# Copyright 2013 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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# This gyp file contains the platform-specific optimizations for Skia
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{
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'variables': {
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'skia_src_path': '../third_party/skia/src',
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'includes': [ '../third_party/skia/gyp/opts.gypi' ],
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'include_dirs': [
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'../third_party/skia/include/core',
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'../third_party/skia/include/effects',
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'../third_party/skia/include/private',
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'../third_party/skia/include/utils',
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'../third_party/skia/src/core',
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'../third_party/skia/src/opts',
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'../third_party/skia/src/utils',
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],
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},
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'targets': [
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# SSE files have to be built in a separate target, because gcc needs
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# different -msse flags for different SSE levels which enable use of SSE
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# intrinsics but also allow emission of SSE2 instructions for scalar code.
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# gyp does not allow per-file compiler flags.
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# For about the same reason, we need to compile the ARM opts files
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# separately as well.
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{
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'target_name': 'skia_opts',
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'type': 'static_library',
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# The optimize: 'max' scattered throughout are particularly
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# important when compiled by MSVC 2013, which seems
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# to mis-link-time-compile code that's built with
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# different optimization levels. http://crbug.com/543583
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'variables': {
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'optimize': 'max',
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},
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'includes': [
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'skia_common.gypi',
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],
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'include_dirs': [ '<@(include_dirs)' ],
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'conditions': [
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[ 'target_arch != "arm" and target_arch != "mipsel" and \
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target_arch != "arm64" and target_arch != "mips64el"', {
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# Chrome builds with -msse2 locally, so sse2_sources could in theory
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# be in the regular skia target. But we need skia_opts for arm
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# anyway, so putting sse2_sources here is simpler than making this
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# conditionally a type none target on x86.
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'sources': [ '<@(sse2_sources)' ],
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'dependencies': [
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'skia_opts_ssse3',
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'skia_opts_sse41',
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'skia_opts_sse42',
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'skia_opts_avx',
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'skia_opts_avx2',
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],
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}],
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[ 'target_arch == "arm"', {
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'conditions': [
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[ 'arm_version >= 7', {
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'sources': [ '<@(armv7_sources)' ],
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}, { # arm_version < 7
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'sources': [ '<@(none_sources)' ],
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}],
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[ 'arm_version >= 7 and (arm_neon == 1 or arm_neon_optional == 1)', {
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'dependencies': [
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'skia_opts_neon',
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]
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}],
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],
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# The assembly uses the frame pointer register (r7 in Thumb/r11 in
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# ARM), the compiler doesn't like that. Explicitly remove the
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# -fno-omit-frame-pointer flag for Android, as that gets added to all
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# targets via common.gypi.
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'cflags!': [
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'-fno-omit-frame-pointer',
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'-marm',
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'-mapcs-frame',
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],
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'cflags': [
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'-fomit-frame-pointer',
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],
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}],
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[ 'target_arch == "mipsel"',{
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'cflags': [ '-fomit-frame-pointer' ],
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'conditions': [
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[ 'mips_dsp_rev >= 1', {
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'sources': [ '<@(mips_dsp_sources)' ],
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}, { # mips_dsp_rev == 0
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'sources': [ '<@(none_sources)' ],
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}],
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],
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}],
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[ 'target_arch == "mips64el"',{
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'cflags': [ '-fomit-frame-pointer' ],
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'sources': [ '<@(none_sources)' ],
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}],
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[ 'target_arch == "arm64"', {
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'sources': [ '<@(arm64_sources)' ],
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}],
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],
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},
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# For the same lame reasons as what is done for skia_opts, we have to
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# create another target specifically for SSSE3 code as we would not want
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# to compile the SSE2 code with -mssse3 which would potentially allow
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# gcc to generate SSSE3 code.
