tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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refmvs.h (2488B)


      1 /*
      2 * Copyright © 2021, VideoLAN and dav1d authors
      3 * Copyright © 2021, Two Orioles, LLC
      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/refmvs.h"
     30 
     31 decl_load_tmvs_fn(dav1d_load_tmvs_sse4);
     32 
     33 decl_save_tmvs_fn(dav1d_save_tmvs_ssse3);
     34 decl_save_tmvs_fn(dav1d_save_tmvs_avx2);
     35 decl_save_tmvs_fn(dav1d_save_tmvs_avx512icl);
     36 
     37 decl_splat_mv_fn(dav1d_splat_mv_sse2);
     38 decl_splat_mv_fn(dav1d_splat_mv_avx2);
     39 decl_splat_mv_fn(dav1d_splat_mv_avx512icl);
     40 
     41 static ALWAYS_INLINE void refmvs_dsp_init_x86(Dav1dRefmvsDSPContext *const c) {
     42    const unsigned flags = dav1d_get_cpu_flags();
     43 
     44    if (!(flags & DAV1D_X86_CPU_FLAG_SSE2)) return;
     45 
     46    c->splat_mv = dav1d_splat_mv_sse2;
     47 
     48    if (!(flags & DAV1D_X86_CPU_FLAG_SSSE3)) return;
     49 
     50    c->save_tmvs = dav1d_save_tmvs_ssse3;
     51 
     52    if (!(flags & DAV1D_X86_CPU_FLAG_SSE41)) return;
     53 #if ARCH_X86_64
     54    c->load_tmvs = dav1d_load_tmvs_sse4;
     55 
     56    if (!(flags & DAV1D_X86_CPU_FLAG_AVX2)) return;
     57 
     58    c->save_tmvs = dav1d_save_tmvs_avx2;
     59    c->splat_mv = dav1d_splat_mv_avx2;
     60 
     61    if (!(flags & DAV1D_X86_CPU_FLAG_AVX512ICL)) return;
     62 
     63    c->save_tmvs = dav1d_save_tmvs_avx512icl;
     64    c->splat_mv = dav1d_splat_mv_avx512icl;
     65 #endif
     66 }