diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
index 558e78720..f6b7f7771 100644
--- a/src/main/resources/application.yml
+++ b/src/main/resources/application.yml
@@ -5,4 +5,4 @@ spring:
virtual:
enabled: true
profiles:
- active: dev
+ active: 274-dev
diff --git a/web/public/index.html b/web/public/index.html
index 6b89ee4aa..5825d0f3c 100644
--- a/web/public/index.html
+++ b/web/public/index.html
@@ -11,8 +11,8 @@
-
-
+
+
diff --git a/web/public/static/js/h265web2/extjs.js b/web/public/static/js/h265web2/extjs.js
new file mode 100644
index 000000000..c0a6bbb47
--- /dev/null
+++ b/web/public/static/js/h265web2/extjs.js
@@ -0,0 +1,17 @@
+
+
+
+
+
+ 503 Backend.max_conn reached
+
+
+ Error 503 Backend.max_conn reached
+ Backend.max_conn reached
+ Error 54113
+ Details: cache-hkg17935-HKG 1774949106 3569844636
+
+ Varnish cache server
+
+
diff --git a/web/public/static/js/h265web2/extwasm.js b/web/public/static/js/h265web2/extwasm.js
new file mode 100644
index 000000000..b0a677c7a
--- /dev/null
+++ b/web/public/static/js/h265web2/extwasm.js
@@ -0,0 +1,17 @@
+
+
+
+
+
+ 503 Backend.max_conn reached
+
+
+ Error 503 Backend.max_conn reached
+ Backend.max_conn reached
+ Error 54113
+ Details: cache-hkg17921-HKG 1774949114 1797962780
+
+ Varnish cache server
+
+
diff --git a/web/public/static/js/h265web2/extwasm.wasm b/web/public/static/js/h265web2/extwasm.wasm
new file mode 100644
index 000000000..386859188
Binary files /dev/null and b/web/public/static/js/h265web2/extwasm.wasm differ
diff --git a/web/public/static/js/h265web2/h265web.js b/web/public/static/js/h265web2/h265web.js
new file mode 100644
index 000000000..b1b1295ea
--- /dev/null
+++ b/web/public/static/js/h265web2/h265web.js
@@ -0,0 +1,17 @@
+
+
+
+
+
+ 503 Backend.max_conn reached
+
+
+ Error 503 Backend.max_conn reached
+ Backend.max_conn reached
+ Error 54113
+ Details: cache-hkg17923-HKG 1774949130 1280024682
+
+ Varnish cache server
+
+
diff --git a/web/public/static/js/h265web2/h265web_wasm.js b/web/public/static/js/h265web2/h265web_wasm.js
new file mode 100644
index 000000000..8e8c1b528
--- /dev/null
+++ b/web/public/static/js/h265web2/h265web_wasm.js
@@ -0,0 +1,8969 @@
+var WasmModule = (() => {
+ var _scriptName = typeof document != 'undefined' ? document.currentScript?.src : undefined;
+
+ return (
+async function(moduleArg = {}) {
+ var moduleRtn;
+
+// include: shell.js
+// The Module object: Our interface to the outside world. We import
+// and export values on it. There are various ways Module can be used:
+// 1. Not defined. We create it here
+// 2. A function parameter, function(moduleArg) => Promise
+// 3. pre-run appended it, var Module = {}; ..generated code..
+// 4. External script tag defines var Module.
+// We need to check if Module already exists (e.g. case 3 above).
+// Substitution will be replaced with actual code on later stage of the build,
+// this way Closure Compiler will not mangle it (e.g. case 4. above).
+// Note that if you want to run closure, and also to use Module
+// after the generated code, you will need to define var Module = {};
+// before the code. Then that object will be used in the code, and you
+// can continue to use Module afterwards as well.
+var Module = moduleArg;
+
+// Set up the promise that indicates the Module is initialized
+var readyPromiseResolve, readyPromiseReject;
+
+var readyPromise = new Promise((resolve, reject) => {
+ readyPromiseResolve = resolve;
+ readyPromiseReject = reject;
+});
+
+// Determine the runtime environment we are in. You can customize this by
+// setting the ENVIRONMENT setting at compile time (see settings.js).
