diff --git a/tutorials/9_new_widget/.gitignore b/tutorials/9_new_widget/.gitignore
new file mode 100644
index 0000000..8b23de8
--- /dev/null
+++ b/tutorials/9_new_widget/.gitignore
@@ -0,0 +1 @@
+preview-build
diff --git a/tutorials/9_new_widget/CMakeLists.txt b/tutorials/9_new_widget/CMakeLists.txt
new file mode 100644
index 0000000..e46feb5
--- /dev/null
+++ b/tutorials/9_new_widget/CMakeLists.txt
@@ -0,0 +1,41 @@
+# This basic file is used to compile the runtime for the Editor preview.
+# Generated file, do not edit.
+
+# Only set project if this is the top-level CMakeLists.txt
+if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
+  cmake_minimum_required(VERSION 3.10)
+  # can be customized
+  project(LVGLProject)
+  set(IS_TOP_LEVEL TRUE)
+else()
+  set(IS_TOP_LEVEL FALSE)
+endif()
+
+# Handles giving component libraries unique names when included as subprojects.
+if (DEFINED LVGL_COMPONENT_LIB_NAME)
+  set(LIB_NAME ${LVGL_COMPONENT_LIB_NAME})
+else()
+  set(LIB_NAME lib-ui)
+endif()
+
+# This includes the generated list of .c files
+include(${CMAKE_CURRENT_LIST_DIR}/file_list_gen.cmake)
+# Include any component libraries
+include(${CMAKE_CURRENT_LIST_DIR}/component_lib_list_gen.cmake)
+
+# Create the UI sources as a library
+add_library(${LIB_NAME} ${LV_EDITOR_PROJECT_SOURCES})
+if (DEFINED LV_EDITOR_COMPONENT_LIB_LIST)
+  target_link_libraries(${LIB_NAME} PUBLIC ${LV_EDITOR_COMPONENT_LIB_LIST})
+endif ()
+
+if(TARGET lvgl)
+  target_link_libraries(${LIB_NAME} PUBLIC lvgl)
+endif()
+
+# Add the project folder as include folder
+target_include_directories(${LIB_NAME} PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})
+
+# Set include directories for the project
+# This will include the LVGL includes
+target_include_directories(${LIB_NAME} PRIVATE ${COMMON_INCLUDE_DIRS})
diff --git a/tutorials/9_new_widget/component_lib_list_gen.cmake b/tutorials/9_new_widget/component_lib_list_gen.cmake
new file mode 100644
index 0000000..b28b04f
--- /dev/null
+++ b/tutorials/9_new_widget/component_lib_list_gen.cmake
@@ -0,0 +1,3 @@
+
+
+
diff --git a/tutorials/9_new_widget/components/README.md b/tutorials/9_new_widget/components/README.md
new file mode 100644
index 0000000..c44ff7a
--- /dev/null
+++ b/tutorials/9_new_widget/components/README.md
@@ -0,0 +1 @@
+Create XML files here that start with a `<component>` tag
diff --git a/tutorials/9_new_widget/components/segment_item/segment_item.xml b/tutorials/9_new_widget/components/segment_item/segment_item.xml
new file mode 100644
index 0000000..6be4574
--- /dev/null
+++ b/tutorials/9_new_widget/components/segment_item/segment_item.xml
@@ -0,0 +1,29 @@
+<component>
+	<previews>
+		<preview width="320" height="40" style_bg_color="0x383838" />
+	</previews>
+
+	<api>
+		<prop name="text" type="string" default="Segment" />
+	</api>
+
+	<styles>
+		<style
+			name="style_base"
+			width="100"
+			height="100%"
+			bg_color="0x545454"
+			border_width="0"
+			text_color="0xffffff"
+			radius="0"
+		/>
+		<style name="style_checked" bg_color="0xd3d3d3" text_color="0x000000" />
+	</styles>
+
+	<view extends="lv_obj" scrollable="false">
+		<!-- Add widgets/components here -->
+		<style name="style_base" />
+		<style name="style_checked" selector="checked" />
+		<lv_label text="$text" align="center" />
+	</view>
+</component>
diff --git a/tutorials/9_new_widget/components/segment_item/segment_item_gen.c b/tutorials/9_new_widget/components/segment_item/segment_item_gen.c
new file mode 100644
index 0000000..efc25eb
--- /dev/null
+++ b/tutorials/9_new_widget/components/segment_item/segment_item_gen.c
@@ -0,0 +1,76 @@
+/**
+ * @file segment_item_gen.c
+ * @brief Template source file for LVGL objects
+ */
+
+/*********************
+ *      INCLUDES
+ *********************/
+
+#include "segment_item_gen.h"
+#include "../../ui_new_widget.h"
+
+/*********************
+ *      DEFINES
+ *********************/
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+/***********************
+ *  STATIC VARIABLES
+ **********************/
+
+/***********************
+ *  STATIC PROTOTYPES
+ **********************/
+
+/**********************
+ *   GLOBAL FUNCTIONS
+ **********************/
+
+lv_obj_t * segment_item_create(lv_obj_t * parent, const char * text)
+{
+    LV_TRACE_OBJ_CREATE("begin");
+
+    static lv_style_t style_base;
+    static lv_style_t style_checked;
+
+    static bool style_inited = false;
+
+    if (!style_inited) {
+        lv_style_init(&style_base);
+        lv_style_set_width(&style_base, 100);
+        lv_style_set_height(&style_base, lv_pct(100));
+        lv_style_set_bg_color(&style_base, lv_color_hex(0x545454));
+        lv_style_set_border_width(&style_base, 0);
+        lv_style_set_text_color(&style_base, lv_color_hex(0xffffff));
+        lv_style_set_radius(&style_base, 0);
+
+        lv_style_init(&style_checked);
+        lv_style_set_bg_color(&style_checked, lv_color_hex(0xd3d3d3));
+        lv_style_set_text_color(&style_checked, lv_color_hex(0x000000));
+
+        style_inited = true;
+    }
+
+    lv_obj_t * lv_obj_0 = lv_obj_create(parent);
+    lv_obj_set_name_static(lv_obj_0, "segment_item_#");
+    lv_obj_set_flag(lv_obj_0, LV_OBJ_FLAG_SCROLLABLE, false);
+
+    lv_obj_add_style(lv_obj_0, &style_base, 0);
+    lv_obj_add_style(lv_obj_0, &style_checked, LV_STATE_CHECKED);
+    lv_obj_t * lv_label_0 = lv_label_create(lv_obj_0);
+    lv_label_set_text(lv_label_0, text);
+    lv_obj_set_align(lv_label_0, LV_ALIGN_CENTER);
+
+    LV_TRACE_OBJ_CREATE("finished");
+
+    return lv_obj_0;
+}
+
+/**********************
+ *   STATIC FUNCTIONS
+ **********************/
+
diff --git a/tutorials/9_new_widget/components/segment_item/segment_item_gen.h b/tutorials/9_new_widget/components/segment_item/segment_item_gen.h
new file mode 100644
index 0000000..94d50cf
--- /dev/null
+++ b/tutorials/9_new_widget/components/segment_item/segment_item_gen.h
@@ -0,0 +1,46 @@
+/**
+ * @file segment_item_gen.h
+ */
+
+#ifndef SEGMENT_ITEM_H
+#define SEGMENT_ITEM_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*********************
+ *      INCLUDES
+ *********************/
+
+#ifdef LV_LVGL_H_INCLUDE_SIMPLE
+    #include "lvgl.h"
+    #include "src/core/lv_obj_class_private.h"
+#else
+    #include "lvgl/lvgl.h"
+    #include "lvgl/src/core/lv_obj_class_private.h"
+#endif
+
+/*********************
+ *      DEFINES
+ *********************/
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+/**********************
+ * GLOBAL PROTOTYPES
+ **********************/
+
+lv_obj_t * segment_item_create(lv_obj_t * parent, const char * text);
+
+/**********************
+ *      MACROS
+ **********************/
+
+#ifdef __cplusplus
+} /*extern "C"*/
+#endif
+
+#endif /*SEGMENT_ITEM_H*/
\ No newline at end of file
diff --git a/tutorials/9_new_widget/file_list_gen.cmake b/tutorials/9_new_widget/file_list_gen.cmake
new file mode 100644
index 0000000..65c2425
--- /dev/null
+++ b/tutorials/9_new_widget/file_list_gen.cmake
@@ -0,0 +1,10 @@
+list(
+  APPEND
+  LV_EDITOR_PROJECT_SOURCES
+  ${CMAKE_CURRENT_LIST_DIR}/components/segment_item/segment_item_gen.c
+  ${CMAKE_CURRENT_LIST_DIR}/screens/screen_widgets/screen_widgets_gen.c
+  ${CMAKE_CURRENT_LIST_DIR}/ui_new_widget_gen.c
+  ${CMAKE_CURRENT_LIST_DIR}/ui_new_widget.c
+  ${CMAKE_CURRENT_LIST_DIR}/widgets/wd_segment/wd_segment_gen.c
+  ${CMAKE_CURRENT_LIST_DIR}/widgets/wd_segment/wd_segment_xml_parser.c
+  ${CMAKE_CURRENT_LIST_DIR}/widgets/wd_segment/wd_segment.c)
\ No newline at end of file
diff --git a/tutorials/9_new_widget/fonts/README.md b/tutorials/9_new_widget/fonts/README.md
new file mode 100644
index 0000000..104d732
--- /dev/null
+++ b/tutorials/9_new_widget/fonts/README.md
@@ -0,0 +1 @@
+Place ttf or woff files here
diff --git a/tutorials/9_new_widget/globals.xml b/tutorials/9_new_widget/globals.xml
new file mode 100644
index 0000000..c942265
--- /dev/null
+++ b/tutorials/9_new_widget/globals.xml
@@ -0,0 +1,26 @@
+<globals>
+	<api>
+		<!-- Add <enumdefs> here -->
+	</api>
+
+	<consts>
+		<!-- Add <px>, <int>, <color> etc here -->
+	</consts>
+
+	<styles>
+		<!-- Add <style> tags here -->
+	</styles>
+
+	<subjects>
+		<!-- Add <int>, <string>, or <float> subjects here -->
+		<int name="subject_segment" value="0" />
+	</subjects>
+
+	<images>
+		<!-- Add <file> or <data> tags here -->
+	</images>
+
+	<fonts>
+		<!-- Add <bin> , <tiny_ttf>, <freetype> tags here -->
+	</fonts>
+</globals>
diff --git a/tutorials/9_new_widget/images/README.md b/tutorials/9_new_widget/images/README.md
new file mode 100644
index 0000000..10807df
--- /dev/null
+++ b/tutorials/9_new_widget/images/README.md
@@ -0,0 +1 @@
+Place PNG images here
diff --git a/tutorials/9_new_widget/preview-bin/.lvgl-version b/tutorials/9_new_widget/preview-bin/.lvgl-version
new file mode 100644
index 0000000..b4cf44c
--- /dev/null
+++ b/tutorials/9_new_widget/preview-bin/.lvgl-version
@@ -0,0 +1 @@
+9.4.0
\ No newline at end of file
diff --git a/tutorials/9_new_widget/preview-bin/lved-runtime.js b/tutorials/9_new_widget/preview-bin/lved-runtime.js
new file mode 100644
index 0000000..13c7159
--- /dev/null
+++ b/tutorials/9_new_widget/preview-bin/lved-runtime.js
@@ -0,0 +1,9393 @@
+var createModule = (() => {
+  var _scriptName = typeof document != 'undefined' ? document.currentScript?.src : undefined;
+  
+  return (
+async function(moduleArg = {}) {
+  var moduleRtn;
+
+// include: shell.js
+// The Module object: Our interface to the outside world. We import
+// and export values on it. There are various ways Module can be used:
+// 1. Not defined. We create it here
+// 2. A function parameter, function(moduleArg) => Promise<Module>
+// 3. pre-run appended it, var Module = {}; ..generated code..
+// 4. External script tag defines var Module.
+// We need to check if Module already exists (e.g. case 3 above).
+// Substitution will be replaced with actual code on later stage of the build,
+// this way Closure Compiler will not mangle it (e.g. case 4. above).
+// Note that if you want to run closure, and also to use Module
+// after the generated code, you will need to define   var Module = {};
+// before the code. Then that object will be used in the code, and you
+// can continue to use Module afterwards as well.
+var Module = moduleArg;
+
+// Set up the promise that indicates the Module is initialized
+var readyPromiseResolve, readyPromiseReject;
+
+var readyPromise = new Promise((resolve, reject) => {
+  readyPromiseResolve = resolve;
+  readyPromiseReject = reject;
+});
+
+// Determine the runtime environment we are in. You can customize this by
+// setting the ENVIRONMENT setting at compile time (see settings.js).
+var ENVIRONMENT_IS_WEB = true;
+
+var ENVIRONMENT_IS_WORKER = false;
+
+var ENVIRONMENT_IS_NODE = false;
+
+var ENVIRONMENT_IS_SHELL = false;
+
+// --pre-jses are emitted after the Module integration code, so that they can
+// refer to Module (if they choose; they can also define Module)
+// Sometimes an existing Module object exists with properties
+// meant to overwrite the default module functionality. Here
+// we collect those properties and reapply _after_ we configure
+// the current environment's defaults to avoid having to be so
+// defensive during initialization.
+var moduleOverrides = {
+  ...Module
+};
+
+var arguments_ = [];
+
+var thisProgram = "./this.program";
+
+var quit_ = (status, toThrow) => {
+  throw toThrow;
+};
+
+// `/` should be present at the end if `scriptDirectory` is not empty
+var scriptDirectory = "";
+
+function locateFile(path) {
+  if (Module["locateFile"]) {
+    return Module["locateFile"](path, scriptDirectory);
+  }
+  return scriptDirectory + path;
+}
+
+// Hooks that are implemented differently in different runtime environments.
+var readAsync, readBinary;
+
+// Note that this includes Node.js workers when relevant (pthreads is enabled).
+// Node.js workers are detected as a combination of ENVIRONMENT_IS_WORKER and
+// ENVIRONMENT_IS_NODE.
+if (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) {
+  if (ENVIRONMENT_IS_WORKER) {
+    // Check worker, not web, since window could be polyfilled
+    scriptDirectory = self.location.href;
+  } else if (typeof document != "undefined" && document.currentScript) {
+    // web
+    scriptDirectory = document.currentScript.src;
+  }
+  // When MODULARIZE, this JS may be executed later, after document.currentScript
+  // is gone, so we saved it, and we use it here instead of any other info.
+  if (_scriptName) {
+    scriptDirectory = _scriptName;
+  }
+  // blob urls look like blob:http://site.com/etc/etc and we cannot infer anything from them.
+  // otherwise, slice off the final part of the url to find the script directory.
+  // if scriptDirectory does not contain a slash, lastIndexOf will return -1,
+  // and scriptDirectory will correctly be replaced with an empty string.
+  // If scriptDirectory contains a query (starting with ?) or a fragment (starting with #),
+  // they are removed because they could contain a slash.
+  if (scriptDirectory.startsWith("blob:")) {
+    scriptDirectory = "";
+  } else {
+    scriptDirectory = scriptDirectory.slice(0, scriptDirectory.replace(/[?#].*/, "").lastIndexOf("/") + 1);
+  }
+  {
+    // include: web_or_worker_shell_read.js
+    readAsync = async url => {
+      var response = await fetch(url, {
+        credentials: "same-origin"
+      });
+      if (response.ok) {
+        return response.arrayBuffer();
+      }
+      throw new Error(response.status + " : " + response.url);
+    };
+  }
+} else {}
+
+var out = Module["print"] || console.log.bind(console);
+
+var err = Module["printErr"] || console.error.bind(console);
+
+// Merge back in the overrides
+Object.assign(Module, moduleOverrides);
+
+// Free the object hierarchy contained in the overrides, this lets the GC
+// reclaim data used.
+moduleOverrides = null;
+
+// 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 (Module["thisProgram"]) thisProgram = Module["thisProgram"];
+
+// perform assertions in shell.js after we set up out() and err(), as otherwise if an assertion fails it cannot print the message
+// end include: shell.js
+// include: preamble.js
+// === Preamble library stuff ===
+// Documentation for the public APIs defined in this file must be updated in:
+//    site/source/docs/api_reference/preamble.js.rst
+// A prebuilt local version of the documentation is available at:
+//    site/build/text/docs/api_reference/preamble.js.txt
+// You can also build docs locally as HTML or other formats in site/
+// An online HTML version (which may be of a different version of Emscripten)
+//    is up at http://kripken.github.io/emscripten-site/docs/api_reference/preamble.js.html
+var wasmBinary = Module["wasmBinary"];
+
+// Wasm globals
+var wasmMemory;
+
+//========================================
+// Runtime essentials
+//========================================
+// whether we are quitting the application. no code should run after this.
+// set in exit() and abort()
+var ABORT = false;
+
+// set by exit() and abort().  Passed to 'onExit' handler.
+// NOTE: This is also used as the process return code code in shell environments
+// but only when noExitRuntime is false.
+var EXITSTATUS;
+
+// In STRICT mode, we only define assert() when ASSERTIONS is set.  i.e. we
+// don't define it at all in release modes.  This matches the behaviour of
+// MINIMAL_RUNTIME.
+// TODO(sbc): Make this the default even without STRICT enabled.
+/** @type {function(*, string=)} */ function assert(condition, text) {
+  if (!condition) {
+    // This build was created without ASSERTIONS defined.  `assert()` should not
+    // ever be called in this configuration but in case there are callers in
+    // the wild leave this simple abort() implementation here for now.
+    abort(text);
+  }
+}
+
+// Memory management
+var HEAP, /** @type {!Int8Array} */ HEAP8, /** @type {!Uint8Array} */ HEAPU8, /** @type {!Int16Array} */ HEAP16, /** @type {!Uint16Array} */ HEAPU16, /** @type {!Int32Array} */ HEAP32, /** @type {!Uint32Array} */ HEAPU32, /** @type {!Float32Array} */ HEAPF32, /* BigInt64Array type is not correctly defined in closure
+/** not-@type {!BigInt64Array} */ HEAP64, /* BigUint64Array type is not correctly defined in closure
+/** not-t@type {!BigUint64Array} */ HEAPU64, /** @type {!Float64Array} */ HEAPF64;
+
+var runtimeInitialized = false;
+
+var runtimeExited = false;
+
+/**
+ * Indicates whether filename is delivered via file protocol (as opposed to http/https)
+ * @noinline
+ */ var isFileURI = filename => filename.startsWith("file://");
+
+// include: runtime_shared.js
+// include: runtime_stack_check.js
+// end include: runtime_stack_check.js
+// include: runtime_exceptions.js
+// end include: runtime_exceptions.js
+// include: runtime_debug.js
+// end include: runtime_debug.js
+// include: memoryprofiler.js
+// end include: memoryprofiler.js
+function updateMemoryViews() {
+  var b = wasmMemory.buffer;
+  Module["HEAP8"] = HEAP8 = new Int8Array(b);
+  Module["HEAP16"] = HEAP16 = new Int16Array(b);
+  Module["HEAPU8"] = HEAPU8 = new Uint8Array(b);
+  Module["HEAPU16"] = HEAPU16 = new Uint16Array(b);
+  Module["HEAP32"] = HEAP32 = new Int32Array(b);
+  Module["HEAPU32"] = HEAPU32 = new Uint32Array(b);
+  Module["HEAPF32"] = HEAPF32 = new Float32Array(b);
+  Module["HEAPF64"] = HEAPF64 = new Float64Array(b);
+  Module["HEAP64"] = HEAP64 = new BigInt64Array(b);
+  Module["HEAPU64"] = HEAPU64 = new BigUint64Array(b);
+}
+
+// end include: runtime_shared.js
+function preRun() {
+  if (Module["preRun"]) {
+    if (typeof Module["preRun"] == "function") Module["preRun"] = [ Module["preRun"] ];
+    while (Module["preRun"].length) {
+      addOnPreRun(Module["preRun"].shift());
+    }
+  }
+  callRuntimeCallbacks(onPreRuns);
+}
+
+function initRuntime() {
+  runtimeInitialized = true;
+  if (!Module["noFSInit"] && !FS.initialized) FS.init();
+  TTY.init();
+  wasmExports["__wasm_call_ctors"]();
+  FS.ignorePermissions = false;
+}
+
+function exitRuntime() {
+  ___funcs_on_exit();
+  // Native atexit() functions
+  callRuntimeCallbacks(onExits);
+  FS.quit();
+  TTY.shutdown();
+  runtimeExited = true;
+}
+
+function postRun() {
+  if (Module["postRun"]) {
+    if (typeof Module["postRun"] == "function") Module["postRun"] = [ Module["postRun"] ];
+    while (Module["postRun"].length) {
+      addOnPostRun(Module["postRun"].shift());
+    }
+  }
+  callRuntimeCallbacks(onPostRuns);
+}
+
+// A counter of dependencies for calling run(). If we need to
+// do asynchronous work before running, increment this and
+// decrement it. Incrementing must happen in a place like
+// Module.preRun (used by emcc to add file preloading).
+// Note that you can add dependencies in preRun, even though
+// it happens right before run - run will be postponed until
+// the dependencies are met.
+var runDependencies = 0;
+
+var dependenciesFulfilled = null;
+
+// overridden to take different actions when all run dependencies are fulfilled
+function getUniqueRunDependency(id) {
+  return id;
+}
+
+function addRunDependency(id) {
+  runDependencies++;
+  Module["monitorRunDependencies"]?.(runDependencies);
+}
+
+function removeRunDependency(id) {
+  runDependencies--;
+  Module["monitorRunDependencies"]?.(runDependencies);
+  if (runDependencies == 0) {
+    if (dependenciesFulfilled) {
+      var callback = dependenciesFulfilled;
+      dependenciesFulfilled = null;
+      callback();
+    }
+  }
+}
+
+/** @param {string|number=} what */ function abort(what) {
+  Module["onAbort"]?.(what);
+  what = "Aborted(" + what + ")";
+  // TODO(sbc): Should we remove printing and leave it up to whoever
+  // catches the exception?
+  err(what);
+  ABORT = true;
+  what += ". Build with -sASSERTIONS for more info.";
+  // Use a wasm runtime error, because a JS error might be seen as a foreign
+  // exception, which means we'd run destructors on it. We need the error to
+  // simply make the program stop.
+  // FIXME This approach does not work in Wasm EH because it currently does not assume
+  // all RuntimeErrors are from traps; it decides whether a RuntimeError is from
+  // a trap or not based on a hidden field within the object. So at the moment
+  // we don't have a way of throwing a wasm trap from JS. TODO Make a JS API that
+  // allows this in the wasm spec.
+  // Suppress closure compiler warning here. Closure compiler's builtin extern
+  // definition for WebAssembly.RuntimeError claims it takes no arguments even
+  // though it can.
+  // TODO(https://github.com/google/closure-compiler/pull/3913): Remove if/when upstream closure gets fixed.
+  /** @suppress {checkTypes} */ var e = new WebAssembly.RuntimeError(what);
+  readyPromiseReject(e);
+  // Throw the error whether or not MODULARIZE is set because abort is used
+  // in code paths apart from instantiation where an exception is expected
+  // to be thrown when abort is called.
+  throw e;
+}
+
+var wasmBinaryFile;
+
+function findWasmBinary() {
+  return locateFile("lved-runtime.wasm");
+}
+
+function getBinarySync(file) {
+  if (file == wasmBinaryFile && wasmBinary) {
+    return new Uint8Array(wasmBinary);
+  }
+  if (readBinary) {
+    return readBinary(file);
+  }
+  throw "both async and sync fetching of the wasm failed";
+}
+
+async function getWasmBinary(binaryFile) {
+  // If we don't have the binary yet, load it asynchronously using readAsync.
+  if (!wasmBinary) {
+    // Fetch the binary using readAsync
+    try {
+      var response = await readAsync(binaryFile);
+      return new Uint8Array(response);
+    } catch {}
+  }
+  // Otherwise, getBinarySync should be able to get it synchronously
+  return getBinarySync(binaryFile);
+}
+
+async function instantiateArrayBuffer(binaryFile, imports) {
+  try {
+    var binary = await getWasmBinary(binaryFile);
+    var instance = await WebAssembly.instantiate(binary, imports);
+    return instance;
+  } catch (reason) {
+    err(`failed to asynchronously prepare wasm: ${reason}`);
+    abort(reason);
+  }
+}
+
+async function instantiateAsync(binary, binaryFile, imports) {
+  if (!binary && typeof WebAssembly.instantiateStreaming == "function") {
+    try {
+      var response = fetch(binaryFile, {
+        credentials: "same-origin"
+      });
+      var instantiationResult = await WebAssembly.instantiateStreaming(response, imports);
+      return instantiationResult;
+    } catch (reason) {
+      // We expect the most common failure cause to be a bad MIME type for the binary,
+      // in which case falling back to ArrayBuffer instantiation should work.
+      err(`wasm streaming compile failed: ${reason}`);
+      err("falling back to ArrayBuffer instantiation");
+    }
+  }
+  return instantiateArrayBuffer(binaryFile, imports);
+}
+
+function getWasmImports() {
+  // prepare imports
+  return {
+    "env": wasmImports,
+    "wasi_snapshot_preview1": wasmImports
+  };
+}
+
+// Create the wasm instance.
+// Receives the wasm imports, returns the exports.
+async function createWasm() {
+  // Load the wasm module and create an instance of using native support in the JS engine.
+  // handle a generated wasm instance, receiving its exports and
+  // performing other necessary setup
+  /** @param {WebAssembly.Module=} module*/ function receiveInstance(instance, module) {
+    wasmExports = instance.exports;
+    wasmExports = applySignatureConversions(wasmExports);
+    wasmMemory = wasmExports["memory"];
+    updateMemoryViews();
+    wasmTable = wasmExports["__indirect_function_table"];
+    removeRunDependency("wasm-instantiate");
+    return wasmExports;
+  }
+  // wait for the pthread pool (if any)
+  addRunDependency("wasm-instantiate");
+  // Prefer streaming instantiation if available.
+  function receiveInstantiationResult(result) {
+    // 'result' is a ResultObject object which has both the module and instance.
+    // receiveInstance() will swap in the exports (to Module.asm) so they can be called
+    // TODO: Due to Closure regression https://github.com/google/closure-compiler/issues/3193, the above line no longer optimizes out down to the following line.
+    // When the regression is fixed, can restore the above PTHREADS-enabled path.
+    return receiveInstance(result["instance"]);
+  }
+  var info = getWasmImports();
+  // User shell pages can write their own Module.instantiateWasm = function(imports, successCallback) callback
+  // to manually instantiate the Wasm module themselves. This allows pages to
+  // run the instantiation parallel to any other async startup actions they are
+  // performing.
+  // Also pthreads and wasm workers initialize the wasm instance through this
+  // path.
+  if (Module["instantiateWasm"]) {
+    return new Promise((resolve, reject) => {
+      Module["instantiateWasm"](info, (mod, inst) => {
+        receiveInstance(mod, inst);
+        resolve(mod.exports);
+      });
+    });
+  }
+  wasmBinaryFile ??= findWasmBinary();
+  try {
+    var result = await instantiateAsync(wasmBinary, wasmBinaryFile, info);
+    var exports = receiveInstantiationResult(result);
+    return exports;
+  } catch (e) {
+    // If instantiation fails, reject the module ready promise.
+    readyPromiseReject(e);
+    return Promise.reject(e);
+  }
+}
+
+// end include: preamble.js
+// Begin JS library code
+class ExitStatus {
+  name="ExitStatus";
+  constructor(status) {
+    this.message = `Program terminated with exit(${status})`;
+    this.status = status;
+  }
+}
+
+var callRuntimeCallbacks = callbacks => {
+  while (callbacks.length > 0) {
+    // Pass the module as the first argument.
+    callbacks.shift()(Module);
+  }
+};
+
+var onPostRuns = [];
+
+var addOnPostRun = cb => onPostRuns.unshift(cb);
+
+var onPreRuns = [];
+
+var addOnPreRun = cb => onPreRuns.unshift(cb);
+
+/**
+     * @param {number} ptr
+     * @param {string} type
+     */ function getValue(ptr, type = "i8") {
+  if (type.endsWith("*")) type = "*";
+  switch (type) {
+   case "i1":
+    return HEAP8[ptr >>> 0];
+
+   case "i8":
+    return HEAP8[ptr >>> 0];
+
+   case "i16":
+    return HEAP16[((ptr) >>> 1) >>> 0];
+
+   case "i32":
+    return HEAP32[((ptr) >>> 2) >>> 0];
+
+   case "i64":
+    return HEAP64[((ptr) >>> 3)];
+
+   case "float":
+    return HEAPF32[((ptr) >>> 2) >>> 0];
+
+   case "double":
+    return HEAPF64[((ptr) >>> 3) >>> 0];
+
+   case "*":
+    return HEAPU32[((ptr) >>> 2) >>> 0];
+
+   default:
+    abort(`invalid type for getValue: ${type}`);
+  }
+}
+
+var noExitRuntime = Module["noExitRuntime"] || false;
+
+/**
+     * @param {number} ptr
+     * @param {number} value
+     * @param {string} type
+     */ function setValue(ptr, value, type = "i8") {
+  if (type.endsWith("*")) type = "*";
+  switch (type) {
+   case "i1":
+    HEAP8[ptr >>> 0] = value;
+    break;
+
+   case "i8":
+    HEAP8[ptr >>> 0] = value;
+    break;
+
+   case "i16":
+    HEAP16[((ptr) >>> 1) >>> 0] = value;
+    break;
+
+   case "i32":
+    HEAP32[((ptr) >>> 2) >>> 0] = value;
+    break;
+
+   case "i64":
+    HEAP64[((ptr) >>> 3)] = BigInt(value);
+    break;
+
+   case "float":
+    HEAPF32[((ptr) >>> 2) >>> 0] = value;
+    break;
+
+   case "double":
+    HEAPF64[((ptr) >>> 3) >>> 0] = value;
+    break;
+
+   case "*":
+    HEAPU32[((ptr) >>> 2) >>> 0] = value;
+    break;
+
+   default:
+    abort(`invalid type for setValue: ${type}`);
+  }
+}
+
+var stackRestore = val => __emscripten_stack_restore(val);
+
+var stackSave = () => _emscripten_stack_get_current();
+
+var INT53_MAX = 9007199254740992;
+
+var INT53_MIN = -9007199254740992;
+
+var bigintToI53Checked = num => (num < INT53_MIN || num > INT53_MAX) ? NaN : Number(num);
+
+var UTF8Decoder = typeof TextDecoder != "undefined" ? new TextDecoder : undefined;
+
+/**
+     * Given a pointer 'idx' to a null-terminated UTF8-encoded string in the given
+     * array that contains uint8 values, returns a copy of that string as a
+     * Javascript String object.
+     * heapOrArray is either a regular array, or a JavaScript typed array view.
+     * @param {number=} idx
+     * @param {number=} maxBytesToRead
+     * @return {string}
+     */ var UTF8ArrayToString = (heapOrArray, idx = 0, maxBytesToRead = NaN) => {
+  idx >>>= 0;
+  var endIdx = idx + maxBytesToRead;
+  var endPtr = idx;
+  // TextDecoder needs to know the byte length in advance, it doesn't stop on
+  // null terminator by itself.  Also, use the length info to avoid running tiny
+  // strings through TextDecoder, since .subarray() allocates garbage.
+  // (As a tiny code save trick, compare endPtr against endIdx using a negation,
+  // so that undefined/NaN means Infinity)
+  while (heapOrArray[endPtr] && !(endPtr >= endIdx)) ++endPtr;
+  if (endPtr - idx > 16 && heapOrArray.buffer && UTF8Decoder) {
+    return UTF8Decoder.decode(heapOrArray.subarray(idx, endPtr));
+  }
+  var str = "";
+  // If building with TextDecoder, we have already computed the string length
+  // above, so test loop end condition against that
+  while (idx < endPtr) {
+    // For UTF8 byte structure, see:
+    // http://en.wikipedia.org/wiki/UTF-8#Description
+    // https://www.ietf.org/rfc/rfc2279.txt
+    // https://tools.ietf.org/html/rfc3629
+    var u0 = heapOrArray[idx++];
+    if (!(u0 & 128)) {
+      str += String.fromCharCode(u0);
+      continue;
+    }
+    var u1 = heapOrArray[idx++] & 63;
+    if ((u0 & 224) == 192) {
+      str += String.fromCharCode(((u0 & 31) << 6) | u1);
+      continue;
+    }
+    var u2 = heapOrArray[idx++] & 63;
+    if ((u0 & 240) == 224) {
+      u0 = ((u0 & 15) << 12) | (u1 << 6) | u2;
+    } else {
+      u0 = ((u0 & 7) << 18) | (u1 << 12) | (u2 << 6) | (heapOrArray[idx++] & 63);
+    }
+    if (u0 < 65536) {
+      str += String.fromCharCode(u0);
+    } else {
+      var ch = u0 - 65536;
+      str += String.fromCharCode(55296 | (ch >> 10), 56320 | (ch & 1023));
+    }
+  }
+  return str;
+};
+
+/**
+     * Given a pointer 'ptr' to a null-terminated UTF8-encoded string in the
+     * emscripten HEAP, returns a copy of that string as a Javascript String object.
+     *
+     * @param {number} ptr
+     * @param {number=} maxBytesToRead - An optional length that specifies the
+     *   maximum number of bytes to read. You can omit this parameter to scan the
+     *   string until the first 0 byte. If maxBytesToRead is passed, and the string
+     *   at [ptr, ptr+maxBytesToReadr[ contains a null byte in the middle, then the
+     *   string will cut short at that byte index (i.e. maxBytesToRead will not
+     *   produce a string of exact length [ptr, ptr+maxBytesToRead[) N.B. mixing
+     *   frequent uses of UTF8ToString() with and without maxBytesToRead may throw
+     *   JS JIT optimizations off, so it is worth to consider consistently using one
+     * @return {string}
+     */ var UTF8ToString = (ptr, maxBytesToRead) => {
+  ptr >>>= 0;
+  return ptr ? UTF8ArrayToString(HEAPU8, ptr, maxBytesToRead) : "";
+};
+
+function ___assert_fail(condition, filename, line, func) {
+  condition >>>= 0;
+  filename >>>= 0;
+  func >>>= 0;
+  return abort(`Assertion failed: ${UTF8ToString(condition)}, at: ` + [ filename ? UTF8ToString(filename) : "unknown filename", line, func ? UTF8ToString(func) : "unknown function" ]);
+}
+
+/** @suppress {duplicate } */ var syscallGetVarargI = () => {
+  // the `+` prepended here is necessary to convince the JSCompiler that varargs is indeed a number.
+  var ret = HEAP32[((+SYSCALLS.varargs) >>> 2) >>> 0];
+  SYSCALLS.varargs += 4;
+  return ret;
+};
+
+var syscallGetVarargP = syscallGetVarargI;
+
+var PATH = {
+  isAbs: path => path.charAt(0) === "/",
+  splitPath: filename => {
+    var splitPathRe = /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;
+    return splitPathRe.exec(filename).slice(1);
+  },
+  normalizeArray: (parts, allowAboveRoot) => {
+    // if the path tries to go above the root, `up` ends up > 0
+    var up = 0;
+    for (var i = parts.length - 1; i >= 0; i--) {
+      var last = parts[i];
+      if (last === ".") {
+        parts.splice(i, 1);
+      } else if (last === "..") {
+        parts.splice(i, 1);
+        up++;
+      } else if (up) {
+        parts.splice(i, 1);
+        up--;
+      }
+    }
+    // if the path is allowed to go above the root, restore leading ..s
+    if (allowAboveRoot) {
+      for (;up; up--) {
+        parts.unshift("..");
+      }
+    }
+    return parts;
+  },
+  normalize: path => {
+    var isAbsolute = PATH.isAbs(path), trailingSlash = path.slice(-1) === "/";
+    // Normalize the path
+    path = PATH.normalizeArray(path.split("/").filter(p => !!p), !isAbsolute).join("/");
+    if (!path && !isAbsolute) {
+      path = ".";
+    }
+    if (path && trailingSlash) {
+      path += "/";
+    }
+    return (isAbsolute ? "/" : "") + path;
+  },
+  dirname: path => {
+    var result = PATH.splitPath(path), root = result[0], dir = result[1];
+    if (!root && !dir) {
+      // No dirname whatsoever
+      return ".";
+    }
+    if (dir) {
+      // It has a dirname, strip trailing slash
+      dir = dir.slice(0, -1);
+    }
+    return root + dir;
+  },
+  basename: path => path && path.match(/([^\/]+|\/)\/*$/)[1],
+  join: (...paths) => PATH.normalize(paths.join("/")),
+  join2: (l, r) => PATH.normalize(l + "/" + r)
+};
+
+var initRandomFill = () => view => crypto.getRandomValues(view);
+
+var randomFill = view => {
+  // Lazily init on the first invocation.
+  (randomFill = initRandomFill())(view);
+};
+
+var PATH_FS = {
+  resolve: (...args) => {
+    var resolvedPath = "", resolvedAbsolute = false;
+    for (var i = args.length - 1; i >= -1 && !resolvedAbsolute; i--) {
+      var path = (i >= 0) ? args[i] : FS.cwd();
+      // Skip empty and invalid entries
+      if (typeof path != "string") {
+        throw new TypeError("Arguments to path.resolve must be strings");
+      } else if (!path) {
+        return "";
+      }
+      resolvedPath = path + "/" + resolvedPath;
+      resolvedAbsolute = PATH.isAbs(path);
+    }
+    // At this point the path should be resolved to a full absolute path, but
+    // handle relative paths to be safe (might happen when process.cwd() fails)
+    resolvedPath = PATH.normalizeArray(resolvedPath.split("/").filter(p => !!p), !resolvedAbsolute).join("/");
+    return ((resolvedAbsolute ? "/" : "") + resolvedPath) || ".";
+  },
+  relative: (from, to) => {
+    from = PATH_FS.resolve(from).slice(1);
+    to = PATH_FS.resolve(to).slice(1);
+    function trim(arr) {
+      var start = 0;
+      for (;start < arr.length; start++) {
+        if (arr[start] !== "") break;
+      }
+      var end = arr.length - 1;
+      for (;end >= 0; end--) {
+        if (arr[end] !== "") break;
+      }
+      if (start > end) return [];
+      return arr.slice(start, end - start + 1);
+    }
+    var fromParts = trim(from.split("/"));
+    var toParts = trim(to.split("/"));
+    var length = Math.min(fromParts.length, toParts.length);
+    var samePartsLength = length;
+    for (var i = 0; i < length; i++) {
+      if (fromParts[i] !== toParts[i]) {
+        samePartsLength = i;
+        break;
+      }
+    }
+    var outputParts = [];
+    for (var i = samePartsLength; i < fromParts.length; i++) {
+      outputParts.push("..");
+    }
+    outputParts = outputParts.concat(toParts.slice(samePartsLength));
+    return outputParts.join("/");
+  }
+};
+
+var FS_stdin_getChar_buffer = [];
+
+var lengthBytesUTF8 = str => {
+  var len = 0;
+  for (var i = 0; i < str.length; ++i) {
+    // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code
+    // unit, not a Unicode code point of the character! So decode
+    // UTF16->UTF32->UTF8.
+    // See http://unicode.org/faq/utf_bom.html#utf16-3
+    var c = str.charCodeAt(i);
+    // possibly a lead surrogate
+    if (c <= 127) {
+      len++;
+    } else if (c <= 2047) {
+      len += 2;
+    } else if (c >= 55296 && c <= 57343) {
+      len += 4;
+      ++i;
+    } else {
+      len += 3;
+    }
+  }
+  return len;
+};
+
+var stringToUTF8Array = (str, heap, outIdx, maxBytesToWrite) => {
+  outIdx >>>= 0;
+  // Parameter maxBytesToWrite is not optional. Negative values, 0, null,
+  // undefined and false each don't write out any bytes.
+  if (!(maxBytesToWrite > 0)) return 0;
+  var startIdx = outIdx;
+  var endIdx = outIdx + maxBytesToWrite - 1;
+  // -1 for string null terminator.
+  for (var i = 0; i < str.length; ++i) {
+    // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code
+    // unit, not a Unicode code point of the character! So decode
+    // UTF16->UTF32->UTF8.
+    // See http://unicode.org/faq/utf_bom.html#utf16-3
+    // For UTF8 byte structure, see http://en.wikipedia.org/wiki/UTF-8#Description
+    // and https://www.ietf.org/rfc/rfc2279.txt
+    // and https://tools.ietf.org/html/rfc3629
+    var u = str.charCodeAt(i);
+    // possibly a lead surrogate
+    if (u >= 55296 && u <= 57343) {
+      var u1 = str.charCodeAt(++i);
+      u = 65536 + ((u & 1023) << 10) | (u1 & 1023);
+    }
+    if (u <= 127) {
+      if (outIdx >= endIdx) break;
+      heap[outIdx++ >>> 0] = u;
+    } else if (u <= 2047) {
+      if (outIdx + 1 >= endIdx) break;
+      heap[outIdx++ >>> 0] = 192 | (u >> 6);
+      heap[outIdx++ >>> 0] = 128 | (u & 63);
+    } else if (u <= 65535) {
+      if (outIdx + 2 >= endIdx) break;
+      heap[outIdx++ >>> 0] = 224 | (u >> 12);
+      heap[outIdx++ >>> 0] = 128 | ((u >> 6) & 63);
+      heap[outIdx++ >>> 0] = 128 | (u & 63);
+    } else {
+      if (outIdx + 3 >= endIdx) break;
+      heap[outIdx++ >>> 0] = 240 | (u >> 18);
+      heap[outIdx++ >>> 0] = 128 | ((u >> 12) & 63);
+      heap[outIdx++ >>> 0] = 128 | ((u >> 6) & 63);
+      heap[outIdx++ >>> 0] = 128 | (u & 63);
+    }
+  }
+  // Null-terminate the pointer to the buffer.
+  heap[outIdx >>> 0] = 0;
+  return outIdx - startIdx;
+};
+
+/** @type {function(string, boolean=, number=)} */ var intArrayFromString = (stringy, dontAddNull, length) => {
+  var len = length > 0 ? length : lengthBytesUTF8(stringy) + 1;
+  var u8array = new Array(len);
+  var numBytesWritten = stringToUTF8Array(stringy, u8array, 0, u8array.length);
+  if (dontAddNull) u8array.length = numBytesWritten;
+  return u8array;
+};
+
+var FS_stdin_getChar = () => {
+  if (!FS_stdin_getChar_buffer.length) {
+    var result = null;
+    if (typeof window != "undefined" && typeof window.prompt == "function") {
+      // Browser.
+      result = window.prompt("Input: ");
+      // returns null on cancel
+      if (result !== null) {
+        result += "\n";
+      }
+    } else {}
+    if (!result) {
+      return null;
+    }
+    FS_stdin_getChar_buffer = intArrayFromString(result, true);
+  }
+  return FS_stdin_getChar_buffer.shift();
+};
+
+var TTY = {
+  ttys: [],
+  init() {},
+  shutdown() {},
+  register(dev, ops) {
+    TTY.ttys[dev] = {
+      input: [],
+      output: [],
+      ops
+    };
+    FS.registerDevice(dev, TTY.stream_ops);
+  },
+  stream_ops: {
+    open(stream) {
+      var tty = TTY.ttys[stream.node.rdev];
+      if (!tty) {
+        throw new FS.ErrnoError(43);
+      }
+      stream.tty = tty;
+      stream.seekable = false;
+    },
+    close(stream) {
+      // flush any pending line data
+      stream.tty.ops.fsync(stream.tty);
+    },
+    fsync(stream) {
+      stream.tty.ops.fsync(stream.tty);
+    },
+    read(stream, buffer, offset, length, pos) {
+      if (!stream.tty || !stream.tty.ops.get_char) {
+        throw new FS.ErrnoError(60);
+      }
+      var bytesRead = 0;
+      for (var i = 0; i < length; i++) {
+        var result;
+        try {
+          result = stream.tty.ops.get_char(stream.tty);
+        } catch (e) {
+          throw new FS.ErrnoError(29);
+        }
+        if (result === undefined && bytesRead === 0) {
+          throw new FS.ErrnoError(6);
+        }
+        if (result === null || result === undefined) break;
+        bytesRead++;
+        buffer[offset + i] = result;
+      }
+      if (bytesRead) {
+        stream.node.atime = Date.now();
+      }
+      return bytesRead;
+    },
+    write(stream, buffer, offset, length, pos) {
+      if (!stream.tty || !stream.tty.ops.put_char) {
+        throw new FS.ErrnoError(60);
+      }
+      try {
+        for (var i = 0; i < length; i++) {
+          stream.tty.ops.put_char(stream.tty, buffer[offset + i]);
+        }
+      } catch (e) {
+        throw new FS.ErrnoError(29);
+      }
+      if (length) {
+        stream.node.mtime = stream.node.ctime = Date.now();
+      }
+      return i;
+    }
+  },
+  default_tty_ops: {
+    get_char(tty) {
+      return FS_stdin_getChar();
+    },
+    put_char(tty, val) {
+      if (val === null || val === 10) {
+        out(UTF8ArrayToString(tty.output));
+        tty.output = [];
+      } else {
+        if (val != 0) tty.output.push(val);
+      }
+    },
+    fsync(tty) {
+      if (tty.output?.length > 0) {
+        out(UTF8ArrayToString(tty.output));
+        tty.output = [];
+      }
+    },
+    ioctl_tcgets(tty) {
+      // typical setting
+      return {
+        c_iflag: 25856,
+        c_oflag: 5,
+        c_cflag: 191,
+        c_lflag: 35387,
+        c_cc: [ 3, 28, 127, 21, 4, 0, 1, 0, 17, 19, 26, 0, 18, 15, 23, 22, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ]
+      };
+    },
+    ioctl_tcsets(tty, optional_actions, data) {
+      // currently just ignore
+      return 0;
+    },
+    ioctl_tiocgwinsz(tty) {
+      return [ 24, 80 ];
+    }
+  },
+  default_tty1_ops: {
+    put_char(tty, val) {
+      if (val === null || val === 10) {
+        err(UTF8ArrayToString(tty.output));
+        tty.output = [];
+      } else {
+        if (val != 0) tty.output.push(val);
+      }
+    },
+    fsync(tty) {
+      if (tty.output?.length > 0) {
+        err(UTF8ArrayToString(tty.output));
+        tty.output = [];
+      }
+    }
+  }
+};
+
+var mmapAlloc = size => {
+  abort();
+};
+
+var MEMFS = {
+  ops_table: null,
+  mount(mount) {
+    return MEMFS.createNode(null, "/", 16895, 0);
+  },
+  createNode(parent, name, mode, dev) {
+    if (FS.isBlkdev(mode) || FS.isFIFO(mode)) {
+      // no supported
+      throw new FS.ErrnoError(63);
+    }
+    MEMFS.ops_table ||= {
+      dir: {
+        node: {
+          getattr: MEMFS.node_ops.getattr,
+          setattr: MEMFS.node_ops.setattr,
+          lookup: MEMFS.node_ops.lookup,
+          mknod: MEMFS.node_ops.mknod,
+          rename: MEMFS.node_ops.rename,
+          unlink: MEMFS.node_ops.unlink,
+          rmdir: MEMFS.node_ops.rmdir,
+          readdir: MEMFS.node_ops.readdir,
+          symlink: MEMFS.node_ops.symlink
+        },
+        stream: {
+          llseek: MEMFS.stream_ops.llseek
+        }
+      },
+      file: {
+        node: {
+          getattr: MEMFS.node_ops.getattr,
+          setattr: MEMFS.node_ops.setattr
+        },
+        stream: {
+          llseek: MEMFS.stream_ops.llseek,
+          read: MEMFS.stream_ops.read,
+          write: MEMFS.stream_ops.write,
+          mmap: MEMFS.stream_ops.mmap,
+          msync: MEMFS.stream_ops.msync
+        }
+      },
+      link: {
+        node: {
+          getattr: MEMFS.node_ops.getattr,
+          setattr: MEMFS.node_ops.setattr,
+          readlink: MEMFS.node_ops.readlink
+        },
+        stream: {}
+      },
+      chrdev: {
+        node: {
+          getattr: MEMFS.node_ops.getattr,
+          setattr: MEMFS.node_ops.setattr
+        },
+        stream: FS.chrdev_stream_ops
+      }
+    };
+    var node = FS.createNode(parent, name, mode, dev);
+    if (FS.isDir(node.mode)) {
+      node.node_ops = MEMFS.ops_table.dir.node;
+      node.stream_ops = MEMFS.ops_table.dir.stream;
+      node.contents = {};
+    } else if (FS.isFile(node.mode)) {
+      node.node_ops = MEMFS.ops_table.file.node;
+      node.stream_ops = MEMFS.ops_table.file.stream;
+      node.usedBytes = 0;
+      // The actual number of bytes used in the typed array, as opposed to contents.length which gives the whole capacity.
+      // When the byte data of the file is populated, this will point to either a typed array, or a normal JS array. Typed arrays are preferred
+      // for performance, and used by default. However, typed arrays are not resizable like normal JS arrays are, so there is a small disk size
+      // penalty involved for appending file writes that continuously grow a file similar to std::vector capacity vs used -scheme.
+      node.contents = null;
+    } else if (FS.isLink(node.mode)) {
+      node.node_ops = MEMFS.ops_table.link.node;
+      node.stream_ops = MEMFS.ops_table.link.stream;
+    } else if (FS.isChrdev(node.mode)) {
+      node.node_ops = MEMFS.ops_table.chrdev.node;
+      node.stream_ops = MEMFS.ops_table.chrdev.stream;
+    }
+    node.atime = node.mtime = node.ctime = Date.now();
+    // add the new node to the parent
+    if (parent) {
+      parent.contents[name] = node;
+      parent.atime = parent.mtime = parent.ctime = node.atime;
+    }
+    return node;
+  },
+  getFileDataAsTypedArray(node) {
+    if (!node.contents) return new Uint8Array(0);
+    if (node.contents.subarray) return node.contents.subarray(0, node.usedBytes);
+    // Make sure to not return excess unused bytes.
+    return new Uint8Array(node.contents);
+  },
+  expandFileStorage(node, newCapacity) {
+    var prevCapacity = node.contents ? node.contents.length : 0;
+    if (prevCapacity >= newCapacity) return;
+    // No need to expand, the storage was already large enough.
+    // Don't expand strictly to the given requested limit if it's only a very small increase, but instead geometrically grow capacity.
+    // For small filesizes (<1MB), perform size*2 geometric increase, but for large sizes, do a much more conservative size*1.125 increase to
+    // avoid overshooting the allocation cap by a very large margin.
+    var CAPACITY_DOUBLING_MAX = 1024 * 1024;
+    newCapacity = Math.max(newCapacity, (prevCapacity * (prevCapacity < CAPACITY_DOUBLING_MAX ? 2 : 1.125)) >>> 0);
+    if (prevCapacity != 0) newCapacity = Math.max(newCapacity, 256);
+    // At minimum allocate 256b for each file when expanding.
+    var oldContents = node.contents;
+    node.contents = new Uint8Array(newCapacity);
+    // Allocate new storage.
+    if (node.usedBytes > 0) node.contents.set(oldContents.subarray(0, node.usedBytes), 0);
+  },
+  resizeFileStorage(node, newSize) {
+    if (node.usedBytes == newSize) return;
+    if (newSize == 0) {
+      node.contents = null;
+      // Fully decommit when requesting a resize to zero.
+      node.usedBytes = 0;
+    } else {
+      var oldContents = node.contents;
+      node.contents = new Uint8Array(newSize);
+      // Allocate new storage.
+      if (oldContents) {
+        node.contents.set(oldContents.subarray(0, Math.min(newSize, node.usedBytes)));
+      }
+      node.usedBytes = newSize;
+    }
+  },
+  node_ops: {
+    getattr(node) {
+      var attr = {};
+      // device numbers reuse inode numbers.
+      attr.dev = FS.isChrdev(node.mode) ? node.id : 1;
+      attr.ino = node.id;
+      attr.mode = node.mode;
+      attr.nlink = 1;
+      attr.uid = 0;
+      attr.gid = 0;
+      attr.rdev = node.rdev;
+      if (FS.isDir(node.mode)) {
+        attr.size = 4096;
+      } else if (FS.isFile(node.mode)) {
+        attr.size = node.usedBytes;
+      } else if (FS.isLink(node.mode)) {
+        attr.size = node.link.length;
+      } else {
+        attr.size = 0;
+      }
+      attr.atime = new Date(node.atime);
+      attr.mtime = new Date(node.mtime);
+      attr.ctime = new Date(node.ctime);
+      // NOTE: In our implementation, st_blocks = Math.ceil(st_size/st_blksize),
+      //       but this is not required by the standard.
