v4games
/
v4k-git-backup
3
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
v4k-git-backup/demos/html5/index_ui.html

12645 lines
8.9 MiB
HTML
Raw Normal View History

v4k initial commit
2023-08-10 14:30:56 +00:00
<!DOCTYPE html>
<!-- This file license is CC0 (https://creativecommons.org/publicdomain/zero/1.0/). -->
<!-- Original code by @SpartanJ https://github.com/SpartanJ/eepp/blob/8552941da19380d7a629c4da80a976aec5d39e5c/bin/emscripten-fs.html -->
<html lang="en-us">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no"/>
<!-- <title>Example</title> -->
<style>
body { margin: 0; background-color: black }
.emscripten {
position: absolute;
top: 0px;
left: 0px;
margin: 0px;
border: 0;
width: 100%;
height: 100%;
overflow: hidden;
display: block;
image-rendering: optimizeSpeed;
image-rendering: -moz-crisp-edges;
image-rendering: -o-crisp-edges;
image-rendering: -webkit-optimize-contrast;
image-rendering: optimize-contrast;
image-rendering: crisp-edges;
image-rendering: pixelated;
-ms-interpolation-mode: nearest-neighbor;
}
.loader {
width: 48px;
height: 48px;
border-radius: 50%;
display: inline-block;
border-top: 3px solid #3daee9;
border-right: 3px solid transparent;
box-sizing: border-box;
animation: rotation 1s linear infinite;
}
.loader-cont {
display: flex;
width: 100vw;
justify-content: center;
height: 100vh;
align-items: center;
}
@keyframes rotation {
0% {
transform: rotate(0deg);
}
100% {
transform: rotate(360deg);
}
}
</style>
</head>
<body>
<canvas class="emscripten" id="canvas" oncontextmenu="event.preventDefault()"></canvas>
<div id="cont" class="loader-cont">
<span class="loader"></span>
</div>
<script type='text/javascript'>
var loaderCont;
function getDemoScript(name) {
if (name)
return name;
return "index.js";
}
function getParameter(name) {
let url_string = window.location.href;
let url = new URL(url_string);
return url.searchParams.get(name);
}
function loadScript(url, callback) {
loaderCont = document.getElementById('cont');
let head = document.head;
let script = document.createElement('script');
script.type = 'text/javascript';
script.src = url;
script.onreadystatechange = callback;
script.onload = callback;
head.appendChild(script);
}
var Module = {
preRun: [],
postRun: [],
print: (function() {
return function(text) {
text = Array.prototype.slice.call(arguments).join(' ');
console.log(text);
};
})(),
printErr: function(text) {
text = Array.prototype.slice.call(arguments).join(' ');
console.error(text);
},
canvas: (function() {
var canvas = document.getElementById('canvas');
return canvas;
})(),
setStatus: function(text) {
console.log("status: " + text);
if (text == "Running...")
loaderCont.style.display = 'none';
},
monitorRunDependencies: function(left) {
// no run dependencies to log
},
arguments: window.location.search.substr(1).split('&')
};
window.onerror = function() {
console.log("onerror: " + event);
};
(function() {
loadScript(getDemoScript(getParameter("run")));
})();
</script>
<script>
// 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() {
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 = 'index.data';
var REMOTE_PACKAGE_BASE = 'index.data';
if (typeof Module['locateFilePackage'] === 'function' && !Module['locateFile']) {
Module['locateFile'] = Module['locateFilePackage'];
err('warning: you defined Module.locateFilePackage, that has been renamed to Module.locateFile (using your locateFilePackage for now)');
}
var REMOTE_PACKAGE_NAME = Module['locateFile'] ? Module['locateFile'](REMOTE_PACKAGE_BASE, '') : REMOTE_PACKAGE_BASE;
var REMOTE_PACKAGE_SIZE = metadata['remote_package_size'];
var PACKAGE_UUID = metadata['package_uuid'];
function fetchRemotePackage(packageName, packageSize, callback, errback) {
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;
}
/** @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;
Module['FS_createDataFile'](this.name, null, byteArray, true, true, true); // canOwn this data in the filesystem, it is a slide into the heap that will never change
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 instanceof ArrayBuffer, 'bad input to processPackageData');
var byteArray = new Uint8Array(arrayBuffer);
var curr;
// Reuse the bytearray from the XHR as the source for file reads.
DataRequest.prototype.byteArray = byteArray;
var files = metadata['files'];
for (var i = 0; i < files.length; ++i) {
DataRequest.prototype.requests[files[i].filename].onload();
}
Module['removeRunDependency']('datafile_index.data');
};
Module['addRunDependency']('datafile_index.data');
if (!Module.preloadResults) Module.preloadResults = {};
Module.preloadResults[PACKAGE_NAME] = {fromCache: false};
if (fetched) {
processPackageData(fetched);
fetched = null;
} else {
fetchedCallback = processPackageData;
}
}
if (Module['calledRun']) {
runWithFS();
} else {
if (!Module['preRun']) Module['preRun'] = [];
Module["preRun"].push(runWithFS); // FS is not initialized yet, wait for it
}
}
loadPackage({"files": [{"filename": "/.art[00].zip", "start": 0, "end": 325623698}], "remote_package_size": 325623698, "package_uuid": "1a741af3-9e95-4e82-990f-89b488b33dd2"});
})();
// All the pre-js content up to here must remain later on, we need to run
// it.
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 = {};
var key;
for (key in Module) {
if (Module.hasOwnProperty(key)) {
moduleOverrides[key] = Module[key];
}
}
var arguments_ = [];
var thisProgram = './this.program';
var quit_ = function(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, -s ENVIRONMENT=web or -s ENVIRONMENT=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;
// Normally we don't log exceptions but instead let them bubble out the top
// level where the embedding environment (e.g. the browser) can handle
// them.
// However under v8 and node we sometimes exit the process direcly in which case
// its up to use us to log the exception before exiting.
// If we fix https://github.com/emscripten-core/emscripten/issues/15080
// this may no longer be needed under node.
function logExceptionOnExit(e) {
if (e instanceof ExitStatus) return;
var toLog = e;
if (e && typeof e === 'object' && e.stack) {
toLog = [e, e.stack];
}
err('exiting due to exception: ' + toLog);
}
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_ = function shell_read(f) {
var data = tryParseAsDataURI(f);
if (data) {
return intArrayToString(data);
}
return read(f);
};
}
readBinary = function readBinary(f) {
var data;
data = tryParseAsDataURI(f);
if (data) {
return data;
}
if (typeof readbuffer === 'function') {
return new Uint8Array(readbuffer(f));
}
data = read(f, 'binary');
assert(typeof data === 'object');
return data;
};
readAsync = function readAsync(f, onload, onerror) {
setTimeout(function() { onload(readBinary(f)); }, 0);
};
if (typeof scriptArgs != 'undefined') {
arguments_ = scriptArgs;
} else if (typeof arguments != 'undefined') {
arguments_ = arguments;
}
if (typeof quit === 'function') {
quit_ = function(status, toThrow) {
logExceptionOnExit(toThrow);
quit(status);
};
}
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_ = function(url) {
try {
var xhr = new XMLHttpRequest();
xhr.open('GET', url, false);
xhr.send(null);
return xhr.responseText;
} catch (err) {
var data = tryParseAsDataURI(url);
if (data) {
return intArrayToString(data);
}
throw err;
}
};
if (ENVIRONMENT_IS_WORKER) {
readBinary = function(url) {
try {
var xhr = new XMLHttpRequest();
xhr.open('GET', url, false);
xhr.responseType = 'arraybuffer';
xhr.send(null);
return new Uint8Array(/** @type{!ArrayBuffer} */(xhr.response));
} catch (err) {
var data = tryParseAsDataURI(url);
if (data) {
return data;
}
throw err;
}
};
}
readAsync = function(url, onload, onerror) {
var xhr = new XMLHttpRequest();
xhr.open('GET', url, true);
xhr.responseType = 'arraybuffer';
xhr.onload = function() {
if (xhr.status == 200 || (xhr.status == 0 && xhr.response)) { // file URLs can return 0
onload(xhr.response);
return;
}
var data = tryParseAsDataURI(url);
if (data) {
onload(data.buffer);
return;
}
onerror();
};
xhr.onerror = onerror;
xhr.send(null);
};
// end include: web_or_worker_shell_read.js
}
setWindowTitle = function(title) { document.title = title };
} else
{
throw new Error('environment detection error');
}
var out = Module['print'] || console.log.bind(console);
var err = Module['printErr'] || console.warn.bind(console);
// Merge back in the overrides
for (key in moduleOverrides) {
if (moduleOverrides.hasOwnProperty(key)) {
Module[key] = moduleOverrides[key];
}
}
// 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;
// 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'];
if (!Object.getOwnPropertyDescriptor(Module, 'arguments')) {
Object.defineProperty(Module, 'arguments', {
configurable: true,
get: function() {
abort('Module.arguments has been replaced with plain arguments_ (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)')
}
});
}
if (Module['thisProgram']) thisProgram = Module['thisProgram'];
if (!Object.getOwnPropertyDescriptor(Module, 'thisProgram')) {
Object.defineProperty(Module, 'thisProgram', {
configurable: true,
get: function() {
abort('Module.thisProgram has been replaced with plain thisProgram (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)')
}
});
}
if (Module['quit']) quit_ = Module['quit'];
if (!Object.getOwnPropertyDescriptor(Module, 'quit')) {
Object.defineProperty(Module, 'quit', {
configurable: true,
get: function() {
abort('Module.quit has been replaced with plain quit_ (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)')
}
});
}
// 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');
if (!Object.getOwnPropertyDescriptor(Module, 'read')) {
Object.defineProperty(Module, 'read', {
configurable: true,
get: function() {
abort('Module.read has been replaced with plain read_ (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)')
}
});
}
if (!Object.getOwnPropertyDescriptor(Module, 'readAsync')) {
Object.defineProperty(Module, 'readAsync', {
configurable: true,
get: function() {
abort('Module.readAsync has been replaced with plain readAsync (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)')
}
});
}
if (!Object.getOwnPropertyDescriptor(Module, 'readBinary')) {
Object.defineProperty(Module, 'readBinary', {
configurable: true,
get: function() {
abort('Module.readBinary has been replaced with plain readBinary (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)')
}
});
}
if (!Object.getOwnPropertyDescriptor(Module, 'setWindowTitle')) {
Object.defineProperty(Module, 'setWindowTitle', {
configurable: true,
get: function() {
abort('Module.setWindowTitle has been replaced with plain setWindowTitle (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)')
}
});
}
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_NODE, "node environment detected but not enabled at build time. Add 'node' to `-s ENVIRONMENT` to enable.");
assert(!ENVIRONMENT_IS_SHELL, "shell environment detected but not enabled at build time. Add 'shell' to `-s ENVIRONMENT` to enable.");
var STACK_ALIGN = 16;
var POINTER_SIZE = 4;
function getNativeTypeSize(type) {
switch (type) {
case 'i1': case 'i8': return 1;
case 'i16': return 2;
case 'i32': return 4;
case 'i64': return 8;
case 'float': return 4;
case 'double': return 8;
default: {
if (type[type.length-1] === '*') {
return POINTER_SIZE;
} else if (type[0] === 'i') {
var bits = Number(type.substr(1));
assert(bits % 8 === 0, 'getNativeTypeSize invalid bits ' + bits + ', type ' + type);
return bits / 8;
} else {
return 0;
}
}
}
}
function warnOnce(text) {
if (!warnOnce.shown) warnOnce.shown = {};
if (!warnOnce.shown[text]) {
warnOnce.shown[text] = 1;
err(text);
}
}
// include: runtime_functions.js
// Wraps a JS function as a wasm function with a given signature.
function convertJsFunctionToWasm(func, sig) {
// If the type reflection proposal is available, use the new
// "WebAssembly.Function" constructor.
// Otherwise, construct a minimal wasm module importing the JS function and
// re-exporting it.
if (typeof WebAssembly.Function === "function") {
var typeNames = {
'i': 'i32',
'j': 'i64',
'f': 'f32',
'd': 'f64'
};
var type = {
parameters: [],
results: sig[0] == 'v' ? [] : [typeNames[sig[0]]]
};
for (var i = 1; i < sig.length; ++i) {
type.parameters.push(typeNames[sig[i]]);
}
return new WebAssembly.Function(type, func);
}
// The module is static, with the exception of the type section, which is
// generated based on the signature passed in.
var typeSection = [
0x01, // id: section,
0x00, // length: 0 (placeholder)
0x01, // count: 1
0x60, // form: func
];
var sigRet = sig.slice(0, 1);
var sigParam = sig.slice(1);
var typeCodes = {
'i': 0x7f, // i32
'j': 0x7e, // i64
'f': 0x7d, // f32
'd': 0x7c, // f64
};
// Parameters, length + signatures
typeSection.push(sigParam.length);
for (var i = 0; i < sigParam.length; ++i) {
typeSection.push(typeCodes[sigParam[i]]);
}
// Return values, length + signatures
// With no multi-return in MVP, either 0 (void) or 1 (anything else)
if (sigRet == 'v') {
typeSection.push(0x00);
} else {
typeSection = typeSection.concat([0x01, typeCodes[sigRet]]);
}
// Write the overall length of the type section back into the section header
// (excepting the 2 bytes for the section id and length)
typeSection[1] = typeSection.length - 2;
// Rest of the module is static
var bytes = new Uint8Array([
0x00, 0x61, 0x73, 0x6d, // magic ("\0asm")
0x01, 0x00, 0x00, 0x00, // version: 1
].concat(typeSection, [
0x02, 0x07, // import section
// (import "e" "f" (func 0 (type 0)))
0x01, 0x01, 0x65, 0x01, 0x66, 0x00, 0x00,
0x07, 0x05, // export section
// (export "f" (func 0 (type 0)))
0x01, 0x01, 0x66, 0x00, 0x00,
]));
// We can compile this wasm module synchronously because it is very small.
// This accepts an import (at "e.f"), that it reroutes to an export (at "f")
var module = new WebAssembly.Module(bytes);
var instance = new WebAssembly.Instance(module, {
'e': {
'f': func
}
});
var wrappedFunc = instance.exports['f'];
return wrappedFunc;
}
var freeTableIndexes = [];
// Weak map of functions in the table to their indexes, created on first use.
var functionsInTableMap;
function getEmptyTableSlot() {
// Reuse a free index if there is one, otherwise grow.
if (freeTableIndexes.length) {
return freeTableIndexes.pop();
}
// Grow the table
try {
wasmTable.grow(1);
} catch (err) {
if (!(err instanceof RangeError)) {
throw err;
}
throw 'Unable to grow wasm table. Set ALLOW_TABLE_GROWTH.';
}
return wasmTable.length - 1;
}
function updateTableMap(offset, count) {
for (var i = offset; i < offset + count; i++) {
var item = getWasmTableEntry(i);
// Ignore null values.
if (item) {
functionsInTableMap.set(item, i);
}
}
}
// Add a function to the table.
// 'sig' parameter is required if the function being added is a JS function.
function addFunction(func, sig) {
assert(typeof func !== 'undefined');
// Check if the function is already in the table, to ensure each function
// gets a unique index. First, create the map if this is the first use.
if (!functionsInTableMap) {
functionsInTableMap = new WeakMap();
updateTableMap(0, wasmTable.length);
}
if (functionsInTableMap.has(func)) {
return functionsInTableMap.get(func);
}
// It's not in the table, add it now.
var ret = getEmptyTableSlot();
// Set the new value.
try {
// Attempting to call this with JS function will cause of table.set() to fail
setWasmTableEntry(ret, func);
} catch (err) {
if (!(err instanceof TypeError)) {
throw err;
}
assert(typeof sig !== 'undefined', 'Missing signature argument to addFunction: ' + func);
var wrapped = convertJsFunctionToWasm(func, sig);
setWasmTableEntry(ret, wrapped);
}
functionsInTableMap.set(func, ret);
return ret;
}
function removeFunction(index) {
functionsInTableMap.delete(getWasmTableEntry(index));
freeTableIndexes.push(index);
}
// end include: runtime_functions.js
// include: runtime_debug.js
// end include: runtime_debug.js
var tempRet0 = 0;
var setTempRet0 = function(value) {
tempRet0 = value;
};
var getTempRet0 = function() {
return tempRet0;
};
// === 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'];
if (!Object.getOwnPropertyDescriptor(Module, 'wasmBinary')) {
Object.defineProperty(Module, 'wasmBinary', {
configurable: true,
get: function() {
abort('Module.wasmBinary has been replaced with plain wasmBinary (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)')
}
});
}
var noExitRuntime = Module['noExitRuntime'] || true;
if (!Object.getOwnPropertyDescriptor(Module, 'noExitRuntime')) {
Object.defineProperty(Module, 'noExitRuntime', {
configurable: true,
get: function() {
abort('Module.noExitRuntime has been replaced with plain noExitRuntime (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)')
}
});
}
if (typeof WebAssembly !== 'object') {
abort('no native wasm support detected');
}
// include: runtime_safe_heap.js
// In MINIMAL_RUNTIME, setValue() and getValue() are only available when building with safe heap enabled, for heap safety checking.
// In traditional runtime, setValue() and getValue() are always available (although their use is highly discouraged due to perf penalties)
/** @param {number} ptr
@param {number} value
@param {string} type
@param {number|boolean=} noSafe */
function setValue(ptr, value, type, noSafe) {
type = type || 'i8';
if (type.charAt(type.length-1) === '*') type = 'i32';
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.min((+(Math.floor((tempDouble)/4294967296.0))), 4294967295.0))|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;
default: abort('invalid type for setValue: ' + type);
}
}
/** @param {number} ptr
@param {string} type
@param {number|boolean=} noSafe */
function getValue(ptr, type, noSafe) {
type = type || 'i8';
if (type.charAt(type.length-1) === '*') type = 'i32';
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 Number(HEAPF64[((ptr)>>3)]);
default: abort('invalid type for getValue: ' + type);
}
return null;
}
// end include: runtime_safe_heap.js
// Wasm globals
var wasmMemory;
//========================================
// Runtime essentials
//========================================
// whether we are quitting the application. no code should run after this.
// set in exit() and abort()
var ABORT = false;
// set by exit() and abort(). Passed to 'onExit' handler.
// NOTE: This is also used as the process return code code in shell environments
// but only when noExitRuntime is false.
var EXITSTATUS;
/** @type {function(*, string=)} */
function assert(condition, text) {
if (!condition) {
abort('Assertion failed: ' + text);
}
}
// Returns the C function with a specified identifier (for C++, you need to do manual name mangling)
function getCFunc(ident) {
var func = Module['_' + ident]; // closure exported function
assert(func, 'Cannot call unknown function ' + ident + ', make sure it is exported');
return func;
}
// C calling interface.
/** @param {string|null=} returnType
@param {Array=} argTypes
@param {Arguments|Array=} args
@param {Object=} opts */
function ccall(ident, returnType, argTypes, args, opts) {
// For fast lookup of conversion functions
var toC = {
'string': function(str) {
var ret = 0;
if (str !== null && str !== undefined && str !== 0) { // null string
// at most 4 bytes per UTF-8 code point, +1 for the trailing '\0'
var len = (str.length << 2) + 1;
ret = stackAlloc(len);
stringToUTF8(str, ret, len);
}
return ret;
},
'array': function(arr) {
var ret = stackAlloc(arr.length);
writeArrayToMemory(arr, ret);
return ret;
}
};
function convertReturnValue(ret) {
if (returnType === 'string') return UTF8ToString(ret);
if (returnType === 'boolean') return Boolean(ret);
return ret;
}
var func = getCFunc(ident);
var cArgs = [];
var stack = 0;
assert(returnType !== 'array', 'Return type should not be "array".');
if (args) {
for (var i = 0; i < args.length; i++) {
var converter = toC[argTypes[i]];
if (converter) {
if (stack === 0) stack = stackSave();
cArgs[i] = converter(args[i]);
} else {
cArgs[i] = args[i];
}
}
}
var ret = func.apply(null, cArgs);
function onDone(ret) {
if (stack !== 0) stackRestore(stack);
return convertReturnValue(ret);
}
ret = onDone(ret);
return ret;
}
/** @param {string=} returnType
@param {Array=} argTypes
@param {Object=} opts */
function cwrap(ident, returnType, argTypes, opts) {
return function() {
return ccall(ident, returnType, argTypes, arguments, opts);
}
}
// We used to include malloc/free by default in the past. Show a helpful error in
// builds with assertions.
var ALLOC_NORMAL = 0; // Tries to use _malloc()
var ALLOC_STACK = 1; // Lives for the duration of the current function call
// allocate(): This is for internal use. You can use it yourself as well, but the interface
// is a little tricky (see docs right below). The reason is that it is optimized
// for multiple syntaxes to save space in generated code. So you should
// normally not use allocate(), and instead allocate memory using _malloc(),
// initialize it with setValue(), and so forth.
// @slab: An array of data.
// @allocator: How to allocate memory, see ALLOC_*
/** @type {function((Uint8Array|Array<number>), number)} */
function allocate(slab, allocator) {
var ret;
assert(typeof allocator === 'number', 'allocate no longer takes a type argument')
assert(typeof slab !== 'number', 'allocate no longer takes a number as arg0')
if (allocator == ALLOC_STACK) {
ret = stackAlloc(slab.length);
} else {
ret = _malloc(slab.length);
}
if (slab.subarray || slab.slice) {
HEAPU8.set(/** @type {!Uint8Array} */(slab), ret);
} else {
HEAPU8.set(new Uint8Array(slab), ret);
}
return ret;
}
// include: runtime_strings.js
// runtime_strings.js: Strings related runtime functions that are part of both MINIMAL_RUNTIME and regular runtime.
// Given a pointer 'ptr' 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.
var UTF8Decoder = typeof TextDecoder !== 'undefined' ? new TextDecoder('utf8') : undefined;
/**
* @param {number} idx
* @param {number=} maxBytesToRead
* @return {string}
*/
function UTF8ArrayToString(heap, 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 (heap[endPtr] && !(endPtr >= endIdx)) ++endPtr;
if (endPtr - idx > 16 && heap.subarray && UTF8Decoder) {
return UTF8Decoder.decode(heap.subarray(idx, endPtr));
} else {
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 = heap[idx++];
if (!(u0 & 0x80)) { str += String.fromCharCode(u0); continue; }
var u1 = heap[idx++] & 63;
if ((u0 & 0xE0) == 0xC0) { str += String.fromCharCode(((u0 & 31) << 6) | u1); continue; }
var u2 = heap[idx++] & 63;
if ((u0 & 0xF0) == 0xE0) {
u0 = ((u0 & 15) << 12) | (u1 << 6) | u2;
} else {
if ((u0 & 0xF8) != 0xF0) warnOnce('Invalid UTF-8 leading byte 0x' + u0.toString(16) + ' encountered when deserializing a UTF-8 string in wasm memory to a JS string!');
u0 = ((u0 & 7) << 18) | (u1 << 12) | (u2 << 6) | (heap[idx++] & 63);
}
if (u0 < 0x10000) {
str += String.fromCharCode(u0);
} else {
var ch = u0 - 0x10000;
str += String.fromCharCode(0xD800 | (ch >> 10), 0xDC00 | (ch & 0x3FF));
}
}
}
return str;
}
// Given a pointer 'ptr' to a null-terminated UTF8-encoded string in the emscripten HEAP, returns a
// copy of that string as a Javascript String object.
// 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
// style or the other.
/**
* @param {number} ptr
* @param {number=} maxBytesToRead
* @return {string}
*/
function UTF8ToString(ptr, maxBytesToRead) {
;
return ptr ? UTF8ArrayToString(HEAPU8, ptr, maxBytesToRead) : '';
}
// Copies the given Javascript String object 'str' to the given byte array at address 'outIdx',
// encoded in UTF8 form and null-terminated. The copy will require at most str.length*4+1 bytes of space in the HEAP.
// Use the function lengthBytesUTF8 to compute the exact number of bytes (excluding null terminator) that this function will write.
// Parameters:
// str: the Javascript string to copy.
// heap: the array to copy to. Each index in this array is assumed to be one 8-byte element.
// outIdx: The starting offset in the array to begin the copying.
// maxBytesToWrite: The maximum number of bytes this function can write to the array.
// This count should include the null terminator,
// i.e. if maxBytesToWrite=1, only the null terminator will be written and nothing else.
// maxBytesToWrite=0 does not write any bytes to the output, not even the null terminator.
// Returns the number of bytes written, EXCLUDING the null terminator.
function stringToUTF8Array(str, heap, outIdx, maxBytesToWrite) {
if (!(maxBytesToWrite > 0)) // Parameter maxBytesToWrite is not optional. Negative values, 0, null, undefined and false each don't write out any bytes.
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 0x' + u.toString(16) + ' 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;
}
// Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr',
// null-terminated and encoded in UTF8 form. The copy will require at most str.length*4+1 bytes of space in the HEAP.
// Use the function lengthBytesUTF8 to compute the exact number of bytes (excluding null terminator) that this function will write.
// Returns the number of bytes written, EXCLUDING the null terminator.
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);
}
// Returns the number of bytes the given Javascript string takes if encoded as a UTF8 byte array, EXCLUDING the null terminator byte.
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 u = str.charCodeAt(i); // possibly a lead surrogate
if (u >= 0xD800 && u <= 0xDFFF) u = 0x10000 + ((u & 0x3FF) << 10) | (str.charCodeAt(++i) & 0x3FF);
if (u <= 0x7F) ++len;
else if (u <= 0x7FF) len += 2;
else if (u <= 0xFFFF) len += 3;
else len += 4;
}
return len;
}
// end include: runtime_strings.js
// include: runtime_strings_extra.js
// runtime_strings_extra.js: Strings related runtime functions that are available only in regular runtime.
// Given a pointer 'ptr' to a null-terminated ASCII-encoded string in the emscripten HEAP, returns
// a copy of that string as a Javascript String object.
function AsciiToString(ptr) {
var str = '';
while (1) {
var ch = HEAPU8[((ptr++)>>0)];
if (!ch) return str;
str += String.fromCharCode(ch);
}
}
// Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr',
// null-terminated and encoded in ASCII form. The copy will require at most str.length+1 bytes of space in the HEAP.
function stringToAscii(str, outPtr) {
return writeAsciiToMemory(str, outPtr, false);
}
// Given a pointer 'ptr' to a null-terminated UTF16LE-encoded string in the emscripten HEAP, returns
// a copy of that string as a Javascript String object.
var UTF16Decoder = typeof TextDecoder !== 'undefined' ? new TextDecoder('utf-16le') : undefined;
function UTF16ToString(ptr, maxBytesToRead) {
assert(ptr % 2 == 0, 'Pointer passed to UTF16ToString must be aligned to two bytes!');
var endPtr = ptr;
// 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.
var idx = endPtr >> 1;
var maxIdx = idx + maxBytesToRead / 2;
// If maxBytesToRead is not passed explicitly, it will be undefined, and this
// will always evaluate to true. This saves on code size.
while (!(idx >= maxIdx) && HEAPU16[idx]) ++idx;
endPtr = idx << 1;
if (endPtr - ptr > 32 && UTF16Decoder) {
return UTF16Decoder.decode(HEAPU8.subarray(ptr, endPtr));
} else {
var str = '';
// If maxBytesToRead is not passed explicitly, it will be undefined, and the for-loop's condition
// will always evaluate to true. The loop is then terminated on the first null char.
for (var i = 0; !(i >= maxBytesToRead / 2); ++i) {
var codeUnit = HEAP16[(((ptr)+(i*2))>>1)];
if (codeUnit == 0) break;
// fromCharCode constructs a character from a UTF-16 code unit, so we can pass the UTF16 string right through.
str += String.fromCharCode(codeUnit);
}
return str;
}
}
// Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr',
// null-terminated and encoded in UTF16 form. The copy will require at most str.length*4+2 bytes of space in the HEAP.
// Use the function lengthBytesUTF16() to compute the exact number of bytes (excluding null terminator) that this function will write.
// Parameters:
// str: the Javascript string to copy.
// outPtr: Byte address in Emscripten HEAP where to write the string to.
// maxBytesToWrite: The maximum number of bytes this function can write to the array. This count should include the null
// terminator, i.e. if maxBytesToWrite=2, only the null terminator will be written and nothing else.
// maxBytesToWrite<2 does not write any bytes to the output, not even the null terminator.
// Returns the number of bytes written, EXCLUDING the null terminator.
function stringToUTF16(str, outPtr, maxBytesToWrite) {
assert(outPtr % 2 == 0, 'Pointer passed to stringToUTF16 must be aligned to two bytes!');
assert(typeof maxBytesToWrite == 'number', 'stringToUTF16(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!');
// Backwards compatibility: if max bytes is not specified, assume unsafe unbounded write is allowed.
if (maxBytesToWrite === undefined) {
maxBytesToWrite = 0x7FFFFFFF;
}
if (maxBytesToWrite < 2) return 0;
maxBytesToWrite -= 2; // Null terminator.
var startPtr = outPtr;
var numCharsToWrite = (maxBytesToWrite < str.length*2) ? (maxBytesToWrite / 2) : str.length;
for (var i = 0; i < numCharsToWrite; ++i) {
// charCodeAt returns a UTF-16 encoded code unit, so it can be directly written to the HEAP.
var codeUnit = str.charCodeAt(i); // possibly a lead surrogate
HEAP16[((outPtr)>>1)] = codeUnit;
outPtr += 2;
}
// Null-terminate the pointer to the HEAP.
HEAP16[((outPtr)>>1)] = 0;
return outPtr - startPtr;
}
// Returns the number of bytes the given Javascript string takes if encoded as a UTF16 byte array, EXCLUDING the null terminator byte.
function lengthBytesUTF16(str) {
return str.length*2;
}
function UTF32ToString(ptr, maxBytesToRead) {
assert(ptr % 4 == 0, 'Pointer passed to UTF32ToString must be aligned to four bytes!');
var i = 0;
var str = '';
// If maxBytesToRead is not passed explicitly, it will be undefined, and this
// will always evaluate to true. This saves on code size.
while (!(i >= maxBytesToRead / 4)) {
var utf32 = HEAP32[(((ptr)+(i*4))>>2)];
if (utf32 == 0) break;
++i;
// Gotcha: fromCharCode constructs a character from a UTF-16 encoded code (pair), not from a Unicode code point! So encode the code point to UTF-16 for constructing.
// See http://unicode.org/faq/utf_bom.html#utf16-3
if (utf32 >= 0x10000) {
var ch = utf32 - 0x10000;
str += String.fromCharCode(0xD800 | (ch >> 10), 0xDC00 | (ch & 0x3FF));
} else {
str += String.fromCharCode(utf32);
}
}
return str;
}
// Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr',
// null-terminated and encoded in UTF32 form. The copy will require at most str.length*4+4 bytes of space in the HEAP.
// Use the function lengthBytesUTF32() to compute the exact number of bytes (excluding null terminator) that this function will write.
// Parameters:
// str: the Javascript string to copy.
// outPtr: Byte address in Emscripten HEAP where to write the string to.
// maxBytesToWrite: The maximum number of bytes this function can write to the array. This count should include the null
// terminator, i.e. if maxBytesToWrite=4, only the null terminator will be written and nothing else.
// maxBytesToWrite<4 does not write any bytes to the output, not even the null terminator.
// Returns the number of bytes written, EXCLUDING the null terminator.
function stringToUTF32(str, outPtr, maxBytesToWrite) {
assert(outPtr % 4 == 0, 'Pointer passed to stringToUTF32 must be aligned to four bytes!');
assert(typeof maxBytesToWrite == 'number', 'stringToUTF32(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!');
// Backwards compatibility: if max bytes is not specified, assume unsafe unbounded write is allowed.
if (maxBytesToWrite === undefined) {
maxBytesToWrite = 0x7FFFFFFF;
}
if (maxBytesToWrite < 4) return 0;
var startPtr = outPtr;
var endPtr = startPtr + maxBytesToWrite - 4;
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! We must decode the string to UTF-32 to the heap.
// See http://unicode.org/faq/utf_bom.html#utf16-3
var codeUnit = str.charCodeAt(i); // possibly a lead surrogate
if (codeUnit >= 0xD800 && codeUnit <= 0xDFFF) {
var trailSurrogate = str.charCodeAt(++i);
codeUnit = 0x10000 + ((codeUnit & 0x3FF) << 10) | (trailSurrogate & 0x3FF);
}
HEAP32[((outPtr)>>2)] = codeUnit;
outPtr += 4;
if (outPtr + 4 > endPtr) break;
}
// Null-terminate the pointer to the HEAP.
HEAP32[((outPtr)>>2)] = 0;
return outPtr - startPtr;
}
// Returns the number of bytes the given Javascript string takes if encoded as a UTF16 byte array, EXCLUDING the null terminator byte.
function lengthBytesUTF32(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! We must decode the string to UTF-32 to the heap.
// See http://unicode.org/faq/utf_bom.html#utf16-3
var codeUnit = str.charCodeAt(i);
if (codeUnit >= 0xD800 && codeUnit <= 0xDFFF) ++i; // possibly a lead surrogate, so skip over the tail surrogate.
len += 4;
}
return len;
}
// Allocate heap space for a JS string, and write it there.
// It is the responsibility of the caller to free() that memory.
function allocateUTF8(str) {
var size = lengthBytesUTF8(str) + 1;
var ret = _malloc(size);
if (ret) stringToUTF8Array(str, HEAP8, ret, size);
return ret;
}
// Allocate stack space for a JS string, and write it there.
function allocateUTF8OnStack(str) {
var size = lengthBytesUTF8(str) + 1;
var ret = stackAlloc(size);
stringToUTF8Array(str, HEAP8, ret, size);
return ret;
}
// Deprecated: This function should not be called because it is unsafe and does not provide
// a maximum length limit of how many bytes it is allowed to write. Prefer calling the
// function stringToUTF8Array() instead, which takes in a maximum length that can be used
// to be secure from out of bounds writes.
/** @deprecated
@param {boolean=} dontAddNull */
function writeStringToMemory(string, buffer, dontAddNull) {
warnOnce('writeStringToMemory is deprecated and should not be called! Use stringToUTF8() instead!');
var /** @type {number} */ lastChar, /** @type {number} */ end;
if (dontAddNull) {
// stringToUTF8Array always appends null. If we don't want to do that, remember the
// character that existed at the location where the null will be placed, and restore
// that after the write (below).
end = buffer + lengthBytesUTF8(string);
lastChar = HEAP8[end];
}
stringToUTF8(string, buffer, Infinity);
if (dontAddNull) HEAP8[end] = lastChar; // Restore the value under the null character.
}
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);
}
/** @param {boolean=} dontAddNull */
function writeAsciiToMemory(str, buffer, dontAddNull) {
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 pointer to the HEAP.
if (!dontAddNull) HEAP8[((buffer)>>0)] = 0;
}
// end include: runtime_strings_extra.js
// Memory management
function alignUp(x, multiple) {
if (x % multiple > 0) {
x += multiple - (x % multiple);
}
return x;
}
var HEAP,
/** @type {ArrayBuffer} */
buffer,
/** @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 updateGlobalBufferAndViews(buf) {
buffer = buf;
Module['HEAP8'] = HEAP8 = new Int8Array(buf);
Module['HEAP16'] = HEAP16 = new Int16Array(buf);
Module['HEAP32'] = HEAP32 = new Int32Array(buf);
Module['HEAPU8'] = HEAPU8 = new Uint8Array(buf);
Module['HEAPU16'] = HEAPU16 = new Uint16Array(buf);
Module['HEAPU32'] = HEAPU32 = new Uint32Array(buf);
Module['HEAPF32'] = HEAPF32 = new Float32Array(buf);
Module['HEAPF64'] = HEAPF64 = new Float64Array(buf);
}
var TOTAL_STACK = 5242880;
if (Module['TOTAL_STACK']) assert(TOTAL_STACK === Module['TOTAL_STACK'], 'the stack size can no longer be determined at runtime')
var INITIAL_MEMORY = Module['INITIAL_MEMORY'] || 268435456;
if (!Object.getOwnPropertyDescriptor(Module, 'INITIAL_MEMORY')) {
Object.defineProperty(Module, 'INITIAL_MEMORY', {
configurable: true,
get: function() {
abort('Module.INITIAL_MEMORY has been replaced with plain INITIAL_MEMORY (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)')
}
});
}
assert(INITIAL_MEMORY >= TOTAL_STACK, 'INITIAL_MEMORY should be larger than TOTAL_STACK, was ' + INITIAL_MEMORY + '! (TOTAL_STACK=' + TOTAL_STACK + ')');
// check for full engine support (use string 'subarray' to avoid closure compiler confusion)
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.
assert(!Module['wasmMemory'], 'Use of `wasmMemory` detected. Use -s IMPORTED_MEMORY to define wasmMemory externally');
assert(INITIAL_MEMORY == 268435456, 'Detected runtime INITIAL_MEMORY setting. Use -s IMPORTED_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);
// The stack grows downwards
HEAP32[((max + 4)>>2)] = 0x2135467;
HEAP32[((max + 8)>>2)] = 0x89BACDFE;
// Also test the global address 0 for integrity.
HEAP32[0] = 0x63736d65; /* 'emsc' */
}
function checkStackCookie() {
if (ABORT) return;
var max = _emscripten_stack_get_end();
var cookie1 = HEAPU32[((max + 4)>>2)];
var cookie2 = HEAPU32[((max + 8)>>2)];
if (cookie1 != 0x2135467 || cookie2 != 0x89BACDFE) {
abort('Stack overflow! Stack cookie has been overwritten, expected hex dwords 0x89BACDFE and 0x2135467, but received 0x' + cookie2.toString(16) + ' 0x' + cookie1.toString(16));
}
// Also test the global address 0 for integrity.
if (HEAP32[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 -s SUPPORT_BIG_ENDIAN=1 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 runtimeExited = 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() {
checkStackCookie();
assert(!runtimeInitialized);
runtimeInitialized = true;
if (!Module["noFSInit"] && !FS.init.initialized)
FS.init();
FS.ignorePermissions = false;
TTY.init();
callRuntimeCallbacks(__ATINIT__);
}
function preMain() {
checkStackCookie();
callRuntimeCallbacks(__ATMAIN__);
}
function exitRuntime() {
checkStackCookie();
runtimeExited = true;
}
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(function() {
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
}
}
}
Module["preloadedImages"] = {}; // maps url to image data
Module["preloadedAudios"] = {}; // maps url to audio data
/** @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.
