GL_SGIX_fragment_lighting_space
https://www.khronos.org/registry/OpenGL/extensions/SGIX/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