tor-browser

The Tor Browser
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filmgrain.h (4279B)


      1 /*
      2 * Copyright © 2018-2022, VideoLAN and dav1d authors
      3 * Copyright © 2018-2022, 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/filmgrain.h"
     30 
     31 #define decl_fg_fns(ext)                                         \
     32 decl_generate_grain_y_fn(BF(dav1d_generate_grain_y, ext));       \
     33 decl_generate_grain_uv_fn(BF(dav1d_generate_grain_uv_420, ext)); \
     34 decl_generate_grain_uv_fn(BF(dav1d_generate_grain_uv_422, ext)); \
     35 decl_generate_grain_uv_fn(BF(dav1d_generate_grain_uv_444, ext)); \
     36 decl_fgy_32x32xn_fn(BF(dav1d_fgy_32x32xn, ext));                 \
     37 decl_fguv_32x32xn_fn(BF(dav1d_fguv_32x32xn_i420, ext));          \
     38 decl_fguv_32x32xn_fn(BF(dav1d_fguv_32x32xn_i422, ext));          \
     39 decl_fguv_32x32xn_fn(BF(dav1d_fguv_32x32xn_i444, ext))
     40 
     41 decl_fg_fns(ssse3);
     42 decl_fg_fns(avx2);
     43 decl_fg_fns(avx512icl);
     44 
     45 static ALWAYS_INLINE void film_grain_dsp_init_x86(Dav1dFilmGrainDSPContext *const c) {
     46    const unsigned flags = dav1d_get_cpu_flags();
     47 
     48    if (!(flags & DAV1D_X86_CPU_FLAG_SSSE3)) return;
     49 
     50    c->generate_grain_y = BF(dav1d_generate_grain_y, ssse3);
     51    c->generate_grain_uv[DAV1D_PIXEL_LAYOUT_I420 - 1] = BF(dav1d_generate_grain_uv_420, ssse3);
     52    c->fgy_32x32xn = BF(dav1d_fgy_32x32xn, ssse3);
     53    c->fguv_32x32xn[DAV1D_PIXEL_LAYOUT_I420 - 1] = BF(dav1d_fguv_32x32xn_i420, ssse3);
     54    c->generate_grain_uv[DAV1D_PIXEL_LAYOUT_I422 - 1] = BF(dav1d_generate_grain_uv_422, ssse3);
     55    c->generate_grain_uv[DAV1D_PIXEL_LAYOUT_I444 - 1] = BF(dav1d_generate_grain_uv_444, ssse3);
     56    c->fguv_32x32xn[DAV1D_PIXEL_LAYOUT_I422 - 1] = BF(dav1d_fguv_32x32xn_i422, ssse3);
     57    c->fguv_32x32xn[DAV1D_PIXEL_LAYOUT_I444 - 1] = BF(dav1d_fguv_32x32xn_i444, ssse3);
     58 
     59 #if ARCH_X86_64
     60    if (!(flags & DAV1D_X86_CPU_FLAG_AVX2)) return;
     61 
     62    c->generate_grain_y = BF(dav1d_generate_grain_y, avx2);
     63    c->generate_grain_uv[DAV1D_PIXEL_LAYOUT_I420 - 1] = BF(dav1d_generate_grain_uv_420, avx2);
     64    c->generate_grain_uv[DAV1D_PIXEL_LAYOUT_I422 - 1] = BF(dav1d_generate_grain_uv_422, avx2);
     65    c->generate_grain_uv[DAV1D_PIXEL_LAYOUT_I444 - 1] = BF(dav1d_generate_grain_uv_444, avx2);
     66 
     67    if (!(flags & DAV1D_X86_CPU_FLAG_SLOW_GATHER)) {
     68        c->fgy_32x32xn = BF(dav1d_fgy_32x32xn, avx2);
     69        c->fguv_32x32xn[DAV1D_PIXEL_LAYOUT_I420 - 1] = BF(dav1d_fguv_32x32xn_i420, avx2);
     70        c->fguv_32x32xn[DAV1D_PIXEL_LAYOUT_I422 - 1] = BF(dav1d_fguv_32x32xn_i422, avx2);
     71        c->fguv_32x32xn[DAV1D_PIXEL_LAYOUT_I444 - 1] = BF(dav1d_fguv_32x32xn_i444, avx2);
     72    }
     73 
     74    if (!(flags & DAV1D_X86_CPU_FLAG_AVX512ICL)) return;
     75 
     76    if (BITDEPTH == 8 || !(flags & DAV1D_X86_CPU_FLAG_SLOW_GATHER)) {
     77        c->fgy_32x32xn = BF(dav1d_fgy_32x32xn, avx512icl);
     78        c->fguv_32x32xn[DAV1D_PIXEL_LAYOUT_I420 - 1] = BF(dav1d_fguv_32x32xn_i420, avx512icl);
     79        c->fguv_32x32xn[DAV1D_PIXEL_LAYOUT_I422 - 1] = BF(dav1d_fguv_32x32xn_i422, avx512icl);
     80        c->fguv_32x32xn[DAV1D_PIXEL_LAYOUT_I444 - 1] = BF(dav1d_fguv_32x32xn_i444, avx512icl);
     81    }
     82 #endif
     83 }