8845 lines
316 KiB
JavaScript
8845 lines
316 KiB
JavaScript
// This code implements the `-sMODULARIZE` settings by taking the generated
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// JS program code (INNER_JS_CODE) and wrapping it in a factory function.
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// Single threaded MINIMAL_RUNTIME programs do not need access to
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// document.currentScript, so a simple export declaration is enough.
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var ModuleFactory = (() => {
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// When MODULARIZE this JS may be executed later,
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// after document.currentScript is gone, so we save it.
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// In EXPORT_ES6 mode we can just use 'import.meta.url'.
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var _scriptName = globalThis.document?.currentScript?.src;
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return async function(moduleArg = {}) {
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var moduleRtn;
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// include: shell.js
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// include: minimum_runtime_check.js
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// end include: minimum_runtime_check.js
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// The Module object: Our interface to the outside world. We import
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// and export values on it. There are various ways Module can be used:
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// 1. Not defined. We create it here
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// 2. A function parameter, function(moduleArg) => Promise<Module>
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// 3. pre-run appended it, var Module = {}; ..generated code..
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// 4. External script tag defines var Module.
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// We need to check if Module already exists (e.g. case 3 above).
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// Substitution will be replaced with actual code on later stage of the build,
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// this way Closure Compiler will not mangle it (e.g. case 4. above).
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// Note that if you want to run closure, and also to use Module
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// after the generated code, you will need to define var Module = {};
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// before the code. Then that object will be used in the code, and you
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// can continue to use Module afterwards as well.
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var Module = moduleArg;
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// Determine the runtime environment we are in. You can customize this by
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// setting the ENVIRONMENT setting at compile time (see settings.js).
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// Attempt to auto-detect the environment
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var ENVIRONMENT_IS_WEB = !!globalThis.window;
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var ENVIRONMENT_IS_WORKER = !!globalThis.WorkerGlobalScope;
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// N.b. Electron.js environment is simultaneously a NODE-environment, but
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// also a web environment.
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var ENVIRONMENT_IS_NODE = globalThis.process?.versions?.node && globalThis.process?.type != "renderer";
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// --pre-jses are emitted after the Module integration code, so that they can
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// refer to Module (if they choose; they can also define Module)
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var arguments_ = [];
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var thisProgram = "./this.program";
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var quit_ = (status, toThrow) => {
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throw toThrow;
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};
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if (typeof __filename != "undefined") {
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// Node
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_scriptName = __filename;
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} else if (ENVIRONMENT_IS_WORKER) {
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_scriptName = self.location.href;
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}
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// `/` should be present at the end if `scriptDirectory` is not empty
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var scriptDirectory = "";
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function locateFile(path) {
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if (Module["locateFile"]) {
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return Module["locateFile"](path, scriptDirectory);
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}
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return scriptDirectory + path;
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}
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// Hooks that are implemented differently in different runtime environments.
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var readAsync, readBinary;
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if (ENVIRONMENT_IS_NODE) {
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// These modules will usually be used on Node.js. Load them eagerly to avoid
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// the complexity of lazy-loading.
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var fs = require("node:fs");
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scriptDirectory = __dirname + "/";
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// include: node_shell_read.js
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readBinary = filename => {
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// We need to re-wrap `file://` strings to URLs.
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filename = isFileURI(filename) ? new URL(filename) : filename;
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var ret = fs.readFileSync(filename);
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return ret;
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};
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readAsync = async (filename, binary = true) => {
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// See the comment in the `readBinary` function.
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filename = isFileURI(filename) ? new URL(filename) : filename;
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var ret = fs.readFileSync(filename, binary ? undefined : "utf8");
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return ret;
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};
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// end include: node_shell_read.js
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if (process.argv.length > 1) {
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thisProgram = process.argv[1].replace(/\\/g, "/");
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}
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arguments_ = process.argv.slice(2);
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quit_ = (status, toThrow) => {
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process.exitCode = status;
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throw toThrow;
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};
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} else // Note that this includes Node.js workers when relevant (pthreads is enabled).
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// Node.js workers are detected as a combination of ENVIRONMENT_IS_WORKER and
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// ENVIRONMENT_IS_NODE.
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if (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) {
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try {
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scriptDirectory = new URL(".", _scriptName).href;
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} catch {}
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{
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// include: web_or_worker_shell_read.js
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if (ENVIRONMENT_IS_WORKER) {
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readBinary = url => {
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var xhr = new XMLHttpRequest;
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xhr.open("GET", url, false);
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xhr.responseType = "arraybuffer";
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xhr.send(null);
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return new Uint8Array(/** @type{!ArrayBuffer} */ (xhr.response));
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};
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}
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readAsync = async url => {
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// Fetch has some additional restrictions over XHR, like it can't be used on a file:// url.
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// See https://github.com/github/fetch/pull/92#issuecomment-140665932
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// Cordova or Electron apps are typically loaded from a file:// url.
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// So use XHR on webview if URL is a file URL.
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if (isFileURI(url)) {
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return new Promise((resolve, reject) => {
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var xhr = new XMLHttpRequest;
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xhr.open("GET", url, true);
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xhr.responseType = "arraybuffer";
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xhr.onload = () => {
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if (xhr.status == 200 || (xhr.status == 0 && xhr.response)) {
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// file URLs can return 0
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resolve(xhr.response);
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return;
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}
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reject(xhr.status);
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};
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xhr.onerror = reject;
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xhr.send(null);
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});
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}
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var response = await fetch(url, {
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credentials: "same-origin"
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});
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if (response.ok) {
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return response.arrayBuffer();
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}
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throw new Error(response.status + " : " + response.url);
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};
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}
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} else {}
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var out = console.log.bind(console);
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var err = console.error.bind(console);
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// end include: shell.js
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// include: preamble.js
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// === Preamble library stuff ===
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// Documentation for the public APIs defined in this file must be updated in:
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// site/source/docs/api_reference/preamble.js.rst
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// A prebuilt local version of the documentation is available at:
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// site/build/text/docs/api_reference/preamble.js.txt
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// You can also build docs locally as HTML or other formats in site/
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// An online HTML version (which may be of a different version of Emscripten)
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// is up at http://kripken.github.io/emscripten-site/docs/api_reference/preamble.js.html
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var wasmBinary;
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// Wasm globals
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//========================================
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// Runtime essentials
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//========================================
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// whether we are quitting the application. no code should run after this.
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// set in exit() and abort()
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var ABORT = false;
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// set by exit() and abort(). Passed to 'onExit' handler.
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// NOTE: This is also used as the process return code in shell environments
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// but only when noExitRuntime is false.
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var EXITSTATUS;
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// In STRICT mode, we only define assert() when ASSERTIONS is set. i.e. we
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// don't define it at all in release modes. This matches the behaviour of
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// MINIMAL_RUNTIME.
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// TODO(sbc): Make this the default even without STRICT enabled.
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/** @type {function(*, string=)} */ function assert(condition, text) {
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if (!condition) {
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// This build was created without ASSERTIONS defined. `assert()` should not
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// ever be called in this configuration but in case there are callers in
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// the wild leave this simple abort() implementation here for now.
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abort(text);
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}
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}
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/**
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* Indicates whether filename is delivered via file protocol (as opposed to http/https)
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* @noinline
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*/ var isFileURI = filename => filename.startsWith("file://");
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// include: runtime_common.js
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// include: runtime_stack_check.js
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// end include: runtime_stack_check.js
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// include: runtime_exceptions.js
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// end include: runtime_exceptions.js
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// include: runtime_debug.js
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// end include: runtime_debug.js
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var readyPromiseResolve, readyPromiseReject;
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// Memory management
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var /** @type {!Int8Array} */ HEAP8, /** @type {!Uint8Array} */ HEAPU8, /** @type {!Int16Array} */ HEAP16, /** @type {!Uint16Array} */ HEAPU16, /** @type {!Int32Array} */ HEAP32, /** @type {!Uint32Array} */ HEAPU32, /** @type {!Float32Array} */ HEAPF32, /** @type {!Float64Array} */ HEAPF64;
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var runtimeInitialized = false;
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function updateMemoryViews() {
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var b = wasmMemory.buffer;
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HEAP8 = new Int8Array(b);
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HEAP16 = new Int16Array(b);
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Module["HEAPU8"] = HEAPU8 = new Uint8Array(b);
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HEAPU16 = new Uint16Array(b);
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HEAP32 = new Int32Array(b);
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Module["HEAPU32"] = HEAPU32 = new Uint32Array(b);
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Module["HEAPF32"] = HEAPF32 = new Float32Array(b);
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Module["HEAPF64"] = HEAPF64 = new Float64Array(b);
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}
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// include: memoryprofiler.js
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// end include: memoryprofiler.js
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// end include: runtime_common.js
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function preRun() {
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if (Module["preRun"]) {
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if (typeof Module["preRun"] == "function") Module["preRun"] = [ Module["preRun"] ];
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while (Module["preRun"].length) {
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addOnPreRun(Module["preRun"].shift());
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}
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}
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// Begin ATPRERUNS hooks
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callRuntimeCallbacks(onPreRuns);
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}
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function initRuntime() {
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runtimeInitialized = true;
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// Begin ATINITS hooks
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if (!Module["noFSInit"] && !FS.initialized) FS.init();
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TTY.init();
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// End ATINITS hooks
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wasmExports["jd"]();
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// Begin ATPOSTCTORS hooks
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FS.ignorePermissions = false;
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}
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function postRun() {
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// PThreads reuse the runtime from the main thread.
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if (Module["postRun"]) {
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if (typeof Module["postRun"] == "function") Module["postRun"] = [ Module["postRun"] ];
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while (Module["postRun"].length) {
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addOnPostRun(Module["postRun"].shift());
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}
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}
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// Begin ATPOSTRUNS hooks
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callRuntimeCallbacks(onPostRuns);
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}
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/** @param {string|number=} what */ function abort(what) {
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Module["onAbort"]?.(what);
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what = "Aborted(" + what + ")";
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// TODO(sbc): Should we remove printing and leave it up to whoever
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|
// catches the exception?
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err(what);
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ABORT = true;
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what += ". Build with -sASSERTIONS for more info.";
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// Use a wasm runtime error, because a JS error might be seen as a foreign
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// exception, which means we'd run destructors on it. We need the error to
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// simply make the program stop.
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// FIXME This approach does not work in Wasm EH because it currently does not assume
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// all RuntimeErrors are from traps; it decides whether a RuntimeError is from
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// a trap or not based on a hidden field within the object. So at the moment
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// we don't have a way of throwing a wasm trap from JS. TODO Make a JS API that
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// allows this in the wasm spec.
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|
// Suppress closure compiler warning here. Closure compiler's builtin extern
|
|
// definition for WebAssembly.RuntimeError claims it takes no arguments even
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|
// though it can.
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|
// TODO(https://github.com/google/closure-compiler/pull/3913): Remove if/when upstream closure gets fixed.
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|
/** @suppress {checkTypes} */ var e = new WebAssembly.RuntimeError(what);
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readyPromiseReject?.(e);
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|
// Throw the error whether or not MODULARIZE is set because abort is used
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|
// in code paths apart from instantiation where an exception is expected
|
|
// to be thrown when abort is called.
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throw e;
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}
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var wasmBinaryFile;
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|
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|
function findWasmBinary() {
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|
return locateFile("vision_wasm_internal.wasm");
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|
}
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|
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function getBinarySync(file) {
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|
if (file == wasmBinaryFile && wasmBinary) {
|
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return new Uint8Array(wasmBinary);
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}
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|
if (readBinary) {
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return readBinary(file);
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}
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|
// Throwing a plain string here, even though it not normally advisable since
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// this gets turning into an `abort` in instantiateArrayBuffer.
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throw "both async and sync fetching of the wasm failed";
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}
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async function getWasmBinary(binaryFile) {
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// If we don't have the binary yet, load it asynchronously using readAsync.
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if (!wasmBinary) {
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// Fetch the binary using readAsync
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try {
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var response = await readAsync(binaryFile);
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return new Uint8Array(response);
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|
} catch {}
|
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}
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|
// Otherwise, getBinarySync should be able to get it synchronously
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return getBinarySync(binaryFile);
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}
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async function instantiateArrayBuffer(binaryFile, imports) {
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try {
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var binary = await getWasmBinary(binaryFile);
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var instance = await WebAssembly.instantiate(binary, imports);
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return instance;
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} catch (reason) {
|
|
err(`failed to asynchronously prepare wasm: ${reason}`);
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abort(reason);
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}
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}
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async function instantiateAsync(binary, binaryFile, imports) {
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|
if (!binary && !isFileURI(binaryFile) && !ENVIRONMENT_IS_NODE) {
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|
try {
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var response = fetch(binaryFile, {
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credentials: "same-origin"
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});
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var instantiationResult = await WebAssembly.instantiateStreaming(response, imports);
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return instantiationResult;
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} catch (reason) {
|
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// We expect the most common failure cause to be a bad MIME type for the binary,
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|
// in which case falling back to ArrayBuffer instantiation should work.
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|
err(`wasm streaming compile failed: ${reason}`);
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err("falling back to ArrayBuffer instantiation");
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}
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}
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return instantiateArrayBuffer(binaryFile, imports);
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}
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|
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function getWasmImports() {
|
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// prepare imports
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var imports = {
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"a": wasmImports
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};
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return imports;
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}
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|
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// Create the wasm instance.
|
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// Receives the wasm imports, returns the exports.
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async function createWasm() {
|
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// 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
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/** @param {WebAssembly.Module=} module*/ function receiveInstance(instance, module) {
|
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wasmExports = instance.exports;
|
|
assignWasmExports(wasmExports);
|
|
updateMemoryViews();
|
|
return wasmExports;
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}
|
|
// Prefer streaming instantiation if available.
|
|
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
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|
// TODO: Due to Closure regression https://github.com/google/closure-compiler/issues/3193, the above line no longer optimizes out down to the following line.
|
|
// When the regression is fixed, can restore the above PTHREADS-enabled path.
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return receiveInstance(result["instance"]);
|
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}
|
|
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) => {
|
|
Module["instantiateWasm"](info, (inst, mod) => {
|
|
resolve(receiveInstance(inst, mod));
|
|
});
|
|
});
|
|
}
|
|
wasmBinaryFile ??= findWasmBinary();
|
|
var result = await instantiateAsync(wasmBinary, wasmBinaryFile, info);
|
|
var exports = receiveInstantiationResult(result);
|
|
return exports;
|
|
}
|
|
|
|
// Globals used by JS i64 conversions (see makeSetValue)
|
|
var tempDouble;
|
|
|
|
var tempI64;
|
|
|
|
// end include: preamble.js
|
|
// Begin JS library code
|
|
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;
|
|
}
|
|
quit_(1, e);
|
|
};
|
|
|
|
class ExitStatus {
|
|
name="ExitStatus";
|
|
constructor(status) {
|
|
this.message = `Program terminated with exit(${status})`;
|
|
this.status = status;
|
|
}
|
|
}
|
|
|
|
var runtimeKeepaliveCounter = 0;
|
|
|
|
var keepRuntimeAlive = () => noExitRuntime || runtimeKeepaliveCounter > 0;
|
|
|
|
var _proc_exit = code => {
|
|
EXITSTATUS = code;
|
|
if (!keepRuntimeAlive()) {
|
|
Module["onExit"]?.(code);
|
|
ABORT = true;
|
|
}
|
|
quit_(code, new ExitStatus(code));
|
|
};
|
|
|
|
/** @param {boolean|number=} implicit */ var exitJS = (status, implicit) => {
|
|
EXITSTATUS = status;
|
|
_proc_exit(status);
|
|
};
|
|
|
|
var _exit = exitJS;
|
|
|
|
var maybeExit = () => {
|
|
if (!keepRuntimeAlive()) {
|
|
try {
|
|
_exit(EXITSTATUS);
|
|
} catch (e) {
|
|
handleException(e);
|
|
}
|
|
}
|
|
};
|
|
|
|
var callUserCallback = func => {
|
|
if (ABORT) {
|
|
return;
|
|
}
|
|
try {
|
|
return func();
|
|
} catch (e) {
|
|
handleException(e);
|
|
} finally {
|
|
maybeExit();
|
|
}
|
|
};
|
|
|
|
function getFullscreenElement() {
|
|
return document.fullscreenElement || document.mozFullScreenElement || document.webkitFullscreenElement || document.webkitCurrentFullScreenElement || document.msFullscreenElement;
|
|
}
|
|
|
|
/** @param {number=} timeout */ var safeSetTimeout = (func, timeout) => setTimeout(() => {
|
|
callUserCallback(func);
|
|
}, timeout);
|
|
|
|
var warnOnce = text => {
|
|
warnOnce.shown ||= {};
|
|
if (!warnOnce.shown[text]) {
|
|
warnOnce.shown[text] = 1;
|
|
if (ENVIRONMENT_IS_NODE) text = "warning: " + text;
|
|
err(text);
|
|
}
|
|
};
|
|
|
|
var preloadPlugins = [];
|
|
|
|
var Browser = {
|
|
useWebGL: false,
|
|
isFullscreen: false,
|
|
pointerLock: false,
|
|
moduleContextCreatedCallbacks: [],
|
|
workers: [],
|
|
preloadedImages: {},
|
|
preloadedAudios: {},
|
|
getCanvas: () => Module["canvas"],
|
|
init() {
|
|
if (Browser.initted) return;
|
|
Browser.initted = true;
|
|
// Support for plugins that can process preloaded files. You can add more of these to
|
|
// your app by creating and appending to preloadPlugins.
|
|
// Each plugin is asked if it can handle a file based on the file's name. If it can,
|
|
// it is given the file's raw data. When it is done, it calls a callback with the file's
|
|
// (possibly modified) data. For example, a plugin might decompress a file, or it
|
|
// might create some side data structure for use later (like an Image element, etc.).
|
|
var imagePlugin = {};
|
|
imagePlugin["canHandle"] = name => !Module["noImageDecoding"] && /\.(jpg|jpeg|png|bmp|webp)$/i.test(name);
|
|
imagePlugin["handle"] = async (byteArray, name) => {
|
|
var b = new Blob([ byteArray ], {
|
|
type: Browser.getMimetype(name)
|
|
});
|
|
if (b.size !== byteArray.length) {
|
|
// Safari bug #118630
|
|
// Safari's Blob can only take an ArrayBuffer
|
|
b = new Blob([ (new Uint8Array(byteArray)).buffer ], {
|
|
type: Browser.getMimetype(name)
|
|
});
|
|
}
|
|
var url = URL.createObjectURL(b);
|
|
return new Promise((resolve, reject) => {
|
|
var img = new Image;
|
|
img.onload = () => {
|
|
var canvas = /** @type {!HTMLCanvasElement} */ (document.createElement("canvas"));
|
|
canvas.width = img.width;
|
|
canvas.height = img.height;
|
|
var ctx = canvas.getContext("2d");
|
|
ctx.drawImage(img, 0, 0);
|
|
Browser.preloadedImages[name] = canvas;
|
|
URL.revokeObjectURL(url);
|
|
resolve(byteArray);
|
|
};
|
|
img.onerror = event => {
|
|
err(`Image ${url} could not be decoded`);
|
|
reject();
|
|
};
|
|
img.src = url;
|
|
});
|
|
};
|
|
preloadPlugins.push(imagePlugin);
|
|
var audioPlugin = {};
|
|
audioPlugin["canHandle"] = name => !Module["noAudioDecoding"] && name.slice(-4) in {
|
|
".ogg": 1,
|
|
".wav": 1,
|
|
".mp3": 1
|
|
};
|
|
audioPlugin["handle"] = async (byteArray, name) => new Promise((resolve, reject) => {
|
|
var done = false;
|
|
function finish(audio) {
|
|
if (done) return;
|
|
done = true;
|
|
Browser.preloadedAudios[name] = audio;
|
|
resolve(byteArray);
|
|
}
|
|
var b = new Blob([ byteArray ], {
|
|
type: Browser.getMimetype(name)
|
|
});
|
|
var url = URL.createObjectURL(b);
|
|
// XXX we never revoke this!
|
|
var audio = new Audio;
|
|
audio.addEventListener("canplaythrough", () => finish(audio), false);
|
|
// use addEventListener due to chromium bug 124926
|
|
audio.onerror = event => {
|
|
if (done) return;
|
|
err(`warning: browser could not fully decode audio ${name}, trying slower base64 approach`);
|
|
function encode64(data) {
|
|
var BASE = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
|
|
var PAD = "=";
|
|
var ret = "";
|
|
var leftchar = 0;
|
|
var leftbits = 0;
|
|
for (var i = 0; i < data.length; i++) {
|
|
leftchar = (leftchar << 8) | data[i];
|
|
leftbits += 8;
|
|
while (leftbits >= 6) {
|
|
var curr = (leftchar >> (leftbits - 6)) & 63;
|
|
leftbits -= 6;
|
|
ret += BASE[curr];
|
|
}
|
|
}
|
|
if (leftbits == 2) {
|
|
ret += BASE[(leftchar & 3) << 4];
|
|
ret += PAD + PAD;
|
|
} else if (leftbits == 4) {
|
|
ret += BASE[(leftchar & 15) << 2];
|
|
ret += PAD;
|
|
}
|
|
return ret;
|
|
}
|
|
audio.src = "data:audio/x-" + name.slice(-3) + ";base64," + encode64(byteArray);
|
|
finish(audio);
|
|
};
|
|
audio.src = url;
|
|
// workaround for chrome bug 124926 - we do not always get oncanplaythrough or onerror
|
|
safeSetTimeout(() => {
|
|
finish(audio);
|
|
}, 1e4);
|
|
});
|
|
preloadPlugins.push(audioPlugin);
|
|
// Canvas event setup
|
|
function pointerLockChange() {
|
|
var canvas = Browser.getCanvas();
|
|
Browser.pointerLock = document.pointerLockElement === canvas;
|
|
}
|
|
var canvas = Browser.getCanvas();
|
|
if (canvas) {
|
|
// forced aspect ratio can be enabled by defining 'forcedAspectRatio' on Module
|
|
// Module['forcedAspectRatio'] = 4 / 3;
|
|
document.addEventListener("pointerlockchange", pointerLockChange, false);
|
|
if (Module["elementPointerLock"]) {
|
|
canvas.addEventListener("click", ev => {
|
|
if (!Browser.pointerLock && Browser.getCanvas().requestPointerLock) {
|
|
Browser.getCanvas().requestPointerLock();
|
|
ev.preventDefault();
|
|
}
|
|
}, false);
|
|
}
|
|
}
|
|
},
|
|
createContext(/** @type {HTMLCanvasElement} */ canvas, useWebGL, setInModule, webGLContextAttributes) {
|
|
if (useWebGL && Module["ctx"] && canvas == Browser.getCanvas()) return Module["ctx"];
|
|
// no need to recreate GL context if it's already been created for this canvas.
|
|
var ctx;
|
|
var contextHandle;
|
|
if (useWebGL) {
|
|
// For GLES2/desktop GL compatibility, adjust a few defaults to be different to WebGL defaults, so that they align better with the desktop defaults.
|
|
var contextAttributes = {
|
|
antialias: false,
|
|
alpha: false,
|
|
majorVersion: (typeof WebGL2RenderingContext != "undefined") ? 2 : 1
|
|
};
|
|
if (webGLContextAttributes) {
|
|
for (var attribute in webGLContextAttributes) {
|
|
contextAttributes[attribute] = webGLContextAttributes[attribute];
|
|
}
|
|
}
|
|
// This check of existence of GL is here to satisfy Closure compiler, which yells if variable GL is referenced below but GL object is not
|
|
// actually compiled in because application is not doing any GL operations. TODO: Ideally if GL is not being used, this function
|
|
// Browser.createContext() should not even be emitted.
|
|
if (typeof GL != "undefined") {
|
|
contextHandle = GL.createContext(canvas, contextAttributes);
|
|
if (contextHandle) {
|
|
ctx = GL.getContext(contextHandle).GLctx;
|
|
}
|
|
}
|
|
} else {
|
|
ctx = canvas.getContext("2d");
|
|
}
|
|
if (!ctx) return null;
|
|
if (setInModule) {
|
|
Module["ctx"] = ctx;
|
|
if (useWebGL) GL.makeContextCurrent(contextHandle);
|
|
Browser.useWebGL = useWebGL;
|
|
Browser.moduleContextCreatedCallbacks.forEach(callback => callback());
|
|
Browser.init();
|
|
}
|
|
return ctx;
|
|
},
|
|
fullscreenHandlersInstalled: false,
|
|
lockPointer: undefined,
|
|
resizeCanvas: undefined,
|
|
requestFullscreen(lockPointer, resizeCanvas) {
|
|
Browser.lockPointer = lockPointer;
|
|
Browser.resizeCanvas = resizeCanvas;
|
|
if (typeof Browser.lockPointer == "undefined") Browser.lockPointer = true;
|
|
if (typeof Browser.resizeCanvas == "undefined") Browser.resizeCanvas = false;
|
|
var canvas = Browser.getCanvas();
|
|
function fullscreenChange() {
|
|
Browser.isFullscreen = false;
|
|
var canvasContainer = canvas.parentNode;
|
|
if (getFullscreenElement() === canvasContainer) {
|
|
canvas.exitFullscreen = Browser.exitFullscreen;
|
|
if (Browser.lockPointer) canvas.requestPointerLock();
|
|
Browser.isFullscreen = true;
|
|
if (Browser.resizeCanvas) {
|
|
Browser.setFullscreenCanvasSize();
|
|
} else {
|
|
Browser.updateCanvasDimensions(canvas);
|
|
}
|
|
} else {
|
|
// remove the full screen specific parent of the canvas again to restore the HTML structure from before going full screen
|
|
canvasContainer.parentNode.insertBefore(canvas, canvasContainer);
|
|
canvasContainer.parentNode.removeChild(canvasContainer);
|
|
if (Browser.resizeCanvas) {
|
|
Browser.setWindowedCanvasSize();
|
|
} else {
|
|
Browser.updateCanvasDimensions(canvas);
|
|
}
|
|
}
|
|
Module["onFullScreen"]?.(Browser.isFullscreen);
|
|
Module["onFullscreen"]?.(Browser.isFullscreen);
|
|
}
|
|
if (!Browser.fullscreenHandlersInstalled) {
|
|
Browser.fullscreenHandlersInstalled = true;
|
|
document.addEventListener("fullscreenchange", fullscreenChange, false);
|
|
document.addEventListener("mozfullscreenchange", fullscreenChange, false);
|
|
document.addEventListener("webkitfullscreenchange", fullscreenChange, false);
|
|
document.addEventListener("MSFullscreenChange", fullscreenChange, false);
|
|
}
|
|
// create a new parent to ensure the canvas has no siblings. this allows browsers to optimize full screen performance when its parent is the full screen root
|
|
var canvasContainer = document.createElement("div");
|
|
canvas.parentNode.insertBefore(canvasContainer, canvas);
|
|
canvasContainer.appendChild(canvas);
|
|
// use parent of canvas as full screen root to allow aspect ratio correction (Firefox stretches the root to screen size)
|
|
canvasContainer.requestFullscreen = canvasContainer["requestFullscreen"] || canvasContainer["mozRequestFullScreen"] || canvasContainer["msRequestFullscreen"] || (canvasContainer["webkitRequestFullscreen"] ? () => canvasContainer["webkitRequestFullscreen"](Element["ALLOW_KEYBOARD_INPUT"]) : null) || (canvasContainer["webkitRequestFullScreen"] ? () => canvasContainer["webkitRequestFullScreen"](Element["ALLOW_KEYBOARD_INPUT"]) : null);
|
|
canvasContainer.requestFullscreen();
|
|
},
|
|
exitFullscreen() {
|
|
// This is workaround for chrome. Trying to exit from fullscreen
|
|
// not in fullscreen state will cause "TypeError: Document not active"
|
|
// in chrome. See https://github.com/emscripten-core/emscripten/pull/8236
|
|
if (!Browser.isFullscreen) {
|
|
return false;
|
|
}
|
|
var CFS = document["exitFullscreen"] || document["cancelFullScreen"] || document["mozCancelFullScreen"] || document["msExitFullscreen"] || document["webkitCancelFullScreen"] || (() => {});
|
|
CFS.apply(document, []);
|
|
return true;
|
|
},
|
|
safeSetTimeout(func, timeout) {
|
|
// Legacy function, this is used by the SDL2 port so we need to keep it
|
|
// around at least until that is updated.
|
|
// See https://github.com/libsdl-org/SDL/pull/6304
|
|
return safeSetTimeout(func, timeout);
|
|
},
|
|
getMimetype(name) {
|
|
return {
|
|
"jpg": "image/jpeg",
|
|
"jpeg": "image/jpeg",
|
|
"png": "image/png",
|
|
"bmp": "image/bmp",
|
|
"ogg": "audio/ogg",
|
|
"wav": "audio/wav",
|
|
"mp3": "audio/mpeg"
|
|
}[name.slice(name.lastIndexOf(".") + 1)];
|
|
},
|
|
getUserMedia(func) {
|
|
window.getUserMedia ||= navigator["getUserMedia"] || navigator["mozGetUserMedia"];
|
|
window.getUserMedia(func);
|
|
},
|
|
getMovementX(event) {
|
|
return event["movementX"] || event["mozMovementX"] || event["webkitMovementX"] || 0;
|
|
},
|
|
getMovementY(event) {
|
|
return event["movementY"] || event["mozMovementY"] || event["webkitMovementY"] || 0;
|
|
},
|
|
getMouseWheelDelta(event) {
|
|
var delta = 0;
|
|
switch (event.type) {
|
|
case "DOMMouseScroll":
|
|
// 3 lines make up a step
|
|
delta = event.detail / 3;
|
|
break;
|
|
|
|
case "mousewheel":
|
|
// 120 units make up a step
|
|
delta = event.wheelDelta / 120;
|
|
break;
|
|
|
|
case "wheel":
|
|
delta = event.deltaY;
|
|
switch (event.deltaMode) {
|
|
case 0:
|
|
// DOM_DELTA_PIXEL: 100 pixels make up a step
|
|
delta /= 100;
|
|
break;
|
|
|
|
case 1:
|
|
// DOM_DELTA_LINE: 3 lines make up a step
|
|
delta /= 3;
|
|
break;
|
|
|
|
case 2:
|
|
// DOM_DELTA_PAGE: A page makes up 80 steps
|
|
delta *= 80;
|
|
break;
|
|
|
|
default:
|
|
abort("unrecognized mouse wheel delta mode: " + event.deltaMode);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
abort("unrecognized mouse wheel event: " + event.type);
|
|
}
|
|
return delta;
|
|
},
|
|
mouseX: 0,
|
|
mouseY: 0,
|
|
mouseMovementX: 0,
|
|
mouseMovementY: 0,
|
|
touches: {},
|
|
lastTouches: {},
|
|
calculateMouseCoords(pageX, pageY) {
|
|
// Calculate the movement based on the changes
|
|
// in the coordinates.
|
|
var canvas = Browser.getCanvas();
|
|
var rect = canvas.getBoundingClientRect();
|
|
// Neither .scrollX or .pageXOffset are defined in a spec, but
|
|
// we prefer .scrollX because it is currently in a spec draft.
|
|
// (see: http://www.w3.org/TR/2013/WD-cssom-view-20131217/)
|
|
var scrollX = ((typeof window.scrollX != "undefined") ? window.scrollX : window.pageXOffset);
|
|
var scrollY = ((typeof window.scrollY != "undefined") ? window.scrollY : window.pageYOffset);
|
|
var adjustedX = pageX - (scrollX + rect.left);
|
|
var adjustedY = pageY - (scrollY + rect.top);
|
|
// the canvas might be CSS-scaled compared to its backbuffer;
|
|
// SDL-using content will want mouse coordinates in terms
|
|
// of backbuffer units.
|
|
adjustedX = adjustedX * (canvas.width / rect.width);
|
|
adjustedY = adjustedY * (canvas.height / rect.height);
|
|
return {
|
|
x: adjustedX,
|
|
y: adjustedY
|
|
};
|
|
},
|
|
setMouseCoords(pageX, pageY) {
|
|
const {x, y} = Browser.calculateMouseCoords(pageX, pageY);
|
|
Browser.mouseMovementX = x - Browser.mouseX;
|
|
Browser.mouseMovementY = y - Browser.mouseY;
|
|
Browser.mouseX = x;
|
|
Browser.mouseY = y;
|
|
},
|
|
calculateMouseEvent(event) {
|
|
// event should be mousemove, mousedown or mouseup
|
|
if (Browser.pointerLock) {
|
|
// When the pointer is locked, calculate the coordinates
|
|
// based on the movement of the mouse.
|
|
// Workaround for Firefox bug 764498
|
|
if (event.type != "mousemove" && ("mozMovementX" in event)) {
|
|
Browser.mouseMovementX = Browser.mouseMovementY = 0;
|
|
} else {
|
|
Browser.mouseMovementX = Browser.getMovementX(event);
|
|
Browser.mouseMovementY = Browser.getMovementY(event);
|
|
}
|
|
// add the mouse delta to the current absolute mouse position
|
|
Browser.mouseX += Browser.mouseMovementX;
|
|
Browser.mouseY += Browser.mouseMovementY;
|
|
} else {
|
|
if (event.type === "touchstart" || event.type === "touchend" || event.type === "touchmove") {
|
|
var touch = event.touch;
|
|
if (touch === undefined) {
|
|
return;
|
|
}
|
|
var coords = Browser.calculateMouseCoords(touch.pageX, touch.pageY);
|
|
if (event.type === "touchstart") {
|
|
Browser.lastTouches[touch.identifier] = coords;
|
|
Browser.touches[touch.identifier] = coords;
|
|
} else if (event.type === "touchend" || event.type === "touchmove") {
|
|
var last = Browser.touches[touch.identifier];
|
|
last ||= coords;
|
|
Browser.lastTouches[touch.identifier] = last;
|
|
Browser.touches[touch.identifier] = coords;
|
|
}
|
|
return;
|
|
}
|
|
Browser.setMouseCoords(event.pageX, event.pageY);
|
|
}
|
|
},
|
|
resizeListeners: [],
|
|
updateResizeListeners() {
|
|
var canvas = Browser.getCanvas();
|
|
Browser.resizeListeners.forEach(listener => listener(canvas.width, canvas.height));
|
|
},
|
|
setCanvasSize(width, height, noUpdates) {
|
|
var canvas = Browser.getCanvas();
|
|
Browser.updateCanvasDimensions(canvas, width, height);
|
|
if (!noUpdates) Browser.updateResizeListeners();
|
|
},
|
|
windowedWidth: 0,
|
|
windowedHeight: 0,
|
|
setFullscreenCanvasSize() {
|
|
// check if SDL is available
|
|
if (typeof SDL != "undefined") {
|
|
var flags = HEAPU32[((SDL.screen) >> 2)];
|
|
flags = flags | 8388608;
|
|
// set SDL_FULLSCREEN flag
|
|
HEAP32[((SDL.screen) >> 2)] = flags;
|
|
}
|
|
Browser.updateCanvasDimensions(Browser.getCanvas());
|
|
Browser.updateResizeListeners();
|
|
},
|
|
setWindowedCanvasSize() {
|
|
// check if SDL is available
|
|
if (typeof SDL != "undefined") {
|
|
var flags = HEAPU32[((SDL.screen) >> 2)];
|
|
flags = flags & ~8388608;
|
|
// clear SDL_FULLSCREEN flag
|
|
HEAP32[((SDL.screen) >> 2)] = flags;
|
|
}
|
|
Browser.updateCanvasDimensions(Browser.getCanvas());
|
|
Browser.updateResizeListeners();
|
|
},
|
|
updateCanvasDimensions(canvas, wNative, hNative) {
|
|
if (wNative && hNative) {
|
|
canvas.widthNative = wNative;
|
|
canvas.heightNative = hNative;
|
|
} else {
|
|
wNative = canvas.widthNative;
|
|
hNative = canvas.heightNative;
|
|
}
|
|
var w = wNative;
|
|
var h = hNative;
|
|
if (Module["forcedAspectRatio"] > 0) {
|
|
if (w / h < Module["forcedAspectRatio"]) {
|
|
w = Math.round(h * Module["forcedAspectRatio"]);
|
|
} else {
|
|
h = Math.round(w / Module["forcedAspectRatio"]);
|
|
}
|
|
}
|
|
if ((getFullscreenElement() === canvas.parentNode) && (typeof screen != "undefined")) {
|
|
var factor = Math.min(screen.width / w, screen.height / h);
|
|
w = Math.round(w * factor);
|
|
h = Math.round(h * factor);
|
|
}
|
|
if (Browser.resizeCanvas) {
|
|
if (canvas.width != w) canvas.width = w;
|
|
if (canvas.height != h) canvas.height = h;
|
|
if (typeof canvas.style != "undefined") {
|
|
canvas.style.removeProperty("width");
|
|
canvas.style.removeProperty("height");
|
|
}
|
|
} else {
|
|
if (canvas.width != wNative) canvas.width = wNative;
|
|
if (canvas.height != hNative) canvas.height = hNative;
|
|
if (typeof canvas.style != "undefined") {
|
|
if (w != wNative || h != hNative) {
|
|
canvas.style.setProperty("width", w + "px", "important");
|
|
canvas.style.setProperty("height", h + "px", "important");
|
|
} else {
|
|
canvas.style.removeProperty("width");
|
|
canvas.style.removeProperty("height");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
var callRuntimeCallbacks = callbacks => {
|
|
while (callbacks.length > 0) {
|
|
// Pass the module as the first argument.
