Unity Attempting to use OpenGLCore even when set to Metal

Hey folks!

I'm seeing an issue on a Mac running macOS High Sierra (10.13.6) and Unity 2019.3.6f1 on a project using HDRP where we've set our Project Settings to use Metal only, but nothing renders properly in the Scene View and we're getting spammed with console messages:

• Platform StandaloneOSX with device OpenGLCore is not supported, no rendering will occur (UnityEngine.GUIUtility: ProcessEvent(Int32, IntPtr) (at /Users/builduser/buildslave/unity/build/Modules/IMGUI/GUIUtility.cs:187)
• Use Metal API instead (UnityEngine.GUIUtility: ProcessEvent(Int32, IntPtr) (at /Users/builduser/buildslave/unity/build/Modules/IMGUI/GUIUtility.cs:187)

When attempting to create a build to get more information, we get this:

BuildFailedException: The platform StandaloneOSX with the graphic API OpenGLCore is not supported with High Definition Render Pipeline
UnityEditor.Rendering.HighDefinition.HDRPPreprocessBuild.OnPreprocessBuild (UnityEditor.Build.Reporting.BuildReport report) (at Library/PackageCache/com.unity.render-pipelines.high-definition@7.1.8/Editor/BuildProcessors/HDRPPreprocessBuild.cs:50)
UnityEditor.Build.BuildPipelineInterfaces+<>c__DisplayClass15_0.<OnBuildPreProcess>b__1 (UnityEditor.Build.IPreprocessBuildWithReport bpp) (at /Users/builduser/buildslave/unity/build/Editor/Mono/BuildPipeline/BuildPipelineInterfaces.cs:411)
UnityEditor.Build.BuildPipelineInterfaces.InvokeCallbackInterfacesPair[T1,T2] (System.Collections.Generic.List`1[T] oneInterfaces, System.Action`1[T] invocationOne, System.Collections.Generic.List`1[T] twoInterfaces, System.Action`1[T] invocationTwo, System.Boolean exitOnFailure) (at /Users/builduser/buildslave/unity/build/Editor/Mono/BuildPipeline/BuildPipelineInterfaces.cs:391)
UnityEditor.BuildPlayerWindow:BuildPlayerAndRun() (at /Users/builduser/buildslave/unity/build/Editor/Mono/BuildPlayerWindow.cs:123)​

I don't know why it's trying to use OpenGLCore, as the Project Settings specifically don't have it set.



Is there anything I"m doing wrong?

Thanks!

 

Sorry to bump this, but I still can't find a reason why Unity would insist on using OpenGLCore when it's specifically set to use Metal, and it's really hindering us.

 

SOLVED

This is happening on Macs built before 2012, because they have hardware older than what Metal supports. :/