+      attr.blksize = 4096;
+      attr.blocks = Math.ceil(attr.size / attr.blksize);
+      return attr;
+    },
+    setattr(node, attr) {
+      for (const key of [ "mode", "atime", "mtime", "ctime" ]) {
+        if (attr[key] != null) {
+          node[key] = attr[key];
+        }
+      }
+      if (attr.size !== undefined) {
+        MEMFS.resizeFileStorage(node, attr.size);
+      }
+    },
+    lookup(parent, name) {
+      throw MEMFS.doesNotExistError;
+    },
+    mknod(parent, name, mode, dev) {
+      return MEMFS.createNode(parent, name, mode, dev);
+    },
+    rename(old_node, new_dir, new_name) {
+      var new_node;
+      try {
+        new_node = FS.lookupNode(new_dir, new_name);
+      } catch (e) {}
+      if (new_node) {
+        if (FS.isDir(old_node.mode)) {
+          // if we're overwriting a directory at new_name, make sure it's empty.
+          for (var i in new_node.contents) {
+            throw new FS.ErrnoError(55);
+          }
+        }
+        FS.hashRemoveNode(new_node);
+      }
+      // do the internal rewiring
+      delete old_node.parent.contents[old_node.name];
+      new_dir.contents[new_name] = old_node;
+      old_node.name = new_name;
+      new_dir.ctime = new_dir.mtime = old_node.parent.ctime = old_node.parent.mtime = Date.now();
+    },
+    unlink(parent, name) {
+      delete parent.contents[name];
+      parent.ctime = parent.mtime = Date.now();
+    },
+    rmdir(parent, name) {
+      var node = FS.lookupNode(parent, name);
+      for (var i in node.contents) {
+        throw new FS.ErrnoError(55);
+      }
+      delete parent.contents[name];
+      parent.ctime = parent.mtime = Date.now();
+    },
+    readdir(node) {
+      return [ ".", "..", ...Object.keys(node.contents) ];
+    },
+    symlink(parent, newname, oldpath) {
+      var node = MEMFS.createNode(parent, newname, 511 | 40960, 0);
+      node.link = oldpath;
+      return node;
+    },
+    readlink(node) {
+      if (!FS.isLink(node.mode)) {
+        throw new FS.ErrnoError(28);
+      }
+      return node.link;
+    }
+  },
+  stream_ops: {
+    read(stream, buffer, offset, length, position) {
+      var contents = stream.node.contents;
+      if (position >= stream.node.usedBytes) return 0;
+      var size = Math.min(stream.node.usedBytes - position, length);
+      if (size > 8 && contents.subarray) {
+        // non-trivial, and typed array
+        buffer.set(contents.subarray(position, position + size), offset);
+      } else {
+        for (var i = 0; i < size; i++) buffer[offset + i] = contents[position + i];
+      }
+      return size;
+    },
+    write(stream, buffer, offset, length, position, canOwn) {
+      // If the buffer is located in main memory (HEAP), and if
+      // memory can grow, we can't hold on to references of the
+      // memory buffer, as they may get invalidated. That means we
+      // need to do copy its contents.
+      if (buffer.buffer === HEAP8.buffer) {
+        canOwn = false;
+      }
+      if (!length) return 0;
+      var node = stream.node;
+      node.mtime = node.ctime = Date.now();
+      if (buffer.subarray && (!node.contents || node.contents.subarray)) {
+        // This write is from a typed array to a typed array?
+        if (canOwn) {
+          node.contents = buffer.subarray(offset, offset + length);
+          node.usedBytes = length;
+          return length;
+        } else if (node.usedBytes === 0 && position === 0) {
+          // If this is a simple first write to an empty file, do a fast set since we don't need to care about old data.
+          node.contents = buffer.slice(offset, offset + length);
+          node.usedBytes = length;
+          return length;
+        } else if (position + length <= node.usedBytes) {
+          // Writing to an already allocated and used subrange of the file?
+          node.contents.set(buffer.subarray(offset, offset + length), position);
+          return length;
+        }
+      }
+      // Appending to an existing file and we need to reallocate, or source data did not come as a typed array.
+      MEMFS.expandFileStorage(node, position + length);
+      if (node.contents.subarray && buffer.subarray) {
+        // Use typed array write which is available.
+        node.contents.set(buffer.subarray(offset, offset + length), position);
+      } else {
+        for (var i = 0; i < length; i++) {
+          node.contents[position + i] = buffer[offset + i];
+        }
+      }
+      node.usedBytes = Math.max(node.usedBytes, position + length);
+      return length;
+    },
+    llseek(stream, offset, whence) {
+      var position = offset;
+      if (whence === 1) {
+        position += stream.position;
+      } else if (whence === 2) {
+        if (FS.isFile(stream.node.mode)) {
+          position += stream.node.usedBytes;
+        }
+      }
+      if (position < 0) {
+        throw new FS.ErrnoError(28);
+      }
+      return position;
+    },
+    mmap(stream, length, position, prot, flags) {
+      if (!FS.isFile(stream.node.mode)) {
+        throw new FS.ErrnoError(43);
+      }
+      var ptr;
+      var allocated;
+      var contents = stream.node.contents;
+      // Only make a new copy when MAP_PRIVATE is specified.
+      if (!(flags & 2) && contents && contents.buffer === HEAP8.buffer) {
+        // We can't emulate MAP_SHARED when the file is not backed by the
+        // buffer we're mapping to (e.g. the HEAP buffer).
+        allocated = false;
+        ptr = contents.byteOffset;
+      } else {
+        allocated = true;
+        ptr = mmapAlloc(length);
+        if (!ptr) {
+          throw new FS.ErrnoError(48);
+        }
+        if (contents) {
+          // Try to avoid unnecessary slices.
+          if (position > 0 || position + length < contents.length) {
+            if (contents.subarray) {
+              contents = contents.subarray(position, position + length);
+            } else {
+              contents = Array.prototype.slice.call(contents, position, position + length);
+            }
+          }
+          HEAP8.set(contents, ptr >>> 0);
+        }
+      }
+      return {
+        ptr,
+        allocated
+      };
+    },
+    msync(stream, buffer, offset, length, mmapFlags) {
+      MEMFS.stream_ops.write(stream, buffer, 0, length, offset, false);
+      // should we check if bytesWritten and length are the same?
+      return 0;
+    }
+  }
+};
+
+var asyncLoad = async url => {
+  var arrayBuffer = await readAsync(url);
+  return new Uint8Array(arrayBuffer);
+};
+
+var FS_createDataFile = (parent, name, fileData, canRead, canWrite, canOwn) => {
+  FS.createDataFile(parent, name, fileData, canRead, canWrite, canOwn);
+};
+
+var preloadPlugins = Module["preloadPlugins"] || [];
+
+var FS_handledByPreloadPlugin = (byteArray, fullname, finish, onerror) => {
+  // Ensure plugins are ready.
+  if (typeof Browser != "undefined") Browser.init();
+  var handled = false;
+  preloadPlugins.forEach(plugin => {
+    if (handled) return;
+    if (plugin["canHandle"](fullname)) {
+      plugin["handle"](byteArray, fullname, finish, onerror);
+      handled = true;
+    }
+  });
+  return handled;
+};
+
+var FS_createPreloadedFile = (parent, name, url, canRead, canWrite, onload, onerror, dontCreateFile, canOwn, preFinish) => {
+  // TODO we should allow people to just pass in a complete filename instead
+  // of parent and name being that we just join them anyways
+  var fullname = name ? PATH_FS.resolve(PATH.join2(parent, name)) : parent;
+  var dep = getUniqueRunDependency(`cp ${fullname}`);
+  // might have several active requests for the same fullname
+  function processData(byteArray) {
+    function finish(byteArray) {
+      preFinish?.();
+      if (!dontCreateFile) {
+        FS_createDataFile(parent, name, byteArray, canRead, canWrite, canOwn);
+      }
+      onload?.();
+      removeRunDependency(dep);
+    }
+    if (FS_handledByPreloadPlugin(byteArray, fullname, finish, () => {
+      onerror?.();
+      removeRunDependency(dep);
+    })) {
+      return;
+    }
+    finish(byteArray);
+  }
+  addRunDependency(dep);
+  if (typeof url == "string") {
+    asyncLoad(url).then(processData, onerror);
+  } else {
+    processData(url);
+  }
+};
+
+var FS_modeStringToFlags = str => {
+  var flagModes = {
+    "r": 0,
+    "r+": 2,
+    "w": 512 | 64 | 1,
+    "w+": 512 | 64 | 2,
+    "a": 1024 | 64 | 1,
+    "a+": 1024 | 64 | 2
+  };
+  var flags = flagModes[str];
+  if (typeof flags == "undefined") {
+    throw new Error(`Unknown file open mode: ${str}`);
+  }
+  return flags;
+};
+
+var FS_getMode = (canRead, canWrite) => {
+  var mode = 0;
+  if (canRead) mode |= 292 | 73;
+  if (canWrite) mode |= 146;
+  return mode;
+};
+
+var FS = {
+  root: null,
+  mounts: [],
+  devices: {},
+  streams: [],
+  nextInode: 1,
+  nameTable: null,
+  currentPath: "/",
+  initialized: false,
+  ignorePermissions: true,
+  filesystems: null,
+  syncFSRequests: 0,
+  readFiles: {},
+  ErrnoError: class {
+    name="ErrnoError";
+    // We set the `name` property to be able to identify `FS.ErrnoError`
+    // - the `name` is a standard ECMA-262 property of error objects. Kind of good to have it anyway.
+    // - when using PROXYFS, an error can come from an underlying FS
+    // as different FS objects have their own FS.ErrnoError each,
+    // the test `err instanceof FS.ErrnoError` won't detect an error coming from another filesystem, causing bugs.
+    // we'll use the reliable test `err.name == "ErrnoError"` instead
+    constructor(errno) {
+      this.errno = errno;
+    }
+  },
+  FSStream: class {
+    shared={};
+    get object() {
+      return this.node;
+    }
+    set object(val) {
+      this.node = val;
+    }
+    get isRead() {
+      return (this.flags & 2097155) !== 1;
+    }
+    get isWrite() {
+      return (this.flags & 2097155) !== 0;
+    }
+    get isAppend() {
+      return (this.flags & 1024);
+    }
+    get flags() {
+      return this.shared.flags;
+    }
+    set flags(val) {
+      this.shared.flags = val;
+    }
+    get position() {
+      return this.shared.position;
+    }
+    set position(val) {
+      this.shared.position = val;
+    }
+  },
+  FSNode: class {
+    node_ops={};
+    stream_ops={};
+    readMode=292 | 73;
+    writeMode=146;
+    mounted=null;
+    constructor(parent, name, mode, rdev) {
+      if (!parent) {
+        parent = this;
+      }
+      this.parent = parent;
+      this.mount = parent.mount;
+      this.id = FS.nextInode++;
+      this.name = name;
+      this.mode = mode;
+      this.rdev = rdev;
+      this.atime = this.mtime = this.ctime = Date.now();
+    }
+    get read() {
+      return (this.mode & this.readMode) === this.readMode;
+    }
+    set read(val) {
+      val ? this.mode |= this.readMode : this.mode &= ~this.readMode;
+    }
+    get write() {
+      return (this.mode & this.writeMode) === this.writeMode;
+    }
+    set write(val) {
+      val ? this.mode |= this.writeMode : this.mode &= ~this.writeMode;
+    }
+    get isFolder() {
+      return FS.isDir(this.mode);
+    }
+    get isDevice() {
+      return FS.isChrdev(this.mode);
+    }
+  },
+  lookupPath(path, opts = {}) {
+    if (!path) {
+      throw new FS.ErrnoError(44);
+    }
+    opts.follow_mount ??= true;
+    if (!PATH.isAbs(path)) {
+      path = FS.cwd() + "/" + path;
+    }
+    // limit max consecutive symlinks to 40 (SYMLOOP_MAX).
+    linkloop: for (var nlinks = 0; nlinks < 40; nlinks++) {
+      // split the absolute path
+      var parts = path.split("/").filter(p => !!p);
+      // start at the root
+      var current = FS.root;
+      var current_path = "/";
+      for (var i = 0; i < parts.length; i++) {
+        var islast = (i === parts.length - 1);
+        if (islast && opts.parent) {
+          // stop resolving
+          break;
+        }
+        if (parts[i] === ".") {
+          continue;
+        }
+        if (parts[i] === "..") {
+          current_path = PATH.dirname(current_path);
+          current = current.parent;
+          continue;
+        }
+        current_path = PATH.join2(current_path, parts[i]);
+        try {
+          current = FS.lookupNode(current, parts[i]);
+        } catch (e) {
+          // if noent_okay is true, suppress a ENOENT in the last component
+          // and return an object with an undefined node. This is needed for
+          // resolving symlinks in the path when creating a file.
+          if ((e?.errno === 44) && islast && opts.noent_okay) {
+            return {
+              path: current_path
+            };
+          }
+          throw e;
+        }
+        // jump to the mount's root node if this is a mountpoint
+        if (FS.isMountpoint(current) && (!islast || opts.follow_mount)) {
+          current = current.mounted.root;
+        }
+        // by default, lookupPath will not follow a symlink if it is the final path component.
+        // setting opts.follow = true will override this behavior.
+        if (FS.isLink(current.mode) && (!islast || opts.follow)) {
+          if (!current.node_ops.readlink) {
+            throw new FS.ErrnoError(52);
+          }
+          var link = current.node_ops.readlink(current);
+          if (!PATH.isAbs(link)) {
+            link = PATH.dirname(current_path) + "/" + link;
+          }
+          path = link + "/" + parts.slice(i + 1).join("/");
+          continue linkloop;
+        }
+      }
+      return {
+        path: current_path,
+        node: current
+      };
+    }
+    throw new FS.ErrnoError(32);
+  },
+  getPath(node) {
+    var path;
+    while (true) {
+      if (FS.isRoot(node)) {
+        var mount = node.mount.mountpoint;
+        if (!path) return mount;
+        return mount[mount.length - 1] !== "/" ? `${mount}/${path}` : mount + path;
+      }
+      path = path ? `${node.name}/${path}` : node.name;
+      node = node.parent;
+    }
+  },
+  hashName(parentid, name) {
+    var hash = 0;
+    for (var i = 0; i < name.length; i++) {
+      hash = ((hash << 5) - hash + name.charCodeAt(i)) | 0;
+    }
+    return ((parentid + hash) >>> 0) % FS.nameTable.length;
+  },
+  hashAddNode(node) {
+    var hash = FS.hashName(node.parent.id, node.name);
+    node.name_next = FS.nameTable[hash];
+    FS.nameTable[hash] = node;
+  },
+  hashRemoveNode(node) {
+    var hash = FS.hashName(node.parent.id, node.name);
+    if (FS.nameTable[hash] === node) {
+      FS.nameTable[hash] = node.name_next;
+    } else {
+      var current = FS.nameTable[hash];
+      while (current) {
+        if (current.name_next === node) {
+          current.name_next = node.name_next;
+          break;
+        }
+        current = current.name_next;
+      }
+    }
+  },
+  lookupNode(parent, name) {
+    var errCode = FS.mayLookup(parent);
+    if (errCode) {
+      throw new FS.ErrnoError(errCode);
+    }
+    var hash = FS.hashName(parent.id, name);
+    for (var node = FS.nameTable[hash]; node; node = node.name_next) {
+      var nodeName = node.name;
+      if (node.parent.id === parent.id && nodeName === name) {
+        return node;
+      }
+    }
+    // if we failed to find it in the cache, call into the VFS
+    return FS.lookup(parent, name);
+  },
+  createNode(parent, name, mode, rdev) {
+    var node = new FS.FSNode(parent, name, mode, rdev);
+    FS.hashAddNode(node);
+    return node;
+  },
+  destroyNode(node) {
+    FS.hashRemoveNode(node);
+  },
+  isRoot(node) {
+    return node === node.parent;
+  },
+  isMountpoint(node) {
+    return !!node.mounted;
+  },
+  isFile(mode) {
+    return (mode & 61440) === 32768;
+  },
+  isDir(mode) {
+    return (mode & 61440) === 16384;
+  },
+  isLink(mode) {
+    return (mode & 61440) === 40960;
+  },
+  isChrdev(mode) {
+    return (mode & 61440) === 8192;
+  },
+  isBlkdev(mode) {
+    return (mode & 61440) === 24576;
+  },
+  isFIFO(mode) {
+    return (mode & 61440) === 4096;
+  },
+  isSocket(mode) {
+    return (mode & 49152) === 49152;
+  },
+  flagsToPermissionString(flag) {
+    var perms = [ "r", "w", "rw" ][flag & 3];
+    if ((flag & 512)) {
+      perms += "w";
+    }
+    return perms;
+  },
+  nodePermissions(node, perms) {
+    if (FS.ignorePermissions) {
+      return 0;
+    }
+    // return 0 if any user, group or owner bits are set.
+    if (perms.includes("r") && !(node.mode & 292)) {
+      return 2;
+    } else if (perms.includes("w") && !(node.mode & 146)) {
+      return 2;
+    } else if (perms.includes("x") && !(node.mode & 73)) {
+      return 2;
+    }
+    return 0;
+  },
+  mayLookup(dir) {
+    if (!FS.isDir(dir.mode)) return 54;
+    var errCode = FS.nodePermissions(dir, "x");
+    if (errCode) return errCode;
+    if (!dir.node_ops.lookup) return 2;
+    return 0;
+  },
+  mayCreate(dir, name) {
+    if (!FS.isDir(dir.mode)) {
+      return 54;
+    }
+    try {
+      var node = FS.lookupNode(dir, name);
+      return 20;
+    } catch (e) {}
+    return FS.nodePermissions(dir, "wx");
+  },
+  mayDelete(dir, name, isdir) {
+    var node;
+    try {
+      node = FS.lookupNode(dir, name);
+    } catch (e) {
+      return e.errno;
+    }
+    var errCode = FS.nodePermissions(dir, "wx");
+    if (errCode) {
+      return errCode;
+    }
+    if (isdir) {
+      if (!FS.isDir(node.mode)) {
+        return 54;
+      }
+      if (FS.isRoot(node) || FS.getPath(node) === FS.cwd()) {
+        return 10;
+      }
+    } else {
+      if (FS.isDir(node.mode)) {
+        return 31;
+      }
+    }
+    return 0;
+  },
+  mayOpen(node, flags) {
+    if (!node) {
+      return 44;
+    }
+    if (FS.isLink(node.mode)) {
+      return 32;
+    } else if (FS.isDir(node.mode)) {
+      if (FS.flagsToPermissionString(flags) !== "r" || (flags & (512 | 64))) {
+        // TODO: check for O_SEARCH? (== search for dir only)
+        return 31;
+      }
+    }
+    return FS.nodePermissions(node, FS.flagsToPermissionString(flags));
+  },
+  checkOpExists(op, err) {
+    if (!op) {
+      throw new FS.ErrnoError(err);
+    }
+    return op;
+  },
+  MAX_OPEN_FDS: 4096,
+  nextfd() {
+    for (var fd = 0; fd <= FS.MAX_OPEN_FDS; fd++) {
+      if (!FS.streams[fd]) {
+        return fd;
+      }
+    }
+    throw new FS.ErrnoError(33);
+  },
+  getStreamChecked(fd) {
+    var stream = FS.getStream(fd);
+    if (!stream) {
+      throw new FS.ErrnoError(8);
+    }
+    return stream;
+  },
+  getStream: fd => FS.streams[fd],
+  createStream(stream, fd = -1) {
+    // clone it, so we can return an instance of FSStream
+    stream = Object.assign(new FS.FSStream, stream);
+    if (fd == -1) {
+      fd = FS.nextfd();
+    }
+    stream.fd = fd;
+    FS.streams[fd] = stream;
+    return stream;
+  },
+  closeStream(fd) {
+    FS.streams[fd] = null;
+  },
+  dupStream(origStream, fd = -1) {
+    var stream = FS.createStream(origStream, fd);
+    stream.stream_ops?.dup?.(stream);
+    return stream;
+  },
+  doSetAttr(stream, node, attr) {
+    var setattr = stream?.stream_ops.setattr;
+    var arg = setattr ? stream : node;
+    setattr ??= node.node_ops.setattr;
+    FS.checkOpExists(setattr, 63);
+    setattr(arg, attr);
+  },
+  chrdev_stream_ops: {
+    open(stream) {
+      var device = FS.getDevice(stream.node.rdev);
+      // override node's stream ops with the device's
+      stream.stream_ops = device.stream_ops;
+      // forward the open call
+      stream.stream_ops.open?.(stream);
+    },
+    llseek() {
+      throw new FS.ErrnoError(70);
+    }
+  },
+  major: dev => ((dev) >> 8),
+  minor: dev => ((dev) & 255),
+  makedev: (ma, mi) => ((ma) << 8 | (mi)),
+  registerDevice(dev, ops) {
+    FS.devices[dev] = {
+      stream_ops: ops
+    };
+  },
+  getDevice: dev => FS.devices[dev],
+  getMounts(mount) {
+    var mounts = [];
+    var check = [ mount ];
+    while (check.length) {
+      var m = check.pop();
+      mounts.push(m);
+      check.push(...m.mounts);
+    }
+    return mounts;
+  },
+  syncfs(populate, callback) {
+    if (typeof populate == "function") {
+      callback = populate;
+      populate = false;
+    }
+    FS.syncFSRequests++;
+    if (FS.syncFSRequests > 1) {
+      err(`warning: ${FS.syncFSRequests} FS.syncfs operations in flight at once, probably just doing extra work`);
+    }
+    var mounts = FS.getMounts(FS.root.mount);
+    var completed = 0;
+    function doCallback(errCode) {
+      FS.syncFSRequests--;
+      return callback(errCode);
+    }
+    function done(errCode) {
+      if (errCode) {
+        if (!done.errored) {
+          done.errored = true;
+          return doCallback(errCode);
+        }
+        return;
+      }
+      if (++completed >= mounts.length) {
+        doCallback(null);
+      }
+    }
+    // sync all mounts
+    mounts.forEach(mount => {
+      if (!mount.type.syncfs) {
+        return done(null);
+      }
+      mount.type.syncfs(mount, populate, done);
+    });
+  },
+  mount(type, opts, mountpoint) {
+    var root = mountpoint === "/";
+    var pseudo = !mountpoint;
+    var node;
+    if (root && FS.root) {
+      throw new FS.ErrnoError(10);
+    } else if (!root && !pseudo) {
+      var lookup = FS.lookupPath(mountpoint, {
+        follow_mount: false
+      });
+      mountpoint = lookup.path;
+      // use the absolute path
+      node = lookup.node;
+      if (FS.isMountpoint(node)) {
+        throw new FS.ErrnoError(10);
+      }
+      if (!FS.isDir(node.mode)) {
+        throw new FS.ErrnoError(54);
+      }
+    }
+    var mount = {
+      type,
+      opts,
+      mountpoint,
+      mounts: []
+    };
+    // create a root node for the fs
+    var mountRoot = type.mount(mount);
+    mountRoot.mount = mount;
+    mount.root = mountRoot;
+    if (root) {
+      FS.root = mountRoot;
+    } else if (node) {
+      // set as a mountpoint
+      node.mounted = mount;
+      // add the new mount to the current mount's children
+      if (node.mount) {
+        node.mount.mounts.push(mount);
+      }
+    }
+    return mountRoot;
+  },
+  unmount(mountpoint) {
+    var lookup = FS.lookupPath(mountpoint, {
+      follow_mount: false
+    });
+    if (!FS.isMountpoint(lookup.node)) {
+      throw new FS.ErrnoError(28);
+    }
+    // destroy the nodes for this mount, and all its child mounts
+    var node = lookup.node;
+    var mount = node.mounted;
+    var mounts = FS.getMounts(mount);
+    Object.keys(FS.nameTable).forEach(hash => {
+      var current = FS.nameTable[hash];
+      while (current) {
+        var next = current.name_next;
+        if (mounts.includes(current.mount)) {
+          FS.destroyNode(current);
+        }
+        current = next;
+      }
+    });
+    // no longer a mountpoint
+    node.mounted = null;
+    // remove this mount from the child mounts
+    var idx = node.mount.mounts.indexOf(mount);
+    node.mount.mounts.splice(idx, 1);
+  },
+  lookup(parent, name) {
+    return parent.node_ops.lookup(parent, name);
+  },
+  mknod(path, mode, dev) {
+    var lookup = FS.lookupPath(path, {
+      parent: true
+    });
+    var parent = lookup.node;
+    var name = PATH.basename(path);
+    if (!name) {
+      throw new FS.ErrnoError(28);
+    }
+    if (name === "." || name === "..") {
+      throw new FS.ErrnoError(20);
+    }
+    var errCode = FS.mayCreate(parent, name);
+    if (errCode) {
+      throw new FS.ErrnoError(errCode);
+    }
+    if (!parent.node_ops.mknod) {
+      throw new FS.ErrnoError(63);
+    }
+    return parent.node_ops.mknod(parent, name, mode, dev);
+  },
+  statfs(path) {
+    return FS.statfsNode(FS.lookupPath(path, {
+      follow: true
+    }).node);
+  },
+  statfsStream(stream) {
+    // We keep a separate statfsStream function because noderawfs overrides
+    // it. In noderawfs, stream.node is sometimes null. Instead, we need to
+    // look at stream.path.
+    return FS.statfsNode(stream.node);
+  },
+  statfsNode(node) {
+    // NOTE: None of the defaults here are true. We're just returning safe and
+    //       sane values. Currently nodefs and rawfs replace these defaults,
+    //       other file systems leave them alone.
+    var rtn = {
+      bsize: 4096,
+      frsize: 4096,
+      blocks: 1e6,
+      bfree: 5e5,
+      bavail: 5e5,
+      files: FS.nextInode,
+      ffree: FS.nextInode - 1,
+      fsid: 42,
+      flags: 2,
+      namelen: 255
+    };
+    if (node.node_ops.statfs) {
+      Object.assign(rtn, node.node_ops.statfs(node.mount.opts.root));
+    }
+    return rtn;
+  },
+  create(path, mode = 438) {
+    mode &= 4095;
+    mode |= 32768;
+    return FS.mknod(path, mode, 0);
+  },
+  mkdir(path, mode = 511) {
+    mode &= 511 | 512;
+    mode |= 16384;
+    return FS.mknod(path, mode, 0);
+  },
+  mkdirTree(path, mode) {
+    var dirs = path.split("/");
+    var d = "";
+    for (var dir of dirs) {
+      if (!dir) continue;
+      if (d || PATH.isAbs(path)) d += "/";
+      d += dir;
+      try {
+        FS.mkdir(d, mode);
+      } catch (e) {
+        if (e.errno != 20) throw e;
+      }
+    }
+  },
+  mkdev(path, mode, dev) {
+    if (typeof dev == "undefined") {
+      dev = mode;
+      mode = 438;
+    }
+    mode |= 8192;
+    return FS.mknod(path, mode, dev);
+  },
+  symlink(oldpath, newpath) {
+    if (!PATH_FS.resolve(oldpath)) {
+      throw new FS.ErrnoError(44);
+    }
+    var lookup = FS.lookupPath(newpath, {
+      parent: true
+    });
+    var parent = lookup.node;
+    if (!parent) {
+      throw new FS.ErrnoError(44);
+    }
+    var newname = PATH.basename(newpath);
+    var errCode = FS.mayCreate(parent, newname);
+    if (errCode) {
+      throw new FS.ErrnoError(errCode);
+    }
+    if (!parent.node_ops.symlink) {
+      throw new FS.ErrnoError(63);
+    }
+    return parent.node_ops.symlink(parent, newname, oldpath);
+  },
+  rename(old_path, new_path) {
+    var old_dirname = PATH.dirname(old_path);
+    var new_dirname = PATH.dirname(new_path);
+    var old_name = PATH.basename(old_path);
+    var new_name = PATH.basename(new_path);
+    // parents must exist
+    var lookup, old_dir, new_dir;
+    // let the errors from non existent directories percolate up
+    lookup = FS.lookupPath(old_path, {
+      parent: true
+    });
+    old_dir = lookup.node;
+    lookup = FS.lookupPath(new_path, {
+      parent: true
+    });
+    new_dir = lookup.node;
+    if (!old_dir || !new_dir) throw new FS.ErrnoError(44);
+    // need to be part of the same mount
+    if (old_dir.mount !== new_dir.mount) {
+      throw new FS.ErrnoError(75);
+    }
+    // source must exist
+    var old_node = FS.lookupNode(old_dir, old_name);
+    // old path should not be an ancestor of the new path
+    var relative = PATH_FS.relative(old_path, new_dirname);
+    if (relative.charAt(0) !== ".") {
+      throw new FS.ErrnoError(28);
+    }
+    // new path should not be an ancestor of the old path
+    relative = PATH_FS.relative(new_path, old_dirname);
+    if (relative.charAt(0) !== ".") {
+      throw new FS.ErrnoError(55);
+    }
+    // see if the new path already exists
+    var new_node;
+    try {
+      new_node = FS.lookupNode(new_dir, new_name);
+    } catch (e) {}
+    // early out if nothing needs to change
+    if (old_node === new_node) {
+      return;
+    }
+    // we'll need to delete the old entry
+    var isdir = FS.isDir(old_node.mode);
+    var errCode = FS.mayDelete(old_dir, old_name, isdir);
+    if (errCode) {
+      throw new FS.ErrnoError(errCode);
+    }
+    // need delete permissions if we'll be overwriting.
+    // need create permissions if new doesn't already exist.
+    errCode = new_node ? FS.mayDelete(new_dir, new_name, isdir) : FS.mayCreate(new_dir, new_name);
+    if (errCode) {
+      throw new FS.ErrnoError(errCode);
+    }
+    if (!old_dir.node_ops.rename) {
+      throw new FS.ErrnoError(63);
+    }
+    if (FS.isMountpoint(old_node) || (new_node && FS.isMountpoint(new_node))) {
+      throw new FS.ErrnoError(10);
+    }
+    // if we are going to change the parent, check write permissions
+    if (new_dir !== old_dir) {
+      errCode = FS.nodePermissions(old_dir, "w");
+      if (errCode) {
+        throw new FS.ErrnoError(errCode);
+      }
+    }
+    // remove the node from the lookup hash
+    FS.hashRemoveNode(old_node);
+    // do the underlying fs rename
+    try {
+      old_dir.node_ops.rename(old_node, new_dir, new_name);
+      // update old node (we do this here to avoid each backend
+      // needing to)
+      old_node.parent = new_dir;
+    } catch (e) {
+      throw e;
+    } finally {
+      // add the node back to the hash (in case node_ops.rename
+      // changed its name)
+      FS.hashAddNode(old_node);
+    }
+  },
+  rmdir(path) {
+    var lookup = FS.lookupPath(path, {
+      parent: true
+    });
+    var parent = lookup.node;
+    var name = PATH.basename(path);
+    var node = FS.lookupNode(parent, name);
+    var errCode = FS.mayDelete(parent, name, true);
+    if (errCode) {
+      throw new FS.ErrnoError(errCode);
+    }
+    if (!parent.node_ops.rmdir) {
+      throw new FS.ErrnoError(63);
+    }
+    if (FS.isMountpoint(node)) {
+      throw new FS.ErrnoError(10);
+    }
+    parent.node_ops.rmdir(parent, name);
+    FS.destroyNode(node);
+  },
+  readdir(path) {
+    var lookup = FS.lookupPath(path, {
+      follow: true
+    });
+    var node = lookup.node;
+    var readdir = FS.checkOpExists(node.node_ops.readdir, 54);
+    return readdir(node);
+  },
+  unlink(path) {
+    var lookup = FS.lookupPath(path, {
+      parent: true
+    });
+    var parent = lookup.node;
+    if (!parent) {
+      throw new FS.ErrnoError(44);
+    }
+    var name = PATH.basename(path);
+    var node = FS.lookupNode(parent, name);
+    var errCode = FS.mayDelete(parent, name, false);
+    if (errCode) {
+      // According to POSIX, we should map EISDIR to EPERM, but
+      // we instead do what Linux does (and we must, as we use
+      // the musl linux libc).
+      throw new FS.ErrnoError(errCode);
+    }
+    if (!parent.node_ops.unlink) {
+      throw new FS.ErrnoError(63);
+    }
+    if (FS.isMountpoint(node)) {
+      throw new FS.ErrnoError(10);
+    }
+    parent.node_ops.unlink(parent, name);
+    FS.destroyNode(node);
+  },
+  readlink(path) {
+    var lookup = FS.lookupPath(path);
+    var link = lookup.node;
+    if (!link) {
+      throw new FS.ErrnoError(44);
+    }
+    if (!link.node_ops.readlink) {
+      throw new FS.ErrnoError(28);
+    }
+    return link.node_ops.readlink(link);
+  },
+  stat(path, dontFollow) {
+    var lookup = FS.lookupPath(path, {
+      follow: !dontFollow
+    });
+    var node = lookup.node;
+    var getattr = FS.checkOpExists(node.node_ops.getattr, 63);
+    return getattr(node);
+  },
+  fstat(fd) {
+    var stream = FS.getStreamChecked(fd);
+    var node = stream.node;
+    var getattr = stream.stream_ops.getattr;
+    var arg = getattr ? stream : node;
+    getattr ??= node.node_ops.getattr;
+    FS.checkOpExists(getattr, 63);
+    return getattr(arg);
+  },
+  lstat(path) {
+    return FS.stat(path, true);
+  },
+  doChmod(stream, node, mode, dontFollow) {
+    FS.doSetAttr(stream, node, {
+      mode: (mode & 4095) | (node.mode & ~4095),
+      ctime: Date.now(),
+      dontFollow
+    });
+  },
+  chmod(path, mode, dontFollow) {
+    var node;
+    if (typeof path == "string") {
+      var lookup = FS.lookupPath(path, {
+        follow: !dontFollow
+      });
+      node = lookup.node;
+    } else {
+      node = path;
+    }
+    FS.doChmod(null, node, mode, dontFollow);
+  },
+  lchmod(path, mode) {
+    FS.chmod(path, mode, true);
+  },
+  fchmod(fd, mode) {
+    var stream = FS.getStreamChecked(fd);
+    FS.doChmod(stream, stream.node, mode, false);
+  },
+  doChown(stream, node, dontFollow) {
+    FS.doSetAttr(stream, node, {
+      timestamp: Date.now(),
+      dontFollow
+    });
+  },
+  chown(path, uid, gid, dontFollow) {
+    var node;
+    if (typeof path == "string") {
+      var lookup = FS.lookupPath(path, {
+        follow: !dontFollow
+      });
+      node = lookup.node;
+    } else {
+      node = path;
+    }
+    FS.doChown(null, node, dontFollow);
+  },
+  lchown(path, uid, gid) {
+    FS.chown(path, uid, gid, true);
+  },
+  fchown(fd, uid, gid) {
+    var stream = FS.getStreamChecked(fd);
+    FS.doChown(stream, stream.node, false);
+  },
+  doTruncate(stream, node, len) {
+    if (FS.isDir(node.mode)) {
+      throw new FS.ErrnoError(31);
+    }
+    if (!FS.isFile(node.mode)) {
+      throw new FS.ErrnoError(28);
+    }
+    var errCode = FS.nodePermissions(node, "w");
+    if (errCode) {
+      throw new FS.ErrnoError(errCode);
+    }
+    FS.doSetAttr(stream, node, {
+      size: len,
+      timestamp: Date.now()
+    });
+  },
+  truncate(path, len) {
+    if (len < 0) {
+      throw new FS.ErrnoError(28);
+    }
+    var node;
+    if (typeof path == "string") {
+      var lookup = FS.lookupPath(path, {
+        follow: true
+      });
+      node = lookup.node;
+    } else {
+      node = path;
+    }
+    FS.doTruncate(null, node, len);
+  },
+  ftruncate(fd, len) {
+    var stream = FS.getStreamChecked(fd);
+    if (len < 0 || (stream.flags & 2097155) === 0) {
+      throw new FS.ErrnoError(28);
+    }
+    FS.doTruncate(stream, stream.node, len);
+  },
+  utime(path, atime, mtime) {
+    var lookup = FS.lookupPath(path, {
+      follow: true
+    });
+    var node = lookup.node;
+    var setattr = FS.checkOpExists(node.node_ops.setattr, 63);
+    setattr(node, {
+      atime,
+      mtime
+    });
+  },
+  open(path, flags, mode = 438) {
+    if (path === "") {
+      throw new FS.ErrnoError(44);
+    }
+    flags = typeof flags == "string" ? FS_modeStringToFlags(flags) : flags;
+    if ((flags & 64)) {
+      mode = (mode & 4095) | 32768;
+    } else {
+      mode = 0;
+    }
+    var node;
+    var isDirPath;
+    if (typeof path == "object") {
+      node = path;
+    } else {
+      isDirPath = path.endsWith("/");
+      // noent_okay makes it so that if the final component of the path
+      // doesn't exist, lookupPath returns `node: undefined`. `path` will be
+      // updated to point to the target of all symlinks.
+      var lookup = FS.lookupPath(path, {
+        follow: !(flags & 131072),
+        noent_okay: true
+      });
+      node = lookup.node;
+      path = lookup.path;
+    }
+    // perhaps we need to create the node
+    var created = false;
+    if ((flags & 64)) {
+      if (node) {
+        // if O_CREAT and O_EXCL are set, error out if the node already exists
+        if ((flags & 128)) {
+          throw new FS.ErrnoError(20);
+        }
+      } else if (isDirPath) {
+        throw new FS.ErrnoError(31);
+      } else {
+        // node doesn't exist, try to create it
+        // Ignore the permission bits here to ensure we can `open` this new
+        // file below. We use chmod below the apply the permissions once the
+        // file is open.
+        node = FS.mknod(path, mode | 511, 0);
+        created = true;
+      }
+    }
+    if (!node) {
+      throw new FS.ErrnoError(44);
+    }
+    // can't truncate a device
+    if (FS.isChrdev(node.mode)) {
+      flags &= ~512;
+    }
+    // if asked only for a directory, then this must be one
+    if ((flags & 65536) && !FS.isDir(node.mode)) {
+      throw new FS.ErrnoError(54);
+    }
+    // check permissions, if this is not a file we just created now (it is ok to
+    // create and write to a file with read-only permissions; it is read-only
+    // for later use)
+    if (!created) {
+      var errCode = FS.mayOpen(node, flags);
+      if (errCode) {
+        throw new FS.ErrnoError(errCode);
+      }
+    }
+    // do truncation if necessary
+    if ((flags & 512) && !created) {
+      FS.truncate(node, 0);
+    }
+    // we've already handled these, don't pass down to the underlying vfs
+    flags &= ~(128 | 512 | 131072);
+    // register the stream with the filesystem
+    var stream = FS.createStream({
+      node,
+      path: FS.getPath(node),
+      // we want the absolute path to the node
+      flags,
+      seekable: true,
+      position: 0,
+      stream_ops: node.stream_ops,
+      // used by the file family libc calls (fopen, fwrite, ferror, etc.)
+      ungotten: [],
+      error: false
+    });
+    // call the new stream's open function
+    if (stream.stream_ops.open) {
+      stream.stream_ops.open(stream);
+    }
+    if (created) {
+      FS.chmod(node, mode & 511);
+    }
+    if (Module["logReadFiles"] && !(flags & 1)) {
+      if (!(path in FS.readFiles)) {
+        FS.readFiles[path] = 1;
+      }
+    }
+    return stream;
+  },
+  close(stream) {
+    if (FS.isClosed(stream)) {
+      throw new FS.ErrnoError(8);
+    }
+    if (stream.getdents) stream.getdents = null;
+    // free readdir state
+    try {
+      if (stream.stream_ops.close) {
+        stream.stream_ops.close(stream);
+      }
+    } catch (e) {
+      throw e;
+    } finally {
+      FS.closeStream(stream.fd);
+    }
+    stream.fd = null;
+  },
+  isClosed(stream) {
+    return stream.fd === null;
+  },
+  llseek(stream, offset, whence) {
+    if (FS.isClosed(stream)) {
+      throw new FS.ErrnoError(8);
+    }
+    if (!stream.seekable || !stream.stream_ops.llseek) {
+      throw new FS.ErrnoError(70);
+    }
+    if (whence != 0 && whence != 1 && whence != 2) {
+      throw new FS.ErrnoError(28);
+    }
+    stream.position = stream.stream_ops.llseek(stream, offset, whence);
+    stream.ungotten = [];
+    return stream.position;
+  },
+  read(stream, buffer, offset, length, position) {
+    if (length < 0 || position < 0) {
+      throw new FS.ErrnoError(28);
+    }
+    if (FS.isClosed(stream)) {
+      throw new FS.ErrnoError(8);
+    }
+    if ((stream.flags & 2097155) === 1) {
+      throw new FS.ErrnoError(8);
+    }
+    if (FS.isDir(stream.node.mode)) {
+      throw new FS.ErrnoError(31);
+    }
+    if (!stream.stream_ops.read) {
+      throw new FS.ErrnoError(28);
+    }
+    var seeking = typeof position != "undefined";
+    if (!seeking) {
+      position = stream.position;
+    } else if (!stream.seekable) {
+      throw new FS.ErrnoError(70);
+    }
+    var bytesRead = stream.stream_ops.read(stream, buffer, offset, length, position);
+    if (!seeking) stream.position += bytesRead;
+    return bytesRead;
+  },
+  write(stream, buffer, offset, length, position, canOwn) {
+    if (length < 0 || position < 0) {
+      throw new FS.ErrnoError(28);
+    }
+    if (FS.isClosed(stream)) {
+      throw new FS.ErrnoError(8);
+    }
+    if ((stream.flags & 2097155) === 0) {
+      throw new FS.ErrnoError(8);
+    }
+    if (FS.isDir(stream.node.mode)) {
+      throw new FS.ErrnoError(31);
+    }
+    if (!stream.stream_ops.write) {
+      throw new FS.ErrnoError(28);
+    }
+    if (stream.seekable && stream.flags & 1024) {
+      // seek to the end before writing in append mode
+      FS.llseek(stream, 0, 2);
+    }
+    var seeking = typeof position != "undefined";
+    if (!seeking) {
+      position = stream.position;
+    } else if (!stream.seekable) {
+      throw new FS.ErrnoError(70);
+    }
+    var bytesWritten = stream.stream_ops.write(stream, buffer, offset, length, position, canOwn);
+    if (!seeking) stream.position += bytesWritten;
+    return bytesWritten;
+  },
+  mmap(stream, length, position, prot, flags) {
+    // User requests writing to file (prot & PROT_WRITE != 0).
+    // Checking if we have permissions to write to the file unless
+    // MAP_PRIVATE flag is set. According to POSIX spec it is possible
+    // to write to file opened in read-only mode with MAP_PRIVATE flag,
+    // as all modifications will be visible only in the memory of
+    // the current process.
+    if ((prot & 2) !== 0 && (flags & 2) === 0 && (stream.flags & 2097155) !== 2) {
+      throw new FS.ErrnoError(2);
+    }
+    if ((stream.flags & 2097155) === 1) {
+      throw new FS.ErrnoError(2);
+    }
+    if (!stream.stream_ops.mmap) {
+      throw new FS.ErrnoError(43);
+    }
+    if (!length) {
+      throw new FS.ErrnoError(28);
+    }
+    return stream.stream_ops.mmap(stream, length, position, prot, flags);
+  },
+  msync(stream, buffer, offset, length, mmapFlags) {
+    if (!stream.stream_ops.msync) {
+      return 0;
+    }
+    return stream.stream_ops.msync(stream, buffer, offset, length, mmapFlags);
+  },
+  ioctl(stream, cmd, arg) {
+    if (!stream.stream_ops.ioctl) {
+      throw new FS.ErrnoError(59);
+    }
+    return stream.stream_ops.ioctl(stream, cmd, arg);
+  },
+  readFile(path, opts = {}) {
+    opts.flags = opts.flags || 0;
+    opts.encoding = opts.encoding || "binary";
+    if (opts.encoding !== "utf8" && opts.encoding !== "binary") {
+      throw new Error(`Invalid encoding type "${opts.encoding}"`);
+    }
+    var ret;
+    var stream = FS.open(path, opts.flags);
+    var stat = FS.stat(path);
+    var length = stat.size;
+    var buf = new Uint8Array(length);
+    FS.read(stream, buf, 0, length, 0);
+    if (opts.encoding === "utf8") {
+      ret = UTF8ArrayToString(buf);
+    } else if (opts.encoding === "binary") {
+      ret = buf;
+    }
+    FS.close(stream);
+    return ret;
+  },
+  writeFile(path, data, opts = {}) {
+    opts.flags = opts.flags || 577;
+    var stream = FS.open(path, opts.flags, opts.mode);
+    if (typeof data == "string") {
+      var buf = new Uint8Array(lengthBytesUTF8(data) + 1);
+      var actualNumBytes = stringToUTF8Array(data, buf, 0, buf.length);
+      FS.write(stream, buf, 0, actualNumBytes, undefined, opts.canOwn);
+    } else if (ArrayBuffer.isView(data)) {
+      FS.write(stream, data, 0, data.byteLength, undefined, opts.canOwn);
+    } else {
+      throw new Error("Unsupported data type");
+    }
+    FS.close(stream);
+  },
+  cwd: () => FS.currentPath,
+  chdir(path) {
+    var lookup = FS.lookupPath(path, {
+      follow: true
+    });
+    if (lookup.node === null) {
+      throw new FS.ErrnoError(44);
+    }
+    if (!FS.isDir(lookup.node.mode)) {
+      throw new FS.ErrnoError(54);
+    }
+    var errCode = FS.nodePermissions(lookup.node, "x");
+    if (errCode) {
+      throw new FS.ErrnoError(errCode);
+    }
+    FS.currentPath = lookup.path;
+  },
+  createDefaultDirectories() {
+    FS.mkdir("/tmp");
+    FS.mkdir("/home");
+    FS.mkdir("/home/web_user");
+  },
+  createDefaultDevices() {
+    // create /dev
+    FS.mkdir("/dev");
+    // setup /dev/null
+    FS.registerDevice(FS.makedev(1, 3), {
+      read: () => 0,
+      write: (stream, buffer, offset, length, pos) => length,
+      llseek: () => 0
+    });
+    FS.mkdev("/dev/null", FS.makedev(1, 3));
+    // setup /dev/tty and /dev/tty1
+    // stderr needs to print output using err() rather than out()
+    // so we register a second tty just for it.
+    TTY.register(FS.makedev(5, 0), TTY.default_tty_ops);
+    TTY.register(FS.makedev(6, 0), TTY.default_tty1_ops);
+    FS.mkdev("/dev/tty", FS.makedev(5, 0));
+    FS.mkdev("/dev/tty1", FS.makedev(6, 0));
+    // setup /dev/[u]random
+    // use a buffer to avoid overhead of individual crypto calls per byte
+    var randomBuffer = new Uint8Array(1024), randomLeft = 0;
+    var randomByte = () => {
+      if (randomLeft === 0) {
+        randomFill(randomBuffer);
+        randomLeft = randomBuffer.byteLength;
+      }
+      return randomBuffer[--randomLeft];
+    };
+    FS.createDevice("/dev", "random", randomByte);
+    FS.createDevice("/dev", "urandom", randomByte);
+    // we're not going to emulate the actual shm device,
+    // just create the tmp dirs that reside in it commonly
+    FS.mkdir("/dev/shm");
+    FS.mkdir("/dev/shm/tmp");
+  },
+  createSpecialDirectories() {
+    // create /proc/self/fd which allows /proc/self/fd/6 => readlink gives the
+    // name of the stream for fd 6 (see test_unistd_ttyname)
+    FS.mkdir("/proc");
+    var proc_self = FS.mkdir("/proc/self");
+    FS.mkdir("/proc/self/fd");
+    FS.mount({
+      mount() {
+        var node = FS.createNode(proc_self, "fd", 16895, 73);
+        node.stream_ops = {
+          llseek: MEMFS.stream_ops.llseek
+        };
+        node.node_ops = {
+          lookup(parent, name) {
+            var fd = +name;
+            var stream = FS.getStreamChecked(fd);
+            var ret = {
+              parent: null,
+              mount: {
+                mountpoint: "fake"
+              },
+              node_ops: {
+                readlink: () => stream.path
+              },
+              id: fd + 1
+            };
+            ret.parent = ret;
+            // make it look like a simple root node
+            return ret;
+          },
+          readdir() {
+            return Array.from(FS.streams.entries()).filter(([k, v]) => v).map(([k, v]) => k.toString());
+          }
+        };
+        return node;
+      }
+    }, {}, "/proc/self/fd");
+  },
+  createStandardStreams(input, output, error) {
+    // TODO deprecate the old functionality of a single
+    // input / output callback and that utilizes FS.createDevice
+    // and instead require a unique set of stream ops
+    // by default, we symlink the standard streams to the
+    // default tty devices. however, if the standard streams
+    // have been overwritten we create a unique device for
+    // them instead.
+    if (input) {
+      FS.createDevice("/dev", "stdin", input);
+    } else {
+      FS.symlink("/dev/tty", "/dev/stdin");
+    }
+    if (output) {
+      FS.createDevice("/dev", "stdout", null, output);
+    } else {
+      FS.symlink("/dev/tty", "/dev/stdout");
+    }
+    if (error) {
+      FS.createDevice("/dev", "stderr", null, error);
+    } else {
+      FS.symlink("/dev/tty1", "/dev/stderr");
+    }
+    // open default streams for the stdin, stdout and stderr devices
+    var stdin = FS.open("/dev/stdin", 0);
+    var stdout = FS.open("/dev/stdout", 1);
+    var stderr = FS.open("/dev/stderr", 1);
+  },
+  staticInit() {
+    FS.nameTable = new Array(4096);
+    FS.mount(MEMFS, {}, "/");
+    FS.createDefaultDirectories();
+    FS.createDefaultDevices();
+    FS.createSpecialDirectories();
+    FS.filesystems = {
+      "MEMFS": MEMFS
+    };
+  },
+  init(input, output, error) {
+    FS.initialized = true;
+    // Allow Module.stdin etc. to provide defaults, if none explicitly passed to us here
+    input ??= Module["stdin"];
+    output ??= Module["stdout"];
+    error ??= Module["stderr"];
+    FS.createStandardStreams(input, output, error);
+  },
+  quit() {
+    FS.initialized = false;
+    // force-flush all streams, so we get musl std streams printed out
+    _fflush(0);
+    // close all of our streams
+    for (var stream of FS.streams) {
+      if (stream) {
+        FS.close(stream);
+      }
+    }
+  },
+  findObject(path, dontResolveLastLink) {
+    var ret = FS.analyzePath(path, dontResolveLastLink);
+    if (!ret.exists) {
+      return null;
+    }
+    return ret.object;
+  },
+  analyzePath(path, dontResolveLastLink) {
+    // operate from within the context of the symlink's target
+    try {
+      var lookup = FS.lookupPath(path, {
+        follow: !dontResolveLastLink
+      });
+      path = lookup.path;
+    } catch (e) {}
+    var ret = {
+      isRoot: false,
+      exists: false,
+      error: 0,
+      name: null,
+      path: null,
+      object: null,
+      parentExists: false,
+      parentPath: null,
+      parentObject: null
+    };
+    try {
+      var lookup = FS.lookupPath(path, {
+        parent: true
+      });
+      ret.parentExists = true;
+      ret.parentPath = lookup.path;
+      ret.parentObject = lookup.node;
+      ret.name = PATH.basename(path);
+      lookup = FS.lookupPath(path, {
+        follow: !dontResolveLastLink
+      });
+      ret.exists = true;
+      ret.path = lookup.path;
+      ret.object = lookup.node;
+      ret.name = lookup.node.name;
+      ret.isRoot = lookup.path === "/";
+    } catch (e) {
+      ret.error = e.errno;
+    }
+    return ret;
+  },
+  createPath(parent, path, canRead, canWrite) {
+    parent = typeof parent == "string" ? parent : FS.getPath(parent);
+    var parts = path.split("/").reverse();
+    while (parts.length) {
+      var part = parts.pop();
+      if (!part) continue;
+      var current = PATH.join2(parent, part);
+      try {
+        FS.mkdir(current);
+      } catch (e) {
+        if (e.errno != 20) throw e;
+      }
+      parent = current;
+    }
+    return current;
+  },
+  createFile(parent, name, properties, canRead, canWrite) {
+    var path = PATH.join2(typeof parent == "string" ? parent : FS.getPath(parent), name);
+    var mode = FS_getMode(canRead, canWrite);
+    return FS.create(path, mode);
+  },
+  createDataFile(parent, name, data, canRead, canWrite, canOwn) {
+    var path = name;
+    if (parent) {
+      parent = typeof parent == "string" ? parent : FS.getPath(parent);
+      path = name ? PATH.join2(parent, name) : parent;
+    }
+    var mode = FS_getMode(canRead, canWrite);
+    var node = FS.create(path, mode);
+    if (data) {
+      if (typeof data == "string") {
+        var arr = new Array(data.length);
+        for (var i = 0, len = data.length; i < len; ++i) arr[i] = data.charCodeAt(i);
+        data = arr;
+      }
+      // make sure we can write to the file
+      FS.chmod(node, mode | 146);
+      var stream = FS.open(node, 577);
+      FS.write(stream, data, 0, data.length, 0, canOwn);
+      FS.close(stream);
+      FS.chmod(node, mode);
+    }
+  },
+  createDevice(parent, name, input, output) {
+    var path = PATH.join2(typeof parent == "string" ? parent : FS.getPath(parent), name);
+    var mode = FS_getMode(!!input, !!output);
+    FS.createDevice.major ??= 64;
+    var dev = FS.makedev(FS.createDevice.major++, 0);
+    // Create a fake device that a set of stream ops to emulate
+    // the old behavior.
