The Tor Browser: media/libtheora/lib/x86_vc/x86state.c@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /********************************************************************

     2  *                                                                  *

     3  * THIS FILE IS PART OF THE OggTheora SOFTWARE CODEC SOURCE CODE.   *

     4  * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS     *

     5  * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *

     6  * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING.       *

     7  *                                                                  *

     8  * THE Theora SOURCE CODE IS COPYRIGHT (C) 2002-2009                *

     9  * by the Xiph.Org Foundation and contributors http://www.xiph.org/ *

    10  *                                                                  *

    11  ********************************************************************

    13   function:

    14     last mod: $Id: x86state.c 17410 2010-09-21 21:53:48Z tterribe $

    16  ********************************************************************/

    18 #include "x86int.h"

    20 #if defined(OC_X86_ASM)

    22 /*This table has been modified from OC_FZIG_ZAG by baking a 4x4 transpose into

    23    each quadrant of the destination.*/

    24 static const unsigned char OC_FZIG_ZAG_MMX[128]={

    25    0, 8, 1, 2, 9,16,24,17,

    26   10, 3,32,11,18,25, 4,12,

    27    5,26,19,40,33,34,41,48,

    28   27, 6,13,20,28,21,14, 7,

    29   56,49,42,35,43,50,57,36,

    30   15,22,29,30,23,44,37,58,

    31   51,59,38,45,52,31,60,53,

    32   46,39,47,54,61,62,55,63,

    33   64,64,64,64,64,64,64,64,

    34   64,64,64,64,64,64,64,64,

    35   64,64,64,64,64,64,64,64,

    36   64,64,64,64,64,64,64,64,

    37   64,64,64,64,64,64,64,64,

    38   64,64,64,64,64,64,64,64,

    39   64,64,64,64,64,64,64,64,

    40   64,64,64,64,64,64,64,64,

    41 };

    43 void oc_state_accel_init_x86(oc_theora_state *_state){

    44   _state->cpu_flags=oc_cpu_flags_get();

    45   if(_state->cpu_flags&OC_CPU_X86_MMX){

    46     _state->opt_vtable.frag_copy=oc_frag_copy_mmx;

    47     _state->opt_vtable.frag_copy_list=oc_frag_copy_list_mmx;

    48     _state->opt_vtable.frag_recon_intra=oc_frag_recon_intra_mmx;

    49     _state->opt_vtable.frag_recon_inter=oc_frag_recon_inter_mmx;

    50     _state->opt_vtable.frag_recon_inter2=oc_frag_recon_inter2_mmx;

    51     _state->opt_vtable.idct8x8=oc_idct8x8_mmx;

    52     _state->opt_vtable.state_frag_recon=oc_state_frag_recon_mmx;

    53     _state->opt_vtable.loop_filter_init=oc_loop_filter_init_mmx;

    54     _state->opt_vtable.state_loop_filter_frag_rows=

    55      oc_state_loop_filter_frag_rows_mmx;

    56     _state->opt_vtable.restore_fpu=oc_restore_fpu_mmx;

    57     _state->opt_data.dct_fzig_zag=OC_FZIG_ZAG_MMX;

    58   }

    59   else oc_state_accel_init_c(_state);

    60 }

    61 #endif

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