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;
}
// {{MEM_INITIALIZER}}
// 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
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');
assert(!runtimeExited, 'native function `' + displayName + '` called after runtime exit (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
if (!asm[name]) {
assert(asm[name], 'exported native function `' + displayName + '` not found');
}
return asm[name].apply(null, arguments);
};
}
var wasmBinaryFile;
wasmBinaryFile = 'data:application/octet-stream;base64,AGFzbQEAAAAB34qAgACrAWABfwF/YAJ/fwF/YAJ/fwBgA39/fwF/YAF/AGADf39/AGAEf39/fwF/YAR/f39/AGAFf39/f38Bf2ABfwF+YAV/f39/fwBgAABgAAF/YAZ/f39/f38Bf2AGf39/f39/AGAHf39/f39/fwBgBH9/fn8AYAR/fX9/AX1gB39/f39/f38Bf2ABfAF8YAl/f39/f39/f38AYAh/f39/f39/fwBgAX0AYAJ/fwF+YAN/f30AYAJ/fQBgBX99fX19AGAGf39/f35/AGADf35/AX5gBX9+fn5+AGAEf319fQBgA39+fwF/YAN/f34AYAR/f39+AX9gCH9/f39/f39/AX9gAX8BfGABfwF9YAABfGADf319AGACf38BfWABfQF9YAR/f359AGAFf39+f30AYAR/f35/AX9gAn9+AGABfgF/YAp/f39/f39/f39/AX9gBX9/f31/AX9gAn9/AXxgCn9/f39/f39/f38AYAR/f31/AGABfAF/YAF9AX9gAn98AGACf34Bf2ACf3wBf2ACfn8Bf2AFf399f38AYAR/f399AGAFf39/f30AYAF8AX5gAnx/AXxgAnx8AXxgAn19AGAEf35/fwF/YAN/f34Bf2AHf39/f399fwBgA399fwF/YAJ9fQF9YAF8AGAAAX5gBH9+fn8AYAR9fX19AGALf39/f39/f39/f38AYAN/f34BfmADf35+AX5gAn58AX9gAnx+AX9gA39/fwF+YAZ/f39/f30AYAV/fX9/fwBgAn99AX1gC39/f399fX19f39/AX1gA399fwBgBX99fX99AGAFf39/fX8AYAJ/fQF/YAN9fX0BfWAHf319fX19fQBgAn5/AX5gA3x8fwF8YAZ/fH9/f38Bf2AEf39/fgF+YAR+fn5+AX9gA3x+fgF8YAJ9fwBgBH9+f38AYAV/f35/fwBgBn9/fn9/fQBgBX9+f399AGAHf39/f35/fwBgBX9/f398AGAGf39/f3x8AGAGf39/f3x/AGAHf39/f35/fwF/YAN8f38Bf2AEf39+fgF+YAR/f3x8AXxgAn5+AX5gA398fAF8YAZ/f35/f38AYAJ/fgF+YAV/fn9/fgF/YAN/f38BfGADf398AXxgA398fwBgB399fX19fX8AYAV/f319fwBgCH99fX19fX1/AGAIf39/fX9/f38Bf2AGf399fX1/AGAFf39/fX0AYAZ/f31/f30AYAh/f39/f39/fQBgCn9/fX19fX9/f38AYAh/f319f39/fwBgDH99f399fX19f39/fwBgBn9/fX9/fwF/YAx/f39/fX19fX9/f38AYAR/f319AGAKf399fX19fX19fwF/YAx/f319fX19fX19fX8AYAp/f39/f319fX1/AGAEf399fwF/YAZ/fX9/f38AYAN/f38BfWAGf399fX19AGAEf399fwF9YAl/f39/f39/f38Bf2AJf39/f31/f39/AGAMf399fX1/f31/f39/AGASf39/f399f39/f39/f39/f39/AGAHf399f319fQBgB39/f39/f30Bf2AHf399fX19fQF9YAd/f39/f319AX9gBX9/f319AX9gA398fABgAn1/AX9gA39/fABgBH9/fn4AYAF+AXxgA35+fwF+YAV/fn9/fwBgBX9/f39/AX5gA39/fAF/YAd/f399fX19AGAFfX19fX0BfWALf39/f39/f319fX8BfWAFf319f30Bf2AEf39/fwF9YAl/f39/f39/f30AYAJ8fwF/YAN+f38Bf2ADf35+AGACfn4BfGACfn4BfWACfn4Bf2ACf3wBfGAFf39/fn8Bf2AEf39+fwF+ApTmgIAApQMDZW52DV9fYXNzZXJ0X2ZhaWwABwNlbnYYZW1zY3JpcHRlbl9hc21fY29uc3RfaW50AAMDZW52BWFib3J0AAsDZW52BHRpbWUAAANlbnYLZ2V0VGVtcFJldDAADANlbnYKaW52b2tlX3ZpaQAFA2VudgtzZXRUZW1wUmV0MAAEA2Vudg9nbENyZWF0ZVByb2dyYW0ADANlbnYOZ2xDcmVhdGVTaGFkZXIAAANlbnYOZ2xTaGFkZXJTb3VyY2UABwNlbnYPZ2xDb21waWxlU2hhZGVyAAQDZW52DWdsR2V0U2hhZGVyaXYABQNlbnYOZ2xBdHRhY2hTaGFkZXIAAgNlbnYNZ2xMaW5rUHJvZ3JhbQAEA2Vudg5nbEdldFByb2dyYW1pdgAFA2VudhRnbEdldFVuaWZvcm1Mb2NhdGlvbgABA2VudhNnbEdldEF0dHJpYkxvY2F0aW9uAAEDZW52DGdsR2VuQnVmZmVycwACA2VudhFnbEdlblZlcnRleEFycmF5cwACA2VudhFnbEJpbmRWZXJ0ZXhBcnJheQAEA2VudgxnbEJpbmRCdWZmZXIAAgNlbnYZZ2xFbmFibGVWZXJ0ZXhBdHRyaWJBcnJheQAEA2VudhVnbFZlcnRleEF0dHJpYlBvaW50ZXIADgNlbnYNZ2xCaW5kVGV4dHVyZQACA2Vudg5nbERldGFjaFNoYWRlcgACA2Vudg5nbERlbGV0ZVNoYWRlcgAEA2Vudg9nbERlbGV0ZVByb2dyYW0ABANlbnYQZ2xEZWxldGVUZXh0dXJlcwACA2Vudg9nbERlbGV0ZUJ1ZmZlcnMAAgNlbnYIZ2xFbmFibGUABANlbnYPZ2xCbGVuZEVxdWF0aW9uAAQDZW52C2dsQmxlbmRGdW5jAAIDZW52CWdsRGlzYWJsZQAEA2Vudg9nbEFjdGl2ZVRleHR1cmUABANlbnYMZ2xVc2VQcm9ncmFtAAQDZW52C2dsVW5pZm9ybTFpAAIDZW52EmdsVW5pZm9ybU1hdHJpeDRmdgAHA2VudgpnbFZpZXdwb3J0AAcDZW52DGdsQnVmZmVyRGF0YQAHA2Vudg9nbEJ1ZmZlclN1YkRhdGEABwNlbnYJZ2xTY2lzc29yAAcDZW52DmdsRHJhd0VsZW1lbnRzAAcDZW52EGdsZndHZXRJbnB1dE1vZGUAAQNlbnYYZ2xmd0dldFdpbmRvd1VzZXJQb2ludGVyAAADZW52EGdsZndHZXRDdXJzb3JQb3MABQNlbnYLZ2xmd0dldFRpbWUAJQNlbnYYZ2xmd1NldFdpbmRvd1VzZXJQb2ludGVyAAIDZW52FWdsZndTZXRTY3JvbGxDYWxsYmFjawABA2VudhNnbGZ3U2V0Q2hhckNhbGxiYWNrAAEDZW52GmdsZndTZXRNb3VzZUJ1dHRvbkNhbGxiYWNrAAEDZW52FmdsZndTZXRDbGlwYm9hcmRTdHJpbmcAAgNlbnYWZ2xmd0dldENsaXBib2FyZFN0cmluZwAAA2Vudg1nbEdlblRleHR1cmVzAAIDZW52D2dsVGV4UGFyYW1ldGVyaQAFA2VudgxnbFRleEltYWdlMkQAFANlbnYRZ2xmd0dldFdpbmRvd1NpemUABQNlbnYWZ2xmd0dldEZyYW1lYnVmZmVyU2l6ZQAFA2VudgpnbGZ3R2V0S2V5AAEDZW52EmdsZndHZXRNb3VzZUJ1dHRvbgABA2VudgVjbG9jawAMA2Vudg1jbG9ja19nZXR0aW1lAAEDZW52BmF0ZXhpdAAAA2VudhVlbXNjcmlwdGVuX3J1bl9zY3JpcHQABANlbnYUZ2xCaW5kQXR0cmliTG9jYXRpb24ABQNlbnYTZ2xHZXRQcm9ncmFtSW5mb0xvZwAHA2VudgRleGl0AAQDZW52DWdsR2V0SW50ZWdlcnYAAgNlbnYeZW1zY3JpcHRlbl9zYW1wbGVfZ2FtZXBhZF9kYXRhAAwDZW52HWVtc2NyaXB0ZW5fZ2V0X2dhbWVwYWRfc3RhdHVzAAEDZW52LGVtc2NyaXB0ZW5fc2V0X3RvdWNoc3RhcnRfY2FsbGJhY2tfb25fdGhyZWFkAAgDZW52K2Vtc2NyaXB0ZW5fc2V0X3RvdWNobW92ZV9jYWxsYmFja19vbl90aHJlYWQACA
if (!isDataURI(wasmBinaryFile)) {
wasmBinaryFile = locateFile(wasmBinaryFile);
}
function getBinary(file) {
try {
if (file == wasmBinaryFile && wasmBinary) {
return new Uint8Array(wasmBinary);
}
var binary = tryParseAsDataURI(file);
if (binary) {
return binary;
}
if (readBinary) {
return readBinary(file);
} else {
throw "both async and sync fetching of the wasm failed";
}
}
catch (err) {
abort(err);
}
}
function getBinaryPromise() {
// If we don't have the binary yet, try to 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'
) {
return fetch(wasmBinaryFile, { credentials: 'same-origin' }).then(function(response) {
if (!response['ok']) {
throw "failed to load wasm binary file at '" + wasmBinaryFile + "'";
}
return response['arrayBuffer']();
}).catch(function () {
return getBinary(wasmBinaryFile);
});
}
}
// Otherwise, getBinary should be able to get it synchronously
return Promise.resolve().then(function() { return getBinary(wasmBinaryFile); });
}
// Create the wasm instance.
// Receives the wasm imports, returns the exports.
function createWasm() {
// prepare imports
var info = {
'env': asmLibraryArg,
'wasi_snapshot_preview1': asmLibraryArg,
};
// 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 === 268435456);
updateGlobalBufferAndViews(wasmMemory.buffer);
wasmTable = Module['asm']['__indirect_function_table'];
assert(wasmTable, "table not found in wasm exports");
addOnInit(Module['asm']['__wasm_call_ctors']);
removeRunDependency('wasm-instantiate');
}
// we can't run yet (except in a pthread, where we have a custom sync instantiator)
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 USE_PTHREADS-enabled path.
receiveInstance(result['instance']);
}
function instantiateArrayBuffer(receiver) {
return getBinaryPromise().then(function(binary) {
return WebAssembly.instantiate(binary, info);
}).then(function (instance) {
return instance;
}).then(receiver, function(reason) {
err('failed to asynchronously prepare wasm: ' + reason);
// 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() {
if (!wasmBinary &&
typeof WebAssembly.instantiateStreaming === 'function' &&
!isDataURI(wasmBinaryFile) &&
typeof fetch === 'function') {
return fetch(wasmBinaryFile, { credentials: 'same-origin' }).then(function (response) {
var result = WebAssembly.instantiateStreaming(response, info);
return result.then(
receiveInstantiationResult,
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(receiveInstantiationResult);
});
});
} else {
return instantiateArrayBuffer(receiveInstantiationResult);
}
}
// 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.
if (Module['instantiateWasm']) {
try {
var exports = Module['instantiateWasm'](info, receiveInstance);
return exports;
} catch(e) {
err('Module.instantiateWasm callback failed with error: ' + e);
return false;
}
}
instantiateAsync();
return {}; // no exports yet; we'll fill them in later
}
// Globals used by JS i64 conversions (see makeSetValue)
var tempDouble;
var tempI64;
// === Body ===
var ASM_CONSTS = {
117423: function() {FS.syncfs(true, function (err) { assert(!err); });},
117474: function() {FS.syncfs(false, function (err) { assert(!err); });},
117526: function() {return window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth},
117620: function() {return window.innerHeight|| document.documentElement.clientHeight|| document.body.clientHeight},
117715: function() {Module.requestFullscreen(1, 1)},
117746: function() {Module.exitFullscreen()},
117770: function() {if ((window.AudioContext || window.webkitAudioContext) === undefined) { return 0; } if (typeof(window.miniaudio) === 'undefined') { window.miniaudio = {}; miniaudio.devices = []; miniaudio.track_device = function(device) { for (var iDevice = 0; iDevice < miniaudio.devices.length; ++iDevice) { if (miniaudio.devices[iDevice] == null) { miniaudio.devices[iDevice] = device; return iDevice; } } miniaudio.devices.push(device); return miniaudio.devices.length - 1; }; miniaudio.untrack_device_by_index = function(deviceIndex) { miniaudio.devices[deviceIndex] = null; while (miniaudio.devices.length > 0) { if (miniaudio.devices[miniaudio.devices.length-1] == null) { miniaudio.devices.pop(); } else { break; } } }; miniaudio.untrack_device = function(device) { for (var iDevice = 0; iDevice < miniaudio.devices.length; ++iDevice) { if (miniaudio.devices[iDevice] == device) { return miniaudio.untrack_device_by_index(iDevice); } } }; miniaudio.get_device_by_index = function(deviceIndex) { return miniaudio.devices[deviceIndex]; }; miniaudio.unlock_event_types = (function(){ return ['touchstart', 'touchend', 'click']; })(); miniaudio.unlock = function() { for(var i = 0; i < miniaudio.devices.length; ++i) { var device = miniaudio.devices[i]; if (device != null && device.webaudio != null && device.state === 2 ) { device.webaudio.resume(); } } miniaudio.unlock_event_types.map(function(event_type) { document.removeEventListener(event_type, miniaudio.unlock, true); }); }; miniaudio.unlock_event_types.map(function(event_type) { document.addEventListener(event_type, miniaudio.unlock, true); }); } return 1;},
119382: function() {return (navigator.mediaDevices !== undefined && navigator.mediaDevices.getUserMedia !== undefined);},
119486: function() {try { var temp = new (window.AudioContext || window.webkitAudioContext)(); var sampleRate = temp.sampleRate; temp.close(); return sampleRate; } catch(e) { return 0; }},
119657: function($0, $1, $2, $3, $4) {var channels = $0; var sampleRate = $1; var bufferSize = $2; var isCapture = $3; var pDevice = $4; if (typeof(window.miniaudio) === 'undefined') { return -1; } var device = {}; device.webaudio = new (window.AudioContext || window.webkitAudioContext)({sampleRate:sampleRate}); device.webaudio.suspend(); device.state = 1; device.intermediaryBufferSizeInBytes = channels * bufferSize * 4; device.intermediaryBuffer = Module._malloc(device.intermediaryBufferSizeInBytes); device.intermediaryBufferView = new Float32Array(Module.HEAPF32.buffer, device.intermediaryBuffer, device.intermediaryBufferSizeInBytes); device.scriptNode = device.webaudio.createScriptProcessor(bufferSize, (isCapture) ? channels : 0, (isCapture) ? 0 : channels); if (isCapture) { device.scriptNode.onaudioprocess = function(e) { if (device.intermediaryBuffer === undefined) { return; } if (device.intermediaryBufferView.length == 0) { device.intermediaryBufferView = new Float32Array(Module.HEAPF32.buffer, device.intermediaryBuffer, device.intermediaryBufferSizeInBytes); } for (var iChannel = 0; iChannel < e.outputBuffer.numberOfChannels; ++iChannel) { e.outputBuffer.getChannelData(iChannel).fill(0.0); } var sendSilence = false; if (device.streamNode === undefined) { sendSilence = true; } if (e.inputBuffer.numberOfChannels != channels) { console.log("Capture: Channel count mismatch. " + e.inputBufer.numberOfChannels + " != " + channels + ". Sending silence."); sendSilence = true; } var totalFramesProcessed = 0; while (totalFramesProcessed < e.inputBuffer.length) { var framesRemaining = e.inputBuffer.length - totalFramesProcessed; var framesToProcess = framesRemaining; if (framesToProcess > (device.intermediaryBufferSizeInBytes/channels/4)) { framesToProcess = (device.intermediaryBufferSizeInBytes/channels/4); } if (sendSilence) { device.intermediaryBufferView.fill(0.0); } else { for (var iFrame = 0; iFrame < framesToProcess; ++iFrame) { for (var iChannel = 0; iChannel < e.inputBuffer.numberOfChannels; ++iChannel) { device.intermediaryBufferView[iFrame*channels + iChannel] = e.inputBuffer.getChannelData(iChannel)[totalFramesProcessed + iFrame]; } } } ccall("ma_device_process_pcm_frames_capture__webaudio", "undefined", ["number", "number", "number"], [pDevice, framesToProcess, device.intermediaryBuffer]); totalFramesProcessed += framesToProcess; } }; navigator.mediaDevices.getUserMedia({audio:true, video:false}) .then(function(stream) { device.streamNode = device.webaudio.createMediaStreamSource(stream); device.streamNode.connect(device.scriptNode); device.scriptNode.connect(device.webaudio.destination); }) .catch(function(error) { device.scriptNode.connect(device.webaudio.destination); }); } else { device.scriptNode.onaudioprocess = function(e) { if (device.intermediaryBuffer === undefined) { return; } if(device.intermediaryBufferView.length == 0) { device.intermediaryBufferView = new Float32Array(Module.HEAPF32.buffer, device.intermediaryBuffer, device.intermediaryBufferSizeInBytes); } var outputSilence = false; if (e.outputBuffer.numberOfChannels != channels) { console.log("Playback: Channel count mismatch. " + e.outputBufer.numberOfChannels + " != " + channels + ". Outputting silence."); outputSilence = true; return; } var totalFramesProcessed = 0; while (totalFramesProcessed < e.outputBuffer.length) { var framesRemaining = e.outputBuffer.length - totalFramesProcessed; var framesToProcess = framesRemaining; if (framesToProcess > (device.intermediaryBufferSizeInBytes/channels/4)) { framesToProcess = (device.intermediaryBufferSizeInBytes/channels/4); } ccall("ma_device_process_pcm_frames_playback__webaudio", "undefined", ["number", "number", "number"], [pDevice, framesToProcess, device.intermediaryBuffer]); if (outputSilence) { for (var iChannel = 0; iChannel < e.outputBuffer.numberOfChannels; ++iChannel) { e.outputBuffer.getChannelData(iChannel).fill(0.0); } } else { for (var iChannel = 0; iChannel < e.outputBuffer.numberOfChannels; ++iChannel) { var outputBuffer = e.outputBuffer.getChannelData(iChannel); var intermediaryBu
124057: function($0) {return miniaudio.get_device_by_index($0).webaudio.sampleRate;},
124123: function($0) {var device = miniaudio.get_device_by_index($0); if (device.scriptNode !== undefined) { device.scriptNode.onaudioprocess = function(e) {}; device.scriptNode.disconnect(); device.scriptNode = undefined; } if (device.streamNode !== undefined) { device.streamNode.disconnect(); device.streamNode = undefined; } device.webaudio.close(); device.webaudio = undefined; if (device.intermediaryBuffer !== undefined) { Module._free(device.intermediaryBuffer); device.intermediaryBuffer = undefined; device.intermediaryBufferView = undefined; device.intermediaryBufferSizeInBytes = undefined; } miniaudio.untrack_device_by_index($0);},
124749: function($0) {var device = miniaudio.get_device_by_index($0); device.webaudio.resume(); device.state = 2;},
124845: function($0) {var device = miniaudio.get_device_by_index($0); device.webaudio.resume(); device.state = 2;},
124941: function($0) {var device = miniaudio.get_device_by_index($0); device.webaudio.suspend(); device.state = 1;},
125038: function($0) {var device = miniaudio.get_device_by_index($0); device.webaudio.suspend(); device.state = 1;}
};
function pt_em_connect_websocket(em,url,protocols,num_protocols){ var webSocket = typeof WebSocket !== "undefined" ? WebSocket : require("ws"); var url_str = UTF8ToString(url); var protocols_str = []; for (var i = 0; i < num_protocols; i++) { var protocol = HEAPU32[(protocols >> 2) + i]; protocols_str.push(UTF8ToString(protocol)); } var ws = new webSocket(url_str, protocols_str); ws.binaryType = "arraybuffer"; if (Module.g_bqws_pt_sockets === undefined) { Module.g_bqws_pt_sockets = { sockets: [null], em_sockets: [null], free_list: [], }; } var handle = null; if (Module.g_bqws_pt_sockets.free_list.length > 0) { handle = Module.g_bqws_pt_sockets.free_list.pop(); Module.g_bqws_pt_sockets.sockets[handle] = ws; Module.g_bqws_pt_sockets.em_sockets[handle] = em; } else { handle = Module.g_bqws_pt_sockets.sockets.length; Module.g_bqws_pt_sockets.sockets.push(ws); Module.g_bqws_pt_sockets.em_sockets.push(em); } var interval = setInterval(function() { if (_pt_em_is_closed(em)) { ws.close(); } }, 1000); ws.onopen = function(e) { if (Module.g_bqws_pt_sockets.sockets[handle] !== ws) return; if (_pt_em_on_open(em)) { ws.close(); Module.g_bqws_pt_sockets.sockets[handle] = null; Module.g_bqws_pt_sockets.em_sockets[handle] = null; Module.g_bqws_pt_sockets.free_list.push(handle); } }; ws.onclose = function(e) { if (interval !== null) { clearInterval(interval); interval = null; } if (Module.g_bqws_pt_sockets.sockets[handle] !== ws) return; _pt_em_on_close(em); Module.g_bqws_pt_sockets.sockets[handle] = null; Module.g_bqws_pt_sockets.em_sockets[handle] = null; Module.g_bqws_pt_sockets.free_list.push(handle); }; ws.onerror = function(e) { if (Module.g_bqws_pt_sockets.sockets[handle] !== ws) return; _pt_em_on_close(em); ws.close(); Module.g_bqws_pt_sockets.sockets[handle] = null; Module.g_bqws_pt_sockets.em_sockets[handle] = null; Module.g_bqws_pt_sockets.free_list.push(handle); }; ws.onmessage = function(e) { if (Module.g_bqws_pt_sockets.sockets[handle] !== ws) return; var deleted = 0; if (typeof e.data === "string") { var size = lengthBytesUTF8(e.data); var ptr = _pt_em_msg_alloc(em, size, 1); if (ptr == em) { deleted = 1; } else if (ptr != 0) { stringToUTF8(e.data, ptr, size + 1); deleted = _pt_em_msg_recv(em, ptr); } } else { var size = e.data.byteLength; var ptr = _pt_em_msg_alloc(em, size, 2); if (ptr == em) { deleted = 1; } else if (ptr != 0) { HEAPU8.set(new Uint8Array(e.data), ptr); deleted = _pt_em_msg_recv(em, ptr); } } if (deleted != 0) { ws.close(); Module.g_bqws_pt_sockets.sockets[handle] = null; Module.g_bqws_pt_sockets.em_sockets[handle] = null; Module.g_bqws_pt_sockets.free_list.push(handle); } }; return handle; }
function pt_em_try_free_websocket(handle,em){ if (!Module.g_bqws_pt_sockets || em !== Module.g_bqws_pt_sockets.em_sockets[handle]) { return 0; } var ws = Module.g_bqws_pt_sockets.sockets[handle]; if (ws.readyState < 2) ws.close(); Module.g_bqws_pt_sockets.sockets[handle] = null; Module.g_bqws_pt_sockets.em_sockets[handle] = null; Module.g_bqws_pt_sockets.free_list.push(handle); return 1; }
function pt_em_websocket_close(handle,em,code){ if (!Module.g_bqws_pt_sockets || em !== Module.g_bqws_pt_sockets.em_sockets[handle]) { console.error("WebSocket '0x" + em.toString(16) + "' not found in thread: Make sure to call bqws_update() only from a single thread per socket in WASM!"); return 0; } var ws = Module.g_bqws_pt_sockets.sockets[handle]; if (ws.readyState >= 2) { return 0; } ws.close(code); return 1; }
function pt_em_websocket_send_binary(handle,em,data,size){ if (!Module.g_bqws_pt_sockets || em !== Module.g_bqws_pt_sockets.em_sockets[handle]) { console.error("WebSocket '0x" + em.toString(16) + "' not found in thread: Make sure to call bqws_update() only from a single thread per socket in WASM!"); return 0; } var ws = Module.g_bqws_pt_sockets.sockets[handle]; if (ws.readyState == 0) { return 0; } else if (ws.readyState != 1) { return 1; } ws.send(HEAPU8.subarray(data, data + size)); return 1; }
function pt_em_websocket_send_text(handle,em,data,size){ if (!Module.g_bqws_pt_sockets || em !== Module.g_bqws_pt_sockets.em_sockets[handle]) { console.error("WebSocket '0x" + em.toString(16) + "' not found in thread: Make sure to call bqws_update() only from a single thread per socket in WASM!"); return 0; } var ws = Module.g_bqws_pt_sockets.sockets[handle]; if (ws.readyState == 0) { return 0; } else if (ws.readyState != 1) { return 1; } var str = UTF8ToString(data, size); ws.send(str); return 1; }
function callRuntimeCallbacks(callbacks) {
while (callbacks.length > 0) {
var callback = callbacks.shift();
if (typeof callback == 'function') {
callback(Module); // Pass the module as the first argument.
continue;
}
var func = callback.func;
if (typeof func === 'number') {
if (callback.arg === undefined) {
getWasmTableEntry(func)();
} else {
getWasmTableEntry(func)(callback.arg);
}
} else {
func(callback.arg === undefined ? null : callback.arg);
}
}
}
function withStackSave(f) {
var stack = stackSave();
var ret = f();
stackRestore(stack);
return ret;
}
function demangle(func) {
warnOnce('warning: build with -s DEMANGLE_SUPPORT=1 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 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;
}
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;
}
quit_(1, e);
}
function jsStackTrace() {
var error = new Error();
if (!error.stack) {
// IE10+ special cases: It does have callstack info, but it is only populated if an Error object is thrown,
// so try that as a special-case.
try {
throw new Error();
} catch(e) {
error = e;
}
if (!error.stack) {
return '(no stack trace available)';
}
}
return error.stack.toString();
}
function setWasmTableEntry(idx, func) {
wasmTable.set(idx, func);
wasmTableMirror[idx] = func;
}
function stackTrace() {
var js = jsStackTrace();
if (Module['extraStackTrace']) js += '\n' + Module['extraStackTrace']();
return demangleAll(js);
}
function ___assert_fail(condition, filename, line, func) {
abort('Assertion failed: ' + UTF8ToString(condition) + ', at: ' + [filename ? UTF8ToString(filename) : 'unknown filename', line, func ? UTF8ToString(func) : 'unknown function']);
}
function ___call_sighandler(fp, sig) {
getWasmTableEntry(fp)(sig);
}
var _emscripten_get_now;_emscripten_get_now = function() { return performance.now(); }
;
var _emscripten_get_now_is_monotonic = true;;
function setErrNo(value) {
HEAP32[((___errno_location())>>2)] = value;
return value;
}
function _clock_gettime(clk_id, tp) {
// int clock_gettime(clockid_t clk_id, struct timespec *tp);
var now;
if (clk_id === 0) {
now = Date.now();
} else if ((clk_id === 1 || clk_id === 4) && _emscripten_get_now_is_monotonic) {
now = _emscripten_get_now();
} else {
setErrNo(28);
return -1;
}
HEAP32[((tp)>>2)] = (now/1000)|0; // seconds
HEAP32[(((tp)+(4))>>2)] = ((now % 1000)*1000*1000)|0; // nanoseconds
return 0;
}
function ___clock_gettime(a0,a1
) {
return _clock_gettime(a0,a1);
}
function _tzset_impl() {
var currentYear = new Date().getFullYear();
var winter = new Date(currentYear, 0, 1);
var summer = new Date(currentYear, 6, 1);
var winterOffset = winter.getTimezoneOffset();
var summerOffset = summer.getTimezoneOffset();
// Local standard timezone offset. Local standard time is not adjusted for daylight savings.
// This code uses the fact that getTimezoneOffset returns a greater value during Standard Time versus Daylight Saving Time (DST).
// Thus it determines the expected output during Standard Time, and it compares whether the output of the given date the same (Standard) or less (DST).
var stdTimezoneOffset = Math.max(winterOffset, summerOffset);
// timezone is specified as seconds west of UTC ("The external variable
// `timezone` shall be set to the difference, in seconds, between
// Coordinated Universal Time (UTC) and local standard time."), the same
// as returned by stdTimezoneOffset.
// See http://pubs.opengroup.org/onlinepubs/009695399/functions/tzset.html
HEAP32[((__get_timezone())>>2)] = stdTimezoneOffset * 60;
HEAP32[((__get_daylight())>>2)] = Number(winterOffset != summerOffset);
function extractZone(date) {
var match = date.toTimeString().match(/\(([A-Za-z ]+)\)$/);
return match ? match[1] : "GMT";
};
var winterName = extractZone(winter);
var summerName = extractZone(summer);
var winterNamePtr = allocateUTF8(winterName);
var summerNamePtr = allocateUTF8(summerName);
if (summerOffset < winterOffset) {
// Northern hemisphere
HEAP32[((__get_tzname())>>2)] = winterNamePtr;
HEAP32[(((__get_tzname())+(4))>>2)] = summerNamePtr;
} else {
HEAP32[((__get_tzname())>>2)] = summerNamePtr;
HEAP32[(((__get_tzname())+(4))>>2)] = winterNamePtr;
}
}
function _tzset() {
// TODO: Use (malleable) environment variables instead of system settings.
if (_tzset.called) return;
_tzset.called = true;
_tzset_impl();
}
function _localtime_r(time, tmPtr) {
_tzset();
var date = new Date(HEAP32[((time)>>2)]*1000);
HEAP32[((tmPtr)>>2)] = date.getSeconds();
HEAP32[(((tmPtr)+(4))>>2)] = date.getMinutes();
HEAP32[(((tmPtr)+(8))>>2)] = date.getHours();
HEAP32[(((tmPtr)+(12))>>2)] = date.getDate();
HEAP32[(((tmPtr)+(16))>>2)] = date.getMonth();
HEAP32[(((tmPtr)+(20))>>2)] = date.getFullYear()-1900;
HEAP32[(((tmPtr)+(24))>>2)] = date.getDay();
var start = new Date(date.getFullYear(), 0, 1);
var yday = ((date.getTime() - start.getTime()) / (1000 * 60 * 60 * 24))|0;
HEAP32[(((tmPtr)+(28))>>2)] = yday;
HEAP32[(((tmPtr)+(36))>>2)] = -(date.getTimezoneOffset() * 60);
// Attention: DST is in December in South, and some regions don't have DST at all.
var summerOffset = new Date(date.getFullYear(), 6, 1).getTimezoneOffset();
var winterOffset = start.getTimezoneOffset();
var dst = (summerOffset != winterOffset && date.getTimezoneOffset() == Math.min(winterOffset, summerOffset))|0;
HEAP32[(((tmPtr)+(32))>>2)] = dst;
var zonePtr = HEAP32[(((__get_tzname())+(dst ? 4 : 0))>>2)];
HEAP32[(((tmPtr)+(40))>>2)] = zonePtr;
return tmPtr;
}
function ___localtime_r(a0,a1
) {
return _localtime_r(a0,a1);
}
var PATH = {splitPath:function(filename) {
var splitPathRe = /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;
return splitPathRe.exec(filename).slice(1);
},normalizeArray:function(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:function(path) {
var isAbsolute = path.charAt(0) === '/',
trailingSlash = path.substr(-1) === '/';
// Normalize the path
path = PATH.normalizeArray(path.split('/').filter(function(p) {
return !!p;
}), !isAbsolute).join('/');
if (!path && !isAbsolute) {
path = '.';
}
if (path && trailingSlash) {
path += '/';
}
return (isAbsolute ? '/' : '') + path;
},dirname:function(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:function(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);
},extname:function(path) {
return PATH.splitPath(path)[3];
},join:function() {
var paths = Array.prototype.slice.call(arguments, 0);
return PATH.normalize(paths.join('/'));
},join2:function(l, r) {
return PATH.normalize(l + '/' + r);
}};
function getRandomDevice() {
if (typeof crypto === 'object' && typeof crypto['getRandomValues'] === 'function') {
// for modern web browsers
var randomBuffer = new Uint8Array(1);
return function() { crypto.getRandomValues(randomBuffer); return randomBuffer[0]; };
} else
// we couldn't find a proper implementation, as Math.random() is not suitable for /dev/random, see emscripten-core/emscripten/pull/7096
return function() { 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 } };"); };
}
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.charAt(0) === '/';
}
// 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(function(p) {
return !!p;
}), !resolvedAbsolute).join('/');
return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.';
},relative:function(from, to) {
from = PATH_FS.resolve(from).substr(1);
to = PATH_FS.resolve(to).substr(1);
function trim(arr) {
var start = 0;
for (; start < arr.length; start++) {
if (arr[start] !== '') break;
}
var end = arr.length - 1;
for (; end >= 0; end--) {
if (arr[end] !== '') break;
}
if (start > end) return [];
return arr.slice(start, end - start + 1);
}
var fromParts = trim(from.split('/'));
var toParts = trim(to.split('/'));
var length = Math.min(fromParts.length, toParts.length);
var samePartsLength = length;
for (var i = 0; i < length; i++) {
if (fromParts[i] !== toParts[i]) {
samePartsLength = i;
break;
}
}
var outputParts = [];
for (var i = samePartsLength; i < fromParts.length; i++) {
outputParts.push('..');
}
outputParts = outputParts.concat(toParts.slice(samePartsLength));
return outputParts.join('/');
}};
var 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.flush(stream.tty);
},flush:function(stream) {
stream.tty.ops.flush(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 (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.
}
},flush: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);
}
},flush: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);
}
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 `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, address, length, position, prot, flags) {
if (address !== 0) {
// We don't currently support location hints for the address of the mapping
throw new FS.ErrnoError(28);
}
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 === 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) {
if (!FS.isFile(stream.node.mode)) {
throw new FS.ErrnoError(43);
}
if (mmapFlags & 2) {
// MAP_PRIVATE calls need not to be synced back to underlying fs
return 0;
}
var bytesWritten = MEMFS.stream_ops.write(stream, buffer, 0, length, offset, false);
// should we check if bytesWritten and length are the same?
return 0;
}}};
function asyncLoad(url, onload, onerror, noRunDep) {
var dep = !noRunDep ? getUniqueRunDependency('al ' + url) : '';
readAsync(url, function(arrayBuffer) {
assert(arrayBuffer, 'Loading data file "' + url + '" failed (no arrayBuffer).');
onload(new Uint8Array(arrayBuffer));
if (dep) removeRunDependency(dep);
}, function(event) {
if (onerror) {
onerror();
} else {
throw 'Loading data file "' + url + '" failed.';
}
});
if (dep) addRunDependency(dep);
}
var IDBFS = {dbs:{},indexedDB:function() {
if (typeof indexedDB !== 'undefined') return indexedDB;
var ret = null;
if (typeof window === 'object') ret = window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB;
assert(ret, 'IDBFS used, but indexedDB not supported');
return ret;
},DB_VERSION:21,DB_STORE_NAME:"FILE_DATA",mount:function(mount) {
// reuse all of the core MEMFS functionality
return MEMFS.mount.apply(null, arguments);
},syncfs:function(mount, populate, callback) {
IDBFS.getLocalSet(mount, function(err, local) {
if (err) return callback(err);
IDBFS.getRemoteSet(mount, function(err, remote) {
if (err) return callback(err);
var src = populate ? remote : local;
var dst = populate ? local : remote;
IDBFS.reconcile(src, dst, callback);
});
});
},getDB:function(name, callback) {
// check the cache first
var db = IDBFS.dbs[name];
if (db) {
return callback(null, db);
}
var req;
try {
req = IDBFS.indexedDB().open(name, IDBFS.DB_VERSION);
} catch (e) {
return callback(e);
}
if (!req) {
return callback("Unable to connect to IndexedDB");
}
req.onupgradeneeded = function(e) {
var db = e.target.result;
var transaction = e.target.transaction;
var fileStore;
if (db.objectStoreNames.contains(IDBFS.DB_STORE_NAME)) {
fileStore = transaction.objectStore(IDBFS.DB_STORE_NAME);
} else {
fileStore = db.createObjectStore(IDBFS.DB_STORE_NAME);
}
if (!fileStore.indexNames.contains('timestamp')) {
fileStore.createIndex('timestamp', 'timestamp', { unique: false });
}
};
req.onsuccess = function() {
db = req.result;
// add to the cache
IDBFS.dbs[name] = db;
callback(null, db);
};
req.onerror = function(e) {
callback(this.error);
e.preventDefault();
};
},getLocalSet:function(mount, callback) {
var entries = {};
function isRealDir(p) {
return p !== '.' && p !== '..';
};
function toAbsolute(root) {
return function(p) {
return PATH.join2(root, p);
}
};
var check = FS.readdir(mount.mountpoint).filter(isRealDir).map(toAbsolute(mount.mountpoint));
while (check.length) {
var path = check.pop();
var stat;
try {
stat = FS.stat(path);
} catch (e) {
return callback(e);
}
if (FS.isDir(stat.mode)) {
check.push.apply(check, FS.readdir(path).filter(isRealDir).map(toAbsolute(path)));
}
entries[path] = { 'timestamp': stat.mtime };
}
return callback(null, { type: 'local', entries: entries });
},getRemoteSet:function(mount, callback) {
var entries = {};
IDBFS.getDB(mount.mountpoint, function(err, db) {
if (err) return callback(err);
try {
var transaction = db.transaction([IDBFS.DB_STORE_NAME], 'readonly');
transaction.onerror = function(e) {
callback(this.error);
e.preventDefault();
};
var store = transaction.objectStore(IDBFS.DB_STORE_NAME);
var index = store.index('timestamp');
index.openKeyCursor().onsuccess = function(event) {
var cursor = event.target.result;
if (!cursor) {
return callback(null, { type: 'remote', db: db, entries: entries });
}
entries[cursor.primaryKey] = { 'timestamp': cursor.key };
cursor.continue();
};
} catch (e) {
return callback(e);
}
});
},loadLocalEntry:function(path, callback) {
var stat, node;
try {
var lookup = FS.lookupPath(path);
node = lookup.node;
stat = FS.stat(path);
} catch (e) {
return callback(e);
}
if (FS.isDir(stat.mode)) {
return callback(null, { 'timestamp': stat.mtime, 'mode': stat.mode });
} else if (FS.isFile(stat.mode)) {
// Performance consideration: storing a normal JavaScript array to a IndexedDB is much slower than storing a typed array.