|
|
callbacks.shift()(Module);
|
|
}
|
|
};
|
|
|
|
var onPostRuns = [];
|
|
|
|
var addOnPostRun = cb => onPostRuns.push(cb);
|
|
|
|
var onPreRuns = [];
|
|
|
|
var addOnPreRun = cb => onPreRuns.push(cb);
|
|
|
|
var noExitRuntime = true;
|
|
|
|
var stackRestore = val => __emscripten_stack_restore(val);
|
|
|
|
var stackSave = () => _emscripten_stack_get_current();
|
|
|
|
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) {
|
|
HEAPU32[(((this.ptr) + (4)) >> 2)] = type;
|
|
}
|
|
get_type() {
|
|
return HEAPU32[(((this.ptr) + (4)) >> 2)];
|
|
}
|
|
set_destructor(destructor) {
|
|
HEAPU32[(((this.ptr) + (8)) >> 2)] = destructor;
|
|
}
|
|
get_destructor() {
|
|
return HEAPU32[(((this.ptr) + (8)) >> 2)];
|
|
}
|
|
set_caught(caught) {
|
|
caught = caught ? 1 : 0;
|
|
HEAP8[(this.ptr) + (12)] = caught;
|
|
}
|
|
get_caught() {
|
|
return HEAP8[(this.ptr) + (12)] != 0;
|
|
}
|
|
set_rethrown(rethrown) {
|
|
rethrown = rethrown ? 1 : 0;
|
|
HEAP8[(this.ptr) + (13)] = rethrown;
|
|
}
|
|
get_rethrown() {
|
|
return HEAP8[(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) {
|
|
HEAPU32[(((this.ptr) + (16)) >> 2)] = adjustedPtr;
|
|
}
|
|
get_adjusted_ptr() {
|
|
return HEAPU32[(((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++;
|
|
throw exceptionLast;
|
|
};
|
|
|
|
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 = () => {
|
|
// This block is not needed on v19+ since crypto.getRandomValues is builtin
|
|
if (ENVIRONMENT_IS_NODE) {
|
|
var nodeCrypto = require("node:crypto");
|
|
return view => nodeCrypto.randomFillSync(view);
|
|
}
|
|
return view => crypto.getRandomValues(view);
|
|
};
|
|
|
|
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 UTF8Decoder = new TextDecoder;
|
|
|
|
var findStringEnd = (heapOrArray, idx, maxBytesToRead, ignoreNul) => {
|
|
var maxIdx = idx + maxBytesToRead;
|
|
if (ignoreNul) return maxIdx;
|
|
// TextDecoder needs to know the byte length in advance, it doesn't stop on
|
|
// null terminator by itself.
|
|
// As a tiny code save trick, compare idx against maxIdx using a negation,
|
|
// so that maxBytesToRead=undefined/NaN means Infinity.
|
|
while (heapOrArray[idx] && !(idx >= maxIdx)) ++idx;
|
|
return idx;
|
|
};
|
|
|
|
/**
|
|
* 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
|
|
* @param {boolean=} ignoreNul - If true, the function will not stop on a NUL character.
|
|
* @return {string}
|
|
*/ var UTF8ArrayToString = (heapOrArray, idx = 0, maxBytesToRead, ignoreNul) => {
|
|
var endPtr = findStringEnd(heapOrArray, idx, maxBytesToRead, ignoreNul);
|
|
return UTF8Decoder.decode(heapOrArray.buffer ? heapOrArray.subarray(idx, endPtr) : new Uint8Array(heapOrArray.slice(idx, endPtr)));
|
|
};
|
|
|
|
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) => {
|
|
// 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) {
|
|
// 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.codePointAt(i);
|
|
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;
|
|
heap[outIdx++] = 240 | (u >> 18);
|
|
heap[outIdx++] = 128 | ((u >> 12) & 63);
|
|
heap[outIdx++] = 128 | ((u >> 6) & 63);
|
|
heap[outIdx++] = 128 | (u & 63);
|
|
// Gotcha: if codePoint is over 0xFFFF, it is represented as a surrogate pair in UTF-16.
|
|
// We need to manually skip over the second code unit for correct iteration.
|
|
i++;
|
|
}
|
|
}
|
|
// 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 (ENVIRONMENT_IS_NODE) {
|
|
// we will read data by chunks of BUFSIZE
|
|
var BUFSIZE = 256;
|
|
var buf = Buffer.alloc(BUFSIZE);
|
|
var bytesRead = 0;
|
|
// For some reason we must suppress a closure warning here, even though
|
|
// fd definitely exists on process.stdin, and is even the proper way to
|
|
// get the fd of stdin,
|
|
// https://github.com/nodejs/help/issues/2136#issuecomment-523649904
|
|
// This started to happen after moving this logic out of library_tty.js,
|
|
// so it is related to the surrounding code in some unclear manner.
|
|
/** @suppress {missingProperties} */ var fd = process.stdin.fd;
|
|
try {
|
|
bytesRead = fs.readSync(fd, buf, 0, BUFSIZE);
|
|
} catch (e) {
|
|
// Cross-platform differences: on Windows, reading EOF throws an
|
|
// exception, but on other OSes, reading EOF returns 0. Uniformize
|
|
// behavior by treating the EOF exception to return 0.
|
|
if (e.toString().includes("EOF")) bytesRead = 0; else throw e;
|
|
}
|
|
if (bytesRead > 0) {
|
|
result = buf.slice(0, bytesRead).toString("utf-8");
|
|
}
|
|
} else if (globalThis.window?.prompt) {
|
|
// 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) => HEAPU8.fill(0, ptr, ptr + size);
|
|
|
|
var alignMemory = (size, alignment) => 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)) {
|
|
// not 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) {
|
|
// This error may happen quite a bit. To avoid overhead we reuse it (and
|
|
// suffer a lack of stack info).
|
|
if (!MEMFS.doesNotExistError) {
|
|
MEMFS.doesNotExistError = new FS.ErrnoError(44);
|
|
/** @suppress {checkTypes} */ MEMFS.doesNotExistError.stack = "<generic error, no stack>";
|
|
}
|
|
throw MEMFS.doesNotExistError;
|
|
},
|
|
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);
|
|
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) {
|
|
// 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 copy its contents.
|
|
if (buffer.buffer === HEAP8.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) {
|
|
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 === HEAP8.buffer) {
|
|
// We can't emulate MAP_SHARED when the file is not backed by the
|
|
// buffer we're mapping to (e.g. the HEAP buffer).
|
|
allocated = false;
|
|
ptr = contents.byteOffset;
|
|
} else {
|
|
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);
|
|
}
|
|
}
|
|
HEAP8.set(contents, ptr);
|
|
}
|
|
}
|
|
return {
|
|
ptr,
|
|
allocated
|
|
};
|
|
},
|
|
msync(stream, buffer, offset, length, mmapFlags) {
|
|
MEMFS.stream_ops.write(stream, buffer, 0, length, offset, false);
|
|
// should we check if bytesWritten and length are the same?
|
|
return 0;
|
|
}
|
|
}
|
|
};
|
|
|
|
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 asyncLoad = async url => {
|
|
var arrayBuffer = await readAsync(url);
|
|
return new Uint8Array(arrayBuffer);
|
|
};
|
|
|
|
var FS_createDataFile = (...args) => FS.createDataFile(...args);
|
|
|
|
var getUniqueRunDependency = id => id;
|
|
|
|
var runDependencies = 0;
|
|
|
|
var dependenciesFulfilled = null;
|
|
|
|
var removeRunDependency = id => {
|
|
runDependencies--;
|
|
Module["monitorRunDependencies"]?.(runDependencies);
|
|
if (runDependencies == 0) {
|
|
if (dependenciesFulfilled) {
|
|
var callback = dependenciesFulfilled;
|
|
dependenciesFulfilled = null;
|
|
callback();
|
|
}
|
|
}
|
|
};
|
|
|
|
var addRunDependency = id => {
|
|
runDependencies++;
|
|
Module["monitorRunDependencies"]?.(runDependencies);
|
|
};
|
|
|
|
var FS_handledByPreloadPlugin = async (byteArray, fullname) => {
|
|
// Ensure plugins are ready.
|
|
if (typeof Browser != "undefined") Browser.init();
|
|
for (var plugin of preloadPlugins) {
|
|
if (plugin["canHandle"](fullname)) {
|
|
return plugin["handle"](byteArray, fullname);
|
|
}
|
|
}
|
|
// If no plugin handled this file then return the original/unmodified
|
|
// byteArray.
|
|
return byteArray;
|
|
};
|
|
|
|
var FS_preloadFile = async (parent, name, url, canRead, canWrite, 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
|
|
addRunDependency(dep);
|
|
try {
|
|
var byteArray = url;
|
|
if (typeof url == "string") {
|
|
byteArray = await asyncLoad(url);
|
|
}
|
|
byteArray = await FS_handledByPreloadPlugin(byteArray, fullname);
|
|
preFinish?.();
|
|
if (!dontCreateFile) {
|
|
FS_createDataFile(parent, name, byteArray, canRead, canWrite, canOwn);
|
|
}
|
|
} finally {
|
|
removeRunDependency(dep);
|
|
}
|
|
};
|
|
|
|
var FS_createPreloadedFile = (parent, name, url, canRead, canWrite, onload, onerror, dontCreateFile, canOwn, preFinish) => {
|
|
FS_preloadFile(parent, name, url, canRead, canWrite, dontCreateFile, canOwn, preFinish).then(onload).catch(onerror);
|
|
};
|
|
|
|
var FS = {
|
|
root: null,
|
|
mounts: [],
|
|
devices: {},
|
|
streams: [],
|
|
nextInode: 1,
|
|
nameTable: null,
|
|
currentPath: "/",
|
|
initialized: false,
|
|
ignorePermissions: true,
|
|
filesystems: null,
|
|
syncFSRequests: 0,
|
|
ErrnoError: class {
|
|
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) {
|
|
this.errno = errno;
|
|
}
|
|
},
|
|
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);
|
|
if (FS.isRoot(current)) {
|
|
path = current_path + "/" + parts.slice(i + 1).join("/");
|
|
// We're making progress here, don't let many consecutive ..'s
|
|
// lead to ELOOP
|
|
nlinks--;
|
|
continue linkloop;
|
|
} else {
|
|
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) {
|
|
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;
|
|
}
|
|
if (perms.includes("w") && !(node.mode & 146)) {
|
|
return 2;
|
|
}
|
|
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;
|
|
}
|
|
var mode = FS.flagsToPermissionString(flags);
|
|
if (FS.isDir(node.mode)) {
|
|
// opening for write
|
|
// TODO: check for O_SEARCH? (== search for dir only)
|
|
if (mode !== "r" || (flags & (512 | 64))) {
|
|
return 31;
|
|
}
|
|
}
|
|
return FS.nodePermissions(node, mode);
|
|
},
|
|
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) {
|
|
// 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) {
|
|
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
|
|
for (var mount of mounts) {
|
|
if (mount.type.syncfs) {
|
|
mount.type.syncfs(mount, populate, done);
|
|
} else {
|
|
done(null);
|
|
}
|
|
}
|
|
},
|
|
mount(type, opts, mountpoint) {
|
|
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);
|
|
for (var [hash, current] of Object.entries(FS.nameTable)) {
|
|
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);
|
|
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 to 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);
|
|
}
|
|
return stream;
|
|
},
|
|
close(stream) {
|
|
if (FS.isClosed(stream)) {
|
|
throw new FS.ErrnoError(8);
|
|
}
|
|
if (stream.getdents) stream.getdents = null;
|
|
// free readdir state
|
|
try {
|
|
if (stream.stream_ops.close) {
|
|
stream.stream_ops.close(stream);
|
|
}
|
|
} catch (e) {
|
|
throw e;
|
|
} finally {
|
|
FS.closeStream(stream.fd);
|
|
}
|
|
stream.fd = null;
|
|
},
|
|
isClosed(stream) {
|
|
return stream.fd === null;
|
|
},
|
|
llseek(stream, offset, whence) {
|
|
if (FS.isClosed(stream)) {
|
|
throw new FS.ErrnoError(8);
|
|
}
|
|
if (!stream.seekable || !stream.stream_ops.llseek) {
|
|
throw new FS.ErrnoError(70);
|
|
}
|
|
if (whence != 0 && whence != 1 && whence != 2) {
|
|
throw new FS.ErrnoError(28);
|
|
}
|
|
stream.position = stream.stream_ops.llseek(stream, offset, whence);
|
|
stream.ungotten = [];
|
|
return stream.position;
|
|
},
|
|
read(stream, buffer, offset, length, position) {
|
|
if (length < 0 || position < 0) {
|
|
throw new FS.ErrnoError(28);
|
|
}
|
|
if (FS.isClosed(stream)) {
|
|
throw new FS.ErrnoError(8);
|
|
}
|
|
if ((stream.flags & 2097155) === 1) {
|
|
throw new FS.ErrnoError(8);
|
|
}
|
|
if (FS.isDir(stream.node.mode)) {
|
|
throw new FS.ErrnoError(31);
|
|
}
|
|
if (!stream.stream_ops.read) {
|
|
throw new FS.ErrnoError(28);
|
|
}
|
|
var seeking = typeof position != "undefined";
|
|
if (!seeking) {
|
|
position = stream.position;
|
|
} else if (!stream.seekable) {
|
|
throw new FS.ErrnoError(70);
|
|
}
|
|
var bytesRead = stream.stream_ops.read(stream, buffer, offset, length, position);
|
|
if (!seeking) stream.position += bytesRead;
|
|
return bytesRead;
|
|
},
|
|
write(stream, buffer, offset, length, position, canOwn) {
|
|
if (length < 0 || position < 0) {
|
|
throw new FS.ErrnoError(28);
|
|
}
|
|
if (FS.isClosed(stream)) {
|
|
throw new FS.ErrnoError(8);
|
|
}
|
|
if ((stream.flags & 2097155) === 0) {
|
|
throw new FS.ErrnoError(8);
|
|
}
|
|
if (FS.isDir(stream.node.mode)) {
|
|
throw new FS.ErrnoError(31);
|
|
}
|
|
if (!stream.stream_ops.write) {
|
|
throw new FS.ErrnoError(28);
|
|
}
|
|
if (stream.seekable && stream.flags & 1024) {
|
|
// seek to the end before writing in append mode
|
|
FS.llseek(stream, 0, 2);
|
|
}
|
|
var seeking = typeof position != "undefined";
|
|
if (!seeking) {
|
|
position = stream.position;
|
|
} else if (!stream.seekable) {
|
|
throw new FS.ErrnoError(70);
|
|
}
|
|
var bytesWritten = stream.stream_ops.write(stream, buffer, offset, length, position, canOwn);
|
|
if (!seeking) stream.position += bytesWritten;
|
|
return bytesWritten;
|
|
},
|
|
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) {
|
|
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") {
|
|
abort(`Invalid encoding type "${opts.encoding}"`);
|
|
}
|
|
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") {
|
|
buf = UTF8ArrayToString(buf);
|
|
}
|
|
FS.close(stream);
|
|
return buf;
|
|
},
|
|
writeFile(path, data, opts = {}) {
|
|
opts.flags = opts.flags || 577;
|
|
var stream = FS.open(path, opts.flags, opts.mode);
|
|
if (typeof data == "string") {
|
|
data = new Uint8Array(intArrayFromString(data, true));
|
|
}
|
|
if (ArrayBuffer.isView(data)) {
|
|
FS.write(stream, data, 0, data.byteLength, undefined, opts.canOwn);
|
|
} else {
|
|
abort("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);
|
|
},
|
|
staticInit() {
|
|
FS.nameTable = new Array(4096);
|
|
FS.mount(MEMFS, {}, "/");
|
|
FS.createDefaultDirectories();
|
|
FS.createDefaultDevices();
|
|
FS.createSpecialDirectories();
|
|
FS.filesystems = {
|
|
"MEMFS": MEMFS
|
|
};
|
|
},
|
|
init(input, output, error) {
|
|
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
|
|
// 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 (globalThis.XMLHttpRequest) {
|
|
abort("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);
|
|
} 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)) abort("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) abort("invalid range (" + from + ", " + to + ") or no bytes requested!");
|
|
if (to > datalength - 1) abort("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)) abort("Couldn't load " + url + ". Status: " + xhr.status);
|
|
if (xhr.response !== undefined) {
|
|
return new Uint8Array(/** @type{Array<number>} */ (xhr.response || []));
|
|
}
|
|
return intArrayFromString(xhr.responseText || "", true);
|
|
};
|
|
var lazyArray = this;
|
|
lazyArray.setDataGetter(chunkNum => {
|
|
var start = chunkNum * chunkSize;
|
|
var end = (chunkNum + 1) * chunkSize - 1;
|
|
// including this byte
|
|
end = Math.min(end, datalength - 1);
|
|
// if datalength-1 is selected, this is the last block
|
|
if (typeof lazyArray.chunks[chunkNum] == "undefined") {
|
|
lazyArray.chunks[chunkNum] = doXHR(start, end);
|
|
}
|
|
if (typeof lazyArray.chunks[chunkNum] == "undefined") abort("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 (globalThis.XMLHttpRequest) {
|
|
if (!ENVIRONMENT_IS_WORKER) abort("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 = {};
|
|
for (const [key, fn] of Object.entries(node.stream_ops)) {
|
|
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);
|
|
if (contents.slice) {
|
|
// normal array
|
|
for (var i = 0; i < size; i++) {
|
|
buffer[offset + i] = contents[position + i];
|
|
}
|
|
} else {
|
|
for (var i = 0; i < size; i++) {
|
|
// LazyUint8Array from sync binary XHR
|
|
buffer[offset + i] = contents.get(position + i);
|
|
}
|
|
}
|
|
return size;
|
|
}
|
|
// use a custom read function
|
|
stream_ops.read = (stream, buffer, offset, length, position) => {
|
|
FS.forceLoadFile(node);
|
|
return writeChunks(stream, buffer, offset, length, position);
|
|
};
|
|
// use a custom mmap function
|
|
stream_ops.mmap = (stream, length, position, prot, flags) => {
|
|
FS.forceLoadFile(node);
|
|
var ptr = mmapAlloc(length);
|
|
if (!ptr) {
|
|
throw new FS.ErrnoError(48);
|
|
}
|
|
writeChunks(stream, HEAP8, ptr, length, position);
|
|
return {
|
|
ptr,
|
|
allocated: true
|
|
};
|
|
};
|
|
node.stream_ops = stream_ops;
|
|
return node;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* 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.
|
|
* @param {boolean=} ignoreNul - If true, the function will not stop on a NUL character.
|
|
* @return {string}
|
|
*/ var UTF8ToString = (ptr, maxBytesToRead, ignoreNul) => {
|
|
if (!ptr) return "";
|
|
var end = findStringEnd(HEAPU8, ptr, maxBytesToRead, ignoreNul);
|
|
return UTF8Decoder.decode(HEAPU8.subarray(ptr, end));
|
|
};
|
|
|
|
var SYSCALLS = {
|
|
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) {
|
|
HEAPU32[((buf) >> 2)] = stat.dev;
|
|
HEAPU32[(((buf) + (4)) >> 2)] = stat.mode;
|
|
HEAPU32[(((buf) + (8)) >> 2)] = stat.nlink;
|
|
HEAPU32[(((buf) + (12)) >> 2)] = stat.uid;
|
|
HEAPU32[(((buf) + (16)) >> 2)] = stat.gid;
|
|
HEAPU32[(((buf) + (20)) >> 2)] = stat.rdev;
|
|
(tempI64 = [ stat.size >>> 0, (tempDouble = stat.size, (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ],
|
|
HEAP32[(((buf) + (24)) >> 2)] = tempI64[0], HEAP32[(((buf) + (28)) >> 2)] = tempI64[1]);
|
|
HEAP32[(((buf) + (32)) >> 2)] = 4096;
|
|
HEAP32[(((buf) + (36)) >> 2)] = stat.blocks;
|
|
var atime = stat.atime.getTime();
|
|
var mtime = stat.mtime.getTime();
|
|
var ctime = stat.ctime.getTime();
|
|
(tempI64 = [ Math.floor(atime / 1e3) >>> 0, (tempDouble = Math.floor(atime / 1e3),
|
|
(+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ],
|
|
HEAP32[(((buf) + (40)) >> 2)] = tempI64[0], HEAP32[(((buf) + (44)) >> 2)] = tempI64[1]);
|
|
HEAPU32[(((buf) + (48)) >> 2)] = (atime % 1e3) * 1e3 * 1e3;
|
|
(tempI64 = [ Math.floor(mtime / 1e3) >>> 0, (tempDouble = Math.floor(mtime / 1e3),
|
|
(+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ],
|
|
HEAP32[(((buf) + (56)) >> 2)] = tempI64[0], HEAP32[(((buf) + (60)) >> 2)] = tempI64[1]);
|
|
HEAPU32[(((buf) + (64)) >> 2)] = (mtime % 1e3) * 1e3 * 1e3;
|
|
(tempI64 = [ Math.floor(ctime / 1e3) >>> 0, (tempDouble = Math.floor(ctime / 1e3),
|
|
(+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ],
|
|
HEAP32[(((buf) + (72)) >> 2)] = tempI64[0], HEAP32[(((buf) + (76)) >> 2)] = tempI64[1]);
|
|
HEAPU32[(((buf) + (80)) >> 2)] = (ctime % 1e3) * 1e3 * 1e3;
|
|
(tempI64 = [ stat.ino >>> 0, (tempDouble = stat.ino, (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ],
|
|
HEAP32[(((buf) + (88)) >> 2)] = tempI64[0], HEAP32[(((buf) + (92)) >> 2)] = tempI64[1]);
|
|
return 0;
|
|
},
|
|
writeStatFs(buf, stats) {
|
|
HEAPU32[(((buf) + (4)) >> 2)] = stats.bsize;
|
|
HEAPU32[(((buf) + (60)) >> 2)] = stats.bsize;
|
|
(tempI64 = [ stats.blocks >>> 0, (tempDouble = stats.blocks, (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ],
|
|
HEAP32[(((buf) + (8)) >> 2)] = tempI64[0], HEAP32[(((buf) + (12)) >> 2)] = tempI64[1]);
|
|
(tempI64 = [ stats.bfree >>> 0, (tempDouble = stats.bfree, (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ],
|
|
HEAP32[(((buf) + (16)) >> 2)] = tempI64[0], HEAP32[(((buf) + (20)) >> 2)] = tempI64[1]);
|
|
(tempI64 = [ stats.bavail >>> 0, (tempDouble = stats.bavail, (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ],
|
|
HEAP32[(((buf) + (24)) >> 2)] = tempI64[0], HEAP32[(((buf) + (28)) >> 2)] = tempI64[1]);
|
|
(tempI64 = [ stats.files >>> 0, (tempDouble = stats.files, (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ],
|
|
HEAP32[(((buf) + (32)) >> 2)] = tempI64[0], HEAP32[(((buf) + (36)) >> 2)] = tempI64[1]);
|
|
(tempI64 = [ stats.ffree >>> 0, (tempDouble = stats.ffree, (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ],
|
|
HEAP32[(((buf) + (40)) >> 2)] = tempI64[0], HEAP32[(((buf) + (44)) >> 2)] = tempI64[1]);
|
|
HEAPU32[(((buf) + (48)) >> 2)] = stats.fsid;
|
|
HEAPU32[(((buf) + (64)) >> 2)] = stats.flags;
|
|
// ST_NOSUID
|
|
HEAPU32[(((buf) + (56)) >> 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 = HEAPU8.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_dup(fd) {
|
|
try {
|
|
var old = SYSCALLS.getStreamFromFD(fd);
|
|
return FS.dupStream(old).fd;
|
|
} catch (e) {
|
|
if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
|
|
return -e.errno;
|
|
}
|
|
}
|
|
|
|
function ___syscall_faccessat(dirfd, path, amode, flags) {
|
|
try {
|
|
path = SYSCALLS.getStr(path);
|
|
path = SYSCALLS.calculateAt(dirfd, path);
|
|
if (amode & ~7) {
|
|
// need a valid mode
|
|
return -28;
|
|
}
|
|
var lookup = FS.lookupPath(path, {
|
|
follow: true
|
|
});
|
|
var node = lookup.node;
|
|
if (!node) {
|
|
return -44;
|
|
}
|
|
var perms = "";
|
|
if (amode & 4) perms += "r";
|
|
if (amode & 2) perms += "w";
|
|
if (amode & 1) perms += "x";
|
|
if (perms && FS.nodePermissions(node, perms)) {
|
|
return -2;
|
|
}
|
|
return 0;
|
|
} catch (e) {
|
|
if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
|
|
return -e.errno;
|
|
}
|
|
}
|
|
|
|
var syscallGetVarargI = () => {
|
|
// the `+` prepended here is necessary to convince the JSCompiler that varargs is indeed a number.
|
|
var ret = HEAP32[((+SYSCALLS.varargs) >> 2)];
|
|
SYSCALLS.varargs += 4;
|
|
return ret;
|
|
};
|
|
|
|
var syscallGetVarargP = syscallGetVarargI;
|
|
|
|
function ___syscall_fcntl64(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.
|
|
HEAP16[(((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) {
|
|
try {
|
|
return SYSCALLS.writeStat(buf, FS.fstat(fd));
|
|
} catch (e) {
|
|
if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
|
|
return -e.errno;
|
|
}
|
|
}
|
|
|
|
var convertI32PairToI53Checked = (lo, hi) => ((hi + 2097152) >>> 0 < 4194305 - !!lo) ? (lo >>> 0) + hi * 4294967296 : NaN;
|
|
|
|
function ___syscall_ftruncate64(fd, length_low, length_high) {
|
|
var length = convertI32PairToI53Checked(length_low, length_high);
|
|
try {
|
|
if (isNaN(length)) return -61;
|
|
FS.ftruncate(fd, length);
|
|
return 0;
|
|
} catch (e) {
|
|
if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
|
|
return -e.errno;
|
|
}
|
|
}
|
|
|
|
function ___syscall_ioctl(fd, op, varargs) {
|
|
SYSCALLS.varargs = varargs;
|
|
try {
|
|
var stream = SYSCALLS.getStreamFromFD(fd);
|
|
switch (op) {
|
|
case 21509:
|
|
{
|
|
if (!stream.tty) return -59;
|
|
return 0;
|
|
}
|
|
|
|
case 21505:
|
|
{
|
|
if (!stream.tty) return -59;
|
|
if (stream.tty.ops.ioctl_tcgets) {
|
|
var termios = stream.tty.ops.ioctl_tcgets(stream);
|
|
var argp = syscallGetVarargP();
|
|
HEAP32[((argp) >> 2)] = termios.c_iflag || 0;
|
|
HEAP32[(((argp) + (4)) >> 2)] = termios.c_oflag || 0;
|
|
HEAP32[(((argp) + (8)) >> 2)] = termios.c_cflag || 0;
|
|
HEAP32[(((argp) + (12)) >> 2)] = termios.c_lflag || 0;
|
|
for (var i = 0; i < 32; i++) {
|
|
HEAP8[(argp + i) + (17)] = termios.c_cc[i] || 0;
|
|
}
|
|
return 0;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
case 21510:
|
|
case 21511:
|
|
case 21512:
|
|
{
|
|
if (!stream.tty) return -59;
|
|
return 0;
|
|
}
|
|
|
|
case 21506:
|
|
case 21507:
|
|
case 21508:
|
|
{
|
|
if (!stream.tty) return -59;
|
|
if (stream.tty.ops.ioctl_tcsets) {
|
|
var argp = syscallGetVarargP();
|
|
var c_iflag = HEAP32[((argp) >> 2)];
|
|
var c_oflag = HEAP32[(((argp) + (4)) >> 2)];
|
|
var c_cflag = HEAP32[(((argp) + (8)) >> 2)];
|
|
var c_lflag = HEAP32[(((argp) + (12)) >> 2)];
|
|
var c_cc = [];
|
|
for (var i = 0; i < 32; i++) {
|
|
c_cc.push(HEAP8[(argp + i) + (17)]);
|
|
}
|
|
return stream.tty.ops.ioctl_tcsets(stream.tty, op, {
|
|
c_iflag,
|
|
c_oflag,
|
|
c_cflag,
|
|
c_lflag,
|
|
c_cc
|
|
});
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
case 21519:
|
|
{
|
|
if (!stream.tty) return -59;
|
|
var argp = syscallGetVarargP();
|
|
HEAP32[((argp) >> 2)] = 0;
|
|
return 0;
|
|
}
|
|
|
|
case 21520:
|
|
{
|
|
if (!stream.tty) return -59;
|
|
return -28;
|
|
}
|
|
|
|
case 21537:
|
|
case 21531:
|
|
{
|
|
var argp = syscallGetVarargP();
|
|
return FS.ioctl(stream, op, argp);
|
|
}
|
|
|
|
case 21523:
|
|
{
|
|
// TODO: in theory we should write to the winsize struct that gets
|
|
// passed in, but for now musl doesn't read anything on it
|
|
if (!stream.tty) return -59;
|
|
if (stream.tty.ops.ioctl_tiocgwinsz) {
|
|
var winsize = stream.tty.ops.ioctl_tiocgwinsz(stream.tty);
|
|
var argp = syscallGetVarargP();
|
|
HEAP16[((argp) >> 1)] = winsize[0];
|
|
HEAP16[(((argp) + (2)) >> 1)] = winsize[1];
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
case 21524:
|
|
{
|
|
// TODO: technically, this ioctl call should change the window size.
|
|
// but, since emscripten doesn't have any concept of a terminal window
|
|
// yet, we'll just silently throw it away as we do TIOCGWINSZ
|
|
if (!stream.tty) return -59;
|
|
return 0;
|
|
}
|
|
|
|
case 21515:
|
|
{
|
|
if (!stream.tty) return -59;
|
|
return 0;
|
|
}
|
|
|
|
default:
|
|
return -28;
|
|
}
|
|
} catch (e) {
|
|
if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
|
|
return -e.errno;
|
|
}
|
|
}
|
|
|
|
function ___syscall_lstat64(path, buf) {
|
|
try {
|
|
path = SYSCALLS.getStr(path);
|
|
return SYSCALLS.writeStat(buf, FS.lstat(path));
|
|
} catch (e) {
|
|
if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
|
|
return -e.errno;
|
|
}
|
|
}
|
|
|
|
function ___syscall_newfstatat(dirfd, path, buf, flags) {
|
|
try {
|
|
path = SYSCALLS.getStr(path);
|
|
var nofollow = flags & 256;
|
|
var allowEmpty = flags & 4096;
|
|
flags = flags & (~6400);
|
|
path = SYSCALLS.calculateAt(dirfd, path, allowEmpty);
|
|
return SYSCALLS.writeStat(buf, nofollow ? FS.lstat(path) : FS.stat(path));
|
|
} catch (e) {
|
|
if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
|
|
return -e.errno;
|
|
}
|
|
}
|
|
|
|
function ___syscall_openat(dirfd, path, flags, varargs) {
|
|
SYSCALLS.varargs = varargs;
|
|
try {
|
|
path = SYSCALLS.getStr(path);
|
|
path = SYSCALLS.calculateAt(dirfd, path);
|
|
var mode = varargs ? syscallGetVarargI() : 0;
|
|
return FS.open(path, flags, mode).fd;
|
|
} catch (e) {
|
|
if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
|
|
return -e.errno;
|
|
}
|
|
}
|
|
|
|
function ___syscall_stat64(path, buf) {
|
|
try {
|
|
path = SYSCALLS.getStr(path);
|
|
return SYSCALLS.writeStat(buf, FS.stat(path));
|
|
} catch (e) {
|
|
if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
|
|
return -e.errno;
|
|
}
|
|
}
|
|
|
|
var __abort_js = () => abort("");
|
|
|
|
var __embind_register_bigint = (primitiveType, name, size, minRange, maxRange) => {};
|
|
|
|
var AsciiToString = ptr => {
|
|
var str = "";
|
|
while (1) {
|
|
var ch = HEAPU8[ptr++];
|
|
if (!ch) return str;
|
|
str += String.fromCharCode(ch);
|
|
}
|
|
};
|
|
|
|
var awaitingDependencies = {};
|
|
|
|
var registeredTypes = {};
|
|
|
|
var typeDependencies = {};
|
|
|
|
var 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 = {}) {
|
|
return sharedRegisterType(rawType, registeredInstance, options);
|
|
}
|
|
|
|
/** @suppress {globalThis} */ var __embind_register_bool = (rawType, name, trueValue, falseValue) => {
|
|
name = AsciiToString(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;
|
|
},
|
|
readValueFromPointer: function(pointer) {
|
|
return this.fromWireType(HEAPU8[pointer]);
|
|
},
|
|
destructorFunction: null
|
|
});
|
|
};
|
|
|
|
var emval_freelist = [];
|
|
|
|
var emval_handles = [ 0, 1, , 1, null, 1, true, 1, false, 1 ];
|
|
|
|
var __emval_decref = handle => {
|
|
if (handle > 9 && 0 === --emval_handles[handle + 1]) {
|
|
emval_handles[handle] = undefined;
|
|
emval_freelist.push(handle);
|
|
}
|
|
};
|
|
|
|
var Emval = {
|
|
toValue: handle => {
|
|
if (!handle) {
|
|
throwBindingError(`Cannot use deleted val. handle = ${handle}`);
|
|
}
|
|
return emval_handles[handle];
|
|
},
|
|
toHandle: value => {
|
|
switch (value) {
|
|
case undefined:
|
|
return 2;
|
|
|
|
case null:
|
|
return 4;
|
|
|
|
case true:
|
|
return 6;
|
|
|
|
case false:
|
|
return 8;
|
|
|
|
default:
|
|
{
|
|
const handle = emval_freelist.pop() || emval_handles.length;
|
|
emval_handles[handle] = value;
|
|
emval_handles[handle + 1] = 1;
|
|
return handle;
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
/** @suppress {globalThis} */ function readPointer(pointer) {
|
|
return this.fromWireType(HEAPU32[((pointer) >> 2)]);
|
|
}
|
|
|
|
var EmValType = {
|
|
name: "emscripten::val",
|
|
fromWireType: handle => {
|
|
var rv = Emval.toValue(handle);
|
|
__emval_decref(handle);
|
|
return rv;
|
|
},
|
|
toWireType: (destructors, value) => Emval.toHandle(value),
|
|
readValueFromPointer: readPointer,
|
|
destructorFunction: null
|
|
};
|
|
|
|
var __embind_register_emval = rawType => registerType(rawType, EmValType);
|
|
|
|
var floatReadValueFromPointer = (name, width) => {
|
|
switch (width) {
|
|
case 4:
|
|
return function(pointer) {
|
|
return this.fromWireType(HEAPF32[((pointer) >> 2)]);
|
|
};
|
|
|
|
case 8:
|
|
return function(pointer) {
|
|
return this.fromWireType(HEAPF64[((pointer) >> 3)]);
|
|
};
|
|
|
|
default:
|
|
throw new TypeError(`invalid float width (${width}): ${name}`);
|
|
}
|
|
};
|
|
|
|
var __embind_register_float = (rawType, name, size) => {
|
|
name = AsciiToString(name);
|
|
registerType(rawType, {
|
|
name,
|
|
fromWireType: value => value,
|
|
toWireType: (destructors, value) => value,
|
|
readValueFromPointer: floatReadValueFromPointer(name, size),
|
|
destructorFunction: null
|
|
});
|
|
};
|
|
|
|
var integerReadValueFromPointer = (name, width, signed) => {
|
|
// integers are quite common, so generate very specialized functions
|
|
switch (width) {
|
|
case 1:
|
|
return signed ? pointer => HEAP8[pointer] : pointer => HEAPU8[pointer];
|
|
|
|
case 2:
|
|
return signed ? pointer => HEAP16[((pointer) >> 1)] : pointer => HEAPU16[((pointer) >> 1)];
|
|
|
|
case 4:
|
|
return signed ? pointer => HEAP32[((pointer) >> 2)] : pointer => HEAPU32[((pointer) >> 2)];
|
|
|
|
default:
|
|
throw new TypeError(`invalid integer width (${width}): ${name}`);
|
|
}
|
|
};
|
|
|
|
/** @suppress {globalThis} */ var __embind_register_integer = (primitiveType, name, size, minRange, maxRange) => {
|
|
name = AsciiToString(name);
|
|
const isUnsignedType = minRange === 0;
|
|
let fromWireType = value => value;
|
|
if (isUnsignedType) {
|
|
var bitshift = 32 - 8 * size;
|
|
fromWireType = value => (value << bitshift) >>> bitshift;
|
|
maxRange = fromWireType(maxRange);
|
|
}
|
|
registerType(primitiveType, {
|
|
name,
|
|
fromWireType,
|
|
toWireType: (destructors, value) => value,
|
|
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 ];
|
|
var TA = typeMapping[dataTypeIndex];
|
|
function decodeMemoryView(handle) {
|
|
var size = HEAPU32[((handle) >> 2)];
|
|
var data = HEAPU32[(((handle) + (4)) >> 2)];
|
|
return new TA(HEAP8.buffer, data, size);
|
|
}
|
|
name = AsciiToString(name);
|
|
registerType(rawType, {
|
|
name,
|
|
fromWireType: decodeMemoryView,
|
|
readValueFromPointer: decodeMemoryView
|
|
}, {
|
|
ignoreDuplicateRegistrations: true
|
|
});
|
|
};
|
|
|
|
var stringToUTF8 = (str, outPtr, maxBytesToWrite) => stringToUTF8Array(str, HEAPU8, outPtr, maxBytesToWrite);
|
|
|
|
var __embind_register_std_string = (rawType, name) => {
|
|
name = AsciiToString(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 = HEAPU32[((value) >> 2)];
|
|
var payload = value + 4;
|
|
var str;
|
|
if (stdStringIsUTF8) {
|
|
str = UTF8ToString(payload, length, true);
|
|
} else {
|
|
str = "";
|
|
for (var i = 0; i < length; ++i) {
|
|
str += String.fromCharCode(HEAPU8[payload + i]);
|
|
}
|
|
}
|
|
_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;
|
|
HEAPU32[((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");
|
|
}
|
|
HEAPU8[ptr + i] = charCode;
|
|
}
|
|
}
|
|
} else {
|
|
HEAPU8.set(value, ptr);
|
|
}
|
|
if (destructors !== null) {
|
|
destructors.push(_free, base);
|
|
}
|
|
return base;
|
|
},
|
|
readValueFromPointer: readPointer,
|
|
destructorFunction(ptr) {
|
|
_free(ptr);
|
|
}
|
|
});
|
|
};
|
|
|
|
var UTF16Decoder = new TextDecoder("utf-16le");
|
|
|
|
var UTF16ToString = (ptr, maxBytesToRead, ignoreNul) => {
|
|
var idx = ((ptr) >> 1);
|
|
var endIdx = findStringEnd(HEAPU16, idx, maxBytesToRead / 2, ignoreNul);
|
|
return UTF16Decoder.decode(HEAPU16.subarray(idx, endIdx));
|
|
};
|
|
|
|
var stringToUTF16 = (str, outPtr, maxBytesToWrite) => {
|
|
// 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
|
|
HEAP16[((outPtr) >> 1)] = codeUnit;
|
|
outPtr += 2;
|
|
}
|
|
// Null-terminate the pointer to the HEAP.
