function opn(){ setTimeout(function(){ document.getElementById('shut').innerHTML=2; document.getElementById("circle").width=window.innerWidth; document.getElementById("circle").height=window.innerHeight; },350); } opn(); // The Module object: Our interface to the outside world. We import // and export values on it. There are various ways Module can be used: // 1. Not defined. We create it here // 2. A function parameter, function(Module) { ..generated code.. } // 3. pre-run appended it, var Module = {}; ..generated code.. // 4. External script tag defines var Module. // We need to check if Module already exists (e.g. case 3 above). // Substitution will be replaced with actual code on later stage of the build, // this way Closure Compiler will not mangle it (e.g. case 4. above). // Note that if you want to run closure, and also to use Module // after the generated code, you will need to define var Module = {}; // before the code. Then that object will be used in the code, and you // can continue to use Module afterwards as well. var Module = typeof Module != 'undefined' ? Module : {}; // See https://caniuse.com/mdn-javascript_builtins_object_assign // See https://caniuse.com/mdn-javascript_builtins_bigint64array // --pre-jses are emitted after the Module integration code, so that they can // refer to Module (if they choose; they can also define Module) // Sometimes an existing Module object exists with properties // meant to overwrite the default module functionality. Here // we collect those properties and reapply _after_ we configure // the current environment's defaults to avoid having to be so // defensive during initialization. var moduleOverrides = Object.assign({}, Module); var arguments_ = []; var thisProgram = './this.program'; var quit_ = (status, toThrow) => { throw toThrow; }; // Determine the runtime environment we are in. You can customize this by // setting the ENVIRONMENT setting at compile time (see settings.js). var ENVIRONMENT_IS_WEB = true; var ENVIRONMENT_IS_WORKER = false; var ENVIRONMENT_IS_NODE = false; var ENVIRONMENT_IS_SHELL = false; if (Module['ENVIRONMENT']) { throw new Error('Module.ENVIRONMENT has been deprecated. To force the environment, use the ENVIRONMENT compile-time option (for example, -sENVIRONMENT=web or -sENVIRONMENT=node)'); } // `/` should be present at the end if `scriptDirectory` is not empty var scriptDirectory = ''; function locateFile(path) { if (Module['locateFile']) { return Module['locateFile'](path, scriptDirectory); } return scriptDirectory + path; } // Hooks that are implemented differently in different runtime environments. var read_, readAsync, readBinary, setWindowTitle; // Normally we don't log exceptions but instead let them bubble out the top // level where the embedding environment (e.g. the browser) can handle // them. // However under v8 and node we sometimes exit the process direcly in which case // its up to use us to log the exception before exiting. // If we fix https://github.com/emscripten-core/emscripten/issues/15080 // this may no longer be needed under node. function logExceptionOnExit(e) { if (e instanceof ExitStatus) return; let toLog = e; if (e && typeof e == 'object' && e.stack) { toLog = [e, e.stack]; } err('exiting due to exception: ' + toLog); } if (ENVIRONMENT_IS_SHELL) { if ((typeof process == 'object' && typeof require === 'function') || typeof window == 'object' || typeof importScripts == 'function') throw new Error('not compiled for this environment (did you build to HTML and try to run it not on the web, or set ENVIRONMENT to something - like node - and run it someplace else - like on the web?)'); if (typeof read != 'undefined') { read_ = function shell_read(f) { return read(f); }; } readBinary = function readBinary(f) { let data; if (typeof readbuffer == 'function') { return new Uint8Array(readbuffer(f)); } data = read(f, 'binary'); assert(typeof data == 'object'); return data; }; readAsync = function readAsync(f, onload, onerror) { setTimeout(() => onload(readBinary(f)), 0); }; if (typeof scriptArgs != 'undefined') { arguments_ = scriptArgs; } else if (typeof arguments != 'undefined') { arguments_ = arguments; } if (typeof quit == 'function') { quit_ = (status, toThrow) => { logExceptionOnExit(toThrow); quit(status); }; } if (typeof print != 'undefined') { // Prefer to use print/printErr where they exist, as they usually work better. if (typeof console == 'undefined') console = /** @type{!Console} */({}); console.log = /** @type{!function(this:Console, ...*): undefined} */ (print); console.warn = console.error = /** @type{!function(this:Console, ...*): undefined} */ (typeof printErr != 'undefined' ? printErr : print); } } else // Note that this includes Node.js workers when relevant (pthreads is enabled). // Node.js workers are detected as a combination of ENVIRONMENT_IS_WORKER and // ENVIRONMENT_IS_NODE. if (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) { if (ENVIRONMENT_IS_WORKER) { // Check worker, not web, since window could be polyfilled scriptDirectory = self.location.href; } else if (typeof document != 'undefined' && document.currentScript) { // web scriptDirectory = document.currentScript.src; } // blob urls look like blob:http://site.com/etc/etc and we cannot infer anything from them. // otherwise, slice off the final part of the url to find the script directory. // if scriptDirectory does not contain a slash, lastIndexOf will return -1, // and scriptDirectory will correctly be replaced with an empty string. // If scriptDirectory contains a query (starting with ?) or a fragment (starting with #), // they are removed because they could contain a slash. if (scriptDirectory.indexOf('blob:') !== 0) { scriptDirectory = scriptDirectory.substr(0, scriptDirectory.replace(/[?#].*/, "").lastIndexOf('/')+1); } else { scriptDirectory = ''; } if (!(typeof window == 'object' || typeof importScripts == 'function')) throw new Error('not compiled for this environment (did you build to HTML and try to run it not on the web, or set ENVIRONMENT to something - like node - and run it someplace else - like on the web?)'); // Differentiate the Web Worker from the Node Worker case, as reading must // be done differently. { // include: web_or_worker_shell_read.js read_ = (url) => { var xhr = new XMLHttpRequest(); xhr.open('GET', url, false); xhr.send(null); return xhr.responseText; } if (ENVIRONMENT_IS_WORKER) { readBinary = (url) => { var xhr = new XMLHttpRequest(); xhr.open('GET', url, false); xhr.responseType = 'arraybuffer'; xhr.send(null); return new Uint8Array(/** @type{!ArrayBuffer} */(xhr.response)); }; } readAsync = (url, onload, onerror) => { var xhr = new XMLHttpRequest(); xhr.open('GET', url, true); xhr.responseType = 'arraybuffer'; xhr.onload = () => { if (xhr.status == 200 || (xhr.status == 0 && xhr.response)) { // file URLs can return 0 onload(xhr.response); return; } onerror(); }; xhr.onerror = onerror; xhr.send(null); } // end include: web_or_worker_shell_read.js } setWindowTitle = (title) => document.title = title; } else { throw new Error('environment detection error'); } var out = Module['print'] || console.log.bind(console); var err = Module['printErr'] || console.warn.bind(console); // Merge back in the overrides Object.assign(Module, moduleOverrides); // Free the object hierarchy contained in the overrides, this lets the GC // reclaim data used e.g. in memoryInitializerRequest, which is a large typed array. moduleOverrides = null; checkIncomingModuleAPI(); // Emit code to handle expected values on the Module object. This applies Module.x // to the proper local x. This has two benefits: first, we only emit it if it is // expected to arrive, and second, by using a local everywhere else that can be // minified. if (Module['arguments']) arguments_ = Module['arguments'];legacyModuleProp('arguments', 'arguments_'); if (Module['thisProgram']) thisProgram = Module['thisProgram'];legacyModuleProp('thisProgram', 'thisProgram'); if (Module['quit']) quit_ = Module['quit'];legacyModuleProp('quit', 'quit_'); // perform assertions in shell.js after we set up out() and err(), as otherwise if an assertion fails it cannot print the message // Assertions on removed incoming Module JS APIs. assert(typeof Module['memoryInitializerPrefixURL'] == 'undefined', 'Module.memoryInitializerPrefixURL option was removed, use Module.locateFile instead'); assert(typeof Module['pthreadMainPrefixURL'] == 'undefined', 'Module.pthreadMainPrefixURL option was removed, use Module.locateFile instead'); assert(typeof Module['cdInitializerPrefixURL'] == 'undefined', 'Module.cdInitializerPrefixURL option was removed, use Module.locateFile instead'); assert(typeof Module['filePackagePrefixURL'] == 'undefined', 'Module.filePackagePrefixURL option was removed, use Module.locateFile instead'); assert(typeof Module['read'] == 'undefined', 'Module.read option was removed (modify read_ in JS)'); assert(typeof Module['readAsync'] == 'undefined', 'Module.readAsync option was removed (modify readAsync in JS)'); assert(typeof Module['readBinary'] == 'undefined', 'Module.readBinary option was removed (modify readBinary in JS)'); assert(typeof Module['setWindowTitle'] == 'undefined', 'Module.setWindowTitle option was removed (modify setWindowTitle in JS)'); assert(typeof Module['TOTAL_MEMORY'] == 'undefined', 'Module.TOTAL_MEMORY has been renamed Module.INITIAL_MEMORY'); legacyModuleProp('read', 'read_'); legacyModuleProp('readAsync', 'readAsync'); legacyModuleProp('readBinary', 'readBinary'); legacyModuleProp('setWindowTitle', 'setWindowTitle'); var IDBFS = 'IDBFS is no longer included by default; build with -lidbfs.js'; var PROXYFS = 'PROXYFS is no longer included by default; build with -lproxyfs.js'; var WORKERFS = 'WORKERFS is no longer included by default; build with -lworkerfs.js'; var NODEFS = 'NODEFS is no longer included by default; build with -lnodefs.js'; assert(!ENVIRONMENT_IS_WORKER, "worker environment detected but not enabled at build time. Add 'worker' to `-sENVIRONMENT` to enable."); assert(!ENVIRONMENT_IS_NODE, "node environment detected but not enabled at build time. Add 'node' to `-sENVIRONMENT` to enable."); assert(!ENVIRONMENT_IS_SHELL, "shell environment detected but not enabled at build time. Add 'shell' to `-sENVIRONMENT` to enable."); var STACK_ALIGN = 16; var POINTER_SIZE = 4; function getNativeTypeSize(type) { switch (type) { case 'i1': case 'i8': case 'u8': return 1; case 'i16': case 'u16': return 2; case 'i32': case 'u32': return 4; case 'i64': case 'u64': return 8; case 'float': return 4; case 'double': return 8; default: { if (type[type.length - 1] === '*') { return POINTER_SIZE; } if (type[0] === 'i') { const bits = Number(type.substr(1)); assert(bits % 8 === 0, 'getNativeTypeSize invalid bits ' + bits + ', type ' + type); return bits / 8; } return 0; } } } // include: runtime_debug.js function legacyModuleProp(prop, newName) { if (!Object.getOwnPropertyDescriptor(Module, prop)) { Object.defineProperty(Module, prop, { configurable: true, get: function() { abort('Module.' + prop + ' has been replaced with plain ' + newName + ' (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)'); } }); } } function ignoredModuleProp(prop) { if (Object.getOwnPropertyDescriptor(Module, prop)) { abort('`Module.' + prop + '` was supplied but `' + prop + '` not included in INCOMING_MODULE_JS_API'); } } // forcing the filesystem exports a few things by default function isExportedByForceFilesystem(name) { return name === 'FS_createPath' || name === 'FS_createDataFile' || name === 'FS_createPreloadedFile' || name === 'FS_unlink' || name === 'addRunDependency' || // The old FS has some functionality that WasmFS lacks. name === 'FS_createLazyFile' || name === 'FS_createDevice' || name === 'removeRunDependency'; } function missingLibrarySymbol(sym) { if (typeof globalThis !== 'undefined' && !Object.getOwnPropertyDescriptor(globalThis, sym)) { Object.defineProperty(globalThis, sym, { configurable: true, get: function() { // Can't `abort()` here because it would break code that does runtime // checks. e.g. `if (typeof SDL === 'undefined')`. var msg = '`' + sym + '` is a library symbol and not included by default; add it to your library.js __deps or to DEFAULT_LIBRARY_FUNCS_TO_INCLUDE on the command line'; if (isExportedByForceFilesystem(sym)) { msg += '. Alternatively, forcing filesystem support (-sFORCE_FILESYSTEM) can export this for you'; } warnOnce(msg); return undefined; } }); } } function unexportedRuntimeSymbol(sym) { if (!Object.getOwnPropertyDescriptor(Module, sym)) { Object.defineProperty(Module, sym, { configurable: true, get: function() { var msg = "'" + sym + "' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)"; if (isExportedByForceFilesystem(sym)) { msg += '. Alternatively, forcing filesystem support (-sFORCE_FILESYSTEM) can export this for you'; } abort(msg); } }); } } // end include: runtime_debug.js // === Preamble library stuff === // Documentation for the public APIs defined in this file must be updated in: // site/source/docs/api_reference/preamble.js.rst // A prebuilt local version of the documentation is available at: // site/build/text/docs/api_reference/preamble.js.txt // You can also build docs locally as HTML or other formats in site/ // An online HTML version (which may be of a different version of Emscripten) // is up at http://kripken.github.io/emscripten-site/docs/api_reference/preamble.js.html var wasmBinary; if (Module['wasmBinary']) wasmBinary = Module['wasmBinary'];legacyModuleProp('wasmBinary', 'wasmBinary'); var noExitRuntime = Module['noExitRuntime'] || true;legacyModuleProp('noExitRuntime', 'noExitRuntime'); if (typeof WebAssembly != 'object') { abort('no native wasm support detected'); } // Wasm globals var wasmMemory; //======================================== // Runtime essentials //======================================== // whether we are quitting the application. no code should run after this. // set in exit() and abort() var ABORT = false; // set by exit() and abort(). Passed to 'onExit' handler. // NOTE: This is also used as the process return code code in shell environments // but only when noExitRuntime is false. var EXITSTATUS; /** @type {function(*, string=)} */ function assert(condition, text) { if (!condition) { abort('Assertion failed' + (text ? ': ' + text : '')); } } // We used to include malloc/free by default in the past. Show a helpful error in // builds with assertions. // include: runtime_strings.js // runtime_strings.js: Strings related runtime functions that are part of both MINIMAL_RUNTIME and regular runtime. var UTF8Decoder = typeof TextDecoder != 'undefined' ? new TextDecoder('utf8') : undefined; // Given a pointer 'ptr' to a null-terminated UTF8-encoded string in the given array that contains uint8 values, returns // a copy of that string as a Javascript String object. /** * heapOrArray is either a regular array, or a JavaScript typed array view. * @param {number} idx * @param {number=} maxBytesToRead * @return {string} */ function UTF8ArrayToString(heapOrArray, idx, maxBytesToRead) { var endIdx = idx + maxBytesToRead; var endPtr = idx; // TextDecoder needs to know the byte length in advance, it doesn't stop on null terminator by itself. // Also, use the length info to avoid running tiny strings through TextDecoder, since .subarray() allocates garbage. // (As a tiny code save trick, compare endPtr against endIdx using a negation, so that undefined means Infinity) while (heapOrArray[endPtr] && !(endPtr >= endIdx)) ++endPtr; if (endPtr - idx > 16 && heapOrArray.buffer && UTF8Decoder) { return UTF8Decoder.decode(heapOrArray.subarray(idx, endPtr)); } var str = ''; // If building with TextDecoder, we have already computed the string length above, so test loop end condition against that while (idx < endPtr) { // For UTF8 byte structure, see: // http://en.wikipedia.org/wiki/UTF-8#Description // https://www.ietf.org/rfc/rfc2279.txt // https://tools.ietf.org/html/rfc3629 var u0 = heapOrArray[idx++]; if (!(u0 & 0x80)) { str += String.fromCharCode(u0); continue; } var u1 = heapOrArray[idx++] & 63; if ((u0 & 0xE0) == 0xC0) { str += String.fromCharCode(((u0 & 31) << 6) | u1); continue; } var u2 = heapOrArray[idx++] & 63; if ((u0 & 0xF0) == 0xE0) { u0 = ((u0 & 15) << 12) | (u1 << 6) | u2; } else { if ((u0 & 0xF8) != 0xF0) warnOnce('Invalid UTF-8 leading byte 0x' + u0.toString(16) + ' encountered when deserializing a UTF-8 string in wasm memory to a JS string!'); u0 = ((u0 & 7) << 18) | (u1 << 12) | (u2 << 6) | (heapOrArray[idx++] & 63); } if (u0 < 0x10000) { str += String.fromCharCode(u0); } else { var ch = u0 - 0x10000; str += String.fromCharCode(0xD800 | (ch >> 10), 0xDC00 | (ch & 0x3FF)); } } return str; } // Given a pointer 'ptr' to a null-terminated UTF8-encoded string in the emscripten HEAP, returns a // copy of that string as a Javascript String object. // maxBytesToRead: an optional length that specifies the maximum number of bytes to read. You can omit // this parameter to scan the string until the first \0 byte. If maxBytesToRead is // passed, and the string at [ptr, ptr+maxBytesToReadr[ contains a null byte in the // middle, then the string will cut short at that byte index (i.e. maxBytesToRead will // not produce a string of exact length [ptr, ptr+maxBytesToRead[) // N.B. mixing frequent uses of UTF8ToString() with and without maxBytesToRead may // throw JS JIT optimizations off, so it is worth to consider consistently using one // style or the other. /** * @param {number} ptr * @param {number=} maxBytesToRead * @return {string} */ function UTF8ToString(ptr, maxBytesToRead) { return ptr ? UTF8ArrayToString(HEAPU8, ptr, maxBytesToRead) : ''; } // Copies the given Javascript String object 'str' to the given byte array at address 'outIdx', // encoded in UTF8 form and null-terminated. The copy will require at most str.length*4+1 bytes of space in the HEAP. // Use the function lengthBytesUTF8 to compute the exact number of bytes (excluding null terminator) that this function will write. // Parameters: // str: the Javascript string to copy. // heap: the array to copy to. Each index in this array is assumed to be one 8-byte element. // outIdx: The starting offset in the array to begin the copying. // maxBytesToWrite: The maximum number of bytes this function can write to the array. // This count should include the null terminator, // i.e. if maxBytesToWrite=1, only the null terminator will be written and nothing else. // maxBytesToWrite=0 does not write any bytes to the output, not even the null terminator. // Returns the number of bytes written, EXCLUDING the null terminator. function stringToUTF8Array(str, heap, outIdx, maxBytesToWrite) { if (!(maxBytesToWrite > 0)) // Parameter maxBytesToWrite is not optional. Negative values, 0, null, undefined and false each don't write out any bytes. return 0; var startIdx = outIdx; var endIdx = outIdx + maxBytesToWrite - 1; // -1 for string null terminator. for (var i = 0; i < str.length; ++i) { // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! So decode UTF16->UTF32->UTF8. // See http://unicode.org/faq/utf_bom.html#utf16-3 // For UTF8 byte structure, see http://en.wikipedia.org/wiki/UTF-8#Description and https://www.ietf.org/rfc/rfc2279.txt and https://tools.ietf.org/html/rfc3629 var u = str.charCodeAt(i); // possibly a lead surrogate if (u >= 0xD800 && u <= 0xDFFF) { var u1 = str.charCodeAt(++i); u = 0x10000 + ((u & 0x3FF) << 10) | (u1 & 0x3FF); } if (u <= 0x7F) { if (outIdx >= endIdx) break; heap[outIdx++] = u; } else if (u <= 0x7FF) { if (outIdx + 1 >= endIdx) break; heap[outIdx++] = 0xC0 | (u >> 6); heap[outIdx++] = 0x80 | (u & 63); } else if (u <= 0xFFFF) { if (outIdx + 2 >= endIdx) break; heap[outIdx++] = 0xE0 | (u >> 12); heap[outIdx++] = 0x80 | ((u >> 6) & 63); heap[outIdx++] = 0x80 | (u & 63); } else { if (outIdx + 3 >= endIdx) break; if (u > 0x10FFFF) warnOnce('Invalid Unicode code point 0x' + u.toString(16) + ' encountered when serializing a JS string to a UTF-8 string in wasm memory! (Valid unicode code points should be in range 0-0x10FFFF).'); heap[outIdx++] = 0xF0 | (u >> 18); heap[outIdx++] = 0x80 | ((u >> 12) & 63); heap[outIdx++] = 0x80 | ((u >> 6) & 63); heap[outIdx++] = 0x80 | (u & 63); } } // Null-terminate the pointer to the buffer. heap[outIdx] = 0; return outIdx - startIdx; } // Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr', // null-terminated and encoded in UTF8 form. The copy will require at most str.length*4+1 bytes of space in the HEAP. // Use the function lengthBytesUTF8 to compute the exact number of bytes (excluding null terminator) that this function will write. // Returns the number of bytes written, EXCLUDING the null terminator. function stringToUTF8(str, outPtr, maxBytesToWrite) { assert(typeof maxBytesToWrite == 'number', 'stringToUTF8(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!'); return stringToUTF8Array(str, HEAPU8,outPtr, maxBytesToWrite); } // Returns the number of bytes the given Javascript string takes if encoded as a UTF8 byte array, EXCLUDING the null terminator byte. function lengthBytesUTF8(str) { var len = 0; for (var i = 0; i < str.length; ++i) { // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! So decode UTF16->UTF32->UTF8. // See http://unicode.org/faq/utf_bom.html#utf16-3 var c = str.charCodeAt(i); // possibly a lead surrogate if (c <= 0x7F) { len++; } else if (c <= 0x7FF) { len += 2; } else if (c >= 0xD800 && c <= 0xDFFF) { len += 4; ++i; } else { len += 3; } } return len; } // end include: runtime_strings.js // Memory management var HEAP, /** @type {!ArrayBuffer} */ buffer, /** @type {!Int8Array} */ HEAP8, /** @type {!Uint8Array} */ HEAPU8, /** @type {!Int16Array} */ HEAP16, /** @type {!Uint16Array} */ HEAPU16, /** @type {!Int32Array} */ HEAP32, /** @type {!Uint32Array} */ HEAPU32, /** @type {!Float32Array} */ HEAPF32, /** @type {!Float64Array} */ HEAPF64; function updateGlobalBufferAndViews(buf) { buffer = buf; Module['HEAP8'] = HEAP8 = new Int8Array(buf); Module['HEAP16'] = HEAP16 = new Int16Array(buf); Module['HEAP32'] = HEAP32 = new Int32Array(buf); Module['HEAPU8'] = HEAPU8 = new Uint8Array(buf); Module['HEAPU16'] = HEAPU16 = new Uint16Array(buf); Module['HEAPU32'] = HEAPU32 = new Uint32Array(buf); Module['HEAPF32'] = HEAPF32 = new Float32Array(buf); Module['HEAPF64'] = HEAPF64 = new Float64Array(buf); } var TOTAL_STACK = 5242880; if (Module['TOTAL_STACK']) assert(TOTAL_STACK === Module['TOTAL_STACK'], 'the stack size can no longer be determined at runtime') var INITIAL_MEMORY = Module['INITIAL_MEMORY'] || 1468006400;legacyModuleProp('INITIAL_MEMORY', 'INITIAL_MEMORY'); assert(INITIAL_MEMORY >= TOTAL_STACK, 'INITIAL_MEMORY should be larger than TOTAL_STACK, was ' + INITIAL_MEMORY + '! (TOTAL_STACK=' + TOTAL_STACK + ')'); // check for full engine support (use string 'subarray' to avoid closure compiler confusion) assert(typeof Int32Array != 'undefined' && typeof Float64Array !== 'undefined' && Int32Array.prototype.subarray != undefined && Int32Array.prototype.set != undefined, 'JS engine does not provide full typed array support'); // If memory is defined in wasm, the user can't provide it. assert(!Module['wasmMemory'], 'Use of `wasmMemory` detected. Use -sIMPORTED_MEMORY to define wasmMemory externally'); assert(INITIAL_MEMORY == 1468006400, 'Detected runtime INITIAL_MEMORY setting. Use -sIMPORTED_MEMORY to define wasmMemory dynamically'); // include: runtime_init_table.js // In regular non-RELOCATABLE mode the table is exported // from the wasm module and this will be assigned once // the exports are available. var wasmTable; // end include: runtime_init_table.js // include: runtime_stack_check.js // Initializes the stack cookie. Called at the startup of main and at the startup of each thread in pthreads mode. function writeStackCookie() { var max = _emscripten_stack_get_end(); assert((max & 3) == 0); // The stack grow downwards towards _emscripten_stack_get_end. // We write cookies to the final two words in the stack and detect if they are // ever overwritten. HEAPU32[((max)>>2)] = 0x2135467; HEAPU32[(((max)+(4))>>2)] = 0x89BACDFE; // Also test the global address 0 for integrity. HEAPU32[0] = 0x63736d65; /* 'emsc' */ } function checkStackCookie() { if (ABORT) return; var max = _emscripten_stack_get_end(); var cookie1 = HEAPU32[((max)>>2)]; var cookie2 = HEAPU32[(((max)+(4))>>2)]; if (cookie1 != 0x2135467 || cookie2 != 0x89BACDFE) { abort('Stack overflow! Stack cookie has been overwritten at 0x' + max.toString(16) + ', expected hex dwords 0x89BACDFE and 0x2135467, but received 0x' + cookie2.toString(16) + ' 0x' + cookie1.toString(16)); } // Also test the global address 0 for integrity. if (HEAPU32[0] !== 0x63736d65 /* 'emsc' */) abort('Runtime error: The application has corrupted its heap memory area (address zero)!'); } // end include: runtime_stack_check.js // include: runtime_assertions.js // Endianness check (function() { var h16 = new Int16Array(1); var h8 = new Int8Array(h16.buffer); h16[0] = 0x6373; if (h8[0] !== 0x73 || h8[1] !== 0x63) throw 'Runtime error: expected the system to be little-endian! (Run with -sSUPPORT_BIG_ENDIAN to bypass)'; })(); // end include: runtime_assertions.js var __ATPRERUN__ = []; // functions called before the runtime is initialized var __ATINIT__ = []; // functions called during startup var __ATMAIN__ = []; // functions called when main() is to be run var __ATEXIT__ = []; // functions called during shutdown var __ATPOSTRUN__ = []; // functions called after the main() is called var runtimeInitialized = false; function keepRuntimeAlive() { return noExitRuntime; } function preRun() { if (Module['preRun']) { if (typeof Module['preRun'] == 'function') Module['preRun'] = [Module['preRun']]; while (Module['preRun'].length) { addOnPreRun(Module['preRun'].shift()); } } callRuntimeCallbacks(__ATPRERUN__); } function initRuntime() { assert(!runtimeInitialized); runtimeInitialized = true; checkStackCookie(); if (!Module["noFSInit"] && !FS.init.initialized) FS.init(); FS.ignorePermissions = false; TTY.init(); callRuntimeCallbacks(__ATINIT__); } function preMain() { checkStackCookie(); callRuntimeCallbacks(__ATMAIN__); } function postRun() { checkStackCookie(); if (Module['postRun']) { if (typeof Module['postRun'] == 'function') Module['postRun'] = [Module['postRun']]; while (Module['postRun'].length) { addOnPostRun(Module['postRun'].shift()); } } callRuntimeCallbacks(__ATPOSTRUN__); } function addOnPreRun(cb) { __ATPRERUN__.unshift(cb); } function addOnInit(cb) { __ATINIT__.unshift(cb); } function addOnPreMain(cb) { __ATMAIN__.unshift(cb); } function addOnExit(cb) { } function addOnPostRun(cb) { __ATPOSTRUN__.unshift(cb); } // include: runtime_math.js // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/imul // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/fround // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/clz32 // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/trunc assert(Math.imul, 'This browser does not support Math.imul(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill'); assert(Math.fround, 'This browser does not support Math.fround(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill'); assert(Math.clz32, 'This browser does not support Math.clz32(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill'); assert(Math.trunc, 'This browser does not support Math.trunc(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill'); // end include: runtime_math.js // A counter of dependencies for calling run(). If we need to // do asynchronous work before running, increment this and // decrement it. Incrementing must happen in a place like // Module.preRun (used by emcc to add file preloading). // Note that you can add dependencies in preRun, even though // it happens right before run - run will be postponed until // the dependencies are met. var runDependencies = 0; var runDependencyWatcher = null; var dependenciesFulfilled = null; // overridden to take different actions when all run dependencies are fulfilled var runDependencyTracking = {}; function getUniqueRunDependency(id) { var orig = id; while (1) { if (!runDependencyTracking[id]) return id; id = orig + Math.random(); } } function addRunDependency(id) { runDependencies++; if (Module['monitorRunDependencies']) { Module['monitorRunDependencies'](runDependencies); } if (id) { assert(!runDependencyTracking[id]); runDependencyTracking[id] = 1; if (runDependencyWatcher === null && typeof setInterval != 'undefined') { // Check for missing dependencies every few seconds runDependencyWatcher = setInterval(function() { if (ABORT) { clearInterval(runDependencyWatcher); runDependencyWatcher = null; return; } var shown = false; for (var dep in runDependencyTracking) { if (!shown) { shown = true; err('still waiting on run dependencies:'); } err('dependency: ' + dep); } if (shown) { err('(end of list)'); } }, 10000); } } else { err('warning: run dependency added without ID'); } } function removeRunDependency(id) { runDependencies--; if (Module['monitorRunDependencies']) { Module['monitorRunDependencies'](runDependencies); } if (id) { assert(runDependencyTracking[id]); delete runDependencyTracking[id]; } else { err('warning: run dependency removed without ID'); } if (runDependencies == 0) { if (runDependencyWatcher !== null) { clearInterval(runDependencyWatcher); runDependencyWatcher = null; } if (dependenciesFulfilled) { var callback = dependenciesFulfilled; dependenciesFulfilled = null; callback(); // can add another dependenciesFulfilled } } } /** @param {string|number=} what */ function abort(what) { { if (Module['onAbort']) { Module['onAbort'](what); } } what = 'Aborted(' + what + ')'; // TODO(sbc): Should we remove printing and leave it up to whoever // catches the exception? err(what); ABORT = true; EXITSTATUS = 1; // Use a wasm runtime error, because a JS error might be seen as a foreign // exception, which means we'd run destructors on it. We need the error to // simply make the program stop. // FIXME This approach does not work in Wasm EH because it currently does not assume // all RuntimeErrors are from traps; it decides whether a RuntimeError is from // a trap or not based on a hidden field within the object. So at the moment // we don't have a way of throwing a wasm trap from JS. TODO Make a JS API that // allows this in the wasm spec. // Suppress closure compiler warning here. Closure compiler's builtin extern // defintion for WebAssembly.RuntimeError claims it takes no arguments even // though it can. // TODO(https://github.com/google/closure-compiler/pull/3913): Remove if/when upstream closure gets fixed. /** @suppress {checkTypes} */ var e = new WebAssembly.RuntimeError(what); // Throw the error whether or not MODULARIZE is set because abort is used // in code paths apart from instantiation where an exception is expected // to be thrown when abort is called. throw e; } // {{MEM_INITIALIZER}} // include: memoryprofiler.js // end include: memoryprofiler.js // include: URIUtils.js // Prefix of data URIs emitted by SINGLE_FILE and related options. var dataURIPrefix = 'data:application/octet-stream;base64,'; // Indicates whether filename is a base64 data URI. function isDataURI(filename) { // Prefix of data URIs emitted by SINGLE_FILE and related options. return filename.startsWith(dataURIPrefix); } // Indicates whether filename is delivered via file protocol (as opposed to http/https) function isFileURI(filename) { return filename.startsWith('file://'); } // end include: URIUtils.js /** @param {boolean=} fixedasm */ function createExportWrapper(name, fixedasm) { return function() { var displayName = name; var asm = fixedasm; if (!fixedasm) { asm = Module['asm']; } assert(runtimeInitialized, 'native function `' + displayName + '` called before runtime initialization'); if (!asm[name]) { assert(asm[name], 'exported native function `' + displayName + '` not found'); } return asm[name].apply(null, arguments); }; } var wasmBinaryFile; wasmBinaryFile = 'g3f001.wasm'; if (!isDataURI(wasmBinaryFile)) { wasmBinaryFile = locateFile(wasmBinaryFile); } function getBinary(file) { try { if (file == wasmBinaryFile && wasmBinary) { return new Uint8Array(wasmBinary); } if (readBinary) { return readBinary(file); } throw "both async and sync fetching of the wasm failed"; } catch (err) { abort(err); } } function getBinaryPromise() { // If we don't have the binary yet, try to to load it asynchronously. // Fetch has some additional restrictions over XHR, like it can't be used on a file:// url. // See https://github.com/github/fetch/pull/92#issuecomment-140665932 // Cordova or Electron apps are typically loaded from a file:// url. // So use fetch if it is available and the url is not a file, otherwise fall back to XHR. if (!wasmBinary && (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER)) { if (typeof fetch == 'function' ) { return fetch(wasmBinaryFile, { credentials: 'same-origin' }).then(function(response) { if (!response['ok']) { throw "failed to load wasm binary file at '" + wasmBinaryFile + "'"; } return response['arrayBuffer'](); }).catch(function () { return getBinary(wasmBinaryFile); }); } } // Otherwise, getBinary should be able to get it synchronously return Promise.resolve().then(function() { return getBinary(wasmBinaryFile); }); } // Create the wasm instance. // Receives the wasm imports, returns the exports. function createWasm() { // prepare imports var info = { 'env': asmLibraryArg, 'wasi_snapshot_preview1': asmLibraryArg, }; // Load the wasm module and create an instance of using native support in the JS engine. // handle a generated wasm instance, receiving its exports and // performing other necessary setup /** @param {WebAssembly.Module=} module*/ function receiveInstance(instance, module) { var exports = instance.exports; Module['asm'] = exports; wasmMemory = Module['asm']['memory']; assert(wasmMemory, "memory not found in wasm exports"); // This assertion doesn't hold when emscripten is run in --post-link // mode. // TODO(sbc): Read INITIAL_MEMORY out of the wasm file in post-link mode. //assert(wasmMemory.buffer.byteLength === 1468006400); updateGlobalBufferAndViews(wasmMemory.buffer); wasmTable = Module['asm']['__indirect_function_table']; assert(wasmTable, "table not found in wasm exports"); addOnInit(Module['asm']['__wasm_call_ctors']); removeRunDependency('wasm-instantiate'); } // we can't run yet (except in a pthread, where we have a custom sync instantiator) addRunDependency('wasm-instantiate'); // Prefer streaming instantiation if available. // Async compilation can be confusing when an error on the page overwrites Module // (for example, if the order of elements is wrong, and the one defining Module is // later), so we save Module and check it later. var trueModule = Module; function receiveInstantiationResult(result) { // 'result' is a ResultObject object which has both the module and instance. // receiveInstance() will swap in the exports (to Module.asm) so they can be called assert(Module === trueModule, 'the Module object should not be replaced during async compilation - perhaps the order of HTML elements is wrong?'); trueModule = null; // TODO: Due to Closure regression https://github.com/google/closure-compiler/issues/3193, the above line no longer optimizes out down to the following line. // When the regression is fixed, can restore the above USE_PTHREADS-enabled path. receiveInstance(result['instance']); } function instantiateArrayBuffer(receiver) { return getBinaryPromise().then(function(binary) { return WebAssembly.instantiate(binary, info); }).then(function (instance) { return instance; }).then(receiver, function(reason) { err('failed to asynchronously prepare wasm: ' + reason); // Warn on some common problems. if (isFileURI(wasmBinaryFile)) { err('warning: Loading from a file URI (' + wasmBinaryFile + ') is not supported in most browsers. See https://emscripten.org/docs/getting_started/FAQ.html#how-do-i-run-a-local-webserver-for-testing-why-does-my-program-stall-in-downloading-or-preparing'); } abort(reason); }); } function instantiateAsync() { if (!wasmBinary && typeof WebAssembly.instantiateStreaming == 'function' && !isDataURI(wasmBinaryFile) && typeof fetch == 'function') { return fetch(wasmBinaryFile, { credentials: 'same-origin' }).then(function(response) { // Suppress closure warning here since the upstream definition for // instantiateStreaming only allows Promise rather than // an actual Response. // TODO(https://github.com/google/closure-compiler/pull/3913): Remove if/when upstream closure is fixed. /** @suppress {checkTypes} */ var result = WebAssembly.instantiateStreaming(response, info); return result.then( receiveInstantiationResult, function(reason) { // We expect the most common failure cause to be a bad MIME type for the binary, // in which case falling back to ArrayBuffer instantiation should work. err('wasm streaming compile failed: ' + reason); err('falling back to ArrayBuffer instantiation'); return instantiateArrayBuffer(receiveInstantiationResult); }); }); } else { return instantiateArrayBuffer(receiveInstantiationResult); } } // User shell pages can write their own Module.instantiateWasm = function(imports, successCallback) callback // to manually instantiate the Wasm module themselves. This allows pages to run the instantiation parallel // to any other async startup actions they are performing. // Also pthreads and wasm workers initialize the wasm instance through this path. if (Module['instantiateWasm']) { try { var exports = Module['instantiateWasm'](info, receiveInstance); return exports; } catch(e) { err('Module.instantiateWasm callback failed with error: ' + e); return false; } } instantiateAsync(); return {}; // no exports yet; we'll fill them in later } // Globals used by JS i64 conversions (see makeSetValue) var tempDouble; var tempI64; // === Body === var ASM_CONSTS = { 66456: () => { FS.mkdir('/snd'); FS.mkdir('/shader'); }, 66499: () => { if (typeof(AudioContext) !== 'undefined') { return true; } else if (typeof(webkitAudioContext) !== 'undefined') { return true; } return false; }, 66646: () => { if ((typeof(navigator.mediaDevices) !== 'undefined') && (typeof(navigator.mediaDevices.getUserMedia) !== 'undefined')) { return true; } else if (typeof(navigator.webkitGetUserMedia) !== 'undefined') { return true; } return false; }, 66880: ($0) => { if(typeof(Module['SDL2']) === 'undefined') { Module['SDL2'] = {}; } var SDL2 = Module['SDL2']; if (!$0) { SDL2.audio = {}; } else { SDL2.capture = {}; } if (!SDL2.audioContext) { if (typeof(AudioContext) !== 'undefined') { SDL2.audioContext = new AudioContext(); } else if (typeof(webkitAudioContext) !== 'undefined') { SDL2.audioContext = new webkitAudioContext(); } if (SDL2.audioContext) { autoResumeAudioContext(SDL2.audioContext); } } return SDL2.audioContext === undefined ? -1 : 0; }, 67373: () => { var SDL2 = Module['SDL2']; return SDL2.audioContext.sampleRate; }, 67441: ($0, $1, $2, $3) => { var SDL2 = Module['SDL2']; var have_microphone = function(stream) { if (SDL2.capture.silenceTimer !== undefined) { clearTimeout(SDL2.capture.silenceTimer); SDL2.capture.silenceTimer = undefined; } SDL2.capture.mediaStreamNode = SDL2.audioContext.createMediaStreamSource(stream); SDL2.capture.scriptProcessorNode = SDL2.audioContext.createScriptProcessor($1, $0, 1); SDL2.capture.scriptProcessorNode.onaudioprocess = function(audioProcessingEvent) { if ((SDL2 === undefined) || (SDL2.capture === undefined)) { return; } audioProcessingEvent.outputBuffer.getChannelData(0).fill(0.0); SDL2.capture.currentCaptureBuffer = audioProcessingEvent.inputBuffer; dynCall('vi', $2, [$3]); }; SDL2.capture.mediaStreamNode.connect(SDL2.capture.scriptProcessorNode); SDL2.capture.scriptProcessorNode.connect(SDL2.audioContext.destination); SDL2.capture.stream = stream; }; var no_microphone = function(error) { }; SDL2.capture.silenceBuffer = SDL2.audioContext.createBuffer($0, $1, SDL2.audioContext.sampleRate); SDL2.capture.silenceBuffer.getChannelData(0).fill(0.0); var silence_callback = function() { SDL2.capture.currentCaptureBuffer = SDL2.capture.silenceBuffer; dynCall('vi', $2, [$3]); }; SDL2.capture.silenceTimer = setTimeout(silence_callback, ($1 / SDL2.audioContext.sampleRate) * 1000); if ((navigator.mediaDevices !== undefined) && (navigator.mediaDevices.getUserMedia !== undefined)) { navigator.mediaDevices.getUserMedia({ audio: true, video: false }).then(have_microphone).catch(no_microphone); } else if (navigator.webkitGetUserMedia !