// Therefore always convert the file contents to a typed array first before writing the data to IndexedDB.
node.contents = MEMFS.getFileDataAsTypedArray(node);
return callback(null, { 'timestamp': stat.mtime, 'mode': stat.mode, 'contents': node.contents });
} else {
return callback(new Error('node type not supported'));
}
},storeLocalEntry:function(path, entry, callback) {
try {
if (FS.isDir(entry['mode'])) {
FS.mkdirTree(path, entry['mode']);
} else if (FS.isFile(entry['mode'])) {
FS.writeFile(path, entry['contents'], { canOwn: true });
} else {
return callback(new Error('node type not supported'));
}
FS.chmod(path, entry['mode']);
FS.utime(path, entry['timestamp'], entry['timestamp']);
} catch (e) {
return callback(e);
}
callback(null);
},removeLocalEntry:function(path, callback) {
try {
var lookup = FS.lookupPath(path);
var stat = FS.stat(path);
if (FS.isDir(stat.mode)) {
FS.rmdir(path);
} else if (FS.isFile(stat.mode)) {
FS.unlink(path);
}
} catch (e) {
return callback(e);
}
callback(null);
},loadRemoteEntry:function(store, path, callback) {
var req = store.get(path);
req.onsuccess = function(event) { callback(null, event.target.result); };
req.onerror = function(e) {
callback(this.error);
e.preventDefault();
};
},storeRemoteEntry:function(store, path, entry, callback) {
try {
var req = store.put(entry, path);
} catch (e) {
callback(e);
return;
}
req.onsuccess = function() { callback(null); };
req.onerror = function(e) {
callback(this.error);
e.preventDefault();
};
},removeRemoteEntry:function(store, path, callback) {
var req = store.delete(path);
req.onsuccess = function() { callback(null); };
req.onerror = function(e) {
callback(this.error);
e.preventDefault();
};
},reconcile:function(src, dst, callback) {
var total = 0;
var create = [];
Object.keys(src.entries).forEach(function (key) {
var e = src.entries[key];
var e2 = dst.entries[key];
if (!e2 || e['timestamp'].getTime() != e2['timestamp'].getTime()) {
create.push(key);
total++;
}
});
var remove = [];
Object.keys(dst.entries).forEach(function (key) {
if (!src.entries[key]) {
remove.push(key);
total++;
}
});
if (!total) {
return callback(null);
}
var errored = false;
var db = src.type === 'remote' ? src.db : dst.db;
var transaction = db.transaction([IDBFS.DB_STORE_NAME], 'readwrite');
var store = transaction.objectStore(IDBFS.DB_STORE_NAME);
function done(err) {
if (err && !errored) {
errored = true;
return callback(err);
}
};
transaction.onerror = function(e) {
done(this.error);
e.preventDefault();
};
transaction.oncomplete = function(e) {
if (!errored) {
callback(null);
}
};
// sort paths in ascending order so directory entries are created
// before the files inside them
create.sort().forEach(function (path) {
if (dst.type === 'local') {
IDBFS.loadRemoteEntry(store, path, function (err, entry) {
if (err) return done(err);
IDBFS.storeLocalEntry(path, entry, done);
});
} else {
IDBFS.loadLocalEntry(path, function (err, entry) {
if (err) return done(err);
IDBFS.storeRemoteEntry(store, path, entry, done);
});
}
});
// sort paths in descending order so files are deleted before their
// parent directories
remove.sort().reverse().forEach(function(path) {
if (dst.type === 'local') {
IDBFS.removeLocalEntry(path, done);
} else {
IDBFS.removeRemoteEntry(store, path, done);
}
});
}};
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 = {};
var FS = {root:null,mounts:[],devices:{},streams:[],nextInode:1,nameTable:null,currentPath:"/",initialized:false,ignorePermissions:true,ErrnoError:null,genericErrors:{},filesystems:null,syncFSRequests:0,lookupPath:function(path, opts) {
path = PATH_FS.resolve(FS.cwd(), path);
opts = opts || {};
if (!path) return { path: '', node: null };
var defaults = {
follow_mount: true,
recurse_count: 0
};
for (var key in defaults) {
if (opts[key] === undefined) {
opts[key] = defaults[key];
}
}
if (opts.recurse_count > 8) { // max recursive lookup of 8
throw new FS.ErrnoError(32);
}
// split the path
var parts = PATH.normalizeArray(path.split('/').filter(function(p) {
return !!p;
}), false);
// 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 });
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:function(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:function(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:function(node) {
var hash = FS.hashName(node.parent.id, node.name);
node.name_next = FS.nameTable[hash];
FS.nameTable[hash] = node;
},hashRemoveNode:function(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:function(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:function(parent, name, mode, rdev) {
assert(typeof parent === 'object')
var node = new FS.FSNode(parent, name, mode, rdev);
FS.hashAddNode(node);
return node;
},destroyNode:function(node) {
FS.hashRemoveNode(node);
},isRoot:function(node) {
return node === node.parent;
},isMountpoint:function(node) {
return !!node.mounted;
},isFile:function(mode) {
return (mode & 61440) === 32768;
},isDir:function(mode) {
return (mode & 61440) === 16384;
},isLink:function(mode) {
return (mode & 61440) === 40960;
},isChrdev:function(mode) {
return (mode & 61440) === 8192;
},isBlkdev:function(mode) {
return (mode & 61440) === 24576;
},isFIFO:function(mode) {
return (mode & 61440) === 4096;
},isSocket:function(mode) {
return (mode & 49152) === 49152;
},flagModes:{"r":0,"r+":2,"w":577,"w+":578,"a":1089,"a+":1090},modeStringToFlags:function(str) {
var flags = FS.flagModes[str];
if (typeof flags === 'undefined') {
throw new Error('Unknown file open mode: ' + str);
}
return flags;
},flagsToPermissionString:function(flag) {
var perms = ['r', 'w', 'rw'][flag & 3];
if ((flag & 512)) {
perms += 'w';
}
return perms;
},nodePermissions:function(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:function(dir) {
var errCode = FS.nodePermissions(dir, 'x');
if (errCode) return errCode;
if (!dir.node_ops.lookup) return 2;
return 0;
},mayCreate:function(dir, name) {
try {
var node = FS.lookupNode(dir, name);
return 20;
} catch (e) {
}
return FS.nodePermissions(dir, 'wx');
},mayDelete:function(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:function(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:function(fd_start, fd_end) {
fd_start = fd_start || 0;
fd_end = fd_end || FS.MAX_OPEN_FDS;
for (var fd = fd_start; fd <= fd_end; fd++) {
if (!FS.streams[fd]) {
return fd;
}
}
throw new FS.ErrnoError(33);
},getStream:function(fd) {
return FS.streams[fd];
},createStream:function(stream, fd_start, fd_end) {
if (!FS.FSStream) {
FS.FSStream = /** @constructor */ function(){};
FS.FSStream.prototype = {
object: {
get: function() { return this.node; },
set: function(val) { this.node = val; }
},
isRead: {
get: function() { return (this.flags & 2097155) !== 1; }
},
isWrite: {
get: function() { return (this.flags & 2097155) !== 0; }
},
isAppend: {
get: function() { return (this.flags & 1024); }
}
};
}
// clone it, so we can return an instance of FSStream
var newStream = new FS.FSStream();
for (var p in stream) {
newStream[p] = stream[p];
}
stream = newStream;
var fd = FS.nextfd(fd_start, fd_end);
stream.fd = fd;
FS.streams[fd] = stream;
return stream;
},closeStream:function(fd) {
FS.streams[fd] = null;
},chrdev_stream_ops:{open:function(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:function() {
throw new FS.ErrnoError(70);
}},major:function(dev) {
return ((dev) >> 8);
},minor:function(dev) {
return ((dev) & 0xff);
},makedev:function(ma, mi) {
return ((ma) << 8 | (mi));
},registerDevice:function(dev, ops) {
FS.devices[dev] = { stream_ops: ops };
},getDevice:function(dev) {
return FS.devices[dev];
},getMounts:function(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:function(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(function (mount) {
if (!mount.type.syncfs) {
return done(null);
}
mount.type.syncfs(mount, populate, done);
});
},mount:function(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:function (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(function (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:function(parent, name) {
return parent.node_ops.lookup(parent, name);
},mknod:function(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:function(path, mode) {
mode = mode !== undefined ? mode : 438 /* 0666 */;
mode &= 4095;
mode |= 32768;
return FS.mknod(path, mode, 0);
},mkdir:function(path, mode) {
mode = mode !== undefined ? mode : 511 /* 0777 */;
mode &= 511 | 512;
mode |= 16384;
return FS.mknod(path, mode, 0);
},mkdirTree:function(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:function(path, mode, dev) {
if (typeof(dev) === 'undefined') {
dev = mode;
mode = 438 /* 0666 */;
}
mode |= 8192;
return FS.mknod(path, mode, dev);
},symlink:function(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:function(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:function(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:function(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:function(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, 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:function(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:function(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:function(path) {
return FS.stat(path, true);
},chmod:function(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:function(path, mode) {
FS.chmod(path, mode, true);
},fchmod:function(fd, mode) {
var stream = FS.getStream(fd);
if (!stream) {
throw new FS.ErrnoError(8);
}
FS.chmod(stream.node, mode);
},chown:function(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:function(path, uid, gid) {
FS.chown(path, uid, gid, true);
},fchown:function(fd, uid, gid) {
var stream = FS.getStream(fd);
if (!stream) {
throw new FS.ErrnoError(8);
}
FS.chown(stream.node, uid, gid);
},truncate:function(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:function(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:function(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:function(path, flags, mode, fd_start, fd_end) {
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)) {
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
id: node.id,
flags: flags,
mode: node.mode,
seekable: true,
position: 0,
stream_ops: node.stream_ops,
node_ops: node.node_ops,
// used by the file family libc calls (fopen, fwrite, ferror, etc.)
ungotten: [],
error: false
}, fd_start, fd_end);
// 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:function(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:function(stream) {
return stream.fd === null;
},llseek:function(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:function(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:function(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:function(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:function(stream, address, 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, address, length, position, prot, flags);
},msync:function(stream, buffer, offset, length, mmapFlags) {
if (!stream || !stream.stream_ops.msync) {
return 0;
}
return stream.stream_ops.msync(stream, buffer, offset, length, mmapFlags);
},munmap:function(stream) {
return 0;
},ioctl:function(stream, cmd, arg) {
if (!stream.stream_ops.ioctl) {
throw new FS.ErrnoError(59);
}
return stream.stream_ops.ioctl(stream, cmd, arg);
},readFile:function(path, opts) {
opts = 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:function(path, data, opts) {
opts = 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:function() {
return FS.currentPath;
},chdir:function(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:function() {
FS.mkdir('/tmp');
FS.mkdir('/home');
FS.mkdir('/home/web_user');
},createDefaultDevices:function() {
// create /dev
FS.mkdir('/dev');
// setup /dev/null
FS.registerDevice(FS.makedev(1, 3), {
read: function() { return 0; },
write: function(stream, buffer, offset, length, pos) { return 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
var random_device = getRandomDevice();
FS.createDevice('/dev', 'random', random_device);
FS.createDevice('/dev', 'urandom', random_device);
// 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:function() {
// 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: function() {
var node = FS.createNode(proc_self, 'fd', 16384 | 511 /* 0777 */, 73);
node.node_ops = {
lookup: function(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: function() { return stream.path } }
};
ret.parent = ret; // make it look like a simple root node
return ret;
}
};
return node;
}
}, {}, '/proc/self/fd');
},createStandardStreams:function() {
// 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:function() {
if (FS.ErrnoError) return;
FS.ErrnoError = /** @this{Object} */ function ErrnoError(errno, node) {
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(function(code) {
FS.genericErrors[code] = new FS.ErrnoError(code);
FS.genericErrors[code].stack = '<generic error, no stack>';
});
},staticInit:function() {
FS.ensureErrnoError();
FS.nameTable = new Array(4096);
FS.mount(MEMFS, {}, '/');
FS.createDefaultDirectories();
FS.createDefaultDevices();
FS.createSpecialDirectories();
FS.filesystems = {
'MEMFS': MEMFS,
'IDBFS': IDBFS,
};
},init:function(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:function() {
FS.init.initialized = false;
// force-flush all streams, so we get musl std streams printed out
var fflush = Module['_fflush'];
if (fflush) 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);
}
},getMode:function(canRead, canWrite) {
var mode = 0;
if (canRead) mode |= 292 | 73;
if (canWrite) mode |= 146;
return mode;
},findObject:function(path, dontResolveLastLink) {
var ret = FS.analyzePath(path, dontResolveLastLink);
if (ret.exists) {
return ret.object;
} else {
return null;
}
},analyzePath:function(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:function(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:function(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:function(parent, name, data, canRead, canWrite, canOwn) {
var path = name ? PATH.join2(typeof parent === 'string' ? parent : FS.getPath(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:function(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: function(stream) {
stream.seekable = false;
},
close: function(stream) {
// flush any pending line data
if (output && output.buffer && output.buffer.length) {
output(10);
}
},
read: function(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: function(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:function(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:function(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 = (function(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.
if (typeof Uint8Array != 'undefined') 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 || []));
} else {
return intArrayFromString(xhr.responseText || '', true);
}
});
var lazyArray = this;
lazyArray.setDataGetter(function(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(function(key) {
var fn = node.stream_ops[key];
stream_ops[key] = function forceLoadLazyFile() {
FS.forceLoadFile(node);
return fn.apply(null, arguments);
};
});
// use a custom read function
stream_ops.read = function stream_ops_read(stream, buffer, offset, length, position) {
FS.forceLoadFile(node);
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;
};
node.stream_ops = stream_ops;
return node;
},createPreloadedFile:function(parent, name, url, canRead, canWrite, onload, onerror, dontCreateFile, canOwn, preFinish) {
Browser.init(); // XXX perhaps this method should move onto Browser?
// 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);
}
var handled = false;
Module['preloadPlugins'].forEach(function(plugin) {
if (handled) return;
if (plugin['canHandle'](fullname)) {
plugin['handle'](byteArray, fullname, finish, function() {
if (onerror) onerror();
removeRunDependency(dep);
});
handled = true;
}
});
if (!handled) finish(byteArray);
}
addRunDependency(dep);
if (typeof url == 'string') {
asyncLoad(url, function(byteArray) {
processData(byteArray);
}, onerror);
} else {
processData(url);
}
},indexedDB:function() {
return window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB;
},DB_NAME:function() {
return 'EM_FS_' + window.location.pathname;
},DB_VERSION:20,DB_STORE_NAME:"FILE_DATA",saveFilesToDB:function(paths, onload, onerror) {
onload = onload || function(){};
onerror = onerror || function(){};
var indexedDB = FS.indexedDB();
try {
var openRequest = indexedDB.open(FS.DB_NAME(), FS.DB_VERSION);
} catch (e) {
return onerror(e);
}
openRequest.onupgradeneeded = function openRequest_onupgradeneeded() {
out('creating db');
var db = openRequest.result;
db.createObjectStore(FS.DB_STORE_NAME);
};
openRequest.onsuccess = function openRequest_onsuccess() {
var db = openRequest.result;
var transaction = db.transaction([FS.DB_STORE_NAME], 'readwrite');
var files = transaction.objectStore(FS.DB_STORE_NAME);
var ok = 0, fail = 0, total = paths.length;
function finish() {
if (fail == 0) onload(); else onerror();
}
paths.forEach(function(path) {
var putRequest = files.put(FS.analyzePath(path).object.contents, path);
putRequest.onsuccess = function putRequest_onsuccess() { ok++; if (ok + fail == total) finish() };
putRequest.onerror = function putRequest_onerror() { fail++; if (ok + fail == total) finish() };
});
transaction.onerror = onerror;
};
openRequest.onerror = onerror;
},loadFilesFromDB:function(paths, onload, onerror) {
onload = onload || function(){};
onerror = onerror || function(){};
var indexedDB = FS.indexedDB();
try {
var openRequest = indexedDB.open(FS.DB_NAME(), FS.DB_VERSION);
} catch (e) {
return onerror(e);
}
openRequest.onupgradeneeded = onerror; // no database to load from
openRequest.onsuccess = function openRequest_onsuccess() {
var db = openRequest.result;
try {
var transaction = db.transaction([FS.DB_STORE_NAME], 'readonly');
} catch(e) {
onerror(e);
return;
}
var files = transaction.objectStore(FS.DB_STORE_NAME);
var ok = 0, fail = 0, total = paths.length;
function finish() {
if (fail == 0) onload(); else onerror();
}
paths.forEach(function(path) {
var getRequest = files.get(path);
getRequest.onsuccess = function getRequest_onsuccess() {
if (FS.analyzePath(path).exists) {
FS.unlink(path);
}
FS.createDataFile(PATH.dirname(path), PATH.basename(path), getRequest.result, true, true, true);
ok++;
if (ok + fail == total) finish();
};
getRequest.onerror = function getRequest_onerror() { fail++; if (ok + fail == total) finish() };
});
transaction.onerror = onerror;
};
openRequest.onerror = onerror;
},absolutePath:function() {
abort('FS.absolutePath has been removed; use PATH_FS.resolve instead');
},createFolder:function() {
abort('FS.createFolder has been removed; use FS.mkdir instead');
},createLink:function() {
abort('FS.createLink has been removed; use FS.symlink instead');
},joinPath:function() {
abort('FS.joinPath has been removed; use PATH.join instead');
},mmapAlloc:function() {
abort('FS.mmapAlloc has been replaced by the top level function mmapAlloc');
},standardizePath:function() {
abort('FS.standardizePath has been removed; use PATH.normalize instead');
}};
var SYSCALLS = {mappings:{},DEFAULT_POLLMASK:5,calculateAt:function(dirfd, path, allowEmpty) {
if (path[0] === '/') {
return path;
}
// relative path
var dir;
if (dirfd === -100) {
dir = FS.cwd();
} else {
var dirstream = FS.getStream(dirfd);
if (!dirstream) throw new FS.ErrnoError(8);
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)+(4))>>2)] = 0;
HEAP32[(((buf)+(8))>>2)] = stat.ino;
HEAP32[(((buf)+(12))>>2)] = stat.mode;
HEAP32[(((buf)+(16))>>2)] = stat.nlink;
HEAP32[(((buf)+(20))>>2)] = stat.uid;
HEAP32[(((buf)+(24))>>2)] = stat.gid;
HEAP32[(((buf)+(28))>>2)] = stat.rdev;
HEAP32[(((buf)+(32))>>2)] = 0;
(tempI64 = [stat.size>>>0,(tempDouble=stat.size,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? ((Math.min((+(Math.floor((tempDouble)/4294967296.0))), 4294967295.0))|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;
HEAP32[(((buf)+(56))>>2)] = (stat.atime.getTime() / 1000)|0;
HEAP32[(((buf)+(60))>>2)] = 0;
HEAP32[(((buf)+(64))>>2)] = (stat.mtime.getTime() / 1000)|0;
HEAP32[(((buf)+(68))>>2)] = 0;
HEAP32[(((buf)+(72))>>2)] = (stat.ctime.getTime() / 1000)|0;
HEAP32[(((buf)+(76))>>2)] = 0;
(tempI64 = [stat.ino>>>0,(tempDouble=stat.ino,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? ((Math.min((+(Math.floor((tempDouble)/4294967296.0))), 4294967295.0))|0)>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)],HEAP32[(((buf)+(80))>>2)] = tempI64[0],HEAP32[(((buf)+(84))>>2)] = tempI64[1]);
return 0;
},doMsync:function(addr, stream, len, flags, offset) {
var buffer = HEAPU8.slice(addr, addr + len);
FS.msync(stream, buffer, offset, len, flags);
},doMkdir:function(path, mode) {
// remove a trailing slash, if one - /a/b/ has basename of '', but
// we want to create b in the context of this function
path = PATH.normalize(path);
if (path[path.length-1] === '/') path = path.substr(0, path.length-1);
FS.mkdir(path, mode, 0);
return 0;
},doMknod:function(path, mode, dev) {
// we don't want this in the JS API as it uses mknod to create all nodes.
switch (mode & 61440) {
case 32768:
case 8192:
case 24576:
case 4096:
case 49152:
break;
default: return -28;
}
FS.mknod(path, mode, dev);
return 0;
},doReadlink:function(path, buf, bufsize) {
if (bufsize <= 0) return -28;
var ret = FS.readlink(path);
var len = Math.min(bufsize, lengthBytesUTF8(ret));
var endChar = HEAP8[buf+len];
stringToUTF8(ret, buf, bufsize+1);
// readlink is one of the rare functions that write out a C string, but does never append a null to the output buffer(!)
// stringToUTF8() always appends a null byte, so restore the character under the null byte after the write.
HEAP8[buf+len] = endChar;
return len;
},doAccess:function(path, amode) {
if (amode & ~7) {
// need a valid mode
return -28;
}
var lookup = FS.lookupPath(path, { follow: true });
var node = lookup.node;
if (!node) {
return -44;
}
var perms = '';
if (amode & 4) perms += 'r';
if (amode & 2) perms += 'w';
if (amode & 1) perms += 'x';
if (perms /* otherwise, they've just passed F_OK */ && FS.nodePermissions(node, perms)) {
return -2;
}
return 0;
},doDup:function(path, flags, suggestFD) {
var suggest = FS.getStream(suggestFD);
if (suggest) FS.close(suggest);
return FS.open(path, flags, 0, suggestFD, suggestFD).fd;
},doReadv:function(stream, iov, iovcnt, offset) {
var ret = 0;
for (var i = 0; i < iovcnt; i++) {
var ptr = HEAP32[(((iov)+(i*8))>>2)];
var len = HEAP32[(((iov)+(i*8 + 4))>>2)];
var curr = FS.read(stream, HEAP8,ptr, len, offset);
if (curr < 0) return -1;
ret += curr;
if (curr < len) break; // nothing more to read
}
return ret;
},doWritev:function(stream, iov, iovcnt, offset) {
var ret = 0;
for (var i = 0; i < iovcnt; i++) {
var ptr = HEAP32[(((iov)+(i*8))>>2)];
var len = HEAP32[(((iov)+(i*8 + 4))>>2)];
var curr = FS.write(stream, HEAP8,ptr, len, offset);
if (curr < 0) return -1;
ret += curr;
}
return ret;
},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;
},get64:function(low, high) {
if (low >= 0) assert(high === 0);
else assert(high === -1);
return low;
}};
function ___syscall_chdir(path) {try {
path = SYSCALLS.getStr(path);
FS.chdir(path);
return 0;
} catch (e) {
if (typeof FS === 'undefined' || !(e instanceof FS.ErrnoError)) throw e;
return -e.errno;
}
}
function ___syscall_dup3(fd, suggestFD, flags) {try {
var old = SYSCALLS.getStreamFromFD(fd);
assert(!flags);
if (old.fd === suggestFD) return -28;
return SYSCALLS.doDup(old.path, old.flags, suggestFD);
} catch (e) {
if (typeof FS === 'undefined' || !(e instanceof FS.ErrnoError)) throw e;
return -e.errno;
}
}
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.open(stream.path, stream.flags, 0, 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 fnctl() returns that, and we set errno ourselves.
setErrNo(28);
return -1;
default: {
return -28;
}
}
} catch (e) {
if (typeof FS === 'undefined' || !(e instanceof FS.ErrnoError)) throw e;
return -e.errno;
}
}
function ___syscall_fstat64(fd, buf) {try {
var stream = SYSCALLS.getStreamFromFD(fd);
return SYSCALLS.doStat(FS.stat, stream.path, buf);
} catch (e) {
if (typeof FS === 'undefined' || !(e instanceof FS.ErrnoError)) throw e;
return -e.errno;
}
}
function ___syscall_fstatat64(dirfd, path, buf, flags) {try {
path = SYSCALLS.getStr(path);
var nofollow = flags & 256;
var allowEmpty = flags & 4096;
flags = flags & (~4352);
assert(!flags, flags);
path = SYSCALLS.calculateAt(dirfd, path, allowEmpty);
return SYSCALLS.doStat(nofollow ? FS.lstat : FS.stat, path, buf);
} catch (e) {
if (typeof FS === 'undefined' || !(e instanceof FS.ErrnoError)) throw e;
return -e.errno;
}
}
function ___syscall_ftruncate64(fd, low, high) {try {
var length = SYSCALLS.get64(low, high);
FS.ftruncate(fd, length);
return 0;
} catch (e) {
if (typeof FS === 'undefined' || !(e instanceof FS.ErrnoError)) throw e;
return -e.errno;
}
}
function ___syscall_getcwd(buf, size) {try {
if (size === 0) return -28;
var cwd = FS.cwd();
var cwdLengthInBytes = lengthBytesUTF8(cwd);
if (size < cwdLengthInBytes + 1) return -68;
stringToUTF8(cwd, buf, size);
return buf;
} catch (e) {
if (typeof FS === 'undefined' || !(e instanceof FS.ErrnoError)) throw e;
return -e.errno;
}
}
function ___syscall_getdents64(fd, dirp, count) {try {
var stream = SYSCALLS.getStreamFromFD(fd)
if (!stream.getdents) {
stream.getdents = FS.readdir(stream.path);
}
var struct_size = 280;
var pos = 0;
var off = FS.llseek(stream, 0, 1);
var idx = Math.floor(off / struct_size);
while (idx < stream.getdents.length && pos + struct_size <= count) {
var id;
var type;
var name = stream.getdents[idx];
if (name === '.') {
id = stream.id;
type = 4; // DT_DIR
}
else if (name === '..') {
var lookup = FS.lookupPath(stream.path, { parent: true });
id = lookup.node.id;
type = 4; // DT_DIR
}
else {
var child = FS.lookupNode(stream, name);
id = child.id;
type = FS.isChrdev(child.mode) ? 2 : // DT_CHR, character device.
FS.isDir(child.mode) ? 4 : // DT_DIR, directory.
FS.isLink(child.mode) ? 10 : // DT_LNK, symbolic link.
8; // DT_REG, regular file.
}
assert(id);
(tempI64 = [id>>>0,(tempDouble=id,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? ((Math.min((+(Math.floor((tempDouble)/4294967296.0))), 4294967295.0))|0)>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)],HEAP32[((dirp + pos)>>2)] = tempI64[0],HEAP32[(((dirp + pos)+(4))>>2)] = tempI64[1]);
(tempI64 = [(idx + 1) * struct_size>>>0,(tempDouble=(idx + 1) * struct_size,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? ((Math.min((+(Math.floor((tempDouble)/4294967296.0))), 4294967295.0))|0)>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)],HEAP32[(((dirp + pos)+(8))>>2)] = tempI64[0],HEAP32[(((dirp + pos)+(12))>>2)] = tempI64[1]);
HEAP16[(((dirp + pos)+(16))>>1)] = 280;
HEAP8[(((dirp + pos)+(18))>>0)] = type;
stringToUTF8(name, dirp + pos + 19, 256);
pos += struct_size;
idx += 1;
}
FS.llseek(stream, idx * struct_size, 0);
return pos;
} catch (e) {
if (typeof FS === 'undefined' || !(e instanceof FS.ErrnoError)) throw e;
return -e.errno;
}
}
function ___syscall_ioctl(fd, op, varargs) {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: abort('bad ioctl syscall ' + op);
}
} catch (e) {
if (typeof FS === 'undefined' || !(e instanceof FS.ErrnoError)) throw e;
return -e.errno;
}
}
function ___syscall_lstat64(path, buf) {try {
path = SYSCALLS.getStr(path);
return SYSCALLS.doStat(FS.lstat, path, buf);
} catch (e) {
if (typeof FS === 'undefined' || !(e instanceof FS.ErrnoError)) throw e;
return -e.errno;
}
}
function ___syscall_mkdir(path, mode) {try {
path = SYSCALLS.getStr(path);
return SYSCALLS.doMkdir(path, mode);
} catch (e) {
if (typeof FS === 'undefined' || !(e instanceof FS.ErrnoError)) throw e;
return -e.errno;
}
}
function ___syscall_open(path, flags, varargs) {SYSCALLS.varargs = varargs;
try {
var pathname = SYSCALLS.getStr(path);
var mode = varargs ? SYSCALLS.get() : 0;
var stream = FS.open(pathname, flags, mode);
return stream.fd;
} catch (e) {
if (typeof FS === 'undefined' || !(e instanceof FS.ErrnoError)) throw e;
return -e.errno;
}
}
function ___syscall_readlink(path, buf, bufsize) {try {
path = SYSCALLS.getStr(path);
return SYSCALLS.doReadlink(path, buf, bufsize);
} catch (e) {
if (typeof FS === 'undefined' || !(e instanceof FS.ErrnoError)) throw e;
return -e.errno;
}
}
function ___syscall_rename(old_path, new_path) {try {
old_path = SYSCALLS.getStr(old_path);
new_path = SYSCALLS.getStr(new_path);
FS.rename(old_path, new_path);
return 0;
} catch (e) {
if (typeof FS === 'undefined' || !(e instanceof FS.ErrnoError)) throw e;
return -e.errno;
}
}
function ___syscall_rmdir(path) {try {
path = SYSCALLS.getStr(path);
FS.rmdir(path);
return 0;
} catch (e) {
if (typeof FS === 'undefined' || !(e instanceof FS.ErrnoError)) throw e;
return -e.errno;
}
}
function ___syscall_stat64(path, buf) {try {
path = SYSCALLS.getStr(path);
return SYSCALLS.doStat(FS.stat, path, buf);
} catch (e) {
if (typeof FS === 'undefined' || !(e instanceof FS.ErrnoError)) throw e;
return -e.errno;
}
}
function ___syscall_unlink(path) {try {
path = SYSCALLS.getStr(path);
FS.unlink(path);
return 0;
} catch (e) {
if (typeof FS === 'undefined' || !(e instanceof FS.ErrnoError)) throw e;
return -e.errno;
}
}
function __dlopen_js(filename, flag) {
abort("To use dlopen, you need to use Emscripten's linking support, see https://github.com/emscripten-core/emscripten/wiki/Linking");
}
function __dlsym_js(handle, symbol) {
abort("To use dlopen, you need to use Emscripten's linking support, see https://github.com/emscripten-core/emscripten/wiki/Linking");
}
function __emscripten_throw_longjmp() { throw 'longjmp'; }
function _abort() {
abort('native code called abort()');
}
function _atexit(func, arg) {
}
function _clock() {
if (_clock.start === undefined) _clock.start = Date.now();
return ((Date.now() - _clock.start) * (1000000 / 1000))|0;
}
function _difftime(time1, time0) {
return time1 - time0;
}
var readAsmConstArgsArray = [];
function readAsmConstArgs(sigPtr, buf) {
;
// Nobody should have mutated _readAsmConstArgsArray underneath us to be something else than an array.
assert(Array.isArray(readAsmConstArgsArray));
// The input buffer is allocated on the stack, so it must be stack-aligned.
assert(buf % 16 == 0);
readAsmConstArgsArray.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++]) {
assert(ch === 100/*'d'*/ || ch === 102/*'f'*/ || ch === 105 /*'i'*/);
// A double takes two 32-bit slots, and must also be aligned - the backend
// will emit padding to avoid that.
var readAsmConstArgsDouble = ch < 105;
if (readAsmConstArgsDouble && (buf & 1)) buf++;
readAsmConstArgsArray.push(readAsmConstArgsDouble ? HEAPF64[buf++ >> 1] : HEAP32[buf]);
++buf;
}
return readAsmConstArgsArray;
}
function _emscripten_asm_const_int(code, sigPtr, argbuf) {
var args = readAsmConstArgs(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_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 /*EM_TIMING_SETTIMEOUT*/) {
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 /*EM_TIMING_RAF*/) {
Browser.mainLoop.scheduler = function Browser_mainLoop_scheduler_rAF() {
Browser.requestAnimationFrame(Browser.mainLoop.runner);
};
Browser.mainLoop.method = 'rAF';
} else if (mode == 2 /*EM_TIMING_SETIMMEDIATE*/) {
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';
var Browser_setImmediate_messageHandler = function(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;
}
function runtimeKeepalivePush() {
runtimeKeepaliveCounter += 1;
}
function _exit(status) {
// void _exit(int status);
// http://pubs.opengroup.org/onlinepubs/000095399/functions/exit.html
exit(status);
}
function maybeExit() {
if (!keepRuntimeAlive()) {
try {
_exit(EXITSTATUS);
} catch (e) {
handleException(e);
}
}
}
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) {
maybeExit();
return false;
}
return true;
}
// We create the loop runner here but it is not actually running until
// _emscripten_set_main_loop_timing is called (which might happen a
// later time). This member signifies that the current runner has not
// yet been started so that we can call runtimeKeepalivePush when it
// gets it timing set for the first time.
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/*EM_TIMING_RAF*/ && 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/*EM_TIMING_SETTIMEOUT*/) {
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.
GL.newRenderingFrameStarted();
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/*EM_TIMING_SETTIMEOUT*/, 1000.0 / fps);
else _emscripten_set_main_loop_timing(1/*EM_TIMING_RAF*/, 1); // Do rAF by rendering each frame (no decimating)
Browser.mainLoop.scheduler();
}
if (simulateInfiniteLoop) {
throw 'unwind';
}
}
function callUserCallback(func, synchronous) {
if (runtimeExited || ABORT) {
err('user callback triggered after runtime exited or application aborted. Ignoring.');
return;
}
// For synchronous calls, let any exceptions propagate, and don't let the runtime exit.
if (synchronous) {
func();
return;
}
try {
func();
} catch (e) {
handleException(e);
}
}
function runtimeKeepalivePop() {
assert(runtimeKeepaliveCounter > 0);
runtimeKeepaliveCounter -= 1;
}
function safeSetTimeout(func, timeout) {
return setTimeout(function() {
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 (!Module["preloadPlugins"]) Module["preloadPlugins"] = []; // needs to exist even in workers
if (Browser.initted) return;
Browser.initted = true;
try {
new Blob();
Browser.hasBlobConstructor = true;
} catch(e) {
Browser.hasBlobConstructor = false;
out("warning: no blob constructor, cannot create blobs with mimetypes");
}
Browser.BlobBuilder = typeof MozBlobBuilder != "undefined" ? MozBlobBuilder : (typeof WebKitBlobBuilder != "undefined" ? WebKitBlobBuilder : (!Browser.hasBlobConstructor ? out("warning: no BlobBuilder") : null));
Browser.URLObject = typeof window != "undefined" ? (window.URL ? window.URL : window.webkitURL) : undefined;
if (!Module.noImageDecoding && typeof Browser.URLObject === 'undefined') {
out("warning: Browser does not support creating object URLs. Built-in browser image decoding will not be available.");
Module.noImageDecoding = true;
}
// Support for plugins that can process preloaded files. You can add more of these to
// your app by creating and appending to Module.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 = null;
if (Browser.hasBlobConstructor) {
try {
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) });
}
} catch(e) {
warnOnce('Blob constructor present but fails: ' + e + '; falling back to blob builder');
}
}
if (!b) {
var bb = new Browser.BlobBuilder();
bb.append((new Uint8Array(byteArray)).buffer); // we need to pass a buffer, and must copy the array to get the right data range
b = bb.getBlob();
}
var url = Browser.URLObject.createObjectURL(b);
assert(typeof url == 'string', 'createObjectURL must return a url as a string');
var img = new Image();
img.onload = function img_onload() {
assert(img.complete, 'Image ' + name + ' could not be decoded');
var canvas = document.createElement('canvas');
canvas.width = img.width;
canvas.height = img.height;
var ctx = canvas.getContext('2d');
ctx.drawImage(img, 0, 0);
Module["preloadedImages"][name] = canvas;
Browser.URLObject.revokeObjectURL(url);
if (onload) onload(byteArray);
};
img.onerror = function img_onerror(event) {
out('Image ' + url + ' could not be decoded');
if (onerror) onerror();
};
img.src = url;
};
Module['preloadPlugins'].push(imagePlugin);
var audioPlugin = {};
audioPlugin['canHandle'] = function audioPlugin_canHandle(name) {
return !Module.noAudioDecoding && name.substr(-4) in { '.ogg': 1, '.wav': 1, '.mp3': 1 };
};
audioPlugin['handle'] = function audioPlugin_handle(byteArray, name, onload, onerror) {
var done = false;
function finish(audio) {
if (done) return;
done = true;
Module["preloadedAudios"][name] = audio;
if (onload) onload(byteArray);
}
function fail() {
if (done) return;
done = true;
Module["preloadedAudios"][name] = new Audio(); // empty shim
if (onerror) onerror();
}
if (Browser.hasBlobConstructor) {
try {
var b = new Blob([byteArray], { type: Browser.getMimetype(name) });
} catch(e) {
return fail();
}
var url = Browser.URLObject.createObjectURL(b); // XXX we never revoke this!
assert(typeof url == 'string', 'createObjectURL must return a url as a string');
var audio = new Audio();
audio.addEventListener('canplaythrough', function() { finish(audio) }, false); // use addEventListener due to chromium bug 124926
audio.onerror = function audio_onerror(event) {
if (done) return;
out('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(function() {
finish(audio); // try to use it even though it is not necessarily ready to play
}, 10000);
} else {
return fail();
}
};
Module['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'] ||
function(){};
canvas.exitPointerLock = document['exitPointerLock'] ||
document['mozExitPointerLock'] ||
document['webkitExitPointerLock'] ||
document['msExitPointerLock'] ||
function(){}; // 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", function(ev) {
if (!Browser.pointerLock && Module['canvas'].requestPointerLock) {
Module['canvas'].requestPointerLock();
ev.preventDefault();
}
}, false);
}
}
},createContext:function(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: (typeof WebGL2RenderingContext !== 'undefined') ? 2 : 1,
};
if (webGLContextAttributes) {
for (var attribute in webGLContextAttributes) {
contextAttributes[attribute] = webGLContextAttributes[attribute];
}
}
// This check of existence of GL is here to satisfy Closure compiler, which yells if variable GL is referenced below but GL object is not
// actually compiled in because application is not doing any GL operations. TODO: Ideally if GL is not being used, this function
// Browser.createContext() should not even be emitted.
if (typeof GL !== 'undefined') {
contextHandle = GL.createContext(canvas, contextAttributes);
if (contextHandle) {
ctx = GL.getContext(contextHandle).GLctx;
}
}
} else {
ctx = canvas.getContext('2d');
}
if (!ctx) return null;
if (setInModule) {
if (!useWebGL) assert(typeof GLctx === 'undefined', 'cannot set in module if GLctx is used, but we are a non-GL context that would replace it');
Module.ctx = ctx;
if (useWebGL) GL.makeContextCurrent(contextHandle);
Module.useWebGL = useWebGL;
Browser.moduleContextCreatedCallbacks.forEach(function(callback) { callback() });
Browser.init();
}
return ctx;
},destroyContext:function(canvas, useWebGL, setInModule) {},fullscreenHandlersInstalled:false,lockPointer:undefined,resizeCanvas:undefined,requestFullscreen:function(lockPointer, resizeCanvas) {
Browser.lockPointer = lockPointer;
Browser.resizeCanvas = resizeCanvas;
if (typeof Browser.lockPointer === 'undefined') Browser.lockPointer = true;
if (typeof Browser.resizeCanvas === 'undefined') Browser.resizeCanvas = false;
var canvas = Module['canvas'];
function fullscreenChange() {
Browser.isFullscreen = false;
var canvasContainer = canvas.parentNode;
if ((document['fullscreenElement'] || document['mozFullScreenElement'] ||
document['msFullscreenElement'] || document['webkitFullscreenElement'] ||
document['webkitCurrentFullScreenElement']) === canvasContainer) {
canvas.exitFullscreen = Browser.exitFullscreen;
if (Browser.lockPointer) canvas.requestPointerLock();
Browser.isFullscreen = true;
if (Browser.resizeCanvas) {
Browser.setFullscreenCanvasSize();
} else {
Browser.updateCanvasDimensions(canvas);
}
} else {
// 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'] ? function() { canvasContainer['webkitRequestFullscreen'](Element['ALLOW_KEYBOARD_INPUT']) } : null) ||
(canvasContainer['webkitRequestFullScreen'] ? function() { 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'] ||
(function() {});
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) {
// Legacy function, this is used by the SDL2 port so we need to keep it
// around at least until that is updated.
return safeSetTimeout(func);
},safeRequestAnimationFrame:function(func) {
return Browser.requestAnimationFrame(function() {
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(function(listener) {
listener(canvas.width, canvas.height);
});
},setCanvasSize:function(width, height, noUpdates) {
var canvas = Module['canvas'];
Browser.updateCanvasDimensions(canvas, width, height);
if (!noUpdates) Browser.updateResizeListeners();
},windowedWidth:0,windowedHeight:0,setFullscreenCanvasSize:function() {
// 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");
}
}
}
}};
function _emscripten_cancel_main_loop() {
Browser.mainLoop.pause();
Browser.mainLoop.func = null;
}
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) {
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--);
}
}
}
},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
;
}};
function fillFullscreenChangeEventData(eventStruct) {
var fullscreenElement = document.fullscreenElement || document.mozFullScreenElement || document.webkitFullscreenElement || document.msFullscreenElement;
var isFullscreen = !!fullscreenElement;
/** @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 _emscripten_get_fullscreen_status(fullscreenStatus) {
if (!JSEvents.fullscreenEnabled()) return -1;
fillFullscreenChangeEventData(fullscreenStatus);
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_heap_max() {
// Handle the case of 4GB (which would wrap to 0 in the return value) by
// returning up to 4GB - one wasm page.
return 2147483648;
}
function __webgl_enable_ANGLE_instanced_arrays(ctx) {
// Extension available in WebGL 1 from Firefox 26 and Google Chrome 30 onwards. Core feature in WebGL 2.
