GL_SGIX_bali_g_instruments
http://www.opengl.org/registry/specs/SGIX/bali_g_instruments.txt
GL_SGIX_bali_g_instruments

	GL_BALI_NUM_TRIS_CULLED_INSTRUMENT 0x6080
	GL_BALI_NUM_PRIMS_CLIPPED_INSTRUMENT 0x6081
	GL_BALI_NUM_PRIMS_REJECT_INSTRUMENT 0x6082
	GL_BALI_NUM_PRIMS_CLIP_RESULT_INSTRUMENT 0x6083