|
|
HEAP16[((outPtr) >> 1)] = 0;
|
|
return outPtr - startPtr;
|
|
};
|
|
|
|
var lengthBytesUTF16 = str => str.length * 2;
|
|
|
|
var UTF32ToString = (ptr, maxBytesToRead, ignoreNul) => {
|
|
var str = "";
|
|
var startIdx = ((ptr) >> 2);
|
|
// If maxBytesToRead is not passed explicitly, it will be undefined, and this
|
|
// will always evaluate to true. This saves on code size.
|
|
for (var i = 0; !(i >= maxBytesToRead / 4); i++) {
|
|
var utf32 = HEAPU32[startIdx + i];
|
|
if (!utf32 && !ignoreNul) break;
|
|
str += String.fromCodePoint(utf32);
|
|
}
|
|
return str;
|
|
};
|
|
|
|
var stringToUTF32 = (str, outPtr, maxBytesToWrite) => {
|
|
// 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) {
|
|
var codePoint = str.codePointAt(i);
|
|
// Gotcha: if codePoint is over 0xFFFF, it is represented as a surrogate pair in UTF-16.
|
|
// We need to manually skip over the second code unit for correct iteration.
|
|
if (codePoint > 65535) {
|
|
i++;
|
|
}
|
|
HEAP32[((outPtr) >> 2)] = codePoint;
|
|
outPtr += 4;
|
|
if (outPtr + 4 > endPtr) break;
|
|
}
|
|
// Null-terminate the pointer to the HEAP.
|
|
HEAP32[((outPtr) >> 2)] = 0;
|
|
return outPtr - startPtr;
|
|
};
|
|
|
|
var lengthBytesUTF32 = str => {
|
|
var len = 0;
|
|
for (var i = 0; i < str.length; ++i) {
|
|
var codePoint = str.codePointAt(i);
|
|
// Gotcha: if codePoint is over 0xFFFF, it is represented as a surrogate pair in UTF-16.
|
|
// We need to manually skip over the second code unit for correct iteration.
|
|
if (codePoint > 65535) {
|
|
i++;
|
|
}
|
|
len += 4;
|
|
}
|
|
return len;
|
|
};
|
|
|
|
var __embind_register_std_wstring = (rawType, charSize, name) => {
|
|
name = AsciiToString(name);
|
|
var decodeString, encodeString, lengthBytesUTF;
|
|
if (charSize === 2) {
|
|
decodeString = UTF16ToString;
|
|
encodeString = stringToUTF16;
|
|
lengthBytesUTF = lengthBytesUTF16;
|
|
} else {
|
|
decodeString = UTF32ToString;
|
|
encodeString = stringToUTF32;
|
|
lengthBytesUTF = lengthBytesUTF32;
|
|
}
|
|
registerType(rawType, {
|
|
name,
|
|
fromWireType: value => {
|
|
// Code mostly taken from _embind_register_std_string fromWireType
|
|
var length = HEAPU32[((value) >> 2)];
|
|
var str = decodeString(value + 4, length * charSize, true);
|
|
_free(value);
|
|
return str;
|
|
},
|
|
toWireType: (destructors, value) => {
|
|
if (!(typeof value == "string")) {
|
|
throwBindingError(`Cannot pass non-string to C++ string type ${name}`);
|
|
}
|
|
// assumes POINTER_SIZE alignment
|
|
var length = lengthBytesUTF(value);
|
|
var ptr = _malloc(4 + length + charSize);
|
|
HEAPU32[((ptr) >> 2)] = length / charSize;
|
|
encodeString(value, ptr + 4, length + charSize);
|
|
if (destructors !== null) {
|
|
destructors.push(_free, ptr);
|
|
}
|
|
return ptr;
|
|
},
|
|
readValueFromPointer: readPointer,
|
|
destructorFunction(ptr) {
|
|
_free(ptr);
|
|
}
|
|
});
|
|
};
|
|
|
|
var __embind_register_void = (rawType, name) => {
|
|
name = AsciiToString(name);
|
|
registerType(rawType, {
|
|
isVoid: true,
|
|
// void return values can be optimized out sometimes
|
|
name,
|
|
fromWireType: () => undefined,
|
|
// TODO: assert if anything else is given?
|
|
toWireType: (destructors, o) => undefined
|
|
});
|
|
};
|
|
|
|
var emval_methodCallers = [];
|
|
|
|
var emval_addMethodCaller = caller => {
|
|
var id = emval_methodCallers.length;
|
|
emval_methodCallers.push(caller);
|
|
return id;
|
|
};
|
|
|
|
var getTypeName = type => {
|
|
var ptr = ___getTypeName(type);
|
|
var rv = AsciiToString(ptr);
|
|
_free(ptr);
|
|
return rv;
|
|
};
|
|
|
|
var requireRegisteredType = (rawType, humanName) => {
|
|
var impl = registeredTypes[rawType];
|
|
if (undefined === impl) {
|
|
throwBindingError(`${humanName} has unknown type ${getTypeName(rawType)}`);
|
|
}
|
|
return impl;
|
|
};
|
|
|
|
var emval_lookupTypes = (argCount, argTypes) => {
|
|
var a = new Array(argCount);
|
|
for (var i = 0; i < argCount; ++i) {
|
|
a[i] = requireRegisteredType(HEAPU32[(((argTypes) + (i * 4)) >> 2)], `parameter ${i}`);
|
|
}
|
|
return a;
|
|
};
|
|
|
|
var createNamedFunction = (name, func) => Object.defineProperty(func, "name", {
|
|
value: name
|
|
});
|
|
|
|
var emval_returnValue = (toReturnWire, destructorsRef, handle) => {
|
|
var destructors = [];
|
|
var result = toReturnWire(destructors, handle);
|
|
if (destructors.length) {
|
|
// void, primitives and any other types w/o destructors don't need to allocate a handle
|
|
HEAPU32[((destructorsRef) >> 2)] = Emval.toHandle(destructors);
|
|
}
|
|
return result;
|
|
};
|
|
|
|
var emval_symbols = {};
|
|
|
|
var getStringOrSymbol = address => {
|
|
var symbol = emval_symbols[address];
|
|
if (symbol === undefined) {
|
|
return AsciiToString(address);
|
|
}
|
|
return symbol;
|
|
};
|
|
|
|
var __emval_create_invoker = (argCount, argTypesPtr, kind) => {
|
|
var GenericWireTypeSize = 8;
|
|
var [retType, ...argTypes] = emval_lookupTypes(argCount, argTypesPtr);
|
|
var toReturnWire = retType.toWireType.bind(retType);
|
|
var argFromPtr = argTypes.map(type => type.readValueFromPointer.bind(type));
|
|
argCount--;
|
|
// remove the extracted return type
|
|
var argN = new Array(argCount);
|
|
var invokerFunction = (handle, methodName, destructorsRef, args) => {
|
|
var offset = 0;
|
|
for (var i = 0; i < argCount; ++i) {
|
|
argN[i] = argFromPtr[i](args + offset);
|
|
offset += GenericWireTypeSize;
|
|
}
|
|
var rv;
|
|
switch (kind) {
|
|
case 0:
|
|
rv = Emval.toValue(handle).apply(null, argN);
|
|
break;
|
|
|
|
case 2:
|
|
rv = Reflect.construct(Emval.toValue(handle), argN);
|
|
break;
|
|
|
|
case 3:
|
|
// no-op, just return the argument
|
|
rv = argN[0];
|
|
break;
|
|
|
|
case 1:
|
|
rv = Emval.toValue(handle)[getStringOrSymbol(methodName)](...argN);
|
|
break;
|
|
}
|
|
return emval_returnValue(toReturnWire, destructorsRef, rv);
|
|
};
|
|
var functionName = `methodCaller<(${argTypes.map(t => t.name)}) => ${retType.name}>`;
|
|
return emval_addMethodCaller(createNamedFunction(functionName, invokerFunction));
|
|
};
|
|
|
|
var __emval_get_global = name => {
|
|
if (!name) {
|
|
return Emval.toHandle(globalThis);
|
|
}
|
|
name = getStringOrSymbol(name);
|
|
return Emval.toHandle(globalThis[name]);
|
|
};
|
|
|
|
var __emval_get_property = (handle, key) => {
|
|
handle = Emval.toValue(handle);
|
|
key = Emval.toValue(key);
|
|
return Emval.toHandle(handle[key]);
|
|
};
|
|
|
|
var __emval_incref = handle => {
|
|
if (handle > 9) {
|
|
emval_handles[handle + 1] += 1;
|
|
}
|
|
};
|
|
|
|
var __emval_instanceof = (object, constructor) => {
|
|
object = Emval.toValue(object);
|
|
constructor = Emval.toValue(constructor);
|
|
return object instanceof constructor;
|
|
};
|
|
|
|
var __emval_invoke = (caller, handle, methodName, destructorsRef, args) => emval_methodCallers[caller](handle, methodName, destructorsRef, args);
|
|
|
|
var __emval_new_cstring = v => Emval.toHandle(getStringOrSymbol(v));
|
|
|
|
var runDestructors = destructors => {
|
|
while (destructors.length) {
|
|
var ptr = destructors.pop();
|
|
var del = destructors.pop();
|
|
del(ptr);
|
|
}
|
|
};
|
|
|
|
var __emval_run_destructors = handle => {
|
|
var destructors = Emval.toValue(handle);
|
|
runDestructors(destructors);
|
|
__emval_decref(handle);
|
|
};
|
|
|
|
var __emval_set_property = (handle, key, value) => {
|
|
handle = Emval.toValue(handle);
|
|
key = Emval.toValue(key);
|
|
value = Emval.toValue(value);
|
|
handle[key] = value;
|
|
};
|
|
|
|
var __emval_typeof = handle => {
|
|
handle = Emval.toValue(handle);
|
|
return Emval.toHandle(typeof handle);
|
|
};
|
|
|
|
function __gmtime_js(time_low, time_high, tmPtr) {
|
|
var time = convertI32PairToI53Checked(time_low, time_high);
|
|
var date = new Date(time * 1e3);
|
|
HEAP32[((tmPtr) >> 2)] = date.getUTCSeconds();
|
|
HEAP32[(((tmPtr) + (4)) >> 2)] = date.getUTCMinutes();
|
|
HEAP32[(((tmPtr) + (8)) >> 2)] = date.getUTCHours();
|
|
HEAP32[(((tmPtr) + (12)) >> 2)] = date.getUTCDate();
|
|
HEAP32[(((tmPtr) + (16)) >> 2)] = date.getUTCMonth();
|
|
HEAP32[(((tmPtr) + (20)) >> 2)] = date.getUTCFullYear() - 1900;
|
|
HEAP32[(((tmPtr) + (24)) >> 2)] = date.getUTCDay();
|
|
var start = Date.UTC(date.getUTCFullYear(), 0, 1, 0, 0, 0, 0);
|
|
var yday = ((date.getTime() - start) / (1e3 * 60 * 60 * 24)) | 0;
|
|
HEAP32[(((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_low, time_high, tmPtr) {
|
|
var time = convertI32PairToI53Checked(time_low, time_high);
|
|
var date = new Date(time * 1e3);
|
|
HEAP32[((tmPtr) >> 2)] = date.getSeconds();
|
|
HEAP32[(((tmPtr) + (4)) >> 2)] = date.getMinutes();
|
|
HEAP32[(((tmPtr) + (8)) >> 2)] = date.getHours();
|
|
HEAP32[(((tmPtr) + (12)) >> 2)] = date.getDate();
|
|
HEAP32[(((tmPtr) + (16)) >> 2)] = date.getMonth();
|
|
HEAP32[(((tmPtr) + (20)) >> 2)] = date.getFullYear() - 1900;
|
|
HEAP32[(((tmPtr) + (24)) >> 2)] = date.getDay();
|
|
var yday = ydayFromDate(date) | 0;
|
|
HEAP32[(((tmPtr) + (28)) >> 2)] = yday;
|
|
HEAP32[(((tmPtr) + (36)) >> 2)] = -(date.getTimezoneOffset() * 60);
|
|
// Attention: DST is in December in South, and some regions don't have DST at all.
|
|
var 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;
|
|
HEAP32[(((tmPtr) + (32)) >> 2)] = dst;
|
|
}
|
|
|
|
var setTempRet0 = val => __emscripten_tempret_set(val);
|
|
|
|
var __mktime_js = function(tmPtr) {
|
|
var ret = (() => {
|
|
var date = new Date(HEAP32[(((tmPtr) + (20)) >> 2)] + 1900, HEAP32[(((tmPtr) + (16)) >> 2)], HEAP32[(((tmPtr) + (12)) >> 2)], HEAP32[(((tmPtr) + (8)) >> 2)], HEAP32[(((tmPtr) + (4)) >> 2)], HEAP32[((tmPtr) >> 2)], 0);
|
|
// There's an ambiguous hour when the time goes back; the tm_isdst field is
|
|
// used to disambiguate it. Date() basically guesses, so we fix it up if it
|
|
// guessed wrong, or fill in tm_isdst with the guess if it's -1.
|
|
var dst = HEAP32[(((tmPtr) + (32)) >> 2)];
|
|
var guessedOffset = date.getTimezoneOffset();
|
|
var start = new Date(date.getFullYear(), 0, 1);
|
|
var summerOffset = new Date(date.getFullYear(), 6, 1).getTimezoneOffset();
|
|
var winterOffset = start.getTimezoneOffset();
|
|
var dstOffset = Math.min(winterOffset, summerOffset);
|
|
// DST is in December in South
|
|
if (dst < 0) {
|
|
// Attention: some regions don't have DST at all.
|
|
HEAP32[(((tmPtr) + (32)) >> 2)] = Number(summerOffset != winterOffset && dstOffset == guessedOffset);
|
|
} else if ((dst > 0) != (dstOffset == guessedOffset)) {
|
|
var nonDstOffset = Math.max(winterOffset, summerOffset);
|
|
var trueOffset = dst > 0 ? dstOffset : nonDstOffset;
|
|
// Don't try setMinutes(date.getMinutes() + ...) -- it's messed up.
|
|
date.setTime(date.getTime() + (trueOffset - guessedOffset) * 6e4);
|
|
}
|
|
HEAP32[(((tmPtr) + (24)) >> 2)] = date.getDay();
|
|
var yday = ydayFromDate(date) | 0;
|
|
HEAP32[(((tmPtr) + (28)) >> 2)] = yday;
|
|
// To match expected behavior, update fields from date
|
|
HEAP32[((tmPtr) >> 2)] = date.getSeconds();
|
|
HEAP32[(((tmPtr) + (4)) >> 2)] = date.getMinutes();
|
|
HEAP32[(((tmPtr) + (8)) >> 2)] = date.getHours();
|
|
HEAP32[(((tmPtr) + (12)) >> 2)] = date.getDate();
|
|
HEAP32[(((tmPtr) + (16)) >> 2)] = date.getMonth();
|
|
HEAP32[(((tmPtr) + (20)) >> 2)] = date.getYear();
|
|
var timeMs = date.getTime();
|
|
if (isNaN(timeMs)) {
|
|
return -1;
|
|
}
|
|
// Return time in microseconds
|
|
return timeMs / 1e3;
|
|
})();
|
|
return (setTempRet0((tempDouble = ret, (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0)),
|
|
ret >>> 0);
|
|
};
|
|
|
|
function __mmap_js(len, prot, flags, fd, offset_low, offset_high, allocated, addr) {
|
|
var offset = convertI32PairToI53Checked(offset_low, offset_high);
|
|
try {
|
|
var stream = SYSCALLS.getStreamFromFD(fd);
|
|
var res = FS.mmap(stream, len, offset, prot, flags);
|
|
var ptr = res.ptr;
|
|
HEAP32[((allocated) >> 2)] = res.allocated;
|
|
HEAPU32[((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_low, offset_high) {
|
|
var offset = convertI32PairToI53Checked(offset_low, offset_high);
|
|
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 __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
|
|
HEAPU32[((timezone) >> 2)] = stdTimezoneOffset * 60;
|
|
HEAP32[((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);
|
|
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_get_now = () => performance.now();
|
|
|
|
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_low, ignored_precision_high, ptime) {
|
|
var ignored_precision = convertI32PairToI53Checked(ignored_precision_low, ignored_precision_high);
|
|
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);
|
|
(tempI64 = [ nsec >>> 0, (tempDouble = nsec, (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ],
|
|
HEAP32[((ptime) >> 2)] = tempI64[0], HEAP32[(((ptime) + (4)) >> 2)] = tempI64[1]);
|
|
return 0;
|
|
}
|
|
|
|
var readEmAsmArgsArray = [];
|
|
|
|
var readEmAsmArgs = (sigPtr, buf) => {
|
|
readEmAsmArgsArray.length = 0;
|
|
var ch;
|
|
// Most arguments are i32s, so shift the buffer pointer so it is a plain
|
|
// index into HEAP32.
|
|
while (ch = HEAPU8[sigPtr++]) {
|
|
// Floats are always passed as doubles, so all types except for 'i'
|
|
// are 8 bytes and require alignment.
|
|
var wide = (ch != 105);
|
|
wide &= (ch != 112);
|
|
buf += wide && (buf % 8) ? 4 : 0;
|
|
readEmAsmArgsArray.push(// Special case for pointers under wasm64 or CAN_ADDRESS_2GB mode.
|
|
ch == 112 ? HEAPU32[((buf) >> 2)] : ch == 105 ? HEAP32[((buf) >> 2)] : HEAPF64[((buf) >> 3)]);
|
|
buf += wide ? 8 : 4;
|
|
}
|
|
return readEmAsmArgsArray;
|
|
};
|
|
|
|
var runEmAsmFunction = (code, sigPtr, argbuf) => {
|
|
var args = readEmAsmArgs(sigPtr, argbuf);
|
|
return ASM_CONSTS[code](...args);
|
|
};
|
|
|
|
var _emscripten_asm_const_int = (code, sigPtr, argbuf) => runEmAsmFunction(code, sigPtr, argbuf);
|
|
|
|
var _emscripten_asm_const_ptr = (code, sigPtr, argbuf) => runEmAsmFunction(code, sigPtr, argbuf);
|
|
|
|
var _emscripten_errn = (str, len) => err(UTF8ToString(str, len));
|
|
|
|
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_has_asyncify = () => 0;
|
|
|
|
var _emscripten_outn = (str, len) => out(UTF8ToString(str, len));
|
|
|
|
var UNWIND_CACHE = {};
|
|
|
|
var stringToNewUTF8 = str => {
|
|
var size = lengthBytesUTF8(str) + 1;
|
|
var ret = _malloc(size);
|
|
if (ret) stringToUTF8(str, ret, size);
|
|
return ret;
|
|
};
|
|
|
|
/** @returns {number} */ var convertFrameToPC = frame => {
|
|
var match;
|
|
if (match = /\bwasm-function\[\d+\]:(0x[0-9a-f]+)/.exec(frame)) {
|
|
// Wasm engines give the binary offset directly, so we use that as return address
|
|
return +match[1];
|
|
} else if (match = /:(\d+):\d+(?:\)|$)/.exec(frame)) {
|
|
// If we are in js, we can use the js line number as the "return address".
|
|
// This should work for wasm2js. We tag the high bit to distinguish this
|
|
// from wasm addresses.
|
|
return 2147483648 | +match[1];
|
|
}
|
|
// return 0 if we can't find any
|
|
return 0;
|
|
};
|
|
|
|
var saveInUnwindCache = callstack => {
|
|
for (var line of callstack) {
|
|
var pc = convertFrameToPC(line);
|
|
if (pc) {
|
|
UNWIND_CACHE[pc] = line;
|
|
}
|
|
}
|
|
};
|
|
|
|
var jsStackTrace = () => (new Error).stack.toString();
|
|
|
|
var _emscripten_stack_snapshot = () => {
|
|
var callstack = jsStackTrace().split("\n");
|
|
if (callstack[0] == "Error") {
|
|
callstack.shift();
|
|
}
|
|
saveInUnwindCache(callstack);
|
|
// Caches the stack snapshot so that emscripten_stack_unwind_buffer() can
|
|
// unwind from this spot.
|
|
UNWIND_CACHE.last_addr = convertFrameToPC(callstack[3]);
|
|
UNWIND_CACHE.last_stack = callstack;
|
|
return UNWIND_CACHE.last_addr;
|
|
};
|
|
|
|
var _emscripten_pc_get_function = pc => {
|
|
var frame = UNWIND_CACHE[pc];
|
|
if (!frame) return 0;
|
|
var name;
|
|
var match;
|
|
// First try to match foo.wasm.sym files explcitly. e.g.
|
|
// at test_return_address.wasm.main (wasm://wasm/test_return_address.wasm-0012cc2a:wasm-function[26]:0x9f3
|
|
// Then match JS symbols which don't include that module name:
|
|
// at invokeEntryPoint (.../test_return_address.js:1500:42)
|
|
// Finally match firefox format:
|
|
// Object._main@http://server.com:4324:12'
|
|
if (match = /^\s+at .*\.wasm\.(.*) \(.*\)$/.exec(frame)) {
|
|
name = match[1];
|
|
} else if (match = /^\s+at (.*) \(.*\)$/.exec(frame)) {
|
|
name = match[1];
|
|
} else if (match = /^(.+?)@/.exec(frame)) {
|
|
name = match[1];
|
|
} else {
|
|
return 0;
|
|
}
|
|
_free(_emscripten_pc_get_function.ret ?? 0);
|
|
_emscripten_pc_get_function.ret = stringToNewUTF8(name);
|
|
return _emscripten_pc_get_function.ret;
|
|
};
|
|
|
|
var growMemory = size => {
|
|
var oldHeapSize = wasmMemory.buffer.byteLength;
|
|
var pages = ((size - oldHeapSize + 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) {}
|
|
};
|
|
|
|
var _emscripten_resize_heap = requestedSize => {
|
|
var oldSize = HEAPU8.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.
|
|
// 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) {
|
|
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;
|
|
}
|
|
}
|
|
return false;
|
|
};
|
|
|
|
var _emscripten_stack_unwind_buffer = (addr, buffer, count) => {
|
|
var stack;
|
|
if (UNWIND_CACHE.last_addr == addr) {
|
|
stack = UNWIND_CACHE.last_stack;
|
|
} else {
|
|
stack = jsStackTrace().split("\n");
|
|
if (stack[0] == "Error") {
|
|
stack.shift();
|
|
}
|
|
saveInUnwindCache(stack);
|
|
}
|
|
var offset = 3;
|
|
while (stack[offset] && convertFrameToPC(stack[offset]) != addr) {
|
|
++offset;
|
|
}
|
|
for (var i = 0; i < count && stack[i + offset]; ++i) {
|
|
HEAP32[(((buffer) + (i * 4)) >> 2)] = convertFrameToPC(stack[i + offset]);
|
|
}
|
|
return i;
|
|
};
|
|
|
|
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 registerPreMainLoop = f => {
|
|
// Does nothing unless $MainLoop is included/used.
|
|
typeof MainLoop != "undefined" && MainLoop.preMainLoop.push(f);
|
|
};
|
|
|
|
var GL = {
|
|
counter: 1,
|
|
buffers: [],
|
|
mappedBuffers: {},
|
|
programs: [],
|
|
framebuffers: [],
|
|
renderbuffers: [],
|
|
textures: [],
|
|
shaders: [],
|
|
vaos: [],
|
|
contexts: [],
|
|
offscreenCanvases: {},
|
|
queries: [],
|
|
samplers: [],
|
|
transformFeedbacks: [],
|
|
syncs: [],
|
|
byteSizeByTypeRoot: 5120,
|
|
byteSizeByType: [ 1, 1, 2, 2, 4, 4, 4, 2, 3, 4, 8 ],
|
|
stringCache: {},
|
|
stringiCache: {},
|
|
unpackAlignment: 4,
|
|
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;
|
|
}
|
|
// Skip over any non-null elements that might have been created by
|
|
// glBindBuffer.
|
|
while (table[ret]) {
|
|
ret = GL.counter++;
|
|
}
|
|
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);
|
|
}
|
|
HEAP32[(((buffers) + (i * 4)) >> 2)] = id;
|
|
}
|
|
},
|
|
MAX_TEMP_BUFFER_SIZE: 2097152,
|
|
numTempVertexBuffersPerSize: 64,
|
|
log2ceilLookup: i => 32 - Math.clz32(i === 0 ? 0 : i - 1),
|
|
generateTempBuffers: (quads, context) => {
|
|
var largestIndex = GL.log2ceilLookup(GL.MAX_TEMP_BUFFER_SIZE);
|
|
context.tempVertexBufferCounters1 = [];
|
|
context.tempVertexBufferCounters2 = [];
|
|
context.tempVertexBufferCounters1.length = context.tempVertexBufferCounters2.length = largestIndex + 1;
|
|
context.tempVertexBuffers1 = [];
|
|
context.tempVertexBuffers2 = [];
|
|
context.tempVertexBuffers1.length = context.tempVertexBuffers2.length = largestIndex + 1;
|
|
context.tempIndexBuffers = [];
|
|
context.tempIndexBuffers.length = largestIndex + 1;
|
|
for (var i = 0; i <= largestIndex; ++i) {
|
|
context.tempIndexBuffers[i] = null;
|
|
// Created on-demand
|
|
context.tempVertexBufferCounters1[i] = context.tempVertexBufferCounters2[i] = 0;
|
|
var ringbufferLength = GL.numTempVertexBuffersPerSize;
|
|
context.tempVertexBuffers1[i] = [];
|
|
context.tempVertexBuffers2[i] = [];
|
|
var ringbuffer1 = context.tempVertexBuffers1[i];
|
|
var ringbuffer2 = context.tempVertexBuffers2[i];
|
|
ringbuffer1.length = ringbuffer2.length = ringbufferLength;
|
|
for (var j = 0; j < ringbufferLength; ++j) {
|
|
ringbuffer1[j] = ringbuffer2[j] = null;
|
|
}
|
|
}
|
|
if (quads) {
|
|
// GL_QUAD indexes can be precalculated
|
|
context.tempQuadIndexBuffer = GLctx.createBuffer();
|
|
context.GLctx.bindBuffer(34963, context.tempQuadIndexBuffer);
|
|
var numIndexes = GL.MAX_TEMP_BUFFER_SIZE >> 1;
|
|
var quadIndexes = new Uint16Array(numIndexes);
|
|
var i = 0, v = 0;
|
|
while (1) {
|
|
quadIndexes[i++] = v;
|
|
if (i >= numIndexes) break;
|
|
quadIndexes[i++] = v + 1;
|
|
if (i >= numIndexes) break;
|
|
quadIndexes[i++] = v + 2;
|
|
if (i >= numIndexes) break;
|
|
quadIndexes[i++] = v;
|
|
if (i >= numIndexes) break;
|
|
quadIndexes[i++] = v + 2;
|
|
if (i >= numIndexes) break;
|
|
quadIndexes[i++] = v + 3;
|
|
if (i >= numIndexes) break;
|
|
v += 4;
|
|
}
|
|
context.GLctx.bufferData(34963, quadIndexes, 35044);
|
|
context.GLctx.bindBuffer(34963, null);
|
|
}
|
|
},
|
|
getTempVertexBuffer: sizeBytes => {
|
|
var idx = GL.log2ceilLookup(sizeBytes);
|
|
var ringbuffer = GL.currentContext.tempVertexBuffers1[idx];
|
|
var nextFreeBufferIndex = GL.currentContext.tempVertexBufferCounters1[idx];
|
|
GL.currentContext.tempVertexBufferCounters1[idx] = (GL.currentContext.tempVertexBufferCounters1[idx] + 1) & (GL.numTempVertexBuffersPerSize - 1);
|
|
var vbo = ringbuffer[nextFreeBufferIndex];
|
|
if (vbo) {
|
|
return vbo;
|
|
}
|
|
var prevVBO = GLctx.getParameter(34964);
|
|
ringbuffer[nextFreeBufferIndex] = GLctx.createBuffer();
|
|
GLctx.bindBuffer(34962, ringbuffer[nextFreeBufferIndex]);
|
|
GLctx.bufferData(34962, 1 << idx, 35048);
|
|
GLctx.bindBuffer(34962, prevVBO);
|
|
return ringbuffer[nextFreeBufferIndex];
|
|
},
|
|
getTempIndexBuffer: sizeBytes => {
|
|
var idx = GL.log2ceilLookup(sizeBytes);
|
|
var ibo = GL.currentContext.tempIndexBuffers[idx];
|
|
if (ibo) {
|
|
return ibo;
|
|
}
|
|
var prevIBO = GLctx.getParameter(34965);
|
|
GL.currentContext.tempIndexBuffers[idx] = GLctx.createBuffer();
|
|
GLctx.bindBuffer(34963, GL.currentContext.tempIndexBuffers[idx]);
|
|
GLctx.bufferData(34963, 1 << idx, 35048);
|
|
GLctx.bindBuffer(34963, prevIBO);
|
|
return GL.currentContext.tempIndexBuffers[idx];
|
|
},
|
|
newRenderingFrameStarted: () => {
|
|
if (!GL.currentContext) {
|
|
return;
|
|
}
|
|
var vb = GL.currentContext.tempVertexBuffers1;
|
|
GL.currentContext.tempVertexBuffers1 = GL.currentContext.tempVertexBuffers2;
|
|
GL.currentContext.tempVertexBuffers2 = vb;
|
|
vb = GL.currentContext.tempVertexBufferCounters1;
|
|
GL.currentContext.tempVertexBufferCounters1 = GL.currentContext.tempVertexBufferCounters2;
|
|
GL.currentContext.tempVertexBufferCounters2 = vb;
|
|
var largestIndex = GL.log2ceilLookup(GL.MAX_TEMP_BUFFER_SIZE);
|
|
for (var i = 0; i <= largestIndex; ++i) {
|
|
GL.currentContext.tempVertexBufferCounters1[i] = 0;
|
|
}
|
|
},
|
|
getSource: (shader, count, string, length) => {
|
|
var source = "";
|
|
for (var i = 0; i < count; ++i) {
|
|
var len = length ? HEAPU32[(((length) + (i * 4)) >> 2)] : undefined;
|
|
source += UTF8ToString(HEAPU32[(((string) + (i * 4)) >> 2)], len);
|
|
}
|
|
return source;
|
|
},
|
|
calcBufLength: (size, type, stride, count) => {
|
|
if (stride > 0) {
|
|
return count * stride;
|
|
}
|
|
var typeSize = GL.byteSizeByType[type - GL.byteSizeByTypeRoot];
|
|
return size * typeSize * count;
|
|
},
|
|
usedTempBuffers: [],
|
|
preDrawHandleClientVertexAttribBindings: count => {
|
|
GL.resetBufferBinding = false;
|
|
// TODO: initial pass to detect ranges we need to upload, might not need
|
|
// an upload per attrib
|
|
for (var i = 0; i < GL.currentContext.maxVertexAttribs; ++i) {
|
|
var cb = GL.currentContext.clientBuffers[i];
|
|
if (!cb.clientside || !cb.enabled) continue;
|
|
GL.resetBufferBinding = true;
|
|
var size = GL.calcBufLength(cb.size, cb.type, cb.stride, count);
|
|
var buf = GL.getTempVertexBuffer(size);
|
|
GLctx.bindBuffer(34962, buf);
|
|
GLctx.bufferSubData(34962, 0, HEAPU8.subarray(cb.ptr, cb.ptr + size));
|
|
cb.vertexAttribPointerAdaptor.call(GLctx, i, cb.size, cb.type, cb.normalized, cb.stride, 0);
|
|
}
|
|
},
|
|
postDrawHandleClientVertexAttribBindings: () => {
|
|
if (GL.resetBufferBinding) {
|
|
GLctx.bindBuffer(34962, GL.buffers[GLctx.currentArrayBufferBinding]);
|
|
}
|
|
},
|
|
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://webkit.org/b/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) => {
|
|
// without pthreads a context is just an integer ID
|
|
var handle = GL.getNewId(GL.contexts);
|
|
var context = {
|
|
handle,
|
|
attributes: webGLContextAttributes,
|
|
version: webGLContextAttributes.majorVersion,
|
|
GLctx: ctx
|
|
};
|
|
// Store the created context object so that we can access the context
|
|
// given a canvas without having to pass the parameters again.
|
|
if (ctx.canvas) ctx.canvas.GLctxObject = context;
|
|
GL.contexts[handle] = context;
|
|
if (typeof webGLContextAttributes.enableExtensionsByDefault == "undefined" || webGLContextAttributes.enableExtensionsByDefault) {
|
|
GL.initExtensions(context);
|
|
}
|
|
context.maxVertexAttribs = context.GLctx.getParameter(34921);
|
|
context.clientBuffers = [];
|
|
for (var i = 0; i < context.maxVertexAttribs; i++) {
|
|
context.clientBuffers[i] = {
|
|
enabled: false,
|
|
clientside: false,
|
|
size: 0,
|
|
type: 0,
|
|
normalized: 0,
|
|
stride: 0,
|
|
ptr: 0,
|
|
vertexAttribPointerAdaptor: null
|
|
};
|
|
}
|
|
GL.generateTempBuffers(false, context);
|
|
return handle;
|
|
},
|
|
makeContextCurrent: 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;
|
|
}
|
|
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, since the 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://bugzil.la/1328882
|
|
if (context.version < 2 || !GLctx.disjointTimerQueryExt) {
|
|
GLctx.disjointTimerQueryExt = GLctx.getExtension("EXT_disjoint_timer_query");
|
|
}
|
|
for (var ext of getEmscriptenSupportedExtensions(GLctx)) {
|
|
// 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 webglPowerPreferences = [ "default", "low-power", "high-performance" ];
|
|
|
|
/** @type {Object} */ var specialHTMLTargets = [ 0, globalThis.document ?? 0, globalThis.window ?? 0 ];
|
|
|
|
var findEventTarget = target => {
|
|
// The sensible "default" target varies between events, but use window as the default
|
|
// since DOM events mostly can default to that. Specific callback registrations
|
|
// override their own defaults.
|
|
if (!target) return window;
|
|
if (typeof target == "number") target = specialHTMLTargets[target] || UTF8ToString(target);
|
|
if (target === "#window") return window; else if (target === "#document") return document; else if (target === "#screen") return screen; else if (target === "#canvas") return Module["canvas"]; else if (typeof target == "string") return globalThis.document?.getElementById(target);
|
|
return target;
|
|
};
|
|
|
|
var findCanvasEventTarget = target => {
|
|
if (typeof target == "number") target = UTF8ToString(target);
|
|
if (!target || target === "#canvas") {
|
|
if (typeof GL != "undefined" && GL.offscreenCanvases["canvas"]) return GL.offscreenCanvases["canvas"];
|
|
// TODO: Remove this line, target '#canvas' should refer only to Module['canvas'], not to GL.offscreenCanvases['canvas'] - but need stricter tests to be able to remove this line.
|
|
return Module["canvas"];
|
|
}
|
|
if (typeof GL != "undefined" && GL.offscreenCanvases[target]) return GL.offscreenCanvases[target];
|
|
return findEventTarget(target);
|
|
};
|
|
|
|
var _emscripten_webgl_do_create_context = (target, attributes) => {
|
|
var attr32 = ((attributes) >> 2);
|
|
var powerPreference = HEAP32[attr32 + (8 >> 2)];
|
|
var contextAttributes = {
|
|
"alpha": !!HEAP8[attributes + 0],
|
|
"depth": !!HEAP8[attributes + 1],
|
|
"stencil": !!HEAP8[attributes + 2],
|
|
"antialias": !!HEAP8[attributes + 3],
|
|
"premultipliedAlpha": !!HEAP8[attributes + 4],
|
|
"preserveDrawingBuffer": !!HEAP8[attributes + 5],
|
|
"powerPreference": webglPowerPreferences[powerPreference],
|
|
"failIfMajorPerformanceCaveat": !!HEAP8[attributes + 12],
|
|
// The following are not predefined WebGL context attributes in the WebGL specification, so the property names can be minified by Closure.
