) => {
return read(f);
};
}
readBinary = (f) => {
let data;
if (typeof readbuffer == 'function') {
return new Uint8Array(readbuffer(f));
}
data = read(f, 'binary');
assert(typeof data == 'object');
return data;
};
readAsync = (f, onload, onerror) => {
setTimeout(() => onload(readBinary(f)), 0);
};
if (typeof clearTimeout == 'undefined') {
globalThis.clearTimeout = (id) => {};
}
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
}
setWindowTitle = (title) => document.title = title;
} 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 setWindowTitle in JS)');
assert(typeof Module['TOTAL_MEMORY'] == 'undefined', 'Module.TOTAL_MEMORY has been renamed Module.INITIAL_MEMORY');
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 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');
var noExitRuntime = Module['noExitRuntime'] || true;legacyModuleProp('noExitRuntime', 'noExitRuntime');
if (typeof WebAssembly != 'object') {
abort('no native wasm support detected');
}
// 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;
/** @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['HEAP32'] = HEAP32 = new Int32Array(b);
Module['HEAPU8'] = HEAPU8 = new Uint8Array(b);
Module['HEAPU16'] = HEAPU16 = new Uint16Array(b);
Module['HEAPU32'] = HEAPU32 = new Uint32Array(b);
Module['HEAPF32'] = HEAPF32 = new Float32Array(b);
Module['HEAPF64'] = HEAPF64 = new Float64Array(b);
}
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_init_table.js
// In regular non-RELOCATABLE mode the table is exported
// from the wasm module and this will be assigned once
// the exports are available.
var wasmTable;
// end include: runtime_init_table.js
// include: runtime_stack_check.js
// Initializes the stack cookie. Called at the startup of main and at the startup of each thread in pthreads mode.
function writeStackCookie() {
var max = _emscripten_stack_get_end();
assert((max & 3) == 0);
// If the stack ends at address zero we write our cookies 4 bytes into the
// stack. This prevents interference with the (separate) address-zero check
// below.
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] = 0x63736d65; /* 'emsc' */
}
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] !== 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;
var runtimeKeepaliveCounter = 0;
function keepRuntimeAlive() {
return noExitRuntime || runtimeKeepaliveCounter > 0;
}
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.
function isDataURI(filename) {
// Prefix of data URIs emitted by SINGLE_FILE and related options.
return filename.startsWith(dataURIPrefix);
}
// Indicates whether filename is delivered via file protocol (as opposed to http/https)
function isFileURI(filename) {
return filename.startsWith('file://');
}
// end include: URIUtils.js
/** @param {boolean=} fixedasm */
function createExportWrapper(name, fixedasm) {
return function() {
var displayName = name;
var asm = fixedasm;
if (!fixedasm) {
asm = Module['asm'];
}
assert(runtimeInitialized, 'native function `' + displayName + '` called before runtime initialization');
if (!asm[name]) {
assert(asm[name], 'exported native function `' + displayName + '` not found');
}
return asm[name].apply(null, arguments);
};
}
// include: runtime_exceptions.js
// end include: runtime_exceptions.js
var wasmBinaryFile;
wasmBinaryFile = 'pge.wasm';
if (!isDataURI(wasmBinaryFile)) {
wasmBinaryFile = locateFile(wasmBinaryFile);
}
function getBinary(file) {
try {
if (file == wasmBinaryFile && wasmBinary) {
return new Uint8Array(wasmBinary);
}
if (readBinary) {
return readBinary(file);
}
throw "both async and sync fetching of the wasm failed";
}
catch (err) {
abort(err);
}
}
function getBinaryPromise(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(() => getBinary(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, getBinary should be able to get it synchronously
return Promise.resolve().then(() => getBinary(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);
});
});
} else {
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) {
var exports = instance.exports;
Module['asm'] = exports;
wasmMemory = Module['asm']['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 = Module['asm']['__indirect_function_table'];
assert(wasmTable, "table not found in wasm exports");
addOnInit(Module['asm']['__wasm_call_ctors']);
removeRunDependency('wasm-instantiate');
return exports;
}
// 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) {
if (!Object.getOwnPropertyDescriptor(Module, prop)) {
Object.defineProperty(Module, prop, {
configurable: true,
get: function() {
abort('Module.' + prop + ' has been replaced with plain ' + newName + ' (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)');
}
});
}
}
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: function() {
warnOnce('`' + sym + '` is not longer defined by emscripten. ' + msg);
return undefined;
}
});
}
}
missingGlobal('buffer', 'Please use HEAP8.buffer or wasmMemory.buffer');
function missingLibrarySymbol(sym) {
if (typeof globalThis !== 'undefined' && !Object.getOwnPropertyDescriptor(globalThis, sym)) {
Object.defineProperty(globalThis, sym, {
configurable: true,
get: function() {
// 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: function() {
var msg = "'" + sym + "' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the 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 = {
235500: () => { window.onunload = Module._olc_OnPageUnload; },
235544: ($0, $1) => { Module.olc_AspectRatio = $0 / $1; Module.olc_AssumeDefaultShells = (document.querySelectorAll('.emscripten').length >= 3) ? true : false; var olc_ResizeHandler = function() { let isFullscreen = (document.fullscreenElement != null); let width = (isFullscreen) ? window.innerWidth : Module.canvas.parentNode.clientWidth; let height = (isFullscreen) ? window.innerHeight : Module.canvas.parentNode.clientHeight; let viewWidth = width; let viewHeight = width / Module.olc_AspectRatio; if(viewHeight > height) { viewWidth = height * Module.olc_AspectRatio; viewHeight = height; } viewWidth = parseInt(viewWidth); viewHeight = parseInt(viewHeight); setTimeout(function() { if(Module.olc_AssumeDefaultShells) Module.canvas.parentNode.setAttribute('style', 'width: 100%; height: 70vh; margin-left: auto; margin-right: auto;'); Module.canvas.setAttribute('width', viewWidth); Module.canvas.setAttribute('height', viewHeight); Module.canvas.setAttribute('style', `width: ${viewWidth}px; height: ${viewHeight}px;`); Module._olc_PGE_UpdateWindowSize(viewWidth, viewHeight); Module.canvas.focus(); }, 200); }; var olc_Init = function() { if(Module.olc_AspectRatio === undefined) { setTimeout(function() { Module.olc_Init(); }, 50); return; } let resizeObserver = new ResizeObserver(function(entries) { Module.olc_ResizeHandler(); }).observe(Module.canvas.parentNode); let mutationObserver = new MutationObserver(function(mutationsList, observer) { setTimeout(function() { Module.olc_ResizeHandler(); }, 200); }).observe(Module.canvas.parentNode, { attributes: false, childList: true, subtree: false }); window.addEventListener('fullscreenchange', function(e) { setTimeout(function() { Module.olc_ResizeHandler();}, 200); }); }; Module.olc_ResizeHandler = (Module.olc_ResizeHandler != undefined) ? Module.olc_ResizeHandler : olc_ResizeHandler; Module.olc_Init = (Module.olc_Init != undefined) ? Module.olc_Init : olc_Init; Module.olc_Init(); },
237476: () => { if (typeof(AudioContext) !== 'undefined') { return true; } else if (typeof(webkitAudioContext) !== 'undefined') { return true; } return false; },
237623: () => { if ((typeof(navigator.mediaDevices) !== 'undefined') && (typeof(navigator.mediaDevices.getUserMedia) !== 'undefined')) { return true; } else if (typeof(navigator.webkitGetUserMedia) !== 'undefined') { return true; } return false; },
237857: ($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; },
238350: () => { var SDL2 = Module['SDL2']; return SDL2.audioContext.sampleRate; },
238418: ($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); } },
240070: ($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']); },
240480: ($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'); } } } },
241085: ($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]; } } },
241565: ($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; } },
242737: ($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); },
244206: ($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; },
245195: ($0) => { if (Module['canvas']) { Module['canvas'].style['cursor'] = UTF8ToString($0); } },
245278: () => { if (Module['canvas']) { Module['canvas'].style['cursor'] = 'none'; } },
245347: () => { return window.innerWidth; },
245377: () => { return window.innerHeight; }
};
// end include: preamble.js
/** @constructor */
function ExitStatus(status) {
this.name = 'ExitStatus';
this.message = `Program terminated with exit(${status})`;
this.status = status;
}
function listenOnce(object, event, func) {
object.addEventListener(event, func, { 'once': true });
}
/** @param {Object=} elements */
function 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();
});
}
});
});
}
function callRuntimeCallbacks(callbacks) {
while (callbacks.length > 0) {
// Pass the module as the first argument.
callbacks.shift()(Module);
}
}
function 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 = [];
function 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 */
function 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': return HEAP32[((ptr)>>2)];
case 'float': return HEAPF32[((ptr)>>2)];
case 'double': return HEAPF64[((ptr)>>3)];
case '*': return HEAPU32[((ptr)>>2)];
default: abort(`invalid type for getValue: ${type}`);
}
}
function ptrToString(ptr) {
assert(typeof ptr === 'number');
return '0x' + ptr.toString(16).padStart(8, '0');
}
/**
* @param {number} ptr
* @param {number} value
* @param {string} type
*/
function setValue(ptr, value, type = 'i8') {
if (type.endsWith('*')) type = '*';
switch (type) {
case 'i1': HEAP8[((ptr)>>0)] = value; break;
case 'i8': HEAP8[((ptr)>>0)] = value; break;
case 'i16': HEAP16[((ptr)>>1)] = value; break;
case 'i32': HEAP32[((ptr)>>2)] = value; break;
case 'i64': (tempI64 = [value>>>0,(tempDouble=value,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? (+(Math.floor((tempDouble)/4294967296.0)))>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)], HEAP32[((ptr)>>2)] = tempI64[0],HEAP32[(((ptr)+(4))>>2)] = tempI64[1]); break;
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}`);
}
}
function warnOnce(text) {
if (!warnOnce.shown) warnOnce.shown = {};
if (!warnOnce.shown[text]) {
warnOnce.shown[text] = 1;
if (ENVIRONMENT_IS_NODE) text = 'warning: ' + text;
err(text);
}
}
/** @constructor */
function ExceptionInfo(excPtr) {
this.excPtr = excPtr;
this.ptr = excPtr - 24;
this.set_type = function(type) {
HEAPU32[(((this.ptr)+(4))>>2)] = type;
};
this.get_type = function() {
return HEAPU32[(((this.ptr)+(4))>>2)];
};
this.set_destructor = function(destructor) {
HEAPU32[(((this.ptr)+(8))>>2)] = destructor;
};
this.get_destructor = function() {
return HEAPU32[(((this.ptr)+(8))>>2)];
};
this.set_caught = function (caught) {
caught = caught ? 1 : 0;
HEAP8[(((this.ptr)+(12))>>0)] = caught;
};
this.get_caught = function () {
return HEAP8[(((this.ptr)+(12))>>0)] != 0;
};
this.set_rethrown = function (rethrown) {
rethrown = rethrown ? 1 : 0;
HEAP8[(((this.ptr)+(13))>>0)] = rethrown;
};
this.get_rethrown = function () {
return HEAP8[(((this.ptr)+(13))>>0)] != 0;
};
// Initialize native structure fields. Should be called once after allocated.
this.init = function(type, destructor) {
this.set_adjusted_ptr(0);
this.set_type(type);
this.set_destructor(destructor);
}
this.set_adjusted_ptr = function(adjustedPtr) {
HEAPU32[(((this.ptr)+(16))>>2)] = adjustedPtr;
};
this.get_adjusted_ptr = function() {
return HEAPU32[(((this.ptr)+(16))>>2)];
};
// Get pointer which is expected to be received by catch clause in C++ code. It may be adjusted
// when the pointer is casted to some of the exception object base classes (e.g. when virtual
// inheritance is used). When a pointer is thrown this method should return the thrown pointer
// itself.
this.get_exception_ptr = function() {
// Work around a fastcomp bug, this code is still included for some reason in a build without
// exceptions support.
var isPointer = ___cxa_is_pointer_type(this.get_type());
if (isPointer) {
return HEAPU32[((this.excPtr)>>2)];
}
var adjusted = this.get_adjusted_ptr();
if (adjusted !== 0) return adjusted;
return this.excPtr;
};
}
var exceptionLast = 0;
var uncaughtExceptionCount = 0;
function ___cxa_throw(ptr, type, destructor) {
var info = new ExceptionInfo(ptr);
// Initialize ExceptionInfo content after it was allocated in __cxa_allocate_exception.
info.init(type, destructor);
exceptionLast = ptr;
uncaughtExceptionCount++;
assert(false, 'Exception thrown, but exception catching is not enabled. Compile with -sNO_DISABLE_EXCEPTION_CATCHING or -sEXCEPTION_CATCHING_ALLOWED=[..] to catch.');
}
function 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) => {
return PATH.normalize(l + '/' + r);
}};
function 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: function(array) { for (var i = 0; i < array.length; i++) array[i] = (Math.random()*256)|0 } };");
}
function 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('/');
}};
function 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;
}
function stringToUTF8Array(str, heap, outIdx, maxBytesToWrite) {
assert(typeof str === 'string');
// 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 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}
*/
function 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 TTY = {ttys:[],init:function () {
// 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:function() {
// 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:function(dev, ops) {
TTY.ttys[dev] = { input: [], output: [], ops: ops };
FS.registerDevice(dev, TTY.stream_ops);
},stream_ops:{open:function(stream) {
var tty = TTY.ttys[stream.node.rdev];
if (!tty) {
throw new FS.ErrnoError(43);
}
stream.tty = tty;
stream.seekable = false;
},close:function(stream) {
// flush any pending line data
stream.tty.ops.fsync(stream.tty);
},fsync:function(stream) {
stream.tty.ops.fsync(stream.tty);
},read:function(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:function(stream, buffer, offset, length, pos) {
if (!stream.tty || !stream.tty.ops.put_char) {
throw new FS.ErrnoError(60);
}
try {
for (var i = 0; i < length; i++) {
stream.tty.ops.put_char(stream.tty, buffer[offset+i]);
}
} catch (e) {
throw new FS.ErrnoError(29);
}
if (length) {
stream.node.timestamp = Date.now();
}
return i;
}},default_tty_ops:{get_char:function(tty) {
if (!tty.input.length) {
var result = null;
if (ENVIRONMENT_IS_NODE) {
// we will read data by chunks of BUFSIZE
var BUFSIZE = 256;
var buf = Buffer.alloc(BUFSIZE);
var bytesRead = 0;
try {
bytesRead = fs.readSync(process.stdin.fd, buf, 0, BUFSIZE, -1);
} 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;
}
tty.input = intArrayFromString(result, true);
}
return tty.input.shift();
},put_char:function(tty, val) {
if (val === null || val === 10) {
out(UTF8ArrayToString(tty.output, 0));
tty.output = [];
} else {
if (val != 0) tty.output.push(val); // val == 0 would cut text output off in the middle.
}
},fsync:function(tty) {
if (tty.output && tty.output.length > 0) {
out(UTF8ArrayToString(tty.output, 0));
tty.output = [];
}
}},default_tty1_ops:{put_char:function(tty, val) {
if (val === null || val === 10) {
err(UTF8ArrayToString(tty.output, 0));
tty.output = [];
} else {
if (val != 0) tty.output.push(val);
}
},fsync:function(tty) {
if (tty.output && tty.output.length > 0) {
err(UTF8ArrayToString(tty.output, 0));
tty.output = [];
}
}}};
function zeroMemory(address, size) {
HEAPU8.fill(0, address, address + size);
return address;
}
function alignMemory(size, alignment) {
assert(alignment, "alignment argument is required");
return Math.ceil(size / alignment) * alignment;
}
function mmapAlloc(size) {
abort('internal error: mmapAlloc called but `emscripten_builtin_memalign` native symbol not exported');
}
var MEMFS = {ops_table:null,mount:function(mount) {
return MEMFS.createNode(null, '/', 16384 | 511 /* 0777 */, 0);
},createNode:function(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:function(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:function(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:function(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:function(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:function(node, attr) {
if (attr.mode !== undefined) {
node.mode = attr.mode;
}
if (attr.timestamp !== undefined) {
node.timestamp = attr.timestamp;
}
if (attr.size !== undefined) {
MEMFS.resizeFileStorage(node, attr.size);
}
},lookup:function(parent, name) {
throw FS.genericErrors[44];
},mknod:function(parent, name, mode, dev) {
return MEMFS.createNode(parent, name, mode, dev);
},rename:function(old_node, new_dir, new_name) {
// if 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:function(parent, name) {
delete parent.contents[name];
parent.timestamp = Date.now();
},rmdir:function(parent, name) {
var node = FS.lookupNode(parent, name);
for (var i in node.contents) {
throw new FS.ErrnoError(55);
}
delete parent.contents[name];
parent.timestamp = Date.now();
},readdir:function(node) {
var entries = ['.', '..'];
for (var key in node.contents) {
if (!node.contents.hasOwnProperty(key)) {
continue;
}
entries.push(key);
}
return entries;
},symlink:function(parent, newname, oldpath) {
var node = MEMFS.createNode(parent, newname, 511 /* 0777 */ | 40960, 0);
node.link = oldpath;
return node;
},readlink:function(node) {
if (!FS.isLink(node.mode)) {
throw new FS.ErrnoError(28);
}
return node.link;
}},stream_ops:{read:function(stream, buffer, offset, length, position) {
var contents = stream.node.contents;
if (position >= stream.node.usedBytes) return 0;
var size = Math.min(stream.node.usedBytes - position, length);
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:function(stream, buffer, offset, length, position, canOwn) {
// The data buffer should be a typed array view
assert(!(buffer instanceof ArrayBuffer));
// If the buffer is located in main memory (HEAP), and if
// memory can grow, we can't hold on to references of the
// memory buffer, as they may get invalidated. That means we
// need to do copy its contents.
if (buffer.buffer === HEAP8.buffer) {
canOwn = false;
}
if (!length) return 0;
var node = stream.node;
node.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:function(stream, offset, whence) {
var position = offset;
if (whence === 1) {
position += stream.position;
} else if (whence === 2) {
if (FS.isFile(stream.node.mode)) {
position += stream.node.usedBytes;
}
}
if (position < 0) {
throw new FS.ErrnoError(28);
}
return position;
},allocate:function(stream, offset, length) {
MEMFS.expandFileStorage(stream.node, offset + length);
stream.node.usedBytes = Math.max(stream.node.usedBytes, offset + length);
},mmap:function(stream, length, position, prot, flags) {
if (!FS.isFile(stream.node.mode)) {
throw new FS.ErrnoError(43);
}
var ptr;
var allocated;
var contents = stream.node.contents;
// 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: ptr, allocated: allocated };
},msync:function(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 */
function asyncLoad(url, onload, onerror, noRunDep) {
var dep = !noRunDep ? getUniqueRunDependency(`al ${url}`) : '';
readAsync(url, (arrayBuffer) => {
assert(arrayBuffer, `Loading data file "${url}" failed (no arrayBuffer).`);
onload(new Uint8Array(arrayBuffer));
if (dep) removeRunDependency(dep);
}, (event) => {
if (onerror) {
onerror();
} else {
throw `Loading data file "${url}" failed.`;
}
});
if (dep) addRunDependency(dep);
}
var preloadPlugins = Module['preloadPlugins'] || [];
function FS_handledByPreloadPlugin(byteArray, fullname, finish, onerror) {
// Ensure plugins are ready.
if (typeof Browser != 'undefined') Browser.init();
var handled = false;
preloadPlugins.forEach(function(plugin) {
if (handled) return;
if (plugin['canHandle'](fullname)) {
plugin['handle'](byteArray, fullname, finish, onerror);
handled = true;
}
});
return handled;
}
function 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);
}
}
function 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;
}
function 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 = {};
function demangle(func) {
warnOnce('warning: build with -sDEMANGLE_SUPPORT to link in libcxxabi demangling');
return func;
}
function demangleAll(text) {
var regex =
/\b_Z[\w\d_]+/g;
return text.replace(regex,
function(x) {
var y = demangle(x);
return x === y ? x : (y + ' [' + x + ']');
});
}
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);
},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: function() { return this.node; },
/** @this {FS.FSStream} */
set: function(val) { this.node = val; }
},
isRead: {
/** @this {FS.FSStream} */
get: function() { return (this.flags & 2097155) !== 1; }
},
isWrite: {
/** @this {FS.FSStream} */
get: function() { return (this.flags & 2097155) !== 0; }
},
isAppend: {
/** @this {FS.FSStream} */
get: function() { return (this.flags & 1024); }
},
flags: {
/** @this {FS.FSStream} */
get: function() { return this.shared.flags; },
/** @this {FS.FSStream} */
set: function(val) { this.shared.flags = val; },
},
position : {
/** @this {FS.FSStream} */
get: function() { return this.shared.position; },
/** @this {FS.FSStream} */
set: function(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: type,
opts: opts,
mountpoint: 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.getStream(fd);
if (!stream) {
throw new FS.ErrnoError(8);
}
FS.chmod(stream.node, mode);
},chown:(path, uid, gid, dontFollow) => {
var node;
if (typeof path == 'string') {
var lookup = FS.lookupPath(path, { follow: !dontFollow });
node = lookup.node;
} else {
node = path;
}
if (!node.node_ops.setattr) {
throw new FS.ErrnoError(63);
}
node.node_ops.setattr(node, {
timestamp: Date.now()
// we ignore the uid / gid for now
});
},lchown:(path, uid, gid) => {
FS.chown(path, uid, gid, true);
},fchown:(fd, uid, gid) => {
var stream = FS.getStream(fd);
if (!stream) {
throw new FS.ErrnoError(8);
}
FS.chown(stream.node, uid, gid);
},truncate:(path, len) => {
if (len < 0) {
throw new FS.ErrnoError(28);
}
var node;
if (typeof path == 'string') {
var lookup = FS.lookupPath(path, { follow: true });
node = lookup.node;
} else {
node = path;
}
if (!node.node_ops.setattr) {
throw new FS.ErrnoError(63);
}
if (FS.isDir(node.mode)) {
throw new FS.ErrnoError(31);
}
if (!FS.isFile(node.mode)) {
throw new FS.ErrnoError(28);
}
var errCode = FS.nodePermissions(node, 'w');
if (errCode) {
throw new FS.ErrnoError(errCode);
}
node.node_ops.setattr(node, {
size: len,
timestamp: Date.now()
});
},ftruncate:(fd, len) => {
var stream = FS.getStream(fd);
if (!stream) {
throw new FS.ErrnoError(8);
}
if ((stream.flags & 2097155) === 0) {
throw new FS.ErrnoError(28);
}
FS.truncate(stream.node, len);
},utime:(path, atime, mtime) => {
var lookup = FS.lookupPath(path, { follow: true });
var node = lookup.node;
node.node_ops.setattr(node, {
timestamp: Math.max(atime, mtime)
});
},open:(path, flags, mode) => {
if (path === "") {
throw new FS.ErrnoError(44);
}
flags = typeof flags == 'string' ? FS_modeStringToFlags(flags) : flags;
mode = typeof mode == 'undefined' ? 438 /* 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: node,
path: FS.getPath(node), // we want the absolute path to the node
flags: 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) => {
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) => {
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) => {
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.getStream(fd);
if (!stream) throw new FS.ErrnoError(8);
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);
}
return node;
},createDevice:(parent, name, input, output) => {
var path = PATH.join2(typeof parent == 'string' ? parent : FS.getPath(parent), name);
var mode = FS_getMode(!!input, !!output);
if (!FS.createDevice.major) FS.createDevice.major = 64;
var dev = FS.makedev(FS.createDevice.major++, 0);
// 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: 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}
*/
function UTF8ToString(ptr, maxBytesToRead) {
assert(typeof ptr == 'number');
return ptr ? UTF8ArrayToString(HEAPU8, ptr, maxBytesToRead) : '';
}
var SYSCALLS = {DEFAULT_POLLMASK:5,calculateAt:function(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:function(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)+(8))>>2)] = stat.ino;
HEAP32[(((buf)+(12))>>2)] = stat.mode;
HEAPU32[(((buf)+(16))>>2)] = stat.nlink;
HEAP32[(((buf)+(20))>>2)] = stat.uid;
HEAP32[(((buf)+(24))>>2)] = stat.gid;
HEAP32[(((buf)+(28))>>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)+(40))>>2)] = tempI64[0],HEAP32[(((buf)+(44))>>2)] = tempI64[1]);
HEAP32[(((buf)+(48))>>2)] = 4096;
HEAP32[(((buf)+(52))>>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)+(56))>>2)] = tempI64[0],HEAP32[(((buf)+(60))>>2)] = tempI64[1]);
HEAPU32[(((buf)+(64))>>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)+(72))>>2)] = tempI64[0],HEAP32[(((buf)+(76))>>2)] = tempI64[1]);
HEAPU32[(((buf)+(80))>>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)+(88))>>2)] = tempI64[0],HEAP32[(((buf)+(92))>>2)] = tempI64[1]);
HEAPU32[(((buf)+(96))>>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)+(104))>>2)] = tempI64[0],HEAP32[(((buf)+(108))>>2)] = tempI64[1]);
return 0;
},doMsync:function(addr, stream, len, flags, offset) {
if (!FS.isFile(stream.node.mode)) {
throw new FS.ErrnoError(43);
}
if (flags & 2) {
// 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:function() {
assert(SYSCALLS.varargs != undefined);
SYSCALLS.varargs += 4;
var ret = HEAP32[(((SYSCALLS.varargs)-(4))>>2)];
return ret;
},getStr:function(ptr) {
var ret = UTF8ToString(ptr);
return ret;
},getStreamFromFD:function(fd) {
var stream = FS.getStream(fd);
if (!stream) throw new FS.ErrnoError(8);
return stream;
}};
function ___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;
}
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:
/* case 5: Currently in musl F_GETLK64 has same value as F_GETLK, so omitted to avoid duplicate case blocks. If that changes, uncomment this */ {
var arg = SYSCALLS.get();
var offset = 0;
// We're always unlocked.
