gecko-dev/media/libyuv/allow_disabling_asm_avx2.patch

97 lines
3.2 KiB
Diff

# HG changeset patch
# User Randell Jesup <rjesup@jesup.org>
# Parent f380aa97b5a46b07574edbef19f75fc9ff0388a5
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
@@ -57,17 +57,17 @@ extern "C" {
// Visual C 2012 required for AVX2.
#if defined(_M_IX86) && !defined(__clang__) && defined(_MSC_VER) && \
_MSC_VER >= 1700
#define VISUALC_HAS_AVX2 1
#endif // VisualStudio >= 2012
// The following are available on all x86 platforms:
-#if !defined(LIBYUV_DISABLE_X86) && \
+#if !defined(LIBYUV_DISABLE_AVX2) && !defined(LIBYUV_DISABLE_X86) && \
(defined(_M_IX86) || defined(__x86_64__) || defined(__i386__))
// Conversions:
#define HAS_ABGRTOUVROW_SSSE3
#define HAS_ABGRTOYROW_SSSE3
#define HAS_ARGB1555TOARGBROW_SSE2
#define HAS_ARGB4444TOARGBROW_SSE2
#define HAS_ARGBEXTRACTALPHAROW_SSE2
#define HAS_ARGBSETROW_X86
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)',
],
}],
@@ -133,15 +148,17 @@
],
}],
], #conditions
'defines': [
# Enable the following 3 macros to turn off assembly for specified CPU.
# 'LIBYUV_DISABLE_X86',
# 'LIBYUV_DISABLE_NEON',
+ # 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',
'.',
],