With a certain combination of styles, this error happens and breaks the UI until the project is restarted:
[Interop] Cannot be less than 1 (Parameter 'threadsX') System.ArgumentException: Cannot be less than 1 (Parameter 'threadsX')
at Sandbox.Graphics.GenerateMipMaps(Texture texture, DownsampleMethod downsampleMethod, Int32 initialMip, Int32 numMips) in C:\build\_work\sbox\sbox\engine\Sandbox.Engine\Render\Graphics.MipmapGen.cs:line 80
at Sandbox.UI.PanelRenderer.CopyFrameBufferCached(Rect rect) in C:\build\_work\sbox\sbox\engine\Sandbox.Game\UI2\Render\PanelRenderer.Backdrop.cs:line 42
at Sandbox.UI.PanelRenderer.DrawBackdropFilters(Panel panel, RenderState& state) in C:\build\_work\sbox\sbox\engine\Sandbox.Game\UI2\Render\PanelRenderer.Backdrop.cs:line 83
at Sandbox.UI.Panel.DrawBackground(PanelRenderer renderer, RenderState& state) in C:\build\_work\sbox\sbox\engine\Sandbox.Game\UI2\Panel\Panel.Render.cs:line 15
at Sandbox.UI.PanelRenderer.Render(Panel panel, RenderState state) in C:\build\_work\sbox\sbox\engine\Sandbox.Game\UI2\Render\PanelRenderer.cs:line 69
at Sandbox.UI.Panel.RenderChildren(PanelRenderer render, RenderState& state) in C:\build\_work\sbox\sbox\engine\Sandbox.Game\UI2\Panel\Panel.Render.cs:line 245
at Sandbox.UI.PanelRenderer.Render(Panel panel, RenderState state) in C:\build\_work\sbox\sbox\engine\Sandbox.Game\UI2\Render\PanelRenderer.cs:line 91
at Sandbox.UI.Panel.RenderChildren(PanelRenderer render, RenderState& state) in C:\build\_work\sbox\sbox\engine\Sandbox.Game\UI2\Panel\Panel.Render.cs:line 245
at Sandbox.UI.PanelRenderer.Render(Panel panel, RenderState state) in C:\build\_work\sbox\sbox\engine\Sandbox.Game\UI2\Render\PanelRenderer.cs:line 91
at Sandbox.UI.Panel.RenderChildren(PanelRenderer render, RenderState& state) in C:\build\_work\sbox\sbox\engine\Sandbox.Game\UI2\Panel\Panel.Render.cs:line 245
at Sandbox.UI.PanelRenderer.Render(Panel panel, RenderState state) in C:\build\_work\sbox\sbox\engine\Sandbox.Game\UI2\Render\PanelRenderer.cs:line 91
at Sandbox.UI.PanelRenderer.Render(RootPanel panel, Single opacity) in C:\build\_work\sbox\sbox\engine\Sandbox.Game\UI2\Render\PanelRenderer.cs:line 29
at Sandbox.GameInstanceDll.RenderUI() in C:\build\_work\sbox\sbox\engine\Sandbox.GameInstance\GameInstanceDll.cs:line 341
at Sandbox.Graphics.OnLayer(Int32 stageenum, ManagedRenderSetup_t setup) in C:\build\_work\sbox\sbox\engine\Sandbox.Engine\Render\Graphics.Hooks.cs:line 23
at Managed.SandboxEngine.Exports.Sandbox_Graphics_OnLayer(Int32 renderHookStage, ManagedRenderSetup_t setup) in C:\build\_work\sbox\sbox\engine\Sandbox.Engine\Interop.Engine.cs:line 13063
The combination that causes the error seems to be an element with:
no width and/or no height,
padding, backdrop-filter: blur, and filter: drop-shadow
With a certain combination of styles, this error happens and breaks the UI until the project is restarted:
The combination that causes the error seems to be an element with:
backdrop-filter: blur
, andfilter: drop-shadow
Here's a test project with the error happening: ui_error_test.zip