mirror of
https://gitee.com/pan648540858/wvp-GB28181-pro.git
synced 2026-05-21 04:47:49 +08:00
8970 lines
331 KiB
JavaScript
8970 lines
331 KiB
JavaScript
var WasmModule = (() => {
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var _scriptName = typeof document != 'undefined' ? document.currentScript?.src : undefined;
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return (
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async function(moduleArg = {}) {
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var moduleRtn;
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// include: shell.js
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// The Module object: Our interface to the outside world. We import
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// and export values on it. There are various ways Module can be used:
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// 1. Not defined. We create it here
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// 2. A function parameter, function(moduleArg) => Promise<Module>
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// 3. pre-run appended it, var Module = {}; ..generated code..
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// 4. External script tag defines var Module.
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// We need to check if Module already exists (e.g. case 3 above).
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// Substitution will be replaced with actual code on later stage of the build,
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// this way Closure Compiler will not mangle it (e.g. case 4. above).
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// Note that if you want to run closure, and also to use Module
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// after the generated code, you will need to define var Module = {};
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// before the code. Then that object will be used in the code, and you
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// can continue to use Module afterwards as well.
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var Module = moduleArg;
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// Set up the promise that indicates the Module is initialized
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var readyPromiseResolve, readyPromiseReject;
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var readyPromise = new Promise((resolve, reject) => {
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readyPromiseResolve = resolve;
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readyPromiseReject = reject;
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});
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// Determine the runtime environment we are in. You can customize this by
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// setting the ENVIRONMENT setting at compile time (see settings.js).
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// Attempt to auto-detect the environment
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var ENVIRONMENT_IS_WEB = typeof window == "object";
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var ENVIRONMENT_IS_WORKER = typeof WorkerGlobalScope != "undefined";
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// N.b. Electron.js environment is simultaneously a NODE-environment, but
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// also a web environment.
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var ENVIRONMENT_IS_NODE = typeof process == "object" && typeof process.versions == "object" && typeof process.versions.node == "string" && process.type != "renderer";
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var ENVIRONMENT_IS_SHELL = !ENVIRONMENT_IS_WEB && !ENVIRONMENT_IS_NODE && !ENVIRONMENT_IS_WORKER;
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// Three configurations we can be running in:
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// 1) We could be the application main() thread running in the main JS UI thread. (ENVIRONMENT_IS_WORKER == false and ENVIRONMENT_IS_PTHREAD == false)
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// 2) We could be the application main() thread proxied to worker. (with Emscripten -sPROXY_TO_WORKER) (ENVIRONMENT_IS_WORKER == true, ENVIRONMENT_IS_PTHREAD == false)
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// 3) We could be an application pthread running in a worker. (ENVIRONMENT_IS_WORKER == true and ENVIRONMENT_IS_PTHREAD == true)
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// The way we signal to a worker that it is hosting a pthread is to construct
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// it with a specific name.
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var ENVIRONMENT_IS_PTHREAD = ENVIRONMENT_IS_WORKER && self.name?.startsWith("em-pthread");
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if (ENVIRONMENT_IS_PTHREAD) {
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assert(!globalThis.moduleLoaded, "module should only be loaded once on each pthread worker");
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globalThis.moduleLoaded = true;
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}
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// --pre-jses are emitted after the Module integration code, so that they can
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// refer to Module (if they choose; they can also define Module)
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// Sometimes an existing Module object exists with properties
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// meant to overwrite the default module functionality. Here
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// we collect those properties and reapply _after_ we configure
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// the current environment's defaults to avoid having to be so
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// defensive during initialization.
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var moduleOverrides = {
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...Module
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};
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var arguments_ = [];
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var thisProgram = "./this.program";
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var quit_ = (status, toThrow) => {
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throw toThrow;
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};
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// `/` should be present at the end if `scriptDirectory` is not empty
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var scriptDirectory = "";
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function locateFile(path) {
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if (Module["locateFile"]) {
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return Module["locateFile"](path, scriptDirectory);
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}
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return scriptDirectory + path;
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}
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// Hooks that are implemented differently in different runtime environments.
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var readAsync, readBinary;
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if (ENVIRONMENT_IS_SHELL) {
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if ((typeof process == "object" && typeof require === "function") || typeof window == "object" || typeof WorkerGlobalScope != "undefined") throw new Error("not compiled for this environment (did you build to HTML and try to run it not on the web, or set ENVIRONMENT to something - like node - and run it someplace else - like on the web?)");
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} else // Note that this includes Node.js workers when relevant (pthreads is enabled).
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// Node.js workers are detected as a combination of ENVIRONMENT_IS_WORKER and
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// ENVIRONMENT_IS_NODE.
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if (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) {
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if (ENVIRONMENT_IS_WORKER) {
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// Check worker, not web, since window could be polyfilled
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scriptDirectory = self.location.href;
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} else if (typeof document != "undefined" && document.currentScript) {
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// web
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scriptDirectory = document.currentScript.src;
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}
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// When MODULARIZE, this JS may be executed later, after document.currentScript
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// is gone, so we saved it, and we use it here instead of any other info.
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if (_scriptName) {
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scriptDirectory = _scriptName;
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}
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// blob urls look like blob:http://site.com/etc/etc and we cannot infer anything from them.
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// otherwise, slice off the final part of the url to find the script directory.
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// if scriptDirectory does not contain a slash, lastIndexOf will return -1,
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// and scriptDirectory will correctly be replaced with an empty string.
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// If scriptDirectory contains a query (starting with ?) or a fragment (starting with #),
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// they are removed because they could contain a slash.
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if (scriptDirectory.startsWith("blob:")) {
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scriptDirectory = "";
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} else {
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scriptDirectory = scriptDirectory.slice(0, scriptDirectory.replace(/[?#].*/, "").lastIndexOf("/") + 1);
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}
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if (!(typeof window == "object" || typeof WorkerGlobalScope != "undefined")) throw new Error("not compiled for this environment (did you build to HTML and try to run it not on the web, or set ENVIRONMENT to something - like node - and run it someplace else - like on the web?)");
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{
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// include: web_or_worker_shell_read.js
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if (ENVIRONMENT_IS_WORKER) {
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readBinary = url => {
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var xhr = new XMLHttpRequest;
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xhr.open("GET", url, false);
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xhr.responseType = "arraybuffer";
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xhr.send(null);
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return new Uint8Array(/** @type{!ArrayBuffer} */ (xhr.response));
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};
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}
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readAsync = async url => {
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assert(!isFileURI(url), "readAsync does not work with file:// URLs");
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var response = await fetch(url, {
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credentials: "same-origin"
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});
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if (response.ok) {
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return response.arrayBuffer();
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}
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throw new Error(response.status + " : " + response.url);
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};
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}
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} else {
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throw new Error("environment detection error");
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}
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var out = Module["print"] || console.log.bind(console);
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var err = Module["printErr"] || console.error.bind(console);
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// Merge back in the overrides
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Object.assign(Module, moduleOverrides);
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// Free the object hierarchy contained in the overrides, this lets the GC
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// reclaim data used.
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moduleOverrides = null;
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checkIncomingModuleAPI();
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// Emit code to handle expected values on the Module object. This applies Module.x
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// to the proper local x. This has two benefits: first, we only emit it if it is
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// expected to arrive, and second, by using a local everywhere else that can be
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// minified.
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if (Module["arguments"]) arguments_ = Module["arguments"];
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legacyModuleProp("arguments", "arguments_");
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if (Module["thisProgram"]) thisProgram = Module["thisProgram"];
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legacyModuleProp("thisProgram", "thisProgram");
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// perform assertions in shell.js after we set up out() and err(), as otherwise if an assertion fails it cannot print the message
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// Assertions on removed incoming Module JS APIs.
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assert(typeof Module["memoryInitializerPrefixURL"] == "undefined", "Module.memoryInitializerPrefixURL option was removed, use Module.locateFile instead");
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assert(typeof Module["pthreadMainPrefixURL"] == "undefined", "Module.pthreadMainPrefixURL option was removed, use Module.locateFile instead");
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assert(typeof Module["cdInitializerPrefixURL"] == "undefined", "Module.cdInitializerPrefixURL option was removed, use Module.locateFile instead");
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assert(typeof Module["filePackagePrefixURL"] == "undefined", "Module.filePackagePrefixURL option was removed, use Module.locateFile instead");
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assert(typeof Module["read"] == "undefined", "Module.read option was removed");
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assert(typeof Module["readAsync"] == "undefined", "Module.readAsync option was removed (modify readAsync in JS)");
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assert(typeof Module["readBinary"] == "undefined", "Module.readBinary option was removed (modify readBinary in JS)");
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assert(typeof Module["setWindowTitle"] == "undefined", "Module.setWindowTitle option was removed (modify emscripten_set_window_title in JS)");
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assert(typeof Module["TOTAL_MEMORY"] == "undefined", "Module.TOTAL_MEMORY has been renamed Module.INITIAL_MEMORY");
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legacyModuleProp("asm", "wasmExports");
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legacyModuleProp("readAsync", "readAsync");
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legacyModuleProp("readBinary", "readBinary");
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legacyModuleProp("setWindowTitle", "setWindowTitle");
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var IDBFS = "IDBFS is no longer included by default; build with -lidbfs.js";
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var PROXYFS = "PROXYFS is no longer included by default; build with -lproxyfs.js";
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var WORKERFS = "WORKERFS is no longer included by default; build with -lworkerfs.js";
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var FETCHFS = "FETCHFS is no longer included by default; build with -lfetchfs.js";
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var ICASEFS = "ICASEFS is no longer included by default; build with -licasefs.js";
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var JSFILEFS = "JSFILEFS is no longer included by default; build with -ljsfilefs.js";
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var OPFS = "OPFS is no longer included by default; build with -lopfs.js";
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var NODEFS = "NODEFS is no longer included by default; build with -lnodefs.js";
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assert(ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER || ENVIRONMENT_IS_NODE, "Pthreads do not work in this environment yet (need Web Workers, or an alternative to them)");
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assert(!ENVIRONMENT_IS_NODE, "node environment detected but not enabled at build time. Add `node` to `-sENVIRONMENT` to enable.");
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assert(!ENVIRONMENT_IS_SHELL, "shell environment detected but not enabled at build time. Add `shell` to `-sENVIRONMENT` to enable.");
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// end include: shell.js
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// include: preamble.js
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// === Preamble library stuff ===
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// Documentation for the public APIs defined in this file must be updated in:
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// site/source/docs/api_reference/preamble.js.rst
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// A prebuilt local version of the documentation is available at:
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// site/build/text/docs/api_reference/preamble.js.txt
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// You can also build docs locally as HTML or other formats in site/
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// An online HTML version (which may be of a different version of Emscripten)
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// is up at http://kripken.github.io/emscripten-site/docs/api_reference/preamble.js.html
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var wasmBinary = Module["wasmBinary"];
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legacyModuleProp("wasmBinary", "wasmBinary");
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if (typeof WebAssembly != "object") {
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err("no native wasm support detected");
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}
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// Wasm globals
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var wasmMemory;
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// For sending to workers.
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var wasmModule;
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//========================================
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// Runtime essentials
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//========================================
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// whether we are quitting the application. no code should run after this.
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// set in exit() and abort()
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var ABORT = false;
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// set by exit() and abort(). Passed to 'onExit' handler.
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// NOTE: This is also used as the process return code code in shell environments
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// but only when noExitRuntime is false.
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var EXITSTATUS;
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// In STRICT mode, we only define assert() when ASSERTIONS is set. i.e. we
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// don't define it at all in release modes. This matches the behaviour of
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// MINIMAL_RUNTIME.
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// TODO(sbc): Make this the default even without STRICT enabled.
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/** @type {function(*, string=)} */ function assert(condition, text) {
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if (!condition) {
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abort("Assertion failed" + (text ? ": " + text : ""));
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}
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}
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// We used to include malloc/free by default in the past. Show a helpful error in
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// builds with assertions.
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// Memory management
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var HEAP, /** @type {!Int8Array} */ HEAP8, /** @type {!Uint8Array} */ HEAPU8, /** @type {!Int16Array} */ HEAP16, /** @type {!Uint16Array} */ HEAPU16, /** @type {!Int32Array} */ HEAP32, /** @type {!Uint32Array} */ HEAPU32, /** @type {!Float32Array} */ HEAPF32, /* BigInt64Array type is not correctly defined in closure
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/** not-@type {!BigInt64Array} */ HEAP64, /* BigUint64Array type is not correctly defined in closure
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/** not-t@type {!BigUint64Array} */ HEAPU64, /** @type {!Float64Array} */ HEAPF64;
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var runtimeInitialized = false;
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/**
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* Indicates whether filename is delivered via file protocol (as opposed to http/https)
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* @noinline
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*/ var isFileURI = filename => filename.startsWith("file://");
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// include: runtime_shared.js
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// include: runtime_stack_check.js
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// Initializes the stack cookie. Called at the startup of main and at the startup of each thread in pthreads mode.
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function writeStackCookie() {
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var max = _emscripten_stack_get_end();
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assert((max & 3) == 0);
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// If the stack ends at address zero we write our cookies 4 bytes into the
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// stack. This prevents interference with SAFE_HEAP and ASAN which also
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// monitor writes to address zero.
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if (max == 0) {
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max += 4;
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}
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// The stack grow downwards towards _emscripten_stack_get_end.
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// We write cookies to the final two words in the stack and detect if they are
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// ever overwritten.
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GROWABLE_HEAP_U32()[((max) >> 2)] = 34821223;
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GROWABLE_HEAP_U32()[(((max) + (4)) >> 2)] = 2310721022;
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// Also test the global address 0 for integrity.
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GROWABLE_HEAP_U32()[((0) >> 2)] = 1668509029;
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}
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function checkStackCookie() {
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if (ABORT) return;
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var max = _emscripten_stack_get_end();
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// See writeStackCookie().
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if (max == 0) {
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max += 4;
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}
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var cookie1 = GROWABLE_HEAP_U32()[((max) >> 2)];
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var cookie2 = GROWABLE_HEAP_U32()[(((max) + (4)) >> 2)];
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if (cookie1 != 34821223 || cookie2 != 2310721022) {
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abort(`Stack overflow! Stack cookie has been overwritten at ${ptrToString(max)}, expected hex dwords 0x89BACDFE and 0x2135467, but received ${ptrToString(cookie2)} ${ptrToString(cookie1)}`);
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}
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// Also test the global address 0 for integrity.
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if (GROWABLE_HEAP_U32()[((0) >> 2)] != 1668509029) {
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abort("Runtime error: The application has corrupted its heap memory area (address zero)!");
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}
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}
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// end include: runtime_stack_check.js
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// include: runtime_exceptions.js
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// end include: runtime_exceptions.js
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// include: runtime_debug.js
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// Endianness check
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(() => {
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var h16 = new Int16Array(1);
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var h8 = new Int8Array(h16.buffer);
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h16[0] = 25459;
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if (h8[0] !== 115 || h8[1] !== 99) throw "Runtime error: expected the system to be little-endian! (Run with -sSUPPORT_BIG_ENDIAN to bypass)";
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})();
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if (Module["ENVIRONMENT"]) {
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throw new Error("Module.ENVIRONMENT has been deprecated. To force the environment, use the ENVIRONMENT compile-time option (for example, -sENVIRONMENT=web or -sENVIRONMENT=node)");
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}
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function legacyModuleProp(prop, newName, incoming = true) {
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if (!Object.getOwnPropertyDescriptor(Module, prop)) {
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Object.defineProperty(Module, prop, {
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configurable: true,
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get() {
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let extra = incoming ? " (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)" : "";
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abort(`\`Module.${prop}\` has been replaced by \`${newName}\`` + extra);
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}
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});
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}
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}
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function consumedModuleProp(prop) {
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if (!Object.getOwnPropertyDescriptor(Module, prop)) {
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Object.defineProperty(Module, prop, {
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configurable: true,
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set() {
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abort(`Attempt to set \`Module.${prop}\` after it has already been processed. This can happen, for example, when code is injected via '--post-js' rather than '--pre-js'`);
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}
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});
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}
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}
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function ignoredModuleProp(prop) {
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if (Object.getOwnPropertyDescriptor(Module, prop)) {
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abort(`\`Module.${prop}\` was supplied but \`${prop}\` not included in INCOMING_MODULE_JS_API`);
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}
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}
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// forcing the filesystem exports a few things by default
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function isExportedByForceFilesystem(name) {
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return name === "FS_createPath" || name === "FS_createDataFile" || name === "FS_createPreloadedFile" || name === "FS_unlink" || name === "addRunDependency" || // The old FS has some functionality that WasmFS lacks.
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name === "FS_createLazyFile" || name === "FS_createDevice" || name === "removeRunDependency";
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}
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/**
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* Intercept access to a global symbol. This enables us to give informative
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* warnings/errors when folks attempt to use symbols they did not include in
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* their build, or no symbols that no longer exist.
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*/ function hookGlobalSymbolAccess(sym, func) {}
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function missingGlobal(sym, msg) {
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hookGlobalSymbolAccess(sym, () => {
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warnOnce(`\`${sym}\` is not longer defined by emscripten. ${msg}`);
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});
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}
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missingGlobal("buffer", "Please use HEAP8.buffer or wasmMemory.buffer");
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missingGlobal("asm", "Please use wasmExports instead");
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function missingLibrarySymbol(sym) {
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hookGlobalSymbolAccess(sym, () => {
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// Can't `abort()` here because it would break code that does runtime
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// checks. e.g. `if (typeof SDL === 'undefined')`.
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var msg = `\`${sym}\` is a library symbol and not included by default; add it to your library.js __deps or to DEFAULT_LIBRARY_FUNCS_TO_INCLUDE on the command line`;
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// DEFAULT_LIBRARY_FUNCS_TO_INCLUDE requires the name as it appears in
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// library.js, which means $name for a JS name with no prefix, or name
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// for a JS name like _name.
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var librarySymbol = sym;
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if (!librarySymbol.startsWith("_")) {
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librarySymbol = "$" + sym;
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}
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msg += ` (e.g. -sDEFAULT_LIBRARY_FUNCS_TO_INCLUDE='${librarySymbol}')`;
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if (isExportedByForceFilesystem(sym)) {
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msg += ". Alternatively, forcing filesystem support (-sFORCE_FILESYSTEM) can export this for you";
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}
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warnOnce(msg);
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});
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// Any symbol that is not included from the JS library is also (by definition)
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// not exported on the Module object.
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unexportedRuntimeSymbol(sym);
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}
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function unexportedRuntimeSymbol(sym) {
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if (ENVIRONMENT_IS_PTHREAD) {
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return;
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}
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if (!Object.getOwnPropertyDescriptor(Module, sym)) {
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Object.defineProperty(Module, sym, {
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configurable: true,
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get() {
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var msg = `'${sym}' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the Emscripten FAQ)`;
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if (isExportedByForceFilesystem(sym)) {
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msg += ". Alternatively, forcing filesystem support (-sFORCE_FILESYSTEM) can export this for you";
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}
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abort(msg);
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}
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});
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}
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}
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var runtimeDebug = true;
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|
|
// Switch to false at runtime to disable logging at the right times
|
|
// Used by XXXXX_DEBUG settings to output debug messages.
|
|
function dbg(...args) {
|
|
if (!runtimeDebug && typeof runtimeDebug != "undefined") return;
|
|
// TODO(sbc): Make this configurable somehow. Its not always convenient for
|
|
// logging to show up as warnings.
|
|
console.warn(...args);
|
|
}
|
|
|
|
// end include: runtime_debug.js
|
|
// include: memoryprofiler.js
|
|
// end include: memoryprofiler.js
|
|
// include: growableHeap.js
|
|
// Support for growable heap + pthreads, where the buffer may change, so JS views
|
|
// must be updated.
|
|
function GROWABLE_HEAP_I8() {
|
|
if (wasmMemory.buffer != HEAP8.buffer) {
|
|
updateMemoryViews();
|
|
}
|
|
return HEAP8;
|
|
}
|
|
|
|
function GROWABLE_HEAP_U8() {
|
|
if (wasmMemory.buffer != HEAP8.buffer) {
|
|
updateMemoryViews();
|
|
}
|
|
return HEAPU8;
|
|
}
|
|
|
|
function GROWABLE_HEAP_I16() {
|
|
if (wasmMemory.buffer != HEAP8.buffer) {
|
|
updateMemoryViews();
|
|
}
|
|
return HEAP16;
|
|
}
|
|
|
|
function GROWABLE_HEAP_U16() {
|
|
if (wasmMemory.buffer != HEAP8.buffer) {
|
|
updateMemoryViews();
|
|
}
|
|
return HEAPU16;
|
|
}
|
|
|
|
function GROWABLE_HEAP_I32() {
|
|
if (wasmMemory.buffer != HEAP8.buffer) {
|
|
updateMemoryViews();
|
|
}
|
|
return HEAP32;
|
|
}
|
|
|
|
function GROWABLE_HEAP_U32() {
|
|
if (wasmMemory.buffer != HEAP8.buffer) {
|
|
updateMemoryViews();
|
|
}
|
|
return HEAPU32;
|
|
}
|
|
|
|
function GROWABLE_HEAP_F32() {
|
|
if (wasmMemory.buffer != HEAP8.buffer) {
|
|
updateMemoryViews();
|
|
}
|
|
return HEAPF32;
|
|
}
|
|
|
|
function GROWABLE_HEAP_F64() {
|
|
if (wasmMemory.buffer != HEAP8.buffer) {
|
|
updateMemoryViews();
|
|
}
|
|
return HEAPF64;
|
|
}
|
|
|
|
// end include: growableHeap.js
|
|
// include: runtime_pthread.js
|
|
// Pthread Web Worker handling code.
|
|
// This code runs only on pthread web workers and handles pthread setup
|
|
// and communication with the main thread via postMessage.
|
|
// Unique ID of the current pthread worker (zero on non-pthread-workers
|
|
// including the main thread).
|
|
var workerID = 0;
|
|
|
|
if (ENVIRONMENT_IS_PTHREAD) {
|
|
var wasmModuleReceived;
|
|
// Thread-local guard variable for one-time init of the JS state
|
|
var initializedJS = false;
|
|
function threadPrintErr(...args) {
|
|
console.error(...args);
|
|
}
|
|
if (!Module["printErr"]) err = threadPrintErr;
|
|
// Turn unhandled rejected promises into errors so that the main thread will be
|
|
// notified about them.
|
|
self.onunhandledrejection = e => {
|
|
throw e.reason || e;
|
|
};
|
|
function handleMessage(e) {
|
|
try {
|
|
var msgData = e["data"];
|
|
//dbg('msgData: ' + Object.keys(msgData));
|
|
var cmd = msgData.cmd;
|
|
if (cmd === "load") {
|
|
// Preload command that is called once per worker to parse and load the Emscripten code.
|
|
workerID = msgData.workerID;
|
|
// Until we initialize the runtime, queue up any further incoming messages.
|
|
let messageQueue = [];
|
|
self.onmessage = e => messageQueue.push(e);
|
|
// And add a callback for when the runtime is initialized.
|
|
self.startWorker = instance => {
|
|
// Notify the main thread that this thread has loaded.
|
|
postMessage({
|
|
cmd: "loaded"
|
|
});
|
|
// Process any messages that were queued before the thread was ready.
|
|
for (let msg of messageQueue) {
|
|
handleMessage(msg);
|
|
}
|
|
// Restore the real message handler.
|
|
self.onmessage = handleMessage;
|
|
};
|
|
// Use `const` here to ensure that the variable is scoped only to
|
|
// that iteration, allowing safe reference from a closure.
|
|
for (const handler of msgData.handlers) {
|
|
// The the main module has a handler for a certain even, but no
|
|
// handler exists on the pthread worker, then proxy that handler
|
|
// back to the main thread.
|
|
if (!Module[handler] || Module[handler].proxy) {
|
|
Module[handler] = (...args) => {
|
|
postMessage({
|
|
cmd: "callHandler",
|
|
handler,
|
|
args
|
|
});
|
|
};
|
|
// Rebind the out / err handlers if needed
|
|
if (handler == "print") out = Module[handler];
|
|
if (handler == "printErr") err = Module[handler];
|
|
}
|
|
}
|
|
wasmMemory = msgData.wasmMemory;
|
|
updateMemoryViews();
|
|
wasmModuleReceived(msgData.wasmModule);
|
|
} else if (cmd === "run") {
|
|
assert(msgData.pthread_ptr);
|
|
// Call inside JS module to set up the stack frame for this pthread in JS module scope.
|
|
// This needs to be the first thing that we do, as we cannot call to any C/C++ functions
|
|
// until the thread stack is initialized.
|
|
establishStackSpace(msgData.pthread_ptr);
|
|
// Pass the thread address to wasm to store it for fast access.
|
|
__emscripten_thread_init(msgData.pthread_ptr, /*is_main=*/ 0, /*is_runtime=*/ 0, /*can_block=*/ 1, 0, 0);
|
|
PThread.receiveOffscreenCanvases(msgData);
|
|
PThread.threadInitTLS();
|
|
// Await mailbox notifications with `Atomics.waitAsync` so we can start
|
|
// using the fast `Atomics.notify` notification path.
|
|
__emscripten_thread_mailbox_await(msgData.pthread_ptr);
|
|
if (!initializedJS) {
|
|
// Embind must initialize itself on all threads, as it generates support JS.
|
|
// We only do this once per worker since they get reused
|
|
__embind_initialize_bindings();
|
|
initializedJS = true;
|
|
}
|
|
try {
|
|
invokeEntryPoint(msgData.start_routine, msgData.arg);
|
|
} catch (ex) {
|
|
if (ex != "unwind") {
|
|
// The pthread "crashed". Do not call `_emscripten_thread_exit` (which
|
|
// would make this thread joinable). Instead, re-throw the exception
|
|
// and let the top level handler propagate it back to the main thread.
|
|
throw ex;
|
|
}
|
|
}
|
|
} else if (msgData.target === "setimmediate") {} else if (cmd === "checkMailbox") {
|
|
if (initializedJS) {
|
|
checkMailbox();
|
|
}
|
|
} else if (cmd) {
|
|
// The received message looks like something that should be handled by this message
|
|
// handler, (since there is a cmd field present), but is not one of the
|
|
// recognized commands:
|
|
err(`worker: received unknown command ${cmd}`);
|
|
err(msgData);
|
|
}
|
|
} catch (ex) {
|
|
err(`worker: onmessage() captured an uncaught exception: ${ex}`);
|
|
if (ex?.stack) err(ex.stack);
|
|
__emscripten_thread_crashed();
|
|
throw ex;
|
|
}
|
|
}
|
|
self.onmessage = handleMessage;
|
|
}
|
|
|
|
// ENVIRONMENT_IS_PTHREAD
|
|
// end include: runtime_pthread.js
|
|
function updateMemoryViews() {
|
|
var b = wasmMemory.buffer;
|
|
Module["HEAP8"] = HEAP8 = new Int8Array(b);
|
|
Module["HEAP16"] = HEAP16 = new Int16Array(b);
|
|
Module["HEAPU8"] = HEAPU8 = new Uint8Array(b);
|
|
Module["HEAPU16"] = HEAPU16 = new Uint16Array(b);
|
|
Module["HEAP32"] = HEAP32 = new Int32Array(b);
|
|
Module["HEAPU32"] = HEAPU32 = new Uint32Array(b);
|
|
Module["HEAPF32"] = HEAPF32 = new Float32Array(b);
|
|
Module["HEAPF64"] = HEAPF64 = new Float64Array(b);
|
|
Module["HEAP64"] = HEAP64 = new BigInt64Array(b);
|
|
Module["HEAPU64"] = HEAPU64 = new BigUint64Array(b);
|
|
}
|
|
|
|
// end include: runtime_shared.js
|
|
assert(!Module["STACK_SIZE"], "STACK_SIZE can no longer be set at runtime. Use -sSTACK_SIZE at link time");
|
|
|
|
assert(typeof Int32Array != "undefined" && typeof Float64Array !== "undefined" && Int32Array.prototype.subarray != undefined && Int32Array.prototype.set != undefined, "JS engine does not provide full typed array support");
|
|
|
|
// In non-standalone/normal mode, we create the memory here.
|
|
// include: runtime_init_memory.js
|
|
// Create the wasm memory. (Note: this only applies if IMPORTED_MEMORY is defined)
|
|
// check for full engine support (use string 'subarray' to avoid closure compiler confusion)
|
|
if (!ENVIRONMENT_IS_PTHREAD) {
|
|
if (Module["wasmMemory"]) {
|
|
wasmMemory = Module["wasmMemory"];
|
|
} else {
|
|
var INITIAL_MEMORY = Module["INITIAL_MEMORY"] || 67108864;
|
|
legacyModuleProp("INITIAL_MEMORY", "INITIAL_MEMORY");
|
|
assert(INITIAL_MEMORY >= 16777216, "INITIAL_MEMORY should be larger than STACK_SIZE, was " + INITIAL_MEMORY + "! (STACK_SIZE=" + 16777216 + ")");
|
|
/** @suppress {checkTypes} */ wasmMemory = new WebAssembly.Memory({
|
|
"initial": INITIAL_MEMORY / 65536,
|
|
// In theory we should not need to emit the maximum if we want "unlimited"
|
|
// or 4GB of memory, but VMs error on that atm, see
|
|
// https://github.com/emscripten-core/emscripten/issues/14130
|
|
// And in the pthreads case we definitely need to emit a maximum. So
|
|
// always emit one.
|
|
"maximum": 32768,
|
|
"shared": true
|
|
});
|
|
}
|
|
updateMemoryViews();
|
|
}
|
|
|
|
// end include: runtime_init_memory.js
|
|
function preRun() {
|
|
assert(!ENVIRONMENT_IS_PTHREAD);
|
|
// PThreads reuse the runtime from the main thread.
|
|
if (Module["preRun"]) {
|
|
if (typeof Module["preRun"] == "function") Module["preRun"] = [ Module["preRun"] ];
|
|
while (Module["preRun"].length) {
|
|
addOnPreRun(Module["preRun"].shift());
|
|
}
|
|
}
|
|
consumedModuleProp("preRun");
|
|
callRuntimeCallbacks(onPreRuns);
|
|
}
|
|
|
|
function initRuntime() {
|
|
assert(!runtimeInitialized);
|
|
runtimeInitialized = true;
|
|
if (ENVIRONMENT_IS_PTHREAD) return startWorker(Module);
|
|
checkStackCookie();
|
|
setStackLimits();
|
|
if (!Module["noFSInit"] && !FS.initialized) FS.init();
|
|
TTY.init();
|
|
wasmExports["__wasm_call_ctors"]();
|
|
FS.ignorePermissions = false;
|
|
}
|
|
|
|
function preMain() {
|
|
checkStackCookie();
|
|
}
|
|
|
|
function postRun() {
|
|
checkStackCookie();
|
|
if (ENVIRONMENT_IS_PTHREAD) return;
|
|
// PThreads reuse the runtime from the main thread.
|
|
if (Module["postRun"]) {
|
|
if (typeof Module["postRun"] == "function") Module["postRun"] = [ Module["postRun"] ];
|
|
while (Module["postRun"].length) {
|
|
addOnPostRun(Module["postRun"].shift());
|
|
}
|
|
}
|
|
consumedModuleProp("postRun");
|
|
callRuntimeCallbacks(onPostRuns);
|
|
}
|
|
|
|
// A counter of dependencies for calling run(). If we need to
|
|
// do asynchronous work before running, increment this and
|
|
// decrement it. Incrementing must happen in a place like
|
|
// Module.preRun (used by emcc to add file preloading).
|
|
// Note that you can add dependencies in preRun, even though
|
|
// it happens right before run - run will be postponed until
|
|
// the dependencies are met.
|
|
var runDependencies = 0;
|
|
|
|
var dependenciesFulfilled = null;
|
|
|
|
// overridden to take different actions when all run dependencies are fulfilled
|
|
var runDependencyTracking = {};
|
|
|
|
var runDependencyWatcher = null;
|
|
|
|
function getUniqueRunDependency(id) {
|
|
var orig = id;
|
|
while (1) {
|
|
if (!runDependencyTracking[id]) return id;
|
|
id = orig + Math.random();
|
|
}
|
|
}
|
|
|
|
function addRunDependency(id) {
|
|
runDependencies++;
|
|
Module["monitorRunDependencies"]?.(runDependencies);
|
|
if (id) {
|
|
assert(!runDependencyTracking[id]);
|
|
runDependencyTracking[id] = 1;
|
|
if (runDependencyWatcher === null && typeof setInterval != "undefined") {
|
|
// Check for missing dependencies every few seconds
|
|
runDependencyWatcher = setInterval(() => {
|
|
if (ABORT) {
|
|
clearInterval(runDependencyWatcher);
|
|
runDependencyWatcher = null;
|
|
return;
|
|
}
|
|
var shown = false;
|
|
for (var dep in runDependencyTracking) {
|
|
if (!shown) {
|
|
shown = true;
|
|
err("still waiting on run dependencies:");
|
|
}
|
|
err(`dependency: ${dep}`);
|
|
}
|
|
if (shown) {
|
|
err("(end of list)");
|
|
}
|
|
}, 1e4);
|
|
}
|
|
} else {
|
|
err("warning: run dependency added without ID");
|
|
}
|
|
}
|
|
|
|
function removeRunDependency(id) {
|
|
runDependencies--;
|
|
Module["monitorRunDependencies"]?.(runDependencies);
|
|
if (id) {
|
|
assert(runDependencyTracking[id]);
|
|
delete runDependencyTracking[id];
|
|
} else {
|
|
err("warning: run dependency removed without ID");
|
|
}
|
|
if (runDependencies == 0) {
|
|
if (runDependencyWatcher !== null) {
|
|
clearInterval(runDependencyWatcher);
|
|
runDependencyWatcher = null;
|
|
}
|
|
if (dependenciesFulfilled) {
|
|
var callback = dependenciesFulfilled;
|
|
dependenciesFulfilled = null;
|
|
callback();
|
|
}
|
|
}
|
|
}
|
|
|
|
/** @param {string|number=} what */ function abort(what) {
|
|
Module["onAbort"]?.(what);
|
|
what = "Aborted(" + what + ")";
|
|
// TODO(sbc): Should we remove printing and leave it up to whoever
|
|
// catches the exception?
|
|
err(what);
|
|
ABORT = true;
|
|
if (what.indexOf("RuntimeError: unreachable") >= 0) {
|
|
what += '. "unreachable" may be due to ASYNCIFY_STACK_SIZE not being large enough (try increasing it)';
|
|
}
|
|
// Use a wasm runtime error, because a JS error might be seen as a foreign
|
|
// exception, which means we'd run destructors on it. We need the error to
|
|
// simply make the program stop.
|
|
// FIXME This approach does not work in Wasm EH because it currently does not assume
|
|
// all RuntimeErrors are from traps; it decides whether a RuntimeError is from
|
|
// a trap or not based on a hidden field within the object. So at the moment
|
|
// we don't have a way of throwing a wasm trap from JS. TODO Make a JS API that
|
|
// allows this in the wasm spec.
|
|
// Suppress closure compiler warning here. Closure compiler's builtin extern
|
|
// definition for WebAssembly.RuntimeError claims it takes no arguments even
|
|
// though it can.
|
|
// TODO(https://github.com/google/closure-compiler/pull/3913): Remove if/when upstream closure gets fixed.
|
|
/** @suppress {checkTypes} */ var e = new WebAssembly.RuntimeError(what);
|
|
readyPromiseReject(e);
|
|
// Throw the error whether or not MODULARIZE is set because abort is used
|
|
// in code paths apart from instantiation where an exception is expected
|
|
// to be thrown when abort is called.
|
|
throw e;
|
|
}
|
|
|
|
function createExportWrapper(name, nargs) {
|
|
return (...args) => {
|
|
assert(runtimeInitialized, `native function \`${name}\` called before runtime initialization`);
|
|
var f = wasmExports[name];
|
|
assert(f, `exported native function \`${name}\` not found`);
|
|
// Only assert for too many arguments. Too few can be valid since the missing arguments will be zero filled.
|
|
assert(args.length <= nargs, `native function \`${name}\` called with ${args.length} args but expects ${nargs}`);
|
|
return f(...args);
|
|
};
|
|
}
|
|
|
|
var wasmBinaryFile;
|
|
|
|
function findWasmBinary() {
|
|
return locateFile("h265web_wasm.wasm");
|
|
}
|
|
|
|
function getBinarySync(file) {
|
|
if (file == wasmBinaryFile && wasmBinary) {
|
|
return new Uint8Array(wasmBinary);
|
|
}
|
|
if (readBinary) {
|
|
return readBinary(file);
|
|
}
|
|
throw "both async and sync fetching of the wasm failed";
|
|
}
|
|
|
|
async function getWasmBinary(binaryFile) {
|
|
// If we don't have the binary yet, load it asynchronously using readAsync.
|
|
if (!wasmBinary) {
|
|
// Fetch the binary using readAsync
|
|
try {
|
|
var response = await readAsync(binaryFile);
|
|
return new Uint8Array(response);
|
|
} catch {}
|
|
}
|
|
// Otherwise, getBinarySync should be able to get it synchronously
|
|
return getBinarySync(binaryFile);
|
|
}
|
|
|
|
async function instantiateArrayBuffer(binaryFile, imports) {
|
|
try {
|
|
var binary = await getWasmBinary(binaryFile);
|
|
var instance = await WebAssembly.instantiate(binary, imports);
|
|
return instance;
|
|
} catch (reason) {
|
|
err(`failed to asynchronously prepare wasm: ${reason}`);
|
|
// Warn on some common problems.
|
|
if (isFileURI(wasmBinaryFile)) {
|
|
err(`warning: Loading from a file URI (${wasmBinaryFile}) is not supported in most browsers. See https://emscripten.org/docs/getting_started/FAQ.html#how-do-i-run-a-local-webserver-for-testing-why-does-my-program-stall-in-downloading-or-preparing`);
|
|
}
|
|
abort(reason);
|
|
}
|
|
}
|
|
|
|
async function instantiateAsync(binary, binaryFile, imports) {
|
|
if (!binary && typeof WebAssembly.instantiateStreaming == "function") {
|
|
try {
|
|
var response = fetch(binaryFile, {
|
|
credentials: "same-origin"
|
|
});
|
|
var instantiationResult = await WebAssembly.instantiateStreaming(response, imports);
|
|
return instantiationResult;
|
|
} catch (reason) {
|
|
// We expect the most common failure cause to be a bad MIME type for the binary,
|
|
// in which case falling back to ArrayBuffer instantiation should work.
|
|
err(`wasm streaming compile failed: ${reason}`);
|
|
err("falling back to ArrayBuffer instantiation");
|
|
}
|
|
}
|
|
return instantiateArrayBuffer(binaryFile, imports);
|
|
}
|
|
|
|
function getWasmImports() {
|
|
assignWasmImports();
|
|
// instrumenting imports is used in asyncify in two ways: to add assertions
|
|
// that check for proper import use, and for ASYNCIFY=2 we use them to set up
|
|
// the Promise API on the import side.
|
|
// In pthreads builds getWasmImports is called more than once but we only
|
|
// and the instrument the imports once.
|
|
if (!wasmImports.__instrumented) {
|
|
wasmImports.__instrumented = true;
|
|
Asyncify.instrumentWasmImports(wasmImports);
|
|
}
|
|
// prepare imports
|
|
return {
|
|
"env": wasmImports,
|
|
"wasi_snapshot_preview1": wasmImports
|
|
};
|
|
}
|
|
|
|
// Create the wasm instance.
|
|
// Receives the wasm imports, returns the exports.
|
|
async function createWasm() {
|
|
// Load the wasm module and create an instance of using native support in the JS engine.
|
|
// handle a generated wasm instance, receiving its exports and
|
|
// performing other necessary setup
|
|
/** @param {WebAssembly.Module=} module*/ function receiveInstance(instance, module) {
|
|
wasmExports = instance.exports;
|
|
wasmExports = Asyncify.instrumentWasmExports(wasmExports);
|
|
registerTLSInit(wasmExports["_emscripten_tls_init"]);
|
|
wasmTable = wasmExports["__indirect_function_table"];
|
|
assert(wasmTable, "table not found in wasm exports");
|
|
// We now have the Wasm module loaded up, keep a reference to the compiled module so we can post it to the workers.
|
|
wasmModule = module;
|
|
removeRunDependency("wasm-instantiate");
|
|
return wasmExports;
|
|
}
|
|
// wait for the pthread pool (if any)
|
|
addRunDependency("wasm-instantiate");
|
|
// Prefer streaming instantiation if available.
|
|
// Async compilation can be confusing when an error on the page overwrites Module
|
|
// (for example, if the order of elements is wrong, and the one defining Module is
|
|
// later), so we save Module and check it later.
|
|
var trueModule = Module;
|
|
function receiveInstantiationResult(result) {
|
|
// 'result' is a ResultObject object which has both the module and instance.
|
|
// receiveInstance() will swap in the exports (to Module.asm) so they can be called
|
|
assert(Module === trueModule, "the Module object should not be replaced during async compilation - perhaps the order of HTML elements is wrong?");
|
|
trueModule = null;
|
|
return receiveInstance(result["instance"], result["module"]);
|
|
}
|
|
var info = getWasmImports();
|
|
// User shell pages can write their own Module.instantiateWasm = function(imports, successCallback) callback
|
|
// to manually instantiate the Wasm module themselves. This allows pages to
|
|
// run the instantiation parallel to any other async startup actions they are
|
|
// performing.
|
|
// Also pthreads and wasm workers initialize the wasm instance through this
|
|
// path.
|
|
if (Module["instantiateWasm"]) {
|
|
return new Promise((resolve, reject) => {
|
|
try {
|
|
Module["instantiateWasm"](info, (mod, inst) => {
|
|
receiveInstance(mod, inst);
|
|
resolve(mod.exports);
|
|
});
|
|
} catch (e) {
|
|
err(`Module.instantiateWasm callback failed with error: ${e}`);
|
|
reject(e);
|
|
}
|
|
});
|
|
}
|
|
if (ENVIRONMENT_IS_PTHREAD) {
|
|
return new Promise(resolve => {
|
|
wasmModuleReceived = module => {
|
|
// Instantiate from the module posted from the main thread.
|
|
// We can just use sync instantiation in the worker.
|
|
var instance = new WebAssembly.Instance(module, getWasmImports());
|
|
resolve(receiveInstance(instance, module));
|
|
};
|
|
});
|
|
}
|
|
wasmBinaryFile ??= findWasmBinary();
|
|
try {
|
|
var result = await instantiateAsync(wasmBinary, wasmBinaryFile, info);
|
|
var exports = receiveInstantiationResult(result);
|
|
return exports;
|
|
} catch (e) {
|
|
// If instantiation fails, reject the module ready promise.
|
|
readyPromiseReject(e);
|
|
return Promise.reject(e);
|
|
}
|
|
}
|
|
|
|
// end include: preamble.js
|
|
// Begin JS library code
|
|
class ExitStatus {
|
|
name="ExitStatus";
|
|
constructor(status) {
|
|
this.message = `Program terminated with exit(${status})`;
|
|
this.status = status;
|
|
}
|
|
}
|
|
|
|
var terminateWorker = worker => {
|
|
worker.terminate();
|
|
// terminate() can be asynchronous, so in theory the worker can continue
|
|
// to run for some amount of time after termination. However from our POV
|
|
// the worker now dead and we don't want to hear from it again, so we stub
|
|
// out its message handler here. This avoids having to check in each of
|
|
// the onmessage handlers if the message was coming from valid worker.
|
|
worker.onmessage = e => {
|
|
var cmd = e["data"].cmd;
|
|
err(`received "${cmd}" command from terminated worker: ${worker.workerID}`);
|
|
};
|
|
};
|
|
|
|
var cleanupThread = pthread_ptr => {
|
|
assert(!ENVIRONMENT_IS_PTHREAD, "Internal Error! cleanupThread() can only ever be called from main application thread!");
|
|
assert(pthread_ptr, "Internal Error! Null pthread_ptr in cleanupThread!");
|
|
var worker = PThread.pthreads[pthread_ptr];
|
|
assert(worker);
|
|
PThread.returnWorkerToPool(worker);
|
|
};
|
|
|
|
var callRuntimeCallbacks = callbacks => {
|
|
while (callbacks.length > 0) {
|
|
// Pass the module as the first argument.
|
|
callbacks.shift()(Module);
|
|
}
|
|
};
|
|
|
|
var onPreRuns = [];
|
|
|
|
var addOnPreRun = cb => onPreRuns.unshift(cb);
|
|
|
|
var spawnThread = threadParams => {
|
|
assert(!ENVIRONMENT_IS_PTHREAD, "Internal Error! spawnThread() can only ever be called from main application thread!");
|
|
assert(threadParams.pthread_ptr, "Internal error, no pthread ptr!");
|
|
var worker = PThread.getNewWorker();
|
|
if (!worker) {
|
|
// No available workers in the PThread pool.
|
|
return 6;
|
|
}
|
|
assert(!worker.pthread_ptr, "Internal error!");
|
|
PThread.runningWorkers.push(worker);
|
|
// Add to pthreads map
|
|
PThread.pthreads[threadParams.pthread_ptr] = worker;
|
|
worker.pthread_ptr = threadParams.pthread_ptr;
|
|
var msg = {
|
|
cmd: "run",
|
|
start_routine: threadParams.startRoutine,
|
|
arg: threadParams.arg,
|
|
pthread_ptr: threadParams.pthread_ptr
|
|
};
|
|
// Note that we do not need to quote these names because they are only used
|
|
// in this file, and not from the external worker.js.
|
|
msg.moduleCanvasId = threadParams.moduleCanvasId;
|
|
msg.offscreenCanvases = threadParams.offscreenCanvases;
|
|
// Ask the worker to start executing its pthread entry point function.
|
|
worker.postMessage(msg, threadParams.transferList);
|
|
return 0;
|
|
};
|
|
|
|
var runtimeKeepaliveCounter = 0;
|
|
|
|
var keepRuntimeAlive = () => noExitRuntime || runtimeKeepaliveCounter > 0;
|
|
|
|
var stackSave = () => _emscripten_stack_get_current();
|
|
|
|
var stackRestore = val => __emscripten_stack_restore(val);
|
|
|
|
var stackAlloc = sz => __emscripten_stack_alloc(sz);
|
|
|
|
/** @type{function(number, (number|boolean), ...number)} */ var proxyToMainThread = (funcIndex, emAsmAddr, sync, ...callArgs) => {
|
|
// EM_ASM proxying is done by passing a pointer to the address of the EM_ASM
|
|
// content as `emAsmAddr`. JS library proxying is done by passing an index
|
|
// into `proxiedJSCallArgs` as `funcIndex`. If `emAsmAddr` is non-zero then
|
|
// `funcIndex` will be ignored.
|
|
// Additional arguments are passed after the first three are the actual
|
|
// function arguments.
|
|
// The serialization buffer contains the number of call params, and then
|
|
// all the args here.
|
|
// We also pass 'sync' to C separately, since C needs to look at it.
|
|
// Allocate a buffer, which will be copied by the C code.
|
|
// First passed parameter specifies the number of arguments to the function.
|
|
// When BigInt support is enabled, we must handle types in a more complex
|
|
// way, detecting at runtime if a value is a BigInt or not (as we have no
|
|
// type info here). To do that, add a "prefix" before each value that
|
|
// indicates if it is a BigInt, which effectively doubles the number of
|
|
// values we serialize for proxying. TODO: pack this?
|
|
var serializedNumCallArgs = callArgs.length * 2;
|
|
var sp = stackSave();
|
|
var args = stackAlloc(serializedNumCallArgs * 8);
|
|
var b = ((args) >> 3);
|
|
for (var i = 0; i < callArgs.length; i++) {
|
|
var arg = callArgs[i];
|
|
if (typeof arg == "bigint") {
|
|
// The prefix is non-zero to indicate a bigint.
|
|
HEAP64[b + 2 * i] = 1n;
|
|
HEAP64[b + 2 * i + 1] = arg;
|
|
} else {
|
|
// The prefix is zero to indicate a JS Number.
|
|
HEAP64[b + 2 * i] = 0n;
|
|
GROWABLE_HEAP_F64()[b + 2 * i + 1] = arg;
|
|
}
|
|
}
|
|
var rtn = __emscripten_run_on_main_thread_js(funcIndex, emAsmAddr, serializedNumCallArgs, args, sync);
|
|
stackRestore(sp);
|
|
return rtn;
|
|
};
|
|
|
|
function _proc_exit(code) {
|
|
if (ENVIRONMENT_IS_PTHREAD) return proxyToMainThread(0, 0, 1, code);
|
|
EXITSTATUS = code;
|
|
if (!keepRuntimeAlive()) {
|
|
PThread.terminateAllThreads();
|
|
Module["onExit"]?.(code);
|
|
ABORT = true;
|
|
}
|
|
quit_(code, new ExitStatus(code));
|
|
}
|
|
|
|
var runtimeKeepalivePop = () => {
|
|
assert(runtimeKeepaliveCounter > 0);
|
|
runtimeKeepaliveCounter -= 1;
|
|
};
|
|
|
|
function exitOnMainThread(returnCode) {
|
|
if (ENVIRONMENT_IS_PTHREAD) return proxyToMainThread(1, 0, 0, returnCode);
|
|
runtimeKeepalivePop();
|
|
_exit(returnCode);
|
|
}
|
|
|
|
/** @suppress {duplicate } */ /** @param {boolean|number=} implicit */ var exitJS = (status, implicit) => {
|
|
EXITSTATUS = status;
|
|
checkUnflushedContent();
|
|
if (ENVIRONMENT_IS_PTHREAD) {
|
|
// implicit exit can never happen on a pthread
|
|
assert(!implicit);
|
|
// When running in a pthread we propagate the exit back to the main thread
|
|
// where it can decide if the whole process should be shut down or not.
|
|
// The pthread may have decided not to exit its own runtime, for example
|
|
// because it runs a main loop, but that doesn't affect the main thread.
|
|
exitOnMainThread(status);
|
|
throw "unwind";
|
|
}
|
|
// if exit() was called explicitly, warn the user if the runtime isn't actually being shut down
|
|
if (keepRuntimeAlive() && !implicit) {
|
|
var msg = `program exited (with status: ${status}), but keepRuntimeAlive() is set (counter=${runtimeKeepaliveCounter}) due to an async operation, so halting execution but not exiting the runtime or preventing further async execution (you can use emscripten_force_exit, if you want to force a true shutdown)`;
|
|
readyPromiseReject(msg);
|
|
err(msg);
|
|
}
|
|
_proc_exit(status);
|
|
};
|
|
|
|
var _exit = exitJS;
|
|
|
|
var ptrToString = ptr => {
|
|
assert(typeof ptr === "number");
|
|
// With CAN_ADDRESS_2GB or MEMORY64, pointers are already unsigned.
|
|
ptr >>>= 0;
|
|
return "0x" + ptr.toString(16).padStart(8, "0");
|
|
};
|
|
|
|
var PThread = {
|
|
unusedWorkers: [],
|
|
runningWorkers: [],
|
|
tlsInitFunctions: [],
|
|
pthreads: {},
|
|
nextWorkerID: 1,
|
|
debugInit() {
|
|
function pthreadLogPrefix() {
|
|
var t = 0;
|
|
if (runtimeInitialized && typeof _pthread_self != "undefined") {
|
|
t = _pthread_self();
|
|
}
|
|
return `w:${workerID},t:${ptrToString(t)}: `;
|
|
}
|
|
// Prefix all err()/dbg() messages with the calling thread ID.
|
|
var origDbg = dbg;
|
|
dbg = (...args) => origDbg(pthreadLogPrefix() + args.join(" "));
|
|
},
|
|
init() {
|
|
PThread.debugInit();
|
|
if ((!(ENVIRONMENT_IS_PTHREAD))) {
|
|
PThread.initMainThread();
|
|
}
|
|
},
|
|
initMainThread() {
|
|
// MINIMAL_RUNTIME takes care of calling loadWasmModuleToAllWorkers
|
|
// in postamble_minimal.js
|
|
addOnPreRun(() => {
|
|
addRunDependency("loading-workers");
|
|
PThread.loadWasmModuleToAllWorkers(() => removeRunDependency("loading-workers"));
|
|
});
|
|
},
|
|
terminateAllThreads: () => {
|
|
assert(!ENVIRONMENT_IS_PTHREAD, "Internal Error! terminateAllThreads() can only ever be called from main application thread!");
|
|
// Attempt to kill all workers. Sadly (at least on the web) there is no
|
|
// way to terminate a worker synchronously, or to be notified when a
|
|
// worker in actually terminated. This means there is some risk that
|
|
// pthreads will continue to be executing after `worker.terminate` has
|
|
// returned. For this reason, we don't call `returnWorkerToPool` here or
|
|
// free the underlying pthread data structures.
