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# Copyright 2013 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.
# This gyp file contains the platform-specific optimizations for Skia
{
'variables': {
'skia_src_path': '../third_party/skia/src',
'includes': [ '../third_party/skia/gyp/opts.gypi' ],
'include_dirs': [
'../third_party/skia/include/core',
'../third_party/skia/include/effects',
'../third_party/skia/include/utils',
'../third_party/skia/src/core',
'../third_party/skia/src/opts',
'../third_party/skia/src/utils',
],
},
'targets': [
# SSE files have to be built in a separate target, because gcc needs
# different -msse flags for different SSE levels which enable use of SSE
# intrinsics but also allow emission of SSE2 instructions for scalar code.
# gyp does not allow per-file compiler flags.
# For about the same reason, we need to compile the ARM opts files
# separately as well.
{
'target_name': 'skia_opts',
'type': 'static_library',
'includes': [
'skia_common.gypi',
'../build/android/increase_size_for_speed.gypi',
# Disable LTO due to compiler error
# in mems_in_disjoint_alias_sets_p, at alias.c:393
# crbug.com/422255
'../build/android/disable_lto.gypi',
],
'include_dirs': [ '<@(include_dirs)' ],
'conditions': [
[ 'target_arch != "arm" and target_arch != "mipsel" and \
target_arch != "arm64" and target_arch != "mips64el"', {
# Chrome builds with -msse2 locally, so sse2_sources could in theory
# be in the regular skia target. But we need skia_opts for arm
# anyway, so putting sse2_sources here is simpler than making this
# conditionally a type none target on x86.
'sources': [ '<@(sse2_sources)' ],
'dependencies': [
'skia_opts_ssse3',
'skia_opts_sse41',
],
}],
[ 'target_arch == "arm"', {
'conditions': [
[ 'arm_version >= 7', {
'sources': [ '<@(armv7_sources)' ],
}, { # arm_version < 7
'sources': [ '<@(none_sources)' ],
}],
[ 'arm_version >= 7 and (arm_neon == 1 or arm_neon_optional == 1)', {
'dependencies': [
'skia_opts_neon',
]
}],
],
# The assembly uses the frame pointer register (r7 in Thumb/r11 in
# ARM), the compiler doesn't like that. Explicitly remove the
# -fno-omit-frame-pointer flag for Android, as that gets added to all
# targets via common.gypi.
'cflags!': [
'-fno-omit-frame-pointer',
'-marm',
'-mapcs-frame',
],
'cflags': [
'-fomit-frame-pointer',
],
}],
[ 'target_arch == "mipsel"',{
'cflags': [ '-fomit-frame-pointer' ],
'conditions': [
[ 'mips_dsp_rev >= 1', {
'sources': [ '<@(mips_dsp_sources)' ],
}, { # mips_dsp_rev == 0
'sources': [ '<@(none_sources)' ],
}],
],
}],
[ 'target_arch == "mips64el"',{
'cflags': [ '-fomit-frame-pointer' ],
'sources': [ '<@(none_sources)' ],
}],
[ 'target_arch == "arm64"', {
'sources': [ '<@(arm64_sources)' ],
}],
],
},
# For the same lame reasons as what is done for skia_opts, we have to
# create another target specifically for SSSE3 code as we would not want
# to compile the SSE2 code with -mssse3 which would potentially allow
# gcc to generate SSSE3 code.
{
'target_name': 'skia_opts_ssse3',
'type': 'static_library',
'includes': [
'skia_common.gypi',
'../build/android/increase_size_for_speed.gypi',
],
'include_dirs': [ '<@(include_dirs)' ],
'conditions': [
[ 'OS in ["linux", "freebsd", "openbsd", "solaris", "android"]', {
'cflags': [ '-mssse3' ],
}],
[ 'OS == "mac"', {
'xcode_settings': {
'GCC_ENABLE_SUPPLEMENTAL_SSE3_INSTRUCTIONS': 'YES',
},
}],
[ 'OS == "win" and clang == 1', {
# cl.exe's /arch flag doesn't have a setting for SSSE3, and cl.exe
# doesn't need it for intrinsics. clang-cl does need it, though.
'msvs_settings': {
'VCCLCompilerTool': { 'AdditionalOptions': [ '-mssse3' ] },
},
}],
[ 'OS == "win"', {
'defines' : [ 'SK_CPU_SSE_LEVEL=31' ],
}],
[ 'target_arch != "arm" and target_arch != "arm64" and \
target_arch != "mipsel" and target_arch != "mips64el"', {
'sources': [ '<@(ssse3_sources)' ],
}],
],
},
# For the same lame reasons as what is done for skia_opts, we also have to
# create another target specifically for SSE4.1 code as we would not want
# to compile the SSE2 code with -msse4.1 which would potentially allow
# gcc to generate SSE4.1 code.
{
'target_name': 'skia_opts_sse41',
'type': 'static_library',
'includes': [
'skia_common.gypi',
'../build/android/increase_size_for_speed.gypi',
],
'include_dirs': [ '<@(include_dirs)' ],
'sources': [ '<@(sse41_sources)' ],
'conditions': [
[ 'OS in ["linux", "freebsd", "openbsd", "solaris", "android"]', {
'cflags': [ '-msse4.1' ],
}],
[ 'OS == "mac"', {
'xcode_settings': {
'GCC_ENABLE_SSE41_EXTENSIONS': 'YES',
},
}],
[ 'OS == "win" and clang == 1', {
# cl.exe's /arch flag doesn't have a setting for SSE4.1, and cl.exe
# doesn't need it for intrinsics. clang-cl does need it, though.
'msvs_settings': {
'VCCLCompilerTool': { 'AdditionalOptions': [ '-msse4.1' ] },
},
}],
[ 'OS == "win"', {
'defines' : [ 'SK_CPU_SSE_LEVEL=41' ],
}],
],
},
{
'target_name': 'skia_opts_none',
'type': 'static_library',
'includes': [
'skia_common.gypi',
'../build/android/increase_size_for_speed.gypi',
],
'include_dirs': [ '<@(include_dirs)' ],
'sources': [ '<@(none_sources)' ],
},
],
'conditions': [
# NEON code must be compiled with -mfpu=neon which also affects scalar
# code. To support dynamic NEON code paths, we need to build all
# NEON-specific sources in a separate static library. The situation
# is very similar to the SSSE3 one.
['target_arch == "arm" and (arm_neon == 1 or arm_neon_optional == 1)', {
'targets': [
{
'target_name': 'skia_opts_neon',
'type': 'static_library',
'includes': [
'skia_common.gypi',
'../build/android/increase_size_for_speed.gypi',
# Disable LTO due to Neon issues
# crbug.com/408997
'../build/android/disable_lto.gypi',
],
'include_dirs': [ '<@(include_dirs)' ],
'cflags!': [
'-fno-omit-frame-pointer',
'-mfpu=vfp', # remove them all, just in case.
'-mfpu=vfpv3',
'-mfpu=vfpv3-d16',
],
'cflags': [
'-mfpu=neon',
'-fomit-frame-pointer',
],
'ldflags': [
'-march=armv7-a',
'-Wl,--fix-cortex-a8',
],
'sources': [ '<@(neon_sources)' ],
},
],
}],
],
}
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