tor-browser

The Tor Browser
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mc.h (3291B)


      1 /*
      2 * Copyright © 2024, VideoLAN and dav1d authors
      3 * Copyright © 2024, Nathan Egge
      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/mc.h"
     30 
     31 decl_blend_fn(BF(dav1d_blend, rvv));
     32 decl_blend_dir_fn(BF(dav1d_blend_h, rvv));
     33 decl_blend_dir_fn(BF(dav1d_blend_v, rvv));
     34 
     35 decl_blend_fn(BF(dav1d_blend_vl256, rvv));
     36 decl_blend_dir_fn(BF(dav1d_blend_h_vl256, rvv));
     37 decl_blend_dir_fn(BF(dav1d_blend_v_vl256, rvv));
     38 
     39 decl_avg_fn(BF(dav1d_avg, rvv));
     40 decl_w_avg_fn(BF(dav1d_w_avg, rvv));
     41 decl_mask_fn(BF(dav1d_mask, rvv));
     42 
     43 decl_w_mask_fn(BF(dav1d_w_mask_444, rvv));
     44 decl_w_mask_fn(BF(dav1d_w_mask_422, rvv));
     45 decl_w_mask_fn(BF(dav1d_w_mask_420, rvv));
     46 
     47 decl_w_mask_fn(BF(dav1d_w_mask_444_vl256, rvv));
     48 decl_w_mask_fn(BF(dav1d_w_mask_422_vl256, rvv));
     49 decl_w_mask_fn(BF(dav1d_w_mask_420_vl256, rvv));
     50 
     51 decl_warp8x8_fn(BF(dav1d_warp_8x8, rvv));
     52 decl_warp8x8t_fn(BF(dav1d_warp_8x8t, rvv));
     53 decl_emu_edge_fn(BF(dav1d_emu_edge, rvv));
     54 
     55 static ALWAYS_INLINE void mc_dsp_init_riscv(Dav1dMCDSPContext *const c) {
     56  const unsigned flags = dav1d_get_cpu_flags();
     57 
     58  if (!(flags & DAV1D_RISCV_CPU_FLAG_V)) return;
     59 
     60  c->blend = BF(dav1d_blend, rvv);
     61  c->blend_v = BF(dav1d_blend_v, rvv);
     62 
     63  if (dav1d_get_vlen() >= 256) {
     64    c->blend = BF(dav1d_blend_vl256, rvv);
     65    c->blend_v = BF(dav1d_blend_v_vl256, rvv);
     66  }
     67 
     68 #if BITDEPTH == 8
     69  c->blend_h = BF(dav1d_blend_h, rvv);
     70  c->emu_edge = BF(dav1d_emu_edge, rvv);
     71 
     72  c->w_mask[0] = BF(dav1d_w_mask_444, rvv);
     73  c->w_mask[1] = BF(dav1d_w_mask_422, rvv);
     74  c->w_mask[2] = BF(dav1d_w_mask_420, rvv);
     75 
     76  c->avg     = BF(dav1d_avg, rvv);
     77  c->w_avg   = BF(dav1d_w_avg, rvv);
     78  c->mask    = BF(dav1d_mask, rvv);
     79 
     80  c->warp8x8 = BF(dav1d_warp_8x8, rvv);
     81  c->warp8x8t = BF(dav1d_warp_8x8t, rvv);
     82 
     83  if (dav1d_get_vlen() >= 256) {
     84    c->blend_h = BF(dav1d_blend_h_vl256, rvv);
     85 
     86    c->w_mask[0] = BF(dav1d_w_mask_444_vl256, rvv);
     87    c->w_mask[1] = BF(dav1d_w_mask_422_vl256, rvv);
     88    c->w_mask[2] = BF(dav1d_w_mask_420_vl256, rvv);
     89  }
     90 #endif
     91 }