|
|
for (var worker of PThread.runningWorkers) {
|
|
terminateWorker(worker);
|
|
}
|
|
for (var worker of PThread.unusedWorkers) {
|
|
terminateWorker(worker);
|
|
}
|
|
PThread.unusedWorkers = [];
|
|
PThread.runningWorkers = [];
|
|
PThread.pthreads = {};
|
|
},
|
|
returnWorkerToPool: worker => {
|
|
// We don't want to run main thread queued calls here, since we are doing
|
|
// some operations that leave the worker queue in an invalid state until
|
|
// we are completely done (it would be bad if free() ends up calling a
|
|
// queued pthread_create which looks at the global data structures we are
|
|
// modifying). To achieve that, defer the free() til the very end, when
|
|
// we are all done.
|
|
var pthread_ptr = worker.pthread_ptr;
|
|
delete PThread.pthreads[pthread_ptr];
|
|
// Note: worker is intentionally not terminated so the pool can
|
|
// dynamically grow.
|
|
PThread.unusedWorkers.push(worker);
|
|
PThread.runningWorkers.splice(PThread.runningWorkers.indexOf(worker), 1);
|
|
// Not a running Worker anymore
|
|
// Detach the worker from the pthread object, and return it to the
|
|
// worker pool as an unused worker.
|
|
worker.pthread_ptr = 0;
|
|
// Finally, free the underlying (and now-unused) pthread structure in
|
|
// linear memory.
|
|
__emscripten_thread_free_data(pthread_ptr);
|
|
},
|
|
receiveOffscreenCanvases(data) {
|
|
if (typeof GL != "undefined") {
|
|
Object.assign(GL.offscreenCanvases, data.offscreenCanvases);
|
|
if (!Module["canvas"] && data.moduleCanvasId && GL.offscreenCanvases[data.moduleCanvasId]) {
|
|
Module["canvas"] = GL.offscreenCanvases[data.moduleCanvasId].offscreenCanvas;
|
|
Module["canvas"].id = data.moduleCanvasId;
|
|
}
|
|
}
|
|
},
|
|
threadInitTLS() {
|
|
// Call thread init functions (these are the _emscripten_tls_init for each
|
|
// module loaded.
|
|
PThread.tlsInitFunctions.forEach(f => f());
|
|
},
|
|
loadWasmModuleToWorker: worker => new Promise(onFinishedLoading => {
|
|
worker.onmessage = e => {
|
|
var d = e["data"];
|
|
var cmd = d.cmd;
|
|
// If this message is intended to a recipient that is not the main
|
|
// thread, forward it to the target thread.
|
|
if (d.targetThread && d.targetThread != _pthread_self()) {
|
|
var targetWorker = PThread.pthreads[d.targetThread];
|
|
if (targetWorker) {
|
|
targetWorker.postMessage(d, d.transferList);
|
|
} else {
|
|
err(`Internal error! Worker sent a message "${cmd}" to target pthread ${d.targetThread}, but that thread no longer exists!`);
|
|
}
|
|
return;
|
|
}
|
|
if (cmd === "checkMailbox") {
|
|
checkMailbox();
|
|
} else if (cmd === "spawnThread") {
|
|
spawnThread(d);
|
|
} else if (cmd === "cleanupThread") {
|
|
cleanupThread(d.thread);
|
|
} else if (cmd === "loaded") {
|
|
worker.loaded = true;
|
|
onFinishedLoading(worker);
|
|
} else if (d.target === "setimmediate") {
|
|
// Worker wants to postMessage() to itself to implement setImmediate()
|
|
// emulation.
|
|
worker.postMessage(d);
|
|
} else if (cmd === "callHandler") {
|
|
Module[d.handler](...d.args);
|
|
} else if (cmd) {
|
|
// The received message looks like something that should be handled by this message
|
|
// handler, (since there is a e.data.cmd field present), but is not one of the
|
|
// recognized commands:
|
|
err(`worker sent an unknown command ${cmd}`);
|
|
}
|
|
};
|
|
worker.onerror = e => {
|
|
var message = "worker sent an error!";
|
|
if (worker.pthread_ptr) {
|
|
message = `Pthread ${ptrToString(worker.pthread_ptr)} sent an error!`;
|
|
}
|
|
err(`${message} ${e.filename}:${e.lineno}: ${e.message}`);
|
|
throw e;
|
|
};
|
|
assert(wasmMemory instanceof WebAssembly.Memory, "WebAssembly memory should have been loaded by now!");
|
|
assert(wasmModule instanceof WebAssembly.Module, "WebAssembly Module should have been loaded by now!");
|
|
// When running on a pthread, none of the incoming parameters on the module
|
|
// object are present. Proxy known handlers back to the main thread if specified.
|
|
var handlers = [];
|
|
var knownHandlers = [ "onExit", "onAbort", "print", "printErr" ];
|
|
for (var handler of knownHandlers) {
|
|
if (Module.propertyIsEnumerable(handler)) {
|
|
handlers.push(handler);
|
|
}
|
|
}
|
|
// Ask the new worker to load up the Emscripten-compiled page. This is a heavy operation.
|
|
worker.postMessage({
|
|
cmd: "load",
|
|
handlers,
|
|
wasmMemory,
|
|
wasmModule,
|
|
"workerID": worker.workerID
|
|
});
|
|
}),
|
|
loadWasmModuleToAllWorkers(onMaybeReady) {
|
|
onMaybeReady();
|
|
},
|
|
allocateUnusedWorker() {
|
|
var worker;
|
|
var pthreadMainJs = _scriptName;
|
|
// We can't use makeModuleReceiveWithVar here since we want to also
|
|
// call URL.createObjectURL on the mainScriptUrlOrBlob.
|
|
if (Module["mainScriptUrlOrBlob"]) {
|
|
pthreadMainJs = Module["mainScriptUrlOrBlob"];
|
|
if (typeof pthreadMainJs != "string") {
|
|
pthreadMainJs = URL.createObjectURL(pthreadMainJs);
|
|
}
|
|
}
|
|
worker = new Worker(pthreadMainJs, {
|
|
// This is the way that we signal to the Web Worker that it is hosting
|
|
// a pthread.
|
|
"name": "em-pthread-" + PThread.nextWorkerID
|
|
});
|
|
worker.workerID = PThread.nextWorkerID++;
|
|
PThread.unusedWorkers.push(worker);
|
|
},
|
|
getNewWorker() {
|
|
if (PThread.unusedWorkers.length == 0) {
|
|
// PTHREAD_POOL_SIZE_STRICT should show a warning and, if set to level `2`, return from the function.
|
|
PThread.allocateUnusedWorker();
|
|
PThread.loadWasmModuleToWorker(PThread.unusedWorkers[0]);
|
|
}
|
|
return PThread.unusedWorkers.pop();
|
|
}
|
|
};
|
|
|
|
var onPostRuns = [];
|
|
|
|
var addOnPostRun = cb => onPostRuns.unshift(cb);
|
|
|
|
var establishStackSpace = pthread_ptr => {
|
|
// If memory growth is enabled, the memory views may have gotten out of date,
|
|
// so resync them before accessing the pthread ptr below.
|
|
updateMemoryViews();
|
|
var stackHigh = GROWABLE_HEAP_U32()[(((pthread_ptr) + (52)) >> 2)];
|
|
var stackSize = GROWABLE_HEAP_U32()[(((pthread_ptr) + (56)) >> 2)];
|
|
var stackLow = stackHigh - stackSize;
|
|
assert(stackHigh != 0);
|
|
assert(stackLow != 0);
|
|
assert(stackHigh > stackLow, "stackHigh must be higher then stackLow");
|
|
// Set stack limits used by `emscripten/stack.h` function. These limits are
|
|
// cached in wasm-side globals to make checks as fast as possible.
|
|
_emscripten_stack_set_limits(stackHigh, stackLow);
|
|
setStackLimits();
|
|
// Call inside wasm module to set up the stack frame for this pthread in wasm module scope
|
|
stackRestore(stackHigh);
|
|
// Write the stack cookie last, after we have set up the proper bounds and
|
|
// current position of the stack.
|
|
writeStackCookie();
|
|
};
|
|
|
|
/**
|
|
* @param {number} ptr
|
|
* @param {string} type
|
|
*/ function getValue(ptr, type = "i8") {
|
|
if (type.endsWith("*")) type = "*";
|
|
switch (type) {
|
|
case "i1":
|
|
return GROWABLE_HEAP_I8()[ptr];
|
|
|
|
case "i8":
|
|
return GROWABLE_HEAP_I8()[ptr];
|
|
|
|
case "i16":
|
|
return GROWABLE_HEAP_I16()[((ptr) >> 1)];
|
|
|
|
case "i32":
|
|
return GROWABLE_HEAP_I32()[((ptr) >> 2)];
|
|
|
|
case "i64":
|
|
return HEAP64[((ptr) >> 3)];
|
|
|
|
case "float":
|
|
return GROWABLE_HEAP_F32()[((ptr) >> 2)];
|
|
|
|
case "double":
|
|
return GROWABLE_HEAP_F64()[((ptr) >> 3)];
|
|
|
|
case "*":
|
|
return GROWABLE_HEAP_U32()[((ptr) >> 2)];
|
|
|
|
default:
|
|
abort(`invalid type for getValue: ${type}`);
|
|
}
|
|
}
|
|
|
|
var invokeEntryPoint = (ptr, arg) => {
|
|
// An old thread on this worker may have been canceled without returning the
|
|
// `runtimeKeepaliveCounter` to zero. Reset it now so the new thread won't
|
|
// be affected.
|
|
runtimeKeepaliveCounter = 0;
|
|
// Same for noExitRuntime. The default for pthreads should always be false
|
|
// otherwise pthreads would never complete and attempts to pthread_join to
|
|
// them would block forever.
|
|
// pthreads can still choose to set `noExitRuntime` explicitly, or
|
|
// call emscripten_unwind_to_js_event_loop to extend their lifetime beyond
|
|
// their main function. See comment in src/runtime_pthread.js for more.
|
|
noExitRuntime = 0;
|
|
// pthread entry points are always of signature 'void *ThreadMain(void *arg)'
|
|
// Native codebases sometimes spawn threads with other thread entry point
|
|
// signatures, such as void ThreadMain(void *arg), void *ThreadMain(), or
|
|
// void ThreadMain(). That is not acceptable per C/C++ specification, but
|
|
// x86 compiler ABI extensions enable that to work. If you find the
|
|
// following line to crash, either change the signature to "proper" void
|
|
// *ThreadMain(void *arg) form, or try linking with the Emscripten linker
|
|
// flag -sEMULATE_FUNCTION_POINTER_CASTS to add in emulation for this x86
|
|
// ABI extension.
|
|
var result = (a1 => dynCall_ii(ptr, a1))(arg);
|
|
checkStackCookie();
|
|
function finish(result) {
|
|
if (keepRuntimeAlive()) {
|
|
EXITSTATUS = result;
|
|
} else {
|
|
__emscripten_thread_exit(result);
|
|
}
|
|
}
|
|
finish(result);
|
|
};
|
|
|
|
var noExitRuntime = Module["noExitRuntime"] || true;
|
|
|
|
var registerTLSInit = tlsInitFunc => PThread.tlsInitFunctions.push(tlsInitFunc);
|
|
|
|
var runtimeKeepalivePush = () => {
|
|
runtimeKeepaliveCounter += 1;
|
|
};
|
|
|
|
var setStackLimits = () => {
|
|
var stackLow = _emscripten_stack_get_base();
|
|
var stackHigh = _emscripten_stack_get_end();
|
|
___set_stack_limits(stackLow, stackHigh);
|
|
};
|
|
|
|
/**
|
|
* @param {number} ptr
|
|
* @param {number} value
|
|
* @param {string} type
|
|
*/ function setValue(ptr, value, type = "i8") {
|
|
if (type.endsWith("*")) type = "*";
|
|
switch (type) {
|
|
case "i1":
|
|
GROWABLE_HEAP_I8()[ptr] = value;
|
|
break;
|
|
|
|
case "i8":
|
|
GROWABLE_HEAP_I8()[ptr] = value;
|
|
break;
|
|
|
|
case "i16":
|
|
GROWABLE_HEAP_I16()[((ptr) >> 1)] = value;
|
|
break;
|
|
|
|
case "i32":
|
|
GROWABLE_HEAP_I32()[((ptr) >> 2)] = value;
|
|
break;
|
|
|
|
case "i64":
|
|
HEAP64[((ptr) >> 3)] = BigInt(value);
|
|
break;
|
|
|
|
case "float":
|
|
GROWABLE_HEAP_F32()[((ptr) >> 2)] = value;
|
|
break;
|
|
|
|
case "double":
|
|
GROWABLE_HEAP_F64()[((ptr) >> 3)] = value;
|
|
break;
|
|
|
|
case "*":
|
|
GROWABLE_HEAP_U32()[((ptr) >> 2)] = value;
|
|
break;
|
|
|
|
default:
|
|
abort(`invalid type for setValue: ${type}`);
|
|
}
|
|
}
|
|
|
|
var warnOnce = text => {
|
|
warnOnce.shown ||= {};
|
|
if (!warnOnce.shown[text]) {
|
|
warnOnce.shown[text] = 1;
|
|
err(text);
|
|
}
|
|
};
|
|
|
|
var UTF8Decoder = typeof TextDecoder != "undefined" ? new TextDecoder : undefined;
|
|
|
|
/**
|
|
* Given a pointer 'idx' to a null-terminated UTF8-encoded string in the given
|
|
* array that contains uint8 values, returns a copy of that string as a
|
|
* Javascript String object.
|
|
* heapOrArray is either a regular array, or a JavaScript typed array view.
|
|
* @param {number=} idx
|
|
* @param {number=} maxBytesToRead
|
|
* @return {string}
|
|
*/ var UTF8ArrayToString = (heapOrArray, idx = 0, maxBytesToRead = NaN) => {
|
|
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/NaN means Infinity)
|
|
while (heapOrArray[endPtr] && !(endPtr >= endIdx)) ++endPtr;
|
|
if (endPtr - idx > 16 && heapOrArray.buffer && UTF8Decoder) {
|
|
return UTF8Decoder.decode(heapOrArray.buffer instanceof ArrayBuffer ? heapOrArray.subarray(idx, endPtr) : heapOrArray.slice(idx, endPtr));
|
|
}
|
|
var str = "";
|
|
// If building with TextDecoder, we have already computed the string length
|
|
// above, so test loop end condition against that
|
|
while (idx < endPtr) {
|
|
// For UTF8 byte structure, see:
|
|
// http://en.wikipedia.org/wiki/UTF-8#Description
|
|
// https://www.ietf.org/rfc/rfc2279.txt
|
|
// https://tools.ietf.org/html/rfc3629
|
|
var u0 = heapOrArray[idx++];
|
|
if (!(u0 & 128)) {
|
|
str += String.fromCharCode(u0);
|
|
continue;
|
|
}
|
|
var u1 = heapOrArray[idx++] & 63;
|
|
if ((u0 & 224) == 192) {
|
|
str += String.fromCharCode(((u0 & 31) << 6) | u1);
|
|
continue;
|
|
}
|
|
var u2 = heapOrArray[idx++] & 63;
|
|
if ((u0 & 240) == 224) {
|
|
u0 = ((u0 & 15) << 12) | (u1 << 6) | u2;
|
|
} else {
|
|
if ((u0 & 248) != 240) warnOnce("Invalid UTF-8 leading byte " + ptrToString(u0) + " encountered when deserializing a UTF-8 string in wasm memory to a JS string!");
|
|
u0 = ((u0 & 7) << 18) | (u1 << 12) | (u2 << 6) | (heapOrArray[idx++] & 63);
|
|
}
|
|
if (u0 < 65536) {
|
|
str += String.fromCharCode(u0);
|
|
} else {
|
|
var ch = u0 - 65536;
|
|
str += String.fromCharCode(55296 | (ch >> 10), 56320 | (ch & 1023));
|
|
}
|
|
}
|
|
return str;
|
|
};
|
|
|
|
/**
|
|
* Given a pointer 'ptr' to a null-terminated UTF8-encoded string in the
|
|
* emscripten HEAP, returns a copy of that string as a Javascript String object.
|
|
*
|
|
* @param {number} ptr
|
|
* @param {number=} maxBytesToRead - An optional length that specifies the
|
|
* maximum number of bytes to read. You can omit this parameter to scan the
|
|
* string until the first 0 byte. If maxBytesToRead is passed, and the string
|
|
* at [ptr, ptr+maxBytesToReadr[ contains a null byte in the middle, then the
|
|
* string will cut short at that byte index (i.e. maxBytesToRead will not
|
|
* produce a string of exact length [ptr, ptr+maxBytesToRead[) N.B. mixing
|
|
* frequent uses of UTF8ToString() with and without maxBytesToRead may throw
|
|
* JS JIT optimizations off, so it is worth to consider consistently using one
|
|
* @return {string}
|
|
*/ var UTF8ToString = (ptr, maxBytesToRead) => {
|
|
assert(typeof ptr == "number", `UTF8ToString expects a number (got ${typeof ptr})`);
|
|
return ptr ? UTF8ArrayToString(GROWABLE_HEAP_U8(), ptr, maxBytesToRead) : "";
|
|
};
|
|
|
|
var ___assert_fail = (condition, filename, line, func) => abort(`Assertion failed: ${UTF8ToString(condition)}, at: ` + [ filename ? UTF8ToString(filename) : "unknown filename", line, func ? UTF8ToString(func) : "unknown function" ]);
|
|
|
|
class ExceptionInfo {
|
|
// excPtr - Thrown object pointer to wrap. Metadata pointer is calculated from it.
|
|
constructor(excPtr) {
|
|
this.excPtr = excPtr;
|
|
this.ptr = excPtr - 24;
|
|
}
|
|
set_type(type) {
|
|
GROWABLE_HEAP_U32()[(((this.ptr) + (4)) >> 2)] = type;
|
|
}
|
|
get_type() {
|
|
return GROWABLE_HEAP_U32()[(((this.ptr) + (4)) >> 2)];
|
|
}
|
|
set_destructor(destructor) {
|
|
GROWABLE_HEAP_U32()[(((this.ptr) + (8)) >> 2)] = destructor;
|
|
}
|
|
get_destructor() {
|
|
return GROWABLE_HEAP_U32()[(((this.ptr) + (8)) >> 2)];
|
|
}
|
|
set_caught(caught) {
|
|
caught = caught ? 1 : 0;
|
|
GROWABLE_HEAP_I8()[(this.ptr) + (12)] = caught;
|
|
}
|
|
get_caught() {
|
|
return GROWABLE_HEAP_I8()[(this.ptr) + (12)] != 0;
|
|
}
|
|
set_rethrown(rethrown) {
|
|
rethrown = rethrown ? 1 : 0;
|
|
GROWABLE_HEAP_I8()[(this.ptr) + (13)] = rethrown;
|
|
}
|
|
get_rethrown() {
|
|
return GROWABLE_HEAP_I8()[(this.ptr) + (13)] != 0;
|
|
}
|
|
// Initialize native structure fields. Should be called once after allocated.
|
|
init(type, destructor) {
|
|
this.set_adjusted_ptr(0);
|
|
this.set_type(type);
|
|
this.set_destructor(destructor);
|
|
}
|
|
set_adjusted_ptr(adjustedPtr) {
|
|
GROWABLE_HEAP_U32()[(((this.ptr) + (16)) >> 2)] = adjustedPtr;
|
|
}
|
|
get_adjusted_ptr() {
|
|
return GROWABLE_HEAP_U32()[(((this.ptr) + (16)) >> 2)];
|
|
}
|
|
}
|
|
|
|
var exceptionLast = 0;
|
|
|
|
var uncaughtExceptionCount = 0;
|
|
|
|
var ___cxa_throw = (ptr, type, destructor) => {
|
|
var info = new ExceptionInfo(ptr);
|
|
// Initialize ExceptionInfo content after it was allocated in __cxa_allocate_exception.
|
|
info.init(type, destructor);
|
|
exceptionLast = ptr;
|
|
uncaughtExceptionCount++;
|
|
assert(false, "Exception thrown, but exception catching is not enabled. Compile with -sNO_DISABLE_EXCEPTION_CATCHING or -sEXCEPTION_CATCHING_ALLOWED=[..] to catch.");
|
|
};
|
|
|
|
var ___handle_stack_overflow = requested => {
|
|
var base = _emscripten_stack_get_base();
|
|
var end = _emscripten_stack_get_end();
|
|
abort(`stack overflow (Attempt to set SP to ${ptrToString(requested)}` + `, with stack limits [${ptrToString(end)} - ${ptrToString(base)}` + "]). If you require more stack space build with -sSTACK_SIZE=<bytes>");
|
|
};
|
|
|
|
function pthreadCreateProxied(pthread_ptr, attr, startRoutine, arg) {
|
|
if (ENVIRONMENT_IS_PTHREAD) return proxyToMainThread(2, 0, 1, pthread_ptr, attr, startRoutine, arg);
|
|
return ___pthread_create_js(pthread_ptr, attr, startRoutine, arg);
|
|
}
|
|
|
|
var _emscripten_has_threading_support = () => typeof SharedArrayBuffer != "undefined";
|
|
|
|
var ___pthread_create_js = (pthread_ptr, attr, startRoutine, arg) => {
|
|
if (!_emscripten_has_threading_support()) {
|
|
dbg("pthread_create: environment does not support SharedArrayBuffer, pthreads are not available");
|
|
return 6;
|
|
}
|
|
// List of JS objects that will transfer ownership to the Worker hosting the thread
|
|
var transferList = [];
|
|
var error = 0;
|
|
// Deduce which WebGL canvases (HTMLCanvasElements or OffscreenCanvases) should be passed over to the
|
|
// Worker that hosts the spawned pthread.
|
|
// Comma-delimited list of CSS selectors that must identify canvases by IDs: "#canvas1, #canvas2, ..."
|
|
var transferredCanvasNames = attr ? GROWABLE_HEAP_U32()[(((attr) + (40)) >> 2)] : 0;
|
|
// Proxied canvases string pointer -1/MAX_PTR is used as a special token to
|
|
// fetch whatever canvases were passed to build in
|
|
// -sOFFSCREENCANVASES_TO_PTHREAD= command line.
|
|
if (transferredCanvasNames == 4294967295) {
|
|
transferredCanvasNames = "#canvas";
|
|
} else {
|
|
transferredCanvasNames = UTF8ToString(transferredCanvasNames).trim();
|
|
}
|
|
transferredCanvasNames = transferredCanvasNames ? transferredCanvasNames.split(",") : [];
|
|
var offscreenCanvases = {};
|
|
// Dictionary of OffscreenCanvas objects we'll transfer to the created thread to own
|
|
var moduleCanvasId = Module["canvas"]?.id || "";
|
|
// Note that transferredCanvasNames might be null (so we cannot do a for-of loop).
|
|
for (var name of transferredCanvasNames) {
|
|
name = name.trim();
|
|
var offscreenCanvasInfo;
|
|
try {
|
|
if (name == "#canvas") {
|
|
if (!Module["canvas"]) {
|
|
err(`pthread_create: could not find canvas with ID "${name}" to transfer to thread!`);
|
|
error = 28;
|
|
break;
|
|
}
|
|
name = Module["canvas"].id;
|
|
}
|
|
assert(typeof GL == "object", "OFFSCREENCANVAS_SUPPORT assumes GL is in use (you can force-include it with '-sDEFAULT_LIBRARY_FUNCS_TO_INCLUDE=$GL')");
|
|
if (GL.offscreenCanvases[name]) {
|
|
offscreenCanvasInfo = GL.offscreenCanvases[name];
|
|
GL.offscreenCanvases[name] = null;
|
|
// This thread no longer owns this canvas.
|
|
if (Module["canvas"] instanceof OffscreenCanvas && name === Module["canvas"].id) Module["canvas"] = null;
|
|
} else if (!ENVIRONMENT_IS_PTHREAD) {
|
|
var canvas = (Module["canvas"] && Module["canvas"].id === name) ? Module["canvas"] : document.querySelector(name);
|
|
if (!canvas) {
|
|
err(`pthread_create: could not find canvas with ID "${name}" to transfer to thread!`);
|
|
error = 28;
|
|
break;
|
|
}
|
|
if (canvas.controlTransferredOffscreen) {
|
|
err(`pthread_create: cannot transfer canvas with ID "${name}" to thread, since the current thread does not have control over it!`);
|
|
error = 63;
|
|
// Operation not permitted, some other thread is accessing the canvas.
|
|
break;
|
|
}
|
|
if (canvas.transferControlToOffscreen) {
|
|
// Create a shared information block in heap so that we can control
|
|
// the canvas size from any thread.
|
|
if (!canvas.canvasSharedPtr) {
|
|
canvas.canvasSharedPtr = _malloc(12);
|
|
GROWABLE_HEAP_I32()[((canvas.canvasSharedPtr) >> 2)] = canvas.width;
|
|
GROWABLE_HEAP_I32()[(((canvas.canvasSharedPtr) + (4)) >> 2)] = canvas.height;
|
|
GROWABLE_HEAP_U32()[(((canvas.canvasSharedPtr) + (8)) >> 2)] = 0;
|
|
}
|
|
offscreenCanvasInfo = {
|
|
offscreenCanvas: canvas.transferControlToOffscreen(),
|
|
canvasSharedPtr: canvas.canvasSharedPtr,
|
|
id: canvas.id
|
|
};
|
|
// After calling canvas.transferControlToOffscreen(), it is no
|
|
// longer possible to access certain operations on the canvas, such
|
|
// as resizing it or obtaining GL contexts via it.
|
|
// Use this field to remember that we have permanently converted
|
|
// this Canvas to be controlled via an OffscreenCanvas (there is no
|
|
// way to undo this in the spec)
|
|
canvas.controlTransferredOffscreen = true;
|
|
} else {
|
|
err(`pthread_create: cannot transfer control of canvas "${name}" to pthread, because current browser does not support OffscreenCanvas!`);
|
|
// If building with OFFSCREEN_FRAMEBUFFER=1 mode, we don't need to
|
|
// be able to transfer control to offscreen, but WebGL can be
|
|
// proxied from worker to main thread.
|
|
err("pthread_create: Build with -sOFFSCREEN_FRAMEBUFFER to enable fallback proxying of GL commands from pthread to main thread.");
|
|
return 52;
|
|
}
|
|
}
|
|
if (offscreenCanvasInfo) {
|
|
transferList.push(offscreenCanvasInfo.offscreenCanvas);
|
|
offscreenCanvases[offscreenCanvasInfo.id] = offscreenCanvasInfo;
|
|
}
|
|
} catch (e) {
|
|
err(`pthread_create: failed to transfer control of canvas "${name}" to OffscreenCanvas! Error: ${e}`);
|
|
return 28;
|
|
}
|
|
}
|
|
// Synchronously proxy the thread creation to main thread if possible. If we
|
|
// need to transfer ownership of objects, then proxy asynchronously via
|
|
// postMessage.
|
|
if (ENVIRONMENT_IS_PTHREAD && (transferList.length === 0 || error)) {
|
|
return pthreadCreateProxied(pthread_ptr, attr, startRoutine, arg);
|
|
}
|
|
// If on the main thread, and accessing Canvas/OffscreenCanvas failed, abort
|
|
// with the detected error.
|
|
if (error) return error;
|
|
// Register for each of the transferred canvases that the new thread now
|
|
// owns the OffscreenCanvas.
|
|
for (var canvas of Object.values(offscreenCanvases)) {
|
|
// pthread ptr to the thread that owns this canvas.
|
|
GROWABLE_HEAP_U32()[(((canvas.canvasSharedPtr) + (8)) >> 2)] = pthread_ptr;
|
|
}
|
|
var threadParams = {
|
|
startRoutine,
|
|
pthread_ptr,
|
|
arg,
|
|
moduleCanvasId,
|
|
offscreenCanvases,
|
|
transferList
|
|
};
|
|
if (ENVIRONMENT_IS_PTHREAD) {
|
|
// The prepopulated pool of web workers that can host pthreads is stored
|
|
// in the main JS thread. Therefore if a pthread is attempting to spawn a
|
|
// new thread, the thread creation must be deferred to the main JS thread.
|
|
threadParams.cmd = "spawnThread";
|
|
postMessage(threadParams, transferList);
|
|
// When we defer thread creation this way, we have no way to detect thread
|
|
// creation synchronously today, so we have to assume success and return 0.
|
|
return 0;
|
|
}
|
|
// We are the main thread, so we have the pthread warmup pool in this
|
|
// thread and can fire off JS thread creation directly ourselves.
|
|
return spawnThread(threadParams);
|
|
};
|
|
|
|
/** @suppress {duplicate } */ var syscallGetVarargI = () => {
|
|
assert(SYSCALLS.varargs != undefined);
|
|
// the `+` prepended here is necessary to convince the JSCompiler that varargs is indeed a number.
|
|
var ret = GROWABLE_HEAP_I32()[((+SYSCALLS.varargs) >> 2)];
|
|
SYSCALLS.varargs += 4;
|
|
return ret;
|
|
};
|
|
|
|
var syscallGetVarargP = syscallGetVarargI;
|
|
|
|
var PATH = {
|
|
isAbs: path => path.charAt(0) === "/",
|
|
splitPath: filename => {
|
|
var splitPathRe = /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;
|
|
return splitPathRe.exec(filename).slice(1);
|
|
},
|
|
normalizeArray: (parts, allowAboveRoot) => {
|
|
// if the path tries to go above the root, `up` ends up > 0
|
|
var up = 0;
|
|
for (var i = parts.length - 1; i >= 0; i--) {
|
|
var last = parts[i];
|
|
if (last === ".") {
|
|
parts.splice(i, 1);
|
|
} else if (last === "..") {
|
|
parts.splice(i, 1);
|
|
up++;
|
|
} else if (up) {
|
|
parts.splice(i, 1);
|
|
up--;
|
|
}
|
|
}
|
|
// if the path is allowed to go above the root, restore leading ..s
|
|
if (allowAboveRoot) {
|
|
for (;up; up--) {
|
|
parts.unshift("..");
|
|
}
|
|
}
|
|
return parts;
|
|
},
|
|
normalize: path => {
|
|
var isAbsolute = PATH.isAbs(path), trailingSlash = path.slice(-1) === "/";
|
|
// Normalize the path
|
|
path = PATH.normalizeArray(path.split("/").filter(p => !!p), !isAbsolute).join("/");
|
|
if (!path && !isAbsolute) {
|
|
path = ".";
|
|
}
|
|
if (path && trailingSlash) {
|
|
path += "/";
|
|
}
|
|
return (isAbsolute ? "/" : "") + path;
|
|
},
|
|
dirname: path => {
|
|
var result = PATH.splitPath(path), root = result[0], dir = result[1];
|
|
if (!root && !dir) {
|
|
// No dirname whatsoever
|
|
return ".";
|
|
}
|
|
if (dir) {
|
|
// It has a dirname, strip trailing slash
|
|
dir = dir.slice(0, -1);
|
|
}
|
|
return root + dir;
|
|
},
|
|
basename: path => path && path.match(/([^\/]+|\/)\/*$/)[1],
|
|
join: (...paths) => PATH.normalize(paths.join("/")),
|
|
join2: (l, r) => PATH.normalize(l + "/" + r)
|
|
};
|
|
|
|
var initRandomFill = () => view => view.set(crypto.getRandomValues(new Uint8Array(view.byteLength)));
|
|
|
|
var randomFill = view => {
|
|
// Lazily init on the first invocation.
|
|
(randomFill = initRandomFill())(view);
|
|
};
|
|
|
|
var PATH_FS = {
|
|
resolve: (...args) => {
|
|
var resolvedPath = "", resolvedAbsolute = false;
|
|
for (var i = args.length - 1; i >= -1 && !resolvedAbsolute; i--) {
|
|
var path = (i >= 0) ? args[i] : FS.cwd();
|
|
// Skip empty and invalid entries
|
|
if (typeof path != "string") {
|
|
throw new TypeError("Arguments to path.resolve must be strings");
|
|
} else if (!path) {
|
|
return "";
|
|
}
|
|
resolvedPath = path + "/" + resolvedPath;
|
|
resolvedAbsolute = PATH.isAbs(path);
|
|
}
|
|
// At this point the path should be resolved to a full absolute path, but
|
|
// handle relative paths to be safe (might happen when process.cwd() fails)
|
|
resolvedPath = PATH.normalizeArray(resolvedPath.split("/").filter(p => !!p), !resolvedAbsolute).join("/");
|
|
return ((resolvedAbsolute ? "/" : "") + resolvedPath) || ".";
|
|
},
|
|
relative: (from, to) => {
|
|
from = PATH_FS.resolve(from).slice(1);
|
|
to = PATH_FS.resolve(to).slice(1);
|
|
function trim(arr) {
|
|
var start = 0;
|
|
for (;start < arr.length; start++) {
|
|
if (arr[start] !== "") break;
|
|
}
|
|
var end = arr.length - 1;
|
|
for (;end >= 0; end--) {
|
|
if (arr[end] !== "") break;
|
|
}
|
|
if (start > end) return [];
|
|
return arr.slice(start, end - start + 1);
|
|
}
|
|
var fromParts = trim(from.split("/"));
|
|
var toParts = trim(to.split("/"));
|
|
var length = Math.min(fromParts.length, toParts.length);
|
|
var samePartsLength = length;
|
|
for (var i = 0; i < length; i++) {
|
|
if (fromParts[i] !== toParts[i]) {
|
|
samePartsLength = i;
|
|
break;
|
|
}
|
|
}
|
|
var outputParts = [];
|
|
for (var i = samePartsLength; i < fromParts.length; i++) {
|
|
outputParts.push("..");
|
|
}
|
|
outputParts = outputParts.concat(toParts.slice(samePartsLength));
|
|
return outputParts.join("/");
|
|
}
|
|
};
|
|
|
|
var FS_stdin_getChar_buffer = [];
|
|
|
|
var lengthBytesUTF8 = str => {
|
|
var len = 0;
|
|
for (var i = 0; i < str.length; ++i) {
|
|
// Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code
|
|
// unit, not a Unicode code point of the character! So decode
|
|
// UTF16->UTF32->UTF8.
|
|
// See http://unicode.org/faq/utf_bom.html#utf16-3
|
|
var c = str.charCodeAt(i);
|
|
// possibly a lead surrogate
|
|
if (c <= 127) {
|
|
len++;
|
|
} else if (c <= 2047) {
|
|
len += 2;
|
|
} else if (c >= 55296 && c <= 57343) {
|
|
len += 4;
|
|
++i;
|
|
} else {
|
|
len += 3;
|
|
}
|
|
}
|
|
return len;
|
|
};
|
|
|
|
var stringToUTF8Array = (str, heap, outIdx, maxBytesToWrite) => {
|
|
assert(typeof str === "string", `stringToUTF8Array expects a string (got ${typeof str})`);
|
|
// Parameter maxBytesToWrite is not optional. Negative values, 0, null,
|
|
// undefined and false each don't write out any bytes.
|
|
if (!(maxBytesToWrite > 0)) return 0;
|
|
var startIdx = outIdx;
|
|
var endIdx = outIdx + maxBytesToWrite - 1;
|
|
// -1 for string null terminator.
|
|
for (var i = 0; i < str.length; ++i) {
|
|
// Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code
|
|
// unit, not a Unicode code point of the character! So decode
|
|
// UTF16->UTF32->UTF8.
|
|
// See http://unicode.org/faq/utf_bom.html#utf16-3
|
|
// For UTF8 byte structure, see http://en.wikipedia.org/wiki/UTF-8#Description
|
|
// and https://www.ietf.org/rfc/rfc2279.txt
|
|
// and https://tools.ietf.org/html/rfc3629
|
|
var u = str.charCodeAt(i);
|
|
// possibly a lead surrogate
|
|
if (u >= 55296 && u <= 57343) {
|
|
var u1 = str.charCodeAt(++i);
|
|
u = 65536 + ((u & 1023) << 10) | (u1 & 1023);
|
|
}
|
|
if (u <= 127) {
|
|
if (outIdx >= endIdx) break;
|
|
heap[outIdx++] = u;
|
|
} else if (u <= 2047) {
|
|
if (outIdx + 1 >= endIdx) break;
|
|
heap[outIdx++] = 192 | (u >> 6);
|
|
heap[outIdx++] = 128 | (u & 63);
|
|
} else if (u <= 65535) {
|
|
if (outIdx + 2 >= endIdx) break;
|
|
heap[outIdx++] = 224 | (u >> 12);
|
|
heap[outIdx++] = 128 | ((u >> 6) & 63);
|
|
heap[outIdx++] = 128 | (u & 63);
|
|
} else {
|
|
if (outIdx + 3 >= endIdx) break;
|
|
if (u > 1114111) warnOnce("Invalid Unicode code point " + ptrToString(u) + " encountered when serializing a JS string to a UTF-8 string in wasm memory! (Valid unicode code points should be in range 0-0x10FFFF).");
|
|
heap[outIdx++] = 240 | (u >> 18);
|
|
heap[outIdx++] = 128 | ((u >> 12) & 63);
|
|
heap[outIdx++] = 128 | ((u >> 6) & 63);
|
|
heap[outIdx++] = 128 | (u & 63);
|
|
}
|
|
}
|
|
// Null-terminate the pointer to the buffer.
|
|
heap[outIdx] = 0;
|
|
return outIdx - startIdx;
|
|
};
|
|
|
|
/** @type {function(string, boolean=, number=)} */ var intArrayFromString = (stringy, dontAddNull, length) => {
|
|
var len = length > 0 ? length : lengthBytesUTF8(stringy) + 1;
|
|
var u8array = new Array(len);
|
|
var numBytesWritten = stringToUTF8Array(stringy, u8array, 0, u8array.length);
|
|
if (dontAddNull) u8array.length = numBytesWritten;
|
|
return u8array;
|
|
};
|
|
|
|
var FS_stdin_getChar = () => {
|
|
if (!FS_stdin_getChar_buffer.length) {
|
|
var result = null;
|
|
if (typeof window != "undefined" && typeof window.prompt == "function") {
|
|
// Browser.
|
|
result = window.prompt("Input: ");
|
|
// returns null on cancel
|
|
if (result !== null) {
|
|
result += "\n";
|
|
}
|
|
} else {}
|
|
if (!result) {
|
|
return null;
|
|
}
|
|
FS_stdin_getChar_buffer = intArrayFromString(result, true);
|
|
}
|
|
return FS_stdin_getChar_buffer.shift();
|
|
};
|
|
|
|
var TTY = {
|
|
ttys: [],
|
|
init() {},
|
|
shutdown() {},
|
|
register(dev, ops) {
|
|
TTY.ttys[dev] = {
|
|
input: [],
|
|
output: [],
|
|
ops
|
|
};
|
|
FS.registerDevice(dev, TTY.stream_ops);
|
|
},
|
|
stream_ops: {
|
|
open(stream) {
|
|
var tty = TTY.ttys[stream.node.rdev];
|
|
if (!tty) {
|
|
throw new FS.ErrnoError(43);
|
|
}
|
|
stream.tty = tty;
|
|
stream.seekable = false;
|
|
},
|
|
close(stream) {
|
|
// flush any pending line data
|
|
stream.tty.ops.fsync(stream.tty);
|
|
},
|
|
fsync(stream) {
|
|
stream.tty.ops.fsync(stream.tty);
|
|
},
|
|
read(stream, buffer, offset, length, pos) {
|
|
if (!stream.tty || !stream.tty.ops.get_char) {
|
|
throw new FS.ErrnoError(60);
|
|
}
|
|
var bytesRead = 0;
|
|
for (var i = 0; i < length; i++) {
|
|
var result;
|
|
try {
|
|
result = stream.tty.ops.get_char(stream.tty);
|
|
} catch (e) {
|
|
throw new FS.ErrnoError(29);
|
|
}
|
|
if (result === undefined && bytesRead === 0) {
|
|
throw new FS.ErrnoError(6);
|
|
}
|
|
if (result === null || result === undefined) break;
|
|
bytesRead++;
|
|
buffer[offset + i] = result;
|
|
}
|
|
if (bytesRead) {
|
|
stream.node.atime = Date.now();
|
|
}
|
|
return bytesRead;
|
|
},
|
|
write(stream, buffer, offset, length, pos) {
|
|
if (!stream.tty || !stream.tty.ops.put_char) {
|
|
throw new FS.ErrnoError(60);
|
|
}
|
|
try {
|
|
for (var i = 0; i < length; i++) {
|
|
stream.tty.ops.put_char(stream.tty, buffer[offset + i]);
|
|
}
|
|
} catch (e) {
|
|
throw new FS.ErrnoError(29);
|
|
}
|
|
if (length) {
|
|
stream.node.mtime = stream.node.ctime = Date.now();
|
|
}
|
|
return i;
|
|
}
|
|
},
|
|
default_tty_ops: {
|
|
get_char(tty) {
|
|
return FS_stdin_getChar();
|
|
},
|
|
put_char(tty, val) {
|
|
if (val === null || val === 10) {
|
|
out(UTF8ArrayToString(tty.output));
|
|
tty.output = [];
|
|
} else {
|
|
if (val != 0) tty.output.push(val);
|
|
}
|
|
},
|
|
fsync(tty) {
|
|
if (tty.output?.length > 0) {
|
|
out(UTF8ArrayToString(tty.output));
|
|
tty.output = [];
|
|
}
|
|
},
|
|
ioctl_tcgets(tty) {
|
|
// typical setting
|
|
return {
|
|
c_iflag: 25856,
|
|
c_oflag: 5,
|
|
c_cflag: 191,
|
|
c_lflag: 35387,
|
|
c_cc: [ 3, 28, 127, 21, 4, 0, 1, 0, 17, 19, 26, 0, 18, 15, 23, 22, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ]
|
|
};
|
|
},
|
|
ioctl_tcsets(tty, optional_actions, data) {
|
|
// currently just ignore
|
|
return 0;
|
|
},
|
|
ioctl_tiocgwinsz(tty) {
|
|
return [ 24, 80 ];
|
|
}
|
|
},
|
|
default_tty1_ops: {
|
|
put_char(tty, val) {
|
|
if (val === null || val === 10) {
|
|
err(UTF8ArrayToString(tty.output));
|
|
tty.output = [];
|
|
} else {
|
|
if (val != 0) tty.output.push(val);
|
|
}
|
|
},
|
|
fsync(tty) {
|
|
if (tty.output?.length > 0) {
|
|
err(UTF8ArrayToString(tty.output));
|
|
tty.output = [];
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
var zeroMemory = (ptr, size) => GROWABLE_HEAP_U8().fill(0, ptr, ptr + size);
|
|
|
|
var alignMemory = (size, alignment) => {
|
|
assert(alignment, "alignment argument is required");
|
|
return Math.ceil(size / alignment) * alignment;
|
|
};
|
|
|
|
var mmapAlloc = size => {
|
|
size = alignMemory(size, 65536);
|
|
var ptr = _emscripten_builtin_memalign(65536, size);
|
|
if (ptr) zeroMemory(ptr, size);
|
|
return ptr;
|
|
};
|
|
|
|
var MEMFS = {
|
|
ops_table: null,
|
|
mount(mount) {
|
|
return MEMFS.createNode(null, "/", 16895, 0);
|
|
},
|
|
createNode(parent, name, mode, dev) {
|
|
if (FS.isBlkdev(mode) || FS.isFIFO(mode)) {
|
|
// no supported
|
|
throw new FS.ErrnoError(63);
|
|
}
|
|
MEMFS.ops_table ||= {
|
|
dir: {
|
|
node: {
|
|
getattr: MEMFS.node_ops.getattr,
|
|
setattr: MEMFS.node_ops.setattr,
|
|
lookup: MEMFS.node_ops.lookup,
|
|
mknod: MEMFS.node_ops.mknod,
|
|
rename: MEMFS.node_ops.rename,
|
|
unlink: MEMFS.node_ops.unlink,
|
|
rmdir: MEMFS.node_ops.rmdir,
|
|
readdir: MEMFS.node_ops.readdir,
|
|
symlink: MEMFS.node_ops.symlink
|
|
},
|
|
stream: {
|
|
llseek: MEMFS.stream_ops.llseek
|
|
}
|
|
},
|
|
file: {
|
|
node: {
|
|
getattr: MEMFS.node_ops.getattr,
|
|
setattr: MEMFS.node_ops.setattr
|
|
},
|
|
stream: {
|
|
llseek: MEMFS.stream_ops.llseek,
|
|
read: MEMFS.stream_ops.read,
|
|
write: MEMFS.stream_ops.write,
|
|
mmap: MEMFS.stream_ops.mmap,
|
|
msync: MEMFS.stream_ops.msync
|
|
}
|
|
},
|
|
link: {
|
|
node: {
|
|
getattr: MEMFS.node_ops.getattr,
|
|
setattr: MEMFS.node_ops.setattr,
|
|
readlink: MEMFS.node_ops.readlink
|
|
},
|
|
stream: {}
|
|
},
|
|
chrdev: {
|
|
node: {
|
|
getattr: MEMFS.node_ops.getattr,
|
|
setattr: MEMFS.node_ops.setattr
|
|
},
|
|
stream: FS.chrdev_stream_ops
|
|
}
|
|
};
|
|
var node = FS.createNode(parent, name, mode, dev);
|
|
if (FS.isDir(node.mode)) {
|
|
node.node_ops = MEMFS.ops_table.dir.node;
|
|
node.stream_ops = MEMFS.ops_table.dir.stream;
|
|
node.contents = {};
|
|
} else if (FS.isFile(node.mode)) {
|
|
node.node_ops = MEMFS.ops_table.file.node;
|
|
node.stream_ops = MEMFS.ops_table.file.stream;
|
|
node.usedBytes = 0;
|
|
// The actual number of bytes used in the typed array, as opposed to contents.length which gives the whole capacity.
|
|
// When the byte data of the file is populated, this will point to either a typed array, or a normal JS array. Typed arrays are preferred
|
|
// for performance, and used by default. However, typed arrays are not resizable like normal JS arrays are, so there is a small disk size
|
|
// penalty involved for appending file writes that continuously grow a file similar to std::vector capacity vs used -scheme.
|
|
node.contents = null;
|
|
} else if (FS.isLink(node.mode)) {
|
|
node.node_ops = MEMFS.ops_table.link.node;
|
|
node.stream_ops = MEMFS.ops_table.link.stream;
|
|
} else if (FS.isChrdev(node.mode)) {
|
|
node.node_ops = MEMFS.ops_table.chrdev.node;
|
|
node.stream_ops = MEMFS.ops_table.chrdev.stream;
|
|
}
|
|
node.atime = node.mtime = node.ctime = Date.now();
|
|
// add the new node to the parent
|
|
if (parent) {
|
|
parent.contents[name] = node;
|
|
parent.atime = parent.mtime = parent.ctime = node.atime;
|
|
}
|
|
return node;
|
|
},
|
|
getFileDataAsTypedArray(node) {
|
|
if (!node.contents) return new Uint8Array(0);
|
|
if (node.contents.subarray) return node.contents.subarray(0, node.usedBytes);
|
|
// Make sure to not return excess unused bytes.
|
|
return new Uint8Array(node.contents);
|
|
},
|
|
expandFileStorage(node, newCapacity) {
|
|
var prevCapacity = node.contents ? node.contents.length : 0;
|
|
if (prevCapacity >= newCapacity) return;
|
|
// No need to expand, the storage was already large enough.
|
|
// Don't expand strictly to the given requested limit if it's only a very small increase, but instead geometrically grow capacity.
|
|
// For small filesizes (<1MB), perform size*2 geometric increase, but for large sizes, do a much more conservative size*1.125 increase to
|
|
// avoid overshooting the allocation cap by a very large margin.
|
|
var CAPACITY_DOUBLING_MAX = 1024 * 1024;
|
|
newCapacity = Math.max(newCapacity, (prevCapacity * (prevCapacity < CAPACITY_DOUBLING_MAX ? 2 : 1.125)) >>> 0);
|
|
if (prevCapacity != 0) newCapacity = Math.max(newCapacity, 256);
|
|
// At minimum allocate 256b for each file when expanding.
|
|
var oldContents = node.contents;
|
|
node.contents = new Uint8Array(newCapacity);
|
|
// Allocate new storage.
|
|
if (node.usedBytes > 0) node.contents.set(oldContents.subarray(0, node.usedBytes), 0);
|
|
},
|
|
resizeFileStorage(node, newSize) {
|
|
if (node.usedBytes == newSize) return;
|
|
if (newSize == 0) {
|
|
node.contents = null;
|
|
// Fully decommit when requesting a resize to zero.
|
|
node.usedBytes = 0;
|
|
} else {
|
|
var oldContents = node.contents;
|
|
node.contents = new Uint8Array(newSize);
|
|
// Allocate new storage.
|
|
if (oldContents) {
|
|
node.contents.set(oldContents.subarray(0, Math.min(newSize, node.usedBytes)));
|
|
}
|
|
node.usedBytes = newSize;
|
|
}
|
|
},
|
|
node_ops: {
|
|
getattr(node) {
|
|
var attr = {};
|
|
// device numbers reuse inode numbers.
|
|
attr.dev = FS.isChrdev(node.mode) ? node.id : 1;
|
|
attr.ino = node.id;
|
|
attr.mode = node.mode;
|
|
attr.nlink = 1;
|
|
attr.uid = 0;
|
|
attr.gid = 0;
|
|
attr.rdev = node.rdev;
|
|
if (FS.isDir(node.mode)) {
|
|
attr.size = 4096;
|
|
} else if (FS.isFile(node.mode)) {
|
|
attr.size = node.usedBytes;
|
|
} else if (FS.isLink(node.mode)) {
|
|
attr.size = node.link.length;
|
|
} else {
|
|
attr.size = 0;
|
|
}
|
|
attr.atime = new Date(node.atime);
|
|
attr.mtime = new Date(node.mtime);
|
|
attr.ctime = new Date(node.ctime);
|
|
// NOTE: In our implementation, st_blocks = Math.ceil(st_size/st_blksize),
|
|
// but this is not required by the standard.
|
|
attr.blksize = 4096;
|
|
attr.blocks = Math.ceil(attr.size / attr.blksize);
|
|
return attr;
|
|
},
|
|
setattr(node, attr) {
|
|
for (const key of [ "mode", "atime", "mtime", "ctime" ]) {
|
|
if (attr[key] != null) {
|
|
node[key] = attr[key];
|
|
}
|
|
}
|
|
if (attr.size !== undefined) {
|
|
MEMFS.resizeFileStorage(node, attr.size);
|
|
}
|
|
},
|
|
lookup(parent, name) {
|
|
throw new FS.ErrnoError(44);
|
|
},
|
|
mknod(parent, name, mode, dev) {
|
|
return MEMFS.createNode(parent, name, mode, dev);
|
|
},
|
|
rename(old_node, new_dir, new_name) {
|
|
var new_node;
|
|
try {
|
|
new_node = FS.lookupNode(new_dir, new_name);
|
|
} catch (e) {}
|
|
if (new_node) {
|
|
if (FS.isDir(old_node.mode)) {
|
|
// if we're overwriting a directory at new_name, make sure it's empty.
|
|
for (var i in new_node.contents) {
|
|
throw new FS.ErrnoError(55);
|
|
}
|
|
}
|
|
FS.hashRemoveNode(new_node);
|
|
}
|
|
// do the internal rewiring
|
|
delete old_node.parent.contents[old_node.name];
|
|
new_dir.contents[new_name] = old_node;
|
|
old_node.name = new_name;
|
|
new_dir.ctime = new_dir.mtime = old_node.parent.ctime = old_node.parent.mtime = Date.now();
|
|
},
|
|
unlink(parent, name) {
|
|
delete parent.contents[name];
|
|
parent.ctime = parent.mtime = Date.now();
|
|
},
|
|
rmdir(parent, name) {
|
|
var node = FS.lookupNode(parent, name);
|
|
for (var i in node.contents) {
|
|
throw new FS.ErrnoError(55);
|
|
}
|
|
delete parent.contents[name];
|
|
parent.ctime = parent.mtime = Date.now();
|
|
},
|
|
readdir(node) {
|
|
return [ ".", "..", ...Object.keys(node.contents) ];
|
|
},
|
|
symlink(parent, newname, oldpath) {
|
|
var node = MEMFS.createNode(parent, newname, 511 | 40960, 0);
|
|
node.link = oldpath;
|
|
return node;
|
|
},
|
|
readlink(node) {
|
|
if (!FS.isLink(node.mode)) {
|
|
throw new FS.ErrnoError(28);
|
|
}
|
|
return node.link;
|
|
}
|
|
},
|
|
stream_ops: {
|
|
read(stream, buffer, offset, length, position) {
|
|
var contents = stream.node.contents;
|
|
if (position >= stream.node.usedBytes) return 0;
|
|
var size = Math.min(stream.node.usedBytes - position, length);
|
|
assert(size >= 0);
|
|
if (size > 8 && contents.subarray) {
|
|
// non-trivial, and typed array
|
|
buffer.set(contents.subarray(position, position + size), offset);
|
|
} else {
|
|
for (var i = 0; i < size; i++) buffer[offset + i] = contents[position + i];
|
|
}
|
|
return size;
|
|
},
|
|
write(stream, buffer, offset, length, position, canOwn) {
|
|
// The data buffer should be a typed array view
|
|
assert(!(buffer instanceof ArrayBuffer));
|
|
// If the buffer is located in main memory (HEAP), and if
|
|
// memory can grow, we can't hold on to references of the
|
|
// memory buffer, as they may get invalidated. That means we
|
|
// need to do copy its contents.
