GL_NV_texture_shader2
http://oss.sgi.com/projects/ogl-sample/registry/NV/texture_shader2.txt
	GL_UNSIGNED_INT_S8_S8_8_8_NV 0x86DA
	GL_UNSIGNED_INT_8_8_S8_S8_REV_NV 0x86DB
	GL_DSDT_MAG_INTENSITY_NV 0x86DC
	GL_DOT_PRODUCT_TEXTURE_3D_NV 0x86EF
	GL_HILO_NV 0x86F4
	GL_DSDT_NV 0x86F5
	GL_DSDT_MAG_NV 0x86F6
	GL_DSDT_MAG_VIB_NV 0x86F7
	GL_HILO16_NV 0x86F8
	GL_SIGNED_HILO_NV 0x86F9
	GL_SIGNED_HILO16_NV 0x86FA
	GL_SIGNED_RGBA_NV 0x86FB
	GL_SIGNED_RGBA8_NV 0x86FC
	GL_SIGNED_RGB_NV 0x86FE
	GL_SIGNED_RGB8_NV 0x86FF
	GL_SIGNED_LUMINANCE_NV 0x8701
	GL_SIGNED_LUMINANCE8_NV 0x8702
	GL_SIGNED_LUMINANCE_ALPHA_NV 0x8703
	GL_SIGNED_LUMINANCE8_ALPHA8_NV 0x8704
	GL_SIGNED_ALPHA_NV 0x8705
	GL_SIGNED_ALPHA8_NV 0x8706
	GL_SIGNED_INTENSITY_NV 0x8707
	GL_SIGNED_INTENSITY8_NV 0x8708
	GL_DSDT8_NV 0x8709
	GL_DSDT8_MAG8_NV 0x870A
	GL_DSDT8_MAG8_INTENSITY8_NV 0x870B
	GL_SIGNED_RGB_UNSIGNED_ALPHA_NV 0x870C
	GL_SIGNED_RGB8_UNSIGNED_ALPHA8_NV 0x870D