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|
;******************************************************************************
;* VP8 MMXEXT optimizations
;* Copyright (c) 2010 Ronald S. Bultje <rsbultje@gmail.com>
;* Copyright (c) 2010 Jason Garrett-Glaser <darkshikari@gmail.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
;* 51, Inc., Foundation Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
;******************************************************************************
%include "x86inc.asm"
SECTION_RODATA
fourtap_filter_hw_m: times 4 dw -6, 123
times 4 dw 12, -1
times 4 dw -9, 93
times 4 dw 50, -6
times 4 dw -6, 50
times 4 dw 93, -9
times 4 dw -1, 12
times 4 dw 123, -6
sixtap_filter_hw_m: times 4 dw 2, -11
times 4 dw 108, 36
times 4 dw -8, 1
times 4 dw 3, -16
times 4 dw 77, 77
times 4 dw -16, 3
times 4 dw 1, -8
times 4 dw 36, 108
times 4 dw -11, 2
fourtap_filter_hb_m: times 8 db -6, -1
times 8 db 123, 12
times 8 db -9, -6
times 8 db 93, 50
times 8 db -6, -9
times 8 db 50, 93
times 8 db -1, -6
times 8 db 12, 123
sixtap_filter_hb_m: times 8 db 2, 1
times 8 db -11, 108
times 8 db 36, -8
times 8 db 3, 3
times 8 db -16, 77
times 8 db 77, -16
times 8 db 1, 2
times 8 db -8, 36
times 8 db 108, -11
fourtap_filter_v_m: times 8 dw -6
times 8 dw 123
times 8 dw 12
times 8 dw -1
times 8 dw -9
times 8 dw 93
times 8 dw 50
times 8 dw -6
times 8 dw -6
times 8 dw 50
times 8 dw 93
times 8 dw -9
times 8 dw -1
times 8 dw 12
times 8 dw 123
times 8 dw -6
sixtap_filter_v_m: times 8 dw 2
times 8 dw -11
times 8 dw 108
times 8 dw 36
times 8 dw -8
times 8 dw 1
times 8 dw 3
times 8 dw -16
times 8 dw 77
times 8 dw 77
times 8 dw -16
times 8 dw 3
times 8 dw 1
times 8 dw -8
times 8 dw 36
times 8 dw 108
times 8 dw -11
times 8 dw 2
%ifdef PIC
%define fourtap_filter_hw r11
%define sixtap_filter_hw r11
%define fourtap_filter_hb r11
%define sixtap_filter_hb r11
%define fourtap_filter_v r11
%define sixtap_filter_v r11
%else
%define fourtap_filter_hw fourtap_filter_hw_m
%define sixtap_filter_hw sixtap_filter_hw_m
%define fourtap_filter_hb fourtap_filter_hb_m
%define sixtap_filter_hb sixtap_filter_hb_m
%define fourtap_filter_v fourtap_filter_v_m
%define sixtap_filter_v sixtap_filter_v_m
%endif
filter_v4_shuf1: db 0, 3, 1, 4, 2, 5, 3, 6, 4, 7, 5, 8, 6, 9, 7, 10
filter_v4_shuf2: db 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9
filter_v6_shuf1: db 0, 5, 1, 6, 2, 7, 3, 8, 4, 9, 5, 10, 6, 11, 7, 12
filter_v6_shuf2: db 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9
filter_v6_shuf3: db 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9, 10, 10, 11
cextern pw_4
cextern pw_64
SECTION .text
;-----------------------------------------------------------------------------
; subpel MC functions:
;
; void put_vp8_epel<size>_h<htap>v<vtap>_<opt>(uint8_t *dst, int deststride,
; uint8_t *src, int srcstride,
; int height, int mx, int my);
;-----------------------------------------------------------------------------
; 4x4 block, H-only 4-tap filter
cglobal put_vp8_epel4_h4_mmxext, 6, 6
shl r5d, 4
%ifdef PIC
lea r11, [fourtap_filter_hw_m]
%endif
movq mm4, [fourtap_filter_hw+r5-16] ; set up 4tap filter in words
movq mm5, [fourtap_filter_hw+r5]
movq mm7, [pw_64]
pxor mm6, mm6
.nextrow
movq mm1, [r2-1] ; (ABCDEFGH) load 8 horizontal pixels
; first set of 2 pixels
movq mm2, mm1 ; byte ABCD..
