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ffmpeg/libswscale/x86/output.asm
Mark Reid 9e445a5be2 swscale/x86/output.asm: add x86-optimized planer gbr yuv2anyX functions 
changes since v2:
 * fixed label
changes since v1:
 * remove vex intruction on sse4 path
 * some load/pack marcos use less intructions
 * fixed some typos

yuv2gbrp_full_X_4_512_c: 12757.6
yuv2gbrp_full_X_4_512_sse2: 8946.6
yuv2gbrp_full_X_4_512_sse4: 5138.6
yuv2gbrp_full_X_4_512_avx2: 3889.6
yuv2gbrap_full_X_4_512_c: 15368.6
yuv2gbrap_full_X_4_512_sse2: 11916.1
yuv2gbrap_full_X_4_512_sse4: 6294.6
yuv2gbrap_full_X_4_512_avx2: 3477.1
yuv2gbrp9be_full_X_4_512_c: 14381.6
yuv2gbrp9be_full_X_4_512_sse2: 9139.1
yuv2gbrp9be_full_X_4_512_sse4: 5150.1
yuv2gbrp9be_full_X_4_512_avx2: 2834.6
yuv2gbrp9le_full_X_4_512_c: 12990.1
yuv2gbrp9le_full_X_4_512_sse2: 9118.1
yuv2gbrp9le_full_X_4_512_sse4: 5132.1
yuv2gbrp9le_full_X_4_512_avx2: 2833.1
yuv2gbrp10be_full_X_4_512_c: 14401.6
yuv2gbrp10be_full_X_4_512_sse2: 9133.1
yuv2gbrp10be_full_X_4_512_sse4: 5126.1
yuv2gbrp10be_full_X_4_512_avx2: 2837.6
yuv2gbrp10le_full_X_4_512_c: 12718.1
yuv2gbrp10le_full_X_4_512_sse2: 9106.1
yuv2gbrp10le_full_X_4_512_sse4: 5120.1
yuv2gbrp10le_full_X_4_512_avx2: 2826.1
yuv2gbrap10be_full_X_4_512_c: 18535.6
yuv2gbrap10be_full_X_4_512_sse2: 33617.6
yuv2gbrap10be_full_X_4_512_sse4: 6264.1
yuv2gbrap10be_full_X_4_512_avx2: 3422.1
yuv2gbrap10le_full_X_4_512_c: 16724.1
yuv2gbrap10le_full_X_4_512_sse2: 11787.1
yuv2gbrap10le_full_X_4_512_sse4: 6282.1
yuv2gbrap10le_full_X_4_512_avx2: 3441.6
yuv2gbrp12be_full_X_4_512_c: 13723.6
yuv2gbrp12be_full_X_4_512_sse2: 9128.1
yuv2gbrp12be_full_X_4_512_sse4: 7997.6
yuv2gbrp12be_full_X_4_512_avx2: 2844.1
yuv2gbrp12le_full_X_4_512_c: 12257.1
yuv2gbrp12le_full_X_4_512_sse2: 9107.6
yuv2gbrp12le_full_X_4_512_sse4: 5142.6
yuv2gbrp12le_full_X_4_512_avx2: 2837.6
yuv2gbrap12be_full_X_4_512_c: 18511.1
yuv2gbrap12be_full_X_4_512_sse2: 12156.6
yuv2gbrap12be_full_X_4_512_sse4: 6251.1
yuv2gbrap12be_full_X_4_512_avx2: 3444.6
yuv2gbrap12le_full_X_4_512_c: 16687.1
yuv2gbrap12le_full_X_4_512_sse2: 11785.1
yuv2gbrap12le_full_X_4_512_sse4: 6243.6
yuv2gbrap12le_full_X_4_512_avx2: 3446.1
yuv2gbrp14be_full_X_4_512_c: 13690.6
yuv2gbrp14be_full_X_4_512_sse2: 9120.6
yuv2gbrp14be_full_X_4_512_sse4: 5138.1
yuv2gbrp14be_full_X_4_512_avx2: 2843.1
yuv2gbrp14le_full_X_4_512_c: 14995.6
yuv2gbrp14le_full_X_4_512_sse2: 9119.1
yuv2gbrp14le_full_X_4_512_sse4: 5126.1
yuv2gbrp14le_full_X_4_512_avx2: 2843.1
yuv2gbrp16be_full_X_4_512_c: 12367.1
yuv2gbrp16be_full_X_4_512_sse2: 8233.6
yuv2gbrp16be_full_X_4_512_sse4: 4820.1
yuv2gbrp16be_full_X_4_512_avx2: 2666.6
yuv2gbrp16le_full_X_4_512_c: 10904.1
yuv2gbrp16le_full_X_4_512_sse2: 8214.1
yuv2gbrp16le_full_X_4_512_sse4: 4824.1
yuv2gbrp16le_full_X_4_512_avx2: 2629.1
yuv2gbrap16be_full_X_4_512_c: 26569.6
yuv2gbrap16be_full_X_4_512_sse2: 10884.1
yuv2gbrap16be_full_X_4_512_sse4: 5488.1
yuv2gbrap16be_full_X_4_512_avx2: 3272.1
yuv2gbrap16le_full_X_4_512_c: 14010.1
yuv2gbrap16le_full_X_4_512_sse2: 10562.1
yuv2gbrap16le_full_X_4_512_sse4: 5463.6
yuv2gbrap16le_full_X_4_512_avx2: 3255.1
yuv2gbrpf32be_full_X_4_512_c: 14524.1
yuv2gbrpf32be_full_X_4_512_sse2: 8552.6
yuv2gbrpf32be_full_X_4_512_sse4: 4636.1
yuv2gbrpf32be_full_X_4_512_avx2: 2474.6
yuv2gbrpf32le_full_X_4_512_c: 13060.6
yuv2gbrpf32le_full_X_4_512_sse2: 9682.6
yuv2gbrpf32le_full_X_4_512_sse4: 4298.1
yuv2gbrpf32le_full_X_4_512_avx2: 2453.1
yuv2gbrapf32be_full_X_4_512_c: 18629.6
yuv2gbrapf32be_full_X_4_512_sse2: 11363.1
yuv2gbrapf32be_full_X_4_512_sse4: 15201.6
yuv2gbrapf32be_full_X_4_512_avx2: 3727.1
yuv2gbrapf32le_full_X_4_512_c: 16677.6
yuv2gbrapf32le_full_X_4_512_sse2: 10221.6
yuv2gbrapf32le_full_X_4_512_sse4: 5693.6
yuv2gbrapf32le_full_X_4_512_avx2: 3656.6

