tor-browser

The Tor Browser
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itx.h (3289B)


      1 /*
      2 * Copyright © 2018, VideoLAN and dav1d authors
      3 * Copyright © 2019, Martin Storsjo
      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/itx.h"
     30 
     31 decl_itx17_fns( 4,  4, neon);
     32 decl_itx16_fns( 4,  8, neon);
     33 decl_itx16_fns( 4, 16, neon);
     34 decl_itx16_fns( 8,  4, neon);
     35 decl_itx16_fns( 8,  8, neon);
     36 decl_itx16_fns( 8, 16, neon);
     37 decl_itx2_fns ( 8, 32, neon);
     38 decl_itx16_fns(16,  4, neon);
     39 decl_itx16_fns(16,  8, neon);
     40 decl_itx12_fns(16, 16, neon);
     41 decl_itx2_fns (16, 32, neon);
     42 decl_itx2_fns (32,  8, neon);
     43 decl_itx2_fns (32, 16, neon);
     44 decl_itx2_fns (32, 32, neon);
     45 
     46 decl_itx_fn(BF(dav1d_inv_txfm_add_dct_dct_16x64, neon));
     47 decl_itx_fn(BF(dav1d_inv_txfm_add_dct_dct_32x64, neon));
     48 decl_itx_fn(BF(dav1d_inv_txfm_add_dct_dct_64x16, neon));
     49 decl_itx_fn(BF(dav1d_inv_txfm_add_dct_dct_64x32, neon));
     50 decl_itx_fn(BF(dav1d_inv_txfm_add_dct_dct_64x64, neon));
     51 
     52 static ALWAYS_INLINE void itx_dsp_init_arm(Dav1dInvTxfmDSPContext *const c, int bpc,
     53                                           int *const all_simd)
     54 {
     55    const unsigned flags = dav1d_get_cpu_flags();
     56 
     57    if (!(flags & DAV1D_ARM_CPU_FLAG_NEON)) return;
     58 
     59    assign_itx_fn( , 4, 4, wht_wht,           WHT_WHT,           neon);
     60 
     61    if (BITDEPTH == 16 && bpc != 10) return;
     62 
     63    assign_itx16_fn( ,  4,  4, neon);
     64    assign_itx16_fn(R,  4,  8, neon);
     65    assign_itx16_fn(R,  4, 16, neon);
     66    assign_itx16_fn(R,  8,  4, neon);
     67    assign_itx16_fn( ,  8,  8, neon);
     68    assign_itx16_fn(R,  8, 16, neon);
     69    assign_itx2_fn (R,  8, 32, neon);
     70    assign_itx16_fn(R, 16,  4, neon);
     71    assign_itx16_fn(R, 16,  8, neon);
     72    assign_itx12_fn( , 16, 16, neon);
     73    assign_itx2_fn (R, 16, 32, neon);
     74    assign_itx1_fn (R, 16, 64, neon);
     75    assign_itx2_fn (R, 32,  8, neon);
     76    assign_itx2_fn (R, 32, 16, neon);
     77    assign_itx2_fn ( , 32, 32, neon);
     78    assign_itx1_fn (R, 32, 64, neon);
     79    assign_itx1_fn (R, 64, 16, neon);
     80    assign_itx1_fn (R, 64, 32, neon);
     81    assign_itx1_fn ( , 64, 64, neon);
     82    *all_simd = 1;
     83 }