PFNGLGETSUBROUTINEUNIFORMLOCATIONPROCDart typedef
        PFNGLGETSUBROUTINEUNIFORMLOCATIONPROCDart =
     int Function(int program, int shadertype, Pointer<Utf8>  name)
    
    
    
Implementation
typedef PFNGLGETSUBROUTINEUNIFORMLOCATIONPROCDart =
    int Function(int program, int shadertype, Pointer<Utf8> name);