|
|
majorVersion: HEAP32[attr32 + (16 >> 2)],
|
|
minorVersion: HEAP32[attr32 + (20 >> 2)],
|
|
enableExtensionsByDefault: HEAP8[attributes + 24],
|
|
explicitSwapControl: HEAP8[attributes + 25],
|
|
proxyContextToMainThread: HEAP32[attr32 + (28 >> 2)],
|
|
renderViaOffscreenBackBuffer: HEAP8[attributes + 32]
|
|
};
|
|
var canvas = findCanvasEventTarget(target);
|
|
if (!canvas) {
|
|
return 0;
|
|
}
|
|
if (contextAttributes.explicitSwapControl) {
|
|
return 0;
|
|
}
|
|
var contextHandle = GL.createContext(canvas, contextAttributes);
|
|
return contextHandle;
|
|
};
|
|
|
|
var _emscripten_webgl_create_context = _emscripten_webgl_do_create_context;
|
|
|
|
var _emscripten_webgl_destroy_context = contextHandle => {
|
|
if (GL.currentContext == contextHandle) GL.currentContext = 0;
|
|
GL.deleteContext(contextHandle);
|
|
};
|
|
|
|
var _emscripten_webgl_get_context_attributes = (c, a) => {
|
|
if (!a) return -5;
|
|
c = GL.contexts[c];
|
|
if (!c) return -3;
|
|
var t = c.GLctx?.getContextAttributes();
|
|
if (!t) return -3;
|
|
HEAP8[a] = t.alpha;
|
|
HEAP8[(a) + (1)] = t.depth;
|
|
HEAP8[(a) + (2)] = t.stencil;
|
|
HEAP8[(a) + (3)] = t.antialias;
|
|
HEAP8[(a) + (4)] = t.premultipliedAlpha;
|
|
HEAP8[(a) + (5)] = t.preserveDrawingBuffer;
|
|
var power = t["powerPreference"] && webglPowerPreferences.indexOf(t["powerPreference"]);
|
|
HEAP32[(((a) + (8)) >> 2)] = power;
|
|
HEAP8[(a) + (12)] = t.failIfMajorPerformanceCaveat;
|
|
HEAP32[(((a) + (16)) >> 2)] = c.version;
|
|
HEAP32[(((a) + (20)) >> 2)] = 0;
|
|
HEAP8[(a) + (24)] = c.attributes.enableExtensionsByDefault;
|
|
return 0;
|
|
};
|
|
|
|
var _emscripten_webgl_do_get_current_context = () => GL.currentContext ? GL.currentContext.handle : 0;
|
|
|
|
var _emscripten_webgl_get_current_context = _emscripten_webgl_do_get_current_context;
|
|
|
|
var _emscripten_webgl_make_context_current = contextHandle => {
|
|
var success = GL.makeContextCurrent(contextHandle);
|
|
return success ? 0 : -5;
|
|
};
|
|
|
|
var stackAlloc = sz => __emscripten_stack_alloc(sz);
|
|
|
|
var stringToUTF8OnStack = str => {
|
|
var size = lengthBytesUTF8(str) + 1;
|
|
var ret = stackAlloc(size);
|
|
stringToUTF8(str, ret, size);
|
|
return ret;
|
|
};
|
|
|
|
var writeI53ToI64 = (ptr, num) => {
|
|
HEAPU32[((ptr) >> 2)] = num;
|
|
var lower = HEAPU32[((ptr) >> 2)];
|
|
HEAPU32[(((ptr) + (4)) >> 2)] = (num - lower) / 4294967296;
|
|
};
|
|
|
|
var readI53FromI64 = ptr => HEAPU32[((ptr) >> 2)] + HEAP32[(((ptr) + (4)) >> 2)] * 4294967296;
|
|
|
|
var wasmTableMirror = [];
|
|
|
|
var getWasmTableEntry = funcPtr => {
|
|
var func = wasmTableMirror[funcPtr];
|
|
if (!func) {
|
|
/** @suppress {checkTypes} */ wasmTableMirror[funcPtr] = func = wasmTable.get(funcPtr);
|
|
}
|
|
return func;
|
|
};
|
|
|
|
var WebGPU = {
|
|
Internals: {
|
|
jsObjects: [],
|
|
jsObjectInsert: (ptr, jsObject) => {
|
|
ptr >>>= 0;
|
|
WebGPU.Internals.jsObjects[ptr] = jsObject;
|
|
},
|
|
bufferOnUnmaps: [],
|
|
futures: [],
|
|
futureInsert: (futureId, promise) => {}
|
|
},
|
|
getJsObject: ptr => {
|
|
if (!ptr) return undefined;
|
|
ptr >>>= 0;
|
|
return WebGPU.Internals.jsObjects[ptr];
|
|
},
|
|
importJsAdapter: (obj, parentPtr = 0) => {
|
|
var ptr = _emwgpuCreateAdapter(parentPtr);
|
|
WebGPU.Internals.jsObjects[ptr] = obj;
|
|
return ptr;
|
|
},
|
|
importJsBindGroup: (obj, parentPtr = 0) => {
|
|
var ptr = _emwgpuCreateBindGroup(parentPtr);
|
|
WebGPU.Internals.jsObjects[ptr] = obj;
|
|
return ptr;
|
|
},
|
|
importJsBindGroupLayout: (obj, parentPtr = 0) => {
|
|
var ptr = _emwgpuCreateBindGroupLayout(parentPtr);
|
|
WebGPU.Internals.jsObjects[ptr] = obj;
|
|
return ptr;
|
|
},
|
|
importJsBuffer: (buffer, parentPtr = 0) => {
|
|
// At the moment, we do not allow importing pending buffers.
|
|
assert(buffer.mapState === "unmapped");
|
|
var bufferPtr = _emwgpuImportBuffer(parentPtr);
|
|
WebGPU.Internals.jsObjectInsert(bufferPtr, buffer);
|
|
return bufferPtr;
|
|
},
|
|
importJsCommandBuffer: (obj, parentPtr = 0) => {
|
|
var ptr = _emwgpuCreateCommandBuffer(parentPtr);
|
|
WebGPU.Internals.jsObjects[ptr] = obj;
|
|
return ptr;
|
|
},
|
|
importJsCommandEncoder: (obj, parentPtr = 0) => {
|
|
var ptr = _emwgpuCreateCommandEncoder(parentPtr);
|
|
WebGPU.Internals.jsObjects[ptr] = obj;
|
|
return ptr;
|
|
},
|
|
importJsComputePassEncoder: (obj, parentPtr = 0) => {
|
|
var ptr = _emwgpuCreateComputePassEncoder(parentPtr);
|
|
WebGPU.Internals.jsObjects[ptr] = obj;
|
|
return ptr;
|
|
},
|
|
importJsComputePipeline: (obj, parentPtr = 0) => {
|
|
var ptr = _emwgpuCreateComputePipeline(parentPtr);
|
|
WebGPU.Internals.jsObjects[ptr] = obj;
|
|
return ptr;
|
|
},
|
|
importJsDevice: (device, parentPtr = 0) => {
|
|
var queuePtr = _emwgpuCreateQueue(parentPtr);
|
|
var devicePtr = _emwgpuCreateDevice(parentPtr, queuePtr);
|
|
WebGPU.Internals.jsObjectInsert(queuePtr, device.queue);
|
|
WebGPU.Internals.jsObjectInsert(devicePtr, device);
|
|
return devicePtr;
|
|
},
|
|
importJsExternalTexture: (obj, parentPtr = 0) => {
|
|
var ptr = _emwgpuCreateExternalTexture(parentPtr);
|
|
WebGPU.Internals.jsObjects[ptr] = obj;
|
|
return ptr;
|
|
},
|
|
importJsPipelineLayout: (obj, parentPtr = 0) => {
|
|
var ptr = _emwgpuCreatePipelineLayout(parentPtr);
|
|
WebGPU.Internals.jsObjects[ptr] = obj;
|
|
return ptr;
|
|
},
|
|
importJsQuerySet: (obj, parentPtr = 0) => {
|
|
var ptr = _emwgpuCreateQuerySet(parentPtr);
|
|
WebGPU.Internals.jsObjects[ptr] = obj;
|
|
return ptr;
|
|
},
|
|
importJsQueue: (obj, parentPtr = 0) => {
|
|
var ptr = _emwgpuCreateQueue(parentPtr);
|
|
WebGPU.Internals.jsObjects[ptr] = obj;
|
|
return ptr;
|
|
},
|
|
importJsRenderBundle: (obj, parentPtr = 0) => {
|
|
var ptr = _emwgpuCreateRenderBundle(parentPtr);
|
|
WebGPU.Internals.jsObjects[ptr] = obj;
|
|
return ptr;
|
|
},
|
|
importJsRenderBundleEncoder: (obj, parentPtr = 0) => {
|
|
var ptr = _emwgpuCreateRenderBundleEncoder(parentPtr);
|
|
WebGPU.Internals.jsObjects[ptr] = obj;
|
|
return ptr;
|
|
},
|
|
importJsRenderPassEncoder: (obj, parentPtr = 0) => {
|
|
var ptr = _emwgpuCreateRenderPassEncoder(parentPtr);
|
|
WebGPU.Internals.jsObjects[ptr] = obj;
|
|
return ptr;
|
|
},
|
|
importJsRenderPipeline: (obj, parentPtr = 0) => {
|
|
var ptr = _emwgpuCreateRenderPipeline(parentPtr);
|
|
WebGPU.Internals.jsObjects[ptr] = obj;
|
|
return ptr;
|
|
},
|
|
importJsSampler: (obj, parentPtr = 0) => {
|
|
var ptr = _emwgpuCreateSampler(parentPtr);
|
|
WebGPU.Internals.jsObjects[ptr] = obj;
|
|
return ptr;
|
|
},
|
|
importJsShaderModule: (obj, parentPtr = 0) => {
|
|
var ptr = _emwgpuCreateShaderModule(parentPtr);
|
|
WebGPU.Internals.jsObjects[ptr] = obj;
|
|
return ptr;
|
|
},
|
|
importJsSurface: (obj, parentPtr = 0) => {
|
|
var ptr = _emwgpuCreateSurface(parentPtr);
|
|
WebGPU.Internals.jsObjects[ptr] = obj;
|
|
return ptr;
|
|
},
|
|
importJsTexture: (obj, parentPtr = 0) => {
|
|
var ptr = _emwgpuCreateTexture(parentPtr);
|
|
WebGPU.Internals.jsObjects[ptr] = obj;
|
|
return ptr;
|
|
},
|
|
importJsTextureView: (obj, parentPtr = 0) => {
|
|
var ptr = _emwgpuCreateTextureView(parentPtr);
|
|
WebGPU.Internals.jsObjects[ptr] = obj;
|
|
return ptr;
|
|
},
|
|
errorCallback: (callback, type, message, userdata) => {
|
|
var sp = stackSave();
|
|
var messagePtr = stringToUTF8OnStack(message);
|
|
getWasmTableEntry(callback)(type, messagePtr, userdata);
|
|
stackRestore(sp);
|
|
},
|
|
iterateExtensions: (root, handlers) => {
|
|
for (var ptr = HEAPU32[((root) >> 2)]; ptr; ptr = HEAPU32[((ptr) >> 2)]) {
|
|
var sType = HEAP32[(((ptr) + (4)) >> 2)];
|
|
// This will crash if there's no handler indicating either a bogus
|
|
// sType, or one we haven't implemented yet.
|
|
var handler = handlers[sType](ptr);
|
|
}
|
|
},
|
|
setStringView: (ptr, data, length) => {
|
|
HEAPU32[((ptr) >> 2)] = data;
|
|
HEAPU32[(((ptr) + (4)) >> 2)] = length;
|
|
},
|
|
makeStringFromStringView: stringViewPtr => {
|
|
var ptr = HEAPU32[((stringViewPtr) >> 2)];
|
|
var length = HEAPU32[(((stringViewPtr) + (4)) >> 2)];
|
|
// UTF8ToString stops at the first null terminator character in the
|
|
// string regardless of the length.
|
|
return UTF8ToString(ptr, length);
|
|
},
|
|
makeStringFromOptionalStringView: stringViewPtr => {
|
|
var ptr = HEAPU32[((stringViewPtr) >> 2)];
|
|
var length = HEAPU32[(((stringViewPtr) + (4)) >> 2)];
|
|
// If we don't have a valid string pointer, just return undefined when
|
|
// optional.
|
|
if (!ptr) {
|
|
if (length === 0) {
|
|
return "";
|
|
}
|
|
return undefined;
|
|
}
|
|
// UTF8ToString stops at the first null terminator character in the
|
|
// string regardless of the length.
|
|
return UTF8ToString(ptr, length);
|
|
},
|
|
makeColor: ptr => ({
|
|
"r": HEAPF64[((ptr) >> 3)],
|
|
"g": HEAPF64[(((ptr) + (8)) >> 3)],
|
|
"b": HEAPF64[(((ptr) + (16)) >> 3)],
|
|
"a": HEAPF64[(((ptr) + (24)) >> 3)]
|
|
}),
|
|
makeExtent3D: ptr => ({
|
|
"width": HEAPU32[((ptr) >> 2)],
|
|
"height": HEAPU32[(((ptr) + (4)) >> 2)],
|
|
"depthOrArrayLayers": HEAPU32[(((ptr) + (8)) >> 2)]
|
|
}),
|
|
makeOrigin3D: ptr => ({
|
|
"x": HEAPU32[((ptr) >> 2)],
|
|
"y": HEAPU32[(((ptr) + (4)) >> 2)],
|
|
"z": HEAPU32[(((ptr) + (8)) >> 2)]
|
|
}),
|
|
makeTexelCopyTextureInfo: ptr => ({
|
|
"texture": WebGPU.getJsObject(HEAPU32[((ptr) >> 2)]),
|
|
"mipLevel": HEAPU32[(((ptr) + (4)) >> 2)],
|
|
"origin": WebGPU.makeOrigin3D(ptr + 8),
|
|
"aspect": WebGPU.TextureAspect[HEAP32[(((ptr) + (20)) >> 2)]]
|
|
}),
|
|
makeTexelCopyBufferLayout: ptr => {
|
|
var bytesPerRow = HEAPU32[(((ptr) + (8)) >> 2)];
|
|
var rowsPerImage = HEAPU32[(((ptr) + (12)) >> 2)];
|
|
return {
|
|
"offset": readI53FromI64(ptr),
|
|
"bytesPerRow": bytesPerRow === 4294967295 ? undefined : bytesPerRow,
|
|
"rowsPerImage": rowsPerImage === 4294967295 ? undefined : rowsPerImage
|
|
};
|
|
},
|
|
makeTexelCopyBufferInfo: ptr => {
|
|
var layoutPtr = ptr + 0;
|
|
var bufferCopyView = WebGPU.makeTexelCopyBufferLayout(layoutPtr);
|
|
bufferCopyView["buffer"] = WebGPU.getJsObject(HEAPU32[(((ptr) + (16)) >> 2)]);
|
|
return bufferCopyView;
|
|
},
|
|
makePassTimestampWrites: ptr => {
|
|
if (ptr === 0) return undefined;
|
|
return {
|
|
"querySet": WebGPU.getJsObject(HEAPU32[(((ptr) + (4)) >> 2)]),
|
|
"beginningOfPassWriteIndex": HEAPU32[(((ptr) + (8)) >> 2)],
|
|
"endOfPassWriteIndex": HEAPU32[(((ptr) + (12)) >> 2)]
|
|
};
|
|
},
|
|
makePipelineConstants: (constantCount, constantsPtr) => {
|
|
if (!constantCount) return;
|
|
var constants = {};
|
|
for (var i = 0; i < constantCount; ++i) {
|
|
var entryPtr = constantsPtr + 24 * i;
|
|
var key = WebGPU.makeStringFromStringView(entryPtr + 4);
|
|
constants[key] = HEAPF64[(((entryPtr) + (16)) >> 3)];
|
|
}
|
|
return constants;
|
|
},
|
|
makePipelineLayout: layoutPtr => {
|
|
if (!layoutPtr) return "auto";
|
|
return WebGPU.getJsObject(layoutPtr);
|
|
},
|
|
makeComputeState: ptr => {
|
|
if (!ptr) return undefined;
|
|
var desc = {
|
|
"module": WebGPU.getJsObject(HEAPU32[(((ptr) + (4)) >> 2)]),
|
|
"constants": WebGPU.makePipelineConstants(HEAPU32[(((ptr) + (16)) >> 2)], HEAPU32[(((ptr) + (20)) >> 2)]),
|
|
"entryPoint": WebGPU.makeStringFromOptionalStringView(ptr + 8)
|
|
};
|
|
return desc;
|
|
},
|
|
makeComputePipelineDesc: descriptor => {
|
|
var desc = {
|
|
"label": WebGPU.makeStringFromOptionalStringView(descriptor + 4),
|
|
"layout": WebGPU.makePipelineLayout(HEAPU32[(((descriptor) + (12)) >> 2)]),
|
|
"compute": WebGPU.makeComputeState(descriptor + 16)
|
|
};
|
|
return desc;
|
|
},
|
|
makeRenderPipelineDesc: descriptor => {
|
|
function makePrimitiveState(psPtr) {
|
|
if (!psPtr) return undefined;
|
|
return {
|
|
"topology": WebGPU.PrimitiveTopology[HEAP32[(((psPtr) + (4)) >> 2)]],
|
|
"stripIndexFormat": WebGPU.IndexFormat[HEAP32[(((psPtr) + (8)) >> 2)]],
|
|
"frontFace": WebGPU.FrontFace[HEAP32[(((psPtr) + (12)) >> 2)]],
|
|
"cullMode": WebGPU.CullMode[HEAP32[(((psPtr) + (16)) >> 2)]],
|
|
"unclippedDepth": !!(HEAPU32[(((psPtr) + (20)) >> 2)])
|
|
};
|
|
}
|
|
function makeBlendComponent(bdPtr) {
|
|
if (!bdPtr) return undefined;
|
|
return {
|
|
"operation": WebGPU.BlendOperation[HEAP32[((bdPtr) >> 2)]],
|
|
"srcFactor": WebGPU.BlendFactor[HEAP32[(((bdPtr) + (4)) >> 2)]],
|
|
"dstFactor": WebGPU.BlendFactor[HEAP32[(((bdPtr) + (8)) >> 2)]]
|
|
};
|
|
}
|
|
function makeBlendState(bsPtr) {
|
|
if (!bsPtr) return undefined;
|
|
return {
|
|
"alpha": makeBlendComponent(bsPtr + 12),
|
|
"color": makeBlendComponent(bsPtr + 0)
|
|
};
|
|
}
|
|
function makeColorState(csPtr) {
|
|
var format = WebGPU.TextureFormat[HEAP32[(((csPtr) + (4)) >> 2)]];
|
|
return format ? {
|
|
"format": format,
|
|
"blend": makeBlendState(HEAPU32[(((csPtr) + (8)) >> 2)]),
|
|
"writeMask": HEAPU32[(((csPtr) + (16)) >> 2)]
|
|
} : undefined;
|
|
}
|
|
function makeColorStates(count, csArrayPtr) {
|
|
var states = [];
|
|
for (var i = 0; i < count; ++i) {
|
|
states.push(makeColorState(csArrayPtr + 24 * i));
|
|
}
|
|
return states;
|
|
}
|
|
function makeStencilStateFace(ssfPtr) {
|
|
return {
|
|
"compare": WebGPU.CompareFunction[HEAP32[((ssfPtr) >> 2)]],
|
|
"failOp": WebGPU.StencilOperation[HEAP32[(((ssfPtr) + (4)) >> 2)]],
|
|
"depthFailOp": WebGPU.StencilOperation[HEAP32[(((ssfPtr) + (8)) >> 2)]],
|
|
"passOp": WebGPU.StencilOperation[HEAP32[(((ssfPtr) + (12)) >> 2)]]
|
|
};
|
|
}
|
|
function makeDepthStencilState(dssPtr) {
|
|
if (!dssPtr) return undefined;
|
|
return {
|
|
"format": WebGPU.TextureFormat[HEAP32[(((dssPtr) + (4)) >> 2)]],
|
|
"depthWriteEnabled": !!(HEAPU32[(((dssPtr) + (8)) >> 2)]),
|
|
"depthCompare": WebGPU.CompareFunction[HEAP32[(((dssPtr) + (12)) >> 2)]],
|
|
"stencilFront": makeStencilStateFace(dssPtr + 16),
|
|
"stencilBack": makeStencilStateFace(dssPtr + 32),
|
|
"stencilReadMask": HEAPU32[(((dssPtr) + (48)) >> 2)],
|
|
"stencilWriteMask": HEAPU32[(((dssPtr) + (52)) >> 2)],
|
|
"depthBias": HEAP32[(((dssPtr) + (56)) >> 2)],
|
|
"depthBiasSlopeScale": HEAPF32[(((dssPtr) + (60)) >> 2)],
|
|
"depthBiasClamp": HEAPF32[(((dssPtr) + (64)) >> 2)]
|
|
};
|
|
}
|
|
function makeVertexAttribute(vaPtr) {
|
|
return {
|
|
"format": WebGPU.VertexFormat[HEAP32[(((vaPtr) + (4)) >> 2)]],
|
|
"offset": readI53FromI64((vaPtr) + (8)),
|
|
"shaderLocation": HEAPU32[(((vaPtr) + (16)) >> 2)]
|
|
};
|
|
}
|
|
function makeVertexAttributes(count, vaArrayPtr) {
|
|
var vas = [];
|
|
for (var i = 0; i < count; ++i) {
|
|
vas.push(makeVertexAttribute(vaArrayPtr + i * 24));
|
|
}
|
|
return vas;
|
|
}
|
|
function makeVertexBuffer(vbPtr) {
|
|
if (!vbPtr) return undefined;
|
|
var stepMode = WebGPU.VertexStepMode[HEAP32[(((vbPtr) + (4)) >> 2)]];
|
|
var attributeCount = HEAPU32[(((vbPtr) + (16)) >> 2)];
|
|
if (!stepMode && !attributeCount) {
|
|
return null;
|
|
}
|
|
return {
|
|
"arrayStride": readI53FromI64((vbPtr) + (8)),
|
|
"stepMode": stepMode,
|
|
"attributes": makeVertexAttributes(attributeCount, HEAPU32[(((vbPtr) + (20)) >> 2)])
|
|
};
|
|
}
|
|
function makeVertexBuffers(count, vbArrayPtr) {
|
|
if (!count) return undefined;
|
|
var vbs = [];
|
|
for (var i = 0; i < count; ++i) {
|
|
vbs.push(makeVertexBuffer(vbArrayPtr + i * 24));
|
|
}
|
|
return vbs;
|
|
}
|
|
function makeVertexState(viPtr) {
|
|
if (!viPtr) return undefined;
|
|
var desc = {
|
|
"module": WebGPU.getJsObject(HEAPU32[(((viPtr) + (4)) >> 2)]),
|
|
"constants": WebGPU.makePipelineConstants(HEAPU32[(((viPtr) + (16)) >> 2)], HEAPU32[(((viPtr) + (20)) >> 2)]),
|
|
"buffers": makeVertexBuffers(HEAPU32[(((viPtr) + (24)) >> 2)], HEAPU32[(((viPtr) + (28)) >> 2)]),
|
|
"entryPoint": WebGPU.makeStringFromOptionalStringView(viPtr + 8)
|
|
};
|
|
return desc;
|
|
}
|
|
function makeMultisampleState(msPtr) {
|
|
if (!msPtr) return undefined;
|
|
return {
|
|
"count": HEAPU32[(((msPtr) + (4)) >> 2)],
|
|
"mask": HEAPU32[(((msPtr) + (8)) >> 2)],
|
|
"alphaToCoverageEnabled": !!(HEAPU32[(((msPtr) + (12)) >> 2)])
|
|
};
|
|
}
|
|
function makeFragmentState(fsPtr) {
|
|
if (!fsPtr) return undefined;
|
|
var desc = {
|
|
"module": WebGPU.getJsObject(HEAPU32[(((fsPtr) + (4)) >> 2)]),
|
|
"constants": WebGPU.makePipelineConstants(HEAPU32[(((fsPtr) + (16)) >> 2)], HEAPU32[(((fsPtr) + (20)) >> 2)]),
|
|
"targets": makeColorStates(HEAPU32[(((fsPtr) + (24)) >> 2)], HEAPU32[(((fsPtr) + (28)) >> 2)]),
|
|
"entryPoint": WebGPU.makeStringFromOptionalStringView(fsPtr + 8)
|
|
};
|
|
return desc;
|
|
}
|
|
var desc = {
|
|
"label": WebGPU.makeStringFromOptionalStringView(descriptor + 4),
|
|
"layout": WebGPU.makePipelineLayout(HEAPU32[(((descriptor) + (12)) >> 2)]),
|
|
"vertex": makeVertexState(descriptor + 16),
|
|
"primitive": makePrimitiveState(descriptor + 48),
|
|
"depthStencil": makeDepthStencilState(HEAPU32[(((descriptor) + (72)) >> 2)]),
|
|
"multisample": makeMultisampleState(descriptor + 76),
|
|
"fragment": makeFragmentState(HEAPU32[(((descriptor) + (92)) >> 2)])
|
|
};
|
|
return desc;
|
|
},
|
|
fillLimitStruct: (limits, limitsOutPtr) => {
|
|
var nextInChainPtr = HEAPU32[((limitsOutPtr) >> 2)];
|
|
function setLimitValueU32(name, basePtr, limitOffset, fallbackValue = 0) {
|
|
var limitValue = limits[name] ?? fallbackValue;
|
|
HEAPU32[(((basePtr) + (limitOffset)) >> 2)] = limitValue;
|
|
}
|
|
function setLimitValueU64(name, basePtr, limitOffset, fallbackValue = 0) {
|
|
var limitValue = limits[name] ?? fallbackValue;
|
|
// Limits are integer-valued JS `Number`s, so they fit in 'i53'.
|
|
writeI53ToI64((basePtr) + (limitOffset), limitValue);
|
|
}
|
|
setLimitValueU32("maxTextureDimension1D", limitsOutPtr, 4);
|
|
setLimitValueU32("maxTextureDimension2D", limitsOutPtr, 8);
|
|
setLimitValueU32("maxTextureDimension3D", limitsOutPtr, 12);
|
|
setLimitValueU32("maxTextureArrayLayers", limitsOutPtr, 16);
|
|
setLimitValueU32("maxBindGroups", limitsOutPtr, 20);
|
|
setLimitValueU32("maxBindGroupsPlusVertexBuffers", limitsOutPtr, 24);
|
|
setLimitValueU32("maxBindingsPerBindGroup", limitsOutPtr, 28);
|
|
setLimitValueU32("maxDynamicUniformBuffersPerPipelineLayout", limitsOutPtr, 32);
|
|
setLimitValueU32("maxDynamicStorageBuffersPerPipelineLayout", limitsOutPtr, 36);
|
|
setLimitValueU32("maxSampledTexturesPerShaderStage", limitsOutPtr, 40);
|
|
setLimitValueU32("maxSamplersPerShaderStage", limitsOutPtr, 44);
|
|
setLimitValueU32("maxStorageBuffersPerShaderStage", limitsOutPtr, 48);
|
|
setLimitValueU32("maxStorageTexturesPerShaderStage", limitsOutPtr, 52);
|
|
setLimitValueU32("maxUniformBuffersPerShaderStage", limitsOutPtr, 56);
|
|
setLimitValueU32("minUniformBufferOffsetAlignment", limitsOutPtr, 80);
|
|
setLimitValueU32("minStorageBufferOffsetAlignment", limitsOutPtr, 84);
|
|
setLimitValueU64("maxUniformBufferBindingSize", limitsOutPtr, 64);
|
|
setLimitValueU64("maxStorageBufferBindingSize", limitsOutPtr, 72);
|
|
setLimitValueU32("maxVertexBuffers", limitsOutPtr, 88);
|
|
setLimitValueU64("maxBufferSize", limitsOutPtr, 96);
|
|
setLimitValueU32("maxVertexAttributes", limitsOutPtr, 104);
|
|
setLimitValueU32("maxVertexBufferArrayStride", limitsOutPtr, 108);
|
|
setLimitValueU32("maxInterStageShaderVariables", limitsOutPtr, 112);
|
|
setLimitValueU32("maxColorAttachments", limitsOutPtr, 116);
|
|
setLimitValueU32("maxColorAttachmentBytesPerSample", limitsOutPtr, 120);
|
|
setLimitValueU32("maxComputeWorkgroupStorageSize", limitsOutPtr, 124);
|
|
setLimitValueU32("maxComputeInvocationsPerWorkgroup", limitsOutPtr, 128);
|
|
setLimitValueU32("maxComputeWorkgroupSizeX", limitsOutPtr, 132);
|
|
setLimitValueU32("maxComputeWorkgroupSizeY", limitsOutPtr, 136);
|
|
setLimitValueU32("maxComputeWorkgroupSizeZ", limitsOutPtr, 140);
|
|
setLimitValueU32("maxComputeWorkgroupsPerDimension", limitsOutPtr, 144);
|
|
// Note this limit is new and won't be present in all browsers for a while. Fall back to 0.
|
|
setLimitValueU32("maxImmediateSize", limitsOutPtr, 148);
|
|
if (nextInChainPtr !== 0) {
|
|
var sType = HEAP32[(((nextInChainPtr) + (4)) >> 2)];
|
|
var compatibilityModeLimitsPtr = nextInChainPtr;
|
|
// Note these limits are new and won't be present in all browsers for a while. Fall back to exposing the PerShaderStage limit.
|
|
setLimitValueU32("maxStorageBuffersInVertexStage", compatibilityModeLimitsPtr, 8, limits.maxStorageBuffersPerShaderStage);
|
|
setLimitValueU32("maxStorageBuffersInFragmentStage", compatibilityModeLimitsPtr, 16, limits.maxStorageBuffersPerShaderStage);
|
|
setLimitValueU32("maxStorageTexturesInVertexStage", compatibilityModeLimitsPtr, 12, limits.maxStorageTexturesPerShaderStage);
|
|
setLimitValueU32("maxStorageTexturesInFragmentStage", compatibilityModeLimitsPtr, 20, limits.maxStorageTexturesPerShaderStage);
|
|
}
|
|
},
|
|
fillAdapterInfoStruct: (info, infoStruct) => {
|
|
// Populate subgroup limits.
|
|
HEAPU32[(((infoStruct) + (52)) >> 2)] = info.subgroupMinSize;
|
|
HEAPU32[(((infoStruct) + (56)) >> 2)] = info.subgroupMaxSize;
|
|
// Append all the strings together to condense into a single malloc.
|
|
var strs = info.vendor + info.architecture + info.device + info.description;
|
|
var strPtr = stringToNewUTF8(strs);
|
|
var vendorLen = lengthBytesUTF8(info.vendor);
|
|
WebGPU.setStringView(infoStruct + 4, strPtr, vendorLen);
|
|
strPtr += vendorLen;
|
|
var architectureLen = lengthBytesUTF8(info.architecture);
|
|
WebGPU.setStringView(infoStruct + 12, strPtr, architectureLen);
|
|
strPtr += architectureLen;
|
|
var deviceLen = lengthBytesUTF8(info.device);
|
|
WebGPU.setStringView(infoStruct + 20, strPtr, deviceLen);
|
|
strPtr += deviceLen;
|
|
var descriptionLen = lengthBytesUTF8(info.description);
|
|
WebGPU.setStringView(infoStruct + 28, strPtr, descriptionLen);
|
|
strPtr += descriptionLen;
|
|
HEAP32[(((infoStruct) + (36)) >> 2)] = 2;
|
|
var adapterType = info.isFallbackAdapter ? 3 : 4;
|
|
HEAP32[(((infoStruct) + (40)) >> 2)] = adapterType;
|
|
HEAPU32[(((infoStruct) + (44)) >> 2)] = 0;
|
|
HEAPU32[(((infoStruct) + (48)) >> 2)] = 0;
|
|
},
|
|
AddressMode: [ , "clamp-to-edge", "repeat", "mirror-repeat" ],
|
|
BlendFactor: [ , "zero", "one", "src", "one-minus-src", "src-alpha", "one-minus-src-alpha", "dst", "one-minus-dst", "dst-alpha", "one-minus-dst-alpha", "src-alpha-saturated", "constant", "one-minus-constant", "src1", "one-minus-src1", "src1-alpha", "one-minus-src1-alpha" ],
|
|
BlendOperation: [ , "add", "subtract", "reverse-subtract", "min", "max" ],
|
|
BufferBindingType: [ , , "uniform", "storage", "read-only-storage" ],
|
|
BufferMapState: [ , "unmapped", "pending", "mapped" ],
|
|
CompareFunction: [ , "never", "less", "equal", "less-equal", "greater", "not-equal", "greater-equal", "always" ],
|
|
CompilationInfoRequestStatus: [ , "success", "callback-cancelled" ],
|
|
ComponentSwizzle: [ , "0", "1", "r", "g", "b", "a" ],
|
|
CompositeAlphaMode: [ , "opaque", "premultiplied", "unpremultiplied", "inherit" ],
|
|
CullMode: [ , "none", "front", "back" ],
|
|
ErrorFilter: [ , "validation", "out-of-memory", "internal" ],
|
|
FeatureLevel: [ , "compatibility", "core" ],
|
|
FeatureName: {
|
|
1: "core-features-and-limits",
|
|
2: "depth-clip-control",
|
|
3: "depth32float-stencil8",
|
|
4: "texture-compression-bc",
|
|
5: "texture-compression-bc-sliced-3d",
|
|
6: "texture-compression-etc2",
|
|
7: "texture-compression-astc",
|
|
8: "texture-compression-astc-sliced-3d",
|
|
9: "timestamp-query",
|
|
10: "indirect-first-instance",
|
|
11: "shader-f16",
|
|
12: "rg11b10ufloat-renderable",
|
|
13: "bgra8unorm-storage",
|
|
14: "float32-filterable",
|
|
15: "float32-blendable",
|
|
16: "clip-distances",
|
|
17: "dual-source-blending",
|
|
18: "subgroups",
|
|
19: "texture-formats-tier1",
|
|
20: "texture-formats-tier2",
|
|
21: "primitive-index",
|
|
22: "texture-component-swizzle",
|
|
327692: "chromium-experimental-unorm16-texture-formats",
|
|
327729: "chromium-experimental-multi-draw-indirect"
|
|
},
|
|
FilterMode: [ , "nearest", "linear" ],
|
|
FrontFace: [ , "ccw", "cw" ],
|
|
IndexFormat: [ , "uint16", "uint32" ],
|
|
InstanceFeatureName: [ , "timed-wait-any", "shader-source-spirv", "multiple-devices-per-adapter" ],
|
|
LoadOp: [ , "load", "clear" ],
|
|
MipmapFilterMode: [ , "nearest", "linear" ],
|
|
OptionalBool: [ "false", "true" ],
|
|
PowerPreference: [ , "low-power", "high-performance" ],
|
|
PredefinedColorSpace: [ , "srgb", "display-p3" ],
|
|
PrimitiveTopology: [ , "point-list", "line-list", "line-strip", "triangle-list", "triangle-strip" ],
|
|
QueryType: [ , "occlusion", "timestamp" ],
|
|
SamplerBindingType: [ , , "filtering", "non-filtering", "comparison" ],
|
|
Status: [ , "success", "error" ],
|
|
StencilOperation: [ , "keep", "zero", "replace", "invert", "increment-clamp", "decrement-clamp", "increment-wrap", "decrement-wrap" ],
|
|
StorageTextureAccess: [ , , "write-only", "read-only", "read-write" ],
|
|
StoreOp: [ , "store", "discard" ],
|
|
SurfaceGetCurrentTextureStatus: [ , "success-optimal", "success-suboptimal", "timeout", "outdated", "lost", "error" ],
|
|
TextureAspect: [ , "all", "stencil-only", "depth-only" ],
|
|
TextureDimension: [ , "1d", "2d", "3d" ],
|
|
TextureFormat: [ , "r8unorm", "r8snorm", "r8uint", "r8sint", "r16unorm", "r16snorm", "r16uint", "r16sint", "r16float", "rg8unorm", "rg8snorm", "rg8uint", "rg8sint", "r32float", "r32uint", "r32sint", "rg16unorm", "rg16snorm", "rg16uint", "rg16sint", "rg16float", "rgba8unorm", "rgba8unorm-srgb", "rgba8snorm", "rgba8uint", "rgba8sint", "bgra8unorm", "bgra8unorm-srgb", "rgb10a2uint", "rgb10a2unorm", "rg11b10ufloat", "rgb9e5ufloat", "rg32float", "rg32uint", "rg32sint", "rgba16unorm", "rgba16snorm", "rgba16uint", "rgba16sint", "rgba16float", "rgba32float", "rgba32uint", "rgba32sint", "stencil8", "depth16unorm", "depth24plus", "depth24plus-stencil8", "depth32float", "depth32float-stencil8", "bc1-rgba-unorm", "bc1-rgba-unorm-srgb", "bc2-rgba-unorm", "bc2-rgba-unorm-srgb", "bc3-rgba-unorm", "bc3-rgba-unorm-srgb", "bc4-r-unorm", "bc4-r-snorm", "bc5-rg-unorm", "bc5-rg-snorm", "bc6h-rgb-ufloat", "bc6h-rgb-float", "bc7-rgba-unorm", "bc7-rgba-unorm-srgb", "etc2-rgb8unorm", "etc2-rgb8unorm-srgb", "etc2-rgb8a1unorm", "etc2-rgb8a1unorm-srgb", "etc2-rgba8unorm", "etc2-rgba8unorm-srgb", "eac-r11unorm", "eac-r11snorm", "eac-rg11unorm", "eac-rg11snorm", "astc-4x4-unorm", "astc-4x4-unorm-srgb", "astc-5x4-unorm", "astc-5x4-unorm-srgb", "astc-5x5-unorm", "astc-5x5-unorm-srgb", "astc-6x5-unorm", "astc-6x5-unorm-srgb", "astc-6x6-unorm", "astc-6x6-unorm-srgb", "astc-8x5-unorm", "astc-8x5-unorm-srgb", "astc-8x6-unorm", "astc-8x6-unorm-srgb", "astc-8x8-unorm", "astc-8x8-unorm-srgb", "astc-10x5-unorm", "astc-10x5-unorm-srgb", "astc-10x6-unorm", "astc-10x6-unorm-srgb", "astc-10x8-unorm", "astc-10x8-unorm-srgb", "astc-10x10-unorm", "astc-10x10-unorm-srgb", "astc-12x10-unorm", "astc-12x10-unorm-srgb", "astc-12x12-unorm", "astc-12x12-unorm-srgb" ],
|
|
TextureSampleType: [ , , "float", "unfilterable-float", "depth", "sint", "uint" ],
|
|
TextureViewDimension: [ , "1d", "2d", "2d-array", "cube", "cube-array", "3d" ],
|
|
ToneMappingMode: [ , "standard", "extended" ],
|
|
VertexFormat: [ , "uint8", "uint8x2", "uint8x4", "sint8", "sint8x2", "sint8x4", "unorm8", "unorm8x2", "unorm8x4", "snorm8", "snorm8x2", "snorm8x4", "uint16", "uint16x2", "uint16x4", "sint16", "sint16x2", "sint16x4", "unorm16", "unorm16x2", "unorm16x4", "snorm16", "snorm16x2", "snorm16x4", "float16", "float16x2", "float16x4", "float32", "float32x2", "float32x3", "float32x4", "uint32", "uint32x2", "uint32x3", "uint32x4", "sint32", "sint32x2", "sint32x3", "sint32x4", "unorm10-10-10-2", "unorm8x4-bgra" ],
|
|
VertexStepMode: [ , "vertex", "instance" ],
|
|
WGSLLanguageFeatureName: [ , "readonly_and_readwrite_storage_textures", "packed_4x8_integer_dot_product", "unrestricted_pointer_parameters", "pointer_composite_access", "uniform_buffer_standard_layout", "subgroup_id", "texture_and_sampler_let", "subgroup_uniformity", "texture_formats_tier1" ]
|
|
};
|
|
|
|
var _emscripten_webgpu_get_device = () => {
|
|
if (WebGPU.preinitializedDeviceId === undefined) {
|
|
WebGPU.preinitializedDeviceId = WebGPU.importJsDevice(Module["preinitializedWebGPUDevice"]);
|
|
// Some users depend on this keeping the device alive, so we add an
|
|
// additional reference when we first initialize it.
