1 /*
2 * Copyright © 2023, VideoLAN and dav1d authors
3 * Copyright © 2023, Loongson Technology Corporation Limited
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright notice, this
10 * list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright notice,
13 * this list of conditions and the following disclaimer in the documentation
14 * and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
20 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28 #ifndef DAV1D_SRC_LOONGARCH_LOOPFILTER_H
29 #define DAV1D_SRC_LOONGARCH_LOOPFILTER_H
30
31 #include "src/cpu.h"
32 #include "src/loopfilter.h"
33
34 decl_loopfilter_sb_fn(BF(dav1d_lpf_h_sb_y, lsx));
35 decl_loopfilter_sb_fn(BF(dav1d_lpf_v_sb_y, lsx));
36 decl_loopfilter_sb_fn(BF(dav1d_lpf_h_sb_uv, lsx));
37 decl_loopfilter_sb_fn(BF(dav1d_lpf_v_sb_uv, lsx));
38
loop_filter_dsp_init_loongarch(Dav1dLoopFilterDSPContext * const c)39 static ALWAYS_INLINE void loop_filter_dsp_init_loongarch(Dav1dLoopFilterDSPContext *const c) {
40 const unsigned flags = dav1d_get_cpu_flags();
41
42 if (!(flags & DAV1D_LOONGARCH_CPU_FLAG_LSX)) return;
43
44 #if BITDEPTH == 8
45 c->loop_filter_sb[0][0] = BF(dav1d_lpf_h_sb_y, lsx);
46 c->loop_filter_sb[0][1] = BF(dav1d_lpf_v_sb_y, lsx);
47 c->loop_filter_sb[1][0] = BF(dav1d_lpf_h_sb_uv, lsx);
48 c->loop_filter_sb[1][1] = BF(dav1d_lpf_v_sb_uv, lsx);
49 #endif
50 }
51
52 #endif /* DAV1D_SRC_LOONGARCH_LOOPFILTER_H */
53