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ffmpeg/libavcodec/x86/vp8dsp.asm

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;******************************************************************************
;* VP8 MMXEXT optimizations
;* Copyright (c) 2010 Ronald S. Bultje <rsbultje@gmail.com>
;* Copyright (c) 2010 Fiona Glaser <fiona@x264.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
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, 123
times 8 db 12, -1
times 8 db -9, 93
times 8 db 50, -6
times 8 db -6, 50
times 8 db 93, -9
times 8 db -1, 12
times 8 db 123, -6
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
bilinear_filter_vw_m: times 8 dw 1
times 8 dw 2
times 8 dw 3
times 8 dw 4
times 8 dw 5
times 8 dw 6
times 8 dw 7
bilinear_filter_vb_m: times 8 db 7, 1
times 8 db 6, 2
times 8 db 5, 3
times 8 db 4, 4
times 8 db 3, 5
times 8 db 2, 6
times 8 db 1, 7
%if PIC
%define fourtap_filter_hw picregq
%define sixtap_filter_hw picregq
%define fourtap_filter_hb picregq
%define sixtap_filter_hb picregq
%define fourtap_filter_v picregq
%define sixtap_filter_v picregq
%define bilinear_filter_vw picregq
%define bilinear_filter_vb picregq
%define npicregs 1
%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
%define bilinear_filter_vw bilinear_filter_vw_m
%define bilinear_filter_vb bilinear_filter_vb_m
%define npicregs 0
%endif
filter_h2_shuf: db 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8
filter_h4_shuf: db 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9, 10
filter_h6_shuf1: db 0, 5, 1, 6, 2, 7, 3, 8, 4, 9, 5, 10, 6, 11, 7, 12
filter_h6_shuf2: db 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9
filter_h6_shuf3: db 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9, 10, 10, 11
pw_20091: times 4 dw 20091
pw_17734: times 4 dw 17734
cextern pw_3
cextern pw_4
cextern pw_64
cextern pw_256
SECTION .text
;-------------------------------------------------------------------------------
; subpel MC functions:
;
; void ff_put_vp8_epel<size>_h<htap>v<vtap>_<opt>(uint8_t *dst, ptrdiff_t deststride,
; const uint8_t *src, ptrdiff_t srcstride,
; int height, int mx, int my);
;-------------------------------------------------------------------------------
%macro FILTER_SSSE3 1
cglobal put_vp8_epel%1_h6, 6, 6 + npicregs, 8, dst, dststride, src, srcstride, height, mx, picreg
lea mxd, [mxq*3]
mova m3, [filter_h6_shuf2]
mova m4, [filter_h6_shuf3]
%if PIC
lea picregq, [sixtap_filter_hb_m]
%endif
mova m5, [sixtap_filter_hb+mxq*8-48] ; set up 6tap filter in bytes
mova m6, [sixtap_filter_hb+mxq*8-32]