punpcklbw mm1, mm6 ; byte->word ABCD
pshufw mm0, mm2, 9 ; byte CDEF..
punpcklbw mm0, mm6 ; byte->word CDEF
pshufw mm3, mm1, 0x94 ; word ABBC
pshufw mm1, mm0, 0x94 ; word CDDE
pmaddwd mm3, mm4 ; multiply 2px with F0/F1
movq mm0, mm1 ; backup for second set of pixels
pmaddwd mm1, mm5 ; multiply 2px with F2/F3
paddd mm3, mm1 ; finish 1st 2px
; second set of 2 pixels, use backup of above
punpckhbw mm2, mm6 ; byte->word EFGH
pmaddwd mm0, mm4 ; multiply backed up 2px with F0/F1
pshufw mm1, mm2, 0x94 ; word EFFG
pmaddwd mm1, mm5 ; multiply 2px with F2/F3
paddd mm0, mm1 ; finish 2nd 2px
; merge two sets of 2 pixels into one set of 4, round/clip/store
packssdw mm3, mm0 ; merge dword->word (4px)
paddsw mm3, mm7 ; rounding
psraw mm3, 7
packuswb mm3, mm6 ; clip and word->bytes
movd [r0], mm3 ; store
; go to next line
add r0, r1
add r2, r3
dec r4 ; next row
jg .nextrow
REP_RET
; 4x4 block, H-only 6-tap filter
cglobal put_vp8_epel4_h6_mmxext, 6, 6
lea r5d, [r5*3]
%ifdef PIC
lea r11, [sixtap_filter_hw_m]
%endif
movq mm4, [sixtap_filter_hw+r5*8-48] ; set up 4tap filter in words
movq mm5, [sixtap_filter_hw+r5*8-32]
movq mm6, [sixtap_filter_hw+r5*8-16]
movq mm7, [pw_64]
pxor mm3, mm3
.nextrow
movq mm1, [r2-2] ; (ABCDEFGH) load 8 horizontal pixels
; first set of 2 pixels
movq mm2, mm1 ; byte ABCD..
punpcklbw mm1, mm3 ; byte->word ABCD
pshufw mm0, mm2, 0x9 ; byte CDEF..
punpckhbw mm2, mm3 ; byte->word EFGH
punpcklbw mm0, mm3 ; byte->word CDEF
pshufw mm1, mm1, 0x94 ; word ABBC
pshufw mm2, mm2, 0x94 ; word EFFG
pmaddwd mm1, mm4 ; multiply 2px with F0/F1
pshufw mm3, mm0, 0x94 ; word CDDE
movq mm0, mm3 ; backup for second set of pixels
pmaddwd mm3, mm5 ; multiply 2px with F2/F3
paddd mm1, mm3 ; add to 1st 2px cache
movq mm3, mm2 ; backup for second set of pixels
pmaddwd mm2, mm6 ; multiply 2px with F4/F5
paddd mm1, mm2 ; finish 1st 2px
; second set of 2 pixels, use backup of above
movd mm2, [r2+3] ; byte FGHI (prevent overreads)
pmaddwd mm0, mm4 ; multiply 1st backed up 2px with F0/F1
pmaddwd mm3, mm5 ; multiply 2nd backed up 2px with F2/F3
paddd mm0, mm3 ; add to 2nd 2px cache
pxor mm3, mm3
punpcklbw mm2, mm3 ; byte->word FGHI
pshufw mm2, mm2, 0xE9 ; word GHHI
pmaddwd mm2, mm6 ; multiply 2px with F4/F5
paddd mm0, mm2 ; finish 2nd 2px
; merge two sets of 2 pixels into one set of 4, round/clip/store
packssdw mm1, mm0 ; merge dword->word (4px)
paddsw mm1, mm7 ; rounding
psraw mm1, 7
packuswb mm1, mm3 ; clip and word->bytes
movd [r0], mm1 ; store
; go to next line
add r0, r1
add r2, r3
dec r4 ; next row
jg .nextrow
REP_RET
; 4x4 block, H-only 4-tap filter
