# Copyright 2013 The Flutter Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

_source_location = "//flutter/third_party/libjpeg-turbo/src"

if (current_cpu == "arm") {
  import("//build/config/arm.gni")
}

if (is_fuchsia) {
  import("//flutter/tools/fuchsia/gn-sdk/src/gn_configs.gni")
}

if ((current_cpu == "x86" || current_cpu == "x64") && is_fuchsia &&
    !using_fuchsia_sdk) {
  import("//third_party/yasm/yasm_assemble.gni")

  yasm_assemble("simd_asm") {
    defines = []

    if (current_cpu == "x86") {
      sources = [
        "$_source_location/simd/jccolor-mmx.asm",
        "$_source_location/simd/jccolor-sse2.asm",
        "$_source_location/simd/jcgray-mmx.asm",
        "$_source_location/simd/jcgray-sse2.asm",
        "$_source_location/simd/jchuff-sse2.asm",
        "$_source_location/simd/jcsample-mmx.asm",
        "$_source_location/simd/jcsample-sse2.asm",
        "$_source_location/simd/jdcolor-mmx.asm",
        "$_source_location/simd/jdcolor-sse2.asm",
        "$_source_location/simd/jdmerge-mmx.asm",
        "$_source_location/simd/jdmerge-sse2.asm",
        "$_source_location/simd/jdsample-mmx.asm",
        "$_source_location/simd/jdsample-sse2.asm",
        "$_source_location/simd/jfdctflt-3dn.asm",
        "$_source_location/simd/jfdctflt-sse.asm",
        "$_source_location/simd/jfdctfst-mmx.asm",
        "$_source_location/simd/jfdctfst-sse2.asm",
        "$_source_location/simd/jfdctint-mmx.asm",
        "$_source_location/simd/jfdctint-sse2.asm",
        "$_source_location/simd/jidctflt-3dn.asm",
        "$_source_location/simd/jidctflt-sse.asm",
        "$_source_location/simd/jidctflt-sse2.asm",
        "$_source_location/simd/jidctfst-mmx.asm",
        "$_source_location/simd/jidctfst-sse2.asm",
        "$_source_location/simd/jidctint-mmx.asm",
        "$_source_location/simd/jidctint-sse2.asm",
        "$_source_location/simd/jidctred-mmx.asm",
        "$_source_location/simd/jidctred-sse2.asm",
        "$_source_location/simd/jquant-3dn.asm",
        "$_source_location/simd/jquant-mmx.asm",
        "$_source_location/simd/jquant-sse.asm",
        "$_source_location/simd/jquantf-sse2.asm",
        "$_source_location/simd/jquanti-sse2.asm",
        "$_source_location/simd/jsimdcpu.asm",
      ]

      defines += [
        "__x86__",
        "PIC",
      ]
    } else if (current_cpu == "x64") {
      sources = [
        "$_source_location/simd/jccolor-sse2-64.asm",
        "$_source_location/simd/jcgray-sse2-64.asm",
        "$_source_location/simd/jchuff-sse2-64.asm",
        "$_source_location/simd/jcsample-sse2-64.asm",
        "$_source_location/simd/jdcolor-sse2-64.asm",
        "$_source_location/simd/jdmerge-sse2-64.asm",
        "$_source_location/simd/jdsample-sse2-64.asm",
        "$_source_location/simd/jfdctflt-sse-64.asm",
        "$_source_location/simd/jfdctfst-sse2-64.asm",
        "$_source_location/simd/jfdctint-sse2-64.asm",
        "$_source_location/simd/jidctflt-sse2-64.asm",
        "$_source_location/simd/jidctfst-sse2-64.asm",
        "$_source_location/simd/jidctint-sse2-64.asm",
        "$_source_location/simd/jidctred-sse2-64.asm",
        "$_source_location/simd/jquantf-sse2-64.asm",
        "$_source_location/simd/jquanti-sse2-64.asm",
      ]

      defines += [
        "__x86_64__",
        "PIC",
      ]
    }

    defines += [ "ELF" ]
  }
}

config("libjpeg_config") {
  include_dirs = [ _source_location ]
}

static_library("simd") {
  configs += [ ":libjpeg_config" ]

  if (!is_fuchsia || using_fuchsia_sdk) {
    sources = [ "$_source_location/jsimd_none.c" ]
  } else if (current_cpu == "x86") {
    deps = [ ":simd_asm" ]

    sources = [ "$_source_location/simd/jsimd_i386.c" ]
  } else if (current_cpu == "x64") {
    deps = [ ":simd_asm" ]

    sources = [ "$_source_location/simd/jsimd_x86_64.c" ]
  } else if (current_cpu == "arm" && arm_version >= 7 &&
             (arm_use_neon || arm_optionally_use_neon)) {
    sources = [
      "$_source_location/simd/jsimd_arm.c",
      "$_source_location/simd/jsimd_arm_neon.S",
    ]
  } else if (current_cpu == "arm64") {
    sources = [
      "$_source_location/simd/jsimd_arm64.c",
      "$_source_location/simd/jsimd_arm64_neon.S",
    ]
  } else {
    sources = [ "$_source_location/jsimd_none.c" ]
  }
}

static_library("libjpeg") {
  sources = [
    "$_source_location/jcapimin.c",
    "$_source_location/jcapistd.c",
    "$_source_location/jccoefct.c",
    "$_source_location/jccolor.c",
    "$_source_location/jcdctmgr.c",
    "$_source_location/jchuff.c",
    "$_source_location/jcinit.c",
    "$_source_location/jcmainct.c",
    "$_source_location/jcmarker.c",
    "$_source_location/jcmaster.c",
    "$_source_location/jcomapi.c",
    "$_source_location/jcparam.c",
    "$_source_location/jcphuff.c",
    "$_source_location/jcprepct.c",
    "$_source_location/jcsample.c",
    "$_source_location/jdapimin.c",
    "$_source_location/jdapistd.c",
    "$_source_location/jdatadst.c",
    "$_source_location/jdatasrc.c",
    "$_source_location/jdcoefct.c",
    "$_source_location/jdcolor.c",
    "$_source_location/jddctmgr.c",
    "$_source_location/jdhuff.c",
    "$_source_location/jdinput.c",
    "$_source_location/jdmainct.c",
    "$_source_location/jdmarker.c",
    "$_source_location/jdmaster.c",
    "$_source_location/jdmerge.c",
    "$_source_location/jdphuff.c",
    "$_source_location/jdpostct.c",
    "$_source_location/jdsample.c",
    "$_source_location/jerror.c",
    "$_source_location/jfdctflt.c",
    "$_source_location/jfdctfst.c",
    "$_source_location/jfdctint.c",
    "$_source_location/jidctflt.c",
    "$_source_location/jidctfst.c",
    "$_source_location/jidctint.c",
    "$_source_location/jidctred.c",
    "$_source_location/jmemmgr.c",
    "$_source_location/jmemnobs.c",
    "$_source_location/jquant1.c",
    "$_source_location/jquant2.c",
    "$_source_location/jutils.c",
  ]

  defines = [
    "WITH_SIMD",
    "NO_GETENV",
  ]

  configs += [ ":libjpeg_config" ]

  public_configs = [ ":libjpeg_config" ]

  deps = [ ":simd" ]
}