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;*****************************************************************************
;* x86-optimized functions for blend filter
;*
;* Copyright (C) 2015 Paul B Mahol
;* Copyright (C) 2018 Henrik Gramner
;* Copyright (C) 2018 Jokyo Images
;*
;* 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
ps_255: times 4 dd 255.0
pd_32768 : times 4 dd 32768
pd_65535 : times 4 dd 65535
pw_1: times 8 dw 1
pw_128: times 8 dw 128
pw_255: times 8 dw 255
pb_127: times 16 db 127
pb_128: times 16 db 128
pb_255: times 16 db 255
SECTION .text
%macro BLEND_INIT 2-3 0
%if ARCH_X86_64
cglobal blend_%1, 6, 9, %2, top, top_linesize, bottom, bottom_linesize, dst, dst_linesize, width, end, x
mov widthd, dword widthm
%if %3; is 16 bit
add widthq, widthq ; doesn't compile on x86_32
%endif
%else
cglobal blend_%1, 5, 7, %2, top, top_linesize, bottom, bottom_linesize, dst, end, x
%define dst_linesizeq r5mp
%define widthq r6mp
%endif
mov endd, dword r7m
add topq, widthq
add bottomq, widthq
add dstq, widthq
neg widthq
%endmacro
%macro BLEND_END 0
add topq, top_linesizeq
add bottomq, bottom_linesizeq
add dstq, dst_linesizeq
sub endd, 1
jg .nextrow
RET
%endmacro
%macro BLEND_SIMPLE 2-3 0
BLEND_INIT %1, 2, %3
.nextrow:
mov xq, widthq
.loop:
movu m0, [topq + xq]
movu m1, [bottomq + xq]
p%2 m0, m1
movu [dstq + xq], m0
add xq, mmsize
jl .loop
BLEND_END
%endmacro
; %1 name , %2 src (b or w), %3 inter (w or d), %4 (1 if 16bit, not set if 8 bit)
%macro GRAINEXTRACT 3-4 0
BLEND_INIT %1, 6, %4
pxor m4, m4
%if %4 ; 16 bit
VBROADCASTI128 m5, [pd_32768]
%else
VBROADCASTI128 m5, [pw_128]
%endif
.nextrow:
mov xq, widthq
.loop:
movu m1, [topq + xq]
movu m3, [bottomq + xq]
punpckl%2%3 m0, m1, m4
punpckh%2%3 m1, m4
punpckl%2%3 m2, m3, m4
punpckh%2%3 m3, m4
padd%3 m0, m5
padd%3 m1, m5
psub%3 m0, m2
psub%3 m1, m3
packus%3%2 m0, m1
movu [dstq + xq], m0
add xq, mmsize
jl .loop
BLEND_END
%endmacro
%macro MULTIPLY 3 ; a, b, pw_1
pmullw %1, %2 ; xxxxxxxx a * b
paddw %1, %3
psrlw %2, %1, 8
paddw %1, %2
psrlw %1, 8 ; 00xx00xx a * b / 255
%endmacro
%macro SCREEN 4 ; a, b, pw_1, pw_255
pxor %1, %4 ; 00xx00xx 255 - a
pxor %2, %4
MULTIPLY %1, %2, %3
pxor %1, %4 ; 00xx00xx 255 - x / 255
%endmacro
%macro BLEND_MULTIPLY 0
BLEND_INIT multiply, 6
pxor m4, m4
VBROADCASTI128 m5, [pw_1]
.nextrow:
mov xq, widthq
.loop:
movu m1, [topq + xq]
movu m3, [bottomq + xq]
punpcklbw m0, m1, m4
punpckhbw m1, m4
punpcklbw m2, m3, m4
punpckhbw m3, m4
MULTIPLY m0, m2, m5
MULTIPLY m1, m3, m5
packuswb m0, m1
movu [dstq + xq], m0
add xq, mmsize
jl .loop
BLEND_END
%endmacro
%macro BLEND_SCREEN 0
BLEND_INIT screen, 7
pxor m4, m4
VBROADCASTI128 m5, [pw_1]
VBROADCASTI128 m6, [pw_255]
.nextrow:
mov xq, widthq
.loop:
movu m1, [topq + xq]
movu m3, [bottomq + xq]
punpcklbw m0, m1, m4
punpckhbw m1, m4
punpcklbw m2, m3, m4
punpckhbw m3, m4