+// Attempt to auto-detect the environment
+var ENVIRONMENT_IS_WEB = typeof window == "object";
+
+var ENVIRONMENT_IS_WORKER = typeof WorkerGlobalScope != "undefined";
+
+// N.b. Electron.js environment is simultaneously a NODE-environment, but
+// also a web environment.
+var ENVIRONMENT_IS_NODE = typeof process == "object" && typeof process.versions == "object" && typeof process.versions.node == "string" && process.type != "renderer";
+
+var ENVIRONMENT_IS_SHELL = !ENVIRONMENT_IS_WEB && !ENVIRONMENT_IS_NODE && !ENVIRONMENT_IS_WORKER;
+
+// Three configurations we can be running in:
+// 1) We could be the application main() thread running in the main JS UI thread. (ENVIRONMENT_IS_WORKER == false and ENVIRONMENT_IS_PTHREAD == false)
+// 2) We could be the application main() thread proxied to worker. (with Emscripten -sPROXY_TO_WORKER) (ENVIRONMENT_IS_WORKER == true, ENVIRONMENT_IS_PTHREAD == false)
+// 3) We could be an application pthread running in a worker. (ENVIRONMENT_IS_WORKER == true and ENVIRONMENT_IS_PTHREAD == true)
+// The way we signal to a worker that it is hosting a pthread is to construct
+// it with a specific name.
+var ENVIRONMENT_IS_PTHREAD = ENVIRONMENT_IS_WORKER && self.name?.startsWith("em-pthread");
+
+if (ENVIRONMENT_IS_PTHREAD) {
+ assert(!globalThis.moduleLoaded, "module should only be loaded once on each pthread worker");
+ globalThis.moduleLoaded = true;
+}
+
+// --pre-jses are emitted after the Module integration code, so that they can
+// refer to Module (if they choose; they can also define Module)
+// Sometimes an existing Module object exists with properties
+// meant to overwrite the default module functionality. Here
+// we collect those properties and reapply _after_ we configure
+// the current environment's defaults to avoid having to be so
+// defensive during initialization.
+var moduleOverrides = {
+ ...Module
+};
+
+var arguments_ = [];
+
+var thisProgram = "./this.program";
+
+var quit_ = (status, toThrow) => {
+ throw toThrow;
+};
+
+// `/` should be present at the end if `scriptDirectory` is not empty
+var scriptDirectory = "";
+
+function locateFile(path) {
+ if (Module["locateFile"]) {
+ return Module["locateFile"](path, scriptDirectory);
+ }
+ return scriptDirectory + path;
+}
+
+// Hooks that are implemented differently in different runtime environments.
+var readAsync, readBinary;
+
+if (ENVIRONMENT_IS_SHELL) {
+ 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?)");
+} else // Note that this includes Node.js workers when relevant (pthreads is enabled).
+// Node.js workers are detected as a combination of ENVIRONMENT_IS_WORKER and
+// ENVIRONMENT_IS_NODE.
+if (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) {
+ if (ENVIRONMENT_IS_WORKER) {
+ // Check worker, not web, since window could be polyfilled
+ scriptDirectory = self.location.href;
+ } else if (typeof document != "undefined" && document.currentScript) {
+ // web
+ scriptDirectory = document.currentScript.src;
+ }
+ // When MODULARIZE, this JS may be executed later, after document.currentScript
+ // is gone, so we saved it, and we use it here instead of any other info.
+ if (_scriptName) {
+ scriptDirectory = _scriptName;
+ }
+ // blob urls look like blob:http://site.com/etc/etc and we cannot infer anything from them.
+ // otherwise, slice off the final part of the url to find the script directory.
+ // if scriptDirectory does not contain a slash, lastIndexOf will return -1,
+ // and scriptDirectory will correctly be replaced with an empty string.
+ // If scriptDirectory contains a query (starting with ?) or a fragment (starting with #),
+ // they are removed because they could contain a slash.
