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Frank Barchard e58eeea369 [libyuv] Add SwapUVRow_AVX2 and NV12ToNV21 
Add SwapUVRow_AVX2 implementation in row_win.cc for MSVC and enable
HAS_SWAPUVROW_AVX2 under USE_ROW_WIN.
Share kShuffleUVToVU shuffle table between SSSE3 and AVX2 in row_gcc.cc.
Make NV12ToNV21 the primary implementation and alias NV21ToNV12 to it.
Add NV12ToNV21 test in convert_test.cc and benchmark dispatch for
SSSE3 and AVX2 in planar_test.cc.

CPU                                   Before     After   Speedup
----------------------------------------------------------------
Intel Granite Rapids                  282 ms    125 ms     2.26x
Intel Emerald Rapids                  264 ms    108 ms     2.44x
Intel Sapphire Rapids                 276 ms    122 ms     2.26x
Intel Ice Lake                        310 ms    122 ms     2.54x
Intel Skylake-X                       573 ms    157 ms     3.65x
Intel Haswell                         620 ms    162 ms     3.83x
AMD Zen 4 (Genoa)                     266 ms     52 ms     5.12x
AMD Zen 6 (Venice)                    229 ms     43 ms     5.33x
ARM Neoverse-N1                       140 ms     71 ms     1.97x
NVIDIA Grace (Neoverse-V2)             62 ms     69 ms     0.90x