== undefined) { navigator.webkitGetUserMedia({ audio: true, video: false }, have_microphone, no_microphone); } }, 69093: ($0, $1, $2, $3) => { var SDL2 = Module['SDL2']; SDL2.audio.scriptProcessorNode = SDL2.audioContext['createScriptProcessor']($1, 0, $0); SDL2.audio.scriptProcessorNode['onaudioprocess'] = function (e) { if ((SDL2 === undefined) || (SDL2.audio === undefined)) { return; } SDL2.audio.currentOutputBuffer = e['outputBuffer']; dynCall('vi', $2, [$3]); }; SDL2.audio.scriptProcessorNode['connect'](SDL2.audioContext['destination']); }, 69503: ($0, $1) => { var SDL2 = Module['SDL2']; var numChannels = SDL2.capture.currentCaptureBuffer.numberOfChannels; for (var c = 0; c < numChannels; ++c) { var channelData = SDL2.capture.currentCaptureBuffer.getChannelData(c); if (channelData.length != $1) { throw 'Web Audio capture buffer length mismatch! Destination size: ' + channelData.length + ' samples vs expected ' + $1 + ' samples!'; } if (numChannels == 1) { for (var j = 0; j < $1; ++j) { setValue($0 + (j * 4), channelData[j], 'float'); } } else { for (var j = 0; j < $1; ++j) { setValue($0 + (((j * numChannels) + c) * 4), channelData[j], 'float'); } } } }, 70108: ($0, $1) => { var SDL2 = Module['SDL2']; var numChannels = SDL2.audio.currentOutputBuffer['numberOfChannels']; for (var c = 0; c < numChannels; ++c) { var channelData = SDL2.audio.currentOutputBuffer['getChannelData'](c); if (channelData.length != $1) { throw 'Web Audio output buffer length mismatch! Destination size: ' + channelData.length + ' samples vs expected ' + $1 + ' samples!'; } for (var j = 0; j < $1; ++j) { channelData[j] = HEAPF32[$0 + ((j*numChannels + c) << 2) >> 2]; } } }, 70588: ($0) => { var SDL2 = Module['SDL2']; if ($0) { if (SDL2.capture.silenceTimer !== undefined) { clearTimeout(SDL2.capture.silenceTimer); } if (SDL2.capture.stream !== undefined) { var tracks = SDL2.capture.stream.getAudioTracks(); for (var i = 0; i < tracks.length; i++) { SDL2.capture.stream.removeTrack(tracks[i]); } SDL2.capture.stream = undefined; } if (SDL2.capture.scriptProcessorNode !== undefined) { SDL2.capture.scriptProcessorNode.onaudioprocess = function(audioProcessingEvent) {}; SDL2.capture.scriptProcessorNode.disconnect(); SDL2.capture.scriptProcessorNode = undefined; } if (SDL2.capture.mediaStreamNode !== undefined) { SDL2.capture.mediaStreamNode.disconnect(); SDL2.capture.mediaStreamNode = undefined; } if (SDL2.capture.silenceBuffer !== undefined) { SDL2.capture.silenceBuffer = undefined } SDL2.capture = undefined; } else { if (SDL2.audio.scriptProcessorNode != undefined) { SDL2.audio.scriptProcessorNode.disconnect(); SDL2.audio.scriptProcessorNode = undefined; } SDL2.audio = undefined; } if ((SDL2.audioContext !== undefined) && (SDL2.audio === undefined) && (SDL2.capture === undefined)) { SDL2.audioContext.close(); SDL2.audioContext = undefined; } }, 71760: ($0, $1, $2) => { var w = $0; var h = $1; var pixels = $2; if (!Module['SDL2']) Module['SDL2'] = {}; var SDL2 = Module['SDL2']; if (SDL2.ctxCanvas !== Module['canvas']) { SDL2.ctx = Module['createContext'](Module['canvas'], false, true); SDL2.ctxCanvas = Module['canvas']; } if (SDL2.w !== w || SDL2.h !== h || SDL2.imageCtx !== SDL2.ctx) { SDL2.image = SDL2.ctx.createImageData(w, h); SDL2.w = w; SDL2.h = h; SDL2.imageCtx = SDL2.ctx; } var data = SDL2.image.data; var src = pixels >> 2; var dst = 0; var num; if (typeof CanvasPixelArray !== 'undefined' && data instanceof CanvasPixelArray) { num = data.length; while (dst < num) { var val = HEAP32[src]; data[dst ] = val & 0xff; data[dst+1] = (val >> 8) & 0xff; data[dst+2] = (val >> 16) & 0xff; data[dst+3] = 0xff; src++; dst += 4; } } else { if (SDL2.data32Data !== data) { SDL2.data32 = new Int32Array(data.buffer); SDL2.data8 = new Uint8Array(data.buffer); SDL2.data32Data = data; } var data32 = SDL2.data32; num = data32.length; data32.set(HEAP32.subarray(src, src + num)); var data8 = SDL2.data8; var i = 3; var j = i + 4*num; if (num % 8 == 0) { while (i < j) { data8[i] = 0xff; i = i + 4 | 0; data8[i] = 0xff; i = i + 4 | 0; data8[i] = 0xff; i = i + 4 | 0; data8[i] = 0xff; i = i + 4 | 0; data8[i] = 0xff; i = i + 4 | 0; data8[i] = 0xff; i = i + 4 | 0; data8[i] = 0xff; i = i + 4 | 0; data8[i] = 0xff; i = i + 4 | 0; } } else { while (i < j) { data8[i] = 0xff; i = i + 4 | 0; } } } SDL2.ctx.putImageData(SDL2.image, 0, 0); }, 73229: ($0, $1, $2, $3, $4) => { var w = $0; var h = $1; var hot_x = $2; var hot_y = $3; var pixels = $4; var canvas = document.createElement("canvas"); canvas.width = w; canvas.height = h; var ctx = canvas.getContext("2d"); var image = ctx.createImageData(w, h); var data = image.data; var src = pixels >> 2; var dst = 0; var num; if (typeof CanvasPixelArray !== 'undefined' && data instanceof CanvasPixelArray) { num = data.length; while (dst < num) { var val = HEAP32[src]; data[dst ] = val & 0xff; data[dst+1] = (val >> 8) & 0xff; data[dst+2] = (val >> 16) & 0xff; data[dst+3] = (val >> 24) & 0xff; src++; dst += 4; } } else { var data32 = new Int32Array(data.buffer); num = data32.length; data32.set(HEAP32.subarray(src, src + num)); } ctx.putImageData(image, 0, 0); var url = hot_x === 0 && hot_y === 0 ? "url(" + canvas.toDataURL() + "), auto" : "url(" + canvas.toDataURL() + ") " + hot_x + " " + hot_y + ", auto"; var urlBuf = _malloc(url.length + 1); stringToUTF8(url, urlBuf, url.length + 1); return urlBuf; }, 74218: ($0) => { if (Module['canvas']) { Module['canvas'].style['cursor'] = UTF8ToString($0); } }, 74301: () => { if (Module['canvas']) { Module['canvas'].style['cursor'] = 'none'; } }, 74370: () => { return window.innerWidth; }, 74400: () => { return window.innerHeight; } }; /** @constructor */ function ExitStatus(status) { this.name = 'ExitStatus'; this.message = 'Program terminated with exit(' + status + ')'; this.status = status; } function listenOnce(object, event, func) { object.addEventListener(event, func, { 'once': true }); } /** @param {Object=} elements */ function autoResumeAudioContext(ctx, elements) { if (!elements) { elements = [document, document.getElementById('canvas')]; } ['keydown', 'mousedown', 'touchstart'].forEach(function(event) { elements.forEach(function(element) { if (element) { listenOnce(element, event, () => { if (ctx.state === 'suspended') ctx.resume(); }); } }); }); } function callRuntimeCallbacks(callbacks) { while (callbacks.length > 0) { // Pass the module as the first argument. callbacks.shift()(Module); } } function withStackSave(f) { var stack = stackSave(); var ret = f(); stackRestore(stack); return ret; } function demangle(func) { warnOnce('warning: build with -sDEMANGLE_SUPPORT to link in libcxxabi demangling'); return func; } function demangleAll(text) { var regex = /\b_Z[\w\d_]+/g; return text.replace(regex, function(x) { var y = demangle(x); return x === y ? x : (y + ' [' + x + ']'); }); } function dynCallLegacy(sig, ptr, args) { assert(('dynCall_' + sig) in Module, 'bad function pointer type - no table for sig \'' + sig + '\''); if (args && args.length) { // j (64-bit integer) must be passed in as two numbers [low 32, high 32]. assert(args.length === sig.substring(1).replace(/j/g, '--').length); } else { assert(sig.length == 1); } var f = Module['dynCall_' + sig]; return args && args.length ? f.apply(null, [ptr].concat(args)) : f.call(null, ptr); } var wasmTableMirror = []; function getWasmTableEntry(funcPtr) { var func = wasmTableMirror[funcPtr]; if (!func) { if (funcPtr >= wasmTableMirror.length) wasmTableMirror.length = funcPtr + 1; wasmTableMirror[funcPtr] = func = wasmTable.get(funcPtr); } assert(wasmTable.get(funcPtr) == func, "JavaScript-side Wasm function table mirror is out of date!"); return func; } /** @param {Object=} args */ function dynCall(sig, ptr, args) { // Without WASM_BIGINT support we cannot directly call function with i64 as // part of thier signature, so we rely the dynCall functions generated by // wasm-emscripten-finalize if (sig.includes('j')) { return dynCallLegacy(sig, ptr, args); } assert(getWasmTableEntry(ptr), 'missing table entry in dynCall: ' + ptr); var rtn = getWasmTableEntry(ptr).apply(null, args); return rtn; } /** * @param {number} ptr * @param {string} type */ function getValue(ptr, type = 'i8') { if (type.endsWith('*')) type = '*'; switch (type) { case 'i1': return HEAP8[((ptr)>>0)]; case 'i8': return HEAP8[((ptr)>>0)]; case 'i16': return HEAP16[((ptr)>>1)]; case 'i32': return HEAP32[((ptr)>>2)]; case 'i64': return HEAP32[((ptr)>>2)]; case 'float': return HEAPF32[((ptr)>>2)]; case 'double': return HEAPF64[((ptr)>>3)]; case '*': return HEAPU32[((ptr)>>2)]; default: abort('invalid type for getValue: ' + type); } return null; } function handleException(e) { // Certain exception types we do not treat as errors since they are used for // internal control flow. // 1. ExitStatus, which is thrown by exit() // 2. "unwind", which is thrown by emscripten_unwind_to_js_event_loop() and others // that wish to return to JS event loop. if (e instanceof ExitStatus || e == 'unwind') { return EXITSTATUS; } quit_(1, e); } function jsStackTrace() { var error = new Error(); if (!error.stack) { // IE10+ special cases: It does have callstack info, but it is only // populated if an Error object is thrown, so try that as a special-case. try { throw new Error(); } catch(e) { error = e; } if (!error.stack) { return '(no stack trace available)'; } } return error.stack.toString(); } /** * @param {number} ptr * @param {number} value * @param {string} type */ function setValue(ptr, value, type = 'i8') { if (type.endsWith('*')) type = '*'; switch (type) { case 'i1': HEAP8[((ptr)>>0)] = value; break; case 'i8': HEAP8[((ptr)>>0)] = value; break; case 'i16': HEAP16[((ptr)>>1)] = value; break; case 'i32': HEAP32[((ptr)>>2)] = value; break; case 'i64': (tempI64 = [value>>>0,(tempDouble=value,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? ((Math.min((+(Math.floor((tempDouble)/4294967296.0))), 4294967295.0))|0)>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)],HEAP32[((ptr)>>2)] = tempI64[0],HEAP32[(((ptr)+(4))>>2)] = tempI64[1]); break; case 'float': HEAPF32[((ptr)>>2)] = value; break; case 'double': HEAPF64[((ptr)>>3)] = value; break; case '*': HEAPU32[((ptr)>>2)] = value; break; default: abort('invalid type for setValue: ' + type); } } function stackTrace() { var js = jsStackTrace(); if (Module['extraStackTrace']) js += '\n' + Module['extraStackTrace'](); return demangleAll(js); } function warnOnce(text) { if (!warnOnce.shown) warnOnce.shown = {}; if (!warnOnce.shown[text]) { warnOnce.shown[text] = 1; err(text); } } function writeArrayToMemory(array, buffer) { assert(array.length >= 0, 'writeArrayToMemory array must have a length (should be an array or typed array)') HEAP8.set(array, buffer); } function setErrNo(value) { HEAP32[((___errno_location())>>2)] = value; return value; } var PATH = {isAbs:(path) => path.charAt(0) === '/',splitPath:(filename) => { var splitPathRe = /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/; return splitPathRe.exec(filename).slice(1); },normalizeArray:(parts, allowAboveRoot) => { // if the path tries to go above the root, `up` ends up > 0 var up = 0; for (var i = parts.length - 1; i >= 0; i--) { var last = parts[i]; if (last === '.') { parts.splice(i, 1); } else if (last === '..') { parts.splice(i, 1); up++; } else if (up) { parts.splice(i, 1); up--; } } // if the path is allowed to go above the root, restore leading ..s if (allowAboveRoot) { for (; up; up--) { parts.unshift('..'); } } return parts; },normalize:(path) => { var isAbsolute = PATH.isAbs(path), trailingSlash = path.substr(-1) === '/'; // Normalize the path path = PATH.normalizeArray(path.split('/').filter((p) => !!p), !isAbsolute).join('/'); if (!path && !isAbsolute) { path = '.'; } if (path && trailingSlash) { path += '/'; } return (isAbsolute ? '/' : '') + path; },dirname:(path) => { var result = PATH.splitPath(path), root = result[0], dir = result[1]; if (!root && !dir) { // No dirname whatsoever return '.'; } if (dir) { // It has a dirname, strip trailing slash dir = dir.substr(0, dir.length - 1); } return root + dir; },basename:(path) => { // EMSCRIPTEN return '/'' for '/', not an empty string if (path === '/') return '/'; path = PATH.normalize(path); path = path.replace(/\/$/, ""); var lastSlash = path.lastIndexOf('/'); if (lastSlash === -1) return path; return path.substr(lastSlash+1); },join:function() { var paths = Array.prototype.slice.call(arguments); return PATH.normalize(paths.join('/')); },join2:(l, r) => { return PATH.normalize(l + '/' + r); }}; function getRandomDevice() { if (typeof crypto == 'object' && typeof crypto['getRandomValues'] == 'function') { // for modern web browsers var randomBuffer = new Uint8Array(1); return () => { crypto.getRandomValues(randomBuffer); return randomBuffer[0]; }; } else // we couldn't find a proper implementation, as Math.random() is not suitable for /dev/random, see emscripten-core/emscripten/pull/7096 return () => abort("no cryptographic support found for randomDevice. consider polyfilling it if you want to use something insecure like Math.random(), e.g. put this in a --pre-js: var crypto = { getRandomValues: function(array) { for (var i = 0; i < array.length; i++) array[i] = (Math.random()*256)|0 } };"); } var PATH_FS = {resolve:function() { var resolvedPath = '', resolvedAbsolute = false; for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) { var path = (i >= 0) ? arguments[i] : FS.cwd(); // Skip empty and invalid entries if (typeof path != 'string') { throw new TypeError('Arguments to path.resolve must be strings'); } else if (!path) { return ''; // an invalid portion invalidates the whole thing } resolvedPath = path + '/' + resolvedPath; resolvedAbsolute = PATH.isAbs(path); } // At this point the path should be resolved to a full absolute path, but // handle relative paths to be safe (might happen when process.cwd() fails) resolvedPath = PATH.normalizeArray(resolvedPath.split('/').filter((p) => !!p), !resolvedAbsolute).join('/'); return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.'; },relative:(from, to) => { from = PATH_FS.resolve(from).substr(1); to = PATH_FS.resolve(to).substr(1); function trim(arr) { var start = 0; for (; start < arr.length; start++) { if (arr[start] !== '') break; } var end = arr.length - 1; for (; end >= 0; end--) { if (arr[end] !== '') break; } if (start > end) return []; return arr.slice(start, end - start + 1); } var fromParts = trim(from.split('/')); var toParts = trim(to.split('/')); var length = Math.min(fromParts.length, toParts.length); var samePartsLength = length; for (var i = 0; i < length; i++) { if (fromParts[i] !== toParts[i]) { samePartsLength = i; break; } } var outputParts = []; for (var i = samePartsLength; i < fromParts.length; i++) { outputParts.push('..'); } outputParts = outputParts.concat(toParts.slice(samePartsLength)); return outputParts.join('/'); }}; /** @type {function(string, boolean=, number=)} */ function intArrayFromString(stringy, dontAddNull, length) { var len = length > 0 ? length : lengthBytesUTF8(stringy)+1; var u8array = new Array(len); var numBytesWritten = stringToUTF8Array(stringy, u8array, 0, u8array.length); if (dontAddNull) u8array.length = numBytesWritten; return u8array; } var TTY = {ttys:[],init:function () { // https://github.com/emscripten-core/emscripten/pull/1555 // if (ENVIRONMENT_IS_NODE) { // // currently, FS.init does not distinguish if process.stdin is a file or TTY // // device, it always assumes it's a TTY device. because of this, we're forcing // // process.stdin to UTF8 encoding to at least make stdin reading compatible // // with text files until FS.init can be refactored. // process['stdin']['setEncoding']('utf8'); // } },shutdown:function() { // https://github.com/emscripten-core/emscripten/pull/1555 // if (ENVIRONMENT_IS_NODE) { // // inolen: any idea as to why node -e 'process.stdin.read()' wouldn't exit immediately (with process.stdin being a tty)? // // isaacs: because now it's reading from the stream, you've expressed interest in it, so that read() kicks off a _read() which creates a ReadReq operation // // inolen: I thought read() in that case was a synchronous operation that just grabbed some amount of buffered data if it exists? // // isaacs: it is. but it also triggers a _read() call, which calls readStart() on the handle // // isaacs: do process.stdin.pause() and i'd think it'd probably close the pending call // process['stdin']['pause'](); // } },register:function(dev, ops) { TTY.ttys[dev] = { input: [], output: [], ops: ops }; FS.registerDevice(dev, TTY.stream_ops); },stream_ops:{open:function(stream) { var tty = TTY.ttys[stream.node.rdev]; if (!tty) { throw new FS.ErrnoError(43); } stream.tty = tty; stream.seekable = false; },close:function(stream) { // flush any pending line data stream.tty.ops.fsync(stream.tty); },fsync:function(stream) { stream.tty.ops.fsync(stream.tty); },read:function(stream, buffer, offset, length, pos /* ignored */) { if (!stream.tty || !stream.tty.ops.get_char) { throw new FS.ErrnoError(60); } var bytesRead = 0; for (var i = 0; i < length; i++) { var result; try { result = stream.tty.ops.get_char(stream.tty); } catch (e) { throw new FS.ErrnoError(29); } if (result === undefined && bytesRead === 0) { throw new FS.ErrnoError(6); } if (result === null || result === undefined) break; bytesRead++; buffer[offset+i] = result; } if (bytesRead) { stream.node.timestamp = Date.now(); } return bytesRead; },write:function(stream, buffer, offset, length, pos) { if (!stream.tty || !stream.tty.ops.put_char) { throw new FS.ErrnoError(60); } try { for (var i = 0; i < length; i++) { stream.tty.ops.put_char(stream.tty, buffer[offset+i]); } } catch (e) { throw new FS.ErrnoError(29); } if (length) { stream.node.timestamp = Date.now(); } return i; }},default_tty_ops:{get_char:function(tty) { if (!tty.input.length) { var result = null; if (typeof window != 'undefined' && typeof window.prompt == 'function') { // Browser. result = window.prompt('Input: '); // returns null on cancel if (result !== null) { result += '\n'; } } else if (typeof readline == 'function') { // Command line. result = readline(); if (result !== null) { result += '\n'; } } if (!result) { return null; } tty.input = intArrayFromString(result, true); } return tty.input.shift(); },put_char:function(tty, val) { if (val === null || val === 10) { out(UTF8ArrayToString(tty.output, 0)); tty.output = []; } else { if (val != 0) tty.output.push(val); // val == 0 would cut text output off in the middle. } },fsync:function(tty) { if (tty.output && tty.output.length > 0) { out(UTF8ArrayToString(tty.output, 0)); tty.output = []; } }},default_tty1_ops:{put_char:function(tty, val) { if (val === null || val === 10) { err(UTF8ArrayToString(tty.output, 0)); tty.output = []; } else { if (val != 0) tty.output.push(val); } },fsync:function(tty) { if (tty.output && tty.output.length > 0) { err(UTF8ArrayToString(tty.output, 0)); tty.output = []; } }}}; function zeroMemory(address, size) { HEAPU8.fill(0, address, address + size); return address; } function alignMemory(size, alignment) { assert(alignment, "alignment argument is required"); return Math.ceil(size / alignment) * alignment; } function mmapAlloc(size) { abort('internal error: mmapAlloc called but `emscripten_builtin_memalign` native symbol not exported'); } var MEMFS = {ops_table:null,mount:function(mount) { return MEMFS.createNode(null, '/', 16384 | 511 /* 0777 */, 0); },createNode:function(parent, name, mode, dev) { if (FS.isBlkdev(mode) || FS.isFIFO(mode)) { // no supported throw new FS.ErrnoError(63); } if (!MEMFS.ops_table) { MEMFS.ops_table = { dir: { node: { getattr: MEMFS.node_ops.getattr, setattr: MEMFS.node_ops.setattr, lookup: MEMFS.node_ops.lookup, mknod: MEMFS.node_ops.mknod, rename: MEMFS.node_ops.rename, unlink: MEMFS.node_ops.unlink, rmdir: MEMFS.node_ops.rmdir, readdir: MEMFS.node_ops.readdir, symlink: MEMFS.node_ops.symlink }, stream: { llseek: MEMFS.stream_ops.llseek } }, file: { node: { getattr: MEMFS.node_ops.getattr, setattr: MEMFS.node_ops.setattr }, stream: { llseek: MEMFS.stream_ops.llseek, read: MEMFS.stream_ops.read, write: MEMFS.stream_ops.write, allocate: MEMFS.stream_ops.allocate, mmap: MEMFS.stream_ops.mmap, msync: MEMFS.stream_ops.msync } }, link: { node: { getattr: MEMFS.node_ops.getattr, setattr: MEMFS.node_ops.setattr, readlink: MEMFS.node_ops.readlink }, stream: {} }, chrdev: { node: { getattr: MEMFS.node_ops.getattr, setattr: MEMFS.node_ops.setattr }, stream: FS.chrdev_stream_ops } }; } var node = FS.createNode(parent, name, mode, dev); if (FS.isDir(node.mode)) { node.node_ops = MEMFS.ops_table.dir.node; node.stream_ops = MEMFS.ops_table.dir.stream; node.contents = {}; } else if (FS.isFile(node.mode)) { node.node_ops = MEMFS.ops_table.file.node; node.stream_ops = MEMFS.ops_table.file.stream; node.usedBytes = 0; // The actual number of bytes used in the typed array, as opposed to contents.length which gives the whole capacity. // When the byte data of the file is populated, this will point to either a typed array, or a normal JS array. Typed arrays are preferred // for performance, and used by default. However, typed arrays are not resizable like normal JS arrays are, so there is a small disk size // penalty involved for appending file writes that continuously grow a file similar to std::vector capacity vs used -scheme. node.contents = null; } else if (FS.isLink(node.mode)) { node.node_ops = MEMFS.ops_table.link.node; node.stream_ops = MEMFS.ops_table.link.stream; } else if (FS.isChrdev(node.mode)) { node.node_ops = MEMFS.ops_table.chrdev.node; node.stream_ops = MEMFS.ops_table.chrdev.stream; } node.timestamp = Date.now(); // add the new node to the parent if (parent) { parent.contents[name] = node; parent.timestamp = node.timestamp; } return node; },getFileDataAsTypedArray:function(node) { if (!node.contents) return new Uint8Array(0); if (node.contents.subarray) return node.contents.subarray(0, node.usedBytes); // Make sure to not return excess unused bytes. return new Uint8Array(node.contents); },expandFileStorage:function(node, newCapacity) { var prevCapacity = node.contents ? node.contents.length : 0; if (prevCapacity >= newCapacity) return; // No need to expand, the storage was already large enough. // Don't expand strictly to the given requested limit if it's only a very small increase, but instead geometrically grow capacity. // For small filesizes (<1MB), perform size*2 geometric increase, but for large sizes, do a much more conservative size*1.125 increase to // avoid overshooting the allocation cap by a very large margin. var CAPACITY_DOUBLING_MAX = 1024 * 1024; newCapacity = Math.max(newCapacity, (prevCapacity * (prevCapacity < CAPACITY_DOUBLING_MAX ? 2.0 : 1.125)) >>> 0); if (prevCapacity != 0) newCapacity = Math.max(newCapacity, 256); // At minimum allocate 256b for each file when expanding. var oldContents = node.contents; node.contents = new Uint8Array(newCapacity); // Allocate new storage. if (node.usedBytes > 0) node.contents.set(oldContents.subarray(0, node.usedBytes), 0); // Copy old data over to the new storage. },resizeFileStorage:function(node, newSize) { if (node.usedBytes == newSize) return; if (newSize == 0) { node.contents = null; // Fully decommit when requesting a resize to zero. node.usedBytes = 0; } else { var oldContents = node.contents; node.contents = new Uint8Array(newSize); // Allocate new storage. if (oldContents) { node.contents.set(oldContents.subarray(0, Math.min(newSize, node.usedBytes))); // Copy old data over to the new storage. } node.usedBytes = newSize; } },node_ops:{getattr:function(node) { var attr = {}; // device numbers reuse inode numbers. attr.dev = FS.isChrdev(node.mode) ? node.id : 1; attr.ino = node.id; attr.mode = node.mode; attr.nlink = 1; attr.uid = 0; attr.gid = 0; attr.rdev = node.rdev; if (FS.isDir(node.mode)) { attr.size = 4096; } else if (FS.isFile(node.mode)) { attr.size = node.usedBytes; } else if (FS.isLink(node.mode)) { attr.size = node.link.length; } else { attr.size = 0; } attr.atime = new Date(node.timestamp); attr.mtime = new Date(node.timestamp); attr.ctime = new Date(node.timestamp); // NOTE: In our implementation, st_blocks = Math.ceil(st_size/st_blksize), // but this is not required by the standard. attr.blksize = 4096; attr.blocks = Math.ceil(attr.size / attr.blksize); return attr; },setattr:function(node, attr) { if (attr.mode !== undefined) { node.mode = attr.mode; } if (attr.timestamp !== undefined) { node.timestamp = attr.timestamp; } if (attr.size !== undefined) { MEMFS.resizeFileStorage(node, attr.size); } },lookup:function(parent, name) { throw FS.genericErrors[44]; },mknod:function(parent, name, mode, dev) { return MEMFS.createNode(parent, name, mode, dev); },rename:function(old_node, new_dir, new_name) { // if we're overwriting a directory at new_name, make sure it's empty. if (FS.isDir(old_node.mode)) { var new_node; try { new_node = FS.lookupNode(new_dir, new_name); } catch (e) { } if (new_node) { for (var i in new_node.contents) { throw new FS.ErrnoError(55); } } } // do the internal rewiring delete old_node.parent.contents[old_node.name]; old_node.parent.timestamp = Date.now() old_node.name = new_name; new_dir.contents[new_name] = old_node; new_dir.timestamp = old_node.parent.timestamp; old_node.parent = new_dir; },unlink:function(parent, name) { delete parent.contents[name]; parent.timestamp = Date.now(); },rmdir:function(parent, name) { var node = FS.lookupNode(parent, name); for (var i in node.contents) { throw new FS.ErrnoError(55); } delete parent.contents[name]; parent.timestamp = Date.now(); },readdir:function(node) { var entries = ['.', '..']; for (var key in node.contents) { if (!node.contents.hasOwnProperty(key)) { continue; } entries.push(key); } return entries; },symlink:function(parent, newname, oldpath) { var node = MEMFS.createNode(parent, newname, 511 /* 0777 */ | 40960, 0); node.link = oldpath; return node; },readlink:function(node) { if (!FS.isLink(node.mode)) { throw new FS.ErrnoError(28); } return node.link; }},stream_ops:{read:function(stream, buffer, offset, length, position) { var contents = stream.node.contents; if (position >= stream.node.usedBytes) return 0; var size = Math.min(stream.node.usedBytes - position, length); assert(size >= 0); if (size > 8 && contents.subarray) { // non-trivial, and typed array buffer.set(contents.subarray(position, position + size), offset); } else { for (var i = 0; i < size; i++) buffer[offset + i] = contents[position + i]; } return size; },write:function(stream, buffer, offset, length, position, canOwn) { // The data buffer should be a typed array view assert(!(buffer instanceof ArrayBuffer)); if (!length) return 0; var node = stream.node; node.timestamp = Date.now(); if (buffer.subarray && (!node.contents || node.contents.subarray)) { // This write is from a typed array to a typed array? if (canOwn) { assert(position === 0, 'canOwn must imply no weird position inside the file'); node.contents = buffer.subarray(offset, offset + length); node.usedBytes = length; return length; } else if (node.usedBytes === 0 && position === 0) { // If this is a simple first write to an empty file, do a fast set since we don't need to care about old data. node.contents = buffer.slice(offset, offset + length); node.usedBytes = length; return length; } else if (position + length <= node.usedBytes) { // Writing to an already allocated and used subrange of the file? node.contents.set(buffer.subarray(offset, offset + length), position); return length; } } // Appending to an existing file and we need to reallocate, or source data did not come as a typed array. MEMFS.expandFileStorage(node, position+length); if (node.contents.subarray && buffer.subarray) { // Use typed array write which is available. node.contents.set(buffer.subarray(offset, offset + length), position); } else { for (var i = 0; i < length; i++) { node.contents[position + i] = buffer[offset + i]; // Or fall back to manual write if not. } } node.usedBytes = Math.max(node.usedBytes, position + length); return length; },llseek:function(stream, offset, whence) { var position = offset; if (whence === 1) { position += stream.position; } else if (whence === 2) { if (FS.isFile(stream.node.mode)) { position += stream.node.usedBytes; } } if (position < 0) { throw new FS.ErrnoError(28); } return position; },allocate:function(stream, offset, length) { MEMFS.expandFileStorage(stream.node, offset + length); stream.node.usedBytes = Math.max(stream.node.usedBytes, offset + length); },mmap:function(stream, length, position, prot, flags) { if (!FS.isFile(stream.node.mode)) { throw new FS.ErrnoError(43); } var ptr; var allocated; var contents = stream.node.contents; // Only make a new copy when MAP_PRIVATE is specified. if (!(flags & 2) && contents.buffer === buffer) { // We can't emulate MAP_SHARED when the file is not backed by the buffer // we're mapping to (e.g. the HEAP buffer). allocated = false; ptr = contents.byteOffset; } else { // Try to avoid unnecessary slices. if (position > 0 || position + length < contents.length) { if (contents.subarray) { contents = contents.subarray(position, position + length); } else { contents = Array.prototype.slice.call(contents, position, position + length); } } allocated = true; ptr = mmapAlloc(length); if (!ptr) { throw new FS.ErrnoError(48); } HEAP8.set(contents, ptr); } return { ptr: ptr, allocated: allocated }; },msync:function(stream, buffer, offset, length, mmapFlags) { if (!FS.isFile(stream.node.mode)) { throw new FS.ErrnoError(43); } if (mmapFlags & 2) { // MAP_PRIVATE calls need not to be synced back to underlying fs return 0; } var bytesWritten = MEMFS.stream_ops.write(stream, buffer, 0, length, offset, false); // should we check if bytesWritten and length are the same? return 0; }}}; /** @param {boolean=} noRunDep */ function asyncLoad(url, onload, onerror, noRunDep) { var dep = !noRunDep ? getUniqueRunDependency('al ' + url) : ''; readAsync(url, (arrayBuffer) => { assert(arrayBuffer, 'Loading data file "' + url + '" failed (no arrayBuffer).'); onload(new Uint8Array(arrayBuffer)); if (dep) removeRunDependency(dep); }, (event) => { if (onerror) { onerror(); } else { throw 'Loading data file "' + url + '" failed.'; } }); if (dep) addRunDependency(dep); } var ERRNO_MESSAGES = {0:"Success",1:"Arg list too long",2:"Permission denied",3:"Address already in use",4:"Address not available",5:"Address family not supported by protocol family",6:"No more processes",7:"Socket already connected",8:"Bad file number",9:"Trying to read unreadable message",10:"Mount device busy",11:"Operation canceled",12:"No children",13:"Connection aborted",14:"Connection refused",15:"Connection reset by peer",16:"File locking deadlock error",17:"Destination address required",18:"Math arg out of domain of func",19:"Quota exceeded",20:"File exists",21:"Bad address",22:"File too large",23:"Host is unreachable",24:"Identifier removed",25:"Illegal byte sequence",26:"Connection already in progress",27:"Interrupted system call",28:"Invalid argument",29:"I/O error",30:"Socket is already connected",31:"Is a directory",32:"Too many symbolic links",33:"Too many open files",34:"Too many links",35:"Message too long",36:"Multihop attempted",37:"File or path name too long",38:"Network interface is not configured",39:"Connection reset by network",40:"Network is unreachable",41:"Too many open files in system",42:"No buffer space available",43:"No such device",44:"No such file or directory",45:"Exec format error",46:"No record locks available",47:"The link has been severed",48:"Not enough core",49:"No message of desired type",50:"Protocol not available",51:"No space left on device",52:"Function not implemented",53:"Socket is not connected",54:"Not a directory",55:"Directory not empty",56:"State not recoverable",57:"Socket operation on non-socket",59:"Not a typewriter",60:"No such device or address",61:"Value too large for defined data type",62:"Previous owner died",63:"Not super-user",64:"Broken pipe",65:"Protocol error",66:"Unknown protocol",67:"Protocol wrong type for socket",68:"Math result not representable",69:"Read only file system",70:"Illegal seek",71:"No such process",72:"Stale file handle",73:"Connection timed out",74:"Text file busy",75:"Cross-device link",100:"Device not a stream",101:"Bad font file fmt",102:"Invalid slot",103:"Invalid request code",104:"No anode",105:"Block device required",106:"Channel number out of range",107:"Level 3 halted",108:"Level 3 reset",109:"Link number out of range",110:"Protocol driver not attached",111:"No CSI structure available",112:"Level 2 halted",113:"Invalid exchange",114:"Invalid request descriptor",115:"Exchange full",116:"No data (for no delay io)",117:"Timer expired",118:"Out of streams resources",119:"Machine is not on the network",120:"Package not installed",121:"The object is remote",122:"Advertise error",123:"Srmount error",124:"Communication error on send",125:"Cross mount point (not really error)",126:"Given log. name not unique",127:"f.d. invalid for this operation",128:"Remote address changed",129:"Can access a needed shared lib",130:"Accessing a corrupted shared lib",131:".lib section in a.out corrupted",132:"Attempting to link in too many libs",133:"Attempting to exec a shared library",135:"Streams pipe error",136:"Too many users",137:"Socket type not supported",138:"Not supported",139:"Protocol family not supported",140:"Can't send after socket shutdown",141:"Too many references",142:"Host is down",148:"No medium (in tape drive)",156:"Level 2 not synchronized"}; var ERRNO_CODES = {}; var FS = {root:null,mounts:[],devices:{},streams:[],nextInode:1,nameTable:null,currentPath:"/",initialized:false,ignorePermissions:true,ErrnoError:null,genericErrors:{},filesystems:null,syncFSRequests:0,lookupPath:(path, opts = {}) => { path = PATH_FS.resolve(FS.cwd(), path); if (!path) return { path: '', node: null }; var defaults = { follow_mount: true, recurse_count: 0 }; opts = Object.assign(defaults, opts) if (opts.recurse_count > 8) { // max recursive lookup of 8 throw new FS.ErrnoError(32); } // split the path var parts = PATH.normalizeArray(path.split('/').filter((p) => !!p), false); // start at the root var current = FS.root; var current_path = '/'; for (var i = 0; i < parts.length; i++) { var islast = (i === parts.length-1); if (islast && opts.parent) { // stop resolving break; } current = FS.lookupNode(current, parts[i]); current_path = PATH.join2(current_path, parts[i]); // jump to the mount's root node if this is a mountpoint if (FS.isMountpoint(current)) { if (!islast || (islast && opts.follow_mount)) { current = current.mounted.root; } } // by default, lookupPath will not follow a symlink if it is the final path component. // setting opts.follow = true will override this behavior. if (!islast || opts.follow) { var count = 0; while (FS.isLink(current.mode)) { var link = FS.readlink(current_path); current_path = PATH_FS.resolve(PATH.dirname(current_path), link); var lookup = FS.lookupPath(current_path, { recurse_count: opts.recurse_count + 1 }); current = lookup.node; if (count++ > 40) { // limit max consecutive symlinks to 40 (SYMLOOP_MAX). throw new FS.ErrnoError(32); } } } } return { path: current_path, node: current }; },getPath:(node) => { var path; while (true) { if (FS.isRoot(node)) { var mount = node.mount.mountpoint; if (!path) return mount; return mount[mount.length-1] !== '/' ? mount + '/' + path : mount + path; } path = path ? node.name + '/' + path : node.name; node = node.parent; } },hashName:(parentid, name) => { var hash = 0; for (var i = 0; i < name.length; i++) { hash = ((hash << 5) - hash + name.charCodeAt(i)) | 0; } return ((parentid + hash) >>> 0) % FS.nameTable.length; },hashAddNode:(node) => { var hash = FS.hashName(node.parent.id, node.name); node.name_next = FS.nameTable[hash]; FS.nameTable[hash] = node; },hashRemoveNode:(node) => { var hash = FS.hashName(node.parent.id, node.name); if (FS.nameTable[hash] === node) { FS.nameTable[hash] = node.name_next; } else { var current = FS.nameTable[hash]; while (current) { if (current.name_next === node) { current.name_next = node.name_next; break; } current = current.name_next; } } },lookupNode:(parent, name) => { var errCode = FS.mayLookup(parent); if (errCode) { throw new FS.ErrnoError(errCode, parent); } var hash = FS.hashName(parent.id, name); for (var node = FS.nameTable[hash]; node; node = node.name_next) { var nodeName = node.name; if (node.parent.id === parent.id && nodeName === name) { return node; } } // if we failed to find it in the cache, call into the VFS return FS.lookup(parent, name); },createNode:(parent, name, mode, rdev) => { assert(typeof parent == 'object') var node = new FS.FSNode(parent, name, mode, rdev); FS.hashAddNode(node); return node; },destroyNode:(node) => { FS.hashRemoveNode(node); },isRoot:(node) => { return node === node.parent; },isMountpoint:(node) => { return !!node.mounted; },isFile:(mode) => { return (mode & 61440) === 32768; },isDir:(mode) => { return (mode & 61440) === 16384; },isLink:(mode) => { return (mode & 61440) === 40960; },isChrdev:(mode) => { return (mode & 61440) === 8192; },isBlkdev:(mode) => { return (mode & 61440) === 24576; },isFIFO:(mode) => { return (mode & 61440) === 4096; },isSocket:(mode) => { return (mode & 49152) === 49152; },flagModes:{"r":0,"r+":2,"w":577,"w+":578,"a":1089,"a+":1090},modeStringToFlags:(str) => { var flags = FS.flagModes[str]; if (typeof flags == 'undefined') { throw new Error('Unknown file open mode: ' + str); } return flags; },flagsToPermissionString:(flag) => { var perms = ['r', 'w', 'rw'][flag & 3]; if ((flag & 512)) { perms += 'w'; } return perms; },nodePermissions:(node, perms) => { if (FS.ignorePermissions) { return 0; } // return 0 if any user, group or owner bits are set. if (perms.includes('r') && !(node.mode & 292)) { return 2; } else if (perms.includes('w') && !(node.mode & 146)) { return 2; } else if (perms.includes('x') && !(node.mode & 73)) { return 2; } return 0; },mayLookup:(dir) => { var errCode = FS.nodePermissions(dir, 'x'); if (errCode) return errCode; if (!dir.node_ops.lookup) return 2; return 0; },mayCreate:(dir, name) => { try { var node = FS.lookupNode(dir, name); return 20; } catch (e) { } return FS.nodePermissions(dir, 'wx'); },mayDelete:(dir, name, isdir) => { var node; try { node = FS.lookupNode(dir, name); } catch (e) { return e.errno; } var errCode = FS.nodePermissions(dir, 'wx'); if (errCode) { return errCode; } if (isdir) { if (!FS.isDir(node.mode)) { return 54; } if (FS.isRoot(node) || FS.getPath(node) === FS.cwd()) { return 10; } } else { if (FS.isDir(node.mode)) { return 31; } } return 0; },mayOpen:(node, flags) => { if (!node) { return 44; } if (FS.isLink(node.mode)) { return 32; } else if (FS.isDir(node.mode)) { if (FS.flagsToPermissionString(flags) !== 'r' || // opening for write (flags & 512)) { // TODO: check for O_SEARCH? (== search for dir only) return 31; } } return FS.nodePermissions(node, FS.flagsToPermissionString(flags)); },MAX_OPEN_FDS:4096,nextfd:(fd_start = 0, fd_end = FS.MAX_OPEN_FDS) => { for (var fd = fd_start; fd <= fd_end; fd++) { if (!FS.streams[fd]) { return fd; } } throw new FS.ErrnoError(33); },getStream:(fd) => FS.streams[fd],createStream:(stream, fd_start, fd_end) => { if (!FS.FSStream) { FS.FSStream = /** @constructor */ function() { this.shared = { }; }; FS.FSStream.prototype = {}; Object.defineProperties(FS.FSStream.prototype, { object: { /** @this {FS.FSStream} */ get: function() { return this.node; }, /** @this {FS.FSStream} */ set: function(val) { this.node = val; } }, isRead: { /** @this {FS.FSStream} */ get: function() { return (this.flags & 2097155) !== 1; } }, isWrite: { /** @this {FS.FSStream} */ get: function() { return (this.flags & 2097155) !