+ if (scriptDirectory.startsWith("blob:")) {
+ scriptDirectory = "";
+ } else {
+ scriptDirectory = scriptDirectory.slice(0, scriptDirectory.replace(/[?#].*/, "").lastIndexOf("/") + 1);
+ }
+ 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?)");
+ {
+ // include: web_or_worker_shell_read.js
+ if (ENVIRONMENT_IS_WORKER) {
+ readBinary = url => {
+ var xhr = new XMLHttpRequest;
+ xhr.open("GET", url, false);
+ xhr.responseType = "arraybuffer";
+ xhr.send(null);
+ return new Uint8Array(/** @type{!ArrayBuffer} */ (xhr.response));
+ };
+ }
+ readAsync = async url => {
+ assert(!isFileURI(url), "readAsync does not work with file:// URLs");
+ var response = await fetch(url, {
+ credentials: "same-origin"
+ });
+ if (response.ok) {
+ return response.arrayBuffer();
+ }
+ throw new Error(response.status + " : " + response.url);
+ };
+ }
+} else {
+ throw new Error("environment detection error");
+}
+
+var out = Module["print"] || console.log.bind(console);
+
+var err = Module["printErr"] || console.error.bind(console);
+
+// Merge back in the overrides
+Object.assign(Module, moduleOverrides);
+
+// Free the object hierarchy contained in the overrides, this lets the GC
+// reclaim data used.
+moduleOverrides = null;
+
+checkIncomingModuleAPI();
+
+// Emit code to handle expected values on the Module object. This applies Module.x
+// to the proper local x. This has two benefits: first, we only emit it if it is
+// expected to arrive, and second, by using a local everywhere else that can be
+// minified.
+if (Module["arguments"]) arguments_ = Module["arguments"];
+
+legacyModuleProp("arguments", "arguments_");
+
+if (Module["thisProgram"]) thisProgram = Module["thisProgram"];
+
+legacyModuleProp("thisProgram", "thisProgram");
+
+// perform assertions in shell.js after we set up out() and err(), as otherwise if an assertion fails it cannot print the message
+// Assertions on removed incoming Module JS APIs.
+assert(typeof Module["memoryInitializerPrefixURL"] == "undefined", "Module.memoryInitializerPrefixURL option was removed, use Module.locateFile instead");
+
+assert(typeof Module["pthreadMainPrefixURL"] == "undefined", "Module.pthreadMainPrefixURL option was removed, use Module.locateFile instead");
+
+assert(typeof Module["cdInitializerPrefixURL"] == "undefined", "Module.cdInitializerPrefixURL option was removed, use Module.locateFile instead");
+
+assert(typeof Module["filePackagePrefixURL"] == "undefined", "Module.filePackagePrefixURL option was removed, use Module.locateFile instead");
+
+assert(typeof Module["read"] == "undefined", "Module.read option was removed");
+
+assert(typeof Module["readAsync"] == "undefined", "Module.readAsync option was removed (modify readAsync in JS)");
+
+assert(typeof Module["readBinary"] == "undefined", "Module.readBinary option was removed (modify readBinary in JS)");
+
+assert(typeof Module["setWindowTitle"] == "undefined", "Module.setWindowTitle option was removed (modify emscripten_set_window_title in JS)");
+
+assert(typeof Module["TOTAL_MEMORY"] == "undefined", "Module.TOTAL_MEMORY has been renamed Module.INITIAL_MEMORY");
+
+legacyModuleProp("asm", "wasmExports");
+
+legacyModuleProp("readAsync", "readAsync");
+
+legacyModuleProp("readBinary", "readBinary");
+
+legacyModuleProp("setWindowTitle", "setWindowTitle");
+
+var IDBFS = "IDBFS is no longer included by default; build with -lidbfs.js";
+
+var PROXYFS = "PROXYFS is no longer included by default; build with -lproxyfs.js";
+
+var WORKERFS = "WORKERFS is no longer included by default; build with -lworkerfs.js";
+
+var FETCHFS = "FETCHFS is no longer included by default; build with -lfetchfs.js";
+
+var ICASEFS = "ICASEFS is no longer included by default; build with -licasefs.js";
+
+var JSFILEFS = "JSFILEFS is no longer included by default; build with -ljsfilefs.js";
+
+var OPFS = "OPFS is no longer included by default; build with -lopfs.js";
+
+var NODEFS = "NODEFS is no longer included by default; build with -lnodefs.js";
+
+assert(ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER || ENVIRONMENT_IS_NODE, "Pthreads do not work in this environment yet (need Web Workers, or an alternative to them)");
+
+assert(!ENVIRONMENT_IS_NODE, "node environment detected but not enabled at build time. Add `node` to `-sENVIRONMENT` to enable.");
+
+assert(!ENVIRONMENT_IS_SHELL, "shell environment detected but not enabled at build time. Add `shell` to `-sENVIRONMENT` to enable.");
+
+// end include: shell.js
+// include: preamble.js
+// === Preamble library stuff ===
+// Documentation for the public APIs defined in this file must be updated in:
+// site/source/docs/api_reference/preamble.js.rst
+// A prebuilt local version of the documentation is available at:
+// site/build/text/docs/api_reference/preamble.js.txt
+// You can also build docs locally as HTML or other formats in site/
+// An online HTML version (which may be of a different version of Emscripten)
+// is up at http://kripken.github.io/emscripten-site/docs/api_reference/preamble.js.html
+var wasmBinary = Module["wasmBinary"];
+
+legacyModuleProp("wasmBinary", "wasmBinary");
+
+if (typeof WebAssembly != "object") {
+ err("no native wasm support detected");
+}
+
+// Wasm globals
+var wasmMemory;
+
+// For sending to workers.