mova m7, [sixtap_filter_hb+mxq*8-16]
.nextrow:
movu m0, [srcq-2]
mova m1, m0
mova m2, m0
%if mmsize == 8
; For epel4, we need 9 bytes, but only 8 get loaded; to compensate, do the
; shuffle with a memory operand
punpcklbw m0, [srcq+3]
%else
pshufb m0, [filter_h6_shuf1]
%endif
pshufb m1, m3
pshufb m2, m4
pmaddubsw m0, m5
pmaddubsw m1, m6
pmaddubsw m2, m7
paddsw m0, m1
paddsw m0, m2
pmulhrsw m0, [pw_256]
packuswb m0, m0
movh [dstq], m0 ; store
; go to next line
add dstq, dststrideq
add srcq, srcstrideq
dec heightd ; next row
jg .nextrow
RET
cglobal put_vp8_epel%1_h4, 6, 6 + npicregs, 7, dst, dststride, src, srcstride, height, mx, picreg
shl mxd, 4
mova m2, [pw_256]
mova m3, [filter_h2_shuf]
mova m4, [filter_h4_shuf]
%if PIC
lea picregq, [fourtap_filter_hb_m]
%endif
mova m5, [fourtap_filter_hb+mxq-16] ; set up 4tap filter in bytes
mova m6, [fourtap_filter_hb+mxq]
.nextrow:
movu m0, [srcq-1]
mova m1, m0
pshufb m0, m3
pshufb m1, m4
pmaddubsw m0, m5
pmaddubsw m1, m6
paddsw m0, m1
pmulhrsw m0, m2
packuswb m0, m0
movh [dstq], m0 ; store
; go to next line
add dstq, dststrideq
add srcq, srcstrideq
dec heightd ; next row
jg .nextrow
RET
cglobal put_vp8_epel%1_v4, 7, 7, 8, dst, dststride, src, srcstride, height, picreg, my
shl myd, 4
%if PIC
lea picregq, [fourtap_filter_hb_m]
%endif
mova m5, [fourtap_filter_hb+myq-16]
mova m6, [fourtap_filter_hb+myq]
mova m7, [pw_256]
; read 3 lines
sub srcq, srcstrideq
movh m0, [srcq]
movh m1, [srcq+ srcstrideq]
movh m2, [srcq+2*srcstrideq]
add srcq, srcstrideq
.nextrow:
movh m3, [srcq+2*srcstrideq] ; read new row
mova m4, m0
mova m0, m1
punpcklbw m4, m1
mova m1, m2
punpcklbw m2, m3
pmaddubsw m4, m5
pmaddubsw m2, m6
paddsw m4, m2
mova m2, m3
pmulhrsw m4, m7
packuswb m4, m4
movh [dstq], m4
; go to next line
add dstq, dststrideq
add srcq, srcstrideq
dec heightd ; next row
jg .nextrow
RET
cglobal put_vp8_epel%1_v6, 7, 7, 8, dst, dststride, src, srcstride, height, picreg, my
lea myd, [myq*3]
%if PIC
lea picregq, [sixtap_filter_hb_m]
%endif
lea myq, [sixtap_filter_hb+myq*8]
; read 5 lines
sub srcq, srcstrideq
sub srcq, srcstrideq
movh m0, [srcq]
movh m1, [srcq+srcstrideq]
movh m2, [srcq+srcstrideq*2]
lea srcq, [srcq+srcstrideq*2]
add srcq, srcstrideq
movh m3, [srcq]
movh m4, [srcq+srcstrideq]
.nextrow:
movh m5, [srcq+2*srcstrideq] ; read new row
mova m6, m0
punpcklbw m6, m5
mova m0, m1
punpcklbw m1, m2
mova m7, m3
punpcklbw m7, m4
pmaddubsw m6, [myq-48]
pmaddubsw m1, [myq-32]
pmaddubsw m7, [myq-16]
paddsw m6, m1
paddsw m6, m7
mova m1, m2
mova m2, m3
pmulhrsw m6, [pw_256]
mova m3, m4
