зеркало из https://github.com/mozilla/gecko-dev.git
123 строки
5.4 KiB
C
123 строки
5.4 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: x86int.h 17578 2010-10-29 04:21:26Z tterribe $
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********************************************************************/
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#if !defined(_x86_x86int_H)
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# define _x86_x86int_H (1)
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# include "../internal.h"
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# if defined(OC_X86_ASM)
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# define oc_state_accel_init oc_state_accel_init_x86
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# if defined(OC_X86_64_ASM)
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/*x86-64 guarantees SIMD support up through at least SSE2.
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If the best routine we have available only needs SSE2 (which at the moment
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covers all of them), then we can avoid runtime detection and the indirect
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call.*/
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# define oc_frag_copy(_state,_dst,_src,_ystride) \
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oc_frag_copy_mmx(_dst,_src,_ystride)
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# define oc_frag_copy_list(_state,_dst_frame,_src_frame,_ystride, \
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_fragis,_nfragis,_frag_buf_offs) \
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oc_frag_copy_list_mmx(_dst_frame,_src_frame,_ystride, \
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_fragis,_nfragis,_frag_buf_offs)
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# define oc_frag_recon_intra(_state,_dst,_ystride,_residue) \
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oc_frag_recon_intra_mmx(_dst,_ystride,_residue)
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# define oc_frag_recon_inter(_state,_dst,_src,_ystride,_residue) \
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oc_frag_recon_inter_mmx(_dst,_src,_ystride,_residue)
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# define oc_frag_recon_inter2(_state,_dst,_src1,_src2,_ystride,_residue) \
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oc_frag_recon_inter2_mmx(_dst,_src1,_src2,_ystride,_residue)
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# define oc_idct8x8(_state,_y,_x,_last_zzi) \
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oc_idct8x8_sse2(_y,_x,_last_zzi)
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# define oc_state_frag_recon oc_state_frag_recon_mmx
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# define oc_loop_filter_init(_state,_bv,_flimit) \
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oc_loop_filter_init_mmxext(_bv,_flimit)
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# define oc_state_loop_filter_frag_rows oc_state_loop_filter_frag_rows_mmxext
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# define oc_restore_fpu(_state) \
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oc_restore_fpu_mmx()
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# else
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# define OC_STATE_USE_VTABLE (1)
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# endif
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# endif
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# include "../state.h"
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# include "x86cpu.h"
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/*Converts the expression in the argument to a string.*/
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#define OC_M2STR(_s) #_s
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/*Memory operands do not always include an offset.
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To avoid warnings, we force an offset with %H (which adds 8).*/
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# if __GNUC_PREREQ(4,0)
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# define OC_MEM_OFFS(_offs,_name) \
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OC_M2STR(_offs-8+%H[_name])
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# endif
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/*If your gcc version does't support %H, then you get to suffer the warnings.
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Note that Apple's gas breaks on things like _offs+(%esp): it throws away the
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whole offset, instead of substituting in 0 for the missing operand to +.*/
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# if !defined(OC_MEM_OFFS)
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# define OC_MEM_OFFS(_offs,_name) \
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OC_M2STR(_offs+%[_name])
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# endif
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/*Declare an array operand with an exact size.
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This tells gcc we're going to clobber this memory region, without having to
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clobber all of "memory" and lets us access local buffers directly using the
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stack pointer, without allocating a separate register to point to them.*/
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#define OC_ARRAY_OPERAND(_type,_ptr,_size) \
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(*({ \
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struct{_type array_value__[(_size)];} *array_addr__=(void *)(_ptr); \
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array_addr__; \
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}))
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/*Declare an array operand with an exact size.
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This tells gcc we're going to clobber this memory region, without having to
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clobber all of "memory" and lets us access local buffers directly using the
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stack pointer, without allocating a separate register to point to them.*/
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#define OC_CONST_ARRAY_OPERAND(_type,_ptr,_size) \
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(*({ \
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const struct{_type array_value__[(_size)];} *array_addr__= \
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(const void *)(_ptr); \
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array_addr__; \
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}))
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extern const unsigned short __attribute__((aligned(16))) OC_IDCT_CONSTS[64];
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void oc_state_accel_init_x86(oc_theora_state *_state);
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void oc_frag_copy_mmx(unsigned char *_dst,
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const unsigned char *_src,int _ystride);
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void oc_frag_copy_list_mmx(unsigned char *_dst_frame,
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const unsigned char *_src_frame,int _ystride,
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const ptrdiff_t *_fragis,ptrdiff_t _nfragis,const ptrdiff_t *_frag_buf_offs);
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void oc_frag_recon_intra_mmx(unsigned char *_dst,int _ystride,
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const ogg_int16_t *_residue);
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void oc_frag_recon_inter_mmx(unsigned char *_dst,
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const unsigned char *_src,int _ystride,const ogg_int16_t *_residue);
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void oc_frag_recon_inter2_mmx(unsigned char *_dst,const unsigned char *_src1,
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const unsigned char *_src2,int _ystride,const ogg_int16_t *_residue);
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void oc_idct8x8_mmx(ogg_int16_t _y[64],ogg_int16_t _x[64],int _last_zzi);
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void oc_idct8x8_sse2(ogg_int16_t _y[64],ogg_int16_t _x[64],int _last_zzi);
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void oc_state_frag_recon_mmx(const oc_theora_state *_state,ptrdiff_t _fragi,
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int _pli,ogg_int16_t _dct_coeffs[128],int _last_zzi,ogg_uint16_t _dc_quant);
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void oc_loop_filter_init_mmx(signed char _bv[256],int _flimit);
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void oc_loop_filter_init_mmxext(signed char _bv[256],int _flimit);
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void oc_state_loop_filter_frag_rows_mmx(const oc_theora_state *_state,
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signed char _bv[256],int _refi,int _pli,int _fragy0,int _fragy_end);
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void oc_state_loop_filter_frag_rows_mmxext(const oc_theora_state *_state,
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signed char _bv[256],int _refi,int _pli,int _fragy0,int _fragy_end);
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void oc_restore_fpu_mmx(void);
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#endif
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