https://www.khronos.org/registry/gles/extensions/KHR/texture_compression_astc_hdr.txt
http://www.itu.int/rec/R-REC-BT.601/en
http://www.itu.int/rec/R-REC-BT.709-5-200204-I/en
http://www.itu.int/rec/R-REC-BT.2020/en
http://cie.co.at/index.php?i_ca_id=823
http://www.oscars.org/science-technology/sci-tech-projects/aces
http://www.w3.org/Graphics/Color/srgb