tor-browser

The Tor Browser
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looprestoration.h (3637B)


      1 /*
      2 * Copyright © 2018, VideoLAN and dav1d authors
      3 * Copyright © 2018, 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/looprestoration.h"
     30 
     31 #include "common/intops.h"
     32 
     33 #define decl_wiener_filter_fns(ext) \
     34 decl_lr_filter_fn(BF(dav1d_wiener_filter7, ext)); \
     35 decl_lr_filter_fn(BF(dav1d_wiener_filter5, ext))
     36 
     37 #define decl_sgr_filter_fns(ext) \
     38 decl_lr_filter_fn(BF(dav1d_sgr_filter_5x5, ext)); \
     39 decl_lr_filter_fn(BF(dav1d_sgr_filter_3x3, ext)); \
     40 decl_lr_filter_fn(BF(dav1d_sgr_filter_mix, ext))
     41 
     42 decl_wiener_filter_fns(sse2);
     43 decl_wiener_filter_fns(ssse3);
     44 decl_wiener_filter_fns(avx2);
     45 decl_wiener_filter_fns(avx512icl);
     46 decl_sgr_filter_fns(ssse3);
     47 decl_sgr_filter_fns(avx2);
     48 decl_sgr_filter_fns(avx512icl);
     49 
     50 static ALWAYS_INLINE void loop_restoration_dsp_init_x86(Dav1dLoopRestorationDSPContext *const c, const int bpc) {
     51    const unsigned flags = dav1d_get_cpu_flags();
     52 
     53    if (!(flags & DAV1D_X86_CPU_FLAG_SSE2)) return;
     54 #if BITDEPTH == 8
     55    c->wiener[0] = BF(dav1d_wiener_filter7, sse2);
     56    c->wiener[1] = BF(dav1d_wiener_filter5, sse2);
     57 #endif
     58 
     59    if (!(flags & DAV1D_X86_CPU_FLAG_SSSE3)) return;
     60    c->wiener[0] = BF(dav1d_wiener_filter7, ssse3);
     61    c->wiener[1] = BF(dav1d_wiener_filter5, ssse3);
     62    if (BITDEPTH == 8 || bpc == 10) {
     63        c->sgr[0] = BF(dav1d_sgr_filter_5x5, ssse3);
     64        c->sgr[1] = BF(dav1d_sgr_filter_3x3, ssse3);
     65        c->sgr[2] = BF(dav1d_sgr_filter_mix, ssse3);
     66    }
     67 
     68 #if ARCH_X86_64
     69    if (!(flags & DAV1D_X86_CPU_FLAG_AVX2)) return;
     70 
     71    c->wiener[0] = BF(dav1d_wiener_filter7, avx2);
     72    c->wiener[1] = BF(dav1d_wiener_filter5, avx2);
     73    if (BITDEPTH == 8 || bpc == 10) {
     74        c->sgr[0] = BF(dav1d_sgr_filter_5x5, avx2);
     75        c->sgr[1] = BF(dav1d_sgr_filter_3x3, avx2);
     76        c->sgr[2] = BF(dav1d_sgr_filter_mix, avx2);
     77    }
     78 
     79    if (!(flags & DAV1D_X86_CPU_FLAG_AVX512ICL)) return;
     80 
     81    c->wiener[0] = BF(dav1d_wiener_filter7, avx512icl);
     82 #if BITDEPTH == 8
     83    /* With VNNI we don't need a 5-tap version. */
     84    c->wiener[1] = c->wiener[0];
     85 #else
     86    c->wiener[1] = BF(dav1d_wiener_filter5, avx512icl);
     87 #endif
     88    if (BITDEPTH == 8 || bpc == 10) {
     89        c->sgr[0] = BF(dav1d_sgr_filter_5x5, avx512icl);
     90        c->sgr[1] = BF(dav1d_sgr_filter_3x3, avx512icl);
     91        c->sgr[2] = BF(dav1d_sgr_filter_mix, avx512icl);
     92    }
     93 #endif
     94 }