diff --git a/Source/Editor/GUI/Docking/DockPanel.cs b/Source/Editor/GUI/Docking/DockPanel.cs
index 74f2d5ab0..f968c2501 100644
--- a/Source/Editor/GUI/Docking/DockPanel.cs
+++ b/Source/Editor/GUI/Docking/DockPanel.cs
@@ -124,7 +124,7 @@ namespace FlaxEditor.GUI.Docking
                     throw new InvalidOperationException("Missing parent window.");
                 var control = _tabsProxy != null ? (Control)_tabsProxy : this;
                 var clientPos = control.PointToWindow(Vector2.Zero);
-                return new Rectangle(parentWin.PointToScreen(clientPos), control.Size * RootWindow.DpiScale);
+                return new Rectangle(parentWin.PointToScreen(clientPos), control.Size * DpiScale);
             }
         }
 
diff --git a/Source/Editor/Surface/ContextMenu/ContentFinder.cs b/Source/Editor/Surface/ContextMenu/ContentFinder.cs
index 6089c2ca7..fc0f43472 100644
--- a/Source/Editor/Surface/ContextMenu/ContentFinder.cs
+++ b/Source/Editor/Surface/ContextMenu/ContentFinder.cs
@@ -108,7 +108,7 @@ namespace FlaxEditor.Surface.ContextMenu
         {
             _resultPanel.DisposeChildren();
 
-            var dpiScale = RootWindow.DpiScale;
+            var dpiScale = DpiScale;
 
             if (items.Count == 0)
             {
diff --git a/Source/Engine/UI/GUI/Common/RichTextBoxBase.cs b/Source/Engine/UI/GUI/Common/RichTextBoxBase.cs
index 4844cc880..0ef44594b 100644
--- a/Source/Engine/UI/GUI/Common/RichTextBoxBase.cs
+++ b/Source/Engine/UI/GUI/Common/RichTextBoxBase.cs
@@ -124,7 +124,7 @@ namespace FlaxEngine.GUI
                 var font = textBlock.Style.Font.GetFont();
                 if (font)
                 {
-                    height = font.Height / RootWindow.DpiScale;
+                    height = font.Height / DpiScale;
                     return textBlock.Bounds.UpperLeft;
                 }
             }
@@ -136,7 +136,7 @@ namespace FlaxEngine.GUI
                 var font = textBlock.Style.Font.GetFont();
                 if (font)
                 {
-                    height = font.Height / RootWindow.DpiScale;
+                    height = font.Height / DpiScale;
                     return textBlock.Bounds.UpperRight;
                 }
             }
@@ -151,7 +151,7 @@ namespace FlaxEngine.GUI
                     var font = textBlock.Style.Font.GetFont();
                     if (!font)
                         break;
-                    height = font.Height / RootWindow.DpiScale;
+                    height = font.Height / DpiScale;
                     return textBlock.Bounds.Location + font.GetCharPosition(_text, ref textBlock.Range, index - textBlock.Range.StartIndex);
                 }
             }
@@ -166,7 +166,7 @@ namespace FlaxEngine.GUI
                     var font = textBlock.Style.Font.GetFont();
                     if (!font)
                         break;
-                    height = font.Height / RootWindow.DpiScale;
+                    height = font.Height / DpiScale;
                     return textBlock.Bounds.UpperRight;
                 }
             }
@@ -280,7 +280,7 @@ namespace FlaxEngine.GUI
                 {
                     Vector2 leftEdge = selection.StartIndex <= textBlock.Range.StartIndex ? textBlock.Bounds.UpperLeft : font.GetCharPosition(_text, selection.StartIndex);
                     Vector2 rightEdge = selection.EndIndex >= textBlock.Range.EndIndex ? textBlock.Bounds.UpperRight : font.GetCharPosition(_text, selection.EndIndex);
-                    float height = font.Height / RootWindow.DpiScale;
+                    float height = font.Height / DpiScale;
                     float alpha = Mathf.Min(1.0f, Mathf.Cos(_animateTime * BackgroundSelectedFlashSpeed) * 0.5f + 1.3f);
                     alpha *= alpha;
                     Color selectionColor = Color.White * alpha;
@@ -330,7 +330,7 @@ namespace FlaxEngine.GUI
                 if (textBlock.Style.UnderlineBrush != null)
                 {
                     var underLineHeight = 2.0f;
-                    var height = font.Height / RootWindow.DpiScale;
+                    var height = font.Height / DpiScale;
                     var underlineRect = new Rectangle(textBlock.Bounds.Location.X, textBlock.Bounds.Location.Y + height - underLineHeight * 0.5f, textBlock.Bounds.Width, underLineHeight);
                     textBlock.Style.UnderlineBrush.Draw(underlineRect, textBlock.Style.Color);
                 }
diff --git a/Source/Engine/UI/GUI/Common/TextBox.cs b/Source/Engine/UI/GUI/Common/TextBox.cs
index f454159ec..0a6f11660 100644
--- a/Source/Engine/UI/GUI/Common/TextBox.cs
+++ b/Source/Engine/UI/GUI/Common/TextBox.cs
@@ -107,7 +107,7 @@ namespace FlaxEngine.GUI
                 return Vector2.Zero;
             }
 
-            height = font.Height / RootWindow.DpiScale;
+            height = font.Height / DpiScale;
             return font.GetCharPosition(_text, index, ref _layout);
         }
 
@@ -159,7 +159,7 @@ namespace FlaxEngine.GUI
             {
                 Vector2 leftEdge = font.GetCharPosition(_text, SelectionLeft, ref _layout);
                 Vector2 rightEdge = font.GetCharPosition(_text, SelectionRight, ref _layout);
-                float fontHeight = font.Height / RootWindow.DpiScale;
+                float fontHeight = font.Height / DpiScale;
 
                 // Draw selection background
                 float alpha = Mathf.Min(1.0f, Mathf.Cos(_animateTime * BackgroundSelectedFlashSpeed) * 0.5f + 1.3f);
diff --git a/Source/Engine/UI/GUI/Control.cs b/Source/Engine/UI/GUI/Control.cs
index 3062c3088..fb6424b58 100644
--- a/Source/Engine/UI/GUI/Control.cs
+++ b/Source/Engine/UI/GUI/Control.cs
@@ -312,6 +312,11 @@ namespace FlaxEngine.GUI
         /// </summary>
         public virtual WindowRootControl RootWindow => _root?.RootWindow;
 
+        /// <summary>
+        /// Gets the control DPI scale factor (1 is default). Includes custom DPI scale.
+        /// </summary>
+        public float DpiScale => _root?.RootWindow?.DpiScale ?? Platform.DpiScale;
+
         /// <summary>
         /// Gets screen position of the control (upper left corner).
         /// </summary>
diff --git a/Source/Engine/UI/GUI/RenderOutputControl.cs b/Source/Engine/UI/GUI/RenderOutputControl.cs
index c12b1844e..9a7f6dfb1 100644
--- a/Source/Engine/UI/GUI/RenderOutputControl.cs
+++ b/Source/Engine/UI/GUI/RenderOutputControl.cs
@@ -224,7 +224,7 @@ namespace FlaxEngine.GUI
         /// </summary>
         public void SyncBackbufferSize()
         {
-            float scale = ResolutionScale * (RootWindow?.DpiScale ?? Platform.DpiScale);
+            float scale = ResolutionScale * DpiScale;
             int width = Mathf.CeilToInt(Width * scale);
             int height = Mathf.CeilToInt(Height * scale);
             if (_customResolution.HasValue)