mirror of
https://git.eden-emu.dev/eden-emu/eden.git
synced 2026-08-16 05:21:22 +00:00
emscripten friendly sdl loop
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lizzie
@@ -258,6 +258,8 @@ If running under Firefox and you hit "out of memory" on dev console, close the e
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To run the binary (after building) you should be fine with `node ./eden-cli.js`. For obvious reasons no Qt frontend is available on WASM, support for Vulkan is done charily via [llvmpipe2wasm](https://github.com/Devsh-Graphics-Programming/llvmpipe2wasm).
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If you run into the error "acorn.js can't be found" check [this associated issue](https://github.com/emscripten-core/emscripten/issues/13368), the fix in short is `npm --global install acorn`. On FreeBSD you could run `npm` under root, or you could do the sane thing and do `sudo chown -R $USER /usr/local/lib/node_modules/ /usr/local/bin/` (remember to restore permissions afterwards!) unless you wish to run `npm` under root which is generally a bad idea.
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2026-06-09: As of writing, no Dynarmic-based JIT is possible on this target, full interpreted emulation is the only reasonable option. While there is some efforts on making a JIT like [here](https://github.com/wingo/wasm-jit) or [here](https://wingolog.org/archives/2022/08/18/just-in-time-code-generation-within-webassembly), the result is so latency expensive we're better off using an interpreter instead.
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## Windows
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@@ -77,12 +77,13 @@ if (NOT MSVC)
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endif()
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if (PLATFORM_EMSCRIPTEN)
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# 10GB is required... yikes!
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# 10GB is required at max... yikes!
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target_link_options(yuzu-cmd PRIVATE
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-sALLOW_MEMORY_GROWTH=1
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-sINITIAL_MEMORY=33554432
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-sMAXIMUM_MEMORY=10737418240
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-sGLOBAL_BASE=16777216
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-sEXPORTED_RUNTIME_METHODS="['FS']"
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-sEXPORTED_RUNTIME_METHODS=['FS']
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-sPTHREAD_POOL_SIZE_STRICT=0
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-sPTHREAD_POOL_SIZE=navigator.hardwareConcurrency)
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endif()
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Regular → Executable
+61
-38
@@ -1,4 +1,4 @@
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#!/usr/local/env node
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#!/usr/bin/env node
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// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
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// SPDX-License-Identifier: GPL-3.0-or-later
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@@ -21,51 +21,61 @@ const server = createServer((req, res) => {
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<html>
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<head>
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<title>eden-cli</title>
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</head>
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<body style="margin:0;padding:0;background-color:black;font-family:Monospace,Tahoma,Arial;">
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<script>
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var Module = {}; // MUST be global otherwise wasm does wawawawa
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function finished_body() {
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Module = { //do not prepend var
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print: (e) => {
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e = e.replace('[1;31m', '<span style="color:red;font-weight:bold;">');
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e = e.replace('[0;37m', '<span style="color:white;font-weight:bold;">');
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e = e.replace('[1;35m', '<span style="color:pink;font-weight:bold;">');
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e = e.replace('[1;33m', '<span style="color:yellow;font-weight:bold;">');
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e = e.replace('[0m', '</span>');
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tty_stdout.innerHTML += e + '</br>';
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},
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printErr: (e) => {
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tty_stdout.innerHTML += '<span style="color:red">' + e + '</span></br>';
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},
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// not a wasm func but idc
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printInternal: (e) => {
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tty_stdout.innerHTML += '<span style="color:pink">Internal WASM: ' + e + '</span></br>';
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},
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onRuntimeInitialized: () => { Module.printInternal("runtime ok"); },
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setStatus: (e) => { Module.printInternal(e); },
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monitorRunDependencies: (e) => { Module.printInternal("monitor deps: " + e); },
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__wasm_call_ctors: () => { Module.printInternal("ctors beep"); },
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};
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var Module = { //do not prepend var
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mainScriptUrlOrBlob: 'eden-cli.js',
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print: (e) => {
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e = e.replace('[1;31m', '<span style="color:red;font-weight:bold;">');
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e = e.replace('[0;37m', '<span style="color:white;font-weight:bold;">');
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e = e.replace('[1;35m', '<span style="color:pink;font-weight:bold;">');
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e = e.replace('[1;33m', '<span style="color:yellow;font-weight:bold;">');
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e = e.replace('[0m', '</span>');
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tty_stdout.innerHTML += \`\${e}</br>\`;
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},
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printErr: (e) => {