packuswb m6, m6
mova m4, m5
movh [dstq], m6
; go to next line
add dstq, dststrideq
add srcq, srcstrideq
dec heightd ; next row
jg .nextrow
RET
%endmacro
INIT_MMX ssse3
FILTER_SSSE3 4
INIT_XMM ssse3
FILTER_SSSE3 8
; 4x4 block, H-only 4-tap filter
INIT_MMX mmxext
cglobal put_vp8_epel4_h4, 6, 6 + npicregs, 0, dst, dststride, src, srcstride, height, mx, picreg
shl mxd, 4
%if PIC
lea picregq, [fourtap_filter_hw_m]
%endif
movq mm4, [fourtap_filter_hw+mxq-16] ; set up 4tap filter in words
movq mm5, [fourtap_filter_hw+mxq]
movq mm7, [pw_64]
pxor mm6, mm6
.nextrow:
movq mm1, [srcq-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 [dstq], mm3 ; store
; go to next line
add dstq, dststrideq
add srcq, srcstrideq
dec heightd ; next row
jg .nextrow
RET
; 4x4 block, H-only 6-tap filter
INIT_MMX mmxext
cglobal put_vp8_epel4_h6, 6, 6 + npicregs, 0, dst, dststride, src, srcstride, height, mx, picreg
lea mxd, [mxq*3]
%if PIC
lea picregq, [sixtap_filter_hw_m]
%endif
movq mm4, [sixtap_filter_hw+mxq*8-48] ; set up 4tap filter in words
movq mm5, [sixtap_filter_hw+mxq*8-32]
movq mm6, [sixtap_filter_hw+mxq*8-16]
movq mm7, [pw_64]
pxor mm3, mm3
.nextrow:
movq mm1, [srcq-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, [srcq+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 [dstq], mm1 ; store
; go to next line
add dstq, dststrideq
add srcq, srcstrideq
dec heightd ; next row
jg .nextrow
RET
INIT_XMM sse2
cglobal put_vp8_epel8_h4, 6, 6 + npicregs, 10, dst, dststride, src, srcstride, height, mx, picreg
shl mxd, 5
%if PIC
lea picregq, [fourtap_filter_v_m]
%endif
lea mxq, [fourtap_filter_v+mxq-32]
pxor m7, m7
mova m4, [pw_64]
mova m5, [mxq+ 0]
mova m6, [mxq+16]
%ifdef m8
mova m8, [mxq+32]
mova m9, [mxq+48]
%endif
.nextrow:
movq m0, [srcq-1]
movq m1, [srcq-0]
movq m2, [srcq+1]
movq m3, [srcq+2]
punpcklbw m0, m7
punpcklbw m1, m7
punpcklbw m2, m7
punpcklbw m3, m7
pmullw m0, m5
pmullw m1, m6
%ifdef m8
pmullw m2, m8
pmullw m3, m9
%else
pmullw m2, [mxq+32]
pmullw m3, [mxq+48]
%endif
paddsw m0, m1
paddsw m2, m3
paddsw m0, m2
paddsw m0, m4
psraw m0, 7
packuswb m0, m7
movh [dstq], m0 ; store
; go to next line
add dstq, dststrideq
add srcq, srcstrideq
dec heightd ; next row
jg .nextrow
RET
INIT_XMM sse2
cglobal put_vp8_epel8_h6, 6, 6 + npicregs, 14, dst, dststride, src, srcstride, height, mx, picreg
lea mxd, [mxq*3]
shl mxd, 4
%if PIC
lea picregq, [sixtap_filter_v_m]
%endif
lea mxq, [sixtap_filter_v+mxq-96]
pxor m7, m7
mova m6, [pw_64]
%ifdef m8
mova m8, [mxq+ 0]
mova m9, [mxq+16]
mova m10, [mxq+32]
mova m11, [mxq+48]
mova m12, [mxq+64]
