| # Copyright 2014 The Chromium Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| import("//build/config/arm.gni") |
| import("//build/config/android/config.gni") |
| import("//build/config/chrome_build.gni") |
| import("//third_party/libvpx/libvpx_srcs.gni") |
| import("//third_party/yasm/yasm_assemble.gni") |
| |
| # Sets the architecture name for building libvpx. |
| if (current_cpu == "x86") { |
| cpu_arch_full = "ia32" |
| } else if (current_cpu == "x64") { |
| if (is_msan) { |
| cpu_arch_full = "generic" |
| } else { |
| cpu_arch_full = "x64" |
| } |
| } else if (current_cpu == "arm") { |
| if (arm_use_neon) { |
| cpu_arch_full = "arm-neon" |
| } else if (is_android) { |
| cpu_arch_full = "arm-neon-cpu-detect" |
| } else { |
| cpu_arch_full = "arm" |
| } |
| } else { |
| cpu_arch_full = current_cpu |
| } |
| |
| if (is_nacl) { |
| platform_include_dir = "//third_party/libvpx/source/config/nacl" |
| } else { |
| if (is_posix && !is_mac) { |
| os_category = "linux" |
| } else { |
| os_category = current_os |
| } |
| platform_include_dir = |
| "//third_party/libvpx/source/config/$os_category/$cpu_arch_full" |
| } |
| |
| config("libvpx_config") { |
| include_dirs = [ |
| "//third_party/libvpx/source/config", |
| platform_include_dir, |
| "//third_party/libvpx/source/libvpx", |
| "$root_gen_dir/third_party/libvpx", # Provides vpx_rtcd.h. |
| ] |
| } |
| |
| # gn orders flags on a target before flags from configs. The default config |
| # adds -Wall, and these flags have to be after -Wall -- so they need to come |
| # from a config and can't be on the target directly. |
| config("libvpx_warnings") { |
| if (is_clang) { |
| cflags = [ |
| # libvpx heavily relies on implicit enum casting. |
| "-Wno-conversion", |
| # libvpx does `if ((a == b))` in some places. |
| "-Wno-parentheses-equality", |
| # libvpx has many static functions in header, which trigger this warning. |
| "-Wno-unused-function", |
| ] |
| } else if (!is_win) { |
| cflags = [ "-Wno-unused-function", "-Wno-sign-compare" ] |
| } |
| } |
| |
| # This config is applied to targets that depend on libvpx. |
| config("libvpx_external_config") { |
| include_dirs = [ |
| "//third_party/libvpx/source/libvpx", |
| ] |
| } |
| |
| if (current_cpu == "x86" || current_cpu == "x64") { |
| yasm_assemble("libvpx_yasm") { |
| if (current_cpu == "x86") { |
| sources = libvpx_srcs_x86_assembly |
| } else if (current_cpu == "x64") { |
| sources = libvpx_srcs_x86_64_assembly |
| } |
| |
| defines = [ "CHROMIUM" ] |
| include_dirs = [ |
| platform_include_dir, |
| "//third_party/libvpx/source/config", |
| "//third_party/libvpx/source/libvpx", |
| target_gen_dir |
| ] |
| } |
| } |
| |
| static_library("libvpx_intrinsics_mmx") { |
| configs += [ ":libvpx_config" ] |
| configs -= [ "//build/config/compiler:chromium_code" ] |
| configs += [ "//build/config/compiler:no_chromium_code" ] |
| configs += [ ":libvpx_warnings" ] |
| if (!is_win) { |
| cflags = [ "-mmmx" ] |
| } |
| if (current_cpu == "x86") { |
| sources = libvpx_srcs_x86_mmx |
| } else if (current_cpu == "x64") { |
| sources = libvpx_srcs_x86_64_mmx |
| } |
| } |
| |
| static_library("libvpx_intrinsics_sse2") { |
| configs += [ ":libvpx_config" ] |
| configs -= [ "//build/config/compiler:chromium_code" ] |
| configs += [ "//build/config/compiler:no_chromium_code" ] |
| configs += [ ":libvpx_warnings" ] |
| if (!is_win || is_clang) { |
| cflags = [ "-msse2" ] |
| } |
| if (current_cpu == "x86") { |
| sources = libvpx_srcs_x86_sse2 |
| } else if (current_cpu == "x64") { |
| sources = libvpx_srcs_x86_64_sse2 |
| } |
| } |
| |
| static_library("libvpx_intrinsics_ssse3") { |
| configs += [ ":libvpx_config" ] |
| configs -= [ "//build/config/compiler:chromium_code" ] |
| configs += [ "//build/config/compiler:no_chromium_code" ] |
| configs += [ ":libvpx_warnings" ] |
| if (!is_win || is_clang) { |
| cflags = [ "-mssse3" ] |
| } |
| if (current_cpu == "x86") { |
| sources = libvpx_srcs_x86_ssse3 |
| } else if (current_cpu == "x64") { |
| sources = libvpx_srcs_x86_64_ssse3 |
| } |
| } |
| |