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
2022-01-11 16:33:17 -03:00

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;******************************************************************************
;* x86-optimized vertical line scaling functions
;* Copyright (c) 2011 Ronald S. Bultje <rsbultje@gmail.com>
;* Kieran Kunhya <kieran@kunhya.com>
;* (c) 2020 Nelson Gomez <nelson.gomez@microsoft.com>
;*
;* This file is part of FFmpeg.
;*
;* FFmpeg is free software; you can redistribute it and/or
;* modify it under the terms of the GNU Lesser General Public
;* License as published by the Free Software Foundation; either
;* version 2.1 of the License, or (at your option) any later version.
;*
;* FFmpeg is distributed in the hope that it will be useful,
;* but WITHOUT ANY WARRANTY; without even the implied warranty of
;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;* Lesser General Public License for more details.
;*
;* You should have received a copy of the GNU Lesser General Public
;* License along with FFmpeg; if not, write to the Free Software
;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
;******************************************************************************
%include "libavutil/x86/x86util.asm"
SECTION_RODATA 32
minshort: times 8 dw 0x8000
yuv2yuvX_16_start: times 4 dd 0x4000 - 0x40000000
yuv2yuvX_10_start: times 4 dd 0x10000
yuv2yuvX_9_start: times 4 dd 0x20000
yuv2yuvX_10_upper: times 8 dw 0x3ff
yuv2yuvX_9_upper: times 8 dw 0x1ff
pd_4: times 4 dd 4
pd_4min0x40000:times 4 dd 4 - (0x40000)
pw_16: times 8 dw 16
pw_32: times 8 dw 32
pd_255: times 8 dd 255
pw_512: times 8 dw 512
pw_1024: times 8 dw 1024
pd_65535_invf: times 8 dd 0x37800080 ;1.0/65535.0
pd_yuv2gbrp16_start: times 8 dd -0x40000000
pd_yuv2gbrp_y_start: times 8 dd (1 << 9)
pd_yuv2gbrp_uv_start: times 8 dd ((1 << 9) - (128 << 19))
pd_yuv2gbrp_a_start: times 8 dd (1 << 18)
pd_yuv2gbrp16_offset: times 8 dd 0x10000 ;(1 << 16)
pd_yuv2gbrp16_round13: times 8 dd 0x02000 ;(1 << 13)
pd_yuv2gbrp16_a_offset: times 8 dd 0x20002000
pd_yuv2gbrp16_upper30: times 8 dd 0x3FFFFFFF ;(1<<30) - 1
pd_yuv2gbrp16_upper27: times 8 dd 0x07FFFFFF ;(1<<27) - 1
pd_yuv2gbrp16_upperC: times 8 dd 0xC0000000
pb_pack_shuffle8: db 0, 4, 8, 12, \
-1, -1, -1, -1, \
-1, -1, -1, -1, \
-1, -1, -1, -1, \
-1, -1, -1, -1, \
0, 4, 8, 12, \
-1, -1, -1, -1, \
-1, -1, -1, -1
pb_pack_shuffle16le: db 0, 1, 4, 5, \
8, 9, 12, 13, \
-1, -1, -1, -1, \
-1, -1, -1, -1, \
-1, -1, -1, -1, \
-1, -1, -1, -1, \
0, 1, 4, 5, \
8, 9, 12, 13
pb_pack_shuffle16be: db 1, 0, 5, 4, \
9, 8, 13, 12, \
-1, -1, -1, -1, \
-1, -1, -1, -1, \
-1, -1, -1, -1, \
-1, -1, -1, -1, \
1, 0, 5, 4, \
9, 8, 13, 12
pb_shuffle32be: db 3, 2, 1, 0, \
7, 6, 5, 4, \
11, 10, 9, 8, \
15, 14, 13, 12, \
3, 2, 1, 0, \
7, 6, 5, 4, \
11, 10, 9, 8, \
15, 14, 13, 12
yuv2nv12_shuffle_mask: times 2 db 0, 4, 8, 12, \
-1, -1, -1, -1, \
-1, -1, -1, -1, \
-1, -1, -1, -1
yuv2nv21_shuffle_mask: times 2 db 4, 0, 12, 8, \
-1, -1, -1, -1, \
-1, -1, -1, -1, \
-1, -1, -1, -1
yuv2nv12_permute_mask: dd 0, 4, 1, 2, 3, 5, 6, 7
SECTION .text
;-----------------------------------------------------------------------------
; vertical line scaling
;
; void yuv2plane1_<output_size>_<opt>(const int16_t *src, uint8_t *dst, int dstW,
; const uint8_t *dither, int offset)
; and
; void yuv2planeX_<output_size>_<opt>(const int16_t *filter, int filterSize,
; const int16_t **src, uint8_t *dst, int dstW,
; const uint8_t *dither, int offset)
;
; Scale one or $filterSize lines of source data to generate one line of output
; data. The input is 15 bits in int16_t if $output_size is [8,10] and 19 bits in
; int32_t if $output_size is 16. $filter is 12 bits. $filterSize is a multiple
; of 2. $offset is either 0 or 3. $dither holds 8 values.