HEAP16[(((arg)+(offset))>>1)] = 2;
return 0;
}
case 6:
case 7:
/* case 6: Currently in musl F_SETLK64 has same value as F_SETLK, so omitted to avoid duplicate case blocks. If that changes, uncomment this */
/* case 7: Currently in musl F_SETLKW64 has same value as F_SETLKW, so omitted to avoid duplicate case blocks. If that changes, uncomment this */
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:
case 21505: {
if (!stream.tty) return -59;
return 0;
}
case 21510:
case 21511:
case 21512:
case 21506:
case 21507:
case 21508: {
if (!stream.tty) return -59;
return 0; // no-op, not actually adjusting terminal settings
}
case 21519: {
if (!stream.tty) return -59;
var argp = SYSCALLS.get();
HEAP32[((argp)>>2)] = 0;
return 0;
}
case 21520: {
if (!stream.tty) return -59;
return -28; // not supported
}
case 21531: {
var argp = SYSCALLS.get();
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;
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;
}
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 = true;;
function __emscripten_get_now_is_monotonic() {
return nowIsMonotonic;
}
function __emscripten_throw_longjmp() {
throw Infinity;
}
function _abort() {
abort('native code called abort()');
}
function _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 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);
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.
})
}
Browser.mainLoop.scheduler = function Browser_mainLoop_scheduler_setImmediate() {
setImmediate(Browser.mainLoop.runner);
};
Browser.mainLoop.method = 'immediate';
}
return 0;
}
var _emscripten_get_now;
// The performance global was added to node in v16.0.0:
// https://nodejs.org/api/globals.html#performance
if (ENVIRONMENT_IS_NODE) {
global.performance = require('perf_hooks').performance;
}
// 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
*/
function setMainLoop(browserIterationFunc, fps, simulateInfiniteLoop, arg, noSetTiming) {
assert(!Browser.mainLoop.func, 'emscripten_set_main_loop: there can only be one main loop function at once: call emscripten_cancel_main_loop to cancel the previous one before setting a new one with different parameters.');
Browser.mainLoop.func = browserIterationFunc;
Browser.mainLoop.arg = arg;
var thisMainLoopId = Browser.mainLoop.currentlyRunningMainloop;
function checkIsRunning() {
if (thisMainLoopId < Browser.mainLoop.currentlyRunningMainloop) {
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;
}
}
out('main loop blocker "' + blocker.name + '" took ' + (Date.now() - start) + ' ms'); //, left: ' + Browser.mainLoop.remainingBlockers);
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';
}
}
function 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);
}
function _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 */
function 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;
function maybeExit() {
if (!keepRuntimeAlive()) {
try {
_exit(EXITSTATUS);
} catch (e) {
handleException(e);
}
}
}
function 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 */
function 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:function() {
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:function() {
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:function() {
if (Module['setStatus']) {
var message = Module['statusMessage'] || 'Please wait...';
var remaining = Browser.mainLoop.remainingBlockers;
var expected = Browser.mainLoop.expectedBlockers;
if (remaining) {
if (remaining < expected) {
Module['setStatus'](message + ' (' + (expected - remaining) + '/' + expected + ')');
} else {
Module['setStatus'](message);
}
} else {
Module['setStatus']('');
}
}
},runIter:function(func) {
if (ABORT) return;
if (Module['preMainLoop']) {
var preRet = Module['preMainLoop']();
if (preRet === false) {
return; // |return false| skips a frame
}
}
callUserCallback(func);
if (Module['postMainLoop']) Module['postMainLoop']();
}},isFullscreen:false,pointerLock:false,moduleContextCreatedCallbacks:[],workers:[],init:function() {
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) => {
out('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:function(/** @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: 2,
};
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:function(canvas, useWebGL, setInModule) {},fullscreenHandlersInstalled:false,lockPointer:undefined,resizeCanvas:undefined,requestFullscreen:function(lockPointer, resizeCanvas) {
Browser.lockPointer = lockPointer;
Browser.resizeCanvas = resizeCanvas;
if (typeof Browser.lockPointer == 'undefined') Browser.lockPointer = true;
if (typeof Browser.resizeCanvas == 'undefined') Browser.resizeCanvas = false;
var canvas = Module['canvas'];
function fullscreenChange() {
Browser.isFullscreen = false;
var canvasContainer = canvas.parentNode;
if ((document['fullscreenElement'] || document['mozFullScreenElement'] ||
document['msFullscreenElement'] || document['webkitFullscreenElement'] ||
document['webkitCurrentFullScreenElement']) === canvasContainer) {
canvas.exitFullscreen = Browser.exitFullscreen;
if (Browser.lockPointer) canvas.requestPointerLock();
Browser.isFullscreen = true;
if (Browser.resizeCanvas) {
Browser.setFullscreenCanvasSize();
} else {
Browser.updateCanvasDimensions(canvas);
}
} else {
// 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:function() {
abort('Module.requestFullScreen has been replaced by Module.requestFullscreen (without a capital S)');
},exitFullscreen:function() {
// 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:function(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:function(func) {
if (typeof requestAnimationFrame == 'function') {
requestAnimationFrame(func);
return;
}
var RAF = Browser.fakeRequestAnimationFrame;
RAF(func);
},safeSetTimeout:function(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:function(func) {
return Browser.requestAnimationFrame(() => {
callUserCallback(func);
});
},getMimetype:function(name) {
return {
'jpg': 'image/jpeg',
'jpeg': 'image/jpeg',
'png': 'image/png',
'bmp': 'image/bmp',
'ogg': 'audio/ogg',
'wav': 'audio/wav',
'mp3': 'audio/mpeg'
}[name.substr(name.lastIndexOf('.')+1)];
},getUserMedia:function(func) {
if (!window.getUserMedia) {
window.getUserMedia = navigator['getUserMedia'] ||
navigator['mozGetUserMedia'];
}
window.getUserMedia(func);
},getMovementX:function(event) {
return event['movementX'] ||
event['mozMovementX'] ||
event['webkitMovementX'] ||
0;
},getMovementY:function(event) {
return event['movementY'] ||
event['mozMovementY'] ||
event['webkitMovementY'] ||
0;
},getMouseWheelDelta:function(event) {
var delta = 0;
switch (event.type) {
case 'DOMMouseScroll':
// 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:function(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:function() {
var canvas = Module['canvas'];
Browser.resizeListeners.forEach((listener) => listener(canvas.width, canvas.height));
},setCanvasSize:function(width, height, noUpdates) {
var canvas = Module['canvas'];
Browser.updateCanvasDimensions(canvas, width, height);
if (!noUpdates) Browser.updateResizeListeners();
},windowedWidth:0,windowedHeight:0,setFullscreenCanvasSize:function() {
// 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:function() {
// 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:function(canvas, wNative, hNative) {
if (wNative && hNative) {
canvas.widthNative = wNative;
canvas.heightNative = hNative;
} else {
wNative = canvas.widthNative;
hNative = canvas.heightNative;
}
var w = wNative;
var h = hNative;
if (Module['forcedAspectRatio'] && Module['forcedAspectRatio'] > 0) {
if (w/h < Module['forcedAspectRatio']) {
w = Math.round(h * Module['forcedAspectRatio']);
} else {
h = Math.round(w / Module['forcedAspectRatio']);
}
}
if (((document['fullscreenElement'] || document['mozFullScreenElement'] ||
document['msFullscreenElement'] || document['webkitFullscreenElement'] ||
document['webkitCurrentFullScreenElement']) === canvas.parentNode) && (typeof screen != 'undefined')) {
var factor = Math.min(screen.width / w, screen.height / h);
w = Math.round(w * factor);
h = Math.round(h * factor);
}
if (Browser.resizeCanvas) {
if (canvas.width != w) canvas.width = w;
if (canvas.height != h) canvas.height = h;
if (typeof canvas.style != 'undefined') {
canvas.style.removeProperty( "width");
canvas.style.removeProperty("height");
}
} else {
if (canvas.width != wNative) canvas.width = wNative;
if (canvas.height != hNative) canvas.height = hNative;
if (typeof canvas.style != 'undefined') {
if (w != wNative || h != hNative) {
canvas.style.setProperty( "width", w + "px", "important");
canvas.style.setProperty("height", h + "px", "important");
} else {
canvas.style.removeProperty( "width");
canvas.style.removeProperty("height");
}
}
}
}};
var EGL = {errorCode:12288,defaultDisplayInitialized:false,currentContext:0,currentReadSurface:0,currentDrawSurface:0,contextAttributes:{alpha:false,depth:false,stencil:false,antialias:false},stringCache:{},setErrorCode:function(code) {
EGL.errorCode = code;
},chooseConfig:function(display, attribList, config, config_size, numConfigs) {
if (display != 62000 /* Magic ID for Emscripten 'default display' */) {
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) {
HEAP32[((config)>>2)] = 62002;
}
EGL.setErrorCode(0x3000 /* EGL_SUCCESS */);
return 1;
}};
function _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;
}
function _eglChooseConfig(display, attrib_list, configs, config_size, numConfigs) {
return EGL.chooseConfig(display, attrib_list, configs, config_size, numConfigs);
}
function webgl_enable_WEBGL_draw_instanced_base_vertex_base_instance(ctx) {
// Closure is expected to be allowed to minify the '.dibvbi' property, so not accessing it quoted.
return !!(ctx.dibvbi = ctx.getExtension('WEBGL_draw_instanced_base_vertex_base_instance'));
}
function webgl_enable_WEBGL_multi_draw_instanced_base_vertex_base_instance(ctx) {
// Closure is expected to be allowed to minify the '.mdibvbi' property, so not accessing it quoted.
return !!(ctx.mdibvbi = ctx.getExtension('WEBGL_multi_draw_instanced_base_vertex_base_instance'));
}
function 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:[],samplers:[],transformFeedbacks:[],syncs:[],stringCache:{},stringiCache:{},unpackAlignment:4,recordError:function recordError(errorCode) {
if (!GL.lastError) {
GL.lastError = errorCode;
}
},getNewId:function(table) {
var ret = GL.counter++;
for (var i = table.length; i < ret; i++) {
table[i] = null;
}
return ret;
},getSource:function(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:function(/** @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("webgl2", webGLContextAttributes);
if (!ctx) return 0;
var handle = GL.registerContext(ctx, webGLContextAttributes);
return handle;
},registerContext:function(ctx, webGLContextAttributes) {
// without pthreads a context is just an integer ID
var handle = GL.getNewId(GL.contexts);
var context = {
handle: 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:function(contextHandle) {
GL.currentContext = GL.contexts[contextHandle]; // Active Emscripten GL layer context object.
Module.ctx = GLctx = GL.currentContext && GL.currentContext.GLctx; // Active WebGL context object.
return !(contextHandle && !GLctx);
},getContext:function(contextHandle) {
return GL.contexts[contextHandle];
},deleteContext:function(contextHandle) {
if (GL.currentContext === GL.contexts[contextHandle]) GL.currentContext = null;
if (typeof JSEvents == 'object') JSEvents.removeAllHandlersOnTarget(GL.contexts[contextHandle].GLctx.canvas); // Release all JS event handlers on the DOM element that the GL context is associated with since the context is now deleted.
if (GL.contexts[contextHandle] && GL.contexts[contextHandle].GLctx.canvas) GL.contexts[contextHandle].GLctx.canvas.GLctxObject = undefined; // Make sure the canvas object no longer refers to the context object so there are no GC surprises.
GL.contexts[contextHandle] = null;
},initExtensions:function(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, this GL interop layer itself will need to know if they exist.
// Extensions that are available from WebGL >= 2 (no-op if called on a WebGL 1 context active)
webgl_enable_WEBGL_draw_instanced_base_vertex_base_instance(GLctx);
webgl_enable_WEBGL_multi_draw_instanced_base_vertex_base_instance(GLctx);
// On WebGL 2, EXT_disjoint_timer_query is replaced with an alternative
// that's based on core APIs, and exposes only the queryCounterEXT()
// entrypoint.
if (context.version >= 2) {
GLctx.disjointTimerQueryExt = GLctx.getExtension("EXT_disjoint_timer_query_webgl2");
}
// However, Firefox exposes the WebGL 1 version on WebGL 2 as well and
// thus we look for the WebGL 1 version again if the WebGL 2 version
// isn't present. https://bugzilla.mozilla.org/show_bug.cgi?id=1328882
if (context.version < 2 || !GLctx.disjointTimerQueryExt)
{
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(function(ext) {
// WEBGL_lose_context, WEBGL_debug_renderer_info and WEBGL_debug_shaders are not enabled by default.
if (!ext.includes('lose_context') && !ext.includes('debug')) {
// Call .getExtension() to enable that extension permanently.
GLctx.getExtension(ext);
}
});
}};
function _eglCreateContext(display, config, hmm, contextAttribs) {
if (display != 62000 /* Magic ID for Emscripten 'default display' */) {
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 || glesContextVersion > 3) {
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; // Magic ID for Emscripten EGLContext
} 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 */
}
}
function _eglCreateWindowSurface(display, config, win, attrib_list) {
if (display != 62000 /* Magic ID for Emscripten 'default display' */) {
EGL.setErrorCode(0x3008 /* EGL_BAD_DISPLAY */);
return 0;
}
if (config != 62002 /* Magic ID for the only EGLConfig supported by Emscripten */) {
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' */
}
function _eglDestroyContext(display, context) {
if (display != 62000 /* Magic ID for Emscripten 'default display' */) {
EGL.setErrorCode(0x3008 /* EGL_BAD_DISPLAY */);
return 0;
}
if (context != 62004 /* Magic ID for Emscripten EGLContext */) {
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 */;
}
function _eglDestroySurface(display, surface) {
if (display != 62000 /* Magic ID for Emscripten 'default display' */) {
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' */
}
function _eglGetConfigAttrib(display, config, attribute, value) {
if (display != 62000 /* Magic ID for Emscripten 'default display' */) {
EGL.setErrorCode(0x3008 /* EGL_BAD_DISPLAY */);
return 0;
}
if (config != 62002 /* Magic ID for the only EGLConfig supported by Emscripten */) {
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;
}
}
function _eglGetDisplay(nativeDisplayType) {
EGL.setErrorCode(0x3000 /* EGL_SUCCESS */);
// Note: As a 'conformant' implementation of EGL, we would prefer to init here only if the user
// calls this function with EGL_DEFAULT_DISPLAY. Other display IDs would be preferred to be unsupported
// and EGL_NO_DISPLAY returned. Uncomment the following code lines to do this.
// Instead, an alternative route has been preferred, namely that the Emscripten EGL implementation
// "emulates" X11, and eglGetDisplay is expected to accept/receive a pointer to an X11 Display object.
// Therefore, be lax and allow anything to be passed in, and return the magic handle to our default EGLDisplay object.
// if (nativeDisplayType == 0 /* EGL_DEFAULT_DISPLAY */) {
return 62000; // Magic ID for Emscripten 'default display'
// }
// else
// return 0; // EGL_NO_DISPLAY
}
function _eglGetError() {
return EGL.errorCode;
}
function _eglInitialize(display, majorVersion, minorVersion) {
if (display != 62000 /* Magic ID for Emscripten 'default display' */) {
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;
}
function _eglMakeCurrent(display, draw, read, context) {
if (display != 62000 /* Magic ID for Emscripten 'default display' */) {
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 /* Magic ID for Emscripten EGLContext */) {
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 */;
}
function stringToUTF8(str, outPtr, maxBytesToWrite) {
assert(typeof maxBytesToWrite == 'number', 'stringToUTF8(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!');
return stringToUTF8Array(str, HEAPU8,outPtr, maxBytesToWrite);
}
function stringToNewUTF8(str) {
var size = lengthBytesUTF8(str) + 1;
var ret = _malloc(size);
if (ret) stringToUTF8(str, ret, size);
return ret;
}
function _eglQueryString(display, name) {
if (display != 62000 /* Magic ID for Emscripten 'default display' */) {
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;
}
function _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 */;
}
function _eglSwapInterval(display, interval) {
if (display != 62000 /* Magic ID for Emscripten 'default display' */) {
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;
}
function _eglTerminate(display) {
if (display != 62000 /* Magic ID for Emscripten 'default display' */) {
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 } */
function _eglWaitClient() {
EGL.setErrorCode(0x3000 /* EGL_SUCCESS */);
return 1;
}
var _eglWaitGL = _eglWaitClient;
function _eglWaitNative(nativeEngineId) {
EGL.setErrorCode(0x3000 /* EGL_SUCCESS */);
return 1;
}
var readEmAsmArgsArray = [];
function 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.
buf >>= 2;
while (ch = HEAPU8[sigPtr++]) {
var chr = String.fromCharCode(ch);
var validChars = ['d', 'f', 'i'];
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, and doubles and int64s take up 8
// bytes (two 32-bit slots) in memory, align reads to these:
buf += (ch != 105/*i*/) & buf;
readEmAsmArgsArray.push(
ch == 105/*i*/ ? HEAP32[buf] :
HEAPF64[buf++ >> 1]
);
++buf;
}
return readEmAsmArgsArray;
}
function runEmAsmFunction(code, sigPtr, argbuf) {
var args = readEmAsmArgs(sigPtr, argbuf);
if (!ASM_CONSTS.hasOwnProperty(code)) abort(`No EM_ASM constant found at address ${code}`);
return ASM_CONSTS[code].apply(null, args);
}
function _emscripten_asm_const_int(code, sigPtr, argbuf) {
return runEmAsmFunction(code, sigPtr, argbuf);
}
function runMainThreadEmAsm(code, sigPtr, argbuf, sync) {
var args = readEmAsmArgs(sigPtr, argbuf);
if (!ASM_CONSTS.hasOwnProperty(code)) abort(`No EM_ASM constant found at address ${code}`);
return ASM_CONSTS[code].apply(null, args);
}
function _emscripten_asm_const_int_sync_on_main_thread(code, sigPtr, argbuf) {
return runMainThreadEmAsm(code, sigPtr, argbuf, 1);
}
function _emscripten_cancel_main_loop() {
Browser.mainLoop.pause();
Browser.mainLoop.func = null;
}
function _emscripten_date_now() {
return Date.now();
}
function withStackSave(f) {
var stack = stackSave();
var ret = f();
stackRestore(stack);
return ret;
}
var JSEvents = {inEventHandler:0,removeAllEventListeners:function() {
for (var i = JSEvents.eventHandlers.length-1; i >= 0; --i) {
JSEvents._removeHandler(i);
}
JSEvents.eventHandlers = [];
JSEvents.deferredCalls = [];
},registerRemoveEventListeners:function() {
if (!JSEvents.removeEventListenersRegistered) {
__ATEXIT__.push(JSEvents.removeAllEventListeners);
JSEvents.removeEventListenersRegistered = true;
}
},deferredCalls:[],deferCall:function(targetFunction, precedence, argsList) {
function arraysHaveEqualContent(arrA, arrB) {
if (arrA.length != arrB.length) return false;
for (var i in arrA) {
if (arrA[i] != arrB[i]) return false;
}
return true;
}
// 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: targetFunction,
precedence: precedence,
argsList: argsList
});
JSEvents.deferredCalls.sort(function(x,y) { return x.precedence < y.precedence; });
},removeDeferredCalls:function(targetFunction) {
for (var i = 0; i < JSEvents.deferredCalls.length; ++i) {
if (JSEvents.deferredCalls[i].targetFunction == targetFunction) {
JSEvents.deferredCalls.splice(i, 1);
--i;
}
}
},canPerformEventHandlerRequests:function() {
return JSEvents.inEventHandler && JSEvents.currentEventHandler.allowsDeferredCalls;
},runDeferredCalls:function() {
if (!JSEvents.canPerformEventHandlerRequests()) {
return;
}
for (var i = 0; i < JSEvents.deferredCalls.length; ++i) {
var call = JSEvents.deferredCalls[i];
JSEvents.deferredCalls.splice(i, 1);
--i;
call.targetFunction.apply(null, call.argsList);
}
},eventHandlers:[],removeAllHandlersOnTarget:function(target, eventTypeString) {
for (var i = 0; i < JSEvents.eventHandlers.length; ++i) {
if (JSEvents.eventHandlers[i].target == target &&
(!eventTypeString || eventTypeString == JSEvents.eventHandlers[i].eventTypeString)) {
JSEvents._removeHandler(i--);
}
}
},_removeHandler:function(i) {
var h = JSEvents.eventHandlers[i];
h.target.removeEventListener(h.eventTypeString, h.eventListenerFunc, h.useCapture);
JSEvents.eventHandlers.splice(i, 1);
},registerOrRemoveHandler:function(eventHandler) {
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:function(target) {
if (!target) return '';
if (target == window) return '#window';
if (target == screen) return '#screen';
return (target && target.nodeName) ? target.nodeName : '';
},fullscreenEnabled:function() {
return document.fullscreenEnabled
// 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 = {};
function 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];
function findEventTarget(target) {
target = maybeCStringToJsString(target);
var domElement = specialHTMLTargets[target] || (typeof document != 'undefined' ? document.querySelector(target) : undefined);
return domElement;
}
function findCanvasEventTarget(target) { return findEventTarget(target); }
function _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;
}
function stringToUTF8OnStack(str) {
var size = lengthBytesUTF8(str) + 1;
var ret = stackAlloc(size);
stringToUTF8(str, ret, size);
return ret;
}
function getCanvasElementSize(target) {
return withStackSave(function() {
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;
});
}
function _emscripten_set_canvas_element_size(target, width, height) {
var canvas = findCanvasEventTarget(target);
if (!canvas) return -4;
canvas.width = width;
canvas.height = height;
return 0;
}
function 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(function() {
var targetInt = stringToUTF8OnStack(target.id);
_emscripten_set_canvas_element_size(targetInt, width, height);
});
}
}
function registerRestoreOldStyle(canvas) {
var canvasSize = getCanvasElementSize(canvas);
var oldWidth = canvasSize[0];
var oldHeight = canvasSize[1];
var oldCssWidth = canvas.style.width;
var oldCssHeight = canvas.style.height;
var oldBackgroundColor = canvas.style.backgroundColor; // 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;
}
function 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';
}
function getBoundingClientRect(e) {
return specialHTMLTargets.indexOf(e) < 0 ? e.getBoundingClientRect() : {'left':0,'top':0};
}
function JSEvents_resizeCanvasForFullscreen(target, strategy) {
var restoreOldStyle = registerRestoreOldStyle(target);
var cssWidth = strategy.softFullscreen ? innerWidth : screen.width;
var cssHeight = strategy.softFullscreen ? innerHeight : screen.height;
var rect = getBoundingClientRect(target);
var windowedCssWidth = rect.width;
var windowedCssHeight = rect.height;
var canvasSize = getCanvasElementSize(target);
var windowedRttWidth = canvasSize[0];
var windowedRttHeight = canvasSize[1];
if (strategy.scaleMode == 3) {
setLetterbox(target, (cssHeight - windowedCssHeight) / 2, (cssWidth - windowedCssWidth) / 2);
cssWidth = windowedCssWidth;
cssHeight = windowedCssHeight;
} else if (strategy.scaleMode == 2) {
if (cssWidth*windowedRttHeight < windowedRttWidth*cssHeight) {
var desiredCssHeight = windowedRttHeight * cssWidth / windowedRttWidth;
setLetterbox(target, (cssHeight - desiredCssHeight) / 2, 0);
cssHeight = desiredCssHeight;
} else {
var desiredCssWidth = windowedRttWidth * cssHeight / windowedRttHeight;
setLetterbox(target, 0, (cssWidth - desiredCssWidth) / 2);
cssWidth = desiredCssWidth;
}
}
// If 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;
}
function 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;
}
function _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;
}
function 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;
}
function _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;
}
function _emscripten_get_device_pixel_ratio() {
return (typeof devicePixelRatio == 'number' && devicePixelRatio) || 1.0;
}
function _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;
}
function 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);
}
function _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;
}
function _emscripten_get_num_gamepads() {
if (!JSEvents.lastGamepadState) throw 'emscripten_get_num_gamepads() can only be called after having first called emscripten_sample_gamepad_data() and that function has returned EMSCRIPTEN_RESULT_SUCCESS!';
// N.B. Do not call emscripten_get_num_gamepads() unless having first called emscripten_sample_gamepad_data(), and that has returned EMSCRIPTEN_RESULT_SUCCESS.