+    FS.registerDevice(dev, {
+      open(stream) {
+        stream.seekable = false;
+      },
+      close(stream) {
+        // flush any pending line data
+        if (output?.buffer?.length) {
+          output(10);
+        }
+      },
+      read(stream, buffer, offset, length, pos) {
+        var bytesRead = 0;
+        for (var i = 0; i < length; i++) {
+          var result;
+          try {
+            result = input();
+          } catch (e) {
+            throw new FS.ErrnoError(29);
+          }
+          if (result === undefined && bytesRead === 0) {
+            throw new FS.ErrnoError(6);
+          }
+          if (result === null || result === undefined) break;
+          bytesRead++;
+          buffer[offset + i] = result;
+        }
+        if (bytesRead) {
+          stream.node.atime = Date.now();
+        }
+        return bytesRead;
+      },
+      write(stream, buffer, offset, length, pos) {
+        for (var i = 0; i < length; i++) {
+          try {
+            output(buffer[offset + i]);
+          } catch (e) {
+            throw new FS.ErrnoError(29);
+          }
+        }
+        if (length) {
+          stream.node.mtime = stream.node.ctime = Date.now();
+        }
+        return i;
+      }
+    });
+    return FS.mkdev(path, mode, dev);
+  },
+  forceLoadFile(obj) {
+    if (obj.isDevice || obj.isFolder || obj.link || obj.contents) return true;
+    if (typeof XMLHttpRequest != "undefined") {
+      throw new Error("Lazy loading should have been performed (contents set) in createLazyFile, but it was not. Lazy loading only works in web workers. Use --embed-file or --preload-file in emcc on the main thread.");
+    } else {
+      // Command-line.
+      try {
+        obj.contents = readBinary(obj.url);
+        obj.usedBytes = obj.contents.length;
+      } catch (e) {
+        throw new FS.ErrnoError(29);
+      }
+    }
+  },
+  createLazyFile(parent, name, url, canRead, canWrite) {
+    // Lazy chunked Uint8Array (implements get and length from Uint8Array).
+    // Actual getting is abstracted away for eventual reuse.
+    class LazyUint8Array {
+      lengthKnown=false;
+      chunks=[];
+      // Loaded chunks. Index is the chunk number
+      get(idx) {
+        if (idx > this.length - 1 || idx < 0) {
+          return undefined;
+        }
+        var chunkOffset = idx % this.chunkSize;
+        var chunkNum = (idx / this.chunkSize) | 0;
+        return this.getter(chunkNum)[chunkOffset];
+      }
+      setDataGetter(getter) {
+        this.getter = getter;
+      }
+      cacheLength() {
+        // Find length
+        var xhr = new XMLHttpRequest;
+        xhr.open("HEAD", url, false);
+        xhr.send(null);
+        if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) throw new Error("Couldn't load " + url + ". Status: " + xhr.status);
+        var datalength = Number(xhr.getResponseHeader("Content-length"));
+        var header;
+        var hasByteServing = (header = xhr.getResponseHeader("Accept-Ranges")) && header === "bytes";
+        var usesGzip = (header = xhr.getResponseHeader("Content-Encoding")) && header === "gzip";
+        var chunkSize = 1024 * 1024;
+        // Chunk size in bytes
+        if (!hasByteServing) chunkSize = datalength;
+        // Function to get a range from the remote URL.
+        var doXHR = (from, to) => {
+          if (from > to) throw new Error("invalid range (" + from + ", " + to + ") or no bytes requested!");
+          if (to > datalength - 1) throw new Error("only " + datalength + " bytes available! programmer error!");
+          // TODO: Use mozResponseArrayBuffer, responseStream, etc. if available.
+          var xhr = new XMLHttpRequest;
+          xhr.open("GET", url, false);
+          if (datalength !== chunkSize) xhr.setRequestHeader("Range", "bytes=" + from + "-" + to);
+          // Some hints to the browser that we want binary data.
+          xhr.responseType = "arraybuffer";
+          if (xhr.overrideMimeType) {
+            xhr.overrideMimeType("text/plain; charset=x-user-defined");
+          }
+          xhr.send(null);
+          if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) throw new Error("Couldn't load " + url + ". Status: " + xhr.status);
+          if (xhr.response !== undefined) {
+            return new Uint8Array(/** @type{Array<number>} */ (xhr.response || []));
+          }
+          return intArrayFromString(xhr.responseText || "", true);
+        };
+        var lazyArray = this;
+        lazyArray.setDataGetter(chunkNum => {
+          var start = chunkNum * chunkSize;
+          var end = (chunkNum + 1) * chunkSize - 1;
+          // including this byte
+          end = Math.min(end, datalength - 1);
+          // if datalength-1 is selected, this is the last block
+          if (typeof lazyArray.chunks[chunkNum] == "undefined") {
+            lazyArray.chunks[chunkNum] = doXHR(start, end);
+          }
+          if (typeof lazyArray.chunks[chunkNum] == "undefined") throw new Error("doXHR failed!");
+          return lazyArray.chunks[chunkNum];
+        });
+        if (usesGzip || !datalength) {
+          // if the server uses gzip or doesn't supply the length, we have to download the whole file to get the (uncompressed) length
+          chunkSize = datalength = 1;
+          // this will force getter(0)/doXHR do download the whole file
+          datalength = this.getter(0).length;
+          chunkSize = datalength;
+          out("LazyFiles on gzip forces download of the whole file when length is accessed");
+        }
+        this._length = datalength;
+        this._chunkSize = chunkSize;
+        this.lengthKnown = true;
+      }
+      get length() {
+        if (!this.lengthKnown) {
+          this.cacheLength();
+        }
+        return this._length;
+      }
+      get chunkSize() {
+        if (!this.lengthKnown) {
+          this.cacheLength();
+        }
+        return this._chunkSize;
+      }
+    }
+    if (typeof XMLHttpRequest != "undefined") {
+      if (!ENVIRONMENT_IS_WORKER) throw "Cannot do synchronous binary XHRs outside webworkers in modern browsers. Use --embed-file or --preload-file in emcc";
+      var lazyArray = new LazyUint8Array;
+      var properties = {
+        isDevice: false,
+        contents: lazyArray
+      };
+    } else {
+      var properties = {
+        isDevice: false,
+        url
+      };
+    }
+    var node = FS.createFile(parent, name, properties, canRead, canWrite);
+    // This is a total hack, but I want to get this lazy file code out of the
+    // core of MEMFS. If we want to keep this lazy file concept I feel it should
+    // be its own thin LAZYFS proxying calls to MEMFS.
+    if (properties.contents) {
+      node.contents = properties.contents;
+    } else if (properties.url) {
+      node.contents = null;
+      node.url = properties.url;
+    }
+    // Add a function that defers querying the file size until it is asked the first time.
+    Object.defineProperties(node, {
+      usedBytes: {
+        get: function() {
+          return this.contents.length;
+        }
+      }
+    });
+    // override each stream op with one that tries to force load the lazy file first
+    var stream_ops = {};
+    var keys = Object.keys(node.stream_ops);
+    keys.forEach(key => {
+      var fn = node.stream_ops[key];
+      stream_ops[key] = (...args) => {
+        FS.forceLoadFile(node);
+        return fn(...args);
+      };
+    });
+    function writeChunks(stream, buffer, offset, length, position) {
+      var contents = stream.node.contents;
+      if (position >= contents.length) return 0;
+      var size = Math.min(contents.length - position, length);
+      if (contents.slice) {
+        // normal array
+        for (var i = 0; i < size; i++) {
+          buffer[offset + i] = contents[position + i];
+        }
+      } else {
+        for (var i = 0; i < size; i++) {
+          // LazyUint8Array from sync binary XHR
+          buffer[offset + i] = contents.get(position + i);
+        }
+      }
+      return size;
+    }
+    // use a custom read function
+    stream_ops.read = (stream, buffer, offset, length, position) => {
+      FS.forceLoadFile(node);
+      return writeChunks(stream, buffer, offset, length, position);
+    };
+    // use a custom mmap function
+    stream_ops.mmap = (stream, length, position, prot, flags) => {
+      FS.forceLoadFile(node);
+      var ptr = mmapAlloc(length);
+      if (!ptr) {
+        throw new FS.ErrnoError(48);
+      }
+      writeChunks(stream, HEAP8, ptr, length, position);
+      return {
+        ptr,
+        allocated: true
+      };
+    };
+    node.stream_ops = stream_ops;
+    return node;
+  }
+};
+
+var SYSCALLS = {
+  DEFAULT_POLLMASK: 5,
+  calculateAt(dirfd, path, allowEmpty) {
+    if (PATH.isAbs(path)) {
+      return path;
+    }
+    // relative path
+    var dir;
+    if (dirfd === -100) {
+      dir = FS.cwd();
+    } else {
+      var dirstream = SYSCALLS.getStreamFromFD(dirfd);
+      dir = dirstream.path;
+    }
+    if (path.length == 0) {
+      if (!allowEmpty) {
+        throw new FS.ErrnoError(44);
+      }
+      return dir;
+    }
+    return dir + "/" + path;
+  },
+  writeStat(buf, stat) {
+    HEAP32[((buf) >>> 2) >>> 0] = stat.dev;
+    HEAP32[(((buf) + (4)) >>> 2) >>> 0] = stat.mode;
+    HEAPU32[(((buf) + (8)) >>> 2) >>> 0] = stat.nlink;
+    HEAP32[(((buf) + (12)) >>> 2) >>> 0] = stat.uid;
+    HEAP32[(((buf) + (16)) >>> 2) >>> 0] = stat.gid;
+    HEAP32[(((buf) + (20)) >>> 2) >>> 0] = stat.rdev;
+    HEAP64[(((buf) + (24)) >>> 3)] = BigInt(stat.size);
+    HEAP32[(((buf) + (32)) >>> 2) >>> 0] = 4096;
+    HEAP32[(((buf) + (36)) >>> 2) >>> 0] = stat.blocks;
+    var atime = stat.atime.getTime();
+    var mtime = stat.mtime.getTime();
+    var ctime = stat.ctime.getTime();
+    HEAP64[(((buf) + (40)) >>> 3)] = BigInt(Math.floor(atime / 1e3));
+    HEAPU32[(((buf) + (48)) >>> 2) >>> 0] = (atime % 1e3) * 1e3 * 1e3;
+    HEAP64[(((buf) + (56)) >>> 3)] = BigInt(Math.floor(mtime / 1e3));
+    HEAPU32[(((buf) + (64)) >>> 2) >>> 0] = (mtime % 1e3) * 1e3 * 1e3;
+    HEAP64[(((buf) + (72)) >>> 3)] = BigInt(Math.floor(ctime / 1e3));
+    HEAPU32[(((buf) + (80)) >>> 2) >>> 0] = (ctime % 1e3) * 1e3 * 1e3;
+    HEAP64[(((buf) + (88)) >>> 3)] = BigInt(stat.ino);
+    return 0;
+  },
+  writeStatFs(buf, stats) {
+    HEAP32[(((buf) + (4)) >>> 2) >>> 0] = stats.bsize;
+    HEAP32[(((buf) + (40)) >>> 2) >>> 0] = stats.bsize;
+    HEAP32[(((buf) + (8)) >>> 2) >>> 0] = stats.blocks;
+    HEAP32[(((buf) + (12)) >>> 2) >>> 0] = stats.bfree;
+    HEAP32[(((buf) + (16)) >>> 2) >>> 0] = stats.bavail;
+    HEAP32[(((buf) + (20)) >>> 2) >>> 0] = stats.files;
+    HEAP32[(((buf) + (24)) >>> 2) >>> 0] = stats.ffree;
+    HEAP32[(((buf) + (28)) >>> 2) >>> 0] = stats.fsid;
+    HEAP32[(((buf) + (44)) >>> 2) >>> 0] = stats.flags;
+    // ST_NOSUID
+    HEAP32[(((buf) + (36)) >>> 2) >>> 0] = stats.namelen;
+  },
+  doMsync(addr, stream, len, flags, offset) {
+    if (!FS.isFile(stream.node.mode)) {
+      throw new FS.ErrnoError(43);
+    }
+    if (flags & 2) {
+      // MAP_PRIVATE calls need not to be synced back to underlying fs
+      return 0;
+    }
+    var buffer = HEAPU8.slice(addr, addr + len);
+    FS.msync(stream, buffer, offset, len, flags);
+  },
+  getStreamFromFD(fd) {
+    var stream = FS.getStreamChecked(fd);
+    return stream;
+  },
+  varargs: undefined,
+  getStr(ptr) {
+    var ret = UTF8ToString(ptr);
+    return ret;
+  }
+};
+
+function ___syscall_fcntl64(fd, cmd, varargs) {
+  varargs >>>= 0;
+  SYSCALLS.varargs = varargs;
+  try {
+    var stream = SYSCALLS.getStreamFromFD(fd);
+    switch (cmd) {
+     case 0:
+      {
+        var arg = syscallGetVarargI();
+        if (arg < 0) {
+          return -28;
+        }
+        while (FS.streams[arg]) {
+          arg++;
+        }
+        var newStream;
+        newStream = FS.dupStream(stream, arg);
+        return newStream.fd;
+      }
+
+     case 1:
+     case 2:
+      return 0;
+
+     // FD_CLOEXEC makes no sense for a single process.
+      case 3:
+      return stream.flags;
+
+     case 4:
+      {
+        var arg = syscallGetVarargI();
+        stream.flags |= arg;
+        return 0;
+      }
+
+     case 12:
+      {
+        var arg = syscallGetVarargP();
+        var offset = 0;
+        // We're always unlocked.
+        HEAP16[(((arg) + (offset)) >>> 1) >>> 0] = 2;
+        return 0;
+      }
+
+     case 13:
+     case 14:
+      // Pretend that the locking is successful. These are process-level locks,
+      // and Emscripten programs are a single process. If we supported linking a
+      // filesystem between programs, we'd need to do more here.
+      // See https://github.com/emscripten-core/emscripten/issues/23697
+      return 0;
+    }
+    return -28;
+  } catch (e) {
+    if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
+    return -e.errno;
+  }
+}
+
+function ___syscall_fstat64(fd, buf) {
+  buf >>>= 0;
+  try {
+    return SYSCALLS.writeStat(buf, FS.fstat(fd));
+  } catch (e) {
+    if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
+    return -e.errno;
+  }
+}
+
+var stringToUTF8 = (str, outPtr, maxBytesToWrite) => stringToUTF8Array(str, HEAPU8, outPtr, maxBytesToWrite);
+
+function ___syscall_getdents64(fd, dirp, count) {
+  dirp >>>= 0;
+  count >>>= 0;
+  try {
+    var stream = SYSCALLS.getStreamFromFD(fd);
+    stream.getdents ||= FS.readdir(stream.path);
+    var struct_size = 280;
+    var pos = 0;
+    var off = FS.llseek(stream, 0, 1);
+    var startIdx = Math.floor(off / struct_size);
+    var endIdx = Math.min(stream.getdents.length, startIdx + Math.floor(count / struct_size));
+    for (var idx = startIdx; idx < endIdx; idx++) {
+      var id;
+      var type;
+      var name = stream.getdents[idx];
+      if (name === ".") {
+        id = stream.node.id;
+        type = 4;
+      } else if (name === "..") {
+        var lookup = FS.lookupPath(stream.path, {
+          parent: true
+        });
+        id = lookup.node.id;
+        type = 4;
+      } else {
+        var child;
+        try {
+          child = FS.lookupNode(stream.node, name);
+        } catch (e) {
+          // If the entry is not a directory, file, or symlink, nodefs
+          // lookupNode will raise EINVAL. Skip these and continue.
+          if (e?.errno === 28) {
+            continue;
+          }
+          throw e;
+        }
+        id = child.id;
+        type = FS.isChrdev(child.mode) ? 2 : // DT_CHR, character device.
+        FS.isDir(child.mode) ? 4 : // DT_DIR, directory.
+        FS.isLink(child.mode) ? 10 : // DT_LNK, symbolic link.
+        8;
+      }
+      HEAP64[((dirp + pos) >>> 3)] = BigInt(id);
+      HEAP64[(((dirp + pos) + (8)) >>> 3)] = BigInt((idx + 1) * struct_size);
+      HEAP16[(((dirp + pos) + (16)) >>> 1) >>> 0] = 280;
+      HEAP8[(dirp + pos) + (18) >>> 0] = type;
+      stringToUTF8(name, dirp + pos + 19, 256);
+      pos += struct_size;
+    }
+    FS.llseek(stream, idx * struct_size, 0);
+    return pos;
+  } catch (e) {
+    if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
+    return -e.errno;
+  }
+}
+
+function ___syscall_ioctl(fd, op, varargs) {
+  varargs >>>= 0;
+  SYSCALLS.varargs = varargs;
+  try {
+    var stream = SYSCALLS.getStreamFromFD(fd);
+    switch (op) {
+     case 21509:
+      {
+        if (!stream.tty) return -59;
+        return 0;
+      }
+
+     case 21505:
+      {
+        if (!stream.tty) return -59;
+        if (stream.tty.ops.ioctl_tcgets) {
+          var termios = stream.tty.ops.ioctl_tcgets(stream);
+          var argp = syscallGetVarargP();
+          HEAP32[((argp) >>> 2) >>> 0] = termios.c_iflag || 0;
+          HEAP32[(((argp) + (4)) >>> 2) >>> 0] = termios.c_oflag || 0;
+          HEAP32[(((argp) + (8)) >>> 2) >>> 0] = termios.c_cflag || 0;
+          HEAP32[(((argp) + (12)) >>> 2) >>> 0] = termios.c_lflag || 0;
+          for (var i = 0; i < 32; i++) {
+            HEAP8[(argp + i) + (17) >>> 0] = termios.c_cc[i] || 0;
+          }
+          return 0;
+        }
+        return 0;
+      }
+
+     case 21510:
+     case 21511:
+     case 21512:
+      {
+        if (!stream.tty) return -59;
+        return 0;
+      }
+
+     case 21506:
+     case 21507:
+     case 21508:
+      {
+        if (!stream.tty) return -59;
+        if (stream.tty.ops.ioctl_tcsets) {
+          var argp = syscallGetVarargP();
+          var c_iflag = HEAP32[((argp) >>> 2) >>> 0];
+          var c_oflag = HEAP32[(((argp) + (4)) >>> 2) >>> 0];
+          var c_cflag = HEAP32[(((argp) + (8)) >>> 2) >>> 0];
+          var c_lflag = HEAP32[(((argp) + (12)) >>> 2) >>> 0];
+          var c_cc = [];
+          for (var i = 0; i < 32; i++) {
+            c_cc.push(HEAP8[(argp + i) + (17) >>> 0]);
+          }
+          return stream.tty.ops.ioctl_tcsets(stream.tty, op, {
+            c_iflag,
+            c_oflag,
+            c_cflag,
+            c_lflag,
+            c_cc
+          });
+        }
+        return 0;
+      }
+
+     case 21519:
+      {
+        if (!stream.tty) return -59;
+        var argp = syscallGetVarargP();
+        HEAP32[((argp) >>> 2) >>> 0] = 0;
+        return 0;
+      }
+
+     case 21520:
+      {
+        if (!stream.tty) return -59;
+        return -28;
+      }
+
+     case 21531:
+      {
+        var argp = syscallGetVarargP();
+        return FS.ioctl(stream, op, argp);
+      }
+
+     case 21523:
+      {
+        // TODO: in theory we should write to the winsize struct that gets
+        // passed in, but for now musl doesn't read anything on it
+        if (!stream.tty) return -59;
+        if (stream.tty.ops.ioctl_tiocgwinsz) {
+          var winsize = stream.tty.ops.ioctl_tiocgwinsz(stream.tty);
+          var argp = syscallGetVarargP();
+          HEAP16[((argp) >>> 1) >>> 0] = winsize[0];
+          HEAP16[(((argp) + (2)) >>> 1) >>> 0] = winsize[1];
+        }
+        return 0;
+      }
+
+     case 21524:
+      {
+        // TODO: technically, this ioctl call should change the window size.
+        // but, since emscripten doesn't have any concept of a terminal window
+        // yet, we'll just silently throw it away as we do TIOCGWINSZ
+        if (!stream.tty) return -59;
+        return 0;
+      }
+
+     case 21515:
+      {
+        if (!stream.tty) return -59;
+        return 0;
+      }
+
+     default:
+      return -28;
+    }
+  } catch (e) {
+    if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
+    return -e.errno;
+  }
+}
+
+function ___syscall_lstat64(path, buf) {
+  path >>>= 0;
+  buf >>>= 0;
+  try {
+    path = SYSCALLS.getStr(path);
+    return SYSCALLS.writeStat(buf, FS.lstat(path));
+  } catch (e) {
+    if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
+    return -e.errno;
+  }
+}
+
+function ___syscall_mkdirat(dirfd, path, mode) {
+  path >>>= 0;
+  try {
+    path = SYSCALLS.getStr(path);
+    path = SYSCALLS.calculateAt(dirfd, path);
+    FS.mkdir(path, mode, 0);
+    return 0;
+  } catch (e) {
+    if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
+    return -e.errno;
+  }
+}
+
+function ___syscall_newfstatat(dirfd, path, buf, flags) {
+  path >>>= 0;
+  buf >>>= 0;
+  try {
+    path = SYSCALLS.getStr(path);
+    var nofollow = flags & 256;
+    var allowEmpty = flags & 4096;
+    flags = flags & (~6400);
+    path = SYSCALLS.calculateAt(dirfd, path, allowEmpty);
+    return SYSCALLS.writeStat(buf, nofollow ? FS.lstat(path) : FS.stat(path));
+  } catch (e) {
+    if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
+    return -e.errno;
+  }
+}
+
+function ___syscall_openat(dirfd, path, flags, varargs) {
+  path >>>= 0;
+  varargs >>>= 0;
+  SYSCALLS.varargs = varargs;
+  try {
+    path = SYSCALLS.getStr(path);
+    path = SYSCALLS.calculateAt(dirfd, path);
+    var mode = varargs ? syscallGetVarargI() : 0;
+    return FS.open(path, flags, mode).fd;
+  } catch (e) {
+    if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
+    return -e.errno;
+  }
+}
+
+function ___syscall_stat64(path, buf) {
+  path >>>= 0;
+  buf >>>= 0;
+  try {
+    path = SYSCALLS.getStr(path);
+    return SYSCALLS.writeStat(buf, FS.stat(path));
+  } catch (e) {
+    if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
+    return -e.errno;
+  }
+}
+
+var _emscripten_get_now = () => performance.now();
+
+var _emscripten_date_now = () => Date.now();
+
+var nowIsMonotonic = 1;
+
+var checkWasiClock = clock_id => clock_id >= 0 && clock_id <= 3;
+
+function _clock_time_get(clk_id, ignored_precision, ptime) {
+  ignored_precision = bigintToI53Checked(ignored_precision);
+  ptime >>>= 0;
+  if (!checkWasiClock(clk_id)) {
+    return 28;
+  }
+  var now;
+  // all wasi clocks but realtime are monotonic
+  if (clk_id === 0) {
+    now = _emscripten_date_now();
+  } else if (nowIsMonotonic) {
+    now = _emscripten_get_now();
+  } else {
+    return 52;
+  }
+  // "now" is in ms, and wasi times are in ns.
+  var nsec = Math.round(now * 1e3 * 1e3);
+  HEAP64[((ptime) >>> 3)] = BigInt(nsec);
+  return 0;
+}
+
+var handleException = e => {
+  // Certain exception types we do not treat as errors since they are used for
+  // internal control flow.
+  // 1. ExitStatus, which is thrown by exit()
+  // 2. "unwind", which is thrown by emscripten_unwind_to_js_event_loop() and others
+  //    that wish to return to JS event loop.
+  if (e instanceof ExitStatus || e == "unwind") {
+    return EXITSTATUS;
+  }
+  quit_(1, e);
+};
+
+var runtimeKeepaliveCounter = 0;
+
+var keepRuntimeAlive = () => noExitRuntime || runtimeKeepaliveCounter > 0;
+
+var _proc_exit = code => {
+  EXITSTATUS = code;
+  if (!keepRuntimeAlive()) {
+    Module["onExit"]?.(code);
+    ABORT = true;
+  }
+  quit_(code, new ExitStatus(code));
+};
+
+/** @suppress {duplicate } */ /** @param {boolean|number=} implicit */ var exitJS = (status, implicit) => {
+  EXITSTATUS = status;
+  if (!keepRuntimeAlive()) {
+    exitRuntime();
+  }
+  _proc_exit(status);
+};
+
+var _exit = exitJS;
+
+var maybeExit = () => {
+  if (runtimeExited) {
+    return;
+  }
+  if (!keepRuntimeAlive()) {
+    try {
+      _exit(EXITSTATUS);
+    } catch (e) {
+      handleException(e);
+    }
+  }
+};
+
+var callUserCallback = func => {
+  if (runtimeExited || ABORT) {
+    return;
+  }
+  try {
+    func();
+    maybeExit();
+  } catch (e) {
+    handleException(e);
+  }
+};
+
+var runtimeKeepalivePush = () => {
+  runtimeKeepaliveCounter += 1;
+};
+
+var runtimeKeepalivePop = () => {
+  runtimeKeepaliveCounter -= 1;
+};
+
+/** @param {number=} timeout */ var safeSetTimeout = (func, timeout) => {
+  runtimeKeepalivePush();
+  return setTimeout(() => {
+    runtimeKeepalivePop();
+    callUserCallback(func);
+  }, timeout);
+};
+
+var warnOnce = text => {
+  warnOnce.shown ||= {};
+  if (!warnOnce.shown[text]) {
+    warnOnce.shown[text] = 1;
+    err(text);
+  }
+};
+
+var Browser = {
+  useWebGL: false,
+  isFullscreen: false,
+  pointerLock: false,
+  moduleContextCreatedCallbacks: [],
+  workers: [],
+  preloadedImages: {},
+  preloadedAudios: {},
+  getCanvas: () => Module["canvas"],
+  init() {
+    if (Browser.initted) return;
+    Browser.initted = true;
+    // Support for plugins that can process preloaded files. You can add more of these to
+    // your app by creating and appending to preloadPlugins.
+    // Each plugin is asked if it can handle a file based on the file's name. If it can,
+    // it is given the file's raw data. When it is done, it calls a callback with the file's
+    // (possibly modified) data. For example, a plugin might decompress a file, or it
+    // might create some side data structure for use later (like an Image element, etc.).
+    var imagePlugin = {};
+    imagePlugin["canHandle"] = function imagePlugin_canHandle(name) {
+      return !Module["noImageDecoding"] && /\.(jpg|jpeg|png|bmp|webp)$/i.test(name);
+    };
+    imagePlugin["handle"] = function imagePlugin_handle(byteArray, name, onload, onerror) {
+      var b = new Blob([ byteArray ], {
+        type: Browser.getMimetype(name)
+      });
+      if (b.size !== byteArray.length) {
+        // Safari bug #118630
+        // Safari's Blob can only take an ArrayBuffer
+        b = new Blob([ (new Uint8Array(byteArray)).buffer ], {
+          type: Browser.getMimetype(name)
+        });
+      }
+      var url = URL.createObjectURL(b);
+      var img = new Image;
+      img.onload = () => {
+        var canvas = /** @type {!HTMLCanvasElement} */ (document.createElement("canvas"));
+        canvas.width = img.width;
+        canvas.height = img.height;
+        var ctx = canvas.getContext("2d");
+        ctx.drawImage(img, 0, 0);
+        Browser.preloadedImages[name] = canvas;
+        URL.revokeObjectURL(url);
+        onload?.(byteArray);
+      };
+      img.onerror = event => {
+        err(`Image ${url} could not be decoded`);
+        onerror?.();
+      };
+      img.src = url;
+    };
+    preloadPlugins.push(imagePlugin);
+    var audioPlugin = {};
+    audioPlugin["canHandle"] = function audioPlugin_canHandle(name) {
+      return !Module["noAudioDecoding"] && name.slice(-4) in {
+        ".ogg": 1,
+        ".wav": 1,
+        ".mp3": 1
+      };
+    };
+    audioPlugin["handle"] = function audioPlugin_handle(byteArray, name, onload, onerror) {
+      var done = false;
+      function finish(audio) {
+        if (done) return;
+        done = true;
+        Browser.preloadedAudios[name] = audio;
+        onload?.(byteArray);
+      }
+      function fail() {
+        if (done) return;
+        done = true;
+        Browser.preloadedAudios[name] = new Audio;
+        // empty shim
+        onerror?.();
+      }
+      var b = new Blob([ byteArray ], {
+        type: Browser.getMimetype(name)
+      });
+      var url = URL.createObjectURL(b);
+      // XXX we never revoke this!
+      var audio = new Audio;
+      audio.addEventListener("canplaythrough", () => finish(audio), false);
+      // use addEventListener due to chromium bug 124926
+      audio.onerror = function audio_onerror(event) {
+        if (done) return;
+        err(`warning: browser could not fully decode audio ${name}, trying slower base64 approach`);
+        function encode64(data) {
+          var BASE = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+          var PAD = "=";
+          var ret = "";
+          var leftchar = 0;
+          var leftbits = 0;
+          for (var i = 0; i < data.length; i++) {
+            leftchar = (leftchar << 8) | data[i];
+            leftbits += 8;
+            while (leftbits >= 6) {
+              var curr = (leftchar >> (leftbits - 6)) & 63;
+              leftbits -= 6;
+              ret += BASE[curr];
+            }
+          }
+          if (leftbits == 2) {
+            ret += BASE[(leftchar & 3) << 4];
+            ret += PAD + PAD;
+          } else if (leftbits == 4) {
+            ret += BASE[(leftchar & 15) << 2];
+            ret += PAD;
+          }
+          return ret;
+        }
+        audio.src = "data:audio/x-" + name.slice(-3) + ";base64," + encode64(byteArray);
+        finish(audio);
+      };
+      audio.src = url;
+      // workaround for chrome bug 124926 - we do not always get oncanplaythrough or onerror
+      safeSetTimeout(() => {
+        finish(audio);
+      }, 1e4);
+    };
+    preloadPlugins.push(audioPlugin);
+    // Canvas event setup
+    function pointerLockChange() {
+      var canvas = Browser.getCanvas();
+      Browser.pointerLock = document["pointerLockElement"] === canvas || document["mozPointerLockElement"] === canvas || document["webkitPointerLockElement"] === canvas || document["msPointerLockElement"] === canvas;
+    }
+    var canvas = Browser.getCanvas();
+    if (canvas) {
+      // forced aspect ratio can be enabled by defining 'forcedAspectRatio' on Module
+      // Module['forcedAspectRatio'] = 4 / 3;
+      canvas.requestPointerLock = canvas["requestPointerLock"] || canvas["mozRequestPointerLock"] || canvas["webkitRequestPointerLock"] || canvas["msRequestPointerLock"] || (() => {});
+      canvas.exitPointerLock = document["exitPointerLock"] || document["mozExitPointerLock"] || document["webkitExitPointerLock"] || document["msExitPointerLock"] || (() => {});
+      // no-op if function does not exist
+      canvas.exitPointerLock = canvas.exitPointerLock.bind(document);
+      document.addEventListener("pointerlockchange", pointerLockChange, false);
+      document.addEventListener("mozpointerlockchange", pointerLockChange, false);
+      document.addEventListener("webkitpointerlockchange", pointerLockChange, false);
+      document.addEventListener("mspointerlockchange", pointerLockChange, false);
+      if (Module["elementPointerLock"]) {
+        canvas.addEventListener("click", ev => {
+          if (!Browser.pointerLock && Browser.getCanvas().requestPointerLock) {
+            Browser.getCanvas().requestPointerLock();
+            ev.preventDefault();
+          }
+        }, false);
+      }
+    }
+  },
+  createContext(/** @type {HTMLCanvasElement} */ canvas, useWebGL, setInModule, webGLContextAttributes) {
+    if (useWebGL && Module["ctx"] && canvas == Browser.getCanvas()) return Module["ctx"];
+    // no need to recreate GL context if it's already been created for this canvas.
+    var ctx;
+    var contextHandle;
+    if (useWebGL) {
+      // For GLES2/desktop GL compatibility, adjust a few defaults to be different to WebGL defaults, so that they align better with the desktop defaults.
+      var contextAttributes = {
+        antialias: false,
+        alpha: false,
+        majorVersion: 1
+      };
+      if (webGLContextAttributes) {
+        for (var attribute in webGLContextAttributes) {
+          contextAttributes[attribute] = webGLContextAttributes[attribute];
+        }
+      }
+      // This check of existence of GL is here to satisfy Closure compiler, which yells if variable GL is referenced below but GL object is not
+      // actually compiled in because application is not doing any GL operations. TODO: Ideally if GL is not being used, this function
+      // Browser.createContext() should not even be emitted.
+      if (typeof GL != "undefined") {
+        contextHandle = GL.createContext(canvas, contextAttributes);
+        if (contextHandle) {
+          ctx = GL.getContext(contextHandle).GLctx;
+        }
+      }
+    } else {
+      ctx = canvas.getContext("2d");
+    }
+    if (!ctx) return null;
+    if (setInModule) {
+      Module["ctx"] = ctx;
+      if (useWebGL) GL.makeContextCurrent(contextHandle);
+      Browser.useWebGL = useWebGL;
+      Browser.moduleContextCreatedCallbacks.forEach(callback => callback());
+      Browser.init();
+    }
+    return ctx;
+  },
+  fullscreenHandlersInstalled: false,
+  lockPointer: undefined,
+  resizeCanvas: undefined,
+  requestFullscreen(lockPointer, resizeCanvas) {
+    Browser.lockPointer = lockPointer;
+    Browser.resizeCanvas = resizeCanvas;
+    if (typeof Browser.lockPointer == "undefined") Browser.lockPointer = true;
+    if (typeof Browser.resizeCanvas == "undefined") Browser.resizeCanvas = false;
+    var canvas = Browser.getCanvas();
+    function fullscreenChange() {
+      Browser.isFullscreen = false;
+      var canvasContainer = canvas.parentNode;
+      if ((document["fullscreenElement"] || document["mozFullScreenElement"] || document["msFullscreenElement"] || document["webkitFullscreenElement"] || document["webkitCurrentFullScreenElement"]) === canvasContainer) {
+        canvas.exitFullscreen = Browser.exitFullscreen;
+        if (Browser.lockPointer) canvas.requestPointerLock();
+        Browser.isFullscreen = true;
+        if (Browser.resizeCanvas) {
+          Browser.setFullscreenCanvasSize();
+        } else {
+          Browser.updateCanvasDimensions(canvas);
+        }
+      } else {
+        // remove the full screen specific parent of the canvas again to restore the HTML structure from before going full screen
+        canvasContainer.parentNode.insertBefore(canvas, canvasContainer);
+        canvasContainer.parentNode.removeChild(canvasContainer);
+        if (Browser.resizeCanvas) {
+          Browser.setWindowedCanvasSize();
+        } else {
+          Browser.updateCanvasDimensions(canvas);
+        }
+      }
+      Module["onFullScreen"]?.(Browser.isFullscreen);
+      Module["onFullscreen"]?.(Browser.isFullscreen);
+    }
+    if (!Browser.fullscreenHandlersInstalled) {
+      Browser.fullscreenHandlersInstalled = true;
+      document.addEventListener("fullscreenchange", fullscreenChange, false);
+      document.addEventListener("mozfullscreenchange", fullscreenChange, false);
+      document.addEventListener("webkitfullscreenchange", fullscreenChange, false);
+      document.addEventListener("MSFullscreenChange", fullscreenChange, false);
+    }
+    // create a new parent to ensure the canvas has no siblings. this allows browsers to optimize full screen performance when its parent is the full screen root
+    var canvasContainer = document.createElement("div");
+    canvas.parentNode.insertBefore(canvasContainer, canvas);
+    canvasContainer.appendChild(canvas);
+    // use parent of canvas as full screen root to allow aspect ratio correction (Firefox stretches the root to screen size)
+    canvasContainer.requestFullscreen = canvasContainer["requestFullscreen"] || canvasContainer["mozRequestFullScreen"] || canvasContainer["msRequestFullscreen"] || (canvasContainer["webkitRequestFullscreen"] ? () => canvasContainer["webkitRequestFullscreen"](Element["ALLOW_KEYBOARD_INPUT"]) : null) || (canvasContainer["webkitRequestFullScreen"] ? () => canvasContainer["webkitRequestFullScreen"](Element["ALLOW_KEYBOARD_INPUT"]) : null);
+    canvasContainer.requestFullscreen();
+  },
+  exitFullscreen() {
+    // This is workaround for chrome. Trying to exit from fullscreen
+    // not in fullscreen state will cause "TypeError: Document not active"
+    // in chrome. See https://github.com/emscripten-core/emscripten/pull/8236
+    if (!Browser.isFullscreen) {
+      return false;
+    }
+    var CFS = document["exitFullscreen"] || document["cancelFullScreen"] || document["mozCancelFullScreen"] || document["msExitFullscreen"] || document["webkitCancelFullScreen"] || (() => {});
+    CFS.apply(document, []);
+    return true;
+  },
+  safeSetTimeout(func, timeout) {
+    // Legacy function, this is used by the SDL2 port so we need to keep it
+    // around at least until that is updated.
+    // See https://github.com/libsdl-org/SDL/pull/6304
+    return safeSetTimeout(func, timeout);
+  },
+  getMimetype(name) {
+    return {
+      "jpg": "image/jpeg",
+      "jpeg": "image/jpeg",
+      "png": "image/png",
+      "bmp": "image/bmp",
+      "ogg": "audio/ogg",
+      "wav": "audio/wav",
+      "mp3": "audio/mpeg"
+    }[name.slice(name.lastIndexOf(".") + 1)];
+  },
+  getUserMedia(func) {
+    window.getUserMedia ||= navigator["getUserMedia"] || navigator["mozGetUserMedia"];
+    window.getUserMedia(func);
+  },
+  getMovementX(event) {
+    return event["movementX"] || event["mozMovementX"] || event["webkitMovementX"] || 0;
+  },
+  getMovementY(event) {
+    return event["movementY"] || event["mozMovementY"] || event["webkitMovementY"] || 0;
+  },
+  getMouseWheelDelta(event) {
+    var delta = 0;
+    switch (event.type) {
+     case "DOMMouseScroll":
+      // 3 lines make up a step
+      delta = event.detail / 3;
+      break;
+
+     case "mousewheel":
+      // 120 units make up a step
+      delta = event.wheelDelta / 120;
+      break;
+
+     case "wheel":
+      delta = event.deltaY;
+      switch (event.deltaMode) {
+       case 0:
+        // DOM_DELTA_PIXEL: 100 pixels make up a step
+        delta /= 100;
+        break;
+
+       case 1:
+        // DOM_DELTA_LINE: 3 lines make up a step
+        delta /= 3;
+        break;
+
+       case 2:
+        // DOM_DELTA_PAGE: A page makes up 80 steps
+        delta *= 80;
+        break;
+
+       default:
+        throw "unrecognized mouse wheel delta mode: " + event.deltaMode;
+      }
+      break;
+
+     default:
+      throw "unrecognized mouse wheel event: " + event.type;
+    }
+    return delta;
+  },
+  mouseX: 0,
+  mouseY: 0,
+  mouseMovementX: 0,
+  mouseMovementY: 0,
+  touches: {},
+  lastTouches: {},
+  calculateMouseCoords(pageX, pageY) {
+    // Calculate the movement based on the changes
+    // in the coordinates.
+    var canvas = Browser.getCanvas();
+    var rect = canvas.getBoundingClientRect();
+    // Neither .scrollX or .pageXOffset are defined in a spec, but
+    // we prefer .scrollX because it is currently in a spec draft.
+    // (see: http://www.w3.org/TR/2013/WD-cssom-view-20131217/)
+    var scrollX = ((typeof window.scrollX != "undefined") ? window.scrollX : window.pageXOffset);
+    var scrollY = ((typeof window.scrollY != "undefined") ? window.scrollY : window.pageYOffset);
+    var adjustedX = pageX - (scrollX + rect.left);
+    var adjustedY = pageY - (scrollY + rect.top);
+    // the canvas might be CSS-scaled compared to its backbuffer;
+    // SDL-using content will want mouse coordinates in terms
+    // of backbuffer units.
+    adjustedX = adjustedX * (canvas.width / rect.width);
+    adjustedY = adjustedY * (canvas.height / rect.height);
+    return {
+      x: adjustedX,
+      y: adjustedY
+    };
+  },
+  setMouseCoords(pageX, pageY) {
+    const {x, y} = Browser.calculateMouseCoords(pageX, pageY);
+    Browser.mouseMovementX = x - Browser.mouseX;
+    Browser.mouseMovementY = y - Browser.mouseY;
+    Browser.mouseX = x;
+    Browser.mouseY = y;
+  },
+  calculateMouseEvent(event) {
+    // event should be mousemove, mousedown or mouseup
+    if (Browser.pointerLock) {
+      // When the pointer is locked, calculate the coordinates
+      // based on the movement of the mouse.
+      // Workaround for Firefox bug 764498
+      if (event.type != "mousemove" && ("mozMovementX" in event)) {
+        Browser.mouseMovementX = Browser.mouseMovementY = 0;
+      } else {
+        Browser.mouseMovementX = Browser.getMovementX(event);
+        Browser.mouseMovementY = Browser.getMovementY(event);
+      }
+      // add the mouse delta to the current absolute mouse position
+      Browser.mouseX += Browser.mouseMovementX;
+      Browser.mouseY += Browser.mouseMovementY;
+    } else {
+      if (event.type === "touchstart" || event.type === "touchend" || event.type === "touchmove") {
+        var touch = event.touch;
+        if (touch === undefined) {
+          return;
+        }
+        var coords = Browser.calculateMouseCoords(touch.pageX, touch.pageY);
+        if (event.type === "touchstart") {
+          Browser.lastTouches[touch.identifier] = coords;
+          Browser.touches[touch.identifier] = coords;
+        } else if (event.type === "touchend" || event.type === "touchmove") {
+          var last = Browser.touches[touch.identifier];
+          last ||= coords;
+          Browser.lastTouches[touch.identifier] = last;
+          Browser.touches[touch.identifier] = coords;
+        }
+        return;
+      }
+      Browser.setMouseCoords(event.pageX, event.pageY);
+    }
+  },
+  resizeListeners: [],
+  updateResizeListeners() {
+    var canvas = Browser.getCanvas();
+    Browser.resizeListeners.forEach(listener => listener(canvas.width, canvas.height));
+  },
+  setCanvasSize(width, height, noUpdates) {
+    var canvas = Browser.getCanvas();
+    Browser.updateCanvasDimensions(canvas, width, height);
+    if (!noUpdates) Browser.updateResizeListeners();
+  },
+  windowedWidth: 0,
+  windowedHeight: 0,
+  setFullscreenCanvasSize() {
+    // check if SDL is available
+    if (typeof SDL != "undefined") {
+      var flags = HEAPU32[((SDL.screen) >>> 2) >>> 0];
+      flags = flags | 8388608;
+      // set SDL_FULLSCREEN flag
+      HEAP32[((SDL.screen) >>> 2) >>> 0] = flags;
+    }
+    Browser.updateCanvasDimensions(Browser.getCanvas());
+    Browser.updateResizeListeners();
+  },
+  setWindowedCanvasSize() {
+    // check if SDL is available
+    if (typeof SDL != "undefined") {
+      var flags = HEAPU32[((SDL.screen) >>> 2) >>> 0];
+      flags = flags & ~8388608;
+      // clear SDL_FULLSCREEN flag
+      HEAP32[((SDL.screen) >>> 2) >>> 0] = flags;
+    }
+    Browser.updateCanvasDimensions(Browser.getCanvas());
+    Browser.updateResizeListeners();
+  },
+  updateCanvasDimensions(canvas, wNative, hNative) {
+    if (wNative && hNative) {
+      canvas.widthNative = wNative;
+      canvas.heightNative = hNative;
+    } else {
+      wNative = canvas.widthNative;
+      hNative = canvas.heightNative;
+    }
+    var w = wNative;
+    var h = hNative;
+    if (Module["forcedAspectRatio"] > 0) {
+      if (w / h < Module["forcedAspectRatio"]) {
+        w = Math.round(h * Module["forcedAspectRatio"]);
+      } else {
+        h = Math.round(w / Module["forcedAspectRatio"]);
+      }
+    }
+    if (((document["fullscreenElement"] || document["mozFullScreenElement"] || document["msFullscreenElement"] || document["webkitFullscreenElement"] || document["webkitCurrentFullScreenElement"]) === canvas.parentNode) && (typeof screen != "undefined")) {
+      var factor = Math.min(screen.width / w, screen.height / h);
+      w = Math.round(w * factor);
+      h = Math.round(h * factor);
+    }
+    if (Browser.resizeCanvas) {
+      if (canvas.width != w) canvas.width = w;
+      if (canvas.height != h) canvas.height = h;
+      if (typeof canvas.style != "undefined") {
+        canvas.style.removeProperty("width");
+        canvas.style.removeProperty("height");
+      }
+    } else {
+      if (canvas.width != wNative) canvas.width = wNative;
+      if (canvas.height != hNative) canvas.height = hNative;
+      if (typeof canvas.style != "undefined") {
+        if (w != wNative || h != hNative) {
+          canvas.style.setProperty("width", w + "px", "important");
+          canvas.style.setProperty("height", h + "px", "important");
+        } else {
+          canvas.style.removeProperty("width");
+          canvas.style.removeProperty("height");
+        }
+      }
+    }
+  }
+};
+
+var EGL = {
+  errorCode: 12288,
+  defaultDisplayInitialized: false,
+  currentContext: 0,
+  currentReadSurface: 0,
+  currentDrawSurface: 0,
+  contextAttributes: {
+    alpha: false,
+    depth: false,
+    stencil: false,
+    antialias: false
+  },
+  stringCache: {},
+  setErrorCode(code) {
+    EGL.errorCode = code;
+  },
+  chooseConfig(display, attribList, config, config_size, numConfigs) {
+    if (display != 62e3) {
+      EGL.setErrorCode(12296);
+      return 0;
+    }
+    if (attribList) {
+      // read attribList if it is non-null
+      for (;;) {
+        var param = HEAP32[((attribList) >>> 2) >>> 0];
+        if (param == 12321) {
+          var alphaSize = HEAP32[(((attribList) + (4)) >>> 2) >>> 0];
+          EGL.contextAttributes.alpha = (alphaSize > 0);
+        } else if (param == 12325) {
+          var depthSize = HEAP32[(((attribList) + (4)) >>> 2) >>> 0];
+          EGL.contextAttributes.depth = (depthSize > 0);
+        } else if (param == 12326) {
+          var stencilSize = HEAP32[(((attribList) + (4)) >>> 2) >>> 0];
+          EGL.contextAttributes.stencil = (stencilSize > 0);
+        } else if (param == 12337) {
+          var samples = HEAP32[(((attribList) + (4)) >>> 2) >>> 0];
+          EGL.contextAttributes.antialias = (samples > 0);
+        } else if (param == 12338) {
+          var samples = HEAP32[(((attribList) + (4)) >>> 2) >>> 0];
+          EGL.contextAttributes.antialias = (samples == 1);
+        } else if (param == 12544) {
+          var requestedPriority = HEAP32[(((attribList) + (4)) >>> 2) >>> 0];
+          EGL.contextAttributes.lowLatency = (requestedPriority != 12547);
+        } else if (param == 12344) {
+          break;
+        }
+        attribList += 8;
+      }
+    }
+    if ((!config || !config_size) && !numConfigs) {
+      EGL.setErrorCode(12300);
+      return 0;
+    }
+    if (numConfigs) {
+      HEAP32[((numConfigs) >>> 2) >>> 0] = 1;
+    }
+    if (config && config_size > 0) {
+      HEAPU32[((config) >>> 2) >>> 0] = 62002;
+    }
+    EGL.setErrorCode(12288);
+    return 1;
+  }
+};
+
+var _eglBindAPI = api => {
+  if (api == 12448) {
+    EGL.setErrorCode(12288);
+    return 1;
+  }
+  // if (api == 0x30A1 /* EGL_OPENVG_API */ || api == 0x30A2 /* EGL_OPENGL_API */) {
+  EGL.setErrorCode(12300);
+  return 0;
+};
+
+function _eglChooseConfig(display, attrib_list, configs, config_size, numConfigs) {
+  display >>>= 0;
+  attrib_list >>>= 0;
+  configs >>>= 0;
+  numConfigs >>>= 0;
+  return EGL.chooseConfig(display, attrib_list, configs, config_size, numConfigs);
+}
+
+var GLctx;
+
+var webgl_enable_ANGLE_instanced_arrays = ctx => {
+  // Extension available in WebGL 1 from Firefox 26 and Google Chrome 30 onwards. Core feature in WebGL 2.
+  var ext = ctx.getExtension("ANGLE_instanced_arrays");
+  // Because this extension is a core function in WebGL 2, assign the extension entry points in place of
+  // where the core functions will reside in WebGL 2. This way the calling code can call these without
+  // having to dynamically branch depending if running against WebGL 1 or WebGL 2.
+  if (ext) {
+    ctx["vertexAttribDivisor"] = (index, divisor) => ext["vertexAttribDivisorANGLE"](index, divisor);
+    ctx["drawArraysInstanced"] = (mode, first, count, primcount) => ext["drawArraysInstancedANGLE"](mode, first, count, primcount);
+    ctx["drawElementsInstanced"] = (mode, count, type, indices, primcount) => ext["drawElementsInstancedANGLE"](mode, count, type, indices, primcount);
+    return 1;
+  }
+};
+
+var webgl_enable_OES_vertex_array_object = ctx => {
+  // Extension available in WebGL 1 from Firefox 25 and WebKit 536.28/desktop Safari 6.0.3 onwards. Core feature in WebGL 2.
+  var ext = ctx.getExtension("OES_vertex_array_object");
+  if (ext) {
+    ctx["createVertexArray"] = () => ext["createVertexArrayOES"]();
+    ctx["deleteVertexArray"] = vao => ext["deleteVertexArrayOES"](vao);
+    ctx["bindVertexArray"] = vao => ext["bindVertexArrayOES"](vao);
+    ctx["isVertexArray"] = vao => ext["isVertexArrayOES"](vao);
+    return 1;
+  }
+};
+
+var webgl_enable_WEBGL_draw_buffers = ctx => {
+  // Extension available in WebGL 1 from Firefox 28 onwards. Core feature in WebGL 2.
+  var ext = ctx.getExtension("WEBGL_draw_buffers");
+  if (ext) {
+    ctx["drawBuffers"] = (n, bufs) => ext["drawBuffersWEBGL"](n, bufs);
+    return 1;
+  }
+};
+
+var webgl_enable_EXT_polygon_offset_clamp = ctx => !!(ctx.extPolygonOffsetClamp = ctx.getExtension("EXT_polygon_offset_clamp"));
+
+var webgl_enable_EXT_clip_control = ctx => !!(ctx.extClipControl = ctx.getExtension("EXT_clip_control"));
+
+var webgl_enable_WEBGL_polygon_mode = ctx => !!(ctx.webglPolygonMode = ctx.getExtension("WEBGL_polygon_mode"));
+
+var webgl_enable_WEBGL_multi_draw = ctx => // Closure is expected to be allowed to minify the '.multiDrawWebgl' property, so not accessing it quoted.
