82e8721715
Same rationale as the previous commits.
(cherry picked from commit cfcc8a20e8
)
62 lines
2.4 KiB
C
62 lines
2.4 KiB
C
/********************************************************************
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* *
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* THIS FILE IS PART OF THE OggTheora SOFTWARE CODEC SOURCE CODE. *
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* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
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* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
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* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
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* *
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* THE Theora SOURCE CODE IS COPYRIGHT (C) 2002-2009 *
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* by the Xiph.Org Foundation and contributors http://www.xiph.org/ *
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* *
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********************************************************************
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function:
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last mod: $Id: x86state.c 16503 2009-08-22 18:14:02Z giles $
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********************************************************************/
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#include "x86int.h"
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#if defined(OC_X86_ASM)
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#include "../cpu.c"
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/*This table has been modified from OC_FZIG_ZAG by baking a 4x4 transpose into
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each quadrant of the destination.*/
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static const unsigned char OC_FZIG_ZAG_MMX[128]={
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0, 8, 1, 2, 9,16,24,17,
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10, 3,32,11,18,25, 4,12,
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5,26,19,40,33,34,41,48,
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27, 6,13,20,28,21,14, 7,
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56,49,42,35,43,50,57,36,
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15,22,29,30,23,44,37,58,
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51,59,38,45,52,31,60,53,
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46,39,47,54,61,62,55,63,
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64,64,64,64,64,64,64,64,
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64,64,64,64,64,64,64,64,
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64,64,64,64,64,64,64,64,
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64,64,64,64,64,64,64,64,
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64,64,64,64,64,64,64,64,
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64,64,64,64,64,64,64,64,
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64,64,64,64,64,64,64,64,
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64,64,64,64,64,64,64,64,
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};
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void oc_state_vtable_init_x86(oc_theora_state *_state){
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_state->cpu_flags=oc_cpu_flags_get();
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if(_state->cpu_flags&OC_CPU_X86_MMX){
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_state->opt_vtable.frag_copy=oc_frag_copy_mmx;
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_state->opt_vtable.frag_recon_intra=oc_frag_recon_intra_mmx;
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_state->opt_vtable.frag_recon_inter=oc_frag_recon_inter_mmx;
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_state->opt_vtable.frag_recon_inter2=oc_frag_recon_inter2_mmx;
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_state->opt_vtable.idct8x8=oc_idct8x8_mmx;
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_state->opt_vtable.state_frag_recon=oc_state_frag_recon_mmx;
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_state->opt_vtable.state_frag_copy_list=oc_state_frag_copy_list_mmx;
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_state->opt_vtable.state_loop_filter_frag_rows=
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oc_state_loop_filter_frag_rows_mmx;
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_state->opt_vtable.restore_fpu=oc_restore_fpu_mmx;
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_state->opt_data.dct_fzig_zag=OC_FZIG_ZAG_MMX;
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}
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else oc_state_vtable_init_c(_state);
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}
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#endif
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