mova m13, [mxq+80]
%endif
.nextrow:
movq m0, [srcq-2]
movq m1, [srcq-1]
movq m2, [srcq-0]
movq m3, [srcq+1]
movq m4, [srcq+2]
movq m5, [srcq+3]
punpcklbw m0, m7
punpcklbw m1, m7
punpcklbw m2, m7
punpcklbw m3, m7
punpcklbw m4, m7
punpcklbw m5, m7
%ifdef m8
pmullw m0, m8
pmullw m1, m9
pmullw m2, m10
pmullw m3, m11
pmullw m4, m12
pmullw m5, m13
%else
pmullw m0, [mxq+ 0]
pmullw m1, [mxq+16]
pmullw m2, [mxq+32]
pmullw m3, [mxq+48]
pmullw m4, [mxq+64]
pmullw m5, [mxq+80]
%endif
paddsw m1, m4
paddsw m0, m5
paddsw m1, m2
paddsw m0, m3
paddsw m0, m1
paddsw m0, m6
psraw m0, 7
packuswb m0, m7
movh [dstq], m0 ; store
; go to next line
add dstq, dststrideq
add srcq, srcstrideq
dec heightd ; next row
jg .nextrow
RET
%macro FILTER_V 1
; 4x4 block, V-only 4-tap filter
cglobal put_vp8_epel%1_v4, 7, 7, 8, dst, dststride, src, srcstride, height, picreg, my
shl myd, 5
%if PIC
lea picregq, [fourtap_filter_v_m]
%endif
lea myq, [fourtap_filter_v+myq-32]
mova m6, [pw_64]
pxor m7, m7
mova m5, [myq+48]
; read 3 lines
sub srcq, srcstrideq
movh m0, [srcq]
movh m1, [srcq+ srcstrideq]
movh m2, [srcq+2*srcstrideq]
add srcq, srcstrideq
punpcklbw m0, m7
punpcklbw m1, m7
punpcklbw m2, m7
.nextrow:
; first calculate negative taps (to prevent losing positive overflows)
movh m4, [srcq+2*srcstrideq] ; read new row
punpcklbw m4, m7
mova m3, m4
pmullw m0, [myq+0]
pmullw m4, m5
paddsw m4, m0
; then calculate positive taps
mova m0, m1
pmullw m1, [myq+16]
paddsw m4, m1
mova m1, m2
pmullw m2, [myq+32]
paddsw m4, m2
mova m2, m3
; round/clip/store
paddsw m4, m6
psraw m4, 7
packuswb m4, m7
movh [dstq], m4
; go to next line
add dstq, dststrideq
add srcq, srcstrideq
dec heightd ; next row
jg .nextrow
RET
; 4x4 block, V-only 6-tap filter
cglobal put_vp8_epel%1_v6, 7, 7, 8, dst, dststride, src, srcstride, height, picreg, my
shl myd, 4
lea myq, [myq*3]
%if PIC
lea picregq, [sixtap_filter_v_m]
%endif
lea myq, [sixtap_filter_v+myq-96]
pxor m7, m7
; read 5 lines
sub srcq, srcstrideq
sub srcq, srcstrideq
movh m0, [srcq]
movh m1, [srcq+srcstrideq]
movh m2, [srcq+srcstrideq*2]
lea srcq, [srcq+srcstrideq*2]
add srcq, srcstrideq
movh m3, [srcq]
movh m4, [srcq+srcstrideq]
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, [myq+16]
mova m6, m4
pmullw m6, [myq+64]
paddsw m6, m5
; then calculate positive taps
movh m5, [srcq+2*srcstrideq] ; read new row
punpcklbw m5, m7
pmullw m0, [myq+0]
paddsw m6, m0
mova m0, m1
mova m1, m2
pmullw m2, [myq+32]
paddsw m6, m2
mova m2, m3
pmullw m3, [myq+48]
paddsw m6, m3
mova m3, m4
mova m4, m5
pmullw m5, [myq+80]
paddsw m6, m5
; round/clip/store
