tree c544755928aa4a6312a8abcc59f28a70ccea0d5c
parent 7640ba5142d5b7ad54e42d0becbc6165715634a1
author senorblanco@chromium.org <senorblanco@chromium.org@2bbb7eff-a529-9590-31e7-b0007b416f81> 1386181185 +0000
committer senorblanco@chromium.org <senorblanco@chromium.org@2bbb7eff-a529-9590-31e7-b0007b416f81> 1386181185 +0000

Implement a NEON version of the RGBA gaussian blur. This shows a 9-15% speedup on Nexus-10.

R=mtklein@google.com, mtklein

before:
running bench [640 480]             blur_image_filter_large_10.00_10.00    8888: cmsecs =  33063.23
running bench [640 480]             blur_image_filter_small_10.00_10.00    8888: cmsecs =  32800.25
running bench [640 480]               blur_image_filter_large_1.00_1.00    8888: cmsecs =  33017.88
running bench [640 480]               blur_image_filter_small_1.00_1.00    8888: cmsecs =  32743.35
running bench [640 480]               blur_image_filter_large_0.00_1.00    8888: cmsecs =  21024.04
running bench [640 480]              blur_image_filter_large_0.00_10.00    8888: cmsecs =  22904.15
running bench [640 480]               blur_image_filter_large_1.00_0.00    8888: cmsecs =  18738.08
running bench [640 480]              blur_image_filter_large_10.00_0.00    8888: cmsecs =  18798.98

after:
running bench [640 480]             blur_image_filter_large_10.00_10.00    8888: cmsecs =  30180.96
running bench [640 480]             blur_image_filter_small_10.00_10.00    8888: cmsecs =  29861.90
running bench [640 480]               blur_image_filter_large_1.00_1.00    8888: cmsecs =  30178.98
running bench [640 480]               blur_image_filter_small_1.00_1.00    8888: cmsecs =  29911.25
running bench [640 480]               blur_image_filter_large_0.00_1.00    8888: cmsecs =  19344.35
running bench [640 480]              blur_image_filter_large_0.00_10.00    8888: cmsecs =  19957.07
running bench [640 480]               blur_image_filter_large_1.00_0.00    8888: cmsecs =  17158.84
running bench [640 480]              blur_image_filter_large_10.00_0.00    8888: cmsecs =  17330.73

Review URL: https://codereview.chromium.org/99933004

git-svn-id: http://skia.googlecode.com/svn/trunk/gyp@12486 2bbb7eff-a529-9590-31e7-b0007b416f81