;-----------------------------------------------------------------------------
%macro yuv2planeX_mainloop 2
.pixelloop_%2:
%assign %%i 0
; the rep here is for the 8-bit output MMX case, where dither covers
; 8 pixels but we can only handle 2 pixels per register, and thus 4
; pixels per iteration. In order to not have to keep track of where
; we are w.r.t. dithering, we unroll the MMX/8-bit loop x2.
%if %1 == 8
%assign %%repcnt 16/mmsize
%else
%assign %%repcnt 1
%endif
%rep %%repcnt
%if %1 == 8
%if ARCH_X86_32
mova m2, [rsp+mmsize*(0+%%i)]
mova m1, [rsp+mmsize*(1+%%i)]
%else ; x86-64
mova m2, m8
mova m1, m_dith
%endif ; x86-32/64
%else ; %1 == 9/10/16
mova m1, [yuv2yuvX_%1_start]
mova m2, m1
%endif ; %1 == 8/9/10/16
movsx cntr_reg, fltsizem
.filterloop_%2_ %+ %%i:
; input pixels
mov r6, [srcq+gprsize*cntr_reg-2*gprsize]
%if %1 == 16
mova m3, [r6+r5*4]
mova m5, [r6+r5*4+mmsize]
%else ; %1 == 8/9/10
mova m3, [r6+r5*2]
%endif ; %1 == 8/9/10/16
mov r6, [srcq+gprsize*cntr_reg-gprsize]
%if %1 == 16
mova m4, [r6+r5*4]
mova m6, [r6+r5*4+mmsize]
%else ; %1 == 8/9/10
mova m4, [r6+r5*2]
%endif ; %1 == 8/9/10/16
; coefficients
movd m0, [filterq+2*cntr_reg-4] ; coeff[0], coeff[1]
%if %1 == 16
pshuflw m7, m0, 0 ; coeff[0]
pshuflw m0, m0, 0x55 ; coeff[1]
pmovsxwd m7, m7 ; word -> dword
pmovsxwd m0, m0 ; word -> dword
pmulld m3, m7
pmulld m5, m7
pmulld m4, m0
pmulld m6, m0
paddd m2, m3
paddd m1, m5
paddd m2, m4
paddd m1, m6
%else ; %1 == 10/9/8
punpcklwd m5, m3, m4
punpckhwd m3, m4
SPLATD m0
pmaddwd m5, m0
pmaddwd m3, m0
paddd m2, m5
paddd m1, m3
%endif ; %1 == 8/9/10/16
sub cntr_reg, 2
jg .filterloop_%2_ %+ %%i
%if %1 == 16
psrad m2, 31 - %1
psrad m1, 31 - %1
%else ; %1 == 10/9/8
psrad m2, 27 - %1
psrad m1, 27 - %1
%endif ; %1 == 8/9/10/16
%if %1 == 8
packssdw m2, m1
packuswb m2, m2
movh [dstq+r5*1], m2
%else ; %1 == 9/10/16
%if %1 == 16
packssdw m2, m1
paddw m2, [minshort]
%else ; %1 == 9/10
%if cpuflag(sse4)
packusdw m2, m1
%else ; mmxext/sse2
packssdw m2, m1
pmaxsw m2, m6
%endif ; mmxext/sse2/sse4/avx
pminsw m2, [yuv2yuvX_%1_upper]
%endif ; %1 == 9/10/16
mov%2 [dstq+r5*2], m2
%endif ; %1 == 8/9/10/16
add r5, mmsize/2
sub wd, mmsize/2
%assign %%i %%i+2
%endrep
jg .pixelloop_%2
%endmacro
%macro yuv2planeX_fn 3
%if ARCH_X86_32
%define cntr_reg fltsizeq
%define movsx mov
%else
%define cntr_reg r7
%define movsx movsxd
%endif
cglobal yuv2planeX_%1, %3, 8, %2, filter, fltsize, src, dst, w, dither, offset
%if %1 == 8 || %1 == 9 || %1 == 10
pxor m6, m6
%endif ; %1 == 8/9/10
%if %1 == 8
%if ARCH_X86_32
%assign pad 0x2c - (stack_offset & 15)
SUB rsp, pad
%define m_dith m7
%else ; x86-64
%define m_dith m9
%endif ; x86-32
; create registers holding dither
movq m_dith, [ditherq] ; dither
test offsetd, offsetd
jz .no_rot
%if mmsize == 16
punpcklqdq m_dith, m_dith
%endif ; mmsize == 16
PALIGNR m_dith, m_dith, 3, m0
.no_rot:
%if mmsize == 16
punpcklbw m_dith, m6
%if ARCH_X86_64
