2017-09-17 19:59:41 +00:00
|
|
|
;******************************************************************************
|
|
|
|
|
;* X86 Optimized functions for Open Exr Decoder
|
|
|
|
|
;* Copyright (c) 2006 Industrial Light & Magic, a division of Lucas Digital Ltd. LLC
|
|
|
|
|
;*
|
|
|
|
|
;* reorder_pixels based on patch by John Loy
|
|
|
|
|
;* port to ASM by Jokyo Images support by CNC - French National Center for Cinema
|
|
|
|
|
;*
|
|
|
|
|
;* 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 .text
|
|
|
|
|
|
|
|
|
|
;------------------------------------------------------------------------------
|
2017-09-17 21:56:39 +00:00
|
|
|
; void ff_reorder_pixels(uint8_t *dst, const uint8_t *src, ptrdiff_t size);
|
2017-09-17 19:59:41 +00:00
|
|
|
;------------------------------------------------------------------------------
|
|
|
|
|
|
|
|
|
|
%macro REORDER_PIXELS 0
|
2017-09-17 21:56:39 +00:00
|
|
|
cglobal reorder_pixels, 3,4,3, dst, src1, size, src2
|
2017-09-17 19:59:41 +00:00
|
|
|
lea src2q, [src1q+sizeq] ; src2 = src + 2 * half_size
|
|
|
|
|
add dstq, sizeq ; dst offset by size
|
|
|
|
|
shr sizeq, 1 ; half_size
|
|
|
|
|
add src1q, sizeq ; offset src by half_size
|
|
|
|
|
neg sizeq ; size = offset for dst, src1, src2
|
|
|
|
|
.loop:
|
|
|
|
|
|
|
|
|
|
%if cpuflag(avx2)
|
|
|
|
|
vpermq m0, [src1q + sizeq], 0xd8; load first part
|
|
|
|
|
vpermq m1, [src2q + sizeq], 0xd8; load second part
|
|
|
|
|
%else
|
|
|
|
|
mova m0, [src1q+sizeq] ; load first part
|
|
|
|
|
movu m1, [src2q+sizeq] ; load second part
|
|
|
|
|
%endif
|
|
|
|
|
SBUTTERFLY bw, 0, 1, 2 ; interleaved
|
|
|
|
|
mova [dstq+2*sizeq ], m0 ; copy to dst
|
|
|
|
|
mova [dstq+2*sizeq+mmsize], m1
|
|
|
|
|
add sizeq, mmsize
|
|
|
|
|
jl .loop
|
|
|
|
|
RET
|
|
|
|
|
%endmacro
|
|
|
|
|
|
|
|
|
|
INIT_XMM sse2
|
|
|
|
|
REORDER_PIXELS
|
|
|
|
|
|
|
|
|
|
%if HAVE_AVX2_EXTERNAL
|
|
|
|
|
INIT_YMM avx2
|
|
|
|
|
REORDER_PIXELS
|
|
|
|
|
%endif
|
