diff options
| -rw-r--r-- | md/demo/naive_fft/index.js | 4771 | ||||
| -rw-r--r-- | md/demo/naive_fft/index.wasm | bin | 0 -> 62789 bytes | |||
| -rw-r--r-- | md/writeup/naive_fft_implementation_in_c.md | 123 |
3 files changed, 4894 insertions, 0 deletions
diff --git a/md/demo/naive_fft/index.js b/md/demo/naive_fft/index.js new file mode 100644 index 0000000..a118363 --- /dev/null +++ b/md/demo/naive_fft/index.js @@ -0,0 +1,4771 @@ + + +// The Module object: Our interface to the outside world. We import +// and export values on it. There are various ways Module can be used: +// 1. Not defined. We create it here +// 2. A function parameter, function(Module) { ..generated code.. } +// 3. pre-run appended it, var Module = {}; ..generated code.. +// 4. External script tag defines var Module. +// We need to check if Module already exists (e.g. case 3 above). +// Substitution will be replaced with actual code on later stage of the build, +// this way Closure Compiler will not mangle it (e.g. case 4. above). +// Note that if you want to run closure, and also to use Module +// after the generated code, you will need to define var Module = {}; +// before the code. Then that object will be used in the code, and you +// can continue to use Module afterwards as well. +var Module = typeof Module !== 'undefined' ? Module : {}; + + + +// --pre-jses are emitted after the Module integration code, so that they can +// refer to Module (if they choose; they can also define Module) +// {{PRE_JSES}} + +// Sometimes an existing Module object exists with properties +// meant to overwrite the default module functionality. Here +// we collect those properties and reapply _after_ we configure +// the current environment's defaults to avoid having to be so +// defensive during initialization. +var moduleOverrides = {}; +var key; +for (key in Module) { + if (Module.hasOwnProperty(key)) { + moduleOverrides[key] = Module[key]; + } +} + +var arguments_ = []; +var thisProgram = './this.program'; +var quit_ = function(status, toThrow) { + throw toThrow; +}; + +// Determine the runtime environment we are in. You can customize this by +// setting the ENVIRONMENT setting at compile time (see settings.js). + +var ENVIRONMENT_IS_WEB = false; +var ENVIRONMENT_IS_WORKER = false; +var ENVIRONMENT_IS_NODE = false; +var ENVIRONMENT_IS_SHELL = false; +ENVIRONMENT_IS_WEB = typeof window === 'object'; +ENVIRONMENT_IS_WORKER = typeof importScripts === 'function'; +// N.b. Electron.js environment is simultaneously a NODE-environment, but +// also a web environment. +ENVIRONMENT_IS_NODE = typeof process === 'object' && typeof process.versions === 'object' && typeof process.versions.node === 'string'; +ENVIRONMENT_IS_SHELL = !ENVIRONMENT_IS_WEB && !ENVIRONMENT_IS_NODE && !ENVIRONMENT_IS_WORKER; + +if (Module['ENVIRONMENT']) { + throw new Error('Module.ENVIRONMENT has been deprecated. To force the environment, use the ENVIRONMENT compile-time option (for example, -s ENVIRONMENT=web or -s ENVIRONMENT=node)'); +} + + + +// `/` should be present at the end if `scriptDirectory` is not empty +var scriptDirectory = ''; +function locateFile(path) { + if (Module['locateFile']) { + return Module['locateFile'](path, scriptDirectory); + } + return scriptDirectory + path; +} + +// Hooks that are implemented differently in different runtime environments. +var read_, + readAsync, + readBinary, + setWindowTitle; + +var nodeFS; +var nodePath; + +if (ENVIRONMENT_IS_NODE) { + if (ENVIRONMENT_IS_WORKER) { + scriptDirectory = require('path').dirname(scriptDirectory) + '/'; + } else { + scriptDirectory = __dirname + '/'; + } + + + + +read_ = function shell_read(filename, binary) { + if (!nodeFS) nodeFS = require('fs'); + if (!nodePath) nodePath = require('path'); + filename = nodePath['normalize'](filename); + return nodeFS['readFileSync'](filename, binary ? null : 'utf8'); +}; + +readBinary = function readBinary(filename) { + var ret = read_(filename, true); + if (!ret.buffer) { + ret = new Uint8Array(ret); + } + assert(ret.buffer); + return ret; +}; + + + + if (process['argv'].length > 1) { + thisProgram = process['argv'][1].replace(/\\/g, '/'); + } + + arguments_ = process['argv'].slice(2); + + if (typeof module !== 'undefined') { + module['exports'] = Module; + } + + process['on']('uncaughtException', function(ex) { + // suppress ExitStatus exceptions from showing an error + if (!(ex instanceof ExitStatus)) { + throw ex; + } + }); + + process['on']('unhandledRejection', abort); + + quit_ = function(status) { + process['exit'](status); + }; + + Module['inspect'] = function () { return '[Emscripten Module object]'; }; + + + +} else +if (ENVIRONMENT_IS_SHELL) { + + + if (typeof read != 'undefined') { + read_ = function shell_read(f) { + return read(f); + }; + } + + readBinary = function readBinary(f) { + var data; + if (typeof readbuffer === 'function') { + return new Uint8Array(readbuffer(f)); + } + data = read(f, 'binary'); + assert(typeof data === 'object'); + return data; + }; + + if (typeof scriptArgs != 'undefined') { + arguments_ = scriptArgs; + } else if (typeof arguments != 'undefined') { + arguments_ = arguments; + } + + if (typeof quit === 'function') { + quit_ = function(status) { + 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 (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.indexOf('blob:') !== 0) { + scriptDirectory = scriptDirectory.substr(0, scriptDirectory.lastIndexOf('/')+1); + } else { + scriptDirectory = ''; + } + + + // Differentiate the Web Worker from the Node Worker case, as reading must + // be done differently. + { + + + + + read_ = function shell_read(url) { + var xhr = new XMLHttpRequest(); + xhr.open('GET', url, false); + xhr.send(null); + return xhr.responseText; + }; + + if (ENVIRONMENT_IS_WORKER) { + readBinary = function 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 = function readAsync(url, onload, onerror) { + var xhr = new XMLHttpRequest(); + xhr.open('GET', url, true); + xhr.responseType = 'arraybuffer'; + xhr.onload = function 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); + }; + + + + + } + + setWindowTitle = function(title) { document.title = title }; +} else +{ + throw new Error('environment detection error'); +} + + +// Set up the out() and err() hooks, which are how we can print to stdout or +// stderr, respectively. +var out = Module['print'] || console.log.bind(console); +var err = Module['printErr'] || console.warn.bind(console); + +// Merge back in the overrides +for (key in moduleOverrides) { + if (moduleOverrides.hasOwnProperty(key)) { + Module[key] = moduleOverrides[key]; + } +} +// Free the object hierarchy contained in the overrides, this lets the GC +// reclaim data used e.g. in memoryInitializerRequest, which is a large typed array. +moduleOverrides = null; + +// Emit code to handle expected values on the Module object. This applies Module.x +// to the proper local x. This has two benefits: first, we only emit it if it is +// expected to arrive, and second, by using a local everywhere else that can be +// minified. +if (Module['arguments']) arguments_ = Module['arguments'];if (!Object.getOwnPropertyDescriptor(Module, 'arguments')) Object.defineProperty(Module, 'arguments', { configurable: true, get: function() { abort('Module.arguments has been replaced with plain arguments_ (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)') } }); +if (Module['thisProgram']) thisProgram = Module['thisProgram'];if (!Object.getOwnPropertyDescriptor(Module, 'thisProgram')) Object.defineProperty(Module, 'thisProgram', { configurable: true, get: function() { abort('Module.thisProgram has been replaced with plain thisProgram (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)') } }); +if (Module['quit']) quit_ = Module['quit'];if (!Object.getOwnPropertyDescriptor(Module, 'quit')) Object.defineProperty(Module, 'quit', { configurable: true, get: function() { abort('Module.quit has been replaced with plain quit_ (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)') } }); + +// perform assertions in shell.js after we set up out() and err(), as otherwise if an assertion fails it cannot print the message +// Assertions on removed incoming Module JS APIs. +assert(typeof Module['memoryInitializerPrefixURL'] === 'undefined', 'Module.memoryInitializerPrefixURL option was removed, use Module.locateFile instead'); +assert(typeof Module['pthreadMainPrefixURL'] === 'undefined', 'Module.pthreadMainPrefixURL option was removed, use Module.locateFile instead'); +assert(typeof Module['cdInitializerPrefixURL'] === 'undefined', 'Module.cdInitializerPrefixURL option was removed, use Module.locateFile instead'); +assert(typeof Module['filePackagePrefixURL'] === 'undefined', 'Module.filePackagePrefixURL option was removed, use Module.locateFile instead'); +assert(typeof Module['read'] === 'undefined', 'Module.read option was removed (modify read_ in JS)'); +assert(typeof Module['readAsync'] === 'undefined', 'Module.readAsync option was removed (modify readAsync in JS)'); +assert(typeof Module['readBinary'] === 'undefined', 'Module.readBinary option was removed (modify readBinary in JS)'); +assert(typeof Module['setWindowTitle'] === 'undefined', 'Module.setWindowTitle option was removed (modify setWindowTitle in JS)'); +assert(typeof Module['TOTAL_MEMORY'] === 'undefined', 'Module.TOTAL_MEMORY has been renamed Module.INITIAL_MEMORY'); +if (!Object.getOwnPropertyDescriptor(Module, 'read')) Object.defineProperty(Module, 'read', { configurable: true, get: function() { abort('Module.read has been replaced with plain read_ (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)') } }); +if (!Object.getOwnPropertyDescriptor(Module, 'readAsync')) Object.defineProperty(Module, 'readAsync', { configurable: true, get: function() { abort('Module.readAsync has been replaced with plain readAsync (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)') } }); +if (!Object.getOwnPropertyDescriptor(Module, 'readBinary')) Object.defineProperty(Module, 'readBinary', { configurable: true, get: function() { abort('Module.readBinary has been replaced with plain readBinary (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)') } }); +if (!Object.getOwnPropertyDescriptor(Module, 'setWindowTitle')) Object.defineProperty(Module, 'setWindowTitle', { configurable: true, get: function() { abort('Module.setWindowTitle has been replaced with plain setWindowTitle (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)') } }); +var 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'; + + + + + + +// {{PREAMBLE_ADDITIONS}} + +var STACK_ALIGN = 16; + +function alignMemory(size, factor) { + if (!factor) factor = STACK_ALIGN; // stack alignment (16-byte) by default + return Math.ceil(size / factor) * factor; +} + +function getNativeTypeSize(type) { + switch (type) { + case 'i1': case 'i8': return 1; + case 'i16': return 2; + case 'i32': return 4; + case 'i64': return 8; + case 'float': return 4; + case 'double': return 8; + default: { + if (type[type.length-1] === '*') { + return 4; // A pointer + } else if (type[0] === 'i') { + var bits = Number(type.substr(1)); + assert(bits % 8 === 0, 'getNativeTypeSize invalid bits ' + bits + ', type ' + type); + return bits / 8; + } else { + return 0; + } + } + } +} + +function warnOnce(text) { + if (!warnOnce.shown) warnOnce.shown = {}; + if (!warnOnce.shown[text]) { + warnOnce.shown[text] = 1; + err(text); + } +} + + + + + +// Wraps a JS function as a wasm function with a given signature. +function convertJsFunctionToWasm(func, sig) { + + // If the type reflection proposal is available, use the new + // "WebAssembly.Function" constructor. + // Otherwise, construct a minimal wasm module importing the JS function and + // re-exporting it. + if (typeof WebAssembly.Function === "function") { + var typeNames = { + 'i': 'i32', + 'j': 'i64', + 'f': 'f32', + 'd': 'f64' + }; + var type = { + parameters: [], + results: sig[0] == 'v' ? [] : [typeNames[sig[0]]] + }; + for (var i = 1; i < sig.length; ++i) { + type.parameters.push(typeNames[sig[i]]); + } + return new WebAssembly.Function(type, func); + } + + // The module is static, with the exception of the type section, which is + // generated based on the signature passed in. + var typeSection = [ + 0x01, // id: section, + 0x00, // length: 0 (placeholder) + 0x01, // count: 1 + 0x60, // form: func + ]; + var sigRet = sig.slice(0, 1); + var sigParam = sig.slice(1); + var typeCodes = { + 'i': 0x7f, // i32 + 'j': 0x7e, // i64 + 'f': 0x7d, // f32 + 'd': 0x7c, // f64 + }; + + // Parameters, length + signatures + typeSection.push(sigParam.length); + for (var i = 0; i < sigParam.length; ++i) { + typeSection.push(typeCodes[sigParam[i]]); + } + + // Return values, length + signatures + // With no multi-return in MVP, either 0 (void) or 1 (anything else) + if (sigRet == 'v') { + typeSection.push(0x00); + } else { + typeSection = typeSection.concat([0x01, typeCodes[sigRet]]); + } + + // Write the overall length of the type section back into the section header + // (excepting the 2 bytes for the section id and length) + typeSection[1] = typeSection.length - 2; + + // Rest of the module is static + var bytes = new Uint8Array([ + 0x00, 0x61, 0x73, 0x6d, // magic ("\0asm") + 0x01, 0x00, 0x00, 0x00, // version: 1 + ].concat(typeSection, [ + 0x02, 0x07, // import section + // (import "e" "f" (func 0 (type 0))) + 0x01, 0x01, 0x65, 0x01, 0x66, 0x00, 0x00, + 0x07, 0x05, // export section + // (export "f" (func 0 (type 0))) + 0x01, 0x01, 0x66, 0x00, 0x00, + ])); + + // We can compile this wasm module synchronously because it is very small. + // This accepts an import (at "e.f"), that it reroutes to an export (at "f") + var module = new WebAssembly.Module(bytes); + var instance = new WebAssembly.Instance(module, { + 'e': { + 'f': func + } + }); + var wrappedFunc = instance.exports['f']; + return wrappedFunc; +} + +var freeTableIndexes = []; + +// Weak map of functions in the table to their indexes, created on first use. +var functionsInTableMap; + +// Add a wasm function to the table. +function addFunctionWasm(func, sig) { + var table = wasmTable; + + // 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(); + for (var i = 0; i < table.length; i++) { + var item = table.get(i); + // Ignore null values. + if (item) { + functionsInTableMap.set(item, i); + } + } + } + if (functionsInTableMap.has(func)) { + return functionsInTableMap.get(func); + } + + // It's not in the table, add it now. + + + var ret; + // Reuse a free index if there is one, otherwise grow. + if (freeTableIndexes.length) { + ret = freeTableIndexes.pop(); + } else { + ret = table.length; + // Grow the table + try { + table.grow(1); + } catch (err) { + if (!(err instanceof RangeError)) { + throw err; + } + throw 'Unable to grow wasm table. Set ALLOW_TABLE_GROWTH.'; + } + } + + // Set the new value. + try { + // Attempting to call this with JS function will cause of table.set() to fail + table.set(ret, func); + } catch (err) { + if (!(err instanceof TypeError)) { + throw err; + } + assert(typeof sig !== 'undefined', 'Missing signature argument to addFunction'); + var wrapped = convertJsFunctionToWasm(func, sig); + table.set(ret, wrapped); + } + + functionsInTableMap.set(func, ret); + + return ret; +} + +function removeFunctionWasm(index) { + functionsInTableMap.delete(wasmTable.get(index)); + freeTableIndexes.push(index); +} + +// 'sig' parameter is required for the llvm backend but only when func is not +// already a WebAssembly function. +function addFunction(func, sig) { + assert(typeof func !== 'undefined'); + + return addFunctionWasm(func, sig); +} + +function removeFunction(index) { + removeFunctionWasm(index); +} + + + + + + + + + +function makeBigInt(low, high, unsigned) { + return unsigned ? ((+((low>>>0)))+((+((high>>>0)))*4294967296.0)) : ((+((low>>>0)))+((+((high|0)))*4294967296.0)); +} + +var tempRet0 = 0; + +var setTempRet0 = function(value) { + tempRet0 = value; +}; + +var getTempRet0 = function() { + return tempRet0; +}; + +function getCompilerSetting(name) { + throw 'You must build with -s RETAIN_COMPILER_SETTINGS=1 for getCompilerSetting or emscripten_get_compiler_setting to work'; +} + +// The address globals begin at. Very low in memory, for code size and optimization opportunities. +// Above 0 is static memory, starting with globals. +// Then the stack. +// Then 'dynamic' memory for sbrk. +var GLOBAL_BASE = 1024; + + + + +// === Preamble library stuff === + +// Documentation for the public APIs defined in this file must be updated in: +// site/source/docs/api_reference/preamble.js.rst +// A prebuilt local version of the documentation is available at: +// site/build/text/docs/api_reference/preamble.js.txt +// You can also build docs locally as HTML or other formats in site/ +// An online HTML version (which may be of a different version of Emscripten) +// is up at http://kripken.github.io/emscripten-site/docs/api_reference/preamble.js.html + + +var wasmBinary;if (Module['wasmBinary']) wasmBinary = Module['wasmBinary'];if (!Object.getOwnPropertyDescriptor(Module, 'wasmBinary')) Object.defineProperty(Module, 'wasmBinary', { configurable: true, get: function() { abort('Module.wasmBinary has been replaced with plain wasmBinary (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)') } }); +var noExitRuntime;if (Module['noExitRuntime']) noExitRuntime = Module['noExitRuntime'];if (!Object.getOwnPropertyDescriptor(Module, 'noExitRuntime')) Object.defineProperty(Module, 'noExitRuntime', { configurable: true, get: function() { abort('Module.noExitRuntime has been replaced with plain noExitRuntime (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)') } }); + + +if (typeof WebAssembly !== 'object') { + abort('no native wasm support detected'); +} + + + + +// In MINIMAL_RUNTIME, setValue() and getValue() are only available when building with safe heap enabled, for heap safety checking. +// In traditional runtime, setValue() and getValue() are always available (although their use is highly discouraged due to perf penalties) + +/** @param {number} ptr + @param {number} value + @param {string} type + @param {number|boolean=} noSafe */ +function setValue(ptr, value, type, noSafe) { + type = type || 'i8'; + if (type.charAt(type.length-1) === '*') type = 'i32'; // pointers are 32-bit + switch(type) { + case 'i1': HEAP8[((ptr)>>0)]=value; break; + case 'i8': HEAP8[((ptr)>>0)]=value; break; + case 'i16': HEAP16[((ptr)>>1)]=value; break; + case 'i32': HEAP32[((ptr)>>2)]=value; break; + case 'i64': (tempI64 = [value>>>0,(tempDouble=value,(+(Math_abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? ((Math_min((+(Math_floor((tempDouble)/4294967296.0))), 4294967295.0))|0)>>>0 : (~~((+(Math_ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)],HEAP32[((ptr)>>2)]=tempI64[0],HEAP32[(((ptr)+(4))>>2)]=tempI64[1]); break; + case 'float': HEAPF32[((ptr)>>2)]=value; break; + case 'double': HEAPF64[((ptr)>>3)]=value; break; + default: abort('invalid type for setValue: ' + type); + } +} + +/** @param {number} ptr + @param {string} type + @param {number|boolean=} noSafe */ +function getValue(ptr, type, noSafe) { + type = type || 'i8'; + if (type.charAt(type.length-1) === '*') type = 'i32'; // pointers are 32-bit + 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)]; + default: abort('invalid type for getValue: ' + type); + } + return null; +} + + + + + + +// Wasm globals + +var wasmMemory; + +// In fastcomp asm.js, we don't need a wasm Table at all. +// In the wasm backend, we polyfill the WebAssembly object, +// so this creates a (non-native-wasm) table for us. + +var wasmTable = new WebAssembly.Table({ + 'initial': 277, + 'maximum': 277, + 'element': 'anyfunc' +}); + + + + +//======================================== +// 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 = 0; + +/** @type {function(*, string=)} */ +function assert(condition, text) { + if (!condition) { + abort('Assertion failed: ' + text); + } +} + +// Returns the C function with a specified identifier (for C++, you need to do manual name mangling) +function getCFunc(ident) { + var func = Module['_' + ident]; // closure exported function + assert(func, 'Cannot call unknown function ' + ident + ', make sure it is exported'); + return func; +} + +// C calling interface. +/** @param {string|null=} returnType + @param {Array=} argTypes + @param {Arguments|Array=} args + @param {Object=} opts */ +function ccall(ident, returnType, argTypes, args, opts) { + // For fast lookup of conversion functions + var toC = { + 'string': function(str) { + var ret = 0; + if (str !== null && str !== undefined && str !== 0) { // null string + // at most 4 bytes per UTF-8 code point, +1 for the trailing '\0' + var len = (str.length << 2) + 1; + ret = stackAlloc(len); + stringToUTF8(str, ret, len); + } + return ret; + }, + 'array': function(arr) { + var ret = stackAlloc(arr.length); + writeArrayToMemory(arr, ret); + return ret; + } + }; + + function convertReturnValue(ret) { + if (returnType === 'string') return UTF8ToString(ret); + if (returnType === 'boolean') return Boolean(ret); + return ret; + } + + var func = getCFunc(ident); + var cArgs = []; + var stack = 0; + assert(returnType !== 'array', 'Return type should not be "array".'); + if (args) { + for (var i = 0; i < args.length; i++) { + var converter = toC[argTypes[i]]; + if (converter) { + if (stack === 0) stack = stackSave(); + cArgs[i] = converter(args[i]); + } else { + cArgs[i] = args[i]; + } + } + } + var ret = func.apply(null, cArgs); + + ret = convertReturnValue(ret); + if (stack !== 0) stackRestore(stack); + return ret; +} + +/** @param {string=} returnType + @param {Array=} argTypes + @param {Object=} opts */ +function cwrap(ident, returnType, argTypes, opts) { + return function() { + return ccall(ident, returnType, argTypes, arguments, opts); + } +} + +// We used to include malloc/free by default in the past. Show a helpful error in +// builds with assertions. + +var ALLOC_NORMAL = 0; // Tries to use _malloc() +var ALLOC_STACK = 1; // Lives for the duration of the current function call +var ALLOC_NONE = 2; // Do not allocate + +// allocate(): This is for internal use. You can use it yourself as well, but the interface +// is a little tricky (see docs right below). The reason is that it is optimized +// for multiple syntaxes to save space in generated code. So you should +// normally not use allocate(), and instead allocate memory using _malloc(), +// initialize it with setValue(), and so forth. +// @slab: An array of data, or a number. If a number, then the size of the block to allocate, +// in *bytes* (note that this is sometimes confusing: the next parameter does not +// affect this!) +// @types: Either an array of types, one for each byte (or 0 if no type at that position), +// or a single type which is used for the entire block. This only matters if there +// is initial data - if @slab is a number, then this does not matter at all and is +// ignored. +// @allocator: How to allocate memory, see ALLOC_* +/** @type {function((TypedArray|Array<number>|number), string, number, number=)} */ +function allocate(slab, types, allocator, ptr) { + var zeroinit, size; + if (typeof slab === 'number') { + zeroinit = true; + size = slab; + } else { + zeroinit = false; + size = slab.length; + } + + var singleType = typeof types === 'string' ? types : null; + + var ret; + if (allocator == ALLOC_NONE) { + ret = ptr; + } else { + ret = [_malloc, + stackAlloc, + ][allocator](Math.max(size, singleType ? 1 : types.length)); + } + + if (zeroinit) { + var stop; + ptr = ret; + assert((ret & 3) == 0); + stop = ret + (size & ~3); + for (; ptr < stop; ptr += 4) { + HEAP32[((ptr)>>2)]=0; + } + stop = ret + size; + while (ptr < stop) { + HEAP8[((ptr++)>>0)]=0; + } + return ret; + } + + if (singleType === 'i8') { + if (slab.subarray || slab.slice) { + HEAPU8.set(/** @type {!Uint8Array} */ (slab), ret); + } else { + HEAPU8.set(new Uint8Array(slab), ret); + } + return ret; + } + + var i = 0, type, typeSize, previousType; + while (i < size) { + var curr = slab[i]; + + type = singleType || types[i]; + if (type === 0) { + i++; + continue; + } + assert(type, 'Must know what type to store in allocate!'); + + if (type == 'i64') type = 'i32'; // special case: we have one i32 here, and one i32 later + + setValue(ret+i, curr, type); + + // no need to look up size unless type changes, so cache it + if (previousType !