punpcklwd m8, m_dith, m6
pslld m8, 12
%else ; x86-32
punpcklwd m5, m_dith, m6
pslld m5, 12
%endif ; x86-32/64
punpckhwd m_dith, m6
pslld m_dith, 12
%if ARCH_X86_32
mova [rsp+ 0], m5
mova [rsp+16], m_dith
%endif
%else ; mmsize == 8
punpcklbw m5, m_dith, m6
punpckhbw m_dith, m6
punpcklwd m4, m5, m6
punpckhwd m5, m6
punpcklwd m3, m_dith, m6
punpckhwd m_dith, m6
pslld m4, 12
pslld m5, 12
pslld m3, 12
pslld m_dith, 12
mova [rsp+ 0], m4
mova [rsp+ 8], m5
mova [rsp+16], m3
mova [rsp+24], m_dith
%endif ; mmsize == 8/16
%endif ; %1 == 8
xor r5, r5
%if mmsize == 8 || %1 == 8
yuv2planeX_mainloop %1, a
%else ; mmsize == 16
test dstq, 15
jnz .unaligned
yuv2planeX_mainloop %1, a
REP_RET
.unaligned:
yuv2planeX_mainloop %1, u
%endif ; mmsize == 8/16
%if %1 == 8
%if ARCH_X86_32
ADD rsp, pad
RET
%else ; x86-64
REP_RET
%endif ; x86-32/64
%else ; %1 == 9/10/16
REP_RET
%endif ; %1 == 8/9/10/16
%endmacro
%if ARCH_X86_32
INIT_MMX mmxext
yuv2planeX_fn 8, 0, 7
yuv2planeX_fn 9, 0, 5
yuv2planeX_fn 10, 0, 5
%endif
INIT_XMM sse2
yuv2planeX_fn 8, 10, 7
yuv2planeX_fn 9, 7, 5
yuv2planeX_fn 10, 7, 5
INIT_XMM sse4
yuv2planeX_fn 8, 10, 7
yuv2planeX_fn 9, 7, 5
yuv2planeX_fn 10, 7, 5
yuv2planeX_fn 16, 8, 5
%if HAVE_AVX_EXTERNAL
INIT_XMM avx
yuv2planeX_fn 8, 10, 7
yuv2planeX_fn 9, 7, 5
yuv2planeX_fn 10, 7, 5
%endif
; %1=outout-bpc, %2=alignment (u/a)
%macro yuv2plane1_mainloop 2
.loop_%2:
%if %1 == 8
paddsw m0, m2, [srcq+wq*2+mmsize*0]
paddsw m1, m3, [srcq+wq*2+mmsize*1]
psraw m0, 7
psraw m1, 7
packuswb m0, m1
mov%2 [dstq+wq], m0
%elif %1 == 16
paddd m0, m4, [srcq+wq*4+mmsize*0]
paddd m1, m4, [srcq+wq*4+mmsize*1]
paddd m2, m4, [srcq+wq*4+mmsize*2]
paddd m3, m4, [srcq+wq*4+mmsize*3]
psrad m0, 3
psrad m1, 3
psrad m2, 3
psrad m3, 3
%if cpuflag(sse4) ; avx/sse4
packusdw m0, m1
packusdw m2, m3
%else ; mmx/sse2
packssdw m0, m1
packssdw m2, m3
paddw m0, m5
paddw m2, m5
%endif ; mmx/sse2/sse4/avx
mov%2 [dstq+wq*2+mmsize*0], m0
mov%2 [dstq+wq*2+mmsize*1], m2
%else ; %1 == 9/10
paddsw m0, m2, [srcq+wq*2+mmsize*0]
paddsw m1, m2, [srcq+wq*2+mmsize*1]
psraw m0, 15 - %1
psraw m1, 15 - %1
pmaxsw m0, m4
pmaxsw m1, m4
pminsw m0, m3
pminsw m1, m3
mov%2 [dstq+wq*2+mmsize*0], m0
mov%2 [dstq+wq*2+mmsize*1], m1
%endif
add wq, mmsize
jl .loop_%2
%endmacro
%macro yuv2plane1_fn 3
cglobal yuv2plane1_%1, %3, %3, %2, src, dst, w, dither, offset
movsxdifnidn wq, wd
add wq, mmsize - 1
and wq, ~(mmsize - 1)
%if %1 == 8
add dstq, wq
%else ; %1 != 8
lea dstq, [dstq+wq*2]
%endif ; %1 == 8
%if %1 == 16
lea srcq, [srcq+wq*4]
%else ; %1 != 16
lea srcq, [srcq+wq*2]
%endif ; %1 == 16
neg wq
%if %1 == 8
pxor m4, m4 ; zero
; create registers holding dither
movq m3, [ditherq] ; dither
test offsetd, offsetd
jz .no_rot
%if mmsize == 16
punpcklqdq m3, m3
%endif ; mmsize == 16
PALIGNR m3, m3, 3, m2
.no_rot:
%if mmsize == 8
mova m2, m3
punpckhbw m3, m4 ; byte->word
punpcklbw m2, m4 ; byte->word
%else
punpcklbw m3, m4
mova m2, m3
%endif
