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;******************************************************************************
;* SIMD-optimized HuffYUV functions
;* Copyright (c) 2008 Loren Merritt
;* Copyright (c) 2014 Christophe Gisquet
;*
;* 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
; void add_hfyu_left_pred_bgr32(uint8_t *dst, const uint8_t *src,
; intptr_t w, uint8_t *left)
%macro LEFT_BGR32 0
cglobal add_hfyu_left_pred_bgr32, 4,4,3, dst, src, w, left
shl wq, 2
movd m0, [leftq]
lea dstq, [dstq + wq]
lea srcq, [srcq + wq]
LSHIFT m0, mmsize-4
neg wq
.loop:
movu m1, [srcq+wq]
mova m2, m1
%if mmsize == 8
punpckhdq m0, m0
%endif
LSHIFT m1, 4
paddb m1, m2
%if mmsize == 16
pshufd m0, m0, q3333
mova m2, m1
LSHIFT m1, 8
paddb m1, m2
%endif
paddb m0, m1
movu [dstq+wq], m0
add wq, mmsize
jl .loop
movd m0, [dstq-4]
movd [leftq], m0
REP_RET
%endmacro
%if ARCH_X86_32
INIT_MMX mmx
LEFT_BGR32
%endif
INIT_XMM sse2
LEFT_BGR32
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