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      1 # Copyright 2016 Google Inc.
      2 #
      3 # Use of this source code is governed by a BSD-style license that can be
      4 # found in the LICENSE file.
      5 
      6 declare_args() {
      7   skia_use_system_libwebp = is_official_build
      8 }
      9 
     10 import("../third_party.gni")
     11 
     12 if (skia_use_system_libwebp) {
     13   system("libwebp") {
     14     libs = [
     15       "webp",
     16       "webpdemux",
     17     ]
     18   }
     19 } else {
     20   third_party("libwebp") {
     21     public_include_dirs = [ "../externals/libwebp/src" ]
     22 
     23     if (is_android) {
     24       deps = [
     25         "//third_party/cpu-features",
     26       ]
     27     }
     28 
     29     defines = [
     30       # WebP naturally decodes to RGB_565, and we work with BGR_565.
     31       # This makes WebP decode to BGR_565 when we ask for RGB_565.
     32       # (It also swaps the color order for 4444, but we don't care today.)
     33       # TODO: swizzle ourself in SkWebpCodec instead of requiring this non-standard libwebp.
     34       "WEBP_SWAP_16BIT_CSP",
     35     ]
     36 
     37     sources = [
     38       "../externals/libwebp/src/dec/alpha_dec.c",
     39       "../externals/libwebp/src/dec/buffer_dec.c",
     40       "../externals/libwebp/src/dec/frame_dec.c",
     41       "../externals/libwebp/src/dec/idec_dec.c",
     42       "../externals/libwebp/src/dec/io_dec.c",
     43       "../externals/libwebp/src/dec/quant_dec.c",
     44       "../externals/libwebp/src/dec/tree_dec.c",
     45       "../externals/libwebp/src/dec/vp8_dec.c",
     46       "../externals/libwebp/src/dec/vp8l_dec.c",
     47       "../externals/libwebp/src/dec/webp_dec.c",
     48       "../externals/libwebp/src/demux/demux.c",
     49       "../externals/libwebp/src/dsp/alpha_processing.c",
     50       "../externals/libwebp/src/dsp/alpha_processing_mips_dsp_r2.c",
     51       "../externals/libwebp/src/dsp/alpha_processing_neon.c",
     52       "../externals/libwebp/src/dsp/alpha_processing_sse2.c",
     53       "../externals/libwebp/src/dsp/alpha_processing_sse41.c",
     54       "../externals/libwebp/src/dsp/argb.c",
     55       "../externals/libwebp/src/dsp/argb_mips_dsp_r2.c",
     56       "../externals/libwebp/src/dsp/argb_sse2.c",
     57       "../externals/libwebp/src/dsp/cost.c",
     58       "../externals/libwebp/src/dsp/cost_mips32.c",
     59       "../externals/libwebp/src/dsp/cost_mips_dsp_r2.c",
     60       "../externals/libwebp/src/dsp/cost_sse2.c",
     61       "../externals/libwebp/src/dsp/cpu.c",
     62       "../externals/libwebp/src/dsp/dec.c",
     63       "../externals/libwebp/src/dsp/dec_clip_tables.c",
     64       "../externals/libwebp/src/dsp/dec_mips32.c",
     65       "../externals/libwebp/src/dsp/dec_mips_dsp_r2.c",
     66       "../externals/libwebp/src/dsp/dec_neon.c",
     67       "../externals/libwebp/src/dsp/dec_sse2.c",
     68       "../externals/libwebp/src/dsp/dec_sse41.c",
     69       "../externals/libwebp/src/dsp/enc.c",
     70       "../externals/libwebp/src/dsp/enc_avx2.c",
     71       "../externals/libwebp/src/dsp/enc_mips32.c",
     72       "../externals/libwebp/src/dsp/enc_mips_dsp_r2.c",
     73       "../externals/libwebp/src/dsp/enc_msa.c",
     74       "../externals/libwebp/src/dsp/enc_neon.c",
     75       "../externals/libwebp/src/dsp/enc_sse2.c",
     76       "../externals/libwebp/src/dsp/enc_sse41.c",
     77       "../externals/libwebp/src/dsp/filters.c",
     78       "../externals/libwebp/src/dsp/filters_mips_dsp_r2.c",
     79       "../externals/libwebp/src/dsp/filters_msa.c",
     80       "../externals/libwebp/src/dsp/filters_neon.c",
     81       "../externals/libwebp/src/dsp/filters_sse2.c",
     82       "../externals/libwebp/src/dsp/lossless.c",
     83       "../externals/libwebp/src/dsp/lossless_enc.c",