// Otherwise the following line will throw an exception.
return JSEvents.lastGamepadState.length;
}
function _emscripten_get_screen_size(width, height) {
HEAP32[((width)>>2)] = screen.width;
HEAP32[((height)>>2)] = screen.height;
}
/** @suppress {duplicate } */
function _glActiveTexture(x0) { GLctx.activeTexture(x0) }
var _emscripten_glActiveTexture = _glActiveTexture;
/** @suppress {duplicate } */
function _glAttachShader(program, shader) {
GLctx.attachShader(GL.programs[program], GL.shaders[shader]);
}
var _emscripten_glAttachShader = _glAttachShader;
/** @suppress {duplicate } */
function _glBeginQuery(target, id) {
GLctx.beginQuery(target, GL.queries[id]);
}
var _emscripten_glBeginQuery = _glBeginQuery;
/** @suppress {duplicate } */
function _glBeginQueryEXT(target, id) {
GLctx.disjointTimerQueryExt['beginQueryEXT'](target, GL.queries[id]);
}
var _emscripten_glBeginQueryEXT = _glBeginQueryEXT;
/** @suppress {duplicate } */
function _glBeginTransformFeedback(x0) { GLctx.beginTransformFeedback(x0) }
var _emscripten_glBeginTransformFeedback = _glBeginTransformFeedback;
/** @suppress {duplicate } */
function _glBindAttribLocation(program, index, name) {
GLctx.bindAttribLocation(GL.programs[program], index, UTF8ToString(name));
}
var _emscripten_glBindAttribLocation = _glBindAttribLocation;
/** @suppress {duplicate } */
function _glBindBuffer(target, buffer) {
if (target == 0x88EB /*GL_PIXEL_PACK_BUFFER*/) {
// In WebGL 2 glReadPixels entry point, we need to use a different WebGL 2 API function call when a buffer is bound to
// GL_PIXEL_PACK_BUFFER_BINDING point, so must keep track whether that binding point is non-null to know what is
// the proper API function to call.
GLctx.currentPixelPackBufferBinding = buffer;
} else if (target == 0x88EC /*GL_PIXEL_UNPACK_BUFFER*/) {
// In WebGL 2 gl(Compressed)Tex(Sub)Image[23]D entry points, we need to
// use a different WebGL 2 API function call when a buffer is bound to
// GL_PIXEL_UNPACK_BUFFER_BINDING point, so must keep track whether that
// binding point is non-null to know what is the proper API function to
// call.
GLctx.currentPixelUnpackBufferBinding = buffer;
}
GLctx.bindBuffer(target, GL.buffers[buffer]);
}
var _emscripten_glBindBuffer = _glBindBuffer;
/** @suppress {duplicate } */
function _glBindBufferBase(target, index, buffer) {
GLctx.bindBufferBase(target, index, GL.buffers[buffer]);
}
var _emscripten_glBindBufferBase = _glBindBufferBase;
/** @suppress {duplicate } */
function _glBindBufferRange(target, index, buffer, offset, ptrsize) {
GLctx.bindBufferRange(target, index, GL.buffers[buffer], offset, ptrsize);
}
var _emscripten_glBindBufferRange = _glBindBufferRange;
/** @suppress {duplicate } */
function _glBindFramebuffer(target, framebuffer) {
GLctx.bindFramebuffer(target, GL.framebuffers[framebuffer]);
}
var _emscripten_glBindFramebuffer = _glBindFramebuffer;
/** @suppress {duplicate } */
function _glBindRenderbuffer(target, renderbuffer) {
GLctx.bindRenderbuffer(target, GL.renderbuffers[renderbuffer]);
}
var _emscripten_glBindRenderbuffer = _glBindRenderbuffer;
/** @suppress {duplicate } */
function _glBindSampler(unit, sampler) {
GLctx.bindSampler(unit, GL.samplers[sampler]);
}
var _emscripten_glBindSampler = _glBindSampler;
/** @suppress {duplicate } */
function _glBindTexture(target, texture) {
GLctx.bindTexture(target, GL.textures[texture]);
}
var _emscripten_glBindTexture = _glBindTexture;
/** @suppress {duplicate } */
function _glBindTransformFeedback(target, id) {
GLctx.bindTransformFeedback(target, GL.transformFeedbacks[id]);
}
var _emscripten_glBindTransformFeedback = _glBindTransformFeedback;
/** @suppress {duplicate } */
function _glBindVertexArray(vao) {
GLctx.bindVertexArray(GL.vaos[vao]);
}
var _emscripten_glBindVertexArray = _glBindVertexArray;
/** @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 } */
function _glBlitFramebuffer(x0, x1, x2, x3, x4, x5, x6, x7, x8, x9) { GLctx.blitFramebuffer(x0, x1, x2, x3, x4, x5, x6, x7, x8, x9) }
var _emscripten_glBlitFramebuffer = _glBlitFramebuffer;
/** @suppress {duplicate } */
function _glBufferData(target, size, data, usage) {
if (true) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
// If size is zero, WebGL would interpret uploading the whole input arraybuffer (starting from given offset), which would
// not make sense in WebAssembly, so avoid uploading if size is zero. However we must still call bufferData to establish a
// backing storage of zero bytes.
if (data && size) {
GLctx.bufferData(target, HEAPU8, usage, data, size);
} else {
GLctx.bufferData(target, size, usage);
}
} else {
// 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 } */
function _glBufferSubData(target, offset, size, data) {
if (true) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
size && GLctx.bufferSubData(target, offset, HEAPU8, data, size);
return;
}
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 _glClearBufferfi(x0, x1, x2, x3) { GLctx.clearBufferfi(x0, x1, x2, x3) }
var _emscripten_glClearBufferfi = _glClearBufferfi;
/** @suppress {duplicate } */
function _glClearBufferfv(buffer, drawbuffer, value) {
GLctx.clearBufferfv(buffer, drawbuffer, HEAPF32, value>>2);
}
var _emscripten_glClearBufferfv = _glClearBufferfv;
/** @suppress {duplicate } */
function _glClearBufferiv(buffer, drawbuffer, value) {
GLctx.clearBufferiv(buffer, drawbuffer, HEAP32, value>>2);
}
var _emscripten_glClearBufferiv = _glClearBufferiv;
/** @suppress {duplicate } */
function _glClearBufferuiv(buffer, drawbuffer, value) {
GLctx.clearBufferuiv(buffer, drawbuffer, HEAPU32, value>>2);
}
var _emscripten_glClearBufferuiv = _glClearBufferuiv;
/** @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;
function convertI32PairToI53(lo, hi) {
// This function should not be getting called with too large unsigned numbers
// in high part (if hi >= 0x7FFFFFFFF, one should have been calling
// convertU32PairToI53())
assert(hi === (hi|0));
return (lo >>> 0) + hi * 4294967296;
}
/** @suppress {duplicate } */
function _glClientWaitSync(sync, flags, timeout_low, timeout_high) {
// WebGL2 vs GLES3 differences: in GLES3, the timeout parameter is a uint64, where 0xFFFFFFFFFFFFFFFFULL means GL_TIMEOUT_IGNORED.
// In JS, there's no 64-bit value types, so instead timeout is taken to be signed, and GL_TIMEOUT_IGNORED is given value -1.
// Inherently the value accepted in the timeout is lossy, and can't take in arbitrary u64 bit pattern (but most likely doesn't matter)
// See https://www.khronos.org/registry/webgl/specs/latest/2.0/#5.15
var timeout = convertI32PairToI53(timeout_low, timeout_high);
return GLctx.clientWaitSync(GL.syncs[sync], flags, timeout);
}
var _emscripten_glClientWaitSync = _glClientWaitSync;
/** @suppress {duplicate } */
function _glColorMask(red, green, blue, alpha) {
GLctx.colorMask(!!red, !!green, !!blue, !!alpha);
}
var _emscripten_glColorMask = _glColorMask;
/** @suppress {duplicate } */
function _glCompileShader(shader) {
GLctx.compileShader(GL.shaders[shader]);
}
var _emscripten_glCompileShader = _glCompileShader;
/** @suppress {duplicate } */
function _glCompressedTexImage2D(target, level, internalFormat, width, height, border, imageSize, data) {
if (true) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
if (GLctx.currentPixelUnpackBufferBinding || !imageSize) {
GLctx.compressedTexImage2D(target, level, internalFormat, width, height, border, imageSize, data);
} else {
GLctx.compressedTexImage2D(target, level, internalFormat, width, height, border, HEAPU8, data, imageSize);
}
return;
}
GLctx.compressedTexImage2D(target, level, internalFormat, width, height, border, data ? HEAPU8.subarray((data), (data+imageSize)) : null);
}
var _emscripten_glCompressedTexImage2D = _glCompressedTexImage2D;
/** @suppress {duplicate } */
function _glCompressedTexImage3D(target, level, internalFormat, width, height, depth, border, imageSize, data) {
if (GLctx.currentPixelUnpackBufferBinding) {
GLctx.compressedTexImage3D(target, level, internalFormat, width, height, depth, border, imageSize, data);
} else {
GLctx.compressedTexImage3D(target, level, internalFormat, width, height, depth, border, HEAPU8, data, imageSize);
}
}
var _emscripten_glCompressedTexImage3D = _glCompressedTexImage3D;
/** @suppress {duplicate } */
function _glCompressedTexSubImage2D(target, level, xoffset, yoffset, width, height, format, imageSize, data) {
if (true) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
if (GLctx.currentPixelUnpackBufferBinding || !imageSize) {
GLctx.compressedTexSubImage2D(target, level, xoffset, yoffset, width, height, format, imageSize, data);
} else {
GLctx.compressedTexSubImage2D(target, level, xoffset, yoffset, width, height, format, HEAPU8, data, imageSize);
}
return;
}
GLctx.compressedTexSubImage2D(target, level, xoffset, yoffset, width, height, format, data ? HEAPU8.subarray((data), (data+imageSize)) : null);
}
var _emscripten_glCompressedTexSubImage2D = _glCompressedTexSubImage2D;
/** @suppress {duplicate } */
function _glCompressedTexSubImage3D(target, level, xoffset, yoffset, zoffset, width, height, depth, format, imageSize, data) {
if (GLctx.currentPixelUnpackBufferBinding) {
GLctx.compressedTexSubImage3D(target, level, xoffset, yoffset, zoffset, width, height, depth, format, imageSize, data);
} else {
GLctx.compressedTexSubImage3D(target, level, xoffset, yoffset, zoffset, width, height, depth, format, HEAPU8, data, imageSize);
}
}
var _emscripten_glCompressedTexSubImage3D = _glCompressedTexSubImage3D;
/** @suppress {duplicate } */
function _glCopyBufferSubData(x0, x1, x2, x3, x4) { GLctx.copyBufferSubData(x0, x1, x2, x3, x4) }
var _emscripten_glCopyBufferSubData = _glCopyBufferSubData;
/** @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 } */
function _glCopyTexSubImage3D(x0, x1, x2, x3, x4, x5, x6, x7, x8) { GLctx.copyTexSubImage3D(x0, x1, x2, x3, x4, x5, x6, x7, x8) }
var _emscripten_glCopyTexSubImage3D = _glCopyTexSubImage3D;
/** @suppress {duplicate } */
function _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 } */
function _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 } */
function _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;
if (id == GLctx.currentPixelPackBufferBinding) GLctx.currentPixelPackBufferBinding = 0;
if (id == GLctx.currentPixelUnpackBufferBinding) GLctx.currentPixelUnpackBufferBinding = 0;
}
}
var _emscripten_glDeleteBuffers = _glDeleteBuffers;
/** @suppress {duplicate } */
function _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 } */
function _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 } */
function _glDeleteQueries(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.deleteQuery(query);
GL.queries[id] = null;
}
}
var _emscripten_glDeleteQueries = _glDeleteQueries;
/** @suppress {duplicate } */
function _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 } */
function _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 } */
function _glDeleteSamplers(n, samplers) {
for (var i = 0; i < n; i++) {
var id = HEAP32[(((samplers)+(i*4))>>2)];
var sampler = GL.samplers[id];
if (!sampler) continue;
GLctx.deleteSampler(sampler);
sampler.name = 0;
GL.samplers[id] = null;
}
}
var _emscripten_glDeleteSamplers = _glDeleteSamplers;
/** @suppress {duplicate } */
function _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 } */
function _glDeleteSync(id) {
if (!id) return;
var sync = GL.syncs[id];
if (!sync) { // glDeleteSync signals an error when deleting a nonexisting object, unlike some other GL delete functions.
GL.recordError(0x501 /* GL_INVALID_VALUE */);
return;
}
GLctx.deleteSync(sync);
sync.name = 0;
GL.syncs[id] = null;
}
var _emscripten_glDeleteSync = _glDeleteSync;
/** @suppress {duplicate } */
function _glDeleteTextures(n, textures) {
for (var i = 0; i < n; i++) {
var id = HEAP32[(((textures)+(i*4))>>2)];
var texture = GL.textures[id];
if (!texture) continue; // GL spec: "glDeleteTextures silently ignores 0s and names that do not correspond to existing textures".
GLctx.deleteTexture(texture);
texture.name = 0;
GL.textures[id] = null;
}
}
var _emscripten_glDeleteTextures = _glDeleteTextures;
/** @suppress {duplicate } */
function _glDeleteTransformFeedbacks(n, ids) {
for (var i = 0; i < n; i++) {
var id = HEAP32[(((ids)+(i*4))>>2)];
var transformFeedback = GL.transformFeedbacks[id];
if (!transformFeedback) continue; // GL spec: "unused names in ids are ignored, as is the name zero."
GLctx.deleteTransformFeedback(transformFeedback);
transformFeedback.name = 0;
GL.transformFeedbacks[id] = null;
}
}
var _emscripten_glDeleteTransformFeedbacks = _glDeleteTransformFeedbacks;
/** @suppress {duplicate } */
function _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;
}
}
var _emscripten_glDeleteVertexArrays = _glDeleteVertexArrays;
/** @suppress {duplicate } */
var _glDeleteVertexArraysOES = _glDeleteVertexArrays;
var _emscripten_glDeleteVertexArraysOES = _glDeleteVertexArraysOES;
/** @suppress {duplicate } */
function _glDepthFunc(x0) { GLctx.depthFunc(x0) }
var _emscripten_glDepthFunc = _glDepthFunc;
/** @suppress {duplicate } */
function _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 } */
function _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 } */
function _glDisableVertexAttribArray(index) {
GLctx.disableVertexAttribArray(index);
}
var _emscripten_glDisableVertexAttribArray = _glDisableVertexAttribArray;
/** @suppress {duplicate } */
function _glDrawArrays(mode, first, count) {
GLctx.drawArrays(mode, first, count);
}
var _emscripten_glDrawArrays = _glDrawArrays;
/** @suppress {duplicate } */
function _glDrawArraysInstanced(mode, first, count, primcount) {
GLctx.drawArraysInstanced(mode, first, count, primcount);
}
var _emscripten_glDrawArraysInstanced = _glDrawArraysInstanced;
/** @suppress {duplicate } */
var _glDrawArraysInstancedANGLE = _glDrawArraysInstanced;
var _emscripten_glDrawArraysInstancedANGLE = _glDrawArraysInstancedANGLE;
/** @suppress {duplicate } */
var _glDrawArraysInstancedARB = _glDrawArraysInstanced;
var _emscripten_glDrawArraysInstancedARB = _glDrawArraysInstancedARB;
/** @suppress {duplicate } */
var _glDrawArraysInstancedEXT = _glDrawArraysInstanced;
var _emscripten_glDrawArraysInstancedEXT = _glDrawArraysInstancedEXT;
/** @suppress {duplicate } */
var _glDrawArraysInstancedNV = _glDrawArraysInstanced;
var _emscripten_glDrawArraysInstancedNV = _glDrawArraysInstancedNV;
var tempFixedLengthArray = [];
/** @suppress {duplicate } */
function _glDrawBuffers(n, bufs) {
var bufArray = tempFixedLengthArray[n];
for (var i = 0; i < n; i++) {
bufArray[i] = HEAP32[(((bufs)+(i*4))>>2)];
}
GLctx.drawBuffers(bufArray);
}
var _emscripten_glDrawBuffers = _glDrawBuffers;
/** @suppress {duplicate } */
var _glDrawBuffersEXT = _glDrawBuffers;
var _emscripten_glDrawBuffersEXT = _glDrawBuffersEXT;
/** @suppress {duplicate } */
var _glDrawBuffersWEBGL = _glDrawBuffers;
var _emscripten_glDrawBuffersWEBGL = _glDrawBuffersWEBGL;
/** @suppress {duplicate } */
function _glDrawElements(mode, count, type, indices) {
GLctx.drawElements(mode, count, type, indices);
}
var _emscripten_glDrawElements = _glDrawElements;
/** @suppress {duplicate } */
function _glDrawElementsInstanced(mode, count, type, indices, primcount) {
GLctx.drawElementsInstanced(mode, count, type, indices, primcount);
}
var _emscripten_glDrawElementsInstanced = _glDrawElementsInstanced;
/** @suppress {duplicate } */
var _glDrawElementsInstancedANGLE = _glDrawElementsInstanced;
var _emscripten_glDrawElementsInstancedANGLE = _glDrawElementsInstancedANGLE;
/** @suppress {duplicate } */
var _glDrawElementsInstancedARB = _glDrawElementsInstanced;
var _emscripten_glDrawElementsInstancedARB = _glDrawElementsInstancedARB;
/** @suppress {duplicate } */
var _glDrawElementsInstancedEXT = _glDrawElementsInstanced;
var _emscripten_glDrawElementsInstancedEXT = _glDrawElementsInstancedEXT;
/** @suppress {duplicate } */
var _glDrawElementsInstancedNV = _glDrawElementsInstanced;
var _emscripten_glDrawElementsInstancedNV = _glDrawElementsInstancedNV;
/** @suppress {duplicate } */
function _glDrawRangeElements(mode, start, end, count, type, indices) {
// TODO: This should be a trivial pass-though function registered at the bottom of this page as
// glFuncs[6][1] += ' drawRangeElements';
// but due to https://bugzilla.mozilla.org/show_bug.cgi?id=1202427,
// we work around by ignoring the range.