|
|
if (buffer.buffer === GROWABLE_HEAP_I8().buffer) {
|
|
canOwn = false;
|
|
}
|
|
if (!length) return 0;
|
|
var node = stream.node;
|
|
node.mtime = node.ctime = Date.now();
|
|
if (buffer.subarray && (!node.contents || node.contents.subarray)) {
|
|
// This write is from a typed array to a typed array?
|
|
if (canOwn) {
|
|
assert(position === 0, "canOwn must imply no weird position inside the file");
|
|
node.contents = buffer.subarray(offset, offset + length);
|
|
node.usedBytes = length;
|
|
return length;
|
|
} else if (node.usedBytes === 0 && position === 0) {
|
|
// If this is a simple first write to an empty file, do a fast set since we don't need to care about old data.
|
|
node.contents = buffer.slice(offset, offset + length);
|
|
node.usedBytes = length;
|
|
return length;
|
|
} else if (position + length <= node.usedBytes) {
|
|
// Writing to an already allocated and used subrange of the file?
|
|
node.contents.set(buffer.subarray(offset, offset + length), position);
|
|
return length;
|
|
}
|
|
}
|
|
// Appending to an existing file and we need to reallocate, or source data did not come as a typed array.
|
|
MEMFS.expandFileStorage(node, position + length);
|
|
if (node.contents.subarray && buffer.subarray) {
|
|
// Use typed array write which is available.
|
|
node.contents.set(buffer.subarray(offset, offset + length), position);
|
|
} else {
|
|
for (var i = 0; i < length; i++) {
|
|
node.contents[position + i] = buffer[offset + i];
|
|
}
|
|
}
|
|
node.usedBytes = Math.max(node.usedBytes, position + length);
|
|
return length;
|
|
},
|
|
llseek(stream, offset, whence) {
|
|
var position = offset;
|
|
if (whence === 1) {
|
|
position += stream.position;
|
|
} else if (whence === 2) {
|
|
if (FS.isFile(stream.node.mode)) {
|
|
position += stream.node.usedBytes;
|
|
}
|
|
}
|
|
if (position < 0) {
|
|
throw new FS.ErrnoError(28);
|
|
}
|
|
return position;
|
|
},
|
|
mmap(stream, length, position, prot, flags) {
|
|
if (!FS.isFile(stream.node.mode)) {
|
|
throw new FS.ErrnoError(43);
|
|
}
|
|
var ptr;
|
|
var allocated;
|
|
var contents = stream.node.contents;
|
|
// Only make a new copy when MAP_PRIVATE is specified.
|
|
if (!(flags & 2) && contents && contents.buffer === GROWABLE_HEAP_I8().buffer) {
|
|
// We can't emulate MAP_SHARED when the file is not backed by the
|
|
// buffer we're mapping to (e.g. the HEAP buffer).
|
|
allocated = false;
|
|
ptr = contents.byteOffset;
|
|
} else {
|
|
allocated = true;
|
|
ptr = mmapAlloc(length);
|
|
if (!ptr) {
|
|
throw new FS.ErrnoError(48);
|
|
}
|
|
if (contents) {
|
|
// Try to avoid unnecessary slices.
|
|
if (position > 0 || position + length < contents.length) {
|
|
if (contents.subarray) {
|
|
contents = contents.subarray(position, position + length);
|
|
} else {
|
|
contents = Array.prototype.slice.call(contents, position, position + length);
|
|
}
|
|
}
|
|
GROWABLE_HEAP_I8().set(contents, ptr);
|
|
}
|
|
}
|
|
return {
|
|
ptr,
|
|
allocated
|
|
};
|
|
},
|
|
msync(stream, buffer, offset, length, mmapFlags) {
|
|
MEMFS.stream_ops.write(stream, buffer, 0, length, offset, false);
|
|
// should we check if bytesWritten and length are the same?
|
|
return 0;
|
|
}
|
|
}
|
|
};
|
|
|
|
var asyncLoad = async url => {
|
|
var arrayBuffer = await readAsync(url);
|
|
assert(arrayBuffer, `Loading data file "${url}" failed (no arrayBuffer).`);
|
|
return new Uint8Array(arrayBuffer);
|
|
};
|
|
|
|
asyncLoad.isAsync = true;
|
|
|
|
var FS_createDataFile = (parent, name, fileData, canRead, canWrite, canOwn) => {
|
|
FS.createDataFile(parent, name, fileData, canRead, canWrite, canOwn);
|
|
};
|
|
|
|
var preloadPlugins = Module["preloadPlugins"] || [];
|
|
|
|
var FS_handledByPreloadPlugin = (byteArray, fullname, finish, onerror) => {
|
|
// Ensure plugins are ready.
|
|
if (typeof Browser != "undefined") Browser.init();
|
|
var handled = false;
|
|
preloadPlugins.forEach(plugin => {
|
|
if (handled) return;
|
|
if (plugin["canHandle"](fullname)) {
|
|
plugin["handle"](byteArray, fullname, finish, onerror);
|
|
handled = true;
|
|
}
|
|
});
|
|
return handled;
|
|
};
|
|
|
|
var FS_createPreloadedFile = (parent, name, url, canRead, canWrite, onload, onerror, dontCreateFile, canOwn, preFinish) => {
|
|
// TODO we should allow people to just pass in a complete filename instead
|
|
// of parent and name being that we just join them anyways
|
|
var fullname = name ? PATH_FS.resolve(PATH.join2(parent, name)) : parent;
|
|
var dep = getUniqueRunDependency(`cp ${fullname}`);
|
|
// might have several active requests for the same fullname
|
|
function processData(byteArray) {
|
|
function finish(byteArray) {
|
|
preFinish?.();
|
|
if (!dontCreateFile) {
|
|
FS_createDataFile(parent, name, byteArray, canRead, canWrite, canOwn);
|
|
}
|
|
onload?.();
|
|
removeRunDependency(dep);
|
|
}
|
|
if (FS_handledByPreloadPlugin(byteArray, fullname, finish, () => {
|
|
onerror?.();
|
|
removeRunDependency(dep);
|
|
})) {
|
|
return;
|
|
}
|
|
finish(byteArray);
|
|
}
|
|
addRunDependency(dep);
|
|
if (typeof url == "string") {
|
|
asyncLoad(url).then(processData, onerror);
|
|
} else {
|
|
processData(url);
|
|
}
|
|
};
|
|
|
|
var FS_modeStringToFlags = str => {
|
|
var flagModes = {
|
|
"r": 0,
|
|
"r+": 2,
|
|
"w": 512 | 64 | 1,
|
|
"w+": 512 | 64 | 2,
|
|
"a": 1024 | 64 | 1,
|
|
"a+": 1024 | 64 | 2
|
|
};
|
|
var flags = flagModes[str];
|
|
if (typeof flags == "undefined") {
|
|
throw new Error(`Unknown file open mode: ${str}`);
|
|
}
|
|
return flags;
|
|
};
|
|
|
|
var FS_getMode = (canRead, canWrite) => {
|
|
var mode = 0;
|
|
if (canRead) mode |= 292 | 73;
|
|
if (canWrite) mode |= 146;
|
|
return mode;
|
|
};
|
|
|
|
var strError = errno => UTF8ToString(_strerror(errno));
|
|
|
|
var ERRNO_CODES = {
|
|
"EPERM": 63,
|
|
"ENOENT": 44,
|
|
"ESRCH": 71,
|
|
"EINTR": 27,
|
|
"EIO": 29,
|
|
"ENXIO": 60,
|
|
"E2BIG": 1,
|
|
"ENOEXEC": 45,
|
|
"EBADF": 8,
|
|
"ECHILD": 12,
|
|
"EAGAIN": 6,
|
|
"EWOULDBLOCK": 6,
|
|
"ENOMEM": 48,
|
|
"EACCES": 2,
|
|
"EFAULT": 21,
|
|
"ENOTBLK": 105,
|
|
"EBUSY": 10,
|
|
"EEXIST": 20,
|
|
"EXDEV": 75,
|
|
"ENODEV": 43,
|
|
"ENOTDIR": 54,
|
|
"EISDIR": 31,
|
|
"EINVAL": 28,
|
|
"ENFILE": 41,
|
|
"EMFILE": 33,
|
|
"ENOTTY": 59,
|
|
"ETXTBSY": 74,
|
|
"EFBIG": 22,
|
|
"ENOSPC": 51,
|
|
"ESPIPE": 70,
|
|
"EROFS": 69,
|
|
"EMLINK": 34,
|
|
"EPIPE": 64,
|
|
"EDOM": 18,
|
|
"ERANGE": 68,
|
|
"ENOMSG": 49,
|
|
"EIDRM": 24,
|
|
"ECHRNG": 106,
|
|
"EL2NSYNC": 156,
|
|
"EL3HLT": 107,
|
|
"EL3RST": 108,
|
|
"ELNRNG": 109,
|
|
"EUNATCH": 110,
|
|
"ENOCSI": 111,
|
|
"EL2HLT": 112,
|
|
"EDEADLK": 16,
|
|
"ENOLCK": 46,
|
|
"EBADE": 113,
|
|
"EBADR": 114,
|
|
"EXFULL": 115,
|
|
"ENOANO": 104,
|
|
"EBADRQC": 103,
|
|
"EBADSLT": 102,
|
|
"EDEADLOCK": 16,
|
|
"EBFONT": 101,
|
|
"ENOSTR": 100,
|
|
"ENODATA": 116,
|
|
"ETIME": 117,
|
|
"ENOSR": 118,
|
|
"ENONET": 119,
|
|
"ENOPKG": 120,
|
|
"EREMOTE": 121,
|
|
"ENOLINK": 47,
|
|
"EADV": 122,
|
|
"ESRMNT": 123,
|
|
"ECOMM": 124,
|
|
"EPROTO": 65,
|
|
"EMULTIHOP": 36,
|
|
"EDOTDOT": 125,
|
|
"EBADMSG": 9,
|
|
"ENOTUNIQ": 126,
|
|
"EBADFD": 127,
|
|
"EREMCHG": 128,
|
|
"ELIBACC": 129,
|
|
"ELIBBAD": 130,
|
|
"ELIBSCN": 131,
|
|
"ELIBMAX": 132,
|
|
"ELIBEXEC": 133,
|
|
"ENOSYS": 52,
|
|
"ENOTEMPTY": 55,
|
|
"ENAMETOOLONG": 37,
|
|
"ELOOP": 32,
|
|
"EOPNOTSUPP": 138,
|
|
"EPFNOSUPPORT": 139,
|
|
"ECONNRESET": 15,
|
|
"ENOBUFS": 42,
|
|
"EAFNOSUPPORT": 5,
|
|
"EPROTOTYPE": 67,
|
|
"ENOTSOCK": 57,
|
|
"ENOPROTOOPT": 50,
|
|
"ESHUTDOWN": 140,
|
|
"ECONNREFUSED": 14,
|
|
"EADDRINUSE": 3,
|
|
"ECONNABORTED": 13,
|
|
"ENETUNREACH": 40,
|
|
"ENETDOWN": 38,
|
|
"ETIMEDOUT": 73,
|
|
"EHOSTDOWN": 142,
|
|
"EHOSTUNREACH": 23,
|
|
"EINPROGRESS": 26,
|
|
"EALREADY": 7,
|
|
"EDESTADDRREQ": 17,
|
|
"EMSGSIZE": 35,
|
|
"EPROTONOSUPPORT": 66,
|
|
"ESOCKTNOSUPPORT": 137,
|
|
"EADDRNOTAVAIL": 4,
|
|
"ENETRESET": 39,
|
|
"EISCONN": 30,
|
|
"ENOTCONN": 53,
|
|
"ETOOMANYREFS": 141,
|
|
"EUSERS": 136,
|
|
"EDQUOT": 19,
|
|
"ESTALE": 72,
|
|
"ENOTSUP": 138,
|
|
"ENOMEDIUM": 148,
|
|
"EILSEQ": 25,
|
|
"EOVERFLOW": 61,
|
|
"ECANCELED": 11,
|
|
"ENOTRECOVERABLE": 56,
|
|
"EOWNERDEAD": 62,
|
|
"ESTRPIPE": 135
|
|
};
|
|
|
|
var FS = {
|
|
root: null,
|
|
mounts: [],
|
|
devices: {},
|
|
streams: [],
|
|
nextInode: 1,
|
|
nameTable: null,
|
|
currentPath: "/",
|
|
initialized: false,
|
|
ignorePermissions: true,
|
|
filesystems: null,
|
|
syncFSRequests: 0,
|
|
readFiles: {},
|
|
ErrnoError: class extends Error {
|
|
name="ErrnoError";
|
|
// We set the `name` property to be able to identify `FS.ErrnoError`
|
|
// - the `name` is a standard ECMA-262 property of error objects. Kind of good to have it anyway.
|
|
// - when using PROXYFS, an error can come from an underlying FS
|
|
// as different FS objects have their own FS.ErrnoError each,
|
|
// the test `err instanceof FS.ErrnoError` won't detect an error coming from another filesystem, causing bugs.
|
|
// we'll use the reliable test `err.name == "ErrnoError"` instead
|
|
constructor(errno) {
|
|
super(runtimeInitialized ? strError(errno) : "");
|
|
this.errno = errno;
|
|
for (var key in ERRNO_CODES) {
|
|
if (ERRNO_CODES[key] === errno) {
|
|
this.code = key;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
},
|
|
FSStream: class {
|
|
shared={};
|
|
get object() {
|
|
return this.node;
|
|
}
|
|
set object(val) {
|
|
this.node = val;
|
|
}
|
|
get isRead() {
|
|
return (this.flags & 2097155) !== 1;
|
|
}
|
|
get isWrite() {
|
|
return (this.flags & 2097155) !== 0;
|
|
}
|
|
get isAppend() {
|
|
return (this.flags & 1024);
|
|
}
|
|
get flags() {
|
|
return this.shared.flags;
|
|
}
|
|
set flags(val) {
|
|
this.shared.flags = val;
|
|
}
|
|
get position() {
|
|
return this.shared.position;
|
|
}
|
|
set position(val) {
|
|
this.shared.position = val;
|
|
}
|
|
},
|
|
FSNode: class {
|
|
node_ops={};
|
|
stream_ops={};
|
|
readMode=292 | 73;
|
|
writeMode=146;
|
|
mounted=null;
|
|
constructor(parent, name, mode, rdev) {
|
|
if (!parent) {
|
|
parent = this;
|
|
}
|
|
this.parent = parent;
|
|
this.mount = parent.mount;
|
|
this.id = FS.nextInode++;
|
|
this.name = name;
|
|
this.mode = mode;
|
|
this.rdev = rdev;
|
|
this.atime = this.mtime = this.ctime = Date.now();
|
|
}
|
|
get read() {
|
|
return (this.mode & this.readMode) === this.readMode;
|
|
}
|
|
set read(val) {
|
|
val ? this.mode |= this.readMode : this.mode &= ~this.readMode;
|
|
}
|
|
get write() {
|
|
return (this.mode & this.writeMode) === this.writeMode;
|
|
}
|
|
set write(val) {
|
|
val ? this.mode |= this.writeMode : this.mode &= ~this.writeMode;
|
|
}
|
|
get isFolder() {
|
|
return FS.isDir(this.mode);
|
|
}
|
|
get isDevice() {
|
|
return FS.isChrdev(this.mode);
|
|
}
|
|
},
|
|
lookupPath(path, opts = {}) {
|
|
if (!path) {
|
|
throw new FS.ErrnoError(44);
|
|
}
|
|
opts.follow_mount ??= true;
|
|
if (!PATH.isAbs(path)) {
|
|
path = FS.cwd() + "/" + path;
|
|
}
|
|
// limit max consecutive symlinks to 40 (SYMLOOP_MAX).
|
|
linkloop: for (var nlinks = 0; nlinks < 40; nlinks++) {
|
|
// split the absolute path
|
|
var parts = path.split("/").filter(p => !!p);
|
|
// start at the root
|
|
var current = FS.root;
|
|
var current_path = "/";
|
|
for (var i = 0; i < parts.length; i++) {
|
|
var islast = (i === parts.length - 1);
|
|
if (islast && opts.parent) {
|
|
// stop resolving
|
|
break;
|
|
}
|
|
if (parts[i] === ".") {
|
|
continue;
|
|
}
|
|
if (parts[i] === "..") {
|
|
current_path = PATH.dirname(current_path);
|
|
current = current.parent;
|
|
continue;
|
|
}
|
|
current_path = PATH.join2(current_path, parts[i]);
|
|
try {
|
|
current = FS.lookupNode(current, parts[i]);
|
|
} catch (e) {
|
|
// if noent_okay is true, suppress a ENOENT in the last component
|
|
// and return an object with an undefined node. This is needed for
|
|
// resolving symlinks in the path when creating a file.
|
|
if ((e?.errno === 44) && islast && opts.noent_okay) {
|
|
return {
|
|
path: current_path
|
|
};
|
|
}
|
|
throw e;
|
|
}
|
|
// jump to the mount's root node if this is a mountpoint
|
|
if (FS.isMountpoint(current) && (!islast || opts.follow_mount)) {
|
|
current = current.mounted.root;
|
|
}
|
|
// by default, lookupPath will not follow a symlink if it is the final path component.
|
|
// setting opts.follow = true will override this behavior.
|
|
if (FS.isLink(current.mode) && (!islast || opts.follow)) {
|
|
if (!current.node_ops.readlink) {
|
|
throw new FS.ErrnoError(52);
|
|
}
|
|
var link = current.node_ops.readlink(current);
|
|
if (!PATH.isAbs(link)) {
|
|
link = PATH.dirname(current_path) + "/" + link;
|
|
}
|
|
path = link + "/" + parts.slice(i + 1).join("/");
|
|
continue linkloop;
|
|
}
|
|
}
|
|
return {
|
|
path: current_path,
|
|
node: current
|
|
};
|
|
}
|
|
throw new FS.ErrnoError(32);
|
|
},
|
|
getPath(node) {
|
|
var path;
|
|
while (true) {
|
|
if (FS.isRoot(node)) {
|
|
var mount = node.mount.mountpoint;
|
|
if (!path) return mount;
|
|
return mount[mount.length - 1] !== "/" ? `${mount}/${path}` : mount + path;
|
|
}
|
|
path = path ? `${node.name}/${path}` : node.name;
|
|
node = node.parent;
|
|
}
|
|
},
|
|
hashName(parentid, name) {
|
|
var hash = 0;
|
|
for (var i = 0; i < name.length; i++) {
|
|
hash = ((hash << 5) - hash + name.charCodeAt(i)) | 0;
|
|
}
|
|
return ((parentid + hash) >>> 0) % FS.nameTable.length;
|
|
},
|
|
hashAddNode(node) {
|
|
var hash = FS.hashName(node.parent.id, node.name);
|
|
node.name_next = FS.nameTable[hash];
|
|
FS.nameTable[hash] = node;
|
|
},
|
|
hashRemoveNode(node) {
|
|
var hash = FS.hashName(node.parent.id, node.name);
|
|
if (FS.nameTable[hash] === node) {
|
|
FS.nameTable[hash] = node.name_next;
|
|
} else {
|
|
var current = FS.nameTable[hash];
|
|
while (current) {
|
|
if (current.name_next === node) {
|
|
current.name_next = node.name_next;
|
|
break;
|
|
}
|
|
current = current.name_next;
|
|
}
|
|
}
|
|
},
|
|
lookupNode(parent, name) {
|
|
var errCode = FS.mayLookup(parent);
|
|
if (errCode) {
|
|
throw new FS.ErrnoError(errCode);
|
|
}
|
|
var hash = FS.hashName(parent.id, name);
|
|
for (var node = FS.nameTable[hash]; node; node = node.name_next) {
|
|
var nodeName = node.name;
|
|
if (node.parent.id === parent.id && nodeName === name) {
|
|
return node;
|
|
}
|
|
}
|
|
// if we failed to find it in the cache, call into the VFS
|
|
return FS.lookup(parent, name);
|
|
},
|
|
createNode(parent, name, mode, rdev) {
|
|
assert(typeof parent == "object");
|
|
var node = new FS.FSNode(parent, name, mode, rdev);
|
|
FS.hashAddNode(node);
|
|
return node;
|
|
},
|
|
destroyNode(node) {
|
|
FS.hashRemoveNode(node);
|
|
},
|
|
isRoot(node) {
|
|
return node === node.parent;
|
|
},
|
|
isMountpoint(node) {
|
|
return !!node.mounted;
|
|
},
|
|
isFile(mode) {
|
|
return (mode & 61440) === 32768;
|
|
},
|
|
isDir(mode) {
|
|
return (mode & 61440) === 16384;
|
|
},
|
|
isLink(mode) {
|
|
return (mode & 61440) === 40960;
|
|
},
|
|
isChrdev(mode) {
|
|
return (mode & 61440) === 8192;
|
|
},
|
|
isBlkdev(mode) {
|
|
return (mode & 61440) === 24576;
|
|
},
|
|
isFIFO(mode) {
|
|
return (mode & 61440) === 4096;
|
|
},
|
|
isSocket(mode) {
|
|
return (mode & 49152) === 49152;
|
|
},
|
|
flagsToPermissionString(flag) {
|
|
var perms = [ "r", "w", "rw" ][flag & 3];
|
|
if ((flag & 512)) {
|
|
perms += "w";
|
|
}
|
|
return perms;
|
|
},
|
|
nodePermissions(node, perms) {
|
|
if (FS.ignorePermissions) {
|
|
return 0;
|
|
}
|
|
// return 0 if any user, group or owner bits are set.
|
|
if (perms.includes("r") && !(node.mode & 292)) {
|
|
return 2;
|
|
} else if (perms.includes("w") && !(node.mode & 146)) {
|
|
return 2;
|
|
} else if (perms.includes("x") && !(node.mode & 73)) {
|
|
return 2;
|
|
}
|
|
return 0;
|
|
},
|
|
mayLookup(dir) {
|
|
if (!FS.isDir(dir.mode)) return 54;
|
|
var errCode = FS.nodePermissions(dir, "x");
|
|
if (errCode) return errCode;
|
|
if (!dir.node_ops.lookup) return 2;
|
|
return 0;
|
|
},
|
|
mayCreate(dir, name) {
|
|
if (!FS.isDir(dir.mode)) {
|
|
return 54;
|
|
}
|
|
try {
|
|
var node = FS.lookupNode(dir, name);
|
|
return 20;
|
|
} catch (e) {}
|
|
return FS.nodePermissions(dir, "wx");
|
|
},
|
|
mayDelete(dir, name, isdir) {
|
|
var node;
|
|
try {
|
|
node = FS.lookupNode(dir, name);
|
|
} catch (e) {
|
|
return e.errno;
|
|
}
|
|
var errCode = FS.nodePermissions(dir, "wx");
|
|
if (errCode) {
|
|
return errCode;
|
|
}
|
|
if (isdir) {
|
|
if (!FS.isDir(node.mode)) {
|
|
return 54;
|
|
}
|
|
if (FS.isRoot(node) || FS.getPath(node) === FS.cwd()) {
|
|
return 10;
|
|
}
|
|
} else {
|
|
if (FS.isDir(node.mode)) {
|
|
return 31;
|
|
}
|
|
}
|
|
return 0;
|
|
},
|
|
mayOpen(node, flags) {
|
|
if (!node) {
|
|
return 44;
|
|
}
|
|
if (FS.isLink(node.mode)) {
|
|
return 32;
|
|
} else if (FS.isDir(node.mode)) {
|
|
if (FS.flagsToPermissionString(flags) !== "r" || (flags & (512 | 64))) {
|
|
// TODO: check for O_SEARCH? (== search for dir only)
|
|
return 31;
|
|
}
|
|
}
|
|
return FS.nodePermissions(node, FS.flagsToPermissionString(flags));
|
|
},
|
|
checkOpExists(op, err) {
|
|
if (!op) {
|
|
throw new FS.ErrnoError(err);
|
|
}
|
|
return op;
|
|
},
|
|
MAX_OPEN_FDS: 4096,
|
|
nextfd() {
|
|
for (var fd = 0; fd <= FS.MAX_OPEN_FDS; fd++) {
|
|
if (!FS.streams[fd]) {
|
|
return fd;
|
|
}
|
|
}
|
|
throw new FS.ErrnoError(33);
|
|
},
|
|
getStreamChecked(fd) {
|
|
var stream = FS.getStream(fd);
|
|
if (!stream) {
|
|
throw new FS.ErrnoError(8);
|
|
}
|
|
return stream;
|
|
},
|
|
getStream: fd => FS.streams[fd],
|
|
createStream(stream, fd = -1) {
|
|
assert(fd >= -1);
|
|
// clone it, so we can return an instance of FSStream
|
|
stream = Object.assign(new FS.FSStream, stream);
|
|
if (fd == -1) {
|
|
fd = FS.nextfd();
|
|
}
|
|
stream.fd = fd;
|
|
FS.streams[fd] = stream;
|
|
return stream;
|
|
},
|
|
closeStream(fd) {
|
|
FS.streams[fd] = null;
|
|
},
|
|
dupStream(origStream, fd = -1) {
|
|
var stream = FS.createStream(origStream, fd);
|
|
stream.stream_ops?.dup?.(stream);
|
|
return stream;
|
|
},
|
|
doSetAttr(stream, node, attr) {
|
|
var setattr = stream?.stream_ops.setattr;
|
|
var arg = setattr ? stream : node;
|
|
setattr ??= node.node_ops.setattr;
|
|
FS.checkOpExists(setattr, 63);
|
|
setattr(arg, attr);
|
|
},
|
|
chrdev_stream_ops: {
|
|
open(stream) {
|
|
var device = FS.getDevice(stream.node.rdev);
|
|
// override node's stream ops with the device's
|
|
stream.stream_ops = device.stream_ops;
|
|
// forward the open call
|
|
stream.stream_ops.open?.(stream);
|
|
},
|
|
llseek() {
|
|
throw new FS.ErrnoError(70);
|
|
}
|
|
},
|
|
major: dev => ((dev) >> 8),
|
|
minor: dev => ((dev) & 255),
|
|
makedev: (ma, mi) => ((ma) << 8 | (mi)),
|
|
registerDevice(dev, ops) {
|
|
FS.devices[dev] = {
|
|
stream_ops: ops
|
|
};
|
|
},
|
|
getDevice: dev => FS.devices[dev],
|
|
getMounts(mount) {
|
|
var mounts = [];
|
|
var check = [ mount ];
|
|
while (check.length) {
|
|
var m = check.pop();
|
|
mounts.push(m);
|
|
check.push(...m.mounts);
|
|
}
|
|
return mounts;
|
|
},
|
|
syncfs(populate, callback) {
|
|
if (typeof populate == "function") {
|
|
callback = populate;
|
|
populate = false;
|
|
}
|
|
FS.syncFSRequests++;
|
|
if (FS.syncFSRequests > 1) {
|
|
err(`warning: ${FS.syncFSRequests} FS.syncfs operations in flight at once, probably just doing extra work`);
|
|
}
|
|
var mounts = FS.getMounts(FS.root.mount);
|
|
var completed = 0;
|
|
function doCallback(errCode) {
|
|
assert(FS.syncFSRequests > 0);
|
|
FS.syncFSRequests--;
|
|
return callback(errCode);
|
|
}
|
|
function done(errCode) {
|
|
if (errCode) {
|
|
if (!done.errored) {
|
|
done.errored = true;
|
|
return doCallback(errCode);
|
|
}
|
|
return;
|
|
}
|
|
if (++completed >= mounts.length) {
|
|
doCallback(null);
|
|
}
|
|
}
|
|
// sync all mounts
|
|
mounts.forEach(mount => {
|
|
if (!mount.type.syncfs) {
|
|
return done(null);
|
|
}
|
|
mount.type.syncfs(mount, populate, done);
|
|
});
|
|
},
|
|
mount(type, opts, mountpoint) {
|
|
if (typeof type == "string") {
|
|
// The filesystem was not included, and instead we have an error
|
|
// message stored in the variable.
|
|
throw type;
|
|
}
|
|
var root = mountpoint === "/";
|
|
var pseudo = !mountpoint;
|
|
var node;
|
|
if (root && FS.root) {
|
|
throw new FS.ErrnoError(10);
|
|
} else if (!root && !pseudo) {
|
|
var lookup = FS.lookupPath(mountpoint, {
|
|
follow_mount: false
|
|
});
|
|
mountpoint = lookup.path;
|
|
// use the absolute path
|
|
node = lookup.node;
|
|
if (FS.isMountpoint(node)) {
|
|
throw new FS.ErrnoError(10);
|
|
}
|
|
if (!FS.isDir(node.mode)) {
|
|
throw new FS.ErrnoError(54);
|
|
}
|
|
}
|
|
var mount = {
|
|
type,
|
|
opts,
|
|
mountpoint,
|
|
mounts: []
|
|
};
|
|
// create a root node for the fs
|
|
var mountRoot = type.mount(mount);
|
|
mountRoot.mount = mount;
|
|
mount.root = mountRoot;
|
|
if (root) {
|
|
FS.root = mountRoot;
|
|
} else if (node) {
|
|
// set as a mountpoint
|
|
node.mounted = mount;
|
|
// add the new mount to the current mount's children
|
|
if (node.mount) {
|
|
node.mount.mounts.push(mount);
|
|
}
|
|
}
|
|
return mountRoot;
|
|
},
|
|
unmount(mountpoint) {
|
|
var lookup = FS.lookupPath(mountpoint, {
|
|
follow_mount: false
|
|
});
|
|
if (!FS.isMountpoint(lookup.node)) {
|
|
throw new FS.ErrnoError(28);
|
|
}
|
|
// destroy the nodes for this mount, and all its child mounts
|
|
var node = lookup.node;
|
|
var mount = node.mounted;
|
|
var mounts = FS.getMounts(mount);
|
|
Object.keys(FS.nameTable).forEach(hash => {
|
|
var current = FS.nameTable[hash];
|
|
while (current) {
|
|
var next = current.name_next;
|
|
if (mounts.includes(current.mount)) {
|
|
FS.destroyNode(current);
|
|
}
|
|
current = next;
|
|
}
|
|
});
|
|
// no longer a mountpoint
|
|
node.mounted = null;
|
|
// remove this mount from the child mounts
|
|
var idx = node.mount.mounts.indexOf(mount);
|
|
assert(idx !== -1);
|
|
node.mount.mounts.splice(idx, 1);
|
|
},
|
|
lookup(parent, name) {
|
|
return parent.node_ops.lookup(parent, name);
|
|
},
|
|
mknod(path, mode, dev) {
|
|
var lookup = FS.lookupPath(path, {
|
|
parent: true
|
|
});
|
|
var parent = lookup.node;
|
|
var name = PATH.basename(path);
|
|
if (!name) {
|
|
throw new FS.ErrnoError(28);
|
|
}
|
|
if (name === "." || name === "..") {
|
|
throw new FS.ErrnoError(20);
|
|
}
|
|
var errCode = FS.mayCreate(parent, name);
|
|
if (errCode) {
|
|
throw new FS.ErrnoError(errCode);
|
|
}
|
|
if (!parent.node_ops.mknod) {
|
|
throw new FS.ErrnoError(63);
|
|
}
|
|
return parent.node_ops.mknod(parent, name, mode, dev);
|
|
},
|
|
statfs(path) {
|
|
return FS.statfsNode(FS.lookupPath(path, {
|
|
follow: true
|
|
}).node);
|
|
},
|
|
statfsStream(stream) {
|
|
// We keep a separate statfsStream function because noderawfs overrides
|
|
// it. In noderawfs, stream.node is sometimes null. Instead, we need to
|
|
// look at stream.path.
|
|
return FS.statfsNode(stream.node);
|
|
},
|
|
statfsNode(node) {
|
|
// NOTE: None of the defaults here are true. We're just returning safe and
|
|
// sane values. Currently nodefs and rawfs replace these defaults,
|
|
// other file systems leave them alone.
|
|
var rtn = {
|
|
bsize: 4096,
|
|
frsize: 4096,
|
|
blocks: 1e6,
|
|
bfree: 5e5,
|
|
bavail: 5e5,
|
|
files: FS.nextInode,
|
|
ffree: FS.nextInode - 1,
|
|
fsid: 42,
|
|
flags: 2,
|
|
namelen: 255
|
|
};
|
|
if (node.node_ops.statfs) {
|
|
Object.assign(rtn, node.node_ops.statfs(node.mount.opts.root));
|
|
}
|
|
return rtn;
|
|
},
|
|
create(path, mode = 438) {
|
|
mode &= 4095;
|
|
mode |= 32768;
|
|
return FS.mknod(path, mode, 0);
|
|
},
|
|
mkdir(path, mode = 511) {
|
|
mode &= 511 | 512;
|
|
mode |= 16384;
|
|
return FS.mknod(path, mode, 0);
|
|
},
|
|
mkdirTree(path, mode) {
|
|
var dirs = path.split("/");
|
|
var d = "";
|
|
for (var dir of dirs) {
|
|
if (!dir) continue;
|
|
if (d || PATH.isAbs(path)) d += "/";
|
|
d += dir;
|
|
try {
|
|
FS.mkdir(d, mode);
|
|
} catch (e) {
|
|
if (e.errno != 20) throw e;
|
|
}
|
|
}
|
|
},
|
|
mkdev(path, mode, dev) {
|
|
if (typeof dev == "undefined") {
|
|
dev = mode;
|
|
mode = 438;
|
|
}
|
|
mode |= 8192;
|
|
return FS.mknod(path, mode, dev);
|
|
},
|
|
symlink(oldpath, newpath) {
|
|
if (!PATH_FS.resolve(oldpath)) {
|
|
throw new FS.ErrnoError(44);
|
|
}
|
|
var lookup = FS.lookupPath(newpath, {
|
|
parent: true
|
|
});
|
|
var parent = lookup.node;
|
|
if (!parent) {
|
|
throw new FS.ErrnoError(44);
|
|
}
|
|
var newname = PATH.basename(newpath);
|
|
var errCode = FS.mayCreate(parent, newname);
|
|
if (errCode) {
|
|
throw new FS.ErrnoError(errCode);
|
|
}
|
|
if (!parent.node_ops.symlink) {
|
|
throw new FS.ErrnoError(63);
|
|
}
|
|
return parent.node_ops.symlink(parent, newname, oldpath);
|
|
},
|
|
rename(old_path, new_path) {
|
|
var old_dirname = PATH.dirname(old_path);
|
|
var new_dirname = PATH.dirname(new_path);
|
|
var old_name = PATH.basename(old_path);
|
|
var new_name = PATH.basename(new_path);
|
|
// parents must exist
|
|
var lookup, old_dir, new_dir;
|
|
// let the errors from non existent directories percolate up
|
|
lookup = FS.lookupPath(old_path, {
|
|
parent: true
|
|
});
|
|
old_dir = lookup.node;
|
|
lookup = FS.lookupPath(new_path, {
|
|
parent: true
|
|
});
|
|
new_dir = lookup.node;
|
|
if (!old_dir || !new_dir) throw new FS.ErrnoError(44);
|
|
// need to be part of the same mount
|
|
if (old_dir.mount !== new_dir.mount) {
|
|
throw new FS.ErrnoError(75);
|
|
}
|
|
// source must exist
|
|
var old_node = FS.lookupNode(old_dir, old_name);
|
|
// old path should not be an ancestor of the new path
|
|
var relative = PATH_FS.relative(old_path, new_dirname);
|
|
if (relative.charAt(0) !== ".") {
|
|
throw new FS.ErrnoError(28);
|
|
}
|
|
// new path should not be an ancestor of the old path
|
|
relative = PATH_FS.relative(new_path, old_dirname);
|
|
if (relative.charAt(0) !== ".") {
|
|
throw new FS.ErrnoError(55);
|
|
}
|
|
// see if the new path already exists
|
|
var new_node;
|
|
try {
|
|
new_node = FS.lookupNode(new_dir, new_name);
|
|
} catch (e) {}
|
|
// early out if nothing needs to change
|
|
if (old_node === new_node) {
|
|
return;
|
|
}
|
|
// we'll need to delete the old entry
|
|
var isdir = FS.isDir(old_node.mode);
|
|
var errCode = FS.mayDelete(old_dir, old_name, isdir);
|
|
if (errCode) {
|
|
throw new FS.ErrnoError(errCode);
|
|
}
|
|
// need delete permissions if we'll be overwriting.
|
|
// need create permissions if new doesn't already exist.
|
|
errCode = new_node ? FS.mayDelete(new_dir, new_name, isdir) : FS.mayCreate(new_dir, new_name);
|
|
if (errCode) {
|
|
throw new FS.ErrnoError(errCode);
|
|
}
|
|
if (!old_dir.node_ops.rename) {
|
|
throw new FS.ErrnoError(63);
|
|
}
|
|
if (FS.isMountpoint(old_node) || (new_node && FS.isMountpoint(new_node))) {
|
|
throw new FS.ErrnoError(10);
|
|
}
|
|
// if we are going to change the parent, check write permissions
|
|
if (new_dir !== old_dir) {
|
|
errCode = FS.nodePermissions(old_dir, "w");
|
|
if (errCode) {
|
|
throw new FS.ErrnoError(errCode);
|
|
}
|
|
}
|
|
// remove the node from the lookup hash
|
|
FS.hashRemoveNode(old_node);
|
|
// do the underlying fs rename
|
|
try {
|
|
old_dir.node_ops.rename(old_node, new_dir, new_name);
|
|
// update old node (we do this here to avoid each backend
|
|
// needing to)
|
|
old_node.parent = new_dir;
|
|
} catch (e) {
|
|
throw e;
|
|
} finally {
|
|
// add the node back to the hash (in case node_ops.rename
|
|
// changed its name)
|
|
FS.hashAddNode(old_node);
|
|
}
|
|
},
|
|
rmdir(path) {
|
|
var lookup = FS.lookupPath(path, {
|
|
parent: true
|
|
});
|
|
var parent = lookup.node;
|
|
var name = PATH.basename(path);
|
|
var node = FS.lookupNode(parent, name);
|
|
var errCode = FS.mayDelete(parent, name, true);
|
|
if (errCode) {
|
|
throw new FS.ErrnoError(errCode);
|
|
}
|
|
if (!parent.node_ops.rmdir) {
|
|
throw new FS.ErrnoError(63);
|
|
}
|
|
if (FS.isMountpoint(node)) {
|
|
throw new FS.ErrnoError(10);
|
|
}
|
|
parent.node_ops.rmdir(parent, name);
|
|
FS.destroyNode(node);
|
|
},
|
|
readdir(path) {
|
|
var lookup = FS.lookupPath(path, {
|
|
follow: true
|
|
});
|
|
var node = lookup.node;
|
|
var readdir = FS.checkOpExists(node.node_ops.readdir, 54);
|
|
return readdir(node);
|
|
},
|
|
unlink(path) {
|
|
var lookup = FS.lookupPath(path, {
|
|
parent: true
|
|
});
|
|
var parent = lookup.node;
|
|
if (!parent) {
|
|
throw new FS.ErrnoError(44);
|
|
}
|
|
var name = PATH.basename(path);
|
|
var node = FS.lookupNode(parent, name);
|
|
var errCode = FS.mayDelete(parent, name, false);
|
|
if (errCode) {
|
|
// According to POSIX, we should map EISDIR to EPERM, but
|
|
// we instead do what Linux does (and we must, as we use
|
|
// the musl linux libc).
|
|
throw new FS.ErrnoError(errCode);
|
|
}
|
|
if (!parent.node_ops.unlink) {
|
|
throw new FS.ErrnoError(63);
|
|
}
|
|
if (FS.isMountpoint(node)) {
|
|
throw new FS.ErrnoError(10);
|
|
}
|
|
parent.node_ops.unlink(parent, name);
|
|
FS.destroyNode(node);
|
|
},
|
|
readlink(path) {
|
|
var lookup = FS.lookupPath(path);
|
|
var link = lookup.node;
|
|
if (!link) {
|
|
throw new FS.ErrnoError(44);
|
|
}
|
|
if (!link.node_ops.readlink) {
|
|
throw new FS.ErrnoError(28);
|
|
}
|
|
return link.node_ops.readlink(link);
|
|
},
|
|
stat(path, dontFollow) {
|
|
var lookup = FS.lookupPath(path, {
|
|
follow: !dontFollow
|
|
});
|
|
var node = lookup.node;
|
|
var getattr = FS.checkOpExists(node.node_ops.getattr, 63);
|
|
return getattr(node);
|
|
},
|
|
fstat(fd) {
|
|
var stream = FS.getStreamChecked(fd);
|
|
var node = stream.node;
|
|
var getattr = stream.stream_ops.getattr;
|
|
var arg = getattr ? stream : node;
|
|
getattr ??= node.node_ops.getattr;
|
|
FS.checkOpExists(getattr, 63);
|
|
return getattr(arg);
|
|
},
|
|
lstat(path) {
|
|
return FS.stat(path, true);
|
|
},
|
|
doChmod(stream, node, mode, dontFollow) {
|
|
FS.doSetAttr(stream, node, {
|
|
mode: (mode & 4095) | (node.mode & ~4095),
|
|
ctime: Date.now(),
|
|
dontFollow
|
|
});
|
|
},
|
|
chmod(path, mode, dontFollow) {
|
|
var node;
|
|
if (typeof path == "string") {
|
|
var lookup = FS.lookupPath(path, {
|
|
follow: !dontFollow
|
|
});
|
|
node = lookup.node;
|
|
} else {
|
|
node = path;
|
|
}
|
|
FS.doChmod(null, node, mode, dontFollow);
|
|
},
|
|
lchmod(path, mode) {
|
|
FS.chmod(path, mode, true);
|
|
},
|
|
fchmod(fd, mode) {
|
|
var stream = FS.getStreamChecked(fd);
|
|
FS.doChmod(stream, stream.node, mode, false);
|
|
},
|
|
doChown(stream, node, dontFollow) {
|
|
FS.doSetAttr(stream, node, {
|
|
timestamp: Date.now(),
|
|
dontFollow
|
|
});
|
|
},
|
|
chown(path, uid, gid, dontFollow) {
|
|
var node;
|
|
if (typeof path == "string") {
|
|
var lookup = FS.lookupPath(path, {
|
|
follow: !dontFollow
|
|
});
|
|
node = lookup.node;
|
|
} else {
|
|
node = path;
|
|
}
|
|
FS.doChown(null, node, dontFollow);
|
|
},
|
|
lchown(path, uid, gid) {
|
|
FS.chown(path, uid, gid, true);
|
|
},
|
|
fchown(fd, uid, gid) {
|
|
var stream = FS.getStreamChecked(fd);
|
|
FS.doChown(stream, stream.node, false);
|
|
},
|
|
doTruncate(stream, node, len) {
|
|
if (FS.isDir(node.mode)) {
|
|
throw new FS.ErrnoError(31);
|
|
}
|
|
if (!FS.isFile(node.mode)) {
|
|
throw new FS.ErrnoError(28);
|
|
}
|
|
var errCode = FS.nodePermissions(node, "w");
|
|
if (errCode) {
|
|
throw new FS.ErrnoError(errCode);
|
|
}
|
|
FS.doSetAttr(stream, node, {
|
|
size: len,
|
|
timestamp: Date.now()
|
|
});
|
|
},
|
|
truncate(path, len) {
|
|
if (len < 0) {
|
|
throw new FS.ErrnoError(28);
|
|
}
|
|
var node;
|
|
if (typeof path == "string") {
|
|
var lookup = FS.lookupPath(path, {
|
|
follow: true
|
|
});
|
|
node = lookup.node;
|
|
} else {
|
|
node = path;
|
|
}
|
|
FS.doTruncate(null, node, len);
|
|
},
|
|
ftruncate(fd, len) {
|
|
var stream = FS.getStreamChecked(fd);
|
|
if (len < 0 || (stream.flags & 2097155) === 0) {
|
|
throw new FS.ErrnoError(28);
|
|
}
|
|
FS.doTruncate(stream, stream.node, len);
|
|
},
|
|
utime(path, atime, mtime) {
|
|
var lookup = FS.lookupPath(path, {
|
|
follow: true
|
|
});
|
|
var node = lookup.node;
|
|
var setattr = FS.checkOpExists(node.node_ops.setattr, 63);
|
|
setattr(node, {
|
|
atime,
|
|
mtime
|
|
});
|
|
},
|
|
open(path, flags, mode = 438) {
|
|
if (path === "") {
|
|
throw new FS.ErrnoError(44);
|
|
}
|
|
flags = typeof flags == "string" ? FS_modeStringToFlags(flags) : flags;
|
|
if ((flags & 64)) {
|
|
mode = (mode & 4095) | 32768;
|
|
} else {
|
|
mode = 0;
|
|
}
|
|
var node;
|
|
var isDirPath;
|
|
if (typeof path == "object") {
|
|
node = path;
|
|
} else {
|
|
isDirPath = path.endsWith("/");
|
|
// noent_okay makes it so that if the final component of the path
|
|
// doesn't exist, lookupPath returns `node: undefined`. `path` will be
|
|
// updated to point to the target of all symlinks.
|
|
var lookup = FS.lookupPath(path, {
|
|
follow: !(flags & 131072),
|
|
noent_okay: true
|
|
});
|
|
node = lookup.node;
|
|
path = lookup.path;
|
|
}
|
|
// perhaps we need to create the node
|
|
var created = false;
|
|
if ((flags & 64)) {
|
|
if (node) {
|
|
// if O_CREAT and O_EXCL are set, error out if the node already exists
|
|
if ((flags & 128)) {
|
|
throw new FS.ErrnoError(20);
|
|
}
|
|
} else if (isDirPath) {
|
|
throw new FS.ErrnoError(31);
|
|
} else {
|
|
// node doesn't exist, try to create it
|
|
// Ignore the permission bits here to ensure we can `open` this new
|
|
// file below. We use chmod below the apply the permissions once the
|
|
// file is open.
|
|
node = FS.mknod(path, mode | 511, 0);
|
|
created = true;
|
|
}
|
|
}
|
|
if (!node) {
|
|
throw new FS.ErrnoError(44);
|
|
}
|
|
// can't truncate a device
|
|
if (FS.isChrdev(node.mode)) {
|
|
flags &= ~512;
|
|
}
|
|
// if asked only for a directory, then this must be one
|
|
if ((flags & 65536) && !FS.isDir(node.mode)) {
|
|
throw new FS.ErrnoError(54);
|
|
}
|
|
// check permissions, if this is not a file we just created now (it is ok to
|
|
// create and write to a file with read-only permissions; it is read-only
|
|
// for later use)
|
|
if (!created) {
|
|
var errCode = FS.mayOpen(node, flags);
|
|
if (errCode) {
|
|
throw new FS.ErrnoError(errCode);
|
|
}
|
|
}
|
|
// do truncation if necessary
|
|
if ((flags & 512) && !created) {
|
|
FS.truncate(node, 0);
|
|
}
|
|
// we've already handled these, don't pass down to the underlying vfs
|
|
flags &= ~(128 | 512 | 131072);
|
|
// register the stream with the filesystem
|
|
var stream = FS.createStream({
|
|
node,
|
|
path: FS.getPath(node),
|
|
// we want the absolute path to the node
|
|
flags,
|
|
seekable: true,
|
|
position: 0,
|
|
stream_ops: node.stream_ops,
|
|
// used by the file family libc calls (fopen, fwrite, ferror, etc.)
|
|
ungotten: [],
|
|
error: false
|
|
});
|
|
// call the new stream's open function
|
|
if (stream.stream_ops.open) {
|
|
stream.stream_ops.open(stream);
|
|
}
|
|
if (created) {
|
|
FS.chmod(node, mode & 511);
|
|
}
|
|
if (Module["logReadFiles"] && !(flags & 1)) {
|
|
if (!(path in FS.readFiles)) {
|
|
FS.readFiles[path] = 1;
|
|
}
|
|
}
|
|
return stream;
|
|
},
|
|
close(stream) {
|
|
if (FS.isClosed(stream)) {
|
|
throw new FS.ErrnoError(8);
|
|
}
|
|
if (stream.getdents) stream.getdents = null;
|
|
// free readdir state
|
|
try {
|
|
if (stream.stream_ops.close) {
|
|
stream.stream_ops.close(stream);
|
|
}
|
|
} catch (e) {
|
|
throw e;
|
|
} finally {
|
|
FS.closeStream(stream.fd);
|
|
}
|
|
stream.fd = null;
|
|
},
|
|
isClosed(stream) {
|
|
return stream.fd === null;
|
|
},
|
|
llseek(stream, offset, whence) {
|
|
if (FS.isClosed(stream)) {
|
|
throw new FS.ErrnoError(8);
|
|
}
|
|
if (!stream.seekable || !stream.stream_ops.llseek) {
|
|
throw new FS.ErrnoError(70);
|
|
}
|
|
if (whence != 0 && whence != 1 && whence != 2) {
|
|
throw new FS.ErrnoError(28);
|
|
}
|
|
stream.position = stream.stream_ops.llseek(stream, offset, whence);
|
|
stream.ungotten = [];
|
|
return stream.position;
|
|
},
|
|
read(stream, buffer, offset, length, position) {
|
|
assert(offset >= 0);
|
|
if (length < 0 || position < 0) {
|
|
throw new FS.ErrnoError(28);
|
|
}
|
|
if (FS.isClosed(stream)) {
|
|
throw new FS.ErrnoError(8);
|
|
}
|
|
if ((stream.flags & 2097155) === 1) {
|
|
throw new FS.ErrnoError(8);
|
|
}
|
|
if (FS.isDir(stream.node.mode)) {
|
|
throw new FS.ErrnoError(31);
|
|
}
|
|
if (!stream.stream_ops.read) {
|
|
throw new FS.ErrnoError(28);
|
|
}
|
|
var seeking = typeof position != "undefined";
|
|
if (!seeking) {
|
|
position = stream.position;
|
|
} else if (!stream.seekable) {
|
|
throw new FS.ErrnoError(70);
|
|
}
|
|
var bytesRead = stream.stream_ops.read(stream, buffer, offset, length, position);
|
|
if (!seeking) stream.position += bytesRead;
|
|
return bytesRead;
|
|
},
|
|
write(stream, buffer, offset, length, position, canOwn) {
|
|
assert(offset >= 0);
|
|
if (length < 0 || position < 0) {
|
|
throw new FS.ErrnoError(28);
|
|
}
|
|
if (FS.isClosed(stream)) {
|
|
throw new FS.ErrnoError(8);
|
|
}
|
|
if ((stream.flags & 2097155) === 0) {
|
|
throw new FS.ErrnoError(8);
|
|
}
|
|
if (FS.isDir(stream.node.mode)) {
|
|
throw new FS.ErrnoError(31);
|
|
}
|
|
if (!stream.stream_ops.write) {
|
|
throw new FS.ErrnoError(28);
|
|
}
|
|
if (stream.seekable && stream.flags & 1024) {
|
|
// seek to the end before writing in append mode
|
|
FS.llseek(stream, 0, 2);
|
|
}
|
|
var seeking = typeof position != "undefined";
|
|
if (!seeking) {
|
|
position = stream.position;
|
|
} else if (!stream.seekable) {
|
|
throw new FS.ErrnoError(70);
|
|
}
|
|
var bytesWritten = stream.stream_ops.write(stream, buffer, offset, length, position, canOwn);
|
|
if (!seeking) stream.position += bytesWritten;
|
|
return bytesWritten;
|
|
},
|
|
mmap(stream, length, position, prot, flags) {
|
|
// User requests writing to file (prot & PROT_WRITE != 0).
