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