%elif %1 == 9
pxor m4, m4
mova m3, [pw_512]
mova m2, [pw_32]
%elif %1 == 10
pxor m4, m4
mova m3, [pw_1024]
mova m2, [pw_16]
%else ; %1 == 16
%if cpuflag(sse4) ; sse4/avx
mova m4, [pd_4]
%else ; mmx/sse2
mova m4, [pd_4min0x40000]
mova m5, [minshort]
%endif ; mmx/sse2/sse4/avx
%endif ; %1 == ..
; actual pixel scaling
%if mmsize == 8
yuv2plane1_mainloop %1, a
%else ; mmsize == 16
test dstq, 15
jnz .unaligned
yuv2plane1_mainloop %1, a
REP_RET
.unaligned:
yuv2plane1_mainloop %1, u
%endif ; mmsize == 8/16
REP_RET
%endmacro
%if ARCH_X86_32
INIT_MMX mmx
yuv2plane1_fn 8, 0, 5
yuv2plane1_fn 16, 0, 3
INIT_MMX mmxext
yuv2plane1_fn 9, 0, 3
yuv2plane1_fn 10, 0, 3
%endif
INIT_XMM sse2
yuv2plane1_fn 8, 5, 5
yuv2plane1_fn 9, 5, 3
yuv2plane1_fn 10, 5, 3
yuv2plane1_fn 16, 6, 3
INIT_XMM sse4
yuv2plane1_fn 16, 5, 3
%if HAVE_AVX_EXTERNAL
INIT_XMM avx
yuv2plane1_fn 8, 5, 5
yuv2plane1_fn 9, 5, 3
yuv2plane1_fn 10, 5, 3
yuv2plane1_fn 16, 5, 3
%endif
%undef movsx
;-----------------------------------------------------------------------------
; AVX2 yuv2nv12cX implementation
;
; void ff_yuv2nv12cX_avx2(enum AVPixelFormat format, const uint8_t *dither,
; const int16_t *filter, int filterSize,
; const int16_t **u, const int16_t **v,
; uint8_t *dst, int dstWidth)
;
; void ff_yuv2nv21cX_avx2(enum AVPixelFormat format, const uint8_t *dither,
; const int16_t *filter, int filterSize,
; const int16_t **u, const int16_t **v,
; uint8_t *dst, int dstWidth)
;-----------------------------------------------------------------------------
%if ARCH_X86_64
%macro yuv2nv12cX_fn 1
cglobal %1cX, 8, 11, 13, tmp1, dither, filter, filterSize, u, v, dst, dstWidth
mov tmp1q, qword [ditherq]
movq xm0, tmp1q
ror tmp1q, 24
movq xm1, tmp1q
pmovzxbd m0, xm0
pslld m0, m0, 12 ; ditherLo
pmovzxbd m1, xm1
pslld m1, m1, 12 ; ditherHi
pxor m9, m9 ; uint8_min dwords
mova m10, [pd_255] ; uint8_max dwords
mova m11, [%1_shuffle_mask] ; shuffle_mask
mova m12, [yuv2nv12_permute_mask] ; permute mask
DEFINE_ARGS tmp1, tmp2, filter, filterSize, u, v, dst, dstWidth
xor r8q, r8q
nv12_outer_%1:
mova m2, m0 ; resultLo
mova m3, m1 ; resultHi
xor r9q, r9q
nv12_inner_%1:
movsx r10d, word [filterq + (2 * r9q)]
movd xm4, r10d
vpbroadcastd m4, xm4 ; filter
mov tmp1q, [uq + (gprsize * r9q)]
mova xm7, oword [tmp1q + 2 * r8q]
mov tmp2q, [vq + (gprsize * r9q)]
mova xm8, oword [tmp2q + 2 * r8q]
punpcklwd xm5, xm7, xm8
pmovsxwd m5, xm5 ; multiplicandsLo
punpckhwd xm6, xm7, xm8
pmovsxwd m6, xm6 ; multiplicandsHi
pmulld m7, m5, m4 ; mulResultLo
pmulld m8, m6, m4 ; mulResultHi
paddd m2, m2, m7 ; resultLo += mulResultLo
paddd m3, m3, m8 ; resultHi += mulResultHi
inc r9d
cmp r9d, filterSized
jl nv12_inner_%1
; end of inner loop
psrad m2, m2, 19
psrad m3, m3, 19
; Vectorized av_clip_uint8
pmaxsd m2, m2, m9
pmaxsd m3, m3, m9
pminsd m2, m2, m10
pminsd m3, m3, m10
; At this point we have clamped uint8s arranged in this order:
; m2: u1 0 0 0 v1 0 0 0 [...]