== 0; } }, isAppend: { /** @this {FS.FSStream} */ get: function() { return (this.flags & 1024); } }, flags: { /** @this {FS.FSStream} */ get: function() { return this.shared.flags; }, /** @this {FS.FSStream} */ set: function(val) { this.shared.flags = val; }, }, position : { /** @this {FS.FSStream} */ get: function() { return this.shared.position; }, /** @this {FS.FSStream} */ set: function(val) { this.shared.position = val; }, }, }); } // clone it, so we can return an instance of FSStream stream = Object.assign(new FS.FSStream(), stream); var fd = FS.nextfd(fd_start, fd_end); stream.fd = fd; FS.streams[fd] = stream; return stream; },closeStream:(fd) => { FS.streams[fd] = null; },chrdev_stream_ops:{open:(stream) => { var device = FS.getDevice(stream.node.rdev); // override node's stream ops with the device's stream.stream_ops = device.stream_ops; // forward the open call if (stream.stream_ops.open) { stream.stream_ops.open(stream); } },llseek:() => { throw new FS.ErrnoError(70); }},major:(dev) => ((dev) >> 8),minor:(dev) => ((dev) & 0xff),makedev:(ma, mi) => ((ma) << 8 | (mi)),registerDevice:(dev, ops) => { FS.devices[dev] = { stream_ops: ops }; },getDevice:(dev) => FS.devices[dev],getMounts:(mount) => { var mounts = []; var check = [mount]; while (check.length) { var m = check.pop(); mounts.push(m); check.push.apply(check, m.mounts); } return mounts; },syncfs:(populate, callback) => { if (typeof populate == 'function') { callback = populate; populate = false; } FS.syncFSRequests++; if (FS.syncFSRequests > 1) { err('warning: ' + FS.syncFSRequests + ' FS.syncfs operations in flight at once, probably just doing extra work'); } var mounts = FS.getMounts(FS.root.mount); var completed = 0; function doCallback(errCode) { assert(FS.syncFSRequests > 0); FS.syncFSRequests--; return callback(errCode); } function done(errCode) { if (errCode) { if (!done.errored) { done.errored = true; return doCallback(errCode); } return; } if (++completed >= mounts.length) { doCallback(null); } }; // sync all mounts mounts.forEach((mount) => { if (!mount.type.syncfs) { return done(null); } mount.type.syncfs(mount, populate, done); }); },mount:(type, opts, mountpoint) => { if (typeof type == 'string') { // The filesystem was not included, and instead we have an error // message stored in the variable. throw type; } var root = mountpoint === '/'; var pseudo = !mountpoint; var node; if (root && FS.root) { throw new FS.ErrnoError(10); } else if (!root && !pseudo) { var lookup = FS.lookupPath(mountpoint, { follow_mount: false }); mountpoint = lookup.path; // use the absolute path node = lookup.node; if (FS.isMountpoint(node)) { throw new FS.ErrnoError(10); } if (!FS.isDir(node.mode)) { throw new FS.ErrnoError(54); } } var mount = { type: type, opts: opts, mountpoint: mountpoint, mounts: [] }; // create a root node for the fs var mountRoot = type.mount(mount); mountRoot.mount = mount; mount.root = mountRoot; if (root) { FS.root = mountRoot; } else if (node) { // set as a mountpoint node.mounted = mount; // add the new mount to the current mount's children if (node.mount) { node.mount.mounts.push(mount); } } return mountRoot; },unmount:(mountpoint) => { var lookup = FS.lookupPath(mountpoint, { follow_mount: false }); if (!FS.isMountpoint(lookup.node)) { throw new FS.ErrnoError(28); } // destroy the nodes for this mount, and all its child mounts var node = lookup.node; var mount = node.mounted; var mounts = FS.getMounts(mount); Object.keys(FS.nameTable).forEach((hash) => { var current = FS.nameTable[hash]; while (current) { var next = current.name_next; if (mounts.includes(current.mount)) { FS.destroyNode(current); } current = next; } }); // no longer a mountpoint node.mounted = null; // remove this mount from the child mounts var idx = node.mount.mounts.indexOf(mount); assert(idx !== -1); node.mount.mounts.splice(idx, 1); },lookup:(parent, name) => { return parent.node_ops.lookup(parent, name); },mknod:(path, mode, dev) => { var lookup = FS.lookupPath(path, { parent: true }); var parent = lookup.node; var name = PATH.basename(path); if (!name || name === '.' || name === '..') { throw new FS.ErrnoError(28); } var errCode = FS.mayCreate(parent, name); if (errCode) { throw new FS.ErrnoError(errCode); } if (!parent.node_ops.mknod) { throw new FS.ErrnoError(63); } return parent.node_ops.mknod(parent, name, mode, dev); },create:(path, mode) => { mode = mode !== undefined ? mode : 438 /* 0666 */; mode &= 4095; mode |= 32768; return FS.mknod(path, mode, 0); },mkdir:(path, mode) => { mode = mode !== undefined ? mode : 511 /* 0777 */; mode &= 511 | 512; mode |= 16384; return FS.mknod(path, mode, 0); },mkdirTree:(path, mode) => { var dirs = path.split('/'); var d = ''; for (var i = 0; i < dirs.length; ++i) { if (!dirs[i]) continue; d += '/' + dirs[i]; try { FS.mkdir(d, mode); } catch(e) { if (e.errno != 20) throw e; } } },mkdev:(path, mode, dev) => { if (typeof dev == 'undefined') { dev = mode; mode = 438 /* 0666 */; } mode |= 8192; return FS.mknod(path, mode, dev); },symlink:(oldpath, newpath) => { if (!PATH_FS.resolve(oldpath)) { throw new FS.ErrnoError(44); } var lookup = FS.lookupPath(newpath, { parent: true }); var parent = lookup.node; if (!parent) { throw new FS.ErrnoError(44); } var newname = PATH.basename(newpath); var errCode = FS.mayCreate(parent, newname); if (errCode) { throw new FS.ErrnoError(errCode); } if (!parent.node_ops.symlink) { throw new FS.ErrnoError(63); } return parent.node_ops.symlink(parent, newname, oldpath); },rename:(old_path, new_path) => { var old_dirname = PATH.dirname(old_path); var new_dirname = PATH.dirname(new_path); var old_name = PATH.basename(old_path); var new_name = PATH.basename(new_path); // parents must exist var lookup, old_dir, new_dir; // let the errors from non existant directories percolate up lookup = FS.lookupPath(old_path, { parent: true }); old_dir = lookup.node; lookup = FS.lookupPath(new_path, { parent: true }); new_dir = lookup.node; if (!old_dir || !new_dir) throw new FS.ErrnoError(44); // need to be part of the same mount if (old_dir.mount !== new_dir.mount) { throw new FS.ErrnoError(75); } // source must exist var old_node = FS.lookupNode(old_dir, old_name); // old path should not be an ancestor of the new path var relative = PATH_FS.relative(old_path, new_dirname); if (relative.charAt(0) !== '.') { throw new FS.ErrnoError(28); } // new path should not be an ancestor of the old path relative = PATH_FS.relative(new_path, old_dirname); if (relative.charAt(0) !== '.') { throw new FS.ErrnoError(55); } // see if the new path already exists var new_node; try { new_node = FS.lookupNode(new_dir, new_name); } catch (e) { // not fatal } // early out if nothing needs to change if (old_node === new_node) { return; } // we'll need to delete the old entry var isdir = FS.isDir(old_node.mode); var errCode = FS.mayDelete(old_dir, old_name, isdir); if (errCode) { throw new FS.ErrnoError(errCode); } // need delete permissions if we'll be overwriting. // need create permissions if new doesn't already exist. errCode = new_node ? FS.mayDelete(new_dir, new_name, isdir) : FS.mayCreate(new_dir, new_name); if (errCode) { throw new FS.ErrnoError(errCode); } if (!old_dir.node_ops.rename) { throw new FS.ErrnoError(63); } if (FS.isMountpoint(old_node) || (new_node && FS.isMountpoint(new_node))) { throw new FS.ErrnoError(10); } // if we are going to change the parent, check write permissions if (new_dir !== old_dir) { errCode = FS.nodePermissions(old_dir, 'w'); if (errCode) { throw new FS.ErrnoError(errCode); } } // remove the node from the lookup hash FS.hashRemoveNode(old_node); // do the underlying fs rename try { old_dir.node_ops.rename(old_node, new_dir, new_name); } catch (e) { throw e; } finally { // add the node back to the hash (in case node_ops.rename // changed its name) FS.hashAddNode(old_node); } },rmdir:(path) => { var lookup = FS.lookupPath(path, { parent: true }); var parent = lookup.node; var name = PATH.basename(path); var node = FS.lookupNode(parent, name); var errCode = FS.mayDelete(parent, name, true); if (errCode) { throw new FS.ErrnoError(errCode); } if (!parent.node_ops.rmdir) { throw new FS.ErrnoError(63); } if (FS.isMountpoint(node)) { throw new FS.ErrnoError(10); } parent.node_ops.rmdir(parent, name); FS.destroyNode(node); },readdir:(path) => { var lookup = FS.lookupPath(path, { follow: true }); var node = lookup.node; if (!node.node_ops.readdir) { throw new FS.ErrnoError(54); } return node.node_ops.readdir(node); },unlink:(path) => { var lookup = FS.lookupPath(path, { parent: true }); var parent = lookup.node; if (!parent) { throw new FS.ErrnoError(44); } var name = PATH.basename(path); var node = FS.lookupNode(parent, name); var errCode = FS.mayDelete(parent, name, false); if (errCode) { // According to POSIX, we should map EISDIR to EPERM, but // we instead do what Linux does (and we must, as we use // the musl linux libc). throw new FS.ErrnoError(errCode); } if (!parent.node_ops.unlink) { throw new FS.ErrnoError(63); } if (FS.isMountpoint(node)) { throw new FS.ErrnoError(10); } parent.node_ops.unlink(parent, name); FS.destroyNode(node); },readlink:(path) => { var lookup = FS.lookupPath(path); var link = lookup.node; if (!link) { throw new FS.ErrnoError(44); } if (!link.node_ops.readlink) { throw new FS.ErrnoError(28); } return PATH_FS.resolve(FS.getPath(link.parent), link.node_ops.readlink(link)); },stat:(path, dontFollow) => { var lookup = FS.lookupPath(path, { follow: !dontFollow }); var node = lookup.node; if (!node) { throw new FS.ErrnoError(44); } if (!node.node_ops.getattr) { throw new FS.ErrnoError(63); } return node.node_ops.getattr(node); },lstat:(path) => { return FS.stat(path, true); },chmod:(path, mode, dontFollow) => { var node; if (typeof path == 'string') { var lookup = FS.lookupPath(path, { follow: !dontFollow }); node = lookup.node; } else { node = path; } if (!node.node_ops.setattr) { throw new FS.ErrnoError(63); } node.node_ops.setattr(node, { mode: (mode & 4095) | (node.mode & ~4095), timestamp: Date.now() }); },lchmod:(path, mode) => { FS.chmod(path, mode, true); },fchmod:(fd, mode) => { var stream = FS.getStream(fd); if (!stream) { throw new FS.ErrnoError(8); } FS.chmod(stream.node, mode); },chown:(path, uid, gid, dontFollow) => { var node; if (typeof path == 'string') { var lookup = FS.lookupPath(path, { follow: !dontFollow }); node = lookup.node; } else { node = path; } if (!node.node_ops.setattr) { throw new FS.ErrnoError(63); } node.node_ops.setattr(node, { timestamp: Date.now() // we ignore the uid / gid for now }); },lchown:(path, uid, gid) => { FS.chown(path, uid, gid, true); },fchown:(fd, uid, gid) => { var stream = FS.getStream(fd); if (!stream) { throw new FS.ErrnoError(8); } FS.chown(stream.node, uid, gid); },truncate:(path, len) => { if (len < 0) { throw new FS.ErrnoError(28); } var node; if (typeof path == 'string') { var lookup = FS.lookupPath(path, { follow: true }); node = lookup.node; } else { node = path; } if (!node.node_ops.setattr) { throw new FS.ErrnoError(63); } if (FS.isDir(node.mode)) { throw new FS.ErrnoError(31); } if (!FS.isFile(node.mode)) { throw new FS.ErrnoError(28); } var errCode = FS.nodePermissions(node, 'w'); if (errCode) { throw new FS.ErrnoError(errCode); } node.node_ops.setattr(node, { size: len, timestamp: Date.now() }); },ftruncate:(fd, len) => { var stream = FS.getStream(fd); if (!stream) { throw new FS.ErrnoError(8); } if ((stream.flags & 2097155) === 0) { throw new FS.ErrnoError(28); } FS.truncate(stream.node, len); },utime:(path, atime, mtime) => { var lookup = FS.lookupPath(path, { follow: true }); var node = lookup.node; node.node_ops.setattr(node, { timestamp: Math.max(atime, mtime) }); },open:(path, flags, mode) => { if (path === "") { throw new FS.ErrnoError(44); } flags = typeof flags == 'string' ? FS.modeStringToFlags(flags) : flags; mode = typeof mode == 'undefined' ? 438 /* 0666 */ : mode; if ((flags & 64)) { mode = (mode & 4095) | 32768; } else { mode = 0; } var node; if (typeof path == 'object') { node = path; } else { path = PATH.normalize(path); try { var lookup = FS.lookupPath(path, { follow: !(flags & 131072) }); node = lookup.node; } catch (e) { // ignore } } // perhaps we need to create the node var created = false; if ((flags & 64)) { if (node) { // if O_CREAT and O_EXCL are set, error out if the node already exists if ((flags & 128)) { throw new FS.ErrnoError(20); } } else { // node doesn't exist, try to create it node = FS.mknod(path, mode, 0); created = true; } } if (!node) { throw new FS.ErrnoError(44); } // can't truncate a device if (FS.isChrdev(node.mode)) { flags &= ~512; } // if asked only for a directory, then this must be one if ((flags & 65536) && !FS.isDir(node.mode)) { throw new FS.ErrnoError(54); } // check permissions, if this is not a file we just created now (it is ok to // create and write to a file with read-only permissions; it is read-only // for later use) if (!created) { var errCode = FS.mayOpen(node, flags); if (errCode) { throw new FS.ErrnoError(errCode); } } // do truncation if necessary if ((flags & 512) && !created) { FS.truncate(node, 0); } // we've already handled these, don't pass down to the underlying vfs flags &= ~(128 | 512 | 131072); // register the stream with the filesystem var stream = FS.createStream({ node: node, path: FS.getPath(node), // we want the absolute path to the node flags: flags, seekable: true, position: 0, stream_ops: node.stream_ops, // used by the file family libc calls (fopen, fwrite, ferror, etc.) ungotten: [], error: false }); // call the new stream's open function if (stream.stream_ops.open) { stream.stream_ops.open(stream); } if (Module['logReadFiles'] && !(flags & 1)) { if (!FS.readFiles) FS.readFiles = {}; if (!(path in FS.readFiles)) { FS.readFiles[path] = 1; } } return stream; },close:(stream) => { if (FS.isClosed(stream)) { throw new FS.ErrnoError(8); } if (stream.getdents) stream.getdents = null; // free readdir state try { if (stream.stream_ops.close) { stream.stream_ops.close(stream); } } catch (e) { throw e; } finally { FS.closeStream(stream.fd); } stream.fd = null; },isClosed:(stream) => { return stream.fd === null; },llseek:(stream, offset, whence) => { if (FS.isClosed(stream)) { throw new FS.ErrnoError(8); } if (!stream.seekable || !stream.stream_ops.llseek) { throw new FS.ErrnoError(70); } if (whence != 0 && whence != 1 && whence != 2) { throw new FS.ErrnoError(28); } stream.position = stream.stream_ops.llseek(stream, offset, whence); stream.ungotten = []; return stream.position; },read:(stream, buffer, offset, length, position) => { if (length < 0 || position < 0) { throw new FS.ErrnoError(28); } if (FS.isClosed(stream)) { throw new FS.ErrnoError(8); } if ((stream.flags & 2097155) === 1) { throw new FS.ErrnoError(8); } if (FS.isDir(stream.node.mode)) { throw new FS.ErrnoError(31); } if (!stream.stream_ops.read) { throw new FS.ErrnoError(28); } var seeking = typeof position != 'undefined'; if (!seeking) { position = stream.position; } else if (!stream.seekable) { throw new FS.ErrnoError(70); } var bytesRead = stream.stream_ops.read(stream, buffer, offset, length, position); if (!seeking) stream.position += bytesRead; return bytesRead; },write:(stream, buffer, offset, length, position, canOwn) => { if (length < 0 || position < 0) { throw new FS.ErrnoError(28); } if (FS.isClosed(stream)) { throw new FS.ErrnoError(8); } if ((stream.flags & 2097155) === 0) { throw new FS.ErrnoError(8); } if (FS.isDir(stream.node.mode)) { throw new FS.ErrnoError(31); } if (!stream.stream_ops.write) { throw new FS.ErrnoError(28); } if (stream.seekable && stream.flags & 1024) { // seek to the end before writing in append mode FS.llseek(stream, 0, 2); } var seeking = typeof position != 'undefined'; if (!seeking) { position = stream.position; } else if (!stream.seekable) { throw new FS.ErrnoError(70); } var bytesWritten = stream.stream_ops.write(stream, buffer, offset, length, position, canOwn); if (!seeking) stream.position += bytesWritten; return bytesWritten; },allocate:(stream, offset, length) => { if (FS.isClosed(stream)) { throw new FS.ErrnoError(8); } if (offset < 0 || length <= 0) { throw new FS.ErrnoError(28); } if ((stream.flags & 2097155) === 0) { throw new FS.ErrnoError(8); } if (!FS.isFile(stream.node.mode) && !FS.isDir(stream.node.mode)) { throw new FS.ErrnoError(43); } if (!stream.stream_ops.allocate) { throw new FS.ErrnoError(138); } stream.stream_ops.allocate(stream, offset, length); },mmap:(stream, length, position, prot, flags) => { // User requests writing to file (prot & PROT_WRITE != 0). // Checking if we have permissions to write to the file unless // MAP_PRIVATE flag is set. According to POSIX spec it is possible // to write to file opened in read-only mode with MAP_PRIVATE flag, // as all modifications will be visible only in the memory of // the current process. if ((prot & 2) !== 0 && (flags & 2) === 0 && (stream.flags & 2097155) !== 2) { throw new FS.ErrnoError(2); } if ((stream.flags & 2097155) === 1) { throw new FS.ErrnoError(2); } if (!stream.stream_ops.mmap) { throw new FS.ErrnoError(43); } return stream.stream_ops.mmap(stream, length, position, prot, flags); },msync:(stream, buffer, offset, length, mmapFlags) => { if (!stream || !stream.stream_ops.msync) { return 0; } return stream.stream_ops.msync(stream, buffer, offset, length, mmapFlags); },munmap:(stream) => 0,ioctl:(stream, cmd, arg) => { if (!stream.stream_ops.ioctl) { throw new FS.ErrnoError(59); } return stream.stream_ops.ioctl(stream, cmd, arg); },readFile:(path, opts = {}) => { opts.flags = opts.flags || 0; opts.encoding = opts.encoding || 'binary'; if (opts.encoding !== 'utf8' && opts.encoding !== 'binary') { throw new Error('Invalid encoding type "' + opts.encoding + '"'); } var ret; var stream = FS.open(path, opts.flags); var stat = FS.stat(path); var length = stat.size; var buf = new Uint8Array(length); FS.read(stream, buf, 0, length, 0); if (opts.encoding === 'utf8') { ret = UTF8ArrayToString(buf, 0); } else if (opts.encoding === 'binary') { ret = buf; } FS.close(stream); return ret; },writeFile:(path, data, opts = {}) => { opts.flags = opts.flags || 577; var stream = FS.open(path, opts.flags, opts.mode); if (typeof data == 'string') { var buf = new Uint8Array(lengthBytesUTF8(data)+1); var actualNumBytes = stringToUTF8Array(data, buf, 0, buf.length); FS.write(stream, buf, 0, actualNumBytes, undefined, opts.canOwn); } else if (ArrayBuffer.isView(data)) { FS.write(stream, data, 0, data.byteLength, undefined, opts.canOwn); } else { throw new Error('Unsupported data type'); } FS.close(stream); },cwd:() => FS.currentPath,chdir:(path) => { var lookup = FS.lookupPath(path, { follow: true }); if (lookup.node === null) { throw new FS.ErrnoError(44); } if (!FS.isDir(lookup.node.mode)) { throw new FS.ErrnoError(54); } var errCode = FS.nodePermissions(lookup.node, 'x'); if (errCode) { throw new FS.ErrnoError(errCode); } FS.currentPath = lookup.path; },createDefaultDirectories:() => { FS.mkdir('/tmp'); FS.mkdir('/home'); FS.mkdir('/home/web_user'); },createDefaultDevices:() => { // create /dev FS.mkdir('/dev'); // setup /dev/null FS.registerDevice(FS.makedev(1, 3), { read: () => 0, write: (stream, buffer, offset, length, pos) => length, }); FS.mkdev('/dev/null', FS.makedev(1, 3)); // setup /dev/tty and /dev/tty1 // stderr needs to print output using err() rather than out() // so we register a second tty just for it. TTY.register(FS.makedev(5, 0), TTY.default_tty_ops); TTY.register(FS.makedev(6, 0), TTY.default_tty1_ops); FS.mkdev('/dev/tty', FS.makedev(5, 0)); FS.mkdev('/dev/tty1', FS.makedev(6, 0)); // setup /dev/[u]random var random_device = getRandomDevice(); FS.createDevice('/dev', 'random', random_device); FS.createDevice('/dev', 'urandom', random_device); // we're not going to emulate the actual shm device, // just create the tmp dirs that reside in it commonly FS.mkdir('/dev/shm'); FS.mkdir('/dev/shm/tmp'); },createSpecialDirectories:() => { // create /proc/self/fd which allows /proc/self/fd/6 => readlink gives the // name of the stream for fd 6 (see test_unistd_ttyname) FS.mkdir('/proc'); var proc_self = FS.mkdir('/proc/self'); FS.mkdir('/proc/self/fd'); FS.mount({ mount: () => { var node = FS.createNode(proc_self, 'fd', 16384 | 511 /* 0777 */, 73); node.node_ops = { lookup: (parent, name) => { var fd = +name; var stream = FS.getStream(fd); if (!stream) throw new FS.ErrnoError(8); var ret = { parent: null, mount: { mountpoint: 'fake' }, node_ops: { readlink: () => stream.path }, }; ret.parent = ret; // make it look like a simple root node return ret; } }; return node; } }, {}, '/proc/self/fd'); },createStandardStreams:() => { // TODO deprecate the old functionality of a single // input / output callback and that utilizes FS.createDevice // and instead require a unique set of stream ops // by default, we symlink the standard streams to the // default tty devices. however, if the standard streams // have been overwritten we create a unique device for // them instead. if (Module['stdin']) { FS.createDevice('/dev', 'stdin', Module['stdin']); } else { FS.symlink('/dev/tty', '/dev/stdin'); } if (Module['stdout']) { FS.createDevice('/dev', 'stdout', null, Module['stdout']); } else { FS.symlink('/dev/tty', '/dev/stdout'); } if (Module['stderr']) { FS.createDevice('/dev', 'stderr', null, Module['stderr']); } else { FS.symlink('/dev/tty1', '/dev/stderr'); } // open default streams for the stdin, stdout and stderr devices var stdin = FS.open('/dev/stdin', 0); var stdout = FS.open('/dev/stdout', 1); var stderr = FS.open('/dev/stderr', 1); assert(stdin.fd === 0, 'invalid handle for stdin (' + stdin.fd + ')'); assert(stdout.fd === 1, 'invalid handle for stdout (' + stdout.fd + ')'); assert(stderr.fd === 2, 'invalid handle for stderr (' + stderr.fd + ')'); },ensureErrnoError:() => { if (FS.ErrnoError) return; FS.ErrnoError = /** @this{Object} */ function ErrnoError(errno, node) { this.node = node; this.setErrno = /** @this{Object} */ function(errno) { this.errno = errno; for (var key in ERRNO_CODES) { if (ERRNO_CODES[key] === errno) { this.code = key; break; } } }; this.setErrno(errno); this.message = ERRNO_MESSAGES[errno]; // Try to get a maximally helpful stack trace. On Node.js, getting Error.stack // now ensures it shows what we want. if (this.stack) { // Define the stack property for Node.js 4, which otherwise errors on the next line. Object.defineProperty(this, "stack", { value: (new Error).stack, writable: true }); this.stack = demangleAll(this.stack); } }; FS.ErrnoError.prototype = new Error(); FS.ErrnoError.prototype.constructor = FS.ErrnoError; // Some errors may happen quite a bit, to avoid overhead we reuse them (and suffer a lack of stack info) [44].forEach((code) => { FS.genericErrors[code] = new FS.ErrnoError(code); FS.genericErrors[code].stack = ''; }); },staticInit:() => { FS.ensureErrnoError(); FS.nameTable = new Array(4096); FS.mount(MEMFS, {}, '/'); FS.createDefaultDirectories(); FS.createDefaultDevices(); FS.createSpecialDirectories(); FS.filesystems = { 'MEMFS': MEMFS, }; },init:(input, output, error) => { assert(!FS.init.initialized, 'FS.init was previously called. If you want to initialize later with custom parameters, remove any earlier calls (note that one is automatically added to the generated code)'); FS.init.initialized = true; FS.ensureErrnoError(); // Allow Module.stdin etc. to provide defaults, if none explicitly passed to us here Module['stdin'] = input || Module['stdin']; Module['stdout'] = output || Module['stdout']; Module['stderr'] = error || Module['stderr']; FS.createStandardStreams(); },quit:() => { FS.init.initialized = false; // force-flush all streams, so we get musl std streams printed out _fflush(0); // close all of our streams for (var i = 0; i < FS.streams.length; i++) { var stream = FS.streams[i]; if (!stream) { continue; } FS.close(stream); } },getMode:(canRead, canWrite) => { var mode = 0; if (canRead) mode |= 292 | 73; if (canWrite) mode |= 146; return mode; },findObject:(path, dontResolveLastLink) => { var ret = FS.analyzePath(path, dontResolveLastLink); if (!ret.exists) { return null; } return ret.object; },analyzePath:(path, dontResolveLastLink) => { // operate from within the context of the symlink's target try { var lookup = FS.lookupPath(path, { follow: !dontResolveLastLink }); path = lookup.path; } catch (e) { } var ret = { isRoot: false, exists: false, error: 0, name: null, path: null, object: null, parentExists: false, parentPath: null, parentObject: null }; try { var lookup = FS.lookupPath(path, { parent: true }); ret.parentExists = true; ret.parentPath = lookup.path; ret.parentObject = lookup.node; ret.name = PATH.basename(path); lookup = FS.lookupPath(path, { follow: !dontResolveLastLink }); ret.exists = true; ret.path = lookup.path; ret.object = lookup.node; ret.name = lookup.node.name; ret.isRoot = lookup.path === '/'; } catch (e) { ret.error = e.errno; }; return ret; },createPath:(parent, path, canRead, canWrite) => { parent = typeof parent == 'string' ? parent : FS.getPath(parent); var parts = path.split('/').reverse(); while (parts.length) { var part = parts.pop(); if (!part) continue; var current = PATH.join2(parent, part); try { FS.mkdir(current); } catch (e) { // ignore EEXIST } parent = current; } return current; },createFile:(parent, name, properties, canRead, canWrite) => { var path = PATH.join2(typeof parent == 'string' ? parent : FS.getPath(parent), name); var mode = FS.getMode(canRead, canWrite); return FS.create(path, mode); },createDataFile:(parent, name, data, canRead, canWrite, canOwn) => { var path = name; if (parent) { parent = typeof parent == 'string' ? parent : FS.getPath(parent); path = name ? PATH.join2(parent, name) : parent; } var mode = FS.getMode(canRead, canWrite); var node = FS.create(path, mode); if (data) { if (typeof data == 'string') { var arr = new Array(data.length); for (var i = 0, len = data.length; i < len; ++i) arr[i] = data.charCodeAt(i); data = arr; } // make sure we can write to the file FS.chmod(node, mode | 146); var stream = FS.open(node, 577); FS.write(stream, data, 0, data.length, 0, canOwn); FS.close(stream); FS.chmod(node, mode); } return node; },createDevice:(parent, name, input, output) => { var path = PATH.join2(typeof parent == 'string' ? parent : FS.getPath(parent), name); var mode = FS.getMode(!!input, !!output); if (!FS.createDevice.major) FS.createDevice.major = 64; var dev = FS.makedev(FS.createDevice.major++, 0); // Create a fake device that a set of stream ops to emulate // the old behavior. FS.registerDevice(dev, { open: (stream) => { stream.seekable = false; }, close: (stream) => { // flush any pending line data if (output && output.buffer && output.buffer.length) { output(10); } }, read: (stream, buffer, offset, length, pos /* ignored */) => { var bytesRead = 0; for (var i = 0; i < length; i++) { var result; try { result = input(); } catch (e) { throw new FS.ErrnoError(29); } if (result === undefined && bytesRead === 0) { throw new FS.ErrnoError(6); } if (result === null || result === undefined) break; bytesRead++; buffer[offset+i] = result; } if (bytesRead) { stream.node.timestamp = Date.now(); } return bytesRead; }, write: (stream, buffer, offset, length, pos) => { for (var i = 0; i < length; i++) { try { output(buffer[offset+i]); } catch (e) { throw new FS.ErrnoError(29); } } if (length) { stream.node.timestamp = Date.now(); } return i; } }); return FS.mkdev(path, mode, dev); },forceLoadFile:(obj) => { if (obj.isDevice || obj.isFolder || obj.link || obj.contents) return true; if (typeof XMLHttpRequest != 'undefined') { throw new Error("Lazy loading should have been performed (contents set) in createLazyFile, but it was not. Lazy loading only works in web workers. Use --embed-file or --preload-file in emcc on the main thread."); } else if (read_) { // Command-line. try { // WARNING: Can't read binary files in V8's d8 or tracemonkey's js, as // read() will try to parse UTF8. obj.contents = intArrayFromString(read_(obj.url), true); obj.usedBytes = obj.contents.length; } catch (e) { throw new FS.ErrnoError(29); } } else { throw new Error('Cannot load without read() or XMLHttpRequest.'); } },createLazyFile:(parent, name, url, canRead, canWrite) => { // Lazy chunked Uint8Array (implements get and length from Uint8Array). Actual getting is abstracted away for eventual reuse. /** @constructor */ function LazyUint8Array() { this.lengthKnown = false; this.chunks = []; // Loaded chunks. Index is the chunk number } LazyUint8Array.prototype.get = /** @this{Object} */ function LazyUint8Array_get(idx) { if (idx > this.length-1 || idx < 0) { return undefined; } var chunkOffset = idx % this.chunkSize; var chunkNum = (idx / this.chunkSize)|0; return this.getter(chunkNum)[chunkOffset]; }; LazyUint8Array.prototype.setDataGetter = function LazyUint8Array_setDataGetter(getter) { this.getter = getter; }; LazyUint8Array.prototype.cacheLength = function LazyUint8Array_cacheLength() { // Find length var xhr = new XMLHttpRequest(); xhr.open('HEAD', url, false); xhr.send(null); if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) throw new Error("Couldn't load " + url + ". Status: " + xhr.status); var datalength = Number(xhr.getResponseHeader("Content-length")); var header; var hasByteServing = (header = xhr.getResponseHeader("Accept-Ranges")) && header === "bytes"; var usesGzip = (header = xhr.getResponseHeader("Content-Encoding")) && header === "gzip"; var chunkSize = 1024*1024; // Chunk size in bytes if (!hasByteServing) chunkSize = datalength; // Function to get a range from the remote URL. var doXHR = (from, to) => { if (from > to) throw new Error("invalid range (" + from + ", " + to + ") or no bytes requested!"); if (to > datalength-1) throw new Error("only " + datalength + " bytes available! programmer error!"); // TODO: Use mozResponseArrayBuffer, responseStream, etc. if available. var xhr = new XMLHttpRequest(); xhr.open('GET', url, false); if (datalength !== chunkSize) xhr.setRequestHeader("Range", "bytes=" + from + "-" + to); // Some hints to the browser that we want binary data. xhr.responseType = 'arraybuffer'; if (xhr.overrideMimeType) { xhr.overrideMimeType('text/plain; charset=x-user-defined'); } xhr.send(null); if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) throw new Error("Couldn't load " + url + ". Status: " + xhr.status); if (xhr.response !== undefined) { return new Uint8Array(/** @type{Array} */(xhr.response || [])); } return intArrayFromString(xhr.responseText || '', true); }; var lazyArray = this; lazyArray.setDataGetter((chunkNum) => { var start = chunkNum * chunkSize; var end = (chunkNum+1) * chunkSize - 1; // including this byte end = Math.min(end, datalength-1); // if datalength-1 is selected, this is the last block if (typeof lazyArray.chunks[chunkNum] == 'undefined') { lazyArray.chunks[chunkNum] = doXHR(start, end); } if (typeof lazyArray.chunks[chunkNum] == 'undefined') throw new Error('doXHR failed!'); return lazyArray.chunks[chunkNum]; }); if (usesGzip || !datalength) { // if the server uses gzip or doesn't supply the length, we have to download the whole file to get the (uncompressed) length chunkSize = datalength = 1; // this will force getter(0)/doXHR do download the whole file datalength = this.getter(0).length; chunkSize = datalength; out("LazyFiles on gzip forces download of the whole file when length is accessed"); } this._length = datalength; this._chunkSize = chunkSize; this.lengthKnown = true; }; if (typeof XMLHttpRequest != 'undefined') { if (!ENVIRONMENT_IS_WORKER) throw 'Cannot do synchronous binary XHRs outside webworkers in modern browsers. Use --embed-file or --preload-file in emcc'; var lazyArray = new LazyUint8Array(); Object.defineProperties(lazyArray, { length: { get: /** @this{Object} */ function() { if (!this.lengthKnown) { this.cacheLength(); } return this._length; } }, chunkSize: { get: /** @this{Object} */ function() { if (!this.lengthKnown) { this.cacheLength(); } return this._chunkSize; } } }); var properties = { isDevice: false, contents: lazyArray }; } else { var properties = { isDevice: false, url: url }; } var node = FS.createFile(parent, name, properties, canRead, canWrite); // This is a total hack, but I want to get this lazy file code out of the // core of MEMFS. If we want to keep this lazy file concept I feel it should // be its own thin LAZYFS proxying calls to MEMFS. if (properties.contents) { node.contents = properties.contents; } else if (properties.url) { node.contents = null; node.url = properties.url; } // Add a function that defers querying the file size until it is asked the first time. Object.defineProperties(node, { usedBytes: { get: /** @this {FSNode} */ function() { return this.contents.length; } } }); // override each stream op with one that tries to force load the lazy file first var stream_ops = {}; var keys = Object.keys(node.stream_ops); keys.forEach((key) => { var fn = node.stream_ops[key]; stream_ops[key] = function forceLoadLazyFile() { FS.forceLoadFile(node); return fn.apply(null, arguments); }; }); function writeChunks(stream, buffer, offset, length, position) { var contents = stream.node.contents; if (position >= contents.length) return 0; var size = Math.min(contents.length - position, length); assert(size >= 0); if (contents.slice) { // normal array for (var i = 0; i < size; i++) { buffer[offset + i] = contents[position + i]; } } else { for (var i = 0; i < size; i++) { // LazyUint8Array from sync binary XHR buffer[offset + i] = contents.get(position + i); } } return size; } // use a custom read function stream_ops.read = (stream, buffer, offset, length, position) => { FS.forceLoadFile(node); return writeChunks(stream, buffer, offset, length, position) }; // use a custom mmap function stream_ops.mmap = (stream, length, position, prot, flags) => { FS.forceLoadFile(node); var ptr = mmapAlloc(length); if (!ptr) { throw new FS.ErrnoError(48); } writeChunks(stream, HEAP8, ptr, length, position); return { ptr: ptr, allocated: true }; }; node.stream_ops = stream_ops; return node; },createPreloadedFile:(parent, name, url, canRead, canWrite, onload, onerror, dontCreateFile, canOwn, preFinish) => { // TODO we should allow people to just pass in a complete filename instead // of parent and name being that we just join them anyways var fullname = name ? PATH_FS.resolve(PATH.join2(parent, name)) : parent; var dep = getUniqueRunDependency('cp ' + fullname); // might have several active requests for the same fullname function processData(byteArray) { function finish(byteArray) { if (preFinish) preFinish(); if (!dontCreateFile) { FS.createDataFile(parent, name, byteArray, canRead, canWrite, canOwn); } if (onload) onload(); removeRunDependency(dep); } if (Browser.handledByPreloadPlugin(byteArray, fullname, finish, () => { if (onerror) onerror(); removeRunDependency(dep); })) { return; } finish(byteArray); } addRunDependency(dep); if (typeof url == 'string') { asyncLoad(url, (byteArray) => processData(byteArray), onerror); } else { processData(url); } },indexedDB:() => { return window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB; },DB_NAME:() => { return 'EM_FS_' + window.location.pathname; },DB_VERSION:20,DB_STORE_NAME:"FILE_DATA",saveFilesToDB:(paths, onload, onerror) => { onload = onload || (() => {}); onerror = onerror || (() => {}); var indexedDB = FS.indexedDB(); try { var openRequest = indexedDB.open(FS.DB_NAME(), FS.DB_VERSION); } catch (e) { return onerror(e); } openRequest.onupgradeneeded = () => { out('creating db'); var db = openRequest.result; db.createObjectStore(FS.DB_STORE_NAME); }; openRequest.onsuccess = () => { var db = openRequest.result; var transaction = db.transaction([FS.DB_STORE_NAME], 'readwrite'); var files = transaction.objectStore(FS.DB_STORE_NAME); var ok = 0, fail = 0, total = paths.length; function finish() { if (fail == 0) onload(); else onerror(); } paths.forEach((path) => { var putRequest = files.put(FS.analyzePath(path).object.contents, path); putRequest.onsuccess = () => { ok++; if (ok + fail == total) finish() }; putRequest.onerror = () => { fail++; if (ok + fail == total) finish() }; }); transaction.onerror = onerror; }; openRequest.onerror = onerror; },loadFilesFromDB:(paths, onload, onerror) => { onload = onload || (() => {}); onerror = onerror || (() => {}); var indexedDB = FS.indexedDB(); try { var openRequest = indexedDB.open(FS.DB_NAME(), FS.DB_VERSION); } catch (e) { return onerror(e); } openRequest.onupgradeneeded = onerror; // no database to load from openRequest.onsuccess = () => { var db = openRequest.result; try { var transaction = db.transaction([FS.DB_STORE_NAME], 'readonly'); } catch(e) { onerror(e); return; } var files = transaction.objectStore(FS.DB_STORE_NAME); var ok = 0, fail = 0, total = paths.length; function finish() { if (fail == 0) onload(); else onerror(); } paths.forEach((path) => { var getRequest = files.get(path); getRequest.onsuccess = () => { if (FS.analyzePath(path).exists) { FS.unlink(path); } FS.createDataFile(PATH.dirname(path), PATH.basename(path), getRequest.result, true, true, true); ok++; if (ok + fail == total) finish(); }; getRequest.onerror = () => { fail++; if (ok + fail == total) finish() }; }); transaction.onerror = onerror; }; openRequest.onerror = onerror; },absolutePath:() => { abort('FS.absolutePath has been removed; use PATH_FS.resolve instead'); },createFolder:() => { abort('FS.createFolder has been removed; use FS.mkdir instead'); },createLink:() => { abort('FS.createLink has been removed; use FS.symlink instead'); },joinPath:() => { abort('FS.joinPath has been removed; use PATH.join instead'); },mmapAlloc:() => { abort('FS.mmapAlloc has been replaced by the top level function mmapAlloc'); },standardizePath:() => { abort('FS.standardizePath has been removed; use PATH.normalize instead'); }}; var SYSCALLS = {DEFAULT_POLLMASK:5,calculateAt:function(dirfd, path, allowEmpty) { if (PATH.isAbs(path)) { return path; } // relative path var dir; if (dirfd === -100) { dir = FS.cwd(); } else { var dirstream = SYSCALLS.getStreamFromFD(dirfd); dir = dirstream.path; } if (path.length == 0) { if (!allowEmpty) { throw new FS.ErrnoError(44);; } return dir; } return PATH.join2(dir, path); },doStat:function(func, path, buf) { try { var stat = func(path); } catch (e) { if (e && e.node && PATH.normalize(path) !