ALPHA_PREPROCESSED_LEVELS   68 third_party/libwebp/dec/alpha.c       dec->pre_processing_ > ALPHA_PREPROCESSED_LEVELS ||
ALPHA_PREPROCESSED_LEVELS  110 third_party/libwebp/dec/alpha.c   if (alph_dec->pre_processing_ == ALPHA_PREPROCESSED_LEVELS) {
ALPHA_PREPROCESSED_LEVELS  131 third_party/libwebp/enc/alpha.c   if (reduce_levels) header |= ALPHA_PREPROCESSED_LEVELS << 4;