+!!(ctx.multiDrawWebgl = ctx.getExtension("WEBGL_multi_draw"));
+
+var getEmscriptenSupportedExtensions = ctx => {
+  // Restrict the list of advertised extensions to those that we actually
+  // support.
+  var supportedExtensions = [ // WebGL 1 extensions
+  "ANGLE_instanced_arrays", "EXT_blend_minmax", "EXT_disjoint_timer_query", "EXT_frag_depth", "EXT_shader_texture_lod", "EXT_sRGB", "OES_element_index_uint", "OES_fbo_render_mipmap", "OES_standard_derivatives", "OES_texture_float", "OES_texture_half_float", "OES_texture_half_float_linear", "OES_vertex_array_object", "WEBGL_color_buffer_float", "WEBGL_depth_texture", "WEBGL_draw_buffers", // WebGL 1 and WebGL 2 extensions
+  "EXT_clip_control", "EXT_color_buffer_half_float", "EXT_depth_clamp", "EXT_float_blend", "EXT_polygon_offset_clamp", "EXT_texture_compression_bptc", "EXT_texture_compression_rgtc", "EXT_texture_filter_anisotropic", "KHR_parallel_shader_compile", "OES_texture_float_linear", "WEBGL_blend_func_extended", "WEBGL_compressed_texture_astc", "WEBGL_compressed_texture_etc", "WEBGL_compressed_texture_etc1", "WEBGL_compressed_texture_s3tc", "WEBGL_compressed_texture_s3tc_srgb", "WEBGL_debug_renderer_info", "WEBGL_debug_shaders", "WEBGL_lose_context", "WEBGL_multi_draw", "WEBGL_polygon_mode" ];
+  // .getSupportedExtensions() can return null if context is lost, so coerce to empty array.
+  return (ctx.getSupportedExtensions() || []).filter(ext => supportedExtensions.includes(ext));
+};
+
+var GL = {
+  counter: 1,
+  buffers: [],
+  programs: [],
+  framebuffers: [],
+  renderbuffers: [],
+  textures: [],
+  shaders: [],
+  vaos: [],
+  contexts: [],
+  offscreenCanvases: {},
+  queries: [],
+  stringCache: {},
+  unpackAlignment: 4,
+  unpackRowLength: 0,
+  recordError: errorCode => {
+    if (!GL.lastError) {
+      GL.lastError = errorCode;
+    }
+  },
+  getNewId: table => {
+    var ret = GL.counter++;
+    for (var i = table.length; i < ret; i++) {
+      table[i] = null;
+    }
+    return ret;
+  },
+  genObject: (n, buffers, createFunction, objectTable) => {
+    for (var i = 0; i < n; i++) {
+      var buffer = GLctx[createFunction]();
+      var id = buffer && GL.getNewId(objectTable);
+      if (buffer) {
+        buffer.name = id;
+        objectTable[id] = buffer;
+      } else {
+        GL.recordError(1282);
+      }
+      HEAP32[(((buffers) + (i * 4)) >>> 2) >>> 0] = id;
+    }
+  },
+  getSource: (shader, count, string, length) => {
+    var source = "";
+    for (var i = 0; i < count; ++i) {
+      var len = length ? HEAPU32[(((length) + (i * 4)) >>> 2) >>> 0] : undefined;
+      source += UTF8ToString(HEAPU32[(((string) + (i * 4)) >>> 2) >>> 0], len);
+    }
+    return source;
+  },
+  createContext: (/** @type {HTMLCanvasElement} */ canvas, webGLContextAttributes) => {
+    // BUG: Workaround Safari WebGL issue: After successfully acquiring WebGL
+    // context on a canvas, calling .getContext() will always return that
+    // context independent of which 'webgl' or 'webgl2'
+    // context version was passed. See:
+    //   https://bugs.webkit.org/show_bug.cgi?id=222758
+    // and:
+    //   https://github.com/emscripten-core/emscripten/issues/13295.
+    // TODO: Once the bug is fixed and shipped in Safari, adjust the Safari
+    // version field in above check.
+    if (!canvas.getContextSafariWebGL2Fixed) {
+      canvas.getContextSafariWebGL2Fixed = canvas.getContext;
+      /** @type {function(this:HTMLCanvasElement, string, (Object|null)=): (Object|null)} */ function fixedGetContext(ver, attrs) {
+        var gl = canvas.getContextSafariWebGL2Fixed(ver, attrs);
+        return ((ver == "webgl") == (gl instanceof WebGLRenderingContext)) ? gl : null;
+      }
+      canvas.getContext = fixedGetContext;
+    }
+    var ctx = canvas.getContext("webgl", webGLContextAttributes);
+    if (!ctx) return 0;
+    var handle = GL.registerContext(ctx, webGLContextAttributes);
+    return handle;
+  },
+  registerContext: (ctx, webGLContextAttributes) => {
+    // without pthreads a context is just an integer ID
+    var handle = GL.getNewId(GL.contexts);
+    var context = {
+      handle,
+      attributes: webGLContextAttributes,
+      version: webGLContextAttributes.majorVersion,
+      GLctx: ctx
+    };
+    // Store the created context object so that we can access the context
+    // given a canvas without having to pass the parameters again.
+    if (ctx.canvas) ctx.canvas.GLctxObject = context;
+    GL.contexts[handle] = context;
+    if (typeof webGLContextAttributes.enableExtensionsByDefault == "undefined" || webGLContextAttributes.enableExtensionsByDefault) {
+      GL.initExtensions(context);
+    }
+    return handle;
+  },
+  makeContextCurrent: contextHandle => {
+    // Active Emscripten GL layer context object.
+    GL.currentContext = GL.contexts[contextHandle];
+    // Active WebGL context object.
+    Module["ctx"] = GLctx = GL.currentContext?.GLctx;
+    return !(contextHandle && !GLctx);
+  },
+  getContext: contextHandle => GL.contexts[contextHandle],
+  deleteContext: contextHandle => {
+    if (GL.currentContext === GL.contexts[contextHandle]) {
+      GL.currentContext = null;
+    }
+    if (typeof JSEvents == "object") {
+      // Release all JS event handlers on the DOM element that the GL context is
+      // associated with since the context is now deleted.
+      JSEvents.removeAllHandlersOnTarget(GL.contexts[contextHandle].GLctx.canvas);
+    }
+    // Make sure the canvas object no longer refers to the context object so
+    // there are no GC surprises.
+    if (GL.contexts[contextHandle]?.GLctx.canvas) {
+      GL.contexts[contextHandle].GLctx.canvas.GLctxObject = undefined;
+    }
+    GL.contexts[contextHandle] = null;
+  },
+  initExtensions: context => {
+    // If this function is called without a specific context object, init the
+    // extensions of the currently active context.
+    context ||= GL.currentContext;
+    if (context.initExtensionsDone) return;
+    context.initExtensionsDone = true;
+    var GLctx = context.GLctx;
+    // Detect the presence of a few extensions manually, ction GL interop
+    // layer itself will need to know if they exist.
+    // Extensions that are available in both WebGL 1 and WebGL 2
+    webgl_enable_WEBGL_multi_draw(GLctx);
+    webgl_enable_EXT_polygon_offset_clamp(GLctx);
+    webgl_enable_EXT_clip_control(GLctx);
+    webgl_enable_WEBGL_polygon_mode(GLctx);
+    // Extensions that are only available in WebGL 1 (the calls will be no-ops
+    // if called on a WebGL 2 context active)
+    webgl_enable_ANGLE_instanced_arrays(GLctx);
+    webgl_enable_OES_vertex_array_object(GLctx);
+    webgl_enable_WEBGL_draw_buffers(GLctx);
+    {
+      GLctx.disjointTimerQueryExt = GLctx.getExtension("EXT_disjoint_timer_query");
+    }
+    getEmscriptenSupportedExtensions(GLctx).forEach(ext => {
+      // WEBGL_lose_context, WEBGL_debug_renderer_info and WEBGL_debug_shaders
+      // are not enabled by default.
+      if (!ext.includes("lose_context") && !ext.includes("debug")) {
+        // Call .getExtension() to enable that extension permanently.
+        GLctx.getExtension(ext);
+      }
+    });
+  }
+};
+
+function _eglCreateContext(display, config, hmm, contextAttribs) {
+  display >>>= 0;
+  config >>>= 0;
+  hmm >>>= 0;
+  contextAttribs >>>= 0;
+  if (display != 62e3) {
+    EGL.setErrorCode(12296);
+    return 0;
+  }
+  // EGL 1.4 spec says default EGL_CONTEXT_CLIENT_VERSION is GLES1, but this is not supported by Emscripten.
+  // So user must pass EGL_CONTEXT_CLIENT_VERSION == 2 to initialize EGL.
+  var glesContextVersion = 1;
+  for (;;) {
+    var param = HEAP32[((contextAttribs) >>> 2) >>> 0];
+    if (param == 12440) {
+      glesContextVersion = HEAP32[(((contextAttribs) + (4)) >>> 2) >>> 0];
+    } else if (param == 12344) {
+      break;
+    } else {
+      /* EGL1.4 specifies only EGL_CONTEXT_CLIENT_VERSION as supported attribute */ EGL.setErrorCode(12292);
+      return 0;
+    }
+    contextAttribs += 8;
+  }
+  if (glesContextVersion != 2) {
+    EGL.setErrorCode(12293);
+    return 0;
+  }
+  EGL.contextAttributes.majorVersion = glesContextVersion - 1;
+  // WebGL 1 is GLES 2, WebGL2 is GLES3
+  EGL.contextAttributes.minorVersion = 0;
+  EGL.context = GL.createContext(Browser.getCanvas(), EGL.contextAttributes);
+  if (EGL.context != 0) {
+    EGL.setErrorCode(12288);
+    // Run callbacks so that GL emulation works
+    GL.makeContextCurrent(EGL.context);
+    Browser.useWebGL = true;
+    Browser.moduleContextCreatedCallbacks.forEach(callback => callback());
+    // Note: This function only creates a context, but it shall not make it active.
+    GL.makeContextCurrent(null);
+    return 62004;
+  } else {
+    EGL.setErrorCode(12297);
+    // By the EGL 1.4 spec, an implementation that does not support GLES2 (WebGL in this case), this error code is set.
+    return 0;
+  }
+}
+
+function _eglCreateWindowSurface(display, config, win, attrib_list) {
+  display >>>= 0;
+  config >>>= 0;
+  attrib_list >>>= 0;
+  if (display != 62e3) {
+    EGL.setErrorCode(12296);
+    return 0;
+  }
+  if (config != 62002) {
+    EGL.setErrorCode(12293);
+    return 0;
+  }
+  // TODO: Examine attrib_list! Parameters that can be present there are:
+  // - EGL_RENDER_BUFFER (must be EGL_BACK_BUFFER)
+  // - EGL_VG_COLORSPACE (can't be set)
+  // - EGL_VG_ALPHA_FORMAT (can't be set)
+  EGL.setErrorCode(12288);
+  return 62006;
+}
+
+function _eglDestroyContext(display, context) {
+  display >>>= 0;
+  context >>>= 0;
+  if (display != 62e3) {
+    EGL.setErrorCode(12296);
+    return 0;
+  }
+  if (context != 62004) {
+    EGL.setErrorCode(12294);
+    return 0;
+  }
+  GL.deleteContext(EGL.context);
+  EGL.setErrorCode(12288);
+  if (EGL.currentContext == context) {
+    EGL.currentContext = 0;
+  }
+  return 1;
+}
+
+function _eglDestroySurface(display, surface) {
+  display >>>= 0;
+  surface >>>= 0;
+  if (display != 62e3) {
+    EGL.setErrorCode(12296);
+    return 0;
+  }
+  if (surface != 62006) {
+    EGL.setErrorCode(12301);
+    return 1;
+  }
+  if (EGL.currentReadSurface == surface) {
+    EGL.currentReadSurface = 0;
+  }
+  if (EGL.currentDrawSurface == surface) {
+    EGL.currentDrawSurface = 0;
+  }
+  EGL.setErrorCode(12288);
+  return 1;
+}
+
+function _eglGetConfigAttrib(display, config, attribute, value) {
+  display >>>= 0;
+  config >>>= 0;
+  value >>>= 0;
+  if (display != 62e3) {
+    EGL.setErrorCode(12296);
+    return 0;
+  }
+  if (config != 62002) {
+    EGL.setErrorCode(12293);
+    return 0;
+  }
+  if (!value) {
+    EGL.setErrorCode(12300);
+    return 0;
+  }
+  EGL.setErrorCode(12288);
+  switch (attribute) {
+   case 12320:
+    // EGL_BUFFER_SIZE
+    HEAP32[((value) >>> 2) >>> 0] = EGL.contextAttributes.alpha ? 32 : 24;
+    return 1;
+
+   case 12321:
+    // EGL_ALPHA_SIZE
+    HEAP32[((value) >>> 2) >>> 0] = EGL.contextAttributes.alpha ? 8 : 0;
+    return 1;
+
+   case 12322:
+    // EGL_BLUE_SIZE
+    HEAP32[((value) >>> 2) >>> 0] = 8;
+    return 1;
+
+   case 12323:
+    // EGL_GREEN_SIZE
+    HEAP32[((value) >>> 2) >>> 0] = 8;
+    return 1;
+
+   case 12324:
+    // EGL_RED_SIZE
+    HEAP32[((value) >>> 2) >>> 0] = 8;
+    return 1;
+
+   case 12325:
+    // EGL_DEPTH_SIZE
+    HEAP32[((value) >>> 2) >>> 0] = EGL.contextAttributes.depth ? 24 : 0;
+    return 1;
+
+   case 12326:
+    // EGL_STENCIL_SIZE
+    HEAP32[((value) >>> 2) >>> 0] = EGL.contextAttributes.stencil ? 8 : 0;
+    return 1;
+
+   case 12327:
+    // EGL_CONFIG_CAVEAT
+    // We can return here one of EGL_NONE (0x3038), EGL_SLOW_CONFIG (0x3050) or EGL_NON_CONFORMANT_CONFIG (0x3051).
+    HEAP32[((value) >>> 2) >>> 0] = 12344;
+    return 1;
+
+   case 12328:
+    // EGL_CONFIG_ID
+    HEAP32[((value) >>> 2) >>> 0] = 62002;
+    return 1;
+
+   case 12329:
+    // EGL_LEVEL
+    HEAP32[((value) >>> 2) >>> 0] = 0;
+    return 1;
+
+   case 12330:
+    // EGL_MAX_PBUFFER_HEIGHT
+    HEAP32[((value) >>> 2) >>> 0] = 4096;
+    return 1;
+
+   case 12331:
+    // EGL_MAX_PBUFFER_PIXELS
+    HEAP32[((value) >>> 2) >>> 0] = 16777216;
+    return 1;
+
+   case 12332:
+    // EGL_MAX_PBUFFER_WIDTH
+    HEAP32[((value) >>> 2) >>> 0] = 4096;
+    return 1;
+
+   case 12333:
+    // EGL_NATIVE_RENDERABLE
+    HEAP32[((value) >>> 2) >>> 0] = 0;
+    return 1;
+
+   case 12334:
+    // EGL_NATIVE_VISUAL_ID
+    HEAP32[((value) >>> 2) >>> 0] = 0;
+    return 1;
+
+   case 12335:
+    // EGL_NATIVE_VISUAL_TYPE
+    HEAP32[((value) >>> 2) >>> 0] = 12344;
+    return 1;
+
+   case 12337:
+    // EGL_SAMPLES
+    HEAP32[((value) >>> 2) >>> 0] = EGL.contextAttributes.antialias ? 4 : 0;
+    return 1;
+
+   case 12338:
+    // EGL_SAMPLE_BUFFERS
+    HEAP32[((value) >>> 2) >>> 0] = EGL.contextAttributes.antialias ? 1 : 0;
+    return 1;
+
+   case 12339:
+    // EGL_SURFACE_TYPE
+    HEAP32[((value) >>> 2) >>> 0] = 4;
+    return 1;
+
+   case 12340:
+    // EGL_TRANSPARENT_TYPE
+    // If this returns EGL_TRANSPARENT_RGB (0x3052), transparency is used through color-keying. No such thing applies to Emscripten canvas.
+    HEAP32[((value) >>> 2) >>> 0] = 12344;
+    return 1;
+
+   case 12341:
+   // EGL_TRANSPARENT_BLUE_VALUE
+    case 12342:
+   // EGL_TRANSPARENT_GREEN_VALUE
+    case 12343:
+    // EGL_TRANSPARENT_RED_VALUE
+    // "If EGL_TRANSPARENT_TYPE is EGL_NONE, then the values for EGL_TRANSPARENT_RED_VALUE, EGL_TRANSPARENT_GREEN_VALUE, and EGL_TRANSPARENT_BLUE_VALUE are undefined."
+    HEAP32[((value) >>> 2) >>> 0] = -1;
+    return 1;
+
+   case 12345:
+   // EGL_BIND_TO_TEXTURE_RGB
+    case 12346:
+    // EGL_BIND_TO_TEXTURE_RGBA
+    HEAP32[((value) >>> 2) >>> 0] = 0;
+    return 1;
+
+   case 12347:
+    // EGL_MIN_SWAP_INTERVAL
+    HEAP32[((value) >>> 2) >>> 0] = 0;
+    return 1;
+
+   case 12348:
+    // EGL_MAX_SWAP_INTERVAL
+    HEAP32[((value) >>> 2) >>> 0] = 1;
+    return 1;
+
+   case 12349:
+   // EGL_LUMINANCE_SIZE
+    case 12350:
+    // EGL_ALPHA_MASK_SIZE
+    HEAP32[((value) >>> 2) >>> 0] = 0;
+    return 1;
+
+   case 12351:
+    // EGL_COLOR_BUFFER_TYPE
+    // EGL has two types of buffers: EGL_RGB_BUFFER and EGL_LUMINANCE_BUFFER.
+    HEAP32[((value) >>> 2) >>> 0] = 12430;
+    return 1;
+
+   case 12352:
+    // EGL_RENDERABLE_TYPE
+    // A bit combination of EGL_OPENGL_ES_BIT,EGL_OPENVG_BIT,EGL_OPENGL_ES2_BIT and EGL_OPENGL_BIT.
+    HEAP32[((value) >>> 2) >>> 0] = 4;
+    return 1;
+
+   case 12354:
+    // EGL_CONFORMANT
+    // "EGL_CONFORMANT is a mask indicating if a client API context created with respect to the corresponding EGLConfig will pass the required conformance tests for that API."
+    HEAP32[((value) >>> 2) >>> 0] = 0;
+    return 1;
+
+   default:
+    EGL.setErrorCode(12292);
+    return 0;
+  }
+}
+
+function _eglGetDisplay(nativeDisplayType) {
+  nativeDisplayType >>>= 0;
+  EGL.setErrorCode(12288);
+  // Emscripten EGL implementation "emulates" X11, and eglGetDisplay is
+  // expected to accept/receive a pointer to an X11 Display object (or
+  // EGL_DEFAULT_DISPLAY).
+  if (nativeDisplayType != 0 && nativeDisplayType != 1) {
+    return 0;
+  }
+  return 62e3;
+}
+
+var _eglGetError = () => EGL.errorCode;
+
+function _eglInitialize(display, majorVersion, minorVersion) {
+  display >>>= 0;
+  majorVersion >>>= 0;
+  minorVersion >>>= 0;
+  if (display != 62e3) {
+    EGL.setErrorCode(12296);
+    return 0;
+  }
+  if (majorVersion) {
+    HEAP32[((majorVersion) >>> 2) >>> 0] = 1;
+  }
+  if (minorVersion) {
+    HEAP32[((minorVersion) >>> 2) >>> 0] = 4;
+  }
+  EGL.defaultDisplayInitialized = true;
+  EGL.setErrorCode(12288);
+  return 1;
+}
+
+function _eglMakeCurrent(display, draw, read, context) {
+  display >>>= 0;
+  draw >>>= 0;
+  read >>>= 0;
+  context >>>= 0;
+  if (display != 62e3) {
+    EGL.setErrorCode(12296);
+    return 0;
+  }
+  //\todo An EGL_NOT_INITIALIZED error is generated if EGL is not initialized for dpy.
+  if (context != 0 && context != 62004) {
+    EGL.setErrorCode(12294);
+    return 0;
+  }
+  if ((read != 0 && read != 62006) || (draw != 0 && draw != 62006)) {
+    EGL.setErrorCode(12301);
+    return 0;
+  }
+  GL.makeContextCurrent(context ? EGL.context : null);
+  EGL.currentContext = context;
+  EGL.currentDrawSurface = draw;
+  EGL.currentReadSurface = read;
+  EGL.setErrorCode(12288);
+  return 1;
+}
+
+var stringToNewUTF8 = str => {
+  var size = lengthBytesUTF8(str) + 1;
+  var ret = _malloc(size);
+  if (ret) stringToUTF8(str, ret, size);
+  return ret;
+};
+
+function _eglQueryString(display, name) {
+  display >>>= 0;
+  if (display != 62e3) {
+    EGL.setErrorCode(12296);
+    return 0;
+  }
+  //\todo An EGL_NOT_INITIALIZED error is generated if EGL is not initialized for dpy.
+  EGL.setErrorCode(12288);
+  if (EGL.stringCache[name]) return EGL.stringCache[name];
+  var ret;
+  switch (name) {
+   case 12371:
+    ret = stringToNewUTF8("Emscripten");
+    break;
+
+   case 12372:
+    ret = stringToNewUTF8("1.4 Emscripten EGL");
+    break;
+
+   case 12373:
+    ret = stringToNewUTF8("");
+    break;
+
+   // Currently not supporting any EGL extensions.
+    case 12429:
+    ret = stringToNewUTF8("OpenGL_ES");
+    break;
+
+   default:
+    EGL.setErrorCode(12300);
+    return 0;
+  }
+  EGL.stringCache[name] = ret;
+  return ret;
+}
+
+function _eglSwapBuffers(dpy, surface) {
+  dpy >>>= 0;
+  surface >>>= 0;
+  if (!EGL.defaultDisplayInitialized) {
+    EGL.setErrorCode(12289);
+  } else if (!GLctx) {
+    EGL.setErrorCode(12290);
+  } else if (GLctx.isContextLost()) {
+    EGL.setErrorCode(12302);
+  } else {
+    // According to documentation this does an implicit flush.
+    // Due to discussion at https://github.com/emscripten-core/emscripten/pull/1871
+    // the flush was removed since this _may_ result in slowing code down.
+    //_glFlush();
+    EGL.setErrorCode(12288);
+    return 1;
+  }
+  return 0;
+}
+
+/**
+     * @param {number=} arg
+     * @param {boolean=} noSetTiming
+     */ var setMainLoop = (iterFunc, fps, simulateInfiniteLoop, arg, noSetTiming) => {
+  MainLoop.func = iterFunc;
+  MainLoop.arg = arg;
+  var thisMainLoopId = MainLoop.currentlyRunningMainloop;
+  function checkIsRunning() {
+    if (thisMainLoopId < MainLoop.currentlyRunningMainloop) {
+      runtimeKeepalivePop();
+      maybeExit();
+      return false;
+    }
+    return true;
+  }
+  // We create the loop runner here but it is not actually running until
+  // _emscripten_set_main_loop_timing is called (which might happen a
+  // later time).  This member signifies that the current runner has not
+  // yet been started so that we can call runtimeKeepalivePush when it
+  // gets it timing set for the first time.
+  MainLoop.running = false;
+  MainLoop.runner = function MainLoop_runner() {
+    if (ABORT) return;
+    if (MainLoop.queue.length > 0) {
+      var start = Date.now();
+      var blocker = MainLoop.queue.shift();
+      blocker.func(blocker.arg);
+      if (MainLoop.remainingBlockers) {
+        var remaining = MainLoop.remainingBlockers;
+        var next = remaining % 1 == 0 ? remaining - 1 : Math.floor(remaining);
+        if (blocker.counted) {
+          MainLoop.remainingBlockers = next;
+        } else {
+          // not counted, but move the progress along a tiny bit
+          next = next + .5;
+          // do not steal all the next one's progress
+          MainLoop.remainingBlockers = (8 * remaining + next) / 9;
+        }
+      }
+      MainLoop.updateStatus();
+      // catches pause/resume main loop from blocker execution
+      if (!checkIsRunning()) return;
+      setTimeout(MainLoop.runner, 0);
+      return;
+    }
+    // catch pauses from non-main loop sources
+    if (!checkIsRunning()) return;
+    // Implement very basic swap interval control
+    MainLoop.currentFrameNumber = MainLoop.currentFrameNumber + 1 | 0;
+    if (MainLoop.timingMode == 1 && MainLoop.timingValue > 1 && MainLoop.currentFrameNumber % MainLoop.timingValue != 0) {
+      // Not the scheduled time to render this frame - skip.
+      MainLoop.scheduler();
+      return;
+    } else if (MainLoop.timingMode == 0) {
+      MainLoop.tickStartTime = _emscripten_get_now();
+    }
+    MainLoop.runIter(iterFunc);
+    // catch pauses from the main loop itself
+    if (!checkIsRunning()) return;
+    MainLoop.scheduler();
+  };
+  if (!noSetTiming) {
+    if (fps > 0) {
+      _emscripten_set_main_loop_timing(0, 1e3 / fps);
+    } else {
+      // Do rAF by rendering each frame (no decimating)
+      _emscripten_set_main_loop_timing(1, 1);
+    }
+    MainLoop.scheduler();
+  }
+  if (simulateInfiniteLoop) {
+    throw "unwind";
+  }
+};
+
+var MainLoop = {
+  running: false,
+  scheduler: null,
+  method: "",
+  currentlyRunningMainloop: 0,
+  func: null,
+  arg: 0,
+  timingMode: 0,
+  timingValue: 0,
+  currentFrameNumber: 0,
+  queue: [],
+  preMainLoop: [],
+  postMainLoop: [],
+  pause() {
+    MainLoop.scheduler = null;
+    // Incrementing this signals the previous main loop that it's now become old, and it must return.
+    MainLoop.currentlyRunningMainloop++;
+  },
+  resume() {
+    MainLoop.currentlyRunningMainloop++;
+    var timingMode = MainLoop.timingMode;
+    var timingValue = MainLoop.timingValue;
+    var func = MainLoop.func;
+    MainLoop.func = null;
+    // do not set timing and call scheduler, we will do it on the next lines
+    setMainLoop(func, 0, false, MainLoop.arg, true);
+    _emscripten_set_main_loop_timing(timingMode, timingValue);
+    MainLoop.scheduler();
+  },
+  updateStatus() {
+    if (Module["setStatus"]) {
+      var message = Module["statusMessage"] || "Please wait...";
+      var remaining = MainLoop.remainingBlockers ?? 0;
+      var expected = MainLoop.expectedBlockers ?? 0;
+      if (remaining) {
+        if (remaining < expected) {
+          Module["setStatus"](`{message} ({expected - remaining}/{expected})`);
+        } else {
+          Module["setStatus"](message);
+        }
+      } else {
+        Module["setStatus"]("");
+      }
+    }
+  },
+  init() {
+    Module["preMainLoop"] && MainLoop.preMainLoop.push(Module["preMainLoop"]);
+    Module["postMainLoop"] && MainLoop.postMainLoop.push(Module["postMainLoop"]);
+  },
+  runIter(func) {
+    if (ABORT) return;
+    for (var pre of MainLoop.preMainLoop) {
+      if (pre() === false) {
+        return;
+      }
+    }
+    callUserCallback(func);
+    for (var post of MainLoop.postMainLoop) {
+      post();
+    }
+  },
+  nextRAF: 0,
+  fakeRequestAnimationFrame(func) {
+    // try to keep 60fps between calls to here
+    var now = Date.now();
+    if (MainLoop.nextRAF === 0) {
+      MainLoop.nextRAF = now + 1e3 / 60;
+    } else {
+      while (now + 2 >= MainLoop.nextRAF) {
+        // fudge a little, to avoid timer jitter causing us to do lots of delay:0
+        MainLoop.nextRAF += 1e3 / 60;
+      }
+    }
+    var delay = Math.max(MainLoop.nextRAF - now, 0);
+    setTimeout(func, delay);
+  },
+  requestAnimationFrame(func) {
+    if (typeof requestAnimationFrame == "function") {
+      requestAnimationFrame(func);
+      return;
+    }
+    var RAF = MainLoop.fakeRequestAnimationFrame;
+    RAF(func);
+  }
+};
+
+var _emscripten_set_main_loop_timing = (mode, value) => {
+  MainLoop.timingMode = mode;
+  MainLoop.timingValue = value;
+  if (!MainLoop.func) {
+    return 1;
+  }
+  if (!MainLoop.running) {
+    runtimeKeepalivePush();
+    MainLoop.running = true;
+  }
+  if (mode == 0) {
+    MainLoop.scheduler = function MainLoop_scheduler_setTimeout() {
+      var timeUntilNextTick = Math.max(0, MainLoop.tickStartTime + value - _emscripten_get_now()) | 0;
+      setTimeout(MainLoop.runner, timeUntilNextTick);
+    };
+    MainLoop.method = "timeout";
+  } else if (mode == 1) {
+    MainLoop.scheduler = function MainLoop_scheduler_rAF() {
+      MainLoop.requestAnimationFrame(MainLoop.runner);
+    };
+    MainLoop.method = "rAF";
+  } else if (mode == 2) {
+    if (typeof MainLoop.setImmediate == "undefined") {
+      if (typeof setImmediate == "undefined") {
+        // Emulate setImmediate. (note: not a complete polyfill, we don't emulate clearImmediate() to keep code size to minimum, since not needed)
+        var setImmediates = [];
+        var emscriptenMainLoopMessageId = "setimmediate";
+        /** @param {Event} event */ var MainLoop_setImmediate_messageHandler = event => {
+          // When called in current thread or Worker, the main loop ID is structured slightly different to accommodate for --proxy-to-worker runtime listening to Worker events,
+          // so check for both cases.
+          if (event.data === emscriptenMainLoopMessageId || event.data.target === emscriptenMainLoopMessageId) {
+            event.stopPropagation();
+            setImmediates.shift()();
+          }
+        };
+        addEventListener("message", MainLoop_setImmediate_messageHandler, true);
+        MainLoop.setImmediate = /** @type{function(function(): ?, ...?): number} */ (func => {
+          setImmediates.push(func);
+          if (ENVIRONMENT_IS_WORKER) {
+            Module["setImmediates"] ??= [];
+            Module["setImmediates"].push(func);
+            postMessage({
+              target: emscriptenMainLoopMessageId
+            });
+          } else postMessage(emscriptenMainLoopMessageId, "*");
+        });
+      } else {
+        MainLoop.setImmediate = setImmediate;
+      }
+    }
+    MainLoop.scheduler = function MainLoop_scheduler_setImmediate() {
+      MainLoop.setImmediate(MainLoop.runner);
+    };
+    MainLoop.method = "immediate";
+  }
+  return 0;
+};
+
+function _eglSwapInterval(display, interval) {
+  display >>>= 0;
+  if (display != 62e3) {
+    EGL.setErrorCode(12296);
+    return 0;
+  }
+  if (interval == 0) _emscripten_set_main_loop_timing(0, 0); else _emscripten_set_main_loop_timing(1, interval);
+  EGL.setErrorCode(12288);
+  return 1;
+}
+
+function _eglTerminate(display) {
+  display >>>= 0;
+  if (display != 62e3) {
+    EGL.setErrorCode(12296);
+    return 0;
+  }
+  EGL.currentContext = 0;
+  EGL.currentReadSurface = 0;
+  EGL.currentDrawSurface = 0;
+  EGL.defaultDisplayInitialized = false;
+  EGL.setErrorCode(12288);
+  return 1;
+}
+
+/** @suppress {duplicate } */ var _eglWaitClient = () => {
+  EGL.setErrorCode(12288);
+  return 1;
+};
+
+var _eglWaitGL = _eglWaitClient;
+
+var _eglWaitNative = nativeEngineId => {
+  EGL.setErrorCode(12288);
+  return 1;
+};
+
+var readEmAsmArgsArray = [];
+
+var readEmAsmArgs = (sigPtr, buf) => {
+  readEmAsmArgsArray.length = 0;
+  var ch;
+  // Most arguments are i32s, so shift the buffer pointer so it is a plain
+  // index into HEAP32.
+  while (ch = HEAPU8[sigPtr++ >>> 0]) {
+    // Floats are always passed as doubles, so all types except for 'i'
+    // are 8 bytes and require alignment.
+    var wide = (ch != 105);
+    wide &= (ch != 112);
+    buf += wide && (buf % 8) ? 4 : 0;
+    readEmAsmArgsArray.push(// Special case for pointers under wasm64 or CAN_ADDRESS_2GB mode.
+    ch == 112 ? HEAPU32[((buf) >>> 2) >>> 0] : ch == 106 ? HEAP64[((buf) >>> 3)] : ch == 105 ? HEAP32[((buf) >>> 2) >>> 0] : HEAPF64[((buf) >>> 3) >>> 0]);
+    buf += wide ? 8 : 4;
+  }
+  return readEmAsmArgsArray;
+};
+
+var runEmAsmFunction = (code, sigPtr, argbuf) => {
+  var args = readEmAsmArgs(sigPtr, argbuf);
+  return ASM_CONSTS[code](...args);
+};
+
+function _emscripten_asm_const_int(code, sigPtr, argbuf) {
+  code >>>= 0;
+  sigPtr >>>= 0;
+  argbuf >>>= 0;
+  return runEmAsmFunction(code, sigPtr, argbuf);
+}
+
+var runMainThreadEmAsm = (emAsmAddr, sigPtr, argbuf, sync) => {
+  var args = readEmAsmArgs(sigPtr, argbuf);
+  return ASM_CONSTS[emAsmAddr](...args);
+};
+
+function _emscripten_asm_const_int_sync_on_main_thread(emAsmAddr, sigPtr, argbuf) {
+  emAsmAddr >>>= 0;
+  sigPtr >>>= 0;
+  argbuf >>>= 0;
+  return runMainThreadEmAsm(emAsmAddr, sigPtr, argbuf, 1);
+}
+
+function _emscripten_asm_const_ptr_sync_on_main_thread(emAsmAddr, sigPtr, argbuf) {
+  emAsmAddr >>>= 0;
+  sigPtr >>>= 0;
+  argbuf >>>= 0;
+  return runMainThreadEmAsm(emAsmAddr, sigPtr, argbuf, 1);
+}
+
+var _emscripten_cancel_main_loop = () => {
+  MainLoop.pause();
+  MainLoop.func = null;
+};
+
+var onExits = [];
+
+var addOnExit = cb => onExits.unshift(cb);
+
+var JSEvents = {
+  memcpy(target, src, size) {
+    HEAP8.set(HEAP8.subarray(src >>> 0, src + size >>> 0), target >>> 0);
+  },
+  removeAllEventListeners() {
+    while (JSEvents.eventHandlers.length) {
+      JSEvents._removeHandler(JSEvents.eventHandlers.length - 1);
+    }
+    JSEvents.deferredCalls = [];
+  },
+  registerRemoveEventListeners() {
+    if (!JSEvents.removeEventListenersRegistered) {
+      addOnExit(JSEvents.removeAllEventListeners);
+      JSEvents.removeEventListenersRegistered = true;
+    }
+  },
+  inEventHandler: 0,
+  deferredCalls: [],
+  deferCall(targetFunction, precedence, argsList) {
+    function arraysHaveEqualContent(arrA, arrB) {
+      if (arrA.length != arrB.length) return false;
+      for (var i in arrA) {
+        if (arrA[i] != arrB[i]) return false;
+      }
+      return true;
+    }
+    // Test if the given call was already queued, and if so, don't add it again.
+    for (var call of JSEvents.deferredCalls) {
+      if (call.targetFunction == targetFunction && arraysHaveEqualContent(call.argsList, argsList)) {
+        return;
+      }
+    }
+    JSEvents.deferredCalls.push({
+      targetFunction,
+      precedence,
+      argsList
+    });
+    JSEvents.deferredCalls.sort((x, y) => x.precedence < y.precedence);
+  },
+  removeDeferredCalls(targetFunction) {
+    JSEvents.deferredCalls = JSEvents.deferredCalls.filter(call => call.targetFunction != targetFunction);
+  },
+  canPerformEventHandlerRequests() {
+    if (navigator.userActivation) {
+      // Verify against transient activation status from UserActivation API
+      // whether it is possible to perform a request here without needing to defer. See
+      // https://developer.mozilla.org/en-US/docs/Web/Security/User_activation#transient_activation
+      // and https://caniuse.com/mdn-api_useractivation
+      // At the time of writing, Firefox does not support this API: https://bugzilla.mozilla.org/show_bug.cgi?id=1791079
+      return navigator.userActivation.isActive;
+    }
+    return JSEvents.inEventHandler && JSEvents.currentEventHandler.allowsDeferredCalls;
+  },
+  runDeferredCalls() {
+    if (!JSEvents.canPerformEventHandlerRequests()) {
+      return;
+    }
+    var deferredCalls = JSEvents.deferredCalls;
+    JSEvents.deferredCalls = [];
+    for (var call of deferredCalls) {
+      call.targetFunction(...call.argsList);
+    }
+  },
+  eventHandlers: [],
+  removeAllHandlersOnTarget: (target, eventTypeString) => {
+    for (var i = 0; i < JSEvents.eventHandlers.length; ++i) {
+      if (JSEvents.eventHandlers[i].target == target && (!eventTypeString || eventTypeString == JSEvents.eventHandlers[i].eventTypeString)) {
+        JSEvents._removeHandler(i--);
+      }
+    }
+  },
+  _removeHandler(i) {
+    var h = JSEvents.eventHandlers[i];
+    h.target.removeEventListener(h.eventTypeString, h.eventListenerFunc, h.useCapture);
+    JSEvents.eventHandlers.splice(i, 1);
+  },
+  registerOrRemoveHandler(eventHandler) {
+    if (!eventHandler.target) {
+      return -4;
+    }
+    if (eventHandler.callbackfunc) {
+      eventHandler.eventListenerFunc = function(event) {
+        // Increment nesting count for the event handler.
+        ++JSEvents.inEventHandler;
+        JSEvents.currentEventHandler = eventHandler;
+        // Process any old deferred calls the user has placed.
+        JSEvents.runDeferredCalls();
+        // Process the actual event, calls back to user C code handler.
+        eventHandler.handlerFunc(event);
+        // Process any new deferred calls that were placed right now from this event handler.
+        JSEvents.runDeferredCalls();
+        // Out of event handler - restore nesting count.
+        --JSEvents.inEventHandler;
+      };
+      eventHandler.target.addEventListener(eventHandler.eventTypeString, eventHandler.eventListenerFunc, eventHandler.useCapture);
+      JSEvents.eventHandlers.push(eventHandler);
+      JSEvents.registerRemoveEventListeners();
+    } else {
+      for (var i = 0; i < JSEvents.eventHandlers.length; ++i) {
+        if (JSEvents.eventHandlers[i].target == eventHandler.target && JSEvents.eventHandlers[i].eventTypeString == eventHandler.eventTypeString) {
+          JSEvents._removeHandler(i--);
+        }
+      }
+    }
+    return 0;
+  },
+  getNodeNameForTarget(target) {
+    if (!target) return "";
+    if (target == window) return "#window";
+    if (target == screen) return "#screen";
+    return target?.nodeName || "";
+  },
+  fullscreenEnabled() {
+    return document.fullscreenEnabled || document.webkitFullscreenEnabled;
+  }
+};
+
+/** @type {Object} */ var specialHTMLTargets = [ 0, document, window ];
+
+var maybeCStringToJsString = cString => cString > 2 ? UTF8ToString(cString) : cString;
+
+/** @suppress {duplicate } */ var findEventTarget = target => {
+  target = maybeCStringToJsString(target);
+  var domElement = specialHTMLTargets[target] || document.querySelector(target);
+  return domElement;
+};
+
+var findCanvasEventTarget = findEventTarget;
+
+function _emscripten_get_canvas_element_size(target, width, height) {
+  target >>>= 0;
+  width >>>= 0;
+  height >>>= 0;
+  var canvas = findCanvasEventTarget(target);
+  if (!canvas) return -4;
+  HEAP32[((width) >>> 2) >>> 0] = canvas.width;
+  HEAP32[((height) >>> 2) >>> 0] = canvas.height;
+}
+
+var stackAlloc = sz => __emscripten_stack_alloc(sz);
+
+var stringToUTF8OnStack = str => {
+  var size = lengthBytesUTF8(str) + 1;
+  var ret = stackAlloc(size);
+  stringToUTF8(str, ret, size);
+  return ret;
+};
+
+var getCanvasElementSize = target => {
+  var sp = stackSave();
+  var w = stackAlloc(8);
+  var h = w + 4;
+  var targetInt = stringToUTF8OnStack(target.id);
+  var ret = _emscripten_get_canvas_element_size(targetInt, w, h);
+  var size = [ HEAP32[((w) >>> 2) >>> 0], HEAP32[((h) >>> 2) >>> 0] ];
+  stackRestore(sp);
+  return size;
+};
+
+function _emscripten_set_canvas_element_size(target, width, height) {
+  target >>>= 0;
+  var canvas = findCanvasEventTarget(target);
+  if (!canvas) return -4;
+  canvas.width = width;
+  canvas.height = height;
+  return 0;
+}
+
+var setCanvasElementSize = (target, width, height) => {
+  if (!target.controlTransferredOffscreen) {
+    target.width = width;
+    target.height = height;
+  } else {
+    // This function is being called from high-level JavaScript code instead of asm.js/Wasm,
+    // and it needs to synchronously proxy over to another thread, so marshal the string onto the heap to do the call.
+    var sp = stackSave();
+    var targetInt = stringToUTF8OnStack(target.id);
+    _emscripten_set_canvas_element_size(targetInt, width, height);
+    stackRestore(sp);
+  }
+};
+
+var currentFullscreenStrategy = {};
+
+/** @type {WebAssembly.Table} */ var wasmTable;
+
+/** @suppress{checkTypes} */ var getWasmTableEntry = funcPtr => wasmTable.get(funcPtr);
+
+var registerRestoreOldStyle = canvas => {
+  var canvasSize = getCanvasElementSize(canvas);
+  var oldWidth = canvasSize[0];
+  var oldHeight = canvasSize[1];
+  var oldCssWidth = canvas.style.width;
+  var oldCssHeight = canvas.style.height;
+  var oldBackgroundColor = canvas.style.backgroundColor;
+  // Chrome reads color from here.
+  var oldDocumentBackgroundColor = document.body.style.backgroundColor;
+  // IE11 reads color from here.
+  // Firefox always has black background color.
+  var oldPaddingLeft = canvas.style.paddingLeft;
+  // Chrome, FF, Safari
+  var oldPaddingRight = canvas.style.paddingRight;
+  var oldPaddingTop = canvas.style.paddingTop;
+  var oldPaddingBottom = canvas.style.paddingBottom;
+  var oldMarginLeft = canvas.style.marginLeft;
+  // IE11
+  var oldMarginRight = canvas.style.marginRight;
+  var oldMarginTop = canvas.style.marginTop;
+  var oldMarginBottom = canvas.style.marginBottom;
+  var oldDocumentBodyMargin = document.body.style.margin;
+  var oldDocumentOverflow = document.documentElement.style.overflow;
+  // Chrome, Firefox
+  var oldDocumentScroll = document.body.scroll;
+  // IE
+  var oldImageRendering = canvas.style.imageRendering;
+  function restoreOldStyle() {
+    var fullscreenElement = document.fullscreenElement || document.webkitFullscreenElement;
+    if (!fullscreenElement) {
+      document.removeEventListener("fullscreenchange", restoreOldStyle);
+      // Unprefixed Fullscreen API shipped in Chromium 71 (https://bugs.chromium.org/p/chromium/issues/detail?id=383813)
+      // As of Safari 13.0.3 on macOS Catalina 10.15.1 still ships with prefixed webkitfullscreenchange. TODO: revisit this check once Safari ships unprefixed version.
+      document.removeEventListener("webkitfullscreenchange", restoreOldStyle);
+      setCanvasElementSize(canvas, oldWidth, oldHeight);
+      canvas.style.width = oldCssWidth;
+      canvas.style.height = oldCssHeight;
+      canvas.style.backgroundColor = oldBackgroundColor;
+      // Chrome
+      // IE11 hack: assigning 'undefined' or an empty string to document.body.style.backgroundColor has no effect, so first assign back the default color
+      // before setting the undefined value. Setting undefined value is also important, or otherwise we would later treat that as something that the user
+      // had explicitly set so subsequent fullscreen transitions would not set background color properly.
+      if (!oldDocumentBackgroundColor) document.body.style.backgroundColor = "white";
+      document.body.style.backgroundColor = oldDocumentBackgroundColor;
+      // IE11
+      canvas.style.paddingLeft = oldPaddingLeft;
+      // Chrome, FF, Safari
+      canvas.style.paddingRight = oldPaddingRight;
+      canvas.style.paddingTop = oldPaddingTop;
+      canvas.style.paddingBottom = oldPaddingBottom;
+      canvas.style.marginLeft = oldMarginLeft;
+      // IE11
+      canvas.style.marginRight = oldMarginRight;
+      canvas.style.marginTop = oldMarginTop;
+      canvas.style.marginBottom = oldMarginBottom;
+      document.body.style.margin = oldDocumentBodyMargin;
+      document.documentElement.style.overflow = oldDocumentOverflow;
+      // Chrome, Firefox
+      document.body.scroll = oldDocumentScroll;
+      // IE
+      canvas.style.imageRendering = oldImageRendering;
+      if (canvas.GLctxObject) canvas.GLctxObject.GLctx.viewport(0, 0, oldWidth, oldHeight);
+      if (currentFullscreenStrategy.canvasResizedCallback) {
+        getWasmTableEntry(currentFullscreenStrategy.canvasResizedCallback)(37, 0, currentFullscreenStrategy.canvasResizedCallbackUserData);
+      }
+    }
+  }
+  document.addEventListener("fullscreenchange", restoreOldStyle);
+  // Unprefixed Fullscreen API shipped in Chromium 71 (https://bugs.chromium.org/p/chromium/issues/detail?id=383813)
+  // As of Safari 13.0.3 on macOS Catalina 10.15.1 still ships with prefixed webkitfullscreenchange. TODO: revisit this check once Safari ships unprefixed version.
+  document.addEventListener("webkitfullscreenchange", restoreOldStyle);
+  return restoreOldStyle;
+};
+
+var setLetterbox = (element, topBottom, leftRight) => {
+  // Cannot use margin to specify letterboxes in FF or Chrome, since those ignore margins in fullscreen mode.
+  element.style.paddingLeft = element.style.paddingRight = leftRight + "px";
+  element.style.paddingTop = element.style.paddingBottom = topBottom + "px";
+};
+
+var getBoundingClientRect = e => specialHTMLTargets.indexOf(e) < 0 ? e.getBoundingClientRect() : {
+  "left": 0,
+  "top": 0
+};
+
+var JSEvents_resizeCanvasForFullscreen = (target, strategy) => {
+  var restoreOldStyle = registerRestoreOldStyle(target);
+  var cssWidth = strategy.softFullscreen ? innerWidth : screen.width;
+  var cssHeight = strategy.softFullscreen ? innerHeight : screen.height;
+  var rect = getBoundingClientRect(target);
+  var windowedCssWidth = rect.width;
+  var windowedCssHeight = rect.height;
+  var canvasSize = getCanvasElementSize(target);
+  var windowedRttWidth = canvasSize[0];
+  var windowedRttHeight = canvasSize[1];
+  if (strategy.scaleMode == 3) {
+    setLetterbox(target, (cssHeight - windowedCssHeight) / 2, (cssWidth - windowedCssWidth) / 2);
+    cssWidth = windowedCssWidth;
+    cssHeight = windowedCssHeight;
+  } else if (strategy.scaleMode == 2) {
+    if (cssWidth * windowedRttHeight < windowedRttWidth * cssHeight) {
+      var desiredCssHeight = windowedRttHeight * cssWidth / windowedRttWidth;
+      setLetterbox(target, (cssHeight - desiredCssHeight) / 2, 0);
+      cssHeight = desiredCssHeight;
+    } else {
+      var desiredCssWidth = windowedRttWidth * cssHeight / windowedRttHeight;
+      setLetterbox(target, 0, (cssWidth - desiredCssWidth) / 2);
+      cssWidth = desiredCssWidth;
+    }
+  }
+  // If we are adding padding, must choose a background color or otherwise Chrome will give the
+  // padding a default white color. Do it only if user has not customized their own background color.
+  target.style.backgroundColor ||= "black";
+  // IE11 does the same, but requires the color to be set in the document body.
+  document.body.style.backgroundColor ||= "black";
+  // IE11
+  // Firefox always shows black letterboxes independent of style color.
+  target.style.width = cssWidth + "px";
+  target.style.height = cssHeight + "px";
+  if (strategy.filteringMode == 1) {
+    target.style.imageRendering = "optimizeSpeed";
+    target.style.imageRendering = "-moz-crisp-edges";
+    target.style.imageRendering = "-o-crisp-edges";
+    target.style.imageRendering = "-webkit-optimize-contrast";
+    target.style.imageRendering = "optimize-contrast";
+    target.style.imageRendering = "crisp-edges";
+    target.style.imageRendering = "pixelated";
+  }
+  var dpiScale = (strategy.canvasResolutionScaleMode == 2) ? devicePixelRatio : 1;
+  if (strategy.canvasResolutionScaleMode != 0) {
+    var newWidth = (cssWidth * dpiScale) | 0;
+    var newHeight = (cssHeight * dpiScale) | 0;
+    setCanvasElementSize(target, newWidth, newHeight);
+    if (target.GLctxObject) target.GLctxObject.GLctx.viewport(0, 0, newWidth, newHeight);
+  }
+  return restoreOldStyle;
+};
+
+var JSEvents_requestFullscreen = (target, strategy) => {
+  // EMSCRIPTEN_FULLSCREEN_SCALE_DEFAULT + EMSCRIPTEN_FULLSCREEN_CANVAS_SCALE_NONE is a mode where no extra logic is performed to the DOM elements.
+  if (strategy.scaleMode != 0 || strategy.canvasResolutionScaleMode != 0) {
+    JSEvents_resizeCanvasForFullscreen(target, strategy);
+  }
+  if (target.requestFullscreen) {
+    target.requestFullscreen();
+  } else if (target.webkitRequestFullscreen) {
+    target.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT);
+  } else {
+    return JSEvents.fullscreenEnabled() ? -3 : -1;
+  }
+  currentFullscreenStrategy = strategy;
+  if (strategy.canvasResizedCallback) {
+    getWasmTableEntry(strategy.canvasResizedCallback)(37, 0, strategy.canvasResizedCallbackUserData);
+  }
+  return 0;
+};
+
+var _emscripten_exit_fullscreen = () => {
+  if (!JSEvents.fullscreenEnabled()) return -1;
+  // Make sure no queued up calls will fire after this.
+  JSEvents.removeDeferredCalls(JSEvents_requestFullscreen);
+  var d = specialHTMLTargets[1];
+  if (d.exitFullscreen) {
+    d.fullscreenElement && d.exitFullscreen();
+  } else if (d.webkitExitFullscreen) {
+    d.webkitFullscreenElement && d.webkitExitFullscreen();
+  } else {
+    return -1;
+  }
+  return 0;
+};
+
+var requestPointerLock = target => {
+  if (target.requestPointerLock) {
+    target.requestPointerLock();
+  } else {
+    // document.body is known to accept pointer lock, so use that to differentiate if the user passed a bad element,
+    // or if the whole browser just doesn't support the feature.
+    if (document.body.requestPointerLock) {
+      return -3;
+    }
+    return -1;
+  }
+  return 0;
+};
+
+var _emscripten_exit_pointerlock = () => {
+  // Make sure no queued up calls will fire after this.
