GL_SGIX_fragment_lighting_space
http://www.opengl.org/registry/specs/SGIX/fragment_lighting_space.txt
GL_SGIX_fragment_lighting_space

	GL_EYE_SPACE_SGIX 0x8436
	GL_TANGENT_SPACE_SGIX 0x8437
	GL_OBJECT_SPACE_SGIX 0x8438
	GL_FRAGMENT_LIGHT_SPACE_SGIX 0x843D