|
|
// Checking if we have permissions to write to the file unless
|
|
// MAP_PRIVATE flag is set. According to POSIX spec it is possible
|
|
// to write to file opened in read-only mode with MAP_PRIVATE flag,
|
|
// as all modifications will be visible only in the memory of
|
|
// the current process.
|
|
if ((prot & 2) !== 0 && (flags & 2) === 0 && (stream.flags & 2097155) !== 2) {
|
|
throw new FS.ErrnoError(2);
|
|
}
|
|
if ((stream.flags & 2097155) === 1) {
|
|
throw new FS.ErrnoError(2);
|
|
}
|
|
if (!stream.stream_ops.mmap) {
|
|
throw new FS.ErrnoError(43);
|
|
}
|
|
if (!length) {
|
|
throw new FS.ErrnoError(28);
|
|
}
|
|
return stream.stream_ops.mmap(stream, length, position, prot, flags);
|
|
},
|
|
msync(stream, buffer, offset, length, mmapFlags) {
|
|
assert(offset >= 0);
|
|
if (!stream.stream_ops.msync) {
|
|
return 0;
|
|
}
|
|
return stream.stream_ops.msync(stream, buffer, offset, length, mmapFlags);
|
|
},
|
|
ioctl(stream, cmd, arg) {
|
|
if (!stream.stream_ops.ioctl) {
|
|
throw new FS.ErrnoError(59);
|
|
}
|
|
return stream.stream_ops.ioctl(stream, cmd, arg);
|
|
},
|
|
readFile(path, opts = {}) {
|
|
opts.flags = opts.flags || 0;
|
|
opts.encoding = opts.encoding || "binary";
|
|
if (opts.encoding !== "utf8" && opts.encoding !== "binary") {
|
|
throw new Error(`Invalid encoding type "${opts.encoding}"`);
|
|
}
|
|
var 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);
|
|
} else if (opts.encoding === "binary") {
|
|
ret = buf;
|
|
}
|
|
FS.close(stream);
|
|
return ret;
|
|
},
|
|
writeFile(path, data, opts = {}) {
|
|
opts.flags = opts.flags || 577;
|
|
var stream = FS.open(path, opts.flags, opts.mode);
|
|
if (typeof data == "string") {
|
|
var buf = new Uint8Array(lengthBytesUTF8(data) + 1);
|
|
var actualNumBytes = stringToUTF8Array(data, buf, 0, buf.length);
|
|
FS.write(stream, buf, 0, actualNumBytes, undefined, opts.canOwn);
|
|
} else if (ArrayBuffer.isView(data)) {
|
|
FS.write(stream, data, 0, data.byteLength, undefined, opts.canOwn);
|
|
} else {
|
|
throw new Error("Unsupported data type");
|
|
}
|
|
FS.close(stream);
|
|
},
|
|
cwd: () => FS.currentPath,
|
|
chdir(path) {
|
|
var lookup = FS.lookupPath(path, {
|
|
follow: true
|
|
});
|
|
if (lookup.node === null) {
|
|
throw new FS.ErrnoError(44);
|
|
}
|
|
if (!FS.isDir(lookup.node.mode)) {
|
|
throw new FS.ErrnoError(54);
|
|
}
|
|
var errCode = FS.nodePermissions(lookup.node, "x");
|
|
if (errCode) {
|
|
throw new FS.ErrnoError(errCode);
|
|
}
|
|
FS.currentPath = lookup.path;
|
|
},
|
|
createDefaultDirectories() {
|
|
FS.mkdir("/tmp");
|
|
FS.mkdir("/home");
|
|
FS.mkdir("/home/web_user");
|
|
},
|
|
createDefaultDevices() {
|
|
// create /dev
|
|
FS.mkdir("/dev");
|
|
// setup /dev/null
|
|
FS.registerDevice(FS.makedev(1, 3), {
|
|
read: () => 0,
|
|
write: (stream, buffer, offset, length, pos) => length,
|
|
llseek: () => 0
|
|
});
|
|
FS.mkdev("/dev/null", FS.makedev(1, 3));
|
|
// setup /dev/tty and /dev/tty1
|
|
// stderr needs to print output using err() rather than out()
|
|
// so we register a second tty just for it.
|
|
TTY.register(FS.makedev(5, 0), TTY.default_tty_ops);
|
|
TTY.register(FS.makedev(6, 0), TTY.default_tty1_ops);
|
|
FS.mkdev("/dev/tty", FS.makedev(5, 0));
|
|
FS.mkdev("/dev/tty1", FS.makedev(6, 0));
|
|
// setup /dev/[u]random
|
|
// use a buffer to avoid overhead of individual crypto calls per byte
|
|
var randomBuffer = new Uint8Array(1024), randomLeft = 0;
|
|
var randomByte = () => {
|
|
if (randomLeft === 0) {
|
|
randomFill(randomBuffer);
|
|
randomLeft = randomBuffer.byteLength;
|
|
}
|
|
return randomBuffer[--randomLeft];
|
|
};
|
|
FS.createDevice("/dev", "random", randomByte);
|
|
FS.createDevice("/dev", "urandom", randomByte);
|
|
// we're not going to emulate the actual shm device,
|
|
// just create the tmp dirs that reside in it commonly
|
|
FS.mkdir("/dev/shm");
|
|
FS.mkdir("/dev/shm/tmp");
|
|
},
|
|
createSpecialDirectories() {
|
|
// create /proc/self/fd which allows /proc/self/fd/6 => readlink gives the
|
|
// name of the stream for fd 6 (see test_unistd_ttyname)
|
|
FS.mkdir("/proc");
|
|
var proc_self = FS.mkdir("/proc/self");
|
|
FS.mkdir("/proc/self/fd");
|
|
FS.mount({
|
|
mount() {
|
|
var node = FS.createNode(proc_self, "fd", 16895, 73);
|
|
node.stream_ops = {
|
|
llseek: MEMFS.stream_ops.llseek
|
|
};
|
|
node.node_ops = {
|
|
lookup(parent, name) {
|
|
var fd = +name;
|
|
var stream = FS.getStreamChecked(fd);
|
|
var ret = {
|
|
parent: null,
|
|
mount: {
|
|
mountpoint: "fake"
|
|
},
|
|
node_ops: {
|
|
readlink: () => stream.path
|
|
},
|
|
id: fd + 1
|
|
};
|
|
ret.parent = ret;
|
|
// make it look like a simple root node
|
|
return ret;
|
|
},
|
|
readdir() {
|
|
return Array.from(FS.streams.entries()).filter(([k, v]) => v).map(([k, v]) => k.toString());
|
|
}
|
|
};
|
|
return node;
|
|
}
|
|
}, {}, "/proc/self/fd");
|
|
},
|
|
createStandardStreams(input, output, error) {
|
|
// TODO deprecate the old functionality of a single
|
|
// input / output callback and that utilizes FS.createDevice
|
|
// and instead require a unique set of stream ops
|
|
// by default, we symlink the standard streams to the
|
|
// default tty devices. however, if the standard streams
|
|
// have been overwritten we create a unique device for
|
|
// them instead.
|
|
if (input) {
|
|
FS.createDevice("/dev", "stdin", input);
|
|
} else {
|
|
FS.symlink("/dev/tty", "/dev/stdin");
|
|
}
|
|
if (output) {
|
|
FS.createDevice("/dev", "stdout", null, output);
|
|
} else {
|
|
FS.symlink("/dev/tty", "/dev/stdout");
|
|
}
|
|
if (error) {
|
|
FS.createDevice("/dev", "stderr", null, error);
|
|
} else {
|
|
FS.symlink("/dev/tty1", "/dev/stderr");
|
|
}
|
|
// open default streams for the stdin, stdout and stderr devices
|
|
var stdin = FS.open("/dev/stdin", 0);
|
|
var stdout = FS.open("/dev/stdout", 1);
|
|
var stderr = FS.open("/dev/stderr", 1);
|
|
assert(stdin.fd === 0, `invalid handle for stdin (${stdin.fd})`);
|
|
assert(stdout.fd === 1, `invalid handle for stdout (${stdout.fd})`);
|
|
assert(stderr.fd === 2, `invalid handle for stderr (${stderr.fd})`);
|
|
},
|
|
staticInit() {
|
|
FS.nameTable = new Array(4096);
|
|
FS.mount(MEMFS, {}, "/");
|
|
FS.createDefaultDirectories();
|
|
FS.createDefaultDevices();
|
|
FS.createSpecialDirectories();
|
|
FS.filesystems = {
|
|
"MEMFS": MEMFS
|
|
};
|
|
},
|
|
init(input, output, error) {
|
|
assert(!FS.initialized, "FS.init was previously called. If you want to initialize later with custom parameters, remove any earlier calls (note that one is automatically added to the generated code)");
|
|
FS.initialized = true;
|
|
// Allow Module.stdin etc. to provide defaults, if none explicitly passed to us here
|
|
input ??= Module["stdin"];
|
|
output ??= Module["stdout"];
|
|
error ??= Module["stderr"];
|
|
FS.createStandardStreams(input, output, error);
|
|
},
|
|
quit() {
|
|
FS.initialized = false;
|
|
// force-flush all streams, so we get musl std streams printed out
|
|
_fflush(0);
|
|
// close all of our streams
|
|
for (var stream of FS.streams) {
|
|
if (stream) {
|
|
FS.close(stream);
|
|
}
|
|
}
|
|
},
|
|
findObject(path, dontResolveLastLink) {
|
|
var ret = FS.analyzePath(path, dontResolveLastLink);
|
|
if (!ret.exists) {
|
|
return null;
|
|
}
|
|
return ret.object;
|
|
},
|
|
analyzePath(path, dontResolveLastLink) {
|
|
// operate from within the context of the symlink's target
|
|
try {
|
|
var lookup = FS.lookupPath(path, {
|
|
follow: !dontResolveLastLink
|
|
});
|
|
path = lookup.path;
|
|
} catch (e) {}
|
|
var ret = {
|
|
isRoot: false,
|
|
exists: false,
|
|
error: 0,
|
|
name: null,
|
|
path: null,
|
|
object: null,
|
|
parentExists: false,
|
|
parentPath: null,
|
|
parentObject: null
|
|
};
|
|
try {
|
|
var lookup = FS.lookupPath(path, {
|
|
parent: true
|
|
});
|
|
ret.parentExists = true;
|
|
ret.parentPath = lookup.path;
|
|
ret.parentObject = lookup.node;
|
|
ret.name = PATH.basename(path);
|
|
lookup = FS.lookupPath(path, {
|
|
follow: !dontResolveLastLink
|
|
});
|
|
ret.exists = true;
|
|
ret.path = lookup.path;
|
|
ret.object = lookup.node;
|
|
ret.name = lookup.node.name;
|
|
ret.isRoot = lookup.path === "/";
|
|
} catch (e) {
|
|
ret.error = e.errno;
|
|
}
|
|
return ret;
|
|
},
|
|
createPath(parent, path, canRead, canWrite) {
|
|
parent = typeof parent == "string" ? parent : FS.getPath(parent);
|
|
var parts = path.split("/").reverse();
|
|
while (parts.length) {
|
|
var part = parts.pop();
|
|
if (!part) continue;
|
|
var current = PATH.join2(parent, part);
|
|
try {
|
|
FS.mkdir(current);
|
|
} catch (e) {
|
|
if (e.errno != 20) throw e;
|
|
}
|
|
parent = current;
|
|
}
|
|
return current;
|
|
},
|
|
createFile(parent, name, properties, canRead, canWrite) {
|
|
var path = PATH.join2(typeof parent == "string" ? parent : FS.getPath(parent), name);
|
|
var mode = FS_getMode(canRead, canWrite);
|
|
return FS.create(path, mode);
|
|
},
|
|
createDataFile(parent, name, data, canRead, canWrite, canOwn) {
|
|
var path = name;
|
|
if (parent) {
|
|
parent = typeof parent == "string" ? parent : FS.getPath(parent);
|
|
path = name ? PATH.join2(parent, name) : parent;
|
|
}
|
|
var mode = FS_getMode(canRead, canWrite);
|
|
var node = FS.create(path, mode);
|
|
if (data) {
|
|
if (typeof data == "string") {
|
|
var arr = new Array(data.length);
|
|
for (var i = 0, len = data.length; i < len; ++i) arr[i] = data.charCodeAt(i);
|
|
data = arr;
|
|
}
|
|
// make sure we can write to the file
|
|
FS.chmod(node, mode | 146);
|
|
var stream = FS.open(node, 577);
|
|
FS.write(stream, data, 0, data.length, 0, canOwn);
|
|
FS.close(stream);
|
|
FS.chmod(node, mode);
|
|
}
|
|
},
|
|
createDevice(parent, name, input, output) {
|
|
var path = PATH.join2(typeof parent == "string" ? parent : FS.getPath(parent), name);
|
|
var mode = FS_getMode(!!input, !!output);
|
|
FS.createDevice.major ??= 64;
|
|
var dev = FS.makedev(FS.createDevice.major++, 0);
|
|
// Create a fake device that a set of stream ops to emulate
|
|
// the old behavior.
|
|
FS.registerDevice(dev, {
|
|
open(stream) {
|
|
stream.seekable = false;
|
|
},
|
|
close(stream) {
|
|
// flush any pending line data
|
|
if (output?.buffer?.length) {
|
|
output(10);
|
|
}
|
|
},
|
|
read(stream, buffer, offset, length, pos) {
|
|
var bytesRead = 0;
|
|
for (var i = 0; i < length; i++) {
|
|
var result;
|
|
try {
|
|
result = input();
|
|
} catch (e) {
|
|
throw new FS.ErrnoError(29);
|
|
}
|
|
if (result === undefined && bytesRead === 0) {
|
|
throw new FS.ErrnoError(6);
|
|
}
|
|
if (result === null || result === undefined) break;
|
|
bytesRead++;
|
|
buffer[offset + i] = result;
|
|
}
|
|
if (bytesRead) {
|
|
stream.node.atime = Date.now();
|
|
}
|
|
return bytesRead;
|
|
},
|
|
write(stream, buffer, offset, length, pos) {
|
|
for (var i = 0; i < length; i++) {
|
|
try {
|
|
output(buffer[offset + i]);
|
|
} catch (e) {
|
|
throw new FS.ErrnoError(29);
|
|
}
|
|
}
|
|
if (length) {
|
|
stream.node.mtime = stream.node.ctime = Date.now();
|
|
}
|
|
return i;
|
|
}
|
|
});
|
|
return FS.mkdev(path, mode, dev);
|
|
},
|
|
forceLoadFile(obj) {
|
|
if (obj.isDevice || obj.isFolder || obj.link || obj.contents) return true;
|
|
if (typeof XMLHttpRequest != "undefined") {
|
|
throw new Error("Lazy loading should have been performed (contents set) in createLazyFile, but it was not. Lazy loading only works in web workers. Use --embed-file or --preload-file in emcc on the main thread.");
|
|
} else {
|
|
// Command-line.
|
|
try {
|
|
obj.contents = readBinary(obj.url);
|
|
obj.usedBytes = obj.contents.length;
|
|
} catch (e) {
|
|
throw new FS.ErrnoError(29);
|
|
}
|
|
}
|
|
},
|
|
createLazyFile(parent, name, url, canRead, canWrite) {
|
|
// Lazy chunked Uint8Array (implements get and length from Uint8Array).
|
|
// Actual getting is abstracted away for eventual reuse.
|
|
class LazyUint8Array {
|
|
lengthKnown=false;
|
|
chunks=[];
|
|
// Loaded chunks. Index is the chunk number
|
|
get(idx) {
|
|
if (idx > this.length - 1 || idx < 0) {
|
|
return undefined;
|
|
}
|
|
var chunkOffset = idx % this.chunkSize;
|
|
var chunkNum = (idx / this.chunkSize) | 0;
|
|
return this.getter(chunkNum)[chunkOffset];
|
|
}
|
|
setDataGetter(getter) {
|
|
this.getter = getter;
|
|
}
|
|
cacheLength() {
|
|
// Find length
|
|
var xhr = new XMLHttpRequest;
|
|
xhr.open("HEAD", url, false);
|
|
xhr.send(null);
|
|
if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) throw new Error("Couldn't load " + url + ". Status: " + xhr.status);
|
|
var datalength = Number(xhr.getResponseHeader("Content-length"));
|
|
var header;
|
|
var hasByteServing = (header = xhr.getResponseHeader("Accept-Ranges")) && header === "bytes";
|
|
var usesGzip = (header = xhr.getResponseHeader("Content-Encoding")) && header === "gzip";
|
|
var chunkSize = 1024 * 1024;
|
|
// Chunk size in bytes
|
|
if (!hasByteServing) chunkSize = datalength;
|
|
// Function to get a range from the remote URL.
|
|
var doXHR = (from, to) => {
|
|
if (from > to) throw new Error("invalid range (" + from + ", " + to + ") or no bytes requested!");
|
|
if (to > datalength - 1) throw new Error("only " + datalength + " bytes available! programmer error!");
|
|
// TODO: Use mozResponseArrayBuffer, responseStream, etc. if available.
|
|
var xhr = new XMLHttpRequest;
|
|
xhr.open("GET", url, false);
|
|
if (datalength !== chunkSize) xhr.setRequestHeader("Range", "bytes=" + from + "-" + to);
|
|
// Some hints to the browser that we want binary data.
|
|
xhr.responseType = "arraybuffer";
|
|
if (xhr.overrideMimeType) {
|
|
xhr.overrideMimeType("text/plain; charset=x-user-defined");
|
|
}
|
|
xhr.send(null);
|
|
if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) throw new Error("Couldn't load " + url + ". Status: " + xhr.status);
|
|
if (xhr.response !== undefined) {
|
|
return new Uint8Array(/** @type{Array<number>} */ (xhr.response || []));
|
|
}
|
|
return intArrayFromString(xhr.responseText || "", true);
|
|
};
|
|
var lazyArray = this;
|
|
lazyArray.setDataGetter(chunkNum => {
|
|
var start = chunkNum * chunkSize;
|
|
var end = (chunkNum + 1) * chunkSize - 1;
|
|
// including this byte
|
|
end = Math.min(end, datalength - 1);
|
|
// if datalength-1 is selected, this is the last block
|
|
if (typeof lazyArray.chunks[chunkNum] == "undefined") {
|
|
lazyArray.chunks[chunkNum] = doXHR(start, end);
|
|
}
|
|
if (typeof lazyArray.chunks[chunkNum] == "undefined") throw new Error("doXHR failed!");
|
|
return lazyArray.chunks[chunkNum];
|
|
});
|
|
if (usesGzip || !datalength) {
|
|
// if the server uses gzip or doesn't supply the length, we have to download the whole file to get the (uncompressed) length
|
|
chunkSize = datalength = 1;
|
|
// this will force getter(0)/doXHR do download the whole file
|
|
datalength = this.getter(0).length;
|
|
chunkSize = datalength;
|
|
out("LazyFiles on gzip forces download of the whole file when length is accessed");
|
|
}
|
|
this._length = datalength;
|
|
this._chunkSize = chunkSize;
|
|
this.lengthKnown = true;
|
|
}
|
|
get length() {
|
|
if (!this.lengthKnown) {
|
|
this.cacheLength();
|
|
}
|
|
return this._length;
|
|
}
|
|
get chunkSize() {
|
|
if (!this.lengthKnown) {
|
|
this.cacheLength();
|
|
}
|
|
return this._chunkSize;
|
|
}
|
|
}
|
|
if (typeof XMLHttpRequest != "undefined") {
|
|
if (!ENVIRONMENT_IS_WORKER) throw "Cannot do synchronous binary XHRs outside webworkers in modern browsers. Use --embed-file or --preload-file in emcc";
|
|
var lazyArray = new LazyUint8Array;
|
|
var properties = {
|
|
isDevice: false,
|
|
contents: lazyArray
|
|
};
|
|
} else {
|
|
var properties = {
|
|
isDevice: false,
|
|
url
|
|
};
|
|
}
|
|
var node = FS.createFile(parent, name, properties, canRead, canWrite);
|
|
// This is a total hack, but I want to get this lazy file code out of the
|
|
// core of MEMFS. If we want to keep this lazy file concept I feel it should
|
|
// be its own thin LAZYFS proxying calls to MEMFS.
|
|
if (properties.contents) {
|
|
node.contents = properties.contents;
|
|
} else if (properties.url) {
|
|
node.contents = null;
|
|
node.url = properties.url;
|
|
}
|
|
// Add a function that defers querying the file size until it is asked the first time.
|
|
Object.defineProperties(node, {
|
|
usedBytes: {
|
|
get: function() {
|
|
return this.contents.length;
|
|
}
|
|
}
|
|
});
|
|
// override each stream op with one that tries to force load the lazy file first
|
|
var stream_ops = {};
|
|
var keys = Object.keys(node.stream_ops);
|
|
keys.forEach(key => {
|
|
var fn = node.stream_ops[key];
|
|
stream_ops[key] = (...args) => {
|
|
FS.forceLoadFile(node);
|
|
return fn(...args);
|
|
};
|
|
});
|
|
function writeChunks(stream, buffer, offset, length, position) {
|
|
var contents = stream.node.contents;
|
|
if (position >= contents.length) return 0;
|
|
var size = Math.min(contents.length - position, length);
|
|
assert(size >= 0);
|
|
if (contents.slice) {
|
|
// normal array
|
|
for (var i = 0; i < size; i++) {
|
|
buffer[offset + i] = contents[position + i];
|
|
}
|
|
} else {
|
|
for (var i = 0; i < size; i++) {
|
|
// LazyUint8Array from sync binary XHR
|
|
buffer[offset + i] = contents.get(position + i);
|
|
}
|
|
}
|
|
return size;
|
|
}
|
|
// use a custom read function
|
|
stream_ops.read = (stream, buffer, offset, length, position) => {
|
|
FS.forceLoadFile(node);
|
|
return writeChunks(stream, buffer, offset, length, position);
|
|
};
|
|
// use a custom mmap function
|
|
stream_ops.mmap = (stream, length, position, prot, flags) => {
|
|
FS.forceLoadFile(node);
|
|
var ptr = mmapAlloc(length);
|
|
if (!ptr) {
|
|
throw new FS.ErrnoError(48);
|
|
}
|
|
writeChunks(stream, GROWABLE_HEAP_I8(), ptr, length, position);
|
|
return {
|
|
ptr,
|
|
allocated: true
|
|
};
|
|
};
|
|
node.stream_ops = stream_ops;
|
|
return node;
|
|
},
|
|
absolutePath() {
|
|
abort("FS.absolutePath has been removed; use PATH_FS.resolve instead");
|
|
},
|
|
createFolder() {
|
|
abort("FS.createFolder has been removed; use FS.mkdir instead");
|
|
},
|
|
createLink() {
|
|
abort("FS.createLink has been removed; use FS.symlink instead");
|
|
},
|
|
joinPath() {
|
|
abort("FS.joinPath has been removed; use PATH.join instead");
|
|
},
|
|
mmapAlloc() {
|
|
abort("FS.mmapAlloc has been replaced by the top level function mmapAlloc");
|
|
},
|
|
standardizePath() {
|
|
abort("FS.standardizePath has been removed; use PATH.normalize instead");
|
|
}
|
|
};
|
|
|
|
var SYSCALLS = {
|
|
DEFAULT_POLLMASK: 5,
|
|
calculateAt(dirfd, path, allowEmpty) {
|
|
if (PATH.isAbs(path)) {
|
|
return path;
|
|
}
|
|
// relative path
|
|
var dir;
|
|
if (dirfd === -100) {
|
|
dir = FS.cwd();
|
|
} else {
|
|
var dirstream = SYSCALLS.getStreamFromFD(dirfd);
|
|
dir = dirstream.path;
|
|
}
|
|
if (path.length == 0) {
|
|
if (!allowEmpty) {
|
|
throw new FS.ErrnoError(44);
|
|
}
|
|
return dir;
|
|
}
|
|
return dir + "/" + path;
|
|
},
|
|
writeStat(buf, stat) {
|
|
GROWABLE_HEAP_I32()[((buf) >> 2)] = stat.dev;
|
|
GROWABLE_HEAP_I32()[(((buf) + (4)) >> 2)] = stat.mode;
|
|
GROWABLE_HEAP_U32()[(((buf) + (8)) >> 2)] = stat.nlink;
|
|
GROWABLE_HEAP_I32()[(((buf) + (12)) >> 2)] = stat.uid;
|
|
GROWABLE_HEAP_I32()[(((buf) + (16)) >> 2)] = stat.gid;
|
|
GROWABLE_HEAP_I32()[(((buf) + (20)) >> 2)] = stat.rdev;
|
|
HEAP64[(((buf) + (24)) >> 3)] = BigInt(stat.size);
|
|
GROWABLE_HEAP_I32()[(((buf) + (32)) >> 2)] = 4096;
|
|
GROWABLE_HEAP_I32()[(((buf) + (36)) >> 2)] = stat.blocks;
|
|
var atime = stat.atime.getTime();
|
|
var mtime = stat.mtime.getTime();
|
|
var ctime = stat.ctime.getTime();
|
|
HEAP64[(((buf) + (40)) >> 3)] = BigInt(Math.floor(atime / 1e3));
|
|
GROWABLE_HEAP_U32()[(((buf) + (48)) >> 2)] = (atime % 1e3) * 1e3 * 1e3;
|
|
HEAP64[(((buf) + (56)) >> 3)] = BigInt(Math.floor(mtime / 1e3));
|
|
GROWABLE_HEAP_U32()[(((buf) + (64)) >> 2)] = (mtime % 1e3) * 1e3 * 1e3;
|
|
HEAP64[(((buf) + (72)) >> 3)] = BigInt(Math.floor(ctime / 1e3));
|
|
GROWABLE_HEAP_U32()[(((buf) + (80)) >> 2)] = (ctime % 1e3) * 1e3 * 1e3;
|
|
HEAP64[(((buf) + (88)) >> 3)] = BigInt(stat.ino);
|
|
return 0;
|
|
},
|
|
writeStatFs(buf, stats) {
|
|
GROWABLE_HEAP_I32()[(((buf) + (4)) >> 2)] = stats.bsize;
|
|
GROWABLE_HEAP_I32()[(((buf) + (40)) >> 2)] = stats.bsize;
|
|
GROWABLE_HEAP_I32()[(((buf) + (8)) >> 2)] = stats.blocks;
|
|
GROWABLE_HEAP_I32()[(((buf) + (12)) >> 2)] = stats.bfree;
|
|
GROWABLE_HEAP_I32()[(((buf) + (16)) >> 2)] = stats.bavail;
|
|
GROWABLE_HEAP_I32()[(((buf) + (20)) >> 2)] = stats.files;
|
|
GROWABLE_HEAP_I32()[(((buf) + (24)) >> 2)] = stats.ffree;
|
|
GROWABLE_HEAP_I32()[(((buf) + (28)) >> 2)] = stats.fsid;
|
|
GROWABLE_HEAP_I32()[(((buf) + (44)) >> 2)] = stats.flags;
|
|
// ST_NOSUID
|
|
GROWABLE_HEAP_I32()[(((buf) + (36)) >> 2)] = stats.namelen;
|
|
},
|
|
doMsync(addr, stream, len, flags, offset) {
|
|
if (!FS.isFile(stream.node.mode)) {
|
|
throw new FS.ErrnoError(43);
|
|
}
|
|
if (flags & 2) {
|
|
// MAP_PRIVATE calls need not to be synced back to underlying fs
|
|
return 0;
|
|
}
|
|
var buffer = GROWABLE_HEAP_U8().slice(addr, addr + len);
|
|
FS.msync(stream, buffer, offset, len, flags);
|
|
},
|
|
getStreamFromFD(fd) {
|
|
var stream = FS.getStreamChecked(fd);
|
|
return stream;
|
|
},
|
|
varargs: undefined,
|
|
getStr(ptr) {
|
|
var ret = UTF8ToString(ptr);
|
|
return ret;
|
|
}
|
|
};
|
|
|
|
function ___syscall_fcntl64(fd, cmd, varargs) {
|
|
if (ENVIRONMENT_IS_PTHREAD) return proxyToMainThread(3, 0, 1, fd, cmd, varargs);
|
|
SYSCALLS.varargs = varargs;
|
|
try {
|
|
var stream = SYSCALLS.getStreamFromFD(fd);
|
|
switch (cmd) {
|
|
case 0:
|
|
{
|
|
var arg = syscallGetVarargI();
|
|
if (arg < 0) {
|
|
return -28;
|
|
}
|
|
while (FS.streams[arg]) {
|
|
arg++;
|
|
}
|
|
var newStream;
|
|
newStream = FS.dupStream(stream, arg);
|
|
return newStream.fd;
|
|
}
|
|
|
|
case 1:
|
|
case 2:
|
|
return 0;
|
|
|
|
// FD_CLOEXEC makes no sense for a single process.
|
|
case 3:
|
|
return stream.flags;
|
|
|
|
case 4:
|
|
{
|
|
var arg = syscallGetVarargI();
|
|
stream.flags |= arg;
|
|
return 0;
|
|
}
|
|
|
|
case 12:
|
|
{
|
|
var arg = syscallGetVarargP();
|
|
var offset = 0;
|
|
// We're always unlocked.
|
|
GROWABLE_HEAP_I16()[(((arg) + (offset)) >> 1)] = 2;
|
|
return 0;
|
|
}
|
|
|
|
case 13:
|
|
case 14:
|
|
// Pretend that the locking is successful. These are process-level locks,
|
|
// and Emscripten programs are a single process. If we supported linking a
|
|
// filesystem between programs, we'd need to do more here.
|
|
// See https://github.com/emscripten-core/emscripten/issues/23697
|
|
return 0;
|
|
}
|
|
return -28;
|
|
} catch (e) {
|
|
if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
|
|
return -e.errno;
|
|
}
|
|
}
|
|
|
|
function ___syscall_fstat64(fd, buf) {
|
|
if (ENVIRONMENT_IS_PTHREAD) return proxyToMainThread(4, 0, 1, fd, buf);
|
|
try {
|
|
return SYSCALLS.writeStat(buf, FS.fstat(fd));
|
|
} catch (e) {
|
|
if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
|
|
return -e.errno;
|
|
}
|
|
}
|
|
|
|
function ___syscall_openat(dirfd, path, flags, varargs) {
|
|
if (ENVIRONMENT_IS_PTHREAD) return proxyToMainThread(5, 0, 1, dirfd, path, flags, varargs);
|
|
SYSCALLS.varargs = varargs;
|
|
try {
|
|
path = SYSCALLS.getStr(path);
|
|
path = SYSCALLS.calculateAt(dirfd, path);
|
|
var mode = varargs ? syscallGetVarargI() : 0;
|
|
return FS.open(path, flags, mode).fd;
|
|
} catch (e) {
|
|
if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
|
|
return -e.errno;
|
|
}
|
|
}
|
|
|
|
var __abort_js = () => abort("native code called abort()");
|
|
|
|
var embindRepr = v => {
|
|
if (v === null) {
|
|
return "null";
|
|
}
|
|
var t = typeof v;
|
|
if (t === "object" || t === "array" || t === "function") {
|
|
return v.toString();
|
|
} else {
|
|
return "" + v;
|
|
}
|
|
};
|
|
|
|
var embind_init_charCodes = () => {
|
|
var codes = new Array(256);
|
|
for (var i = 0; i < 256; ++i) {
|
|
codes[i] = String.fromCharCode(i);
|
|
}
|
|
embind_charCodes = codes;
|
|
};
|
|
|
|
var embind_charCodes;
|
|
|
|
var readLatin1String = ptr => {
|
|
var ret = "";
|
|
var c = ptr;
|
|
while (GROWABLE_HEAP_U8()[c]) {
|
|
ret += embind_charCodes[GROWABLE_HEAP_U8()[c++]];
|
|
}
|
|
return ret;
|
|
};
|
|
|
|
var awaitingDependencies = {};
|
|
|
|
var registeredTypes = {};
|
|
|
|
var typeDependencies = {};
|
|
|
|
var BindingError = Module["BindingError"] = class BindingError extends Error {
|
|
constructor(message) {
|
|
super(message);
|
|
this.name = "BindingError";
|
|
}
|
|
};
|
|
|
|
var throwBindingError = message => {
|
|
throw new BindingError(message);
|
|
};
|
|
|
|
/** @param {Object=} options */ function sharedRegisterType(rawType, registeredInstance, options = {}) {
|
|
var name = registeredInstance.name;
|
|
if (!rawType) {
|
|
throwBindingError(`type "${name}" must have a positive integer typeid pointer`);
|
|
}
|
|
if (registeredTypes.hasOwnProperty(rawType)) {
|
|
if (options.ignoreDuplicateRegistrations) {
|
|
return;
|
|
} else {
|
|
throwBindingError(`Cannot register type '${name}' twice`);
|
|
}
|
|
}
|
|
registeredTypes[rawType] = registeredInstance;
|
|
delete typeDependencies[rawType];
|
|
if (awaitingDependencies.hasOwnProperty(rawType)) {
|
|
var callbacks = awaitingDependencies[rawType];
|
|
delete awaitingDependencies[rawType];
|
|
callbacks.forEach(cb => cb());
|
|
}
|
|
}
|
|
|
|
/** @param {Object=} options */ function registerType(rawType, registeredInstance, options = {}) {
|
|
if (registeredInstance.argPackAdvance === undefined) {
|
|
throw new TypeError("registerType registeredInstance requires argPackAdvance");
|
|
}
|
|
return sharedRegisterType(rawType, registeredInstance, options);
|
|
}
|
|
|
|
var integerReadValueFromPointer = (name, width, signed) => {
|
|
// integers are quite common, so generate very specialized functions
|
|
switch (width) {
|
|
case 1:
|
|
return signed ? pointer => GROWABLE_HEAP_I8()[pointer] : pointer => GROWABLE_HEAP_U8()[pointer];
|
|
|
|
case 2:
|
|
return signed ? pointer => GROWABLE_HEAP_I16()[((pointer) >> 1)] : pointer => GROWABLE_HEAP_U16()[((pointer) >> 1)];
|
|
|
|
case 4:
|
|
return signed ? pointer => GROWABLE_HEAP_I32()[((pointer) >> 2)] : pointer => GROWABLE_HEAP_U32()[((pointer) >> 2)];
|
|
|
|
case 8:
|
|
return signed ? pointer => HEAP64[((pointer) >> 3)] : pointer => HEAPU64[((pointer) >> 3)];
|
|
|
|
default:
|
|
throw new TypeError(`invalid integer width (${width}): ${name}`);
|
|
}
|
|
};
|
|
|
|
/** @suppress {globalThis} */ var __embind_register_bigint = (primitiveType, name, size, minRange, maxRange) => {
|
|
name = readLatin1String(name);
|
|
var isUnsignedType = (name.indexOf("u") != -1);
|
|
// maxRange comes through as -1 for uint64_t (see issue 13902). Work around that temporarily
|
|
if (isUnsignedType) {
|
|
maxRange = (1n << 64n) - 1n;
|
|
}
|
|
registerType(primitiveType, {
|
|
name,
|
|
"fromWireType": value => value,
|
|
"toWireType": function(destructors, value) {
|
|
if (typeof value != "bigint" && typeof value != "number") {
|
|
throw new TypeError(`Cannot convert "${embindRepr(value)}" to ${this.name}`);
|
|
}
|
|
if (typeof value == "number") {
|
|
value = BigInt(value);
|
|
}
|
|
if (value < minRange || value > maxRange) {
|
|
throw new TypeError(`Passing a number "${embindRepr(value)}" from JS side to C/C++ side to an argument of type "${name}", which is outside the valid range [${minRange}, ${maxRange}]!`);
|
|
}
|
|
return value;
|
|
},
|
|
argPackAdvance: GenericWireTypeSize,
|
|
"readValueFromPointer": integerReadValueFromPointer(name, size, !isUnsignedType),
|
|
destructorFunction: null
|
|
});
|
|
};
|
|
|
|
var GenericWireTypeSize = 8;
|
|
|
|
/** @suppress {globalThis} */ var __embind_register_bool = (rawType, name, trueValue, falseValue) => {
|
|
name = readLatin1String(name);
|
|
registerType(rawType, {
|
|
name,
|
|
"fromWireType": function(wt) {
|
|
// ambiguous emscripten ABI: sometimes return values are
|
|
// true or false, and sometimes integers (0 or 1)
|
|
return !!wt;
|
|
},
|
|
"toWireType": function(destructors, o) {
|
|
return o ? trueValue : falseValue;
|
|
},
|
|
argPackAdvance: GenericWireTypeSize,
|
|
"readValueFromPointer": function(pointer) {
|
|
return this["fromWireType"](GROWABLE_HEAP_U8()[pointer]);
|
|
},
|
|
destructorFunction: null
|
|
});
|
|
};
|
|
|
|
var emval_freelist = [];
|
|
|
|
var emval_handles = [];
|
|
|
|
var __emval_decref = handle => {
|
|
if (handle > 9 && 0 === --emval_handles[handle + 1]) {
|
|
assert(emval_handles[handle] !== undefined, `Decref for unallocated handle.`);
|
|
emval_handles[handle] = undefined;
|
|
emval_freelist.push(handle);
|
|
}
|
|
};
|
|
|
|
var count_emval_handles = () => emval_handles.length / 2 - 5 - emval_freelist.length;
|
|
|
|
var init_emval = () => {
|
|
// reserve 0 and some special values. These never get de-allocated.
|
|
emval_handles.push(0, 1, undefined, 1, null, 1, true, 1, false, 1);
|
|
assert(emval_handles.length === 5 * 2);
|
|
Module["count_emval_handles"] = count_emval_handles;
|
|
};
|
|
|
|
var Emval = {
|
|
toValue: handle => {
|
|
if (!handle) {
|
|
throwBindingError(`Cannot use deleted val. handle = ${handle}`);
|
|
}
|
|
// handle 2 is supposed to be `undefined`.
|
|
assert(handle === 2 || emval_handles[handle] !== undefined && handle % 2 === 0, `invalid handle: ${handle}`);
|
|
return emval_handles[handle];
|
|
},
|
|
toHandle: value => {
|
|
switch (value) {
|
|
case undefined:
|
|
return 2;
|
|
|
|
case null:
|
|
return 4;
|
|
|
|
case true:
|
|
return 6;
|
|
|
|
case false:
|
|
return 8;
|
|
|
|
default:
|
|
{
|
|
const handle = emval_freelist.pop() || emval_handles.length;
|
|
emval_handles[handle] = value;
|
|
emval_handles[handle + 1] = 1;
|
|
return handle;
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
/** @suppress {globalThis} */ function readPointer(pointer) {
|
|
return this["fromWireType"](GROWABLE_HEAP_U32()[((pointer) >> 2)]);
|
|
}
|
|
|
|
var EmValType = {
|
|
name: "emscripten::val",
|
|
"fromWireType": handle => {
|
|
var rv = Emval.toValue(handle);
|
|
__emval_decref(handle);
|
|
return rv;
|
|
},
|
|
"toWireType": (destructors, value) => Emval.toHandle(value),
|
|
argPackAdvance: GenericWireTypeSize,
|
|
"readValueFromPointer": readPointer,
|
|
destructorFunction: null
|
|
};
|
|
|
|
var __embind_register_emval = rawType => registerType(rawType, EmValType);
|
|
|
|
var floatReadValueFromPointer = (name, width) => {
|
|
switch (width) {
|
|
case 4:
|
|
return function(pointer) {
|
|
return this["fromWireType"](GROWABLE_HEAP_F32()[((pointer) >> 2)]);
|
|
};
|
|
|
|
case 8:
|
|
return function(pointer) {
|
|
return this["fromWireType"](GROWABLE_HEAP_F64()[((pointer) >> 3)]);
|
|
};
|
|
|
|
default:
|
|
throw new TypeError(`invalid float width (${width}): ${name}`);
|
|
}
|
|
};
|
|
|
|
var __embind_register_float = (rawType, name, size) => {
|
|
name = readLatin1String(name);
|
|
registerType(rawType, {
|
|
name,
|
|
"fromWireType": value => value,
|
|
"toWireType": (destructors, value) => {
|
|
if (typeof value != "number" && typeof value != "boolean") {
|
|
throw new TypeError(`Cannot convert ${embindRepr(value)} to ${this.name}`);
|
|
}
|
|
// The VM will perform JS to Wasm value conversion, according to the spec:
|
|
// https://www.w3.org/TR/wasm-js-api-1/#towebassemblyvalue
|
|
return value;
|
|
},
|
|
argPackAdvance: GenericWireTypeSize,
|
|
"readValueFromPointer": floatReadValueFromPointer(name, size),
|
|
destructorFunction: null
|
|
});
|
|
};
|
|
|
|
/** @suppress {globalThis} */ var __embind_register_integer = (primitiveType, name, size, minRange, maxRange) => {
|
|
name = readLatin1String(name);
|
|
// LLVM doesn't have signed and unsigned 32-bit types, so u32 literals come
|
|
// out as 'i32 -1'. Always treat those as max u32.
|
|
if (maxRange === -1) {
|
|
maxRange = 4294967295;
|
|
}
|
|
var fromWireType = value => value;
|
|
if (minRange === 0) {
|
|
var bitshift = 32 - 8 * size;
|
|
fromWireType = value => (value << bitshift) >>> bitshift;
|
|
}
|
|
var isUnsignedType = (name.includes("unsigned"));
|
|
var checkAssertions = (value, toTypeName) => {
|
|
if (typeof value != "number" && typeof value != "boolean") {
|
|
throw new TypeError(`Cannot convert "${embindRepr(value)}" to ${toTypeName}`);
|
|
}
|
|
if (value < minRange || value > maxRange) {
|
|
throw new TypeError(`Passing a number "${embindRepr(value)}" from JS side to C/C++ side to an argument of type "${name}", which is outside the valid range [${minRange}, ${maxRange}]!`);
|
|
}
|
|
};
|
|
var toWireType;
|
|
if (isUnsignedType) {
|
|
toWireType = function(destructors, value) {
|
|
checkAssertions(value, this.name);
|
|
return value >>> 0;
|
|
};
|
|
} else {
|
|
toWireType = function(destructors, value) {
|
|
checkAssertions(value, this.name);
|
|
// The VM will perform JS to Wasm value conversion, according to the spec:
|
|
// https://www.w3.org/TR/wasm-js-api-1/#towebassemblyvalue
|
|
return value;
|
|
};
|
|
}
|
|
registerType(primitiveType, {
|
|
name,
|
|
"fromWireType": fromWireType,
|
|
"toWireType": toWireType,
|
|
argPackAdvance: GenericWireTypeSize,
|
|
"readValueFromPointer": integerReadValueFromPointer(name, size, minRange !== 0),
|
|
destructorFunction: null
|
|
});
|
|
};
|
|
|
|
var __embind_register_memory_view = (rawType, dataTypeIndex, name) => {
|
|
var typeMapping = [ Int8Array, Uint8Array, Int16Array, Uint16Array, Int32Array, Uint32Array, Float32Array, Float64Array, BigInt64Array, BigUint64Array ];
|
|
var TA = typeMapping[dataTypeIndex];
|
|
function decodeMemoryView(handle) {
|
|
var size = GROWABLE_HEAP_U32()[((handle) >> 2)];
|
|
var data = GROWABLE_HEAP_U32()[(((handle) + (4)) >> 2)];
|
|
return new TA(GROWABLE_HEAP_I8().buffer, data, size);
|
|
}
|
|
name = readLatin1String(name);
|
|
registerType(rawType, {
|
|
name,
|
|
"fromWireType": decodeMemoryView,
|
|
argPackAdvance: GenericWireTypeSize,
|
|
"readValueFromPointer": decodeMemoryView
|
|
}, {
|
|
ignoreDuplicateRegistrations: true
|
|
});
|
|
};
|
|
|
|
var stringToUTF8 = (str, outPtr, maxBytesToWrite) => {
|
|
assert(typeof maxBytesToWrite == "number", "stringToUTF8(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!");
|
|
return stringToUTF8Array(str, GROWABLE_HEAP_U8(), outPtr, maxBytesToWrite);
|
|
};
|
|
|
|
var __embind_register_std_string = (rawType, name) => {
|
|
name = readLatin1String(name);
|
|
var stdStringIsUTF8 = true;
|
|
registerType(rawType, {
|
|
name,
|
|
// For some method names we use string keys here since they are part of
|
|
// the public/external API and/or used by the runtime-generated code.
|
|
"fromWireType"(value) {
|
|
var length = GROWABLE_HEAP_U32()[((value) >> 2)];
|
|
var payload = value + 4;
|
|
var str;
|
|
if (stdStringIsUTF8) {
|
|
var decodeStartPtr = payload;
|
|
// Looping here to support possible embedded '0' bytes
|
|
for (var i = 0; i <= length; ++i) {
|
|
var currentBytePtr = payload + i;
|
|
if (i == length || GROWABLE_HEAP_U8()[currentBytePtr] == 0) {
|
|
var maxRead = currentBytePtr - decodeStartPtr;
|
|
var stringSegment = UTF8ToString(decodeStartPtr, maxRead);
|
|
if (str === undefined) {
|
|
str = stringSegment;
|
|
} else {
|
|
str += String.fromCharCode(0);
|
|
str += stringSegment;
|
|
}
|
|
decodeStartPtr = currentBytePtr + 1;
|
|
}
|
|
}
|
|
} else {
|
|
var a = new Array(length);
|
|
for (var i = 0; i < length; ++i) {
|
|
a[i] = String.fromCharCode(GROWABLE_HEAP_U8()[payload + i]);
|
|
}
|
|
str = a.join("");
|
|
}
|
|
_free(value);
|
|
return str;
|
|
},
|
|
"toWireType"(destructors, value) {
|
|
if (value instanceof ArrayBuffer) {
|
|
value = new Uint8Array(value);
|
|
}
|
|
var length;
|
|
var valueIsOfTypeString = (typeof value == "string");
|
|
// We accept `string` or array views with single byte elements
|
|
if (!(valueIsOfTypeString || (ArrayBuffer.isView(value) && value.BYTES_PER_ELEMENT == 1))) {
|
|
throwBindingError("Cannot pass non-string to std::string");
|
|
}
|
|
if (stdStringIsUTF8 && valueIsOfTypeString) {
|
|
length = lengthBytesUTF8(value);
|
|
} else {
|
|
length = value.length;
|
|
}
|
|
// assumes POINTER_SIZE alignment
|
|
var base = _malloc(4 + length + 1);
|
|
var ptr = base + 4;
|
|
GROWABLE_HEAP_U32()[((base) >> 2)] = length;
|
|
if (valueIsOfTypeString) {
|
|
if (stdStringIsUTF8) {
|
|
stringToUTF8(value, ptr, length + 1);
|
|
} else {
|
|
for (var i = 0; i < length; ++i) {
|
|
var charCode = value.charCodeAt(i);
|
|
if (charCode > 255) {
|
|
_free(base);
|
|
throwBindingError("String has UTF-16 code units that do not fit in 8 bits");
|
|
}
|
|
GROWABLE_HEAP_U8()[ptr + i] = charCode;
|
|
}
|
|
}
|
|
} else {
|
|
GROWABLE_HEAP_U8().set(value, ptr);
|
|
}
|
|
if (destructors !== null) {
|
|
destructors.push(_free, base);
|
|
}
|
|
return base;
|
|
},
|
|
argPackAdvance: GenericWireTypeSize,
|
|
"readValueFromPointer": readPointer,
|
|
destructorFunction(ptr) {
|
|
_free(ptr);
|
|
}
|
|
});
|
|
};
|
|
|
|
var UTF16Decoder = typeof TextDecoder != "undefined" ? new TextDecoder("utf-16le") : undefined;
|
|
|
|
var 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) && GROWABLE_HEAP_U16()[idx]) ++idx;
|
|
endPtr = idx << 1;
|
|
if (endPtr - ptr > 32 && UTF16Decoder) return UTF16Decoder.decode(GROWABLE_HEAP_U8().slice(ptr, endPtr));
|
|
// Fallback: decode without UTF16Decoder
|
|
var str = "";
|
|
// If maxBytesToRead is not passed explicitly, it will be undefined, and the
|
|
// for-loop's condition will always evaluate to true. The loop is then
|
|
// terminated on the first null char.
|
|
for (var i = 0; !(i >= maxBytesToRead / 2); ++i) {
|
|
var codeUnit = GROWABLE_HEAP_I16()[(((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;
|
|
};
|
|
|
|
var stringToUTF16 = (str, outPtr, maxBytesToWrite) => {
|
|
assert(outPtr % 2 == 0, "Pointer passed to stringToUTF16 must be aligned to two bytes!");
|
|
assert(typeof maxBytesToWrite == "number", "stringToUTF16(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!");
|
|
// Backwards compatibility: if max bytes is not specified, assume unsafe unbounded write is allowed.
|
|
maxBytesToWrite ??= 2147483647;
|
|
if (maxBytesToWrite < 2) return 0;
|
|
maxBytesToWrite -= 2;
|
|
// Null terminator.
|
|
var startPtr = outPtr;
|
|
var numCharsToWrite = (maxBytesToWrite < str.length * 2) ? (maxBytesToWrite / 2) : str.length;
|
|
for (var i = 0; i < numCharsToWrite; ++i) {
|
|
// charCodeAt returns a UTF-16 encoded code unit, so it can be directly written to the HEAP.
|
|
var codeUnit = str.charCodeAt(i);
|
|
// possibly a lead surrogate
|
|
GROWABLE_HEAP_I16()[((outPtr) >> 1)] = codeUnit;
|
|
outPtr += 2;
|
|
}
|
|
// Null-terminate the pointer to the HEAP.
|
|
GROWABLE_HEAP_I16()[((outPtr) >> 1)] = 0;
|
|
return outPtr - startPtr;
|
|
};
|
|
|
|
var lengthBytesUTF16 = str => str.length * 2;
|
|
|
|
var 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 = GROWABLE_HEAP_I32()[(((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 >= 65536) {
|
|
var ch = utf32 - 65536;
|
|
str += String.fromCharCode(55296 | (ch >> 10), 56320 | (ch & 1023));
|
|
} else {
|
|
str += String.fromCharCode(utf32);
|
|
}
|
|
}
|
|
return str;
|
|
};
|
|
|
|
var 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.
|
|
maxBytesToWrite ??= 2147483647;
|
|
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 >= 55296 && codeUnit <= 57343) {
|
|
var trailSurrogate = str.charCodeAt(++i);
|
|
codeUnit = 65536 + ((codeUnit & 1023) << 10) | (trailSurrogate & 1023);
|
|
}
|
|
GROWABLE_HEAP_I32()[((outPtr) >> 2)] = codeUnit;
|
|
outPtr += 4;
|
|
if (outPtr + 4 > endPtr) break;
|
|
}
|
|
// Null-terminate the pointer to the HEAP.
|
|
GROWABLE_HEAP_I32()[((outPtr) >> 2)] = 0;
|
|
return outPtr - startPtr;
|
|
};
|
|
|
|
var 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 >= 55296 && codeUnit <= 57343) ++i;
|
|
// possibly a lead surrogate, so skip over the tail surrogate.