     84       "../externals/libwebp/src/dsp/lossless_enc_mips32.c",
     85       "../externals/libwebp/src/dsp/lossless_enc_mips_dsp_r2.c",
     86       "../externals/libwebp/src/dsp/lossless_enc_msa.c",
     87       "../externals/libwebp/src/dsp/lossless_enc_neon.c",
     88       "../externals/libwebp/src/dsp/lossless_enc_sse2.c",
     89       "../externals/libwebp/src/dsp/lossless_enc_sse41.c",
     90       "../externals/libwebp/src/dsp/lossless_mips_dsp_r2.c",
     91       "../externals/libwebp/src/dsp/lossless_msa.c",
     92       "../externals/libwebp/src/dsp/lossless_neon.c",
     93       "../externals/libwebp/src/dsp/lossless_sse2.c",
     94       "../externals/libwebp/src/dsp/rescaler.c",
     95       "../externals/libwebp/src/dsp/rescaler_mips32.c",
     96       "../externals/libwebp/src/dsp/rescaler_mips_dsp_r2.c",
     97       "../externals/libwebp/src/dsp/rescaler_msa.c",
     98       "../externals/libwebp/src/dsp/rescaler_neon.c",
     99       "../externals/libwebp/src/dsp/rescaler_sse2.c",
    100       "../externals/libwebp/src/dsp/upsampling.c",
    101       "../externals/libwebp/src/dsp/upsampling_mips_dsp_r2.c",
    102       "../externals/libwebp/src/dsp/upsampling_msa.c",
    103       "../externals/libwebp/src/dsp/upsampling_neon.c",
    104       "../externals/libwebp/src/dsp/upsampling_sse2.c",
    105       "../externals/libwebp/src/dsp/yuv.c",
    106       "../externals/libwebp/src/dsp/yuv_mips32.c",
    107       "../externals/libwebp/src/dsp/yuv_mips_dsp_r2.c",
    108       "../externals/libwebp/src/dsp/yuv_sse2.c",
    109       "../externals/libwebp/src/enc/alpha_enc.c",
    110       "../externals/libwebp/src/enc/analysis_enc.c",
    111       "../externals/libwebp/src/enc/backward_references_enc.c",
    112       "../externals/libwebp/src/enc/config_enc.c",
    113       "../externals/libwebp/src/enc/cost_enc.c",
    114       "../externals/libwebp/src/enc/filter_enc.c",
    115       "../externals/libwebp/src/enc/frame_enc.c",
    116       "../externals/libwebp/src/enc/histogram_enc.c",
    117       "../externals/libwebp/src/enc/iterator_enc.c",
    118       "../externals/libwebp/src/enc/near_lossless_enc.c",
    119       "../externals/libwebp/src/enc/picture_csp_enc.c",
    120       "../externals/libwebp/src/enc/picture_enc.c",
    121       "../externals/libwebp/src/enc/picture_psnr_enc.c",
    122       "../externals/libwebp/src/enc/picture_rescale_enc.c",
    123       "../externals/libwebp/src/enc/picture_tools_enc.c",
    124       "../externals/libwebp/src/enc/predictor_enc.c",
    125       "../externals/libwebp/src/enc/quant_enc.c",
    126       "../externals/libwebp/src/enc/syntax_enc.c",
    127       "../externals/libwebp/src/enc/token_enc.c",
    128       "../externals/libwebp/src/enc/tree_enc.c",
    129       "../externals/libwebp/src/enc/vp8l_enc.c",
    130       "../externals/libwebp/src/enc/webp_enc.c",
    131       "../externals/libwebp/src/mux/anim_encode.c",
    132       "../externals/libwebp/src/mux/muxedit.c",
    133       "../externals/libwebp/src/mux/muxinternal.c",
    134       "../externals/libwebp/src/mux/muxread.c",
    135       "../externals/libwebp/src/utils/bit_reader_utils.c",
    136       "../externals/libwebp/src/utils/bit_writer_utils.c",
    137       "../externals/libwebp/src/utils/color_cache_utils.c",
    138       "../externals/libwebp/src/utils/filters_utils.c",
    139       "../externals/libwebp/src/utils/huffman_encode_utils.c",
    140       "../externals/libwebp/src/utils/huffman_utils.c",
    141       "../externals/libwebp/src/utils/quant_levels_dec_utils.c",
    142       "../externals/libwebp/src/utils/quant_levels_utils.c",
    143       "../externals/libwebp/src/utils/random_utils.c",
    144       "../externals/libwebp/src/utils/rescaler_utils.c",
    145       "../externals/libwebp/src/utils/thread_utils.c",
    146       "../externals/libwebp/src/utils/utils.c",
    147     ]
    148   }
    149 }
    150