using vertexAttribPointer results in error &quot;user error (unknown OpenGL extension entry glVertexAttribIPointer, check for OpenGL 3.1)&quot;<div><br></div><div>the exact code was:</div><div> vertexAttribPointer (AttribLocation 1) $= (KeepIntegral, (VertexArrayDescriptor 3 Float ((4) *10) (plusPtr nullPtr (0*4))))<div>
<br></div><div>according to </div><div>version ←  get (majorMinor glVersion)</div><div>The version is 2.0</div><div>The OpenGl Spec states that vertexAttribPointer was added in version 2.0 so I am not certain of the problem any thoughts?</div>
<div><div><div><br></div></div></div></div>