WEBP_FILTER_FAST  194 third_party/libwebp/enc/alpha.c   if (filter == WEBP_FILTER_FAST) {
WEBP_FILTER_FAST  286 third_party/libwebp/enc/alpha.c   assert(filter >= WEBP_FILTER_NONE && filter <= WEBP_FILTER_FAST);
WEBP_FILTER_FAST  342 third_party/libwebp/enc/alpha.c       (config->alpha_filtering == 1) ? WEBP_FILTER_FAST :