Draw operation bounds are Normalized.

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

@@ -11,7 +11,10 @@ namespace Avalonia.Rendering.SceneGraph
     {
         public DrawOperation(Rect bounds, Matrix transform)
         {
+            bounds = bounds.Normalize();
+
             bounds = bounds.TransformToAABB(transform);
+
             Bounds = new Rect(
                 new Point(Math.Floor(bounds.X), Math.Floor(bounds.Y)),
                 new Point(Math.Ceiling(bounds.Right), Math.Ceiling(bounds.Bottom)));