== type) { + typeSize = getNativeTypeSize(type); + previousType = type; + } + i += typeSize; + } + + return ret; +} + + + + +// runtime_strings.js: Strings related runtime functions that are part of both MINIMAL_RUNTIME and regular runtime. + +// Given a pointer 'ptr' to a null-terminated UTF8-encoded string in the given array that contains uint8 values, returns +// a copy of that string as a Javascript String object. + +var UTF8Decoder = typeof TextDecoder !== 'undefined' ? new TextDecoder('utf8') : undefined; + +/** + * @param {number} idx + * @param {number=} maxBytesToRead + * @return {string} + */ +function UTF8ArrayToString(heap, idx, maxBytesToRead) { + var endIdx = idx + maxBytesToRead; + var endPtr = idx; + // TextDecoder needs to know the byte length in advance, it doesn't stop on null terminator by itself. + // Also, use the length info to avoid running tiny strings through TextDecoder, since .subarray() allocates garbage. + // (As a tiny code save trick, compare endPtr against endIdx using a negation, so that undefined means Infinity) + while (heap[endPtr] && !(endPtr >= endIdx)) ++endPtr; + + if (endPtr - idx > 16 && heap.subarray && UTF8Decoder) { + return UTF8Decoder.decode(heap.subarray(idx, endPtr)); + } else { + var str = ''; + // If building with TextDecoder, we have already computed the string length above, so test loop end condition against that + while (idx < endPtr) { + // For UTF8 byte structure, see: + // http://en.wikipedia.org/wiki/UTF-8#Description + // https://www.ietf.org/rfc/rfc2279.txt + // https://tools.ietf.org/html/rfc3629 + var u0 = heap[idx++]; + if (!(u0 & 0x80)) { str += String.fromCharCode(u0); continue; } + var u1 = heap[idx++] & 63; + if ((u0 & 0xE0) == 0xC0) { str += String.fromCharCode(((u0 & 31) << 6) | u1); continue; } + var u2 = heap[idx++] & 63; + if ((u0 & 0xF0) == 0xE0) { + u0 = ((u0 & 15) << 12) | (u1 << 6) | u2; + } else { + if ((u0 & 0xF8) != 0xF0) warnOnce('Invalid UTF-8 leading byte 0x' + u0.toString(16) + ' encountered when deserializing a UTF-8 string on the asm.js/wasm heap to a JS string!'); + u0 = ((u0 & 7) << 18) | (u1 << 12) | (u2 << 6) | (heap[idx++] & 63); + } + + if (u0 < 0x10000) { + str += String.fromCharCode(u0); + } else { + var ch = u0 - 0x10000; + str += String.fromCharCode(0xD800 | (ch >> 10), 0xDC00 | (ch & 0x3FF)); + } + } + } + return str; +} + +// Given a pointer 'ptr' to a null-terminated UTF8-encoded string in the emscripten HEAP, returns a +// copy of that string as a Javascript String object. +// maxBytesToRead: an optional length that specifies the maximum number of bytes to read. You can omit +// this parameter to scan the string until the first \0 byte. If maxBytesToRead is +// passed, and the string at [ptr, ptr+maxBytesToReadr[ contains a null byte in the +// middle, then the string will cut short at that byte index (i.e. maxBytesToRead will +// not produce a string of exact length [ptr, ptr+maxBytesToRead[) +// N.B. mixing frequent uses of UTF8ToString() with and without maxBytesToRead may +// throw JS JIT optimizations off, so it is worth to consider consistently using one +// style or the other. +/** + * @param {number} ptr + * @param {number=} maxBytesToRead + * @return {string} + */ +function UTF8ToString(ptr, maxBytesToRead) { + return ptr ? UTF8ArrayToString(HEAPU8, ptr, maxBytesToRead) : ''; +} + +// Copies the given Javascript String object 'str' to the given byte array at address 'outIdx', +// encoded in UTF8 form and null-terminated. The copy will require at most str.length*4+1 bytes of space in the HEAP. +// Use the function lengthBytesUTF8 to compute the exact number of bytes (excluding null terminator) that this function will write. +// Parameters: +// str: the Javascript string to copy. +// heap: the array to copy to. Each index in this array is assumed to be one 8-byte element. +// outIdx: The starting offset in the array to begin the copying. +// maxBytesToWrite: The maximum number of bytes this function can write to the array. +// This count should include the null terminator, +// i.e. if maxBytesToWrite=1, only the null terminator will be written and nothing else. +// maxBytesToWrite=0 does not write any bytes to the output, not even the null terminator. +// Returns the number of bytes written, EXCLUDING the null terminator. + +function stringToUTF8Array(str, heap, outIdx, maxBytesToWrite) { + if (!(maxBytesToWrite > 0)) // Parameter maxBytesToWrite is not optional. Negative values, 0, null, undefined and false each don't write out any bytes. + return 0; + + var startIdx = outIdx; + var endIdx = outIdx + maxBytesToWrite - 1; // -1 for string null terminator. + for (var i = 0; i < str.length; ++i) { + // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! So decode UTF16->UTF32->UTF8. + // See http://unicode.org/faq/utf_bom.html#utf16-3 + // For UTF8 byte structure, see http://en.wikipedia.org/wiki/UTF-8#Description and https://www.ietf.org/rfc/rfc2279.txt and https://tools.ietf.org/html/rfc3629 + var u = str.charCodeAt(i); // possibly a lead surrogate + if (u >= 0xD800 && u <= 0xDFFF) { + var u1 = str.charCodeAt(++i); + u = 0x10000 + ((u & 0x3FF) << 10) | (u1 & 0x3FF); + } + if (u <= 0x7F) { + if (outIdx >= endIdx) break; + heap[outIdx++] = u; + } else if (u <= 0x7FF) { + if (outIdx + 1 >= endIdx) break; + heap[outIdx++] = 0xC0 | (u >> 6); + heap[outIdx++] = 0x80 | (u & 63); + } else if (u <= 0xFFFF) { + if (outIdx + 2 >= endIdx) break; + heap[outIdx++] = 0xE0 | (u >> 12); + heap[outIdx++] = 0x80 | ((u >> 6) & 63); + heap[outIdx++] = 0x80 | (u & 63); + } else { + if (outIdx + 3 >= endIdx) break; + if (u >= 0x200000) warnOnce('Invalid Unicode code point 0x' + u.toString(16) + ' encountered when serializing a JS string to an UTF-8 string on the asm.js/wasm heap! (Valid unicode code points should be in range 0-0x1FFFFF).'); + heap[outIdx++] = 0xF0 | (u >> 18); + heap[outIdx++] = 0x80 | ((u >> 12) & 63); + heap[outIdx++] = 0x80 | ((u >> 6) & 63); + heap[outIdx++] = 0x80 | (u & 63); + } + } + // Null-terminate the pointer to the buffer. + heap[outIdx] = 0; + return outIdx - startIdx; +} + +// Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr', +// null-terminated and encoded in UTF8 form. The copy will require at most str.length*4+1 bytes of space in the HEAP. +// Use the function lengthBytesUTF8 to compute the exact number of bytes (excluding null terminator) that this function will write. +// Returns the number of bytes written, EXCLUDING the null terminator. + +function stringToUTF8(str, outPtr, maxBytesToWrite) { + assert(typeof maxBytesToWrite == 'number', 'stringToUTF8(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!'); + return stringToUTF8Array(str, HEAPU8,outPtr, maxBytesToWrite); +} + +// Returns the number of bytes the given Javascript string takes if encoded as a UTF8 byte array, EXCLUDING the null terminator byte. +function lengthBytesUTF8(str) { + var len = 0; + for (var i = 0; i < str.length; ++i) { + // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! So decode UTF16->UTF32->UTF8. + // See http://unicode.org/faq/utf_bom.html#utf16-3 + var u = str.charCodeAt(i); // possibly a lead surrogate + if (u >= 0xD800 && u <= 0xDFFF) u = 0x10000 + ((u & 0x3FF) << 10) | (str.charCodeAt(++i) & 0x3FF); + if (u <= 0x7F) ++len; + else if (u <= 0x7FF) len += 2; + else if (u <= 0xFFFF) len += 3; + else len += 4; + } + return len; +} + + + + + +// runtime_strings_extra.js: Strings related runtime functions that are available only in regular runtime. + +// Given a pointer 'ptr' to a null-terminated ASCII-encoded string in the emscripten HEAP, returns +// a copy of that string as a Javascript String object. + +function AsciiToString(ptr) { + var str = ''; + while (1) { + var ch = HEAPU8[((ptr++)>>0)]; + if (!ch) return str; + str += String.fromCharCode(ch); + } +} + +// Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr', +// null-terminated and encoded in ASCII form. The copy will require at most str.length+1 bytes of space in the HEAP. + +function stringToAscii(str, outPtr) { + return writeAsciiToMemory(str, outPtr, false); +} + +// Given a pointer 'ptr' to a null-terminated UTF16LE-encoded string in the emscripten HEAP, returns +// a copy of that string as a Javascript String object. + +var UTF16Decoder = typeof TextDecoder !== 'undefined' ? new TextDecoder('utf-16le') : undefined; + +function UTF16ToString(ptr, maxBytesToRead) { + assert(ptr % 2 == 0, 'Pointer passed to UTF16ToString must be aligned to two bytes!'); + var endPtr = ptr; + // TextDecoder needs to know the byte length in advance, it doesn't stop on null terminator by itself. + // Also, use the length info to avoid running tiny strings through TextDecoder, since .subarray() allocates garbage. + var idx = endPtr >> 1; + var maxIdx = idx + maxBytesToRead / 2; + // If maxBytesToRead is not passed explicitly, it will be undefined, and this + // will always evaluate to true. This saves on code size. + while (!(idx >= maxIdx) && HEAPU16[idx]) ++idx; + endPtr = idx << 1; + + if (endPtr - ptr > 32 && UTF16Decoder) { + return UTF16Decoder.decode(HEAPU8.subarray(ptr, endPtr)); + } else { + var i = 0; + + var str = ''; + while (1) { + var codeUnit = HEAP16[(((ptr)+(i*2))>>1)]; + if (codeUnit == 0 || i == maxBytesToRead / 2) return str; + ++i; + // fromCharCode constructs a character from a UTF-16 code unit, so we can pass the UTF16 string right through. + str += String.fromCharCode(codeUnit); + } + } +} + +// Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr', +// null-terminated and encoded in UTF16 form. The copy will require at most str.length*4+2 bytes of space in the HEAP. +// Use the function lengthBytesUTF16() to compute the exact number of bytes (excluding null terminator) that this function will write. +// Parameters: +// str: the Javascript string to copy. +// outPtr: Byte address in Emscripten HEAP where to write the string to. +// maxBytesToWrite: The maximum number of bytes this function can write to the array. This count should include the null +// terminator, i.e. if maxBytesToWrite=2, only the null terminator will be written and nothing else. +// maxBytesToWrite<2 does not write any bytes to the output, not even the null terminator. +// Returns the number of bytes written, EXCLUDING the null terminator. + +function stringToUTF16(str, outPtr, maxBytesToWrite) { + assert(outPtr % 2 == 0, 'Pointer passed to stringToUTF16 must be aligned to two bytes!'); + assert(typeof maxBytesToWrite == 'number', 'stringToUTF16(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!'); + // Backwards compatibility: if max bytes is not specified, assume unsafe unbounded write is allowed. + if (maxBytesToWrite === undefined) { + maxBytesToWrite = 0x7FFFFFFF; + } + if (maxBytesToWrite < 2) return 0; + maxBytesToWrite -= 2; // Null terminator. + var startPtr = outPtr; + var numCharsToWrite = (maxBytesToWrite < str.length*2) ? (maxBytesToWrite / 2) : str.length; + for (var i = 0; i < numCharsToWrite; ++i) { + // charCodeAt returns a UTF-16 encoded code unit, so it can be directly written to the HEAP. + var codeUnit = str.charCodeAt(i); // possibly a lead surrogate + HEAP16[((outPtr)>>1)]=codeUnit; + outPtr += 2; + } + // Null-terminate the pointer to the HEAP. + HEAP16[((outPtr)>>1)]=0; + return outPtr - startPtr; +} + +// Returns the number of bytes the given Javascript string takes if encoded as a UTF16 byte array, EXCLUDING the null terminator byte. + +function lengthBytesUTF16(str) { + return str.length*2; +} + +function UTF32ToString(ptr, maxBytesToRead) { + assert(ptr % 4 == 0, 'Pointer passed to UTF32ToString must be aligned to four bytes!'); + var i = 0; + + var str = ''; + // If maxBytesToRead is not passed explicitly, it will be undefined, and this + // will always evaluate to true. This saves on code size. + while (!(i >= maxBytesToRead / 4)) { + var utf32 = HEAP32[(((ptr)+(i*4))>>2)]; + if (utf32 == 0) break; + ++i; + // Gotcha: fromCharCode constructs a character from a UTF-16 encoded code (pair), not from a Unicode code point! So encode the code point to UTF-16 for constructing. + // See http://unicode.org/faq/utf_bom.html#utf16-3 + if (utf32 >= 0x10000) { + var ch = utf32 - 0x10000; + str += String.fromCharCode(0xD800 | (ch >> 10), 0xDC00 | (ch & 0x3FF)); + } else { + str += String.fromCharCode(utf32); + } + } + return str; +} + +// Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr', +// null-terminated and encoded in UTF32 form. The copy will require at most str.length*4+4 bytes of space in the HEAP. +// Use the function lengthBytesUTF32() to compute the exact number of bytes (excluding null terminator) that this function will write. +// Parameters: +// str: the Javascript string to copy. +// outPtr: Byte address in Emscripten HEAP where to write the string to. +// maxBytesToWrite: The maximum number of bytes this function can write to the array. This count should include the null +// terminator, i.e. if maxBytesToWrite=4, only the null terminator will be written and nothing else. +// maxBytesToWrite<4 does not write any bytes to the output, not even the null terminator. +// Returns the number of bytes written, EXCLUDING the null terminator. + +function stringToUTF32(str, outPtr, maxBytesToWrite) { + assert(outPtr % 4 == 0, 'Pointer passed to stringToUTF32 must be aligned to four bytes!'); + assert(typeof maxBytesToWrite == 'number', 'stringToUTF32(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!'); + // Backwards compatibility: if max bytes is not specified, assume unsafe unbounded write is allowed. + if (maxBytesToWrite === undefined) { + maxBytesToWrite = 0x7FFFFFFF; + } + if (maxBytesToWrite < 4) return 0; + var startPtr = outPtr; + var endPtr = startPtr + maxBytesToWrite - 4; + for (var i = 0; i < str.length; ++i) { + // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! We must decode the string to UTF-32 to the heap. + // See http://unicode.org/faq/utf_bom.html#utf16-3 + var codeUnit = str.charCodeAt(i); // possibly a lead surrogate + if (codeUnit >= 0xD800 && codeUnit <= 0xDFFF) { + var trailSurrogate = str.charCodeAt(++i); + codeUnit = 0x10000 + ((codeUnit & 0x3FF) << 10) | (trailSurrogate & 0x3FF); + } + HEAP32[((outPtr)>>2)]=codeUnit; + outPtr += 4; + if (outPtr + 4 > endPtr) break; + } + // Null-terminate the pointer to the HEAP. + HEAP32[((outPtr)>>2)]=0; + return outPtr - startPtr; +} + +// Returns the number of bytes the given Javascript string takes if encoded as a UTF16 byte array, EXCLUDING the null terminator byte. + +function lengthBytesUTF32(str) { + var len = 0; + for (var i = 0; i < str.length; ++i) { + // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! We must decode the string to UTF-32 to the heap. + // See http://unicode.org/faq/utf_bom.html#utf16-3 + var codeUnit = str.charCodeAt(i); + if (codeUnit >= 0xD800 && codeUnit <= 0xDFFF) ++i; // possibly a lead surrogate, so skip over the tail surrogate. + len += 4; + } + + return len; +} + +// Allocate heap space for a JS string, and write it there. +// It is the responsibility of the caller to free() that memory. +function allocateUTF8(str) { + var size = lengthBytesUTF8(str) + 1; + var ret = _malloc(size); + if (ret) stringToUTF8Array(str, HEAP8, ret, size); + return ret; +} + +// Allocate stack space for a JS string, and write it there. +function allocateUTF8OnStack(str) { + var size = lengthBytesUTF8(str) + 1; + var ret = stackAlloc(size); + stringToUTF8Array(str, HEAP8, ret, size); + return ret; +} + +// Deprecated: This function should not be called because it is unsafe and does not provide +// a maximum length limit of how many bytes it is allowed to write. Prefer calling the +// function stringToUTF8Array() instead, which takes in a maximum length that can be used +// to be secure from out of bounds writes. +/** @deprecated + @param {boolean=} dontAddNull */ +function writeStringToMemory(string, buffer, dontAddNull) { + warnOnce('writeStringToMemory is deprecated and should not be called! Use stringToUTF8() instead!'); + + var /** @type {number} */ lastChar, /** @type {number} */ end; + if (dontAddNull) { + // stringToUTF8Array always appends null. If we don't want to do that, remember the + // character that existed at the location where the null will be placed, and restore + // that after the write (below). + end = buffer + lengthBytesUTF8(string); + lastChar = HEAP8[end]; + } + stringToUTF8(string, buffer, Infinity); + if (dontAddNull) HEAP8[end] = lastChar; // Restore the value under the null character. +} + +function writeArrayToMemory(array, buffer) { + assert(array.length >= 0, 'writeArrayToMemory array must have a length (should be an array or typed array)') + HEAP8.set(array, buffer); +} + +/** @param {boolean=} dontAddNull */ +function writeAsciiToMemory(str, buffer, dontAddNull) { + for (var i = 0; i < str.length; ++i) { + assert(str.charCodeAt(i) === str.charCodeAt(i)&0xff); + HEAP8[((buffer++)>>0)]=str.charCodeAt(i); + } + // Null-terminate the pointer to the HEAP. + if (!dontAddNull) HEAP8[((buffer)>>0)]=0; +} + + + +// Memory management + +var PAGE_SIZE = 16384; +var WASM_PAGE_SIZE = 65536; + +function alignUp(x, multiple) { + if (x % multiple > 0) { + x += multiple - (x % multiple); + } + return x; +} + +var HEAP, +/** @type {ArrayBuffer} */ + buffer, +/** @type {Int8Array} */ + HEAP8, +/** @type {Uint8Array} */ + HEAPU8, +/** @type {Int16Array} */ + HEAP16, +/** @type {Uint16Array} */ + HEAPU16, +/** @type {Int32Array} */ + HEAP32, +/** @type {Uint32Array} */ + HEAPU32, +/** @type {Float32Array} */ + HEAPF32, +/** @type {Float64Array} */ + HEAPF64; + +function updateGlobalBufferAndViews(buf) { + buffer = buf; + Module['HEAP8'] = HEAP8 = new Int8Array(buf); + Module['HEAP16'] = HEAP16 = new Int16Array(buf); + Module['HEAP32'] = HEAP32 = new Int32Array(buf); + Module['HEAPU8'] = HEAPU8 = new Uint8Array(buf); + Module['HEAPU16'] = HEAPU16 = new Uint16Array(buf); + Module['HEAPU32'] = HEAPU32 = new Uint32Array(buf); + Module['HEAPF32'] = HEAPF32 = new Float32Array(buf); + Module['HEAPF64'] = HEAPF64 = new Float64Array(buf); +} + +var STACK_BASE = 5254848, + STACKTOP = STACK_BASE, + STACK_MAX = 11968, + DYNAMIC_BASE = 5254848; + +assert(STACK_BASE % 16 === 0, 'stack must start aligned'); +assert(DYNAMIC_BASE % 16 === 0, 'heap must start aligned'); + + + +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_INITIAL_MEMORY = Module['INITIAL_MEMORY'] || 16777216;if (!Object.getOwnPropertyDescriptor(Module, 'INITIAL_MEMORY')) Object.defineProperty(Module, 'INITIAL_MEMORY', { configurable: true, get: function() { abort('Module.INITIAL_MEMORY has been replaced with plain INITIAL_INITIAL_MEMORY (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)') } }); + +assert(INITIAL_INITIAL_MEMORY >= TOTAL_STACK, 'INITIAL_MEMORY should be larger than TOTAL_STACK, was ' + INITIAL_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'); + + +// In non-standalone/normal mode, we create the memory here. + + + +// Create the main memory. (Note: this isn't used in STANDALONE_WASM mode since the wasm +// memory is created in the wasm, not in JS.) + + if (Module['wasmMemory']) { + wasmMemory = Module['wasmMemory']; + } else + { + wasmMemory = new WebAssembly.Memory({ + 'initial': INITIAL_INITIAL_MEMORY / WASM_PAGE_SIZE + , + 'maximum': INITIAL_INITIAL_MEMORY / WASM_PAGE_SIZE + }); + } + + +if (wasmMemory) { + buffer = wasmMemory.buffer; +} + +// If the user provides an incorrect length, just use that length instead rather than providing the user to +// specifically provide the memory length with Module['INITIAL_MEMORY']. +INITIAL_INITIAL_MEMORY = buffer.byteLength; +assert(INITIAL_INITIAL_MEMORY % WASM_PAGE_SIZE === 0); +updateGlobalBufferAndViews(buffer); + + + + + + + +// Initializes the stack cookie. Called at the startup of main and at the startup of each thread in pthreads mode. +function writeStackCookie() { + assert((STACK_MAX & 3) == 0); + // The stack grows downwards + HEAPU32[(STACK_MAX >> 2)+1] = 0x2135467; + HEAPU32[(STACK_MAX >> 2)+2] = 0x89BACDFE; + // Also test the global address 0 for integrity. + // We don't do this with ASan because ASan does its own checks for this. + HEAP32[0] = 0x63736d65; /* 'emsc' */ +} + +function checkStackCookie() { + var cookie1 = HEAPU32[(STACK_MAX >> 2)+1]; + var cookie2 = HEAPU32[(STACK_MAX >> 2)+2]; + if (cookie1 != 0x2135467 || cookie2 != 0x89BACDFE) { + abort('Stack overflow! Stack cookie has been overwritten, expected hex dwords 0x89BACDFE and 0x2135467, but received 0x' + cookie2.toString(16) + ' ' + cookie1.toString(16)); + } + // Also test the global address 0 for integrity. + // We don't do this with ASan because ASan does its own checks for this. + if (HEAP32[0] !== 0x63736d65 /* 'emsc' */) abort('Runtime error: The application has corrupted its heap memory area (address zero)!'); +} + + + + + +// Endianness check (note: assumes compiler arch was little-endian) +(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!'; +})(); + +function abortFnPtrError(ptr, sig) { + abort("Invalid function pointer " + ptr + " called with signature '" + sig + "'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this). Build with ASSERTIONS=2 for more info."); +} + + + +var __ATPRERUN__ = []; // functions called before the runtime is initialized +var __ATINIT__ = []; // functions called during startup +var __ATMAIN__ = []; // functions called when main() is to be run +var __ATEXIT__ = []; // functions called during shutdown +var __ATPOSTRUN__ = []; // functions called after the main() is called + +var runtimeInitialized = false; +var runtimeExited = false; + + +function preRun() { + + if (Module['preRun']) { + if (typeof Module['preRun'] == 'function') Module['preRun'] = [Module['preRun']]; + while (Module['preRun'].length) { + addOnPreRun(Module['preRun'].shift()); + } + } + + callRuntimeCallbacks(__ATPRERUN__); +} + +function initRuntime() { + checkStackCookie(); + assert(!runtimeInitialized); + runtimeInitialized = true; + + callRuntimeCallbacks(__ATINIT__); +} + +function preMain() { + checkStackCookie(); + + callRuntimeCallbacks(__ATMAIN__); +} + +function exitRuntime() { + checkStackCookie(); + runtimeExited = true; +} + +function postRun() { + checkStackCookie(); + + if (Module['postRun']) { + if (typeof Module['postRun'] == 'function') Module['postRun'] = [Module['postRun']]; + while (Module['postRun'].length) { + addOnPostRun(Module['postRun'].shift()); + } + } + + callRuntimeCallbacks(__ATPOSTRUN__); +} + +function addOnPreRun(cb) { + __ATPRERUN__.unshift(cb); +} + +function addOnInit(cb) { + __ATINIT__.unshift(cb); +} + +function addOnPreMain(cb) { + __ATMAIN__.unshift(cb); +} + +function addOnExit(cb) { +} + +function addOnPostRun(cb) { + __ATPOSTRUN__.unshift(cb); +} + + + + +// 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'); + +var Math_abs = Math.abs; +var Math_cos = Math.cos; +var Math_sin = Math.sin; +var Math_tan = Math.tan; +var Math_acos = Math.acos; +var Math_asin = Math.asin; +var Math_atan = Math.atan; +var Math_atan2 = Math.atan2; +var Math_exp = Math.exp; +var Math_log = Math.log; +var Math_sqrt = Math.sqrt; +var Math_ceil = Math.ceil; +var Math_floor = Math.floor; +var Math_pow = Math.pow; +var Math_imul = Math.imul; +var Math_fround = Math.fround; +var Math_round = Math.round; +var Math_min = Math.min; +var Math_max = Math.max; +var Math_clz32 = Math.clz32; +var Math_trunc = Math.trunc; + + + +// A counter of dependencies for calling run(). If we need to +// do asynchronous work before running, increment this and +// decrement it. Incrementing must happen in a place like +// Module.preRun (used by emcc to add file preloading). +// Note that you can add dependencies in preRun, even though +// it happens right before run - run will be postponed until +// the dependencies are met. +var runDependencies = 0; +var runDependencyWatcher = null; +var dependenciesFulfilled = null; // overridden to take different actions when all run dependencies are fulfilled +var runDependencyTracking = {}; + +function getUniqueRunDependency(id) { + var orig = id; + while (1) { + if (!runDependencyTracking[id]) return id; + id = orig + Math.random(); + } +} + +function addRunDependency(id) { + runDependencies++; + + if (Module['monitorRunDependencies']) { + Module['monitorRunDependencies'](runDependencies); + } + + if (id) { + assert(!runDependencyTracking[id]); + runDependencyTracking[id] = 1; + if (runDependencyWatcher === null && typeof setInterval !