INIT_XMM
cglobal put_vp8_epel8_h4_sse2, 6, 6, 8
shl r5d, 4
%ifdef PIC
lea r11, [fourtap_filter_hw_m]
%endif
mova m5, [fourtap_filter_hw+r5-16] ; set up 4tap filter in words
mova m6, [fourtap_filter_hw+r5]
pxor m7, m7
.nextrow
movh m0, [r2-1]
punpcklbw m0, m7 ; ABCDEFGH
mova m1, m0
mova m2, m0
mova m3, m0
psrldq m1, 2 ; BCDEFGH
psrldq m2, 4 ; CDEFGH
psrldq m3, 6 ; DEFGH
punpcklwd m0, m1 ; ABBCCDDE
punpcklwd m2, m3 ; CDDEEFFG
pmaddwd m0, m5
pmaddwd m2, m6
paddd m0, m2
movh m1, [r2+3]
punpcklbw m1, m7 ; ABCDEFGH
mova m2, m1
mova m3, m1
mova m4, m1
psrldq m2, 2 ; BCDEFGH
psrldq m3, 4 ; CDEFGH
psrldq m4, 6 ; DEFGH
punpcklwd m1, m2 ; ABBCCDDE
punpcklwd m3, m4 ; CDDEEFFG
pmaddwd m1, m5
pmaddwd m3, m6
paddd m1, m3
packssdw m0, m1
paddsw m0, [pw_64]
psraw m0, 7
packuswb m0, m7
movh [r0], m0 ; store
; go to next line
add r0, r1
add r2, r3
dec r4 ; next row
jg .nextrow
REP_RET
cglobal put_vp8_epel8_h6_sse2, 6, 6, 8
lea r5d, [r5*3]
%ifdef PIC
lea r11, [sixtap_filter_hw_m]
%endif
lea r5, [sixtap_filter_hw+r5*8]
pxor m7, m7
.nextrow
movu m0, [r2-2]
mova m6, m0
mova m4, m0
punpcklbw m0, m7 ; ABCDEFGHI
mova m1, m0
mova m2, m0
mova m3, m0
psrldq m1, 2 ; BCDEFGH
psrldq m2, 4 ; CDEFGH
psrldq m3, 6 ; DEFGH
psrldq m4, 4
punpcklbw m4, m7 ; EFGH
mova m5, m4
psrldq m5, 2 ; FGH
punpcklwd m0, m1 ; ABBCCDDE
punpcklwd m2, m3 ; CDDEEFFG
punpcklwd m4, m5 ; EFFGGHHI
pmaddwd m0, [r5-48]
pmaddwd m2, [r5-32]
pmaddwd m4, [r5-16]
paddd m0, m2
paddd m0, m4
psrldq m6, 4
mova m4, m6
punpcklbw m6, m7 ; ABCDEFGHI
mova m1, m6
mova m2, m6
mova m3, m6
psrldq m1, 2 ; BCDEFGH
psrldq m2, 4 ; CDEFGH
psrldq m3, 6 ; DEFGH
psrldq m4, 4
punpcklbw m4, m7 ; EFGH
mova m5, m4
psrldq m5, 2 ; FGH
punpcklwd m6, m1 ; ABBCCDDE
punpcklwd m2, m3 ; CDDEEFFG
punpcklwd m4, m5 ; EFFGGHHI
pmaddwd m6, [r5-48]
pmaddwd m2, [r5-32]
pmaddwd m4, [r5-16]
paddd m6, m2
paddd m6, m4
packssdw m0, m6
paddsw m0, [pw_64]
psraw m0, 7
packuswb m0, m7
movh [r0], m0 ; store
; go to next line
add r0, r1
add r2, r3
dec r4 ; next row
jg .nextrow
REP_RET
cglobal put_vp8_epel8_h4_ssse3, 6, 6, 7
shl r5d, 4
mova m2, [pw_64]
mova m3, [filter_v4_shuf1]
mova m4, [filter_v4_shuf2]
%ifdef PIC
lea r11, [fourtap_filter_hb_m]
%endif
mova m5, [fourtap_filter_hb+r5-16] ; set up 4tap filter in bytes
mova m6, [fourtap_filter_hb+r5]
.nextrow
movu m0, [r2-1]
mova m1, m0
pshufb m0, m3
pshufb m1, m4
pmaddubsw m0, m5
pmaddubsw m1, m6
paddsw m0, m2
paddsw m0, m1
psraw m0, 7
packuswb m0, m0
movh [r0], m0 ; store
; go to next line
add r0, r1
add r2, r3
dec r4 ; next row
jg .nextrow
REP_RET
cglobal put_vp8_epel8_h6_ssse3, 6, 6, 8