_glDrawElements(mode, count, type, indices);
}
var _emscripten_glDrawRangeElements = _glDrawRangeElements;
/** @suppress {duplicate } */
function _glEnable(x0) { GLctx.enable(x0) }
var _emscripten_glEnable = _glEnable;
/** @suppress {duplicate } */
function _glEnableVertexAttribArray(index) {
GLctx.enableVertexAttribArray(index);
}
var _emscripten_glEnableVertexAttribArray = _glEnableVertexAttribArray;
/** @suppress {duplicate } */
function _glEndQuery(x0) { GLctx.endQuery(x0) }
var _emscripten_glEndQuery = _glEndQuery;
/** @suppress {duplicate } */
function _glEndQueryEXT(target) {
GLctx.disjointTimerQueryExt['endQueryEXT'](target);
}
var _emscripten_glEndQueryEXT = _glEndQueryEXT;
/** @suppress {duplicate } */
function _glEndTransformFeedback() { GLctx.endTransformFeedback() }
var _emscripten_glEndTransformFeedback = _glEndTransformFeedback;
/** @suppress {duplicate } */
function _glFenceSync(condition, flags) {
var sync = GLctx.fenceSync(condition, flags);
if (sync) {
var id = GL.getNewId(GL.syncs);
sync.name = id;
GL.syncs[id] = sync;
return id;
}
return 0; // Failed to create a sync object
}
var _emscripten_glFenceSync = _glFenceSync;
/** @suppress {duplicate } */
function _glFinish() { GLctx.finish() }
var _emscripten_glFinish = _glFinish;
/** @suppress {duplicate } */
function _glFlush() { GLctx.flush() }
var _emscripten_glFlush = _glFlush;
/** @suppress {duplicate } */
function _glFramebufferRenderbuffer(target, attachment, renderbuffertarget, renderbuffer) {
GLctx.framebufferRenderbuffer(target, attachment, renderbuffertarget,
GL.renderbuffers[renderbuffer]);
}
var _emscripten_glFramebufferRenderbuffer = _glFramebufferRenderbuffer;
/** @suppress {duplicate } */
function _glFramebufferTexture2D(target, attachment, textarget, texture, level) {
GLctx.framebufferTexture2D(target, attachment, textarget,
GL.textures[texture], level);
}
var _emscripten_glFramebufferTexture2D = _glFramebufferTexture2D;
/** @suppress {duplicate } */
function _glFramebufferTextureLayer(target, attachment, texture, level, layer) {
GLctx.framebufferTextureLayer(target, attachment, GL.textures[texture], level, layer);
}
var _emscripten_glFramebufferTextureLayer = _glFramebufferTextureLayer;
/** @suppress {duplicate } */
function _glFrontFace(x0) { GLctx.frontFace(x0) }
var _emscripten_glFrontFace = _glFrontFace;
function __glGenObject(n, buffers, createFunction, objectTable
) {
for (var i = 0; i < n; i++) {
var buffer = GLctx[createFunction]();
var id = buffer && GL.getNewId(objectTable);
if (buffer) {
buffer.name = id;
objectTable[id] = buffer;
} else {
GL.recordError(0x502 /* GL_INVALID_OPERATION */);
}
HEAP32[(((buffers)+(i*4))>>2)] = id;
}
}
/** @suppress {duplicate } */
function _glGenBuffers(n, buffers) {
__glGenObject(n, buffers, 'createBuffer', GL.buffers
);
}
var _emscripten_glGenBuffers = _glGenBuffers;
/** @suppress {duplicate } */
function _glGenFramebuffers(n, ids) {
__glGenObject(n, ids, 'createFramebuffer', GL.framebuffers
);
}
var _emscripten_glGenFramebuffers = _glGenFramebuffers;
/** @suppress {duplicate } */
function _glGenQueries(n, ids) {
__glGenObject(n, ids, 'createQuery', GL.queries
);
}
var _emscripten_glGenQueries = _glGenQueries;
/** @suppress {duplicate } */
function _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 } */
function _glGenRenderbuffers(n, renderbuffers) {
__glGenObject(n, renderbuffers, 'createRenderbuffer', GL.renderbuffers
);
}
var _emscripten_glGenRenderbuffers = _glGenRenderbuffers;
/** @suppress {duplicate } */
function _glGenSamplers(n, samplers) {
__glGenObject(n, samplers, 'createSampler', GL.samplers
);
}
var _emscripten_glGenSamplers = _glGenSamplers;
/** @suppress {duplicate } */
function _glGenTextures(n, textures) {
__glGenObject(n, textures, 'createTexture', GL.textures
);
}
var _emscripten_glGenTextures = _glGenTextures;
/** @suppress {duplicate } */
function _glGenTransformFeedbacks(n, ids) {
__glGenObject(n, ids, 'createTransformFeedback', GL.transformFeedbacks
);
}
var _emscripten_glGenTransformFeedbacks = _glGenTransformFeedbacks;
/** @suppress {duplicate } */
function _glGenVertexArrays(n, arrays) {
__glGenObject(n, arrays, 'createVertexArray', GL.vaos
);
}
var _emscripten_glGenVertexArrays = _glGenVertexArrays;
/** @suppress {duplicate } */
var _glGenVertexArraysOES = _glGenVertexArrays;
var _emscripten_glGenVertexArraysOES = _glGenVertexArraysOES;
/** @suppress {duplicate } */
function _glGenerateMipmap(x0) { GLctx.generateMipmap(x0) }
var _emscripten_glGenerateMipmap = _glGenerateMipmap;
function __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 } */
function _glGetActiveAttrib(program, index, bufSize, length, size, type, name) {
__glGetActiveAttribOrUniform('getActiveAttrib', program, index, bufSize, length, size, type, name);
}
var _emscripten_glGetActiveAttrib = _glGetActiveAttrib;
/** @suppress {duplicate } */
function _glGetActiveUniform(program, index, bufSize, length, size, type, name) {
__glGetActiveAttribOrUniform('getActiveUniform', program, index, bufSize, length, size, type, name);
}
var _emscripten_glGetActiveUniform = _glGetActiveUniform;
/** @suppress {duplicate } */
function _glGetActiveUniformBlockName(program, uniformBlockIndex, bufSize, length, uniformBlockName) {
program = GL.programs[program];
var result = GLctx.getActiveUniformBlockName(program, uniformBlockIndex);
if (!result) return; // If an error occurs, nothing will be written to uniformBlockName or length.
if (uniformBlockName && bufSize > 0) {
var numBytesWrittenExclNull = stringToUTF8(result, uniformBlockName, bufSize);
if (length) HEAP32[((length)>>2)] = numBytesWrittenExclNull;
} else {
if (length) HEAP32[((length)>>2)] = 0;
}
}
var _emscripten_glGetActiveUniformBlockName = _glGetActiveUniformBlockName;
/** @suppress {duplicate } */
function _glGetActiveUniformBlockiv(program, uniformBlockIndex, 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;
}
program = GL.programs[program];
if (pname == 0x8A41 /* GL_UNIFORM_BLOCK_NAME_LENGTH */) {
var name = GLctx.getActiveUniformBlockName(program, uniformBlockIndex);
HEAP32[((params)>>2)] = name.length+1;
return;
}
var result = GLctx.getActiveUniformBlockParameter(program, uniformBlockIndex, pname);
if (result === null) return; // If an error occurs, nothing should be written to params.
if (pname == 0x8A43 /*GL_UNIFORM_BLOCK_ACTIVE_UNIFORM_INDICES*/) {
for (var i = 0; i < result.length; i++) {
HEAP32[(((params)+(i*4))>>2)] = result[i];
}
} else {
HEAP32[((params)>>2)] = result;
}
}
var _emscripten_glGetActiveUniformBlockiv = _glGetActiveUniformBlockiv;
/** @suppress {duplicate } */
function _glGetActiveUniformsiv(program, uniformCount, uniformIndices, 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;
}
if (uniformCount > 0 && uniformIndices == 0) {
GL.recordError(0x501 /* GL_INVALID_VALUE */);
return;
}
program = GL.programs[program];
var ids = [];
for (var i = 0; i < uniformCount; i++) {
ids.push(HEAP32[(((uniformIndices)+(i*4))>>2)]);
}
var result = GLctx.getActiveUniforms(program, ids, pname);
if (!result) return; // GL spec: If an error is generated, nothing is written out to params.
var len = result.length;
for (var i = 0; i < len; i++) {
HEAP32[(((params)+(i*4))>>2)] = result[i];
}
}
var _emscripten_glGetActiveUniformsiv = _glGetActiveUniformsiv;
/** @suppress {duplicate } */
function _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 } */
function _glGetAttribLocation(program, name) {
return GLctx.getAttribLocation(GL.programs[program], UTF8ToString(name));
}
var _emscripten_glGetAttribLocation = _glGetAttribLocation;
function readI53FromI64(ptr) {
return HEAPU32[ptr>>2] + HEAP32[ptr+4>>2] * 4294967296;
}
function readI53FromU64(ptr) {
return HEAPU32[ptr>>2] + HEAPU32[ptr+4>>2] * 4294967296;
}
function writeI53ToI64(ptr, num) {
HEAPU32[ptr>>2] = num;
HEAPU32[ptr+4>>2] = (num - HEAPU32[ptr>>2])/4294967296;
var deserialized = (num >= 0) ? readI53FromU64(ptr) : readI53FromI64(ptr);
if (deserialized != num) warnOnce('writeI53ToI64() out of range: serialized JS Number ' + num + ' to Wasm heap as bytes lo=' + ptrToString(HEAPU32[ptr>>2]) + ', hi=' + ptrToString(HEAPU32[ptr+4>>2]) + ', which deserializes back to ' + deserialized + ' instead!');
}
function 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
}
return; // Do not write anything to the out pointer, since no binary formats are supported.
case 0x87FE: // GL_NUM_PROGRAM_BINARY_FORMATS
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;
case 0x821D: // GL_NUM_EXTENSIONS
if (GL.currentContext.version < 2) {
GL.recordError(0x502 /* GL_INVALID_OPERATION */); // Calling GLES3/WebGL2 function with a GLES2/WebGL1 context
return;
}
// .getSupportedExtensions() can return null if context is lost, so coerce to empty array.
var exts = GLctx.getSupportedExtensions() || [];
ret = 2 * exts.length; // each extension is duplicated, first in unprefixed WebGL form, and then a second time with "GL_" prefix.
break;
case 0x821B: // GL_MAJOR_VERSION
case 0x821C: // GL_MINOR_VERSION
if (GL.currentContext.version < 2) {
GL.recordError(0x500); // GL_INVALID_ENUM
return;
}
ret = name_ == 0x821B ? 3 : 0; // return version 3.0
break;
}
if (ret === undefined) {
var result = GLctx.getParameter(name_);
switch (typeof result) {
case "number":
ret = result;
break;
case "boolean":
ret = result ? 1 : 0;
break;
case "string":
GL.recordError(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 0x8F36: // COPY_READ_BUFFER_BINDING or COPY_READ_BUFFER
case 0x8F37: // COPY_WRITE_BUFFER_BINDING or COPY_WRITE_BUFFER
case 0x88ED: // PIXEL_PACK_BUFFER_BINDING
case 0x88EF: // PIXEL_UNPACK_BUFFER_BINDING
case 0x8CAA: // READ_FRAMEBUFFER_BINDING
case 0x8919: // SAMPLER_BINDING
case 0x8C1D: // TEXTURE_BINDING_2D_ARRAY
case 0x806A: // TEXTURE_BINDING_3D
case 0x8E25: // TRANSFORM_FEEDBACK_BINDING
case 0x8C8F: // TRANSFORM_FEEDBACK_BUFFER_BINDING
case 0x8A28: // UNIFORM_BUFFER_BINDING
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 } */
function _glGetBooleanv(name_, p) {
emscriptenWebGLGet(name_, p, 4);
}
var _emscripten_glGetBooleanv = _glGetBooleanv;
/** @suppress {duplicate } */
function _glGetBufferParameteri64v(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;
}
writeI53ToI64(data, GLctx.getBufferParameter(target, value));
}
var _emscripten_glGetBufferParameteri64v = _glGetBufferParameteri64v;
/** @suppress {duplicate } */
function _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 } */
function _glGetError() {
var error = GLctx.getError() || GL.lastError;
GL.lastError = 0/*GL_NO_ERROR*/;
return error;
}
var _emscripten_glGetError = _glGetError;
/** @suppress {duplicate } */
function _glGetFloatv(name_, p) {
emscriptenWebGLGet(name_, p, 2);
}
var _emscripten_glGetFloatv = _glGetFloatv;
/** @suppress {duplicate } */
function _glGetFragDataLocation(program, name) {
return GLctx.getFragDataLocation(GL.programs[program], UTF8ToString(name));
}
var _emscripten_glGetFragDataLocation = _glGetFragDataLocation;
/** @suppress {duplicate } */
function _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;
function emscriptenWebGLGetIndexed(target, index, data, type) {
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;
}
var result = GLctx.getIndexedParameter(target, index);
var ret;
switch (typeof result) {
case 'boolean':
ret = result ? 1 : 0;
break;
case 'number':
ret = result;
break;
case 'object':
if (result === null) {
switch (target) {
case 0x8C8F: // TRANSFORM_FEEDBACK_BUFFER_BINDING
case 0x8A28: // UNIFORM_BUFFER_BINDING
ret = 0;
break;
default: {
GL.recordError(0x500); // GL_INVALID_ENUM
return;
}
}
} else if (result instanceof WebGLBuffer) {
ret = result.name | 0;
} else {
GL.recordError(0x500); // GL_INVALID_ENUM
return;
}
break;
default:
GL.recordError(0x500); // GL_INVALID_ENUM
return;
}
switch (type) {
case 1: writeI53ToI64(data, ret); break;
case 0: HEAP32[((data)>>2)] = ret; break;
case 2: HEAPF32[((data)>>2)] = ret; break;
case 4: HEAP8[((data)>>0)] = ret ? 1 : 0; break;
default: throw 'internal emscriptenWebGLGetIndexed() error, bad type: ' + type;
}
}
/** @suppress {duplicate } */
function _glGetInteger64i_v(target, index, data) {
emscriptenWebGLGetIndexed(target, index, data, 1);
}
var _emscripten_glGetInteger64i_v = _glGetInteger64i_v;
/** @suppress {duplicate } */
function _glGetInteger64v(name_, p) {
emscriptenWebGLGet(name_, p, 1);
}
var _emscripten_glGetInteger64v = _glGetInteger64v;
/** @suppress {duplicate } */
function _glGetIntegeri_v(target, index, data) {
emscriptenWebGLGetIndexed(target, index, data, 0);
}
var _emscripten_glGetIntegeri_v = _glGetIntegeri_v;
/** @suppress {duplicate } */
function _glGetIntegerv(name_, p) {
emscriptenWebGLGet(name_, p, 0);
}
var _emscripten_glGetIntegerv = _glGetIntegerv;
/** @suppress {duplicate } */
function _glGetInternalformativ(target, internalformat, pname, bufSize, params) {
if (bufSize < 0) {
GL.recordError(0x501 /* GL_INVALID_VALUE */);
return;
}
if (!params) {
// GLES3 specification does not specify how to behave if values is a null pointer. Since calling this function does not make sense
// if values == null, issue a GL error to notify user about it.
GL.recordError(0x501 /* GL_INVALID_VALUE */);
return;
}
var ret = GLctx.getInternalformatParameter(target, internalformat, pname);
if (ret === null) return;
for (var i = 0; i < ret.length && i < bufSize; ++i) {
HEAP32[(((params)+(i*4))>>2)] = ret[i];
}
}
var _emscripten_glGetInternalformativ = _glGetInternalformativ;
/** @suppress {duplicate } */
function _glGetProgramBinary(program, bufSize, length, binaryFormat, binary) {
GL.recordError(0x502/*GL_INVALID_OPERATION*/);
}
var _emscripten_glGetProgramBinary = _glGetProgramBinary;
/** @suppress {duplicate } */
function _glGetProgramInfoLog(program, maxLength, length, infoLog) {
var log = GLctx.getProgramInfoLog(GL.programs[program]);
if (log === null) log = '(unknown error)';
var numBytesWrittenExclNull = (maxLength > 0 && infoLog) ? stringToUTF8(log, infoLog, maxLength) : 0;
if (length) HEAP32[((length)>>2)] = numBytesWrittenExclNull;
}
var _emscripten_glGetProgramInfoLog = _glGetProgramInfoLog;
/** @suppress {duplicate } */
function _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 } */
function _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;
if (GL.currentContext.version < 2)
{
param = GLctx.disjointTimerQueryExt['getQueryObjectEXT'](query, pname);
}
else {
param = GLctx.getQueryParameter(query, pname);
}
var ret;
if (typeof param == 'boolean') {
ret = param ? 1 : 0;
} else {
ret = param;
}
writeI53ToI64(params, ret);
}
var _emscripten_glGetQueryObjecti64vEXT = _glGetQueryObjecti64vEXT;
/** @suppress {duplicate } */
function _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 } */
function _glGetQueryObjectuiv(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.getQueryParameter(query, pname);
var ret;
if (typeof param == 'boolean') {
ret = param ? 1 : 0;
} else {
ret = param;
}
HEAP32[((params)>>2)] = ret;
}
var _emscripten_glGetQueryObjectuiv = _glGetQueryObjectuiv;
/** @suppress {duplicate } */
var _glGetQueryObjectuivEXT = _glGetQueryObjectivEXT;
var _emscripten_glGetQueryObjectuivEXT = _glGetQueryObjectuivEXT;
/** @suppress {duplicate } */
function _glGetQueryiv(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.getQuery(target, pname);
}
var _emscripten_glGetQueryiv = _glGetQueryiv;
/** @suppress {duplicate } */
function _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 } */
function _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 } */
function _glGetSamplerParameterfv(sampler, pname, params) {
if (!params) {
// GLES3 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.getSamplerParameter(GL.samplers[sampler], pname);
}
var _emscripten_glGetSamplerParameterfv = _glGetSamplerParameterfv;
/** @suppress {duplicate } */
function _glGetSamplerParameteriv(sampler, pname, params) {
if (!params) {
// GLES3 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.getSamplerParameter(GL.samplers[sampler], pname);
}
var _emscripten_glGetSamplerParameteriv = _glGetSamplerParameteriv;
/** @suppress {duplicate } */
function _glGetShaderInfoLog(shader, maxLength, length, infoLog) {
var log = GLctx.getShaderInfoLog(GL.shaders[shader]);
if (log === null) log = '(unknown error)';
var numBytesWrittenExclNull = (maxLength > 0 && infoLog) ? stringToUTF8(log, infoLog, maxLength) : 0;
if (length) HEAP32[((length)>>2)] = numBytesWrittenExclNull;
}
var _emscripten_glGetShaderInfoLog = _glGetShaderInfoLog;
/** @suppress {duplicate } */
function _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 } */
function _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 } */
function _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 } */
function _glGetString(name_) {
var ret = GL.stringCache[name_];
if (!ret) {
switch (name_) {
case 0x1F03 /* GL_EXTENSIONS */:
var exts = GLctx.getSupportedExtensions() || []; // .getSupportedExtensions() can return null if context is lost, so coerce to empty array.
exts = exts.concat(exts.map(function(e) { return "GL_" + e; }));
ret = stringToNewUTF8(exts.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);
break;
case 0x1F02 /* GL_VERSION */:
var glVersion = GLctx.getParameter(0x1F02 /*GL_VERSION*/);
// return GLES version string corresponding to the version of the WebGL context
if (true) glVersion = 'OpenGL ES 3.0 (' + glVersion + ')';
else
{
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 } */
function _glGetStringi(name, index) {
if (GL.currentContext.version < 2) {
GL.recordError(0x502 /* GL_INVALID_OPERATION */); // Calling GLES3/WebGL2 function with a GLES2/WebGL1 context
return 0;
}
var stringiCache = GL.stringiCache[name];
if (stringiCache) {
if (index < 0 || index >= stringiCache.length) {
GL.recordError(0x501/*GL_INVALID_VALUE*/);
return 0;
}
return stringiCache[index];
}
switch (name) {
case 0x1F03 /* GL_EXTENSIONS */:
var exts = GLctx.getSupportedExtensions() || []; // .getSupportedExtensions() can return null if context is lost, so coerce to empty array.
exts = exts.concat(exts.map(function(e) { return "GL_" + e; }));
exts = exts.map(function(e) { return stringToNewUTF8(e); });
stringiCache = GL.stringiCache[name] = exts;
if (index < 0 || index >= stringiCache.length) {
GL.recordError(0x501/*GL_INVALID_VALUE*/);
return 0;
}
return stringiCache[index];
default:
GL.recordError(0x500/*GL_INVALID_ENUM*/);
return 0;
}
}
var _emscripten_glGetStringi = _glGetStringi;
/** @suppress {duplicate } */
function _glGetSynciv(sync, pname, bufSize, length, values) {
if (bufSize < 0) {
// GLES3 specification does not specify how to behave if bufSize < 0, however in the spec wording for glGetInternalformativ, it does say that GL_INVALID_VALUE should be raised,
// so raise GL_INVALID_VALUE here as well.
GL.recordError(0x501 /* GL_INVALID_VALUE */);
return;
}
if (!values) {
// GLES3 specification does not specify how to behave if values is a null pointer. Since calling this function does not make sense
// if values == null, issue a GL error to notify user about it.
GL.recordError(0x501 /* GL_INVALID_VALUE */);
return;
}
var ret = GLctx.getSyncParameter(GL.syncs[sync], pname);
if (ret !== null) {
HEAP32[((values)>>2)] = ret;
if (length) HEAP32[((length)>>2)] = 1; // Report a single value outputted.
}
}
var _emscripten_glGetSynciv = _glGetSynciv;
/** @suppress {duplicate } */
function _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 } */
function _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 {duplicate } */
function _glGetTransformFeedbackVarying(program, index, bufSize, length, size, type, name) {
program = GL.programs[program];
var info = GLctx.getTransformFeedbackVarying(program, index);
if (!info) return; // If an error occurred, the return parameters length, size, type and name will be unmodified.
if (name && bufSize > 0) {
var numBytesWrittenExclNull = stringToUTF8(info.name, name, bufSize);
if (length) HEAP32[((length)>>2)] = numBytesWrittenExclNull;
} else {
if (length) HEAP32[((length)>>2)] = 0;
}
if (size) HEAP32[((size)>>2)] = info.size;
if (type) HEAP32[((type)>>2)] = info.type;
}
var _emscripten_glGetTransformFeedbackVarying = _glGetTransformFeedbackVarying;
/** @suppress {duplicate } */
function _glGetUniformBlockIndex(program, uniformBlockName) {
return GLctx.getUniformBlockIndex(GL.programs[program], UTF8ToString(uniformBlockName));
}
var _emscripten_glGetUniformBlockIndex = _glGetUniformBlockIndex;
/** @suppress {duplicate } */
function _glGetUniformIndices(program, uniformCount, uniformNames, uniformIndices) {
if (!uniformIndices) {
// GLES2 specification does not specify how to behave if uniformIndices is a null pointer. Since calling this function does not make sense
// if uniformIndices == null, issue a GL error to notify user about it.