== 'undefined') { + // Check for missing dependencies every few seconds + runDependencyWatcher = setInterval(function() { + if (ABORT) { + clearInterval(runDependencyWatcher); + runDependencyWatcher = null; + return; + } + var shown = false; + for (var dep in runDependencyTracking) { + if (!shown) { + shown = true; + err('still waiting on run dependencies:'); + } + err('dependency: ' + dep); + } + if (shown) { + err('(end of list)'); + } + }, 10000); + } + } else { + err('warning: run dependency added without ID'); + } +} + +function removeRunDependency(id) { + runDependencies--; + + if (Module['monitorRunDependencies']) { + Module['monitorRunDependencies'](runDependencies); + } + + if (id) { + assert(runDependencyTracking[id]); + delete runDependencyTracking[id]; + } else { + err('warning: run dependency removed without ID'); + } + if (runDependencies == 0) { + if (runDependencyWatcher !== null) { + clearInterval(runDependencyWatcher); + runDependencyWatcher = null; + } + if (dependenciesFulfilled) { + var callback = dependenciesFulfilled; + dependenciesFulfilled = null; + callback(); // can add another dependenciesFulfilled + } + } +} + +Module["preloadedImages"] = {}; // maps url to image data +Module["preloadedAudios"] = {}; // maps url to audio data + +/** @param {string|number=} what */ +function abort(what) { + if (Module['onAbort']) { + Module['onAbort'](what); + } + + what += ''; + err(what); + + ABORT = true; + EXITSTATUS = 1; + + var output = 'abort(' + what + ') at ' + stackTrace(); + what = output; + + // Use a wasm runtime error, because a JS error might be seen as a foreign + // exception, which means we'd run destructors on it. We need the error to + // simply make the program stop. + var e = new WebAssembly.RuntimeError(what); + + // Throw the error whether or not MODULARIZE is set because abort is used + // in code paths apart from instantiation where an exception is expected + // to be thrown when abort is called. + throw e; +} + +var memoryInitializer = null; + + + + + + + +// show errors on likely calls to FS when it was not included +var FS = { + error: function() { + abort('Filesystem support (FS) was not included. The problem is that you are using files from JS, but files were not used from C/C++, so filesystem support was not auto-included. You can force-include filesystem support with -s FORCE_FILESYSTEM=1'); + }, + init: function() { FS.error() }, + createDataFile: function() { FS.error() }, + createPreloadedFile: function() { FS.error() }, + createLazyFile: function() { FS.error() }, + open: function() { FS.error() }, + mkdev: function() { FS.error() }, + registerDevice: function() { FS.error() }, + analyzePath: function() { FS.error() }, + loadFilesFromDB: function() { FS.error() }, + + ErrnoError: function ErrnoError() { FS.error() }, +}; +Module['FS_createDataFile'] = FS.createDataFile; +Module['FS_createPreloadedFile'] = FS.createPreloadedFile; + + + + +function hasPrefix(str, prefix) { + return String.prototype.startsWith ? + str.startsWith(prefix) : + str.indexOf(prefix) === 0; +} + +// 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) { + return hasPrefix(filename, dataURIPrefix); +} + +var fileURIPrefix = "file://"; + +// Indicates whether filename is delivered via file protocol (as opposed to http/https) +function isFileURI(filename) { + return hasPrefix(filename, fileURIPrefix); +} + + + +function createExportWrapper(name, fixedasm) { + return function() { + var displayName = name; + var asm = fixedasm; + if (!fixedasm) { + asm = Module['asm']; + } + assert(runtimeInitialized, 'native function `' + displayName + '` called before runtime initialization'); + assert(!runtimeExited, 'native function `' + displayName + '` called after runtime exit (use NO_EXIT_RUNTIME to keep it alive after main() exits)'); + if (!asm[name]) { + assert(asm[name], 'exported native function `' + displayName + '` not found'); + } + return asm[name].apply(null, arguments); + }; +} + + +var wasmBinaryFile = 'index.wasm'; +if (!isDataURI(wasmBinaryFile)) { + wasmBinaryFile = locateFile(wasmBinaryFile); +} + +function getBinary() { + try { + if (wasmBinary) { + return new Uint8Array(wasmBinary); + } + + if (readBinary) { + return readBinary(wasmBinaryFile); + } else { + throw "both async and sync fetching of the wasm failed"; + } + } + catch (err) { + abort(err); + } +} + +function getBinaryPromise() { + // If we don't have the binary yet, and have the Fetch api, use that; + // in some environments, like Electron's render process, Fetch api may be present, but have a different context than expected, let's only use it on the Web + if (!wasmBinary && (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) && typeof fetch === 'function' + // Let's not use fetch to get objects over file:// as it's most likely Cordova which doesn't support fetch for file:// + && !isFileURI(wasmBinaryFile) + ) { + 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(); + }); + } + // Otherwise, getBinary should be able to get it synchronously + return Promise.resolve().then(getBinary); +} + + + +// 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; + removeRunDependency('wasm-instantiate'); + } + // we can't run yet (except in a pthread, where we have a custom sync instantiator) + addRunDependency('wasm-instantiate'); + + + // 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 receiveInstantiatedSource(output) { + // 'output' is a WebAssemblyInstantiatedSource 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(output['instance']); + } + + + function instantiateArrayBuffer(receiver) { + return getBinaryPromise().then(function(binary) { + return WebAssembly.instantiate(binary, info); + }).then(receiver, function(reason) { + err('failed to asynchronously prepare wasm: ' + reason); + + + abort(reason); + }); + } + + // Prefer streaming instantiation if available. + function instantiateAsync() { + if (!wasmBinary && + typeof WebAssembly.instantiateStreaming === 'function' && + !isDataURI(wasmBinaryFile) && + // Don't use streaming for file:// delivered objects in a webview, fetch them synchronously. + !isFileURI(wasmBinaryFile) && + typeof fetch === 'function') { + fetch(wasmBinaryFile, { credentials: 'same-origin' }).then(function (response) { + var result = WebAssembly.instantiateStreaming(response, info); + return result.then(receiveInstantiatedSource, 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(receiveInstantiatedSource); + }); + }); + } else { + return instantiateArrayBuffer(receiveInstantiatedSource); + } + } + // User shell pages can write their own Module.instantiateWasm = function(imports, successCallback) callback + // to manually instantiate the Wasm module themselves. This allows pages to run the instantiation parallel + // to any other async startup actions they are performing. + if (Module['instantiateWasm']) { + try { + var exports = Module['instantiateWasm'](info, receiveInstance); + return exports; + } catch(e) { + err('Module.instantiateWasm callback failed with error: ' + e); + return false; + } + } + + instantiateAsync(); + return {}; // no exports yet; we'll fill them in later +} + +// Globals used by JS i64 conversions +var tempDouble; +var tempI64; + +// === Body === + +var ASM_CONSTS = { + +}; + + + + + +/* no memory initializer */ +// {{PRE_LIBRARY}} + + + function abortStackOverflow(allocSize) { + abort('Stack overflow! Attempted to allocate ' + allocSize + ' bytes on the stack, but stack has only ' + (STACK_MAX - stackSave() + allocSize) + ' bytes available!'); + } + + + function listenOnce(object, event, func) { + object.addEventListener(event, func, { 'once': true }); + }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, function() { + if (ctx.state === 'suspended') ctx.resume(); + }); + } + }); + }); + } + + function callRuntimeCallbacks(callbacks) { + while(callbacks.length > 0) { + var callback = callbacks.shift(); + if (typeof callback == 'function') { + callback(Module); // Pass the module as the first argument. + continue; + } + var func = callback.func; + if (typeof func === 'number') { + if (callback.arg === undefined) { + wasmTable.get(func)(); + } else { + wasmTable.get(func)(callback.arg); + } + } else { + func(callback.arg === undefined ? null : callback.arg); + } + } + } + + function demangle(func) { + warnOnce('warning: build with -s DEMANGLE_SUPPORT=1 to link in libcxxabi demangling'); + return func; + } + + function demangleAll(text) { + var regex = + /\b_Z[\w\d_]+/g; + return text.replace(regex, + function(x) { + var y = demangle(x); + return x === y ? x : (y + ' [' + x + ']'); + }); + } + + + 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); + } + if (args && args.length) { + return Module['dynCall_' + sig].apply(null, [ptr].concat(args)); + } + return Module['dynCall_' + sig].call(null, ptr); + }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.indexOf('j') != -1) { + return dynCallLegacy(sig, ptr, args); + } + + return wasmTable.get(ptr).apply(null, args) + } + + function jsStackTrace() { + var error = new Error(); + if (!error.stack) { + // IE10+ special cases: It does have callstack info, but it is only populated if an Error object is thrown, + // so try that as a special-case. + try { + throw new Error(); + } catch(e) { + error = e; + } + if (!error.stack) { + return '(no stack trace available)'; + } + } + return error.stack.toString(); + } + + function stackTrace() { + var js = jsStackTrace(); + if (Module['extraStackTrace']) js += '\n' + Module['extraStackTrace'](); + return demangleAll(js); + } + + + + function __webgl_enable_WEBGL_draw_instanced_base_vertex_base_instance(ctx) { + // Closure is expected to be allowed to minify the '.dibvbi' property, so not accessing it quoted. + return !!(ctx.dibvbi = ctx.getExtension('WEBGL_draw_instanced_base_vertex_base_instance')); + } + + function __webgl_enable_WEBGL_multi_draw(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:[],uniforms:[],shaders:[],vaos:[],contexts:[],offscreenCanvases:{},timerQueriesEXT:[],queries:[],samplers:[],transformFeedbacks:[],syncs:[],programInfos:{},stringCache:{},stringiCache:{},unpackAlignment:4,recordError:function recordError(errorCode) { + if (!GL.lastError) { + GL.lastError = errorCode; + } + },getNewId:function(table) { + var ret = GL.counter++; + for (var i = table.length; i < ret; i++) { + table[i] = null; + } + return ret; + },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(canvas, webGLContextAttributes) { + + + + + + var ctx = + (webGLContextAttributes.majorVersion > 1) + ? + canvas.getContext("webgl2", webGLContextAttributes) + : + (canvas.getContext("webgl", webGLContextAttributes) + // https://caniuse.com/#feat=webgl + ); + + + if (!ctx) return 0; + + var handle = GL.registerContext(ctx, webGLContextAttributes); + + + + return handle; + },registerContext:function(ctx, webGLContextAttributes) { + // without pthreads a context is just an integer ID + var handle = GL.getNewId(GL.contexts); + + var context = { + handle: handle, + attributes: webGLContextAttributes, + version: webGLContextAttributes.majorVersion, + GLctx: ctx + }; + + + // Store the created context object so that we can access the context given a canvas without having to pass the parameters again. + if (ctx.canvas) ctx.canvas.GLctxObject = context; + GL.contexts[handle] = context; + if (typeof webGLContextAttributes.enableExtensionsByDefault === 'undefined' || webGLContextAttributes.enableExtensionsByDefault) { + GL.initExtensions(context); + } + + + + + 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 available from WebGL >= 2 (no-op if called on a WebGL 1 context active) + __webgl_enable_WEBGL_draw_instanced_base_vertex_base_instance(GLctx); + + GLctx.disjointTimerQueryExt = GLctx.getExtension("EXT_disjoint_timer_query"); + __webgl_enable_WEBGL_multi_draw(GLctx); + + // These are the 'safe' feature-enabling extensions that don't add any performance impact related to e.g. debugging, and + // should be enabled by default so that client GLES2/GL code will not need to go through extra hoops to get its stuff working. + // As new extensions are ratified at http://www.khronos.org/registry/webgl/extensions/ , feel free to add your new extensions + // here, as long as they don't produce a performance impact for users that might not be using those extensions. + // E.g. debugging-related extensions should probably be off by default. + var automaticallyEnabledExtensions = [ // Khronos ratified WebGL extensions ordered by number (no debug extensions): + "OES_texture_float", "OES_texture_half_float", "OES_standard_derivatives", + "OES_vertex_array_object", "WEBGL_compressed_texture_s3tc", "WEBGL_depth_texture", + "OES_element_index_uint", "EXT_texture_filter_anisotropic", "EXT_frag_depth", + "WEBGL_draw_buffers", "ANGLE_instanced_arrays", "OES_texture_float_linear", + "OES_texture_half_float_linear", "EXT_blend_minmax", "EXT_shader_texture_lod", + "EXT_texture_norm16", + // Community approved WebGL extensions ordered by number: + "WEBGL_compressed_texture_pvrtc", "EXT_color_buffer_half_float", "WEBGL_color_buffer_float", + "EXT_sRGB", "WEBGL_compressed_texture_etc1", "EXT_disjoint_timer_query", + "WEBGL_compressed_texture_etc", "WEBGL_compressed_texture_astc", "EXT_color_buffer_float", + "WEBGL_compressed_texture_s3tc_srgb", "EXT_disjoint_timer_query_webgl2", + // Old style prefixed forms of extensions (but still currently used on e.g. iPhone Xs as + // tested on iOS 12.4.1): + "WEBKIT_WEBGL_compressed_texture_pvrtc"]; + + function shouldEnableAutomatically(extension) { + var ret = false; + automaticallyEnabledExtensions.forEach(function(include) { + if (extension.indexOf(include) != -1) { + ret = true; + } + }); + return ret; + } + + var exts = GLctx.getSupportedExtensions() || []; // .getSupportedExtensions() can return null if context is lost, so coerce to empty array. + exts.forEach(function(ext) { + if (automaticallyEnabledExtensions.indexOf(ext) != -1) { + GLctx.getExtension(ext); // Calling .getExtension enables that extension permanently, no need to store the return value to be enabled. + } + }); + },populateUniformTable:function(program) { + var p = GL.programs[program]; + var ptable = GL.programInfos[program] = { + uniforms: {}, + maxUniformLength: 0, // This is eagerly computed below, since we already enumerate all uniforms anyway. + maxAttributeLength: -1, // This is lazily computed and cached, computed when/if first asked, "-1" meaning not computed yet. + maxUniformBlockNameLength: -1 // Lazily computed as well + }; + + var utable = ptable.uniforms; + // A program's uniform table maps the string name of an uniform to an integer location of that uniform. + // The global GL.uniforms map maps integer locations to WebGLUniformLocations. + var numUniforms = GLctx.getProgramParameter(p, 0x8B86/*GL_ACTIVE_UNIFORMS*/); + for (var i = 0; i < numUniforms; ++i) { + var u = GLctx.getActiveUniform(p, i); + + var name = u.name; + ptable.maxUniformLength = Math.max(ptable.maxUniformLength, name.length+1); + + // If we are dealing with an array, e.g. vec4 foo[3], strip off the array index part to canonicalize that "foo", "foo[]", + // and "foo[0]" will mean the same. Loop below will populate foo[1] and foo[2]. + if (name.slice(-1) == ']') { + name = name.slice(0, name.lastIndexOf('[')); + } + + // Optimize memory usage slightly: If we have an array of uniforms, e.g. 'vec3 colors[3];', then + // only store the string 'colors' in utable, and 'colors[0]', 'colors[1]' and 'colors[2]' will be parsed as 'colors'+i. + // Note that for the GL.uniforms table, we still need to fetch the all WebGLUniformLocations for all the indices. + var loc = GLctx.getUniformLocation(p, name); + if (loc) { + var id = GL.getNewId(GL.uniforms); + utable[name] = [u.size, id]; + GL.uniforms[id] = loc; + + for (var j = 1; j < u.size; ++j) { + var n = name + '['+j+']'; + loc = GLctx.getUniformLocation(p, n); + id = GL.getNewId(GL.uniforms); + + GL.uniforms[id] = loc; + } + } + } + }};function _emscripten_glActiveTexture(x0) { GLctx['activeTexture'](x0) } + + function _emscripten_glAttachShader(program, shader) { + GLctx.attachShader(GL.programs[program], + GL.shaders[shader]); + } + + function _emscripten_glBeginQuery(target, id) { + GLctx['beginQuery'](target, GL.queries[id]); + } + + function _emscripten_glBeginQueryEXT(target, id) { + GLctx.disjointTimerQueryExt['beginQueryEXT'](target, GL.timerQueriesEXT[id]); + } + + function _emscripten_glBeginTransformFeedback(x0) { GLctx['beginTransformFeedback'](x0) } + + function _emscripten_glBindAttribLocation(program, index, name) { + GLctx.bindAttribLocation(GL.programs[program], index, UTF8ToString(name)); + } + + function _emscripten_glBindBuffer(target, buffer) { + + if (target == 0x88EB /*GL_PIXEL_PACK_BUFFER*/) { + // In WebGL 2 glReadPixels entry point, we need to use a different WebGL 2 API function call when a buffer is bound to + // GL_PIXEL_PACK_BUFFER_BINDING point, so must keep track whether that binding point is non-null to know what is + // the proper API function to call. + GLctx.currentPixelPackBufferBinding = buffer; + } else if (target == 0x88EC /*GL_PIXEL_UNPACK_BUFFER*/) { + // In WebGL 2 gl(Compressed)Tex(Sub)Image[23]D entry points, we need to + // use a different WebGL 2 API function call when a buffer is bound to + // GL_PIXEL_UNPACK_BUFFER_BINDING point, so must keep track whether that + // binding point is non-null to know what is the proper API function to + // call. + GLctx.currentPixelUnpackBufferBinding = buffer; + } + GLctx.bindBuffer(target, GL.buffers[buffer]); + } + + function _emscripten_glBindBufferBase(target, index, buffer) { + GLctx['bindBufferBase'](target, index, GL.buffers[buffer]); + } + + function _emscripten_glBindBufferRange(target, index, buffer, offset, ptrsize) { + GLctx['bindBufferRange'](target, index, GL.buffers[buffer], offset, ptrsize); + } + + function _emscripten_glBindFramebuffer(target, framebuffer) { + + GLctx.bindFramebuffer(target, GL.framebuffers[framebuffer]); + + } + + function _emscripten_glBindRenderbuffer(target, renderbuffer) { + GLctx.bindRenderbuffer(target, GL.renderbuffers[renderbuffer]); + } + + function _emscripten_glBindSampler(unit, sampler) { + GLctx['bindSampler'](unit, GL.samplers[sampler]); + } + + function _emscripten_glBindTexture(target, texture) { + GLctx.bindTexture(target, GL.textures[texture]); + } + + function _emscripten_glBindTransformFeedback(target, id) { + GLctx['bindTransformFeedback'](target, GL.transformFeedbacks[id]); + } + + function _emscripten_glBindVertexArray(vao) { + GLctx['bindVertexArray'](GL.vaos[vao]); + } + + 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_glBlitFramebuffer(x0, x1, x2, x3, x4, x5, x6, x7, x8, x9) { GLctx['blitFramebuffer'](x0, x1, x2, x3, x4, x5, x6, x7, x8, x9) } + + function _emscripten_glBufferData(target, size, data, usage) { + + if (GL.currentContext.version >= 2) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible. + if (data) { + GLctx.bufferData(target, HEAPU8, usage, data, size); + } else { + GLctx.bufferData(target, size, usage); + } + } else { + // N.b. here first form specifies a heap subarray, second form an integer size, so the ?: code here is polymorphic. It is advised to avoid + // randomly mixing both uses in calling code, to avoid any potential JS engine JIT issues. + GLctx.bufferData(target, data ? HEAPU8.subarray(data, data+size) : size, usage); + } + } + + function _emscripten_glBufferSubData(target, offset, size, data) { + if (GL.currentContext.version >= 2) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible. + GLctx.bufferSubData(target, offset, HEAPU8, data, size); + return; + } + GLctx.bufferSubData(target, offset, HEAPU8.subarray(data, data+size)); + } + + function _emscripten_glCheckFramebufferStatus(x0) { return GLctx['checkFramebufferStatus'](x0) } + + function _emscripten_glClear(x0) { GLctx['clear'](x0) } + + function _emscripten_glClearBufferfi(x0, x1, x2, x3) { GLctx['clearBufferfi'](x0, x1, x2, x3) } + + function _emscripten_glClearBufferfv(buffer, drawbuffer, value) { + + GLctx['clearBufferfv'](buffer, drawbuffer, HEAPF32, value>>2); + } + + function _emscripten_glClearBufferiv(buffer, drawbuffer, value) { + + GLctx['clearBufferiv'](buffer, drawbuffer, HEAP32, value>>2); + } + + function _emscripten_glClearBufferuiv(buffer, drawbuffer, value) { + + GLctx['clearBufferuiv'](buffer, drawbuffer, HEAPU32, value>>2); + } + + function _emscripten_glClearColor(x0, x1, x2, x3) { GLctx['clearColor'](x0, x1, x2, x3) } + + function _emscripten_glClearDepthf(x0) { GLctx['clearDepth'](x0) } + + function _emscripten_glClearStencil(x0) { GLctx['clearStencil'](x0) } + + + function convertI32PairToI53(lo, hi) { + // This function should not be getting called with too large unsigned numbers + // in high part (if hi >= 0x7FFFFFFFF, one should have been calling + // convertU32PairToI53()) + assert(hi === (hi|0)); + return (lo >>> 0) + hi * 4294967296; + }function _emscripten_glClientWaitSync(sync, flags, timeoutLo, timeoutHi) { + // WebGL2 vs GLES3 differences: in GLES3, the timeout parameter is a uint64, where 0xFFFFFFFFFFFFFFFFULL means GL_TIMEOUT_IGNORED. + // In JS, there's no 64-bit value types, so instead timeout is taken to be signed, and GL_TIMEOUT_IGNORED is given value -1. + // Inherently the value accepted in the timeout is lossy, and can't take in arbitrary u64 bit pattern (but most likely doesn't matter) + // See https://www.khronos.org/registry/webgl/specs/latest/2.0/#5.15 + return GLctx.clientWaitSync(GL.syncs[sync], flags, convertI32PairToI53(timeoutLo, timeoutHi)); + } + + function _emscripten_glColorMask(red, green, blue, alpha) { + GLctx.colorMask(!!red, !!green, !!blue, !!alpha); + } + + function _emscripten_glCompileShader(shader) { + GLctx.compileShader(GL.shaders[shader]); + } + + function _emscripten_glCompressedTexImage2D(target, level, internalFormat, width, height, border, imageSize, data) { + if (GL.currentContext.version >= 2) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible. + if (GLctx.currentPixelUnpackBufferBinding) { + GLctx['compressedTexImage2D'](target, level, internalFormat, width, height, border, imageSize, data); + } else { + GLctx['compressedTexImage2D'](target, level, internalFormat, width, height, border, HEAPU8, data, imageSize); + } + return; + } + GLctx['compressedTexImage2D'](target, level, internalFormat, width, height, border, data ? HEAPU8.subarray((data),(data+imageSize)) : null); + } + + function _emscripten_glCompressedTexImage3D(target, level, internalFormat, width, height, depth, border, imageSize, data) { + if (GLctx.currentPixelUnpackBufferBinding) { + GLctx['compressedTexImage3D'](target, level, internalFormat, width, height, depth, border, imageSize, data); + } else { + GLctx['compressedTexImage3D'](target, level, internalFormat, width, height, depth, border, HEAPU8, data, imageSize); + } + } + + function _emscripten_glCompressedTexSubImage2D(target, level, xoffset, yoffset, width, height, format, imageSize, data) { + if (GL.currentContext.version >= 2) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible. + if (GLctx.currentPixelUnpackBufferBinding) { + GLctx['compressedTexSubImage2D'](target, level, xoffset, yoffset, width, height, format, imageSize, data); + } else { + GLctx['compressedTexSubImage2D'](target, level, xoffset, yoffset, width, height, format, HEAPU8, data, imageSize); + } + return; + } + GLctx['compressedTexSubImage2D'](target, level, xoffset, yoffset, width, height, format, data ? HEAPU8.subarray((data),(data+imageSize)) : null); + } + + function _emscripten_glCompressedTexSubImage3D(target, level, xoffset, yoffset, zoffset, width, height, depth, format, imageSize, data) { + if (GLctx.currentPixelUnpackBufferBinding) { + GLctx['compressedTexSubImage3D'](target, level, xoffset, yoffset, zoffset, width, height, depth, format, imageSize, data); + } else { + GLctx['compressedTexSubImage3D'](target, level, xoffset, yoffset, zoffset, width, height, depth, format, HEAPU8, data, imageSize); + } + } + + function _emscripten_glCopyBufferSubData(x0, x1, x2, x3, x4) { GLctx['copyBufferSubData'](x0, x1, x2, x3, x4) } + + function _emscripten_glCopyTexImage2D(x0, x1, x2, x3, x4, x5, x6, x7) { GLctx['copyTexImage2D'](x0, x1, x2, x3, x4, x5, x6, x7) } + + function _emscripten_glCopyTexSubImage2D(x0, x1, x2, x3, x4, x5, x6, x7) { GLctx['copyTexSubImage2D'](x0, x1, x2, x3, x4, x5, x6, x7) } + + function _emscripten_glCopyTexSubImage3D(x0, x1, x2, x3, x4, x5, x6, x7, x8) { GLctx['copyTexSubImage3D'](x0, x1, x2, x3, x4, x5, x6, x7, x8) } + + function _emscripten_glCreateProgram() { + var id = GL.getNewId(GL.programs); + var program = GLctx.createProgram(); + program.name = id; + GL.programs[id] = program; + return id; + } + + function _emscripten_glCreateShader(shaderType) { + var id = GL.getNewId(GL.shaders); + GL.shaders[id] = GLctx.createShader(shaderType); + return id; + } + + function _emscripten_glCullFace(x0) { GLctx['cullFace'](x0) } + + function _emscripten_glDeleteBuffers(n, buffers) { + for (var i = 0; i < n; i++) { + var id = HEAP32[(((buffers)+(i*4))>>2)]; + var buffer = GL.buffers[id]; + + // From spec: "glDeleteBuffers silently ignores 0's and names that do not + // correspond to existing buffer objects." + if (!buffer) continue; + + GLctx.deleteBuffer(buffer); + buffer.name = 0; + GL.buffers[id] = null; + + if (id == GLctx.currentPixelPackBufferBinding) GLctx.currentPixelPackBufferBinding = 0; + if (id == GLctx.currentPixelUnpackBufferBinding) GLctx.currentPixelUnpackBufferBinding = 0; + } + } + + function _emscripten_glDeleteFramebuffers(n, framebuffers) { + for (var i = 0; i < n; ++i) { + var id = HEAP32[(((framebuffers)+(i*4))>>2)]; + var framebuffer = GL.framebuffers[id]; + if (!framebuffer) continue; // GL spec: "glDeleteFramebuffers silently ignores 0s and names that do not correspond to existing framebuffer objects". + GLctx.deleteFramebuffer(framebuffer); + framebuffer.name = 0; + GL.framebuffers[id] = null; + } + } + + function _emscripten_glDeleteProgram(id) { + if (!id) return; + var program = GL.programs[id]; + if (!program) { // glDeleteProgram actually signals an error when deleting a nonexisting object, unlike some other GL delete functions. + GL.recordError(0x501 /* GL_INVALID_VALUE */); + return; + } + GLctx.deleteProgram(program); + program.name = 0; + GL.programs[id] = null; + GL.programInfos[id] = null; + } + + function _emscripten_glDeleteQueries(n, ids) { + for (var i = 0; i < n; i++) { + var id = HEAP32[(((ids)+(i*4))>>2)]; + var query = GL.queries[id]; + if (!query) continue; // GL spec: "unused names in ids are ignored, as is the name zero." + GLctx['deleteQuery'](query); + GL.queries[id] = null; + } + } + + function _emscripten_glDeleteQueriesEXT(n, ids) { + for (var i = 0; i < n; i++) { + var id = HEAP32[(((ids)+(i*4))>>2)]; + var query = GL.timerQueriesEXT[id]; + if (!query) continue; // GL spec: "unused names in ids are ignored, as is the name zero." + GLctx.disjointTimerQueryExt['deleteQueryEXT'](query); + GL.timerQueriesEXT[id] = null; + } + } + + function _emscripten_glDeleteRenderbuffers(n, renderbuffers) { + for (var i = 0; i < n; i++) { + var id = HEAP32[(((renderbuffers)+(i*4))>>2)]; + var renderbuffer = GL.renderbuffers[id]; + if (!renderbuffer) continue; // GL spec: "glDeleteRenderbuffers silently ignores 0s and names that do not correspond to existing renderbuffer objects". + GLctx.deleteRenderbuffer(renderbuffer); + renderbuffer.name = 0; + GL.renderbuffers[id] = null; + } + } + + function _emscripten_glDeleteSamplers(n, samplers) { + for (var i = 0; i < n; i++) { + var id = HEAP32[(((samplers)+(i*4))>>2)]; + var sampler = GL.samplers[id]; + if (!sampler) continue; + GLctx['deleteSampler'](sampler); + sampler.name = 0; + GL.samplers[id] = null; + } + } + + function _emscripten_glDeleteShader(id) { + if (!id) return; + var shader = GL.shaders[id]; + if (!shader) { // glDeleteShader actually signals an error when deleting a nonexisting object, unlike some other GL delete functions. + GL.recordError(0x501 /* GL_INVALID_VALUE */); + return; + } + GLctx.deleteShader(shader); + GL.shaders[id] = null; + } + + function _emscripten_glDeleteSync(id) { + if (!id) return; + var sync = GL.syncs[id]; + if (!sync) { // glDeleteSync signals an error when deleting a nonexisting object, unlike some other GL delete functions. + GL.recordError(0x501 /* GL_INVALID_VALUE */); + return; + } + GLctx.deleteSync(sync); + sync.name = 0; + GL.syncs[id] = null; + } + + function _emscripten_glDeleteTextures(n, textures) { + for (var i = 0; i < n; i++) { + var id = HEAP32[(((textures)+(i*4))>>2)]; + var texture = GL.textures[id]; + if (!texture) continue; // GL spec: "glDeleteTextures silently ignores 0s and names that do not correspond to existing textures". + GLctx.deleteTexture(texture); + texture.name = 0; + GL.textures[id] = null; + } + } + + function _emscripten_glDeleteTransformFeedbacks(n, ids) { + for (var i = 0; i < n; i++) { + var id = HEAP32[(((ids)+(i*4))>>2)]; + var transformFeedback = GL.transformFeedbacks[id]; + if (!transformFeedback) continue; // GL spec: "unused names in ids are ignored, as is the name zero." + GLctx['deleteTransformFeedback'](transformFeedback); + transformFeedback.name = 0; + GL.transformFeedbacks[id] = null; + } + } + + function _emscripten_glDeleteVertexArrays(n, vaos) { + for (var i = 0; i < n; i++) { + var id = HEAP32[(((vaos)+(i*4))>>2)]; + GLctx['deleteVertexArray'](GL.vaos[id]); + GL.vaos[id] = null; + } + } + + function _emscripten_glDeleteVertexArraysOES(n, vaos) { + for (var i = 0; i < n; i++) { + var id = HEAP32[(((vaos)+(i*4))>>2)]; + GLctx['deleteVertexArray'](GL.vaos[id]); + GL.vaos[id] = null; + } + } + + function _emscripten_glDepthFunc(x0) { GLctx['depthFunc'](x0) } + + function _emscripten_glDepthMask(flag) { + GLctx.depthMask(!!flag); + } + + function _emscripten_glDepthRangef(x0, x1) { GLctx['depthRange'](x0, x1) } + + function _emscripten_glDetachShader(program, shader) { + GLctx.detachShader(GL.programs[program], + GL.shaders[shader]); + } + + function _emscripten_glDisable(x0) { GLctx['disable'](x0) } + + function _emscripten_glDisableVertexAttribArray(index) { + GLctx.disableVertexAttribArray(index); + } + + function _emscripten_glDrawArrays(mode, first, count) { + + GLctx.drawArrays(mode, first, count); + + } + + function _emscripten_glDrawArraysInstanced(mode, first, count, primcount) { + GLctx['drawArraysInstanced'](mode, first, count, primcount); + } + + function _emscripten_glDrawArraysInstancedANGLE(mode, first, count, primcount) { + GLctx['drawArraysInstanced'](mode, first, count, primcount); + } + + function _emscripten_glDrawArraysInstancedARB(mode, first, count, primcount) { + GLctx['drawArraysInstanced'](mode, first, count, primcount); + } + + function _emscripten_glDrawArraysInstancedEXT(mode, first, count, primcount) { + GLctx['drawArraysInstanced'](mode, first, count, primcount); + } + + function _emscripten_glDrawArraysInstancedNV(mode, first, count, primcount) { + GLctx['drawArraysInstanced'](mode, first, count, primcount); + } + + + var tempFixedLengthArray=[];function _emscripten_glDrawBuffers(n, bufs) { + + var bufArray = tempFixedLengthArray[n]; + for (var i = 0; i < n; i++) { + bufArray[i] = HEAP32[(((bufs)+(i*4))>>2)]; + } + + GLctx['drawBuffers'](bufArray); + } + + function _emscripten_glDrawBuffersEXT(n, bufs) { + + var bufArray = tempFixedLengthArray[n]; + for (var i = 0; i < n; i++) { + bufArray[i] = HEAP32[(((bufs)+(i*4))>>2)]; + } + + GLctx['drawBuffers'](bufArray); + } + + function _emscripten_glDrawBuffersWEBGL(n, bufs) { + + var bufArray = tempFixedLengthArray[n]; + for (var i = 0; i < n; i++) { + bufArray[i] = HEAP32[(((bufs)+(i*4))>>2)]; + } + + GLctx['drawBuffers'](bufArray); + } + + function _emscripten_glDrawElements(mode, count, type, indices) { + + GLctx.drawElements(mode, count, type, indices); + + } + + function _emscripten_glDrawElementsInstanced(mode, count, type, indices, primcount) { + GLctx['drawElementsInstanced'](mode, count, type, indices, primcount); + } + + function _emscripten_glDrawElementsInstancedANGLE(mode, count, type, indices, primcount) { + GLctx['drawElementsInstanced'](mode, count, type, indices, primcount); + } + + function _emscripten_glDrawElementsInstancedARB(mode, count, type, indices, primcount) { + GLctx['drawElementsInstanced'](mode, count, type, indices, primcount); + } + + function _emscripten_glDrawElementsInstancedEXT(mode, count, type, indices, primcount) { + GLctx['drawElementsInstanced'](mode, count, type, indices, primcount); + } + + function _emscripten_glDrawElementsInstancedNV(mode, count, type, indices, primcount) { + GLctx['drawElementsInstanced'](mode, count, type, indices, primcount); + } + + + function _glDrawElements(mode, count, type, indices) { + + GLctx.drawElements(mode, count, type, indices); + + }function _emscripten_glDrawRangeElements(mode, start, end, count, type, indices) { + // TODO: This should be a trivial pass-though function registered at the bottom of this page as + // glFuncs[6][1] += ' drawRangeElements'; + // but due to https://bugzilla.mozilla.org/show_bug.cgi?id=1202427, + // we work around by ignoring the range. + _glDrawElements(mode, count, type, indices); + } + + function _emscripten_glEnable(x0) { GLctx['enable'](x0) } + + function _emscripten_glEnableVertexAttribArray(index) { + GLctx.enableVertexAttribArray(index); + } + + function _emscripten_glEndQuery(x0) { GLctx['endQuery'](x0) } + + function _emscripten_glEndQueryEXT(target) { + GLctx.disjointTimerQueryExt['endQueryEXT'](target); + } + + function _emscripten_glEndTransformFeedback() { GLctx['endTransformFeedback']() } + + function _emscripten_glFenceSync(condition, flags) { + var sync = GLctx.fenceSync(condition, flags); + if (sync) { + var id = GL.getNewId(GL.syncs); + sync.name = id; + GL.syncs[id] = sync; + return id; + } else { + return 0; // Failed to create a sync object + } + } + + function _emscripten_glFinish() { GLctx['finish']() } + + function _emscripten_glFlush() { GLctx['flush']() } + + function _emscripten_glFramebufferRenderbuffer(target, attachment, renderbuffertarget, renderbuffer) { + GLctx.framebufferRenderbuffer(target, attachment, renderbuffertarget, + GL.renderbuffers[renderbuffer]); + } + + function _emscripten_glFramebufferTexture2D(target, attachment, textarget, texture, level) { + GLctx.framebufferTexture2D(target, attachment, textarget, + GL.textures[texture], level); + } + + function _emscripten_glFramebufferTextureLayer(target, attachment, texture, level, layer) { + GLctx.framebufferTextureLayer(target, attachment, GL.textures[texture], level, layer); + } + + function _emscripten_glFrontFace(x0) { GLctx['frontFace'](x0) } + + + function __glGenObject(n, buffers, createFunction, objectTable + ) { + for (var i = 0; i < n; i++) { + var buffer = GLctx[createFunction](); + var id = buffer && GL.getNewId(objectTable); + if (buffer) { + buffer.name = id; + objectTable[id] = buffer; + } else { + GL.recordError(0x502 /* GL_INVALID_OPERATION */); + } + HEAP32[(((buffers)+(i*4))>>2)]=id; + } + }function _emscripten_glGenBuffers(n, buffers) { + __glGenObject(n, buffers, 'createBuffer', GL.buffers + ); + } + + function _emscripten_glGenFramebuffers(n, ids) { + __glGenObject(n, ids, 'createFramebuffer', GL.framebuffers + ); + } + + function _emscripten_glGenQueries(n, ids) { + __glGenObject(n, ids, 'createQuery', GL.queries + ); + } + + function _emscripten_glGenQueriesEXT(n, ids) { + for (var i = 0; i < n; i++) { + var query = GLctx.disjointTimerQueryExt['createQueryEXT'](); + if (!query) { + GL.recordError(0x502 /* GL_INVALID_OPERATION */); + while(i < n) HEAP32[(((ids)+(i++*4))>>2)]=0; + return; + } + var id = GL.getNewId(GL.timerQueriesEXT); + query.name = id; + GL.timerQueriesEXT[id] = query; + HEAP32[(((ids)+(i*4))>>2)]=id; + } + } + + function _emscripten_glGenRenderbuffers(n, renderbuffers) { + __glGenObject(n, renderbuffers, 'createRenderbuffer', GL.renderbuffers + ); + } + + function _emscripten_glGenSamplers(n, samplers) { + __glGenObject(n, samplers, 'createSampler', GL.samplers + ); + } + + function _emscripten_glGenTextures(n, textures) { + __glGenObject(n, textures, 'createTexture', GL.textures + ); + } + + function _emscripten_glGenTransformFeedbacks(n, ids) { + __glGenObject(n, ids, 'createTransformFeedback', GL.transformFeedbacks + ); + } + + function _emscripten_glGenVertexArrays(n, arrays) { + __glGenObject(n, arrays, 'createVertexArray', GL.vaos + ); + } + + function _emscripten_glGenVertexArraysOES(n, arrays) { + __glGenObject(n, arrays, 'createVertexArray', GL.vaos + ); + } + + function _emscripten_glGenerateMipmap(x0) { GLctx['generateMipmap'](x0) } + + + function __glGetActiveAttribOrUniform(funcName, program, index, bufSize, length, size, type, name) { + program = GL.programs[program]; + var info = GLctx[funcName](program, index); + if (info) { // If an error occurs, nothing will be written to length, size and type and name. + var numBytesWrittenExclNull = name && stringToUTF8(info.name, name, bufSize); + if (length) HEAP32[((length)>>2)]=numBytesWrittenExclNull; + if (size) HEAP32[((size)>>2)]=info.size; + if (type) HEAP32[((type)>>2)]=info.type; + } + }function _emscripten_glGetActiveAttrib(program, index, bufSize, length, size, type, name) { + __glGetActiveAttribOrUniform('getActiveAttrib', program, index, bufSize, length, size, type, name); + } + + function _emscripten_glGetActiveUniform(program, index, bufSize, length, size, type, name) { + __glGetActiveAttribOrUniform('getActiveUniform', program, index, bufSize, length, size, type, name); + } + + function _emscripten_glGetActiveUniformBlockName(program, uniformBlockIndex, bufSize, length, uniformBlockName) { + program = GL.programs[program]; + + var result = GLctx['getActiveUniformBlockName'](program, uniformBlockIndex); + if (!result) return; // If an error occurs, nothing will be written to uniformBlockName or length. + if (uniformBlockName && bufSize > 0) { + var numBytesWrittenExclNull = stringToUTF8(result, uniformBlockName, bufSize); + if (length) HEAP32[((length)>>2)]=numBytesWrittenExclNull; + } else { + if (length) HEAP32[((length)>>2)]=0; + } + } + + function _emscripten_glGetActiveUniformBlockiv(program, uniformBlockIndex, pname, params) { + if (!params) { + // GLES2 specification does not specify how to behave if params is a null pointer. Since calling this function does not make sense + // if params == null, issue a GL error to notify user about it. + GL.recordError(0x501 /* GL_INVALID_VALUE */); + return; + } + program = GL.programs[program]; + + switch(pname) { + case 0x8A41: /* GL_UNIFORM_BLOCK_NAME_LENGTH */ + var name = GLctx['getActiveUniformBlockName'](program, uniformBlockIndex); + HEAP32[((params)>>2)]=name.length+1; + return; + default: + var result = GLctx['getActiveUniformBlockParameter'](program, uniformBlockIndex, pname); + if (!result) return; // If an error occurs, nothing will be written to params. + if (typeof result == 'number') { + HEAP32[((params)>>2)]=result; + } else { + for (var i = 0; i < result.length; i++) { + HEAP32[(((params)+(i*4))>>2)]=result[i]; + } + } + } + } + + function _emscripten_glGetActiveUniformsiv(program, uniformCount, uniformIndices, pname, params) { + if (!params) { + // GLES2 specification does not specify how to behave if params is a null pointer. Since calling this function does not make sense + // if params == null, issue a GL error to notify user about it. + GL.recordError(0x501 /* GL_INVALID_VALUE */); + return; + } + if (uniformCount > 0 && uniformIndices == 0) { + GL.recordError(0x501 /* GL_INVALID_VALUE */); + return; + } + program = GL.programs[program]; + var ids = []; + for (var i = 0; i < uniformCount; i++) { + ids.push(HEAP32[(((uniformIndices)+(i*4))>>2)]); + } + + var result = GLctx['getActiveUniforms'](program, ids, pname); + if (!result) return; // GL spec: If an error is generated, nothing is written out to params. + + var len = result.length; + for (var i = 0; i < len; i++) { + HEAP32[(((params)+(i*4))>>2)]=result[i]; + } + } + + function _emscripten_glGetAttachedShaders(program, maxCount, count, shaders) { + var result = GLctx.getAttachedShaders(GL.programs[program]); + var len = result.length; + if (len > maxCount) { + len = maxCount; + } + HEAP32[((count)>>2)]=len; + for (var i = 0; i < len; ++i) { + var id = GL.shaders.indexOf(result[i]); + HEAP32[(((shaders)+(i*4))>>2)]=id; + } + } + + function _emscripten_glGetAttribLocation(program, name) { + return GLctx.getAttribLocation(GL.programs[program], UTF8ToString(name)); + } + + + + + function readI53FromI64(ptr) { + return HEAPU32[ptr>>2] + HEAP32[ptr+4>>2] * 4294967296; + } + + function readI53FromU64(ptr) { + return HEAPU32[ptr>>2] + HEAPU32[ptr+4>>2] * 4294967296; + }function writeI53ToI64(ptr, num) { + HEAPU32[ptr>>2] = num; + HEAPU32[ptr+4>>2] = (num - HEAPU32[ptr>>2])/4294967296; + var deserialized = (num >= 0) ? readI53FromU64(ptr) : readI53FromI64(ptr); + if (deserialized != num) warnOnce('writeI53ToI64() out of range: serialized JS Number ' + num + ' to Wasm heap as bytes lo=0x' + HEAPU32[ptr>>2].toString(16) + ', hi=0x' + HEAPU32[ptr+4>>2].toString(16) + ', which deserializes back to ' + deserialized + ' instead!'); + }function emscriptenWebGLGet(name_, p, type) { + // Guard against user passing a null pointer. + // Note that GLES2 spec does not say anything about how passing a null pointer should be treated. + // Testing on desktop core GL 3, the application crashes on glGetIntegerv to a null pointer, but + // better to report an error instead of doing anything random. + if (!p) { + GL.recordError(0x501 /* GL_INVALID_VALUE */); + return; + } + var ret = undefined; + switch(name_) { // Handle a few trivial GLES values + case 0x8DFA: // GL_SHADER_COMPILER + ret = 1; + break; + case 0x8DF8: // GL_SHADER_BINARY_FORMATS + if (type != 0 && type != 1) { + GL.recordError(0x500); // GL_INVALID_ENUM + } + return; // Do not write anything to the out pointer, since no binary formats are supported. + case 0x87FE: // GL_NUM_PROGRAM_BINARY_FORMATS + case 0x8DF9: // GL_NUM_SHADER_BINARY_FORMATS + ret = 0; + break; + case 0x86A2: // GL_NUM_COMPRESSED_TEXTURE_FORMATS + // WebGL doesn't have GL_NUM_COMPRESSED_TEXTURE_FORMATS (it's obsolete since GL_COMPRESSED_TEXTURE_FORMATS returns a JS array that can be queried for length), + // so implement it ourselves to allow C++ GLES2 code get the length. + var formats = GLctx.getParameter(0x86A3 /*GL_COMPRESSED_TEXTURE_FORMATS*/); + ret = formats ? formats.length : 0; + break; + case 0x821D: // GL_NUM_EXTENSIONS + if (GL.currentContext.version < 2) { + GL.recordError(0x502 /* GL_INVALID_OPERATION */); // Calling GLES3/WebGL2 function with a GLES2/WebGL1 context + return; + } + // .getSupportedExtensions() can return null if context is lost, so coerce to empty array. + var exts = GLctx.getSupportedExtensions() || []; + ret = 2 * exts.length; // each extension is duplicated, first in unprefixed WebGL form, and then a second time with "GL_" prefix. + break; + case 0x821B: // GL_MAJOR_VERSION + case 0x821C: // GL_MINOR_VERSION + if (GL.currentContext.version < 2) { + GL.recordError(0x500); // GL_INVALID_ENUM + return; + } + ret = name_ == 0x821B ? 3 : 0; // return version 3.0 + break; + } + + if (ret === undefined) { + var result = GLctx.getParameter(name_); + switch (typeof(result)) { + case "number": + ret = result; + break; + case "boolean": + ret = result ? 1 : 0; + break; + case "string": + GL.recordError(0x500); // GL_INVALID_ENUM + return; + case "object": + if (result === null) { + // null is a valid result for some (e.g., which buffer is bound - perhaps nothing is bound), but otherwise + // can mean an invalid name_, which we need to report as an error + switch(name_) { + case 0x8894: // ARRAY_BUFFER_BINDING + case 0x8B8D: // CURRENT_PROGRAM + case 0x8895: // ELEMENT_ARRAY_BUFFER_BINDING + case 0x8CA6: // FRAMEBUFFER_BINDING or DRAW_FRAMEBUFFER_BINDING + case 0x8CA7: // RENDERBUFFER_BINDING + case 0x8069: // TEXTURE_BINDING_2D + case 0x85B5: // WebGL 2 GL_VERTEX_ARRAY_BINDING, or WebGL 1 extension OES_vertex_array_object GL_VERTEX_ARRAY_BINDING_OES + case 0x8F36: // COPY_READ_BUFFER_BINDING or COPY_READ_BUFFER + case 0x8F37: // COPY_WRITE_BUFFER_BINDING or COPY_WRITE_BUFFER + case 0x88ED: // PIXEL_PACK_BUFFER_BINDING + case 0x88EF: // PIXEL_UNPACK_BUFFER_BINDING + case 0x8CAA: // READ_FRAMEBUFFER_BINDING + case 0x8919: // SAMPLER_BINDING + case 0x8C1D: // TEXTURE_BINDING_2D_ARRAY + case 0x806A: // TEXTURE_BINDING_3D + case 0x8E25: // TRANSFORM_FEEDBACK_BINDING + case 0x8C8F: // TRANSFORM_FEEDBACK_BUFFER_BINDING + case 0x8A28: // UNIFORM_BUFFER_BINDING + case 0x8514: { // TEXTURE_BINDING_CUBE_MAP + ret = 0; + break; + } + default: { + GL.recordError(0x500); // GL_INVALID_ENUM + return; + } + } + } else if (result instanceof Float32Array || + result instanceof Uint32Array || + result instanceof Int32Array || + result instanceof Array) { + for (var i = 0; i < result.length; ++i) { + switch (type) { + case 0: HEAP32[(((p)+(i*4))>>2)]=result[i]; break; + case 2: HEAPF32[(((p)+(i*4))>>2)]=result[i]; break; + case 4: HEAP8[(((p)+(i))>>0)]=result[i] ? 1 : 0; break; + } + } + return; + } else { + try { + ret = result.name | 0; + } catch(e) { + GL.recordError(0x500); // GL_INVALID_ENUM + err('GL_INVALID_ENUM in glGet' + type + 'v: Unknown object returned from WebGL getParameter(' + name_ + ')! (error: ' + e + ')'); + return; + } + } + break; + default: + GL.recordError(0x500); // GL_INVALID_ENUM + err('GL_INVALID_ENUM in glGet' + type + 'v: Native code calling glGet' + type + 'v(' + name_ + ') and it returns ' + result + ' of type ' + typeof(result) + '!'); + return; + } + } + + switch (type) { + case 1: writeI53ToI64(p, ret); break; + case 0: HEAP32[((p)>>2)]=ret; break; + case 2: HEAPF32[((p)>>2)]=ret; break; + case 4: HEAP8[((p)>>0)]=ret ? 1 : 0; break; + } + }function _emscripten_glGetBooleanv(name_, p) { + emscriptenWebGLGet(name_, p, 4); + } + + function _emscripten_glGetBufferParameteri64v(target, value, data) { + if (!data) { + // GLES2 specification does not specify how to behave if data is a null pointer. Since calling this function does not make sense + // if data == null, issue a GL error to notify user about it. + GL.recordError(0x501 /* GL_INVALID_VALUE */); + return; + } + writeI53ToI64(data, GLctx.getBufferParameter(target, value)); + } + + function _emscripten_glGetBufferParameteriv(target, value, data) { + if (!data) { + // GLES2 specification does not specify how to behave if data is a null pointer. Since calling this function does not make sense + // if data == null, issue a GL error to notify user about it. + GL.recordError(0x501 /* GL_INVALID_VALUE */); + return; + } + HEAP32[((data)>>2)]=GLctx.getBufferParameter(target, value); + } + + function _emscripten_glGetError() { + var error = GLctx.getError() || GL.lastError; + GL.lastError = 0/*GL_NO_ERROR*/; + return error; + } + + function _emscripten_glGetFloatv(name_, p) { + emscriptenWebGLGet(name_, p, 2); + } + + function _emscripten_glGetFragDataLocation(program, name) { + return GLctx['getFragDataLocation'](GL.programs[program], UTF8ToString(name)); + } + + function _emscripten_glGetFramebufferAttachmentParameteriv(target, attachment, pname, params) { + var result = GLctx.getFramebufferAttachmentParameter(target, attachment, pname); + if (result instanceof WebGLRenderbuffer || + result instanceof WebGLTexture) { + result = result.name | 0; + } + HEAP32[((params)>>2)]=result; + } + + + function emscriptenWebGLGetIndexed(target, index, data, type) { + if (!data) { + // GLES2 specification does not specify how to behave if data is a null pointer. Since calling this function does not make sense + // if data == null, issue a GL error to notify user about it. + GL.recordError(0x501 /* GL_INVALID_VALUE */); + return; + } + var result = GLctx['getIndexedParameter'](target, index); + var ret; + switch (typeof result) { + case 'boolean': + ret = result ? 1 : 0; + break; + case 'number': + ret = result; + break; + case 'object': + if (result === null) { + switch (target) { + case 0x8C8F: // TRANSFORM_FEEDBACK_BUFFER_BINDING + case 0x8A28: // UNIFORM_BUFFER_BINDING + ret = 0; + break; + default: { + GL.recordError(0x500); // GL_INVALID_ENUM + return; + } + } + } else if (result instanceof WebGLBuffer) { + ret = result.name | 0; + } else { + GL.recordError(0x500); // GL_INVALID_ENUM + return; + } + break; + default: + GL.recordError(0x500); // GL_INVALID_ENUM + return; + } + + switch (type) { + case 1: writeI53ToI64(data, ret); break; + case 0: HEAP32[((data)>>2)]=ret; break; + case 2: HEAPF32[((data)>>2)]=ret; break; + case 4: HEAP8[((data)>>0)]=ret ? 