fix: overlay scaling issue

Dotnet/Overlay/Cef/OffScreenBrowser.cs

@@ -26,7 +26,7 @@ namespace VRCX
 
         private static readonly Logger logger = LogManager.GetCurrentClassLogger();
 
-        public OffScreenBrowser(string address, int width, int height)
+        public OffScreenBrowser(string address, int width, int height, IRequestContext requestContext = null)
             : base(address, automaticallyCreateBrowser: false)
         {
             var windowInfo = new WindowInfo();
@@ -42,7 +42,7 @@ namespace VRCX
                 WindowlessFrameRate = 60
             };
 
-            CreateBrowser(windowInfo, browserSettings);
+            CreateBrowser(windowInfo, browserSettings, requestContext);
 
             Size = new System.Drawing.Size(width, height);
             RenderHandler = this;

Dotnet/Overlay/Cef/OffScreenBrowserLegacy.cs

@@ -24,17 +24,26 @@ namespace VRCX
         private int _width;
         private int _height;
 
-        public OffScreenBrowserLegacy(string address, int width, int height)
+        public OffScreenBrowserLegacy(string address, int width, int height, IRequestContext requestContext = null)
-            : base(
+            : base(address, automaticallyCreateBrowser: false)
-                address,
-                new BrowserSettings()
-                {
-                    DefaultEncoding = "UTF-8"
-                }
-            )
         {
             _paintBufferLock = new ReaderWriterLockSlim();
 
+            var windowInfo = new WindowInfo();
+            windowInfo.SetAsWindowless(IntPtr.Zero);
+            windowInfo.WindowlessRenderingEnabled = true;
+            windowInfo.SharedTextureEnabled = false;
+            windowInfo.Width = width;
+            windowInfo.Height = height;
+
+            var browserSettings = new BrowserSettings()
+            {
+                DefaultEncoding = "UTF-8",
+                WindowlessFrameRate = 24
+            };
+
+            CreateBrowser(windowInfo, browserSettings, requestContext);
+
             Size = new System.Drawing.Size(width, height);
             RenderHandler = this;
 

Dotnet/Overlay/Cef/VRCXVRCef.cs

@@ -33,6 +33,15 @@ namespace VRCX
         private static readonly float[] _rotationRight = { -90f * (float)(Math.PI / 180f), -90f * (float)(Math.PI / 180f), -90f * (float)(Math.PI / 180f) };
         private static OffScreenBrowser _wristOverlay;
         private static OffScreenBrowser _hmdOverlay;
+
+        private static readonly IRequestContext VrOverlayRequestContext = new RequestContext(
+            new RequestContextSettings
+            {
+                CachePath = string.Empty,
+                PersistSessionCookies = false,
+                PersistUserPreferences = false
+            }
+        );
         private readonly List<string[]> _deviceList;
         private readonly ReaderWriterLockSlim _deviceListLock;
         private bool _active;
@@ -196,13 +205,15 @@ namespace VRCX
             _wristOverlay = new OffScreenBrowser(
                 Program.LaunchDebug ? "http://localhost:9000/vr.html?wrist" : "file://vrcx/vr.html?wrist",
                 512,
-                512
+                512,
+                VrOverlayRequestContext
             );
 
             _hmdOverlay = new OffScreenBrowser(
                 Program.LaunchDebug ? "http://localhost:9000/vr.html?hmd" : "file://vrcx/vr.html?hmd",
                 1024,
-                1024
+                1024,
+                VrOverlayRequestContext
             );
 
             while (_thread != null)

Dotnet/Overlay/Cef/VRCXVRLegacy.cs

@@ -33,6 +33,15 @@ namespace VRCX
         private static readonly float[] _rotationRight = { -90f * (float)(Math.PI / 180f), -90f * (float)(Math.PI / 180f), -90f * (float)(Math.PI / 180f) };
         private static OffScreenBrowserLegacy _wristOverlay;
         private static OffScreenBrowserLegacy _hmdOverlay;
+
+        private static readonly IRequestContext VrOverlayRequestContext = new RequestContext(
+            new RequestContextSettings
+            {
+                CachePath = string.Empty,
+                PersistSessionCookies = false,
+                PersistUserPreferences = false
+            }
+        );
         private readonly List<string[]> _deviceList;
         private readonly ReaderWriterLockSlim _deviceListLock;
         private bool _active;
@@ -194,13 +203,15 @@ namespace VRCX
             _wristOverlay = new OffScreenBrowserLegacy(
                 Program.LaunchDebug ? "http://localhost:9000/vr.html?wrist" : "file://vrcx/vr.html?wrist",
                 512,
-                512
+                512,
+                VrOverlayRequestContext
             );
 
             _hmdOverlay = new OffScreenBrowserLegacy(
                 Program.LaunchDebug ? "http://localhost:9000/vr.html?hmd" : "file://vrcx/vr.html?hmd",
                 1024,
-                1024
+                1024,
+                VrOverlayRequestContext
             );
 
             while (_thread != null)

src-electron/main.js

@@ -435,6 +435,7 @@ function createWristOverlayWindowOffscreen() {
         frame: false,
         show: false,
         webPreferences: {
+            partition: 'vrcx-vr-overlay',
             offscreen: true,
             preload: path.join(__dirname, 'preload.js')
         }
@@ -501,6 +502,7 @@ function createHmdOverlayWindowOffscreen() {
         frame: false,
         show: false,
         webPreferences: {
+            partition: 'vrcx-vr-overlay',
             offscreen: true,
             preload: path.join(__dirname, 'preload.js')
         }