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Documentation update for GYP and envionment variables

Browse Source 
Bug: libyuv:816, libyuv:804
Change-Id: I73a6960b2cc6f3ca31c43c44ccd8b01f5e9e7013
Test" Untested
Reviewed-on: https://chromium-review.googlesource.com/1205053
Reviewed-by: Nico Weber <thakis@chromium.org>
Commit-Queue: Frank Barchard <fbarchard@chromium.org>
This commit is contained in:
Frank Barchard 2018-09-04 11:52:18 -07:00 committed by Commit Bot
parent 759188cf02
commit 9a07219dc8
5 changed files with 28 additions and 12 deletions
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2
README.chromium
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@ -1,6 +1,6 @@
Name: libyuv
URL: http://code.google.com/p/libyuv/
Version: 1716
Version: 1717
License: BSD
License File: LICENSE

20
docs/environment_variables.md
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@ -6,7 +6,10 @@ For test purposes, environment variables can be set to control libyuv behavior.
By default the cpu is detected and the most advanced form of SIMD is used. But you can disable instruction sets selectively, or completely, falling back on C code. Set the variable to 1 to disable the specified instruction set.
## All CPUs
LIBYUV_DISABLE_ASM
## Intel CPUs
LIBYUV_DISABLE_X86
LIBYUV_DISABLE_SSE2
LIBYUV_DISABLE_SSSE3
@ -14,12 +17,25 @@ By default the cpu is detected and the most advanced form of SIMD is used. But
LIBYUV_DISABLE_SSE42
LIBYUV_DISABLE_AVX
LIBYUV_DISABLE_AVX2
LIBYUV_DISABLE_AVX512BW
LIBYUV_DISABLE_ERMS
LIBYUV_DISABLE_FMA3
LIBYUV_DISABLE_MSA
LIBYUV_DISABLE_F16C
LIBYUV_DISABLE_AVX512BW
LIBYUV_DISABLE_AVX512VL
LIBYUV_DISABLE_AVX512VBMI
LIBYUV_DISABLE_AVX512VBMI2
LIBYUV_DISABLE_AVX512VBITALG
LIBYUV_DISABLE_AVX512VPOPCNTDQ
LIBYUV_DISABLE_GFNI
## ARM CPUs
LIBYUV_DISABLE_NEON
## MIPS CPUs
LIBYUV_DISABLE_MSA
LIBYUV_DISABLE_MMI
# Test Width/Height/Repeat
The unittests default to a small image (128x72) to run fast. This can be set by environment variable to test a specific resolutions.

13
docs/getting_started.md
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@ -27,7 +27,7 @@ Then you'll get a .gclient file like:
},
];
For iOS add `;target_os=['ios'];` to your OSX .gclient and run `GYP_DEFINES="OS=ios" gclient sync.`
For iOS add `;target_os=['ios'];` to your OSX .gclient and run `gclient sync.`
Browse the Git reprository: https://chromium.googlesource.com/libyuv/libyuv/+/master
@ -48,11 +48,8 @@ For Android add `;target_os=['android'];` to your Linux .gclient
Then run:
export GYP_DEFINES="OS=android"
gclient sync
The sync will generate native build files for your environment using gyp (Windows: Visual Studio, OSX: XCode, Linux: make). This generation can also be forced manually: `gclient runhooks`
To get just the source (not buildable):
git clone https://chromium.googlesource.com/libyuv/libyuv
@ -135,8 +132,8 @@ ia32
mips
gn gen out/Release "--args=is_debug=false target_os=\"android\" target_cpu=\"mips64el\" mips_arch_variant=\"r6\" mips_use_msa=true is_component_build=true is_clang=true"
gn gen out/Debug "--args=is_debug=true target_os=\"android\" target_cpu=\"mips64el\" mips_arch_variant=\"r6\" mips_use_msa=true is_component_build=true is_clang=true"
gn gen out/Release "--args=is_debug=false target_os=\"android\" target_cpu=\"mips64el\" mips_arch_variant=\"r6\" mips_use_msa=true is_component_build=true"
gn gen out/Debug "--args=is_debug=true target_os=\"android\" target_cpu=\"mips64el\" mips_arch_variant=\"r6\" mips_use_msa=true is_component_build=true"
ninja -v -C out/Debug libyuv_unittest
ninja -v -C out/Release libyuv_unittest
@ -182,8 +179,8 @@ Running test with C code:
mips
gn gen out/Release "--args=is_debug=false target_os=\"linux\" target_cpu=\"mips64el\" mips_arch_variant=\"loongson3\" mips_use_mmi=true is_component_build=false is_clang=false use_sysroot=false use_gold=false"
gn gen out/Debug "--args=is_debug=true target_os=\"linux\" target_cpu=\"mips64el\" mips_arch_variant=\"loongson3\" mips_use_mmi=true is_component_build=false is_clang=false use_sysroot=false use_gold=false"
gn gen out/Release "--args=is_debug=false target_os=\"linux\" target_cpu=\"mips64el\" mips_arch_variant=\"loongson3\" mips_use_mmi=true is_component_build=false use_sysroot=false use_gold=false"
gn gen out/Debug "--args=is_debug=true target_os=\"linux\" target_cpu=\"mips64el\" mips_arch_variant=\"loongson3\" mips_use_mmi=true is_component_build=false use_sysroot=false use_gold=false"
ninja -v -C out/Debug libyuv_unittest
ninja -v -C out/Release libyuv_unittest

2
include/libyuv/version.h
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@ -11,6 +11,6 @@
#ifndef INCLUDE_LIBYUV_VERSION_H_
#define INCLUDE_LIBYUV_VERSION_H_
#define LIBYUV_VERSION 1716
#define LIBYUV_VERSION 1717
#endif // INCLUDE_LIBYUV_VERSION_H_

3
unit_test/unit_test.cc
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@ -66,6 +66,9 @@ int TestCpuEnv(int cpu_info) {
if (TestEnv("LIBYUV_DISABLE_MSA")) {
cpu_info &= ~libyuv::kCpuHasMSA;
}
if (TestEnv("LIBYUV_DISABLE_MMI")) {
cpu_info &= ~libyuv::kCpuHasMMI;
}
#endif
#if !defined(__pnacl__) && !defined(__CLR_VER) && \
(defined(__x86_64__) || defined(_M_X64) || defined(__i386__) || \