+  JSEvents.removeDeferredCalls(requestPointerLock);
+  if (document.exitPointerLock) {
+    document.exitPointerLock();
+  } else {
+    return -1;
+  }
+  return 0;
+};
+
+var __emscripten_runtime_keepalive_clear = () => {
+  noExitRuntime = false;
+  runtimeKeepaliveCounter = 0;
+};
+
+var _emscripten_force_exit = status => {
+  __emscripten_runtime_keepalive_clear();
+  _exit(status);
+};
+
+var _emscripten_get_device_pixel_ratio = () => devicePixelRatio;
+
+function _emscripten_get_element_css_size(target, width, height) {
+  target >>>= 0;
+  width >>>= 0;
+  height >>>= 0;
+  target = findEventTarget(target);
+  if (!target) return -4;
+  var rect = getBoundingClientRect(target);
+  HEAPF64[((width) >>> 3) >>> 0] = rect.width;
+  HEAPF64[((height) >>> 3) >>> 0] = rect.height;
+  return 0;
+}
+
+var fillGamepadEventData = (eventStruct, e) => {
+  HEAPF64[((eventStruct) >>> 3) >>> 0] = e.timestamp;
+  for (var i = 0; i < e.axes.length; ++i) {
+    HEAPF64[(((eventStruct + i * 8) + (16)) >>> 3) >>> 0] = e.axes[i];
+  }
+  for (var i = 0; i < e.buttons.length; ++i) {
+    if (typeof e.buttons[i] == "object") {
+      HEAPF64[(((eventStruct + i * 8) + (528)) >>> 3) >>> 0] = e.buttons[i].value;
+    } else {
+      HEAPF64[(((eventStruct + i * 8) + (528)) >>> 3) >>> 0] = e.buttons[i];
+    }
+  }
+  for (var i = 0; i < e.buttons.length; ++i) {
+    if (typeof e.buttons[i] == "object") {
+      HEAP8[(eventStruct + i) + (1040) >>> 0] = e.buttons[i].pressed;
+    } else {
+      // Assigning a boolean to HEAP32, that's ok, but Closure would like to warn about it:
+      /** @suppress {checkTypes} */ HEAP8[(eventStruct + i) + (1040) >>> 0] = e.buttons[i] == 1;
+    }
+  }
+  HEAP8[(eventStruct) + (1104) >>> 0] = e.connected;
+  HEAP32[(((eventStruct) + (1108)) >>> 2) >>> 0] = e.index;
+  HEAP32[(((eventStruct) + (8)) >>> 2) >>> 0] = e.axes.length;
+  HEAP32[(((eventStruct) + (12)) >>> 2) >>> 0] = e.buttons.length;
+  stringToUTF8(e.id, eventStruct + 1112, 64);
+  stringToUTF8(e.mapping, eventStruct + 1176, 64);
+};
+
+function _emscripten_get_gamepad_status(index, gamepadState) {
+  gamepadState >>>= 0;
+  // INVALID_PARAM is returned on a Gamepad index that never was there.
+  if (index < 0 || index >= JSEvents.lastGamepadState.length) return -5;
+  // NO_DATA is returned on a Gamepad index that was removed.
+  // For previously disconnected gamepads there should be an empty slot (null/undefined/false) at the index.
+  // This is because gamepads must keep their original position in the array.
+  // For example, removing the first of two gamepads produces [null/undefined/false, gamepad].
+  if (!JSEvents.lastGamepadState[index]) return -7;
+  fillGamepadEventData(gamepadState, JSEvents.lastGamepadState[index]);
+  return 0;
+}
+
+var getHeapMax = () => // Stay one Wasm page short of 4GB: while e.g. Chrome is able to allocate
+// full 4GB Wasm memories, the size will wrap back to 0 bytes in Wasm side
+// for any code that deals with heap sizes, which would require special
+// casing all heap size related code to treat 0 specially.
+4294901760;
+
+function _emscripten_get_heap_max() {
+  return getHeapMax();
+}
+
+var _emscripten_get_num_gamepads = () => JSEvents.lastGamepadState.length;
+
+function _emscripten_get_screen_size(width, height) {
+  width >>>= 0;
+  height >>>= 0;
+  HEAP32[((width) >>> 2) >>> 0] = screen.width;
+  HEAP32[((height) >>> 2) >>> 0] = screen.height;
+}
+
+/** @suppress {duplicate } */ var _glActiveTexture = x0 => GLctx.activeTexture(x0);
+
+var _emscripten_glActiveTexture = _glActiveTexture;
+
+/** @suppress {duplicate } */ var _glAttachShader = (program, shader) => {
+  GLctx.attachShader(GL.programs[program], GL.shaders[shader]);
+};
+
+var _emscripten_glAttachShader = _glAttachShader;
+
+/** @suppress {duplicate } */ var _glBeginQueryEXT = (target, id) => {
+  GLctx.disjointTimerQueryExt["beginQueryEXT"](target, GL.queries[id]);
+};
+
+var _emscripten_glBeginQueryEXT = _glBeginQueryEXT;
+
+/** @suppress {duplicate } */ function _glBindAttribLocation(program, index, name) {
+  name >>>= 0;
+  GLctx.bindAttribLocation(GL.programs[program], index, UTF8ToString(name));
+}
+
+var _emscripten_glBindAttribLocation = _glBindAttribLocation;
+
+/** @suppress {duplicate } */ var _glBindBuffer = (target, buffer) => {
+  GLctx.bindBuffer(target, GL.buffers[buffer]);
+};
+
+var _emscripten_glBindBuffer = _glBindBuffer;
+
+/** @suppress {duplicate } */ var _glBindFramebuffer = (target, framebuffer) => {
+  GLctx.bindFramebuffer(target, GL.framebuffers[framebuffer]);
+};
+
+var _emscripten_glBindFramebuffer = _glBindFramebuffer;
+
+/** @suppress {duplicate } */ var _glBindRenderbuffer = (target, renderbuffer) => {
+  GLctx.bindRenderbuffer(target, GL.renderbuffers[renderbuffer]);
+};
+
+var _emscripten_glBindRenderbuffer = _glBindRenderbuffer;
+
+/** @suppress {duplicate } */ var _glBindTexture = (target, texture) => {
+  GLctx.bindTexture(target, GL.textures[texture]);
+};
+
+var _emscripten_glBindTexture = _glBindTexture;
+
+/** @suppress {duplicate } */ var _glBindVertexArray = vao => {
+  GLctx.bindVertexArray(GL.vaos[vao]);
+};
+
+/** @suppress {duplicate } */ var _glBindVertexArrayOES = _glBindVertexArray;
+
+var _emscripten_glBindVertexArrayOES = _glBindVertexArrayOES;
+
+/** @suppress {duplicate } */ var _glBlendColor = (x0, x1, x2, x3) => GLctx.blendColor(x0, x1, x2, x3);
+
+var _emscripten_glBlendColor = _glBlendColor;
+
+/** @suppress {duplicate } */ var _glBlendEquation = x0 => GLctx.blendEquation(x0);
+
+var _emscripten_glBlendEquation = _glBlendEquation;
+
+/** @suppress {duplicate } */ var _glBlendEquationSeparate = (x0, x1) => GLctx.blendEquationSeparate(x0, x1);
+
+var _emscripten_glBlendEquationSeparate = _glBlendEquationSeparate;
+
+/** @suppress {duplicate } */ var _glBlendFunc = (x0, x1) => GLctx.blendFunc(x0, x1);
+
+var _emscripten_glBlendFunc = _glBlendFunc;
+
+/** @suppress {duplicate } */ var _glBlendFuncSeparate = (x0, x1, x2, x3) => GLctx.blendFuncSeparate(x0, x1, x2, x3);
+
+var _emscripten_glBlendFuncSeparate = _glBlendFuncSeparate;
+
+/** @suppress {duplicate } */ function _glBufferData(target, size, data, usage) {
+  size >>>= 0;
+  data >>>= 0;
+  // 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 >>> 0, data + size >>> 0) : size, usage);
+}
+
+var _emscripten_glBufferData = _glBufferData;
+
+/** @suppress {duplicate } */ function _glBufferSubData(target, offset, size, data) {
+  offset >>>= 0;
+  size >>>= 0;
+  data >>>= 0;
+  GLctx.bufferSubData(target, offset, HEAPU8.subarray(data >>> 0, data + size >>> 0));
+}
+
+var _emscripten_glBufferSubData = _glBufferSubData;
+
+/** @suppress {duplicate } */ var _glCheckFramebufferStatus = x0 => GLctx.checkFramebufferStatus(x0);
+
+var _emscripten_glCheckFramebufferStatus = _glCheckFramebufferStatus;
+
+/** @suppress {duplicate } */ var _glClear = x0 => GLctx.clear(x0);
+
+var _emscripten_glClear = _glClear;
+
+/** @suppress {duplicate } */ var _glClearColor = (x0, x1, x2, x3) => GLctx.clearColor(x0, x1, x2, x3);
+
+var _emscripten_glClearColor = _glClearColor;
+
+/** @suppress {duplicate } */ var _glClearDepthf = x0 => GLctx.clearDepth(x0);
+
+var _emscripten_glClearDepthf = _glClearDepthf;
+
+/** @suppress {duplicate } */ var _glClearStencil = x0 => GLctx.clearStencil(x0);
+
+var _emscripten_glClearStencil = _glClearStencil;
+
+/** @suppress {duplicate } */ var _glClipControlEXT = (origin, depth) => {
+  GLctx.extClipControl["clipControlEXT"](origin, depth);
+};
+
+var _emscripten_glClipControlEXT = _glClipControlEXT;
+
+/** @suppress {duplicate } */ var _glColorMask = (red, green, blue, alpha) => {
+  GLctx.colorMask(!!red, !!green, !!blue, !!alpha);
+};
+
+var _emscripten_glColorMask = _glColorMask;
+
+/** @suppress {duplicate } */ var _glCompileShader = shader => {
+  GLctx.compileShader(GL.shaders[shader]);
+};
+
+var _emscripten_glCompileShader = _glCompileShader;
+
+/** @suppress {duplicate } */ function _glCompressedTexImage2D(target, level, internalFormat, width, height, border, imageSize, data) {
+  data >>>= 0;
+  // `data` may be null here, which means "allocate uniniitalized space but
+  // don't upload" in GLES parlance, but `compressedTexImage2D` requires the
+  // final data parameter, so we simply pass a heap view starting at zero
+  // effectively uploading whatever happens to be near address zero.  See
+  // https://github.com/emscripten-core/emscripten/issues/19300.
+  GLctx.compressedTexImage2D(target, level, internalFormat, width, height, border, HEAPU8.subarray((data) >>> 0, data + imageSize >>> 0));
+}
+
+var _emscripten_glCompressedTexImage2D = _glCompressedTexImage2D;
+
+/** @suppress {duplicate } */ function _glCompressedTexSubImage2D(target, level, xoffset, yoffset, width, height, format, imageSize, data) {
+  data >>>= 0;
+  GLctx.compressedTexSubImage2D(target, level, xoffset, yoffset, width, height, format, HEAPU8.subarray((data) >>> 0, data + imageSize >>> 0));
+}
+
+var _emscripten_glCompressedTexSubImage2D = _glCompressedTexSubImage2D;
+
+/** @suppress {duplicate } */ var _glCopyTexImage2D = (x0, x1, x2, x3, x4, x5, x6, x7) => GLctx.copyTexImage2D(x0, x1, x2, x3, x4, x5, x6, x7);
+
+var _emscripten_glCopyTexImage2D = _glCopyTexImage2D;
+
+/** @suppress {duplicate } */ var _glCopyTexSubImage2D = (x0, x1, x2, x3, x4, x5, x6, x7) => GLctx.copyTexSubImage2D(x0, x1, x2, x3, x4, x5, x6, x7);
+
+var _emscripten_glCopyTexSubImage2D = _glCopyTexSubImage2D;
+
+/** @suppress {duplicate } */ var _glCreateProgram = () => {
+  var id = GL.getNewId(GL.programs);
+  var program = GLctx.createProgram();
+  // Store additional information needed for each shader program:
+  program.name = id;
+  // Lazy cache results of
+  // glGetProgramiv(GL_ACTIVE_UNIFORM_MAX_LENGTH/GL_ACTIVE_ATTRIBUTE_MAX_LENGTH/GL_ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH)
+  program.maxUniformLength = program.maxAttributeLength = program.maxUniformBlockNameLength = 0;
+  program.uniformIdCounter = 1;
+  GL.programs[id] = program;
+  return id;
+};
+
+var _emscripten_glCreateProgram = _glCreateProgram;
+
+/** @suppress {duplicate } */ var _glCreateShader = shaderType => {
+  var id = GL.getNewId(GL.shaders);
+  GL.shaders[id] = GLctx.createShader(shaderType);
+  return id;
+};
+
+var _emscripten_glCreateShader = _glCreateShader;
+
+/** @suppress {duplicate } */ var _glCullFace = x0 => GLctx.cullFace(x0);
+
+var _emscripten_glCullFace = _glCullFace;
+
+/** @suppress {duplicate } */ function _glDeleteBuffers(n, buffers) {
+  buffers >>>= 0;
+  for (var i = 0; i < n; i++) {
+    var id = HEAP32[(((buffers) + (i * 4)) >>> 2) >>> 0];
+    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;
+  }
+}
+
+var _emscripten_glDeleteBuffers = _glDeleteBuffers;
+
+/** @suppress {duplicate } */ function _glDeleteFramebuffers(n, framebuffers) {
+  framebuffers >>>= 0;
+  for (var i = 0; i < n; ++i) {
+    var id = HEAP32[(((framebuffers) + (i * 4)) >>> 2) >>> 0];
+    var framebuffer = GL.framebuffers[id];
+    if (!framebuffer) continue;
+    // GL spec: "glDeleteFramebuffers silently ignores 0s and names that do not correspond to existing framebuffer objects".
+    GLctx.deleteFramebuffer(framebuffer);
+    framebuffer.name = 0;
+    GL.framebuffers[id] = null;
+  }
+}
+
+var _emscripten_glDeleteFramebuffers = _glDeleteFramebuffers;
+
+/** @suppress {duplicate } */ var _glDeleteProgram = id => {
+  if (!id) return;
+  var program = GL.programs[id];
+  if (!program) {
+    // glDeleteProgram actually signals an error when deleting a nonexisting
+    // object, unlike some other GL delete functions.
+    GL.recordError(1281);
+    return;
+  }
+  GLctx.deleteProgram(program);
+  program.name = 0;
+  GL.programs[id] = null;
+};
+
+var _emscripten_glDeleteProgram = _glDeleteProgram;
+
+/** @suppress {duplicate } */ function _glDeleteQueriesEXT(n, ids) {
+  ids >>>= 0;
+  for (var i = 0; i < n; i++) {
+    var id = HEAP32[(((ids) + (i * 4)) >>> 2) >>> 0];
+    var query = GL.queries[id];
+    if (!query) continue;
+    // GL spec: "unused names in ids are ignored, as is the name zero."
+    GLctx.disjointTimerQueryExt["deleteQueryEXT"](query);
+    GL.queries[id] = null;
+  }
+}
+
+var _emscripten_glDeleteQueriesEXT = _glDeleteQueriesEXT;
+
+/** @suppress {duplicate } */ function _glDeleteRenderbuffers(n, renderbuffers) {
+  renderbuffers >>>= 0;
+  for (var i = 0; i < n; i++) {
+    var id = HEAP32[(((renderbuffers) + (i * 4)) >>> 2) >>> 0];
+    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;
+  }
+}
+
+var _emscripten_glDeleteRenderbuffers = _glDeleteRenderbuffers;
+
+/** @suppress {duplicate } */ var _glDeleteShader = id => {
+  if (!id) return;
+  var shader = GL.shaders[id];
+  if (!shader) {
+    // glDeleteShader actually signals an error when deleting a nonexisting
+    // object, unlike some other GL delete functions.
+    GL.recordError(1281);
+    return;
+  }
+  GLctx.deleteShader(shader);
+  GL.shaders[id] = null;
+};
+
+var _emscripten_glDeleteShader = _glDeleteShader;
+
+/** @suppress {duplicate } */ function _glDeleteTextures(n, textures) {
+  textures >>>= 0;
+  for (var i = 0; i < n; i++) {
+    var id = HEAP32[(((textures) + (i * 4)) >>> 2) >>> 0];
+    var texture = GL.textures[id];
+    // GL spec: "glDeleteTextures silently ignores 0s and names that do not
+    // correspond to existing textures".
+    if (!texture) continue;
+    GLctx.deleteTexture(texture);
+    texture.name = 0;
+    GL.textures[id] = null;
+  }
+}
+
+var _emscripten_glDeleteTextures = _glDeleteTextures;
+
+/** @suppress {duplicate } */ function _glDeleteVertexArrays(n, vaos) {
+  vaos >>>= 0;
+  for (var i = 0; i < n; i++) {
+    var id = HEAP32[(((vaos) + (i * 4)) >>> 2) >>> 0];
+    GLctx.deleteVertexArray(GL.vaos[id]);
+    GL.vaos[id] = null;
+  }
+}
+
+/** @suppress {duplicate } */ var _glDeleteVertexArraysOES = _glDeleteVertexArrays;
+
+var _emscripten_glDeleteVertexArraysOES = _glDeleteVertexArraysOES;
+
+/** @suppress {duplicate } */ var _glDepthFunc = x0 => GLctx.depthFunc(x0);
+
+var _emscripten_glDepthFunc = _glDepthFunc;
+
+/** @suppress {duplicate } */ var _glDepthMask = flag => {
+  GLctx.depthMask(!!flag);
+};
+
+var _emscripten_glDepthMask = _glDepthMask;
+
+/** @suppress {duplicate } */ var _glDepthRangef = (x0, x1) => GLctx.depthRange(x0, x1);
+
+var _emscripten_glDepthRangef = _glDepthRangef;
+
+/** @suppress {duplicate } */ var _glDetachShader = (program, shader) => {
+  GLctx.detachShader(GL.programs[program], GL.shaders[shader]);
+};
+
+var _emscripten_glDetachShader = _glDetachShader;
+
+/** @suppress {duplicate } */ var _glDisable = x0 => GLctx.disable(x0);
+
+var _emscripten_glDisable = _glDisable;
+
+/** @suppress {duplicate } */ var _glDisableVertexAttribArray = index => {
+  GLctx.disableVertexAttribArray(index);
+};
+
+var _emscripten_glDisableVertexAttribArray = _glDisableVertexAttribArray;
+
+/** @suppress {duplicate } */ var _glDrawArrays = (mode, first, count) => {
+  GLctx.drawArrays(mode, first, count);
+};
+
+var _emscripten_glDrawArrays = _glDrawArrays;
+
+/** @suppress {duplicate } */ var _glDrawArraysInstanced = (mode, first, count, primcount) => {
+  GLctx.drawArraysInstanced(mode, first, count, primcount);
+};
+
+/** @suppress {duplicate } */ var _glDrawArraysInstancedANGLE = _glDrawArraysInstanced;
+
+var _emscripten_glDrawArraysInstancedANGLE = _glDrawArraysInstancedANGLE;
+
+var tempFixedLengthArray = [];
+
+/** @suppress {duplicate } */ function _glDrawBuffers(n, bufs) {
+  bufs >>>= 0;
+  var bufArray = tempFixedLengthArray[n];
+  for (var i = 0; i < n; i++) {
+    bufArray[i] = HEAP32[(((bufs) + (i * 4)) >>> 2) >>> 0];
+  }
+  GLctx.drawBuffers(bufArray);
+}
+
+/** @suppress {duplicate } */ var _glDrawBuffersWEBGL = _glDrawBuffers;
+
+var _emscripten_glDrawBuffersWEBGL = _glDrawBuffersWEBGL;
+
+/** @suppress {duplicate } */ function _glDrawElements(mode, count, type, indices) {
+  indices >>>= 0;
+  GLctx.drawElements(mode, count, type, indices);
+}
+
+var _emscripten_glDrawElements = _glDrawElements;
+
+/** @suppress {duplicate } */ function _glDrawElementsInstanced(mode, count, type, indices, primcount) {
+  indices >>>= 0;
+  GLctx.drawElementsInstanced(mode, count, type, indices, primcount);
+}
+
+/** @suppress {duplicate } */ var _glDrawElementsInstancedANGLE = _glDrawElementsInstanced;
+
+var _emscripten_glDrawElementsInstancedANGLE = _glDrawElementsInstancedANGLE;
+
+/** @suppress {duplicate } */ var _glEnable = x0 => GLctx.enable(x0);
+
+var _emscripten_glEnable = _glEnable;
+
+/** @suppress {duplicate } */ var _glEnableVertexAttribArray = index => {
+  GLctx.enableVertexAttribArray(index);
+};
+
+var _emscripten_glEnableVertexAttribArray = _glEnableVertexAttribArray;
+
+/** @suppress {duplicate } */ var _glEndQueryEXT = target => {
+  GLctx.disjointTimerQueryExt["endQueryEXT"](target);
+};
+
+var _emscripten_glEndQueryEXT = _glEndQueryEXT;
+
+/** @suppress {duplicate } */ var _glFinish = () => GLctx.finish();
+
+var _emscripten_glFinish = _glFinish;
+
+/** @suppress {duplicate } */ var _glFlush = () => GLctx.flush();
+
+var _emscripten_glFlush = _glFlush;
+
+/** @suppress {duplicate } */ var _glFramebufferRenderbuffer = (target, attachment, renderbuffertarget, renderbuffer) => {
+  GLctx.framebufferRenderbuffer(target, attachment, renderbuffertarget, GL.renderbuffers[renderbuffer]);
+};
+
+var _emscripten_glFramebufferRenderbuffer = _glFramebufferRenderbuffer;
+
+/** @suppress {duplicate } */ var _glFramebufferTexture2D = (target, attachment, textarget, texture, level) => {
+  GLctx.framebufferTexture2D(target, attachment, textarget, GL.textures[texture], level);
+};
+
+var _emscripten_glFramebufferTexture2D = _glFramebufferTexture2D;
+
+/** @suppress {duplicate } */ var _glFrontFace = x0 => GLctx.frontFace(x0);
+
+var _emscripten_glFrontFace = _glFrontFace;
+
+/** @suppress {duplicate } */ function _glGenBuffers(n, buffers) {
+  buffers >>>= 0;
+  GL.genObject(n, buffers, "createBuffer", GL.buffers);
+}
+
+var _emscripten_glGenBuffers = _glGenBuffers;
+
+/** @suppress {duplicate } */ function _glGenFramebuffers(n, ids) {
+  ids >>>= 0;
+  GL.genObject(n, ids, "createFramebuffer", GL.framebuffers);
+}
+
+var _emscripten_glGenFramebuffers = _glGenFramebuffers;
+
+/** @suppress {duplicate } */ function _glGenQueriesEXT(n, ids) {
+  ids >>>= 0;
+  for (var i = 0; i < n; i++) {
+    var query = GLctx.disjointTimerQueryExt["createQueryEXT"]();
+    if (!query) {
+      GL.recordError(1282);
+      while (i < n) HEAP32[(((ids) + (i++ * 4)) >>> 2) >>> 0] = 0;
+      return;
+    }
+    var id = GL.getNewId(GL.queries);
+    query.name = id;
+    GL.queries[id] = query;
+    HEAP32[(((ids) + (i * 4)) >>> 2) >>> 0] = id;
+  }
+}
+
+var _emscripten_glGenQueriesEXT = _glGenQueriesEXT;
+
+/** @suppress {duplicate } */ function _glGenRenderbuffers(n, renderbuffers) {
+  renderbuffers >>>= 0;
+  GL.genObject(n, renderbuffers, "createRenderbuffer", GL.renderbuffers);
+}
+
+var _emscripten_glGenRenderbuffers = _glGenRenderbuffers;
+
+/** @suppress {duplicate } */ function _glGenTextures(n, textures) {
+  textures >>>= 0;
+  GL.genObject(n, textures, "createTexture", GL.textures);
+}
+
+var _emscripten_glGenTextures = _glGenTextures;
+
+/** @suppress {duplicate } */ function _glGenVertexArrays(n, arrays) {
+  arrays >>>= 0;
+  GL.genObject(n, arrays, "createVertexArray", GL.vaos);
+}
+
+/** @suppress {duplicate } */ var _glGenVertexArraysOES = _glGenVertexArrays;
+
+var _emscripten_glGenVertexArraysOES = _glGenVertexArraysOES;
+
+/** @suppress {duplicate } */ var _glGenerateMipmap = x0 => GLctx.generateMipmap(x0);
+
+var _emscripten_glGenerateMipmap = _glGenerateMipmap;
+
+var __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) >>> 0] = numBytesWrittenExclNull;
+    if (size) HEAP32[((size) >>> 2) >>> 0] = info.size;
+    if (type) HEAP32[((type) >>> 2) >>> 0] = info.type;
+  }
+};
+
+/** @suppress {duplicate } */ function _glGetActiveAttrib(program, index, bufSize, length, size, type, name) {
+  length >>>= 0;
+  size >>>= 0;
+  type >>>= 0;
+  name >>>= 0;
+  return __glGetActiveAttribOrUniform("getActiveAttrib", program, index, bufSize, length, size, type, name);
+}
+
+var _emscripten_glGetActiveAttrib = _glGetActiveAttrib;
+
+/** @suppress {duplicate } */ function _glGetActiveUniform(program, index, bufSize, length, size, type, name) {
+  length >>>= 0;
+  size >>>= 0;
+  type >>>= 0;
+  name >>>= 0;
+  return __glGetActiveAttribOrUniform("getActiveUniform", program, index, bufSize, length, size, type, name);
+}
+
+var _emscripten_glGetActiveUniform = _glGetActiveUniform;
+
+/** @suppress {duplicate } */ function _glGetAttachedShaders(program, maxCount, count, shaders) {
+  count >>>= 0;
+  shaders >>>= 0;
+  var result = GLctx.getAttachedShaders(GL.programs[program]);
+  var len = result.length;
+  if (len > maxCount) {
+    len = maxCount;
+  }
+  HEAP32[((count) >>> 2) >>> 0] = len;
+  for (var i = 0; i < len; ++i) {
+    var id = GL.shaders.indexOf(result[i]);
+    HEAP32[(((shaders) + (i * 4)) >>> 2) >>> 0] = id;
+  }
+}
+
+var _emscripten_glGetAttachedShaders = _glGetAttachedShaders;
+
+/** @suppress {duplicate } */ function _glGetAttribLocation(program, name) {
+  name >>>= 0;
+  return GLctx.getAttribLocation(GL.programs[program], UTF8ToString(name));
+}
+
+var _emscripten_glGetAttribLocation = _glGetAttribLocation;
+
+var writeI53ToI64 = (ptr, num) => {
+  HEAPU32[((ptr) >>> 2) >>> 0] = num;
+  var lower = HEAPU32[((ptr) >>> 2) >>> 0];
+  HEAPU32[(((ptr) + (4)) >>> 2) >>> 0] = (num - lower) / 4294967296;
+};
+
+var emscriptenWebGLGet = (name_, p, type) => {
+  // Guard against user passing a null pointer.
+  // Note that GLES2 spec does not say anything about how passing a null
+  // pointer should be treated.  Testing on desktop core GL 3, the application
+  // crashes on glGetIntegerv to a null pointer, but better to report an error
+  // instead of doing anything random.
+  if (!p) {
+    GL.recordError(1281);
+    return;
+  }
+  var ret = undefined;
+  switch (name_) {
+   // Handle a few trivial GLES values
+    case 36346:
+    // GL_SHADER_COMPILER
+    ret = 1;
+    break;
+
+   case 36344:
+    // GL_SHADER_BINARY_FORMATS
+    if (type != 0 && type != 1) {
+      GL.recordError(1280);
+    }
+    // Do not write anything to the out pointer, since no binary formats are
+    // supported.
+    return;
+
+   case 36345:
+    // GL_NUM_SHADER_BINARY_FORMATS
+    ret = 0;
+    break;
+
+   case 34466:
+    // GL_NUM_COMPRESSED_TEXTURE_FORMATS
+    // WebGL doesn't have GL_NUM_COMPRESSED_TEXTURE_FORMATS (it's obsolete
+    // since GL_COMPRESSED_TEXTURE_FORMATS returns a JS array that can be
+    // queried for length), so implement it ourselves to allow C++ GLES2
+    // code get the length.
+    var formats = GLctx.getParameter(34467);
+    ret = formats ? formats.length : 0;
+    break;
+  }
+  if (ret === undefined) {
+    var result = GLctx.getParameter(name_);
+    switch (typeof result) {
+     case "number":
+      ret = result;
+      break;
+
+     case "boolean":
+      ret = result ? 1 : 0;
+      break;
+
+     case "string":
+      GL.recordError(1280);
+      // GL_INVALID_ENUM
+      return;
+
+     case "object":
+      if (result === null) {
+        // null is a valid result for some (e.g., which buffer is bound -
+        // perhaps nothing is bound), but otherwise can mean an invalid
+        // name_, which we need to report as an error
+        switch (name_) {
+         case 34964:
+         // ARRAY_BUFFER_BINDING
+          case 35725:
+         // CURRENT_PROGRAM
+          case 34965:
+         // ELEMENT_ARRAY_BUFFER_BINDING
+          case 36006:
+         // FRAMEBUFFER_BINDING or DRAW_FRAMEBUFFER_BINDING
+          case 36007:
+         // RENDERBUFFER_BINDING
+          case 32873:
+         // TEXTURE_BINDING_2D
+          case 34229:
+         // WebGL 2 GL_VERTEX_ARRAY_BINDING, or WebGL 1 extension OES_vertex_array_object GL_VERTEX_ARRAY_BINDING_OES
+          case 34068:
+          {
+            // TEXTURE_BINDING_CUBE_MAP
+            ret = 0;
+            break;
+          }
+
+         default:
+          {
+            GL.recordError(1280);
+            // GL_INVALID_ENUM
+            return;
+          }
+        }
+      } else if (result instanceof Float32Array || result instanceof Uint32Array || result instanceof Int32Array || result instanceof Array) {
+        for (var i = 0; i < result.length; ++i) {
+          switch (type) {
+           case 0:
+            HEAP32[(((p) + (i * 4)) >>> 2) >>> 0] = result[i];
+            break;
+
+           case 2:
+            HEAPF32[(((p) + (i * 4)) >>> 2) >>> 0] = 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(1280);
+          // GL_INVALID_ENUM
+          err(`GL_INVALID_ENUM in glGet${type}v: Unknown object returned from WebGL getParameter(${name_})! (error: ${e})`);
+          return;
+        }
+      }
+      break;
+
+     default:
+      GL.recordError(1280);
+      // GL_INVALID_ENUM
+      err(`GL_INVALID_ENUM in glGet${type}v: Native code calling glGet${type}v(${name_}) and it returns ${result} of type ${typeof (result)}!`);
+      return;
+    }
+  }
+  switch (type) {
+   case 1:
+    writeI53ToI64(p, ret);
+    break;
+
+   case 0:
+    HEAP32[((p) >>> 2) >>> 0] = ret;
+    break;
+
+   case 2:
+    HEAPF32[((p) >>> 2) >>> 0] = ret;
+    break;
+
+   case 4:
+    HEAP8[p >>> 0] = ret ? 1 : 0;
+    break;
+  }
+};
+
+/** @suppress {duplicate } */ function _glGetBooleanv(name_, p) {
+  p >>>= 0;
+  return emscriptenWebGLGet(name_, p, 4);
+}
+
+var _emscripten_glGetBooleanv = _glGetBooleanv;
+
+/** @suppress {duplicate } */ function _glGetBufferParameteriv(target, value, data) {
+  data >>>= 0;
+  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(1281);
+    return;
+  }
+  HEAP32[((data) >>> 2) >>> 0] = GLctx.getBufferParameter(target, value);
+}
+
+var _emscripten_glGetBufferParameteriv = _glGetBufferParameteriv;
+
+/** @suppress {duplicate } */ var _glGetError = () => {
+  var error = GLctx.getError() || GL.lastError;
+  GL.lastError = 0;
+  return error;
+};
+
+var _emscripten_glGetError = _glGetError;
+
+/** @suppress {duplicate } */ function _glGetFloatv(name_, p) {
+  p >>>= 0;
+  return emscriptenWebGLGet(name_, p, 2);
+}
+
+var _emscripten_glGetFloatv = _glGetFloatv;
+
+/** @suppress {duplicate } */ function _glGetFramebufferAttachmentParameteriv(target, attachment, pname, params) {
+  params >>>= 0;
+  var result = GLctx.getFramebufferAttachmentParameter(target, attachment, pname);
+  if (result instanceof WebGLRenderbuffer || result instanceof WebGLTexture) {
+    result = result.name | 0;
+  }
+  HEAP32[((params) >>> 2) >>> 0] = result;
+}
+
+var _emscripten_glGetFramebufferAttachmentParameteriv = _glGetFramebufferAttachmentParameteriv;
+
+/** @suppress {duplicate } */ function _glGetIntegerv(name_, p) {
+  p >>>= 0;
+  return emscriptenWebGLGet(name_, p, 0);
+}
+
+var _emscripten_glGetIntegerv = _glGetIntegerv;
+
+/** @suppress {duplicate } */ function _glGetProgramInfoLog(program, maxLength, length, infoLog) {
+  length >>>= 0;
+  infoLog >>>= 0;
+  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) >>> 0] = numBytesWrittenExclNull;
+}
+
+var _emscripten_glGetProgramInfoLog = _glGetProgramInfoLog;
+
+/** @suppress {duplicate } */ function _glGetProgramiv(program, pname, p) {
+  p >>>= 0;
+  if (!p) {
+    // GLES2 specification does not specify how to behave if p is a null
+    // pointer. Since calling this function does not make sense if p == null,
+    // issue a GL error to notify user about it.
+    GL.recordError(1281);
+    return;
+  }
+  if (program >= GL.counter) {
+    GL.recordError(1281);
+    return;
+  }
+  program = GL.programs[program];
+  if (pname == 35716) {
+    // GL_INFO_LOG_LENGTH
+    var log = GLctx.getProgramInfoLog(program);
+    if (log === null) log = "(unknown error)";
+    HEAP32[((p) >>> 2) >>> 0] = log.length + 1;
+  } else if (pname == 35719) {
+    if (!program.maxUniformLength) {
+      var numActiveUniforms = GLctx.getProgramParameter(program, 35718);
+      for (var i = 0; i < numActiveUniforms; ++i) {
+        program.maxUniformLength = Math.max(program.maxUniformLength, GLctx.getActiveUniform(program, i).name.length + 1);
+      }
+    }
+    HEAP32[((p) >>> 2) >>> 0] = program.maxUniformLength;
+  } else if (pname == 35722) {
+    if (!program.maxAttributeLength) {
+      var numActiveAttributes = GLctx.getProgramParameter(program, 35721);
+      for (var i = 0; i < numActiveAttributes; ++i) {
+        program.maxAttributeLength = Math.max(program.maxAttributeLength, GLctx.getActiveAttrib(program, i).name.length + 1);
+      }
+    }
+    HEAP32[((p) >>> 2) >>> 0] = program.maxAttributeLength;
+  } else if (pname == 35381) {
+    if (!program.maxUniformBlockNameLength) {
+      var numActiveUniformBlocks = GLctx.getProgramParameter(program, 35382);
+      for (var i = 0; i < numActiveUniformBlocks; ++i) {
+        program.maxUniformBlockNameLength = Math.max(program.maxUniformBlockNameLength, GLctx.getActiveUniformBlockName(program, i).length + 1);
+      }
+    }
+    HEAP32[((p) >>> 2) >>> 0] = program.maxUniformBlockNameLength;
+  } else {
+    HEAP32[((p) >>> 2) >>> 0] = GLctx.getProgramParameter(program, pname);
+  }
+}
+
+var _emscripten_glGetProgramiv = _glGetProgramiv;
+
+/** @suppress {duplicate } */ function _glGetQueryObjecti64vEXT(id, pname, params) {
+  params >>>= 0;
+  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(1281);
+    return;
+  }
+  var query = GL.queries[id];
+  var param;
+  {
+    param = GLctx.disjointTimerQueryExt["getQueryObjectEXT"](query, pname);
+  }
+  var ret;
+  if (typeof param == "boolean") {
+    ret = param ? 1 : 0;
+  } else {
+    ret = param;
+  }
+  writeI53ToI64(params, ret);
+}
+
+var _emscripten_glGetQueryObjecti64vEXT = _glGetQueryObjecti64vEXT;
+
+/** @suppress {duplicate } */ function _glGetQueryObjectivEXT(id, pname, params) {
+  params >>>= 0;
+  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(1281);
+    return;
+  }
+  var query = GL.queries[id];
+  var param = GLctx.disjointTimerQueryExt["getQueryObjectEXT"](query, pname);
+  var ret;
+  if (typeof param == "boolean") {
+    ret = param ? 1 : 0;
+  } else {
+    ret = param;
+  }
+  HEAP32[((params) >>> 2) >>> 0] = ret;
+}
+
+var _emscripten_glGetQueryObjectivEXT = _glGetQueryObjectivEXT;
+
+/** @suppress {duplicate } */ var _glGetQueryObjectui64vEXT = _glGetQueryObjecti64vEXT;
+
+var _emscripten_glGetQueryObjectui64vEXT = _glGetQueryObjectui64vEXT;
+
+/** @suppress {duplicate } */ var _glGetQueryObjectuivEXT = _glGetQueryObjectivEXT;
+
+var _emscripten_glGetQueryObjectuivEXT = _glGetQueryObjectuivEXT;
+
+/** @suppress {duplicate } */ function _glGetQueryivEXT(target, pname, params) {
+  params >>>= 0;
+  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(1281);
+    return;
+  }
+  HEAP32[((params) >>> 2) >>> 0] = GLctx.disjointTimerQueryExt["getQueryEXT"](target, pname);
+}
+
+var _emscripten_glGetQueryivEXT = _glGetQueryivEXT;
+
+/** @suppress {duplicate } */ function _glGetRenderbufferParameteriv(target, pname, params) {
+  params >>>= 0;
+  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(1281);
+    return;
+  }
+  HEAP32[((params) >>> 2) >>> 0] = GLctx.getRenderbufferParameter(target, pname);
+}
+
+var _emscripten_glGetRenderbufferParameteriv = _glGetRenderbufferParameteriv;
+
+/** @suppress {duplicate } */ function _glGetShaderInfoLog(shader, maxLength, length, infoLog) {
+  length >>>= 0;
+  infoLog >>>= 0;
+  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) >>> 0] = numBytesWrittenExclNull;
+}
+
+var _emscripten_glGetShaderInfoLog = _glGetShaderInfoLog;
+
+/** @suppress {duplicate } */ function _glGetShaderPrecisionFormat(shaderType, precisionType, range, precision) {
+  range >>>= 0;
+  precision >>>= 0;
+  var result = GLctx.getShaderPrecisionFormat(shaderType, precisionType);
+  HEAP32[((range) >>> 2) >>> 0] = result.rangeMin;
+  HEAP32[(((range) + (4)) >>> 2) >>> 0] = result.rangeMax;
+  HEAP32[((precision) >>> 2) >>> 0] = result.precision;
+}
+
+var _emscripten_glGetShaderPrecisionFormat = _glGetShaderPrecisionFormat;
+
+/** @suppress {duplicate } */ function _glGetShaderSource(shader, bufSize, length, source) {
+  length >>>= 0;
+  source >>>= 0;
+  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) >>> 0] = numBytesWrittenExclNull;
+}
+
+var _emscripten_glGetShaderSource = _glGetShaderSource;
+
+/** @suppress {duplicate } */ function _glGetShaderiv(shader, pname, p) {
+  p >>>= 0;
+  if (!p) {
+    // GLES2 specification does not specify how to behave if p is a null
+    // pointer. Since calling this function does not make sense if p == null,
+    // issue a GL error to notify user about it.
+    GL.recordError(1281);
+    return;
+  }
+  if (pname == 35716) {
+    // GL_INFO_LOG_LENGTH
+    var log = GLctx.getShaderInfoLog(GL.shaders[shader]);
+    if (log === null) log = "(unknown error)";
+    // The GLES2 specification says that if the shader has an empty info log,
+    // a value of 0 is returned. Otherwise the log has a null char appended.
+    // (An empty string is falsey, so we can just check that instead of
+    // looking at log.length.)
+    var logLength = log ? log.length + 1 : 0;
+    HEAP32[((p) >>> 2) >>> 0] = logLength;
+  } else if (pname == 35720) {
+    // GL_SHADER_SOURCE_LENGTH
+    var source = GLctx.getShaderSource(GL.shaders[shader]);
+    // source may be a null, or the empty string, both of which are falsey
+    // values that we report a 0 length for.
+    var sourceLength = source ? source.length + 1 : 0;
+    HEAP32[((p) >>> 2) >>> 0] = sourceLength;
+  } else {
+    HEAP32[((p) >>> 2) >>> 0] = GLctx.getShaderParameter(GL.shaders[shader], pname);
+  }
+}
+
+var _emscripten_glGetShaderiv = _glGetShaderiv;
+
+var webglGetExtensions = () => {
+  var exts = getEmscriptenSupportedExtensions(GLctx);
+  exts = exts.concat(exts.map(e => "GL_" + e));
+  return exts;
+};
+
+/** @suppress {duplicate } */ function _glGetString(name_) {
+  var ret = GL.stringCache[name_];
+  if (!ret) {
+    switch (name_) {
+     case 7939:
+      ret = stringToNewUTF8(webglGetExtensions().join(" "));
+      break;
+
+     case 7936:
+     case 7937:
+     case 37445:
+     case 37446:
+      var s = GLctx.getParameter(name_);
+      if (!s) {
+        GL.recordError(1280);
+      }
+      ret = s ? stringToNewUTF8(s) : 0;
+      break;
+
+     case 7938:
+      var webGLVersion = GLctx.getParameter(7938);
+      // return GLES version string corresponding to the version of the WebGL context
+      var glVersion = `OpenGL ES 2.0 (${webGLVersion})`;
+      ret = stringToNewUTF8(glVersion);
+      break;
+
+     case 35724:
+      var glslVersion = GLctx.getParameter(35724);
+      // extract the version number 'N.M' from the string 'WebGL GLSL ES N.M ...'
+      var ver_re = /^WebGL GLSL ES ([0-9]\.[0-9][0-9]?)(?:$| .*)/;
+      var ver_num = glslVersion.match(ver_re);
+      if (ver_num !== null) {
+        if (ver_num[1].length == 3) ver_num[1] = ver_num[1] + "0";
+        // ensure minor version has 2 digits
+        glslVersion = `OpenGL ES GLSL ES ${ver_num[1]} (${glslVersion})`;
+      }
+      ret = stringToNewUTF8(glslVersion);
+      break;
+
+     default:
+      GL.recordError(1280);
+    }
+    GL.stringCache[name_] = ret;
+  }
+  return ret;
+}
+
+var _emscripten_glGetString = _glGetString;
+
+/** @suppress {duplicate } */ function _glGetTexParameterfv(target, pname, params) {
+  params >>>= 0;
+  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(1281);
+    return;
+  }
+  HEAPF32[((params) >>> 2) >>> 0] = GLctx.getTexParameter(target, pname);
+}
+
+var _emscripten_glGetTexParameterfv = _glGetTexParameterfv;
+
+/** @suppress {duplicate } */ function _glGetTexParameteriv(target, pname, params) {
+  params >>>= 0;
+  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(1281);
+    return;
+  }
+  HEAP32[((params) >>> 2) >>> 0] = GLctx.getTexParameter(target, pname);
+}
+
+var _emscripten_glGetTexParameteriv = _glGetTexParameteriv;
+
+/** @suppress {checkTypes} */ var jstoi_q = str => parseInt(str);
+
+/** @noinline */ var webglGetLeftBracePos = name => name.slice(-1) == "]" && name.lastIndexOf("[");
+
+var webglPrepareUniformLocationsBeforeFirstUse = program => {
+  var uniformLocsById = program.uniformLocsById, // Maps GLuint -> WebGLUniformLocation
+  uniformSizeAndIdsByName = program.uniformSizeAndIdsByName, // Maps name -> [uniform array length, GLuint]
+  i, j;
+  // On the first time invocation of glGetUniformLocation on this shader program:
+  // initialize cache data structures and discover which uniforms are arrays.
+  if (!uniformLocsById) {
+    // maps GLint integer locations to WebGLUniformLocations
+    program.uniformLocsById = uniformLocsById = {};
+    // maps integer locations back to uniform name strings, so that we can lazily fetch uniform array locations
+    program.uniformArrayNamesById = {};
+    var numActiveUniforms = GLctx.getProgramParameter(program, 35718);
+    for (i = 0; i < numActiveUniforms; ++i) {
+      var u = GLctx.getActiveUniform(program, i);
+      var nm = u.name;
+      var sz = u.size;
+      var lb = webglGetLeftBracePos(nm);
+      var arrayName = lb > 0 ? nm.slice(0, lb) : nm;
+      // Assign a new location.
+      var id = program.uniformIdCounter;
+      program.uniformIdCounter += sz;
+      // Eagerly get the location of the uniformArray[0] base element.
+      // The remaining indices >0 will be left for lazy evaluation to
+      // improve performance. Those may never be needed to fetch, if the
+      // application fills arrays always in full starting from the first
+      // element of the array.
+      uniformSizeAndIdsByName[arrayName] = [ sz, id ];
+      // Store placeholder integers in place that highlight that these
+      // >0 index locations are array indices pending population.
+      for (j = 0; j < sz; ++j) {
+        uniformLocsById[id] = j;
+        program.uniformArrayNamesById[id++] = arrayName;
+      }
+    }
+  }
+};
+
+/** @suppress {duplicate } */ function _glGetUniformLocation(program, name) {
+  name >>>= 0;
+  name = UTF8ToString(name);
+  if (program = GL.programs[program]) {
+    webglPrepareUniformLocationsBeforeFirstUse(program);
+    var uniformLocsById = program.uniformLocsById;
+    // Maps GLuint -> WebGLUniformLocation
+    var arrayIndex = 0;
+    var uniformBaseName = name;
+    // Invariant: when populating integer IDs for uniform locations, we must
+    // maintain the precondition that arrays reside in contiguous addresses,
+    // i.e. for a 'vec4 colors[10];', colors[4] must be at location
+    // colors[0]+4.  However, user might call glGetUniformLocation(program,
+    // "colors") for an array, so we cannot discover based on the user input
+    // arguments whether the uniform we are dealing with is an array. The only
+    // way to discover which uniforms are arrays is to enumerate over all the
+    // active uniforms in the program.
+    var leftBrace = webglGetLeftBracePos(name);
+    // If user passed an array accessor "[index]", parse the array index off the accessor.
+    if (leftBrace > 0) {
+      arrayIndex = jstoi_q(name.slice(leftBrace + 1)) >>> 0;
+      // "index]", coerce parseInt(']') with >>>0 to treat "foo[]" as "foo[0]" and foo[-1] as unsigned out-of-bounds.
+      uniformBaseName = name.slice(0, leftBrace);
+    }
+    // Have we cached the location of this uniform before?
+    // A pair [array length, GLint of the uniform location]
+    var sizeAndId = program.uniformSizeAndIdsByName[uniformBaseName];
+    // If an uniform with this name exists, and if its index is within the
+    // array limits (if it's even an array), query the WebGLlocation, or
+    // return an existing cached location.
+    if (sizeAndId && arrayIndex < sizeAndId[0]) {
+      arrayIndex += sizeAndId[1];
+      // Add the base location of the uniform to the array index offset.
+      if ((uniformLocsById[arrayIndex] = uniformLocsById[arrayIndex] || GLctx.getUniformLocation(program, name))) {
+        return arrayIndex;
+      }
+    }
+  } else {
+    // N.b. we are currently unable to distinguish between GL program IDs that
+    // never existed vs GL program IDs that have been deleted, so report
+    // GL_INVALID_VALUE in both cases.
+    GL.recordError(1281);
+  }
+  return -1;
+}
+
+var _emscripten_glGetUniformLocation = _glGetUniformLocation;
+
+var webglGetUniformLocation = location => {
+  var p = GLctx.currentProgram;
+  if (p) {
+    var webglLoc = p.uniformLocsById[location];
+    // p.uniformLocsById[location] stores either an integer, or a
+    // WebGLUniformLocation.
+    // If an integer, we have not yet bound the location, so do it now. The
+    // integer value specifies the array index we should bind to.
+    if (typeof webglLoc == "number") {
+      p.uniformLocsById[location] = webglLoc = GLctx.getUniformLocation(p, p.uniformArrayNamesById[location] + (webglLoc > 0 ? `[${webglLoc}]` : ""));
+    }
+    // Else an already cached WebGLUniformLocation, return it.
+    return webglLoc;
+  } else {
+    GL.recordError(1282);
+  }
+};
+
+/** @suppress{checkTypes} */ var 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(1281);
+    return;
+  }
+  program = GL.programs[program];
+  webglPrepareUniformLocationsBeforeFirstUse(program);
+  var data = GLctx.getUniform(program, webglGetUniformLocation(location));
+  if (typeof data == "number" || typeof data == "boolean") {
+    switch (type) {
+     case 0:
+      HEAP32[((params) >>> 2) >>> 0] = data;
+      break;
+
+     case 2:
+      HEAPF32[((params) >>> 2) >>> 0] = data;
+      break;
+    }
+  } else {
+    for (var i = 0; i < data.length; i++) {
+      switch (type) {
+       case 0:
+        HEAP32[(((params) + (i * 4)) >>> 2) >>> 0] = data[i];
+        break;
+
+       case 2:
+        HEAPF32[(((params) + (i * 4)) >>> 2) >>> 0] = data[i];
+        break;
+      }
+    }
+  }
+};
+
+/** @suppress {duplicate } */ function _glGetUniformfv(program, location, params) {
+  params >>>= 0;
+  emscriptenWebGLGetUniform(program, location, params, 2);
+}
+
+var _emscripten_glGetUniformfv = _glGetUniformfv;
+
+/** @suppress {duplicate } */ function _glGetUniformiv(program, location, params) {
+  params >>>= 0;
+  emscriptenWebGLGetUniform(program, location, params, 0);
+}
+
+var _emscripten_glGetUniformiv = _glGetUniformiv;
+
+/** @suppress {duplicate } */ function _glGetVertexAttribPointerv(index, pname, pointer) {
+  pointer >>>= 0;
+  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(1281);
+    return;
+  }
+  HEAP32[((pointer) >>> 2) >>> 0] = GLctx.getVertexAttribOffset(index, pname);
+}
+
+var _emscripten_glGetVertexAttribPointerv = _glGetVertexAttribPointerv;
+
+/** @suppress{checkTypes} */ var 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(1281);
+    return;
+  }
+  var data = GLctx.getVertexAttrib(index, pname);
+  if (pname == 34975) {
+    HEAP32[((params) >>> 2) >>> 0] = data && data["name"];
+  } else if (typeof data == "number" || typeof data == "boolean") {
+    switch (type) {
+     case 0:
+      HEAP32[((params) >>> 2) >>> 0] = data;
+      break;
+
+     case 2:
+      HEAPF32[((params) >>> 2) >>> 0] = data;
+      break;
+
+     case 5:
+      HEAP32[((params) >>> 2) >>> 0] = Math.fround(data);
+      break;
+    }
+  } else {
+    for (var i = 0; i < data.length; i++) {
+      switch (type) {
+       case 0:
+        HEAP32[(((params) + (i * 4)) >>> 2) >>> 0] = data[i];
+        break;
+
+       case 2:
+        HEAPF32[(((params) + (i * 4)) >>> 2) >>> 0] = data[i];
+        break;
+
+       case 5:
+        HEAP32[(((params) + (i * 4)) >>> 2) >>> 0] = Math.fround(data[i]);
+        break;
+      }
+    }
+  }
+};
+
+/** @suppress {duplicate } */ function _glGetVertexAttribfv(index, pname, params) {
+  params >>>= 0;
+  // 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);
+}
+
+var _emscripten_glGetVertexAttribfv = _glGetVertexAttribfv;
+
+/** @suppress {duplicate } */ function _glGetVertexAttribiv(index, pname, params) {
+  params >>>= 0;
+  // 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);
+}
+
+var _emscripten_glGetVertexAttribiv = _glGetVertexAttribiv;
+
+/** @suppress {duplicate } */ var _glHint = (x0, x1) => GLctx.hint(x0, x1);
+
+var _emscripten_glHint = _glHint;
+
+/** @suppress {duplicate } */ var _glIsBuffer = buffer => {
+  var b = GL.buffers[buffer];
+  if (!b) return 0;
+  return GLctx.isBuffer(b);
+};
+
+var _emscripten_glIsBuffer = _glIsBuffer;
+
+/** @suppress {duplicate } */ var _glIsEnabled = x0 => GLctx.isEnabled(x0);
+
+var _emscripten_glIsEnabled = _glIsEnabled;
+
+/** @suppress {duplicate } */ var _glIsFramebuffer = framebuffer => {
+  var fb = GL.framebuffers[framebuffer];
+  if (!fb) return 0;
+  return GLctx.isFramebuffer(fb);
+};
+
+var _emscripten_glIsFramebuffer = _glIsFramebuffer;
+
+/** @suppress {duplicate } */ var _glIsProgram = program => {
+  program = GL.programs[program];
+  if (!program) return 0;
+  return GLctx.isProgram(program);
+};
+
+var _emscripten_glIsProgram = _glIsProgram;
+
+/** @suppress {duplicate } */ var _glIsQueryEXT = id => {
+  var query = GL.queries[id];
+  if (!query) return 0;
+  return GLctx.disjointTimerQueryExt["isQueryEXT"](query);
+};
+
+var _emscripten_glIsQueryEXT = _glIsQueryEXT;
+
+/** @suppress {duplicate } */ var _glIsRenderbuffer = renderbuffer => {
+  var rb = GL.renderbuffers[renderbuffer];
+  if (!rb) return 0;
+  return GLctx.isRenderbuffer(rb);
+};
+
+var _emscripten_glIsRenderbuffer = _glIsRenderbuffer;
+
+/** @suppress {duplicate } */ var _glIsShader = shader => {
+  var s = GL.shaders[shader];
+  if (!s) return 0;
+  return GLctx.isShader(s);
+};
+
+var _emscripten_glIsShader = _glIsShader;
+
+/** @suppress {duplicate } */ var _glIsTexture = id => {
+  var texture = GL.textures[id];
+  if (!texture) return 0;
+  return GLctx.isTexture(texture);
+};
+
+var _emscripten_glIsTexture = _glIsTexture;
+
+/** @suppress {duplicate } */ var _glIsVertexArray = array => {
+  var vao = GL.vaos[array];
+  if (!vao) return 0;
+  return GLctx.isVertexArray(vao);
+};
+
+/** @suppress {duplicate } */ var _glIsVertexArrayOES = _glIsVertexArray;
+
+var _emscripten_glIsVertexArrayOES = _glIsVertexArrayOES;
+
+/** @suppress {duplicate } */ var _glLineWidth = x0 => GLctx.lineWidth(x0);
+
+var _emscripten_glLineWidth = _glLineWidth;
+
+/** @suppress {duplicate } */ var _glLinkProgram = program => {
+  program = GL.programs[program];
+  GLctx.linkProgram(program);
+  // Invalidate earlier computed uniform->ID mappings, those have now become stale
+  program.uniformLocsById = 0;
+  // Mark as null-like so that glGetUniformLocation() knows to populate this again.
