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feat: Electrobun Svelte+WGPU prototype (Dawn GPU confirmed on Linux)

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- Svelte 5 frontend with Catppuccin Mocha theme, 2 project cards
- Electrobun v1.16.0 with bundleWGPU: true (Dawn on Linux x64)
- WebKitGTK webview + WGPU surface coexistence confirmed
- CPU: 6.5% idle (CSS animation + WebKitGTK overhead)
- Port 9760 for dev server (project convention)
This commit is contained in:
Hibryda 2026-03-20 01:25:41 +01:00
parent 1f20fc460e
commit cfc135ffaf
29 changed files with 1106 additions and 1020 deletions
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ui-electrobun/build/dev-linux-x64/AgentOrchestrator-dev/Info.plist Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>CFBundleExecutable</key>
<string>launcher</string>
<key>CFBundleIdentifier</key>
<string>dev.agor.orchestrator</string>
<key>CFBundleName</key>
<string>AgentOrchestrator-dev</string>
<key>CFBundleVersion</key>
<string>0.0.1</string>
<key>CFBundlePackageType</key>
<string>APPL</string>
<key>CFBundleIconFile</key>
<string>AppIcon</string>
</dict>
</plist>

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Svelte App</title>
<script type="module" crossorigin src="/assets/index-D-cE0ySN.js"></script>
<link rel="stylesheet" crossorigin href="/assets/index-DpJ88YKe.css">
</head>
<body>
<div id="app"></div>
</body>
</html>

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ui-electrobun/build/dev-linux-x64/AgentOrchestrator-dev/Resources/build.json Normal file
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{"defaultRenderer":"native","availableRenderers":["native"],"runtime":{},"bunVersion":"1.3.9"}