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{
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'target_name': 'skia_opts_ssse3',
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'type': 'static_library',
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# The optimize: 'max' scattered throughout are particularly
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# important when compiled by MSVC 2013, which seems
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# to mis-link-time-compile code that's built with
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# different optimization levels. http://crbug.com/543583
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'variables': {
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'optimize': 'max',
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},
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'includes': [
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'skia_common.gypi',
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],
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'include_dirs': [ '<@(include_dirs)' ],
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'conditions': [
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[ 'OS in ["linux", "freebsd", "openbsd", "solaris", "android"]', {
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'cflags': [ '-mssse3' ],
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}],
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[ 'OS == "mac"', {
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'xcode_settings': {
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'GCC_ENABLE_SUPPLEMENTAL_SSE3_INSTRUCTIONS': 'YES',
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},
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}],
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[ 'OS == "win" and clang == 1', {
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# cl.exe's /arch flag doesn't have a setting for SSSE3, and cl.exe
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# doesn't need it for intrinsics. clang-cl does need it, though.
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'msvs_settings': {
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'VCCLCompilerTool': { 'AdditionalOptions': [ '-mssse3' ] },
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},
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}],
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[ 'OS == "win"', {
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'defines' : [ 'SK_CPU_SSE_LEVEL=31' ],
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}],
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[ 'target_arch != "arm" and target_arch != "arm64" and \
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target_arch != "mipsel" and target_arch != "mips64el"', {
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'sources': [ '<@(ssse3_sources)' ],
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}],
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],
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},
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# For the same lame reasons as what is done for skia_opts, we also have to
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# create another target specifically for SSE4.1 code as we would not want
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# to compile the SSE2 code with -msse4.1 which would potentially allow
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# gcc to generate SSE4.1 code.
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{
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'target_name': 'skia_opts_sse41',
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'type': 'static_library',
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# The optimize: 'max' scattered throughout are particularly
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# important when compiled by MSVC 2013, which seems
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# to mis-link-time-compile code that's built with
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# different optimization levels. http://crbug.com/543583
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'variables': {
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'optimize': 'max',
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},
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'includes': [
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'skia_common.gypi',
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],
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'include_dirs': [ '<@(include_dirs)' ],
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'sources': [ '<@(sse41_sources)' ],
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'conditions': [
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[ 'OS in ["linux", "freebsd", "openbsd", "solaris", "android"]', {
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'cflags': [ '-msse4.1' ],
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}],
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[ 'OS == "mac"', {
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'xcode_settings': {
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'GCC_ENABLE_SSE41_EXTENSIONS': 'YES',
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},
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}],
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[ 'OS == "win" and clang == 1', {
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# cl.exe's /arch flag doesn't have a setting for SSE4.1, and cl.exe
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# doesn't need it for intrinsics. clang-cl does need it, though.
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'msvs_settings': {
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'VCCLCompilerTool': { 'AdditionalOptions': [ '-msse4.1' ] },
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},
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}],
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[ 'OS == "win"', {
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'defines' : [ 'SK_CPU_SSE_LEVEL=41' ],
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}],
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],
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},
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{
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'target_name': 'skia_opts_sse42',
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'type': 'static_library',
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# The optimize: 'max' scattered throughout are particularly
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# important when compiled by MSVC 2013, which seems
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# to mis-link-time-compile code that's built with
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# different optimization levels. http://crbug.com/543583
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'variables': {
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'optimize': 'max',
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},
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'includes': [
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'skia_common.gypi',
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],
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'include_dirs': [ '<@(include_dirs)' ],
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'sources': [ '<@(sse42_sources)' ],
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'conditions': [
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[ 'OS in ["linux", "freebsd", "openbsd", "solaris", "android"]', {
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'cflags': [ '-msse4.2' ],
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}],
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[ 'OS == "mac"', {
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'xcode_settings': {
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'GCC_ENABLE_SSE42_EXTENSIONS': 'YES',
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},
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}],
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[ 'OS == "win" and clang == 1', {
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# cl.exe's /arch flag doesn't have a setting for SSE4.2, and cl.exe
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# doesn't need it for intrinsics. clang-cl does need it, though.