+  program.uniformSizeAndIdsByName = {};
+};
+
+var _emscripten_glLinkProgram = _glLinkProgram;
+
+/** @suppress {duplicate } */ var _glPixelStorei = (pname, param) => {
+  if (pname == 3317) {
+    GL.unpackAlignment = param;
+  } else if (pname == 3314) {
+    GL.unpackRowLength = param;
+  }
+  GLctx.pixelStorei(pname, param);
+};
+
+var _emscripten_glPixelStorei = _glPixelStorei;
+
+/** @suppress {duplicate } */ var _glPolygonModeWEBGL = (face, mode) => {
+  GLctx.webglPolygonMode["polygonModeWEBGL"](face, mode);
+};
+
+var _emscripten_glPolygonModeWEBGL = _glPolygonModeWEBGL;
+
+/** @suppress {duplicate } */ var _glPolygonOffset = (x0, x1) => GLctx.polygonOffset(x0, x1);
+
+var _emscripten_glPolygonOffset = _glPolygonOffset;
+
+/** @suppress {duplicate } */ var _glPolygonOffsetClampEXT = (factor, units, clamp) => {
+  GLctx.extPolygonOffsetClamp["polygonOffsetClampEXT"](factor, units, clamp);
+};
+
+var _emscripten_glPolygonOffsetClampEXT = _glPolygonOffsetClampEXT;
+
+/** @suppress {duplicate } */ var _glQueryCounterEXT = (id, target) => {
+  GLctx.disjointTimerQueryExt["queryCounterEXT"](GL.queries[id], target);
+};
+
+var _emscripten_glQueryCounterEXT = _glQueryCounterEXT;
+
+var computeUnpackAlignedImageSize = (width, height, sizePerPixel) => {
+  function roundedToNextMultipleOf(x, y) {
+    return (x + y - 1) & -y;
+  }
+  var plainRowSize = (GL.unpackRowLength || width) * sizePerPixel;
+  var alignedRowSize = roundedToNextMultipleOf(plainRowSize, GL.unpackAlignment);
+  return height * alignedRowSize;
+};
+
+var colorChannelsInGlTextureFormat = format => {
+  // Micro-optimizations for size: map format to size by subtracting smallest
+  // enum value (0x1902) from all values first.  Also omit the most common
+  // size value (1) from the list, which is assumed by formats not on the
+  // list.
+  var colorChannels = {
+    // 0x1902 /* GL_DEPTH_COMPONENT */ - 0x1902: 1,
+    // 0x1906 /* GL_ALPHA */ - 0x1902: 1,
+    5: 3,
+    6: 4,
+    // 0x1909 /* GL_LUMINANCE */ - 0x1902: 1,
+    8: 2,
+    29502: 3,
+    29504: 4
+  };
+  return colorChannels[format - 6402] || 1;
+};
+
+var heapObjectForWebGLType = type => {
+  // Micro-optimization for size: Subtract lowest GL enum number (0x1400/* GL_BYTE */) from type to compare
+  // smaller values for the heap, for shorter generated code size.
+  // Also the type HEAPU16 is not tested for explicitly, but any unrecognized type will return out HEAPU16.
+  // (since most types are HEAPU16)
+  type -= 5120;
+  if (type == 1) return HEAPU8;
+  if (type == 4) return HEAP32;
+  if (type == 6) return HEAPF32;
+  if (type == 5 || type == 28922) return HEAPU32;
+  return HEAPU16;
+};
+
+var toTypedArrayIndex = (pointer, heap) => pointer >>> (31 - Math.clz32(heap.BYTES_PER_ELEMENT));
+
+var emscriptenWebGLGetTexPixelData = (type, format, width, height, pixels, internalFormat) => {
+  var heap = heapObjectForWebGLType(type);
+  var sizePerPixel = colorChannelsInGlTextureFormat(format) * heap.BYTES_PER_ELEMENT;
+  var bytes = computeUnpackAlignedImageSize(width, height, sizePerPixel);
+  return heap.subarray(toTypedArrayIndex(pixels, heap) >>> 0, toTypedArrayIndex(pixels + bytes, heap) >>> 0);
+};
+
+/** @suppress {duplicate } */ function _glReadPixels(x, y, width, height, format, type, pixels) {
+  pixels >>>= 0;
+  var pixelData = emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, format);
+  if (!pixelData) {
+    GL.recordError(1280);
+    return;
+  }
+  GLctx.readPixels(x, y, width, height, format, type, pixelData);
+}
+
+var _emscripten_glReadPixels = _glReadPixels;
+
+/** @suppress {duplicate } */ var _glReleaseShaderCompiler = () => {};
+
+var _emscripten_glReleaseShaderCompiler = _glReleaseShaderCompiler;
+
+/** @suppress {duplicate } */ var _glRenderbufferStorage = (x0, x1, x2, x3) => GLctx.renderbufferStorage(x0, x1, x2, x3);
+
+var _emscripten_glRenderbufferStorage = _glRenderbufferStorage;
+
+/** @suppress {duplicate } */ var _glSampleCoverage = (value, invert) => {
+  GLctx.sampleCoverage(value, !!invert);
+};
+
+var _emscripten_glSampleCoverage = _glSampleCoverage;
+
+/** @suppress {duplicate } */ var _glScissor = (x0, x1, x2, x3) => GLctx.scissor(x0, x1, x2, x3);
+
+var _emscripten_glScissor = _glScissor;
+
+/** @suppress {duplicate } */ function _glShaderBinary(count, shaders, binaryformat, binary, length) {
+  shaders >>>= 0;
+  binary >>>= 0;
+  GL.recordError(1280);
+}
+
+var _emscripten_glShaderBinary = _glShaderBinary;
+
+/** @suppress {duplicate } */ function _glShaderSource(shader, count, string, length) {
+  string >>>= 0;
+  length >>>= 0;
+  var source = GL.getSource(shader, count, string, length);
+  GLctx.shaderSource(GL.shaders[shader], source);
+}
+
+var _emscripten_glShaderSource = _glShaderSource;
+
+/** @suppress {duplicate } */ var _glStencilFunc = (x0, x1, x2) => GLctx.stencilFunc(x0, x1, x2);
+
+var _emscripten_glStencilFunc = _glStencilFunc;
+
+/** @suppress {duplicate } */ var _glStencilFuncSeparate = (x0, x1, x2, x3) => GLctx.stencilFuncSeparate(x0, x1, x2, x3);
+
+var _emscripten_glStencilFuncSeparate = _glStencilFuncSeparate;
+
+/** @suppress {duplicate } */ var _glStencilMask = x0 => GLctx.stencilMask(x0);
+
+var _emscripten_glStencilMask = _glStencilMask;
+
+/** @suppress {duplicate } */ var _glStencilMaskSeparate = (x0, x1) => GLctx.stencilMaskSeparate(x0, x1);
+
+var _emscripten_glStencilMaskSeparate = _glStencilMaskSeparate;
+
+/** @suppress {duplicate } */ var _glStencilOp = (x0, x1, x2) => GLctx.stencilOp(x0, x1, x2);
+
+var _emscripten_glStencilOp = _glStencilOp;
+
+/** @suppress {duplicate } */ var _glStencilOpSeparate = (x0, x1, x2, x3) => GLctx.stencilOpSeparate(x0, x1, x2, x3);
+
+var _emscripten_glStencilOpSeparate = _glStencilOpSeparate;
+
+/** @suppress {duplicate } */ function _glTexImage2D(target, level, internalFormat, width, height, border, format, type, pixels) {
+  pixels >>>= 0;
+  var pixelData = pixels ? emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, internalFormat) : null;
+  GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, pixelData);
+}
+
+var _emscripten_glTexImage2D = _glTexImage2D;
+
+/** @suppress {duplicate } */ var _glTexParameterf = (x0, x1, x2) => GLctx.texParameterf(x0, x1, x2);
+
+var _emscripten_glTexParameterf = _glTexParameterf;
+
+/** @suppress {duplicate } */ function _glTexParameterfv(target, pname, params) {
+  params >>>= 0;
+  var param = HEAPF32[((params) >>> 2) >>> 0];
+  GLctx.texParameterf(target, pname, param);
+}
+
+var _emscripten_glTexParameterfv = _glTexParameterfv;
+
+/** @suppress {duplicate } */ var _glTexParameteri = (x0, x1, x2) => GLctx.texParameteri(x0, x1, x2);
+
+var _emscripten_glTexParameteri = _glTexParameteri;
+
+/** @suppress {duplicate } */ function _glTexParameteriv(target, pname, params) {
+  params >>>= 0;
+  var param = HEAP32[((params) >>> 2) >>> 0];
+  GLctx.texParameteri(target, pname, param);
+}
+
+var _emscripten_glTexParameteriv = _glTexParameteriv;
+
+/** @suppress {duplicate } */ function _glTexSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixels) {
+  pixels >>>= 0;
+  var pixelData = pixels ? emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, 0) : null;
+  GLctx.texSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixelData);
+}
+
+var _emscripten_glTexSubImage2D = _glTexSubImage2D;
+
+/** @suppress {duplicate } */ var _glUniform1f = (location, v0) => {
+  GLctx.uniform1f(webglGetUniformLocation(location), v0);
+};
+
+var _emscripten_glUniform1f = _glUniform1f;
+
+var miniTempWebGLFloatBuffers = [];
+
+/** @suppress {duplicate } */ function _glUniform1fv(location, count, value) {
+  value >>>= 0;
+  if (count <= 288) {
+    // avoid allocation when uploading few enough uniforms
+    var view = miniTempWebGLFloatBuffers[count];
+    for (var i = 0; i < count; ++i) {
+      view[i] = HEAPF32[(((value) + (4 * i)) >>> 2) >>> 0];
+    }
+  } else {
+    var view = HEAPF32.subarray((((value) >>> 2)) >>> 0, ((value + count * 4) >>> 2) >>> 0);
+  }
+  GLctx.uniform1fv(webglGetUniformLocation(location), view);
+}
+
+var _emscripten_glUniform1fv = _glUniform1fv;
+
+/** @suppress {duplicate } */ var _glUniform1i = (location, v0) => {
+  GLctx.uniform1i(webglGetUniformLocation(location), v0);
+};
+
+var _emscripten_glUniform1i = _glUniform1i;
+
+var miniTempWebGLIntBuffers = [];
+
+/** @suppress {duplicate } */ function _glUniform1iv(location, count, value) {
+  value >>>= 0;
+  if (count <= 288) {
+    // avoid allocation when uploading few enough uniforms
+    var view = miniTempWebGLIntBuffers[count];
+    for (var i = 0; i < count; ++i) {
+      view[i] = HEAP32[(((value) + (4 * i)) >>> 2) >>> 0];
+    }
+  } else {
+    var view = HEAP32.subarray((((value) >>> 2)) >>> 0, ((value + count * 4) >>> 2) >>> 0);
+  }
+  GLctx.uniform1iv(webglGetUniformLocation(location), view);
+}
+
+var _emscripten_glUniform1iv = _glUniform1iv;
+
+/** @suppress {duplicate } */ var _glUniform2f = (location, v0, v1) => {
+  GLctx.uniform2f(webglGetUniformLocation(location), v0, v1);
+};
+
+var _emscripten_glUniform2f = _glUniform2f;
+
+/** @suppress {duplicate } */ function _glUniform2fv(location, count, value) {
+  value >>>= 0;
+  if (count <= 144) {
+    // avoid allocation when uploading few enough uniforms
+    count *= 2;
+    var view = miniTempWebGLFloatBuffers[count];
+    for (var i = 0; i < count; i += 2) {
+      view[i] = HEAPF32[(((value) + (4 * i)) >>> 2) >>> 0];
+      view[i + 1] = HEAPF32[(((value) + (4 * i + 4)) >>> 2) >>> 0];
+    }
+  } else {
+    var view = HEAPF32.subarray((((value) >>> 2)) >>> 0, ((value + count * 8) >>> 2) >>> 0);
+  }
+  GLctx.uniform2fv(webglGetUniformLocation(location), view);
+}
+
+var _emscripten_glUniform2fv = _glUniform2fv;
+
+/** @suppress {duplicate } */ var _glUniform2i = (location, v0, v1) => {
+  GLctx.uniform2i(webglGetUniformLocation(location), v0, v1);
+};
+
+var _emscripten_glUniform2i = _glUniform2i;
+
+/** @suppress {duplicate } */ function _glUniform2iv(location, count, value) {
+  value >>>= 0;
+  if (count <= 144) {
+    // avoid allocation when uploading few enough uniforms
+    count *= 2;
+    var view = miniTempWebGLIntBuffers[count];
+    for (var i = 0; i < count; i += 2) {
+      view[i] = HEAP32[(((value) + (4 * i)) >>> 2) >>> 0];
+      view[i + 1] = HEAP32[(((value) + (4 * i + 4)) >>> 2) >>> 0];
+    }
+  } else {
+    var view = HEAP32.subarray((((value) >>> 2)) >>> 0, ((value + count * 8) >>> 2) >>> 0);
+  }
+  GLctx.uniform2iv(webglGetUniformLocation(location), view);
+}
+
+var _emscripten_glUniform2iv = _glUniform2iv;
+
+/** @suppress {duplicate } */ var _glUniform3f = (location, v0, v1, v2) => {
+  GLctx.uniform3f(webglGetUniformLocation(location), v0, v1, v2);
+};
+
+var _emscripten_glUniform3f = _glUniform3f;
+
+/** @suppress {duplicate } */ function _glUniform3fv(location, count, value) {
+  value >>>= 0;
+  if (count <= 96) {
+    // avoid allocation when uploading few enough uniforms
+    count *= 3;
+    var view = miniTempWebGLFloatBuffers[count];
+    for (var i = 0; i < count; i += 3) {
+      view[i] = HEAPF32[(((value) + (4 * i)) >>> 2) >>> 0];
+      view[i + 1] = HEAPF32[(((value) + (4 * i + 4)) >>> 2) >>> 0];
+      view[i + 2] = HEAPF32[(((value) + (4 * i + 8)) >>> 2) >>> 0];
+    }
+  } else {
+    var view = HEAPF32.subarray((((value) >>> 2)) >>> 0, ((value + count * 12) >>> 2) >>> 0);
+  }
+  GLctx.uniform3fv(webglGetUniformLocation(location), view);
+}
+
+var _emscripten_glUniform3fv = _glUniform3fv;
+
+/** @suppress {duplicate } */ var _glUniform3i = (location, v0, v1, v2) => {
+  GLctx.uniform3i(webglGetUniformLocation(location), v0, v1, v2);
+};
+
+var _emscripten_glUniform3i = _glUniform3i;
+
+/** @suppress {duplicate } */ function _glUniform3iv(location, count, value) {
+  value >>>= 0;
+  if (count <= 96) {
+    // avoid allocation when uploading few enough uniforms
+    count *= 3;
+    var view = miniTempWebGLIntBuffers[count];
+    for (var i = 0; i < count; i += 3) {
+      view[i] = HEAP32[(((value) + (4 * i)) >>> 2) >>> 0];
+      view[i + 1] = HEAP32[(((value) + (4 * i + 4)) >>> 2) >>> 0];
+      view[i + 2] = HEAP32[(((value) + (4 * i + 8)) >>> 2) >>> 0];
+    }
+  } else {
+    var view = HEAP32.subarray((((value) >>> 2)) >>> 0, ((value + count * 12) >>> 2) >>> 0);
+  }
+  GLctx.uniform3iv(webglGetUniformLocation(location), view);
+}
+
+var _emscripten_glUniform3iv = _glUniform3iv;
+
+/** @suppress {duplicate } */ var _glUniform4f = (location, v0, v1, v2, v3) => {
+  GLctx.uniform4f(webglGetUniformLocation(location), v0, v1, v2, v3);
+};
+
+var _emscripten_glUniform4f = _glUniform4f;
+
+/** @suppress {duplicate } */ function _glUniform4fv(location, count, value) {
+  value >>>= 0;
+  if (count <= 72) {
+    // avoid allocation when uploading few enough uniforms
+    var view = miniTempWebGLFloatBuffers[4 * count];
+    // hoist the heap out of the loop for size and for pthreads+growth.
+    var heap = HEAPF32;
+    value = ((value) >>> 2);
+    count *= 4;
+    for (var i = 0; i < count; i += 4) {
+      var dst = value + i;
+      view[i] = heap[dst >>> 0];
+      view[i + 1] = heap[dst + 1 >>> 0];
+      view[i + 2] = heap[dst + 2 >>> 0];
+      view[i + 3] = heap[dst + 3 >>> 0];
+    }
+  } else {
+    var view = HEAPF32.subarray((((value) >>> 2)) >>> 0, ((value + count * 16) >>> 2) >>> 0);
+  }
+  GLctx.uniform4fv(webglGetUniformLocation(location), view);
+}
+
+var _emscripten_glUniform4fv = _glUniform4fv;
+
+/** @suppress {duplicate } */ var _glUniform4i = (location, v0, v1, v2, v3) => {
+  GLctx.uniform4i(webglGetUniformLocation(location), v0, v1, v2, v3);
+};
+
+var _emscripten_glUniform4i = _glUniform4i;
+
+/** @suppress {duplicate } */ function _glUniform4iv(location, count, value) {
+  value >>>= 0;
+  if (count <= 72) {
+    // avoid allocation when uploading few enough uniforms
+    count *= 4;
+    var view = miniTempWebGLIntBuffers[count];
+    for (var i = 0; i < count; i += 4) {
+      view[i] = HEAP32[(((value) + (4 * i)) >>> 2) >>> 0];
+      view[i + 1] = HEAP32[(((value) + (4 * i + 4)) >>> 2) >>> 0];
+      view[i + 2] = HEAP32[(((value) + (4 * i + 8)) >>> 2) >>> 0];
+      view[i + 3] = HEAP32[(((value) + (4 * i + 12)) >>> 2) >>> 0];
+    }
+  } else {
+    var view = HEAP32.subarray((((value) >>> 2)) >>> 0, ((value + count * 16) >>> 2) >>> 0);
+  }
+  GLctx.uniform4iv(webglGetUniformLocation(location), view);
+}
+
+var _emscripten_glUniform4iv = _glUniform4iv;
+
+/** @suppress {duplicate } */ function _glUniformMatrix2fv(location, count, transpose, value) {
+  value >>>= 0;
+  if (count <= 72) {
+    // avoid allocation when uploading few enough uniforms
+    count *= 4;
+    var view = miniTempWebGLFloatBuffers[count];
+    for (var i = 0; i < count; i += 4) {
+      view[i] = HEAPF32[(((value) + (4 * i)) >>> 2) >>> 0];
+      view[i + 1] = HEAPF32[(((value) + (4 * i + 4)) >>> 2) >>> 0];
+      view[i + 2] = HEAPF32[(((value) + (4 * i + 8)) >>> 2) >>> 0];
+      view[i + 3] = HEAPF32[(((value) + (4 * i + 12)) >>> 2) >>> 0];
+    }
+  } else {
+    var view = HEAPF32.subarray((((value) >>> 2)) >>> 0, ((value + count * 16) >>> 2) >>> 0);
+  }
+  GLctx.uniformMatrix2fv(webglGetUniformLocation(location), !!transpose, view);
+}
+
+var _emscripten_glUniformMatrix2fv = _glUniformMatrix2fv;
+
+/** @suppress {duplicate } */ function _glUniformMatrix3fv(location, count, transpose, value) {
+  value >>>= 0;
+  if (count <= 32) {
+    // avoid allocation when uploading few enough uniforms
+    count *= 9;
+    var view = miniTempWebGLFloatBuffers[count];
+    for (var i = 0; i < count; i += 9) {
+      view[i] = HEAPF32[(((value) + (4 * i)) >>> 2) >>> 0];
+      view[i + 1] = HEAPF32[(((value) + (4 * i + 4)) >>> 2) >>> 0];
+      view[i + 2] = HEAPF32[(((value) + (4 * i + 8)) >>> 2) >>> 0];
+      view[i + 3] = HEAPF32[(((value) + (4 * i + 12)) >>> 2) >>> 0];
+      view[i + 4] = HEAPF32[(((value) + (4 * i + 16)) >>> 2) >>> 0];
+      view[i + 5] = HEAPF32[(((value) + (4 * i + 20)) >>> 2) >>> 0];
+      view[i + 6] = HEAPF32[(((value) + (4 * i + 24)) >>> 2) >>> 0];
+      view[i + 7] = HEAPF32[(((value) + (4 * i + 28)) >>> 2) >>> 0];
+      view[i + 8] = HEAPF32[(((value) + (4 * i + 32)) >>> 2) >>> 0];
+    }
+  } else {
+    var view = HEAPF32.subarray((((value) >>> 2)) >>> 0, ((value + count * 36) >>> 2) >>> 0);
+  }
+  GLctx.uniformMatrix3fv(webglGetUniformLocation(location), !!transpose, view);
+}
+
+var _emscripten_glUniformMatrix3fv = _glUniformMatrix3fv;
+
+/** @suppress {duplicate } */ function _glUniformMatrix4fv(location, count, transpose, value) {
+  value >>>= 0;
+  if (count <= 18) {
+    // avoid allocation when uploading few enough uniforms
+    var view = miniTempWebGLFloatBuffers[16 * count];
+    // hoist the heap out of the loop for size and for pthreads+growth.
+    var heap = HEAPF32;
+    value = ((value) >>> 2);
+    count *= 16;
+    for (var i = 0; i < count; i += 16) {
+      var dst = value + i;
+      view[i] = heap[dst >>> 0];
+      view[i + 1] = heap[dst + 1 >>> 0];
+      view[i + 2] = heap[dst + 2 >>> 0];
+      view[i + 3] = heap[dst + 3 >>> 0];
+      view[i + 4] = heap[dst + 4 >>> 0];
+      view[i + 5] = heap[dst + 5 >>> 0];
+      view[i + 6] = heap[dst + 6 >>> 0];
+      view[i + 7] = heap[dst + 7 >>> 0];
+      view[i + 8] = heap[dst + 8 >>> 0];
+      view[i + 9] = heap[dst + 9 >>> 0];
+      view[i + 10] = heap[dst + 10 >>> 0];
+      view[i + 11] = heap[dst + 11 >>> 0];
+      view[i + 12] = heap[dst + 12 >>> 0];
+      view[i + 13] = heap[dst + 13 >>> 0];
+      view[i + 14] = heap[dst + 14 >>> 0];
+      view[i + 15] = heap[dst + 15 >>> 0];
+    }
+  } else {
+    var view = HEAPF32.subarray((((value) >>> 2)) >>> 0, ((value + count * 64) >>> 2) >>> 0);
+  }
+  GLctx.uniformMatrix4fv(webglGetUniformLocation(location), !!transpose, view);
+}
+
+var _emscripten_glUniformMatrix4fv = _glUniformMatrix4fv;
+
+/** @suppress {duplicate } */ var _glUseProgram = program => {
+  program = GL.programs[program];
+  GLctx.useProgram(program);
+  // Record the currently active program so that we can access the uniform
+  // mapping table of that program.
+  GLctx.currentProgram = program;
+};
+
+var _emscripten_glUseProgram = _glUseProgram;
+
+/** @suppress {duplicate } */ var _glValidateProgram = program => {
+  GLctx.validateProgram(GL.programs[program]);
+};
+
+var _emscripten_glValidateProgram = _glValidateProgram;
+
+/** @suppress {duplicate } */ var _glVertexAttrib1f = (x0, x1) => GLctx.vertexAttrib1f(x0, x1);
+
+var _emscripten_glVertexAttrib1f = _glVertexAttrib1f;
+
+/** @suppress {duplicate } */ function _glVertexAttrib1fv(index, v) {
+  v >>>= 0;
+  GLctx.vertexAttrib1f(index, HEAPF32[v >>> 2]);
+}
+
+var _emscripten_glVertexAttrib1fv = _glVertexAttrib1fv;
+
+/** @suppress {duplicate } */ var _glVertexAttrib2f = (x0, x1, x2) => GLctx.vertexAttrib2f(x0, x1, x2);
+
+var _emscripten_glVertexAttrib2f = _glVertexAttrib2f;
+
+/** @suppress {duplicate } */ function _glVertexAttrib2fv(index, v) {
+  v >>>= 0;
+  GLctx.vertexAttrib2f(index, HEAPF32[v >>> 2], HEAPF32[v + 4 >>> 2]);
+}
+
+var _emscripten_glVertexAttrib2fv = _glVertexAttrib2fv;
+
+/** @suppress {duplicate } */ var _glVertexAttrib3f = (x0, x1, x2, x3) => GLctx.vertexAttrib3f(x0, x1, x2, x3);
+
+var _emscripten_glVertexAttrib3f = _glVertexAttrib3f;
+
+/** @suppress {duplicate } */ function _glVertexAttrib3fv(index, v) {
+  v >>>= 0;
+  GLctx.vertexAttrib3f(index, HEAPF32[v >>> 2], HEAPF32[v + 4 >>> 2], HEAPF32[v + 8 >>> 2]);
+}
+
+var _emscripten_glVertexAttrib3fv = _glVertexAttrib3fv;
+
+/** @suppress {duplicate } */ var _glVertexAttrib4f = (x0, x1, x2, x3, x4) => GLctx.vertexAttrib4f(x0, x1, x2, x3, x4);
+
+var _emscripten_glVertexAttrib4f = _glVertexAttrib4f;
+
+/** @suppress {duplicate } */ function _glVertexAttrib4fv(index, v) {
+  v >>>= 0;
+  GLctx.vertexAttrib4f(index, HEAPF32[v >>> 2], HEAPF32[v + 4 >>> 2], HEAPF32[v + 8 >>> 2], HEAPF32[v + 12 >>> 2]);
+}
+
+var _emscripten_glVertexAttrib4fv = _glVertexAttrib4fv;
+
+/** @suppress {duplicate } */ var _glVertexAttribDivisor = (index, divisor) => {
+  GLctx.vertexAttribDivisor(index, divisor);
+};
+
+/** @suppress {duplicate } */ var _glVertexAttribDivisorANGLE = _glVertexAttribDivisor;
+
+var _emscripten_glVertexAttribDivisorANGLE = _glVertexAttribDivisorANGLE;
+
+/** @suppress {duplicate } */ function _glVertexAttribPointer(index, size, type, normalized, stride, ptr) {
+  ptr >>>= 0;
+  GLctx.vertexAttribPointer(index, size, type, !!normalized, stride, ptr);
+}
+
+var _emscripten_glVertexAttribPointer = _glVertexAttribPointer;
+
+/** @suppress {duplicate } */ var _glViewport = (x0, x1, x2, x3) => GLctx.viewport(x0, x1, x2, x3);
+
+var _emscripten_glViewport = _glViewport;
+
+var _emscripten_has_asyncify = () => 0;
+
+var doRequestFullscreen = (target, strategy) => {
+  if (!JSEvents.fullscreenEnabled()) return -1;
+  target = findEventTarget(target);
+  if (!target) return -4;
+  if (!target.requestFullscreen && !target.webkitRequestFullscreen) {
+    return -3;
+  }
+  // Queue this function call if we're not currently in an event handler and
+  // the user saw it appropriate to do so.
+  if (!JSEvents.canPerformEventHandlerRequests()) {
+    if (strategy.deferUntilInEventHandler) {
+      JSEvents.deferCall(JSEvents_requestFullscreen, 1, [ target, strategy ]);
+      return 1;
+    }
+    return -2;
+  }
+  return JSEvents_requestFullscreen(target, strategy);
+};
+
+function _emscripten_request_fullscreen_strategy(target, deferUntilInEventHandler, fullscreenStrategy) {
+  target >>>= 0;
+  fullscreenStrategy >>>= 0;
+  var strategy = {
+    scaleMode: HEAP32[((fullscreenStrategy) >>> 2) >>> 0],
+    canvasResolutionScaleMode: HEAP32[(((fullscreenStrategy) + (4)) >>> 2) >>> 0],
+    filteringMode: HEAP32[(((fullscreenStrategy) + (8)) >>> 2) >>> 0],
+    deferUntilInEventHandler,
+    canvasResizedCallback: HEAP32[(((fullscreenStrategy) + (12)) >>> 2) >>> 0],
+    canvasResizedCallbackUserData: HEAP32[(((fullscreenStrategy) + (16)) >>> 2) >>> 0]
+  };
+  return doRequestFullscreen(target, strategy);
+}
+
+function _emscripten_request_pointerlock(target, deferUntilInEventHandler) {
+  target >>>= 0;
+  target = findEventTarget(target);
+  if (!target) return -4;
+  if (!target.requestPointerLock) {
+    return -1;
+  }
+  // Queue this function call if we're not currently in an event handler and
+  // the user saw it appropriate to do so.
+  if (!JSEvents.canPerformEventHandlerRequests()) {
+    if (deferUntilInEventHandler) {
+      JSEvents.deferCall(requestPointerLock, 2, [ target ]);
+      return 1;
+    }
+    return -2;
+  }
+  return requestPointerLock(target);
+}
+
+var alignMemory = (size, alignment) => Math.ceil(size / alignment) * alignment;
+
+var growMemory = size => {
+  var b = wasmMemory.buffer;
+  var pages = ((size - b.byteLength + 65535) / 65536) | 0;
+  try {
+    // round size grow request up to wasm page size (fixed 64KB per spec)
+    wasmMemory.grow(pages);
+    // .grow() takes a delta compared to the previous size
+    updateMemoryViews();
+    return 1;
+  } catch (e) {}
+};
+
+function _emscripten_resize_heap(requestedSize) {
+  requestedSize >>>= 0;
+  var oldSize = HEAPU8.length;
+  // With multithreaded builds, races can happen (another thread might increase the size
+  // in between), so return a failure, and let the caller retry.
+  // Memory resize rules:
+  // 1.  Always increase heap size to at least the requested size, rounded up
+  //     to next page multiple.
+  // 2a. If MEMORY_GROWTH_LINEAR_STEP == -1, excessively resize the heap
+  //     geometrically: increase the heap size according to
+  //     MEMORY_GROWTH_GEOMETRIC_STEP factor (default +20%), At most
+  //     overreserve by MEMORY_GROWTH_GEOMETRIC_CAP bytes (default 96MB).
+  // 2b. If MEMORY_GROWTH_LINEAR_STEP != -1, excessively resize the heap
+  //     linearly: increase the heap size by at least
+  //     MEMORY_GROWTH_LINEAR_STEP bytes.
+  // 3.  Max size for the heap is capped at 2048MB-WASM_PAGE_SIZE, or by
+  //     MAXIMUM_MEMORY, or by ASAN limit, depending on which is smallest
+  // 4.  If we were unable to allocate as much memory, it may be due to
+  //     over-eager decision to excessively reserve due to (3) above.
+  //     Hence if an allocation fails, cut down on the amount of excess
+  //     growth, in an attempt to succeed to perform a smaller allocation.
+  // A limit is set for how much we can grow. We should not exceed that
+  // (the wasm binary specifies it, so if we tried, we'd fail anyhow).
+  var maxHeapSize = getHeapMax();
+  if (requestedSize > maxHeapSize) {
+    return false;
+  }
+  // Loop through potential heap size increases. If we attempt a too eager
+  // reservation that fails, cut down on the attempted size and reserve a
+  // smaller bump instead. (max 3 times, chosen somewhat arbitrarily)
+  for (var cutDown = 1; cutDown <= 4; cutDown *= 2) {
+    var overGrownHeapSize = oldSize * (1 + .2 / cutDown);
+    // ensure geometric growth
+    // but limit overreserving (default to capping at +96MB overgrowth at most)
+    overGrownHeapSize = Math.min(overGrownHeapSize, requestedSize + 100663296);
+    var newSize = Math.min(maxHeapSize, alignMemory(Math.max(requestedSize, overGrownHeapSize), 65536));
+    var replacement = growMemory(newSize);
+    if (replacement) {
+      return true;
+    }
+  }
+  return false;
+}
+
+/** @suppress {checkTypes} */ var _emscripten_sample_gamepad_data = () => {
+  try {
+    if (navigator.getGamepads) return (JSEvents.lastGamepadState = navigator.getGamepads()) ? 0 : -1;
+  } catch (e) {
+    navigator.getGamepads = null;
+  }
+  return -1;
+};
+
+var registerBeforeUnloadEventCallback = (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString) => {
+  var beforeUnloadEventHandlerFunc = (e = event) => {
+    // Note: This is always called on the main browser thread, since it needs synchronously return a value!
+    var confirmationMessage = getWasmTableEntry(callbackfunc)(eventTypeId, 0, userData);
+    if (confirmationMessage) {
+      confirmationMessage = UTF8ToString(confirmationMessage);
+    }
+    if (confirmationMessage) {
+      e.preventDefault();
+      e.returnValue = confirmationMessage;
+      return confirmationMessage;
+    }
+  };
+  var eventHandler = {
+    target: findEventTarget(target),
+    eventTypeString,
+    callbackfunc,
+    handlerFunc: beforeUnloadEventHandlerFunc,
+    useCapture
+  };
+  return JSEvents.registerOrRemoveHandler(eventHandler);
+};
+
+function _emscripten_set_beforeunload_callback_on_thread(userData, callbackfunc, targetThread) {
+  userData >>>= 0;
+  callbackfunc >>>= 0;
+  targetThread >>>= 0;
+  if (typeof onbeforeunload == "undefined") return -1;
+  // beforeunload callback can only be registered on the main browser thread, because the page will go away immediately after returning from the handler,
+  // and there is no time to start proxying it anywhere.
+  if (targetThread !== 1) return -5;
+  return registerBeforeUnloadEventCallback(2, userData, true, callbackfunc, 28, "beforeunload");
+}
+
+var registerFocusEventCallback = (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) => {
+  JSEvents.focusEvent ||= _malloc(256);
+  var focusEventHandlerFunc = (e = event) => {
+    var nodeName = JSEvents.getNodeNameForTarget(e.target);
+    var id = e.target.id ? e.target.id : "";
+    var focusEvent = JSEvents.focusEvent;
+    stringToUTF8(nodeName, focusEvent + 0, 128);
+    stringToUTF8(id, focusEvent + 128, 128);
+    if (getWasmTableEntry(callbackfunc)(eventTypeId, focusEvent, userData)) e.preventDefault();
+  };
+  var eventHandler = {
+    target: findEventTarget(target),
+    eventTypeString,
+    callbackfunc,
+    handlerFunc: focusEventHandlerFunc,
+    useCapture
+  };
+  return JSEvents.registerOrRemoveHandler(eventHandler);
+};
+
+function _emscripten_set_blur_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
+  target >>>= 0;
+  userData >>>= 0;
+  callbackfunc >>>= 0;
+  targetThread >>>= 0;
+  return registerFocusEventCallback(target, userData, useCapture, callbackfunc, 12, "blur", targetThread);
+}
+
+function _emscripten_set_element_css_size(target, width, height) {
+  target >>>= 0;
+  target = findEventTarget(target);
+  if (!target) return -4;
+  target.style.width = width + "px";
+  target.style.height = height + "px";
+  return 0;
+}
+
+function _emscripten_set_focus_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
+  target >>>= 0;
+  userData >>>= 0;
+  callbackfunc >>>= 0;
+  targetThread >>>= 0;
+  return registerFocusEventCallback(target, userData, useCapture, callbackfunc, 13, "focus", targetThread);
+}
+
+var fillFullscreenChangeEventData = eventStruct => {
+  var fullscreenElement = document.fullscreenElement || document.mozFullScreenElement || document.webkitFullscreenElement || document.msFullscreenElement;
+  var isFullscreen = !!fullscreenElement;
+  // Assigning a boolean to HEAP32 with expected type coercion.
+  /** @suppress{checkTypes} */ HEAP8[eventStruct >>> 0] = isFullscreen;
+  HEAP8[(eventStruct) + (1) >>> 0] = JSEvents.fullscreenEnabled();
+  // If transitioning to fullscreen, report info about the element that is now fullscreen.
+  // If transitioning to windowed mode, report info about the element that just was fullscreen.
+  var reportedElement = isFullscreen ? fullscreenElement : JSEvents.previousFullscreenElement;
+  var nodeName = JSEvents.getNodeNameForTarget(reportedElement);
+  var id = reportedElement?.id || "";
+  stringToUTF8(nodeName, eventStruct + 2, 128);
+  stringToUTF8(id, eventStruct + 130, 128);
+  HEAP32[(((eventStruct) + (260)) >>> 2) >>> 0] = reportedElement ? reportedElement.clientWidth : 0;
+  HEAP32[(((eventStruct) + (264)) >>> 2) >>> 0] = reportedElement ? reportedElement.clientHeight : 0;
+  HEAP32[(((eventStruct) + (268)) >>> 2) >>> 0] = screen.width;
+  HEAP32[(((eventStruct) + (272)) >>> 2) >>> 0] = screen.height;
+  if (isFullscreen) {
+    JSEvents.previousFullscreenElement = fullscreenElement;
+  }
+};
+
+var registerFullscreenChangeEventCallback = (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) => {
+  JSEvents.fullscreenChangeEvent ||= _malloc(276);
+  var fullscreenChangeEventhandlerFunc = (e = event) => {
+    var fullscreenChangeEvent = JSEvents.fullscreenChangeEvent;
+    fillFullscreenChangeEventData(fullscreenChangeEvent);
+    if (getWasmTableEntry(callbackfunc)(eventTypeId, fullscreenChangeEvent, userData)) e.preventDefault();
+  };
+  var eventHandler = {
+    target,
+    eventTypeString,
+    callbackfunc,
+    handlerFunc: fullscreenChangeEventhandlerFunc,
+    useCapture
+  };
+  return JSEvents.registerOrRemoveHandler(eventHandler);
+};
+
+function _emscripten_set_fullscreenchange_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
+  target >>>= 0;
+  userData >>>= 0;
+  callbackfunc >>>= 0;
+  targetThread >>>= 0;
+  if (!JSEvents.fullscreenEnabled()) return -1;
+  target = findEventTarget(target);
+  if (!target) return -4;
+  // Unprefixed Fullscreen API shipped in Chromium 71 (https://bugs.chromium.org/p/chromium/issues/detail?id=383813)
+  // As of Safari 13.0.3 on macOS Catalina 10.15.1 still ships with prefixed webkitfullscreenchange. TODO: revisit this check once Safari ships unprefixed version.
+  registerFullscreenChangeEventCallback(target, userData, useCapture, callbackfunc, 19, "webkitfullscreenchange", targetThread);
+  return registerFullscreenChangeEventCallback(target, userData, useCapture, callbackfunc, 19, "fullscreenchange", targetThread);
+}
+
+var registerGamepadEventCallback = (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) => {
+  JSEvents.gamepadEvent ||= _malloc(1240);
+  var gamepadEventHandlerFunc = (e = event) => {
+    var gamepadEvent = JSEvents.gamepadEvent;
+    fillGamepadEventData(gamepadEvent, e["gamepad"]);
+    if (getWasmTableEntry(callbackfunc)(eventTypeId, gamepadEvent, userData)) e.preventDefault();
+  };
+  var eventHandler = {
+    target: findEventTarget(target),
+    allowsDeferredCalls: true,
+    eventTypeString,
+    callbackfunc,
+    handlerFunc: gamepadEventHandlerFunc,
+    useCapture
+  };
+  return JSEvents.registerOrRemoveHandler(eventHandler);
+};
+
+function _emscripten_set_gamepadconnected_callback_on_thread(userData, useCapture, callbackfunc, targetThread) {
+  userData >>>= 0;
+  callbackfunc >>>= 0;
+  targetThread >>>= 0;
+  if (_emscripten_sample_gamepad_data()) return -1;
+  return registerGamepadEventCallback(2, userData, useCapture, callbackfunc, 26, "gamepadconnected", targetThread);
+}
+
+function _emscripten_set_gamepaddisconnected_callback_on_thread(userData, useCapture, callbackfunc, targetThread) {
+  userData >>>= 0;
+  callbackfunc >>>= 0;
+  targetThread >>>= 0;
+  if (_emscripten_sample_gamepad_data()) return -1;
+  return registerGamepadEventCallback(2, userData, useCapture, callbackfunc, 27, "gamepaddisconnected", targetThread);
+}
+
+var registerKeyEventCallback = (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) => {
+  JSEvents.keyEvent ||= _malloc(160);
+  var keyEventHandlerFunc = e => {
+    var keyEventData = JSEvents.keyEvent;
+    HEAPF64[((keyEventData) >>> 3) >>> 0] = e.timeStamp;
+    var idx = ((keyEventData) >>> 2);
+    HEAP32[idx + 2 >>> 0] = e.location;
+    HEAP8[keyEventData + 12 >>> 0] = e.ctrlKey;
+    HEAP8[keyEventData + 13 >>> 0] = e.shiftKey;
+    HEAP8[keyEventData + 14 >>> 0] = e.altKey;
+    HEAP8[keyEventData + 15 >>> 0] = e.metaKey;
+    HEAP8[keyEventData + 16 >>> 0] = e.repeat;
+    HEAP32[idx + 5 >>> 0] = e.charCode;
+    HEAP32[idx + 6 >>> 0] = e.keyCode;
+    HEAP32[idx + 7 >>> 0] = e.which;
+    stringToUTF8(e.key || "", keyEventData + 32, 32);
+    stringToUTF8(e.code || "", keyEventData + 64, 32);
+    stringToUTF8(e.char || "", keyEventData + 96, 32);
+    stringToUTF8(e.locale || "", keyEventData + 128, 32);
+    if (getWasmTableEntry(callbackfunc)(eventTypeId, keyEventData, userData)) e.preventDefault();
+  };
+  var eventHandler = {
+    target: findEventTarget(target),
+    eventTypeString,
+    callbackfunc,
+    handlerFunc: keyEventHandlerFunc,
+    useCapture
+  };
+  return JSEvents.registerOrRemoveHandler(eventHandler);
+};
+
+function _emscripten_set_keydown_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
+  target >>>= 0;
+  userData >>>= 0;
+  callbackfunc >>>= 0;
+  targetThread >>>= 0;
+  return registerKeyEventCallback(target, userData, useCapture, callbackfunc, 2, "keydown", targetThread);
+}
+
+function _emscripten_set_keypress_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
+  target >>>= 0;
+  userData >>>= 0;
+  callbackfunc >>>= 0;
+  targetThread >>>= 0;
+  return registerKeyEventCallback(target, userData, useCapture, callbackfunc, 1, "keypress", targetThread);
+}
+
+function _emscripten_set_keyup_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
+  target >>>= 0;
+  userData >>>= 0;
+  callbackfunc >>>= 0;
+  targetThread >>>= 0;
+  return registerKeyEventCallback(target, userData, useCapture, callbackfunc, 3, "keyup", targetThread);
+}
+
+var _emscripten_set_main_loop_arg = function(func, arg, fps, simulateInfiniteLoop) {
+  func >>>= 0;
+  arg >>>= 0;
+  var iterFunc = () => getWasmTableEntry(func)(arg);
+  setMainLoop(iterFunc, fps, simulateInfiniteLoop, arg);
+};
+
+var fillMouseEventData = (eventStruct, e, target) => {
+  HEAPF64[((eventStruct) >>> 3) >>> 0] = e.timeStamp;
+  var idx = ((eventStruct) >>> 2);
+  HEAP32[idx + 2 >>> 0] = e.screenX;
+  HEAP32[idx + 3 >>> 0] = e.screenY;
+  HEAP32[idx + 4 >>> 0] = e.clientX;
+  HEAP32[idx + 5 >>> 0] = e.clientY;
+  HEAP8[eventStruct + 24 >>> 0] = e.ctrlKey;
+  HEAP8[eventStruct + 25 >>> 0] = e.shiftKey;
+  HEAP8[eventStruct + 26 >>> 0] = e.altKey;
+  HEAP8[eventStruct + 27 >>> 0] = e.metaKey;
+  HEAP16[idx * 2 + 14 >>> 0] = e.button;
+  HEAP16[idx * 2 + 15 >>> 0] = e.buttons;
+  HEAP32[idx + 8 >>> 0] = e["movementX"];
+  HEAP32[idx + 9 >>> 0] = e["movementY"];
+  // Note: rect contains doubles (truncated to placate SAFE_HEAP, which is the same behaviour when writing to HEAP32 anyway)
+  var rect = getBoundingClientRect(target);
+  HEAP32[idx + 10 >>> 0] = e.clientX - (rect.left | 0);
+  HEAP32[idx + 11 >>> 0] = e.clientY - (rect.top | 0);
+};
+
+var registerMouseEventCallback = (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) => {
+  JSEvents.mouseEvent ||= _malloc(64);
+  target = findEventTarget(target);
+  var mouseEventHandlerFunc = (e = event) => {
+    // TODO: Make this access thread safe, or this could update live while app is reading it.
+    fillMouseEventData(JSEvents.mouseEvent, e, target);
+    if (getWasmTableEntry(callbackfunc)(eventTypeId, JSEvents.mouseEvent, userData)) e.preventDefault();
+  };
+  var eventHandler = {
+    target,
+    allowsDeferredCalls: eventTypeString != "mousemove" && eventTypeString != "mouseenter" && eventTypeString != "mouseleave",
+    // Mouse move events do not allow fullscreen/pointer lock requests to be handled in them!
+    eventTypeString,
+    callbackfunc,
+    handlerFunc: mouseEventHandlerFunc,
+    useCapture
+  };
+  return JSEvents.registerOrRemoveHandler(eventHandler);
+};
+
+function _emscripten_set_mousedown_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
+  target >>>= 0;
+  userData >>>= 0;
+  callbackfunc >>>= 0;
+  targetThread >>>= 0;
+  return registerMouseEventCallback(target, userData, useCapture, callbackfunc, 5, "mousedown", targetThread);
+}
+
+function _emscripten_set_mouseenter_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
+  target >>>= 0;
+  userData >>>= 0;
+  callbackfunc >>>= 0;
+  targetThread >>>= 0;
+  return registerMouseEventCallback(target, userData, useCapture, callbackfunc, 33, "mouseenter", targetThread);
+}
+
+function _emscripten_set_mouseleave_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
+  target >>>= 0;
+  userData >>>= 0;
+  callbackfunc >>>= 0;
+  targetThread >>>= 0;
+  return registerMouseEventCallback(target, userData, useCapture, callbackfunc, 34, "mouseleave", targetThread);
+}
+
+function _emscripten_set_mousemove_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
+  target >>>= 0;
+  userData >>>= 0;
+  callbackfunc >>>= 0;
+  targetThread >>>= 0;
+  return registerMouseEventCallback(target, userData, useCapture, callbackfunc, 8, "mousemove", targetThread);
+}
+
+function _emscripten_set_mouseup_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
+  target >>>= 0;
+  userData >>>= 0;
+  callbackfunc >>>= 0;
+  targetThread >>>= 0;
+  return registerMouseEventCallback(target, userData, useCapture, callbackfunc, 6, "mouseup", targetThread);
+}
+
+var fillPointerlockChangeEventData = eventStruct => {
+  var pointerLockElement = document.pointerLockElement || document.mozPointerLockElement || document.webkitPointerLockElement || document.msPointerLockElement;
+  var isPointerlocked = !!pointerLockElement;
+  // Assigning a boolean to HEAP32 with expected type coercion.
+  /** @suppress{checkTypes} */ HEAP8[eventStruct >>> 0] = isPointerlocked;
+  var nodeName = JSEvents.getNodeNameForTarget(pointerLockElement);
+  var id = pointerLockElement?.id || "";
+  stringToUTF8(nodeName, eventStruct + 1, 128);
+  stringToUTF8(id, eventStruct + 129, 128);
+};
+
+var registerPointerlockChangeEventCallback = (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) => {
+  JSEvents.pointerlockChangeEvent ||= _malloc(257);
+  var pointerlockChangeEventHandlerFunc = (e = event) => {
+    var pointerlockChangeEvent = JSEvents.pointerlockChangeEvent;
+    fillPointerlockChangeEventData(pointerlockChangeEvent);
+    if (getWasmTableEntry(callbackfunc)(eventTypeId, pointerlockChangeEvent, userData)) e.preventDefault();
+  };
+  var eventHandler = {
+    target,
+    eventTypeString,
+    callbackfunc,
+    handlerFunc: pointerlockChangeEventHandlerFunc,
+    useCapture
+  };
+  return JSEvents.registerOrRemoveHandler(eventHandler);
+};
+
+/** @suppress {missingProperties} */ function _emscripten_set_pointerlockchange_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
+  target >>>= 0;
+  userData >>>= 0;
+  callbackfunc >>>= 0;
+  targetThread >>>= 0;
+  // TODO: Currently not supported in pthreads or in --proxy-to-worker mode. (In pthreads mode, document object is not defined)
+  if (!document || !document.body || (!document.body.requestPointerLock && !document.body.mozRequestPointerLock && !document.body.webkitRequestPointerLock && !document.body.msRequestPointerLock)) {
+    return -1;
+  }
+  target = findEventTarget(target);
+  if (!target) return -4;
+  registerPointerlockChangeEventCallback(target, userData, useCapture, callbackfunc, 20, "mozpointerlockchange", targetThread);
+  registerPointerlockChangeEventCallback(target, userData, useCapture, callbackfunc, 20, "webkitpointerlockchange", targetThread);
+  registerPointerlockChangeEventCallback(target, userData, useCapture, callbackfunc, 20, "mspointerlockchange", targetThread);
+  return registerPointerlockChangeEventCallback(target, userData, useCapture, callbackfunc, 20, "pointerlockchange", targetThread);
+}
+
+var registerUiEventCallback = (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) => {
+  JSEvents.uiEvent ||= _malloc(36);
+  target = findEventTarget(target);
+  var uiEventHandlerFunc = (e = event) => {
+    if (e.target != target) {
+      // Never take ui events such as scroll via a 'bubbled' route, but always from the direct element that
+      // was targeted. Otherwise e.g. if app logs a message in response to a page scroll, the Emscripten log
+      // message box could cause to scroll, generating a new (bubbled) scroll message, causing a new log print,
+      // causing a new scroll, etc..
