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  1. Qt
  2. QTBUG-128672

Qt warning "Failed to build graphics pipeline state" with Metal RHI

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Details

    • Bug
    • Resolution: Unresolved
    • P2: Important
    • None
    • 6.7.2, 6.7.3
    • Qt RHI
    • None
    • macOS

    Description

      After we switched to Metal RHI on macOS, I started noticing new Qt warnings in our automated tracking system.

      Failed to build graphics pipeline state
      
      Failed to create render pipeline state: Attribute 7 refers to a buffer index 3 that is not valid.
      

      The second one only seems to happen on certain Macs with Intel processors, such as
      iMac 27" (2014/2015)
      MacBook Pro 15" (Retina, Mid-2015, B)
      MacBook Air 13" (2015/2017)
      MacBook Pro 13" (Retina, Touch, 2018/2019)

      It doesn't seem related to specific macOS version. There are cases on any macOS between 14.1.1 - 14.6.1

      Since this happens only on users' side, I have no any simple reproducer.

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            lagocs Laszlo Agocs
            studiosus Vladimir Belyavsky
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            Dates

              Created:
              Updated:

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