gecko-dev/media/libyuv/allow_disabling_asm_avx2.patch

98 строки
3.4 KiB
Diff

# HG changeset patch
# Parent 7591140de51c6147662ee708391fba138398316d
Bug 1341543: Allow disabling of inline ASM and AVX2 in libyyuv r=sotaro
diff --git a/media/libyuv/libyuv/include/libyuv/row.h b/media/libyuv/libyuv/include/libyuv/row.h
--- a/media/libyuv/libyuv/include/libyuv/row.h
+++ b/media/libyuv/libyuv/include/libyuv/row.h
@@ -181,17 +181,17 @@ extern "C" {
// https://code.google.com/p/libyuv/issues/detail?id=517
#define HAS_I422ALPHATOARGBROW_SSSE3
#endif
#endif
// The following are available on all x86 platforms, but
// require VS2012, clang 3.4 or gcc 4.7.
// The code supports NaCL but requires a new compiler and validator.
-#if !defined(LIBYUV_DISABLE_X86) && \
+#if !defined(LIBYUV_DISABLE_AVX2) && !defined(LIBYUV_DISABLE_X86) && \
(defined(VISUALC_HAS_AVX2) || defined(CLANG_HAS_AVX2) || \
defined(GCC_HAS_AVX2))
#define HAS_ARGBCOPYALPHAROW_AVX2
#define HAS_ARGBCOPYYTOALPHAROW_AVX2
#define HAS_ARGBEXTRACTALPHAROW_AVX2
#define HAS_ARGBMIRRORROW_AVX2
#define HAS_ARGBPOLYNOMIALROW_AVX2
#define HAS_ARGBSHUFFLEROW_AVX2
diff --git a/media/libyuv/libyuv/libyuv.gyp b/media/libyuv/libyuv/libyuv.gyp
--- a/media/libyuv/libyuv/libyuv.gyp
+++ b/media/libyuv/libyuv/libyuv.gyp
@@ -21,16 +21,18 @@
# Can be enabled if your jpeg has GYP support.
'libyuv_disable_jpeg%': 1,
# 'chromium_code' treats libyuv as internal and increases warning level.
'chromium_code': 1,
# clang compiler default variable usable by other apps that include libyuv.
'clang%': 0,
# Link-Time Optimizations.
'use_lto%': 0,
+ 'yuv_disable_asm%': 0,
+ 'yuv_disable_avx2%': 0,
'mips_msa%': 0, # Default to msa off.
'build_neon': 0,
'build_msa': 0,
'conditions': [
['(target_arch == "armv7" or target_arch == "armv7s" or \
(target_arch == "arm" and arm_version >= 7) or target_arch == "arm64")\
and (arm_neon == 1 or arm_neon_optional == 1)', {
'build_neon': 1,
@@ -95,16 +97,29 @@
}],
],
}],
['build_msa != 0', {
'defines': [
'LIBYUV_MSA',
],
}],
+ [ 'yuv_disable_asm != 0', {
+ 'defines': [
+ # Enable the following 3 macros to turn off assembly for specified CPU.
+ 'LIBYUV_DISABLE_X86',
+ 'LIBYUV_DISABLE_NEON',
+ 'LIBYUV_DISABLE_DSPR2',
+ ],
+ }],
+ [ 'yuv_disable_avx2 == 1', {
+ 'defines': [
+ 'LIBYUV_DISABLE_AVX2',
+ ]
+ }],
['build_with_mozilla == 1', {
'defines': [
'HAVE_JPEG'
],
'cflags_mozilla': [
'$(MOZ_JPEG_CFLAGS)',
],
}],
@@ -133,16 +148,18 @@
],
}],
], #conditions
'defines': [
# Enable the following 3 macros to turn off assembly for specified CPU.
# 'LIBYUV_DISABLE_X86',
# 'LIBYUV_DISABLE_NEON',
# 'LIBYUV_DISABLE_DSPR2',
+ # This disables AVX2 (Haswell) support, overriding compiler checks
+ # 'LIBYUV_DISABLE_AVX2',
# Enable the following macro to build libyuv as a shared library (dll).
# 'LIBYUV_USING_SHARED_LIBRARY',
# TODO(fbarchard): Make these into gyp defines.
],
'include_dirs': [
'include',
'.',
],