Preserve Visual's size in render node and pass it to ThreadSafeRender

src/Avalonia.Visuals/Rendering/DeferredRenderer.cs

@@ -326,11 +326,8 @@ namespace Avalonia.Rendering
             using (var fullCtx = new DrawingContext(context, false))
             using (fullCtx.PushPostTransform(node.Transform))
             using (fullCtx.PushTransformContainer())
-                critical.ThreadSafeRender(fullCtx, node.Bounds.Size, scaling);
+                critical.ThreadSafeRender(fullCtx, node.VisualSize, scaling);
             context.Transform = savedTransform;
-
-            //critical.ThreadSafeRender()
-
         }
 
         private void Render(IDrawingContextImpl context, VisualNode node, IVisual layer, Rect clipBounds)

src/Avalonia.Visuals/Rendering/SceneGraph/IVisualNode.cs

@@ -43,6 +43,11 @@ namespace Avalonia.Rendering.SceneGraph
         /// Gets the layout bounds for the node in global coordinates.
         /// </summary>
         Rect LayoutBounds { get; }
+        
+        /// <summary>
+        /// Gets the original visual size before transformations
+        /// </summary>
+        Size VisualSize { get; }
 
         /// <summary>
         /// Whether the node is clipped to <see cref="ClipBounds"/>.

src/Avalonia.Visuals/Rendering/SceneGraph/SceneBuilder.cs

@@ -181,6 +181,7 @@ namespace Avalonia.Rendering.SceneGraph
                     node.ClipBounds = clipBounds;
                     node.ClipToBounds = clipToBounds;
                     node.LayoutBounds = globalBounds;
+                    node.VisualSize = visual.Bounds.Size;
                     node.GeometryClip = visual.Clip?.PlatformImpl;
                     node.Opacity = opacity;
 

src/Avalonia.Visuals/Rendering/SceneGraph/VisualNode.cs

@@ -60,6 +60,9 @@ namespace Avalonia.Rendering.SceneGraph
 
         /// <inheritdoc/>
         public Rect LayoutBounds { get; set; }
+        
+        /// <inheritdoc/>
+        public Size VisualSize { get; set; }
 
         /// <inheritdoc/>
         public bool ClipToBounds { get; set; }
@@ -221,6 +224,7 @@ namespace Avalonia.Rendering.SceneGraph
                 ClipBounds = ClipBounds,
                 ClipToBounds = ClipToBounds,
                 LayoutBounds = LayoutBounds,
+                VisualSize = VisualSize,
                 GeometryClip = GeometryClip,
                 _opacity = Opacity,
                 OpacityMask = OpacityMask,