GL_SGIX_bali_r_instruments
https://www.khronos.org/registry/OpenGL/extensions/SGIX/SGIX_bali_r_instruments.txt
GL_BALI_FRAGMENTS_GENERATED_INSTRUMENT 0x6090
GL_BALI_DEPTH_PASS_INSTRUMENT 0x6091
GL_BALI_R_CHIP_COUNT 0x6092