GL.recordError(0x501 /* GL_INVALID_VALUE */);
return;
}
if (uniformCount > 0 && (uniformNames == 0 || uniformIndices == 0)) {
GL.recordError(0x501 /* GL_INVALID_VALUE */);
return;
}
program = GL.programs[program];
var names = [];
for (var i = 0; i < uniformCount; i++)
names.push(UTF8ToString(HEAP32[(((uniformNames)+(i*4))>>2)]));
var result = GLctx.getUniformIndices(program, names);
if (!result) return; // GL spec: If an error is generated, nothing is written out to uniformIndices.
var len = result.length;
for (var i = 0; i < len; i++) {
HEAP32[(((uniformIndices)+(i*4))>>2)] = result[i];
}
}
var _emscripten_glGetUniformIndices = _glGetUniformIndices;
/** @suppress {checkTypes} */
function jstoi_q(str) {
return parseInt(str);
}
/** @noinline */
function webglGetLeftBracePos(name) {
return name.slice(-1) == ']' && name.lastIndexOf('[');
}
function 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 } */
function _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?
var sizeAndId = program.uniformSizeAndIdsByName[uniformBaseName]; // A pair [array length, GLint of the uniform location]
// 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;
function 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} */
function 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 } */
function _glGetUniformfv(program, location, params) {
emscriptenWebGLGetUniform(program, location, params, 2);
}
var _emscripten_glGetUniformfv = _glGetUniformfv;
/** @suppress {duplicate } */
function _glGetUniformiv(program, location, params) {
emscriptenWebGLGetUniform(program, location, params, 0);
}
var _emscripten_glGetUniformiv = _glGetUniformiv;
/** @suppress {duplicate } */
function _glGetUniformuiv(program, location, params) {
emscriptenWebGLGetUniform(program, location, params, 0);
}
var _emscripten_glGetUniformuiv = _glGetUniformuiv;
/** @suppress{checkTypes} */
function 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 } */
function _glGetVertexAttribIiv(index, pname, params) {
// N.B. This function may only be called if the vertex attribute was specified using the function glVertexAttribI4iv(),
// otherwise the results are undefined. (GLES3 spec 6.1.12)
emscriptenWebGLGetVertexAttrib(index, pname, params, 0);
}
var _emscripten_glGetVertexAttribIiv = _glGetVertexAttribIiv;
/** @suppress {duplicate } */
var _glGetVertexAttribIuiv = _glGetVertexAttribIiv;
var _emscripten_glGetVertexAttribIuiv = _glGetVertexAttribIuiv;
/** @suppress {duplicate } */
function _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 {duplicate } */
function _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 } */
function _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 } */
function _glInvalidateFramebuffer(target, numAttachments, attachments) {
var list = tempFixedLengthArray[numAttachments];
for (var i = 0; i < numAttachments; i++) {
list[i] = HEAP32[(((attachments)+(i*4))>>2)];
}
GLctx.invalidateFramebuffer(target, list);
}
var _emscripten_glInvalidateFramebuffer = _glInvalidateFramebuffer;
/** @suppress {duplicate } */
function _glInvalidateSubFramebuffer(target, numAttachments, attachments, x, y, width, height) {
var list = tempFixedLengthArray[numAttachments];
for (var i = 0; i < numAttachments; i++) {
list[i] = HEAP32[(((attachments)+(i*4))>>2)];
}
GLctx.invalidateSubFramebuffer(target, list, x, y, width, height);
}
var _emscripten_glInvalidateSubFramebuffer = _glInvalidateSubFramebuffer;
/** @suppress {duplicate } */
function _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 } */
function _glIsFramebuffer(framebuffer) {
var fb = GL.framebuffers[framebuffer];
if (!fb) return 0;
return GLctx.isFramebuffer(fb);
}
var _emscripten_glIsFramebuffer = _glIsFramebuffer;
/** @suppress {duplicate } */
function _glIsProgram(program) {
program = GL.programs[program];
if (!program) return 0;
return GLctx.isProgram(program);
}
var _emscripten_glIsProgram = _glIsProgram;
/** @suppress {duplicate } */
function _glIsQuery(id) {
var query = GL.queries[id];
if (!query) return 0;
return GLctx.isQuery(query);
}
var _emscripten_glIsQuery = _glIsQuery;
/** @suppress {duplicate } */
function _glIsQueryEXT(id) {
var query = GL.queries[id];
if (!query) return 0;
return GLctx.disjointTimerQueryExt['isQueryEXT'](query);
}
var _emscripten_glIsQueryEXT = _glIsQueryEXT;
/** @suppress {duplicate } */
function _glIsRenderbuffer(renderbuffer) {
var rb = GL.renderbuffers[renderbuffer];
if (!rb) return 0;
return GLctx.isRenderbuffer(rb);
}
var _emscripten_glIsRenderbuffer = _glIsRenderbuffer;
/** @suppress {duplicate } */
function _glIsSampler(id) {
var sampler = GL.samplers[id];
if (!sampler) return 0;
return GLctx.isSampler(sampler);
}
var _emscripten_glIsSampler = _glIsSampler;
/** @suppress {duplicate } */
function _glIsShader(shader) {
var s = GL.shaders[shader];
if (!s) return 0;
return GLctx.isShader(s);
}
var _emscripten_glIsShader = _glIsShader;
/** @suppress {duplicate } */
function _glIsSync(sync) {
return GLctx.isSync(GL.syncs[sync]);
}
var _emscripten_glIsSync = _glIsSync;
/** @suppress {duplicate } */
function _glIsTexture(id) {
var texture = GL.textures[id];
if (!texture) return 0;
return GLctx.isTexture(texture);
}
var _emscripten_glIsTexture = _glIsTexture;
/** @suppress {duplicate } */
function _glIsTransformFeedback(id) {
return GLctx.isTransformFeedback(GL.transformFeedbacks[id]);
}
var _emscripten_glIsTransformFeedback = _glIsTransformFeedback;
/** @suppress {duplicate } */
function _glIsVertexArray(array) {
var vao = GL.vaos[array];
if (!vao) return 0;
return GLctx.isVertexArray(vao);
}
var _emscripten_glIsVertexArray = _glIsVertexArray;
/** @suppress {duplicate } */
var _glIsVertexArrayOES = _glIsVertexArray;
var _emscripten_glIsVertexArrayOES = _glIsVertexArrayOES;
/** @suppress {duplicate } */
function _glLineWidth(x0) { GLctx.lineWidth(x0) }
var _emscripten_glLineWidth = _glLineWidth;
/** @suppress {duplicate } */
function _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 } */
function _glPauseTransformFeedback() { GLctx.pauseTransformFeedback() }
var _emscripten_glPauseTransformFeedback = _glPauseTransformFeedback;
/** @suppress {duplicate } */
function _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 } */
function _glProgramBinary(program, binaryFormat, binary, length) {
GL.recordError(0x500/*GL_INVALID_ENUM*/);
}
var _emscripten_glProgramBinary = _glProgramBinary;
/** @suppress {duplicate } */
function _glProgramParameteri(program, pname, value) {
GL.recordError(0x500/*GL_INVALID_ENUM*/);
}
var _emscripten_glProgramParameteri = _glProgramParameteri;
/** @suppress {duplicate } */
function _glQueryCounterEXT(id, target) {
GLctx.disjointTimerQueryExt['queryCounterEXT'](GL.queries[id], target);
}
var _emscripten_glQueryCounterEXT = _glQueryCounterEXT;
/** @suppress {duplicate } */
function _glReadBuffer(x0) { GLctx.readBuffer(x0) }
var _emscripten_glReadBuffer = _glReadBuffer;
function computeUnpackAlignedImageSize(width, height, sizePerPixel, alignment) {
function roundedToNextMultipleOf(x, y) {
return (x + y - 1) & -y;
}
var plainRowSize = width * sizePerPixel;
var alignedRowSize = roundedToNextMultipleOf(plainRowSize, alignment);
return height * alignedRowSize;
}
function colorChannelsInGlTextureFormat(format) {
// 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,
// 0x1903 /* GL_RED */ - 0x1902: 1,
26917: 2,
26918: 2,
// 0x8D94 /* GL_RED_INTEGER */ - 0x1902: 1,
29846: 3,
29847: 4
};
return colorChannels[format - 0x1902]||1;
}
function 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 == 0) return HEAP8;
if (type == 1) return HEAPU8;
if (type == 2) return HEAP16;
if (type == 4) return HEAP32;
if (type == 6) return HEAPF32;
if (type == 5
|| type == 28922
|| type == 28520
|| type == 30779
|| type == 30782
)
return HEAPU32;
return HEAPU16;
}
function heapAccessShiftForWebGLHeap(heap) {
return 31 - Math.clz32(heap.BYTES_PER_ELEMENT);
}
function emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, internalFormat) {
var heap = heapObjectForWebGLType(type);
var shift = heapAccessShiftForWebGLHeap(heap);
var byteSize = 1<<shift;
var sizePerPixel = colorChannelsInGlTextureFormat(format) * byteSize;
var bytes = computeUnpackAlignedImageSize(width, height, sizePerPixel, GL.unpackAlignment);
return heap.subarray(pixels >> shift, pixels + bytes >> shift);
}
/** @suppress {duplicate } */
function _glReadPixels(x, y, width, height, format, type, pixels) {
if (true) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
if (GLctx.currentPixelPackBufferBinding) {
GLctx.readPixels(x, y, width, height, format, type, pixels);
} else {
var heap = heapObjectForWebGLType(type);
GLctx.readPixels(x, y, width, height, format, type, heap, pixels >> heapAccessShiftForWebGLHeap(heap));
}
return;
}
var pixelData = emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, format);
if (!pixelData) {
GL.recordError(0x500/*GL_INVALID_ENUM*/);
return;
}
GLctx.readPixels(x, y, width, height, format, type, pixelData);
}
var _emscripten_glReadPixels = _glReadPixels;
/** @suppress {duplicate } */
function _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 } */
function _glRenderbufferStorageMultisample(x0, x1, x2, x3, x4) { GLctx.renderbufferStorageMultisample(x0, x1, x2, x3, x4) }
var _emscripten_glRenderbufferStorageMultisample = _glRenderbufferStorageMultisample;
/** @suppress {duplicate } */
function _glResumeTransformFeedback() { GLctx.resumeTransformFeedback() }
var _emscripten_glResumeTransformFeedback = _glResumeTransformFeedback;
/** @suppress {duplicate } */
function _glSampleCoverage(value, invert) {
GLctx.sampleCoverage(value, !!invert);
}
var _emscripten_glSampleCoverage = _glSampleCoverage;
/** @suppress {duplicate } */
function _glSamplerParameterf(sampler, pname, param) {
GLctx.samplerParameterf(GL.samplers[sampler], pname, param);
}
var _emscripten_glSamplerParameterf = _glSamplerParameterf;
/** @suppress {duplicate } */
function _glSamplerParameterfv(sampler, pname, params) {
var param = HEAPF32[((params)>>2)];
GLctx.samplerParameterf(GL.samplers[sampler], pname, param);
}
var _emscripten_glSamplerParameterfv = _glSamplerParameterfv;
/** @suppress {duplicate } */
function _glSamplerParameteri(sampler, pname, param) {
GLctx.samplerParameteri(GL.samplers[sampler], pname, param);
}
var _emscripten_glSamplerParameteri = _glSamplerParameteri;
/** @suppress {duplicate } */
function _glSamplerParameteriv(sampler, pname, params) {
var param = HEAP32[((params)>>2)];
GLctx.samplerParameteri(GL.samplers[sampler], pname, param);
}
var _emscripten_glSamplerParameteriv = _glSamplerParameteriv;
/** @suppress {duplicate } */
function _glScissor(x0, x1, x2, x3) { GLctx.scissor(x0, x1, x2, x3) }
var _emscripten_glScissor = _glScissor;
/** @suppress {duplicate } */
function _glShaderBinary(count, shaders, binaryformat, binary, length) {
GL.recordError(0x500/*GL_INVALID_ENUM*/);
}
var _emscripten_glShaderBinary = _glShaderBinary;
/** @suppress {duplicate } */
function _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 } */
function _glTexImage2D(target, level, internalFormat, width, height, border, format, type, pixels) {
if (true) {
// WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
if (GLctx.currentPixelUnpackBufferBinding) {
GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, pixels);
} else if (pixels) {
var heap = heapObjectForWebGLType(type);
GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, heap, pixels >> heapAccessShiftForWebGLHeap(heap));
} else {
GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, null);
}
return;
}
GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, pixels ? emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, internalFormat) : null);
}
var _emscripten_glTexImage2D = _glTexImage2D;
/** @suppress {duplicate } */
function _glTexImage3D(target, level, internalFormat, width, height, depth, border, format, type, pixels) {
if (GLctx.currentPixelUnpackBufferBinding) {
GLctx.texImage3D(target, level, internalFormat, width, height, depth, border, format, type, pixels);
} else if (pixels) {
var heap = heapObjectForWebGLType(type);
GLctx.texImage3D(target, level, internalFormat, width, height, depth, border, format, type, heap, pixels >> heapAccessShiftForWebGLHeap(heap));
} else {
GLctx.texImage3D(target, level, internalFormat, width, height, depth, border, format, type, null);
}
}
var _emscripten_glTexImage3D = _glTexImage3D;
/** @suppress {duplicate } */
function _glTexParameterf(x0, x1, x2) { GLctx.texParameterf(x0, x1, x2) }
var _emscripten_glTexParameterf = _glTexParameterf;
/** @suppress {duplicate } */
function _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 } */
function _glTexParameteriv(target, pname, params) {
var param = HEAP32[((params)>>2)];
GLctx.texParameteri(target, pname, param);
}
var _emscripten_glTexParameteriv = _glTexParameteriv;
/** @suppress {duplicate } */
function _glTexStorage2D(x0, x1, x2, x3, x4) { GLctx.texStorage2D(x0, x1, x2, x3, x4) }
var _emscripten_glTexStorage2D = _glTexStorage2D;
/** @suppress {duplicate } */
function _glTexStorage3D(x0, x1, x2, x3, x4, x5) { GLctx.texStorage3D(x0, x1, x2, x3, x4, x5) }
var _emscripten_glTexStorage3D = _glTexStorage3D;
/** @suppress {duplicate } */
function _glTexSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixels) {
if (true) {
// WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
if (GLctx.currentPixelUnpackBufferBinding) {
GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixels);
} else if (pixels) {
var heap = heapObjectForWebGLType(type);
GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, heap, pixels >> heapAccessShiftForWebGLHeap(heap));
} else {
GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, null);
}
return;
}
var pixelData = null;
if (pixels) pixelData = emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, 0);
GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixelData);
}
var _emscripten_glTexSubImage2D = _glTexSubImage2D;
/** @suppress {duplicate } */
function _glTexSubImage3D(target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, pixels) {
if (GLctx.currentPixelUnpackBufferBinding) {
GLctx.texSubImage3D(target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, pixels);
} else if (pixels) {
var heap = heapObjectForWebGLType(type);
GLctx.texSubImage3D(target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, heap, pixels >> heapAccessShiftForWebGLHeap(heap));
} else {
GLctx.texSubImage3D(target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, null);
}
}
var _emscripten_glTexSubImage3D = _glTexSubImage3D;
/** @suppress {duplicate } */
function _glTransformFeedbackVaryings(program, count, varyings, bufferMode) {
program = GL.programs[program];
var vars = [];
for (var i = 0; i < count; i++)
vars.push(UTF8ToString(HEAP32[(((varyings)+(i*4))>>2)]));
GLctx.transformFeedbackVaryings(program, vars, bufferMode);
}
var _emscripten_glTransformFeedbackVaryings = _glTransformFeedbackVaryings;
/** @suppress {duplicate } */
function _glUniform1f(location, v0) {
GLctx.uniform1f(webglGetUniformLocation(location), v0);
}
var _emscripten_glUniform1f = _glUniform1f;
/** @suppress {duplicate } */
function _glUniform1fv(location, count, value) {
count && GLctx.uniform1fv(webglGetUniformLocation(location), HEAPF32, value>>2, count);
}
var _emscripten_glUniform1fv = _glUniform1fv;
/** @suppress {duplicate } */
function _glUniform1i(location, v0) {
GLctx.uniform1i(webglGetUniformLocation(location), v0);
}
var _emscripten_glUniform1i = _glUniform1i;
/** @suppress {duplicate } */
function _glUniform1iv(location, count, value) {
count && GLctx.uniform1iv(webglGetUniformLocation(location), HEAP32, value>>2, count);
}
var _emscripten_glUniform1iv = _glUniform1iv;
/** @suppress {duplicate } */
function _glUniform1ui(location, v0) {
GLctx.uniform1ui(webglGetUniformLocation(location), v0);
}
var _emscripten_glUniform1ui = _glUniform1ui;
/** @suppress {duplicate } */
function _glUniform1uiv(location, count, value) {
count && GLctx.uniform1uiv(webglGetUniformLocation(location), HEAPU32, value>>2, count);
}
var _emscripten_glUniform1uiv = _glUniform1uiv;
/** @suppress {duplicate } */
function _glUniform2f(location, v0, v1) {
GLctx.uniform2f(webglGetUniformLocation(location), v0, v1);
}
var _emscripten_glUniform2f = _glUniform2f;
/** @suppress {duplicate } */
function _glUniform2fv(location, count, value) {
count && GLctx.uniform2fv(webglGetUniformLocation(location), HEAPF32, value>>2, count*2);
}
var _emscripten_glUniform2fv = _glUniform2fv;
/** @suppress {duplicate } */
function _glUniform2i(location, v0, v1) {
GLctx.uniform2i(webglGetUniformLocation(location), v0, v1);
}
var _emscripten_glUniform2i = _glUniform2i;
/** @suppress {duplicate } */
function _glUniform2iv(location, count, value) {
count && GLctx.uniform2iv(webglGetUniformLocation(location), HEAP32, value>>2, count*2);
}
var _emscripten_glUniform2iv = _glUniform2iv;
/** @suppress {duplicate } */
function _glUniform2ui(location, v0, v1) {
GLctx.uniform2ui(webglGetUniformLocation(location), v0, v1);
}
var _emscripten_glUniform2ui = _glUniform2ui;
/** @suppress {duplicate } */
function _glUniform2uiv(location, count, value) {
count && GLctx.uniform2uiv(webglGetUniformLocation(location), HEAPU32, value>>2, count*2);
}
var _emscripten_glUniform2uiv = _glUniform2uiv;
/** @suppress {duplicate } */
function _glUniform3f(location, v0, v1, v2) {
GLctx.uniform3f(webglGetUniformLocation(location), v0, v1, v2);
}
var _emscripten_glUniform3f = _glUniform3f;
/** @suppress {duplicate } */
function _glUniform3fv(location, count, value) {
count && GLctx.uniform3fv(webglGetUniformLocation(location), HEAPF32, value>>2, count*3);
}
var _emscripten_glUniform3fv = _glUniform3fv;
/** @suppress {duplicate } */
function _glUniform3i(location, v0, v1, v2) {
GLctx.uniform3i(webglGetUniformLocation(location), v0, v1, v2);
}
var _emscripten_glUniform3i = _glUniform3i;
/** @suppress {duplicate } */
function _glUniform3iv(location, count, value) {
count && GLctx.uniform3iv(webglGetUniformLocation(location), HEAP32, value>>2, count*3);
}
var _emscripten_glUniform3iv = _glUniform3iv;
/** @suppress {duplicate } */
function _glUniform3ui(location, v0, v1, v2) {
GLctx.uniform3ui(webglGetUniformLocation(location), v0, v1, v2);
}
var _emscripten_glUniform3ui = _glUniform3ui;
/** @suppress {duplicate } */
function _glUniform3uiv(location, count, value) {
count && GLctx.uniform3uiv(webglGetUniformLocation(location), HEAPU32, value>>2, count*3);
}
var _emscripten_glUniform3uiv = _glUniform3uiv;
/** @suppress {duplicate } */
function _glUniform4f(location, v0, v1, v2, v3) {
GLctx.uniform4f(webglGetUniformLocation(location), v0, v1, v2, v3);
}
var _emscripten_glUniform4f = _glUniform4f;
/** @suppress {duplicate } */
function _glUniform4fv(location, count, value) {
count && GLctx.uniform4fv(webglGetUniformLocation(location), HEAPF32, value>>2, count*4);
}
var _emscripten_glUniform4fv = _glUniform4fv;
/** @suppress {duplicate } */
function _glUniform4i(location, v0, v1, v2, v3) {
GLctx.uniform4i(webglGetUniformLocation(location), v0, v1, v2, v3);
}
var _emscripten_glUniform4i = _glUniform4i;
/** @suppress {duplicate } */
function _glUniform4iv(location, count, value) {
count && GLctx.uniform4iv(webglGetUniformLocation(location), HEAP32, value>>2, count*4);
}
var _emscripten_glUniform4iv = _glUniform4iv;
/** @suppress {duplicate } */
function _glUniform4ui(location, v0, v1, v2, v3) {
GLctx.uniform4ui(webglGetUniformLocation(location), v0, v1, v2, v3);
}
var _emscripten_glUniform4ui = _glUniform4ui;
/** @suppress {duplicate } */
function _glUniform4uiv(location, count, value) {
count && GLctx.uniform4uiv(webglGetUniformLocation(location), HEAPU32, value>>2, count*4);
}
var _emscripten_glUniform4uiv = _glUniform4uiv;
/** @suppress {duplicate } */
function _glUniformBlockBinding(program, uniformBlockIndex, uniformBlockBinding) {
program = GL.programs[program];
GLctx.uniformBlockBinding(program, uniformBlockIndex, uniformBlockBinding);
}
var _emscripten_glUniformBlockBinding = _glUniformBlockBinding;
/** @suppress {duplicate } */
function _glUniformMatrix2fv(location, count, transpose, value) {
count && GLctx.uniformMatrix2fv(webglGetUniformLocation(location), !!transpose, HEAPF32, value>>2, count*4);
}
var _emscripten_glUniformMatrix2fv = _glUniformMatrix2fv;
/** @suppress {duplicate } */
function _glUniformMatrix2x3fv(location, count, transpose, value) {
count && GLctx.uniformMatrix2x3fv(webglGetUniformLocation(location), !!transpose, HEAPF32, value>>2, count*6);
}
var _emscripten_glUniformMatrix2x3fv = _glUniformMatrix2x3fv;
/** @suppress {duplicate } */
function _glUniformMatrix2x4fv(location, count, transpose, value) {
count && GLctx.uniformMatrix2x4fv(webglGetUniformLocation(location), !!transpose, HEAPF32, value>>2, count*8);
}
var _emscripten_glUniformMatrix2x4fv = _glUniformMatrix2x4fv;
/** @suppress {duplicate } */
function _glUniformMatrix3fv(location, count, transpose, value) {
count && GLctx.uniformMatrix3fv(webglGetUniformLocation(location), !!transpose, HEAPF32, value>>2, count*9);
}
var _emscripten_glUniformMatrix3fv = _glUniformMatrix3fv;
/** @suppress {duplicate } */
function _glUniformMatrix3x2fv(location, count, transpose, value) {
count && GLctx.uniformMatrix3x2fv(webglGetUniformLocation(location), !!transpose, HEAPF32, value>>2, count*6);
}
var _emscripten_glUniformMatrix3x2fv = _glUniformMatrix3x2fv;
/** @suppress {duplicate } */
function _glUniformMatrix3x4fv(location, count, transpose, value) {
count && GLctx.uniformMatrix3x4fv(webglGetUniformLocation(location), !!transpose, HEAPF32, value>>2, count*12);
}
var _emscripten_glUniformMatrix3x4fv = _glUniformMatrix3x4fv;
/** @suppress {duplicate } */
function _glUniformMatrix4fv(location, count, transpose, value) {
count && GLctx.uniformMatrix4fv(webglGetUniformLocation(location), !!transpose, HEAPF32, value>>2, count*16);
}
var _emscripten_glUniformMatrix4fv = _glUniformMatrix4fv;
/** @suppress {duplicate } */
function _glUniformMatrix4x2fv(location, count, transpose, value) {
count && GLctx.uniformMatrix4x2fv(webglGetUniformLocation(location), !!transpose, HEAPF32, value>>2, count*8);
}
var _emscripten_glUniformMatrix4x2fv = _glUniformMatrix4x2fv;
/** @suppress {duplicate } */
function _glUniformMatrix4x3fv(location, count, transpose, value) {
count && GLctx.uniformMatrix4x3fv(webglGetUniformLocation(location), !!transpose, HEAPF32, value>>2, count*12);
}
var _emscripten_glUniformMatrix4x3fv = _glUniformMatrix4x3fv;
/** @suppress {duplicate } */
function _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 } */
function _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 } */
function _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 } */
function _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 } */
function _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 } */
function _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 } */
function _glVertexAttribDivisor(index, divisor) {
GLctx.vertexAttribDivisor(index, divisor);
}
var _emscripten_glVertexAttribDivisor = _glVertexAttribDivisor;
/** @suppress {duplicate } */
var _glVertexAttribDivisorANGLE = _glVertexAttribDivisor;
var _emscripten_glVertexAttribDivisorANGLE = _glVertexAttribDivisorANGLE;
/** @suppress {duplicate } */
var _glVertexAttribDivisorARB = _glVertexAttribDivisor;
var _emscripten_glVertexAttribDivisorARB = _glVertexAttribDivisorARB;
/** @suppress {duplicate } */
var _glVertexAttribDivisorEXT = _glVertexAttribDivisor;
var _emscripten_glVertexAttribDivisorEXT = _glVertexAttribDivisorEXT;
/** @suppress {duplicate } */
var _glVertexAttribDivisorNV = _glVertexAttribDivisor;
var _emscripten_glVertexAttribDivisorNV = _glVertexAttribDivisorNV;
/** @suppress {duplicate } */
function _glVertexAttribI4i(x0, x1, x2, x3, x4) { GLctx.vertexAttribI4i(x0, x1, x2, x3, x4) }
var _emscripten_glVertexAttribI4i = _glVertexAttribI4i;
/** @suppress {duplicate } */
function _glVertexAttribI4iv(index, v) {
GLctx.vertexAttribI4i(index, HEAP32[v>>2], HEAP32[v+4>>2], HEAP32[v+8>>2], HEAP32[v+12>>2]);
}
var _emscripten_glVertexAttribI4iv = _glVertexAttribI4iv;
/** @suppress {duplicate } */
function _glVertexAttribI4ui(x0, x1, x2, x3, x4) { GLctx.vertexAttribI4ui(x0, x1, x2, x3, x4) }
var _emscripten_glVertexAttribI4ui = _glVertexAttribI4ui;
/** @suppress {duplicate } */
function _glVertexAttribI4uiv(index, v) {
GLctx.vertexAttribI4ui(index, HEAPU32[v>>2], HEAPU32[v+4>>2], HEAPU32[v+8>>2], HEAPU32[v+12>>2]);
}
var _emscripten_glVertexAttribI4uiv = _glVertexAttribI4uiv;
/** @suppress {duplicate } */
function _glVertexAttribIPointer(index, size, type, stride, ptr) {
GLctx.vertexAttribIPointer(index, size, type, stride, ptr);
}
var _emscripten_glVertexAttribIPointer = _glVertexAttribIPointer;
/** @suppress {duplicate } */
function _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;
/** @suppress {duplicate } */
function _glWaitSync(sync, flags, timeout_low, timeout_high) {
// See WebGL2 vs GLES3 difference on GL_TIMEOUT_IGNORED above (https://www.khronos.org/registry/webgl/specs/latest/2.0/#5.15)
var timeout = convertI32PairToI53(timeout_low, timeout_high);
GLctx.waitSync(GL.syncs[sync], flags, timeout);
}
var _emscripten_glWaitSync = _glWaitSync;
function _emscripten_has_asyncify() {
return 0;
}
function _emscripten_memcpy_big(dest, src, num) {
HEAPU8.copyWithin(dest, src, src + num);
}
function 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);
}
function _emscripten_request_fullscreen_strategy(target, deferUntilInEventHandler, fullscreenStrategy) {
var strategy = {
scaleMode: HEAP32[((fullscreenStrategy)>>2)],
canvasResolutionScaleMode: HEAP32[(((fullscreenStrategy)+(4))>>2)],
filteringMode: HEAP32[(((fullscreenStrategy)+(8))>>2)],
deferUntilInEventHandler: deferUntilInEventHandler,
canvasResizedCallback: HEAP32[(((fullscreenStrategy)+(12))>>2)],
canvasResizedCallbackUserData: HEAP32[(((fullscreenStrategy)+(16))>>2)]
};
return doRequestFullscreen(target, strategy);
}
function _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);
}
function getHeapMax() {
// Stay one Wasm page short of 4GB: while e.g. Chrome is able to allocate
// full 4GB Wasm memories, the size will wrap back to 0 bytes in Wasm side
// for any code that deals with heap sizes, which would require special
// casing all heap size related code to treat 0 specially.
return 2147483648;
}
function emscripten_realloc_buffer(size) {
var b = wasmMemory.buffer;
try {
// round size grow request up to wasm page size (fixed 64KB per spec)
wasmMemory.grow((size - b.byteLength + 65535) >>> 16); // .grow() takes a delta compared to the previous size
updateMemoryViews();
return 1 /*success*/;
} catch(e) {
err(`emscripten_realloc_buffer: Attempted to grow heap from ${b.byteLength} bytes to ${size} bytes, but got error: ${e}`);
}
// implicit 0 return to save code size (caller will cast "undefined" into 0
// anyhow)
}
function _emscripten_resize_heap(requestedSize) {
var oldSize = HEAPU8.length;
requestedSize = requestedSize >>> 0;
// With multithreaded builds, races can happen (another thread might increase the size
// in between), so return a failure, and let the caller retry.
assert(requestedSize > oldSize);
// Memory resize rules:
// 1. Always increase heap size to at least the requested size, rounded up
// to next page multiple.
