Metal runtime compile error (iOS 13 beta

App & System Services Core OS
Olli Wang OP
Created Aug ’19
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Hi. It seems "MTLDevice newLibraryWithData:error:" would cause runtime error while running on iOS 13 simulator with Xcode 11.


I tried to create a new project and called this method only, and the same error showed in the logging as always.

I also tried to remove the DerivedData folder, clean build folder, restarted my computer, etc. None is working.

Any idea how to fix it? Thanks.


Error: PCH file built from a different branch ((metalfe-902.9.49)) than the compiler ((metalfe-902.9.52))

Replies  2
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trojanfoe OP
Aug ’19

Me too; I am playing with cocos2d-x v4 branch which translates glsl to msl and works fine on an iOS device. Did you have any luck with this?

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trojanfoe OP
Aug ’19

This is solved in Xcode 11 beta 6.

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Metal runtime compile error (iOS 13 beta
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