1/*
2 * RV30/40 MMX/SSE2 optimizations
3 * Copyright (C) 2012 Christophe Gisquet <christophe.gisquet@gmail.com>
4 *
5 * This file is part of Libav.
6 *
7 * Libav is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * Libav is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with Libav; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22#include "libavutil/cpu.h"
23#include "libavutil/x86_cpu.h"
24#include "libavcodec/dsputil.h"
25#include "libavcodec/rv34dsp.h"
26
27void ff_rv34_idct_dc_mmx2(DCTELEM *block);
28void ff_rv34_idct_dc_noround_mmx2(DCTELEM *block);
29void ff_rv34_idct_dc_add_mmx(uint8_t *dst, int stride, int dc);
30void ff_rv34_idct_dc_add_sse4(uint8_t *dst, int stride, int dc);
31
32av_cold void ff_rv34dsp_init_x86(RV34DSPContext* c, DSPContext *dsp)
33{
34#if HAVE_YASM
35    int mm_flags = av_get_cpu_flags();
36
37    if (mm_flags & AV_CPU_FLAG_MMX)
38        c->rv34_idct_dc_add = ff_rv34_idct_dc_add_mmx;
39    if (mm_flags & AV_CPU_FLAG_MMX2) {
40        c->rv34_inv_transform_dc = ff_rv34_idct_dc_noround_mmx2;
41    }
42    if (mm_flags & AV_CPU_FLAG_SSE4)
43        c->rv34_idct_dc_add = ff_rv34_idct_dc_add_sse4;
44#endif
45}
46