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Frank Barchard 378bc91324 [libyuv] Multi-platform ScaleUVAddCols3 for ScaleUVBox at 3x 
Based on Philipp Hancke's AVX2 column kernel for ScaleUVBox at 3x
(https://crrev.com/c/8427347).

Add ScaleUVAddCols3 for exact 3x horizontal downscaling (dx == 0x30000
and boxheight <= 85) in ScaleUVBox, plus ScaleAddRow_AVX512BW and
ScaleAddRow_WASMSIMD dispatch, and port 3x/box scaling kernels in
scale_win.cc to 32/64-bit C++ intrinsics matching scale_gcc.cc:
- ScaleUVAddCols3_C (portable C)
- ScaleUVAddCols3_AVX2 and ScaleUVAddCols3_Any_AVX2 (scale_gcc.cc and
  scale_win.cc)
- ScaleUVAddCols3_AVX512VBMI (scale_gcc.cc and scale_win.cc)
- ScaleAddRow_SSE2, ScaleAddRow_AVX2, ScaleAddRow_AVX512BW,
  ScaleAddCols1_AVX512BW, ScaleAddCols2_AVX512BW, ScaleRowDown38_SSSE3,
  ScaleRowDown38_2_Box_SSSE3, and ScaleRowDown38_3_Box_SSSE3 in
  scale_win.cc for 32/64-bit Visual C and LIBYUV_ENABLE_ROWWIN
- ScaleUVAddCols3_NEON (32-bit ARM and 64-bit AArch64) and
  ScaleUVAddCols3_Any_NEON
- ScaleUVAddCols3_SME (ARMv9 Streaming SVE with whilelt predicate tail)
- ScaleUVAddCols3_RVV (RISC-V Vector vlseg3e32.v inline asm)
- ScaleUVAddCols3_LSX and ScaleUVAddCols3_Any_LSX (LoongArch LSX)
- ScaleAddRow_WASMSIMD, ScaleAddRow_Any_WASMSIMD,
  ScaleUVAddCols3_WASMSIMD, and ScaleUVAddCols3_Any_WASMSIMD
- ScaleUVAddCols3_HVX (Hexagon HVX vrdelta + vmpy_VuhRuh)

Co-authored-by: Philipp Hancke <philipp.hancke@googlemail.com>
Bug: libyuv:564129034
R=rrwinterton@gmail.com
Change-Id: Ib9e14f3efcb097842c3d0e9fc9b473b6e2f81871
Reviewed-on: https://chromium-review.googlesource.com/c/libyuv/libyuv/+/8596436
Reviewed-by: richard winterton <rrwinterton@gmail.com>
2026-10-19 15:56:38 -07:00
..
compare_common.cc [libyuv] Add Qualcomm Hexagon HVX SIMD support 2026-10-19 14:16:18 -07:00
compare_gcc.cc [libyuv] Optimize CalcFrameSsim with 2-row 4x4 tile buffer and SIMD 2026-10-15 23:22:58 -07:00
compare_hvx.cc [libyuv] Add Qualcomm Hexagon HVX SIMD support 2026-10-19 14:16:18 -07:00
compare_neon64.cc [libyuv] Optimize CalcFrameSsim with 2-row 4x4 tile buffer and SIMD 2026-10-15 23:22:58 -07:00
compare_neon.cc [libyuv] Optimize CalcFrameSsim with 2-row 4x4 tile buffer and SIMD 2026-10-15 23:22:58 -07:00
compare_wasm.cc [libyuv] Optimize CalcFrameSsim with 2-row 4x4 tile buffer and SIMD 2026-10-15 23:22:58 -07:00
compare_win.cc [libyuv] Optimize CalcFrameSsim with 2-row 4x4 tile buffer and SIMD 2026-10-15 23:22:58 -07:00
compare.cc [libyuv] Add Qualcomm Hexagon HVX SIMD support 2026-10-19 14:16:18 -07:00
convert_argb.cc [libyuv] Add Qualcomm Hexagon HVX SIMD support 2026-10-19 14:16:18 -07:00
convert_from_argb.cc [libyuv] Add Qualcomm Hexagon HVX SIMD support 2026-10-19 14:16:18 -07:00
convert_from.cc [libyuv] Add Qualcomm Hexagon HVX SIMD support 2026-10-19 14:16:18 -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 [libyuv] Add Qualcomm Hexagon HVX SIMD support 2026-10-19 14:16:18 -07:00
convert_to_i420.cc Add 25 native k-masked AVX-512 row kernels 2026-10-12 18:14:41 -07:00
convert.cc [libyuv] Add Qualcomm Hexagon HVX SIMD support 2026-10-19 14:16:18 -07:00
cpu_id.cc [libyuv] Add Qualcomm Hexagon HVX SIMD support 2026-10-19 14:16:18 -07:00
mjpeg_decoder.cc [libyuv] Fix RISC-V CMake/GN/Bazel builds and C compiler driver linking 2026-09-28 10:59:30 -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 Qualcomm Hexagon HVX SIMD support 2026-10-19 14:16:18 -07:00
rotate_any.cc [libyuv] Rewrite LoongArch LSX/LASX kernels in compact inline asm 2026-10-16 17:25:23 -07:00
rotate_argb.cc [libyuv] Add Qualcomm Hexagon HVX SIMD support 2026-10-19 14:16:18 -07:00
rotate_common.cc [libyuv] Optimize RotatePlane_16 SIMD and compact 32-bit transposes 2026-10-12 10:57:34 -07:00
rotate_gcc.cc [libyuv] Optimize RotatePlane_16 SIMD and compact 32-bit transposes 2026-10-12 10:57:34 -07:00