; m3: u5 0 0 0 v5 0 0 0 [...]
;
; First, we shuffle the bytes to make the bytes semi-contiguous.
; AVX-2 doesn't have cross-lane shuffling, so we'll end up with:
; m2: u1 v1 u2 v2 0 0 0 0 0 0 0 0 u3 v3 u4 v4
; m3: u5 v5 u6 v6 0 0 0 0 0 0 0 0 u7 v7 u8 v8
pshufb m2, m2, m11
pshufb m3, m3, m11
; To fix the cross-lane shuffling issue, we'll then use cross-lane
; permutation to combine the two segments
vpermd m2, m12, m2
vpermd m3, m12, m3
; Now we have the final results in the lower 8 bytes of each register
movq [dstq], xm2
movq [dstq + 8], xm3
add r8d, 8
add dstq, 16
cmp r8d, dstWidthd
jl nv12_outer_%1
RET
%endmacro
%if HAVE_AVX2_EXTERNAL
INIT_YMM avx2
yuv2nv12cX_fn yuv2nv12
yuv2nv12cX_fn yuv2nv21
%endif
%endif ; ARCH_X86_64
;-----------------------------------------------------------------------------
; planar grb yuv2anyX functions
; void ff_yuv2<gbr_format>_full_X_<opt>(SwsContext *c, const int16_t *lumFilter,
; const int16_t **lumSrcx, int lumFilterSize,
; const int16_t *chrFilter, const int16_t **chrUSrcx,
; const int16_t **chrVSrcx, int chrFilterSize,
; const int16_t **alpSrcx, uint8_t **dest,
; int dstW, int y)
;-----------------------------------------------------------------------------
%if ARCH_X86_64
struc SwsContext
.padding: resb 40292 ; offsetof(SwsContext, yuv2rgb_y_offset)
.yuv2rgb_y_offset: resd 1
.yuv2rgb_y_coeff: resd 1
.yuv2rgb_v2r_coeff: resd 1
.yuv2rgb_v2g_coeff: resd 1
.yuv2rgb_u2g_coeff: resd 1
.yuv2rgb_u2b_coeff: resd 1
endstruc
%define R m0
%define G m1
%define B m2
%define A m3
%define Y m4
%define U m5
%define V m6
; Clip a signed integer to an unsigned power of two range.
; av_clip_uintp2
; 1 - dest
; 2 - bit position to clip at
%macro CLIPP2 2
; (~a) >> 31 & ((1<<p) - 1);
pcmpeqb m4, m4
pxor m4, %1
psrad m4, 31
movu m5, [pd_yuv2gbrp16_upper%2]
pand m4, m5
; (a & ~((1<<p) - 1)) == 0
pandn m5, %1
pxor m6, m6
pcmpeqd m5, m6
%if cpuflag(avx2)
vpblendvb %1, m4, %1, m5
%else
pxor %1, m4
pand %1, m5
pxor %1, m4
%endif
%endmacro
; 1 - dest
; 2 - source
%macro LOAD16 2
%if cpuflag(avx2)
movu xm%1, %2
vpmovsxwd m%1, xm%1
%elif cpuflag(sse4)
movsd m%1, %2
pmovsxwd m%1, m%1
%else
movsd m%1, %2
punpcklwd m%1, m%1
psrad m%1, 16 ; sign extend
%endif
%endmacro
; 1 - dest
; 2 - source
; 3 - depth
%macro LOAD_PIXELS 3
mov ptrq, [%2 + jq*8]
%if %3 >= 16
movu m%1, [ptrq + xq*4]
%else
LOAD16 %1, [ptrq + xq*2]
%endif
%endmacro
; 1 - dest
; 2 - source
%macro STORE8 2
mov ptrq, %1
%if mmsize > 16
pshufb m%2, [pb_pack_shuffle8]
vextractf128 xm4, m%2, 1
por xm%2, xm4
movq [ptrq + xq], xm%2
%else
%if cpuflag(sse4)
pshufb m%2, [pb_pack_shuffle8]
%else
psrldq m4, m%2, 3
por m%2, m4
psrldq m4, m%2, 6
por m%2, m4
%endif
movd [ptrq + xq], m%2
%endif
%endmacro
; 1 - dest
; 2 - source
; 3 - is big endian
%macro STORE16 3
mov ptrq, %1
%if mmsize > 16
%if %3 ; bigendian
pshufb m%2, [pb_pack_shuffle16be]