== PATH.normalize(FS.getPath(e.node))) { // an error occurred while trying to look up the path; we should just report ENOTDIR return -54; } throw e; } HEAP32[((buf)>>2)] = stat.dev; HEAP32[(((buf)+(8))>>2)] = stat.ino; HEAP32[(((buf)+(12))>>2)] = stat.mode; HEAPU32[(((buf)+(16))>>2)] = stat.nlink; HEAP32[(((buf)+(20))>>2)] = stat.uid; HEAP32[(((buf)+(24))>>2)] = stat.gid; HEAP32[(((buf)+(28))>>2)] = stat.rdev; (tempI64 = [stat.size>>>0,(tempDouble=stat.size,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? ((Math.min((+(Math.floor((tempDouble)/4294967296.0))), 4294967295.0))|0)>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)],HEAP32[(((buf)+(40))>>2)] = tempI64[0],HEAP32[(((buf)+(44))>>2)] = tempI64[1]); HEAP32[(((buf)+(48))>>2)] = 4096; HEAP32[(((buf)+(52))>>2)] = stat.blocks; (tempI64 = [Math.floor(stat.atime.getTime() / 1000)>>>0,(tempDouble=Math.floor(stat.atime.getTime() / 1000),(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? ((Math.min((+(Math.floor((tempDouble)/4294967296.0))), 4294967295.0))|0)>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)],HEAP32[(((buf)+(56))>>2)] = tempI64[0],HEAP32[(((buf)+(60))>>2)] = tempI64[1]); HEAPU32[(((buf)+(64))>>2)] = 0; (tempI64 = [Math.floor(stat.mtime.getTime() / 1000)>>>0,(tempDouble=Math.floor(stat.mtime.getTime() / 1000),(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? ((Math.min((+(Math.floor((tempDouble)/4294967296.0))), 4294967295.0))|0)>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)],HEAP32[(((buf)+(72))>>2)] = tempI64[0],HEAP32[(((buf)+(76))>>2)] = tempI64[1]); HEAPU32[(((buf)+(80))>>2)] = 0; (tempI64 = [Math.floor(stat.ctime.getTime() / 1000)>>>0,(tempDouble=Math.floor(stat.ctime.getTime() / 1000),(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? ((Math.min((+(Math.floor((tempDouble)/4294967296.0))), 4294967295.0))|0)>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)],HEAP32[(((buf)+(88))>>2)] = tempI64[0],HEAP32[(((buf)+(92))>>2)] = tempI64[1]); HEAPU32[(((buf)+(96))>>2)] = 0; (tempI64 = [stat.ino>>>0,(tempDouble=stat.ino,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? ((Math.min((+(Math.floor((tempDouble)/4294967296.0))), 4294967295.0))|0)>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)],HEAP32[(((buf)+(104))>>2)] = tempI64[0],HEAP32[(((buf)+(108))>>2)] = tempI64[1]); return 0; },doMsync:function(addr, stream, len, flags, offset) { var buffer = HEAPU8.slice(addr, addr + len); FS.msync(stream, buffer, offset, len, flags); },varargs:undefined,get:function() { assert(SYSCALLS.varargs != undefined); SYSCALLS.varargs += 4; var ret = HEAP32[(((SYSCALLS.varargs)-(4))>>2)]; return ret; },getStr:function(ptr) { var ret = UTF8ToString(ptr); return ret; },getStreamFromFD:function(fd) { var stream = FS.getStream(fd); if (!stream) throw new FS.ErrnoError(8); return stream; }}; function ___syscall_fcntl64(fd, cmd, varargs) { SYSCALLS.varargs = varargs; try { var stream = SYSCALLS.getStreamFromFD(fd); switch (cmd) { case 0: { var arg = SYSCALLS.get(); if (arg < 0) { return -28; } var newStream; newStream = FS.createStream(stream, arg); return newStream.fd; } case 1: case 2: return 0; // FD_CLOEXEC makes no sense for a single process. case 3: return stream.flags; case 4: { var arg = SYSCALLS.get(); stream.flags |= arg; return 0; } case 5: /* case 5: Currently in musl F_GETLK64 has same value as F_GETLK, so omitted to avoid duplicate case blocks. If that changes, uncomment this */ { var arg = SYSCALLS.get(); var offset = 0; // We're always unlocked. HEAP16[(((arg)+(offset))>>1)] = 2; return 0; } case 6: case 7: /* case 6: Currently in musl F_SETLK64 has same value as F_SETLK, so omitted to avoid duplicate case blocks. If that changes, uncomment this */ /* case 7: Currently in musl F_SETLKW64 has same value as F_SETLKW, so omitted to avoid duplicate case blocks. If that changes, uncomment this */ return 0; // Pretend that the locking is successful. case 16: case 8: return -28; // These are for sockets. We don't have them fully implemented yet. case 9: // musl trusts getown return values, due to a bug where they must be, as they overlap with errors. just return -1 here, so fcntl() returns that, and we set errno ourselves. setErrNo(28); return -1; default: { return -28; } } } catch (e) { if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; return -e.errno; } } function ___syscall_ioctl(fd, op, varargs) { SYSCALLS.varargs = varargs; try { var stream = SYSCALLS.getStreamFromFD(fd); switch (op) { case 21509: case 21505: { if (!stream.tty) return -59; return 0; } case 21510: case 21511: case 21512: case 21506: case 21507: case 21508: { if (!stream.tty) return -59; return 0; // no-op, not actually adjusting terminal settings } case 21519: { if (!stream.tty) return -59; var argp = SYSCALLS.get(); HEAP32[((argp)>>2)] = 0; return 0; } case 21520: { if (!stream.tty) return -59; return -28; // not supported } case 21531: { var argp = SYSCALLS.get(); return FS.ioctl(stream, op, argp); } case 21523: { // TODO: in theory we should write to the winsize struct that gets // passed in, but for now musl doesn't read anything on it if (!stream.tty) return -59; return 0; } case 21524: { // TODO: technically, this ioctl call should change the window size. // but, since emscripten doesn't have any concept of a terminal window // yet, we'll just silently throw it away as we do TIOCGWINSZ if (!stream.tty) return -59; return 0; } default: return -28; // not supported } } catch (e) { if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; return -e.errno; } } function ___syscall_openat(dirfd, path, flags, varargs) { SYSCALLS.varargs = varargs; try { path = SYSCALLS.getStr(path); path = SYSCALLS.calculateAt(dirfd, path); var mode = varargs ? SYSCALLS.get() : 0; return FS.open(path, flags, mode).fd; } catch (e) { if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; return -e.errno; } } function __emscripten_date_now() { return Date.now(); } var nowIsMonotonic = true;; function __emscripten_get_now_is_monotonic() { return nowIsMonotonic; } function _emscripten_set_main_loop_timing(mode, value) { Browser.mainLoop.timingMode = mode; Browser.mainLoop.timingValue = value; if (!Browser.mainLoop.func) { err('emscripten_set_main_loop_timing: Cannot set timing mode for main loop since a main loop does not exist! Call emscripten_set_main_loop first to set one up.'); return 1; // Return non-zero on failure, can't set timing mode when there is no main loop. } if (!Browser.mainLoop.running) { Browser.mainLoop.running = true; } if (mode == 0 /*EM_TIMING_SETTIMEOUT*/) { Browser.mainLoop.scheduler = function Browser_mainLoop_scheduler_setTimeout() { var timeUntilNextTick = Math.max(0, Browser.mainLoop.tickStartTime + value - _emscripten_get_now())|0; setTimeout(Browser.mainLoop.runner, timeUntilNextTick); // doing this each time means that on exception, we stop }; Browser.mainLoop.method = 'timeout'; } else if (mode == 1 /*EM_TIMING_RAF*/) { Browser.mainLoop.scheduler = function Browser_mainLoop_scheduler_rAF() { Browser.requestAnimationFrame(Browser.mainLoop.runner); }; Browser.mainLoop.method = 'rAF'; } else if (mode == 2 /*EM_TIMING_SETIMMEDIATE*/) { if (typeof setImmediate == 'undefined') { // Emulate setImmediate. (note: not a complete polyfill, we don't emulate clearImmediate() to keep code size to minimum, since not needed) var setImmediates = []; var emscriptenMainLoopMessageId = 'setimmediate'; /** @param {Event} event */ var Browser_setImmediate_messageHandler = (event) => { // When called in current thread or Worker, the main loop ID is structured slightly different to accommodate for --proxy-to-worker runtime listening to Worker events, // so check for both cases. if (event.data === emscriptenMainLoopMessageId || event.data.target === emscriptenMainLoopMessageId) { event.stopPropagation(); setImmediates.shift()(); } }; addEventListener("message", Browser_setImmediate_messageHandler, true); setImmediate = /** @type{function(function(): ?, ...?): number} */(function Browser_emulated_setImmediate(func) { setImmediates.push(func); if (ENVIRONMENT_IS_WORKER) { if (Module['setImmediates'] === undefined) Module['setImmediates'] = []; Module['setImmediates'].push(func); postMessage({target: emscriptenMainLoopMessageId}); // In --proxy-to-worker, route the message via proxyClient.js } else postMessage(emscriptenMainLoopMessageId, "*"); // On the main thread, can just send the message to itself. }) } Browser.mainLoop.scheduler = function Browser_mainLoop_scheduler_setImmediate() { setImmediate(Browser.mainLoop.runner); }; Browser.mainLoop.method = 'immediate'; } return 0; } var _emscripten_get_now;_emscripten_get_now = () => performance.now(); ; function _proc_exit(code) { EXITSTATUS = code; if (!keepRuntimeAlive()) { if (Module['onExit']) Module['onExit'](code); ABORT = true; } quit_(code, new ExitStatus(code)); } /** @param {boolean|number=} implicit */ function exitJS(status, implicit) { EXITSTATUS = status; checkUnflushedContent(); // if exit() was called explicitly, warn the user if the runtime isn't actually being shut down if (keepRuntimeAlive() && !implicit) { var msg = 'program exited (with status: ' + status + '), but EXIT_RUNTIME is not set, so halting execution but not exiting the runtime or preventing further async execution (build with EXIT_RUNTIME=1, if you want a true shutdown)'; err(msg); } _proc_exit(status); } var _exit = exitJS; function maybeExit() { } /** * @param {number=} arg * @param {boolean=} noSetTiming */ function setMainLoop(browserIterationFunc, fps, simulateInfiniteLoop, arg, noSetTiming) { assert(!Browser.mainLoop.func, 'emscripten_set_main_loop: there can only be one main loop function at once: call emscripten_cancel_main_loop to cancel the previous one before setting a new one with different parameters.'); Browser.mainLoop.func = browserIterationFunc; Browser.mainLoop.arg = arg; var thisMainLoopId = Browser.mainLoop.currentlyRunningMainloop; function checkIsRunning() { if (thisMainLoopId < Browser.mainLoop.currentlyRunningMainloop) { maybeExit(); return false; } return true; } // We create the loop runner here but it is not actually running until // _emscripten_set_main_loop_timing is called (which might happen a // later time). This member signifies that the current runner has not // yet been started so that we can call runtimeKeepalivePush when it // gets it timing set for the first time. Browser.mainLoop.running = false; Browser.mainLoop.runner = function Browser_mainLoop_runner() { if (ABORT) return; if (Browser.mainLoop.queue.length > 0) { var start = Date.now(); var blocker = Browser.mainLoop.queue.shift(); blocker.func(blocker.arg); if (Browser.mainLoop.remainingBlockers) { var remaining = Browser.mainLoop.remainingBlockers; var next = remaining%1 == 0 ? remaining-1 : Math.floor(remaining); if (blocker.counted) { Browser.mainLoop.remainingBlockers = next; } else { // not counted, but move the progress along a tiny bit next = next + 0.5; // do not steal all the next one's progress Browser.mainLoop.remainingBlockers = (8*remaining + next)/9; } } out('main loop blocker "' + blocker.name + '" took ' + (Date.now() - start) + ' ms'); //, left: ' + Browser.mainLoop.remainingBlockers); Browser.mainLoop.updateStatus(); // catches pause/resume main loop from blocker execution if (!checkIsRunning()) return; setTimeout(Browser.mainLoop.runner, 0); return; } // catch pauses from non-main loop sources if (!checkIsRunning()) return; // Implement very basic swap interval control Browser.mainLoop.currentFrameNumber = Browser.mainLoop.currentFrameNumber + 1 | 0; if (Browser.mainLoop.timingMode == 1/*EM_TIMING_RAF*/ && Browser.mainLoop.timingValue > 1 && Browser.mainLoop.currentFrameNumber % Browser.mainLoop.timingValue != 0) { // Not the scheduled time to render this frame - skip. Browser.mainLoop.scheduler(); return; } else if (Browser.mainLoop.timingMode == 0/*EM_TIMING_SETTIMEOUT*/) { Browser.mainLoop.tickStartTime = _emscripten_get_now(); } // Signal GL rendering layer that processing of a new frame is about to start. This helps it optimize // VBO double-buffering and reduce GPU stalls. if (Browser.mainLoop.method === 'timeout' && Module.ctx) { warnOnce('Looks like you are rendering without using requestAnimationFrame for the main loop. You should use 0 for the frame rate in emscripten_set_main_loop in order to use requestAnimationFrame, as that can greatly improve your frame rates!'); Browser.mainLoop.method = ''; // just warn once per call to set main loop } Browser.mainLoop.runIter(browserIterationFunc); checkStackCookie(); // catch pauses from the main loop itself if (!checkIsRunning()) return; // Queue new audio data. This is important to be right after the main loop invocation, so that we will immediately be able // to queue the newest produced audio samples. // TODO: Consider adding pre- and post- rAF callbacks so that GL.newRenderingFrameStarted() and SDL.audio.queueNewAudioData() // do not need to be hardcoded into this function, but can be more generic. if (typeof SDL == 'object' && SDL.audio && SDL.audio.queueNewAudioData) SDL.audio.queueNewAudioData(); Browser.mainLoop.scheduler(); } if (!noSetTiming) { if (fps && fps > 0) _emscripten_set_main_loop_timing(0/*EM_TIMING_SETTIMEOUT*/, 1000.0 / fps); else _emscripten_set_main_loop_timing(1/*EM_TIMING_RAF*/, 1); // Do rAF by rendering each frame (no decimating) Browser.mainLoop.scheduler(); } if (simulateInfiniteLoop) { throw 'unwind'; } } function callUserCallback(func) { if (ABORT) { err('user callback triggered after runtime exited or application aborted. Ignoring.'); return; } try { func(); } catch (e) { handleException(e); } } /** @param {number=} timeout */ function safeSetTimeout(func, timeout) { return setTimeout(function() { callUserCallback(func); }, timeout); } var Browser = {mainLoop:{running:false,scheduler:null,method:"",currentlyRunningMainloop:0,func:null,arg:0,timingMode:0,timingValue:0,currentFrameNumber:0,queue:[],pause:function() { Browser.mainLoop.scheduler = null; // Incrementing this signals the previous main loop that it's now become old, and it must return. Browser.mainLoop.currentlyRunningMainloop++; },resume:function() { Browser.mainLoop.currentlyRunningMainloop++; var timingMode = Browser.mainLoop.timingMode; var timingValue = Browser.mainLoop.timingValue; var func = Browser.mainLoop.func; Browser.mainLoop.func = null; // do not set timing and call scheduler, we will do it on the next lines setMainLoop(func, 0, false, Browser.mainLoop.arg, true); _emscripten_set_main_loop_timing(timingMode, timingValue); Browser.mainLoop.scheduler(); },updateStatus:function() { if (Module['setStatus']) { var message = Module['statusMessage'] || 'Please wait...'; var remaining = Browser.mainLoop.remainingBlockers; var expected = Browser.mainLoop.expectedBlockers; if (remaining) { if (remaining < expected) { Module['setStatus'](message + ' (' + (expected - remaining) + '/' + expected + ')'); } else { Module['setStatus'](message); } } else { Module['setStatus'](''); } } },runIter:function(func) { if (ABORT) return; if (Module['preMainLoop']) { var preRet = Module['preMainLoop'](); if (preRet === false) { return; // |return false| skips a frame } } callUserCallback(func); if (Module['postMainLoop']) Module['postMainLoop'](); }},isFullscreen:false,pointerLock:false,moduleContextCreatedCallbacks:[],workers:[],init:function() { if (!Module["preloadPlugins"]) Module["preloadPlugins"] = []; // needs to exist even in workers if (Browser.initted) return; Browser.initted = true; try { new Blob(); Browser.hasBlobConstructor = true; } catch(e) { Browser.hasBlobConstructor = false; err("warning: no blob constructor, cannot create blobs with mimetypes"); } Browser.BlobBuilder = typeof MozBlobBuilder != "undefined" ? MozBlobBuilder : (typeof WebKitBlobBuilder != "undefined" ? WebKitBlobBuilder : (!Browser.hasBlobConstructor ? err("warning: no BlobBuilder") : null)); Browser.URLObject = typeof window != "undefined" ? (window.URL ? window.URL : window.webkitURL) : undefined; if (!Module.noImageDecoding && typeof Browser.URLObject == 'undefined') { err("warning: Browser does not support creating object URLs. Built-in browser image decoding will not be available."); Module.noImageDecoding = true; } // Support for plugins that can process preloaded files. You can add more of these to // your app by creating and appending to Module.preloadPlugins. // // Each plugin is asked if it can handle a file based on the file's name. If it can, // it is given the file's raw data. When it is done, it calls a callback with the file's // (possibly modified) data. For example, a plugin might decompress a file, or it // might create some side data structure for use later (like an Image element, etc.). var imagePlugin = {}; imagePlugin['canHandle'] = function imagePlugin_canHandle(name) { return !Module.noImageDecoding && /\.(jpg|jpeg|png|bmp)$/i.test(name); }; imagePlugin['handle'] = function imagePlugin_handle(byteArray, name, onload, onerror) { var b = null; if (Browser.hasBlobConstructor) { try { b = new Blob([byteArray], { type: Browser.getMimetype(name) }); if (b.size !== byteArray.length) { // Safari bug #118630 // Safari's Blob can only take an ArrayBuffer b = new Blob([(new Uint8Array(byteArray)).buffer], { type: Browser.getMimetype(name) }); } } catch(e) { warnOnce('Blob constructor present but fails: ' + e + '; falling back to blob builder'); } } if (!b) { var bb = new Browser.BlobBuilder(); bb.append((new Uint8Array(byteArray)).buffer); // we need to pass a buffer, and must copy the array to get the right data range b = bb.getBlob(); } var url = Browser.URLObject.createObjectURL(b); assert(typeof url == 'string', 'createObjectURL must return a url as a string'); var img = new Image(); img.onload = () => { assert(img.complete, 'Image ' + name + ' could not be decoded'); var canvas = /** @type {!HTMLCanvasElement} */ (document.createElement('canvas')); canvas.width = img.width; canvas.height = img.height; var ctx = canvas.getContext('2d'); ctx.drawImage(img, 0, 0); preloadedImages[name] = canvas; Browser.URLObject.revokeObjectURL(url); if (onload) onload(byteArray); }; img.onerror = (event) => { out('Image ' + url + ' could not be decoded'); if (onerror) onerror(); }; img.src = url; }; Module['preloadPlugins'].push(imagePlugin); var audioPlugin = {}; audioPlugin['canHandle'] = function audioPlugin_canHandle(name) { return !Module.noAudioDecoding && name.substr(-4) in { '.ogg': 1, '.wav': 1, '.mp3': 1 }; }; audioPlugin['handle'] = function audioPlugin_handle(byteArray, name, onload, onerror) { var done = false; function finish(audio) { if (done) return; done = true; preloadedAudios[name] = audio; if (onload) onload(byteArray); } function fail() { if (done) return; done = true; preloadedAudios[name] = new Audio(); // empty shim if (onerror) onerror(); } if (Browser.hasBlobConstructor) { try { var b = new Blob([byteArray], { type: Browser.getMimetype(name) }); } catch(e) { return fail(); } var url = Browser.URLObject.createObjectURL(b); // XXX we never revoke this! assert(typeof url == 'string', 'createObjectURL must return a url as a string'); var audio = new Audio(); audio.addEventListener('canplaythrough', () => finish(audio), false); // use addEventListener due to chromium bug 124926 audio.onerror = function audio_onerror(event) { if (done) return; err('warning: browser could not fully decode audio ' + name + ', trying slower base64 approach'); function encode64(data) { var BASE = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'; var PAD = '='; var ret = ''; var leftchar = 0; var leftbits = 0; for (var i = 0; i < data.length; i++) { leftchar = (leftchar << 8) | data[i]; leftbits += 8; while (leftbits >= 6) { var curr = (leftchar >> (leftbits-6)) & 0x3f; leftbits -= 6; ret += BASE[curr]; } } if (leftbits == 2) { ret += BASE[(leftchar&3) << 4]; ret += PAD + PAD; } else if (leftbits == 4) { ret += BASE[(leftchar&0xf) << 2]; ret += PAD; } return ret; } audio.src = 'data:audio/x-' + name.substr(-3) + ';base64,' + encode64(byteArray); finish(audio); // we don't wait for confirmation this worked - but it's worth trying }; audio.src = url; // workaround for chrome bug 124926 - we do not always get oncanplaythrough or onerror safeSetTimeout(function() { finish(audio); // try to use it even though it is not necessarily ready to play }, 10000); } else { return fail(); } }; Module['preloadPlugins'].push(audioPlugin); // Canvas event setup function pointerLockChange() { Browser.pointerLock = document['pointerLockElement'] === Module['canvas'] || document['mozPointerLockElement'] === Module['canvas'] || document['webkitPointerLockElement'] === Module['canvas'] || document['msPointerLockElement'] === Module['canvas']; } var canvas = Module['canvas']; if (canvas) { // forced aspect ratio can be enabled by defining 'forcedAspectRatio' on Module // Module['forcedAspectRatio'] = 4 / 3; canvas.requestPointerLock = canvas['requestPointerLock'] || canvas['mozRequestPointerLock'] || canvas['webkitRequestPointerLock'] || canvas['msRequestPointerLock'] || (() => {}); canvas.exitPointerLock = document['exitPointerLock'] || document['mozExitPointerLock'] || document['webkitExitPointerLock'] || document['msExitPointerLock'] || (() => {}); // no-op if function does not exist canvas.exitPointerLock = canvas.exitPointerLock.bind(document); document.addEventListener('pointerlockchange', pointerLockChange, false); document.addEventListener('mozpointerlockchange', pointerLockChange, false); document.addEventListener('webkitpointerlockchange', pointerLockChange, false); document.addEventListener('mspointerlockchange', pointerLockChange, false); if (Module['elementPointerLock']) { canvas.addEventListener("click", (ev) => { if (!Browser.pointerLock && Module['canvas'].requestPointerLock) { Module['canvas'].requestPointerLock(); ev.preventDefault(); } }, false); } } },handledByPreloadPlugin:function(byteArray, fullname, finish, onerror) { // Ensure plugins are ready. Browser.init(); var handled = false; Module['preloadPlugins'].forEach(function(plugin) { if (handled) return; if (plugin['canHandle'](fullname)) { plugin['handle'](byteArray, fullname, finish, onerror); handled = true; } }); return handled; },createContext:function(/** @type {HTMLCanvasElement} */ canvas, useWebGL, setInModule, webGLContextAttributes) { if (useWebGL && Module.ctx && canvas == Module.canvas) return Module.ctx; // no need to recreate GL context if it's already been created for this canvas. var ctx; var contextHandle; if (useWebGL) { // For GLES2/desktop GL compatibility, adjust a few defaults to be different to WebGL defaults, so that they align better with the desktop defaults. var contextAttributes = { antialias: false, alpha: false, majorVersion: 1, }; if (webGLContextAttributes) { for (var attribute in webGLContextAttributes) { contextAttributes[attribute] = webGLContextAttributes[attribute]; } } // This check of existence of GL is here to satisfy Closure compiler, which yells if variable GL is referenced below but GL object is not // actually compiled in because application is not doing any GL operations. TODO: Ideally if GL is not being used, this function // Browser.createContext() should not even be emitted. if (typeof GL != 'undefined') { contextHandle = GL.createContext(canvas, contextAttributes); if (contextHandle) { ctx = GL.getContext(contextHandle).GLctx; } } } else { ctx = canvas.getContext('2d'); } if (!ctx) return null; if (setInModule) { if (!useWebGL) assert(typeof GLctx == 'undefined', 'cannot set in module if GLctx is used, but we are a non-GL context that would replace it'); Module.ctx = ctx; if (useWebGL) GL.makeContextCurrent(contextHandle); Module.useWebGL = useWebGL; Browser.moduleContextCreatedCallbacks.forEach(function(callback) { callback() }); Browser.init(); } return ctx; },destroyContext:function(canvas, useWebGL, setInModule) {},fullscreenHandlersInstalled:false,lockPointer:undefined,resizeCanvas:undefined,requestFullscreen:function(lockPointer, resizeCanvas) { Browser.lockPointer = lockPointer; Browser.resizeCanvas = resizeCanvas; if (typeof Browser.lockPointer == 'undefined') Browser.lockPointer = true; if (typeof Browser.resizeCanvas == 'undefined') Browser.resizeCanvas = false; var canvas = Module['canvas']; function fullscreenChange() { Browser.isFullscreen = false; var canvasContainer = canvas.parentNode; if ((document['fullscreenElement'] || document['mozFullScreenElement'] || document['msFullscreenElement'] || document['webkitFullscreenElement'] || document['webkitCurrentFullScreenElement']) === canvasContainer) { canvas.exitFullscreen = Browser.exitFullscreen; if (Browser.lockPointer) canvas.requestPointerLock(); Browser.isFullscreen = true; if (Browser.resizeCanvas) { Browser.setFullscreenCanvasSize(); } else { Browser.updateCanvasDimensions(canvas); } } else { // remove the full screen specific parent of the canvas again to restore the HTML structure from before going full screen canvasContainer.parentNode.insertBefore(canvas, canvasContainer); canvasContainer.parentNode.removeChild(canvasContainer); if (Browser.resizeCanvas) { Browser.setWindowedCanvasSize(); } else { Browser.updateCanvasDimensions(canvas); } } if (Module['onFullScreen']) Module['onFullScreen'](Browser.isFullscreen); if (Module['onFullscreen']) Module['onFullscreen'](Browser.isFullscreen); } if (!Browser.fullscreenHandlersInstalled) { Browser.fullscreenHandlersInstalled = true; document.addEventListener('fullscreenchange', fullscreenChange, false); document.addEventListener('mozfullscreenchange', fullscreenChange, false); document.addEventListener('webkitfullscreenchange', fullscreenChange, false); document.addEventListener('MSFullscreenChange', fullscreenChange, false); } // create a new parent to ensure the canvas has no siblings. this allows browsers to optimize full screen performance when its parent is the full screen root var canvasContainer = document.createElement("div"); canvas.parentNode.insertBefore(canvasContainer, canvas); canvasContainer.appendChild(canvas); // use parent of canvas as full screen root to allow aspect ratio correction (Firefox stretches the root to screen size) canvasContainer.requestFullscreen = canvasContainer['requestFullscreen'] || canvasContainer['mozRequestFullScreen'] || canvasContainer['msRequestFullscreen'] || (canvasContainer['webkitRequestFullscreen'] ? () => canvasContainer['webkitRequestFullscreen'](Element['ALLOW_KEYBOARD_INPUT']) : null) || (canvasContainer['webkitRequestFullScreen'] ? () => canvasContainer['webkitRequestFullScreen'](Element['ALLOW_KEYBOARD_INPUT']) : null); canvasContainer.requestFullscreen(); },requestFullScreen:function() { abort('Module.requestFullScreen has been replaced by Module.requestFullscreen (without a capital S)'); },exitFullscreen:function() { // This is workaround for chrome. Trying to exit from fullscreen // not in fullscreen state will cause "TypeError: Document not active" // in chrome. See https://github.com/emscripten-core/emscripten/pull/8236 if (!Browser.isFullscreen) { return false; } var CFS = document['exitFullscreen'] || document['cancelFullScreen'] || document['mozCancelFullScreen'] || document['msExitFullscreen'] || document['webkitCancelFullScreen'] || (function() {}); CFS.apply(document, []); return true; },nextRAF:0,fakeRequestAnimationFrame:function(func) { // try to keep 60fps between calls to here var now = Date.now(); if (Browser.nextRAF === 0) { Browser.nextRAF = now + 1000/60; } else { while (now + 2 >= Browser.nextRAF) { // fudge a little, to avoid timer jitter causing us to do lots of delay:0 Browser.nextRAF += 1000/60; } } var delay = Math.max(Browser.nextRAF - now, 0); setTimeout(func, delay); },requestAnimationFrame:function(func) { if (typeof requestAnimationFrame == 'function') { requestAnimationFrame(func); return; } var RAF = Browser.fakeRequestAnimationFrame; RAF(func); },safeSetTimeout:function(func) { // Legacy function, this is used by the SDL2 port so we need to keep it // around at least until that is updated. return safeSetTimeout(func); },safeRequestAnimationFrame:function(func) { return Browser.requestAnimationFrame(function() { callUserCallback(func); }); },getMimetype:function(name) { return { 'jpg': 'image/jpeg', 'jpeg': 'image/jpeg', 'png': 'image/png', 'bmp': 'image/bmp', 'ogg': 'audio/ogg', 'wav': 'audio/wav', 'mp3': 'audio/mpeg' }[name.substr(name.lastIndexOf('.')+1)]; },getUserMedia:function(func) { if (!window.getUserMedia) { window.getUserMedia = navigator['getUserMedia'] || navigator['mozGetUserMedia']; } window.getUserMedia(func); },getMovementX:function(event) { return event['movementX'] || event['mozMovementX'] || event['webkitMovementX'] || 0; },getMovementY:function(event) { return event['movementY'] || event['mozMovementY'] || event['webkitMovementY'] || 0; },getMouseWheelDelta:function(event) { var delta = 0; switch (event.type) { case 'DOMMouseScroll': // 3 lines make up a step delta = event.detail / 3; break; case 'mousewheel': // 120 units make up a step delta = event.wheelDelta / 120; break; case 'wheel': delta = event.deltaY switch (event.deltaMode) { case 0: // DOM_DELTA_PIXEL: 100 pixels make up a step delta /= 100; break; case 1: // DOM_DELTA_LINE: 3 lines make up a step delta /= 3; break; case 2: // DOM_DELTA_PAGE: A page makes up 80 steps delta *= 80; break; default: throw 'unrecognized mouse wheel delta mode: ' + event.deltaMode; } break; default: throw 'unrecognized mouse wheel event: ' + event.type; } return delta; },mouseX:0,mouseY:0,mouseMovementX:0,mouseMovementY:0,touches:{},lastTouches:{},calculateMouseEvent:function(event) { // event should be mousemove, mousedown or mouseup if (Browser.pointerLock) { // When the pointer is locked, calculate the coordinates // based on the movement of the mouse. // Workaround for Firefox bug 764498 if (event.type != 'mousemove' && ('mozMovementX' in event)) { Browser.mouseMovementX = Browser.mouseMovementY = 0; } else { Browser.mouseMovementX = Browser.getMovementX(event); Browser.mouseMovementY = Browser.getMovementY(event); } // check if SDL is available if (typeof SDL != "undefined") { Browser.mouseX = SDL.mouseX + Browser.mouseMovementX; Browser.mouseY = SDL.mouseY + Browser.mouseMovementY; } else { // just add the mouse delta to the current absolut mouse position // FIXME: ideally this should be clamped against the canvas size and zero Browser.mouseX += Browser.mouseMovementX; Browser.mouseY += Browser.mouseMovementY; } } else { // Otherwise, calculate the movement based on the changes // in the coordinates. var rect = Module["canvas"].getBoundingClientRect(); var cw = Module["canvas"].width; var ch = Module["canvas"].height; // Neither .scrollX or .pageXOffset are defined in a spec, but // we prefer .scrollX because it is currently in a spec draft. // (see: http://www.w3.org/TR/2013/WD-cssom-view-20131217/) var scrollX = ((typeof window.scrollX != 'undefined') ? window.scrollX : window.pageXOffset); var scrollY = ((typeof window.scrollY != 'undefined') ? window.scrollY : window.pageYOffset); // If this assert lands, it's likely because the browser doesn't support scrollX or pageXOffset // and we have no viable fallback. assert((typeof scrollX != 'undefined') && (typeof scrollY != 'undefined'), 'Unable to retrieve scroll position, mouse positions likely broken.'); if (event.type === 'touchstart' || event.type === 'touchend' || event.type === 'touchmove') { var touch = event.touch; if (touch === undefined) { return; // the "touch" property is only defined in SDL } var adjustedX = touch.pageX - (scrollX + rect.left); var adjustedY = touch.pageY - (scrollY + rect.top); adjustedX = adjustedX * (cw / rect.width); adjustedY = adjustedY * (ch / rect.height); var coords = { x: adjustedX, y: adjustedY }; if (event.type === 'touchstart') { Browser.lastTouches[touch.identifier] = coords; Browser.touches[touch.identifier] = coords; } else if (event.type === 'touchend' || event.type === 'touchmove') { var last = Browser.touches[touch.identifier]; if (!last) last = coords; Browser.lastTouches[touch.identifier] = last; Browser.touches[touch.identifier] = coords; } return; } var x = event.pageX - (scrollX + rect.left); var y = event.pageY - (scrollY + rect.top); // the canvas might be CSS-scaled compared to its backbuffer; // SDL-using content will want mouse coordinates in terms // of backbuffer units. x = x * (cw / rect.width); y = y * (ch / rect.height); Browser.mouseMovementX = x - Browser.mouseX; Browser.mouseMovementY = y - Browser.mouseY; Browser.mouseX = x; Browser.mouseY = y; } },resizeListeners:[],updateResizeListeners:function() { var canvas = Module['canvas']; Browser.resizeListeners.forEach(function(listener) { listener(canvas.width, canvas.height); }); },setCanvasSize:function(width, height, noUpdates) { var canvas = Module['canvas']; Browser.updateCanvasDimensions(canvas, width, height); if (!noUpdates) Browser.updateResizeListeners(); },windowedWidth:0,windowedHeight:0,setFullscreenCanvasSize:function() { // check if SDL is available if (typeof SDL != "undefined") { var flags = HEAPU32[((SDL.screen)>>2)]; flags = flags | 0x00800000; // set SDL_FULLSCREEN flag HEAP32[((SDL.screen)>>2)] = flags; } Browser.updateCanvasDimensions(Module['canvas']); Browser.updateResizeListeners(); },setWindowedCanvasSize:function() { // check if SDL is available if (typeof SDL != "undefined") { var flags = HEAPU32[((SDL.screen)>>2)]; flags = flags & ~0x00800000; // clear SDL_FULLSCREEN flag HEAP32[((SDL.screen)>>2)] = flags; } Browser.updateCanvasDimensions(Module['canvas']); Browser.updateResizeListeners(); },updateCanvasDimensions:function(canvas, wNative, hNative) { if (wNative && hNative) { canvas.widthNative = wNative; canvas.heightNative = hNative; } else { wNative = canvas.widthNative; hNative = canvas.heightNative; } var w = wNative; var h = hNative; if (Module['forcedAspectRatio'] && Module['forcedAspectRatio'] > 0) { if (w/h < Module['forcedAspectRatio']) { w = Math.round(h * Module['forcedAspectRatio']); } else { h = Math.round(w / Module['forcedAspectRatio']); } } if (((document['fullscreenElement'] || document['mozFullScreenElement'] || document['msFullscreenElement'] || document['webkitFullscreenElement'] || document['webkitCurrentFullScreenElement']) === canvas.parentNode) && (typeof screen != 'undefined')) { var factor = Math.min(screen.width / w, screen.height / h); w = Math.round(w * factor); h = Math.round(h * factor); } if (Browser.resizeCanvas) { if (canvas.width != w) canvas.width = w; if (canvas.height != h) canvas.height = h; if (typeof canvas.style != 'undefined') { canvas.style.removeProperty( "width"); canvas.style.removeProperty("height"); } } else { if (canvas.width != wNative) canvas.width = wNative; if (canvas.height != hNative) canvas.height = hNative; if (typeof canvas.style != 'undefined') { if (w != wNative || h != hNative) { canvas.style.setProperty( "width", w + "px", "important"); canvas.style.setProperty("height", h + "px", "important"); } else { canvas.style.removeProperty( "width"); canvas.style.removeProperty("height"); } } } }}; var EGL = {errorCode:12288,defaultDisplayInitialized:false,currentContext:0,currentReadSurface:0,currentDrawSurface:0,contextAttributes:{alpha:false,depth:false,stencil:false,antialias:false},stringCache:{},setErrorCode:function(code) { EGL.errorCode = code; },chooseConfig:function(display, attribList, config, config_size, numConfigs) { if (display != 62000 /* Magic ID for Emscripten 'default display' */) { EGL.setErrorCode(0x3008 /* EGL_BAD_DISPLAY */); return 0; } if (attribList) { // read attribList if it is non-null for (;;) { var param = HEAP32[((attribList)>>2)]; if (param == 0x3021 /*EGL_ALPHA_SIZE*/) { var alphaSize = HEAP32[(((attribList)+(4))>>2)]; EGL.contextAttributes.alpha = (alphaSize > 0); } else if (param == 0x3025 /*EGL_DEPTH_SIZE*/) { var depthSize = HEAP32[(((attribList)+(4))>>2)]; EGL.contextAttributes.depth = (depthSize > 0); } else if (param == 0x3026 /*EGL_STENCIL_SIZE*/) { var stencilSize = HEAP32[(((attribList)+(4))>>2)]; EGL.contextAttributes.stencil = (stencilSize > 0); } else if (param == 0x3031 /*EGL_SAMPLES*/) { var samples = HEAP32[(((attribList)+(4))>>2)]; EGL.contextAttributes.antialias = (samples > 0); } else if (param == 0x3032 /*EGL_SAMPLE_BUFFERS*/) { var samples = HEAP32[(((attribList)+(4))>>2)]; EGL.contextAttributes.antialias = (samples == 1); } else if (param == 0x3100 /*EGL_CONTEXT_PRIORITY_LEVEL_IMG*/) { var requestedPriority = HEAP32[(((attribList)+(4))>>2)]; EGL.contextAttributes.lowLatency = (requestedPriority != 0x3103 /*EGL_CONTEXT_PRIORITY_LOW_IMG*/); } else if (param == 0x3038 /*EGL_NONE*/) { break; } attribList += 8; } } if ((!config || !config_size) && !numConfigs) { EGL.setErrorCode(0x300C /* EGL_BAD_PARAMETER */); return 0; } if (numConfigs) { HEAP32[((numConfigs)>>2)] = 1; // Total number of supported configs: 1. } if (config && config_size > 0) { HEAP32[((config)>>2)] = 62002; } EGL.setErrorCode(0x3000 /* EGL_SUCCESS */); return 1; }}; function _eglBindAPI(api) { if (api == 0x30A0 /* EGL_OPENGL_ES_API */) { EGL.setErrorCode(0x3000 /* EGL_SUCCESS */); return 1; } // if (api == 0x30A1 /* EGL_OPENVG_API */ || api == 0x30A2 /* EGL_OPENGL_API */) { EGL.setErrorCode(0x300C /* EGL_BAD_PARAMETER */); return 0; } function _eglChooseConfig(display, attrib_list, configs, config_size, numConfigs) { return EGL.chooseConfig(display, attrib_list, configs, config_size, numConfigs); } function __webgl_enable_ANGLE_instanced_arrays(ctx) { // Extension available in WebGL 1 from Firefox 26 and Google Chrome 30 onwards. Core feature in WebGL 2. var ext = ctx.getExtension('ANGLE_instanced_arrays'); if (ext) { ctx['vertexAttribDivisor'] = function(index, divisor) { ext['vertexAttribDivisorANGLE'](index, divisor); }; ctx['drawArraysInstanced'] = function(mode, first, count, primcount) { ext['drawArraysInstancedANGLE'](mode, first, count, primcount); }; ctx['drawElementsInstanced'] = function(mode, count, type, indices, primcount) { ext['drawElementsInstancedANGLE'](mode, count, type, indices, primcount); }; return 1; } } function __webgl_enable_OES_vertex_array_object(ctx) { // Extension available in WebGL 1 from Firefox 25 and WebKit 536.28/desktop Safari 6.0.3 onwards. Core feature in WebGL 2. var ext = ctx.getExtension('OES_vertex_array_object'); if (ext) { ctx['createVertexArray'] = function() { return ext['createVertexArrayOES'](); }; ctx['deleteVertexArray'] = function(vao) { ext['deleteVertexArrayOES'](vao); }; ctx['bindVertexArray'] = function(vao) { ext['bindVertexArrayOES'](vao); }; ctx['isVertexArray'] = function(vao) { return ext['isVertexArrayOES'](vao); }; return 1; } } function __webgl_enable_WEBGL_draw_buffers(ctx) { // Extension available in WebGL 1 from Firefox 28 onwards. Core feature in WebGL 2. var ext = ctx.getExtension('WEBGL_draw_buffers'); if (ext) { ctx['drawBuffers'] = function(n, bufs) { ext['drawBuffersWEBGL'](n, bufs); }; return 1; } } function __webgl_enable_WEBGL_multi_draw(ctx) { // Closure is expected to be allowed to minify the '.multiDrawWebgl' property, so not accessing it quoted. return !!(ctx.multiDrawWebgl = ctx.getExtension('WEBGL_multi_draw')); } var GL = {counter:1,buffers:[],programs:[],framebuffers:[],renderbuffers:[],textures:[],shaders:[],vaos:[],contexts:[],offscreenCanvases:{},queries:[],stringCache:{},unpackAlignment:4,recordError:function recordError(errorCode) { if (!GL.lastError) { GL.lastError = errorCode; } },getNewId:function(table) { var ret = GL.counter++; for (var i = table.length; i < ret; i++) { table[i] = null; } return ret; },getSource:function(shader, count, string, length) { var source = ''; for (var i = 0; i < count; ++i) { var len = length ? HEAP32[(((length)+(i*4))>>2)] : -1; source += UTF8ToString(HEAP32[(((string)+(i*4))>>2)], len < 0 ? undefined : len); } return source; },createContext:function(/** @type {HTMLCanvasElement} */ canvas, webGLContextAttributes) { // BUG: Workaround Safari WebGL issue: After successfully acquiring WebGL context on a canvas, // calling .getContext() will always return that context independent of which 'webgl' or 'webgl2' // context version was passed. See https://bugs.webkit.org/show_bug.cgi?id=222758 and // https://github.com/emscripten-core/emscripten/issues/13295. // TODO: Once the bug is fixed and shipped in Safari, adjust the Safari version field in above check. if (!canvas.getContextSafariWebGL2Fixed) { canvas.getContextSafariWebGL2Fixed = canvas.getContext; /** @type {function(this:HTMLCanvasElement, string, (Object|null)=): (Object|null)} */ function fixedGetContext(ver, attrs) { var gl = canvas.getContextSafariWebGL2Fixed(ver, attrs); return ((ver == 'webgl') == (gl instanceof WebGLRenderingContext)) ? gl : null; } canvas.getContext = fixedGetContext; } var ctx = (canvas.getContext("webgl", webGLContextAttributes) // https://caniuse.com/#feat=webgl ); if (!ctx) return 0; var handle = GL.registerContext(ctx, webGLContextAttributes); return handle; },registerContext:function(ctx, webGLContextAttributes) { // without pthreads a context is just an integer ID var handle = GL.getNewId(GL.contexts); var context = { handle: handle, attributes: webGLContextAttributes, version: webGLContextAttributes.majorVersion, GLctx: ctx }; // Store the created context object so that we can access the context given a canvas without having to pass the parameters again. if (ctx.canvas) ctx.canvas.GLctxObject = context; GL.contexts[handle] = context; if (typeof webGLContextAttributes.enableExtensionsByDefault == 'undefined' || webGLContextAttributes.enableExtensionsByDefault) { GL.initExtensions(context); } return handle; },makeContextCurrent:function(contextHandle) { GL.currentContext = GL.contexts[contextHandle]; // Active Emscripten GL layer context object. Module.ctx = GLctx = GL.currentContext && GL.currentContext.GLctx; // Active WebGL context object. return !