rotate_hvx.cc [libyuv] Add Qualcomm Hexagon HVX SIMD support 2026-10-19 14:16:18 -07:00
rotate_lasx.cc [libyuv] Rewrite LoongArch LSX/LASX kernels in compact inline asm 2026-10-16 17:25:23 -07:00
rotate_lsx.cc [libyuv] Rewrite LoongArch LSX/LASX kernels in compact inline asm 2026-10-16 17:25:23 -07:00
rotate_neon64.cc [libyuv] Optimize RotatePlane_16 SIMD and compact 32-bit transposes 2026-10-12 10:57:34 -07:00
rotate_neon.cc [libyuv] Optimize RotatePlane_16 SIMD and compact 32-bit transposes 2026-10-12 10:57:34 -07:00
rotate_rvv.cc [libyuv] Optimize RotatePlane_16 SIMD and compact 32-bit transposes 2026-10-12 10:57:34 -07:00
rotate_sme.cc [libyuv] Optimize RotatePlane_16 SIMD and compact 32-bit transposes 2026-10-12 10:57:34 -07:00
rotate_sve.cc [libyuv] Optimize RotatePlane_16 SIMD and compact 32-bit transposes 2026-10-12 10:57:34 -07:00
rotate_wasm.cc [libyuv] Optimize RotatePlane_16 SIMD and compact 32-bit transposes 2026-10-12 10:57:34 -07:00
rotate_win.cc [libyuv] Optimize RotatePlane_16 SIMD and compact 32-bit transposes 2026-10-12 10:57:34 -07:00
rotate.cc [libyuv] Add Qualcomm Hexagon HVX SIMD support 2026-10-19 14:16:18 -07:00
row_any.cc [libyuv] Rewrite LoongArch LSX/LASX kernels in compact inline asm 2026-10-16 17:25:23 -07:00
row_common.cc clang format and bump version 2026-09-28 10:42:45 -07:00
row_gcc.cc Add 25 native k-masked AVX-512 row kernels 2026-10-12 18:14:41 -07:00
row_hvx.cc [libyuv] Add Qualcomm Hexagon HVX SIMD support 2026-10-19 14:16:18 -07:00
row_lasx.cc [libyuv] Rewrite LoongArch LSX/LASX kernels in compact inline asm 2026-10-16 17:25:23 -07:00
row_lsx.cc [libyuv] Rewrite LoongArch LSX/LASX kernels in compact inline asm 2026-10-16 17:25:23 -07:00
row_neon64.cc Fix missing inline asm register clobbers 2026-10-08 14:44:23 -07:00
row_neon.cc Fix missing inline asm register clobbers 2026-10-08 14:44:23 -07:00
row_rvv.cc [libyuv] Optimize CalcFrameSsim with 2-row 4x4 tile buffer and SIMD 2026-10-15 23:22:58 -07:00
row_sme.cc [libyuv] Optimize CalcFrameSsim with 2-row 4x4 tile buffer and SIMD 2026-10-15 23:22:58 -07:00
row_sve.cc [libyuv] Optimize CalcFrameSsim with 2-row 4x4 tile buffer and SIMD 2026-10-15 23:22:58 -07:00
row_wasm.cc [libyuv] AVX512, NEON, WASM and RVV alpha copy and mirror rows 2026-10-07 12:44:53 -07:00
row_win.cc Add 25 native k-masked AVX-512 row kernels 2026-10-12 18:14:41 -07:00
scale_any.cc [libyuv] Multi-platform ScaleUVAddCols3 for ScaleUVBox at 3x 2026-10-19 15:56:38 -07:00
scale_argb.cc [libyuv] Add Qualcomm Hexagon HVX SIMD support 2026-10-19 14:16:18 -07:00
scale_common.cc [libyuv] Multi-platform ScaleUVAddCols3 for ScaleUVBox at 3x 2026-10-19 15:56:38 -07:00
scale_gcc.cc [libyuv] Multi-platform ScaleUVAddCols3 for ScaleUVBox at 3x 2026-10-19 15:56:38 -07:00
scale_hvx.cc [libyuv] Multi-platform ScaleUVAddCols3 for ScaleUVBox at 3x 2026-10-19 15:56:38 -07:00
scale_lsx.cc [libyuv] Multi-platform ScaleUVAddCols3 for ScaleUVBox at 3x 2026-10-19 15:56:38 -07:00
scale_neon64.cc [libyuv] Multi-platform ScaleUVAddCols3 for ScaleUVBox at 3x 2026-10-19 15:56:38 -07:00
scale_neon.cc [libyuv] Multi-platform ScaleUVAddCols3 for ScaleUVBox at 3x 2026-10-19 15:56:38 -07:00
scale_rgb.cc Fix Coverity Control flow issues (DEADCODE) 2026-07-01 10:39:22 -07:00
scale_rvv.cc [libyuv] Multi-platform ScaleUVAddCols3 for ScaleUVBox at 3x 2026-10-19 15:56:38 -07:00
scale_sme.cc [libyuv] Multi-platform ScaleUVAddCols3 for ScaleUVBox at 3x 2026-10-19 15:56:38 -07:00
scale_uv.cc [libyuv] Multi-platform ScaleUVAddCols3 for ScaleUVBox at 3x 2026-10-19 15:56:38 -07:00
scale_wasm.cc [libyuv] Multi-platform ScaleUVAddCols3 for ScaleUVBox at 3x 2026-10-19 15:56:38 -07:00
scale_win.cc [libyuv] Multi-platform ScaleUVAddCols3 for ScaleUVBox at 3x 2026-10-19 15:56:38 -07:00
scale.cc [libyuv] Multi-platform ScaleUVAddCols3 for ScaleUVBox at 3x 2026-10-19 15:56:38 -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