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Fixed in 2020.1

Fixed in 2019.2, 2019.3

Votes

0

Found in

2019.3.0b4

2020.1.0a3

2020.1.0a4

Issue ID

1183719

Regression

Yes

[WindowManagement] NullReferenceException occurs when changing Windows UI scale with the editor open

Window management

-

NullReferenceException is thrown on changing scale factor of the screen from Window's display settings. Refer the attached Video

Steps to reproduce:
1) Create a new project
2) Open display settings in Windows
3) Modify the display scaling percentage

Actual result: NullReferenceException is thrown in the console
Expected result: No errors are thrown in the console

Occurring in: 2019.3.0a3, 2019.3.0b4, 2020.1.0a4
Working fine on: 2019.3.0a2

Environment: Only on Windows

Stack trace:
"NullReferenceException: Object reference not set to an instance of an object
UnityEngine.UIElements.UIR.UIRenderDevice.get_vertexTexturingIsAvailable () (at <0c161f4a982348948bf3df942cd363c9>:0)
UnityEngine.UIElements.UIR.UIRVEShaderInfoAllocator.Construct () (at <0c161f4a982348948bf3df942cd363c9>:0)
UnityEngine.UIElements.UIR.RenderChain.Constructor (UnityEngine.UIElements.IPanel panelObj, UnityEngine.UIElements.UIR.UIRenderDevice deviceObj, UnityEngine.UIElements.UIRAtlasManager atlasMan, UnityEngine.UIElements.UIR.VectorImageManager vectorImageMan) (at <0c161f4a982348948bf3df942cd363c9>:0)
UnityEngine.UIElements.UIR.RenderChain..ctor (UnityEngine.UIElements.IPanel panel, UnityEngine.Shader standardShader) (at <0c161f4a982348948bf3df942cd363c9>:0)
UnityEngine.UIElements.UIRRepaintUpdater.CreateRenderChain () (at <0c161f4a982348948bf3df942cd363c9>:0)
UnityEngine.UIElements.UIRRepaintUpdater.OnPanelChanged (UnityEngine.UIElements.BaseVisualElementPanel obj) (at <0c161f4a982348948bf3df942cd363c9>:0)
UnityEngine.UIElements.BaseVisualTreeUpdater.set_panel (UnityEngine.UIElements.BaseVisualElementPanel value) (at <0c161f4a982348948bf3df942cd363c9>:0)
UnityEngine.UIElements.VisualTreeUpdater.SetUpdater[T] (UnityEngine.UIElements.VisualTreeUpdatePhase phase) (at <0c161f4a982348948bf3df942cd363c9>:0)
UnityEngine.UIElements.VisualTreeUpdater.SetDefaultUpdaters () (at <0c161f4a982348948bf3df942cd363c9>:0)
UnityEngine.UIElements.VisualTreeUpdater..ctor (UnityEngine.UIElements.BaseVisualElementPanel panel) (at <0c161f4a982348948bf3df942cd363c9>:0)
UnityEngine.UIElements.Panel..ctor (UnityEngine.ScriptableObject ownerObject, UnityEngine.UIElements.ContextType contextType, UnityEngine.UIElements.EventDispatcher dispatcher) (at <0c161f4a982348948bf3df942cd363c9>:0)
UnityEngine.UIElements.Panel.CreateEditorPanel (UnityEngine.ScriptableObject ownerObject) (at <0c161f4a982348948bf3df942cd363c9>:0)
UnityEngine.UIElements.UIElementsUtility.FindOrCreateEditorPanel (UnityEngine.ScriptableObject ownerObject) (at <0c161f4a982348948bf3df942cd363c9>:0)
UnityEditor.GUIView.get_panel () (at <134bb6c806f34740a4c731fca89ba780>:0)
UnityEditor.GUIView.SetPosition (UnityEngine.Rect newPos) (at <134bb6c806f34740a4c731fca89ba780>:0)
UnityEditor.HostView.SetPosition (UnityEngine.Rect newPos) (at <134bb6c806f34740a4c731fca89ba780>:0)
UnityEditor.View.set_position (UnityEngine.Rect value) (at <134bb6c806f34740a4c731fca89ba780>:0)
UnityEditor.SplitView.PlaceView (System.Int32 i, System.Single pos, System.Single size) (at <134bb6c806f34740a4c731fca89ba780>:0)
UnityEditor.SplitView.SetupRectsFromSplitter () (at <134bb6c806f34740a4c731fca89ba780>:0)
UnityEditor.SplitView.Reflow () (at <134bb6c806f34740a4c731fca89ba780>:0)
UnityEditor.SplitView.SetPosition (UnityEngine.Rect newPos) (at <134bb6c806f34740a4c731fca89ba780>:0)
UnityEditor.View.set_position (UnityEngine.Rect value) (at <134bb6c806f34740a4c731fca89ba780>:0)
UnityEditor.MainView.SetPosition (UnityEngine.Rect newPos) (at <134bb6c806f34740a4c731fca89ba780>:0)
UnityEditor.View.set_position (UnityEngine.Rect value) (at <134bb6c806f34740a4c731fca89ba780>:0)
UnityEditor.ContainerWindow.OnResize () (at <134bb6c806f34740a4c731fca89ba780>:0)
"

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