// 2a. If MEMORY_GROWTH_LINEAR_STEP == -1, excessively resize the heap
// geometrically: increase the heap size according to
// MEMORY_GROWTH_GEOMETRIC_STEP factor (default +20%), At most
// overreserve by MEMORY_GROWTH_GEOMETRIC_CAP bytes (default 96MB).
// 2b. If MEMORY_GROWTH_LINEAR_STEP != -1, excessively resize the heap
// linearly: increase the heap size by at least
// MEMORY_GROWTH_LINEAR_STEP bytes.
// 3. Max size for the heap is capped at 2048MB-WASM_PAGE_SIZE, or by
// MAXIMUM_MEMORY, or by ASAN limit, depending on which is smallest
// 4. If we were unable to allocate as much memory, it may be due to
// over-eager decision to excessively reserve due to (3) above.
// Hence if an allocation fails, cut down on the amount of excess
// growth, in an attempt to succeed to perform a smaller allocation.
// A limit is set for how much we can grow. We should not exceed that
// (the wasm binary specifies it, so if we tried, we'd fail anyhow).
var maxHeapSize = getHeapMax();
if (requestedSize > maxHeapSize) {
err(`Cannot enlarge memory, asked to go up to ${requestedSize} bytes, but the limit is ${maxHeapSize} bytes!`);
return false;
}
var alignUp = (x, multiple) => x + (multiple - x % multiple) % multiple;
// Loop through potential heap size increases. If we attempt a too eager
// reservation that fails, cut down on the attempted size and reserve a
// smaller bump instead. (max 3 times, chosen somewhat arbitrarily)
for (var cutDown = 1; cutDown <= 4; cutDown *= 2) {
var overGrownHeapSize = oldSize * (1 + 0.2 / cutDown); // ensure geometric growth
// but limit overreserving (default to capping at +96MB overgrowth at most)
overGrownHeapSize = Math.min(overGrownHeapSize, requestedSize + 100663296 );
var newSize = Math.min(maxHeapSize, alignUp(Math.max(requestedSize, overGrownHeapSize), 65536));
var replacement = emscripten_realloc_buffer(newSize);
if (replacement) {
return true;
}
}
err(`Failed to grow the heap from ${oldSize} bytes to ${newSize} bytes, not enough memory!`);
return false;
}
function _emscripten_sample_gamepad_data() {
return (JSEvents.lastGamepadState = (navigator.getGamepads ? navigator.getGamepads() : (navigator.webkitGetGamepads ? navigator.webkitGetGamepads() : null)))
? 0 : -1;
}
function registerBeforeUnloadEventCallback(target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString) {
var beforeUnloadEventHandlerFunc = function(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: eventTypeString,
callbackfunc: callbackfunc,
handlerFunc: beforeUnloadEventHandlerFunc,
useCapture: useCapture
};
return JSEvents.registerOrRemoveHandler(eventHandler);
}
function _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");
}
function registerFocusEventCallback(target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) {
if (!JSEvents.focusEvent) JSEvents.focusEvent = _malloc( 256 );
var focusEventHandlerFunc = function(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: eventTypeString,
callbackfunc: callbackfunc,
handlerFunc: focusEventHandlerFunc,
useCapture: useCapture
};
return JSEvents.registerOrRemoveHandler(eventHandler);
}
function _emscripten_set_blur_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
return registerFocusEventCallback(target, userData, useCapture, callbackfunc, 12, "blur", targetThread);
}
function _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;
}
function _emscripten_set_focus_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
return registerFocusEventCallback(target, userData, useCapture, callbackfunc, 13, "focus", targetThread);
}
function 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;
}
}
function registerFullscreenChangeEventCallback(target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) {
if (!JSEvents.fullscreenChangeEvent) JSEvents.fullscreenChangeEvent = _malloc( 280 );
var fullscreenChangeEventhandlerFunc = function(e = event) {
var fullscreenChangeEvent = JSEvents.fullscreenChangeEvent;
fillFullscreenChangeEventData(fullscreenChangeEvent);
if (getWasmTableEntry(callbackfunc)(eventTypeId, fullscreenChangeEvent, userData)) e.preventDefault();
};
var eventHandler = {
target: target,
eventTypeString: eventTypeString,
callbackfunc: callbackfunc,
handlerFunc: fullscreenChangeEventhandlerFunc,
useCapture: useCapture
};
return JSEvents.registerOrRemoveHandler(eventHandler);
}
function _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);
}
function registerGamepadEventCallback(target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) {
if (!JSEvents.gamepadEvent) JSEvents.gamepadEvent = _malloc( 1432 );
var gamepadEventHandlerFunc = function(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: eventTypeString,
callbackfunc: callbackfunc,
handlerFunc: gamepadEventHandlerFunc,
useCapture: useCapture
};
return JSEvents.registerOrRemoveHandler(eventHandler);
}
function _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);
}
function _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);
}
function registerKeyEventCallback(target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) {
if (!JSEvents.keyEvent) JSEvents.keyEvent = _malloc( 176 );
var keyEventHandlerFunc = function(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: eventTypeString,
callbackfunc: callbackfunc,
handlerFunc: keyEventHandlerFunc,
useCapture: useCapture
};
return JSEvents.registerOrRemoveHandler(eventHandler);
}
function _emscripten_set_keydown_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
return registerKeyEventCallback(target, userData, useCapture, callbackfunc, 2, "keydown", targetThread);
}
function _emscripten_set_keypress_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
return registerKeyEventCallback(target, userData, useCapture, callbackfunc, 1, "keypress", targetThread);
}
function _emscripten_set_keyup_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
return registerKeyEventCallback(target, userData, useCapture, callbackfunc, 3, "keyup", targetThread);
}
function _emscripten_set_main_loop(func, fps, simulateInfiniteLoop) {
var browserIterationFunc = getWasmTableEntry(func);
setMainLoop(browserIterationFunc, fps, simulateInfiniteLoop);
}
function 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;
}
function registerMouseEventCallback(target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) {
if (!JSEvents.mouseEvent) JSEvents.mouseEvent = _malloc( 72 );
target = findEventTarget(target);
var mouseEventHandlerFunc = function(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: target,
allowsDeferredCalls: eventTypeString != 'mousemove' && eventTypeString != 'mouseenter' && eventTypeString != 'mouseleave', // Mouse move events do not allow fullscreen/pointer lock requests to be handled in them!
eventTypeString: eventTypeString,
callbackfunc: callbackfunc,
handlerFunc: mouseEventHandlerFunc,
useCapture: useCapture
};
return JSEvents.registerOrRemoveHandler(eventHandler);
}
function _emscripten_set_mousedown_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
return registerMouseEventCallback(target, userData, useCapture, callbackfunc, 5, "mousedown", targetThread);
}
function _emscripten_set_mouseenter_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
return registerMouseEventCallback(target, userData, useCapture, callbackfunc, 33, "mouseenter", targetThread);
}
function _emscripten_set_mouseleave_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
return registerMouseEventCallback(target, userData, useCapture, callbackfunc, 34, "mouseleave", targetThread);
}
function _emscripten_set_mousemove_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
return registerMouseEventCallback(target, userData, useCapture, callbackfunc, 8, "mousemove", targetThread);
}
function _emscripten_set_mouseup_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
return registerMouseEventCallback(target, userData, useCapture, callbackfunc, 6, "mouseup", targetThread);
}
function 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);
}
function registerPointerlockChangeEventCallback(target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) {
if (!JSEvents.pointerlockChangeEvent) JSEvents.pointerlockChangeEvent = _malloc( 260 );
var pointerlockChangeEventHandlerFunc = function(e = event) {
var pointerlockChangeEvent = JSEvents.pointerlockChangeEvent;
fillPointerlockChangeEventData(pointerlockChangeEvent);
if (getWasmTableEntry(callbackfunc)(eventTypeId, pointerlockChangeEvent, userData)) e.preventDefault();
};
var eventHandler = {
target: target,
eventTypeString: eventTypeString,
callbackfunc: callbackfunc,
handlerFunc: pointerlockChangeEventHandlerFunc,
useCapture: useCapture
};
return JSEvents.registerOrRemoveHandler(eventHandler);
}
/** @suppress {missingProperties} */
function _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);
}
function registerUiEventCallback(target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) {
if (!JSEvents.uiEvent) JSEvents.uiEvent = _malloc( 36 );
target = findEventTarget(target);
var uiEventHandlerFunc = function(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: target,
eventTypeString: eventTypeString,
callbackfunc: callbackfunc,
handlerFunc: uiEventHandlerFunc,
useCapture: useCapture
};
return JSEvents.registerOrRemoveHandler(eventHandler);
}
function _emscripten_set_resize_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
return registerUiEventCallback(target, userData, useCapture, callbackfunc, 10, "resize", targetThread);
}
function registerTouchEventCallback(target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) {
if (!JSEvents.touchEvent) JSEvents.touchEvent = _malloc( 1696 );
target = findEventTarget(target);
var touchEventHandlerFunc = function(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: target,
allowsDeferredCalls: eventTypeString == 'touchstart' || eventTypeString == 'touchend',
eventTypeString: eventTypeString,
callbackfunc: callbackfunc,
handlerFunc: touchEventHandlerFunc,
useCapture: useCapture
};
return JSEvents.registerOrRemoveHandler(eventHandler);
}
function _emscripten_set_touchcancel_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
return registerTouchEventCallback(target, userData, useCapture, callbackfunc, 25, "touchcancel", targetThread);
}
function _emscripten_set_touchend_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
return registerTouchEventCallback(target, userData, useCapture, callbackfunc, 23, "touchend", targetThread);
}
function _emscripten_set_touchmove_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
return registerTouchEventCallback(target, userData, useCapture, callbackfunc, 24, "touchmove", targetThread);
}
function _emscripten_set_touchstart_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
return registerTouchEventCallback(target, userData, useCapture, callbackfunc, 22, "touchstart", targetThread);
}
function 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;
}
function registerVisibilityChangeEventCallback(target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) {
if (!JSEvents.visibilityChangeEvent) JSEvents.visibilityChangeEvent = _malloc( 8 );
var visibilityChangeEventHandlerFunc = function(e = event) {
var visibilityChangeEvent = JSEvents.visibilityChangeEvent;
fillVisibilityChangeEventData(visibilityChangeEvent);
if (getWasmTableEntry(callbackfunc)(eventTypeId, visibilityChangeEvent, userData)) e.preventDefault();
};
var eventHandler = {
target: target,
eventTypeString: eventTypeString,
callbackfunc: callbackfunc,
handlerFunc: visibilityChangeEventHandlerFunc,
useCapture: useCapture
};
return JSEvents.registerOrRemoveHandler(eventHandler);
}
function _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);
}
function 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 = function(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: target,
allowsDeferredCalls: true,
eventTypeString: eventTypeString,
callbackfunc: callbackfunc,
handlerFunc: wheelHandlerFunc,
useCapture: useCapture
};
return JSEvents.registerOrRemoveHandler(eventHandler);
}
function _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;
}
}
function _emscripten_set_window_title(title) {
setWindowTitle(UTF8ToString(title));
}
function _emscripten_sleep() {
throw 'Please compile your program with async support in order to use asynchronous operations like emscripten_sleep';
}
var ENV = {};
function getExecutableName() {
return thisProgram || './this.program';
}
function 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;
}
function 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;
}
function _environ_get(__environ, environ_buf) {
var bufSize = 0;
getEnvStrings().forEach(function(string, i) {
var ptr = environ_buf + bufSize;
HEAPU32[(((__environ)+(i*4))>>2)] = ptr;
stringToAscii(string, ptr);
bufSize += string.length + 1;
});
return 0;
}
function _environ_sizes_get(penviron_count, penviron_buf_size) {
var strings = getEnvStrings();
HEAPU32[((penviron_count)>>2)] = strings.length;
var bufSize = 0;
strings.forEach(function(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 */
function 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;
}
}
function 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) {
try {
var offset = convertI32PairToI53Checked(offset_low, offset_high); 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 */
function 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;
}
}
function isLeapYear(year) {
return year%4 === 0 && (year%100 !== 0 || year%400 === 0);
}
function arraySum(array, index) {
var sum = 0;
for (var i = 0; i <= index; sum += array[i++]) {
// no-op
}
return sum;
}
var MONTH_DAYS_LEAP = [31,29,31,30,31,30,31,31,30,31,30,31];
var MONTH_DAYS_REGULAR = [31,28,31,30,31,30,31,31,30,31,30,31];
function addDays(date, days) {
var newDate = new Date(date.getTime());
while (days > 0) {
var leap = isLeapYear(newDate.getFullYear());
var currentMonth = newDate.getMonth();
var daysInCurrentMonth = (leap ? MONTH_DAYS_LEAP : MONTH_DAYS_REGULAR)[currentMonth];
if (days > daysInCurrentMonth-newDate.getDate()) {
// we spill over to next month
days -= (daysInCurrentMonth-newDate.getDate()+1);
newDate.setDate(1);
if (currentMonth < 11) {
newDate.setMonth(currentMonth+1)
} else {
newDate.setMonth(0);
newDate.setFullYear(newDate.getFullYear()+1);
}
} else {
// we stay in current month
newDate.setDate(newDate.getDate()+days);
return newDate;
}
}
return newDate;
}
function writeArrayToMemory(array, buffer) {
assert(array.length >= 0, 'writeArrayToMemory array must have a length (should be an array or typed array)')
HEAP8.set(array, buffer);
}
function _strftime(s, maxsize, format, tm) {
// size_t strftime(char *restrict s, size_t maxsize, const char *restrict format, const struct tm *restrict timeptr);
// http://pubs.opengroup.org/onlinepubs/009695399/functions/strftime.html
var tm_zone = HEAP32[(((tm)+(40))>>2)];
var date = {
tm_sec: HEAP32[((tm)>>2)],
tm_min: HEAP32[(((tm)+(4))>>2)],
tm_hour: HEAP32[(((tm)+(8))>>2)],
tm_mday: HEAP32[(((tm)+(12))>>2)],
tm_mon: HEAP32[(((tm)+(16))>>2)],
tm_year: HEAP32[(((tm)+(20))>>2)],
tm_wday: HEAP32[(((tm)+(24))>>2)],
tm_yday: HEAP32[(((tm)+(28))>>2)],
tm_isdst: HEAP32[(((tm)+(32))>>2)],
tm_gmtoff: HEAP32[(((tm)+(36))>>2)],
tm_zone: tm_zone ? UTF8ToString(tm_zone) : ''
};
var pattern = UTF8ToString(format);
// expand format
var EXPANSION_RULES_1 = {
'%c': '%a %b %d %H:%M:%S %Y', // Replaced by the locale's appropriate date and time representation - e.g., Mon Aug 3 14:02:01 2013
'%D': '%m/%d/%y', // Equivalent to %m / %d / %y
'%F': '%Y-%m-%d', // Equivalent to %Y - %m - %d
'%h': '%b', // Equivalent to %b
'%r': '%I:%M:%S %p', // Replaced by the time in a.m. and p.m. notation
'%R': '%H:%M', // Replaced by the time in 24-hour notation
'%T': '%H:%M:%S', // Replaced by the time
'%x': '%m/%d/%y', // Replaced by the locale's appropriate date representation
'%X': '%H:%M:%S', // Replaced by the locale's appropriate time representation
// Modified Conversion Specifiers
'%Ec': '%c', // Replaced by the locale's alternative appropriate date and time representation.
'%EC': '%C', // Replaced by the name of the base year (period) in the locale's alternative representation.
'%Ex': '%m/%d/%y', // Replaced by the locale's alternative date representation.
'%EX': '%H:%M:%S', // Replaced by the locale's alternative time representation.
'%Ey': '%y', // Replaced by the offset from %EC (year only) in the locale's alternative representation.
'%EY': '%Y', // Replaced by the full alternative year representation.
'%Od': '%d', // Replaced by the day of the month, using the locale's alternative numeric symbols, filled as needed with leading zeros if there is any alternative symbol for zero; otherwise, with leading <space> characters.
'%Oe': '%e', // Replaced by the day of the month, using the locale's alternative numeric symbols, filled as needed with leading <space> characters.
'%OH': '%H', // Replaced by the hour (24-hour clock) using the locale's alternative numeric symbols.
'%OI': '%I', // Replaced by the hour (12-hour clock) using the locale's alternative numeric symbols.
'%Om': '%m', // Replaced by the month using the locale's alternative numeric symbols.
'%OM': '%M', // Replaced by the minutes using the locale's alternative numeric symbols.
'%OS': '%S', // Replaced by the seconds using the locale's alternative numeric symbols.
'%Ou': '%u', // Replaced by the weekday as a number in the locale's alternative representation (Monday=1).
'%OU': '%U', // Replaced by the week number of the year (Sunday as the first day of the week, rules corresponding to %U ) using the locale's alternative numeric symbols.
'%OV': '%V', // Replaced by the week number of the year (Monday as the first day of the week, rules corresponding to %V ) using the locale's alternative numeric symbols.
'%Ow': '%w', // Replaced by the number of the weekday (Sunday=0) using the locale's alternative numeric symbols.
'%OW': '%W', // Replaced by the week number of the year (Monday as the first day of the week) using the locale's alternative numeric symbols.
'%Oy': '%y', // Replaced by the year (offset from %C ) using the locale's alternative numeric symbols.
};
for (var rule in EXPANSION_RULES_1) {
pattern = pattern.replace(new RegExp(rule, 'g'), EXPANSION_RULES_1[rule]);
}
var WEEKDAYS = ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'];
var MONTHS = ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'];
function leadingSomething(value, digits, character) {
var str = typeof value == 'number' ? value.toString() : (value || '');
while (str.length < digits) {
str = character[0]+str;
}
return str;
}
function leadingNulls(value, digits) {
return leadingSomething(value, digits, '0');
}
function compareByDay(date1, date2) {
function sgn(value) {
return value < 0 ? -1 : (value > 0 ? 1 : 0);
}
var compare;
if ((compare = sgn(date1.getFullYear()-date2.getFullYear())) === 0) {
if ((compare = sgn(date1.getMonth()-date2.getMonth())) === 0) {
compare = sgn(date1.getDate()-date2.getDate());
}
}
return compare;
}
function getFirstWeekStartDate(janFourth) {
switch (janFourth.getDay()) {
case 0: // Sunday
return new Date(janFourth.getFullYear()-1, 11, 29);
case 1: // Monday
return janFourth;
case 2: // Tuesday
return new Date(janFourth.getFullYear(), 0, 3);
case 3: // Wednesday
return new Date(janFourth.getFullYear(), 0, 2);
case 4: // Thursday
return new Date(janFourth.getFullYear(), 0, 1);
case 5: // Friday
return new Date(janFourth.getFullYear()-1, 11, 31);
case 6: // Saturday
return new Date(janFourth.getFullYear()-1, 11, 30);
}
}
function getWeekBasedYear(date) {
var thisDate = addDays(new Date(date.tm_year+1900, 0, 1), date.tm_yday);
var janFourthThisYear = new Date(thisDate.getFullYear(), 0, 4);
var janFourthNextYear = new Date(thisDate.getFullYear()+1, 0, 4);
var firstWeekStartThisYear = getFirstWeekStartDate(janFourthThisYear);
var firstWeekStartNextYear = getFirstWeekStartDate(janFourthNextYear);
if (compareByDay(firstWeekStartThisYear, thisDate) <= 0) {
// this date is after the start of the first week of this year
if (compareByDay(firstWeekStartNextYear, thisDate) <= 0) {
return thisDate.getFullYear()+1;
}
return thisDate.getFullYear();
}
return thisDate.getFullYear()-1;
}
var EXPANSION_RULES_2 = {
'%a': function(date) {
return WEEKDAYS[date.tm_wday].substring(0,3);
},
'%A': function(date) {
return WEEKDAYS[date.tm_wday];
},
'%b': function(date) {
return MONTHS[date.tm_mon].substring(0,3);
},
'%B': function(date) {
return MONTHS[date.tm_mon];
},
'%C': function(date) {
var year = date.tm_year+1900;
return leadingNulls((year/100)|0,2);
},
'%d': function(date) {
return leadingNulls(date.tm_mday, 2);
},
'%e': function(date) {
return leadingSomething(date.tm_mday, 2, ' ');
},
'%g': function(date) {
// %g, %G, and %V give values according to the ISO 8601:2000 standard week-based year.