1 : 0; break; + default: throw 'internal emscriptenWebGLGetIndexed() error, bad type: ' + type; + } + }function _emscripten_glGetInteger64i_v(target, index, data) { + emscriptenWebGLGetIndexed(target, index, data, 1); + } + + function _emscripten_glGetInteger64v(name_, p) { + emscriptenWebGLGet(name_, p, 1); + } + + function _emscripten_glGetIntegeri_v(target, index, data) { + emscriptenWebGLGetIndexed(target, index, data, 0); + } + + function _emscripten_glGetIntegerv(name_, p) { + emscriptenWebGLGet(name_, p, 0); + } + + function _emscripten_glGetInternalformativ(target, internalformat, pname, bufSize, params) { + if (bufSize < 0) { + GL.recordError(0x501 /* GL_INVALID_VALUE */); + return; + } + if (!params) { + // GLES3 specification does not specify how to behave if values is a null pointer. Since calling this function does not make sense + // if values == null, issue a GL error to notify user about it. + GL.recordError(0x501 /* GL_INVALID_VALUE */); + return; + } + var ret = GLctx['getInternalformatParameter'](target, internalformat, pname); + if (ret === null) return; + for (var i = 0; i < ret.length && i < bufSize; ++i) { + HEAP32[(((params)+(i))>>2)]=ret[i]; + } + } + + function _emscripten_glGetProgramBinary(program, bufSize, length, binaryFormat, binary) { + GL.recordError(0x502/*GL_INVALID_OPERATION*/); + } + + function _emscripten_glGetProgramInfoLog(program, maxLength, length, infoLog) { + var log = GLctx.getProgramInfoLog(GL.programs[program]); + if (log === null) log = '(unknown error)'; + var numBytesWrittenExclNull = (maxLength > 0 && infoLog) ? stringToUTF8(log, infoLog, maxLength) : 0; + if (length) HEAP32[((length)>>2)]=numBytesWrittenExclNull; + } + + function _emscripten_glGetProgramiv(program, pname, p) { + if (!p) { + // GLES2 specification does not specify how to behave if p is a null pointer. Since calling this function does not make sense + // if p == null, issue a GL error to notify user about it. + GL.recordError(0x501 /* GL_INVALID_VALUE */); + return; + } + + if (program >= GL.counter) { + GL.recordError(0x501 /* GL_INVALID_VALUE */); + return; + } + + var ptable = GL.programInfos[program]; + if (!ptable) { + GL.recordError(0x502 /* GL_INVALID_OPERATION */); + return; + } + + if (pname == 0x8B84) { // GL_INFO_LOG_LENGTH + var log = GLctx.getProgramInfoLog(GL.programs[program]); + if (log === null) log = '(unknown error)'; + HEAP32[((p)>>2)]=log.length + 1; + } else if (pname == 0x8B87 /* GL_ACTIVE_UNIFORM_MAX_LENGTH */) { + HEAP32[((p)>>2)]=ptable.maxUniformLength; + } else if (pname == 0x8B8A /* GL_ACTIVE_ATTRIBUTE_MAX_LENGTH */) { + if (ptable.maxAttributeLength == -1) { + program = GL.programs[program]; + var numAttribs = GLctx.getProgramParameter(program, 0x8B89/*GL_ACTIVE_ATTRIBUTES*/); + ptable.maxAttributeLength = 0; // Spec says if there are no active attribs, 0 must be returned. + for (var i = 0; i < numAttribs; ++i) { + var activeAttrib = GLctx.getActiveAttrib(program, i); + ptable.maxAttributeLength = Math.max(ptable.maxAttributeLength, activeAttrib.name.length+1); + } + } + HEAP32[((p)>>2)]=ptable.maxAttributeLength; + } else if (pname == 0x8A35 /* GL_ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH */) { + if (ptable.maxUniformBlockNameLength == -1) { + program = GL.programs[program]; + var numBlocks = GLctx.getProgramParameter(program, 0x8A36/*GL_ACTIVE_UNIFORM_BLOCKS*/); + ptable.maxUniformBlockNameLength = 0; + for (var i = 0; i < numBlocks; ++i) { + var activeBlockName = GLctx.getActiveUniformBlockName(program, i); + ptable.maxUniformBlockNameLength = Math.max(ptable.maxUniformBlockNameLength, activeBlockName.length+1); + } + } + HEAP32[((p)>>2)]=ptable.maxUniformBlockNameLength; + } else { + HEAP32[((p)>>2)]=GLctx.getProgramParameter(GL.programs[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.timerQueriesEXT[id]; + var 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.timerQueriesEXT[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.timerQueriesEXT[id]; + var param = GLctx.disjointTimerQueryExt['getQueryObjectEXT'](query, pname); + var ret; + if (typeof param == 'boolean') { + ret = param ? 1 : 0; + } else { + ret = param; + } + writeI53ToI64(params, ret); + } + + function _emscripten_glGetQueryObjectuiv(id, pname, params) { + if (!params) { + // GLES2 specification does not specify how to behave if params is a null pointer. Since calling this function does not make sense + // if p == null, issue a GL error to notify user about it. + GL.recordError(0x501 /* GL_INVALID_VALUE */); + return; + } + var query = GL.queries[id]; + var param = GLctx['getQueryParameter'](query, pname); + var ret; + if (typeof param == 'boolean') { + ret = param ? 1 : 0; + } else { + ret = param; + } + HEAP32[((params)>>2)]=ret; + } + + function _emscripten_glGetQueryObjectuivEXT(id, pname, params) { + if (!params) { + // GLES2 specification does not specify how to behave if params is a null pointer. Since calling this function does not make sense + // if p == null, issue a GL error to notify user about it. + GL.recordError(0x501 /* GL_INVALID_VALUE */); + return; + } + var query = GL.timerQueriesEXT[id]; + var param = GLctx.disjointTimerQueryExt['getQueryObjectEXT'](query, pname); + var ret; + if (typeof param == 'boolean') { + ret = param ? 1 : 0; + } else { + ret = param; + } + HEAP32[((params)>>2)]=ret; + } + + function _emscripten_glGetQueryiv(target, pname, params) { + if (!params) { + // GLES2 specification does not specify how to behave if params is a null pointer. Since calling this function does not make sense + // if p == null, issue a GL error to notify user about it. + GL.recordError(0x501 /* GL_INVALID_VALUE */); + return; + } + HEAP32[((params)>>2)]=GLctx['getQuery'](target, pname); + } + + function _emscripten_glGetQueryivEXT(target, pname, params) { + if (!params) { + // GLES2 specification does not specify how to behave if params is a null pointer. Since calling this function does not make sense + // if p == null, issue a GL error to notify user about it. + GL.recordError(0x501 /* GL_INVALID_VALUE */); + return; + } + HEAP32[((params)>>2)]=GLctx.disjointTimerQueryExt['getQueryEXT'](target, pname); + } + + function _emscripten_glGetRenderbufferParameteriv(target, pname, params) { + if (!params) { + // GLES2 specification does not specify how to behave if params is a null pointer. Since calling this function does not make sense + // if params == null, issue a GL error to notify user about it. + GL.recordError(0x501 /* GL_INVALID_VALUE */); + return; + } + HEAP32[((params)>>2)]=GLctx.getRenderbufferParameter(target, pname); + } + + function _emscripten_glGetSamplerParameterfv(sampler, pname, params) { + if (!params) { + // GLES3 specification does not specify how to behave if params is a null pointer. Since calling this function does not make sense + // if p == null, issue a GL error to notify user about it. + GL.recordError(0x501 /* GL_INVALID_VALUE */); + return; + } + sampler = GL.samplers[sampler]; + HEAPF32[((params)>>2)]=GLctx['getSamplerParameter'](sampler, pname); + } + + function _emscripten_glGetSamplerParameteriv(sampler, pname, params) { + if (!params) { + // GLES3 specification does not specify how to behave if params is a null pointer. Since calling this function does not make sense + // if p == null, issue a GL error to notify user about it. + GL.recordError(0x501 /* GL_INVALID_VALUE */); + return; + } + sampler = GL.samplers[sampler]; + HEAP32[((params)>>2)]=GLctx['getSamplerParameter'](sampler, pname); + } + + function _emscripten_glGetShaderInfoLog(shader, maxLength, length, infoLog) { + var log = GLctx.getShaderInfoLog(GL.shaders[shader]); + if (log === null) log = '(unknown error)'; + var numBytesWrittenExclNull = (maxLength > 0 && infoLog) ? stringToUTF8(log, infoLog, maxLength) : 0; + if (length) HEAP32[((length)>>2)]=numBytesWrittenExclNull; + } + + function _emscripten_glGetShaderPrecisionFormat(shaderType, precisionType, range, precision) { + var result = GLctx.getShaderPrecisionFormat(shaderType, precisionType); + HEAP32[((range)>>2)]=result.rangeMin; + HEAP32[(((range)+(4))>>2)]=result.rangeMax; + HEAP32[((precision)>>2)]=result.precision; + } + + function _emscripten_glGetShaderSource(shader, bufSize, length, source) { + var result = GLctx.getShaderSource(GL.shaders[shader]); + if (!result) return; // If an error occurs, nothing will be written to length or source. + var numBytesWrittenExclNull = (bufSize > 0 && source) ? stringToUTF8(result, source, bufSize) : 0; + if (length) HEAP32[((length)>>2)]=numBytesWrittenExclNull; + } + + function _emscripten_glGetShaderiv(shader, pname, p) { + if (!p) { + // GLES2 specification does not specify how to behave if p is a null pointer. Since calling this function does not make sense + // if p == null, issue a GL error to notify user about it. + GL.recordError(0x501 /* GL_INVALID_VALUE */); + return; + } + if (pname == 0x8B84) { // GL_INFO_LOG_LENGTH + var log = GLctx.getShaderInfoLog(GL.shaders[shader]); + if (log === null) log = '(unknown error)'; + // The GLES2 specification says that if the shader has an empty info log, + // a value of 0 is returned. Otherwise the log has a null char appended. + // (An empty string is falsey, so we can just check that instead of + // looking at log.length.) + var logLength = log ? log.length + 1 : 0; + HEAP32[((p)>>2)]=logLength; + } else if (pname == 0x8B88) { // GL_SHADER_SOURCE_LENGTH + var source = GLctx.getShaderSource(GL.shaders[shader]); + // source may be a null, or the empty string, both of which are falsey + // values that we report a 0 length for. + var sourceLength = source ? source.length + 1 : 0; + HEAP32[((p)>>2)]=sourceLength; + } else { + HEAP32[((p)>>2)]=GLctx.getShaderParameter(GL.shaders[shader], pname); + } + } + + + function stringToNewUTF8(jsString) { + var length = lengthBytesUTF8(jsString)+1; + var cString = _malloc(length); + stringToUTF8(jsString, cString, length); + return cString; + }function _emscripten_glGetString(name_) { + if (GL.stringCache[name_]) return GL.stringCache[name_]; + var 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 = stringToNewUTF8(s); + break; + + case 0x1F02 /* GL_VERSION */: + var glVersion = GLctx.getParameter(0x1F02 /*GL_VERSION*/); + // return GLES version string corresponding to the version of the WebGL context + if (GL.currentContext.version >= 2) glVersion = 'OpenGL ES 3.0 (' + glVersion + ')'; + else + { + glVersion = 'OpenGL ES 2.0 (' + glVersion + ')'; + } + ret = stringToNewUTF8(glVersion); + break; + case 0x8B8C /* GL_SHADING_LANGUAGE_VERSION */: + var glslVersion = GLctx.getParameter(0x8B8C /*GL_SHADING_LANGUAGE_VERSION*/); + // extract the version number 'N.M' from the string 'WebGL GLSL ES N.M ...' + var ver_re = /^WebGL GLSL ES ([0-9]\.[0-9][0-9]?)(?:$| .*)/; + var ver_num = glslVersion.match(ver_re); + if (ver_num !== null) { + if (ver_num[1].length == 3) ver_num[1] = ver_num[1] + '0'; // ensure minor version has 2 digits + glslVersion = 'OpenGL ES GLSL ES ' + ver_num[1] + ' (' + glslVersion + ')'; + } + ret = stringToNewUTF8(glslVersion); + break; + default: + GL.recordError(0x500/*GL_INVALID_ENUM*/); + return 0; + } + GL.stringCache[name_] = ret; + return ret; + } + + function _emscripten_glGetStringi(name, index) { + if (GL.currentContext.version < 2) { + GL.recordError(0x502 /* GL_INVALID_OPERATION */); // Calling GLES3/WebGL2 function with a GLES2/WebGL1 context + return 0; + } + var stringiCache = GL.stringiCache[name]; + if (stringiCache) { + if (index < 0 || index >= stringiCache.length) { + GL.recordError(0x501/*GL_INVALID_VALUE*/); + return 0; + } + return stringiCache[index]; + } + switch(name) { + case 0x1F03 /* GL_EXTENSIONS */: + var exts = GLctx.getSupportedExtensions() || []; // .getSupportedExtensions() can return null if context is lost, so coerce to empty array. + exts = exts.concat(exts.map(function(e) { return "GL_" + e; })); + exts = exts.map(function(e) { return stringToNewUTF8(e); }); + + stringiCache = GL.stringiCache[name] = exts; + if (index < 0 || index >= stringiCache.length) { + GL.recordError(0x501/*GL_INVALID_VALUE*/); + return 0; + } + return stringiCache[index]; + default: + GL.recordError(0x500/*GL_INVALID_ENUM*/); + return 0; + } + } + + function _emscripten_glGetSynciv(sync, pname, bufSize, length, values) { + if (bufSize < 0) { + // GLES3 specification does not specify how to behave if bufSize < 0, however in the spec wording for glGetInternalformativ, it does say that GL_INVALID_VALUE should be raised, + // so raise GL_INVALID_VALUE here as well. + GL.recordError(0x501 /* GL_INVALID_VALUE */); + return; + } + if (!values) { + // GLES3 specification does not specify how to behave if values is a null pointer. Since calling this function does not make sense + // if values == null, issue a GL error to notify user about it. + GL.recordError(0x501 /* GL_INVALID_VALUE */); + return; + } + var ret = GLctx.getSyncParameter(GL.syncs[sync], pname); + HEAP32[((length)>>2)]=ret; + if (ret !== null && length) HEAP32[((length)>>2)]=1; // Report a single value outputted. + } + + function _emscripten_glGetTexParameterfv(target, pname, params) { + if (!params) { + // GLES2 specification does not specify how to behave if params is a null pointer. Since calling this function does not make sense + // if p == null, issue a GL error to notify user about it. + GL.recordError(0x501 /* GL_INVALID_VALUE */); + return; + } + HEAPF32[((params)>>2)]=GLctx.getTexParameter(target, pname); + } + + function _emscripten_glGetTexParameteriv(target, pname, params) { + if (!params) { + // GLES2 specification does not specify how to behave if params is a null pointer. Since calling this function does not make sense + // if p == null, issue a GL error to notify user about it. + GL.recordError(0x501 /* GL_INVALID_VALUE */); + return; + } + HEAP32[((params)>>2)]=GLctx.getTexParameter(target, pname); + } + + function _emscripten_glGetTransformFeedbackVarying(program, index, bufSize, length, size, type, name) { + program = GL.programs[program]; + var info = GLctx['getTransformFeedbackVarying'](program, index); + if (!info) return; // If an error occurred, the return parameters length, size, type and name will be unmodified. + + if (name && bufSize > 0) { + var numBytesWrittenExclNull = stringToUTF8(info.name, name, bufSize); + if (length) HEAP32[((length)>>2)]=numBytesWrittenExclNull; + } else { + if (length) HEAP32[((length)>>2)]=0; + } + + if (size) HEAP32[((size)>>2)]=info.size; + if (type) HEAP32[((type)>>2)]=info.type; + } + + function _emscripten_glGetUniformBlockIndex(program, uniformBlockName) { + return GLctx['getUniformBlockIndex'](GL.programs[program], UTF8ToString(uniformBlockName)); + } + + function _emscripten_glGetUniformIndices(program, uniformCount, uniformNames, uniformIndices) { + if (!uniformIndices) { + // GLES2 specification does not specify how to behave if uniformIndices is a null pointer. Since calling this function does not make sense + // if uniformIndices == null, issue a GL error to notify user about it. + GL.recordError(0x501 /* GL_INVALID_VALUE */); + return; + } + if (uniformCount > 0 && (uniformNames == 0 || uniformIndices == 0)) { + GL.recordError(0x501 /* GL_INVALID_VALUE */); + return; + } + program = GL.programs[program]; + var names = []; + for (var i = 0; i < uniformCount; i++) + names.push(UTF8ToString(HEAP32[(((uniformNames)+(i*4))>>2)])); + + var result = GLctx['getUniformIndices'](program, names); + if (!result) return; // GL spec: If an error is generated, nothing is written out to uniformIndices. + + var len = result.length; + for (var i = 0; i < len; i++) { + HEAP32[(((uniformIndices)+(i*4))>>2)]=result[i]; + } + } + + + /** @suppress {checkTypes} */ + function jstoi_q(str) { + return parseInt(str); + }function _emscripten_glGetUniformLocation(program, name) { + name = UTF8ToString(name); + + var arrayIndex = 0; + // If user passed an array accessor "[index]", parse the array index off the accessor. + if (name[name.length - 1] == ']') { + var leftBrace = name.lastIndexOf('['); + arrayIndex = name[leftBrace+1] != ']' ? jstoi_q(name.slice(leftBrace + 1)) : 0; // "index]", parseInt will ignore the ']' at the end; but treat "foo[]" as "foo[0]" + name = name.slice(0, leftBrace); + } + + var uniformInfo = GL.programInfos[program] && GL.programInfos[program].uniforms[name]; // returns pair [ dimension_of_uniform_array, uniform_location ] + if (uniformInfo && arrayIndex >= 0 && arrayIndex < uniformInfo[0]) { // Check if user asked for an out-of-bounds element, i.e. for 'vec4 colors[3];' user could ask for 'colors[10]' which should return -1. + return uniformInfo[1] + arrayIndex; + } else { + return -1; + } + } + + + /** @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; + } + var data = GLctx.getUniform(GL.programs[program], GL.uniforms[location]); + if (typeof data == 'number' || typeof data == 'boolean') { + switch (type) { + case 0: HEAP32[((params)>>2)]=data; break; + case 2: HEAPF32[((params)>>2)]=data; break; + } + } else { + for (var i = 0; i < data.length; i++) { + switch (type) { + case 0: HEAP32[(((params)+(i*4))>>2)]=data[i]; break; + case 2: HEAPF32[(((params)+(i*4))>>2)]=data[i]; break; + } + } + } + }function _emscripten_glGetUniformfv(program, location, params) { + emscriptenWebGLGetUniform(program, location, params, 2); + } + + function _emscripten_glGetUniformiv(program, location, params) { + emscriptenWebGLGetUniform(program, location, params, 0); + } + + function _emscripten_glGetUniformuiv(program, location, params) { + emscriptenWebGLGetUniform(program, location, params, 0); + } + + + /** @suppress{checkTypes} */ + function emscriptenWebGLGetVertexAttrib(index, pname, params, type) { + if (!params) { + // GLES2 specification does not specify how to behave if params is a null pointer. Since calling this function does not make sense + // if params == null, issue a GL error to notify user about it. + GL.recordError(0x501 /* GL_INVALID_VALUE */); + return; + } + var data = GLctx.getVertexAttrib(index, pname); + if (pname == 0x889F/*VERTEX_ATTRIB_ARRAY_BUFFER_BINDING*/) { + HEAP32[((params)>>2)]=data && data["name"]; + } else if (typeof data == 'number' || typeof data == 'boolean') { + switch (type) { + case 0: HEAP32[((params)>>2)]=data; break; + case 2: HEAPF32[((params)>>2)]=data; break; + case 5: HEAP32[((params)>>2)]=Math.fround(data); break; + } + } else { + for (var i = 0; i < data.length; i++) { + switch (type) { + case 0: HEAP32[(((params)+(i*4))>>2)]=data[i]; break; + case 2: HEAPF32[(((params)+(i*4))>>2)]=data[i]; break; + case 5: HEAP32[(((params)+(i*4))>>2)]=Math.fround(data[i]); break; + } + } + } + }function _emscripten_glGetVertexAttribIiv(index, pname, params) { + // N.B. This function may only be called if the vertex attribute was specified using the function glVertexAttribI4iv(), + // otherwise the results are undefined. (GLES3 spec 6.1.12) + emscriptenWebGLGetVertexAttrib(index, pname, params, 0); + } + + function _emscripten_glGetVertexAttribIuiv(index, pname, params) { + // N.B. This function may only be called if the vertex attribute was specified using the function glVertexAttribI4iv(), + // otherwise the results are undefined. (GLES3 spec 6.1.12) + emscriptenWebGLGetVertexAttrib(index, pname, params, 0); + } + + function _emscripten_glGetVertexAttribPointerv(index, pname, pointer) { + if (!pointer) { + // GLES2 specification does not specify how to behave if pointer is a null pointer. Since calling this function does not make sense + // if pointer == null, issue a GL error to notify user about it. + GL.recordError(0x501 /* GL_INVALID_VALUE */); + return; + } + HEAP32[((pointer)>>2)]=GLctx.getVertexAttribOffset(index, pname); + } + + function _emscripten_glGetVertexAttribfv(index, pname, params) { + // N.B. This function may only be called if the vertex attribute was specified using the function glVertexAttrib*f(), + // otherwise the results are undefined. (GLES3 spec 6.1.12) + emscriptenWebGLGetVertexAttrib(index, pname, params, 2); + } + + function _emscripten_glGetVertexAttribiv(index, pname, params) { + // N.B. This function may only be called if the vertex attribute was specified using the function glVertexAttrib*f(), + // otherwise the results are undefined. (GLES3 spec 6.1.12) + emscriptenWebGLGetVertexAttrib(index, pname, params, 5); + } + + function _emscripten_glHint(x0, x1) { GLctx['hint'](x0, x1) } + + function _emscripten_glInvalidateFramebuffer(target, numAttachments, attachments) { + var list = tempFixedLengthArray[numAttachments]; + for (var i = 0; i < numAttachments; i++) { + list[i] = HEAP32[(((attachments)+(i*4))>>2)]; + } + + GLctx['invalidateFramebuffer'](target, list); + } + + function _emscripten_glInvalidateSubFramebuffer(target, numAttachments, attachments, x, y, width, height) { + var list = tempFixedLengthArray[numAttachments]; + for (var i = 0; i < numAttachments; i++) { + list[i] = HEAP32[(((attachments)+(i*4))>>2)]; + } + + GLctx['invalidateSubFramebuffer'](target, list, x, y, width, height); + } + + function _emscripten_glIsBuffer(buffer) { + var b = GL.buffers[buffer]; + if (!b) return 0; + return GLctx.isBuffer(b); + } + + function _emscripten_glIsEnabled(x0) { return GLctx['isEnabled'](x0) } + + function _emscripten_glIsFramebuffer(framebuffer) { + var fb = GL.framebuffers[framebuffer]; + if (!fb) return 0; + return GLctx.isFramebuffer(fb); + } + + function _emscripten_glIsProgram(program) { + program = GL.programs[program]; + if (!program) return 0; + return GLctx.isProgram(program); + } + + function _emscripten_glIsQuery(id) { + var query = GL.queries[id]; + if (!query) return 0; + return GLctx['isQuery'](query); + } + + function _emscripten_glIsQueryEXT(id) { + var query = GL.timerQueriesEXT[id]; + if (!query) return 0; + return GLctx.disjointTimerQueryExt['isQueryEXT'](query); + } + + function _emscripten_glIsRenderbuffer(renderbuffer) { + var rb = GL.renderbuffers[renderbuffer]; + if (!rb) return 0; + return GLctx.isRenderbuffer(rb); + } + + function _emscripten_glIsSampler(id) { + var sampler = GL.samplers[id]; + if (!sampler) return 0; + return GLctx['isSampler'](sampler); + } + + function _emscripten_glIsShader(shader) { + var s = GL.shaders[shader]; + if (!s) return 0; + return GLctx.isShader(s); + } + + function _emscripten_glIsSync(sync) { + return GLctx.isSync(GL.syncs[sync]); + } + + function _emscripten_glIsTexture(id) { + var texture = GL.textures[id]; + if (!texture) return 0; + return GLctx.isTexture(texture); + } + + function _emscripten_glIsTransformFeedback(id) { + return GLctx['isTransformFeedback'](GL.transformFeedbacks[id]); + } + + function _emscripten_glIsVertexArray(array) { + + var vao = GL.vaos[array]; + if (!vao) return 0; + return GLctx['isVertexArray'](vao); + } + + function _emscripten_glIsVertexArrayOES(array) { + + var vao = GL.vaos[array]; + if (!vao) return 0; + return GLctx['isVertexArray'](vao); + } + + function _emscripten_glLineWidth(x0) { GLctx['lineWidth'](x0) } + + function _emscripten_glLinkProgram(program) { + GLctx.linkProgram(GL.programs[program]); + GL.populateUniformTable(program); + } + + function _emscripten_glPauseTransformFeedback() { GLctx['pauseTransformFeedback']() } + + function _emscripten_glPixelStorei(pname, param) { + if (pname == 0xCF5 /* GL_UNPACK_ALIGNMENT */) { + GL.unpackAlignment = param; + } + GLctx.pixelStorei(pname, param); + } + + function _emscripten_glPolygonOffset(x0, x1) { GLctx['polygonOffset'](x0, x1) } + + function _emscripten_glProgramBinary(program, binaryFormat, binary, length) { + GL.recordError(0x500/*GL_INVALID_ENUM*/); + } + + function _emscripten_glProgramParameteri(program, pname, value) { + GL.recordError(0x500/*GL_INVALID_ENUM*/); + } + + function _emscripten_glQueryCounterEXT(id, target) { + GLctx.disjointTimerQueryExt['queryCounterEXT'](GL.timerQueriesEXT[id], target); + } + + function _emscripten_glReadBuffer(x0) { GLctx['readBuffer'](x0) } + + + + function computeUnpackAlignedImageSize(width, height, sizePerPixel, alignment) { + function roundedToNextMultipleOf(x, y) { + return (x + y - 1) & -y; + } + var plainRowSize = width * sizePerPixel; + var alignedRowSize = roundedToNextMultipleOf(plainRowSize, alignment); + return height * alignedRowSize; + } + + function __colorChannelsInGlTextureFormat(format) { + // Micro-optimizations for size: map format to size by subtracting smallest enum value (0x1902) from all values first. + // Also omit the most common size value (1) from the list, which is assumed by formats not