1/*
2 * This file is part of FFmpeg.
3 *
4 * FFmpeg is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * FFmpeg is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19#include <stdint.h>
20
21#include "config.h"
22#include "libavutil/attributes.h"
23#include "libavutil/cpu.h"
24#include "libavutil/x86/cpu.h"
25#include "libavcodec/blockdsp.h"
26
27void ff_clear_block_sse(int16_t *block);
28void ff_clear_block_avx(int16_t *block);
29void ff_clear_blocks_sse(int16_t *blocks);
30void ff_clear_blocks_avx(int16_t *blocks);
31
32av_cold void ff_blockdsp_init_x86(BlockDSPContext *c,
33                                  AVCodecContext *avctx)
34{
35#if HAVE_X86ASM
36    int cpu_flags = av_get_cpu_flags();
37
38    if (EXTERNAL_SSE(cpu_flags)) {
39        c->clear_block  = ff_clear_block_sse;
40        c->clear_blocks = ff_clear_blocks_sse;
41    }
42    if (EXTERNAL_AVX_FAST(cpu_flags)) {
43        c->clear_block  = ff_clear_block_avx;
44        c->clear_blocks = ff_clear_blocks_avx;
45    }
46#endif /* HAVE_X86ASM */
47}
48