Enable AVX2 optimizations for libvpx

generate_gypi.sh

 #!/bin/bash -e
 #
 # Copyright (c) 2012 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 script is used to generate .gypi files and files in the config/platform
 # directories needed to build libvpx.
 # Every time libvpx source code is updated just run this script.
 #
@@ skipping 126 matching lines @@
     #write_target_definition sse4_1_sources[@] $2 libvpx_intrinsics_sse4_1 sse4.1
     echo "ERROR: Uncomment sse4_1 sections in libvpx.gyp"
     exit 1
   fi
   if [ 0 -ne ${#avx_sources} ]; then
     #write_target_definition avx_sources[@] $2 libvpx_intrinsics_avx avx
     echo "ERROR: Uncomment avx sections in libvpx.gyp"
     exit 1
   fi
   if [ 0 -ne ${#avx2_sources} ]; then
-    #write_target_definition avx2_sources[@] $2 libvpx_intrinsics_avx2 avx2
-    echo "ERROR: Uncomment avx2 sections in libvpx.gyp"
-    exit 1
+    write_target_definition avx2_sources[@] $2 libvpx_intrinsics_avx2 avx2
   fi
 
   # arm neon
   if [ 0 -ne ${#neon_sources} ]; then
     write_target_definition neon_sources[@] $2 libvpx_intrinsics_neon fpu=neon
   fi
 
   echo "  ]," >> $2
 
   write_gypi_footer $2
@@ skipping 99 matching lines @@
     $BASE_DIR/lint_config.sh -p \
       -h $BASE_DIR/$LIBVPX_CONFIG_DIR/$1/vpx_config.h \
       -a $BASE_DIR/$LIBVPX_CONFIG_DIR/$1/vpx_config.asm \
       -o $BASE_DIR/$TEMP_DIR/libvpx.config
   fi
 
   $BASE_DIR/$LIBVPX_SRC_DIR/build/make/rtcd.pl \
     --arch=$2 \
     --sym=vp8_rtcd \
     --config=$BASE_DIR/$TEMP_DIR/libvpx.config \
-    --disable-avx2 \
     $BASE_DIR/$LIBVPX_SRC_DIR/vp8/common/rtcd_defs.pl \
     > $BASE_DIR/$LIBVPX_CONFIG_DIR/$1/vp8_rtcd.h
 
   $BASE_DIR/$LIBVPX_SRC_DIR/build/make/rtcd.pl \
     --arch=$2 \
     --sym=vp9_rtcd \
     --config=$BASE_DIR/$TEMP_DIR/libvpx.config \
-    --disable-avx2 \
     $BASE_DIR/$LIBVPX_SRC_DIR/vp9/common/vp9_rtcd_defs.pl \
     > $BASE_DIR/$LIBVPX_CONFIG_DIR/$1/vp9_rtcd.h
 
   $BASE_DIR/$LIBVPX_SRC_DIR/build/make/rtcd.pl \
     --arch=$2 \
     --sym=vpx_scale_rtcd \
     --config=$BASE_DIR/$TEMP_DIR/libvpx.config \
-    --disable-avx2 \
     $BASE_DIR/$LIBVPX_SRC_DIR/vpx_scale/vpx_scale_rtcd.pl \
     > $BASE_DIR/$LIBVPX_CONFIG_DIR/$1/vpx_scale_rtcd.h
 
   rm -rf $BASE_DIR/$TEMP_DIR/libvpx.config
 }
 
 # Generate Config files. "--enable-external-build" must be set to skip
 # detection of capabilities on specific targets.
 # $1 - Header file directory.
 # $2 - Config command line.
@@ skipping 14 matching lines @@
   rm -rf vpx_config.*
 }
 
 echo "Create temporary directory."
 TEMP_DIR="$LIBVPX_SRC_DIR.temp"
 rm -rf $TEMP_DIR
 cp -R $LIBVPX_SRC_DIR $TEMP_DIR
 cd $TEMP_DIR
 
 echo "Generate Config Files"
-all_platforms="--enable-external-build --enable-postproc --disable-install-srcs --enable-multi-res-encoding --enable-temporal-denoising --disable-unit-tests --disable-install-docs --disable-examples --disable-avx2"
+all_platforms="--enable-external-build --enable-postproc --disable-install-srcs --enable-multi-res-encoding --enable-temporal-denoising --disable-unit-tests --disable-install-docs --disable-examples"
 gen_config_files linux/ia32 "--target=x86-linux-gcc --disable-ccache --enable-pic --enable-realtime-only ${all_platforms}"
 gen_config_files linux/x64 "--target=x86_64-linux-gcc --disable-ccache --enable-pic --enable-realtime-only ${all_platforms}"
 gen_config_files linux/arm "--target=armv6-linux-gcc --enable-pic --enable-realtime-only --disable-install-bins --disable-install-libs ${all_platforms}"
 gen_config_files linux/arm-neon "--target=armv7-linux-gcc --enable-pic --enable-realtime-only ${all_platforms}"
 gen_config_files linux/arm-neon-cpu-detect "--target=armv7-linux-gcc --enable-pic --enable-realtime-only --enable-runtime-cpu-detect ${all_platforms}"
 gen_config_files linux/mipsel "--target=mips32-linux-gcc --disable-fast-unaligned ${all_platforms}"
 gen_config_files linux/generic "--target=generic-gnu --enable-pic --enable-realtime-only ${all_platforms}"
 gen_config_files win/ia32 "--target=x86-win32-vs7 --enable-realtime-only ${all_platforms}"
 gen_config_files win/x64 "--target=x86_64-win64-vs9 --enable-realtime-only ${all_platforms}"
 gen_config_files mac/ia32 "--target=x86-darwin9-gcc --enable-pic --enable-realtime-only ${all_platforms}"
@@ skipping 90 matching lines @@
 make_clean
 make libvpx_srcs.txt target=libs $config > /dev/null
 convert_srcs_to_gypi libvpx_srcs.txt libvpx_srcs_generic
 
 echo "Remove temporary directory."
 cd $BASE_DIR
 rm -rf $TEMP_DIR
 
 # TODO(fgalligan): Is "--disable-fast-unaligned" needed on mipsel?
 # TODO(fgalligan): Can we turn on "--enable-realtime-only" for mipsel?