var ext = ctx.getExtension('ANGLE_instanced_arrays');
if (ext) {
ctx['vertexAttribDivisor'] = function(index, divisor) { ext['vertexAttribDivisorANGLE'](index, divisor); };
ctx['drawArraysInstanced'] = function(mode, first, count, primcount) { ext['drawArraysInstancedANGLE'](mode, first, count, primcount); };
ctx['drawElementsInstanced'] = function(mode, count, type, indices, primcount) { ext['drawElementsInstancedANGLE'](mode, count, type, indices, primcount); };
return 1;
}
}
function __webgl_enable_OES_vertex_array_object(ctx) {
// Extension available in WebGL 1 from Firefox 25 and WebKit 536.28/desktop Safari 6.0.3 onwards. Core feature in WebGL 2.
var ext = ctx.getExtension('OES_vertex_array_object');
if (ext) {
ctx['createVertexArray'] = function() { return ext['createVertexArrayOES'](); };
ctx['deleteVertexArray'] = function(vao) { ext['deleteVertexArrayOES'](vao); };
ctx['bindVertexArray'] = function(vao) { ext['bindVertexArrayOES'](vao); };
ctx['isVertexArray'] = function(vao) { return ext['isVertexArrayOES'](vao); };
return 1;
}
}
function __webgl_enable_WEBGL_draw_buffers(ctx) {
// Extension available in WebGL 1 from Firefox 28 onwards. Core feature in WebGL 2.
var ext = ctx.getExtension('WEBGL_draw_buffers');
if (ext) {
ctx['drawBuffers'] = function(n, bufs) { ext['drawBuffersWEBGL'](n, bufs); };
return 1;
}
}
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:[],mappedBuffers:{},programs:[],framebuffers:[],renderbuffers:[],textures:[],shaders:[],vaos:[],contexts:[],offscreenCanvases:{},queries:[],samplers:[],transformFeedbacks:[],syncs:[],byteSizeByTypeRoot:5120,byteSizeByType:[1,1,2,2,4,4,4,2,3,4,8],stringCache:{},stringiCache:{},unpackAlignment:4,recordError:function recordError(errorCode) {
if (!GL.lastError) {
GL.lastError = errorCode;
}
},getNewId:function(table) {
var ret = GL.counter++;
for (var i = table.length; i < ret; i++) {
table[i] = null;
}
return ret;
},MAX_TEMP_BUFFER_SIZE:2097152,numTempVertexBuffersPerSize:64,log2ceilLookup:function(i) {
return 32 - Math.clz32(i === 0 ? 0 : i - 1);
},generateTempBuffers:function(quads, context) {
var largestIndex = GL.log2ceilLookup(GL.MAX_TEMP_BUFFER_SIZE);
context.tempVertexBufferCounters1 = [];
context.tempVertexBufferCounters2 = [];
context.tempVertexBufferCounters1.length = context.tempVertexBufferCounters2.length = largestIndex+1;
context.tempVertexBuffers1 = [];
context.tempVertexBuffers2 = [];
context.tempVertexBuffers1.length = context.tempVertexBuffers2.length = largestIndex+1;
context.tempIndexBuffers = [];
context.tempIndexBuffers.length = largestIndex+1;
for (var i = 0; i <= largestIndex; ++i) {
context.tempIndexBuffers[i] = null; // Created on-demand
context.tempVertexBufferCounters1[i] = context.tempVertexBufferCounters2[i] = 0;
var ringbufferLength = GL.numTempVertexBuffersPerSize;
context.tempVertexBuffers1[i] = [];
context.tempVertexBuffers2[i] = [];
var ringbuffer1 = context.tempVertexBuffers1[i];
var ringbuffer2 = context.tempVertexBuffers2[i];
ringbuffer1.length = ringbuffer2.length = ringbufferLength;
for (var j = 0; j < ringbufferLength; ++j) {
ringbuffer1[j] = ringbuffer2[j] = null; // Created on-demand
}
}
if (quads) {
// GL_QUAD indexes can be precalculated
context.tempQuadIndexBuffer = GLctx.createBuffer();
context.GLctx.bindBuffer(0x8893 /*GL_ELEMENT_ARRAY_BUFFER*/, context.tempQuadIndexBuffer);
var numIndexes = GL.MAX_TEMP_BUFFER_SIZE >> 1;
var quadIndexes = new Uint16Array(numIndexes);
var i = 0, v = 0;
while (1) {
quadIndexes[i++] = v;
if (i >= numIndexes) break;
quadIndexes[i++] = v+1;
if (i >= numIndexes) break;
quadIndexes[i++] = v+2;
if (i >= numIndexes) break;
quadIndexes[i++] = v;
if (i >= numIndexes) break;
quadIndexes[i++] = v+2;
if (i >= numIndexes) break;
quadIndexes[i++] = v+3;
if (i >= numIndexes) break;
v += 4;
}
context.GLctx.bufferData(0x8893 /*GL_ELEMENT_ARRAY_BUFFER*/, quadIndexes, 0x88E4 /*GL_STATIC_DRAW*/);
context.GLctx.bindBuffer(0x8893 /*GL_ELEMENT_ARRAY_BUFFER*/, null);
}
},getTempVertexBuffer:function getTempVertexBuffer(sizeBytes) {
var idx = GL.log2ceilLookup(sizeBytes);
var ringbuffer = GL.currentContext.tempVertexBuffers1[idx];
var nextFreeBufferIndex = GL.currentContext.tempVertexBufferCounters1[idx];
GL.currentContext.tempVertexBufferCounters1[idx] = (GL.currentContext.tempVertexBufferCounters1[idx]+1) & (GL.numTempVertexBuffersPerSize-1);
var vbo = ringbuffer[nextFreeBufferIndex];
if (vbo) {
return vbo;
}
var prevVBO = GLctx.getParameter(0x8894 /*GL_ARRAY_BUFFER_BINDING*/);
ringbuffer[nextFreeBufferIndex] = GLctx.createBuffer();
GLctx.bindBuffer(0x8892 /*GL_ARRAY_BUFFER*/, ringbuffer[nextFreeBufferIndex]);
GLctx.bufferData(0x8892 /*GL_ARRAY_BUFFER*/, 1 << idx, 0x88E8 /*GL_DYNAMIC_DRAW*/);
GLctx.bindBuffer(0x8892 /*GL_ARRAY_BUFFER*/, prevVBO);
return ringbuffer[nextFreeBufferIndex];
},getTempIndexBuffer:function getTempIndexBuffer(sizeBytes) {
var idx = GL.log2ceilLookup(sizeBytes);
var ibo = GL.currentContext.tempIndexBuffers[idx];
if (ibo) {
return ibo;
}
var prevIBO = GLctx.getParameter(0x8895 /*ELEMENT_ARRAY_BUFFER_BINDING*/);
GL.currentContext.tempIndexBuffers[idx] = GLctx.createBuffer();
GLctx.bindBuffer(0x8893 /*GL_ELEMENT_ARRAY_BUFFER*/, GL.currentContext.tempIndexBuffers[idx]);
GLctx.bufferData(0x8893 /*GL_ELEMENT_ARRAY_BUFFER*/, 1 << idx, 0x88E8 /*GL_DYNAMIC_DRAW*/);
GLctx.bindBuffer(0x8893 /*GL_ELEMENT_ARRAY_BUFFER*/, prevIBO);
return GL.currentContext.tempIndexBuffers[idx];
},newRenderingFrameStarted:function newRenderingFrameStarted() {
if (!GL.currentContext) {
return;
}
var vb = GL.currentContext.tempVertexBuffers1;
GL.currentContext.tempVertexBuffers1 = GL.currentContext.tempVertexBuffers2;
GL.currentContext.tempVertexBuffers2 = vb;
vb = GL.currentContext.tempVertexBufferCounters1;
GL.currentContext.tempVertexBufferCounters1 = GL.currentContext.tempVertexBufferCounters2;
GL.currentContext.tempVertexBufferCounters2 = vb;
var largestIndex = GL.log2ceilLookup(GL.MAX_TEMP_BUFFER_SIZE);
for (var i = 0; i <= largestIndex; ++i) {
GL.currentContext.tempVertexBufferCounters1[i] = 0;
}
},getSource:function(shader, count, string, length) {
var source = '';
for (var i = 0; i < count; ++i) {
var len = length ? HEAP32[(((length)+(i*4))>>2)] : -1;
source += UTF8ToString(HEAP32[(((string)+(i*4))>>2)], len < 0 ? undefined : len);
}
return source;
},calcBufLength:function calcBufLength(size, type, stride, count) {
if (stride > 0) {
return count * stride; // XXXvlad this is not exactly correct I don't think
}
var typeSize = GL.byteSizeByType[type - GL.byteSizeByTypeRoot];
return size * typeSize * count;
},usedTempBuffers:[],preDrawHandleClientVertexAttribBindings:function preDrawHandleClientVertexAttribBindings(count) {
GL.resetBufferBinding = false;
// TODO: initial pass to detect ranges we need to upload, might not need an upload per attrib
for (var i = 0; i < GL.currentContext.maxVertexAttribs; ++i) {
var cb = GL.currentContext.clientBuffers[i];
if (!cb.clientside || !cb.enabled) continue;
GL.resetBufferBinding = true;
var size = GL.calcBufLength(cb.size, cb.type, cb.stride, count);
var buf = GL.getTempVertexBuffer(size);
GLctx.bindBuffer(0x8892 /*GL_ARRAY_BUFFER*/, buf);
GLctx.bufferSubData(0x8892 /*GL_ARRAY_BUFFER*/,
0,
HEAPU8.subarray(cb.ptr, cb.ptr + size));
cb.vertexAttribPointerAdaptor.call(GLctx, i, cb.size, cb.type, cb.normalized, cb.stride, 0);
}
},postDrawHandleClientVertexAttribBindings:function postDrawHandleClientVertexAttribBindings() {
if (GL.resetBufferBinding) {
GLctx.bindBuffer(0x8892 /*GL_ARRAY_BUFFER*/, GL.buffers[GLctx.currentArrayBufferBinding]);
}
},createContext:function(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;
canvas.getContext = function(ver, attrs) {
var gl = canvas.getContextSafariWebGL2Fixed(ver, attrs);
return ((ver == 'webgl') == (gl instanceof WebGLRenderingContext)) ? gl : null;
}
}
var ctx =
(webGLContextAttributes.majorVersion > 1)
?
canvas.getContext("webgl2", webGLContextAttributes)
:
(canvas.getContext("webgl", webGLContextAttributes)
// https://caniuse.com/#feat=webgl
);
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);
}
context.maxVertexAttribs = context.GLctx.getParameter(0x8869 /*GL_MAX_VERTEX_ATTRIBS*/);
context.clientBuffers = [];
for (var i = 0; i < context.maxVertexAttribs; i++) {
context.clientBuffers[i] = { enabled: false, clientside: false, size: 0, type: 0, normalized: 0, stride: 0, ptr: 0, vertexAttribPointerAdaptor: null };
}
GL.generateTempBuffers(false, context);
return handle;
},makeContextCurrent:function(contextHandle) {
GL.currentContext = GL.contexts[contextHandle]; // 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 only available in WebGL 1 (the calls will be no-ops if called on a WebGL 2 context active)
__webgl_enable_ANGLE_instanced_arrays(GLctx);
__webgl_enable_OES_vertex_array_object(GLctx);
__webgl_enable_WEBGL_draw_buffers(GLctx);
// 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 _emscripten_glActiveTexture(x0) { GLctx['activeTexture'](x0) }
function _emscripten_glAttachShader(program, shader) {
GLctx.attachShader(GL.programs[program], GL.shaders[shader]);
}
function _emscripten_glBeginQuery(target, id) {
GLctx['beginQuery'](target, GL.queries[id]);
}
function _emscripten_glBeginQueryEXT(target, id) {
GLctx.disjointTimerQueryExt['beginQueryEXT'](target, GL.queries[id]);
}
function _emscripten_glBeginTransformFeedback(x0) { GLctx['beginTransformFeedback'](x0) }
function _emscripten_glBindAttribLocation(program, index, name) {
GLctx.bindAttribLocation(GL.programs[program], index, UTF8ToString(name));
}
function _emscripten_glBindBuffer(target, buffer) {
if (target == 0x8892 /*GL_ARRAY_BUFFER*/) {
GLctx.currentArrayBufferBinding = buffer;
} else if (target == 0x8893 /*GL_ELEMENT_ARRAY_BUFFER*/) {
GLctx.currentElementArrayBufferBinding = 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]);
}
function _emscripten_glBindBufferBase(target, index, buffer) {
GLctx['bindBufferBase'](target, index, GL.buffers[buffer]);
}
function _emscripten_glBindBufferRange(target, index, buffer, offset, ptrsize) {
GLctx['bindBufferRange'](target, index, GL.buffers[buffer], offset, ptrsize);
}
function _emscripten_glBindFramebuffer(target, framebuffer) {
GLctx.bindFramebuffer(target, GL.framebuffers[framebuffer]);
}
function _emscripten_glBindRenderbuffer(target, renderbuffer) {
GLctx.bindRenderbuffer(target, GL.renderbuffers[renderbuffer]);
}
function _emscripten_glBindSampler(unit, sampler) {
GLctx['bindSampler'](unit, GL.samplers[sampler]);
}
function _emscripten_glBindTexture(target, texture) {
GLctx.bindTexture(target, GL.textures[texture]);
}
function _emscripten_glBindTransformFeedback(target, id) {
GLctx['bindTransformFeedback'](target, GL.transformFeedbacks[id]);
}
function _emscripten_glBindVertexArray(vao) {
GLctx['bindVertexArray'](GL.vaos[vao]);
var ibo = GLctx.getParameter(0x8895 /*ELEMENT_ARRAY_BUFFER_BINDING*/);
GLctx.currentElementArrayBufferBinding = ibo ? (ibo.name | 0) : 0;
}
function _emscripten_glBindVertexArrayOES(vao) {
GLctx['bindVertexArray'](GL.vaos[vao]);
var ibo = GLctx.getParameter(0x8895 /*ELEMENT_ARRAY_BUFFER_BINDING*/);
GLctx.currentElementArrayBufferBinding = ibo ? (ibo.name | 0) : 0;
}
function _emscripten_glBlendColor(x0, x1, x2, x3) { GLctx['blendColor'](x0, x1, x2, x3) }
function _emscripten_glBlendEquation(x0) { GLctx['blendEquation'](x0) }
function _emscripten_glBlendEquationSeparate(x0, x1) { GLctx['blendEquationSeparate'](x0, x1) }
function _emscripten_glBlendFunc(x0, x1) { GLctx['blendFunc'](x0, x1) }
function _emscripten_glBlendFuncSeparate(x0, x1, x2, x3) { GLctx['blendFuncSeparate'](x0, x1, x2, x3) }
function _emscripten_glBlitFramebuffer(x0, x1, x2, x3, x4, x5, x6, x7, x8, x9) { GLctx['blitFramebuffer'](x0, x1, x2, x3, x4, x5, x6, x7, x8, x9) }
function _emscripten_glBufferData(target, size, data, usage) {
if (GL.currentContext.version >= 2) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
if (data) {
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);
}
}
function _emscripten_glBufferSubData(target, offset, size, data) {
if (GL.currentContext.version >= 2) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
GLctx.bufferSubData(target, offset, HEAPU8, data, size);
return;
}
GLctx.bufferSubData(target, offset, HEAPU8.subarray(data, data+size));
}
function _emscripten_glCheckFramebufferStatus(x0) { return GLctx['checkFramebufferStatus'](x0) }
function _emscripten_glClear(x0) { GLctx['clear'](x0) }
function _emscripten_glClearBufferfi(x0, x1, x2, x3) { GLctx['clearBufferfi'](x0, x1, x2, x3) }
function _emscripten_glClearBufferfv(buffer, drawbuffer, value) {
GLctx['clearBufferfv'](buffer, drawbuffer, HEAPF32, value>>2);
}
function _emscripten_glClearBufferiv(buffer, drawbuffer, value) {
GLctx['clearBufferiv'](buffer, drawbuffer, HEAP32, value>>2);
}
function _emscripten_glClearBufferuiv(buffer, drawbuffer, value) {
GLctx['clearBufferuiv'](buffer, drawbuffer, HEAPU32, value>>2);
}
function _emscripten_glClearColor(x0, x1, x2, x3) { GLctx['clearColor'](x0, x1, x2, x3) }
function _emscripten_glClearDepthf(x0) { GLctx['clearDepth'](x0) }
function _emscripten_glClearStencil(x0) { GLctx['clearStencil'](x0) }
function 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;
}
function _emscripten_glClientWaitSync(sync, flags, timeoutLo, timeoutHi) {
// 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
return GLctx.clientWaitSync(GL.syncs[sync], flags, convertI32PairToI53(timeoutLo, timeoutHi));
}
function _emscripten_glColorMask(red, green, blue, alpha) {
GLctx.colorMask(!!red, !!green, !!blue, !!alpha);
}
function _emscripten_glCompileShader(shader) {
GLctx.compileShader(GL.shaders[shader]);
}
function _emscripten_glCompressedTexImage2D(target, level, internalFormat, width, height, border, imageSize, data) {
if (GL.currentContext.version >= 2) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
if (GLctx.currentPixelUnpackBufferBinding) {
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);
}
function _emscripten_glCompressedTexImage3D(target, level, internalFormat, width, height, depth, border, imageSize, data) {
if (GLctx.currentPixelUnpackBufferBinding) {
GLctx['compressedTexImage3D'](target, level, internalFormat, width, height, depth, border, imageSize, data);
} else {
GLctx['compressedTexImage3D'](target, level, internalFormat, width, height, depth, border, HEAPU8, data, imageSize);
}
}
function _emscripten_glCompressedTexSubImage2D(target, level, xoffset, yoffset, width, height, format, imageSize, data) {
if (GL.currentContext.version >= 2) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
if (GLctx.currentPixelUnpackBufferBinding) {
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);
}
function _emscripten_glCompressedTexSubImage3D(target, level, xoffset, yoffset, zoffset, width, height, depth, format, imageSize, data) {
if (GLctx.currentPixelUnpackBufferBinding) {
GLctx['compressedTexSubImage3D'](target, level, xoffset, yoffset, zoffset, width, height, depth, format, imageSize, data);
} else {
GLctx['compressedTexSubImage3D'](target, level, xoffset, yoffset, zoffset, width, height, depth, format, HEAPU8, data, imageSize);
}
}
function _emscripten_glCopyBufferSubData(x0, x1, x2, x3, x4) { GLctx['copyBufferSubData'](x0, x1, x2, x3, x4) }
function _emscripten_glCopyTexImage2D(x0, x1, x2, x3, x4, x5, x6, x7) { GLctx['copyTexImage2D'](x0, x1, x2, x3, x4, x5, x6, x7) }
function _emscripten_glCopyTexSubImage2D(x0, x1, x2, x3, x4, x5, x6, x7) { GLctx['copyTexSubImage2D'](x0, x1, x2, x3, x4, x5, x6, x7) }
function _emscripten_glCopyTexSubImage3D(x0, x1, x2, x3, x4, x5, x6, x7, x8) { GLctx['copyTexSubImage3D'](x0, x1, x2, x3, x4, x5, x6, x7, x8) }
function _emscripten_glCreateProgram() {
var id = GL.getNewId(GL.programs);
var program = GLctx.createProgram();
// 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;
}
function _emscripten_glCreateShader(shaderType) {
var id = GL.getNewId(GL.shaders);
GL.shaders[id] = GLctx.createShader(shaderType);
return id;
}
function _emscripten_glCullFace(x0) { GLctx['cullFace'](x0) }
function _emscripten_glDeleteBuffers(n, buffers) {
for (var i = 0; i < n; i++) {
var id = 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.currentArrayBufferBinding) GLctx.currentArrayBufferBinding = 0;
if (id == GLctx.currentElementArrayBufferBinding) GLctx.currentElementArrayBufferBinding = 0;
if (id == GLctx.currentPixelPackBufferBinding) GLctx.currentPixelPackBufferBinding = 0;
if (id == GLctx.currentPixelUnpackBufferBinding) GLctx.currentPixelUnpackBufferBinding = 0;
}
}
function _emscripten_glDeleteFramebuffers(n, framebuffers) {
for (var i = 0; i < n; ++i) {
var id = 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;
}
}
function _emscripten_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;
}
function _emscripten_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;
}
}
function _emscripten_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;
}
}
function _emscripten_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;
}
}
function _emscripten_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;
}
}
function _emscripten_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;
}
function _emscripten_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;
}
function _emscripten_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;
}
}
function _emscripten_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;
}
}
function _emscripten_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;
}
}
function _emscripten_glDeleteVertexArraysOES(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;
}
}
function _emscripten_glDepthFunc(x0) { GLctx['depthFunc'](x0) }
function _emscripten_glDepthMask(flag) {
GLctx.depthMask(!!flag);
}
function _emscripten_glDepthRangef(x0, x1) { GLctx['depthRange'](x0, x1) }
function _emscripten_glDetachShader(program, shader) {
GLctx.detachShader(GL.programs[program], GL.shaders[shader]);
}
function _emscripten_glDisable(x0) { GLctx['disable'](x0) }
function _emscripten_glDisableVertexAttribArray(index) {
var cb = GL.currentContext.clientBuffers[index];
cb.enabled = false;
GLctx.disableVertexAttribArray(index);
}
function _emscripten_glDrawArrays(mode, first, count) {
// bind any client-side buffers
GL.preDrawHandleClientVertexAttribBindings(first + count);
GLctx.drawArrays(mode, first, count);
GL.postDrawHandleClientVertexAttribBindings();
}
function _emscripten_glDrawArraysInstanced(mode, first, count, primcount) {
GLctx['drawArraysInstanced'](mode, first, count, primcount);
}
function _emscripten_glDrawArraysInstancedANGLE(mode, first, count, primcount) {
GLctx['drawArraysInstanced'](mode, first, count, primcount);
}
function _emscripten_glDrawArraysInstancedARB(mode, first, count, primcount) {
GLctx['drawArraysInstanced'](mode, first, count, primcount);
}
function _emscripten_glDrawArraysInstancedEXT(mode, first, count, primcount) {
GLctx['drawArraysInstanced'](mode, first, count, primcount);
}
function _emscripten_glDrawArraysInstancedNV(mode, first, count, primcount) {
GLctx['drawArraysInstanced'](mode, first, count, primcount);
}
var tempFixedLengthArray = [];
function _emscripten_glDrawBuffers(n, bufs) {
var bufArray = tempFixedLengthArray[n];
for (var i = 0; i < n; i++) {
bufArray[i] = HEAP32[(((bufs)+(i*4))>>2)];
}
GLctx['drawBuffers'](bufArray);
}
function _emscripten_glDrawBuffersEXT(n, bufs) {
var bufArray = tempFixedLengthArray[n];
for (var i = 0; i < n; i++) {
bufArray[i] = HEAP32[(((bufs)+(i*4))>>2)];
}
GLctx['drawBuffers'](bufArray);
}
function _emscripten_glDrawBuffersWEBGL(n, bufs) {
var bufArray = tempFixedLengthArray[n];
for (var i = 0; i < n; i++) {
bufArray[i] = HEAP32[(((bufs)+(i*4))>>2)];
}
GLctx['drawBuffers'](bufArray);
}
function _emscripten_glDrawElements(mode, count, type, indices) {
var buf;
if (!GLctx.currentElementArrayBufferBinding) {
var size = GL.calcBufLength(1, type, 0, count);
buf = GL.getTempIndexBuffer(size);
GLctx.bindBuffer(0x8893 /*GL_ELEMENT_ARRAY_BUFFER*/, buf);
GLctx.bufferSubData(0x8893 /*GL_ELEMENT_ARRAY_BUFFER*/,
0,
HEAPU8.subarray(indices, indices + size));
// the index is now 0
indices = 0;
}
// bind any client-side buffers
GL.preDrawHandleClientVertexAttribBindings(count);
GLctx.drawElements(mode, count, type, indices);
GL.postDrawHandleClientVertexAttribBindings(count);
if (!GLctx.currentElementArrayBufferBinding) {
GLctx.bindBuffer(0x8893 /*GL_ELEMENT_ARRAY_BUFFER*/, null);
}
}
function _emscripten_glDrawElementsInstanced(mode, count, type, indices, primcount) {
GLctx['drawElementsInstanced'](mode, count, type, indices, primcount);
}
function _emscripten_glDrawElementsInstancedANGLE(mode, count, type, indices, primcount) {
GLctx['drawElementsInstanced'](mode, count, type, indices, primcount);
}
function _emscripten_glDrawElementsInstancedARB(mode, count, type, indices, primcount) {
GLctx['drawElementsInstanced'](mode, count, type, indices, primcount);
}
function _emscripten_glDrawElementsInstancedEXT(mode, count, type, indices, primcount) {
GLctx['drawElementsInstanced'](mode, count, type, indices, primcount);
}
function _emscripten_glDrawElementsInstancedNV(mode, count, type, indices, primcount) {
GLctx['drawElementsInstanced'](mode, count, type, indices, primcount);
}
function _glDrawElements(mode, count, type, indices) {
var buf;
if (!GLctx.currentElementArrayBufferBinding) {
var size = GL.calcBufLength(1, type, 0, count);
buf = GL.getTempIndexBuffer(size);
GLctx.bindBuffer(0x8893 /*GL_ELEMENT_ARRAY_BUFFER*/, buf);
GLctx.bufferSubData(0x8893 /*GL_ELEMENT_ARRAY_BUFFER*/,
0,
HEAPU8.subarray(indices, indices + size));
// the index is now 0
indices = 0;
}
// bind any client-side buffers
GL.preDrawHandleClientVertexAttribBindings(count);
GLctx.drawElements(mode, count, type, indices);
GL.postDrawHandleClientVertexAttribBindings(count);
if (!GLctx.currentElementArrayBufferBinding) {
GLctx.bindBuffer(0x8893 /*GL_ELEMENT_ARRAY_BUFFER*/, null);
}
}
function _emscripten_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);
}
function _emscripten_glEnable(x0) { GLctx['enable'](x0) }
function _emscripten_glEnableVertexAttribArray(index) {
var cb = GL.currentContext.clientBuffers[index];
cb.enabled = true;
GLctx.enableVertexAttribArray(index);
}
function _emscripten_glEndQuery(x0) { GLctx['endQuery'](x0) }
function _emscripten_glEndQueryEXT(target) {
GLctx.disjointTimerQueryExt['endQueryEXT'](target);
}
function _emscripten_glEndTransformFeedback() { GLctx['endTransformFeedback']() }
function _emscripten_glFenceSync(condition, flags) {
var sync = GLctx.fenceSync(condition, flags);
if (sync) {
var id = GL.getNewId(GL.syncs);
sync.name = id;
GL.syncs[id] = sync;
return id;
} else {
return 0; // Failed to create a sync object
}
}
function _emscripten_glFinish() { GLctx['finish']() }
function _emscripten_glFlush() { GLctx['flush']() }
function emscriptenWebGLGetBufferBinding(target) {
switch (target) {
case 0x8892 /*GL_ARRAY_BUFFER*/: target = 0x8894 /*GL_ARRAY_BUFFER_BINDING*/; break;
case 0x8893 /*GL_ELEMENT_ARRAY_BUFFER*/: target = 0x8895 /*GL_ELEMENT_ARRAY_BUFFER_BINDING*/; break;
case 0x88EB /*GL_PIXEL_PACK_BUFFER*/: target = 0x88ED /*GL_PIXEL_PACK_BUFFER_BINDING*/; break;
case 0x88EC /*GL_PIXEL_UNPACK_BUFFER*/: target = 0x88EF /*GL_PIXEL_UNPACK_BUFFER_BINDING*/; break;
case 0x8C8E /*GL_TRANSFORM_FEEDBACK_BUFFER*/: target = 0x8C8F /*GL_TRANSFORM_FEEDBACK_BUFFER_BINDING*/; break;
case 0x8F36 /*GL_COPY_READ_BUFFER*/: target = 0x8F36 /*GL_COPY_READ_BUFFER_BINDING*/; break;
case 0x8F37 /*GL_COPY_WRITE_BUFFER*/: target = 0x8F37 /*GL_COPY_WRITE_BUFFER_BINDING*/; break;
case 0x8A11 /*GL_UNIFORM_BUFFER*/: target = 0x8A28 /*GL_UNIFORM_BUFFER_BINDING*/; break;
// In default case, fall through and assume passed one of the _BINDING enums directly.
}
var buffer = GLctx.getParameter(target);
if (buffer) return buffer.name|0;
else return 0;
}
function emscriptenWebGLValidateMapBufferTarget(target) {
switch (target) {
case 0x8892: // GL_ARRAY_BUFFER
case 0x8893: // GL_ELEMENT_ARRAY_BUFFER
case 0x8F36: // GL_COPY_READ_BUFFER
case 0x8F37: // GL_COPY_WRITE_BUFFER
case 0x88EB: // GL_PIXEL_PACK_BUFFER
case 0x88EC: // GL_PIXEL_UNPACK_BUFFER
case 0x8C2A: // GL_TEXTURE_BUFFER
case 0x8C8E: // GL_TRANSFORM_FEEDBACK_BUFFER
case 0x8A11: // GL_UNIFORM_BUFFER
return true;
default:
return false;
}
}
function _emscripten_glFlushMappedBufferRange(target, offset, length) {
if (!emscriptenWebGLValidateMapBufferTarget(target)) {
GL.recordError(0x500/*GL_INVALID_ENUM*/);
err('GL_INVALID_ENUM in glFlushMappedBufferRange');
return;
}
var mapping = GL.mappedBuffers[emscriptenWebGLGetBufferBinding(target)];
if (!mapping) {
GL.recordError(0x502 /* GL_INVALID_OPERATION */);
err('buffer was never mapped in glFlushMappedBufferRange');
return;
}
if (!(mapping.access & 0x10)) {
GL.recordError(0x502 /* GL_INVALID_OPERATION */);
err('buffer was not mapped with GL_MAP_FLUSH_EXPLICIT_BIT in glFlushMappedBufferRange');
return;
}
if (offset < 0 || length < 0 || offset + length > mapping.length) {
GL.recordError(0x501 /* GL_INVALID_VALUE */);
err('invalid range in glFlushMappedBufferRange');
return;
}
GLctx.bufferSubData(
target,
mapping.offset,
HEAPU8.subarray(mapping.mem + offset, mapping.mem + offset + length));
}
function _emscripten_glFramebufferRenderbuffer(target, attachment, renderbuffertarget, renderbuffer) {
GLctx.framebufferRenderbuffer(target, attachment, renderbuffertarget,
GL.renderbuffers[renderbuffer]);
}
function _emscripten_glFramebufferTexture2D(target, attachment, textarget, texture, level) {
GLctx.framebufferTexture2D(target, attachment, textarget,
GL.textures[texture], level);
}
function _emscripten_glFramebufferTextureLayer(target, attachment, texture, level, layer) {
GLctx.framebufferTextureLayer(target, attachment, GL.textures[texture], level, layer);
}
function _emscripten_glFrontFace(x0) { GLctx['frontFace'](x0) }
function __glGenObject(n, buffers, createFunction, objectTable
) {
for (var i = 0; i < n; i++) {
var buffer = GLctx[createFunction]();
var id = buffer && GL.getNewId(objectTable);
if (buffer) {
buffer.name = id;
objectTable[id] = buffer;
} else {
GL.recordError(0x502 /* GL_INVALID_OPERATION */);
}
HEAP32[(((buffers)+(i*4))>>2)] = id;
}
}
function _emscripten_glGenBuffers(n, buffers) {
__glGenObject(n, buffers, 'createBuffer', GL.buffers
);
}
function _emscripten_glGenFramebuffers(n, ids) {
__glGenObject(n, ids, 'createFramebuffer', GL.framebuffers
);
}
function _emscripten_glGenQueries(n, ids) {
__glGenObject(n, ids, 'createQuery', GL.queries
);
}
function _emscripten_glGenQueriesEXT(n, ids) {
for (var i = 0; i < n; i++) {
var query = GLctx.disjointTimerQueryExt['createQueryEXT']();
if (!query) {
GL.recordError(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;
}
}
function _emscripten_glGenRenderbuffers(n, renderbuffers) {
__glGenObject(n, renderbuffers, 'createRenderbuffer', GL.renderbuffers
);
}
function _emscripten_glGenSamplers(n, samplers) {
__glGenObject(n, samplers, 'createSampler', GL.samplers
);
}
function _emscripten_glGenTextures(n, textures) {
__glGenObject(n, textures, 'createTexture', GL.textures
);
}
function _emscripten_glGenTransformFeedbacks(n, ids) {
__glGenObject(n, ids, 'createTransformFeedback', GL.transformFeedbacks
);
}
function _emscripten_glGenVertexArrays(n, arrays) {
__glGenObject(n, arrays, 'createVertexArray', GL.vaos
);
}
function _emscripten_glGenVertexArraysOES(n, arrays) {
__glGenObject(n, arrays, 'createVertexArray', GL.vaos
);
}
function _emscripten_glGenerateMipmap(x0) { GLctx['generateMipmap'](x0) }
function __glGetActiveAttribOrUniform(funcName, program, index, bufSize, length, size, type, name) {
program = GL.programs[program];
var info = GLctx[funcName](program, index);
if (info) { // 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;
}
}
function _emscripten_glGetActiveAttrib(program, index, bufSize, length, size, type, name) {
__glGetActiveAttribOrUniform('getActiveAttrib', program, index, bufSize, length, size, type, name);
}
function _emscripten_glGetActiveUniform(program, index, bufSize, length, size, type, name) {
__glGetActiveAttribOrUniform('getActiveUniform', program, index, bufSize, length, size, type, name);
}
function _emscripten_glGetActiveUniformBlockName(program, uniformBlockIndex, bufSize, length, uniformBlockName) {
program = GL.programs[program];
var result = GLctx['getActiveUniformBlockName'](program, uniformBlockIndex);
if (!result) return; // If 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;
}
}
function _emscripten_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;
}
}
function _emscripten_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];
}
}
function _emscripten_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;
}
}
function _emscripten_glGetAttribLocation(program, name) {
return GLctx.getAttribLocation(GL.programs[program], UTF8ToString(name));
}
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=0x' + HEAPU32[ptr>>2].toString(16) + ', hi=0x' + HEAPU32[ptr+4>>2].toString(16) + ', 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;
}
}
function _emscripten_glGetBooleanv(name_, p) {
emscriptenWebGLGet(name_, p, 4);
}
function _emscripten_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));
}
function _emscripten_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);
}
function _emscripten_glGetBufferPointerv(target, pname, params) {
if (pname == 0x88BD/*GL_BUFFER_MAP_POINTER*/) {
var ptr = 0;
var mappedBuffer = GL.mappedBuffers[emscriptenWebGLGetBufferBinding(target)];
if (mappedBuffer) {
ptr = mappedBuffer.mem;
}
HEAP32[((params)>>2)] = ptr;
} else {
GL.recordError(0x500/*GL_INVALID_ENUM*/);
err('GL_INVALID_ENUM in glGetBufferPointerv');
}
}
function _emscripten_glGetError() {
var error = GLctx.getError() || GL.lastError;
GL.lastError = 0/*GL_NO_ERROR*/;
return error;
}
function _emscripten_glGetFloatv(name_, p) {
emscriptenWebGLGet(name_, p, 2);
}
function _emscripten_glGetFragDataLocation(program, name) {
return GLctx['getFragDataLocation'](GL.programs[program], UTF8ToString(name));
}
function _emscripten_glGetFramebufferAttachmentParameteriv(target, attachment, pname, params) {
var result = GLctx.getFramebufferAttachmentParameter(target, attachment, pname);
if (result instanceof WebGLRenderbuffer ||
result instanceof WebGLTexture) {
result = result.name | 0;
}
HEAP32[((params)>>2)] = result;
}
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;
}
}
function _emscripten_glGetInteger64i_v(target, index, data) {
emscriptenWebGLGetIndexed(target, index, data, 1);
}
function _emscripten_glGetInteger64v(name_, p) {
emscriptenWebGLGet(name_, p, 1);
}
function _emscripten_glGetIntegeri_v(target, index, data) {
emscriptenWebGLGetIndexed(target, index, data, 0);
}
function _emscripten_glGetIntegerv(name_, p) {
emscriptenWebGLGet(name_, p, 0);
}
function _emscripten_glGetInternalformativ(target, internalformat, pname, bufSize, params) {
if (bufSize < 0) {
GL.recordError(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];
}
}
function _emscripten_glGetProgramBinary(program, bufSize, length, binaryFormat, binary) {
GL.recordError(0x502/*GL_INVALID_OPERATION*/);
}
function _emscripten_glGetProgramInfoLog(program, maxLength, length, infoLog) {
var log = GLctx.getProgramInfoLog(GL.programs[program]);
if (log === null) log = '(unknown error)';
var numBytesWrittenExclNull = (maxLength > 0 && infoLog) ? stringToUTF8(log, infoLog, maxLength) : 0;
if (length) HEAP32[((length)>>2)] = numBytesWrittenExclNull;
}
function _emscripten_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);
}
}
function _emscripten_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);
}
function _emscripten_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;
}
function _emscripten_glGetQueryObjectui64vEXT(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);
}
function _emscripten_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;
}
function _emscripten_glGetQueryObjectuivEXT(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;
}
function _emscripten_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);
}
function _emscripten_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);
}
function _emscripten_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);
}
function _emscripten_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);
}
function _emscripten_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);
}
function _emscripten_glGetShaderInfoLog(shader, maxLength, length, infoLog) {
var log = GLctx.getShaderInfoLog(GL.shaders[shader]);
if (log === null) log = '(unknown error)';
var numBytesWrittenExclNull = (maxLength > 0 && infoLog) ? stringToUTF8(log, infoLog, maxLength) : 0;
if (length) HEAP32[((length)>>2)] = numBytesWrittenExclNull;
}
function _emscripten_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;
}
function _emscripten_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;
}
function _emscripten_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);
}
}
function stringToNewUTF8(jsString) {
var length = lengthBytesUTF8(jsString)+1;
var cString = _malloc(length);
stringToUTF8(jsString, cString, length);
return cString;
}
function _emscripten_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 (GL.currentContext.version >= 2) 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;
}
function _emscripten_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;
}
}
function _emscripten_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.