+      return;
+    }
+    var b = document.body;
+    // Take document.body to a variable, Closure compiler does not outline access to it on its own.
+    if (!b) {
+      // During a page unload 'body' can be null, with "Cannot read property 'clientWidth' of null" being thrown
+      return;
+    }
+    var uiEvent = JSEvents.uiEvent;
+    HEAP32[((uiEvent) >>> 2) >>> 0] = 0;
+    // always zero for resize and scroll
+    HEAP32[(((uiEvent) + (4)) >>> 2) >>> 0] = b.clientWidth;
+    HEAP32[(((uiEvent) + (8)) >>> 2) >>> 0] = b.clientHeight;
+    HEAP32[(((uiEvent) + (12)) >>> 2) >>> 0] = innerWidth;
+    HEAP32[(((uiEvent) + (16)) >>> 2) >>> 0] = innerHeight;
+    HEAP32[(((uiEvent) + (20)) >>> 2) >>> 0] = outerWidth;
+    HEAP32[(((uiEvent) + (24)) >>> 2) >>> 0] = outerHeight;
+    HEAP32[(((uiEvent) + (28)) >>> 2) >>> 0] = pageXOffset | 0;
+    // scroll offsets are float
+    HEAP32[(((uiEvent) + (32)) >>> 2) >>> 0] = pageYOffset | 0;
+    if (getWasmTableEntry(callbackfunc)(eventTypeId, uiEvent, userData)) e.preventDefault();
+  };
+  var eventHandler = {
+    target,
+    eventTypeString,
+    callbackfunc,
+    handlerFunc: uiEventHandlerFunc,
+    useCapture
+  };
+  return JSEvents.registerOrRemoveHandler(eventHandler);
+};
+
+function _emscripten_set_resize_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
+  target >>>= 0;
+  userData >>>= 0;
+  callbackfunc >>>= 0;
+  targetThread >>>= 0;
+  return registerUiEventCallback(target, userData, useCapture, callbackfunc, 10, "resize", targetThread);
+}
+
+var registerTouchEventCallback = (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) => {
+  JSEvents.touchEvent ||= _malloc(1552);
+  target = findEventTarget(target);
+  var touchEventHandlerFunc = e => {
+    var t, touches = {}, et = e.touches;
+    // To ease marshalling different kinds of touches that browser reports (all touches are listed in e.touches,
+    // only changed touches in e.changedTouches, and touches on target at a.targetTouches), mark a boolean in
+    // each Touch object so that we can later loop only once over all touches we see to marshall over to Wasm.
+    for (let t of et) {
+      // Browser might recycle the generated Touch objects between each frame (Firefox on Android), so reset any
+      // changed/target states we may have set from previous frame.
+      t.isChanged = t.onTarget = 0;
+      touches[t.identifier] = t;
+    }
+    // Mark which touches are part of the changedTouches list.
+    for (let t of e.changedTouches) {
+      t.isChanged = 1;
+      touches[t.identifier] = t;
+    }
+    // Mark which touches are part of the targetTouches list.
+    for (let t of e.targetTouches) {
+      touches[t.identifier].onTarget = 1;
+    }
+    var touchEvent = JSEvents.touchEvent;
+    HEAPF64[((touchEvent) >>> 3) >>> 0] = e.timeStamp;
+    HEAP8[touchEvent + 12 >>> 0] = e.ctrlKey;
+    HEAP8[touchEvent + 13 >>> 0] = e.shiftKey;
+    HEAP8[touchEvent + 14 >>> 0] = e.altKey;
+    HEAP8[touchEvent + 15 >>> 0] = e.metaKey;
+    var idx = touchEvent + 16;
+    var targetRect = getBoundingClientRect(target);
+    var numTouches = 0;
+    for (let t of Object.values(touches)) {
+      var idx32 = ((idx) >>> 2);
+      // Pre-shift the ptr to index to HEAP32 to save code size
+      HEAP32[idx32 + 0 >>> 0] = t.identifier;
+      HEAP32[idx32 + 1 >>> 0] = t.screenX;
+      HEAP32[idx32 + 2 >>> 0] = t.screenY;
+      HEAP32[idx32 + 3 >>> 0] = t.clientX;
+      HEAP32[idx32 + 4 >>> 0] = t.clientY;
+      HEAP32[idx32 + 5 >>> 0] = t.pageX;
+      HEAP32[idx32 + 6 >>> 0] = t.pageY;
+      HEAP8[idx + 28 >>> 0] = t.isChanged;
+      HEAP8[idx + 29 >>> 0] = t.onTarget;
+      HEAP32[idx32 + 8 >>> 0] = t.clientX - (targetRect.left | 0);
+      HEAP32[idx32 + 9 >>> 0] = t.clientY - (targetRect.top | 0);
+      idx += 48;
+      if (++numTouches > 31) {
+        break;
+      }
+    }
+    HEAP32[(((touchEvent) + (8)) >>> 2) >>> 0] = numTouches;
+    if (getWasmTableEntry(callbackfunc)(eventTypeId, touchEvent, userData)) e.preventDefault();
+  };
+  var eventHandler = {
+    target,
+    allowsDeferredCalls: eventTypeString == "touchstart" || eventTypeString == "touchend",
+    eventTypeString,
+    callbackfunc,
+    handlerFunc: touchEventHandlerFunc,
+    useCapture
+  };
+  return JSEvents.registerOrRemoveHandler(eventHandler);
+};
+
+function _emscripten_set_touchcancel_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
+  target >>>= 0;
+  userData >>>= 0;
+  callbackfunc >>>= 0;
+  targetThread >>>= 0;
+  return registerTouchEventCallback(target, userData, useCapture, callbackfunc, 25, "touchcancel", targetThread);
+}
+
+function _emscripten_set_touchend_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
+  target >>>= 0;
+  userData >>>= 0;
+  callbackfunc >>>= 0;
+  targetThread >>>= 0;
+  return registerTouchEventCallback(target, userData, useCapture, callbackfunc, 23, "touchend", targetThread);
+}
+
+function _emscripten_set_touchmove_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
+  target >>>= 0;
+  userData >>>= 0;
+  callbackfunc >>>= 0;
+  targetThread >>>= 0;
+  return registerTouchEventCallback(target, userData, useCapture, callbackfunc, 24, "touchmove", targetThread);
+}
+
+function _emscripten_set_touchstart_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
+  target >>>= 0;
+  userData >>>= 0;
+  callbackfunc >>>= 0;
+  targetThread >>>= 0;
+  return registerTouchEventCallback(target, userData, useCapture, callbackfunc, 22, "touchstart", targetThread);
+}
+
+var fillVisibilityChangeEventData = eventStruct => {
+  var visibilityStates = [ "hidden", "visible", "prerender", "unloaded" ];
+  var visibilityState = visibilityStates.indexOf(document.visibilityState);
+  // Assigning a boolean to HEAP32 with expected type coercion.
+  /** @suppress{checkTypes} */ HEAP8[eventStruct >>> 0] = document.hidden;
+  HEAP32[(((eventStruct) + (4)) >>> 2) >>> 0] = visibilityState;
+};
+
+var registerVisibilityChangeEventCallback = (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) => {
+  JSEvents.visibilityChangeEvent ||= _malloc(8);
+  var visibilityChangeEventHandlerFunc = (e = event) => {
+    var visibilityChangeEvent = JSEvents.visibilityChangeEvent;
+    fillVisibilityChangeEventData(visibilityChangeEvent);
+    if (getWasmTableEntry(callbackfunc)(eventTypeId, visibilityChangeEvent, userData)) e.preventDefault();
+  };
+  var eventHandler = {
+    target,
+    eventTypeString,
+    callbackfunc,
+    handlerFunc: visibilityChangeEventHandlerFunc,
+    useCapture
+  };
+  return JSEvents.registerOrRemoveHandler(eventHandler);
+};
+
+function _emscripten_set_visibilitychange_callback_on_thread(userData, useCapture, callbackfunc, targetThread) {
+  userData >>>= 0;
+  callbackfunc >>>= 0;
+  targetThread >>>= 0;
+  return registerVisibilityChangeEventCallback(specialHTMLTargets[1], userData, useCapture, callbackfunc, 21, "visibilitychange", targetThread);
+}
+
+var registerWheelEventCallback = (target, userData, useCapture, callbackfunc, eventTypeId, eventTypeString, targetThread) => {
+  JSEvents.wheelEvent ||= _malloc(96);
+  // The DOM Level 3 events spec event 'wheel'
+  var wheelHandlerFunc = (e = event) => {
+    var wheelEvent = JSEvents.wheelEvent;
+    fillMouseEventData(wheelEvent, e, target);
+    HEAPF64[(((wheelEvent) + (64)) >>> 3) >>> 0] = e["deltaX"];
+    HEAPF64[(((wheelEvent) + (72)) >>> 3) >>> 0] = e["deltaY"];
+    HEAPF64[(((wheelEvent) + (80)) >>> 3) >>> 0] = e["deltaZ"];
+    HEAP32[(((wheelEvent) + (88)) >>> 2) >>> 0] = e["deltaMode"];
+    if (getWasmTableEntry(callbackfunc)(eventTypeId, wheelEvent, userData)) e.preventDefault();
+  };
+  var eventHandler = {
+    target,
+    allowsDeferredCalls: true,
+    eventTypeString,
+    callbackfunc,
+    handlerFunc: wheelHandlerFunc,
+    useCapture
+  };
+  return JSEvents.registerOrRemoveHandler(eventHandler);
+};
+
+function _emscripten_set_wheel_callback_on_thread(target, userData, useCapture, callbackfunc, targetThread) {
+  target >>>= 0;
+  userData >>>= 0;
+  callbackfunc >>>= 0;
+  targetThread >>>= 0;
+  target = findEventTarget(target);
+  if (!target) return -4;
+  if (typeof target.onwheel != "undefined") {
+    return registerWheelEventCallback(target, userData, useCapture, callbackfunc, 9, "wheel", targetThread);
+  } else {
+    return -1;
+  }
+}
+
+function _emscripten_set_window_title(title) {
+  title >>>= 0;
+  return document.title = UTF8ToString(title);
+}
+
+var _emscripten_sleep = () => {
+  throw "Please compile your program with async support in order to use asynchronous operations like emscripten_sleep";
+};
+
+var ENV = {};
+
+var getExecutableName = () => thisProgram || "./this.program";
+
+var getEnvStrings = () => {
+  if (!getEnvStrings.strings) {
+    // Default values.
+    // Browser language detection #8751
+    var lang = ((typeof navigator == "object" && navigator.languages && navigator.languages[0]) || "C").replace("-", "_") + ".UTF-8";
+    var env = {
+      "USER": "web_user",
+      "LOGNAME": "web_user",
+      "PATH": "/",
+      "PWD": "/",
+      "HOME": "/home/web_user",
+      "LANG": lang,
+      "_": getExecutableName()
+    };
+    // Apply the user-provided values, if any.
+    for (var x in ENV) {
+      // x is a key in ENV; if ENV[x] is undefined, that means it was
+      // explicitly set to be so. We allow user code to do that to
+      // force variables with default values to remain unset.
+      if (ENV[x] === undefined) delete env[x]; else env[x] = ENV[x];
+    }
+    var strings = [];
+    for (var x in env) {
+      strings.push(`${x}=${env[x]}`);
+    }
+    getEnvStrings.strings = strings;
+  }
+  return getEnvStrings.strings;
+};
+
+var stringToAscii = (str, buffer) => {
+  for (var i = 0; i < str.length; ++i) {
+    HEAP8[buffer++ >>> 0] = str.charCodeAt(i);
+  }
+  // Null-terminate the string
+  HEAP8[buffer >>> 0] = 0;
+};
+
+var _environ_get = function(__environ, environ_buf) {
+  __environ >>>= 0;
+  environ_buf >>>= 0;
+  var bufSize = 0;
+  getEnvStrings().forEach((string, i) => {
+    var ptr = environ_buf + bufSize;
+    HEAPU32[(((__environ) + (i * 4)) >>> 2) >>> 0] = ptr;
+    stringToAscii(string, ptr);
+    bufSize += string.length + 1;
+  });
+  return 0;
+};
+
+var _environ_sizes_get = function(penviron_count, penviron_buf_size) {
+  penviron_count >>>= 0;
+  penviron_buf_size >>>= 0;
+  var strings = getEnvStrings();
+  HEAPU32[((penviron_count) >>> 2) >>> 0] = strings.length;
+  var bufSize = 0;
+  strings.forEach(string => bufSize += string.length + 1);
+  HEAPU32[((penviron_buf_size) >>> 2) >>> 0] = bufSize;
+  return 0;
+};
+
+function _fd_close(fd) {
+  try {
+    var stream = SYSCALLS.getStreamFromFD(fd);
+    FS.close(stream);
+    return 0;
+  } catch (e) {
+    if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
+    return e.errno;
+  }
+}
+
+/** @param {number=} offset */ var doReadv = (stream, iov, iovcnt, offset) => {
+  var ret = 0;
+  for (var i = 0; i < iovcnt; i++) {
+    var ptr = HEAPU32[((iov) >>> 2) >>> 0];
+    var len = HEAPU32[(((iov) + (4)) >>> 2) >>> 0];
+    iov += 8;
+    var curr = FS.read(stream, HEAP8, ptr, len, offset);
+    if (curr < 0) return -1;
+    ret += curr;
+    if (curr < len) break;
+    // nothing more to read
+    if (typeof offset != "undefined") {
+      offset += curr;
+    }
+  }
+  return ret;
+};
+
+function _fd_read(fd, iov, iovcnt, pnum) {
+  iov >>>= 0;
+  iovcnt >>>= 0;
+  pnum >>>= 0;
+  try {
+    var stream = SYSCALLS.getStreamFromFD(fd);
+    var num = doReadv(stream, iov, iovcnt);
+    HEAPU32[((pnum) >>> 2) >>> 0] = num;
+    return 0;
+  } catch (e) {
+    if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
+    return e.errno;
+  }
+}
+
+function _fd_seek(fd, offset, whence, newOffset) {
+  offset = bigintToI53Checked(offset);
+  newOffset >>>= 0;
+  try {
+    if (isNaN(offset)) return 61;
+    var stream = SYSCALLS.getStreamFromFD(fd);
+    FS.llseek(stream, offset, whence);
+    HEAP64[((newOffset) >>> 3)] = BigInt(stream.position);
+    if (stream.getdents && offset === 0 && whence === 0) stream.getdents = null;
+    // reset readdir state
+    return 0;
+  } catch (e) {
+    if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
+    return e.errno;
+  }
+}
+
+/** @param {number=} offset */ var doWritev = (stream, iov, iovcnt, offset) => {
+  var ret = 0;
+  for (var i = 0; i < iovcnt; i++) {
+    var ptr = HEAPU32[((iov) >>> 2) >>> 0];
+    var len = HEAPU32[(((iov) + (4)) >>> 2) >>> 0];
+    iov += 8;
+    var curr = FS.write(stream, HEAP8, ptr, len, offset);
+    if (curr < 0) return -1;
+    ret += curr;
+    if (curr < len) {
+      // No more space to write.
+      break;
+    }
+    if (typeof offset != "undefined") {
+      offset += curr;
+    }
+  }
+  return ret;
+};
+
+function _fd_write(fd, iov, iovcnt, pnum) {
+  iov >>>= 0;
+  iovcnt >>>= 0;
+  pnum >>>= 0;
+  try {
+    var stream = SYSCALLS.getStreamFromFD(fd);
+    var num = doWritev(stream, iov, iovcnt);
+    HEAPU32[((pnum) >>> 2) >>> 0] = num;
+    return 0;
+  } catch (e) {
+    if (typeof FS == "undefined" || !(e.name === "ErrnoError")) throw e;
+    return e.errno;
+  }
+}
+
+var listenOnce = (object, event, func) => object.addEventListener(event, func, {
+  "once": true
+});
+
+/** @param {Object=} elements */ var autoResumeAudioContext = (ctx, elements) => {
+  if (!elements) {
+    elements = [ document, document.getElementById("canvas") ];
+  }
+  [ "keydown", "mousedown", "touchstart" ].forEach(event => {
+    elements.forEach(element => {
+      if (element) {
+        listenOnce(element, event, () => {
+          if (ctx.state === "suspended") ctx.resume();
+        });
+      }
+    });
+  });
+};
+
+var dynCall = (sig, ptr, args = [], promising = false) => {
+  var func = getWasmTableEntry(ptr);
+  var rtn = func(...args);
+  return sig[0] == "p" ? rtn >>> 0 : rtn;
+};
+
+var getCFunc = ident => {
+  var func = Module["_" + ident];
+  // closure exported function
+  return func;
+};
+
+var writeArrayToMemory = (array, buffer) => {
+  HEAP8.set(array, buffer >>> 0);
+};
+
+/**
+     * @param {string|null=} returnType
+     * @param {Array=} argTypes
+     * @param {Arguments|Array=} args
+     * @param {Object=} opts
+     */ var ccall = (ident, returnType, argTypes, args, opts) => {
+  // For fast lookup of conversion functions
+  var toC = {
+    "string": str => {
+      var ret = 0;
+      if (str !== null && str !== undefined && str !== 0) {
+        // null string
+        ret = stringToUTF8OnStack(str);
+      }
+      return ret;
+    },
+    "array": arr => {
+      var ret = stackAlloc(arr.length);
+      writeArrayToMemory(arr, ret);
+      return ret;
+    }
+  };
+  function convertReturnValue(ret) {
+    if (returnType === "string") {
+      return UTF8ToString(ret);
+    }
+    if (returnType === "boolean") return Boolean(ret);
+    return ret;
+  }
+  var func = getCFunc(ident);
+  var cArgs = [];
+  var stack = 0;
+  if (args) {
+    for (var i = 0; i < args.length; i++) {
+      var converter = toC[argTypes[i]];
+      if (converter) {
+        if (stack === 0) stack = stackSave();
+        cArgs[i] = converter(args[i]);
+      } else {
+        cArgs[i] = args[i];
+      }
+    }
+  }
+  var ret = func(...cArgs);
+  function onDone(ret) {
+    if (stack !== 0) stackRestore(stack);
+    return convertReturnValue(ret);
+  }
+  ret = onDone(ret);
+  return ret;
+};
+
+/**
+     * @param {string=} returnType
+     * @param {Array=} argTypes
+     * @param {Object=} opts
+     */ var cwrap = (ident, returnType, argTypes, opts) => {
+  // When the function takes numbers and returns a number, we can just return
+  // the original function
+  var numericArgs = !argTypes || argTypes.every(type => type === "number" || type === "boolean");
+  var numericRet = returnType !== "string";
+  if (numericRet && numericArgs && !opts) {
+    return getCFunc(ident);
+  }
+  return (...args) => ccall(ident, returnType, argTypes, args, opts);
+};
+
+var uleb128Encode = (n, target) => {
+  if (n < 128) {
+    target.push(n);
+  } else {
+    target.push((n % 128) | 128, n >> 7);
+  }
+};
+
+var sigToWasmTypes = sig => {
+  var typeNames = {
+    "i": "i32",
+    "j": "i64",
+    "f": "f32",
+    "d": "f64",
+    "e": "externref",
+    "p": "i32"
+  };
+  var type = {
+    parameters: [],
+    results: sig[0] == "v" ? [] : [ typeNames[sig[0]] ]
+  };
+  for (var i = 1; i < sig.length; ++i) {
+    type.parameters.push(typeNames[sig[i]]);
+  }
+  return type;
+};
+
+var generateFuncType = (sig, target) => {
+  var sigRet = sig.slice(0, 1);
+  var sigParam = sig.slice(1);
+  var typeCodes = {
+    "i": 127,
+    // i32
+    "p": 127,
+    // i32
+    "j": 126,
+    // i64
+    "f": 125,
+    // f32
+    "d": 124,
+    // f64
+    "e": 111
+  };
+  // Parameters, length + signatures
+  target.push(96);
+  uleb128Encode(sigParam.length, target);
+  for (var paramType of sigParam) {
+    target.push(typeCodes[paramType]);
+  }
+  // Return values, length + signatures
+  // With no multi-return in MVP, either 0 (void) or 1 (anything else)
+  if (sigRet == "v") {
+    target.push(0);
+  } else {
+    target.push(1, typeCodes[sigRet]);
+  }
+};
+
+var convertJsFunctionToWasm = (func, sig) => {
+  // If the type reflection proposal is available, use the new
+  // "WebAssembly.Function" constructor.
+  // Otherwise, construct a minimal wasm module importing the JS function and
+  // re-exporting it.
+  if (typeof WebAssembly.Function == "function") {
+    return new WebAssembly.Function(sigToWasmTypes(sig), func);
+  }
+  // The module is static, with the exception of the type section, which is
+  // generated based on the signature passed in.
+  var typeSectionBody = [ 1 ];
+  generateFuncType(sig, typeSectionBody);
+  // Rest of the module is static
+  var bytes = [ 0, 97, 115, 109, // magic ("\0asm")
+  1, 0, 0, 0, // version: 1
+  1 ];
+  // Write the overall length of the type section followed by the body
+  uleb128Encode(typeSectionBody.length, bytes);
+  bytes.push(...typeSectionBody);
+  // The rest of the module is static
+  bytes.push(2, 7, // import section
+  // (import "e" "f" (func 0 (type 0)))
+  1, 1, 101, 1, 102, 0, 0, 7, 5, // export section
+  // (export "f" (func 0 (type 0)))
+  1, 1, 102, 0, 0);
+  // We can compile this wasm module synchronously because it is very small.
+  // This accepts an import (at "e.f"), that it reroutes to an export (at "f")
+  var module = new WebAssembly.Module(new Uint8Array(bytes));
+  var instance = new WebAssembly.Instance(module, {
+    "e": {
+      "f": func
+    }
+  });
+  var wrappedFunc = instance.exports["f"];
+  return wrappedFunc;
+};
+
+var updateTableMap = (offset, count) => {
+  if (functionsInTableMap) {
+    for (var i = offset; i < offset + count; i++) {
+      var item = getWasmTableEntry(i);
+      // Ignore null values.
+      if (item) {
+        functionsInTableMap.set(item, i);
+      }
+    }
+  }
+};
+
+var functionsInTableMap;
+
+var getFunctionAddress = func => {
+  // First, create the map if this is the first use.
+  if (!functionsInTableMap) {
+    functionsInTableMap = new WeakMap;
+    updateTableMap(0, wasmTable.length);
+  }
+  return functionsInTableMap.get(func) || 0;
+};
+
+var freeTableIndexes = [];
+
+var getEmptyTableSlot = () => {
+  // Reuse a free index if there is one, otherwise grow.
+  if (freeTableIndexes.length) {
+    return freeTableIndexes.pop();
+  }
+  // Grow the table
+  try {
+    /** @suppress {checkTypes} */ wasmTable.grow(1);
+  } catch (err) {
+    if (!(err instanceof RangeError)) {
+      throw err;
+    }
+    throw "Unable to grow wasm table. Set ALLOW_TABLE_GROWTH.";
+  }
+  return wasmTable.length - 1;
+};
+
+/** @suppress{checkTypes} */ var setWasmTableEntry = (idx, func) => wasmTable.set(idx, func);
+
+/** @param {string=} sig */ var addFunction = (func, sig) => {
+  // Check if the function is already in the table, to ensure each function
+  // gets a unique index.
+  var rtn = getFunctionAddress(func);
+  if (rtn) {
+    return rtn;
+  }
+  // It's not in the table, add it now.
+  var ret = getEmptyTableSlot();
+  // Set the new value.
+  try {
+    // Attempting to call this with JS function will cause of table.set() to fail
+    setWasmTableEntry(ret, func);
+  } catch (err) {
+    if (!(err instanceof TypeError)) {
+      throw err;
+    }
+    var wrapped = convertJsFunctionToWasm(func, sig);
+    setWasmTableEntry(ret, wrapped);
+  }
+  functionsInTableMap.set(func, ret);
+  return ret;
+};
+
+var FS_createPath = FS.createPath;
+
+var FS_unlink = path => FS.unlink(path);
+
+var FS_createLazyFile = FS.createLazyFile;
+
+var FS_createDevice = FS.createDevice;
+
+FS.createPreloadedFile = FS_createPreloadedFile;
+
+FS.staticInit();
+
+// Set module methods based on EXPORTED_RUNTIME_METHODS
+Module["FS_createPath"] = FS.createPath;
+
+Module["FS_createDataFile"] = FS.createDataFile;
+
+Module["FS_createPreloadedFile"] = FS.createPreloadedFile;
+
+Module["FS_unlink"] = FS.unlink;
+
+Module["FS_createLazyFile"] = FS.createLazyFile;
+
+Module["FS_createDevice"] = FS.createDevice;
+
+// This error may happen quite a bit. To avoid overhead we reuse it (and
+// suffer a lack of stack info).
+MEMFS.doesNotExistError = new FS.ErrnoError(44);
+
+/** @suppress {checkTypes} */ MEMFS.doesNotExistError.stack = "<generic error, no stack>";
+
+// exports
+Module["requestFullscreen"] = Browser.requestFullscreen;
+
+Module["setCanvasSize"] = Browser.setCanvasSize;
+
+Module["getUserMedia"] = Browser.getUserMedia;
+
+Module["createContext"] = Browser.createContext;
+
+Module["requestAnimationFrame"] = MainLoop.requestAnimationFrame;
+
+Module["pauseMainLoop"] = MainLoop.pause;
+
+Module["resumeMainLoop"] = MainLoop.resume;
+
+MainLoop.init();
+
+for (let i = 0; i < 32; ++i) tempFixedLengthArray.push(new Array(i));
+
+var miniTempWebGLFloatBuffersStorage = new Float32Array(288);
+
+// Create GL_POOL_TEMP_BUFFERS_SIZE+1 temporary buffers, for uploads of size 0 through GL_POOL_TEMP_BUFFERS_SIZE inclusive
+for (/**@suppress{duplicate}*/ var i = 0; i <= 288; ++i) {
+  miniTempWebGLFloatBuffers[i] = miniTempWebGLFloatBuffersStorage.subarray(0, i);
+}
+
+var miniTempWebGLIntBuffersStorage = new Int32Array(288);
+
+// Create GL_POOL_TEMP_BUFFERS_SIZE+1 temporary buffers, for uploads of size 0 through GL_POOL_TEMP_BUFFERS_SIZE inclusive
+for (/**@suppress{duplicate}*/ var i = 0; i <= 288; ++i) {
+  miniTempWebGLIntBuffers[i] = miniTempWebGLIntBuffersStorage.subarray(0, i);
+}
+
+// End JS library code
+var ASM_CONSTS = {
+  158386: $0 => {
+    var str = UTF8ToString($0) + "\n\n" + "Abort/Retry/Ignore/AlwaysIgnore? [ariA] :";
+    var reply = window.prompt(str, "i");
+    if (reply === null) {
+      reply = "i";
+    }
+    return allocate(intArrayFromString(reply), "i8", ALLOC_NORMAL);
+  },
+  158611: () => {
+    if (typeof (AudioContext) !== "undefined") {
+      return true;
+    } else if (typeof (webkitAudioContext) !== "undefined") {
+      return true;
+    }
+    return false;
+  },
+  158758: () => {
+    if ((typeof (navigator.mediaDevices) !== "undefined") && (typeof (navigator.mediaDevices.getUserMedia) !== "undefined")) {
+      return true;
+    } else if (typeof (navigator.webkitGetUserMedia) !== "undefined") {
+      return true;
+    }
+    return false;
+  },
+  158992: $0 => {
+    if (typeof (Module["SDL2"]) === "undefined") {
+      Module["SDL2"] = {};
+    }
+    var SDL2 = Module["SDL2"];
+    if (!$0) {
+      SDL2.audio = {};
+    } else {
+      SDL2.capture = {};
+    }
+    if (!SDL2.audioContext) {
+      if (typeof (AudioContext) !== "undefined") {
+        SDL2.audioContext = new AudioContext;
+      } else if (typeof (webkitAudioContext) !== "undefined") {
+        SDL2.audioContext = new webkitAudioContext;
+      }
+      if (SDL2.audioContext) {
+        if ((typeof navigator.userActivation) === "undefined") {
+          autoResumeAudioContext(SDL2.audioContext);
+        }
+      }
+    }
+    return SDL2.audioContext === undefined ? -1 : 0;
+  },
+  159544: () => {
+    var SDL2 = Module["SDL2"];
+    return SDL2.audioContext.sampleRate;
+  },
+  159612: ($0, $1, $2, $3) => {
+    var SDL2 = Module["SDL2"];
+    var have_microphone = function(stream) {
+      if (SDL2.capture.silenceTimer !== undefined) {
+        clearInterval(SDL2.capture.silenceTimer);
+        SDL2.capture.silenceTimer = undefined;
+        SDL2.capture.silenceBuffer = undefined;
+      }
+      SDL2.capture.mediaStreamNode = SDL2.audioContext.createMediaStreamSource(stream);
+      SDL2.capture.scriptProcessorNode = SDL2.audioContext.createScriptProcessor($1, $0, 1);
+      SDL2.capture.scriptProcessorNode.onaudioprocess = function(audioProcessingEvent) {
+        if ((SDL2 === undefined) || (SDL2.capture === undefined)) {
+          return;
+        }
+        audioProcessingEvent.outputBuffer.getChannelData(0).fill(0);
+        SDL2.capture.currentCaptureBuffer = audioProcessingEvent.inputBuffer;
+        dynCall("vi", $2, [ $3 ]);
+      };
+      SDL2.capture.mediaStreamNode.connect(SDL2.capture.scriptProcessorNode);
+      SDL2.capture.scriptProcessorNode.connect(SDL2.audioContext.destination);
+      SDL2.capture.stream = stream;
+    };
+    var no_microphone = function(error) {};
+    SDL2.capture.silenceBuffer = SDL2.audioContext.createBuffer($0, $1, SDL2.audioContext.sampleRate);
+    SDL2.capture.silenceBuffer.getChannelData(0).fill(0);
+    var silence_callback = function() {
+      SDL2.capture.currentCaptureBuffer = SDL2.capture.silenceBuffer;
+      dynCall("vi", $2, [ $3 ]);
+    };
+    SDL2.capture.silenceTimer = setInterval(silence_callback, ($1 / SDL2.audioContext.sampleRate) * 1e3);
+    if ((navigator.mediaDevices !== undefined) && (navigator.mediaDevices.getUserMedia !== undefined)) {
+      navigator.mediaDevices.getUserMedia({
+        audio: true,
+        video: false
+      }).then(have_microphone).catch(no_microphone);
+    } else if (navigator.webkitGetUserMedia !== undefined) {
+      navigator.webkitGetUserMedia({
+        audio: true,
+        video: false
+      }, have_microphone, no_microphone);
+    }
+  },
+  161305: ($0, $1, $2, $3) => {
+    var SDL2 = Module["SDL2"];
+    SDL2.audio.scriptProcessorNode = SDL2.audioContext["createScriptProcessor"]($1, 0, $0);
+    SDL2.audio.scriptProcessorNode["onaudioprocess"] = function(e) {
+      if ((SDL2 === undefined) || (SDL2.audio === undefined)) {
+        return;
+      }
+      if (SDL2.audio.silenceTimer !== undefined) {
+        clearInterval(SDL2.audio.silenceTimer);
+        SDL2.audio.silenceTimer = undefined;
+        SDL2.audio.silenceBuffer = undefined;
+      }
+      SDL2.audio.currentOutputBuffer = e["outputBuffer"];
+      dynCall("vi", $2, [ $3 ]);
+    };
+    SDL2.audio.scriptProcessorNode["connect"](SDL2.audioContext["destination"]);
+    if (SDL2.audioContext.state === "suspended") {
+      SDL2.audio.silenceBuffer = SDL2.audioContext.createBuffer($0, $1, SDL2.audioContext.sampleRate);
+      SDL2.audio.silenceBuffer.getChannelData(0).fill(0);
+      var silence_callback = function() {
+        if ((typeof navigator.userActivation) !== "undefined") {
+          if (navigator.userActivation.hasBeenActive) {
+            SDL2.audioContext.resume();
+          }
+        }
+        SDL2.audio.currentOutputBuffer = SDL2.audio.silenceBuffer;
+        dynCall("vi", $2, [ $3 ]);
+        SDL2.audio.currentOutputBuffer = undefined;
+      };
+      SDL2.audio.silenceTimer = setInterval(silence_callback, ($1 / SDL2.audioContext.sampleRate) * 1e3);
+    }
+  },
+  162480: ($0, $1) => {
+    var SDL2 = Module["SDL2"];
+    var numChannels = SDL2.capture.currentCaptureBuffer.numberOfChannels;
+    for (var c = 0; c < numChannels; ++c) {
+      var channelData = SDL2.capture.currentCaptureBuffer.getChannelData(c);
+      if (channelData.length != $1) {
+        throw "Web Audio capture buffer length mismatch! Destination size: " + channelData.length + " samples vs expected " + $1 + " samples!";
+      }
+      if (numChannels == 1) {
+        for (var j = 0; j < $1; ++j) {
+          setValue($0 + (j * 4), channelData[j], "float");
+        }
+      } else {
+        for (var j = 0; j < $1; ++j) {
+          setValue($0 + (((j * numChannels) + c) * 4), channelData[j], "float");
+        }
+      }
+    }
+  },
+  163085: ($0, $1) => {
+    var SDL2 = Module["SDL2"];
+    var buf = $0 >>> 2;
+    var numChannels = SDL2.audio.currentOutputBuffer["numberOfChannels"];
+    for (var c = 0; c < numChannels; ++c) {
+      var channelData = SDL2.audio.currentOutputBuffer["getChannelData"](c);
+      if (channelData.length != $1) {
+        throw "Web Audio output buffer length mismatch! Destination size: " + channelData.length + " samples vs expected " + $1 + " samples!";
+      }
+      for (var j = 0; j < $1; ++j) {
+        channelData[j] = HEAPF32[buf + (j * numChannels + c) >>> 0];
+      }
+    }
+  },
+  163574: $0 => {
+    var SDL2 = Module["SDL2"];
+    if ($0) {
+      if (SDL2.capture.silenceTimer !== undefined) {
+        clearInterval(SDL2.capture.silenceTimer);
+      }
+      if (SDL2.capture.stream !== undefined) {
+        var tracks = SDL2.capture.stream.getAudioTracks();
+        for (var i = 0; i < tracks.length; i++) {
+          SDL2.capture.stream.removeTrack(tracks[i]);
+        }
+      }
+      if (SDL2.capture.scriptProcessorNode !== undefined) {
+        SDL2.capture.scriptProcessorNode.onaudioprocess = function(audioProcessingEvent) {};
+        SDL2.capture.scriptProcessorNode.disconnect();
+      }
+      if (SDL2.capture.mediaStreamNode !== undefined) {
+        SDL2.capture.mediaStreamNode.disconnect();
+      }
+      SDL2.capture = undefined;
+    } else {
+      if (SDL2.audio.scriptProcessorNode != undefined) {
+        SDL2.audio.scriptProcessorNode.disconnect();
+      }
+      if (SDL2.audio.silenceTimer !== undefined) {
+        clearInterval(SDL2.audio.silenceTimer);
+      }
+      SDL2.audio = undefined;
+    }
+    if ((SDL2.audioContext !== undefined) && (SDL2.audio === undefined) && (SDL2.capture === undefined)) {
+      SDL2.audioContext.close();
+      SDL2.audioContext = undefined;
+    }
+  },
+  164580: ($0, $1, $2) => {
+    var w = $0;
+    var h = $1;
+    var pixels = $2;
+    if (!Module["SDL2"]) Module["SDL2"] = {};
+    var SDL2 = Module["SDL2"];
+    if (SDL2.ctxCanvas !== Module["canvas"]) {
+      SDL2.ctx = Module["createContext"](Module["canvas"], false, true);
+      SDL2.ctxCanvas = Module["canvas"];
+    }
+    if (SDL2.w !== w || SDL2.h !== h || SDL2.imageCtx !== SDL2.ctx) {
+      SDL2.image = SDL2.ctx.createImageData(w, h);
+      SDL2.w = w;
+      SDL2.h = h;
+      SDL2.imageCtx = SDL2.ctx;
+    }
+    var data = SDL2.image.data;
+    var src = pixels / 4;
+    var dst = 0;
+    var num;
+    if (typeof CanvasPixelArray !== "undefined" && data instanceof CanvasPixelArray) {
+      num = data.length;
+      while (dst < num) {
+        var val = HEAP32[src >>> 0];
+        data[dst] = val & 255;
+        data[dst + 1] = (val >> 8) & 255;
+        data[dst + 2] = (val >> 16) & 255;
+        data[dst + 3] = 255;
+        src++;
+        dst += 4;
+      }
+    } else {
+      if (SDL2.data32Data !== data) {
+        SDL2.data32 = new Int32Array(data.buffer);
+        SDL2.data8 = new Uint8Array(data.buffer);
+        SDL2.data32Data = data;
+      }
+      var data32 = SDL2.data32;
+      num = data32.length;
+      data32.set(HEAP32.subarray(src >>> 0, src + num >>> 0));
+      var data8 = SDL2.data8;
+      var i = 3;
+      var j = i + 4 * num;
+      if (num % 8 == 0) {
+        while (i < j) {
+          data8[i] = 255;
+          i = i + 4 | 0;
+          data8[i] = 255;
+          i = i + 4 | 0;
+          data8[i] = 255;
+          i = i + 4 | 0;
+          data8[i] = 255;
+          i = i + 4 | 0;
+          data8[i] = 255;
+          i = i + 4 | 0;
+          data8[i] = 255;
+          i = i + 4 | 0;
+          data8[i] = 255;
+          i = i + 4 | 0;
+          data8[i] = 255;
+          i = i + 4 | 0;
+        }
+      } else {
+        while (i < j) {
+          data8[i] = 255;
+          i = i + 4 | 0;
+        }
+      }
+    }
+    SDL2.ctx.putImageData(SDL2.image, 0, 0);
+  },
+  166048: ($0, $1, $2, $3, $4) => {
+    var w = $0;
+    var h = $1;
+    var hot_x = $2;
+    var hot_y = $3;
+    var pixels = $4;
+    var canvas = document.createElement("canvas");
+    canvas.width = w;
+    canvas.height = h;
+    var ctx = canvas.getContext("2d");
+    var image = ctx.createImageData(w, h);
+    var data = image.data;
+    var src = pixels / 4;
+    var dst = 0;
+    var num;
+    if (typeof CanvasPixelArray !== "undefined" && data instanceof CanvasPixelArray) {
+      num = data.length;
+      while (dst < num) {
+        var val = HEAP32[src >>> 0];
+        data[dst] = val & 255;
+        data[dst + 1] = (val >> 8) & 255;
+        data[dst + 2] = (val >> 16) & 255;
+        data[dst + 3] = (val >> 24) & 255;
+        src++;
+        dst += 4;
+      }
+    } else {
+      var data32 = new Int32Array(data.buffer);
+      num = data32.length;
+      data32.set(HEAP32.subarray(src >>> 0, src + num >>> 0));
+    }
+    ctx.putImageData(image, 0, 0);
+    var url = hot_x === 0 && hot_y === 0 ? "url(" + canvas.toDataURL() + "), auto" : "url(" + canvas.toDataURL() + ") " + hot_x + " " + hot_y + ", auto";
+    var urlBuf = _malloc(url.length + 1);
+    stringToUTF8(url, urlBuf, url.length + 1);
+    return urlBuf;
+  },
+  167036: $0 => {
+    if (Module["canvas"]) {
+      Module["canvas"].style["cursor"] = UTF8ToString($0);
+    }
+  },
+  167119: () => {
+    if (Module["canvas"]) {
+      Module["canvas"].style["cursor"] = "none";
+    }
+  },
+  167188: () => window.innerWidth,
+  167218: () => window.innerHeight
+};
+
+function emscripten_getrandom(buf, buflen) {
+  try {
+    let buffer = HEAPU8.subarray(buf >>> 0, buf + buflen >>> 0);
+    self.crypto.getRandomValues(buffer);
+    return buflen;
+  } catch (e) {
+    return -1;
+  }
+}
+
+function js_log_callback(message) {
+  if (typeof window !== "undefined") {
+    window.dispatchEvent(new CustomEvent("lvgl-log", {
+      detail: UTF8ToString(message)
+    }));
+    console.log(UTF8ToString(message));
+  }
+  if (typeof process !== "undefined") {
+    console.log("[LVGL]" + UTF8ToString(message));
+  }
+  if (typeof self !== "undefined" && self.postMessage) {
+    self.postMessage({
+      type: "lvgl-log",
+      message: UTF8ToString(message)
+    });
+  }
+}
+
+function js_lvgl_assertion_failure_callback() {
+  console.warn("Preview has stopped due to an assertion failure in LVGL");
+  throw new Error("LVGL assertion failure - see previous logs for details");
+}
+
+function js_xml_is_rendered() {
+  if (typeof window !== "undefined") {
+    window.dispatchEvent(new CustomEvent("xml-is-rendered"));
+  }
+}
+
+function js_dispatch_subject_event_int(name, value) {
+  if (typeof self !== "undefined" && self.postMessage) {
+    self.postMessage({
+      type: "subject-update",
+      subject: {
+        name: UTF8ToString(name),
+        type: "int",
+        value
+      }
+    });
+  }
+}
+
+function js_dispatch_subject_event_string(name, value) {
+  if (typeof self !== "undefined" && self.postMessage) {
+    self.postMessage({
+      type: "subject-update",
+      subject: {
+        name: UTF8ToString(name),
+        type: "string",
+        value: UTF8ToString(value)
+      }
+    });
+  }
+}
+
+function js_dispatch_subject_event_float(name, value) {
+  if (typeof self !== "undefined" && self.postMessage) {
+    self.postMessage({
+      type: "subject-update",
+      subject: {
+        name: UTF8ToString(name),
+        type: "float",
+        value
+      }
+    });
+  }
+}
+
+var wasmImports = {
+  /** @export */ __assert_fail: ___assert_fail,
+  /** @export */ __syscall_fcntl64: ___syscall_fcntl64,
+  /** @export */ __syscall_fstat64: ___syscall_fstat64,
+  /** @export */ __syscall_getdents64: ___syscall_getdents64,
+  /** @export */ __syscall_ioctl: ___syscall_ioctl,
+  /** @export */ __syscall_lstat64: ___syscall_lstat64,
+  /** @export */ __syscall_mkdirat: ___syscall_mkdirat,
+  /** @export */ __syscall_newfstatat: ___syscall_newfstatat,
+  /** @export */ __syscall_openat: ___syscall_openat,
+  /** @export */ __syscall_stat64: ___syscall_stat64,
+  /** @export */ clock_time_get: _clock_time_get,
+  /** @export */ eglBindAPI: _eglBindAPI,
+  /** @export */ eglChooseConfig: _eglChooseConfig,
+  /** @export */ eglCreateContext: _eglCreateContext,
+  /** @export */ eglCreateWindowSurface: _eglCreateWindowSurface,
+  /** @export */ eglDestroyContext: _eglDestroyContext,
+  /** @export */ eglDestroySurface: _eglDestroySurface,
+  /** @export */ eglGetConfigAttrib: _eglGetConfigAttrib,
+  /** @export */ eglGetDisplay: _eglGetDisplay,
+  /** @export */ eglGetError: _eglGetError,
+  /** @export */ eglInitialize: _eglInitialize,
+  /** @export */ eglMakeCurrent: _eglMakeCurrent,
+  /** @export */ eglQueryString: _eglQueryString,
+  /** @export */ eglSwapBuffers: _eglSwapBuffers,
+  /** @export */ eglSwapInterval: _eglSwapInterval,
+  /** @export */ eglTerminate: _eglTerminate,
+  /** @export */ eglWaitGL: _eglWaitGL,
+  /** @export */ eglWaitNative: _eglWaitNative,
+  /** @export */ emscripten_asm_const_int: _emscripten_asm_const_int,
+  /** @export */ emscripten_asm_const_int_sync_on_main_thread: _emscripten_asm_const_int_sync_on_main_thread,
+  /** @export */ emscripten_asm_const_ptr_sync_on_main_thread: _emscripten_asm_const_ptr_sync_on_main_thread,
+  /** @export */ emscripten_cancel_main_loop: _emscripten_cancel_main_loop,
+  /** @export */ emscripten_date_now: _emscripten_date_now,
+  /** @export */ emscripten_exit_fullscreen: _emscripten_exit_fullscreen,
+  /** @export */ emscripten_exit_pointerlock: _emscripten_exit_pointerlock,
+  /** @export */ emscripten_force_exit: _emscripten_force_exit,
+  /** @export */ emscripten_get_canvas_element_size: _emscripten_get_canvas_element_size,
+  /** @export */ emscripten_get_device_pixel_ratio: _emscripten_get_device_pixel_ratio,
+  /** @export */ emscripten_get_element_css_size: _emscripten_get_element_css_size,
+  /** @export */ emscripten_get_gamepad_status: _emscripten_get_gamepad_status,
+  /** @export */ emscripten_get_heap_max: _emscripten_get_heap_max,
+  /** @export */ emscripten_get_now: _emscripten_get_now,
+  /** @export */ emscripten_get_num_gamepads: _emscripten_get_num_gamepads,
+  /** @export */ emscripten_get_screen_size: _emscripten_get_screen_size,
+  /** @export */ emscripten_glActiveTexture: _emscripten_glActiveTexture,
+  /** @export */ emscripten_glAttachShader: _emscripten_glAttachShader,
+  /** @export */ emscripten_glBeginQueryEXT: _emscripten_glBeginQueryEXT,
+  /** @export */ emscripten_glBindAttribLocation: _emscripten_glBindAttribLocation,
+  /** @export */ emscripten_glBindBuffer: _emscripten_glBindBuffer,
+  /** @export */ emscripten_glBindFramebuffer: _emscripten_glBindFramebuffer,
+  /** @export */ emscripten_glBindRenderbuffer: _emscripten_glBindRenderbuffer,
+  /** @export */ emscripten_glBindTexture: _emscripten_glBindTexture,
+  /** @export */ emscripten_glBindVertexArrayOES: _emscripten_glBindVertexArrayOES,
+  /** @export */ emscripten_glBlendColor: _emscripten_glBlendColor,
+  /** @export */ emscripten_glBlendEquation: _emscripten_glBlendEquation,
+  /** @export */ emscripten_glBlendEquationSeparate: _emscripten_glBlendEquationSeparate,
+  /** @export */ emscripten_glBlendFunc: _emscripten_glBlendFunc,
+  /** @export */ emscripten_glBlendFuncSeparate: _emscripten_glBlendFuncSeparate,
+  /** @export */ emscripten_glBufferData: _emscripten_glBufferData,
+  /** @export */ emscripten_glBufferSubData: _emscripten_glBufferSubData,
+  /** @export */ emscripten_glCheckFramebufferStatus: _emscripten_glCheckFramebufferStatus,
+  /** @export */ emscripten_glClear: _emscripten_glClear,
+  /** @export */ emscripten_glClearColor: _emscripten_glClearColor,
+  /** @export */ emscripten_glClearDepthf: _emscripten_glClearDepthf,
+  /** @export */ emscripten_glClearStencil: _emscripten_glClearStencil,
+  /** @export */ emscripten_glClipControlEXT: _emscripten_glClipControlEXT,
+  /** @export */ emscripten_glColorMask: _emscripten_glColorMask,
+  /** @export */ emscripten_glCompileShader: _emscripten_glCompileShader,
+  /** @export */ emscripten_glCompressedTexImage2D: _emscripten_glCompressedTexImage2D,
+  /** @export */ emscripten_glCompressedTexSubImage2D: _emscripten_glCompressedTexSubImage2D,
+  /** @export */ emscripten_glCopyTexImage2D: _emscripten_glCopyTexImage2D,
+  /** @export */ emscripten_glCopyTexSubImage2D: _emscripten_glCopyTexSubImage2D,
+  /** @export */ emscripten_glCreateProgram: _emscripten_glCreateProgram,
+  /** @export */ emscripten_glCreateShader: _emscripten_glCreateShader,
+  /** @export */ emscripten_glCullFace: _emscripten_glCullFace,
+  /** @export */ emscripten_glDeleteBuffers: _emscripten_glDeleteBuffers,
+  /** @export */ emscripten_glDeleteFramebuffers: _emscripten_glDeleteFramebuffers,
+  /** @export */ emscripten_glDeleteProgram: _emscripten_glDeleteProgram,
+  /** @export */ emscripten_glDeleteQueriesEXT: _emscripten_glDeleteQueriesEXT,
+  /** @export */ emscripten_glDeleteRenderbuffers: _emscripten_glDeleteRenderbuffers,
+  /** @export */ emscripten_glDeleteShader: _emscripten_glDeleteShader,
+  /** @export */ emscripten_glDeleteTextures: _emscripten_glDeleteTextures,
+  /** @export */ emscripten_glDeleteVertexArraysOES: _emscripten_glDeleteVertexArraysOES,
+  /** @export */ emscripten_glDepthFunc: _emscripten_glDepthFunc,
+  /** @export */ emscripten_glDepthMask: _emscripten_glDepthMask,
+  /** @export */ emscripten_glDepthRangef: _emscripten_glDepthRangef,
+  /** @export */ emscripten_glDetachShader: _emscripten_glDetachShader,
+  /** @export */ emscripten_glDisable: _emscripten_glDisable,
+  /** @export */ emscripten_glDisableVertexAttribArray: _emscripten_glDisableVertexAttribArray,
+  /** @export */ emscripten_glDrawArrays: _emscripten_glDrawArrays,
+  /** @export */ emscripten_glDrawArraysInstancedANGLE: _emscripten_glDrawArraysInstancedANGLE,
+  /** @export */ emscripten_glDrawBuffersWEBGL: _emscripten_glDrawBuffersWEBGL,
+  /** @export */ emscripten_glDrawElements: _emscripten_glDrawElements,
+  /** @export */ emscripten_glDrawElementsInstancedANGLE: _emscripten_glDrawElementsInstancedANGLE,
+  /** @export */ emscripten_glEnable: _emscripten_glEnable,
+  /** @export */ emscripten_glEnableVertexAttribArray: _emscripten_glEnableVertexAttribArray,
+  /** @export */ emscripten_glEndQueryEXT: _emscripten_glEndQueryEXT,
+  /** @export */ emscripten_glFinish: _emscripten_glFinish,
+  /** @export */ emscripten_glFlush: _emscripten_glFlush,
+  /** @export */ emscripten_glFramebufferRenderbuffer: _emscripten_glFramebufferRenderbuffer,
+  /** @export */ emscripten_glFramebufferTexture2D: _emscripten_glFramebufferTexture2D,
+  /** @export */ emscripten_glFrontFace: _emscripten_glFrontFace,
+  /** @export */ emscripten_glGenBuffers: _emscripten_glGenBuffers,
+  /** @export */ emscripten_glGenFramebuffers: _emscripten_glGenFramebuffers,
+  /** @export */ emscripten_glGenQueriesEXT: _emscripten_glGenQueriesEXT,
+  /** @export */ emscripten_glGenRenderbuffers: _emscripten_glGenRenderbuffers,
+  /** @export */ emscripten_glGenTextures: _emscripten_glGenTextures,
+  /** @export */ emscripten_glGenVertexArraysOES: _emscripten_glGenVertexArraysOES,
+  /** @export */ emscripten_glGenerateMipmap: _emscripten_glGenerateMipmap,
+  /** @export */ emscripten_glGetActiveAttrib: _emscripten_glGetActiveAttrib,
+  /** @export */ emscripten_glGetActiveUniform: _emscripten_glGetActiveUniform,
+  /** @export */ emscripten_glGetAttachedShaders: _emscripten_glGetAttachedShaders,
+  /** @export */ emscripten_glGetAttribLocation: _emscripten_glGetAttribLocation,
+  /** @export */ emscripten_glGetBooleanv: _emscripten_glGetBooleanv,
+  /** @export */ emscripten_glGetBufferParameteriv: _emscripten_glGetBufferParameteriv,
+  /** @export */ emscripten_glGetError: _emscripten_glGetError,
+  /** @export */ emscripten_glGetFloatv: _emscripten_glGetFloatv,
+  /** @export */ emscripten_glGetFramebufferAttachmentParameteriv: _emscripten_glGetFramebufferAttachmentParameteriv,
+  /** @export */ emscripten_glGetIntegerv: _emscripten_glGetIntegerv,
+  /** @export */ emscripten_glGetProgramInfoLog: _emscripten_glGetProgramInfoLog,
+  /** @export */ emscripten_glGetProgramiv: _emscripten_glGetProgramiv,