+var wasmModule;
+
+//========================================
+// Runtime essentials
+//========================================
+// whether we are quitting the application. no code should run after this.
+// set in exit() and abort()
+var ABORT = false;
+
+// set by exit() and abort(). Passed to 'onExit' handler.
+// NOTE: This is also used as the process return code code in shell environments
+// but only when noExitRuntime is false.
+var EXITSTATUS;
+
+// In STRICT mode, we only define assert() when ASSERTIONS is set. i.e. we
+// don't define it at all in release modes. This matches the behaviour of
+// MINIMAL_RUNTIME.
+// TODO(sbc): Make this the default even without STRICT enabled.
+/** @type {function(*, string=)} */ function assert(condition, text) {
+ if (!condition) {
+ abort("Assertion failed" + (text ? ": " + text : ""));
+ }
+}
+
+// We used to include malloc/free by default in the past. Show a helpful error in
+// builds with assertions.
+// Memory management
+var HEAP, /** @type {!Int8Array} */ HEAP8, /** @type {!Uint8Array} */ HEAPU8, /** @type {!Int16Array} */ HEAP16, /** @type {!Uint16Array} */ HEAPU16, /** @type {!Int32Array} */ HEAP32, /** @type {!Uint32Array} */ HEAPU32, /** @type {!Float32Array} */ HEAPF32, /* BigInt64Array type is not correctly defined in closure
+/** not-@type {!BigInt64Array} */ HEAP64, /* BigUint64Array type is not correctly defined in closure
+/** not-t@type {!BigUint64Array} */ HEAPU64, /** @type {!Float64Array} */ HEAPF64;
+
+var runtimeInitialized = false;
+
+/**
+ * Indicates whether filename is delivered via file protocol (as opposed to http/https)
+ * @noinline
+ */ var isFileURI = filename => filename.startsWith("file://");
+
+// include: runtime_shared.js
+// include: runtime_stack_check.js
+// Initializes the stack cookie. Called at the startup of main and at the startup of each thread in pthreads mode.
+function writeStackCookie() {
+ var max = _emscripten_stack_get_end();
+ assert((max & 3) == 0);
+ // If the stack ends at address zero we write our cookies 4 bytes into the
+ // stack. This prevents interference with SAFE_HEAP and ASAN which also
+ // monitor writes to address zero.
+ if (max == 0) {
+ max += 4;
+ }
+ // The stack grow downwards towards _emscripten_stack_get_end.
+ // We write cookies to the final two words in the stack and detect if they are
+ // ever overwritten.
+ GROWABLE_HEAP_U32()[((max) >> 2)] = 34821223;
+ GROWABLE_HEAP_U32()[(((max) + (4)) >> 2)] = 2310721022;
+ // Also test the global address 0 for integrity.
+ GROWABLE_HEAP_U32()[((0) >> 2)] = 1668509029;
+}
+
+function checkStackCookie() {
+ if (ABORT) return;
+ var max = _emscripten_stack_get_end();
+ // See writeStackCookie().