}
}
function _emscripten_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);
}
function _emscripten_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);
}
function _emscripten_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;
}
function _emscripten_glGetUniformBlockIndex(program, uniformBlockName) {
return GLctx['getUniformBlockIndex'](GL.programs[program], UTF8ToString(uniformBlockName));
}
function _emscripten_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];
}
}
/** @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;
}
}
}
}
function _emscripten_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;
}
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;
}
}
}
}
function _emscripten_glGetUniformfv(program, location, params) {
emscriptenWebGLGetUniform(program, location, params, 2);
}
function _emscripten_glGetUniformiv(program, location, params) {
emscriptenWebGLGetUniform(program, location, params, 0);
}
function _emscripten_glGetUniformuiv(program, location, params) {
emscriptenWebGLGetUniform(program, location, params, 0);
}
/** @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;
}
if (GL.currentContext.clientBuffers[index].enabled) {
err("glGetVertexAttrib*v on client-side array: not supported, bad data returned");
}
var data = GLctx.getVertexAttrib(index, pname);
if (pname == 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;
}
}
}
}
function _emscripten_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);
}
function _emscripten_glGetVertexAttribIuiv(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);
}
function _emscripten_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;
}
if (GL.currentContext.clientBuffers[index].enabled) {
err("glGetVertexAttribPointer on client-side array: not supported, bad data returned");
}
HEAP32[((pointer)>>2)] = GLctx.getVertexAttribOffset(index, pname);
}
function _emscripten_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);
}
function _emscripten_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);
}
function _emscripten_glHint(x0, x1) { GLctx['hint'](x0, x1) }
function _emscripten_glInvalidateFramebuffer(target, numAttachments, attachments) {
var list = tempFixedLengthArray[numAttachments];
for (var i = 0; i < numAttachments; i++) {
list[i] = HEAP32[(((attachments)+(i*4))>>2)];
}
GLctx['invalidateFramebuffer'](target, list);
}
function _emscripten_glInvalidateSubFramebuffer(target, numAttachments, attachments, x, y, width, height) {
var list = tempFixedLengthArray[numAttachments];
for (var i = 0; i < numAttachments; i++) {
list[i] = HEAP32[(((attachments)+(i*4))>>2)];
}
GLctx['invalidateSubFramebuffer'](target, list, x, y, width, height);
}
function _emscripten_glIsBuffer(buffer) {
var b = GL.buffers[buffer];
if (!b) return 0;
return GLctx.isBuffer(b);
}
function _emscripten_glIsEnabled(x0) { return GLctx['isEnabled'](x0) }
function _emscripten_glIsFramebuffer(framebuffer) {
var fb = GL.framebuffers[framebuffer];
if (!fb) return 0;
return GLctx.isFramebuffer(fb);
}
function _emscripten_glIsProgram(program) {
program = GL.programs[program];
if (!program) return 0;
return GLctx.isProgram(program);
}
function _emscripten_glIsQuery(id) {
var query = GL.queries[id];
if (!query) return 0;
return GLctx['isQuery'](query);
}
function _emscripten_glIsQueryEXT(id) {
var query = GL.queries[id];
if (!query) return 0;
return GLctx.disjointTimerQueryExt['isQueryEXT'](query);
}
function _emscripten_glIsRenderbuffer(renderbuffer) {
var rb = GL.renderbuffers[renderbuffer];
if (!rb) return 0;
return GLctx.isRenderbuffer(rb);
}
function _emscripten_glIsSampler(id) {
var sampler = GL.samplers[id];
if (!sampler) return 0;
return GLctx['isSampler'](sampler);
}
function _emscripten_glIsShader(shader) {
var s = GL.shaders[shader];
if (!s) return 0;
return GLctx.isShader(s);
}
function _emscripten_glIsSync(sync) {
return GLctx.isSync(GL.syncs[sync]);
}
function _emscripten_glIsTexture(id) {
var texture = GL.textures[id];
if (!texture) return 0;
return GLctx.isTexture(texture);
}
function _emscripten_glIsTransformFeedback(id) {
return GLctx['isTransformFeedback'](GL.transformFeedbacks[id]);
}
function _emscripten_glIsVertexArray(array) {
var vao = GL.vaos[array];
if (!vao) return 0;
return GLctx['isVertexArray'](vao);
}
function _emscripten_glIsVertexArrayOES(array) {
var vao = GL.vaos[array];
if (!vao) return 0;
return GLctx['isVertexArray'](vao);
}
function _emscripten_glLineWidth(x0) { GLctx['lineWidth'](x0) }
function _emscripten_glLinkProgram(program) {
program = GL.programs[program];
GLctx.linkProgram(program);
// 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 = {};
}
function _emscripten_glMapBufferRange(target, offset, length, access) {
if (access != 0x1A && access != 0xA) {
err("glMapBufferRange is only supported when access is MAP_WRITE|INVALIDATE_BUFFER");
return 0;
}
if (!emscriptenWebGLValidateMapBufferTarget(target)) {
GL.recordError(0x500/*GL_INVALID_ENUM*/);
err('GL_INVALID_ENUM in glMapBufferRange');
return 0;
}
var mem = _malloc(length);
if (!mem) return 0;
GL.mappedBuffers[emscriptenWebGLGetBufferBinding(target)] = {
offset: offset,
length: length,
mem: mem,
access: access,
};
return mem;
}
function _emscripten_glPauseTransformFeedback() { GLctx['pauseTransformFeedback']() }
function _emscripten_glPixelStorei(pname, param) {
if (pname == 0xCF5 /* GL_UNPACK_ALIGNMENT */) {
GL.unpackAlignment = param;
}
GLctx.pixelStorei(pname, param);
}
function _emscripten_glPolygonOffset(x0, x1) { GLctx['polygonOffset'](x0, x1) }
function _emscripten_glProgramBinary(program, binaryFormat, binary, length) {
GL.recordError(0x500/*GL_INVALID_ENUM*/);
}
function _emscripten_glProgramParameteri(program, pname, value) {
GL.recordError(0x500/*GL_INVALID_ENUM*/);
}
function _emscripten_glQueryCounterEXT(id, target) {
GLctx.disjointTimerQueryExt['queryCounterEXT'](GL.queries[id], target);
}
function _emscripten_glReadBuffer(x0) { GLctx['readBuffer'](x0) }
function computeUnpackAlignedImageSize(width, height, sizePerPixel, alignment) {
function roundedToNextMultipleOf(x, y) {
return (x + y - 1) & -y;
}
var plainRowSize = width * sizePerPixel;
var alignedRowSize = roundedToNextMultipleOf(plainRowSize, alignment);
return height * alignedRowSize;
}
function __colorChannelsInGlTextureFormat(format) {
// 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);
}
function _emscripten_glReadPixels(x, y, width, height, format, type, pixels) {
if (GL.currentContext.version >= 2) { // 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);
}
function _emscripten_glReleaseShaderCompiler() {
// NOP (as allowed by GLES 2.0 spec)
}
function _emscripten_glRenderbufferStorage(x0, x1, x2, x3) { GLctx['renderbufferStorage'](x0, x1, x2, x3) }
function _emscripten_glRenderbufferStorageMultisample(x0, x1, x2, x3, x4) { GLctx['renderbufferStorageMultisample'](x0, x1, x2, x3, x4) }
function _emscripten_glResumeTransformFeedback() { GLctx['resumeTransformFeedback']() }
function _emscripten_glSampleCoverage(value, invert) {
GLctx.sampleCoverage(value, !!invert);
}
function _emscripten_glSamplerParameterf(sampler, pname, param) {
GLctx['samplerParameterf'](GL.samplers[sampler], pname, param);
}
function _emscripten_glSamplerParameterfv(sampler, pname, params) {
var param = HEAPF32[((params)>>2)];
GLctx['samplerParameterf'](GL.samplers[sampler], pname, param);
}
function _emscripten_glSamplerParameteri(sampler, pname, param) {
GLctx['samplerParameteri'](GL.samplers[sampler], pname, param);
}
function _emscripten_glSamplerParameteriv(sampler, pname, params) {
var param = HEAP32[((params)>>2)];
GLctx['samplerParameteri'](GL.samplers[sampler], pname, param);
}
function _emscripten_glScissor(x0, x1, x2, x3) { GLctx['scissor'](x0, x1, x2, x3) }
function _emscripten_glShaderBinary() {
GL.recordError(0x500/*GL_INVALID_ENUM*/);
}
function _emscripten_glShaderSource(shader, count, string, length) {
var source = GL.getSource(shader, count, string, length);
GLctx.shaderSource(GL.shaders[shader], source);
}
function _emscripten_glStencilFunc(x0, x1, x2) { GLctx['stencilFunc'](x0, x1, x2) }
function _emscripten_glStencilFuncSeparate(x0, x1, x2, x3) { GLctx['stencilFuncSeparate'](x0, x1, x2, x3) }
function _emscripten_glStencilMask(x0) { GLctx['stencilMask'](x0) }
function _emscripten_glStencilMaskSeparate(x0, x1) { GLctx['stencilMaskSeparate'](x0, x1) }
function _emscripten_glStencilOp(x0, x1, x2) { GLctx['stencilOp'](x0, x1, x2) }
function _emscripten_glStencilOpSeparate(x0, x1, x2, x3) { GLctx['stencilOpSeparate'](x0, x1, x2, x3) }
function _emscripten_glTexImage2D(target, level, internalFormat, width, height, border, format, type, pixels) {
if (GL.currentContext.version >= 2) {
// 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);
}
function _emscripten_glTexImage3D(target, level, internalFormat, width, height, depth, border, format, type, pixels) {
if (GLctx.currentPixelUnpackBufferBinding) {
GLctx['texImage3D'](target, level, internalFormat, width, height, depth, border, format, type, pixels);
} else if (pixels) {
var heap = heapObjectForWebGLType(type);
GLctx['texImage3D'](target, level, internalFormat, width, height, depth, border, format, type, heap, pixels >> heapAccessShiftForWebGLHeap(heap));
} else {
GLctx['texImage3D'](target, level, internalFormat, width, height, depth, border, format, type, null);
}
}
function _emscripten_glTexParameterf(x0, x1, x2) { GLctx['texParameterf'](x0, x1, x2) }
function _emscripten_glTexParameterfv(target, pname, params) {
var param = HEAPF32[((params)>>2)];
GLctx.texParameterf(target, pname, param);
}
function _emscripten_glTexParameteri(x0, x1, x2) { GLctx['texParameteri'](x0, x1, x2) }
function _emscripten_glTexParameteriv(target, pname, params) {
var param = HEAP32[((params)>>2)];
GLctx.texParameteri(target, pname, param);
}
function _emscripten_glTexStorage2D(x0, x1, x2, x3, x4) { GLctx['texStorage2D'](x0, x1, x2, x3, x4) }
function _emscripten_glTexStorage3D(x0, x1, x2, x3, x4, x5) { GLctx['texStorage3D'](x0, x1, x2, x3, x4, x5) }
function _emscripten_glTexSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixels) {
if (GL.currentContext.version >= 2) {
// 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);
}
function _emscripten_glTexSubImage3D(target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, pixels) {
if (GLctx.currentPixelUnpackBufferBinding) {
GLctx['texSubImage3D'](target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, pixels);
} else if (pixels) {
var heap = heapObjectForWebGLType(type);
GLctx['texSubImage3D'](target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, heap, pixels >> heapAccessShiftForWebGLHeap(heap));
} else {
GLctx['texSubImage3D'](target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, null);
}
}
function _emscripten_glTransformFeedbackVaryings(program, count, varyings, bufferMode) {
program = GL.programs[program];
var vars = [];
for (var i = 0; i < count; i++)
vars.push(UTF8ToString(HEAP32[(((varyings)+(i*4))>>2)]));
GLctx['transformFeedbackVaryings'](program, vars, bufferMode);
}
function _emscripten_glUniform1f(location, v0) {
GLctx.uniform1f(webglGetUniformLocation(location), v0);
}
var miniTempWebGLFloatBuffers = [];
function _emscripten_glUniform1fv(location, count, value) {
if (GL.currentContext.version >= 2) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
GLctx.uniform1fv(webglGetUniformLocation(location), HEAPF32, value>>2, count);
return;
}
if (count <= 288) {
// avoid allocation when uploading few enough uniforms
var view = miniTempWebGLFloatBuffers[count-1];
for (var i = 0; i < count; ++i) {
view[i] = HEAPF32[(((value)+(4*i))>>2)];
}
} else
{
var view = HEAPF32.subarray((value)>>2, (value+count*4)>>2);
}
GLctx.uniform1fv(webglGetUniformLocation(location), view);
}
function _emscripten_glUniform1i(location, v0) {
GLctx.uniform1i(webglGetUniformLocation(location), v0);
}
var __miniTempWebGLIntBuffers = [];
function _emscripten_glUniform1iv(location, count, value) {
if (GL.currentContext.version >= 2) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
GLctx.uniform1iv(webglGetUniformLocation(location), HEAP32, value>>2, count);
return;
}
if (count <= 288) {
// avoid allocation when uploading few enough uniforms
var view = __miniTempWebGLIntBuffers[count-1];
for (var i = 0; i < count; ++i) {
view[i] = HEAP32[(((value)+(4*i))>>2)];
}
} else
{
var view = HEAP32.subarray((value)>>2, (value+count*4)>>2);
}
GLctx.uniform1iv(webglGetUniformLocation(location), view);
}
function _emscripten_glUniform1ui(location, v0) {
GLctx.uniform1ui(webglGetUniformLocation(location), v0);
}
function _emscripten_glUniform1uiv(location, count, value) {
GLctx.uniform1uiv(webglGetUniformLocation(location), HEAPU32, value>>2, count);
}
function _emscripten_glUniform2f(location, v0, v1) {
GLctx.uniform2f(webglGetUniformLocation(location), v0, v1);
}
function _emscripten_glUniform2fv(location, count, value) {
if (GL.currentContext.version >= 2) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
GLctx.uniform2fv(webglGetUniformLocation(location), HEAPF32, value>>2, count*2);
return;
}
if (count <= 144) {
// avoid allocation when uploading few enough uniforms
var view = miniTempWebGLFloatBuffers[2*count-1];
for (var i = 0; i < 2*count; i += 2) {
view[i] = HEAPF32[(((value)+(4*i))>>2)];
view[i+1] = HEAPF32[(((value)+(4*i+4))>>2)];
}
} else
{
var view = HEAPF32.subarray((value)>>2, (value+count*8)>>2);
}
GLctx.uniform2fv(webglGetUniformLocation(location), view);
}
function _emscripten_glUniform2i(location, v0, v1) {
GLctx.uniform2i(webglGetUniformLocation(location), v0, v1);
}
function _emscripten_glUniform2iv(location, count, value) {
if (GL.currentContext.version >= 2) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
GLctx.uniform2iv(webglGetUniformLocation(location), HEAP32, value>>2, count*2);
return;
}
if (count <= 144) {
// avoid allocation when uploading few enough uniforms
var view = __miniTempWebGLIntBuffers[2*count-1];
for (var i = 0; i < 2*count; i += 2) {
view[i] = HEAP32[(((value)+(4*i))>>2)];
view[i+1] = HEAP32[(((value)+(4*i+4))>>2)];
}
} else
{
var view = HEAP32.subarray((value)>>2, (value+count*8)>>2);
}
GLctx.uniform2iv(webglGetUniformLocation(location), view);
}
function _emscripten_glUniform2ui(location, v0, v1) {
GLctx.uniform2ui(webglGetUniformLocation(location), v0, v1);
}
function _emscripten_glUniform2uiv(location, count, value) {
GLctx.uniform2uiv(webglGetUniformLocation(location), HEAPU32, value>>2, count*2);
}
function _emscripten_glUniform3f(location, v0, v1, v2) {
GLctx.uniform3f(webglGetUniformLocation(location), v0, v1, v2);
}
function _emscripten_glUniform3fv(location, count, value) {
if (GL.currentContext.version >= 2) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
GLctx.uniform3fv(webglGetUniformLocation(location), HEAPF32, value>>2, count*3);
return;
}
if (count <= 96) {
// avoid allocation when uploading few enough uniforms
var view = miniTempWebGLFloatBuffers[3*count-1];
for (var i = 0; i < 3*count; i += 3) {
view[i] = HEAPF32[(((value)+(4*i))>>2)];
view[i+1] = HEAPF32[(((value)+(4*i+4))>>2)];
view[i+2] = HEAPF32[(((value)+(4*i+8))>>2)];
}
} else
{
var view = HEAPF32.subarray((value)>>2, (value+count*12)>>2);
}
GLctx.uniform3fv(webglGetUniformLocation(location), view);
}
function _emscripten_glUniform3i(location, v0, v1, v2) {
GLctx.uniform3i(webglGetUniformLocation(location), v0, v1, v2);
}
function _emscripten_glUniform3iv(location, count, value) {
if (GL.currentContext.version >= 2) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
GLctx.uniform3iv(webglGetUniformLocation(location), HEAP32, value>>2, count*3);
return;
}
if (count <= 96) {
// avoid allocation when uploading few enough uniforms
var view = __miniTempWebGLIntBuffers[3*count-1];
for (var i = 0; i < 3*count; i += 3) {
view[i] = HEAP32[(((value)+(4*i))>>2)];
view[i+1] = HEAP32[(((value)+(4*i+4))>>2)];
view[i+2] = HEAP32[(((value)+(4*i+8))>>2)];
}
} else
{
var view = HEAP32.subarray((value)>>2, (value+count*12)>>2);
}
GLctx.uniform3iv(webglGetUniformLocation(location), view);
}
function _emscripten_glUniform3ui(location, v0, v1, v2) {
GLctx.uniform3ui(webglGetUniformLocation(location), v0, v1, v2);
}
function _emscripten_glUniform3uiv(location, count, value) {
GLctx.uniform3uiv(webglGetUniformLocation(location), HEAPU32, value>>2, count*3);
}
function _emscripten_glUniform4f(location, v0, v1, v2, v3) {
GLctx.uniform4f(webglGetUniformLocation(location), v0, v1, v2, v3);
}
function _emscripten_glUniform4fv(location, count, value) {
if (GL.currentContext.version >= 2) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
GLctx.uniform4fv(webglGetUniformLocation(location), HEAPF32, value>>2, count*4);
return;
}
if (count <= 72) {
// avoid allocation when uploading few enough uniforms
var view = miniTempWebGLFloatBuffers[4*count-1];
// hoist the heap out of the loop for size and for pthreads+growth.
var heap = HEAPF32;
value >>= 2;
for (var i = 0; i < 4 * count; i += 4) {
var dst = value + i;
view[i] = heap[dst];
view[i + 1] = heap[dst + 1];
view[i + 2] = heap[dst + 2];
view[i + 3] = heap[dst + 3];
}
} else
{
var view = HEAPF32.subarray((value)>>2, (value+count*16)>>2);
}
GLctx.uniform4fv(webglGetUniformLocation(location), view);
}
function _emscripten_glUniform4i(location, v0, v1, v2, v3) {
GLctx.uniform4i(webglGetUniformLocation(location), v0, v1, v2, v3);
}
function _emscripten_glUniform4iv(location, count, value) {
if (GL.currentContext.version >= 2) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
GLctx.uniform4iv(webglGetUniformLocation(location), HEAP32, value>>2, count*4);
return;
}
if (count <= 72) {
// avoid allocation when uploading few enough uniforms
var view = __miniTempWebGLIntBuffers[4*count-1];
for (var i = 0; i < 4*count; i += 4) {
view[i] = HEAP32[(((value)+(4*i))>>2)];
view[i+1] = HEAP32[(((value)+(4*i+4))>>2)];
view[i+2] = HEAP32[(((value)+(4*i+8))>>2)];
view[i+3] = HEAP32[(((value)+(4*i+12))>>2)];
}
} else
{
var view = HEAP32.subarray((value)>>2, (value+count*16)>>2);
}
GLctx.uniform4iv(webglGetUniformLocation(location), view);
}
function _emscripten_glUniform4ui(location, v0, v1, v2, v3) {
GLctx.uniform4ui(webglGetUniformLocation(location), v0, v1, v2, v3);
}
function _emscripten_glUniform4uiv(location, count, value) {
GLctx.uniform4uiv(webglGetUniformLocation(location), HEAPU32, value>>2, count*4);
}
function _emscripten_glUniformBlockBinding(program, uniformBlockIndex, uniformBlockBinding) {
program = GL.programs[program];
GLctx['uniformBlockBinding'](program, uniformBlockIndex, uniformBlockBinding);
}
function _emscripten_glUniformMatrix2fv(location, count, transpose, value) {
if (GL.currentContext.version >= 2) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
GLctx.uniformMatrix2fv(webglGetUniformLocation(location), !!transpose, HEAPF32, value>>2, count*4);
return;
}
if (count <= 72) {
// avoid allocation when uploading few enough uniforms
var view = miniTempWebGLFloatBuffers[4*count-1];
for (var i = 0; i < 4*count; i += 4) {
view[i] = HEAPF32[(((value)+(4*i))>>2)];
view[i+1] = HEAPF32[(((value)+(4*i+4))>>2)];
view[i+2] = HEAPF32[(((value)+(4*i+8))>>2)];
view[i+3] = HEAPF32[(((value)+(4*i+12))>>2)];
}
} else
{
var view = HEAPF32.subarray((value)>>2, (value+count*16)>>2);
}
GLctx.uniformMatrix2fv(webglGetUniformLocation(location), !!transpose, view);
}
function _emscripten_glUniformMatrix2x3fv(location, count, transpose, value) {
GLctx.uniformMatrix2x3fv(webglGetUniformLocation(location), !!transpose, HEAPF32, value>>2, count*6);
}
function _emscripten_glUniformMatrix2x4fv(location, count, transpose, value) {
GLctx.uniformMatrix2x4fv(webglGetUniformLocation(location), !!transpose, HEAPF32, value>>2, count*8);
}
function _emscripten_glUniformMatrix3fv(location, count, transpose, value) {
if (GL.currentContext.version >= 2) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
GLctx.uniformMatrix3fv(webglGetUniformLocation(location), !!transpose, HEAPF32, value>>2, count*9);
return;
}
if (count <= 32) {
// avoid allocation when uploading few enough uniforms
var view = miniTempWebGLFloatBuffers[9*count-1];
for (var i = 0; i < 9*count; i += 9) {
view[i] = HEAPF32[(((value)+(4*i))>>2)];
view[i+1] = HEAPF32[(((value)+(4*i+4))>>2)];
view[i+2] = HEAPF32[(((value)+(4*i+8))>>2)];
view[i+3] = HEAPF32[(((value)+(4*i+12))>>2)];
view[i+4] = HEAPF32[(((value)+(4*i+16))>>2)];
view[i+5] = HEAPF32[(((value)+(4*i+20))>>2)];
view[i+6] = HEAPF32[(((value)+(4*i+24))>>2)];
view[i+7] = HEAPF32[(((value)+(4*i+28))>>2)];
view[i+8] = HEAPF32[(((value)+(4*i+32))>>2)];
}
} else
{
var view = HEAPF32.subarray((value)>>2, (value+count*36)>>2);
}
GLctx.uniformMatrix3fv(webglGetUniformLocation(location), !!transpose, view);
}
function _emscripten_glUniformMatrix3x2fv(location, count, transpose, value) {
GLctx.uniformMatrix3x2fv(webglGetUniformLocation(location), !!transpose, HEAPF32, value>>2, count*6);
}
function _emscripten_glUniformMatrix3x4fv(location, count, transpose, value) {
GLctx.uniformMatrix3x4fv(webglGetUniformLocation(location), !!transpose, HEAPF32, value>>2, count*12);
}
function _emscripten_glUniformMatrix4fv(location, count, transpose, value) {
if (GL.currentContext.version >= 2) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
GLctx.uniformMatrix4fv(webglGetUniformLocation(location), !!transpose, HEAPF32, value>>2, count*16);
return;
}
if (count <= 18) {
// avoid allocation when uploading few enough uniforms
var view = miniTempWebGLFloatBuffers[16*count-1];
// hoist the heap out of the loop for size and for pthreads+growth.
var heap = HEAPF32;
value >>= 2;
for (var i = 0; i < 16 * count; i += 16) {
var dst = value + i;
view[i] = heap[dst];
view[i + 1] = heap[dst + 1];
view[i + 2] = heap[dst + 2];
view[i + 3] = heap[dst + 3];
view[i + 4] = heap[dst + 4];
view[i + 5] = heap[dst + 5];
view[i + 6] = heap[dst + 6];
view[i + 7] = heap[dst + 7];
view[i + 8] = heap[dst + 8];
view[i + 9] = heap[dst + 9];
view[i + 10] = heap[dst + 10];
view[i + 11] = heap[dst + 11];
view[i + 12] = heap[dst + 12];
view[i + 13] = heap[dst + 13];
view[i + 14] = heap[dst + 14];
view[i + 15] = heap[dst + 15];
}
} else
{
var view = HEAPF32.subarray((value)>>2, (value+count*64)>>2);
}
GLctx.uniformMatrix4fv(webglGetUniformLocation(location), !!transpose, view);
}
function _emscripten_glUniformMatrix4x2fv(location, count, transpose, value) {
GLctx.uniformMatrix4x2fv(webglGetUniformLocation(location), !!transpose, HEAPF32, value>>2, count*8);
}
function _emscripten_glUniformMatrix4x3fv(location, count, transpose, value) {
GLctx.uniformMatrix4x3fv(webglGetUniformLocation(location), !!transpose, HEAPF32, value>>2, count*12);
}
function _emscripten_glUnmapBuffer(target) {
if (!emscriptenWebGLValidateMapBufferTarget(target)) {
GL.recordError(0x500/*GL_INVALID_ENUM*/);
err('GL_INVALID_ENUM in glUnmapBuffer');
return 0;
}
var buffer = emscriptenWebGLGetBufferBinding(target);
var mapping = GL.mappedBuffers[buffer];
if (!mapping) {
GL.recordError(0x502 /* GL_INVALID_OPERATION */);
err('buffer was never mapped in glUnmapBuffer');
return 0;
}
GL.mappedBuffers[buffer] = null;
if (!(mapping.access & 0x10)) /* GL_MAP_FLUSH_EXPLICIT_BIT */
if (GL.currentContext.version >= 2) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
GLctx.bufferSubData(target, mapping.offset, HEAPU8, mapping.mem, mapping.length);
} else {
GLctx.bufferSubData(target, mapping.offset, HEAPU8.subarray(mapping.mem, mapping.mem+mapping.length));
}
_free(mapping.mem);
return 1;
}
function _emscripten_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;
}
function _emscripten_glValidateProgram(program) {
GLctx.validateProgram(GL.programs[program]);
}
function _emscripten_glVertexAttrib1f(x0, x1) { GLctx['vertexAttrib1f'](x0, x1) }
function _emscripten_glVertexAttrib1fv(index, v) {
GLctx.vertexAttrib1f(index, HEAPF32[v>>2]);
}
function _emscripten_glVertexAttrib2f(x0, x1, x2) { GLctx['vertexAttrib2f'](x0, x1, x2) }
function _emscripten_glVertexAttrib2fv(index, v) {
GLctx.vertexAttrib2f(index, HEAPF32[v>>2], HEAPF32[v+4>>2]);
}
function _emscripten_glVertexAttrib3f(x0, x1, x2, x3) { GLctx['vertexAttrib3f'](x0, x1, x2, x3) }
function _emscripten_glVertexAttrib3fv(index, v) {
GLctx.vertexAttrib3f(index, HEAPF32[v>>2], HEAPF32[v+4>>2], HEAPF32[v+8>>2]);
}
function _emscripten_glVertexAttrib4f(x0, x1, x2, x3, x4) { GLctx['vertexAttrib4f'](x0, x1, x2, x3, x4) }
function _emscripten_glVertexAttrib4fv(index, v) {
GLctx.vertexAttrib4f(index, HEAPF32[v>>2], HEAPF32[v+4>>2], HEAPF32[v+8>>2], HEAPF32[v+12>>2]);
}
function _emscripten_glVertexAttribDivisor(index, divisor) {
GLctx['vertexAttribDivisor'](index, divisor);
}
function _emscripten_glVertexAttribDivisorANGLE(index, divisor) {
GLctx['vertexAttribDivisor'](index, divisor);
}
function _emscripten_glVertexAttribDivisorARB(index, divisor) {
GLctx['vertexAttribDivisor'](index, divisor);
}
function _emscripten_glVertexAttribDivisorEXT(index, divisor) {
GLctx['vertexAttribDivisor'](index, divisor);
}
function _emscripten_glVertexAttribDivisorNV(index, divisor) {
GLctx['vertexAttribDivisor'](index, divisor);
}
function _emscripten_glVertexAttribI4i(x0, x1, x2, x3, x4) { GLctx['vertexAttribI4i'](x0, x1, x2, x3, x4) }
function _emscripten_glVertexAttribI4iv(index, v) {
GLctx.vertexAttribI4i(index, HEAP32[v>>2], HEAP32[v+4>>2], HEAP32[v+8>>2], HEAP32[v+12>>2]);
}
function _emscripten_glVertexAttribI4ui(x0, x1, x2, x3, x4) { GLctx['vertexAttribI4ui'](x0, x1, x2, x3, x4) }
function _emscripten_glVertexAttribI4uiv(index, v) {
GLctx.vertexAttribI4ui(index, HEAPU32[v>>2], HEAPU32[v+4>>2], HEAPU32[v+8>>2], HEAPU32[v+12>>2]);
}
function _emscripten_glVertexAttribIPointer(index, size, type, stride, ptr) {
var cb = GL.currentContext.clientBuffers[index];
if (!GLctx.currentArrayBufferBinding) {
cb.size = size;
cb.type = type;
cb.normalized = false;
cb.stride = stride;
cb.ptr = ptr;
cb.clientside = true;
cb.vertexAttribPointerAdaptor = function(index, size, type, normalized, stride, ptr) {
this.vertexAttribIPointer(index, size, type, stride, ptr);
};
return;
}
cb.clientside = false;
GLctx['vertexAttribIPointer'](index, size, type, stride, ptr);
}
function _emscripten_glVertexAttribPointer(index, size, type, normalized, stride, ptr) {
var cb = GL.currentContext.clientBuffers[index];
if (!GLctx.currentArrayBufferBinding) {
cb.size = size;
cb.type = type;
cb.normalized = normalized;
cb.stride = stride;
cb.ptr = ptr;
cb.clientside = true;
cb.vertexAttribPointerAdaptor = function(index, size, type, normalized, stride, ptr) {
this.vertexAttribPointer(index, size, type, normalized, stride, ptr);
};
return;
}
cb.clientside = false;
GLctx.vertexAttribPointer(index, size, type, !!normalized, stride, ptr);
}
function _emscripten_glViewport(x0, x1, x2, x3) { GLctx['viewport'](x0, x1, x2, x3) }
function _emscripten_glWaitSync(sync, flags, timeoutLo, timeoutHi) {
// See WebGL2 vs GLES3 difference on GL_TIMEOUT_IGNORED above (https://www.khronos.org/registry/webgl/specs/latest/2.0/#5.15)
GLctx.waitSync(GL.syncs[sync], flags, convertI32PairToI53(timeoutLo, timeoutHi));
}
function _emscripten_memcpy_big(dest, src, num) {
HEAPU8.copyWithin(dest, src, src + num);
}
function emscripten_realloc_buffer(size) {
try {
// round size grow request up to wasm page size (fixed 64KB per spec)
wasmMemory.grow((size - buffer.byteLength + 65535) >>> 16); // .grow() takes a delta compared to the previous size
updateGlobalBufferAndViews(wasmMemory.buffer);
return 1 /*success*/;
} catch(e) {
err('emscripten_realloc_buffer: Attempted to grow heap from ' + buffer.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 pthreads, 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).
// In CAN_ADDRESS_2GB mode, 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.
var maxHeapSize = 2147483648;
if (requestedSize > maxHeapSize) {
err('Cannot enlarge memory, asked to go up to ' + requestedSize + ' bytes, but the limit is ' + maxHeapSize + ' bytes!');
return false;
}
// Loop through potential heap size increases. If we attempt a too eager reservation that fails, cut down on the
// attempted size and reserve a smaller bump instead. (max 3 times, chosen somewhat arbitrarily)
for (var cutDown = 1; cutDown <= 4; cutDown *= 2) {
var overGrownHeapSize = oldSize * (1 + 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_run_script(ptr) {
eval(UTF8ToString(ptr));
}
function _emscripten_sample_gamepad_data() {
return (JSEvents.lastGamepadState = (navigator.getGamepads ? navigator.getGamepads() : (navigator.webkitGetGamepads ? navigator.webkitGetGamepads() : null)))
? 0 : -1;
}
function _emscripten_set_main_loop_arg(func, arg, fps, simulateInfiniteLoop) {
var browserIterationFunc = function() { getWasmTableEntry(func)(arg); };
setMainLoop(browserIterationFunc, fps, simulateInfiniteLoop, arg);
}
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 getBoundingClientRect(e) {
return specialHTMLTargets.indexOf(e) < 0 ? e.getBoundingClientRect() : {'left':0,'top':0};
}
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) {
var 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
};
JSEvents.registerOrRemoveHandler(eventHandler);
}
function _emscripten_set_touchend_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
registerTouchEventCallback(target, userData, useCapture, callbackfunc, 23, "touchend", targetThread);
return 0;
}
function _emscripten_set_touchmove_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
registerTouchEventCallback(target, userData, useCapture, callbackfunc, 24, "touchmove", targetThread);
return 0;
}
function _emscripten_set_touchstart_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
registerTouchEventCallback(target, userData, useCapture, callbackfunc, 22, "touchstart", targetThread);
return 0;
}
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 _environ_get(__environ, environ_buf) {
var bufSize = 0;
getEnvStrings().forEach(function(string, i) {
var ptr = environ_buf + bufSize;
HEAP32[(((__environ)+(i * 4))>>2)] = ptr;
writeAsciiToMemory(string, ptr);
bufSize += string.length + 1;
});
return 0;
}
function _environ_sizes_get(penviron_count, penviron_buf_size) {
var strings = getEnvStrings();
HEAP32[((penviron_count)>>2)] = strings.length;
var bufSize = 0;
strings.forEach(function(string) {
bufSize += string.length + 1;
});
HEAP32[((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 instanceof FS.ErrnoError)) throw e;
return e.errno;
}
}
function _fd_read(fd, iov, iovcnt, pnum) {try {
var stream = SYSCALLS.getStreamFromFD(fd);
var num = SYSCALLS.doReadv(stream, iov, iovcnt);
HEAP32[((pnum)>>2)] = num;
return 0;
} catch (e) {
if (typeof FS === 'undefined' || !(e instanceof FS.ErrnoError)) throw e;
return e.errno;
}
}
function _fd_seek(fd, offset_low, offset_high, whence, newOffset) {try {
var stream = SYSCALLS.getStreamFromFD(fd);
var HIGH_OFFSET = 0x100000000; // 2^32
// use an unsigned operator on low and shift high by 32-bits
var offset = offset_high * HIGH_OFFSET + (offset_low >>> 0);
var DOUBLE_LIMIT = 0x20000000000000; // 2^53
// we also check for equality since DOUBLE_LIMIT + 1 == DOUBLE_LIMIT
if (offset <= -DOUBLE_LIMIT || offset >= DOUBLE_LIMIT) {
return -61;
}
FS.llseek(stream, offset, whence);
(tempI64 = [stream.position>>>0,(tempDouble=stream.position,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? ((Math.min((+(Math.floor((tempDouble)/4294967296.0))), 4294967295.0))|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 instanceof FS.ErrnoError)) throw e;
return e.errno;
}
}
function _fd_write(fd, iov, iovcnt, pnum) {try {
;
var stream = SYSCALLS.getStreamFromFD(fd);
var num = SYSCALLS.doWritev(stream, iov, iovcnt);
HEAP32[((pnum)>>2)] = num;
return 0;
} catch (e) {
if (typeof FS === 'undefined' || !(e instanceof FS.ErrnoError)) throw e;
return e.errno;
}
}
function _getTempRet0() {
return getTempRet0();
}
function _glActiveTexture(x0) { GLctx['activeTexture'](x0) }
function _glAttachShader(program, shader) {
GLctx.attachShader(GL.programs[program], GL.shaders[shader]);
}
function _glBindAttribLocation(program, index, name) {
GLctx.bindAttribLocation(GL.programs[program], index, UTF8ToString(name));
}
function _glBindBuffer(target, buffer) {
if (target == 0x8892 /*GL_ARRAY_BUFFER*/) {
GLctx.currentArrayBufferBinding = buffer;
} else if (target == 0x8893 /*GL_ELEMENT_ARRAY_BUFFER*/) {
GLctx.currentElementArrayBufferBinding = 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]);
}
function _glBindTexture(target, texture) {
GLctx.bindTexture(target, GL.textures[texture]);
}
function _glBindVertexArray(vao) {
GLctx['bindVertexArray'](GL.vaos[vao]);
var ibo = GLctx.getParameter(0x8895 /*ELEMENT_ARRAY_BUFFER_BINDING*/);
GLctx.currentElementArrayBufferBinding = ibo ? (ibo.name | 0) : 0;
}
function _glBlendEquation(x0) { GLctx['blendEquation'](x0) }
function _glBlendFunc(x0, x1) { GLctx['blendFunc'](x0, x1) }
function _glBufferData(target, size, data, usage) {
if (GL.currentContext.version >= 2) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
if (data) {
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);
}
}
function _glBufferSubData(target, offset, size, data) {
if (GL.currentContext.version >= 2) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
GLctx.bufferSubData(target, offset, HEAPU8, data, size);
return;
}
GLctx.bufferSubData(target, offset, HEAPU8.subarray(data, data+size));
}
function _glClear(x0) { GLctx['clear'](x0) }
function _glCompileShader(shader) {
GLctx.compileShader(GL.shaders[shader]);
}
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;
}
function _glCreateShader(shaderType) {
var id = GL.getNewId(GL.shaders);
GL.shaders[id] = GLctx.createShader(shaderType);
return id;
}
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.currentArrayBufferBinding) GLctx.currentArrayBufferBinding = 0;
if (id == GLctx.currentElementArrayBufferBinding) GLctx.currentElementArrayBufferBinding = 0;
if (id == GLctx.currentPixelPackBufferBinding) GLctx.currentPixelPackBufferBinding = 0;
if (id == GLctx.currentPixelUnpackBufferBinding) GLctx.currentPixelUnpackBufferBinding = 0;
}
}
function _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;
}
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;
}
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;
}
}
function _glDepthFunc(x0) { GLctx['depthFunc'](x0) }
function _glDetachShader(program, shader) {
GLctx.detachShader(GL.programs[program], GL.shaders[shader]);
}
function _glDisable(x0) { GLctx['disable'](x0) }
function _glDisableVertexAttribArray(index) {
var cb = GL.currentContext.clientBuffers[index];
cb.enabled = false;
GLctx.disableVertexAttribArray(index);
}
function _glDrawArrays(mode, first, count) {
// bind any client-side buffers
GL.preDrawHandleClientVertexAttribBindings(first + count);
GLctx.drawArrays(mode, first, count);
GL.postDrawHandleClientVertexAttribBindings();
}
function _glEnable(x0) { GLctx['enable'](x0) }
function _glEnableVertexAttribArray(index) {
var cb = GL.currentContext.clientBuffers[index];
cb.enabled = true;
GLctx.enableVertexAttribArray(index);
}
function _glFinish() { GLctx['finish']() }
function _glGenBuffers(n, buffers) {
__glGenObject(n, buffers, 'createBuffer', GL.buffers
);
}
function _glGenTextures(n, textures) {
__glGenObject(n, textures, 'createTexture', GL.textures
);
}
function _glGenVertexArrays(n, arrays) {
__glGenObject(n, arrays, 'createVertexArray', GL.vaos
);
}
function _glGenerateMipmap(x0) { GLctx['generateMipmap'](x0) }
function _glGetAttribLocation(program, name) {
return GLctx.getAttribLocation(GL.programs[program], UTF8ToString(name));
}
function _glGetIntegerv(name_, p) {
emscriptenWebGLGet(name_, p, 0);
}
function _glGetProgramInfoLog(program, maxLength, length, infoLog) {
var log = GLctx.getProgramInfoLog(GL.programs[program]);
if (log === null) log = '(unknown error)';
var numBytesWrittenExclNull = (maxLength > 0 && infoLog) ? stringToUTF8(log, infoLog, maxLength) : 0;
if (length) HEAP32[((length)>>2)] = numBytesWrittenExclNull;
}
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);
}
}
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;
}
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);
}
}
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 (GL.currentContext.version >= 2) 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;
}
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;
}
function _glLineWidth(x0) { GLctx['lineWidth'](x0) }
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 = {};
}
function _glScissor(x0, x1, x2, x3) { GLctx['scissor'](x0, x1, x2, x3) }
function _glShaderSource(shader, count, string, length) {
var source = GL.getSource(shader, count, string, length);
GLctx.shaderSource(GL.shaders[shader], source);
}
function _glTexImage2D(target, level, internalFormat, width, height, border, format, type, pixels) {
if (GL.currentContext.version >= 2) {
// 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);
}
function _glTexParameteri(x0, x1, x2) { GLctx['texParameteri'](x0, x1, x2) }
function _glUniform1i(location, v0) {
GLctx.uniform1i(webglGetUniformLocation(location), v0);
}
function _glUniform3fv(location, count, value) {
if (GL.currentContext.version >= 2) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
GLctx.uniform3fv(webglGetUniformLocation(location), HEAPF32, value>>2, count*3);
return;
}
if (count <= 96) {
// avoid allocation when uploading few enough uniforms
var view = miniTempWebGLFloatBuffers[3*count-1];
for (var i = 0; i < 3*count; i += 3) {
view[i] = HEAPF32[(((value)+(4*i))>>2)];
view[i+1] = HEAPF32[(((value)+(4*i+4))>>2)];
view[i+2] = HEAPF32[(((value)+(4*i+8))>>2)];
}
} else
{
var view = HEAPF32.subarray((value)>>2, (value+count*12)>>2);
}
GLctx.uniform3fv(webglGetUniformLocation(location), view);
}
function _glUniformMatrix4fv(location, count, transpose, value) {
if (GL.currentContext.version >= 2) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible.
