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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/private',
+ '../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',
+ # The optimize: 'max' scattered throughout are particularly
+ # important when compiled by MSVC 2013, which seems
+ # to mis-link-time-compile code that's built with
+ # different optimization levels. http://crbug.com/543583
+ 'variables': {
+ 'optimize': 'max',
+ },
+ 'includes': [
+ 'skia_common.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',
+ 'skia_opts_sse42',
+ 'skia_opts_avx',
+ 'skia_opts_avx2',
+ ],
+ }],
+ [ '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',
+ # The optimize: 'max' scattered throughout are particularly
+ # important when compiled by MSVC 2013, which seems
+ # to mis-link-time-compile code that's built with
+ # different optimization levels. http://crbug.com/543583
+ 'variables': {
+ 'optimize': 'max',
+ },
+ 'includes': [
+ 'skia_common.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',
+ # The optimize: 'max' scattered throughout are particularly
+ # important when compiled by MSVC 2013, which seems
+ # to mis-link-time-compile code that's built with
+ # different optimization levels. http://crbug.com/543583
+ 'variables': {
+ 'optimize': 'max',
+ },
+ 'includes': [
+ 'skia_common.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_sse42',
+ 'type': 'static_library',
+ # The optimize: 'max' scattered throughout are particularly
+ # important when compiled by MSVC 2013, which seems
+ # to mis-link-time-compile code that's built with
+ # different optimization levels. http://crbug.com/543583
+ 'variables': {
+ 'optimize': 'max',
+ },
+ 'includes': [
+ 'skia_common.gypi',
+ ],
+ 'include_dirs': [ '<@(include_dirs)' ],
+ 'sources': [ '<@(sse42_sources)' ],
+ 'conditions': [
+ [ 'OS in ["linux", "freebsd", "openbsd", "solaris", "android"]', {
+ 'cflags': [ '-msse4.2' ],
+ }],
+ [ 'OS == "mac"', {
+ 'xcode_settings': {
+ 'GCC_ENABLE_SSE42_EXTENSIONS': 'YES',
+ },
+ }],
+ [ 'OS == "win" and clang == 1', {
+ # cl.exe's /arch flag doesn't have a setting for SSE4.2, and cl.exe
+ # doesn't need it for intrinsics. clang-cl does need it, though.
+ 'msvs_settings': {
+ 'VCCLCompilerTool': { 'AdditionalOptions': [ '-msse4.2' ] },
+ },
+ }],
+ [ 'OS == "win"', {
+ 'defines' : [ 'SK_CPU_SSE_LEVEL=42' ],
+ }],
+ ],
+ },
+ {
+ 'target_name': 'skia_opts_avx',
+ 'type': 'static_library',
+ # The optimize: 'max' scattered throughout are particularly
+ # important when compiled by MSVC 2013, which seems
+ # to mis-link-time-compile code that's built with
+ # different optimization levels. http://crbug.com/543583
+ 'variables': {
+ 'optimize': 'max',
+ },
+ 'includes': [
+ 'skia_common.gypi',
+ ],
+ 'include_dirs': [ '<@(include_dirs)' ],
+ 'sources': [ '<@(avx_sources)' ],
+ 'conditions': [
+ [ 'OS in ["linux", "freebsd", "openbsd", "solaris", "android"]', {
+ 'cflags': [ '-mavx' ],
+ }],
+ [ 'OS == "mac"', {
+ 'xcode_settings': {
+ 'OTHER_CFLAGS': [ '-mavx' ],
+ },
+ }],
+ [ 'OS == "win"', {
+ 'msvs_settings': { 'VCCLCompilerTool': { 'EnableEnhancedInstructionSet': '3' } },
+ }],
+ ],
+ },
+ {
+ 'target_name': 'skia_opts_avx2',
+ 'type': 'static_library',
+ # The optimize: 'max' scattered throughout are particularly
+ # important when compiled by MSVC 2013, which seems
+ # to mis-link-time-compile code that's built with
+ # different optimization levels. http://crbug.com/543583
+ 'variables': {
+ 'optimize': 'max',
+ },
+ 'includes': [
+ 'skia_common.gypi',
+ ],
+ 'include_dirs': [ '<@(include_dirs)' ],
+ 'sources': [ '<@(avx2_sources)' ],
+ 'conditions': [
+ [ 'OS in ["linux", "freebsd", "openbsd", "solaris", "android"]', {
+ 'cflags': [ '-mavx2' ],
+ }],
+ [ 'OS == "mac"', {
+ 'xcode_settings': {
+ 'OTHER_CFLAGS': [ '-mavx2' ],
+ },
+ }],
+ [ 'OS == "win"', {
+ 'msvs_settings': { 'VCCLCompilerTool': { 'EnableEnhancedInstructionSet': '5' } },
+ }],
+ ],
+ },
+ {
+ 'target_name': 'skia_opts_none',
+ 'type': 'static_library',
+ # The optimize: 'max' scattered throughout are particularly
+ # important when compiled by MSVC 2013, which seems
+ # to mis-link-time-compile code that's built with
+ # different optimization levels. http://crbug.com/543583
+ 'variables': {
+ 'optimize': 'max',
+ },
+ 'includes': [
+ 'skia_common.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',
+ ],
+ '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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