lea r5d, [r5*3]
mova m3, [filter_v6_shuf1]
mova m4, [filter_v6_shuf2]
%ifdef PIC
lea r11, [sixtap_filter_hb_m]
%endif
mova m5, [sixtap_filter_hb+r5*8-48] ; set up 6tap filter in bytes
mova m6, [sixtap_filter_hb+r5*8-32]
mova m7, [sixtap_filter_hb+r5*8-16]
.nextrow
movu m0, [r2-2]
mova m1, m0
mova m2, m0
pshufb m0, m3
pshufb m1, m4
pshufb m2, [filter_v6_shuf3]
pmaddubsw m0, m5
pmaddubsw m1, m6
pmaddubsw m2, m7
paddsw m0, m1
paddsw m0, m2
paddsw m0, [pw_64]
psraw m0, 7
packuswb m0, m0
movh [r0], m0 ; store
; go to next line
add r0, r1
add r2, r3
dec r4 ; next row
jg .nextrow
REP_RET
%macro FILTER_V 3
; 4x4 block, V-only 4-tap filter
cglobal put_vp8_epel%2_v4_%1, 7, 7, %3
shl r6d, 5
%ifdef PIC
lea r11, [fourtap_filter_v_m]
%endif
lea r6, [fourtap_filter_v+r6-32]
mova m6, [pw_64]
pxor m7, m7
mova m5, [r6+48]
; read 3 lines
sub r2, r3
movh m0, [r2]
movh m1, [r2+ r3]
movh m2, [r2+2*r3]
add r2, r3
punpcklbw m0, m7
punpcklbw m1, m7
punpcklbw m2, m7
.nextrow
; first calculate negative taps (to prevent losing positive overflows)
movh m4, [r2+2*r3] ; read new row
punpcklbw m4, m7
mova m3, m4
pmullw m0, [r6+0]
pmullw m4, m5
paddsw m4, m0
; then calculate positive taps
mova m0, m1
pmullw m1, [r6+16]
paddsw m4, m1
mova m1, m2
pmullw m2, [r6+32]
paddsw m4, m2
mova m2, m3
; round/clip/store
paddsw m4, m6
psraw m4, 7
packuswb m4, m7
movh [r0], m4
; go to next line
add r0, r1
add r2, r3
dec r4 ; next row
jg .nextrow
REP_RET
; 4x4 block, V-only 6-tap filter
cglobal put_vp8_epel%2_v6_%1, 7, 7, %3
shl r6d, 4
lea r6, [r6*3]
%ifdef PIC
lea r11, [sixtap_filter_v_m]
%endif
lea r6, [sixtap_filter_v+r6-96]
pxor m7, m7
; read 5 lines
sub r2, r3
sub r2, r3
movh m0, [r2]
movh m1, [r2+r3]
movh m2, [r2+r3*2]
lea r2, [r2+r3*2]
add r2, r3
movh m3, [r2]
movh m4, [r2+r3]
punpcklbw m0, m7
punpcklbw m1, m7
punpcklbw m2, m7
punpcklbw m3, m7
punpcklbw m4, m7
.nextrow
; first calculate negative taps (to prevent losing positive overflows)
mova m5, m1
pmullw m5, [r6+16]
mova m6, m4
pmullw m6, [r6+64]
paddsw m6, m5
; then calculate positive taps
movh m5, [r2+2*r3] ; read new row
punpcklbw m5, m7
pmullw m0, [r6+0]
paddsw m6, m0
mova m0, m1
mova m1, m2
pmullw m2, [r6+32]
paddsw m6, m2
mova m2, m3
pmullw m3, [r6+48]
paddsw m6, m3
mova m3, m4
mova m4, m5
pmullw m5, [r6+80]
paddsw m6, m5
; round/clip/store
paddsw m6, [pw_64]
psraw m6, 7
packuswb m6, m7
movh [r0], m6
; go to next line
add r0, r1
add r2, r3
dec r4 ; next row
jg .nextrow
REP_RET
%endmacro
INIT_MMX
FILTER_V mmxext, 4, 0
INIT_XMM
FILTER_V sse2, 8, 8
cglobal put_vp8_epel8_v4_ssse3, 7, 7, 8
shl r6d, 4
%ifdef PIC