GLctx.uniformMatrix4fv(webglGetUniformLocation(location), !!transpose, HEAPF32, value>>2, count*16);
return;
}
if (count <= 18) {
// avoid allocation when uploading few enough uniforms
var view = miniTempWebGLFloatBuffers[16*count-1];
// hoist the heap out of the loop for size and for pthreads+growth.
var heap = HEAPF32;
value >>= 2;
for (var i = 0; i < 16 * count; i += 16) {
var dst = value + i;
view[i] = heap[dst];
view[i + 1] = heap[dst + 1];
view[i + 2] = heap[dst + 2];
view[i + 3] = heap[dst + 3];
view[i + 4] = heap[dst + 4];
view[i + 5] = heap[dst + 5];
view[i + 6] = heap[dst + 6];
view[i + 7] = heap[dst + 7];
view[i + 8] = heap[dst + 8];
view[i + 9] = heap[dst + 9];
view[i + 10] = heap[dst + 10];
view[i + 11] = heap[dst + 11];
view[i + 12] = heap[dst + 12];
view[i + 13] = heap[dst + 13];
view[i + 14] = heap[dst + 14];
view[i + 15] = heap[dst + 15];
}
} else
{
var view = HEAPF32.subarray((value)>>2, (value+count*64)>>2);
}
GLctx.uniformMatrix4fv(webglGetUniformLocation(location), !!transpose, view);
}
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;
}
function _glVertexAttribPointer(index, size, type, normalized, stride, ptr) {
var cb = GL.currentContext.clientBuffers[index];
if (!GLctx.currentArrayBufferBinding) {
cb.size = size;
cb.type = type;
cb.normalized = normalized;
cb.stride = stride;
cb.ptr = ptr;
cb.clientside = true;
cb.vertexAttribPointerAdaptor = function(index, size, type, normalized, stride, ptr) {
this.vertexAttribPointer(index, size, type, normalized, stride, ptr);
};
return;
}
cb.clientside = false;
GLctx.vertexAttribPointer(index, size, type, !!normalized, stride, ptr);
}
function _glViewport(x0, x1, x2, x3) { GLctx['viewport'](x0, x1, x2, x3) }
/** @constructor */
function GLFW_Window(id, width, height, title, monitor, share) {
this.id = id;
this.x = 0;
this.y = 0;
this.fullscreen = false; // Used to determine if app in fullscreen mode
this.storedX = 0; // Used to store X before fullscreen
this.storedY = 0; // Used to store Y before fullscreen
this.width = width;
this.height = height;
this.storedWidth = width; // Used to store width before fullscreen
this.storedHeight = height; // Used to store height before fullscreen
this.title = title;
this.monitor = monitor;
this.share = share;
this.attributes = GLFW.hints;
this.inputModes = {
0x00033001:0x00034001, // GLFW_CURSOR (GLFW_CURSOR_NORMAL)
0x00033002:0, // GLFW_STICKY_KEYS
0x00033003:0, // GLFW_STICKY_MOUSE_BUTTONS
};
this.buttons = 0;
this.keys = new Array();
this.domKeys = new Array();
this.shouldClose = 0;
this.title = null;
this.windowPosFunc = null; // GLFWwindowposfun
this.windowSizeFunc = null; // GLFWwindowsizefun
this.windowCloseFunc = null; // GLFWwindowclosefun
this.windowRefreshFunc = null; // GLFWwindowrefreshfun
this.windowFocusFunc = null; // GLFWwindowfocusfun
this.windowIconifyFunc = null; // GLFWwindowiconifyfun
this.framebufferSizeFunc = null; // GLFWframebuffersizefun
this.mouseButtonFunc = null; // GLFWmousebuttonfun
this.cursorPosFunc = null; // GLFWcursorposfun
this.cursorEnterFunc = null; // GLFWcursorenterfun
this.scrollFunc = null; // GLFWscrollfun
this.dropFunc = null; // GLFWdropfun
this.keyFunc = null; // GLFWkeyfun
this.charFunc = null; // GLFWcharfun
this.userptr = null;
}
var GLFW = {WindowFromId:function(id) {
if (id <= 0 || !GLFW.windows) return null;
return GLFW.windows[id - 1];
},joystickFunc:null,errorFunc:null,monitorFunc:null,active:null,windows:null,monitors:null,monitorString:null,versionString:null,initialTime:null,extensions:null,hints:null,defaultHints:{131073:0,131074:0,131075:1,131076:1,131077:1,135169:8,135170:8,135171:8,135172:8,135173:24,135174:8,135175:0,135176:0,135177:0,135178:0,135179:0,135180:0,135181:0,135182:0,135183:0,139265:196609,139266:1,139267:0,139268:0,139269:0,139270:0,139271:0,139272:0},DOMToGLV4KeyCode:function(keycode) {
switch (keycode) {
// these keycodes are only defined for GLFW3, assume they are the same for GLFW2
case 0x20:return 32; // DOM_VK_SPACE -> GLFW_KEY_SPACE
case 0xDE:return 39; // DOM_VK_QUOTE -> GLFW_KEY_APOSTROPHE
case 0xBC:return 44; // DOM_VK_COMMA -> GLFW_KEY_COMMA
case 0xAD:return 45; // DOM_VK_HYPHEN_MINUS -> GLFW_KEY_MINUS
case 0xBD:return 45; // DOM_VK_MINUS -> GLFW_KEY_MINUS
case 0xBE:return 46; // DOM_VK_PERIOD -> GLFW_KEY_PERIOD
case 0xBF:return 47; // DOM_VK_SLASH -> GLFW_KEY_SLASH
case 0x30:return 48; // DOM_VK_0 -> GLFW_KEY_0
case 0x31:return 49; // DOM_VK_1 -> GLFW_KEY_1
case 0x32:return 50; // DOM_VK_2 -> GLFW_KEY_2
case 0x33:return 51; // DOM_VK_3 -> GLFW_KEY_3
case 0x34:return 52; // DOM_VK_4 -> GLFW_KEY_4
case 0x35:return 53; // DOM_VK_5 -> GLFW_KEY_5
case 0x36:return 54; // DOM_VK_6 -> GLFW_KEY_6
case 0x37:return 55; // DOM_VK_7 -> GLFW_KEY_7
case 0x38:return 56; // DOM_VK_8 -> GLFW_KEY_8
case 0x39:return 57; // DOM_VK_9 -> GLFW_KEY_9
case 0x3B:return 59; // DOM_VK_SEMICOLON -> GLFW_KEY_SEMICOLON
case 0x3D:return 61; // DOM_VK_EQUALS -> GLFW_KEY_EQUAL
case 0xBB:return 61; // DOM_VK_EQUALS -> GLFW_KEY_EQUAL
case 0x41:return 65; // DOM_VK_A -> GLFW_KEY_A
case 0x42:return 66; // DOM_VK_B -> GLFW_KEY_B
case 0x43:return 67; // DOM_VK_C -> GLFW_KEY_C
case 0x44:return 68; // DOM_VK_D -> GLFW_KEY_D
case 0x45:return 69; // DOM_VK_E -> GLFW_KEY_E
case 0x46:return 70; // DOM_VK_F -> GLFW_KEY_F
case 0x47:return 71; // DOM_VK_G -> GLFW_KEY_G
case 0x48:return 72; // DOM_VK_H -> GLFW_KEY_H
case 0x49:return 73; // DOM_VK_I -> GLFW_KEY_I
case 0x4A:return 74; // DOM_VK_J -> GLFW_KEY_J
case 0x4B:return 75; // DOM_VK_K -> GLFW_KEY_K
case 0x4C:return 76; // DOM_VK_L -> GLFW_KEY_L
case 0x4D:return 77; // DOM_VK_M -> GLFW_KEY_M
case 0x4E:return 78; // DOM_VK_N -> GLFW_KEY_N
case 0x4F:return 79; // DOM_VK_O -> GLFW_KEY_O
case 0x50:return 80; // DOM_VK_P -> GLFW_KEY_P
case 0x51:return 81; // DOM_VK_Q -> GLFW_KEY_Q
case 0x52:return 82; // DOM_VK_R -> GLFW_KEY_R
case 0x53:return 83; // DOM_VK_S -> GLFW_KEY_S
case 0x54:return 84; // DOM_VK_T -> GLFW_KEY_T
case 0x55:return 85; // DOM_VK_U -> GLFW_KEY_U
case 0x56:return 86; // DOM_VK_V -> GLFW_KEY_V
case 0x57:return 87; // DOM_VK_W -> GLFW_KEY_W
case 0x58:return 88; // DOM_VK_X -> GLFW_KEY_X
case 0x59:return 89; // DOM_VK_Y -> GLFW_KEY_Y
case 0x5a:return 90; // DOM_VK_Z -> GLFW_KEY_Z
case 0xDB:return 91; // DOM_VK_OPEN_BRACKET -> GLFW_KEY_LEFT_BRACKET
case 0xDC:return 92; // DOM_VK_BACKSLASH -> GLFW_KEY_BACKSLASH
case 0xDD:return 93; // DOM_VK_CLOSE_BRACKET -> GLFW_KEY_RIGHT_BRACKET
case 0xC0:return 94; // DOM_VK_BACK_QUOTE -> GLFW_KEY_GRAVE_ACCENT
case 0x1B:return 256; // DOM_VK_ESCAPE -> GLFW_KEY_ESCAPE
case 0x0D:return 257; // DOM_VK_RETURN -> GLFW_KEY_ENTER
case 0x09:return 258; // DOM_VK_TAB -> GLFW_KEY_TAB
case 0x08:return 259; // DOM_VK_BACK -> GLFW_KEY_BACKSPACE
case 0x2D:return 260; // DOM_VK_INSERT -> GLFW_KEY_INSERT
case 0x2E:return 261; // DOM_VK_DELETE -> GLFW_KEY_DELETE
case 0x27:return 262; // DOM_VK_RIGHT -> GLFW_KEY_RIGHT
case 0x25:return 263; // DOM_VK_LEFT -> GLFW_KEY_LEFT
case 0x28:return 264; // DOM_VK_DOWN -> GLFW_KEY_DOWN
case 0x26:return 265; // DOM_VK_UP -> GLFW_KEY_UP
case 0x21:return 266; // DOM_VK_PAGE_UP -> GLFW_KEY_PAGE_UP
case 0x22:return 267; // DOM_VK_PAGE_DOWN -> GLFW_KEY_PAGE_DOWN
case 0x24:return 268; // DOM_VK_HOME -> GLFW_KEY_HOME
case 0x23:return 269; // DOM_VK_END -> GLFW_KEY_END
case 0x14:return 280; // DOM_VK_CAPS_LOCK -> GLFW_KEY_CAPS_LOCK
case 0x91:return 281; // DOM_VK_SCROLL_LOCK -> GLFW_KEY_SCROLL_LOCK
case 0x90:return 282; // DOM_VK_NUM_LOCK -> GLFW_KEY_NUM_LOCK
case 0x2C:return 283; // DOM_VK_SNAPSHOT -> GLFW_KEY_PRINT_SCREEN
case 0x13:return 284; // DOM_VK_PAUSE -> GLFW_KEY_PAUSE
case 0x70:return 290; // DOM_VK_F1 -> GLFW_KEY_F1
case 0x71:return 291; // DOM_VK_F2 -> GLFW_KEY_F2
case 0x72:return 292; // DOM_VK_F3 -> GLFW_KEY_F3
case 0x73:return 293; // DOM_VK_F4 -> GLFW_KEY_F4
case 0x74:return 294; // DOM_VK_F5 -> GLFW_KEY_F5
case 0x75:return 295; // DOM_VK_F6 -> GLFW_KEY_F6
case 0x76:return 296; // DOM_VK_F7 -> GLFW_KEY_F7
case 0x77:return 297; // DOM_VK_F8 -> GLFW_KEY_F8
case 0x78:return 298; // DOM_VK_F9 -> GLFW_KEY_F9
case 0x79:return 299; // DOM_VK_F10 -> GLFW_KEY_F10
case 0x7A:return 300; // DOM_VK_F11 -> GLFW_KEY_F11
case 0x7B:return 301; // DOM_VK_F12 -> GLFW_KEY_F12
case 0x7C:return 302; // DOM_VK_F13 -> GLFW_KEY_F13
case 0x7D:return 303; // DOM_VK_F14 -> GLFW_KEY_F14
case 0x7E:return 304; // DOM_VK_F15 -> GLFW_KEY_F15
case 0x7F:return 305; // DOM_VK_F16 -> GLFW_KEY_F16
case 0x80:return 306; // DOM_VK_F17 -> GLFW_KEY_F17
case 0x81:return 307; // DOM_VK_F18 -> GLFW_KEY_F18
case 0x82:return 308; // DOM_VK_F19 -> GLFW_KEY_F19
case 0x83:return 309; // DOM_VK_F20 -> GLFW_KEY_F20
case 0x84:return 310; // DOM_VK_F21 -> GLFW_KEY_F21
case 0x85:return 311; // DOM_VK_F22 -> GLFW_KEY_F22
case 0x86:return 312; // DOM_VK_F23 -> GLFW_KEY_F23
case 0x87:return 313; // DOM_VK_F24 -> GLFW_KEY_F24
case 0x88:return 314; // 0x88 (not used?) -> GLFW_KEY_F25
case 0x60:return 320; // DOM_VK_NUMPAD0 -> GLFW_KEY_KP_0
case 0x61:return 321; // DOM_VK_NUMPAD1 -> GLFW_KEY_KP_1
case 0x62:return 322; // DOM_VK_NUMPAD2 -> GLFW_KEY_KP_2
case 0x63:return 323; // DOM_VK_NUMPAD3 -> GLFW_KEY_KP_3
case 0x64:return 324; // DOM_VK_NUMPAD4 -> GLFW_KEY_KP_4
case 0x65:return 325; // DOM_VK_NUMPAD5 -> GLFW_KEY_KP_5
case 0x66:return 326; // DOM_VK_NUMPAD6 -> GLFW_KEY_KP_6
case 0x67:return 327; // DOM_VK_NUMPAD7 -> GLFW_KEY_KP_7
case 0x68:return 328; // DOM_VK_NUMPAD8 -> GLFW_KEY_KP_8
case 0x69:return 329; // DOM_VK_NUMPAD9 -> GLFW_KEY_KP_9
case 0x6E:return 330; // DOM_VK_DECIMAL -> GLFW_KEY_KP_DECIMAL
case 0x6F:return 331; // DOM_VK_DIVIDE -> GLFW_KEY_KP_DIVIDE
case 0x6A:return 332; // DOM_VK_MULTIPLY -> GLFW_KEY_KP_MULTIPLY
case 0x6D:return 333; // DOM_VK_SUBTRACT -> GLFW_KEY_KP_SUBTRACT
case 0x6B:return 334; // DOM_VK_ADD -> GLFW_KEY_KP_ADD
// case 0x0D:return 335; // DOM_VK_RETURN -> GLFW_KEY_KP_ENTER (DOM_KEY_LOCATION_RIGHT)
// case 0x61:return 336; // DOM_VK_EQUALS -> GLFW_KEY_KP_EQUAL (DOM_KEY_LOCATION_RIGHT)
case 0x10:return 340; // DOM_VK_SHIFT -> GLFW_KEY_LEFT_SHIFT
case 0x11:return 341; // DOM_VK_CONTROL -> GLFW_KEY_LEFT_CONTROL
case 0x12:return 342; // DOM_VK_ALT -> GLFW_KEY_LEFT_ALT
case 0x5B:return 343; // DOM_VK_WIN -> GLFW_KEY_LEFT_SUPER
// case 0x10:return 344; // DOM_VK_SHIFT -> GLFW_KEY_RIGHT_SHIFT (DOM_KEY_LOCATION_RIGHT)
// case 0x11:return 345; // DOM_VK_CONTROL -> GLFW_KEY_RIGHT_CONTROL (DOM_KEY_LOCATION_RIGHT)
// case 0x12:return 346; // DOM_VK_ALT -> GLFW_KEY_RIGHT_ALT (DOM_KEY_LOCATION_RIGHT)
// case 0x5B:return 347; // DOM_VK_WIN -> GLFW_KEY_RIGHT_SUPER (DOM_KEY_LOCATION_RIGHT)
case 0x5D:return 348; // DOM_VK_CONTEXT_MENU -> GLFW_KEY_MENU
// XXX: GLFW_KEY_WORLD_1, GLFW_KEY_WORLD_2 what are these?
default:return -1; // GLFW_KEY_UNKNOWN
};
},getModBits:function(win) {
var mod = 0;
if (win.keys[340]) mod |= 0x0001; // GLFW_MOD_SHIFT
if (win.keys[341]) mod |= 0x0002; // GLFW_MOD_CONTROL
if (win.keys[342]) mod |= 0x0004; // GLFW_MOD_ALT
if (win.keys[343]) mod |= 0x0008; // GLFW_MOD_SUPER
return mod;
},onKeyPress:function(event) {
if (!GLFW.active || !GLFW.active.charFunc) return;
if (event.ctrlKey || event.metaKey) return;
// correct unicode charCode is only available with onKeyPress event
var charCode = event.charCode;
if (charCode == 0 || (charCode >= 0x00 && charCode <= 0x1F)) return;
getWasmTableEntry(GLFW.active.charFunc)(GLFW.active.id, charCode);
},onKeyChanged:function(keyCode, status) {
if (!GLFW.active) return;
var key = GLFW.DOMToGLV4KeyCode(keyCode);
if (key == -1) return;
var repeat = status && GLFW.active.keys[key];
GLFW.active.keys[key] = status;
GLFW.active.domKeys[keyCode] = status;
if (!GLFW.active.keyFunc) return;
if (repeat) status = 2; // GLFW_REPEAT
getWasmTableEntry(GLFW.active.keyFunc)(GLFW.active.id, key, keyCode, status, GLFW.getModBits(GLFW.active));
},onGamepadConnected:function(event) {
GLFW.refreshJoysticks();
},onGamepadDisconnected:function(event) {
GLFW.refreshJoysticks();
},onKeydown:function(event) {
GLFW.onKeyChanged(event.keyCode, 1); // GLFW_PRESS or GLFW_REPEAT
// This logic comes directly from the sdl implementation. We cannot
// call preventDefault on all keydown events otherwise onKeyPress will
// not get called
if (event.keyCode === 8 /* backspace */ || event.keyCode === 9 /* tab */) {
event.preventDefault();
}
},onKeyup:function(event) {
GLFW.onKeyChanged(event.keyCode, 0); // GLFW_RELEASE
},onBlur:function(event) {
if (!GLFW.active) return;
for (var i = 0; i < GLFW.active.domKeys.length; ++i) {
if (GLFW.active.domKeys[i]) {
GLFW.onKeyChanged(i, 0); // GLFW_RELEASE
}
}
},onMousemove:function(event) {
if (!GLFW.active) return;
Browser.calculateMouseEvent(event);
if (event.target != Module["canvas"] || !GLFW.active.cursorPosFunc) return;
getWasmTableEntry(GLFW.active.cursorPosFunc)(GLFW.active.id, Browser.mouseX, Browser.mouseY);
},DOMToGLFWMouseButton:function(event) {
// DOM and glfw have different button codes.
// See http://www.w3schools.com/jsref/event_button.asp.
var eventButton = event['button'];
if (eventButton > 0) {
if (eventButton == 1) {
eventButton = 2;
} else {
eventButton = 1;
}
}
return eventButton;
},onMouseenter:function(event) {
if (!GLFW.active) return;
if (event.target != Module["canvas"] || !GLFW.active.cursorEnterFunc) return;
getWasmTableEntry(GLFW.active.cursorEnterFunc)(GLFW.active.id, 1);
},onMouseleave:function(event) {
if (!GLFW.active) return;
if (event.target != Module["canvas"] || !GLFW.active.cursorEnterFunc) return;
getWasmTableEntry(GLFW.active.cursorEnterFunc)(GLFW.active.id, 0);
},onMouseButtonChanged:function(event, status) {
if (!GLFW.active) return;
Browser.calculateMouseEvent(event);
if (event.target != Module["canvas"]) return;
var eventButton = GLFW.DOMToGLFWMouseButton(event);
if (status == 1) { // GLFW_PRESS
GLFW.active.buttons |= (1 << eventButton);
try {
event.target.setCapture();
} catch (e) {}
} else { // GLFW_RELEASE
GLFW.active.buttons &= ~(1 << eventButton);
}
if (!GLFW.active.mouseButtonFunc) return;
getWasmTableEntry(GLFW.active.mouseButtonFunc)(GLFW.active.id, eventButton, status, GLFW.getModBits(GLFW.active));
},onMouseButtonDown:function(event) {
if (!GLFW.active) return;
GLFW.onMouseButtonChanged(event, 1); // GLFW_PRESS
},onMouseButtonUp:function(event) {
if (!GLFW.active) return;
GLFW.onMouseButtonChanged(event, 0); // GLFW_RELEASE
},onMouseWheel:function(event) {
// Note the minus sign that flips browser wheel direction (positive direction scrolls page down) to native wheel direction (positive direction is mouse wheel up)
var delta = -Browser.getMouseWheelDelta(event);
delta = (delta == 0) ? 0 : (delta > 0 ? Math.max(delta, 1) : Math.min(delta, -1)); // Quantize to integer so that minimum scroll is at least +/- 1.
GLFW.wheelPos += delta;
if (!GLFW.active || !GLFW.active.scrollFunc || event.target != Module['canvas']) return;
var sx = 0;
var sy = 0;
if (event.type == 'mousewheel') {
sx = event.wheelDeltaX;
sy = event.wheelDeltaY;
} else {
sx = event.deltaX;
sy = event.deltaY;
}
getWasmTableEntry(GLFW.active.scrollFunc)(GLFW.active.id, sx, sy);
event.preventDefault();
},onCanvasResize:function(width, height) {
if (!GLFW.active) return;
var resizeNeeded = true;
// If the client is requesting fullscreen mode
if (document["fullscreen"] || document["fullScreen"] || document["mozFullScreen"] || document["webkitIsFullScreen"]) {
GLFW.active.storedX = GLFW.active.x;
GLFW.active.storedY = GLFW.active.y;
GLFW.active.storedWidth = GLFW.active.width;
GLFW.active.storedHeight = GLFW.active.height;
GLFW.active.x = GLFW.active.y = 0;
GLFW.active.width = screen.width;
GLFW.active.height = screen.height;
GLFW.active.fullscreen = true;
// If the client is reverting from fullscreen mode
} else if (GLFW.active.fullscreen == true) {
GLFW.active.x = GLFW.active.storedX;
GLFW.active.y = GLFW.active.storedY;
GLFW.active.width = GLFW.active.storedWidth;
GLFW.active.height = GLFW.active.storedHeight;
GLFW.active.fullscreen = false;
// If the width/height values do not match current active window sizes
} else if (GLFW.active.width != width || GLFW.active.height != height) {
GLFW.active.width = width;
GLFW.active.height = height;
} else {
resizeNeeded = false;
}
// If any of the above conditions were true, we need to resize the canvas
if (resizeNeeded) {
// resets the canvas size to counter the aspect preservation of Browser.updateCanvasDimensions
Browser.setCanvasSize(GLFW.active.width, GLFW.active.height, true);
// TODO: Client dimensions (clientWidth/clientHeight) vs pixel dimensions (width/height) of
// the canvas should drive window and framebuffer size respectfully.
GLFW.onWindowSizeChanged();
GLFW.onFramebufferSizeChanged();
}
},onWindowSizeChanged:function() {
if (!GLFW.active) return;
if (!GLFW.active.windowSizeFunc) return;
callUserCallback(function() {
getWasmTableEntry(GLFW.active.windowSizeFunc)(GLFW.active.id, GLFW.active.width, GLFW.active.height);
});
},onFramebufferSizeChanged:function() {
if (!GLFW.active) return;
if (!GLFW.active.framebufferSizeFunc) return;
callUserCallback(function() {
getWasmTableEntry(GLFW.active.framebufferSizeFunc)(GLFW.active.id, GLFW.active.width, GLFW.active.height);
});
},getTime:function() {
return _emscripten_get_now() / 1000;
},setWindowTitle:function(winid, title) {
var win = GLFW.WindowFromId(winid);
if (!win) return;
win.title = UTF8ToString(title);
if (GLFW.active.id == win.id) {
document.title = win.title;
}
},setJoystickCallback:function(cbfun) {
GLFW.joystickFunc = cbfun;
GLFW.refreshJoysticks();
},joys:{},lastGamepadState:null,lastGamepadStateFrame:null,refreshJoysticks:function() {
// Produce a new Gamepad API sample if we are ticking a new game frame, or if not using emscripten_set_main_loop() at all to drive animation.
if (Browser.mainLoop.currentFrameNumber !== GLFW.lastGamepadStateFrame || !Browser.mainLoop.currentFrameNumber) {
GLFW.lastGamepadState = navigator.getGamepads ? navigator.getGamepads() : (navigator.webkitGetGamepads ? navigator.webkitGetGamepads : null);
GLFW.lastGamepadStateFrame = Browser.mainLoop.currentFrameNumber;
for (var joy = 0; joy < GLFW.lastGamepadState.length; ++joy) {
var gamepad = GLFW.lastGamepadState[joy];
if (gamepad) {
if (!GLFW.joys[joy]) {
out('glfw joystick connected:',joy);
GLFW.joys[joy] = {
id: allocate(intArrayFromString(gamepad.id), ALLOC_NORMAL),
buttonsCount: gamepad.buttons.length,
axesCount: gamepad.axes.length,
buttons: allocate(new Array(gamepad.buttons.length), ALLOC_NORMAL),
axes: allocate(new Array(gamepad.axes.length*4), ALLOC_NORMAL)
};
if (GLFW.joystickFunc) {
getWasmTableEntry(GLFW.joystickFunc)(joy, 0x00040001); // GLFW_CONNECTED
}
}
var data = GLFW.joys[joy];
for (var i = 0; i < gamepad.buttons.length; ++i) {
setValue(data.buttons + i, gamepad.buttons[i].pressed, 'i8');
}
for (var i = 0; i < gamepad.axes.length; ++i) {
setValue(data.axes + i*4, gamepad.axes[i], 'float');
}
} else {
if (GLFW.joys[joy]) {
out('glfw joystick disconnected',joy);
if (GLFW.joystickFunc) {
getWasmTableEntry(GLFW.joystickFunc)(joy, 0x00040002); // GLFW_DISCONNECTED
}
_free(GLFW.joys[joy].id);
_free(GLFW.joys[joy].buttons);
_free(GLFW.joys[joy].axes);
delete GLFW.joys[joy];
}
}
}
}
},setKeyCallback:function(winid, cbfun) {
var win = GLFW.WindowFromId(winid);
if (!win) return null;
var prevcbfun = win.keyFunc;
win.keyFunc = cbfun;
return prevcbfun;
},setCharCallback:function(winid, cbfun) {
var win = GLFW.WindowFromId(winid);
if (!win) return null;
var prevcbfun = win.charFunc;
win.charFunc = cbfun;
return prevcbfun;
},setMouseButtonCallback:function(winid, cbfun) {
var win = GLFW.WindowFromId(winid);
if (!win) return null;
var prevcbfun = win.mouseButtonFunc;
win.mouseButtonFunc = cbfun;
return prevcbfun;
},setCursorPosCallback:function(winid, cbfun) {
var win = GLFW.WindowFromId(winid);
if (!win) return null;
var prevcbfun = win.cursorPosFunc;
win.cursorPosFunc = cbfun;
return prevcbfun;
},setScrollCallback:function(winid, cbfun) {
var win = GLFW.WindowFromId(winid);
if (!win) return null;
var prevcbfun = win.scrollFunc;
win.scrollFunc = cbfun;
return prevcbfun;
},setDropCallback:function(winid, cbfun) {
var win = GLFW.WindowFromId(winid);
if (!win) return null;
var prevcbfun = win.dropFunc;
win.dropFunc = cbfun;
return prevcbfun;
},onDrop:function(event) {
if (!GLFW.active || !GLFW.active.dropFunc) return;
if (!event.dataTransfer || !event.dataTransfer.files || event.dataTransfer.files.length == 0) return;
event.preventDefault();
var filenames = allocate(new Array(event.dataTransfer.files.length*4), ALLOC_NORMAL);
var filenamesArray = [];
var count = event.dataTransfer.files.length;
// Read and save the files to emscripten's FS
var written = 0;
var drop_dir = '.glfw_dropped_files';
FS.createPath('/', drop_dir);
function save(file) {
var path = '/' + drop_dir + '/' + file.name.replace(/\//g, '_');
var reader = new FileReader();
reader.onloadend = function(e) {
if (reader.readyState != 2) { // not DONE
++written;
out('failed to read dropped file: '+file.name+': '+reader.error);
return;
}
var data = e.target.result;
FS.writeFile(path, new Uint8Array(data));
if (++written === count) {
getWasmTableEntry(GLFW.active.dropFunc)(GLFW.active.id, count, filenames);
for (var i = 0; i < filenamesArray.length; ++i) {
_free(filenamesArray[i]);
}
_free(filenames);
}
};
reader.readAsArrayBuffer(file);
var filename = allocate(intArrayFromString(path), ALLOC_NORMAL);
filenamesArray.push(filename);
setValue(filenames + i*4, filename, 'i8*');
}
for (var i = 0; i < count; ++i) {
save(event.dataTransfer.files[i]);
}
return false;
},onDragover:function(event) {
if (!GLFW.active || !GLFW.active.dropFunc) return;
event.preventDefault();
return false;
},setWindowSizeCallback:function(winid, cbfun) {
var win = GLFW.WindowFromId(winid);
if (!win) return null;
var prevcbfun = win.windowSizeFunc;
win.windowSizeFunc = cbfun;
return prevcbfun;
},setWindowCloseCallback:function(winid, cbfun) {
var win = GLFW.WindowFromId(winid);
if (!win) return null;
var prevcbfun = win.windowCloseFunc;
win.windowCloseFunc = cbfun;
return prevcbfun;
},setWindowRefreshCallback:function(winid, cbfun) {
var win = GLFW.WindowFromId(winid);
if (!win) return null;
var prevcbfun = win.windowRefreshFunc;
win.windowRefreshFunc = cbfun;
return prevcbfun;
},onClickRequestPointerLock:function(e) {
if (!Browser.pointerLock && Module['canvas'].requestPointerLock) {
Module['canvas'].requestPointerLock();
e.preventDefault();
}
},setInputMode:function(winid, mode, value) {
var win = GLFW.WindowFromId(winid);
if (!win) return;
switch (mode) {
case 0x00033001: { // GLFW_CURSOR
switch (value) {
case 0x00034001: { // GLFW_CURSOR_NORMAL
win.inputModes[mode] = value;
Module['canvas'].removeEventListener('click', GLFW.onClickRequestPointerLock, true);
Module['canvas'].exitPointerLock();
break;
}
case 0x00034002: { // GLFW_CURSOR_HIDDEN
out("glfwSetInputMode called with GLFW_CURSOR_HIDDEN value not implemented.");
break;
}
case 0x00034003: { // GLFW_CURSOR_DISABLED
win.inputModes[mode] = value;
Module['canvas'].addEventListener('click', GLFW.onClickRequestPointerLock, true);
Module['canvas'].requestPointerLock();
break;
}
default: {
out("glfwSetInputMode called with unknown value parameter value: " + value + ".");
break;
}
}
break;
}
case 0x00033002: { // GLFW_STICKY_KEYS
out("glfwSetInputMode called with GLFW_STICKY_KEYS mode not implemented.");
break;
}
case 0x00033003: { // GLFW_STICKY_MOUSE_BUTTONS
out("glfwSetInputMode called with GLFW_STICKY_MOUSE_BUTTONS mode not implemented.");
break;
}
default: {
out("glfwSetInputMode called with unknown mode parameter value: " + mode + ".");
break;
}
}
},getKey:function(winid, key) {
var win = GLFW.WindowFromId(winid);
if (!win) return 0;
return win.keys[key];
},getMouseButton:function(winid, button) {
var win = GLFW.WindowFromId(winid);
if (!win) return 0;
return (win.buttons & (1 << button)) > 0;
},getCursorPos:function(winid, x, y) {
setValue(x, Browser.mouseX, 'double');
setValue(y, Browser.mouseY, 'double');
},getMousePos:function(winid, x, y) {
setValue(x, Browser.mouseX, 'i32');
setValue(y, Browser.mouseY, 'i32');
},setCursorPos:function(winid, x, y) {
},getWindowPos:function(winid, x, y) {
var wx = 0;
var wy = 0;
var win = GLFW.WindowFromId(winid);
if (win) {
wx = win.x;
wy = win.y;
}
if (x) {
setValue(x, wx, 'i32');
}
if (y) {
setValue(y, wy, 'i32');
}
},setWindowPos:function(winid, x, y) {
var win = GLFW.WindowFromId(winid);
if (!win) return;
win.x = x;
win.y = y;
},getWindowSize:function(winid, width, height) {
var ww = 0;
var wh = 0;
var win = GLFW.WindowFromId(winid);
if (win) {
ww = win.width;
wh = win.height;
}
if (width) {
setValue(width, ww, 'i32');
}
if (height) {
setValue(height, wh, 'i32');
}
},setWindowSize:function(winid, width, height) {
var win = GLFW.WindowFromId(winid);
if (!win) return;
if (GLFW.active.id == win.id) {
if (width == screen.width && height == screen.height) {
Browser.requestFullscreen();
} else {
Browser.exitFullscreen();
Browser.setCanvasSize(width, height);
win.width = width;
win.height = height;
}
}
if (!win.windowSizeFunc) return;
getWasmTableEntry(win.windowSizeFunc)(win.id, width, height);
},createWindow:function(width, height, title, monitor, share) {
var i, id;
for (i = 0; i < GLFW.windows.length && GLFW.windows[i] !== null; i++) {
// no-op
}
if (i > 0) throw "glfwCreateWindow only supports one window at time currently";
// id for window
id = i + 1;
// not valid
if (width <= 0 || height <= 0) return 0;
if (monitor) {
Browser.requestFullscreen();
} else {
Browser.setCanvasSize(width, height);
}
// Create context when there are no existing alive windows
for (i = 0; i < GLFW.windows.length && GLFW.windows[i] == null; i++) {
// no-op
}
var useWebGL = GLFW.hints[0x00022001] > 0; // Use WebGL when we are told to based on GLFW_CLIENT_API
if (i == GLFW.windows.length) {
if (useWebGL) {
var contextAttributes = {
antialias: (GLFW.hints[0x0002100D] > 1), // GLFW_SAMPLES
depth: (GLFW.hints[0x00021005] > 0), // GLFW_DEPTH_BITS
stencil: (GLFW.hints[0x00021006] > 0), // GLFW_STENCIL_BITS
alpha: (GLFW.hints[0x00021004] > 0) // GLFW_ALPHA_BITS
}
Module.ctx = Browser.createContext(Module['canvas'], true, true, contextAttributes);
} else {
Browser.init();
}
}
// If context creation failed, do not return a valid window
if (!Module.ctx && useWebGL) return 0;
// Get non alive id
var win = new GLFW_Window(id, width, height, title, monitor, share);
// Set window to array
if (id - 1 == GLFW.windows.length) {
GLFW.windows.push(win);
} else {
GLFW.windows[id - 1] = win;
}
GLFW.active = win;
return win.id;
},destroyWindow:function(winid) {
var win = GLFW.WindowFromId(winid);
if (!win) return;
if (win.windowCloseFunc)
getWasmTableEntry(win.windowCloseFunc)(win.id);
GLFW.windows[win.id - 1] = null;
if (GLFW.active.id == win.id)
GLFW.active = null;
// Destroy context when no alive windows
for (var i = 0; i < GLFW.windows.length; i++)
if (GLFW.windows[i] !== null) return;
Module.ctx = Browser.destroyContext(Module['canvas'], true, true);
},swapBuffers:function(winid) {
},GLFW2ParamToGLFW3Param:function(param) {
var table = {
0x00030001:0, // GLFW_MOUSE_CURSOR
0x00030002:0, // GLFW_STICKY_KEYS
0x00030003:0, // GLFW_STICKY_MOUSE_BUTTONS
0x00030004:0, // GLFW_SYSTEM_KEYS
0x00030005:0, // GLFW_KEY_REPEAT
0x00030006:0, // GLFW_AUTO_POLL_EVENTS
0x00020001:0, // GLFW_OPENED
0x00020002:0, // GLFW_ACTIVE
0x00020003:0, // GLFW_ICONIFIED
0x00020004:0, // GLFW_ACCELERATED
0x00020005:0x00021001, // GLFW_RED_BITS
0x00020006:0x00021002, // GLFW_GREEN_BITS
0x00020007:0x00021003, // GLFW_BLUE_BITS
0x00020008:0x00021004, // GLFW_ALPHA_BITS
0x00020009:0x00021005, // GLFW_DEPTH_BITS
0x0002000A:0x00021006, // GLFW_STENCIL_BITS
0x0002000B:0x0002100F, // GLFW_REFRESH_RATE
0x0002000C:0x00021007, // GLFW_ACCUM_RED_BITS
0x0002000D:0x00021008, // GLFW_ACCUM_GREEN_BITS
0x0002000E:0x00021009, // GLFW_ACCUM_BLUE_BITS
0x0002000F:0x0002100A, // GLFW_ACCUM_ALPHA_BITS
0x00020010:0x0002100B, // GLFW_AUX_BUFFERS
0x00020011:0x0002100C, // GLFW_STEREO
0x00020012:0, // GLFW_WINDOW_NO_RESIZE
0x00020013:0x0002100D, // GLFW_FSAA_SAMPLES
0x00020014:0x00022002, // GLFW_OPENGL_VERSION_MAJOR
0x00020015:0x00022003, // GLFW_OPENGL_VERSION_MINOR
0x00020016:0x00022006, // GLFW_OPENGL_FORWARD_COMPAT
0x00020017:0x00022007, // GLFW_OPENGL_DEBUG_CONTEXT
0x00020018:0x00022008, // GLFW_OPENGL_PROFILE
};
return table[param];
}};
function _glfwCreateWindow(width, height, title, monitor, share) {
return GLFW.createWindow(width, height, title, monitor, share);
}
function _glfwExtensionSupported(extension) {
if (!GLFW.extensions) {
GLFW.extensions = UTF8ToString(_glGetString(0x1F03)).split(' ');
}
if (GLFW.extensions.includes(extension)) return 1;
// extensions from GLEmulations do not come unprefixed
// so, try with prefix
return (GLFW.extensions.includes("GL_" + extension));
}
function _glfwGetClipboardString(win) {}
function _glfwGetCursorPos(winid, x, y) {
GLFW.getCursorPos(winid, x, y);
}
function _glfwGetFramebufferSize(winid, width, height) {
var ww = 0;
var wh = 0;
var win = GLFW.WindowFromId(winid);
if (win) {
ww = win.width;
wh = win.height;
}
if (width) {
setValue(width, ww, 'i32');
}
if (height) {
setValue(height, wh, 'i32');
}
}
function _glfwGetInputMode(winid, mode) {
var win = GLFW.WindowFromId(winid);
if (!win) return;
switch (mode) {
case 0x00033001: { // GLFW_CURSOR
if (Browser.pointerLock) {
win.inputModes[mode] = 0x00034003; // GLFW_CURSOR_DISABLED
} else {
win.inputModes[mode] = 0x00034001; // GLFW_CURSOR_NORMAL
}
}
}
return win.inputModes[mode];
}
function _glfwGetKey(winid, key) {
return GLFW.getKey(winid, key);
}
function _glfwGetMonitorName(mon) {
if (!GLFW.monitorString) {
GLFW.monitorString = allocate(intArrayFromString("HTML5 WebGL Canvas"), ALLOC_NORMAL);
}
return GLFW.monitorString;
}
function _glfwGetMouseButton(winid, button) {
return GLFW.getMouseButton(winid, button);
}
function _glfwGetPrimaryMonitor() {
return 1;
}
function _glfwGetTime() {
return GLFW.getTime() - GLFW.initialTime;
}
function _glfwGetVideoMode(monitor) { return 0; }
function _glfwGetWindowSize(winid, width, height) {
GLFW.getWindowSize(winid, width, height);
}
function _glfwGetWindowUserPointer(winid) {
var win = GLFW.WindowFromId(winid);
if (!win) return 0;
return win.userptr;
}
function _glfwHideWindow(winid) {}
function _glfwInit() {
if (GLFW.windows) return 1; // GL_TRUE
GLFW.initialTime = GLFW.getTime();
GLFW.hints = GLFW.defaultHints;
GLFW.windows = new Array()
GLFW.active = null;
window.addEventListener("gamepadconnected", GLFW.onGamepadConnected, true);
window.addEventListener("gamepaddisconnected", GLFW.onGamepadDisconnected, true);
window.addEventListener("keydown", GLFW.onKeydown, true);
window.addEventListener("keypress", GLFW.onKeyPress, true);
window.addEventListener("keyup", GLFW.onKeyup, true);
window.addEventListener("blur", GLFW.onBlur, true);
Module["canvas"].addEventListener("touchmove", GLFW.onMousemove, true);
Module["canvas"].addEventListener("touchstart", GLFW.onMouseButtonDown, true);
Module["canvas"].addEventListener("touchcancel", GLFW.onMouseButtonUp, true);
Module["canvas"].addEventListener("touchend", GLFW.onMouseButtonUp, true);
Module["canvas"].addEventListener("mousemove", GLFW.onMousemove, true);
Module["canvas"].addEventListener("mousedown", GLFW.onMouseButtonDown, true);
Module["canvas"].addEventListener("mouseup", GLFW.onMouseButtonUp, true);
Module["canvas"].addEventListener('wheel', GLFW.onMouseWheel, true);
Module["canvas"].addEventListener('mousewheel', GLFW.onMouseWheel, true);
Module["canvas"].addEventListener('mouseenter', GLFW.onMouseenter, true);
Module["canvas"].addEventListener('mouseleave', GLFW.onMouseleave, true);
Module["canvas"].addEventListener('drop', GLFW.onDrop, true);
Module["canvas"].addEventListener('dragover', GLFW.onDragover, true);
Browser.resizeListeners.push(function(width, height) {
GLFW.onCanvasResize(width, height);
});
return 1; // GL_TRUE
}
function _glfwMakeContextCurrent(winid) {}
function _glfwPollEvents() {}
function _glfwSetCharCallback(winid, cbfun) {
return GLFW.setCharCallback(winid, cbfun);
}
function _glfwSetClipboardString(win, string) {}
function _glfwSetDropCallback(winid, cbfun) {
return GLFW.setDropCallback(winid, cbfun);
}
function _glfwSetErrorCallback(cbfun) {
var prevcbfun = GLFW.errorFunc;
GLFW.errorFunc = cbfun;
return prevcbfun;
}
function _glfwSetMouseButtonCallback(winid, cbfun) {
return GLFW.setMouseButtonCallback(winid, cbfun);
}
function _glfwSetScrollCallback(winid, cbfun) {
return GLFW.setScrollCallback(winid, cbfun);
}
function _glfwSetWindowAspectRatio(winid, numer, denom) {}
function _glfwSetWindowIcon(winid, count, images) {}
function _glfwSetWindowShouldClose(winid, value) {
var win = GLFW.WindowFromId(winid);
if (!win) return;
win.shouldClose = value;
}
function _glfwSetWindowSizeLimits(winid, minwidth, minheight, maxwidth, maxheight) {}
function _glfwSetWindowTitle(winid, title) {
GLFW.setWindowTitle(winid, title);
}
function _glfwSetWindowUserPointer(winid, ptr) {
var win = GLFW.WindowFromId(winid);
if (!win) return;
win.userptr = ptr;
}
function _glfwShowWindow(winid) {}
function _glfwSwapBuffers(winid) {
GLFW.swapBuffers(winid);
}
function _glfwSwapInterval(interval) {
interval = Math.abs(interval); // GLFW uses negative values to enable GLX_EXT_swap_control_tear, which we don't have, so just treat negative and positive the same.