(contextHandle && !GLctx); },getContext:function(contextHandle) { return GL.contexts[contextHandle]; },deleteContext:function(contextHandle) { if (GL.currentContext === GL.contexts[contextHandle]) GL.currentContext = null; if (typeof JSEvents == 'object') JSEvents.removeAllHandlersOnTarget(GL.contexts[contextHandle].GLctx.canvas); // Release all JS event handlers on the DOM element that the GL context is associated with since the context is now deleted. if (GL.contexts[contextHandle] && GL.contexts[contextHandle].GLctx.canvas) GL.contexts[contextHandle].GLctx.canvas.GLctxObject = undefined; // Make sure the canvas object no longer refers to the context object so there are no GC surprises. GL.contexts[contextHandle] = null; },initExtensions:function(context) { // If this function is called without a specific context object, init the extensions of the currently active context. if (!context) context = GL.currentContext; if (context.initExtensionsDone) return; context.initExtensionsDone = true; var GLctx = context.GLctx; // Detect the presence of a few extensions manually, this GL interop layer itself will need to know if they exist. // Extensions that are only available in WebGL 1 (the calls will be no-ops if called on a WebGL 2 context active) __webgl_enable_ANGLE_instanced_arrays(GLctx); __webgl_enable_OES_vertex_array_object(GLctx); __webgl_enable_WEBGL_draw_buffers(GLctx); { GLctx.disjointTimerQueryExt = GLctx.getExtension("EXT_disjoint_timer_query"); } __webgl_enable_WEBGL_multi_draw(GLctx); // .getSupportedExtensions() can return null if context is lost, so coerce to empty array. var exts = GLctx.getSupportedExtensions() || []; exts.forEach(function(ext) { // WEBGL_lose_context, WEBGL_debug_renderer_info and WEBGL_debug_shaders are not enabled by default. if (!ext.includes('lose_context') && !ext.includes('debug')) { // Call .getExtension() to enable that extension permanently. GLctx.getExtension(ext); } }); }}; function _eglCreateContext(display, config, hmm, contextAttribs) { if (display != 62000 /* Magic ID for Emscripten 'default display' */) { EGL.setErrorCode(0x3008 /* EGL_BAD_DISPLAY */); return 0; } // EGL 1.4 spec says default EGL_CONTEXT_CLIENT_VERSION is GLES1, but this is not supported by Emscripten. // So user must pass EGL_CONTEXT_CLIENT_VERSION == 2 to initialize EGL. var glesContextVersion = 1; for (;;) { var param = HEAP32[((contextAttribs)>>2)]; if (param == 0x3098 /*EGL_CONTEXT_CLIENT_VERSION*/) { glesContextVersion = HEAP32[(((contextAttribs)+(4))>>2)]; } else if (param == 0x3038 /*EGL_NONE*/) { break; } else { /* EGL1.4 specifies only EGL_CONTEXT_CLIENT_VERSION as supported attribute */ EGL.setErrorCode(0x3004 /*EGL_BAD_ATTRIBUTE*/); return 0; } contextAttribs += 8; } if (glesContextVersion != 2) { EGL.setErrorCode(0x3005 /* EGL_BAD_CONFIG */); return 0; /* EGL_NO_CONTEXT */ } EGL.contextAttributes.majorVersion = glesContextVersion - 1; // WebGL 1 is GLES 2, WebGL2 is GLES3 EGL.contextAttributes.minorVersion = 0; EGL.context = GL.createContext(Module['canvas'], EGL.contextAttributes); if (EGL.context != 0) { EGL.setErrorCode(0x3000 /* EGL_SUCCESS */); // Run callbacks so that GL emulation works GL.makeContextCurrent(EGL.context); Module.useWebGL = true; Browser.moduleContextCreatedCallbacks.forEach(function(callback) { callback() }); // Note: This function only creates a context, but it shall not make it active. GL.makeContextCurrent(null); return 62004; // Magic ID for Emscripten EGLContext } else { EGL.setErrorCode(0x3009 /* EGL_BAD_MATCH */); // By the EGL 1.4 spec, an implementation that does not support GLES2 (WebGL in this case), this error code is set. return 0; /* EGL_NO_CONTEXT */ } } function _eglCreateWindowSurface(display, config, win, attrib_list) { if (display != 62000 /* Magic ID for Emscripten 'default display' */) { EGL.setErrorCode(0x3008 /* EGL_BAD_DISPLAY */); return 0; } if (config != 62002 /* Magic ID for the only EGLConfig supported by Emscripten */) { EGL.setErrorCode(0x3005 /* EGL_BAD_CONFIG */); return 0; } // TODO: Examine attrib_list! Parameters that can be present there are: // - EGL_RENDER_BUFFER (must be EGL_BACK_BUFFER) // - EGL_VG_COLORSPACE (can't be set) // - EGL_VG_ALPHA_FORMAT (can't be set) EGL.setErrorCode(0x3000 /* EGL_SUCCESS */); return 62006; /* Magic ID for Emscripten 'default surface' */ } function _eglDestroyContext(display, context) { if (display != 62000 /* Magic ID for Emscripten 'default display' */) { EGL.setErrorCode(0x3008 /* EGL_BAD_DISPLAY */); return 0; } if (context != 62004 /* Magic ID for Emscripten EGLContext */) { EGL.setErrorCode(0x3006 /* EGL_BAD_CONTEXT */); return 0; } GL.deleteContext(EGL.context); EGL.setErrorCode(0x3000 /* EGL_SUCCESS */); if (EGL.currentContext == context) { EGL.currentContext = 0; } return 1 /* EGL_TRUE */; } function _eglDestroySurface(display, surface) { if (display != 62000 /* Magic ID for Emscripten 'default display' */) { EGL.setErrorCode(0x3008 /* EGL_BAD_DISPLAY */); return 0; } if (surface != 62006 /* Magic ID for the only EGLSurface supported by Emscripten */) { EGL.setErrorCode(0x300D /* EGL_BAD_SURFACE */); return 1; } if (EGL.currentReadSurface == surface) { EGL.currentReadSurface = 0; } if (EGL.currentDrawSurface == surface) { EGL.currentDrawSurface = 0; } EGL.setErrorCode(0x3000 /* EGL_SUCCESS */); return 1; /* Magic ID for Emscripten 'default surface' */ } function _eglGetConfigAttrib(display, config, attribute, value) { if (display != 62000 /* Magic ID for Emscripten 'default display' */) { EGL.setErrorCode(0x3008 /* EGL_BAD_DISPLAY */); return 0; } if (config != 62002 /* Magic ID for the only EGLConfig supported by Emscripten */) { EGL.setErrorCode(0x3005 /* EGL_BAD_CONFIG */); return 0; } if (!value) { EGL.setErrorCode(0x300C /* EGL_BAD_PARAMETER */); return 0; } EGL.setErrorCode(0x3000 /* EGL_SUCCESS */); switch (attribute) { case 0x3020: // EGL_BUFFER_SIZE HEAP32[((value)>>2)] = EGL.contextAttributes.alpha ? 32 : 24; return 1; case 0x3021: // EGL_ALPHA_SIZE HEAP32[((value)>>2)] = EGL.contextAttributes.alpha ? 8 : 0; return 1; case 0x3022: // EGL_BLUE_SIZE HEAP32[((value)>>2)] = 8; return 1; case 0x3023: // EGL_GREEN_SIZE HEAP32[((value)>>2)] = 8; return 1; case 0x3024: // EGL_RED_SIZE HEAP32[((value)>>2)] = 8; return 1; case 0x3025: // EGL_DEPTH_SIZE HEAP32[((value)>>2)] = EGL.contextAttributes.depth ? 24 : 0; return 1; case 0x3026: // EGL_STENCIL_SIZE HEAP32[((value)>>2)] = EGL.contextAttributes.stencil ? 8 : 0; return 1; case 0x3027: // EGL_CONFIG_CAVEAT // We can return here one of EGL_NONE (0x3038), EGL_SLOW_CONFIG (0x3050) or EGL_NON_CONFORMANT_CONFIG (0x3051). HEAP32[((value)>>2)] = 0x3038; return 1; case 0x3028: // EGL_CONFIG_ID HEAP32[((value)>>2)] = 62002; return 1; case 0x3029: // EGL_LEVEL HEAP32[((value)>>2)] = 0; return 1; case 0x302A: // EGL_MAX_PBUFFER_HEIGHT HEAP32[((value)>>2)] = 4096; return 1; case 0x302B: // EGL_MAX_PBUFFER_PIXELS HEAP32[((value)>>2)] = 16777216; return 1; case 0x302C: // EGL_MAX_PBUFFER_WIDTH HEAP32[((value)>>2)] = 4096; return 1; case 0x302D: // EGL_NATIVE_RENDERABLE HEAP32[((value)>>2)] = 0; return 1; case 0x302E: // EGL_NATIVE_VISUAL_ID HEAP32[((value)>>2)] = 0; return 1; case 0x302F: // EGL_NATIVE_VISUAL_TYPE HEAP32[((value)>>2)] = 0x3038; return 1; case 0x3031: // EGL_SAMPLES HEAP32[((value)>>2)] = EGL.contextAttributes.antialias ? 4 : 0; return 1; case 0x3032: // EGL_SAMPLE_BUFFERS HEAP32[((value)>>2)] = EGL.contextAttributes.antialias ? 1 : 0; return 1; case 0x3033: // EGL_SURFACE_TYPE HEAP32[((value)>>2)] = 0x4; return 1; case 0x3034: // EGL_TRANSPARENT_TYPE // If this returns EGL_TRANSPARENT_RGB (0x3052), transparency is used through color-keying. No such thing applies to Emscripten canvas. HEAP32[((value)>>2)] = 0x3038; return 1; case 0x3035: // EGL_TRANSPARENT_BLUE_VALUE case 0x3036: // EGL_TRANSPARENT_GREEN_VALUE case 0x3037: // EGL_TRANSPARENT_RED_VALUE // "If EGL_TRANSPARENT_TYPE is EGL_NONE, then the values for EGL_TRANSPARENT_RED_VALUE, EGL_TRANSPARENT_GREEN_VALUE, and EGL_TRANSPARENT_BLUE_VALUE are undefined." HEAP32[((value)>>2)] = -1; return 1; case 0x3039: // EGL_BIND_TO_TEXTURE_RGB case 0x303A: // EGL_BIND_TO_TEXTURE_RGBA HEAP32[((value)>>2)] = 0; return 1; case 0x303B: // EGL_MIN_SWAP_INTERVAL HEAP32[((value)>>2)] = 0; return 1; case 0x303C: // EGL_MAX_SWAP_INTERVAL HEAP32[((value)>>2)] = 1; return 1; case 0x303D: // EGL_LUMINANCE_SIZE case 0x303E: // EGL_ALPHA_MASK_SIZE HEAP32[((value)>>2)] = 0; return 1; case 0x303F: // EGL_COLOR_BUFFER_TYPE // EGL has two types of buffers: EGL_RGB_BUFFER and EGL_LUMINANCE_BUFFER. HEAP32[((value)>>2)] = 0x308E; return 1; case 0x3040: // EGL_RENDERABLE_TYPE // A bit combination of EGL_OPENGL_ES_BIT,EGL_OPENVG_BIT,EGL_OPENGL_ES2_BIT and EGL_OPENGL_BIT. HEAP32[((value)>>2)] = 0x4; return 1; case 0x3042: // EGL_CONFORMANT // "EGL_CONFORMANT is a mask indicating if a client API context created with respect to the corresponding EGLConfig will pass the required conformance tests for that API." HEAP32[((value)>>2)] = 0; return 1; default: EGL.setErrorCode(0x3004 /* EGL_BAD_ATTRIBUTE */); return 0; } } function _eglGetDisplay(nativeDisplayType) { EGL.setErrorCode(0x3000 /* EGL_SUCCESS */); // Note: As a 'conformant' implementation of EGL, we would prefer to init here only if the user // calls this function with EGL_DEFAULT_DISPLAY. Other display IDs would be preferred to be unsupported // and EGL_NO_DISPLAY returned. Uncomment the following code lines to do this. // Instead, an alternative route has been preferred, namely that the Emscripten EGL implementation // "emulates" X11, and eglGetDisplay is expected to accept/receive a pointer to an X11 Display object. // Therefore, be lax and allow anything to be passed in, and return the magic handle to our default EGLDisplay object. // if (nativeDisplayType == 0 /* EGL_DEFAULT_DISPLAY */) { return 62000; // Magic ID for Emscripten 'default display' // } // else // return 0; // EGL_NO_DISPLAY } function _eglGetError() { return EGL.errorCode; } function _eglInitialize(display, majorVersion, minorVersion) { if (display != 62000 /* Magic ID for Emscripten 'default display' */) { EGL.setErrorCode(0x3008 /* EGL_BAD_DISPLAY */); return 0; } if (majorVersion) { HEAP32[((majorVersion)>>2)] = 1; // Advertise EGL Major version: '1' } if (minorVersion) { HEAP32[((minorVersion)>>2)] = 4; // Advertise EGL Minor version: '4' } EGL.defaultDisplayInitialized = true; EGL.setErrorCode(0x3000 /* EGL_SUCCESS */); return 1; } function _eglMakeCurrent(display, draw, read, context) { if (display != 62000 /* Magic ID for Emscripten 'default display' */) { EGL.setErrorCode(0x3008 /* EGL_BAD_DISPLAY */); return 0 /* EGL_FALSE */; } //\todo An EGL_NOT_INITIALIZED error is generated if EGL is not initialized for dpy. if (context != 0 && context != 62004 /* Magic ID for Emscripten EGLContext */) { EGL.setErrorCode(0x3006 /* EGL_BAD_CONTEXT */); return 0; } if ((read != 0 && read != 62006) || (draw != 0 && draw != 62006 /* Magic ID for Emscripten 'default surface' */)) { EGL.setErrorCode(0x300D /* EGL_BAD_SURFACE */); return 0; } GL.makeContextCurrent(context ? EGL.context : null); EGL.currentContext = context; EGL.currentDrawSurface = draw; EGL.currentReadSurface = read; EGL.setErrorCode(0x3000 /* EGL_SUCCESS */); return 1 /* EGL_TRUE */; } function allocateUTF8(str) { var size = lengthBytesUTF8(str) + 1; var ret = _malloc(size); if (ret) stringToUTF8Array(str, HEAP8, ret, size); return ret; } function _eglQueryString(display, name) { if (display != 62000 /* Magic ID for Emscripten 'default display' */) { EGL.setErrorCode(0x3008 /* EGL_BAD_DISPLAY */); return 0; } //\todo An EGL_NOT_INITIALIZED error is generated if EGL is not initialized for dpy. EGL.setErrorCode(0x3000 /* EGL_SUCCESS */); if (EGL.stringCache[name]) return EGL.stringCache[name]; var ret; switch (name) { case 0x3053 /* EGL_VENDOR */: ret = allocateUTF8("Emscripten"); break; case 0x3054 /* EGL_VERSION */: ret = allocateUTF8("1.4 Emscripten EGL"); break; case 0x3055 /* EGL_EXTENSIONS */: ret = allocateUTF8(""); break; // Currently not supporting any EGL extensions. case 0x308D /* EGL_CLIENT_APIS */: ret = allocateUTF8("OpenGL_ES"); break; default: EGL.setErrorCode(0x300C /* EGL_BAD_PARAMETER */); return 0; } EGL.stringCache[name] = ret; return ret; } function _eglSwapBuffers() { if (!EGL.defaultDisplayInitialized) { EGL.setErrorCode(0x3001 /* EGL_NOT_INITIALIZED */); } else if (!Module.ctx) { EGL.setErrorCode(0x3002 /* EGL_BAD_ACCESS */); } else if (Module.ctx.isContextLost()) { EGL.setErrorCode(0x300E /* EGL_CONTEXT_LOST */); } else { // According to documentation this does an implicit flush. // Due to discussion at https://github.com/emscripten-core/emscripten/pull/1871 // the flush was removed since this _may_ result in slowing code down. //_glFlush(); EGL.setErrorCode(0x3000 /* EGL_SUCCESS */); return 1 /* EGL_TRUE */; } return 0 /* EGL_FALSE */; } function _eglSwapInterval(display, interval) { if (display != 62000 /* Magic ID for Emscripten 'default display' */) { EGL.setErrorCode(0x3008 /* EGL_BAD_DISPLAY */); return 0; } if (interval == 0) _emscripten_set_main_loop_timing(0/*EM_TIMING_SETTIMEOUT*/, 0); else _emscripten_set_main_loop_timing(1/*EM_TIMING_RAF*/, interval); EGL.setErrorCode(0x3000 /* EGL_SUCCESS */); return 1; } function _eglTerminate(display) { if (display != 62000 /* Magic ID for Emscripten 'default display' */) { EGL.setErrorCode(0x3008 /* EGL_BAD_DISPLAY */); return 0; } EGL.currentContext = 0; EGL.currentReadSurface = 0; EGL.currentDrawSurface = 0; EGL.defaultDisplayInitialized = false; EGL.setErrorCode(0x3000 /* EGL_SUCCESS */); return 1; } function _eglWaitClient() { EGL.setErrorCode(0x3000 /* EGL_SUCCESS */); return 1; } var _eglWaitGL = _eglWaitClient; function _eglWaitNative(nativeEngineId) { EGL.setErrorCode(0x3000 /* EGL_SUCCESS */); return 1; } var readAsmConstArgsArray = []; function readAsmConstArgs(sigPtr, buf) { // Nobody should have mutated _readAsmConstArgsArray underneath us to be something else than an array. assert(Array.isArray(readAsmConstArgsArray)); // The input buffer is allocated on the stack, so it must be stack-aligned. assert(buf % 16 == 0); readAsmConstArgsArray.length = 0; var ch; // Most arguments are i32s, so shift the buffer pointer so it is a plain // index into HEAP32. buf >>= 2; while (ch = HEAPU8[sigPtr++]) { var chr = String.fromCharCode(ch); var validChars = ['d', 'f', 'i']; assert(validChars.includes(chr), 'Invalid character ' + ch + '("' + chr + '") in readAsmConstArgs! Use only [' + validChars + '], and do not specify "v" for void return argument.'); // Floats are always passed as doubles, and doubles and int64s take up 8 // bytes (two 32-bit slots) in memory, align reads to these: buf += (ch != 105/*i*/) & buf; readAsmConstArgsArray.push( ch == 105/*i*/ ? HEAP32[buf] : HEAPF64[buf++ >> 1] ); ++buf; } return readAsmConstArgsArray; } function _emscripten_asm_const_int(code, sigPtr, argbuf) { var args = readAsmConstArgs(sigPtr, argbuf); if (!ASM_CONSTS.hasOwnProperty(code)) abort('No EM_ASM constant found at address ' + code); return ASM_CONSTS[code].apply(null, args); } function mainThreadEM_ASM(code, sigPtr, argbuf, sync) { var args = readAsmConstArgs(sigPtr, argbuf); if (!ASM_CONSTS.hasOwnProperty(code)) abort('No EM_ASM constant found at address ' + code); return ASM_CONSTS[code].apply(null, args); } function _emscripten_asm_const_int_sync_on_main_thread(code, sigPtr, argbuf) { return mainThreadEM_ASM(code, sigPtr, argbuf, 1); } var JSEvents = {inEventHandler:0,removeAllEventListeners:function() { for (var i = JSEvents.eventHandlers.length-1; i >= 0; --i) { JSEvents._removeHandler(i); } JSEvents.eventHandlers = []; JSEvents.deferredCalls = []; },registerRemoveEventListeners:function() { if (!JSEvents.removeEventListenersRegistered) { __ATEXIT__.push(JSEvents.removeAllEventListeners); JSEvents.removeEventListenersRegistered = true; } },deferredCalls:[],deferCall:function(targetFunction, precedence, argsList) { function arraysHaveEqualContent(arrA, arrB) { if (arrA.length != arrB.length) return false; for (var i in arrA) { if (arrA[i] != arrB[i]) return false; } return true; } // Test if the given call was already queued, and if so, don't add it again. for (var i in JSEvents.deferredCalls) { var call = JSEvents.deferredCalls[i]; if (call.targetFunction == targetFunction && arraysHaveEqualContent(call.argsList, argsList)) { return; } } JSEvents.deferredCalls.push({ targetFunction: targetFunction, precedence: precedence, argsList: argsList }); JSEvents.deferredCalls.sort(function(x,y) { return x.precedence < y.precedence; }); },removeDeferredCalls:function(targetFunction) { for (var i = 0; i < JSEvents.deferredCalls.length; ++i) { if (JSEvents.deferredCalls[i].targetFunction == targetFunction) { JSEvents.deferredCalls.splice(i, 1); --i; } } },canPerformEventHandlerRequests:function() { return JSEvents.inEventHandler && JSEvents.currentEventHandler.allowsDeferredCalls; },runDeferredCalls:function() { if (!JSEvents.canPerformEventHandlerRequests()) { return; } for (var i = 0; i < JSEvents.deferredCalls.length; ++i) { var call = JSEvents.deferredCalls[i]; JSEvents.deferredCalls.splice(i, 1); --i; call.targetFunction.apply(null, call.argsList); } },eventHandlers:[],removeAllHandlersOnTarget:function(target, eventTypeString) { for (var i = 0; i < JSEvents.eventHandlers.length; ++i) { if (JSEvents.eventHandlers[i].target == target && (!eventTypeString || eventTypeString == JSEvents.eventHandlers[i].eventTypeString)) { JSEvents._removeHandler(i--); } } },_removeHandler:function(i) { var h = JSEvents.eventHandlers[i]; h.target.removeEventListener(h.eventTypeString, h.eventListenerFunc, h.useCapture); JSEvents.eventHandlers.splice(i, 1); },registerOrRemoveHandler:function(eventHandler) { var jsEventHandler = function jsEventHandler(event) { // Increment nesting count for the event handler. ++JSEvents.inEventHandler; JSEvents.currentEventHandler = eventHandler; // Process any old deferred calls the user has placed. JSEvents.runDeferredCalls(); // Process the actual event, calls back to user C code handler. eventHandler.handlerFunc(event); // Process any new deferred calls that were placed right now from this event handler. JSEvents.runDeferredCalls(); // Out of event handler - restore nesting count. --JSEvents.inEventHandler; }; if (eventHandler.callbackfunc) { eventHandler.eventListenerFunc = jsEventHandler; eventHandler.target.addEventListener(eventHandler.eventTypeString, jsEventHandler, eventHandler.useCapture); JSEvents.eventHandlers.push(eventHandler); JSEvents.registerRemoveEventListeners(); } else { for (var i = 0; i < JSEvents.eventHandlers.length; ++i) { if (JSEvents.eventHandlers[i].target == eventHandler.target && JSEvents.eventHandlers[i].eventTypeString == eventHandler.eventTypeString) { JSEvents._removeHandler(i--); } } } },getNodeNameForTarget:function(target) { if (!target) return ''; if (target == window) return '#window'; if (target == screen) return '#screen'; return (target && target.nodeName) ? target.nodeName : ''; },fullscreenEnabled:function() { return document.fullscreenEnabled // Safari 13.0.3 on macOS Catalina 10.15.1 still ships with prefixed webkitFullscreenEnabled. // TODO: If Safari at some point ships with unprefixed version, update the version check above. || document.webkitFullscreenEnabled ; }}; var currentFullscreenStrategy = {}; function maybeCStringToJsString(cString) { // "cString > 2" checks if the input is a number, and isn't of the special // values we accept here, EMSCRIPTEN_EVENT_TARGET_* (which map to 0, 1, 2). // In other words, if cString > 2 then it's a pointer to a valid place in // memory, and points to a C string. return cString > 2 ? UTF8ToString(cString) : cString; } var specialHTMLTargets = [0, document, window]; function findEventTarget(target) { target = maybeCStringToJsString(target); var domElement = specialHTMLTargets[target] || document.querySelector(target); return domElement; } function findCanvasEventTarget(target) { return findEventTarget(target); } function _emscripten_get_canvas_element_size(target, width, height) { var canvas = findCanvasEventTarget(target); if (!canvas) return -4; HEAP32[((width)>>2)] = canvas.width; HEAP32[((height)>>2)] = canvas.height; } function getCanvasElementSize(target) { return withStackSave(function() { var w = stackAlloc(8); var h = w + 4; var targetInt = stackAlloc(target.id.length+1); stringToUTF8(target.id, targetInt, target.id.length+1); var ret = _emscripten_get_canvas_element_size(targetInt, w, h); var size = [HEAP32[((w)>>2)], HEAP32[((h)>>2)]]; return size; }); } function _emscripten_set_canvas_element_size(target, width, height) { var canvas = findCanvasEventTarget(target); if (!canvas) return -4; canvas.width = width; canvas.height = height; return 0; } function setCanvasElementSize(target, width, height) { if (!target.controlTransferredOffscreen) { target.width = width; target.height = height; } else { // This function is being called from high-level JavaScript code instead of asm.js/Wasm, // and it needs to synchronously proxy over to another thread, so marshal the string onto the heap to do the call. withStackSave(function() { var targetInt = stackAlloc(target.id.length+1); stringToUTF8(target.id, targetInt, target.id.length+1); _emscripten_set_canvas_element_size(targetInt, width, height); }); } } function registerRestoreOldStyle(canvas) { var canvasSize = getCanvasElementSize(canvas); var oldWidth = canvasSize[0]; var oldHeight = canvasSize[1]; var oldCssWidth = canvas.style.width; var oldCssHeight = canvas.style.height; var oldBackgroundColor = canvas.style.backgroundColor; // Chrome reads color from here. var oldDocumentBackgroundColor = document.body.style.backgroundColor; // IE11 reads color from here. // Firefox always has black background color. var oldPaddingLeft = canvas.style.paddingLeft; // Chrome, FF, Safari var oldPaddingRight = canvas.style.paddingRight; var oldPaddingTop = canvas.style.paddingTop; var oldPaddingBottom = canvas.style.paddingBottom; var oldMarginLeft = canvas.style.marginLeft; // IE11 var oldMarginRight = canvas.style.marginRight; var oldMarginTop = canvas.style.marginTop; var oldMarginBottom = canvas.style.marginBottom; var oldDocumentBodyMargin = document.body.style.margin; var oldDocumentOverflow = document.documentElement.style.overflow; // Chrome, Firefox var oldDocumentScroll = document.body.scroll; // IE var oldImageRendering = canvas.style.imageRendering; function restoreOldStyle() { var fullscreenElement = document.fullscreenElement || document.webkitFullscreenElement || document.msFullscreenElement ; if (!fullscreenElement) { document.removeEventListener('fullscreenchange', restoreOldStyle); // Unprefixed Fullscreen API shipped in Chromium 71 (https://bugs.chromium.org/p/chromium/issues/detail?id=383813) // As of Safari 13.0.3 on macOS Catalina 10.15.1 still ships with prefixed webkitfullscreenchange. TODO: revisit this check once Safari ships unprefixed version. document.removeEventListener('webkitfullscreenchange', restoreOldStyle); setCanvasElementSize(canvas, oldWidth, oldHeight); canvas.style.width = oldCssWidth; canvas.style.height = oldCssHeight; canvas.style.backgroundColor = oldBackgroundColor; // Chrome // IE11 hack: assigning 'undefined' or an empty string to document.body.style.backgroundColor has no effect, so first assign back the default color // before setting the undefined value. Setting undefined value is also important, or otherwise we would later treat that as something that the user // had explicitly set so subsequent fullscreen transitions would not set background color properly. if (!oldDocumentBackgroundColor) document.body.style.backgroundColor = 'white'; document.body.style.backgroundColor = oldDocumentBackgroundColor; // IE11 canvas.style.paddingLeft = oldPaddingLeft; // Chrome, FF, Safari canvas.style.paddingRight = oldPaddingRight; canvas.style.paddingTop = oldPaddingTop; canvas.style.paddingBottom = oldPaddingBottom; canvas.style.marginLeft = oldMarginLeft; // IE11 canvas.style.marginRight = oldMarginRight; canvas.style.marginTop = oldMarginTop; canvas.style.marginBottom = oldMarginBottom; document.body.style.margin = oldDocumentBodyMargin; document.documentElement.style.overflow = oldDocumentOverflow; // Chrome, Firefox document.body.scroll = oldDocumentScroll; // IE canvas.style.imageRendering = oldImageRendering; if (canvas.GLctxObject) canvas.GLctxObject.GLctx.viewport(0, 0, oldWidth, oldHeight); if (currentFullscreenStrategy.canvasResizedCallback) { getWasmTableEntry(currentFullscreenStrategy.canvasResizedCallback)(37, 0, currentFullscreenStrategy.canvasResizedCallbackUserData); } } } document.addEventListener('fullscreenchange', restoreOldStyle); // Unprefixed Fullscreen API shipped in Chromium 71 (https://bugs.chromium.org/p/chromium/issues/detail?id=383813) // As of Safari 13.0.3 on macOS Catalina 10.15.1 still ships with prefixed webkitfullscreenchange. TODO: revisit this check once Safari ships unprefixed version. document.addEventListener('webkitfullscreenchange', restoreOldStyle); return restoreOldStyle; } function setLetterbox(element, topBottom, leftRight) { // Cannot use margin to specify letterboxes in FF or Chrome, since those ignore margins in fullscreen mode. element.style.paddingLeft = element.style.paddingRight = leftRight + 'px'; element.style.paddingTop = element.style.paddingBottom = topBottom + 'px'; } function getBoundingClientRect(e) { return specialHTMLTargets.indexOf(e) < 0 ? e.getBoundingClientRect() : {'left':0,'top':0}; } function JSEvents_resizeCanvasForFullscreen(target, strategy) { var restoreOldStyle = registerRestoreOldStyle(target); var cssWidth = strategy.softFullscreen ? innerWidth : screen.width; var cssHeight = strategy.softFullscreen ? innerHeight : screen.height; var rect = getBoundingClientRect(target); var windowedCssWidth = rect.width; var windowedCssHeight = rect.height; var canvasSize = getCanvasElementSize(target); var windowedRttWidth = canvasSize[0]; var windowedRttHeight = canvasSize[1]; if (strategy.scaleMode == 3) { setLetterbox(target, (cssHeight - windowedCssHeight) / 2, (cssWidth - windowedCssWidth) / 2); cssWidth = windowedCssWidth; cssHeight = windowedCssHeight; } else if (strategy.scaleMode == 2) { if (cssWidth*windowedRttHeight < windowedRttWidth*cssHeight) { var desiredCssHeight = windowedRttHeight * cssWidth / windowedRttWidth; setLetterbox(target, (cssHeight - desiredCssHeight) / 2, 0); cssHeight = desiredCssHeight; } else { var desiredCssWidth = windowedRttWidth * cssHeight / windowedRttHeight; setLetterbox(target, 0, (cssWidth - desiredCssWidth) / 2); cssWidth = desiredCssWidth; } } // If we are adding padding, must choose a background color or otherwise Chrome will give the // padding a default white color. Do it only if user has not customized their own background color. if (!target.style.backgroundColor) target.style.backgroundColor = 'black'; // IE11 does the same, but requires the color to be set in the document body. if (!document.body.style.backgroundColor) document.body.style.backgroundColor = 'black'; // IE11 // Firefox always shows black letterboxes independent of style color. target.style.width = cssWidth + 'px'; target.style.height = cssHeight + 'px'; if (strategy.filteringMode == 1) { target.style.imageRendering = 'optimizeSpeed'; target.style.imageRendering = '-moz-crisp-edges'; target.style.imageRendering = '-o-crisp-edges'; target.style.imageRendering = '-webkit-optimize-contrast'; target.style.imageRendering = 'optimize-contrast'; target.style.imageRendering = 'crisp-edges'; target.style.imageRendering = 'pixelated'; } var dpiScale = (strategy.canvasResolutionScaleMode == 2) ? devicePixelRatio : 1; if (strategy.canvasResolutionScaleMode != 0) { var newWidth = (cssWidth * dpiScale)|0; var newHeight = (cssHeight * dpiScale)|0; setCanvasElementSize(target, newWidth, newHeight); if (target.GLctxObject) target.GLctxObject.GLctx.viewport(0, 0, newWidth, newHeight); } return restoreOldStyle; } function JSEvents_requestFullscreen(target, strategy) { // EMSCRIPTEN_FULLSCREEN_SCALE_DEFAULT + EMSCRIPTEN_FULLSCREEN_CANVAS_SCALE_NONE is a mode where no extra logic is performed to the DOM elements. if (strategy.scaleMode != 0 || strategy.canvasResolutionScaleMode != 0) { JSEvents_resizeCanvasForFullscreen(target, strategy); } if (target.requestFullscreen) { target.requestFullscreen(); } else if (target.webkitRequestFullscreen) { target.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT); } else { return JSEvents.fullscreenEnabled() ? -3 : -1; } currentFullscreenStrategy = strategy; if (strategy.canvasResizedCallback) { getWasmTableEntry(strategy.canvasResizedCallback)(37, 0, strategy.canvasResizedCallbackUserData); } return 0; } function _emscripten_exit_fullscreen() { if (!JSEvents.fullscreenEnabled()) return -1; // Make sure no queued up calls will fire after this. JSEvents.removeDeferredCalls(JSEvents_requestFullscreen); var d = specialHTMLTargets[1]; if (d.exitFullscreen) { d.fullscreenElement && d.exitFullscreen(); } else if (d.webkitExitFullscreen) { d.webkitFullscreenElement && d.webkitExitFullscreen(); } else { return -1; } return 0; } function requestPointerLock(target) { if (target.requestPointerLock) { target.requestPointerLock(); } else if (target.msRequestPointerLock) { target.msRequestPointerLock(); } else { // document.body is known to accept pointer lock, so use that to differentiate if the user passed a bad element, // or if the whole browser just doesn't support the feature. if (document.body.requestPointerLock || document.body.msRequestPointerLock ) { return -3; } return -1; } return 0; } function _emscripten_exit_pointerlock() { // Make sure no queued up calls will fire after this. JSEvents.removeDeferredCalls(requestPointerLock); if (document.exitPointerLock) { document.exitPointerLock(); } else if (document.msExitPointerLock) { document.msExitPointerLock(); } else { return -1; } return 0; } function _emscripten_get_device_pixel_ratio() { return devicePixelRatio; } function _emscripten_get_element_css_size(target, width, height) { target = findEventTarget(target); if (!target) return -4; var rect = getBoundingClientRect(target); HEAPF64[((width)>>3)] = rect.width; HEAPF64[((height)>>3)] = rect.height; return 0; } function fillGamepadEventData(eventStruct, e) { HEAPF64[((eventStruct)>>3)] = e.timestamp; for (var i = 0; i < e.axes.length; ++i) { HEAPF64[(((eventStruct+i*8)+(16))>>3)] = e.axes[i]; } for (var i = 0; i < e.buttons.length; ++i) { if (typeof e.buttons[i] == 'object') { HEAPF64[(((eventStruct+i*8)+(528))>>3)] = e.buttons[i].value; } else { HEAPF64[(((eventStruct+i*8)+(528))>>3)] = e.buttons[i]; } } for (var i = 0; i < e.buttons.length; ++i) { if (typeof e.buttons[i] == 'object') { HEAP32[(((eventStruct+i*4)+(1040))>>2)] = e.buttons[i].pressed; } else { // Assigning a boolean to HEAP32, that's ok, but Closure would like to warn about it: /** @suppress {checkTypes} */ HEAP32[(((eventStruct+i*4)+(1040))>>2)] = e.buttons[i] == 1; } } HEAP32[(((eventStruct)+(1296))>>2)] = e.connected; HEAP32[(((eventStruct)+(1300))>>2)] = e.index; HEAP32[(((eventStruct)+(8))>>2)] = e.axes.length; HEAP32[(((eventStruct)+(12))>>2)] = e.buttons.length; stringToUTF8(e.id, eventStruct + 1304, 64); stringToUTF8(e.mapping, eventStruct + 1368, 64); } function _emscripten_get_gamepad_status(index, gamepadState) { if (!JSEvents.lastGamepadState) throw 'emscripten_get_gamepad_status() can only be called after having first called emscripten_sample_gamepad_data() and that function has returned EMSCRIPTEN_RESULT_SUCCESS!'; // INVALID_PARAM is returned on a Gamepad index that never was there. if (index < 0 || index >= JSEvents.lastGamepadState.length) return -5; // NO_DATA is returned on a Gamepad index that was removed. // For previously disconnected gamepads there should be an empty slot (null/undefined/false) at the index. // This is because gamepads must keep their original position in the array. // For example, removing the first of two gamepads produces [null/undefined/false, gamepad]. if (!JSEvents.lastGamepadState[index]) return -7; fillGamepadEventData(gamepadState, JSEvents.lastGamepadState[index]); return 0; } function _emscripten_get_num_gamepads() { if (!JSEvents.lastGamepadState) throw 'emscripten_get_num_gamepads() can only be called after having first called emscripten_sample_gamepad_data() and that function has returned EMSCRIPTEN_RESULT_SUCCESS!'; // N.B. Do not call emscripten_get_num_gamepads() unless having first called emscripten_sample_gamepad_data(), and that has returned EMSCRIPTEN_RESULT_SUCCESS. // Otherwise the following line will throw an exception. return JSEvents.lastGamepadState.length; } function _emscripten_get_screen_size(width, height) { HEAP32[((width)>>2)] = screen.width; HEAP32[((height)>>2)] = screen.height; } function _emscripten_glActiveTexture(x0) { GLctx['activeTexture'](x0) } function _emscripten_glAttachShader(program, shader) { GLctx.attachShader(GL.programs[program], GL.shaders[shader]); } function _emscripten_glBeginQueryEXT(target, id) { GLctx.disjointTimerQueryExt['beginQueryEXT'](target, GL.queries[id]); } function _emscripten_glBindAttribLocation(program, index, name) { GLctx.bindAttribLocation(GL.programs[program], index, UTF8ToString(name)); } function _emscripten_glBindBuffer(target, buffer) { GLctx.bindBuffer(target, GL.buffers[buffer]); } function _emscripten_glBindFramebuffer(target, framebuffer) { GLctx.bindFramebuffer(target, GL.framebuffers[framebuffer]); } function _emscripten_glBindRenderbuffer(target, renderbuffer) { GLctx.bindRenderbuffer(target, GL.renderbuffers[renderbuffer]); } function _emscripten_glBindTexture(target, texture) { GLctx.bindTexture(target, GL.textures[texture]); } function _emscripten_glBindVertexArrayOES(vao) { GLctx['bindVertexArray'](GL.vaos[vao]); } function _emscripten_glBlendColor(x0, x1, x2, x3) { GLctx['blendColor'](x0, x1, x2, x3) } function _emscripten_glBlendEquation(x0) { GLctx['blendEquation'](x0) } function _emscripten_glBlendEquationSeparate(x0, x1) { GLctx['blendEquationSeparate'](x0, x1) } function _emscripten_glBlendFunc(x0, x1) { GLctx['blendFunc'](x0, x1) } function _emscripten_glBlendFuncSeparate(x0, x1, x2, x3) { GLctx['blendFuncSeparate'](x0, x1, x2, x3) } function _emscripten_glBufferData(target, size, data, usage) { // N.b. here first form specifies a heap subarray, second form an integer size, so the ?: code here is polymorphic. It is advised to avoid // randomly mixing both uses in calling code, to avoid any potential JS engine JIT issues. GLctx.bufferData(target, data ? HEAPU8.subarray(data, data+size) : size, usage); } function _emscripten_glBufferSubData(target, offset, size, data) { GLctx.bufferSubData(target, offset, HEAPU8.subarray(data, data+size)); } function _emscripten_glCheckFramebufferStatus(x0) { return GLctx['checkFramebufferStatus'](x0) } function _emscripten_glClear(x0) { GLctx['clear'](x0) } function _emscripten_glClearColor(x0, x1, x2, x3) { GLctx['clearColor'](x0, x1, x2, x3) } function _emscripten_glClearDepthf(x0) { GLctx['clearDepth'](x0) } function _emscripten_glClearStencil(x0) { GLctx['clearStencil'](x0) } function _emscripten_glColorMask(red, green, blue, alpha) { GLctx.colorMask(!!red, !!green, !!blue, !!alpha); } function _emscripten_glCompileShader(shader) { GLctx.compileShader(GL.shaders[shader]); } function _emscripten_glCompressedTexImage2D(target, level, internalFormat, width, height, border, imageSize, data) { GLctx['compressedTexImage2D'](target, level, internalFormat, width, height, border, data ? HEAPU8.subarray((data), (data+imageSize)) : null); } function _emscripten_glCompressedTexSubImage2D(target, level, xoffset, yoffset, width, height, format, imageSize, data) { GLctx['compressedTexSubImage2D'](target, level, xoffset, yoffset, width, height, format, data ? HEAPU8.subarray((data), (data+imageSize)) : null); } function _emscripten_glCopyTexImage2D(x0, x1, x2, x3, x4, x5, x6, x7) { GLctx['copyTexImage2D'](x0, x1, x2, x3, x4, x5, x6, x7) } function _emscripten_glCopyTexSubImage2D(x0, x1, x2, x3, x4, x5, x6, x7) { GLctx['copyTexSubImage2D'](x0, x1, x2, x3, x4, x5, x6, x7) } function _emscripten_glCreateProgram() { var id = GL.getNewId(GL.programs); var program = GLctx.createProgram(); // Store additional information needed for each shader program: program.name = id; // Lazy cache results of glGetProgramiv(GL_ACTIVE_UNIFORM_MAX_LENGTH/GL_ACTIVE_ATTRIBUTE_MAX_LENGTH/GL_ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH) program.maxUniformLength = program.maxAttributeLength = program.maxUniformBlockNameLength = 0; program.uniformIdCounter = 1; GL.programs[id] = program; return id; } function _emscripten_glCreateShader(shaderType) { var id = GL.getNewId(GL.shaders); GL.shaders[id] = GLctx.createShader(shaderType); return id; } function _emscripten_glCullFace(x0) { GLctx['cullFace'](x0) } function _emscripten_glDeleteBuffers(n, buffers) { for (var i = 0; i < n; i++) { var id = HEAP32[(((buffers)+(i*4))>>2)]; var buffer = GL.buffers[id]; // From spec: "glDeleteBuffers silently ignores 0's and names that do not // correspond to existing buffer objects." if (!buffer) continue; GLctx.deleteBuffer(buffer); buffer.name = 0; GL.buffers[id] = null; } } function _emscripten_glDeleteFramebuffers(n, framebuffers) { for (var i = 0; i < n; ++i) { var id = HEAP32[(((framebuffers)+(i*4))>>2)]; var framebuffer = GL.framebuffers[id]; if (!framebuffer) continue; // GL spec: "glDeleteFramebuffers silently ignores 0s and names that do not correspond to existing framebuffer objects". GLctx.deleteFramebuffer(framebuffer); framebuffer.name = 0; GL.framebuffers[id] = null; } } function _emscripten_glDeleteProgram(id) { if (!id) return; var program = GL.programs[id]; if (!program) { // glDeleteProgram actually signals an error when deleting a nonexisting object, unlike some other GL delete functions. GL.recordError(0x501 /* GL_INVALID_VALUE */); return; } GLctx.deleteProgram(program); program.name = 0; GL.programs[id] = null; } function _emscripten_glDeleteQueriesEXT(n, ids) { for (var i = 0; i < n; i++) { var id = HEAP32[(((ids)+(i*4))>>2)]; var query = GL.queries[id]; if (!query) continue; // GL spec: "unused names in ids are ignored, as is the name zero." GLctx.disjointTimerQueryExt['deleteQueryEXT'](query); GL.queries[id] = null; } } function _emscripten_glDeleteRenderbuffers(n, renderbuffers) { for (var i = 0; i < n; i++) { var id = HEAP32[(((renderbuffers)+(i*4))>>2)]; var renderbuffer = GL.renderbuffers[id]; if (!renderbuffer) continue; // GL spec: "glDeleteRenderbuffers silently ignores 0s and names that do not correspond to existing renderbuffer objects". GLctx.deleteRenderbuffer(renderbuffer); renderbuffer.name = 0; GL.renderbuffers[id] = null; } } function _emscripten_glDeleteShader(id) { if (!id) return; var shader = GL.shaders[id]; if (!shader) { // glDeleteShader actually signals an error when deleting a nonexisting object, unlike some other GL delete functions. GL.recordError(0x501 /* GL_INVALID_VALUE */); return; } GLctx.deleteShader(shader); GL.shaders[id] = null; } function _emscripten_glDeleteTextures(n, textures) { for (var i = 0; i < n; i++) { var id = HEAP32[(((textures)+(i*4))>>2)]; var texture = GL.textures[id]; if (!texture) continue; // GL spec: "glDeleteTextures silently ignores 0s and names that do not correspond to existing textures". GLctx.deleteTexture(texture); texture.name = 0; GL.textures[id] = null; } } function _emscripten_glDeleteVertexArraysOES(n, vaos) { for (var i = 0; i < n; i++) { var id = HEAP32[(((vaos)+(i*4))>>2)]; GLctx['deleteVertexArray'](GL.vaos[id]); GL.vaos[id] = null; } } function _emscripten_glDepthFunc(x0) { GLctx['depthFunc'](x0) } function _emscripten_glDepthMask(flag) { GLctx.depthMask(!!flag); } function _emscripten_glDepthRangef(x0, x1) { GLctx['depthRange'](x0, x1) } function _emscripten_glDetachShader(program, shader) { GLctx.detachShader(GL.programs[program], GL.shaders[shader]); } function _emscripten_glDisable(x0) { GLctx['disable'](x0) } function _emscripten_glDisableVertexAttribArray(index) { GLctx.disableVertexAttribArray(index); } function _emscripten_glDrawArrays(mode, first, count) { GLctx.drawArrays(mode, first, count); } function _emscripten_glDrawArraysInstancedANGLE(mode, first, count, primcount) { GLctx['drawArraysInstanced'](mode, first, count, primcount); } var tempFixedLengthArray = []; function _emscripten_glDrawBuffersWEBGL(n, bufs) { var bufArray = tempFixedLengthArray[n]; for (var i = 0; i < n; i++) { bufArray[i] = HEAP32[(((bufs)+(i*4))>>2)]; } GLctx['drawBuffers'](bufArray); } function _emscripten_glDrawElements(mode, count, type, indices) { GLctx.drawElements(mode, count, type, indices); } function _emscripten_glDrawElementsInstancedANGLE(mode, count, type, indices, primcount) { GLctx['drawElementsInstanced'](mode, count, type, indices, primcount); } function _emscripten_glEnable(x0) { GLctx['enable'](x0) } function _emscripten_glEnableVertexAttribArray(index) { GLctx.enableVertexAttribArray(index); } function _emscripten_glEndQueryEXT(target) { GLctx.disjointTimerQueryExt['endQueryEXT'](target); } function _emscripten_glFinish() { GLctx['finish']() } function _emscripten_glFlush() { GLctx['flush']() } function _emscripten_glFramebufferRenderbuffer(target, attachment, renderbuffertarget, renderbuffer) { GLctx.framebufferRenderbuffer(target, attachment, renderbuffertarget, GL.renderbuffers[renderbuffer]); } function _emscripten_glFramebufferTexture2D(target, attachment, textarget, texture, level) { GLctx.framebufferTexture2D(target, attachment, textarget, GL.textures[texture], level); } function _emscripten_glFrontFace(x0) { GLctx['frontFace'](x0) } function __glGenObject(n, buffers, createFunction, objectTable ) { for (var i = 0; i < n; i++) { var buffer = GLctx[createFunction](); var id = buffer && GL.getNewId(objectTable); if (buffer) { buffer.name = id; objectTable[id] = buffer; } else { GL.recordError(0x502 /* GL_INVALID_OPERATION */); } HEAP32[(((buffers)+(i*4))>>2)] = id; } } function _emscripten_glGenBuffers(n, buffers) { __glGenObject(n, buffers, 'createBuffer', GL.buffers ); } function _emscripten_glGenFramebuffers(n, ids) { __glGenObject(n, ids, 'createFramebuffer', GL.framebuffers ); } function _emscripten_glGenQueriesEXT(n, ids) { for (var i = 0; i < n; i++) { var query = GLctx.disjointTimerQueryExt['createQueryEXT'](); if (!query) { GL.recordError(0x502 /* GL_INVALID_OPERATION */); while (i < n) HEAP32[(((ids)+(i++*4))>>2)] = 0; return; } var id = GL.getNewId(GL.queries); query.name = id; GL.queries[id] = query; HEAP32[(((ids)+(i*4))>>2)] = id; } } function _emscripten_glGenRenderbuffers(n, renderbuffers) { __glGenObject(n, renderbuffers, 'createRenderbuffer', GL.renderbuffers ); } function _emscripten_glGenTextures(n, textures) { __glGenObject(n, textures, 'createTexture', GL.textures ); } function _emscripten_glGenVertexArraysOES(n, arrays) { __glGenObject(n, arrays, 'createVertexArray', GL.vaos ); } function _emscripten_glGenerateMipmap(x0) { GLctx['generateMipmap'](x0) } function __glGetActiveAttribOrUniform(funcName, program, index, bufSize, length, size, type, name) { program = GL.programs[program]; var info = GLctx[funcName](program, index); if (info) { // If an error occurs, nothing will be written to length, size and type and name. var numBytesWrittenExclNull = name && stringToUTF8(info.name, name, bufSize); if (length) HEAP32[((length)>>2)] = numBytesWrittenExclNull; if (size) HEAP32[((size)>>2)] = info.size; if (type) HEAP32[((type)>>2)] = info.type; } } function _emscripten_glGetActiveAttrib(program, index, bufSize, length, size, type, name) { __glGetActiveAttribOrUniform('getActiveAttrib', program, index, bufSize, length, size, type, name); } function _emscripten_glGetActiveUniform(program, index, bufSize, length, size, type, name) { __glGetActiveAttribOrUniform('getActiveUniform', program, index, bufSize, length, size, type, name); } function _emscripten_glGetAttachedShaders(program, maxCount, count, shaders) { var result = GLctx.getAttachedShaders(GL.programs[program]); var len = result.length; if (len > maxCount) { len = maxCount; } HEAP32[((count)>>2)] = len; for (var i = 0; i < len; ++i) { var id = GL.shaders.indexOf(result[i]); HEAP32[(((shaders)+(i*4))>>2)] = id; } } function _emscripten_glGetAttribLocation(program, name) { return GLctx.getAttribLocation(GL.programs[program], UTF8ToString(name)); } function readI53FromI64(ptr) { return HEAPU32[ptr>>2] + HEAP32[ptr+4>>2] * 4294967296; } function readI53FromU64(ptr) { return HEAPU32[ptr>>2] + HEAPU32[ptr+4>>2] * 4294967296; } function writeI53ToI64(ptr, num) { HEAPU32[ptr>>2] = num; HEAPU32[ptr+4>>2] = (num - HEAPU32[ptr>>2])/4294967296; var deserialized = (num >= 0) ? readI53FromU64(ptr) : readI53FromI64(ptr); if (deserialized != num) warnOnce('writeI53ToI64() out of range: serialized JS Number ' + num + ' to Wasm heap as bytes lo=0x' + HEAPU32[ptr>>2].toString(16) + ', hi=0x' + HEAPU32[ptr+4>>2].toString(16) + ', which deserializes back to ' + deserialized + ' instead!'); } function emscriptenWebGLGet(name_, p, type) { // Guard against user passing a null pointer. // Note that GLES2 spec does not say anything about how passing a null pointer should be treated. // Testing on desktop core GL 3, the application crashes on glGetIntegerv to a null pointer, but // better to report an error instead of doing anything random. if (!p) { GL.recordError(0x501 /* GL_INVALID_VALUE */); return; } var ret = undefined; switch (name_) { // Handle a few trivial GLES values case 0x8DFA: // GL_SHADER_COMPILER ret = 1; break; case 0x8DF8: // GL_SHADER_BINARY_FORMATS if (type != 0 && type != 1) { GL.recordError(0x500); // GL_INVALID_ENUM } return; // Do not write anything to the out pointer, since no binary formats are supported. case 0x8DF9: // GL_NUM_SHADER_BINARY_FORMATS ret = 0; break; case 0x86A2: // GL_NUM_COMPRESSED_TEXTURE_FORMATS // WebGL doesn't have GL_NUM_COMPRESSED_TEXTURE_FORMATS (it's obsolete since GL_COMPRESSED_TEXTURE_FORMATS returns a JS array that can be queried for length), // so implement it ourselves to allow C++ GLES2 code get the length. var formats = GLctx.getParameter(0x86A3 /*GL_COMPRESSED_TEXTURE_FORMATS*/); ret = formats ? formats.length : 0; break; } if (ret === undefined) { var result = GLctx.getParameter(name_); switch (typeof result) { case "number": ret = result; break; case "boolean": ret = result ? 