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;******************************************************************************
;* VP9 SIMD optimizations
;*
;* Copyright (c) 2013 Ronald S. Bultje <rsbultje 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
;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
;******************************************************************************
%include "libavutil/x86/x86util.asm"
SECTION_RODATA
; FIXME share with vp8dsp.asm
pw_256: times 8 dw 256
%macro F8_TAPS 8
times 8 db %1, %2
times 8 db %3, %4
times 8 db %5, %6
times 8 db %7, %8
%endmacro
; int8_t ff_filters_ssse3[3][15][4][16]
const filters_ssse3 ; smooth
F8_TAPS -3, -1, 32, 64, 38, 1, -3, 0
F8_TAPS -2, -2, 29, 63, 41, 2, -3, 0
F8_TAPS -2, -2, 26, 63, 43, 4, -4, 0
F8_TAPS -2, -3, 24, 62, 46, 5, -4, 0
F8_TAPS -2, -3, 21, 60, 49, 7, -4, 0
F8_TAPS -1, -4, 18, 59, 51, 9, -4, 0
F8_TAPS -1, -4, 16, 57, 53, 12, -4, -1
F8_TAPS -1, -4, 14, 55, 55, 14, -4, -1
F8_TAPS -1, -4, 12, 53, 57, 16, -4, -1
F8_TAPS 0, -4, 9, 51, 59, 18, -4, -1
F8_TAPS 0, -4, 7, 49, 60, 21, -3, -2
F8_TAPS 0, -4, 5, 46, 62, 24, -3, -2
F8_TAPS 0, -4, 4, 43, 63, 26, -2, -2
F8_TAPS 0, -3, 2, 41, 63, 29, -2, -2
F8_TAPS 0, -3, 1, 38, 64, 32, -1, -3
; regular
F8_TAPS 0, 1, -5, 126, 8, -3, 1, 0
F8_TAPS -1, 3, -10, 122, 18, -6, 2, 0
F8_TAPS -1, 4, -13, 118, 27, -9, 3, -1
F8_TAPS -1, 4, -16, 112, 37, -11, 4, -1
F8_TAPS -1, 5, -18, 105, 48, -14, 4, -1
F8_TAPS -1, 5, -19, 97, 58, -16, 5, -1
F8_TAPS -1, 6, -19, 88, 68, -18, 5, -1
F8_TAPS -1, 6, -19, 78, 78, -19, 6, -1
F8_TAPS -1, 5, -18, 68, 88, -19, 6, -1
F8_TAPS -1, 5, -16, 58, 97, -19, 5, -1
F8_TAPS -1, 4, -14, 48, 105, -18, 5, -1
F8_TAPS -1, 4, -11, 37, 112, -16, 4, -1
F8_TAPS -1, 3, -9, 27, 118, -13, 4, -1
F8_TAPS 0, 2, -6, 18, 122, -10, 3, -1
F8_TAPS 0, 1, -3, 8, 126, -5, 1, 0
; sharp
F8_TAPS -1, 3, -7, 127, 8, -3, 1, 0
F8_TAPS -2, 5, -13, 125, 17, -6, 3, -1
F8_TAPS -3, 7, -17, 121, 27, -10, 5, -2
F8_TAPS -4, 9, -20, 115, 37, -13, 6, -2
F8_TAPS -4, 10, -23, 108, 48, -16, 8, -3
F8_TAPS -4, 10, -24, 100, 59, -19, 9, -3
F8_TAPS -4, 11, -24, 90, 70, -21, 10, -4
F8_TAPS -4, 11, -23, 80, 80, -23, 11, -4
F8_TAPS -4, 10, -21, 70, 90, -24, 11, -4
F8_TAPS -3, 9, -19, 59, 100, -24, 10, -4
F8_TAPS -3, 8, -16, 48, 108, -23, 10, -4
F8_TAPS -2, 6, -13, 37, 115, -20, 9, -4
F8_TAPS -2, 5, -10, 27, 121, -17, 7, -3
F8_TAPS -1, 3, -6, 17, 125, -13, 5, -2
F8_TAPS 0, 1, -3, 8, 127, -7, 3, -1
SECTION .text
%macro filter_h_fn 1
%assign %%px mmsize/2