if (interval == 0) _emscripten_set_main_loop_timing(0/*EM_TIMING_SETTIMEOUT*/, 0);
else _emscripten_set_main_loop_timing(1/*EM_TIMING_RAF*/, interval);
}
function _glfwTerminate() {
window.removeEventListener("gamepadconnected", GLFW.onGamepadConnected, true);
window.removeEventListener("gamepaddisconnected", GLFW.onGamepadDisconnected, true);
window.removeEventListener("keydown", GLFW.onKeydown, true);
window.removeEventListener("keypress", GLFW.onKeyPress, true);
window.removeEventListener("keyup", GLFW.onKeyup, true);
window.removeEventListener("blur", GLFW.onBlur, true);
Module["canvas"].removeEventListener("touchmove", GLFW.onMousemove, true);
Module["canvas"].removeEventListener("touchstart", GLFW.onMouseButtonDown, true);
Module["canvas"].removeEventListener("touchcancel", GLFW.onMouseButtonUp, true);
Module["canvas"].removeEventListener("touchend", GLFW.onMouseButtonUp, true);
Module["canvas"].removeEventListener("mousemove", GLFW.onMousemove, true);
Module["canvas"].removeEventListener("mousedown", GLFW.onMouseButtonDown, true);
Module["canvas"].removeEventListener("mouseup", GLFW.onMouseButtonUp, true);
Module["canvas"].removeEventListener('wheel', GLFW.onMouseWheel, true);
Module["canvas"].removeEventListener('mousewheel', GLFW.onMouseWheel, true);
Module["canvas"].removeEventListener('mouseenter', GLFW.onMouseenter, true);
Module["canvas"].removeEventListener('mouseleave', GLFW.onMouseleave, true);
Module["canvas"].removeEventListener('drop', GLFW.onDrop, true);
Module["canvas"].removeEventListener('dragover', GLFW.onDragover, true);
Module["canvas"].width = Module["canvas"].height = 1;
GLFW.windows = null;
GLFW.active = null;
}
function _glfwWindowHint(target, hint) {
GLFW.hints[target] = hint;
}
function _glfwWindowShouldClose(winid) {
var win = GLFW.WindowFromId(winid);
if (!win) return 0;
return win.shouldClose;
}
function _gmtime_r(time, tmPtr) {
var date = new Date(HEAP32[((time)>>2)]*1000);
HEAP32[((tmPtr)>>2)] = date.getUTCSeconds();
HEAP32[(((tmPtr)+(4))>>2)] = date.getUTCMinutes();
HEAP32[(((tmPtr)+(8))>>2)] = date.getUTCHours();
HEAP32[(((tmPtr)+(12))>>2)] = date.getUTCDate();
HEAP32[(((tmPtr)+(16))>>2)] = date.getUTCMonth();
HEAP32[(((tmPtr)+(20))>>2)] = date.getUTCFullYear()-1900;
HEAP32[(((tmPtr)+(24))>>2)] = date.getUTCDay();
HEAP32[(((tmPtr)+(36))>>2)] = 0;
HEAP32[(((tmPtr)+(32))>>2)] = 0;
var start = Date.UTC(date.getUTCFullYear(), 0, 1, 0, 0, 0, 0);
var yday = ((date.getTime() - start) / (1000 * 60 * 60 * 24))|0;
HEAP32[(((tmPtr)+(28))>>2)] = yday;
// Allocate a string "GMT" for us to point to.
if (!_gmtime_r.GMTString) _gmtime_r.GMTString = allocateUTF8("GMT");
HEAP32[(((tmPtr)+(40))>>2)] = _gmtime_r.GMTString;
return tmPtr;
}
function _mktime(tmPtr) {
_tzset();
var date = new Date(HEAP32[(((tmPtr)+(20))>>2)] + 1900,
HEAP32[(((tmPtr)+(16))>>2)],
HEAP32[(((tmPtr)+(12))>>2)],
HEAP32[(((tmPtr)+(8))>>2)],
HEAP32[(((tmPtr)+(4))>>2)],
HEAP32[((tmPtr)>>2)],
0);
// There's an ambiguous hour when the time goes back; the tm_isdst field is
// used to disambiguate it. Date() basically guesses, so we fix it up if it
// guessed wrong, or fill in tm_isdst with the guess if it's -1.
var dst = HEAP32[(((tmPtr)+(32))>>2)];
var guessedOffset = date.getTimezoneOffset();
var start = new Date(date.getFullYear(), 0, 1);
var summerOffset = new Date(date.getFullYear(), 6, 1).getTimezoneOffset();
var winterOffset = start.getTimezoneOffset();
var dstOffset = Math.min(winterOffset, summerOffset); // DST is in December in South
if (dst < 0) {
// Attention: some regions don't have DST at all.
HEAP32[(((tmPtr)+(32))>>2)] = Number(summerOffset != winterOffset && dstOffset == guessedOffset);
} else if ((dst > 0) != (dstOffset == guessedOffset)) {
var nonDstOffset = Math.max(winterOffset, summerOffset);
var trueOffset = dst > 0 ? dstOffset : nonDstOffset;
// Don't try setMinutes(date.getMinutes() + ...) -- it's messed up.
date.setTime(date.getTime() + (trueOffset - guessedOffset)*60000);
}
HEAP32[(((tmPtr)+(24))>>2)] = date.getDay();
var yday = ((date.getTime() - start.getTime()) / (1000 * 60 * 60 * 24))|0;
HEAP32[(((tmPtr)+(28))>>2)] = yday;
// To match expected behavior, update fields from date
HEAP32[((tmPtr)>>2)] = date.getSeconds();
HEAP32[(((tmPtr)+(4))>>2)] = date.getMinutes();
HEAP32[(((tmPtr)+(8))>>2)] = date.getHours();
HEAP32[(((tmPtr)+(12))>>2)] = date.getDate();
HEAP32[(((tmPtr)+(16))>>2)] = date.getMonth();
return (date.getTime() / 1000)|0;
}
function _setTempRet0(val) {
setTempRet0(val);
}
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 _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;
} else {
return thisDate.getFullYear();
}
} else {
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';
} else {
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) {
// Replaced by the week number of the year as a decimal number [00,53].
// The first Sunday of January is the first day of week 1;
// days in the new year before this are in week 0. [ tm_year, tm_wday, tm_yday]
var janFirst = new Date(date.tm_year+1900, 0, 1);
var firstSunday = janFirst.getDay() === 0 ? janFirst : __addDays(janFirst, 7-janFirst.getDay());
var endDate = new Date(date.tm_year+1900, date.tm_mon, date.tm_mday);
// is target date after the first Sunday?
if (compareByDay(firstSunday, endDate) < 0) {
// calculate difference in days between first Sunday and endDate
var februaryFirstUntilEndMonth = __arraySum(__isLeapYear(endDate.getFullYear()) ? __MONTH_DAYS_LEAP : __MONTH_DAYS_REGULAR, endDate.getMonth()-1)-31;
var firstSundayUntilEndJanuary = 31-firstSunday.getDate();
var days = firstSundayUntilEndJanuary+februaryFirstUntilEndMonth+endDate.getDate();
return leadingNulls(Math.ceil(days/7), 2);
}
return compareByDay(firstSunday, janFirst) === 0 ? '01': '00';
},
'%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 janFourthThisYear = new Date(date.tm_year+1900, 0, 4);
var janFourthNextYear = new Date(date.tm_year+1901, 0, 4);
var firstWeekStartThisYear = getFirstWeekStartDate(janFourthThisYear);
var firstWeekStartNextYear = getFirstWeekStartDate(janFourthNextYear);
var endDate = __addDays(new Date(date.tm_year+1900, 0, 1), date.tm_yday);
if (compareByDay(endDate, firstWeekStartThisYear) < 0) {
// if given date is before this years first week, then it belongs to the 53rd week of last year
return '53';
}
if (compareByDay(firstWeekStartNextYear, endDate) <= 0) {
// if given date is after next years first week, then it belongs to the 01th week of next year
return '01';
}
// given date is in between CW 01..53 of this calendar year
var daysDifference;
if (firstWeekStartThisYear.getFullYear() < date.tm_year+1900) {
// first CW of this year starts last year
daysDifference = date.tm_yday+32-firstWeekStartThisYear.getDate()
} else {
// first CW of this year starts this year
daysDifference = date.tm_yday+1-firstWeekStartThisYear.getDate();
}
return leadingNulls(Math.ceil(daysDifference/7), 2);
},
'%w': function(date) {
return date.tm_wday;
},
'%W': function(date) {
// Replaced by the week number of the year as a decimal number [00,53].
// The first Monday of January is the first day of week 1;
// days in the new year before this are in week 0. [ tm_year, tm_wday, tm_yday]
var janFirst = new Date(date.tm_year, 0, 1);
var firstMonday = janFirst.getDay() === 1 ? janFirst : __addDays(janFirst, janFirst.getDay() === 0 ? 1 : 7-janFirst.getDay()+1);
var endDate = new Date(date.tm_year+1900, date.tm_mon, date.tm_mday);
// is target date after the first Monday?
if (compareByDay(firstMonday, endDate) < 0) {
var februaryFirstUntilEndMonth = __arraySum(__isLeapYear(endDate.getFullYear()) ? __MONTH_DAYS_LEAP : __MONTH_DAYS_REGULAR, endDate.getMonth()-1)-31;
var firstMondayUntilEndJanuary = 31-firstMonday.getDate();
var days = firstMondayUntilEndJanuary+februaryFirstUntilEndMonth+endDate.getDate();
return leadingNulls(Math.ceil(days/7), 2);
}
return compareByDay(firstMonday, janFirst) === 0 ? '01': '00';
},
'%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 '%';
}
};
for (var rule in EXPANSION_RULES_2) {
if (pattern.includes(rule)) {
pattern = pattern.replace(new RegExp(rule, 'g'), EXPANSION_RULES_2[rule](date));
}
}
var bytes = intArrayFromString(pattern, false);
if (bytes.length > maxsize) {
return 0;
}
writeArrayToMemory(bytes, s);
return bytes.length-1;
}
function _system(command) {
// int system(const char *command);
// http://pubs.opengroup.org/onlinepubs/000095399/functions/system.html
// Can't call external programs.
if (!command) return 0; // no shell available
setErrNo(52);
return -1;
}
function _time(ptr) {
;
var ret = (Date.now()/1000)|0;
if (ptr) {
HEAP32[((ptr)>>2)] = ret;
}
return ret;
}
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.staticInit();Module["FS_createPath"] = FS.createPath;Module["FS_createDataFile"] = FS.createDataFile;Module["FS_createPreloadedFile"] = FS.createPreloadedFile;Module["FS_createLazyFile"] = FS.createLazyFile;Module["FS_createDevice"] = FS.createDevice;Module["FS_unlink"] = FS.unlink;;
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,
};;
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 GLctx;;
for (var i = 0; i < 32; ++i) tempFixedLengthArray.push(new Array(i));;
var miniTempWebGLFloatBuffersStorage = new Float32Array(288);
for (/**@suppress{duplicate}*/var i = 0; i < 288; ++i) {
miniTempWebGLFloatBuffers[i] = miniTempWebGLFloatBuffersStorage.subarray(0, i+1);
}
;
var __miniTempWebGLIntBuffersStorage = new Int32Array(288);
for (/**@suppress{duplicate}*/var i = 0; i < 288; ++i) {
__miniTempWebGLIntBuffers[i] = __miniTempWebGLIntBuffersStorage.subarray(0, i+1);
}
;
var ASSERTIONS = true;
/** @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;
}
function intArrayToString(array) {
var ret = [];
for (var i = 0; i < array.length; i++) {
var chr = array[i];
if (chr > 0xFF) {
if (ASSERTIONS) {
assert(false, 'Character code ' + chr + ' (' + String.fromCharCode(chr) + ') at offset ' + i + ' not in 0x00-0xFF.');
}
chr &= 0xFF;
}
ret.push(String.fromCharCode(chr));
}
return ret.join('');
}
// 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) {
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));
}
var asmLibraryArg = {
"__assert_fail": ___assert_fail,
"__call_sighandler": ___call_sighandler,
"__clock_gettime": ___clock_gettime,
"__localtime_r": ___localtime_r,
"__syscall_chdir": ___syscall_chdir,
"__syscall_dup3": ___syscall_dup3,
"__syscall_fcntl64": ___syscall_fcntl64,
"__syscall_fstat64": ___syscall_fstat64,
"__syscall_fstatat64": ___syscall_fstatat64,
"__syscall_ftruncate64": ___syscall_ftruncate64,
"__syscall_getcwd": ___syscall_getcwd,
"__syscall_getdents64": ___syscall_getdents64,
"__syscall_ioctl": ___syscall_ioctl,
"__syscall_lstat64": ___syscall_lstat64,
"__syscall_mkdir": ___syscall_mkdir,
"__syscall_open": ___syscall_open,
"__syscall_readlink": ___syscall_readlink,
"__syscall_rename": ___syscall_rename,
"__syscall_rmdir": ___syscall_rmdir,
"__syscall_stat64": ___syscall_stat64,
"__syscall_unlink": ___syscall_unlink,
"_dlopen_js": __dlopen_js,
"_dlsym_js": __dlsym_js,
"_emscripten_throw_longjmp": __emscripten_throw_longjmp,
"abort": _abort,
"atexit": _atexit,
"clock": _clock,
"clock_gettime": _clock_gettime,
"difftime": _difftime,
"emscripten_asm_const_int": _emscripten_asm_const_int,
"emscripten_cancel_main_loop": _emscripten_cancel_main_loop,
"emscripten_get_fullscreen_status": _emscripten_get_fullscreen_status,
"emscripten_get_gamepad_status": _emscripten_get_gamepad_status,
"emscripten_get_heap_max": _emscripten_get_heap_max,
"emscripten_get_now": _emscripten_get_now,
"emscripten_glActiveTexture": _emscripten_glActiveTexture,
"emscripten_glAttachShader": _emscripten_glAttachShader,
"emscripten_glBeginQuery": _emscripten_glBeginQuery,
"emscripten_glBeginQueryEXT": _emscripten_glBeginQueryEXT,
"emscripten_glBeginTransformFeedback": _emscripten_glBeginTransformFeedback,
"emscripten_glBindAttribLocation": _emscripten_glBindAttribLocation,
"emscripten_glBindBuffer": _emscripten_glBindBuffer,
"emscripten_glBindBufferBase": _emscripten_glBindBufferBase,
"emscripten_glBindBufferRange": _emscripten_glBindBufferRange,
"emscripten_glBindFramebuffer": _emscripten_glBindFramebuffer,
"emscripten_glBindRenderbuffer": _emscripten_glBindRenderbuffer,
"emscripten_glBindSampler": _emscripten_glBindSampler,
"emscripten_glBindTexture": _emscripten_glBindTexture,
"emscripten_glBindTransformFeedback": _emscripten_glBindTransformFeedback,
"emscripten_glBindVertexArray": _emscripten_glBindVertexArray,
"emscripten_glBindVertexArrayOES": _emscripten_glBindVertexArrayOES,
"emscripten_glBlendColor": _emscripten_glBlendColor,
"emscripten_glBlendEquation": _emscripten_glBlendEquation,
"emscripten_glBlendEquationSeparate": _emscripten_glBlendEquationSeparate,
"emscripten_glBlendFunc": _emscripten_glBlendFunc,
"emscripten_glBlendFuncSeparate": _emscripten_glBlendFuncSeparate,
"emscripten_glBlitFramebuffer": _emscripten_glBlitFramebuffer,
"emscripten_glBufferData": _emscripten_glBufferData,
"emscripten_glBufferSubData": _emscripten_glBufferSubData,
"emscripten_glCheckFramebufferStatus": _emscripten_glCheckFramebufferStatus,
"emscripten_glClear": _emscripten_glClear,
"emscripten_glClearBufferfi": _emscripten_glClearBufferfi,
"emscripten_glClearBufferfv": _emscripten_glClearBufferfv,
"emscripten_glClearBufferiv": _emscripten_glClearBufferiv,
"emscripten_glClearBufferuiv": _emscripten_glClearBufferuiv,
"emscripten_glClearColor": _emscripten_glClearColor,
"emscripten_glClearDepthf": _emscripten_glClearDepthf,
"emscripten_glClearStencil": _emscripten_glClearStencil,
"emscripten_glClientWaitSync": _emscripten_glClientWaitSync,
"emscripten_glColorMask": _emscripten_glColorMask,
"emscripten_glCompileShader": _emscripten_glCompileShader,
"emscripten_glCompressedTexImage2D": _emscripten_glCompressedTexImage2D,
"emscripten_glCompressedTexImage3D": _emscripten_glCompressedTexImage3D,
"emscripten_glCompressedTexSubImage2D": _emscripten_glCompressedTexSubImage2D,
"emscripten_glCompressedTexSubImage3D": _emscripten_glCompressedTexSubImage3D,
"emscripten_glCopyBufferSubData": _emscripten_glCopyBufferSubData,
"emscripten_glCopyTexImage2D": _emscripten_glCopyTexImage2D,
"emscripten_glCopyTexSubImage2D": _emscripten_glCopyTexSubImage2D,
"emscripten_glCopyTexSubImage3D": _emscripten_glCopyTexSubImage3D,
"emscripten_glCreateProgram": _emscripten_glCreateProgram,
"emscripten_glCreateShader": _emscripten_glCreateShader,
"emscripten_glCullFace": _emscripten_glCullFace,
"emscripten_glDeleteBuffers": _emscripten_glDeleteBuffers,
"emscripten_glDeleteFramebuffers": _emscripten_glDeleteFramebuffers,
"emscripten_glDeleteProgram": _emscripten_glDeleteProgram,
"emscripten_glDeleteQueries": _emscripten_glDeleteQueries,
"emscripten_glDeleteQueriesEXT": _emscripten_glDeleteQueriesEXT,
"emscripten_glDeleteRenderbuffers": _emscripten_glDeleteRenderbuffers,
"emscripten_glDeleteSamplers": _emscripten_glDeleteSamplers,
"emscripten_glDeleteShader": _emscripten_glDeleteShader,
"emscripten_glDeleteSync": _emscripten_glDeleteSync,
"emscripten_glDeleteTextures": _emscripten_glDeleteTextures,
"emscripten_glDeleteTransformFeedbacks": _emscripten_glDeleteTransformFeedbacks,
"emscripten_glDeleteVertexArrays": _emscripten_glDeleteVertexArrays,
"emscripten_glDeleteVertexArraysOES": _emscripten_glDeleteVertexArraysOES,
"emscripten_glDepthFunc": _emscripten_glDepthFunc,
"emscripten_glDepthMask": _emscripten_glDepthMask,
"emscripten_glDepthRangef": _emscripten_glDepthRangef,
"emscripten_glDetachShader": _emscripten_glDetachShader,
"emscripten_glDisable": _emscripten_glDisable,
"emscripten_glDisableVertexAttribArray": _emscripten_glDisableVertexAttribArray,
"emscripten_glDrawArrays": _emscripten_glDrawArrays,
"emscripten_glDrawArraysInstanced": _emscripten_glDrawArraysInstanced,
"emscripten_glDrawArraysInstancedANGLE": _emscripten_glDrawArraysInstancedANGLE,
"emscripten_glDrawArraysInstancedARB": _emscripten_glDrawArraysInstancedARB,
"emscripten_glDrawArraysInstancedEXT": _emscripten_glDrawArraysInstancedEXT,
"emscripten_glDrawArraysInstancedNV": _emscripten_glDrawArraysInstancedNV,
"emscripten_glDrawBuffers": _emscripten_glDrawBuffers,
"emscripten_glDrawBuffersEXT": _emscripten_glDrawBuffersEXT,
"emscripten_glDrawBuffersWEBGL": _emscripten_glDrawBuffersWEBGL,
"emscripten_glDrawElements": _emscripten_glDrawElements,
"emscripten_glDrawElementsInstanced": _emscripten_glDrawElementsInstanced,
"emscripten_glDrawElementsInstancedANGLE": _emscripten_glDrawElementsInstancedANGLE,
"emscripten_glDrawElementsInstancedARB": _emscripten_glDrawElementsInstancedARB,
"emscripten_glDrawElementsInstancedEXT": _emscripten_glDrawElementsInstancedEXT,
"emscripten_glDrawElementsInstancedNV": _emscripten_glDrawElementsInstancedNV,
"emscripten_glDrawRangeElements": _emscripten_glDrawRangeElements,
"emscripten_glEnable": _emscripten_glEnable,
"emscripten_glEnableVertexAttribArray": _emscripten_glEnableVertexAttribArray,
"emscripten_glEndQuery": _emscripten_glEndQuery,
"emscripten_glEndQueryEXT": _emscripten_glEndQueryEXT,
"emscripten_glEndTransformFeedback": _emscripten_glEndTransformFeedback,
"emscripten_glFenceSync": _emscripten_glFenceSync,
"emscripten_glFinish": _emscripten_glFinish,
"emscripten_glFlush": _emscripten_glFlush,
"emscripten_glFlushMappedBufferRange": _emscripten_glFlushMappedBufferRange,
"emscripten_glFramebufferRenderbuffer": _emscripten_glFramebufferRenderbuffer,
"emscripten_glFramebufferTexture2D": _emscripten_glFramebufferTexture2D,
"emscripten_glFramebufferTextureLayer": _emscripten_glFramebufferTextureLayer,
"emscripten_glFrontFace": _emscripten_glFrontFace,
"emscripten_glGenBuffers": _emscripten_glGenBuffers,
"emscripten_glGenFramebuffers": _emscripten_glGenFramebuffers,
"emscripten_glGenQueries": _emscripten_glGenQueries,
"emscripten_glGenQueriesEXT": _emscripten_glGenQueriesEXT,
"emscripten_glGenRenderbuffers": _emscripten_glGenRenderbuffers,
"emscripten_glGenSamplers": _emscripten_glGenSamplers,
"emscripten_glGenTextures": _emscripten_glGenTextures,
"emscripten_glGenTransformFeedbacks": _emscripten_glGenTransformFeedbacks,
"emscripten_glGenVertexArrays": _emscripten_glGenVertexArrays,
"emscripten_glGenVertexArraysOES": _emscripten_glGenVertexArraysOES,
"emscripten_glGenerateMipmap": _emscripten_glGenerateMipmap,
"emscripten_glGetActiveAttrib": _emscripten_glGetActiveAttrib,
"emscripten_glGetActiveUniform": _emscripten_glGetActiveUniform,
"emscripten_glGetActiveUniformBlockName": _emscripten_glGetActiveUniformBlockName,
"emscripten_glGetActiveUniformBlockiv": _emscripten_glGetActiveUniformBlockiv,
"emscripten_glGetActiveUniformsiv": _emscripten_glGetActiveUniformsiv,
"emscripten_glGetAttachedShaders": _emscripten_glGetAttachedShaders,
"emscripten_glGetAttribLocation": _emscripten_glGetAttribLocation,
"emscripten_glGetBooleanv": _emscripten_glGetBooleanv,
"emscripten_glGetBufferParameteri64v": _emscripten_glGetBufferParameteri64v,
"emscripten_glGetBufferParameteriv": _emscripten_glGetBufferParameteriv,
"emscripten_glGetBufferPointerv": _emscripten_glGetBufferPointerv,
"emscripten_glGetError": _emscripten_glGetError,
"emscripten_glGetFloatv": _emscripten_glGetFloatv,
"emscripten_glGetFragDataLocation": _emscripten_glGetFragDataLocation,
"emscripten_glGetFramebufferAttachmentParameteriv": _emscripten_glGetFramebufferAttachmentParameteriv,
"emscripten_glGetInteger64i_v": _emscripten_glGetInteger64i_v,
"emscripten_glGetInteger64v": _emscripten_glGetInteger64v,
"emscripten_glGetIntegeri_v": _emscripten_glGetIntegeri_v,
"emscripten_glGetIntegerv": _emscripten_glGetIntegerv,
"emscripten_glGetInternalformativ": _emscripten_glGetInternalformativ,
"emscripten_glGetProgramBinary": _emscripten_glGetProgramBinary,
"emscripten_glGetProgramInfoLog": _emscripten_glGetProgramInfoLog,
"emscripten_glGetProgramiv": _emscripten_glGetProgramiv,
"emscripten_glGetQueryObjecti64vEXT": _emscripten_glGetQueryObjecti64vEXT,
"emscripten_glGetQueryObjectivEXT": _emscripten_glGetQueryObjectivEXT,
"emscripten_glGetQueryObjectui64vEXT": _emscripten_glGetQueryObjectui64vEXT,
"emscripten_glGetQueryObjectuiv": _emscripten_glGetQueryObjectuiv,
"emscripten_glGetQueryObjectuivEXT": _emscripten_glGetQueryObjectuivEXT,
"emscripten_glGetQueryiv": _emscripten_glGetQueryiv,
"emscripten_glGetQueryivEXT": _emscripten_glGetQueryivEXT,
"emscripten_glGetRenderbufferParameteriv": _emscripten_glGetRenderbufferParameteriv,
"emscripten_glGetSamplerParameterfv": _emscripten_glGetSamplerParameterfv,
"emscripten_glGetSamplerParameteriv": _emscripten_glGetSamplerParameteriv,
"emscripten_glGetShaderInfoLog": _emscripten_glGetShaderInfoLog,
"emscripten_glGetShaderPrecisionFormat": _emscripten_glGetShaderPrecisionFormat,
"emscripten_glGetShaderSource": _emscripten_glGetShaderSource,
"emscripten_glGetShaderiv": _emscripten_glGetShaderiv,
"emscripten_glGetString": _emscripten_glGetString,
"emscripten_glGetStringi": _emscripten_glGetStringi,
"emscripten_glGetSynciv": _emscripten_glGetSynciv,
"emscripten_glGetTexParameterfv": _emscripten_glGetTexParameterfv,
"emscripten_glGetTexParameteriv": _emscripten_glGetTexParameteriv,
"emscripten_glGetTransformFeedbackVarying": _emscripten_glGetTransformFeedbackVarying,
"emscripten_glGetUniformBlockIndex": _emscripten_glGetUniformBlockIndex,
"emscripten_glGetUniformIndices": _emscripten_glGetUniformIndices,
"emscripten_glGetUniformLocation": _emscripten_glGetUniformLocation,
"emscripten_glGetUniformfv": _emscripten_glGetUniformfv,
"emscripten_glGetUniformiv": _emscripten_glGetUniformiv,
"emscripten_glGetUniformuiv": _emscripten_glGetUniformuiv,
"emscripten_glGetVertexAttribIiv": _emscripten_glGetVertexAttribIiv,
"emscripten_glGetVertexAttribIuiv": _emscripten_glGetVertexAttribIuiv,
"emscripten_glGetVertexAttribPointerv": _emscripten_glGetVertexAttribPointerv,
"emscripten_glGetVertexAttribfv": _emscripten_glGetVertexAttribfv,
"emscripten_glGetVertexAttribiv": _emscripten_glGetVertexAttribiv,
"emscripten_glHint": _emscripten_glHint,
"emscripten_glInvalidateFramebuffer": _emscripten_glInvalidateFramebuffer,
"emscripten_glInvalidateSubFramebuffer": _emscripten_glInvalidateSubFramebuffer,
"emscripten_glIsBuffer": _emscripten_glIsBuffer,
"emscripten_glIsEnabled": _emscripten_glIsEnabled,
"emscripten_glIsFramebuffer": _emscripten_glIsFramebuffer,
"emscripten_glIsProgram": _emscripten_glIsProgram,
"emscripten_glIsQuery": _emscripten_glIsQuery,
"emscripten_glIsQueryEXT": _emscripten_glIsQueryEXT,
"emscripten_glIsRenderbuffer": _emscripten_glIsRenderbuffer,
"emscripten_glIsSampler": _emscripten_glIsSampler,
"emscripten_glIsShader": _emscripten_glIsShader,
"emscripten_glIsSync": _emscripten_glIsSync,
"emscripten_glIsTexture": _emscripten_glIsTexture,
"emscripten_glIsTransformFeedback": _emscripten_glIsTransformFeedback,
"emscripten_glIsVertexArray": _emscripten_glIsVertexArray,
"emscripten_glIsVertexArrayOES": _emscripten_glIsVertexArrayOES,
"emscripten_glLineWidth": _emscripten_glLineWidth,
"emscripten_glLinkProgram": _emscripten_glLinkProgram,
"emscripten_glMapBufferRange": _emscripten_glMapBufferRange,
"emscripten_glPauseTransformFeedback": _emscripten_glPauseTransformFeedback,
"emscripten_glPixelStorei": _emscripten_glPixelStorei,
"emscripten_glPolygonOffset": _emscripten_glPolygonOffset,
"emscripten_glProgramBinary": _emscripten_glProgramBinary,
"emscripten_glProgramParameteri": _emscripten_glProgramParameteri,
"emscripten_glQueryCounterEXT": _emscripten_glQueryCounterEXT,
"emscripten_glReadBuffer": _emscripten_glReadBuffer,
"emscripten_glReadPixels": _emscripten_glReadPixels,
"emscripten_glReleaseShaderCompiler": _emscripten_glReleaseShaderCompiler,
"emscripten_glRenderbufferStorage": _emscripten_glRenderbufferStorage,
"emscripten_glRenderbufferStorageMultisample": _emscripten_glRenderbufferStorageMultisample,
"emscripten_glResumeTransformFeedback": _emscripten_glResumeTransformFeedback,
"emscripten_glSampleCoverage": _emscripten_glSampleCoverage,
"emscripten_glSamplerParameterf": _emscripten_glSamplerParameterf,
"emscripten_glSamplerParameterfv": _emscripten_glSamplerParameterfv,
"emscripten_glSamplerParameteri": _emscripten_glSamplerParameteri,
"emscripten_glSamplerParameteriv": _emscripten_glSamplerParameteriv,
"emscripten_glScissor": _emscripten_glScissor,
"emscripten_glShaderBinary": _emscripten_glShaderBinary,
"emscripten_glShaderSource": _emscripten_glShaderSource,
"emscripten_glStencilFunc": _emscripten_glStencilFunc,
"emscripten_glStencilFuncSeparate": _emscripten_glStencilFuncSeparate,
"emscripten_glStencilMask": _emscripten_glStencilMask,
"emscripten_glStencilMaskSeparate": _emscripten_glStencilMaskSeparate,
"emscripten_glStencilOp": _emscripten_glStencilOp,
"emscripten_glStencilOpSeparate": _emscripten_glStencilOpSeparate,
"emscripten_glTexImage2D": _emscripten_glTexImage2D,
"emscripten_glTexImage3D": _emscripten_glTexImage3D,
"emscripten_glTexParameterf": _emscripten_glTexParameterf,
"emscripten_glTexParameterfv": _emscripten_glTexParameterfv,
"emscripten_glTexParameteri": _emscripten_glTexParameteri,
"emscripten_glTexParameteriv": _emscripten_glTexParameteriv,
"emscripten_glTexStorage2D": _emscripten_glTexStorage2D,
"emscripten_glTexStorage3D": _emscripten_glTexStorage3D,
"emscripten_glTexSubImage2D": _emscripten_glTexSubImage2D,
"emscripten_glTexSubImage3D": _emscripten_glTexSubImage3D,
"emscripten_glTransformFeedbackVaryings": _emscripten_glTransformFeedbackVaryings,
"emscripten_glUniform1f": _emscripten_glUniform1f,
"emscripten_glUniform1fv": _emscripten_glUniform1fv,
"emscripten_glUniform1i": _emscripten_glUniform1i,
"emscripten_glUniform1iv": _emscripten_glUniform1iv,
"emscripten_glUniform1ui": _emscripten_glUniform1ui,
"emscripten_glUniform1uiv": _emscripten_glUniform1uiv,
"emscripten_glUniform2f": _emscripten_glUniform2f,
"emscripten_glUniform2fv": _emscripten_glUniform2fv,
"emscripten_glUniform2i": _emscripten_glUniform2i,
"emscripten_glUniform2iv": _emscripten_glUniform2iv,
"emscripten_glUniform2ui": _emscripten_glUniform2ui,
"emscripten_glUniform2uiv": _emscripten_glUniform2uiv,
"emscripten_glUniform3f": _emscripten_glUniform3f,
"emscripten_glUniform3fv": _emscripten_glUniform3fv,
"emscripten_glUniform3i": _emscripten_glUniform3i,
"emscripten_glUniform3iv": _emscripten_glUniform3iv,
"emscripten_glUniform3ui": _emscripten_glUniform3ui,
"emscripten_glUniform3uiv": _emscripten_glUniform3uiv,
"emscripten_glUniform4f": _emscripten_glUniform4f,
"emscripten_glUniform4fv": _emscripten_glUniform4fv,
"emscripten_glUniform4i": _emscripten_glUniform4i,
"emscripten_glUniform4iv": _emscripten_glUniform4iv,
"emscripten_glUniform4ui": _emscripten_glUniform4ui,
"emscripten_glUniform4uiv": _emscripten_glUniform4uiv,
"emscripten_glUniformBlockBinding": _emscripten_glUniformBlockBinding,
"emscripten_glUniformMatrix2fv": _emscripten_glUniformMatrix2fv,
"emscripten_glUniformMatrix2x3fv": _emscripten_glUniformMatrix2x3fv,
"emscripten_glUniformMatrix2x4fv": _emscripten_glUniformMatrix2x4fv,
"emscripten_glUniformMatrix3fv": _emscripten_glUniformMatrix3fv,
"emscripten_glUniformMatrix3x2fv": _emscripten_glUniformMatrix3x2fv,
"emscripten_glUniformMatrix3x4fv": _emscripten_glUniformMatrix3x4fv,
"emscripten_glUniformMatrix4fv": _emscripten_glUniformMatrix4fv,
"emscripten_glUniformMatrix4x2fv": _emscripten_glUniformMatrix4x2fv,
"emscripten_glUniformMatrix4x3fv": _emscripten_glUniformMatrix4x3fv,
"emscripten_glUnmapBuffer": _emscripten_glUnmapBuffer,
"emscripten_glUseProgram": _emscripten_glUseProgram,
"emscripten_glValidateProgram": _emscripten_glValidateProgram,
"emscripten_glVertexAttrib1f": _emscripten_glVertexAttrib1f,
"emscripten_glVertexAttrib1fv": _emscripten_glVertexAttrib1fv,
"emscripten_glVertexAttrib2f": _emscripten_glVertexAttrib2f,
"emscripten_glVertexAttrib2fv": _emscripten_glVertexAttrib2fv,
"emscripten_glVertexAttrib3f": _emscripten_glVertexAttrib3f,
"emscripten_glVertexAttrib3fv": _emscripten_glVertexAttrib3fv,
"emscripten_glVertexAttrib4f": _emscripten_glVertexAttrib4f,
"emscripten_glVertexAttrib4fv": _emscripten_glVertexAttrib4fv,
"emscripten_glVertexAttribDivisor": _emscripten_glVertexAttribDivisor,
"emscripten_glVertexAttribDivisorANGLE": _emscripten_glVertexAttribDivisorANGLE,
"emscripten_glVertexAttribDivisorARB": _emscripten_glVertexAttribDivisorARB,
"emscripten_glVertexAttribDivisorEXT": _emscripten_glVertexAttribDivisorEXT,
"emscripten_glVertexAttribDivisorNV": _emscripten_glVertexAttribDivisorNV,
"emscripten_glVertexAttribI4i": _emscripten_glVertexAttribI4i,
"emscripten_glVertexAttribI4iv": _emscripten_glVertexAttribI4iv,
"emscripten_glVertexAttribI4ui": _emscripten_glVertexAttribI4ui,
"emscripten_glVertexAttribI4uiv": _emscripten_glVertexAttribI4uiv,
"emscripten_glVertexAttribIPointer": _emscripten_glVertexAttribIPointer,
"emscripten_glVertexAttribPointer": _emscripten_glVertexAttribPointer,
"emscripten_glViewport": _emscripten_glViewport,
"emscripten_glWaitSync": _emscripten_glWaitSync,
"emscripten_memcpy_big": _emscripten_memcpy_big,
"emscripten_resize_heap": _emscripten_resize_heap,
"emscripten_run_script": _emscripten_run_script,
"emscripten_sample_gamepad_data": _emscripten_sample_gamepad_data,
"emscripten_set_main_loop_arg": _emscripten_set_main_loop_arg,
"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,
"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,
"getTempRet0": _getTempRet0,
"glActiveTexture": _glActiveTexture,
"glAttachShader": _glAttachShader,
"glBindAttribLocation": _glBindAttribLocation,
"glBindBuffer": _glBindBuffer,
"glBindTexture": _glBindTexture,
"glBindVertexArray": _glBindVertexArray,
"glBlendEquation": _glBlendEquation,
"glBlendFunc": _glBlendFunc,
"glBufferData": _glBufferData,
"glBufferSubData": _glBufferSubData,
"glClear": _glClear,
"glCompileShader": _glCompileShader,
"glCreateProgram": _glCreateProgram,
"glCreateShader": _glCreateShader,
"glDeleteBuffers": _glDeleteBuffers,
"glDeleteProgram": _glDeleteProgram,
"glDeleteShader": _glDeleteShader,
"glDeleteTextures": _glDeleteTextures,
"glDepthFunc": _glDepthFunc,
"glDetachShader": _glDetachShader,
"glDisable": _glDisable,
"glDisableVertexAttribArray": _glDisableVertexAttribArray,
"glDrawArrays": _glDrawArrays,
"glDrawElements": _glDrawElements,
"glEnable": _glEnable,
"glEnableVertexAttribArray": _glEnableVertexAttribArray,
"glFinish": _glFinish,
"glGenBuffers": _glGenBuffers,
"glGenTextures": _glGenTextures,
"glGenVertexArrays": _glGenVertexArrays,
"glGenerateMipmap": _glGenerateMipmap,
"glGetAttribLocation": _glGetAttribLocation,
"glGetIntegerv": _glGetIntegerv,
"glGetProgramInfoLog": _glGetProgramInfoLog,
"glGetProgramiv": _glGetProgramiv,
"glGetShaderInfoLog": _glGetShaderInfoLog,
"glGetShaderiv": _glGetShaderiv,
"glGetString": _glGetString,
"glGetUniformLocation": _glGetUniformLocation,
"glLineWidth": _glLineWidth,
"glLinkProgram": _glLinkProgram,
"glScissor": _glScissor,
"glShaderSource": _glShaderSource,
"glTexImage2D": _glTexImage2D,
"glTexParameteri": _glTexParameteri,
"glUniform1i": _glUniform1i,
"glUniform3fv": _glUniform3fv,
"glUniformMatrix4fv": _glUniformMatrix4fv,
"glUseProgram": _glUseProgram,
"glVertexAttribPointer": _glVertexAttribPointer,
"glViewport": _glViewport,
"glfwCreateWindow": _glfwCreateWindow,
"glfwExtensionSupported": _glfwExtensionSupported,
"glfwGetClipboardString": _glfwGetClipboardString,
"glfwGetCursorPos": _glfwGetCursorPos,
"glfwGetFramebufferSize": _glfwGetFramebufferSize,
"glfwGetInputMode": _glfwGetInputMode,
"glfwGetKey": _glfwGetKey,
"glfwGetMonitorName": _glfwGetMonitorName,
"glfwGetMouseButton": _glfwGetMouseButton,
"glfwGetPrimaryMonitor": _glfwGetPrimaryMonitor,
"glfwGetTime": _glfwGetTime,
"glfwGetVideoMode": _glfwGetVideoMode,
"glfwGetWindowSize": _glfwGetWindowSize,
"glfwGetWindowUserPointer": _glfwGetWindowUserPointer,
"glfwHideWindow": _glfwHideWindow,
"glfwInit": _glfwInit,
"glfwMakeContextCurrent": _glfwMakeContextCurrent,
"glfwPollEvents": _glfwPollEvents,
"glfwSetCharCallback": _glfwSetCharCallback,
"glfwSetClipboardString": _glfwSetClipboardString,
"glfwSetDropCallback": _glfwSetDropCallback,
"glfwSetErrorCallback": _glfwSetErrorCallback,
"glfwSetMouseButtonCallback": _glfwSetMouseButtonCallback,
"glfwSetScrollCallback": _glfwSetScrollCallback,
"glfwSetWindowAspectRatio": _glfwSetWindowAspectRatio,
"glfwSetWindowIcon": _glfwSetWindowIcon,
"glfwSetWindowShouldClose": _glfwSetWindowShouldClose,
"glfwSetWindowSizeLimits": _glfwSetWindowSizeLimits,
"glfwSetWindowTitle": _glfwSetWindowTitle,
"glfwSetWindowUserPointer": _glfwSetWindowUserPointer,
"glfwShowWindow": _glfwShowWindow,
"glfwSwapBuffers": _glfwSwapBuffers,
"glfwSwapInterval": _glfwSwapInterval,
"glfwTerminate": _glfwTerminate,
"glfwWindowHint": _glfwWindowHint,
"glfwWindowShouldClose": _glfwWindowShouldClose,
"gmtime_r": _gmtime_r,
"invoke_vii": invoke_vii,
"localtime_r": _localtime_r,
"mktime": _mktime,
"pt_em_connect_websocket": pt_em_connect_websocket,
"pt_em_try_free_websocket": pt_em_try_free_websocket,
"pt_em_websocket_close": pt_em_websocket_close,
"pt_em_websocket_send_binary": pt_em_websocket_send_binary,
"pt_em_websocket_send_text": pt_em_websocket_send_text,
"setTempRet0": _setTempRet0,
"strftime": _strftime,
"system": _system,
"time": _time
};
var asm = createWasm();
/** @type {function(...*):?} */
var ___wasm_call_ctors = Module["___wasm_call_ctors"] = createExportWrapper("__wasm_call_ctors");
/** @type {function(...*):?} */
var _main = Module["_main"] = createExportWrapper("main");
/** @type {function(...*):?} */
var _free = Module["_free"] = createExportWrapper("free");
/** @type {function(...*):?} */
var _malloc = Module["_malloc"] = createExportWrapper("malloc");
/** @type {function(...*):?} */
var ___errno_location = Module["___errno_location"] = createExportWrapper("__errno_location");
/** @type {function(...*):?} */
var _ma_device_process_pcm_frames_capture__webaudio = Module["_ma_device_process_pcm_frames_capture__webaudio"] = createExportWrapper("ma_device_process_pcm_frames_capture__webaudio");
/** @type {function(...*):?} */
var _ma_device_process_pcm_frames_playback__webaudio = Module["_ma_device_process_pcm_frames_playback__webaudio"] = createExportWrapper("ma_device_process_pcm_frames_playback__webaudio");
/** @type {function(...*):?} */
var _saveSetjmp = Module["_saveSetjmp"] = createExportWrapper("saveSetjmp");
/** @type {function(...*):?} */
var _fflush = Module["_fflush"] = createExportWrapper("fflush");
/** @type {function(...*):?} */
var _htons = Module["_htons"] = createExportWrapper("htons");
/** @type {function(...*):?} */
var _htonl = Module["_htonl"] = createExportWrapper("htonl");
/** @type {function(...*):?} */
var _ntohs = Module["_ntohs"] = createExportWrapper("ntohs");
/** @type {function(...*):?} */
var _pt_em_msg_alloc = Module["_pt_em_msg_alloc"] = createExportWrapper("pt_em_msg_alloc");
/** @type {function(...*):?} */
var _pt_em_msg_recv = Module["_pt_em_msg_recv"] = createExportWrapper("pt_em_msg_recv");
/** @type {function(...*):?} */
var _pt_em_on_open = Module["_pt_em_on_open"] = createExportWrapper("pt_em_on_open");
/** @type {function(...*):?} */
var _pt_em_on_close = Module["_pt_em_on_close"] = createExportWrapper("pt_em_on_close");
/** @type {function(...*):?} */
var _pt_em_is_closed = Module["_pt_em_is_closed"] = createExportWrapper("pt_em_is_closed");
/** @type {function(...*):?} */
var _emscripten_main_thread_process_queued_calls = Module["_emscripten_main_thread_process_queued_calls"] = createExportWrapper("emscripten_main_thread_process_queued_calls");
/** @type {function(...*):?} */
var ___dl_seterr = Module["___dl_seterr"] = createExportWrapper("__dl_seterr");
/** @type {function(...*):?} */
var __get_tzname = Module["__get_tzname"] = createExportWrapper("_get_tzname");
/** @type {function(...*):?} */
var __get_daylight = Module["__get_daylight"] = createExportWrapper("_get_daylight");
/** @type {function(...*):?} */
var __get_timezone = Module["__get_timezone"] = createExportWrapper("_get_timezone");
/** @type {function(...*):?} */
var stackSave = Module["stackSave"] = createExportWrapper("stackSave");
/** @type {function(...*):?} */
var stackRestore = Module["stackRestore"] = createExportWrapper("stackRestore");
/** @type {function(...*):?} */
var stackAlloc = Module["stackAlloc"] = createExportWrapper("stackAlloc");
/** @type {function(...*):?} */
var _emscripten_stack_init = Module["_emscripten_stack_init"] = function() {
return (_emscripten_stack_init = Module["_emscripten_stack_init"] = Module["asm"]["emscripten_stack_init"]).apply(null, arguments);
};
/** @type {function(...*):?} */
var _emscripten_stack_get_free = Module["_emscripten_stack_get_free"] = function() {
return (_emscripten_stack_get_free = Module["_emscripten_stack_get_free"] = Module["asm"]["emscripten_stack_get_free"]).apply(null, arguments);
};
/** @type {function(...*):?} */
var _emscripten_stack_get_end = Module["_emscripten_stack_get_end"] = function() {
return (_emscripten_stack_get_end = Module["_emscripten_stack_get_end"] = Module["asm"]["emscripten_stack_get_end"]).apply(null, arguments);
};
/** @type {function(...*):?} */
var _setThrew = Module["_setThrew"] = createExportWrapper("setThrew");
/** @type {function(...*):?} */
var dynCall_ji = Module["dynCall_ji"] = createExportWrapper("dynCall_ji");
/** @type {function(...*):?} */
