Revert "Improve SteamOS/GPU detection and Linux packaging"

This reverts commit a92e3e4652.

GPU-FIX-README.md

@@ -21,35 +21,27 @@ This is caused by GPU compositing conflicts between Electron's Chromium renderer
 
 ### Solution
 
-**Automatic Detection (v1.3.3+)**
-The latest version of Nebula automatically detects SteamOS/Gamescope and applies the necessary fixes in both development and packaged builds.
-
-**For AppImage/Packaged Builds:**
-
-If the automatic detection isn't working, you can launch the AppImage with flags:
+**Option 1: Automatic Detection (Recommended)**
+The latest version of Nebula automatically detects SteamOS/Gamescope and applies the necessary fixes. Simply update to the latest version.
 
+**Option 2: Manual Launch Script**
+Use the provided `start-steamos.sh` script:
 ```bash
-# Run the AppImage with SteamOS flags
-./Nebula-*.AppImage --ozone-platform=x11 --disable-gpu-compositing --disable-gpu-vsync --no-sandbox --disable-dev-shm-usage --disable-features=VizDisplayCompositor
+chmod +x start-steamos.sh
+./start-steamos.sh
 ```
 
-**Create a custom .desktop file:**
-
-Copy `nebula-steamos.desktop` to `~/.local/share/applications/` for a Steam Deck optimized launcher:
+**Option 3: Command-line Flags**
+If running manually, add these flags:
 ```bash
-cp nebula-steamos.desktop ~/.local/share/applications/
+electron . --ozone-platform=x11 --disable-gpu-compositing --disable-gpu-vsync --no-sandbox --disable-dev-shm-usage
 ```
 
-**For Development:**
+**Option 4: Environment Variable**
+Set the `ELECTRON_OZONE_PLATFORM_HINT` environment variable:
 ```bash
-npm run start:steamos
-```
-
-**Environment Variable Override:**
-You can force SteamOS mode by setting an environment variable:
-```bash
-export SteamDeck=1
-./Nebula-*.AppImage
+export ELECTRON_OZONE_PLATFORM_HINT=x11
+npm start
 ```
 
 ## Linux (General)

main.js

@@ -1,66 +1,3 @@
-// ============================================================================
-// CRITICAL: GPU flags must be applied BEFORE Electron loads
-// These must be at the VERY TOP of main.js for packaged apps
-// ============================================================================
-if (process.platform === 'linux') {
-  const fs = require('fs');
-  
-  // Detect SteamOS/Gamescope environment
-  let isSteamOS = false;
-  try {
-    if (fs.existsSync('/etc/steamos-release')) isSteamOS = true;
-    else if (fs.existsSync('/usr/share/steamos/steamos.conf')) isSteamOS = true;
-    else if (process.env.GAMESCOPE_WAYLAND_DISPLAY) isSteamOS = true;
-    else if (process.env.SteamDeck) isSteamOS = true;
-    else if (process.env.SteamAppId) isSteamOS = true;
-    else if (fs.existsSync('/etc/os-release')) {
-      const osRelease = fs.readFileSync('/etc/os-release', 'utf8');
-      if (osRelease.includes('SteamOS') || osRelease.includes('steamos')) isSteamOS = true;
-    }
-  } catch (e) {}
-  
-  // Apply flags via app.commandLine BEFORE requiring electron
-  // We need to do this via process.argv for packaged apps
-  const linuxFlags = [
-    '--disable-gpu-sandbox',
-    '--no-sandbox',
-    '--disable-dev-shm-usage'
-  ];
-  
-  if (isSteamOS || process.env.GAMESCOPE_WAYLAND_DISPLAY) {
-    console.log('[GPU] SteamOS/Gamescope detected at startup - applying critical flags');
-    linuxFlags.push(
-      '--ozone-platform=x11',
-      '--disable-gpu-compositing',
-      '--disable-gpu-vsync',
-      '--disable-accelerated-2d-canvas',
-      '--use-gl=desktop',
-      '--disable-features=VizDisplayCompositor',
-      '--enable-features=UseOzonePlatform'
-    );
-  } else {
-    // General Linux - detect Wayland vs X11
-    const waylandDisplay = process.env.WAYLAND_DISPLAY;
-    const x11Display = process.env.DISPLAY;
-    
-    if (waylandDisplay && !x11Display) {
-      linuxFlags.push('--ozone-platform=wayland', '--enable-features=UseOzonePlatform,WaylandWindowDecorations');
-    } else if (x11Display) {
-      linuxFlags.push('--ozone-platform=x11');
-    }
-    linuxFlags.push('--disable-features=VizDisplayCompositor');
-  }
-  
-  // Add flags that aren't already present
-  linuxFlags.forEach(flag => {
-    const flagName = flag.split('=')[0];
-    if (!process.argv.some(arg => arg.startsWith(flagName))) {
-      process.argv.push(flag);
-    }
-  });
-}
-// ============================================================================
-
 const { app, BrowserWindow, ipcMain, session, screen, shell, dialog, Menu, clipboard, webContents } = require('electron');
 const { autoUpdater } = require('electron-updater');
 const { pathToFileURL } = require('url');

nebula-steamos.desktop

@@ -1,9 +0,0 @@
-[Desktop Entry]
-Name=Nebula Browser (SteamOS)
-Comment=Nebula Browser optimized for SteamOS/Steam Deck
-Exec=nebula --ozone-platform=x11 --disable-gpu-compositing --disable-gpu-vsync --no-sandbox --disable-dev-shm-usage --disable-features=VizDisplayCompositor %U
-Icon=nebula
-Type=Application
-Categories=Network;WebBrowser;
-StartupWMClass=nebula
-MimeType=x-scheme-handler/http;x-scheme-handler/https;

package.json

@@ -42,25 +42,7 @@
       "icon": "assets/images/Logos/Nebula-Favicon.ico"
     },
     "linux": {
-      "icon": "assets/images/Logos/Nebula-Favicon.png",
-      "target": [
-        {
-          "target": "AppImage",
-          "arch": ["x64"]
-        },
-        {
-          "target": "deb",
-          "arch": ["x64"]
-        }
-      ],
-      "category": "Network",
-      "desktop": {
-        "StartupWMClass": "nebula"
-      },
-      "executableArgs": [
-        "--no-sandbox",
-        "--disable-gpu-sandbox"
-      ]
+      "icon": "assets/images/Logos/Nebula-Favicon.png"
     }
   }
 }