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'msvs_settings': {
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'VCCLCompilerTool': { 'AdditionalOptions': [ '-msse4.2' ] },
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},
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}],
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[ 'OS == "win"', {
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'defines' : [ 'SK_CPU_SSE_LEVEL=42' ],
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}],
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],
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},
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{
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'target_name': 'skia_opts_avx',
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'type': 'static_library',
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# The optimize: 'max' scattered throughout are particularly
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# important when compiled by MSVC 2013, which seems
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# to mis-link-time-compile code that's built with
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# different optimization levels. http://crbug.com/543583
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'variables': {
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'optimize': 'max',
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},
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'includes': [
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'skia_common.gypi',
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],
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'include_dirs': [ '<@(include_dirs)' ],
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'sources': [ '<@(avx_sources)' ],
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'conditions': [
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[ 'OS in ["linux", "freebsd", "openbsd", "solaris", "android"]', {
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'cflags': [ '-mavx' ],
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}],
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[ 'OS == "mac"', {
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'xcode_settings': {
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'OTHER_CFLAGS': [ '-mavx' ],
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},
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}],
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[ 'OS == "win"', {
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'msvs_settings': { 'VCCLCompilerTool': { 'EnableEnhancedInstructionSet': '3' } },
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}],
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],
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},
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{
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'target_name': 'skia_opts_avx2',
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'type': 'static_library',
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# The optimize: 'max' scattered throughout are particularly
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# important when compiled by MSVC 2013, which seems
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# to mis-link-time-compile code that's built with
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# different optimization levels. http://crbug.com/543583
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'variables': {
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'optimize': 'max',
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},
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'includes': [
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'skia_common.gypi',
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],
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'include_dirs': [ '<@(include_dirs)' ],
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'sources': [ '<@(avx2_sources)' ],
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'conditions': [
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[ 'OS in ["linux", "freebsd", "openbsd", "solaris", "android"]', {
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'cflags': [ '-mavx2' ],
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}],
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[ 'OS == "mac"', {
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'xcode_settings': {
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'OTHER_CFLAGS': [ '-mavx2' ],
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},
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}],
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[ 'OS == "win"', {
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'msvs_settings': { 'VCCLCompilerTool': { 'EnableEnhancedInstructionSet': '5' } },
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}],
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],
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},
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{
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'target_name': 'skia_opts_none',
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'type': 'static_library',
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# The optimize: 'max' scattered throughout are particularly
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# important when compiled by MSVC 2013, which seems
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# to mis-link-time-compile code that's built with
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# different optimization levels. http://crbug.com/543583
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'variables': {
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'optimize': 'max',
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},
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'includes': [
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'skia_common.gypi',
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],
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'include_dirs': [ '<@(include_dirs)' ],
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'sources': [ '<@(none_sources)' ],
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},
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],
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'conditions': [
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# NEON code must be compiled with -mfpu=neon which also affects scalar
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# code. To support dynamic NEON code paths, we need to build all
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# NEON-specific sources in a separate static library. The situation
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# is very similar to the SSSE3 one.
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['target_arch == "arm" and (arm_neon == 1 or arm_neon_optional == 1)', {
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'targets': [
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{
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'target_name': 'skia_opts_neon',
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'type': 'static_library',
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'includes': [
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'skia_common.gypi',
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],
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'include_dirs': [ '<@(include_dirs)' ],
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'cflags!': [
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'-fno-omit-frame-pointer',
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'-mfpu=vfp', # remove them all, just in case.
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'-mfpu=vfpv3',
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'-mfpu=vfpv3-d16',
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],
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'cflags': [
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'-mfpu=neon',
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'-fomit-frame-pointer',
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],
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'ldflags': [
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'-march=armv7-a',
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'-Wl,--fix-cortex-a8',
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],
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'sources': [ '<@(neon_sources)' ],
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},
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],
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}],
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],
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}
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