|
|
len += 4;
|
|
}
|
|
return len;
|
|
};
|
|
|
|
var __embind_register_std_wstring = (rawType, charSize, name) => {
|
|
name = readLatin1String(name);
|
|
var decodeString, encodeString, readCharAt, lengthBytesUTF;
|
|
if (charSize === 2) {
|
|
decodeString = UTF16ToString;
|
|
encodeString = stringToUTF16;
|
|
lengthBytesUTF = lengthBytesUTF16;
|
|
readCharAt = pointer => GROWABLE_HEAP_U16()[((pointer) >> 1)];
|
|
} else if (charSize === 4) {
|
|
decodeString = UTF32ToString;
|
|
encodeString = stringToUTF32;
|
|
lengthBytesUTF = lengthBytesUTF32;
|
|
readCharAt = pointer => GROWABLE_HEAP_U32()[((pointer) >> 2)];
|
|
}
|
|
registerType(rawType, {
|
|
name,
|
|
"fromWireType": value => {
|
|
// Code mostly taken from _embind_register_std_string fromWireType
|
|
var length = GROWABLE_HEAP_U32()[((value) >> 2)];
|
|
var str;
|
|
var decodeStartPtr = value + 4;
|
|
// Looping here to support possible embedded '0' bytes
|
|
for (var i = 0; i <= length; ++i) {
|
|
var currentBytePtr = value + 4 + i * charSize;
|
|
if (i == length || readCharAt(currentBytePtr) == 0) {
|
|
var maxReadBytes = currentBytePtr - decodeStartPtr;
|
|
var stringSegment = decodeString(decodeStartPtr, maxReadBytes);
|
|
if (str === undefined) {
|
|
str = stringSegment;
|
|
} else {
|
|
str += String.fromCharCode(0);
|
|
str += stringSegment;
|
|
}
|
|
decodeStartPtr = currentBytePtr + charSize;
|
|
}
|
|
}
|
|
_free(value);
|
|
return str;
|
|
},
|
|
"toWireType": (destructors, value) => {
|
|
if (!(typeof value == "string")) {
|
|
throwBindingError(`Cannot pass non-string to C++ string type ${name}`);
|
|
}
|
|
// assumes POINTER_SIZE alignment
|
|
var length = lengthBytesUTF(value);
|
|
var ptr = _malloc(4 + length + charSize);
|
|
GROWABLE_HEAP_U32()[((ptr) >> 2)] = length / charSize;
|
|
encodeString(value, ptr + 4, length + charSize);
|
|
if (destructors !== null) {
|
|
destructors.push(_free, ptr);
|
|
}
|
|
return ptr;
|
|
},
|
|
argPackAdvance: GenericWireTypeSize,
|
|
"readValueFromPointer": readPointer,
|
|
destructorFunction(ptr) {
|
|
_free(ptr);
|
|
}
|
|
});
|
|
};
|
|
|
|
var __embind_register_void = (rawType, name) => {
|
|
name = readLatin1String(name);
|
|
registerType(rawType, {
|
|
isVoid: true,
|
|
// void return values can be optimized out sometimes
|
|
name,
|
|
argPackAdvance: 0,
|
|
"fromWireType": () => undefined,
|
|
// TODO: assert if anything else is given?
|
|
"toWireType": (destructors, o) => undefined
|
|
});
|
|
};
|
|
|
|
var __emscripten_init_main_thread_js = tb => {
|
|
// Pass the thread address to the native code where they stored in wasm
|
|
// globals which act as a form of TLS. Global constructors trying
|
|
// to access this value will read the wrong value, but that is UB anyway.
|
|
__emscripten_thread_init(tb, /*is_main=*/ !ENVIRONMENT_IS_WORKER, /*is_runtime=*/ 1, /*can_block=*/ !ENVIRONMENT_IS_WEB, /*default_stacksize=*/ 16777216, /*start_profiling=*/ false);
|
|
PThread.threadInitTLS();
|
|
};
|
|
|
|
var handleException = e => {
|
|
// Certain exception types we do not treat as errors since they are used for
|
|
// internal control flow.
|
|
// 1. ExitStatus, which is thrown by exit()
|
|
// 2. "unwind", which is thrown by emscripten_unwind_to_js_event_loop() and others
|
|
// that wish to return to JS event loop.
|
|
if (e instanceof ExitStatus || e == "unwind") {
|
|
return EXITSTATUS;
|
|
}
|
|
checkStackCookie();
|
|
if (e instanceof WebAssembly.RuntimeError) {
|
|
if (_emscripten_stack_get_current() <= 0) {
|
|
err("Stack overflow detected. You can try increasing -sSTACK_SIZE (currently set to 16777216)");
|
|
}
|
|
}
|
|
quit_(1, e);
|
|
};
|
|
|
|
var maybeExit = () => {
|
|
if (!keepRuntimeAlive()) {
|
|
try {
|
|
if (ENVIRONMENT_IS_PTHREAD) __emscripten_thread_exit(EXITSTATUS); else _exit(EXITSTATUS);
|
|
} catch (e) {
|
|
handleException(e);
|
|
}
|
|
}
|
|
};
|
|
|
|
var callUserCallback = func => {
|
|
if (ABORT) {
|
|
err("user callback triggered after runtime exited or application aborted. Ignoring.");
|
|
return;
|
|
}
|
|
try {
|
|
func();
|
|
maybeExit();
|
|
} catch (e) {
|
|
handleException(e);
|
|
}
|
|
};
|
|
|
|
var __emscripten_thread_mailbox_await = pthread_ptr => {
|
|
if (typeof Atomics.waitAsync === "function") {
|
|
// Wait on the pthread's initial self-pointer field because it is easy and
|
|
// safe to access from sending threads that need to notify the waiting
|
|
// thread.
|
|
// TODO: How to make this work with wasm64?
|
|
var wait = Atomics.waitAsync(GROWABLE_HEAP_I32(), ((pthread_ptr) >> 2), pthread_ptr);
|
|
assert(wait.async);
|
|
wait.value.then(checkMailbox);
|
|
var waitingAsync = pthread_ptr + 128;
|
|
Atomics.store(GROWABLE_HEAP_I32(), ((waitingAsync) >> 2), 1);
|
|
}
|
|
};
|
|
|
|
var checkMailbox = () => {
|
|
// Only check the mailbox if we have a live pthread runtime. We implement
|
|
// pthread_self to return 0 if there is no live runtime.
|
|
var pthread_ptr = _pthread_self();
|
|
if (pthread_ptr) {
|
|
// If we are using Atomics.waitAsync as our notification mechanism, wait
|
|
// for a notification before processing the mailbox to avoid missing any
|
|
// work that could otherwise arrive after we've finished processing the
|
|
// mailbox and before we're ready for the next notification.
|
|
__emscripten_thread_mailbox_await(pthread_ptr);
|
|
callUserCallback(__emscripten_check_mailbox);
|
|
}
|
|
};
|
|
|
|
var __emscripten_notify_mailbox_postmessage = (targetThread, currThreadId) => {
|
|
if (targetThread == currThreadId) {
|
|
setTimeout(checkMailbox);
|
|
} else if (ENVIRONMENT_IS_PTHREAD) {
|
|
postMessage({
|
|
targetThread,
|
|
cmd: "checkMailbox"
|
|
});
|
|
} else {
|
|
var worker = PThread.pthreads[targetThread];
|
|
if (!worker) {
|
|
err(`Cannot send message to thread with ID ${targetThread}, unknown thread ID!`);
|
|
return;
|
|
}
|
|
worker.postMessage({
|
|
cmd: "checkMailbox"
|
|
});
|
|
}
|
|
};
|
|
|
|
var proxiedJSCallArgs = [];
|
|
|
|
var __emscripten_receive_on_main_thread_js = (funcIndex, emAsmAddr, callingThread, numCallArgs, args) => {
|
|
// Sometimes we need to backproxy events to the calling thread (e.g.
|
|
// HTML5 DOM events handlers such as
|
|
// emscripten_set_mousemove_callback()), so keep track in a globally
|
|
// accessible variable about the thread that initiated the proxying.
|
|
numCallArgs /= 2;
|
|
proxiedJSCallArgs.length = numCallArgs;
|
|
var b = ((args) >> 3);
|
|
for (var i = 0; i < numCallArgs; i++) {
|
|
if (HEAP64[b + 2 * i]) {
|
|
// It's a BigInt.
|
|
proxiedJSCallArgs[i] = HEAP64[b + 2 * i + 1];
|
|
} else {
|
|
// It's a Number.
|
|
proxiedJSCallArgs[i] = GROWABLE_HEAP_F64()[b + 2 * i + 1];
|
|
}
|
|
}
|
|
// Proxied JS library funcs use funcIndex and EM_ASM functions use emAsmAddr
|
|
var func = emAsmAddr ? ASM_CONSTS[emAsmAddr] : proxiedFunctionTable[funcIndex];
|
|
assert(!(funcIndex && emAsmAddr));
|
|
assert(func.length == numCallArgs, "Call args mismatch in _emscripten_receive_on_main_thread_js");
|
|
PThread.currentProxiedOperationCallerThread = callingThread;
|
|
var rtn = func(...proxiedJSCallArgs);
|
|
PThread.currentProxiedOperationCallerThread = 0;
|
|
// Proxied functions can return any type except bigint. All other types
|
|
// cooerce to f64/double (the return type of this function in C) but not
|
|
// bigint.
|
|
assert(typeof rtn != "bigint");
|
|
return rtn;
|
|
};
|
|
|
|
var __emscripten_runtime_keepalive_clear = () => {
|
|
noExitRuntime = false;
|
|
runtimeKeepaliveCounter = 0;
|
|
};
|
|
|
|
var __emscripten_thread_cleanup = thread => {
|
|
// Called when a thread needs to be cleaned up so it can be reused.
|
|
// A thread is considered reusable when it either returns from its
|
|
// entry point, calls pthread_exit, or acts upon a cancellation.
|
|
// Detached threads are responsible for calling this themselves,
|
|
// otherwise pthread_join is responsible for calling this.
|
|
if (!ENVIRONMENT_IS_PTHREAD) cleanupThread(thread); else postMessage({
|
|
cmd: "cleanupThread",
|
|
thread
|
|
});
|
|
};
|
|
|
|
var __emscripten_thread_set_strongref = thread => {};
|
|
|
|
var __emscripten_throw_longjmp = () => {
|
|
throw Infinity;
|
|
};
|
|
|
|
var INT53_MAX = 9007199254740992;
|
|
|
|
var INT53_MIN = -9007199254740992;
|
|
|
|
var bigintToI53Checked = num => (num < INT53_MIN || num > INT53_MAX) ? NaN : Number(num);
|
|
|
|
function __gmtime_js(time, tmPtr) {
|
|
time = bigintToI53Checked(time);
|
|
var date = new Date(time * 1e3);
|
|
GROWABLE_HEAP_I32()[((tmPtr) >> 2)] = date.getUTCSeconds();
|
|
GROWABLE_HEAP_I32()[(((tmPtr) + (4)) >> 2)] = date.getUTCMinutes();
|
|
GROWABLE_HEAP_I32()[(((tmPtr) + (8)) >> 2)] = date.getUTCHours();
|
|
GROWABLE_HEAP_I32()[(((tmPtr) + (12)) >> 2)] = date.getUTCDate();
|
|
GROWABLE_HEAP_I32()[(((tmPtr) + (16)) >> 2)] = date.getUTCMonth();
|
|
GROWABLE_HEAP_I32()[(((tmPtr) + (20)) >> 2)] = date.getUTCFullYear() - 1900;
|
|
GROWABLE_HEAP_I32()[(((tmPtr) + (24)) >> 2)] = date.getUTCDay();
|
|
var start = Date.UTC(date.getUTCFullYear(), 0, 1, 0, 0, 0, 0);
|
|
var yday = ((date.getTime() - start) / (1e3 * 60 * 60 * 24)) | 0;
|
|
GROWABLE_HEAP_I32()[(((tmPtr) + (28)) >> 2)] = yday;
|
|
}
|
|
|
|
var isLeapYear = year => year % 4 === 0 && (year % 100 !== 0 || year % 400 === 0);
|
|
|
|
var MONTH_DAYS_LEAP_CUMULATIVE = [ 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335 ];
|
|
|
|
var MONTH_DAYS_REGULAR_CUMULATIVE = [ 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334 ];
|
|
|
|
var ydayFromDate = date => {
|
|
var leap = isLeapYear(date.getFullYear());
|
|
var monthDaysCumulative = (leap ? MONTH_DAYS_LEAP_CUMULATIVE : MONTH_DAYS_REGULAR_CUMULATIVE);
|
|
var yday = monthDaysCumulative[date.getMonth()] + date.getDate() - 1;
|
|
// -1 since it's days since Jan 1
|
|
return yday;
|
|
};
|
|
|
|
function __localtime_js(time, tmPtr) {
|
|
time = bigintToI53Checked(time);
|
|
var date = new Date(time * 1e3);
|
|
GROWABLE_HEAP_I32()[((tmPtr) >> 2)] = date.getSeconds();
|
|
GROWABLE_HEAP_I32()[(((tmPtr) + (4)) >> 2)] = date.getMinutes();
|
|
GROWABLE_HEAP_I32()[(((tmPtr) + (8)) >> 2)] = date.getHours();
|
|
GROWABLE_HEAP_I32()[(((tmPtr) + (12)) >> 2)] = date.getDate();
|
|
GROWABLE_HEAP_I32()[(((tmPtr) + (16)) >> 2)] = date.getMonth();
|
|
GROWABLE_HEAP_I32()[(((tmPtr) + (20)) >> 2)] = date.getFullYear() - 1900;
|
|
GROWABLE_HEAP_I32()[(((tmPtr) + (24)) >> 2)] = date.getDay();
|
|
var yday = ydayFromDate(date) | 0;
|
|
GROWABLE_HEAP_I32()[(((tmPtr) + (28)) >> 2)] = yday;
|
|
GROWABLE_HEAP_I32()[(((tmPtr) + (36)) >> 2)] = -(date.getTimezoneOffset() * 60);
|
|
// Attention: DST is in December in South, and some regions don't have DST at all.
|
|
var start = new Date(date.getFullYear(), 0, 1);
|
|
var summerOffset = new Date(date.getFullYear(), 6, 1).getTimezoneOffset();
|
|
var winterOffset = start.getTimezoneOffset();
|
|
var dst = (summerOffset != winterOffset && date.getTimezoneOffset() == Math.min(winterOffset, summerOffset)) | 0;
|
|
GROWABLE_HEAP_I32()[(((tmPtr) + (32)) >> 2)] = dst;
|
|
}
|
|
|
|
var __mktime_js = function(tmPtr) {
|
|
var ret = (() => {
|
|
var date = new Date(GROWABLE_HEAP_I32()[(((tmPtr) + (20)) >> 2)] + 1900, GROWABLE_HEAP_I32()[(((tmPtr) + (16)) >> 2)], GROWABLE_HEAP_I32()[(((tmPtr) + (12)) >> 2)], GROWABLE_HEAP_I32()[(((tmPtr) + (8)) >> 2)], GROWABLE_HEAP_I32()[(((tmPtr) + (4)) >> 2)], GROWABLE_HEAP_I32()[((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 = GROWABLE_HEAP_I32()[(((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.
|
|
GROWABLE_HEAP_I32()[(((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) * 6e4);
|
|
}
|
|
GROWABLE_HEAP_I32()[(((tmPtr) + (24)) >> 2)] = date.getDay();
|
|
var yday = ydayFromDate(date) | 0;
|
|
GROWABLE_HEAP_I32()[(((tmPtr) + (28)) >> 2)] = yday;
|
|
// To match expected behavior, update fields from date
|
|
GROWABLE_HEAP_I32()[((tmPtr) >> 2)] = date.getSeconds();
|
|
GROWABLE_HEAP_I32()[(((tmPtr) + (4)) >> 2)] = date.getMinutes();
|
|
GROWABLE_HEAP_I32()[(((tmPtr) + (8)) >> 2)] = date.getHours();
|
|
GROWABLE_HEAP_I32()[(((tmPtr) + (12)) >> 2)] = date.getDate();
|
|
GROWABLE_HEAP_I32()[(((tmPtr) + (16)) >> 2)] = date.getMonth();
|
|
GROWABLE_HEAP_I32()[(((tmPtr) + (20)) >> 2)] = date.getYear();
|
|
var timeMs = date.getTime();
|
|
if (isNaN(timeMs)) {
|
|
return -1;
|
|
}
|
|
// Return time in microseconds
|
|
return timeMs / 1e3;
|
|
})();
|
|
return BigInt(ret);
|
|
};
|
|
|
|
function __mmap_js(len, prot, flags, fd, offset, allocated, addr) {
|
|
if (ENVIRONMENT_IS_PTHREAD) return proxyToMainThread(6, 0, 1, len, prot, flags, fd, offset, allocated, addr);
|
|
offset = bigintToI53Checked(offset);
|
|
try {
|
|
if (isNaN(offset)) return 61;
|
|
var stream = SYSCALLS.getStreamFromFD(fd);
|
|
var res = FS.mmap(stream, len, offset, prot, flags);
|
|
var ptr = res.ptr;
|
|
GROWABLE_HEAP_I32()[((allocated) >> 2)] = res.allocated;
|
|
GROWABLE_HEAP_U32()[((addr) >> 2)] = ptr;
|
|
return 0;
|
|
} catch (e) {
|
|
if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
|
|
return -e.errno;
|
|
}
|
|
}
|
|
|
|
function __munmap_js(addr, len, prot, flags, fd, offset) {
|
|
if (ENVIRONMENT_IS_PTHREAD) return proxyToMainThread(7, 0, 1, addr, len, prot, flags, fd, offset);
|
|
offset = bigintToI53Checked(offset);
|
|
try {
|
|
var stream = SYSCALLS.getStreamFromFD(fd);
|
|
if (prot & 2) {
|
|
SYSCALLS.doMsync(addr, stream, len, flags, offset);
|
|
}
|
|
} catch (e) {
|
|
if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
|
|
return -e.errno;
|
|
}
|
|
}
|
|
|
|
var timers = {};
|
|
|
|
var _emscripten_get_now = () => performance.timeOrigin + performance.now();
|
|
|
|
function __setitimer_js(which, timeout_ms) {
|
|
if (ENVIRONMENT_IS_PTHREAD) return proxyToMainThread(8, 0, 1, which, timeout_ms);
|
|
// First, clear any existing timer.
|
|
if (timers[which]) {
|
|
clearTimeout(timers[which].id);
|
|
delete timers[which];
|
|
}
|
|
// A timeout of zero simply cancels the current timeout so we have nothing
|
|
// more to do.
|
|
if (!timeout_ms) return 0;
|
|
var id = setTimeout(() => {
|
|
assert(which in timers);
|
|
delete timers[which];
|
|
callUserCallback(() => __emscripten_timeout(which, _emscripten_get_now()));
|
|
}, timeout_ms);
|
|
timers[which] = {
|
|
id,
|
|
timeout_ms
|
|
};
|
|
return 0;
|
|
}
|
|
|
|
var __tzset_js = (timezone, daylight, std_name, dst_name) => {
|
|
// TODO: Use (malleable) environment variables instead of system settings.
|
|
var currentYear = (new Date).getFullYear();
|
|
var winter = new Date(currentYear, 0, 1);
|
|
var summer = new Date(currentYear, 6, 1);
|
|
var winterOffset = winter.getTimezoneOffset();
|
|
var summerOffset = summer.getTimezoneOffset();
|
|
// Local standard timezone offset. Local standard time is not adjusted for
|
|
// daylight savings. This code uses the fact that getTimezoneOffset returns
|
|
// a greater value during Standard Time versus Daylight Saving Time (DST).
|
|
// Thus it determines the expected output during Standard Time, and it
|
|
// compares whether the output of the given date the same (Standard) or less
|
|
// (DST).
|
|
var stdTimezoneOffset = Math.max(winterOffset, summerOffset);
|
|
// timezone is specified as seconds west of UTC ("The external variable
|
|
// `timezone` shall be set to the difference, in seconds, between
|
|
// Coordinated Universal Time (UTC) and local standard time."), the same
|
|
// as returned by stdTimezoneOffset.
|
|
// See http://pubs.opengroup.org/onlinepubs/009695399/functions/tzset.html
|
|
GROWABLE_HEAP_U32()[((timezone) >> 2)] = stdTimezoneOffset * 60;
|
|
GROWABLE_HEAP_I32()[((daylight) >> 2)] = Number(winterOffset != summerOffset);
|
|
var extractZone = timezoneOffset => {
|
|
// Why inverse sign?
|
|
// Read here https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/getTimezoneOffset
|
|
var sign = timezoneOffset >= 0 ? "-" : "+";
|
|
var absOffset = Math.abs(timezoneOffset);
|
|
var hours = String(Math.floor(absOffset / 60)).padStart(2, "0");
|
|
var minutes = String(absOffset % 60).padStart(2, "0");
|
|
return `UTC${sign}${hours}${minutes}`;
|
|
};
|
|
var winterName = extractZone(winterOffset);
|
|
var summerName = extractZone(summerOffset);
|
|
assert(winterName);
|
|
assert(summerName);
|
|
assert(lengthBytesUTF8(winterName) <= 16, `timezone name truncated to fit in TZNAME_MAX (${winterName})`);
|
|
assert(lengthBytesUTF8(summerName) <= 16, `timezone name truncated to fit in TZNAME_MAX (${summerName})`);
|
|
if (summerOffset < winterOffset) {
|
|
// Northern hemisphere
|
|
stringToUTF8(winterName, std_name, 17);
|
|
stringToUTF8(summerName, dst_name, 17);
|
|
} else {
|
|
stringToUTF8(winterName, dst_name, 17);
|
|
stringToUTF8(summerName, std_name, 17);
|
|
}
|
|
};
|
|
|
|
var _emscripten_date_now = () => Date.now();
|
|
|
|
var nowIsMonotonic = 1;
|
|
|
|
var checkWasiClock = clock_id => clock_id >= 0 && clock_id <= 3;
|
|
|
|
function _clock_time_get(clk_id, ignored_precision, ptime) {
|
|
ignored_precision = bigintToI53Checked(ignored_precision);
|
|
if (!checkWasiClock(clk_id)) {
|
|
return 28;
|
|
}
|
|
var now;
|
|
// all wasi clocks but realtime are monotonic
|
|
if (clk_id === 0) {
|
|
now = _emscripten_date_now();
|
|
} else if (nowIsMonotonic) {
|
|
now = _emscripten_get_now();
|
|
} else {
|
|
return 52;
|
|
}
|
|
// "now" is in ms, and wasi times are in ns.
|
|
var nsec = Math.round(now * 1e3 * 1e3);
|
|
HEAP64[((ptime) >> 3)] = BigInt(nsec);
|
|
return 0;
|
|
}
|
|
|
|
var readEmAsmArgsArray = [];
|
|
|
|
var readEmAsmArgs = (sigPtr, buf) => {
|
|
// Nobody should have mutated _readEmAsmArgsArray underneath us to be something else than an array.
|
|
assert(Array.isArray(readEmAsmArgsArray));
|
|
// The input buffer is allocated on the stack, so it must be stack-aligned.
|
|
assert(buf % 16 == 0);
|
|
readEmAsmArgsArray.length = 0;
|
|
var ch;
|
|
// Most arguments are i32s, so shift the buffer pointer so it is a plain
|
|
// index into HEAP32.
|
|
while (ch = GROWABLE_HEAP_U8()[sigPtr++]) {
|
|
var chr = String.fromCharCode(ch);
|
|
var validChars = [ "d", "f", "i", "p" ];
|
|
// In WASM_BIGINT mode we support passing i64 values as bigint.
|
|
validChars.push("j");
|
|
assert(validChars.includes(chr), `Invalid character ${ch}("${chr}") in readEmAsmArgs! Use only [${validChars}], and do not specify "v" for void return argument.`);
|
|
// Floats are always passed as doubles, so all types except for 'i'
|
|
// are 8 bytes and require alignment.
|
|
var wide = (ch != 105);
|
|
wide &= (ch != 112);
|
|
buf += wide && (buf % 8) ? 4 : 0;
|
|
readEmAsmArgsArray.push(// Special case for pointers under wasm64 or CAN_ADDRESS_2GB mode.
|
|
ch == 112 ? GROWABLE_HEAP_U32()[((buf) >> 2)] : ch == 106 ? HEAP64[((buf) >> 3)] : ch == 105 ? GROWABLE_HEAP_I32()[((buf) >> 2)] : GROWABLE_HEAP_F64()[((buf) >> 3)]);
|
|
buf += wide ? 8 : 4;
|
|
}
|
|
return readEmAsmArgsArray;
|
|
};
|
|
|
|
var runEmAsmFunction = (code, sigPtr, argbuf) => {
|
|
var args = readEmAsmArgs(sigPtr, argbuf);
|
|
assert(ASM_CONSTS.hasOwnProperty(code), `No EM_ASM constant found at address ${code}. The loaded WebAssembly file is likely out of sync with the generated JavaScript.`);
|
|
return ASM_CONSTS[code](...args);
|
|
};
|
|
|
|
var _emscripten_asm_const_int = (code, sigPtr, argbuf) => runEmAsmFunction(code, sigPtr, argbuf);
|
|
|
|
var _emscripten_check_blocking_allowed = () => {
|
|
if (ENVIRONMENT_IS_WORKER) return;
|
|
// Blocking in a worker/pthread is fine.
|
|
warnOnce("Blocking on the main thread is very dangerous, see https://emscripten.org/docs/porting/pthreads.html#blocking-on-the-main-browser-thread");
|
|
};
|
|
|
|
var _emscripten_exit_with_live_runtime = () => {
|
|
runtimeKeepalivePush();
|
|
throw "unwind";
|
|
};
|
|
|
|
function _emscripten_fetch_free(id) {
|
|
if (Fetch.xhrs.has(id)) {
|
|
var xhr = Fetch.xhrs.get(id);
|
|
Fetch.xhrs.free(id);
|
|
// check if fetch is still in progress and should be aborted
|
|
if (xhr.readyState > 0 && xhr.readyState < 4) {
|
|
xhr.abort();
|
|
}
|
|
}
|
|
}
|
|
|
|
var getHeapMax = () => // Stay one Wasm page short of 4GB: while e.g. Chrome is able to allocate
|
|
// full 4GB Wasm memories, the size will wrap back to 0 bytes in Wasm side
|
|
// for any code that deals with heap sizes, which would require special
|
|
// casing all heap size related code to treat 0 specially.
|
|
2147483648;
|
|
|
|
var _emscripten_get_heap_max = () => getHeapMax();
|
|
|
|
var _emscripten_num_logical_cores = () => navigator["hardwareConcurrency"];
|
|
|
|
var growMemory = size => {
|
|
var b = wasmMemory.buffer;
|
|
var pages = ((size - b.byteLength + 65535) / 65536) | 0;
|
|
try {
|
|
// round size grow request up to wasm page size (fixed 64KB per spec)
|
|
wasmMemory.grow(pages);
|
|
// .grow() takes a delta compared to the previous size
|
|
updateMemoryViews();
|
|
return 1;
|
|
} catch (e) {
|
|
err(`growMemory: Attempted to grow heap from ${b.byteLength} bytes to ${size} bytes, but got error: ${e}`);
|
|
}
|
|
};
|
|
|
|
var _emscripten_resize_heap = requestedSize => {
|
|
var oldSize = GROWABLE_HEAP_U8().length;
|
|
// With CAN_ADDRESS_2GB or MEMORY64, pointers are already unsigned.
|
|
requestedSize >>>= 0;
|
|
// With multithreaded builds, races can happen (another thread might increase the size
|
|
// in between), so return a failure, and let the caller retry.
|
|
if (requestedSize <= oldSize) {
|
|
return false;
|
|
}
|
|
// Memory resize rules:
|
|
// 1. Always increase heap size to at least the requested size, rounded up
|
|
// to next page multiple.
|
|
// 2a. If MEMORY_GROWTH_LINEAR_STEP == -1, excessively resize the heap
|
|
// geometrically: increase the heap size according to
|
|
// MEMORY_GROWTH_GEOMETRIC_STEP factor (default +20%), At most
|
|
// overreserve by MEMORY_GROWTH_GEOMETRIC_CAP bytes (default 96MB).
|
|
// 2b. If MEMORY_GROWTH_LINEAR_STEP != -1, excessively resize the heap
|
|
// linearly: increase the heap size by at least
|
|
// MEMORY_GROWTH_LINEAR_STEP bytes.
|
|
// 3. Max size for the heap is capped at 2048MB-WASM_PAGE_SIZE, or by
|
|
// MAXIMUM_MEMORY, or by ASAN limit, depending on which is smallest
|
|
// 4. If we were unable to allocate as much memory, it may be due to
|
|
// over-eager decision to excessively reserve due to (3) above.
|
|
// Hence if an allocation fails, cut down on the amount of excess
|
|
// growth, in an attempt to succeed to perform a smaller allocation.
|
|
// A limit is set for how much we can grow. We should not exceed that
|
|
// (the wasm binary specifies it, so if we tried, we'd fail anyhow).
|
|
var maxHeapSize = getHeapMax();
|
|
if (requestedSize > maxHeapSize) {
|
|
err(`Cannot enlarge memory, requested ${requestedSize} bytes, but the limit is ${maxHeapSize} bytes!`);
|
|
return false;
|
|
}
|
|
// Loop through potential heap size increases. If we attempt a too eager
|
|
// reservation that fails, cut down on the attempted size and reserve a
|
|
// smaller bump instead. (max 3 times, chosen somewhat arbitrarily)
|
|
for (var cutDown = 1; cutDown <= 4; cutDown *= 2) {
|
|
var overGrownHeapSize = oldSize * (1 + .2 / cutDown);
|
|
// ensure geometric growth
|
|
// but limit overreserving (default to capping at +96MB overgrowth at most)
|
|
overGrownHeapSize = Math.min(overGrownHeapSize, requestedSize + 100663296);
|
|
var newSize = Math.min(maxHeapSize, alignMemory(Math.max(requestedSize, overGrownHeapSize), 65536));
|
|
var replacement = growMemory(newSize);
|
|
if (replacement) {
|
|
return true;
|
|
}
|
|
}
|
|
err(`Failed to grow the heap from ${oldSize} bytes to ${newSize} bytes, not enough memory!`);
|
|
return false;
|
|
};
|
|
|
|
var _emscripten_runtime_keepalive_check = keepRuntimeAlive;
|
|
|
|
var stringToNewUTF8 = str => {
|
|
var size = lengthBytesUTF8(str) + 1;
|
|
var ret = _malloc(size);
|
|
if (ret) stringToUTF8(str, ret, size);
|
|
return ret;
|
|
};
|
|
|
|
var setOffscreenCanvasSizeOnTargetThread = (targetThread, targetCanvas, width, height) => {
|
|
targetCanvas = targetCanvas ? UTF8ToString(targetCanvas) : "";
|
|
var targetCanvasPtr = 0;
|
|
if (targetCanvas) {
|
|
targetCanvasPtr = stringToNewUTF8(targetCanvas);
|
|
}
|
|
__emscripten_set_offscreencanvas_size_on_thread(targetThread, targetCanvasPtr, width, height);
|
|
};
|
|
|
|
var GLctx;
|
|
|
|
var webgl_enable_ANGLE_instanced_arrays = ctx => {
|
|
// Extension available in WebGL 1 from Firefox 26 and Google Chrome 30 onwards. Core feature in WebGL 2.
|
|
var ext = ctx.getExtension("ANGLE_instanced_arrays");
|
|
// Because this extension is a core function in WebGL 2, assign the extension entry points in place of
|
|
// where the core functions will reside in WebGL 2. This way the calling code can call these without
|
|
// having to dynamically branch depending if running against WebGL 1 or WebGL 2.
|
|
if (ext) {
|
|
ctx["vertexAttribDivisor"] = (index, divisor) => ext["vertexAttribDivisorANGLE"](index, divisor);
|
|
ctx["drawArraysInstanced"] = (mode, first, count, primcount) => ext["drawArraysInstancedANGLE"](mode, first, count, primcount);
|
|
ctx["drawElementsInstanced"] = (mode, count, type, indices, primcount) => ext["drawElementsInstancedANGLE"](mode, count, type, indices, primcount);
|
|
return 1;
|
|
}
|
|
};
|
|
|
|
var webgl_enable_OES_vertex_array_object = ctx => {
|
|
// Extension available in WebGL 1 from Firefox 25 and WebKit 536.28/desktop Safari 6.0.3 onwards. Core feature in WebGL 2.
|
|
var ext = ctx.getExtension("OES_vertex_array_object");
|
|
if (ext) {
|
|
ctx["createVertexArray"] = () => ext["createVertexArrayOES"]();
|
|
ctx["deleteVertexArray"] = vao => ext["deleteVertexArrayOES"](vao);
|
|
ctx["bindVertexArray"] = vao => ext["bindVertexArrayOES"](vao);
|
|
ctx["isVertexArray"] = vao => ext["isVertexArrayOES"](vao);
|
|
return 1;
|
|
}
|
|
};
|
|
|
|
var webgl_enable_WEBGL_draw_buffers = ctx => {
|
|
// Extension available in WebGL 1 from Firefox 28 onwards. Core feature in WebGL 2.
|
|
var ext = ctx.getExtension("WEBGL_draw_buffers");
|
|
if (ext) {
|
|
ctx["drawBuffers"] = (n, bufs) => ext["drawBuffersWEBGL"](n, bufs);
|
|
return 1;
|
|
}
|
|
};
|
|
|
|
var webgl_enable_WEBGL_draw_instanced_base_vertex_base_instance = ctx => // Closure is expected to be allowed to minify the '.dibvbi' property, so not accessing it quoted.
|
|
!!(ctx.dibvbi = ctx.getExtension("WEBGL_draw_instanced_base_vertex_base_instance"));
|
|
|
|
var webgl_enable_WEBGL_multi_draw_instanced_base_vertex_base_instance = ctx => !!(ctx.mdibvbi = ctx.getExtension("WEBGL_multi_draw_instanced_base_vertex_base_instance"));
|
|
|
|
var webgl_enable_EXT_polygon_offset_clamp = ctx => !!(ctx.extPolygonOffsetClamp = ctx.getExtension("EXT_polygon_offset_clamp"));
|
|
|
|
var webgl_enable_EXT_clip_control = ctx => !!(ctx.extClipControl = ctx.getExtension("EXT_clip_control"));
|
|
|
|
var webgl_enable_WEBGL_polygon_mode = ctx => !!(ctx.webglPolygonMode = ctx.getExtension("WEBGL_polygon_mode"));
|
|
|
|
var webgl_enable_WEBGL_multi_draw = ctx => // Closure is expected to be allowed to minify the '.multiDrawWebgl' property, so not accessing it quoted.
|
|
!!(ctx.multiDrawWebgl = ctx.getExtension("WEBGL_multi_draw"));
|
|
|
|
var getEmscriptenSupportedExtensions = ctx => {
|
|
// Restrict the list of advertised extensions to those that we actually
|
|
// support.
|
|
var supportedExtensions = [ // WebGL 1 extensions
|
|
"ANGLE_instanced_arrays", "EXT_blend_minmax", "EXT_disjoint_timer_query", "EXT_frag_depth", "EXT_shader_texture_lod", "EXT_sRGB", "OES_element_index_uint", "OES_fbo_render_mipmap", "OES_standard_derivatives", "OES_texture_float", "OES_texture_half_float", "OES_texture_half_float_linear", "OES_vertex_array_object", "WEBGL_color_buffer_float", "WEBGL_depth_texture", "WEBGL_draw_buffers", // WebGL 2 extensions
|
|
"EXT_color_buffer_float", "EXT_conservative_depth", "EXT_disjoint_timer_query_webgl2", "EXT_texture_norm16", "NV_shader_noperspective_interpolation", "WEBGL_clip_cull_distance", // WebGL 1 and WebGL 2 extensions
|
|
"EXT_clip_control", "EXT_color_buffer_half_float", "EXT_depth_clamp", "EXT_float_blend", "EXT_polygon_offset_clamp", "EXT_texture_compression_bptc", "EXT_texture_compression_rgtc", "EXT_texture_filter_anisotropic", "KHR_parallel_shader_compile", "OES_texture_float_linear", "WEBGL_blend_func_extended", "WEBGL_compressed_texture_astc", "WEBGL_compressed_texture_etc", "WEBGL_compressed_texture_etc1", "WEBGL_compressed_texture_s3tc", "WEBGL_compressed_texture_s3tc_srgb", "WEBGL_debug_renderer_info", "WEBGL_debug_shaders", "WEBGL_lose_context", "WEBGL_multi_draw", "WEBGL_polygon_mode" ];
|
|
// .getSupportedExtensions() can return null if context is lost, so coerce to empty array.
|
|
return (ctx.getSupportedExtensions() || []).filter(ext => supportedExtensions.includes(ext));
|
|
};
|
|
|
|
var GL = {
|
|
counter: 1,
|
|
buffers: [],
|
|
programs: [],
|
|
framebuffers: [],
|
|
renderbuffers: [],
|
|
textures: [],
|
|
shaders: [],
|
|
vaos: [],
|
|
contexts: {},
|
|
offscreenCanvases: {},
|
|
queries: [],
|
|
samplers: [],
|
|
transformFeedbacks: [],
|
|
syncs: [],
|
|
stringCache: {},
|
|
stringiCache: {},
|
|
unpackAlignment: 4,
|
|
unpackRowLength: 0,
|
|
recordError: errorCode => {
|
|
if (!GL.lastError) {
|
|
GL.lastError = errorCode;
|
|
}
|
|
},
|
|
getNewId: table => {
|
|
var ret = GL.counter++;
|
|
for (var i = table.length; i < ret; i++) {
|
|
table[i] = null;
|
|
}
|
|
return ret;
|
|
},
|
|
genObject: (n, buffers, createFunction, objectTable) => {
|
|
for (var i = 0; i < n; i++) {
|
|
var buffer = GLctx[createFunction]();
|
|
var id = buffer && GL.getNewId(objectTable);
|
|
if (buffer) {
|
|
buffer.name = id;
|
|
objectTable[id] = buffer;
|
|
} else {
|
|
GL.recordError(1282);
|
|
}
|
|
GROWABLE_HEAP_I32()[(((buffers) + (i * 4)) >> 2)] = id;
|
|
}
|
|
},
|
|
getSource: (shader, count, string, length) => {
|
|
var source = "";
|
|
for (var i = 0; i < count; ++i) {
|
|
var len = length ? GROWABLE_HEAP_U32()[(((length) + (i * 4)) >> 2)] : undefined;
|
|
source += UTF8ToString(GROWABLE_HEAP_U32()[(((string) + (i * 4)) >> 2)], len);
|
|
}
|
|
return source;
|
|
},
|
|
createContext: (/** @type {HTMLCanvasElement} */ canvas, webGLContextAttributes) => {
|
|
// BUG: Workaround Safari WebGL issue: After successfully acquiring WebGL
|
|
// context on a canvas, calling .getContext() will always return that
|
|
// context independent of which 'webgl' or 'webgl2'
|
|
// context version was passed. See:
|
|
// https://bugs.webkit.org/show_bug.cgi?id=222758
|
|
// and:
|
|
// https://github.com/emscripten-core/emscripten/issues/13295.
|
|
// TODO: Once the bug is fixed and shipped in Safari, adjust the Safari
|
|
// version field in above check.
|
|
if (!canvas.getContextSafariWebGL2Fixed) {
|
|
canvas.getContextSafariWebGL2Fixed = canvas.getContext;
|
|
/** @type {function(this:HTMLCanvasElement, string, (Object|null)=): (Object|null)} */ function fixedGetContext(ver, attrs) {
|
|
var gl = canvas.getContextSafariWebGL2Fixed(ver, attrs);
|
|
return ((ver == "webgl") == (gl instanceof WebGLRenderingContext)) ? gl : null;
|
|
}
|
|
canvas.getContext = fixedGetContext;
|
|
}
|
|
var ctx = (webGLContextAttributes.majorVersion > 1) ? canvas.getContext("webgl2", webGLContextAttributes) : canvas.getContext("webgl", webGLContextAttributes);
|
|
if (!ctx) return 0;
|
|
var handle = GL.registerContext(ctx, webGLContextAttributes);
|
|
return handle;
|
|
},
|
|
registerContext: (ctx, webGLContextAttributes) => {
|
|
// with pthreads a context is a location in memory with some synchronized
|
|
// data between threads
|
|
var handle = _malloc(8);
|
|
GROWABLE_HEAP_U32()[(((handle) + (4)) >> 2)] = _pthread_self();
|
|
// the thread pointer of the thread that owns the control of the context
|
|
var context = {
|
|
handle,
|
|
attributes: webGLContextAttributes,
|
|
version: webGLContextAttributes.majorVersion,
|
|
GLctx: ctx
|
|
};
|
|
// Store the created context object so that we can access the context
|
|
// given a canvas without having to pass the parameters again.
|
|
if (ctx.canvas) ctx.canvas.GLctxObject = context;
|
|
GL.contexts[handle] = context;
|
|
if (typeof webGLContextAttributes.enableExtensionsByDefault == "undefined" || webGLContextAttributes.enableExtensionsByDefault) {
|
|
GL.initExtensions(context);
|
|
}
|
|
return handle;
|
|
},
|
|
makeContextCurrent: contextHandle => {
|
|
// Active Emscripten GL layer context object.
|
|
GL.currentContext = GL.contexts[contextHandle];
|
|
// Active WebGL context object.
|
|
Module["ctx"] = GLctx = GL.currentContext?.GLctx;
|
|
return !(contextHandle && !GLctx);
|
|
},
|
|
getContext: contextHandle => GL.contexts[contextHandle],
|
|
deleteContext: contextHandle => {
|
|
if (GL.currentContext === GL.contexts[contextHandle]) {
|
|
GL.currentContext = null;
|
|
}
|
|
if (typeof JSEvents == "object") {
|
|
// Release all JS event handlers on the DOM element that the GL context is
|
|
// associated with since the context is now deleted.
|
|
JSEvents.removeAllHandlersOnTarget(GL.contexts[contextHandle].GLctx.canvas);
|
|
}
|
|
// Make sure the canvas object no longer refers to the context object so
|
|
// there are no GC surprises.
|
|
if (GL.contexts[contextHandle]?.GLctx.canvas) {
|
|
GL.contexts[contextHandle].GLctx.canvas.GLctxObject = undefined;
|
|
}
|
|
_free(GL.contexts[contextHandle].handle);
|
|
GL.contexts[contextHandle] = null;
|
|
},
|
|
initExtensions: context => {
|
|
// If this function is called without a specific context object, init the
|
|
// extensions of the currently active context.
|
|
context ||= GL.currentContext;
|
|
if (context.initExtensionsDone) return;
|
|
context.initExtensionsDone = true;
|
|
var GLctx = context.GLctx;
|
|
// Detect the presence of a few extensions manually, ction GL interop
|
|
// layer itself will need to know if they exist.
|
|
// Extensions that are available in both WebGL 1 and WebGL 2
|
|
webgl_enable_WEBGL_multi_draw(GLctx);
|
|
webgl_enable_EXT_polygon_offset_clamp(GLctx);
|
|
webgl_enable_EXT_clip_control(GLctx);
|
|
webgl_enable_WEBGL_polygon_mode(GLctx);
|
|
// Extensions that are only available in WebGL 1 (the calls will be no-ops
|
|
// if called on a WebGL 2 context active)
|
|
webgl_enable_ANGLE_instanced_arrays(GLctx);
|
|
webgl_enable_OES_vertex_array_object(GLctx);
|
|
webgl_enable_WEBGL_draw_buffers(GLctx);
|
|
// 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");
|
|
}
|
|
getEmscriptenSupportedExtensions(GLctx).forEach(ext => {
|
|
// WEBGL_lose_context, WEBGL_debug_renderer_info and WEBGL_debug_shaders
|
|
// are not enabled by default.
|
|
if (!ext.includes("lose_context") && !ext.includes("debug")) {
|
|
// Call .getExtension() to enable that extension permanently.
|
|
GLctx.getExtension(ext);
|
|
}
|
|
});
|
|
}
|
|
};
|
|
|
|
var maybeCStringToJsString = cString => cString > 2 ? UTF8ToString(cString) : cString;
|
|
|
|
var findCanvasEventTarget = target => {
|
|
target = maybeCStringToJsString(target);
|
|
// When compiling with OffscreenCanvas support and looking up a canvas to target,
|
|
// we first look up if the target Canvas has been transferred to OffscreenCanvas use.
|
|
// These transfers are represented/tracked by GL.offscreenCanvases object, which contain
|
|
// the OffscreenCanvas element for each regular Canvas element that has been transferred.
|
|
// Note that each pthread/worker have their own set of GL.offscreenCanvases. That is,
|
|
// when an OffscreenCanvas is transferred from a pthread/main thread to another pthread,
|
|
// it will move in the GL.offscreenCanvases array between threads. Hence GL.offscreenCanvases
|
|
// represents the set of OffscreenCanvases owned by the current calling thread.
|
|
// First check out the list of OffscreenCanvases by CSS selector ID ('#myCanvasID')
|
|
return GL.offscreenCanvases[target.slice(1)] || (target == "canvas" && Object.keys(GL.offscreenCanvases)[0]) || (typeof document != "undefined" && document.querySelector(target));
|
|
};
|
|
|
|
var setCanvasElementSizeCallingThread = (target, width, height) => {
|
|
var canvas = findCanvasEventTarget(target);
|
|
if (!canvas) return -4;
|
|
if (canvas.canvasSharedPtr) {
|
|
// N.B. We hold the canvasSharedPtr info structure as the authoritative source for specifying the size of a canvas
|
|
// since the actual canvas size changes are asynchronous if the canvas is owned by an OffscreenCanvas on another thread.
|
|
// Therefore when setting the size, eagerly set the size of the canvas on the calling thread here, though this thread
|
|
// might not be the one that actually ends up specifying the size, but the actual size change may be dispatched
|
|
// as an asynchronous event below.
|
|
GROWABLE_HEAP_I32()[((canvas.canvasSharedPtr) >> 2)] = width;
|
|
GROWABLE_HEAP_I32()[(((canvas.canvasSharedPtr) + (4)) >> 2)] = height;
|
|
}
|
|
if (canvas.offscreenCanvas || !canvas.controlTransferredOffscreen) {
|
|
if (canvas.offscreenCanvas) canvas = canvas.offscreenCanvas;
|
|
var autoResizeViewport = false;
|
|
if (canvas.GLctxObject?.GLctx) {
|
|
var prevViewport = canvas.GLctxObject.GLctx.getParameter(2978);
|
|
// TODO: Perhaps autoResizeViewport should only be true if FBO 0 is currently active?
|
|
autoResizeViewport = (prevViewport[0] === 0 && prevViewport[1] === 0 && prevViewport[2] === canvas.width && prevViewport[3] === canvas.height);
|
|
}
|
|
canvas.width = width;
|
|
canvas.height = height;
|
|
if (autoResizeViewport) {
|
|
// TODO: Add -sCANVAS_RESIZE_SETS_GL_VIEWPORT=0/1 option (default=1). This is commonly done and several graphics engines depend on this,
|
|
// but this can be quite disruptive.
|
|
canvas.GLctxObject.GLctx.viewport(0, 0, width, height);
|
|
}
|
|
} else if (canvas.canvasSharedPtr) {
|
|
var targetThread = GROWABLE_HEAP_U32()[(((canvas.canvasSharedPtr) + (8)) >> 2)];
|
|
setOffscreenCanvasSizeOnTargetThread(targetThread, target, width, height);
|
|
return 1;
|
|
} else {
|
|
return -4;
|
|
}
|
|
return 0;
|
|
};
|
|
|
|
function setCanvasElementSizeMainThread(target, width, height) {
|
|
if (ENVIRONMENT_IS_PTHREAD) return proxyToMainThread(9, 0, 1, target, width, height);
|
|
return setCanvasElementSizeCallingThread(target, width, height);
|
|
}
|
|
|
|
var _emscripten_set_canvas_element_size = (target, width, height) => {
|
|
var canvas = findCanvasEventTarget(target);
|
|
if (canvas) {
|
|
return setCanvasElementSizeCallingThread(target, width, height);
|
|
}
|
|
return setCanvasElementSizeMainThread(target, width, height);
|
|
};
|
|
|
|
class HandleAllocator {
|
|
allocated=[ undefined ];
|
|
freelist=[];
|
|
get(id) {
|
|
assert(this.allocated[id] !== undefined, `invalid handle: ${id}`);
|
|
return this.allocated[id];
|
|
}
|
|
has(id) {
|
|
return this.allocated[id] !== undefined;
|
|
}
|
|
allocate(handle) {
|
|
var id = this.freelist.pop() || this.allocated.length;
|
|
this.allocated[id] = handle;
|
|
return id;
|
|
}
|
|
free(id) {
|
|
assert(this.allocated[id] !== undefined);
|
|
// Set the slot to `undefined` rather than using `delete` here since
|
|
// apparently arrays with holes in them can be less efficient.
|
|
this.allocated[id] = undefined;
|
|
this.freelist.push(id);
|
|
}
|
|
}
|
|
|
|
var Fetch = {
|
|
openDatabase(dbname, dbversion, onsuccess, onerror) {
|
|
try {
|
|
var openRequest = indexedDB.open(dbname, dbversion);
|
|
} catch (e) {
|
|
return onerror(e);
|
|
}
|
|
openRequest.onupgradeneeded = event => {
|
|
var db = /** @type {IDBDatabase} */ (event.target.result);
|
|
if (db.objectStoreNames.contains("FILES")) {
|
|
db.deleteObjectStore("FILES");
|
|
}
|
|
db.createObjectStore("FILES");
|
|
};
|
|
openRequest.onsuccess = event => onsuccess(event.target.result);
|
|
openRequest.onerror = onerror;
|
|
},
|
|
init() {
|
|
Fetch.xhrs = new HandleAllocator;
|
|
if (ENVIRONMENT_IS_PTHREAD) return;
|
|
var onsuccess = db => {
|
|
Fetch.dbInstance = db;
|
|
removeRunDependency("library_fetch_init");
|
|
};
|
|
var onerror = () => {
|
|
Fetch.dbInstance = false;
|
|
removeRunDependency("library_fetch_init");
|
|
};
|
|
addRunDependency("library_fetch_init");
|
|
Fetch.openDatabase("emscripten_filesystem", 1, onsuccess, onerror);
|
|
}
|
|
};
|
|
|
|
function fetchXHR(fetch, onsuccess, onerror, onprogress, onreadystatechange) {
|
|
var url = GROWABLE_HEAP_U32()[(((fetch) + (8)) >> 2)];
|
|
if (!url) {
|
|
onerror(fetch, 0, "no url specified!");
|
|
return;
|
|
}
|
|
var url_ = UTF8ToString(url);
|
|
var fetch_attr = fetch + 108;
|
|
var requestMethod = UTF8ToString(fetch_attr + 0);
|
|
requestMethod ||= "GET";
|
|
var timeoutMsecs = GROWABLE_HEAP_U32()[(((fetch_attr) + (56)) >> 2)];
|
|
var userName = GROWABLE_HEAP_U32()[(((fetch_attr) + (68)) >> 2)];
|
|
var password = GROWABLE_HEAP_U32()[(((fetch_attr) + (72)) >> 2)];
|
|
var requestHeaders = GROWABLE_HEAP_U32()[(((fetch_attr) + (76)) >> 2)];
|
|
var overriddenMimeType = GROWABLE_HEAP_U32()[(((fetch_attr) + (80)) >> 2)];
|
|
var dataPtr = GROWABLE_HEAP_U32()[(((fetch_attr) + (84)) >> 2)];
|
|
var dataLength = GROWABLE_HEAP_U32()[(((fetch_attr) + (88)) >> 2)];
|
|
var fetchAttributes = GROWABLE_HEAP_U32()[(((fetch_attr) + (52)) >> 2)];
|
|
var fetchAttrLoadToMemory = !!(fetchAttributes & 1);
|
|
var fetchAttrStreamData = !!(fetchAttributes & 2);
|
|
var fetchAttrSynchronous = !!(fetchAttributes & 64);
|
|
var userNameStr = userName ? UTF8ToString(userName) : undefined;
|
|
var passwordStr = password ? UTF8ToString(password) : undefined;
|
|
var xhr = new XMLHttpRequest;
|
|
xhr.withCredentials = !!GROWABLE_HEAP_U8()[(fetch_attr) + (60)];
|
|
xhr.open(requestMethod, url_, !fetchAttrSynchronous, userNameStr, passwordStr);
|
|
if (!fetchAttrSynchronous) xhr.timeout = timeoutMsecs;
|
|
// XHR timeout field is only accessible in async XHRs, and must be set after .open() but before .send().
|
|
xhr.url_ = url_;
|
|
// Save the url for debugging purposes (and for comparing to the responseURL that server side advertised)
|
|
assert(!fetchAttrStreamData, "streaming uses moz-chunked-arraybuffer which is no longer supported; TODO: rewrite using fetch()");
|
|
xhr.responseType = "arraybuffer";
|
|
if (overriddenMimeType) {
|
|
var overriddenMimeTypeStr = UTF8ToString(overriddenMimeType);
|
|
xhr.overrideMimeType(overriddenMimeTypeStr);
|
|
}
|
|
if (requestHeaders) {
|
|
for (;;) {
|
|
var key = GROWABLE_HEAP_U32()[((requestHeaders) >> 2)];
|
|
if (!key) break;
|
|
var value = GROWABLE_HEAP_U32()[(((requestHeaders) + (4)) >> 2)];
|
|
if (!value) break;
|
|
requestHeaders += 8;
|
|
var keyStr = UTF8ToString(key);
|
|
var valueStr = UTF8ToString(value);
|
|
xhr.setRequestHeader(keyStr, valueStr);
|
|
}
|
|
}
|
|
var id = Fetch.xhrs.allocate(xhr);
|
|
GROWABLE_HEAP_U32()[((fetch) >> 2)] = id;
|
|
var data = (dataPtr && dataLength) ? GROWABLE_HEAP_U8().slice(dataPtr, dataPtr + dataLength) : null;
|
|
// TODO: Support specifying custom headers to the request.
