# Copyright 2016 Google Inc.
#
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

declare_args() {
  skia_use_system_libwebp = false
}

import("../third_party.gni")

if (skia_use_system_libwebp) {
  system("libwebp") {
    libs = [
      "webp",
      "webpdemux",
    ]
  }
} else {
  third_party("libwebp") {
    public_include_dirs = [ "../externals/libwebp/src" ]

    if (is_android) {
      deps = [
        "//third_party/cpu-features",
      ]
    }

    defines = [
      # WebP naturally decodes to RGB_565, and we work with BGR_565.
      # This makes WebP decode to BGR_565 when we ask for RGB_565.
      # (It also swaps the color order for 4444, but we don't care today.)
      # TODO: swizzle ourself in SkWebpCodec instead of requiring this non-standard libwebp.
      "WEBP_SWAP_16BIT_CSP",
    ]

    sources = [
      "../externals/libwebp/src/dec/alpha.c",
      "../externals/libwebp/src/dec/buffer.c",
      "../externals/libwebp/src/dec/frame.c",
      "../externals/libwebp/src/dec/idec.c",
      "../externals/libwebp/src/dec/io.c",
      "../externals/libwebp/src/dec/quant.c",
      "../externals/libwebp/src/dec/tree.c",
      "../externals/libwebp/src/dec/vp8.c",
      "../externals/libwebp/src/dec/vp8l.c",
      "../externals/libwebp/src/dec/webp.c",
      "../externals/libwebp/src/demux/demux.c",
      "../externals/libwebp/src/dsp/alpha_processing.c",
      "../externals/libwebp/src/dsp/alpha_processing_mips_dsp_r2.c",
      "../externals/libwebp/src/dsp/alpha_processing_sse2.c",
      "../externals/libwebp/src/dsp/alpha_processing_sse41.c",
      "../externals/libwebp/src/dsp/argb.c",
      "../externals/libwebp/src/dsp/argb_mips_dsp_r2.c",
      "../externals/libwebp/src/dsp/argb_sse2.c",
      "../externals/libwebp/src/dsp/cost.c",
      "../externals/libwebp/src/dsp/cost_mips32.c",
      "../externals/libwebp/src/dsp/cost_mips_dsp_r2.c",
      "../externals/libwebp/src/dsp/cost_sse2.c",
      "../externals/libwebp/src/dsp/cpu.c",
      "../externals/libwebp/src/dsp/dec.c",
      "../externals/libwebp/src/dsp/dec_clip_tables.c",
      "../externals/libwebp/src/dsp/dec_mips32.c",
      "../externals/libwebp/src/dsp/dec_mips_dsp_r2.c",
      "../externals/libwebp/src/dsp/dec_neon.c",
      "../externals/libwebp/src/dsp/dec_sse2.c",
      "../externals/libwebp/src/dsp/dec_sse41.c",
      "../externals/libwebp/src/dsp/enc.c",
      "../externals/libwebp/src/dsp/enc_avx2.c",
      "../externals/libwebp/src/dsp/enc_mips32.c",
      "../externals/libwebp/src/dsp/enc_mips_dsp_r2.c",
      "../externals/libwebp/src/dsp/enc_neon.c",
      "../externals/libwebp/src/dsp/enc_sse2.c",
      "../externals/libwebp/src/dsp/enc_sse41.c",
      "../externals/libwebp/src/dsp/filters.c",
      "../externals/libwebp/src/dsp/filters_mips_dsp_r2.c",
      "../externals/libwebp/src/dsp/filters_sse2.c",
      "../externals/libwebp/src/dsp/lossless.c",
      "../externals/libwebp/src/dsp/lossless_enc.c",
      "../externals/libwebp/src/dsp/lossless_enc_mips32.c",
      "../externals/libwebp/src/dsp/lossless_enc_mips_dsp_r2.c",
      "../externals/libwebp/src/dsp/lossless_enc_neon.c",
      "../externals/libwebp/src/dsp/lossless_enc_sse2.c",
      "../externals/libwebp/src/dsp/lossless_enc_sse41.c",
      "../externals/libwebp/src/dsp/lossless_mips_dsp_r2.c",
      "../externals/libwebp/src/dsp/lossless_neon.c",
      "../externals/libwebp/src/dsp/lossless_sse2.c",
      "../externals/libwebp/src/dsp/rescaler.c",
      "../externals/libwebp/src/dsp/rescaler_mips32.c",
      "../externals/libwebp/src/dsp/rescaler_mips_dsp_r2.c",
      "../externals/libwebp/src/dsp/rescaler_neon.c",
      "../externals/libwebp/src/dsp/rescaler_sse2.c",
      "../externals/libwebp/src/dsp/upsampling.c",
      "../externals/libwebp/src/dsp/upsampling_mips_dsp_r2.c",
      "../externals/libwebp/src/dsp/upsampling_neon.c",
      "../externals/libwebp/src/dsp/upsampling_sse2.c",
      "../externals/libwebp/src/dsp/yuv.c",
      "../externals/libwebp/src/dsp/yuv_mips32.c",
      "../externals/libwebp/src/dsp/yuv_mips_dsp_r2.c",
      "../externals/libwebp/src/dsp/yuv_sse2.c",
      "../externals/libwebp/src/enc/alpha.c",
      "../externals/libwebp/src/enc/analysis.c",
      "../externals/libwebp/src/enc/backward_references.c",
      "../externals/libwebp/src/enc/config.c",
      "../externals/libwebp/src/enc/cost.c",
      "../externals/libwebp/src/enc/filter.c",
      "../externals/libwebp/src/enc/frame.c",
      "../externals/libwebp/src/enc/histogram.c",
      "../externals/libwebp/src/enc/iterator.c",
      "../externals/libwebp/src/enc/near_lossless.c",
      "../externals/libwebp/src/enc/picture.c",
      "../externals/libwebp/src/enc/picture_csp.c",
      "../externals/libwebp/src/enc/picture_psnr.c",
      "../externals/libwebp/src/enc/picture_rescale.c",
      "../externals/libwebp/src/enc/picture_tools.c",
      "../externals/libwebp/src/enc/quant.c",
      "../externals/libwebp/src/enc/syntax.c",
      "../externals/libwebp/src/enc/token.c",
      "../externals/libwebp/src/enc/tree.c",
      "../externals/libwebp/src/enc/vp8l.c",
      "../externals/libwebp/src/enc/webpenc.c",
      "../externals/libwebp/src/utils/bit_reader.c",
      "../externals/libwebp/src/utils/bit_writer.c",
      "../externals/libwebp/src/utils/color_cache.c",
      "../externals/libwebp/src/utils/filters.c",
      "../externals/libwebp/src/utils/huffman.c",
      "../externals/libwebp/src/utils/huffman_encode.c",
      "../externals/libwebp/src/utils/quant_levels.c",
      "../externals/libwebp/src/utils/quant_levels_dec.c",
      "../externals/libwebp/src/utils/random.c",
      "../externals/libwebp/src/utils/rescaler.c",
      "../externals/libwebp/src/utils/thread.c",
      "../externals/libwebp/src/utils/utils.c",
    ]
  }
}