+ if (max == 0) {
+ max += 4;
+ }
+ var cookie1 = GROWABLE_HEAP_U32()[((max) >> 2)];
+ var cookie2 = GROWABLE_HEAP_U32()[(((max) + (4)) >> 2)];
+ if (cookie1 != 34821223 || cookie2 != 2310721022) {
+ abort(`Stack overflow! Stack cookie has been overwritten at ${ptrToString(max)}, expected hex dwords 0x89BACDFE and 0x2135467, but received ${ptrToString(cookie2)} ${ptrToString(cookie1)}`);
+ }
+ // Also test the global address 0 for integrity.
+ if (GROWABLE_HEAP_U32()[((0) >> 2)] != 1668509029) {
+ abort("Runtime error: The application has corrupted its heap memory area (address zero)!");
+ }
+}
+
+// end include: runtime_stack_check.js
+// include: runtime_exceptions.js
+// end include: runtime_exceptions.js
+// include: runtime_debug.js
+// Endianness check
+(() => {
+ var h16 = new Int16Array(1);
+ var h8 = new Int8Array(h16.buffer);
+ h16[0] = 25459;
+ if (h8[0] !== 115 || h8[1] !== 99) throw "Runtime error: expected the system to be little-endian! (Run with -sSUPPORT_BIG_ENDIAN to bypass)";
+})();
+
+if (Module["ENVIRONMENT"]) {
+ throw new Error("Module.ENVIRONMENT has been deprecated. To force the environment, use the ENVIRONMENT compile-time option (for example, -sENVIRONMENT=web or -sENVIRONMENT=node)");
+}
+
+function legacyModuleProp(prop, newName, incoming = true) {
+ if (!Object.getOwnPropertyDescriptor(Module, prop)) {
+ Object.defineProperty(Module, prop, {
+ configurable: true,
+ get() {
+ let extra = incoming ? " (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)" : "";
+ abort(`\`Module.${prop}\` has been replaced by \`${newName}\`` + extra);
+ }
+ });
+ }
+}
+
+function consumedModuleProp(prop) {
+ if (!Object.getOwnPropertyDescriptor(Module, prop)) {
+ Object.defineProperty(Module, prop, {
+ configurable: true,
+ set() {
+ abort(`Attempt to set \`Module.${prop}\` after it has already been processed. This can happen, for example, when code is injected via '--post-js' rather than '--pre-js'`);
+ }
+ });
+ }
+}
+
+function ignoredModuleProp(prop) {
+ if (Object.getOwnPropertyDescriptor(Module, prop)) {
+ abort(`\`Module.${prop}\` was supplied but \`${prop}\` not included in INCOMING_MODULE_JS_API`);
+ }
+}
+
+// forcing the filesystem exports a few things by default
+function isExportedByForceFilesystem(name) {
+ return name === "FS_createPath" || name === "FS_createDataFile" || name === "FS_createPreloadedFile" || name === "FS_unlink" || name === "addRunDependency" || // The old FS has some functionality that WasmFS lacks.
+ name === "FS_createLazyFile" || name === "FS_createDevice" || name === "removeRunDependency";
+}
+
+/**
+ * Intercept access to a global symbol. This enables us to give informative
+ * warnings/errors when folks attempt to use symbols they did not include in
+ * their build, or no symbols that no longer exist.
+ */ function hookGlobalSymbolAccess(sym, func) {}
+
+function missingGlobal(sym, msg) {
+ hookGlobalSymbolAccess(sym, () => {
+ warnOnce(`\`${sym}\` is not longer defined by emscripten. ${msg}`);
+ });
+}
+
+missingGlobal("buffer", "Please use HEAP8.buffer or wasmMemory.buffer");
+
+missingGlobal("asm", "Please use wasmExports instead");
+
+function missingLibrarySymbol(sym) {
+ hookGlobalSymbolAccess(sym, () => {
+ // Can't `abort()` here because it would break code that does runtime
+ // checks. e.g. `if (typeof SDL === 'undefined')`.
+ var msg = `\`${sym}\` is a library symbol and not included by default; add it to your library.js __deps or to DEFAULT_LIBRARY_FUNCS_TO_INCLUDE on the command line`;
+ // DEFAULT_LIBRARY_FUNCS_TO_INCLUDE requires the name as it appears in
+ // library.js, which means $name for a JS name with no prefix, or name
+ // for a JS name like _name.