R=wtc@google.com

Test: libyuv_unittest --gtest_filter=*SwapUV*:*NV12ToNV21*:*NV21ToNV12*
Bug: 406251841
Change-Id: I9bed5522aedadea13cdf69c27e3cbe633e31dd5b
TAG=agy
CONV=bb50ac62-0c55-4969-8fff-c71ab3d9a79f
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/8356968
Reviewed-by: richard winterton <rrwinterton@gmail.com>
Commit-Queue: Frank Barchard <fbarchard@google.com>
2026-09-04 12:23:24 -07:00
..
compare_common.cc [libyuv] Keep LIBYUV_API in basic_types.h and remove legacy types and bool macros 2026-08-28 08:32:19 -07:00
compare_gcc.cc [libyuv] Keep LIBYUV_API in basic_types.h and remove legacy types and bool macros 2026-08-28 08:32:19 -07:00
compare_neon64.cc [libyuv] Keep LIBYUV_API in basic_types.h and remove legacy types and bool macros 2026-08-28 08:32:19 -07:00
compare_neon.cc [libyuv] Keep LIBYUV_API in basic_types.h and remove legacy types and bool macros 2026-08-28 08:32:19 -07:00
compare_win.cc [libyuv] Keep LIBYUV_API in basic_types.h and remove legacy types and bool macros 2026-08-28 08:32:19 -07:00
compare.cc [libyuv] Keep LIBYUV_API in basic_types.h and remove legacy types and bool macros 2026-08-28 08:32:19 -07:00
convert_argb.cc Add I422ToAR30Row_RVV for RISC-V Vector 2026-09-01 17:00:40 -07:00
convert_from_argb.cc Multiply_16 port to avx512, rvv, neon 32 bit, and windows 2026-09-01 19:08:52 -07:00
convert_from.cc Convert8To16 takes bits instead of scale. 2026-09-01 16:07:23 -07:00
convert_jpeg.cc [libyuv] Keep LIBYUV_API in basic_types.h and remove legacy types and bool macros 2026-08-28 08:32:19 -07:00
convert_to_argb.cc Convert8To16 takes bits instead of scale. 2026-09-01 16:07:23 -07:00
convert_to_i420.cc Convert8To16 takes bits instead of scale. 2026-09-01 16:07:23 -07:00
convert.cc Multiply_16 port to avx512, rvv, neon 32 bit, and windows 2026-09-01 19:08:52 -07:00
cpu_id.cc add bmm detect and vdpphps in util/cpuid 2026-06-09 14:52:48 -07:00
mjpeg_decoder.cc [libyuv] Keep LIBYUV_API in basic_types.h and remove legacy types and bool macros 2026-08-28 08:32:19 -07:00
mjpeg_validate.cc [libyuv] Keep LIBYUV_API in basic_types.h and remove legacy types and bool macros 2026-08-28 08:32:19 -07:00
planar_functions.cc [libyuv] Add SwapUVRow_AVX2 and NV12ToNV21 2026-09-04 12:23:24 -07:00
rotate_any.cc [libyuv] Keep LIBYUV_API in basic_types.h and remove legacy types and bool macros 2026-08-28 08:32:19 -07:00
rotate_argb.cc SVE2 row functions needed for multipass image functions 2026-08-06 12:40:26 -07:00
rotate_common.cc Convert8To16 takes bits instead of scale. 2026-09-01 16:07:23 -07:00
rotate_gcc.cc Use ptrdiff_t for buffer offsets 2026-04-28 18:21:42 -07:00
rotate_lsx.cc [AArch64] Use full vectors in TransposeWx{8 => 16}_NEON 2024-05-21 07:46:42 +00:00
rotate_neon64.cc [libyuv] Keep LIBYUV_API in basic_types.h and remove legacy types and bool macros 2026-08-28 08:32:19 -07:00
rotate_neon.cc [libyuv] Keep LIBYUV_API in basic_types.h and remove legacy types and bool macros 2026-08-28 08:32:19 -07:00
rotate_sme.cc [libyuv] Keep LIBYUV_API in basic_types.h and remove legacy types and bool macros 2026-08-28 08:32:19 -07:00
rotate_win.cc BGRAToI420 use BgraConstants for a direct conversion using AVX512BW 2026-06-08 12:21:47 -07:00
rotate.cc SVE2 row functions needed for multipass image functions 2026-08-06 12:40:26 -07:00
row_any.cc Multiply_16 port to avx512, rvv, neon 32 bit, and windows 2026-09-01 19:08:52 -07:00
row_common.cc Convert8To16 takes bits instead of scale. 2026-09-01 16:07:23 -07:00
row_gcc.cc [libyuv] Add SwapUVRow_AVX2 and NV12ToNV21 2026-09-04 12:23:24 -07:00
row_lasx.cc loongarch: Fix RGBToY SIMD 2026-08-31 20:57:34 -07:00
row_lsx.cc loongarch: Fix RGBToY SIMD 2026-08-31 20:57:34 -07:00
row_neon64.cc Convert8To16 takes bits instead of scale. 2026-09-01 16:07:23 -07:00
row_neon.cc Convert8To16 takes bits instead of scale. 2026-09-01 16:07:23 -07:00
row_rvv.cc Multiply_16 port to avx512, rvv, neon 32 bit, and windows 2026-09-01 19:08:52 -07:00
row_sme.cc Convert8To16 takes bits instead of scale. 2026-09-01 16:07:23 -07:00
row_sve.cc AArch64: Avoid INCP in {YUY2,UYVY}ToUVRow_SVE2 2026-08-19 11:25:07 -07:00
row_win.cc [libyuv] Add SwapUVRow_AVX2 and NV12ToNV21 2026-09-04 12:23:24 -07:00
scale_any.cc [libyuv] Keep LIBYUV_API in basic_types.h and remove legacy types and bool macros 2026-08-28 08:32:19 -07:00
scale_argb.cc Scale*BilinearUp: Add invariants assertions and simplify loop 2026-08-13 14:20:11 -07:00
scale_common.cc ARGBScale and UV use uint8_t for -fsanitize=alignment 2026-08-28 15:30:12 -07:00
scale_gcc.cc Refactor multi-stage SSSE3 scalers into single asm blocks 2026-08-24 18:05:48 -07:00
scale_lsx.cc DetilePlane and unittest for NEON 2022-01-31 20:05:55 +00:00
scale_neon64.cc Apply format with no code changes 2025-02-24 23:57:01 -08:00
scale_neon.cc Apply format with no code changes 2025-02-24 23:57:01 -08:00
scale_rgb.cc Fix Coverity Control flow issues (DEADCODE) 2026-07-01 10:39:22 -07:00
scale_rvv.cc Fix unaligned memory accesses in RVV scaling kernels 2026-09-02 13:16:30 -07:00
scale_sme.cc Apply clang format 2025-01-02 13:31:20 -08:00
scale_uv.cc Scale*BilinearUp: Add invariants assertions and simplify loop 2026-08-13 14:20:11 -07:00
scale_win.cc BGRAToI420 use BgraConstants for a direct conversion using AVX512BW 2026-06-08 12:21:47 -07:00
scale.cc [libyuv] Keep LIBYUV_API in basic_types.h and remove legacy types and bool macros 2026-08-28 08:32:19 -07:00
test.sh Optimze ABGRToI420 for AVX2 2020-06-04 18:24:45 +00:00
video_common.cc Lint cleanup after C99 change CL 2018-01-24 19:16:03 +00:00