|
|
_wgpuDeviceAddRef(WebGPU.preinitializedDeviceId);
|
|
}
|
|
_wgpuDeviceAddRef(WebGPU.preinitializedDeviceId);
|
|
return WebGPU.preinitializedDeviceId;
|
|
};
|
|
|
|
var _emwgpuBufferDestroy = bufferPtr => {
|
|
var buffer = WebGPU.getJsObject(bufferPtr);
|
|
var onUnmap = WebGPU.Internals.bufferOnUnmaps[bufferPtr];
|
|
if (onUnmap) {
|
|
for (var i = 0; i < onUnmap.length; ++i) {
|
|
onUnmap[i]();
|
|
}
|
|
delete WebGPU.Internals.bufferOnUnmaps[bufferPtr];
|
|
}
|
|
buffer.destroy();
|
|
};
|
|
|
|
var _emwgpuBufferGetMappedRange = (bufferPtr, offset, size) => {
|
|
var buffer = WebGPU.getJsObject(bufferPtr);
|
|
if (size == -1) size = undefined;
|
|
var mapped;
|
|
try {
|
|
mapped = buffer.getMappedRange(offset, size);
|
|
} catch (ex) {
|
|
return 0;
|
|
}
|
|
var data = _memalign(16, mapped.byteLength);
|
|
HEAPU8.fill(0, data, mapped.byteLength);
|
|
WebGPU.Internals.bufferOnUnmaps[bufferPtr].push(() => {
|
|
new Uint8Array(mapped).set(HEAPU8.subarray(data, data + mapped.byteLength));
|
|
_free(data);
|
|
});
|
|
return data;
|
|
};
|
|
|
|
var _emwgpuBufferUnmap = bufferPtr => {
|
|
var buffer = WebGPU.getJsObject(bufferPtr);
|
|
var onUnmap = WebGPU.Internals.bufferOnUnmaps[bufferPtr];
|
|
if (!onUnmap) {
|
|
// Already unmapped
|
|
return;
|
|
}
|
|
for (var i = 0; i < onUnmap.length; ++i) {
|
|
onUnmap[i]();
|
|
}
|
|
delete WebGPU.Internals.bufferOnUnmaps[bufferPtr];
|
|
buffer.unmap();
|
|
};
|
|
|
|
var _emwgpuDelete = ptr => {
|
|
delete WebGPU.Internals.jsObjects[ptr];
|
|
};
|
|
|
|
var _emwgpuDeviceCreateBuffer = (devicePtr, descriptor, bufferPtr) => {
|
|
var mappedAtCreation = !!(HEAPU32[(((descriptor) + (32)) >> 2)]);
|
|
var desc = {
|
|
"label": WebGPU.makeStringFromOptionalStringView(descriptor + 4),
|
|
"usage": HEAPU32[(((descriptor) + (16)) >> 2)],
|
|
"size": readI53FromI64((descriptor) + (24)),
|
|
"mappedAtCreation": mappedAtCreation
|
|
};
|
|
var device = WebGPU.getJsObject(devicePtr);
|
|
var buffer;
|
|
try {
|
|
buffer = device.createBuffer(desc);
|
|
} catch (ex) {
|
|
// The only exception should be RangeError if mapping at creation ran out of memory.
|
|
return false;
|
|
}
|
|
WebGPU.Internals.jsObjectInsert(bufferPtr, buffer);
|
|
if (mappedAtCreation) {
|
|
WebGPU.Internals.bufferOnUnmaps[bufferPtr] = [];
|
|
}
|
|
return true;
|
|
};
|
|
|
|
var _emwgpuDeviceCreateComputePipelineAsync = function(devicePtr, futureId_low, futureId_high, descriptor, pipelinePtr) {
|
|
var futureId = convertI32PairToI53Checked(futureId_low, futureId_high);
|
|
var desc = WebGPU.makeComputePipelineDesc(descriptor);
|
|
var device = WebGPU.getJsObject(devicePtr);
|
|
// createComputePipelineAsync
|
|
WebGPU.Internals.futureInsert(futureId, device.createComputePipelineAsync(desc).then(pipeline => {
|
|
// createComputePipelineAsync fulfilled
|
|
callUserCallback(() => {
|
|
WebGPU.Internals.jsObjectInsert(pipelinePtr, pipeline);
|
|
_emwgpuOnCreateComputePipelineCompleted(futureId, 1, pipelinePtr, 0);
|
|
});
|
|
}, pipelineError => {
|
|
// createComputePipelineAsync rejected
|
|
callUserCallback(() => {
|
|
var sp = stackSave();
|
|
var messagePtr = stringToUTF8OnStack(pipelineError.message);
|
|
var status = pipelineError.reason === "validation" ? 3 : pipelineError.reason === "internal" ? 4 : 0;
|
|
_emwgpuOnCreateComputePipelineCompleted(futureId, status, pipelinePtr, messagePtr);
|
|
stackRestore(sp);
|
|
});
|
|
}));
|
|
};
|
|
|
|
var _emwgpuDeviceCreateRenderPipelineAsync = function(devicePtr, futureId_low, futureId_high, descriptor, pipelinePtr) {
|
|
var futureId = convertI32PairToI53Checked(futureId_low, futureId_high);
|
|
var desc = WebGPU.makeRenderPipelineDesc(descriptor);
|
|
var device = WebGPU.getJsObject(devicePtr);
|
|
// createRenderPipelineAsync
|
|
WebGPU.Internals.futureInsert(futureId, device.createRenderPipelineAsync(desc).then(pipeline => {
|
|
// createRenderPipelineAsync fulfilled
|
|
callUserCallback(() => {
|
|
WebGPU.Internals.jsObjectInsert(pipelinePtr, pipeline);
|
|
_emwgpuOnCreateRenderPipelineCompleted(futureId, 1, pipelinePtr, 0);
|
|
});
|
|
}, pipelineError => {
|
|
// createRenderPipelineAsync rejected
|
|
callUserCallback(() => {
|
|
var sp = stackSave();
|
|
var messagePtr = stringToUTF8OnStack(pipelineError.message);
|
|
var status = pipelineError.reason === "validation" ? 3 : pipelineError.reason === "internal" ? 4 : 0;
|
|
_emwgpuOnCreateRenderPipelineCompleted(futureId, status, pipelinePtr, messagePtr);
|
|
stackRestore(sp);
|
|
});
|
|
}));
|
|
};
|
|
|
|
var _emwgpuDeviceCreateShaderModule = (devicePtr, descriptor, shaderModulePtr) => {
|
|
var nextInChainPtr = HEAPU32[((descriptor) >> 2)];
|
|
var sType = HEAP32[(((nextInChainPtr) + (4)) >> 2)];
|
|
var desc = {
|
|
"label": WebGPU.makeStringFromOptionalStringView(descriptor + 4),
|
|
"code": ""
|
|
};
|
|
switch (sType) {
|
|
case 2:
|
|
{
|
|
desc["code"] = WebGPU.makeStringFromStringView(nextInChainPtr + 8);
|
|
break;
|
|
}
|
|
}
|
|
var device = WebGPU.getJsObject(devicePtr);
|
|
WebGPU.Internals.jsObjectInsert(shaderModulePtr, device.createShaderModule(desc));
|
|
};
|
|
|
|
var _emwgpuDeviceDestroy = devicePtr => {
|
|
const device = WebGPU.getJsObject(devicePtr);
|
|
// Remove the onuncapturederror handler which holds a pointer to the WGPUDevice.
|
|
device.onuncapturederror = null;
|
|
device.destroy();
|
|
};
|
|
|
|
var _emwgpuWaitAny = (futurePtr, futureCount, timeoutMSPtr) => {
|
|
abort("TODO: Implement asyncify-free WaitAny for timeout=0");
|
|
};
|
|
|
|
var ENV = {};
|
|
|
|
var getExecutableName = () => thisProgram || "./this.program";
|
|
|
|
var getEnvStrings = () => {
|
|
if (!getEnvStrings.strings) {
|
|
// Default values.
|
|
// Browser language detection #8751
|
|
var lang = (globalThis.navigator?.language ?? "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 _environ_get = (__environ, environ_buf) => {
|
|
var bufSize = 0;
|
|
var envp = 0;
|
|
for (var string of getEnvStrings()) {
|
|
var ptr = environ_buf + bufSize;
|
|
HEAPU32[(((__environ) + (envp)) >> 2)] = ptr;
|
|
bufSize += stringToUTF8(string, ptr, Infinity) + 1;
|
|
envp += 4;
|
|
}
|
|
return 0;
|
|
};
|
|
|
|
var _environ_sizes_get = (penviron_count, penviron_buf_size) => {
|
|
var strings = getEnvStrings();
|
|
HEAPU32[((penviron_count) >> 2)] = strings.length;
|
|
var bufSize = 0;
|
|
for (var string of strings) {
|
|
bufSize += lengthBytesUTF8(string) + 1;
|
|
}
|
|
HEAPU32[((penviron_buf_size) >> 2)] = bufSize;
|
|
return 0;
|
|
};
|
|
|
|
function _fd_close(fd) {
|
|
try {
|
|
var stream = SYSCALLS.getStreamFromFD(fd);
|
|
FS.close(stream);
|
|
return 0;
|
|
} catch (e) {
|
|
if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
|
|
return e.errno;
|
|
}
|
|
}
|
|
|
|
/** @param {number=} offset */ var doReadv = (stream, iov, iovcnt, offset) => {
|
|
var ret = 0;
|
|
for (var i = 0; i < iovcnt; i++) {
|
|
var ptr = HEAPU32[((iov) >> 2)];
|
|
var len = HEAPU32[(((iov) + (4)) >> 2)];
|
|
iov += 8;
|
|
var curr = FS.read(stream, HEAP8, ptr, len, offset);
|
|
if (curr < 0) return -1;
|
|
ret += curr;
|
|
if (curr < len) break;
|
|
// nothing more to read
|
|
if (typeof offset != "undefined") {
|
|
offset += curr;
|
|
}
|
|
}
|
|
return ret;
|
|
};
|
|
|
|
function _fd_read(fd, iov, iovcnt, pnum) {
|
|
try {
|
|
var stream = SYSCALLS.getStreamFromFD(fd);
|
|
var num = doReadv(stream, iov, iovcnt);
|
|
HEAPU32[((pnum) >> 2)] = num;
|
|
return 0;
|
|
} catch (e) {
|
|
if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
|
|
return e.errno;
|
|
}
|
|
}
|
|
|
|
function _fd_seek(fd, offset_low, offset_high, whence, newOffset) {
|
|
var offset = convertI32PairToI53Checked(offset_low, offset_high);
|
|
try {
|
|
if (isNaN(offset)) return 61;
|
|
var stream = SYSCALLS.getStreamFromFD(fd);
|
|
FS.llseek(stream, offset, whence);
|
|
(tempI64 = [ stream.position >>> 0, (tempDouble = stream.position, (+(Math.abs(tempDouble))) >= 1 ? (tempDouble > 0 ? (+(Math.floor((tempDouble) / 4294967296))) >>> 0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble))) >>> 0)) / 4294967296))))) >>> 0) : 0) ],
|
|
HEAP32[((newOffset) >> 2)] = tempI64[0], HEAP32[(((newOffset) + (4)) >> 2)] = tempI64[1]);
|
|
if (stream.getdents && offset === 0 && whence === 0) stream.getdents = null;
|
|
// reset readdir state
|
|
return 0;
|
|
} catch (e) {
|
|
if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
|
|
return e.errno;
|
|
}
|
|
}
|
|
|
|
/** @param {number=} offset */ var doWritev = (stream, iov, iovcnt, offset) => {
|
|
var ret = 0;
|
|
for (var i = 0; i < iovcnt; i++) {
|
|
var ptr = HEAPU32[((iov) >> 2)];
|
|
var len = HEAPU32[(((iov) + (4)) >> 2)];
|
|
iov += 8;
|
|
var curr = FS.write(stream, HEAP8, ptr, len, offset);
|
|
if (curr < 0) return -1;
|
|
ret += curr;
|
|
if (curr < len) {
|
|
// No more space to write.
|
|
break;
|
|
}
|
|
if (typeof offset != "undefined") {
|
|
offset += curr;
|
|
}
|
|
}
|
|
return ret;
|
|
};
|
|
|
|
function _fd_write(fd, iov, iovcnt, pnum) {
|
|
try {
|
|
var stream = SYSCALLS.getStreamFromFD(fd);
|
|
var num = doWritev(stream, iov, iovcnt);
|
|
HEAPU32[((pnum) >> 2)] = num;
|
|
return 0;
|
|
} catch (e) {
|
|
if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
|
|
return e.errno;
|
|
}
|
|
}
|
|
|
|
var _emscripten_glActiveTexture = x0 => GLctx.activeTexture(x0);
|
|
|
|
var _glActiveTexture = _emscripten_glActiveTexture;
|
|
|
|
var _emscripten_glAttachShader = (program, shader) => {
|
|
GLctx.attachShader(GL.programs[program], GL.shaders[shader]);
|
|
};
|
|
|
|
var _glAttachShader = _emscripten_glAttachShader;
|
|
|
|
var _emscripten_glBindAttribLocation = (program, index, name) => {
|
|
GLctx.bindAttribLocation(GL.programs[program], index, UTF8ToString(name));
|
|
};
|
|
|
|
var _glBindAttribLocation = _emscripten_glBindAttribLocation;
|
|
|
|
var _emscripten_glBindBuffer = (target, buffer) => {
|
|
// Calling glBindBuffer with an unknown buffer will implicitly create a
|
|
// new one. Here we bypass `GL.counter` and directly using the ID passed
|
|
// in.
|
|
if (buffer && !GL.buffers[buffer]) {
|
|
var b = GLctx.createBuffer();
|
|
b.name = buffer;
|
|
GL.buffers[buffer] = b;
|
|
}
|
|
if (target == 34962) {
|
|
GLctx.currentArrayBufferBinding = buffer;
|
|
} else if (target == 34963) {
|
|
GLctx.currentElementArrayBufferBinding = 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 _glBindBuffer = _emscripten_glBindBuffer;
|
|
|
|
var _emscripten_glBindBufferBase = (target, index, buffer) => {
|
|
GLctx.bindBufferBase(target, index, GL.buffers[buffer]);
|
|
};
|
|
|
|
var _glBindBufferBase = _emscripten_glBindBufferBase;
|
|
|
|
var _emscripten_glBindFramebuffer = (target, framebuffer) => {
|
|
GLctx.bindFramebuffer(target, GL.framebuffers[framebuffer]);
|
|
};
|
|
|
|
var _glBindFramebuffer = _emscripten_glBindFramebuffer;
|
|
|
|
var _emscripten_glBindTexture = (target, texture) => {
|
|
GLctx.bindTexture(target, GL.textures[texture]);
|
|
};
|
|
|
|
var _glBindTexture = _emscripten_glBindTexture;
|
|
|
|
var _emscripten_glBindVertexArray = vao => {
|
|
GLctx.bindVertexArray(GL.vaos[vao]);
|
|
var ibo = GLctx.getParameter(34965);
|
|
GLctx.currentElementArrayBufferBinding = ibo ? (ibo.name | 0) : 0;
|
|
};
|
|
|
|
var _glBindVertexArray = _emscripten_glBindVertexArray;
|
|
|
|
var _emscripten_glBlendEquation = x0 => GLctx.blendEquation(x0);
|
|
|
|
var _glBlendEquation = _emscripten_glBlendEquation;
|
|
|
|
var _emscripten_glBlendFunc = (x0, x1) => GLctx.blendFunc(x0, x1);
|
|
|
|
var _glBlendFunc = _emscripten_glBlendFunc;
|
|
|
|
var _emscripten_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, HEAPU8, 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 ? HEAPU8.subarray(data, data + size) : size, usage);
|
|
};
|
|
|
|
var _glBufferData = _emscripten_glBufferData;
|
|
|
|
var _emscripten_glClear = x0 => GLctx.clear(x0);
|
|
|
|
var _glClear = _emscripten_glClear;
|
|
|
|
var _emscripten_glClearColor = (x0, x1, x2, x3) => GLctx.clearColor(x0, x1, x2, x3);
|
|
|
|
var _glClearColor = _emscripten_glClearColor;
|
|
|
|
var convertI32PairToI53 = (lo, hi) => (lo >>> 0) + hi * 4294967296;
|
|
|
|
var _emscripten_glClientWaitSync = (sync, flags, timeout_low, timeout_high) => {
|
|
// WebGL2 vs GLES3 differences: in GLES3, the timeout parameter is a uint64, where 0xFFFFFFFFFFFFFFFFULL means GL_TIMEOUT_IGNORED.
|
|
// In JS, there's no 64-bit value types, so instead timeout is taken to be signed, and GL_TIMEOUT_IGNORED is given value -1.
|
|
// Inherently the value accepted in the timeout is lossy, and can't take in arbitrary u64 bit pattern (but most likely doesn't matter)
|
|
// See https://www.khronos.org/registry/webgl/specs/latest/2.0/#5.15
|
|
var timeout = convertI32PairToI53(timeout_low, timeout_high);
|
|
return GLctx.clientWaitSync(GL.syncs[sync], flags, timeout);
|
|
};
|
|
|
|
var _glClientWaitSync = _emscripten_glClientWaitSync;
|
|
|
|
var _emscripten_glColorMask = (red, green, blue, alpha) => {
|
|
GLctx.colorMask(!!red, !!green, !!blue, !!alpha);
|
|
};
|
|
|
|
var _glColorMask = _emscripten_glColorMask;
|
|
|
|
var _emscripten_glCompileShader = shader => {
|
|
GLctx.compileShader(GL.shaders[shader]);
|
|
};
|
|
|
|
var _glCompileShader = _emscripten_glCompileShader;
|
|
|
|
var _emscripten_glCreateProgram = () => {
|
|
var id = GL.getNewId(GL.programs);
|
|
var program = GLctx.createProgram();
|
|
// Store additional information needed for each shader program:
|
|
program.name = id;
|
|
// Lazy cache results of
|
|
// glGetProgramiv(GL_ACTIVE_UNIFORM_MAX_LENGTH/GL_ACTIVE_ATTRIBUTE_MAX_LENGTH/GL_ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH)
|
|
program.maxUniformLength = program.maxAttributeLength = program.maxUniformBlockNameLength = 0;
|
|
program.uniformIdCounter = 1;
|
|
GL.programs[id] = program;
|
|
return id;
|
|
};
|
|
|
|
var _glCreateProgram = _emscripten_glCreateProgram;
|
|
|
|
var _emscripten_glCreateShader = shaderType => {
|
|
var id = GL.getNewId(GL.shaders);
|
|
GL.shaders[id] = GLctx.createShader(shaderType);
|
|
return id;
|
|
};
|
|
|
|
var _glCreateShader = _emscripten_glCreateShader;
|
|
|
|
var _emscripten_glDeleteBuffers = (n, buffers) => {
|
|
for (var i = 0; i < n; i++) {
|
|
var id = HEAP32[(((buffers) + (i * 4)) >> 2)];
|
|
var buffer = GL.buffers[id];
|
|
// From spec: "glDeleteBuffers silently ignores 0's and names that do not
|
|
// correspond to existing buffer objects."
|
|
if (!buffer) continue;
|
|
GLctx.deleteBuffer(buffer);
|
|
buffer.name = 0;
|
|
GL.buffers[id] = null;
|
|
if (id == GLctx.currentArrayBufferBinding) GLctx.currentArrayBufferBinding = 0;
|
|
if (id == GLctx.currentElementArrayBufferBinding) GLctx.currentElementArrayBufferBinding = 0;
|
|
if (id == GLctx.currentPixelPackBufferBinding) GLctx.currentPixelPackBufferBinding = 0;
|
|
if (id == GLctx.currentPixelUnpackBufferBinding) GLctx.currentPixelUnpackBufferBinding = 0;
|
|
}
|
|
};
|
|
|
|
var _glDeleteBuffers = _emscripten_glDeleteBuffers;
|
|
|
|
var _emscripten_glDeleteFramebuffers = (n, framebuffers) => {
|
|
for (var i = 0; i < n; ++i) {
|
|
var id = HEAP32[(((framebuffers) + (i * 4)) >> 2)];
|
|
var framebuffer = GL.framebuffers[id];
|
|
if (!framebuffer) continue;
|
|
// GL spec: "glDeleteFramebuffers silently ignores 0s and names that do not correspond to existing framebuffer objects".
|
|
GLctx.deleteFramebuffer(framebuffer);
|
|
framebuffer.name = 0;
|
|
GL.framebuffers[id] = null;
|
|
}
|
|
};
|
|
|
|
var _glDeleteFramebuffers = _emscripten_glDeleteFramebuffers;
|
|
|
|
var _emscripten_glDeleteProgram = id => {
|
|
if (!id) return;
|
|
var program = GL.programs[id];
|
|
if (!program) {
|
|
// glDeleteProgram actually signals an error when deleting a nonexisting
|
|
// object, unlike some other GL delete functions.
|
|
GL.recordError(1281);
|
|
return;
|
|
}
|
|
GLctx.deleteProgram(program);
|
|
program.name = 0;
|
|
GL.programs[id] = null;
|
|
};
|
|
|
|
var _glDeleteProgram = _emscripten_glDeleteProgram;
|
|
|
|
var _emscripten_glDeleteShader = id => {
|
|
if (!id) return;
|
|
var shader = GL.shaders[id];
|
|
if (!shader) {
|
|
// glDeleteShader actually signals an error when deleting a nonexisting
|
|
// object, unlike some other GL delete functions.
|
|
GL.recordError(1281);
|
|
return;
|
|
}
|
|
GLctx.deleteShader(shader);
|
|
GL.shaders[id] = null;
|
|
};
|
|
|
|
var _glDeleteShader = _emscripten_glDeleteShader;
|
|
|
|
var _emscripten_glDeleteSync = id => {
|
|
if (!id) return;
|
|
var sync = GL.syncs[id];
|
|
if (!sync) {
|
|
// glDeleteSync signals an error when deleting a nonexisting object, unlike some other GL delete functions.
|
|
GL.recordError(1281);
|
|
return;
|
|
}
|
|
GLctx.deleteSync(sync);
|
|
sync.name = 0;
|
|
GL.syncs[id] = null;
|
|
};
|
|
|
|
var _glDeleteSync = _emscripten_glDeleteSync;
|
|
|
|
var _emscripten_glDeleteTextures = (n, textures) => {
|
|
for (var i = 0; i < n; i++) {
|
|
var id = HEAP32[(((textures) + (i * 4)) >> 2)];
|
|
var texture = GL.textures[id];
|
|
// GL spec: "glDeleteTextures silently ignores 0s and names that do not
|
|
// correspond to existing textures".
|
|
if (!texture) continue;
|
|
GLctx.deleteTexture(texture);
|
|
texture.name = 0;
|
|
GL.textures[id] = null;
|
|
}
|
|
};
|
|
|
|
var _glDeleteTextures = _emscripten_glDeleteTextures;
|
|
|
|
var _emscripten_glDeleteVertexArrays = (n, vaos) => {
|
|
for (var i = 0; i < n; i++) {
|
|
var id = HEAP32[(((vaos) + (i * 4)) >> 2)];
|
|
GLctx.deleteVertexArray(GL.vaos[id]);
|
|
GL.vaos[id] = null;
|
|
}
|
|
};
|
|
|
|
var _glDeleteVertexArrays = _emscripten_glDeleteVertexArrays;
|
|
|
|
var _emscripten_glDetachShader = (program, shader) => {
|
|
GLctx.detachShader(GL.programs[program], GL.shaders[shader]);
|
|
};
|
|
|
|
var _glDetachShader = _emscripten_glDetachShader;
|
|
|
|
var _emscripten_glDisable = x0 => GLctx.disable(x0);
|
|
|
|
var _glDisable = _emscripten_glDisable;
|
|
|
|
var _emscripten_glDisableVertexAttribArray = index => {
|
|
var cb = GL.currentContext.clientBuffers[index];
|
|
cb.enabled = false;
|
|
GLctx.disableVertexAttribArray(index);
|
|
};
|
|
|
|
var _glDisableVertexAttribArray = _emscripten_glDisableVertexAttribArray;
|
|
|
|
var _emscripten_glDrawArrays = (mode, first, count) => {
|
|
// bind any client-side buffers
|
|
GL.preDrawHandleClientVertexAttribBindings(first + count);
|
|
GLctx.drawArrays(mode, first, count);
|
|
GL.postDrawHandleClientVertexAttribBindings();
|
|
};
|
|
|
|
var _glDrawArrays = _emscripten_glDrawArrays;
|
|
|
|
var tempFixedLengthArray = [];
|
|
|
|
var _emscripten_glDrawBuffers = (n, bufs) => {
|
|
var bufArray = tempFixedLengthArray[n];
|
|
for (var i = 0; i < n; i++) {
|
|
bufArray[i] = HEAP32[(((bufs) + (i * 4)) >> 2)];
|
|
}
|
|
GLctx.drawBuffers(bufArray);
|
|
};
|
|
|
|
var _glDrawBuffers = _emscripten_glDrawBuffers;
|
|
|
|
var _emscripten_glEnable = x0 => GLctx.enable(x0);
|
|
|
|
var _glEnable = _emscripten_glEnable;
|
|
|
|
var _emscripten_glEnableVertexAttribArray = index => {
|
|
var cb = GL.currentContext.clientBuffers[index];
|
|
cb.enabled = true;
|
|
GLctx.enableVertexAttribArray(index);
|
|
};
|
|
|
|
var _glEnableVertexAttribArray = _emscripten_glEnableVertexAttribArray;
|
|
|
|
var _emscripten_glFenceSync = (condition, flags) => {
|
|
var sync = GLctx.fenceSync(condition, flags);
|
|
if (sync) {
|
|
var id = GL.getNewId(GL.syncs);
|
|
sync.name = id;
|
|
GL.syncs[id] = sync;
|
|
return id;
|
|
}
|
|
return 0;
|
|
};
|
|
|
|
var _glFenceSync = _emscripten_glFenceSync;
|
|
|
|
var _emscripten_glFinish = () => GLctx.finish();
|
|
|
|
var _glFinish = _emscripten_glFinish;
|
|
|
|
var _emscripten_glFlush = () => GLctx.flush();
|
|
|
|
var _glFlush = _emscripten_glFlush;
|
|
|
|
var _emscripten_glFramebufferTexture2D = (target, attachment, textarget, texture, level) => {
|
|
GLctx.framebufferTexture2D(target, attachment, textarget, GL.textures[texture], level);
|
|
};
|
|
|
|
var _glFramebufferTexture2D = _emscripten_glFramebufferTexture2D;
|
|
|
|
var _emscripten_glFramebufferTextureLayer = (target, attachment, texture, level, layer) => {
|
|
GLctx.framebufferTextureLayer(target, attachment, GL.textures[texture], level, layer);
|
|
};
|
|
|
|
var _glFramebufferTextureLayer = _emscripten_glFramebufferTextureLayer;
|
|
|
|
var _emscripten_glGenBuffers = (n, buffers) => {
|
|
GL.genObject(n, buffers, "createBuffer", GL.buffers);
|
|
};
|
|
|
|
var _glGenBuffers = _emscripten_glGenBuffers;
|
|
|
|
var _emscripten_glGenFramebuffers = (n, ids) => {
|
|
GL.genObject(n, ids, "createFramebuffer", GL.framebuffers);
|
|
};
|
|
|
|
var _glGenFramebuffers = _emscripten_glGenFramebuffers;
|
|
|
|
var _emscripten_glGenTextures = (n, textures) => {
|
|
GL.genObject(n, textures, "createTexture", GL.textures);
|
|
};
|
|
|
|
var _glGenTextures = _emscripten_glGenTextures;
|
|
|
|
var _emscripten_glGenVertexArrays = (n, arrays) => {
|
|
GL.genObject(n, arrays, "createVertexArray", GL.vaos);
|
|
};
|
|
|
|
var _glGenVertexArrays = _emscripten_glGenVertexArrays;
|
|
|
|
var _emscripten_glGetAttribLocation = (program, name) => GLctx.getAttribLocation(GL.programs[program], UTF8ToString(name));
|
|
|
|
var _glGetAttribLocation = _emscripten_glGetAttribLocation;
|
|
|
|
var _emscripten_glGetError = () => {
|
|
var error = GLctx.getError() || GL.lastError;
|
|
GL.lastError = 0;
|
|
return error;
|
|
};
|
|
|
|
var _glGetError = _emscripten_glGetError;
|
|
|
|
var webglGetExtensions = () => {
|
|
var exts = getEmscriptenSupportedExtensions(GLctx);
|
|
exts = exts.concat(exts.map(e => "GL_" + e));
|
|
return exts;
|
|
};
|
|
|
|
var emscriptenWebGLGet = (name_, p, type) => {
|
|
// Guard against user passing a null pointer.
|
|
// Note that GLES2 spec does not say anything about how passing a null
|
|
// pointer should be treated. Testing on desktop core GL 3, the application
|
|
// crashes on glGetIntegerv to a null pointer, but better to report an error
|
|
// instead of doing anything random.
|
|
if (!p) {
|
|
GL.recordError(1281);
|
|
return;
|
|
}
|
|
var ret = undefined;
|
|
switch (name_) {
|
|
// Handle a few trivial GLES values
|
|
case 36346:
|
|
// GL_SHADER_COMPILER
|
|
ret = 1;
|
|
break;
|
|
|
|
case 36344:
|
|
// GL_SHADER_BINARY_FORMATS
|
|
if (type != 0 && type != 1) {
|
|
GL.recordError(1280);
|
|
}
|
|
// Do not write anything to the out pointer, since no binary formats are
|
|
// supported.
|
|
return;
|
|
|
|
case 34814:
|
|
// GL_NUM_PROGRAM_BINARY_FORMATS
|
|
case 36345:
|
|
// GL_NUM_SHADER_BINARY_FORMATS
|
|
ret = 0;
|
|
break;
|
|
|
|
case 34466:
|
|
// GL_NUM_COMPRESSED_TEXTURE_FORMATS
|
|
// WebGL doesn't have GL_NUM_COMPRESSED_TEXTURE_FORMATS (it's obsolete
|
|
// since GL_COMPRESSED_TEXTURE_FORMATS returns a JS array that can be
|
|
// queried for length), so implement it ourselves to allow C++ GLES2
|
|
// code to get the length.
|
|
var formats = GLctx.getParameter(34467);
|
|
ret = formats ? formats.length : 0;
|
|
break;
|
|
|
|
case 33309:
|
|
// GL_NUM_EXTENSIONS
|
|
if (GL.currentContext.version < 2) {
|
|
// Calling GLES3/WebGL2 function with a GLES2/WebGL1 context
|
|
GL.recordError(1282);
|
|
return;
|
|
}
|
|
ret = webglGetExtensions().length;
|
|
break;
|
|
|
|
case 33307:
|
|
// GL_MAJOR_VERSION
|
|
case 33308:
|
|
// GL_MINOR_VERSION
|
|
if (GL.currentContext.version < 2) {
|
|
GL.recordError(1280);
|
|
// GL_INVALID_ENUM
|
|
return;
|
|
}
|
|
ret = name_ == 33307 ? 3 : 0;
|
|
// return version 3.0
|
|
break;
|
|
}
|
|
if (ret === undefined) {
|
|
var result = GLctx.getParameter(name_);
|
|
switch (typeof result) {
|
|
case "number":
|
|
ret = result;
|
|
break;
|
|
|
|
case "boolean":
|
|
ret = result ? 1 : 0;
|
|
break;
|
|
|
|
case "string":
|
|
GL.recordError(1280);
|
|
// GL_INVALID_ENUM
|
|
return;
|
|
|
|
case "object":
|
|
if (result === null) {
|
|
// null is a valid result for some (e.g., which buffer is bound -
|
|
// perhaps nothing is bound), but otherwise can mean an invalid
|
|
// name_, which we need to report as an error
|
|
switch (name_) {
|
|
case 34964:
|
|
// ARRAY_BUFFER_BINDING
|
|
case 35725:
|
|
// CURRENT_PROGRAM
|
|
case 34965:
|
|
// ELEMENT_ARRAY_BUFFER_BINDING
|
|
case 36006:
|
|
// FRAMEBUFFER_BINDING or DRAW_FRAMEBUFFER_BINDING
|
|
case 36007:
|
|
// RENDERBUFFER_BINDING
|
|
case 32873:
|
|
// TEXTURE_BINDING_2D
|
|
case 34229:
|
|
// WebGL 2 GL_VERTEX_ARRAY_BINDING, or WebGL 1 extension OES_vertex_array_object GL_VERTEX_ARRAY_BINDING_OES
|
|
case 36662:
|
|
// COPY_READ_BUFFER_BINDING or COPY_READ_BUFFER
|
|
case 36663:
|
|
// COPY_WRITE_BUFFER_BINDING or COPY_WRITE_BUFFER
|
|
case 35053:
|
|
// PIXEL_PACK_BUFFER_BINDING
|
|
case 35055:
|
|
// PIXEL_UNPACK_BUFFER_BINDING
|
|
case 36010:
|
|
// READ_FRAMEBUFFER_BINDING
|
|
case 35097:
|
|
// SAMPLER_BINDING
|
|
case 35869:
|
|
// TEXTURE_BINDING_2D_ARRAY
|
|
case 32874:
|
|
// TEXTURE_BINDING_3D
|
|
case 36389:
|
|
// TRANSFORM_FEEDBACK_BINDING
|
|
case 35983:
|
|
// TRANSFORM_FEEDBACK_BUFFER_BINDING
|
|
case 35368:
|
|
// UNIFORM_BUFFER_BINDING
|
|
case 34068:
|
|
{
|
|
// TEXTURE_BINDING_CUBE_MAP
|
|
ret = 0;
|
|
break;
|
|
}
|
|
|
|
default:
|
|
{
|
|
GL.recordError(1280);
|
|
// GL_INVALID_ENUM
|
|
return;
|
|
}
|
|
}
|
|
} else if (result instanceof Float32Array || result instanceof Uint32Array || result instanceof Int32Array || result instanceof Array) {
|
|
for (var i = 0; i < result.length; ++i) {
|
|
switch (type) {
|
|
case 0:
|
|
HEAP32[(((p) + (i * 4)) >> 2)] = result[i];
|
|
break;
|
|
|
|
case 2:
|
|
HEAPF32[(((p) + (i * 4)) >> 2)] = result[i];
|
|
break;
|
|
|
|
case 4:
|
|
HEAP8[(p) + (i)] = result[i] ? 1 : 0;
|
|
break;
|
|
}
|
|
}
|
|
return;
|
|
} else {
|
|
try {
|
|
ret = result.name | 0;
|
|
} catch (e) {
|
|
GL.recordError(1280);
|
|
// GL_INVALID_ENUM
|
|
err(`GL_INVALID_ENUM in glGet${type}v: Unknown object returned from WebGL getParameter(${name_})! (error: ${e})`);
|
|
return;
|
|
}
|
|
}
|
|
break;
|
|
|
|
default:
|
|
GL.recordError(1280);
|
|
// GL_INVALID_ENUM
|
|
err(`GL_INVALID_ENUM in glGet${type}v: Native code calling glGet${type}v(${name_}) and it returns ${result} of type ${typeof (result)}!`);
|
|
return;
|
|
}
|
|
}
|
|
switch (type) {
|
|
case 1:
|
|
writeI53ToI64(p, ret);
|
|
break;
|
|
|
|
case 0:
|
|
HEAP32[((p) >> 2)] = ret;
|
|
break;
|
|
|
|
case 2:
|
|
HEAPF32[((p) >> 2)] = ret;
|
|
break;
|
|
|
|
case 4:
|
|
HEAP8[p] = ret ? 1 : 0;
|
|
break;
|
|
}
|
|
};
|
|
|
|
var _emscripten_glGetFloatv = (name_, p) => emscriptenWebGLGet(name_, p, 2);
|
|
|
|
var _glGetFloatv = _emscripten_glGetFloatv;
|
|
|
|
var _emscripten_glGetIntegerv = (name_, p) => emscriptenWebGLGet(name_, p, 0);
|
|
|
|
var _glGetIntegerv = _emscripten_glGetIntegerv;
|
|
|
|
var _emscripten_glGetProgramiv = (program, pname, p) => {
|
|
if (!p) {
|
|
// GLES2 specification does not specify how to behave if p is a null
|
|
// pointer. Since calling this function does not make sense if p == null,
|
|
// issue a GL error to notify user about it.