|
|
// Share the code to save the response, as we need to do so both on success
|
|
// and on error (despite an error, there may be a response, like a 404 page).
|
|
// This receives a condition, which determines whether to save the xhr's
|
|
// response, or just 0.
|
|
function saveResponseAndStatus() {
|
|
var ptr = 0;
|
|
var ptrLen = 0;
|
|
if (xhr.response && fetchAttrLoadToMemory && GROWABLE_HEAP_U32()[(((fetch) + (12)) >> 2)] === 0) {
|
|
ptrLen = xhr.response.byteLength;
|
|
}
|
|
if (ptrLen > 0) {
|
|
// The data pointer malloc()ed here has the same lifetime as the emscripten_fetch_t structure itself has, and is
|
|
// freed when emscripten_fetch_close() is called.
|
|
ptr = _malloc(ptrLen);
|
|
GROWABLE_HEAP_U8().set(new Uint8Array(/** @type{Array<number>} */ (xhr.response)), ptr);
|
|
}
|
|
GROWABLE_HEAP_U32()[(((fetch) + (12)) >> 2)] = ptr;
|
|
writeI53ToI64(fetch + 16, ptrLen);
|
|
writeI53ToI64(fetch + 24, 0);
|
|
var len = xhr.response ? xhr.response.byteLength : 0;
|
|
if (len) {
|
|
// If the final XHR.onload handler receives the bytedata to compute total length, report that,
|
|
// otherwise don't write anything out here, which will retain the latest byte size reported in
|
|
// the most recent XHR.onprogress handler.
|
|
writeI53ToI64(fetch + 32, len);
|
|
}
|
|
GROWABLE_HEAP_I16()[(((fetch) + (40)) >> 1)] = xhr.readyState;
|
|
GROWABLE_HEAP_I16()[(((fetch) + (42)) >> 1)] = xhr.status;
|
|
if (xhr.statusText) stringToUTF8(xhr.statusText, fetch + 44, 64);
|
|
}
|
|
xhr.onload = e => {
|
|
// check if xhr was aborted by user and don't try to call back
|
|
if (!Fetch.xhrs.has(id)) {
|
|
return;
|
|
}
|
|
saveResponseAndStatus();
|
|
if (xhr.status >= 200 && xhr.status < 300) {
|
|
onsuccess?.(fetch, xhr, e);
|
|
} else {
|
|
onerror?.(fetch, xhr, e);
|
|
}
|
|
};
|
|
xhr.onerror = e => {
|
|
// check if xhr was aborted by user and don't try to call back
|
|
if (!Fetch.xhrs.has(id)) {
|
|
return;
|
|
}
|
|
saveResponseAndStatus();
|
|
onerror?.(fetch, xhr, e);
|
|
};
|
|
xhr.ontimeout = e => {
|
|
// check if xhr was aborted by user and don't try to call back
|
|
if (!Fetch.xhrs.has(id)) {
|
|
return;
|
|
}
|
|
onerror?.(fetch, xhr, e);
|
|
};
|
|
xhr.onprogress = e => {
|
|
// check if xhr was aborted by user and don't try to call back
|
|
if (!Fetch.xhrs.has(id)) {
|
|
return;
|
|
}
|
|
var ptrLen = (fetchAttrLoadToMemory && fetchAttrStreamData && xhr.response) ? xhr.response.byteLength : 0;
|
|
var ptr = 0;
|
|
if (ptrLen > 0 && fetchAttrLoadToMemory && fetchAttrStreamData) {
|
|
assert(onprogress, "When doing a streaming fetch, you should have an onprogress handler registered to receive the chunks!");
|
|
// Allocate byte data in Emscripten heap for the streamed memory block (freed immediately after onprogress call)
|
|
ptr = _malloc(ptrLen);
|
|
GROWABLE_HEAP_U8().set(new Uint8Array(/** @type{Array<number>} */ (xhr.response)), ptr);
|
|
}
|
|
GROWABLE_HEAP_U32()[(((fetch) + (12)) >> 2)] = ptr;
|
|
writeI53ToI64(fetch + 16, ptrLen);
|
|
writeI53ToI64(fetch + 24, e.loaded - ptrLen);
|
|
writeI53ToI64(fetch + 32, e.total);
|
|
GROWABLE_HEAP_I16()[(((fetch) + (40)) >> 1)] = xhr.readyState;
|
|
// If loading files from a source that does not give HTTP status code, assume success if we get data bytes
|
|
if (xhr.readyState >= 3 && xhr.status === 0 && e.loaded > 0) xhr.status = 200;
|
|
GROWABLE_HEAP_I16()[(((fetch) + (42)) >> 1)] = xhr.status;
|
|
if (xhr.statusText) stringToUTF8(xhr.statusText, fetch + 44, 64);
|
|
onprogress?.(fetch, xhr, e);
|
|
if (ptr) {
|
|
_free(ptr);
|
|
}
|
|
};
|
|
xhr.onreadystatechange = e => {
|
|
// check if xhr was aborted by user and don't try to call back
|
|
if (!Fetch.xhrs.has(id)) {
|
|
runtimeKeepalivePop();
|
|
return;
|
|
}
|
|
GROWABLE_HEAP_I16()[(((fetch) + (40)) >> 1)] = xhr.readyState;
|
|
if (xhr.readyState >= 2) {
|
|
GROWABLE_HEAP_I16()[(((fetch) + (42)) >> 1)] = xhr.status;
|
|
}
|
|
onreadystatechange?.(fetch, xhr, e);
|
|
};
|
|
try {
|
|
xhr.send(data);
|
|
} catch (e) {
|
|
onerror?.(fetch, xhr, e);
|
|
}
|
|
}
|
|
|
|
var readI53FromI64 = ptr => GROWABLE_HEAP_U32()[((ptr) >> 2)] + GROWABLE_HEAP_I32()[(((ptr) + (4)) >> 2)] * 4294967296;
|
|
|
|
var readI53FromU64 = ptr => GROWABLE_HEAP_U32()[((ptr) >> 2)] + GROWABLE_HEAP_U32()[(((ptr) + (4)) >> 2)] * 4294967296;
|
|
|
|
var writeI53ToI64 = (ptr, num) => {
|
|
GROWABLE_HEAP_U32()[((ptr) >> 2)] = num;
|
|
var lower = GROWABLE_HEAP_U32()[((ptr) >> 2)];
|
|
GROWABLE_HEAP_U32()[(((ptr) + (4)) >> 2)] = (num - lower) / 4294967296;
|
|
var deserialized = (num >= 0) ? readI53FromU64(ptr) : readI53FromI64(ptr);
|
|
var offset = ((ptr) >> 2);
|
|
if (deserialized != num) warnOnce(`writeI53ToI64() out of range: serialized JS Number ${num} to Wasm heap as bytes lo=${ptrToString(GROWABLE_HEAP_U32()[offset])}, hi=${ptrToString(GROWABLE_HEAP_U32()[offset + 1])}, which deserializes back to ${deserialized} instead!`);
|
|
};
|
|
|
|
function fetchCacheData(/** @type {IDBDatabase} */ db, fetch, data, onsuccess, onerror) {
|
|
if (!db) {
|
|
onerror(fetch, 0, "IndexedDB not available!");
|
|
return;
|
|
}
|
|
var fetch_attr = fetch + 108;
|
|
var destinationPath = GROWABLE_HEAP_U32()[(((fetch_attr) + (64)) >> 2)];
|
|
destinationPath ||= GROWABLE_HEAP_U32()[(((fetch) + (8)) >> 2)];
|
|
var destinationPathStr = UTF8ToString(destinationPath);
|
|
try {
|
|
var transaction = db.transaction([ "FILES" ], "readwrite");
|
|
var packages = transaction.objectStore("FILES");
|
|
var putRequest = packages.put(data, destinationPathStr);
|
|
putRequest.onsuccess = event => {
|
|
GROWABLE_HEAP_I16()[(((fetch) + (40)) >> 1)] = 4;
|
|
// Mimic XHR readyState 4 === 'DONE: The operation is complete'
|
|
GROWABLE_HEAP_I16()[(((fetch) + (42)) >> 1)] = 200;
|
|
// Mimic XHR HTTP status code 200 "OK"
|
|
stringToUTF8("OK", fetch + 44, 64);
|
|
onsuccess(fetch, 0, destinationPathStr);
|
|
};
|
|
putRequest.onerror = error => {
|
|
// Most likely we got an error if IndexedDB is unwilling to store any more data for this page.
|
|
// TODO: Can we identify and break down different IndexedDB-provided errors and convert those
|
|
// to more HTTP status codes for more information?
|
|
GROWABLE_HEAP_I16()[(((fetch) + (40)) >> 1)] = 4;
|
|
// Mimic XHR readyState 4 === 'DONE: The operation is complete'
|
|
GROWABLE_HEAP_I16()[(((fetch) + (42)) >> 1)] = 413;
|
|
// Mimic XHR HTTP status code 413 "Payload Too Large"
|
|
stringToUTF8("Payload Too Large", fetch + 44, 64);
|
|
onerror(fetch, 0, error);
|
|
};
|
|
} catch (e) {
|
|
onerror(fetch, 0, e);
|
|
}
|
|
}
|
|
|
|
function fetchLoadCachedData(db, fetch, onsuccess, onerror) {
|
|
if (!db) {
|
|
onerror(fetch, 0, "IndexedDB not available!");
|
|
return;
|
|
}
|
|
var fetch_attr = fetch + 108;
|
|
var path = GROWABLE_HEAP_U32()[(((fetch_attr) + (64)) >> 2)];
|
|
path ||= GROWABLE_HEAP_U32()[(((fetch) + (8)) >> 2)];
|
|
var pathStr = UTF8ToString(path);
|
|
try {
|
|
var transaction = db.transaction([ "FILES" ], "readonly");
|
|
var packages = transaction.objectStore("FILES");
|
|
var getRequest = packages.get(pathStr);
|
|
getRequest.onsuccess = event => {
|
|
if (event.target.result) {
|
|
var value = event.target.result;
|
|
var len = value.byteLength || value.length;
|
|
// The data pointer malloc()ed here has the same lifetime as the emscripten_fetch_t structure itself has, and is
|
|
// freed when emscripten_fetch_close() is called.
|
|
var ptr = _malloc(len);
|
|
GROWABLE_HEAP_U8().set(new Uint8Array(value), ptr);
|
|
GROWABLE_HEAP_U32()[(((fetch) + (12)) >> 2)] = ptr;
|
|
writeI53ToI64(fetch + 16, len);
|
|
writeI53ToI64(fetch + 24, 0);
|
|
writeI53ToI64(fetch + 32, len);
|
|
GROWABLE_HEAP_I16()[(((fetch) + (40)) >> 1)] = 4;
|
|
// Mimic XHR readyState 4 === 'DONE: The operation is complete'
|
|
GROWABLE_HEAP_I16()[(((fetch) + (42)) >> 1)] = 200;
|
|
// Mimic XHR HTTP status code 200 "OK"
|
|
stringToUTF8("OK", fetch + 44, 64);
|
|
onsuccess(fetch, 0, value);
|
|
} else {
|
|
// Succeeded to load, but the load came back with the value of undefined, treat that as an error since we never store undefined in db.
|
|
GROWABLE_HEAP_I16()[(((fetch) + (40)) >> 1)] = 4;
|
|
// Mimic XHR readyState 4 === 'DONE: The operation is complete'
|
|
GROWABLE_HEAP_I16()[(((fetch) + (42)) >> 1)] = 404;
|
|
// Mimic XHR HTTP status code 404 "Not Found"
|
|
stringToUTF8("Not Found", fetch + 44, 64);
|
|
onerror(fetch, 0, "no data");
|
|
}
|
|
};
|
|
getRequest.onerror = error => {
|
|
GROWABLE_HEAP_I16()[(((fetch) + (40)) >> 1)] = 4;
|
|
// Mimic XHR readyState 4 === 'DONE: The operation is complete'
|
|
GROWABLE_HEAP_I16()[(((fetch) + (42)) >> 1)] = 404;
|
|
// Mimic XHR HTTP status code 404 "Not Found"
|
|
stringToUTF8("Not Found", fetch + 44, 64);
|
|
onerror(fetch, 0, error);
|
|
};
|
|
} catch (e) {
|
|
onerror(fetch, 0, e);
|
|
}
|
|
}
|
|
|
|
function fetchDeleteCachedData(db, fetch, onsuccess, onerror) {
|
|
if (!db) {
|
|
onerror(fetch, 0, "IndexedDB not available!");
|
|
return;
|
|
}
|
|
var fetch_attr = fetch + 108;
|
|
var path = GROWABLE_HEAP_U32()[(((fetch_attr) + (64)) >> 2)];
|
|
path ||= GROWABLE_HEAP_U32()[(((fetch) + (8)) >> 2)];
|
|
var pathStr = UTF8ToString(path);
|
|
try {
|
|
var transaction = db.transaction([ "FILES" ], "readwrite");
|
|
var packages = transaction.objectStore("FILES");
|
|
var request = packages.delete(pathStr);
|
|
request.onsuccess = event => {
|
|
var value = event.target.result;
|
|
GROWABLE_HEAP_U32()[(((fetch) + (12)) >> 2)] = 0;
|
|
writeI53ToI64(fetch + 16, 0);
|
|
writeI53ToI64(fetch + 24, 0);
|
|
writeI53ToI64(fetch + 32, 0);
|
|
// Mimic XHR readyState 4 === 'DONE: The operation is complete'
|
|
GROWABLE_HEAP_I16()[(((fetch) + (40)) >> 1)] = 4;
|
|
// Mimic XHR HTTP status code 200 "OK"
|
|
GROWABLE_HEAP_I16()[(((fetch) + (42)) >> 1)] = 200;
|
|
stringToUTF8("OK", fetch + 44, 64);
|
|
onsuccess(fetch, 0, value);
|
|
};
|
|
request.onerror = error => {
|
|
GROWABLE_HEAP_I16()[(((fetch) + (40)) >> 1)] = 4;
|
|
// Mimic XHR readyState 4 === 'DONE: The operation is complete'
|
|
GROWABLE_HEAP_I16()[(((fetch) + (42)) >> 1)] = 404;
|
|
// Mimic XHR HTTP status code 404 "Not Found"
|
|
stringToUTF8("Not Found", fetch + 44, 64);
|
|
onerror(fetch, 0, error);
|
|
};
|
|
} catch (e) {
|
|
onerror(fetch, 0, e);
|
|
}
|
|
}
|
|
|
|
function _emscripten_start_fetch(fetch, successcb, errorcb, progresscb, readystatechangecb) {
|
|
// Avoid shutting down the runtime since we want to wait for the async
|
|
// response.
|
|
runtimeKeepalivePush();
|
|
var fetch_attr = fetch + 108;
|
|
var onsuccess = GROWABLE_HEAP_U32()[(((fetch_attr) + (36)) >> 2)];
|
|
var onerror = GROWABLE_HEAP_U32()[(((fetch_attr) + (40)) >> 2)];
|
|
var onprogress = GROWABLE_HEAP_U32()[(((fetch_attr) + (44)) >> 2)];
|
|
var onreadystatechange = GROWABLE_HEAP_U32()[(((fetch_attr) + (48)) >> 2)];
|
|
var fetchAttributes = GROWABLE_HEAP_U32()[(((fetch_attr) + (52)) >> 2)];
|
|
var fetchAttrSynchronous = !!(fetchAttributes & 64);
|
|
function doCallback(f) {
|
|
if (fetchAttrSynchronous) {
|
|
f();
|
|
} else {
|
|
callUserCallback(f);
|
|
}
|
|
}
|
|
var reportSuccess = (fetch, xhr, e) => {
|
|
runtimeKeepalivePop();
|
|
doCallback(() => {
|
|
if (onsuccess) (a1 => dynCall_vi(onsuccess, a1))(fetch); else successcb?.(fetch);
|
|
});
|
|
};
|
|
var reportProgress = (fetch, xhr, e) => {
|
|
doCallback(() => {
|
|
if (onprogress) (a1 => dynCall_vi(onprogress, a1))(fetch); else progresscb?.(fetch);
|
|
});
|
|
};
|
|
var reportError = (fetch, xhr, e) => {
|
|
runtimeKeepalivePop();
|
|
doCallback(() => {
|
|
if (onerror) (a1 => dynCall_vi(onerror, a1))(fetch); else errorcb?.(fetch);
|
|
});
|
|
};
|
|
var reportReadyStateChange = (fetch, xhr, e) => {
|
|
doCallback(() => {
|
|
if (onreadystatechange) (a1 => dynCall_vi(onreadystatechange, a1))(fetch); else readystatechangecb?.(fetch);
|
|
});
|
|
};
|
|
var performUncachedXhr = (fetch, xhr, e) => {
|
|
fetchXHR(fetch, reportSuccess, reportError, reportProgress, reportReadyStateChange);
|
|
};
|
|
var cacheResultAndReportSuccess = (fetch, xhr, e) => {
|
|
var storeSuccess = (fetch, xhr, e) => {
|
|
runtimeKeepalivePop();
|
|
doCallback(() => {
|
|
if (onsuccess) (a1 => dynCall_vi(onsuccess, a1))(fetch); else successcb?.(fetch);
|
|
});
|
|
};
|
|
var storeError = (fetch, xhr, e) => {
|
|
runtimeKeepalivePop();
|
|
doCallback(() => {
|
|
if (onsuccess) (a1 => dynCall_vi(onsuccess, a1))(fetch); else successcb?.(fetch);
|
|
});
|
|
};
|
|
fetchCacheData(Fetch.dbInstance, fetch, xhr.response, storeSuccess, storeError);
|
|
};
|
|
var performCachedXhr = (fetch, xhr, e) => {
|
|
fetchXHR(fetch, cacheResultAndReportSuccess, reportError, reportProgress, reportReadyStateChange);
|
|
};
|
|
var requestMethod = UTF8ToString(fetch_attr + 0);
|
|
var fetchAttrReplace = !!(fetchAttributes & 16);
|
|
var fetchAttrPersistFile = !!(fetchAttributes & 4);
|
|
var fetchAttrNoDownload = !!(fetchAttributes & 32);
|
|
if (requestMethod === "EM_IDB_STORE") {
|
|
// TODO(?): Here we perform a clone of the data, because storing shared typed arrays to IndexedDB does not seem to be allowed.
|
|
var ptr = GROWABLE_HEAP_U32()[(((fetch_attr) + (84)) >> 2)];
|
|
var size = GROWABLE_HEAP_U32()[(((fetch_attr) + (88)) >> 2)];
|
|
fetchCacheData(Fetch.dbInstance, fetch, GROWABLE_HEAP_U8().slice(ptr, ptr + size), reportSuccess, reportError);
|
|
} else if (requestMethod === "EM_IDB_DELETE") {
|
|
fetchDeleteCachedData(Fetch.dbInstance, fetch, reportSuccess, reportError);
|
|
} else if (!fetchAttrReplace) {
|
|
fetchLoadCachedData(Fetch.dbInstance, fetch, reportSuccess, fetchAttrNoDownload ? reportError : (fetchAttrPersistFile ? performCachedXhr : performUncachedXhr));
|
|
} else if (!fetchAttrNoDownload) {
|
|
fetchXHR(fetch, fetchAttrPersistFile ? cacheResultAndReportSuccess : reportSuccess, reportError, reportProgress, reportReadyStateChange);
|
|
} else {
|
|
return 0;
|
|
}
|
|
return fetch;
|
|
}
|
|
|
|
var registerPreMainLoop = f => {
|
|
// Does nothing unless $MainLoop is included/used.
|
|
typeof MainLoop != "undefined" && MainLoop.preMainLoop.push(f);
|
|
};
|
|
|
|
var _emscripten_supports_offscreencanvas = () => // TODO: Add a new build mode, e.g. OFFSCREENCANVAS_SUPPORT=2, which
|
|
// necessitates OffscreenCanvas support at build time, and "return 1;" here in that build mode.
|
|
typeof OffscreenCanvas != "undefined";
|
|
|
|
var webglPowerPreferences = [ "default", "low-power", "high-performance" ];
|
|
|
|
/** @suppress {duplicate } */ var _emscripten_webgl_do_create_context = (target, attributes) => {
|
|
assert(attributes);
|
|
var attr32 = ((attributes) >> 2);
|
|
var powerPreference = GROWABLE_HEAP_I32()[attr32 + (8 >> 2)];
|
|
var contextAttributes = {
|
|
"alpha": !!GROWABLE_HEAP_I8()[attributes + 0],
|
|
"depth": !!GROWABLE_HEAP_I8()[attributes + 1],
|
|
"stencil": !!GROWABLE_HEAP_I8()[attributes + 2],
|
|
"antialias": !!GROWABLE_HEAP_I8()[attributes + 3],
|
|
"premultipliedAlpha": !!GROWABLE_HEAP_I8()[attributes + 4],
|
|
"preserveDrawingBuffer": !!GROWABLE_HEAP_I8()[attributes + 5],
|
|
"powerPreference": webglPowerPreferences[powerPreference],
|
|
"failIfMajorPerformanceCaveat": !!GROWABLE_HEAP_I8()[attributes + 12],
|
|
// The following are not predefined WebGL context attributes in the WebGL specification, so the property names can be minified by Closure.
|
|
majorVersion: GROWABLE_HEAP_I32()[attr32 + (16 >> 2)],
|
|
minorVersion: GROWABLE_HEAP_I32()[attr32 + (20 >> 2)],
|
|
enableExtensionsByDefault: GROWABLE_HEAP_I8()[attributes + 24],
|
|
explicitSwapControl: GROWABLE_HEAP_I8()[attributes + 25],
|
|
proxyContextToMainThread: GROWABLE_HEAP_I32()[attr32 + (28 >> 2)],
|
|
renderViaOffscreenBackBuffer: GROWABLE_HEAP_I8()[attributes + 32]
|
|
};
|
|
// TODO: Make these into hard errors at some point in the future
|
|
if (contextAttributes.majorVersion !== 1 && contextAttributes.majorVersion !== 2) {
|
|
err(`Invalid WebGL version requested: ${contextAttributes.majorVersion}`);
|
|
}
|
|
var canvas = findCanvasEventTarget(target);
|
|
// If our canvas from findCanvasEventTarget is actually an offscreen canvas record, we should extract the inner canvas.
|
|
if (canvas?.canvas) {
|
|
canvas = canvas.canvas;
|
|
}
|
|
if (!canvas) {
|
|
return 0;
|
|
}
|
|
if (canvas.offscreenCanvas) canvas = canvas.offscreenCanvas;
|
|
if (contextAttributes.explicitSwapControl) {
|
|
var supportsOffscreenCanvas = canvas.transferControlToOffscreen || (_emscripten_supports_offscreencanvas() && canvas instanceof OffscreenCanvas);
|
|
if (!supportsOffscreenCanvas) {
|
|
return 0;
|
|
}
|
|
if (canvas.transferControlToOffscreen) {
|
|
if (!canvas.controlTransferredOffscreen) {
|
|
GL.offscreenCanvases[canvas.id] = {
|
|
canvas: canvas.transferControlToOffscreen(),
|
|
canvasSharedPtr: _malloc(12),
|
|
id: canvas.id
|
|
};
|
|
canvas.controlTransferredOffscreen = true;
|
|
} else if (!GL.offscreenCanvases[canvas.id]) {
|
|
return 0;
|
|
}
|
|
canvas = GL.offscreenCanvases[canvas.id].canvas;
|
|
}
|
|
}
|
|
var contextHandle = GL.createContext(canvas, contextAttributes);
|
|
return contextHandle;
|
|
};
|
|
|
|
var _emscripten_webgl_create_context = _emscripten_webgl_do_create_context;
|
|
|
|
var _emscripten_webgl_destroy_context_calling_thread = contextHandle => {
|
|
if (GL.currentContext == contextHandle) GL.currentContext = 0;
|
|
GL.deleteContext(contextHandle);
|
|
};
|
|
|
|
var _emscripten_webgl_destroy_context_main_thread = _emscripten_webgl_destroy_context_calling_thread;
|
|
|
|
function _emscripten_webgl_destroy_context(p0) {
|
|
return GL.contexts[p0] ? _emscripten_webgl_destroy_context_calling_thread(p0) : _emscripten_webgl_destroy_context_main_thread(p0);
|
|
}
|
|
|
|
var _emscripten_webgl_make_context_current = contextHandle => {
|
|
var success = GL.makeContextCurrent(contextHandle);
|
|
return success ? 0 : -5;
|
|
};
|
|
|
|
var ENV = {};
|
|
|
|
var getExecutableName = () => thisProgram || "./this.program";
|
|
|
|
var getEnvStrings = () => {
|
|
if (!getEnvStrings.strings) {
|
|
// Default values.
|
|
// Browser language detection #8751
|
|
var lang = ((typeof navigator == "object" && navigator.languages && navigator.languages[0]) || "C").replace("-", "_") + ".UTF-8";
|
|
var env = {
|
|
"USER": "web_user",
|
|
"LOGNAME": "web_user",
|
|
"PATH": "/",
|
|
"PWD": "/",
|
|
"HOME": "/home/web_user",
|
|
"LANG": lang,
|
|
"_": getExecutableName()
|
|
};
|
|
// Apply the user-provided values, if any.
|
|
for (var x in ENV) {
|
|
// x is a key in ENV; if ENV[x] is undefined, that means it was
|
|
// explicitly set to be so. We allow user code to do that to
|
|
// force variables with default values to remain unset.
|
|
if (ENV[x] === undefined) delete env[x]; else env[x] = ENV[x];
|
|
}
|
|
var strings = [];
|
|
for (var x in env) {
|
|
strings.push(`${x}=${env[x]}`);
|
|
}
|
|
getEnvStrings.strings = strings;
|
|
}
|
|
return getEnvStrings.strings;
|
|
};
|
|
|
|
var stringToAscii = (str, buffer) => {
|
|
for (var i = 0; i < str.length; ++i) {
|
|
assert(str.charCodeAt(i) === (str.charCodeAt(i) & 255));
|
|
GROWABLE_HEAP_I8()[buffer++] = str.charCodeAt(i);
|
|
}
|
|
// Null-terminate the string
|
|
GROWABLE_HEAP_I8()[buffer] = 0;
|
|
};
|
|
|
|
var _environ_get = function(__environ, environ_buf) {
|
|
if (ENVIRONMENT_IS_PTHREAD) return proxyToMainThread(10, 0, 1, __environ, environ_buf);
|
|
var bufSize = 0;
|
|
getEnvStrings().forEach((string, i) => {
|
|
var ptr = environ_buf + bufSize;
|
|
GROWABLE_HEAP_U32()[(((__environ) + (i * 4)) >> 2)] = ptr;
|
|
stringToAscii(string, ptr);
|
|
bufSize += string.length + 1;
|
|
});
|
|
return 0;
|
|
};
|
|
|
|
var _environ_sizes_get = function(penviron_count, penviron_buf_size) {
|
|
if (ENVIRONMENT_IS_PTHREAD) return proxyToMainThread(11, 0, 1, penviron_count, penviron_buf_size);
|
|
var strings = getEnvStrings();
|
|
GROWABLE_HEAP_U32()[((penviron_count) >> 2)] = strings.length;
|
|
var bufSize = 0;
|
|
strings.forEach(string => bufSize += string.length + 1);
|
|
GROWABLE_HEAP_U32()[((penviron_buf_size) >> 2)] = bufSize;
|
|
return 0;
|
|
};
|
|
|
|
function _fd_close(fd) {
|
|
if (ENVIRONMENT_IS_PTHREAD) return proxyToMainThread(12, 0, 1, fd);
|
|
try {
|
|
var stream = SYSCALLS.getStreamFromFD(fd);
|
|
FS.close(stream);
|
|
return 0;
|
|
} catch (e) {
|
|
if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
|
|
return e.errno;
|
|
}
|
|
}
|
|
|
|
function _fd_fdstat_get(fd, pbuf) {
|
|
if (ENVIRONMENT_IS_PTHREAD) return proxyToMainThread(13, 0, 1, fd, pbuf);
|
|
try {
|
|
var rightsBase = 0;
|
|
var rightsInheriting = 0;
|
|
var flags = 0;
|
|
{
|
|
var stream = SYSCALLS.getStreamFromFD(fd);
|
|
// All character devices are terminals (other things a Linux system would
|
|
// assume is a character device, like the mouse, we have special APIs for).
|
|
var type = stream.tty ? 2 : FS.isDir(stream.mode) ? 3 : FS.isLink(stream.mode) ? 7 : 4;
|
|
}
|
|
GROWABLE_HEAP_I8()[pbuf] = type;
|
|
GROWABLE_HEAP_I16()[(((pbuf) + (2)) >> 1)] = flags;
|
|
HEAP64[(((pbuf) + (8)) >> 3)] = BigInt(rightsBase);
|
|
HEAP64[(((pbuf) + (16)) >> 3)] = BigInt(rightsInheriting);
|
|
return 0;
|
|
} catch (e) {
|
|
if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
|
|
return e.errno;
|
|
}
|
|
}
|
|
|
|
/** @param {number=} offset */ var doReadv = (stream, iov, iovcnt, offset) => {
|
|
var ret = 0;
|
|
for (var i = 0; i < iovcnt; i++) {
|
|
var ptr = GROWABLE_HEAP_U32()[((iov) >> 2)];
|
|
var len = GROWABLE_HEAP_U32()[(((iov) + (4)) >> 2)];
|
|
iov += 8;
|
|
var curr = FS.read(stream, GROWABLE_HEAP_I8(), ptr, len, offset);
|
|
if (curr < 0) return -1;
|
|
ret += curr;
|
|
if (curr < len) break;
|
|
// nothing more to read
|
|
if (typeof offset != "undefined") {
|
|
offset += curr;
|
|
}
|
|
}
|
|
return ret;
|
|
};
|
|
|
|
function _fd_read(fd, iov, iovcnt, pnum) {
|
|
if (ENVIRONMENT_IS_PTHREAD) return proxyToMainThread(14, 0, 1, fd, iov, iovcnt, pnum);
|
|
try {
|
|
var stream = SYSCALLS.getStreamFromFD(fd);
|
|
var num = doReadv(stream, iov, iovcnt);
|
|
GROWABLE_HEAP_U32()[((pnum) >> 2)] = num;
|
|
return 0;
|
|
} catch (e) {
|
|
if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
|
|
return e.errno;
|
|
}
|
|
}
|
|
|
|
function _fd_seek(fd, offset, whence, newOffset) {
|
|
if (ENVIRONMENT_IS_PTHREAD) return proxyToMainThread(15, 0, 1, fd, offset, whence, newOffset);
|
|
offset = bigintToI53Checked(offset);
|
|
try {
|
|
if (isNaN(offset)) return 61;
|
|
var stream = SYSCALLS.getStreamFromFD(fd);
|
|
FS.llseek(stream, offset, whence);
|
|
HEAP64[((newOffset) >> 3)] = BigInt(stream.position);
|
|
if (stream.getdents && offset === 0 && whence === 0) stream.getdents = null;
|
|
// reset readdir state
|
|
return 0;
|
|
} catch (e) {
|
|
if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
|
|
return e.errno;
|
|
}
|
|
}
|
|
|
|
/** @param {number=} offset */ var doWritev = (stream, iov, iovcnt, offset) => {
|
|
var ret = 0;
|
|
for (var i = 0; i < iovcnt; i++) {
|
|
var ptr = GROWABLE_HEAP_U32()[((iov) >> 2)];
|
|
var len = GROWABLE_HEAP_U32()[(((iov) + (4)) >> 2)];
|
|
iov += 8;
|
|
var curr = FS.write(stream, GROWABLE_HEAP_I8(), ptr, len, offset);
|
|
if (curr < 0) return -1;
|
|
ret += curr;
|
|
if (curr < len) {
|
|
// No more space to write.
|
|
break;
|
|
}
|
|
if (typeof offset != "undefined") {
|
|
offset += curr;
|
|
}
|
|
}
|
|
return ret;
|
|
};
|
|
|
|
function _fd_write(fd, iov, iovcnt, pnum) {
|
|
if (ENVIRONMENT_IS_PTHREAD) return proxyToMainThread(16, 0, 1, fd, iov, iovcnt, pnum);
|
|
try {
|
|
var stream = SYSCALLS.getStreamFromFD(fd);
|
|
var num = doWritev(stream, iov, iovcnt);
|
|
GROWABLE_HEAP_U32()[((pnum) >> 2)] = num;
|
|
return 0;
|
|
} catch (e) {
|
|
if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
|
|
return e.errno;
|
|
}
|
|
}
|
|
|
|
var _glActiveTexture = x0 => GLctx.activeTexture(x0);
|
|
|
|
var _glAttachShader = (program, shader) => {
|
|
GLctx.attachShader(GL.programs[program], GL.shaders[shader]);
|
|
};
|
|
|
|
var _glBindBuffer = (target, buffer) => {
|
|
if (target == 35051) {
|
|
// 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 == 35052) {
|
|
// In WebGL 2 gl(Compressed)Tex(Sub)Image[23]D entry points, we need to
|
|
// use a different WebGL 2 API function call when a buffer is bound to
|
|
// GL_PIXEL_UNPACK_BUFFER_BINDING point, so must keep track whether that
|
|
// binding point is non-null to know what is the proper API function to
|
|
// call.
|
|
GLctx.currentPixelUnpackBufferBinding = buffer;
|
|
}
|
|
GLctx.bindBuffer(target, GL.buffers[buffer]);
|
|
};
|
|
|
|
var _glBindFramebuffer = (target, framebuffer) => {
|
|
GLctx.bindFramebuffer(target, GL.framebuffers[framebuffer]);
|
|
};
|
|
|
|
var _glBindTexture = (target, texture) => {
|
|
GLctx.bindTexture(target, GL.textures[texture]);
|
|
};
|
|
|
|
var _glBlendFunc = (x0, x1) => GLctx.blendFunc(x0, x1);
|
|
|
|
var _glBufferData = (target, size, data, usage) => {
|
|
if (GL.currentContext.version >= 2) {
|
|
// If size is zero, WebGL would interpret uploading the whole input
|
|
// arraybuffer (starting from given offset), which would not make sense in
|
|
// WebAssembly, so avoid uploading if size is zero. However we must still
|
|
// call bufferData to establish a backing storage of zero bytes.
|
|
if (data && size) {
|
|
GLctx.bufferData(target, GROWABLE_HEAP_U8(), usage, data, size);
|
|
} else {
|
|
GLctx.bufferData(target, size, usage);
|
|
}
|
|
return;
|
|
}
|
|
// 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 ? GROWABLE_HEAP_U8().subarray(data, data + size) : size, usage);
|
|
};
|
|
|
|
var _glClear = x0 => GLctx.clear(x0);
|
|
|
|
var _glClearColor = (x0, x1, x2, x3) => GLctx.clearColor(x0, x1, x2, x3);
|
|
|
|
var _glCompileShader = shader => {
|
|
GLctx.compileShader(GL.shaders[shader]);
|
|
};
|
|
|
|
var _glCreateProgram = () => {
|
|
var id = GL.getNewId(GL.programs);
|
|
var program = GLctx.createProgram();
|
|
// Store additional information needed for each shader program:
|
|
program.name = id;
|
|
// Lazy cache results of
|
|
// glGetProgramiv(GL_ACTIVE_UNIFORM_MAX_LENGTH/GL_ACTIVE_ATTRIBUTE_MAX_LENGTH/GL_ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH)
|
|
program.maxUniformLength = program.maxAttributeLength = program.maxUniformBlockNameLength = 0;
|
|
program.uniformIdCounter = 1;
|
|
GL.programs[id] = program;
|
|
return id;
|
|
};
|
|
|
|
var _glCreateShader = shaderType => {
|
|
var id = GL.getNewId(GL.shaders);
|
|
GL.shaders[id] = GLctx.createShader(shaderType);
|
|
return id;
|
|
};
|
|
|
|
var _glDeleteFramebuffers = (n, framebuffers) => {
|
|
for (var i = 0; i < n; ++i) {
|
|
var id = GROWABLE_HEAP_I32()[(((framebuffers) + (i * 4)) >> 2)];
|
|
var framebuffer = GL.framebuffers[id];
|
|
if (!framebuffer) continue;
|
|
// GL spec: "glDeleteFramebuffers silently ignores 0s and names that do not correspond to existing framebuffer objects".
|
|
GLctx.deleteFramebuffer(framebuffer);
|
|
framebuffer.name = 0;
|
|
GL.framebuffers[id] = null;
|
|
}
|
|
};
|
|
|
|
var _glDeleteProgram = id => {
|
|
if (!id) return;
|
|
var program = GL.programs[id];
|
|
if (!program) {
|
|
// glDeleteProgram actually signals an error when deleting a nonexisting
|
|
// object, unlike some other GL delete functions.
|
|
GL.recordError(1281);
|
|
return;
|
|
}
|
|
GLctx.deleteProgram(program);
|
|
program.name = 0;
|
|
GL.programs[id] = null;
|
|
};
|
|
|
|
var _glDeleteTextures = (n, textures) => {
|
|
for (var i = 0; i < n; i++) {
|
|
var id = GROWABLE_HEAP_I32()[(((textures) + (i * 4)) >> 2)];
|
|
var texture = GL.textures[id];
|
|
// GL spec: "glDeleteTextures silently ignores 0s and names that do not
|
|
// correspond to existing textures".
|
|
if (!texture) continue;
|
|
GLctx.deleteTexture(texture);
|
|
texture.name = 0;
|
|
GL.textures[id] = null;
|
|
}
|
|
};
|
|
|
|
var _glDepthFunc = x0 => GLctx.depthFunc(x0);
|
|
|
|
var _glDisable = x0 => GLctx.disable(x0);
|
|
|
|
var _glDrawArrays = (mode, first, count) => {
|
|
GLctx.drawArrays(mode, first, count);
|
|
};
|
|
|
|
var _glEnable = x0 => GLctx.enable(x0);
|
|
|
|
var _glEnableVertexAttribArray = index => {
|
|
GLctx.enableVertexAttribArray(index);
|
|
};
|
|
|
|
var _glFramebufferTexture2D = (target, attachment, textarget, texture, level) => {
|
|
GLctx.framebufferTexture2D(target, attachment, textarget, GL.textures[texture], level);
|
|
};
|
|
|
|
var _glGenBuffers = (n, buffers) => {
|
|
GL.genObject(n, buffers, "createBuffer", GL.buffers);
|
|
};
|
|
|
|
var _glGenFramebuffers = (n, ids) => {
|
|
GL.genObject(n, ids, "createFramebuffer", GL.framebuffers);
|
|
};
|
|
|
|
var _glGenTextures = (n, textures) => {
|
|
GL.genObject(n, textures, "createTexture", GL.textures);
|
|
};
|
|
|
|
var _glGetAttribLocation = (program, name) => GLctx.getAttribLocation(GL.programs[program], UTF8ToString(name));
|
|
|
|
var _glGetError = () => {
|
|
var error = GLctx.getError() || GL.lastError;
|
|
GL.lastError = 0;
|
|
return error;
|
|
};
|
|
|
|
var _glGetProgramiv = (program, pname, p) => {
|
|
if (!p) {
|
|
// GLES2 specification does not specify how to behave if p is a null
|
|
// pointer. Since calling this function does not make sense if p == null,
|
|
// issue a GL error to notify user about it.
|
|
GL.recordError(1281);
|
|
return;
|
|
}
|
|
if (program >= GL.counter) {
|
|
GL.recordError(1281);
|
|
return;
|
|
}
|
|
program = GL.programs[program];
|
|
if (pname == 35716) {
|
|
// GL_INFO_LOG_LENGTH
|
|
var log = GLctx.getProgramInfoLog(program);
|
|
if (log === null) log = "(unknown error)";
|
|
GROWABLE_HEAP_I32()[((p) >> 2)] = log.length + 1;
|
|
} else if (pname == 35719) {
|
|
if (!program.maxUniformLength) {
|
|
var numActiveUniforms = GLctx.getProgramParameter(program, 35718);
|
|
for (var i = 0; i < numActiveUniforms; ++i) {
|
|
program.maxUniformLength = Math.max(program.maxUniformLength, GLctx.getActiveUniform(program, i).name.length + 1);
|
|
}
|
|
}
|
|
GROWABLE_HEAP_I32()[((p) >> 2)] = program.maxUniformLength;
|
|
} else if (pname == 35722) {
|
|
if (!program.maxAttributeLength) {
|
|
var numActiveAttributes = GLctx.getProgramParameter(program, 35721);
|
|
for (var i = 0; i < numActiveAttributes; ++i) {
|
|
program.maxAttributeLength = Math.max(program.maxAttributeLength, GLctx.getActiveAttrib(program, i).name.length + 1);
|
|
}
|
|
}
|
|
GROWABLE_HEAP_I32()[((p) >> 2)] = program.maxAttributeLength;
|
|
} else if (pname == 35381) {
|
|
if (!program.maxUniformBlockNameLength) {
|
|
var numActiveUniformBlocks = GLctx.getProgramParameter(program, 35382);
|
|
for (var i = 0; i < numActiveUniformBlocks; ++i) {
|
|
program.maxUniformBlockNameLength = Math.max(program.maxUniformBlockNameLength, GLctx.getActiveUniformBlockName(program, i).length + 1);
|
|
}
|
|
}
|
|
GROWABLE_HEAP_I32()[((p) >> 2)] = program.maxUniformBlockNameLength;
|
|
} else {
|
|
GROWABLE_HEAP_I32()[((p) >> 2)] = GLctx.getProgramParameter(program, pname);
|
|
}
|
|
};
|
|
|
|
var _glGetShaderInfoLog = (shader, maxLength, length, infoLog) => {
|
|
var log = GLctx.getShaderInfoLog(GL.shaders[shader]);
|
|
if (log === null) log = "(unknown error)";
|
|
var numBytesWrittenExclNull = (maxLength > 0 && infoLog) ? stringToUTF8(log, infoLog, maxLength) : 0;
|
|
if (length) GROWABLE_HEAP_I32()[((length) >> 2)] = numBytesWrittenExclNull;
|
|
};
|
|
|
|
var _glGetShaderiv = (shader, pname, p) => {
|
|
if (!p) {
|
|
// GLES2 specification does not specify how to behave if p is a null
|
|
// pointer. Since calling this function does not make sense if p == null,
|
|
// issue a GL error to notify user about it.
|
|
GL.recordError(1281);
|
|
return;
|
|
}
|
|
if (pname == 35716) {
|
|
// GL_INFO_LOG_LENGTH
|
|
var log = GLctx.getShaderInfoLog(GL.shaders[shader]);
|
|
if (log === null) log = "(unknown error)";
|
|
// The GLES2 specification says that if the shader has an empty info log,
|
|
// a value of 0 is returned. Otherwise the log has a null char appended.
|
|
// (An empty string is falsey, so we can just check that instead of
|
|
// looking at log.length.)
|
|
var logLength = log ? log.length + 1 : 0;
|
|
GROWABLE_HEAP_I32()[((p) >> 2)] = logLength;
|
|
} else if (pname == 35720) {
|
|
// GL_SHADER_SOURCE_LENGTH
|
|
var source = GLctx.getShaderSource(GL.shaders[shader]);
|
|
// source may be a null, or the empty string, both of which are falsey
|
|
// values that we report a 0 length for.
|
|
var sourceLength = source ? source.length + 1 : 0;
|
|
GROWABLE_HEAP_I32()[((p) >> 2)] = sourceLength;
|
|
} else {
|
|
GROWABLE_HEAP_I32()[((p) >> 2)] = GLctx.getShaderParameter(GL.shaders[shader], pname);
|
|
}
|
|
};
|
|
|
|
/** @suppress {checkTypes} */ var jstoi_q = str => parseInt(str);
|
|
|
|
/** @noinline */ var webglGetLeftBracePos = name => name.slice(-1) == "]" && name.lastIndexOf("[");
|
|
|
|
var webglPrepareUniformLocationsBeforeFirstUse = program => {
|
|
var uniformLocsById = program.uniformLocsById, // Maps GLuint -> WebGLUniformLocation
|
|
uniformSizeAndIdsByName = program.uniformSizeAndIdsByName, // Maps name -> [uniform array length, GLuint]
|
|
i, j;
|
|
// On the first time invocation of glGetUniformLocation on this shader program:
|
|
// initialize cache data structures and discover which uniforms are arrays.
|
|
if (!uniformLocsById) {
|
|
// maps GLint integer locations to WebGLUniformLocations
|
|
program.uniformLocsById = uniformLocsById = {};
|
|
// maps integer locations back to uniform name strings, so that we can lazily fetch uniform array locations
|
|
program.uniformArrayNamesById = {};
|
|
var numActiveUniforms = GLctx.getProgramParameter(program, 35718);
|
|
for (i = 0; i < numActiveUniforms; ++i) {
|
|
var u = GLctx.getActiveUniform(program, i);
|
|
var nm = u.name;
|
|
var sz = u.size;
|
|
var lb = webglGetLeftBracePos(nm);
|
|
var arrayName = lb > 0 ? nm.slice(0, lb) : nm;
|
|
// Assign a new location.
|
|
var id = program.uniformIdCounter;
|
|
program.uniformIdCounter += sz;
|
|
// Eagerly get the location of the uniformArray[0] base element.
|
|
// The remaining indices >0 will be left for lazy evaluation to
|
|
// improve performance. Those may never be needed to fetch, if the
|
|
// application fills arrays always in full starting from the first
|
|
// element of the array.
|
|
uniformSizeAndIdsByName[arrayName] = [ sz, id ];
|
|
// Store placeholder integers in place that highlight that these
|
|
// >0 index locations are array indices pending population.
|
|
for (j = 0; j < sz; ++j) {
|
|
uniformLocsById[id] = j;
|
|
program.uniformArrayNamesById[id++] = arrayName;
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
var _glGetUniformLocation = (program, name) => {
|
|
name = UTF8ToString(name);
|
|
if (program = GL.programs[program]) {
|
|
webglPrepareUniformLocationsBeforeFirstUse(program);
|
|
var uniformLocsById = program.uniformLocsById;
|
|
// Maps GLuint -> WebGLUniformLocation
|
|
var arrayIndex = 0;
|
|
var uniformBaseName = name;
|
|
// Invariant: when populating integer IDs for uniform locations, we must
|
|
// maintain the precondition that arrays reside in contiguous addresses,
|
|
// i.e. for a 'vec4 colors[10];', colors[4] must be at location
|
|
// colors[0]+4. However, user might call glGetUniformLocation(program,
|
|
// "colors") for an array, so we cannot discover based on the user input
|
|
// arguments whether the uniform we are dealing with is an array. The only
|
|
// way to discover which uniforms are arrays is to enumerate over all the
|
|
// active uniforms in the program.
|
|
var leftBrace = webglGetLeftBracePos(name);
|
|
// If user passed an array accessor "[index]", parse the array index off the accessor.
|
|
if (leftBrace > 0) {
|
|
arrayIndex = jstoi_q(name.slice(leftBrace + 1)) >>> 0;
|
|
// "index]", coerce parseInt(']') with >>>0 to treat "foo[]" as "foo[0]" and foo[-1] as unsigned out-of-bounds.
|
|
uniformBaseName = name.slice(0, leftBrace);
|
|
}
|
|
// Have we cached the location of this uniform before?
|
|
// A pair [array length, GLint of the uniform location]
|
|
var sizeAndId = program.uniformSizeAndIdsByName[uniformBaseName];
|
|
// If an uniform with this name exists, and if its index is within the
|
|
// array limits (if it's even an array), query the WebGLlocation, or
|
|
// return an existing cached location.
|
|
if (sizeAndId && arrayIndex < sizeAndId[0]) {
|
|
arrayIndex += sizeAndId[1];
|
|
// Add the base location of the uniform to the array index offset.
|
|
if ((uniformLocsById[arrayIndex] = uniformLocsById[arrayIndex] || GLctx.getUniformLocation(program, name))) {
|
|
return arrayIndex;
|
|
}
|
|
}
|
|
} else {
|
|
// N.b. we are currently unable to distinguish between GL program IDs that
|
|
// never existed vs GL program IDs that have been deleted, so report
|
|
// GL_INVALID_VALUE in both cases.
|
|
GL.recordError(1281);
|
|
}
|
|
return -1;
|
|
};
|
|
|
|
var _glLinkProgram = program => {
|
|
program = GL.programs[program];
|
|
GLctx.linkProgram(program);
|
|
// Invalidate earlier computed uniform->ID mappings, those have now become stale
|
|
program.uniformLocsById = 0;
|
|
// Mark as null-like so that glGetUniformLocation() knows to populate this again.
|
|
program.uniformSizeAndIdsByName = {};
|
|
};
|
|
|
|
var _glShaderSource = (shader, count, string, length) => {
|
|
var source = GL.getSource(shader, count, string, length);
|
|
GLctx.shaderSource(GL.shaders[shader], source);
|
|
};
|
|
|
|
var computeUnpackAlignedImageSize = (width, height, sizePerPixel) => {
|
|
function roundedToNextMultipleOf(x, y) {
|
|
return (x + y - 1) & -y;
|
|
}
|
|
var plainRowSize = (GL.unpackRowLength || width) * sizePerPixel;
|
|
var alignedRowSize = roundedToNextMultipleOf(plainRowSize, GL.unpackAlignment);
|
|
return height * alignedRowSize;
|
|
};
|
|
|
|
var colorChannelsInGlTextureFormat = format => {
|
|
// Micro-optimizations for size: map format to size by subtracting smallest
|
|
// enum value (0x1902) from all values first. Also omit the most common
|
|
// size value (1) from the list, which is assumed by formats not on the
|
|
// list.
|
|
var colorChannels = {
|
|
// 0x1902 /* GL_DEPTH_COMPONENT */ - 0x1902: 1,
|
|
// 0x1906 /* GL_ALPHA */ - 0x1902: 1,
|
|
5: 3,
|
|
6: 4,
|
|
// 0x1909 /* GL_LUMINANCE */ - 0x1902: 1,
|
|
8: 2,
|
|
29502: 3,
|
|
29504: 4,
|
|
// 0x1903 /* GL_RED */ - 0x1902: 1,
|
|
26917: 2,
|
|
26918: 2,
|
|
// 0x8D94 /* GL_RED_INTEGER */ - 0x1902: 1,
|
|
29846: 3,
|
|
29847: 4
|
|
};
|
|
return colorChannels[format - 6402] || 1;
|
|
};
|
|
|
|
var heapObjectForWebGLType = type => {
|
|
// Micro-optimization for size: Subtract lowest GL enum number (0x1400/* GL_BYTE */) from type to compare
|
|
// smaller values for the heap, for shorter generated code size.
|
|
// Also the type HEAPU16 is not tested for explicitly, but any unrecognized type will return out HEAPU16.
|
|
// (since most types are HEAPU16)
|
|
type -= 5120;
|
|
if (type == 0) return GROWABLE_HEAP_I8();
|
|
if (type == 1) return GROWABLE_HEAP_U8();
|
|
if (type == 2) return GROWABLE_HEAP_I16();
|
|
if (type == 4) return GROWABLE_HEAP_I32();
|
|
if (type == 6) return GROWABLE_HEAP_F32();
|
|
if (type == 5 || type == 28922 || type == 28520 || type == 30779 || type == 30782) return GROWABLE_HEAP_U32();
|
|
return GROWABLE_HEAP_U16();
|
|
};
|
|
|
|
var toTypedArrayIndex = (pointer, heap) => pointer >>> (31 - Math.clz32(heap.BYTES_PER_ELEMENT));
|
|
|
|
var emscriptenWebGLGetTexPixelData = (type, format, width, height, pixels, internalFormat) => {
|
|
var heap = heapObjectForWebGLType(type);
|
|
var sizePerPixel = colorChannelsInGlTextureFormat(format) * heap.BYTES_PER_ELEMENT;
|
|
var bytes = computeUnpackAlignedImageSize(width, height, sizePerPixel);
|
|
return heap.subarray(toTypedArrayIndex(pixels, heap), toTypedArrayIndex(pixels + bytes, heap));
|
|
};
|
|
|
|
var _glTexImage2D = (target, level, internalFormat, width, height, border, format, type, pixels) => {
|
|
if (GL.currentContext.version >= 2) {
|
|
if (GLctx.currentPixelUnpackBufferBinding) {
|
|
GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, pixels);
|
|
return;
|
|
}
|
|
if (pixels) {
|
|
var heap = heapObjectForWebGLType(type);
|
|
var index = toTypedArrayIndex(pixels, heap);
|
|
GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, heap, index);
|
|
return;
|
|
}
|
|
}
|
|
var pixelData = pixels ? emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, internalFormat) : null;
|
|
GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, pixelData);
|
|
};
|
|
|
|
var _glTexParameterf = (x0, x1, x2) => GLctx.texParameterf(x0, x1, x2);
|
|
|
|
var _glTexParameteri = (x0, x1, x2) => GLctx.texParameteri(x0, x1, x2);
|
|
|
|
var webglGetUniformLocation = location => {
|
|
var p = GLctx.currentProgram;
|
|
if (p) {
|
|
var webglLoc = p.uniformLocsById[location];
|
|
// p.uniformLocsById[location] stores either an integer, or a
|
|
// WebGLUniformLocation.