paddsw m6, [pw_64]
psraw m6, 7
packuswb m6, m7
movh [dstq], m6
; go to next line
add dstq, dststrideq
add srcq, srcstrideq
dec heightd ; next row
jg .nextrow
RET
%endmacro
INIT_MMX mmxext
FILTER_V 4
INIT_XMM sse2
FILTER_V 8
%macro FILTER_BILINEAR 1
%if cpuflag(ssse3)
cglobal put_vp8_bilinear%1_v, 7, 7, 5, dst, dststride, src, srcstride, height, picreg, my
shl myd, 4
%if PIC
lea picregq, [bilinear_filter_vb_m]
%endif
pxor m4, m4
mova m3, [bilinear_filter_vb+myq-16]
.nextrow:
movh m0, [srcq+srcstrideq*0]
movh m1, [srcq+srcstrideq*1]
movh m2, [srcq+srcstrideq*2]
punpcklbw m0, m1
punpcklbw m1, m2
pmaddubsw m0, m3
pmaddubsw m1, m3
psraw m0, 2
psraw m1, 2
pavgw m0, m4
pavgw m1, m4
%if mmsize==8
packuswb m0, m0
packuswb m1, m1
movh [dstq+dststrideq*0], m0
movh [dstq+dststrideq*1], m1
%else
packuswb m0, m1
movh [dstq+dststrideq*0], m0
movhps [dstq+dststrideq*1], m0
%endif
%else ; cpuflag(ssse3)
cglobal put_vp8_bilinear%1_v, 7, 7, 7, dst, dststride, src, srcstride, height, picreg, my
shl myd, 4
%if PIC
lea picregq, [bilinear_filter_vw_m]
%endif
pxor m6, m6
mova m5, [bilinear_filter_vw+myq-1*16]
neg myq
mova m4, [bilinear_filter_vw+myq+7*16]
.nextrow:
movh m0, [srcq+srcstrideq*0]
movh m1, [srcq+srcstrideq*1]
movh m3, [srcq+srcstrideq*2]
punpcklbw m0, m6
punpcklbw m1, m6
punpcklbw m3, m6
mova m2, m1
pmullw m0, m4
pmullw m1, m5
pmullw m2, m4
pmullw m3, m5
paddsw m0, m1
paddsw m2, m3
psraw m0, 2
psraw m2, 2
pavgw m0, m6
pavgw m2, m6
%if mmsize == 8
packuswb m0, m0
packuswb m2, m2
movh [dstq+dststrideq*0], m0
movh [dstq+dststrideq*1], m2
%else
packuswb m0, m2
movh [dstq+dststrideq*0], m0
movhps [dstq+dststrideq*1], m0
%endif
%endif ; cpuflag(ssse3)
lea dstq, [dstq+dststrideq*2]
lea srcq, [srcq+srcstrideq*2]
sub heightd, 2
jg .nextrow
RET
%if cpuflag(ssse3)
cglobal put_vp8_bilinear%1_h, 6, 6 + npicregs, 5, dst, dststride, src, srcstride, height, mx, picreg
shl mxd, 4
%if PIC
lea picregq, [bilinear_filter_vb_m]
%endif
pxor m4, m4
mova m2, [filter_h2_shuf]
mova m3, [bilinear_filter_vb+mxq-16]
.nextrow:
movu m0, [srcq+srcstrideq*0]
movu m1, [srcq+srcstrideq*1]
pshufb m0, m2
pshufb m1, m2
pmaddubsw m0, m3
pmaddubsw m1, m3
psraw m0, 2
psraw m1, 2
pavgw m0, m4
pavgw m1, m4
%if mmsize==8
packuswb m0, m0
packuswb m1, m1
movh [dstq+dststrideq*0], m0
movh [dstq+dststrideq*1], m1
%else
packuswb m0, m1
movh [dstq+dststrideq*0], m0
movhps [dstq+dststrideq*1], m0
%endif
%else ; cpuflag(ssse3)
cglobal put_vp8_bilinear%1_h, 6, 6 + npicregs, 7, dst, dststride, src, srcstride, height, mx, picreg
shl mxd, 4
%if PIC
lea picregq, [bilinear_filter_vw_m]