on the list. + var colorChannels = { + // 0x1902 /* GL_DEPTH_COMPONENT */ - 0x1902: 1, + // 0x1906 /* GL_ALPHA */ - 0x1902: 1, + 5: 3, + 6: 4, + // 0x1909 /* GL_LUMINANCE */ - 0x1902: 1, + 8: 2, + 29502: 3, + 29504: 4, + // 0x1903 /* GL_RED */ - 0x1902: 1, + 26917: 2, + 26918: 2, + // 0x8D94 /* GL_RED_INTEGER */ - 0x1902: 1, + 29846: 3, + 29847: 4 + }; + return colorChannels[format - 0x1902]||1; + } + + function heapObjectForWebGLType(type) { + // Micro-optimization for size: Subtract lowest GL enum number (0x1400/* GL_BYTE */) from type to compare + // smaller values for the heap, for shorter generated code size. + // Also the type HEAPU16 is not tested for explicitly, but any unrecognized type will return out HEAPU16. + // (since most types are HEAPU16) + type -= 0x1400; + if (type == 0) return HEAP8; + + if (type == 1) return HEAPU8; + + if (type == 2) return HEAP16; + + if (type == 4) return HEAP32; + + if (type == 6) return HEAPF32; + + if (type == 5 + || type == 28922 + || type == 28520 + || type == 30779 + || type == 30782 + ) + return HEAPU32; + + return HEAPU16; + } + + function heapAccessShiftForWebGLHeap(heap) { + return 31 - Math.clz32(heap.BYTES_PER_ELEMENT); + }function emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, internalFormat) { + var heap = heapObjectForWebGLType(type); + var shift = heapAccessShiftForWebGLHeap(heap); + var byteSize = 1<<shift; + var sizePerPixel = __colorChannelsInGlTextureFormat(format) * byteSize; + var bytes = computeUnpackAlignedImageSize(width, height, sizePerPixel, GL.unpackAlignment); + return heap.subarray(pixels >> shift, pixels + bytes >> shift); + }function _emscripten_glReadPixels(x, y, width, height, format, type, pixels) { + if (GL.currentContext.version >= 2) { // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible. + if (GLctx.currentPixelPackBufferBinding) { + GLctx.readPixels(x, y, width, height, format, type, pixels); + } else { + var heap = heapObjectForWebGLType(type); + GLctx.readPixels(x, y, width, height, format, type, heap, pixels >> heapAccessShiftForWebGLHeap(heap)); + } + return; + } + var pixelData = emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, format); + if (!pixelData) { + GL.recordError(0x500/*GL_INVALID_ENUM*/); + return; + } + GLctx.readPixels(x, y, width, height, format, type, pixelData); + } + + function _emscripten_glReleaseShaderCompiler() { + // NOP (as allowed by GLES 2.0 spec) + } + + function _emscripten_glRenderbufferStorage(x0, x1, x2, x3) { GLctx['renderbufferStorage'](x0, x1, x2, x3) } + + function _emscripten_glRenderbufferStorageMultisample(x0, x1, x2, x3, x4) { GLctx['renderbufferStorageMultisample'](x0, x1, x2, x3, x4) } + + function _emscripten_glResumeTransformFeedback() { GLctx['resumeTransformFeedback']() } + + function _emscripten_glSampleCoverage(value, invert) { + GLctx.sampleCoverage(value, !!invert); + } + + function _emscripten_glSamplerParameterf(sampler, pname, param) { + GLctx['samplerParameterf'](GL.samplers[sampler], pname, param); + } + + function _emscripten_glSamplerParameterfv(sampler, pname, params) { + var param = HEAPF32[((params)>>2)]; + GLctx['samplerParameterf'](GL.samplers[sampler], pname, param); + } + + function _emscripten_glSamplerParameteri(sampler, pname, param) { + GLctx['samplerParameteri'](GL.samplers[sampler], pname, param); + } + + function _emscripten_glSamplerParameteriv(sampler, pname, params) { + var param = HEAP32[((params)>>2)]; + GLctx['samplerParameteri'](GL.samplers[sampler], pname, param); + } + + function _emscripten_glScissor(x0, x1, x2, x3) { GLctx['scissor'](x0, x1, x2, x3) } + + function _emscripten_glShaderBinary() { + GL.recordError(0x500/*GL_INVALID_ENUM*/); + } + + function _emscripten_glShaderSource(shader, count, string, length) { + var source = GL.getSource(shader, count, string, length); + + + GLctx.shaderSource(GL.shaders[shader], source); + } + + function _emscripten_glStencilFunc(x0, x1, x2) { GLctx['stencilFunc'](x0, x1, x2) } + + function _emscripten_glStencilFuncSeparate(x0, x1, x2, x3) { GLctx['stencilFuncSeparate'](x0, x1, x2, x3) } + + function _emscripten_glStencilMask(x0) { GLctx['stencilMask'](x0) } + + function _emscripten_glStencilMaskSeparate(x0, x1) { GLctx['stencilMaskSeparate'](x0, x1) } + + function _emscripten_glStencilOp(x0, x1, x2) { GLctx['stencilOp'](x0, x1, x2) } + + function _emscripten_glStencilOpSeparate(x0, x1, x2, x3) { GLctx['stencilOpSeparate'](x0, x1, x2, x3) } + + function _emscripten_glTexImage2D(target, level, internalFormat, width, height, border, format, type, pixels) { + if (GL.currentContext.version >= 2) { + // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible. + if (GLctx.currentPixelUnpackBufferBinding) { + GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, pixels); + } else if (pixels) { + var heap = heapObjectForWebGLType(type); + GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, heap, pixels >> heapAccessShiftForWebGLHeap(heap)); + } else { + GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, null); + } + return; + } + GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, pixels ? emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, internalFormat) : null); + } + + function _emscripten_glTexImage3D(target, level, internalFormat, width, height, depth, border, format, type, pixels) { + if (GLctx.currentPixelUnpackBufferBinding) { + GLctx['texImage3D'](target, level, internalFormat, width, height, depth, border, format, type, pixels); + } else if (pixels) { + var heap = heapObjectForWebGLType(type); + GLctx['texImage3D'](target, level, internalFormat, width, height, depth, border, format, type, heap, pixels >> heapAccessShiftForWebGLHeap(heap)); + } else { + GLctx['texImage3D'](target, level, internalFormat, width, height, depth, border, format, type, null); + } + } + + function _emscripten_glTexParameterf(x0, x1, x2) { GLctx['texParameterf'](x0, x1, x2) } + + function _emscripten_glTexParameterfv(target, pname, params) { + var param = HEAPF32[((params)>>2)]; + GLctx.texParameterf(target, pname, param); + } + + function _emscripten_glTexParameteri(x0, x1, x2) { GLctx['texParameteri'](x0, x1, x2) } + + function _emscripten_glTexParameteriv(target, pname, params) { + var param = HEAP32[((params)>>2)]; + GLctx.texParameteri(target, pname, param); + } + + function _emscripten_glTexStorage2D(x0, x1, x2, x3, x4) { GLctx['texStorage2D'](x0, x1, x2, x3, x4) } + + function _emscripten_glTexStorage3D(x0, x1, x2, x3, x4, x5) { GLctx['texStorage3D'](x0, x1, x2, x3, x4, x5) } + + function _emscripten_glTexSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixels) { + if (GL.currentContext.version >= 2) { + // WebGL 2 provides new garbage-free entry points to call to WebGL. Use those always when possible. + if (GLctx.currentPixelUnpackBufferBinding) { + GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixels); + } else if (pixels) { + var heap = heapObjectForWebGLType(type); + GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, heap, pixels >> heapAccessShiftForWebGLHeap(heap)); + } else { + GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, null); + } + return; + } + var pixelData = null; + if (pixels) pixelData = emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, 0); + GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixelData); + } + + function _emscripten_glTexSubImage3D(target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, pixels) { + if (GLctx.currentPixelUnpackBufferBinding) { + GLctx['texSubImage3D'](target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, pixels); + } else if (pixels) { + var heap = heapObjectForWebGLType(type); + GLctx['texSubImage3D'](target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, heap, pixels >> heapAccessShiftForWebGLHeap(heap)); + } else { + GLctx['texSubImage3D'](target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, null); + } + } + + function _emscripten_glTransformFeedbackVaryings(program, count, varyings, bufferMode) { + program = GL.programs[program]; + var vars = []; + for (var i = 0; i < count; i++) + vars.push(UTF8ToString(HEAP32[(((varyings)+(i*4))>>2)])); + + GLctx['transformFeedbackVaryings'](program, vars, bufferMode); + } + + function _emscripten_glUniform1f(location, v0) { + GLctx.uniform1f(GL.uniforms[location], v0); + } + + function _emscripten_glUniform1fv(location, count, value) { + + GLctx.uniform1fv(GL.uniforms[location], HEAPF32, value>>2, count); + } + + function _emscripten_glUniform1i(location, v0) { + GLctx.uniform1i(GL.uniforms[location], v0); + } + + function _emscripten_glUniform1iv(location, count, value) { + + GLctx.uniform1iv(GL.uniforms[location], HEAP32, value>>2, count); + } + + function _emscripten_glUniform1ui(location, v0) { + GLctx.uniform1ui(GL.uniforms[location], v0); + } + + function _emscripten_glUniform1uiv(location, count, value) { + GLctx.uniform1uiv(GL.uniforms[location], HEAPU32, value>>2, count); + } + + function _emscripten_glUniform2f(location, v0, v1) { + GLctx.uniform2f(GL.uniforms[location], v0, v1); + } + + function _emscripten_glUniform2fv(location, count, value) { + + GLctx.uniform2fv(GL.uniforms[location], HEAPF32, value>>2, count*2); + } + + function _emscripten_glUniform2i(location, v0, v1) { + GLctx.uniform2i(GL.uniforms[location], v0, v1); + } + + function _emscripten_glUniform2iv(location, count, value) { + + GLctx.uniform2iv(GL.uniforms[location], HEAP32, value>>2, count*2); + } + + function _emscripten_glUniform2ui(location, v0, v1) { + GLctx.uniform2ui(GL.uniforms[location], v0, v1); + } + + function _emscripten_glUniform2uiv(location, count, value) { + GLctx.uniform2uiv(GL.uniforms[location], HEAPU32, value>>2, count*2); + } + + function _emscripten_glUniform3f(location, v0, v1, v2) { + GLctx.uniform3f(GL.uniforms[location], v0, v1, v2); + } + + function _emscripten_glUniform3fv(location, count, value) { + + GLctx.uniform3fv(GL.uniforms[location], HEAPF32, value>>2, count*3); + } + + function _emscripten_glUniform3i(location, v0, v1, v2) { + GLctx.uniform3i(GL.uniforms[location], v0, v1, v2); + } + + function _emscripten_glUniform3iv(location, count, value) { + + GLctx.uniform3iv(GL.uniforms[location], HEAP32, value>>2, count*3); + } + + function _emscripten_glUniform3ui(location, v0, v1, v2) { + GLctx.uniform3ui(GL.uniforms[location], v0, v1, v2); + } + + function _emscripten_glUniform3uiv(location, count, value) { + GLctx.uniform3uiv(GL.uniforms[location], HEAPU32, value>>2, count*3); + } + + function _emscripten_glUniform4f(location, v0, v1, v2, v3) { + GLctx.uniform4f(GL.uniforms[location], v0, v1, v2, v3); + } + + function _emscripten_glUniform4fv(location, count, value) { + + GLctx.uniform4fv(GL.uniforms[location], HEAPF32, value>>2, count*4); + } + + function _emscripten_glUniform4i(location, v0, v1, v2, v3) { + GLctx.uniform4i(GL.uniforms[location], v0, v1, v2, v3); + } + + function _emscripten_glUniform4iv(location, count, value) { + + GLctx.uniform4iv(GL.uniforms[location], HEAP32, value>>2, count*4); + } + + function _emscripten_glUniform4ui(location, v0, v1, v2, v3) { + GLctx.uniform4ui(GL.uniforms[location], v0, v1, v2, v3); + } + + function _emscripten_glUniform4uiv(location, count, value) { + GLctx.uniform4uiv(GL.uniforms[location], HEAPU32, value>>2, count*4); + } + + function _emscripten_glUniformBlockBinding(program, uniformBlockIndex, uniformBlockBinding) { + program = GL.programs[program]; + + GLctx['uniformBlockBinding'](program, uniformBlockIndex, uniformBlockBinding); + } + + function _emscripten_glUniformMatrix2fv(location, count, transpose, value) { + + GLctx.uniformMatrix2fv(GL.uniforms[location], !!transpose, HEAPF32, value>>2, count*4); + } + + function _emscripten_glUniformMatrix2x3fv(location, count, transpose, value) { + GLctx.uniformMatrix2x3fv(GL.uniforms[location], !!transpose, HEAPF32, value>>2, count*6); + } + + function _emscripten_glUniformMatrix2x4fv(location, count, transpose, value) { + GLctx.uniformMatrix2x4fv(GL.uniforms[location], !!transpose, HEAPF32, value>>2, count*8); + } + + function _emscripten_glUniformMatrix3fv(location, count, transpose, value) { + + GLctx.uniformMatrix3fv(GL.uniforms[location], !!transpose, HEAPF32, value>>2, count*9); + } + + function _emscripten_glUniformMatrix3x2fv(location, count, transpose, value) { + GLctx.uniformMatrix3x2fv(GL.uniforms[location], !!transpose, HEAPF32, value>>2, count*6); + } + + function _emscripten_glUniformMatrix3x4fv(location, count, transpose, value) { + GLctx.uniformMatrix3x4fv(GL.uniforms[location], !!transpose, HEAPF32, value>>2, count*12); + } + + function _emscripten_glUniformMatrix4fv(location, count, transpose, value) { + + GLctx.uniformMatrix4fv(GL.uniforms[location], !!transpose, HEAPF32, value>>2, count*16); + } + + function _emscripten_glUniformMatrix4x2fv(location, count, transpose, value) { + GLctx.uniformMatrix4x2fv(GL.uniforms[location], !!transpose, HEAPF32, value>>2, count*8); + } + + function _emscripten_glUniformMatrix4x3fv(location, count, transpose, value) { + GLctx.uniformMatrix4x3fv(GL.uniforms[location], !!transpose, HEAPF32, value>>2, count*12); + } + + function _emscripten_glUseProgram(program) { + GLctx.useProgram(GL.programs[program]); + } + + function _emscripten_glValidateProgram(program) { + GLctx.validateProgram(GL.programs[program]); + } + + function _emscripten_glVertexAttrib1f(x0, x1) { GLctx['vertexAttrib1f'](x0, x1) } + + function _emscripten_glVertexAttrib1fv(index, v) { + + GLctx.vertexAttrib1f(index, HEAPF32[v>>2]); + } + + function _emscripten_glVertexAttrib2f(x0, x1, x2) { GLctx['vertexAttrib2f'](x0, x1, x2) } + + function _emscripten_glVertexAttrib2fv(index, v) { + + GLctx.vertexAttrib2f(index, HEAPF32[v>>2], HEAPF32[v+4>>2]); + } + + function _emscripten_glVertexAttrib3f(x0, x1, x2, x3) { GLctx['vertexAttrib3f'](x0, x1, x2, x3) } + + function _emscripten_glVertexAttrib3fv(index, v) { + + GLctx.vertexAttrib3f(index, HEAPF32[v>>2], HEAPF32[v+4>>2], HEAPF32[v+8>>2]); + } + + function _emscripten_glVertexAttrib4f(x0, x1, x2, x3, x4) { GLctx['vertexAttrib4f'](x0, x1, x2, x3, x4) } + + function _emscripten_glVertexAttrib4fv(index, v) { + + GLctx.vertexAttrib4f(index, HEAPF32[v>>2], HEAPF32[v+4>>2], HEAPF32[v+8>>2], HEAPF32[v+12>>2]); + } + + function _emscripten_glVertexAttribDivisor(index, divisor) { + GLctx['vertexAttribDivisor'](index, divisor); + } + + function _emscripten_glVertexAttribDivisorANGLE(index, divisor) { + GLctx['vertexAttribDivisor'](index, divisor); + } + + function _emscripten_glVertexAttribDivisorARB(index, divisor) { + GLctx['vertexAttribDivisor'](index, divisor); + } + + function _emscripten_glVertexAttribDivisorEXT(index, divisor) { + GLctx['vertexAttribDivisor'](index, divisor); + } + + function _emscripten_glVertexAttribDivisorNV(index, divisor) { + GLctx['vertexAttribDivisor'](index, divisor); + } + + function _emscripten_glVertexAttribI4i(x0, x1, x2, x3, x4) { GLctx['vertexAttribI4i'](x0, x1, x2, x3, x4) } + + function _emscripten_glVertexAttribI4iv(index, v) { + GLctx.vertexAttribI4i(index, HEAP32[v>>2], HEAP32[v+4>>2], HEAP32[v+8>>2], HEAP32[v+12>>2]); + } + + function _emscripten_glVertexAttribI4ui(x0, x1, x2, x3, x4) { GLctx['vertexAttribI4ui'](x0, x1, x2, x3, x4) } + + function _emscripten_glVertexAttribI4uiv(index, v) { + GLctx.vertexAttribI4ui(index, HEAPU32[v>>2], HEAPU32[v+4>>2], HEAPU32[v+8>>2], HEAPU32[v+12>>2]); + } + + function _emscripten_glVertexAttribIPointer(index, size, type, stride, ptr) { + GLctx['vertexAttribIPointer'](index, size, type, stride, ptr); + } + + 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_glWaitSync(sync, flags, timeoutLo, timeoutHi) { + // See WebGL2 vs GLES3 difference on GL_TIMEOUT_IGNORED above (https://www.khronos.org/registry/webgl/specs/latest/2.0/#5.15) + GLctx.waitSync(GL.syncs[sync], flags, convertI32PairToI53(timeoutLo, timeoutHi)); + } + + function _emscripten_memcpy_big(dest, src, num) { + HEAPU8.copyWithin(dest, src, src + num); + } + + + function _emscripten_get_heap_size() { + return HEAPU8.length; + } + + function abortOnCannotGrowMemory(requestedSize) { + abort('Cannot enlarge memory arrays to size ' + requestedSize + ' bytes (OOM). Either (1) compile with -s INITIAL_MEMORY=X with X higher than the current value ' + HEAP8.length + ', (2) compile with -s ALLOW_MEMORY_GROWTH=1 which allows increasing the size at runtime, or (3) if you want malloc to return NULL (0) instead of this abort, compile with -s ABORTING_MALLOC=0 '); + }function _emscripten_resize_heap(requestedSize) { + requestedSize = requestedSize >>> 0; + abortOnCannotGrowMemory(requestedSize); + } + + + function flush_NO_FILESYSTEM() { + // flush anything remaining in the buffers during shutdown + if (typeof _fflush !== 'undefined') _fflush(0); + var buffers = SYSCALLS.buffers; + if (buffers[1].length) SYSCALLS.printChar(1, 10); + if (buffers[2].length) SYSCALLS.printChar(2, 10); + } + + + var PATH={splitPath:function(filename) { + var splitPathRe = /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/; + return splitPathRe.exec(filename).slice(1); + },normalizeArray:function(parts, allowAboveRoot) { + // if the path tries to go above the root, `up` ends up > 0 + var up = 0; + for (var i = parts.length - 1; i >= 0; i--) { + var last = parts[i]; + if (last === '.') { + parts.splice(i, 1); + } else if (last === '..') { + parts.splice(i, 1); + up++; + } else if (up) { + parts.splice(i, 1); + up--; + } + } + // if the path is allowed to go above the root, restore leading ..s + if (allowAboveRoot) { + for (; up; up--) { + parts.unshift('..'); + } + } + return parts; + },normalize:function(path) { + var isAbsolute = path.charAt(0) === '/', + trailingSlash = path.substr(-1) === '/'; + // Normalize the path + path = PATH.normalizeArray(path.split('/').filter(function(p) { + return !!p; + }), !isAbsolute).join('/'); + if (!path && !isAbsolute) { + path = '.'; + } + if (path && trailingSlash) { + path += '/'; + } + return (isAbsolute ? '/' : '') + path; + },dirname:function(path) { + var result = PATH.splitPath(path), + root = result[0], + dir = result[1]; + if (!root && !dir) { + // No dirname whatsoever + return '.'; + } + if (dir) { + // It has a dirname, strip trailing slash + dir = dir.substr(0, dir.length - 1); + } + return root + dir; + },basename:function(path) { + // EMSCRIPTEN return '/'' for '/', not an empty string + if (path === '/') return '/'; + path = PATH.normalize(path); + path = path.replace(/\/$/, ""); + var lastSlash = path.lastIndexOf('/'); + if (lastSlash === -1) return path; + return path.substr(lastSlash+1); + },extname:function(path) { + return PATH.splitPath(path)[3]; + },join:function() { + var paths = Array.prototype.slice.call(arguments, 0); + return PATH.normalize(paths.join('/')); + },join2:function(l, r) { + return PATH.normalize(l + '/' + r); + }};var SYSCALLS={mappings:{},buffers:[null,[],[]],printChar:function(stream, curr) { + var buffer = SYSCALLS.buffers[stream]; + assert(buffer); + if (curr === 0 || curr === 10) { + (stream === 1 ? out : err)(UTF8ArrayToString(buffer, 0)); + buffer.length = 0; + } else { + buffer.push(curr); + } + },varargs:undefined,get:function() { + assert(SYSCALLS.varargs != undefined); + SYSCALLS.varargs += 4; + var ret = HEAP32[(((SYSCALLS.varargs)-(4))>>2)]; + return ret; + },getStr:function(ptr) { + var ret = UTF8ToString(ptr); + return ret; + },get64:function(low, high) { + if (low >= 0) assert(high === 0); + else assert(high === -1); + return low; + }};function _fd_write(fd, iov, iovcnt, pnum) { + // hack to support printf in SYSCALLS_REQUIRE_FILESYSTEM=0 + var num = 0; + for (var i = 0; i < iovcnt; i++) { + var ptr = HEAP32[(((iov)+(i*8))>>2)]; + var len = HEAP32[(((iov)+(i*8 + 4))>>2)]; + for (var j = 0; j < len; j++) { + SYSCALLS.printChar(fd, HEAPU8[ptr+j]); + } + num += len; + } + HEAP32[((pnum)>>2)]=num + return 0; + } + + function _setTempRet0($i) { + setTempRet0(($i) | 0); + } +var GLctx;; +for (var i = 0; i < 32; ++i) tempFixedLengthArray.push(new Array(i));; +var ASSERTIONS = true; + + + +/** @type {function(string, boolean=, number=)} */ +function intArrayFromString(stringy, dontAddNull, length) { + var len = length > 0 ? length : lengthBytesUTF8(stringy)+1; + var u8array = new Array(len); + var numBytesWritten = stringToUTF8Array(stringy, u8array, 0, u8array.length); + if (dontAddNull) u8array.length = numBytesWritten; + return u8array; +} + +function intArrayToString(array) { + var ret = []; + for (var i = 0; i < array.length; i++) { + var chr = array[i]; + if (chr > 0xFF) { + if (ASSERTIONS) { + assert(false, 'Character code ' + chr + ' (' + String.fromCharCode(chr) + ') at offset ' + i + ' not in 0x00-0xFF.'); + } + chr &= 0xFF; + } + ret.push(String.fromCharCode(chr)); + } + return ret.join(''); +} + + + +/* global initializers */ __ATINIT__.push({ func: function() { ___wasm_call_ctors() } }); + +var asmLibraryArg = { "__indirect_function_table": wasmTable, "emscripten_glActiveTexture": _emscripten_glActiveTexture, "emscripten_glAttachShader": _emscripten_glAttachShader, "emscripten_glBeginQuery": _emscripten_glBeginQuery, "emscripten_glBeginQueryEXT": _emscripten_glBeginQueryEXT, "emscripten_glBeginTransformFeedback": _emscripten_glBeginTransformFeedback, "emscripten_glBindAttribLocation": _emscripten_glBindAttribLocation, "emscripten_glBindBuffer": _emscripten_glBindBuffer, "emscripten_glBindBufferBase": _emscripten_glBindBufferBase, "emscripten_glBindBufferRange": _emscripten_glBindBufferRange, "emscripten_glBindFramebuffer": _emscripten_glBindFramebuffer, "emscripten_glBindRenderbuffer": _emscripten_glBindRenderbuffer, "emscripten_glBindSampler": _emscripten_glBindSampler, "emscripten_glBindTexture": _emscripten_glBindTexture, "emscripten_glBindTransformFeedback": _emscripten_glBindTransformFeedback, "emscripten_glBindVertexArray": _emscripten_glBindVertexArray, "emscripten_glBindVertexArrayOES": _emscripten_glBindVertexArrayOES, "emscripten_glBlendColor": _emscripten_glBlendColor, "emscripten_glBlendEquation": _emscripten_glBlendEquation, "emscripten_glBlendEquationSeparate": _emscripten_glBlendEquationSeparate, "emscripten_glBlendFunc": _emscripten_glBlendFunc, "emscripten_glBlendFuncSeparate": _emscripten_glBlendFuncSeparate, "emscripten_glBlitFramebuffer": _emscripten_glBlitFramebuffer, "emscripten_glBufferData": _emscripten_glBufferData, "emscripten_glBufferSubData": _emscripten_glBufferSubData, "emscripten_glCheckFramebufferStatus": _emscripten_glCheckFramebufferStatus, "emscripten_glClear": _emscripten_glClear, "emscripten_glClearBufferfi": _emscripten_glClearBufferfi, "emscripten_glClearBufferfv": _emscripten_glClearBufferfv, "emscripten_glClearBufferiv": _emscripten_glClearBufferiv, "emscripten_glClearBufferuiv": _emscripten_glClearBufferuiv, "emscripten_glClearColor": _emscripten_glClearColor, "emscripten_glClearDepthf": _emscripten_glClearDepthf, "emscripten_glClearStencil": _emscripten_glClearStencil, "emscripten_glClientWaitSync": _emscripten_glClientWaitSync, "emscripten_glColorMask": _emscripten_glColorMask, "emscripten_glCompileShader": _emscripten_glCompileShader, "emscripten_glCompressedTexImage2D": _emscripten_glCompressedTexImage2D, "emscripten_glCompressedTexImage3D": _emscripten_glCompressedTexImage3D, "emscripten_glCompressedTexSubImage2D": _emscripten_glCompressedTexSubImage2D, "emscripten_glCompressedTexSubImage3D": _emscripten_glCompressedTexSubImage3D, "emscripten_glCopyBufferSubData": _emscripten_glCopyBufferSubData, "emscripten_glCopyTexImage2D": _emscripten_glCopyTexImage2D, "emscripten_glCopyTexSubImage2D": _emscripten_glCopyTexSubImage2D, "emscripten_glCopyTexSubImage3D": _emscripten_glCopyTexSubImage3D, "emscripten_glCreateProgram": _emscripten_glCreateProgram, "emscripten_glCreateShader": _emscripten_glCreateShader, "emscripten_glCullFace": _emscripten_glCullFace, "emscripten_glDeleteBuffers": _emscripten_glDeleteBuffers, "emscripten_glDeleteFramebuffers": _emscripten_glDeleteFramebuffers, "emscripten_glDeleteProgram": _emscripten_glDeleteProgram, "emscripten_glDeleteQueries": _emscripten_glDeleteQueries, "emscripten_glDeleteQueriesEXT": _emscripten_glDeleteQueriesEXT, "emscripten_glDeleteRenderbuffers": _emscripten_glDeleteRenderbuffers, "emscripten_glDeleteSamplers": _emscripten_glDeleteSamplers, "emscripten_glDeleteShader": _emscripten_glDeleteShader, "emscripten_glDeleteSync": _emscripten_glDeleteSync, "emscripten_glDeleteTextures": _emscripten_glDeleteTextures, "emscripten_glDeleteTransformFeedbacks": _emscripten_glDeleteTransformFeedbacks, "emscripten_glDeleteVertexArrays": _emscripten_glDeleteVertexArrays, "emscripten_glDeleteVertexArraysOES": _emscripten_glDeleteVertexArraysOES, "emscripten_glDepthFunc": _emscripten_glDepthFunc, "emscripten_glDepthMask": _emscripten_glDepthMask, "emscripten_glDepthRangef": _emscripten_glDepthRangef, "emscripten_glDetachShader": _emscripten_glDetachShader, "emscripten_glDisable": _emscripten_glDisable, "emscripten_glDisableVertexAttribArray": _emscripten_glDisableVertexAttribArray, "emscripten_glDrawArrays": _emscripten_glDrawArrays, "emscripten_glDrawArraysInstanced": _emscripten_glDrawArraysInstanced, "emscripten_glDrawArraysInstancedANGLE": _emscripten_glDrawArraysInstancedANGLE, "emscripten_glDrawArraysInstancedARB": _emscripten_glDrawArraysInstancedARB, "emscripten_glDrawArraysInstancedEXT": _emscripten_glDrawArraysInstancedEXT, "emscripten_glDrawArraysInstancedNV": _emscripten_glDrawArraysInstancedNV, "emscripten_glDrawBuffers": _emscripten_glDrawBuffers, "emscripten_glDrawBuffersEXT": _emscripten_glDrawBuffersEXT, "emscripten_glDrawBuffersWEBGL": _emscripten_glDrawBuffersWEBGL, "emscripten_glDrawElements": _emscripten_glDrawElements, "emscripten_glDrawElementsInstanced": _emscripten_glDrawElementsInstanced, "emscripten_glDrawElementsInstancedANGLE": _emscripten_glDrawElementsInstancedANGLE, "emscripten_glDrawElementsInstancedARB": _emscripten_glDrawElementsInstancedARB, "emscripten_glDrawElementsInstancedEXT": _emscripten_glDrawElementsInstancedEXT, "emscripten_glDrawElementsInstancedNV": _emscripten_glDrawElementsInstancedNV, "emscripten_glDrawRangeElements": _emscripten_glDrawRangeElements, "emscripten_glEnable": _emscripten_glEnable, "emscripten_glEnableVertexAttribArray": _emscripten_glEnableVertexAttribArray, "emscripten_glEndQuery": _emscripten_glEndQuery, "emscripten_glEndQueryEXT": _emscripten_glEndQueryEXT, "emscripten_glEndTransformFeedback": _emscripten_glEndTransformFeedback, "emscripten_glFenceSync": _emscripten_glFenceSync, "emscripten_glFinish": _emscripten_glFinish, "emscripten_glFlush": _emscripten_glFlush, "emscripten_glFramebufferRenderbuffer": _emscripten_glFramebufferRenderbuffer, "emscripten_glFramebufferTexture2D": _emscripten_glFramebufferTexture2D, "emscripten_glFramebufferTextureLayer": _emscripten_glFramebufferTextureLayer, "emscripten_glFrontFace": _emscripten_glFrontFace, "emscripten_glGenBuffers": _emscripten_glGenBuffers, "emscripten_glGenFramebuffers": _emscripten_glGenFramebuffers, "emscripten_glGenQueries": _emscripten_glGenQueries, "emscripten_glGenQueriesEXT": _emscripten_glGenQueriesEXT, "emscripten_glGenRenderbuffers": _emscripten_glGenRenderbuffers, "emscripten_glGenSamplers": _emscripten_glGenSamplers, "emscripten_glGenTextures": _emscripten_glGenTextures, "emscripten_glGenTransformFeedbacks": _emscripten_glGenTransformFeedbacks, "emscripten_glGenVertexArrays": _emscripten_glGenVertexArrays, "emscripten_glGenVertexArraysOES": _emscripten_glGenVertexArraysOES, "emscripten_glGenerateMipmap": _emscripten_glGenerateMipmap, "emscripten_glGetActiveAttrib": _emscripten_glGetActiveAttrib, "emscripten_glGetActiveUniform": _emscripten_glGetActiveUniform, "emscripten_glGetActiveUniformBlockName": _emscripten_glGetActiveUniformBlockName, "emscripten_glGetActiveUniformBlockiv": _emscripten_glGetActiveUniformBlockiv, "emscripten_glGetActiveUniformsiv": _emscripten_glGetActiveUniformsiv, "emscripten_glGetAttachedShaders": _emscripten_glGetAttachedShaders, "emscripten_glGetAttribLocation": _emscripten_glGetAttribLocation, "emscripten_glGetBooleanv": _emscripten_glGetBooleanv, "emscripten_glGetBufferParameteri64v": _emscripten_glGetBufferParameteri64v, "emscripten_glGetBufferParameteriv": _emscripten_glGetBufferParameteriv, "emscripten_glGetError": _emscripten_glGetError, "emscripten_glGetFloatv": _emscripten_glGetFloatv, "emscripten_glGetFragDataLocation": _emscripten_glGetFragDataLocation, "emscripten_glGetFramebufferAttachmentParameteriv": _emscripten_glGetFramebufferAttachmentParameteriv, "emscripten_glGetInteger64i_v": _emscripten_glGetInteger64i_v, "emscripten_glGetInteger64v": _emscripten_glGetInteger64v, "emscripten_glGetIntegeri_v": _emscripten_glGetIntegeri_v, "emscripten_glGetIntegerv": _emscripten_glGetIntegerv, "emscripten_glGetInternalformativ": _emscripten_glGetInternalformativ, "emscripten_glGetProgramBinary": _emscripten_glGetProgramBinary, "emscripten_glGetProgramInfoLog": _emscripten_glGetProgramInfoLog, "emscripten_glGetProgramiv": _emscripten_glGetProgramiv, "emscripten_glGetQueryObjecti64vEXT": _emscripten_glGetQueryObjecti64vEXT, "emscripten_glGetQueryObjectivEXT": _emscripten_glGetQueryObjectivEXT, "emscripten_glGetQueryObjectui64vEXT": _emscripten_glGetQueryObjectui64vEXT, "emscripten_glGetQueryObjectuiv": _emscripten_glGetQueryObjectuiv, "emscripten_glGetQueryObjectuivEXT": _emscripten_glGetQueryObjectuivEXT, "emscripten_glGetQueryiv": _emscripten_glGetQueryiv, "emscripten_glGetQueryivEXT": _emscripten_glGetQueryivEXT, "emscripten_glGetRenderbufferParameteriv": _emscripten_glGetRenderbufferParameteriv, "emscripten_glGetSamplerParameterfv": _emscripten_glGetSamplerParameterfv, "emscripten_glGetSamplerParameteriv": _emscripten_glGetSamplerParameteriv, "emscripten_glGetShaderInfoLog": _emscripten_glGetShaderInfoLog, "emscripten_glGetShaderPrecisionFormat": _emscripten_glGetShaderPrecisionFormat, "emscripten_glGetShaderSource": _emscripten_glGetShaderSource, "emscripten_glGetShaderiv": _emscripten_glGetShaderiv, "emscripten_glGetString": _emscripten_glGetString, "emscripten_glGetStringi": _emscripten_glGetStringi, "emscripten_glGetSynciv": _emscripten_glGetSynciv, "emscripten_glGetTexParameterfv": _emscripten_glGetTexParameterfv, "emscripten_glGetTexParameteriv": _emscripten_glGetTexParameteriv, "emscripten_glGetTransformFeedbackVarying": _emscripten_glGetTransformFeedbackVarying, "emscripten_glGetUniformBlockIndex": _emscripten_glGetUniformBlockIndex, "emscripten_glGetUniformIndices": _emscripten_glGetUniformIndices, "emscripten_glGetUniformLocation": _emscripten_glGetUniformLocation, "emscripten_glGetUniformfv": _emscripten_glGetUniformfv, "emscripten_glGetUniformiv": _emscripten_glGetUniformiv, "emscripten_glGetUniformuiv": _emscripten_glGetUniformuiv, "emscripten_glGetVertexAttribIiv": _emscripten_glGetVertexAttribIiv, "emscripten_glGetVertexAttribIuiv": _emscripten_glGetVertexAttribIuiv, "emscripten_glGetVertexAttribPointerv": _emscripten_glGetVertexAttribPointerv, "emscripten_glGetVertexAttribfv": _emscripten_glGetVertexAttribfv, "emscripten_glGetVertexAttribiv": _emscripten_glGetVertexAttribiv, "emscripten_glHint": _emscripten_glHint, "emscripten_glInvalidateFramebuffer": _emscripten_glInvalidateFramebuffer, "emscripten_glInvalidateSubFramebuffer": _emscripten_glInvalidateSubFramebuffer, "emscripten_glIsBuffer": _emscripten_glIsBuffer, "emscripten_glIsEnabled": _emscripten_glIsEnabled, "emscripten_glIsFramebuffer": _emscripten_glIsFramebuffer, "emscripten_glIsProgram": _emscripten_glIsProgram, "emscripten_glIsQuery": _emscripten_glIsQuery, "emscripten_glIsQueryEXT": _emscripten_glIsQueryEXT, "emscripten_glIsRenderbuffer": _emscripten_glIsRenderbuffer, "emscripten_glIsSampler": _emscripten_glIsSampler, "emscripten_glIsShader": _emscripten_glIsShader, "emscripten_glIsSync": _emscripten_glIsSync, "emscripten_glIsTexture": _emscripten_glIsTexture, "emscripten_glIsTransformFeedback": _emscripten_glIsTransformFeedback, "emscripten_glIsVertexArray": _emscripten_glIsVertexArray, "emscripten_glIsVertexArrayOES": _emscripten_glIsVertexArrayOES, "emscripten_glLineWidth": _emscripten_glLineWidth, "emscripten_glLinkProgram": _emscripten_glLinkProgram, "emscripten_glPauseTransformFeedback": _emscripten_glPauseTransformFeedback, "emscripten_glPixelStorei": _emscripten_glPixelStorei, "emscripten_glPolygonOffset": _emscripten_glPolygonOffset, "emscripten_glProgramBinary": _emscripten_glProgramBinary, "emscripten_glProgramParameteri": _emscripten_glProgramParameteri, "emscripten_glQueryCounterEXT": _emscripten_glQueryCounterEXT, "emscripten_glReadBuffer": _emscripten_glReadBuffer, "emscripten_glReadPixels": _emscripten_glReadPixels, "emscripten_glReleaseShaderCompiler": _emscripten_glReleaseShaderCompiler, "emscripten_glRenderbufferStorage": _emscripten_glRenderbufferStorage, "emscripten_glRenderbufferStorageMultisample": _emscripten_glRenderbufferStorageMultisample, "emscripten_glResumeTransformFeedback": _emscripten_glResumeTransformFeedback, "emscripten_glSampleCoverage": _emscripten_glSampleCoverage, "emscripten_glSamplerParameterf": _emscripten_glSamplerParameterf, "emscripten_glSamplerParameterfv": _emscripten_glSamplerParameterfv, "emscripten_glSamplerParameteri": _emscripten_glSamplerParameteri, "emscripten_glSamplerParameteriv": _emscripten_glSamplerParameteriv, "emscripten_glScissor": _emscripten_glScissor, "emscripten_glShaderBinary": _emscripten_glShaderBinary, "emscripten_glShaderSource": _emscripten_glShaderSource, "emscripten_glStencilFunc": _emscripten_glStencilFunc, "emscripten_glStencilFuncSeparate": _emscripten_glStencilFuncSeparate, "emscripten_glStencilMask": _emscripten_glStencilMask, "emscripten_glStencilMaskSeparate": _emscripten_glStencilMaskSeparate, "emscripten_glStencilOp": _emscripten_glStencilOp, "emscripten_glStencilOpSeparate": _emscripten_glStencilOpSeparate, "emscripten_glTexImage2D": _emscripten_glTexImage2D, "emscripten_glTexImage3D": _emscripten_glTexImage3D, "emscripten_glTexParameterf": _emscripten_glTexParameterf, "emscripten_glTexParameterfv": _emscripten_glTexParameterfv, "emscripten_glTexParameteri": _emscripten_glTexParameteri, "emscripten_glTexParameteriv": _emscripten_glTexParameteriv, "emscripten_glTexStorage2D": _emscripten_glTexStorage2D, "emscripten_glTexStorage3D": _emscripten_glTexStorage3D, "emscripten_glTexSubImage2D": _emscripten_glTexSubImage2D, "emscripten_glTexSubImage3D": _emscripten_glTexSubImage3D, "emscripten_glTransformFeedbackVaryings": _emscripten_glTransformFeedbackVaryings, "emscripten_glUniform1f": _emscripten_glUniform1f, "emscripten_glUniform1fv": _emscripten_glUniform1fv, "emscripten_glUniform1i": _emscripten_glUniform1i, "emscripten_glUniform1iv": _emscripten_glUniform1iv, "emscripten_glUniform1ui": _emscripten_glUniform1ui, "emscripten_glUniform1uiv": _emscripten_glUniform1uiv, "emscripten_glUniform2f": _emscripten_glUniform2f, "emscripten_glUniform2fv": _emscripten_glUniform2fv, "emscripten_glUniform2i": _emscripten_glUniform2i, "emscripten_glUniform2iv": _emscripten_glUniform2iv, "emscripten_glUniform2ui": _emscripten_glUniform2ui, "emscripten_glUniform2uiv": _emscripten_glUniform2uiv, "emscripten_glUniform3f": _emscripten_glUniform3f, "emscripten_glUniform3fv": _emscripten_glUniform3fv, "emscripten_glUniform3i": _emscripten_glUniform3i, "emscripten_glUniform3iv": _emscripten_glUniform3iv, "emscripten_glUniform3ui": _emscripten_glUniform3ui, "emscripten_glUniform3uiv": _emscripten_glUniform3uiv, "emscripten_glUniform4f": _emscripten_glUniform4f, "emscripten_glUniform4fv": _emscripten_glUniform4fv, "emscripten_glUniform4i": _emscripten_glUniform4i, "emscripten_glUniform4iv": _emscripten_glUniform4iv, "emscripten_glUniform4ui": _emscripten_glUniform4ui, "emscripten_glUniform4uiv": _emscripten_glUniform4uiv, "emscripten_glUniformBlockBinding": _emscripten_glUniformBlockBinding, "emscripten_glUniformMatrix2fv": _emscripten_glUniformMatrix2fv, "emscripten_glUniformMatrix2x3fv": _emscripten_glUniformMatrix2x3fv, "emscripten_glUniformMatrix2x4fv": _emscripten_glUniformMatrix2x4fv, "emscripten_glUniformMatrix3fv": _emscripten_glUniformMatrix3fv, "emscripten_glUniformMatrix3x2fv": _emscripten_glUniformMatrix3x2fv, "emscripten_glUniformMatrix3x4fv": _emscripten_glUniformMatrix3x4fv, "emscripten_glUniformMatrix4fv": _emscripten_glUniformMatrix4fv, "emscripten_glUniformMatrix4x2fv": _emscripten_glUniformMatrix4x2fv, "emscripten_glUniformMatrix4x3fv": _emscripten_glUniformMatrix4x3fv, "emscripten_glUseProgram": _emscripten_glUseProgram, "emscripten_glValidateProgram": _emscripten_glValidateProgram, "emscripten_glVertexAttrib1f": _emscripten_glVertexAttrib1f, "emscripten_glVertexAttrib1fv": _emscripten_glVertexAttrib1fv, "emscripten_glVertexAttrib2f": _emscripten_glVertexAttrib2f, "emscripten_glVertexAttrib2fv": _emscripten_glVertexAttrib2fv, "emscripten_glVertexAttrib3f": _emscripten_glVertexAttrib3f, "emscripten_glVertexAttrib3fv": _emscripten_glVertexAttrib3fv, "emscripten_glVertexAttrib4f": _emscripten_glVertexAttrib4f, "emscripten_glVertexAttrib4fv": _emscripten_glVertexAttrib4fv, "emscripten_glVertexAttribDivisor": _emscripten_glVertexAttribDivisor, "emscripten_glVertexAttribDivisorANGLE": _emscripten_glVertexAttribDivisorANGLE, "emscripten_glVertexAttribDivisorARB": _emscripten_glVertexAttribDivisorARB, "emscripten_glVertexAttribDivisorEXT": _emscripten_glVertexAttribDivisorEXT, "emscripten_glVertexAttribDivisorNV": _emscripten_glVertexAttribDivisorNV, "emscripten_glVertexAttribI4i": _emscripten_glVertexAttribI4i, "emscripten_glVertexAttribI4iv": _emscripten_glVertexAttribI4iv, "emscripten_glVertexAttribI4ui": _emscripten_glVertexAttribI4ui, "emscripten_glVertexAttribI4uiv": _emscripten_glVertexAttribI4uiv, "emscripten_glVertexAttribIPointer": _emscripten_glVertexAttribIPointer, "emscripten_glVertexAttribPointer": _emscripten_glVertexAttribPointer, "emscripten_glViewport": _emscripten_glViewport, "emscripten_glWaitSync": _emscripten_glWaitSync, "emscripten_memcpy_big": _emscripten_memcpy_big, "emscripten_resize_heap": _emscripten_resize_heap, "fd_write": _fd_write, "memory": wasmMemory, "setTempRet0": _setTempRet0 }; +var asm = createWasm(); +/** @type {function(...*):?} */ +var ___wasm_call_ctors = Module["___wasm_call_ctors"] = createExportWrapper("__wasm_call_ctors"); + +/** @type {function(...*):?} */ +var _main = Module["_main"] = createExportWrapper("main"); + +/** @type {function(...*):?} */ +var _fft_if = Module["_fft_if"] = createExportWrapper("fft_if"); + +/** @type {function(...*):?} */ +var _ffti_shuffle_1 = Module["_ffti_shuffle_1"] = createExportWrapper("ffti_shuffle_1"); + +/** @type {function(...*):?} */ +var _fft_1 = Module["_fft_1"] = createExportWrapper("fft_1"); + +/** @type {function(...*):?} */ +var _dft = Module["_dft"] = createExportWrapper("dft"); + +/** @type {function(...*):?} */ +var _malloc = Module["_malloc"] = createExportWrapper("malloc"); + +/** @type {function(...*):?} */ +var _emscripten_GetProcAddress = Module["_emscripten_GetProcAddress"] = createExportWrapper("emscripten_GetProcAddress"); + +/** @type {function(...*):?} */ +var ___errno_location = Module["___errno_location"] = createExportWrapper("__errno_location"); + +/** @type {function(...*):?} */ +var _strstr = Module["_strstr"] = createExportWrapper("strstr"); + +/** @type {function(...*):?} */ +var _fflush = Module["_fflush"] = createExportWrapper("fflush"); + +/** @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 _free = Module["_free"] = createExportWrapper("free"); + +/** @type {function(...*):?} */ +var dynCall_jiji = Module["dynCall_jiji"] = createExportWrapper("dynCall_jiji"); + +/** @type {function(...*):?} */ +var __growWasmMemory = Module["__growWasmMemory"] = createExportWrapper("__growWasmMemory"); + + + + + +// === Auto-generated postamble setup entry stuff === + +if (!Object.getOwnPropertyDescriptor(Module, "intArrayFromString")) Module["intArrayFromString"] = function() { abort("'intArrayFromString' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "intArrayToString")) Module["intArrayToString"] = function() { abort("'intArrayToString' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +Module["ccall"] = ccall; +Module["cwrap"] = cwrap; +if (!Object.getOwnPropertyDescriptor(Module, "setValue")) Module["setValue"] = function() { abort("'setValue' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "getValue")) Module["getValue"] = function() { abort("'getValue' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "allocate")) Module["allocate"] = function() { abort("'allocate' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "UTF8ArrayToString")) Module["UTF8ArrayToString"] = function() { abort("'UTF8ArrayToString' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "UTF8ToString")) Module["UTF8ToString"] = function() { abort("'UTF8ToString' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "stringToUTF8Array")) Module["stringToUTF8Array"] = function() { abort("'stringToUTF8Array' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "stringToUTF8")) Module["stringToUTF8"] = function() { abort("'stringToUTF8' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "lengthBytesUTF8")) Module["lengthBytesUTF8"] = function() { abort("'lengthBytesUTF8' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "stackTrace")) Module["stackTrace"] = function() { abort("'stackTrace' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "addOnPreRun")) Module["addOnPreRun"] = function() { abort("'addOnPreRun' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "addOnInit")) Module["addOnInit"] = function() { abort("'addOnInit' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "addOnPreMain")) Module["addOnPreMain"] = function() { abort("'addOnPreMain' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "addOnExit")) Module["addOnExit"] = function() { abort("'addOnExit' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "addOnPostRun")) Module["addOnPostRun"] = function() { abort("'addOnPostRun' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "writeStringToMemory")) Module["writeStringToMemory"] = function() { abort("'writeStringToMemory' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "writeArrayToMemory")) Module["writeArrayToMemory"] = function() { abort("'writeArrayToMemory' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "writeAsciiToMemory")) Module["writeAsciiToMemory"] = function() { abort("'writeAsciiToMemory' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "addRunDependency")) Module["addRunDependency"] = function() { abort("'addRunDependency' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ). Alternatively, forcing filesystem support (-s FORCE_FILESYSTEM=1) can export this for you") }; +if (!Object.getOwnPropertyDescriptor(Module, "removeRunDependency")) Module["removeRunDependency"] = function() { abort("'removeRunDependency' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ). Alternatively, forcing filesystem support (-s FORCE_FILESYSTEM=1) can export this for you") }; +if (!Object.getOwnPropertyDescriptor(Module, "FS_createFolder")) Module["FS_createFolder"] = function() { abort("'FS_createFolder' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ). Alternatively, forcing filesystem support (-s FORCE_FILESYSTEM=1) can export this for you") }; +if (!Object.getOwnPropertyDescriptor(Module, "FS_createPath")) Module["FS_createPath"] = function() { abort("'FS_createPath' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ). Alternatively, forcing filesystem support (-s FORCE_FILESYSTEM=1) can export this for you") }; +if (!Object.getOwnPropertyDescriptor(Module, "FS_createDataFile")) Module["FS_createDataFile"] = function() { abort("'FS_createDataFile' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ). Alternatively, forcing filesystem support (-s FORCE_FILESYSTEM=1) can export this for you") }; +if (!Object.getOwnPropertyDescriptor(Module, "FS_createPreloadedFile")) Module["FS_createPreloadedFile"] = function() { abort("'FS_createPreloadedFile' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ). Alternatively, forcing filesystem support (-s FORCE_FILESYSTEM=1) can export this for you") }; +if (!Object.getOwnPropertyDescriptor(Module, "FS_createLazyFile")) Module["FS_createLazyFile"] = function() { abort("'FS_createLazyFile' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ). Alternatively, forcing filesystem support (-s FORCE_FILESYSTEM=1) can export this for you") }; +if (!Object.getOwnPropertyDescriptor(Module, "FS_createLink")) Module["FS_createLink"] = function() { abort("'FS_createLink' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ). Alternatively, forcing filesystem support (-s FORCE_FILESYSTEM=1) can export this for you") }; +if (!Object.getOwnPropertyDescriptor(Module, "FS_createDevice")) Module["FS_createDevice"] = function() { abort("'FS_createDevice' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ). Alternatively, forcing filesystem support (-s FORCE_FILESYSTEM=1) can export this for you") }; +if (!Object.getOwnPropertyDescriptor(Module, "FS_unlink")) Module["FS_unlink"] = function() { abort("'FS_unlink' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ). Alternatively, forcing filesystem support (-s FORCE_FILESYSTEM=1) can export this for you") }; +if (!Object.getOwnPropertyDescriptor(Module, "getLEB")) Module["getLEB"] = function() { abort("'getLEB' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "getFunctionTables")) Module["getFunctionTables"] = function() { abort("'getFunctionTables' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "alignFunctionTables")) Module["alignFunctionTables"] = function() { abort("'alignFunctionTables' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "registerFunctions")) Module["registerFunctions"] = function() { abort("'registerFunctions' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "addFunction")) Module["addFunction"] = function() { abort("'addFunction' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "removeFunction")) Module["removeFunction"] = function() { abort("'removeFunction' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "getFuncWrapper")) Module["getFuncWrapper"] = function() { abort("'getFuncWrapper' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "prettyPrint")) Module["prettyPrint"] = function() { abort("'prettyPrint' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "makeBigInt")) Module["makeBigInt"] = function() { abort("'makeBigInt' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "dynCall")) Module["dynCall"] = function() { abort("'dynCall' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "getCompilerSetting")) Module["getCompilerSetting"] = function() { abort("'getCompilerSetting' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "print")) Module["print"] = function() { abort("'print' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "printErr")) Module["printErr"] = function() { abort("'printErr' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "getTempRet0")) Module["getTempRet0"] = function() { abort("'getTempRet0' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "setTempRet0")) Module["setTempRet0"] = function() { abort("'setTempRet0' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "callMain")) Module["callMain"] = function() { abort("'callMain' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "abort")) Module["abort"] = function() { abort("'abort' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "stringToNewUTF8")) Module["stringToNewUTF8"] = function() { abort("'stringToNewUTF8' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "abortOnCannotGrowMemory")) Module["abortOnCannotGrowMemory"] = function() { abort("'abortOnCannotGrowMemory' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "emscripten_realloc_buffer")) Module["emscripten_realloc_buffer"] = function() { abort("'emscripten_realloc_buffer' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "ENV")) Module["ENV"] = function() { abort("'ENV' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "ERRNO_CODES")) Module["ERRNO_CODES"] = function() { abort("'ERRNO_CODES' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "ERRNO_MESSAGES")) Module["ERRNO_MESSAGES"] = function() { abort("'ERRNO_MESSAGES' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "setErrNo")) Module["setErrNo"] = function() { abort("'setErrNo' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "DNS")) Module["DNS"] = function() { abort("'DNS' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "GAI_ERRNO_MESSAGES")) Module["GAI_ERRNO_MESSAGES"] = function() { abort("'GAI_ERRNO_MESSAGES' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "Protocols")) Module["Protocols"] = function() { abort("'Protocols' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "Sockets")) Module["Sockets"] = function() { abort("'Sockets' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "traverseStack")) Module["traverseStack"] = function() { abort("'traverseStack' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "UNWIND_CACHE")) Module["UNWIND_CACHE"] = function() { abort("'UNWIND_CACHE' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "withBuiltinMalloc")) Module["withBuiltinMalloc"] = function() { abort("'withBuiltinMalloc' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "readAsmConstArgsArray")) Module["readAsmConstArgsArray"] = function() { abort("'readAsmConstArgsArray' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "readAsmConstArgs")) Module["readAsmConstArgs"] = function() { abort("'readAsmConstArgs' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "mainThreadEM_ASM")) Module["mainThreadEM_ASM"] = function() { abort("'mainThreadEM_ASM' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "jstoi_q")) Module["jstoi_q"] = function() { abort("'jstoi_q' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "jstoi_s")) Module["jstoi_s"] = function() { abort("'jstoi_s' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "getExecutableName")) Module["getExecutableName"] = function() { abort("'getExecutableName' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "listenOnce")) Module["listenOnce"] = function() { abort("'listenOnce' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "autoResumeAudioContext")) Module["autoResumeAudioContext"] = function() { abort("'autoResumeAudioContext' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "dynCallLegacy")) Module["dynCallLegacy"] = function() { abort("'dynCallLegacy' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "getDynCaller")) Module["getDynCaller"] = function() { abort("'getDynCaller' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "dynCall")) Module["dynCall"] = function() { abort("'dynCall' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "callRuntimeCallbacks")) Module["callRuntimeCallbacks"] = function() { abort("'callRuntimeCallbacks' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "abortStackOverflow")) Module["abortStackOverflow"] = function() { abort("'abortStackOverflow' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "reallyNegative")) Module["reallyNegative"] = function() { abort("'reallyNegative' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "unSign")) Module["unSign"] = function() { abort("'unSign' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "reSign")) Module["reSign"] = function() { abort("'reSign' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "formatString")) Module["formatString"] = function() { abort("'formatString' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "PATH")) Module["PATH"] = function() { abort("'PATH' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "PATH_FS")) Module["PATH_FS"] = function() { abort("'PATH_FS' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "SYSCALLS")) Module["SYSCALLS"] = function() { abort("'SYSCALLS' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "syscallMmap2")) Module["syscallMmap2"] = function() { abort("'syscallMmap2' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "syscallMunmap")) Module["syscallMunmap"] = function() { abort("'syscallMunmap' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "flush_NO_FILESYSTEM")) Module["flush_NO_FILESYSTEM"] = function() { abort("'flush_NO_FILESYSTEM' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "JSEvents")) Module["JSEvents"] = function() { abort("'JSEvents' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "specialHTMLTargets")) Module["specialHTMLTargets"] = function() { abort("'specialHTMLTargets' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "maybeCStringToJsString")) Module["maybeCStringToJsString"] = function() { abort("'maybeCStringToJsString' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "findEventTarget")) Module["findEventTarget"] = function() { abort("'findEventTarget' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "findCanvasEventTarget")) Module["findCanvasEventTarget"] = function() { abort("'findCanvasEventTarget' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "polyfillSetImmediate")) Module["polyfillSetImmediate"] = function() { abort("'polyfillSetImmediate' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "demangle")) Module["demangle"] = function() { abort("'demangle' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "demangleAll")) Module["demangleAll"] = function() { abort("'demangleAll' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "jsStackTrace")) Module["jsStackTrace"] = function() { abort("'jsStackTrace' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "stackTrace")) Module["stackTrace"] = function() { abort("'stackTrace' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "getEnvStrings")) Module["getEnvStrings"] = function() { abort("'getEnvStrings' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "checkWasiClock")) Module["checkWasiClock"] = function() { abort("'checkWasiClock' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "writeI53ToI64")) Module["writeI53ToI64"] = function() { abort("'writeI53ToI64' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "writeI53ToI64Clamped")) Module["writeI53ToI64Clamped"] = function() { abort("'writeI53ToI64Clamped' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "writeI53ToI64Signaling")) Module["writeI53ToI64Signaling"] = function() { abort("'writeI53ToI64Signaling' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "writeI53ToU64Clamped")) Module["writeI53ToU64Clamped"] = function() { abort("'writeI53ToU64Clamped' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "writeI53ToU64Signaling")) Module["writeI53ToU64Signaling"] = function() { abort("'writeI53ToU64Signaling' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "readI53FromI64")) Module["readI53FromI64"] = function() { abort("'readI53FromI64' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "readI53FromU64")) Module["readI53FromU64"] = function() { abort("'readI53FromU64' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "convertI32PairToI53")) Module["convertI32PairToI53"] = function() { abort("'convertI32PairToI53' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "convertU32PairToI53")) Module["convertU32PairToI53"] = function() { abort("'convertU32PairToI53' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "exceptionLast")) Module["exceptionLast"] = function() { abort("'exceptionLast' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "exceptionCaught")) Module["exceptionCaught"] = function() { abort("'exceptionCaught' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "ExceptionInfoAttrs")) Module["ExceptionInfoAttrs"] = function() { abort("'ExceptionInfoAttrs' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "ExceptionInfo")) Module["ExceptionInfo"] = function() { abort("'ExceptionInfo' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "CatchInfo")) Module["CatchInfo"] = function() { abort("'CatchInfo' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "exception_addRef")) Module["exception_addRef"] = function() { abort("'exception_addRef' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "exception_decRef")) Module["exception_decRef"] = function() { abort("'exception_decRef' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "Browser")) Module["Browser"] = function() { abort("'Browser' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "funcWrappers")) Module["funcWrappers"] = function() { abort("'funcWrappers' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "getFuncWrapper")) Module["getFuncWrapper"] = function() { abort("'getFuncWrapper' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "setMainLoop")) Module["setMainLoop"] = function() { abort("'setMainLoop' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "FS")) Module["FS"] = function() { abort("'FS' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "MEMFS")) Module["MEMFS"] = function() { abort("'MEMFS' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "TTY")) Module["TTY"] = function() { abort("'TTY' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "PIPEFS")) Module["PIPEFS"] = function() { abort("'PIPEFS' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "SOCKFS")) Module["SOCKFS"] = function() { abort("'SOCKFS' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "tempFixedLengthArray")) Module["tempFixedLengthArray"] = function() { abort("'tempFixedLengthArray' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "miniTempWebGLFloatBuffers")) Module["miniTempWebGLFloatBuffers"] = function() { abort("'miniTempWebGLFloatBuffers' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "heapObjectForWebGLType")) Module["heapObjectForWebGLType"] = function() { abort("'heapObjectForWebGLType' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "heapAccessShiftForWebGLHeap")) Module["heapAccessShiftForWebGLHeap"] = function() { abort("'heapAccessShiftForWebGLHeap' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "GL")) Module["GL"] = function() { abort("'GL' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "emscriptenWebGLGet")) Module["emscriptenWebGLGet"] = function() { abort("'emscriptenWebGLGet' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "computeUnpackAlignedImageSize")) Module["computeUnpackAlignedImageSize"] = function() { abort("'computeUnpackAlignedImageSize' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "emscriptenWebGLGetTexPixelData")) Module["emscriptenWebGLGetTexPixelData"] = function() { abort("'emscriptenWebGLGetTexPixelData' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "emscriptenWebGLGetUniform")) Module["emscriptenWebGLGetUniform"] = function() { abort("'emscriptenWebGLGetUniform' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "emscriptenWebGLGetVertexAttrib")) Module["emscriptenWebGLGetVertexAttrib"] = function() { abort("'emscriptenWebGLGetVertexAttrib' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "writeGLArray")) Module["writeGLArray"] = function() { abort("'writeGLArray' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "AL")) Module["AL"] = function() { abort("'AL' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "SDL_unicode")) Module["SDL_unicode"] = function() { abort("'SDL_unicode' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "SDL_ttfContext")) Module["SDL_ttfContext"] = function() { abort("'SDL_ttfContext' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "SDL_audio")) Module["SDL_audio"] = function() { abort("'SDL_audio' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "SDL")) Module["SDL"] = function() { abort("'SDL' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "SDL_gfx")) Module["SDL_gfx"] = function() { abort("'SDL_gfx' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "GLUT")) Module["GLUT"] = function() { abort("'GLUT' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "EGL")) Module["EGL"] = function() { abort("'EGL' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "GLFW_Window")) Module["GLFW_Window"] = function() { abort("'GLFW_Window' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "GLFW")) Module["GLFW"] = function() { abort("'GLFW' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "GLEW")) Module["GLEW"] = function() { abort("'GLEW' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "IDBStore")) Module["IDBStore"] = function() { abort("'IDBStore' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "runAndAbortIfError")) Module["runAndAbortIfError"] = function() { abort("'runAndAbortIfError' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "emscriptenWebGLGetIndexed")) Module["emscriptenWebGLGetIndexed"] = function() { abort("'emscriptenWebGLGetIndexed' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "warnOnce")) Module["warnOnce"] = function() { abort("'warnOnce' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "stackSave")) Module["stackSave"] = function() { abort("'stackSave' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "stackRestore")) Module["stackRestore"] = function() { abort("'stackRestore' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "stackAlloc")) Module["stackAlloc"] = function() { abort("'stackAlloc' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "AsciiToString")) Module["AsciiToString"] = function() { abort("'AsciiToString' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "stringToAscii")) Module["stringToAscii"] = function() { abort("'stringToAscii' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "UTF16ToString")) Module["UTF16ToString"] = function() { abort("'UTF16ToString' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "stringToUTF16")) Module["stringToUTF16"] = function() { abort("'stringToUTF16' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "lengthBytesUTF16")) Module["lengthBytesUTF16"] = function() { abort("'lengthBytesUTF16' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "UTF32ToString")) Module["UTF32ToString"] = function() { abort("'UTF32ToString' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "stringToUTF32")) Module["stringToUTF32"] = function() { abort("'stringToUTF32' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "lengthBytesUTF32")) Module["lengthBytesUTF32"] = function() { abort("'lengthBytesUTF32' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "allocateUTF8")) Module["allocateUTF8"] = function() { abort("'allocateUTF8' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +if (!Object.getOwnPropertyDescriptor(Module, "allocateUTF8OnStack")) Module["allocateUTF8OnStack"] = function() { abort("'allocateUTF8OnStack' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") }; +Module["writeStackCookie"] = writeStackCookie; +Module["checkStackCookie"] = checkStackCookie;if (!Object.getOwnPropertyDescriptor(Module, "ALLOC_NORMAL")) Object.defineProperty(Module, "ALLOC_NORMAL", { configurable: true, get: function() { abort("'ALLOC_NORMAL' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") } }); +if (!Object.getOwnPropertyDescriptor(Module, "ALLOC_STACK")) Object.defineProperty(Module, "ALLOC_STACK", { configurable: true, get: function() { abort("'ALLOC_STACK' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") } }); +if (!Object.getOwnPropertyDescriptor(Module, "ALLOC_NONE")) Object.defineProperty(Module, "ALLOC_NONE", { configurable: true, get: function() { abort("'ALLOC_NONE' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") } }); + + +var calledRun; + +/** + * @constructor + * @this {ExitStatus} + */ +function ExitStatus(status) { + this.name = "ExitStatus"; + this.message = "Program terminated with exit(" + status + ")"; + this.status = status; +} + +var calledMain = false; + + +dependenciesFulfilled = function runCaller() { + // If run has never been called, and we should call run (INVOKE_RUN is true, and Module.noInitialRun is not false) + if (!calledRun) run(); + if (!calledRun) dependenciesFulfilled = runCaller; // try this again later, after new deps are fulfilled +}; + +function callMain(args) { + assert(runDependencies == 0, 'cannot call main when async dependencies remain! (listen on Module["onRuntimeInitialized"])'); + assert(__ATPRERUN__.length == 0, 'cannot call main when preRun functions remain to be called'); + + var entryFunction = Module['_main']; + + + args = args || []; + + var argc = args.length+1; + var argv = stackAlloc((argc + 1) * 4); + HEAP32[argv >> 2] = allocateUTF8OnStack(thisProgram); + for (var i = 1; i < argc; i++) { + HEAP32[(argv >> 2) + i] = allocateUTF8OnStack(args[i - 1]); + } + HEAP32[(argv >> 2) + argc] = 0; + + try { + + + var ret = entryFunction(argc, argv); + + + // In PROXY_TO_PTHREAD builds, we should never exit the runtime below, as execution is asynchronously handed + // off to a pthread. + // if we're not running an evented main loop, it's time to exit + exit(ret, /* implicit = */ true); + } + catch(e) { + if (e instanceof ExitStatus) { + // exit() throws this once it's done to make sure execution + // has been stopped completely + return; + } else if (e == 'unwind') { + // running an evented main loop, don't immediately exit + noExitRuntime = true; + return; + } else { + var toLog = e; + if (e && typeof e === 'object' && e.stack) { + toLog = [e, e.stack]; + } + err('exception thrown: ' + toLog); + quit_(1, e); + } + } finally { + calledMain = true; + + } +} + + + + +/** @type {function(Array=)} */ +function run(args) { + args = args || arguments_; + + if (runDependencies > 0) { + return; + } + + writeStackCookie(); + + preRun(); + + if (runDependencies > 0) return; // a preRun added a dependency, run will be called later + + function doRun() { + // run may have just been called through dependencies being fulfilled just in this very frame, + // or while the async setStatus time below was happening + if (calledRun) return; + calledRun = true; + Module['calledRun'] = true; + + if (ABORT) return; + + initRuntime(); + + preMain(); + + if (Module['onRuntimeInitialized']) Module['onRuntimeInitialized'](); + + if (shouldRunNow) callMain(args); + + postRun(); + } + + if (Module['setStatus']) { + Module['setStatus']('Running...'); + setTimeout(function() { + setTimeout(function() { + Module['setStatus'](''); + }, 1); + doRun(); + }, 1); + } else + { + doRun(); + } + checkStackCookie(); +} +Module['run'] = run; + +function checkUnflushedContent() { + // Compiler settings do not allow exiting the runtime, so flushing + // the streams is not possible. but in ASSERTIONS mode we check + // if there was something to flush, and if so tell the user they + // should request that the runtime be exitable. + // Normally we would not even include flush() at all, but in ASSERTIONS + // builds we do so just for this check, and here we see if there is any + // content to flush, that is, we check if there would have been + // something a non-ASSERTIONS build would have not seen. + // How we flush the streams depends on whether we are in SYSCALLS_REQUIRE_FILESYSTEM=0 + // mode (which has its own special function for this; otherwise, all + // the code is inside libc) + var print = out; + var printErr = err; + var has = false; + out = err = function(x) { + has = true; + } + try { // it doesn't matter if it fails + var flush = flush_NO_FILESYSTEM; + if (flush) flush(); + } catch(e) {} + out = print; + err = printErr; + 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.'); + warnOnce('(this may also be due to not including full filesystem support - try building with -s FORCE_FILESYSTEM=1)'); + } +} + +/** @param {boolean|number=} implicit */ +function exit(status, implicit) { + checkUnflushedContent(); + + // if this is just main exit-ing implicitly, and the status is 0, then we + // don't need to do anything here and can just leave. if the status is + // non-zero, though, then we need to report it. + // (we may have warned about this earlier, if a situation justifies doing so) + if (implicit && noExitRuntime && status === 0) { + return; + } + + if (noExitRuntime) { + // if exit() was called, we may warn the user if the runtime isn't actually being shut down + if (!implicit) { + var msg = 'program exited (with status: ' + status + '), but EXIT_RUNTIME is not set, so halting execution but not exiting the runtime or preventing further async execution (build with EXIT_RUNTIME=1, if you want a true shutdown)'; + err(msg); + } + } else { + + EXITSTATUS = status; + + exitRuntime(); + + if (Module['onExit']) Module['onExit'](status); + + ABORT = true; + } + + quit_(status, new ExitStatus(status)); +} + +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; + + + noExitRuntime = true; + +run(); + + + + + + +// {{MODULE_ADDITIONS}} + + + diff --git a/md/demo/naive_fft/index.wasm b/md/demo/naive_fft/index.wasm Binary files differnew file mode 100644 index 0000000..22ebf40 --- /dev/null +++ b/md/demo/naive_fft/index.wasm diff --git a/md/writeup/naive_fft_implementation_in_c.md b/md/writeup/naive_fft_implementation_in_c.md index e5729ee..d82cc57 100644 --- a/md/writeup/naive_fft_implementation_in_c.md +++ b/md/writeup/naive_fft_implementation_in_c.md @@ -16,6 +16,115 @@ MathJax = { <script type="text/javascript" id="MathJax-script" async src="/js/tex-chtml.js"> </script> +<script src="/demo/naive_fft/index.js"></script> + <script type='text/javascript'> + var Module = {}; + fetch('/demo/naive_fft/index.wasm') + .then(response => + response.arrayBuffer() + ).then(buffer => { + //Module.canvas = document.getElementById("canvas"); + Module.wasmBinary = buffer; + var script = document.createElement('script'); + script.src = "/demo/naive_fft/index.js"; + script.onload = function() { + console.log("Emscripten boilerplate loaded."); + run_dft = Module.cwrap("dft", [],[['float'],['float'],'number','number']); + run_fft_shuffle = Module.cwrap("ffti_shuffle_1", [],[['float'],['float'],'number']); + run_fft = Module.cwrap("fft_1", [],[['float'],['float'],'number','number']); + + + + var inputDataI = document.querySelector('.inputDataI'); + var inputDataIerr = document.querySelector('.inputDataIerr'); + var inputDataQ = document.querySelector('.inputDataQ'); + var inputDataQerr = document.querySelector('.inputDataQerr'); + var outputDataI = document.querySelector('.outputDataI'); + var outputDataQ = document.querySelector('.outputDataQ'); + + document.querySelector("#calcButton").onclick = function() { + console.log("calc FFT"); + + function cArray(size) { + var offset = Module._malloc(size * 8); + Module.HEAPF64.set(new Float64Array(size), offset / 8); + return { + "data": Module.HEAPF64.subarray(offset / 8, offset / 8 + size), + "offset": offset + } + } + + function checkArr(inputData,errorOutput) { + var strArr = inputData.value; + + strArr = strArr.replace(/ +(?= )/g,''); + var splArr = strArr.split(" "); + var data = Array(splArr.length).fill(0); + for (let i=0; i<splArr.length;i++) { + try { + var j=splArr[i]; + if ( j != parseFloat(j)) throw new Error("ERROR: not float "+splArr[i]+" at index "+i); + data[i] = parseFloat(j) + } catch (err) { + console.log("Error: ",err.message) + errorOutput.innerHTML = err.message; + return {"result":false,"data":[]}; + } + + } + return {"result":true,"data":data}; + } + console.log("checkArr"); + var arrIok = checkArr(inputDataI,inputDataIerr); + console.log("checkArr"); + var arrQok = checkArr(inputDataQ,inputDataQerr); + //max size 8 values, as thats enought for a demo + //https://stackoverflow.com/questions/17883799/how-to-handle-passing-returning-array-pointers-to-emscripten-compiled-code + if (!arrIok.result) return; + if (!arrQok.result) return; + + var N=8; + var myArray_i = cArray(N); + var myArray_q = cArray(N); + + //set test data + for(let i=0,j=0;i<N,j<arrIok.data.length;i++,j++) { + myArray_i.data[i] = arrIok.data[j]; + } + for(let i=0,j=0;i<N,j<arrQok.data.length;i++,j++) { + myArray_q.data[i] = arrQok.data[j]; + } + console.log(myArray_i.data); + console.log(myArray_q.data); + //DFT + run_dft(myArray_i.offset,myArray_q.offset,N,0); + //FFT + //run_fft_shuffle(myArray_i.offset,myArray_q.offset,N); + //run_fft(myArray_i.offset,myArray_q.offset,N,1); + + console.log(myArray_i.data); + console.log(myArray_q.data) + function outputResult(array,output) { + var arr = Array(array.slice(0,N)); + + arr = arr.map(function(item){ + return item.map(function(num){ + return parseFloat(num.toFixed(4)); + }); + }); + output.value = arr; + } + outputResult(myArray_i.data, outputDataI); + outputResult(myArray_q.data, outputDataQ); + + } + + } //end onload + document.body.appendChild(script); + }); + + + </script> Time to implement DFT/FFT by myself. Just followed Ifeachor book on theory part and IOWA FFT source on implementation side. @@ -212,6 +321,20 @@ res4 = fft(data4) ``` +### Demo + +Here hookedup demo of compiled wasm fft code location of demo source http://git.main.lv/cgit.cgi/NaiveFFT.git/tree/Build/index.html?h=main + +Two boxes for input and two boxes for output. Values set as vectors of complex numbers. First box for real +part, second box for imaginary part or in case of DSP IQ sample values. + +Input I:<textarea class="inputDataI">1 1 0</textarea><sup class="inputDataIerr"></sup> +Input Q:<textarea class="inputDataQ">0 0 0</textarea><sup class="inputDataQerr"></sup> +Output I:<textarea class="outputDataI"></textarea> +Output Q:<textarea class="outputDataQ"></textarea> +<button id="calcButton" type="button">Cals</button> + + ### Source Source located in main branch of git repo |