1 : 0; break; case "string": GL.recordError(0x500); // GL_INVALID_ENUM return; case "object": if (result === null) { // null is a valid result for some (e.g., which buffer is bound - perhaps nothing is bound), but otherwise // can mean an invalid name_, which we need to report as an error switch (name_) { case 0x8894: // ARRAY_BUFFER_BINDING case 0x8B8D: // CURRENT_PROGRAM case 0x8895: // ELEMENT_ARRAY_BUFFER_BINDING case 0x8CA6: // FRAMEBUFFER_BINDING or DRAW_FRAMEBUFFER_BINDING case 0x8CA7: // RENDERBUFFER_BINDING case 0x8069: // TEXTURE_BINDING_2D case 0x85B5: // WebGL 2 GL_VERTEX_ARRAY_BINDING, or WebGL 1 extension OES_vertex_array_object GL_VERTEX_ARRAY_BINDING_OES case 0x8514: { // TEXTURE_BINDING_CUBE_MAP ret = 0; break; } default: { GL.recordError(0x500); // GL_INVALID_ENUM return; } } } else if (result instanceof Float32Array || result instanceof Uint32Array || result instanceof Int32Array || result instanceof Array) { for (var i = 0; i < result.length; ++i) { switch (type) { case 0: HEAP32[(((p)+(i*4))>>2)] = result[i]; break; case 2: HEAPF32[(((p)+(i*4))>>2)] = result[i]; break; case 4: HEAP8[(((p)+(i))>>0)] = result[i] ? 1 : 0; break; } } return; } else { try { ret = result.name | 0; } catch(e) { GL.recordError(0x500); // GL_INVALID_ENUM err('GL_INVALID_ENUM in glGet' + type + 'v: Unknown object returned from WebGL getParameter(' + name_ + ')! (error: ' + e + ')'); return; } } break; default: GL.recordError(0x500); // GL_INVALID_ENUM err('GL_INVALID_ENUM in glGet' + type + 'v: Native code calling glGet' + type + 'v(' + name_ + ') and it returns ' + result + ' of type ' + typeof(result) + '!'); return; } } switch (type) { case 1: writeI53ToI64(p, ret); break; case 0: HEAP32[((p)>>2)] = ret; break; case 2: HEAPF32[((p)>>2)] = ret; break; case 4: HEAP8[((p)>>0)] = ret ? 1 : 0; break; } } function _emscripten_glGetBooleanv(name_, p) { emscriptenWebGLGet(name_, p, 4); } function _emscripten_glGetBufferParameteriv(target, value, data) { if (!data) { // GLES2 specification does not specify how to behave if data is a null pointer. Since calling this function does not make sense // if data == null, issue a GL error to notify user about it. GL.recordError(0x501 /* GL_INVALID_VALUE */); return; } HEAP32[((data)>>2)] = GLctx.getBufferParameter(target, value); } function _emscripten_glGetError() { var error = GLctx.getError() || GL.lastError; GL.lastError = 0/*GL_NO_ERROR*/; return error; } function _emscripten_glGetFloatv(name_, p) { emscriptenWebGLGet(name_, p, 2); } function _emscripten_glGetFramebufferAttachmentParameteriv(target, attachment, pname, params) { var result = GLctx.getFramebufferAttachmentParameter(target, attachment, pname); if (result instanceof WebGLRenderbuffer || result instanceof WebGLTexture) { result = result.name | 0; } HEAP32[((params)>>2)] = result; } function _emscripten_glGetIntegerv(name_, p) { emscriptenWebGLGet(name_, p, 0); } function _emscripten_glGetProgramInfoLog(program, maxLength, length, infoLog) { var log = GLctx.getProgramInfoLog(GL.programs[program]); if (log === null) log = '(unknown error)'; var numBytesWrittenExclNull = (maxLength > 0 && infoLog) ? stringToUTF8(log, infoLog, maxLength) : 0; if (length) HEAP32[((length)>>2)] = numBytesWrittenExclNull; } function _emscripten_glGetProgramiv(program, pname, p) { if (!p) { // GLES2 specification does not specify how to behave if p is a null pointer. Since calling this function does not make sense // if p == null, issue a GL error to notify user about it. GL.recordError(0x501 /* GL_INVALID_VALUE */); return; } if (program >= GL.counter) { GL.recordError(0x501 /* GL_INVALID_VALUE */); return; } program = GL.programs[program]; if (pname == 0x8B84) { // GL_INFO_LOG_LENGTH var log = GLctx.getProgramInfoLog(program); if (log === null) log = '(unknown error)'; HEAP32[((p)>>2)] = log.length + 1; } else if (pname == 0x8B87 /* GL_ACTIVE_UNIFORM_MAX_LENGTH */) { if (!program.maxUniformLength) { for (var i = 0; i < GLctx.getProgramParameter(program, 0x8B86/*GL_ACTIVE_UNIFORMS*/); ++i) { program.maxUniformLength = Math.max(program.maxUniformLength, GLctx.getActiveUniform(program, i).name.length+1); } } HEAP32[((p)>>2)] = program.maxUniformLength; } else if (pname == 0x8B8A /* GL_ACTIVE_ATTRIBUTE_MAX_LENGTH */) { if (!program.maxAttributeLength) { for (var i = 0; i < GLctx.getProgramParameter(program, 0x8B89/*GL_ACTIVE_ATTRIBUTES*/); ++i) { program.maxAttributeLength = Math.max(program.maxAttributeLength, GLctx.getActiveAttrib(program, i).name.length+1); } } HEAP32[((p)>>2)] = program.maxAttributeLength; } else if (pname == 0x8A35 /* GL_ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH */) { if (!program.maxUniformBlockNameLength) { for (var i = 0; i < GLctx.getProgramParameter(program, 0x8A36/*GL_ACTIVE_UNIFORM_BLOCKS*/); ++i) { program.maxUniformBlockNameLength = Math.max(program.maxUniformBlockNameLength, GLctx.getActiveUniformBlockName(program, i).length+1); } } HEAP32[((p)>>2)] = program.maxUniformBlockNameLength; } else { HEAP32[((p)>>2)] = GLctx.getProgramParameter(program, pname); } } function _emscripten_glGetQueryObjecti64vEXT(id, pname, params) { if (!params) { // GLES2 specification does not specify how to behave if params is a null pointer. Since calling this function does not make sense // if p == null, issue a GL error to notify user about it. GL.recordError(0x501 /* GL_INVALID_VALUE */); return; } var query = GL.queries[id]; var param; { param = GLctx.disjointTimerQueryExt['getQueryObjectEXT'](query, pname); } var ret; if (typeof param == 'boolean') { ret = param ? 1 : 0; } else { ret = param; } writeI53ToI64(params, ret); } function _emscripten_glGetQueryObjectivEXT(id, pname, params) { if (!params) { // GLES2 specification does not specify how to behave if params is a null pointer. Since calling this function does not make sense // if p == null, issue a GL error to notify user about it. GL.recordError(0x501 /* GL_INVALID_VALUE */); return; } var query = GL.queries[id]; var param = GLctx.disjointTimerQueryExt['getQueryObjectEXT'](query, pname); var ret; if (typeof param == 'boolean') { ret = param ? 1 : 0; } else { ret = param; } HEAP32[((params)>>2)] = ret; } function _emscripten_glGetQueryObjectui64vEXT(id, pname, params) { if (!params) { // GLES2 specification does not specify how to behave if params is a null pointer. Since calling this function does not make sense // if p == null, issue a GL error to notify user about it. GL.recordError(0x501 /* GL_INVALID_VALUE */); return; } var query = GL.queries[id]; var param; { param = GLctx.disjointTimerQueryExt['getQueryObjectEXT'](query, pname); } var ret; if (typeof param == 'boolean') { ret = param ? 1 : 0; } else { ret = param; } writeI53ToI64(params, ret); } function _emscripten_glGetQueryObjectuivEXT(id, pname, params) { if (!params) { // GLES2 specification does not specify how to behave if params is a null pointer. Since calling this function does not make sense // if p == null, issue a GL error to notify user about it. GL.recordError(0x501 /* GL_INVALID_VALUE */); return; } var query = GL.queries[id]; var param = GLctx.disjointTimerQueryExt['getQueryObjectEXT'](query, pname); var ret; if (typeof param == 'boolean') { ret = param ? 1 : 0; } else { ret = param; } HEAP32[((params)>>2)] = ret; } function _emscripten_glGetQueryivEXT(target, pname, params) { if (!params) { // GLES2 specification does not specify how to behave if params is a null pointer. Since calling this function does not make sense // if p == null, issue a GL error to notify user about it. GL.recordError(0x501 /* GL_INVALID_VALUE */); return; } HEAP32[((params)>>2)] = GLctx.disjointTimerQueryExt['getQueryEXT'](target, pname); } function _emscripten_glGetRenderbufferParameteriv(target, pname, params) { if (!params) { // GLES2 specification does not specify how to behave if params is a null pointer. Since calling this function does not make sense // if params == null, issue a GL error to notify user about it. GL.recordError(0x501 /* GL_INVALID_VALUE */); return; } HEAP32[((params)>>2)] = GLctx.getRenderbufferParameter(target, pname); } function _emscripten_glGetShaderInfoLog(shader, maxLength, length, infoLog) { var log = GLctx.getShaderInfoLog(GL.shaders[shader]); if (log === null) log = '(unknown error)'; var numBytesWrittenExclNull = (maxLength > 0 && infoLog) ? stringToUTF8(log, infoLog, maxLength) : 0; if (length) HEAP32[((length)>>2)] = numBytesWrittenExclNull; } function _emscripten_glGetShaderPrecisionFormat(shaderType, precisionType, range, precision) { var result = GLctx.getShaderPrecisionFormat(shaderType, precisionType); HEAP32[((range)>>2)] = result.rangeMin; HEAP32[(((range)+(4))>>2)] = result.rangeMax; HEAP32[((precision)>>2)] = result.precision; } function _emscripten_glGetShaderSource(shader, bufSize, length, source) { var result = GLctx.getShaderSource(GL.shaders[shader]); if (!result) return; // If an error occurs, nothing will be written to length or source. var numBytesWrittenExclNull = (bufSize > 0 && source) ? stringToUTF8(result, source, bufSize) : 0; if (length) HEAP32[((length)>>2)] = numBytesWrittenExclNull; } function _emscripten_glGetShaderiv(shader, pname, p) { if (!p) { // GLES2 specification does not specify how to behave if p is a null pointer. Since calling this function does not make sense // if p == null, issue a GL error to notify user about it. GL.recordError(0x501 /* GL_INVALID_VALUE */); return; } if (pname == 0x8B84) { // GL_INFO_LOG_LENGTH var log = GLctx.getShaderInfoLog(GL.shaders[shader]); if (log === null) log = '(unknown error)'; // The GLES2 specification says that if the shader has an empty info log, // a value of 0 is returned. Otherwise the log has a null char appended. // (An empty string is falsey, so we can just check that instead of // looking at log.length.) var logLength = log ? log.length + 1 : 0; HEAP32[((p)>>2)] = logLength; } else if (pname == 0x8B88) { // GL_SHADER_SOURCE_LENGTH var source = GLctx.getShaderSource(GL.shaders[shader]); // source may be a null, or the empty string, both of which are falsey // values that we report a 0 length for. var sourceLength = source ? source.length + 1 : 0; HEAP32[((p)>>2)] = sourceLength; } else { HEAP32[((p)>>2)] = GLctx.getShaderParameter(GL.shaders[shader], pname); } } function stringToNewUTF8(jsString) { var length = lengthBytesUTF8(jsString)+1; var cString = _malloc(length); stringToUTF8(jsString, cString, length); return cString; } function _emscripten_glGetString(name_) { var ret = GL.stringCache[name_]; if (!ret) { switch (name_) { case 0x1F03 /* GL_EXTENSIONS */: var exts = GLctx.getSupportedExtensions() || []; // .getSupportedExtensions() can return null if context is lost, so coerce to empty array. exts = exts.concat(exts.map(function(e) { return "GL_" + e; })); ret = stringToNewUTF8(exts.join(' ')); break; case 0x1F00 /* GL_VENDOR */: case 0x1F01 /* GL_RENDERER */: case 0x9245 /* UNMASKED_VENDOR_WEBGL */: case 0x9246 /* UNMASKED_RENDERER_WEBGL */: var s = GLctx.getParameter(name_); if (!s) { GL.recordError(0x500/*GL_INVALID_ENUM*/); } ret = s && stringToNewUTF8(s); break; case 0x1F02 /* GL_VERSION */: var glVersion = GLctx.getParameter(0x1F02 /*GL_VERSION*/); // return GLES version string corresponding to the version of the WebGL context { glVersion = 'OpenGL ES 2.0 (' + glVersion + ')'; } ret = stringToNewUTF8(glVersion); break; case 0x8B8C /* GL_SHADING_LANGUAGE_VERSION */: var glslVersion = GLctx.getParameter(0x8B8C /*GL_SHADING_LANGUAGE_VERSION*/); // extract the version number 'N.M' from the string 'WebGL GLSL ES N.M ...' var ver_re = /^WebGL GLSL ES ([0-9]\.[0-9][0-9]?)(?:$| .*)/; var ver_num = glslVersion.match(ver_re); if (ver_num !== null) { if (ver_num[1].length == 3) ver_num[1] = ver_num[1] + '0'; // ensure minor version has 2 digits glslVersion = 'OpenGL ES GLSL ES ' + ver_num[1] + ' (' + glslVersion + ')'; } ret = stringToNewUTF8(glslVersion); break; default: GL.recordError(0x500/*GL_INVALID_ENUM*/); // fall through } GL.stringCache[name_] = ret; } return ret; } function _emscripten_glGetTexParameterfv(target, pname, params) { if (!params) { // GLES2 specification does not specify how to behave if params is a null pointer. Since calling this function does not make sense // if p == null, issue a GL error to notify user about it. GL.recordError(0x501 /* GL_INVALID_VALUE */); return; } HEAPF32[((params)>>2)] = GLctx.getTexParameter(target, pname); } function _emscripten_glGetTexParameteriv(target, pname, params) { if (!params) { // GLES2 specification does not specify how to behave if params is a null pointer. Since calling this function does not make sense // if p == null, issue a GL error to notify user about it. GL.recordError(0x501 /* GL_INVALID_VALUE */); return; } HEAP32[((params)>>2)] = GLctx.getTexParameter(target, pname); } /** @suppress {checkTypes} */ function jstoi_q(str) { return parseInt(str); } /** @noinline */ function webglGetLeftBracePos(name) { return name.slice(-1) == ']' && name.lastIndexOf('['); } function webglPrepareUniformLocationsBeforeFirstUse(program) { var uniformLocsById = program.uniformLocsById, // Maps GLuint -> WebGLUniformLocation uniformSizeAndIdsByName = program.uniformSizeAndIdsByName, // Maps name -> [uniform array length, GLuint] i, j; // On the first time invocation of glGetUniformLocation on this shader program: // initialize cache data structures and discover which uniforms are arrays. if (!uniformLocsById) { // maps GLint integer locations to WebGLUniformLocations program.uniformLocsById = uniformLocsById = {}; // maps integer locations back to uniform name strings, so that we can lazily fetch uniform array locations program.uniformArrayNamesById = {}; for (i = 0; i < GLctx.getProgramParameter(program, 0x8B86/*GL_ACTIVE_UNIFORMS*/); ++i) { var u = GLctx.getActiveUniform(program, i); var nm = u.name; var sz = u.size; var lb = webglGetLeftBracePos(nm); var arrayName = lb > 0 ? nm.slice(0, lb) : nm; // Assign a new location. var id = program.uniformIdCounter; program.uniformIdCounter += sz; // Eagerly get the location of the uniformArray[0] base element. // The remaining indices >0 will be left for lazy evaluation to // improve performance. Those may never be needed to fetch, if the // application fills arrays always in full starting from the first // element of the array. uniformSizeAndIdsByName[arrayName] = [sz, id]; // Store placeholder integers in place that highlight that these // >0 index locations are array indices pending population. for(j = 0; j < sz; ++j) { uniformLocsById[id] = j; program.uniformArrayNamesById[id++] = arrayName; } } } } function _emscripten_glGetUniformLocation(program, name) { name = UTF8ToString(name); if (program = GL.programs[program]) { webglPrepareUniformLocationsBeforeFirstUse(program); var uniformLocsById = program.uniformLocsById; // Maps GLuint -> WebGLUniformLocation var arrayIndex = 0; var uniformBaseName = name; // Invariant: when populating integer IDs for uniform locations, we must maintain the precondition that // arrays reside in contiguous addresses, i.e. for a 'vec4 colors[10];', colors[4] must be at location colors[0]+4. // However, user might call glGetUniformLocation(program, "colors") for an array, so we cannot discover based on the user // input arguments whether the uniform we are dealing with is an array. The only way to discover which uniforms are arrays // is to enumerate over all the active uniforms in the program. var leftBrace = webglGetLeftBracePos(name); // If user passed an array accessor "[index]", parse the array index off the accessor. if (leftBrace > 0) { arrayIndex = jstoi_q(name.slice(leftBrace + 1)) >>> 0; // "index]", coerce parseInt(']') with >>>0 to treat "foo[]" as "foo[0]" and foo[-1] as unsigned out-of-bounds. uniformBaseName = name.slice(0, leftBrace); } // Have we cached the location of this uniform before? var sizeAndId = program.uniformSizeAndIdsByName[uniformBaseName]; // A pair [array length, GLint of the uniform location] // If an uniform with this name exists, and if its index is within the array limits (if it's even an array), // query the WebGLlocation, or return an existing cached location. if (sizeAndId && arrayIndex < sizeAndId[0]) { arrayIndex += sizeAndId[1]; // Add the base location of the uniform to the array index offset. if ((uniformLocsById[arrayIndex] = uniformLocsById[arrayIndex] || GLctx.getUniformLocation(program, name))) { return arrayIndex; } } } else { // N.b. we are currently unable to distinguish between GL program IDs that never existed vs GL program IDs that have been deleted, // so report GL_INVALID_VALUE in both cases. GL.recordError(0x501 /* GL_INVALID_VALUE */); } return -1; } function webglGetUniformLocation(location) { var p = GLctx.currentProgram; if (p) { var webglLoc = p.uniformLocsById[location]; // p.uniformLocsById[location] stores either an integer, or a WebGLUniformLocation. // If an integer, we have not yet bound the location, so do it now. The integer value specifies the array index // we should bind to. if (typeof webglLoc == 'number') { p.uniformLocsById[location] = webglLoc = GLctx.getUniformLocation(p, p.uniformArrayNamesById[location] + (webglLoc > 0 ? '[' + webglLoc + ']' : '')); } // Else an already cached WebGLUniformLocation, return it. return webglLoc; } else { GL.recordError(0x502/*GL_INVALID_OPERATION*/); } } /** @suppress{checkTypes} */ function emscriptenWebGLGetUniform(program, location, params, type) { if (!params) { // GLES2 specification does not specify how to behave if params is a null pointer. Since calling this function does not make sense // if params == null, issue a GL error to notify user about it. GL.recordError(0x501 /* GL_INVALID_VALUE */); return; } program = GL.programs[program]; webglPrepareUniformLocationsBeforeFirstUse(program); var data = GLctx.getUniform(program, webglGetUniformLocation(location)); if (typeof data == 'number' || typeof data == 'boolean') { switch (type) { case 0: HEAP32[((params)>>2)] = data; break; case 2: HEAPF32[((params)>>2)] = data; break; } } else { for (var i = 0; i < data.length; i++) { switch (type) { case 0: HEAP32[(((params)+(i*4))>>2)] = data[i]; break; case 2: HEAPF32[(((params)+(i*4))>>2)] = data[i]; break; } } } } function _emscripten_glGetUniformfv(program, location, params) { emscriptenWebGLGetUniform(program, location, params, 2); } function _emscripten_glGetUniformiv(program, location, params) { emscriptenWebGLGetUniform(program, location, params, 0); } function _emscripten_glGetVertexAttribPointerv(index, pname, pointer) { if (!pointer) { // GLES2 specification does not specify how to behave if pointer is a null pointer. Since calling this function does not make sense // if pointer == null, issue a GL error to notify user about it. GL.recordError(0x501 /* GL_INVALID_VALUE */); return; } HEAP32[((pointer)>>2)] = GLctx.getVertexAttribOffset(index, pname); } /** @suppress{checkTypes} */ function emscriptenWebGLGetVertexAttrib(index, pname, params, type) { if (!params) { // GLES2 specification does not specify how to behave if params is a null pointer. Since calling this function does not make sense // if params == null, issue a GL error to notify user about it. GL.recordError(0x501 /* GL_INVALID_VALUE */); return; } var data = GLctx.getVertexAttrib(index, pname); if (pname == 0x889F/*VERTEX_ATTRIB_ARRAY_BUFFER_BINDING*/) { HEAP32[((params)>>2)] = data && data["name"]; } else if (typeof data == 'number' || typeof data == 'boolean') { switch (type) { case 0: HEAP32[((params)>>2)] = data; break; case 2: HEAPF32[((params)>>2)] = data; break; case 5: HEAP32[((params)>>2)] = Math.fround(data); break; } } else { for (var i = 0; i < data.length; i++) { switch (type) { case 0: HEAP32[(((params)+(i*4))>>2)] = data[i]; break; case 2: HEAPF32[(((params)+(i*4))>>2)] = data[i]; break; case 5: HEAP32[(((params)+(i*4))>>2)] = Math.fround(data[i]); break; } } } } function _emscripten_glGetVertexAttribfv(index, pname, params) { // N.B. This function may only be called if the vertex attribute was specified using the function glVertexAttrib*f(), // otherwise the results are undefined. (GLES3 spec 6.1.12) emscriptenWebGLGetVertexAttrib(index, pname, params, 2); } function _emscripten_glGetVertexAttribiv(index, pname, params) { // N.B. This function may only be called if the vertex attribute was specified using the function glVertexAttrib*f(), // otherwise the results are undefined. (GLES3 spec 6.1.12) emscriptenWebGLGetVertexAttrib(index, pname, params, 5); } function _emscripten_glHint(x0, x1) { GLctx['hint'](x0, x1) } function _emscripten_glIsBuffer(buffer) { var b = GL.buffers[buffer]; if (!b) return 0; return GLctx.isBuffer(b); } function _emscripten_glIsEnabled(x0) { return GLctx['isEnabled'](x0) } function _emscripten_glIsFramebuffer(framebuffer) { var fb = GL.framebuffers[framebuffer]; if (!fb) return 0; return GLctx.isFramebuffer(fb); } function _emscripten_glIsProgram(program) { program = GL.programs[program]; if (!program) return 0; return GLctx.isProgram(program); } function _emscripten_glIsQueryEXT(id) { var query = GL.queries[id]; if (!query) return 0; return GLctx.disjointTimerQueryExt['isQueryEXT'](query); } function _emscripten_glIsRenderbuffer(renderbuffer) { var rb = GL.renderbuffers[renderbuffer]; if (!rb) return 0; return GLctx.isRenderbuffer(rb); } function _emscripten_glIsShader(shader) { var s = GL.shaders[shader]; if (!s) return 0; return GLctx.isShader(s); } function _emscripten_glIsTexture(id) { var texture = GL.textures[id]; if (!texture) return 0; return GLctx.isTexture(texture); } function _emscripten_glIsVertexArrayOES(array) { var vao = GL.vaos[array]; if (!vao) return 0; return GLctx['isVertexArray'](vao); } function _emscripten_glLineWidth(x0) { GLctx['lineWidth'](x0) } function _emscripten_glLinkProgram(program) { program = GL.programs[program]; GLctx.linkProgram(program); // Invalidate earlier computed uniform->ID mappings, those have now become stale program.uniformLocsById = 0; // Mark as null-like so that glGetUniformLocation() knows to populate this again. program.uniformSizeAndIdsByName = {}; } function _emscripten_glPixelStorei(pname, param) { if (pname == 0xCF5 /* GL_UNPACK_ALIGNMENT */) { GL.unpackAlignment = param; } GLctx.pixelStorei(pname, param); } function _emscripten_glPolygonOffset(x0, x1) { GLctx['polygonOffset'](x0, x1) } function _emscripten_glQueryCounterEXT(id, target) { GLctx.disjointTimerQueryExt['queryCounterEXT'](GL.queries[id], target); } function computeUnpackAlignedImageSize(width, height, sizePerPixel, alignment) { function roundedToNextMultipleOf(x, y) { return (x + y - 1) & -y; } var plainRowSize = width * sizePerPixel; var alignedRowSize = roundedToNextMultipleOf(plainRowSize, alignment); return height * alignedRowSize; } function __colorChannelsInGlTextureFormat(format) { // Micro-optimizations for size: map format to size by subtracting smallest enum value (0x1902) from all values first. // Also omit the most common size value (1) from the list, which is assumed by formats not on the list. var colorChannels = { // 0x1902 /* GL_DEPTH_COMPONENT */ - 0x1902: 1, // 0x1906 /* GL_ALPHA */ - 0x1902: 1, 5: 3, 6: 4, // 0x1909 /* GL_LUMINANCE */ - 0x1902: 1, 8: 2, 29502: 3, 29504: 4, }; return colorChannels[format - 0x1902]||1; } function heapObjectForWebGLType(type) { // Micro-optimization for size: Subtract lowest GL enum number (0x1400/* GL_BYTE */) from type to compare // smaller values for the heap, for shorter generated code size. // Also the type HEAPU16 is not tested for explicitly, but any unrecognized type will return out HEAPU16. // (since most types are HEAPU16) type -= 0x1400; if (type == 1) return HEAPU8; if (type == 4) return HEAP32; if (type == 6) return HEAPF32; if (type == 5 || type == 28922 ) return HEAPU32; return HEAPU16; } function heapAccessShiftForWebGLHeap(heap) { return 31 - Math.clz32(heap.BYTES_PER_ELEMENT); } function emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, internalFormat) { var heap = heapObjectForWebGLType(type); var shift = heapAccessShiftForWebGLHeap(heap); var byteSize = 1<> shift, pixels + bytes >> shift); } function _emscripten_glReadPixels(x, y, width, height, format, type, pixels) { var pixelData = emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, format); if (!pixelData) { GL.recordError(0x500/*GL_INVALID_ENUM*/); return; } GLctx.readPixels(x, y, width, height, format, type, pixelData); } function _emscripten_glReleaseShaderCompiler() { // NOP (as allowed by GLES 2.0 spec) } function _emscripten_glRenderbufferStorage(x0, x1, x2, x3) { GLctx['renderbufferStorage'](x0, x1, x2, x3) } function _emscripten_glSampleCoverage(value, invert) { GLctx.sampleCoverage(value, !!invert); } function _emscripten_glScissor(x0, x1, x2, x3) { GLctx['scissor'](x0, x1, x2, x3) } function _emscripten_glShaderBinary() { GL.recordError(0x500/*GL_INVALID_ENUM*/); } function _emscripten_glShaderSource(shader, count, string, length) { var source = GL.getSource(shader, count, string, length); GLctx.shaderSource(GL.shaders[shader], source); } function _emscripten_glStencilFunc(x0, x1, x2) { GLctx['stencilFunc'](x0, x1, x2) } function _emscripten_glStencilFuncSeparate(x0, x1, x2, x3) { GLctx['stencilFuncSeparate'](x0, x1, x2, x3) } function _emscripten_glStencilMask(x0) { GLctx['stencilMask'](x0) } function _emscripten_glStencilMaskSeparate(x0, x1) { GLctx['stencilMaskSeparate'](x0, x1) } function _emscripten_glStencilOp(x0, x1, x2) { GLctx['stencilOp'](x0, x1, x2) } function _emscripten_glStencilOpSeparate(x0, x1, x2, x3) { GLctx['stencilOpSeparate'](x0, x1, x2, x3) } function _emscripten_glTexImage2D(target, level, internalFormat, width, height, border, format, type, pixels) { GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, pixels ? emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, internalFormat) : null); } function _emscripten_glTexParameterf(x0, x1, x2) { GLctx['texParameterf'](x0, x1, x2) } function _emscripten_glTexParameterfv(target, pname, params) { var param = HEAPF32[((params)>>2)]; GLctx.texParameterf(target, pname, param); } function _emscripten_glTexParameteri(x0, x1, x2) { GLctx['texParameteri'](x0, x1, x2) } function _emscripten_glTexParameteriv(target, pname, params) { var param = HEAP32[((params)>>2)]; GLctx.texParameteri(target, pname, param); } function _emscripten_glTexSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixels) { var pixelData = null; if (pixels) pixelData = emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, 0); GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixelData); } function _emscripten_glUniform1f(location, v0) { GLctx.uniform1f(webglGetUniformLocation(location), v0); } var miniTempWebGLFloatBuffers = []; function _emscripten_glUniform1fv(location, count, value) { if (count <= 288) { // avoid allocation when uploading few enough uniforms var view = miniTempWebGLFloatBuffers[count-1]; for (var i = 0; i < count; ++i) { view[i] = HEAPF32[(((value)+(4*i))>>2)]; } } else { var view = HEAPF32.subarray((value)>>2, (value+count*4)>>2); } GLctx.uniform1fv(webglGetUniformLocation(location), view); } function _emscripten_glUniform1i(location, v0) { GLctx.uniform1i(webglGetUniformLocation(location), v0); } var __miniTempWebGLIntBuffers = []; function _emscripten_glUniform1iv(location, count, value) { if (count <= 288) { // avoid allocation when uploading few enough uniforms var view = __miniTempWebGLIntBuffers[count-1]; for (var i = 0; i < count; ++i) { view[i] = HEAP32[(((value)+(4*i))>>2)]; } } else { var view = HEAP32.subarray((value)>>2, (value+count*4)>>2); } GLctx.uniform1iv(webglGetUniformLocation(location), view); } function _emscripten_glUniform2f(location, v0, v1) { GLctx.uniform2f(webglGetUniformLocation(location), v0, v1); } function _emscripten_glUniform2fv(location, count, value) { if (count <= 144) { // avoid allocation when uploading few enough uniforms var view = miniTempWebGLFloatBuffers[2*count-1]; for (var i = 0; i < 2*count; i += 2) { view[i] = HEAPF32[(((value)+(4*i))>>2)]; view[i+1] = HEAPF32[(((value)+(4*i+4))>>2)]; } } else { var view = HEAPF32.subarray((value)>>2, (value+count*8)>>2); } GLctx.uniform2fv(webglGetUniformLocation(location), view); } function _emscripten_glUniform2i(location, v0, v1) { GLctx.uniform2i(webglGetUniformLocation(location), v0, v1); } function _emscripten_glUniform2iv(location, count, value) { if (count <= 144) { // avoid allocation when uploading few enough uniforms var view = __miniTempWebGLIntBuffers[2*count-1]; for (var i = 0; i < 2*count; i += 2) { view[i] = HEAP32[(((value)+(4*i))>>2)]; view[i+1] = HEAP32[(((value)+(4*i+4))>>2)]; } } else { var view = HEAP32.subarray((value)>>2, (value+count*8)>>2); } GLctx.uniform2iv(webglGetUniformLocation(location), view); } function _emscripten_glUniform3f(location, v0, v1, v2) { GLctx.uniform3f(webglGetUniformLocation(location), v0, v1, v2); } function _emscripten_glUniform3fv(location, count, value) { if (count <= 96) { // avoid allocation when uploading few enough uniforms var view = miniTempWebGLFloatBuffers[3*count-1]; for (var i = 0; i < 3*count; i += 3) { view[i] = HEAPF32[(((value)+(4*i))>>2)]; view[i+1] = HEAPF32[(((value)+(4*i+4))>>2)]; view[i+2] = HEAPF32[(((value)+(4*i+8))>>2)]; } } else { var view = HEAPF32.subarray((value)>>2, (value+count*12)>>2); } GLctx.uniform3fv(webglGetUniformLocation(location), view); } function _emscripten_glUniform3i(location, v0, v1, v2) { GLctx.uniform3i(webglGetUniformLocation(location), v0, v1, v2); } function _emscripten_glUniform3iv(location, count, value) { if (count <= 96) { // avoid allocation when uploading few enough uniforms var view = __miniTempWebGLIntBuffers[3*count-1]; for (var i = 0; i < 3*count; i += 3) { view[i] = HEAP32[(((value)+(4*i))>>2)]; view[i+1] = HEAP32[(((value)+(4*i+4))>>2)]; view[i+2] = HEAP32[(((value)+(4*i+8))>>2)]; } } else { var view = HEAP32.subarray((value)>>2, (value+count*12)>>2); } GLctx.uniform3iv(webglGetUniformLocation(location), view); } function _emscripten_glUniform4f(location, v0, v1, v2, v3) { GLctx.uniform4f(webglGetUniformLocation(location), v0, v1, v2, v3); } function _emscripten_glUniform4fv(location, count, value) { if (count <= 72) { // avoid allocation when uploading few enough uniforms var view = miniTempWebGLFloatBuffers[4*count-1]; // hoist the heap out of the loop for size and for pthreads+growth. var heap = HEAPF32; value >>= 2; for (var i = 0; i < 4 * count; i += 4) { var dst = value + i; view[i] = heap[dst]; view[i + 1] = heap[dst + 1]; view[i + 2] = heap[dst + 2]; view[i + 3] = heap[dst + 3]; } } else { var view = HEAPF32.subarray((value)>>2, (value+count*16)>>2); } GLctx.uniform4fv(webglGetUniformLocation(location), view); } function _emscripten_glUniform4i(location, v0, v1, v2, v3) { GLctx.uniform4i(webglGetUniformLocation(location), v0, v1, v2, v3); } function _emscripten_glUniform4iv(location, count, value) { if (count <= 72) { // avoid allocation when uploading few enough uniforms var view = __miniTempWebGLIntBuffers[4*count-1]; for (var i = 0; i < 4*count; i += 4) { view[i] = HEAP32[(((value)+(4*i))>>2)]; view[i+1] = HEAP32[(((value)+(4*i+4))>>2)]; view[i+2] = HEAP32[(((value)+(4*i+8))>>2)]; view[i+3] = HEAP32[(((value)+(4*i+12))>>2)]; } } else { var view = HEAP32.subarray((value)>>2, (value+count*16)>>2); } GLctx.uniform4iv(webglGetUniformLocation(location), view); } function _emscripten_glUniformMatrix2fv(location, count, transpose, value) { if (count <= 72) { // avoid allocation when uploading few enough uniforms var view = miniTempWebGLFloatBuffers[4*count-1]; for (var i = 0; i < 4*count; i += 4) { view[i] = HEAPF32[(((value)+(4*i))>>2)]; view[i+1] = HEAPF32[(((value)+(4*i+4))>>2)]; view[i+2] = HEAPF32[(((value)+(4*i+8))>>2)]; view[i+3] = HEAPF32[(((value)+(4*i+12))>>2)]; } } else { var view = HEAPF32.subarray((value)>>2, (value+count*16)>>2); } GLctx.uniformMatrix2fv(webglGetUniformLocation(location), !!transpose, view); } function _emscripten_glUniformMatrix3fv(location, count, transpose, value) { if (count <= 32) { // avoid allocation when uploading few enough uniforms var view = miniTempWebGLFloatBuffers[9*count-1]; for (var i = 0; i < 9*count; i += 9) { view[i] = HEAPF32[(((value)+(4*i))>>2)]; view[i+1] = HEAPF32[(((value)+(4*i+4))>>2)]; view[i+2] = HEAPF32[(((value)+(4*i+8))>>2)]; view[i+3] = HEAPF32[(((value)+(4*i+12))>>2)]; view[i+4] = HEAPF32[(((value)+(4*i+16))>>2)]; view[i+5] = HEAPF32[(((value)+(4*i+20))>>2)]; view[i+6] = HEAPF32[(((value)+(4*i+24))>>2)]; view[i+7] = HEAPF32[(((value)+(4*i+28))>>2)]; view[i+8] = HEAPF32[(((value)+(4*i+32))>>2)]; } } else { var view = HEAPF32.subarray((value)>>2, (value+count*36)>>2); } GLctx.uniformMatrix3fv(webglGetUniformLocation(location), !!transpose, view); } function _emscripten_glUniformMatrix4fv(location, count, transpose, value) { if (count <= 18) { // avoid allocation when uploading few enough uniforms var view = miniTempWebGLFloatBuffers[16*count-1]; // hoist the heap out of the loop for size and for pthreads+growth. var heap = HEAPF32; value >>= 2; for (var i = 0; i < 16 * count; i += 16) { var dst = value + i; view[i] = heap[dst]; view[i + 1] = heap[dst + 1]; view[i + 2] = heap[dst + 2]; view[i + 3] = heap[dst + 3]; view[i + 4] = heap[dst + 4]; view[i + 5] = heap[dst + 5]; view[i + 6] = heap[dst + 6]; view[i + 7] = heap[dst + 7]; view[i + 8] = heap[dst + 8]; view[i + 9] = heap[dst + 9]; view[i + 10] = heap[dst + 10]; view[i + 11] = heap[dst + 11]; view[i + 12] = heap[dst + 12]; view[i + 13] = heap[dst + 13]; view[i + 14] = heap[dst + 14]; view[i + 15] = heap[dst + 15]; } } else { var view = HEAPF32.subarray((value)>>2, (value+count*64)>>2); } GLctx.uniformMatrix4fv(webglGetUniformLocation(location), !!transpose, view); } function _emscripten_glUseProgram(program) { program = GL.programs[program]; GLctx.useProgram(program); // Record the currently active program so that we can access the uniform // mapping table of that program. GLctx.currentProgram = program; } function _emscripten_glValidateProgram(program) { GLctx.validateProgram(GL.programs[program]); } function _emscripten_glVertexAttrib1f(x0, x1) { GLctx['vertexAttrib1f'](x0, x1) } function _emscripten_glVertexAttrib1fv(index, v) { GLctx.vertexAttrib1f(index, HEAPF32[v>>2]); } function _emscripten_glVertexAttrib2f(x0, x1, x2) { GLctx['vertexAttrib2f'](x0, x1, x2) } function _emscripten_glVertexAttrib2fv(index, v) { GLctx.vertexAttrib2f(index, HEAPF32[v>>2], HEAPF32[v+4>>2]); } function _emscripten_glVertexAttrib3f(x0, x1, x2, x3) { GLctx['vertexAttrib3f'](x0, x1, x2, x3) } function _emscripten_glVertexAttrib3fv(index, v) { GLctx.vertexAttrib3f(index, HEAPF32[v>>2], HEAPF32[v+4>>2], HEAPF32[v+8>>2]); } function _emscripten_glVertexAttrib4f(x0, x1, x2, x3, x4) { GLctx['vertexAttrib4f'](x0, x1, x2, x3, x4) } function _emscripten_glVertexAttrib4fv(index, v) { GLctx.vertexAttrib4f(index, HEAPF32[v>>2], HEAPF32[v+4>>2], HEAPF32[v+8>>2], HEAPF32[v+12>>2]); } function _emscripten_glVertexAttribDivisorANGLE(index, divisor) { GLctx['vertexAttribDivisor'](index, divisor); } function _emscripten_glVertexAttribPointer(index, size, type, normalized, stride, ptr) { GLctx.vertexAttribPointer(index, size, type, !!normalized, stride, ptr); } function _emscripten_glViewport(x0, x1, x2, x3) { GLctx['viewport'](x0, x1, x2, x3) } function _emscripten_has_asyncify() { return 0; } function _emscripten_memcpy_big(dest, src, num) { HEAPU8.copyWithin(dest, src, src + num); } function doRequestFullscreen(target, strategy) { if (!JSEvents.fullscreenEnabled()) return -1; target = findEventTarget(target); if (!target) return -4; if (!target.requestFullscreen && !target.webkitRequestFullscreen ) { return -3; } var canPerformRequests = JSEvents.canPerformEventHandlerRequests(); // Queue this function call if we're not currently in an event handler and the user saw it appropriate to do so. if (!canPerformRequests) { if (strategy.deferUntilInEventHandler) { JSEvents.deferCall(JSEvents_requestFullscreen, 1 /* priority over pointer lock */, [target, strategy]); return 1; } return -2; } return JSEvents_requestFullscreen(target, strategy); } function _emscripten_request_fullscreen_strategy(target, deferUntilInEventHandler, fullscreenStrategy) { var strategy = { scaleMode: HEAP32[((fullscreenStrategy)>>2)], canvasResolutionScaleMode: HEAP32[(((fullscreenStrategy)+(4))>>2)], filteringMode: HEAP32[(((fullscreenStrategy)+(8))>>2)], deferUntilInEventHandler: deferUntilInEventHandler, canvasResizedCallback: HEAP32[(((fullscreenStrategy)+(12))>>2)], canvasResizedCallbackUserData: HEAP32[(((fullscreenStrategy)+(16))>>2)] }; return doRequestFullscreen(target, strategy); } function _emscripten_request_pointerlock(target, deferUntilInEventHandler) { target = findEventTarget(target); if (!target) return -4; if (!target.requestPointerLock && !target.msRequestPointerLock ) { return -1; } var canPerformRequests = JSEvents.canPerformEventHandlerRequests(); // Queue this function call if we're not currently in an event handler and the user saw it appropriate to do so. if (!canPerformRequests) { if (deferUntilInEventHandler) { JSEvents.deferCall(requestPointerLock, 2 /* priority below fullscreen */, [target]); return 1; } return -2; } return requestPointerLock(target); } function getHeapMax() { return HEAPU8.length; } function abortOnCannotGrowMemory(requestedSize) { abort('Cannot enlarge memory arrays to size ' + requestedSize + ' bytes (OOM). Either (1) compile with -sINITIAL_MEMORY=X with X higher than the current value ' + HEAP8.length + ', (2) compile with -sALLOW_MEMORY_GROWTH which allows increasing the size at runtime, or (3) if you want malloc to return NULL (0) instead of this abort, compile with -sABORTING_MALLOC=0'); } function _emscripten_resize_heap(requestedSize) { var oldSize = HEAPU8.length; requestedSize = requestedSize >>> 0; abortOnCannotGrowMemory(requestedSize); } function _emscripten_sample_gamepad_data() { return (JSEvents.lastGamepadState = (navigator.getGamepads ? navigator.getGamepads() : (navigator.webkitGetGamepads ? navigator.webkitGetGamepads() : null))) ? 