xref: /aosp_15_r20/external/libdav1d/src/riscv/ipred.h (revision c09093415860a1c2373dacd84c4fde00c507cdfd)
1 /*
2  * Copyright © 2018, VideoLAN and dav1d authors
3  * Copyright © 2024, Bogdan Gligorijevic
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 #include "src/cpu.h"
29 #include "src/ipred.h"
30 
31 decl_cfl_pred_fn(BF(dav1d_ipred_cfl, rvv));
32 decl_cfl_pred_fn(BF(dav1d_ipred_cfl_128, rvv));
33 decl_cfl_pred_fn(BF(dav1d_ipred_cfl_top, rvv));
34 decl_cfl_pred_fn(BF(dav1d_ipred_cfl_left, rvv));
35 
36 decl_angular_ipred_fn(BF(dav1d_ipred_paeth, rvv));
37 decl_angular_ipred_fn(BF(dav1d_ipred_smooth, rvv));
38 decl_angular_ipred_fn(BF(dav1d_ipred_smooth_v, rvv));
39 decl_angular_ipred_fn(BF(dav1d_ipred_smooth_h, rvv));
40 
41 
42 decl_pal_pred_fn(BF(dav1d_pal_pred, rvv));
43 
intra_pred_dsp_init_riscv(Dav1dIntraPredDSPContext * const c)44 static ALWAYS_INLINE void intra_pred_dsp_init_riscv(Dav1dIntraPredDSPContext *const c) {
45   const unsigned flags = dav1d_get_cpu_flags();
46 
47   if (!(flags & DAV1D_RISCV_CPU_FLAG_V)) return;
48 
49 #if BITDEPTH == 8
50     c->cfl_pred[DC_PRED     ] = dav1d_ipred_cfl_8bpc_rvv;
51     c->cfl_pred[DC_128_PRED ] = dav1d_ipred_cfl_128_8bpc_rvv;
52     c->cfl_pred[TOP_DC_PRED ] = dav1d_ipred_cfl_top_8bpc_rvv;
53     c->cfl_pred[LEFT_DC_PRED] = dav1d_ipred_cfl_left_8bpc_rvv;
54 
55     c->intra_pred[PAETH_PRED   ] = dav1d_ipred_paeth_8bpc_rvv;
56     c->intra_pred[SMOOTH_PRED  ] = dav1d_ipred_smooth_8bpc_rvv;
57     c->intra_pred[SMOOTH_V_PRED] = dav1d_ipred_smooth_v_8bpc_rvv;
58     c->intra_pred[SMOOTH_H_PRED] = dav1d_ipred_smooth_h_8bpc_rvv;
59 
60     c->pal_pred = dav1d_pal_pred_8bpc_rvv;
61 #elif BITDEPTH == 16
62     c->cfl_pred[DC_PRED     ] = dav1d_ipred_cfl_16bpc_rvv;
63     c->cfl_pred[DC_128_PRED ] = dav1d_ipred_cfl_128_16bpc_rvv;
64     c->cfl_pred[TOP_DC_PRED ] = dav1d_ipred_cfl_top_16bpc_rvv;
65     c->cfl_pred[LEFT_DC_PRED] = dav1d_ipred_cfl_left_16bpc_rvv;
66 
67     c->intra_pred[PAETH_PRED   ] = dav1d_ipred_paeth_16bpc_rvv;
68     c->intra_pred[SMOOTH_PRED  ] = dav1d_ipred_smooth_16bpc_rvv;
69     c->intra_pred[SMOOTH_V_PRED] = dav1d_ipred_smooth_v_16bpc_rvv;
70     c->intra_pred[SMOOTH_H_PRED] = dav1d_ipred_smooth_h_16bpc_rvv;
71 
72     c->pal_pred = dav1d_pal_pred_16bpc_rvv;
73 #endif
74 }
75