var dynCall_jii = Module["dynCall_jii"] = createExportWrapper("dynCall_jii");
/** @type {function(...*):?} */
var dynCall_iiiji = Module["dynCall_iiiji"] = createExportWrapper("dynCall_iiiji");
/** @type {function(...*):?} */
var dynCall_jiji = Module["dynCall_jiji"] = createExportWrapper("dynCall_jiji");
function invoke_vii(index,a1,a2) {
var sp = stackSave();
try {
getWasmTableEntry(index)(a1,a2);
} catch(e) {
stackRestore(sp);
if (e !== e+0 && e !== 'longjmp') throw e;
_setThrew(1, 0);
}
}
// === Auto-generated postamble setup entry stuff ===
if (!Object.getOwnPropertyDescriptor(Module, "intArrayFromString")) Module["intArrayFromString"] = function() { abort("'intArrayFromString' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "intArrayToString")) Module["intArrayToString"] = function() { abort("'intArrayToString' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "ccall")) Module["ccall"] = function() { abort("'ccall' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "cwrap")) Module["cwrap"] = function() { abort("'cwrap' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "setValue")) Module["setValue"] = function() { abort("'setValue' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "getValue")) Module["getValue"] = function() { abort("'getValue' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "allocate")) Module["allocate"] = function() { abort("'allocate' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "UTF8ArrayToString")) Module["UTF8ArrayToString"] = function() { abort("'UTF8ArrayToString' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "UTF8ToString")) Module["UTF8ToString"] = function() { abort("'UTF8ToString' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "stringToUTF8Array")) Module["stringToUTF8Array"] = function() { abort("'stringToUTF8Array' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "stringToUTF8")) Module["stringToUTF8"] = function() { abort("'stringToUTF8' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "lengthBytesUTF8")) Module["lengthBytesUTF8"] = function() { abort("'lengthBytesUTF8' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "stackTrace")) Module["stackTrace"] = function() { abort("'stackTrace' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "addOnPreRun")) Module["addOnPreRun"] = function() { abort("'addOnPreRun' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "addOnInit")) Module["addOnInit"] = function() { abort("'addOnInit' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "addOnPreMain")) Module["addOnPreMain"] = function() { abort("'addOnPreMain' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "addOnExit")) Module["addOnExit"] = function() { abort("'addOnExit' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "addOnPostRun")) Module["addOnPostRun"] = function() { abort("'addOnPostRun' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "writeStringToMemory")) Module["writeStringToMemory"] = function() { abort("'writeStringToMemory' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "writeArrayToMemory")) Module["writeArrayToMemory"] = function() { abort("'writeArrayToMemory' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "writeAsciiToMemory")) Module["writeAsciiToMemory"] = function() { abort("'writeAsciiToMemory' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
Module["addRunDependency"] = addRunDependency;
Module["removeRunDependency"] = removeRunDependency;
if (!Object.getOwnPropertyDescriptor(Module, "FS_createFolder")) Module["FS_createFolder"] = function() { abort("'FS_createFolder' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
Module["FS_createPath"] = FS.createPath;
Module["FS_createDataFile"] = FS.createDataFile;
Module["FS_createPreloadedFile"] = FS.createPreloadedFile;
Module["FS_createLazyFile"] = FS.createLazyFile;
if (!Object.getOwnPropertyDescriptor(Module, "FS_createLink")) Module["FS_createLink"] = function() { abort("'FS_createLink' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
Module["FS_createDevice"] = FS.createDevice;
Module["FS_unlink"] = FS.unlink;
if (!Object.getOwnPropertyDescriptor(Module, "getLEB")) Module["getLEB"] = function() { abort("'getLEB' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "getFunctionTables")) Module["getFunctionTables"] = function() { abort("'getFunctionTables' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "alignFunctionTables")) Module["alignFunctionTables"] = function() { abort("'alignFunctionTables' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "registerFunctions")) Module["registerFunctions"] = function() { abort("'registerFunctions' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "addFunction")) Module["addFunction"] = function() { abort("'addFunction' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "removeFunction")) Module["removeFunction"] = function() { abort("'removeFunction' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "getFuncWrapper")) Module["getFuncWrapper"] = function() { abort("'getFuncWrapper' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "prettyPrint")) Module["prettyPrint"] = function() { abort("'prettyPrint' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "dynCall")) Module["dynCall"] = function() { abort("'dynCall' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "getCompilerSetting")) Module["getCompilerSetting"] = function() { abort("'getCompilerSetting' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "print")) Module["print"] = function() { abort("'print' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "printErr")) Module["printErr"] = function() { abort("'printErr' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "getTempRet0")) Module["getTempRet0"] = function() { abort("'getTempRet0' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "setTempRet0")) Module["setTempRet0"] = function() { abort("'setTempRet0' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "callMain")) Module["callMain"] = function() { abort("'callMain' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "abort")) Module["abort"] = function() { abort("'abort' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "keepRuntimeAlive")) Module["keepRuntimeAlive"] = function() { abort("'keepRuntimeAlive' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "zeroMemory")) Module["zeroMemory"] = function() { abort("'zeroMemory' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "stringToNewUTF8")) Module["stringToNewUTF8"] = function() { abort("'stringToNewUTF8' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "setFileTime")) Module["setFileTime"] = function() { abort("'setFileTime' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "emscripten_realloc_buffer")) Module["emscripten_realloc_buffer"] = function() { abort("'emscripten_realloc_buffer' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "ENV")) Module["ENV"] = function() { abort("'ENV' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "withStackSave")) Module["withStackSave"] = function() { abort("'withStackSave' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "ERRNO_CODES")) Module["ERRNO_CODES"] = function() { abort("'ERRNO_CODES' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "ERRNO_MESSAGES")) Module["ERRNO_MESSAGES"] = function() { abort("'ERRNO_MESSAGES' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "setErrNo")) Module["setErrNo"] = function() { abort("'setErrNo' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "inetPton4")) Module["inetPton4"] = function() { abort("'inetPton4' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "inetNtop4")) Module["inetNtop4"] = function() { abort("'inetNtop4' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "inetPton6")) Module["inetPton6"] = function() { abort("'inetPton6' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "inetNtop6")) Module["inetNtop6"] = function() { abort("'inetNtop6' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "readSockaddr")) Module["readSockaddr"] = function() { abort("'readSockaddr' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "writeSockaddr")) Module["writeSockaddr"] = function() { abort("'writeSockaddr' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "DNS")) Module["DNS"] = function() { abort("'DNS' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "getHostByName")) Module["getHostByName"] = function() { abort("'getHostByName' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "GAI_ERRNO_MESSAGES")) Module["GAI_ERRNO_MESSAGES"] = function() { abort("'GAI_ERRNO_MESSAGES' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "Protocols")) Module["Protocols"] = function() { abort("'Protocols' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "Sockets")) Module["Sockets"] = function() { abort("'Sockets' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "getRandomDevice")) Module["getRandomDevice"] = function() { abort("'getRandomDevice' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "traverseStack")) Module["traverseStack"] = function() { abort("'traverseStack' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "UNWIND_CACHE")) Module["UNWIND_CACHE"] = function() { abort("'UNWIND_CACHE' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "readAsmConstArgsArray")) Module["readAsmConstArgsArray"] = function() { abort("'readAsmConstArgsArray' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "readAsmConstArgs")) Module["readAsmConstArgs"] = function() { abort("'readAsmConstArgs' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "mainThreadEM_ASM")) Module["mainThreadEM_ASM"] = function() { abort("'mainThreadEM_ASM' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "jstoi_q")) Module["jstoi_q"] = function() { abort("'jstoi_q' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "jstoi_s")) Module["jstoi_s"] = function() { abort("'jstoi_s' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "getExecutableName")) Module["getExecutableName"] = function() { abort("'getExecutableName' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "listenOnce")) Module["listenOnce"] = function() { abort("'listenOnce' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "autoResumeAudioContext")) Module["autoResumeAudioContext"] = function() { abort("'autoResumeAudioContext' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "dynCallLegacy")) Module["dynCallLegacy"] = function() { abort("'dynCallLegacy' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "getDynCaller")) Module["getDynCaller"] = function() { abort("'getDynCaller' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "dynCall")) Module["dynCall"] = function() { abort("'dynCall' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "callRuntimeCallbacks")) Module["callRuntimeCallbacks"] = function() { abort("'callRuntimeCallbacks' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "wasmTableMirror")) Module["wasmTableMirror"] = function() { abort("'wasmTableMirror' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "setWasmTableEntry")) Module["setWasmTableEntry"] = function() { abort("'setWasmTableEntry' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "getWasmTableEntry")) Module["getWasmTableEntry"] = function() { abort("'getWasmTableEntry' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "handleException")) Module["handleException"] = function() { abort("'handleException' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "runtimeKeepalivePush")) Module["runtimeKeepalivePush"] = function() { abort("'runtimeKeepalivePush' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "runtimeKeepalivePop")) Module["runtimeKeepalivePop"] = function() { abort("'runtimeKeepalivePop' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "callUserCallback")) Module["callUserCallback"] = function() { abort("'callUserCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "maybeExit")) Module["maybeExit"] = function() { abort("'maybeExit' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "safeSetTimeout")) Module["safeSetTimeout"] = function() { abort("'safeSetTimeout' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "asmjsMangle")) Module["asmjsMangle"] = function() { abort("'asmjsMangle' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "asyncLoad")) Module["asyncLoad"] = function() { abort("'asyncLoad' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "alignMemory")) Module["alignMemory"] = function() { abort("'alignMemory' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "mmapAlloc")) Module["mmapAlloc"] = function() { abort("'mmapAlloc' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "reallyNegative")) Module["reallyNegative"] = function() { abort("'reallyNegative' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "unSign")) Module["unSign"] = function() { abort("'unSign' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "reSign")) Module["reSign"] = function() { abort("'reSign' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "formatString")) Module["formatString"] = function() { abort("'formatString' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "PATH")) Module["PATH"] = function() { abort("'PATH' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "PATH_FS")) Module["PATH_FS"] = function() { abort("'PATH_FS' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "SYSCALLS")) Module["SYSCALLS"] = function() { abort("'SYSCALLS' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "syscallMmap2")) Module["syscallMmap2"] = function() { abort("'syscallMmap2' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "syscallMunmap")) Module["syscallMunmap"] = function() { abort("'syscallMunmap' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "getSocketFromFD")) Module["getSocketFromFD"] = function() { abort("'getSocketFromFD' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "getSocketAddress")) Module["getSocketAddress"] = function() { abort("'getSocketAddress' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "JSEvents")) Module["JSEvents"] = function() { abort("'JSEvents' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "registerKeyEventCallback")) Module["registerKeyEventCallback"] = function() { abort("'registerKeyEventCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "specialHTMLTargets")) Module["specialHTMLTargets"] = function() { abort("'specialHTMLTargets' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "maybeCStringToJsString")) Module["maybeCStringToJsString"] = function() { abort("'maybeCStringToJsString' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "findEventTarget")) Module["findEventTarget"] = function() { abort("'findEventTarget' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "findCanvasEventTarget")) Module["findCanvasEventTarget"] = function() { abort("'findCanvasEventTarget' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "getBoundingClientRect")) Module["getBoundingClientRect"] = function() { abort("'getBoundingClientRect' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "fillMouseEventData")) Module["fillMouseEventData"] = function() { abort("'fillMouseEventData' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "registerMouseEventCallback")) Module["registerMouseEventCallback"] = function() { abort("'registerMouseEventCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "registerWheelEventCallback")) Module["registerWheelEventCallback"] = function() { abort("'registerWheelEventCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "registerUiEventCallback")) Module["registerUiEventCallback"] = function() { abort("'registerUiEventCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "registerFocusEventCallback")) Module["registerFocusEventCallback"] = function() { abort("'registerFocusEventCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "fillDeviceOrientationEventData")) Module["fillDeviceOrientationEventData"] = function() { abort("'fillDeviceOrientationEventData' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "registerDeviceOrientationEventCallback")) Module["registerDeviceOrientationEventCallback"] = function() { abort("'registerDeviceOrientationEventCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "fillDeviceMotionEventData")) Module["fillDeviceMotionEventData"] = function() { abort("'fillDeviceMotionEventData' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "registerDeviceMotionEventCallback")) Module["registerDeviceMotionEventCallback"] = function() { abort("'registerDeviceMotionEventCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "screenOrientation")) Module["screenOrientation"] = function() { abort("'screenOrientation' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "fillOrientationChangeEventData")) Module["fillOrientationChangeEventData"] = function() { abort("'fillOrientationChangeEventData' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "registerOrientationChangeEventCallback")) Module["registerOrientationChangeEventCallback"] = function() { abort("'registerOrientationChangeEventCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "fillFullscreenChangeEventData")) Module["fillFullscreenChangeEventData"] = function() { abort("'fillFullscreenChangeEventData' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "registerFullscreenChangeEventCallback")) Module["registerFullscreenChangeEventCallback"] = function() { abort("'registerFullscreenChangeEventCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "registerRestoreOldStyle")) Module["registerRestoreOldStyle"] = function() { abort("'registerRestoreOldStyle' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "hideEverythingExceptGivenElement")) Module["hideEverythingExceptGivenElement"] = function() { abort("'hideEverythingExceptGivenElement' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "restoreHiddenElements")) Module["restoreHiddenElements"] = function() { abort("'restoreHiddenElements' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "setLetterbox")) Module["setLetterbox"] = function() { abort("'setLetterbox' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "currentFullscreenStrategy")) Module["currentFullscreenStrategy"] = function() { abort("'currentFullscreenStrategy' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "restoreOldWindowedStyle")) Module["restoreOldWindowedStyle"] = function() { abort("'restoreOldWindowedStyle' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "softFullscreenResizeWebGLRenderTarget")) Module["softFullscreenResizeWebGLRenderTarget"] = function() { abort("'softFullscreenResizeWebGLRenderTarget' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "doRequestFullscreen")) Module["doRequestFullscreen"] = function() { abort("'doRequestFullscreen' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "fillPointerlockChangeEventData")) Module["fillPointerlockChangeEventData"] = function() { abort("'fillPointerlockChangeEventData' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "registerPointerlockChangeEventCallback")) Module["registerPointerlockChangeEventCallback"] = function() { abort("'registerPointerlockChangeEventCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "registerPointerlockErrorEventCallback")) Module["registerPointerlockErrorEventCallback"] = function() { abort("'registerPointerlockErrorEventCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "requestPointerLock")) Module["requestPointerLock"] = function() { abort("'requestPointerLock' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "fillVisibilityChangeEventData")) Module["fillVisibilityChangeEventData"] = function() { abort("'fillVisibilityChangeEventData' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "registerVisibilityChangeEventCallback")) Module["registerVisibilityChangeEventCallback"] = function() { abort("'registerVisibilityChangeEventCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "registerTouchEventCallback")) Module["registerTouchEventCallback"] = function() { abort("'registerTouchEventCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "fillGamepadEventData")) Module["fillGamepadEventData"] = function() { abort("'fillGamepadEventData' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "registerGamepadEventCallback")) Module["registerGamepadEventCallback"] = function() { abort("'registerGamepadEventCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "registerBeforeUnloadEventCallback")) Module["registerBeforeUnloadEventCallback"] = function() { abort("'registerBeforeUnloadEventCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "fillBatteryEventData")) Module["fillBatteryEventData"] = function() { abort("'fillBatteryEventData' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "battery")) Module["battery"] = function() { abort("'battery' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "registerBatteryEventCallback")) Module["registerBatteryEventCallback"] = function() { abort("'registerBatteryEventCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "setCanvasElementSize")) Module["setCanvasElementSize"] = function() { abort("'setCanvasElementSize' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "getCanvasElementSize")) Module["getCanvasElementSize"] = function() { abort("'getCanvasElementSize' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "demangle")) Module["demangle"] = function() { abort("'demangle' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "demangleAll")) Module["demangleAll"] = function() { abort("'demangleAll' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "jsStackTrace")) Module["jsStackTrace"] = function() { abort("'jsStackTrace' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "stackTrace")) Module["stackTrace"] = function() { abort("'stackTrace' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "getEnvStrings")) Module["getEnvStrings"] = function() { abort("'getEnvStrings' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "checkWasiClock")) Module["checkWasiClock"] = function() { abort("'checkWasiClock' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "writeI53ToI64")) Module["writeI53ToI64"] = function() { abort("'writeI53ToI64' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "writeI53ToI64Clamped")) Module["writeI53ToI64Clamped"] = function() { abort("'writeI53ToI64Clamped' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "writeI53ToI64Signaling")) Module["writeI53ToI64Signaling"] = function() { abort("'writeI53ToI64Signaling' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "writeI53ToU64Clamped")) Module["writeI53ToU64Clamped"] = function() { abort("'writeI53ToU64Clamped' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "writeI53ToU64Signaling")) Module["writeI53ToU64Signaling"] = function() { abort("'writeI53ToU64Signaling' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "readI53FromI64")) Module["readI53FromI64"] = function() { abort("'readI53FromI64' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "readI53FromU64")) Module["readI53FromU64"] = function() { abort("'readI53FromU64' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "convertI32PairToI53")) Module["convertI32PairToI53"] = function() { abort("'convertI32PairToI53' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "convertU32PairToI53")) Module["convertU32PairToI53"] = function() { abort("'convertU32PairToI53' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "setImmediateWrapped")) Module["setImmediateWrapped"] = function() { abort("'setImmediateWrapped' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "clearImmediateWrapped")) Module["clearImmediateWrapped"] = function() { abort("'clearImmediateWrapped' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "polyfillSetImmediate")) Module["polyfillSetImmediate"] = function() { abort("'polyfillSetImmediate' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "uncaughtExceptionCount")) Module["uncaughtExceptionCount"] = function() { abort("'uncaughtExceptionCount' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "exceptionLast")) Module["exceptionLast"] = function() { abort("'exceptionLast' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "exceptionCaught")) Module["exceptionCaught"] = function() { abort("'exceptionCaught' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "ExceptionInfo")) Module["ExceptionInfo"] = function() { abort("'ExceptionInfo' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "CatchInfo")) Module["CatchInfo"] = function() { abort("'CatchInfo' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "exception_addRef")) Module["exception_addRef"] = function() { abort("'exception_addRef' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "exception_decRef")) Module["exception_decRef"] = function() { abort("'exception_decRef' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "Browser")) Module["Browser"] = function() { abort("'Browser' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "funcWrappers")) Module["funcWrappers"] = function() { abort("'funcWrappers' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "getFuncWrapper")) Module["getFuncWrapper"] = function() { abort("'getFuncWrapper' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "setMainLoop")) Module["setMainLoop"] = function() { abort("'setMainLoop' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "wget")) Module["wget"] = function() { abort("'wget' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "FS")) Module["FS"] = function() { abort("'FS' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "MEMFS")) Module["MEMFS"] = function() { abort("'MEMFS' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "TTY")) Module["TTY"] = function() { abort("'TTY' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "PIPEFS")) Module["PIPEFS"] = function() { abort("'PIPEFS' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "SOCKFS")) Module["SOCKFS"] = function() { abort("'SOCKFS' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "_setNetworkCallback")) Module["_setNetworkCallback"] = function() { abort("'_setNetworkCallback' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "tempFixedLengthArray")) Module["tempFixedLengthArray"] = function() { abort("'tempFixedLengthArray' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "miniTempWebGLFloatBuffers")) Module["miniTempWebGLFloatBuffers"] = function() { abort("'miniTempWebGLFloatBuffers' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "heapObjectForWebGLType")) Module["heapObjectForWebGLType"] = function() { abort("'heapObjectForWebGLType' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "heapAccessShiftForWebGLHeap")) Module["heapAccessShiftForWebGLHeap"] = function() { abort("'heapAccessShiftForWebGLHeap' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "GL")) Module["GL"] = function() { abort("'GL' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "emscriptenWebGLGet")) Module["emscriptenWebGLGet"] = function() { abort("'emscriptenWebGLGet' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "computeUnpackAlignedImageSize")) Module["computeUnpackAlignedImageSize"] = function() { abort("'computeUnpackAlignedImageSize' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "emscriptenWebGLGetTexPixelData")) Module["emscriptenWebGLGetTexPixelData"] = function() { abort("'emscriptenWebGLGetTexPixelData' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "emscriptenWebGLGetUniform")) Module["emscriptenWebGLGetUniform"] = function() { abort("'emscriptenWebGLGetUniform' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "webglGetUniformLocation")) Module["webglGetUniformLocation"] = function() { abort("'webglGetUniformLocation' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "webglPrepareUniformLocationsBeforeFirstUse")) Module["webglPrepareUniformLocationsBeforeFirstUse"] = function() { abort("'webglPrepareUniformLocationsBeforeFirstUse' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "webglGetLeftBracePos")) Module["webglGetLeftBracePos"] = function() { abort("'webglGetLeftBracePos' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "emscriptenWebGLGetVertexAttrib")) Module["emscriptenWebGLGetVertexAttrib"] = function() { abort("'emscriptenWebGLGetVertexAttrib' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "emscriptenWebGLGetBufferBinding")) Module["emscriptenWebGLGetBufferBinding"] = function() { abort("'emscriptenWebGLGetBufferBinding' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "emscriptenWebGLValidateMapBufferTarget")) Module["emscriptenWebGLValidateMapBufferTarget"] = function() { abort("'emscriptenWebGLValidateMapBufferTarget' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "writeGLArray")) Module["writeGLArray"] = function() { abort("'writeGLArray' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "AL")) Module["AL"] = function() { abort("'AL' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "SDL_unicode")) Module["SDL_unicode"] = function() { abort("'SDL_unicode' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "SDL_ttfContext")) Module["SDL_ttfContext"] = function() { abort("'SDL_ttfContext' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "SDL_audio")) Module["SDL_audio"] = function() { abort("'SDL_audio' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "SDL")) Module["SDL"] = function() { abort("'SDL' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "SDL_gfx")) Module["SDL_gfx"] = function() { abort("'SDL_gfx' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "GLUT")) Module["GLUT"] = function() { abort("'GLUT' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "EGL")) Module["EGL"] = function() { abort("'EGL' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "GLFW_Window")) Module["GLFW_Window"] = function() { abort("'GLFW_Window' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "GLFW")) Module["GLFW"] = function() { abort("'GLFW' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "GLEW")) Module["GLEW"] = function() { abort("'GLEW' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "IDBStore")) Module["IDBStore"] = function() { abort("'IDBStore' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "runAndAbortIfError")) Module["runAndAbortIfError"] = function() { abort("'runAndAbortIfError' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "IDBFS")) Module["IDBFS"] = function() { abort("'IDBFS' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "emscriptenWebGLGetIndexed")) Module["emscriptenWebGLGetIndexed"] = function() { abort("'emscriptenWebGLGetIndexed' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "warnOnce")) Module["warnOnce"] = function() { abort("'warnOnce' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "stackSave")) Module["stackSave"] = function() { abort("'stackSave' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "stackRestore")) Module["stackRestore"] = function() { abort("'stackRestore' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "stackAlloc")) Module["stackAlloc"] = function() { abort("'stackAlloc' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "AsciiToString")) Module["AsciiToString"] = function() { abort("'AsciiToString' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "stringToAscii")) Module["stringToAscii"] = function() { abort("'stringToAscii' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "UTF16ToString")) Module["UTF16ToString"] = function() { abort("'UTF16ToString' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "stringToUTF16")) Module["stringToUTF16"] = function() { abort("'stringToUTF16' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "lengthBytesUTF16")) Module["lengthBytesUTF16"] = function() { abort("'lengthBytesUTF16' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "UTF32ToString")) Module["UTF32ToString"] = function() { abort("'UTF32ToString' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "stringToUTF32")) Module["stringToUTF32"] = function() { abort("'stringToUTF32' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "lengthBytesUTF32")) Module["lengthBytesUTF32"] = function() { abort("'lengthBytesUTF32' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "allocateUTF8")) Module["allocateUTF8"] = function() { abort("'allocateUTF8' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "allocateUTF8OnStack")) Module["allocateUTF8OnStack"] = function() { abort("'allocateUTF8OnStack' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
Module["writeStackCookie"] = writeStackCookie;
Module["checkStackCookie"] = checkStackCookie;
if (!Object.getOwnPropertyDescriptor(Module, "intArrayFromBase64")) Module["intArrayFromBase64"] = function() { abort("'intArrayFromBase64' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "tryParseAsDataURI")) Module["tryParseAsDataURI"] = function() { abort("'tryParseAsDataURI' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") };
if (!Object.getOwnPropertyDescriptor(Module, "ALLOC_NORMAL")) Object.defineProperty(Module, "ALLOC_NORMAL", { configurable: true, get: function() { abort("'ALLOC_NORMAL' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") } });
if (!Object.getOwnPropertyDescriptor(Module, "ALLOC_STACK")) Object.defineProperty(Module, "ALLOC_STACK", { configurable: true, get: function() { abort("'ALLOC_STACK' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)") } });
var calledRun;
/**
* @constructor
* @this {ExitStatus}
*/
function ExitStatus(status) {
this.name = "ExitStatus";
this.message = "Program terminated with exit(" + status + ")";
this.status = status;
}
var calledMain = false;
dependenciesFulfilled = function runCaller() {
// If run has never been called, and we should call run (INVOKE_RUN is true, and Module.noInitialRun is not false)
if (!calledRun) run();
if (!calledRun) dependenciesFulfilled = runCaller; // try this again later, after new deps are fulfilled
};
function callMain(args) {
assert(runDependencies == 0, 'cannot call main when async dependencies remain! (listen on Module["onRuntimeInitialized"])');
assert(__ATPRERUN__.length == 0, 'cannot call main when preRun functions remain to be called');
var entryFunction = Module['_main'];
args = args || [];
var argc = args.length+1;
var argv = stackAlloc((argc + 1) * 4);
HEAP32[argv >> 2] = allocateUTF8OnStack(thisProgram);
for (var i = 1; i < argc; i++) {
HEAP32[(argv >> 2) + i] = allocateUTF8OnStack(args[i - 1]);
}
HEAP32[(argv >> 2) + argc] = 0;
try {
var ret = entryFunction(argc, argv);
// In PROXY_TO_PTHREAD builds, we should never exit the runtime below, as
// execution is asynchronously handed off to a pthread.
// if we're not running an evented main loop, it's time to exit
exit(ret, /* implicit = */ true);
return ret;
}
catch (e) {
return handleException(e);
} finally {
calledMain = true;
}
}
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.
// TODO(sbc): Move writeStackCookie to native to to avoid this.
_emscripten_stack_init();
writeStackCookie();
}
/** @type {function(Array=)} */
function run(args) {
args = args || arguments_;
if (runDependencies > 0) {
return;
}
stackCheckInit();
preRun();
// a preRun added a dependency, run will be called later
if (runDependencies > 0) {
return;
}
function doRun() {
// run may have just been called through dependencies being fulfilled just in this very frame,
// or while the async setStatus time below was happening
if (calledRun) return;
calledRun = true;
Module['calledRun'] = true;
if (ABORT) return;
initRuntime();
preMain();
if (Module['onRuntimeInitialized']) Module['onRuntimeInitialized']();
if (shouldRunNow) callMain(args);
postRun();
}
if (Module['setStatus']) {
Module['setStatus']('Running...');
setTimeout(function() {
setTimeout(function() {
Module['setStatus']('');
}, 1);
doRun();
}, 1);
} else
{
doRun();
}
checkStackCookie();
}
Module['run'] = run;
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 = function(x) {
has = true;
}
try { // it doesn't matter if it fails
var flush = Module['_fflush'];
if (flush) flush(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.');
}
}
/** @param {boolean|number=} implicit */
function exit(status, implicit) {
EXITSTATUS = status;
checkUnflushedContent();
if (keepRuntimeAlive()) {
// if exit() was called, we may warn the user if the runtime isn't actually being shut down
if (!implicit) {
var msg = 'program exited (with status: ' + status + '), but EXIT_RUNTIME is not set, so halting execution but not exiting the runtime or preventing further async execution (build with EXIT_RUNTIME=1, if you want a true shutdown)';
err(msg);
}
} else {
exitRuntime();
}
procExit(status);
}
function procExit(code) {
EXITSTATUS = code;
if (!keepRuntimeAlive()) {
if (Module['onExit']) Module['onExit'](code);
ABORT = true;
}
quit_(code, new ExitStatus(code));
}
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();
</script>
<button onclick="openFullscreen();" style="position:relative; z-index: 1000; float: right;">&#x26F6;</button>
<script>
function openFullscreen() {
var elem = document.getElementById("canvas");
if (elem.requestFullscreen) {
elem.requestFullscreen();
} else if (elem.webkitRequestFullscreen) { /* Safari */
elem.webkitRequestFullscreen();
} else if (elem.msRequestFullscreen) { /* IE11 */
elem.msRequestFullscreen();
}
}
</script>
</body>
</html>