/*
* Copyright (c) 2015 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/cpu.h"
#include "libavfilter/ssim.h"
void ff_ssim_4x4_line_ssse3(const uint8_t *buf, ptrdiff_t buf_stride,
const uint8_t *ref, ptrdiff_t ref_stride,
int (*sums)[4], int w);
void ff_ssim_4x4_line_xop (const uint8_t *buf, ptrdiff_t buf_stride,
const uint8_t *ref, ptrdiff_t ref_stride,
int (*sums)[4], int w);
float ff_ssim_end_line_sse4(const int (*sum0)[4], const int (*sum1)[4], int w);
void ff_ssim_init_x86(SSIMDSPContext *dsp)
{
int cpu_flags = av_get_cpu_flags();
if (ARCH_X86_64 && EXTERNAL_SSSE3(cpu_flags))
dsp->ssim_4x4_line = ff_ssim_4x4_line_ssse3;
if (EXTERNAL_SSE4(cpu_flags))
dsp->ssim_end_line = ff_ssim_end_line_sse4;
if (EXTERNAL_XOP(cpu_flags))
dsp->ssim_4x4_line = ff_ssim_4x4_line_xop;
}