PFNGLCOMBINEROUTPUTNVPROCDart typedef
        PFNGLCOMBINEROUTPUTNVPROCDart =
     void Function(int stage, int portion, int abOutput, int cdOutput, int sumOutput, int scale, int bias, int abDotProduct, int cdDotProduct, int muxSum)
    
    
    
Implementation
typedef PFNGLCOMBINEROUTPUTNVPROCDart =
    void Function(
      int stage,
      int portion,
      int abOutput,
      int cdOutput,
      int sumOutput,
      int scale,
      int bias,
      int abDotProduct,
      int cdDotProduct,
      int muxSum,
    );