|
|
GL.recordError(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)";
|
|
HEAP32[((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);
|
|
}
|
|
}
|
|
HEAP32[((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);
|
|
}
|
|
}
|
|
HEAP32[((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);
|
|
}
|
|
}
|
|
HEAP32[((p) >> 2)] = program.maxUniformBlockNameLength;
|
|
} else {
|
|
HEAP32[((p) >> 2)] = GLctx.getProgramParameter(program, pname);
|
|
}
|
|
};
|
|
|
|
var _glGetProgramiv = _emscripten_glGetProgramiv;
|
|
|
|
var _emscripten_glGetShaderInfoLog = (shader, maxLength, length, infoLog) => {
|
|
var log = GLctx.getShaderInfoLog(GL.shaders[shader]);
|
|
if (log === null) log = "(unknown error)";
|
|
var numBytesWrittenExclNull = (maxLength > 0 && infoLog) ? stringToUTF8(log, infoLog, maxLength) : 0;
|
|
if (length) HEAP32[((length) >> 2)] = numBytesWrittenExclNull;
|
|
};
|
|
|
|
var _glGetShaderInfoLog = _emscripten_glGetShaderInfoLog;
|
|
|
|
var _emscripten_glGetShaderiv = (shader, pname, p) => {
|
|
if (!p) {
|
|
// GLES2 specification does not specify how to behave if p is a null
|
|
// pointer. Since calling this function does not make sense if p == null,
|
|
// issue a GL error to notify user about it.
|
|
GL.recordError(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;
|
|
HEAP32[((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;
|
|
HEAP32[((p) >> 2)] = sourceLength;
|
|
} else {
|
|
HEAP32[((p) >> 2)] = GLctx.getShaderParameter(GL.shaders[shader], pname);
|
|
}
|
|
};
|
|
|
|
var _glGetShaderiv = _emscripten_glGetShaderiv;
|
|
|
|
var _emscripten_glGetString = name_ => {
|
|
var ret = GL.stringCache[name_];
|
|
if (!ret) {
|
|
switch (name_) {
|
|
case 7939:
|
|
ret = stringToNewUTF8(webglGetExtensions().join(" "));
|
|
break;
|
|
|
|
case 7936:
|
|
case 7937:
|
|
case 37445:
|
|
case 37446:
|
|
var s = GLctx.getParameter(name_);
|
|
if (!s) {
|
|
GL.recordError(1280);
|
|
}
|
|
ret = s ? stringToNewUTF8(s) : 0;
|
|
break;
|
|
|
|
case 7938:
|
|
var webGLVersion = GLctx.getParameter(7938);
|
|
// return GLES version string corresponding to the version of the WebGL context
|
|
var glVersion = `OpenGL ES 2.0 (${webGLVersion})`;
|
|
if (GL.currentContext.version >= 2) glVersion = `OpenGL ES 3.0 (${webGLVersion})`;
|
|
ret = stringToNewUTF8(glVersion);
|
|
break;
|
|
|
|
case 35724:
|
|
var glslVersion = GLctx.getParameter(35724);
|
|
// extract the version number 'N.M' from the string 'WebGL GLSL ES N.M ...'
|
|
var ver_re = /^WebGL GLSL ES ([0-9]\.[0-9][0-9]?)(?:$| .*)/;
|
|
var ver_num = glslVersion.match(ver_re);
|
|
if (ver_num !== null) {
|
|
if (ver_num[1].length == 3) ver_num[1] = ver_num[1] + "0";
|
|
// ensure minor version has 2 digits
|
|
glslVersion = `OpenGL ES GLSL ES ${ver_num[1]} (${glslVersion})`;
|
|
}
|
|
ret = stringToNewUTF8(glslVersion);
|
|
break;
|
|
|
|
default:
|
|
GL.recordError(1280);
|
|
}
|
|
GL.stringCache[name_] = ret;
|
|
}
|
|
return ret;
|
|
};
|
|
|
|
var _glGetString = _emscripten_glGetString;
|
|
|
|
var _emscripten_glGetUniformBlockIndex = (program, uniformBlockName) => GLctx.getUniformBlockIndex(GL.programs[program], UTF8ToString(uniformBlockName));
|
|
|
|
var _glGetUniformBlockIndex = _emscripten_glGetUniformBlockIndex;
|
|
|
|
/** @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 _emscripten_glGetUniformLocation = (program, name) => {
|
|
name = UTF8ToString(name);
|
|
if (program = GL.programs[program]) {
|
|
webglPrepareUniformLocationsBeforeFirstUse(program);
|
|
var uniformLocsById = program.uniformLocsById;
|
|
// Maps GLuint -> WebGLUniformLocation
|
|
var arrayIndex = 0;
|
|
var uniformBaseName = name;
|
|
// Invariant: when populating integer IDs for uniform locations, we must
|
|
// maintain the precondition that arrays reside in contiguous addresses,
|
|
// i.e. for a 'vec4 colors[10];', colors[4] must be at location
|
|
// colors[0]+4. However, user might call glGetUniformLocation(program,
|
|
// "colors") for an array, so we cannot discover based on the user input
|
|
// arguments whether the uniform we are dealing with is an array. The only
|
|
// way to discover which uniforms are arrays is to enumerate over all the
|
|
// active uniforms in the program.
|
|
var leftBrace = webglGetLeftBracePos(name);
|
|
// If user passed an array accessor "[index]", parse the array index off the accessor.
|
|
if (leftBrace > 0) {
|
|
arrayIndex = jstoi_q(name.slice(leftBrace + 1)) >>> 0;
|
|
// "index]", coerce parseInt(']') with >>>0 to treat "foo[]" as "foo[0]" and foo[-1] as unsigned out-of-bounds.
|
|
uniformBaseName = name.slice(0, leftBrace);
|
|
}
|
|
// Have we cached the location of this uniform before?
|
|
// A pair [array length, GLint of the uniform location]
|
|
var sizeAndId = program.uniformSizeAndIdsByName[uniformBaseName];
|
|
// If a 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 _glGetUniformLocation = _emscripten_glGetUniformLocation;
|
|
|
|
var _emscripten_glLineWidth = x0 => GLctx.lineWidth(x0);
|
|
|
|
var _glLineWidth = _emscripten_glLineWidth;
|
|
|
|
var _emscripten_glLinkProgram = program => {
|
|
program = GL.programs[program];
|
|
GLctx.linkProgram(program);
|
|
// Invalidate earlier computed uniform->ID mappings, those have now become stale
|
|
program.uniformLocsById = 0;
|
|
// Mark as null-like so that glGetUniformLocation() knows to populate this again.
|
|
program.uniformSizeAndIdsByName = {};
|
|
};
|
|
|
|
var _glLinkProgram = _emscripten_glLinkProgram;
|
|
|
|
var _emscripten_glPixelStorei = (pname, param) => {
|
|
if (pname == 3317) {
|
|
GL.unpackAlignment = param;
|
|
} else if (pname == 3314) {
|
|
GL.unpackRowLength = param;
|
|
}
|
|
GLctx.pixelStorei(pname, param);
|
|
};
|
|
|
|
var _glPixelStorei = _emscripten_glPixelStorei;
|
|
|
|
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 HEAP8;
|
|
if (type == 1) return HEAPU8;
|
|
if (type == 2) return HEAP16;
|
|
if (type == 4) return HEAP32;
|
|
if (type == 6) return HEAPF32;
|
|
if (type == 5 || type == 28922 || type == 28520 || type == 30779 || type == 30782) return HEAPU32;
|
|
return HEAPU16;
|
|
};
|
|
|
|
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 _emscripten_glReadPixels = (x, y, width, height, format, type, pixels) => {
|
|
if (GL.currentContext.version >= 2) {
|
|
if (GLctx.currentPixelPackBufferBinding) {
|
|
GLctx.readPixels(x, y, width, height, format, type, pixels);
|
|
return;
|
|
}
|
|
var heap = heapObjectForWebGLType(type);
|
|
var target = toTypedArrayIndex(pixels, heap);
|
|
GLctx.readPixels(x, y, width, height, format, type, heap, target);
|
|
return;
|
|
}
|
|
var pixelData = emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, format);
|
|
if (!pixelData) {
|
|
GL.recordError(1280);
|
|
return;
|
|
}
|
|
GLctx.readPixels(x, y, width, height, format, type, pixelData);
|
|
};
|
|
|
|
var _glReadPixels = _emscripten_glReadPixels;
|
|
|
|
var _emscripten_glShaderSource = (shader, count, string, length) => {
|
|
var source = GL.getSource(shader, count, string, length);
|
|
GLctx.shaderSource(GL.shaders[shader], source);
|
|
};
|
|
|
|
var _glShaderSource = _emscripten_glShaderSource;
|
|
|
|
var _emscripten_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 _glTexImage2D = _emscripten_glTexImage2D;
|
|
|
|
var _emscripten_glTexParameterf = (x0, x1, x2) => GLctx.texParameterf(x0, x1, x2);
|
|
|
|
var _glTexParameterf = _emscripten_glTexParameterf;
|
|
|
|
var _emscripten_glTexParameterfv = (target, pname, params) => {
|
|
var param = HEAPF32[((params) >> 2)];
|
|
GLctx.texParameterf(target, pname, param);
|
|
};
|
|
|
|
var _glTexParameterfv = _emscripten_glTexParameterfv;
|
|
|
|
var _emscripten_glTexParameteri = (x0, x1, x2) => GLctx.texParameteri(x0, x1, x2);
|
|
|
|
var _glTexParameteri = _emscripten_glTexParameteri;
|
|
|
|
var _emscripten_glTexStorage2D = (x0, x1, x2, x3, x4) => GLctx.texStorage2D(x0, x1, x2, x3, x4);
|
|
|
|
var _glTexStorage2D = _emscripten_glTexStorage2D;
|
|
|
|
var _emscripten_glTexStorage3D = (x0, x1, x2, x3, x4, x5) => GLctx.texStorage3D(x0, x1, x2, x3, x4, x5);
|
|
|
|
var _glTexStorage3D = _emscripten_glTexStorage3D;
|
|
|
|
var _emscripten_glTexSubImage2D = (target, level, xoffset, yoffset, width, height, format, type, pixels) => {
|
|
if (GL.currentContext.version >= 2) {
|
|
if (GLctx.currentPixelUnpackBufferBinding) {
|
|
GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixels);
|
|
return;
|
|
}
|
|
if (pixels) {
|
|
var heap = heapObjectForWebGLType(type);
|
|
GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, heap, toTypedArrayIndex(pixels, heap));
|
|
return;
|
|
}
|
|
}
|
|
var pixelData = pixels ? emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, 0) : null;
|
|
GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixelData);
|
|
};
|
|
|
|
var _glTexSubImage2D = _emscripten_glTexSubImage2D;
|
|
|
|
var _emscripten_glTexSubImage3D = (target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, pixels) => {
|
|
if (GLctx.currentPixelUnpackBufferBinding) {
|
|
GLctx.texSubImage3D(target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, pixels);
|
|
} else if (pixels) {
|
|
var heap = heapObjectForWebGLType(type);
|
|
GLctx.texSubImage3D(target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, heap, toTypedArrayIndex(pixels, heap));
|
|
} else {
|
|
GLctx.texSubImage3D(target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, null);
|
|
}
|
|
};
|
|
|
|
var _glTexSubImage3D = _emscripten_glTexSubImage3D;
|
|
|
|
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 _emscripten_glUniform1f = (location, v0) => {
|
|
GLctx.uniform1f(webglGetUniformLocation(location), v0);
|
|
};
|
|
|
|
var _glUniform1f = _emscripten_glUniform1f;
|
|
|
|
var miniTempWebGLFloatBuffers = [];
|
|
|
|
var _emscripten_glUniform1fv = (location, count, value) => {
|
|
if (GL.currentContext.version >= 2) {
|
|
count && GLctx.uniform1fv(webglGetUniformLocation(location), HEAPF32, ((value) >> 2), count);
|
|
return;
|
|
}
|
|
if (count <= 288) {
|
|
// avoid allocation when uploading few enough uniforms
|
|
var view = miniTempWebGLFloatBuffers[count];
|
|
for (var i = 0; i < count; ++i) {
|
|
view[i] = HEAPF32[(((value) + (4 * i)) >> 2)];
|
|
}
|
|
} else {
|
|
var view = HEAPF32.subarray((((value) >> 2)), ((value + count * 4) >> 2));
|
|
}
|
|
GLctx.uniform1fv(webglGetUniformLocation(location), view);
|
|
};
|
|
|
|
var _glUniform1fv = _emscripten_glUniform1fv;
|
|
|
|
var _emscripten_glUniform1i = (location, v0) => {
|
|
GLctx.uniform1i(webglGetUniformLocation(location), v0);
|
|
};
|
|
|
|
var _glUniform1i = _emscripten_glUniform1i;
|
|
|
|
var _emscripten_glUniform2f = (location, v0, v1) => {
|
|
GLctx.uniform2f(webglGetUniformLocation(location), v0, v1);
|
|
};
|
|
|
|
var _glUniform2f = _emscripten_glUniform2f;
|
|
|
|
var _emscripten_glUniform2fv = (location, count, value) => {
|
|
if (GL.currentContext.version >= 2) {
|
|
count && GLctx.uniform2fv(webglGetUniformLocation(location), HEAPF32, ((value) >> 2), count * 2);
|
|
return;
|
|
}
|
|
if (count <= 144) {
|
|
// avoid allocation when uploading few enough uniforms
|
|
count *= 2;
|
|
var view = miniTempWebGLFloatBuffers[count];
|
|
for (var i = 0; i < count; i += 2) {
|
|
view[i] = HEAPF32[(((value) + (4 * i)) >> 2)];
|
|
view[i + 1] = HEAPF32[(((value) + (4 * i + 4)) >> 2)];
|
|
}
|
|
} else {
|
|
var view = HEAPF32.subarray((((value) >> 2)), ((value + count * 8) >> 2));
|
|
}
|
|
GLctx.uniform2fv(webglGetUniformLocation(location), view);
|
|
};
|
|
|
|
var _glUniform2fv = _emscripten_glUniform2fv;
|
|
|
|
var _emscripten_glUniform3f = (location, v0, v1, v2) => {
|
|
GLctx.uniform3f(webglGetUniformLocation(location), v0, v1, v2);
|
|
};
|
|
|
|
var _glUniform3f = _emscripten_glUniform3f;
|
|
|
|
var _emscripten_glUniform4f = (location, v0, v1, v2, v3) => {
|
|
GLctx.uniform4f(webglGetUniformLocation(location), v0, v1, v2, v3);
|
|
};
|
|
|
|
var _glUniform4f = _emscripten_glUniform4f;
|
|
|
|
var _emscripten_glUniform4fv = (location, count, value) => {
|
|
if (GL.currentContext.version >= 2) {
|
|
count && GLctx.uniform4fv(webglGetUniformLocation(location), HEAPF32, ((value) >> 2), count * 4);
|
|
return;
|
|
}
|
|
if (count <= 72) {
|
|
// avoid allocation when uploading few enough uniforms
|
|
var view = miniTempWebGLFloatBuffers[4 * count];
|
|
// hoist the heap out of the loop for size and for pthreads+growth.
|
|
var heap = HEAPF32;
|
|
value = ((value) >> 2);
|
|
count *= 4;
|
|
for (var i = 0; i < count; i += 4) {
|
|
var dst = value + i;
|
|
view[i] = heap[dst];
|
|
view[i + 1] = heap[dst + 1];
|
|
view[i + 2] = heap[dst + 2];
|
|
view[i + 3] = heap[dst + 3];
|
|
}
|
|
} else {
|
|
var view = HEAPF32.subarray((((value) >> 2)), ((value + count * 16) >> 2));
|
|
}
|
|
GLctx.uniform4fv(webglGetUniformLocation(location), view);
|
|
};
|
|
|
|
var _glUniform4fv = _emscripten_glUniform4fv;
|
|
|
|
var miniTempWebGLIntBuffers = [];
|
|
|
|
var _emscripten_glUniform4iv = (location, count, value) => {
|
|
if (GL.currentContext.version >= 2) {
|
|
count && GLctx.uniform4iv(webglGetUniformLocation(location), HEAP32, ((value) >> 2), count * 4);
|
|
return;
|
|
}
|
|
if (count <= 72) {
|
|
// avoid allocation when uploading few enough uniforms
|
|
count *= 4;
|
|
var view = miniTempWebGLIntBuffers[count];
|
|
for (var i = 0; i < count; i += 4) {
|
|
view[i] = HEAP32[(((value) + (4 * i)) >> 2)];
|
|
view[i + 1] = HEAP32[(((value) + (4 * i + 4)) >> 2)];
|
|
view[i + 2] = HEAP32[(((value) + (4 * i + 8)) >> 2)];
|
|
view[i + 3] = HEAP32[(((value) + (4 * i + 12)) >> 2)];
|
|
}
|
|
} else {
|
|
var view = HEAP32.subarray((((value) >> 2)), ((value + count * 16) >> 2));
|
|
}
|
|
GLctx.uniform4iv(webglGetUniformLocation(location), view);
|
|
};
|
|
|
|
var _glUniform4iv = _emscripten_glUniform4iv;
|
|
|
|
var _emscripten_glUniformBlockBinding = (program, uniformBlockIndex, uniformBlockBinding) => {
|
|
program = GL.programs[program];
|
|
GLctx.uniformBlockBinding(program, uniformBlockIndex, uniformBlockBinding);
|
|
};
|
|
|
|
var _glUniformBlockBinding = _emscripten_glUniformBlockBinding;
|
|
|
|
var _emscripten_glUniformMatrix2fv = (location, count, transpose, value) => {
|
|
if (GL.currentContext.version >= 2) {
|
|
count && GLctx.uniformMatrix2fv(webglGetUniformLocation(location), !!transpose, HEAPF32, ((value) >> 2), count * 4);
|
|
return;
|
|
}
|
|
if (count <= 72) {
|
|
// avoid allocation when uploading few enough uniforms
|
|
count *= 4;
|
|
var view = miniTempWebGLFloatBuffers[count];
|
|
for (var i = 0; i < count; i += 4) {
|
|
view[i] = HEAPF32[(((value) + (4 * i)) >> 2)];
|
|
view[i + 1] = HEAPF32[(((value) + (4 * i + 4)) >> 2)];
|
|
view[i + 2] = HEAPF32[(((value) + (4 * i + 8)) >> 2)];
|
|
view[i + 3] = HEAPF32[(((value) + (4 * i + 12)) >> 2)];
|
|
}
|
|
} else {
|
|
var view = HEAPF32.subarray((((value) >> 2)), ((value + count * 16) >> 2));
|
|
}
|
|
GLctx.uniformMatrix2fv(webglGetUniformLocation(location), !!transpose, view);
|
|
};
|
|
|
|
var _glUniformMatrix2fv = _emscripten_glUniformMatrix2fv;
|
|
|
|
var _emscripten_glUniformMatrix3fv = (location, count, transpose, value) => {
|
|
if (GL.currentContext.version >= 2) {
|
|
count && GLctx.uniformMatrix3fv(webglGetUniformLocation(location), !!transpose, HEAPF32, ((value) >> 2), count * 9);
|
|
return;
|
|
}
|
|
if (count <= 32) {
|
|
// avoid allocation when uploading few enough uniforms
|
|
count *= 9;
|
|
var view = miniTempWebGLFloatBuffers[count];
|
|
for (var i = 0; i < count; i += 9) {
|
|
view[i] = HEAPF32[(((value) + (4 * i)) >> 2)];
|
|
view[i + 1] = HEAPF32[(((value) + (4 * i + 4)) >> 2)];
|
|
view[i + 2] = HEAPF32[(((value) + (4 * i + 8)) >> 2)];
|
|
view[i + 3] = HEAPF32[(((value) + (4 * i + 12)) >> 2)];
|
|
view[i + 4] = HEAPF32[(((value) + (4 * i + 16)) >> 2)];
|
|
view[i + 5] = HEAPF32[(((value) + (4 * i + 20)) >> 2)];
|
|
view[i + 6] = HEAPF32[(((value) + (4 * i + 24)) >> 2)];
|
|
view[i + 7] = HEAPF32[(((value) + (4 * i + 28)) >> 2)];
|
|
view[i + 8] = HEAPF32[(((value) + (4 * i + 32)) >> 2)];
|
|
}
|
|
} else {
|
|
var view = HEAPF32.subarray((((value) >> 2)), ((value + count * 36) >> 2));
|
|
}
|
|
GLctx.uniformMatrix3fv(webglGetUniformLocation(location), !!transpose, view);
|
|
};
|
|
|
|
var _glUniformMatrix3fv = _emscripten_glUniformMatrix3fv;
|
|
|
|
var _emscripten_glUniformMatrix4fv = (location, count, transpose, value) => {
|
|
if (GL.currentContext.version >= 2) {
|
|
count && GLctx.uniformMatrix4fv(webglGetUniformLocation(location), !!transpose, HEAPF32, ((value) >> 2), count * 16);
|
|
return;
|
|
}
|
|
if (count <= 18) {
|
|
// avoid allocation when uploading few enough uniforms
|
|
var view = miniTempWebGLFloatBuffers[16 * count];
|
|
// hoist the heap out of the loop for size and for pthreads+growth.
|
|
var heap = HEAPF32;
|
|
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 = HEAPF32.subarray((((value) >> 2)), ((value + count * 64) >> 2));
|
|
}
|
|
GLctx.uniformMatrix4fv(webglGetUniformLocation(location), !!transpose, view);
|
|
};
|
|
|
|
var _glUniformMatrix4fv = _emscripten_glUniformMatrix4fv;
|
|
|
|
var _emscripten_glUseProgram = program => {
|
|
program = GL.programs[program];
|
|
GLctx.useProgram(program);
|
|
// Record the currently active program so that we can access the uniform
|
|
// mapping table of that program.
|
|
GLctx.currentProgram = program;
|
|
};
|
|
|
|
var _glUseProgram = _emscripten_glUseProgram;
|
|
|
|
var _emscripten_glVertexAttribPointer = (index, size, type, normalized, stride, ptr) => {
|
|
var cb = GL.currentContext.clientBuffers[index];
|
|
if (!GLctx.currentArrayBufferBinding) {
|
|
cb.size = size;
|
|
cb.type = type;
|
|
cb.normalized = normalized;
|
|
cb.stride = stride;
|
|
cb.ptr = ptr;
|
|
cb.clientside = true;
|
|
cb.vertexAttribPointerAdaptor = function(index, size, type, normalized, stride, ptr) {
|
|
this.vertexAttribPointer(index, size, type, normalized, stride, ptr);
|
|
};
|
|
return;
|
|
}
|
|
cb.clientside = false;
|
|
GLctx.vertexAttribPointer(index, size, type, !!normalized, stride, ptr);
|
|
};
|
|
|
|
var _glVertexAttribPointer = _emscripten_glVertexAttribPointer;
|
|
|
|
var _emscripten_glViewport = (x0, x1, x2, x3) => GLctx.viewport(x0, x1, x2, x3);
|
|
|
|
var _glViewport = _emscripten_glViewport;
|
|
|
|
function _mediapipe_find_canvas_event_target(canvasSelector) {
|
|
let target = findCanvasEventTarget(canvasSelector);
|
|
// WebGPU-on-worker uses this function to try to grab the canvas, but
|
|
// doesn't have a DOM element to find. So as a quick patch, if the default
|
|
// behavior is unsuccessful here then we try a webgpu canvas property
|
|
// which is set by the user directly on the Module, much like how our old
|
|
// pipeline used the Module.canvas property. See b/265271517 for details.
|
|
if (Module && !target) {
|
|
target = Module.canvasWebGpu;
|
|
}
|
|
return Emval.toHandle(target);
|
|
}
|
|
|
|
function _mediapipe_webgl_tex_image_drawable(drawableHandle) {
|
|
const drawable = Emval.toValue(drawableHandle);
|
|
GLctx.texImage2D(GLctx.TEXTURE_2D, 0, GLctx.RGBA, GLctx.RGBA, GLctx.UNSIGNED_BYTE, drawable);
|
|
}
|
|
|
|
function _random_get(buffer, size) {
|
|
try {
|
|
randomFill(HEAPU8.subarray(buffer, buffer + size));
|
|
return 0;
|
|
} catch (e) {
|
|
if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
|
|
return e.errno;
|
|
}
|
|
}
|
|
|
|
var _wgpuCommandEncoderBeginComputePass = (encoderPtr, descriptor) => {
|
|
var desc;
|
|
if (descriptor) {
|
|
desc = {
|
|
"label": WebGPU.makeStringFromOptionalStringView(descriptor + 4),
|
|
"timestampWrites": WebGPU.makePassTimestampWrites(HEAPU32[(((descriptor) + (12)) >> 2)])
|
|
};
|
|
}
|
|
var commandEncoder = WebGPU.getJsObject(encoderPtr);
|
|
var ptr = _emwgpuCreateComputePassEncoder(0);
|
|
WebGPU.Internals.jsObjectInsert(ptr, commandEncoder.beginComputePass(desc));
|
|
return ptr;
|
|
};
|
|
|
|
var _wgpuCommandEncoderBeginRenderPass = (encoderPtr, descriptor) => {
|
|
function makeColorAttachment(caPtr) {
|
|
var viewPtr = HEAPU32[(((caPtr) + (4)) >> 2)];
|
|
if (viewPtr === 0) {
|
|
// Null `view` means no attachment in this slot.
|
|
return undefined;
|
|
}
|
|
var depthSlice = HEAPU32[(((caPtr) + (8)) >> 2)];
|
|
if (depthSlice == 4294967295) depthSlice = undefined;
|
|
return {
|
|
"view": WebGPU.getJsObject(viewPtr),
|
|
"depthSlice": depthSlice,
|
|
"resolveTarget": WebGPU.getJsObject(HEAPU32[(((caPtr) + (12)) >> 2)]),
|
|
"clearValue": WebGPU.makeColor(caPtr + 24),
|
|
"loadOp": WebGPU.LoadOp[HEAP32[(((caPtr) + (16)) >> 2)]],
|
|
"storeOp": WebGPU.StoreOp[HEAP32[(((caPtr) + (20)) >> 2)]]
|
|
};
|
|
}
|
|
function makeColorAttachments(count, caPtr) {
|
|
var attachments = [];
|
|
for (var i = 0; i < count; ++i) {
|
|
attachments.push(makeColorAttachment(caPtr + 56 * i));
|
|
}
|
|
return attachments;
|
|
}
|
|
function makeDepthStencilAttachment(dsaPtr) {
|
|
if (dsaPtr === 0) return undefined;
|
|
return {
|
|
"view": WebGPU.getJsObject(HEAPU32[(((dsaPtr) + (4)) >> 2)]),
|
|
"depthClearValue": HEAPF32[(((dsaPtr) + (16)) >> 2)],
|
|
"depthLoadOp": WebGPU.LoadOp[HEAP32[(((dsaPtr) + (8)) >> 2)]],
|
|
"depthStoreOp": WebGPU.StoreOp[HEAP32[(((dsaPtr) + (12)) >> 2)]],
|
|
"depthReadOnly": !!(HEAPU32[(((dsaPtr) + (20)) >> 2)]),
|
|
"stencilClearValue": HEAPU32[(((dsaPtr) + (32)) >> 2)],
|
|
"stencilLoadOp": WebGPU.LoadOp[HEAP32[(((dsaPtr) + (24)) >> 2)]],
|
|
"stencilStoreOp": WebGPU.StoreOp[HEAP32[(((dsaPtr) + (28)) >> 2)]],
|
|
"stencilReadOnly": !!(HEAPU32[(((dsaPtr) + (36)) >> 2)])
|
|
};
|
|
}
|
|
function makeRenderPassDescriptor(descriptor) {
|
|
var nextInChainPtr = HEAPU32[((descriptor) >> 2)];
|
|
var maxDrawCount = undefined;
|
|
if (nextInChainPtr !== 0) {
|
|
var sType = HEAP32[(((nextInChainPtr) + (4)) >> 2)];
|
|
var renderPassMaxDrawCount = nextInChainPtr;
|
|
// Note: The user could have passed a really huge value here, which is technically valid in
|
|
// C but will not be allowed by WebGPU in JS because of [EnforceRange]. We intentionally
|
|
// ignore that case because it's not useful - apps can just pick a smaller maxDrawCount.
|
|
maxDrawCount = readI53FromI64((renderPassMaxDrawCount) + (8));
|
|
}
|
|
var desc = {
|
|
"label": WebGPU.makeStringFromOptionalStringView(descriptor + 4),
|
|
"colorAttachments": makeColorAttachments(HEAPU32[(((descriptor) + (12)) >> 2)], HEAPU32[(((descriptor) + (16)) >> 2)]),
|
|
"depthStencilAttachment": makeDepthStencilAttachment(HEAPU32[(((descriptor) + (20)) >> 2)]),
|
|
"occlusionQuerySet": WebGPU.getJsObject(HEAPU32[(((descriptor) + (24)) >> 2)]),
|
|
"timestampWrites": WebGPU.makePassTimestampWrites(HEAPU32[(((descriptor) + (28)) >> 2)]),
|
|
"maxDrawCount": maxDrawCount
|
|
};
|
|
return desc;
|
|
}
|
|
var desc = makeRenderPassDescriptor(descriptor);
|
|
var commandEncoder = WebGPU.getJsObject(encoderPtr);
|
|
var ptr = _emwgpuCreateRenderPassEncoder(0);
|
|
WebGPU.Internals.jsObjectInsert(ptr, commandEncoder.beginRenderPass(desc));
|
|
return ptr;
|
|
};
|
|
|
|
var _wgpuCommandEncoderCopyBufferToTexture = (encoderPtr, srcPtr, dstPtr, copySizePtr) => {
|
|
var commandEncoder = WebGPU.getJsObject(encoderPtr);
|
|
var copySize = WebGPU.makeExtent3D(copySizePtr);
|
|
commandEncoder.copyBufferToTexture(WebGPU.makeTexelCopyBufferInfo(srcPtr), WebGPU.makeTexelCopyTextureInfo(dstPtr), copySize);
|
|
};
|
|
|
|
var _wgpuCommandEncoderCopyTextureToBuffer = (encoderPtr, srcPtr, dstPtr, copySizePtr) => {
|
|
var commandEncoder = WebGPU.getJsObject(encoderPtr);
|
|
var copySize = WebGPU.makeExtent3D(copySizePtr);
|
|
commandEncoder.copyTextureToBuffer(WebGPU.makeTexelCopyTextureInfo(srcPtr), WebGPU.makeTexelCopyBufferInfo(dstPtr), copySize);
|
|
};
|
|
|
|
var _wgpuCommandEncoderCopyTextureToTexture = (encoderPtr, srcPtr, dstPtr, copySizePtr) => {
|
|
var commandEncoder = WebGPU.getJsObject(encoderPtr);
|
|
var copySize = WebGPU.makeExtent3D(copySizePtr);
|
|
commandEncoder.copyTextureToTexture(WebGPU.makeTexelCopyTextureInfo(srcPtr), WebGPU.makeTexelCopyTextureInfo(dstPtr), copySize);
|
|
};
|
|
|
|
var _wgpuCommandEncoderFinish = (encoderPtr, descriptor) => {
|
|
// TODO: Use the descriptor.
|
|
var commandEncoder = WebGPU.getJsObject(encoderPtr);
|
|
var ptr = _emwgpuCreateCommandBuffer(0);
|
|
WebGPU.Internals.jsObjectInsert(ptr, commandEncoder.finish());
|
|
return ptr;
|
|
};
|
|
|
|
var _wgpuComputePassEncoderDispatchWorkgroups = (passPtr, x, y, z) => {
|
|
var pass = WebGPU.getJsObject(passPtr);
|
|
pass.dispatchWorkgroups(x, y, z);
|
|
};
|
|
|
|
var _wgpuComputePassEncoderEnd = passPtr => {
|
|
var pass = WebGPU.getJsObject(passPtr);
|
|
pass.end();
|
|
};
|
|
|
|
var _wgpuComputePassEncoderSetBindGroup = (passPtr, groupIndex, groupPtr, dynamicOffsetCount, dynamicOffsetsPtr) => {
|
|
var pass = WebGPU.getJsObject(passPtr);
|
|
var group = WebGPU.getJsObject(groupPtr);
|
|
if (dynamicOffsetCount == 0) {
|
|
pass.setBindGroup(groupIndex, group);
|
|
} else {
|
|
pass.setBindGroup(groupIndex, group, HEAPU32, ((dynamicOffsetsPtr) >> 2), dynamicOffsetCount);
|
|
}
|
|
};
|
|
|
|
var _wgpuComputePassEncoderSetPipeline = (passPtr, pipelinePtr) => {
|
|
var pass = WebGPU.getJsObject(passPtr);
|
|
var pipeline = WebGPU.getJsObject(pipelinePtr);
|
|
pass.setPipeline(pipeline);
|
|
};
|
|
|
|
var _wgpuComputePipelineGetBindGroupLayout = (pipelinePtr, groupIndex) => {
|
|
var pipeline = WebGPU.getJsObject(pipelinePtr);
|
|
var ptr = _emwgpuCreateBindGroupLayout(0);
|
|
WebGPU.Internals.jsObjectInsert(ptr, pipeline.getBindGroupLayout(groupIndex));
|
|
return ptr;
|
|
};
|
|
|
|
var _wgpuDeviceCreateBindGroup = (devicePtr, descriptor) => {
|
|
function makeEntry(entryPtr) {
|
|
var bufferPtr = HEAPU32[(((entryPtr) + (8)) >> 2)];
|
|
var samplerPtr = HEAPU32[(((entryPtr) + (32)) >> 2)];
|
|
var textureViewPtr = HEAPU32[(((entryPtr) + (36)) >> 2)];
|
|
var externalTexturePtr = 0;
|
|
WebGPU.iterateExtensions(entryPtr, {
|
|
14: ptr => {
|
|
externalTexturePtr = HEAPU32[(((ptr) + (8)) >> 2)];
|
|
}
|
|
});
|
|
var resource;
|
|
if (bufferPtr) {
|
|
// Note the sentinel UINT64_MAX will be read as -1.