%endif
pxor m6, m6
mova m5, [bilinear_filter_vw+mxq-1*16]
neg mxq
mova m4, [bilinear_filter_vw+mxq+7*16]
.nextrow:
movh m0, [srcq+srcstrideq*0+0]
movh m1, [srcq+srcstrideq*0+1]
movh m2, [srcq+srcstrideq*1+0]
movh m3, [srcq+srcstrideq*1+1]
punpcklbw m0, m6
punpcklbw m1, m6
punpcklbw m2, m6
punpcklbw m3, m6
pmullw m0, m4
pmullw m1, m5
pmullw m2, m4
pmullw m3, m5
paddsw m0, m1
paddsw m2, m3
psraw m0, 2
psraw m2, 2
pavgw m0, m6
pavgw m2, m6
%if mmsize == 8
packuswb m0, m0
packuswb m2, m2
movh [dstq+dststrideq*0], m0
movh [dstq+dststrideq*1], m2
%else
packuswb m0, m2
movh [dstq+dststrideq*0], m0
movhps [dstq+dststrideq*1], m0
%endif
%endif ; cpuflag(ssse3)
lea dstq, [dstq+dststrideq*2]
lea srcq, [srcq+srcstrideq*2]
sub heightd, 2
jg .nextrow
RET
%endmacro
INIT_MMX mmxext
FILTER_BILINEAR 4
INIT_XMM sse2
FILTER_BILINEAR 8
INIT_MMX ssse3
FILTER_BILINEAR 4
INIT_XMM ssse3
FILTER_BILINEAR 8
INIT_MMX mmx
cglobal put_vp8_pixels8, 5, 5, 0, dst, dststride, src, srcstride, height
.nextrow:
movq mm0, [srcq+srcstrideq*0]
movq mm1, [srcq+srcstrideq*1]
lea srcq, [srcq+srcstrideq*2]
movq [dstq+dststrideq*0], mm0
movq [dstq+dststrideq*1], mm1
lea dstq, [dstq+dststrideq*2]
sub heightd, 2
jg .nextrow
RET
INIT_XMM sse
cglobal put_vp8_pixels16, 5, 5, 2, dst, dststride, src, srcstride, height
.nextrow:
movups xmm0, [srcq+srcstrideq*0]
movups xmm1, [srcq+srcstrideq*1]
lea srcq, [srcq+srcstrideq*2]
movaps [dstq+dststrideq*0], xmm0
movaps [dstq+dststrideq*1], xmm1
lea dstq, [dstq+dststrideq*2]
sub heightd, 2
jg .nextrow
RET
;-----------------------------------------------------------------------------
; void ff_vp8_idct_dc_add_<opt>(uint8_t *dst, int16_t block[16], ptrdiff_t stride);
;-----------------------------------------------------------------------------
%macro ADD_DC 4
%4 m2, [dst1q+%3]
%4 m3, [dst1q+strideq+%3]
%4 m4, [dst2q+%3]
%4 m5, [dst2q+strideq+%3]
paddusb m2, %1
paddusb m3, %1
paddusb m4, %1
paddusb m5, %1
psubusb m2, %2
psubusb m3, %2
psubusb m4, %2
psubusb m5, %2
%4 [dst1q+%3], m2
%4 [dst1q+strideq+%3], m3
%4 [dst2q+%3], m4
%4 [dst2q+strideq+%3], m5
%endmacro
%macro VP8_IDCT_DC_ADD 0
cglobal vp8_idct_dc_add, 3, 3, 6, dst, block, stride
; load data
movd m0, [blockq]
pxor m1, m1
; calculate DC
paddw m0, [pw_4]
movd [blockq], m1
DEFINE_ARGS dst1, dst2, stride
lea dst2q, [dst1q+strideq*2]
movd m2, [dst1q]
movd m3, [dst1q+strideq]
movd m4, [dst2q]
movd m5, [dst2q+strideq]
psraw m0, 3
pshuflw m0, m0, 0
punpcklqdq m0, m0
punpckldq m2, m3
punpckldq m4, m5
punpcklbw m2, m1
punpcklbw m4, m1
paddw m2, m0
paddw m4, m0