SCREEN m0, m2, m5, m6
SCREEN m1, m3, m5, m6
packuswb m0, m1
movu [dstq + xq], m0
add xq, mmsize
jl .loop
BLEND_END
%endmacro
;%1 name, %2 (b or w), %3 (set if 16 bit)
%macro AVERAGE 2-3 0
BLEND_INIT %1, 3, %3
pcmpeqb m2, m2
.nextrow:
mov xq, widthq
.loop:
movu m0, [topq + xq]
movu m1, [bottomq + xq]
pxor m0, m2
pxor m1, m2
pavg%2 m0, m1
pxor m0, m2
movu [dstq + xq], m0
add xq, mmsize
jl .loop
BLEND_END
%endmacro
; %1 name , %2 src (b or w), %3 inter (w or d), %4 (1 if 16bit, not set if 8 bit)
%macro GRAINMERGE 3-4 0
BLEND_INIT %1, 6, %4
pxor m4, m4
%if %4 ; 16 bit
VBROADCASTI128 m5, [pd_32768]
%else
VBROADCASTI128 m5, [pw_128]
%endif
.nextrow:
mov xq, widthq
.loop:
movu m1, [topq + xq]
movu m3, [bottomq + xq]
punpckl%2%3 m0, m1, m4
punpckh%2%3 m1, m4
punpckl%2%3 m2, m3, m4
punpckh%2%3 m3, m4
padd%3 m0, m2
padd%3 m1, m3
psub%3 m0, m5
psub%3 m1, m5
packus%3%2 m0, m1
movu [dstq + xq], m0
add xq, mmsize
jl .loop
BLEND_END
%endmacro
%macro HARDMIX 0
BLEND_INIT hardmix, 5
VBROADCASTI128 m2, [pb_255]
VBROADCASTI128 m3, [pb_128]
VBROADCASTI128 m4, [pb_127]
.nextrow:
mov xq, widthq
.loop:
movu m0, [topq + xq]
movu m1, [bottomq + xq]
pxor m1, m4
pxor m0, m3
pcmpgtb m1, m0
pxor m1, m2
movu [dstq + xq], m1
add xq, mmsize
jl .loop
BLEND_END
%endmacro
%macro DIVIDE 0
BLEND_INIT divide, 4
pxor m2, m2
mova m3, [ps_255]
.nextrow:
mov xq, widthq
.loop:
movd m0, [topq + xq] ; 000000xx
movd m1, [bottomq + xq]
punpcklbw m0, m2 ; 00000x0x
punpcklbw m1, m2
punpcklwd m0, m2 ; 000x000x
punpcklwd m1, m2
cvtdq2ps m0, m0
cvtdq2ps m1, m1
divps m0, m1 ; a / b
mulps m0, m3 ; a / b * 255
minps m0, m3
cvttps2dq m0, m0
packssdw m0, m0 ; 00000x0x
packuswb m0, m0 ; 000000xx
movd [dstq + xq], m0
add xq, mmsize / 4
jl .loop
BLEND_END
%endmacro
%macro PHOENIX 2-3 0
; %1 name, %2 b or w, %3 (opt) 1 if 16 bit
BLEND_INIT %1, 4, %3
VBROADCASTI128 m3, [pb_255]
.nextrow:
mov xq, widthq
.loop:
movu m0, [topq + xq]
movu m1, [bottomq + xq]
mova m2, m0
pminu%2 m0, m1
pmaxu%2 m1, m2
mova m2, m3
psubus%2 m2, m1
paddus%2 m2, m0
movu [dstq + xq], m2
add xq, mmsize
jl .loop
BLEND_END
%endmacro
; %1 name , %2 src (b or w), %3 inter (w or d), %4 (1 if 16bit, not set if 8 bit)
%macro DIFFERENCE 3-4 0
BLEND_INIT %1, 5, %4
pxor m2, m2
.nextrow:
mov xq, widthq
.loop:
movu m0, [topq + xq]
movu m1, [bottomq + xq]
punpckh%2%3 m3, m0, m2
punpckl%2%3 m0, m2
punpckh%2%3 m4, m1, m2
punpckl%2%3 m1, m2
psub%3 m0, m1
psub%3 m3, m4
%if %4; 16 bit
pabsd m0, m0
pabsd m3, m3
%else
ABS2 m0, m3, m1, m4
%endif
packus%3%2 m0, m3
movu [dstq + xq], m0
add xq, mmsize
jl .loop
BLEND_END
%endmacro
; %1 name , %2 src (b or w), %3 inter (w or d), %4 (1 if 16bit, not set if 8 bit)
%macro EXTREMITY 3-4 0
BLEND_INIT %1, 8, %4
pxor m2, m2
%if %4; 16 bit
VBROADCASTI128 m4, [pd_65535]
%else
VBROADCASTI128 m4, [pw_255]
%endif
.nextrow:
mov xq, widthq
.loop:
movu m0, [topq + xq]