|
|
var size = readI53FromI64((entryPtr) + (24));
|
|
if (size == -1) size = undefined;
|
|
resource = {
|
|
"buffer": WebGPU.getJsObject(bufferPtr),
|
|
"offset": readI53FromI64((entryPtr) + (16)),
|
|
"size": size
|
|
};
|
|
} else {
|
|
resource = WebGPU.getJsObject(samplerPtr || textureViewPtr || externalTexturePtr);
|
|
}
|
|
return {
|
|
"binding": HEAPU32[(((entryPtr) + (4)) >> 2)],
|
|
"resource": resource
|
|
};
|
|
}
|
|
function makeEntries(count, entriesPtrs) {
|
|
var entries = [];
|
|
for (var i = 0; i < count; ++i) {
|
|
entries.push(makeEntry(entriesPtrs + 40 * i));
|
|
}
|
|
return entries;
|
|
}
|
|
var desc = {
|
|
"label": WebGPU.makeStringFromOptionalStringView(descriptor + 4),
|
|
"layout": WebGPU.getJsObject(HEAPU32[(((descriptor) + (12)) >> 2)]),
|
|
"entries": makeEntries(HEAPU32[(((descriptor) + (16)) >> 2)], HEAPU32[(((descriptor) + (20)) >> 2)])
|
|
};
|
|
var device = WebGPU.getJsObject(devicePtr);
|
|
var ptr = _emwgpuCreateBindGroup(0);
|
|
WebGPU.Internals.jsObjectInsert(ptr, device.createBindGroup(desc));
|
|
return ptr;
|
|
};
|
|
|
|
var _wgpuDeviceCreateBindGroupLayout = (devicePtr, descriptor) => {
|
|
function makeBufferEntry(substructPtr) {
|
|
var typeInt = HEAPU32[(((substructPtr) + (4)) >> 2)];
|
|
if (!typeInt) return undefined;
|
|
return {
|
|
"type": WebGPU.BufferBindingType[typeInt],
|
|
"hasDynamicOffset": !!(HEAPU32[(((substructPtr) + (8)) >> 2)]),
|
|
"minBindingSize": readI53FromI64((substructPtr) + (16))
|
|
};
|
|
}
|
|
function makeSamplerEntry(substructPtr) {
|
|
var typeInt = HEAPU32[(((substructPtr) + (4)) >> 2)];
|
|
if (!typeInt) return undefined;
|
|
return {
|
|
"type": WebGPU.SamplerBindingType[typeInt]
|
|
};
|
|
}
|
|
function makeTextureEntry(substructPtr) {
|
|
var sampleTypeInt = HEAPU32[(((substructPtr) + (4)) >> 2)];
|
|
if (!sampleTypeInt) return undefined;
|
|
return {
|
|
"sampleType": WebGPU.TextureSampleType[sampleTypeInt],
|
|
"viewDimension": WebGPU.TextureViewDimension[HEAP32[(((substructPtr) + (8)) >> 2)]],
|
|
"multisampled": !!(HEAPU32[(((substructPtr) + (12)) >> 2)])
|
|
};
|
|
}
|
|
function makeStorageTextureEntry(substructPtr) {
|
|
var accessInt = HEAPU32[(((substructPtr) + (4)) >> 2)];
|
|
if (!accessInt) return undefined;
|
|
return {
|
|
"access": WebGPU.StorageTextureAccess[accessInt],
|
|
"format": WebGPU.TextureFormat[HEAP32[(((substructPtr) + (8)) >> 2)]],
|
|
"viewDimension": WebGPU.TextureViewDimension[HEAP32[(((substructPtr) + (12)) >> 2)]]
|
|
};
|
|
}
|
|
function makeEntry(entryPtr) {
|
|
var entry = {
|
|
"binding": HEAPU32[(((entryPtr) + (4)) >> 2)],
|
|
"visibility": HEAPU32[(((entryPtr) + (8)) >> 2)],
|
|
"buffer": makeBufferEntry(entryPtr + 24),
|
|
"sampler": makeSamplerEntry(entryPtr + 48),
|
|
"texture": makeTextureEntry(entryPtr + 56),
|
|
"storageTexture": makeStorageTextureEntry(entryPtr + 72)
|
|
};
|
|
WebGPU.iterateExtensions(entryPtr, {
|
|
13: ptr => {
|
|
entry["externalTexture"] = {};
|
|
}
|
|
});
|
|
return entry;
|
|
}
|
|
function makeEntries(count, entriesPtrs) {
|
|
var entries = [];
|
|
for (var i = 0; i < count; ++i) {
|
|
entries.push(makeEntry(entriesPtrs + 88 * i));
|
|
}
|
|
return entries;
|
|
}
|
|
var desc = {
|
|
"label": WebGPU.makeStringFromOptionalStringView(descriptor + 4),
|
|
"entries": makeEntries(HEAPU32[(((descriptor) + (12)) >> 2)], HEAPU32[(((descriptor) + (16)) >> 2)])
|
|
};
|
|
var device = WebGPU.getJsObject(devicePtr);
|
|
var ptr = _emwgpuCreateBindGroupLayout(0);
|
|
WebGPU.Internals.jsObjectInsert(ptr, device.createBindGroupLayout(desc));
|
|
return ptr;
|
|
};
|
|
|
|
var _wgpuDeviceCreateCommandEncoder = (devicePtr, descriptor) => {
|
|
var desc;
|
|
if (descriptor) {
|
|
desc = {
|
|
"label": WebGPU.makeStringFromOptionalStringView(descriptor + 4)
|
|
};
|
|
}
|
|
var device = WebGPU.getJsObject(devicePtr);
|
|
var ptr = _emwgpuCreateCommandEncoder(0);
|
|
WebGPU.Internals.jsObjectInsert(ptr, device.createCommandEncoder(desc));
|
|
return ptr;
|
|
};
|
|
|
|
var _wgpuDeviceCreateComputePipeline = (devicePtr, descriptor) => {
|
|
var desc = WebGPU.makeComputePipelineDesc(descriptor);
|
|
var device = WebGPU.getJsObject(devicePtr);
|
|
var ptr = _emwgpuCreateComputePipeline(0);
|
|
WebGPU.Internals.jsObjectInsert(ptr, device.createComputePipeline(desc));
|
|
return ptr;
|
|
};
|
|
|
|
var _wgpuDeviceCreatePipelineLayout = (devicePtr, descriptor) => {
|
|
var bglCount = HEAPU32[(((descriptor) + (12)) >> 2)];
|
|
var bglPtr = HEAPU32[(((descriptor) + (16)) >> 2)];
|
|
var bgls = [];
|
|
for (var i = 0; i < bglCount; ++i) {
|
|
bgls.push(WebGPU.getJsObject(HEAPU32[(((bglPtr) + (4 * i)) >> 2)]));
|
|
}
|
|
var desc = {
|
|
"label": WebGPU.makeStringFromOptionalStringView(descriptor + 4),
|
|
"bindGroupLayouts": bgls
|
|
};
|
|
var device = WebGPU.getJsObject(devicePtr);
|
|
var ptr = _emwgpuCreatePipelineLayout(0);
|
|
WebGPU.Internals.jsObjectInsert(ptr, device.createPipelineLayout(desc));
|
|
return ptr;
|
|
};
|
|
|
|
var _wgpuDeviceCreateRenderPipeline = (devicePtr, descriptor) => {
|
|
var desc = WebGPU.makeRenderPipelineDesc(descriptor);
|
|
var device = WebGPU.getJsObject(devicePtr);
|
|
var ptr = _emwgpuCreateRenderPipeline(0);
|
|
WebGPU.Internals.jsObjectInsert(ptr, device.createRenderPipeline(desc));
|
|
return ptr;
|
|
};
|
|
|
|
var _wgpuDeviceCreateSampler = (devicePtr, descriptor) => {
|
|
var desc;
|
|
if (descriptor) {
|
|
desc = {
|
|
"label": WebGPU.makeStringFromOptionalStringView(descriptor + 4),
|
|
"addressModeU": WebGPU.AddressMode[HEAP32[(((descriptor) + (12)) >> 2)]],
|
|
"addressModeV": WebGPU.AddressMode[HEAP32[(((descriptor) + (16)) >> 2)]],
|
|
"addressModeW": WebGPU.AddressMode[HEAP32[(((descriptor) + (20)) >> 2)]],
|
|
"magFilter": WebGPU.FilterMode[HEAP32[(((descriptor) + (24)) >> 2)]],
|
|
"minFilter": WebGPU.FilterMode[HEAP32[(((descriptor) + (28)) >> 2)]],
|
|
"mipmapFilter": WebGPU.MipmapFilterMode[HEAP32[(((descriptor) + (32)) >> 2)]],
|
|
"lodMinClamp": HEAPF32[(((descriptor) + (36)) >> 2)],
|
|
"lodMaxClamp": HEAPF32[(((descriptor) + (40)) >> 2)],
|
|
"compare": WebGPU.CompareFunction[HEAP32[(((descriptor) + (44)) >> 2)]],
|
|
"maxAnisotropy": HEAPU16[(((descriptor) + (48)) >> 1)]
|
|
};
|
|
}
|
|
var device = WebGPU.getJsObject(devicePtr);
|
|
var ptr = _emwgpuCreateSampler(0);
|
|
WebGPU.Internals.jsObjectInsert(ptr, device.createSampler(desc));
|
|
return ptr;
|
|
};
|
|
|
|
var _wgpuDeviceCreateTexture = (devicePtr, descriptor) => {
|
|
var nextInChainPtr = HEAPU32[((descriptor) >> 2)];
|
|
var textureBindingViewDimension;
|
|
if (nextInChainPtr !== 0) {
|
|
var sType = HEAP32[(((nextInChainPtr) + (4)) >> 2)];
|
|
var textureBindingViewDimensionDescriptor = nextInChainPtr;
|
|
textureBindingViewDimension = WebGPU.TextureViewDimension[HEAP32[(((textureBindingViewDimensionDescriptor) + (8)) >> 2)]];
|
|
}
|
|
var desc = {
|
|
"label": WebGPU.makeStringFromOptionalStringView(descriptor + 4),
|
|
"size": WebGPU.makeExtent3D(descriptor + 28),
|
|
"mipLevelCount": HEAPU32[(((descriptor) + (44)) >> 2)],
|
|
"sampleCount": HEAPU32[(((descriptor) + (48)) >> 2)],
|
|
"dimension": WebGPU.TextureDimension[HEAP32[(((descriptor) + (24)) >> 2)]],
|
|
"format": WebGPU.TextureFormat[HEAP32[(((descriptor) + (40)) >> 2)]],
|
|
"usage": HEAPU32[(((descriptor) + (16)) >> 2)],
|
|
"textureBindingViewDimension": textureBindingViewDimension
|
|
};
|
|
var viewFormatCount = HEAPU32[(((descriptor) + (52)) >> 2)];
|
|
if (viewFormatCount) {
|
|
var viewFormatsPtr = HEAPU32[(((descriptor) + (56)) >> 2)];
|
|
// viewFormatsPtr pointer to an array of TextureFormat which is an enum of size uint32_t
|
|
desc["viewFormats"] = Array.from(HEAP32.subarray((((viewFormatsPtr) >> 2)), ((viewFormatsPtr + viewFormatCount * 4) >> 2)), format => WebGPU.TextureFormat[format]);
|
|
}
|
|
var device = WebGPU.getJsObject(devicePtr);
|
|
var ptr = _emwgpuCreateTexture(0);
|
|
WebGPU.Internals.jsObjectInsert(ptr, device.createTexture(desc));
|
|
return ptr;
|
|
};
|
|
|
|
var _wgpuQueueSubmit = (queuePtr, commandCount, commands) => {
|
|
var queue = WebGPU.getJsObject(queuePtr);
|
|
var cmds = Array.from(HEAP32.subarray((((commands) >> 2)), ((commands + commandCount * 4) >> 2)), id => WebGPU.getJsObject(id));
|
|
queue.submit(cmds);
|
|
};
|
|
|
|
function _wgpuQueueWriteBuffer(queuePtr, bufferPtr, bufferOffset_low, bufferOffset_high, data, size) {
|
|
var bufferOffset = convertI32PairToI53Checked(bufferOffset_low, bufferOffset_high);
|
|
var queue = WebGPU.getJsObject(queuePtr);
|
|
var buffer = WebGPU.getJsObject(bufferPtr);
|
|
// There is a size limitation for ArrayBufferView. Work around by passing in a subarray
|
|
// instead of the whole heap. crbug.com/1201109
|
|
var subarray = HEAPU8.subarray(data, data + size);
|
|
queue.writeBuffer(buffer, bufferOffset, subarray, 0, size);
|
|
}
|
|
|
|
var _wgpuQueueWriteTexture = (queuePtr, destinationPtr, data, dataSize, dataLayoutPtr, writeSizePtr) => {
|
|
var queue = WebGPU.getJsObject(queuePtr);
|
|
var destination = WebGPU.makeTexelCopyTextureInfo(destinationPtr);
|
|
var dataLayout = WebGPU.makeTexelCopyBufferLayout(dataLayoutPtr);
|
|
var writeSize = WebGPU.makeExtent3D(writeSizePtr);
|
|
// This subarray isn't strictly necessary, but helps work around an issue
|
|
// where Chromium makes a copy of the entire heap. crbug.com/1134457
|
|
var subarray = HEAPU8.subarray(data, data + dataSize);
|
|
queue.writeTexture(destination, subarray, dataLayout, writeSize);
|
|
};
|
|
|
|
var _wgpuRenderPassEncoderDraw = (passPtr, vertexCount, instanceCount, firstVertex, firstInstance) => {
|
|
firstVertex >>>= 0;
|
|
firstInstance >>>= 0;
|
|
var pass = WebGPU.getJsObject(passPtr);
|
|
pass.draw(vertexCount, instanceCount, firstVertex, firstInstance);
|
|
};
|
|
|
|
var _wgpuRenderPassEncoderEnd = encoderPtr => {
|
|
var encoder = WebGPU.getJsObject(encoderPtr);
|
|
encoder.end();
|
|
};
|
|
|
|
var _wgpuRenderPassEncoderSetBindGroup = (passPtr, groupIndex, groupPtr, dynamicOffsetCount, dynamicOffsetsPtr) => {
|
|
var pass = WebGPU.getJsObject(passPtr);
|
|
var group = WebGPU.getJsObject(groupPtr);
|
|
if (dynamicOffsetCount == 0) {
|
|
pass.setBindGroup(groupIndex, group);
|
|
} else {
|
|
pass.setBindGroup(groupIndex, group, HEAPU32, ((dynamicOffsetsPtr) >> 2), dynamicOffsetCount);
|
|
}
|
|
};
|
|
|
|
var _wgpuRenderPassEncoderSetPipeline = (passPtr, pipelinePtr) => {
|
|
var pass = WebGPU.getJsObject(passPtr);
|
|
var pipeline = WebGPU.getJsObject(pipelinePtr);
|
|
pass.setPipeline(pipeline);
|
|
};
|
|
|
|
var _wgpuRenderPipelineGetBindGroupLayout = (pipelinePtr, groupIndex) => {
|
|
var pipeline = WebGPU.getJsObject(pipelinePtr);
|
|
var ptr = _emwgpuCreateBindGroupLayout(0);
|
|
WebGPU.Internals.jsObjectInsert(ptr, pipeline.getBindGroupLayout(groupIndex));
|
|
return ptr;
|
|
};
|
|
|
|
var _wgpuTextureCreateView = (texturePtr, descriptor) => {
|
|
var desc;
|
|
if (descriptor) {
|
|
var swizzle;
|
|
var nextInChainPtr = HEAPU32[((descriptor) >> 2)];
|
|
if (nextInChainPtr !== 0) {
|
|
var sType = HEAP32[(((nextInChainPtr) + (4)) >> 2)];
|
|
var swizzleDescriptor = nextInChainPtr;
|
|
var swizzlePtr = swizzleDescriptor + 8;
|
|
var r = WebGPU.ComponentSwizzle[HEAP32[((swizzlePtr) >> 2)]] || "r";
|
|
var g = WebGPU.ComponentSwizzle[HEAP32[(((swizzlePtr) + (4)) >> 2)]] || "g";
|
|
var b = WebGPU.ComponentSwizzle[HEAP32[(((swizzlePtr) + (8)) >> 2)]] || "b";
|
|
var a = WebGPU.ComponentSwizzle[HEAP32[(((swizzlePtr) + (12)) >> 2)]] || "a";
|
|
swizzle = `${r}${g}${b}${a}`;
|
|
}
|
|
var mipLevelCount = HEAPU32[(((descriptor) + (24)) >> 2)];
|
|
var arrayLayerCount = HEAPU32[(((descriptor) + (32)) >> 2)];
|
|
desc = {
|
|
"label": WebGPU.makeStringFromOptionalStringView(descriptor + 4),
|
|
"format": WebGPU.TextureFormat[HEAP32[(((descriptor) + (12)) >> 2)]],
|
|
"dimension": WebGPU.TextureViewDimension[HEAP32[(((descriptor) + (16)) >> 2)]],
|
|
"baseMipLevel": HEAPU32[(((descriptor) + (20)) >> 2)],
|
|
"mipLevelCount": mipLevelCount === 4294967295 ? undefined : mipLevelCount,
|
|
"baseArrayLayer": HEAPU32[(((descriptor) + (28)) >> 2)],
|
|
"arrayLayerCount": arrayLayerCount === 4294967295 ? undefined : arrayLayerCount,
|
|
"aspect": WebGPU.TextureAspect[HEAP32[(((descriptor) + (36)) >> 2)]],
|
|
"usage": HEAPU32[(((descriptor) + (40)) >> 2)],
|
|
"swizzle": swizzle
|
|
};
|
|
}
|
|
var texture = WebGPU.getJsObject(texturePtr);
|
|
var ptr = _emwgpuCreateTextureView(0);
|
|
WebGPU.Internals.jsObjectInsert(ptr, texture.createView(desc));
|
|
return ptr;
|
|
};
|
|
|
|
var _wgpuTextureDestroy = texturePtr => {
|
|
WebGPU.getJsObject(texturePtr).destroy();
|
|
};
|
|
|
|
var _wgpuTextureGetFormat = texturePtr => {
|
|
var texture = WebGPU.getJsObject(texturePtr);
|
|
// Should return the enum integer instead of string.
|
|
return WebGPU.TextureFormat.indexOf(texture.format);
|
|
};
|
|
|
|
var getCFunc = ident => {
|
|
var func = Module["_" + ident];
|
|
// closure exported function
|
|
return func;
|
|
};
|
|
|
|
var writeArrayToMemory = (array, buffer) => {
|
|
HEAP8.set(array, buffer);
|
|
};
|
|
|
|
/**
|
|
* @param {string|null=} returnType
|
|
* @param {Array=} argTypes
|
|
* @param {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;
|
|
if (args) {
|
|
for (var i = 0; i < args.length; i++) {
|
|
var converter = toC[argTypes[i]];
|
|
if (converter) {
|
|
if (stack === 0) stack = stackSave();
|
|
cArgs[i] = converter(args[i]);
|
|
} else {
|
|
cArgs[i] = args[i];
|
|
}
|
|
}
|
|
}
|
|
var ret = func(...cArgs);
|
|
function onDone(ret) {
|
|
if (stack !== 0) stackRestore(stack);
|
|
return convertReturnValue(ret);
|
|
}
|
|
ret = onDone(ret);
|
|
return ret;
|
|
};
|
|
|
|
var FS_createPath = (...args) => FS.createPath(...args);
|
|
|
|
var FS_unlink = (...args) => FS.unlink(...args);
|
|
|
|
var FS_createLazyFile = (...args) => FS.createLazyFile(...args);
|
|
|
|
var FS_createDevice = (...args) => FS.createDevice(...args);
|
|
|
|
FS.createPreloadedFile = FS_createPreloadedFile;
|
|
|
|
FS.preloadFile = FS_preloadFile;
|
|
|
|
FS.staticInit();
|
|
|
|
// Signal GL rendering layer that processing of a new frame is about to
|
|
// start. This helps it optimize VBO double-buffering and reduce GPU stalls.
|
|
registerPreMainLoop(() => GL.newRenderingFrameStarted());
|
|
|
|
for (let i = 0; i < 32; ++i) tempFixedLengthArray.push(new Array(i));
|
|
|
|
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);
|
|
}
|
|
|
|
var miniTempWebGLIntBuffersStorage = new Int32Array(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) {
|
|
miniTempWebGLIntBuffers[i] = miniTempWebGLIntBuffersStorage.subarray(0, i);
|
|
}
|
|
|
|
// End JS library code
|
|
// include: postlibrary.js
|
|
// This file is included after the automatically-generated JS library code
|
|
// but before the wasm module is created.
|
|
{
|
|
// Begin ATMODULES hooks
|
|
if (Module["preloadPlugins"]) preloadPlugins = Module["preloadPlugins"];
|
|
if (Module["noExitRuntime"]) noExitRuntime = Module["noExitRuntime"];
|
|
if (Module["print"]) out = Module["print"];
|
|
if (Module["printErr"]) err = Module["printErr"];
|
|
if (Module["wasmBinary"]) wasmBinary = Module["wasmBinary"];
|
|
// End ATMODULES hooks
|
|
if (Module["arguments"]) arguments_ = Module["arguments"];
|
|
if (Module["thisProgram"]) thisProgram = Module["thisProgram"];
|
|
if (Module["preInit"]) {
|
|
if (typeof Module["preInit"] == "function") Module["preInit"] = [ Module["preInit"] ];
|
|
while (Module["preInit"].length > 0) {
|
|
Module["preInit"].shift()();
|
|
}
|
|
}
|
|
}
|
|
|
|
// Begin runtime exports
|
|
Module["addRunDependency"] = addRunDependency;
|
|
|
|
Module["removeRunDependency"] = removeRunDependency;
|
|
|
|
Module["ccall"] = ccall;
|
|
|
|
Module["stringToNewUTF8"] = stringToNewUTF8;
|
|
|
|
Module["FS_preloadFile"] = FS_preloadFile;
|
|
|
|
Module["FS_unlink"] = FS_unlink;
|
|
|
|
Module["FS_createPath"] = FS_createPath;
|
|
|
|
Module["FS_createDevice"] = FS_createDevice;
|
|
|
|
Module["FS_createDataFile"] = FS_createDataFile;
|
|
|
|
Module["FS_createLazyFile"] = FS_createLazyFile;
|
|
|
|
// End runtime exports
|
|
// Begin JS library exports
|
|
// End JS library exports
|
|
// end include: postlibrary.js
|
|
var ASM_CONSTS = {
|
|
1484179: $0 => {
|
|
const canvas = Emval.toValue($0);
|
|
const context = canvas.getContext("webgpu");
|
|
return WebGPU.importJsTexture(context.getCurrentTexture());
|
|
},
|
|
1484322: ($0, $1, $2, $3, $4) => {
|
|
const drawable = Emval.toValue($0);
|
|
const device = WebGPU.getJsObject($1);
|
|
const texture = WebGPU.getJsObject($2);
|
|
const width = $3;
|
|
const height = $4;
|
|
device.queue.copyExternalImageToTexture({
|
|
source: drawable
|
|
}, {
|
|
texture
|
|
}, [ width, height ]);
|
|
},
|
|
1484581: ($0, $1, $2, $3) => {
|
|
const sourceExtTex = Emval.toValue($0);
|
|
const device = WebGPU.getJsObject($1);
|
|
const sampler = WebGPU.getJsObject($2);
|
|
const bgLayout = WebGPU.getJsObject($3);
|
|
const bindGroup = device.createBindGroup({
|
|
layout: bgLayout,
|
|
entries: [ {
|
|
binding: 0,
|
|
resource: sampler
|
|
}, {
|
|
binding: 1,
|
|
resource: sourceExtTex
|
|
} ]
|
|
});
|
|
return WebGPU.importJsBindGroup(bindGroup);
|
|
},
|
|
1484951: ($0, $1) => {
|
|
const input = Emval.toValue($0);
|
|
const output = Emval.toValue($1);
|
|
const ctx = output.getContext("2d");
|
|
ctx.drawImage(input, 0, 0, output.width, output.height);
|
|
},
|
|
1485116: ($0, $1) => {
|
|
const inputArray = Emval.toValue($0);
|
|
const output = Emval.toValue($1);
|
|
const ctx = output.getContext("2d");
|
|
const image_data = new ImageData(inputArray, output.width, output.height);
|
|
ctx.putImageData(image_data, 0, 0);
|
|
},
|
|
1485340: ($0, $1) => {
|
|
const input = Emval.toValue($0);
|
|
const outputArray = Emval.toValue($1);
|
|
const ctx = input.getContext("2d");
|
|
const data = ctx.getImageData(0, 0, input.width, input.height);
|
|
outputArray.set(data.data);
|
|
},
|
|
1485544: () => (typeof HTMLCanvasElement !== "undefined"),
|
|
1485599: () => !!Module["preinitializedWebGPUDevice"],
|
|
1485650: () => {
|
|
specialHTMLTargets["#canvas"] = Module.canvas;
|
|
}
|
|
};
|
|
|
|
function BeginGlQueryTiming(calc_name, num_repetitions) {
|
|
const gl = Module.canvas.getContext("webgl2");
|
|
const query = gl.createQuery();
|
|
Module.WEBGL_SHADER_CALC_METRICS = Module.WEBGL_SHADER_CALC_METRICS || {};
|
|
Module.WEBGL_SHADER_CALC_METRICS[UTF8ToString(calc_name)] = {
|
|
query,
|
|
repetitions: num_repetitions
|
|
};
|
|
Module.WEBGL_QUERY_TIMER_EXT = Module.WEBGL_QUERY_TIMER_EXT || gl.getExtension("EXT_disjoint_timer_query_webgl2");
|
|
gl.beginQuery(Module.WEBGL_QUERY_TIMER_EXT.TIME_ELAPSED_EXT, query);
|
|
}
|
|
|
|
function EndGlQueryTiming(calc_name) {
|
|
const gl = Module.canvas.getContext("webgl2");
|
|
gl.endQuery(Module.WEBGL_QUERY_TIMER_EXT.TIME_ELAPSED_EXT, Module.WEBGL_SHADER_CALC_METRICS[UTF8ToString(calc_name)].query);
|
|
}
|
|
|
|
function JsWrapImageConverter() {
|
|
if (!Module._imageConverter) {
|
|
Module._imageConverter = (binaryPtr, binarySize, width, height, numChannels, makeDeepCopy, outputType) => {
|
|
const imageData = new outputType(makeDeepCopy ? Module.HEAPU8.slice(binaryPtr, binaryPtr + binarySize).buffer : Module.HEAPU8.buffer, binaryPtr, width * height * numChannels);
|
|
return {
|
|
data: imageData,
|
|
width,
|
|
height
|
|
};
|
|
};
|
|
}
|
|
}
|
|
|
|
function JsOnUint8ArrayImageListener(output_stream_name, binary_ptr, binary_size, width, height, num_channels, make_deep_copy, timestamp_ms) {
|
|
const image = Module._imageConverter(binary_ptr, binary_size, width, height, num_channels, make_deep_copy, Uint8Array);
|
|
Module._wrapSimpleListenerOutput(output_stream_name, image, timestamp_ms);
|
|
}
|
|
|
|
function JsOnFloat32ArrayImageListener(output_stream_name, binary_ptr, binary_size, width, height, num_channels, make_deep_copy, timestamp_ms) {
|
|
const image = Module._imageConverter(binary_ptr, binary_size, width, height, num_channels, make_deep_copy, Float32Array);
|
|
Module._wrapSimpleListenerOutput(output_stream_name, image, timestamp_ms);
|
|
}
|
|
|
|
function JsOnWebGLTextureListener(output_stream_name, name, width, height, timestamp_ms) {
|
|
Module._wrapSimpleListenerOutput(output_stream_name, {
|
|
data: GL.textures[name],
|
|
width,
|
|
height
|
|
}, timestamp_ms);
|
|
}
|
|
|
|
function JsOnUint8ArrayImageVectorListener(output_stream_name, binary_ptr, binary_size, width, height, num_channels, make_deep_copy, timestamp_ms) {
|
|
const image = Module._imageConverter(binary_ptr, binary_size, width, height, num_channels, make_deep_copy, Uint8Array);
|
|
Module._wrapSimpleListenerOutput(output_stream_name, image, false, timestamp_ms);
|
|
}
|
|
|
|
function JsOnFloat32ArrayImageVectorListener(output_stream_name, binary_ptr, binary_size, width, height, num_channels, make_deep_copy, timestamp_ms) {
|
|
const image = Module._imageConverter(binary_ptr, binary_size, width, height, num_channels, make_deep_copy, Float32Array);
|
|
Module._wrapSimpleListenerOutput(output_stream_name, image, false, timestamp_ms);
|
|
}
|
|
|
|
function JsOnWebGLTextureVectorListener(output_stream_name, name, width, height, timestamp_ms) {
|
|
Module._wrapSimpleListenerOutput(output_stream_name, {
|
|
data: GL.textures[name],
|
|
width,
|
|
height
|
|
}, false, timestamp_ms);
|
|
}
|
|
|
|
function JsOnEmptyPacketListener(output_stream_name, timestamp) {
|
|
Module._wrapEmptyPacketListenerOutput(output_stream_name, timestamp);
|
|
}
|
|
|
|
function JsOnVectorFinishedListener(output_stream_name, timestamp) {
|
|
Module._wrapSimpleListenerOutput(output_stream_name, undefined, true, timestamp);
|
|
}
|
|
|
|
function JsOnSimpleListenerBool(output_stream_name, out_data, timestamp) {
|
|
Module._wrapSimpleListenerOutput(output_stream_name, out_data, timestamp);
|
|
}
|
|
|
|
function JsOnVectorListenerBool(output_stream_name, out_data, timestamp) {
|
|
Module._wrapSimpleListenerOutput(output_stream_name, out_data, false, timestamp);
|
|
}
|
|
|
|
function JsOnSimpleListenerInt(output_stream_name, out_data, timestamp) {
|
|
Module._wrapSimpleListenerOutput(output_stream_name, out_data, timestamp);
|
|
}
|
|
|
|
function JsOnVectorListenerInt(output_stream_name, out_data, timestamp) {
|
|
Module._wrapSimpleListenerOutput(output_stream_name, out_data, false, timestamp);
|
|
}
|
|
|
|
function JsOnSimpleListenerUint(output_stream_name, out_data, timestamp) {
|
|
Module._wrapSimpleListenerOutput(output_stream_name, out_data, timestamp);
|
|
}
|
|
|
|
function JsOnVectorListenerUint(output_stream_name, out_data, timestamp) {
|
|
Module._wrapSimpleListenerOutput(output_stream_name, out_data, false, timestamp);
|
|
}
|
|
|
|
function JsOnSimpleListenerDouble(output_stream_name, out_data, timestamp) {
|
|
Module._wrapSimpleListenerOutput(output_stream_name, out_data, timestamp);
|
|
}
|
|
|
|
function JsOnVectorListenerDouble(output_stream_name, out_data, timestamp) {
|
|
Module._wrapSimpleListenerOutput(output_stream_name, out_data, false, timestamp);
|
|
}
|
|
|
|
function JsOnSimpleListenerFloat(output_stream_name, out_data, timestamp) {
|
|
Module._wrapSimpleListenerOutput(output_stream_name, out_data, timestamp);
|
|
}
|
|
|
|
function JsOnVectorListenerFloat(output_stream_name, out_data, timestamp) {
|
|
Module._wrapSimpleListenerOutput(output_stream_name, out_data, false, timestamp);
|
|
}
|
|
|
|
function JsOnSimpleListenerString(output_stream_name, out_data, timestamp) {
|
|
Module._wrapSimpleListenerOutput(output_stream_name, UTF8ToString(out_data), timestamp);
|
|
}
|
|
|
|
function JsOnVectorListenerString(output_stream_name, out_data, timestamp) {
|
|
Module._wrapSimpleListenerOutput(output_stream_name, UTF8ToString(out_data), false, timestamp);
|
|
}
|
|
|
|
function JsOnVectorListenerProto(output_stream_name, proto_ptr, proto_size, make_deep_copy, timestamp) {
|
|
const newProtoArray = make_deep_copy ? Module.HEAPU8.slice(proto_ptr, proto_ptr + proto_size) : new Uint8Array(Module.HEAPU8.buffer, proto_ptr, proto_size);
|
|
Module._wrapSimpleListenerOutput(output_stream_name, newProtoArray, false, timestamp);
|
|
}
|
|
|
|
function JsWrapSimpleListeners() {
|
|
if (!Module._wrapSimpleListenerOutput) {
|
|
Module._wrapSimpleListenerOutput = (outputStreamName, ...args) => {
|
|
if (Module.simpleListeners) {
|
|
const streamName = UTF8ToString(outputStreamName);
|
|
if (Module.simpleListeners[streamName]) {
|
|
Module.simpleListeners[streamName](...args);
|
|
}
|
|
}
|
|
};
|
|
}
|
|
if (!Module._wrapEmptyPacketListenerOutput) {
|
|
Module._wrapEmptyPacketListenerOutput = (outputStreamName, timestamp) => {
|
|
if (Module.emptyPacketListeners) {
|
|
const streamName = UTF8ToString(outputStreamName);
|
|
if (Module.emptyPacketListeners[streamName]) {
|
|
Module.emptyPacketListeners[streamName](timestamp);
|
|
}
|
|
}
|
|
};
|
|
}
|
|
}
|
|
|
|
function JsOnSimpleListenerBinaryArray(output_stream_name, binary_ptr, binary_size, make_deep_copy, timestamp) {
|
|
const newProtoArray = make_deep_copy ? Module.HEAPU8.slice(binary_ptr, binary_ptr + binary_size) : new Uint8Array(Module.HEAPU8.buffer, binary_ptr, binary_size);
|
|
Module._wrapSimpleListenerOutput(output_stream_name, newProtoArray, timestamp);
|
|
}
|
|
|
|
function mediapipe_import_external_texture(device_handle, source_handle) {
|
|
const device = WebGPU.getJsObject(device_handle);
|
|
const source = Emval.toValue(source_handle);
|
|
const externalTexture = device.importExternalTexture({
|
|
source
|
|
});
|
|
return Emval.toHandle(externalTexture);
|
|
}
|
|
|
|
function mediapipe_create_utility_canvas2d() {
|
|
let canvas;
|
|
if (typeof HTMLCanvasElement !== "undefined") {
|
|
canvas = document.createElement("canvas");
|
|
canvas.style.display = "none";
|
|
} else {
|
|
canvas = new OffscreenCanvas(0, 0);
|
|
}
|
|
return Emval.toHandle(canvas);
|
|
}
|
|
|
|
function GetAdapterArchitecture() {
|
|
const device = Module["preinitializedWebGPUDevice"];
|
|
const architecture = device.adapterInfo ? device.adapterInfo.architecture : "Unknown";
|
|
return stringToNewUTF8(architecture);
|
|
}
|
|
|
|
function GetAdapterDescription() {
|
|
const device = Module["preinitializedWebGPUDevice"];
|
|
const description = device.adapterInfo ? device.adapterInfo.description : "Unknown";
|
|
return stringToNewUTF8(description);
|
|
}
|
|
|
|
function GetAdapterDeviceName() {
|
|
const device = Module["preinitializedWebGPUDevice"];
|
|
const deviceName = device.adapterInfo ? device.adapterInfo.device : "Unknown";
|
|
return stringToNewUTF8(deviceName);
|
|
}
|
|
|
|
function GetAdapterVendor() {
|
|
const device = Module["preinitializedWebGPUDevice"];
|
|
const vendor = device.adapterInfo ? device.adapterInfo.vendor : "Unknown";
|
|
return stringToNewUTF8(vendor);
|
|
}
|
|
|
|
function __asyncjs__mediapipe_map_buffer_jspi(buffer_handle, data) {
|
|
return Asyncify.handleAsync(async () => {
|
|
const buffer = WebGPU.getJsObject(buffer_handle);
|
|
if ("mapSync" in buffer) {
|
|
buffer.mapSync(GPUMapMode.READ);
|
|
} else {
|
|
await buffer.mapAsync(GPUMapMode.READ);
|
|
}
|
|
const mapped = buffer.getMappedRange();
|
|
HEAPU8.set(new Uint8Array(mapped), data);
|
|
buffer.unmap();
|
|
});
|
|
}
|
|
|
|
function hardware_concurrency() {
|
|
var concurrency = 1;
|
|
try {
|
|
concurrency = self.navigator.hardwareConcurrency;
|
|
} catch (e) {}
|
|
return concurrency;
|
|
}
|
|
|
|
function JsWrapErrorListener(code, message) {
|
|
if (Module.errorListener) {
|
|
const stringMessage = UTF8ToString(message);
|
|
Module.errorListener(code, stringMessage);
|
|
}
|
|
}
|
|
|
|
function UseBottomLeftGpuOrigin() {
|
|
return (Module && Module.gpuOriginForWebTexturesIsBottomLeft);
|
|
}
|
|
|
|
function custom_emscripten_dbgn(str, len) {
|
|
if (typeof (dbg) !== "undefined") {
|
|
dbg(UTF8ToString(str, len));
|
|
} else {
|
|
if (typeof (custom_dbg) === "undefined") {
|
|
function custom_dbg(text) {
|
|
console.warn.apply(console, arguments);
|
|
}
|
|
}
|
|
custom_dbg(UTF8ToString(str, len));
|
|
}
|
|
}
|
|
|
|
// Imports from the Wasm binary.