%else
pshufb m%2, [pb_pack_shuffle16le]
%endif
vpermq m%2, m%2, (3 << 6 | 0 << 4 | 3 << 2 | 0 << 0)
movu [ptrq + xq*2], xm%2
%else
%if cpuflag(sse4) && %3 ; bigendian
pshufb m%2, [pb_pack_shuffle16be]
%elif cpuflag(sse4)
pshufb m%2, [pb_pack_shuffle16le]
%else
pshuflw m%2, m%2, (1 << 6 | 1 << 4 | 2 << 2 | 0 << 0)
pshufhw m%2, m%2, (1 << 6 | 1 << 4 | 2 << 2 | 0 << 0)
pshufd m%2, m%2, (3 << 6 | 3 << 4 | 2 << 2 | 0 << 0)
%if %3 ; bigendian
psrlw m4, m%2, 8
psllw m%2, 8
por m%2, m4
%endif
%endif
movq [ptrq + xq*2], m%2
%endif
%endmacro
%macro SWAP32 1
%if mmsize > 16 || cpuflag(sse4)
pshufb m%1, [pb_shuffle32be]
%else
psrlw m4, m%1, 8
psllw m%1, 8
por m%1, m4
pshuflw m%1, m%1, (2 << 6 | 3 << 4 | 0 << 2 | 1 << 0)
pshufhw m%1, m%1, (2 << 6 | 3 << 4 | 0 << 2 | 1 << 0)
%endif
%endmacro
; 1 - dest
; 2 - source
; 3 - depth
; 4 - is big endian
%macro STORE_PIXELS 4
%if %3 > 16
%if %4
SWAP32 %2
%endif
mov ptrq, %1
movu [ptrq + xq*4], m%2
%elif %3 > 8
STORE16 %1, %2, %4
%else
STORE8 %1, %2
%endif
%endmacro
%macro PMULLO 3
%if cpuflag(sse4) || mmsize > 16
pmulld %1, %2, %3
%else
%ifidni %1, %2
%else
mova %1, %2
%endif
pshufd m7, %1, (2 << 6 | 3 << 4 | 0 << 2 | 1 << 0) ; 0xb1
pshufd m8, %3, (2 << 6 | 3 << 4 | 0 << 2 | 1 << 0) ; 0xb1
pmuludq m7, m8
pshufd m7, m7, (3 << 6 | 1 << 4 | 2 << 2 | 0 << 0) ; 0xd8
pmuludq %1, %3
pshufd %1, %1, (3 << 6 | 1 << 4 | 2 << 2 | 0 << 0) ; 0xd8
punpckldq %1, m7
%endif
%endmacro
; 1 - name
; 2 - depth
; 3 - has alpha
; 3 - is big endian
; 5 - is float
%macro yuv2gbrp_fn 5
%define DEPTH %2
%define HAS_ALPHA %3
%define IS_BE %4
%define FLOAT %5
%define SH (22 + 8 - DEPTH)
%if DEPTH >= 16
%define RGB_SHIFT 14
%define A_SHIFT 14
%elif 22 != SH
%define RGB_SHIFT SH
%define A_SHIFT (SH-3)
%else
%define RGB_SHIFT 22
%define A_SHIFT 19
%endif
%if DEPTH >= 16
%define YUV_SHIFT 14
%define Y_START m9
%define Y_ROUND [pd_yuv2gbrp16_round13]
%define UV_START m9
%define A_START m9
%define A_CLIP2P 30
%else
%define YUV_SHIFT 10
%define Y_START [pd_yuv2gbrp_y_start]
%define Y_ROUND m9
%define UV_START [pd_yuv2gbrp_uv_start]
%define A_START [pd_yuv2gbrp_a_start]
%define A_CLIP2P 27
%endif
cglobal yuv2%1_full_X, 12, 14, 16, ptr, lumFilter, lumSrcx, lumFilterSize, chrFilter, chrUSrcx, chrVSrcx, chrFilterSize, alpSrcx, dest, dstW, y, x, j
VBROADCASTSS m10, dword [ptrq + SwsContext.yuv2rgb_y_offset]
VBROADCASTSS m11, dword [ptrq + SwsContext.yuv2rgb_y_coeff]
VBROADCASTSS m12, dword [ptrq + SwsContext.yuv2rgb_v2r_coeff]
VBROADCASTSS m13, dword [ptrq + SwsContext.yuv2rgb_v2g_coeff]
VBROADCASTSS m14, dword [ptrq + SwsContext.yuv2rgb_u2g_coeff]
VBROADCASTSS m15, dword [ptrq + SwsContext.yuv2rgb_u2b_coeff]
%if DEPTH >= 16
movu m9, [pd_yuv2gbrp16_start]
%else
mov xq, (1 << (SH-1))
movq xm9, xq
VBROADCASTSS m9, xm9
%endif
xor xq, xq
%%loop_x:
movu Y, Y_START
movu U, UV_START
movu V, UV_START
