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;******************************************************************************
;* SIMD-optimized UTVideo functions
;* Copyright (c) 2017 Paul B Mahol
;*
;* 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"
%if ARCH_X86_64
SECTION_RODATA
pb_128: times 16 db 128
pw_512: times 8 dw 512
pw_1023: times 8 dw 1023
SECTION .text
INIT_XMM sse2
; void restore_rgb_planes(uint8_t *src_r, uint8_t *src_g, uint8_t *src_b,
; ptrdiff_t linesize_r, ptrdiff_t linesize_g, ptrdiff_t linesize_b,
; int width, int height)
cglobal restore_rgb_planes, 8,9,4, src_r, src_g, src_b, linesize_r, linesize_g, linesize_b, w, h, x
movsxdifnidn wq, wd
add src_rq, wq
add src_gq, wq
add src_bq, wq
neg wq
mova m3, [pb_128]
.nextrow:
mov xq, wq
.loop:
mova m0, [src_rq + xq]
mova m1, [src_gq + xq]
mova m2, [src_bq + xq]
psubb m1, m3
paddb m0, m1
paddb m2, m1
mova [src_rq+xq], m0
mova [src_bq+xq], m2
add xq, mmsize
jl .loop
add src_rq, linesize_rq
add src_gq, linesize_gq
add src_bq, linesize_bq
sub hd, 1
jg .nextrow
REP_RET
cglobal restore_rgb_planes10, 8,9,5, src_r, src_g, src_b, linesize_r, linesize_g, linesize_b, w, h, x
shl wd, 1
shl linesize_rq, 1
shl linesize_gq, 1
shl linesize_bq, 1
add src_rq, wq
add src_gq, wq
add src_bq, wq
mova m3, [pw_512]
mova m4, [pw_1023]
neg wq
.nextrow:
mov xq, wq
.loop:
mova m0, [src_rq + xq]
mova m1, [src_gq + xq]
mova m2, [src_bq + xq]
psubw m1, m3
paddw m0, m1
paddw m2, m1
pand m0, m4
pand m2, m4
mova [src_rq+xq], m0
mova [src_bq+xq], m2
add xq, mmsize
jl .loop
add src_rq, linesize_rq
add src_gq, linesize_gq
add src_bq, linesize_bq
sub hd, 1
jg .nextrow
REP_RET
%endif
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