|
|
var _free, _malloc, _wgpuDeviceAddRef, _addBoundTextureAsImageToStream, _attachImageListener, _attachImageVectorListener, _registerModelResourcesGraphService, _bindTextureToStream, _addBoundTextureToStream, _addDoubleToInputStream, _addFloatToInputStream, _addBoolToInputStream, _addIntToInputStream, _addUintToInputStream, _addStringToInputStream, _addRawDataSpanToInputStream, _allocateBoolVector, _allocateFloatVector, _allocateDoubleVector, _allocateIntVector, _allocateUintVector, _allocateStringVector, _addBoolVectorEntry, _addFloatVectorEntry, _addDoubleVectorEntry, _addIntVectorEntry, _addUintVectorEntry, _addStringVectorEntry, _addBoolVectorToInputStream, _addFloatVectorToInputStream, _addDoubleVectorToInputStream, _addIntVectorToInputStream, _addUintVectorToInputStream, _addStringVectorToInputStream, _addFlatHashMapToInputStream, _addProtoToInputStream, _addEmptyPacketToInputStream, _addBoolToInputSidePacket, _addDoubleToInputSidePacket, _addFloatToInputSidePacket, _addIntToInputSidePacket, _addUintToInputSidePacket, _addStringToInputSidePacket, _addRawDataSpanToInputSidePacket, _addProtoToInputSidePacket, _addBoolVectorToInputSidePacket, _addDoubleVectorToInputSidePacket, _addFloatVectorToInputSidePacket, _addIntVectorToInputSidePacket, _addUintVectorToInputSidePacket, _addStringVectorToInputSidePacket, _attachBoolListener, _attachBoolVectorListener, _attachDoubleListener, _attachDoubleVectorListener, _attachFloatListener, _attachFloatVectorListener, _attachIntListener, _attachIntVectorListener, _attachUintListener, _attachUintVectorListener, _attachStringListener, _attachStringVectorListener, _attachProtoListener, _attachProtoVectorListener, _getGraphConfig, ___getTypeName, _emwgpuCreateBindGroup, _emwgpuCreateBindGroupLayout, _emwgpuCreateCommandBuffer, _emwgpuCreateCommandEncoder, _emwgpuCreateComputePassEncoder, _emwgpuCreateComputePipeline, _emwgpuCreateExternalTexture, _emwgpuCreatePipelineLayout, _emwgpuCreateQuerySet, _emwgpuCreateRenderBundle, _emwgpuCreateRenderBundleEncoder, _emwgpuCreateRenderPassEncoder, _emwgpuCreateRenderPipeline, _emwgpuCreateSampler, _emwgpuCreateSurface, _emwgpuCreateTexture, _emwgpuCreateTextureView, _emwgpuCreateAdapter, _emwgpuImportBuffer, _emwgpuCreateDevice, _emwgpuCreateQueue, _emwgpuCreateShaderModule, _emwgpuOnCreateComputePipelineCompleted, _emwgpuOnCreateRenderPipelineCompleted, _clearSubgraphs, _pushBinarySubgraph, _pushTextSubgraph, _changeBinaryGraph, _changeTextGraph, _processGl, _process, _bindTextureToCanvas, _requestShaderRefreshOnGraphChange, _waitUntilIdle, _closeGraph, _setAutoRenderToScreen, _emscripten_builtin_memalign, _memalign, __emscripten_tempret_set, __emscripten_stack_restore, __emscripten_stack_alloc, _emscripten_stack_get_current, dynCall_ji, dynCall_jii, dynCall_iiiijij, dynCall_viiji, dynCall_viji, dynCall_iiiji, dynCall_jjj, dynCall_iiiijj, dynCall_viijj, dynCall_viiijjj, dynCall_vij, dynCall_viijii, dynCall_viiiji, dynCall_vijjj, dynCall_vj, dynCall_viij, dynCall_jiji, dynCall_iiiiij, dynCall_iiiiijj, dynCall_iiiiiijj, memory, _kVersionStampBuildChangelistStr, _kVersionStampCitcSnapshotStr, _kVersionStampCitcWorkspaceIdStr, _kVersionStampSourceUriStr, _kVersionStampBuildClientStr, _kVersionStampBuildClientMintStatusStr, _kVersionStampBuildCompilerStr, _kVersionStampBuildDateTimePstStr, _kVersionStampBuildDepotPathStr, _kVersionStampBuildIdStr, _kVersionStampBuildInfoStr, _kVersionStampBuildLabelStr, _kVersionStampBuildTargetStr, _kVersionStampBuildTimestampStr, _kVersionStampBuildToolStr, _kVersionStampG3BuildTargetStr, _kVersionStampVerifiableStr, _kVersionStampBuildFdoTypeStr, _kVersionStampBuildBaselineChangelistStr, _kVersionStampBuildLtoTypeStr, _kVersionStampBuildPropellerTypeStr, _kVersionStampBuildPghoTypeStr, _kVersionStampBuildUsernameStr, _kVersionStampBuildHostnameStr, _kVersionStampBuildDirectoryStr, _kVersionStampBuildChangelistInt, _kVersionStampCitcSnapshotInt, _kVersionStampBuildClientMintStatusInt, _kVersionStampBuildTimestampInt, _kVersionStampVerifiableInt, _kVersionStampBuildCoverageEnabledInt, _kVersionStampBuildBaselineChangelistInt, _kVersionStampPrecookedTimestampStr, _kVersionStampPrecookedClientInfoStr, __indirect_function_table, wasmMemory, wasmTable;
|
|
|
|
function assignWasmExports(wasmExports) {
|
|
_free = Module["_free"] = wasmExports["Td"];
|
|
_malloc = Module["_malloc"] = wasmExports["Ud"];
|
|
_wgpuDeviceAddRef = wasmExports["Vd"];
|
|
_addBoundTextureAsImageToStream = Module["_addBoundTextureAsImageToStream"] = wasmExports["Wd"];
|
|
_attachImageListener = Module["_attachImageListener"] = wasmExports["Xd"];
|
|
_attachImageVectorListener = Module["_attachImageVectorListener"] = wasmExports["Yd"];
|
|
_registerModelResourcesGraphService = Module["_registerModelResourcesGraphService"] = wasmExports["Zd"];
|
|
_bindTextureToStream = Module["_bindTextureToStream"] = wasmExports["_d"];
|
|
_addBoundTextureToStream = Module["_addBoundTextureToStream"] = wasmExports["$d"];
|
|
_addDoubleToInputStream = Module["_addDoubleToInputStream"] = wasmExports["ae"];
|
|
_addFloatToInputStream = Module["_addFloatToInputStream"] = wasmExports["be"];
|
|
_addBoolToInputStream = Module["_addBoolToInputStream"] = wasmExports["ce"];
|
|
_addIntToInputStream = Module["_addIntToInputStream"] = wasmExports["de"];
|
|
_addUintToInputStream = Module["_addUintToInputStream"] = wasmExports["ee"];
|
|
_addStringToInputStream = Module["_addStringToInputStream"] = wasmExports["fe"];
|
|
_addRawDataSpanToInputStream = Module["_addRawDataSpanToInputStream"] = wasmExports["ge"];
|
|
_allocateBoolVector = Module["_allocateBoolVector"] = wasmExports["he"];
|
|
_allocateFloatVector = Module["_allocateFloatVector"] = wasmExports["ie"];
|
|
_allocateDoubleVector = Module["_allocateDoubleVector"] = wasmExports["je"];
|
|
_allocateIntVector = Module["_allocateIntVector"] = wasmExports["ke"];
|
|
_allocateUintVector = Module["_allocateUintVector"] = wasmExports["le"];
|
|
_allocateStringVector = Module["_allocateStringVector"] = wasmExports["me"];
|
|
_addBoolVectorEntry = Module["_addBoolVectorEntry"] = wasmExports["ne"];
|
|
_addFloatVectorEntry = Module["_addFloatVectorEntry"] = wasmExports["oe"];
|
|
_addDoubleVectorEntry = Module["_addDoubleVectorEntry"] = wasmExports["pe"];
|
|
_addIntVectorEntry = Module["_addIntVectorEntry"] = wasmExports["qe"];
|
|
_addUintVectorEntry = Module["_addUintVectorEntry"] = wasmExports["re"];
|
|
_addStringVectorEntry = Module["_addStringVectorEntry"] = wasmExports["se"];
|
|
_addBoolVectorToInputStream = Module["_addBoolVectorToInputStream"] = wasmExports["te"];
|
|
_addFloatVectorToInputStream = Module["_addFloatVectorToInputStream"] = wasmExports["ue"];
|
|
_addDoubleVectorToInputStream = Module["_addDoubleVectorToInputStream"] = wasmExports["ve"];
|
|
_addIntVectorToInputStream = Module["_addIntVectorToInputStream"] = wasmExports["we"];
|
|
_addUintVectorToInputStream = Module["_addUintVectorToInputStream"] = wasmExports["xe"];
|
|
_addStringVectorToInputStream = Module["_addStringVectorToInputStream"] = wasmExports["ye"];
|
|
_addFlatHashMapToInputStream = Module["_addFlatHashMapToInputStream"] = wasmExports["ze"];
|
|
_addProtoToInputStream = Module["_addProtoToInputStream"] = wasmExports["Ae"];
|
|
_addEmptyPacketToInputStream = Module["_addEmptyPacketToInputStream"] = wasmExports["Be"];
|
|
_addBoolToInputSidePacket = Module["_addBoolToInputSidePacket"] = wasmExports["Ce"];
|
|
_addDoubleToInputSidePacket = Module["_addDoubleToInputSidePacket"] = wasmExports["De"];
|
|
_addFloatToInputSidePacket = Module["_addFloatToInputSidePacket"] = wasmExports["Ee"];
|
|
_addIntToInputSidePacket = Module["_addIntToInputSidePacket"] = wasmExports["Fe"];
|
|
_addUintToInputSidePacket = Module["_addUintToInputSidePacket"] = wasmExports["Ge"];
|
|
_addStringToInputSidePacket = Module["_addStringToInputSidePacket"] = wasmExports["He"];
|
|
_addRawDataSpanToInputSidePacket = Module["_addRawDataSpanToInputSidePacket"] = wasmExports["Ie"];
|
|
_addProtoToInputSidePacket = Module["_addProtoToInputSidePacket"] = wasmExports["Je"];
|
|
_addBoolVectorToInputSidePacket = Module["_addBoolVectorToInputSidePacket"] = wasmExports["Ke"];
|
|
_addDoubleVectorToInputSidePacket = Module["_addDoubleVectorToInputSidePacket"] = wasmExports["Le"];
|
|
_addFloatVectorToInputSidePacket = Module["_addFloatVectorToInputSidePacket"] = wasmExports["Me"];
|
|
_addIntVectorToInputSidePacket = Module["_addIntVectorToInputSidePacket"] = wasmExports["Ne"];
|
|
_addUintVectorToInputSidePacket = Module["_addUintVectorToInputSidePacket"] = wasmExports["Oe"];
|
|
_addStringVectorToInputSidePacket = Module["_addStringVectorToInputSidePacket"] = wasmExports["Pe"];
|
|
_attachBoolListener = Module["_attachBoolListener"] = wasmExports["Qe"];
|
|
_attachBoolVectorListener = Module["_attachBoolVectorListener"] = wasmExports["Re"];
|
|
_attachDoubleListener = Module["_attachDoubleListener"] = wasmExports["Se"];
|
|
_attachDoubleVectorListener = Module["_attachDoubleVectorListener"] = wasmExports["Te"];
|
|
_attachFloatListener = Module["_attachFloatListener"] = wasmExports["Ue"];
|
|
_attachFloatVectorListener = Module["_attachFloatVectorListener"] = wasmExports["Ve"];
|
|
_attachIntListener = Module["_attachIntListener"] = wasmExports["We"];
|
|
_attachIntVectorListener = Module["_attachIntVectorListener"] = wasmExports["Xe"];
|
|
_attachUintListener = Module["_attachUintListener"] = wasmExports["Ye"];
|
|
_attachUintVectorListener = Module["_attachUintVectorListener"] = wasmExports["Ze"];
|
|
_attachStringListener = Module["_attachStringListener"] = wasmExports["_e"];
|
|
_attachStringVectorListener = Module["_attachStringVectorListener"] = wasmExports["$e"];
|
|
_attachProtoListener = Module["_attachProtoListener"] = wasmExports["af"];
|
|
_attachProtoVectorListener = Module["_attachProtoVectorListener"] = wasmExports["bf"];
|
|
_getGraphConfig = Module["_getGraphConfig"] = wasmExports["cf"];
|
|
___getTypeName = wasmExports["df"];
|
|
_emwgpuCreateBindGroup = wasmExports["ef"];
|
|
_emwgpuCreateBindGroupLayout = wasmExports["ff"];
|
|
_emwgpuCreateCommandBuffer = wasmExports["gf"];
|
|
_emwgpuCreateCommandEncoder = wasmExports["hf"];
|
|
_emwgpuCreateComputePassEncoder = wasmExports["jf"];
|
|
_emwgpuCreateComputePipeline = wasmExports["kf"];
|
|
_emwgpuCreateExternalTexture = wasmExports["lf"];
|
|
_emwgpuCreatePipelineLayout = wasmExports["mf"];
|
|
_emwgpuCreateQuerySet = wasmExports["nf"];
|
|
_emwgpuCreateRenderBundle = wasmExports["of"];
|
|
_emwgpuCreateRenderBundleEncoder = wasmExports["pf"];
|
|
_emwgpuCreateRenderPassEncoder = wasmExports["qf"];
|
|
_emwgpuCreateRenderPipeline = wasmExports["rf"];
|
|
_emwgpuCreateSampler = wasmExports["sf"];
|
|
_emwgpuCreateSurface = wasmExports["tf"];
|
|
_emwgpuCreateTexture = wasmExports["uf"];
|
|
_emwgpuCreateTextureView = wasmExports["vf"];
|
|
_emwgpuCreateAdapter = wasmExports["wf"];
|
|
_emwgpuImportBuffer = wasmExports["xf"];
|
|
_emwgpuCreateDevice = wasmExports["yf"];
|
|
_emwgpuCreateQueue = wasmExports["zf"];
|
|
_emwgpuCreateShaderModule = wasmExports["Af"];
|
|
_emwgpuOnCreateComputePipelineCompleted = wasmExports["Bf"];
|
|
_emwgpuOnCreateRenderPipelineCompleted = wasmExports["Cf"];
|
|
_clearSubgraphs = Module["_clearSubgraphs"] = wasmExports["Df"];
|
|
_pushBinarySubgraph = Module["_pushBinarySubgraph"] = wasmExports["Ef"];
|
|
_pushTextSubgraph = Module["_pushTextSubgraph"] = wasmExports["Ff"];
|
|
_changeBinaryGraph = Module["_changeBinaryGraph"] = wasmExports["Gf"];
|
|
_changeTextGraph = Module["_changeTextGraph"] = wasmExports["Hf"];
|
|
_processGl = Module["_processGl"] = wasmExports["If"];
|
|
_process = Module["_process"] = wasmExports["Jf"];
|
|
_bindTextureToCanvas = Module["_bindTextureToCanvas"] = wasmExports["Kf"];
|
|
_requestShaderRefreshOnGraphChange = Module["_requestShaderRefreshOnGraphChange"] = wasmExports["Lf"];
|
|
_waitUntilIdle = Module["_waitUntilIdle"] = wasmExports["Mf"];
|
|
_closeGraph = Module["_closeGraph"] = wasmExports["Nf"];
|
|
_setAutoRenderToScreen = Module["_setAutoRenderToScreen"] = wasmExports["Of"];
|
|
_emscripten_builtin_memalign = wasmExports["Pf"];
|
|
_memalign = wasmExports["Qf"];
|
|
__emscripten_tempret_set = wasmExports["Rf"];
|
|
__emscripten_stack_restore = wasmExports["Sf"];
|
|
__emscripten_stack_alloc = wasmExports["Tf"];
|
|
_emscripten_stack_get_current = wasmExports["Uf"];
|
|
dynCall_ji = wasmExports["dynCall_ji"];
|
|
dynCall_jii = wasmExports["dynCall_jii"];
|
|
dynCall_iiiijij = wasmExports["dynCall_iiiijij"];
|
|
dynCall_viiji = wasmExports["dynCall_viiji"];
|
|
dynCall_viji = wasmExports["dynCall_viji"];
|
|
dynCall_iiiji = wasmExports["dynCall_iiiji"];
|
|
dynCall_jjj = wasmExports["dynCall_jjj"];
|
|
dynCall_iiiijj = wasmExports["dynCall_iiiijj"];
|
|
dynCall_viijj = wasmExports["dynCall_viijj"];
|
|
dynCall_viiijjj = wasmExports["dynCall_viiijjj"];
|
|
dynCall_vij = wasmExports["dynCall_vij"];
|
|
dynCall_viijii = wasmExports["dynCall_viijii"];
|
|
dynCall_viiiji = wasmExports["dynCall_viiiji"];
|
|
dynCall_vijjj = wasmExports["dynCall_vijjj"];
|
|
dynCall_vj = wasmExports["dynCall_vj"];
|
|
dynCall_viij = wasmExports["dynCall_viij"];
|
|
dynCall_jiji = wasmExports["dynCall_jiji"];
|
|
dynCall_iiiiij = wasmExports["dynCall_iiiiij"];
|
|
dynCall_iiiiijj = wasmExports["dynCall_iiiiijj"];
|
|
dynCall_iiiiiijj = wasmExports["dynCall_iiiiiijj"];
|
|
memory = wasmMemory = wasmExports["id"];
|
|
_kVersionStampBuildChangelistStr = Module["_kVersionStampBuildChangelistStr"] = wasmExports["kd"].value;
|
|
_kVersionStampCitcSnapshotStr = Module["_kVersionStampCitcSnapshotStr"] = wasmExports["ld"].value;
|
|
_kVersionStampCitcWorkspaceIdStr = Module["_kVersionStampCitcWorkspaceIdStr"] = wasmExports["md"].value;
|
|
_kVersionStampSourceUriStr = Module["_kVersionStampSourceUriStr"] = wasmExports["nd"].value;
|
|
_kVersionStampBuildClientStr = Module["_kVersionStampBuildClientStr"] = wasmExports["od"].value;
|
|
_kVersionStampBuildClientMintStatusStr = Module["_kVersionStampBuildClientMintStatusStr"] = wasmExports["pd"].value;
|
|
_kVersionStampBuildCompilerStr = Module["_kVersionStampBuildCompilerStr"] = wasmExports["qd"].value;
|
|
_kVersionStampBuildDateTimePstStr = Module["_kVersionStampBuildDateTimePstStr"] = wasmExports["rd"].value;
|
|
_kVersionStampBuildDepotPathStr = Module["_kVersionStampBuildDepotPathStr"] = wasmExports["sd"].value;
|
|
_kVersionStampBuildIdStr = Module["_kVersionStampBuildIdStr"] = wasmExports["td"].value;
|
|
_kVersionStampBuildInfoStr = Module["_kVersionStampBuildInfoStr"] = wasmExports["ud"].value;
|
|
_kVersionStampBuildLabelStr = Module["_kVersionStampBuildLabelStr"] = wasmExports["vd"].value;
|
|
_kVersionStampBuildTargetStr = Module["_kVersionStampBuildTargetStr"] = wasmExports["wd"].value;
|
|
_kVersionStampBuildTimestampStr = Module["_kVersionStampBuildTimestampStr"] = wasmExports["xd"].value;
|
|
_kVersionStampBuildToolStr = Module["_kVersionStampBuildToolStr"] = wasmExports["yd"].value;
|
|
_kVersionStampG3BuildTargetStr = Module["_kVersionStampG3BuildTargetStr"] = wasmExports["zd"].value;
|
|
_kVersionStampVerifiableStr = Module["_kVersionStampVerifiableStr"] = wasmExports["Ad"].value;
|
|
_kVersionStampBuildFdoTypeStr = Module["_kVersionStampBuildFdoTypeStr"] = wasmExports["Bd"].value;
|
|
_kVersionStampBuildBaselineChangelistStr = Module["_kVersionStampBuildBaselineChangelistStr"] = wasmExports["Cd"].value;
|
|
_kVersionStampBuildLtoTypeStr = Module["_kVersionStampBuildLtoTypeStr"] = wasmExports["Dd"].value;
|
|
_kVersionStampBuildPropellerTypeStr = Module["_kVersionStampBuildPropellerTypeStr"] = wasmExports["Ed"].value;
|
|
_kVersionStampBuildPghoTypeStr = Module["_kVersionStampBuildPghoTypeStr"] = wasmExports["Fd"].value;
|
|
_kVersionStampBuildUsernameStr = Module["_kVersionStampBuildUsernameStr"] = wasmExports["Gd"].value;
|
|
_kVersionStampBuildHostnameStr = Module["_kVersionStampBuildHostnameStr"] = wasmExports["Hd"].value;
|
|
_kVersionStampBuildDirectoryStr = Module["_kVersionStampBuildDirectoryStr"] = wasmExports["Id"].value;
|
|
_kVersionStampBuildChangelistInt = Module["_kVersionStampBuildChangelistInt"] = wasmExports["Jd"].value;
|
|
_kVersionStampCitcSnapshotInt = Module["_kVersionStampCitcSnapshotInt"] = wasmExports["Kd"].value;
|
|
_kVersionStampBuildClientMintStatusInt = Module["_kVersionStampBuildClientMintStatusInt"] = wasmExports["Ld"].value;
|
|
_kVersionStampBuildTimestampInt = Module["_kVersionStampBuildTimestampInt"] = wasmExports["Md"].value;
|
|
_kVersionStampVerifiableInt = Module["_kVersionStampVerifiableInt"] = wasmExports["Nd"].value;
|
|
_kVersionStampBuildCoverageEnabledInt = Module["_kVersionStampBuildCoverageEnabledInt"] = wasmExports["Od"].value;
|
|
_kVersionStampBuildBaselineChangelistInt = Module["_kVersionStampBuildBaselineChangelistInt"] = wasmExports["Pd"].value;
|
|
_kVersionStampPrecookedTimestampStr = Module["_kVersionStampPrecookedTimestampStr"] = wasmExports["Qd"].value;
|
|
_kVersionStampPrecookedClientInfoStr = Module["_kVersionStampPrecookedClientInfoStr"] = wasmExports["Rd"].value;
|
|
__indirect_function_table = wasmTable = wasmExports["Sd"];
|
|
}
|
|
|
|
var wasmImports = {
|
|
/** @export */ hd: BeginGlQueryTiming,
|
|
/** @export */ gd: EndGlQueryTiming,
|
|
/** @export */ fd: GetAdapterArchitecture,
|
|
/** @export */ ed: GetAdapterDescription,
|
|
/** @export */ dd: GetAdapterDeviceName,
|
|
/** @export */ cd: GetAdapterVendor,
|
|
/** @export */ bd: JsOnEmptyPacketListener,
|
|
/** @export */ ad: JsOnFloat32ArrayImageListener,
|
|
/** @export */ $c: JsOnFloat32ArrayImageVectorListener,
|
|
/** @export */ pb: JsOnSimpleListenerBinaryArray,
|
|
/** @export */ _c: JsOnSimpleListenerBool,
|
|
/** @export */ Zc: JsOnSimpleListenerDouble,
|
|
/** @export */ Yc: JsOnSimpleListenerFloat,
|
|
/** @export */ Xc: JsOnSimpleListenerInt,
|
|
/** @export */ Wc: JsOnSimpleListenerString,
|
|
/** @export */ Vc: JsOnSimpleListenerUint,
|
|
/** @export */ Uc: JsOnUint8ArrayImageListener,
|
|
/** @export */ Tc: JsOnUint8ArrayImageVectorListener,
|
|
/** @export */ O: JsOnVectorFinishedListener,
|
|
/** @export */ Sc: JsOnVectorListenerBool,
|
|
/** @export */ Rc: JsOnVectorListenerDouble,
|
|
/** @export */ Qc: JsOnVectorListenerFloat,
|
|
/** @export */ Pc: JsOnVectorListenerInt,
|
|
/** @export */ Oc: JsOnVectorListenerProto,
|
|
/** @export */ Nc: JsOnVectorListenerString,
|
|
/** @export */ Mc: JsOnVectorListenerUint,
|
|
/** @export */ Lc: JsOnWebGLTextureListener,
|
|
/** @export */ Kc: JsOnWebGLTextureVectorListener,
|
|
/** @export */ Pa: JsWrapErrorListener,
|
|
/** @export */ ob: JsWrapImageConverter,
|
|
/** @export */ u: JsWrapSimpleListeners,
|
|
/** @export */ nb: UseBottomLeftGpuOrigin,
|
|
/** @export */ yb: __asyncjs__mediapipe_map_buffer_jspi,
|
|
/** @export */ r: ___cxa_throw,
|
|
/** @export */ Jc: ___syscall_dup,
|
|
/** @export */ Ic: ___syscall_faccessat,
|
|
/** @export */ mb: ___syscall_fcntl64,
|
|
/** @export */ Hc: ___syscall_fstat64,
|
|
/** @export */ Mb: ___syscall_ftruncate64,
|
|
/** @export */ Gc: ___syscall_ioctl,
|
|
/** @export */ Fc: ___syscall_lstat64,
|
|
/** @export */ Ec: ___syscall_newfstatat,
|
|
/** @export */ lb: ___syscall_openat,
|
|
/** @export */ Dc: ___syscall_stat64,
|
|
/** @export */ yc: __abort_js,
|
|
/** @export */ Jb: __embind_register_bigint,
|
|
/** @export */ xc: __embind_register_bool,
|
|
/** @export */ wc: __embind_register_emval,
|
|
/** @export */ jb: __embind_register_float,
|
|
/** @export */ I: __embind_register_integer,
|
|
/** @export */ q: __embind_register_memory_view,
|
|
/** @export */ vc: __embind_register_std_string,
|
|
/** @export */ Ma: __embind_register_std_wstring,
|
|
/** @export */ uc: __embind_register_void,
|
|
/** @export */ $: __emval_create_invoker,
|
|
/** @export */ p: __emval_decref,
|
|
/** @export */ La: __emval_get_global,
|
|
/** @export */ ib: __emval_get_property,
|
|
/** @export */ ja: __emval_incref,
|
|
/** @export */ Ka: __emval_instanceof,
|
|
/** @export */ _: __emval_invoke,
|
|
/** @export */ ua: __emval_new_cstring,
|
|
/** @export */ Z: __emval_run_destructors,
|
|
/** @export */ hb: __emval_set_property,
|
|
/** @export */ tc: __emval_typeof,
|
|
/** @export */ Ib: __gmtime_js,
|
|
/** @export */ Hb: __localtime_js,
|
|
/** @export */ Gb: __mktime_js,
|
|
/** @export */ Fb: __mmap_js,
|
|
/** @export */ Eb: __munmap_js,
|
|
/** @export */ sc: __tzset_js,
|
|
/** @export */ Lb: _clock_time_get,
|
|
/** @export */ rc: custom_emscripten_dbgn,
|
|
/** @export */ Y: _emscripten_asm_const_int,
|
|
/** @export */ gb: _emscripten_asm_const_ptr,
|
|
/** @export */ Ja: _emscripten_errn,
|
|
/** @export */ qc: _emscripten_get_heap_max,
|
|
/** @export */ y: _emscripten_get_now,
|
|
/** @export */ ia: _emscripten_has_asyncify,
|
|
/** @export */ pc: _emscripten_outn,
|
|
/** @export */ oc: _emscripten_pc_get_function,
|
|
/** @export */ nc: _emscripten_resize_heap,
|
|
/** @export */ fb: _emscripten_stack_snapshot,
|
|
/** @export */ mc: _emscripten_stack_unwind_buffer,
|
|
/** @export */ lc: _emscripten_webgl_create_context,
|
|
/** @export */ kc: _emscripten_webgl_destroy_context,
|
|
/** @export */ jc: _emscripten_webgl_get_context_attributes,
|
|
/** @export */ ha: _emscripten_webgl_get_current_context,
|
|
/** @export */ ic: _emscripten_webgl_make_context_current,
|
|
/** @export */ Q: _emscripten_webgpu_get_device,
|
|
/** @export */ hc: _emwgpuBufferDestroy,
|
|
/** @export */ gc: _emwgpuBufferGetMappedRange,
|
|
/** @export */ fc: _emwgpuBufferUnmap,
|
|
/** @export */ x: _emwgpuDelete,
|
|
/** @export */ ec: _emwgpuDeviceCreateBuffer,
|
|
/** @export */ Db: _emwgpuDeviceCreateComputePipelineAsync,
|
|
/** @export */ Cb: _emwgpuDeviceCreateRenderPipelineAsync,
|
|
/** @export */ dc: _emwgpuDeviceCreateShaderModule,
|
|
/** @export */ cc: _emwgpuDeviceDestroy,
|
|
/** @export */ bc: _emwgpuWaitAny,
|
|
/** @export */ Cc: _environ_get,
|
|
/** @export */ Bc: _environ_sizes_get,
|
|
/** @export */ eb: _exit,
|
|
/** @export */ Oa: _fd_close,
|
|
/** @export */ kb: _fd_read,
|
|
/** @export */ Kb: _fd_seek,
|
|
/** @export */ Na: _fd_write,
|
|
/** @export */ b: _glActiveTexture,
|
|
/** @export */ ta: _glAttachShader,
|
|
/** @export */ ac: _glBindAttribLocation,
|
|
/** @export */ c: _glBindBuffer,
|
|
/** @export */ db: _glBindBufferBase,
|
|
/** @export */ t: _glBindFramebuffer,
|
|
/** @export */ a: _glBindTexture,
|
|
/** @export */ m: _glBindVertexArray,
|
|
/** @export */ cb: _glBlendEquation,
|
|
/** @export */ $b: _glBlendFunc,
|
|
/** @export */ j: _glBufferData,
|
|
/** @export */ H: _glClear,
|
|
/** @export */ X: _glClearColor,
|
|
/** @export */ da: _glClientWaitSync,
|
|
/** @export */ ga: _glColorMask,
|
|
/** @export */ bb: _glCompileShader,
|
|
/** @export */ ab: _glCreateProgram,
|
|
/** @export */ $a: _glCreateShader,
|
|
/** @export */ o: _glDeleteBuffers,
|
|
/** @export */ P: _glDeleteFramebuffers,
|
|
/** @export */ h: _glDeleteProgram,
|
|
/** @export */ sa: _glDeleteShader,
|
|
/** @export */ ra: _glDeleteSync,
|
|
/** @export */ D: _glDeleteTextures,
|
|
/** @export */ A: _glDeleteVertexArrays,
|
|
/** @export */ _a: _glDetachShader,
|
|
/** @export */ G: _glDisable,
|
|
/** @export */ n: _glDisableVertexAttribArray,
|
|
/** @export */ i: _glDrawArrays,
|
|
/** @export */ fa: _glDrawBuffers,
|
|
/** @export */ _b: _glEnable,
|
|
/** @export */ l: _glEnableVertexAttribArray,
|
|
/** @export */ Za: _glFenceSync,
|
|
/** @export */ qa: _glFinish,
|
|
/** @export */ v: _glFlush,
|
|
/** @export */ C: _glFramebufferTexture2D,
|
|
/** @export */ Ya: _glFramebufferTextureLayer,
|
|
/** @export */ s: _glGenBuffers,
|
|
/** @export */ W: _glGenFramebuffers,
|
|
/** @export */ F: _glGenTextures,
|
|
/** @export */ B: _glGenVertexArrays,
|
|
/** @export */ Xa: _glGetAttribLocation,
|
|
/** @export */ ea: _glGetError,
|
|
/** @export */ Zb: _glGetFloatv,
|
|
/** @export */ w: _glGetIntegerv,
|
|
/** @export */ Yb: _glGetProgramiv,
|
|
/** @export */ Xb: _glGetShaderInfoLog,
|
|
/** @export */ Wb: _glGetShaderiv,
|
|
/** @export */ N: _glGetString,
|
|
/** @export */ Vb: _glGetUniformBlockIndex,
|
|
/** @export */ d: _glGetUniformLocation,
|
|
/** @export */ Ub: _glLineWidth,
|
|
/** @export */ Wa: _glLinkProgram,
|
|
/** @export */ pa: _glPixelStorei,
|
|
/** @export */ oa: _glReadPixels,
|
|
/** @export */ Va: _glShaderSource,
|
|
/** @export */ E: _glTexImage2D,
|
|
/** @export */ na: _glTexParameterf,
|
|
/** @export */ Ua: _glTexParameterfv,
|
|
/** @export */ f: _glTexParameteri,
|
|
/** @export */ ma: _glTexStorage2D,
|
|
/** @export */ Tb: _glTexStorage3D,
|
|
/** @export */ V: _glTexSubImage2D,
|
|
/** @export */ Sb: _glTexSubImage3D,
|
|
/** @export */ M: _glUniform1f,
|
|
/** @export */ la: _glUniform1fv,
|
|
/** @export */ e: _glUniform1i,
|
|
/** @export */ U: _glUniform2f,
|
|
/** @export */ Rb: _glUniform2fv,
|
|
/** @export */ Ia: _glUniform3f,
|
|
/** @export */ Ta: _glUniform4f,
|
|
/** @export */ T: _glUniform4fv,
|
|
/** @export */ Qb: _glUniform4iv,
|
|
/** @export */ Pb: _glUniformBlockBinding,
|
|
/** @export */ Ob: _glUniformMatrix2fv,
|
|
/** @export */ Nb: _glUniformMatrix3fv,
|
|
/** @export */ Ha: _glUniformMatrix4fv,
|
|
/** @export */ g: _glUseProgram,
|
|
/** @export */ k: _glVertexAttribPointer,
|
|
/** @export */ S: _glViewport,
|
|
/** @export */ Ga: hardware_concurrency,
|
|
/** @export */ Bb: mediapipe_create_utility_canvas2d,
|
|
/** @export */ Ab: _mediapipe_find_canvas_event_target,
|
|
/** @export */ zb: mediapipe_import_external_texture,
|
|
/** @export */ xb: _mediapipe_webgl_tex_image_drawable,
|
|
/** @export */ Ac: _proc_exit,
|
|
/** @export */ zc: _random_get,
|
|
/** @export */ Fa: _wgpuCommandEncoderBeginComputePass,
|
|
/** @export */ Ea: _wgpuCommandEncoderBeginRenderPass,
|
|
/** @export */ wb: _wgpuCommandEncoderCopyBufferToTexture,
|
|
/** @export */ vb: _wgpuCommandEncoderCopyTextureToBuffer,
|
|
/** @export */ ub: _wgpuCommandEncoderCopyTextureToTexture,
|
|
/** @export */ L: _wgpuCommandEncoderFinish,
|
|
/** @export */ Da: _wgpuComputePassEncoderDispatchWorkgroups,
|
|
/** @export */ Ca: _wgpuComputePassEncoderEnd,
|
|
/** @export */ Ba: _wgpuComputePassEncoderSetBindGroup,
|
|
/** @export */ Aa: _wgpuComputePassEncoderSetPipeline,
|
|
/** @export */ za: _wgpuComputePipelineGetBindGroupLayout,
|
|
/** @export */ ca: _wgpuDeviceCreateBindGroup,
|
|
/** @export */ tb: _wgpuDeviceCreateBindGroupLayout,
|
|
/** @export */ K: _wgpuDeviceCreateCommandEncoder,
|
|
/** @export */ sb: _wgpuDeviceCreateComputePipeline,
|
|
/** @export */ rb: _wgpuDeviceCreatePipelineLayout,
|
|
/** @export */ Sa: _wgpuDeviceCreateRenderPipeline,
|
|
/** @export */ R: _wgpuDeviceCreateSampler,
|
|
/** @export */ ba: _wgpuDeviceCreateTexture,
|
|
/** @export */ J: _wgpuQueueSubmit,
|
|
/** @export */ ka: _wgpuQueueWriteBuffer,
|
|
/** @export */ qb: _wgpuQueueWriteTexture,
|
|
/** @export */ ya: _wgpuRenderPassEncoderDraw,
|
|
/** @export */ xa: _wgpuRenderPassEncoderEnd,
|
|
/** @export */ wa: _wgpuRenderPassEncoderSetBindGroup,
|
|
/** @export */ va: _wgpuRenderPassEncoderSetPipeline,
|
|
/** @export */ Ra: _wgpuRenderPipelineGetBindGroupLayout,
|
|
/** @export */ z: _wgpuTextureCreateView,
|
|
/** @export */ Qa: _wgpuTextureDestroy,
|
|
/** @export */ aa: _wgpuTextureGetFormat
|
|
};
|
|
|
|
// include: postamble.js
|
|
// === Auto-generated postamble setup entry stuff ===
|
|
function run() {
|
|
if (runDependencies > 0) {
|
|
dependenciesFulfilled = run;
|
|
return;
|
|
}
|
|
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
|
|
Module["calledRun"] = true;
|
|
if (ABORT) return;
|
|
initRuntime();
|
|
readyPromiseResolve?.(Module);
|
|
Module["onRuntimeInitialized"]?.();
|
|
postRun();
|
|
}
|
|
if (Module["setStatus"]) {
|
|
Module["setStatus"]("Running...");
|
|
setTimeout(() => {
|
|
setTimeout(() => Module["setStatus"](""), 1);
|
|
doRun();
|
|
}, 1);
|
|
} else {
|
|
doRun();
|
|
}
|
|
}
|
|
|
|
var wasmExports;
|
|
|
|
// In modularize mode the generated code is within a factory function so we
|
|
// can use await here (since it's not top-level-await).
|
|
wasmExports = await (createWasm());
|
|
|
|
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 an extern so it won't get minified.
|
|
if (runtimeInitialized) {
|
|
moduleRtn = Module;
|
|
} else {
|
|
// Set up the promise that indicates the Module is initialized
|
|
moduleRtn = new Promise((resolve, reject) => {
|
|
readyPromiseResolve = resolve;
|
|
readyPromiseReject = reject;
|
|
});
|
|
}
|
|
|
|
|
|
return moduleRtn;
|
|
};
|
|
})();
|
|
|
|
// Export using a UMD style export, or ES6 exports if selected
|
|
if (typeof exports === 'object' && typeof module === 'object') {
|
|
module.exports = ModuleFactory;
|
|
// This default export looks redundant, but it allows TS to import this
|
|
// commonjs style module.
|
|
module.exports.default = ModuleFactory;
|
|
} else if (typeof define === 'function' && define['amd'])
|
|
define([], () => ModuleFactory);
|
|
|