cglobal %1_8tap_1d_h_%%px, 6, 6, 11, dst, dstride, src, sstride, h, filtery
mova m6, [pw_256]
mova m7, [filteryq+ 0]
%if ARCH_X86_64 && mmsize > 8
mova m8, [filteryq+16]
mova m9, [filteryq+32]
mova m10, [filteryq+48]
%endif
.loop:
movh m0, [srcq-3]
movh m1, [srcq-2]
movh m2, [srcq-1]
movh m3, [srcq+0]
movh m4, [srcq+1]
movh m5, [srcq+2]
punpcklbw m0, m1
punpcklbw m2, m3
movh m1, [srcq+3]
movh m3, [srcq+4]
add srcq, sstrideq
punpcklbw m4, m5
punpcklbw m1, m3
pmaddubsw m0, m7
%if ARCH_X86_64 && mmsize > 8
pmaddubsw m2, m8
pmaddubsw m4, m9
pmaddubsw m1, m10
%else
pmaddubsw m2, [filteryq+16]
pmaddubsw m4, [filteryq+32]
pmaddubsw m1, [filteryq+48]
%endif
paddw m0, m2
paddw m4, m1
paddsw m0, m4
pmulhrsw m0, m6
%ifidn %1, avg
movh m1, [dstq]
%endif
packuswb m0, m0
%ifidn %1, avg
pavgb m0, m1
%endif
movh [dstq], m0
add dstq, dstrideq
dec hd
jg .loop
RET
%endmacro
INIT_MMX ssse3
filter_h_fn put
filter_h_fn avg
INIT_XMM ssse3
filter_h_fn put
filter_h_fn avg
%macro filter_v_fn 1
%assign %%px mmsize/2
%if ARCH_X86_64
cglobal %1_8tap_1d_v_%%px, 6, 8, 11, dst, dstride, src, sstride, h, filtery, src4, sstride3
%else
cglobal %1_8tap_1d_v_%%px, 4, 7, 11, dst, dstride, src, sstride, filtery, src4, sstride3
mov filteryq, r5mp
%define hd r4mp
%endif
sub srcq, sstrideq
lea sstride3q, [sstrideq*3]
sub srcq, sstrideq
mova m6, [pw_256]
sub srcq, sstrideq
mova m7, [filteryq+ 0]
lea src4q, [srcq+sstrideq*4]
%if ARCH_X86_64 && mmsize > 8
mova m8, [filteryq+16]
mova m9, [filteryq+32]
mova m10, [filteryq+48]
%endif
.loop:
; FIXME maybe reuse loads from previous rows, or just
; more generally unroll this to prevent multiple loads of
; the same data?
movh m0, [srcq]
movh m1, [srcq+sstrideq]
movh m2, [srcq+sstrideq*2]
movh m3, [srcq+sstride3q]
movh m4, [src4q]
movh m5, [src4q+sstrideq]
punpcklbw m0, m1
punpcklbw m2, m3
movh m1, [src4q+sstrideq*2]
movh m3, [src4q+sstride3q]
add srcq, sstrideq
add src4q, sstrideq
punpcklbw m4, m5
punpcklbw m1, m3
pmaddubsw m0, m7
%if ARCH_X86_64 && mmsize > 8
pmaddubsw m2, m8
pmaddubsw m4, m9
pmaddubsw m1, m10
%else
pmaddubsw m2, [filteryq+16]
pmaddubsw m4, [filteryq+32]
pmaddubsw m1, [filteryq+48]
%endif
paddw m0, m2
paddw m4, m1
paddsw m0, m4
pmulhrsw m0, m6
%ifidn %1, avg
movh m1, [dstq]
%endif
packuswb m0, m0
%ifidn %1, avg
pavgb m0, m1
%endif
movh [dstq], m0
add dstq, dstrideq
dec hd
jg .loop
RET
%endmacro
INIT_MMX ssse3
filter_v_fn put
filter_v_fn avg
INIT_XMM ssse3
filter_v_fn put
filter_v_fn avg
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