gecko/media/libtheora/lib/x86/x86state.c

96 lines
3.4 KiB
C

/********************************************************************
* *
* THIS FILE IS PART OF THE OggTheora SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE Theora SOURCE CODE IS COPYRIGHT (C) 2002-2009 *
* by the Xiph.Org Foundation and contributors http://www.xiph.org/ *
* *
********************************************************************
function:
last mod: $Id: x86state.c 17421 2010-09-22 16:46:18Z giles $
********************************************************************/
#include "x86int.h"
#if defined(OC_X86_ASM)
/*This table has been modified from OC_FZIG_ZAG by baking a 4x4 transpose into
each quadrant of the destination.*/
static const unsigned char OC_FZIG_ZAG_MMX[128]={
0, 8, 1, 2, 9,16,24,17,
10, 3,32,11,18,25, 4,12,
5,26,19,40,33,34,41,48,
27, 6,13,20,28,21,14, 7,
56,49,42,35,43,50,57,36,
15,22,29,30,23,44,37,58,
51,59,38,45,52,31,60,53,
46,39,47,54,61,62,55,63,
64,64,64,64,64,64,64,64,
64,64,64,64,64,64,64,64,
64,64,64,64,64,64,64,64,
64,64,64,64,64,64,64,64,
64,64,64,64,64,64,64,64,
64,64,64,64,64,64,64,64,
64,64,64,64,64,64,64,64,
64,64,64,64,64,64,64,64
};
/*This table has been modified from OC_FZIG_ZAG by baking an 8x8 transpose into
the destination.*/
static const unsigned char OC_FZIG_ZAG_SSE2[128]={
0, 8, 1, 2, 9,16,24,17,
10, 3, 4,11,18,25,32,40,
33,26,19,12, 5, 6,13,20,
27,34,41,48,56,49,42,35,
28,21,14, 7,15,22,29,36,
43,50,57,58,51,44,37,30,
23,31,38,45,52,59,60,53,
46,39,47,54,61,62,55,63,
64,64,64,64,64,64,64,64,
64,64,64,64,64,64,64,64,
64,64,64,64,64,64,64,64,
64,64,64,64,64,64,64,64,
64,64,64,64,64,64,64,64,
64,64,64,64,64,64,64,64,
64,64,64,64,64,64,64,64,
64,64,64,64,64,64,64,64
};
void oc_state_accel_init_x86(oc_theora_state *_state){
oc_state_accel_init_c(_state);
_state->cpu_flags=oc_cpu_flags_get();
# if defined(OC_STATE_USE_VTABLE)
if(_state->cpu_flags&OC_CPU_X86_MMX){
_state->opt_vtable.frag_copy=oc_frag_copy_mmx;
_state->opt_vtable.frag_copy_list=oc_frag_copy_list_mmx;
_state->opt_vtable.frag_recon_intra=oc_frag_recon_intra_mmx;
_state->opt_vtable.frag_recon_inter=oc_frag_recon_inter_mmx;
_state->opt_vtable.frag_recon_inter2=oc_frag_recon_inter2_mmx;
_state->opt_vtable.idct8x8=oc_idct8x8_mmx;
_state->opt_vtable.state_frag_recon=oc_state_frag_recon_mmx;
_state->opt_vtable.loop_filter_init=oc_loop_filter_init_mmx;
_state->opt_vtable.state_loop_filter_frag_rows=
oc_state_loop_filter_frag_rows_mmx;
_state->opt_vtable.restore_fpu=oc_restore_fpu_mmx;
_state->opt_data.dct_fzig_zag=OC_FZIG_ZAG_MMX;
}
if(_state->cpu_flags&OC_CPU_X86_MMXEXT){
_state->opt_vtable.loop_filter_init=oc_loop_filter_init_mmxext;
_state->opt_vtable.state_loop_filter_frag_rows=
oc_state_loop_filter_frag_rows_mmxext;
}
if(_state->cpu_flags&OC_CPU_X86_SSE2){
_state->opt_vtable.idct8x8=oc_idct8x8_sse2;
# endif
_state->opt_data.dct_fzig_zag=OC_FZIG_ZAG_SSE2;
# if defined(OC_STATE_USE_VTABLE)
}
# endif
}
#endif