|
|
// If an integer, we have not yet bound the location, so do it now. The
|
|
// integer value specifies the array index we should bind to.
|
|
if (typeof webglLoc == "number") {
|
|
p.uniformLocsById[location] = webglLoc = GLctx.getUniformLocation(p, p.uniformArrayNamesById[location] + (webglLoc > 0 ? `[${webglLoc}]` : ""));
|
|
}
|
|
// Else an already cached WebGLUniformLocation, return it.
|
|
return webglLoc;
|
|
} else {
|
|
GL.recordError(1282);
|
|
}
|
|
};
|
|
|
|
var _glUniform1i = (location, v0) => {
|
|
GLctx.uniform1i(webglGetUniformLocation(location), v0);
|
|
};
|
|
|
|
var miniTempWebGLFloatBuffers = [];
|
|
|
|
var _glUniformMatrix4fv = (location, count, transpose, value) => {
|
|
if (GL.currentContext.version >= 2) {
|
|
count && GLctx.uniformMatrix4fv(webglGetUniformLocation(location), !!transpose, GROWABLE_HEAP_F32(), ((value) >> 2), count * 16);
|
|
return;
|
|
}
|
|
if (count <= 18) {
|
|
// avoid allocation when uploading few enough uniforms
|
|
var view = miniTempWebGLFloatBuffers[16 * count];
|
|
// hoist the heap out of the loop for size and for pthreads+growth.
|
|
var heap = GROWABLE_HEAP_F32();
|
|
value = ((value) >> 2);
|
|
count *= 16;
|
|
for (var i = 0; i < 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 = GROWABLE_HEAP_F32().subarray((((value) >> 2)), ((value + count * 64) >> 2));
|
|
}
|
|
GLctx.uniformMatrix4fv(webglGetUniformLocation(location), !!transpose, view);
|
|
};
|
|
|
|
var _glUseProgram = program => {
|
|
program = GL.programs[program];
|
|
GLctx.useProgram(program);
|
|
// Record the currently active program so that we can access the uniform
|
|
// mapping table of that program.
|
|
GLctx.currentProgram = program;
|
|
};
|
|
|
|
var _glVertexAttribPointer = (index, size, type, normalized, stride, ptr) => {
|
|
GLctx.vertexAttribPointer(index, size, type, !!normalized, stride, ptr);
|
|
};
|
|
|
|
var _glViewport = (x0, x1, x2, x3) => GLctx.viewport(x0, x1, x2, x3);
|
|
|
|
var wasmTableMirror = [];
|
|
|
|
/** @type {WebAssembly.Table} */ var wasmTable;
|
|
|
|
var getWasmTableEntry = funcPtr => {
|
|
var func = wasmTableMirror[funcPtr];
|
|
if (!func) {
|
|
/** @suppress {checkTypes} */ wasmTableMirror[funcPtr] = func = wasmTable.get(funcPtr);
|
|
}
|
|
/** @suppress {checkTypes} */ assert(wasmTable.get(funcPtr) == func, "JavaScript-side Wasm function table mirror is out of date!");
|
|
return func;
|
|
};
|
|
|
|
var runAndAbortIfError = func => {
|
|
try {
|
|
return func();
|
|
} catch (e) {
|
|
abort(e);
|
|
}
|
|
};
|
|
|
|
var sigToWasmTypes = sig => {
|
|
var typeNames = {
|
|
"i": "i32",
|
|
"j": "i64",
|
|
"f": "f32",
|
|
"d": "f64",
|
|
"e": "externref",
|
|
"p": "i32"
|
|
};
|
|
var type = {
|
|
parameters: [],
|
|
results: sig[0] == "v" ? [] : [ typeNames[sig[0]] ]
|
|
};
|
|
for (var i = 1; i < sig.length; ++i) {
|
|
assert(sig[i] in typeNames, "invalid signature char: " + sig[i]);
|
|
type.parameters.push(typeNames[sig[i]]);
|
|
}
|
|
return type;
|
|
};
|
|
|
|
var Asyncify = {
|
|
instrumentWasmImports(imports) {
|
|
var importPattern = /^(invoke_.*|__asyncjs__.*)$/;
|
|
for (let [x, original] of Object.entries(imports)) {
|
|
if (typeof original == "function") {
|
|
let isAsyncifyImport = original.isAsync || importPattern.test(x);
|
|
imports[x] = (...args) => {
|
|
var originalAsyncifyState = Asyncify.state;
|
|
try {
|
|
return original(...args);
|
|
} finally {
|
|
// Only asyncify-declared imports are allowed to change the
|
|
// state.
|
|
// Changing the state from normal to disabled is allowed (in any
|
|
// function) as that is what shutdown does (and we don't have an
|
|
// explicit list of shutdown imports).
|
|
var changedToDisabled = originalAsyncifyState === Asyncify.State.Normal && Asyncify.state === Asyncify.State.Disabled;
|
|
// invoke_* functions are allowed to change the state if we do
|
|
// not ignore indirect calls.
|
|
var ignoredInvoke = x.startsWith("invoke_") && true;
|
|
if (Asyncify.state !== originalAsyncifyState && !isAsyncifyImport && !changedToDisabled && !ignoredInvoke) {
|
|
throw new Error(`import ${x} was not in ASYNCIFY_IMPORTS, but changed the state`);
|
|
}
|
|
}
|
|
};
|
|
}
|
|
}
|
|
},
|
|
instrumentWasmExports(exports) {
|
|
var ret = {};
|
|
for (let [x, original] of Object.entries(exports)) {
|
|
if (typeof original == "function") {
|
|
ret[x] = (...args) => {
|
|
Asyncify.exportCallStack.push(x);
|
|
try {
|
|
return original(...args);
|
|
} finally {
|
|
if (!ABORT) {
|
|
var y = Asyncify.exportCallStack.pop();
|
|
assert(y === x);
|
|
Asyncify.maybeStopUnwind();
|
|
}
|
|
}
|
|
};
|
|
} else {
|
|
ret[x] = original;
|
|
}
|
|
}
|
|
return ret;
|
|
},
|
|
State: {
|
|
Normal: 0,
|
|
Unwinding: 1,
|
|
Rewinding: 2,
|
|
Disabled: 3
|
|
},
|
|
state: 0,
|
|
StackSize: 4096,
|
|
currData: null,
|
|
handleSleepReturnValue: 0,
|
|
exportCallStack: [],
|
|
callStackNameToId: {},
|
|
callStackIdToName: {},
|
|
callStackId: 0,
|
|
asyncPromiseHandlers: null,
|
|
sleepCallbacks: [],
|
|
getCallStackId(funcName) {
|
|
var id = Asyncify.callStackNameToId[funcName];
|
|
if (id === undefined) {
|
|
id = Asyncify.callStackId++;
|
|
Asyncify.callStackNameToId[funcName] = id;
|
|
Asyncify.callStackIdToName[id] = funcName;
|
|
}
|
|
return id;
|
|
},
|
|
maybeStopUnwind() {
|
|
if (Asyncify.currData && Asyncify.state === Asyncify.State.Unwinding && Asyncify.exportCallStack.length === 0) {
|
|
// We just finished unwinding.
|
|
// Be sure to set the state before calling any other functions to avoid
|
|
// possible infinite recursion here (For example in debug pthread builds
|
|
// the dbg() function itself can call back into WebAssembly to get the
|
|
// current pthread_self() pointer).
|
|
Asyncify.state = Asyncify.State.Normal;
|
|
runtimeKeepalivePush();
|
|
// Keep the runtime alive so that a re-wind can be done later.
|
|
runAndAbortIfError(_asyncify_stop_unwind);
|
|
if (typeof Fibers != "undefined") {
|
|
Fibers.trampoline();
|
|
}
|
|
}
|
|
},
|
|
whenDone() {
|
|
assert(Asyncify.currData, "Tried to wait for an async operation when none is in progress.");
|
|
assert(!Asyncify.asyncPromiseHandlers, "Cannot have multiple async operations in flight at once");
|
|
return new Promise((resolve, reject) => {
|
|
Asyncify.asyncPromiseHandlers = {
|
|
resolve,
|
|
reject
|
|
};
|
|
});
|
|
},
|
|
allocateData() {
|
|
// An asyncify data structure has three fields:
|
|
// 0 current stack pos
|
|
// 4 max stack pos
|
|
// 8 id of function at bottom of the call stack (callStackIdToName[id] == name of js function)
|
|
// The Asyncify ABI only interprets the first two fields, the rest is for the runtime.
|
|
// We also embed a stack in the same memory region here, right next to the structure.
|
|
// This struct is also defined as asyncify_data_t in emscripten/fiber.h
|
|
var ptr = _malloc(12 + Asyncify.StackSize);
|
|
Asyncify.setDataHeader(ptr, ptr + 12, Asyncify.StackSize);
|
|
Asyncify.setDataRewindFunc(ptr);
|
|
return ptr;
|
|
},
|
|
setDataHeader(ptr, stack, stackSize) {
|
|
GROWABLE_HEAP_U32()[((ptr) >> 2)] = stack;
|
|
GROWABLE_HEAP_U32()[(((ptr) + (4)) >> 2)] = stack + stackSize;
|
|
},
|
|
setDataRewindFunc(ptr) {
|
|
var bottomOfCallStack = Asyncify.exportCallStack[0];
|
|
var rewindId = Asyncify.getCallStackId(bottomOfCallStack);
|
|
GROWABLE_HEAP_I32()[(((ptr) + (8)) >> 2)] = rewindId;
|
|
},
|
|
getDataRewindFuncName(ptr) {
|
|
var id = GROWABLE_HEAP_I32()[(((ptr) + (8)) >> 2)];
|
|
var name = Asyncify.callStackIdToName[id];
|
|
return name;
|
|
},
|
|
getDataRewindFunc(name) {
|
|
var func = wasmExports[name];
|
|
return func;
|
|
},
|
|
doRewind(ptr) {
|
|
var name = Asyncify.getDataRewindFuncName(ptr);
|
|
var func = Asyncify.getDataRewindFunc(name);
|
|
// Once we have rewound and the stack we no longer need to artificially
|
|
// keep the runtime alive.
|
|
runtimeKeepalivePop();
|
|
return func();
|
|
},
|
|
handleSleep(startAsync) {
|
|
assert(Asyncify.state !== Asyncify.State.Disabled, "Asyncify cannot be done during or after the runtime exits");
|
|
if (ABORT) return;
|
|
if (Asyncify.state === Asyncify.State.Normal) {
|
|
// Prepare to sleep. Call startAsync, and see what happens:
|
|
// if the code decided to call our callback synchronously,
|
|
// then no async operation was in fact begun, and we don't
|
|
// need to do anything.
|
|
var reachedCallback = false;
|
|
var reachedAfterCallback = false;
|
|
startAsync((handleSleepReturnValue = 0) => {
|
|
assert(!handleSleepReturnValue || typeof handleSleepReturnValue == "number" || typeof handleSleepReturnValue == "boolean");
|
|
// old emterpretify API supported other stuff
|
|
if (ABORT) return;
|
|
Asyncify.handleSleepReturnValue = handleSleepReturnValue;
|
|
reachedCallback = true;
|
|
if (!reachedAfterCallback) {
|
|
// We are happening synchronously, so no need for async.
|
|
return;
|
|
}
|
|
// This async operation did not happen synchronously, so we did
|
|
// unwind. In that case there can be no compiled code on the stack,
|
|
// as it might break later operations (we can rewind ok now, but if
|
|
// we unwind again, we would unwind through the extra compiled code
|
|
// too).
|
|
assert(!Asyncify.exportCallStack.length, "Waking up (starting to rewind) must be done from JS, without compiled code on the stack.");
|
|
Asyncify.state = Asyncify.State.Rewinding;
|
|
runAndAbortIfError(() => _asyncify_start_rewind(Asyncify.currData));
|
|
if (typeof MainLoop != "undefined" && MainLoop.func) {
|
|
MainLoop.resume();
|
|
}
|
|
var asyncWasmReturnValue, isError = false;
|
|
try {
|
|
asyncWasmReturnValue = Asyncify.doRewind(Asyncify.currData);
|
|
} catch (err) {
|
|
asyncWasmReturnValue = err;
|
|
isError = true;
|
|
}
|
|
// Track whether the return value was handled by any promise handlers.
|
|
var handled = false;
|
|
if (!Asyncify.currData) {
|
|
// All asynchronous execution has finished.
|
|
// `asyncWasmReturnValue` now contains the final
|
|
// return value of the exported async WASM function.
|
|
// Note: `asyncWasmReturnValue` is distinct from
|
|
// `Asyncify.handleSleepReturnValue`.
|
|
// `Asyncify.handleSleepReturnValue` contains the return
|
|
// value of the last C function to have executed
|
|
// `Asyncify.handleSleep()`, where as `asyncWasmReturnValue`
|
|
// contains the return value of the exported WASM function
|
|
// that may have called C functions that
|
|
// call `Asyncify.handleSleep()`.
|
|
var asyncPromiseHandlers = Asyncify.asyncPromiseHandlers;
|
|
if (asyncPromiseHandlers) {
|
|
Asyncify.asyncPromiseHandlers = null;
|
|
(isError ? asyncPromiseHandlers.reject : asyncPromiseHandlers.resolve)(asyncWasmReturnValue);
|
|
handled = true;
|
|
}
|
|
}
|
|
if (isError && !handled) {
|
|
// If there was an error and it was not handled by now, we have no choice but to
|
|
// rethrow that error into the global scope where it can be caught only by
|
|
// `onerror` or `onunhandledpromiserejection`.
|
|
throw asyncWasmReturnValue;
|
|
}
|
|
});
|
|
reachedAfterCallback = true;
|
|
if (!reachedCallback) {
|
|
// A true async operation was begun; start a sleep.
|
|
Asyncify.state = Asyncify.State.Unwinding;
|
|
// TODO: reuse, don't alloc/free every sleep
|
|
Asyncify.currData = Asyncify.allocateData();
|
|
if (typeof MainLoop != "undefined" && MainLoop.func) {
|
|
MainLoop.pause();
|
|
}
|
|
runAndAbortIfError(() => _asyncify_start_unwind(Asyncify.currData));
|
|
}
|
|
} else if (Asyncify.state === Asyncify.State.Rewinding) {
|
|
// Stop a resume.
|
|
Asyncify.state = Asyncify.State.Normal;
|
|
runAndAbortIfError(_asyncify_stop_rewind);
|
|
_free(Asyncify.currData);
|
|
Asyncify.currData = null;
|
|
// Call all sleep callbacks now that the sleep-resume is all done.
|
|
Asyncify.sleepCallbacks.forEach(callUserCallback);
|
|
} else {
|
|
abort(`invalid state: ${Asyncify.state}`);
|
|
}
|
|
return Asyncify.handleSleepReturnValue;
|
|
},
|
|
handleAsync(startAsync) {
|
|
return Asyncify.handleSleep(wakeUp => {
|
|
// TODO: add error handling as a second param when handleSleep implements it.
|
|
startAsync().then(wakeUp);
|
|
});
|
|
}
|
|
};
|
|
|
|
var getCFunc = ident => {
|
|
var func = Module["_" + ident];
|
|
// closure exported function
|
|
assert(func, "Cannot call unknown function " + ident + ", make sure it is exported");
|
|
return func;
|
|
};
|
|
|
|
var writeArrayToMemory = (array, buffer) => {
|
|
assert(array.length >= 0, "writeArrayToMemory array must have a length (should be an array or typed array)");
|
|
GROWABLE_HEAP_I8().set(array, buffer);
|
|
};
|
|
|
|
var stringToUTF8OnStack = str => {
|
|
var size = lengthBytesUTF8(str) + 1;
|
|
var ret = stackAlloc(size);
|
|
stringToUTF8(str, ret, size);
|
|
return ret;
|
|
};
|
|
|
|
/**
|
|
* @param {string|null=} returnType
|
|
* @param {Array=} argTypes
|
|
* @param {Arguments|Array=} args
|
|
* @param {Object=} opts
|
|
*/ var ccall = (ident, returnType, argTypes, args, opts) => {
|
|
// For fast lookup of conversion functions
|
|
var toC = {
|
|
"string": str => {
|
|
var ret = 0;
|
|
if (str !== null && str !== undefined && str !== 0) {
|
|
// null string
|
|
ret = stringToUTF8OnStack(str);
|
|
}
|
|
return ret;
|
|
},
|
|
"array": arr => {
|
|
var ret = stackAlloc(arr.length);
|
|
writeArrayToMemory(arr, ret);
|
|
return ret;
|
|
}
|
|
};
|
|
function convertReturnValue(ret) {
|
|
if (returnType === "string") {
|
|
return UTF8ToString(ret);
|
|
}
|
|
if (returnType === "boolean") return Boolean(ret);
|
|
return ret;
|
|
}
|
|
var func = getCFunc(ident);
|
|
var cArgs = [];
|
|
var stack = 0;
|
|
assert(returnType !== "array", 'Return type should not be "array".');
|
|
if (args) {
|
|
for (var i = 0; i < args.length; i++) {
|
|
var converter = toC[argTypes[i]];
|
|
if (converter) {
|
|
if (stack === 0) stack = stackSave();
|
|
cArgs[i] = converter(args[i]);
|
|
} else {
|
|
cArgs[i] = args[i];
|
|
}
|
|
}
|
|
}
|
|
// Data for a previous async operation that was in flight before us.
|
|
var previousAsync = Asyncify.currData;
|
|
var ret = func(...cArgs);
|
|
function onDone(ret) {
|
|
runtimeKeepalivePop();
|
|
if (stack !== 0) stackRestore(stack);
|
|
return convertReturnValue(ret);
|
|
}
|
|
var asyncMode = opts?.async;
|
|
// Keep the runtime alive through all calls. Note that this call might not be
|
|
// async, but for simplicity we push and pop in all calls.
|
|
runtimeKeepalivePush();
|
|
if (Asyncify.currData != previousAsync) {
|
|
// A change in async operation happened. If there was already an async
|
|
// operation in flight before us, that is an error: we should not start
|
|
// another async operation while one is active, and we should not stop one
|
|
// either. The only valid combination is to have no change in the async
|
|
// data (so we either had one in flight and left it alone, or we didn't have
|
|
// one), or to have nothing in flight and to start one.
|
|
assert(!(previousAsync && Asyncify.currData), "We cannot start an async operation when one is already flight");
|
|
assert(!(previousAsync && !Asyncify.currData), "We cannot stop an async operation in flight");
|
|
// This is a new async operation. The wasm is paused and has unwound its stack.
|
|
// We need to return a Promise that resolves the return value
|
|
// once the stack is rewound and execution finishes.
|
|
assert(asyncMode, "The call to " + ident + " is running asynchronously. If this was intended, add the async option to the ccall/cwrap call.");
|
|
return Asyncify.whenDone().then(onDone);
|
|
}
|
|
ret = onDone(ret);
|
|
// If this is an async ccall, ensure we return a promise
|
|
if (asyncMode) return Promise.resolve(ret);
|
|
return ret;
|
|
};
|
|
|
|
/**
|
|
* @param {string=} returnType
|
|
* @param {Array=} argTypes
|
|
* @param {Object=} opts
|
|
*/ var cwrap = (ident, returnType, argTypes, opts) => (...args) => ccall(ident, returnType, argTypes, args, opts);
|
|
|
|
var uleb128Encode = (n, target) => {
|
|
assert(n < 16384);
|
|
if (n < 128) {
|
|
target.push(n);
|
|
} else {
|
|
target.push((n % 128) | 128, n >> 7);
|
|
}
|
|
};
|
|
|
|
var generateFuncType = (sig, target) => {
|
|
var sigRet = sig.slice(0, 1);
|
|
var sigParam = sig.slice(1);
|
|
var typeCodes = {
|
|
"i": 127,
|
|
// i32
|
|
"p": 127,
|
|
// i32
|
|
"j": 126,
|
|
// i64
|
|
"f": 125,
|
|
// f32
|
|
"d": 124,
|
|
// f64
|
|
"e": 111
|
|
};
|
|
// Parameters, length + signatures
|
|
target.push(96);
|
|
uleb128Encode(sigParam.length, target);
|
|
for (var paramType of sigParam) {
|
|
assert(paramType in typeCodes, `invalid signature char: ${paramType}`);
|
|
target.push(typeCodes[paramType]);
|
|
}
|
|
// Return values, length + signatures
|
|
// With no multi-return in MVP, either 0 (void) or 1 (anything else)
|
|
if (sigRet == "v") {
|
|
target.push(0);
|
|
} else {
|
|
target.push(1, typeCodes[sigRet]);
|
|
}
|
|
};
|
|
|
|
var 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") {
|
|
return new WebAssembly.Function(sigToWasmTypes(sig), func);
|
|
}
|
|
// The module is static, with the exception of the type section, which is
|
|
// generated based on the signature passed in.
|
|
var typeSectionBody = [ 1 ];
|
|
generateFuncType(sig, typeSectionBody);
|
|
// Rest of the module is static
|
|
var bytes = [ 0, 97, 115, 109, // magic ("\0asm")
|
|
1, 0, 0, 0, // version: 1
|
|
1 ];
|
|
// Write the overall length of the type section followed by the body
|
|
uleb128Encode(typeSectionBody.length, bytes);
|
|
bytes.push(...typeSectionBody);
|
|
// The rest of the module is static
|
|
bytes.push(2, 7, // import section
|
|
// (import "e" "f" (func 0 (type 0)))
|
|
1, 1, 101, 1, 102, 0, 0, 7, 5, // export section
|
|
// (export "f" (func 0 (type 0)))
|
|
1, 1, 102, 0, 0);
|
|
// We can compile this wasm module synchronously because it is very small.
|
|
// This accepts an import (at "e.f"), that it reroutes to an export (at "f")
|
|
var module = new WebAssembly.Module(new Uint8Array(bytes));
|
|
var instance = new WebAssembly.Instance(module, {
|
|
"e": {
|
|
"f": func
|
|
}
|
|
});
|
|
var wrappedFunc = instance.exports["f"];
|
|
return wrappedFunc;
|
|
};
|
|
|
|
var updateTableMap = (offset, count) => {
|
|
if (functionsInTableMap) {
|
|
for (var i = offset; i < offset + count; i++) {
|
|
var item = getWasmTableEntry(i);
|
|
// Ignore null values.
|
|
if (item) {
|
|
functionsInTableMap.set(item, i);
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
var functionsInTableMap;
|
|
|
|
var getFunctionAddress = func => {
|
|
// First, create the map if this is the first use.
|
|
if (!functionsInTableMap) {
|
|
functionsInTableMap = new WeakMap;
|
|
updateTableMap(0, wasmTable.length);
|
|
}
|
|
return functionsInTableMap.get(func) || 0;
|
|
};
|
|
|
|
var freeTableIndexes = [];
|
|
|
|
var getEmptyTableSlot = () => {
|
|
// Reuse a free index if there is one, otherwise grow.
|
|
if (freeTableIndexes.length) {
|
|
return freeTableIndexes.pop();
|
|
}
|
|
// Grow the table
|
|
try {
|
|
/** @suppress {checkTypes} */ 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;
|
|
};
|
|
|
|
var setWasmTableEntry = (idx, func) => {
|
|
/** @suppress {checkTypes} */ wasmTable.set(idx, func);
|
|
// With ABORT_ON_WASM_EXCEPTIONS wasmTable.get is overridden to return wrapped
|
|
// functions so we need to call it here to retrieve the potential wrapper correctly
|
|
// instead of just storing 'func' directly into wasmTableMirror
|
|
/** @suppress {checkTypes} */ wasmTableMirror[idx] = wasmTable.get(idx);
|
|
};
|
|
|
|
/** @param {string=} sig */ var addFunction = (func, sig) => {
|
|
assert(typeof func != "undefined");
|
|
// Check if the function is already in the table, to ensure each function
|
|
// gets a unique index.
|
|
var rtn = getFunctionAddress(func);
|
|
if (rtn) {
|
|
return rtn;
|
|
}
|
|
// It's not in the table, add it now.
|
|
// Make sure functionsInTableMap is actually up to date, that is, that this
|
|
// function is not actually in the wasm Table despite not being tracked in
|
|
// functionsInTableMap.
|
|
for (var i = 0; i < wasmTable.length; i++) {
|
|
assert(getWasmTableEntry(i) != func, "function in Table but not functionsInTableMap");
|
|
}
|
|
var ret = getEmptyTableSlot();
|
|
// Set the new value.
|
|
try {
|
|
// Attempting to call this with JS function will cause of table.set() to fail
|
|
setWasmTableEntry(ret, func);
|
|
} catch (err) {
|
|
if (!(err instanceof TypeError)) {
|
|
throw err;
|
|
}
|
|
assert(typeof sig != "undefined", "Missing signature argument to addFunction: " + func);
|
|
var wrapped = convertJsFunctionToWasm(func, sig);
|
|
setWasmTableEntry(ret, wrapped);
|
|
}
|
|
functionsInTableMap.set(func, ret);
|
|
return ret;
|
|
};
|
|
|
|
var removeFunction = index => {
|
|
functionsInTableMap.delete(getWasmTableEntry(index));
|
|
setWasmTableEntry(index, null);
|
|
freeTableIndexes.push(index);
|
|
};
|
|
|
|
var allocateUTF8 = stringToNewUTF8;
|
|
|
|
var FS_createPath = FS.createPath;
|
|
|
|
var FS_unlink = path => FS.unlink(path);
|
|
|
|
var FS_createLazyFile = FS.createLazyFile;
|
|
|
|
var FS_createDevice = FS.createDevice;
|
|
|
|
PThread.init();
|
|
|
|
FS.createPreloadedFile = FS_createPreloadedFile;
|
|
|
|
FS.staticInit();
|
|
|
|
// Set module methods based on EXPORTED_RUNTIME_METHODS
|
|
Module["FS_createPath"] = FS.createPath;
|
|
|
|
Module["FS_createDataFile"] = FS.createDataFile;
|
|
|
|
Module["FS_createPreloadedFile"] = FS.createPreloadedFile;
|
|
|
|
Module["FS_unlink"] = FS.unlink;
|
|
|
|
Module["FS_createLazyFile"] = FS.createLazyFile;
|
|
|
|
Module["FS_createDevice"] = FS.createDevice;
|
|
|
|
embind_init_charCodes();
|
|
|
|
init_emval();
|
|
|
|
Fetch.init();
|
|
|
|
registerPreMainLoop(() => {
|
|
// If the current GL context is an OffscreenCanvas, but it was initialized
|
|
// with implicit swap mode, perform the swap on behalf of the user.
|
|
if (GL.currentContext && !GL.currentContextIsProxied && !GL.currentContext.attributes.explicitSwapControl && GL.currentContext.GLctx.commit) {
|
|
GL.currentContext.GLctx.commit();
|
|
}
|
|
});
|
|
|
|
var miniTempWebGLFloatBuffersStorage = new Float32Array(288);
|
|
|
|
// Create GL_POOL_TEMP_BUFFERS_SIZE+1 temporary buffers, for uploads of size 0 through GL_POOL_TEMP_BUFFERS_SIZE inclusive
|
|
for (/**@suppress{duplicate}*/ var i = 0; i <= 288; ++i) {
|
|
miniTempWebGLFloatBuffers[i] = miniTempWebGLFloatBuffersStorage.subarray(0, i);
|
|
}
|
|
|
|
// End JS library code
|
|
// proxiedFunctionTable specifies the list of functions that can be called
|
|
// either synchronously or asynchronously from other threads in postMessage()d
|
|
// or internally queued events. This way a pthread in a Worker can synchronously
|
|
// access e.g. the DOM on the main thread.
|
|
var proxiedFunctionTable = [ _proc_exit, exitOnMainThread, pthreadCreateProxied, ___syscall_fcntl64, ___syscall_fstat64, ___syscall_openat, __mmap_js, __munmap_js, __setitimer_js, setCanvasElementSizeMainThread, _environ_get, _environ_sizes_get, _fd_close, _fd_fdstat_get, _fd_read, _fd_seek, _fd_write ];
|
|
|
|
function checkIncomingModuleAPI() {
|
|
ignoredModuleProp("fetchSettings");
|
|
}
|
|
|
|
var ASM_CONSTS = {
|
|
414036: () => {
|
|
if (typeof window != "undefined") {
|
|
console.log("logRequest_downloadSucceeded OK");
|
|
window.dispatchEvent(new CustomEvent("wasmTextDownloadSuccessed"));
|
|
} else {
|
|
console.log("logRequest_downloadSucceeded failed");
|
|
}
|
|
},
|
|
414251: () => {
|
|
self.postMessage({
|
|
type: "restart-load-media"
|
|
});
|
|
},
|
|
414305: () => {
|
|
self.postMessage({
|
|
type: "release_done"
|
|
});
|
|
},
|
|
414353: $0 => {
|
|
const canvasId = Module.UTF8ToString($0);
|
|
Module.webcodec_seek_target_pts = -1;
|
|
if (!Module.frameQueueLastQueuedPtsMap) {
|
|
Module.frameQueueLastQueuedPtsMap = {};
|
|
}
|
|
if (!Module.frameQueueLastRenderedPtsMap) {
|
|
Module.frameQueueLastRenderedPtsMap = {};
|
|
}
|
|
if (!Module.frameQueueReplayDiscardBeforePtsMap) {
|
|
Module.frameQueueReplayDiscardBeforePtsMap = {};
|
|
}
|
|
if (!Module.outputSerialMap) {
|
|
Module.outputSerialMap = {};
|
|
}
|
|
Module.frameQueueLastQueuedPtsMap[canvasId] = -1;
|
|
Module.frameQueueLastRenderedPtsMap[canvasId] = -1;
|
|
Module.frameQueueReplayDiscardBeforePtsMap[canvasId] = -1;
|
|
Module.outputSerialMap[canvasId] = Promise.resolve();
|
|
const decoder = Module.decoder;
|
|
Module.decoder = null;
|
|
if (decoder) {
|
|
try {
|
|
decoder.close();
|
|
console.log("Closed VideoDecoder");
|
|
} catch (e) {
|
|
console.warn("VideoDecoder close error:", e);
|
|
}
|
|
}
|
|
if (Module.frameQueueMap && Module.frameQueueMap[canvasId]) {
|
|
Module.frameQueueMap[canvasId].forEach(frame => {
|
|
if (frame.texture && Module.gl) {
|
|
Module.gl.deleteTexture(frame.texture);
|
|
frame.texture = null;
|
|
}
|
|
frame = null;
|
|
});
|
|
Module.frameQueueMap[canvasId] = [];
|
|
Module.frameQueueMap = null;
|
|
console.log("Cleared frame queue");
|
|
}
|
|
if (Module.gopChunk) {
|
|
Module.gopChunk.forEach(chunk => {
|
|
chunk.data = null;
|
|
chunk = null;
|
|
});
|
|
Module.gopChunk = [];
|
|
console.log("Cleared GOP chunks");
|
|
}
|
|
if (Module.shaderProgram && Module.gl) {
|
|
Module.gl.deleteProgram(Module.shaderProgram);
|
|
Module.shaderProgram = null;
|
|
console.log("Deleted shader program");
|
|
}
|
|
if (Module.gl) {
|
|
Module.gl.getExtension("WEBGL_lose_context").loseContext();
|
|
Module.gl = null;
|
|
console.log("Released WebGL context");
|
|
}
|
|
},
|
|
415962: () => {
|
|
self.postMessage({
|
|
type: "release_done"
|
|
});
|
|
},
|
|
416010: $0 => {
|
|
const canvasId = Module.UTF8ToString($0);
|
|
Module.webcodec_seek_target_pts = -1;
|
|
if (!Module.frameQueueLastQueuedPtsMap) {
|
|
Module.frameQueueLastQueuedPtsMap = {};
|
|
}
|
|
if (!Module.frameQueueLastRenderedPtsMap) {
|
|
Module.frameQueueLastRenderedPtsMap = {};
|
|
}
|
|
if (!Module.frameQueueReplayDiscardBeforePtsMap) {
|
|
Module.frameQueueReplayDiscardBeforePtsMap = {};
|
|
}
|
|
if (!Module.outputSerialMap) {
|
|
Module.outputSerialMap = {};
|
|
}
|
|
Module.frameQueueLastQueuedPtsMap[canvasId] = -1;
|
|
Module.frameQueueLastRenderedPtsMap[canvasId] = -1;
|
|
Module.frameQueueReplayDiscardBeforePtsMap[canvasId] = -1;
|
|
Module.outputSerialMap[canvasId] = Promise.resolve();
|
|
const decoder = Module.decoder;
|
|
if (decoder) {
|
|
try {
|
|
console.warn("wcodec ctx root: clean_tex_queue decoder flush", Module.decoder);
|
|
decoder.flush();
|
|
} catch (e) {
|
|
console.warn("VideoDecoder close error:", e);
|
|
}
|
|
}
|
|
if (Module.frameQueueMap && Module.frameQueueMap[canvasId]) {
|
|
Module.frameQueueMap[canvasId].forEach(frame => {
|
|
if (frame.texture && Module.gl) {
|
|
Module.gl.deleteTexture(frame.texture);
|
|
frame.texture = null;
|
|
}
|
|
frame = null;
|
|
});
|
|
Module.frameQueueMap[canvasId] = [];
|
|
console.log("Cleared frame queue");
|
|
}
|
|
if (Module.gopChunk) {
|
|
Module.gopChunk.forEach(chunk => {
|
|
chunk.data = null;
|
|
chunk = null;
|
|
});
|
|
Module.gopChunk = [];
|
|
console.log("Cleared GOP chunks");
|
|
}
|
|
console.warn("wcodec ctx root: clean_tex_queue queue data", Module.frameQueueMap[canvasId]);
|
|
},
|
|
417410: $0 => {
|
|
const canvasId = Module.UTF8ToString($0);
|
|
if (!Module.frameQueueMap || !Module.frameQueueMap[canvasId] || Module.frameQueueMap[canvasId].length === 0) {
|
|
return -1;
|
|
}
|
|
const frame = Module.frameQueueMap[canvasId][0];
|
|
if (frame && typeof frame.pts !== "undefined") {
|
|
return frame.pts;
|
|
}
|
|
return -1;
|
|
},
|
|
417709: $0 => {
|
|
const canvasId = Module.UTF8ToString($0);
|
|
if (!Module.frameQueueMap || !Module.frameQueueMap[canvasId] || Module.frameQueueMap[canvasId].length === 0) {
|
|
return 0;
|
|
}
|
|
const frame = Module.frameQueueMap[canvasId].shift();
|
|
if (frame && frame.texture) {
|
|
Module.gl.deleteTexture(frame.texture);
|
|
frame.texture = null;
|
|
}
|
|
return Module.frameQueueMap[canvasId].length;
|
|
},
|
|
418072: () => {
|
|
const gl = Module.gl;
|
|
if (!gl) return -1;
|
|
const info = gl.getExtension("WEBGL_debug_renderer_info");
|
|
if (info) {
|
|
const vendor = gl.getParameter(info.UNMASKED_VENDOR_WEBGL);
|
|
const renderer = gl.getParameter(info.UNMASKED_RENDERER_WEBGL);
|
|
console.log(`GPU: ${vendor} ${renderer}`);
|
|
}
|
|
let count = 0;
|
|
const width = 1920;
|
|
const height = 1080;
|
|
while (true) {
|
|
try {
|
|
const texture = gl.createTexture();
|
|
gl.bindTexture(gl.TEXTURE_2D, texture);
|
|
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, width, height, 0, gl.RGBA, gl.UNSIGNED_BYTE, null);
|
|
count++;
|
|
console.log(`Created texture ${count}`);
|
|
} catch (e) {
|
|
break;
|
|
}
|
|
}
|
|
return count;
|
|
},
|
|
418695: $0 => {
|
|
Module.gl = null;
|
|
Module.shaderProgram = null;
|
|
Module.gopChunk = [];
|
|
Module.decoder_reconfiguring = false;
|
|
const c_id = Module.UTF8ToString($0);
|
|
Module.webcodec_seek_target_pts = -1;
|
|
function initFrameQueue(canvasId) {
|
|
if (!Module.frameQueueMap) {
|
|
Module.frameQueueMap = {};
|
|
}
|
|
Module.frameQueueMap[c_id] = [];
|
|
if (!Module.frameQueueLastQueuedPtsMap) {
|
|
Module.frameQueueLastQueuedPtsMap = {};
|
|
}
|
|
if (!Module.frameQueueLastRenderedPtsMap) {
|
|
Module.frameQueueLastRenderedPtsMap = {};
|
|
}
|
|
if (!Module.frameQueueReplayDiscardBeforePtsMap) {
|
|
Module.frameQueueReplayDiscardBeforePtsMap = {};
|
|
}
|
|
if (!Module.outputSerialMap) {
|
|
Module.outputSerialMap = {};
|
|
}
|
|
Module.frameQueueLastQueuedPtsMap[c_id] = -1;
|
|
Module.frameQueueLastRenderedPtsMap[c_id] = -1;
|
|
Module.frameQueueReplayDiscardBeforePtsMap[c_id] = -1;
|
|
Module.outputSerialMap[c_id] = Promise.resolve();
|
|
}
|
|
function initWebGL(canvas) {
|
|
Module.gl = canvas.getContext("webgl2", {
|
|
antialias: false,
|
|
powerPreference: "high-performance"
|
|
});
|
|
if (!Module.gl) {
|
|
console.error("WebGL 2.0 not supported");
|
|
return;
|
|
}
|
|
Module.gl.viewport(0, 0, canvas.width, canvas.height);
|
|
const vsSource = "#version 300 es\n" + "in vec4 aVertexPosition;\n" + "in vec2 aTextureCoord;\n" + "out vec2 vTextureCoord;\n" + "void main() {\n" + " gl_Position = aVertexPosition;\n" + " vTextureCoord = vec2(aTextureCoord.x, 1.0 - aTextureCoord.y); // 方法1 Y 坐标翻转\n" + "}";
|
|
const fsSource = "#version 300 es\n" + "precision mediump float;\n" + "in vec2 vTextureCoord;\n" + "out vec4 FragColor;\n" + "uniform sampler2D uSampler;\n" + "void main() {\n" + " FragColor = texture(uSampler, vTextureCoord);\n" + " //FragColor = texture(uSampler, vec2(vTextureCoord.x, 1.0 - vTextureCoord.y)); // 方法2 反转 Y 坐标\n" + "}";
|
|
const vertexShader = Module.gl.createShader(Module.gl.VERTEX_SHADER);
|
|
Module.gl.shaderSource(vertexShader, vsSource);
|
|
Module.gl.compileShader(vertexShader);
|
|
if (!Module.gl.getShaderParameter(vertexShader, Module.gl.COMPILE_STATUS)) {
|
|
console.error("顶点着色器编译错误:", Module.gl.getShaderInfoLog(vertexShader));
|
|
return;
|
|
}
|
|
const fragmentShader = Module.gl.createShader(Module.gl.FRAGMENT_SHADER);
|
|
Module.gl.shaderSource(fragmentShader, fsSource);
|
|
Module.gl.compileShader(fragmentShader);
|
|
if (!Module.gl.getShaderParameter(fragmentShader, Module.gl.COMPILE_STATUS)) {
|
|
console.error("片段着色器编译错误:", Module.gl.getShaderInfoLog(fragmentShader));
|
|
return;
|
|
}
|
|
Module.shaderProgram = Module.gl.createProgram();
|
|
Module.gl.attachShader(Module.shaderProgram, vertexShader);
|
|
Module.gl.attachShader(Module.shaderProgram, fragmentShader);
|
|
Module.gl.linkProgram(Module.shaderProgram);
|
|
Module.gl.useProgram(Module.shaderProgram);
|
|
if (!Module.gl.getProgramParameter(Module.shaderProgram, Module.gl.LINK_STATUS)) {
|
|
console.error("着色器程序链接错误:", Module.gl.getProgramInfoLog(Module.shaderProgram));
|
|
return;
|
|
}
|
|
const vertices = new Float32Array([ -1, 1, 0, 1, -1, -1, 0, 0, 1, 1, 1, 1, 1, -1, 1, 0 ]);
|
|
const vertexBuffer = Module.gl.createBuffer();
|
|
Module.gl.bindBuffer(Module.gl.ARRAY_BUFFER, vertexBuffer);
|
|
Module.gl.bufferData(Module.gl.ARRAY_BUFFER, vertices, Module.gl.STATIC_DRAW);
|
|
const aVertexPosition = Module.gl.getAttribLocation(Module.shaderProgram, "aVertexPosition");
|
|
Module.gl.vertexAttribPointer(aVertexPosition, 2, Module.gl.FLOAT, false, 16, 0);
|
|
Module.gl.enableVertexAttribArray(aVertexPosition);
|
|
const aTextureCoord = Module.gl.getAttribLocation(Module.shaderProgram, "aTextureCoord");
|
|
Module.gl.vertexAttribPointer(aTextureCoord, 2, Module.gl.FLOAT, false, 16, 8);
|
|
Module.gl.enableVertexAttribArray(aTextureCoord);
|
|
}
|
|
function initDecoderCall(canvas_id) {
|
|
Module.decoderGeneration = (Module.decoderGeneration || 0) + 1;
|
|
const decoderGeneration = Module.decoderGeneration;
|
|
Module.decoder = new VideoDecoder({
|
|
output: frame => {
|
|
const pts = frame.timestamp;
|
|
const frame_width = frame.codedWidth;
|
|
const frame_height = frame.codedHeight;
|
|
const outputChain = Module.outputSerialMap[canvas_id] || Promise.resolve();
|
|
Module.outputSerialMap[canvas_id] = outputChain.then(async () => {
|
|
let bitmap = null;
|
|
let texture = null;
|
|
let frameClosed = false;
|
|
try {
|
|
if (decoderGeneration !== Module.decoderGeneration) {
|
|
console.warn("wcodec drop stale generation output pts=", pts, "generation=", decoderGeneration, "current=", Module.decoderGeneration);
|
|
frame.close();
|
|
frameClosed = true;
|
|
return;
|
|
}
|
|
if (Module.webcodec_seek_target_pts >= 0) {
|
|
if (pts < Module.webcodec_seek_target_pts) {
|
|
frame.close();
|
|
frameClosed = true;
|
|
return;
|
|
} else {
|
|
Module.webcodec_seek_target_pts = -1;
|
|
if (Module.frameQueueMap && Module.frameQueueMap[canvas_id]) {
|
|
Module.frameQueueMap[canvas_id].forEach(frame => {
|
|
if (frame.texture && Module.gl) {
|
|
Module.gl.deleteTexture(frame.texture);
|
|
frame.texture = null;
|
|
}
|
|
frame = null;
|
|
});
|
|
Module.frameQueueMap[canvas_id] = [];
|
|
Module.frameQueueLastQueuedPtsMap[canvas_id] = -1;
|
|
Module.frameQueueLastRenderedPtsMap[canvas_id] = -1;
|
|
if (Module.frameQueueReplayDiscardBeforePtsMap) {
|
|
Module.frameQueueReplayDiscardBeforePtsMap[canvas_id] = -1;
|
|
}
|
|
console.log("Cleared frame queue");
|
|
}
|
|
self.postMessage({
|
|
type: "seek_success_target",
|
|
payload: {
|
|
"width": frame_width,
|
|
"height": frame_height,
|
|
"pts": pts,
|
|
"target_pts": Module.webcodec_seek_target_pts,
|
|
"cache_size": Module.frameQueueMap[canvas_id].length
|
|
}
|
|
});
|
|
}
|
|
}
|
|
if (!Module.gl) {
|
|
console.error("wcodec ctx root:decoder callback : WebGL 2.0 not supported");
|
|
frame.close();
|
|
frameClosed = true;
|
|
return;
|
|
}
|
|
bitmap = await createImageBitmap(frame);
|
|
if (decoderGeneration !== Module.decoderGeneration) {
|
|
console.warn("wcodec drop stale generation bitmap pts=", pts, "generation=", decoderGeneration, "current=", Module.decoderGeneration);
|
|
return;
|
|
}
|
|
const lastRenderedPts = Module.frameQueueLastRenderedPtsMap[canvas_id] ?? -1;
|
|
const lastQueuedPts = Module.frameQueueLastQueuedPtsMap[canvas_id] ?? -1;
|
|
const replayDiscardBeforePts = Module.frameQueueReplayDiscardBeforePtsMap ? (Module.frameQueueReplayDiscardBeforePtsMap[canvas_id] ?? -1) : -1;
|
|
if (replayDiscardBeforePts >= 0 && pts <= replayDiscardBeforePts) {
|
|
console.warn("wcodec drop replay output pts=", pts, "discardBefore=", replayDiscardBeforePts, "lastRendered=", lastRenderedPts);
|
|
return;
|
|
}
|
|
if (replayDiscardBeforePts >= 0 && pts > replayDiscardBeforePts && Module.frameQueueReplayDiscardBeforePtsMap) {
|
|
console.warn("wcodec replay resume output pts=", pts, "discardBefore=", replayDiscardBeforePts);
|
|
Module.frameQueueReplayDiscardBeforePtsMap[canvas_id] = -1;
|
|
}
|
|
if (pts <= lastRenderedPts || (lastQueuedPts >= 0 && pts <= lastQueuedPts)) {
|
|
console.warn("wcodec drop stale output pts=", pts, "lastRendered=", lastRenderedPts, "lastQueued=", lastQueuedPts);
|
|
return;
|
|
}
|
|
texture = Module.gl.createTexture();
|
|
Module.gl.bindTexture(Module.gl.TEXTURE_2D, texture);
|
|
Module.gl.texImage2D(Module.gl.TEXTURE_2D, 0, Module.gl.RGBA, Module.gl.RGBA, Module.gl.UNSIGNED_BYTE, bitmap);
|
|
Module.gl.texParameteri(Module.gl.TEXTURE_2D, Module.gl.TEXTURE_WRAP_S, Module.gl.CLAMP_TO_EDGE);
|
|
Module.gl.texParameteri(Module.gl.TEXTURE_2D, Module.gl.TEXTURE_WRAP_T, Module.gl.CLAMP_TO_EDGE);
|
|
Module.gl.texParameteri(Module.gl.TEXTURE_2D, Module.gl.TEXTURE_MIN_FILTER, Module.gl.LINEAR);
|
|
Module.frameQueueMap[canvas_id].push({
|
|
"texture": texture,
|
|
"width": frame_width,
|
|
"height": frame_height,
|
|
"pts": pts
|
|
});
|
|
Module.frameQueueLastQueuedPtsMap[canvas_id] = pts;
|
|
texture = null;
|
|
self.postMessage({
|
|
type: "decode_video_progress",
|
|
payload: {
|
|
"width": frame_width,
|
|
"height": frame_height,
|
|
"pts": pts,
|
|
"cache_size": Module.frameQueueMap[canvas_id].length
|
|
}
|
|
});
|
|
} catch (e) {
|
|
console.error("Frame processing error:", e);
|
|
if (texture && Module.gl) {
|
|
Module.gl.deleteTexture(texture);
|
|
}
|
|
} finally {
|
|
if (bitmap) {
|
|
bitmap.close();
|
|
}
|
|
if (!frameClosed) {
|
|
frame.close();
|
|
}
|
|
}
|
|
}).catch(e => {
|
|
console.error("Frame output chain error:", e);
|
|
try {
|
|
frame.close();
|
|
} catch (closeErr) {}
|
|
});
|
|
},
|
|
error: e => {
|
|
if (Module.decoder_reconfiguring) {
|
|
return;
|
|
}
|
|
Module.decoder_reconfiguring = true;
|
|
Module.decoder_error_wait = true;
|
|
const currentQueueLength = Module.frameQueueMap && Module.frameQueueMap[canvas_id] ? Module.frameQueueMap[canvas_id].length : 0;
|
|
const currentLastRenderedPts = Module.frameQueueLastRenderedPtsMap ? (Module.frameQueueLastRenderedPtsMap[canvas_id] ?? -1) : -1;
|
|
const currentLastQueuedPts = Module.frameQueueLastQueuedPtsMap ? (Module.frameQueueLastQueuedPtsMap[canvas_id] ?? -1) : -1;
|
|
const summarizeChunks = chunks => {
|
|
if (!chunks || chunks.length <= 0) {
|
|
return "len=0";
|
|
}
|
|
const first = chunks[0];
|
|
const last = chunks[chunks.length - 1];
|
|
let keyCount = 0;
|
|
for (const chunk of chunks) {
|
|
if (chunk && chunk.type === "key") {
|
|
keyCount += 1;
|
|
}
|
|
}
|
|
const head = chunks.slice(0, Math.min(chunks.length, 4)).map(chunk => `${chunk.type}@${chunk.timestamp}`).join("|");
|
|
const tail = chunks.length > 4 ? chunks.slice(Math.max(4, chunks.length - 2)).map(chunk => `${chunk.type}@${chunk.timestamp}`).join("|") : "";
|
|
return `len=${chunks.length} key_count=${keyCount} first=${first.type}@${first.timestamp} last=${last.type}@${last.timestamp} head=${head}${tail ? ` tail=${tail}` : ""}`;
|
|
};
|
|
const gopSnapshotBeforeReplay = Module.gopChunk ? Module.gopChunk.slice() : [];
|
|
console.error("wcodec decoder error, replay current gop", "generation=", decoderGeneration, "queue_len=", currentQueueLength, "last_rendered_pts=", currentLastRenderedPts, "last_queued_pts=", currentLastQueuedPts, "gop_summary=", summarizeChunks(gopSnapshotBeforeReplay), "name=", e && e.name, "message=", e && e.message, "code=", e && e.code);
|
|
(async () => {
|
|
try {
|
|
if (Module.decoder) {
|
|
try {
|
|
Module.decoder.close();
|
|
} catch (closeErr) {}
|
|
}
|
|
Module.ccall("wcodec_reset_decoder_status", "", [ "number" ], [ Module.decoder_ctx_ptr ]);
|
|
if (Module.frameQueueReplayDiscardBeforePtsMap) {
|
|
Module.frameQueueReplayDiscardBeforePtsMap[canvas_id] = currentLastQueuedPts;
|
|
}
|
|
if (Module.outputSerialMap) {
|
|
Module.outputSerialMap[canvas_id] = Promise.resolve();
|
|
}
|
|
console.warn("wcodec preserve decoded queue during replay", "queue_len=", currentQueueLength, "last_rendered_pts=", currentLastRenderedPts, "last_queued_pts=", currentLastQueuedPts);
|
|
initDecoderCall(canvas_id);
|
|
Module.decoder.configure(Module.decoder_conf);
|
|
const replayChunks = gopSnapshotBeforeReplay;
|
|
const replayArmsKeyframeGate = replayChunks.length > 0 && replayChunks[0] && replayChunks[0].type === "key";
|
|
if (replayArmsKeyframeGate) {
|
|
Module.ccall("wcodec_mark_keyframe_started", "", [ "number" ], [ Module.decoder_ctx_ptr ]);
|
|
console.warn("wcodec replay arm keyframe gate from replay buffer", "summary=", summarizeChunks(replayChunks));
|
|
} else {
|
|
console.warn("wcodec replay keeps keyframe gate closed", "summary=", summarizeChunks(replayChunks));
|
|
}
|
|
Module.gopChunk = replayChunks.slice();
|
|
console.warn("wcodec replay reseed live gop buffer before decode", "summary=", summarizeChunks(Module.gopChunk));
|
|
for (const chunk of replayChunks) {
|
|
Module.decoder.decode(new EncodedVideoChunk(chunk));
|
|
}
|
|
} catch (err) {
|
|
console.error("reset decoder failed:", err);
|
|
} finally {
|
|
Module.decoder_error_wait = false;
|
|
Module.decoder_reconfiguring = false;
|
|
}
|
|
})();
|
|
}
|
|
});
|
|
}
|
|
initWebGL(Module.canvas);
|
|
initFrameQueue(c_id);
|
|
initDecoderCall(c_id);
|
|
},
|
|
429858: $0 => {
|
|
const c_id = Module.UTF8ToString($0);
|
|
if (!Module.frameQueueMap || !Module.frameQueueMap[c_id]) {
|
|
return 0;
|
|
}
|
|
return Module.frameQueueMap[c_id].length;
|
|
},
|
|
430014: $0 => {
|
|
if (Module.webcodec_seek_target_pts >= 0) {
|
|
return -1;
|
|
}
|
|
const canvasId = UTF8ToString($0);
|
|
if (!Module.frameQueueMap || !Module.frameQueueMap[canvasId] || !Module.frameQueueMap[canvasId].length) {
|
|
return -1;