packuswb m2, m4
movd [dst1q], m2
%if cpuflag(sse4)
pextrd [dst1q+strideq], m2, 1
pextrd [dst2q], m2, 2
pextrd [dst2q+strideq], m2, 3
%else
psrldq m2, 4
movd [dst1q+strideq], m2
psrldq m2, 4
movd [dst2q], m2
psrldq m2, 4
movd [dst2q+strideq], m2
%endif
RET
%endmacro
INIT_XMM sse2
VP8_IDCT_DC_ADD
INIT_XMM sse4
VP8_IDCT_DC_ADD
;-----------------------------------------------------------------------------
; void ff_vp8_idct_dc_add4y_<opt>(uint8_t *dst, int16_t block[4][16], ptrdiff_t stride);
;-----------------------------------------------------------------------------
INIT_XMM sse2
cglobal vp8_idct_dc_add4y, 3, 3, 6, dst, block, stride
; load data
movd m0, [blockq+32*0] ; A
movd m1, [blockq+32*2] ; C
punpcklwd m0, [blockq+32*1] ; A B
punpcklwd m1, [blockq+32*3] ; C D
punpckldq m0, m1 ; A B C D
pxor m1, m1
; calculate DC
paddw m0, [pw_4]
movd [blockq+32*0], m1
movd [blockq+32*1], m1
movd [blockq+32*2], m1
movd [blockq+32*3], m1
psraw m0, 3
psubw m1, m0
packuswb m0, m0
packuswb m1, m1
punpcklbw m0, m0
punpcklbw m1, m1
punpcklbw m0, m0
punpcklbw m1, m1
; add DC
DEFINE_ARGS dst1, dst2, stride
lea dst2q, [dst1q+strideq*2]
ADD_DC m0, m1, 0, mova
RET
;-----------------------------------------------------------------------------
; void ff_vp8_idct_dc_add4uv_<opt>(uint8_t *dst, int16_t block[4][16], ptrdiff_t stride);
;-----------------------------------------------------------------------------
INIT_MMX mmx
cglobal vp8_idct_dc_add4uv, 3, 3, 0, dst, block, stride
; load data
movd m0, [blockq+32*0] ; A
movd m1, [blockq+32*2] ; C
punpcklwd m0, [blockq+32*1] ; A B
punpcklwd m1, [blockq+32*3] ; C D
punpckldq m0, m1 ; A B C D
pxor m6, m6
; calculate DC
paddw m0, [pw_4]
movd [blockq+32*0], m6
movd [blockq+32*1], m6
movd [blockq+32*2], m6
movd [blockq+32*3], m6
psraw m0, 3
psubw m6, m0
packuswb m0, m0
packuswb m6, m6
punpcklbw m0, m0 ; AABBCCDD
punpcklbw m6, m6 ; AABBCCDD
movq m1, m0
movq m7, m6
punpcklbw m0, m0 ; AAAABBBB
punpckhbw m1, m1 ; CCCCDDDD
punpcklbw m6, m6 ; AAAABBBB
punpckhbw m7, m7 ; CCCCDDDD
; add DC
DEFINE_ARGS dst1, dst2, stride
lea dst2q, [dst1q+strideq*2]
ADD_DC m0, m6, 0, mova
lea dst1q, [dst1q+strideq*4]
lea dst2q, [dst2q+strideq*4]
ADD_DC m1, m7, 0, mova
RET
;-----------------------------------------------------------------------------
; void ff_vp8_idct_add_<opt>(uint8_t *dst, int16_t block[16], ptrdiff_t stride);
;-----------------------------------------------------------------------------
; calculate %1=mul_35468(%1)-mul_20091(%2); %2=mul_20091(%1)+mul_35468(%2)
; this macro assumes that m6/m7 have words for 20091/17734 loaded