0 : -1; } function registerBeforeUnloadEventCallback(target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString) { var beforeUnloadEventHandlerFunc = function(ev) { var e = ev || event; // Note: This is always called on the main browser thread, since it needs synchronously return a value! var confirmationMessage = getWasmTableEntry(callbackfunc)(eventTypeId, 0, userData); if (confirmationMessage) { confirmationMessage = UTF8ToString(confirmationMessage); } if (confirmationMessage) { e.preventDefault(); e.returnValue = confirmationMessage; return confirmationMessage; } }; var eventHandler = { target: findEventTarget(target), eventTypeString: eventTypeString, callbackfunc: callbackfunc, handlerFunc: beforeUnloadEventHandlerFunc, useCapture: useCapture }; JSEvents.registerOrRemoveHandler(eventHandler); } function _emscripten_set_beforeunload_callback_on_thread(userData, callbackfunc, targetThread) { if (typeof onbeforeunload == 'undefined') return -1; // beforeunload callback can only be registered on the main browser thread, because the page will go away immediately after returning from the handler, // and there is no time to start proxying it anywhere. if (targetThread !== 1) return -5; registerBeforeUnloadEventCallback(2, userData, true, callbackfunc, 28, "beforeunload"); return 0; } function registerFocusEventCallback(target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) { if (!JSEvents.focusEvent) JSEvents.focusEvent = _malloc( 256 ); var focusEventHandlerFunc = function(ev) { var e = ev || event; var nodeName = JSEvents.getNodeNameForTarget(e.target); var id = e.target.id ? e.target.id : ''; var focusEvent = JSEvents.focusEvent; stringToUTF8(nodeName, focusEvent + 0, 128); stringToUTF8(id, focusEvent + 128, 128); if (getWasmTableEntry(callbackfunc)(eventTypeId, focusEvent, userData)) e.preventDefault(); }; var eventHandler = { target: findEventTarget(target), eventTypeString: eventTypeString, callbackfunc: callbackfunc, handlerFunc: focusEventHandlerFunc, useCapture: useCapture }; JSEvents.registerOrRemoveHandler(eventHandler); } function _emscripten_set_blur_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) { registerFocusEventCallback(target, userData, useCapture, callbackfunc, 12, "blur", targetThread); return 0; } function _emscripten_set_element_css_size(target, width, height) { target = findEventTarget(target); if (!target) return -4; target.style.width = width + "px"; target.style.height = height + "px"; return 0; } function _emscripten_set_focus_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) { registerFocusEventCallback(target, userData, useCapture, callbackfunc, 13, "focus", targetThread); return 0; } function fillFullscreenChangeEventData(eventStruct) { var fullscreenElement = document.fullscreenElement || document.mozFullScreenElement || document.webkitFullscreenElement || document.msFullscreenElement; var isFullscreen = !!fullscreenElement; // Assigning a boolean to HEAP32 with expected type coercion. /** @suppress{checkTypes} */ HEAP32[((eventStruct)>>2)] = isFullscreen; HEAP32[(((eventStruct)+(4))>>2)] = JSEvents.fullscreenEnabled(); // If transitioning to fullscreen, report info about the element that is now fullscreen. // If transitioning to windowed mode, report info about the element that just was fullscreen. var reportedElement = isFullscreen ? fullscreenElement : JSEvents.previousFullscreenElement; var nodeName = JSEvents.getNodeNameForTarget(reportedElement); var id = (reportedElement && reportedElement.id) ? reportedElement.id : ''; stringToUTF8(nodeName, eventStruct + 8, 128); stringToUTF8(id, eventStruct + 136, 128); HEAP32[(((eventStruct)+(264))>>2)] = reportedElement ? reportedElement.clientWidth : 0; HEAP32[(((eventStruct)+(268))>>2)] = reportedElement ? reportedElement.clientHeight : 0; HEAP32[(((eventStruct)+(272))>>2)] = screen.width; HEAP32[(((eventStruct)+(276))>>2)] = screen.height; if (isFullscreen) { JSEvents.previousFullscreenElement = fullscreenElement; } } function registerFullscreenChangeEventCallback(target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) { if (!JSEvents.fullscreenChangeEvent) JSEvents.fullscreenChangeEvent = _malloc( 280 ); var fullscreenChangeEventhandlerFunc = function(ev) { var e = ev || event; var fullscreenChangeEvent = JSEvents.fullscreenChangeEvent; fillFullscreenChangeEventData(fullscreenChangeEvent); if (getWasmTableEntry(callbackfunc)(eventTypeId, fullscreenChangeEvent, userData)) e.preventDefault(); }; var eventHandler = { target: target, eventTypeString: eventTypeString, callbackfunc: callbackfunc, handlerFunc: fullscreenChangeEventhandlerFunc, useCapture: useCapture }; JSEvents.registerOrRemoveHandler(eventHandler); } function _emscripten_set_fullscreenchange_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) { if (!JSEvents.fullscreenEnabled()) return -1; target = findEventTarget(target); if (!target) return -4; registerFullscreenChangeEventCallback(target, userData, useCapture, callbackfunc, 19, "fullscreenchange", targetThread); // Unprefixed Fullscreen API shipped in Chromium 71 (https://bugs.chromium.org/p/chromium/issues/detail?id=383813) // As of Safari 13.0.3 on macOS Catalina 10.15.1 still ships with prefixed webkitfullscreenchange. TODO: revisit this check once Safari ships unprefixed version. registerFullscreenChangeEventCallback(target, userData, useCapture, callbackfunc, 19, "webkitfullscreenchange", targetThread); return 0; } function registerGamepadEventCallback(target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) { if (!JSEvents.gamepadEvent) JSEvents.gamepadEvent = _malloc( 1432 ); var gamepadEventHandlerFunc = function(ev) { var e = ev || event; var gamepadEvent = JSEvents.gamepadEvent; fillGamepadEventData(gamepadEvent, e["gamepad"]); if (getWasmTableEntry(callbackfunc)(eventTypeId, gamepadEvent, userData)) e.preventDefault(); }; var eventHandler = { target: findEventTarget(target), allowsDeferredCalls: true, eventTypeString: eventTypeString, callbackfunc: callbackfunc, handlerFunc: gamepadEventHandlerFunc, useCapture: useCapture }; JSEvents.registerOrRemoveHandler(eventHandler); } function _emscripten_set_gamepadconnected_callback_on_thread(userData, useCapture, callbackfunc, targetThread) { if (!navigator.getGamepads && !navigator.webkitGetGamepads) return -1; registerGamepadEventCallback(2, userData, useCapture, callbackfunc, 26, "gamepadconnected", targetThread); return 0; } function _emscripten_set_gamepaddisconnected_callback_on_thread(userData, useCapture, callbackfunc, targetThread) { if (!navigator.getGamepads && !navigator.webkitGetGamepads) return -1; registerGamepadEventCallback(2, userData, useCapture, callbackfunc, 27, "gamepaddisconnected", targetThread); return 0; } function registerKeyEventCallback(target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) { if (!JSEvents.keyEvent) JSEvents.keyEvent = _malloc( 176 ); var keyEventHandlerFunc = function(e) { assert(e); var keyEventData = JSEvents.keyEvent; HEAPF64[((keyEventData)>>3)] = e.timeStamp; var idx = keyEventData >> 2; HEAP32[idx + 2] = e.location; HEAP32[idx + 3] = e.ctrlKey; HEAP32[idx + 4] = e.shiftKey; HEAP32[idx + 5] = e.altKey; HEAP32[idx + 6] = e.metaKey; HEAP32[idx + 7] = e.repeat; HEAP32[idx + 8] = e.charCode; HEAP32[idx + 9] = e.keyCode; HEAP32[idx + 10] = e.which; stringToUTF8(e.key || '', keyEventData + 44, 32); stringToUTF8(e.code || '', keyEventData + 76, 32); stringToUTF8(e.char || '', keyEventData + 108, 32); stringToUTF8(e.locale || '', keyEventData + 140, 32); if (getWasmTableEntry(callbackfunc)(eventTypeId, keyEventData, userData)) e.preventDefault(); }; var eventHandler = { target: findEventTarget(target), allowsDeferredCalls: true, eventTypeString: eventTypeString, callbackfunc: callbackfunc, handlerFunc: keyEventHandlerFunc, useCapture: useCapture }; JSEvents.registerOrRemoveHandler(eventHandler); } function _emscripten_set_keydown_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) { registerKeyEventCallback(target, userData, useCapture, callbackfunc, 2, "keydown", targetThread); return 0; } function _emscripten_set_keypress_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) { registerKeyEventCallback(target, userData, useCapture, callbackfunc, 1, "keypress", targetThread); return 0; } function _emscripten_set_keyup_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) { registerKeyEventCallback(target, userData, useCapture, callbackfunc, 3, "keyup", targetThread); return 0; } function fillMouseEventData(eventStruct, e, target) { assert(eventStruct % 4 == 0); HEAPF64[((eventStruct)>>3)] = e.timeStamp; var idx = eventStruct >> 2; HEAP32[idx + 2] = e.screenX; HEAP32[idx + 3] = e.screenY; HEAP32[idx + 4] = e.clientX; HEAP32[idx + 5] = e.clientY; HEAP32[idx + 6] = e.ctrlKey; HEAP32[idx + 7] = e.shiftKey; HEAP32[idx + 8] = e.altKey; HEAP32[idx + 9] = e.metaKey; HEAP16[idx*2 + 20] = e.button; HEAP16[idx*2 + 21] = e.buttons; HEAP32[idx + 11] = e["movementX"] ; HEAP32[idx + 12] = e["movementY"] ; var rect = getBoundingClientRect(target); HEAP32[idx + 13] = e.clientX - rect.left; HEAP32[idx + 14] = e.clientY - rect.top; } function registerMouseEventCallback(target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) { if (!JSEvents.mouseEvent) JSEvents.mouseEvent = _malloc( 72 ); target = findEventTarget(target); var mouseEventHandlerFunc = function(ev) { var e = ev || event; // TODO: Make this access thread safe, or this could update live while app is reading it. fillMouseEventData(JSEvents.mouseEvent, e, target); if (getWasmTableEntry(callbackfunc)(eventTypeId, JSEvents.mouseEvent, userData)) e.preventDefault(); }; var eventHandler = { target: target, allowsDeferredCalls: eventTypeString != 'mousemove' && eventTypeString != 'mouseenter' && eventTypeString != 'mouseleave', // Mouse move events do not allow fullscreen/pointer lock requests to be handled in them! eventTypeString: eventTypeString, callbackfunc: callbackfunc, handlerFunc: mouseEventHandlerFunc, useCapture: useCapture }; JSEvents.registerOrRemoveHandler(eventHandler); } function _emscripten_set_mousedown_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) { registerMouseEventCallback(target, userData, useCapture, callbackfunc, 5, "mousedown", targetThread); return 0; } function _emscripten_set_mouseenter_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) { registerMouseEventCallback(target, userData, useCapture, callbackfunc, 33, "mouseenter", targetThread); return 0; } function _emscripten_set_mouseleave_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) { registerMouseEventCallback(target, userData, useCapture, callbackfunc, 34, "mouseleave", targetThread); return 0; } function _emscripten_set_mousemove_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) { registerMouseEventCallback(target, userData, useCapture, callbackfunc, 8, "mousemove", targetThread); return 0; } function _emscripten_set_mouseup_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) { registerMouseEventCallback(target, userData, useCapture, callbackfunc, 6, "mouseup", targetThread); return 0; } function fillPointerlockChangeEventData(eventStruct) { var pointerLockElement = document.pointerLockElement || document.mozPointerLockElement || document.webkitPointerLockElement || document.msPointerLockElement; var isPointerlocked = !!pointerLockElement; // Assigning a boolean to HEAP32 with expected type coercion. /** @suppress{checkTypes} */ HEAP32[((eventStruct)>>2)] = isPointerlocked; var nodeName = JSEvents.getNodeNameForTarget(pointerLockElement); var id = (pointerLockElement && pointerLockElement.id) ? pointerLockElement.id : ''; stringToUTF8(nodeName, eventStruct + 4, 128); stringToUTF8(id, eventStruct + 132, 128); } function registerPointerlockChangeEventCallback(target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) { if (!JSEvents.pointerlockChangeEvent) JSEvents.pointerlockChangeEvent = _malloc( 260 ); var pointerlockChangeEventHandlerFunc = function(ev) { var e = ev || event; var pointerlockChangeEvent = JSEvents.pointerlockChangeEvent; fillPointerlockChangeEventData(pointerlockChangeEvent); if (getWasmTableEntry(callbackfunc)(eventTypeId, pointerlockChangeEvent, userData)) e.preventDefault(); }; var eventHandler = { target: target, eventTypeString: eventTypeString, callbackfunc: callbackfunc, handlerFunc: pointerlockChangeEventHandlerFunc, useCapture: useCapture }; JSEvents.registerOrRemoveHandler(eventHandler); } /** @suppress {missingProperties} */ function _emscripten_set_pointerlockchange_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) { // TODO: Currently not supported in pthreads or in --proxy-to-worker mode. (In pthreads mode, document object is not defined) if (!document || !document.body || (!document.body.requestPointerLock && !document.body.mozRequestPointerLock && !document.body.webkitRequestPointerLock && !document.body.msRequestPointerLock)) { return -1; } target = findEventTarget(target); if (!target) return -4; registerPointerlockChangeEventCallback(target, userData, useCapture, callbackfunc, 20, "pointerlockchange", targetThread); registerPointerlockChangeEventCallback(target, userData, useCapture, callbackfunc, 20, "mozpointerlockchange", targetThread); registerPointerlockChangeEventCallback(target, userData, useCapture, callbackfunc, 20, "webkitpointerlockchange", targetThread); registerPointerlockChangeEventCallback(target, userData, useCapture, callbackfunc, 20, "mspointerlockchange", targetThread); return 0; } function registerUiEventCallback(target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) { if (!JSEvents.uiEvent) JSEvents.uiEvent = _malloc( 36 ); target = findEventTarget(target); var uiEventHandlerFunc = function(ev) { var e = ev || event; if (e.target != target) { // Never take ui events such as scroll via a 'bubbled' route, but always from the direct element that // was targeted. Otherwise e.g. if app logs a message in response to a page scroll, the Emscripten log // message box could cause to scroll, generating a new (bubbled) scroll message, causing a new log print, // causing a new scroll, etc.. return; } var b = document.body; // Take document.body to a variable, Closure compiler does not outline access to it on its own. if (!b) { // During a page unload 'body' can be null, with "Cannot read property 'clientWidth' of null" being thrown return; } var uiEvent = JSEvents.uiEvent; HEAP32[((uiEvent)>>2)] = e.detail; HEAP32[(((uiEvent)+(4))>>2)] = b.clientWidth; HEAP32[(((uiEvent)+(8))>>2)] = b.clientHeight; HEAP32[(((uiEvent)+(12))>>2)] = innerWidth; HEAP32[(((uiEvent)+(16))>>2)] = innerHeight; HEAP32[(((uiEvent)+(20))>>2)] = outerWidth; HEAP32[(((uiEvent)+(24))>>2)] = outerHeight; HEAP32[(((uiEvent)+(28))>>2)] = pageXOffset; HEAP32[(((uiEvent)+(32))>>2)] = pageYOffset; if (getWasmTableEntry(callbackfunc)(eventTypeId, uiEvent, userData)) e.preventDefault(); }; var eventHandler = { target: target, eventTypeString: eventTypeString, callbackfunc: callbackfunc, handlerFunc: uiEventHandlerFunc, useCapture: useCapture }; JSEvents.registerOrRemoveHandler(eventHandler); } function _emscripten_set_resize_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) { registerUiEventCallback(target, userData, useCapture, callbackfunc, 10, "resize", targetThread); return 0; } function registerTouchEventCallback(target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) { if (!JSEvents.touchEvent) JSEvents.touchEvent = _malloc( 1696 ); target = findEventTarget(target); var touchEventHandlerFunc = function(e) { assert(e); var t, touches = {}, et = e.touches; // To ease marshalling different kinds of touches that browser reports (all touches are listed in e.touches, // only changed touches in e.changedTouches, and touches on target at a.targetTouches), mark a boolean in // each Touch object so that we can later loop only once over all touches we see to marshall over to Wasm. for (var i = 0; i < et.length; ++i) { t = et[i]; // Browser might recycle the generated Touch objects between each frame (Firefox on Android), so reset any // changed/target states we may have set from previous frame. t.isChanged = t.onTarget = 0; touches[t.identifier] = t; } // Mark which touches are part of the changedTouches list. for (var i = 0; i < e.changedTouches.length; ++i) { t = e.changedTouches[i]; t.isChanged = 1; touches[t.identifier] = t; } // Mark which touches are part of the targetTouches list. for (var i = 0; i < e.targetTouches.length; ++i) { touches[e.targetTouches[i].identifier].onTarget = 1; } var touchEvent = JSEvents.touchEvent; HEAPF64[((touchEvent)>>3)] = e.timeStamp; var idx = touchEvent>>2; // Pre-shift the ptr to index to HEAP32 to save code size HEAP32[idx + 3] = e.ctrlKey; HEAP32[idx + 4] = e.shiftKey; HEAP32[idx + 5] = e.altKey; HEAP32[idx + 6] = e.metaKey; idx += 7; // Advance to the start of the touch array. var targetRect = getBoundingClientRect(target); var numTouches = 0; for (var i in touches) { t = touches[i]; HEAP32[idx + 0] = t.identifier; HEAP32[idx + 1] = t.screenX; HEAP32[idx + 2] = t.screenY; HEAP32[idx + 3] = t.clientX; HEAP32[idx + 4] = t.clientY; HEAP32[idx + 5] = t.pageX; HEAP32[idx + 6] = t.pageY; HEAP32[idx + 7] = t.isChanged; HEAP32[idx + 8] = t.onTarget; HEAP32[idx + 9] = t.clientX - targetRect.left; HEAP32[idx + 10] = t.clientY - targetRect.top; idx += 13; if (++numTouches > 31) { break; } } HEAP32[(((touchEvent)+(8))>>2)] = numTouches; if (getWasmTableEntry(callbackfunc)(eventTypeId, touchEvent, userData)) e.preventDefault(); }; var eventHandler = { target: target, allowsDeferredCalls: eventTypeString == 'touchstart' || eventTypeString == 'touchend', eventTypeString: eventTypeString, callbackfunc: callbackfunc, handlerFunc: touchEventHandlerFunc, useCapture: useCapture }; JSEvents.registerOrRemoveHandler(eventHandler); } function _emscripten_set_touchcancel_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) { registerTouchEventCallback(target, userData, useCapture, callbackfunc, 25, "touchcancel", targetThread); return 0; } function _emscripten_set_touchend_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) { registerTouchEventCallback(target, userData, useCapture, callbackfunc, 23, "touchend", targetThread); return 0; } function _emscripten_set_touchmove_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) { registerTouchEventCallback(target, userData, useCapture, callbackfunc, 24, "touchmove", targetThread); return 0; } function _emscripten_set_touchstart_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) { registerTouchEventCallback(target, userData, useCapture, callbackfunc, 22, "touchstart", targetThread); return 0; } function fillVisibilityChangeEventData(eventStruct) { var visibilityStates = [ "hidden", "visible", "prerender", "unloaded" ]; var visibilityState = visibilityStates.indexOf(document.visibilityState); // Assigning a boolean to HEAP32 with expected type coercion. /** @suppress{checkTypes} */ HEAP32[((eventStruct)>>2)] = document.hidden; HEAP32[(((eventStruct)+(4))>>2)] = visibilityState; } function registerVisibilityChangeEventCallback(target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) { if (!JSEvents.visibilityChangeEvent) JSEvents.visibilityChangeEvent = _malloc( 8 ); var visibilityChangeEventHandlerFunc = function(ev) { var e = ev || event; var visibilityChangeEvent = JSEvents.visibilityChangeEvent; fillVisibilityChangeEventData(visibilityChangeEvent); if (getWasmTableEntry(callbackfunc)(eventTypeId, visibilityChangeEvent, userData)) e.preventDefault(); }; var eventHandler = { target: target, eventTypeString: eventTypeString, callbackfunc: callbackfunc, handlerFunc: visibilityChangeEventHandlerFunc, useCapture: useCapture }; JSEvents.registerOrRemoveHandler(eventHandler); } function _emscripten_set_visibilitychange_callback_on_thread(userData, useCapture, callbackfunc, targetThread) { registerVisibilityChangeEventCallback(specialHTMLTargets[1], userData, useCapture, callbackfunc, 21, "visibilitychange", targetThread); return 0; } function registerWheelEventCallback(target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) { if (!JSEvents.wheelEvent) JSEvents.wheelEvent = _malloc( 104 ); // The DOM Level 3 events spec event 'wheel' var wheelHandlerFunc = function(ev) { var e = ev || event; var wheelEvent = JSEvents.wheelEvent; fillMouseEventData(wheelEvent, e, target); HEAPF64[(((wheelEvent)+(72))>>3)] = e["deltaX"]; HEAPF64[(((wheelEvent)+(80))>>3)] = e["deltaY"]; HEAPF64[(((wheelEvent)+(88))>>3)] = e["deltaZ"]; HEAP32[(((wheelEvent)+(96))>>2)] = e["deltaMode"]; if (getWasmTableEntry(callbackfunc)(eventTypeId, wheelEvent, userData)) e.preventDefault(); }; var eventHandler = { target: target, allowsDeferredCalls: true, eventTypeString: eventTypeString, callbackfunc: callbackfunc, handlerFunc: wheelHandlerFunc, useCapture: useCapture }; JSEvents.registerOrRemoveHandler(eventHandler); } function _emscripten_set_wheel_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) { target = findEventTarget(target); if (typeof target.onwheel != 'undefined') { registerWheelEventCallback(target, userData, useCapture, callbackfunc, 9, "wheel", targetThread); return 0; } else { return -1; } } function _emscripten_set_window_title(title) { setWindowTitle(UTF8ToString(title)); } function _emscripten_sleep() { throw 'Please compile your program with async support in order to use asynchronous operations like emscripten_sleep'; } var ENV = {}; function getExecutableName() { return thisProgram || './this.program'; } function getEnvStrings() { if (!getEnvStrings.strings) { // Default values. // Browser language detection #8751 var lang = ((typeof navigator == 'object' && navigator.languages && navigator.languages[0]) || 'C').replace('-', '_') + '.UTF-8'; var env = { 'USER': 'web_user', 'LOGNAME': 'web_user', 'PATH': '/', 'PWD': '/', 'HOME': '/home/web_user', 'LANG': lang, '_': getExecutableName() }; // Apply the user-provided values, if any. for (var x in ENV) { // x is a key in ENV; if ENV[x] is undefined, that means it was // explicitly set to be so. We allow user code to do that to // force variables with default values to remain unset. if (ENV[x] === undefined) delete env[x]; else env[x] = ENV[x]; } var strings = []; for (var x in env) { strings.push(x + '=' + env[x]); } getEnvStrings.strings = strings; } return getEnvStrings.strings; } /** @param {boolean=} dontAddNull */ function writeAsciiToMemory(str, buffer, dontAddNull) { for (var i = 0; i < str.length; ++i) { assert(str.charCodeAt(i) === (str.charCodeAt(i) & 0xff)); HEAP8[((buffer++)>>0)] = str.charCodeAt(i); } // Null-terminate the pointer to the HEAP. if (!dontAddNull) HEAP8[((buffer)>>0)] = 0; } function _environ_get(__environ, environ_buf) { var bufSize = 0; getEnvStrings().forEach(function(string, i) { var ptr = environ_buf + bufSize; HEAPU32[(((__environ)+(i*4))>>2)] = ptr; writeAsciiToMemory(string, ptr); bufSize += string.length + 1; }); return 0; } function _environ_sizes_get(penviron_count, penviron_buf_size) { var strings = getEnvStrings(); HEAPU32[((penviron_count)>>2)] = strings.length; var bufSize = 0; strings.forEach(function(string) { bufSize += string.length + 1; }); HEAPU32[((penviron_buf_size)>>2)] = bufSize; return 0; } function _fd_close(fd) { try { var stream = SYSCALLS.getStreamFromFD(fd); FS.close(stream); return 0; } catch (e) { if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; return e.errno; } } /** @param {number=} offset */ function doReadv(stream, iov, iovcnt, offset) { var ret = 0; for (var i = 0; i < iovcnt; i++) { var ptr = HEAPU32[((iov)>>2)]; var len = HEAPU32[(((iov)+(4))>>2)]; iov += 8; var curr = FS.read(stream, HEAP8,ptr, len, offset); if (curr < 0) return -1; ret += curr; if (curr < len) break; // nothing more to read } 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 instanceof FS.ErrnoError)) throw e; return e.errno; } } function convertI32PairToI53Checked(lo, hi) { assert(lo == (lo >>> 0) || lo == (lo|0)); // lo should either be a i32 or a u32 assert(hi === (hi|0)); // hi should be a i32 return ((hi + 0x200000) >>> 0 < 0x400001 - !!lo) ? (lo >>> 0) + hi * 4294967296 : NaN; } function _fd_seek(fd, offset_low, offset_high, whence, newOffset) { try { var offset = convertI32PairToI53Checked(offset_low, offset_high); if (isNaN(offset)) return 61; var stream = SYSCALLS.getStreamFromFD(fd); FS.llseek(stream, offset, whence); (tempI64 = [stream.position>>>0,(tempDouble=stream.position,(+(Math.abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? ((Math.min((+(Math.floor((tempDouble)/4294967296.0))), 4294967295.0))|0)>>>0 : (~~((+(Math.ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)],HEAP32[((newOffset)>>2)] = tempI64[0],HEAP32[(((newOffset)+(4))>>2)] = tempI64[1]); if (stream.getdents && offset === 0 && whence === 0) stream.getdents = null; // reset readdir state return 0; } catch (e) { if (typeof FS == 'undefined' || !(e instanceof FS.ErrnoError)) throw e; return e.errno; } } /** @param {number=} offset */ function doWritev(stream, iov, iovcnt, offset) { var ret = 0; for (var i = 0; i < iovcnt; i++) { var ptr = HEAPU32[((iov)>>2)]; var len = HEAPU32[(((iov)+(4))>>2)]; iov += 8; var curr = FS.write(stream, HEAP8,ptr, len, offset); if (curr < 0) return -1; ret += curr; } 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 instanceof FS.ErrnoError)) throw e; return e.errno; } } function uleb128Encode(n, target) { assert(n < 16384); if (n < 128) { target.push(n); } else { target.push((n % 128) | 128, n >> 7); } } function sigToWasmTypes(sig) { var typeNames = { 'i': 'i32', 'j': 'i64', 'f': 'f32', 'd': 'f64', 'p': 'i32', }; var type = { parameters: [], results: sig[0] == 'v' ? [] : [typeNames[sig[0]]] }; for (var i = 1; i < sig.length; ++i) { assert(sig[i] in typeNames, 'invalid signature char: ' + sig[i]); type.parameters.push(typeNames[sig[i]]); } return type; } function convertJsFunctionToWasm(func, sig) { // If the type reflection proposal is available, use the new // "WebAssembly.Function" constructor. // Otherwise, construct a minimal wasm module importing the JS function and // re-exporting it. if (typeof WebAssembly.Function == "function") { return new WebAssembly.Function(sigToWasmTypes(sig), func); } // The module is static, with the exception of the type section, which is // generated based on the signature passed in. var typeSectionBody = [ 0x01, // count: 1 0x60, // form: func ]; var sigRet = sig.slice(0, 1); var sigParam = sig.slice(1); var typeCodes = { 'i': 0x7f, // i32 'p': 0x7f, // i32 'j': 0x7e, // i64 'f': 0x7d, // f32 'd': 0x7c, // f64 }; // Parameters, length + signatures uleb128Encode(sigParam.length, typeSectionBody); for (var i = 0; i < sigParam.length; ++i) { assert(sigParam[i] in typeCodes, 'invalid signature char: ' + sigParam[i]); typeSectionBody.push(typeCodes[sigParam[i]]); } // Return values, length + signatures // With no multi-return in MVP, either 0 (void) or 1 (anything else) if (sigRet == 'v') { typeSectionBody.push(0x00); } else { typeSectionBody.push(0x01, typeCodes[sigRet]); } // Rest of the module is static var bytes = [ 0x00, 0x61, 0x73, 0x6d, // magic ("\0asm") 0x01, 0x00, 0x00, 0x00, // version: 1 0x01, // Type section code ]; // Write the overall length of the type section followed by the body uleb128Encode(typeSectionBody.length, bytes); bytes.push.apply(bytes, typeSectionBody); // The rest of the module is static bytes.push( 0x02, 0x07, // import section // (import "e" "f" (func 0 (type 0))) 0x01, 0x01, 0x65, 0x01, 0x66, 0x00, 0x00, 0x07, 0x05, // export section // (export "f" (func 0 (type 0))) 0x01, 0x01, 0x66, 0x00, 0x00, ); // We can compile this wasm module synchronously because it is very small. // This accepts an import (at "e.f"), that it reroutes to an export (at "f") var module = new WebAssembly.Module(new Uint8Array(bytes)); var instance = new WebAssembly.Instance(module, { 'e': { 'f': func } }); var wrappedFunc = instance.exports['f']; return wrappedFunc; } function updateTableMap(offset, count) { if (functionsInTableMap) { for (var i = offset; i < offset + count; i++) { var item = getWasmTableEntry(i); // Ignore null values. if (item) { functionsInTableMap.set(item, i); } } } } var functionsInTableMap = undefined; var freeTableIndexes = []; function getEmptyTableSlot() { // Reuse a free index if there is one, otherwise grow. if (freeTableIndexes.length) { return freeTableIndexes.pop(); } // Grow the table try { wasmTable.grow(1); } catch (err) { if (!(err instanceof RangeError)) { throw err; } throw 'Unable to grow wasm table. Set ALLOW_TABLE_GROWTH.'; } return wasmTable.length - 1; } function setWasmTableEntry(idx, func) { wasmTable.set(idx, func); // With ABORT_ON_WASM_EXCEPTIONS wasmTable.get is overriden to return wrapped // functions so we need to call it here to retrieve the potential wrapper correctly // instead of just storing 'func' directly into wasmTableMirror wasmTableMirror[idx] = wasmTable.get(idx); } /** @param {string=} sig */ function addFunction(func, sig) { assert(typeof func != 'undefined'); // Check if the function is already in the table, to ensure each function // gets a unique index. First, create the map if this is the first use. if (!functionsInTableMap) { functionsInTableMap = new WeakMap(); updateTableMap(0, wasmTable.length); } if (functionsInTableMap.has(func)) { return functionsInTableMap.get(func); } // It's not in the table, add it now. var ret = getEmptyTableSlot(); // Set the new value. try { // Attempting to call this with JS function will cause of table.set() to fail setWasmTableEntry(ret, func); } catch (err) { if (!(err instanceof TypeError)) { throw err; } assert(typeof sig != 'undefined', 'Missing signature argument to addFunction: ' + func); var wrapped = convertJsFunctionToWasm(func, sig); setWasmTableEntry(ret, wrapped); } functionsInTableMap.set(func, ret); return ret; } function removeFunction(index) { functionsInTableMap.delete(getWasmTableEntry(index)); freeTableIndexes.push(index); } var ALLOC_NORMAL = 0; var ALLOC_STACK = 1; function allocate(slab, allocator) { var ret; assert(typeof allocator == 'number', 'allocate no longer takes a type argument') assert(typeof slab != 'number', 'allocate no longer takes a number as arg0') if (allocator == ALLOC_STACK) { ret = stackAlloc(slab.length); } else { ret = _malloc(slab.length); } if (!slab.subarray && !slab.slice) { slab = new Uint8Array(slab); } HEAPU8.set(slab, ret); return ret; } function AsciiToString(ptr) { var str = ''; while (1) { var ch = HEAPU8[((ptr++)>>0)]; if (!ch) return str; str += String.fromCharCode(ch); } } function stringToAscii(str, outPtr) { return writeAsciiToMemory(str, outPtr, false); } var UTF16Decoder = typeof TextDecoder != 'undefined' ? new TextDecoder('utf-16le') : undefined;; function UTF16ToString(ptr, maxBytesToRead) { assert(ptr % 2 == 0, 'Pointer passed to UTF16ToString must be aligned to two bytes!'); var endPtr = ptr; // TextDecoder needs to know the byte length in advance, it doesn't stop on null terminator by itself. // Also, use the length info to avoid running tiny strings through TextDecoder, since .subarray() allocates garbage. var idx = endPtr >> 1; var maxIdx = idx + maxBytesToRead / 2; // If maxBytesToRead is not passed explicitly, it will be undefined, and this // will always evaluate to true. This saves on code size. while (!(idx >= maxIdx) && HEAPU16[idx]) ++idx; endPtr = idx << 1; if (endPtr - ptr > 32 && UTF16Decoder) { return UTF16Decoder.decode(HEAPU8.subarray(ptr, endPtr)); } else { var str = ''; // If maxBytesToRead is not passed explicitly, it will be undefined, and the for-loop's condition // will always evaluate to true. The loop is then terminated on the first null char. for (var i = 0; !(i >= maxBytesToRead / 2); ++i) { var codeUnit = HEAP16[(((ptr)+(i*2))>>1)]; if (codeUnit == 0) break; // fromCharCode constructs a character from a UTF-16 code unit, so we can pass the UTF16 string right through. str += String.fromCharCode(codeUnit); } return str; } } function stringToUTF16(str, outPtr, maxBytesToWrite) { assert(outPtr % 2 == 0, 'Pointer passed to stringToUTF16 must be aligned to two bytes!'); assert(typeof maxBytesToWrite == 'number', 'stringToUTF16(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!'); // Backwards compatibility: if max bytes is not specified, assume unsafe unbounded write is allowed. if (maxBytesToWrite === undefined) { maxBytesToWrite = 0x7FFFFFFF; } if (maxBytesToWrite < 2) return 0; maxBytesToWrite -= 2; // Null terminator. var startPtr = outPtr; var numCharsToWrite = (maxBytesToWrite < str.length*2) ? (maxBytesToWrite / 2) : str.length; for (var i = 0; i < numCharsToWrite; ++i) { // charCodeAt returns a UTF-16 encoded code unit, so it can be directly written to the HEAP. var codeUnit = str.charCodeAt(i); // possibly a lead surrogate HEAP16[((outPtr)>>1)] = codeUnit; outPtr += 2; } // Null-terminate the pointer to the HEAP. HEAP16[((outPtr)>>1)] = 0; return outPtr - startPtr; } function lengthBytesUTF16(str) { return str.length*2; } function UTF32ToString(ptr, maxBytesToRead) { assert(ptr % 4 == 0, 'Pointer passed to UTF32ToString must be aligned to four bytes!'); var i = 0; var str = ''; // If maxBytesToRead is not passed explicitly, it will be undefined, and this // will always evaluate to true. This saves on code size. while (!(i >= maxBytesToRead / 4)) { var utf32 = HEAP32[(((ptr)+(i*4))>>2)]; if (utf32 == 0) break; ++i; // Gotcha: fromCharCode constructs a character from a UTF-16 encoded code (pair), not from a Unicode code point! So encode the code point to UTF-16 for constructing. // See http://unicode.org/faq/utf_bom.html#utf16-3 if (utf32 >= 0x10000) { var ch = utf32 - 0x10000; str += String.fromCharCode(0xD800 | (ch >> 10), 0xDC00 | (ch & 0x3FF)); } else { str += String.fromCharCode(utf32); } } return str; } function stringToUTF32(str, outPtr, maxBytesToWrite) { assert(outPtr % 4 == 0, 'Pointer passed to stringToUTF32 must be aligned to four bytes!'); assert(typeof maxBytesToWrite == 'number', 'stringToUTF32(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!'); // Backwards compatibility: if max bytes is not specified, assume unsafe unbounded write is allowed. if (maxBytesToWrite === undefined) { maxBytesToWrite = 0x7FFFFFFF; } if (maxBytesToWrite < 4) return 0; var startPtr = outPtr; var endPtr = startPtr + maxBytesToWrite - 4; for (var i = 0; i < str.length; ++i) { // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! We must decode the string to UTF-32 to the heap. // See http://unicode.org/faq/utf_bom.html#utf16-3 var codeUnit = str.charCodeAt(i); // possibly a lead surrogate if (codeUnit >= 0xD800 && codeUnit <= 0xDFFF) { var trailSurrogate = str.charCodeAt(++i); codeUnit = 0x10000 + ((codeUnit & 0x3FF) << 10) | (trailSurrogate & 0x3FF); } HEAP32[((outPtr)>>2)] = codeUnit; outPtr += 4; if (outPtr + 4 > endPtr) break; } // Null-terminate the pointer to the HEAP. HEAP32[((outPtr)>>2)] = 0; return outPtr - startPtr; } function lengthBytesUTF32(str) { var len = 0; for (var i = 0; i < str.length; ++i) { // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! We must decode the string to UTF-32 to the heap. // See http://unicode.org/faq/utf_bom.html#utf16-3 var codeUnit = str.charCodeAt(i); if (codeUnit >= 0xD800 && codeUnit <= 0xDFFF) ++i; // possibly a lead surrogate, so skip over the tail surrogate. len += 4; } return len; } function allocateUTF8OnStack(str) { var size = lengthBytesUTF8(str) + 1; var ret = stackAlloc(size); stringToUTF8Array(str, HEAP8, ret, size); return ret; } /** @deprecated @param {boolean=} dontAddNull */ function writeStringToMemory(string, buffer, dontAddNull) { warnOnce('writeStringToMemory is deprecated and should not be called! Use stringToUTF8() instead!'); var /** @type {number} */ lastChar, /** @type {number} */ end; if (dontAddNull) { // stringToUTF8Array always appends null. If we don't want to do that, remember the // character that existed at the location where the null will be placed, and restore // that after the write (below). end = buffer + lengthBytesUTF8(string); lastChar = HEAP8[end]; } stringToUTF8(string, buffer, Infinity); if (dontAddNull) HEAP8[end] = lastChar; // Restore the value under the null character. } function intArrayToString(array) { var ret = []; for (var i = 0; i < array.length; i++) { var chr = array[i]; if (chr > 0xFF) { if (ASSERTIONS) { assert(false, 'Character code ' + chr + ' (' + String.fromCharCode(chr) + ') at offset ' + i + ' not in 0x00-0xFF.'); } chr &= 0xFF; } ret.push(String.fromCharCode(chr)); } return ret.join(''); } function getCFunc(ident) { var func = Module['_' + ident]; // closure exported function assert(func, 'Cannot call unknown function ' + ident + ', make sure it is exported'); return func; } /** * @param {string|null=} returnType * @param {Array=} argTypes * @param {Arguments|Array=} args * @param {Object=} opts */ function ccall(ident, returnType, argTypes, args, opts) { // For fast lookup of conversion functions var toC = { 'string': (str) => { var ret = 0; if (str !== null && str !== undefined && str !== 0) { // null string // at most 4 bytes per UTF-8 code point, +1 for the trailing '\0' var len = (str.length << 2) + 1; ret = stackAlloc(len); stringToUTF8(str, ret, len); } return ret; }, 'array': (arr) => { var ret = stackAlloc(arr.length); writeArrayToMemory(arr, ret); return ret; } }; function convertReturnValue(ret) { if (returnType === 'string') { return UTF8ToString(ret); } if (returnType === 'boolean') return Boolean(ret); return ret; } var func = getCFunc(ident); var cArgs = []; var stack = 0; assert(returnType !== 'array', 'Return type should not be "array".'); if (args) { for (var i = 0; i < args.length; i++) { var converter = toC[argTypes[i]]; if (converter) { if (stack === 0) stack = stackSave(); cArgs[i] = converter(args[i]); } else { cArgs[i] = args[i]; } } } var ret = func.apply(null, cArgs); function onDone(ret) { if (stack !