tor-browser

The Tor Browser
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ipred.h (4117B)


      1 /*
      2 * Copyright © 2024, VideoLAN and dav1d authors
      3 * Copyright © 2024, 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_IPRED_H
     29 #define DAV1D_SRC_LOONGARCH_IPRED_H
     30 
     31 #include "config.h"
     32 #include "src/ipred.h"
     33 #include "src/cpu.h"
     34 #include "src/tables.h"
     35 
     36 #define MULTIPLIER_1x2 0x5556
     37 #define MULTIPLIER_1x4 0x3334
     38 #define BASE_SHIFT 16
     39 
     40 #define init_fn(type0, type1, name, suffix) \
     41    c->type0[type1] = BF(dav1d_##name, suffix)
     42 
     43 #define init_angular_ipred_fn(type, name, suffix) \
     44    init_fn(intra_pred, type, name, suffix)
     45 #define init_cfl_pred_fn(type, name, suffix) \
     46    init_fn(cfl_pred, type, name, suffix)
     47 
     48 decl_angular_ipred_fn(BF(dav1d_ipred_dc, lsx));
     49 decl_angular_ipred_fn(BF(dav1d_ipred_dc_128, lsx));
     50 decl_angular_ipred_fn(BF(dav1d_ipred_dc_top, lsx));
     51 decl_angular_ipred_fn(BF(dav1d_ipred_dc_left, lsx));
     52 decl_angular_ipred_fn(BF(dav1d_ipred_h, lsx));
     53 decl_angular_ipred_fn(BF(dav1d_ipred_v, lsx));
     54 decl_angular_ipred_fn(BF(dav1d_ipred_paeth, lsx));
     55 decl_angular_ipred_fn(BF(dav1d_ipred_smooth, lsx));
     56 decl_angular_ipred_fn(BF(dav1d_ipred_smooth_v, lsx));
     57 decl_angular_ipred_fn(BF(dav1d_ipred_smooth_h, lsx));
     58 decl_angular_ipred_fn(BF(dav1d_ipred_filter, lsx));
     59 decl_angular_ipred_fn(BF(dav1d_ipred_z1, lsx));
     60 
     61 decl_cfl_pred_fn(BF(dav1d_ipred_cfl, lsx));
     62 decl_cfl_pred_fn(BF(dav1d_ipred_cfl_128, lsx));
     63 decl_cfl_pred_fn(BF(dav1d_ipred_cfl_top, lsx));
     64 decl_cfl_pred_fn(BF(dav1d_ipred_cfl_left, lsx));
     65 
     66 decl_pal_pred_fn(BF(dav1d_pal_pred, lsx));
     67 
     68 static ALWAYS_INLINE void intra_pred_dsp_init_loongarch(Dav1dIntraPredDSPContext *const c) {
     69    const unsigned flags = dav1d_get_cpu_flags();
     70 
     71    if (!(flags & DAV1D_LOONGARCH_CPU_FLAG_LSX)) return;
     72 
     73 #if BITDEPTH == 8
     74    init_angular_ipred_fn(DC_PRED,       ipred_dc,       lsx);
     75    init_angular_ipred_fn(DC_128_PRED,   ipred_dc_128,   lsx);
     76    init_angular_ipred_fn(TOP_DC_PRED,   ipred_dc_top,   lsx);
     77    init_angular_ipred_fn(LEFT_DC_PRED,  ipred_dc_left,  lsx);
     78    init_angular_ipred_fn(HOR_PRED,      ipred_h,        lsx);
     79    init_angular_ipred_fn(VERT_PRED,     ipred_v,        lsx);
     80    init_angular_ipred_fn(PAETH_PRED,    ipred_paeth,    lsx);
     81    init_angular_ipred_fn(SMOOTH_PRED,   ipred_smooth,   lsx);
     82    init_angular_ipred_fn(SMOOTH_V_PRED, ipred_smooth_v, lsx);
     83    init_angular_ipred_fn(SMOOTH_H_PRED, ipred_smooth_h, lsx);
     84    init_angular_ipred_fn(FILTER_PRED,   ipred_filter,   lsx);
     85    init_angular_ipred_fn(Z1_PRED,       ipred_z1,       lsx);
     86 
     87    init_cfl_pred_fn(DC_PRED,      ipred_cfl,      lsx);
     88    init_cfl_pred_fn(DC_128_PRED,  ipred_cfl_128,  lsx);
     89    init_cfl_pred_fn(TOP_DC_PRED,  ipred_cfl_top,  lsx);
     90    init_cfl_pred_fn(LEFT_DC_PRED, ipred_cfl_left, lsx);
     91 
     92    c->pal_pred = BF(dav1d_pal_pred, lsx);
     93 #endif
     94 }
     95 
     96 #endif /* DAV1D_SRC_LOONGARCH_IPRED_H */