movu m1, [bottomq + xq]
punpckh%2%3 m5, m0, m2
punpckl%2%3 m0, m2
punpckh%2%3 m6, m1, m2
punpckl%2%3 m1, m2
psub%3 m3, m4, m0
psub%3 m7, m4, m5
psub%3 m3, m1
psub%3 m7, m6
%if %4; 16 bit
pabsd m3, m3
pabsd m7, m7
%else
ABS2 m3, m7, m1, m6
%endif
packus%3%2 m3, m7
movu [dstq + xq], m3
add xq, mmsize
jl .loop
BLEND_END
%endmacro
%macro NEGATION 3-4 0
BLEND_INIT %1, 8, %4
pxor m2, m2
%if %4; 16 bit
VBROADCASTI128 m4, [pd_65535]
%else
VBROADCASTI128 m4, [pw_255]
%endif
.nextrow:
mov xq, widthq
.loop:
movu m0, [topq + xq]
movu m1, [bottomq + xq]
punpckh%2%3 m5, m0, m2
punpckl%2%3 m0, m2
punpckh%2%3 m6, m1, m2
punpckl%2%3 m1, m2
psub%3 m3, m4, m0
psub%3 m7, m4, m5
psub%3 m3, m1
psub%3 m7, m6
%if %4; 16 bit
pabsd m3, m3
pabsd m7, m7
%else
ABS2 m3, m7, m1, m6
%endif
psub%3 m0, m4, m3
psub%3 m1, m4, m7
packus%3%2 m0, m1
movu [dstq + xq], m0
add xq, mmsize
jl .loop
BLEND_END
%endmacro
INIT_XMM sse2
BLEND_SIMPLE xor, xor
BLEND_SIMPLE or, or
BLEND_SIMPLE and, and
BLEND_SIMPLE addition, addusb
BLEND_SIMPLE subtract, subusb
BLEND_SIMPLE darken, minub
BLEND_SIMPLE lighten, maxub
GRAINEXTRACT grainextract, b, w
BLEND_MULTIPLY
BLEND_SCREEN
AVERAGE average, b
GRAINMERGE grainmerge, b, w
HARDMIX
PHOENIX phoenix, b
DIFFERENCE difference, b, w
DIVIDE
EXTREMITY extremity, b, w
NEGATION negation, b, w
%if ARCH_X86_64
BLEND_SIMPLE addition_16, addusw, 1
BLEND_SIMPLE and_16, and, 1
BLEND_SIMPLE or_16, or, 1
BLEND_SIMPLE subtract_16, subusw, 1
BLEND_SIMPLE xor_16, xor, 1
AVERAGE average_16, w, 1
%endif
INIT_XMM ssse3
DIFFERENCE difference, b, w
EXTREMITY extremity, b, w
NEGATION negation, b, w
INIT_XMM sse4
%if ARCH_X86_64
BLEND_SIMPLE darken_16, minuw, 1
BLEND_SIMPLE lighten_16, maxuw, 1
GRAINEXTRACT grainextract_16, w, d, 1
GRAINMERGE grainmerge_16, w, d, 1
PHOENIX phoenix_16, w, 1
DIFFERENCE difference_16, w, d, 1
EXTREMITY extremity_16, w, d, 1
NEGATION negation_16, w, d, 1
%endif
%if HAVE_AVX2_EXTERNAL
INIT_YMM avx2
BLEND_SIMPLE xor, xor
BLEND_SIMPLE or, or
BLEND_SIMPLE and, and
BLEND_SIMPLE addition, addusb
BLEND_SIMPLE subtract, subusb
BLEND_SIMPLE darken, minub
BLEND_SIMPLE lighten, maxub
GRAINEXTRACT grainextract, b, w
BLEND_MULTIPLY
BLEND_SCREEN
AVERAGE average, b
GRAINMERGE grainmerge, b, w
HARDMIX
PHOENIX phoenix, b
DIFFERENCE difference, b, w
EXTREMITY extremity, b, w
NEGATION negation, b, w
%if ARCH_X86_64
BLEND_SIMPLE addition_16, addusw, 1
BLEND_SIMPLE and_16, and, 1
BLEND_SIMPLE darken_16, minuw, 1
BLEND_SIMPLE lighten_16, maxuw, 1
BLEND_SIMPLE or_16, or, 1
BLEND_SIMPLE subtract_16, subusw, 1
BLEND_SIMPLE xor_16, xor, 1
GRAINEXTRACT grainextract_16, w, d, 1
AVERAGE average_16, w, 1
GRAINMERGE grainmerge_16, w, d, 1
PHOENIX phoenix_16, w, 1
DIFFERENCE difference_16, w, d, 1
EXTREMITY extremity_16, w, d, 1
NEGATION negation_16, w, d, 1
%endif
%endif
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