== 0) stackRestore(stack); return convertReturnValue(ret); } ret = onDone(ret); return ret; } /** * @param {string=} returnType * @param {Array=} argTypes * @param {Object=} opts */ function cwrap(ident, returnType, argTypes, opts) { return function() { return ccall(ident, returnType, argTypes, arguments, opts); } } var FSNode = /** @constructor */ function(parent, name, mode, rdev) { if (!parent) { parent = this; // root node sets parent to itself } this.parent = parent; this.mount = parent.mount; this.mounted = null; this.id = FS.nextInode++; this.name = name; this.mode = mode; this.node_ops = {}; this.stream_ops = {}; this.rdev = rdev; }; var readMode = 292/*292*/ | 73/*73*/; var writeMode = 146/*146*/; Object.defineProperties(FSNode.prototype, { read: { get: /** @this{FSNode} */function() { return (this.mode & readMode) === readMode; }, set: /** @this{FSNode} */function(val) { val ? this.mode |= readMode : this.mode &= ~readMode; } }, write: { get: /** @this{FSNode} */function() { return (this.mode & writeMode) === writeMode; }, set: /** @this{FSNode} */function(val) { val ? this.mode |= writeMode : this.mode &= ~writeMode; } }, isFolder: { get: /** @this{FSNode} */function() { return FS.isDir(this.mode); } }, isDevice: { get: /** @this{FSNode} */function() { return FS.isChrdev(this.mode); } } }); FS.FSNode = FSNode; FS.staticInit();Module["FS_createPath"] = FS.createPath;Module["FS_createDataFile"] = FS.createDataFile;Module["FS_createPreloadedFile"] = FS.createPreloadedFile;Module["FS_unlink"] = FS.unlink;Module["FS_createLazyFile"] = FS.createLazyFile;Module["FS_createDevice"] = FS.createDevice;; ERRNO_CODES = { 'EPERM': 63, 'ENOENT': 44, 'ESRCH': 71, 'EINTR': 27, 'EIO': 29, 'ENXIO': 60, 'E2BIG': 1, 'ENOEXEC': 45, 'EBADF': 8, 'ECHILD': 12, 'EAGAIN': 6, 'EWOULDBLOCK': 6, 'ENOMEM': 48, 'EACCES': 2, 'EFAULT': 21, 'ENOTBLK': 105, 'EBUSY': 10, 'EEXIST': 20, 'EXDEV': 75, 'ENODEV': 43, 'ENOTDIR': 54, 'EISDIR': 31, 'EINVAL': 28, 'ENFILE': 41, 'EMFILE': 33, 'ENOTTY': 59, 'ETXTBSY': 74, 'EFBIG': 22, 'ENOSPC': 51, 'ESPIPE': 70, 'EROFS': 69, 'EMLINK': 34, 'EPIPE': 64, 'EDOM': 18, 'ERANGE': 68, 'ENOMSG': 49, 'EIDRM': 24, 'ECHRNG': 106, 'EL2NSYNC': 156, 'EL3HLT': 107, 'EL3RST': 108, 'ELNRNG': 109, 'EUNATCH': 110, 'ENOCSI': 111, 'EL2HLT': 112, 'EDEADLK': 16, 'ENOLCK': 46, 'EBADE': 113, 'EBADR': 114, 'EXFULL': 115, 'ENOANO': 104, 'EBADRQC': 103, 'EBADSLT': 102, 'EDEADLOCK': 16, 'EBFONT': 101, 'ENOSTR': 100, 'ENODATA': 116, 'ETIME': 117, 'ENOSR': 118, 'ENONET': 119, 'ENOPKG': 120, 'EREMOTE': 121, 'ENOLINK': 47, 'EADV': 122, 'ESRMNT': 123, 'ECOMM': 124, 'EPROTO': 65, 'EMULTIHOP': 36, 'EDOTDOT': 125, 'EBADMSG': 9, 'ENOTUNIQ': 126, 'EBADFD': 127, 'EREMCHG': 128, 'ELIBACC': 129, 'ELIBBAD': 130, 'ELIBSCN': 131, 'ELIBMAX': 132, 'ELIBEXEC': 133, 'ENOSYS': 52, 'ENOTEMPTY': 55, 'ENAMETOOLONG': 37, 'ELOOP': 32, 'EOPNOTSUPP': 138, 'EPFNOSUPPORT': 139, 'ECONNRESET': 15, 'ENOBUFS': 42, 'EAFNOSUPPORT': 5, 'EPROTOTYPE': 67, 'ENOTSOCK': 57, 'ENOPROTOOPT': 50, 'ESHUTDOWN': 140, 'ECONNREFUSED': 14, 'EADDRINUSE': 3, 'ECONNABORTED': 13, 'ENETUNREACH': 40, 'ENETDOWN': 38, 'ETIMEDOUT': 73, 'EHOSTDOWN': 142, 'EHOSTUNREACH': 23, 'EINPROGRESS': 26, 'EALREADY': 7, 'EDESTADDRREQ': 17, 'EMSGSIZE': 35, 'EPROTONOSUPPORT': 66, 'ESOCKTNOSUPPORT': 137, 'EADDRNOTAVAIL': 4, 'ENETRESET': 39, 'EISCONN': 30, 'ENOTCONN': 53, 'ETOOMANYREFS': 141, 'EUSERS': 136, 'EDQUOT': 19, 'ESTALE': 72, 'ENOTSUP': 138, 'ENOMEDIUM': 148, 'EILSEQ': 25, 'EOVERFLOW': 61, 'ECANCELED': 11, 'ENOTRECOVERABLE': 56, 'EOWNERDEAD': 62, 'ESTRPIPE': 135, };; // exports Module["requestFullscreen"] = function Module_requestFullscreen(lockPointer, resizeCanvas) { Browser.requestFullscreen(lockPointer, resizeCanvas) }; Module["requestFullScreen"] = function Module_requestFullScreen() { Browser.requestFullScreen() }; Module["requestAnimationFrame"] = function Module_requestAnimationFrame(func) { Browser.requestAnimationFrame(func) }; Module["setCanvasSize"] = function Module_setCanvasSize(width, height, noUpdates) { Browser.setCanvasSize(width, height, noUpdates) }; Module["pauseMainLoop"] = function Module_pauseMainLoop() { Browser.mainLoop.pause() }; Module["resumeMainLoop"] = function Module_resumeMainLoop() { Browser.mainLoop.resume() }; Module["getUserMedia"] = function Module_getUserMedia() { Browser.getUserMedia() }; Module["createContext"] = function Module_createContext(canvas, useWebGL, setInModule, webGLContextAttributes) { return Browser.createContext(canvas, useWebGL, setInModule, webGLContextAttributes) }; var preloadedImages = {}; var preloadedAudios = {};; var GLctx;; for (var i = 0; i < 32; ++i) tempFixedLengthArray.push(new Array(i));; var miniTempWebGLFloatBuffersStorage = new Float32Array(288); for (/**@suppress{duplicate}*/var i = 0; i < 288; ++i) { miniTempWebGLFloatBuffers[i] = miniTempWebGLFloatBuffersStorage.subarray(0, i+1); } ; var __miniTempWebGLIntBuffersStorage = new Int32Array(288); for (/**@suppress{duplicate}*/var i = 0; i < 288; ++i) { __miniTempWebGLIntBuffers[i] = __miniTempWebGLIntBuffersStorage.subarray(0, i+1); } ; var ASSERTIONS = true; // Copied from https://github.com/strophe/strophejs/blob/e06d027/src/polyfills.js#L149 // This code was written by Tyler Akins and has been placed in the // public domain. It would be nice if you left this header intact. // Base64 code from Tyler Akins -- http://rumkin.com /** * Decodes a base64 string. * @param {string} input The string to decode. */ var decodeBase64 = typeof atob == 'function' ? atob : function (input) { var keyStr = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/='; var output = ''; var chr1, chr2, chr3; var enc1, enc2, enc3, enc4; var i = 0; // remove all characters that are not A-Z, a-z, 0-9, +, /, or = input = input.replace(/[^A-Za-z0-9\+\/\=]/g, ''); do { enc1 = keyStr.indexOf(input.charAt(i++)); enc2 = keyStr.indexOf(input.charAt(i++)); enc3 = keyStr.indexOf(input.charAt(i++)); enc4 = keyStr.indexOf(input.charAt(i++)); chr1 = (enc1 << 2) | (enc2 >> 4); chr2 = ((enc2 & 15) << 4) | (enc3 >> 2); chr3 = ((enc3 & 3) << 6) | enc4; output = output + String.fromCharCode(chr1); if (enc3 !== 64) { output = output + String.fromCharCode(chr2); } if (enc4 !== 64) { output = output + String.fromCharCode(chr3); } } while (i < input.length); return output; }; // Converts a string of base64 into a byte array. // Throws error on invalid input. function intArrayFromBase64(s) { try { var decoded = decodeBase64(s); var bytes = new Uint8Array(decoded.length); for (var i = 0 ; i < decoded.length ; ++i) { bytes[i] = decoded.charCodeAt(i); } return bytes; } catch (_) { throw new Error('Converting base64 string to bytes failed.'); } } // If filename is a base64 data URI, parses and returns data (Buffer on node, // Uint8Array otherwise). If filename is not a base64 data URI, returns undefined. function tryParseAsDataURI(filename) { if (!isDataURI(filename)) { return; } return intArrayFromBase64(filename.slice(dataURIPrefix.length)); } function checkIncomingModuleAPI() { ignoredModuleProp('fetchSettings'); } var asmLibraryArg = { "__syscall_fcntl64": ___syscall_fcntl64, "__syscall_ioctl": ___syscall_ioctl, "__syscall_openat": ___syscall_openat, "_emscripten_date_now": __emscripten_date_now, "_emscripten_get_now_is_monotonic": __emscripten_get_now_is_monotonic, "eglBindAPI": _eglBindAPI, "eglChooseConfig": _eglChooseConfig, "eglCreateContext": _eglCreateContext, "eglCreateWindowSurface": _eglCreateWindowSurface, "eglDestroyContext": _eglDestroyContext, "eglDestroySurface": _eglDestroySurface, "eglGetConfigAttrib": _eglGetConfigAttrib, "eglGetDisplay": _eglGetDisplay, "eglGetError": _eglGetError, "eglInitialize": _eglInitialize, "eglMakeCurrent": _eglMakeCurrent, "eglQueryString": _eglQueryString, "eglSwapBuffers": _eglSwapBuffers, "eglSwapInterval": _eglSwapInterval, "eglTerminate": _eglTerminate, "eglWaitGL": _eglWaitGL, "eglWaitNative": _eglWaitNative, "emscripten_asm_const_int": _emscripten_asm_const_int, "emscripten_asm_const_int_sync_on_main_thread": _emscripten_asm_const_int_sync_on_main_thread, "emscripten_exit_fullscreen": _emscripten_exit_fullscreen, "emscripten_exit_pointerlock": _emscripten_exit_pointerlock, "emscripten_get_device_pixel_ratio": _emscripten_get_device_pixel_ratio, "emscripten_get_element_css_size": _emscripten_get_element_css_size, "emscripten_get_gamepad_status": _emscripten_get_gamepad_status, "emscripten_get_now": _emscripten_get_now, "emscripten_get_num_gamepads": _emscripten_get_num_gamepads, "emscripten_get_screen_size": _emscripten_get_screen_size, "emscripten_glActiveTexture": _emscripten_glActiveTexture, "emscripten_glAttachShader": _emscripten_glAttachShader, "emscripten_glBeginQueryEXT": _emscripten_glBeginQueryEXT, "emscripten_glBindAttribLocation": _emscripten_glBindAttribLocation, "emscripten_glBindBuffer": _emscripten_glBindBuffer, "emscripten_glBindFramebuffer": _emscripten_glBindFramebuffer, "emscripten_glBindRenderbuffer": _emscripten_glBindRenderbuffer, "emscripten_glBindTexture": _emscripten_glBindTexture, "emscripten_glBindVertexArrayOES": _emscripten_glBindVertexArrayOES, "emscripten_glBlendColor": _emscripten_glBlendColor, "emscripten_glBlendEquation": _emscripten_glBlendEquation, "emscripten_glBlendEquationSeparate": _emscripten_glBlendEquationSeparate, "emscripten_glBlendFunc": _emscripten_glBlendFunc, "emscripten_glBlendFuncSeparate": _emscripten_glBlendFuncSeparate, "emscripten_glBufferData": _emscripten_glBufferData, "emscripten_glBufferSubData": _emscripten_glBufferSubData, "emscripten_glCheckFramebufferStatus": _emscripten_glCheckFramebufferStatus, "emscripten_glClear": _emscripten_glClear, "emscripten_glClearColor": _emscripten_glClearColor, "emscripten_glClearDepthf": _emscripten_glClearDepthf, "emscripten_glClearStencil": _emscripten_glClearStencil, "emscripten_glColorMask": _emscripten_glColorMask, "emscripten_glCompileShader": _emscripten_glCompileShader, "emscripten_glCompressedTexImage2D": _emscripten_glCompressedTexImage2D, "emscripten_glCompressedTexSubImage2D": _emscripten_glCompressedTexSubImage2D, "emscripten_glCopyTexImage2D": _emscripten_glCopyTexImage2D, "emscripten_glCopyTexSubImage2D": _emscripten_glCopyTexSubImage2D, "emscripten_glCreateProgram": _emscripten_glCreateProgram, "emscripten_glCreateShader": _emscripten_glCreateShader, "emscripten_glCullFace": _emscripten_glCullFace, "emscripten_glDeleteBuffers": _emscripten_glDeleteBuffers, "emscripten_glDeleteFramebuffers": _emscripten_glDeleteFramebuffers, "emscripten_glDeleteProgram": _emscripten_glDeleteProgram, "emscripten_glDeleteQueriesEXT": _emscripten_glDeleteQueriesEXT, "emscripten_glDeleteRenderbuffers": _emscripten_glDeleteRenderbuffers, "emscripten_glDeleteShader": _emscripten_glDeleteShader, "emscripten_glDeleteTextures": _emscripten_glDeleteTextures, "emscripten_glDeleteVertexArraysOES": _emscripten_glDeleteVertexArraysOES, "emscripten_glDepthFunc": _emscripten_glDepthFunc, "emscripten_glDepthMask": _emscripten_glDepthMask, "emscripten_glDepthRangef": _emscripten_glDepthRangef, "emscripten_glDetachShader": _emscripten_glDetachShader, "emscripten_glDisable": _emscripten_glDisable, "emscripten_glDisableVertexAttribArray": _emscripten_glDisableVertexAttribArray, "emscripten_glDrawArrays": _emscripten_glDrawArrays, "emscripten_glDrawArraysInstancedANGLE": _emscripten_glDrawArraysInstancedANGLE, "emscripten_glDrawBuffersWEBGL": _emscripten_glDrawBuffersWEBGL, "emscripten_glDrawElements": _emscripten_glDrawElements, "emscripten_glDrawElementsInstancedANGLE": _emscripten_glDrawElementsInstancedANGLE, "emscripten_glEnable": _emscripten_glEnable, "emscripten_glEnableVertexAttribArray": _emscripten_glEnableVertexAttribArray, "emscripten_glEndQueryEXT": _emscripten_glEndQueryEXT, "emscripten_glFinish": _emscripten_glFinish, "emscripten_glFlush": _emscripten_glFlush, "emscripten_glFramebufferRenderbuffer": _emscripten_glFramebufferRenderbuffer, "emscripten_glFramebufferTexture2D": _emscripten_glFramebufferTexture2D, "emscripten_glFrontFace": _emscripten_glFrontFace, "emscripten_glGenBuffers": _emscripten_glGenBuffers, "emscripten_glGenFramebuffers": _emscripten_glGenFramebuffers, "emscripten_glGenQueriesEXT": _emscripten_glGenQueriesEXT, "emscripten_glGenRenderbuffers": _emscripten_glGenRenderbuffers, "emscripten_glGenTextures": _emscripten_glGenTextures, "emscripten_glGenVertexArraysOES": _emscripten_glGenVertexArraysOES, "emscripten_glGenerateMipmap": _emscripten_glGenerateMipmap, "emscripten_glGetActiveAttrib": _emscripten_glGetActiveAttrib, "emscripten_glGetActiveUniform": _emscripten_glGetActiveUniform, "emscripten_glGetAttachedShaders": _emscripten_glGetAttachedShaders, "emscripten_glGetAttribLocation": _emscripten_glGetAttribLocation, "emscripten_glGetBooleanv": _emscripten_glGetBooleanv, "emscripten_glGetBufferParameteriv": _emscripten_glGetBufferParameteriv, "emscripten_glGetError": _emscripten_glGetError, "emscripten_glGetFloatv": _emscripten_glGetFloatv, "emscripten_glGetFramebufferAttachmentParameteriv": _emscripten_glGetFramebufferAttachmentParameteriv, "emscripten_glGetIntegerv": _emscripten_glGetIntegerv, "emscripten_glGetProgramInfoLog": _emscripten_glGetProgramInfoLog, "emscripten_glGetProgramiv": _emscripten_glGetProgramiv, "emscripten_glGetQueryObjecti64vEXT": _emscripten_glGetQueryObjecti64vEXT, "emscripten_glGetQueryObjectivEXT": _emscripten_glGetQueryObjectivEXT, "emscripten_glGetQueryObjectui64vEXT": _emscripten_glGetQueryObjectui64vEXT, "emscripten_glGetQueryObjectuivEXT": _emscripten_glGetQueryObjectuivEXT, "emscripten_glGetQueryivEXT": _emscripten_glGetQueryivEXT, "emscripten_glGetRenderbufferParameteriv": _emscripten_glGetRenderbufferParameteriv, "emscripten_glGetShaderInfoLog": _emscripten_glGetShaderInfoLog, "emscripten_glGetShaderPrecisionFormat": _emscripten_glGetShaderPrecisionFormat, "emscripten_glGetShaderSource": _emscripten_glGetShaderSource, "emscripten_glGetShaderiv": _emscripten_glGetShaderiv, "emscripten_glGetString": _emscripten_glGetString, "emscripten_glGetTexParameterfv": _emscripten_glGetTexParameterfv, "emscripten_glGetTexParameteriv": _emscripten_glGetTexParameteriv, "emscripten_glGetUniformLocation": _emscripten_glGetUniformLocation, "emscripten_glGetUniformfv": _emscripten_glGetUniformfv, "emscripten_glGetUniformiv": _emscripten_glGetUniformiv, "emscripten_glGetVertexAttribPointerv": _emscripten_glGetVertexAttribPointerv, "emscripten_glGetVertexAttribfv": _emscripten_glGetVertexAttribfv, "emscripten_glGetVertexAttribiv": _emscripten_glGetVertexAttribiv, "emscripten_glHint": _emscripten_glHint, "emscripten_glIsBuffer": _emscripten_glIsBuffer, "emscripten_glIsEnabled": _emscripten_glIsEnabled, "emscripten_glIsFramebuffer": _emscripten_glIsFramebuffer, "emscripten_glIsProgram": _emscripten_glIsProgram, "emscripten_glIsQueryEXT": _emscripten_glIsQueryEXT, "emscripten_glIsRenderbuffer": _emscripten_glIsRenderbuffer, "emscripten_glIsShader": _emscripten_glIsShader, "emscripten_glIsTexture": _emscripten_glIsTexture, "emscripten_glIsVertexArrayOES": _emscripten_glIsVertexArrayOES, "emscripten_glLineWidth": _emscripten_glLineWidth, "emscripten_glLinkProgram": _emscripten_glLinkProgram, "emscripten_glPixelStorei": _emscripten_glPixelStorei, "emscripten_glPolygonOffset": _emscripten_glPolygonOffset, "emscripten_glQueryCounterEXT": _emscripten_glQueryCounterEXT, "emscripten_glReadPixels": _emscripten_glReadPixels, "emscripten_glReleaseShaderCompiler": _emscripten_glReleaseShaderCompiler, "emscripten_glRenderbufferStorage": _emscripten_glRenderbufferStorage, "emscripten_glSampleCoverage": _emscripten_glSampleCoverage, "emscripten_glScissor": _emscripten_glScissor, "emscripten_glShaderBinary": _emscripten_glShaderBinary, "emscripten_glShaderSource": _emscripten_glShaderSource, "emscripten_glStencilFunc": _emscripten_glStencilFunc, "emscripten_glStencilFuncSeparate": _emscripten_glStencilFuncSeparate, "emscripten_glStencilMask": _emscripten_glStencilMask, "emscripten_glStencilMaskSeparate": _emscripten_glStencilMaskSeparate, "emscripten_glStencilOp": _emscripten_glStencilOp, "emscripten_glStencilOpSeparate": _emscripten_glStencilOpSeparate, "emscripten_glTexImage2D": _emscripten_glTexImage2D, "emscripten_glTexParameterf": _emscripten_glTexParameterf, "emscripten_glTexParameterfv": _emscripten_glTexParameterfv, "emscripten_glTexParameteri": _emscripten_glTexParameteri, "emscripten_glTexParameteriv": _emscripten_glTexParameteriv, "emscripten_glTexSubImage2D": _emscripten_glTexSubImage2D, "emscripten_glUniform1f": _emscripten_glUniform1f, "emscripten_glUniform1fv": _emscripten_glUniform1fv, "emscripten_glUniform1i": _emscripten_glUniform1i, "emscripten_glUniform1iv": _emscripten_glUniform1iv, "emscripten_glUniform2f": _emscripten_glUniform2f, "emscripten_glUniform2fv": _emscripten_glUniform2fv, "emscripten_glUniform2i": _emscripten_glUniform2i, "emscripten_glUniform2iv": _emscripten_glUniform2iv, "emscripten_glUniform3f": _emscripten_glUniform3f, "emscripten_glUniform3fv": _emscripten_glUniform3fv, "emscripten_glUniform3i": _emscripten_glUniform3i, "emscripten_glUniform3iv": _emscripten_glUniform3iv, "emscripten_glUniform4f": _emscripten_glUniform4f, "emscripten_glUniform4fv": _emscripten_glUniform4fv, "emscripten_glUniform4i": _emscripten_glUniform4i, "emscripten_glUniform4iv": _emscripten_glUniform4iv, "emscripten_glUniformMatrix2fv": _emscripten_glUniformMatrix2fv, "emscripten_glUniformMatrix3fv": _emscripten_glUniformMatrix3fv, "emscripten_glUniformMatrix4fv": _emscripten_glUniformMatrix4fv, "emscripten_glUseProgram": _emscripten_glUseProgram, "emscripten_glValidateProgram": _emscripten_glValidateProgram, "emscripten_glVertexAttrib1f": _emscripten_glVertexAttrib1f, "emscripten_glVertexAttrib1fv": _emscripten_glVertexAttrib1fv, "emscripten_glVertexAttrib2f": _emscripten_glVertexAttrib2f, "emscripten_glVertexAttrib2fv": _emscripten_glVertexAttrib2fv, "emscripten_glVertexAttrib3f": _emscripten_glVertexAttrib3f, "emscripten_glVertexAttrib3fv": _emscripten_glVertexAttrib3fv, "emscripten_glVertexAttrib4f": _emscripten_glVertexAttrib4f, "emscripten_glVertexAttrib4fv": _emscripten_glVertexAttrib4fv, "emscripten_glVertexAttribDivisorANGLE": _emscripten_glVertexAttribDivisorANGLE, "emscripten_glVertexAttribPointer": _emscripten_glVertexAttribPointer, "emscripten_glViewport": _emscripten_glViewport, "emscripten_has_asyncify": _emscripten_has_asyncify, "emscripten_memcpy_big": _emscripten_memcpy_big, "emscripten_request_fullscreen_strategy": _emscripten_request_fullscreen_strategy, "emscripten_request_pointerlock": _emscripten_request_pointerlock, "emscripten_resize_heap": _emscripten_resize_heap, "emscripten_sample_gamepad_data": _emscripten_sample_gamepad_data, "emscripten_set_beforeunload_callback_on_thread": _emscripten_set_beforeunload_callback_on_thread, "emscripten_set_blur_callback_on_thread": _emscripten_set_blur_callback_on_thread, "emscripten_set_canvas_element_size": _emscripten_set_canvas_element_size, "emscripten_set_element_css_size": _emscripten_set_element_css_size, "emscripten_set_focus_callback_on_thread": _emscripten_set_focus_callback_on_thread, "emscripten_set_fullscreenchange_callback_on_thread": _emscripten_set_fullscreenchange_callback_on_thread, "emscripten_set_gamepadconnected_callback_on_thread": _emscripten_set_gamepadconnected_callback_on_thread, "emscripten_set_gamepaddisconnected_callback_on_thread": _emscripten_set_gamepaddisconnected_callback_on_thread, "emscripten_set_keydown_callback_on_thread": _emscripten_set_keydown_callback_on_thread, "emscripten_set_keypress_callback_on_thread": _emscripten_set_keypress_callback_on_thread, "emscripten_set_keyup_callback_on_thread": _emscripten_set_keyup_callback_on_thread, "emscripten_set_mousedown_callback_on_thread": _emscripten_set_mousedown_callback_on_thread, "emscripten_set_mouseenter_callback_on_thread": _emscripten_set_mouseenter_callback_on_thread, "emscripten_set_mouseleave_callback_on_thread": _emscripten_set_mouseleave_callback_on_thread, "emscripten_set_mousemove_callback_on_thread": _emscripten_set_mousemove_callback_on_thread, "emscripten_set_mouseup_callback_on_thread": _emscripten_set_mouseup_callback_on_thread, "emscripten_set_pointerlockchange_callback_on_thread": _emscripten_set_pointerlockchange_callback_on_thread, "emscripten_set_resize_callback_on_thread": _emscripten_set_resize_callback_on_thread, "emscripten_set_touchcancel_callback_on_thread": _emscripten_set_touchcancel_callback_on_thread, "emscripten_set_touchend_callback_on_thread": _emscripten_set_touchend_callback_on_thread, "emscripten_set_touchmove_callback_on_thread": _emscripten_set_touchmove_callback_on_thread, "emscripten_set_touchstart_callback_on_thread": _emscripten_set_touchstart_callback_on_thread, "emscripten_set_visibilitychange_callback_on_thread": _emscripten_set_visibilitychange_callback_on_thread, "emscripten_set_wheel_callback_on_thread": _emscripten_set_wheel_callback_on_thread, "emscripten_set_window_title": _emscripten_set_window_title, "emscripten_sleep": _emscripten_sleep, "environ_get": _environ_get, "environ_sizes_get": _environ_sizes_get, "exit": _exit, "fd_close": _fd_close, "fd_read": _fd_read, "fd_seek": _fd_seek, "fd_write": _fd_write }; var asm = createWasm(); /** @type {function(...*):?} */ var ___wasm_call_ctors = Module["___wasm_call_ctors"] = createExportWrapper("__wasm_call_ctors"); /** @type {function(...*):?} */ var _str = Module["_str"] = createExportWrapper("str"); /** @type {function(...*):?} */ var _pl = Module["_pl"] = createExportWrapper("pl"); /** @type {function(...*):?} */ var _b3 = Module["_b3"] = createExportWrapper("b3"); /** @type {function(...*):?} */ var _nano = Module["_nano"] = createExportWrapper("nano"); /** @type {function(...*):?} */ var _main = Module["_main"] = createExportWrapper("main"); /** @type {function(...*):?} */ var _malloc = Module["_malloc"] = createExportWrapper("malloc"); /** @type {function(...*):?} */ var _free = Module["_free"] = createExportWrapper("free"); /** @type {function(...*):?} */ var ___errno_location = Module["___errno_location"] = createExportWrapper("__errno_location"); /** @type {function(...*):?} */ var ___dl_seterr = Module["___dl_seterr"] = createExportWrapper("__dl_seterr"); /** @type {function(...*):?} */ var _memcpy = Module["_memcpy"] = createExportWrapper("memcpy"); /** @type {function(...*):?} */ var _fflush = Module["_fflush"] = createExportWrapper("fflush"); /** @type {function(...*):?} */ var _emscripten_stack_init = Module["_emscripten_stack_init"] = function() { return (_emscripten_stack_init = Module["_emscripten_stack_init"] = Module["asm"]["emscripten_stack_init"]).apply(null, arguments); }; /** @type {function(...*):?} */ var _emscripten_stack_get_free = Module["_emscripten_stack_get_free"] = function() { return (_emscripten_stack_get_free = Module["_emscripten_stack_get_free"] = Module["asm"]["emscripten_stack_get_free"]).apply(null, arguments); }; /** @type {function(...*):?} */ var _emscripten_stack_get_base = Module["_emscripten_stack_get_base"] = function() { return (_emscripten_stack_get_base = Module["_emscripten_stack_get_base"] = Module["asm"]["emscripten_stack_get_base"]).apply(null, arguments); }; /** @type {function(...*):?} */ var _emscripten_stack_get_end = Module["_emscripten_stack_get_end"] = function() { return (_emscripten_stack_get_end = Module["_emscripten_stack_get_end"] = Module["asm"]["emscripten_stack_get_end"]).apply(null, arguments); }; /** @type {function(...*):?} */ var stackSave = Module["stackSave"] = createExportWrapper("stackSave"); /** @type {function(...*):?} */ var stackRestore = Module["stackRestore"] = createExportWrapper("stackRestore"); /** @type {function(...*):?} */ var stackAlloc = Module["stackAlloc"] = createExportWrapper("stackAlloc"); /** @type {function(...*):?} */ var dynCall_jiji = Module["dynCall_jiji"] = createExportWrapper("dynCall_jiji"); /** @type {function(...*):?} */ var dynCall_ji = Module["dynCall_ji"] = createExportWrapper("dynCall_ji"); // === Auto-generated postamble setup entry stuff === Module["addRunDependency"] = addRunDependency; Module["removeRunDependency"] = removeRunDependency; Module["FS_createPath"] = FS.createPath; Module["FS_createDataFile"] = FS.createDataFile; Module["FS_createPreloadedFile"] = FS.createPreloadedFile; Module["FS_createLazyFile"] = FS.createLazyFile; Module["FS_createDevice"] = FS.createDevice; Module["FS_unlink"] = FS.unlink; Module["ccall"] = ccall; var unexportedRuntimeSymbols = [ 'run', 'UTF8ArrayToString', 'UTF8ToString', 'stringToUTF8Array', 'stringToUTF8', 'lengthBytesUTF8', 'addOnPreRun', 'addOnInit', 'addOnPreMain', 'addOnExit', 'addOnPostRun', 'FS_createFolder', 'FS_createLink', 'getLEB', 'getFunctionTables', 'alignFunctionTables', 'registerFunctions', 'prettyPrint', 'getCompilerSetting', 'print', 'printErr', 'callMain', 'abort', 'keepRuntimeAlive', 'wasmMemory', 'stackAlloc', 'stackSave', 'stackRestore', 'getTempRet0', 'setTempRet0', 'writeStackCookie', 'checkStackCookie', 'ptrToString', 'zeroMemory', 'stringToNewUTF8', 'exitJS', 'getHeapMax', 'abortOnCannotGrowMemory', 'emscripten_realloc_buffer', 'ENV', 'ERRNO_CODES', 'ERRNO_MESSAGES', 'setErrNo', 'inetPton4', 'inetNtop4', 'inetPton6', 'inetNtop6', 'readSockaddr', 'writeSockaddr', 'DNS', 'getHostByName', 'Protocols', 'Sockets', 'getRandomDevice', 'warnOnce', 'traverseStack', 'UNWIND_CACHE', 'convertPCtoSourceLocation', 'readAsmConstArgsArray', 'readAsmConstArgs', 'mainThreadEM_ASM', 'jstoi_q', 'jstoi_s', 'getExecutableName', 'listenOnce', 'autoResumeAudioContext', 'dynCallLegacy', 'getDynCaller', 'dynCall', 'handleException', 'runtimeKeepalivePush', 'runtimeKeepalivePop', 'callUserCallback', 'maybeExit', 'safeSetTimeout', 'asmjsMangle', 'asyncLoad', 'alignMemory', 'mmapAlloc', 'writeI53ToI64', 'writeI53ToI64Clamped', 'writeI53ToI64Signaling', 'writeI53ToU64Clamped', 'writeI53ToU64Signaling', 'readI53FromI64', 'readI53FromU64', 'convertI32PairToI53', 'convertI32PairToI53Checked', 'convertU32PairToI53', 'getCFunc', 'cwrap', 'uleb128Encode', 'sigToWasmTypes', 'convertJsFunctionToWasm', 'freeTableIndexes', 'functionsInTableMap', 'getEmptyTableSlot', 'updateTableMap', 'addFunction', 'removeFunction', 'reallyNegative', 'unSign', 'strLen', 'reSign', 'formatString', 'setValue', 'getValue', 'PATH', 'PATH_FS', 'intArrayFromString', 'intArrayToString', 'AsciiToString', 'stringToAscii', 'UTF16Decoder', 'UTF16ToString', 'stringToUTF16', 'lengthBytesUTF16', 'UTF32ToString', 'stringToUTF32', 'lengthBytesUTF32', 'allocateUTF8', 'allocateUTF8OnStack', 'writeStringToMemory', 'writeArrayToMemory', 'writeAsciiToMemory', 'SYSCALLS', 'getSocketFromFD', 'getSocketAddress', 'JSEvents', 'registerKeyEventCallback', 'specialHTMLTargets', 'maybeCStringToJsString', 'findEventTarget', 'findCanvasEventTarget', 'getBoundingClientRect', 'fillMouseEventData', 'registerMouseEventCallback', 'registerWheelEventCallback', 'registerUiEventCallback', 'registerFocusEventCallback', 'fillDeviceOrientationEventData', 'registerDeviceOrientationEventCallback', 'fillDeviceMotionEventData', 'registerDeviceMotionEventCallback', 'screenOrientation', 'fillOrientationChangeEventData', 'registerOrientationChangeEventCallback', 'fillFullscreenChangeEventData', 'registerFullscreenChangeEventCallback', 'JSEvents_requestFullscreen', 'JSEvents_resizeCanvasForFullscreen', 'registerRestoreOldStyle', 'hideEverythingExceptGivenElement', 'restoreHiddenElements', 'setLetterbox', 'currentFullscreenStrategy', 'restoreOldWindowedStyle', 'softFullscreenResizeWebGLRenderTarget', 'doRequestFullscreen', 'fillPointerlockChangeEventData', 'registerPointerlockChangeEventCallback', 'registerPointerlockErrorEventCallback', 'requestPointerLock', 'fillVisibilityChangeEventData', 'registerVisibilityChangeEventCallback', 'registerTouchEventCallback', 'fillGamepadEventData', 'registerGamepadEventCallback', 'registerBeforeUnloadEventCallback', 'fillBatteryEventData', 'battery', 'registerBatteryEventCallback', 'setCanvasElementSize', 'getCanvasElementSize', 'demangle', 'demangleAll', 'jsStackTrace', 'stackTrace', 'ExitStatus', 'getEnvStrings', 'checkWasiClock', 'doReadv', 'doWritev', 'dlopenMissingError', 'setImmediateWrapped', 'clearImmediateWrapped', 'polyfillSetImmediate', 'uncaughtExceptionCount', 'exceptionLast', 'exceptionCaught', 'ExceptionInfo', 'exception_addRef', 'exception_decRef', 'Browser', 'setMainLoop', 'wget', 'FS', 'MEMFS', 'TTY', 'PIPEFS', 'SOCKFS', '_setNetworkCallback', 'tempFixedLengthArray', 'miniTempWebGLFloatBuffers', 'heapObjectForWebGLType', 'heapAccessShiftForWebGLHeap', 'GL', 'emscriptenWebGLGet', 'computeUnpackAlignedImageSize', 'emscriptenWebGLGetTexPixelData', 'emscriptenWebGLGetUniform', 'webglGetUniformLocation', 'webglPrepareUniformLocationsBeforeFirstUse', 'webglGetLeftBracePos', 'emscriptenWebGLGetVertexAttrib', 'writeGLArray', 'AL', 'SDL_unicode', 'SDL_ttfContext', 'SDL_audio', 'SDL', 'SDL_gfx', 'GLUT', 'EGL', 'GLFW_Window', 'GLFW', 'GLEW', 'IDBStore', 'runAndAbortIfError', 'ALLOC_NORMAL', 'ALLOC_STACK', 'allocate', ]; unexportedRuntimeSymbols.forEach(unexportedRuntimeSymbol); var missingLibrarySymbols = [ 'ptrToString', 'emscripten_realloc_buffer', 'inetPton4', 'inetNtop4', 'inetPton6', 'inetNtop6', 'readSockaddr', 'writeSockaddr', 'getHostByName', 'traverseStack', 'convertPCtoSourceLocation', 'jstoi_s', 'getDynCaller', 'runtimeKeepalivePush', 'runtimeKeepalivePop', 'asmjsMangle', 'writeI53ToI64Clamped', 'writeI53ToI64Signaling', 'writeI53ToU64Clamped', 'writeI53ToU64Signaling', 'convertI32PairToI53', 'convertU32PairToI53', 'reallyNegative', 'unSign', 'strLen', 'reSign', 'formatString', 'getSocketFromFD', 'getSocketAddress', 'fillDeviceOrientationEventData', 'registerDeviceOrientationEventCallback', 'fillDeviceMotionEventData', 'registerDeviceMotionEventCallback', 'screenOrientation', 'fillOrientationChangeEventData', 'registerOrientationChangeEventCallback', 'hideEverythingExceptGivenElement', 'restoreHiddenElements', 'softFullscreenResizeWebGLRenderTarget', 'registerPointerlockErrorEventCallback', 'fillBatteryEventData', 'battery', 'registerBatteryEventCallback', 'checkWasiClock', 'setImmediateWrapped', 'clearImmediateWrapped', 'polyfillSetImmediate', 'ExceptionInfo', 'exception_addRef', 'exception_decRef', '_setNetworkCallback', 'writeGLArray', 'SDL_unicode', 'SDL_ttfContext', 'SDL_audio', 'GLFW_Window', 'runAndAbortIfError', ]; missingLibrarySymbols.forEach(missingLibrarySymbol) var calledRun; dependenciesFulfilled = function runCaller() { // If run has never been called, and we should call run (INVOKE_RUN is true, and Module.noInitialRun is not false) if (!calledRun) run(); if (!calledRun) dependenciesFulfilled = runCaller; // try this again later, after new deps are fulfilled }; function callMain(args) { assert(runDependencies == 0, 'cannot call main when async dependencies remain! (listen on Module["onRuntimeInitialized"])'); assert(__ATPRERUN__.length == 0, 'cannot call main when preRun functions remain to be called'); var entryFunction = Module['_main']; var argc = 0; var argv = 0; try { var ret = entryFunction(argc, argv); // In PROXY_TO_PTHREAD builds, we should never exit the runtime below, as // execution is asynchronously handed off to a pthread. // if we're not running an evented main loop, it's time to exit exitJS(ret, /* implicit = */ true); return ret; } catch (e) { return handleException(e); } } function stackCheckInit() { // This is normally called automatically during __wasm_call_ctors but need to // get these values before even running any of the ctors so we call it redundantly // here. _emscripten_stack_init(); // TODO(sbc): Move writeStackCookie to native to to avoid this. writeStackCookie(); } /** @type {function(Array=)} */ function run(args) { args = args || arguments_; if (runDependencies > 0) { return; } stackCheckInit(); preRun(); // a preRun added a dependency, run will be called later if (runDependencies > 0) { return; } function doRun() { // run may have just been called through dependencies being fulfilled just in this very frame, // or while the async setStatus time below was happening if (calledRun) return; calledRun = true; Module['calledRun'] = true; if (ABORT) return; initRuntime(); preMain(); if (Module['onRuntimeInitialized']) Module['onRuntimeInitialized'](); if (shouldRunNow) callMain(args); postRun(); } if (Module['setStatus']) { Module['setStatus']('Running...'); setTimeout(function() { setTimeout(function() { Module['setStatus'](''); }, 1); doRun(); }, 1); } else { doRun(); } checkStackCookie(); } function checkUnflushedContent() { // Compiler settings do not allow exiting the runtime, so flushing // the streams is not possible. but in ASSERTIONS mode we check // if there was something to flush, and if so tell the user they // should request that the runtime be exitable. // Normally we would not even include flush() at all, but in ASSERTIONS // builds we do so just for this check, and here we see if there is any // content to flush, that is, we check if there would have been // something a non-ASSERTIONS build would have not seen. // How we flush the streams depends on whether we are in SYSCALLS_REQUIRE_FILESYSTEM=0 // mode (which has its own special function for this; otherwise, all // the code is inside libc) var oldOut = out; var oldErr = err; var has = false; out = err = (x) => { has = true; } try { // it doesn't matter if it fails _fflush(0); // also flush in the JS FS layer ['stdout', 'stderr'].forEach(function(name) { var info = FS.analyzePath('/dev/' + name); if (!info) return; var stream = info.object; var rdev = stream.rdev; var tty = TTY.ttys[rdev]; if (tty && tty.output && tty.output.length) { has = true; } }); } catch(e) {} out = oldOut; err = oldErr; if (has) { warnOnce('stdio streams had content in them that was not flushed. you should set EXIT_RUNTIME to 1 (see the FAQ), or make sure to emit a newline when you printf etc.'); } } if (Module['preInit']) { if (typeof Module['preInit'] == 'function') Module['preInit'] = [Module['preInit']]; while (Module['preInit'].length > 0) { Module['preInit'].pop()(); } } // shouldRunNow refers to calling main(), not run(). var shouldRunNow = true; if (Module['noInitialRun']) shouldRunNow = false; run(); let bz=new BroadcastChannel('bez'); document.getElementById('btn').addEventListener('click',function(){ bz.postMessage({ data:222 });}); function pll(){ Module.ccall("pl"); } const fll=new BroadcastChannel('file'); fll.addEventListener('message',ea=> { const fill=new Uint8Array(ea.data.data); FS.writeFile('/snd/sample.wav',fill); pll(); let shutDown=new BroadcastChannel('shutDown'); shutDown.postMessage({ data:222 }); }); document.getElementById('btn3').addEventListener('click',function(){ window.open('./flac'); }); document.getElementById('btn2').addEventListener('click',function(){ document.getElementById('btn3').style.border="5px solid green"; document.getElementById('btn2').style.border="5px solid red"; document.getElementById('btn2').style.background="red"; document.getElementById('btn').style.border="5px solid green"; document.getElementById('btn7').style.border="5px solid green"; // document.getElementById('di').click(); }); document.getElementById('btn').addEventListener('click',function(){ document.getElementById('btn3').style="background-color:red;position:absolute;display:block;left:3%;top:13%;z-index:999997;border:5px solid red;border-radius:50%;"; document.getElementById('btn4').style="background-color:grey;position:absolute;display:none;left:3%;top:33%;z-index:999997;border:5px solid green;border-radius:50%;"; document.getElementById('btn5').style="background-color:pink;position:absolute;display:none;left:3%;top:43%;z-index:999997;border:5px solid green;border-radius:50%;"; document.getElementById('btn6').style="background-color:yellow;position:absolute;display:none;left:3%;top:53%;z-index:999997;border:5px solid green;border-radius:50%;"; document.getElementById('btn7').style="background-color:red;position:absolute;display:none;left:3%;top:63%;z-index:999997;border:5px solid red;border-radius:50%;"; document.getElementById('btn').style="background-color:red;position:absolute;display:none;left:3%;top:23%;z-index:999997;border:5px solid red;border-radius:50%;" }); document.getElementById('btn6').addEventListener('click',function(){ document.getElementById("contain2").style="pointer-events:none;z-index:999993;height:"+window.innerHeight+"px;width:"+window.innerHeight+"px;position:absolute;top:0;left:0;right:0;"; // document.getElementById("bcanvas").style="background-color:rgba(1,1,1,0);z-index:999992;height:100vh;width:100vh;position:absolute;top:0;"; document.getElementById("scanvas").style="position:absolute;top:0;background-color:rgba(1,1,1,0);z-index:999994;image-rendering:auto;width:"+window.innerHeight+"px;height:"+window.innerHeight+"px;"; document.getElementById('ihig').innerHTML=window.innerHeight; document.getElementById("circle").height=window.innerHeight; document.getElementById("circle").width=window.innerWidth; // document.getElementById('di').click(); }); document.getElementById('btn7').addEventListener('click',function(){ document.getElementById('btn4').style="background-color:grey;position:absolute;display:block;left:3%;top:33%;z-index:999997;border:5px solid green;border-radius:50%;"; document.getElementById('btn5').style="background-color:pink;position:absolute;display:block;left:3%;top:43%;z-index:999997;border:5px solid green;border-radius:50%;"; document.getElementById('btn3').style="background-color:red;position:absolute;display:block;left:3%;top:13%;z-index:999997;border:5px solid red;border-radius:50%;"; // document.getElementById("bcanvas").style="background-color:rgba(1,1,1,1);z-index:999994;height:100vh;width:auto;position:absolute;text-align:center;"; document.getElementById("scanvas").style="background-color:rgba(1,1,1,0);z-index:999994;height:100vh;width:auto;position:absolute;text-align:center;"; document.getElementById('btn6').style="background-color:yellow;position:absolute;display:block;left:3%;top:53%;z-index:999997;border:5px solid green;border-radius:50%;"; document.getElementById('btn').style="background-color:red;position:absolute;display:block;left:3%;top:23%;z-index:999997;border:5px solid red;border-radius:50%;"; document.getElementById('btn7').style="background-color:red;position:absolute;display:block;left:3%;top:63%;z-index:999997;border:5px solid red;border-radius:50%;"; document.getElementById('shut').innerHTML=2; // document.getElementById('di').click(); }); document.getElementById('btn').addEventListener('click',function(){ Module.ccall('str'); }); document.getElementById('btn11').addEventListener('click',function(){ Module.ccall('b3'); }); document.getElementById('btn10').addEventListener('click',function(){ document.getElementById("scanvas").style="background-color:rgba(1,1,1,0);z-index:999994;height:100vh;width:auto;position:absolute;text-align:center;"; }); document.getElementById('btn7').addEventListener('click',function(){ document.getElementById("scanvas").height=window.innerHeight*2; document.getElementById("scanvas").width=window.innerHeight*2; document.getElementById('btn4').style="background-color:grey;position:absolute;display:block;left:3%;top:33%;z-index:999997;border:5px solid green;border-radius:50%;"; document.getElementById('btn5').style="background-color:pink;position:absolute;display:block;left:3%;top:43%;z-index:999997;border:5px solid green;border-radius:50%;"; document.getElementById('btn3').style="background-color:red;position:absolute;display:block;left:3%;top:13%;z-index:999997;border:5px solid red;border-radius:50%;"; document.getElementById('btn6').style="background-color:yellow;position:absolute;display:block;left:3%;top:53%;z-index:999997;border:5px solid green;border-radius:50%;"; document.getElementById('btn').style="background-color:red;position:absolute;display:block;left:3%;top:23%;z-index:999997;border:5px solid red;border-radius:50%;"; document.getElementById('btn7').style="background-color:red;position:absolute;display:block;left:3%;top:63%;z-index:999997;border:5px solid red;border-radius:50%;"; document.getElementById('pmhig').innerHTML=window.innerHeight*2; Module.ccall("str"); }); document.getElementById('btn77').addEventListener('click',function(){ document.getElementById("scanvas").height=2880; document.getElementById("scanvas").width=2880; document.getElementById('btn4').style="background-color:grey;position:absolute;display:block;left:3%;top:33%;z-index:999997;border:5px solid green;border-radius:50%;"; document.getElementById('btn5').style="background-color:pink;position:absolute;display:block;left:3%;top:43%;z-index:999997;border:5px solid green;border-radius:50%;"; document.getElementById('btn3').style="background-color:red;position:absolute;display:block;left:3%;top:13%;z-index:999997;border:5px solid red;border-radius:50%;"; document.getElementById('btn6').style="background-color:yellow;position:absolute;display:block;left:3%;top:53%;z-index:999997;border:5px solid green;border-radius:50%;"; document.getElementById('btn').style="background-color:red;position:absolute;display:block;left:3%;top:23%;z-index:999997;border:5px solid red;border-radius:50%;"; document.getElementById('btn7').style="background-color:red;position:absolute;display:block;left:3%;top:63%;z-index:999997;border:5px solid red;border-radius:50%;"; document.getElementById('pmhig').innerHTML=2880; Module.ccall("str"); }); var tsl,slt,$ll,$h,wi,r$,$w,$r,$hi,$lt,rnum,$sc,$rn,$ls,lo,mv,vide,he,$pt,randSong; var $iwid=document.getElementById("iwid"); let $sngs=[]; let $shds=[]; function sngs(xml){ var nparser=new DOMParser(); var htmlDoc=nparser.parseFromString(xml.responseText,'text/html'); var preList=htmlDoc.getElementsByTagName("pre")[0].getElementsByTagName("a"); $sngs[0]=preList.length; console.log('Number of songs: '+$sngs[0]); for (var i=1;i'; tsl=new rSlider({target:"#timeslider",values:{min:1.00,max:45.00}, step:[0.50],labels:false,tooltip:true,scale:false,}); grab$lt();slt=($lt/1000);slt=slt*100;slt=Math.round(slt); slt=slt/100;tsl.setValues(slt); document.getElementById("menu").addEventListener("click",function(){ $ll=tsl.getValue();$ll=$ll*100;$ll=Math.round($ll);$ll=$ll/100;$ll=($ll*1000);tem.innerHTML=$ll; }); setTimeout(function(){ slt=tem.innerHTML; },8);},16);}); // setTimeout(function(){document.getElementById("btn2").click();},200); // setTimeout(function(){document.getElementById("btn11").click();},900); // setTimeout(function(){document.getElementById("btn").click();},1300); // setTimeout(function(){document.getElementById("btn10").click();},2200); setTimeout(function(){document.getElementById("btn3").click();},300); setTimeout(function(){document.getElementById("btn8").click();},2000);