|
|
}
|
|
const frameData = Module.frameQueueMap[canvasId].shift();
|
|
if (!frameData) {
|
|
return 0;
|
|
}
|
|
Module.gl.activeTexture(Module.gl.TEXTURE0);
|
|
Module.gl.bindTexture(Module.gl.TEXTURE_2D, frameData["texture"]);
|
|
Module.gl.uniform1i(Module.gl.getUniformLocation(Module.shaderProgram, "uSampler"), 0);
|
|
Module.gl.drawArrays(Module.gl.TRIANGLE_STRIP, 0, 4);
|
|
Module.gl.deleteTexture(frameData["texture"]);
|
|
Module.av_align_video_play_ms = frameData["pts"];
|
|
if (!Module.frameQueueLastRenderedPtsMap) {
|
|
Module.frameQueueLastRenderedPtsMap = {};
|
|
}
|
|
Module.frameQueueLastRenderedPtsMap[canvasId] = Module.av_align_video_play_ms;
|
|
self.postMessage({
|
|
type: "render_progress",
|
|
payload: {
|
|
"width": frameData["width"],
|
|
"height": frameData["height"],
|
|
"pts": Module.av_align_video_play_ms
|
|
}
|
|
});
|
|
return 1;
|
|
},
|
|
431003: ($0, $1, $2, $3, $4, $5) => {
|
|
const canvasId = Module.UTF8ToString($4);
|
|
const data = new Uint8Array(Module.HEAPU8.subarray($0, $0 + $1));
|
|
if ($3 > 0) {
|
|
const oldGopLen = Module.gopChunk ? Module.gopChunk.length : 0;
|
|
const oldGopLastTs = oldGopLen > 0 ? Module.gopChunk[oldGopLen - 1].timestamp : -1;
|
|
console.warn("core feed start new gop on key", "ts=", Number($2), "old_gop_len=", oldGopLen, "old_gop_last_ts=", oldGopLastTs);
|
|
Module.gopChunk = [];
|
|
}
|
|
if ($5 > 0 && Module.webcodec_seek_target_pts >= 0) {
|
|
if (Module.frameQueueMap && Module.frameQueueMap[canvasId]) {
|
|
Module.frameQueueMap[canvasId].forEach(frame => {
|
|
if (frame.texture && Module.gl) {
|
|
Module.gl.deleteTexture(frame.texture);
|
|
frame.texture = null;
|
|
}
|
|
frame = null;
|
|
});
|
|
Module.frameQueueMap[canvasId] = [];
|
|
if (Module.frameQueueLastQueuedPtsMap) {
|
|
Module.frameQueueLastQueuedPtsMap[canvasId] = -1;
|
|
}
|
|
if (Module.frameQueueLastRenderedPtsMap) {
|
|
Module.frameQueueLastRenderedPtsMap[canvasId] = -1;
|
|
}
|
|
if (Module.frameQueueReplayDiscardBeforePtsMap) {
|
|
Module.frameQueueReplayDiscardBeforePtsMap[canvasId] = -1;
|
|
}
|
|
console.log("Cleared frame queue");
|
|
}
|
|
}
|
|
const key_type = $3 > 0 ? "key" : "delta";
|
|
const timestamp = Number($2);
|
|
Module.gopChunk.push({
|
|
"type": key_type,
|
|
"timestamp": timestamp,
|
|
"data": data
|
|
});
|
|
const chunk = new EncodedVideoChunk({
|
|
type: key_type,
|
|
timestamp,
|
|
data
|
|
});
|
|
Module.decoder.decode(chunk);
|
|
}
|
|
};
|
|
|
|
function js_alert_demuxer(msg) {
|
|
console.log(UTF8ToString(msg));
|
|
if (typeof self !== "undefined" && self.constructor?.name === "DedicatedWorkerGlobalScope") {
|
|
postMessage({
|
|
type: "alert_page",
|
|
payload: UTF8ToString(msg)
|
|
});
|
|
self.close();
|
|
} else {
|
|
alert(UTF8ToString(msg));
|
|
}
|
|
}
|
|
|
|
function js_reload_page_demuxer() {
|
|
if (typeof self !== "undefined" && self.constructor?.name === "DedicatedWorkerGlobalScope") {
|
|
postMessage({
|
|
type: "reload_page"
|
|
});
|
|
self.close();
|
|
} else {
|
|
location.reload();
|
|
}
|
|
}
|
|
|
|
function js_alert_wdec(msg) {
|
|
console.log(UTF8ToString(msg));
|
|
if (typeof self !== "undefined" && self.constructor?.name === "DedicatedWorkerGlobalScope") {
|
|
postMessage({
|
|
type: "alert_page",
|
|
payload: UTF8ToString(msg)
|
|
});
|
|
self.close();
|
|
} else {
|
|
alert(UTF8ToString(msg));
|
|
}
|
|
}
|
|
|
|
function js_reload_page_wdec() {
|
|
if (typeof self !== "undefined" && self.constructor?.name === "DedicatedWorkerGlobalScope") {
|
|
postMessage({
|
|
type: "reload_page"
|
|
});
|
|
self.close();
|
|
} else {
|
|
location.reload();
|
|
}
|
|
}
|
|
|
|
function js_alert_ffdec(msg) {
|
|
console.log(UTF8ToString(msg));
|
|
if (typeof self !== "undefined" && self.constructor?.name === "DedicatedWorkerGlobalScope") {
|
|
postMessage({
|
|
type: "alert_page",
|
|
payload: UTF8ToString(msg)
|
|
});
|
|
self.close();
|
|
} else {
|
|
alert(UTF8ToString(msg));
|
|
}
|
|
}
|
|
|
|
function js_reload_page_ffdec() {
|
|
if (typeof self !== "undefined" && self.constructor?.name === "DedicatedWorkerGlobalScope") {
|
|
postMessage({
|
|
type: "reload_page"
|
|
});
|
|
self.close();
|
|
} else {
|
|
location.reload();
|
|
}
|
|
}
|
|
|
|
var wasmImports;
|
|
|
|
function assignWasmImports() {
|
|
wasmImports = {
|
|
/** @export */ __assert_fail: ___assert_fail,
|
|
/** @export */ __cxa_throw: ___cxa_throw,
|
|
/** @export */ __handle_stack_overflow: ___handle_stack_overflow,
|
|
/** @export */ __pthread_create_js: ___pthread_create_js,
|
|
/** @export */ __syscall_fcntl64: ___syscall_fcntl64,
|
|
/** @export */ __syscall_fstat64: ___syscall_fstat64,
|
|
/** @export */ __syscall_openat: ___syscall_openat,
|
|
/** @export */ _abort_js: __abort_js,
|
|
/** @export */ _embind_register_bigint: __embind_register_bigint,
|
|
/** @export */ _embind_register_bool: __embind_register_bool,
|
|
/** @export */ _embind_register_emval: __embind_register_emval,
|
|
/** @export */ _embind_register_float: __embind_register_float,
|
|
/** @export */ _embind_register_integer: __embind_register_integer,
|
|
/** @export */ _embind_register_memory_view: __embind_register_memory_view,
|
|
/** @export */ _embind_register_std_string: __embind_register_std_string,
|
|
/** @export */ _embind_register_std_wstring: __embind_register_std_wstring,
|
|
/** @export */ _embind_register_void: __embind_register_void,
|
|
/** @export */ _emscripten_init_main_thread_js: __emscripten_init_main_thread_js,
|
|
/** @export */ _emscripten_notify_mailbox_postmessage: __emscripten_notify_mailbox_postmessage,
|
|
/** @export */ _emscripten_receive_on_main_thread_js: __emscripten_receive_on_main_thread_js,
|
|
/** @export */ _emscripten_runtime_keepalive_clear: __emscripten_runtime_keepalive_clear,
|
|
/** @export */ _emscripten_thread_cleanup: __emscripten_thread_cleanup,
|
|
/** @export */ _emscripten_thread_mailbox_await: __emscripten_thread_mailbox_await,
|
|
/** @export */ _emscripten_thread_set_strongref: __emscripten_thread_set_strongref,
|
|
/** @export */ _emscripten_throw_longjmp: __emscripten_throw_longjmp,
|
|
/** @export */ _gmtime_js: __gmtime_js,
|
|
/** @export */ _localtime_js: __localtime_js,
|
|
/** @export */ _mktime_js: __mktime_js,
|
|
/** @export */ _mmap_js: __mmap_js,
|
|
/** @export */ _munmap_js: __munmap_js,
|
|
/** @export */ _setitimer_js: __setitimer_js,
|
|
/** @export */ _tzset_js: __tzset_js,
|
|
/** @export */ clock_time_get: _clock_time_get,
|
|
/** @export */ emscripten_asm_const_int: _emscripten_asm_const_int,
|
|
/** @export */ emscripten_check_blocking_allowed: _emscripten_check_blocking_allowed,
|
|
/** @export */ emscripten_date_now: _emscripten_date_now,
|
|
/** @export */ emscripten_exit_with_live_runtime: _emscripten_exit_with_live_runtime,
|
|
/** @export */ emscripten_fetch_free: _emscripten_fetch_free,
|
|
/** @export */ emscripten_get_heap_max: _emscripten_get_heap_max,
|
|
/** @export */ emscripten_get_now: _emscripten_get_now,
|
|
/** @export */ emscripten_num_logical_cores: _emscripten_num_logical_cores,
|
|
/** @export */ emscripten_resize_heap: _emscripten_resize_heap,
|
|
/** @export */ emscripten_runtime_keepalive_check: _emscripten_runtime_keepalive_check,
|
|
/** @export */ emscripten_set_canvas_element_size: _emscripten_set_canvas_element_size,
|
|
/** @export */ emscripten_start_fetch: _emscripten_start_fetch,
|
|
/** @export */ emscripten_webgl_create_context: _emscripten_webgl_create_context,
|
|
/** @export */ emscripten_webgl_destroy_context: _emscripten_webgl_destroy_context,
|
|
/** @export */ emscripten_webgl_make_context_current: _emscripten_webgl_make_context_current,
|
|
/** @export */ environ_get: _environ_get,
|
|
/** @export */ environ_sizes_get: _environ_sizes_get,
|
|
/** @export */ exit: _exit,
|
|
/** @export */ fd_close: _fd_close,
|
|
/** @export */ fd_fdstat_get: _fd_fdstat_get,
|
|
/** @export */ fd_read: _fd_read,
|
|
/** @export */ fd_seek: _fd_seek,
|
|
/** @export */ fd_write: _fd_write,
|
|
/** @export */ glActiveTexture: _glActiveTexture,
|
|
/** @export */ glAttachShader: _glAttachShader,
|
|
/** @export */ glBindBuffer: _glBindBuffer,
|
|
/** @export */ glBindFramebuffer: _glBindFramebuffer,
|
|
/** @export */ glBindTexture: _glBindTexture,
|
|
/** @export */ glBlendFunc: _glBlendFunc,
|
|
/** @export */ glBufferData: _glBufferData,
|
|
/** @export */ glClear: _glClear,
|
|
/** @export */ glClearColor: _glClearColor,
|
|
/** @export */ glCompileShader: _glCompileShader,
|
|
/** @export */ glCreateProgram: _glCreateProgram,
|
|
/** @export */ glCreateShader: _glCreateShader,
|
|
/** @export */ glDeleteFramebuffers: _glDeleteFramebuffers,
|
|
/** @export */ glDeleteProgram: _glDeleteProgram,
|
|
/** @export */ glDeleteTextures: _glDeleteTextures,
|
|
/** @export */ glDepthFunc: _glDepthFunc,
|
|
/** @export */ glDisable: _glDisable,
|
|
/** @export */ glDrawArrays: _glDrawArrays,
|
|
/** @export */ glEnable: _glEnable,
|
|
/** @export */ glEnableVertexAttribArray: _glEnableVertexAttribArray,
|
|
/** @export */ glFramebufferTexture2D: _glFramebufferTexture2D,
|
|
/** @export */ glGenBuffers: _glGenBuffers,
|
|
/** @export */ glGenFramebuffers: _glGenFramebuffers,
|
|
/** @export */ glGenTextures: _glGenTextures,
|
|
/** @export */ glGetAttribLocation: _glGetAttribLocation,
|
|
/** @export */ glGetError: _glGetError,
|
|
/** @export */ glGetProgramiv: _glGetProgramiv,
|
|
/** @export */ glGetShaderInfoLog: _glGetShaderInfoLog,
|
|
/** @export */ glGetShaderiv: _glGetShaderiv,
|
|
/** @export */ glGetUniformLocation: _glGetUniformLocation,
|
|
/** @export */ glLinkProgram: _glLinkProgram,
|
|
/** @export */ glShaderSource: _glShaderSource,
|
|
/** @export */ glTexImage2D: _glTexImage2D,
|
|
/** @export */ glTexParameterf: _glTexParameterf,
|
|
/** @export */ glTexParameteri: _glTexParameteri,
|
|
/** @export */ glUniform1i: _glUniform1i,
|
|
/** @export */ glUniformMatrix4fv: _glUniformMatrix4fv,
|
|
/** @export */ glUseProgram: _glUseProgram,
|
|
/** @export */ glVertexAttribPointer: _glVertexAttribPointer,
|
|
/** @export */ glViewport: _glViewport,
|
|
/** @export */ invoke_iii,
|
|
/** @export */ invoke_iiii,
|
|
/** @export */ invoke_iiiii,
|
|
/** @export */ memory: wasmMemory,
|
|
/** @export */ proc_exit: _proc_exit
|
|
};
|
|
}
|
|
|
|
var wasmExports = await createWasm();
|
|
|
|
var ___wasm_call_ctors = createExportWrapper("__wasm_call_ctors", 0);
|
|
|
|
var _malloc = Module["_malloc"] = createExportWrapper("malloc", 1);
|
|
|
|
var _free = Module["_free"] = createExportWrapper("free", 1);
|
|
|
|
var _bind_demuxer_callback = Module["_bind_demuxer_callback"] = createExportWrapper("bind_demuxer_callback", 10);
|
|
|
|
var _init_demuxer_ctx = Module["_init_demuxer_ctx"] = createExportWrapper("init_demuxer_ctx", 0);
|
|
|
|
var _release_demuxer_ctx = Module["_release_demuxer_ctx"] = createExportWrapper("release_demuxer_ctx", 1);
|
|
|
|
var _push_buffer = Module["_push_buffer"] = createExportWrapper("push_buffer", 4);
|
|
|
|
var _push_probe = Module["_push_probe"] = createExportWrapper("push_probe", 2);
|
|
|
|
var _fetch_done_buffer = Module["_fetch_done_buffer"] = createExportWrapper("fetch_done_buffer", 1);
|
|
|
|
var _demuxer_video_pkt = Module["_demuxer_video_pkt"] = createExportWrapper("demuxer_video_pkt", 3);
|
|
|
|
var _ffdemuxer_set_read_frame_multiple_times = Module["_ffdemuxer_set_read_frame_multiple_times"] = createExportWrapper("ffdemuxer_set_read_frame_multiple_times", 2);
|
|
|
|
var _ffdemuxer_set_mode_live = Module["_ffdemuxer_set_mode_live"] = createExportWrapper("ffdemuxer_set_mode_live", 1);
|
|
|
|
var _ffdemuxer_set_format_hint = Module["_ffdemuxer_set_format_hint"] = createExportWrapper("ffdemuxer_set_format_hint", 2);
|
|
|
|
var _test_call = Module["_test_call"] = createExportWrapper("test_call", 1);
|
|
|
|
var _init_webcodec_ctx = Module["_init_webcodec_ctx"] = createExportWrapper("init_webcodec_ctx", 0);
|
|
|
|
var _release_webcodec_ctx = Module["_release_webcodec_ctx"] = createExportWrapper("release_webcodec_ctx", 1);
|
|
|
|
var _wcodec_gpu_memory_info = Module["_wcodec_gpu_memory_info"] = createExportWrapper("wcodec_gpu_memory_info", 1);
|
|
|
|
var _wcodec_init_gl_cb = Module["_wcodec_init_gl_cb"] = createExportWrapper("wcodec_init_gl_cb", 2);
|
|
|
|
var _wcodec_create_data_buffer = Module["_wcodec_create_data_buffer"] = createExportWrapper("wcodec_create_data_buffer", 2);
|
|
|
|
var _wcodec_feed_data = Module["_wcodec_feed_data"] = createExportWrapper("wcodec_feed_data", 5);
|
|
|
|
var _wcodec_reset_decoder_status = Module["_wcodec_reset_decoder_status"] = createExportWrapper("wcodec_reset_decoder_status", 1);
|
|
|
|
var _wcodec_mark_keyframe_started = Module["_wcodec_mark_keyframe_started"] = createExportWrapper("wcodec_mark_keyframe_started", 1);
|
|
|
|
var _free_buffer = Module["_free_buffer"] = createExportWrapper("free_buffer", 2);
|
|
|
|
var _wcodec_get_frame_queue_length = Module["_wcodec_get_frame_queue_length"] = createExportWrapper("wcodec_get_frame_queue_length", 1);
|
|
|
|
var _wcodec_render_frame_from_queue = Module["_wcodec_render_frame_from_queue"] = createExportWrapper("wcodec_render_frame_from_queue", 1);
|
|
|
|
var _wcodec_first_cache_pts_ms = Module["_wcodec_first_cache_pts_ms"] = createExportWrapper("wcodec_first_cache_pts_ms", 1);
|
|
|
|
var _wcodec_pop_cache = Module["_wcodec_pop_cache"] = createExportWrapper("wcodec_pop_cache", 1);
|
|
|
|
var _wcodec_clean_tex_queue = Module["_wcodec_clean_tex_queue"] = createExportWrapper("wcodec_clean_tex_queue", 1);
|
|
|
|
var _init_ffdecoder_ctx = Module["_init_ffdecoder_ctx"] = createExportWrapper("init_ffdecoder_ctx", 0);
|
|
|
|
var _release_ffdecoder_ctx = Module["_release_ffdecoder_ctx"] = createExportWrapper("release_ffdecoder_ctx", 1);
|
|
|
|
var _ffdecoder_set_video_decoder = Module["_ffdecoder_set_video_decoder"] = createExportWrapper("ffdecoder_set_video_decoder", 4);
|
|
|
|
var _ffdecoder_set_video_decoder_with_extra = Module["_ffdecoder_set_video_decoder_with_extra"] = createExportWrapper("ffdecoder_set_video_decoder_with_extra", 6);
|
|
|
|
var _ffdecoder_set_audio_decoder = Module["_ffdecoder_set_audio_decoder"] = createExportWrapper("ffdecoder_set_audio_decoder", 2);
|
|
|
|
var _ffdecoder_decode_video_frame = Module["_ffdecoder_decode_video_frame"] = createExportWrapper("ffdecoder_decode_video_frame", 6);
|
|
|
|
var _ffdecoder_decode_audio_frame = Module["_ffdecoder_decode_audio_frame"] = createExportWrapper("ffdecoder_decode_audio_frame", 6);
|
|
|
|
var _ffdecoder_bind_callback = Module["_ffdecoder_bind_callback"] = createExportWrapper("ffdecoder_bind_callback", 3);
|
|
|
|
var _ffdecoder_seek_set = Module["_ffdecoder_seek_set"] = createExportWrapper("ffdecoder_seek_set", 2);
|
|
|
|
var _init_cylopengl_ctx = Module["_init_cylopengl_ctx"] = createExportWrapper("init_cylopengl_ctx", 0);
|
|
|
|
var _cylopengl_create_context = Module["_cylopengl_create_context"] = createExportWrapper("cylopengl_create_context", 5);
|
|
|
|
var _cylopengl_create_shader_algorithm = Module["_cylopengl_create_shader_algorithm"] = createExportWrapper("cylopengl_create_shader_algorithm", 4);
|
|
|
|
var _cylopengl_release_renderer_source = Module["_cylopengl_release_renderer_source"] = createExportWrapper("cylopengl_release_renderer_source", 0);
|
|
|
|
var _cylopengl_change_viewport = Module["_cylopengl_change_viewport"] = createExportWrapper("cylopengl_change_viewport", 2);
|
|
|
|
var _cylopengl_is_init = Module["_cylopengl_is_init"] = createExportWrapper("cylopengl_is_init", 0);
|
|
|
|
var _cylopengl_install_text_object = Module["_cylopengl_install_text_object"] = createExportWrapper("cylopengl_install_text_object", 1);
|
|
|
|
var _cylopengl_render_text = Module["_cylopengl_render_text"] = createExportWrapper("cylopengl_render_text", 2);
|
|
|
|
var _cylopengl_request_font_text_style_file = Module["_cylopengl_request_font_text_style_file"] = createExportWrapper("cylopengl_request_font_text_style_file", 1);
|
|
|
|
var _cylopengl_append_cache_texture = Module["_cylopengl_append_cache_texture"] = createExportWrapper("cylopengl_append_cache_texture", 3);
|
|
|
|
var _cylopengl_get_cache_length = Module["_cylopengl_get_cache_length"] = createExportWrapper("cylopengl_get_cache_length", 0);
|
|
|
|
var _cylopengl_clean_cache_queue = Module["_cylopengl_clean_cache_queue"] = createExportWrapper("cylopengl_clean_cache_queue", 0);
|
|
|
|
var _cylopengl_render_cache_texture = Module["_cylopengl_render_cache_texture"] = createExportWrapper("cylopengl_render_cache_texture", 0);
|
|
|
|
var _cylopengl_render_test_rgba = Module["_cylopengl_render_test_rgba"] = createExportWrapper("cylopengl_render_test_rgba", 4);
|
|
|
|
var _cylopengl_append_cache_yuv420p = Module["_cylopengl_append_cache_yuv420p"] = createExportWrapper("cylopengl_append_cache_yuv420p", 9);
|
|
|
|
var _cylopengl_get_cache_yuv_length = Module["_cylopengl_get_cache_yuv_length"] = createExportWrapper("cylopengl_get_cache_yuv_length", 0);
|
|
|
|
var _cylopengl_render_cache_yuv420p = Module["_cylopengl_render_cache_yuv420p"] = createExportWrapper("cylopengl_render_cache_yuv420p", 0);
|
|
|
|
var _cylopengl_first_cache_pts_ms = Module["_cylopengl_first_cache_pts_ms"] = createExportWrapper("cylopengl_first_cache_pts_ms", 0);
|
|
|
|
var _cylopengl_pop_cache_yuv420p = Module["_cylopengl_pop_cache_yuv420p"] = createExportWrapper("cylopengl_pop_cache_yuv420p", 0);
|
|
|
|
var _cylopengl_render_test_yuv420p = Module["_cylopengl_render_test_yuv420p"] = createExportWrapper("cylopengl_render_test_yuv420p", 8);
|
|
|
|
var _main = Module["_main"] = createExportWrapper("main", 2);
|
|
|
|
var ___getTypeName = createExportWrapper("__getTypeName", 1);
|
|
|
|
var __embind_initialize_bindings = createExportWrapper("_embind_initialize_bindings", 0);
|
|
|
|
var __emscripten_tls_init = createExportWrapper("_emscripten_tls_init", 0);
|
|
|
|
var _pthread_self = () => (_pthread_self = wasmExports["pthread_self"])();
|
|
|
|
var _emscripten_builtin_memalign = createExportWrapper("emscripten_builtin_memalign", 2);
|
|
|
|
var __emscripten_proxy_main = Module["__emscripten_proxy_main"] = createExportWrapper("_emscripten_proxy_main", 2);
|
|
|
|
var _emscripten_stack_get_base = () => (_emscripten_stack_get_base = wasmExports["emscripten_stack_get_base"])();
|
|
|
|
var _emscripten_stack_get_end = () => (_emscripten_stack_get_end = wasmExports["emscripten_stack_get_end"])();
|
|
|
|
var __emscripten_set_offscreencanvas_size_on_thread = createExportWrapper("_emscripten_set_offscreencanvas_size_on_thread", 4);
|
|
|
|
var __emscripten_thread_init = createExportWrapper("_emscripten_thread_init", 6);
|
|
|
|
var __emscripten_thread_crashed = createExportWrapper("_emscripten_thread_crashed", 0);
|
|
|
|
var _fflush = createExportWrapper("fflush", 1);
|
|
|
|
var __emscripten_run_on_main_thread_js = createExportWrapper("_emscripten_run_on_main_thread_js", 5);
|
|
|
|
var __emscripten_thread_free_data = createExportWrapper("_emscripten_thread_free_data", 1);
|
|
|
|
var __emscripten_thread_exit = createExportWrapper("_emscripten_thread_exit", 1);
|
|
|
|
var __emscripten_timeout = createExportWrapper("_emscripten_timeout", 2);
|
|
|
|
var _strerror = createExportWrapper("strerror", 1);
|
|
|
|
var __emscripten_check_mailbox = createExportWrapper("_emscripten_check_mailbox", 0);
|
|
|
|
var _setThrew = createExportWrapper("setThrew", 2);
|
|
|
|
var _emscripten_stack_init = () => (_emscripten_stack_init = wasmExports["emscripten_stack_init"])();
|
|
|
|
var _emscripten_stack_set_limits = (a0, a1) => (_emscripten_stack_set_limits = wasmExports["emscripten_stack_set_limits"])(a0, a1);
|
|
|
|
var _emscripten_stack_get_free = () => (_emscripten_stack_get_free = wasmExports["emscripten_stack_get_free"])();
|
|
|
|
var __emscripten_stack_restore = a0 => (__emscripten_stack_restore = wasmExports["_emscripten_stack_restore"])(a0);
|
|
|
|
var __emscripten_stack_alloc = a0 => (__emscripten_stack_alloc = wasmExports["_emscripten_stack_alloc"])(a0);
|
|
|
|
var _emscripten_stack_get_current = () => (_emscripten_stack_get_current = wasmExports["emscripten_stack_get_current"])();
|
|
|
|
var ___cxa_increment_exception_refcount = createExportWrapper("__cxa_increment_exception_refcount", 1);
|
|
|
|
var ___set_stack_limits = Module["___set_stack_limits"] = createExportWrapper("__set_stack_limits", 2);
|
|
|
|
var dynCall_ii = Module["dynCall_ii"] = createExportWrapper("dynCall_ii", 2);
|
|
|
|
var dynCall_iii = Module["dynCall_iii"] = createExportWrapper("dynCall_iii", 3);
|
|
|
|
var dynCall_iiii = Module["dynCall_iiii"] = createExportWrapper("dynCall_iiii", 4);
|
|
|
|
var dynCall_jiji = Module["dynCall_jiji"] = createExportWrapper("dynCall_jiji", 4);
|
|
|
|
var dynCall_jiiji = Module["dynCall_jiiji"] = createExportWrapper("dynCall_jiiji", 5);
|
|
|
|
var dynCall_iiiji = Module["dynCall_iiiji"] = createExportWrapper("dynCall_iiiji", 5);
|
|
|
|
var dynCall_v = Module["dynCall_v"] = createExportWrapper("dynCall_v", 1);
|
|
|
|
var dynCall_viiiiii = Module["dynCall_viiiiii"] = createExportWrapper("dynCall_viiiiii", 7);
|
|
|
|
var dynCall_vi = Module["dynCall_vi"] = createExportWrapper("dynCall_vi", 2);
|
|
|
|
var dynCall_iiiii = Module["dynCall_iiiii"] = createExportWrapper("dynCall_iiiii", 5);
|
|
|
|
var dynCall_jiiij = Module["dynCall_jiiij"] = createExportWrapper("dynCall_jiiij", 5);
|
|
|
|
var dynCall_viii = Module["dynCall_viii"] = createExportWrapper("dynCall_viii", 4);
|
|
|
|
var dynCall_iiiiij = Module["dynCall_iiiiij"] = createExportWrapper("dynCall_iiiiij", 6);
|
|
|
|
var dynCall_vii = Module["dynCall_vii"] = createExportWrapper("dynCall_vii", 3);
|
|
|
|
var dynCall_iiiiii = Module["dynCall_iiiiii"] = createExportWrapper("dynCall_iiiiii", 6);
|
|
|
|
var dynCall_viiiii = Module["dynCall_viiiii"] = createExportWrapper("dynCall_viiiii", 6);
|
|
|
|
var dynCall_viiiiiifi = Module["dynCall_viiiiiifi"] = createExportWrapper("dynCall_viiiiiifi", 9);
|
|
|
|
var dynCall_viiii = Module["dynCall_viiii"] = createExportWrapper("dynCall_viiii", 5);
|
|
|
|
var dynCall_iiiiiii = Module["dynCall_iiiiiii"] = createExportWrapper("dynCall_iiiiiii", 7);
|
|
|
|
var dynCall_viiiiiiiiiiiiii = Module["dynCall_viiiiiiiiiiiiii"] = createExportWrapper("dynCall_viiiiiiiiiiiiii", 15);
|
|
|
|
var dynCall_viiiiiiiii = Module["dynCall_viiiiiiiii"] = createExportWrapper("dynCall_viiiiiiiii", 10);
|
|
|
|
var dynCall_viiiiiiiiiii = Module["dynCall_viiiiiiiiiii"] = createExportWrapper("dynCall_viiiiiiiiiii", 12);
|
|
|
|
var dynCall_viiiiiiii = Module["dynCall_viiiiiiii"] = createExportWrapper("dynCall_viiiiiiii", 9);
|
|
|
|
var dynCall_viiiiiii = Module["dynCall_viiiiiii"] = createExportWrapper("dynCall_viiiiiii", 8);
|
|
|
|
var dynCall_viiiiiiiiiiii = Module["dynCall_viiiiiiiiiiii"] = createExportWrapper("dynCall_viiiiiiiiiiii", 13);
|
|
|
|
var dynCall_viiiifii = Module["dynCall_viiiifii"] = createExportWrapper("dynCall_viiiifii", 8);
|
|
|
|
var dynCall_fii = Module["dynCall_fii"] = createExportWrapper("dynCall_fii", 3);
|
|
|
|
var dynCall_viiiiiiiiii = Module["dynCall_viiiiiiiiii"] = createExportWrapper("dynCall_viiiiiiiiii", 11);
|
|
|
|
var dynCall_viiijj = Module["dynCall_viiijj"] = createExportWrapper("dynCall_viiijj", 6);
|
|
|
|
var dynCall_iiiiiiidiiddii = Module["dynCall_iiiiiiidiiddii"] = createExportWrapper("dynCall_iiiiiiidiiddii", 14);
|
|
|
|
var dynCall_jij = Module["dynCall_jij"] = createExportWrapper("dynCall_jij", 3);
|
|
|
|
var dynCall_jii = Module["dynCall_jii"] = createExportWrapper("dynCall_jii", 3);
|
|
|
|
var dynCall_viifi = Module["dynCall_viifi"] = createExportWrapper("dynCall_viifi", 5);
|
|
|
|
var dynCall_fiii = Module["dynCall_fiii"] = createExportWrapper("dynCall_fiii", 4);
|
|
|
|
var dynCall_viidi = Module["dynCall_viidi"] = createExportWrapper("dynCall_viidi", 5);
|
|
|
|
var dynCall_dd = Module["dynCall_dd"] = createExportWrapper("dynCall_dd", 2);
|
|
|
|
var dynCall_iiiiiiiii = Module["dynCall_iiiiiiiii"] = createExportWrapper("dynCall_iiiiiiiii", 9);
|
|
|
|
var dynCall_iidiiii = Module["dynCall_iidiiii"] = createExportWrapper("dynCall_iidiiii", 7);
|
|
|
|
var dynCall_iiiiiiiiii = Module["dynCall_iiiiiiiiii"] = createExportWrapper("dynCall_iiiiiiiiii", 10);
|
|
|
|
var dynCall_iiiiiiii = Module["dynCall_iiiiiiii"] = createExportWrapper("dynCall_iiiiiiii", 8);
|
|
|
|
var dynCall_viijii = Module["dynCall_viijii"] = createExportWrapper("dynCall_viijii", 6);
|
|
|
|
var dynCall_iiiiid = Module["dynCall_iiiiid"] = createExportWrapper("dynCall_iiiiid", 6);
|
|
|
|
var dynCall_iiiiijj = Module["dynCall_iiiiijj"] = createExportWrapper("dynCall_iiiiijj", 7);
|
|
|
|
var dynCall_iiiiiijj = Module["dynCall_iiiiiijj"] = createExportWrapper("dynCall_iiiiiijj", 8);
|
|
|
|
var _asyncify_start_unwind = createExportWrapper("asyncify_start_unwind", 1);
|
|
|
|
var _asyncify_stop_unwind = createExportWrapper("asyncify_stop_unwind", 0);
|
|
|
|
var _asyncify_start_rewind = createExportWrapper("asyncify_start_rewind", 1);
|
|
|
|
var _asyncify_stop_rewind = createExportWrapper("asyncify_stop_rewind", 0);
|
|
|
|
var _ff_h264_cabac_tables = Module["_ff_h264_cabac_tables"] = 192984;
|
|
|
|
function invoke_iii(index, a1, a2) {
|
|
var sp = stackSave();
|
|
try {
|
|
return dynCall_iii(index, a1, a2);
|
|
} catch (e) {
|
|
stackRestore(sp);
|
|
if (e !== e + 0) throw e;
|
|
_setThrew(1, 0);
|
|
}
|
|
}
|
|
|
|
function invoke_iiiii(index, a1, a2, a3, a4) {
|
|
var sp = stackSave();
|
|
try {
|
|
return dynCall_iiiii(index, a1, a2, a3, a4);
|
|
} catch (e) {
|
|
stackRestore(sp);
|
|
if (e !== e + 0) throw e;
|
|
_setThrew(1, 0);
|
|
}
|
|
}
|
|
|
|
function invoke_iiii(index, a1, a2, a3) {
|
|
var sp = stackSave();
|
|
try {
|
|
return dynCall_iiii(index, a1, a2, a3);
|
|
} catch (e) {
|
|
stackRestore(sp);
|
|
if (e !== e + 0) throw e;
|
|
_setThrew(1, 0);
|
|
}
|
|
}
|
|
|
|
// include: postamble.js
|
|
// === Auto-generated postamble setup entry stuff ===
|
|
Module["addRunDependency"] = addRunDependency;
|
|
|
|
Module["removeRunDependency"] = removeRunDependency;
|
|
|
|
Module["ccall"] = ccall;
|
|
|
|
Module["cwrap"] = cwrap;
|
|
|
|
Module["addFunction"] = addFunction;
|
|
|
|
Module["removeFunction"] = removeFunction;
|
|
|
|
Module["UTF8ToString"] = UTF8ToString;
|
|
|
|
Module["stringToUTF8"] = stringToUTF8;
|
|
|
|
Module["FS_createPreloadedFile"] = FS_createPreloadedFile;
|
|
|
|
Module["FS_unlink"] = FS_unlink;
|
|
|
|
Module["FS_createPath"] = FS_createPath;
|
|
|
|
Module["FS_createDevice"] = FS_createDevice;
|
|
|
|
Module["FS"] = FS;
|
|
|
|
Module["FS_createDataFile"] = FS_createDataFile;
|
|
|
|
Module["FS_createLazyFile"] = FS_createLazyFile;
|
|
|
|
Module["allocateUTF8"] = allocateUTF8;
|
|
|
|
var missingLibrarySymbols = [ "writeI53ToI64Clamped", "writeI53ToI64Signaling", "writeI53ToU64Clamped", "writeI53ToU64Signaling", "convertI32PairToI53", "convertI32PairToI53Checked", "convertU32PairToI53", "getTempRet0", "setTempRet0", "inetPton4", "inetNtop4", "inetPton6", "inetNtop6", "readSockaddr", "writeSockaddr", "emscriptenLog", "runMainThreadEmAsm", "listenOnce", "autoResumeAudioContext", "dynCallLegacy", "getDynCaller", "dynCall", "asmjsMangle", "getNativeTypeSize", "addOnInit", "addOnPostCtor", "addOnPreMain", "addOnExit", "STACK_SIZE", "STACK_ALIGN", "POINTER_SIZE", "ASSERTIONS", "reallyNegative", "unSign", "strLen", "reSign", "formatString", "intArrayToString", "AsciiToString", "registerKeyEventCallback", "findEventTarget", "getBoundingClientRect", "fillMouseEventData", "registerMouseEventCallback", "registerWheelEventCallback", "registerUiEventCallback", "registerFocusEventCallback", "fillDeviceOrientationEventData", "registerDeviceOrientationEventCallback", "fillDeviceMotionEventData", "registerDeviceMotionEventCallback", "screenOrientation", "fillOrientationChangeEventData", "registerOrientationChangeEventCallback", "fillFullscreenChangeEventData", "registerFullscreenChangeEventCallback", "JSEvents_requestFullscreen", "JSEvents_resizeCanvasForFullscreen", "registerRestoreOldStyle", "hideEverythingExceptGivenElement", "restoreHiddenElements", "setLetterbox", "softFullscreenResizeWebGLRenderTarget", "doRequestFullscreen", "fillPointerlockChangeEventData", "registerPointerlockChangeEventCallback", "registerPointerlockErrorEventCallback", "requestPointerLock", "fillVisibilityChangeEventData", "registerVisibilityChangeEventCallback", "registerTouchEventCallback", "fillGamepadEventData", "registerGamepadEventCallback", "registerBeforeUnloadEventCallback", "fillBatteryEventData", "battery", "registerBatteryEventCallback", "setCanvasElementSize", "getCanvasSizeCallingThread", "getCanvasSizeMainThread", "getCanvasElementSize", "jsStackTrace", "getCallstack", "convertPCtoSourceLocation", "wasiRightsToMuslOFlags", "wasiOFlagsToMuslOFlags", "safeSetTimeout", "setImmediateWrapped", "safeRequestAnimationFrame", "clearImmediateWrapped", "registerPostMainLoop", "getPromise", "makePromise", "idsToPromises", "makePromiseCallback", "findMatchingCatch", "Browser_asyncPrepareDataCounter", "arraySum", "addDays", "getSocketFromFD", "getSocketAddress", "FS_mkdirTree", "_setNetworkCallback", "emscriptenWebGLGet", "emscriptenWebGLGetUniform", "emscriptenWebGLGetVertexAttrib", "__glGetActiveAttribOrUniform", "writeGLArray", "emscripten_webgl_destroy_context_before_on_calling_thread", "registerWebGlEventCallback", "GLFW_Window", "emscriptenWebGLGetIndexed", "ALLOC_NORMAL", "ALLOC_STACK", "allocate", "writeStringToMemory", "writeAsciiToMemory", "demangle", "stackTrace", "throwInternalError", "whenDependentTypesAreResolved", "getTypeName", "getFunctionName", "getFunctionArgsName", "heap32VectorToArray", "requireRegisteredType", "usesDestructorStack", "createJsInvokerSignature", "checkArgCount", "getRequiredArgCount", "createJsInvoker", "UnboundTypeError", "PureVirtualError", "throwUnboundTypeError", "ensureOverloadTable", "exposePublicSymbol", "replacePublicSymbol", "createNamedFunction", "getBasestPointer", "registerInheritedInstance", "unregisterInheritedInstance", "getInheritedInstance", "getInheritedInstanceCount", "getLiveInheritedInstances", "enumReadValueFromPointer", "runDestructors", "craftInvokerFunction", "embind__requireFunction", "genericPointerToWireType", "constNoSmartPtrRawPointerToWireType", "nonConstNoSmartPtrRawPointerToWireType", "init_RegisteredPointer", "RegisteredPointer", "RegisteredPointer_fromWireType", "runDestructor", "releaseClassHandle", "detachFinalizer", "attachFinalizer", "makeClassHandle", "init_ClassHandle", "ClassHandle", "throwInstanceAlreadyDeleted", "flushPendingDeletes", "setDelayFunction", "RegisteredClass", "shallowCopyInternalPointer", "downcastPointer", "upcastPointer", "validateThis", "char_0", "char_9", "makeLegalFunctionName", "getStringOrSymbol", "emval_get_global", "emval_returnValue", "emval_lookupTypes", "emval_addMethodCaller" ];
|
|
|
|
missingLibrarySymbols.forEach(missingLibrarySymbol);
|
|
|
|
var unexportedSymbols = [ "run", "out", "err", "callMain", "abort", "wasmMemory", "wasmExports", "GROWABLE_HEAP_I8", "GROWABLE_HEAP_U8", "GROWABLE_HEAP_I16", "GROWABLE_HEAP_U16", "GROWABLE_HEAP_I32", "GROWABLE_HEAP_U32", "GROWABLE_HEAP_F32", "GROWABLE_HEAP_F64", "writeStackCookie", "checkStackCookie", "writeI53ToI64", "readI53FromI64", "readI53FromU64", "INT53_MAX", "INT53_MIN", "bigintToI53Checked", "stackSave", "stackRestore", "stackAlloc", "ptrToString", "zeroMemory", "exitJS", "getHeapMax", "growMemory", "ENV", "setStackLimits", "ERRNO_CODES", "strError", "DNS", "Protocols", "Sockets", "timers", "warnOnce", "readEmAsmArgsArray", "readEmAsmArgs", "runEmAsmFunction", "jstoi_q", "jstoi_s", "getExecutableName", "handleException", "keepRuntimeAlive", "runtimeKeepalivePush", "runtimeKeepalivePop", "callUserCallback", "maybeExit", "asyncLoad", "alignMemory", "mmapAlloc", "HandleAllocator", "wasmTable", "noExitRuntime", "addOnPreRun", "addOnPostRun", "getCFunc", "uleb128Encode", "sigToWasmTypes", "generateFuncType", "convertJsFunctionToWasm", "freeTableIndexes", "functionsInTableMap", "getEmptyTableSlot", "updateTableMap", "getFunctionAddress", "setValue", "getValue", "PATH", "PATH_FS", "UTF8Decoder", "UTF8ArrayToString", "stringToUTF8Array", "lengthBytesUTF8", "intArrayFromString", "stringToAscii", "UTF16Decoder", "UTF16ToString", "stringToUTF16", "lengthBytesUTF16", "UTF32ToString", "stringToUTF32", "lengthBytesUTF32", "stringToNewUTF8", "stringToUTF8OnStack", "writeArrayToMemory", "JSEvents", "specialHTMLTargets", "maybeCStringToJsString", "findCanvasEventTarget", "currentFullscreenStrategy", "restoreOldWindowedStyle", "setCanvasElementSizeCallingThread", "setOffscreenCanvasSizeOnTargetThread", "setCanvasElementSizeMainThread", "UNWIND_CACHE", "ExitStatus", "getEnvStrings", "checkWasiClock", "doReadv", "doWritev", "initRandomFill", "randomFill", "emSetImmediate", "emClearImmediate_deps", "emClearImmediate", "registerPreMainLoop", "promiseMap", "uncaughtExceptionCount", "exceptionLast", "exceptionCaught", "ExceptionInfo", "Browser", "getPreloadedImageData__data", "wget", "MONTH_DAYS_REGULAR", "MONTH_DAYS_LEAP", "MONTH_DAYS_REGULAR_CUMULATIVE", "MONTH_DAYS_LEAP_CUMULATIVE", "isLeapYear", "ydayFromDate", "SYSCALLS", "preloadPlugins", "FS_modeStringToFlags", "FS_getMode", "FS_stdin_getChar_buffer", "FS_stdin_getChar", "FS_readFile", "MEMFS", "TTY", "PIPEFS", "SOCKFS", "tempFixedLengthArray", "miniTempWebGLFloatBuffers", "miniTempWebGLIntBuffers", "heapObjectForWebGLType", "toTypedArrayIndex", "webgl_enable_ANGLE_instanced_arrays", "webgl_enable_OES_vertex_array_object", "webgl_enable_WEBGL_draw_buffers", "webgl_enable_WEBGL_multi_draw", "webgl_enable_EXT_polygon_offset_clamp", "webgl_enable_EXT_clip_control", "webgl_enable_WEBGL_polygon_mode", "GL", "computeUnpackAlignedImageSize", "colorChannelsInGlTextureFormat", "emscriptenWebGLGetTexPixelData", "webglGetUniformLocation", "webglPrepareUniformLocationsBeforeFirstUse", "webglGetLeftBracePos", "AL", "GLUT", "EGL", "GLEW", "IDBStore", "runAndAbortIfError", "Asyncify", "Fibers", "SDL", "SDL_gfx", "GLFW", "webgl_enable_WEBGL_draw_instanced_base_vertex_base_instance", "webgl_enable_WEBGL_multi_draw_instanced_base_vertex_base_instance", "allocateUTF8OnStack", "print", "printErr", "PThread", "terminateWorker", "cleanupThread", "registerTLSInit", "spawnThread", "exitOnMainThread", "proxyToMainThread", "proxiedJSCallArgs", "invokeEntryPoint", "checkMailbox", "InternalError", "BindingError", "throwBindingError", "registeredTypes", "awaitingDependencies", "typeDependencies", "tupleRegistrations", "structRegistrations", "sharedRegisterType", "embind_charCodes", "embind_init_charCodes", "readLatin1String", "GenericWireTypeSize", "EmValType", "EmValOptionalType", "embindRepr", "registeredInstances", "registeredPointers", "registerType", "integerReadValueFromPointer", "floatReadValueFromPointer", "readPointer", "finalizationRegistry", "detachFinalizer_deps", "deletionQueue", "delayFunction", "emval_freelist", "emval_handles", "emval_symbols", "init_emval", "count_emval_handles", "Emval", "emval_methodCallers", "reflectConstruct", "Fetch", "fetchDeleteCachedData", "fetchLoadCachedData", "fetchCacheData", "fetchXHR" ];
|
|
|
|
unexportedSymbols.forEach(unexportedRuntimeSymbol);
|
|
|
|
var calledRun;
|
|
|
|
function callMain() {
|
|
assert(runDependencies == 0, 'cannot call main when async dependencies remain! (listen on Module["onRuntimeInitialized"])');
|
|
assert(typeof onPreRuns === "undefined" || onPreRuns.length == 0, "cannot call main when preRun functions remain to be called");
|
|
var entryFunction = __emscripten_proxy_main;
|
|
// With PROXY_TO_PTHREAD make sure we keep the runtime alive until the
|
|
// proxied main calls exit (see exitOnMainThread() for where Pop is called).
|
|
runtimeKeepalivePush();
|
|
var argc = 0;
|
|
var argv = 0;
|
|
try {
|
|
var ret = entryFunction(argc, argv);
|
|
// if we're not running an evented main loop, it's time to exit
|
|
exitJS(ret, /* implicit = */ true);
|
|
return ret;
|
|
} catch (e) {
|
|
return handleException(e);
|
|
}
|
|
}
|
|
|
|
function stackCheckInit() {
|
|
// This is normally called automatically during __wasm_call_ctors but need to
|
|
// get these values before even running any of the ctors so we call it redundantly
|
|
// here.
|
|
// See $establishStackSpace for the equivalent code that runs on a thread
|
|
assert(!ENVIRONMENT_IS_PTHREAD);
|
|
_emscripten_stack_init();
|
|
// TODO(sbc): Move writeStackCookie to native to to avoid this.
|
|
writeStackCookie();
|
|
}
|
|
|
|
function run() {
|
|
if (runDependencies > 0) {
|
|
dependenciesFulfilled = run;
|
|
return;
|
|
}
|
|
if ((ENVIRONMENT_IS_PTHREAD)) {
|
|
readyPromiseResolve(Module);
|
|
initRuntime();
|
|
return;
|
|
}
|
|
stackCheckInit();
|
|
preRun();
|
|
// a preRun added a dependency, run will be called later
|
|
if (runDependencies > 0) {
|
|
dependenciesFulfilled = run;
|
|
return;
|
|
}
|
|
function doRun() {
|
|
// run may have just been called through dependencies being fulfilled just in this very frame,
|
|
// or while the async setStatus time below was happening
|
|
assert(!calledRun);
|
|
calledRun = true;
|
|
Module["calledRun"] = true;
|
|
if (ABORT) return;
|
|
initRuntime();
|
|
preMain();
|
|
readyPromiseResolve(Module);
|
|
Module["onRuntimeInitialized"]?.();
|
|
consumedModuleProp("onRuntimeInitialized");
|
|
var noInitialRun = Module["noInitialRun"];
|
|
legacyModuleProp("noInitialRun", "noInitialRun");
|
|
if (!noInitialRun) callMain();
|
|
postRun();
|
|
}
|
|
if (Module["setStatus"]) {
|
|
Module["setStatus"]("Running...");
|
|
setTimeout(() => {
|
|
setTimeout(() => Module["setStatus"](""), 1);
|
|
doRun();
|
|
}, 1);
|
|
} else {
|
|
doRun();
|
|
}
|
|
checkStackCookie();
|
|
}
|
|
|
|
function checkUnflushedContent() {
|
|
// Compiler settings do not allow exiting the runtime, so flushing
|
|
// the streams is not possible. but in ASSERTIONS mode we check
|
|
// if there was something to flush, and if so tell the user they
|
|
// should request that the runtime be exitable.
|
|
// Normally we would not even include flush() at all, but in ASSERTIONS
|
|
// builds we do so just for this check, and here we see if there is any
|
|
// content to flush, that is, we check if there would have been
|
|
// something a non-ASSERTIONS build would have not seen.
|
|
// How we flush the streams depends on whether we are in SYSCALLS_REQUIRE_FILESYSTEM=0
|
|
// mode (which has its own special function for this; otherwise, all
|
|
// the code is inside libc)
|
|
var oldOut = out;
|
|
var oldErr = err;
|
|
var has = false;
|
|
out = err = x => {
|
|
has = true;
|
|
};
|
|
try {
|
|
// it doesn't matter if it fails
|
|
_fflush(0);
|
|
// also flush in the JS FS layer
|
|
[ "stdout", "stderr" ].forEach(name => {
|
|
var info = FS.analyzePath("/dev/" + name);
|
|
if (!info) return;
|
|
var stream = info.object;
|
|
var rdev = stream.rdev;
|
|
var tty = TTY.ttys[rdev];
|
|
if (tty?.output?.length) {
|
|
has = true;
|
|
}
|
|
});
|
|
} catch (e) {}
|
|
out = oldOut;
|
|
err = oldErr;
|
|
if (has) {
|
|
warnOnce("stdio streams had content in them that was not flushed. you should set EXIT_RUNTIME to 1 (see the Emscripten FAQ), or make sure to emit a newline when you printf etc.");
|
|
}
|
|
}
|
|
|
|
if (Module["preInit"]) {
|
|
if (typeof Module["preInit"] == "function") Module["preInit"] = [ Module["preInit"] ];
|
|
while (Module["preInit"].length > 0) {
|
|
Module["preInit"].pop()();
|
|
}
|
|
}
|
|
|
|
consumedModuleProp("preInit");
|
|
|
|
run();
|
|
|
|
// end include: postamble.js
|
|
// include: postamble_modularize.js
|
|
// In MODULARIZE mode we wrap the generated code in a factory function
|
|
// and return either the Module itself, or a promise of the module.
|
|
// We assign to the `moduleRtn` global here and configure closure to see
|
|
// this as and extern so it won't get minified.
|
|
moduleRtn = readyPromise;
|
|
|
|
// Assertion for attempting to access module properties on the incoming
|
|
// moduleArg. In the past we used this object as the prototype of the module
|
|
// and assigned properties to it, but now we return a distinct object. This
|
|
// keeps the instance private until it is ready (i.e the promise has been
|
|
// resolved).
|
|
for (const prop of Object.keys(Module)) {
|
|
if (!(prop in moduleArg)) {
|
|
Object.defineProperty(moduleArg, prop, {
|
|
configurable: true,
|
|
get() {
|
|
abort(`Access to module property ('${prop}') is no longer possible via the module constructor argument; Instead, use the result of the module constructor.`);
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
|
|
return moduleRtn;
|
|
}
|
|
);
|
|
})();
|
|
if (typeof exports === 'object' && typeof module === 'object') {
|
|
module.exports = WasmModule;
|
|
// This default export looks redundant, but it allows TS to import this
|
|
// commonjs style module.
|
|
module.exports.default = WasmModule;
|
|
} else if (typeof define === 'function' && define['amd'])
|
|
define([], () => WasmModule);
|
|
var isPthread = globalThis.self?.name?.startsWith('em-pthread');
|
|
// When running as a pthread, construct a new instance on startup
|
|
isPthread && WasmModule();
|