xor jq, jq
%%loop_luma:
movsx ptrd, word [lumFilterq + jq*2]
movd xm0, ptrd
VBROADCASTSS m0, xm0
LOAD_PIXELS 1, lumSrcxq, DEPTH
PMULLO m1, m1, m0
paddd Y, m1
inc jd
cmp jd, lumFilterSized
jl %%loop_luma
%if HAS_ALPHA
cmp alpSrcxq, 0
je %%skip_alpha_load
xor jq, jq
movu A, A_START
%%loop_alpha:
movsx ptrd, word [lumFilterq + jq*2]
movd xm0, ptrd
VBROADCASTSS m0, xm0
LOAD_PIXELS 1, alpSrcxq, DEPTH
PMULLO m1, m1, m0
paddd A, m1
inc jd
cmp jd, lumFilterSized
jl %%loop_alpha
%if DEPTH >= 16
psrad A, 1
paddd A, [pd_yuv2gbrp16_a_offset]
%endif
%%skip_alpha_load:
%endif
xor jq, jq
%%loop_chr:
movsx ptrd, word [chrFilterq + jq*2]
movd xm0, ptrd
VBROADCASTSS m0, xm0
LOAD_PIXELS 1, chrUSrcxq, DEPTH
LOAD_PIXELS 2, chrVSrcxq, DEPTH
PMULLO m1, m1, m0
PMULLO m2, m2, m0
paddd U, m1
paddd V, m2
inc jd
cmp jd, chrFilterSized
jl %%loop_chr
psrad Y, YUV_SHIFT
%if DEPTH >= 16
paddd Y, [pd_yuv2gbrp16_offset]
%endif
psrad U, YUV_SHIFT
psrad V, YUV_SHIFT
psubd Y, m10 ; yuv2rgb_y_offset
PMULLO Y, Y, m11 ; yuv2rgb_y_coeff
paddd Y, Y_ROUND
PMULLO R, V, m12 ; yuv2rgb_v2r_coeff
PMULLO B, U, m15 ; yuv2rgb_u2b_coeff
PMULLO U, U, m14 ; yuv2rgb_u2g_coeff
PMULLO V, V, m13 ; yuv2rgb_v2g_coeff
paddd G, U, V
paddd R, Y
paddd G, Y
paddd B, Y
CLIPP2 R, 30
CLIPP2 G, 30
CLIPP2 B, 30
psrad R, RGB_SHIFT
psrad G, RGB_SHIFT
psrad B, RGB_SHIFT
%if FLOAT
cvtdq2ps R, R
cvtdq2ps G, G
cvtdq2ps B, B
mulps R, [pd_65535_invf]
mulps G, [pd_65535_invf]
mulps B, [pd_65535_invf]
%endif
STORE_PIXELS [destq + 0], 1, DEPTH, IS_BE ; G
STORE_PIXELS [destq + 8], 2, DEPTH, IS_BE ; B
STORE_PIXELS [destq + 16], 0, DEPTH, IS_BE ; R
%if HAS_ALPHA
cmp alpSrcxq, 0
je %%skip_alpha_store
CLIPP2 A, A_CLIP2P
psrad A, A_SHIFT
%if FLOAT
cvtdq2ps A, A
mulps A, [pd_65535_invf]
%endif
STORE_PIXELS [destq + 24], 3, DEPTH, IS_BE
%%skip_alpha_store:
%endif
add xq, mmsize/4
cmp xd, dstWd
jl %%loop_x
RET
%endmacro
%macro yuv2gbrp_fn_decl 2
INIT_%1 %2
yuv2gbrp_fn gbrp, 8, 0, 0, 0
yuv2gbrp_fn gbrap, 8, 1, 0, 0
yuv2gbrp_fn gbrp9le, 9, 0, 0, 0
yuv2gbrp_fn gbrp10le, 10, 0, 0, 0
yuv2gbrp_fn gbrap10le, 10, 1, 0, 0
yuv2gbrp_fn gbrp12le, 12, 0, 0, 0
yuv2gbrp_fn gbrap12le, 12, 1, 0, 0
yuv2gbrp_fn gbrp14le, 14, 0, 0, 0
yuv2gbrp_fn gbrp16le, 16, 0, 0, 0
yuv2gbrp_fn gbrap16le, 16, 1, 0, 0
yuv2gbrp_fn gbrpf32le, 32, 0, 0, 1
yuv2gbrp_fn gbrapf32le, 32, 1, 0, 1
yuv2gbrp_fn gbrp9be, 9, 0, 1, 0
yuv2gbrp_fn gbrp10be, 10, 0, 1, 0
yuv2gbrp_fn gbrap10be, 10, 1, 1, 0
yuv2gbrp_fn gbrp12be, 12, 0, 1, 0
yuv2gbrp_fn gbrap12be, 12, 1, 1, 0
yuv2gbrp_fn gbrp14be, 14, 0, 1, 0
yuv2gbrp_fn gbrp16be, 16, 0, 1, 0
yuv2gbrp_fn gbrap16be, 16, 1, 1, 0
yuv2gbrp_fn gbrpf32be, 32, 0, 1, 1
yuv2gbrp_fn gbrapf32be, 32, 1, 1, 1
%endmacro
yuv2gbrp_fn_decl XMM, sse2
yuv2gbrp_fn_decl XMM, sse4
%if HAVE_AVX2_EXTERNAL
yuv2gbrp_fn_decl YMM, avx2
%endif
%endif ; ARCH_X86_64
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