lea r11, [fourtap_filter_hb_m]
%endif
mova m5, [fourtap_filter_hb+r6-16]
mova m6, [fourtap_filter_hb+r6]
mova m7, [pw_64]
; read 3 lines
sub r2, r3
movh m0, [r2]
movh m1, [r2+ r3]
movh m2, [r2+2*r3]
add r2, r3
.nextrow
movh m3, [r2+2*r3] ; read new row
mova m4, m0
mova m0, m1
punpcklbw m4, m3
punpcklbw m1, m2
pmaddubsw m4, m5
pmaddubsw m1, m6
paddsw m4, m1
mova m1, m2
paddsw m4, m7
mova m2, m3
psraw m4, 7
packuswb m4, m4
movh [r0], m4
; go to next line
add r0, r1
add r2, r3
dec r4 ; next row
jg .nextrow
REP_RET
cglobal put_vp8_epel8_v6_ssse3, 7, 7, 8
lea r6d, [r6*3]
%ifdef PIC
lea r11, [sixtap_filter_hb_m]
%endif
lea r6, [sixtap_filter_hb+r6*8]
; read 5 lines
sub r2, r3
sub r2, r3
movh m0, [r2]
movh m1, [r2+r3]
movh m2, [r2+r3*2]
lea r2, [r2+r3*2]
add r2, r3
movh m3, [r2]
movh m4, [r2+r3]
.nextrow
movh m5, [r2+2*r3] ; read new row
mova m6, m0
punpcklbw m6, m5
mova m0, m1
punpcklbw m1, m2
mova m7, m3
punpcklbw m7, m4
pmaddubsw m6, [r6-48]
pmaddubsw m1, [r6-32]
pmaddubsw m7, [r6-16]
paddsw m6, m1
paddsw m6, m7
mova m1, m2
paddsw m6, [pw_64]
mova m2, m3
psraw m6, 7
mova m3, m4
packuswb m6, m6
mova m4, m5
movh [r0], m6
; go to next line
add r0, r1
add r2, r3
dec r4 ; next row
jg .nextrow
REP_RET
;-----------------------------------------------------------------------------
; IDCT functions:
;
; void vp8_idct_dc_add_<opt>(uint8_t *dst, DCTELEM block[16], int stride);
;-----------------------------------------------------------------------------
cglobal vp8_idct_dc_add_mmx, 3, 3
; load data
movd mm0, [r1]
; calculate DC
paddw mm0, [pw_4]
pxor mm1, mm1
psraw mm0, 3
psubw mm1, mm0
packuswb mm0, mm0
packuswb mm1, mm1
punpcklbw mm0, mm0
punpcklbw mm1, mm1
punpcklwd mm0, mm0
punpcklwd mm1, mm1
; add DC
lea r1, [r0+r2*2]
movd mm2, [r0]
movd mm3, [r0+r2]
movd mm4, [r1]
movd mm5, [r1+r2]
paddusb mm2, mm0
paddusb mm3, mm0
paddusb mm4, mm0
paddusb mm5, mm0
psubusb mm2, mm1
psubusb mm3, mm1
psubusb mm4, mm1
psubusb mm5, mm1
movd [r0], mm2
movd [r0+r2], mm3
movd [r1], mm4
movd [r1+r2], mm5
RET
cglobal vp8_idct_dc_add_sse4, 3, 3, 6
; load data
movd xmm0, [r1]
lea r1, [r0+r2*2]
pxor xmm1, xmm1
movq xmm2, [pw_4]
; calculate DC
paddw xmm0, xmm2
movd xmm2, [r0]
movd xmm3, [r0+r2]
movd xmm4, [r1]
movd xmm5, [r1+r2]
psraw xmm0, 3
pshuflw xmm0, xmm0, 0
punpcklqdq xmm0, xmm0
punpckldq xmm2, xmm3
punpckldq xmm4, xmm5
punpcklbw xmm2, xmm1
punpcklbw xmm4, xmm1
paddw xmm2, xmm0
paddw xmm4, xmm0
packuswb xmm2, xmm4
movd [r0], xmm2
pextrd [r0+r2], xmm2, 1
pextrd [r1], xmm2, 2
pextrd [r1+r2], xmm2, 3
RET
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