| static_library("libvpx_intrinsics_sse4_1") { |
| configs += [ ":libvpx_config" ] |
| configs -= [ "//build/config/compiler:chromium_code" ] |
| configs += [ "//build/config/compiler:no_chromium_code" ] |
| configs += [ ":libvpx_warnings" ] |
| if (!is_win || is_clang) { |
| cflags = [ "-msse4.1" ] |
| } |
| if (current_cpu == "x86") { |
| sources = libvpx_srcs_x86_sse4_1 |
| } else if (current_cpu == "x64") { |
| sources = libvpx_srcs_x86_64_sse4_1 |
| } |
| } |
| |
| static_library("libvpx_intrinsics_avx2") { |
| configs += [ ":libvpx_config" ] |
| configs -= [ "//build/config/compiler:chromium_code" ] |
| configs += [ "//build/config/compiler:no_chromium_code" ] |
| configs += [ ":libvpx_warnings" ] |
| if (is_win) { |
| cflags = [ "/arch:AVX2" ] |
| } else { |
| cflags = [ "-mavx2" ] |
| } |
| if (current_cpu == "x86") { |
| sources = libvpx_srcs_x86_avx2 |
| } else if (current_cpu == "x64") { |
| sources = libvpx_srcs_x86_64_avx2 |
| } |
| } |
| |
| if (cpu_arch_full == "arm-neon-cpu-detect") { |
| static_library("libvpx_intrinsics_neon") { |
| configs -= [ "//build/config/compiler:compiler_arm_fpu" ] |
| configs += [ ":libvpx_config" ] |
| configs += [ ":libvpx_warnings" ] |
| cflags = [ "-mfpu=neon" ] |
| sources = libvpx_srcs_arm_neon_cpu_detect_neon |
| } |
| } |
| |
| # Converts ARM assembly files to GAS style. |
| if (current_cpu == "arm") { |
| action_foreach("convert_arm_assembly") { |
| script = "//third_party/libvpx/run_perl.py" |
| if (cpu_arch_full == "arm-neon") { |
| sources = libvpx_srcs_arm_neon_assembly |
| } else if (cpu_arch_full == "arm-neon-cpu-detect") { |
| sources = libvpx_srcs_arm_neon_cpu_detect_assembly |
| } else { |
| sources = libvpx_srcs_arm_assembly |
| } |
| outputs = [ "$target_gen_dir/{{source_name_part}}.S" ] |
| args = [ |
| "-s", |
| rebase_path("//third_party/libvpx/source/libvpx/build/make/ads2gas.pl", |
| root_build_dir), |
| "-i", "{{source}}", |
| "-o", rebase_path("$target_gen_dir/{{source_name_part}}.S") |
| ] |
| } |
| |
| static_library("libvpx_assembly_arm") { |
| sources = get_target_outputs(":convert_arm_assembly") |
| configs -= [ "//build/config/compiler:compiler_arm_fpu" ] |
| configs += [ ":libvpx_config" ] |
| configs += [ ":libvpx_warnings" ] |
| if (cpu_arch_full == "arm-neon" || |
| cpu_arch_full == "arm-neon-cpu-detect") { |
| cflags = [ "-mfpu=neon" ] |
| } |
| deps = [ |
| ":convert_arm_assembly", |
| ] |
| } |
| } |
| |
| static_library("libvpx") { |
| if (!is_debug && is_win && is_official_build) { |
| configs -= [ "//build/config/compiler:optimize" ] |
| configs += [ "//build/config/compiler:optimize_max" ] |
| } |
| |
| if (is_nacl) { |
| sources = libvpx_srcs_generic |
| } else if (current_cpu == "x86") { |
| sources = libvpx_srcs_x86 |
| } else if (current_cpu == "x64") { |
| if (is_msan) { |
| sources = libvpx_srcs_generic |
| } else { |
| sources = libvpx_srcs_x86_64 |
| } |
| } else if (current_cpu == "mipsel") { |
| sources = libvpx_srcs_mips |
| } else if (current_cpu == "arm") { |
| if (arm_use_neon) { |
| sources = libvpx_srcs_arm_neon |
| } else if (is_android) { |
| sources = libvpx_srcs_arm_neon_cpu_detect |
| } else { |
| sources = libvpx_srcs_arm |
| } |
| } else if (current_cpu == "arm64") { |
| sources = libvpx_srcs_arm64 |
| } |
| |
| configs += [ ":libvpx_config" ] |
| configs -= [ "//build/config/compiler:chromium_code" ] |
| configs += [ "//build/config/compiler:no_chromium_code" ] |
| configs += [ ":libvpx_warnings" ] |
| deps = [] |
| if (current_cpu == "x86" || (current_cpu == "x64" && !is_msan)) { |
| deps += [ |
| ":libvpx_yasm", |
| ":libvpx_intrinsics_mmx", |
| ":libvpx_intrinsics_sse2", |
| ":libvpx_intrinsics_ssse3", |
| ":libvpx_intrinsics_sse4_1", |
| ":libvpx_intrinsics_avx2", |
| ] |
| } |
| if (cpu_arch_full == "arm-neon-cpu-detect") { |
| deps += [ ":libvpx_intrinsics_neon" ] |
| } |
| if (is_android) { |
| deps += [ "//third_party/android_tools:cpu_features" ] |
| } |
| if (current_cpu == "arm") { |
| deps += [ ":libvpx_assembly_arm" ] |
| } |
| |
| public_configs = [ ":libvpx_external_config" ] |
| } |