pub unsafe extern "C" fn glDeformationMap3fSGIX(
    target: GLenum,
    u1: GLfloat,
    u2: GLfloat,
    ustride: GLint,
    uorder: GLint,
    v1: GLfloat,
    v2: GLfloat,
    vstride: GLint,
    vorder: GLint,
    w1: GLfloat,
    w2: GLfloat,
    wstride: GLint,
    worder: GLint,
    points: *const GLfloat
)