cgProfile = CgGL.cgGLGetLatestProfile(CgGL.CG_GL_VERTEX);
if (cgProfile == CgGL.CG_PROFILE_UNKNOWN
        || cgProfile == CgGL.CG_INVALID_ENUMERANT_ERROR) {

    cgSupport = false;
} else {
//profile will equals int 7001 or CG_PROFILE_VP4

/*
* i have an GeForce 8600 GT and latest nVidia drivers with supporting OpenGL 3
* and CgToolkit 2.1, cg.dll and cgGL.dll i have copy to jre/lib/ext
*/

    cgSupport = true;

    cgContex = CgGL.cgCreateContext();
      cgVertexShader = CgGL.cgCreateProgramFromFile
              (cgContex, CgGL.CG_SOURCE, "CgBasics.cg", cgProfile, "main", null);

// context creates normally
// but:
    try {
        cgVertexShader = CgGL.cgCreateProgramFromStream(cgContex,
                CgGL.CG_SOURCE,new FileInputStream("CgBasics.cg"),cgProfile,"main",null);
    } catch (IOException e) {
        e.printStackTrace();  //To change body of catch statement use File | Settings | File Templates.
    }

// cgVertexShader will not create even if i use CgGL.CreateProgramFromFile(...)
// result will be equals "null"

    CgGL.cgGLLoadProgram(cgVertexShader);

// and after that step cgVertexProgram will equals null

    cgModelViewProj = CgGL.cgGetNamedParameter(cgVertexShader, "modelViewProj");
}

public void yourDefinedMethod(){
   GL gl = GLU.getCurrentGL();
   ...
}

Activate FBO
   Set Othogonal Projection
   Enable passtrhu shader
      For every vertex of the 3D model
         Color (x,y, z)
         drawVertex(s , t )
   Disable passtrhu shader
Deactivate FBO

j=GI width , k=GI height
Activate FBO
   Set Orthogonal Projection
   Enable passtrhu shader
      For every vertex of the 3D model
         Color (x,y, z)
         drawVertex(s , t )
      For j>=8
         Translate (GI width , GI height-k,0)
         j=j /2 , k=k/2
         Scale (j , k, 0)
         For every vertex of the 3D model
            Color (x,y, z)
            drawVertex(s , t )
   Disable passtrhu shader
Deactivate FBO