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221 :: Need help with untraced arrays and glMaterialfv

• enurlyx (orginal) [2013-09-02T13:16:12+02:00] view original

  Hello,

  I do not know how i should provide the params for:

  
  proc glMaterialfv*(face, pname: TGLenum; params: PGLfloat) {.dynlib: dllname,
      importc: "glMaterialfv".}
  Run

  I guess I have to use:

  
  var untracedArray = cast[PGLfloat](alloc0(sizeof(TGLfloat) * 4))
  
  untracedArray[0] = TGLfloat(1.0)  # This does not work.
  untracedArray[1] = TGLfloat(1.0)
  untracedArray[2] = TGLfloat(1.0)
  untracedArray[3] = TGLfloat(0.0)
  
  glMaterialfv(TGLenum(...), TGLenum(...), untracedArray)
  dealloc(untracedArray)
  Run

  How should I do this in the nimrod style? Also i like to know if it is possible to allocate untraced data on the stack?

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