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ui-electrobun/build/dev-linux-x64/AgentOrchestrator-dev/Resources/main.js Normal file
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// @bun
var __require = import.meta.require;
// src/launcher/main.ts
import { join, dirname, resolve } from "path";
import { dlopen, suffix, ptr, toArrayBuffer } from "bun:ffi";
import { existsSync, writeFileSync } from "fs";
import { tmpdir } from "os";
var pathToMacOS = dirname(process.argv0);
var libPath = join(pathToMacOS, `libNativeWrapper.${suffix}`);
var absoluteLibPath = resolve(libPath);
function main() {
let channel = "";
let identifier = "";
let name = "";
try {
const pathToLauncherBin2 = process.argv0;
const pathToBinDir2 = dirname(pathToLauncherBin2);
const versionJsonPath = join(pathToBinDir2, "..", "Resources", "version.json");
if (existsSync(versionJsonPath)) {
const versionInfo = __require(versionJsonPath);
if (versionInfo.identifier) {
identifier = versionInfo.identifier;
}
if (versionInfo.name) {
name = versionInfo.name;
}
if (versionInfo.channel) {
channel = versionInfo.channel;
}
console.log(`[LAUNCHER] Loaded identifier: ${identifier}, name: ${name}, channel: ${channel}`);
}
} catch (error) {
console.error(`[LAUNCHER] Warning: Could not read version.json:`, error);
}
if (process.platform === "linux") {
const cefLibs = [
join(pathToMacOS, "libcef.so"),
join(pathToMacOS, "libvk_swiftshader.so")
];
const existingCefLibs = cefLibs.filter((lib2) => existsSync(lib2));
if (existingCefLibs.length > 0 && !process.env["LD_PRELOAD"]) {
console.error(`[LAUNCHER] ERROR: CEF libraries found but LD_PRELOAD not set!`);
console.error(`[LAUNCHER] Please run through the wrapper script: ./run.sh`);
console.error(`[LAUNCHER] Or set: LD_PRELOAD="${existingCefLibs.join(":")}" before starting.`);
const { spawn } = __require("child_process");
const env = { ...process.env, LD_PRELOAD: existingCefLibs.join(":") };
const child = spawn(process.argv[0], process.argv.slice(1), {
env,
stdio: "inherit"
});
child.on("exit", (code) => process.exit(code ?? 1));
return;
}
}
let lib;
try {
if (!process.env["LD_LIBRARY_PATH"]?.includes(".")) {
process.env["LD_LIBRARY_PATH"] = `.${process.env["LD_LIBRARY_PATH"] ? ":" + process.env["LD_LIBRARY_PATH"] : ""}`;
}
lib = dlopen(libPath, {
startEventLoop: {
args: ["cstring", "cstring", "cstring"],
returns: "void"
},
forceExit: {
args: ["i32"],
returns: "void"
}
});
} catch (error) {
console.error(`[LAUNCHER] Failed to load library: ${error.message}`);
try {
lib = dlopen(absoluteLibPath, {
startEventLoop: {
args: ["cstring", "cstring", "cstring"],
returns: "void"
},
forceExit: {
args: ["i32"],
returns: "void"
}
});
} catch (absError) {
console.error(`[LAUNCHER] Library loading failed. Try running: ldd ${libPath}`);
throw error;
}
}
const pathToLauncherBin = process.argv0;
const pathToBinDir = dirname(pathToLauncherBin);
const resourcesDir = join(pathToBinDir, "..", "Resources");
const asarPath = join(resourcesDir, "app.asar");
const appFolderPath = join(resourcesDir, "app");
let appEntrypointPath;
if (existsSync(asarPath)) {
console.log(`[LAUNCHER] Loading app code from ASAR: ${asarPath}`);
let asarLibPath;
let asarLib;
if (process.platform === "win32") {
asarLibPath = libPath;
console.log(`[LAUNCHER] Using native wrapper's ASAR reader: ${asarLibPath}`);
} else {
asarLibPath = join(pathToMacOS, `libasar.${suffix}`);
}
try {
asarLib = dlopen(asarLibPath, {
asar_open: { args: ["cstring"], returns: "ptr" },
asar_read_file: { args: ["ptr", "cstring", "ptr"], returns: "ptr" },
asar_free_buffer: { args: ["ptr", "u64"], returns: "void" },
asar_close: { args: ["ptr"], returns: "void" }
});
} catch (error) {
console.error(`[LAUNCHER] Failed to load ASAR library: ${error.message}`);
throw error;
}
const asarArchive = asarLib.symbols.asar_open(ptr(new Uint8Array(Buffer.from(asarPath + "\x00", "utf8"))));
if (!asarArchive || asarArchive === 0n) {
console.error(`[LAUNCHER] Failed to open ASAR archive at: ${asarPath}`);
throw new Error("Failed to open ASAR archive");
}
const filePath = "bun/index.js";
const sizeBuffer = new BigUint64Array(1);
const fileDataPtr = asarLib.symbols.asar_read_file(asarArchive, ptr(new Uint8Array(Buffer.from(filePath + "\x00", "utf8"))), ptr(sizeBuffer));
if (!fileDataPtr || fileDataPtr === 0n) {
console.error(`[LAUNCHER] Failed to read ${filePath} from ASAR`);
asarLib.symbols.asar_close(asarArchive);
throw new Error(`Failed to read ${filePath} from ASAR`);
}
const fileSize = Number(sizeBuffer[0]);
console.log(`[LAUNCHER] Read ${fileSize} bytes from ASAR for ${filePath}`);
const arrayBuffer = toArrayBuffer(fileDataPtr, 0, fileSize);
const fileData = Buffer.from(arrayBuffer);
const systemTmpDir = tmpdir();
const randomFileName = `electrobun-${Date.now()}-${Math.random().toString(36).substring(7)}.js`;
appEntrypointPath = join(systemTmpDir, randomFileName);
const wrappedFileData = `
// Auto-delete temp file after Worker loads it
const __tempFilePath = "${appEntrypointPath}";
setTimeout(() => {
try {
require("fs").unlinkSync(__tempFilePath);
console.log("[LAUNCHER] Deleted temp file:", __tempFilePath);
} catch (error) {
console.warn("[LAUNCHER] Failed to delete temp file:", error.message);
}
}, 100);
${fileData.toString("utf8")}
`;
writeFileSync(appEntrypointPath, wrappedFileData);
console.log(`[LAUNCHER] Wrote app entrypoint to: ${appEntrypointPath}`);
asarLib.symbols.asar_free_buffer(fileDataPtr, BigInt(fileSize));
asarLib.symbols.asar_close(asarArchive);
} else {
console.log(`[LAUNCHER] Loading app code from flat files`);
appEntrypointPath = join(appFolderPath, "bun", "index.js");
}
process.on("SIGINT", () => {});
process.on("SIGTERM", () => {});
new Worker(appEntrypointPath, {});
lib.symbols.startEventLoop(ptr(new Uint8Array(Buffer.from(identifier + "\x00", "utf8"))), ptr(new Uint8Array(Buffer.from(name + "\x00", "utf8"))), ptr(new Uint8Array(Buffer.from(channel + "\x00", "utf8"))));
lib.symbols.forceExit(0);
}
main();

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{"version":"0.0.1","hash":"dev","channel":"dev","baseUrl":"","name":"AgentOrchestrator-dev","identifier":"dev.agor.orchestrator"}

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