Method Blue

externals/bc_decoder/bc_decoder.cpp:968–970

            }

            constexpr Bitfield Blue(int idx) const {
                return Green(NumColors() - 1).Then(CB * idx).Then(CB);
            }

            constexpr Bitfield Alpha(int idx) const {
                return Blue(NumColors() - 1).Then(AB * idx).Then(AB);