// In this system, weeks begin on a Monday and week 1 of the year is the week that includes
// January 4th, which is also the week that includes the first Thursday of the year, and
// is also the first week that contains at least four days in the year.
// If the first Monday of January is the 2nd, 3rd, or 4th, the preceding days are part of
// the last week of the preceding year; thus, for Saturday 2nd January 1999,
// %G is replaced by 1998 and %V is replaced by 53. If December 29th, 30th,
// or 31st is a Monday, it and any following days are part of week 1 of the following year.
// Thus, for Tuesday 30th December 1997, %G is replaced by 1998 and %V is replaced by 01.
return getWeekBasedYear(date).toString().substring(2);
},
'%G': function(date) {
return getWeekBasedYear(date);
},
'%H': function(date) {
return leadingNulls(date.tm_hour, 2);
},
'%I': function(date) {
var twelveHour = date.tm_hour;
if (twelveHour == 0) twelveHour = 12;
else if (twelveHour > 12) twelveHour -= 12;
return leadingNulls(twelveHour, 2);
},
'%j': function(date) {
// Day of the year (001-366)
return leadingNulls(date.tm_mday + arraySum(isLeapYear(date.tm_year+1900) ? MONTH_DAYS_LEAP : MONTH_DAYS_REGULAR, date.tm_mon-1), 3);
},
'%m': function(date) {
return leadingNulls(date.tm_mon+1, 2);
},
'%M': function(date) {
return leadingNulls(date.tm_min, 2);
},
'%n': function() {
return '\n';
},
'%p': function(date) {
if (date.tm_hour >= 0 && date.tm_hour < 12) {
return 'AM';
}
return 'PM';
},
'%S': function(date) {
return leadingNulls(date.tm_sec, 2);
},
'%t': function() {
return '\t';
},
'%u': function(date) {
return date.tm_wday || 7;
},
'%U': function(date) {
var days = date.tm_yday + 7 - date.tm_wday;
return leadingNulls(Math.floor(days / 7), 2);
},
'%V': function(date) {
// Replaced by the week number of the year (Monday as the first day of the week)
// as a decimal number [01,53]. If the week containing 1 January has four
// or more days in the new year, then it is considered week 1.
// Otherwise, it is the last week of the previous year, and the next week is week 1.
// Both January 4th and the first Thursday of January are always in week 1. [ tm_year, tm_wday, tm_yday]
var val = Math.floor((date.tm_yday + 7 - (date.tm_wday + 6) % 7 ) / 7);
// If 1 Jan is just 1-3 days past Monday, the previous week
// is also in this year.
if ((date.tm_wday + 371 - date.tm_yday - 2) % 7 <= 2) {
val++;
}
if (!val) {
val = 52;
// If 31 December of prev year a Thursday, or Friday of a
// leap year, then the prev year has 53 weeks.
var dec31 = (date.tm_wday + 7 - date.tm_yday - 1) % 7;
if (dec31 == 4 || (dec31 == 5 && isLeapYear(date.tm_year%400-1))) {
val++;
}
} else if (val == 53) {
// If 1 January is not a Thursday, and not a Wednesday of a
// leap year, then this year has only 52 weeks.
var jan1 = (date.tm_wday + 371 - date.tm_yday) % 7;
if (jan1 != 4 && (jan1 != 3 || !isLeapYear(date.tm_year)))
val = 1;
}
return leadingNulls(val, 2);
},
'%w': function(date) {
return date.tm_wday;
},
'%W': function(date) {
var days = date.tm_yday + 7 - ((date.tm_wday + 6) % 7);
return leadingNulls(Math.floor(days / 7), 2);
},
'%y': function(date) {
// Replaced by the last two digits of the year as a decimal number [00,99]. [ tm_year]
return (date.tm_year+1900).toString().substring(2);
},
'%Y': function(date) {
// Replaced by the year as a decimal number (for example, 1997). [ tm_year]
return date.tm_year+1900;
},
'%z': function(date) {
// Replaced by the offset from UTC in the ISO 8601:2000 standard format ( +hhmm or -hhmm ).
// For example, "-0430" means 4 hours 30 minutes behind UTC (west of Greenwich).
var off = date.tm_gmtoff;
var ahead = off >= 0;
off = Math.abs(off) / 60;
// convert from minutes into hhmm format (which means 60 minutes = 100 units)
off = (off / 60)*100 + (off % 60);
return (ahead ? '+' : '-') + String("0000" + off).slice(-4);
},
'%Z': function(date) {
return date.tm_zone;
},
'%%': function() {
return '%';
}
};
// Replace %% with a pair of NULLs (which cannot occur in a C string), then
// re-inject them after processing.
pattern = pattern.replace(/%%/g, '\0\0')
for (var rule in EXPANSION_RULES_2) {
if (pattern.includes(rule)) {
pattern = pattern.replace(new RegExp(rule, 'g'), EXPANSION_RULES_2[rule](date));
}
}
pattern = pattern.replace(/\0\0/g, '%')
var bytes = intArrayFromString(pattern, false);
if (bytes.length > maxsize) {
return 0;
}
writeArrayToMemory(bytes, s);
return bytes.length-1;
}
function _strftime_l(s, maxsize, format, tm, loc) {
return _strftime(s, maxsize, format, tm); // no locale support yet
}
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;;
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,
};;
// exports
Module["requestFullscreen"] = function Module_requestFullscreen(lockPointer, resizeCanvas) { Browser.requestFullscreen(lockPointer, resizeCanvas) };
Module["requestFullScreen"] = function Module_requestFullScreen() { Browser.requestFullScreen() };
Module["requestAnimationFrame"] = function Module_requestAnimationFrame(func) { Browser.requestAnimationFrame(func) };
Module["setCanvasSize"] = function Module_setCanvasSize(width, height, noUpdates) { Browser.setCanvasSize(width, height, noUpdates) };
Module["pauseMainLoop"] = function Module_pauseMainLoop() { Browser.mainLoop.pause() };
Module["resumeMainLoop"] = function Module_resumeMainLoop() { Browser.mainLoop.resume() };
Module["getUserMedia"] = function Module_getUserMedia() { Browser.getUserMedia() };
Module["createContext"] = function Module_createContext(canvas, useWebGL, setInModule, webGLContextAttributes) { return Browser.createContext(canvas, useWebGL, setInModule, webGLContextAttributes) };
var preloadedImages = {};
var preloadedAudios = {};;
var GLctx;;
for (var i = 0; i < 32; ++i) tempFixedLengthArray.push(new Array(i));;
// include: base64Utils.js
// Copied from https://github.com/strophe/strophejs/blob/e06d027/src/polyfills.js#L149
// This code was written by Tyler Akins and has been placed in the
// public domain. It would be nice if you left this header intact.
// Base64 code from Tyler Akins -- http://rumkin.com
/**
* Decodes a base64 string.
* @param {string} input The string to decode.
*/
var decodeBase64 = typeof atob == 'function' ? atob : function (input) {
var keyStr = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
var output = '';
var chr1, chr2, chr3;
var enc1, enc2, enc3, enc4;
var i = 0;
// remove all characters that are not A-Z, a-z, 0-9, +, /, or =
input = input.replace(/[^A-Za-z0-9\+\/\=]/g, '');
do {
enc1 = keyStr.indexOf(input.charAt(i++));
enc2 = keyStr.indexOf(input.charAt(i++));
enc3 = keyStr.indexOf(input.charAt(i++));
enc4 = keyStr.indexOf(input.charAt(i++));
chr1 = (enc1 << 2) | (enc2 >> 4);
chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
chr3 = ((enc3 & 3) << 6) | enc4;
output = output + String.fromCharCode(chr1);
if (enc3 !== 64) {
output = output + String.fromCharCode(chr2);
}
if (enc4 !== 64) {
output = output + String.fromCharCode(chr3);
}
} while (i < input.length);
return output;
};
// Converts a string of base64 into a byte array.
// Throws error on invalid input.
function intArrayFromBase64(s) {
if (typeof ENVIRONMENT_IS_NODE == 'boolean' && ENVIRONMENT_IS_NODE) {
var buf = Buffer.from(s, 'base64');
return new Uint8Array(buf['buffer'], buf['byteOffset'], buf['byteLength']);
}
try {
var decoded = decodeBase64(s);
var bytes = new Uint8Array(decoded.length);
for (var i = 0 ; i < decoded.length ; ++i) {
bytes[i] = decoded.charCodeAt(i);
}
return bytes;
} catch (_) {
throw new Error('Converting base64 string to bytes failed.');
}
}
// 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
function checkIncomingModuleAPI() {
ignoredModuleProp('fetchSettings');
}
var wasmImports = {
"__cxa_throw": ___cxa_throw,
"__syscall_fcntl64": ___syscall_fcntl64,
"__syscall_ioctl": ___syscall_ioctl,
"__syscall_openat": ___syscall_openat,
"_emscripten_get_now_is_monotonic": __emscripten_get_now_is_monotonic,
"_emscripten_throw_longjmp": __emscripten_throw_longjmp,
"abort": _abort,
"eglBindAPI": _eglBindAPI,
"eglChooseConfig": _eglChooseConfig,
"eglCreateContext": _eglCreateContext,
"eglCreateWindowSurface": _eglCreateWindowSurface,
"eglDestroyContext": _eglDestroyContext,
"eglDestroySurface": _eglDestroySurface,
"eglGetConfigAttrib": _eglGetConfigAttrib,
"eglGetDisplay": _eglGetDisplay,
"eglGetError": _eglGetError,
"eglInitialize": _eglInitialize,
"eglMakeCurrent": _eglMakeCurrent,
"eglQueryString": _eglQueryString,
"eglSwapBuffers": _eglSwapBuffers,
"eglSwapInterval": _eglSwapInterval,
"eglTerminate": _eglTerminate,
"eglWaitGL": _eglWaitGL,
"eglWaitNative": _eglWaitNative,
"emscripten_asm_const_int": _emscripten_asm_const_int,
"emscripten_asm_const_int_sync_on_main_thread": _emscripten_asm_const_int_sync_on_main_thread,
"emscripten_cancel_main_loop": _emscripten_cancel_main_loop,
"emscripten_date_now": _emscripten_date_now,
"emscripten_exit_fullscreen": _emscripten_exit_fullscreen,
"emscripten_exit_pointerlock": _emscripten_exit_pointerlock,
"emscripten_get_device_pixel_ratio": _emscripten_get_device_pixel_ratio,
"emscripten_get_element_css_size": _emscripten_get_element_css_size,
"emscripten_get_gamepad_status": _emscripten_get_gamepad_status,
"emscripten_get_now": _emscripten_get_now,
"emscripten_get_num_gamepads": _emscripten_get_num_gamepads,
"emscripten_get_screen_size": _emscripten_get_screen_size,
"emscripten_glActiveTexture": _emscripten_glActiveTexture,
"emscripten_glAttachShader": _emscripten_glAttachShader,
"emscripten_glBeginQuery": _emscripten_glBeginQuery,
"emscripten_glBeginQueryEXT": _emscripten_glBeginQueryEXT,
"emscripten_glBeginTransformFeedback": _emscripten_glBeginTransformFeedback,
"emscripten_glBindAttribLocation": _emscripten_glBindAttribLocation,
"emscripten_glBindBuffer": _emscripten_glBindBuffer,
"emscripten_glBindBufferBase": _emscripten_glBindBufferBase,
"emscripten_glBindBufferRange": _emscripten_glBindBufferRange,
"emscripten_glBindFramebuffer": _emscripten_glBindFramebuffer,
"emscripten_glBindRenderbuffer": _emscripten_glBindRenderbuffer,
"emscripten_glBindSampler": _emscripten_glBindSampler,
"emscripten_glBindTexture": _emscripten_glBindTexture,
"emscripten_glBindTransformFeedback": _emscripten_glBindTransformFeedback,
"emscripten_glBindVertexArray": _emscripten_glBindVertexArray,
"emscripten_glBindVertexArrayOES": _emscripten_glBindVertexArrayOES,
"emscripten_glBlendColor": _emscripten_glBlendColor,
"emscripten_glBlendEquation": _emscripten_glBlendEquation,
"emscripten_glBlendEquationSeparate": _emscripten_glBlendEquationSeparate,
"emscripten_glBlendFunc": _emscripten_glBlendFunc,
"emscripten_glBlendFuncSeparate": _emscripten_glBlendFuncSeparate,
"emscripten_glBlitFramebuffer": _emscripten_glBlitFramebuffer,
"emscripten_glBufferData": _emscripten_glBufferData,
"emscripten_glBufferSubData": _emscripten_glBufferSubData,
"emscripten_glCheckFramebufferStatus": _emscripten_glCheckFramebufferStatus,
"emscripten_glClear": _emscripten_glClear,
"emscripten_glClearBufferfi": _emscripten_glClearBufferfi,
"emscripten_glClearBufferfv": _emscripten_glClearBufferfv,
"emscripten_glClearBufferiv": _emscripten_glClearBufferiv,
"emscripten_glClearBufferuiv": _emscripten_glClearBufferuiv,
"emscripten_glClearColor": _emscripten_glClearColor,
"emscripten_glClearDepthf": _emscripten_glClearDepthf,
"emscripten_glClearStencil": _emscripten_glClearStencil,
"emscripten_glClientWaitSync": _emscripten_glClientWaitSync,
"emscripten_glColorMask": _emscripten_glColorMask,
"emscripten_glCompileShader": _emscripten_glCompileShader,
"emscripten_glCompressedTexImage2D": _emscripten_glCompressedTexImage2D,
"emscripten_glCompressedTexImage3D": _emscripten_glCompressedTexImage3D,
"emscripten_glCompressedTexSubImage2D": _emscripten_glCompressedTexSubImage2D,
"emscripten_glCompressedTexSubImage3D": _emscripten_glCompressedTexSubImage3D,
"emscripten_glCopyBufferSubData": _emscripten_glCopyBufferSubData,
"emscripten_glCopyTexImage2D": _emscripten_glCopyTexImage2D,
"emscripten_glCopyTexSubImage2D": _emscripten_glCopyTexSubImage2D,
"emscripten_glCopyTexSubImage3D": _emscripten_glCopyTexSubImage3D,
"emscripten_glCreateProgram": _emscripten_glCreateProgram,
"emscripten_glCreateShader": _emscripten_glCreateShader,
"emscripten_glCullFace": _emscripten_glCullFace,
"emscripten_glDeleteBuffers": _emscripten_glDeleteBuffers,
"emscripten_glDeleteFramebuffers": _emscripten_glDeleteFramebuffers,
"emscripten_glDeleteProgram": _emscripten_glDeleteProgram,
"emscripten_glDeleteQueries": _emscripten_glDeleteQueries,
"emscripten_glDeleteQueriesEXT": _emscripten_glDeleteQueriesEXT,
"emscripten_glDeleteRenderbuffers": _emscripten_glDeleteRenderbuffers,
"emscripten_glDeleteSamplers": _emscripten_glDeleteSamplers,
"emscripten_glDeleteShader": _emscripten_glDeleteShader,
"emscripten_glDeleteSync": _emscripten_glDeleteSync,
"emscripten_glDeleteTextures": _emscripten_glDeleteTextures,
"emscripten_glDeleteTransformFeedbacks": _emscripten_glDeleteTransformFeedbacks,
"emscripten_glDeleteVertexArrays": _emscripten_glDeleteVertexArrays,
"emscripten_glDeleteVertexArraysOES": _emscripten_glDeleteVertexArraysOES,
"emscripten_glDepthFunc": _emscripten_glDepthFunc,
"emscripten_glDepthMask": _emscripten_glDepthMask,
"emscripten_glDepthRangef": _emscripten_glDepthRangef,
"emscripten_glDetachShader": _emscripten_glDetachShader,
"emscripten_glDisable": _emscripten_glDisable,
"emscripten_glDisableVertexAttribArray": _emscripten_glDisableVertexAttribArray,
"emscripten_glDrawArrays": _emscripten_glDrawArrays,
"emscripten_glDrawArraysInstanced": _emscripten_glDrawArraysInstanced,
"emscripten_glDrawArraysInstancedANGLE": _emscripten_glDrawArraysInstancedANGLE,
"emscripten_glDrawArraysInstancedARB": _emscripten_glDrawArraysInstancedARB,
"emscripten_glDrawArraysInstancedEXT": _emscripten_glDrawArraysInstancedEXT,
"emscripten_glDrawArraysInstancedNV": _emscripten_glDrawArraysInstancedNV,
"emscripten_glDrawBuffers": _emscripten_glDrawBuffers,
"emscripten_glDrawBuffersEXT": _emscripten_glDrawBuffersEXT,
"emscripten_glDrawBuffersWEBGL": _emscripten_glDrawBuffersWEBGL,
"emscripten_glDrawElements": _emscripten_glDrawElements,
"emscripten_glDrawElementsInstanced": _emscripten_glDrawElementsInstanced,
"emscripten_glDrawElementsInstancedANGLE": _emscripten_glDrawElementsInstancedANGLE,
"emscripten_glDrawElementsInstancedARB": _emscripten_glDrawElementsInstancedARB,
"emscripten_glDrawElementsInstancedEXT": _emscripten_glDrawElementsInstancedEXT,
"emscripten_glDrawElementsInstancedNV": _emscripten_glDrawElementsInstancedNV,
"emscripten_glDrawRangeElements": _emscripten_glDrawRangeElements,
"emscripten_glEnable": _emscripten_glEnable,
"emscripten_glEnableVertexAttribArray": _emscripten_glEnableVertexAttribArray,
"emscripten_glEndQuery": _emscripten_glEndQuery,
"emscripten_glEndQueryEXT": _emscripten_glEndQueryEXT,
"emscripten_glEndTransformFeedback": _emscripten_glEndTransformFeedback,
"emscripten_glFenceSync": _emscripten_glFenceSync,
"emscripten_glFinish": _emscripten_glFinish,
"emscripten_glFlush": _emscripten_glFlush,
"emscripten_glFramebufferRenderbuffer": _emscripten_glFramebufferRenderbuffer,
"emscripten_glFramebufferTexture2D": _emscripten_glFramebufferTexture2D,
"emscripten_glFramebufferTextureLayer": _emscripten_glFramebufferTextureLayer,
"emscripten_glFrontFace": _emscripten_glFrontFace,
"emscripten_glGenBuffers": _emscripten_glGenBuffers,
"emscripten_glGenFramebuffers": _emscripten_glGenFramebuffers,
"emscripten_glGenQueries": _emscripten_glGenQueries,
"emscripten_glGenQueriesEXT": _emscripten_glGenQueriesEXT,
"emscripten_glGenRenderbuffers": _emscripten_glGenRenderbuffers,
"emscripten_glGenSamplers": _emscripten_glGenSamplers,
"emscripten_glGenTextures": _emscripten_glGenTextures,
"emscripten_glGenTransformFeedbacks": _emscripten_glGenTransformFeedbacks,
"emscripten_glGenVertexArrays": _emscripten_glGenVertexArrays,
"emscripten_glGenVertexArraysOES": _emscripten_glGenVertexArraysOES,
"emscripten_glGenerateMipmap": _emscripten_glGenerateMipmap,
"emscripten_glGetActiveAttrib": _emscripten_glGetActiveAttrib,
"emscripten_glGetActiveUniform": _emscripten_glGetActiveUniform,
"emscripten_glGetActiveUniformBlockName": _emscripten_glGetActiveUniformBlockName,
"emscripten_glGetActiveUniformBlockiv": _emscripten_glGetActiveUniformBlockiv,
"emscripten_glGetActiveUniformsiv": _emscripten_glGetActiveUniformsiv,
"emscripten_glGetAttachedShaders": _emscripten_glGetAttachedShaders,
"emscripten_glGetAttribLocation": _emscripten_glGetAttribLocation,
"emscripten_glGetBooleanv": _emscripten_glGetBooleanv,
"emscripten_glGetBufferParameteri64v": _emscripten_glGetBufferParameteri64v,
"emscripten_glGetBufferParameteriv": _emscripten_glGetBufferParameteriv,
"emscripten_glGetError": _emscripten_glGetError,
"emscripten_glGetFloatv": _emscripten_glGetFloatv,
"emscripten_glGetFragDataLocation": _emscripten_glGetFragDataLocation,
"emscripten_glGetFramebufferAttachmentParameteriv": _emscripten_glGetFramebufferAttachmentParameteriv,
"emscripten_glGetInteger64i_v": _emscripten_glGetInteger64i_v,
"emscripten_glGetInteger64v": _emscripten_glGetInteger64v,
"emscripten_glGetIntegeri_v": _emscripten_glGetIntegeri_v,
"emscripten_glGetIntegerv": _emscripten_glGetIntegerv,
"emscripten_glGetInternalformativ": _emscripten_glGetInternalformativ,
"emscripten_glGetProgramBinary": _emscripten_glGetProgramBinary,
"emscripten_glGetProgramInfoLog": _emscripten_glGetProgramInfoLog,
"emscripten_glGetProgramiv": _emscripten_glGetProgramiv,
"emscripten_glGetQueryObjecti64vEXT": _emscripten_glGetQueryObjecti64vEXT,
"emscripten_glGetQueryObjectivEXT": _emscripten_glGetQueryObjectivEXT,
"emscripten_glGetQueryObjectui64vEXT": _emscripten_glGetQueryObjectui64vEXT,
"emscripten_glGetQueryObjectuiv": _emscripten_glGetQueryObjectuiv,
"emscripten_glGetQueryObjectuivEXT": _emscripten_glGetQueryObjectuivEXT,
"emscripten_glGetQueryiv": _emscripten_glGetQueryiv,
"emscripten_glGetQueryivEXT": _emscripten_glGetQueryivEXT,
"emscripten_glGetRenderbufferParameteriv": _emscripten_glGetRenderbufferParameteriv,
"emscripten_glGetSamplerParameterfv": _emscripten_glGetSamplerParameterfv,
"emscripten_glGetSamplerParameteriv": _emscripten_glGetSamplerParameteriv,
"emscripten_glGetShaderInfoLog": _emscripten_glGetShaderInfoLog,
"emscripten_glGetShaderPrecisionFormat": _emscripten_glGetShaderPrecisionFormat,
"emscripten_glGetShaderSource": _emscripten_glGetShaderSource,
"emscripten_glGetShaderiv": _emscripten_glGetShaderiv,
"emscripten_glGetString": _emscripten_glGetString,
"emscripten_glGetStringi": _emscripten_glGetStringi,
"emscripten_glGetSynciv": _emscripten_glGetSynciv,
"emscripten_glGetTexParameterfv": _emscripten_glGetTexParameterfv,
"emscripten_glGetTexParameteriv": _emscripten_glGetTexParameteriv,
"emscripten_glGetTransformFeedbackVarying": _emscripten_glGetTransformFeedbackVarying,
"emscripten_glGetUniformBlockIndex": _emscripten_glGetUniformBlockIndex,
"emscripten_glGetUniformIndices": _emscripten_glGetUniformIndices,
"emscripten_glGetUniformLocation": _emscripten_glGetUniformLocation,
"emscripten_glGetUniformfv": _emscripten_glGetUniformfv,
"emscripten_glGetUniformiv": _emscripten_glGetUniformiv,
"emscripten_glGetUniformuiv": _emscripten_glGetUniformuiv,
"emscripten_glGetVertexAttribIiv": _emscripten_glGetVertexAttribIiv,