+  /** @export */ emscripten_glGetQueryObjecti64vEXT: _emscripten_glGetQueryObjecti64vEXT,
+  /** @export */ emscripten_glGetQueryObjectivEXT: _emscripten_glGetQueryObjectivEXT,
+  /** @export */ emscripten_glGetQueryObjectui64vEXT: _emscripten_glGetQueryObjectui64vEXT,
+  /** @export */ emscripten_glGetQueryObjectuivEXT: _emscripten_glGetQueryObjectuivEXT,
+  /** @export */ emscripten_glGetQueryivEXT: _emscripten_glGetQueryivEXT,
+  /** @export */ emscripten_glGetRenderbufferParameteriv: _emscripten_glGetRenderbufferParameteriv,
+  /** @export */ emscripten_glGetShaderInfoLog: _emscripten_glGetShaderInfoLog,
+  /** @export */ emscripten_glGetShaderPrecisionFormat: _emscripten_glGetShaderPrecisionFormat,
+  /** @export */ emscripten_glGetShaderSource: _emscripten_glGetShaderSource,
+  /** @export */ emscripten_glGetShaderiv: _emscripten_glGetShaderiv,
+  /** @export */ emscripten_glGetString: _emscripten_glGetString,
+  /** @export */ emscripten_glGetTexParameterfv: _emscripten_glGetTexParameterfv,
+  /** @export */ emscripten_glGetTexParameteriv: _emscripten_glGetTexParameteriv,
+  /** @export */ emscripten_glGetUniformLocation: _emscripten_glGetUniformLocation,
+  /** @export */ emscripten_glGetUniformfv: _emscripten_glGetUniformfv,
+  /** @export */ emscripten_glGetUniformiv: _emscripten_glGetUniformiv,
+  /** @export */ emscripten_glGetVertexAttribPointerv: _emscripten_glGetVertexAttribPointerv,
+  /** @export */ emscripten_glGetVertexAttribfv: _emscripten_glGetVertexAttribfv,
+  /** @export */ emscripten_glGetVertexAttribiv: _emscripten_glGetVertexAttribiv,
+  /** @export */ emscripten_glHint: _emscripten_glHint,
+  /** @export */ emscripten_glIsBuffer: _emscripten_glIsBuffer,
+  /** @export */ emscripten_glIsEnabled: _emscripten_glIsEnabled,
+  /** @export */ emscripten_glIsFramebuffer: _emscripten_glIsFramebuffer,
+  /** @export */ emscripten_glIsProgram: _emscripten_glIsProgram,
+  /** @export */ emscripten_glIsQueryEXT: _emscripten_glIsQueryEXT,
+  /** @export */ emscripten_glIsRenderbuffer: _emscripten_glIsRenderbuffer,
+  /** @export */ emscripten_glIsShader: _emscripten_glIsShader,
+  /** @export */ emscripten_glIsTexture: _emscripten_glIsTexture,
+  /** @export */ emscripten_glIsVertexArrayOES: _emscripten_glIsVertexArrayOES,
+  /** @export */ emscripten_glLineWidth: _emscripten_glLineWidth,
+  /** @export */ emscripten_glLinkProgram: _emscripten_glLinkProgram,
+  /** @export */ emscripten_glPixelStorei: _emscripten_glPixelStorei,
+  /** @export */ emscripten_glPolygonModeWEBGL: _emscripten_glPolygonModeWEBGL,
+  /** @export */ emscripten_glPolygonOffset: _emscripten_glPolygonOffset,
+  /** @export */ emscripten_glPolygonOffsetClampEXT: _emscripten_glPolygonOffsetClampEXT,
+  /** @export */ emscripten_glQueryCounterEXT: _emscripten_glQueryCounterEXT,
+  /** @export */ emscripten_glReadPixels: _emscripten_glReadPixels,
+  /** @export */ emscripten_glReleaseShaderCompiler: _emscripten_glReleaseShaderCompiler,
+  /** @export */ emscripten_glRenderbufferStorage: _emscripten_glRenderbufferStorage,
+  /** @export */ emscripten_glSampleCoverage: _emscripten_glSampleCoverage,
+  /** @export */ emscripten_glScissor: _emscripten_glScissor,
+  /** @export */ emscripten_glShaderBinary: _emscripten_glShaderBinary,
+  /** @export */ emscripten_glShaderSource: _emscripten_glShaderSource,
+  /** @export */ emscripten_glStencilFunc: _emscripten_glStencilFunc,
+  /** @export */ emscripten_glStencilFuncSeparate: _emscripten_glStencilFuncSeparate,
+  /** @export */ emscripten_glStencilMask: _emscripten_glStencilMask,
+  /** @export */ emscripten_glStencilMaskSeparate: _emscripten_glStencilMaskSeparate,
+  /** @export */ emscripten_glStencilOp: _emscripten_glStencilOp,
+  /** @export */ emscripten_glStencilOpSeparate: _emscripten_glStencilOpSeparate,
+  /** @export */ emscripten_glTexImage2D: _emscripten_glTexImage2D,
+  /** @export */ emscripten_glTexParameterf: _emscripten_glTexParameterf,
+  /** @export */ emscripten_glTexParameterfv: _emscripten_glTexParameterfv,
+  /** @export */ emscripten_glTexParameteri: _emscripten_glTexParameteri,
+  /** @export */ emscripten_glTexParameteriv: _emscripten_glTexParameteriv,
+  /** @export */ emscripten_glTexSubImage2D: _emscripten_glTexSubImage2D,
+  /** @export */ emscripten_glUniform1f: _emscripten_glUniform1f,
+  /** @export */ emscripten_glUniform1fv: _emscripten_glUniform1fv,
+  /** @export */ emscripten_glUniform1i: _emscripten_glUniform1i,
+  /** @export */ emscripten_glUniform1iv: _emscripten_glUniform1iv,
+  /** @export */ emscripten_glUniform2f: _emscripten_glUniform2f,
+  /** @export */ emscripten_glUniform2fv: _emscripten_glUniform2fv,
+  /** @export */ emscripten_glUniform2i: _emscripten_glUniform2i,
+  /** @export */ emscripten_glUniform2iv: _emscripten_glUniform2iv,
+  /** @export */ emscripten_glUniform3f: _emscripten_glUniform3f,
+  /** @export */ emscripten_glUniform3fv: _emscripten_glUniform3fv,
+  /** @export */ emscripten_glUniform3i: _emscripten_glUniform3i,
+  /** @export */ emscripten_glUniform3iv: _emscripten_glUniform3iv,
+  /** @export */ emscripten_glUniform4f: _emscripten_glUniform4f,
+  /** @export */ emscripten_glUniform4fv: _emscripten_glUniform4fv,
+  /** @export */ emscripten_glUniform4i: _emscripten_glUniform4i,
+  /** @export */ emscripten_glUniform4iv: _emscripten_glUniform4iv,
+  /** @export */ emscripten_glUniformMatrix2fv: _emscripten_glUniformMatrix2fv,
+  /** @export */ emscripten_glUniformMatrix3fv: _emscripten_glUniformMatrix3fv,
+  /** @export */ emscripten_glUniformMatrix4fv: _emscripten_glUniformMatrix4fv,
+  /** @export */ emscripten_glUseProgram: _emscripten_glUseProgram,
+  /** @export */ emscripten_glValidateProgram: _emscripten_glValidateProgram,
+  /** @export */ emscripten_glVertexAttrib1f: _emscripten_glVertexAttrib1f,
+  /** @export */ emscripten_glVertexAttrib1fv: _emscripten_glVertexAttrib1fv,
+  /** @export */ emscripten_glVertexAttrib2f: _emscripten_glVertexAttrib2f,
+  /** @export */ emscripten_glVertexAttrib2fv: _emscripten_glVertexAttrib2fv,
+  /** @export */ emscripten_glVertexAttrib3f: _emscripten_glVertexAttrib3f,
+  /** @export */ emscripten_glVertexAttrib3fv: _emscripten_glVertexAttrib3fv,
+  /** @export */ emscripten_glVertexAttrib4f: _emscripten_glVertexAttrib4f,
+  /** @export */ emscripten_glVertexAttrib4fv: _emscripten_glVertexAttrib4fv,
+  /** @export */ emscripten_glVertexAttribDivisorANGLE: _emscripten_glVertexAttribDivisorANGLE,
+  /** @export */ emscripten_glVertexAttribPointer: _emscripten_glVertexAttribPointer,
+  /** @export */ emscripten_glViewport: _emscripten_glViewport,
+  /** @export */ emscripten_has_asyncify: _emscripten_has_asyncify,
+  /** @export */ emscripten_request_fullscreen_strategy: _emscripten_request_fullscreen_strategy,
+  /** @export */ emscripten_request_pointerlock: _emscripten_request_pointerlock,
+  /** @export */ emscripten_resize_heap: _emscripten_resize_heap,
+  /** @export */ emscripten_sample_gamepad_data: _emscripten_sample_gamepad_data,
+  /** @export */ emscripten_set_beforeunload_callback_on_thread: _emscripten_set_beforeunload_callback_on_thread,
+  /** @export */ emscripten_set_blur_callback_on_thread: _emscripten_set_blur_callback_on_thread,
+  /** @export */ emscripten_set_canvas_element_size: _emscripten_set_canvas_element_size,
+  /** @export */ emscripten_set_element_css_size: _emscripten_set_element_css_size,
+  /** @export */ emscripten_set_focus_callback_on_thread: _emscripten_set_focus_callback_on_thread,
+  /** @export */ emscripten_set_fullscreenchange_callback_on_thread: _emscripten_set_fullscreenchange_callback_on_thread,
+  /** @export */ emscripten_set_gamepadconnected_callback_on_thread: _emscripten_set_gamepadconnected_callback_on_thread,
+  /** @export */ emscripten_set_gamepaddisconnected_callback_on_thread: _emscripten_set_gamepaddisconnected_callback_on_thread,
+  /** @export */ emscripten_set_keydown_callback_on_thread: _emscripten_set_keydown_callback_on_thread,
+  /** @export */ emscripten_set_keypress_callback_on_thread: _emscripten_set_keypress_callback_on_thread,
+  /** @export */ emscripten_set_keyup_callback_on_thread: _emscripten_set_keyup_callback_on_thread,
+  /** @export */ emscripten_set_main_loop_arg: _emscripten_set_main_loop_arg,
+  /** @export */ emscripten_set_mousedown_callback_on_thread: _emscripten_set_mousedown_callback_on_thread,
+  /** @export */ emscripten_set_mouseenter_callback_on_thread: _emscripten_set_mouseenter_callback_on_thread,
+  /** @export */ emscripten_set_mouseleave_callback_on_thread: _emscripten_set_mouseleave_callback_on_thread,
+  /** @export */ emscripten_set_mousemove_callback_on_thread: _emscripten_set_mousemove_callback_on_thread,
+  /** @export */ emscripten_set_mouseup_callback_on_thread: _emscripten_set_mouseup_callback_on_thread,
+  /** @export */ emscripten_set_pointerlockchange_callback_on_thread: _emscripten_set_pointerlockchange_callback_on_thread,
+  /** @export */ emscripten_set_resize_callback_on_thread: _emscripten_set_resize_callback_on_thread,
+  /** @export */ emscripten_set_touchcancel_callback_on_thread: _emscripten_set_touchcancel_callback_on_thread,
+  /** @export */ emscripten_set_touchend_callback_on_thread: _emscripten_set_touchend_callback_on_thread,
+  /** @export */ emscripten_set_touchmove_callback_on_thread: _emscripten_set_touchmove_callback_on_thread,
+  /** @export */ emscripten_set_touchstart_callback_on_thread: _emscripten_set_touchstart_callback_on_thread,
+  /** @export */ emscripten_set_visibilitychange_callback_on_thread: _emscripten_set_visibilitychange_callback_on_thread,
+  /** @export */ emscripten_set_wheel_callback_on_thread: _emscripten_set_wheel_callback_on_thread,
+  /** @export */ emscripten_set_window_title: _emscripten_set_window_title,
+  /** @export */ emscripten_sleep: _emscripten_sleep,
+  /** @export */ environ_get: _environ_get,
+  /** @export */ environ_sizes_get: _environ_sizes_get,
+  /** @export */ exit: _exit,
+  /** @export */ fd_close: _fd_close,
+  /** @export */ fd_read: _fd_read,
+  /** @export */ fd_seek: _fd_seek,
+  /** @export */ fd_write: _fd_write,
+  /** @export */ js_dispatch_subject_event_float,
+  /** @export */ js_dispatch_subject_event_int,
+  /** @export */ js_dispatch_subject_event_string,
+  /** @export */ js_log_callback,
+  /** @export */ js_lvgl_assertion_failure_callback,
+  /** @export */ js_xml_is_rendered
+};
+
+var wasmExports = await createWasm();
+
+var ___wasm_call_ctors = wasmExports["__wasm_call_ctors"];
+
+var _lvrt_emscripten_get_heap_size = Module["_lvrt_emscripten_get_heap_size"] = wasmExports["lvrt_emscripten_get_heap_size"];
+
+var _lvrt_emscripten_get_heap_max = Module["_lvrt_emscripten_get_heap_max"] = wasmExports["lvrt_emscripten_get_heap_max"];
+
+var _lvrt_get_lvgl_version = Module["_lvrt_get_lvgl_version"] = wasmExports["lvrt_get_lvgl_version"];
+
+var _lvrt_initialize = Module["_lvrt_initialize"] = wasmExports["lvrt_initialize"];
+
+var _lvrt_initialize_headless = Module["_lvrt_initialize_headless"] = wasmExports["lvrt_initialize_headless"];
+
+var _malloc = Module["_malloc"] = wasmExports["malloc"];
+
+var _lvrt_process_data = Module["_lvrt_process_data"] = wasmExports["lvrt_process_data"];
+
+var _lvrt_xml_load_component_data = Module["_lvrt_xml_load_component_data"] = wasmExports["lvrt_xml_load_component_data"];
+
+var _lvrt_component_create = Module["_lvrt_component_create"] = wasmExports["lvrt_component_create"];
+
+var _lvrt_refresh = Module["_lvrt_refresh"] = wasmExports["lvrt_refresh"];
+
+var _lvrt_xml_load_translations = Module["_lvrt_xml_load_translations"] = wasmExports["lvrt_xml_load_translations"];
+
+var _lvrt_xml_load_translations_data = Module["_lvrt_xml_load_translations_data"] = wasmExports["lvrt_xml_load_translations_data"];
+
+var _lvrt_translation_set_language = Module["_lvrt_translation_set_language"] = wasmExports["lvrt_translation_set_language"];
+
+var _lvrt_get_view_type = Module["_lvrt_get_view_type"] = wasmExports["lvrt_get_view_type"];
+
+var _lvrt_get_obj_area = Module["_lvrt_get_obj_area"] = wasmExports["lvrt_get_obj_area"];
+
+var _lvrt_apply_style = Module["_lvrt_apply_style"] = wasmExports["lvrt_apply_style"];
+
+var _lvrt_set_subject = Module["_lvrt_set_subject"] = wasmExports["lvrt_set_subject"];
+
+var _lvrt_set_subject_int = Module["_lvrt_set_subject_int"] = wasmExports["lvrt_set_subject_int"];
+
+var _lvrt_set_subject_string = Module["_lvrt_set_subject_string"] = wasmExports["lvrt_set_subject_string"];
+
+var _lvrt_set_subject_float = Module["_lvrt_set_subject_float"] = wasmExports["lvrt_set_subject_float"];
+
+var _lvrt_subscribe_subject = Module["_lvrt_subscribe_subject"] = wasmExports["lvrt_subscribe_subject"];
+
+var _lvrt_resize_canvas = Module["_lvrt_resize_canvas"] = wasmExports["lvrt_resize_canvas"];
+
+var _lvrt_cleanup_runtime = Module["_lvrt_cleanup_runtime"] = wasmExports["lvrt_cleanup_runtime"];
+
+var _lvrt_play_timeline = Module["_lvrt_play_timeline"] = wasmExports["lvrt_play_timeline"];
+
+var _lvrt_xml_test_register_from_data = Module["_lvrt_xml_test_register_from_data"] = wasmExports["lvrt_xml_test_register_from_data"];
+
+var _lvrt_xml_test_run_init = Module["_lvrt_xml_test_run_init"] = wasmExports["lvrt_xml_test_run_init"];
+
+var _lvrt_xml_test_run_next = Module["_lvrt_xml_test_run_next"] = wasmExports["lvrt_xml_test_run_next"];
+
+var _lvrt_xml_test_run_stop = Module["_lvrt_xml_test_run_stop"] = wasmExports["lvrt_xml_test_run_stop"];
+
+var _lvrt_health_check = Module["_lvrt_health_check"] = wasmExports["lvrt_health_check"];
+
+var _ui_new_widget_init = Module["_ui_new_widget_init"] = wasmExports["ui_new_widget_init"];
+
+var _free = Module["_free"] = wasmExports["free"];
+
+var _fflush = wasmExports["fflush"];
+
+var ___funcs_on_exit = wasmExports["__funcs_on_exit"];
+
+var __emscripten_stack_restore = wasmExports["_emscripten_stack_restore"];
+
+var __emscripten_stack_alloc = wasmExports["_emscripten_stack_alloc"];
+
+var _emscripten_stack_get_current = wasmExports["emscripten_stack_get_current"];
+
+// Argument name here must shadow the `wasmExports` global so
+// that it is recognised by metadce and minify-import-export-names
+// passes.
+function applySignatureConversions(wasmExports) {
+  // First, make a copy of the incoming exports object
+  wasmExports = Object.assign({}, wasmExports);
+  var makeWrapper_pp = f => a0 => f(a0) >>> 0;
+  var makeWrapper_p = f => () => f() >>> 0;
+  wasmExports["malloc"] = makeWrapper_pp(wasmExports["malloc"]);
+  wasmExports["_emscripten_stack_alloc"] = makeWrapper_pp(wasmExports["_emscripten_stack_alloc"]);
+  wasmExports["emscripten_stack_get_current"] = makeWrapper_p(wasmExports["emscripten_stack_get_current"]);
+  return wasmExports;
+}
+
+// include: postamble.js
+// === Auto-generated postamble setup entry stuff ===
+Module["addRunDependency"] = addRunDependency;
+
+Module["removeRunDependency"] = removeRunDependency;
+
+Module["ccall"] = ccall;
+
+Module["cwrap"] = cwrap;
+
+Module["addFunction"] = addFunction;
+
+Module["setValue"] = setValue;
+
+Module["getValue"] = getValue;
+
+Module["FS_createPreloadedFile"] = FS_createPreloadedFile;
+
+Module["FS_unlink"] = FS_unlink;
+
+Module["FS_createPath"] = FS_createPath;
+
+Module["FS_createDevice"] = FS_createDevice;
+
+Module["FS"] = FS;
+
+Module["FS_createDataFile"] = FS_createDataFile;
+
+Module["FS_createLazyFile"] = FS_createLazyFile;
+
+function run() {
+  if (runDependencies > 0) {
+    dependenciesFulfilled = run;
+    return;
+  }
+  preRun();
+  // a preRun added a dependency, run will be called later
+  if (runDependencies > 0) {
+    dependenciesFulfilled = run;
+    return;
+  }
+  function doRun() {
+    // run may have just been called through dependencies being fulfilled just in this very frame,
+    // or while the async setStatus time below was happening
+    Module["calledRun"] = true;
+    if (ABORT) return;
+    initRuntime();
+    readyPromiseResolve(Module);
+    Module["onRuntimeInitialized"]?.();
+    postRun();
+  }
+  if (Module["setStatus"]) {
+    Module["setStatus"]("Running...");
+    setTimeout(() => {
+      setTimeout(() => Module["setStatus"](""), 1);
+      doRun();
+    }, 1);
+  } else {
+    doRun();
+  }
+}
+
+if (Module["preInit"]) {
+  if (typeof Module["preInit"] == "function") Module["preInit"] = [ Module["preInit"] ];
+  while (Module["preInit"].length > 0) {
+    Module["preInit"].pop()();
+  }
+}
+
+run();
+
+// end include: postamble.js
+// include: postamble_modularize.js
+// In MODULARIZE mode we wrap the generated code in a factory function
+// and return either the Module itself, or a promise of the module.
+// We assign to the `moduleRtn` global here and configure closure to see
+// this as and extern so it won't get minified.
+moduleRtn = readyPromise;
+
+
+  return moduleRtn;
+}
+);
+})();
+if (typeof exports === 'object' && typeof module === 'object') {
+  module.exports = createModule;
+  // This default export looks redundant, but it allows TS to import this
+  // commonjs style module.
+  module.exports.default = createModule;
+} else if (typeof define === 'function' && define['amd'])
+  define([], () => createModule);
diff --git a/tutorials/9_new_widget/preview-bin/lved-runtime.wasm b/tutorials/9_new_widget/preview-bin/lved-runtime.wasm
new file mode 100755
index 0000000..02edfc8
Binary files /dev/null and b/tutorials/9_new_widget/preview-bin/lved-runtime.wasm differ
diff --git a/tutorials/9_new_widget/project.xml b/tutorials/9_new_widget/project.xml
new file mode 100644
index 0000000..1dacbf6
--- /dev/null
+++ b/tutorials/9_new_widget/project.xml
@@ -0,0 +1,7 @@
+<project name="ui_new_widget">
+	<targets>
+		<target name="target1">
+			<display width="320" height="240" />
+		</target>
+	</targets>
+</project>
diff --git a/tutorials/9_new_widget/screens/README.md b/tutorials/9_new_widget/screens/README.md
new file mode 100644
index 0000000..b49cf42
--- /dev/null
+++ b/tutorials/9_new_widget/screens/README.md
@@ -0,0 +1 @@
+Create XML files here that start with a `<screen>` tag
diff --git a/tutorials/9_new_widget/screens/screen_widgets/screen_widgets.xml b/tutorials/9_new_widget/screens/screen_widgets/screen_widgets.xml
new file mode 100644
index 0000000..ad0d71c
--- /dev/null
+++ b/tutorials/9_new_widget/screens/screen_widgets/screen_widgets.xml
@@ -0,0 +1,11 @@
+<screen>
+	<view extends="lv_obj">
+		<!-- Add your code here -->
+
+		<wd_segment width="300" bind_value="subject_segment" style_pad_column="1">
+			<wd_segment-button text="Option 1" />
+			<wd_segment-button text="Option 2" />
+			<wd_segment-button text="Option 3" />
+		</wd_segment>
+	</view>
+</screen>
diff --git a/tutorials/9_new_widget/screens/screen_widgets/screen_widgets_gen.c b/tutorials/9_new_widget/screens/screen_widgets/screen_widgets_gen.c
new file mode 100644
index 0000000..f7d34a1
--- /dev/null
+++ b/tutorials/9_new_widget/screens/screen_widgets/screen_widgets_gen.c
@@ -0,0 +1,64 @@
+/**
+ * @file screen_widgets_gen.c
+ * @brief Template source file for LVGL objects
+ */
+
+/*********************
+ *      INCLUDES
+ *********************/
+
+#include "screen_widgets_gen.h"
+#include "../../ui_new_widget.h"
+
+/*********************
+ *      DEFINES
+ *********************/
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+/***********************
+ *  STATIC VARIABLES
+ **********************/
+
+/***********************
+ *  STATIC PROTOTYPES
+ **********************/
+
+/**********************
+ *   GLOBAL FUNCTIONS
+ **********************/
+
+lv_obj_t * screen_widgets_create(void)
+{
+    LV_TRACE_OBJ_CREATE("begin");
+
+
+    static bool style_inited = false;
+
+    if (!style_inited) {
+
+        style_inited = true;
+    }
+
+    lv_obj_t * lv_obj_0 = lv_obj_create(NULL);
+    lv_obj_set_name_static(lv_obj_0, "screen_widgets_#");
+
+    lv_obj_t * wd_segment_0 = wd_segment_create(lv_obj_0);
+    lv_obj_set_width(wd_segment_0, 300);
+    wd_segment_bind_value(wd_segment_0, &subject_segment);
+    lv_obj_set_style_pad_column(wd_segment_0, 1, 0);
+    lv_obj_t * wd_segment_button_0 = wd_segment_add_button(wd_segment_0, "Option 1");
+    lv_obj_t * wd_segment_button_1 = wd_segment_add_button(wd_segment_0, "Option 2");
+    lv_obj_t * wd_segment_button_2 = wd_segment_add_button(wd_segment_0, "Option 3");
+
+    LV_TRACE_OBJ_CREATE("finished");
+
+    return lv_obj_0;
+}
+
+/**********************
+ *   STATIC FUNCTIONS
+ **********************/
+
diff --git a/tutorials/9_new_widget/screens/screen_widgets/screen_widgets_gen.h b/tutorials/9_new_widget/screens/screen_widgets/screen_widgets_gen.h
new file mode 100644
index 0000000..bd53b9f
--- /dev/null
+++ b/tutorials/9_new_widget/screens/screen_widgets/screen_widgets_gen.h
@@ -0,0 +1,48 @@
+/**
+ * @file screen_widgets_gen.h
+ */
+
+#ifndef SCREEN_WIDGETS_H
+#define SCREEN_WIDGETS_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*********************
+ *      INCLUDES
+ *********************/
+
+#ifdef LV_LVGL_H_INCLUDE_SIMPLE
+    #include "lvgl.h"
+    #include "src/core/lv_obj_class_private.h"
+#else
+    #include "lvgl/lvgl.h"
+    #include "lvgl/src/core/lv_obj_class_private.h"
+#endif
+
+/*********************
+ *      DEFINES
+ *********************/
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+/**********************
+ * GLOBAL PROTOTYPES
+ **********************/
+
+
+
+lv_obj_t * screen_widgets_create(void);
+
+/**********************
+ *      MACROS
+ **********************/
+
+#ifdef __cplusplus
+} /*extern "C"*/
+#endif
+
+#endif /*SCREEN_WIDGETS_H*/
\ No newline at end of file
diff --git a/tutorials/9_new_widget/ui_new_widget.c b/tutorials/9_new_widget/ui_new_widget.c
new file mode 100644
index 0000000..5b0636f
--- /dev/null
+++ b/tutorials/9_new_widget/ui_new_widget.c
@@ -0,0 +1,44 @@
+/**
+ * @file ui_new_widget.c
+ */
+
+/*********************
+ *      INCLUDES
+ *********************/
+
+#include "ui_new_widget.h"
+
+/*********************
+ *      DEFINES
+ *********************/
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+/**********************
+ *  STATIC PROTOTYPES
+ **********************/
+
+/**********************
+ *  STATIC VARIABLES
+ **********************/
+
+/**********************
+ *      MACROS
+ **********************/
+
+/**********************
+ *   GLOBAL FUNCTIONS
+ **********************/
+
+void ui_new_widget_init(const char * asset_path)
+{
+    ui_new_widget_init_gen(asset_path);
+
+    /* Add your own custom code here if needed */
+}
+
+/**********************
+ *   STATIC FUNCTIONS
+ **********************/
\ No newline at end of file
diff --git a/tutorials/9_new_widget/ui_new_widget.h b/tutorials/9_new_widget/ui_new_widget.h
new file mode 100644
index 0000000..8552641
--- /dev/null
+++ b/tutorials/9_new_widget/ui_new_widget.h
@@ -0,0 +1,47 @@
+/**
+ * @file ui_new_widget.h
+ */
+
+#ifndef UI_NEW_WIDGET_H
+#define UI_NEW_WIDGET_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*********************
+ *      INCLUDES
+ *********************/
+
+#include "ui_new_widget_gen.h"
+
+/*********************
+ *      DEFINES
+ *********************/
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+/**********************
+ * GLOBAL VARIABLES
+ **********************/
+
+/**********************
+ * GLOBAL PROTOTYPES
+ **********************/
+
+/**
+ * Initialize the component library
+ */
+void ui_new_widget_init(const char * asset_path);
+
+/**********************
+ *      MACROS
+ **********************/
+
+#ifdef __cplusplus
+} /*extern "C"*/
+#endif
+
+#endif /*UI_NEW_WIDGET_H*/
\ No newline at end of file
diff --git a/tutorials/9_new_widget/ui_new_widget_gen.c b/tutorials/9_new_widget/ui_new_widget_gen.c
new file mode 100644
index 0000000..fe7f58c
--- /dev/null
+++ b/tutorials/9_new_widget/ui_new_widget_gen.c
@@ -0,0 +1,126 @@
+/**
+ * @file ui_new_widget_gen.c
+ */
+
+/*********************
+ *      INCLUDES
+ *********************/
+
+#include "ui_new_widget_gen.h"
+
+#if LV_USE_XML
+#include "widgets/wd_segment/wd_segment_private_gen.h"
+#endif /* LV_USE_XML */
+
+/*********************
+ *      DEFINES
+ *********************/
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+/**********************
+ *  STATIC PROTOTYPES
+ **********************/
+
+/**********************
+ *  STATIC VARIABLES
+ **********************/
+
+/*----------------
+ * Translations
+ *----------------*/
+
+/**********************
+ *  GLOBAL VARIABLES
+ **********************/
+
+/*--------------------
+ *  Permanent screens
+ *-------------------*/
+
+/*----------------
+ * Fonts
+ *----------------*/
+
+/*----------------
+ * Images
+ *----------------*/
+
+/*----------------
+ * Global styles
+ *----------------*/
+
+/*----------------
+ * Subjects
+ *----------------*/
+
+lv_subject_t subject_segment;
+
+/**********************
+ *      MACROS
+ **********************/
+
+/**********************
+ *   GLOBAL FUNCTIONS
+ **********************/
+
+void ui_new_widget_init_gen(const char * asset_path)
+{
+    char buf[256];
+
+
+    /*----------------
+     * Fonts
+     *----------------*/
+
+
+    /*----------------
+     * Images
+     *----------------*/
+    /*----------------
+     * Global styles
+     *----------------*/
+
+    /*----------------
+     * Subjects
+     *----------------*/
+    lv_subject_init_int(&subject_segment, 0);
+
+    /*----------------
+     * Translations
+     *----------------*/
+
+#if LV_USE_XML
+    /* Register widgets */
+    wd_segment_register();
+
+    /* Register fonts */
+
+    /* Register subjects */
+    lv_xml_register_subject(NULL, "subject_segment", &subject_segment);
+
+    /* Register callbacks */
+#endif
+
+    /* Register all the global assets so that they won't be created again when globals.xml is parsed.
+     * While running in the editor skip this step to update the preview when the XML changes */
+#if LV_USE_XML && !defined(LV_EDITOR_PREVIEW)
+    /* Register images */
+#endif
+
+#if LV_USE_XML == 0
+    /*--------------------
+     *  Permanent screens
+     *-------------------*/
+    /* If XML is enabled it's assumed that the permanent screens are created
+     * manaully from XML using lv_xml_create() */
+#endif
+}
+
+/* Callbacks */
+
+/**********************
+ *   STATIC FUNCTIONS
+ **********************/
\ No newline at end of file
diff --git a/tutorials/9_new_widget/ui_new_widget_gen.h b/tutorials/9_new_widget/ui_new_widget_gen.h
new file mode 100644
index 0000000..b4c5311
--- /dev/null
+++ b/tutorials/9_new_widget/ui_new_widget_gen.h
@@ -0,0 +1,95 @@
+/**
+ * @file ui_new_widget_gen.h
+ */
+
+#ifndef UI_NEW_WIDGET_GEN_H
+#define UI_NEW_WIDGET_GEN_H
+
+#ifndef UI_SUBJECT_STRING_LENGTH
+#define UI_SUBJECT_STRING_LENGTH 256
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*********************
+ *      INCLUDES
+ *********************/
+
+#ifdef LV_LVGL_H_INCLUDE_SIMPLE
+    #include "lvgl.h"
+    #include "src/core/lv_obj_class_private.h"
+#else
+    #include "lvgl/lvgl.h"
+    #include "lvgl/src/core/lv_obj_class_private.h"
+#endif
+
+
+
+/*********************
+ *      DEFINES
+ *********************/
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+/**********************
+ * GLOBAL VARIABLES
+ **********************/
+
+/*-------------------
+ * Permanent screens
+ *------------------*/
+
+/*----------------
+ * Global styles
+ *----------------*/
+
+/*----------------
+ * Fonts
+ *----------------*/
+
+/*----------------
+ * Images
+ *----------------*/
+
+/*----------------
+ * Subjects
+ *----------------*/
+
+extern lv_subject_t subject_segment;
+
+/**********************
+ * GLOBAL PROTOTYPES
+ **********************/
+
+/*----------------
+ * Event Callbacks
+ *----------------*/
+
+/**
+ * Initialize the component library
+ */
+
+void ui_new_widget_init_gen(const char * asset_path);
+
+/**********************
+ *      MACROS
+ **********************/
+
+/**********************
+ *   POST INCLUDES
+ **********************/
+
+/*Include all the widgets, components and screens of this library*/
+#include "components/segment_item/segment_item_gen.h"
+#include "screens/screen_widgets/screen_widgets_gen.h"
+#include "widgets/wd_segment/wd_segment_gen.h"
+
+#ifdef __cplusplus
+} /*extern "C"*/
+#endif
+
+#endif /*UI_NEW_WIDGET_GEN_H*/
\ No newline at end of file
diff --git a/tutorials/9_new_widget/widgets/README.md b/tutorials/9_new_widget/widgets/README.md
new file mode 100644
index 0000000..bff1fef
--- /dev/null
+++ b/tutorials/9_new_widget/widgets/README.md
@@ -0,0 +1 @@
+Create folders here for each widget and place an XML in each with a `<widget>` tag
diff --git a/tutorials/9_new_widget/widgets/wd_segment/wd_segment.c b/tutorials/9_new_widget/widgets/wd_segment/wd_segment.c
new file mode 100644
index 0000000..2e8f619
--- /dev/null
+++ b/tutorials/9_new_widget/widgets/wd_segment/wd_segment.c
@@ -0,0 +1,136 @@
+/**
+ * @file wd_segment.c
+ *
+ */
+
+/*********************
+ *      INCLUDES
+ *********************/
+
+#include "wd_segment_private_gen.h"
+#include "../../ui_new_widget.h"
+
+/*********************
+ *      DEFINES
+ *********************/
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+/**********************
+ *  STATIC PROTOTYPES
+ **********************/
+static void set_selected_item(wd_segment_t * widget, int32_t index);
+static void segment_selected_cb(lv_event_t *e);
+static void value_observer_cb(lv_observer_t * observer, lv_subject_t * subject);
+
+/**********************
+ *  STATIC VARIABLES
+ **********************/
+
+/**********************
+ *      MACROS
+ **********************/
+
+/**********************
+ *   GLOBAL FUNCTIONS
+ **********************/
+
+void wd_segment_constructor_hook(lv_obj_t * obj)
+{
+    wd_segment_t * widget = (wd_segment_t *)obj;
+    widget->selected = -1; // default selected item
+}
+
+void wd_segment_destructor_hook(lv_obj_t * obj)
+{
+
+}
+
+void wd_segment_event_hook(lv_event_t * e)
+{
+
+}
+
+void wd_segment_set_selected(lv_obj_t * wd_segment, int32_t selected)
+{
+    wd_segment_t * widget = (wd_segment_t *)wd_segment;
+    widget->selected = selected;
+    set_selected_item(widget, widget->selected);
+
+}
+
+void wd_segment_bind_value(lv_obj_t * wd_segment, lv_subject_t * bind_value)
+{
+    wd_segment_t * widget = (wd_segment_t *)wd_segment;
+    widget->bind_value = bind_value;
+    lv_subject_add_observer_obj(widget->bind_value, value_observer_cb, wd_segment, widget);
+
+}
+
+lv_obj_t * wd_segment_add_button(lv_obj_t * wd_segment, const char * text)
+{
+    wd_segment_t * widget = (wd_segment_t *)wd_segment;
+    lv_obj_t * segment_item = segment_item_create(wd_segment, text);
+    lv_obj_set_flex_grow(segment_item, 1);
+    lv_obj_add_event_cb(segment_item, segment_selected_cb, LV_EVENT_CLICKED, widget);
+    if (widget->bind_value) {
+        widget->selected = lv_subject_get_int(widget->bind_value);
+    }
+    set_selected_item(widget, widget->selected);
+    return segment_item;
+}
+
+int32_t wd_segment_get_selected(lv_obj_t * wd_segment)
+{
+    wd_segment_t * widget = (wd_segment_t *)wd_segment;
+    return widget->selected;
+}
+
+/**********************
+ *   STATIC FUNCTIONS
+ **********************/
+
+static void segment_selected_cb(lv_event_t *e)
+{
+    lv_obj_t *clicked = lv_event_get_target(e);
+    wd_segment_t * widget = (wd_segment_t *)lv_event_get_user_data(e);
+    lv_obj_t * obj = (lv_obj_t *)widget;
+    for (int32_t i = 0; i < lv_obj_get_child_count(obj); i++)
+    {
+        lv_obj_t *child = lv_obj_get_child(obj, i);
+        lv_obj_set_state(child, LV_STATE_CHECKED, child == clicked);
+        if (child == clicked) {
+            widget->selected = i;
+            if (widget->bind_value) {
+                lv_subject_set_int(widget->bind_value, widget->selected);
+            }
+        }
+    }
+    lv_obj_send_event(obj, LV_EVENT_VALUE_CHANGED, NULL);
+}
+
+static void set_selected_item(wd_segment_t * widget, int32_t index)
+{
+    
+    lv_obj_t * obj = (lv_obj_t *)widget;
+    int32_t count = lv_obj_get_child_count(obj);
+    for (int32_t i = 0; i < count; i++)
+    {
+        lv_obj_t *child = lv_obj_get_child(obj, i);
+        lv_obj_set_state(child, LV_STATE_CHECKED, i == index);
+    }
+}
+
+
+static void value_observer_cb(lv_observer_t * observer, lv_subject_t * subject)
+{
+    wd_segment_t * widget = (wd_segment_t *)lv_observer_get_user_data(observer);
+    int32_t index = lv_subject_get_int(subject);
+    widget->selected = index;
+    set_selected_item(widget, index);
+}
+
+
+
diff --git a/tutorials/9_new_widget/widgets/wd_segment/wd_segment.h b/tutorials/9_new_widget/widgets/wd_segment/wd_segment.h
new file mode 100644
index 0000000..a5254f7
--- /dev/null
+++ b/tutorials/9_new_widget/widgets/wd_segment/wd_segment.h
@@ -0,0 +1,43 @@
+/**
+ * @file wd_segment.h
+ *
+ */
+
+#ifndef WD_SEGMENT_H
+#define WD_SEGMENT_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*********************
+ *      INCLUDES
+ *********************/
+
+#include "wd_segment_gen.h"
+
+/*********************
+ *      DEFINES
+ *********************/
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+/**********************
+ * GLOBAL PROTOTYPES
+ **********************/
+
+int32_t wd_segment_get_selected(lv_obj_t * wd_segment);
+
+/**********************
+ *      MACROS
+ **********************/
+
+#define WD_SEGMENT_USER_DATA
+
+#ifdef __cplusplus
+} /*extern "C"*/
+#endif
+
+#endif /*WD_SEGMENT_H*/
\ No newline at end of file
diff --git a/tutorials/9_new_widget/widgets/wd_segment/wd_segment.xml b/tutorials/9_new_widget/widgets/wd_segment/wd_segment.xml
new file mode 100644
index 0000000..65b2684
--- /dev/null
+++ b/tutorials/9_new_widget/widgets/wd_segment/wd_segment.xml
@@ -0,0 +1,31 @@
+<widget>
+	<previews>
+		<preview width="320" height="240" style_bg_color="0xeee" />
+	</previews>
+
+	<api>
+		<prop name="selected" type="int" help="The current selected item, -1 for none" />
+		<prop name="bind_value" type="subject" help="The subject to bind the selected item" />
+		<element name="button" access="add" type="lv_obj" help="Add buttons to the segment">
+			<arg name="text" type="string" />
+		</element>
+	</api>
+
+	<styles>
+		<style
+			name="style_base"
+			width="200"
+			height="40"
+			bg_opa="100%"
+			bg_color="0xa2a2a2"
+			radius="10"
+			layout="flex"
+			flex_flow="row"
+			clip_corner="true"
+		/>
+	</styles>
+
+	<view extends="lv_obj">
+		<style name="style_base" />
+	</view>
+</widget>
diff --git a/tutorials/9_new_widget/widgets/wd_segment/wd_segment_gen.c b/tutorials/9_new_widget/widgets/wd_segment/wd_segment_gen.c
new file mode 100644
index 0000000..b314028
--- /dev/null
+++ b/tutorials/9_new_widget/widgets/wd_segment/wd_segment_gen.c
@@ -0,0 +1,123 @@
+/**
+ * @file wd_segment_gen.c
+ *
+ */
+
+/*********************
+ *      INCLUDES
+ *********************/
+
+#include "wd_segment_private_gen.h"
+#ifdef LV_LVGL_H_INCLUDE_SIMPLE
+    #include "lvgl.h"
+    #include "src/core/lv_obj_class_private.h"
+#else
+    #include "lvgl/lvgl.h"
+    #include "lvgl/src/core/lv_obj_class_private.h"
+#endif
+#include "../../ui_new_widget.h"
+
+/*********************
+ *      DEFINES
+ *********************/
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+/**********************
+ *  GLOBAL PROTOTYPES
+ **********************/
+
+void wd_segment_constructor_hook(lv_obj_t * obj);
+void wd_segment_destructor_hook(lv_obj_t * obj);
+void wd_segment_event_hook(lv_event_t * e);
+
+/**********************
+ *  STATIC PROTOTYPES
+ **********************/
+
+static void wd_segment_constructor(const lv_obj_class_t * class_p, lv_obj_t * obj);
+static void wd_segment_destructor(const lv_obj_class_t * class_p, lv_obj_t * obj);
+static void wd_segment_event(const lv_obj_class_t * class_p, lv_event_t * e);
+
+/**********************
+ *  STATIC VARIABLES
+ **********************/
+
+const lv_obj_class_t wd_segment_class = {
+    .base_class = &lv_obj_class,
+    .constructor_cb = wd_segment_constructor,
+    .destructor_cb = wd_segment_destructor,
+    .event_cb = wd_segment_event,
+    .instance_size = sizeof(wd_segment_t),
+    .editable = 1,
+    .name = "wd_segment"
+};
+
+/**********************
+ *   GLOBAL FUNCTIONS
+ **********************/
+
+lv_obj_t * wd_segment_create(lv_obj_t * parent)
+{
+    LV_LOG_INFO("begin");
+    lv_obj_t * obj = lv_obj_class_create_obj(&wd_segment_class, parent);
+    lv_obj_class_init_obj(obj);
+
+    return obj;
+}
+
+/**********************
+ *   STATIC FUNCTIONS
+ **********************/
+static void wd_segment_constructor(const lv_obj_class_t * class_p, lv_obj_t * obj)
+{
+    LV_UNUSED(class_p);
+    LV_TRACE_OBJ_CREATE("begin");
+
+    wd_segment_t * widget = (wd_segment_t *)obj;
+    static lv_style_t style_base;
+    static bool style_inited = false;
+
+    if (!style_inited) {
+        lv_style_init(&style_base);
+        lv_style_set_width(&style_base, 200);
+        lv_style_set_height(&style_base, 40);
+        lv_style_set_bg_opa(&style_base, (255 * 100 / 100));
+        lv_style_set_bg_color(&style_base, lv_color_hex(0xa2a2a2));
+        lv_style_set_radius(&style_base, 10);
+        lv_style_set_layout(&style_base, LV_LAYOUT_FLEX);
+        lv_style_set_flex_flow(&style_base, LV_FLEX_FLOW_ROW);
+        lv_style_set_clip_corner(&style_base, true);
+
+        style_inited = true;
+    }
+    lv_obj_add_style(obj, &style_base, 0);
+
+
+    wd_segment_constructor_hook(obj);
+
+    LV_TRACE_OBJ_CREATE("finished");
+}
+
+static void wd_segment_destructor(const lv_obj_class_t * class_p, lv_obj_t * obj)
+{
+    LV_UNUSED(class_p);
+
+    wd_segment_destructor_hook(obj);
+}
+
+static void wd_segment_event(const lv_obj_class_t * class_p, lv_event_t * e)
+{
+    LV_UNUSED(class_p);
+
+    lv_result_t res;
+
+    /* Call the ancestor's event handler */
+    res = lv_obj_event_base(&wd_segment_class, e);
+    if(res != LV_RESULT_OK) return;
+
+    wd_segment_event_hook(e);
+}
+
diff --git a/tutorials/9_new_widget/widgets/wd_segment/wd_segment_gen.h b/tutorials/9_new_widget/widgets/wd_segment/wd_segment_gen.h
new file mode 100644
index 0000000..ddd967c
--- /dev/null
+++ b/tutorials/9_new_widget/widgets/wd_segment/wd_segment_gen.h
@@ -0,0 +1,74 @@
+/**
+ * @file wd_segment_gen.h
+ *
+ */
+
+#ifndef WD_SEGMENT_GEN_H
+#define WD_SEGMENT_GEN_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*********************
+ *      INCLUDES
+ *********************/
+
+#ifdef LV_LVGL_H_INCLUDE_SIMPLE
+    #include "lvgl.h"
+    #include "src/core/lv_obj_class_private.h"
+#else
+    #include "lvgl/lvgl.h"
+    #include "lvgl/src/core/lv_obj_class_private.h"
+#endif
+
+#include "../../ui_new_widget_gen.h"
+
+/*********************
+ *      DEFINES
+ *********************/
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+/**********************
+ * GLOBAL PROTOTYPES
+ **********************/
+
+/**
+ * Create a wd_segment object
+ * @param parent pointer to an object, it will be the parent of the new wd_segment
+ * @return pointer to the created wd_segment
+ */
+lv_obj_t * wd_segment_create(lv_obj_t * parent);
+/**
+ * The current selected item, -1 for none
+ * @param obj   pointer to a wd_segment
+ * @param selected  The current selected item, -1 for none
+ */
+void wd_segment_set_selected(lv_obj_t * wd_segment, int32_t selected);
+
+/**
+ * The subject to bind the selected item
+ * @param obj   pointer to a wd_segment
+ * @param bind_value  The subject to bind the selected item
+ */
+void wd_segment_bind_value(lv_obj_t * wd_segment, lv_subject_t * bind_value);
+
+/**
+ * wd_segment button
+ * @param obj   pointer to a wd_segment
+ * @param text  text
+ */
+lv_obj_t * wd_segment_add_button(lv_obj_t * wd_segment, const char * text);
+
+/**********************
+ *      MACROS
+ **********************/
+
+#ifdef __cplusplus
+} /*extern "C"*/
+#endif
+
+#endif /*WD_SEGMENT_GEN_H*/
\ No newline at end of file
diff --git a/tutorials/9_new_widget/widgets/wd_segment/wd_segment_private_gen.h b/tutorials/9_new_widget/widgets/wd_segment/wd_segment_private_gen.h
new file mode 100644
index 0000000..41af8f9
--- /dev/null
+++ b/tutorials/9_new_widget/widgets/wd_segment/wd_segment_private_gen.h
@@ -0,0 +1,60 @@
+/**
+ * @file wd_segment_private_gen.h
+ *
+ */
+
+#ifndef WD_SEGMENT_PRIVATE_H
+#define WD_SEGMENT_PRIVATE_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*********************
+ *      INCLUDES
+ *********************/
+
+#ifdef LV_LVGL_H_INCLUDE_SIMPLE
+    #include "lvgl_private.h"
+#else
+    #include "lvgl/lvgl_private.h"
+#endif
+#include "wd_segment.h"
+
+/*********************
+ *      DEFINES
+ *********************/
+
+#ifndef WD_SEGMENT_USER_DATA
+#define WD_SEGMENT_USER_DATA
+#endif
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+typedef struct {
+    lv_obj_t obj;  /* Base widget to extend */
+    int32_t selected;
+    lv_subject_t * bind_value;
+    WD_SEGMENT_USER_DATA
+} wd_segment_t;
+
+extern const lv_obj_class_t wd_segment_class;
+
+/**********************
+ * GLOBAL PROTOTYPES
+ **********************/
+
+#if LV_USE_XML
+    void wd_segment_register(void);
+#endif
+
+/**********************
+ *      MACROS
+ **********************/
+
+#ifdef __cplusplus
+} /*extern "C"*/
+#endif
+
+#endif /*WD_SEGMENT_PRIVATE_H*/
\ No newline at end of file
diff --git a/tutorials/9_new_widget/widgets/wd_segment/wd_segment_xml_parser.c b/tutorials/9_new_widget/widgets/wd_segment/wd_segment_xml_parser.c
new file mode 100644
index 0000000..2fe9555
--- /dev/null
+++ b/tutorials/9_new_widget/widgets/wd_segment/wd_segment_xml_parser.c
@@ -0,0 +1,122 @@
+/**
+ * @file wd_segment_xml_parser.c
+ *
+ */
+
+/*********************
+ *      INCLUDES
+ *********************/
+
+#include "wd_segment_gen.h"
+
+#ifdef LV_LVGL_H_INCLUDE_SIMPLE
+    #include "src/lvgl_private.h"
+    #include "src/core/lv_obj_class_private.h"
+#else
+    #include "lvgl/src/lvgl_private.h"
+    #include "lvgl/src/core/lv_obj_class_private.h"
+#endif
+
+#if LV_USE_XML
+
+/*********************
+ *      DEFINES
+ *********************/
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+/**********************
+ *  STATIC PROTOTYPES
+ **********************/
+
+/**********************
+ *  STATIC VARIABLES
+ **********************/
+
+/**********************
+ *      MACROS
+ **********************/
+
+/**********************
+ *   GLOBAL FUNCTIONS
+ **********************/
+
+void * wd_segment_xml_create(lv_xml_parser_state_t * state, const char ** attrs)
+{
+    LV_UNUSED(attrs);
+    void * item = wd_segment_create(lv_xml_state_get_parent(state));
+
+    if(item == NULL) {
+        LV_LOG_ERROR("Failed to create wd_segment");
+        return NULL;
+    }
+
+    return item;
+}
+
+void wd_segment_xml_apply(lv_xml_parser_state_t * state, const char ** attrs)
+{
+    void * item = lv_xml_state_get_item(state);
+
+    lv_xml_obj_apply(state, attrs);
+
+    for(int i = 0; attrs[i]; i += 2) {
+        const char * name = attrs[i];
+        const char * value = attrs[i + 1];
+        if(lv_streq("selected", name)) {
+            wd_segment_set_selected(item, lv_xml_atoi(value));
+        }
+        if(lv_streq("bind_value", name)) {
+            lv_subject_t * subject = lv_xml_get_subject(&state->scope, value);
+            if(subject) {
+                wd_segment_bind_value(item, subject);
+            }
+            else {
+                LV_LOG_WARN("Subject \"%s\" doesn't exist in wd_segment bind_value", value);
+            }
+        }
+    }
+}
+
+void * wd_segment_button_xml_create(lv_xml_parser_state_t * state, const char ** attrs)
+{
+    LV_UNUSED(attrs);
+    void * item = lv_xml_state_get_parent(state);
+
+    if(item == NULL) {
+        LV_LOG_ERROR("Failed to create wd_segment_button");
+        return NULL;
+    }
+
+    const char * text = lv_xml_get_value_of(attrs, "text");
+    return wd_segment_add_button(item, text);
+}
+
+void wd_segment_button_xml_apply(lv_xml_parser_state_t * state, const char ** attrs)
+{
+
+    void * parent_item = lv_xml_state_get_parent(state);
+    void * item = lv_xml_state_get_item(state);
+
+    lv_xml_obj_apply(state, attrs);
+
+    for(int i = 0; attrs[i]; i += 2) {
+        const char * name = attrs[i];
+        const char * value = attrs[i + 1];
+        
+    }
+}
+
+void wd_segment_register(void)
+{
+    lv_xml_register_widget("wd_segment", wd_segment_xml_create, wd_segment_xml_apply);
+    lv_xml_register_widget("wd_segment-button", wd_segment_button_xml_create, wd_segment_button_xml_apply);
+}
+
+/**********************
+ *   STATIC FUNCTIONS
+ **********************/
+
+#endif /* LV_USE_XML */
\ No newline at end of file