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;*****************************************************************************
;* x86-optimized functions for overlay filter
;*
;* Copyright (C) 2018 Paul B Mahol
;* Copyright (C) 2018 Henrik Gramner
;*
;* 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
pb_1: times 16 db 1
pw_128: times 8 dw 128
pw_255: times 8 dw 255
pw_257: times 8 dw 257
SECTION .text
INIT_XMM sse4
cglobal overlay_row_44, 5, 7, 6, 0, dst, da, s, a, w, r, x
xor xq, xq
movsxdifnidn wq, wd
mov rq, wq
and rq, mmsize/2 - 1
cmp wq, mmsize/2
jl .end
sub wq, rq
mova m3, [pw_255]
mova m4, [pw_128]
mova m5, [pw_257]
.loop:
pmovzxbw m0, [sq+xq]
pmovzxbw m2, [aq+xq]
pmovzxbw m1, [dstq+xq]
pmullw m0, m2
pxor m2, m3
pmullw m1, m2
paddw m0, m4
paddw m0, m1
pmulhuw m0, m5
packuswb m0, m0
movq [dstq+xq], m0
add xq, mmsize/2
cmp xq, wq
jl .loop
.end:
mov eax, xd
RET
INIT_XMM sse4
cglobal overlay_row_22, 5, 7, 6, 0, dst, da, s, a, w, r, x
xor xq, xq
movsxdifnidn wq, wd
sub wq, 1
mov rq, wq
and rq, mmsize/2 - 1
cmp wq, mmsize/2
jl .end
sub wq, rq
mova m3, [pw_255]
mova m4, [pw_128]
mova m5, [pw_257]
.loop:
pmovzxbw m0, [sq+xq]
movu m1, [aq+2*xq]
pandn m2, m3, m1
psllw m1, 8
pavgw m2, m1
pavgw m2, m1
psrlw m2, 8
pmovzxbw m1, [dstq+xq]
pmullw m0, m2
pxor m2, m3
pmullw m1, m2
paddw m0, m4
paddw m0, m1
pmulhuw m0, m5
packuswb m0, m0
movq [dstq+xq], m0
add xq, mmsize/2
cmp xq, wq
jl .loop
.end:
mov eax, xd
RET
INIT_XMM sse4
cglobal overlay_row_20, 6, 7, 7, 0, dst, da, s, a, w, r, x
mov daq, aq
add daq, rmp
xor xq, xq
movsxdifnidn wq, wd
sub wq, 1
mov rq, wq
and rq, mmsize/2 - 1
cmp wq, mmsize/2
jl .end
sub wq, rq
mova m3, [pw_255]
mova m4, [pw_128]
mova m5, [pw_257]
mova m6, [pb_1]
.loop:
pmovzxbw m0, [sq+xq]
movu m2, [aq+2*xq]
movu m1, [daq+2*xq]
pmaddubsw m2, m6
pmaddubsw m1, m6
paddw m2, m1
psrlw m2, 2
pmovzxbw m1, [dstq+xq]
pmullw m0, m2
pxor m2, m3
pmullw m1, m2
paddw m0, m4
paddw m0, m1
pmulhuw m0, m5
packuswb m0, m0
movq [dstq+xq], m0
add xq, mmsize/2
cmp xq, wq
jl .loop
.end:
mov eax, xd
RET
|