"emscripten_glGetVertexAttribIuiv": _emscripten_glGetVertexAttribIuiv,
"emscripten_glGetVertexAttribPointerv": _emscripten_glGetVertexAttribPointerv,
"emscripten_glGetVertexAttribfv": _emscripten_glGetVertexAttribfv,
"emscripten_glGetVertexAttribiv": _emscripten_glGetVertexAttribiv,
"emscripten_glHint": _emscripten_glHint,
"emscripten_glInvalidateFramebuffer": _emscripten_glInvalidateFramebuffer,
"emscripten_glInvalidateSubFramebuffer": _emscripten_glInvalidateSubFramebuffer,
"emscripten_glIsBuffer": _emscripten_glIsBuffer,
"emscripten_glIsEnabled": _emscripten_glIsEnabled,
"emscripten_glIsFramebuffer": _emscripten_glIsFramebuffer,
"emscripten_glIsProgram": _emscripten_glIsProgram,
"emscripten_glIsQuery": _emscripten_glIsQuery,
"emscripten_glIsQueryEXT": _emscripten_glIsQueryEXT,
"emscripten_glIsRenderbuffer": _emscripten_glIsRenderbuffer,
"emscripten_glIsSampler": _emscripten_glIsSampler,
"emscripten_glIsShader": _emscripten_glIsShader,
"emscripten_glIsSync": _emscripten_glIsSync,
"emscripten_glIsTexture": _emscripten_glIsTexture,
"emscripten_glIsTransformFeedback": _emscripten_glIsTransformFeedback,
"emscripten_glIsVertexArray": _emscripten_glIsVertexArray,
"emscripten_glIsVertexArrayOES": _emscripten_glIsVertexArrayOES,
"emscripten_glLineWidth": _emscripten_glLineWidth,
"emscripten_glLinkProgram": _emscripten_glLinkProgram,
"emscripten_glPauseTransformFeedback": _emscripten_glPauseTransformFeedback,
"emscripten_glPixelStorei": _emscripten_glPixelStorei,
"emscripten_glPolygonOffset": _emscripten_glPolygonOffset,
"emscripten_glProgramBinary": _emscripten_glProgramBinary,
"emscripten_glProgramParameteri": _emscripten_glProgramParameteri,
"emscripten_glQueryCounterEXT": _emscripten_glQueryCounterEXT,
"emscripten_glReadBuffer": _emscripten_glReadBuffer,
"emscripten_glReadPixels": _emscripten_glReadPixels,
"emscripten_glReleaseShaderCompiler": _emscripten_glReleaseShaderCompiler,
"emscripten_glRenderbufferStorage": _emscripten_glRenderbufferStorage,
"emscripten_glRenderbufferStorageMultisample": _emscripten_glRenderbufferStorageMultisample,
"emscripten_glResumeTransformFeedback": _emscripten_glResumeTransformFeedback,
"emscripten_glSampleCoverage": _emscripten_glSampleCoverage,
"emscripten_glSamplerParameterf": _emscripten_glSamplerParameterf,
"emscripten_glSamplerParameterfv": _emscripten_glSamplerParameterfv,
"emscripten_glSamplerParameteri": _emscripten_glSamplerParameteri,
"emscripten_glSamplerParameteriv": _emscripten_glSamplerParameteriv,
"emscripten_glScissor": _emscripten_glScissor,
"emscripten_glShaderBinary": _emscripten_glShaderBinary,
"emscripten_glShaderSource": _emscripten_glShaderSource,
"emscripten_glStencilFunc": _emscripten_glStencilFunc,
"emscripten_glStencilFuncSeparate": _emscripten_glStencilFuncSeparate,
"emscripten_glStencilMask": _emscripten_glStencilMask,
"emscripten_glStencilMaskSeparate": _emscripten_glStencilMaskSeparate,
"emscripten_glStencilOp": _emscripten_glStencilOp,
"emscripten_glStencilOpSeparate": _emscripten_glStencilOpSeparate,
"emscripten_glTexImage2D": _emscripten_glTexImage2D,
"emscripten_glTexImage3D": _emscripten_glTexImage3D,
"emscripten_glTexParameterf": _emscripten_glTexParameterf,
"emscripten_glTexParameterfv": _emscripten_glTexParameterfv,
"emscripten_glTexParameteri": _emscripten_glTexParameteri,
"emscripten_glTexParameteriv": _emscripten_glTexParameteriv,
"emscripten_glTexStorage2D": _emscripten_glTexStorage2D,
"emscripten_glTexStorage3D": _emscripten_glTexStorage3D,
"emscripten_glTexSubImage2D": _emscripten_glTexSubImage2D,
"emscripten_glTexSubImage3D": _emscripten_glTexSubImage3D,
"emscripten_glTransformFeedbackVaryings": _emscripten_glTransformFeedbackVaryings,
"emscripten_glUniform1f": _emscripten_glUniform1f,
"emscripten_glUniform1fv": _emscripten_glUniform1fv,
"emscripten_glUniform1i": _emscripten_glUniform1i,
"emscripten_glUniform1iv": _emscripten_glUniform1iv,
"emscripten_glUniform1ui": _emscripten_glUniform1ui,
"emscripten_glUniform1uiv": _emscripten_glUniform1uiv,
"emscripten_glUniform2f": _emscripten_glUniform2f,
"emscripten_glUniform2fv": _emscripten_glUniform2fv,
"emscripten_glUniform2i": _emscripten_glUniform2i,
"emscripten_glUniform2iv": _emscripten_glUniform2iv,
"emscripten_glUniform2ui": _emscripten_glUniform2ui,
"emscripten_glUniform2uiv": _emscripten_glUniform2uiv,
"emscripten_glUniform3f": _emscripten_glUniform3f,
"emscripten_glUniform3fv": _emscripten_glUniform3fv,
"emscripten_glUniform3i": _emscripten_glUniform3i,
"emscripten_glUniform3iv": _emscripten_glUniform3iv,
"emscripten_glUniform3ui": _emscripten_glUniform3ui,
"emscripten_glUniform3uiv": _emscripten_glUniform3uiv,
"emscripten_glUniform4f": _emscripten_glUniform4f,
"emscripten_glUniform4fv": _emscripten_glUniform4fv,
"emscripten_glUniform4i": _emscripten_glUniform4i,
"emscripten_glUniform4iv": _emscripten_glUniform4iv,
"emscripten_glUniform4ui": _emscripten_glUniform4ui,
"emscripten_glUniform4uiv": _emscripten_glUniform4uiv,
"emscripten_glUniformBlockBinding": _emscripten_glUniformBlockBinding,
"emscripten_glUniformMatrix2fv": _emscripten_glUniformMatrix2fv,
"emscripten_glUniformMatrix2x3fv": _emscripten_glUniformMatrix2x3fv,
"emscripten_glUniformMatrix2x4fv": _emscripten_glUniformMatrix2x4fv,
"emscripten_glUniformMatrix3fv": _emscripten_glUniformMatrix3fv,
"emscripten_glUniformMatrix3x2fv": _emscripten_glUniformMatrix3x2fv,
"emscripten_glUniformMatrix3x4fv": _emscripten_glUniformMatrix3x4fv,
"emscripten_glUniformMatrix4fv": _emscripten_glUniformMatrix4fv,
"emscripten_glUniformMatrix4x2fv": _emscripten_glUniformMatrix4x2fv,
"emscripten_glUniformMatrix4x3fv": _emscripten_glUniformMatrix4x3fv,
"emscripten_glUseProgram": _emscripten_glUseProgram,
"emscripten_glValidateProgram": _emscripten_glValidateProgram,
"emscripten_glVertexAttrib1f": _emscripten_glVertexAttrib1f,
"emscripten_glVertexAttrib1fv": _emscripten_glVertexAttrib1fv,
"emscripten_glVertexAttrib2f": _emscripten_glVertexAttrib2f,
"emscripten_glVertexAttrib2fv": _emscripten_glVertexAttrib2fv,
"emscripten_glVertexAttrib3f": _emscripten_glVertexAttrib3f,
"emscripten_glVertexAttrib3fv": _emscripten_glVertexAttrib3fv,
"emscripten_glVertexAttrib4f": _emscripten_glVertexAttrib4f,
"emscripten_glVertexAttrib4fv": _emscripten_glVertexAttrib4fv,
"emscripten_glVertexAttribDivisor": _emscripten_glVertexAttribDivisor,
"emscripten_glVertexAttribDivisorANGLE": _emscripten_glVertexAttribDivisorANGLE,
"emscripten_glVertexAttribDivisorARB": _emscripten_glVertexAttribDivisorARB,
"emscripten_glVertexAttribDivisorEXT": _emscripten_glVertexAttribDivisorEXT,
"emscripten_glVertexAttribDivisorNV": _emscripten_glVertexAttribDivisorNV,
"emscripten_glVertexAttribI4i": _emscripten_glVertexAttribI4i,
"emscripten_glVertexAttribI4iv": _emscripten_glVertexAttribI4iv,
"emscripten_glVertexAttribI4ui": _emscripten_glVertexAttribI4ui,
"emscripten_glVertexAttribI4uiv": _emscripten_glVertexAttribI4uiv,
"emscripten_glVertexAttribIPointer": _emscripten_glVertexAttribIPointer,
"emscripten_glVertexAttribPointer": _emscripten_glVertexAttribPointer,
"emscripten_glViewport": _emscripten_glViewport,
"emscripten_glWaitSync": _emscripten_glWaitSync,
"emscripten_has_asyncify": _emscripten_has_asyncify,
"emscripten_memcpy_big": _emscripten_memcpy_big,
"emscripten_request_fullscreen_strategy": _emscripten_request_fullscreen_strategy,
"emscripten_request_pointerlock": _emscripten_request_pointerlock,
"emscripten_resize_heap": _emscripten_resize_heap,
"emscripten_sample_gamepad_data": _emscripten_sample_gamepad_data,
"emscripten_set_beforeunload_callback_on_thread": _emscripten_set_beforeunload_callback_on_thread,
"emscripten_set_blur_callback_on_thread": _emscripten_set_blur_callback_on_thread,
"emscripten_set_canvas_element_size": _emscripten_set_canvas_element_size,
"emscripten_set_element_css_size": _emscripten_set_element_css_size,
"emscripten_set_focus_callback_on_thread": _emscripten_set_focus_callback_on_thread,
"emscripten_set_fullscreenchange_callback_on_thread": _emscripten_set_fullscreenchange_callback_on_thread,
"emscripten_set_gamepadconnected_callback_on_thread": _emscripten_set_gamepadconnected_callback_on_thread,
"emscripten_set_gamepaddisconnected_callback_on_thread": _emscripten_set_gamepaddisconnected_callback_on_thread,
"emscripten_set_keydown_callback_on_thread": _emscripten_set_keydown_callback_on_thread,
"emscripten_set_keypress_callback_on_thread": _emscripten_set_keypress_callback_on_thread,
"emscripten_set_keyup_callback_on_thread": _emscripten_set_keyup_callback_on_thread,
"emscripten_set_main_loop": _emscripten_set_main_loop,
"emscripten_set_mousedown_callback_on_thread": _emscripten_set_mousedown_callback_on_thread,
"emscripten_set_mouseenter_callback_on_thread": _emscripten_set_mouseenter_callback_on_thread,
"emscripten_set_mouseleave_callback_on_thread": _emscripten_set_mouseleave_callback_on_thread,
"emscripten_set_mousemove_callback_on_thread": _emscripten_set_mousemove_callback_on_thread,
"emscripten_set_mouseup_callback_on_thread": _emscripten_set_mouseup_callback_on_thread,
"emscripten_set_pointerlockchange_callback_on_thread": _emscripten_set_pointerlockchange_callback_on_thread,
"emscripten_set_resize_callback_on_thread": _emscripten_set_resize_callback_on_thread,
"emscripten_set_touchcancel_callback_on_thread": _emscripten_set_touchcancel_callback_on_thread,
"emscripten_set_touchend_callback_on_thread": _emscripten_set_touchend_callback_on_thread,
"emscripten_set_touchmove_callback_on_thread": _emscripten_set_touchmove_callback_on_thread,
"emscripten_set_touchstart_callback_on_thread": _emscripten_set_touchstart_callback_on_thread,
"emscripten_set_visibilitychange_callback_on_thread": _emscripten_set_visibilitychange_callback_on_thread,
"emscripten_set_wheel_callback_on_thread": _emscripten_set_wheel_callback_on_thread,
"emscripten_set_window_title": _emscripten_set_window_title,
"emscripten_sleep": _emscripten_sleep,
"environ_get": _environ_get,
"environ_sizes_get": _environ_sizes_get,
"exit": _exit,
"fd_close": _fd_close,
"fd_read": _fd_read,
"fd_seek": _fd_seek,
"fd_write": _fd_write,
"glAttachShader": _glAttachShader,
"glBindBuffer": _glBindBuffer,
"glBindTexture": _glBindTexture,
"glBindVertexArrayOES": _glBindVertexArrayOES,
"glBlendFunc": _glBlendFunc,
"glBufferData": _glBufferData,
"glClear": _glClear,
"glClearColor": _glClearColor,
"glCompileShader": _glCompileShader,
"glCreateProgram": _glCreateProgram,
"glCreateShader": _glCreateShader,
"glDeleteProgram": _glDeleteProgram,
"glDeleteShader": _glDeleteShader,
"glDeleteTextures": _glDeleteTextures,
"glDrawArrays": _glDrawArrays,
"glEnable": _glEnable,
"glEnableVertexAttribArray": _glEnableVertexAttribArray,
"glGenBuffers": _glGenBuffers,
"glGenTextures": _glGenTextures,
"glGenVertexArraysOES": _glGenVertexArraysOES,
"glGetShaderInfoLog": _glGetShaderInfoLog,
"glLinkProgram": _glLinkProgram,
"glReadPixels": _glReadPixels,
"glShaderSource": _glShaderSource,
"glTexImage2D": _glTexImage2D,
"glTexParameteri": _glTexParameteri,
"glUseProgram": _glUseProgram,
"glVertexAttribPointer": _glVertexAttribPointer,
"glViewport": _glViewport,
"invoke_ii": invoke_ii,
"invoke_iii": invoke_iii,
"invoke_iiii": invoke_iiii,
"invoke_iiiii": invoke_iiiii,
"invoke_vi": invoke_vi,
"invoke_vii": invoke_vii,
"invoke_viii": invoke_viii,
"invoke_viiii": invoke_viiii,
"strftime_l": _strftime_l
};
var asm = createWasm();
/** @type {function(...*):?} */
var ___wasm_call_ctors = createExportWrapper("__wasm_call_ctors");
/** @type {function(...*):?} */
var _olc_OnPageUnload = Module["_olc_OnPageUnload"] = createExportWrapper("olc_OnPageUnload");
/** @type {function(...*):?} */
var _olc_PGE_UpdateWindowSize = Module["_olc_PGE_UpdateWindowSize"] = createExportWrapper("olc_PGE_UpdateWindowSize");
/** @type {function(...*):?} */
var _malloc = createExportWrapper("malloc");
/** @type {function(...*):?} */
var _free = createExportWrapper("free");
/** @type {function(...*):?} */
var _main = Module["_main"] = createExportWrapper("main");
/** @type {function(...*):?} */
var ___errno_location = createExportWrapper("__errno_location");
/** @type {function(...*):?} */
var _fflush = Module["_fflush"] = createExportWrapper("fflush");
/** @type {function(...*):?} */
var _setThrew = createExportWrapper("setThrew");
/** @type {function(...*):?} */
var _emscripten_stack_init = function() {
return (_emscripten_stack_init = Module["asm"]["emscripten_stack_init"]).apply(null, arguments);
};
/** @type {function(...*):?} */
var _emscripten_stack_get_free = function() {
return (_emscripten_stack_get_free = Module["asm"]["emscripten_stack_get_free"]).apply(null, arguments);
};
/** @type {function(...*):?} */
var _emscripten_stack_get_base = function() {
return (_emscripten_stack_get_base = Module["asm"]["emscripten_stack_get_base"]).apply(null, arguments);
};
/** @type {function(...*):?} */
var _emscripten_stack_get_end = function() {
return (_emscripten_stack_get_end = Module["asm"]["emscripten_stack_get_end"]).apply(null, arguments);
};
/** @type {function(...*):?} */
var stackSave = createExportWrapper("stackSave");
/** @type {function(...*):?} */
var stackRestore = createExportWrapper("stackRestore");
/** @type {function(...*):?} */
var stackAlloc = createExportWrapper("stackAlloc");
/** @type {function(...*):?} */
var _emscripten_stack_get_current = function() {
return (_emscripten_stack_get_current = Module["asm"]["emscripten_stack_get_current"]).apply(null, arguments);
};
/** @type {function(...*):?} */
var ___cxa_is_pointer_type = createExportWrapper("__cxa_is_pointer_type");
/** @type {function(...*):?} */
var dynCall_viijii = Module["dynCall_viijii"] = createExportWrapper("dynCall_viijii");
/** @type {function(...*):?} */
var dynCall_iiji = Module["dynCall_iiji"] = createExportWrapper("dynCall_iiji");
/** @type {function(...*):?} */
var dynCall_jiji = Module["dynCall_jiji"] = createExportWrapper("dynCall_jiji");
/** @type {function(...*):?} */
var dynCall_ji = Module["dynCall_ji"] = createExportWrapper("dynCall_ji");
/** @type {function(...*):?} */
var dynCall_iiiiij = Module["dynCall_iiiiij"] = createExportWrapper("dynCall_iiiiij");
/** @type {function(...*):?} */
var dynCall_iiiiijj = Module["dynCall_iiiiijj"] = createExportWrapper("dynCall_iiiiijj");
/** @type {function(...*):?} */
var dynCall_iiiiiijj = Module["dynCall_iiiiiijj"] = createExportWrapper("dynCall_iiiiiijj");
function invoke_vi(index,a1) {
var sp = stackSave();
try {
getWasmTableEntry(index)(a1);
} catch(e) {
stackRestore(sp);
if (e !== e+0) throw e;
_setThrew(1, 0);
}
}
function invoke_iiiii(index,a1,a2,a3,a4) {
var sp = stackSave();
try {
return getWasmTableEntry(index)(a1,a2,a3,a4);
} catch(e) {
stackRestore(sp);
if (e !== e+0) throw e;
_setThrew(1, 0);
}
}
function invoke_ii(index,a1) {
var sp = stackSave();
try {
return getWasmTableEntry(index)(a1);
} catch(e) {
stackRestore(sp);
if (e !== e+0) throw e;
_setThrew(1, 0);
}
}
function invoke_iiii(index,a1,a2,a3) {
var sp = stackSave();
try {
return getWasmTableEntry(index)(a1,a2,a3);
} catch(e) {
stackRestore(sp);
if (e !== e+0) throw e;
_setThrew(1, 0);
}
}
function invoke_viii(index,a1,a2,a3) {
var sp = stackSave();
try {
getWasmTableEntry(index)(a1,a2,a3);
} catch(e) {
stackRestore(sp);
if (e !== e+0) throw e;
_setThrew(1, 0);
}
}
function invoke_iii(index,a1,a2) {
var sp = stackSave();
try {
return getWasmTableEntry(index)(a1,a2);
} catch(e) {
stackRestore(sp);
if (e !== e+0) throw e;
_setThrew(1, 0);
}
}
function invoke_vii(index,a1,a2) {
var sp = stackSave();
try {
getWasmTableEntry(index)(a1,a2);
} catch(e) {
stackRestore(sp);
if (e !== e+0) throw e;
_setThrew(1, 0);
}
}
function invoke_viiii(index,a1,a2,a3,a4) {
var sp = stackSave();
try {
getWasmTableEntry(index)(a1,a2,a3,a4);
} catch(e) {
stackRestore(sp);
if (e !== e+0) throw e;
_setThrew(1, 0);
}
}
// include: postamble.js
// === Auto-generated postamble setup entry stuff ===
Module["addRunDependency"] = addRunDependency;
Module["removeRunDependency"] = removeRunDependency;
Module["FS_createPath"] = FS.createPath;
Module["FS_createDataFile"] = FS.createDataFile;
Module["FS_createLazyFile"] = FS.createLazyFile;
Module["FS_createDevice"] = FS.createDevice;
Module["FS_unlink"] = FS.unlink;
Module["FS_createPreloadedFile"] = FS.createPreloadedFile;
var missingLibrarySymbols = [
'ydayFromDate',
'inetPton4',
'inetNtop4',
'inetPton6',
'inetNtop6',
'readSockaddr',
'writeSockaddr',
'getHostByName',
'traverseStack',
'getCallstack',
'emscriptenLog',
'convertPCtoSourceLocation',
'jstoi_s',
'getDynCaller',
'runtimeKeepalivePush',
'runtimeKeepalivePop',
'asmjsMangle',
'HandleAllocator',
'getNativeTypeSize',
'STACK_SIZE',
'STACK_ALIGN',
'POINTER_SIZE',
'ASSERTIONS',
'writeI53ToI64Clamped',
'writeI53ToI64Signaling',
'writeI53ToU64Clamped',
'writeI53ToU64Signaling',
'convertU32PairToI53',
'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',
'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',
'getSocketFromFD',
'getSocketAddress',
'_setNetworkCallback',
'writeGLArray',
'registerWebGlEventCallback',
'runAndAbortIfError',
'GLFW_Window',
'ALLOC_NORMAL',
'ALLOC_STACK',
'allocate',
'writeStringToMemory',
'writeAsciiToMemory',
];
missingLibrarySymbols.forEach(missingLibrarySymbol)
var unexportedSymbols = [
'run',
'addOnPreRun',
'addOnInit',
'addOnPreMain',
'addOnExit',
'addOnPostRun',
'FS_createFolder',
'FS_createLink',
'out',
'err',
'callMain',
'abort',
'keepRuntimeAlive',
'wasmMemory',
'stackAlloc',
'stackSave',
'stackRestore',
'getTempRet0',
'setTempRet0',
'writeStackCookie',
'checkStackCookie',
'ptrToString',
'zeroMemory',
'exitJS',
'getHeapMax',
'emscripten_realloc_buffer',
'ENV',
'MONTH_DAYS_REGULAR',
'MONTH_DAYS_LEAP',
'MONTH_DAYS_REGULAR_CUMULATIVE',
'MONTH_DAYS_LEAP_CUMULATIVE',
'isLeapYear',
'arraySum',
'addDays',
'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',
'callUserCallback',
'maybeExit',
'safeSetTimeout',
'asyncLoad',
'alignMemory',
'mmapAlloc',
'writeI53ToI64',
'readI53FromI64',
'readI53FromU64',
'convertI32PairToI53',
'convertI32PairToI53Checked',
'freeTableIndexes',
'functionsInTableMap',
'setValue',
'getValue',
'PATH',
'PATH_FS',
'UTF8Decoder',
'UTF8ArrayToString',
'UTF8ToString',
'stringToUTF8Array',
'stringToUTF8',
'lengthBytesUTF8',
'intArrayFromString',
'stringToAscii',
'UTF16Decoder',
'stringToNewUTF8',
'stringToUTF8OnStack',
'writeArrayToMemory',
'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',
'dlopenMissingError',
'promiseMap',
'uncaughtExceptionCount',
'exceptionLast',
'exceptionCaught',
'ExceptionInfo',
'Browser',
'setMainLoop',
'wget',
'SYSCALLS',
'preloadPlugins',
'FS_modeStringToFlags',
'FS_getMode',
'FS',
'MEMFS',
'TTY',
'PIPEFS',
'SOCKFS',
'tempFixedLengthArray',
'miniTempWebGLFloatBuffers',
'miniTempWebGLIntBuffers',
'heapObjectForWebGLType',
'heapAccessShiftForWebGLHeap',
'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',
'GLFW',
'emscriptenWebGLGetIndexed',
'webgl_enable_WEBGL_draw_instanced_base_vertex_base_instance',
'webgl_enable_WEBGL_multi_draw_instanced_base_vertex_base_instance',
'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() {
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;
var argc = 0;
var argv = 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() {
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();
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 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