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tty_stdout.innerHTML += \`<span style="color:red">\${e}</span></br>\`;
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},
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// not a wasm func but idc
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printInternal: (e) => {
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tty_stdout.innerHTML += \`<span style="color:pink">Internal WASM: \${e}</span></br>\`;
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},
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onRuntimeInitialized: () => { Module.printInternal("runtime ok"); },
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setStatus: (e) => { Module.printInternal(e); },
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monitorRunDependencies: (e) => { Module.printInternal("monitor deps: " + e); },
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__wasm_call_ctors: () => { Module.printInternal("ctors beep"); },
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};
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var tty_stdout = document.createElement('div');
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document.body.appendChild(tty_stdout);
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Module.arguments = ['game.nro'];
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var tty_stdout = document.createElement('div');
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document.body.appendChild(tty_stdout);
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Module.printInternal("loading from ${build_dir}/eden-cli.js");
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var gameNroFileBuffer = {};
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Module.arguments = ['game.nro'];
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Module.printInternal("Atomics: " + window.Atomics);
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Module.printInternal("SharedArrayBuffer: " + window.SharedArrayBuffer);
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Module.printInternal("trying to load script (if it hangs here check console)");
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fetch('game.nro').then((resp) => {
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if (!resp.ok)
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throw Error(\`\${resp.status}\`);
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return resp.arrayBuffer();
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}).then((buffer) => {
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gameNroFileBuffer = buffer;
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Module.printInternal("buffer: " + gameNroFileBuffer);
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// load the thingy AFTER loading the nro
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Module.printInternal(\`loading from ${build_dir}\${Module.mainScriptUrlOrBlob}\`);
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var script = document.createElement('script');
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script.src = '/eden-cli.js';
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script.onload = () => {
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Module.printInternal("Atomics: " + window.Atomics);
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Module.printInternal("SharedArrayBuffer: " + window.SharedArrayBuffer);
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Module.printInternal("trying to load script (if it hangs here check console)");
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Module.FS.writeFile('/game.nro', [1,2,3]);
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// copy just most relevant :)
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console.log(Module);
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Module.FS.writeFile('/game.nro', new DataView(gameNroFileBuffer));
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};
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document.head.appendChild(script);
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}
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}).catch(Module.printErr);
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</script>
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</head>
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<body style="margin:0;padding:0;background-color:black;font-family:Monospace,Tahoma,Arial;" onload="finished_body();">
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</body>
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</html>`);
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} else if (req.url === '/eden-cli.js') {
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@@ -86,12 +96,25 @@ function finished_body() {
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});
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res.end(content, 'utf-8');
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});
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} else if (req.url === '/game.nro') {
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readFile(nro_file, (err, content) => {
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res.writeHead(200, {
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'Content-Type': 'application/wasm',
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'Cross-Origin-Opener-Policy': 'same-origin',
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'Cross-Origin-Embedder-Policy': 'require-corp'
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});
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res.end(content, 'utf-8');
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});
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} else {
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res.writeHead(404, {});
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res.end('', 'utf-8');
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}
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});
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const build_dir = process.argv[2];
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if (build_dir === undefined) {
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console.log(`Usage: ${process.argv[0]} ${process.argv[1]} [build directory]`);
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const nro_file = process.argv[3];
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if (typeof build_dir == "undefined" || typeof nro_file == "undefined") {
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console.log(`Usage: ${process.argv[0]} ${process.argv[1]} [build directory] [NRO file]`);
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} else {
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server.listen(2210, () => {
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console.log(`${process.argv[0]} ${process.argv[1]} http://localhost:2210`);
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