They are used widely in games. But, not so much elsewhere. Non-game-app designers get upset by the artifacts. I've shipped games using them for UI. We were hapy to tolerate the artifacts in exchange for the 8X memory usage & memory bandwidth reduction (RGBA8888 vs. PVTRC4).
However, I've heard that Netflix was one of the first sponsors of https://github.com/BinomialLLC/basis_universal They are shipping innumerable images to a huge variety of underpowered set top boxes. Totally worth investing in a giant-leap memory optimization.
However, I've heard that Netflix was one of the first sponsors of https://github.com/BinomialLLC/basis_universal They are shipping innumerable images to a huge variety of underpowered set top boxes. Totally worth investing in a giant-leap memory optimization.