%macro VP8_MULTIPLY_SUMSUB 4
mova %3, %1
mova %4, %2
pmulhw %3, m6 ;20091(1)
pmulhw %4, m6 ;20091(2)
paddw %3, %1
paddw %4, %2
paddw %1, %1
paddw %2, %2
pmulhw %1, m7 ;35468(1)
pmulhw %2, m7 ;35468(2)
psubw %1, %4
paddw %2, %3
%endmacro
; calculate x0=%1+%3; x1=%1-%3
; x2=mul_35468(%2)-mul_20091(%4); x3=mul_20091(%2)+mul_35468(%4)
; %1=x0+x3 (tmp0); %2=x1+x2 (tmp1); %3=x1-x2 (tmp2); %4=x0-x3 (tmp3)
; %5/%6 are temporary registers
; we assume m6/m7 have constant words 20091/17734 loaded in them
%macro VP8_IDCT_TRANSFORM4x4_1D 6
SUMSUB_BA w, %3, %1, %5 ;t0, t1
VP8_MULTIPLY_SUMSUB m%2, m%4, m%5,m%6 ;t2, t3
SUMSUB_BA w, %4, %3, %5 ;tmp0, tmp3
SUMSUB_BA w, %2, %1, %5 ;tmp1, tmp2
SWAP %4, %1
SWAP %4, %3
%endmacro
INIT_MMX sse
cglobal vp8_idct_add, 3, 3, 0, dst, block, stride
; load block data
movq m0, [blockq+ 0]
movq m1, [blockq+ 8]
movq m2, [blockq+16]
movq m3, [blockq+24]
movq m6, [pw_20091]
movq m7, [pw_17734]
xorps xmm0, xmm0
movaps [blockq+ 0], xmm0
movaps [blockq+16], xmm0
; actual IDCT
VP8_IDCT_TRANSFORM4x4_1D 0, 1, 2, 3, 4, 5
TRANSPOSE4x4W 0, 1, 2, 3, 4
paddw m0, [pw_4]
VP8_IDCT_TRANSFORM4x4_1D 0, 1, 2, 3, 4, 5
TRANSPOSE4x4W 0, 1, 2, 3, 4
; store
pxor m4, m4
DEFINE_ARGS dst1, dst2, stride
lea dst2q, [dst1q+2*strideq]
STORE_DIFFx2 m0, m1, m6, m7, m4, 3, dst1q, strideq
STORE_DIFFx2 m2, m3, m6, m7, m4, 3, dst2q, strideq
RET
;-----------------------------------------------------------------------------
; void ff_vp8_luma_dc_wht(int16_t block[4][4][16], int16_t dc[16])
;-----------------------------------------------------------------------------
%macro SCATTER_WHT 3
movd dc1d, m%1
movd dc2d, m%2
mov [blockq+2*16*(0+%3)], dc1w
mov [blockq+2*16*(1+%3)], dc2w
shr dc1d, 16
shr dc2d, 16
psrlq m%1, 32
psrlq m%2, 32
mov [blockq+2*16*(4+%3)], dc1w
mov [blockq+2*16*(5+%3)], dc2w
movd dc1d, m%1
movd dc2d, m%2
mov [blockq+2*16*(8+%3)], dc1w
mov [blockq+2*16*(9+%3)], dc2w
shr dc1d, 16
shr dc2d, 16
mov [blockq+2*16*(12+%3)], dc1w
mov [blockq+2*16*(13+%3)], dc2w
%endmacro
%macro HADAMARD4_1D 4
SUMSUB_BADC w, %2, %1, %4, %3
SUMSUB_BADC w, %4, %2, %3, %1
SWAP %1, %4, %3
%endmacro
INIT_MMX sse
cglobal vp8_luma_dc_wht, 2, 3, 0, block, dc1, dc2
movq m0, [dc1q]
movq m1, [dc1q+8]
movq m2, [dc1q+16]
movq m3, [dc1q+24]
xorps xmm0, xmm0
movaps [dc1q+ 0], xmm0
movaps [dc1q+16], xmm0
HADAMARD4_1D 0, 1, 2, 3
TRANSPOSE4x4W 0, 1, 2, 3, 4
paddw m0, [pw_3]
HADAMARD4_1D 0, 1, 2, 3
psraw m0, 3
psraw m1, 3
psraw m2, 3
psraw m3, 3
SCATTER_WHT 0, 1, 0
SCATTER_WHT 2, 3, 2
RET
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