+ var librarySymbol = sym;
+ if (!librarySymbol.startsWith("_")) {
+ librarySymbol = "$" + sym;
+ }
+ msg += ` (e.g. -sDEFAULT_LIBRARY_FUNCS_TO_INCLUDE='${librarySymbol}')`;
+ if (isExportedByForceFilesystem(sym)) {
+ msg += ". Alternatively, forcing filesystem support (-sFORCE_FILESYSTEM) can export this for you";
+ }
+ warnOnce(msg);
+ });
+ // Any symbol that is not included from the JS library is also (by definition)
+ // not exported on the Module object.
+ unexportedRuntimeSymbol(sym);
+}
+
+function unexportedRuntimeSymbol(sym) {
+ if (ENVIRONMENT_IS_PTHREAD) {
+ return;
+ }
+ if (!Object.getOwnPropertyDescriptor(Module, sym)) {
+ Object.defineProperty(Module, sym, {
+ configurable: true,
+ get() {
+ var msg = `'${sym}' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the Emscripten FAQ)`;
+ if (isExportedByForceFilesystem(sym)) {
+ msg += ". Alternatively, forcing filesystem support (-sFORCE_FILESYSTEM) can export this for you";
+ }
+ abort(msg);
+ }
+ });
+ }
+}
+
+var runtimeDebug = true;
+
+// 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=");
+};
+
+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} */ (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} */ (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} */ (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();
diff --git a/web/public/static/js/h265web2/h265web_wasm.wasm b/web/public/static/js/h265web2/h265web_wasm.wasm
new file mode 100644
index 000000000..af7c7d63a
--- /dev/null
+++ b/web/public/static/js/h265web2/h265web_wasm.wasm
@@ -0,0 +1,17 @@
+
+
+
+
+
+ 503 Backend.max_conn reached
+
+
+ Error 503 Backend.max_conn reached
+ Backend.max_conn reached
+ Error 54113
+ Details: cache-hkg17932-HKG 1774949144 1743864036
+
+ Varnish cache server
+
+
diff --git a/web/src/views/common/h265web.vue b/web/src/views/common/h265web.vue
index cf7be7f8d..c3461c846 100644
--- a/web/src/views/common/h265web.vue
+++ b/web/src/views/common/h265web.vue
@@ -135,20 +135,36 @@ export default {
create(url) {
this.playerLoading = true
const options = {}
- h265webPlayer[this._uid] = new window.new265webjs(url, Object.assign(
- {
- player: 'glplayer', // 播放器容器id
- width: this.playerWidth,
- height: this.playerHeight,
- token: token,
- extInfo: {
- coreProbePart: 0.4,
- probeSize: 8192,
- ignoreAudio: this.hasAudio === null ? 0 : (this.hasAudio ? 0 : 1)
- }
- },
- options
- ))
+ h265webPlayer[this._uid] = H265webjsPlayer()
+ h265webPlayer[this._uid].build({
+ player_id: 'glplayer',
+ base_url: './output/',
+ wasm_js_uri: 'h265web_wasm.js',
+ wasm_wasm_uri: 'h265web_wasm.wasm',
+ ext_src_js_uri: 'extjs.js',
+ ext_wasm_js_uri: 'extwasm.js',
+ width: this.playerWidth,
+ height: this.playerHeight,
+ auto_play: true,
+ ignore_audio: false
+ })
+ h265webPlayer[this._uid].load_media('./resource/demo.mp4');
+
+
+ // h265webPlayer[this._uid] = new window.H265webjsPlayer(url, Object.assign(
+ // {
+ // player: 'glplayer', // 播放器容器id
+ // width: this.playerWidth,
+ // height: this.playerHeight,
+ // token: token,
+ // extInfo: {
+ // coreProbePart: 0.4,
+ // probeSize: 8192,
+ // ignoreAudio: this.hasAudio === null ? 0 : (this.hasAudio ? 0 : 1)
+ // }
+ // },
+ // options
+ // ))
const h265web = h265webPlayer[this._uid]
h265web.onOpenFullScreen = () => {
this.fullscreen = true