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_LOOPRESTORATION_H
29 #define DAV1D_SRC_LOONGARCH_LOOPRESTORATION_H
30
31 #include "common/intops.h"
32 #include "src/cpu.h"
33 #include "src/looprestoration.h"
34
35 void dav1d_wiener_filter_lsx(uint8_t *p, const ptrdiff_t stride,
36 const uint8_t (*const left)[4],
37 const uint8_t *lpf,
38 const int w, const int h,
39 const LooprestorationParams *const params,
40 const enum LrEdgeFlags edges HIGHBD_DECL_SUFFIX);
41
42 void dav1d_sgr_filter_3x3_lsx(pixel *p, const ptrdiff_t p_stride,
43 const pixel (*const left)[4],
44 const pixel *lpf,
45 const int w, const int h,
46 const LooprestorationParams *const params,
47 const enum LrEdgeFlags edges HIGHBD_DECL_SUFFIX);
48
49 void dav1d_sgr_filter_5x5_lsx(pixel *p, const ptrdiff_t p_stride,
50 const pixel (*const left)[4],
51 const pixel *lpf,
52 const int w, const int h,
53 const LooprestorationParams *const params,
54 const enum LrEdgeFlags edges HIGHBD_DECL_SUFFIX);
55
56 void dav1d_sgr_filter_mix_lsx(pixel *p, const ptrdiff_t p_stride,
57 const pixel (*const left)[4],
58 const pixel *lpf,
59 const int w, const int h,
60 const LooprestorationParams *const params,
61 const enum LrEdgeFlags edges HIGHBD_DECL_SUFFIX);
62
loop_restoration_dsp_init_loongarch(Dav1dLoopRestorationDSPContext * const c,int bpc)63 static ALWAYS_INLINE void loop_restoration_dsp_init_loongarch(Dav1dLoopRestorationDSPContext *const c, int bpc)
64 {
65 const unsigned flags = dav1d_get_cpu_flags();
66
67 if (!(flags & DAV1D_LOONGARCH_CPU_FLAG_LSX)) return;
68
69 #if BITDEPTH == 8
70 c->wiener[0] = c->wiener[1] = dav1d_wiener_filter_lsx;
71
72 c->sgr[0] = dav1d_sgr_filter_5x5_lsx;
73 c->sgr[1] = dav1d_sgr_filter_3x3_lsx;
74 c->sgr[2] = dav1d_sgr_filter_mix_lsx;
75 #endif
76 }
77
78 #endif /* DAV1D_SRC_LOONGARCH_LOOPRESTORATION_H */
79