Graphics.Rendering.OpenGL.Raw.SGIS.PointLineTexgen
gl_EYE_DISTANCE_TO_LINE_SGIS
gl_EYE_DISTANCE_TO_POINT_SGIS
gl_EYE_LINE_SGIS
gl_EYE_POINT_SGIS
gl_OBJECT_DISTANCE_TO_LINE_SGIS
gl_OBJECT_DISTANCE_TO_POINT_SGIS
gl_OBJECT_LINE_SGIS
gl_OBJECT_POINT_SGIS